KR20130049564A

KR20130049564A - Lamp

Info

Publication number: KR20130049564A
Application number: KR1020110114661A
Authority: KR
Inventors: 쯔밍 라이; 요? 황; 숭샹 양
Original assignee: 폭스세미콘 인티그리티드 테크놀로지, 인코포레이티드
Priority date: 2011-11-04
Filing date: 2011-11-04
Publication date: 2013-05-14

Abstract

The present invention provides a lamp having a lamp housing and a lamp cover coupled to the lamp housing. A fixing portion is formed at one end facing the lamp cover of the lamp housing, and a locking protrusion is formed at one end facing the lamp housing of the lamp cover, and the locking protrusion is connected to the lamp cover. And a locking portion formed at a free end of the connecting portion, and the locking portion is locked to the fixing portion so that the lamp cover is mounted to the lamp housing.

Description

Lamp {LAMP}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus, and more particularly, to a lamp in which the lamp cover is easily attached and detached.

Light emitting diodes (LEDs) have high brightness, low operating voltage, low power consumption, easy driving, long life, low pollution, and are widely used in various indoor and outdoor lamps.

The conventional lamp includes a lamp housing, a light emitting diode module accommodated in the lamp housing, and a lamp cover mounted to cover the light emitting diode module in the lamp housing. When the lamp cover is mounted on the lamp housing, first, the through hole of the lamp cover and the hole having a spiral pattern inside the lamp housing are aligned, and then a screw is coupled to each of the plurality of holes that are aligned with each other. The lamp cover is adapted to be mounted to the lamp housing. On the contrary, when the lamp cover is detached from the lamp housing, the plurality of screws are released one by one in the holes.

As described above, in the conventional lamp, when the lamp cover is mounted on the lamp housing or the lamp cover is separated from the lamp housing, the operation is cumbersome and takes a long time.

The present invention has been made in view of the above-described problems of the prior art, and an object thereof is to provide a lamp that is easily removable from a lamp cover.

The present invention for achieving the above object provides a lamp having a lamp housing and a lamp cover coupled to the lamp housing. A fixing portion is formed at one end facing the lamp cover of the lamp housing, and a locking protrusion is formed at one end facing the lamp housing of the lamp cover, and the locking protrusion is connected to the lamp cover. And a locking portion formed at a free end of the connecting portion, and the locking portion is locked to the fixing portion so that the lamp cover is mounted to the lamp housing.

In the lamp according to the present invention, since the lamp cover is mounted on the lamp housing through a simple coupling of the lamp cover and the fixing part of the lamp housing, the lamp cover is mounted on the lamp housing using a screw, compared to the conventional lamp. , The operation is simple and the operation time is saved. In addition, the lamp cover can be easily attached or detached.

1 is an exploded view of a lamp according to a first embodiment of the present invention.
2 is a perspective view of the assembled state of the lamp shown in FIG.
3 is an exploded view of a lamp according to a second embodiment of the present invention.
FIG. 4 is a perspective view at another point of time of the lamp cover shown in FIG. 3. FIG.
5 is an exploded view of a lamp according to a third embodiment of the present invention.

Hereinafter, a lamp according to the present invention will be described in detail with reference to the exemplary drawings.

1 and 2 are exploded views of the lamp 100 according to the first embodiment of the present invention. The lamp 100 includes a lamp housing 20, a clamp 10 fixed to one end of the lamp housing 20, and a lamp cover 30 coupled to the other end of the lamp housing 20. do.

The clasp 10 is electrically connected to a power source (not shown) to supply driving power to the lamp 100. Here, the clasp 10 is a standardized device. Thus, the lamp 100 can directly replace a traditional incandescent lamp.

The lamp housing 20 includes a lamp cup 21, a mounting plate 22 provided at one end of the lamp cup 21 (that is, the other end of the housing 20 described above), and the mounting plate 22. A plurality of light emitting diodes 23 are provided. In this embodiment, although the quantity of the said light emitting diodes 23 is three, it can install suitably as needed.

