CN115071385A - Frameless door A post guide slot structure - Google Patents
Frameless door A post guide slot structure Download PDFInfo
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- CN115071385A CN115071385A CN202210588963.2A CN202210588963A CN115071385A CN 115071385 A CN115071385 A CN 115071385A CN 202210588963 A CN202210588963 A CN 202210588963A CN 115071385 A CN115071385 A CN 115071385A
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- guide groove
- door
- sheet metal
- pillar
- lip
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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
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0401—Upper door structure
- B60J5/0402—Upper door structure window frame details, including sash guides and glass runs
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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
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
- B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
- B60J10/76—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides for window sashes; for glass run channels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
- Window Of Vehicle (AREA)
Abstract
本发明公开了一种无框车门A柱导槽结构，旨在解决传统的无框车门因其无窗框，密封性差尤为严重，导致给客户NVH感受非常差，导致其密封性能极差的不足。该发明包括包括车门钣金、车门钣金靠近后视镜一侧设有车门三角钣金和外装饰板，车门三角钣金上设有导槽接角，外饰板与导槽接角挤压连接，外装饰板与车门三角钣金之间设有泡棉；车门钣金上设有导槽导轨，导槽导轨内设有A柱导槽本体；本发明的无框A柱导槽本体采用注塑接角的方式与车门钣金和导槽导轨进行匹配，同时结合外侧的外装饰板和泡棉形成完全密封结构，具备双重密封性，第一重，玻璃与密封条之间的密封，第二重为：导槽与泡棉、外装饰板之间形成的第二重密封；提升A柱密封性能。
The invention discloses a frameless vehicle door A-pillar guide groove structure, which aims to solve the problem that the traditional frameless vehicle door has no window frame, and the sealing performance is particularly serious, resulting in a very poor NVH experience for customers and poor sealing performance. . The invention includes a door sheet metal, a door triangular sheet metal and an outer trim plate on one side of the door sheet metal close to the rearview mirror, a guide groove corner is arranged on the door triangular sheet metal, and the outer trim plate and the guide groove are extruded at the corner. connection, foam cotton is arranged between the outer decorative panel and the door triangular sheet metal; the door sheet metal is provided with a guide groove guide, and the guide groove guide is provided with an A-pillar guide groove body; the frameless A-pillar guide groove body of the present invention adopts The way of injection-molded corners is matched with the door sheet metal and guide groove guide rails, and at the same time, combined with the outer decorative panel and foam on the outside to form a completely sealed structure, with double sealing, the first is the sealing between the glass and the sealing strip, the second The second layer is: the second layer of seal formed between the guide groove, the foam and the outer decorative panel; the sealing performance of the A-pillar is improved.
Description
Technical Field
The invention relates to the field of automobile spare and accessory parts related technologies, in particular to an A-pillar guide groove structure of a frameless door.
Background
With the continuous development of the automobile market, the application of the frameless vehicle door is gradually increased, and the frameless vehicle door has no upper window frame structure, so that the problems of air leakage, water leakage and the like of the A, B, C pillar are caused; the A column is the largest windward side, the requirements on water sealing and air sealing of the whole vehicle are high, the sealing performance of the A column is poor due to the structure of the traditional vehicle door, and the sealing performance of a frameless vehicle door is very poor due to the fact that the frameless vehicle door is not provided with a window frame, so that the NVH feeling of a customer is very poor, and the sealing performance of the frameless vehicle door is extremely poor.
The frameless vehicle door in the market at present mainly takes an integral sealing structure as a main part, only one sealing is realized, and the whole circle of sealing is formed by a plurality of sections, so that the matching of the vehicle door and an A column is simpler, a reliable sealing structure is lacked, partial sealing is not tight easily, and the NVH performance of the whole vehicle is influenced. The invention patent with publication number CN111301130A discloses a frameless vehicle door sealing structure, which comprises a vehicle body, wherein the vehicle body comprises a side wall metal plate and a vehicle door metal plate, the periphery of the vehicle body structure is respectively provided with a top sealing structure, an A column sealing structure, a B column sealing structure and a waist line sealing structure, the top sealing structure comprises an upper frame guide rail and a top sealing strip, the top sealing strip is arranged in the upper frame guide rail, the upper frame guide rail is fixedly connected with the side wall metal plate, the top sealing strip comprises an upper frame guide rail connecting part and a glass top sealing part, the invention overcomes the problems of complex sealing structure, difficult assembly and difficult after-sale disassembly of the frameless vehicle door in the prior art, realize through the scheme of difference that sealed waterproof and compromise the outward appearance, simple structure, manufacturing process also realizes more easily, and the assembly is simple, and is fixed firm, and it is convenient to dismantle the change after sale, and sealing performance is good. However, the technical solution of the present invention does not relate to sealing between the vehicle door and the a-pillar.
