Keel frame connecting piece

Abstract

The utility model discloses a keel frame connecting piece, and relates to the technical field of electric vehicle keel frames. The keel frame connecting piece comprises an electric vehicle keel frame. The surface of the tail box support limiting support is fixedly connected with a first electric vehicle tail box support, and a movable plate is arranged at the lower end of the first electric vehicle tail box support. Two first sliding grooves are formed in the surface of the movable plate, the lower end of the first electric vehicle trunk support is fixedly connected with a movable plate limiting frame, and the upper end of the movable plate is fixedly connected with a second electric vehicle trunk support; the movable plate slides below the first electric vehicle tail box support, the distance between the second electric vehicle tail box support and the first electric vehicle tail box support can be conveniently adjusted, the electric vehicle tail box support can adapt to trunks or take-out boxes of different sizes and shapes, diversified use requirements of users are met, the second electric vehicle tail box support is prevented from loosening in the use process, and the service life of the second electric vehicle tail box support is prolonged. Therefore, the riding experience and the riding safety of the user are improved, and the practicability of the electric vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle keel frames, in particular to a keel frame connecting piece. Background Art

[0002] Nowadays, convenient, fast and cost-effective two-wheeled electric vehicles are becoming more and more popular among people. This type of transportation has become the mainstream product of current means of transportation. With the rise and popularization of the food delivery industry, two-wheeled electric vehicles have also become a must-have means of transportation for food delivery workers.

[0003] In daily life, as the functional requirements for electric vehicles vary, the trunk can be used to temporarily store helmets, personal belongings, etc., while if the function of takeout is required, a takeout box fixing rack will be installed.

[0004] Currently, the rear brackets of most electric vehicles on the market have a single function and structure, and the installation size, hole position, and height of the electric vehicle bracket also vary with the changes in the vehicle body. The basic feature is "1:3", that is, a specific size of trunk bracket is paired with a specific model. Due to the fixed size, if the size of the trunk bracket does not match the trunk, the trunk may be installed unstable, easy to shake or fall off, which limits the user's choice and usage needs, and affects the user experience and driving safety. For this reason, the utility model proposes a new solution. Utility Model Content

[0005] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a keel frame connector that can solve the problem that due to the fixed size, if the size of the tail box bracket does not match the trunk, the trunk may be installed unstable, easy to shake or fall off, limiting the user's choice and usage needs, and affecting the user experience and driving safety.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a keel frame connector, comprising an electric vehicle keel frame;

[0007] The tail box connection assembly is arranged at the rear end of the electric vehicle dragon frame, and the tail box connection assembly includes a tail box bracket limiting bracket, the tail box bracket limiting bracket is fixedly connected to the surface of the electric vehicle dragon frame, and the surface of the tail box bracket limiting bracket is fixedly connected to the first electric vehicle tail box bracket, the first electric vehicle tail box bracket is "L" shaped, and the lower end of the first electric vehicle tail box bracket is provided with a movable plate;

[0008] Two first slide grooves are provided on the surface of the movable plate, the lower end of the first electric vehicle trunk bracket is fixedly connected to the movable plate limiting frame, the movable plate is slidably connected to the movable plate limiting frame, the movable plate limiting frame is slidably connected to the two first slide grooves, and the upper end of the movable plate is fixedly connected to the second electric vehicle trunk bracket;

[0009] The upper end of the movable plate is fixedly connected to two sliding blocks, and the surface of the first electric vehicle tail box bracket is provided with two second sliding grooves, and the two sliding blocks are respectively slidably connected to the corresponding second sliding grooves.

[0010] Preferably, a plurality of limiting holes are provided on the surface of the movable plate, and two limiting holes are also provided on the surface of the movable plate limiting frame;

[0011] A plurality of trunk mounting holes are provided on the surface of the first electric vehicle trunk bracket, and two trunk mounting holes are also provided on the surface of the second electric vehicle trunk bracket.

[0012] Preferably, a seat bucket bracket is fixedly connected to the inner side of the electric vehicle keel frame, and a lock plate bracket is fixedly connected to the inner side of the electric vehicle keel frame.

[0013] Preferably, a controller mounting plate is fixedly connected to the inner side of the electric vehicle keel frame.

[0014] Preferably, two battery box brackets are fixedly connected to the lower end of the electric vehicle dragon frame, a battery box is provided on the inner side of the electric vehicle dragon frame, and the two battery boxes are fixedly connected to the battery box.

