CN213035641U - Automobile sealing strip - Google Patents

Abstract

The utility model provides an automobile sealing strip, which comprises a sealing strip main body, wherein one side of the sealing strip main body is provided with a fixing groove, the inner side of the fixing groove is provided with a first convex strip and a second convex strip, and the inner side of the fixing groove is also provided with a first fixing column and a second fixing column; the middle part of the sealing strip main body is provided with a blocking edge in an area close to the fixing groove, and the blocking edge consists of an ethylene propylene diene monomer rubber layer, a chloroprene rubber layer, a polyurethane rubber layer and a silica gel layer which are arranged inwards in sequence by taking the fixing groove as a reference; the opposite side of sealing strip main part is provided with the sealed chamber that is "D" type, and the silica gel layer is a sealed chamber wall body, and the surface on silica gel layer is provided with a plurality of buffer block, and a plurality of buffer block is located sealed intracavity, is provided with the water guide strip of an slope on the sealed chamber outer wall body. Compared with the existing sealing strip, the sealing strip has multiple functions, good sealing effect, good aging resistance and corrosion resistance and excellent buffering performance.

Description

Automobile sealing strip

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to automobile sealing strip.

Background

With the rapid development of social and economic activities, sealing strips have come into wide use, so-called sealing strips are products that seal an object so that it is not easily opened and perform the functions of shock absorption, water resistance, sound insulation, heat insulation, dust prevention, fixation, etc., the sealing strips are made of various materials such as rubber, paper, metal, plastic, etc., the sealing strips can be classified according to several methods such as cross-sectional shape, vulcanization method, use site and use, use material, etc., the sealing strips can be classified into types such as solid products (circular, square, flat cross-sectional shape), hollow products, metal rubber composite products, etc. according to cross-sectional shape, the sealing strips can be classified into non-continuous vulcanization method, non-continuous vulcanization method according to vulcanization method, and the sealing strips can be classified into window sealing strips, door sealing strips, trim strips, molding strips, other sealing strips (trunk lid sealing strips, hood sealing strips, water tank seal, emergency door seal, etc.).

In the current automobile market, the utilization rate of the skylight is higher and higher, and in order to play a role of water prevention and silence, a sealing strip is generally arranged on a skylight frame of the automobile skylight so as to realize the sealing between the skylight frame and skylight glass. However, the prior skylight sealing strip still has the problems of poor sealing effect, single function and no good aging resistance and corrosion resistance.

In view of the above, it is necessary to provide a technical solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the automobile sealing strip is provided to solve the problems that the existing automobile sealing strip is poor in sealing effect, single in function and incapable of having good aging resistance and corrosion resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automobile sealing strip comprises a sealing strip main body, wherein a fixing groove is formed in one side of the sealing strip main body, a first convex strip and a second convex strip are mounted on the inner side of the fixing groove, and a first fixing column corresponding to the first convex strip and a second fixing column corresponding to the second convex strip are further mounted on the inner side of the fixing groove; a blocking edge is arranged in an area, close to the fixing groove, in the middle of the sealing strip main body, and the blocking edge is composed of an ethylene propylene diene monomer layer, a chloroprene rubber layer, a polyurethane rubber layer and a silica gel layer which are inwards arranged in sequence by taking the fixing groove as a reference; the sealing strip is characterized in that a sealing cavity in a D shape is formed in the other side of the sealing strip main body, the silica gel layer is a wall body of the sealing cavity, a plurality of buffer blocks are arranged on the surface of the silica gel layer and located in the sealing cavity, and a water guide strip inclined is arranged on the wall body outside the sealing cavity.

Preferably, the buffer block is made of a compact material, and the water guide strip is made of a foam material.

Preferably, the inclined direction of the water guide strip is a direction towards the arc-shaped edge of the sealing cavity.

Preferably, an I-shaped fixing rib is arranged inside the blocking edge.

