JP2013101864A - Lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lamp capable of facilitating mounting and dismounting of a lamp shade.SOLUTION: The lamp 100 includes a lamp body 20 having light-emitting portions 23, and the lamp shade 30 covering the light-emitting portions 23. Mounting grooves 221 are formed at an end of the lamp body 20 in the vicinity of the lamp shade 30, and engagement pieces 32 arranged at locations corresponding to the mounting grooves 221 are arranged at an end of the lamp shade 30 in the vicinity of the lamp body 20. Each engagement piece 32 includes a linking part 321 connected with the lamp shade 30 and projecting from the end of the lamp shade 30, and an engagement part 322 formed at an end of the linking part 321. The lamp shade 30 is mounted on the lamp body 20 by making the engagement part 322 engaged with the mounting grooves 221.

Description

  The present invention relates to a lighting device, and more particularly to a lamp.

  Light emitting diodes (LEDs) are widely applied to various lamps because they have advantages such as long life, low power consumption, and environmental friendliness without using any mercury. A conventional lamp includes a lamp housing, an LED module accommodated in the lamp housing, and a lamp shade mounted on the lamp housing and covering the LED module. When the lamp shade is attached to the lamp housing, the through hole of the lamp shade is aligned with the screw hole of the lamp housing, and the screw is passed through the through hole and screwed into the screw hole. Install in the lamp housing.

However, in the above-described conventional technology, it is necessary to use a specific operating tool when attaching or removing the lamp shade, and the attaching / detaching operation of the lamp shade is complicated.
In view of the above problems, an object of the present invention is to provide a lamp capable of easily attaching and detaching a lamp shade.

  The lamp according to the present invention includes a lamp body having a light emitting portion and a lamp shade covering the light emitting portion, and an attachment groove is provided at an end portion of the lamp body close to the lamp shade, and the lamp An engagement piece disposed at a position corresponding to the mounting groove is provided at an end portion of the shade adjacent to the lamp body, and the engagement piece is connected to the lamp shade and connected to the end of the lamp shade. A connecting portion projecting from a portion, and an engaging portion formed at a tip of the connecting portion, and the engaging portion is engaged with the mounting groove, whereby the lamp shade is attached to the lamp body. Is done.

  In the lamp according to the present invention, the lamp shade can be attached to the lamp body simply by engaging the engaging portion of the engagement piece with the attachment groove, and the lamp shade is attached to the lamp body. Since it can be easily removed, the operation is simple and the cost is low.

It is an exploded view of the lamp | ramp which concerns on 1st embodiment of this invention. FIG. 2 is an assembly diagram of the lamp shown in FIG. 1. It is an exploded view of the lamp | ramp which concerns on 2nd embodiment of this invention. FIG. 4 is a perspective view of a lamp shade viewed from an angle different from that in FIG. 3. It is an exploded view of the lamp | ramp which concerns on 3rd embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 and 2, the lamp 100 according to the first embodiment of the present invention is attached to a lamp socket 10, a lamp body 20 fixed to the lamp socket 10, and the lamp body 20. A lamp shade 30.

  The lamp socket 10 is used for electrical connection to a power source (not shown). The lamp socket 10 is a standard socket, and the lamp 100 can be replaced with a conventional incandescent lamp or a compact fluorescent lamp.

  The lamp body 20 includes a lamp housing 21, a mounting plate 22 provided at an end of the lamp housing 21, and three light emitting diodes 23 (light emitting units) provided on the mounting plate 22.

  The lamp housing 21 is made of a material having excellent thermal conductivity such as copper or aluminum. The lamp housing 21 has a funnel shape, and the outer diameter is gradually reduced from the top to the bottom. The lamp socket 10 is connected to the lower end of the lamp housing 21. The mounting plate 22 is disposed at the upper end of the lamp housing 21. The lamp housing 21 accommodates a drive circuit module (not shown) that is electrically connected to the light emitting diode 23 and the lamp socket 10. A plurality of heat radiation fins 211 are formed on the outer surface of the lamp housing 21 to dissipate the amount of heat generated from the light emitting diodes 23 toward the outside.

