JPH01253106A - Lighting apparatus - Google Patents

Abstract

PURPOSE:To install a globe at one touch by providing a holding device consisting of a pair of rod-like holding members energized by springs to be directed to each other for engaging a circumferential groove in one side of the globe with one of the holding members, and engaging the other side after horizontal motion. CONSTITUTION:A glove 17 is inclined, and a circumferential groove 19 in one side is engaged with one holding member 6 and moved laterally against resiliency of a resilient body 9. Next the other side of the globe 17 is put up, and the circumferential groove 19 in the other side is faced to the other holding member 6 and moved horizontally by resiliency of the holding member 6 for engaging the circumferential groove 19 in the other side with the other holding member 6, so the globe 17 is installed at a proper position of a main body 1 of an apparatus. The holding members 6 are engaged with their top applied to engagement grooves 7 where they are engaged with play, so the globe 17 is applied to the main body 1 of the apparatus, and stable condition is held. The globe can thus be installed at one touch.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting fixture in which a rectangular globe can be easily and reliably attached to a lighting fixture body.

(Prior Art) A lighting device in which a square globe is removably attached to a holder provided on the lighting device body is known, for example, from Utility Model Publication No. 36-13.
As shown in Japanese Patent No. 489, a device has been proposed in which a lid frame attaching/detaching device is attached to the four corners of the instrument body, and the lid frame is detachably attached to the instrument body by the lid frame attaching/detaching device.

In addition, as shown in Japanese Utility Model Application No. 60-64511, a leaf spring is provided on one side of the instrument body, a locking device is provided on the other side, and the locking device is moved to the unlatching side by operation. It has been proposed to attach an attachment/detachment knob, and to lock the eaves of one side of a rectangular glove to a leaf spring, and to lock the eaves of the other side to a locking tool.

(Problems to be Solved by the Invention) However, the device disclosed in Japanese Utility Model Publication No. 36-13489 provides four lid attaching/detaching devices at the four corners of the instrument body, and when attaching the lid, it is necessary to There are disadvantages in that positioning is troublesome and it has to be attached to each of the four locations, making installation troublesome. In addition, since the lid of this product is installed by engaging and supporting the obliquely bent surfaces of the four hook fittings in a dotted manner, the lid may wobble or the lid and the instrument may become loose. There are inconveniences such as a gap being created between the device and the main body, making it unsightly.

Furthermore, in the method disclosed in Japanese Utility Model Application Publication No. 60-64511, parts of the opposite sides of the glove are supported by a locking tool and a leaf spring, so that the glove does not wobble after being attached. This is especially true for gloves made of glass with large dimensional tolerances, and there are disadvantages such as an unsightly gap created between the shoulder of the glove and the main body of the instrument.

Further, in the above-mentioned method, the glove must be attached and removed by operating a knob, which requires holding down the glove while operating the knob, which is troublesome and can be dangerous when working at heights.

Generally speaking, the above-mentioned devices have disadvantages such as the knobs being exposed from the device body and spoiling the appearance.

The present invention has been made in consideration of the above-mentioned circumstances, and it is possible to easily attach the glove to the instrument body using only the glove, and the glove does not wobble after the glove is attached, resulting in stable attachment. and the glove holder is not exposed from the instrument body.
The purpose is to provide lighting equipment that does not cause any damage to the appearance.

[Structure of the Invention] (Means for Solving the Problems) The lighting fixture of the present invention includes a lighting fixture main body, a pair of rod-shaped holders, and the holders are spaced apart and facing each other in the longitudinal direction. A holder provided on the instrument main body, including a support part that supports the holder and an elastic body that urges the holder in directions facing each other, the holder having an engagement groove that is slidably fitted in the direction of the holder. , a rectangular globe having a circumferential groove on the periphery of the opening, the globe having the circumferential groove on one side fitted into one of the holding bodies, moving against the elasticity of the elastic body, and moving the circumferential groove on the other side. The present invention according to claim 2, characterized in that the peripheral groove is held by the holder by facing the other holder and moving toward the other holder and fitting into the other holder. In the lighting device according to claim 1, the holder has a width dimension that allows the holder to loosely fit into the engaging groove of the support part, and the elastic body is formed of a pair of elastic bodies extending between the pair of holders, and the elastic body has an intermediate portion. The present invention as set forth in claim 3 is characterized in that the holder is pulled up to the upper side of the holder so that the holder is always supported in pressure contact with the upper wall of the engagement groove. The holder is characterized in that a concave groove is formed that extends downward and is continuous with the engagement groove of the portion facing the holder, which is always positioned.

