Automobile lamp heat sink device

Abstract

The utility model relates to car lamp heat dissipation technical field, concretely relates to a car lamp heat dissipation device, including LED lamp body, heat conduction copper column, heat dissipation seat to a plurality of heat dissipation fin, heat dissipation fan casing is provided below heat dissipation seat, heat dissipation fan casing inside is provided with heat dissipation fan, the both sides of heat dissipation fan casing rear end face are provided with first limit board, and the inboard of first limit board is provided with locating block, and the locating groove is seted up on heat dissipation fin, and the rear end face of heat dissipation fan casing is provided with second limit board, and the guiding assembly is seted up on second limit board, and the sliding block is slidably seted up in guiding assembly, and the inner wall between heat dissipation fin is provided with arc clamping slot symmetrically, and the end away from arc clamping slot of sliding block is provided with holding assembly, and the end close to arc clamping slot of sliding block is provided with locking assembly and compression spring, the utility model has good heat dissipation effect and high heat dissipation efficiency, and it does not need specific operating tool maintenance replacement, and the operation is simple and convenient, and the later maintenance replacement is more efficient and convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of car light heat dissipation, concretely is automobile car light heat dissipation device. BACKGROUND

[0002] With the high -speed development of automobile industry, LED is more and more common in the application of automobile car light, however as a new type light source, high -power LED car light can produce a large amount of heat when working, and therefore high -power LED car light heat dissipation becomes a prominent problem, and the existing LED car light is connected with the heat dissipation fan assembly through the heat transfer element with excellent heat conduction performance and cooperates with the heat dissipation fan assembly to carry out forced heat dissipation, and the existing heat dissipation fan assembly is fixedly connected with the heat transfer element through screws, and when the heat dissipation fan assembly is replaced and maintained in the later period, specific tools are needed to operate, and the operation is complex and the maintenance is not changed. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a kind of automobile car light heat dissipation device to solve the problem in the background technique described above.

[0004] The utility model discloses a kind of automobile car light heat dissipation devices, including LED lamp body, setting in the heat conduction copper column of LED lamp body bottom end, the heat dissipation seat of setting in the heat conduction copper column bottom end, and the multiple radiating fins of evenly spaced arrangement in the heat dissipation seat bottom end, the heat dissipation fan shell that is surrounded to multiple radiating fins is formed and is arranged in the heat dissipation seat lower, the heat dissipation fan is arranged in the heat dissipation fan shell interior, the first limit board is formed with the first limit board inside the heat dissipation fan shell rear end face two sides to radiating fin one end horizontal extension, the first limit board inside is provided with positioning block, the first limit board is provided with the positioning groove matched with positioning block on the radiating fin of most two sides of heat dissipation seat, the second limit board is horizontally extended to radiating fin one end on the top end and the bottom end of the heat dissipation fan shell rear end face, the second limit board is arranged with interval between the first limit board and the second limit board, the guiding assembly is arranged between the two radiating fins of intermediate position on the second limit board, the sliding block is slidably arranged in the guiding assembly, and the sliding block can rotate in the guiding assembly interior, the arc-shaped slot is symmetrically arranged on the inner wall between the two radiating fins of intermediate position, the gripping assembly is arranged on the end of the sliding block away from the arc-shaped slot, and the locking assembly and compression spring are arranged on the end of the sliding block close to the arc-shaped slot.

[0005] Further, the guiding assembly includes guiding cylinder arranged at the end of the second limit board away from the radiating fin, and the through hole is arranged on the second limit board and is communicated with the guiding cylinder, and the inner diameter of the through hole is smaller than the inner diameter of the guiding cylinder.

[0006] Further, the sliding block is slidably arranged in the guiding cylinder and can rotate in the guiding cylinder.

[0007] Further, the holding assembly comprises a rotating block arranged at one end of the sliding block away from the heat dissipation fins, and a holding rod arranged at the top end of the rotating block symmetrically on both sides of the rotating block, one end of the rotating block penetrating the guide cylinder and extending to the outside of the guide cylinder, and the outer diameter of the rotating block being smaller than the outer diameter of the sliding block.

[0008] Further, the locking assembly comprises a connecting column arranged at one end of the sliding block away from the rotating block, and a clamping block arranged at the bottom end of the connecting column symmetrically on both sides of the connecting column, one end of the connecting column extending to the space between the two heat dissipation fins through the through hole.

[0009] Further, the compression spring is sleeved on the connecting column inside the guide cylinder, one end of the compression spring being in abutment with the sliding block, and the other end being in abutment with the second limiting plate.