  The mounting plate 22 has a disk shape, and three mounting grooves 221 that are notched in steps are mounted on the peripheral edge of the upper surface, that is, the corner between the outer peripheral surface and the upper surface of the mounting plate 22. The plates 22 are arranged evenly in the circumferential direction and are rotationally symmetrical (120 degrees) around the axis of the mounting plate 22. The mounting groove 221 has an elongated shape extending along the circumferential direction of the mounting plate 22. A latch bar 2211 is provided in each mounting groove 221. The latch bar 2211 extends along the circumferential direction of the mounting plate 22 from one end to the other end in the length direction of the mounting groove 221, and has a free end at the front end of the latch bar 2211. And a notch 2212 is formed between the mounting groove 221 and the other end. The latch bar 2211 is disposed with a gap in the radial direction of the mounting plate 22 with respect to the inner wall extending along the circumferential direction of the mounting groove 221, and the latch bar 2211 and the mounting groove A first slot 2213 is formed between the inner wall of 221. The latch bar 2211 is disposed with a gap in the axial direction of the mounting plate 22 with respect to the bottom wall of the mounting groove 221, and between the latch bar 2211 and the bottom wall of the mounting groove 221. A second slot 2214 that penetrates the outer peripheral surface of the mounting plate 22 is formed so that a slot width direction and a slot depth direction are orthogonal to the first slot 2213. The notch 2212, the first slot 2213, and the second slot 2214 are in communication with each other. In the present embodiment, the three latch bars 2211 extend in the counterclockwise direction from one end of the mounting groove 221 in a top view.

  The light emitting diodes 23 are provided at the center of the upper surface of the mounting plate 22 and are arranged in a straight line.

  The lamp shade 30 is a hollow hemispherical cover made of a translucent material and having an open bottom. The lamp shade 30 is attached to the attachment plate 22 and covers the light emitting diode 23. An annular contact portion 31 that contacts the mounting plate 22 is formed at the bottom end of the lamp shade 30. The contact portion 31 is provided with three engagement pieces 32 that are evenly arranged in the circumferential direction of the contact portion 31. Each of the engagement pieces 32 has an approximately L shape, and is connected to a connecting portion 321 protruding from the contact portion 31 toward the lamp body 20, and from the connection portion 321 to the outside of the contact portion 31 in the radial direction. And an engaging portion 322 protruding toward the front.

  As shown in FIGS. 1 and 2, when the lamp shade 30 is attached to the lamp body 20, first, the engagement portion 322 of the engagement piece 32 of the lamp shade 30 is cut into the cut 2212 of the attachment groove 221 of the attachment plate 22. Then, the lamp shade 30 is moved downward relative to the lamp body 20, and the connecting portion 321 and the engaging portion 322 of the engaging piece 32 of the lamp shade 30 are moved to the notch 2212. Contain. Thereafter, the lamp shade 30 is rotated in a clockwise direction as viewed from above with respect to the lamp body 20, and the connecting portion 321 of the engagement piece 32 is moved along the first slot 2213 of the mounting groove 221. At the same time, the engagement portion 322 of the engagement piece 32 is moved along the second slot 2214 of the attachment groove 221, and the engagement piece 32 is moved to the one end of the latch bar 2211 of the attachment groove 221, that is, the latch bar 2211. This is brought into contact with the inner surface of the mounting groove 221 on the proximal end side. At this time, the engaging portion 322 of the engaging piece 32 is also engaged with the latch bar 2211. Thus, the attachment of the lamp shade 30 to the lamp body 20 is completed. When the lamp shade 30 is removed, it is only necessary to perform an operation reverse to the above-described mounting operation. That is, first, the lamp shade 30 is rotated in a counterclockwise direction when viewed from above with respect to the lamp body 20, so that the connecting portion 321 and the engaging portion 322 of the engaging piece 32 are moved to the notch 2212. Then, the lamp shade 30 is moved upward relative to the lamp body 20. Thus, the lamp shade 30 can be removed from the lamp body 20. Therefore, the attaching / detaching operation of the lamp shade 30 is facilitated and the cost is reduced as compared with the conventional fastening structure using screws.

  As shown in FIG. 3, the lamp 100a of the second embodiment according to the present invention is substantially the same in structure as the lamp 100 according to the first embodiment, and therefore only the parts different from the first embodiment described above. This will be described in detail. In the lamp 100a, only one light emitting diode is provided at the central portion of the mounting plate 22a, and the outer peripheral portion of the upper surface of the mounting plate 22a is evenly arranged in the circumferential direction of the mounting plate 22a. Three mounting grooves 222 are provided. The mounting groove 222 is located on the inner side in the radial direction with respect to the outer edge of the mounting plate 22a, and penetrates the mounting plate 22a. The mounting groove 222 has an elongated shape and extends along the circumferential direction of the mounting plate 22a. Each attachment groove 222 includes a first accommodation hole 2221 located at one end in the length direction of the attachment plate 22a, a second accommodation hole 2222 located at the other end in the length direction, and the first accommodation hole 2221. And a slot 2223 that connects the second accommodation hole 2222.

