EPDM (ethylene-propylene-diene monomer) light-weight flush type automobile outer water retaining sealing element structure

Abstract

The utility model relates to the technical field of sealing elements, in particular to an EPDM light-weight flush type automobile outer water retaining sealing element structure. The aluminum alloy bright strip structure comprises an integrally-formed aluminum alloy bright strip structure. The aluminum alloy bright strip structure comprises a middle straight rod, a C-shaped base arranged at the bottom of the middle straight rod, a first protrusion arranged upwards at the end of the C-shaped base, an automobile door metal plate clamping strip arranged at the top of the middle straight rod and obliquely arranged outwards, and a buckle block arranged outwards along the oblique end of the automobile door metal plate clamping strip. The bright strip faces upwards along the buckling block and is located on the same straight line with the end face of the buckling block, and the clamping hook is arranged at the end of the bright strip and is hooked inwards. The aluminum alloy bright strip has the advantages that the aluminum alloy bright strip structure is integrally formed, and the sealing piece is installed at the corresponding structure, so that the use of rubber pieces is reduced, air pollution in a vehicle is reduced, and the weight is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing components, in particular to an EPDM lightweight flush type automobile outer water retaining sealing component structure. Background Art

[0002] refer to Figure 5 At present, EPDM external water retaining sealing strips are composed of skeleton, rubber (and external brightness, among which rubber accounts for the vast majority.

[0003] In the existing structure, due to the characteristics of rubber materials, the product is relatively heavy, which is inconsistent with the general environment of lightweight materials. In addition, the smell of rubber and the volatilization of various chemical components added during the production process pollute the environment and the air inside the car, affecting human health. In addition, in terms of the appearance of the entire vehicle, the traditional external water barrier cannot be flush with the door outer panel, there will be a step difference, and it is impossible to form a sense of unity.

[0004] Therefore, it is necessary to design an EPDM lightweight flush automobile outer water retaining seal structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an EPDM lightweight flush type automobile outer water retaining seal structure to overcome the above-mentioned shortcomings of the current prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lightweight flush-type automobile outer water retaining seal structure of EPDM, comprising an integrally formed aluminum alloy bright strip structure, the aluminum alloy bright strip structure comprising a middle straight rod, a C-shaped base arranged at the bottom of the middle straight rod, a first protrusion arranged upward at the end of the C-shaped base, a door sheet metal clip arranged at the top of the middle straight rod and inclined outward, a buckle block arranged outward along one end of the door sheet metal clip inclined outward, a bright strip upward along the buckle block and in the same straight line as the end face of the buckle block, and a hook arranged at the end of the bright strip and hooked inward, wherein a U-shaped structure is formed between the door sheet metal clip and the middle straight rod; the hook The buckle block is of C-shaped structure and is placed outside the door sheet metal strip and the middle straight rod, and is arranged close to one side of the door sheet metal strip. A second protrusion is arranged at the top of the door sheet metal strip and corresponding to the hook. A first sealing rubber component is arranged at the C-shaped base, and the first sealing rubber component is embedded in the groove of the C-shaped base and wraps the C-shaped base and the first protrusion at the same time. A slot is formed between the bright strip, the hook and the second protrusion, and the slot is placed at the top of the door sheet metal strip and the middle straight rod. A second sealing rubber component is embedded in the slot, and a second slot is formed between the buckle block and the door sheet metal strip. A third sealing rubber component is arranged at the second slot, and a part of the third sealing rubber component is embedded in the second slot for fixed limit, and the other part of the third sealing rubber component wraps the door sheet metal strip and is placed between the door sheet metal strip and the middle straight rod.

[0008] Preferably, the first sealing rubber component is provided with sealing extrusion strips on the left and right sides facing outwards respectively.

[0009] Preferably, a second sealing extrusion strip is provided on one side of the second sealing rubber member.

[0010] Preferably, a plurality of groups of third extruded sealing strips are provided at one end of the third sealing rubber member disposed between the door sheet metal clip strip and the middle straight rod.

[0011] The beneficial effects of the utility model are as follows: the technical solution uses an integrally formed aluminum alloy bright strip structure and installs seals at the corresponding structure, thereby reducing the practical use of rubber parts, reducing air pollution in the car, and reducing weight; after installation, the bright strip and the door outer panel are arranged in a straight line, which reduces the subsequent bright strip installation process compared with the prior art and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the assembly structure of the aluminum alloy bright strip structure and the third sealing rubber component of an EPDM lightweight flush type automobile outer water retaining seal structure of the utility model;

[0013] Figure 2It is a schematic diagram of the assembly structure of the aluminum alloy bright strip structure and the first sealing rubber component of an EPDM lightweight flush type automobile outer water retaining seal structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the assembly structure of the aluminum alloy bright strip structure and the second sealing rubber of an EPDM lightweight flush type automobile outer water retaining seal structure of the utility model;

[0015] Figure 4 It is a schematic diagram of a contoured vacuum module of an EPDM lightweight flush type automobile outer water retaining seal structure of the utility model;

[0016] Figure 5 This is a schematic diagram of the existing structure;

[0017] In the figure: 1. middle straight rod; 2. C-shaped base; 3. first protrusion; 4. door sheet metal clip strip; 5. buckle block; 6. bright strip; 7. hook; 8. U-shaped structure; 9. second protrusion; 10. first sealing rubber part; 11. sealing extrusion strip; 12. slot; 13. second sealing rubber part; 14. second sealing extrusion strip; 15. second slot; 16. third sealing rubber part; 17. third extrusion sealing strip; 18. door sheet metal. DETAILED DESCRIPTION