[0010] Further, the LED lamp body is provided with a mounting shell at one end away from the heat conduction copper column, and the mounting shell is provided with an LED light distribution reflection cup and an LED light distribution lens.

[0011] The utility model discloses the beneficial effect is:

[0012] The utility model discloses the cooperation of first limiting plate, positioning block, locating groove, second limiting plate, guide assembly, sliding block, arc -shaped clamping slot, holding assembly, locking assembly, compression spring, when connecting between the heat dissipation fan shell body and the heat dissipation fin, through the elastic deformation of first limiting plate, make positioning block enter the locating groove of heat dissipation fin, and complete the positioning connection between the heat dissipation fan shell body and multiple heat dissipation fins, and through pressing holding assembly, make sliding block slide along guide assembly, make locking assembly with two arc -shaped clamping slots correspond, and the extrusion of compression spring is formed to it, and it occurs elastic deformation, rotates holding assembly again, drives sliding block, locking assembly and rotates, makes locking assembly enter arc -shaped clamping slot inside, and the directional force of compression spring makes locking assembly and arc -shaped clamping slot inner wall firmly abut, and then makes the locking fixed between the heat dissipation fan shell body and multiple heat dissipation fins, and it does not need specific operation tool, and the operation is simple and convenient, and the later maintenance replacement is more efficient convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] The foregoing and other objects, features and advantages of the utility model will become more apparent from the following detailed description, which proceeds with reference to the accompanying drawings.

[0014] Figure 1 It is the front view of the utility model.

[0015] Figure 2 It is the heat dissipation fan shell body of the utility model and looks down.

[0016] Figure 3 It is the guide cylinder of the utility model and looks down and section view.

[0017] Figure 4The utility model discloses arc -shaped clamping groove front view section view.

[0018] Figure 5 The utility model discloses first limit board front view section view.

[0019] Among them: 1, LED lamp body, 2, heat conduction copper column, 3, heat dissipation seat, 4, radiating fin, 5, heat dissipation fan shell, 501, heat dissipation fan, 6, first limit board, 601, locating block, 7, second limit board, 8, guide assembly, 801, guide cylinder, 802, through -hole, 9, sliding block, 10, hold assembly, 1001, rotating block, 1002, hold pole, 11, compression spring, 1201, connecting column, 1202, clamping block, 13, installation shell, 14, LED light distribution reflection cup, 15, LED light distribution lens. Specific implementation

[0020] The utility model makes further explanation from the following combined with the annex.

[0021] Refer to Figures 1-5 As shown in the figure, the automobile lamp heat dissipation device, including LED lamp body 1, set up in LED lamp body 1 bottom heat conduction copper column 2, set up in heat conduction copper column 2 bottom heat dissipation seat 3 and even interval arrangement in heat dissipation seat 3 bottom multiple radiating fin 4, radiating fin 4 along heat dissipation seat 3 length direction interval arrangement, and radiating fin 4, heat dissipation seat 3 are all heat conducting material, the heat generated by LED lamp body 1 is absorbed by heat conduction copper column 2 and is transferred to heat dissipation seat 3, and is dissipated from the outer surface of multiple radiating fin 4, heat dissipation seat 3 below is provided with the heat dissipation fan shell 5 that forms the surrounding of multiple radiating fin 4, the heat dissipation fan shell 5 inside is provided with heat dissipation fan 501, heat dissipation fan 501 forced air cooling, increases the heat dissipation efficiency of radiating fin 4, makes its LED lamp body 1 the heat dissipation effect of efficiency better, the both sides of heat dissipation fan shell 5 rear end surface extend horizontally and form first limit board 6 to radiating fin 4 one end, first limit board 6 inboard is provided with locating block 601, and the radiating fin on the most both sides of heat dissipation seat 3 is provided with the locating groove 401 matched with locating block 601, when heat dissipation fan shell 5 is installed on radiating fin 4, forms the surrounding of multiple radiating fin 4, locating block 601 first with radiating fin 4 side wall is in contact and is extruded, makes first limit board 6 produce elastic deformation, and is offset to both sides, until locating block 601 with locating groove 401 is in contact, and the force under extrusion disappears, and first limit board 6 resets, and locating block 601 enters the clamping of locating groove 401 inside, and first completes the positioning connection of heat dissipation fan shell 5 and radiating fin.

