Sealing assembly and vehicle

By designing a combination structure of a first sealing strip, a second sealing strip, and a water-blocking barrier at the vehicle's tailgate, the problem of water leakage at the tailgate was solved, achieving a dry environment inside the vehicle and a highly efficient sealing effect.

CN223750637UActive Publication Date: 2026-01-02WEICHAI (YANGZHOU) YAXING NEW ENERGY COMMERCIAL VEHICLE CO
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Patent Information

Application Number
CN202520455712.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-02
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

There is a noticeable water seepage problem at the tailgate of the vehicle, especially in heavy rain, where rainwater easily accumulates and seeps into the vehicle, making the interior environment not dry.

Method used

A sealing assembly is designed, including a first sealing strip, a second sealing strip, and a water-blocking barrier. The first sealing strip seals the gap between the door frame and the door, the second sealing strip strengthens the sealing of the vertical door gap, and the water-blocking barrier blocks both ends of the second sealing strip to form an integral sealing structure that prevents rainwater from seeping in.

Benefits of technology

It effectively prevents rainwater from seeping into the vehicle, ensuring a dry environment inside the vehicle, improving the sealing effect, and preventing water from entering through the gaps in the sealing strip.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223750637U_ABST
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Abstract

The utility model belongs to the technical field of vehicle door sealing, and particularly relates to a sealing assembly and a vehicle. The sealing structure comprises a first sealing strip, a second sealing strip and a water blocking partition piece, and the first sealing strip is arranged on the edge of a vehicle door frame in a surrounding mode and used for being filled between the vehicle door frame and a vehicle door in a sealed mode; the second sealing strip is arranged in the middle of the top of the first sealing strip and used for sealing and filling a door gap between the automobile door frame and the automobile door outer edge. The two water-blocking partition pieces are attached to the two ends of the second sealing strip respectively. The sealing strip is used for solving the problem that the sealing strip is poor in sealing effect. The second sealing strip is arranged in the middle of the top of the first sealing ring, the middle of the first sealing ring corresponds to the vertical door crack position of the door, the sealing effect of the position is enhanced through the second sealing strip, the two ends of the second sealing strip are blocked through the water blocking partition pieces, and the corresponding door cracks are filled with the tops of the water blocking partition pieces. Rainwater during rainstorm is effectively prevented from intruding into the vehicle through peripheral gaps at the two ends of the second sealing strip, and therefore the dry environment in the vehicle is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle door sealing technical field, concretely relates to a sealing assembly and vehicle. BACKGROUND

[0002] The vehicle sealing strip has the effect of filling the various intervals and gaps between the vehicle body components, has the functions of shock absorption, waterproof, dustproof, sound insulation, decoration and the like, improves the comfort of the driving and riding experience and protects the vehicle body, and simultaneously improves the airtightness and comfort of the vehicle door.

[0003] The sealing strip is usually fixed on the vehicle door frame, and after the vehicle door is closed, the sealing strip is deformed under pressure to fill between the vehicle door and the vehicle door frame to play a sealing and insulating role, however, there is a relatively obvious water seepage phenomenon at the door gap of the tail door closure. The main reason is that under the test conditions simulating heavy rain, a large amount of rainwater will quickly accumulate at the door gap of the tail door closure. As this place cannot effectively block the rainwater, the water seepage phenomenon occurs, especially for the vehicle door with a double-door structure, the tail door area will appear a large amount of rainwater accumulation, and the water seepage phenomenon is prone to occur. SUMMARY

[0004] In view of the defects of the prior art, the sealing assembly and the vehicle are provided to solve the problem of poor sealing effect of the sealing strip.

[0005] In one aspect, the technical scheme for solving the above technical problem is as follows: a sealing assembly is installed between the vehicle door frame and the vehicle door of a tail door, and the sealing assembly comprises:

[0006] A first sealing strip is arranged around the edge of the vehicle door frame to seal and fill between the vehicle door frame and the vehicle door.

[0007] A second sealing strip is arranged at the top of the first sealing strip to seal and fill the door gap between the vehicle door frame and the outer edge of the vehicle door.

