Mounting bracket and electric automobile

By setting up multiple installation structures and pre-positioning holes with different structures on the main body of the bracket, the problem that existing installation brackets can only be installed with one type of charging sockets is solved, and the stable adaptation of multiple sockets is achieved, which improves versatility and scope of application.

CN223237389UActive Publication Date: 2025-08-19HOZON NEW ENERGY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202422494972.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-19
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The existing mounting bracket can only install one type of charging socket, which is poor in versatility and cannot be adapted to many different types of charging sockets.

Method used

At least two different mounting structures are arranged around the opening on the bracket body, each mounting structure can be equipped with a charging socket, and the stable installation of different types of sockets is ensured through the differential design of the pre-positioning holes and the positioning holes.

Benefits of technology

It improves the versatility and compatibility of the mounting bracket, can be adapted to a variety of different types of charging sockets, and expands the scope of application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mounting bracket and an electric automobile, and relates to the technical field of automobile charging. The mounting bracket comprises a bracket main body and at least two mounting structures, and an opening is formed in the bracket main body; the at least two mounting structures are arranged on the bracket main body, and the mounting structures are arranged around the opening; wherein each mounting structure can be used for mounting one charging socket, and the structures of the mounting structures are different. According to the technical scheme, the mounting bracket can be adapted to various different types of charging sockets, so that the universality and the application range of the mounting bracket are improved.
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Description

Technical Field

[0001] The present disclosure relates to the technical field of automobile charging, and in particular to a mounting bracket and an electric vehicle. Background Art

[0002] With the rapid development of electric vehicles, most car body sides are equipped with openings for installing charging assemblies, which can be charged by inserting a charging gun.

[0003] The charging assembly includes a mounting bracket and a charging socket. The mounting bracket is generally connected to the vehicle body by screwing and welding, and charging sockets of different standards use vehicle body mounting brackets of different structures.

[0004] However, the mounting bracket can only be used to mount one type of charging socket, and has poor versatility. Utility Model Content

[0005] The purpose of the embodiments of the present disclosure is to provide a mounting bracket and an electric vehicle, so that the mounting bracket can be adapted to a variety of different types of charging sockets, thereby improving its versatility and scope of application.

[0006] To solve the above technical problems, the present disclosure provides the following technical solutions:

[0007] A first aspect of the present disclosure provides a mounting bracket, comprising:

[0008] A bracket body, wherein the bracket body is provided with an opening;

[0009] At least two mounting structures, at least two mounting structures are arranged on the bracket body, and the mounting structures are arranged around the opening;

[0010] Each mounting structure can be installed with a charging socket, and the structure of each mounting structure is different.

[0011] In some modified embodiments of the first aspect of the present disclosure, the mounting structure includes at least two pre-positioning holes, and the at least two pre-positioning holes are arranged on two opposite sides of the opening, and the pre-positioning holes of each mounting structure are different.

[0012] In some modified embodiments of the first aspect of the present disclosure, the mounting structure further includes a first mounting positioning hole and a second mounting positioning hole, and the first mounting positioning hole and the second mounting positioning hole are arranged on opposite sides of the opening.

[0013] In some modified embodiments of the first aspect of the present disclosure, the first installation positioning hole is a circular through hole, and the second installation positioning hole is an elliptical through hole.

[0014] In some modified embodiments of the first aspect of the present disclosure, the mounting structure further includes a plurality of mounting holes, which are arranged around the opening, and the apertures of the mounting holes are larger than the apertures of the first mounting positioning hole and the second mounting positioning hole.

[0015] In some modified embodiments of the first aspect of the present disclosure, the at least two mounting structures include a first mounting structure and a second mounting structure;

[0016] The at least two pre-positioning holes of the first mounting structure include a first pre-positioning hole and a second pre-positioning hole, the first pre-positioning hole and the second pre-positioning hole are respectively mounted on a first side and a second side of the opening, the first side and the second side being opposite sides;

[0017] The at least two pre-positioning holes of the second mounting structure include two third pre-positioning holes, the two third pre-positioning holes are symmetrically arranged, and the two third pre-positioning holes are respectively arranged on the third side and the fourth side of the opening;

[0018] The first side and the second side are perpendicular to the third side and the fourth side.