The lamp cup 21 is made of a material having excellent thermal conductivity such as aluminum, copper, and the like. The lamp cup 21 has a shape in which the diameter gradually decreases from the upper end portion to the lower end portion, and the clasp 10 is disposed at a small diameter portion (small diameter portion, a lower diameter portion) of the lamp cup 21. The mounting plate 22 is installed on a large diameter portion (large diameter upper end portion) of the lamp cup 21. A driving circuit module (not shown) is accommodated in the lamp cup 21. The driving circuit module is electrically connected to the light emitting diode 23 and the clasp 10. On the outer circumferential surface of the lamp cup 21, a plurality of heat dissipation fins 211 extending outward along the radial direction of the lamp cup 21 are formed. The heat dissipation fins 211 are used to dissipate heat emitted from the light emitting diodes 23 to the outside.

The mounting plate 22 has a disc shape, the size of which corresponds to the large diameter portion of the lamp cup 21. On the edge of the upper surface of the mounting plate 22, a plurality of fixing portions 221 are opened at equal intervals. In this embodiment, although the quantity of the said fixing | fixed part 221 is three pieces, it can install suitably as needed. Each fixing portion 221 has a long shape along its circumferential direction. One end side wall in each fixing part 221 is formed with a hanger 2211 extending along the circumferential direction so as to face the other end side wall. A fastener 2212 is formed between the hanger 2211 and the other end sidewall of the fixing part 221, and an inner wall of the hanger 2211 and the fixing part 221 (the center of the mounting plate 22). A first slide groove 2213 is formed between the sidewalls adjacent to each other, and a second slide groove 2214 is formed between the latch 2211 and the bottom of the fixing part 221. The first slide groove 2213 and the second slide groove 2214 are perpendicular to each other. That is, the first slide groove 2213 is open along the thickness direction of the mounting plate 22, and the second slide groove 2214 is open along the radial direction of the mounting plate 22. to be. The ball 2212, the first slide groove 2213 and the second slide groove 2214 communicate with each other. The hanging bars 2211 in the plurality of fixing parts 221 are all stretched in the same direction. In the present embodiment, the plurality of hooks 2211 are extended in the counterclockwise direction along the mounting plate 22.

The lamp cover 30 is made of a light-transmissive material and has a hollow hemispherical structure in a half-opened and semi-closed state. The lamp cover 30 is coupled to the mounting plate 22 fixed to the large diameter portion of the lamp cup 21 to cover the plurality of light emitting diodes 23 installed on the mounting plate 22. The contact part 31 is formed in the opening part (side toward the lamp housing 20) of the said lamp cover 30. As shown in FIG. A plurality of locking projections 32 corresponding to the plurality of fixing portions 221 of the mounting plate 22 are formed in the contact portion 31 at equal intervals, respectively. In this embodiment, although the number of the said projections 32 is three pieces, it can install suitably as needed. Each locking projection 32 has a generally "L" shape and is connected from the free end of the connecting portion 321 and the connecting portion 321 extending from the contact portion 31 toward the lamp housing 20. The locking part 322 extended in the outward direction of the lamp cover 30 is provided.

When the lamp cover 30 is mounted on the lamp housing 20, the locking portion 322 of each locking protrusion 32 is positioned at the end 2212 of the fixing portion 221 of the mounting plate 22. After fitting, an external force is applied to the lamp cover 30 so that the locking portion 322 is accommodated in the hook 2212, and the locking protrusion 32 is a locking stand 2211 of the fixing portion 221. The lamp cover 30 is rotated clockwise until abuts against the protruding side wall. In this rotation process, the connecting portion 321 of the locking projection 32 slides along the first slide groove 2213 of the fixing portion 221 and at the same time, the locking portion 322 of the locking projection 32. ) Slides along the second slide groove 2214 of the fixing part 221. At this time, the locking portion 322 of the locking protrusion 32 is caught by the locking portion 2211 of the fixing portion 221 and the lamp cover 30 is mounted on the lamp housing 20. When the lamp cover 30 is separated from the lamp housing 20, the lamp cover 30 is rotated in the opposite direction (counterclockwise), and then the lamp cover 30 is rotated from the lamp housing 20. Lift from the

In the lamp 100, the lamp cover 30 is connected to the lamp housing 20 by a simple coupling between the locking protrusion 32 of the lamp cover 30 and the fixing part 221 of the lamp housing 20. ), The operation is simpler and operation time is saved compared to the conventional lamp, which used a screw to mount the lamp cover to the lamp housing.

