An anti-deformation battery cover plate for new energy vehicles
The battery cover design with internal supports and connecting mechanisms distributes impact forces to prevent deformation and damage during high-speed collisions, ensuring battery safety.
Patent Information
- Application Number
- CN202510506279.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2045-04-22
AI Technical Summary
Existing new energy vehicle battery covers are prone to deform during high-speed collisions, resulting in damage to the battery and may even burn or explode.
A new energy vehicle battery cover plate is designed for anti-deformation. By setting a horizontal plate and a longitudinal plate between the cover plate and the shell, and installing cylinders, guide plates, sliders, connecting rods and snap plates on the horizontal plate, a complex protective unit is formed to enhance the connection stability between the cover plate and the shell and reduce the squeeze pressure during deformation.
It effectively reduces the deformation of the battery cover during high-speed collisions, improves the safety of the battery pack, prevents combustion or explosions, and enhances overall stability and safety.
Smart Images

Figure CN120033400B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of new energy vehicle batteries, and specifically to a deformation-proof battery cover for new energy vehicles. Background Art
[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources (or use conventional vehicle fuels and adopt new in-vehicle power devices), integrating advanced technologies in vehicle power control and drive, and forming vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, range-extended electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc. However, the existing battery covers are relatively thin in thickness and have low support strength. When being impacted, the battery covers are prone to deformation, resulting in damage to the batteries.
[0003] After retrieval, the publicly announced patent No. CN217281100U discloses a deformation-proof battery cover for new energy vehicles, which includes a battery cover body. The battery cover body includes a first cover layer, a reinforcement layer, and a second cover layer. The top surface of the reinforcement layer is connected to the first cover layer, and the bottom surface of the reinforcement layer is connected to the second cover layer. The reinforcement layer includes a number of support columns, and the number of support columns forms a honeycomb structure. An elastic component is arranged in each support column. One end of the elastic component is connected to the first cover layer, and the other end of the elastic component is connected to the second cover layer. A number of circles of ribs are arranged on both the first cover layer and the second cover layer.
[0004] The above protection device is limited to low-speed collisions during collisions. When the speed is greater than 60 km / h, the entire front engine compartment of the vehicle may be deformed, and at this time, the battery pack installed in the front engine compartment may still be squeezed and cause combustion or explosion. Summary of the Invention
[0005] Based on the above problems existing in the prior art, the problem to be solved by the present application is that the above protection device is limited to low-speed collisions during collisions. When the speed is greater than 60 km / h, the entire front engine compartment of the vehicle may be deformed, and at this time, the battery pack installed in the front engine compartment may still be squeezed and cause combustion or explosion.
[0006] The technical solution adopted by the present application to solve its technical problems is: a deformation-proof battery cover for new energy vehicles, including a cover plate and a housing. The cover plate and the housing are engaged with each other. A horizontal plate is fixedly arranged in the housing, and a vertical plate is fixedly arranged in the housing. The horizontal plate and the vertical plate are perpendicularly arranged to each other. A protection unit for strengthening the housing is arranged on the horizontal plate.
[0007] The protection unit includes a cylinder fixedly arranged on the cross plate. A positioning block is fixedly arranged on the output end of the cylinder. The other side of the positioning block is fixedly connected to the cover plate. A guide plate is fixedly arranged on the cross plate. A guide groove is formed in the guide plate. A slider is slidably arranged on the guide groove. A second connecting rod is rotatably arranged on the slider. A buckle plate is slidably arranged on the vertical plate. A vertical plate is slidably arranged on the buckle plate. The vertical plate is rotatably connected to the second connecting rod. A limiting frame is fixedly arranged on the buckle plate. A long plate is fixedly arranged on the limiting frame. A plurality of parallel long cylinders are fixedly arranged on the long plate. The output end of the long cylinder abuts against the inner wall of the housing.
[0008] Preferably, a plurality of parallel reinforcing plates are fixedly arranged on the upper end surface of the cover plate. A protective sleeve is fixedly arranged on the cover plate. A threaded hole is formed in the protective sleeve. A convex plate is fixedly arranged on the inner side of the cover plate. The convex plate has the same width as the housing.