[0019] In some modified embodiments of the first aspect of the present disclosure, the first pre-positioning hole is a square through hole, and the second pre-positioning hole is a circular through hole.

[0020] In some modified embodiments of the first aspect of the present disclosure, the third pre-positioning hole is a square through hole, and the third pre-positioning hole is connected to the opening.

[0021] In some modified embodiments of the first aspect of the present disclosure, a first aqueduct is provided on the first side of the opening, and a second aqueduct is provided on the second side of the opening.

[0022] A second aspect of the present disclosure provides an electric vehicle comprising the above-mentioned mounting bracket.

[0023] Compared with the prior art, the mounting bracket provided in the first aspect of the present disclosure has at least two mounting structures arranged around the opening on the bracket body, and each mounting structure has a different structure, so that different mounting structures can be installed with different charging sockets, thereby making it possible to install charging sockets of different standards on the same mounting bracket by using different mounting structures, thereby improving the versatility, compatibility and scope of application of the bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0025] Figure 1Schematically shows a structural diagram of a mounting bracket;

[0026] Figure 2 Schematically shows a front view of a mounting bracket;

[0027] Figure 3 Schematically shows a structural diagram of a mounting bracket at another angle;

[0028] Figure 4 A schematic diagram of the installation structure of a mounting bracket is shown schematically;

[0029] Figure 5 Schematically shows a structural diagram of a mounting bracket for mounting a type of charging socket;

[0030] Figure 6 Schematically shows a structural diagram of a mounting bracket for mounting another type of charging socket;

[0031] Description of Figure Numbers:

[0032] 1. Bracket body; 2. Opening; 21. First aqueduct; 22. Second aqueduct; 3. Mounting structure; 4. Main positioning hole; 5. Secondary positioning hole 5; 6. First mounting structure; 61. First hole; 62. First pre-positioning hole; 63. Second hole; 64. Second pre-positioning hole; 7. Second mounting structure; 71. Third hole; 72. Third pre-positioning hole; 73. Fourth hole; 8. Mounting hole; 81. First mounting hole; 82. Second mounting hole; 83. Third mounting hole; 84. Fourth mounting hole; 9. Right column inner panel; 10. Rear connecting plate of rear wheel housing outer panel; 11. Wheel housing outer panel; 12. Right sill rear connecting plate; 13. National standard charging socket; 14. European standard charging socket; 15. First mounting positioning hole; 16. Second mounting positioning hole. DETAILED DESCRIPTION

[0033] The following embodiments of the present disclosure are further described in detail with reference to the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are intended to illustrate the principles of the present disclosure, but are not intended to limit the scope of the present disclosure. The present disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but rather includes all technical solutions within the scope of the claims.

[0034] The present disclosure provides these embodiments in order to make this disclosure thorough and complete, and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specifically stated, the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be interpreted as merely exemplary, and not as limiting.

[0035] It should be noted that, in the description of this disclosure, unless otherwise specified, "plurality" means greater than or equal to two; terms such as "upper," "lower," "left," "right," "inner," and "outer" indicating directions or positional relationships are intended solely to facilitate and simplify the description of this disclosure, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this disclosure. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0036] In addition, the terms "first," "second," and similar terms used in this disclosure do not denote any order, quantity, or importance, but are merely used to distinguish different parts. "Perpendicular" does not mean perpendicular in the strict sense, but rather means within the tolerance range. "Parallel" does not mean parallel in the strict sense, but rather means within the tolerance range. "Include" or "comprising" and similar terms mean that the elements preceding the term include the elements listed after the term, and do not exclude the possibility of also including other elements.

[0037] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this disclosure depending on the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intervening device between the specific device and the first or second device.

[0038] All terms used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in, for example, common dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or highly formal sense, unless explicitly defined as such herein.

