WO2023160292A1 - Sealing structure for rear side door inner panel - Google Patents

Sealing structure for rear side door inner panel Download PDF

Info

Publication number
WO2023160292A1
WO2023160292A1 PCT/CN2023/071568 CN2023071568W WO2023160292A1 WO 2023160292 A1 WO2023160292 A1 WO 2023160292A1 CN 2023071568 W CN2023071568 W CN 2023071568W WO 2023160292 A1 WO2023160292 A1 WO 2023160292A1
Authority
WO
WIPO (PCT)
Prior art keywords
rear side
side door
inner panel
sealing
sealing strip
Prior art date
Application number
PCT/CN2023/071568
Other languages
French (fr)
Chinese (zh)
Inventor
梁向裔
周福荣
陈文华
Original Assignee
上汽通用五菱汽车股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上汽通用五菱汽车股份有限公司 filed Critical 上汽通用五菱汽车股份有限公司
Publication of WO2023160292A1 publication Critical patent/WO2023160292A1/en

Links

Images

Classifications

    • 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
    • B60J10/80—Sealing arrangements specially adapted for opening panels, e.g. doors
    • B60J10/86—Sealing arrangements specially adapted for opening panels, e.g. doors arranged on the opening panel
    • 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

Definitions

  • the guide groove of the sealing strip includes a sealing bottom surface, and an overlapping joint surface that is connected to one side of the sealing bottom surface and matches the positioning convex surface of the profile is arranged on the overlapping joint surface.
  • a further technical solution of the present application is: the sealing bottom surface, the overlapping profile, the upper clamping surface and the lower clamping surface are integrally formed.
  • the sealing structure of the inner panel of the rear side door does not need to open positioning holes on the guide groove of the sealing strip of the rear side door and the inner panel, which improves the sealing performance and reduces the risk of water leakage of the sealing system of the rear side door;
  • the forming precision is high, the positioning precision of the sealing strip guide groove is high, and it is not easy to deviate during welding; and the number of parts of the rear side door assembly system is optimized and the cost is reduced.
  • Fig. 2 is a cross-sectional view of a sealing strip guide groove of a rear side door inner panel sealing structure provided by an embodiment of the present application.
  • FIG 1-2 shows a rear side door inner panel sealing structure provided by the present application
  • the rear side door inner panel sealing structure includes a sealing strip guide groove 2 arranged on the rear side door inner panel 1, and several The profile positioning protrusion 3 on the inner panel 1 of the rear side door and matching with the profile of the sealing strip guide groove 2 for overlapping the sealing strip guide groove 2, and the sealing strip arranged on the sealing strip guide groove 2 (not shown in the figure); the profile positioning protrusion 3 is integrally formed with the rear side door inner panel 1 .
  • the overlapping position of the inner panel 1 of the rear side door and the guide groove 2 of the sealing strip increases the profile positioning convex 3, cancels the positioning hole between the inner panel 1 of the rear side door and the guide groove 2 of the sealing strip, and adopts the positioning of the profile to make the inner panel 1 of the rear side door more precise in forming , and the profile positioning convex 3 can improve the positioning accuracy, so that it is not easy to deviate during welding, and at the same time, it can cancel the blockage used to seal the inner panel 1 of the rear side door, reduce parts, optimize the structure of the rear side door system, and realize sealing under the condition of meeting the positioning requirements Increased performance, reduced weight.
  • the sealing strip guide groove 2 includes a sealing bottom surface 4, and an overlapping profile 5 that is connected to one side of the sealing bottom surface 4 and matches the profile of the profile positioning protrusion 3 is arranged on one side of the overlapping profile 5 And move closer to the overlapping surface 5 side for clamping the upper clamping surface 6 on one side of the sealing strip, and set on the other side of the sealing bottom surface 4 and move closer to the sealing bottom surface 4 side for Clamp the lower clamping surface 7 on the other side of the sealing strip; the sealing bottom surface 4 , the overlapping profile 5 , the upper clamping surface 6 and the lower clamping surface 7 are integrally formed.
  • the inner panel 1 of the rear side door realizes surface matching with the sealing strip guide groove 2 through the overlapping profile 5 and the sealing bottom surface 4 , so that the inner panel 1 of the rear side door and the sealing strip guide groove 2 realize matching positioning.
  • This kind of sealing structure of the inner panel of the rear side door does not need to open positioning holes on the guide groove of the sealing strip of the rear side door and the inner panel, which improves the sealing performance and reduces the risk of water leakage of the sealing system of the rear side door;
  • the positioning accuracy of the groove is high, and it is not easy to deviate during welding; and the number of parts of the rear side door assembly system is optimized and the cost is reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

