JP3355809B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus provided with a glove, and more particularly to a lighting apparatus provided with a glove to prevent the glove from falling.

[0002]

2. Description of the Related Art FIGS. 9 to 11 show a conventional luminaire (first conventional example). This luminaire includes a main body 1, a glove 2, a mounting member 3, and a fall prevention member 4. And is configured.

[0003] The appliance main body 1 comprises a substantially plate-like main body bottom portion 1a attached to the ceiling, and a flange portion 1b is erected downwardly. The glove 2 is mounted so as to cover the outside of the flange portion 1b by the mounting member 3 arranged on the center line.
Is attached. The mounting member 3 is attached to the instrument body 1.
A glove receiving member 3b, which is rotatably attached to the main body bottom 1a near the inside of the flange portion 1b and has a locking hole 3a as a locking portion, and a glove receiving member 3b opposed to the glove receiving member 3b. Inward and outward, that is, glove 2
And a glove stopper 3d provided with a locking claw 3c provided on a side wall of the glove 2 so as to be able to advance and retreat in the vertical direction and locked in a locking hole 3a of the glove receiving member 3b. On the outside, a button 3e for operating the glove stopper 3d forward and backward is provided.

[0004] The fall prevention member 4 comprises a locking member 4a provided on the instrument body 1 and a claw member 4b provided on the glove 2. The locking member 4a is provided with a glove receiving member 3b. Further, it is provided inside the apparatus main body 1 and is formed of a wire, has a substantially U-shape, and has a height extending below the glove receiving member 3b. The claw member 4b is provided on the side wall of the glove 2 and at a position facing the locking member 4a when the glove 2 is mounted, and its tip is bent downward to form a hook portion 4c, thereby locking the glove stopper member 3d. Attached together with the claw 3c, it can be moved in and out of the instrument body 1 in the same manner.

In the lighting fixture thus constructed, the globe 2 is mounted by pushing up the globe 2 against the fixture body 1, and the glove stopper 3d of the mounting member 3 is engaged with the glove receiving member 3b. Before being stopped, the claw member 4b of the fall prevention member 4 is inserted into the locking member 4a, and is pushed up from that state and mounted. Therefore, even when the glove 2 is mounted, the hook 4c of the claw member 4b maintains the positional relationship of being inserted into the locking member 4a, the fitting of the mounting member 3 is insufficient, and the mounting member 3 When the glove 2 comes off due to the disengagement of the glove 3, the hook 4c of the claw member 4b is hooked on the locking member 4a to prevent the glove 2 from dropping.

FIG . 12 shows another conventional luminaire (second conventional example). The difference from the first conventional example is as follows.
A temporary suspension member 5 is provided in place of the fall prevention member 4, and the other configuration is the same as that of the first conventional example.

The temporary suspending member 5 mainly includes the glove 2
Is provided at a position similar to that of the locking member 4a of the first conventional example, and has a substantially U-shaped lower metal fitting 5a and a pair of coil springs 5b. , A pair of substantially L-shaped upper fittings 5 supported on the instrument body 1 through
c and a temporary suspension member 5d provided on the glove 2 and having a configuration similar to that of the first conventional example.
And a claw member (not shown) which is locked to the front end, and is configured to be vertically expandable and contractible.

Therefore, when putting on and taking off the glove,
If the claw member of the glove 2 is hooked on the lower bracket 5a of the temporary hanging member 5, the temporary hanging member 5 is extended downward by its own weight to temporarily suspend the globe 2, and if the globe 2 is pushed up, the temporary hanging member 5 is configured to return to its original height, and the temporary suspension member 5 also serves to prevent the glove 2 from falling, as in the first conventional example.

[0009]

However, in the lighting fixtures shown in the first and second conventional examples configured as described above, the fall prevention member 4 and the temporary suspension member 5 are located at the same position as the mounting member 3. Therefore, it is necessary to provide a part avoiding the claw member 4c in the glove receiving member 3b, which not only complicates the structure of the part including the mounting member 3 but also temporarily suspends the glove receiving member 3 in order to prevent the glove receiving member 3c from dropping. In order to remove the glove 2, the user must put his hand between the glove 2 and the instrument body 1 and release the hook while groping, making it difficult to perform maintenance and inspection work such as lamp replacement. When the operator removes the attachment member 2, even if the worker removes the attachment member 3, the hook 4 c is positioned substantially at the same position as the attachment member 3, that is, on the center line of the instrument body 1. Hardware 5
a. There is a problem that misoperation is easily performed, such as erroneously recognizing that the attachment member 3 is not detached from the hooked state, and further deforming the instrument body 1 or the glove 2 by applying a downward force to the glove 2. .