[0015] Preferably, battery box ear plates are fixedly connected to the left and right sides of the battery box respectively, and the upper ends of the two battery box ear plates are connected to two battery limit frames through fixing bolts.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The keel frame connector slides under the first electric vehicle trunk bracket through the movable plate, which is convenient for adjusting the distance between the second electric vehicle trunk bracket and the first electric vehicle trunk bracket. It can adapt to trunks or takeout boxes of different sizes and shapes to meet the diverse usage needs of users. The movable plate limit frame and the limiting holes on the surface of the movable plate can facilitate the fixing of the distance between the first electric vehicle trunk bracket and the second electric vehicle trunk bracket to prevent the second electric vehicle trunk bracket from loosening during use, ensure the stable installation of the trunk, reduce the risk of shaking or falling off, thereby improving the user's riding experience and driving safety, and improving the practicality of the electric vehicle.

[0018] 2. The keel frame connector supports the battery box through the battery box bracket. The battery box bracket can significantly enhance the structural stability of the battery box and the entire battery pack, especially when there are a large number of battery cells, to prevent the structure from being loose. The use of the battery box ear plate and the battery limit frame can effectively improve the installation stability of the battery in the battery box, ensuring that the battery will not shift or fall off due to vibration during driving. The battery limit frame, as a part of the battery box, plays a role in supporting and protecting the battery, preventing the battery from being damaged by external collision or extrusion, ensuring the safe use of the battery, thereby extending the battery life and improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a structural diagram of a keel frame connector of the utility model;

[0021] Figure 2 This is a schematic diagram of the battery box bracket of the utility model;

[0022] Figure 3 This is a schematic diagram of the battery box of the utility model;

[0023] Figure 4 For this utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0024] Figure numerals: 1. electric vehicle keel frame; 2. seat bucket bracket; 3. lock plate bracket; 4. controller mounting plate; 5. trunk bracket limit bracket; 6. battery box; 7. first electric vehicle trunk bracket; 8. movable plate; 9. second electric vehicle trunk bracket; 10. movable plate limit bracket; 11. first slide groove; 12. limit hole; 13. trunk mounting hole; 14. slider; 15. second slide groove; 16. battery box bracket; 17. battery box ear plate; 18. battery limit bracket. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0027] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] See also Figure 1-4 The utility model provides a technical solution: a keel frame connecting piece, including an electric vehicle keel frame 1, a tail box connecting assembly, the tail box connecting assembly is arranged at the rear end of the electric vehicle keel frame 1, the tail box connecting assembly includes a tail box bracket limiting bracket 5, the tail box bracket limiting bracket 5 is fixedly connected to the surface of the electric vehicle keel frame 1, the surface of the tail box bracket limiting bracket 5 is fixedly connected to the first electric vehicle tail box bracket 7, the first electric vehicle tail box bracket 7 is "L" shaped, the lower end of the first electric vehicle tail box bracket 7 is provided with a movable plate 8, the surface of the movable plate 8 is provided with two first slide grooves 11, the lower end of the first electric vehicle tail box bracket 7 is fixedly connected with a movable plate limiting frame 10, the movable plate 8 is slidably connected to the movable plate limiting frame 10, the movable plate limiting frame 10 is slidably connected to the two first slide grooves 11, the upper end of the movable plate 8 is fixedly connected to the second electric vehicle tail box bracket 9, the upper end of the movable plate 8 is fixedly connected to two sliders 14, the surface of the first electric vehicle tail box bracket 7 is provided with two second slide grooves 15, and the two sliders 14 are slidably connected to the corresponding second slide grooves 15 respectively.

[0030] A plurality of limiting holes 12 are provided on the surface of the movable plate 8, and two limiting holes 12 are also provided on the surface of the movable plate limiting frame 10. A plurality of trunk mounting holes 13 are provided on the surface of the first electric vehicle trunk bracket 7, and two trunk mounting holes 13 are also provided on the surface of the second electric vehicle trunk bracket 9.

[0031] A seat bucket bracket 2 is fixedly connected to the inner side of the electric vehicle keel frame 1 , and a lock plate bracket 3 is fixedly connected to the inner side of the electric vehicle keel frame 1 .

[0032] The bucket support 2 is usually made of metal and has a high load-bearing capacity and durability. It can provide stable support for items placed in the bucket, ensuring that the items will not shake or fall during driving, thereby improving the practicality and user experience of the electric vehicle.

[0033] By combining the lock plate bracket 3 with the lock bolt and other accessories, the electric vehicle can be protected from moving, prying and shearing, thereby improving the safety of the electric vehicle, preventing theft and enhancing the safety of the electric vehicle.