A sealing structure for a rear side door inner panel (1). The sealing structure for a rear side door inner panel (1) comprises a sealing strip guide groove (2) arranged on the rear side door inner panel (1), a plurality of profile positioning protrusions (3) that are arranged on the rear side door inner panel (1), match the profile of the sealing strip guide groove (2) and are used for being in lap joint with the sealing strip guide groove (2), and a sealing strip arranged in the sealing strip guide groove (2). The problem that the formation of positioning holes in a sealing strip guide groove and an inner panel of a rear side door reduces the sealing tightness, resulting in an increase of the risk of water leakage of a rear side door sealing system is solved; and the technical problems that the sealing strip guide groove is poor in positioning effect and easy to deviate during welding, resulting in an installation deviation of a vehicle door sealing strip, and the positioning hole in the rear side door inner panel needs to be plugged and blocked, resulting in an increase of cost are solved.

Description

一种后侧门内板密封结构A rear side door inner panel sealing structure
本申请要求于2022年02月25日提交中国专利局，申请号为202220396482.7、申请名称为“一种后侧门内板密封结构”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application with the application number 202220396482.7 and the application name "A Sealing Structure for the Inner Panel of the Rear Side Door" submitted to the China Patent Office on February 25, 2022, the entire contents of which are incorporated in this application by reference middle.
技术领域technical field
本申请涉及属于后侧门内板密封领域，尤其涉及一种后侧门内板密封结构。The present application relates to the field of rear side door inner panel sealing, in particular to a rear side door inner panel sealing structure.
背景技术Background technique
后侧门内板作为后侧门总成的重要零件，在后侧门设计及后侧门结构开发中广为应用，现有后侧门密封条导槽在后侧门内板上用定位孔定位并焊接，此结构存在缺陷主要是：此种结构需要在后侧门密封条导槽上和内板上开定位孔，减弱了密封性能，从而增加了后侧门密封系统漏水的风险；密封条导槽定位效果差，焊接时易偏离，导致车门密封条安装有偏差；后侧门内板上的定位孔需要堵塞封堵，增加成本。As an important part of the rear side door assembly, the inner panel of the rear side door is widely used in the design of the rear side door and the development of the rear side door structure. The existing rear side door sealing strip guide groove is positioned and welded with positioning holes on the inner panel of the rear side door. This structure The main defects are: this structure needs to open positioning holes on the rear side door sealing strip guide groove and the inner panel, which weakens the sealing performance, thereby increasing the risk of water leakage in the rear side door sealing system; the sealing strip guide groove has poor positioning effect, and welding It is easy to deviate from time to time, resulting in a deviation in the installation of the door seal; the positioning hole on the inner panel of the rear side door needs to be blocked, which increases the cost.
申请内容application content
本申请的目的在于提供一种后侧门内板密封结构，旨在解决现有技术中由于后侧门密封条导槽上和内板上开定位孔，减弱了密封性能，从而增加了后侧门密封系统漏水的风险；密封条导槽定位效果差，焊接时易偏离，导致车门密封条安装有偏差；后侧门内板上的定位孔需要堵塞封堵，增加成本的技术问题。The purpose of this application is to provide a sealing structure for the inner panel of the rear side door, which aims to solve the problem of weakened sealing performance due to the opening of positioning holes on the guide groove of the sealing strip of the rear side door and the inner panel in the prior art, thereby increasing the sealing system of the rear side door. The risk of water leakage; poor positioning of the sealing strip guide groove, easy to deviate during welding, resulting in deviations in the installation of the door sealing strip; the positioning holes on the inner panel of the rear side door need to be blocked, which increases the technical problem of cost.