  The first accommodation hole 2221 and the second accommodation hole 2222 are circular holes as viewed from above, and the diameter of the first accommodation hole 2221 is larger than the diameter of the second accommodation hole 2222. The slot 2223 has an elongated arch shape extending along the circumferential direction, and the width is smaller than the diameter of the second receiving hole 2222. The first accommodation hole 2221 is positioned in a clockwise direction with respect to the second accommodation hole 2222 in a top view. Referring to FIG. 4, the engaging piece 32a of the lamp shade 30a includes a columnar connecting portion 321a projecting from the abutting portion 31 of the lamp shade 30a toward the lamp body 20a, and a tip end of the connecting portion 321a. And a hemispherical engaging portion 322a having a larger diameter than the outer diameter of the connecting portion 321a.

  When the lamp shade 30a is mounted on the lamp body 20a, the engaging piece 32a of the lamp shade 30a is first aligned with the first receiving hole 2221 of the mounting groove 222 of the mounting plate 22a, and then the lamp shade 30a is moved. It is moved downward relative to the lamp body 20a. Thereafter, the lamp shade 30a is rotated in a counterclockwise direction when viewed from above with respect to the lamp body 20a, and the connecting portion 321a of the engagement matter 32a is moved along the slot 2223 of the mounting groove 222. The connecting portion 321 a of the engagement matter 32 a is accommodated in the second accommodation hole 2222 of the attachment groove 222. At this time, the engagement portion 322a of the engagement piece 32a is engaged with the second accommodation hole 2222 of the mounting plate 22a from below. Thus, the attachment of the lamp shade 30a to the lamp body 20a is completed. When removing the lamp shade 30a, first, the lamp shade 30a is rotated in the clockwise direction relative to the lamp main body 20a so that the engaging portion 322a of the engaging piece 32a is in the first receiving hole. The lamp shade 30a can be removed from the lamp body 20a simply by aligning with 2221 and then moving the lamp shade 30a upward relative to the lamp body 20a. Therefore, the lamp shade 30a can be easily attached / detached at a lower cost than a conventional fastening structure using screws.

  As shown in FIG. 5, the lamp 100b of the third embodiment according to the present invention is substantially the same in structure as the lamp 100 according to the first embodiment, and therefore only the parts different from the first embodiment described above. This will be described in detail. The mounting plate 22b is provided with three mounting grooves 223 that are evenly arranged in the circumferential direction of the mounting plate 22b. Each mounting groove 223 has an L shape in cross section, and includes a first receiving slot 2231 and a second receiving slot 2232 whose slot width direction and slot depth direction are orthogonal to the first receiving slot 2231. . The first receiving slot 2231 is recessed downward from the upper surface of the mounting plate 22b. The second receiving slot 2232 is recessed from the outer peripheral surface of the mounting plate 22b toward the inner side in the radial direction of the mounting plate 22b, and communicates with the first receiving slot 2231. That is, the second accommodation slot 2232 extends vertically from the bottom of the first accommodation slot 2231 toward the outside in the radial direction of the mounting plate 22b. A latch bar between the opening of the first storage tank 2231 and the opening of the second storage tank 2232 is positioned at the outer edge of the mounting plate 22b and extends along the circumferential direction of the mounting plate 22b. 2233 is formed. The engaging piece 32b includes a connecting portion 321b that protrudes from the contact portion 31 toward the lamp body 20b, and an engagement that protrudes outward from the tip of the connecting portion 321b in the radial direction of the contact portion 31. A joint portion 322b. A slope 323 inclined with respect to the upper surface of the mounting plate 22b of the lamp body 20b is formed on the distal end side of the engaging portion 322b.

  When the lamp shade 30b is attached to the lamp body 20b, the engaging piece 32b of the lamp shade 30b is first aligned with the first receiving slot 2231 of the attachment groove 223 of the attachment plate 22b, and then the lamp shade 30b is moved to the lamp body 30b. It is moved downward relative to the lamp body 20b. As a result, the slope 323 of the engagement piece 32b first contacts the latch bar 2233, and then the slope 323 slides relative to the latch bar 2233, while the connecting portion 321b of the engagement piece 32b moves to the lamp shade 30b. It is elastically deformed toward the inner side. As a result, when the engaging portion 322 b exceeds the latch bar 2233, it is inserted into the first receiving slot 2231 of the mounting groove 223. Then, the connection portion 321b of the engagement matter 32b that has been elastically deformed is restored to its original shape, and the engagement portion 322b is accommodated in the second accommodation slot 2232 of the mounting groove 223, with respect to the latch bar 2233. It is engaged from below. Thus, the attachment of the lamp shade 30b to the lamp body 20b is completed.

In the present invention, the number of mounting grooves and engaging pieces is not limited to three, and these numbers can be changed as appropriate, but the number of mounting grooves and engaging pieces may be plural. preferable.

