Light-transmitting-proof headlamp adopting secondary injection molding process

By installing a light blocking kit on the circumferential side walls of the transparent lampshade parts of the electric vehicle lamp, the secondary injection molding process is used to form the lampshade body to prevent light from penetrating, the problem of unreasonable luminous position of the electric vehicle lamp is solved and the safety of driving at night is improved.

CN223090469UActive Publication Date: 2025-07-11TAILG SCIENCE AND TECHNOLOGY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422311179.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-11
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The light luminous position of electric vehicle lamps is unreasonable. Light passes through the circumferential side walls of transparent parts and illuminates the surrounding accessories, affecting the cyclist's line of sight and posing a safety hazard.

Method used

By adopting the secondary injection molding process, a light blocking kit is installed on the circumferential side wall of the transparent lampshade piece to block light and form a lampshade body to prevent light from penetrating, so that only light is emitted in front of the transparent lampshade piece.

Benefits of technology

It solves the problem of unreasonable lighting position of electric vehicle lamps, ensures that light only illuminates in front of the transparent lampshade, and improves the safety of driving at night.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223090469U_ABST
    Figure CN223090469U_ABST
Patent Text Reader

Abstract

The utility model provides a light-transmitting-proof headlamp adopting a secondary injection molding process, relates to the technical field of electric vehicle lamps, and solves the technical problem of unreasonable light emitting positions of electric vehicle lamps in the prior art. The device comprises a transparent lampshade piece and a light blocking suite, the light blocking suite is arranged on the circumferential side wall of the transparent lampshade piece in a sleeving mode and used for blocking part of light sources irradiated on the transparent lampshade piece, and the light blocking suite and the transparent lampshade piece are connected to form a lampshade body.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle lamps and appliances, in particular to a headlamp with light-proof function by using a secondary injection molding process. Background Art

[0002] At present, there is a problem of light transmission in electric vehicle lamps after being lit, that is, the light-emitting position is unreasonable, which poses a safety hazard during night driving. Specifically, the outer cover of the electric vehicle lamp is a PC transparent part. After the lamp is lit, the light will pass through the circumferential side wall of the PC transparent part and then irradiate on the surrounding accessories, resulting in the surrounding accessories "emitting light" and affecting the rider's line of sight. Content of the Utility Model

[0003] The purpose of the utility model is to provide a headlamp with light-proof function by using a secondary injection molding process to solve the technical problem of unreasonable light-emitting position in existing electric vehicle lamps. The preferred technical solutions provided by the utility model can produce many technical effects, which will be elaborated below.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A headlamp with light-proof function by using a secondary injection molding process provided by the utility model includes a transparent lamp cover part and a light-blocking kit. Among them, the light-blocking kit is sleeved on the circumferential side wall of the transparent lamp cover part and is used to block part of the light source irradiated on the transparent lamp cover part. The light-blocking kit is connected to the transparent lamp cover part to form a lamp cover body.

[0006] Optionally, the transparent lamp cover part includes an arc-shaped front plate, a side wall ring plate and a connecting part. The arc-shaped front plate is fixedly connected to one side of the side wall ring plate, and the other side of the side wall ring plate is fixedly connected to the connecting part. The light-blocking kit is sleeved on the side wall ring plate.

[0007] Optionally, a plurality of positioning posts are arranged on the light-blocking kit, and a plurality of positioning holes are arranged on the transparent lamp cover part. The number of the positioning posts and the positioning holes is the same and they are connected in one-to-one correspondence.

[0008] Optionally, the light-blocking kit includes a light-blocking ring plate and a connecting ring. The end of the light-blocking ring plate is fixedly connected to the connecting ring. The outer diameter of the connecting ring is larger than the outer diameter of the light-blocking ring plate. The light-blocking ring plate is sleeved on the circumferential side wall of the transparent lamp cover part, and the positioning posts are arranged on the connecting ring.

