JP6096577B2 - Lighting device - Google Patents

Description

  The present invention relates to an embedded illumination device to be inserted into an embedded hole provided in a construction material such as a ceiling, and more particularly to a fixing structure of an attachment member for attachment to the construction material.

2. Description of the Related Art Conventionally, a lighting device that is inserted into an embedded hole provided in a construction material such as a ceiling is attached. Such an illuminating device has a configuration in which a plurality of mounting springs (mounting members) are mounted on the side peripheral surface of the cylindrical device body at intervals in the circumferential direction, and the elastic force of the mounting spring is used. Some of them are attached to construction materials (for example, Patent Documents 1 and 2).
For example, in Patent Document 1, each mounting spring is disposed so as to be sandwiched between a pair of rail-like members provided on the side peripheral surface of the apparatus main body, so that movement in the circumferential direction is restricted. The screw is fixed to the apparatus main body with screws so as not to come off in the direction away from the side peripheral surface of the main body.

  In Patent Document 2, the mounting spring is sandwiched between a pair of rail members to restrict the movement in the circumferential direction and the outward direction, and a claw-like shape provided on the mounting spring prevents the upward slipping. An engagement structure between the portion and a recess provided in the side peripheral surface of the apparatus main body is used.

JP 2007-317549 A JP 2010-277764 A

In the illumination device as described above, the plurality of attachment springs are attached to the side peripheral surface of the device main body so as to face a plurality of different directions in plan view. As a result, the elastic force of the attachment spring acts on the construction material (the side surface of the embedding hole and the peripheral portion of the embedding hole) in different directions, and the lighting device is more stably attached to the construction material.
However, in the above case, the screw holes and the engagement recesses are also formed to be recessed in a plurality of different directions.

In the case of a screw hole, a step of forming a screw hole on the side peripheral surface after forming the apparatus main body with a mold is required. Furthermore, since a separate member called a screw is required and a work process for fastening the screw is required, the number of parts and the number of processes increase, leading to an increase in cost and a decrease in work efficiency.
In the case of the engagement recess, a slide mold is usually used because the direction in which the engagement recess of the mold is formed differs from the direction in which the mold of the cylinder portion of the apparatus main body is removed. However, when a slide mold is used, the manufacturing cost is higher than that of a normal mold because the slide portion must be formed.

Therefore, the more screw holes and engaging recesses, the higher the cost and the lower the working efficiency.
An object of this invention is to provide the illuminating device which has the structure which can prevent the detachment | attachment of an attachment member, without using a screw and an engagement recessed part in view of the said problem.

  In order to achieve the above object, a lighting device according to an aspect of the present invention is a lighting device that is inserted into an embedding hole provided in a construction material and attached to the construction material, and is attached to the construction material. A plurality of attachment members, a tubular portion, and a circumferential surface of the tubular portion provided on the side circumferential surface of the tubular portion, spaced apart from each other, and the plurality of attachment members moving in the circumferential direction A device body having a plurality of first movement restricting portions that restrict movement in a direction opposite to the insertion direction and movement in a direction away from the side peripheral surface, and the insertion direction of the device body The at least one attachment member is attached to the outside of the apparatus main body at an end portion on the side, and is in contact with an end portion on the insertion direction side of at least one attachment member among the plurality of attachment members from the insertion direction side. To the insertion direction side A second movement restricting portion for restricting the movement, characterized in that it comprises a.

  In another aspect, the first movement restricting portion that restricts movement of the at least one attachment member allows movement of the at least one attachment member toward the insertion direction, and the at least one attachment member. The first movement restricting portion that restricts movement of the other attachment members may restrict movement of the attachment members other than the at least one attachment member toward the insertion direction.

In another aspect, the apparatus further includes a light emitting unit as a light source attached to the apparatus main body, and the second movement restricting unit is a power supply unit that supplies power for causing the light emitting unit to emit light to the light emitting unit. There may be.
In another aspect, the apparatus main body may have an opening at an end on the insertion direction side, and the second movement restricting portion may be a plate-shaped top plate member that seals the opening.

  In another aspect, the attachment member has an attachment piece portion that is in direct contact with the first movement restricting portion and restricted from moving, and the attachment piece portion is moved by the first movement restricting portion. In a restricted state, the first portion includes a wide portion located on the insertion direction side, and a narrow portion adjacent to the opposite side of the wide portion to the insertion direction and having a narrower width than the wide portion, The movement restricting portion is composed of a pair of rail members elongated in a direction along the tube axis of the tubular portion, and the pair of rail members extend outward from the side peripheral surface, It consists of a pair of side wall portions arranged opposite to each other at intervals in the circumferential direction, and a front wall portion extending in a direction approaching each other along the circumferential direction of the cylindrical portion from the tip of each of the pair of side wall portions. In the region on the insertion direction side, the thickness of the front wall portion is The side wall portion is smaller than the length in the direction extending outward from the side peripheral surface, and a groove portion is formed by a gap between the front wall portion and the side peripheral surface, and the insertion direction is In the opposite region, the length of the side wall portion is the same as the length in the direction extending outward from the side peripheral surface, and the front wall portion, the side peripheral surface, and the side wall portion are integrated. A groove bottom is formed at a boundary portion with the groove portion, and the side wall portion is located on the both side edge portions of the wide portion with the both side edges of the wide portion positioned in the groove portion. Contact from the direction side, to restrict the movement of the mounting member in the circumferential direction, the front wall portion contacts the both side edges of the wide portion from the outer side of the side peripheral surface, The movement of the mounting member in the direction away from the side peripheral surface is restricted, and the groove bottom The said insertion direction shoulders a level difference boundary between the wide portion and the narrow width parts in contact from the opposite side, may restrict the movement of the opposite side to the insertion direction of the attachment member.

