CN216994575U

CN216994575U - Expansion block and vehicle

Info

Publication number: CN216994575U
Application number: CN202220287114.9U
Authority: CN
Inventors: 宋勇男
Original assignee: Evergrande New Energy Automobile Investment Holding Group Co Ltd
Current assignee: Evergrande New Energy Automobile Investment Holding Group Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-19
Anticipated expiration: 2032-02-11

Abstract

The application discloses expansion block and vehicle, disclosed expansion block can be applied to the vehicle, and the vehicle includes the automobile body panel beating, and the expansion block includes skeleton, first thermal energy material layer and welding, and the skeleton is located to first thermal energy material layer, and a welding fixed connection is in the skeleton, and a welding is used for linking to each other with the welding of automobile body panel beating. According to the scheme, the problem that in the related art, the expansion block and the automobile body metal plate are connected through the buckle structure, the installation hole needs to be formed in the automobile body metal plate, and the sealing performance of the installation hole is difficult to guarantee can be solved.

Description

Expansion block and vehicle

Technical Field

The application belongs to the technical field of vehicles, concretely relates to inflation piece and vehicle.

Background

The vehicle body skeleton texture is generally by the panel beating through punching press welding forming, designs into the structure of cavity, but at the in-process of traveling of vehicle, high-speed air current gets into the cavity and forms the vortex in the cavity, can produce the air current noise, thereby also can arouse the resonance of sheet metal component to produce the noise simultaneously, consequently, needs seal the cavity.

In the related art, the expansion block is used for filling and sealing a cavity of an automobile body, the expansion block is provided with a buckle structure, and the buckle structure is in clamping fit with a mounting hole in an automobile body metal plate so as to realize positioning and mounting of the expansion block. However, the expansion block is connected with the automobile body metal plate through the buckle, holes need to be formed in the automobile body metal plate, the sealing performance of the mounting holes is difficult to guarantee, the hole forming cost is high on the hot forming material difficult to form the holes, and the production cost of the automobile is improved.

SUMMERY OF THE UTILITY MODEL

The purpose of the embodiment of the application is to provide an expansion block and vehicle, can solve and connect expansion block and automobile body panel beating through buckle structure among the correlation technique, need set up the mounting hole on the automobile body panel beating, be difficult to guarantee the problem of the sealing performance of mounting hole.

In order to solve the technical problem, the present application is implemented as follows:

the embodiment of the application provides an expansion block is applied to the vehicle, the vehicle includes the automobile body panel beating, the expansion block includes skeleton, first thermal energy material layer and welding, wherein: the first thermal expansion material layer is arranged on the framework, the welding part is fixedly connected to the framework, and the welding part is used for being connected with the automobile body sheet metal in a welding mode.

The embodiment of the application also provides a vehicle which comprises the expansion block.

In the embodiment disclosed in the application, can will expand the piece welding on the automobile body panel beating through the welding, need not set up the mounting hole on the automobile body panel beating, avoid because the sealed not tight problem that leads to the sealed not tight of automobile body cavity of mounting hole, and connect expansion piece and automobile body panel beating through the welded mode, can also reduce the trompil quantity of automobile body, and then reinforcing automobile body intensity. Therefore, the expansion block disclosed by the application can solve the problem that in the related art, the expansion block and the automobile body metal plate are connected through the buckle structure, the installation hole needs to be formed in the automobile body metal plate, and the sealing performance of the installation hole is difficult to guarantee.

Drawings

FIG. 1 is a front view of an expansion block disclosed in an embodiment of the present application;

FIG. 2 is a left side view of an expansion block disclosed in an embodiment of the present application;

fig. 3 is a perspective view of an expansion block disclosed in an embodiment of the present application.

Description of the reference numerals:

100-framework, 110-first convex structure,

210-a first layer of thermally expansive material, 211-a pointed structure, 212-a second raised structure, 220-a second layer of thermally expansive material,

300-welding parts,

400-liquid passing hole.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 1 to 3, an embodiment of the present application discloses an expansion block, and the disclosed expansion block may be applied to a vehicle. The disclosed expansion block includes a skeleton 100, a first layer of thermally expansive material 210, and a weldment 300.

