Abstrict
The present invention provides a halogen lamp coupling structure
for an electric heater allowing a fitting plate 2 of a halogen lamp
1 to be fitted into and coupled with a lamp fixing recess 150 of
a base 6 serving as an insulation block. The halogen lamp coupling
structure comprises a strap coupling type of elastic fixing member
100 having a fixing strap 120 fixed to the halogen lamp 1 to surround
the halogen lamp 1 and an auxiliary fixing strap 130 supported by
an inner wall of the lamp fixing recess 150 of the base 6. The fixing
strap 120 and the auxiliary fixing strap 130 are connected with
each other in a vertical direction by a bent piece 140. The base
6 serving as the insulation block is formed with the lamp fixing
recess 150 which takes the shape of an elliptical recess and accommodates
the elastic fixing member 100 therein and of which the bottom is
provided with a fitting contact member 160 for causing a lamp terminal
3 of the halogen lamp 1 to be fitted into an elongated hole 162.
The fitting contact member 160 may include a cover plate 161 which
defines a bottom surface of the elliptical fixing recess 150 and
has the elongated hole 162 formed at a position corresponding to
the lamp terminal 3 for guiding the fitting coupling of the lamp
terminal therein, and a connection terminal 166 which is installed
in a bottom groove 163 below the cover plate 161, is in contact
with the lamp terminal 3 fitted through the elongated hole 162 by
means of elastic force of a spring 164 and is connected to an electric
wire 165.
Claims
What is claimed is:
1. A halogen lamp coupling structure for an electric heater for
allowing a fitting plate (2) of a halogen lamp (1) to be fitted
into and coupled with a lamp fixing recess (150) of a base (6) serving
as an insulation block, comprising: a strap coupling type of elastic
fixing member (100) having a fixing strap (120) fixed to the halogen
lamp (1) to surround the halogen lamp (1) and an auxiliary fixing
strap (130) supported by an inner wall of the lamp fixing recess
(150) of the base (6), said fixing strap (120) and said auxiliary
fixing strap (130) being connected with each other in a vertical
direction by a bent piece (140), wherein the base (6) serving as
the insulation block is formed with the lamp fixing recess (150)
which takes the shape of an elliptical recess and accommodates the
elastic fixing member (100) therein and of which the bottom is provided
with a fitting contact member (160) for causing a lamp terminal
(3) of the halogen lamp (1) to be fitted into an elongated hole
(162).
2. The halogen lamp coupling structure as claimed in claim 1, wherein
the fitting contact member (160) includes a cover plate (161) which
defines a bottom surface of the elliptical fixing recess (150) and
has the elongated hole (162) formed at a position corresponding
to the lamp terminal (3) for guiding the fitting coupling of the
lamp terminal therein, and a connection terminal (166) which is
installed in a bottom groove (163) below the cover plate (161),
is in contact with the lamp terminal (3) fitted through the elongated
hole (162) by means of elastic force of a spring (164) and is connected
to an electric wire (165).
3. A halogen lamp coupling structure for an electric heater for
allowing a fitting plate (2) of a halogen lamp (1) to be fitted
into and coupled with a lamp fixing recess (150) of a base (6) serving
as an insulation block, comprising: an elastic fixing member (200)
including a receiving bore (210) having a depth capable of accommodating
the fitting plate (2) and a portion of a body (1-2) of the halogen
lamp (1), and an insertion hole (220) formed in a bottom surface
of the elastic fixing member so that a lamp terminal (3) of the
halogen lamp can penetrate through the insertion hole; wherein the
base (6) serving as the insulation block is formed with the lamp
fixing recess (150) which takes the shape of an elliptical recess
and accommodates the elastic fixing member (200) therein and of
which the bottom is provided with a fitting contact member (160)
for causing the lamp terminal (3) of the halogen lamp (1) to be
fitted into an elongated hole (162).
Description BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a halogen lamp coupling
structure for an electric heater in which a lamp terminal of a halogen
lamp is directly fitted into and coupled with a base. More particularly,
the present invention relates to a halogen lamp coupling structure
for an electric heater, wherein an elastic fixing member of which
an upper strap fixes the halogen lamp and a lower strap is fitted
into and secured in a fixing recess of a base is connected with
the halogen lamp so that the halogen lamp with the elastic fixing
member connected therewith is fitted into and coupled with the fixing
recess of the base.
