JP2004158324A - Fluorescent lamp holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fluorescent lamp holder, which is surely mounted on a mounting body in a prescribed direction when the fluorescent lamp holder is mounted on the mounting body and which does not rotate after mounting. <P>SOLUTION: This is the fluorescent lamp holder 5 mounted on the mounting body 4, in which a mounting hole 10 of a shape other than a circle is bored, and the fluorescent lamp holder 5 is composed of a holding ring 6 and a mounting neck part 8 of the fluorescent lamp. The mounting neck part 8 is composed of at least treble structure of a locking part 11 which is possible to pass through the mounting hole 10 and serves as a coming-off prevention piece when a prescribed rotating direction is given, an engaging part 12 which can pass through and can regulate rotation by engaging with the mounting hole 10, and a rotating part 13 which pass through the mounting hole and can allow a prescribed rotation. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a fluorescent lamp holder for mounting a fluorescent lamp.
[0002]
[Prior art]
Conventionally, when installing a fluorescent lamp in a showcase or the like, a fluorescent lamp holder is used, and an arrow-shaped mounting neck provided on the fluorescent lamp holder is inserted into a mounting hole provided in a mounting body such as a plate. And was attached. However, in the case of a fluorescent lamp holder with such a structure, it is difficult to remove the fluorescent lamp holder during maintenance of the showcase or replacement of the fluorescent lamp holder. It had to be destroyed and the work was difficult.
[0003]
Therefore, there is a fluorescent lamp holder having an oval oblong hole, substantially complementary to the above-mentioned mounting hole, rotating the fluorescent lamp holder by 90 degrees after insertion, and having a locking piece abutting against the edge of the mounting hole. . (See, for example, Patent Documents 1 and 2)
[0004]
[Patent Document 1]
JP-A-9-115326 (page 3, FIG. 2)
[Patent Document 2]
Japanese Utility Model Laid-Open No. 4-110381 (page 2, FIG. 4)
[0005]
[Problems to be solved by the invention]
However, in Documents 1 and 2, although insertion and detachment from one of the mounting holes is possible, the mounting neck easily rotates in the mounting hole after mounting, so that the fluorescent lamp is attached to the holding ring. If you try to attach, the orientation of the grip ring is round, you have to straighten the grip ring in the predetermined direction during the work of attaching the fluorescent lamp, it takes time, and if the attachment neck rotates after installation Also, the fluorescent lamp holder may fall off.
[0006]
The present invention has been made in view of such a problem, and when a fluorescent lamp holder is mounted on a mounting body, the fluorescent lamp is securely mounted in a predetermined direction on the mounting body and does not rotate after being mounted. It is intended to provide a holder.
[0007]
[Means for Solving the Problems]
In order to solve the above object, a fluorescent lamp holder of the present invention is a fluorescent lamp holder attached to a mounting body having a mounting hole formed in a shape other than a circle, wherein the fluorescent lamp holder is a fluorescent lamp holder. A gripping ring and a mounting neck, wherein the mounting neck is capable of passing through the mounting hole and stopping when a predetermined rotation direction is given; It is characterized by having at least a triple structure of an engaging portion capable of restricting rotation by engaging with the rotating portion and a rotating portion capable of passing and allowing a predetermined rotation.
According to this feature, when the fluorescent lamp holder is mounted on the mounting body, the mounting neck portion is inserted from one direction of the mounting hole, and the mounting hole is rotated until the locking portion functions as a retaining member so that the mounting hole and the rotating portion correspond to each other. After that, the engagement portion can be attached by returning the engagement portion to a position corresponding to the attachment hole. Further, when the fluorescent lamp holder once attached is removed from the mounting body, the fluorescent lamp holder can be easily removed from the mounting body by means of the mounting hole and the rotating portion corresponding to each other and by the means reverse to that at the time of the mounting. You can do it. At this time, when the mounting neck is mounted, the engaging portion abuts on the inner peripheral surface of the mounting hole and rotation of the fluorescent lamp holder is stopped. The lamp holder can be prevented from rotating carelessly.
[0008]
The fluorescent lamp holder according to the present invention is provided with biasing means for biasing the locking portion of the mounting neck so as to prevent the locking portion from coming off with respect to the mounting hole. Preferably, it is elastically deformable until it reaches the hole.
With this configuration, the mounting neck is always urged by the urging means in the direction opposite to the insertion direction, and the engagement portion is attached to the mounting hole after the attachment regardless of the insertion direction (gravity direction or the like). Can be stably held on the inner peripheral surface of the.
