A light-emitting device press-fit assembly device

Abstract

The utility model discloses a light-emitting device press-fit assembly device, including a fixing member, a connecting member and a pressurizing component, a base is arranged on the fixing member, a lens is arranged on the base, a connecting member is used to connect to a press, and a pressurizing component is arranged between the fixing member and the connecting member and connected to the connecting member; at least one clamping part is arranged on the lens, at least one clamping matching part corresponding to the clamping part is arranged on the base, and the pressurizing component includes at least one pressurizing member corresponding to the clamping part, and the pressurizing member presses the clamping part on the lens into the clamping matching part through the pressure given by the connecting member; an elastic buffer is arranged between the pressurizing member and the connecting member and / or the pressurizing member and the lens, and when the clamping part is pressed, the pressurizing member adaptively adjusts the distance between the pressurizing member and the connecting member and / or the lens through the elastic buffer. The utility model is provided with an elastic buffer, which can play a buffering role, avoid the problem of excessive pressing, and there is no need to worry about insufficient pressing.

Description

Technical Field

[0001] The utility model belongs to the technical field of automated production of light emitting devices, and in particular relates to a light emitting device pressing and assembling device. Background Art

[0002] The assembly process of the existing LED lighting device is: firstly fix the lighting board on the base by means of a first screw, then cover the lens board on the lighting board and fix the lens board and the base by means of the first screw.

[0003] However, in the above-mentioned assembly method, the light-emitting board is installed by manually screwing the first screw, which not only has low production efficiency but also high material and labor costs, and is difficult to automate. In addition, the lens board is fixed to the base by the first screw. If the first screw is screwed too tight, the lens is easily crushed, and if the first screw is screwed too loose, the lens and the base are not sufficiently fitted, which makes it difficult to ensure the reliability of the waterproof, heat dissipation, and light distribution performance of the produced light-emitting device. Utility Model Content

[0004] In view of the problems in the background technology, the purpose of the utility model is to provide a light-emitting device press-fit assembly device, which is used to press-fit and fix a lens on a base, comprising a fixing member, a connecting member and a pressurizing assembly, wherein the base is arranged on the fixing member, the lens is arranged on the base, the connecting member is used to be connected to a press machine, and the pressurizing assembly is arranged between the fixing member and the connecting member and connected to the connecting member;

[0005] The lens is provided with at least one engaging portion, the base is provided with at least one engaging fitting portion corresponding to the engaging portion, the pressurizing assembly comprises at least one pressurizing member corresponding to the engaging portion, and the pressurizing member presses the engaging portion on the lens into the engaging fitting portion through the pressure given by the connecting member;

[0006] An elastic buffer is provided between the pressurizing member and the connecting member and / or between the pressurizing member and the lens. When the clamping portion is pressed, the pressurizing member adaptively adjusts the distance between the pressurizing member and the connecting member and / or the lens through the elastic buffer.

[0007] Preferably, at least one of the snap-fitting parts includes an edge snap-fitting part, and the edge snap-fitting part is extended along the peripheral edge of the lens;

[0008] At least one of the snap-fitting parts includes an edge snap-fitting part, and the edge snap-fitting part is arranged corresponding to the edge snap-fitting part;

[0009] At least one of the pressure members includes an edge pressure member, and the edge pressure member is arranged corresponding to the edge clamping portion.

[0010] Preferably, the edge engaging portion, the edge engaging matching portion and the edge pressing member are all annular.

[0011] Preferably, the edge clamping portion is an annular clamping piece, the edge clamping matching portion is an annular groove, and the edge pressurizing piece is a pressurizing frame, and the pressurizing frame presses the annular clamping piece into the annular groove through the pressure given by the connecting piece.

[0012] Preferably, a plurality of the elastic buffer members are disposed on the edge pressure member, and the plurality of the elastic buffer members are sequentially disposed thereon along the extension direction of the edge pressure member.

[0013] Preferably, the elastic buffer is disposed between the edge pressure member and the connecting member, the edge pressure member is movably connected to the connecting member, and the edge pressure member can move toward or away from the connecting member.

[0014] Preferably, the edge pressure piece is movably connected to the connecting piece through a plurality of movable connecting parts, the movable connecting parts include a countersunk hole, a screw hole and a first screw, the countersunk hole is provided on the connecting piece, the screw hole is provided on the edge pressure piece, the first screw is passed through the countersunk hole and is threadedly connected to the screw hole, the first screw can move axially relative to the countersunk hole, and the first screw is axially limited by its head and the countersunk hole.