[0003] 2. Description of the Prior Art
[0004] Generally, there have been provided various kinds of heating
appliances. Among them, electric heating appliances convert electric
energy into thermal energy by means of resistors and perform heating
by using heat generated as such. As for methods of radiating the
heat, there have been provided a method of reflecting heat, which
is generated from a heating element, by a reflector so that the
heat is diffusively radiated forward, and a method of radiating
the heat forward by using a blower.
[0005] One of the electric heating appliances using the blower
can be constructed, by way of example, as shown in FIGS. 1 to 3.
FIG. 1 is a sectional view showing a heat generating device for
a conventional heater, FIG. 2 is an exploded perspective view showing
a major portion of the heat generating device for the conventional
heater, and FIG. 3 is an enlarged sectional view showing an essential
portion of the heat generating device for the conventional heater.
Referring to these figures, a cover plate body 1-1 is constructed
by a generally hemispherical plate and provided with a ventilation
hole 1-1a at the center thereof. An entire surface of the cover
plate body 1-1 is formed with heat dissipating apertures 1-1b for
dissipating heat generated inside of the cover plate body 1-1.
[0006] A safety cover 1-2 is coupled with a front peripheral portion
of the cover plate body 1-1 for preventing inflammables or an adjacent
human body from coming into contact with halogen heating lamps 1-8
to be described later.
[0007] A reflecting mirror 1-3 is installed in front of an inner
surface of the cover plate body 1-1 for forward reflecting light
and heat which are emitted from the halogen heating lamps 1-8.
[0008] The reflecting mirror 1-3 is composed of a hemispherical
plate by depositing aluminum having superior reflectability onto
an inner surface of the hemispherical plate. The reflecting mirror
1-3 is formed with ventilation holes 1-3a at a central portion thereof.
Further, an inclined surface 1-3b is formed at an outer periphery
adjacent to the ventilation holes 1-3a. The reflecting mirror 1-3
is disposed in front of and fixed to the cover plate body 1-1 with
a predetermined gap therebetween by using fasteners 1-3c.
[0009] A rear cap 1-4 having a plurality of heat dissipating apertures
1-4a is connected with a rear central portion of the cover plate
body 1-1.
[0010] A blower fan 1-5 driven by a driving motor 1-5a is installed
in the rear cap 1-4 so that it cause air to blow toward the ventilation
hole 1-1a of the cover plate body 1-1.
[0011] An air guide plate 1-6 is disposed in front of the ventilation
holes 1-3a of the reflecting mirror 1-3 for forward guiding the
air, which has passed through the ventilation holes 1-1a, 1-3a of
the cover plate body 1-1 and the reflecting mirror 1-3, along an
inner surface of the reflecting mirror 1-3.
[0012] The air guide plate 1-6 is in the form of a disk with a
protruding plate portion 1-6a formed at the rear thereof and with
a forward-flared guide wing portion 1-6b at a front outer periphery
thereof. The protruding plate portion 1-6a is fixed to a central
inner surface of the reflecting mirror 1-3 by spot welding.
[0013] With the structure of the air guide plate 1-6 constructed
as such, an air passage AT is formed between the air guide plate
1-6 and the ventilation holes 1-3a of the reflecting mirror 1-3.
The air blown by the blower fan 1-5 is guided forward through the
air passage AT and along the inner surface of the reflecting mirror
1-3.
[0014] An insulation block 1-7 is fixed to a front surface of the
air guide plate 1-6 by a fastener 1-7a.
[0015] The insulation block 1-7 is provided with two pairs of connection
terminals 1-7b therein so that connection pins of the halogen heating
lamps which will be introduced from the front of the terminals can
be connected with the respective terminals. A front face of the
insulation block 1-7 is formed with a pair of lamp coupling grooves
1-7c. Further, electric wires are connected with the connection
terminals 1-7b for supplying electricity thereto.
[0016] The pair of halogen heating lamps 1-8 are coupled with the
insulation block 1-7.
[0017] Each of the halogen heating lamps 1-8 comprises a heating
lamp body 1-81 for generating heat, and a holding block 1-82 for
holding trailing ends of the heating lamp body 1-81. At this time,
the heating lamp body 1-81 is constructed such that a heating body
1-81b made of tungsten is installed in a U-shaped quartz tube member
1-81a filled with halogen and the heating body 1-81b is connected
with the connection pins 1-81c which are exposed from trailing ends
of the tube member 1-81a. The holding block 1-82 is molded with
ceramic to enclose and connect the both trailing ends of the tube
member 1-81a.