[0022] The top end and the bottom end of the rear end face of the heat dissipation fan shell 5 horizontally extend to one end of the heat dissipation fins 4 with the second limiting plate 7, and the first limiting plate 6 and the second limiting plate 7 are arranged at intervals, so that when the first limiting plate 6 is elastically deformed, interference between the first limiting plate 6 and the second limiting plate 7 is avoided. The two heat dissipation fins between the middle positions are provided with a guide assembly 8 on the second limiting plate 7, the guide assembly 8 is slidably provided with a sliding block 9, and the sliding block 9 can rotate inside the guide assembly 8. The inner wall between the two heat dissipation fins in the middle position is symmetrically provided with an arc-shaped clamping groove 402, the end of the sliding block 9 away from the arc-shaped clamping groove 402 is provided with a holding assembly 10, and the end of the sliding block 9 close to the arc-shaped clamping groove 402 is provided with a locking assembly and a compression spring 11. After the positioning block 601 and the positioning groove 401 form a positioning connection, the holding assembly 10 is pressed to make the sliding block 9 slide along the guide assembly 8, the locking assembly moves between the two heat dissipation fins 4, and corresponds to the two arc-shaped clamping grooves 402, and at the same time, the compression spring 11 is extruded to be elastically deformed. Then, the holding assembly 10 is rotated to drive the sliding block 9 and the locking assembly to rotate, so that the locking assembly enters the arc-shaped clamping groove 402, and the direction force generated by the compression spring 11 makes the locking assembly tightly abut against the inner wall of the arc-shaped clamping groove 402, so that the sliding block 9 and the locking assembly cannot move axially, and the locking assembly, the second limiting plate 7 and the heat dissipation fins form locking, so that the heat dissipation fan shell 5 and the plurality of heat dissipation fins 4 form locking and fixing. When the heat dissipation fan shell 5 needs to be disassembled, the holding assembly 10 is rotated to make the locking assembly rotate out of the arc-shaped clamping groove 402, the compression spring drives the sliding block 9 to reset, and the locking assembly is away from the arc-shaped clamping groove 402. The positioning block 601 and the positioning groove 401 are separated, so that the heat dissipation fan shell 5 can be disassembled. The heat dissipation fan shell 5 does not need special operation tools, and the operation is simple and convenient. The later maintenance and replacement are more efficient and convenient.

[0023] Preferably, the guide assembly 8 includes a guide cylinder 801 arranged at the end of the second limiting plate 7 away from the heat dissipation fins 4, and a through hole 802 opened in the second limiting plate 5 and communicating with the guide cylinder 801. The inner diameter of the through hole 802 is smaller than the inner diameter of the guide cylinder 801. In this way, the sliding block 9 can stably reciprocate in the guide cylinder 801 and will not be separated from the guide cylinder.

[0024] Preferably, the sliding block 9 is slidably arranged in the guide cylinder 801 and can rotate in the guide cylinder 801. The rotation of the sliding block 9 drives the locking assembly to rotate into or rotate out of the arc-shaped clamping groove 402.

[0025] Preferably, the holding assembly 10 comprises a rotating block 1001 arranged at the end of the sliding block 9 away from the heat dissipation fins 4, and a holding rod 1002 arranged symmetrically at the top end of the rotating block 1001, the end of the rotating block 1001 away from the sliding block 9 penetrates through the guide cylinder 801 and extends to the outside of the guide cylinder 801, the outer diameter of the rotating block 1001 is smaller than the outer diameter of the sliding block 9, the rotating block 1001 can move to the inside of the guide cylinder 801 along with the sliding block 9, by pressing the rotating block 1001, the connecting column 1201 of the locking assembly moves axially, the clamping block 1201 corresponds to the arc-shaped clamping groove 402, by rotating the rotating block 1001 and the holding rod 1002, the clamping block 1201 is driven to rotate to the inside of the arc-shaped clamping groove 402.

[0026] Preferably, the locking assembly comprises a connecting column 1201 arranged at the end of the sliding block 9 away from the rotating block 1001, and a clamping block 1202 arranged symmetrically at the bottom end of the connecting column 1201, the end of the connecting column 1201 penetrates through the through hole 802 and extends to between the two heat dissipation fins 4, when the clamping block 1202 does not enter the inside of the arc-shaped clamping groove 402, it is arranged symmetrically in front of and behind the outer surface of the connecting column 1201, with the rotation of the connecting column 1201, it enters the inside of the arc-shaped clamping groove 402 and abuts against the inner side wall of the arc-shaped clamping groove 402.