Preferably, the vertical rod of the I-shaped fixing rib is close to the fixing groove.

Preferably, the first protruding strip and the second protruding strip both protrude towards the fixing groove in an inclined manner.

Preferably, the first protruding strips and the second protruding strips protrude in the same direction.

The beneficial effects of the utility model reside in that: compared with the prior art, the utility model provides a sealing strip for automobile, preferred being used for sunroof. Through setting up fixed recess in one side of sealing strip main part, the use of the first sand grip of this fixed recess cooperation, first fixed column, second sand grip, second fixed column can firmly fix sunroof, reaches good sealed effect. In addition, the blocking edge of the sealing strip is composed of a plurality of rubber layers, ethylene propylene diene monomer is coated inside the ethylene propylene diene monomer layer, chloroprene rubber is coated inside the chloroprene rubber layer, polyurethane rubber is coated inside the polyurethane rubber layer, silica gel is coated inside the silica gel layer, and aging resistance and corrosion resistance of the sealing strip are effectively improved through synergistic combination of the ethylene propylene diene monomer, the chloroprene rubber, the polyurethane rubber and the silica gel. In addition, the sealing strip effectively plays a role in buffering through the arrangement of the sealing cavity and the buffering block, the water guide strip arranged outside the sealing cavity facilitates the circulation of external water, water is effectively prevented from permeating into an automobile, and the sealing effect of the sealing strip is further enhanced.

Drawings

Fig. 1 is the overall structure schematic diagram of the automobile sealing strip of the present invention.

Fig. 2 is the utility model discloses car sealing strip's half section structure schematic diagram.

In the figure: 1-a sealing strip body; 11-fixing the groove; 12-a first rib; 13-second raised strips; 14-first fixed column; 15-a second fixed column; 16-blocking edge; 161-ethylene propylene diene monomer rubber layer; 162-a neoprene layer; 163-a polyurethane rubber layer; 164-a silica gel layer; 17-a sealed cavity; 18-a buffer block; 2-water guide strip.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

As shown in fig. 1-2, an automobile sealing strip includes a sealing strip main body 1, a fixing groove 11 is provided at one side of the sealing strip main body 1, a first protruding strip 12 and a second protruding strip 13 are installed at the inner side of the fixing groove 11, and a first fixing column 14 corresponding to the first protruding strip 12 and a second fixing column 15 corresponding to the second protruding strip 13 are also installed at the inner side of the fixing groove 11; a blocking edge 16 is arranged in the area, close to the fixing groove 11, of the middle part of the sealing strip body 1, and the blocking edge 16 consists of an ethylene propylene diene monomer rubber layer 161, a chloroprene rubber layer 162, a polyurethane rubber layer 163 and a silica gel layer 164 which are inwards arranged in sequence by taking the fixing groove 11 as a reference; the opposite side of sealing strip main part 1 is provided with the sealed chamber 17 that is "D" type, and silica gel layer 164 is a wall body of sealed chamber 17, and the surface of silica gel layer 164 is provided with a plurality of buffer block 18, and a plurality of buffer block 18 is located sealed chamber 17, is provided with the water guide strip 2 of an slope on the sealed chamber 17 outer wall body.

Wherein, the ethylene propylene diene monomer is coated inside the ethylene propylene diene monomer rubber layer 161, or can be directly prepared from the ethylene propylene diene monomer rubber; similarly, the neoprene layer 162, the polyurethane rubber layer 163, and the silicone rubber layer 164. Through the structural design of the four layers and the combined action of the four layers of substances, the aging resistance and the corrosion resistance of the sealing strip are greatly improved.

Further, the buffer block 18 is made of a dense material, and the water guide strip 2 is made of a foam material. Buffer block 18 adopts closely knit material can increase the holistic impact resistance of sealing strip, and water guide strip 2 adopts expanded material then can alleviate the dead weight of sealing strip, alleviates its weight as far as when guaranteeing that the sealing strip has good buffering effect, is favorable to its final buffering effect that has more.

