Automobile projection lamp

Abstract

The automobile projection lamp comprises an outer shell and a lamp body module installed in an inner cavity of the outer shell, the outer shell comprises a first shell body and a second shell body which are oppositely connected in a matched mode along the end face, and the lamp body module comprises an LED light source module and a projection lens module. The LED light source module and the projection lens module are installed in the inner cavities of the first shell and the second shell respectively, different lamplight and projection patterns can be modularly replaced, a positioning clamping ring is further arranged at one end of the projection lens module, the positioning clamping ring and one end of the inner cavity of the second shell are located on the same plane, and the positioning clamping ring is located on the same plane. During installation and connection, the positioning clamping ring abuts against the light emitting face of the LED light source module along one end face, the projection lens module is connected to one end of the inner cavity of the second shell in a positioning mode through the positioning clamping ring, and the automobile projection lamp is easy and convenient to disassemble, assemble, install and use as a whole and high in structural connection stability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile welcome projection lamps, in particular to an automobile projection lamp. BACKGROUND

[0002] With the continuous technological progress and development of the automobile industry, automobile welcome atmosphere projection lamps not only meet the automobile lighting, but also meet the personalized automobile atmosphere decoration needs of people. Nowadays, most automobile projection lamps are of an integrated installation mode that cannot be disassembled, and the projection patterns and light effects are single. In order to achieve waterproof and dustproof and prevent the internal lamp body structure from being disassembled and replaced, a sealing glue or an internal dead lock is usually used for sealing installation, which cannot meet the diversified and modular replacement needs of people.

[0003] A clamping type adjustable projection lamp is disclosed in Chinese Patent No. CN118912442A, which comprises a lamp barrel, an outer thread provided on the lamp barrel, the lamp barrel comprising a containing cavity and a light outlet hole located at one end of the lamp barrel and in communication with the containing cavity, two clamping sleeves, the clamping sleeves comprising an inner thread matched with the outer thread, the size of the clamping sleeves being greater than that of the fixing hole, and a projection module provided in the containing cavity, which can project a preset pattern from the light outlet hole onto a projection plane. During installation, the lamp barrel is inserted through the fixing hole, and the two clamping sleeves are arranged on both sides of the fixing hole. Then, the projection position distance between the lamp barrel and the fixing hole is adjusted, and the two clamping sleeves are screwed to each other to clamp the fixing hole, thereby completing the fixation of the clamping type adjustable projection lamp. However, the lamp body and the projection module are integrally installed in one lamp barrel, and the projection module in the cylindrical containing cavity is prone to rotation and change in projection angle due to severe shaking during automobile driving. In addition, the connection between the lamp barrel and the projection module is also prone to loosening due to severe shaking, resulting in relatively low stability of the connection and sealing. UTILITARIAN CONTENT

[0004] In view of the above technical problems, the present application aims to overcome the above technical defects and provides an automobile projection lamp. The structure of the automobile projection lamp is designed in a modular manner, so that the personalized use needs of different light or projection patterns can be met by disassembling the first shell and the second shell. In addition, the structural connection between the first shell and the second shell has high stability and good waterproof and dustproof effects and positioning connection effects on the lamp body module.

[0005] Based on the above technical purpose, the present application is realized by the following technical scheme:

[0006] The application discloses a car projection lamp, which comprises an outer shell and a lamp body module installed in the inner cavity of the outer shell, wherein the outer shell comprises a first shell and a second shell, the first shell and the second shell are connected through the end surface, the lamp body module comprises an LED light source module and a projection lens module, the LED light source module is arranged in the first shell, the projection lens module is arranged in the second shell, one end of the projection lens module is provided with a positioning snap ring, the positioning snap ring is located on the same plane with one end of the inner cavity of the second shell, the positioning snap ring is abutted on the LED light source module through the end surface, and the projection lens module is detachably connected to the inner cavity of the second shell through the positioning snap ring.

[0007] Optionally, the first shell and the second shell are provided with a sealing ring on the end surface, and the sealing ring is embedded on the end surface of the first shell or the second shell.

[0008] Optionally, one end of the inner cavity of the second shell is provided with a connecting ring, one end of the inner cavity of the first shell is correspondingly provided with an inlay groove, the connecting ring and the inlay groove are connected to each other, and the positioning snap ring is detachably connected to one end of the connecting ring and located on the same plane with one end of the connecting ring.

