Automobile outer sealing strip
Through the plug structure and positioning groove projection design of dovetail groove and dovetail tenon, the problem of unstable connection of traditional automobile external water cutting end caps is solved, and a firmer connection and higher aesthetics are achieved, reducing vibration caused by Displacement simplifies the assembly process.
Patent Information
- Application Number
- CN202420351268.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-26
AI Technical Summary
The end caps of traditional automobiles with water cuts are connected by adhesive materials, which are prone to dislocation and gaps due to aging deformation and vibration, which affects the sealing, dustproof effect and beauty, and generates wind noise.
The dovetail groove and dovetail tenon are plugged into the dovetail groove and the design of the positioning groove and the positioning projection to ensure a stable connection between the end cover and the outer water cutting body, and hide the joints through edge-buckle to enhance aesthetics.
A more stable connection is achieved, reducing displacement due to vibration, simplifying the assembly process, while improving the aesthetics and sealing performance of the car's outer water cutting.
Smart Images

Figure CN222271777U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile outer water cutting, in particular to an automobile outer water cutting. Background Art
[0002] The car's outer water cut is a component installed on the car door, which is located between the window glass and the door sheet metal. When the window glass is raised or lowered, the outer water cut can remove water droplets and dust on the surface of the window glass, and play a certain sealing and dust-proof role.
[0003] The outer water cut of an automobile generally consists of an outer water cut body and an end cover, and the end cover is connected to both sides of the outer water cut body as a supporting structure of the outer water cut body. The end cover of the traditional automobile outer water cut is generally bonded to the end of the outer water cut body with adhesive materials. During the use of the automobile, due to the aging deformation of the adhesive material, the long-term vibration of the vehicle driving causing the parts to be misaligned, and other factors, the outer water cut body and the end cover are prone to joints and gaps. The joints and gaps not only affect the appearance of the vehicle, but also generate wind noise caused by eddy currents. Utility Model Content
[0004] In order to solve the problems existing in the prior art, the utility model provides an automobile outer water-cut end cover, in which the automobile outer water-cut body and the end cover are firmly connected.
[0005] The utility model adopts the following technical solutions:
[0006] A car outer water cut includes an outer water cut body and an end cover connected to the end of the outer water cut body, the end of the outer water cut body is provided with a dovetail groove, and the dovetail groove is provided with at least two positioning grooves; one side of the end cover is provided with a dovetail tenon matched with the dovetail groove, and the dovetail tenon is provided with positioning protrusions matched with the number and position of the positioning grooves; the end cover is connected to the outer water cut by inserting the dovetail tenon into the dovetail groove and is positioned on the outer water cut by snapping the positioning protrusion into the positioning groove.
[0007] Furthermore, there are three positioning grooves, which are arranged on the bottom surface and two side surfaces of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions that match the positioning grooves on the dovetail groove.
[0008] Furthermore, there are two positioning grooves, which are arranged in parallel and at intervals on the bottom surface of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions that match the positioning grooves on the dovetail groove.
[0009] Furthermore, there are two positioning grooves, which are arranged oppositely on two sides of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions matching the positioning grooves on the dovetail groove.
[0010] Furthermore, the other side of the end cover is provided with an inwardly extending edge, and the edge is buckled on the outer surface of the outer water-cut body.
[0011] Furthermore, the edging and the end cover are formed in an integral structure.
[0012] Furthermore, the angle between the inclined surface and the bottom surface of the dovetail groove ranges from 30° to 50°.
[0013] Furthermore, the angle between the inclined surface and the bottom surface of the dovetail groove is 45°.
[0014] Compared with the prior art, the utility model has the following technical effects:
[0015] The utility model provides an automobile outer water cut, the end of the outer water cut body of the outer water cut is provided with a dovetail groove with a positioning groove, and one side of the end cover is provided with a dovetail tenon with a positioning protrusion, and the connection between the outer water cut body and the end cover is more stable through the positioning of the dovetail groove and the dovetail tenon as well as the positioning groove and the positioning protrusion. Under the vibration generated by the running of the automobile, the end cover is simultaneously subject to the limiting force between the dovetail groove and the dovetail tenon and the positioning groove and the positioning protrusion, so that the end cover is not easy to produce displacement relative to the outer water cut body, making the assembly more firm and stable, and also making the automobile outer water cut more beautiful. In addition, the outer water cut body and the end cover are connected by plug-in, which also makes the assembly of the outer water cut simpler and easier.
[0016] The automobile outer water cut of the utility model designs the number and position of the positioning grooves, and the technicians can adopt the corresponding number and position design according to the actual needs to ensure the stable assembly of the automobile outer water cut.
