Sealing strip and vehicle

Abstract

The utility model provides a sealing strip and a vehicle, relates to the technical field of vehicles, and aims to solve the problem that the inner wall of a bubble pipe of an existing sealing strip is adhered to cause abnormal sound easily. The sealing strip comprises a clamping part, a buffering part and an anti-sticking rib. Wherein the clamping part is provided with a clamping groove, and the inner wall of the clamping groove is provided with clamping teeth. The buffering part is connected with the clamping part, and a cavity is formed in the buffering part. And the anti-sticking rib is arranged in the cavity and is connected with the inner wall of the buffer part. When the buffering part of the sealing strip is extruded and the inner walls are in contact with each other, the anti-sticking ribs can be in contact with the inner wall of the cavity on the opposite side of the anti-sticking ribs, so that friction is reduced, and abnormal sound generated when the buffering part is in contact with the inner wall of the cavity is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a sealing strip and a vehicle. BACKGROUND

[0002] With the improvement of people's living standards and the progress of science and technology, automobiles have gradually become the main means of transportation for people, and the types of automobiles have gradually become rich. Among them, the door frame sealing strip is an indispensable important part for effectively sealing the function between the door and the vehicle body. On the basis of meeting the basic sealing function, the quality of the sound when the user closes or opens the door is also increasingly improved.

[0003] In order to solve the problem of abnormal sound of the door opening and closing in the prior art, a kind of anti-abnormal sound sealing strip for door frame is disclosed, the bubble tube of the sealing strip is connected to the upper end of the clamping piece through the expansion strip, the first sliding block is fixed to the lower surface of the bubble tube, and the second sliding block is fixed to the upper surface of the clamping piece. The lower surface of the first sliding block is a smooth curved surface, and the upper surface of the second sliding block is a smooth plane.

[0004] However, the first sliding block and the second sliding block are arranged in the sealing strip bubble tube, which increases the processing difficulty and processing cost of the sealing strip. Content of the utility model

[0005] The purpose of the present application is to provide a kind of sealing strip and vehicle, for solving the problem that the inner wall of the sealing strip sticks due to the shaking of the vehicle.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0007] On the one hand, the present application provides a kind of sealing strip, which comprises a clamping part, a buffer part and an anti-sticking rib. The clamping part is provided with a clamping groove, and the inner wall of the clamping groove is provided with a clamping tooth. The buffer part is connected with the clamping part, and the buffer part is provided with a cavity. The anti-sticking rib is arranged in the cavity of the buffer part, and the anti-sticking rib is connected with the inner wall of the buffer part.

[0008] According to the above technical means, the sealing strip provided by the present application is caused by the shaking of the vehicle. When the inner wall of the cavity of the buffer part contacts each other, the anti-sticking rib arranged in the cavity will contact with the inner wall of the cavity. When the anti-sticking rib contacts with other parts of the inner wall of the cavity, the contact area is small, the friction is also reduced, and the abnormal sound is reduced. And when the buffer part is no longer extruded, the anti-sticking rib is separated from the inner wall of the cavity, because the contact area between them is small, the friction is reduced, and the abnormal sound is also reduced.

[0009] In an embodiment, the buffer portion comprises a first sub-buffer portion and a second sub-buffer portion. The first sub-buffer portion is provided with a first cavity, and the second sub-buffer portion is provided with a second cavity. The second sub-buffer portion is stacked with the first sub-buffer portion, one side of the second sub-buffer portion is connected with the clamping portion, and the opposite side of the second sub-buffer portion is connected with the first sub-buffer portion.

[0010] The second cavity is provided with an anti-sticking rib.

[0011] According to the above technical means, when the second sub-buffer portion is deformed by extrusion and the inner walls of the second cavity contact each other, the anti-sticking rib arranged in the second cavity can reduce the friction between the inner walls of the second cavity, thereby reducing the abnormal noise generated by the second cavity.

[0012] In an embodiment, the cross-sectional area of the first sub-buffer portion is smaller than the cross-sectional area of the second sub-buffer portion.