[0008] Two water-blocking partition pieces are respectively arranged at the two ends of the second sealing strip, the end face of the water-blocking partition piece tightly seals the end face gap of the two ends of the second sealing strip, and the top of the water-blocking partition piece is used to fill the door gap between the vehicle door frame and the outer edge of the vehicle door.

[0009] Compared with the prior art, the above technical scheme has the following beneficial effects:

[0010] Firstly, the first sealing strip seals the gap between the door frame and the door, and then the second sealing strip is arranged in the middle of the top of the first sealing ring, and the middle corresponds to the vertical gap position of the door opening, the sealing effect of this position is enhanced by the second sealing strip, and the water blocking partition is blocked at both ends of the second sealing strip, and the top of the water blocking partition is filled with the corresponding gap, effectively preventing rainwater from penetrating into the vehicle through the circumferential gap at both ends of the second sealing strip during heavy rain, thereby ensuring the dry environment inside the vehicle.

[0011] Based on the above technical solutions, the embodiments of the present application can also be improved as follows:

[0012] In an embodiment, the bottom of the second sealing strip is vulcanized and bonded to the top of the first sealing strip.

[0013] By vulcanization and bonding, the first sealing strip and the second sealing strip form a whole, improve the sealing effect, meet the sealing requirement, and avoid water flow from the gap between the two sealing strips into the vehicle.

[0014] In an embodiment, the bottom profile of the water blocking partition matches the top profile of the first sealing strip.

[0015] The bottom profile of the water blocking partition matches the top profile of the first sealing strip, and when the water blocking partition is fixed at both ends of the second sealing strip, the bottom is tightly attached above the first sealing strip, and when the door is closed under pressure, it can be tightly attached.

[0016] In an embodiment, the first sealing strip comprises:

[0017] The clamping groove structure is clamped and fixed on the edge of the door frame;

[0018] The first bubble tube is arranged outside the clamping groove structure and used to contact the inside of the door;

[0019] At least two first sealing edges are arranged on the first bubble tube in an upper and lower spaced manner, and the first sealing edges are located away from the clamping groove structure.

[0020] In an embodiment, the clamping groove structure is spaced apart from the inside of the edge and provided with a plurality of sealing anti-skid strips.

[0021] In an embodiment, the second sealing strip comprises:

[0022] The base is connected above the clamping groove structure;

[0023] The deformation part is connected above the base, the top of the deformation part extends outward to form a first lip, and the first lip is used to block the gap between the door frame and the outer edge of the door;

[0024] A second bubble tube is arranged on the deformation part close to the side of the vehicle door, and is used to contact the vehicle door.

[0025] In an embodiment, the top of the deformation part extends inwardly to form a second lip, which is used to abut against the door frame.

[0026] In an embodiment, the distal end of the first lip is connected with a downwardly extending flange, which is used to cover the outer edge of the vehicle door.

[0027] The flange arranged on the first lip covers the outer edge of the vehicle door, so that when rain falls, the rain can flow to the vehicle door through the first lip, and the rain cannot enter the sealing assembly from the gap between the door and the sealing assembly.

[0028] In an embodiment, the top of the first lip is upwardly raised in the middle to form a protruding part used to contact the door frame, and the protruding part pushes the distal end of the first lip downwardly when the protruding part is pressed and deformed.

[0029] The protruding part can be used to offset the flange arranged at the distal end of the first lip downwardly, so that the flange covers the outer edge of the top of the vehicle door, and the rain can flow to the outer side of the vehicle door along the flange, and the rain cannot enter the gap between the door and the sealing assembly.

[0030] In another aspect, the embodiment also discloses a vehicle comprising the sealing assembly. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0032] Figure 1 It is a schematic diagram of the overall structure of the embodiment 1 of the present application.

[0033] Figure 2 It is a schematic diagram of the overall structure of the embodiment 1 of the present application. Figure 1 It is a schematic diagram of the enlarged structure at position A in the above-mentioned figure.