[0009] Optionally, the sealing ring comprises a ring groove and a first sealing rubber ring, the ring groove is arranged at the intersection of the end of the connecting ring and the end surface of the second shell, and the first sealing rubber ring is embedded on the ring groove.

[0010] Optionally, the application further comprises a supporting pedestal, one end surface of the second shell is fixedly arranged on the supporting pedestal, one side of the supporting pedestal is provided with a avoiding groove, the first shell is connected between the avoiding grooves and connected to the end surface of the second shell, and the first shell is located on the same plane with the bottom end surface of the supporting pedestal.

[0011] Optionally, the supporting pedestal is provided with a rotating pivot and a limiting part in the end surface direction, and the rotating pivot is adjusted and limited in position through the limiting part.

[0012] Optionally, the positioning snap ring is provided with a light transmission channel on the inner side, the light transmission channel is abutted between the end surfaces of the LED light source module and the projection lens module, the positioning snap ring is further provided with a clamping part on the outer side, and the positioning snap ring is detachably connected to one end of the inner cavity of the second shell through the clamping part.

[0013] Optionally, the clamping part comprises a positioning protrusion, at least one positioning groove is correspondingly arranged on one end of the inner cavity of the second shell, and the projection lens module is detachably connected to the inner cavity of the second shell through the positioning protrusion and the positioning groove.

[0014] Optionally, the positioning clasp is arranged with a plurality of convex tooth strips on the outer side, and the second shell cavity is correspondingly arranged with a plurality of concave tooth grooves on one end side, and the convex tooth strips and the concave tooth grooves are connected with each other.

[0015] Optionally, the end surface of the first shell and the second shell matched and connected with each other is respectively convexly provided with an arc-shaped convex step, and a plurality of positioning columns and positioning holes matched and connected with each other are arranged on the arc-shaped convex step, and the first shell and the second shell are fixedly and matchingly connected through the positioning columns and the positioning holes.

[0016] Through the above technical solutions, the present application can achieve the following beneficial effects:

[0017] (1) The automobile projection lamp provided by the present application has the LED light source module and the projection lens module installed in the inner cavities of the first shell and the second shell respectively, so that different light sources or different projection patterns can be replaced and used respectively. The modular design can meet the personalized replacement and use requirements of the automobile projection lamp, and the disassembly, assembly and installation are simple and convenient. In addition, the positioning clasp enables the projection lens module to be stably and reliably connected and positioned in the second shell, so that the pattern projection angle will not be rotated and deviated due to the violent shaking during the driving of the automobile, and the structural connection stability is high.

[0018] (2) The sealing ring is embedded between the end surfaces of the first shell and the second shell and located on the outer side of the connecting ring and the inlaid groove, so as to have good sealing and positioning effects of waterproofing, dustproofing and structural buffering connection.

[0019] (3) The connecting ring and the inlaid groove realize the accurate installation and positioning and the convenient installation between the first shell and the second shell, improve the positioning and connection stability between the light source and the lens module, and also avoid and prevent the direct contact of the lamp body module with the outside through the gap between the connecting end surfaces of the outer shells, so as to achieve good isolation and sealing protection effects.

[0020] (4) The positioning clasp not only realizes the good positioning and connection of the projection lens module, but also realizes the good light condensing effect of the light projected from the light emitting surface of the LED light source module, so that the light rays are converged in the central region of the projection lens through the light transmission channel, thereby improving the projection imaging quality and greatly avoiding the problem of insufficient projection light and shadow effect caused by the scattering and interference of the light rays from the light emitting surface.

[0021] (5) The projection lens module can be positioned and installed in the positioning grooves at different angle positions in the end inner cavity of the second shell through the positioning protrusions on the positioning clasp, so as to realize the diversified angle positioning and installation requirements of the projection lens module.

[0022] (6) As another implementation manner, the positioning ring arranged on the outer circumferential side of the clasp is provided with a plurality of convex tooth strips, the one end of the inner cavity of the second shell is arranged with a plurality of concave tooth grooves, and the projection lens module and the second shell are connected in a positioning and matching mode through the engagement of the convex tooth strips and the concave tooth grooves.

[0023] (7) The second shell is fixedly arranged on one end surface of the support pedestal at a certain inclined projection angle, the first shell is connected between the avoidance grooves and is connected with the second shell in a matching mode along the end surface, the support pedestal provides a good positioning and supporting connection for the structural connection between the first shell and the second shell, and the structural connection stability of the whole automobile projection lamp is improved.