[0013] According to the above technical means, by setting the cross-sectional area of the first sub-buffer portion to be smaller than the cross-sectional area of the second sub-buffer portion, when the first sub-buffer portion is deformed by extrusion, the deformation amount of the first sub-buffer portion is relatively small, and the effective reaction force provided by the first sub-buffer portion is also relatively small. The deformation amount of the second sub-buffer portion is relatively large, and the effective reaction force provided by the second sub-buffer portion is also relatively large. In this way, on the one hand, the reaction force provided by the buffer portion when extruded can gradually increase from small to large, making the change more uniform and smooth, and avoiding sudden changes, thereby improving the user experience when closing the door. On the other hand, the design of stacking from small to large is also more reasonable and beautiful in appearance.

[0014] In an embodiment, the second sub-buffer portion is provided with an exhaust port, and the exhaust port is in communication with the second cavity.

[0015] According to the above technical means, it can be avoided that the reaction force provided by the second sub-buffer portion is too large when closing the door, resulting in the situation that the door is difficult to close or even cannot be closed. For example, in a high-temperature environment, as the ambient temperature rises, the volume of air in the second sub-buffer portion also expands. If the second sub-buffer portion is a completely closed cavity, the volume of gas in the second sub-buffer portion expands, the pressure rises, and the reaction force provided by the second sub-buffer portion when extruded also increases. This results in the need for more force to close the door, affecting the user experience when closing the door. Or, if the gap between the door and the vehicle body is too small, the deformation of the sealing strip increases, and if the second sub-buffer portion is a closed cavity, as the deformation increases, the reaction force generated by the second sub-buffer portion also increases, which also affects the user experience.

[0016] In an embodiment, the length of the anti-sticking rib is L, and L is greater than or equal to 1 mm.

[0017] According to the above technical means, when the inner walls of the cavity contact each other, the anti-sticking rib has sufficient length to ensure that the inner walls and the anti-sticking rib contact the inner wall surface of the cavity.

[0018] In a possible implementation, the number of anti-sticking ribs is multiple, and the multiple anti-sticking ribs are arranged at intervals.

[0019] According to the above technical means, the friction when the inner walls of the cavity contact each other can be more effectively reduced.

[0020] In a possible implementation, the clamping teeth include first clamping teeth and second clamping teeth. The first clamping teeth are arranged in the clamping groove and connected to the inner wall of the clamping portion. The second clamping teeth are arranged in the clamping groove and opposite to the first clamping teeth, and the second clamping teeth are connected to the inner wall of the clamping portion. The length of the first clamping teeth is greater than the length of the second clamping teeth.

[0021] According to the above technical means, the sealing strip can be clamped in the clamping groove of the clamping portion, so that the sealing strip can be installed and fixed between the vehicle body and the gap of the door. At the same time, the first clamping teeth and the second clamping teeth arranged on the inner wall of the clamping groove can generate friction with the vehicle body, so as to prevent the sealing strip from falling off the vehicle body. The length of the first clamping teeth is greater than the length of the second clamping teeth, the first clamping teeth can be extruded by the vehicle body to deform and generate a counterforce to increase the friction between the first clamping teeth and the vehicle body, thereby further improving the stability of the sealing strip when the sealing strip is installed on the vehicle body and preventing the sealing strip from separating from the vehicle body.

[0022] In a possible implementation, the clamping portion, the buffer portion, and the anti-sticking rib are integrally made of an elastic rubber material.

[0023] According to the above technical means, the elastic rubber material has good elasticity and can play a good buffering role. In addition, the vehicle body is usually made of metal sheet metal parts, and the rubber material usually has large friction with the metal sheet metal parts. At the same time, the integral molding process is simple, and the connection between the parts is reliable.

[0024] On the other hand, the embodiment of the present application provides a vehicle including the sealing strip in the above aspect. The vehicle also includes a door and window frame sheet metal part, a window frame trim, a side wall reinforcement, and a side wall outer plate. The window frame trim is arranged on the periphery of the door and window frame sheet metal part. The side wall outer plate is arranged on the periphery of the side wall reinforcement, and part of the side wall outer plate is located in the clamping groove of the clamping portion. The side wall outer plate and the window frame trim are arranged at intervals to form a sealing gap, and the sealing strip is arranged in the sealing gap and used to seal the sealing gap. The size of the sealing gap is A, and 10.5 mm≤A≤13.5 mm is satisfied.

[0025] According to the above technical means, the sealing interval A allows the door and window frame sheet metal, the window frame decoration piece, the side wall reinforcement and the side wall outer plate to be normally assembled within the allowable error range during assembly, so that the mutual interference and the assembly failure are avoided. The manufacturing tolerance and the sealing system reaction force are met, the space layout of the sealing compression structure is met, the sealing function of waterproofing and dustproofing is met, and the appearance aesthetics is met.

