JP6879601B2 - Lighting device - Google Patents

Description

The present invention relates to a lighting device that is detachably attached to a member to be attached via a pair of hooking blades.

Conventionally, as a lighting device to be mounted on a ceiling or the like, there are a direct-mounted ceiling light and a hanging type lighting device. These lighting devices have a hook ceiling 901 (see FIG. 14) provided on the ceiling surface and a pair of hook blades inserted into a pair of fitting holes 903 of the hook rosette (for example, Patent Document 1).
The lighting device described in Patent Document 1 includes an adapter having a lighting control circuit board built in a case that operates by receiving power from a pair of hook blades connected to a hook rosette, and an adapter that is locked by passing the adapter through a hole. It is equipped with a main body that lights the lamp via the lamp socket at the output. The adapter is provided with a movable lock pin that is exposed on the upper surface of the case and is urged upward so as to be locked in the arc hole (fitting hole 903) on the lower surface of the hooking rosette, and acts in the direction of pushing down the lock pin. The release operation unit is exposed on the side of the case, the output connector of the lighting control circuit board is exposed on the side of the case so that it is located at the bottom of the release operation unit, and the connector for supplying power to the socket is connected to the output connector. doing.
With this configuration, unless the connector connected to the output connector is removed, the release operation unit cannot be substantially pushed in, so that there is no possibility that the adapter will be inadvertently detached from the hooking rosette during normal use.

Japanese Unexamined Patent Publication No. 2005-235456

With the above configuration, there is no possibility that the hook blade will inadvertently come off from the hook rosette or the hook ceiling, but there is a problem that the configuration is complicated.
In view of the above problems, the present invention is to provide a lighting device provided with a mounting portion having a simple structure.

The present invention includes an LED element as a light source, an LED substrate on which the LED element is mounted, a base member on which the LED substrate is arranged, and a mounting portion for mounting on the mounted member. , plate wherein fixed to the base member in a state of closing a pair of hooking blade hooked in the mounting member, the opening of and said base member has a groove for wiring electrically connected to the hooking blade The plate-shaped member has a shaped member, and the plate-shaped member has a step on the peripheral edge side, and the outer peripheral portion outside the step is in contact with the peripheral portion of the opening of the base member from the front side. It is fixed around the.

According to the above configuration, the structure of the mounting portion is simplified.

It is external perspective view of the lighting apparatus of 1st Embodiment. It is sectional drawing of the lighting apparatus of 1st Embodiment. It is an exploded perspective view of the lighting apparatus of 1st Embodiment. It is a perspective view of the state which the translucent cover of the lighting apparatus of 1st Embodiment is removed. It is the figure which looked at the state which removed the protective cover of the apparatus main body of 1st Embodiment from the front. It is a perspective view which looked at the attachment part used in 1st Embodiment from the rear. It is a perspective view which looked at the attachment part used in 1st Embodiment from the front. It is a perspective view of the lock member used in the 1st Embodiment, (a) is the perspective view in the locked state of the lock member, and (b) is the perspective view in the unlocked state of the lock member. It is a perspective view which looked at the plate-shaped member used in 1st Embodiment from the rear. It is a figure which looked at the plate-shaped member used in 1st Embodiment from the rear. It is a perspective view which looked at the attachment part used in 2nd Embodiment from the rear. It is a perspective view of one lock member used in 2nd Embodiment, (a) is the perspective view in the locked state of the lock member, and (b) is the perspective view in the unlocked state of the lock member. It is a perspective view of the other lock member used in the 2nd Embodiment, (a) is the perspective view in the locked state of the lock member, and (b) is the perspective view in the unlocked state of the lock member. It is a perspective view which looked at the hook sealing from the front.