[0034] Figure 3 It is a schematic diagram of the longitudinal section structure of the above-mentioned figure. Figure 2

[0035] Figure 4 It is a schematic diagram of the cooperation structure of the first sealing strip and the water blocking partition member in the present application.

[0036] Figure 5 ​The structure schematic diagram of the car door closing under pressure.

[0037] Reference signs:

[0038] 1, first sealing strip; 2, second sealing strip; 3, water blocking partition; 4, car door frame; 5, car door; 6, edge;

[0039] 101, clamping groove structure; 102, first bubble tube; 103, first sealing edge; 104, sealing anti-skid strip;

[0040] 201, base; 202, deformation part; 203, first lip; 204, second lip; 205, second bubble tube; 206, second sealing edge; 207, flange; 208, protruding part. DETAILED DESCRIPTION

[0041] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0042] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the technical personnel in the field to which the utility model belongs.

[0043] In addition, the terms should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Unless otherwise explicitly specified.

[0044] In the present application, unless otherwise explicitly specified and limited, the terms should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] Example 1

[0046] As Figures 1-3 shown, the sealing assembly provided by the utility model is installed between the car door frame 4 and the car door 5 of the tail door, and the sealing assembly seals between the car door frame 4 and the car door 5 when the car door 5 is closed, and seals the gap between the car door 5 and the car door frame 4. Specifically, the sealing assembly comprises: a first sealing strip 1, a second sealing strip 2 and two water blocking partitions 3.

[0047] The first sealing strip 1 is arranged around the edge 6 of the door frame 4, and the door frame 4 is provided with the outwardly protruding edge 6, and the first sealing strip 1 is arranged around the edge 6 of the door frame 4, and the first sealing strip 1 is used to seal the space between the door frame 4 and the door 5, and the door 5 deforms when it contacts the first sealing strip 1 to seal the door 5 and the door frame 4.

[0048] The second sealing strip 2 is a short sealing strip arranged at the top of the first sealing strip 1, and is used to fill the space between the door 5 and the door frame 4 above the first sealing strip 1, and the second sealing strip 2 covers the vertical door gap of the split tailgate, and the addition of the second sealing strip 2 can be used to seal the gap between the outer edges of the door frame 4 and the door 5, thereby improving the sealing effect.

[0049] The two water-blocking partitions 3 are respectively arranged at the two ends of the second sealing strip 2, and the end face of the water-blocking partition 3 tightly seals the end face gap at the two ends of the second sealing strip 2, thereby sealing the end face of the second sealing strip 2, and the top of the water-blocking partition 3 is used to fill the gap between the outer edges of the door frame 4 and the door 5, and specifically, the inner and outer sides of the water-blocking partition 3 are respectively arranged on the inner sides of the door frame 4 and the door 5.

[0050] First, the first sealing strip 1 seals the gap between the door frame 4 and the door 5, then the second sealing strip 2 is arranged at the top of the first sealing strip 1, and the middle corresponds to the vertical door gap position of the split door, the sealing effect at this position is improved by the second sealing strip 2, and the water-blocking partition 3 is arranged at the two ends of the second sealing strip 2, and the top of the water-blocking partition 3 fills the corresponding gap, thereby effectively preventing rainwater from entering the vehicle through the gap between the two ends of the second sealing strip 2 during heavy rain, thereby ensuring a dry environment in the vehicle.

[0051] To improve the sealing effect between the first sealing strip 1 and the second sealing strip 2, the bottom of the second sealing strip 2 is vulcanized and bonded to the top of the first sealing strip 1 or bonded by glue, and the two sealing strips are bonded to form a whole by vulcanization bonding or glue bonding, thereby improving the sealing effect, meeting the sealing requirements, avoiding water flow from the gap between the two sealing strips into the vehicle, and ensuring the tightness and waterproof sealing of the connection.

[0052] As shown in Figure 2 , 4 The arrangement of the water-blocking partition 3 improves the sealing of the rainwater accumulation position at the two ends of the second sealing strip, and specifically, the profile of the water-blocking partition 3 is arranged to match the profile of the top of the first sealing strip 1.

