JP2020170601A - Light fitting - Google Patents

Abstract

To provide a light fitting which enables an optional member to be fixed to a body of the light fitting securely.SOLUTION: In a light fitting 1 according to the invention, an optional member 4 is attached to a device body 2. The device body 2 has a groove part 222. The optional member 4 includes: a frame part 41 including a slit; and a spring member (422a) which penetrates through the slit to protrude to the outside and is fitted in the groove part in a protruding state. The frame part 41 has a lock mechanism which contacts with the spring member (422a) to fix the protruding state of the spring member (422a).SELECTED DRAWING: Figure 1

Description

The present invention relates to a luminaire.

Patent Document 1 discloses a lighting fixture in which an optional member (front member) such as a slit or a louver and a hood are fixed by a ring spring. More specifically, a ring spring is attached to the inside of the tip of the hood, a part of the ring spring is formed as a convex curved portion, and the ring spring is projected to the outside of the hood through a circumferential slit formed in the tip of the hood. The holding frame of the optional member is provided with a slit in the circumferential direction into which the convex curved portion is fitted, and the holding frame is fitted to the outside of the tip portion of the hood.

JP-A-11-162229

However, in the above-mentioned luminaire, the ring spring has an endd ring in which a part of the ring is cut out, and the convex curved portion of the ring spring provided in the hood is fitted in the slit of the holding frame of the optional member. Even so, if a force is applied to the convex curved portion in the direction of the ring center of the ring spring, the ring spring may be deflated, the convex curved portion may come off the slit, and the front member may come off the hood. For this reason, the above-mentioned lighting fixture is provided with a fall prevention wire that connects the optional member and the main body of the lighting fixture in case the optional member comes off from the hood. Such a fall prevention wire could be a factor of cost increase such as an increase in members and an increase in assembly process.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a luminaire capable of firmly fixing an optional member to the main body of the luminaire.

In order to solve the above problems, the lighting fixture according to the present invention is a lighting fixture in which an optional member is attached to the fixture main body, the fixture main body has a groove portion, and the optional member has a frame portion provided with a slit and a frame portion. It is provided with an endless annular ring spring having a convex curved portion that penetrates the slit and protrudes to the outside to fit into the groove portion, and the frame portion has a locking mechanism that prevents the diameter of the ring spring from being reduced.

With the above configuration, in the lighting fixture according to the present invention, the optional member can be firmly fixed to the fixture body.

A downward perspective view showing a lighting fixture according to the first embodiment of the present invention. (A) A perspective view of the optional member included in the lighting fixture of FIG. 1 as viewed from the lower surface side, (b) a side view of the optional member, and (c) a schematic cross-sectional view taken along the line AA of FIG. Perspective view from the upper surface side of the frame portion constituting the optional member of FIG. (A) Bottom view of the frame portion of FIG. 3, and (b) Bottom view of the ring spring constituting the optional member of FIG. (A) Bottom view and side view of the ring spring when the optional member is in the locked state, (b) The figure showing the positional relationship between the knob portion provided by the ring spring and the stopper provided by the frame portion in the same case, (c) the same. In this case, a view showing a state in which the convex curved portion provided in the ring spring protrudes from the inside to the outside of the slit provided in the frame portion, (d) a bottom view and a side view of the ring spring when the optional member is in the open state, ( e) A diagram showing the positional relationship between the knob portion and the stopper in the same case, (f) a diagram showing the positional relationship between the slit and the convex curved portion in the same case, (A) Bottom view and side view of the ring spring when the diameter of the optional member is further reduced from the open state, (b) A view showing the positional relationship between the knob portion provided by the ring spring and the stopper provided by the frame portion in the same case. c) In the same case, a diagram showing a state in which the surface of the frame portion and the outermost side of the convex curved portion are flush with each other. (A) A view showing a frame portion provided with a stopper provided with a recess according to a modification of the present invention, and (b) an enlarged view of the vicinity of the stopper portion of the same frame portion. The figure for demonstrating the honeycomb louver which was configured such that one of the two convex curved portions projecting from a frame portion, being housed in a frame portion, and the other remains protruding according to one modification of this invention. (A) A diagram for explaining a locking mechanism according to a second embodiment of the present invention, (b) a perspective view showing the appearance of a spring member, (c) a guide hole portion according to a portion P9 of FIG. 9 (a). Enlarged view of the vicinity (A) A diagram schematically showing the position of the spring member in the housed state and the locked state, (b) A diagram schematically showing the position of the spring member in the open state, (c) The spring in the protruding state and the locked state. The figure which shows the position of a member schematically (A) A schematic view of the honeycomb louver according to the third embodiment of the present invention when viewed from below, and (b) for explaining a shaft hole portion and a guide hole portion provided in the frame portion of the honeycomb louver. FIG., (C) a bottom view showing the spring member, (d) a perspective view showing the spring member, (e) a diagram schematically showing the position of the spring member in the housed state, and (f) the spring member in the open state. A diagram schematically showing the position, (g) a diagram schematically showing the position of the spring member in the protruding state and the locked state. The figure which shows the honeycomb louver provided with the resin member protruding from the frame part which concerns on one modification of this invention.