(Function) To attach the globe to the lighting equipment main body, the globe is tilted, the circumferential groove on one side is fitted into one of the holders, and the globe is moved laterally against the elasticity of the elastic body.

Next, the glove is lifted up, the circumferential groove on the other side faces the other holder, the glove is moved to the other holder, and the circumferential groove of the other piece is fitted into the other holder. By this operation, the sides of the glove fit into the pair of rod-shaped holders, and the glove is held in the holders by the elastic force of the elastic body.

Therefore, the globe has one circumferential groove on one side of the holder.
(2) All you have to do is to put the other piece in a horizontal position and move it in the biasing direction by the elastic body of one of the holders, and it can be installed with just one touch using gloves, making the installation process easy. Moreover, since the gloves are held in linear contact with each other by the elastic force of the rod-shaped holders at their opposing sides, the gloves are effectively prevented from wobbling up and down and from side to side, ensuring a stable mounting condition. Can be retained.

Also, when removing the gloves, just follow the above procedure in reverse. In other words, by horizontally moving the glove in one direction against the elastic force of the holder, the circumferential groove on one side comes off from one holder, so the circumferential groove on the other side is moved diagonally from the other holder. Just remove it.

Therefore, the glove can be easily removed from the instrument body using only the glove.

Furthermore, the engagement groove of the holder is formed with a width dimension that allows the holder to loosely fit therein, and the elastic body is formed of a pair of elastic bodies installed between a pair of holders, and the intermediate part is pulled up to the upper side of the holder to remove the holder. By constantly holding the glove in pressure contact with the upper wall of the engagement groove, the glove is pulled up toward the instrument body and installed, which prevents the glove from wobbling or creating a gap between it and the instrument body. can be prevented.

In addition, the holder has a concave groove that extends downward continuously from the engagement groove in the part facing the holder, which is always positioned, so that the elastic body can be retained even if it comes off or is cut off. When the biasing force of the body is released, the holder fits into the groove, preventing the glove from coming off the holder and effectively preventing the glove from falling.

(Example) An example of the present invention will be described with reference to the drawings. 1 to 6 show a first embodiment of the present invention. Reference numeral 1 denotes a lighting fixture body, and this fixture body 1 is formed into a substantially square box shape with an opening 2 on the bottom surface, and is provided with a socket 3 and a holder attachment part 4. 5 is a holder; this holder, 5
A support for supporting the holder 6, which has a pair of rod-shaped holders 6, 6, the longitudinal directions of the holders are spaced apart from each other, and have engagement grooves 7 that are slidably fitted in directions facing each other. The device main body 1 includes an elastic body 9 that biases the portion 8 and the holder 6 in directions facing each other. This holder 5
To be more specific, the top plate portion 1 is formed into a substantially regular square shape.
0. A pair of side pieces 11° 11 are vertically provided on the side edges of the top plate portion 10 and are spaced apart from each other, and two pairs of engagement grooves are opened in each side edge of the side pieces 11 and extend laterally. 7. A pair of holders 6 are slidably fitted in these engagement grooves 7 facing each other, and a holder 6 is installed between the holders 6 and 6.
It is formed to include a pair of elastic bodies 9 made of coil springs that always bias the angle 6 in the direction facing each other, that is, inwardly of the engagement groove 7. Then, the opposite ends of the elastic bodies 9 of the second pair are engaged with the engagement holes provided in the holder 6, and the intermediate parts are hooked onto the hooks 30 provided upright on the side pieces 11, so that the holder 5 By pulling upward, the holding body 6 is always supported in pressure contact with the upper wall portion of the engagement member @7.

