Vehicle door inner plate structure, vehicle door and vehicle

Abstract

The invention provides a vehicle door inner plate structure, a vehicle door and a vehicle. The vehicle door inner plate structure comprises an inner plate body and a waterproof film arranged on the inner plate body. The inner plate body is provided with an operation hole used for installing a component into a vehicle door and a via hole used for a stay wire to penetrate through, the via hole is communicated with the operation hole, a rubber plug is installed in the via hole, and the rubber plug is used for sealing a gap between the stay wire and the inner wall of the via hole. The waterproof film is made of XPE materials, the waterproof film is bonded to the inner plate body and covers the operation hole and part of the rubber plug, and the part, covering the rubber plug, of the waterproof film is matched with the rubber plug and connected with the rubber plug in a bonded mode. According to the vehicle door inner plate structure, through sealing between the via hole and the pull wire and sealing between the operation hole and the rubber plug by the waterproof film, the sealing and waterproof effect of the vehicle door is improved, through the waterproof film made of the XPE material, the sound insulation effect of the vehicle door is improved, and the comfort of a vehicle is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle parts, and in particular to a vehicle door inner panel structure. The present invention also relates to a vehicle door provided with the vehicle door inner panel structure, and a vehicle provided with the vehicle door. Background Art

[0002] In the door structure of the prior art, it is necessary to set a waterproof membrane between the inner door panel and the outer door panel to achieve the effects of waterproofing, dustproofing and sound insulation. At present, the traditional waterproof membrane generally adopts PE-LLD (short for linear low-density polyethylene) plastic film with a thickness of 0.1 to 0.2 mm. This waterproof membrane is simple to make, but not wear-resistant. Because it is also necessary to set inner handle wire holes and wire harness holes on the waterproof membrane to meet the layout of the inner handle wires and wire harnesses. However, when using traditional plastic waterproof membranes, stress concentration is obvious at the handle wire holes and wire harness holes, which are very easy to tear and have a short life. As a result, the overall sealing and waterproofing of the waterproof membrane is poor.

[0003] In addition, the thickness of the waterproof film made of PE-LLD material is relatively thin, which makes the overall waterproof, dustproof and sound insulation effects of the waterproof film poor, resulting in poor sealing and waterproof effects of the car door, which is not conducive to the reliability of various components in the car door. Summary of the invention

[0004] In view of this, the present invention aims to provide a vehicle door inner panel structure to improve the sealing and waterproof effect of the vehicle door inner panel.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] A vehicle door inner panel structure, comprising an inner panel body and a waterproof membrane arranged on the inner panel body; the inner panel body is provided with an operation hole for installing components in the vehicle door, and a through hole for allowing a pull wire to pass through, the through hole is connected to the operation hole, and a rubber plug is installed in the through hole, the rubber plug is used to seal the gap between the pull wire and the inner wall of the through hole;

[0007] The waterproof membrane is made of XPE material, and the waterproof membrane is bonded to the inner plate body and covers the operation hole and part of the rubber plug. The part of the waterproof membrane covering the rubber plug is matched with the rubber plug and is bonded to the rubber plug.

[0008] Furthermore, the via hole is in the shape of a long strip with one end connected to the operating hole, and the width of the via hole is gradually increased in a direction approaching the operating hole.

[0009] Furthermore, the inner plate body has a mounting surface arranged around the operating hole, and the mounting surface is a curved surface with a smooth transition; the waterproof membrane has a mating surface matched with the mounting surface, and the waterproof membrane is bonded to the mounting surface through the mating surface.

[0010] Furthermore, the waterproof membrane includes a main body portion and a connecting portion surrounding the main body portion; the matching surface is arranged on the connecting portion, and a reinforcing protrusion is arranged on the main body portion.

[0011] Furthermore, the rubber plug is provided with a slot arranged along the circumference of the rubber plug, and the rubber plug is mounted on the edge of the through hole through the slot; and / or, the rubber plug is provided with a through hole for the pull wire to pass through, and the cross-section of the through hole gradually increases in the length direction of the through hole.

[0012] Furthermore, a positioning portion is provided on the inner plate body, and the positioning portion positions the waterproof membrane at a pre-assembly position.

[0013] Furthermore, the positioning portion includes two positioning protrusions arranged at intervals, and the waterproof membrane is provided with positioning holes corresponding to the positioning protrusions one by one.