The first thermal expansion material layer 210 is disposed on the framework 100, the welding member 300 is fixedly connected to the framework 100, and the welding member 300 is used for being welded to a vehicle body sheet metal. Alternatively, the first thermal expansion material layer 210 may be a foam material, such as an EVA foam material. Optionally, the frame 100 may be made of nylon. Alternatively, the solder part 300 may be made of metal. Of course, other materials may be used for the frame 100, the first thermal expansion material layer 210 and the welding member 300, and the present application is not limited thereto.

In a specific cavity sealing operation, the welding part 300 and the vehicle body metal plate are welded together by the welding gun, then the first thermal expansion material layer 210 is heated, and the first thermal expansion material layer 210 is foamed to tightly connect the expansion block and the vehicle body metal plate together so as to seal the vehicle body cavity.

In the embodiment disclosed in the application, can weld the inflation piece on the automobile body panel beating through welding piece 300, need not set up the mounting hole on the automobile body panel beating, avoid because the mounting hole seals up the not tight problem that leads to the automobile body cavity to seal up, and connect inflation piece and automobile body panel beating through the welded mode, can also reduce the trompil quantity of automobile body, and then reinforcing automobile body intensity. Therefore, the expansion block disclosed by the application can solve the problem that in the related art, the expansion block and the automobile body metal plate are connected through the buckle structure, the installation hole needs to be formed in the automobile body metal plate, and the sealing performance of the installation hole is difficult to guarantee.

In addition, some materials trompil is more difficult, needs laser trompil, for example, hot forming panel, and this has undoubtedly increased the manufacturing cost and the hole site adjustment degree of difficulty of vehicle, and in this application embodiment, weld the inflation piece in the automobile body panel beating, need not set up the mounting hole, has reduced the manufacturing cost of vehicle and the production degree of difficulty of vehicle.

In addition, many subassemblies need install the inflation piece at present, if use buckle structure to connect inflation piece and automobile body panel beating, there is certain risk of dropping in the inflation piece in the transportation, and the buckle has certain deformation risk in the transportation, and in this application embodiment, weld the inflation piece in the automobile body panel beating, can avoid the problem that the inflation piece dropped in the transportation, and welding piece 300 intensity and hardness are better, also can avoid the problem that the inflation piece dropped in the transportation.

In an alternative embodiment, the plane of the weldment 300 may intersect the plane of the skeleton 100. For example, the plane of the weldment 300 may be perpendicular to the plane of the skeleton 100. In this case, compared to the arrangement mode in which the plane of the welding member 300 is coplanar with the plane of the framework 100, the arrangement mode in which the plane of the welding member 300 intersects with the plane of the framework 100 in the embodiment of the present application can obviously reduce the difficulty in welding the expansion block to the sheet metal of the vehicle body.

In a further embodiment, the number of the welding members 300 is plural, and the plurality of welding members 300 are provided at intervals on the frame 100. For the inflation piece structure that has a welding 300, the inflation piece in this application has a plurality of welding 300, and a plurality of welding 300 all link to each other with the welding of automobile body panel beating, can strengthen the joint strength of inflation piece and automobile body panel beating, and then improve the reliability of vehicle.

In the above embodiments, the first thermal expansion material layer 210 is disposed on the frame 100, and there are various ways to dispose the first thermal expansion material layer 210 on the frame 100, for example, the first thermal expansion material layer 210 may be stacked and connected with the frame 100. Of course, the first thermal expansion material layer 210 and the frame 100 may be disposed in other manners.

In the embodiments disclosed herein, the first thermal expansion material layer 210 may be disposed around the frame 100, that is, the first thermal expansion material layer 210 is disposed on the outer periphery of the frame 100 and distributed around the outer periphery of the frame 100. In this case, the thermal expansion material is disposed on each of the outer peripheries of the frame 100, so that the sealing effect of the cavity can be ensured, the amount of the thermal expansion material can be reduced, and the production cost can be reduced.

In a further embodiment, the first thermal expansion material layer 210 has a pointed structure 211, the pointed structure 211 is disposed at a corner of the framework 100, and the pointed structure 211 corresponds to a corner of the cavity of the vehicle body. The number of the pointed structures 211 can be multiple, and can be adjusted according to the specific shape of the cavity of the vehicle body, which is not limited in the present application. Under the condition, the sealing of the corner part of the cavity can be ensured, and the sealing effect of the cavity is further ensured.

