JP2015182201A - Removal jig for lighting fixture cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a jig that can be safely rotated or operated while avoiding a risk of a breakage, when removing a fixed protection cover of a general moisture/water proof type lighting fixture.SOLUTION: A work portion includes: a substantial work portion in an approximately V-shape; and a handle portion connected to the substantial work portion. The work portion is formed from a main work portion and a sub work portion. The jig includes: the main work portion; the sub work portion; and a size adjustment rod. The main work portion and the sub work portion respectively have cylindrical shapes. The size adjustment rod penetrates inside the main work portion and the sub work portion, having the length a few number of times longer than the total length of the main work portion, provided with knurling teeth one part thereon. The main work portion is provided with a rack part fit to the knurling teeth. The size adjustment rod is made from a flexible material.

Description

The present invention relates to a jig for removing a luminaire cover in which packing is fixed with time and cannot be rotated.

  The lamp protection cover of moisture-proof / waterproof lighting fixtures that are generally used has a rubber packing attached between the functional part of the fixture and the accompanying cover for waterproofing. When the cover is in close contact, it may be difficult to remove.

At that time, there is no method to solve the problem by hitting the cover or by cutting the gap between the cover and the packing with a knife. Many of the covers are made of glass and the functional part There is also a risk of damage to the cover and injury.
In order to solve these problems, there are currently no suitable products for that purpose, and there are can lid opening tools, but these are materials for opening the lids of bottles or cans. (See Patent Documents 1 and 2). However, they are not suitable for removing the luminaire cover.

JP 2013-52902 A JP 2000-281185 A

As described above, the moisture-proof and waterproof-type lighting fixtures installed in the entrance, bathroom, etc. are provided with a rubber packing between the cover and the functional part in order to perform a waterproof or moisture-proof function. The packing may deteriorate due to aging and it may be difficult to remove due to sticking. Even if it is a professional engineer or a general person, the work of removing the cover can be seen in many situations, but conventionally there is no tool or tool that makes it easy to remove, and a knife is inserted between the packing and the cover. Had to do dangerous work such as cutting.
However, in general, lighting fixtures are often installed at high places such as the ceiling. There is a risk of breaking and injuries if you try to remove them too much.

In order to solve the above-described problem, a jig for removing a luminaire cover according to the present invention includes the following means.
As a first means, it is composed of cylindrical main and sub working portions having openings at both ends, and a size adjusting rod for mounting the main and sub working portions on a lighting fixture. A locking portion having a width larger than the width of the opening of the working portion according to the rear end is provided, and the front end of the size adjusting rod penetrates through both openings of the main working portion, and the size adjusting rod A tooth-shaped length adjusting portion is provided, and a retrograde preventing portion adapted to the shape of the length adjusting portion is provided in the opening of the main working portion.
As a second means, the main and subordinate working parts have a substantially (<) shape.
The third means is composed of two jigs described in the first or second means.

  According to the jig for removing the luminaire cover of the present invention, the working portion of the jig, that is, the main working portion and the sub working portion which are parts to which the force is applied, is attached to the luminaire functional portion or the cover, and the size adjusting rod It is possible to remove the luminaire cover by holding the handle portion with one hand and reversing both the luminaire function portion and the cover.

  In addition, the size adjustment rod has a notch-shaped length adjustment part to change the fixing point so that it can be adapted to the size even if the size varies depending on the lighting fixture, and the length applied to the handle opening Backward movement can be prevented by a wedge-shaped stopper which is a backward movement prevention part adapted to the shape of the height adjusting part. Further, as described above, it is necessary to attach and stabilize the two jigs separately, and in that case, it can be made possible by a wedge-shaped stopper. Therefore, it is easy to easily turn the luminaire cover and to remove the luminaire cover by hand as usual.