<Overview>
The lighting device according to one aspect of the present invention includes an LED element as a light source, an LED substrate on which the LED element is mounted, a base member on which the LED substrate is arranged, and a mounting portion for mounting on the mounted member. The mounting portion has a pair of hooking blades hooked on the mounted member, a groove for wiring electrically connected to the hooking blade, and closes an opening of the base member. It has a plate-shaped member fixed to the base member, and the plate-shaped member has a step on the peripheral edge side, and the outer peripheral portion outside the step is in contact with the peripheral portion of the opening of the base member from the front side. In a state of contact, it is fixed around the opening.
In the illuminating device according to the other aspect, the groove extends in the radial direction of the illuminating device.
In the lighting device according to the other aspect, the pair of hook blades are accommodated in the accommodating space of the plate-shaped member, and the accommodating space is rectangular when viewed from the side to be attached, and the groove is said. It is provided so as to extend in the radial direction from the central portion of the long side portion of the accommodation space.
The lighting device according to the specification includes an LED element as a light source, an LED substrate on which the LED element is mounted, a base member on which the LED substrate is arranged, and a mounting portion for mounting on the mounted member. The mounting portion has a pair of hooking blades that hook on the mounted member, a locking means that maintains the hooked state of the hooking blade, and a groove for wiring that is electrically connected to the hooking blade. The central portion of the mounting portion is made of a transparent resin material and is a convex portion that protrudes in a rectangular shape toward the front side, and the hooking blade is fixed so as to close the opening of the base member. It is attached to the inside of the convex portion. As a result, since the locking means is provided, it is possible to prevent the hook blade from being inadvertently disengaged.
In the lighting device according to the specification, the locking means has a fixed base portion that appears and disappears in the insertion / removal direction via a spring portion with respect to the fitting hole of the attached member.
In the lighting device according to the other aspect, the mounting portion has two locking means corresponding to the pair of hook blades, and the base member is provided with a circuit portion for lighting the LED element. There is.
The lighting device according to the specification maintains a pair of hooking blades that are freely inserted and removed into a pair of fitting holes of a member to be mounted and hooked on a connection terminal, and a hooked state of the hooking blades in the fitting holes. In a lighting device having a locking means, the locking means has two fixed claws extending into the fitting hole in the hooked state.
In the lighting device according to the specification, one fixed claw portion is provided for one hook blade. As a result, it is possible to further prevent the hook blade from being inadvertently disengaged.
In the lighting device according to the specification, the locked state of the locking means is released by operating two or more operating units. This makes it possible to improve the reliability of the lock function.
In the lighting device according to the specification, the locked state of the locking means is released by the operation of one operating unit. As a result, the hooked state can be released at the same time.
<Embodiment>
The lighting device according to one aspect of the present invention will be described in detail below with reference to the drawings. Here, a ceiling light will be described as an example of a lighting device. The "ceiling light" referred to here is a lighting device provided with a pair of hook blades, and is used for a mounting member such as a hook ceiling 901 (see FIG. 14) or a hook rosette provided on a mounting member such as a ceiling or a wall. A lighting device that is used with a pair of hooking blades attached.
In the following description, it is assumed that the ceiling light is mounted on the ceiling for convenience, and the illumination light of the ceiling light is emitted toward the front (floor surface side). For example, ceiling lights attached to ceiling-mounted members include, for example, those used in living rooms, Japanese-style rooms, bedrooms, children's rooms, etc., and those used in corridors, toilets, entrances, etc. .. Further, some of the members to be attached are provided on the wall, and the present invention can be applied to such a lighting device. The side from which light is emitted from the lighting device is the front side and the front side.

The mounted member includes a round hook ceiling, a square hook ceiling, a round full hook ceiling, a full round rosette, and the like. The attached member has not only a function of attaching a ceiling light but also a function of supplying commercial power to a pair of hook blades.

1. 1. Overall Configuration of Ceiling Light As shown in FIGS. 1 to 3, particularly FIG. 2, the ceiling light 1 is composed of a device main body 3 and a translucent cover 5 detachably attached to the device main body 3. .. The ceiling light 1 is attached to an attachment surface 4 such as a ceiling surface by attaching the translucent cover 5 to the apparatus main body 3 after attaching the apparatus main body 3 to the attached member 2.
Here, as the attached member 2, for example, the hook sealing 901 as shown in FIG. 14 is used. The hook ceiling 901 (attached member 2) has a pair of fitting holes 903 for the hook blade of the ceiling light 1 on the front surface (floor surface side when installed on the ceiling). The pair of fitting holes 903 are provided in an arc shape along a virtual circle whose diameter is the distance between the pair of hook blades 47.
The hook ceiling 901 has a connection terminal inside which is electrically connected to the hook blade 47 when the hook blade 47 of the ceiling light 1 is inserted into the fitting hole 903 and rotated around the central axis passing through the center of the virtual circle. Have. The connection terminal is connected to a commercial power source.

