CN219912767U - Heat radiation structure of automobile lamp - Google Patents

Abstract

The utility model discloses a heat radiation structure of an automobile lamp, which comprises a bottom shell, a lampshade and a light-emitting part, wherein the light-emitting part is arranged in an inner cavity of the bottom shell, the lampshade is arranged on the bottom shell, a heat radiation component is arranged in the inner cavity of the bottom shell and comprises a guide pipe seat and a heat conduction pipe, the guide pipe seat is penetrated with a mounting hole, a rubber plug sleeve is arranged in the mounting hole, the inner diameter of the rubber plug sleeve is smaller than the outer diameter of the heat conduction pipe, the end part of the heat conduction pipe is in interference fit with the rubber plug sleeve, so that the heat conduction pipe is arranged in the guide pipe seat in a sealing way and communicated with the outside, the heat conduction pipe extends to the periphery of the light-emitting part for heat exchange, and the inner cavity of the bottom shell is provided with a mounting structure for detachable connection of the guide pipe seat. According to the utility model, the end part of the heat conduction pipe is assembled in the bottom shell through the pipe seat, so that the assembly is convenient, the glue plug sleeve is prevented from being exposed, the tightness between the end part of the heat conduction pipe and the glue plug sleeve is ensured, and the service life of the structure is prolonged.

Description

Heat radiation structure of automobile lamp

Technical Field

The utility model relates to the technical field of car lamps, in particular to a car lamp heat dissipation structure.

Background

The automobile lamp is an important component part of an automobile, the automobile lamp is required to be frequently used for illumination at night or at a dim place of light, a bottom shell of the automobile lamp and the lampshade are assembled into a closed structure in a matched mode, light emitted by the light emitting part in the bottom shell is irradiated outwards through the lampshade, and along with the extension of the service time, the temperature in the periphery of the light emitting part is gradually increased, and a heat dissipation structure is required to be installed.

For example, the utility model patent with publication number CN203395893U discloses a dampproof heat-conducting heat-dissipating structure of an LED car lamp, which is mounted on a lamp housing of the LED car lamp and is connected with an LED lamp group.

However, the waterproof gasket on the car lamp is directly assembled on the lamp shell, when the heat conducting pipe is assembled, the heat conducting pipe can easily drive the waterproof gasket to be exposed out of the lamp shell, the assembly is inconvenient, the part of the waterproof gasket exposed out of the environment is easy to damage, the tightness between the heat conducting pipe and the waterproof gasket is difficult to ensure, and the service life of the car lamp is reduced.

Disclosure of Invention

The utility model aims to solve the defects of the technology, and the heat dissipation structure of the automobile lamp is designed, wherein the end part of the heat conduction pipe is assembled in the bottom shell through the pipe seat, so that the assembly is convenient, the glue plug sleeve is prevented from being exposed, the tightness between the end part of the heat conduction pipe and the glue plug sleeve is ensured, and the service life of the structure is prolonged.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an automobile lamp heat radiation structure, includes drain pan, lamp shade and luminescent part, luminescent part install in the drain pan inner chamber, the lamp shade install in on the drain pan, be provided with radiating component in the drain pan inner chamber, radiating component includes catheter seat and heat pipe, the catheter seat link up there is the mounting hole, the interior plug bush of glue is equipped with in the mounting hole, the internal diameter of plug bush is less than the external diameter of heat pipe, the tip of heat pipe with plug bush interference fit, so that the heat pipe is sealed install in the catheter seat and communicate with each other with the external world, the heat pipe extends to luminescent part's periphery is in order to carry out the heat exchange, the drain pan inner chamber is provided with the mounting structure who supplies the catheter seat dismantlement to connect.

Preferably, the mounting structure is an annular structure and penetrates through the bottom shell, the conduit seat is provided with an interface part inserted in the mounting structure, the outer wall of the interface part is provided with a plurality of fasteners distributed in an annular array, the inner annular wall of the mounting structure is provided with a clamping ring, the clamping ring is provided with notches for the fasteners to pass through, the space between the fasteners and the conduit seat is provided with limiting parts matched with the fasteners for the clamping ring to pass through, and the outer side wall of the clamping ring is provided with limiting parts matched with the fasteners.