[0015] Preferably, the elastic buffer is a spring.

[0016] Preferably, the lens is provided with a plurality of the snap-fitting parts, the plurality of the snap-fitting parts include at least one inner snap-fitting part, and the inner snap-fitting part is provided on the inner side of the edge snap-fitting part;

[0017] The base is provided with a plurality of the snap-fitting parts, the plurality of the snap-fitting parts include at least one inner snap-fitting part, and the inner snap-fitting part is arranged corresponding to the inner snap-fitting part;

[0018] The pressurizing assembly includes a plurality of pressurizing members, wherein the plurality of pressurizing members include at least one inner pressurizing member, and the inner pressurizing member is arranged corresponding to the inner engaging portion.

[0019] Preferably, the inner engaging portion is an inner engaging member, and the inner engaging fitting portion is an inner engaging groove.

[0020] Preferably, the elastic buffer is arranged between the internal pressure member and the lens, one end of the internal pressure member is fixedly connected to the connecting member, and the elastic buffer is arranged at the other opposite end.

[0021] Preferably, a groove is provided at one end of the inner pressure member facing the lens, and one end of the elastic buffer member is inserted into the groove and fixedly connected to the inner pressure member via a fastener.

[0022] Preferably, the elastic buffer is an elastic pad.

[0023] Preferably, a plurality of limiting members are provided on the circumference of the fixing member, and the limiting members are used to limit the circumference of the base.

[0024] Preferably, the base is a heat sink.

[0025] Preferably, the radiator is provided with a plurality of heat dissipation fins at one end close to the fixing member, and the lens is provided at the other end away from the fixing member, and the fixing member is provided with a plurality of clearance slots corresponding to the heat dissipation fins, and the heat dissipation fins are arranged in the clearance slots.

[0026] Due to the adoption of the above technical solution, the utility model has the following advantages and positive effects compared with the prior art:

[0027] 1. In the utility model, an elastic buffer is provided between the pressure member and the connecting member and / or the pressure member and the lens, so that when the clamping part is pressed, the pressure member can adaptively adjust the distance between the pressure member and the connecting member and / or the lens through the elastic buffer. That is to say, during the pressing process, the clamping part that has been pressed into the clamping fitting part can play a buffering role to avoid the problem of excessive pressing, and there is no need to worry about insufficient pressing.

[0028] 2. The edge pressure piece of the utility model is movably connected to the connecting piece through a plurality of movable connecting parts. The movable connecting parts include a countersunk hole, a screw hole and a first screw. The first screw passes through the connecting piece and is threadedly connected to the edge pressure piece, so that the edge pressure piece can move closer to or away from the connecting piece. The structure is simple and the cost is low.

[0029] 3. The fixing member of the utility model is provided with a plurality of clearance slots corresponding to the heat dissipation fins, and the heat dissipation fins are arranged in the clearance slots, so as to avoid the heat dissipation fins being stressed and broken during the pressing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0031] Figure 1 It is an overall schematic diagram of the utility model;

[0032] Figure 2 The cross section of the utility model Figure 1 ;

[0033] Figure 3 For this utility model Figure 2 A partial enlarged view of

[0034] Figure 4 The schematic diagram of the connecting member and the pressurizing member is hidden for the present utility model;

[0035] Figure 5 This is a schematic diagram of the connecting member and the pressurizing member of the utility model;

[0036] Figure 6 This is a schematic diagram of the fixing member of the utility model;

[0037] Figure 7 The cross section of the utility model Figure 2 ;

[0038] Figure 8 The cross section of the utility model Figure 3 ;

[0039] Fig. 9 This is a schematic diagram of the assembly of the internal pressure member and the elastic pad of the utility model;

[0040] Fig.10 This is an exploded view of the internal pressure piece and elastic pad of the utility model.

[0041] Description of reference numerals:

[0042] 1. Fixing part; 2. Connecting part; 3. Heat sink; 4. Lens; 5. Pressurized frame; 6. Internal pressurized part; 7. Spring; 8. Elastic pad; 9. Annular clamping part; 10. Annular clamping groove; 11. Internal clamping part; 12. Internal clamping groove; 13. Clearance slot; 14. Limiting part; 15. Countersunk hole; 16. Screw hole; 17. First screw; 18. Second screw; 19. Latch. DETAILED DESCRIPTION

[0043] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the utility model will become clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise ratios, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model.