Further, the water guide strip 2 is inclined in a direction toward the circular arc-shaped edge of the seal cavity 17. The inclined direction can further ensure that the water flow can be smoothly discharged along the water guide strip 2, and the problem of water leakage caused by the fact that the water flow cannot be discharged is prevented.

Further, an i-shaped fixing rib is arranged inside the blocking edge 16, wherein a vertical rod of the i-shaped fixing rib is arranged close to the fixing groove 11. The montant of this fixed muscle of I shape can be close to chloroprene rubber layer 162 setting, its and the combined action of buffer block 18 more the guarantee the firm of sealing strip, even the car meets with external strong impact, the stability of sunroof also can be guaranteed to this sealing strip, further stabilizes the shock resistance of roof.

Further, the first protrusion 12 and the second protrusion 13 are each obliquely protruded toward the fixing groove 11. Preferably, the projecting directions of the first projecting strips 12 and the second projecting strips 13 are the same.

The working principle is as follows: when the sealing strip specifically used, put into the fixed recess 11 of sealing strip main part 1 with sunroof for sunroof and fixed recess 11 zonulae occludens, and waterproof sealing sand grip can be regarded as to first sand grip 12, sets up at the inboard outer edge of fixed recess 11, uses with the cooperation of first fixed column 14, can prevent effectively that water from oozing into fixed recess 11, guarantees the leakproofness that fixed recess 11 and skylight are connected. And second sand grip 13 can regard as the sealed sand grip of antiskid, sets up at the inboard interior edge of fixed recess 11, uses with the cooperation of second fixed column 15 for skylight and sealing strip firmly fix together, and four combined action have guaranteed the firm connection of sealing strip with sunroof. When the top of the automobile is impacted, the sealing cavity 17, the buffer block 18 and the I-shaped fixing ribs are arranged to fix and protect the skylight; the water drainage function of the water guide strip 2 can prevent water leakage, and the waterproof performance of the sealing strip is ensured.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (7)

1. The automobile sealing strip comprises a sealing strip main body (1) and is characterized in that a fixing groove (11) is formed in one side of the sealing strip main body (1), a first convex strip (12) and a second convex strip (13) are installed on the inner side of the fixing groove (11), and a first fixing column (14) corresponding to the first convex strip (12) and a second fixing column (15) corresponding to the second convex strip (13) are further installed on the inner side of the fixing groove (11); a blocking edge (16) is arranged in an area, close to the fixing groove (11), in the middle of the sealing strip main body (1), and the blocking edge (16) is composed of an ethylene propylene diene monomer rubber layer (161), a chloroprene rubber layer (162), a polyurethane rubber layer (163) and a silica gel layer (164) which are inwards and sequentially arranged on the basis of the fixing groove (11); the opposite side of sealing strip main part (1) is provided with sealed chamber (17) that are "D" type, silica gel layer (164) do a wall body of sealed chamber (17), the surface of silica gel layer (164) is provided with a plurality of buffer block (18), and a plurality of buffer block (18) are located in sealed chamber (17), be provided with water guide strip (2) of an slope on the outer wall body of sealed chamber (17).

2. The weather strip according to claim 1, wherein the cushion block (18) is a solid material and the water guide strip (2) is a foamed material.

3. The weather strip according to claim 1, wherein the water guide strip (2) is inclined in a direction toward the circular arc-shaped edge of the seal cavity (17).

4. The weather strip according to claim 1, wherein an i-shaped fixing rib is provided inside the blocking edge (16).

5. The automotive sealing strip according to claim 4, characterized in that the vertical bar of the I-shaped fixing rib is arranged close to the fixing groove (11).

6. The weather strip according to claim 1, wherein the first rib (12) and the second rib (13) each protrude obliquely toward the fixing groove (11).

7. The weather strip according to claim 6, wherein the first rib (12) and the second rib (13) protrude in the same direction.

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