CN110803006B - Sealing strip adopting novel compression molding structure of TPV material - Google Patents
Sealing strip adopting novel compression molding structure of TPV material Download PDFInfo
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- CN110803006B CN110803006B CN201911234645.0A CN201911234645A CN110803006B CN 110803006 B CN110803006 B CN 110803006B CN 201911234645 A CN201911234645 A CN 201911234645A CN 110803006 B CN110803006 B CN 110803006B
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- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000000748 compression moulding Methods 0.000 title abstract description 7
- 238000004080 punching Methods 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 43
- 241000510678 Falcaria vulgaris Species 0.000 claims description 39
- 230000000087 stabilizing effect Effects 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 abstract description 18
- 229920002803 thermoplastic polyurethane Polymers 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/20—Sealing arrangements characterised by the shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention discloses a sealing strip adopting a novel compression molding structure of TPV (thermoplastic polyurethane) material, which comprises a vehicle frame and a vehicle door, wherein the edge of the vehicle door, which is close to the inner wall of the vehicle frame, is provided with the sealing strip, and the sealing strip comprises a first sealing part, a second sealing part, a third sealing part and a connecting piece; the first sealing part is connected to the left side of the connecting piece, the second sealing part is connected to the lower part of the connecting piece, and the third sealing part is connected to the right side of the connecting piece; fluff lips are arranged at punching positions of the first sealing part, the second sealing part and the third sealing part; the sealing strip adopting the novel compression molding structure of the TPV material has the advantages of reducing cost investment of manpower, equipment and tooling molds, better sealing performance and better dustproof and anti-noise effects.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a sealing strip adopting a novel compression molding structure of TPV materials.
Background
The sealing strip for the vehicle door is a product which seals the vehicle door, ensures that the vehicle door is not easy to open, and has the functions of shock absorption, water resistance, sound insulation, heat insulation, dust prevention, fixation and the like. The novel anti-dust waterproof and dustproof anti-noise heat insulation and shock absorption automobile door is mainly applied to the fields of door leaves and frames of automobile doors, side windows, front and rear windshield, engine covers and trunk covers, and has the functions of waterproof, dustproof, sound insulation, heat insulation, shock absorption, decoration and the like.
The traditional door sealing strip is in butt joint of two different cross sections in rear door C post middle column position, and most motorcycle types prevent fracture and outward appearance in order to ensure the butt joint fastness, dock with EPDM, and to the update upgrading of motorcycle type moreover, structure and material can all be along with last generation motorcycle type, avoid appearing similar problem.
Disclosure of Invention
The sealing strip with the novel compression molding structure adopts TPV materials, overcomes the defects of the prior art, reduces the cost investment of manpower, equipment and tooling molds, has better sealing performance and dustproof and noise-proof effects.
The technical scheme of the invention is as follows:
the sealing strip comprises a vehicle frame and a vehicle door, wherein the edge of the vehicle door, which is close to the inner wall of the vehicle frame, is provided with the sealing strip, and the sealing strip comprises a first sealing part, a second sealing part, a third sealing part and a connecting piece; the first sealing part is connected to the left side of the connecting piece, the second sealing part is connected to the lower part of the connecting piece, and the third sealing part is connected to the right side of the connecting piece; and fluff lips are arranged at punching positions of the first sealing part, the second sealing part and the third sealing part.
Further, the first sealing part comprises a U-shaped framework, a first rubber layer, a first inner lip, a first outer long leaf, a first outer short leaf, a first covering part and a first clamping part;
the first rubber layer comprises a U-shaped part and a lower fixing part, wherein the U-shaped part completely covers the U-shaped framework, a first extension part is arranged at one end of the U-shaped part far away from an opening of the U-shaped framework, the first extension part is J-shaped, and the first covering part is arranged at the outer side of the first extension part; a first inner lip is distributed on one side, far away from the first extension part, of the inner side of the U-shaped part, a first outer long leaf is arranged at the middle position, close to the first inner lip, of the outer side of the U-shaped part, and a first outer short leaf is arranged at a port on one side, where the first inner lip is arranged, of the first rubber layer;
the length of one side of the U-shaped part, where the first inner lip is arranged, is longer than that of the other side of the U-shaped part, and a first protrusion is arranged at the end part of the shorter side of the U-shaped part, which is far away from the first inner lip, and the height of the first protrusion is smaller than the extending distance of the first extension part.