[0026] In a possible implementation, the buffer portion is a first sealing surface close to the window frame decoration piece, and the window frame decoration piece is a second sealing surface close to the buffer portion. During the sealing process, the first sealing surface and the second sealing surface are close to each other, from the contact between the first sealing surface and the second sealing surface to the relative static state of the first sealing surface and the second sealing surface at the end of the sealing process, the buffer portion is compressed, and the deformation length of the buffer portion is the sealing interference B, which satisfies 2.5 mm≤B≤5.5 mm.

[0027] According to the above technical means, the reaction force of the interference sealing amount of the buffer portion can be reasonable, within the above range, to meet the manufacturing tolerance and the sealing system reaction force requirement, and to provide a good vehicle door closing experience for the user. At the same time, the basic function of waterproofing and dustproofing of the sealing cross section design is met. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A structure diagram of a sealing strip provided by an embodiment of the present application is provided.

[0029] Figure 2 A structure diagram of a buffer portion of a sealing strip provided by an embodiment of the present application is provided.

[0030] Figure 3 A structure diagram of a sealing strip provided by an embodiment of the present application is provided.

[0031] Figure 4 A CLD curve diagram of cross section simulation analysis of a related art single bubble sealing strip is provided.

[0032] Figure 5 A CLD curve diagram of cross section simulation analysis of a sealing strip provided by an embodiment of the present application is provided.

[0033] Figure 6 A structure diagram of a sealing strip in the related art is provided.

[0034] Explanation of reference signs:

[0035] Sealing strip-1; clamping part-11; clamping groove-110; clamping teeth-1100; first clamping teeth-11001; second clamping teeth-11002; buffer part-12; cavity-120; anti-sticking muscle-13; first sub-buffer part-121; second sub-buffer part-122; first cavity-1210; second cavity-1220; air outlet-1221; door and window frame sheet metal-21; window frame decoration-22; side wall reinforcement-23; side wall outer panel-24; sealing strip-01. DETAILED DESCRIPTION

[0036] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0037] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all the embodiments consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0038] The embodiments of the present application provide a vehicle. Among them, the specific type of the vehicle is not specifically limited in the embodiments of the present application, for example, the vehicle provided by the embodiments of the present application can be an electric vehicle, a hybrid vehicle or a solar vehicle, etc. At the same time, the vehicle provided by the embodiments of the present application can also be a vehicle in different forms. For example, the vehicle provided by the embodiments of the present application can be a sedan, a sport utility vehicle (SUV) or a multi-Purpose Vehicles (MPV).

[0039] The vehicle can include a vehicle frame. The vehicle frame can form the overall shape configuration of the outside of the vehicle and form a passenger space for accommodating passengers. The vehicle frame is formed with a door structure through which a user can enter and exit.

[0040] In addition, in order to realize the driving of the vehicle, the vehicle can also include an electric drive system assembly. The electric drive system assembly can include an electric drive system. Among them, the electric drive system can include a drive motor and a reducer. The drive motor can provide power, and the reducer can be connected with the drive motor. The reducer can adjust the speed to enable the vehicle to run at different speeds. Among them, according to the driving mode of the electric drive system, the electric drive system can be divided into front drive, rear drive and four-wheel drive arrangements.

[0041] In addition, the vehicle may include a transmission system that can be connected to an electric drive system to transmit power generated by the engine to the wheels.

[0042] To supply power to electrical components such as the drive motor, the vehicle provided in this application embodiment also includes a battery system. The battery system may include a battery pack, which can be used to provide electrical energy. The battery pack can be connected to the vehicle's electric drive system and other electrical components. In this way, the electrical energy from the battery pack can be transferred to various components of the vehicle for power supply.

[0043] Furthermore, the vehicle provided in this application embodiment may also include a sealing strip, which is used to seal the gap between the door and the vehicle body and is an indispensable and important component for achieving an effective seal between the door and the vehicle body. At the same time, the sealing strip plays an important role in improving the quietness of the vehicle interior and the quality of the door closing sound. Moreover, it is the part that the user directly sees or touches when the door is opened.

[0044] like Figure 1 As shown, Figure 1 This is a schematic diagram of the structure of a sealing strip 1 provided in an embodiment of this application. The sealing strip 1 includes a clamping part 11, which is provided with a groove 110. Furthermore, a snap-fit ​​tooth 1100 is also provided on the inner wall of the groove 110.