It is a top view of the removal jig | tool of the lighting fixture cover which concerns on Claim 1 or 2 of this invention. It is a front view (arrow AA figure) of the removal jig | tool of the lighting fixture cover which concerns on Claim 1 or 2 of this invention. It is sectional drawing of the top view of the removal jig | tool of the lighting fixture cover which concerns on Claim 1 or 2 of this invention, and is a figure showing the detail of the substantial working part and handle part of each of a main and subordinate work part, and the rod for size adjustment It is. It is a figure showing the usage method of the removal fixture of the lighting fixture cover which concerns on Claim 1 or 2 of this invention, and is a figure showing the state which mounted | wore the lighting fixture function part with this jig | tool. It is a figure showing the usage method of the removal fixture of the lighting fixture cover which concerns on Claim 1 or 2 of this invention, and is a figure showing the state which mounted | wore the lighting fixture cover with this jig | tool. It is a figure showing the usage method of the removal fixture of the lighting fixture cover which concerns on Claim 3 of this invention, and is a figure showing the state which removes a lighting fixture cover with this jig.

EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing about the removal jig | tool of the lighting fixture cover of this invention is demonstrated in detail with drawing.
The scope of the claims is not limited to the following description.
First, the configuration of the jig will be described with reference to FIGS.
FIG. 1 is a plan view of the jig according to claim 1 or 2 of the present invention, and the jig 1 is composed of a main working portion 2, a sub working portion 3, and a size adjusting rod 4.

The configuration of the main working unit 2, the subordinate working unit 3, and the size adjusting rod 4 will be described with reference to FIG.
The main working unit 2 and the subordinate working unit 3 that are mounted on the lighting fixture will be described. The main working part 2 and the subordinate working part 3 have the same shape, and the substantial working part 2A (3A) and the handle part 2B (3B) are both continuous solids and have a cylindrical shape with a cavity for penetrating the size adjusting rod 4. It is. The main working portion 2 and the subordinate working portion 3 both have a substantially working portion 2A (3A) bent in a substantially square shape in plan view, and both end portions are opened to allow the size adjusting rod 4 to pass therethrough. And has a substantial working part opening J (H) and a handle opening F (G).
As a planar feature, the substantial working part 2A (3A) of both the main working part 2 and the subordinate working part 3 is bent into a substantially square shape in plan view, and both of the substantial working part 2A (3A) are cured in a rubber band. Packing 5 is attached.

FIG. 2 is a front view (arrow AA view) of the jig according to claim 1 or 2 of the present invention. 2A and 3A are substantial working portions of the jig 1, and the inside is a cavity and the size adjusting rod 4 is penetrated. A rubber band-like curing packing 5 is attached to the side surface, that is, the portion that contacts the lighting fixture. Yes.
The cross-sectional shapes of the substantial working portion 2A, the substantial working portion 3A, and the size adjusting rod 4 may be square or circular, but are not limited because they are irrelevant to workability.
In addition, it is preferable to comprise the main work part 2, the sub work part 3, and the size adjustment rod 4 from the material which has a softness | flexibility.

FIG. 3 is a sectional view of a plan view of the jig according to claim 1 or 2 of the present invention, and shows details of a substantial working part and a handle part of each of the main and secondary working parts, and a size adjusting rod. is there.
The size adjusting rod 4 is provided with a dent-shaped length adjusting portion D for preventing the reverse movement, and the front end E of the size adjusting rod penetrates the inside of the main working portion 2 and the opening of the handle portion 2B. Jump out from F.
Both ends of the main working portion 2 and the sub working portion 3 are openings, and a handle opening G, a substantial working portion opening H, a substantial working portion opening J, and a gripping portion opening F are provided. Form. The size adjusting rod 4 can be penetrated, but the handle portion opening F of the handle portion 2B of the main working portion 2 has other openings so that the length adjusting portion D of the size adjusting rod 4 can be caught. Unlike the part, the wedge-shaped stopper F-1 which is a retrograde prevention part adapted to the shape of the length adjustment part D is presented and reinforced.
The shape of the front end E of the rod for size adjustment is not slipped because there is no length adjustment portion D and is gripped by the operator. The size adjusting rod rear end I on the opposite side is different from the size of the general portion of the size adjusting rod 4 and is provided with a size adjusting rod locking portion K having a width larger than the width of the substantial working portion opening H. .
The overall width of the size adjusting rod locking portion K is preferably twice the width of the substantial working portion opening H.
Thereby, the rear end portion I of the size adjusting rod has a structure that is not caught by the substantial working portion opening H.