2. Device main body As shown in FIGS. 2 and 3, the device main body 3 includes a light source unit 11 composed of a plurality of LEDs 21, a circuit unit 13 for lighting the light source unit 11, a light source unit 11, and a circuit unit 13. It has a mounting portion 15 for mounting the device and a mounting portion 17 for mounting the own device on the member to be mounted 2. The mounting portion 17 has a pair of hooking blades 47.
The device main body 3 may have at least a protective unit 19 that protects the light source unit 11. The protection unit 19 of the present embodiment protects the light source unit 11 and the circuit unit 13. The protective unit 19 also has a mounting function for detachably mounting the translucent cover 5.
Each part will be described below.

(1) Light Source Unit As shown in FIGS. 3 and 5, the light source unit 11 has a plurality of LEDs 21 and a plurality of mounting boards 23 for mounting the plurality of LEDs 21. The plurality of LEDs 21 may be of one type having the same light color (for example, white, neutral white, daylight color, light bulb color, etc.), or may be of a plurality of types having different light colors. A plurality of LEDs 21 are mounted on the mounting board 23. The mounting position of the LED 21 may or may not be regular. The regular shape includes a linear shape (including one row and a plurality of rows), a staggered shape, an arc shape (including one row and a plurality of rows), and the like.
The mounting board 23 has a wiring pattern for connecting a plurality of LEDs in a predetermined connection form. The predetermined connection form is a series connection, a parallel connection, a series-parallel connection, or the like. The mounting board may be composed of one board.

(2) Circuit unit As shown in FIGS. 3 and 5, the circuit unit 13 has a plurality of electronic components 25, 27 and circuit boards 29, 31 for mounting the plurality of electronic components 25, 27. Here, for convenience, the reference numerals "25" and "27" are attached to one electronic component for each of the circuit boards 29 and 31. For example, a rectifier circuit, a smoothing circuit, and a voltage conversion circuit are configured by the plurality of electronic components 25 and 27. Note that FIG. 3 shows some of the electronic components.
Here, there are two circuit boards 29 and 31. For example, the electronic component 25 constituting the lighting circuit is mounted on the first circuit board 29, and the electronic component 27 constituting the toning circuit and the dimming circuit is mounted on the second circuit board 31.

(3) Mounting unit The mounting unit 15 is composed of a base member 35 as shown in FIGS. 3 and 5. The base member 35 has a plate shape having an opening 37 in the center. The mounting portion 17 is fitted in the opening 37. The base member 35 has a circular appearance when viewed from the floor side, but may have other shapes such as a square or a rectangle.
As shown in FIG. 3, the base member 35 has a light source unit mounting area 41 on which the light source unit 11 is mounted and a circuit unit mounting area 43 on which the circuit unit 13 is mounted on the front surface. Here, the light source unit mounting area 41 exists around the opening 37, and the circuit unit mounting area 43 exists on the outer peripheral side thereof. The positional relationship between the light source mounting area 41 and the circuit mounting area 43 may be other than the above. Further, the circuit unit mounting area may be provided on the back surface.

The light source unit 11 is mounted on the base member 35 by fixing the mounting board 23 to the light source unit mounting area 41. The mounting board 23 is fixed to the base member 35 by, for example, screwing means, locking means, fixing means, and the like. By mounting the mounting board 23 in the light source unit mounting area 41, a plurality of LEDs 21 are arranged in an annular shape surrounding the opening 37. The mounting board may be mounted on the base member so that the plurality of LEDs 21 are located in a matrix (including 1 row and 0 columns) as a whole when viewed from the front side.
The circuit unit 13 is mounted on the base member 35 by fixing the circuit boards 29 and 31 to the circuit unit mounting area 43. The circuit boards 29 and 31 are fixed to the base member 35 by, for example, screwing means, locking means, fixing means, and the like.
The circuit boards 29 and 31 have an arc shape, and the electronic components 25 and 27 are mounted along the arc. As a result, the widths of the circuit boards 29 and 31 (dimensions in the radial direction of the base member) can be reduced.