Further, the whole first inner lip edge is an arc edge, one end of the arc edge is deviated to the opening direction far away from the U-shaped framework, and the arc edge is connected with the first rubber layer and is provided with a notch near the opening direction of the U-shaped framework;
the first outer long leaf bends towards the direction of the first extension part, and the inclination angle of the first outer long leaf is 50-70 degrees; the first outer short leaf bends towards the direction of the first extension part, and the inclination angle of the first outer short leaf is 25-35 degrees; the extension of the first outside short leaf is located in the intermediate position of the first outside long leaf, and the bending angle of the first outside long leaf is twice that of the first outside short leaf.
Further, the whole lower fixing part is J-shaped, and first clamping parts are distributed on one side, close to the first covering part, of the lower fixing part and are bent towards the U-shaped framework.
Further, the second sealing part comprises a second stabilizing part, a second mounting leaf and a second clamping leaf, and the second mounting leaf and the second clamping leaf are respectively arranged at two ends of the second stabilizing part; the second stabilizing part is integrally U-shaped, a second positioning part is arranged in one side of the second stabilizing part, the second positioning part bends towards the opening direction of the second stabilizing part, and the side, close to the opening of the second stabilizing part, of the second positioning part is covered with TPV material; the second stabilizing part is provided with a second protrusion at one side far away from the second mounting leaf, and two sides of the second stabilizing part are provided with second extension parts outwards;
the second mounting leaf is arc-shaped, one end of the arc extends out of the outer side of the second stabilizing part, the end of the arc extends out of the second extending part of the second stabilizing part and can be connected with the second extending part when the second mounting leaf is extended, the other end of the arc bends towards the second protruding direction, the second mounting leaf She Yuanli protrudes out of the second fixing leaf and is positioned at the inner side of the second stabilizing part to cover the TPV material;
the second clamping blade is J-shaped, the hook part of the second clamping blade is provided with an inclined section, and the inner side of the second clamping blade and one side of the second stabilizing part cover the TPV material together.
Further, the third sealing part comprises a U-shaped framework, a third rubber layer, a third inner lip, a third outer long leaf, a third outer short leaf and a third covering part; the third rubber layer completely covers the U-shaped framework, a third extension part is arranged at one end of the third rubber layer, which is far away from the opening of the U-shaped framework, the third cover part is arranged at the third extension part, a third inner lip edge is arranged at one side, which is far away from the third extension part, of the inner side of the third rubber layer, a third outer long leaf is arranged at the middle position, which is close to the third inner lip edge, of the outer side of the third rubber layer, and a third outer short leaf is arranged at a port at one side, which is provided with the third inner lip edge, of the third rubber layer;
the length of one side of the third rubber layer, which is provided with the third inner lip, is longer than that of the other side of the third rubber layer, and a third protrusion is arranged at the end part of the shorter side of the third rubber layer, which is far away from the third inner lip, and the height of the third protrusion is smaller than the extending distance of the third extension part.
Further, the third inner lip is integrally provided with an arc edge, one end of the arc edge is deviated to the opening direction far away from the U-shaped framework, and the arc edge is connected with the third rubber layer and is provided with a notch close to the opening direction of the U-shaped framework.
Further, the third outer long leaf is bent towards the third extension part, and the inclination angle of the third outer long leaf is 50-70 degrees; the third outer short leaf bends towards the direction of the third extension part, and the inclination angle of the third outer short leaf is 25-35 degrees; the extension of the third outside short leaf is located in the middle of the third outside long leaf, and the bending angle of the third outside long leaf is twice that of the third outside short leaf.
Further, the connecting piece comprises a base plate, a U-shaped plate, a 90-degree bending plate and a connecting part; the shape of the substrate is matched with the section of the first sealing part, wherein the lower fixing part of the first sealing part corresponds to the connecting part; the U-shaped plate is arranged at the middle position of one side of the base plate far away from the joint part, and the 90-degree bending plate is arranged at the inner side of the U-shaped plate.