[0014] Furthermore, along the up-down direction of the vehicle, the two positioning protrusions are both located above the operating hole.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] The vehicle door inner panel structure described in the present invention is characterized by providing connected through holes and operating holes on the inner panel body, and the rubber plug is interference installed in the through hole to seal the gap between the pull wire and the inner wall of the through hole, which is not only convenient for the arrangement of the pull wire, but also helps to improve the sealing effect between the through hole and the pull wire. The operating hole and part of the rubber plug are covered by a waterproof membrane, and the part of the waterproof membrane covering the rubber plug is matched with the rubber plug, which can improve the sealing effect of the waterproof membrane on the operating hole and the rubber plug, thereby improving the sealing and waterproof effect of the vehicle door. The waterproof membrane made of XPE material can also improve the sound insulation effect of the vehicle door, thereby improving the comfort of the vehicle.

[0017] In addition, the end of the through hole connected to the operating hole is in a long strip shape, which is convenient for layout and implementation. The width of the through hole gradually increases in the direction close to the operating hole, which is conducive to the installation of the glue plug at the through hole. The installation surface is arranged around the inner plate body and presents a smooth transition curved surface. The waterproof membrane is bonded to the inner plate body through the matching surface matching the installation surface, so that the bonding effect of the waterproof membrane is better, and the sealing and waterproof performance is improved.

[0018] In addition, by providing a reinforcing protrusion, the structural strength of the waterproof membrane is improved. The card slot on the rubber plug facilitates the installation of the rubber plug in the through hole. The provision of the through hole on the rubber plug facilitates the passage of the pull wire. In the length direction of the through hole, the cross section of the through hole gradually increases, which is conducive to improving the passage of the pull wire and the use effect. By providing a positioning portion on the inner plate body to position the waterproof membrane in the pre-assembly position, the assembly accuracy of the waterproof membrane can be improved. The positioning protrusion and the positioning hole in the positioning portion have a simple structure, which is easy to arrange and implement, and the positioning effect of the two is good. Both positioning protrusions are located above the operating hole, which is conducive to improving the bonding convenience of the waterproof membrane, thereby improving the assembly efficiency.

[0019] In addition, another object of the present invention is to provide a vehicle door, in which the vehicle door is provided with the door inner panel structure as described above.

[0020] In addition, another object of the present invention is to provide a vehicle, wherein the vehicle is provided with the vehicle door as described above.

[0021] The vehicle door and vehicle described in the present invention have the same beneficial effects as the above-mentioned vehicle door inner panel structure, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 A schematic structural diagram of a door inner panel structure according to an embodiment of the present invention at one viewing angle;

[0024] Figure 2 is a schematic structural diagram of the door inner panel structure according to an embodiment of the present invention at another viewing angle;

[0025] Figure 3 It is a schematic structural diagram of a door inner panel without a waterproof film according to an embodiment of the present invention;

[0026] Figure 4 A schematic diagram of a portion of the structure of a door inner panel according to an embodiment of the present invention;

[0027] Figure 5 for Figure 4 A magnified view of part A in FIG.

[0028] Figure 6 It is a schematic diagram of the structure of the waterproof membrane, the rubber plug and the pull wire according to an embodiment of the present invention from one viewing angle;

[0029] Figure 7 It is a schematic structural diagram of the waterproof membrane, the rubber plug and the pull wire according to the embodiment of the present invention from another perspective;

[0030] Figure 8 This is a schematic structural diagram of the waterproof membrane according to an embodiment of the present invention at one viewing angle;

[0031] Fig. 9 It is a schematic structural diagram of the waterproof membrane according to an embodiment of the present invention at another viewing angle;

[0032] Fig.10 This is a schematic diagram of the structure of the pull wire and the rubber plug according to an embodiment of the present invention;

[0033] Fig.11 It is a partial structural schematic diagram of the pull wire and rubber plug according to an embodiment of the present invention;

[0034] Fig.12 for Fig.11 BB direction cross-sectional view;

[0035] Fig.13 It is a schematic structural diagram of the rubber plug according to an embodiment of the present invention at one viewing angle;

[0036] Fig.14 It is a schematic structural diagram of the rubber plug according to an embodiment of the present invention from another perspective.