3 is an exploded view of the lamp 100a according to the second embodiment of the present invention. The structure of the lamp 100a according to the present embodiment is similar to that of the lamp 100 according to the first embodiment. The difference is that the plurality of fixing portions 222 are provided at equal intervals along the circumferential direction of the mounting plate 22a on the upper surface near the edge of the mounting plate 22a. In this embodiment, although the quantity of the said fixing | fixed part 222 is three pieces, it can install suitably as needed. Each fixing portion 222 has a long shape along its circumferential direction. Each fixing part 222 includes a first accommodating hole 2221 located at one end, a second accommodating hole 2222 located at the other end, the first accommodating hole 2221 and the second accommodating hole 2222. It has a bow-shaped connecting groove (2223) for connecting. The first accommodation hole 2221 and the second accommodation hole 2222 both have a circular shape, and the diameter of the first accommodation hole 2221 is larger than the diameter of the second accommodation hole 2222. Big. The width of the connection groove 2223 is smaller than the diameter of the first accommodation hole 2221 and the second accommodation hole 2222. In the connecting groove 2223, the width of the opening side is smaller than the width of the bottom wall side. As shown in FIG. 4, the engaging projection 32a of the lamp cover 30a shows a mushroom shape, and a joint portion extending from the contact portion 31 of the lamp cover 30a toward the lamp housing 20a. 321a and a locking portion 322a formed at the free end of the junction 321a and larger in size than the junction 321a. The connecting portion 321a has a pillar shape, and the locking portion 322a has a hemisphere shape.

When the lamp cover 30a is mounted on the lamp housing 20a, the locking portion 322a of each locking protrusion 32a is disposed in the first accommodation hole of the fixing portion 222 of the mounting plate 22a. 2221, and then an external force is applied to the lamp cover 30a so that the locking portion 322a is accommodated in the first accommodation hole 2221, and the locking projection 32a is accommodated in the second accommodation. The lamp cover 30a is rotated counterclockwise until it reaches the hole 2222. In this rotation process, the connecting portion 321a of the locking protrusion 32a slides along the first connection hole 2223 of the fixing portion 222. At this time, the connecting portion 321a of the locking projection 32a is located in the second accommodation hole 2222 of the fixing portion 222, and at the same time, the locking portion 322a is located in the second accommodation hole 2222. The lamp cover 30a is mounted to the lamp housing 20a by being caught by the inner edge of the head. When the lamp cover 30a is separated from the lamp housing 20a, the lamp cover 30a is rotated counterclockwise, and then the lamp cover 30a is lifted from the lamp housing 20a. do.

5 is an exploded view of the lamp 100b according to the third embodiment of the present invention. The structure of the lamp 100b according to the present embodiment is similar to that of the lamp 100 according to the first embodiment. Another difference is that the plurality of fixing portions 223 are provided at equal intervals along the circumferential direction of the mounting plate 22b at a portion near the edge of the mounting plate 22b. In this embodiment, although the number of the said fixing | fixed parts 223 is three, it can install suitably as needed. Each fixing portion 223 has a long shape along its circumferential direction. Each fixing part 222 includes a first accommodating groove 2231 and a second accommodating groove 2232 which are perpendicular to each other. That is, the first accommodating groove 2231 is open to the upper surface of the mounting plate 22b at a predetermined depth along the thickness direction, and the second accommodating groove 2232 is the first accommodating groove 2231. It is in the state opened to the periphery of the said mounting plate 22b from the bottom part. As a result, a separator 2233 is formed between the first accommodating groove 2231 and the second accommodating groove 2232. The separator 2233 is positioned at an edge of the mounting plate 22b. The engaging projection 32b of the lamp cover 30b is formed from a connecting portion 321b extending from the contact portion 31 of the lamp cover 30b toward the lamp housing 20b and a free end of the connecting portion 321b. It has a catching part 322b extended outward. The locking portion 322b has a wedge shape and has an inclined surface 323 facing the lamp housing 20b.

When the lamp cover 30b is mounted on the lamp housing 20b, each of the locking protrusions 32b of the lamp cover 30b is provided with a first accommodating groove of the fixing portion 223 of the mounting plate 22b. 2223, an external force is applied to the lamp cover 30b. Then, the inclined surface 323 of the locking portion 322b of the locking protrusion 32b is accommodated in the second accommodation groove 2232 while being slid along the choke 2223 of the fixing portion 223. At this time, the connecting portion 31b of the locking projection 32b is elastically deformed to the inside of the lamp cover 30b. Accordingly, after the locking portion 322b of the locking protrusion 32b is accommodated in the second accommodation groove 2232, the connecting portion 31b is restored to its original state, so that the locking portion 322b is the cutting rod 323. ), The lamp cover 30b is mounted to the lamp housing 20b.