[0044] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0045] See also Figures 1 to 10 The core of the utility model is to provide a light-emitting device pressing and assembling device, which is used to press and fix the lens 4 on the base. In this embodiment, the base is specifically a heat sink 3, and a light-emitting plate is also provided between the heat sink 3 and the lens 4 to form a light-emitting device with a heat sink 3.

[0046] The light-emitting device pressing and assembling equipment includes a fixing part 1, a connecting part 2 and a pressurizing component, a heat sink 3 is arranged on the fixing part 1, a lens 4 is arranged on the heat sink 3, a plurality of heat dissipation fins are arranged on one end of the heat sink 3 close to the fixing part 1, and a lens 4 is arranged on the other end away from the fixing part 1, a plurality of clearance slots 13 are arranged on the fixing part 1 corresponding to the heat dissipation fins, the heat dissipation fins are arranged in the clearance slots 13, and the heat dissipation fins are arranged in the clearance slots 13, so as to avoid the heat dissipation fins being broken by force during the pressing process. A plurality of limiters 14 are arranged on the peripheral side of the fixing part 1, and the limiters 14 are used to limit the peripheral side of the heat sink 3.

[0047] The connecting member 2 is used to be connected to a press, and the press can drive the connecting member 2 to move. The pressurizing assembly is arranged between the fixing member 1 and the connecting member 2 and is connected to the connecting member 2. The lens 4 is provided with at least one engaging portion, the heat sink 3 is provided with at least one engaging portion corresponding to the engaging portion, and the pressurizing assembly includes at least one pressurizing member corresponding to the engaging portion, and the pressurizing member presses the engaging portion on the lens 4 into the engaging portion through the pressure given by the connecting member 2.

[0048] An elastic buffer is provided between the pressure member and the connecting member 2 and / or the pressure member and the lens 4. When the clamping portion is pressed, the pressure member adaptively adjusts the distance between the pressure member and the connecting member 2 and / or the lens 4 through the elastic buffer.

[0049] In this embodiment, the lens 4 is provided with a plurality of engaging portions, the heat sink 3 is provided with a plurality of engaging matching portions, and the pressurizing assembly includes a plurality of pressurizing members.

[0050] The plurality of snap-fitting parts include an edge snap-fitting part and at least one inner snap-fitting part, the edge snap-fitting part is extended along the peripheral edge of the lens 4, and the inner snap-fitting part is arranged on the inner side of the edge snap-fitting part; the plurality of snap-fitting parts include an edge snap-fitting part and at least one inner snap-fitting part, the edge snap-fitting part is arranged corresponding to the edge snap-fitting part, and the inner snap-fitting part is arranged corresponding to the inner snap-fitting part; the plurality of pressure pieces include an edge pressure piece and at least one inner pressure piece 6, the edge pressure piece is arranged corresponding to the edge snap-fitting part, and the inner pressure piece 6 is arranged corresponding to the inner snap-fitting part.

[0051] In this embodiment, the edge clamping part, the edge clamping matching part and the edge pressurizing part are all annular. Specifically, the edge clamping part is an annular clamping part 9 protruding toward the heat sink 3, the edge clamping matching part is an annular clamping groove 10, and the edge pressurizing part is a pressurizing frame 5, which protrudes from the bottom end surface and extends toward the lens 4. The pressurizing frame 5 presses the annular clamping part 9 into the annular clamping groove 10 through the pressure given by the connecting member 2, and the annular clamping part 9 is fixed to the annular clamping groove 10 through interference fit with the annular clamping groove 10.

[0052] The pressurizing frame 5 is provided with a plurality of elastic buffers, which are sequentially arranged on the pressurizing frame 5 along the extension direction of the pressurizing frame 5. In this embodiment, the elastic buffers on the pressurizing frame 5 are arranged between the pressurizing frame 5 and the connecting member 2, and the pressurizing frame 5 is movably connected to the connecting member 2, and the pressurizing frame 5 can move toward or away from the connecting member 2.