The present invention has been made in view of the above problems, and has as its object to prevent the glove from dropping with a simple structure, to make it easy to recognize the state where the mounting member has come off, and to attach and detach the glove. It is an object of the present invention to provide a lighting device with less erroneous operation of the lighting device.

[0011]

According to the present invention, in order to solve the above-mentioned problems, a glove is attached to an instrument body attached to a ceiling by a pair of attaching members. The mounting member includes a glove receiving member provided with a locking portion and protruding downward from the instrument main body so as to face the side wall of the glove, and a locking claw to the locking portion, and the side wall of the glove is provided. A glove stopping member provided so as to be able to advance and retreat inward and outward in opposition to the glove receiving member. Falls under its own weight and comes off the instrument body,
In the luminaire, in which the device main body and the glove are provided with a fall prevention member for preventing the glove from falling apart from the attachment member, the fall prevention member is made of a wire having elasticity and a substantially U-shape. And a metal plate material,
Equipped with a hook bracket having a substantially U-shaped central connecting portion of the inclined surface abutting the supporting spring when brought into close proximity to the glove and the instrument body for temporarily fixing the globe, the
One of the support spring and the latch is provided as a pair.
The support spring and the hook are engaged at one place, and the support spring is attached to the vicinity of the flange portion of the instrument body or the side wall of the glove, and the hook is attached to the side wall of the glove or the instrument body. It is arranged near the flange portion, and when the fitting state between the instrument main body and the glove by the mounting member is released, the engaging portion between the support spring and the hook metal becomes a pivot of the glove. Things.

[0012]

As described above, according to the first aspect of the present invention, the glove is mounted on the apparatus main body mounted on the ceiling by a pair of mounting members, and the mounting member has a locking portion. A glove receiving member protruding downward from the instrument body so as to face the side wall of the glove, and a locking claw to the locking portion; And a glove stopper provided so as to be able to move forward and backward in the direction.The glove falls by its own weight by operating the mounting member to release the engaging claw from the locking portion, and the glove falls from the appliance body. In a lighting fixture provided with a fall prevention member for preventing the glove from dropping separately from the mounting member, the fall prevention member has elasticity and is substantially U-shaped. A wire made of a support spring which is formed,
A metal fitting, and a hook fitting having an inclined surface that comes into contact with a substantially U-shaped central connecting portion of the support spring when the glove and the instrument body are approached to temporarily fix the glove. Throat between the support spring and the hook
The support spring and the hook are engaged at one place, and the support spring is attached to the vicinity of the flange portion of the instrument body or the side wall of the glove, and the hook is attached to the glove. Is disposed in the vicinity of the side wall or the flange portion of the instrument body, and when the fitting state between the instrument body and the glove by the attachment member is released, the engaging portion between the support spring and the hook metal as a rotation fulcrum of the glove. Therefore, there is no need to provide a part avoiding the fall prevention member 4 in the mounting member 3,
There is no restriction on the shape and dimensions of the mounting member 3, the structure of that part can be simplified, and the glove 2 can be reliably prevented from falling. It can be easily recognized that there is a deviation, and the risk of erroneous operation is reduced. When the mounting member 3 is removed, the globe 2 is temporarily suspended only at one place of the fall prevention member 4 and is widely opened, and the lamp can be easily replaced while the globe 2 is temporarily suspended on the appliance body 1, and Even when the glove 2 is removed, the fall prevention member 4 can be reliably seen from one side and the work is easy, and maintenance and inspection can be easily performed.

[0013]

1 to 4 show a first embodiment of a lighting fixture according to the present invention .
And a glove 2, a mounting member 3, and a fall prevention member 4. The point different from the first conventional example is the fall prevention member 4, and the other is the same as the first conventional example. It is configured similarly.

The fall prevention member 4 is a support spring 4d provided near the one flange portion 1b in a direction perpendicular to a line connecting the pair of glove receiving members 3b, which is a bottom portion 1a of the instrument body 1, and a glove 2 Of the supporting spring 4d
And a hook 4e hooked to the support spring 4d. Support spring 4
d is formed by shaping a wire into a substantially U-shape and has elasticity, and the vicinity of both ends thereof is fixed to the instrument body 1 so as to hang down from the instrument body 1. Also, the hook 4e
Is formed by bending a sheet metal, and is fixed to the side wall of the globe 2 so that the tip is obliquely downward toward the inside of the device. Since the globe 2 has no directionality, it is better to provide one of the support spring 4d and the latch 4e.