[0024] (8) The first shell and the second shell are connected in a fixed and matching mode through the positioning column and the positioning hole, the connection and sealing effect of the connection end surface and the sealing ring is further promoted, and better connection stability is achieved between the connection end surfaces. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic diagram of the three-dimensional structure of the automobile projection lamp according to the embodiment of the present application;

[0026] Figure 2 is another schematic diagram of the three-dimensional structure of the automobile projection lamp according to the embodiment of the present application;

[0027] Figure 3 is a schematic diagram of the structural decomposition of the automobile projection lamp according to the embodiment of the present application;

[0028] Figure 4 is a schematic diagram of the cross-sectional structure of the automobile projection lamp according to the embodiment of the present application;

[0029] Figure 5 is a schematic diagram of the structural separation of the first shell and the second shell according to the embodiment of the present application;

[0030] Figure 6 is a schematic diagram of the structure of the first shell according to the embodiment of the present application;

[0031] Figure 7 is a schematic diagram of the structure of the second shell according to the embodiment of the present application.

[0032] Fig. 1 is an outer shell; 2, a lamp body module; 11, a first shell; 12, a second shell; 10, a support pedestal; 21, an LED light source module; 22, a projection lens module; 20, a positioning snap ring; 201, a light transmission channel; 202, a positioning protrusion; 122, a positioning groove; 120, a connecting ring; 121, a light outlet hole; 110, an inlaid groove; 111, a wiring hole; 13, a sealing ring; 131, an annular groove; 132, a first sealing rubber ring; 133, a second sealing rubber ring; 100, an avoidance groove; 101, a rotating pivot; 102, a limiting portion; 30, an arc-shaped convex step; 31, a positioning column; 32, a positioning hole; 210, an electric connecting wire; 211, an LED light source panel; 212, a heat dissipation module; 221, a light condensing module; 222, a film module; 223, an imaging module. DETAILED DESCRIPTION

[0033] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described with reference to the accompanying drawings, but the protection scope of the present application is not limited to the following description.

[0034] In combination with the accompanying Figures 1-7 The present application provides an automobile projection lamp, which comprises a cylindrical straight tube shaped outer shell 1 and a lamp body module 2 installed in the inner cavity of the outer shell 1. The outer shell 1 comprises a first shell 11 and a second shell 12. The first shell 11 and the second shell 12 are connected along an end face. The lamp body module 2 comprises an LED light source module 21 and a projection lens module 22. The LED light source module 21 is arranged in the first shell 11. The projection lens module 22 is arranged in the second shell 12. One end of the projection lens module 22 is provided with a positioning snap ring 20. The positioning snap ring 20 is on the same plane as the opening end of the inner cavity of the second shell 12. The positioning snap ring 20 can abut on the light emitting surface of the LED light source module 21 along an end face. The projection lens module 22 is detachably connected to the inner cavity of the second shell 12 through the positioning snap ring 20.

[0035] Specifically, the LED light source module 21 comprises a heat dissipation module 212 and an LED light source panel 211, the first shell 11 bottom through cavity is provided with a wiring hole 111, the heat dissipation module 212 is positioned and installed in the first shell 11 cavity bottom, the LED light source panel 211 is abutted on the heat dissipation module 212 along the bottom side end face, and is oriented to the opening end of the second shell 12 inner cavity along the light emitting surface, the LED light source panel 211 is arranged with a plurality of lamp beads along the top surface, and is electrically connected with the electric connecting wire 210 along the bottom surface, the electric connecting wire 210 is threaded through the connecting channel and communicated with the outside of the outer shell 1 through the wiring hole 111, the wiring hole 111 and the electric connecting wire 210 are connected by cooperating with sealing glue or sealing rubber sleeve, and the dustproof and waterproof sealing effect of the outer shell 1 inner cavity is realized.

[0036] Specifically, the projection lens module 22 comprises a condensing module 221, a film module 222 and an imaging module 223 which are sequentially fixed and arranged from the LED light source module 21 to the light emitting hole 121, the film module 222 is embedded with a film, and the structure of the condensing module 221, the film module 222 and the imaging module 223 is the prior art known by those skilled in the art, which is not described here in detail, the positioning ring 20 is fixed on one end of the condensing module 221, the light emitting hole 121 is through in one end of the second shell 12 inner cavity, the imaging module 223 is positioned and connected between the light emitting holes 121, and the second sealing rubber ring 133 is abutted and connected between the inner side of the light emitting hole 121 and the end surface of the imaging module 223.