[0009] Optionally, the positioning posts and the light-blocking ring plate are respectively located on both sides of the connecting ring.

[0010] Optionally, a plurality of reinforcing plates are provided on the connecting ring, and the reinforcing plates and the positioning posts are located on both sides of the connecting ring respectively.

[0011] Optionally, the connecting portion includes a fixing ring and a connecting sleeve. The fixing ring is sleeved on the connecting sleeve and fixedly connected to the connecting sleeve. The end of the connecting sleeve is fixedly connected to the other side of the side wall ring plate. A plurality of reinforcing ribs are provided between the fixing ring and the connecting sleeve;

[0012] A positioning hole is provided on the fixing ring, and a plurality of clamping portions are provided on the connecting sleeve.

[0013] Optionally, it further includes a lamp body, and the lamp body is clamped and connected to the rear end of the transparent lamp cover member.

[0014] Optionally, the light-blocking kit is a one-shot injection molded part, and the lamp cover body is a two-shot injection molded part.

[0015] A headlamp with light-proof function using a two-shot injection molding process provided by the present invention. The light-blocking kit is sleeved on the circumferential side wall of the transparent lamp cover member, and the light-blocking kit and the transparent lamp cover member are connected to form a lamp cover body. When the electric vehicle lamp is lit, although the light will penetrate the circumferential side wall of the transparent lamp cover member, it will be blocked by the light-blocking kit, so that the light will not penetrate the light-blocking kit, thereby preventing the surrounding accessories from emitting light, and only the front of the transparent lamp cover member emits light, solving the technical problem of unreasonable light-emitting position of the existing electric vehicle lamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 FIG. is a schematic structural diagram of a headlamp with light-proof function using a two-shot injection molding process provided by an embodiment of the present invention;

[0018] Figure 2 FIG. is a schematic structural diagram of another side of a headlamp with light-proof function using a two-shot injection molding process provided by an embodiment of the present invention;

[0019] Figure 3 FIG. is a schematic structural diagram of the transparent lamp cover member of a headlamp with light-proof function using a two-shot injection molding process provided by an embodiment of the present invention;

[0020] Figure 4It is a schematic structural diagram of another side of a transparent lamp cover part of a light-tight headlamp adopting a two-shot injection molding process provided by an embodiment of the present invention;

[0021] Figure 5 It is a schematic structural diagram of a light-blocking kit of a light-tight headlamp adopting a two-shot injection molding process provided by an embodiment of the present invention;

[0022] Figure 6 It is a schematic structural diagram of another side of a light-blocking kit of a light-tight headlamp adopting a two-shot injection molding process provided by an embodiment of the present invention.

[0023] In the figure, 1 is the transparent lamp cover part; 11 is the arc-shaped front plate; 12 is the side wall ring plate; 13 is the connecting part; 131 is the positioning hole; 132 is the fixing ring; 133 is the connecting sleeve; 134 is the reinforcing rib; 135 is the clamping part;

[0024] 2 is the light-blocking kit; 21 is the light-blocking ring plate; 22 is the connecting ring; 221 is the positioning post; 222 is the reinforcing plate;

[0025] 3 is the lamp body. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other implementation manners obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The present utility model provides a light-transmission-proof headlamp using a two-shot injection molding process, which includes a transparent lamp cover member 1 and a light-blocking kit 2. Among them, the light-blocking kit 2 is sleeved on the circumferential side wall of the transparent lamp cover member 1 and is used to block part of the light source irradiated on the transparent lamp cover member 1. The light-blocking kit 2 is connected to the transparent lamp cover member 1 to form a lamp cover body. For the light-transmission-proof headlamp using a two-shot injection molding process provided by the present utility model, the light-blocking kit 2 is sleeved on the circumferential side wall of the transparent lamp cover member 1, and the light-blocking kit 2 is connected to the transparent lamp cover member 1 to form a lamp cover body. When the electric vehicle lamp is lit, although the light will penetrate the circumferential side wall of the transparent lamp cover member 1, it will be blocked by the light-blocking kit 2, so that the light will not penetrate the light-blocking kit 2, thereby preventing the surrounding accessories from emitting light, and only the front of the transparent lamp cover member emits light, solving the technical problem of the unreasonable light-emitting position of the electric vehicle lamp in the prior art.