本申请是这样实现的，一种后侧门内板密封结构，所述后侧门内板密封结构包括设置在后侧门内板上的密封条导槽，及若干设置在所述后侧门内板上且与所述密封条导槽型面匹配用于搭接所述密封条导槽的型面定位凸，及设置在所述密封条导槽上的密封条。This application is achieved in this way, a rear side door inner panel sealing structure, the rear side door inner panel sealing structure includes a sealing strip guide groove arranged on the rear side door inner panel, and several sealing strips arranged on the rear side door inner panel and The profile positioning protrusion matched with the profile of the sealing strip guide groove for overlapping the sealing strip guide groove, and the sealing strip arranged on the sealing strip guide groove.
本申请的进一步技术方案是：所述型面定位凸与所述后侧门内板一体成型。A further technical solution of the present application is: the profile positioning protrusion is integrally formed with the inner panel of the rear side door.
本申请的进一步技术方案是：所述密封条导槽包括密封底面，连接所述密封底面一侧且与所述型面定位凸型面匹配的搭接型面，设置在所述搭接型面一侧且向所述搭接型面侧靠拢用于夹持所述密封条一侧的上夹持面，及设置在所述密封底面另一侧且向所述密封底面侧靠拢用于夹持所述密封条另一侧的下夹持面。A further technical solution of the present application is: the guide groove of the sealing strip includes a sealing bottom surface, and an overlapping joint surface that is connected to one side of the sealing bottom surface and matches the positioning convex surface of the profile is arranged on the overlapping joint surface. One side and close to the side of the overlapping profile for clamping the upper clamping surface on one side of the sealing strip, and the other side of the sealing bottom surface and close to the side of the sealing bottom for clamping The lower clamping surface on the other side of the sealing strip.
本申请的进一步技术方案是：所述密封底面、所述搭接型面、所述上夹持面及所述下夹持面一体成型。A further technical solution of the present application is: the sealing bottom surface, the overlapping profile, the upper clamping surface and the lower clamping surface are integrally formed.
本申请的有益效果是：此种后侧门内板密封结构无需要在后侧门密封条导槽上和内板上开定位孔，提升了密封性能，减少了后侧门密封系统漏水的风险；内板成型精度高，密封条导槽定位精度高，焊接时不易偏离；并使后侧门总成系统零件数量优化及成本减少。本申请实施例的其他特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本申请实施例而了解。本申请实施例的目的和其他优点在说明书以及附图所特别指出的结构来实现和获得。The beneficial effects of the present application are: the sealing structure of the inner panel of the rear side door does not need to open positioning holes on the guide groove of the sealing strip of the rear side door and the inner panel, which improves the sealing performance and reduces the risk of water leakage of the sealing system of the rear side door; The forming precision is high, the positioning precision of the sealing strip guide groove is high, and it is not easy to deviate during welding; and the number of parts of the rear side door assembly system is optimized and the cost is reduced. Other features and advantages of the embodiments of the present application will be set forth in the following description, and partly become apparent from the description, or can be understood by implementing the embodiments of the present application. The objectives and other advantages of the embodiments of the present application are realized and obtained by the structures particularly pointed out in the specification and drawings.
附图说明Description of drawings
图1是本申请实施例提供的一种后侧门内板密封结构的结构爆炸图；Fig. 1 is a structural exploded view of a rear side door inner panel sealing structure provided by an embodiment of the present application;
图2是本申请实施例提供的一种后侧门内板密封结构的密封条导槽截面图。Fig. 2 is a cross-sectional view of a sealing strip guide groove of a rear side door inner panel sealing structure provided by an embodiment of the present application.
其中，附图标记说明如下：Wherein, the reference signs are explained as follows:
1-后侧门内板；2-密封条导槽；3-型面定位凸；4-密封底面；5-搭接型面；6-上夹持面；7-下夹持面。1-Inner panel of the rear side door; 2-Sealing strip guide groove; 3-Protruding surface positioning; 4-Sealing bottom surface; 5-Lap joint surface; 6-Upper clamping surface;
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.
具体实施方式Detailed ways
为了更好的理解本申请的技术方案，下面结合附图对本申请实施例进行详细描述。In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.
