Metal gasket and electric automobile with same

Abstract

The utility model provides a metal gasket and an electric automobile with the metal gasket, the metal gasket comprises a gasket body, the gasket body comprises a sealing area and a connecting area; wherein a rubber coating is arranged on the surface of the sealing area, a plurality of connecting holes are formed in the connecting area at intervals, a plurality of folding sections which are folded upwards relative to the surface of the connecting area are further arranged on the connecting area at intervals, and a set included angle is formed between each folding section and the surface of the connecting area. The problem that in the prior art, a metal gasket is prone to causing poor electromagnetic compatibility of a motor and an electric driving system of an electric automobile is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine, in particular to a kind of metal gasket and electric vehicle with the metal gasket of it. BACKGROUND

[0002] Metal gasket has wide application in automobile sealing, i.e. in engine, engine peripheral system, gearbox and air conditioner compressor and a variety of working conditions and environment are used in large quantities. In recent years, the market of electric vehicle and hybrid vehicle is more and more big, and there are more and more applications of metal gasket in motor and electric drive system, usually in the connection between various observation window cover plate and shell, or in the connection between shell and shell. The main function of metal gasket is sealing, in order to improve the performance of sealing, rubber coating is usually provided on the surface of the inner side area of metal gasket, and because there are a large number of electronic components in the motor and electric drive system of electric vehicle, the electromagnetic compatibility of motor and electric drive system is required, that is, the electrical conductivity of metal gasket is also required, and the rubber coating on the surface of the inner side area of metal gasket will greatly affect the electrical conductivity of metal gasket, and then lead to poor electromagnetic compatibility of motor and electric drive system. Although, there is a scheme of adding silver ions in the rubber mixing process to improve the electrical conductivity of rubber in the prior art, but the cost of this scheme is very high, and it cannot be applied to automobile gasket parts with low unit price on a large scale. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a kind of metal gasket and electric vehicle with the metal gasket, to solve the problem that metal gasket in prior art easily leads to poor electromagnetic compatibility of motor and electric drive system of electric vehicle.

[0004] To achieve the above-mentioned purpose and other related purposes, one aspect of the utility model provides a kind of metal gasket, including gasket body, the gasket body includes sealing area and connecting area;Wherein, the surface of the sealing area is provided with rubber coating, a plurality of connecting holes are provided on the connecting area, and a plurality of folding sections are also provided on the connecting area, which are folded upwards relative to the surface of the connecting area, the folding section and the surface of the connecting area have a set angle.

[0005] Further, the set angle between the folding section and the surface of the connecting area is 10°-20°.

[0006] Further, the set angle between the folding section and the surface of the connecting area is 15°.

[0007] Further, the material of the rubber coating is nitrile rubber or fluorine rubber.

[0008] The metal gasket has the following beneficial effects: when the metal gasket is used, the metal gasket is clamped between the flange faces of the upper and lower parts, then the metal gasket is fixed by means of the connecting holes in the upper and lower flange faces and the connecting holes in the gasket body, and the sealing of the upper and lower flange faces is realized by means of the sealing area on the gasket body; the folded-up section that is folded up upwards is arranged on the connecting area of the gasket body, so that the folded-up section can tightly connect the upper and lower flange faces, the folded-up section plays a good electrical connection role between the upper and lower flange faces, the electrical conductivity of the metal gasket is improved, and the electromagnetic compatibility problem can be avoided to a great extent; meanwhile, the folded-up section is clamped by the upper and lower flange faces under normal circumstances, the folded-up section is basically in the same horizontal plane as the surface of the connecting area, and when the two flange faces have a gap due to external force or other reasons, the folded-up section will be adapted to be folded up upwards based on the rebound effect, so that the metal gasket can be in contact with the upper and lower flange faces under different working conditions, that is, the electrical connection of the upper and lower flange faces is always ensured, and the electromagnetic compatibility problem can be further prevented.

[0009] In another aspect, the utility model also provides a kind of electric automobile, and the electric automobile includes the metal gasket described above.The beneficial effects of the electric automobile are same with the beneficial effects of the metal gasket described above, so it is not described here. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is shown as the first view of the metal gasket provided by the utility model.

[0011] Figure 2 It is shown as the second view of the metal gasket provided by the utility model.

[0012] Figure 3 It is shown as the metal gasket provided by the utility model Figure 2 The first view of the enlarged A in the middle.

[0013] Figure 4 It is shown as the metal gasket provided by the utility model Figure 2 The second view of the enlarged A in the middle.

[0014] BRIEF DESCRIPTION OF DRAWINGS

[0015] 10 gasket body

[0016] 101 sealing area

[0017] 102 connecting area

[0018] 1021 connecting hole

[0019] 1022 folded-up section DETAILED DESCRIPTION

[0020] According to the description, other advantages and effects of the present application can be easily understood by those skilled in the art. The present application can also be implemented or applied in different specific embodiments, and various modifications or changes can be made based on different views and applications without departing from the spirit of the present application.