<1. First Embodiment>
Hereinafter, the lighting fixture 1 according to the embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the lighting fixture 1 is attached to a frame body 3 mounted in a mounting hole provided in a mounting target such as a ceiling, a fixture body 2 mounted on the frame body 3, and a fixture body 2 as an example of an optional member. A honeycomb louver 4 to be attached is provided.

The instrument body 2 includes a heat sink 21, a hood 22, a cone 23, and a light source module 24. The hood 22 is a cylindrical member, and a plurality of groove portions 222 for attaching the honeycomb louvers 4 are provided on the inner peripheral surface of the cylinder.

<Honeycomb louver 4>
As shown in FIGS. 1 and 2 (a) to 2 (c), the honeycomb louver 4 includes a frame portion 41, a ring spring 42, and a louver portion 43. The outer diameter of the honeycomb louver 4 is slightly shorter than the inner diameter of the cylinder of the hood 22, and the convex curved portion 422a and the convex curved portion 422b, which will be described later, project outward from the frame portion 41 to fit into the groove portion 222 of the hood 22. , The honeycomb louver 4 is fixed to the instrument body 2.

<Frame part 41>
The frame portion 41 is an annular member that constitutes the appearance of the honeycomb louver 4, and as shown in FIGS. 3 and 4A, a side wall portion 412 stands from the outer peripheral portion of the flat and annular bottom plate portion 411. The plate-shaped regulating portions 413a to 413d are erected from the inner peripheral portion of the bottom plate portion 411. Further, the frame portion 41 includes a trapezoidal plate-shaped stopper 414a and a stopper 414b protruding from the inner circumference toward the center of the annulus. The side wall portion 412 is provided with a slit 415a and a slit 415b along the circumferential direction. The slits 415a and 415b are arranged symmetrically with respect to the center of the annulus. In the present embodiment, the D1 side shown in FIG. 2B of the honeycomb louver 4, that is, the floor surface side when the luminaire 1 is attached to the ceiling is downward, and the ceiling is viewed from the D2 side, that is, the floor surface side. The side is upward.

In the frame portion 41, as shown in FIGS. 2C and 3, a ring spring 42 is arranged in a space S surrounded by a bottom plate portion 411, a side wall portion 412, and a regulation portion 413a to 413d, and a louver 42 is arranged above the space S. Part 43 is arranged.

<Ring spring 42>
The ring spring 42 is a spring member formed by bending a rod-shaped metal member. More specifically, as shown in FIG. 4B, the ring spring 42 is an endless annular ring spring in which a notch C is provided in a part of the annular shape, and the knob portion 423a and the knob portion 423b are provided at each end portion. The convex curved portion 422a and the convex curved portion 422b are provided at positions forming an angle of approximately 90 ° from the end portion when viewed from the center of the annulus. The ring spring 42 is in a state in which the diameter of the ring is reduced by the user applying a force to the knob portion 423a and the knob portion 423b in a direction approaching each other (see directions D11 and D12 in FIG. 5A as an example). A state in which the diameter of the ring is expanded by applying a force in a direction away from each other (see directions D21 and D22 in FIG. 5D as an example) (hereinafter referred to as a “diameter-reduced state”). ).