[0009] Preferably, a plurality of evenly distributed storage chambers are fixedly arranged on the inner wall of the housing. Each of the storage chambers is evenly distributed at each corner of the housing. A battery panel is fixedly arranged in the storage chamber. The cross plate and the vertical plate are distributed in the gaps of the storage chamber.
[0010] Preferably, a connecting block is fixedly arranged on the upper end surface of the slider. Two parallel brackets are fixedly arranged on the connecting block. A rotating shaft is rotatably arranged between the two brackets. A first connecting rod is rotatably connected to the rotating shaft. A clamping plate is fixedly arranged on the positioning block. The clamping plate is rotatably connected to the first connecting rod. The first connecting rod and the cross plate are in the same vertical plane.
[0011] Preferably, the cross section of the buckle plate is U-shaped. A clamping groove is formed in the buckle plate. The clamping groove is slidably connected to the vertical plate. The thickness of the clamping groove is the same as the thickness of the vertical plate. A control unit for controlling the movement of the buckle plate is arranged on the limiting frame.
[0012] Preferably, the control unit includes a threaded rod rotatably arranged between the limiting frames. A motor is fixedly arranged on the side wall of the limiting frame. A positioning plate is fixedly arranged on the buckle plate. The positioning plate is threadedly connected to the threaded rod.
[0013] Preferably, a guide rod is fixedly arranged between the two positioning plates. The guide rod is arranged parallel to the threaded rod. The guide rod is slidably connected to the positioning plate. The threaded rod has two sections of threads. The rotation directions of the two sections of threads are opposite.
[0014] Preferably, a telescopic rod is slidably arranged inside the long cylinder, and a spring is fixedly arranged between the bottom end of the long cylinder and the telescopic rod.
[0015] Preferably, a layer of TPU anti-static layer is coated on the outer wall of the outer shell.
[0016] Preferably, the cross plate is located below the longitudinal plate, and the depth of the card slot is not greater than half of the width of the longitudinal plate.
[0017] The beneficial effect of the present application is as follows: An anti-deformation new energy vehicle battery cover plate provided by the present application realizes an increased fit degree between the cover plate and the outer shell through the convex plate arranged on the cover plate. Then, through the cross plate and the longitudinal plate arranged inside the outer shell, when the staff assembles, the two ends of the cross plate and the longitudinal plate are abutted against the inner wall of the outer shell. When the vehicle collides, the impact force received by the cover plate acts on the positioning block. At this time, the pressure generated by the positioning block presses the slider downward through the connecting rod one, so that the slider slides along the guide plate, and the vertical plate is driven to move by the connecting rod two during the sliding process, so that the long cylinder arranged on the limit frame abuts against the inner wall of the outer shell, ensuring the overall stability of the device and reducing the pressure on the storage room when the outer shell deforms. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 is a schematic diagram of the bottom structure of the present invention;
[0020] Figure 3 is a schematic diagram of the cover plate structure of the present invention;
[0021] Figure 4 is a schematic diagram of the internal structure of the outer shell of the present invention;
[0022] Figure 5 is a schematic diagram of the partial structure of the present invention Figure 1 ;
[0023] Figure 6 is a schematic diagram of the cross plate structure of the present invention;
[0024] Figure 7 is a schematic diagram of the buckle plate structure of the present invention;
[0025] Figure 8 is a schematic diagram of the partial structure of the present invention Figure 2 .
[0026] In the figure: 1. Cover plate; 11. Reinforcement plate; 12. Protective sleeve; 13. Threaded hole; 14. Convex plate; 2. Outer shell; 21. Storage room; 22. Battery panel; 3. Horizontal plate; 31. Guide plate; 32. Guide groove; 33. Slide block; 34. Connecting block; 35. Bracket; 36. Rotating shaft; 37. Connecting rod one; 38. Connecting rod two; 4. Vertical plate; 41. Snap plate; 411. Card slot; 42. Vertical plate; 43. Limiting frame; 431. Long plate; 44. Guide rod; 45. Threaded rod; 46. Positioning plate; 461. Motor; 47. Long cylinder; 471. Telescopic rod; 472. Spring; 5. Cylinder; 51. Positioning block; 52. Card plate. Detailed implementation manners
[0027] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The following will illustrate the present application in detail with reference to the drawings and in combination with the embodiments.