[0039] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0040] With the rapid development of electric vehicles, most vehicle body panels have openings for mounting charging assemblies, which can be charged by inserting a charging plug. The charging assembly consists of a mounting bracket and a charging socket. The mounting bracket is typically attached to the vehicle body through screws or welding. Different charging sockets of different standards require different body mounting bracket structures. However, the mounting bracket can only accommodate one type of charging socket, making it less versatile.

[0041] In order to solve the above technical problems, the present disclosure proposes a mounting bracket and an electric vehicle, so that the mounting bracket can be adapted to a variety of different types of charging sockets, thereby improving its versatility and scope of application.

[0042] Example 1

[0043] like Figure 1 、 Figure 2 and Figure 3 As shown, a mounting bracket includes a bracket body 1 and at least two mounting structures 3, wherein the bracket body 1 is provided with an opening 2; at least two mounting structures 3 are provided on the bracket body 1, and the mounting structures 3 are provided around the opening 2; wherein each mounting structure 3 can be installed with a charging socket, and the structure of each mounting structure 3 is different.

[0044] The bracket body 1 refers to a basic structure for supporting and fixing the charging socket. It needs to have sufficient strength to support the charging socket installed on it. Specifically, the bracket can be a flat plate, similar to a tablet, on which various accessories can be installed. The bracket can also be annular or circular, with better symmetry, which is convenient for central symmetrical layout. The specific shape of the bracket body 1 can be adjusted according to its installation position, and the specific shape of the bracket body 1 is not limited. The structure of the bracket body 1 can be one-piece molded, that is, a single structure manufactured by a mold, which has higher strength. The bracket body 1 can also be composed of several detachable parts for easy transportation and subsequent maintenance. The bracket body 1 can also be set to a foldable structure, which can be folded and stored to save space. The bracket body 1 can be made of metal, plastic or other composite materials.

[0045] The shape of opening 2 matches the outer shape of the charging socket. Specifically, opening 2 can be circular, rectangular, or oval, or any other shape that matches the charging socket. More specifically, the socket can be secured using slots or clips on the edge of opening 2, facilitating quick installation and removal. Threaded holes can also be provided around opening 2 to allow screws to secure the socket to the bracket. A relatively elastic material can also be used around opening 2 to allow for a certain amount of compression when the socket is inserted, achieving a tight fit.

[0046] Mounting structure 3 refers to a mechanism or system used to secure and position the charging socket. It can be part of a bracket and is used to ensure that the mounted component, namely the charging socket, is stably fixed in its predetermined position and can withstand certain external forces without displacement or damage. Specifically, mounting structure 3 can be a mounting system consisting of a series of bolt holes and positioning structures. The charging socket is positioned using the positioning structures and bolts are inserted through the bolt holes to install the charging socket into the charging port. More specifically, mounting structure 3 can also include clips or slots, or adhesive structures to facilitate the installation of the charging socket.

[0047] Compared with the prior art, the mounting bracket provided in the first aspect of the present disclosure has at least two mounting structures 3 arranged around the opening 2 on the bracket body 1, and each mounting structure 3 has a different structure, so that different mounting structures 3 can be installed with different charging sockets, thereby making it possible to install charging sockets of different standards on the same mounting bracket by using different mounting structures 3, thereby improving the versatility, compatibility and scope of application of the bracket.

[0048] In some modified embodiments of the present disclosure, the mounting structure 3 includes at least two pre-positioning holes, at least two of which are arranged on opposite sides of the opening 2, and the pre-positioning holes of each mounting structure 3 are different. This design is intended to enable different types of charging sockets to be fixed through their specific pre-positioning holes, ensuring that different types of sockets are installed differently to accommodate their specific sizes and shapes. The different pre-positioning holes of each mounting structure 3 means that at least one of the position, size, shape or number of these holes varies between different mounting structures 3. The purpose of this design is to accommodate charging sockets of different types or specifications and ensure that each socket can be correctly and securely mounted on the bracket.