<Lock mechanism>
In the honeycomb louver 4, when the ring spring 42 is arranged in the space S of the frame portion 41 and the diameter is expanded, the convex curved portion (422a, 422b) is outside the frame portion 41 (more specifically, the side wall portion 412). In the state of protruding toward the direction (hereinafter referred to as "protruding state"; see FIGS. 5 (a) and 5 (c)), when the diameter is reduced, the convex curved portion (422a, 422b) moves into the frame portion 41. It is in a housed state (hereinafter referred to as “contained state”; see FIGS. 5 (d) and 5 (f)).

Here, when the ring spring 42 is expanded in diameter, as shown in FIG. 5B, the user grips the knob portion 423a and the knob portion 423b and moves the ring spring 42 in a direction away from each other, and finally the knob The portion 423a is moved to a position of the stopper 414a on the side away from the stopper 414b (E12), and the knob portion 423b is moved to a position of the stopper 414b on the side away from the stopper 414a (E22). Move. The positions of the knob portion 423a and the knob portion 423b at this time are hereinafter referred to as "lock positions".

In this state, the knob portion 423a and the knob portion 423a and the knob portion 423a are pressed by the elastic force of the ring spring 42 that is about to be reduced in diameter by the force and frictional force that the knob portion 423a is pressed against the side E12. The portion 423a is locked so as not to move easily from this position (hereinafter referred to as “locked state”). That is, the stopper 414 and the stopper 414b are realized by such a simple configuration and function as a locking mechanism for maintaining the locked state. In this locked state, the convex curved portion 422a protrudes outward through the slit 415a and is fixed so as not to be retracted toward the center of the annulus, and the convex curved portion 422b protrudes outward through the slit 415b toward the center of the annulus. It is fixed so that it does not retract into.

On the other hand, when the locked state is released, the user grips the knob portion 423a and the knob portion 423b and approaches the knob portion 423a and the knob portion 423b to each other, as shown in FIG. 5A as an example, the knob portion 423a. Is moved in the D11 direction along the edge of the stopper 414a, and the knob portion 423b is moved in the D12 direction along the edge of the stopper 414b. Then, the convex curved portion 422a moves in the D15 direction, the convex curved portion 422b moves in the D16 direction, and the ring spring 42 is in a reduced diameter state (FIGS. 5 (d) to 5 (f)). At this time, the convex curved portion 422a and the convex curved portion 422b are not fixed so as not to be retracted toward the center of the ring of the frame portion 41 (hereinafter referred to as “open state”).

In the open state, the knob portion 423a is in contact with the side E11 of the stopper 414a and can move along the edge of the stopper 414a, and the knob portion 423b is in contact with the side E21 of the stopper 414b and can move along the edge of the stopper 414b. .. Then, as shown in FIGS. 5 (d) and 5 (f), the convex curved portion 422a protrudes slightly outward from the slit 415a of the side wall portion 412 with respect to the surface S1 of the side wall portion 412. Similar to the case of the convex curved portion 422a, the convex curved portion 422b is in a state of protruding slightly outward from the slit 415a of the side wall portion 412 with respect to the surface S1 of the side wall portion 412.

Further, when a force in the direction of the center of the annulus is further applied to the convex curved portion 422a and the convex curved portion 422b, as shown in FIG. 6C, the convex curved portion 422a and the convex curved portion 422b become formed. Further, moving toward the center of the annulus, the convex curved portion 422a and the surface S1 of the side wall portion 412 can be flush with each other, and the convex curved portion 422b and the surface S1 of the side wall portion 412 are flush with each other. Obtain (see FIGS. 6 (a) to 6 (c)).

Therefore, when the honeycomb louver 4 is inserted inside the hood 22 in the open state, the convex curved portion 422a and the convex curved portion 422b are in contact with the mountain portion between the groove portions 222 of the hood 22 and a force is applied toward the center of the ring. When it joins, it moves toward the center of the ring, and when it does not touch the mountain portion between the groove portions 222 of the hood 22, it moves outward and fits into the groove portion 222 of the hood 22. When the convex curved portion 422a and the convex curved portion 422b are fitted into the groove portion 222 in this way, the honeycomb louver 4 is in a state of being attached to the hood 22 and eventually to the instrument main body 2.