(4) Mounting portion As shown in FIGS. 3, 5 and 6, the mounting portion 17 is a plate-shaped member 45 that closes the opening 37 of the base member 35 and is fixed to the peripheral portion of the opening 37, and the mounted member. It has a pair of hooking blades 47 that are inserted into the pair of fitting holes 903 and hooked to the connection terminal, and a locking means 51 that locks (maintains) the hooked state of the pair of hooking blades 47. The term "hooking" here means that the pair of hooking blades 47 are hooked and fixed to the connection terminals.

The plate-shaped member 45 has a shape corresponding to the opening 37 of the base member 35. Here, it has a circular shape when viewed from the front side (see FIG. 6). The plate-shaped member 45 has a step 53 on the peripheral edge side. The central portion 55 inside the step 53 of the plate-shaped member 45 closes the opening 37 of the base member 35. The outer peripheral portion 57 outside the step 53 of the plate-shaped member 45 comes into contact with the peripheral portion 59 of the opening 37 of the base member 35 from the front side.
At least the central portion 55 of the plate-shaped member 45 is made of an insulating material whose front side and back side can be visually recognized. Here, the plate-shaped member 45 is made of a transparent insulating resin material. As a result, the work of inserting the hook blade 47 into the fitting hole 903 can be visually recognized. Further, since the plate-shaped member 45 is made of an insulating resin material, it is possible to secure the insulating property between the commercial power supply and the mounting portion 17 and the insulating property between the pair of hooking blades 47.
As shown in FIG. 7, the outer peripheral portion 57 is fixed to the base member 35 by using a screw hole 63 penetrating the boss 61 projecting to the front side. Here, as shown in FIGS. 1 and 4, the plate-shaped member 45 is fixed to the base member together with the guide member 65 that assists the insertion / fitting of the hook blade 47 into the fitting hole 903.

As shown in FIG. 7, the plate-shaped member 45 is formed between two ribs 67 and 69 formed on the outer peripheral edge and a portion inside the outer peripheral edge, and between the rib 67 and the rib 69 when viewed from the front side. It has a boss 71 for fixing the protective cover provided in. A screw hole 73 is formed in the boss 71.
As shown in FIG. 6, the plate-shaped member 45 has a wiring groove 75 in which wiring for electrically connecting to the pair of hook blades 47 is arranged. The wiring groove 75 is formed so as to bulge from the back side to the front side. The wiring groove 75 extends in the radial direction.
As shown in FIG. 7, the plate-shaped member 45 has a grip portion 77 that is gripped (scheduled to be gripped) by an operator when the hooking blade 47 is attached to the attached member 2. The grip portion 77 is composed of a convex portion 79 that protrudes in a rectangular shape toward the front side. The inside of the convex portion 79 is used for fixing the hooking blade 47 and accommodating the locking means 51. The hook blade 47 and the locking means 51 will be described later.

(5) Protective unit The protective unit 19 is composed of a protective cover 81. The protective cover 81 has a semi-torus shape obtained by cutting the torus shape formed by rotating the circle around a rotation shaft located outside the circle at a surface including the central axis of the circle. The central axis of the circle is the axis connecting the centers of the circle when rotated.
The protective cover 81 is composed of two cover members 81A and 81B. Note that FIG. 3 shows a state in which they are integrally combined.
The cover members 81A and 81B are made of a translucent resin material. Diffusion processing (texturing) is applied to the portions of the cover members 81A and 81B that cover the electronic components 25 and 27.

The cover members 81A and 81B have a flat portion 85 at the periphery of the central semicircular notch 83. The flat portion 85 is fixed to the plate-shaped member 45 of the mounting portion 17. Fixing is performed by a screw member screwed into the screw hole 73.
The outer peripheral portions of the cover members 81A and 81B have an outer flange portion 87 that projects outward. The outer flange portion 87 is fixed to the base member 35. Fixing is performed by, for example, a screw member. A plurality (4) outer flange portions 87 are provided at intervals in the circumferential direction. A translucent cover attaching means 89 for attaching the translucent cover 5 is provided between the outer flange portions 87 adjacent to each other in the circumferential direction.

3. 3. Translucent cover As shown in FIGS. 2 and 3, the translucent cover 5 has a rear cover 91 attached to the apparatus main body 3 and a front cover 93 attached to the rear cover 91. The rear cover 91 and the front cover 93 are made of a translucent resin material. Diffusion particles (for example, silicone particles) are mixed in the translucent material resin, and the translucent cover 5 is a milky white cover.