[0018] The holding of the trailing ends of the tube member 1-81a
by means of the holding block 1-82 prevents the quartz tube member
1-81a from being broken by external force upon handling of the halogen
heating lamp 1-8.
[0019] The holding block 1-82 of the halogen heating lamp 1-8 is
fitted into and coupled with the relevant lamp coupling groove 1-7c
of the insulation block 1-7, and the connection pin 1-81c is inserted
into and coupled with the relevant connection terminal 17b.
[0020] The reason why the halogen heating lamp 1-8 detachably coupled
with the insulation block 1-7 is employed in the prior art for generating
the heat is that the halogen heating lamp 1-8 which has been completely
used up can be easily replaced and superior heating effects can
be obtained.
[0021] A hollow tubular stay 1-9 is disposed at a front central
portion of the insulation block between the holding blocks 1-82
of the halogen heating lamps 1-8. A reflector 1-10 for reflecting
the heat and light generated from the halogen heating lamps 1-8
onto the inner surface of the reflecting mirror 1-3 is firmly attached
to a leading end of the stay 1-9. The stay 1-9 and the reflector
1 -10 are coupled with each other by using a fastening bolt 1-11
axially passing through the interior of the stay 1-9 and a nut 1-11a
screwed over a leading end of the fastening bolt 1-11 which has
passed through the holding block 1-82 and a cover plate 1-7d of
the insulation block 1-7.
[0022] In this case, the heating lamp body 1-81 is fitted into
and bonded with the holding block 1-82 by using an adhesive or the
like. Then, the holding block is coupled and assembled with the
lamp coupling groove 1-7c of the insulation block 1-7. Therefore,
there is convenience of assembly thereof. However, since the both
ends of the heating lamp body 1-81 are bonded with the holding block
1-82, there is a problem in that the both ends of the heating lamp
body 1-81 may be easily broken when being subjected to impact.
[0023] Meanwhile, a specific example of a conventional electric
heater using reflected heat by means of a reflector is shown in
FIGS. 4 to 6. FIG. 4 is an exploded perspective view showing a coupling
structure of a conventional halogen heater tube, FIG. 5 is a sectional
view taken along line C-C of FIG. 4 in a state where all components
of FIG. 4 are coupled with one another, and FIG. 6 is a sectional
view taken along line D-D of FIG. 4 in the coupled state. In a halogen
lamp fixing device for the conventional electric heater, a fitting
plate 2 of a halogen lamp 1 is fitted into and fixed in a lamp fixing
recess 50 of a base 6. The halogen lamp fixing device comprises
an elastic fixing member 10 having fixing straps 20, 30 for fixing
the halogen lamp 1. The lamp fixing recess 50 has a size capable
of simultaneously accommodating the fitting plate 2 of the halogen
lamp 1 and the elastic fixing member 10 therein and is formed at
a fixing position of the halogen lamp in the base 6. A bottom surface
of the fixing recess 50 is formed with fixing lever slits 51. Reference
numeral 1-1 designates an insulation fabric for performing an insulation
function when the halogen lamp 1 is coupled with the elastic fixing
member 10; 3 is a lamp terminal; 21 is a fitting boss inserted into
a fitting hole 22; 40 is a bent piece for connecting the fixing
strap 20 and the auxiliary fixing strap 30; 31 are fixing levers;
32 are fixing pieces; and 5-2 is a hole for an electric wire.
[0024] According to the above constitution, as shown in FIG. 4,
the base 6 is formed with the fixing recess 50 having a diameter
corresponding to that of the coupled halogen lamp 1 and the elastic
fixing member 10, and the halogen lamp 1 is coupled with the elastic
fixing member around the insulation fabric 1-1 of the halogen lamp
1 by inserting the fitting boss 21 of the fixing strap 20 into the
fitting hole 22 thereof. The fixing levers 31 of the elastic fixing
member coupled with the halogen lamp are fitted into the fixing
lever slits 51 formed in the bottom surface of the fixing recess
50 and then fixed to the base 6 by bending the fixing pieces 32
exposed beyond the bottom surface of the base 6, as shown in FIG.
6. Of course, a separate electric wire (not shown) is connected
to the lamp terminal 3.
