CN209977973U

CN209977973U - LED lamp heat dissipation shell and lamp thereof

Info

Publication number: CN209977973U
Application number: CN201920783090.4U
Authority: CN
Inventors: 何文健; 毛君挺
Original assignee: Zhejiang Chenfeng Science And Technology Co Ltd
Current assignee: Zhejiang Chenfeng Science And Technology Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-21
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a LED lamp heat dissipation shell and lamps and lanterns thereof, this LED lamp heat dissipation shell include the head, the inner wall of head be equipped with a pair of draw-in groove of circuit board both sides block, the inner wall connection of head has the buckle, be equipped with the through-hole on the circuit board, the buckle card goes into the through-hole on the circuit board, the mouth reason of head is equipped with the breach groove, the breach inslot is equipped with the flexure strip, the root and the breach groove tank bottom of flexure strip are connected, be equipped with the clearance between the both sides of flexure strip and the breach groove lateral wall, the buckle is connected in the flexure strip to extend to the radial inboard. The utility model discloses a technical scheme, the buckle can block into the through-hole on the circuit board to withhold the circuit board, make the circuit board more reliable and stable, can avoid the circuit board not hard up to drop.

Description

LED lamp heat dissipation shell and lamp thereof

Technical Field

The utility model relates to a lamps and lanterns technical field.

Background

The circuit board of present LED lamp product is mainly through the draw-in groove structure to it carry out the chucking fixed. However, the LED lamp product (especially a large LED lamp) clamped in the mode is prone to loosening or even falling off in a falling experiment, and an unqualified product is formed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a LED lamp heat dissipation shell is provided, the not hard up drop of circuit board can be avoided.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a LED lamp heat dissipation shell installs the circuit board in it, and this LED lamp heat dissipation shell includes the head, the inner wall of head is equipped with a pair of draw-in groove with circuit board both sides block, the inner wall connection of head has the buckle, be equipped with the through-hole on the circuit board, buckle card goes into the through-hole on the circuit board, the mouth edge of head is equipped with the breach groove, the breach inslot is equipped with the flexure strip, the root and the breach groove tank bottom of flexure strip are connected, be equipped with the clearance between the both sides of flexure strip and the breach groove lateral wall, the buckle is connected in the flexure strip to extend to the radial inboard.

Optionally, a reinforcing rib is arranged between the buckle and the elastic sheet, and the extending length of the reinforcing rib towards the radial inner side is smaller than the extending length of the buckle.

Optionally, the buckle and the through hole are rectangular, the width of the buckle is smaller than that of the through hole in the circuit board, guide angles are arranged on two sides of the width of the head of the buckle, and a guide inclined plane is arranged on the surface of one side, facing the circuit board, of the head of the buckle, which is inserted into the circuit board.

Optionally, the height of the elastic piece is higher than the end face of the head, and the buckle is connected to the elastic piece at the position close to the highest position.

Optionally, the inner wall of the head is provided with a convex rib with a V-shaped radial section, and the two convex ribs are clamped to form the clamping groove.

Optionally, the card slot is provided with a guide opening at the insertion end of the circuit board.

Optionally, in an axial projection of the head, a connecting line of the pair of slots is offset from a center line of the head.

The utility model also provides a lamp, including lamp holder, housing, aluminium base board and a LED lamp heat dissipation shell, the lamp holder is connected with the head of heat dissipation shell, the housing is connected with the afterbody of heat dissipation shell, and the afterbody inside wall of heat dissipation shell is equipped with positioning platform, aluminium base board is installed on positioning platform and is compressed tightly fixedly by the housing.

Furthermore, the oral area of housing is equipped with location step and plug, the afterbody inner wall of heat dissipation shell is equipped with the socket, plug insert plug and location step form location fit with the afterbody terminal surface of heat dissipation shell.

Further, the plug is provided with a convex point, the inner wall of the socket is provided with a groove, and the convex point is clamped into the groove.

The utility model adopts the above technical scheme, following beneficial effect has:

1. when the circuit board passes through the draw-in groove and inserts the heat dissipation shell, withstand the buckle, continue to insert with exerting oneself slightly this moment again, because the buckle is connected in the flexure strip, and be equipped with the clearance between the both sides of flexure strip and the breach groove lateral wall, therefore because the thrust of circuit board, can take place elastic deformation to the outside, when the circuit board inserts to a definite position, because be equipped with the through-hole on the circuit board, the thrust to the buckle disappears, the buckle can be deformed back original position, the card goes into the through-hole on the circuit board, thereby withhold the circuit board, make the circuit board more reliable and more stable, can avoid.