[0037] Description of reference numerals:

[0038] 1. Inner panel body; 2. Waterproof membrane; 3. Pull wire; 4. External door lock; 5. Inner handle; 6. Rubber plug;

[0039] 101, window mounting hole; 102, operation hole; 103, mounting surface; 104, through hole; 105, positioning protrusion; 106, identification rib;

[0040] 201, main body; 202, connecting part; 203, positioning hole; 204, strengthening protrusion;

[0041] 601, through hole; 602, slot. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0043] In the description of the present invention, it should be noted that the directional words such as "up, down, left, right, front, and back" used in this embodiment are defined based on the up-down direction, left-right direction, and front-back direction of the vehicle. Among them, the up-down direction of the vehicle is also the height direction of the vehicle, the front-back direction of the vehicle is also the length direction of the vehicle, and the left-right direction of the vehicle is also the width direction of the vehicle.

[0044] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installed", "connected", "connected", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0045] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0046] The present embodiment relates to a door inner panel structure, which comprises an inner panel body 1 and a waterproof membrane 2 arranged on the inner panel body 1. The inner panel body 1 is provided with an operation hole 102 for installing components in the door, and a through hole 104 for passing a pull wire 3, the through hole 104 is connected with the operation hole 102, and a rubber plug 6 is installed in the through hole 104, and the rubber plug 6 is used to seal the gap between the pull wire 3 and the inner wall of the through hole 104.

[0047] Among them, the waterproof membrane 2 is made of XPE material, the waterproof membrane 2 is bonded to the inner plate body 1, and covers the operation hole 102 and part of the rubber plug 6, and the part of the waterproof membrane 2 covering the rubber plug 6 is matched with the rubber plug 6 and bonded to the rubber plug 6.

[0048] Based on the above overall introduction, an exemplary structure of the door inner panel structure described in this embodiment is as follows: Figures 1 to 3 As shown in . The inner handle 5 is close to the middle part below the window mounting hole 101 and is arranged on the side of the inner door panel facing the inside of the vehicle. The outer door lock 4 is located at the rear of the inner door panel and is close to the outer door handle and is arranged on the side of the inner door panel facing the outside of the vehicle. One end of the pull wire 3 is connected to the inner handle 5, and the other end is connected to the outer lock outside the vehicle.

[0049] like Figure 3 and Figure 4 As shown in , the operation hole 102 is arranged close to the bottom of the window mounting hole 101 and is located in the rear half of the inner plate body 1. As an example, the operation hole 102 in this embodiment is parallelogram-like, the inner handle 5 is located above the corner set at the front of the top of the operation hole 102, and the exterior door lock 4 is located behind the corner set at the rear of the top of the operation hole 102. As a preferred arrangement, the through hole 104 in this embodiment is arranged at the corner set at the rear of the top of the operation hole 102 and extends upward obliquely.

[0050] Here, by setting the through hole 104 for the pull wire 3 to pass through on the inner plate body 1, it is convenient to set the rubber plug 6 on the inner plate body 1, and can better ensure the sealing effect between the pull wire 3 and the inner plate body 1. Compared with the existing structure in which the through hole 104 for the pull wire 3 to pass through is set on the plastic waterproof film, it is easier to install the rubber plug 6 and has a better sealing effect.

[0051] It should be noted that the quasi-parallelogram in this embodiment refers to a quasi-parallelogram having two sides that are relatively close to parallel, and at least one of the other two sides being non-linear, but forming a quasi-parallelogram in the shape of a parallelogram as a whole. It should be noted that the operating hole 102 in this embodiment, in addition to being a quasi-parallelogram, can also be set to any other shape as long as it meets the use requirements of installing components in the vehicle door.

[0052] like Figure 4 and Figure 5 As shown in , in this embodiment, the through hole 104 is in a strip shape with one end connected to the operation hole 102, and the width of the through hole 104 is gradually increased in the direction close to the operation hole 102. Here, the end of the through hole 104 connected to the operation hole 102 is in a strip shape, which is convenient for the rubber plug 6 to be installed in the through hole 104, and the width of the through hole 104 is gradually increased in the direction close to the operation hole 102, which is conducive to improving the installation efficiency of the rubber plug 6 at the through hole 104.