[0045] In this way, the sealing strip 1 can be snapped onto the vehicle body through the slot 110 of the clamping part 11, so that the sealing strip 1 can be installed and fixed between the vehicle body and the door. At the same time, the snapping teeth 1100 provided on the inner wall of the slot 110 of the clamping part 11 can be compressed when snapped onto the vehicle body. The reaction force generated by the compression of the snapping teeth 1100 and the friction between the snapping teeth 1100 and the vehicle body can improve the stability of the sealing strip 1 when installed on the vehicle body and prevent the sealing strip 1 from falling off the vehicle body.

[0046] In some embodiments of this application, the first locking tooth 1100 includes a first locking tooth 11001 and a second locking tooth 11002. The first locking tooth 11001 is disposed within the locking groove 110 and connected to the inner wall of the clamping portion 11. The second locking tooth 11002 is disposed within the locking groove 110, and is disposed opposite to the first locking tooth 11001, and is connected to the inner wall of the clamping portion 11. Furthermore, the length of the first locking tooth 11001 is greater than the length of the second locking tooth 11002.

[0047] In this way, the sealing strip 1 can be clamped on the vehicle body through the clamping groove 110 of the clamping part 11, so that the sealing strip 1 can be installed and fixed between the gap between the vehicle body and the door. The first clamping tooth 11001 and the second clamping tooth 11002 provided on the inner wall of the clamping groove 110 of the clamping part 11 can generate friction with the vehicle body, thereby preventing the sealing strip 1 from falling off the vehicle body. The length of the first clamping tooth 11001 is greater than the length of the second clamping tooth 11002, and the first clamping tooth 11001 can be deformed by being pressed by the vehicle body, thereby generating a counterforce to increase the friction between the first clamping tooth 11001 and the vehicle body, thereby further improving the stability of the sealing strip 1 when installed on the vehicle body and preventing the sealing strip 1 from separating from the vehicle body.

[0048] The sealing strip 1 provided by the present application further comprises a buffer part 12 connected with the clamping part 11, and the buffer part 12 is internally provided with a cavity 120. The buffer part 12 has a buffering effect, and during the closing process of the door, the buffer part 12 located between the door and the vehicle body is compressed to deform and fill the gap between the door and the vehicle body, thereby achieving the sealing function of the gap between the vehicle body and the door. Moreover, the buffer part can also prevent excessive force from being applied when closing the door, thereby preventing the door and the vehicle body from directly colliding and generating noise. At the same time, the buffer part also generates a counterforce when being compressed to deform, thereby making the closing process more gentle and improving the user experience.

[0049] It should be noted that the adhesion of the sealing strip 1 refers to the adhesion of the inner walls of the cavity 120 of the buffer part 12 when the buffer part 12 is compressed to deform. When the buffer part 12 is in contact and adhesion, the inner walls rub against each other to produce an abnormal sound, and when the buffer part 12 is no longer compressed, the originally contacted and adhered inner walls separate, and the inner walls rub against each other to produce an abnormal sound.

[0050] In this case, in order to solve the problem of abnormal sound caused by the adhesion of the inner walls of the buffer part 12 of the sealing strip 1 due to vehicle vibration during the closing and opening of the door or during the driving of the vehicle, as shown in Figure 2 , the buffer part 12 of the sealing strip is shown in Figure 2 , the sealing strip 1 provided by the present application further comprises an anti-adhesion rib 13. The anti-adhesion rib 13 is arranged in the cavity 120 of the buffer part 12, and the anti-adhesion rib is connected with the inner wall of the buffer part 12.

[0051] In this way, when the inner walls of the cavity 120 of the buffer part 12 of the sealing strip 1 come into contact with each other due to vehicle vibration during the driving of the vehicle, the anti-adhesion rib 13 arranged in the cavity 120 will come into contact with the inner wall of the cavity 120. When the anti-adhesion rib 13 comes into contact with other parts of the inner wall of the cavity 120, the contact area is small, and the friction force is also reduced. When the buffer part 12 is no longer compressed, the anti-adhesion rib 13 separates from the inner wall of the cavity 120, and because the contact area between the two is small, the friction is reduced, which also reduces the abnormal sound.

