Headlamp sealing rear cover
By incorporating stepped sealing plugs and adjusting springs into the headlight sealing cover, the problem of reduced sealing performance is solved, resulting in a higher sealing effect and longer service life.
Patent Information
- Application Number
- CN202423231941.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The sealing performance of existing headlight covers deteriorates over time, leading to a decrease in the seal between the cover and the headlight housing and a shortened lifespan.
A stepped sealing plug is installed inside the headlight sealing cover, and an adjusting spring is installed between the sealing plug and the cover. Through compression engagement and adjustment limit, the contact area and stability between the sealing plug and the housing are increased.
It improves the sealing effect and service life of the sealing cover, prevents the sealing plug from falling off during long-term use, and enhances sealing performance and stability.
Smart Images

Figure CN223564052U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of sealing cover application, especially to a front headlamp sealing rear cover. BACKGROUND
[0002] The front headlamp sealing rear cover refers to the rear part of the automobile headlamp (i.e. the front headlamp) having a sealed cover, which is usually used to protect the internal structure of the headlamp, prevent dust, moisture and the like from entering, and also helps to improve the brightness and service life of the headlamp.
[0003] The existing front headlamp sealing rear cover is generally directly clamped inside the shell of the headlamp during use, and the cover body only seals the port position of the shell, which causes damage to the sealing part during long-term use, reduces the sealing property between the cover body and the headlamp shell, and the overall arrangement of the cover body causes hardening of the cover body during long-term use, thereby reducing the service life and sealing effect. SUMMARY
[0004] The utility model provides a front headlamp sealing rear cover, which is provided with a step type sealing plug inside the rear cover, so that the sealing effect of the cover body installation part can be improved by using the sealing plug when the cover body is installed on the headlamp, and an adjusting spring is arranged between the sealing plug and the cover body, which can adjust and limit the extrusion space of the sealing plug, increase the contact area of the step type sealing plug extending into the inside of the headlamp shell, and improve the sealing effect.
[0005] To solve the above technical problems, the utility model adopts one technical scheme, which provides a front headlamp sealing rear cover, which comprises a cover body, a sealing plug is clamped and connected to the top of the cover body, a positioning column is fixedly connected to the inner bottom center of the cover body, an adjusting spring is threadedly sleeved on the outer wall of the positioning column, a step elastic part is fixedly connected to the middle position of the sealing plug, and the end face position of the step elastic part is arranged in an arc shape, and the end face of the adjusting spring abuts against the inner top center of the step elastic part.
[0006] The utility model is further provided with the following arrangement: the inside of the cover body is hollow, and the bottom is provided with a protruding part, a plurality of reinforcing plates are fixedly connected to the bottom of the cover body near the outer wall in a uniform manner, the plurality of reinforcing plates are arranged in a circumferential direction at equal intervals, and a bent buckle plate is fixedly connected to the bottom of the cover body near the inclined surface in a symmetrical manner.
[0007] Through the above technical scheme, the cover body can be conveniently installed and fixed by using the bent buckle plate, and can be conveniently buckled open and disassembled in the later period, and the strength of the cover body can be improved by using the plurality of reinforcing plates.
[0008] The utility model further sets up: the outer wall top position of sealing plug is fixedly connected with L type side, L type side is connected in the connecting groove of cover body top opening, and L type side has extrusion pressure of outward expansion.
[0009] Through the above technical scheme, when the cover body is installed on the sealing plug, the connecting groove is used for extrusion type clamping installation, and the L type side of the outer wall of the sealing plug is extruded outward, so that the sealing plug can be stably sealed and connected inside the shell of the headlamp.
[0010] The utility model further sets up: the outer wall of L type side evenly is provided with a plurality of antiskid strips, and a plurality of antiskid strips are zigzag setting.
[0011] Through the above technical scheme, when the sealing plug is installed, it can be connected by extruding the external zigzag antiskid strip, so that it can maintain sealing stability in use and prevent falling off in long-term use.
[0012] The utility model further sets up: the inner wall of L type side is fixedly connected with the snap ring, and one side of the snap ring is provided with a slope, the outer wall middle position of connecting groove is provided with a clamping groove, and is connected with the snap ring extrusion type.
[0013] Through the above technical scheme, when the cover body is installed inside the sealing plug, the L type side can be extruded by the position of the connecting groove, so that its outer wall is stably attached to the inner wall of the shell of the headlamp, and the snap ring is clamped in the clamping groove, realizing the tensioning and fixing of the sealing plug.
