Variable cross-section sealing strip

Abstract

The utility model discloses a variable-cross-section sealing strip, and relates to the technical field of corner window sealing, in particular to a variable-cross-section sealing strip which comprises a fixing part, a sealing part and a sealing part, the fixing part comprises a supporting part and a surrounding part, and the fixing part is used for being installed on the periphery of a side plate; the outer seal wraps the fixing part through injection molding and comprises a first sealing lip and a second sealing lip which are formed on the side wall, the first sealing lip and the second sealing lip are opposite in a spaced mode, and the first sealing lip and the second sealing lip are used for being matched with window glass in an abutting mode so as to seal a gap between the window glass and the outer wall of the side plate; the inner seal is arranged on the inner wall of the fixing piece and comprises a C-shaped sealing strip and a rolling strip, and deformation spaces are formed between the rolling strip and the C-shaped sealing strip and between the rolling strip and the fixing piece. According to the variable cross-section sealing strip, the glass and the side plates can be in bidirectional sealing fit through mutual matching of the outer seal and the inner seal, the rolling strip can be carried on the C-shaped sealing strip to deform after being subjected to external force during installation, a variable cross-section matching mode is formed, and the sealing effect of a corner window is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of corner window sealing, in particular to a variable-section sealing strip. Background Art

[0002] There is a small triangular glass on the front and rear windows of some cars. Although it is small in size, it has a great function. There are mainly two types of triangular windows on the car: one is the triangular window on the side of the A-pillar, and the other is the triangular window near the C-pillar.

[0003] In the prior art, the sealing strip used between the corner window of the car and the car body is made of rubber or thermoplastic elastomer through extrusion molding. The cross section of this sealing strip in the extrusion direction is uniform and unchanged. Due to the complex matching surface between the corner window of the car and the car body, the local side wall of this sealing strip cannot provide sufficient rebound force to the corner window and the car body, and the deformation of the sealing strip between the corner window and the car body is irregular, so the sealing effect is not good enough. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a variable-section sealing strip, which solves the problem in the above background technology that the sealing strip between the vehicle door and the vehicle body is irregularly deformed, thus resulting in an insufficient sealing effect.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a variable cross-section sealing strip, the variable cross-section sealing strip comprising:

[0006] A fixing member, the fixing member comprising a supporting portion and a surrounding portion, the fixing member being used to be installed on the periphery of the side plate;

[0007] An outer seal is wrapped on the fixing member by injection molding, and includes a first sealing lip and a second sealing lip formed by the side wall, the first sealing lip and the second sealing lip are spaced apart from each other, and the first sealing lip and the second sealing lip are used to abut against the window glass to seal the gap between the window glass and the outer wall of the side panel;

[0008] The inner seal is arranged on the inner wall of the fixing member, and comprises a C-shaped sealing strip and a rolling strip, wherein a deformation space is formed between the rolling strip, the C-shaped sealing strip and the fixing member.

[0009] Optionally, the fixing member is a metal plate, which includes a transverse section and a side section and two side sections connected to both sides of the transverse section, wherein the one side section is a straight surface connected to the outer seal, and the two side sections are curved surfaces connected to the inner seal.

[0010] Optionally, the two side sections are bent inwardly to form an acute angle structure, and a sealing block is wrapped around the bent portion, and the outer seal is provided with an inner lip at the end of one side section.

[0011] Optionally, the top of the outer seal further has a wrapping lip, and the end of the second sealing lip extends inwardly to form a matching portion corresponding to the wrapping lip.

[0012] Optionally, a friction portion is further arranged on the outer seal along the fixing member, and the friction portion is formed by a plurality of rubber protrusions with smooth transition.

[0013] Optionally, the rolling strip further comprises a pressing sheet connected to an end away from the fixing member, and the pressing sheet can be bent and mounted on the outer wall of the port of the C-shaped sealing strip after being subjected to an external force.

[0014] Optionally, the hardness of the second sealing lip is greater than the hardness of the first sealing lip.

[0015] The utility model provides a variable cross-section sealing strip, which has the following beneficial effects:

[0016] The variable-section sealing strip is provided with a fixing part, an outer seal and an inner seal. After the fixing part is fixed, the outer seal and the inner seal cooperate with each other to respectively perform bidirectional sealing cooperation on the glass and the side panel. Specifically, the first sealing lip and the second sealing lip cooperate to seal the window glass. During installation, the rolled strip can also be carried on the C-shaped sealing strip and deformed after being subjected to external force, forming a variable-section cooperation mode. This not only ensures the stability of the installation, but also ensures the sealing and cooperation degree, thereby improving the sealing effect of the corner window. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 2 It is an overall schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model from a second viewing angle.

[0020] In the figure: 1, fixing member; 11, supporting portion; 12, surrounding portion;

[0021] 2. outer seal; 21. first sealing lip; 22. second sealing lip; 23. inner lip; 24. wrapping lip; 25. matching part; 26. friction part;

[0022] 3. Inner seal; 31. C-type sealing strip; 32. Rolling strip; 33. Deformation space; 34. Pressing sheet;

[0023] 4. Sealing block. DETAILED DESCRIPTION

[0024] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 3 The utility model provides a technical solution: a variable cross-section sealing strip, the variable cross-section sealing strip comprising:

[0027] A fixing member 1, the fixing member 1 comprises a supporting portion 11 and a surrounding portion 12, and the fixing member 1 is used to be installed on the periphery of the side plate;