Disclosure of Invention
The invention overcomes the defect that the traditional frameless vehicle door has poor sealing performance due to poor NVH feeling of customers caused by poor sealing performance caused by no window frame, and provides the A-column guide groove structure of the frameless vehicle door.
In order to solve the technical problems, the invention adopts the following technical scheme: a frameless vehicle door A-pillar guide groove structure comprises a vehicle door metal plate, wherein a vehicle door triangular metal plate and an outer decorative plate are arranged on one side, close to a rearview mirror, of the vehicle door metal plate, a guide groove joint angle is arranged on the vehicle door triangular metal plate, the outer decorative plate is connected with the guide groove joint angle in an extrusion mode, and foam cotton is arranged between the outer decorative plate and the vehicle door triangular metal plate; be equipped with the guide slot guide rail on the door panel beating, be equipped with A post guide slot body in the guide slot guide rail.
The traditional vehicle door has poor sealing performance of the A column due to the structural reason, and the frameless vehicle door has poor sealing performance due to no window frame. The frameless A-column guide groove body is matched with a vehicle door metal plate and a guide groove guide rail in an injection corner connecting mode, and is combined with an outer decorative plate and foam on the outer side to form a complete sealing structure, so that the frameless A-column guide groove body has double sealing performance, the first sealing performance is realized, the sealing performance between glass and a sealing strip is realized, and the second sealing performance is realized: a second reseal is formed between the guide groove and the foam and between the guide groove and the outer decorative plate; thereby effectual promotion A post sealing performance, and then improved customer NVH impression.
Preferably, the guide groove connecting angle and the vehicle door metal plate are extruded to form a coating groove, a plurality of guide blocks are arranged on the guide groove connecting angle, and the guide blocks are in contact with the side face of the vehicle door metal plate. This guide slot connects angle structure can closely wrap the whole of door panel beating to the whole leakproofness of A post has been improved, and then the water-tight and the gas seal of A post have been improved.
Preferably, the guide groove corner intersects with the outer trim to form a snap groove, and the snap groove is press-sealed with the outer trim. The clamping groove structure can realize the sealing installation of the outer decorative plate.
Preferably, the side of the outer decorative plate, which is close to the car door sheet metal, is provided with a plurality of supporting plates, one of the supporting plates and the car door sheet metal outer decorative plate are combined to form a first foam cavity, the other supporting plate, the car door sheet metal, the outer decorative plate and the guide groove guide rail are combined to form a second foam cavity, and foam is filled in the first foam cavity and the second foam cavity. The two supporting plates are arranged, two first foam cavities and two second foam cavities can be formed through the structural combination, a double-foam sealing structure can be formed after foam is filled, and wind noise in the driving process of the automobile can be effectively reduced through the structure; and double foam sealing can be realized, so that the integral sealing performance of the A column is greatly improved.
Preferably, the glass run channel body is provided with a glass run channel, the glass run channel is provided with a first lip edge and a second lip edge, the glass run channel is internally provided with the door glass, and the front side and the rear side of the door glass are in extrusion sealing with the first lip edge and the second lip edge. This structural design is favorable to improving the sealing performance of door glass and A post guide slot body.
Preferably, an installation guide groove is arranged in the guide groove guide rail, the A-column guide groove body is arranged in the installation guide groove, a third lip edge and a fourth lip edge are arranged on the outer side of the A-column guide groove body, a protrusion is arranged in the installation guide groove, the inner wall of the installation guide groove is further provided with an inner shrinkage edge opposite to the protrusion, a shrinkage cavity is formed in the installation guide groove through the protrusion and the inner shrinkage edge, and the A-column guide groove body realizes extrusion sealing with the shrinkage cavity through the third lip edge and the fourth lip edge. The structure design of the necking cavity in the guide groove guide rail can enable the A column guide groove body and the guide groove guide rail to reduce the contact surface, realize line contact, improve the fastening degree of the A column guide groove body and improve the heat dissipation performance of the A column guide groove body.
Preferably, a fifth lip edge is arranged on the A column guide groove body on the back side of the second lip edge, a sealing groove is arranged between the fifth lip edge and the A column guide groove body, and the opening of the sealing groove faces to the side of the inward shrinking edge and is in extrusion sealing with foam in the second foam cavity. The foam body extending out of the second foam cavity is matched with the fifth lip edge and the foam of the outer decorative plate in an extruding way; when water enters the foam body or the foam body is extruded and expanded under stress, the sealing groove is reduced, the fifth lip edge and the inner shrinkage edge are in extrusion fit, the sealing performance of the A-column guide groove body structure can be further improved, namely, the integral water sealing and air sealing are improved, and the air leakage and water leakage of the A-column guide groove body are effectively avoided.