Preferably, the mounting hole comprises a tube hole and a connecting hole which are coaxially communicated, the tube hole is formed in the side wall of the catheter seat, which is close to the light-emitting component, the connecting hole is formed in the side wall of the catheter seat, which is far away from the light-emitting component, the inner diameter of the tube hole is larger than that of the connecting hole, and the glue plug sleeve is arranged in the tube hole.

Preferably, a sealing ring is sleeved between the connector part corresponding to each fastener and the catheter seat, one of the fasteners is provided with a separation part corresponding to the side wall of the catheter seat, and the separation part is in contact with the sealing ring.

Preferably, the connector is of a cylindrical structure, the outer diameter of the connector is smaller than the inner diameter of the catheter seat, a matching ring is arranged at the position, corresponding to the mounting structure, of the inner cavity of the bottom shell, and the catheter seat is inserted into the matching ring.

Preferably, the inner cavity of the interface part is formed with a conical interface cavity, and the inner diameter of the interface cavity is gradually reduced along one side close to each connecting hole.

Preferably, the conduit seat is symmetrically provided with two rotating plates near the side wall of the light-emitting component.

Preferably, the catheter seats are provided with at least two, and two ends of at least one heat conducting pipe are respectively positioned in the two catheter seats.

Preferably, the heat dissipation assembly further comprises a heat dissipation seat, a top light-emitting component of the heat dissipation seat is installed, the bottom of the heat dissipation seat comprises a plurality of support column structures, and the heat conduction pipe surrounds the periphery of the heat dissipation seat.

Preferably, the top of the bottom shell is provided with a slot for inserting the outer edge of the lampshade, the top of the bottom shell is uniformly provided with a buckle part along the slot, and the outer edge of the lampshade is provided with a clamping strip part in snap fit with the buckle part.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the heat dissipation structure of the automobile lamp, the light-emitting part is arranged in the inner cavity of the bottom shell, the end part of the heat conduction pipe is assembled in the inner cavity of the bottom shell through the guide pipe seat and communicated with the outside, the extension part of the heat conduction pipe can be paved on the periphery of the light-emitting part according to requirements, and the heat exchange is carried out on the heat emitted by the light-emitting part by the medium flowing in the heat conduction pipe, so that the heat dissipation effect is good.

2. According to the utility model, the rubber plug sleeve is assembled through the mounting hole, the end part of the heat pipe is in interference fit with the rubber plug sleeve, so that the sealing connection between the end part of the heat pipe and the pipe seat is realized, and the pipe seat and the mounting structure are arranged, so that the end part of the heat pipe is more convenient to assemble, the damage to the exposed part of the rubber plug sleeve caused by the fact that the end part of the heat pipe drives the rubber plug sleeve to be exposed to the outside of the bottom shell in the assembling process is avoided, the tightness between the end part of the heat pipe and the rubber plug sleeve is ensured, and the service life of the structure is prolonged.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation structure of a vehicle lamp according to an embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of region A of FIG. 2;

fig. 4 is a schematic structural view of the bottom chassis in the embodiment;

fig. 5 is a schematic structural diagram of a heat dissipating component in an embodiment.

In the figure: 1. a bottom case; 2. a lamp shade; 3. a light emitting member; 4. a support column structure; 5. a heat dissipation seat; 6. a heat conduction pipe; 7. a catheter holder; 8. a mounting hole; 81. pipe holes; 82. a connection hole; 9. a clasp member; 10. a clamping strip part; 11. a mounting structure; 12. a rubber plug sleeve; 13. an interface part; 14. an interface chamber; 15. a fastener; 16. a clasp; 17. a notch; 18. a limit part; 19. a seal ring; 20. a partition portion; 21. a mating ring; 22. a rotating plate; 23. a slot; 24. and (5) an inclined plane.

Detailed Description

The utility model is further described below by way of examples with reference to the accompanying drawings.