[0009]
In the fluorescent lamp holder of the present invention, it is preferable that the biasing means is a spring integrally attached to the fluorescent lamp holder.
In this case, since the urging means is integrated with the fluorescent lamp holder, the mounting structure is simplified, and the number of parts can be omitted, so that cost reduction can be expected.
[0010]
In the fluorescent lamp holder of the present invention, it is preferable that the rotating portion of the mounting neck has a substantially conical shape in which the outer diameter decreases as approaching the grip ring.
According to this configuration, by inserting the mounting neck to the base, the space between the mounting neck and the inner peripheral surface of the mounting hole is greatly opened, so that the mounting neck can be easily rotated in the mounting hole.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
The configuration of the mounting structure of the fluorescent lamp holder to the mounting body according to the first embodiment of the present invention will be described with reference to FIGS. First, FIG. 1 is a side sectional view showing an entire image of a showcase to which a fluorescent lamp holder as an embodiment of the present invention is attached. Reference numeral 1 denotes an overall image of the showcase, 2 denotes a product shelf for displaying products, and a fluorescent lamp 3 for illuminating a lower product is provided on the lower surface of the product shelf 2. A fluorescent lamp holder 5 is attached to be gripped by an attachment 4 on the lower surface of the product shelf 2.
[0013]
FIG. 2 is a perspective view of the fluorescent lamp holder 5 and the plate-shaped mounting body 4. Reference numeral 6 denotes a holding ring 6 for holding the fluorescent lamp 3, and this holding ring 6 has a cutout circular shape having an opening 7 in a part thereof. The grip ring 6 is made of a material such as synthetic resin having elasticity. When the fluorescent lamp 3 is pushed in from the opening 7, the grip ring 6 opens right and left, and the opening 7 is expanded to the thickness of the fluorescent lamp 3. The fluorescent lamp 3 can be accommodated in the holding ring 6.
[0014]
An attachment neck 8 is provided on the outer peripheral upper portion of the grip ring 6, and elastic spring plates 9 as urging means project from the grip ring 6 on both left and right sides of the root of the attachment neck 8. The fluorescent lamp holder 5 has a grip ring 6, a mounting neck 8, and a spring plate 9 integrated with each other.
[0015]
Further, reference numeral 10 shown in FIG. 2 denotes a mounting hole formed in the plate-shaped mounting body 4, and this mounting hole 10 is an oblong hole in this embodiment.
[0016]
FIG. 3 is an enlarged view of the mounting neck 8. The mounting neck 8 is composed of three parts, a locking part 11, an engaging part 12, and a rotating part 13. In addition, the engaging portion 12 is provided between the locking portion 11 and the rotating portion 13. The rotating part 13 is a part to be joined to the outer peripheral surface of the holding ring 6, and has a substantially conical shape whose outer shape becomes smaller as approaching the holding ring 6.
[0017]
4A is a cross-sectional view of the engaging portion 11, FIG. 4B is a cross-sectional view of the engaging portion 12, and FIG. 4C is a cross-sectional view of the rotating portion 13. .
[0018]
The cross section of the locking portion 11 at the tip of the mounting neck 8 shown in (a) is substantially complementary to the mounting hole 10 provided in the mounting body 4 and has an oval shape. , But it is shaped so as to be out of alignment with the mounting hole 10 when a predetermined rotation is given to the mounting hole 10.
[0019]
The cross section of the engaging portion 12 shown in (b) has a rectangular shape, and is large enough to pass through the mounting hole 10, and a part of the side surface 12 'of the engaging portion 12 is rotated by 90 degrees. It has a shape that can be engaged with the inner periphery of the mounting hole 10.
[0020]
The cross section of the rotating part 13 shown in (c) is circular, and its outer diameter is large enough to pass through the mounting hole 10, and has a shape capable of freely rotating inside the mounting hole 10. The rotating part 13 has a substantially conical shape, and if the mounting neck 8 is inserted to the root, the gap between the outer peripheral surface of the rotating part 13 and the inner peripheral surface of the mounting hole 10 is greatly increased. 10 is shaped so that the mounting neck 8 can be easily rotated.
[0021]
Hereinafter, the mounting operation of the fluorescent lamp holder mounting structure according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 5 is a perspective view showing a usage example of the present invention. FIG. 6A is a diagram when a fluorescent lamp holder is mounted on a mounting body, and FIG. 6B is a diagram after mounting.