[0052] Furthermore, it should be noted that the aforementioned clamping part 11, buffer part 12, and anti-stick rib 13 are integrally molded from elastic rubber material. For example, they can be integrally molded using injection molding. In this way, the elastic rubber material has good elasticity, which can play a good cushioning role, and since the vehicle body is usually a metal sheet part, there is usually a large friction between the rubber material and the metal. At the same time, the integral molding process is simple, and the connection between the various components is reliable.

[0053] It should be noted that, in order to ensure that the anti-adhesion rib 13 can effectively reduce friction and noise, the length L of the anti-adhesion rib 13 should satisfy L≥1mm. For example, the length L of the anti-adhesion rib 13 can be 1mm, 1.5mm, 2mm, etc. Its length can be selected according to the size adaptability of the sealing strip 1, but it should at least ensure that the length of the anti-adhesion rib 13 is greater than or equal to 1mm, so as to ensure that the anti-adhesion rib 13 has sufficient length to ensure contact between the inner wall and the anti-adhesion rib 13 and the inner wall surface of the cavity 120 when the inner walls of the cavity 120 are in contact.

[0054] Furthermore, there are multiple anti-adhesion ribs 13, spaced apart from each other. This effectively reduces friction when in contact with the inner wall of the cavity 120. It should be noted that the anti-adhesion ribs 13 also undergo elastic deformation to some extent when in contact with the inner wall of the cavity 120, resulting in friction and wear. Therefore, providing multiple anti-adhesion ribs 13 can extend their service life.

[0055] like Figure 2 As shown, Figure 2 A schematic diagram of the structure of the buffer portion 12 of the sealing strip provided in this application. In some embodiments of this application, the buffer portion 12 may include two stacked first sub-buffer portions 121 and second sub-buffer portions 122.

[0056] The first sub-buffer section 121 has a first cavity 1210, and the second sub-buffer section 122 has a second cavity 1220. In this case, the cavity 120 may include the first cavity 1210 and the second cavity 1220.

[0057] Furthermore, one side of the second sub-buffer section 122 is connected to the clamping section 11, and the side of the second sub-buffer section 122 opposite to the clamping section 11 is connected to the first sub-buffer section 121.

[0058] Based on this, an anti-sticking rib 13 is provided in the second cavity 1220 of the second sub-buffer section 122, so that when the buffer section 12 is squeezed, when the inner walls of the second cavity 1220 of the second sub-buffer section 122 come into contact, the anti-sticking rib 13 can reduce the contact area and reduce friction, thereby avoiding abnormal noise.

[0059] In some other embodiments of this application, an anti-sticking rib 13 may be provided in the first cavity 1210 of the first sub-buffer portion 121, so that when the buffer portion 12 is squeezed, when the inner walls of the first cavity 1210 of the first sub-buffer portion 121 come into contact, the anti-sticking rib 13 can reduce the contact area and reduce friction, thereby avoiding abnormal noise.

[0060] Furthermore, in some embodiments of this application, the cross-sectional area of ​​the first sub-buffer portion 121 is smaller than the cross-sectional area of ​​the second sub-buffer portion 122. It should be noted that the cross-sectional areas of the first sub-buffer portion 121 and the second sub-buffer portion 122 refer to the cross-sectional areas of the first sub-buffer portion 121 and the second sub-buffer portion 122 obtained by radially cutting the sealing strip 1 along the buffer portion 12 of the sealing strip 1.

[0061] That is, between the first sub-buffer section 121 and the second sub-buffer section 122, the one closer to the door has a smaller cross-sectional area. When it is squeezed and deformed, the deformation of the first sub-buffer section 121 is relatively small, and the effective reaction force it provides is also relatively small. The deformation of the second sub-buffer section 122 is relatively large, and the effective reaction force it provides is also relatively large.

[0062] In this way, on the one hand, the reaction force provided by the buffer section 12 when it is squeezed gradually increases from small to large, making the change more uniform and smooth, without abrupt changes, thus improving the user's experience when closing the car door. On the other hand, the design of stacking from small to large is also more reasonable and aesthetically pleasing.

[0063] Furthermore, the stacked first sub-buffer section 121 and second sub-buffer section 122 can further improve the sealing effect of the sealing strip 1, and the stacked first sub-buffer section 121 and second sub-buffer section 122 can also better fill the gap between the door and the vehicle body.

[0064] like Figure 2 As shown, in some embodiments of this application, the second sub-buffer 122 is further provided with an exhaust port 1221, which is connected to the second cavity 1220.