[0053] The bottom profile of the water-blocking partition 3 is matched with the top profile of the first sealing strip 1, and the bottom of the water-blocking partition 3 can be made by die stamping or the like to follow the shape of the top profile of the first sealing strip. When the water-blocking partition 3 is fixed at both ends of the second sealing strip 2, the bottom is tightly attached above the first sealing strip 1, and when the door 5 is closed under pressure, the water-blocking partition 3 can be tightly attached.

[0054] Meanwhile, the inner side and the top of the water-blocking partition 3 are attached to the door frame 4, and the water-blocking partition 3 can be fixed to the door frame 4 by gluing, and the side of the water-blocking partition 3 close to the second sealing strip 2 is also fixed to the second sealing strip 2 by gluing.

[0055] The water-blocking partition 3 can be made of waterproof sponge or the like because it needs to be deformed to a certain extent when the door 5 is closed. Due to its strong plasticity and low density, it can be easily processed into different specifications, which not only effectively blocks water, but also reduces the weight of the vehicle body, effectively prevents rainwater from entering the vehicle through the reverse tailgate gap sealing strip, and thus protects the dry environment inside the vehicle.

[0056] In the embodiment, the first sealing strip 1 comprises a clamping groove structure 101 and a first bubble tube 102.

[0057] The clamping groove structure 101 is clamped and fixed on the edge 6 of the door frame 4, and the clamping groove structure 101 is a U-shaped clamping groove structure 101. The opening of the clamping groove structure 101 is wrapped on the edge 6 to play a fixing role. The first bubble tube 102 is arranged on the outer side of the clamping groove structure 101 and is integrally formed with the clamping groove structure 101, and is used to contact the inner side of the door 5. The first bubble tube 102 is hollow inside. When the door 5 is closed, the first bubble tube 102 will be deformed to a certain extent to fit the inner side of the door 5, thereby playing a sealing effect.

[0058] Further, at least two first sealing edges 103 are arranged on the first bubble tube 102 in an upper and lower interval, and are integrally formed with the first bubble tube 102. The first sealing edges 103 are located on the side away from the clamping groove structure 101. When the first bubble tube 102 is deformed under pressure, the first sealing edges 103 arranged in an upper and lower interval can contact the inner side of the door 5, thereby improving the sealing effect.

[0059] In order to improve the sealing and fixing effect, a plurality of sealing anti-skid strips 104 are arranged on the inner side of the clamping groove structure 101 close to the edge 6. The anti-skid strips not only have a sealing effect, but also have an anti-skid effect, which can prevent the clamping groove structure 101 from slipping off the edge 6. Specifically, the inclined direction of the outer side of the sealing anti-skid strip 104 is toward the outer side of the edge 6, so that the clamping groove structure 101 is easily clamped into the edge 6 and is difficult to be pulled out after being clamped into the edge 6.

[0060] The second sealing strip 2 comprises a base 201, a deformation part 202 and a second bubble tube 205.

[0061] The base 201 is connected to the top of the card slot structure 101, and is vulcanized and bonded to the top of the card slot structure 101 in the first sealing strip 1.

[0062] The deformation part 202 is connected to the top of the base 201 and extends upward, the top of the deformation part 202 extends outward to form a first lip 203, the first lip 203 is used to block the gap between the door frame 4 and the outer edge of the door 5, the second bubble tube 205 is arranged on the deformation part 202 close to the side of the door 5, the second bubble tube 205 is hollow inside, the second bubble tube 205 is located below the first lip 203 and is used to contact the inner side of the door 5, at least two second sealing edges 206 are arranged on the side of the second bubble tube 205 close to the door 5, the second sealing edges 206 are arranged in an upper and lower interval, the second sealing edges 206 have the same effect as the first sealing edge 103, and the sealing effect of the second bubble tube 205 is improved, when the second bubble tube 205 is deformed under pressure, the first lip 203 located above is extruded outward by the door frame 4 and covers the upper edge of the door 5, thereby blocking the gap between the door 5 and the door frame 4.