100, 100a, 100b Lamp 10 Lamp socket 20, 20a, 20b Lamp body 21 Lamp housing 211 Radiation fins 22, 22a, 22b Mounting plate 221, 222, 223 Mounting groove 2211, 2233 Latch bar 2212 Cut slot 2213 First slot 2214 Second Slot 2221 1st accommodation hole 2222 2nd accommodation hole 2223 Slot 2231 1st accommodation slot 2232 2nd accommodation slot 23 Light emitting diode (light emission part)
30, 30a, 30b Lamp shade 31 Contact portion 32, 32a, 32b Engagement piece 321, 321a, 321b Connection portion 322, 322a, 322b Engagement portion 323 Slope

Claims (10)

A lamp comprising a lamp body having a light emitting part, and a lamp shade covering the light emitting part,
An attachment groove is provided at an end portion of the lamp body that is close to the lamp shade,
An engagement piece disposed at a position corresponding to the mounting groove is provided at an end portion of the lamp shade adjacent to the lamp body,
The engaging piece includes a connecting portion connected to the lamp shade and projecting from an end portion of the lamp shade, and an engaging portion formed at a tip of the connecting portion, and the engaging portion is the attachment The lamp, wherein the lamp shade is attached to the lamp body by being engaged with a groove.   The lamp body according to claim 1, wherein the lamp body includes a lamp housing and a mounting plate provided at an end of the lamp housing, and the mounting groove is provided on an upper surface of the mounting plate. lamp. The mounting plate has a disk shape,
A plurality of the mounting grooves are provided, and are arranged equally in the circumferential direction of the mounting plate, and the engagement pieces are provided in a plurality and arranged at positions corresponding to the mounting grooves. The lamp according to claim 2. A latch bar is provided in each mounting groove, and the latch bar extends from one end to the other end in the length direction of the mounting groove along the circumferential direction of the mounting plate, A notch is formed between the other end of the mounting groove,
The latch bar is disposed with a gap in the radial direction of the mounting plate with respect to the inner wall extending along the circumferential direction of the mounting groove, and the latch bar and the inner wall of the mounting groove A first slot is formed between them,
The latch bar 2211 is disposed with a gap in the axial direction of the mounting plate with respect to the bottom wall of the mounting groove, and is perpendicular to the first slot between the latch bar and the bottom wall. A second slot penetrating the outer peripheral surface of the mounting plate is formed,
The incision, the first slot and the second slot are in communication with each other;
After the engaging piece is inserted into the mounting groove from the cut opening, the lamp shade is rotated around the axis of the mounting plate relative to the lamp body, and the connecting portion is set to the first slot. The lamp according to claim 3, wherein the engaging portion is engaged in the second slot by moving along the second slot.   5. The mounting plate is provided with a light emitting diode as the light emitting portion, and a drive circuit module electrically connected to the light emitting diode is accommodated in the lamp housing. The lamp according to any one of the above.   The lamp housing according to any one of claims 1 to 5, wherein the lamp housing is made of a material having excellent heat conductivity, and a plurality of heat radiation fins are provided on an outer peripheral surface of the lamp housing. . Each of the mounting grooves includes a first housing hole, a second housing hole, and a slot connecting the first housing hole and the second housing hole, and the diameter of the first housing hole is the first housing hole. Larger than the diameter of the second receiving hole, the slot is an elongated arch extending along the circumferential direction, and the width is smaller than the diameter of the second receiving hole;
The engagement piece is inserted into the mounting groove from the first accommodation hole, and then the lamp shade is rotated around the axis of the mounting plate relative to the lamp body, and the connecting portion is moved to the slot. The lamp according to claim 3, wherein the engaging portion is engaged with the second receiving hole by moving along the second receiving hole.   The lamp according to claim 7, wherein the connecting portion of the engaging piece has a cylindrical shape, and the engaging portion has a hemispherical shape having a diameter larger than an outer diameter of the connecting portion. The mounting groove includes a first receiving slot and a second receiving slot that is orthogonal to and communicates with the first receiving slot, and the first receiving slot is recessed downward from the upper surface of the mounting plate. The second receiving slot extends vertically from the bottom of the first receiving slot toward the radially outer side of the mounting plate, and includes an opening of the first receiving tank and an opening of the second receiving tank. In between, a latch bar located at the outer edge of the mounting plate is formed,
4. The engaging piece is received in the second receiving slot and engaged with the latch bar by inserting the engaging piece from the first receiving slot into the mounting groove. Lamp according to item. The engaging portion is formed with a slope inclined with respect to the upper surface of the mounting plate,
10. The lamp according to claim 9, wherein when the lamp shade is attached to the lamp main body, the connecting portion of the engagement piece is elastically deformed by the slope being in contact with the latch bar.

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