[0034] Through the joint action of the seat tub bracket 2 and the lock plate bracket 3, the electric vehicle keel frame 1 can be firmly supported, which can ensure the stability and firmness of the electric vehicle keel frame 1 structure. It helps to tightly connect the various parts of the electric vehicle keel frame 1 together to form a whole, thereby bearing the weight and load of the vehicle, enhancing the stability of the electric vehicle during driving, and preventing safety hazards caused by unstable frame structure.

[0035] A controller mounting plate 4 is fixedly connected to the inner side of the electric vehicle keel frame 1 .

[0036] The controller mounting plate 4 can ensure that the controller is firmly installed on the electric vehicle keel frame 1 to prevent it from loosening or falling off due to vibration during driving, thereby improving the operating stability of the controller; by tightly connecting the controller to the electric vehicle keel frame 1 through the controller mounting plate 4, it can effectively prevent external impact from causing damage to the controller and extend the service life of the controller.

[0037] Two battery box brackets 16 are fixedly connected to the lower end of the electric vehicle keel frame 1 , and a battery box 6 is provided on the inner side of the electric vehicle keel frame 1 , and the two battery boxes 6 are fixedly connected to each other.

[0038] Battery box ear plates 17 are fixedly connected to the left and right sides of the battery box 6 respectively, and the upper ends of the two battery box ear plates 17 are connected to two battery limit frames 18 through fixing bolts.

[0039] Installing the battery box 6 inside the electric vehicle keel 1, especially at the chassis position, can effectively balance the front and rear weight distribution of the electric vehicle, which helps to improve the vehicle's handling and stability. The battery box 6 serves as the "skeleton" of the battery pack, providing support and resisting mechanical shock and vibration, protecting the battery module and battery cells from damage when subjected to external collisions and extrusions.

[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A keel frame connector, characterized in that: The invention comprises an electric vehicle keel frame (1); A trunk connection assembly is provided at the rear end of the electric vehicle keel (1), and the trunk connection assembly includes a trunk bracket limiting bracket (5), the trunk bracket limiting bracket (5) is fixedly connected to the surface of the electric vehicle keel (1), a first electric vehicle trunk bracket (7) is fixedly connected to the surface of the trunk bracket limiting bracket (5), the first electric vehicle trunk bracket (7) is in an "L" shape, and a movable plate (8) is provided at the lower end of the first electric vehicle trunk bracket (7); Two first chutes (11) are provided on the surface of the movable plate (8); the lower end of the first electric vehicle trunk bracket (7) is fixedly connected to a movable plate limiting frame (10); the movable plate (8) is slidably connected to the movable plate limiting frame (10); the movable plate limiting frame (10) is slidably connected to the two first chutes (11); and the upper end of the movable plate (8) is fixedly connected to a second electric vehicle trunk bracket (9); The upper end of the movable plate (8) is fixedly connected to two sliders (14), and the surface of the first electric vehicle tail box bracket (7) is provided with two second slide grooves (15), and the two sliders (14) are respectively slidably connected to the corresponding second slide grooves (15).

2. The keel frame connector according to claim 1, characterized in that: The surface of the movable plate (8) is provided with a plurality of limiting holes (12), and the surface of the movable plate limiting frame (10) is also provided with two limiting holes (12); The surface of the first electric vehicle trunk bracket (7) is provided with a plurality of trunk mounting holes (13), and the surface of the second electric vehicle trunk bracket (9) is also provided with two trunk mounting holes (13).

3. The keel frame connector according to claim 1, characterized in that: The inner side of the electric vehicle keel frame (1) is fixedly connected to a seat bucket bracket (2), and the inner side of the electric vehicle keel frame (1) is fixedly connected to a lock plate bracket (3).

4. The keel frame connector according to claim 1, characterized in that: A controller mounting plate (4) is fixedly connected to the inner side of the electric vehicle keel frame (1).

5. The keel frame connector according to claim 1, characterized in that: Two battery box brackets (16) are fixedly connected to the lower end of the electric vehicle dragon frame (1), a battery box (6) is provided on the inner side of the electric vehicle dragon frame (1), and the two battery boxes (6) are fixedly connected to each other.

6. The keel frame connector according to claim 5, characterized in that: The left and right sides of the battery box (6) are respectively fixedly connected with battery box ear plates (17), and the upper ends of the two battery box ear plates (17) are connected to two battery limit frames (18) via fixing bolts.

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