[0014] The utility model further sets up: the inner wall corner of sealing plug is evenly fixedly connected with a plurality of reinforcing angle plates, and a plurality of reinforcing angle plates are provided with triangular plates.
[0015] Through the above technical scheme, a plurality of reinforcing angle plates can reinforce the inner wall corner of the sealing plug, so that it can remain stable when the cover body is installed and extruded, preventing deformation when extruded and installed.
[0016] The utility model further sets up: the step elasticity part is made of a plurality of sleeves which are sequentially wrapped from inside to outside, and the plurality of sleeves are arranged in a ladder shape from bottom to top, and the connection positions between them are U-shaped.
[0017] Through the above technical scheme, the step elasticity part is extruded and sealed inside the shell of the headlamp by using the elastic step elasticity part, and the service life of the step elasticity part can be improved by the flexibility.
[0018] The utility model has the advantages of the following:
[0019] 1.The utility model provides a front headlamp sealing back cover sets up the step type sealing plug in the inside of back cover, makes when installing on the front headlamp, can utilize sealing plug to improve the sealing effect of cover body installation place,
[0020] 2.The utility model provides a front headlamp sealing back cover sets up the step type sealing plug in the inside of back cover, makes when installing on the front headlamp, can utilize sealing plug to improve the sealing effect of cover body installation place, BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the first structure diagram of the utility model kind of front headlamp sealing back cover,
[0022] Figure 2 It is the second structure diagram of the utility model kind of front headlamp sealing back cover,
[0023] Figure 3 It is the section structure diagram of the utility model kind of front headlamp sealing back cover,
[0024] Figure 4 It is Figure 3 It is the enlarged view of A place in the middle,
[0025] Figure 5 It is the explosion drawing of the utility model kind of front headlamp sealing back cover.
[0026] In the drawing: 1, cover body;11, reinforcing plate;12, bending buckle plate;13, connecting groove;14, clamping groove;15, positioning column;2, sealing plug;21, L type side;22, antiskid strip;23, snap ring;24, reinforcing angle plate;25, step elastic part;3, adjusting spring. DETAILED DESCRIPTION
[0027] The preferable embodiments of the utility model are described in detail in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.
[0028] For example, Figures 1-5As shown, a sealing rear cover of a headlamp includes a cover body 1, the inside of the cover body 1 is hollow, and the bottom is provided with a protruding part, a plurality of reinforcing plates 11 are uniformly and fixedly connected to the bottom of the cover body 1 near the outer wall position, and the plurality of reinforcing plates 11 are arranged at equal intervals in the circumferential direction, a bent buckle plate 12 is symmetrically and fixedly connected to the bottom of the cover body 1 near the inclined surface position, the bent buckle plate 12 is convenient for installing and fixing the cover body 1, and is convenient for buckling and disassembling later, and the plurality of reinforcing plates 11 can improve the strength of the cover body 1, a sealing plug 2 is snap-connected to the top of the cover body 1, an L-shaped edge 21 is fixedly connected to the top of the outer wall of the sealing plug 2, the L-shaped edge 21 is snap-connected to a connecting groove 13 opened at the top of the cover body 1, and the L-shaped edge 21 has an outward expansion extrusion force, which is convenient for extrusion snap installation of the cover body 1 on the sealing plug 2, and outward expansion extrusion of the L-shaped edge 21 of the outer wall of the sealing plug 2, so that the sealing plug 2 can be stably and sealingly connected inside the shell of the headlamp, a plurality of anti-skid strips 22 are uniformly arranged on the outer wall of the L-shaped edge 21, and the plurality of anti-skid strips 22 are arranged in a zigzag shape, which is convenient for extrusion connection of the external zigzag anti-skid strips 22 when the sealing plug 2 is installed, so that it can maintain sealing stability in use, prevent falling off in long-term use, the inner wall of the L-shaped edge 21 is fixedly connected to a clamping ring 23, one side of the clamping ring 23 is arranged in an inclined surface, a clamping groove 14 is opened at the middle position of the outer wall of the connecting groove 13, and is extrusion snap-connected with the clamping ring 23, which is convenient for extruding the L-shaped edge 21 through the position of the connecting groove 13 when the cover body 1 is installed inside the sealing plug 2, so that the outer wall is stably attached to the inner wall