[0053] Specifically, the pressurizing frame 5 is movably connected to the connecting member 2 through a number of movable connecting parts. In this embodiment, a movable connecting part is respectively provided at the four corners of the pressurizing frame 5. The movable connecting part includes a countersunk hole 15, a screw hole 16 and a first screw 17. The countersunk hole 15 is provided on the connecting member 2, the screw hole 16 is provided on the pressurizing frame 5, the first screw 17 is penetrated through the countersunk hole 15 and is threadedly connected to the screw hole 16. The first screw 17 is not locked so that there is a gap between the pressurizing frame 5 and the connecting member 2. The first screw 17 can move axially relative to the countersunk hole 15, so that the pressurizing frame 5 can move closer to or away from the connecting member 2. The structure is simple and the cost is low. The first screw 17 is axially limited by its head and the countersunk hole 15 to prevent the first screw 17 from falling off the connecting member 2.

[0054] The elastic buffer between the pressure frame 5 and the connecting member 2 is specifically a spring 7. A receiving groove is respectively provided on the end of the pressure frame 5 opposite to the connecting member 2. The two ends of the spring 7 are respectively provided in the receiving grooves on the pressure frame 5 and the connecting member 2, so that the spring 7 can be prevented from falling out from between the connecting member 2 and the pressure frame 5. The structure does not require the use of other fasteners for fixing, and the installation is more convenient and quick.

[0055] A boss protruding toward the pressure frame 5 is also provided in the middle of the connecting member 2. The boss is provided in the middle hollow part of the pressure frame 5 and fits with the inner wall of the pressure frame 5. Through the cooperation between the boss and the pressure frame 5, the pressure frame 5 moves more stably and smoothly relative to the connecting member 2.

[0056] The inner snap-fitting part is specifically an inner snap-fitting part 11, and the inner snap-fitting part is an inner slot 12. The inner snap-fitting part 11 is fixed to the inner slot 12 by interference fit. The elastic buffer on the inner pressure member 6 is arranged between the inner pressure member 6 and the lens 4. One end of the inner pressure member 6 is fixedly connected to the connecting member 2 by a second screw 18, and the other opposite end is provided with an elastic buffer. Specifically, a groove is provided at one end of the inner pressure member 6 facing the lens 4, and one end of the elastic buffer is inserted into the groove and fixedly connected to the inner pressure member 6 by a fastener. In this embodiment, the fastener is a latch 19, and the latch 19 radially passes through the inner pressure member 6 and the elastic buffer so as not to damage the internal structure of the elastic buffer. In this embodiment, the elastic buffer on the inner pressure member 6 is an elastic pad 8, and the elastic pad 8 can be made of materials such as polyurethane.

[0057] The working process of the utility model is further described below:

[0058] First, the heat sink 3 is placed on the fixing part 1 , the lens 4 is placed on the heat sink 3 , and the connecting part 2 is connected to the press.

[0059] Then, the press drives the connecting part 2 to move toward the lens 4 , and the connecting part 2 drives the pressurizing frame 5 and the inner pressurizing part 6 to press toward the lens 4 , so as to drive the annular clamping part 9 on the lens 4 to be clamped into the annular clamping groove 10 , and drive the inner clamping part 11 to be clamped into the inner clamping groove 12 .

[0060] During the engagement process, the pressure frame 5 adaptively adjusts the distance between itself and the connector 2 through a number of springs 7 to avoid excessive extrusion of the partial annular clamping part 9 that has been inserted into the annular groove 10; the internal pressure part 6 adaptively adjusts the distance between itself and the connector 2 through the elastic pad 8 to avoid excessive extrusion of the internal clamping part 11 that has been inserted into the internal groove 12.

[0061] The utility model can buffer the annular clamping member 9 and the inner clamping member 11 through a plurality of springs 7 and elastic pads 8, thereby avoiding excessive squeezing of the annular clamping member 9 and the inner clamping member 11, and at the same time, there is no need to worry about the problem of insufficient interference. If a flat pressurizing member is directly pressed down, the problem of insufficient interference or excessive squeezing may occur in some areas.

[0062] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the protection scope of the present invention.

Claims

1. A light-emitting device press-fit assembly device, used to press-fit and fix a lens on a base, characterized in that: The invention comprises a fixing member, a connecting member and a pressurizing assembly, wherein the base is arranged on the fixing member, the lens is arranged on the base, the connecting member is used to be connected to a press machine, and the pressurizing assembly is arranged between the fixing member and the connecting member and connected to the connecting member; The lens is provided with at least one engaging portion, the base is provided with at least one engaging fitting portion corresponding to the engaging portion, the pressurizing assembly comprises at least one pressurizing member corresponding to the engaging portion, and the pressurizing member presses the engaging portion on the lens into the engaging fitting portion through the pressure given by the connecting member; An elastic buffer is provided between the pressurizing member and the connecting member and / or between the pressurizing member and the lens. When the clamping portion is pressed, the pressurizing member adaptively adjusts the distance between the pressurizing member and the connecting member and / or the lens through the elastic buffer.