[0049] Pre-positioning holes are holes used for pre-positioning during the installation of the charging base, allowing components to be quickly and accurately secured in the correct position. Pre-positioning holes provide fixed reference points for more precise installation. Through these holes, screws or other fasteners can be used to securely fasten the socket to the bracket. Different pre-positioning hole designs allow different socket types to be accurately installed in their designated locations, preventing misplacement or unstable installation. Pre-positioning holes are located on opposite sides of the opening 2, helping to distribute force and provide a more stable socket after installation. For example, one or two pre-positioning holes can be placed on one side and one or two on the other side, creating a symmetrical distribution. The pre-positioning holes on each mounting structure 3 can be of different sizes to accommodate different-sized fixing screws or pins. For example, a mounting structure 3 can be designed with a larger diameter hole and a smaller diameter hole. In addition to at least two pre-positioning holes, more pre-positioning holes can be added as needed to further enhance the stability of the fixing. Pre-positioning holes can be used in conjunction with screws, nuts, or locating members on the charging socket to secure the socket. The size of the pre-positioning holes can be determined based on these locating members. The material around the pre-positioning hole has sufficient hardness and toughness to withstand the pressure of the positioning member while avoiding wear or deformation after long-term use.

[0050] In some modified embodiments of the present disclosure, the mounting structure 3 further includes a first mounting locating hole 15 and a second mounting locating hole 16, which are disposed on opposite sides of the opening 2. The first mounting locating hole 15 and the second mounting locating hole 16 are the first holes installed during the installation process. These holes provide a positioning reference and fixing point during the installation process, preventing the charging socket from shifting during subsequent installation. The first mounting locating hole 15 and the second mounting locating hole 16 are disposed on opposite sides of the opening 2, respectively. This ensures that the charging socket is evenly stressed during installation, preventing instability or tilting that may result from unilateral fixing.

[0051] Specifically, each mounting structure 3 can be provided with a first mounting positioning hole 15 and a second mounting positioning hole 16. That is, different sockets can use different mounting positioning hole configurations to better accommodate different types of charging sockets. Alternatively, multiple mounting structures 3 can share a single first mounting positioning hole 15 or second mounting positioning hole 16, thereby reducing the number of openings in the bracket body 1 and improving the overall strength of the bracket body 1.

[0052] More specifically, the diameters of the first and second mounting holes 15, 16 must match the size of the fixings (e.g., screws) used to ensure they can smoothly pass through the holes and securely engage with the bracket body 1. The depths of the first and second mounting holes 15, 16 must also be appropriate. Too shallow a hole may prevent the fixings from being fully embedded, while too deep a hole may compromise the bracket's structural strength. The distance between the first and second mounting holes 15, 16 should match the corresponding holes on the socket to ensure the socket is properly installed in opening 2.

[0053] In some modified embodiments of the present disclosure, the first mounting positioning hole 15 is a circular through-hole, and the second mounting positioning hole 16 is an elliptical through-hole. The circular through-hole is used to secure screws or other circular fasteners, ensuring that the fasteners are accurately aligned and pass through the holes, thereby achieving precise positioning and secure fixation. The circular through-hole, as the first mounting positioning hole 15, primarily serves to provide a fixed positioning reference point, ensuring accurate alignment of the charging socket during installation. An elliptical through-hole has an elliptical cross-section. Compared to a circular hole, an elliptical through-hole has a greater tolerance in certain directions. The design of the elliptical through-hole allows for a certain amount of adjustment during installation, especially when fine-tuning the position. It allows the fasteners to move within a certain range, thus accommodating different installation conditions or slight positional deviations. The circular through-hole provides a precise positioning reference, while the elliptical through-hole provides a certain range of adjustment capability. The combination of the two allows for both precise and flexible installation. The provision of the elliptical through-hole enables the mounting structure 3 to adapt to different installation environments or equipment, ensuring smooth installation even with slight dimensional deviations. The combined use of the first installation positioning hole 15 and the second installation positioning hole 16 can ensure that the socket is more stable after installation, and reduce loosening or falling off caused by improper installation.