Referring to fig. 1 to 5, a heat dissipation structure for an automobile lamp includes a bottom shell 1, a lampshade 2 and a light emitting component 3, the light emitting component 3 is installed in the bottom shell 1, the lampshade 2 is installed on the bottom shell 1 to cover an inner cavity of the bottom shell 1 and the light emitting component 3, and the light emitting component 3 is an illuminating lamp, which is in the prior art and is not described in detail herein. The slot 23 that supplies the outer edge grafting of lamp shade 2 has been seted up at the top of drain pan 1, the top of drain pan 1 evenly is provided with buckle spare 9 along slot 23, the outer edge of lamp shade 2 is provided with the card strip portion 10 with buckle spare 9 snap fit, guide lamp shade 2 through slot 23 installs on drain pan 1, and realize the connection of lamp shade 2 and drain pan 1 through each buckle spare 9 and each card strip portion 10, the interior cell wall of slot 23 and the outer edge of lamp shade 2 are connected through modes such as glue or welding, in order to assemble airtight drain pan 1, lamp shade 2 covers the opening in installation cavity and forms comparatively sealed lamp chamber. The light emitted by the light emitting component 3 in the lamp cavity is diffused outwards through the lamp shade 2 to realize illumination, the lamp shade 2 is provided with a lens, the lens is also called as diffusion glass, which is formed by pressing light-transmitting glass, and the lens is a combination of a plurality of special prisms and lenses, which are the prior art and are not described in detail herein. When the light emitting member 3 is lighted, the light generated by the light emitting member 3 is illuminated to the outside through the globe 2.

The inner cavity of the bottom shell 1 is internally provided with a heat radiating component, the heat radiating component comprises a heat radiating seat 5, four heat conducting pipes 6 and two guide pipe seats 7, the light emitting component 3 is arranged at the top of the heat radiating seat 5, each heat conducting pipe 6 surrounds the bottom of the heat radiating seat 5, the bottom of the heat radiating seat 5 comprises a plurality of support column structures 4 which are arranged at intervals, the light emitting component 3 is separated from the inner groove wall of the installation cavity through the heat radiating seat 5 so as to avoid direct contact with the inner groove wall of the installation cavity, when the light emitting component 3 emits light, the heat emitted by the light emitting component 3 is transferred to the installation cavity through the heat radiating seat 5, and the contact area between the bottom of the heat radiating seat 5 and air is increased through each support column structure 4 so as to radiate heat.

The four mounting holes 8 are formed in the guide tube seat 7, the four mounting holes 8 are uniformly distributed in a rectangular array, each mounting hole 8 comprises a tube hole 81 and a connecting hole 82 which are coaxially communicated, each tube hole 81 is formed in the side wall of the guide tube seat 7, which is close to the light-emitting part 3, each connecting hole 82 is formed in the side wall of the guide tube seat 7, which is far away from the light-emitting part 3, each tube hole 81 is internally provided with a glue plug 12, the end part of each heat conduction tube 6 is inserted into the glue plug 12 and communicated with the connecting holes 82, the inner diameter of each tube hole 81 is larger than the inner diameter of each connecting hole 82, the glue plug 12 can be prevented from being driven to separate from the tube holes 81 when the heat conduction tube 6 is inserted into the glue plug 12, the inner diameter of each glue plug 12 is smaller than the outer diameter of the heat conduction tube 6, the end part of each heat conduction tube 6 is in interference fit with the glue plug 12, so that the heat conduction tube 6 is hermetically mounted in the guide tube seat 7 and communicated with the outside, the heat conduction tube 6 extends to the periphery of the light-emitting part 3 to perform heat exchange, and each heat conduction tube 6 surrounds the periphery of the heat dissipation seat 5.