[0053] An exemplary structure of the rubber plug 6 in this embodiment is as follows Figures 10 to 14 As shown in , the width of the rubber plug 6 gradually decreases along the direction of insertion into the through hole 104, so as to facilitate insertion into the through hole 104. The rubber plug 6 is provided with a clamping groove 602 arranged along the circumference of the rubber plug 6, and the rubber plug 6 is clamped on the edge of the through hole 104 through the clamping groove 602. As the insertion end of the rubber plug 6 is inserted into the through hole 104, the edges on both sides of the through hole 104 are respectively placed in the clamping groove 602 on the corresponding side, until the edge of the end of the through hole 104 is also inserted into the corresponding clamping groove 602, at which time the rubber plug 6 cannot move further, indicating that the rubber plug 6 is installed in place in the through hole 104.

[0054] In order to facilitate the wire 3 to pass through the rubber plug 6, Fig.12 As shown in FIG. 1 , a through hole 601 extending in the length direction of the rubber plug 6 is provided, and one end of the through hole 601 has an outer wire-passing opening located on the outer side of the inner plate body 1, and an inner wire-passing opening located on the inner side of the inner plate body 1. The pull wire 3 passes through the through hole 601 via the inner wire-passing opening and then passes out from the outer wire-passing opening, thereby realizing the connection between the inner buckle handle 5 and the outer door lock 4.

[0055] As a preferred embodiment, Fig.12As shown in the figure, the cross section of the through hole 601 gradually increases in the length direction of the through hole 601. Along the arrow direction in the figure, the cross-sectional area of ​​the through hole 601 gradually increases, which is conducive to the installation of the cable 3. The large diameter end of the through hole 601 is located on the outside of the inner plate body 1, and the small diameter end of the through hole 601 is located on the inside of the inner plate body. The cable 3 and the small diameter end of the through hole 601 are interference fit to ensure the sealing effect between the rubber plug 6 and the cable 3. This will not affect the use of the cable 3 in the whole vehicle, and can also ensure the sealing effect between the cable 3 and the rubber plug 6, which is conducive to improving the waterproofness of the inner door panel.

[0056] As a preferred embodiment, Figure 3 and Figure 4 As shown in , the inner plate body 1 has a mounting surface 103 arranged around the operating hole 102, the mounting surface 103 is a smoothly transitioned curved surface, the waterproof membrane 2 has a mating surface arranged to match the mounting surface 103, and the waterproof membrane 2 is bonded to the mounting surface 103 through the mating surface. In this embodiment, the mounting surface 103 is arranged around the entire circumference of the inner plate body 1 and is in a closed loop shape, and the mating surface and the mounting surface 103 are matched and arranged, which means that the mating surface is also in a closed loop shape around the operating hole 102, and the mating surface is also a smoothly transitioned curved surface.

[0057] In this embodiment, the installation surface 103 is a smoothly curved surface, and the waterproof membrane 2 is bonded to the inner plate body 1 through a mating surface that matches the installation surface 103, which can ensure that the installation surface 103 and the mating surface are tightly fitted together when bonded, so that the bonding effect around the waterproof membrane 2 is better, thereby improving the sealing and waterproof performance of the waterproof membrane 2.

[0058] In order to improve the bonding accuracy of the colloid when bonding the waterproof membrane 2 and improve the assembly efficiency, in this embodiment, a marking portion is provided on the mating surface, and the marking portion marks the colloid application position. Figure 8 As shown in FIG. 1 , the marking portion in this embodiment is the marking rib 106, and the portion outside the marking rib 106 is the colloid application area. In addition, using the marking rib 106 as the marking portion can also prevent the colloid on the application area from flowing into the space surrounded by the marking rib 106, thereby causing waste of the colloid, and can improve the colloid application effect.

[0059] It should be noted that in addition to setting the identification part on the mating surface, the identification part can also be set on the installation surface 103, or on both the installation surface 103 and the mating surface. In addition to the above-mentioned identification rib 106, the identification part can also adopt other structures with identification effects such as identification lines.

[0060] The structure of the waterproof membrane 2 in this embodiment is as follows Figure 8 and Fig. 9As shown in , the waterproof membrane 2 includes a main body 201 and a connecting portion 202 surrounding the main body 201, and the above-mentioned mating surface and identification rib 106 are both arranged on the connecting portion 202. The main body 201 is arranged to protrude toward the inner panel body 1, so that the space between the inner panel and the outer panel of the door can be utilized. The connecting portion 202 in this embodiment is arranged around the edge of the entire main body 201, and the junction of the connecting portion 202 and the main body 201 forms a boundary line. The above-mentioned mating surface is the side of the connecting portion 202 arranged toward the inner panel body 1.