[0054] In some modified embodiments of the present disclosure, the mounting structure 3 further includes a plurality of mounting holes 8, and the plurality of mounting holes 8 are arranged around the opening 2, and the aperture of the mounting holes 8 is larger than the aperture of the first mounting positioning hole 15 and the second mounting positioning hole 16. The larger aperture of the plurality of mounting holes 8 allows screws or other fixings to adjust their positions within a certain range to accommodate the installation requirements of different sockets or slight deviations during the installation process. The plurality of mounting holes 8 are arranged around the opening 2, and this layout can provide all-round support to ensure that the socket is effectively fixed in all directions. The number of mounting holes 8 can be adjusted as needed to accommodate sockets of different sizes and weights to ensure their stability after installation.

[0055] In some modified embodiments of the present disclosure, at least two mounting structures 3 include a first mounting structure 6 and a second mounting structure 7; the at least two pre-positioning holes of the first mounting structure 6 include a first pre-positioning hole 62 and a second pre-positioning hole 64, and the first pre-positioning hole and the second pre-positioning hole are respectively installed on the first side and the second side of the opening 2, and the first side and the second side are opposite sides; the at least two pre-positioning holes of the second mounting structure 7 include two third pre-positioning holes 72, and the two third pre-positioning holes 72 are symmetrically arranged, and the two third pre-positioning holes 72 are respectively arranged on the third side and the fourth side of the opening 2; wherein the first side and the second side are perpendicular to each other and the third side and the fourth side.

[0056] The first pre-positioning hole 62 is installed on the first side of the opening 2, and the second pre-positioning hole 64 is installed on the second side of the opening 2, with these two sides being opposite each other. This design allows the socket to be securely fixed through the two positioning holes and ensures that the socket can be accurately installed in the designated position. Specifically, the first pre-positioning hole 62 can be a square through-hole, and the second pre-positioning hole 64 can be a circular through-hole. This allows the first pre-positioning hole 62 and the second pre-positioning hole 64 to adapt to the positioning structure of the European-standard charging socket 14, thereby allowing the first mounting structure 6 to be installed with the European-standard charging socket 14.

[0057] The two third pre-positioning holes 72 are symmetrically arranged, located on the third and fourth sides of the opening 2, respectively, and on opposite sides. This symmetrical design provides balanced securing force, making the socket more stable after installation. More specifically, the third pre-positioning holes 72 are square through-holes. They communicate with the opening 2, thereby connecting the two pre-positioning holes to form a third slot-shaped structure. This allows the third pre-positioning holes 72 to adapt to the positioning structure of the national standard charging socket 13, thereby allowing the second mounting structure 7 to accommodate the national standard charging socket 13. In other words, by configuring the first mounting structure 6 and the second mounting structure 7 to respectively accommodate the European standard charging socket 14 and the national standard charging socket 13, the mounting bracket can accommodate both the European standard charging socket 14 and the national standard charging socket 13, thereby increasing the mounting bracket's compatibility. More specifically, the bracket body can also be equipped with a mounting structure for a US standard charging socket, allowing the bracket to accommodate US standard charging sockets.

[0058] More specifically, if Figure 4 As shown, the mounting holes 8 may include a first mounting hole 81, a second mounting hole 82, a third mounting hole 83, and a fourth mounting hole 84. The first mounting hole 81 and the fourth mounting hole 84 belong to the first mounting structure 6, and the second mounting hole 82 and the third mounting hole 83 belong to the second mounting structure 7, thereby enabling the installation of charging sockets of different standards.

[0059] More specifically, if Figure 2 and Figure 4As shown, the first mounting structure 6 may include a first hole 61 and a second hole 63; the second mounting structure 7 may include a third hole 71 and a fourth hole 73. The third hole 71 and the fourth hole 73 may have the same structure as the first hole 61 and the second hole 63, and may be arranged near the first hole 61 and the second hole 63, respectively.