2. The buckle is connected with the strengthening rib, guarantees buckle structural strength, ensures that buckle and heat dissipation shell combine firmly.

3. The buckle size slightly is less than the through-hole on the circuit board, and the buckle is equipped with guide angle and direction inclined plane to do benefit to the circuit board and insert and buckle card income through-hole.

4. The terminal surface and the buckle of the highly higher than head of flexure strip are connected in the flexure strip and are close the highest position, therefore can have great elastic deformation, the buckle card of being convenient for goes into through-hole and guarantees that the block is firm reliable on the circuit board.

5. The two V-shaped convex ribs are clamped to form a clamping groove, so that the clamping groove is easy to form large interference fit with the circuit board, and the circuit board is ensured not to be loosened.

6. The card slot is provided with a guide port at the insertion end of the circuit board for guiding the circuit board to be inserted into the card slot.

7. In order to facilitate the connection between the housing and the heat dissipation shell, the positioning step is adopted for positioning, and the salient points and the grooves are matched and fixed.

The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic structural view of the heat dissipation housing of the LED lamp of the present invention;

fig. 2 is a schematic view of the head structure of the heat dissipation housing of the LED lamp of the present invention;

fig. 3 is an exploded schematic view of the LED lamp of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

fig. 5 is a schematic view of a local structure of the housing of the LED lamp of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be understood that the features of the following examples and embodiments may be combined with each other without conflict.

It is to be understood that the following terms "leading," "trailing," "radial," "inner," "outer," and the like, refer to an orientation or positional relationship as shown in the drawings, which is used for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device/component must be in a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention.

Example one

As shown in fig. 1, fig. 2 and fig. 4, a heat dissipation housing 1 for LED lamp is provided with a circuit board 2 therein, and the heat dissipation housing for LED lamp includes a head 11, the inner wall of the head is provided with a pair of clamping grooves 111 engaged with both sides of the circuit board, the inner wall of the head is connected with a buckle 112, the circuit board is provided with a through hole 21, the buckle 112 is clamped into the through hole 21 on the circuit board, the edge of the mouth of the head is provided with a notch groove 114, the notch groove is provided with an elastic sheet 115, the root of the elastic sheet 115 is connected with the bottom of the notch groove 114, gaps are provided between both sides of the elastic sheet 115 and the side wall of the notch groove 114, and the buckle 112 is connected.

When the circuit board passes through draw-in groove 111 and inserts heat dissipation shell 1, withstand buckle 112, continue to insert with force slightly again this moment, because buckle 112 is connected in flexure strip 115, and be equipped with the clearance between the both sides of flexure strip and the breach groove lateral wall, therefore because the thrust of circuit board, flexure strip 115 can take place elastic deformation to the radial outside, when the circuit board inserts to a definite position, because be equipped with the through-hole on the circuit board, the thrust to buckle 112 disappears, buckle 112 can deform and return original position, the through-hole on the card income circuit board, thereby detain the circuit board, make the circuit board more reliable and more stable, can avoid the circuit board not hard up to drop.

In order to ensure the firm connection between the buckle 112 and the heat dissipation housing 1, a rib 113 is disposed between the buckle 112 and the elastic sheet 115, and the length of the rib 113 extending radially inward is less than the length of the buckle 112. Only the end part of the buckle 112 is clamped into the through hole on the circuit board, and the radial inner side end surface of the reinforcing rib 113 can limit the plane of the circuit board.

To facilitate insertion of the circuit board while the snaps 112 snap into the through holes. The buckle 112 and the through hole are both rectangular, and the width of the buckle 112 is smaller than that of the through hole on the circuit board. And guide angles are arranged on two sides of the width of the head of the buckle 112, and a guide inclined plane is arranged on the surface of one side, facing the circuit board, of the head of the buckle.

Furthermore, the height of the elastic sheet 115 is higher than the end face of the head, and the buckle 112 is connected to the elastic sheet 115 near the highest position, so that the elastic sheet can have larger elastic deformation, and the buckle 112 can be conveniently clamped into a through hole on the circuit board and the clamping is ensured to be firm and reliable.