[0022]
First, as shown in FIG. 5, the mounting neck 8 of the fluorescent lamp holder 5 is inserted from one direction into an oblong mounting hole 10 formed in the plate-shaped mounting body 4, and FIG. As shown, when the mounting neck 8 is inserted, the spring plate 9 comes into contact with the mounting body 4 and is deformed by its elasticity, so that the mounting neck 8 can be inserted to the root. In this state, since the rotating part 13 is located in the mounting hole 10, the fluorescent lamp holder 5 can be easily rotated.
[0023]
Next, as shown in FIG. 5, when the fluorescent lamp holder 5 is rotated by about 90 degrees and the hand is released, the spring plate 9 presses the attachment body 4 by its elasticity so as to separate the attachment body 4 from the grip ring 6, and the attachment neck part. 8 is urged in a direction opposite to the insertion direction.
[0024]
Then, as shown in FIG. 6B, the locking portion 11 comes into contact with the mounting hole 10, and the mounting neck 8 is fixed without falling out of the mounting hole 10. The locking portion 11 forms a complementary shape to the oblong mounting hole 10 so that the locking stability with the mounting hole 10 when rotated by 90 degrees can be maximized.
[0025]
Further, at this time, the side surface 12 'of the engaging portion 12 abuts on the inner peripheral surface of the mounting hole 10, and the fluorescent lamp holder 5 is mounted on the mounting body 4 without rotating. That is, since the rotation of the fluorescent lamp holder 5 is stabilized and stopped here, it is possible to effectively prevent the fluorescent lamp holder 5 from being carelessly rotated when the fluorescent lamp 3 is attached to the fluorescent lamp holder 5 or the like. Become.
[0026]
When the fluorescent lamp holder 5 once mounted is removed from the mounting body 4, a force is applied in reverse to the urging force of the spring plate 9, and the mounting hole 10 and the rotating portion 13 are rotated 90 degrees in correspondence with each other. If the mounting neck 8 is detached from the mounting hole 10 in the reverse order of the mounting, the fluorescent lamp holder 5 can be easily removed from the mounting body 4.
[0027]
Hereinafter, the mounting structure of the fluorescent lamp holder according to the second embodiment of the present invention will be described with reference to FIGS. In addition, the same configuration as that of the above-described embodiment will not be described.
[0028]
7A is a cross-sectional view of the locking portion 14, FIG. 7B is a cross-sectional view of the engaging portion 16, and FIG. 7C is a cross-sectional view of the rotating portion 19. .
[0029]
The cross section of the locking portion 14 shown in (a) is substantially complementary to the mounting hole 15 and has a rectangular shape so that it can be inserted into the mounting hole 15 and pass therethrough. When a predetermined rotation is given to the mounting hole 15, the mounting hole 15 is misaligned.
[0030]
The cross section of the engaging portion 16 shown in (b) has a substantially circular shape and is large enough to pass through the mounting hole 15. , An engagement piece 18 that can be engaged by rotation of 90 degrees.
[0031]
The cross section of the rotating part 19 shown in (c) has a circular shape, and its outer diameter is large enough to pass through the mounting hole 15 and has a shape capable of freely rotating inside the mounting hole 15. The rotating portion 19 has a cylindrical shape, and has a shape that facilitates rotation in the mounting hole 15.
[0032]
FIG. 8 is a view when the fluorescent lamp holder 20 is mounted on the mounting body 21. When the fluorescent lamp holder 20 is installed, the fluorescent lamp holder 20 can be urged until the engaging portion 16 is positioned on the inner peripheral surface of the mounting hole 15. The biasing means is not integrated with the fluorescent lamp holder 20, and a spring plate 22 is attached to a plate-like attachment body 21 with screws 23. When the spring plate 22 urges the mounting neck portion 24 from the tip, the engaging portion 16 is engaged with the position of the mounting hole 15.
[0033]
As described above, the embodiments of the present invention have been described with reference to the drawings. However, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention, they are included in the present invention. It is.
[0034]
For example, the mounting hole of the mounting neck may not be a long hole, and at the same time, the locking portion may have a square or equilateral triangle, that is, if the mounting neck is rotated at 45 degrees or 60 degrees after insertion. It suffices if it can be locked in the mounting hole.
[0035]
Further, the mounting hole and the locking portion do not necessarily have to be formed in a complementary shape, and may have any shape as long as a part of the locking portion can be locked in the mounting hole after rotating the mounting neck portion. Good.
[0036]
Furthermore, even if the rotating portion does not have a substantially conical shape or a substantially pyramid shape, but has a cylindrical shape or a cubic shape, if the outer diameter is smaller than the inner diameter of the mounting hole, the same as above. It is possible to obtain various effects.