Further, the base plate is provided on one side of the U-shaped plate, and the cross-sectional shape of the base plate above the U-shaped plate is similar to that of the third sealing portion.
Further, the base plate is provided with a U-shaped plate, and the upward cross-sectional shape of the 90 ° bent plate is similar to that of the second seal portion.
Compared with the traditional electric hammer vibration reduction mode, the invention has the following advantages:
according to the invention, through the middle column position of the rear door C column, the sealing parts formed by the extrusion strips with three different cross sections are butted together, and the angle connecting material is TPV, so long as the sealing parts formed by the extrusion strips are directly cut flat, the fluff lip is left when the extrusion strips are punched, the integral structure can ensure the angle connecting fastness, solve the procedures of fluff scalding, fluff supplementing and the like during angle connection, improve the production efficiency and save the cost. Seamless butt joint operation is not needed like the traditional structure, and working procedures and operation steps are greatly reduced.
According to the invention, three sealing parts formed by three extruded strips with different cross sections and joint angle materials are combined with side wall sealing lips with three different cross sections and glass sealing foam holes, so that the sealing effect of the joint part of glass and a vehicle body is greatly improved, and the joint angle materials are designed by adopting TPV (thermoplastic polyurethane), so that the mold belongs to a cold mold, and the condition that the temperature of the joint angle mold is high and fluff is scalded is avoided.
The invention solves the problems of formulation and process technology in the industrialization process by optimizing the structure of the sealing strip, realizes batch production, promotes the scientific and economic development of companies, improves the research and development capability of the sealing strip of the companies, and has important significance for promoting the development of the automobile sealing strip industry in China.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a cross-sectional view of a first seal portion of the present invention;
FIG. 3 is a cross-sectional view of a second seal portion of the present invention;
FIG. 4 is a cross-sectional view of a third seal portion of the present invention;
FIG. 5 is a block diagram of a connector according to the present invention;
FIG. 6 is a block diagram of the other side view of FIG. 5 in accordance with the present invention;
FIG. 7 is a block diagram of the top view of FIG. 5 of the present invention;
fig. 8 is a block diagram of the bottom view of fig. 5 in accordance with the present invention.
Reference numerals: the first seal portion 1, the first rubber layer 11, the first inner lip 12, the first outer long leaf 13, the first outer short leaf 14, the first cover portion 15, the first click portion 16, the first extension portion 17, the first protrusion 18, the lower fixing portion 19, the second seal portion 2, the second fixing portion 21, the second mounting leaf 22, the second click leaf 23, the second positioning portion 24, the second protrusion 25, the second extension portion 26, the third seal portion 3, the third protrusion 31, the third rubber layer 32, the third inner lip 33, the third outer short leaf 34, the third cover portion 35, the third extension portion 36, the third outer long leaf 37, the connector 4, the base plate 41, the U-shaped plate 42, the 90 ° bent plate 43, the joining portion 44.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 8, the sealing strip adopting the novel compression molding structure of the TPV material comprises a vehicle frame and a vehicle door, wherein the sealing strip is arranged at the edge of the vehicle door, which is close to the inner wall of the vehicle frame, and comprises a first sealing part 1, a second sealing part 2, a third sealing part 3 and a connecting piece 4. The first sealing part 1 is connected to the left side of the connecting piece 4, the second sealing part 2 is connected to the lower part of the connecting piece 4, and the third sealing part 3 is connected to the right side of the connecting piece 4; and fluff lips are arranged at punching positions of the first sealing part 1, the second sealing part 2 and the third sealing part 3, so that the connection piece 4 is convenient to firmly connect. The first sealing part 1, the second sealing part 2 and the third sealing part 3 formed by the extrusion strips with three different cross sections are butted together, and the angle connecting material adopts TPV, so long as the sealing parts formed by the extrusion strips are directly cut flat, the fluff lip is left when the extrusion strips are punched, the integral structure can ensure the angle connecting fastness, the procedures of fluff scalding, fluff supplementing and the like during angle connection can be solved, the production efficiency is improved, and the cost is saved. Seamless butt joint operation is not needed like the traditional structure, and working procedures and operation steps are greatly reduced.
The first sealing portion 1 includes a U-shaped frame, a first rubber layer 11, a first inner lip 12, a first outer long leaf 13, a first outer short leaf 14, a first cover portion 15, and a first click portion 16.