[0027] Preferably, the compression spring 11 is sleeved on the connecting column 1201 inside the guide cylinder 801, one end of the compression spring 11 abuts against the sliding block 9 and the other end abuts against the second limiting plate 7, by pressing the rotating block 1001, the sliding block 9 extrudes the compression spring 11, so that it elastically deforms, and the reverse force makes the top surface of the clamping block 1202 abut against the top surface inside the arc-shaped clamping groove 402 firmly, thereby increasing the stability of the connection, and when the clamping block 1202 rotates to the outside of the arc-shaped clamping groove 402, the sliding block 9 and the rotating block 1001 are reset.

[0028] Preferably, the LED lamp body 1 is provided with a mounting shell 13 at the end away from the heat-conducting copper column 2, the mounting shell 13 is provided with an LED light distribution reflection cup 14 and an LED light distribution lens 15.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any simple modification or equivalent change made according to the technical essence of the present application to the above embodiment falls within the protection scope of the present application.

Claims

1. A heat dissipation device for an automobile lamp, comprising an LED lamp body (1), a heat-conducting copper column (2) arranged at the bottom end of the LED lamp body (1), a heat dissipation seat (3) arranged at the bottom end of the heat-conducting copper column (2), and a plurality of heat dissipation fins (4) uniformly and spacedly arranged at the bottom end of the heat dissipation seat (3), wherein a heat dissipation fan housing (5) is arranged below the heat dissipation seat (3) and surrounds the plurality of heat dissipation fins (4), and a heat dissipation fan (501) is arranged inside the heat dissipation fan housing (5), characterized in that: The first limiting plate (6) is internally provided with a positioning block (601), and the most two-side heat dissipation fins of the heat dissipation seat (3) are provided with positioning grooves (401) matched with the positioning block (601); the top end and the bottom end of the rear end face of the heat dissipation fan shell (5) horizontally extend the second limiting plate (7) towards one end of the heat dissipation fin (4), and the second limiting plate (7) is arranged at intervals between the first limiting plate (6); the two heat dissipation fins at the middle position of the second limiting plate (7) are provided with a guide assembly (8), the guide assembly (8) is internally slidably provided with a sliding block (9), and the sliding block (9) can rotate in the guide assembly (8); the inner wall between the two heat dissipation fins at the middle position is symmetrically provided with an arc-shaped clamping groove (402), one end of the sliding block (9) away from the arc-shaped clamping groove (402) is provided with a holding assembly (10), and the other end of the sliding block (9) close to the arc-shaped clamping groove (402) is provided with a locking assembly and a compression spring (11). ​ 2. The heat dissipating device for automotive vehicle lamp according to claim 1, wherein: The guide assembly (8) comprises a guide cylinder (801) arranged at one end of the second limiting plate (7) away from the heat dissipation fin (4), and a through hole (802) formed in the second limiting plate (7) and communicating with the guide cylinder (801), wherein the inner diameter of the through hole (802) is smaller than the inner diameter of the guide cylinder (801).

3. The heat dissipating device for automotive vehicle lamp according to claim 2, wherein: The sliding block (9) is slidably arranged in the guide cylinder (801) and can rotate in the guide cylinder (801).

4. The heat dissipating device for automotive vehicle lamp according to claim 2, wherein: The holding assembly (10) comprises a rotating block (1001) arranged at one end of the sliding block (9) away from the heat dissipation fin (4), and a holding rod (1002) symmetrically arranged at the top of the rotating block (1001), one end of the rotating block (1001) away from the sliding block (9) penetrates the guide cylinder (801) and extends to the outside of the guide cylinder (801), and the outer diameter of the rotating block (1001) is smaller than the outer diameter of the sliding block (9).

5. The heat dissipating device for automotive vehicle lamp according to claim 4, wherein: The locking assembly comprises a connecting column (1201) arranged at one end of the sliding block (9) away from the rotating block (1001), and a clamping block (1202) symmetrically arranged at the bottom of the connecting column (1201), and one end of the connecting column (1201) penetrates the through hole (802) and extends between the two heat dissipation fins (4).

6. The heat dissipating device for automotive vehicle lamp according to claim 5, wherein: The compression spring (11) is sleeved on the connecting column (1201) in the guide cylinder (801), one end of the compression spring (11) abuts against the sliding block (9), and the other end abuts against the second limiting plate (7).

7. The heat dissipating device for automotive vehicle lamp according to claim 1, wherein: One end of the LED lamp body (1) away from the heat-conducting copper column (2) is provided with a mounting shell (13), and the mounting shell (13) is provided with an LED light distribution reflection cup (14) and an LED light distribution lens (15).

Images