[0037] Further, the positioning ring 20 is in the form of a circular ring, the inner side of the positioning ring 20 is provided with a light transmission channel 201, the light transmission channel 201 is abutted between the end surfaces of the LED light source module 21 and the projection lens module 22, the light emitting surface of the LED light source module 21 transmits light to the projection lens module 22 through the light transmission channel 201, and projects out from the light emitting hole 121, the positioning ring 20 is further provided with a clamping portion along the outer side, and the positioning ring 20 is detachably positioned and connected to one end of the second shell 12 inner cavity through the clamping portion.

[0038] Further, the clamping portion comprises a positioning protrusion 202, and one end side of the inner cavity of the second shell 12 is correspondingly provided with at least one positioning recess 122, and the projection lens module 22 is detachably positioned and connected between the inner cavities of the second shell 12 through the positioning protrusion 202 and the positioning recess 122. Preferably, the positioning recess 122 is provided with a plurality of positioning recesses 122, which are arranged in the radial direction on one end side of the inner cavity of the second shell 12. The positioning ring 20 is clamped and positioned on the plurality of positioning recesses 122 at different angles through the positioning protrusion 202, so as to realize the installation requirement of the projection lens module 22 at different positioning angles.

[0039] As another embodiment, the clamping portion is a plurality of convex tooth strips arranged in the radial direction on the outer side of the positioning ring 20, and a plurality of concave tooth grooves are arranged in the radial direction on one end side of the inner cavity of the second shell 12. The convex tooth strips and the concave tooth grooves are connected with each other in meshing mode, so as to realize the positioning connection between the projection lens module 22 and the inner cavity of the second shell 12.

[0040] Further, the first shell 11 and the second shell 12 are relatively connected along one end face, wherein one end of the inner cavity of the second shell 12 is provided with a connecting ring 120, and one end of the inner cavity of the first shell 11 is correspondingly provided with an inlay groove 110. The connecting ring 120 is detachably positioned and connected between the inlay groove 110, and the positioning ring 20 is detachably positioned and connected on one end of the connecting ring 120 and is in the same plane with one end of the connecting ring 120.

[0041] Further, the first shell 11 and the second shell 12 are relatively provided with a sealing ring 13 along the end face. The sealing ring 13 is inlaid on the end face of the first shell 11 or the second shell 12. Specifically, the sealing ring 13 comprises an annular groove 131 and a first sealing rubber ring 132. The annular groove 131 is annularly arranged on the outer side of one end of the connecting ring 120 and at the intersection of the end face of the second shell 12. The first sealing rubber ring 132 is inlaid and connected on the annular groove 131. When the connecting ring 120 is connected with the inlay groove 110, the first sealing rubber ring 132 is abutted and connected on the end face of the first shell 11 away from the second shell 12.

[0042] Further, a supporting base 10 is further included, the second shell 12 is arranged on one end surface of the supporting base 10, preferably, the second shell 12 is integrally formed with the supporting base 10, a fixed projection angle a is formed between the central axis of the second shell 12 and the end surface of the supporting base 10, the fixed projection angle is 10°≤a≤20°, so as to improve the accuracy and convenience of the installation in the projection direction; the supporting base 10 is provided with a rotating pivot 101 and a limiting part 102 along the end surface direction, the rotating pivot 101 is eccentrically arranged on the supporting base 10, the rotating pivot 101 is protruded from one end surface of the supporting base 10 away from the second shell 12, the rotating pivot 101 is located on one side of the second shell 12, the limiting part 102 is an arc-shaped through hole, the limiting part 102 is located on one end of the second shell 12 close to the light outlet hole 121, the supporting base 10 realizes the rotating adjustment and limiting of the rotating pivot 101 through the arc-shaped through hole of the limiting part 102; specifically, the side of the supporting base 10 close to the opening end of the inner cavity of the second shell 12 is further provided with an avoiding groove 100, the avoiding groove 100 is in the same plane with one end surface of the second shell 12, the first shell 11 is connected between the avoiding grooves 100 and is in the same central axis with the second shell 12, so as to realize the protection of the second shell 12 from being easily damaged by collision, improve the stability of the overall structure connection, meanwhile, the first shell 11 and the bottom end surface of the supporting base 10 are in the same plane, so as to facilitate the rotation and installation of the supporting base 10, the supporting base 10 realizes the stable and reliable installation support and fixing effect between the first shell 11 and the second shell 12, and the overall structure improves the convenience of modular installation and disassembly.