  Further, in another aspect, the attachment member has an arm portion that is connected to the side opposite to the insertion direction of the attachment piece portion and extends outward from the side peripheral surface, The arm portion is displaceable in a direction approaching and moving away from the mounting piece portion around a continuous area that is a portion continuous to the mounting piece portion, and is close to the mounting piece portion In the state, it may be urged in a direction away from the attachment piece.

In another aspect, the attachment member may be a leaf spring.
In another aspect, the attachment member may be formed by bending or bending a wire.
In another aspect, the attachment piece portion and the arm portion are made of a rigid plate-like member, and the arm portion is connected to the attachment piece portion so as to be rotatable around the connection region. The mounting member may include a biasing member that biases the arm portion in a direction away from the mounting piece portion in a state where the arm portion is close to the mounting piece portion.

  In another aspect, the tubular portion has a flange portion extending radially outward from the side peripheral surface at the end opposite to the insertion direction, and the arm portion is the attachment piece portion. The flange portion is in contact with the front surface of the construction material, and the arm portion is urged inside the construction material by the urging force. It may turn to the direction away from and may contact the back surface of the said construction material, or the side surface of the said embedding hole.

  According to the configuration of the lighting device according to one aspect of the present invention, the movement of the attachment member in the insertion direction is restricted by the second movement restriction portion, and the attachment member is prevented from coming off. Therefore, the number of screw holes and engaging recesses, which are horizontal holes formed in the side peripheral surface of the main body of the device, is reduced by that amount when retaining the structure by engaging the claw-like member and the recessed portion or screwing. Can do. Thereby, the number of slides of the mold for forming the apparatus main body can be reduced, which can contribute to cost reduction.

It is the external appearance perspective view seen from diagonally backward of the illuminating device 100 which concerns on Embodiment 1. FIG. It is the external appearance perspective view seen from the diagonally forward of the illuminating device 100. FIG. 2 is a side view of the lighting device 100. FIG. 1 is a cross-sectional view of a lighting device 100. FIG. 2 is an exploded perspective view of the lighting device 100. FIG. It is a perspective view which shows the attachment method to the attachment member attaching part 24a of the attachment member 30a in the illuminating device 100. FIG. (A) is a perspective view which shows the state before the attachment member 30a is arrange | positioned at the attachment member attaching part 24a. (B) is a perspective view showing a state before the attachment member 30a is disposed in the attachment member attachment portion 24a and the power supply unit 40 is attached to the apparatus main body 20. FIG. FIG. 4C is a perspective view illustrating a state where the power supply unit 40 is attached to the apparatus main body 20. FIG. 4 is a partial cross-sectional view illustrating a method for attaching the lighting device 100 to the ceiling 1. (A) is a partial cross-sectional view showing a state in which the power supply unit 40 of the lighting device 100 is inserted into the embedded hole 1 a of the ceiling 1. (B) is a partial cross-sectional view showing a state in which most of the apparatus main body 20 is inserted into the embedded hole 1a. (C) is a partial cross-sectional view showing a state where the mounting of the lighting device 100 to the ceiling 1 is completed. It is the perspective view seen from diagonally backward of the illuminating device 200 which concerns on Embodiment 2. FIG. It is a disassembled perspective view of the illuminating device 200. FIG.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. Each drawing is a schematic diagram, and the shapes, dimensions, ratios, and the like of components such as parts shown in the drawings are not necessarily illustrated strictly.
Embodiment 1
[1. overall structure]
FIG. 1 is a perspective view when the illumination device 100 is viewed obliquely from the rear. FIG. 2 is a perspective view of the illuminating device 100 when viewed obliquely from the front. FIG. 3 is a side view of the lighting device 100. FIG. 4 is an exploded perspective view schematically showing the internal configuration of the illumination device 100. FIG. 5 is an exploded perspective view of the lighting device 100. 1 to 5, the upper side of the paper is the rear and the lower side of the paper is the front. In the illuminating device 100, light is mainly emitted forward.

As shown in FIGS. 1-5, the illuminating device 100 is provided with the light emission part 10, the apparatus main body 20, the attachment member 30, the power supply unit 40, the top-plate member 50 grade | etc., As the main structures. There are two types of attachment members 30, attachment members 30 a and attachment members 30 b, whose shapes are different from each other, but these two are simply referred to as “attachment members 30” when there is no need to distinguish between them.
The illumination device 100 is a so-called downlight that is attached to, for example, a general house or a ceiling of a building.

[2. Configuration of each part]
(1) Light emitting unit 10
The light emitting unit 10 has a short columnar shape (or a thick disc shape), and includes, for example, an LED (Light Emitting Diode) as a light source. As shown in FIG. 4, one end of a wiring 92 is connected to the light emitting unit 10, and a connector 93 is attached to the other end of the wiring 92.

(2) Device body 20
The apparatus main body 20 is a cylindrical member as a whole. The apparatus main body 20 includes a cylindrical portion 21, a flange portion 23 that extends in a radially outward direction at a front end 22 (end portion opposite to the insertion direction) of the cylindrical portion 21, and an attachment to which the attachment member 30 is attached. It consists of member attaching parts (first movement restricting parts) 24a and 24b.

  The cylindrical portion 21 includes a large-diameter portion 21a on the front side, a small-diameter portion 21b connected to the rear side of the large-diameter portion 21a, a step bottom portion 21c that is a joint portion between the large-diameter portion 21a and the small-diameter portion 21b, and , And a spacer portion 21d formed on the step bottom portion 21c. In FIG. 5, the alternate long and short dash line represents the cylinder axis J of the cylindrical portion 21 of the apparatus main body 20. Inside the large-diameter portion 21 a, the light emitting unit 10 is disposed and fixed to the step bottom portion 21 c with a screw 91.