Preferably, the inner walls of the glass guide groove, the first lip edge and the second lip edge close to one side of the door glass are provided with fluff. This fine hair is the flocking cotton, and the flocking cotton mainly contacts with the glass surface, is favorable to reducing the frictional force of glass and A post guide slot body, can promote the leakproofness between its sealing strip and the glass simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the glass guide groove adopts multiple material composite extrusion and glass to form good sealing performance, adopts the mode of the angle of connecing of moulding plastics simultaneously, wraps with other spare parts at the upper end, thoroughly wraps whole door panel beating within the guide groove angle of connecing, cooperates the cooperation between A post guide groove body and the guide rail of guide groove, makes whole A post comprehensive seal, and the A post is inboard, adopts the cotton and backup pad of bubble, matches with outer decorative board, forms the secondary and seals, promotes sealed reliable performance.
Drawings
FIG. 1 is a schematic structural view of an A-pillar of a frameless vehicle door of the present invention;
FIG. 2 is a schematic structural view of the A-pillar channel structure of the present invention;
FIG. 3 is a cross-sectional view taken at "A-A" in FIG. 2;
FIG. 4 is a cross-sectional view taken at "B-B" in FIG. 2;
FIG. 5 is a cross-sectional view taken at "C-C" in FIG. 2;
in the figure: a column A100; a post channel structure 101; a vehicle door sheet metal 1; a vehicle door triangular metal plate 2; an outer decorative panel 3; a guide groove joint angle 4; 5, soaking cotton; a guide groove rail 6; a pillar channel body 7; a coating groove 8; a guide block 9; a fastening groove 10; a support plate 11; a first foam chamber 12; a second foam chamber 13; a glass run channel 14; a first lip 15; a second lip 16; a door glass 17; mounting the guide slots 18; a third lip 19; a fourth lip 20; a projection 21; an inner contraction edge 22; a mouth-contracting cavity 23; a rack connecting section 24; a fifth lip 25; a seal groove 26; a foam body 27; pile fibers 28.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: a frameless vehicle door A-pillar guide groove structure (see attached figures 1-5) comprises an A-pillar 100, wherein the A-pillar 100 is internally provided with the A-pillar guide groove structure 101, the A-pillar guide groove structure 101 comprises a vehicle door metal plate 1, one side, close to a rearview mirror, of the vehicle door metal plate 1 is provided with a vehicle door triangular metal plate 2 and an outer decorative plate 3, a guide groove joint angle is arranged on the vehicle door triangular metal plate 2, the outer decorative plate is connected with a guide groove joint angle 4 in an extrusion mode, and foam 5 is arranged between the outer decorative plate 3 and the vehicle door triangular metal plate 2; the car door metal plate 1 is provided with a guide groove guide rail 6, and an A column guide groove body 7 is arranged in the guide groove guide rail 6. The guide groove connecting angle 4 and the vehicle door metal plate 1 are extruded to form a coating groove 8, two guide blocks 9 are arranged on the guide groove connecting angle 4, the guide blocks 9 are long-strip-shaped, and the guide blocks 9 are in contact with the side face of the vehicle door metal plate 1. The guide groove corner 4 intersects with the outer decorative plate 3 to form a buckling groove 10, and the buckling groove 10 is pressed and sealed with the outer decorative plate 3. The outer decorative plate 3 is equipped with two backup pads 11 near door panel beating 1 one side, and one of them backup pad 11 forms first bubble cotton chamber 12 with the combination of 1 outer decorative plate 3 of door panel beating, and another backup pad 11 forms second bubble cotton chamber 13 with the combination of door panel beating 1, outer decorative plate 3 and guide slot guide rail 6, all fills in first bubble cotton chamber 12 and the second bubble cotton chamber 13 and has steep cotton 5. The number of the supporting plates 11 is two, two first foam cavities 12 and two second foam cavities 13 can be formed through the structural combination, a double foam sealing structure can be formed after the foam 5 is filled, and wind noise in the driving process of the automobile can be effectively reduced through the structure; and double foam sealing can be realized, and the integral sealing performance of the A column is improved. A glass guide groove 14 is arranged on the A-column guide groove body 7, a first lip edge 15 and a second lip edge 16 are arranged on the glass guide groove 14, door glass 17 is arranged in the glass guide groove 14, and the front side and the rear side of the door glass 17 are in extrusion sealing with the first lip edge 15 and the second lip edge 16. An installation guide groove 18 is arranged in the guide groove guide rail 6, the A-column guide groove body 7 is arranged in the installation guide groove 18, a third lip edge 19 and a fourth lip edge 20 are arranged on the outer side of the A-column guide groove body 7, a bulge 21 is arranged in the installation guide groove 18, an inner shrinkage edge 22 opposite to the bulge 21 is further arranged on the inner wall of the installation guide groove 18, a shrinkage cavity 23 is formed in the