[0021] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be direct connection, or connection through intermediate medium, it can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like in the present application are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] Please refer to Figures 1 to 4 It should be pointed out that the diagrams provided in the present embodiment only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the drawings, not according to the number, shape and size of the components in actual implementation. The type, number and proportion of each component in actual implementation can be changed arbitrarily, and the layout pattern of the components can be more complex.

[0024] The present application provides a metal gasket, such as Figures 1 to 4As shown, the metal gasket comprises a gasket body 10, the gasket body 10 comprises a sealing area 101 and a connecting area 102, wherein the surface of the sealing area 101 is provided with a rubber coating, a plurality of connecting holes 1021 are arranged on the connecting area 102 in intervals, the connecting holes 1021 are used for penetrating screws, and a plurality of folded segments 1022 are arranged on the connecting area 102 in intervals and upwardly folded from the surface (i.e. horizontal surface) of the connecting area 102, and the folded segments 1022 have a top included angle with the surface of the connecting area.

[0025] The metal gasket has the following beneficial effects: when the metal gasket is used, the metal gasket is clamped between the flange surfaces of the upper and lower two parts, then the screws are penetrated into the connecting holes on the flange surfaces of the upper and lower two parts and the connecting holes 1021 on the gasket body to realize fixation, the sealing area 101 on the gasket body 10 realizes the sealing of the flange surfaces of the upper and lower two parts, the folded segments 1022 upwardly folded on the connecting area 102 of the gasket body are used for tightly connecting the flange surfaces of the upper and lower two parts, the folded segments 1022 play a good electrical connection role between the flange surfaces of the upper and lower two parts, the electrical conductivity of the metal gasket is improved, and the electromagnetic compatibility problem can be avoided to a great extent; meanwhile, the folded segments 1022 are upwardly folded, under normal circumstances, the folded segments 1022 are clamped by the flange surfaces of the upper and lower two parts, the folded segments 1022 are basically in the same horizontal plane as the surface of the connecting area 102, and when the two flange surfaces have a gap due to external force or other reasons, the folded segments 1022 will be upwardly folded based on the rebound effect, so that the metal gasket can be in contact with the flange surfaces of the upper and lower two parts under different working conditions, that is, the electrical connection of the flange surfaces of the upper and lower two parts is always guaranteed, and the electromagnetic compatibility problem can be further prevented.

[0026] Further, in some embodiments, the set included angle between the folded segments 1022 and the surface (i.e. horizontal plane) of the connecting area 102 is 10°-20°. Of course, it should be noted that the upward folding angle of the folded segments 1022 is not specifically limited in the utility model, and the upward folding angle of the folded segments can be adjusted arbitrarily by those skilled in the art according to actual application conditions, and the width of the folded segments 1022 can also be designed arbitrarily according to actual conditions, mainly to ensure the structural strength and rebound performance of the folded segments 1022.

[0027] As a preferred, in the embodiment, the set included angle between the folded segments 1022 and the surface of the connecting area 102 is 15°. Since the metal gasket also has a sealing function, by setting the upward folding angle of the folded segments 1022 to 15°, the folded segments have a certain structural strength while the sealing effect is not affected.

[0028] Specifically, in the present embodiment, the material of the rubber coating provided in the sealing area 101 is nitrile rubber or fluororubber.

[0029] The electric vehicle comprises the metal gasket, and has the same beneficial effects as the metal gasket.

[0030] In summary, the metal gasket has the sealing function and good electrical conductivity, and can greatly avoid electromagnetic compatibility problems of the motor and the electric drive system of the electric vehicle.

[0031] The above embodiment only illustrates the principle and effect of the metal gasket, and is not used to limit the metal gasket. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the metal gasket. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept of the metal gasket should be covered by the claims of the metal gasket.

Claims

1. A metal gasket, characterized by, Comprising: a gasket body comprising a sealing area and a connecting area; wherein a surface of the sealing area is provided with a rubber coating, a plurality of connecting holes are provided on the connecting area at intervals, and a plurality of folded segments are further provided on the connecting area at intervals and folded upward relative to a surface of the connecting area, the folded segments and the surface of the connecting area having a set angle.

2. The metal gasket according to claim 1, wherein The set angle between the folded segments and the surface of the connecting area is 10°-20°.

3. The metal gasket according to claim 2, wherein The set angle between the folded segments and the surface of the connecting area is 15°.

4. The metal gasket of claim 1, wherein The material of the rubber coating is nitrile rubber or fluororubber.

5. An electric vehicle, characterized by A metal gasket comprising any one of claims 1-4.

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