In this state, the honeycomb louver 4 is not easily disengaged from the instrument main body 2 by grasping the knob portion 423a and the knob portion 423b of the honeycomb louver 4 and separating them from each other to make them protrude and lock them. ..

<2. Second embodiment>
In the first embodiment, the convex curved portion 422a and the convex curved portion 422b are integrally configured as the ring spring 42, but the present invention is not limited to this, and an optional member such as the honeycomb louver 4 is attached to and fixed to the instrument main body 2. Any configuration is sufficient, and each member may be composed of a plurality of members each having a convex curved portion.

As shown in FIG. 9A, the honeycomb louver 600 according to the present embodiment includes a frame portion 610, a spring member 630, and a spring member 650. The frame portion 610 has the same configuration as the frame portion 41, except for a portion particularly described below.

The honeycomb louver 600 may be in a protruding state in which the spring member 630 and the spring member 650 protrude outward from the slit in the side wall portion of the frame portion 610, and may be in a housing state in which the spring member 630 and the spring member 650 are housed inside the frame portion 610. In each of the states, there can be a locked state that is locked so that it does not easily go to the other state.

The spring member 630 is formed by bending a rod-shaped metal member, and includes a knob portion 630a, a portion 630b, a portion 630c, a portion 630d, and a knob portion 630e. As shown in FIG. 9B as an example, the spring member 630 has an obtuse angle between the portion 630b and the portion 630c, and the portion 630c and the portion 630d have an obtuse angle. Further, the knob portion 630a is a portion that is bent at a right angle to the portion 630b and stands up, and the knob portion 630e is a portion that is bent at a right angle to the portion 630d and stands up. The portion 630b, the portion 630c, and the portion 630d of the spring member 630 correspond to the convex curved portion 422a in the first embodiment (hereinafter referred to as “convex curved portion 630 g”). The angle formed by the knob portion 630a and the portion 630b and the angle formed by the knob portion 630e and the portion 630d do not have to be at right angles, and may be formed at an acute angle or an obtuse angle.

The spring member 630 is deformed so that the distance between the portion 630b and the portion 630d is shortened by the user pinching the knob portion 630a and the knob portion 630e and applying a force so that they are close to each other (hereinafter referred to as "deformed state"). .. At this time, an elastic force is generated in the spring member 630 in the direction in which the distance between the portion 630b and the portion 630d is increased. In this state, when the user stops applying force to the knob portion 630a and the knob portion 630e, the elastic force returns the distance between the portion 630b and the portion 630d (hereinafter referred to as "basic state").

The frame portion 610 has the same configuration as the frame portion 41, but instead of the stopper 414a and the stopper 414b, the guide hole portion 611, the guide hole portion 612, the guide hole portion 613, the guide hole portion 614, the stopper 610a and the stopper 610b To be equipped.

As shown in FIG. 9A, the knob portion 630a of the spring member 630 is inserted into the guide hole portion 611 so as to project outward of the frame portion 610, and the spring member portion 612 is inserted into the guide hole portion 612. The knob portion 630e of the 630 is inserted so as to project outward of the frame portion 610. The user can pinch the knob portion 630a and the knob portion 603e. The knob portion 630a is guided by the guide hole portion 611 and is movable, and the knob portion 630b is guided by the guide hole portion 612 and is movable (see FIGS. 10 (a) to 10 (c)).

As shown in FIG. 9C, the guide hole portion 611 has a region 611a and a region 611c located across the stopper 610a protruding inward of the hole in a tongue shape, and a region 611b connecting these regions. The guide hole portion 612 has a region 612a and a region 612c located across the stopper 610b protruding inward of the hole in a tongue shape, and a region 612b connecting these regions.

As shown in FIG. 10 (c), when the knob portion 630a is located in the region 611c of the guide hole portion 611 and the knob portion 630b is located in the region 612c of the guide hole portion 612, as the portion P9 in FIG. 9 (a). As shown, the convex curved portion 630 g is in a protruding state in which the frame portion 610 protrudes outward in the annulus.