[0037]
【The invention's effect】
The present invention has the following effects.
[0038]
(A) According to the first aspect of the present invention, when the fluorescent lamp holder is mounted on the mounting body, the mounting neck portion is inserted from one direction of the mounting hole, and the mounting hole and the rotating portion correspond to each other, so that the locking portion is provided. Is rotated until it functions as a stopper, and then the engaging portion is returned to a position corresponding to the mounting hole, thereby enabling attachment. Further, when the fluorescent lamp holder once attached is removed from the mounting body, the fluorescent lamp holder can be easily removed from the mounting body by means of the mounting hole and the rotating portion corresponding to each other and by the means reverse to that at the time of the mounting. You can do it. At this time, when the mounting neck is mounted, the engaging portion abuts on the inner peripheral surface of the mounting hole and rotation of the fluorescent lamp holder is stopped. The lamp holder can be prevented from rotating carelessly.
[0039]
(B) According to the second aspect of the invention, the mounting neck is always urged by the urging means in a direction opposite to the insertion direction, and regardless of the insertion direction (gravity direction or the like), After the attachment, the engagement portion can be stably held on the inner peripheral surface of the attachment hole.
[0040]
(C) According to the third aspect of the invention, since the urging means is integrated with the fluorescent lamp holder, the mounting structure is simplified, and the number of parts can be omitted, so that cost reduction can be expected.
[0041]
(D) According to the invention as set forth in claim 4, since the space between the mounting neck and the inner peripheral surface of the mounting hole is largely opened by inserting the mounting neck to the root, rotation of the mounting neck in the mounting hole is prevented. It will be easier.
[Brief description of the drawings]
FIG. 1 is a side sectional view showing an entire image of a showcase to which a fluorescent lamp holder of the present invention is attached.
FIG. 2 is a perspective view of a fluorescent lamp holder according to the first embodiment of the present invention and a mounting hole provided in a mounting body.
FIG. 3 is an enlarged view of a mounting neck according to the first embodiment of the present invention.
4A is a cross-sectional view of a locking portion, FIG. 4B is a cross-sectional view of an engaging portion, and FIG. 4C is a cross-sectional view of a rotating portion according to the first embodiment of the present invention. .
FIG. 5 is a perspective view showing a usage example according to the first embodiment of the present invention.
FIG. 6A is a view showing a state in which a fluorescent lamp holder is mounted on a mounting body according to the first embodiment of the present invention, and FIG. 6B is a view after mounting.
FIG. 7A is a cross-sectional view of a locking portion, FIG. 7B is a cross-sectional view of an engaging portion, and FIG. 7C is a cross-sectional view of a rotating portion according to the second embodiment of the present invention. .
FIG. 8 is a diagram when a fluorescent lamp holder is attached to the attachment according to the second embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Showcase 2 Merchandise shelf 3 Fluorescent lamp 4 Attachment 5 Fluorescent lamp holder 6 Holding ring 7 Opening 8 Attachment neck 9 Spring plate 10 Attachment hole 11 Engagement part 12 Engagement part 12 'Side 13 Rotation part 14 Engagement part 15 Mounting hole 16 Engagement part 17 Engagement structure 18 Engagement piece 19 Rotating part 20 Fluorescent lamp holder 21 Mounting body 22 Spring plate 23 Screw 24 Mounting neck

Claims (4)

A fluorescent lamp holder attached to a mounting body having a mounting hole with a shape other than a circle, wherein the fluorescent lamp holder includes a gripping ring and a mounting neck of a fluorescent lamp, and the mounting neck is provided in the mounting hole. An engaging portion that can pass through and is prevented from falling off when a predetermined rotation direction is given; an engaging portion that can pass through and engages with the mounting hole to regulate rotation; A fluorescent lamp holder, characterized in that the fluorescent lamp holder is constituted by at least a triple structure with a rotating portion capable of allowing predetermined rotation. An urging means is provided for urging the locking portion of the mounting neck so as to be in a retaining state with respect to the mounting hole, and the urging means is elastically deformable until the rotating portion reaches the mounting hole. The fluorescent lamp holder according to claim 1, wherein: The fluorescent lamp holder according to claim 2, wherein the biasing means is a spring integrally attached to the fluorescent lamp holder. The fluorescent lamp holder according to any one of claims 1 to 3, wherein the rotating portion of the mounting neck portion has a substantially conical shape whose outer diameter decreases as approaching the grip ring.

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