(1) Rear cover As shown in FIG. 3, the rear cover 91 is attached to a tubular portion 95 that extends to the front side, an apparatus main body mounting means 97 provided at the rear end portion of the tubular portion 95, and a front end portion of the tubular portion 95. It has a front cover mounting means 99 provided.
As shown in FIG. 3, the apparatus main body mounting means 97 is composed of an inner flange portion 97a at the rear end portion of the tubular portion 95, which is spaced apart in the circumferential direction and projects toward the axial center. When the rear cover 91 is attached to the apparatus main body 3, the inner flange portion 97a engages with the engaging piece 89a (see FIG. 4) which is the translucent cover attaching means 89 of the cover members 81A and 81B.
As shown in FIG. 3, the front cover mounting means 99 is provided between a groove 101 provided on the inner peripheral surface of the front portion of the tubular portion 95 and formed at intervals in the circumferential direction, and a groove 101 adjacent to the tubular portion 95 in the circumferential direction. It is composed of an engaging recess 103 provided in. The engaging recess 103 engages with the engaging projection 111 of the front cover 93.

(2) Front cover The front cover 93 has a dome portion 107 having a circular shape and a dome shape as a whole when viewed from the front side, a tubular portion 109 provided on the opening side of the dome portion 107, and a tubular portion 109. It has a rear cover mounting means 105 provided on the dome. The rear cover mounting means 105 is composed of engaging protrusions 111 that project outward from the outer periphery of the tubular portion 95 at intervals in the circumferential direction.

4. Mounting portion (1) Hooking blade As shown in FIG. 6, the hooking blade 47 is provided in an upright state at a corner portion of a plate-shaped hooking base 121. The hook base 121 is attached to the inside of the convex portion 79 of the plate-shaped member 45 so that the tip of the hook blade 47 projects from the back surface of the plate-shaped member 45. The mounting will be described later.
(2) Locking means As shown in FIGS. 6 and 7, in the locking means 51, the mounting portion 17 is rotated in the mounting direction with the pair of hooking blades 47 inserted into the fitting holes 903 of the mounted member 2. It has a pair of fixed claw portions 131 that advance into the fitting hole 903 and are in an ejected state, and two operating portions 133 that are operated to release the ejected state of each fixed claw portion 131.
The protruding state of the fixed claw portion 131 is a state of engaging with the fitting hole 903 or a state of being inserted into the fitting hole 903, and restricts the mounting portion 17 from rotating in the removal direction. That is, the hooked state or the inserted state of the hooking blade 47 is locked.
Further, the mounting direction is a rotation direction in which the hook blade 47 advances toward the back side of the arc-shaped fitting hole 903 when the mounted member 2 is viewed from the front, and the removal direction is the opposite direction to the mounting direction.

As shown in FIGS. 6 to 8, the locking means 51 as an example is operated at the time of unlocking with the fixed base portion 135 arranged so as to freely appear and disappear in the insertion / removal direction with respect to the fitting hole 903 of the attached member 2. Two lock members 141 having a lock base portion 137 arranged so as to be movable in the operation direction thereof and a spring portion 139 connecting the fixed base portion 135 and the lock base portion 137 are convex members of the plate-shaped member 45. It is housed and configured inside the portion 79.
As shown in FIGS. 9 and 10, the space inside the convex portion 79 functions as a storage space 80 for the hook base 121 and the locking means 51. The leading line of the accommodation space 80 has an arrow at the tip to distinguish it from the peripheral wall of the concave portion (the convex portion 79 is viewed from the back side).
When the operation unit 133 is pushed in in the state shown in FIG. 8A during the unlock operation, the lock base unit 137 moves so as to approach the fixed base unit 135 as shown in FIG. 8B. To be manipulated). As a result, as shown in FIG. 8B, the spring portion 139 is in an upright state, and the fixed base portion 135 is immersed. The tip of the fixed base portion 135 in the insertion direction in the insertion / removal direction is the fixed claw portion 131, and the outer portion of the lock base portion 137 is the operation portion 133. Further, the immersion of each fixed claw portion 131 is performed by operating the operating portion 133 of each lock member 141.