图1-2示出了本申请提供的一种后侧门内板密封结构，所述后侧门内板密封结构包括设置在后侧门内板1上的密封条导槽2，及若干设置在所述后侧门内板1上且与所述密封条导槽2型面匹配用于搭接所述密封条导槽2的型面定位凸3，及设置在所述密封条导槽2上的密封条(图中未示出)；所述型面定位凸3与所述后侧门内板1一体成型。后侧门内板1与密封条导槽2搭接位置增加型面定位凸3，取消后侧门内板1与密封条导槽2的定位孔，采用型面定位使后侧门内板1成型精度高，且型面定位凸3可以提高定位精度，使得焊接时不易偏离，同时可以取消用于封堵后侧门内板1的堵塞，减少零件，优化后侧门系统结构，在满足定位要求情况下实现密封性能的提升，减少重量。Figure 1-2 shows a rear side door inner panel sealing structure provided by the present application, the rear side door inner panel sealing structure includes a sealing strip guide groove 2 arranged on the rear side door inner panel 1, and several The profile positioning protrusion 3 on the inner panel 1 of the rear side door and matching with the profile of the sealing strip guide groove 2 for overlapping the sealing strip guide groove 2, and the sealing strip arranged on the sealing strip guide groove 2 (not shown in the figure); the profile positioning protrusion 3 is integrally formed with the rear side door inner panel 1 . The overlapping position of the inner panel 1 of the rear side door and the guide groove 2 of the sealing strip increases the profile positioning convex 3, cancels the positioning hole between the inner panel 1 of the rear side door and the guide groove 2 of the sealing strip, and adopts the positioning of the profile to make the inner panel 1 of the rear side door more precise in forming , and the profile positioning convex 3 can improve the positioning accuracy, so that it is not easy to deviate during welding, and at the same time, it can cancel the blockage used to seal the inner panel 1 of the rear side door, reduce parts, optimize the structure of the rear side door system, and realize sealing under the condition of meeting the positioning requirements Increased performance, reduced weight.
所述密封条导槽2包括密封底面4，连接所述密封底面4一侧且与所述型面定位凸3型面匹配的搭接型面5，设置在所述搭接型面5一侧且向所述搭接型面5侧靠拢用于夹持所述密封条一侧的上夹持面6，及设置在所述密封底面4另一侧且向所述密封底面4侧靠拢用于夹持所述密封条另一侧的下夹持面7；所述密封底面4、所述搭接型面5、所述上夹持面6及所述下夹持面7一体成型。后侧门内板1通过搭接型面5及密封底面4与密封条导槽2实现型面匹配，进而使后侧门内板1与密封条导槽2实现匹配定位。The sealing strip guide groove 2 includes a sealing bottom surface 4, and an overlapping profile 5 that is connected to one side of the sealing bottom surface 4 and matches the profile of the profile positioning protrusion 3 is arranged on one side of the overlapping profile 5 And move closer to the overlapping surface 5 side for clamping the upper clamping surface 6 on one side of the sealing strip, and set on the other side of the sealing bottom surface 4 and move closer to the sealing bottom surface 4 side for Clamp the lower clamping surface 7 on the other side of the sealing strip; the sealing bottom surface 4 , the overlapping profile 5 , the upper clamping surface 6 and the lower clamping surface 7 are integrally formed. The inner panel 1 of the rear side door realizes surface matching with the sealing strip guide groove 2 through the overlapping profile 5 and the sealing bottom surface 4 , so that the inner panel 1 of the rear side door and the sealing strip guide groove 2 realize matching positioning.
此种后侧门内板密封结构无需要在后侧门密封条导槽上和内板上开定位孔，提升了密封性能，减少了后侧门密封系统漏水的风险；内板成型精度高，密封条导槽定位精度高，焊接时不易偏离；并使后侧门总成系统零件数量优化及成本减少。This kind of sealing structure of the inner panel of the rear side door does not need to open positioning holes on the guide groove of the sealing strip of the rear side door and the inner panel, which improves the sealing performance and reduces the risk of water leakage of the sealing system of the rear side door; The positioning accuracy of the groove is high, and it is not easy to deviate during welding; and the number of parts of the rear side door assembly system is optimized and the cost is reduced.
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。The above is only a preferred embodiment of the application, and is not intended to limit the application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the application should be included in the application. within the scope of protection.