The spacer portion 21 d is provided to leave a gap between the power supply unit 40 and the light emitting unit 10 when the power supply unit 40 is attached to the apparatus main body 20. Thereby, the influence which the heat which generate | occur | produces in the power supply unit 40 and the light emission part 10 mutually has can be reduced.
On the side peripheral surface 21e of the large-diameter portion 21a, there are two attachment member attachment portions 24a for holding the attachment member 30, one attachment member attachment portion 24b, and a total of three attachment member attachment portions 24. They are provided at intervals in the circumferential direction of the cylindrical portion 21 (in the present embodiment, at substantially equal intervals). In addition, when it is not necessary to particularly distinguish the attachment member attachment portions 24a and 24b, they are simply referred to as “attachment member attachment portions 24”.

  The attachment member attachment portion 24a includes a pair of rail members 24a1 and 24a2 that are long in the direction along the cylinder axis J. The rail member 24a1 includes a side wall portion 24a1a and a front wall portion 24a1b. The side wall portion 24a1a is long in the direction along the cylinder axis J of the cylindrical portion 21, and extends outward (radially outward) from the side peripheral surface 21e of the cylindrical portion 21. The front wall portion 24a1b extends from the tip 24a1a1 of the side wall portion 24a1a in a direction approaching the rail member 24a2 in the circumferential direction of the tubular portion 21. The front wall portion 24a1b has a thickness smaller than the height of the side wall portion 24a1a (the length in the radially outward direction of the tubular portion 21) at the rear side portion, and between the side peripheral surface 21e and the front wall portion 24a1b. A groove portion 24a1c is formed by the gap. The portion of the front wall portion 24a1b on the front side of the groove portion 24a1c is thicker so that there is no gap between the side peripheral surface 21e and the side wall surface 24e1a and the side wall portion 24a1a. The boundary between the integrated portion and the groove portion 24a1c is a groove bottom 24a1d.

The rail member 24a2 has a so-called mirror image relationship that is opposite to that of the rail member 24a1 and has the same configuration. Rail member 24a2 is formed on side peripheral surface 21e in parallel with rail member 24a1.
The attachment member attachment portion 24b includes rail members 24b1 and 24b2 and an engagement recess 24b3. Rail members 24b1 and 24b2 have the same configuration as rail members 24a1 and 24a2, respectively. The engagement recess 24b3 is a recess formed in the side peripheral surface 21e between the rail members 24b1 and 24b2 and recessed inward (inward radial direction of the tubular portion 21).

The small diameter portion 21b has a semi-cylindrical shape in which a cylinder having a smaller diameter than the large diameter portion 21a is vertically halved. The rear end 25 of the cylindrical portion 21 (the rear end of the small diameter portion 21b and the rear end of the apparatus main body 20) is open.
(3) Mounting member 30
The attachment member 30 is a member for attaching the lighting device 100 to a ceiling or the like, and is a metal leaf spring bent in an L shape in a side view. The attachment members 30 are attached to the attachment member attachment portion 24 of the apparatus main body 20 one by one. In the present embodiment, the apparatus main body 20 has three attachment member attachment portions 24 and three attachment members 30. One of the three attachment members 30 is slightly different in shape from the remaining two.

  The remaining two attachment members 30a are composed of an attachment piece portion 31a, an arm portion 32a, and a connecting portion 33a. The attachment piece portion 31 a is a portion corresponding to an L-shaped vertical line portion, and is a portion that is directly attached to the attachment member attachment portion 24. The wide portion 31a1 that is the rear side portion of the attachment piece portion 31a is wider than the narrow portion 31a2 that is the front side portion, and the step that is the boundary portion is the shoulder portion 31a3. The rear end 31a4 of the attachment piece 31a is a flat surface that is substantially orthogonal to the cylinder axis J when bent and attached to the attachment member attachment 24.

  The arm portion 32 a is a portion corresponding to an L-shaped horizontal line portion, and is a portion located outside the apparatus main body 20 when attached to the attachment member attachment portion 24. When the arm portion 32a is attached to the embedded hole in the ceiling, the arm unit 32a contacts the side surface of the embedded hole or the back surface of the ceiling plate so that the lighting device 100 is held on the ceiling. The continuous portion 33a is a portion corresponding to an L-shaped corner, and the attachment piece portion 31a and the arm portion 32a are coupled via the continuous portion 33a.

  The mounting member 30b having a different shape is also the same as the mounting member 30a in that it is an L-shaped leaf spring member in which the mounting piece portion 31b and the arm portion 32b are coupled via the connecting portion 33b. is there. The attachment member 30b is different from the attachment member 30a in the following three points. The first is that a claw portion 31b5 is formed on the mounting piece. The second point is that no plane perpendicular to the cylinder axis J is formed at the rear end. The third point is that the length of the attachment piece portion 31b (the length in the direction along the cylinder axis J) is shorter than the length of the attachment piece portion 31a. Except for the above three points, the attachment member 30a and the attachment member 30b have the same basic configuration. When the attachment member 30b is attached to the attachment member attachment portion 24b, the claw portion 31b5 has a shape in which the tip protrudes inside the tubular portion 21 (inward radial direction).

In addition, although the alphabet (a, b) attached | subjected to the code | symbol of each part which comprises the attachment members 30a and 30b is attached | subjected according to which attachment member respectively corresponds, it is not necessary to distinguish in particular. In this case, the alphabet (a, b) is not added. For example, when it is not necessary to distinguish between the arm portions 32a and 32b, they are simply referred to as “arm portion 32”.
(4) Power supply unit 40
The power supply unit 40 includes a power supply unit main body 41 and a connector 42, and supplies power for causing the light emitting unit 10 to emit light to the light emitting unit 10.