In the lighting apparatus thus configured, when the glove 2 is mounted, if the globe 2 is pushed up, the elasticity of the support spring 4d causes the support spring 4d to tilt toward the tip of the hook 4e. Slide along the hook 4
e is hooked in such a way as to slip into the support spring 4d, and when the glove 2 is further pushed up, the mounting member 3 is fitted and mounted. Even in this state, the tip of the hook 4e is more instrumental than the support spring 4d. It protrudes inside the main body 1 and is located above it. Therefore, even when the glove 2 is removed, if the attachment member 3 is operated, the hook 4e is securely hooked on the support spring 4d.

With this configuration, in the lighting fixture of the present embodiment, the shape and dimensions of the mounting member 3 are not limited, the structure of the portion can be simplified, and the mounting member 3 If the glove 2 is detached, the glove 2 is temporarily suspended only at one place where the support spring 4d and the hook 4e are provided to face each other to prevent the glove 2 from dropping securely. The lamp can be easily replaced while the lamp is temporarily suspended on the fixture body 1. Also, when removing the glove 2, the fall prevention member 4
The device can be easily seen from the side of the device body 1 where the fall prevention member 4 is not provided, and the work can be easily performed. The operator can easily recognize that the attachment member 3 has come off, and can support the glove 2 with both hands and remove it safely. Therefore, the risk of erroneous operation is reduced. Further, even when the glove 2 is mounted, the hook 4e and the support spring 4d serve as a fulcrum, so that the positioning of the glove 2 can be easily performed, maintenance and inspection can be easily performed, and one of the mounting members 3 can be mounted. When the glove 2 comes off, the glove 2 is supported by the other mounting member 3 and the support spring 4d, and the glove 2 is greatly inclined on the side where the glove 2 comes off to form a large gap between the glove 2 and the ceiling surface. Can be easily informed of the condition to a person, and quick repair can be easily performed.

FIG . 5 shows a second embodiment of the present invention. The difference between the lighting apparatus and the first embodiment is the fall prevention member 4, and the other parts are the same as those of the first embodiment. The configuration is the same as in the example.

The fall prevention member 4 has the support spring 4d and the hook 4e of the first embodiment provided on opposite members. That is, a support fitting 4f formed by bending a sheet metal in place of the support spring 4d is provided on the instrument body 1.
Is provided on the side wall of the globe 2, and a hook spring 4g is provided instead of the support spring 4d. The support metal fitting 4f is formed by bending the tip of a sheet metal vertically fixed to the main body bottom 1a of the equipment main body 1 obliquely upward toward the outside of the equipment. It is formed into a substantially U-shape, has elasticity, and is fixed from the side wall of the glove 2 to the inside of the instrument body 1 so that the tip is located above the tip of the support fitting 4f. . Even with such a configuration, the same effects as in the first embodiment can be obtained.

FIG . 6 shows a third embodiment of the present invention. The difference from the first embodiment is that the device body 1 and the glove 2 face the side where the fall prevention member 4 is provided. On the opposite side to the above, the point that a string 6 with an S ring is provided.
The configuration is the same as that of the embodiment.

The string 6 with the S ring is configured such that one end is attached to a string fixing bracket 6 a provided on the side wall of the glove 2 and the other end is connected to the S ring 6 b. An S-ring hook 6c is provided at the opposing portion. Therefore, when the glove 2 is worn, the fall prevention member 4 is hooked and the S ring 6b is
The glove 2 is pushed up by the hook 6c, and then the mounting member 3 is fitted to the glove 2 for mounting.

[0021] Since the thus configured, the luminaire of this embodiment, the addition to the effects of the first embodiment, drop preventing member 4 and the S-ring cord 6, the role of each anti-fall In the case where one of the fall prevention member 4 and the string 6 with the S ring is forgotten, or even if one of the strings is detached, the fall prevention can be reliably performed.
If the glove 2 is forgotten or detached, it falls on the inner surface of the glove 2 and can be recognized as a shadow from the outside, so that forgetting to wear it can be reduced.

FIGS. 7 and 8 show a fourth embodiment of the present invention . In the third embodiment, a fall prevention member 4 and a string 6 with an S ring are respectively connected to a pair of mounting members. 3
On the same side as that of the third embodiment, and provided separately from the mounting member 3, that is, at a position away from the portion of the mounting member 3 where the locking claw 3c advances and retreats. Have been. Even with this configuration, substantially the same effects as in the third embodiment can be obtained.