The first rubber layer 11 comprises a U-shaped part and a lower fixing part 19 which completely cover the U-shaped framework, a first extension part 17 is arranged at one end of the U-shaped part far away from the opening of the U-shaped framework, the first extension part 17 is J-shaped, and the first cover part 15 is arranged outside the first extension part 17; the inner side of the U-shaped part is far away from the first extension part 17, a first inner lip 12 is distributed on one side, a first outer long leaf 13 is arranged on the outer side of the U-shaped part near the middle position of the first inner lip 12, and a first outer short leaf 14 is arranged at a port of one side of the first rubber layer 11, where the first inner lip 12 is arranged. The first outer long leaf 13, the first outer short leaf 14 form a perfect sealing fit with the top of the vehicle door.
The length of one side of the U-shaped part where the first inner lip 12 is arranged is longer than the other side thereof, and the shorter side of the U-shaped part is provided with a first protrusion 18 away from the end of the first inner lip 12, the height of the first protrusion 18 being smaller than the distance the first extension 17 extends. The first inner lip 12 is integrally formed as an arc edge, one end of the arc edge is biased to the opening direction away from the U-shaped framework, and the arc edge is connected with the first rubber layer 11 and is provided with a notch close to the opening direction of the U-shaped framework. The first outer long leaf 13 is bent towards the first extension 17, and the inclination angle of the first outer long leaf 13 is 50-70 degrees; the first outer short leaf 14 is bent in the direction of the first extension 17, the first outer short leaf 14 having an inclination angle of between 25 ° and 35 °; the extension of the first outer short leaf 14 is located in the middle of the first outer long leaf 13, and the bending angle of the first outer long leaf 13 is twice that of the first outer short leaf 14. The lower fixing portion 19 is overall J-shaped, and the first clamping portions 16 are distributed on one side, close to the first covering portion 15, of the lower fixing portion 19, and the first clamping portions 16 are bent towards the U-shaped framework. The design forms a perfect sealing effect, reduces wind noise and improves stability.
The second sealing part 2 comprises a second stabilizing part 21, a second mounting leaf 22 and a second clamping leaf 23, and the second mounting leaf 22 and the second clamping leaf 23 are respectively arranged at two ends of the second stabilizing part 21; the second stabilizing part 21 is integrally U-shaped, wherein a second positioning part 24 is arranged in one side of the second stabilizing part, the second positioning part 24 is bent towards the opening direction of the second stabilizing part 21, and the side, close to the opening direction of the second stabilizing part 21, of the second positioning part 24 is covered with TPV material; the second fixing portion 21 is provided with a second protrusion 25 on a side far away from the second mounting leaf 22, and is provided with second extension portions 26 on two sides thereof, so that high extrusion resistance of the door vertical strip portion is formed, and overall stable connection is improved.
The second mounting leaf 22 is arc-shaped, and one end of the arc extends out of the second fixing portion 21, and the end is connected to the second extension portion 26 of the second fixing portion 21 when extended, and the other end of the arc is bent in the direction of the second protrusion 25, and the second mounting leaf 22 is far away from the second protrusion 25 and located at the inner side of the second fixing portion 21 to cover the TPV material. The second clamping blade 23 is J-shaped, the hook part of the second clamping blade 23 is provided with an inclined plane, and the inner side of the second clamping blade 23 and one side of the second stabilizing part 21 are covered with TPV material, so that wind noise and possible friction noise are greatly reduced.