(3) Accommodating space The accommodating space 80 accommodates a base of a pair of hooking blades 47, a pair of hooking bases 121, and a locking means 51. The pair of hook blades 47 have the same configuration, and the two locking members 141 constituting the locking means 51 also have the same configuration. Therefore, as shown in FIG. 10, the accommodation space 80 has a symmetrical shape with respect to the center when viewed from the rear. Therefore, one of the accommodation spaces 80 will be described here.
As shown in FIG. 10, the accommodation space 80 has a rectangular shape as a whole when viewed from the rear. The locking space 143 that accommodates the locking member 141 exists along the short side. The convex portion (recessed portion) 79 has a boss 145 and a rib 146 at a portion shifted from the short side to the other short side by the width of the lock member 141. As shown in FIG. 9, the rear surface of the boss 145 is located inside the opening of the accommodation space 80.

A screw hole 147 is formed in the boss 145, and the hook base 121 is fixed by the screw member. In this state, the lock member 141 arranged in the lock space 143 is closed (covered) by the hook base 121 except for the fixed claw portion 131. This prevents the lock member 141 from coming off the lock space 143.
An operation opening 149 is formed on the long side of the lock space 143 in the accommodation space 80, and as shown in FIG. 7, the operation portion 133 of the lock member 141 is exposed to the outside from the operation opening 149.
As shown in FIGS. 9 and 10, the wiring groove 75 is provided in the plate-shaped member 45 so as to extend in the radial direction from substantially the center of the long side portion in the accommodation space 80.
The wiring connected to the hook base 121 is accommodated in the central portion of the accommodation space 80.

<Second embodiment>
The attachment portion 17 of the first embodiment has two lock members 141, and each lock member 141 has a fixed claw portion 131 and an operation portion 133 in a pair. However, the fixed portion may have two fixed claw portions, and the locked state may be released by operating one operating portion.
In the second embodiment, the fixing portion capable of performing the unlocking operation of the two fixing claw portions with one operation portion will be described. Here, a portion related to the locking means in the fixed portion will be described. Since the other parts are the same as those in the first embodiment, the description thereof will be omitted.
As shown in FIG. 11, the fixing portion 201 fits into the plate-shaped member 203, the pair of hooking blades 47 that fit into the pair of fitting holes 903 of the mounted member 2, and the fitting holes 903 of the pair of hooking blades 47. It has a locking means 205 for locking the mated state of the above.

The locking means 205 has a pair of fixed claw portions 207, 209 and one operating portion 133 that is operated to release the protruding state of the pair of fixed claw portions 207, 209.
As an example, as shown in FIGS. 11 to 13, the lock member 205 connects the lock member 211 having the fixed claw portion 207, the lock member 213 having the fixed claw portion 209, and the lock member 211 and the lock member 213. It has a connecting member 215 and the like. The connecting member 215 is connected so that the fixed claw portion 209 is interlocked with the infestation operation of the fixed claw portion 207.

As shown in FIG. 12, the lock member 211 has a mounting portion 217 for attaching the connecting member 215 to the lock member 141 according to the first embodiment. The outer portion of the lock base portion 137 of the lock member 211 corresponds to one operation portion 133. Further, the lock member 211 is accommodated in a space having the same configuration as the accommodation space 80 of the lock member 141 of the first embodiment.
Similar to the first embodiment, when the lock member 211 is pushed into the operation unit 133 in the state shown in FIG. 12 (a) during the unlock operation, the lock member 211 is pressed into the lock base unit as shown in FIG. 12 (b). The 137 approaches the fixed base portion 135, the spring portion 139 is in an upright state, and the fixed base portion 135 is immersed.
The connecting member 215 is a wire. For example, a disk-shaped stopper (not shown) is provided at one end of the wire. The mounting portion 217 is composed of a recess large enough to accommodate a part or all of the stopper. The stopper is configured so as not to be larger than the gap between the inner surface of the convex portion 79 and the lock member 141.
As shown in FIG. 13, the lock member 213 is fixed to the fixed base portion 221 and the lock base portion 223 movably arranged when the lock is released, similarly to the lock member 141 according to the first embodiment. It has a spring portion 225 that connects the base portion 221 and the lock base portion 223.