Further, the engagement groove 7 has a width dimension in which the holding body 6 is loosely fitted, that is,
The diameter is larger than the outer diameter of the holding body 6.

Roughly speaking, the holder 5 has a concave groove 12 that extends downward and is continuous with the engagement groove 7 at a portion facing the holder 6, which is always located therein.

The lower surface of the top plate part 10 of the holding part 5 is made white, for example, so that it can also serve as a reflecting plate.

Further, the top plate portion 10 is provided with a socket insertion hole 13 through which the socket 3 is inserted, and an attachment hole 15 through which attachments 14 and 14 opposing the holder attachment portions 4 and 4 are inserted.

The socket 3 houses a lamp, for example a light bulb 16 or H'4.

17 is a glove, and this glove 17 has an opening 18 on the top surface.
It is formed into a rectangular shape with a circumferential groove 19 on the periphery of the opening. This glove 17 can be made of glass or synthetic resin.

Next, the operation of this embodiment will be explained. glove 1
7 to the instrument body 1, as shown in Figure 4.
The globe 17 is tilted, the circumferential groove 19 on one side is fitted into one side of the holder 6, and the globe 17 is moved in the lateral direction (to the left in FIG. 4) against the elasticity of the elastic body 9. Next, as shown in FIG. 5, the other side of the globe 17 is lifted so that the circumferential groove 19 on the other side faces the other holder 6, and as shown in FIG. By moving the glove 17 in the right direction in FIG. 5, the circumferential groove 19 on the other side fits into the other holder 6, and the glove 17 can be attached to the instrument main body 1 at a proper position.

In this way, the holder 6 is fitted into the engagement groove 7 into which the holder 6 is loosely fitted, and is pressed against the upper wall of the engagement groove 7, so that the glove 1
7 is attached to the instrument body 1 in a press-contact state, and there is no wobbling or gap between the instrument body 1 and the stable attachment state can be maintained.

In addition, when the elastic body 9 comes off from the holding body 6 or is cut and the biasing force of the holding body 6 is released, the holding body 6 fits into the groove 12 continuous to the engagement groove 7 and the glove 17 is prevented from coming off from the holder 6, and the falling of the glove 17 can be effectively prevented.

When removing the glove 17 (above) and attaching it (e), simply perform the procedure in reverse order.

That is, as shown in FIG. 5 from the state shown in FIG. As shown in FIG. 4, the globe 17 may be tilted and the circumferential groove 19 on the other side may be removed from the other holder.

Therefore, the glove 17 can be easily removed from the instrument body 1 using only the glove 17.

7 to 9 show a second embodiment of the present invention.

In the drawings, the same parts as in the first embodiment are given the same reference numerals, and the explanation thereof will be omitted.

That is, in this second embodiment, both ends of the elastic body 9 are engaged with the holders 6, 6, and the elastic body 9 is installed between the holders 6.6 without lifting the central part upward. .

In this second embodiment as well, the glove can be attached, put on, and removed using the same procedure as in the first embodiment.

In this second embodiment, since the elastic body 9 only needs to be installed between the holders 6, the structure is simple, the number of parts is small, and the cost can be reduced.

10 to 13 show a third embodiment of the present invention.

In the drawings, the same parts as in the first embodiment are given the same reference numerals, and the explanation thereof will be omitted.

That is, in this third embodiment, the holder 5 is arranged in a pair of holders 6, 6 each having a bar shape with a cross section, and the longitudinal directions of the holders 6, 6 are spaced apart from each other and facing each other. four supporting parts 8 that are slidably fitted into the supporting parts 8;
It is formed to include four elastic bodies 9 which are housed in and inserted through the shaft body 31 and urge the holder 6 in directions facing each other, and the support parts 8 are arranged at the four corners of the instrument body 10.

In this third embodiment as well, the glove can be attached and removed using the same procedure as in the first embodiment.

Incidentally, in the third embodiment, the socket and lamp are the same as those in the first embodiment, so they are omitted from the drawings.