  As shown in FIG. 4, the power supply unit main body 41 is configured by housing a circuit unit 41a in which various electronic components such as a capacitor and a choke coil are mounted on a substrate in a case 41b. The connector 42 is a member for receiving electric power from the outside by being connected to an electric wiring arranged on the ceiling or the like. One end of a wiring 94 is connected to the circuit unit 41a, and a connector 95 is attached to the other end of the wiring 94. By connecting the connector 95 and the connector 93, the circuit unit 41a and the light emitting unit 10 are electrically connected.

(5) Top plate member 50
The top plate member 50 includes a sealing plate portion 51 that closes the opening 25 a at the rear end 25 of the tubular portion 21, and a fixing portion 52 that is connected to the sealing plate portion 51 and is fixed to the power supply unit main body portion 41. ing. The sealing plate portion 51 is attached to the rear end 25 of the tubular portion 21 with screws 96. The top plate member 50 is integrally formed from, for example, a metal material such as aluminum or stainless steel or a resin material.

[3. Attaching the mounting member to the main unit]
(3-1. Attaching the attachment member 30a to the apparatus main body)
FIG. 6A is a perspective view showing a state before the attachment member 30a is arranged on the attachment member attachment portion 24a. FIG. 6B is a perspective view showing a state before the attachment member 30 a is disposed in the attachment member attachment portion 24 a and the power supply unit 40 and the top plate member 50 are attached to the apparatus main body 20. FIG. 6C is a perspective view showing a state in which the power supply unit 40 and the top plate member 50 are attached to the apparatus main body 20.

  As shown in FIGS. 6A and 6B, the mounting piece 31a of the mounting member 30a is inserted between the rail members 24a1 and 24a2, and both side edges 31a1a of the mounting piece 31a are groove portions 24a1c and 24a2c. Located in. At this time, the side wall portions 24a1a and 24a2a hit (contact) the side edge portion 31a1a, and the movement of the mounting member 30a in the circumferential direction (the circumferential direction of the tubular portion 21) is restricted. Further, the front wall portions 24a1b and 24a2b hit the side edge portion 31a1a, and movement of the mounting member 30a outward (in the radially outward direction of the tubular portion 21 and away from the side peripheral surface 21e) is restricted. Furthermore, the shoulder portion 31a3 of the mounting piece 31a hits the groove bottom 24a1d of the rail member 24a1 and the groove bottom (not shown) of the rail member 24a2, and the movement of the mounting member 30a to the front side is restricted.

  Then, the power supply unit 40 and the top plate member 50 are attached to the apparatus main body 20 with screws 96. Then, as shown in FIG. 6C, the front surface 41c of the power supply unit main body 41 comes into contact with the rear end 31a4 of the mounting member 30a from the rear side so that the power supply main body 41 presses the mounting member 30a from above. Thereby, the movement to the back side of the attachment member 30a is controlled, and prevention of removal is achieved. That is, the power supply unit 40 functions as a movement restricting portion (second movement restricting portion) that restricts rearward movement of the attachment member 30a.

  When only considering preventing the attachment member 30a from coming off, the rear end 31a4 may not always be in contact with the front surface 41c, and there is a gap between the rear end 31a4 and the front surface 41c. Also good. In this case, it is sufficient that the clearance is such that the mounting piece 31a is not detached from the rail members 24a1 and 24a2 when the mounting member 30a is moved rearward until the rear end 31a4 contacts the front surface 41c.

In the present embodiment, in order to prevent the mounting member 30a from rattling, the front surface 41c of the power supply unit main body 41 and the rear end 31a4 of the mounting member 30a are always in contact with each other. Therefore, the length of the attachment piece 31a of the attachment member 30a is longer than the length of the attachment piece 31b of the attachment member 30b by the amount of the spacer portion 21d.
(3-2. Mounting of mounting member 30b to mounting member mounting portion 24b)
The attachment method of the attachment member 30b to the attachment member attachment portion 24b is the same as the attachment method of the conventional attachment spring (attachment member) disclosed in Patent Document 3. That is, the mounting piece 31b of the mounting member 30b is inserted between the rail members 24b1 and 24b2, and the side edges 31b1a are located in the groove portions 24b1c and 24b2c. At this time, the movement of the mounting member 30b in the circumferential direction (circumferential direction of the tubular portion 21) and the outward movement (the radially outward direction of the tubular portion 21 and away from the side circumferential surface 21e) are restricted. The Further, the shoulder portion 31b3 of the mounting piece 31b hits the groove bottom of the rail members 24b1 and 24b2, and the forward movement of the mounting member 30b is restricted. (In FIG. 5, only the groove bottom 24b2d of the rail member 24b2 is shown.) At this time, the claw portion 31b5 provided on the attachment piece 31b fits into the engagement recess 24b3 provided on the side peripheral surface 21e. The claw portion 31b5 and the engaging recess 24b3 engage with each other. Thereby, the movement to the back of the attachment member 30b is controlled, and the attachment member 30b is prevented from coming off.

[4. Mounting the lighting device on the ceiling]
A method for attaching the lighting device 100 to the ceiling will be described below with reference to the drawings. FIG. 7A is a partial cross-sectional view showing a state in which the power supply unit 40 of the lighting device 100 is inserted into the embedded hole 1 a of the ceiling 1. FIG. 7B is a partial cross-sectional view showing a state where most of the apparatus main body 20 is inserted into the embedded hole 1a. FIG. 7C is a partial cross-sectional view illustrating a state in which a portion other than the flange portion 23 of the lighting device 100 is inserted into the embedded hole 1 a and the lighting device 100 is attached to the ceiling 1. In addition, in FIG. 7 (a), (b), (c), about the illuminating device 100, it is not set as the cross section.

