JP2006004829A - Component mounting structure of lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a component mounting structure of a lighting fixture with members such as a reflecting mirror and a louver prevented from falling off, and with easiness to attach and detach secured at installation and maintenance. <P>SOLUTION: Members such as a reflector and a louver are fitted in free attachment and detachment to a lighting fixture main body 1 with the use of a kicking screw 14 with expansion biasing force. The kicking screw 14 has its base end part fitted to the members such as the reflecting mirror and the louver, with its mid part inserted into a locking groove 17 of a locking tool 16 fitted to the fixture main body 1, and with its tip end part equipped with a ring part 18 for preventing it from falling off the locking groove 17. The locking part 16 is equipped with a leaf-like fall-preventing screw 21 for preventing the ring part 18 of the kicking screw 14 from falling off the locking groove 17. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a member mounting structure that is used in a lighting fixture such as a downlight, and that attaches a light distribution control member such as a reflector or a louver to a lighting fixture main body detachably using a kick spring.

  2. Description of the Related Art Conventionally, this type of lighting fixture member mounting structure has been adopted for convenience during maintenance such as lamp replacement, and a member such as a reflector or a louver is provided with a spring having a substantially V-shaped expansion biasing force (so-called “so-called”). , A kick spring) and is configured to be movable.

In this type of mounting structure, when connecting a member such as a reflector or louver to the luminaire body (sade body), a latch provided on the shade body so that both ends are squeezed against the elasticity of the kick spring When the finger's force to squeeze the kick spring is loosened by inserting it into the locking groove of the tool, both ends of the kick spring are elastically expanded and the member is lifted while being locked in the locking groove of the locking tool. There is one in which the member is coupled to and supported by the shade body (for example, see Patent Document 1).
Japanese Utility Model Publication No. 6-9007

  In such a conventional structure for attaching a member such as a reflecting mirror or a louver by a kick spring, the pulling strength of the member is considered in terms of design, but it is insufficient from the standpoint of retaining. Even in Patent Document 1, the locking groove of the locking tool through which the kick spring is inserted is provided with a protruding piece at the center of the locking groove to narrow the movable range of the kick spring. A part is open, and the kick spring may come out of the locking groove and come off. In addition, although the fixing is reliable, it has been avoided to fix the reflecting mirror or the louver with a screw in terms of design and convenience.

  Furthermore, depending on the installation location of the lighting fixture, the fixture may be exposed to strong winds. With the member pulled down for maintenance, etc., the load and impact due to this external environment are applied and the reflector attached by the kick spring Alternatively, even when members such as louvers are displaced from a predetermined position, it is necessary to prevent these members from dropping off and to ensure the easy attachment / detachment of the kick spring.

  The present invention responds to the above-mentioned demands, and in a state in which a member such as a reflector or a louver is pulled down by maintenance or the like, it is prevented from falling off due to environmental factors such as strong winds, and at the time of construction and maintenance. An object of the present invention is to provide a member mounting structure for a lighting fixture capable of ensuring the ease of attaching and detaching.

  A member such as a reflector or louver is detachably attached to the lighting fixture body using a kick spring having an expanding biasing force, and the kick spring has a base end attached to a member such as a reflector or louver. In the lighting fixture member mounting structure, the intermediate portion is inserted into the locking groove of the locking tool provided on the fixture body, and the tip portion is provided with a locking portion for preventing the locking tool from coming off from the locking groove. A retaining spring is attached to the locking device so that a gap narrower than the retaining portion of the kick spring is formed on each side of the retaining groove, and the retaining spring is provided with a retaining portion of the kick spring. It is deformed when inserted into the gap on both sides of the locking groove, and the gap is enlarged to allow insertion of the retaining portion of the kick spring, and when the kick spring is pulled down, it contacts the locking tool. In contact with the gap on both sides of the locking groove. And blocking the expansion, in which retaining part of the kick spring is prevented from escaping from either side of the gap of the locking groove.

  The invention according to claim 2 is that, in the above, the retaining portion of the kick spring is formed in a ring shape, and the ring shaped portion is a plate or linear spring when a load is applied to the kick spring from the lateral direction. Is pressed down to obtain a retaining action.

  According to a third aspect of the present invention, in the above, the free end side of the plate or linear spring is provided so as to protrude from the locking tool so as to be easily deformed by a pressing operation when the kick spring is removed.

