Fixing and sealing buckle for automobile sealing strip

Abstract

The utility model discloses an automobile sealing strip fixing and sealing buckle and belongs to the technical field of automobile parts, the automobile sealing strip fixing and sealing buckle comprises a buckle seat, a middle column, an abutting seat and a connecting arm, the middle column is connected with the buckle seat and the abutting seat to form an I-shaped structure, the top end of the connecting arm is connected with the abutting seat, and two clamping feet are arranged at the bottom end of the connecting arm in a bilateral symmetry mode; the outer peripheral surface of the abutting seat comprises a circular ring surface and a circle of flange connected above the circular ring surface, a circle of sealing lip edge is arranged on the outer peripheral surface of the abutting seat, the sealing lip edge abuts against the lower portion of the flange, and the inner wall surface of the sealing lip edge protrudes out of the bottom surface of the abutting seat. The rubber sealing strip is fixedly arranged on a vehicle body and a vehicle door metal plate, and has fixing and waterproof sealing effects.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a sealing buckle for fixing an automobile sealing strip. Background Art

[0002] With the development of the automotive industry, sealing strips are playing an increasingly important role in automotive components. Their primary function is to prevent the intrusion of water, dust, and noise, ensuring a comfortable and safe interior. Therefore, the quality of sealing strip installation directly impacts the overall performance and user experience of the vehicle.

[0003] Currently, snap-fit ​​devices are commonly used on the market to connect door sealing strips to vehicle doors or body panels. These snap-fit ​​devices typically consist of a cap, a connector, and a catch. Related prior art, such as Chinese patent application number 201120255985.4, "Sealing Strip Snap-fit ​​Device," discloses a sealing strip snap-fit ​​device comprising a snap-fit ​​head, a catch, and a base that engages with the catch. The snap-fit ​​head is connected to one end of the catch via a connector. The catch has a multi-petal structure. The sealing strip snap-fit ​​device also includes a disassembly handle extending outward from the other end of the catch. When the catch engages with the base, the disassembly handle is partially exposed outside the base. In the present invention, the design of the disassembly handle extending outward from the other end of the catch effectively prevents the catch from being severely deformed or broken during disassembly, ensuring that the snap fits reusable and removable, and that the snap fits securely with the base after disassembly.

[0004] Existing sealing strip clips are mostly made of soft plastic. While they maintain a certain degree of elasticity, they generally only serve a fixed function and are unlikely to provide a waterproof seal. The rapid development of new energy vehicles places high demands on the sealing and waterproofing of vehicle doors and underbody gaps. Gaps during clip installation can lead to leakage risks. Therefore, developing a new type of sealing strip clip that can effectively address the shortcomings of existing technology and improve sealing performance has become a key development direction for automotive sealing strip clip technology. Utility Model Content

[0005] The technical problem to be solved by the present application is to provide a sealing buckle for fixing an automobile sealing strip, which can fix the rubber sealing strip to the vehicle body and door sheet metal, and play a role of fixing and waterproof sealing.

[0006] The technical solution adopted in this application is: a sealing buckle for fixing a car sealing strip, comprising a buckle seat, a center column, an abutment seat and a connecting arm, wherein the center column connects the buckle seat and the abutment seat to form an I-shaped structure, the top of the connecting arm is connected to the abutment seat, and the bottom end of the connecting arm is symmetrically provided with two clips, the outer peripheral surface of the abutment seat comprises an annular surface, and a circle of ribs connected to the top of the annular surface, the outer peripheral surface of the abutment seat is provided with a circle of sealing lip, the sealing lip abuts against the bottom of the rib, and the inner wall surface of the sealing lip protrudes from the bottom surface of the abutment seat.

[0007] Compared with the prior art, the advantages of the present application are as follows: first, the present application connects the snap seat and the abutment seat through the center column to form an I-shaped structure, which effectively enhances the stability and load-bearing capacity of the abutment seat and can better ensure the stability and reliability of the sealing lip. Secondly, the present application provides a sealing lip on the outer peripheral surface of the abutment seat, which can effectively prevent moisture from penetrating into the vehicle, improve the sealing performance, and meet the high requirements of new energy vehicles for waterproof sealing. Thirdly, the present application is designed to have a circle of retaining edges on the outer peripheral surface of the abutment seat, and the sealing lip abuts the bottom of the retaining edges. The setting of the retaining edges can effectively limit the position of the sealing lip, and even when the sealing lip is under stress, the sealing lip can also ensure a stable and reliable position structure. The inner wall surface of the sealing lip is set to protrude from the bottom surface of the abutment seat. Then, after the product is installed, a seal is normally formed by the outer edge of the sealing lip. However, if an extreme working condition occurs, that is, the sealing lip is deformed too much under stress, then the inner ring of the sealing lip can also form a good sealing effect. At this point, the technical solution of this application can improve the comfort of the vehicle interior environment and enhance the user's overall experience through effective sealing and waterproof design.