[0025] However, since the halogen lamp 1 is coupled with the elastic
fixing member 10, the fixing levers 31 of the elastic fixing member
10 are fitted into the fixing lever slits 51 and fixed to the base,
and the lamp terminal 3 simultaneously penetrates through the base
6 and is additionally connected to the separate connection electric
wire (not shown), there are problems in that workability is lowered
and considerable time and skill are required for repair of the halogen
lamp 1 upon breakage thereof, thereby increasing repair costs.
SUMMARY OF THE INVENTION
[0026] The present invention is conceived to solve the problem.
An object of the present invention is to provide a halogen lamp
coupling structure by which the life of a halogen lamp can be prolonged
and the maintenance of the halogen lamp can be facilitated.
[0027] To this end, the present invention is directed to a halogen
lamp coupling structure in which a lamp terminal of a halogen lamp
is directly fitted into and coupled with a base. More particularly,
the present invention is directed to a halogen lamp coupling structure,
wherein an elastic fixing member of which an upper strap fixes the
halogen lamp and a lower strap is fitted into and secured in a fixing
recess of a base is connected with the halogen lamp so that the
halogen lamp with the elastic fixing member connected therewith
is fitted into and coupled with the fixing recess of the base.
[0028] That is, according to one aspect of the present invention,
there is provided a halogen lamp coupling structure for an electric
heater for allowing a fitting plate of a halogen lamp to be fitted
into and coupled with a lamp fixing recess of a base serving as
an insulation block. The halogen lamp coupling structure comprises
a strap coupling type of elastic fixing member having a fixing strap
fixed to the halogen lamp to surround the halogen lamp and an auxiliary
fixing strap supported by an inner wall of the lamp fixing recess
of the base. The fixing strap and the auxiliary fixing strap are
connected with each other in a vertical direction by a bent piece.
The base serving as the insulation block is formed with the lamp
fixing recess which takes the shape of an elliptical recess and
accommodates the elastic fixing member therein and of which the
bottom is provided with a fitting contact member for causing a lamp
terminal of the halogen lamp to be fitted into an elongated hole.
[0029] The fitting contact member may include a cover plate which
defines a bottom surface of the elliptical fixing recess and has
the elongated hole corresponding to the lamp terminal, and a connection
terminal which is installed in a bottom groove below the cover plate,
is in contact with the lamp terminal fitted through the elongated
hole by means of elastic force of a spring and is connected to an
electric wire.
[0030] According to another aspect of the present invention, there
is provided a halogen lamp coupling structure for an electric heater
for allowing a fitting plate of a halogen lamp to be fitted into
and coupled with a lamp fixing recess of a base serving as an insulation
block. The halogen lamp coupling structure comprises an elastic
fixing member including a receiving bore having a depth capable
of accommodating the fitting plate and a portion of a body of the
halogen lamp, and an insertion hole formed in a bottom surface of
the elastic fixing member so that a lamp terminal of the halogen
lamp can penetrate through the insertion hole. The base serving
as the insulation block is formed with the lamp fixing recess which
takes the shape of an elliptical recess and accommodates the above
elastic fixing member therein and of which the bottom is provided
with a fitting contact member for causing the lamp terminal of the
halogen lamp to be fitted into an elongated hole.
BRIEF DESCRIPTION OF THE DRAWINGS
[0031] The above and other objects and features of the present
invention will become apparent from the following description of
preferred embodiments given in conjunction with the accompanying
drawings, in which:
[0032] FIG. 1 is a sectional view of a conventional air heater;
[0033] FIG. 2 is an exploded perspective view of a major portion
of FIG. 1;
[0034] FIG.3 is an enlarged sectional view of an essential portion
of FIG. 1;
[0035] FIG. 4 is an exploded perspective view of a coupling structure
for a conventional halogen heater tube;
[0036] FIG. 5 is an enlarged sectional view taken along line C-C
of FIG. 4;
[0037] FIG. 6 is an enlarged sectional view taken along line D-D
of FIG. 4;
[0038] FIG. 7 is an exploded perspective view of a halogen lamp
coupling structure according to one example of the present invention;
[0039] FIG. 8 is an enlarged sectional view taken along line E-E
of FIG. 7;
[0040] FIG. 9 is an enlarged sectional view taken along line F-F
of FIG. 7; and
[0041] FIG. 10 is an exploded perspective view of a halogen lamp
coupling structure according to another example of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0042] Hereinafter, preferred embodiments of the present invention
will be described in detail with reference to the accompanying drawings.
[0043] FIG. 7 is an exploded perspective view of a halogen lamp
coupling structure according to one example of the present invention,
FIG. 8 is an enlarged sectional view taken along line E-E of FIG.