[0028] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0029] Refer to Figures 1-8 , an anti-deformation new energy vehicle battery cover plate, including a cover plate 1 and an outer shell 2, the cover plate 1 and the outer shell 2 are clamped with each other, a horizontal plate 3 is fixedly arranged in the outer shell 2, a vertical plate 4 is fixedly arranged in the outer shell 2, and the horizontal plate 3 and the vertical plate 4 are arranged perpendicular to each other. A protection unit for strengthening the outer shell 2 is arranged on the horizontal plate 3;
[0030] The protection unit includes a cylinder 5 fixedly arranged on the horizontal plate 3, a positioning block 51 is fixedly arranged on the output end of the cylinder 5, the other side of the positioning block 51 is fixedly connected with the cover plate 1, a guide plate 31 is fixedly arranged on the horizontal plate 3, a guide groove 32 is opened in the guide plate 31, a slide block 33 is slidably arranged on the guide groove 32, a connecting rod two 38 is rotatably arranged on the slide block 33, a snap plate 41 is slidably arranged on the vertical plate 4, a vertical plate 42 is slidably arranged on the snap plate 41, and the vertical plate 42 is rotatably connected with the connecting rod two 38. A limiting frame 43 is fixedly arranged on the snap plate 41, a long plate 431 is fixedly arranged on the limiting frame 43, a plurality of mutually parallel long cylinders 47 are fixedly arranged on the long plate 431, and the output end of the long cylinder 47 abuts against the inner wall of the outer shell 2.
[0031] Refer to Figures 1-3, on the upper end face of the cover plate 1, multiple parallel reinforcing plates 11 are fixedly arranged. A protective sleeve 12 is fixedly arranged on the cover plate 1. A threaded hole 13 is formed in the protective sleeve 12. A convex plate 14 is fixedly arranged on the inner side of the cover plate 1, and the width of the convex plate 14 is the same as that of the outer shell 2. By arranging the reinforcing plates 11 on the cover plate 1, the overall stability of the device is improved. The convex plate 14 arranged at the bottom of the cover plate 1 enables the convex plate 14 to facilitate the assembly of the device when the staff places the cover plate 1.
[0032] Refer to Figures 4-6 , on the inner wall of the outer shell 2, multiple evenly arranged storage chambers 21 are fixedly arranged, and each storage chamber 21 is evenly distributed at each corner of the outer shell 2. A battery panel 22 is fixedly arranged in the storage chamber 21, and the cross plate 3 and the longitudinal plate 4 are distributed in the gaps of the storage chamber 21. By arranging each storage chamber 21 at the corner of the outer shell 2, when the outer shell 2 deforms, the extrusion force generated at the corner of the outer shell 2 can reduce the damage to the storage chamber 21.
[0033] Refer to Figures 6-8 , on the upper end face of the slider 33, a connecting block 34 is fixedly arranged. On the connecting block 34, two parallel brackets 35 are fixedly arranged. A rotating shaft 36 is rotatably arranged between the two brackets 35. A connecting rod one 37 is rotatably connected to the rotating shaft 36. A clamping plate 52 is fixedly arranged on the positioning block 51. The clamping plate 52 is rotatably connected to the connecting rod one 37, and the connecting rod one 37 and the cross plate 3 are in the same vertical plane. By arranging the connecting block 34 on the slider 33, when the clamping plate 52 moves, the connecting block 34 can be driven to move through the connecting rod one 37, so as to control the movement of the slider 33.
[0034] Refer to Figures 5-7 , the cross section of the snap plate 41 is arranged in a U shape. A card slot 411 is formed in the snap plate 41. The card slot 411 is slidably connected to the longitudinal plate 4, and the thickness of the card slot 411 is the same as that of the longitudinal plate 4. A control unit for controlling the movement of the snap plate 41 is arranged on the limit frame 43. By arranging the snap plate 41 in a U shape, it is ensured that the snap plate 41 will not shift during the movement process.