On the other hand, as shown in FIG. 10A, when the knob portion 630a is located in the region 611a of the guide hole portion 611 and the knob portion 630e is located in the region 612a of the guide hole portion 612, the spring member 630 is the frame portion. It will be housed within 610. In addition, the part P10 of FIG. 9A shows an example in which the spring member 650 is housed.

Here, in a state where the knob portion 630a stays in the region 611a and the region 611c of the guide hole portion 611, the elastic force that the spring member 630 tries to spread and the inner peripheral edge of the knob portion 630a and the guide hole portion 611, particularly. Due to frictional force with the edge of the stopper 610a, it is in a locked state so that it does not move from one area to the other unless it is moved by the user. Further, when the knob portion 630e stays in the region 612a and the region 612c of the guide hole portion 612, the elastic force that the spring member 630 tries to spread and the inner peripheral edge of the knob portion 630a and the guide hole portion 612, particularly the stopper. Due to frictional force with the edge of 610b, it is in a locked state so that it does not move from one region to the other unless it is moved by the user. That is, the stopper 610a and the stopper 610b function as a locking mechanism, and are realized by such a simple configuration.

The spring member 650 has the same function as the spring member 630, and the guide hole portion 611 and the guide hole portion 612 have the same functions as the guide hole portion 613 and the guide hole portion 614.

<3. Third Embodiment>
In the second embodiment, the two knobs are moved along the two guide holes for each spring member, but the present invention is not limited to this, and the convex curved portion of the spring member is projected and It is sufficient if it is housed in the frame and can be locked. For example, one of the knobs may be used as a rotation axis to be projected by rotation and accommodated.

As shown in FIG. 11A, the honeycomb louver 800 according to the present embodiment includes a frame portion 810, a spring member 830, and a spring member 850. The honeycomb louver 800 is in a protruding state in which the spring member 830 and the spring member 850 project outward from the slit in the side wall portion of the frame portion 810 (see the portion P11 in FIG. 11A), and are housed inside the frame portion 810. It can be in a locked state (see part P12 in FIG. 11A), and in each of the protruding state and the housed state, it can be in a fixed locked state so as not to easily become another state.

As shown in FIGS. 11C and 11D, the spring member 830 has a shaft portion 830a, a portion 830b, a portion 830c, a portion 830d, and a knob portion 830e. The shaft portion 830a, the portion 830b, the portion 830c, the portion 830d, and the knob portion 830e are portions corresponding to the knob portion 630a, the portion 630b, the portion 630c, the portion 630d, and the knob portion 630e of the spring member 630, respectively. The proportions and the angles formed by the parts are changed from those of the spring member 630 so that the 830 is suitable for axial rotation. More specifically, the portion 830d is configured to be shorter in length than the portion 830b, and the angle formed by the portion 830d and the portion 830c is narrower than the angle formed by the portion 830b and the portion 830c.

In principle, the frame portion 810 has the same configuration as the frame portion 610, but instead of the guide hole portion 611, the guide hole portion 612, the guide hole portion 613, and the guide hole portion 614, as shown in FIG. 11A. A shaft hole portion 811 and a shaft hole portion 813 through which a rotating shaft is inserted, and a guide hole portion 812 and a guide hole portion 814 are provided. The inner configuration enclosed as the portion P11 and the portion P12 shown in FIG. 11A is rotationally symmetric with respect to the center of the annulus of the frame portion 810, and has the same configuration and function.

The diameter of the shaft hole portion 811 is formed to be slightly larger than the diameter of the shaft portion 830a. The shaft hole portion 811 is inserted through the shaft portion 830a, and the shaft portion 830a functions as a rotating shaft.

As shown in FIG. 11B, the guide hole portion 812 has a region 812a and a region 812c located across the stopper 810a projecting inward in a tongue shape, and a region 812b connecting these regions. A knob portion 830e is inserted through the guide hole portion 812. When the user grips the knob portion 830e and moves it along the edge of the guide hole portion 812, the spring member 830 rotates about the shaft portion 830a (FIGS. 11 (e) to 11 (g)). When the knob portion 830e is located in the region 812b, the spring member 830 is in a protruding state protruding from the frame portion 810, and when the knob portion 830e is located in the region 812a, the spring member 830 is accommodated in the frame portion 810. Become in a state. Here, in a state where the knob portion 830e stays in the region 812b of the guide hole portion 812, the elastic force that the spring member 830 tries to spread and the inner peripheral edge of the knob portion 830e and the guide hole portion 812, particularly the stopper 810a. Due to frictional force with the edge, it becomes a locked state that does not move unless it is moved by the user. That is, the stopper 810a and the stopper 810b function as a locking mechanism and are realized by a simple configuration.

