Vehicle body sealing structure

Abstract

The vehicle body sealing structure comprises a vehicle body floor and a battery upper cover, and the vehicle body floor is provided with a first sealing part; the battery upper cover is provided with the second sealing part, the first sealing part is made of a foaming material, the second sealing part is made of a dense material, the second sealing part made of the dense material is arranged on the lower portion, a better sealing effect is achieved, and the first sealing part made of the foaming material abuts against the second sealing part from top to bottom; the contact effect of the first sealing part and the second sealing part can be better, sealing between the vehicle body floor and the battery upper cover is achieved, and the sealing effect is improved; the first sealing components and the second sealing components are arranged in a staggered mode, first sealing is formed by the water retaining strips, and the water inflow can be greatly reduced; the multiple first sealing components and the multiple second sealing components which are arranged in a staggered mode are convenient to assemble in an aligned mode, the multiple first sealing components and the multiple second sealing components which are arranged in a staggered and abutting mode can further avoid sealing damage caused by extrusion, and the service cycle is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of battery packs, and in particular to a vehicle body sealing structure. Background Art

[0002] The new energy vehicle industry is an emerging industry that the country strongly supports. Multiple factors such as policy support, technological progress and consumer demand have jointly promoted the rapid development of China's new energy vehicle market. Existing new energy vehicles generally use battery packs as power sources. The battery packs are set under the body floor, and the body floor and battery packs need to be sealed. The existing sealing structure is relatively simple and the sealing effect is poor. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a vehicle body sealing structure with good sealing effect.

[0004] A vehicle body sealing structure according to a first aspect of the present application includes:

[0005] a vehicle body floor, wherein the vehicle body floor is provided with a first sealing portion;

[0006] A battery upper cover, wherein the battery upper cover is provided with a second sealing portion;

[0007] Among them, the first sealing part is set to a foam material, the second sealing part is set to a dense material, the first sealing part includes a water retaining strip and a plurality of protruding first sealing components, the second sealing part is provided with a plurality of protruding second sealing components, the first sealing part is arranged in abutment against the second sealing part, and the first sealing components and the second sealing components are arranged in an alternating manner.

[0008] A vehicle body sealing structure according to an embodiment of the first aspect of the present application has at least the following beneficial effects: a vehicle body sealing structure of the present application comprises a vehicle body floor and a battery upper cover, the vehicle body floor is provided with a first sealing part; the battery upper cover is provided with a second sealing part, the first sealing part is set to a foam material, the second sealing part is set to a dense material, the soft foam material and the hard dense material are matched, the second sealing part of the dense material is arranged at the bottom, and has a better sealing effect, the first sealing part of the foam material abuts the second sealing part from top to bottom, which can make the contact effect of the first sealing part and the second sealing part better, and the sealing between the vehicle body floor and the battery upper cover is achieved by combining soft and hard methods, thereby improving the sealing effect; the first sealing part comprises a water retaining strip and a plurality of convex first sealing components, the second sealing part is provided with a plurality of convex second sealing components, the first sealing part abuts the second sealing part, the first sealing component and the second sealing component are arranged in a staggered manner, the water retaining strip forms a first seal, which can greatly reduce the amount of water inflow; the plurality of first sealing components and the second sealing components arranged in a staggered manner form a second seal with multi-layer isolation capability at the rear side of the water retaining strip, and cooperate with the water retaining strip to improve the sealing performance. The multiple first sealing components and the multiple second sealing components arranged in a staggered manner are easy to align and assemble, and the multiple first sealing components and the multiple second sealing components arranged in a staggered manner and abutting against each other can also disperse pressure, achieve balanced pressure resistance, avoid sealing damage caused by extrusion, and increase the service life.

[0009] According to some embodiments of the present application, the first sealing portion is provided with a first rubber strip, and the water retaining strip and the first sealing component are provided on the first rubber strip.

[0010] According to some embodiments of the present application, the water retaining strip and the first rubber strip are integrally formed.

[0011] According to some embodiments of the present application, the first sealing member and the first rubber strip are integrally formed.

[0012] According to some embodiments of the present application, the second sealing portion is provided with a second rubber strip, and the second sealing member is provided on the second rubber strip.

[0013] According to some embodiments of the present application, the second sealing member and the second rubber strip are integrally formed.

[0014] According to some embodiments of the present application, the second sealing portion is further provided with a bearing portion for abutting against the water retaining strip.

[0015] According to some embodiments of the present application, the first sealing portion is configured as a foam rubber strip, and the second sealing portion is configured as a solid rubber strip.

[0016] According to some embodiments of the present application, the first sealing portion is fixed to the vehicle body floor by gluing.

[0017] According to some embodiments of the present application, the second sealing portion is fixed to the battery cover by gluing.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 This is a structural schematic diagram of a vehicle body sealing structure according to an embodiment of the present application;

[0021] Figure 2 is a schematic structural diagram of a first sealing portion and a second sealing portion when they are separated in one embodiment of the present application;

[0022] Figure 3 It is a structural schematic diagram of a first sealing portion abutting against a second sealing portion according to an embodiment of the present application. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, inside, outside, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0025] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, assembling, and matching should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0027] Refer to the following Figures 1 to 3 A vehicle body sealing structure according to an embodiment of the present application is described.