The installation cavity is provided with the mounting structure 11 that supplies catheter holder 7 dismantlement formula to be connected, the mounting structure 11 is annular structure and link up in drain pan 1, catheter holder 7 is formed with the interface portion 13 of grafting in mounting structure 11, interface portion 13 is cylindrical structure, the external diameter of interface portion 13 is less than the external diameter of catheter holder 7, the outer wall of interface portion 13 is provided with a plurality of fasteners 15 that are annular permutation distribution, the inner ring wall of mounting structure 11 is provided with snap ring 16, the breach 17 that supplies fastener 15 to pass through is seted up to snap ring 16, each breach 17 all is formed with inclined plane 24 with one side, catheter holder 7 is close to the lateral wall symmetry of luminous component 3 and is provided with two rotatory boards 22, so that the staff holds catheter holder 7 and rotates catheter holder 7 with it in mounting structure 11, drain pan 1 inner chamber corresponds mounting structure 11 department and is provided with cooperation ring 21, catheter holder 7 is pegged graft in cooperation ring 21, be used for guiding the direction of rotation of catheter holder 7, through rotatory catheter holder 7 so that each fastener 15 and breach 17 adaptation, so that insert interface portion 13 in mounting structure 11, space between 15 and catheter holder 7 supplies 16 to pass through each breach 17, each breach 16 to pass through, each rotatable board 15 and 16 is provided with the inclined plane 24 when the corresponding fastener 16 of 16 is passed through each rotatory board 17 and the corresponding fastener 16 of stopper 16, the spacer 16 is passed through to the side wall 16 and the spacer 16 is realized to the spacer 16, the spacer 16 is connected to the spacer 16, the spacer 16 is realized along the spacer 16, the spacer 16 is connected with the spacer 16, the spacer 16 is completed, the spacer 16 was connected to the spacer 16, the spacer 16 was connected along the spacer 16, the spacer 16 was through the spacer was through.

The sealing ring 19 is sleeved at the position between each fastener 15 and the catheter seat 7 corresponding to the interface part 13, a separation part 20 is arranged on one of the plurality of fasteners 15 relative to the side wall of the catheter seat 7, the separation part 20 is abutted against the sealing ring 19, so that a gap for buckling the notch 17 is reserved between the sealing ring 19 and each fastener 15, when the catheter seat 7 and the mounting structure 11 are connected, the sealing ring 19 is pressed and deformed, the inner side wall of each fastener 15 is abutted against the outer side wall of the clamping ring 16 so as to maintain the connection state of the catheter seat 7 and the mounting structure 11, at the moment, the inner ring wall of the matching ring 21 is matched with the catheter seat 7 to extrude the sealing ring 19, and the extruded sealing ring 19 covers the mounting structure 11, so that the connected catheter seat 7 has sealing performance.

The heat conduction seat is provided with the rubber plug 12 through the mounting hole 8, the end part of the heat conduction pipe 6 is in interference fit with the rubber plug 12, the end part of the heat conduction pipe 6 is in sealing connection with the guide pipe seat 7, the guide pipe seat 7 and the mounting structure 11 are arranged, the end part of the heat conduction pipe 6 is more convenient to assemble, the phenomenon that the exposed part of the rubber plug 12 is damaged due to the fact that the end part of the heat conduction pipe 6 drives the rubber plug 12 to be exposed to the outside of the bottom shell 1 in the assembling process is avoided, the tightness between the end part of the heat conduction pipe 6 and the rubber plug 12 is ensured, and the service life of the structure is prolonged.

The inner chamber of interface 13 is formed with conical interface chamber 14, after two pipe seat 7 installation are accomplished, the interface chamber 14 opening is towards the outside of drain pan 1, the internal diameter in interface chamber 14 reduces gradually along the one side that is close to each connecting hole 82, so that guide the staff to dock with connecting hole 82 with the joint of external air supply, the inlet end and the end of giving vent to anger of each heat pipe 6 communicate with external air supply through two pipe seat 7 respectively, the joint of external air supply communicates with corresponding heat pipe 6 through connecting hole 82, the extension of heat pipe 6 can be laid in the periphery of luminous component 3 according to the demand, the heat radiating area of drain pan 1 inner chamber has been increased around each support column structure 4 to heat pipe 6 medium flow is utilized and is carried out the heat exchange to luminous component 3 heat, heat in the drain pan 1 is dissipated fast, the radiating effect is better.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims (10)

