Anti-deformation connecting structure of heterogeneous material frame
By combining the support frame, seat frame, and headstock, and utilizing stud thread assembly and structural adhesive, the deformation problem at the connection point of dissimilar material frames is solved, achieving an anti-deformation effect at the frame connection point.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOUSHI MINGDING VEHICLE
- Filing Date
- 2025-08-25
- Publication Date
- 2026-06-09
AI Technical Summary
The joints of dissimilar material composite coated frames are prone to deformation after prolonged use due to the dense combination of joint points.
It adopts a combination structure of load-bearing frame, base frame and head handle, and is connected by stud thread assembly to form a distributed multi-point assembly, and the connection stability is enhanced by structural adhesive.
It effectively disperses stress at the frame connection points, improves the deformation resistance of the frame connections, and extends service life.
Smart Images

Figure CN224335769U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric vehicle frame technology, specifically to a deformation-resistant connection structure for dissimilar material frames. Background Technology
[0002] The electric vehicle frame is the core load-bearing structure of the entire vehicle, responsible for supporting all components such as the battery, motor, and suspension system, and transmitting various mechanical loads during riding. Electric vehicle frames include integrated welded structures and composite coated assembly structures. Taking the composite coated assembly electric vehicle frame made of dissimilar composite materials of steel and aluminum alloy as an example.
[0003] The connection method of some dissimilar material composite coated assembly frames uses a relatively dense assembly connection point for the frame body, which results in greater stress at the connection points of the detachable frame. Over time, the frame connection points are prone to deformation. Therefore, in order to address the above problems, a dissimilar material frame anti-deformation connection structure is proposed. Summary of the Invention
[0004] The purpose of this utility model is to provide a deformation-resistant connection structure for a vehicle frame made of dissimilar materials, which solves the problem mentioned above where the main body of the vehicle frame is assembled and connected at relatively dense points, and the connection points of the frame are prone to deformation after long-term use.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A deformation-resistant connection structure for a vehicle frame made of dissimilar materials includes a support frame, a seat frame, and a head handle. The seat frame is located on the top of the support frame, and the head handle is located on the left side of the seat frame. The support frame includes a frame, a sleeve, a clamping plate, a ring plate, a ring plate, a handle bracket, and a plug plate. A sleeve is fixedly installed at the left end of the frame, a clamping plate is fixedly installed at the top end of the frame, a ring plate is fixedly installed at the right end of the frame, and a handle bracket is fixedly installed at the right end of the ring plate. The ring plate is installed between two adjacent ring plates. A plug plate is installed in the through hole inside the ring plate and the slot inside the ring plate. The plug plate and the ring plate are assembled with threaded studs. The seat frame includes a frame body, a first handle bar, a second handle bar, a disc block, and a flat plate. The first handle bar and the second handle bar are fixedly installed on the support at the left end of the frame body. A disc block is fixedly installed on the top of the first handle bar, and a flat plate is fixedly installed at the bottom end of the frame body.
[0007] Preferably, the sleeve is installed inside the lower part of the head handle, and the inside of the head handle and the inside of the sleeve are assembled by studs.
[0008] Preferably, the inner circular plate of the first handle bar and the inner circular plate of the second handle bar are installed in the sliding groove on the surface of the head handle. The inside of the disc block and the inside of the head handle are assembled by studs and threads. The inside of the first handle bar and the inside of the head handle are assembled by studs and threads. The inside of the second handle bar and the inside of the head handle are assembled by studs and threads.
[0009] Preferably, the flat plate is installed between the inner sides of two adjacent card plates, with the bottom end of the flat plate in contact with the top end of the frame.