[0035] Refer to Figures 5-7 , the control unit includes a threaded rod 45 rotatably arranged between the limit frames 43. A motor 461 is fixedly arranged on the side wall of the limit frame 43. A positioning plate 46 is fixedly arranged on the snap plate 41, and the positioning plate 46 is threadedly connected to the threaded rod 45. By arranging the motor 461 on the limit frame 43, when the motor 461 is started, the threaded rod 45 fixed on the output end of the motor 461 rotates.
[0036] Refer to Figures 5-7A guide rod 44 is fixedly arranged between the two positioning plates 46, and the guide rod 44 and the threaded rod 45 are arranged parallel to each other. The guide rod 44 and the positioning plate 46 are slidably connected. The threaded rod 45 is provided with two sections of threads, and the rotation directions of the two sections of threads are arranged in opposite directions. By setting the guide rod 44 on the positioning plate 46, it is achieved that the positioning plate 46 will not deviate during the movement process. Then, by setting the two sections of threads on the threaded rod 45, it is achieved that when the threaded rod 45 rotates, the two positioning plates 46 threadedly connected to the threaded rod 45 move toward each other.
[0037] Reference Figures 6-8 A telescopic rod 471 is slidably arranged in the long tube 47, and a spring 472 is fixedly arranged between the bottom end of the long tube 47 and the telescopic rod 471. By arranging the telescopic rod 471 on the long tube 47, the telescopic rod 471 can support the shell 2 under the elastic force of the spring 472, thereby reducing its deformation.
[0038] Reference Figures 1-3 A TPU antistatic layer is coated on the outer wall of the shell 2. The antistatic layer provided on the shell 2 can improve the overall safety of the device.
[0039] Reference Figures 6-8 The horizontal plate 3 is located below the vertical plate 4, and the depth of the card slot 411 is not greater than half the width of the vertical plate 4. By setting the positions of the horizontal plate 3 and the vertical plate 4, the overall safety and stability of the device can be improved.
[0040] The specific solution of this scheme is as follows: When the staff uses the device, the convex plate 14 provided on the cover plate 1 is used to increase the fit degree between the cover plate 1 and the outer shell 2. Then, through the transverse plate 3 and the longitudinal plate 4 provided in the outer shell 2, when the staff assembles, the two ends of the transverse plate 3 and the longitudinal plate 4 are abutted against the inner wall of the outer shell 2. When the vehicle collides, the impact force received by the cover plate 1 acts on the positioning block 51. At this time, the pressure generated by the positioning block 51 presses down the slider 33 through the first connecting rod 37. Through the reinforcing plate 11 provided on the cover plate 1, the overall stability of the device is improved. The convex plate 14 provided on the bottom of the cover plate 1 facilitates the assembly of the device by the staff when placing the cover plate 1. By arranging each storage chamber 21 at the corner of the outer shell 2, when the outer shell 2 deforms, the extrusion force generated at the corner of the outer shell 2 can reduce the damage to the storage chamber 21. The connecting block 34 provided on the slider 33 enables the connecting block 34 to be driven to move through the first connecting rod 37 during the movement of the clamping plate 52, thereby realizing the control of the movement of the slider 33. The guide rod 44 provided on the positioning plate 46 ensures that the positioning plate 46 does not shift during the movement. Then, through the two sections of threads provided on the threaded rod 45, when the threaded rod 45 rotates, the two positioning plates 46 threadedly connected to the threaded rod 45 move towards each other.
[0041] Those of ordinary skill in the art should understand that the discussion of any above embodiment is only exemplary. Under the idea of the present invention, the technical features in the above embodiments or different embodiments can also be combined, and the steps can be implemented in any order. There are many other variations in different aspects of the present invention as described above, and they are not provided in detail for the sake of brevity.