When the knob portion 830e does not stay in the region 812b of the guide hole portion 812, the knob portion 830e is in an open state in which the regions 812a and 812c can be moved.

The spring member 850 has the same configuration and function as the spring member 830, the shaft hole portion 813 has the same configuration and function as the shaft hole portion 811, and the guide hole portion 814 has the same configuration and function as the guide hole portion 812. It has a configuration and a function.

<4. Modification example>
Although the embodiment of the luminaire according to the present invention has been described above, the illustrated luminaire can be modified as follows, and the present invention is limited to the luminaire as shown in the above embodiment. Of course there is no such thing.

(1) In the above-described embodiment, the optional member is used as an example of the honeycomb louver, but the present invention is not limited to this, and any member that can be attached by the above configuration is sufficient. For example, it may be a louver, a lens such as a diffusion lens, a glass plate, a lid material, or the like.

(2) In the above-described embodiment, the honeycomb louver 4 is fitted into the groove portion 222 provided on the inner peripheral surface of the hood 22, but the present invention is not limited to this, and the honeycomb louver 4 can be attached to a mounting object having a similar structure having the groove portion. , Can be installed. For example, the honeycomb louver 4 may be fitted between the step portions (groove portions) of the baffle for diffusing light.

(3) In the above-described embodiment, in the above-described embodiment, the stoppers 414a and 414b have a trapezoidal plate shape, but the present invention is not limited to this, and the knob portion 423a contacts the stopper 414a and the knob portion 423b is the stopper 414b. It suffices if the positions of the knob portion 423a and the knob portion 423b do not change easily when they come into contact with. For example, it may be a rectangle or may be composed of a curved line.

(4) In the above-described embodiment, the stopper 414a and the stopper 414b are formed in a rectangular shape, but the present invention is not limited to this. For example, the stopper 414a and the stopper 414b may be deformed so that the knob portion 423a and the knob portion 423b are fitted into the stopper 414a and the stopper 414b in the locked state. As a specific example, instead of the frame portion 41, a stopper 464a having a recessed side E41 and a stopper having a recessed side E42 as shown in FIGS. 7 (a) and 7 (b). The frame portion 46 including 464b may be used. As a result, due to the elastic force of the ring spring 42, the knob portion 423a is fitted into the recess of the side E41 and suppressed, and the knob portion 423b is fitted into the recess of the side E42 and suppressed, so that the optional member is in the locked state. Furthermore, it will be firmly fixed. Further, although the above-mentioned recess is formed of a curved line in FIGS. 7 (a) and 7 (b), it may be formed of a straight line or a curved line and a straight line.

(5) In the above-described embodiment, the two convex curved portions (422a, 422b) can both protrude from the frame portion 41 and be housed in the frame portion 41, but the present invention is not limited to this. For example, as shown in FIG. 8, one (convex curved portion 422b) is fixed in a state of protruding from the frame portion 41, and only the other (convex curved portion 422a) is in a state of protruding from the frame portion 41. It may be possible to be in a state of being housed in the frame part 41 (see P1 in FIG. 8, which represents a state in which the convex curved part 422a is housed in the frame part 41). In this case, since the convex curved portion 422b is not housed in the frame portion 41, the honeycomb louver 4 is more firmly fixed when it is attached to an attachment target such as a baffle.

Further, the convex curved portion 422b fixed in a state of protruding from the frame portion 41 may not necessarily be formed by bending a rod-shaped metal member but may be formed of another material, for example, as shown in FIG. It may be composed of a resin member 950.

(6) In the above-described embodiment and modification, the number of convex curved portions is set to 2, but it may be 3 or more. Further, as long as there is no problem in attaching or detaching the honeycomb louver 4 to or from the attachment target such as a baffle, some of the plurality of convex curved portions may be fixed in a protruding state from the frame portion. Good.