installation guide groove through the bulge 21 and the inner shrinkage edge 22, and the A-column guide groove body 7 is extruded and sealed with the shrinkage cavity through the third lip edge 19 and the fourth lip edge 20; a rack connecting section 24 is provided on the A-pillar channel body 7 on the back side of the first lip 15, and the rack connecting section 24 is fixedly connected to the channel guide 6. This contract mouth 23 structural design in the guide slot guide rail 6 can make A post guide slot body 7 and guide slot guide rail 6 reduce the contact surface, realizes line contact, has improved A post guide slot body 7 fastening degree, and has improved A post guide slot body 7's heat dispersion. A fifth lip 25 is arranged on the A-column guide groove body 7 at the back side of the second lip 16, a sealing groove 26 is arranged between the fifth lip 25 and the A-column guide groove body 7, and the opening of the sealing groove 26 faces to the inner contraction side and is sealed with the foam 5 in the second foam cavity 13 in an extrusion manner. The foam body 27 extending out of the second foam cavity 13 is matched with the fifth lip edge and the outer decorative plate 3 in an extruding way; when water enters the foam 5 body or the foam expands due to extrusion under stress, the sealing groove 26 is reduced, the fifth lip edge 25 and the inner shrinkage edge 22 are in extrusion fit, the sealing performance of the structure of the A-column guide groove body 7 can be further improved, namely, the integral water sealing and air sealing are improved, and the air leakage and water leakage of the A-column guide groove body 7 are effectively avoided. The inner walls of the glass guide groove, the first lip edge and the second lip edge which are close to one side of the door glass are provided with fluff 28. The pile 28 is flocked cotton.
Referring to fig. 4-5, the pillar a guide groove body 7 is made of EPDM rubber shore 60 degrees, EPDM rubber shore 70 degrees and local flocking treatment, the flocked cotton mainly contacts with the surface of the glass, which is beneficial to reducing the friction force between the glass and the EPDM rubber, and meanwhile, the sealing performance between the sealing strip and the glass can be improved, meanwhile, the lip edge contacting with the glass has good resilience by using EPDM60 degree rubber, and low compression load, so that the glass can smoothly slide in the sealing strip, and the sealing performance is good; the EPDM 70-degree rubber is adopted to be matched with the car door guide rail, so that the clamping force is good, and the rigidity of the whole guide groove is ensured. The guide groove connecting angle 4 coats the whole vehicle door metal plate 1, a process hole is reserved for linear speed locally, and the sealing performance of the whole A column is guaranteed.
The glass guide groove adopts multiple material composite extrusion and glass to form good sealing performance, adopts the mode of angle of connecing of moulding plastics simultaneously, wraps with other spare parts at the upper end, thoroughly wraps whole door panel beating 1 in the guide groove angle of connecing 4, cooperates the cooperation between A post guide groove body 7 and the guide slot guide rail 6, makes whole A post comprehensive seal, and the A post is inboard, adopts bubble cotton 5 and backup pad 11, matches with outer decorative board, forms the second and reseals, promotes sealed reliable performance.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588963.2A CN115071385B (en) | 2022-05-26 | 2022-05-26 | A frameless car door A-pillar guide groove structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588963.2A CN115071385B (en) | 2022-05-26 | 2022-05-26 | A frameless car door A-pillar guide groove structure |
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| CN115071385A true CN115071385A (en) | 2022-09-20 |
| CN115071385B CN115071385B (en) | 2025-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210588963.2A Active CN115071385B (en) | 2022-05-26 | 2022-05-26 | A frameless car door A-pillar guide groove structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118810378A (en) * | 2024-08-30 | 2024-10-22 | 奇瑞汽车股份有限公司 | A-pillar sealing noise reduction component and automobile thereof |
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| CN215705589U (en) * | 2021-09-29 | 2022-02-01 | 诺博橡胶制品有限公司 | Glass guide groove of frameless vehicle door |
| CN114013258A (en) * | 2021-12-16 | 2022-02-08 | 宁波信泰机械有限公司 | A door glass slider, a door glass assembly, and a zero-step door system |
| CN215850695U (en) * | 2021-08-24 | 2022-02-18 | 浙江零跑科技股份有限公司 | Frameless door A post seal structure |
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2022
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1864842A1 (en) * | 2006-06-06 | 2007-12-12 | Toyoda Gosei Co., Ltd. | Glass run |
| JP2010036590A (en) * | 2008-07-31 | 2010-02-18 | Toyoda Gosei Co Ltd | Seal structure of frameless door |
| CN110525182A (en) * | 2018-05-24 | 2019-12-03 | 上汽通用五菱汽车股份有限公司 | A kind of rear door C column water repellent component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118810378A (en) * | 2024-08-30 | 2024-10-22 | 奇瑞汽车股份有限公司 | A-pillar sealing noise reduction component and automobile thereof |
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| CN115071385B (en) | 2025-11-04 |
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