  As shown to Fig.7 (a), the illuminating device 100 is inserted in the embedding hole 1a of the ceiling 1 from the back side (power supply unit 40 side). That is, the rear side is the insertion direction side. At this time, the attachment member 30 is bent so that the arm portion 32 is close to the side peripheral surface 21 e of the cylindrical portion 21. By doing so, as shown in FIG. 7B, the illumination device 100 can be inserted into the embedded hole 1a without the arm portion 32 being caught by the embedded hole 1a. Then, as shown in FIG. 7C, the flange portion 23 is in contact with the front surface 1 b of the ceiling 1 to restrict the movement of the lighting device 100 in the insertion direction, and the arm portion 32 has its own elastic force. Moves in a direction away from the side peripheral surface 21e and contacts the side surface 1d of the embedded hole 1a. At this time, if the lighting device 100 tries to fall downward due to its own weight, the attachment member 30 is bent by the side surface 1d in a direction in which the arm portion 32 approaches the side peripheral surface 21e. However, the mounting member 30 is urged in a direction away from the side peripheral surface 21e by its own elastic force, so that the lighting device 100 is stably attached to the ceiling 1 without falling. The state can be maintained.

Depending on the shape of the arm portion 32 and the thickness of the ceiling 1, the arm portion 32 may contact the back surface 1 c of the ceiling 1. In this case, the ceiling 1 is sandwiched between the flange portion 23 and the arm portion 32, and the lighting device 100 is stably attached to the ceiling 1.
[5. Summary of Embodiment 1]
As described above, in the lighting device 100 according to the present embodiment, the attachment member 30a is pressed against the power supply unit 40 from above (from the rear side and from the insertion direction side) to prevent the attachment member 30a from coming off. Therefore, in order to attach the attachment member 30a to the apparatus main body 20 and to prevent the attachment member 30a from coming off, it is not necessary to form a screw hole or an engagement recess in the apparatus main body 20. Therefore, it is possible to reduce the number of screw holes and engaging recesses that are horizontal holes formed in the side peripheral surface 21e of the cylindrical portion 21, and to reduce the number of mold slides for forming the apparatus main body 20. Can do. Thereby, it can contribute to cost reduction.

<< Embodiment 2 >>
In the first embodiment, the power supply unit 40 is attached to the apparatus main body 20, and the attachment member 30 a is prevented from being detached by the power supply unit main body 41. However, it is not limited to this.
In recent years, multi-functionalization of lighting devices has been progressing, such as having a dimming function. With the increase in functionality, the number of electronic components mounted on the circuit unit of the power supply unit may increase, or a large-sized electronic component may be mounted, resulting in an increase in the size of the power supply unit. Then, when inserting into the embedding hole provided in the ceiling or the like, there may occur a problem that the power supply unit cannot be held and inserted.

FIG. 8 is a perspective view of the illumination device 200 according to the second embodiment when viewed obliquely from the rear. FIG. 9 is an exploded perspective view of the lighting device 200.
In addition, in order to avoid duplication of description, about the same component as Embodiment 1, the same code | symbol is attached | subjected and the description is abbreviate | omitted. Hereinafter, the same applies to each modification.
As shown in FIGS. 8 and 9, in the lighting device 200, the power supply unit 240 is not attached to the apparatus main body 20, and the top plate member 250 is not attached to the power supply unit 240. The power supply unit 240 includes a circuit unit for dimming function, and has a longer shape than the power supply unit 40 of the lighting apparatus 100 according to the first embodiment.

  The top plate member 250 includes a sealing plate portion 251 and a pressing portion 252. The sealing plate portion 251 is a semicircular plate-like member that closes the opening 25a of the tubular portion 21, and the basic configuration is the same as the sealing plate portion 51 of the first embodiment. The holding part 252 extends continuously from the sealing plate part 251 so as to extend forward, the holding part 252b extending horizontally from the connecting part 252a, and extends backward from the holding plate part 252b. It consists of a return portion 252c provided so as to extend. As shown in FIG. 8, when the top plate member 250 is attached to the apparatus main body 20, the pressing plate portion 252b comes into contact with the rear end 31a4 of the mounting member 30a, and movement of the mounting member 30a to the rear side is restricted. The

  As described above, also in the configuration of the lighting device 200 according to the second embodiment, the mounting member 30a is pressed from above (from the rear side, from the insertion direction side) by the top plate member 250, and is prevented from coming off. . Therefore, for the same reason as the lighting device 100 according to the first embodiment, the number of screw holes and engaging recesses that are horizontal holes formed in the side peripheral surface 21e of the cylindrical portion 21 of the device main body 20 can be reduced. The number of mold slides for forming the apparatus main body 20 can be reduced. Thereby, it can contribute to cost reduction.

  In addition, when inserting the illuminating device 200 in the embedding hole 1a (refer each figure of FIG. 7) of the ceiling 1 and attaching to the ceiling 1, it is good to do as follows. First, the power supply unit 240 is inserted from the embedded hole 1 a and placed on the back surface 1 c of the ceiling 1. Then, the remaining portions (the top plate member 250, the mounting member 30, the device main body 20, and the light emitting unit 10) are inserted into the embedded hole 1a from the rear side in the same manner as in the case of the lighting device 100 of the first embodiment, and the lighting device 200. Is preferably attached to the ceiling 1.

≪Modification≫
As mentioned above, although the structure of this invention was demonstrated based on Embodiment 1 and 2, this invention is not limited to said each embodiment. For example, the following modifications can be implemented.
(Modification 1)
In the illumination devices 100 and 200 according to the first and second embodiments, the light emitting unit 10 includes an LED as a light source, but is not limited thereto. An incandescent bulb, a fluorescent lamp, an LD (Laser Diode), an organic EL (Electro-Luminescence) light emitting element, or the like may be used as a light source.