2. The light emitting device press-fit assembly equipment according to claim 1, characterized in that: At least one of the clamping parts includes an edge clamping part, and the edge clamping part is extended along the peripheral edge of the lens; At least one of the snap-fitting parts includes an edge snap-fitting part, and the edge snap-fitting part is arranged corresponding to the edge snap-fitting part; At least one of the pressure members includes an edge pressure member, and the edge pressure member is arranged corresponding to the edge clamping portion.

3. The light emitting device press-fit assembly equipment according to claim 2, characterized in that: The edge clamping portion, the edge clamping matching portion and the edge pressing piece are all ring-shaped.

4. The light emitting device press-fit assembly equipment according to claim 3, characterized in that: The edge clamping part is an annular clamping piece, the edge clamping matching part is an annular clamping groove, and the edge pressurizing piece is a pressurizing frame. The pressurizing frame presses the annular clamping piece into the annular clamping groove through the pressure given by the connecting piece.

5. The light emitting device press-fit assembly equipment according to claim 2, characterized in that: A plurality of the elastic buffer members are arranged on the edge pressure member, and the plurality of the elastic buffer members are arranged thereon in sequence along the extending direction of the edge pressure member.

6. The light emitting device press-fit assembly equipment according to claim 2, characterized in that: The elastic buffer is arranged between the edge pressurizing member and the connecting member. The edge pressurizing member is movably connected to the connecting member, and the edge pressurizing member can move toward or away from the connecting member.

7. The light emitting device press-fit assembly equipment according to claim 6, characterized in that: The edge pressure piece is movably connected to the connecting piece through a plurality of movable connecting parts, and the movable connecting parts include a countersunk hole, a screw hole and a first screw. The countersunk hole is provided on the connecting piece, and the screw hole is provided on the edge pressure piece. The first screw is passed through the countersunk hole and is threadedly connected to the screw hole. The first screw can move axially relative to the countersunk hole, and the first screw is axially limited by its head and the countersunk hole.

8. The light emitting device press-fit assembly equipment according to claim 6, characterized in that: The elastic buffer is a spring.

9. The light emitting device press-fit assembly equipment according to claim 2, characterized in that: The lens is provided with a plurality of the clamping parts, wherein the plurality of the clamping parts include at least one inner clamping part, and the inner clamping part is provided at the inner side of the edge clamping part; The base is provided with a plurality of the snap-fitting parts, the plurality of the snap-fitting parts include at least one inner snap-fitting part, and the inner snap-fitting part is arranged corresponding to the inner snap-fitting part; The pressurizing assembly includes a plurality of pressurizing members, wherein the plurality of pressurizing members include at least one inner pressurizing member, and the inner pressurizing member is arranged corresponding to the inner engaging portion.

10. The light emitting device press-fit assembly equipment according to claim 9, characterized in that: The inner snap-fitting portion is an inner snap-fitting piece, and the inner snap-fitting matching portion is an inner snap-fitting groove.

11. The light emitting device press-fit assembly equipment according to claim 9, characterized in that: The elastic buffer is arranged between the internal pressure member and the lens. One end of the internal pressure member is fixedly connected to the connecting member, and the other end opposite to the internal pressure member is provided with the elastic buffer.

12. The light emitting device press-fit assembly equipment according to claim 11, characterized in that: A groove is formed at one end of the inner pressure member facing the lens, and one end of the elastic buffer member is inserted into the groove and fixedly connected to the inner pressure member via a fastener.

13. The light emitting device press-fit assembly equipment according to claim 11, characterized in that: The elastic buffer is an elastic pad.

14. The light emitting device press-fit assembly equipment according to claim 1, characterized in that: A plurality of limiting members are arranged on the peripheral side of the fixing member, and the limiting members are used to limit the peripheral side of the base.

15. The light emitting device press-fit assembly equipment according to any one of claims 1 to 14, characterized in that: The base is a heat sink.

16. The light emitting device press-fit assembly equipment according to claim 15, characterized in that: The heat sink is provided with a plurality of heat dissipation fins at one end close to the fixing member, and the lens is provided at the other end away from the fixing member. The fixing member is provided with a plurality of clearance slots corresponding to the heat dissipation fins, and the heat dissipation fins are arranged in the clearance slots.

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