In this third embodiment as well, the glove 17 is elastically held in line contact with the rod-shaped holders at the opposing sides, so that vertical and horizontal wobbling of the glove is effectively prevented, resulting in stable installation. can maintain its state.

Although the present invention has been described in detail with respect to the three embodiments described above, the present invention allows various other embodiments. For example, the elastic body may be a leaf spring.

[Effects of the Invention 1] As detailed above, the present invention is provided with a holder in which a pair of bar-shaped holders are biased in directions facing each other in the instrument body, so that the glove has a circumferential groove on one side. It is only necessary to fit it into the holder and move it in the biasing direction of one of the holders with the other side in a horizontal position to attach it, and it can be attached with one touch using only gloves, making the attachment operation easy.

Moreover, since the gloves are held in linear contact with each other by the elastic force of the rod-shaped holders at their opposing sides, the gloves are effectively prevented from wobbling vertically and horizontally.
Stable installation allows the condition to be maintained. Furthermore, the glove holder is not exposed and there is no risk of spoiling the appearance.

Furthermore, since the glove can be removed by following the procedure reverse to the installation procedure, the operation becomes easy.

Furthermore, the engagement groove of the holder is formed with a width dimension that allows the holder to fit loosely, and the elastic body is formed by a pair of elastic bodies installed between a pair of holders, and the intermediate part is pulled up above the holder to remove the holder. By constantly supporting the upper wall of the engagement groove in a press-contact state, the glove can be pulled up toward the instrument body and installed, which prevents the glove from wobbling or creating a gap between it and the instrument body. It can be prevented.

In addition, the holder is formed with a concave groove that extends downward and is continuous with the engagement groove in the part facing the holder located above, so that the elastic body can be retained even if it comes off or is cut off from the holder. When the biasing force of the body is released, the holder fits into the groove, preventing the glove from coming off the holder, and effectively preventing the glove from falling.

[Brief explanation of the drawing]

1 to 6 show a first embodiment of the present invention, with FIG. 1 being an exploded perspective view and FIG. 2 being a front view of the holder. FIG. 3 is a side view of the holder, FIGS. 4 to 6 are explanatory diagrams of how the glove is attached, and FIGS. 7 to 9 show a second embodiment of the present invention. Exploded perspective view. FIG. 8 is a front view of the holder, FIG. 9 is a side view of the holder, and FIGS. 10 to 13 show a third embodiment of the present invention.
0 is a perspective view of the instrument main body, FIG. 11 is a bottom view of the instrument main body, FIG. 12 is a front view of the holder portion, and FIG. 13 is a sectional view of the main part with the glove attached. 1... Instrument body, 5... Holder. 6.6...Holding body, 8...Support part, 7...Engagement groove. 9... Elastic body, 17... Glove, 19... Circumferential groove. 12...concave groove.

Claims (3)

[Claims] (1) A lighting equipment main body, a pair of rod-shaped holders, the holders have engagement grooves that are spaced apart from each other in the longitudinal direction and are slidably fitted in directions facing each other, and the holders are a holder provided on the instrument main body, including a supporting part for supporting and an elastic body for biasing the holder in directions facing each other; and a square glove having a circumferential groove at the periphery of the opening; Fits the circumferential groove on one side into one of the holding bodies, moves it laterally against the elasticity of the elastic body, and moves the circumferential groove on the other side to face the other holding body and toward the other holding body. A lighting fixture, characterized in that the lighting fixture is held by the above-mentioned holder by fitting it into the other holder. (2) In the lighting fixture according to claim 1,
The holder has an engaging groove in the support part formed with a width dimension that allows the holder to fit loosely therein, and the elastic body is formed of a pair of elastic bodies installed between the pair of holders, and the intermediate part is pulled up to the upper side of the holder to hold the above-mentioned elastic body. A lighting device characterized in that its body is always supported in pressure contact with the upper wall portion of the engagement groove. (3) In the lighting device according to claim 1 or 2, the holder has a concave groove that extends downward and is continuous with the engagement groove in the part facing the holder, which is always positioned. Lighting equipment featuring.