As shown in FIG. 13, the lock member 213 has a mounting portion 227 for attaching the connecting member 215 to the lock member 141 according to the first embodiment. An operation portion is not provided on the outer portion of the lock base portion 223 of the lock member 213.
For example, a disk-shaped stopper is provided at the other end of the wire, which is an example of the connecting member 215. The mounting portion 227 is composed of a through hole having a size that allows the passage of a stopper in a posture parallel to the wire. The stopper at the other end of the wire is locked around the rectangular through hole by taking a posture orthogonal to the wire after passing through the through hole.
The lock member 213 is arranged and accommodated in a lock space that does not have an operation opening 149 for an operation unit with respect to the accommodation space 80 of the lock member 141 of the first embodiment.
When the operation unit 133 of the lock member 211 is operated to release the lock, the fixed base portion 135 of the lock member 211 is immersed and the connecting member 215 is pulled. As a result, the lock base portion 223 in the state shown in FIG. 13 (a) approaches the fixed base portion 221 (see (b) in FIG. 13). As a result, as shown in FIG. 13B, the spring portion 225 is in an upright state, and the fixed base portion 221 is immersed.
That is, in the locking means 205 having the above configuration, when the operating portion 133 is operated, the fixed base portion 221 of the lock member 211 is lowered. As a result, the lock base portion 223 of the lock member 213 connected by the connecting member 215 is movable, and the fixed claw portion 209 is also immersed.

<Others>
1. 1. Pair of fixed claw portions (1) structure The pair of fixed claw portions 131, 131, 207, 209 are configured to be locked with respect to the pair of fitting holes 903 of the attached member 2. That is, the fixed claw portions 131, 131, 207, 209 are provided for the hook blades 47, 47, respectively. As a result, the reliability of the lock function can be improved.
(2) Position In the pair of fixed claw portions 131, 131, 207, 209, a virtual line connecting the vertices of the pair of fixed claw portions 131, 131, 207, 209 connects the same parts of the pair of hook blades 47, 47. It is arranged so as to pass through the midpoint of the virtual line. As a result, the fixing claws 131, 131, 207, and 209 are inserted into the fitting holes 903 and unlocked substantially synchronously.

2. Number of operating units (1) The pair of fixed claws 131 of the first embodiment is released from the locked state by the two operating units 133. The pair of fixed claw portions 207 and 209 of the second embodiment are released by one operating portion 133.
From the viewpoint of operability, it is preferable that the locked state can be released by one operation unit. On the other hand, from the viewpoint of reliability, it is preferable that the locked state can be released by two operation units.
(2) Position The operation unit 133 of the first and second embodiments is provided on the short side side of the side wall corresponding to the long side of the convex portion 79. However, the operating portion may be provided substantially in the center of the side wall corresponding to the long side, or may be provided on the side wall corresponding to the short side.
(3) Structure In the first and second embodiments, the locking member is used, but the locking means may be configured with another structure. For example, a fixed claw portion that is freely arranged so as to appear, a spring member that maintains the protruding state, an operation portion that is slidably arranged, and a wire that pulls the fixed claw portion to the retracted state by sliding the operation portion. The locking means may be configured accordingly. Further, instead of the wire, the structure may be such that the operating portion is connected to one end of the rotating body rotatably supported at the intermediate portion and the fixed claw portion is connected to the other end.

3. 3. In the lighting device embodiment, an LED is used as a light source, but a lighting device using a conventional fluorescent lamp or a lighting device using an organic EL element may be used.

1 Ceiling light (lighting device)
2 Attached member 47 Hooking blade 51 Locking means 131 Fixed claw part 133 Operation part

Claims (3)

LED element as a light source and
The LED substrate on which the LED element is mounted and
The base member on which the LED substrate is arranged and
Equipped with a mounting part for mounting on the member to be mounted
The mounting portion, the pair of hooking blade hooked in the mounting member, the base member in a state of closing the opening of and said base member has a groove for wiring electrically connected to the hooking blade It has a plate-shaped member to be fixed,
The plate-shaped member has a step on the peripheral edge side, and the outer peripheral portion outside the step is fixed to the periphery of the opening in a state where the outer peripheral portion is in contact with the peripheral portion of the opening of the base member from the front side. apparatus. The lighting device according to claim 1, wherein the groove extends in the radial direction of the lighting device. The pair of hook blades are accommodated in the accommodating space of the plate-shaped member, have a rectangular shape when the accommodating space is viewed from the side of the attached member, and the groove is formed from the central portion of the long side portion of the accommodating space. The lighting device according to claim 1 or 2, which is provided so as to extend in the radial direction.

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