[0030] As an optional implementation manner, the transparent lamp cover member 1 includes an arc-shaped front plate 11, a side wall ring plate 12, and a connecting portion 13. The arc-shaped front plate 11 is fixedly connected to one side of the side wall ring plate 12, and the other side of the side wall ring plate 12 is fixedly connected to the connecting portion 13. The light-blocking kit 2 is sleeved on the side wall ring plate 12. The diameter of the end of the arc-shaped front plate 11 is greater than the diameter of the side wall ring plate 12, and the diameter of the end of the connecting portion 13 is greater than the diameter of the side wall ring plate 12. After the light-blocking kit 2 is sleeved on the side wall ring plate 12, the axial movement of the light-blocking kit 2 can be restricted. A positioning hole 131 is provided on the connecting portion 13.

[0031] As an optional implementation manner, a plurality of positioning posts 221 are provided on the light-blocking kit 2, and a plurality of positioning holes 131 are provided on the transparent lamp cover member 1. The number of the positioning posts 221 and the positioning holes 131 is the same and they are connected in one-to-one correspondence. The positioning posts 221 and the positioning holes 131 are used to restrict the circumferential movement of the light-blocking kit 2.

[0032] As an optional implementation manner, the light-blocking kit 2 includes a light-blocking annular plate 21 and a connecting ring 22. The end of the light-blocking annular plate 21 is fixedly connected to the connecting ring 22. The outer diameter of the connecting ring 22 is larger than the outer diameter of the light-blocking annular plate 21. The light-blocking annular plate 21 is sleeved on the circumferential side wall of the transparent lamp cover member 1. The light-blocking annular plate 21 is used to block light, or the light-blocking annular plate 21 can reflect the light irradiated on the inner wall of the light-blocking annular plate 21 back into the transparent lamp cover member 1, or part of the light irradiated on the inner wall of the light-blocking annular plate 21 can be absorbed by the light-blocking annular plate 21. Positioning columns 221 are arranged on the connecting ring 22, and a plurality of positioning columns 221 are distributed along the circumferential direction of the connecting ring 22.

[0033] As an optional implementation manner, the positioning columns 221 and the light-blocking annular plate 21 are respectively located on both sides of the connecting ring 22. A plurality of reinforcing plates 222 are arranged on the connecting ring 22. The reinforcing plates 222 and the positioning columns 221 are respectively located on both sides of the connecting ring 22, and the reinforcing plates 222 and the light-blocking annular plate 21 are located on the same side of the connecting ring 22.

[0034] As an optional implementation manner, the connecting portion 13 includes a fixing ring 132 and a connecting sleeve 133. The fixing ring 132 is sleeved on the connecting sleeve 133 and the fixing ring 132 is fixedly connected to the connecting sleeve 133. The end of the connecting sleeve 133 is fixedly connected to the other side of the side wall ring plate 12. The fixing ring 132 is close to the other side of the side wall ring plate 12. A plurality of reinforcing ribs 134 are arranged between the fixing ring 132 and the connecting sleeve 133. The reinforcing ribs 134 are used to strengthen the connection between the fixing ring 132 and the connecting sleeve 133;

[0035] Positioning holes 131 are arranged on the fixing ring 132, and a plurality of positioning holes 131 are distributed along the circumferential direction of the fixing ring 132. A plurality of clamping portions 135 are arranged on the connecting sleeve 133.

[0036] As an optional implementation manner, it further includes a lamp body 3. The lamp body 3 is clamped and connected to the rear end of the transparent lamp cover member 1. The lamp body 3 is sleeved on the connecting sleeve 133, and the lamp body 3 is clamped and connected to the clamping portions 135.