Claims (4)

  1. 一种后侧门内板密封结构，其特征在于：所述后侧门内板密封结构包括设置在后侧门内板上的密封条导槽，及若干设置在所述后侧门内板上且与所述密封条导槽型面匹配用于搭接所述密封条导槽的型面定位凸，及设置在所述密封条导槽上的密封条。A sealing structure for the inner panel of the rear side door, characterized in that the sealing structure for the inner panel of the rear side door includes a sealing strip guide groove arranged on the inner panel of the rear side door, and several The profile of the sealing strip guide groove is matched with the profile positioning protrusion for overlapping the sealing strip guide groove, and the sealing strip is arranged on the sealing strip guide groove.
  2. 根据权利要求1所述的后侧门内板密封结构，其特征在于，所述型面定位凸与所述后侧门内板一体成型。The sealing structure of the inner panel of the rear side door according to claim 1, wherein the profile positioning protrusion is formed integrally with the inner panel of the rear side door.
  3. 根据权利要求2所述的后侧门内板密封结构，其特征在于，所述密封条导槽包括密封底面，连接所述密封底面一侧且与所述型面定位凸型面匹配的搭接型面，设置在所述搭接型面一侧且向所述搭接型面侧靠拢用于夹持所述密封条一侧的上夹持面，及设置在所述密封底面另一侧且向所述密封底面侧靠拢用于夹持所述密封条另一侧的下夹持面。The sealing structure of the inner panel of the rear side door according to claim 2, wherein the sealing strip guide groove includes a sealing bottom surface, an overlapping joint type connecting one side of the sealing bottom surface and matching with the profile positioning convex surface. The surface is set on one side of the overlapping surface and moves closer to the side of the overlapping surface for clamping the upper clamping surface on one side of the sealing strip, and is arranged on the other side of the sealing bottom surface and faces The side of the sealing bottom surface is close to the lower clamping surface for clamping the other side of the sealing strip.
  4. 根据权利要求3所述的后侧门内板密封结构，其特征在于，所述密封底面、所述搭接型面、所述上夹持面及所述下夹持面一体成型。The sealing structure of the inner panel of the rear side door according to claim 3, wherein the sealing bottom surface, the overlapping joint surface, the upper clamping surface and the lower clamping surface are integrally formed.
PCT/CN2023/071568 2022-02-25 2023-01-10 Sealing structure for rear side door inner panel WO2023160292A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220396482.7 2022-02-25
CN202220396482.7U CN217374117U (en) 2022-02-25 2022-02-25 Rear side door inner plate seal structure

Publications (1)

Publication Number Publication Date
WO2023160292A1 true WO2023160292A1 (en) 2023-08-31

Family

ID=83099501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/071568 WO2023160292A1 (en) 2022-02-25 2023-01-10 Sealing structure for rear side door inner panel

Country Status (2)

Country Link
CN (1) CN217374117U (en)
WO (1) WO2023160292A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217374117U (en) * 2022-02-25 2022-09-06 上汽通用五菱汽车股份有限公司 Rear side door inner plate seal structure