[0017] The end cover of the automobile watertightening of the utility model is provided with a edging extending inwardly and buckled on the outer surface of the watertightening body, covering the seam at the connection between the end cover and the watertightening body, making the overall structure of the automobile watertightening more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the assembly of the outer water-cut body and the end cover of the automobile in the embodiment;
[0019] Figure 2 This is one of the structural schematic diagrams of the outer water-cut body of the automobile in the embodiment;
[0020] Figure 3 This is the second structural schematic diagram of the outer water-cut body of the automobile in the embodiment;
[0021] Figure 4 This is one of the structural schematic diagrams of the end cover in the embodiment;
[0022] Figure 5This is the second structural schematic diagram of the end cover in the embodiment;
[0023] In the figure, 1-external water-cut body; 2-end cover; 3-dovetail groove; 4-positioning groove; 5-dovetail tenon; 6-positioning protrusion. DETAILED DESCRIPTION
[0024] Embodiment 1:
[0025] The utility model discloses a car outer water cut, such as Figure 1 to Figure 5 As shown, the automobile outer water cut includes a strip-shaped outer water cut body 1 and end covers 2 connected to the two side ends of the outer water cut body 1, the end of the outer water cut is provided with a dovetail groove 3 with a trapezoidal cross-section, and the dovetail groove 3 is provided with at least two positioning grooves 4; one side of the end cover 2 is provided with a dovetail tenon 5 matched with the dovetail groove 3, and the dovetail tenon 5 is provided with positioning protrusions 6 matched with the number and position of the positioning grooves 4; the end cover 2 is injection molded by polymethanol material, thereby obtaining good hardness, strength and rigidity, fatigue resistance, and elasticity.
[0026] The end cover 2 is connected to the outer water cut by inserting the dovetail groove 3 through the dovetail tenon 5 and is positioned on the outer water cut by snapping the positioning protrusion 6 into the positioning groove 4. After the plug-in assembly, the end cover 2 is simultaneously subject to the limiting force between the dovetail groove 3 and the dovetail tenon 5 and the positioning groove 4 and the positioning protrusion 6, so that the end cover 2 is not easy to be displaced relative to the outer water cut body 1, making the assembly more firm and stable. The outer water cut body 1 and the end cover 2 are connected by plug-in, and the assembly of the outer water cut is also simpler and easier.
[0027] The other side of the end cover 2 is provided with an inwardly extending edging, which is buckled on the outer surface of the outer water cut. The edging and the end cover 2 are integrally formed, making the outer water cut of the automobile of the utility model more beautiful and more convenient to manufacture and install.
[0028] Embodiment 2:
[0029] This embodiment is further designed on the basis of the first embodiment in that: in this example, there are three positioning grooves on the dovetail tenon, and the three positioning grooves are arranged on the bottom surface and two side surfaces of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions that match the positioning grooves on the dovetail groove.
[0030] Embodiment three:
[0031] This embodiment is further designed on the basis of the first embodiment in that: in this example, there are two positioning grooves on the dovetail tenon, and the two positioning grooves are arranged in parallel and spaced apart on the bottom surface of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions that match the positioning grooves on the dovetail groove.
[0032] Embodiment 4:
[0033] This embodiment is further designed on the basis of the first embodiment in that: in this example, there are two positioning grooves on the dovetail tenon, and the two positioning grooves are relatively arranged on two sides of the dovetail groove, and the dovetail tenon is provided with corresponding positioning protrusions at positions that match the positioning grooves on the dovetail groove.
[0034] Embodiment five:
[0035] This embodiment is further designed on the basis of the first embodiment in that: in this embodiment, the angle between the inclined surface and the bottom surface of the dovetail groove is in the range of 30° to 50°.
[0036] Embodiment six:
[0037] This embodiment is further designed on the basis of the fifth embodiment in that: in this embodiment, the angle between the inclined surface and the bottom surface of the dovetail groove is 45°.
[0038] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.
Claims
1. An automobile outer water cut, comprising an outer water cut body and an end cover connected to the end of the outer water cut body, characterized in that: A dovetail groove is provided at the end of the outer water cut body, and at least two positioning grooves are provided on the dovetail groove; a dovetail tenon matched with the dovetail groove is provided on one side of the end cover, and positioning protrusions matched with the number and position of the positioning grooves are provided on the dovetail tenon; the end cover is connected to the outer water cut by inserting the dovetail groove into the dovetail tenon and is positioned on the outer water cut by snapping the positioning protrusion into the positioning groove.
2. The automobile outer water cut according to claim 1, characterized in that: There are three positioning grooves, which are arranged on the bottom surface and two side surfaces of the dovetail groove. The dovetail tenon is provided with corresponding positioning protrusions at positions matching the positioning grooves on the dovetail groove.
3. The automobile outer water cut according to claim 1, characterized in that: There are two positioning grooves, which are arranged in parallel and at intervals on the bottom surface of the dovetail groove. The dovetail tenon is provided with corresponding positioning protrusions at positions matching the positioning grooves on the dovetail groove.
4. The automobile outer water cut according to claim 1, characterized in that: There are two positioning grooves, which are arranged oppositely on two sides of the dovetail groove. The dovetail tenon is provided with corresponding positioning protrusions at positions matching the positioning grooves on the dovetail groove.
5. The automobile outer water cut according to any one of claims 1 to 4, characterized in that: The other side of the end cover is provided with an inwardly extending edge, and the edge is buckled on the outer surface of the outer water-cut body.
6. The automobile outer water cut according to claim 5, characterized in that: The edge wrapping and the end cover are integrally formed.
7. The automobile outer water cut according to claim 6, characterized in that: The angle between the inclined surface and the bottom surface of the dovetail groove ranges from 30° to 50°.
8. The automobile outer water cut according to claim 7, characterized in that: The angle between the inclined surface and the bottom surface of the dovetail groove is 45°.