[0065] In this way, the counterforce provided by the second sub-buffer portion 122 when the door is closed can be avoided from being too large, so that the door cannot be closed or it is difficult to close the door. For example, in a high-temperature environment, the volume of air in the second sub-buffer portion 122 will expand as the ambient temperature rises. If the second sub-buffer portion 122 is a completely sealed cavity, the volume of gas in the second sub-buffer portion 122 will expand, the pressure will rise, and the counterforce provided by the second sub-buffer portion 122 when it is pressed will also increase. This results in the need for more force to close the door, which affects the user experience when closing the door. Alternatively, if the gap between the door and the vehicle body is too small and the deformation of the sealing strip 1 increases, and if the second sub-buffer portion 122 is a sealed cavity, the counterforce generated by the second sub-buffer portion 122 will also increase as the deformation increases, which also affects the user experience.

[0066] By providing the exhaust port 1221 on the second sub-buffer portion 122, the air in the second sub-buffer portion 122 can be exhausted, thereby avoiding the above-mentioned situation and improving the user experience.

[0067] On this basis, the vehicle provided by the present application is further described as shown in Figure 3 The vehicle provided by the present application further includes a door and window frame panel 21 and a window frame trim 22, wherein the window frame trim 22 is arranged on the periphery of the door and window frame panel 21 to play a decorative role. Further, the vehicle further includes a side wall reinforcement 23 and a side wall outer panel 24, the side wall outer panel 24 is arranged on the periphery of the side wall reinforcement 23, and part of the side wall outer panel 24 is located in the clamping portion 11. That is, the sealing strip 1 is clamped on the side wall outer panel 24.

[0068] The above-mentioned side wall outer panel 24 and the window frame trim 22 are arranged at intervals to form a sealing gap, and the sealing strip 1 is arranged in the sealing gap. The sealing strip 1 is used to block the sealing gap.

[0069] In this case, in some embodiments of the present application, the size of the above-mentioned sealing gap A satisfies: 10.5mm≤A≤13.5mm. The sealing gap A allows the door and window frame panel 21, the window frame trim 22, the side wall reinforcement 23 and the side wall outer panel 24 to be normally assembled within the allowable error range when assembled, so that the mutual interference cannot be assembled. In order to avoid the situation, to meet the requirements of manufacturing tolerance and sealing system counterforce, to meet the requirements of space arrangement of sealing compression structure, to make the sealing meet the basic functions of sealing, waterproof and dustproof, and to meet the requirements of appearance aesthetics.

[0070] It should be noted that the above-mentioned sealing gap A refers to the shortest distance between the side wall outer panel 24 and the window frame trim 22, as shown in Figure 3 .

[0071] In some embodiments of the present application, the buffer portion 12 is a first sealing surface near one side of the window frame trim 22, and the window frame trim 22 is a second sealing surface near one side of the buffer portion 12. Based on this, during the sealing process, the first sealing surface and the second sealing surface are close to each other, from the first sealing surface and the second sealing surface start to contact, to the end of the sealing process, the first sealing surface and the second sealing surface are relatively stationary, and the buffer portion 12 is compressed. During the process, the deformation length of the buffer portion 12 is the sealing interference B, and the sealing interference B satisfies: 2.5mm≤B≤5.5mm.

[0072] In this way, the interference sealing amount of the buffer portion 12 of the sealing piece provided by the present application can be more reasonable, within the above range, to meet the manufacturing tolerance and the sealing system reaction force requirement, and to provide users with a good vehicle door closing experience. At the same time, it meets the basic function of waterproof and dustproof of the sealing cross section design.

[0073] In this case, see Figure 4 and Figure 5 , wherein Figure 4 is the CLD curve of the cross-sectional simulation analysis of the related art single-bubble sealing strip, Figure 5 is the CLD curve of the cross-sectional simulation analysis of the sealing strip provided by the present application.

[0074] From the CLD value of the cross-sectional simulation analysis of the sealing strip (when it is a double bubble) provided by the present application, it can be seen that the difference between D-2 and D+2 (5.1N=7.9N-2.8N) is smaller than the difference between the CLD values of the cross section of the traditional single-bubble sealing strip (11.9N=14.5N-2.6N), the curve is smoother, the fluctuation of the sealing gap of the real vehicle reduces the influence on the reaction force change of the system when the door is closed, and the door closing quality is more stable. It should be noted that the above CLD curve is an example of comparison when the sealing strip 1 provided by the present application is a double bubble, i.e. the sealing strip 1 includes a first sub-buffer portion 121 and a second sub-buffer portion 122.