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101544174A (en) * 2008-03-28 2009-09-30 丰田合成株式会社 Glass run and sealing structure for door vehicle
EP2226210A1 (en) * 2009-03-02 2010-09-08 Seat, S.A. Weatherstrip bar for automobile doors
CN201891338U (en) * 2010-12-15 2011-07-06 北汽福田汽车股份有限公司 Glass guide rail
CN208118899U (en) * 2018-03-12 2018-11-20 上汽通用五菱汽车股份有限公司 Vehicle window and vehicle
DE102017222586A1 (en) * 2017-12-13 2019-06-13 Bayerische Motoren Werke Aktiengesellschaft Window guide bar in a vehicle door
CN211869120U (en) * 2020-03-27 2020-11-06 上汽通用汽车有限公司 Automobile door
CN214189248U (en) * 2020-11-12 2021-09-14 中国第一汽车股份有限公司 Mounting structure of door glass guide slot
CN217374117U (en) * 2022-02-25 2022-09-06 上汽通用五菱汽车股份有限公司 Rear side door inner plate seal structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101544174A (en) * 2008-03-28 2009-09-30 丰田合成株式会社 Glass run and sealing structure for door vehicle
EP2226210A1 (en) * 2009-03-02 2010-09-08 Seat, S.A. Weatherstrip bar for automobile doors
CN201891338U (en) * 2010-12-15 2011-07-06 北汽福田汽车股份有限公司 Glass guide rail
DE102017222586A1 (en) * 2017-12-13 2019-06-13 Bayerische Motoren Werke Aktiengesellschaft Window guide bar in a vehicle door
CN208118899U (en) * 2018-03-12 2018-11-20 上汽通用五菱汽车股份有限公司 Vehicle window and vehicle
CN211869120U (en) * 2020-03-27 2020-11-06 上汽通用汽车有限公司 Automobile door
CN214189248U (en) * 2020-11-12 2021-09-14 中国第一汽车股份有限公司 Mounting structure of door glass guide slot
CN217374117U (en) * 2022-02-25 2022-09-06 上汽通用五菱汽车股份有限公司 Rear side door inner plate seal structure

Also Published As

Publication number Publication date
CN217374117U (en) 2022-09-06

Similar Documents

Publication Publication Date Title
WO2023160292A1 (en) Sealing structure for rear side door inner panel
CN208311717U (en) Multi-sealed flange assembly
WO2021143091A1 (en) Fixing ball valve
CN207762394U (en) Medium pipeline sealing structure
CN110459712A (en) Battery case and its sealing structure
US20240026986A1 (en) Flow Regulating Valve
CN208281536U (en) A kind of welding fabrication wedge-type single shutter gate valve
CN219119956U (en) High-sealing leakage-proof concrete discharge valve sealing ring
CN213711881U (en) Zero leakage poppet valve of green low energy consumption
CN108413151A (en) Multi-sealed flange assembly
CN216895993U (en) Air conditioner stop valve convenient to dismouting
CN219198451U (en) Flange plate
CN218267272U (en) Stepped zero-leakage corrosion-resistant fluorine-lined butterfly valve
JP3091016B2 (en) Packing for connecting horizontal branch pipe in drainage fittings
CN213899515U (en) Improve anticorrosion pipe fitting of leakproofness
CN216307011U (en) Natural gas line interface sealing device
CN215445090U (en) High-sealing-degree groove butterfly valve
CN220016238U (en) Angle valve
CN217482234U (en) Pipeline connecting flange plate
CN214500079U (en) Four eccentric butterfly valve sealing structure
CN218625617U (en) Valve under-pressure plugging device
CN218719002U (en) Pneumatic three-way flange ball valve capable of changing medium flow direction
CN217683802U (en) Sealing connection structure of integrated flexible pipeline of building engineering
CN211715977U (en) Groove type high-sealing pipeline connecting clamp
CN202468047U (en) Cooling structure for nose bridge area of cylinder cover of two-valve diesel engine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23758917

Country of ref document: EP

Kind code of ref document: A1