[0061] In addition, in this embodiment, the portion of the waterproof membrane 2 covering the rubber plug 6 is matched with the rubber plug 6, which means that the shape of the portion of the waterproof membrane 2 covering the rubber plug 6 is consistent with the shape of the rubber plug 6. In detail, after the rubber plug 6 is installed at the through hole 104, the surface of the rubber plug 6 higher than the inner side of the inner plate body 1 is arc-shaped. Accordingly, the waterproof membrane 2 is specifically attached to the arc-shaped portion outside the rubber plug 6. When the waterproof membrane 2 is bonded, the arc-shaped portion of the waterproof membrane 2 covering the rubber plug 6 is matched with the rubber plug 6, which is conducive to ensuring the sealing effect between the waterproof membrane 2 and the rubber plug 6 and the surrounding inner plate body 1.

[0062] In addition, in order to further improve the structural strength of the main body 201, a reinforcing protrusion 204 is provided on the main body 201. Figure 8 and Fig. 9 As shown in , as a preferred arrangement, there are multiple reinforcing protrusions 204, a portion of the reinforcing protrusions 204 protrude from the inner side to the outer side of the waterproof membrane 2, and another portion of the reinforcing protrusions 204 protrude from the outer side to the inner side of the waterproof membrane 2. The shape and size of the reinforcing protrusions 204 can also be determined according to requirements. Here, the structure of the reinforcing protrusions 204 is simple, which is conducive to improving the structural strength of the waterproof membrane 2.

[0063] In this embodiment, the waterproof membrane 2 is made of XPE material in the prior art. The XPE material here is a chemically cross-linked polyethylene foam material, which is made by continuously foaming low-density polyethylene resin, a cross-linking agent and a foaming agent at high temperature. The thickness range of the waterproof membrane 2 here is preferably 1.5 to 2.5 mm. In specific implementation, the thickness of the waterproof membrane 2 can be any value such as 1.5 mm, 2 mm or 2.5 mm, and the thickness of the waterproof membrane 2 can be determined based on the use requirements. In addition, compared with the plastic film in the prior art, the waterproof membrane 2 made of XPE material not only has better sealing and waterproof properties, but also has excellent properties such as recyclability, wear resistance and stretch resistance. By arranging the waterproof membrane 2 on the inner panel of the door, it also has the effect of heat insulation and sound insulation, which is conducive to improving the NVH performance and ride comfort of the vehicle.

[0064] Furthermore, a positioning portion is provided on the inner plate body 1, and the positioning portion positions the waterproof membrane 2 at the pre-assembly position. Here, by providing the positioning portion on the inner plate body 1 to position the waterproof membrane 2 at the pre-assembly position, the assembly accuracy and assembly efficiency of the waterproof membrane 2 can be improved.

[0065] In terms of specific structure, Figure 4 and Figure 8 As shown in , the positioning portion includes two positioning protrusions 105 arranged at intervals, and the waterproof membrane 2 is provided with positioning holes 203 corresponding to the positioning protrusions 105. The waterproof membrane 2 can be positioned in the pre-assembly position by inserting the positioning holes 203 into the corresponding positioning holes 203. The outer surface of the positioning protrusion 105 here is preferably an arc surface, which can improve the insertion effect of the positioning protrusion 105 in the corresponding positioning hole 203, and also help prevent the positioning protrusion 105 from damaging the waterproof membrane 2 during the insertion process. In addition, the structure of the positioning protrusion 105 and the positioning hole 203 is simple, which is not only convenient for arrangement and implementation, but also has a good positioning effect of mutual cooperation.

[0066] As a preferred embodiment, along the vertical direction of the vehicle, the two positioning protrusions 105 are both located above the operating hole 102. Specifically, the two positioning protrusions 105 are respectively arranged at the front and rear corners of the top of the operating hole 102. In this way, the waterproof membrane 2 is positioned on the inner plate body 1 in a hanging manner, the positioning effect is better, and it is conducive to the bonding and connection of the waterproof membrane 2, the inner plate body 1 and the rubber plug 6. Of course, the position and number of the positioning protrusions 105 can be determined according to the use requirements.