[0063] In order to improve the stability under pressure, the top of the deformation part 202 extends inward to form a second lip 204, the second lip 204 is used to abut against the door frame 4, when the door 5 is pressed towards the second bubble tube 205, the second lip 204 contacts the door frame 4 and plays a certain supporting role, thereby ensuring that the first lip 203 is pushed outward to cover the upper edge of the door 5.

[0064] As shown in Figure 5 In order to improve the water blocking effect of the first lip 203, the distal end of the first lip 203 is connected with a downward extending flange 207, the flange 207 is used to cover the outer edge of the door 5, when the door 5 is closed, the upper edge is pressed into the inner side of the flange 207, the flange 207 is lapped on the outer surface of the door 5, and the flange 207 on the first lip 203 is used to cover the outer edge of the door 5, so that when the rain falls, it can flow to the door 5 through the first lip 203, avoiding entering the inside of the sealing assembly from the gap.

[0065] In order to improve the pressing effect of the distal end of the first lip 203, a convex portion 208 is formed on the top of the first lip 203 for contacting the door frame 4. When the door 5 is closed, the convex portion 208 contacts the top of the cavity of the sealing strip installed on the door frame 4, and pushes the distal end of the first lip 203 downward when it is deformed, so as to offset the flange 207 of the distal end of the first lip 203 downward, ensure that the first lip 203 covers the upper edge of the door 5, and make the rainwater flow to the outside of the door 5 along the flange 207, so as to avoid the rainwater from entering the door gap and ensure the sealing effect.

[0066] Embodiment 2

[0067] The embodiment also discloses a vehicle comprising the sealing assembly of the embodiment 1, which is installed between the tail door frame and the door 5 of the vehicle. The vehicle has all the beneficial effects of the embodiment 1, which will not be repeated here.

[0068] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features. Such modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A sealing assembly installed between a door frame and a door of a tailgate, characterized in that, The sealing assembly includes: The first sealing strip is placed around the edge of the door frame and is used to seal and fill the space between the door frame and the door. The second sealing strip is disposed at the top center of the first sealing strip and is used to seal and fill the door gap between the door frame and the outer edge of the door. Two water-blocking partitions are respectively fitted and installed at both ends of the second sealing strip. The end face of the water-blocking partition is tightly fitted to seal the end face gap of the two ends of the second sealing strip. The top of the water-blocking partition is used to fill the door gap between the door frame and the outer edge of the door.

2. The seal assembly of claim 1, wherein, The bottom of the second sealing strip is vulcanized and bonded to the top of the first sealing strip.

3. The seal assembly of claim 1, wherein, The bottom contour of the water-blocking barrier matches the top contour of the first sealing strip.

4. The seal assembly of claim 1, wherein, The first sealing strip includes: The slot structure clamps and fixes the door frame to the edge; The first bubble tube is located on the outside of the slot structure and is used to contact the inside of the car door. At least two first sealing edges are provided on the first bubble tube at intervals, with the first sealing edges located on the side away from the slot structure.

5. The seal assembly of claim 4, wherein, The card slot structure is provided with several sealing and anti-slip strips at intervals on the inner side near the edge.

6. The seal assembly of claim 4, wherein, The second sealing strip includes: The base is connected to the top of the slot structure; A deformable part is connected above the base, and the top of the deformable part extends outward to form a first lip, which is used to seal the door gap between the door frame and the outer edge of the door. The second bubble tube is disposed on the deformable part near the side of the car door for contacting the car door. The second bubble tube near the side of the car door has at least two second sealing edges, which are spaced apart vertically.

7. The seal assembly of claim 6, wherein, The top of the deformable part extends inward to form a second lip, which is used to abut against the door frame.

8. The seal assembly of claim 6, wherein, The distal end of the first lip is connected to a downwardly extending flange, which is used to cover the outer edge of the door.

9. The seal assembly of claim 8, wherein, The top center of the first lip has an upward bulge forming a protrusion for contacting the door frame. When the protrusion is deformed under pressure, it pushes the distal end of the first lip downward.

10. A vehicle characterized by comprising: Includes the sealing assembly as described in any one of claims 1-9.