[0018] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] Reference Figures 1 to 3, an EPDM lightweight flush type automobile outer water retaining seal structure, which includes an integrally formed aluminum alloy bright strip structure, the aluminum alloy bright strip structure includes an intermediate straight rod 1, a C-shaped base 2 arranged at the bottom of the intermediate straight rod, a first protrusion 3 arranged upward at the end of the C-shaped base, a door sheet metal clip 4 arranged at the top of the intermediate straight rod and inclined outward, a buckle block 5 arranged outward along one end of the door sheet metal clip, a bright strip 6 upward along the buckle block and in the same straight line as the end face of the buckle block, and a hook 7 arranged at the end of the bright strip and hooked inward;

[0021] A U-shaped structure 8 is provided between the door sheet metal clip and the middle straight rod;

[0022] The buckle block is in a C-shaped structure and is placed on the outside of the door sheet metal clip and the middle straight rod, and is arranged close to one side of the door sheet metal clip;

[0023] A second protrusion 9 is provided on the top of the door sheet metal clip and corresponds to the clip hook;

[0024] A first sealing rubber member 10 is provided at the C-shaped base; the first sealing rubber member is embedded in the groove of the C-shaped base and wraps the C-shaped base and the first protrusion at the same time; the first sealing rubber member is provided with sealing extrusion strips 11 on the left and right sides respectively; one end is used to seal with the inner panel of the door, and the other end is used to seal with the door sheet metal;

[0025] In order to facilitate the installation of the sealing strip, a slot 12 is formed between the bright strip, the hook and the second protrusion, and the slot is placed between the door sheet metal strip and the top of the middle straight rod; a second sealing rubber member 13 is embedded in the slot, and a second sealing extrusion strip 14 is provided on one side of the second sealing rubber member to cooperate with the door inner panel for sealing;

[0026] A second card slot 15 is formed between the buckle block and the door sheet metal card strip; a third sealing rubber member 16 is arranged at the second card slot, a portion of the third sealing rubber member is embedded in the second card slot for fixed position limiting, a portion of the third sealing rubber member wraps the door sheet metal card strip and is arranged between the door sheet metal card strip and the middle straight rod, and a plurality of third extruded sealing strips 17 are arranged at one end of the third sealing rubber member arranged between the door sheet metal card strip and the middle straight rod;

[0027] refer to Figure 4In this embodiment, the door sheet metal is inserted into the U-shaped structure, and the second sealing rubber component 13 is sealed and installed. The sealing extrusion strip 14 is set against the door sheet metal 18. The second sealing extrusion strip on one side of the first sealing rubber component is sealed with the door sheet metal 18. The two groups are sealed at the same time to effectively block moisture. One end of the door outer panel is set against the outer side of the second sealing rubber component 13. The third extrusion sealing strip 17 of the third sealing rubber component 16 and the sealing extrusion strip 11 on the other side of the first sealing rubber component 10 cooperate with the door inner panel for sealing. At the same time, the door outer panel and the bright strip 6 are initially aligned.

[0028] The utility model eliminates the internal frame part and uses aluminum alloy, which is the same material as the bright strip, to replace most of the materials, making the product lightweight. Reducing the use of rubber can reduce the pollution of the volatilization of chemicals in the rubber to the air in the car. In addition, after eliminating the frame, the extrusion process is simplified and scrap is reduced.

[0029] The benefits of the utility model are that the technical solution uses an integrated aluminum alloy bright strip structure and installs seals at the corresponding structure, thereby reducing the practical use of rubber parts, reducing air pollution in the car, and reducing weight; after installation, the bright strip and the door outer panel are arranged in a straight line, which reduces the subsequent bright strip installation process compared with the prior art and saves costs.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An EPDM lightweight flush type automobile external water retaining seal structure, characterized by: The invention comprises an integrally formed aluminum alloy bright strip structure, wherein the aluminum alloy bright strip structure comprises an intermediate straight rod, a C-shaped base arranged at the bottom of the intermediate straight rod, a first protrusion arranged upward at the end of the C-shaped base, a door sheet metal clip arranged at the top of the intermediate straight rod and inclined outward, a buckle block arranged outward along one inclined end of the door sheet metal clip, a bright strip extending upward along the buckle block and in the same straight line as the end face of the buckle block, and a hook arranged at the end of the bright strip and hooked inward, wherein a U-shaped structure is arranged between the door sheet metal clip and the intermediate straight rod; the buckle block is of a C-shaped structure, and is placed on the outer sides of the door sheet metal clip and the intermediate straight rod, and is arranged close to one side of the door sheet metal clip, and is arranged at the top of the door sheet metal clip and with the buckle block. A second protrusion is correspondingly provided to the hook, a first sealing rubber component is provided at the C-shaped base, and the first sealing rubber component is embedded in the groove of the C-shaped base and wraps the C-shaped base and the first protrusion at the same time, a slot is formed between the bright strip, the hook and the second protrusion, and the slot is placed at the top of the door sheet metal strip and the middle straight rod, a second sealing rubber component is embedded in the slot, a second slot is formed between the buckle block and the door sheet metal strip, a third sealing rubber component is provided at the second slot, a part of the third sealing rubber component is embedded in the second slot for fixed limiting, and the other part of the third sealing rubber component wraps the door sheet metal strip and is placed between the door sheet metal strip and the middle straight rod.

2. The EPDM lightweight flush type automobile outer water retaining seal structure according to claim 1, characterized in that: The first sealing rubber component is provided with sealing extrusion strips facing outwards on the left and right sides respectively.

3. The EPDM lightweight flush automobile outer water retaining seal structure according to claim 1, characterized in that: A second sealing extrusion strip is arranged on one side of the second sealing rubber member.

4. The EPDM lightweight flush automobile outer water retaining seal structure according to claim 1, characterized in that: A plurality of third extruded sealing strips are also arranged at one end of the third sealing rubber member disposed between the door sheet metal clip strip and the middle straight rod.

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