1. The utility model provides an automobile lamp heat radiation structure, includes drain pan (1), lamp shade (2) and luminous component (3), luminous component (3) install in drain pan (1) inner chamber, lamp shade (2) install in on drain pan (1), characterized by: the utility model discloses a heat radiation assembly, including drain pan (1) inner chamber, be provided with the radiator unit in drain pan (1), radiator unit includes drain pipe seat (7) and heat pipe (6), drain pipe seat (7) link up there is mounting hole (8), mounting hole (8) are equipped with in the packing plug cover (12), the internal diameter of packing plug cover (12) is less than the external diameter of heat pipe (6), the tip of heat pipe (6) with packing plug cover (12) interference fit, so that heat pipe (6) by sealing installation in drain pipe seat (7) and communicate with each other with the external world, heat pipe (6) extend to the periphery of luminescent part (3) is in order to carry out the heat exchange, drain pan (1) inner chamber is provided with mounting structure (11) that supply drain pipe seat (7) dismantlement to connect.

2. The heat dissipation structure for automotive lamp as set forth in claim 1, wherein: the utility model discloses a catheter is characterized by comprising a base shell (1), a catheter seat (7), a mounting structure (11) and a plurality of fasteners (16), wherein the mounting structure (11) is of an annular structure and is communicated with the base shell (1), the catheter seat (7) is formed with an interface part (13) inserted in the mounting structure (11), the outer wall of the interface part (13) is provided with a plurality of fasteners (15) distributed in an annular array, the inner annular wall of the mounting structure (11) is provided with the snap ring (16), the snap ring (16) is provided with notches (17) for the fasteners (15) to pass through, the space between the fasteners (15) and the catheter seat (7) is provided with limiting parts (18) matched with the fasteners (15).

3. The heat dissipation structure for automotive lamp as set forth in claim 2, characterized in that: the mounting hole (8) comprises a tube hole (81) and a connecting hole (82) which are coaxially communicated, the tube hole (81) is formed in the side wall of the light-emitting component (3) close to the catheter seat (7), the connecting hole (82) is formed in the side wall of the light-emitting component (3) far away from the catheter seat (7), the inner diameter of the tube hole (81) is larger than that of the connecting hole (82), and the glue blocking sleeve (12) is assembled in the tube hole (81).

4. The heat dissipation structure for automotive lamp as set forth in claim 2, characterized in that: a sealing ring (19) is sleeved between the connector part (13) corresponding to each fastener (15) and the catheter seat (7), a separation part (20) is arranged on one of the fasteners (15) relative to the side wall of the catheter seat (7), and the separation part (20) is in contact with the sealing ring (19).

5. The heat dissipation structure for automotive lamp as set forth in claim 2, characterized in that: the connector part (13) is of a cylindrical structure, the outer diameter of the connector part (13) is smaller than the inner diameter of the catheter seat (7), a matching ring (21) is arranged at the position, corresponding to the mounting structure (11), of the inner cavity of the bottom shell (1), and the catheter seat (7) is inserted into the matching ring (21).

6. A heat dissipation structure for automotive lamps as set forth in claim 3, wherein: the inner cavity of the interface part (13) is provided with a conical interface cavity (14), and the inner diameter of the interface cavity (14) gradually decreases along one side close to each connecting hole (82).

7. The heat dissipation structure for automotive lamp as set forth in claim 2, characterized in that: two rotating plates (22) are symmetrically arranged on the side wall of the catheter seat (7) close to the light-emitting component (3).

8. The heat dissipation structure for automotive lamp as set forth in claim 1, wherein: the catheter seats (7) are provided with at least two, and two ends of at least one heat conducting pipe (6) are respectively positioned in the two catheter seats (7).

9. The heat dissipation structure for automotive lamp as set forth in claim 1, wherein: the heat dissipation assembly further comprises a heat dissipation base (5), a top light-emitting component (3) of the heat dissipation base (5) is installed, the bottom of the heat dissipation base (5) comprises a plurality of support column structures (4), and the heat conduction pipe (6) surrounds the periphery of the heat dissipation base (5).

10. The heat dissipation structure for automotive lamp as set forth in claim 1, wherein: the top of drain pan (1) is offered and is supplied the slot (23) of the outer edge grafting of lamp shade (2), the top of drain pan (1) is followed slot (23) is evenly provided with buckle spare (9), the outer edge of lamp shade (2) be provided with buckle spare (9) snap fit's card strip portion (10).