CN216886914U

CN216886914U - Side wall outer skin covering piece made of composite material of passenger car body

Info

Publication number: CN216886914U
Application number: CN202123276600.5U
Authority: CN
Inventors: 荣毅超; 范传军
Original assignee: Zhejiang Qinghua Yangtze River Delta Military Civilian Collaborative Innovation Research Institute Jiaxing; Jiaxing Deyi New Material Co ltd
Current assignee: Zhejiang Qinghua Yangtze River Delta Military Civilian Collaborative Innovation Research Institute Jiaxing; Jiaxing Deyi New Material Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-05
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a side wall outer skin covering piece made of a composite material of a passenger car body. The utility model comprises the following steps: a skin supporting bracket which is bonded and fixed on the vehicle body and a side wall outer skin which is fixed on the skin supporting bracket. The utility model is composed of the block form and the connection structure of the composite material side wall outer skin, and the design can solve the problem that the skin needs to be expanded and pulled to generate larger prestress during assembly. The novel fireproof light high-strength composite outer skin plate can solve the problems that the metal tension skin has great weight and high cost, and special equipment of a tension machine is required for construction. And such connection structure still has fabulous plane degree, can solve the metal and expand and draw the problem that the skin needs the panel beating maintenance and the difficult assurance of roughness after the maintenance. Unique connection structure and piecemeal mode can promote the pleasing to the eye degree of vehicle, realizes quick maintenance, and reduce cost is applicable to the side wall outer skin covering of all passenger cars, and the range of application is wide.

Description

Side wall outer skin covering piece made of composite material of passenger car body

Technical Field

The utility model relates to a side wall of a passenger car body, belongs to the technical field of rail traffic, and particularly relates to a composite side wall outer skin covering piece of the passenger car body.

Background

Generally, the existing tension skin of the passenger car body covering part is made of metal materials such as steel, aluminum alloy and the like, and the construction scheme for connecting the tension skin is as follows: and after the covering part is subjected to tension, the covering part is fixedly connected with the vehicle body framework in a welding or bonding mode. However, this assembly method requires that the skin is welded or bonded after the skin is elastically deformed due to tension, so as to achieve the requirements of skin flatness and tightness without vibration. That is, the smooth implementation of this approach requires additional tensioning equipment.

And after the skin is assembled, larger prestress exists, which can generate negative influence on the body of the vehicle body framework; moreover, the skin made of metal materials has heavy weight, low corrosion resistance and high cost. When the vehicle has accidents such as friction and the like, the skin friction part is easy to generate plastic deformation, the metal plate repairing cost is high, the flatness cannot be ensured, and generally thicker putty is added to ensure that the plane is complete, so that the vehicle weight is increased, and the service life is shortened.

In view of the above, there is a need to design a side wall outer skin covering piece made of a composite material for a passenger car body to solve the problems that the assembly of a car body structure needs the whole car and is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a block connecting structure of a composite side wall outer skin of a passenger car body, which is time-saving in installation and good in attractive effect.

In order to solve the technical problem, the utility model aims to realize that:

a side wall outer skin covering piece made of a composite material of a passenger car body comprises a skin supporting bracket which is fixedly bonded on the car body and a side wall outer skin which is fixedly arranged on the skin supporting bracket.

The skin support bracket comprises a skin support frame upper bracket, a skin support frame support rod, a skin support frame lower bracket, a skin support frame lower front bracket and a skin support frame lower rear bracket which are matched with the shape of the vehicle body;

the side wall outer skin comprises a front wheel cover plate, a right side skin plate and a right rear wheel cover plate;

a rubber sealing gasket is fixedly bonded on the side wall outer skin, and the side wall outer skin and the rubber sealing gasket are combined to form a sub-assembly;

the rubber sealing gasket comprises a front rubber sealing gasket, a middle rubber sealing gasket and a rear rubber sealing gasket which are matched with the side wall outer skin.

On the basis of the above scheme and as a preferable scheme of the above scheme, the side wall outer skin bonded with the rubber sealing gasket is fixed on the skin support bracket one by using stainless steel screws.

On the basis of the above scheme and as a preferable scheme of the above scheme, the stainless steel screw is an inner hexagonal flower-shaped stainless steel pan head screw.