[0037] As an optional implementation manner, the light-blocking kit 2 is a one-shot injection molded part, and the lamp shade body is a two-shot injection molded part. The material used for the light-blocking kit 2 is black opaque PC material, and the material used for the transparent lamp cover member 1 is transparent PC material. First, the light-blocking kit 2 is injection molded using an injection mold, and then the injection molded light-blocking kit 2 is placed into another injection mold, and then injection liquid is added, and the lamp shade body is injection molded through two-shot injection.

[0038] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claimed rights.

Claims

1. A front headlamp with anti-light-transmission function using the two-shot injection molding process, characterized in that, It includes a transparent lamp shade member (1) and a light-blocking kit (2). Among them, the light-blocking kit (2) is sleeved on the circumferential side wall of the transparent lamp shade member (1) and is used to block part of the light source irradiated on the transparent lamp shade member (1). The light-blocking kit (2) is connected to the transparent lamp shade member (1) to form a lamp shade body.

2. The anti-translucent headlamp using the two-shot injection molding process according to claim 1, characterized in that, The transparent lamp shade member (1) includes an arc-shaped front plate (11), a side wall ring plate (12) and a connecting portion (13). The arc-shaped front plate (11) is fixedly connected to one side of the side wall ring plate (12), and the other side of the side wall ring plate (12) is fixedly connected to the connecting portion (13). The light-blocking kit (2) is sleeved on the side wall ring plate (12).

3. The anti-translucent headlamp using a two-shot injection molding process according to claim 1, characterized in that, A plurality of positioning posts (221) are provided on the light-blocking kit (2), and a plurality of positioning holes (131) are provided on the transparent lamp shade member (1). The number of the positioning posts (221) and the positioning holes (131) is the same and they are connected in one-to-one correspondence.

4. A light-transmission-proof headlamp using a two-shot injection molding process according to claim 3, characterized in that The light-blocking kit (2) includes a light-blocking ring plate (21) and a connecting ring (22). The end of the light-blocking ring plate (21) is fixedly connected to the connecting ring (22). The outer diameter of the connecting ring (22) is larger than the outer diameter of the light-blocking ring plate (21). The light-blocking ring plate (21) is sleeved on the circumferential side wall of the transparent lamp shade member (1), and the positioning posts (221) are provided on the connecting ring (22).

5. A light-transmission-proof headlamp using a two-shot injection molding process according to claim 4, characterized in that, The positioning posts (221) and the light-blocking ring plate (21) are respectively located on both sides of the connecting ring (22).

6. A light-transmission-proof headlamp using a two-shot injection molding process according to claim 4, characterized in that, A plurality of reinforcing plates (222) are provided on the connecting ring (22). The reinforcing plates (222) and the positioning posts (221) are respectively located on both sides of the connecting ring (22).

7. The anti-translucent headlamp using a two-shot injection molding process according to claim 2, characterized in that, The connecting portion (13) includes a fixing ring (132) and a connecting sleeve (133). The fixing ring (132) is sleeved on the connecting sleeve (133) and the fixing ring (132) is fixedly connected to the connecting sleeve (133). The end of the connecting sleeve (133) is fixedly connected to the other side of the side wall ring plate (12). A plurality of reinforcing ribs (134) are provided between the fixing ring (132) and the connecting sleeve (133); Positioning holes (131) are provided on the fixing ring (132), and a plurality of clamping portions (135) are provided on the connecting sleeve (133).

8. A light-transmission-proof headlamp using a two-shot injection molding process according to claim 1, characterized in that, It further includes a lamp body (3), and the lamp body (3) is clamped and connected to the rear end of the transparent lamp shade member (1).

9. A light-transmission-proof headlamp using a two-shot injection molding process according to any one of claims 1-8, characterized in that, The light-blocking kit (2) is a one-shot injection molded part, and the lamp shade body is a two-shot injection molded part.