The third sealing part 3 comprises a U-shaped framework, a third rubber layer 32, a third inner lip 33, a third outer long leaf 37, a third outer short leaf 34 and a third covering part 35; the third rubber layer 32 completely covers the U-shaped framework, a third extension part 36 is arranged at one end of the third rubber layer 32 far away from the opening of the U-shaped framework, a third cover part 35 is arranged at the third extension part 36, a third inner lip 33 is arranged at one side of the inner side of the third rubber layer 32 far away from the third extension part 36, a third outer long leaf 37 is arranged at the middle position of the outer side of the third rubber layer 32 near the third inner lip 33, and a third outer short leaf 34 is arranged at a port of one side of the third rubber layer 32 where the third inner lip 33 is arranged. The third rubber layer 32 is provided with a third inner lip 33 longer on one side than the other side thereof, and a third protrusion 31 is provided on the shorter side of the third rubber layer 32 away from the end of the third inner lip 33, the height of the third protrusion 31 being smaller than the distance the third extension 36 extends. The third inner lip 33 is integrally formed as an arc-shaped edge, one end of the arc-shaped edge is biased to a direction away from the opening of the U-shaped frame, and the arc-shaped edge is connected with the third rubber layer 32 and is provided with a notch near the opening of the U-shaped frame. The third outer long leaf 37 is bent toward the third extension 36, and the inclination angle of the third outer long leaf 37 is between 50 ° and 70 °; the third outer short leaf 34 is bent in the direction of the third extension 36, the inclination angle of the third outer short leaf 34 being between 25 ° and 35 °; the extension of the third outside short leaf 34 is located in the middle of the third outside long leaf 37, and the bending angle of the third outside long leaf 37 is twice that of the third outside short leaf 34.
The structure of the first sealing part 1, the second sealing part 2 and the third sealing part 3 greatly improves the sealing effect of the joint part of the glass and the vehicle body, and the joint angle material adopts TPV design, so that the mold belongs to a cold mold, and the condition that the temperature of the joint angle mold is high so as to scald fluff can not occur.
As shown in fig. 5 to 8, the connector 4 includes a base plate 41, a U-shaped plate 42, a 90 ° bent plate 43, and a joint portion 44; the shape of the substrate 41 is adapted to the cross section of the first sealing portion 1 (substantially the same cross-sectional shape). Wherein, the lower fixing part 19 of the first sealing part 1 corresponds to the engagement part 44; the U-shaped plate 42 is provided at an intermediate position on the side of the base plate 41 remote from the engagement portion 44, and the 90 ° bent plate 43 is provided on the inner side of the U-shaped plate 42. The base plate 41 is provided on one side of the U-shaped plate 42, and the cross-sectional shape of the base plate 41 above the U-shaped plate 42 is similar (substantially the same cross-sectional shape) to the third seal portion 3. The base plate 41 is provided with a U-shaped plate 42, and the upward cross-sectional shape of the 90 ° bent plate 43 is similar to (substantially the same as) the second seal portion 2. Corresponding bosses are arranged at the positions of the connecting piece 4, the first outer short leaf 14 and the third outer short leaf 34 of the first sealing part 1 and the third sealing part 3, one side of the first extension part 17 is also provided with a boss, and the outer side of one end of the lower fixing part 19, which is close to the U-shaped framework, is provided with a corresponding boss so as to improve the stable connection of the whole sealing strip structure.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (1)
1. The utility model provides an adopt sealing strip of novel mould pressing structure of TPV material, includes car frame and door, its characterized in that: the edge of the vehicle door, which is close to the inner wall of the vehicle frame, is provided with a sealing strip, and the sealing strip comprises a first sealing part, a second sealing part, a third sealing part and a connecting piece; the first sealing part is connected to the left side of the connecting piece, the second sealing part is connected to the lower part of the connecting piece, and the third sealing part is connected to the right side of the connecting piece; fluff lips are arranged at punching positions of the first sealing part, the second sealing part and the third sealing part;
the first sealing part comprises a U-shaped framework, a first rubber layer, a first inner lip, a first outer long leaf, a first outer short leaf, a first covering part and a first clamping part;