[0010] Preferably, the right end slot of the frame and the bottom end slot of the frame are installed on the buckle plate, and the buckle plate and the frame are assembled and set by studs.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] In this utility model, the bearing frame, seat frame, and head handle are configured as described above. The inside of the plug plate and the ring plate are assembled with studs and threads. The inside of the head handle and the sleeve are assembled with studs and threads. The inside of the disc and the head handle are assembled with studs and threads. The inside of the first handle bar and the head handle are assembled with studs and threads. The inside of the second handle bar and the head handle are assembled with studs and threads. The right end slot of the frame and the bottom slot of the frame are installed on the buckle plate. The inside of the buckle plate and the inside of the frame are assembled with studs and threads. The frame body adopts a distributed multi-point assembly and connection setting to distribute the stress at the connection position of the disassembled frame and improve the anti-deformation effect at the frame connection. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the support frame and base of this utility model;
[0014] Figure 2 This utility model Figure 1 Schematic diagram at point A;
[0015] Figure 3 This utility model Figure 1 Schematic diagram at point B;
[0016] Figure 4 This is a schematic diagram of the base and head handle of this utility model;
[0017] Figure 5 This utility model Figure 4 Schematic diagram at point C;
[0018] Figure 6 This is a schematic diagram of the frame, sleeve, and clamping plate of this utility model;
[0019] Figure 7 This utility model Figure 6 Schematic diagram at point D;
[0020] In the diagram: 1. Support frame; 11. Frame; 12. Sleeve; 13. Clamping plate; 14. Ring plate; 15. Ring plate; 16. Handle holder; 17. Plug plate; 18. Buckle plate; 2. Seat frame; 21. Frame body; 22. First handle bar; 23. Second handle bar; 24. Disc block; 25. Flat plate; 3. Head handle. Detailed Implementation
[0021] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.
[0022] In the embodiments of the utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of the utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.
[0023] Furthermore, in the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] Please see Figure 1-7 This utility model provides a technical solution:
[0025] A deformation-resistant connection structure for a vehicle frame made of dissimilar materials includes a support frame 1, a seat frame 2, and a handle 3. The seat frame 2 is mounted on the top of the support frame 1, and the handle 3 is mounted on the left side of the seat frame 2. The support frame 1 includes a frame 11, a sleeve 12, a clamping plate 13, a ring plate 14, a ring plate 15, a handle 16, and a stopper plate 17. The sleeve 12 is fixedly mounted on the left end of the frame 11, the clamping plate 13 is fixedly mounted on the top end of the frame 11, the ring plate 14 is fixedly mounted on the right end of the frame 11, and the handle 16 is fixedly mounted on the right end of the ring plate 15. The device is placed between two adjacent ring plates 14. A plug plate 17 is installed in the through hole inside the ring plate 14 and the slot inside the ring plate 15. The plug plate 17 and the ring plate 15 are assembled by studs. The frame 2 includes a frame body 21, a first handle bar 22, a second handle bar 23, a disc block 24 and a flat plate 25. The first handle bar 22 and the second handle bar 23 are fixedly mounted on the support at the left end of the frame body 21. The disc block 24 is fixedly mounted on the top of the first handle bar 22 and the flat plate 25 is fixedly mounted on the bottom end of the frame body 21.
[0026] The sleeve 12 is installed inside the head handle 3 below. The inside of the head handle 3 and the inside of the sleeve 12 are assembled by studs and threads. This arrangement is used to combine the support frame 1 and the head handle 3. The inner circular plates of the first handle bar 22 and the second handle bar 23 are installed with the sliding groove on the surface of the head handle 3. The inside of the disc block 24 and the inside of the head handle 3 are assembled by studs and threads. The inside of the first handle bar 22 and the inside of the head handle 3 are assembled by studs and threads. The inside of the second handle bar 23 and the inside of the head handle 3 are assembled by studs and threads. The above-mentioned arrangement is used to assemble the seat frame 2 and the head handle 3. The flat plate 25 is installed between the inner sides of two adjacent clamping plates 13. The bottom end of the flat plate 25 is in contact with the top end of the frame 11. The above-mentioned arrangement forms a sliding installation structure for the seat frame 2. The right end slot of the frame 11 and the bottom end slot of the frame 21 are installed in the buckle plate 18. The buckle plate 18 and the frame 11 are assembled with studs. The buckle plate 18 serves to limit the horizontal position of the seat frame 2.