[0060] In some modified embodiments of the present disclosure, a first aqueduct 21 is provided on the first side of the opening 2, and a second aqueduct 22 is provided on the second side of the opening 2. The aqueduct refers to a groove-shaped structure reserved on the mounting structure 3. The aqueduct can prevent the charging socket from interfering with the bracket body 1 or other components during the installation process. The first aqueduct 21 and the second aqueduct 22 are respectively provided on opposite sides of the opening 2. Such a layout can ensure that there is sufficient aqueduct space in both directions, making the installation more flexible. The width and length of the aqueduct need to be designed according to actual installation requirements, to ensure sufficient aqueduct space and to ensure the stability of the structure.

[0061] In some modified embodiments of the present disclosure, a main positioning hole 4 and a secondary positioning hole 5 are further provided on the bracket body 1, and the bracket can be installed on the body of the electric vehicle through the main positioning hole 4 and the secondary positioning hole 5.

[0062] Example 2

[0063] like Figure 4 、 Figure 5 and Figure 6 As shown, the second aspect of the present disclosure provides an electric vehicle, comprising the above-mentioned mounting bracket, and further comprising a rear connecting plate 10 of a rear wheelhouse outer panel 11, a right pillar inner panel 9, a right sill rear connecting plate 12, and a wheelhouse outer panel 11. The mounting bracket is disposed in a space enclosed by the outer panel rear connecting plate, the right pillar inner panel 9, the right sill rear connecting plate 12, and the wheelhouse outer panel 11, and is welded to the above-mentioned structure.

[0064] The present disclosure provides at least two mounting structures 3 around the opening 2 on the bracket body 1, and each mounting structure 3 has a different structure, so that different mounting structures 3 can be installed with different charging sockets. Furthermore, by using different mounting structures 3, charging sockets of different standards can be installed on the same mounting bracket, thereby improving the versatility, compatibility and scope of application of the bracket.

[0065] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A mounting bracket, characterized in that: include: a bracket body, wherein the bracket body is provided with an opening; At least two mounting structures, the at least two mounting structures are arranged on the bracket body, and the mounting structures are arranged around the opening; Each of the mounting structures can be installed with a charging socket, and the structure of each of the mounting structures is different.

2. The mounting bracket according to claim 1, wherein: The mounting structure includes at least two pre-positioning holes, which are arranged on two opposite sides of the opening, and the pre-positioning holes of each mounting structure are different.

3. The mounting bracket according to claim 2, wherein: The mounting structure further includes a first mounting positioning hole and a second mounting positioning hole, and the first mounting positioning hole and the second mounting positioning hole are arranged on two opposite sides of the opening.

4. The mounting bracket according to claim 3, wherein: The first installation positioning hole is a circular through hole, and the second installation positioning hole is an elliptical through hole.

5. The mounting bracket according to claim 3, wherein: The mounting structure further includes a plurality of mounting holes, which are arranged around the opening, and the diameters of the mounting holes are larger than the diameters of the first mounting positioning hole and the second mounting positioning hole.

6. The mounting bracket according to claim 2, wherein: The at least two mounting structures include a first mounting structure and a second mounting structure; The at least two pre-positioning holes of the first mounting structure include a first pre-positioning hole and a second pre-positioning hole, the first pre-positioning hole and the second pre-positioning hole are respectively mounted on a first side and a second side of the opening, the first side and the second side being opposite sides; The at least two pre-positioning holes of the second mounting structure include two third pre-positioning holes, the two third pre-positioning holes are symmetrically arranged, and the two third pre-positioning holes are respectively arranged on the third side and the fourth side of the opening; The first side and the second side are perpendicular to the third side and the fourth side.

7. The mounting bracket according to claim 6, wherein: The first pre-positioning hole is a square through hole, and the second pre-positioning hole is a circular through hole.

8. The mounting bracket according to claim 6, wherein: The third pre-positioning hole is a square through hole, and the third pre-positioning hole is communicated with the opening.

9. The mounting bracket according to claim 7, wherein: A first aqueduct is provided on the first side of the opening, and a second aqueduct is provided on the second side of the opening.

10. An electric vehicle, characterized in that: Comprising the mounting bracket according to any one of claims 1-9.