(Modification 2)
Although the illuminating devices 100 and 200 which concern on Embodiment 1 and 2 were provided with the light emission part 10, it is not restricted to this. Instead of including the light emitting unit, a lighting fixture including a socket for attaching the light emitting unit instead may be used.
(Modification 3)
In the first and second embodiments, the rear end 31a4 of the attachment member 30a is bent, but the present invention is not limited to this. The shape of the rear end of the attachment member 30a is not particularly limited as long as the rearward movement of the power supply unit or the top plate member is restricted and the attachment to the attachment member attachment portion 24a can be smoothly performed.

(Modification 4)
In the top plate member 250 according to the second embodiment, the pressing plate portion 252b of the pressing portion 252 is located on the front side of the sealing plate portion 251, but the present invention is not limited thereto. For example, the pressing plate portion 252b may be located on the rear side of the sealing plate portion 251 or may be disposed at the same height position in a side view. In that case, the length of the attachment piece portion 31b of the attachment member 30a is preferably set to a length such that the rear end 31a4 contacts the holding plate portion 252b.

(Modification 5)
In the lighting devices 100 and 200 according to the first and second embodiments, the number of the attachment members 30a is two and the number of the attachment members 30b is one. However, the present invention is not limited to this. If at least one of the plurality of mounting members provided in the lighting device is the mounting member 30a, the number of mold slides can be reduced accordingly. Therefore, all the attachment members may be the attachment members 30a.

(Modification 6)
In the first embodiment, the case 41b of the power supply unit main body 41 is in contact with the rear end 31a4 of the attachment member 30a from the rear side to prevent the attachment member 30a from coming off, but the present invention is not limited to this. For example, the connector 42 may contact the rear end 31a4 of the attachment member 30a from the rear side to prevent the attachment member 30a from coming off.

(Modification 7)
In the first embodiment, the power supply unit 40 is in contact with the rear end 31a4 of the mounting member 30a from the rear side to prevent the mounting member 30a from coming off, and in the second embodiment, the top plate member 250 is used. However, it is not limited to this. For example, when another member such as a heat sink is attached to the rear end 25 of the cylindrical portion 21, the separate member may contact the rear end 31a4 of the attachment member 30a from the rear side to prevent the attachment member 30a from coming off. Good.

(Modification 8)
In the first and second embodiments, the attachment member 30 is a leaf spring, but the configuration of the attachment member 30 is not limited to this. For example, the attachment member 30 may be formed by bending or bending a wire (wire). In addition, the mounting piece and the arm formed as a plate-like member having no elasticity are pivotally connected by a hinge or the like, and the arm is attached in a direction away from the mounting piece by a biasing member such as a spring. It is good also as an urged structure.

<Supplement>
As described above, the embodiments and modifications as one aspect of the present invention have been described. The configuration and effects of one embodiment of the present invention can be summarized as follows.
A lighting device according to an aspect of the present invention is a lighting device 100 that is inserted into an embedding hole 1 a provided in a construction material (ceiling) 1 and attached to the construction material 1. The mounting member 30, the cylindrical portion 21, and the side peripheral surface 21 e of the cylindrical portion 21 are provided at intervals in the circumferential direction of the cylindrical portion 21, and a plurality of mounting members 30 in the circumferential direction are provided. A plurality of first movement restriction portions (attachment member attachment portions) 24 for restricting movement, movement in the direction opposite to the insertion direction (backward) (forward), and movement in a direction away from the side peripheral surface 21e; , And an end (rear end) 25 on the insertion direction side of the apparatus main body 20, and the insertion of at least one attachment member 30 a among the plurality of attachment members 30. Direction side end (rear end) 3 The contact from the insertion direction to a4, characterized in that it comprises second movement restricting portion for restricting the movement to the insertion direction of the at least one attachment member 30a (the power supply unit) 40, a.

  According to the above configuration, the second movement restricting portion 40 prevents the attachment member 30a from coming off in the insertion direction. Therefore, the number of screw holes and engagement recesses, which are horizontal holes formed in the side peripheral surface 21e of the apparatus main body 20, is reduced by an amount corresponding to the engagement structure between the claw-like member and the recesses or when retaining by screwing. can do. Thereby, the number of slides of the mold for forming the apparatus main body 20 can be reduced, which can contribute to cost reduction.

  In the lighting device according to another aspect of the present invention, the first movement restricting portion that restricts movement of the at least one attachment member allows movement of the at least one attachment member toward the insertion direction, The first movement restricting portion that restricts movement of the attachment members other than the at least one attachment member may restrict movement of the attachment members other than the at least one attachment member toward the insertion direction.

Thereby, about the attachment member in which the removal prevention to the insertion direction side is not made | formed by the 2nd movement control part, the movement to the insertion direction side is controlled by the 1st movement control part, and a removal prevention is made | formed.
The lighting device according to another aspect of the present invention further includes a light emitting unit as a light source attached to the device main body, and the second movement restricting unit supplies power for causing the light emitting unit to emit light. It may be a power supply unit that supplies power.

Thereby, since the power supply unit that supplies power to the light emitting unit is used as the second movement restricting unit, it is not necessary to use a separate member as the second movement restricting unit, and the increase in the number of parts is suppressed, thereby contributing to cost reduction. Can do.
In the illumination device according to another aspect of the present invention, the device main body has an opening at an end on the insertion direction side, and the second movement restricting portion is a plate-like top plate member that seals the opening. It may be.