Next, a method of using the jig will be described with reference to FIGS.
FIG. 4 is a diagram illustrating a state in which the jig according to claim 1 or 2 of the present invention is mounted on a lighting fixture function unit. The luminaire 10 includes a luminaire function unit 10A, a waterproof packing 10B, and a luminaire cover 10C.
First, the operator inserts and feeds the front end E of the size adjusting rod 4 from the handle opening G provided at the end of the handle 3B of the sub work 3 and feeds the substantial work opening H of the sub work 3. The front end portion E of the size adjusting rod 4 that has been pulled out is then inserted through the substantial working portion opening J of the substantial working portion 2A of the main working portion 2 and penetrates through the main working portion 2 so as to pass through the main working portion 2. Grasping the size adjustment rod 4 front end E that protrudes from the handle opening F, and pull it out. At this time, in the jig 1, the sub work part 3, the size adjusting rod 4 and the main work part 2 are connected to draw an arc. Then, the size of the luminaire function unit 10A, which is an object to be attached in advance, is grasped and kept slightly larger than the luminaire function unit 10A. With the other hand, the size adjusting rod 4 front end E is pulled out again with the other hand, and the length adjusting portion D applied to the size adjusting rod 4 is wedged applied to the handle opening F of the main working portion 2 By hooking on the stopper F-1, the size adjusting rod 4 is attached to the luminaire function unit 10A while being tightened without being reversed. Although not shown in the drawing, the luminaire cover 10C is fixed with one hand, and the handle portions 2B and 3B are simultaneously grasped and rotated with the other hand. Thereby, the lighting fixture function unit 10A and the waterproof packing 10B are separated from the lighting fixture cover 10C. Therefore, the luminaire cover 10C can be removed.

FIG. 5 is a view showing a state in which the jig according to claim 1 or 2 of the present invention is mounted on a lighting fixture cover. In the same manner as the method described in paragraph 0014, the jig 1 is attached to the lighting fixture cover 10C.
Although not shown in the drawing, the luminaire cover 10C is fixed with one hand, and the handle portions 2B and 3B are simultaneously grasped and rotated with the other hand. Thereby, the lighting fixture cover 10C and the waterproof packing 10B are separated from the lighting fixture function unit 10A. Therefore, the luminaire cover 10C can be removed.

FIG. 6 is a view showing a state in which the luminaire cover is removed by the jig according to claim 3 of the present invention.
As described in Paragraph 0014, the jig 1 is attached to the luminaire function unit 10A. In addition, as described in paragraph 0015, another jig 1 is attached to the luminaire cover 10C.
Next, the operator grasps the handle portions 2B and 3B of the jig 1 simultaneously with one hand and rotates the functional portion 10A of the lighting fixture 10 and the lighting fixture cover 10C in reverse. When a certain moment is applied, the waterproof packing 10B that is fixed is separated and starts rotating. Therefore, the operator can remove all the jigs 1 and remove the lighting fixture cover 10C by a normal method.
According to this method, it is possible to remove the luminaire cover 10C with a lighter force and faster than in the case of using one jig 1 described in paragraph 0014 or 0015.

DESCRIPTION OF SYMBOLS 1 Luminaire cover removal jig 2 Main working part 2A Substantial working part 2B Handle part 3 Subordinate work part 3A Substantial working part 3B Handle part 4 Size adjustment rod 5 Curing packing D Length adjustment part E Size adjustment rod Front end F Handle opening F-1 Wedge-shaped stopper G Handle opening H Substantial working part opening I Size adjusting rod rear end J Substantial working part opening K Size adjusting rod locking part 10 Lighting fixture 10A Lighting fixture function unit 10B Waterproof packing 10C Lighting fixture cover

Claims (3)

Consists of cylindrical main and subordinate working parts having openings at both ends, and a size adjusting rod for mounting the main and subordinate working parts on the luminaire. A locking part with a width larger than the width of the opening of the working part is provided, the front end of the size adjusting rod penetrates through both openings of the main working part, and the length of the tooth shape is passed through the size adjusting rod. A jig for removing a luminaire cover, characterized in that an adjustment portion is provided and a retrograde prevention portion adapted to the shape of the length adjustment portion is provided in an opening of a main working portion. The jig for removing a luminaire cover according to claim 1, wherein the main and subordinate working parts are substantially square-shaped. A jig for removing a lighting fixture cover, comprising two jigs according to claim 1.

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