[0027] Workflow: This utility model provides a deformation-resistant connection structure for a dissimilar material frame. The main body of the structure is a combined assembled frame made of dissimilar material parts. The frame body adopts a multi-point assembly connection setting to distribute the stress at the connection points of the disassembled frame and improve the deformation resistance at the frame connection points. First, the load-bearing frame 1 is assembled and installed. The frame 11, sleeve 12, clamping plate 13, and ring plate 14 are an integral welded frame. The ring plate 15 is installed between two adjacent ring plates 14. The through holes inside the ring plate 14 and the slots inside the ring plate 15 are fitted with plug plates 17. The plug plates 17 and the ring plates 15 are assembled with studs and threads. The sleeve 12 is installed inside the head handle 3 below. The head handle 3 and the sleeve 12 are assembled with studs and threads. The flat plate 25 is installed on the adjacent... Between the inner sides of the two clamping plates 13, the inner circular plates of the first handle 22 and the second handle 23 are installed with the sliding groove on the surface of the head handle 3. The inside of the disc 24 and the inside of the head handle 3 are assembled by stud threads. The inside of the first handle 22 and the inside of the head handle 3 are assembled by stud threads. The inside of the second handle 23 and the inside of the head handle 3 are assembled by stud threads. The right end slot of the frame 11 and the bottom slot of the frame 21 are installed on the buckle plate 18. The inside of the buckle plate 18 and the inside of the frame 11 are assembled by stud threads. When the studs are assembled, a layer of structural adhesive is coated on the outside of the studs to improve the vibration resistance and anti-loosening effect of the stud assembly position, forming a multi-point assembled composite dissimilar material frame, which is used to distribute the stress at the connection position of the disassembled frame and improve the anti-deformation effect of the frame connection.
[0028] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A deformation-resistant connection structure for a vehicle frame made of dissimilar materials, comprising a support frame (1), a seat frame (2), and a headstock (3), characterized in that: The support frame (1) is provided with a seat frame (2) on the top, and a head handle (3) is provided on the left side of the seat frame (2). The support frame (1) includes a frame (11), a sleeve (12), a clamping plate (13), a ring plate (14), a ring plate (15), a handle holder (16), and a stopper plate (17). The sleeve (12) is fixedly provided at the left end of the frame (11), the clamping plate (13) is fixedly provided at the top end of the frame (11), the ring plate (14) is fixedly provided at the right end of the frame (11), and the handle holder (16) is fixedly provided at the right end of the ring plate (15). The ring plate (15) is installed on two adjacent rings. Between the plates (14), the inner through hole of the ring plate (14) and the inner slot of the ring plate (15) are fitted with a plug plate (17). The plug plate (17) and the ring plate (15) are assembled by stud threads. The frame (2) includes a frame body (21), a first handle bar (22), a second handle bar (23), a disc block (24) and a flat plate (25). The left end bracket of the frame body (21) is fixedly fitted with the first handle bar (22) and the second handle bar (23). The top of the first handle bar (22) is fixedly fitted with the disc block (24). The bottom end of the frame body (21) is fixedly fitted with the flat plate (25).
2. The anti-deformation connection structure for a dissimilar material vehicle frame according to claim 1, characterized in that: The sleeve (12) is installed inside the head handle (3) below, and the inside of the head handle (3) and the inside of the sleeve (12) are assembled by stud threads.
3. The anti-deformation connection structure for a dissimilar material vehicle frame according to claim 1, characterized in that: The inner circular plate of the first handle (22), the inner circular plate of the second handle (23), and the sliding groove on the surface of the head handle (3) are installed and placed. The inside of the disc (24) and the inside of the head handle (3) are assembled and set by studs and threads. The inside of the first handle (22) and the inside of the head handle (3) are assembled and set by studs and threads. The inside of the second handle (23) and the inside of the head handle (3) are assembled and set by studs and threads.
4. The anti-deformation connection structure for a dissimilar material vehicle frame according to claim 1, characterized in that: The plate (25) is installed between the inner sides of two adjacent card plates (13), and the bottom end of the plate (25) is in contact with the top end of the frame (11).
5. The anti-deformation connection structure for a dissimilar material vehicle frame according to claim 1, characterized in that: The right end slot of the frame (11) and the bottom end slot of the frame (21) are installed on the buckle plate (18), and the buckle plate (18) and the frame (11) are assembled and set by studs.