[0008] In some embodiments of the present application, the sealing lip is annular in shape, with its outer edge tilted toward the side where the foot is located. The cross-section of the sealing lip is triangular, and the angle between the inner wall and the bottom surface of the sealing lip is obtuse. The annular structure of the sealing lip better conforms to the contact surface of the vehicle body sheet metal or door sheet metal, forming a more effective seal and preventing the infiltration of moisture and dust.

[0009] In some embodiments of the present application, the sealing lip is made of TPV material, and the snap seat, center column, abutment seat, connecting arm, and snap foot are made of nylon material by integral injection molding.

[0010] Preferably, the buckle seat, center column, abutment seat, connecting arm, and clip foot are made of PA66 or PA6 material. The entire sealing buckle of the present application can be formed by a two-color injection molding process or by a first injection molding and then glue encapsulation process.

[0011] In some embodiments of the present application, the foot is arranged in the X-axis direction of the connecting arm, with the bottom of the foot connected to the bottom of the connecting arm. The foot is a flat block-shaped structure arranged at an angle, and the two feet form a V-shape. The foot is longer in the Y-axis direction than in the X-axis direction. Placing the foot in the X-axis direction of the connecting arm and simultaneously providing the foot with a flat block-shaped structure that extends in the Y-axis direction helps improve the structural strength of the entire product, effectively distributing forces, enhancing the strength and stability of the overall structure, and reducing the risk of deformation and damage during use.

[0012] In this application, the X-axis direction and the Y-axis direction refer to two directions perpendicular to each other in a plane, and do not represent a specific coordinate system.

[0013] In some embodiments of the present application, the top surface of the clamping foot is a flat structure, and a tail fin extends upward from the inner side of the top surface of the clamping foot. The longitudinal cross-section of the tail fin is a triangular structure. The presence of the tail fin can increase the contact pressure between the sealing strip and the vehicle body to a certain extent, further improving the sealing performance and preventing the infiltration of moisture and dust.

[0014] In some embodiments of the present application, the tail fin is positioned near the inner side of the clip, with the outer side of the clip's top surface exposed. The clip's top surface is a flat structure that prevents it from falling out and, when subjected to force, presses against the sheet metal component, thereby enhancing the grip on the vehicle body or sealing strip and ensuring the clip's stability during use.

[0015] In some embodiments of the present application, the connecting arm is a flat block-shaped structure, with its length in the Y-axis direction being greater than its length in the X-axis direction, and the outer diameter of the upper end of the connecting arm being greater than the outer diameter of the lower end of the connecting arm. That is, in the present application, the connecting arm is not a uniform structure from top to bottom, but rather has a thickened design at its upper end, further enhancing the structural strength of the central portion of the sealing buckle and making the structural strength of the entire sealing buckle more reasonable.

[0016] In some embodiments of the present application, the abutment seat is a disc-shaped structure, and the outer diameter of the abutment seat is larger than the outer diameter of the two clamping feet. The larger outer diameter of the abutment seat can better cover the installation area of ​​the sealing strip, enhance the fit of the sealing lip, thereby improving the sealing performance and preventing the infiltration of moisture and dust.

[0017] In some embodiments of the present application, the buckle seat has an overall diamond-shaped structure, with rounded corners, and the length of the buckle seat in the Y-axis direction is greater than its length in the X-axis direction. The diamond-shaped design can effectively disperse the pressure applied to the sealing buckle, improve the overall structural strength and stability, and reduce the risk of deformation and damage during use. The rounded corners of the buckle seat can reduce wear and damage during installation and use, reduce potential damage to other components, and improve safety.

[0018] In some embodiments of the present application, the bottom surface formed by the connecting arm and the two clamping feet is a plane, thereby avoiding sharp surfaces on the product and improving safety in use.

[0019] The above embodiments can be combined arbitrarily based on the common knowledge in this field. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present application will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. In addition, unless otherwise specified, the drawings are merely schematic representations of the composition or structure of the described objects and may contain exaggerated representations. The drawings are not necessarily drawn to scale.