Thereby, since the top plate member that seals the opening of the apparatus main body is used as the second movement restricting portion, it is not necessary to use another member as the second movement restricting portion. be able to.
In the illumination device according to another aspect of the present invention, the attachment member has an attachment piece portion that is in direct contact with the first movement restriction portion and restricted from moving, and the attachment piece portion is the first piece. In a state where movement is restricted by the movement restricting portion, a wide portion positioned on the insertion direction side, a narrow portion adjacent to the side opposite to the insertion direction of the wide portion, and narrower than the wide portion, Consisting of
The first movement restricting portion includes a pair of rail members elongated in a direction along the tube axis of the tubular portion, and the pair of rail members extend outward from the side peripheral surface, and the tube A pair of side wall portions arranged opposite to each other in the circumferential direction of the cylindrical portion, and a front wall portion extending in a direction approaching each other along the circumferential direction of the cylindrical portion from the tip of each of the pair of side wall portions The thickness of the front wall portion is smaller in the region on the insertion direction side than the length of the side wall portion in the direction extending outward from the side peripheral surface, and the front wall portion and the side A groove portion is formed by a gap between the peripheral surface, and in a region opposite to the insertion direction, the length of the side wall portion in the direction extending outward from the side peripheral surface is the same. The front wall portion, the side peripheral surface, and the side wall portion And forming a groove bottom at the boundary portion with the groove portion, and in a state where both side edges of the wide portion are positioned in the groove portion, the side wall portion is formed on the both side edges of the wide portion. The circumferential movement of the mounting member is restricted from contact with the circumferential side, and the front wall portion is in contact with the side edges of the wide portion from the outer side of the lateral circumferential surface. Restricting movement of the mounting member in a direction away from the side peripheral surface, and the groove bottom is opposite to the insertion direction at a shoulder portion which is a step between the wide portion and the narrow portion. You may contact from the side and restrict | limit the movement to the opposite side to the said insertion direction of the said attachment member.

Thus, since the 1st movement control member consists of a pair of rail members long in the direction along the cylinder axis of a cylindrical part, it is easy to form the 1st movement control member using a metallic mold. it can.
In the lighting device according to another aspect of the present invention, the mounting member is connected to the side of the mounting piece portion opposite to the insertion direction, and extends in a direction away from the side peripheral surface. The arm portion is displaceable in a direction approaching and moving away from the mounting piece portion around a continuous region that is a portion continuous to the mounting piece portion, In a state of being close to the attachment piece portion, it may be biased in a direction away from the attachment piece portion.

As a result, when inserted into the embedding hole provided in the construction material, the arm part is pressed against the side surface of the embedding hole or the back surface of the construction material, and the attachment of the lighting device to the construction material is more stable by friction force Can be.
In the lighting device according to another aspect of the present invention, the attachment member may be a leaf spring.

Thereby, since a general-purpose member called a leaf spring can be used as the mounting member, manufacturing is easy and it can contribute to cost reduction.
In the lighting device according to another aspect of the present invention, the attachment member may be formed by bending or bending a wire.
Also by this, since a mounting member can be formed using a general-purpose member called a wire, manufacture is easy and it can contribute to cost reduction.

  In the lighting device according to another aspect of the present invention, the attachment piece portion and the arm portion are made of a rigid plate-like member, and the arm portion is rotatable about the continuous region. The attachment member is connected to the attachment piece portion, and the attachment member has an urging member that urges the arm portion in a direction away from the attachment piece portion in a state where the arm portion is close to the attachment piece portion. May be.

By using a rigid member for the mounting piece and the arm, it is possible to prevent a decrease in elastic force due to deformation of the mounting piece and the arm, and as a result, the lighting device can be more stably attached to the construction material. Can do.
In the lighting device according to another aspect of the present invention, the arm includes a flange portion extending radially outward from the side peripheral surface at an end portion of the cylindrical portion opposite to the insertion direction, and the arm. When the portion is inserted into the embedding hole in a state of being close to the attachment piece portion, the flange portion is in contact with the front surface of the construction material, and the arm portion is attached to the inside of the construction material. It may be rotated in a direction away from the attachment piece portion by force to contact the back surface of the construction material or the side surface of the embedded hole.

Thereby, an illuminating device can be more stably attached to a construction material.
Each of the embodiments described above shows a preferred specific example of the present invention. The numerical values, shapes, materials, constituent elements, arrangement positions and connecting forms of the constituent elements, steps, order of steps, and the like shown in the embodiments are merely examples, and are not intended to limit the present invention. In addition, among the constituent elements in the embodiment, constituent elements that are not described in the independent claims indicating the highest concept of the present invention are described as arbitrary constituent elements that constitute a more preferable form.

In addition, in order to easily understand the invention, the scales of the constituent elements in the drawings described in the above embodiments may be different from actual ones. Each figure shown above is a schematic diagram, and is not necessarily illustrated strictly.
The present invention is not limited by the description of each of the above embodiments, and can be appropriately changed without departing from the gist of the present invention. For example, the lighting apparatus which combines suitably the partial structure of the illuminating device which concerns on Embodiment 1 and 2 and the structure which concerns on each said modification may be sufficient.