the first rubber layer comprises a U-shaped part and a lower fixing part, wherein the U-shaped part completely covers the U-shaped framework, a first extension part is arranged at one end of the U-shaped part far away from an opening of the U-shaped framework, the first extension part is J-shaped, and the first covering part is arranged at the outer side of the first extension part; a first inner lip is distributed on one side, far away from the first extension part, of the inner side of the U-shaped part, a first outer long leaf is arranged at the middle position, close to the first inner lip, of the outer side of the U-shaped part, and a first outer short leaf is arranged at a port on one side, where the first inner lip is arranged, of the first rubber layer;
the length of one side of the U-shaped part, where the first inner lip is arranged, is longer than that of the other side of the U-shaped part, and a first protrusion is arranged at the end part of the shorter side of the U-shaped part, which is far away from the first inner lip, and the height of the first protrusion is smaller than the extending distance of the first extension part;
the first inner lip is integrally provided with an arc edge, one end of the arc edge is deviated to the opening direction far away from the U-shaped framework, and the arc edge is connected with the first rubber layer and is provided with a notch near the opening direction of the U-shaped framework;
the first outer long leaf bends towards the direction of the first extension part, and the inclination angle of the first outer long leaf is 50-70 degrees; the first outer short leaf bends towards the direction of the first extension part, and the inclination angle of the first outer short leaf is 25-35 degrees; the extension of the first outer short leaf is positioned at the middle position of the first outer long leaf, and the bending angle of the first outer long leaf is twice as large as that of the first outer short leaf;
the lower fixing part is integrally J-shaped, and first clamping parts are distributed on one side, close to the first covering part, of the lower fixing part and are bent towards the U-shaped framework;
the second sealing part comprises a second stabilizing part, a second mounting leaf and a second clamping leaf, and the second mounting leaf and the second clamping leaf are respectively arranged at two ends of the second stabilizing part; the second stabilizing part is integrally U-shaped, a second positioning part is arranged in one side of the second stabilizing part, the second positioning part bends towards the opening direction of the second stabilizing part, and the side, close to the opening of the second stabilizing part, of the second positioning part is covered with TPV material; the second stabilizing part is provided with a second protrusion at one side far away from the second mounting leaf, and two sides of the second stabilizing part are provided with second extension parts outwards;
the second mounting leaf is arc-shaped, one end of the arc extends out of the outer side of the second stabilizing part, the end of the arc extends out of the second extending part of the second stabilizing part and can be connected with the second extending part when the second mounting leaf is extended, the other end of the arc bends towards the second protruding direction, the second mounting leaf She Yuanli protrudes out of the second fixing leaf and is positioned at the inner side of the second stabilizing part to cover the TPV material;
the second clamping blade is J-shaped, the hook part of the second clamping blade is provided with an inclined section, and the inner side of the second clamping blade and one side of the second stabilizing part cover the TPV material together;
the third sealing part comprises a U-shaped framework, a third rubber layer, a third inner lip edge, a third outer long leaf, a third outer short leaf and a third covering part; the third rubber layer completely covers the U-shaped framework, a third extension part is arranged at one end of the third rubber layer, which is far away from the opening of the U-shaped framework, the third cover part is arranged at the third extension part, a third inner lip edge is arranged at one side, which is far away from the third extension part, of the inner side of the third rubber layer, a third outer long leaf is arranged at the middle position, which is close to the third inner lip edge, of the outer side of the third rubber layer, and a third outer short leaf is arranged at a port at one side, which is provided with the third inner lip edge, of the third rubber layer;
the length of one side of the third rubber layer, which is provided with the third inner lip, is longer than that of the other side of the third rubber layer, and a third protrusion is arranged at the end part of the shorter side of the third rubber layer, which is far away from the third inner lip, and the height of the third protrusion is smaller than the extending distance of the third extension part;
the third inner lip is an arc-shaped edge as a whole, one end of the arc-shaped edge is deviated to the opening direction far away from the U-shaped framework, and the arc-shaped edge is connected with the third rubber layer and is provided with a notch close to the opening direction of the U-shaped framework;