[0021] Figure 1 This is a schematic diagram of the structure of this application;

[0022] Figure 2 A cross-sectional view of the present application;

[0023] Figure 3 Schematic diagram of the structure installed on sheet metal for this application;

[0024] Figure 4 This is a structural diagram of the working status of this application.

[0025] Among them, the specific descriptions of the figure marks are as follows: 1. snap seat; 2. center column; 3. abutment seat; 4. connecting arm; 5. card foot; 6. sealing lip; 7. retaining edge; 8. tail wing; 9. sealing strip; 10. sheet metal. DETAILED DESCRIPTION

[0026] The present application will be described in detail below with reference to the accompanying drawings.

[0027] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0028] A car sealing strip fixing seal buckle, embodiment 1 is as follows Figure 1 、 Figure 2 As shown, the structure comprises a snap seat 1, a center column 2, an abutment seat 3, and a connecting arm 4. The center column 2 connects the snap seat 1 and the abutment seat 3 to form an I-shaped structure, effectively enhancing the stability and load-bearing capacity of the abutment seat 3 and better ensuring the stability and reliability of the sealing lip 6. The top of the connecting arm 4 is connected to the abutment seat 3, and the bottom of the connecting arm 4 is symmetrically provided with two clamping feet 5. The outer surface of the abutment seat 3 includes a circular surface and a ring of ribs 7 connected above the circular surface. The outer surface of the abutment seat 3 is provided with a sealing lip 6, which effectively prevents moisture from seeping into the vehicle interior, improves the sealing performance, and meets the high waterproof sealing requirements of new energy vehicles. The sealing lip 6 abuts below the rib 7. The rib 7 effectively limits the position of the sealing lip 6, ensuring a stable and reliable position even when the sealing lip 6 is under stress. The inner wall of the sealing lip 6 protrudes from the bottom surface of the abutment seat 3. After the product is installed, the outer edge of the sealing lip 6 normally forms a seal. However, if an extreme working condition occurs, that is, the sealing lip 6 is subjected to excessive force and deformation, the inner ring of the sealing lip 6 can also form a good sealing effect.

[0029] At this point, the technical solution of this application can improve the comfort of the vehicle interior environment and enhance the user's overall experience through effective sealing and waterproof design.

[0030] Example 2, as Figures 1 to 4 As shown, the sealing lip 6 is annular in shape, with its outer edge inclined toward the side where the foot 5 is located. The cross-section of the sealing lip 6 is triangular, and the angle between the inner wall and the bottom surface of the sealing lip 6 is obtuse. The annular structure of the sealing lip 6 better conforms to the contact surface of the vehicle body sheet metal 10 or the door sheet metal 10, forming a more effective seal and preventing the infiltration of moisture and dust.

[0031] The sealing lip 6 is made of TPV material, and the buckle seat 1, center column 2, abutment seat 3, connecting arm 4, and clamping foot 5 are integrally injection-molded with nylon material. Preferably, the buckle seat 1, center column 2, abutment seat 3, connecting arm 4, and clamping foot 5 are made of PA66 or PA6 material. The entire sealing buckle of the present application can be formed using a two-color injection molding process or a process of first injection molding and then encapsulation.

[0032] In this application, the X-axis direction and the Y-axis direction refer to two directions perpendicular to each other in a plane, and do not represent a specific coordinate system.

[0033] The clamping foot 5 is arranged along the X-axis of the connecting arm 4, with its bottom connected to the bottom of the connecting arm 4. The clamping foot 5 is a flat, block-shaped structure arranged at an angle, forming a V-shape. Its length along the Y-axis is greater than its length along the X-axis. Placing the clamping foot 5 along the X-axis of the connecting arm 4 and designing it as a flat, block-shaped structure that extends along the Y-axis helps improve the structural strength of the entire product, effectively distributing forces, enhancing the strength and stability of the overall structure, and reducing the risk of deformation and damage during use.

[0034] The top surface of the foot 5 is a flat structure, and a tail fin 8 extends upward from the inner side of the top surface of the foot 5. The tail fin 8 has a triangular longitudinal cross-section. The presence of the tail fin 8 can increase the contact pressure between the sealing strip 9 and the vehicle body to a certain extent, further improving the sealing performance and preventing the infiltration of moisture and dust.

[0035] The tail wing 8 is positioned near the inner side of the foot 5, with the outer side of the top surface of the foot 5 exposed. The top surface of the foot 5 is a flat structure that can prevent it from falling out. When subjected to force, it presses against the sheet metal 10, thereby enhancing the grip with the vehicle body or the sealing strip 9 and ensuring the stability of the buckle during use.