[0075] In addition, it should be noted that Figure 4 , wherein D0 refers to the sealing interference B being 4mm, D-2 refers to the sealing interference B being 2mm, and D+2 refers to the sealing interference B being 6mm. That is Figure 4 and Figure 5 , which means that the first sub-buffer portion 121 and the second sub-buffer portion 122 of the sealing strip 1 provided by the present application have a smoother curve than the single-bubble sealing strip 01 (see Figure 6 , Figure 6 is a structural schematic diagram of the related art sealing strip), under different sealing interferences, the fluctuation of the sealing gap has less influence on the reaction force change of the system when the door is closed, and the door closing quality is more stable.

[0076] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any change or replacement within the technical scope disclosed by the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A weather strip, characterized by The sealing strip comprises: a clamping part (11) provided with a clamping groove (110), an inner wall of the clamping groove (110) being provided with a clamping tooth (1100); a buffer part (12) connected with the clamping part (11), the buffer part (12) being provided with a cavity (120) inside; an anti-sticking rib (13) provided in the cavity (120), the anti-sticking rib (13) being connected with an inner wall of the buffer part (12).

2. The weather strip of claim 1, wherein The buffer part (12) comprises: a first sub-buffer part (121) provided with a first cavity (1210) inside; a second sub-buffer part (122) provided with a second cavity (1220) inside, the second sub-buffer part (122) being stacked with the first sub-buffer part (121), one side of the second sub-buffer part (122) being connected with the clamping part (11), and the other side of the second sub-buffer part (122) opposite to the clamping part (11) being connected with the first sub-buffer part (121); wherein the second cavity (1220) is provided with the anti-sticking rib (13) inside.

3. The sealing strip according to claim 2, wherein a cross-sectional area of the first sub-buffer part (121) is smaller than a cross-sectional area of the second sub-buffer part (122).

4. The sealing strip according to claim 2, wherein an air outlet (1221) is provided on the second sub-buffer part (122), and the air outlet (1221) is in communication with the second cavity (1220).

5. The sealing strip according to claim 1, wherein a length of the anti-sticking rib (13) is L, and L is greater than or equal to 1 mm.

6. The sealing strip according to claim 1, wherein a plurality of the anti-sticking ribs (13) are provided at intervals.

7. The weather strip of claim 1, wherein The clamping tooth (1100) comprises: a first clamping tooth (11001) provided in the clamping groove (110) and connected with an inner wall of the clamping part (11); a second clamping tooth (11002) provided in the clamping groove (110), and the second clamping tooth (11002) is provided opposite to the first clamping tooth (11001), and the second clamping tooth (11002) is connected with the inner wall of the clamping part (11); wherein a length of the first clamping tooth (11001) is greater than a length of the second clamping tooth (11002).

8. The sealing strip according to claim 1, wherein the clamping part (11), the buffer part (12), and the anti-sticking rib (13) are integrally made of elastic rubber material.

9. A vehicle, comprising: the sealing strip (1) according to any one of claims 1-8; the vehicle further comprising: a door and window frame panel (21); a window frame decoration part (22) provided on a periphery of the door and window frame panel (21). A side reinforcement (23); A side outer plate (24) is arranged at the periphery of the side reinforcement (23), and the side outer plate (24) is partially arranged in the clamping groove (110) of the clamping part (11); The side outer plate (24) and the window frame trim (22) are arranged in a sealed interval, and the sealing strip (1) is arranged in the sealed interval, and the sealing strip (1) is used for sealing the sealed interval. The size of the sealed interval is A, and 10.5mm≤A≤13.5mm is satisfied.

10. The vehicle of claim 9, wherein The side of the buffer part (12) close to the window frame trim (22) is a first sealing surface; The side of the window frame trim (22) close to the buffer part (12) is a second sealing surface; In the sealing process, the first sealing surface and the second sealing surface are close to each other, from the contact between the first sealing surface and the second sealing surface to the relative static state of the first sealing surface and the second sealing surface at the end of the sealing process, the buffer part (12) is compressed, and the deformation length of the buffer part (12) is a sealing interference B, and 2.5mm≤B≤5.5mm is satisfied.

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