  According to the first aspect of the present invention, since the plate or the linear spring is attached to the locking tool for locking the kick spring for attaching the reflecting mirror or the louver to the luminaire body, the kick spring can be removed. It is possible to reliably prevent the stopper from coming out of the locking groove, and thus prevent the members from dropping off. Further, when attaching a member such as a reflecting mirror or a louver to the luminaire main body, it can be easily mounted by pressing the kick spring against a plate for preventing removal or a linear spring. Moreover, when removing this member from a lighting fixture main body, it can remove easily by pushing up the plate or linear spring for prevention of removal with an operator's hand.

  According to the second aspect of the present invention, even if a load is applied to the kick spring from the lateral direction, the kick spring does not come off from the locking groove of the locking tool.

  According to the invention of claim 3, the kick spring can be easily attached to the locking tool, and can be easily removed.

  Hereinafter, the member attachment structure of the lighting fixture which concerns on one Embodiment of this invention is demonstrated with reference to drawings. FIG. 1 is a side view of the luminaire, and FIG. 2 is a side cross-section of the luminaire at an angle different from that of FIG. This luminaire includes a frame-shaped luminaire main body 1, a lamp support frame 3 provided on the luminaire main body 1 via a mounting frame (attachment) 2 so as to be rotatable in a horizontal plane, and the lamp support frame. 3, a socket 6 on a socket substrate 5 provided on the top plate 4, a lamp 7 into which a base is screwed, a reflecting mirror 8 (member) attached to the lower surface opening position of the luminaire main body 1, and the like. Prepare. The reflecting mirror 8 may have a member such as a louver. The lamp support frame 3 is supported on a support plate 2a provided integrally with the mounting frame 2 so as to freely swing in a vertical plane by a shaft member 2b, whereby the lamp 7 can be arbitrarily changed in inclination posture. It is said that.

  The luminaire main body 1 is fitted into an opening or the like of the ceiling plate 11 and is locked by a locking tool 12. The reflecting mirror 8 is attached to the mounting frame 2 so as to be movable and detachable by using a substantially V-shaped metal kick spring 14 having an expanding urging force so that the work can be performed when the lamp 7 is replaced. It can be moved to the position indicated by the two-dot chain line in FIG. The kick spring 14 always applies an upward urging force to the reflecting mirror 8 by its expanding urging force, and its base end is attached to the reflecting mirror 8 via a locking metal fitting 15 and its intermediate portion is indicated by an arrow A. 3 is retained by a locking groove 17 of a locking tool 16 (FIG. 3) provided on the mounting frame 2, and a ring portion for preventing the locking groove 17 from coming off from the locking groove 17 (a locking portion). 18 is provided. Thereby, the ease of attachment / detachment at the time of construction and maintenance can be secured.

  FIG. 3 (a) shows the above-mentioned arrow A portion and shows a state in which the kick spring 14 is inserted into the locking groove 17 of the locking tool 16. The locking tool 16 is provided in a pair such that L-shaped pieces project inward of the mounting frame 2 and face each other, and a locking groove 17 is formed between the facing pieces. In particular, in the present embodiment, a plate-shaped retaining spring 21 for preventing the ring portion 18 of the kick spring 14 from coming out of the retaining groove 17 is attached to the retaining tool 16. The plate-shaped retaining spring 21 has one end fixed to the mounting frame 2, the free end partially overlapping the L-shaped facing piece of the locking tool 16, leaving a gap for the kick spring 14 to be inserted. It is provided in such a posture as to close the locking groove 17. As shown in FIG. 3C, the lateral dimension d of the locking groove 17 that is not blocked by the plate-like retaining spring 21 is made smaller than the dimension of the ring part 18 of the kick spring 14, and the ring part 18 is prevented from coming off.

  As shown in FIG. 3 (d), when the kick spring 14 is mounted, the ring portion 18 is mounted by pushing up the plate-shaped retaining spring 21 in the direction of the arrow, and when it is removed, the plate-shaped retaining spring 21 is moved. It can be removed by the operator pushing it up manually. Further, as shown in FIG. 3B, a linear retaining spring 21 </ b> A may be used instead of the plate-shaped retaining spring 21.

  FIGS. 4A and 4B illustrate that the retaining effect varies depending on the shape of the ring portion 18 when the kick spring 14 receives a lateral load. FIG. 4A shows a case where the ring portion 18 is bent outward. In this case, the kick spring 14 pushes up the plate-like retaining spring 21. For this reason, the retaining effect is slightly weak. On the other hand, FIG. 5B shows a case where the ring portion 18 is bent inward, and in this case, the ring portion 18 of the kick spring 14 pushes down the plate-like retaining spring 21. For this reason, the retaining effect is great. This prevents members such as the reflecting mirror 8 or the louver from dropping off.