Further, the portion protruding from the frame portion is not limited to the convex curved portion, but is formed of another material such as resin as shown in FIG. 12, and is formed into a shape that can be fitted into a groove to be attached such as a baffle. It may be a resin member 950 or the like.

(7) The above-described embodiment and each modification may be partially combined.

<5. Supplement>
Hereinafter, a configuration of a lighting fixture as an embodiment of the present invention, a modification thereof, and an effect thereof will be described.

(1) The luminaire according to an embodiment of the present invention is a luminaire in which an optional member is attached to the luminaire body, the luminaire body has a groove portion, and the optional member has a frame portion having a slit and a frame portion. A lock mechanism that is capable of protruding to the outside through the slit and includes a spring member that fits into the groove in the protruding state, and the frame portion is in contact with the spring member and fixes the protruding state of the spring member. Has.

According to this configuration, the optional member can be firmly fixed to the instrument body.

(2) Further, the spring member includes a knob portion that stands upright at an end portion, and the lock mechanism is a stopper that projects inward from the inner circumference of the frame portion, and the knob portion is provided on the edge of the stopper. The parts may come into contact with each other.

According to this configuration, the lock mechanism can be realized with a simple configuration.

(3) The spring member may be composed of a ring spring.

According to this configuration, a plurality of spring members can be composed of one member.

(4) Further, the spring member includes a knob portion erected at an end portion, the frame portion includes a guide hole portion, and the lock mechanism projects inward from the edge of the guide hole portion. It is a stopper, and the knob portion may come into contact with the edge of the stopper.

According to this configuration, the lock mechanism can be realized with a simple configuration.

(5) Further, the edge of the stopper may have a recess, and the knob portion may fit into the recess.

According to this configuration, the knob portion can be made more difficult to move, and the optional member can be firmly fixed to the instrument body.

(6) Further, the instrument body may be provided with a baffle, and the groove portion of the instrument body may be located between two steps provided on the baffle to diffuse light. ..

With this configuration, the optional member can be attached to the baffle.

1 Lighting equipment 2 Equipment body 3 Frame body 4,600,800 Honeycomb louver 21 Heat sink 22 Hood 23 Cone 24 Light source module 41, 46, 610, 810 Frame part 42 Ring spring 43 Louver part 222 Groove part 411 Bottom plate part 412 Side wall part 413a, 413b 413c, 413d Control part 414a, 414b, 464a, 464b, 610a, 610b, 810a, 810b Stopper 415a, 415b Slit 422a, 422b, 630g Convex curved part 423a, 423b, 603e, 630a, 630b, 630e, 830e 611, 612, 613, 614, 812, 814 Guide hole part 630, 650, 850 Spring member 811, 813 Shaft hole part 830a Shaft part 950 Resin member C Notch E11, E12, E21, E22, E41, E42 Side S space S1 surface

Claims (6)

A lighting fixture to which optional members can be attached to the fixture body.
The instrument body has a groove and
The optional member
A frame with slits and
It is provided with a spring member that can penetrate the slit and protrude to the outside and fits into the groove in the protruding state.
The frame portion is a lighting fixture having a lock mechanism that is in contact with the spring member and fixes the protruding state of the spring member. The spring member includes a knob portion that stands upright at the end portion.
The lighting fixture according to claim 1, wherein the lock mechanism is a stopper that projects inward from the inner circumference of the frame portion, and the knob portion contacts the edge of the stopper. The luminaire according to claim 1 or 2, wherein the spring member is composed of a ring spring. The spring member includes a knob portion that stands upright at the end portion.
The frame portion includes a guide hole portion and has a guide hole portion.
The luminaire according to claim 1, wherein the lock mechanism is a stopper that projects inward from the edge of the guide hole portion, and the knob portion contacts the edge of the stopper. The edge of the stopper has a recess and
The knob portion fits into the recess,
The lighting fixture according to any one of claims 2 to 4. The instrument body is equipped with a baffle
The lighting fixture according to any one of claims 1 to 5, wherein the groove portion of the fixture body is located between the two steps provided on the baffle to diffuse light.