[0028] The outer seal 2 is wrapped on the fixing part 1 by injection molding, and includes a first sealing lip 21 and a second sealing lip 22 formed by the side wall. The first sealing lip 21 and the second sealing lip 22 can be double-layer sealed to improve the sealing performance after installation. The first sealing lip 21 and the second sealing lip 22 are spaced relative to each other. The first sealing lip 21 and the second sealing lip 22 are used to cooperate with the window glass to seal the gap between the window glass and the outer wall of the side plate. The hardness of the second sealing lip 22 is greater than the hardness of the first sealing lip 21. The hardness of the second sealing lip 22 is greater than the hardness of the first sealing lip 21, so that the first sealing lip 21; the outer seal 2 is also arranged with a friction part 26 along the fixing part 1. The friction part 26 is formed by a smooth transition of a plurality of rubber protrusions. The friction part 26 can increase the friction force of the inner wall of the outer seal 2, thereby facilitating installation and improving stability after installation;

[0029] The inner seal 3 is arranged on the inner wall of the fixing part 1, and includes a C-shaped sealing strip 31 and a rolling strip 32. A deformation space 33 is formed between the rolling strip 32, the C-shaped sealing strip 31 and the fixing part 1. The C-shaped sealing strip 31 and the rolling strip 32 are both made of rubber material. The C-shaped sealing strip 31 and the rolling strip 32 cooperate with each other to improve the sealing effect of the inner seal 3.

[0030] As a preferred embodiment, based on the above method, further, the fixing part 1 is a metal plate, which includes a horizontal section and a side section and two side sections connected on both sides of the horizontal section, wherein the one side section is a straight surface connected to the outer seal 2, and the two side sections are curved surfaces connected to the inner seal 3.

[0031] The two side sections are bent inward to form an acute angle structure, and the bent part is wrapped with a sealing block 4. The outer seal 2 is provided with an inner lip 23 at the end of one side section, and the inner lip 23 can seal and protect the outer side of the installation position.

[0032] As a preferred embodiment, on the basis of the above-mentioned method, further, the top of the outer seal 2 also has a wrapping lip 24, and the end of the second sealing lip 22 extends inward to form a matching portion 25 corresponding to the wrapping lip 24. After installation, the wrapping lip 24 and the second sealing lip 22 cooperate with each other to seal the window glass.

[0033] The rolled strip 32 also includes a pressing piece 34 connected to one end away from the fixing member 1. The pressing piece 34 can be bent and mounted on the outer wall of the port of the C-shaped sealing strip 31 after being subjected to external force. The pressing piece 34 can be deformed after being mounted on the rolled strip 32 to form installation spaces of different cross-sections, which is convenient for forming a tightly fitting closed space after installation.

[0034] In summary, when the variable-section sealing strip is used, through the arrangement of the fixing part 1, the outer seal 2 and the inner seal 3, after the fixing part 1 is fixed, the outer seal 2 and the inner seal 3 cooperate with each other to respectively perform bidirectional sealing cooperation on the glass and the side panel. Specifically, the first sealing lip 21 and the second sealing lip 22 cooperate to seal the window glass, and after the installation is completed, the inner lip 23 can further seal the window glass. During installation, the rolled strip 32 can also be carried on the C-shaped sealing strip 31 to deform after being subjected to external force, forming a variable-section cooperation mode, which not only ensures the stability of the installation but also ensures the sealing and cooperation degree, thereby improving the sealing effect of the corner window. Specifically, the pressing piece 34 presses the C-shaped sealing strip 31 to compress the deformation space 33 to form a variable cross-section to meet the installation requirements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A variable cross-section sealing strip, characterized in that: The variable cross-section sealing strip comprises: A fixing member (1), the fixing member (1) comprising a supporting portion (11) and a surrounding portion (12), the fixing member (1) being used for being installed on the periphery of the side plate; An outer seal (2) is wrapped around the fixing member (1) by injection molding, and comprises a first sealing lip (21) and a second sealing lip (22) formed by the side wall, wherein the first sealing lip (21) and the second sealing lip (22) are spaced apart from each other and are used to contact and cooperate with the window glass to seal the gap between the window glass and the outer wall of the side panel; The inner seal (3) is arranged on the inner wall of the fixing member (1), and comprises a C-shaped sealing strip (31) and a rolling strip (32), wherein a deformation space (33) is formed between the rolling strip (32), the C-shaped sealing strip (31) and the fixing member (1).

2. A variable cross-section sealing strip according to claim 1, characterized in that: The fixing member (1) is a metal plate, comprising a transverse section and a side section and two side sections connected to both sides of the transverse section, wherein the side section is a straight surface connected to the outer seal (2), and the two side sections are curved surfaces connected to the inner seal (3).

3. A variable cross-section sealing strip according to claim 2, characterized in that: The two side sections are bent inwardly to form an acute angle structure, and the bent portion is wrapped with a sealing block (4). The outer seal (2) is provided with an inner lip (23) at the end of one side section.

4. The variable cross-section sealing strip according to claim 1, characterized in that: The top of the outer seal (2) is also provided with a wrapping lip (24), and the end of the second sealing lip (22) extends inwardly to form a matching portion (25) corresponding to the wrapping lip (24).

5. The variable cross-section sealing strip according to claim 1, characterized in that: The outer seal (2) is also provided with a friction portion (26) along the fixing member (1), and the friction portion (26) is formed by a plurality of rubber protrusions with smooth transition.

6. The variable cross-section sealing strip according to claim 1, characterized in that: The rolling strip (32) further comprises a pressing sheet (34) connected to an end away from the fixing member (1); the pressing sheet (34) can be bent and mounted on the outer wall of the port of the C-shaped sealing strip (31) after being subjected to an external force.

7. The variable cross-section sealing strip according to claim 1, characterized in that: The hardness of the second sealing lip (22) is greater than the hardness of the first sealing lip (21).

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