On the basis of the above scheme and as a preferred scheme of the above scheme, the front wheel cover plate, the right side cover plate and the right rear wheel cover plate of the side wall outer skin are as wide as the side window glass, and the side wall outer skin butt seam corresponds to the side window glass butt seam.

On the basis of the scheme, as a preferable scheme of the scheme, the side wall outer skin and the side window glass are bonded and fixed by adopting epoxy resin, vinyl ester resin, unsaturated resin or low-viscosity resin thereof, so that the fixing is firm, the sealing and vibration damping performance is good, the replacement is quick, and the maintenance is convenient.

On the basis of the scheme, and as a preferable scheme of the scheme, the raw material of the side wall outer skin is a flame-retardant high-strength light composite honeycomb plate or a composite pressing plate.

The utility model has the beneficial effects that: compared with the prior art, the utility model is composed of the composite material side wall outer skin in a blocking form and a connecting structure, and the design can solve the problem that the skin needs to be expanded and pulled to generate larger prestress during assembly. The novel fireproof light high-strength composite outer skin plate can solve the problems that the metal tension skin has great weight and high cost, and special equipment of a tension machine is required for construction. And such connection structure still has fabulous plane degree, can solve the metal and expand and draw the problem that the skin needs the panel beating maintenance and the difficult assurance of roughness after the maintenance. Unique connection structure and piecemeal mode can promote the pleasing to the eye degree of vehicle, realizes quick maintenance, and reduce cost is applicable to the side wall outer skin covering of all passenger cars, and the range of application is wide. The utility model has the characteristics of reasonable structural design, no need of whole vehicle assembly and time-saving installation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a segmented skin view of the structure of the present invention;

FIG. 3 is a view of a skin support bracket of the inventive structure;

FIG. 4 is a view of a rubber seal of the construction of the present invention;

FIG. 5 is a schematic view of a subassembly structure of a combination of a segmented side wall outer skin and a rubber gasket;

FIG. 6 is a cross-sectional view of the attachment of the segmented side wall outer skin to the skin support bracket;

FIG. 7 is a sectional view of a fixed connection structure of a segmented side wall outer skin and a skin support bracket;

FIG. 8 is a schematic view of a structure for fixedly connecting the butt seam of the outer skins of the adjacent block side walls with the skin support brackets;

FIG. 9 is a view of the fixed connection structure of the outer side panel and the panel support bracket.

In the drawings, 1-front wheelhouse panel; 2-side skin panel; 3-rear wheel cover plate; 4, covering a support frame upper bracket; 5-skin support frame support bars; 6-a lower bracket of a skin supporting frame; 7-a lower front bracket of the skin supporting frame; 8, covering a lower back bracket of the supporting frame; 9-front rubber gasket; 10-middle rubber sealing gasket; 11-rear rubber gasket; 12-a subassembly; 13-stainless steel screws; 14-connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

As shown in fig. 1-9, the side wall outer skin covering piece made of the composite material of the passenger car body comprises a skin supporting bracket which is fixedly bonded on the car body and a side wall outer skin which is fixedly arranged on the skin supporting bracket. The skin support bracket comprises a skin support frame upper bracket 4, a skin support frame support rod 5, a skin support frame lower bracket 6, a skin support frame lower front bracket 7 and a skin support frame lower rear bracket 8 which are matched with the shape of the vehicle body; the side wall outer skin comprises a front wheel cover plate 1, a right side skin plate 2 and a right rear wheel cover plate 3; a rubber sealing gasket is fixedly bonded on the side wall outer skin, and the side wall outer skin and the rubber sealing gasket are combined to form a sub-assembly 12; the rubber sealing gasket comprises a front rubber sealing gasket 9, a middle rubber sealing gasket 10 and a rear rubber sealing gasket 11 which are matched with the outer skin of the side wall.

Specifically, as shown in fig. 5, the outer skin of the block-type side wall (e.g., the front wheel house panel 1) and the rubber gasket (e.g., the front rubber gasket 9) are bonded and fixed to form the sub-assembly 12, and the block-type side wall can improve the aesthetic property of the vehicle, realize quick maintenance and reduce the cost. Furthermore, the side wall outer skin is bonded with the corresponding side window glass in a fixing mode, and is not fixed by bolts, so that the convenience of skin replacement can be guaranteed, and the fixing and sealing reliability of the skin is also guaranteed.