7, and FIG. 9 is an enlarged sectional view taken along line F-F
of FIG. 7. In the figures, like reference numerals are used for
elements similar to those of the conventional halogen lamp coupling
structure.
[0044] The halogen lamp coupling structure for an electric heater
allows a fitting plate 2 of a halogen lamp 1 to be fitted into and
coupled with a lamp fixing recess 150 of a base 6 serving as an
insulation block.
[0045] The halogen lamp coupling structure comprises a strap coupling
type of elastic fixing member 100 having a fixing strap 120 fixed
to the halogen lamp 1 to surround the halogen lamp 1 and an auxiliary
fixing strap 130 supported by an inner wall of the lamp fixing recess
150 of the base 6. The fixing strap 120 and the auxiliary fixing
strap 130 are connected with each other in a vertical direction
by a bent piece 140.
[0046] The base 6 serving as the insulation block is formed with
the lamp fixing recess 150 which takes the shape of an elliptical
recess and accommodates the elastic fixing member 100 therein and
of which the bottom is provided with a fitting contact member 160
for causing a lamp terminal 3 of the halogen lamp 1 to be fitted
into an elongated hole 162.
[0047] The fitting contact member 160 includes a cover plate 161
which defines a bottom surface of the elliptical fixing recess 150
and has the elongated hole 162 formed at a position corresponding
to the lamp terminal 3 for guiding the fitting coupling of the lamp
terminal therein, and a connection terminal 166 which is installed
in a bottom groove 163 below the cover plate 161, is in contact
with the lamp terminal 3 fitted through the elongated hole 162 by
means of elastic force of a spring 164 and is connected to an electric
wire 165.
[0048] FIG. 10 shows a halogen lamp coupling structure according
to another example of the present invention, similar to FIG. 7.
The halogen lamp coupling structure for an electric heater also
allows a fitting plate 2 of a halogen lamp 1 to be fitted into and
coupled with a lamp fixing recess 150 of a base 6 serving as an
insulation block.
[0049] The halogen lamp coupling structure comprises an elastic
fixing member 200 including a receiving bore 210 having a depth
capable of accommodating the fitting plate 2 and a portion of a
body 1-2 of the halogen lamp 1, and an insertion hole 220 formed
in a bottom surface of the elastic fixing member so that a lamp
terminal 3 of the halogen lamp can penetrate through the insertion
hole.
[0050] The base 6 serving as the insulation block is formed with
the lamp fixing recess 150 which takes the shape of an elliptical
recess and accommodates the elastic fixing member 200 therein and
of which the bottom is provided with a fitting contact member 160
for causing the lamp terminal 3 of the halogen lamp 1 to be fitted
into an elongated hole 162. Reference numeral 161 designates the
cover plate for covering the fitting contact member 160. Since the
constitution of the fitting contact member 160 is identical to that
shown in FIGS. 7 and 9, the description thereof will be omitted.
[0051] According to the present invention constructed as such,
since the lamp terminals 3 formed at the both ends of the U-shaped
halogen lamp 1 are simply fitted into and coupled with the fixing
recess 150 of the base 6, there are advantages in that their assembly
can be easily made and impact resistance of the lamp can be enhanced.
To this end, the fitting plate 2 of the halogen lamp 1 and a portion
of the body 1-2 of the lamp adjacent the fitting plate are surrounded
by and coupled with the fixing strap 120 upon assembly thereof.
In this state, the auxiliary fixing strap 130 shown in FIG. 7 is
seated in the fixing recess 150 and the lamp terminal 3 is simultaneously
fitted into and penetrates through the elongated hole 162 of the
cover plate 161 disposed at the bottom of the fixing recess.
[0052] That is, easy coupling also means easy disassembly. Therefore,
if the lamp 1 is broken in the future, the lamp assembly of the
lamp and the elastic fixing member 100 coupled therewith can be
wholly replaced with a new one. Accordingly, it is not necessary
to separately disassemble the entire lamp assembly for the replacement
thereof.
[0053] Further, since the fixing recess 150 is formed as an elliptical
recess, the lamp terminal 3 can be conveniently fitted into the
elongated hole 162. That is, the lamp terminal is simply required
to be fitted into the elongated hole 162, so that their assemblability
can be improved.