the third outer long leaf bends towards the direction of the third extension part, and the inclination angle of the third outer long leaf is 50-70 degrees; the third outer short leaf bends towards the direction of the third extension part, and the inclination angle of the third outer short leaf is 25-35 degrees; the extension of the third outer short leaf is positioned at the middle position of the third outer long leaf, and the bending angle of the third outer long leaf is twice as large as that of the third outer short leaf;
the connecting piece comprises a base plate, a U-shaped plate, a 90-degree bending plate and a connecting part; the shape of the substrate is matched with the section of the first sealing part, wherein the lower fixing part of the first sealing part corresponds to the connecting part; the U-shaped plate is arranged in the middle of one side of the base plate far away from the joint part, and the 90-degree bending plate is arranged on the inner side of the U-shaped plate;
the substrate is arranged on one side of the U-shaped plate, and the cross section of the substrate above the U-shaped plate is similar to the cross section of the third sealing part; the base plate is provided with a U-shaped plate, and the upward cross-sectional shape of the 90 DEG bent plate is similar to that of the second sealing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234645.0A CN110803006B (en) | 2019-12-05 | 2019-12-05 | Sealing strip adopting novel compression molding structure of TPV material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911234645.0A CN110803006B (en) | 2019-12-05 | 2019-12-05 | Sealing strip adopting novel compression molding structure of TPV material |
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| CN110803006A CN110803006A (en) | 2020-02-18 |
| CN110803006B true CN110803006B (en) | 2023-12-08 |
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| JP2004203325A (en) * | 2002-12-26 | 2004-07-22 | Toyoda Gosei Co Ltd | Rear door weather strip for automobile |
| JP2007276686A (en) * | 2006-04-10 | 2007-10-25 | Nishikawa Rubber Co Ltd | Rear door division bar and its connecting and forming method |
| CN204184177U (en) * | 2014-11-06 | 2015-03-04 | 建新赵氏集团有限公司 | A kind of automobile back door guide rail sealing band |
| CN205059160U (en) * | 2015-10-29 | 2016-03-02 | 重庆长安汽车股份有限公司 | Car window frame sealing strip connect corner structure |
| CN205818892U (en) * | 2016-07-14 | 2016-12-21 | 奇瑞汽车股份有限公司 | The sealing structure of automotive window |
| CN207466325U (en) * | 2017-11-16 | 2018-06-08 | 建新赵氏集团有限公司 | A kind of C columns guide rail gasket structure |
| CN207523424U (en) * | 2017-11-15 | 2018-06-22 | 上汽通用汽车有限公司 | Vehicle window frame seals positioning component |
| CN208469527U (en) * | 2018-05-29 | 2019-02-05 | 上汽通用汽车有限公司 | Glass guide-rail sealing strip C column lip, C column lip mating structure and automobile |
| CN209650018U (en) * | 2019-03-05 | 2019-11-19 | 安徽晨阳橡塑股份有限公司 | A kind of interior slitting of sedan door |
| CN211032138U (en) * | 2019-12-05 | 2020-07-17 | 建新赵氏科技有限公司 | Sealing strip adopting novel mould pressing structure made of TPV (thermoplastic vulcanizate) material |
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2019
- 2019-12-05 CN CN201911234645.0A patent/CN110803006B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004203325A (en) * | 2002-12-26 | 2004-07-22 | Toyoda Gosei Co Ltd | Rear door weather strip for automobile |
| JP2007276686A (en) * | 2006-04-10 | 2007-10-25 | Nishikawa Rubber Co Ltd | Rear door division bar and its connecting and forming method |
| CN204184177U (en) * | 2014-11-06 | 2015-03-04 | 建新赵氏集团有限公司 | A kind of automobile back door guide rail sealing band |
| CN205059160U (en) * | 2015-10-29 | 2016-03-02 | 重庆长安汽车股份有限公司 | Car window frame sealing strip connect corner structure |
| CN205818892U (en) * | 2016-07-14 | 2016-12-21 | 奇瑞汽车股份有限公司 | The sealing structure of automotive window |
| CN207523424U (en) * | 2017-11-15 | 2018-06-22 | 上汽通用汽车有限公司 | Vehicle window frame seals positioning component |
| CN207466325U (en) * | 2017-11-16 | 2018-06-08 | 建新赵氏集团有限公司 | A kind of C columns guide rail gasket structure |
| CN208469527U (en) * | 2018-05-29 | 2019-02-05 | 上汽通用汽车有限公司 | Glass guide-rail sealing strip C column lip, C column lip mating structure and automobile |
| CN209650018U (en) * | 2019-03-05 | 2019-11-19 | 安徽晨阳橡塑股份有限公司 | A kind of interior slitting of sedan door |
| CN211032138U (en) * | 2019-12-05 | 2020-07-17 | 建新赵氏科技有限公司 | Sealing strip adopting novel mould pressing structure made of TPV (thermoplastic vulcanizate) material |
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| CN110803006A (en) | 2020-02-18 |
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Address after: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Applicant after: Jianxin Zhaoshi Technology Co.,Ltd. Address before: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Applicant before: JX ZHAO'S Group Corp. |
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