In one embodiment, the inner wall of the head 11 is provided with a rib having a V-shaped radial cross section, and the two ribs are clamped to form the above-mentioned slot 111. The clamping groove of the structure is easy to form large interference fit with the circuit board, and the circuit board is guaranteed not to loosen. Of course, in order to facilitate the circuit board to be inserted into the card slot 111, the card slot 111 is provided with a guide port, i.e. an inclined plane flaring structure, at the insertion end of the circuit board.

In addition, on the axial projection of the head part of the heat dissipation shell, the connecting line of the pair of clamping grooves deviates from the central line of the head part. The radiating shell comprises a head part 11, and a wire passing groove 116 is arranged on the end face of the head part to facilitate the passing of a wire.

Example two

Referring to fig. 3 to 5, a lamp comprises a base 5, a cover 3, an aluminum substrate 4 and a heat dissipation casing 1 of the LED lamp according to the first embodiment,

the lamp holder 5 is connected with the head of the heat dissipation shell 1, the housing 3 is connected with the tail of the heat dissipation shell 1, a positioning platform 13 is arranged on the inner side wall of the tail of the heat dissipation shell, and the aluminum substrate 4 is installed on the positioning platform 13 and is pressed and fixed by the housing 3.

In one embodiment, the mouth of the housing 3 is provided with a positioning step 32 and a plug 31, the inner wall of the tail of the heat dissipation housing is provided with a socket 12, the plug 31 is inserted into the plug 12, and the positioning step 32 forms a positioning fit with the end face of the tail of the heat dissipation housing.

In order to fix the housing 3 and the heat dissipation housing 1 conveniently, the plug 31 is provided with a convex point 311, the inner wall of the socket 12 is provided with a groove, and the convex point 311 is clamped into the groove. As will be understood by those skilled in the art, in order to ensure reliable fixing, a plurality of bumps 311 are provided in the circumferential direction of the housing 3.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a LED lamp heat dissipation shell installs circuit board, its characterized in that in it: this LED lamp heat dissipation shell includes the head, the inner wall of head be equipped with a pair of draw-in groove of circuit board both sides block, the inner wall connection of head has the buckle, be equipped with the through-hole on the circuit board, the buckle card goes into the through-hole on the circuit board, the mouth reason of head is equipped with the breach groove, the breach inslot is equipped with the flexure strip, the root and the breach groove tank bottom of flexure strip are connected, be equipped with the clearance between the both sides of flexure strip and the breach groove lateral wall, the buckle is connected in the flexure strip and is extended to the radial inboard.

2. The heat dissipation housing of claim 1, wherein: and a reinforcing rib is arranged between the buckle and the elastic sheet, and the extension length of the reinforcing rib towards the radial inner side is smaller than the extension length of the buckle.

3. The heat dissipation housing of claim 2, wherein: the buckle and the through hole are rectangular, the width of the buckle is smaller than that of the through hole in the circuit board, guide angles are arranged on two sides of the width of the head of the buckle, and a guide inclined plane is arranged on one side surface of the head of the buckle, which faces the circuit board, and is inserted into the circuit board.

4. The heat dissipation housing of claim 1, wherein: the height of the elastic sheet is higher than the end face of the head, and the buckle is connected to the elastic sheet at the position close to the highest position.

5. The heat dissipation housing of claim 1, wherein: the inner wall of the head is provided with a convex rib with a V-shaped radial section, and the two convex ribs are clamped to form the clamping groove.

6. The heat dissipation housing of claim 5, wherein: the clamping groove is provided with a guide port at the insertion end of the circuit board.

7. The heat dissipation housing of claim 6, wherein: in the axial projection of the head, the connecting line of the pair of clamping grooves deviates from the central line of the head.

8. A light fixture, characterized by: the LED lamp heat dissipation shell comprises a lamp cap, a cover shell, an aluminum substrate and the LED lamp heat dissipation shell as claimed in any one of claims 1 to 7, wherein the lamp cap is connected with the head of the heat dissipation shell, the cover shell is connected with the tail of the heat dissipation shell, a positioning platform is arranged on the inner side wall of the tail of the heat dissipation shell, and the aluminum substrate is installed on the positioning platform and is pressed and fixed by the cover shell.

9. A light fixture as recited in claim 8, wherein: the oral area of housing is equipped with location step and plug, the afterbody inner wall of heat dissipation shell is equipped with the socket, the plug inserts plug and location step and forms location cooperation with the afterbody terminal surface of heat dissipation shell.

10. A light fixture as recited in claim 9, wherein: the plug is provided with a convex point, the inner wall of the socket is provided with a groove, and the convex point is clamped into the groove.