[0043] Further, one end surface of the first shell 11 and the second shell 12 matched and connected respectively protrudes an arc-shaped convex step 30, a plurality of matched and connected positioning columns 31 and positioning holes 32 are arranged on the arc-shaped convex step 30, the positioning columns 31 and the positioning holes 32 are matched and connected through internal and external threads, the first shell 11 and the second shell 12 are positioned and connected through the positioning columns 31 and the positioning holes 32.

[0044] The specific embodiment is the preferred implementation manner of the utility model, and does not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A car projection lamp, comprising a housing (1) and a lamp module (2) installed in the inner cavity of the housing (1), characterized in that, The outer shell (1) includes a first shell (11) and a second shell (12). The first shell (11) and the second shell (12) are connected to each other along their end faces. The lamp module (2) includes an LED light source module (21) and a projection lens module (22). The LED light source module (21) is located inside the first shell (11), and the projection lens module (22) is located inside the second shell (12). One end of the projection lens module (22) is provided with a positioning ring (20). The positioning ring (20) and one end of the inner cavity of the second shell (12) are on the same plane. The positioning ring (20) abuts against the LED light source module (21) along one end face. The projection lens module (22) is detachably positioned and connected to the inner cavity of the second shell (12) through the positioning ring (20).

2. The automotive projection lamp according to claim 1, characterized in that, A sealing ring (13) is provided on the end face of the first housing (11) and the second housing (12), and the sealing ring (13) is embedded on the end face of the first housing (11) or the second housing (12).

3. The automotive projection lamp according to claim 2, characterized in that, The second housing (12) has a connecting ring (120) protruding from one end of its inner cavity, and the first housing (11) has an inlay groove (110) correspondingly recessed at one end of its inner cavity. The connecting ring (120) and the inlay groove (110) are connected to each other. The positioning ring (20) is detachably positioned and connected to one end of the connecting ring (120) and is on the same plane as one end of the connecting ring (120).

4. The automotive projection lamp according to claim 3, characterized in that, The sealing ring (13) includes an annular groove (131) and a first sealing ring (132). The annular groove (131) is located at the intersection of the end of the connecting ring (120) and the end face of the second housing (12). The first sealing ring (132) is embedded and connected to the annular groove (131).

5. The automotive projection lamp according to claim 1, characterized in that, It also includes a support base (10), the second housing (12) is fixedly disposed on one end face of the support base (10), the support base (10) is provided with a clearance groove (100) on one side, the first housing (11) is connected between the clearance groove (100) and is mutually connected with one end face of the second housing (12), the first housing (11) and the bottom end face of the support base (10) are on the same plane.

6. A car projection lamp according to claim 5, characterized in that, The support base (10) is provided with a rotating pivot (101) and a limiting part (102) along the end face direction. The support base (10) realizes the rotation adjustment and limiting of the rotating pivot (101) through the limiting part (102).

7. The automotive projection lamp according to claim 1, characterized in that, The positioning ring (20) has a light-transmitting channel (201) along its inner side. The light-transmitting channel (201) abuts between the end faces of the LED light source module (21) and the projection lens module (22). The positioning ring (20) also has a retaining part along its outer side. The positioning ring (20) is detachably positioned and connected to one end of the inner cavity of the second housing (12) through the retaining part.

8. A car projection lamp according to claim 7, characterized in that, The holding part includes a positioning protrusion (202), and at least one positioning groove (122) is provided at one end of the inner cavity of the second housing (12). The projection lens module (22) is detachably positioned and connected to the inner cavity of the second housing (12) through the positioning protrusion (202) and the positioning groove (122).

9. A car projection lamp according to claim 1, characterized in that, The positioning ring (20) has multiple convex toothed racks arranged along its outer side, and multiple concave toothed grooves are arranged on one side of the inner cavity of the second housing (12), and the convex toothed racks and concave toothed grooves are meshed with each other.

10. A car projection lamp according to claim 1, characterized in that, The first housing (11) and the second housing (12) are respectively provided with arc-shaped protrusions (30) on one end face of mutual connection. Multiple positioning posts (31) and positioning holes (32) are arranged on the arc-shaped protrusions (30) and are mutually connected. The first housing (11) and the second housing (12) are mutually fixed and connected through the positioning posts (31) and positioning holes (32).

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