[0023]

As described above, according to the first aspect of the present invention, the glove is mounted on the apparatus main body mounted on the ceiling by a pair of mounting members, and the mounting member is provided with a locking portion. And a glove receiving member provided to protrude downward from the instrument body so as to face the side wall of the glove, and a locking claw to the locking portion, and a glove receiving member facing the glove receiving member on the side wall of the glove. A glove stopper member provided so as to be able to advance and retreat inward and outward, and the glove is dropped by its own weight by operating the attachment member to release the engaging claw portion from the locking portion. In addition to the above, in the lighting apparatus provided with a fall prevention member for preventing the fall of the glove separately from the mounting member, the fall prevention member is
A support spring made of a wire having elasticity and formed in a substantially U-shape; and a metal plate made of a metal plate, wherein the support spring is substantially closed when the glove and the instrument body are approached to temporarily fix the glove. And a hook having an inclined surface that comes into contact with the U-shaped central connecting portion .
Either one is provided as a pair, and the support spring and the latch are engaged at one place, and the support spring is attached to the vicinity of the flange portion of the instrument body or to the side wall of the glove. Disposed near the side wall or the flange portion of the instrument body, and when the fitting state between the instrument body and the glove by the attachment member is released, the engaging portion between the support spring and the hook metal is the rotation support point of the glove. As a result, there is no need to provide a part that avoids the fall prevention member in the mounting member, and there is no limit on the shape and dimensions of the mounting member, and the structure of that part can be simplified, and the glove can be reliably prevented from falling. In addition, when the glove is removed, the worker can easily recognize that the attachment member has come off, and the risk of erroneous operation is reduced. In addition, if the mounting member is removed, the glove is temporarily suspended only at one drop prevention member, and the glove is widely opened. The lamp can be easily replaced while the glove is temporarily suspended on the appliance body. In addition, the fall prevention member can be easily seen from one side and is easily operated, and maintenance and inspection can be easily performed.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a lighting fixture of the present invention.

FIG. 2 is a perspective view of a main part of the above.

FIG. 3 is a side view of a partial cross section of the above.

FIG. 4 is a plan view of a main part of the above.

FIG. 5 is a perspective view of a main part showing a second embodiment of the lighting fixture of the present invention.

FIG. 6 is a perspective view showing a third embodiment of the lighting fixture of the present invention.

FIG. 7 is a schematic plan view showing a fourth embodiment of the lighting fixture of the present invention.

FIG. 8 is a sectional view taken along the line AA in FIG. 7 of the same.

FIG. 9 is a partially sectional front view showing a conventional lighting fixture (first conventional example).

FIG. 10 is a front view of a main part of the above.

FIG. 11 is an exploded perspective view of a main part of the above.

FIG. 12 is a perspective view showing a main part of another conventional lighting fixture (second conventional example).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Glove 3 Mounting member 3a Locking part 3b Glove receiving member 3c Locking claw 3d Glove stopper 4 Fall prevention member 4d Support spring 4e Hook

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F21V 17/00 330

Claims (1)

(57) [Claims] A glove is attached to an instrument body attached to a ceiling by a pair of attaching members, and the attaching member has a locking portion and protrudes downward from the instrument body so as to face a side wall of the glove. A glove receiving member provided, and a glove stopping member provided with a locking claw to the locking portion and provided on a side wall of the glove so as to be able to advance and retreat inward and outward in opposition to the glove receiving member. The glove is dropped by its own weight and detached from the appliance main body by operating the attachment member to remove the engaging claw portion from the locking portion, and the glove is separately attached to the appliance main body and the glove separately from the attachment member. In a lighting device provided with a fall prevention member for preventing the fall of, the fall prevention member,
A support spring made of a wire having elasticity and formed in a substantially U-shape; and a metal plate made of a metal plate, wherein the support spring is substantially closed when the glove and the instrument body are approached to temporarily fix the glove. And a hook having an inclined surface that comes into contact with the U-shaped central connecting portion .
Either one is provided as a pair, and the support spring and the latch are engaged at one place, and the support spring is attached to the vicinity of the flange portion of the instrument body or to the side wall of the glove. Disposed near the side wall or the flange portion of the instrument body, and when the fitting state between the instrument body and the glove by the attachment member is released, the engaging portion between the support spring and the hook metal is the rotation support point of the glove. A lighting device characterized by becoming.