In the embodiments disclosed herein, the backbone 100 is provided with a liquid passing hole 400. The liquid passing hole 400 is used for electrophoresis liquid to pass through. Alternatively, the number of the liquid passing holes 400 may be one or more. Under the condition, the electrophoresis liquid can enter the cavity through the liquid passing hole 400, so that the electrophoresis liquid flows through the cavity part of the vehicle body, the cavity part of the vehicle body has the corrosion resistance, and the vehicle body is further protected.

In order to ensure the sealing performance at the liquid passing hole 400, the expansion block may further include a second thermal expansion material layer 220, and the second thermal expansion material layer 220 is disposed around the liquid passing hole 400. The second thermal expansion material layer 220 may be a foam material, such as an EVA foam material. In this case, the second thermal expansion material layer 220 is heated, and the second thermal expansion material layer 220 is foamed to seal the liquid passing hole 400, thereby ensuring the sealing property of the vehicle body cavity.

In the above-described embodiments, the welding members 300 are connected to the frame 100, and the welding members 300 are connected to the frame 100 in various ways, for example, the welding members 300 and the frame 100 may be connected by screws, or the welding members 300 and the frame 200 may be connected by bonding. Of course, other means of connecting the weldment 300 to the frame 100 are possible.

In the disclosed embodiment, the frame 100 and the weldment 300 are of an integrally formed structure. For example, the frame 100 and the weldment 300 may be injection molded as a unitary structure. In this case, the injection-molded integral structure can enhance the connection strength between the frame 100 and the weld member 300, and improve the reliability of the expansion block, compared to the screw connection or bonding.

In the specific processing process of the expansion block, firstly, the framework 100 and the welding part 300 are molded into an integral structure, and then the integral formed by the framework 100 and the welding part 300 and the first thermal expansion material layer 210 are molded by injection, so that the processing of the expansion block is completed.

In a further embodiment, the frame 100 may further have a first bump structure 110, the first thermal expansion material layer 210 may have a second bump structure 212, and the first bump structure 110 is connected to the second bump structure 212 in an overlapping manner. In this case, the first protruding structure 110 may block a welding hole or other mounting holes on the vehicle body, and the second protruding structure 212 may be heated to foam to seal the connection position between the welding hole or other mounting holes and the first protruding structure 110, so as to seal the welding hole or other mounting holes of the vehicle body.

Based on the expansion block of the embodiment of the application, the embodiment of the application further discloses a vehicle, and the disclosed vehicle comprises the expansion block of the embodiment. The derivation process of the beneficial effect of the vehicle is substantially similar to the derivation process of the beneficial effect brought by the expansion block, and therefore, the description is omitted here.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An expansion block for application to a vehicle comprising a body sheet metal, characterized in that it comprises a skeleton (100), a first layer of thermally expansive material (210) and a weldment (300), wherein: the first thermal expansion material layer (210) is arranged on the framework (100), the welding piece (300) is fixedly connected to the framework (100), and the welding piece (300) is used for being connected with the automobile body sheet metal in a welding mode.

2. Expansion block according to claim 1, characterized in that the plane of the weldment (300) intersects the plane of the skeleton (100).

3. An expansion block according to claim 2, characterized in that the plane of the weldment (300) is perpendicular to the plane of the skeleton (100).

4. The expansion block as claimed in claim 1, wherein said weldment (300) is plural in number, and plural weldments (300) are provided at intervals to said frame (100).

5. An expansion block according to claim 1, characterized in that the first layer (210) of thermally expandable material is arranged around the skeleton (100).

6. An expansion block according to claim 1, characterized in that said first layer (210) of thermal expansion material has pointed structures (211), and in that said pointed structures (211) are provided at the corner positions of said skeleton (100).

7. Expansion block according to claim 1, characterized in that the skeleton (100) is provided with liquid through holes (400).

8. An expansion block according to claim 7, characterized in that it further comprises a second layer of thermally expandable material (220), said second layer of thermally expandable material (220) being arranged around said liquid passage hole (400).

9. The expansion block of claim 1, wherein the skeleton (100) and the weldment (300) are of one-piece construction.

10. A vehicle comprising an expansion mass according to any one of claims 1 to 9.