[0054] The elastic fixing member 100 of the halogen lamp coupling
structure according to the present invention does not perform only
the fixation of the lamp. As shown in FIGS. 8 and 9, the fixing
strap 120 fixes the lamp 1 and the auxiliary fixing strap 130 is
secured in the fixing recess 150. Since both the straps 120, 130
are connected to each other by the bent piece 140, elastic movement
therebetween can be made owing to the bent piece 140. Thus, the
fixing strap 120 and the lamp 1 can move in response to external
impact or vibration. Consequently, the impact resistance thereof
can be enhanced. That is, according to the present invention, the
fitting coupling can be facilitated and the impact resistance can
be improved. In this case, if the auxiliary fixing strap 130 is
constructed to have a height equal to the depth of the fixing recess
150, the elastic fixing member 100 functions to press down the cover
plate 161. Therefore, it is not necessary to employ an additional
means for attaching the cover plate 161 to the base 6, e.g. riveting.
As a result, the number of manufacturing processes and production
costs can be reduced.
[0055] Furthermore, the halogen lamp coupling structure of the
present invention can be constructed as shown in FIG. 10. In such
a case, the fitting plate 2 and a portion of the body 1-2 of the
halogen lamp 1 are fitted into the receiving bore 210 of the elastic
fixing member 200 and the lamp terminal 3 is fitted into the insertion
hole 220 formed in the bottom surface 221 of the elastic fixing
member 200. If necessary, a heat resistant adhesive (not shown)
may be applied thereto so as to maintain the coupling therebetween.
Then, the elastic fixing member 200 and the halogen lamp 1 are fitted
into the elliptical fixing recess 150 at a time. At this time, the
lamp terminal 3 of the halogen lamp 1 is fitted into and penetrates
through the elongated hole 162 of the cover plate 161. Since the
halogen lamp 1 is primarily assembled in a state where even the
portion of the body 1-2 of the halogen lamp 1 is fitted into and
coupled with the elastic fixing member 200, an interface pp between
the fitting plate 2 and the body 1-2 is not exposed to the outside.
Thus, even when subjected to impact, the interface pp is prevented
from being broken. Furthermore, as shown in FIGS. 8 and 9, since
the elastic fixing member 200 having the circular bottom surface
221 is used, some degree of play thereof can be allowed in the elliptical
fixing recess 150, thereby having high flexibility and impact resistance.
Of course, to this end, a minor diameter of the ellipse should be
larger than the diameter of the elastic fixing member 200.
[0056] The elastic fixing member 200 is primarily coupled with
each of both the ends of the halogen lamp 1 and then simply fitted
into the fixing recess 150. Thus, the assemblability of the lamp
and the base can be greatly enhanced. Upon replacement of the halogen
lamp 1, only the broken halogen lamp 1 (elastic fixing member 200)
is disassembled from the fixing recess 150 and then a new halogen
lamp 1 (elastic fixing lamp 200) is fitted and assembled into the
fixing recess 150. At this time, the lamp terminal 3 penetrates
through the elongated hole 162 of the cover plate 161 and comes
into contact with the fitting contact member 160 so that the lamp
terminal 3 is supplied with electric power. Thus, since even an
ordinary person as well as the skilled can perform the replacement
or maintenance of the halogen lamp, after-sale service costs can
be reduced.
[0057] According to the present invention, since the strap coupling
type of elastic fixing member of which the upper strap fixes the
halogen lamp and the lower auxiliary strap is fitted into and secured
in the fixing recess is utilized, the halogen lamp and the elastic
fixing member can be coupled with the fixing recess of the base
at a time with only the fitting operation. Accordingly, upon even
replacement of the lamp, everyone can easily perform the replacement
of the lamp.
[0058] Alternatively, when the tubular elastic fixing member with
the closed bottom is utilized, the receiving bore of the tubular
elastic fixing member is constructed to be deep so that the fitting
plate and the portion of the body of the lamp can be fitted into
the receiving bore. Thus, the breakage of the lamp resulting from
damage to the interface between the fitting plate and the body of
the lamp can be avoided. Further, since the diameter of the elastic
fixing member is smaller than the minor diameter of the ellipse
of the fixing recess, the high flexibility can be ensured and the
lamp can move laterally with respect to the lamp terminal 3 when
subjected to impact. Thus, the impact resistance can be enhanced.
[0059] Although the present invention has been described with respect
to preferred embodiments shown in the drawings, the present invention
is not limited thereto. It will be apparent to those skilled in
the art that various substitutions, changes and modifications can
be made thereto without departing from the technical spirit and
scope of the invention. |