[0036] The connecting arm 4 is a flat block-shaped structure, with its length in the Y-axis direction being greater than its length in the X-axis direction, and the outer diameter of the upper end of the connecting arm 4 being greater than the outer diameter of the lower end of the connecting arm 4. In other words, in this application, the connecting arm 4 is not a uniform structure from top to bottom, but is thickened at its upper end, further improving the structural strength of the middle portion of the sealing buckle, thereby making the structural strength of the entire sealing buckle more reasonable.

[0037] The abutment seat 3 is a disc-shaped structure, and the outer diameter of the abutment seat 3 is larger than the outer diameter formed by the two clamping feet 5. The larger outer diameter of the abutment seat 3 can better cover the installation area of ​​the sealing strip 9, enhance the fit of the sealing lip 6, thereby improving the sealing performance and preventing the infiltration of moisture and dust.

[0038] The buckle seat 1 has an overall diamond-shaped structure with rounded corners. Its length in the Y-axis direction is greater than its length in the X-axis direction. This diamond-shaped design effectively disperses pressure on the sealing buckle, improving overall structural strength and stability while reducing the risk of deformation and damage during use. The rounded corners of the buckle seat 1 reduce wear and damage during installation and use, minimizing potential damage to other components and enhancing safety.

[0039] The bottom surface formed by the connecting arm 4 and the two clamping feet 5 is a plane, which avoids sharp surfaces of the product and improves the safety of use.

[0040] The rest of the content of the second embodiment is the same as that of the first embodiment.

[0041] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. A car sealing strip fixing sealing buckle, characterized in that: The invention comprises a snap seat (1), a center column (2), an abutting seat (3) and a connecting arm (4), wherein the center column (2) connects the snap seat (1) and the abutting seat (3) to form an I-shaped structure, the top end of the connecting arm (4) is connected to the abutting seat (3), and the bottom end of the connecting arm (4) is symmetrically provided with two snap feet (5), the outer peripheral surface of the abutting seat (3) comprises a circular surface and a circle of retaining edges (7) connected above the circular surface, and the outer peripheral surface of the abutting seat (3) is provided with a circle of sealing lips (6), the sealing lips (6) abuts below the retaining edges (7), and the inner wall surface of the sealing lips (6) protrudes from the bottom surface of the abutting seat (3).

2. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The sealing lip (6) is in a circular ring structure, the outer edge of the sealing lip (6) is inclined toward the side where the clamping foot (5) is located, the cross section of the sealing lip (6) is in a triangular structure, and the angle between the inner wall surface and the bottom surface of the sealing lip (6) is an obtuse angle.

3. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The sealing lip (6) is made of TPV material, and the buckle seat (1), the center column (2), the abutment seat (3), the connecting arm (4), and the clamping foot (5) are integrally injection-molded using nylon material.

4. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The clamping foot (5) is arranged in the X-axis direction of the connecting arm (4), and the bottom of the clamping foot (5) is connected to the bottom of the connecting arm (4). The clamping foot (5) is a flat block structure arranged obliquely, and the two clamping feet (5) form a V shape. The length of the clamping foot (5) in the Y-axis direction is greater than the length in the X-axis direction.

5. The automobile sealing strip fixing and sealing buckle according to claim 4, characterized in that: The top surface of the clamping foot (5) is a planar structure, and a tail wing (8) extends upward from the inner side of the top surface of the clamping foot (5), and the longitudinal cross-section of the tail wing (8) is a triangular structure.

6. The automobile sealing strip fixing and sealing buckle according to claim 5, characterized in that: The tail wing (8) is arranged close to the inner side of the clamping foot (5), and the outer side of the top surface of the clamping foot (5) is exposed.

7. The automobile sealing strip fixing and sealing buckle according to claim 1 or 4, characterized in that: The connecting arm (4) is a flat block structure, the length of the connecting arm (4) in the Y-axis direction is greater than the length in the X-axis direction, and the outer diameter of the upper end of the connecting arm (4) is greater than the outer diameter of the lower end of the connecting arm (4).

8. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The abutment seat (3) is a disc-shaped structure, and the outer diameter of the abutment seat (3) is larger than the outer diameter formed by the two clamping feet (5).

9. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The buckle seat (1) has a diamond-shaped structure as a whole, and the four corners of the buckle seat (1) are rounded. The length of the buckle seat (1) in the Y-axis direction is greater than the length in the X-axis direction.

10. The automobile sealing strip fixing and sealing buckle according to claim 1, characterized in that: The bottom surface formed by the connecting arm (4) and the two clamping feet (5) is a plane.

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