[0067] The vehicle door inner panel structure of this embodiment is provided with a connected through hole 104 and an operating hole 102 on the inner panel body 1, and the rubber plug 6 is installed in the through hole 104 to seal the gap between the cable 3 and the inner wall of the through hole 104, which is not only conducive to the arrangement of the cable 3, but also conducive to improving the sealing effect between the through hole 104 and the cable 3. In addition, the waterproof membrane 2 covers the operating hole 102 and part of the rubber plug 6, and the part of the waterproof membrane 2 covering the rubber plug 6 is matched with the rubber plug 6, which can improve the sealing effect of the waterproof membrane 2 on the operating hole 102 and the rubber plug 6, thereby ensuring the sealing and waterproof effect of the vehicle door, and the waterproof membrane 2 made of XPE material has a high sound insulation effect, thereby improving the comfort of the vehicle.

[0068] In addition, the present embodiment also relates to a vehicle door and a vehicle door, wherein the vehicle door is provided with the door inner panel structure as described above, and the vehicle is provided with the vehicle door as described above.

[0069] The vehicle door and the vehicle of this embodiment have the same beneficial effects as the above-mentioned vehicle door inner panel structure, which will not be repeated here.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A door inner panel structure, characterized in that: It comprises an inner plate body (1) and a waterproof membrane (2) arranged on the inner plate body (1); The inner panel body (1) is provided with an operating hole (102) for installing components in the vehicle door, and a through hole (104) for allowing the pull wire (3) to pass through, the through hole (104) is connected to the operating hole (102), and a rubber plug (6) is installed in the through hole (104), and the rubber plug (6) is used to seal the gap between the pull wire (3) and the inner wall of the through hole (104); The waterproof membrane (2) is made of XPE material, and the waterproof membrane (2) is bonded to the inner plate body (1) and covers the operating hole (102) and part of the rubber plug (6). The part of the waterproof membrane (2) covering the rubber plug (6) is matched with the rubber plug (6) and is bonded and connected to the rubber plug (6).

2. The vehicle door inner panel structure according to claim 1, characterized in that: The through hole (104) is in the shape of a long strip with one end connected to the operating hole (102), and the width of the through hole (104) is gradually increased in a direction approaching the operating hole (102).

3. The door inner panel structure according to claim 1, characterized in that: The inner plate body (1) has a mounting surface (103) arranged around the operating hole (102), and the mounting surface (103) is a curved surface with a smooth transition; The waterproof membrane (2) has a matching surface that is matched with the mounting surface (103), and the waterproof membrane (2) is bonded to the mounting surface (103) via the matching surface.

4. The door inner panel structure according to claim 3, characterized in that: The waterproof membrane (2) comprises a main body portion (201) and a connecting portion (202) surrounding the main body portion (201); The matching surface is provided on the connecting portion (202), and a reinforcing protrusion (204) is provided on the main body portion (201).

5. The vehicle door inner panel structure according to claim 1, characterized in that: The rubber plug (6) is provided with a clamping groove (602) arranged along the circumference of the rubber plug (6), and the rubber plug (6) is clamped on the edge of the through hole (104) through the clamping groove (602); and / or, The rubber plug (6) is provided with a through hole (601) for the pull wire (3) to pass through, and the cross section of the through hole (601) gradually increases in the length direction of the through hole (601).

6. The vehicle door inner panel structure according to any one of claims 1 to 5, characterized in that: The inner plate body (1) is provided with a positioning portion, and the positioning portion positions the waterproof membrane (2) at a pre-assembly position.

7. The vehicle door inner panel structure according to claim 6, characterized in that: The positioning portion comprises two positioning protrusions (105) arranged at intervals, and the waterproof membrane (2) is provided with positioning holes (203) corresponding one-to-one to the positioning protrusions (105).

8. The vehicle door inner panel structure according to claim 7, characterized in that: Along the up-down direction of the vehicle, the two positioning protrusions (105) are both located above the operating hole (102).

9. A vehicle door, characterized in that: The vehicle door is provided with the vehicle door inner panel structure according to any one of claims 1 to 8.

10. A vehicle, characterized in that: The vehicle is provided with the vehicle door according to claim 9.

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