[0028] A vehicle body sealing structure according to an embodiment of the present application, such as Figures 1 to 3 As shown, it includes a vehicle body floor 100 and a battery upper cover 200, the vehicle body floor 100 is provided with a first sealing portion 300, and the battery upper cover 200 is provided with a second sealing portion 400. When the vehicle body floor 100 abuts against the battery upper cover 200, the first sealing portion 300 abuts against the second sealing portion 400, and the gap between the vehicle body floor 100 and the battery upper cover 200 is sealed. The first sealing portion 300 is set as a foaming material, and the second sealing portion 400 is set as a dense material. The first sealing portion 300 is set as a foaming material, and the second sealing portion 400 is set as a dense material. The soft foaming material and the hard dense material are matched. The second sealing portion 400 of the dense material is arranged at the bottom, which has a better sealing effect. The first sealing portion 300 of the foaming material abuts against the second sealing portion 400 from top to bottom, which can make the contact effect of the first sealing portion 300 and the second sealing portion 400 better. The sealing between the vehicle body floor 100 and the battery upper cover 200 is achieved by combining soft and hard, and the sealing effect is improved.

[0029] The first sealing part 300 includes a water retaining strip 310 and a plurality of first sealing members 320 protruding therefrom, the second sealing part 400 is provided with a plurality of second sealing members 420 protruding therefrom, the first sealing part 300 is arranged in abutment with the second sealing part 400, and the first sealing member 320 and the second sealing member 420 are arranged in a staggered arrangement. Specifically, the water retaining strip 310 is arranged on one side facing the water inlet direction, as the first seal of water retaining, which can greatly reduce the amount of water inlet; the plurality of first sealing members 320 and the second sealing member 420 arranged in a staggered arrangement form a second seal with multi-layer isolation capability at the rear side of the water retaining strip 310, and cooperate with the water retaining strip 310 to improve the sealing performance. The plurality of first sealing members 320 and the plurality of second sealing members 420 arranged in a staggered arrangement are convenient for alignment and assembly, and the plurality of first sealing members 320 and the plurality of second sealing members 420 arranged in a staggered arrangement in abutment with each other can also disperse the pressure, realize balanced pressure resistance, avoid sealing damage caused by extrusion, and improve the service life.

[0030] The first sealing member 320 is provided with a plurality of, and the second sealing member 420 is provided with a plurality of, and the plurality of first sealing members 320 and the plurality of second sealing members 420 are arranged in a staggered arrangement when abutting, which can reduce the gap between the vehicle body floor 100 and the battery cover 200, and improve the sealing performance. The staggered arrangement of the plurality of first sealing members 320 and the plurality of second sealing members 420 can also prevent poor sealing caused by offset during assembly, and ensure the stability of the seal. It is understood that, in some embodiments, the number of the first sealing member 320 and the second sealing member 420 corresponds. In some embodiments, the number of the first sealing member 320 is set to five or more, and the number of the second sealing member 420 is set to five or more, which can achieve full sealing.

[0031] According to some embodiments of the present application, the first sealing portion 300 is provided with a first rubber strip 330, and the water barrier strip 310 and the first sealing member 320 are arranged on the first rubber strip 330. The first sealing portion 300 is provided with a first rubber strip 330, and the first rubber strip 330 water barrier strip 310 and a plurality of first sealing members 320 are arranged on the first rubber strip 330, and the water barrier strip 310 and the plurality of first sealing members 320 are arranged in parallel on the first rubber strip 330, and the water barrier strip 310 is arranged on one side facing the water inlet direction, and can be used to block water in the first stage of water inlet, greatly reducing the amount of water inlet. A plurality of first sealing members 320 are arranged on the inner side of the water barrier strip 310, and cooperate with the second sealing member 420 to form a second layer of sealing to block water, thereby improving the sealing performance. Specifically, in some embodiments, the water barrier strip 310 is integrally formed with the first rubber strip 330. The integrally formed first rubber strip 330 and the water barrier strip 310 are installed together on the vehicle body floor 100, reducing the processing steps and the installation steps, and improving the assembly efficiency. It is understood that in some embodiments, the first sealing member 320 is integrally formed with the first rubber strip 330. The first sealing member 320 and the first rubber strip 330 are installed together on the vehicle body floor 100, which can improve assembly efficiency and strengthen the connection strength between the first sealing member 320 and the first rubber strip 330 to ensure the sealing effect.

[0032] According to some embodiments of the present application, the second sealing portion 400 is provided with a second adhesive strip 430, and the second sealing member 420 is provided on the second adhesive strip 430. The second sealing portion 400 is provided with a second adhesive strip 430, and the second sealing member 420 is provided on the second adhesive strip 430. The second sealing member 420 is installed on the battery cover 200 through the second adhesive strip 430, which can reduce the processing steps and the installation steps and improve the assembly efficiency. It is understandable that according to some embodiments of the present application, the second sealing member 420 and the second adhesive strip 430 are integrally formed. The integrally formed second sealing member 420 and the second adhesive strip 430 can strengthen the connection strength between the second sealing member 420 and the second adhesive strip 430 to ensure the sealing effect.