As mentioned above, although this invention was demonstrated using preferable embodiment, the scope of the present invention is not limited to a specific embodiment and should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100, 100a, 100b --- lamp
10 --- clasp
20, 20a, 20b --- lamp housing
21 --- lamp cup
211 --- Heatsink Fins
22, 22a, 22b --- Mounting Plate
221 --- fixing part
2211 --- Hanger
2212 --- Loan
2213 --- first slide groove
2214 --- Second slide groove
222 --- Fixed part
2221 --- first receiving hole
2222 --- 2nd receiving hole
2223 --- Connecting groove
223 --- Fixed part
2231 --- First Receiving Groove
2232 --- Second Receiving Groove
2233 --- Garth
23 --- light emitting diode
30, 30a, 30b --- lamp cover
31 --- Contact
32, 32a, 32b --- obstacle
321, 321a, 321b --- Connection
322, 322a, 322b --- Engagement
323 --- slope

Claims

A lamp having a lamp housing and a lamp cover coupled to the lamp housing, the lamp comprising:
A fixing portion is formed at one end facing the lamp cover of the lamp housing, and a locking protrusion is formed at one end facing the lamp housing of the lamp cover to engage with the fixing portion.
The locking projection includes a connection portion connected to the lamp cover and a locking portion formed at a free end of the connection portion.
The lamp cover is characterized in that the lamp cover is mounted to the lamp housing by engaging the locking portion.

The method of claim 1,
The lamp housing includes a lamp cup and a disc-shaped mounting plate installed at one end of the lamp cup.
And the fixing part is formed on a surface of the mounting plate that faces the lamp cover.

The method of claim 2,
The number of the fixing portion is a plurality, the plurality of fixing portions are distributed at equal intervals along the circumferential direction on the edge of the mounting plate,
The number of the locking projections is a plurality of lamps, characterized in that each of the locking projections corresponding to the plurality of fixing parts.

The method of claim 3,
One end side wall in each fixing part is formed with a hanger extending along the circumferential direction so as to face the other end side wall, and a hook is formed between the hanger and the other end side wall of the fixing part. A first slide groove is formed between the side walls, and a second slide groove is formed between the hanger and the bottom of the fixing part, and the joint, the first slide groove, and the second slide groove communicate with each other. ,
The locking projection is accommodated in the fixing portion by the hook, and when the lamp cover is rotated, the connecting portion slides along the first slide groove, and the locking portion slides along the second slide groove and is caught by the latch. The lamp characterized in that the.

The method of claim 3,
Each fixing part connects a first accommodation hole, a second accommodation hole having a diameter smaller than the first accommodation hole, and connects the first accommodation hole and the second accommodation hole, and the width of the first accommodation hole and the second accommodation hole. Provided with a bow-shaped connecting groove smaller than the diameter of the hole,
The bow-shaped connecting groove is elongated along the circumferential direction of the mounting plate,
The locking projection is accommodated in the fixed portion by the first accommodation hole, and when the lamp cover is rotated, the connecting portion slides to the second accommodation hole along the connection groove so that the locking portion is located inside the second accommodation hole. A lamp characterized by being hooked.

The method of claim 5,
The connecting portion represents a pillar shape, and the locking portion is characterized in that the hemispherical shape lamp.

The method of claim 3,
Each fixing part has a first accommodation groove and a second accommodation groove which are perpendicular to each other,
The first accommodating groove is opened at a predetermined depth along the thickness direction on the upper surface of the mounting plate, the second accommodating groove is opened to the periphery of the mounting plate from the bottom of the first accommodating groove, the first Separation band is formed between the receiving groove and the second receiving groove,
The locking projection is a lamp, characterized in that the first receiving groove is inserted into the fixing portion so that the locking portion is accommodated in the second receiving groove and caught on the choke.

The method of claim 7, wherein
The locking portion has a wedge shape and has an inclined surface facing the lamp housing,
And when the lamp cover is mounted to the lamp housing, an inclined surface of the locking portion of the locking protrusion slides along the cutting band, and the connecting portion of the locking protrusion is elastically deformed to the inside of the lamp cover.