1 Ceiling (construction material)
1a Embedded hole 1b Front surface 1c Back surface 1d Side surface (side surface of embedded hole)
DESCRIPTION OF SYMBOLS 10 Light emission part 20 Apparatus main body 21 Cylindrical part 21e Side surface 22 Front end (end part on the opposite side to an insertion direction)
23 Flange portions 24, 24a, 24b Mounting member mounting portion (first movement restricting portion)
24a1, 24a2, 24b1, 24b2 Rail member 24a1a, 24a2a Side wall part 24a1a1, 24a2a1 Front end 24a1b, 24a2b Front wall part 24a1c, 24a2c, 24b1c, 24b2c Groove part 24a1d, 24b2d Groove bottom 25 End (on the insertion direction side)
25a opening 30, 30a, 30b attachment member 31a, 31b attachment piece 31a1, 31b1 wide part 31a1a, 31b1a side edge part 31a2, 31b2 narrow part 31a3, 31b3 shoulder part 31a4 rear end (end part on the insertion direction side)
32a, 32b Arm portion 33a, 33b Consecutive portion 40 Power supply unit (second movement restricting portion)
50,250 Top plate member (second movement restriction part)
100 Illuminator J Tube axis

Claims (9)

A lighting device that is inserted into an embedding hole provided in a construction material and attached to the construction material,
A plurality of attachment members for attachment to the construction material;
On the side surface of the cylindrical portion and the cylindrical portion, the cylindrical portion is provided at intervals in the circumferential direction of the cylindrical portion, and the movement of the plurality of attachment members in the circumferential direction, the insertion direction is A plurality of first movement restricting portions for restricting the movement to the opposite side and the movement in the direction away from the side peripheral surface, and an apparatus main body,
It is attached to the outside of the device main body at the end of the device main body in the insertion direction side, and comes into contact with the end of the attachment direction side of at least one of the plurality of attachment members from the insertion direction side, A second movement restricting portion for restricting movement of the at least one attachment member toward the insertion direction;
A light emitting unit as a light source attached to the apparatus main body,
The lighting device, wherein the second movement restricting unit is a power supply unit that supplies power for causing the light emitting unit to emit light to the light emitting unit . A lighting device that is inserted into an embedding hole provided in a construction material and attached to the construction material,
A plurality of attachment members for attachment to the construction material;
On the side surface of the cylindrical portion and the cylindrical portion, the cylindrical portion is provided at intervals in the circumferential direction of the cylindrical portion, and the movement of the plurality of attachment members in the circumferential direction, the insertion direction is A plurality of first movement restricting portions for restricting the movement to the opposite side and the movement in the direction away from the side peripheral surface, and an apparatus main body,
It is attached to the outside of the device main body at the end of the device main body in the insertion direction side, and comes into contact with the end of the attachment direction side of at least one of the plurality of attachment members from the insertion direction side, A second movement restricting portion for restricting movement of the at least one attachment member toward the insertion direction;
The apparatus main body has an opening at an end on the insertion direction side,
The second movement restricting portion is a plate-like top plate member that seals the opening . The first movement restricting portion for restricting movement of the at least one attachment member allows movement of the at least one attachment member toward the insertion direction;
The first movement restricting portion that restricts movement of the attachment member other than the at least one attachment member restricts movement of the attachment member other than the at least one attachment member toward the insertion direction. The lighting device according to claim 1 or 2 . The attachment member has an attachment piece portion that is in direct contact with the first movement restriction portion and restricted from moving.
The attachment piece portion is adjacent to the wide portion located on the insertion direction side on the opposite side of the insertion direction of the wide portion in a state where movement is restricted by the first movement restriction portion, and the wide portion It consists of narrower narrow parts than
The first movement restricting portion is composed of a pair of rail members elongated in a direction along the tube axis of the tubular portion,
The pair of rail members extend outward from the side peripheral surface, and are arranged to face each other in a circumferential direction of the cylindrical portion, and from a front end of each of the pair of side wall portions. A front wall portion extending in a direction approaching each other along the circumferential direction of the cylindrical portion,
The thickness of the front wall portion is smaller in the region on the insertion direction side than the length of the side wall portion in the direction extending outward from the side peripheral surface, and the front wall portion and the side peripheral surface A groove portion is formed by a gap therebetween, and in the region opposite to the insertion direction, the length of the side wall portion is the same as the length in the direction extending outward from the side peripheral surface, and the front wall A portion, the side peripheral surface, and the side wall portion are integrated to form a groove bottom at a boundary portion between the groove portion,
In a state where both side edges of the wide portion are located in the groove portion,
Said sidewall portion, said wider portion wherein the circumferential side or we contact touch to the side edges of, restricts the movement of the circumferential direction of the mounting member,
The front wall portion is in contact with the both side edges of the wide portion from the outer side of the side peripheral surface, and restricts movement in a direction away from the side peripheral surface of the mounting member,
The groove bottom is in contact with a shoulder portion which is a step at the boundary between the wide portion and the narrow portion from the side opposite to the insertion direction, and moves the mounting member to the side opposite to the insertion direction. It restrict | limits. The illuminating device of any one of Claim 1 to 3 characterized by the above-mentioned. The mounting member has an arm portion that is connected to the side opposite to the insertion direction of the mounting piece and extends in a direction away from the side peripheral surface.
The arm portion is displaceable in a direction toward and away from the attachment piece portion around a continuous region that is a portion continuously provided to the attachment piece portion, and close to the attachment piece portion. In the state to perform, it is urged | biased in the direction away from the said attachment piece part. The illuminating device of Claim 4 characterized by the above-mentioned. The lighting device according to claim 5 , wherein the attachment member is a leaf spring. The lighting device according to claim 5 , wherein the attachment member is formed by bending or bending a wire. The mounting piece part and the arm part are composed of a plate-like member having rigidity,
The arm portion is connected to the attachment piece portion so as to be rotatable about the continuous region,
The attachment member, in a state in which the arm portion is proximate to said mount piece, according to claim 5, characterized in that it comprises a biasing member for biasing the arm portion in a direction away from said mount piece Lighting device. A flange portion extending radially outward from the side peripheral surface at an end of the cylindrical portion opposite to the insertion direction;
When the arm portion is inserted into the embedding hole in a state close to the attachment piece portion,
The flange portion is in contact with the front surface of the construction material,
The arm portion is rotated in a direction away from the attachment piece portion by the biasing in the construction material, and is in contact with a back surface of the construction material or a side surface of the embedded hole. The lighting device according to any one of 5 to 8 .

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