  5A and 5B show an embodiment in which the operability of the kick spring 14 can be improved. As shown in FIG. 4A, the tip 18A of the ring portion of the kick spring 14 is formed in an acute angle so that the kick spring 14 can be inserted into the locking groove 17 when the kick spring 14 is attached to the locking tool 16. It becomes easy. Further, as shown in FIG. 5B, by providing the free end side of the plate-shaped retaining spring 21 so as to protrude from the locking tool 16, the plate-shaped retaining spring when the kick spring 14 is removed. It is easy to push up 21 and the operability is improved.

  Here, the difference in the retaining effect of the kick spring 14 between the configuration of the present embodiment including the plate-shaped retaining spring 21 and the configuration not including the plate-shaped retaining spring 21 as described above, This will be described with reference to FIG. As shown in FIG. 6A, in the configuration not including the plate-shaped retaining spring 21, when a downward load is applied to the kick spring 14, as shown in FIG. The 14 ring portions 18 (diameter D) are unlikely to come off from the locking grooves 17 of the locking tool 16. However, as shown in FIG. 5C, when a lateral load is applied to the kick spring 14, the ring portion 18 is easily detached from the locking groove 17 of the locking tool 16, and the kick spring 14 may fall. is there. In this respect, in the present embodiment, such a problem is solved by providing the plate-like retaining spring 21.

  The present invention is not limited to the configuration of the above embodiment, and various modifications can be made without departing from the spirit of the invention. For example, although the kick spring 14 has a substantially V-shape, any shape can be adopted as long as an expansion biasing force can be obtained. Also, any shape can be adopted for the locking tool 16 for locking the kick spring 14.

The side surface block diagram of the lighting fixture which concerns on one Embodiment of this invention. FIG. 2 is a side cross-sectional view of the same lighting apparatus at an angle different from that of FIG. 2A is a perspective view showing a state where the kick spring is inserted through the locking groove of the locking tool, and is a linear spring replacing the plate-shaped spring. (C) is a top view of the arrow A part of FIG. 2, (d) is a perspective view which shows the operation | movement at the time of mounting | wearing and removal of a kick spring. (A) and (b) are figures explaining that the retaining effect differs depending on the shape of the ring portion when the kick spring receives a lateral load. (A) is a side view of the kick spring by embodiment which can improve the operativity of a kick spring, (b) is a perspective view of the plate-shaped spring part by the embodiment. It is a figure explaining the retaining effect of the kick spring in the structure which is not provided with a plate-shaped spring, (a) is a perspective view, (b) (c) is a side view.

Explanation of symbols

1 SEED body (lighting equipment body)
2 Mounting frame (mounting tool)
8 Reflector (member)
14 Kick spring 16 Locking tool 17 Locking groove 18 Ring part (preventing part)
21 Plate-shaped retaining spring 21A Linear retaining spring

Claims (3)

A member such as a reflector or louver is detachably attached to the lighting fixture body using a kick spring having an expanding biasing force, and the kick spring is attached to a member such as a reflector or louver at the base end. In the member mounting structure of the lighting fixture, the intermediate portion is inserted into the locking groove of the locking tool provided in the fixture body, and the locking portion is provided at the tip portion to prevent the locking groove from coming off.
Attach retaining springs to the locking tool so as to form gaps narrower than the retaining parts of the kick springs on both sides of the retaining grooves,
The retaining spring is deformed when the retaining portion of the kick spring is inserted into the gap on both sides of the locking groove, and the clearance is enlarged to allow the retaining portion of the kick spring to be inserted. When the kick spring is pulled down, it comes into contact with the locking tool to prevent the gap on both sides of the locking groove from expanding, and the kick spring retaining portion comes out of the gap on both sides of the locking groove. A member mounting structure for a luminaire characterized by preventing the above.   The kick spring retaining portion is formed in a ring shape, and when the load is applied to the kick spring from the lateral direction, the kick spring is pressed down to obtain a retaining function. The member mounting structure for a lighting fixture according to claim 1, wherein the member mounting structure is provided.   The free end side of the plate or linear spring is provided so as to protrude from the locking tool so as to be easily deformed by a pressing operation when the kick spring is removed. The member attachment structure of the lighting fixture of 2.

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