[0033] According to some embodiments of the present application, the second sealing portion 400 is further provided with a bearing portion 410 for abutting against the water retaining strip 310. The second sealing portion 400 is further provided with a bearing portion 410, the position of the bearing portion 410 of the second sealing portion 400 corresponds to the position of the water retaining strip 310 of the first sealing portion 300, the bearing portion 410 is used to abut against the water retaining strip 310, and the bearing portion 410 cooperates with the water retaining strip 310 to improve the water retaining capacity of the water retaining strip 310.

[0034] According to some embodiments of the present application, the first sealing part 300 is set as a foam rubber strip, and the second sealing part 400 is set as a dense rubber strip. The first sealing part 300 is set as a foam rubber strip, and the second sealing part 400 is set as a dense rubber strip. When the vehicle body floor 100 abuts against the battery cover 200, the first sealing part 300 abuts against the second sealing part 400 from top to bottom, and the soft foam rubber strip set on the vehicle body floor 100 cooperates with the hard dense rubber strip set at the battery cover 200. The dense rubber strip is set on the battery cover 200, and the hard dense rubber strip has a better sealing effect on the lower side. The soft foam rubber strip abuts against the dense rubber strip from top to bottom, which can ensure full contact between the first sealing part 300 and the second sealing part 400, reduce the gap between the vehicle body floor 100 and the battery cover 200, and achieve the sealing between the vehicle body floor 100 and the battery cover 200 by combining soft and hard methods, thereby improving the sealing effect.

[0035] According to some embodiments of the present application, the first sealing part 300 is fixed to the vehicle body floor 100 by pasting. The pasting and fixing connection method is simple and effective, easy to install, and can ensure the connection strength between the first sealing part 300 and the vehicle body floor 100. Specifically, in some embodiments, the first sealing part 300 is pasted on the vehicle body floor 100 by double-sided tape. It is understandable that in other embodiments, the first sealing part 300 can also be pasted on the vehicle body floor 100 by glue, which can also fix the first sealing part 300 by pasting. It should be noted that in other embodiments, the first sealing part 300 can also be detachably installed on the vehicle body floor 100 by means of snap connection, threaded connection, etc.

[0036] According to some embodiments of the present application, the second sealing part 400 is fixed to the battery cover 200 by pasting. The pasting and fixing connection method is simple and effective, easy to install, and can ensure the connection strength between the second sealing part 400 and the battery cover 200. Specifically, in some embodiments, the second sealing part 400 is pasted on the battery cover 200 by double-sided tape. It is understandable that in other embodiments, the second sealing part 400 can also be pasted on the battery cover 200 by glue, and the second sealing part 400 can also be pasted and fixed. It should be noted that in other embodiments, the second sealing part 400 can also be detachably installed on the battery cover 200 by means of snap connection, threaded connection, etc.

[0037] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present application.

Claims

1. A vehicle body sealing structure, characterized in that: include: A vehicle body floor, wherein the vehicle body floor is provided with a first sealing portion; A battery upper cover, wherein the battery upper cover is provided with a second sealing portion; Among them, the first sealing part is set to a foam material, the second sealing part is set to a dense material, the first sealing part includes a water retaining strip and a plurality of protruding first sealing components, the second sealing part is provided with a plurality of protruding second sealing components, the first sealing part is arranged in abutment against the second sealing part, and the first sealing components and the second sealing components are arranged in an alternating manner.

2. A vehicle body sealing structure according to claim 1, characterized in that: The first sealing portion is provided with a first rubber strip, and the water retaining strip and the first sealing component are provided on the first rubber strip.

3. A vehicle body sealing structure according to claim 2, characterized in that: The water retaining strip and the first rubber strip are integrally formed.

4. A vehicle body sealing structure according to claim 2, characterized in that: The first sealing member and the first rubber strip are integrally formed.

5. The vehicle body sealing structure according to claim 1, characterized in that: The second sealing portion is provided with a second rubber strip, and the second sealing component is provided on the second rubber strip.

6. A vehicle body sealing structure according to claim 5, characterized in that: The second sealing member and the second rubber strip are integrally formed.

7. The vehicle body sealing structure according to claim 5, characterized in that: The second sealing portion is also provided with a bearing portion for abutting against the water retaining strip.

8. The vehicle body sealing structure according to claim 1, characterized in that: The first sealing part is configured as a foamed rubber strip, and the second sealing part is configured as a solid rubber strip.

9. The vehicle body sealing structure according to claim 1, characterized in that: The first sealing portion is fixed to the vehicle body floor by bonding.

10. The vehicle body sealing structure according to claim 1, characterized in that: The second sealing portion is fixed to the battery upper cover by gluing.

Images