Further, the side wall outer skin bonded with the rubber sealing gasket is fixed on the skin supporting bracket one by stainless steel screws 13. Preferably, the side wall outer skin is further fixed with a connecting piece 14, so that the covering pieces can be conveniently connected and fixed. Furthermore, the stainless steel screw 13 is a hexagon socket head stainless steel pan head screw, and the screw bolt ensures the fixing reliability of the utility model. Furthermore, the front wheel cover plate 1, the right side cover plate 2 and the right rear wheel cover plate 3 of the side wall outer skin are equal in width to the side window glass, and the butt joint seam of the side wall outer skin corresponds to the butt joint seam of the side window glass.

Furthermore, the side wall outer skin and the side window glass are bonded and fixed by adopting epoxy resin, vinyl ester resin, unsaturated resin or low-viscosity resin thereof. Preferably, the raw material of the side wall outer skin is a flame-retardant high-strength light composite honeycomb plate or a composite pressboard.

The specific implementation mode of the utility model is as follows: firstly, skin supporting brackets are sequentially bonded and fixed according to the shape structure of a vehicle body, and meanwhile, a front rubber sealing gasket 9, a middle rubber sealing gasket 10 and a rear rubber sealing gasket 11 are correspondingly bonded and fixed on a right front wheel cover plate 1, a right side skin plate 2 and a right rear wheel cover 3 respectively to form a corresponding sub-assembly 12. All the subassemblies 12 are fixed on the skin support bracket by stainless steel screws 13.

The specific working principle of the utility model is as follows:

taking fig. 9 as an example, in the process of connecting and fixing the front wheel cover plate 1 and the right side skin plate 2, firstly, the front rubber gasket 9 and the middle rubber gasket 10 are fixed on the right front wheel cover plate 1 and the right side skin plate 2 in an adhering manner to form a corresponding sub-assembly 12; the corresponding subassemblies 12 are then placed in sequence on the corresponding skin support brackets (skin support frame upper bracket 4 and skin support frame support bar 5), and then the front wheel cover plate 1 and the right side skin plate 2 are bonded by the connecting piece 14 and fixed by the stainless steel screw 13. And finally, sequentially connecting and fixing the fixed side wall outer skin according to the sequence of the front wheel cover plate 1, the right side skin plate 2 and the right rear wheel cover plate 3, and finishing the manufacture of the covering piece.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a passenger train automobile body combined material side wall outer skin covering, includes that the bonding fixes the covering on the automobile body and supports the bracket and fix the outer covering of side wall on covering supports the bracket, its characterized in that:

the skin support bracket comprises a skin support frame upper bracket (4), a skin support frame support rod (5), a skin support frame lower bracket (6), a skin support frame lower front bracket (7) and a skin support frame lower rear bracket (8) which are matched with the shape of the vehicle body;

the side wall outer skin comprises a front wheel cover plate (1), a right side skin plate (2) and a right rear wheel cover plate (3);

a rubber sealing gasket is fixedly bonded on the side wall outer skin, and the side wall outer skin and the rubber sealing gasket are combined to form a sub-assembly (12);

the rubber sealing gasket comprises a front rubber sealing gasket (9), a middle rubber sealing gasket (10) and a rear rubber sealing gasket (11) which are matched with the outer skin of the side wall.

2. The passenger vehicle body composite side wall outer skin covering according to claim 1, wherein the rubber gasket-bonded side wall outer skin is fixed to the skin support bracket piece by piece using stainless steel screws (13).

3. The side wall outer skin covering of a composite material for a passenger car body according to claim 2, wherein the stainless steel screw (13) is a hexagon socket head screw.

4. The side wall outer skin covering piece of composite material for the passenger car body according to claim 1, characterized in that the front wheel cover plate (1), the right side cover plate (2) and the right rear wheel cover plate (3) of the side wall outer skin are as wide as the side window glass, and the side wall outer skin butt seam corresponds to the side window glass butt seam.

5. The side wall outer skin covering piece made of composite materials of the passenger car body according to claim 1, characterized in that the raw material of the side wall outer skin is a flame-retardant high-strength light composite honeycomb board or a composite pressed board.