of the shell of the headlamp, and the clamping ring 23 is snap-connected inside the clamping groove 14, so as to realize tensioning and fixing of the sealing plug 2, a positioning column 15 is fixedly connected to the inner bottom center of the cover body 1, an adjusting spring 3 is threadedly sleeved on the outer wall of the positioning column 15, a stepped elastic part 25 is fixedly connected to the middle position of the sealing plug 2, the end surface position of the stepped elastic part 25 is arranged in an arc shape, the end surface of the adjusting spring 3 is abutted to the inner top center of the stepped elastic part 25, a plurality of reinforcing angle plates 24 are uniformly fixedly connected to the inner wall corners of the sealing plug 2, and the plurality of reinforcing angle plates 24 are arranged in a triangular plate shape, the plurality of reinforcing angle plates 24 can reinforce the inner wall corners of the sealing plug 2, so that it can remain stable when the cover body 1 is installed and extruded, prevent deformation when extruded and installed, the stepped elastic part 25 is made of a plurality of sleeves arranged from inside to outside, the plurality of sleeves are arranged in a stepped shape from bottom to top, and are arranged in a U-shaped structure at the connection positions therebetween, which is convenient for extrusion sealing of the stepped elastic part 25 arranged in an elastic manner inside the shell of the headlamp, and the flexible arrangement can improve the service life of the stepped elastic part 25.
[0029] The utility model discloses when using, first seal plug 2 is connected in the inside of connecting groove 13 on cap 1 through L type side 21 carding, and in the carding, make the outer wall of cap 1 to L type side 21 carry out extrusion outward, and utilize the inside snap ring 23 carding and connect in the inner wall of card slot 14, to realize the fixed seal plug 21 on cap 1, then whole structure is installed in the inner wall of headlamp shell, and utilize the inside adjusting spring 3, and the class elasticity part 25 is extended to the inside of headlamp shell, to realize the large area of person's fit seal, improve the sealing in use.
[0030] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent flow conversion of the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A sealing rear cover for a headlight, comprising a cover body (1), characterized in that: The top of the cover (1) is fitted with a sealing plug (2), and a positioning post (15) is fixedly connected to the center of the inner bottom of the cover (1). An adjusting spring (3) is threaded onto the outer wall of the positioning post (15). A stepped elastic part (25) is fixedly connected to the middle of the sealing plug (2), and the end face of the stepped elastic part (25) is arc-shaped. At the same time, the end face of the adjusting spring (3) is pressed against the center of the inner top of the stepped elastic part (25).
2. The headlight sealing rear cover according to claim 1, characterized in that: The cover (1) is hollow inside and has a protrusion at the bottom. Multiple reinforcing plates (11) are evenly fixedly connected to the bottom of the cover (1) near the outer wall, and the multiple reinforcing plates (11) are arranged equidistantly in the circumferential direction. Bent buckle plates (12) are symmetrically fixedly connected to the bottom of the cover (1) near the inclined surface.
3. The headlight sealing rear cover according to claim 1, characterized in that: The top of the outer wall of the sealing plug (2) is fixedly connected to an L-shaped edge (21), which engages with the connecting groove (13) opened at the top of the cover (1), and the L-shaped edge (21) has an outward expanding extrusion force.
4. A headlight sealing rear cover according to claim 3, characterized in that: The outer wall of the L-shaped edge (21) is uniformly provided with multiple anti-slip strips (22), and all the anti-slip strips (22) are serrated.
5. A headlight sealing rear cover according to claim 3, characterized in that: The inner wall of the L-shaped edge (21) is fixedly connected to the retaining ring (23), and one side of the retaining ring (23) is set with an inclined surface. The middle part of the outer wall of the connecting groove (13) is provided with a retaining groove (14), which is squeezed and engaged with the retaining ring (23).
6. A headlight sealing rear cover according to claim 1, characterized in that: The inner wall corner of the sealing plug (2) is uniformly fixedly connected with multiple reinforcing corner plates (24), and all the reinforcing corner plates (24) are triangular plates.
7. A headlight sealing rear cover according to claim 1, characterized in that: The stepped elastic part (25) is made of multiple sleeves that are wrapped from the inside out, and the multiple sleeves are arranged in a stepped manner from bottom to top, and the connection between them is U-shaped.