[0042] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims
1. A deformation-proof new energy vehicle battery cover plate, comprising a cover plate (1) and a housing (2), characterized in that, The cover plate (1) and the outer shell (2) are engaged with each other. A horizontal plate (3) is fixedly arranged inside the outer shell (2), and a vertical plate (4) is fixedly arranged inside the outer shell (2). The horizontal plate (3) and the vertical plate (4) are perpendicular to each other. A protection unit for strengthening the outer shell (2) is arranged on the horizontal plate (3); The protection unit includes a cylinder (5) fixedly arranged on the horizontal plate (3). A positioning block (51) is fixedly arranged at the output end of the cylinder (5). The other side of the positioning block (51) is fixedly connected to the cover plate (1). A guide plate (31) is fixedly arranged on the horizontal plate (3). A guide groove (32) is formed inside the guide plate (31). A slider (33) is slidably arranged on the guide groove (32). A second connecting rod (38) is rotatably arranged on the slider (33). A buckle plate (41) is slidably arranged on the vertical plate (4). A vertical plate (42) is slidably arranged on the buckle plate (41). The vertical plate (42) and the second connecting rod (38) are rotatably connected. A limiting frame (43) is fixedly arranged on the buckle plate (41). A long plate (431) is fixedly arranged on the limiting frame (43). A plurality of parallel long cylinders (47) are fixedly arranged on the long plate (431). The output ends of the long cylinders (47) abut against the inner wall of the outer shell (2); A connecting block (34) is fixedly arranged on the upper end surface of the slider (33). Two parallel brackets (35) are fixedly arranged on the connecting block (34). A rotating shaft (36) is rotatably arranged between the two brackets (35). A first connecting rod (37) is rotatably connected to the rotating shaft (36). A clamping plate (52) is fixedly arranged on the positioning block (51). The clamping plate (52) and the first connecting rod (37) are rotatably connected. The first connecting rod (37) and the horizontal plate (3) are in the same vertical plane.
2. The anti-deformation new energy vehicle battery cover plate according to claim 1, wherein A plurality of parallel reinforcing plates (11) are fixedly arranged on the upper end surface of the cover plate (1). A protective sleeve (12) is fixedly arranged on the cover plate (1). A threaded hole (13) is formed in the protective sleeve (12). A convex plate (14) is fixedly arranged inside the cover plate (1). The convex plate (14) has the same width as the outer shell (2).
3. The anti-deformation new energy vehicle battery cover plate according to claim 1, wherein A plurality of uniformly arranged storage chambers (21) are fixedly arranged on the inner wall of the outer shell (2). Each of the storage chambers (21) is evenly distributed at each corner of the outer shell (2). A battery panel (22) is fixedly arranged inside the storage chamber (21). The horizontal plate (3) and the vertical plate (4) are distributed in the gaps of the storage chambers (21).
4. The anti-deformation new energy vehicle battery cover plate according to claim 1, wherein The cross-section of the buckle plate (41) is U-shaped. A clamping groove (411) is formed inside the buckle plate (41). The clamping groove (411) is slidably connected to the vertical plate (4). The thickness of the clamping groove (411) is the same as the thickness of the vertical plate (4). A control unit for controlling the movement of the buckle plate (41) is arranged on the limiting frame (43).
5. The anti-deformation new energy vehicle battery cover plate according to claim 4, characterized in that, The control unit includes a threaded rod (45) rotatably arranged between the limit frames (43), a motor (461) is fixedly arranged on the side wall of the limit frame (43), a positioning plate (46) is fixedly arranged on the buckle plate (41), and the positioning plate (46) is in threaded connection with the threaded rod (45).
6. The anti-deformation new energy vehicle battery cover plate according to claim 5, wherein, A guide rod (44) is fixedly arranged between the two positioning plates (46), and the guide rod (44) is arranged parallel to the threaded rod (45). The guide rod (44) is slidably connected with the positioning plate (46). The threaded rod (45) is provided with two sections of threads, and the rotation directions of the two sections of threads are opposite to each other.
7. A deformation-proof new energy vehicle battery cover plate according to claim 1, characterized in that, A telescopic rod (471) is slidably arranged in the long cylinder (47), and a spring (472) is fixedly arranged between the bottom end of the long cylinder (47) and the telescopic rod (471).
8. The anti-deformation new energy vehicle battery cover plate according to claim 1, characterized in that, A layer of TPU anti-static layer is coated on the outer wall of the outer shell (2).
9. The anti-deformation new energy vehicle battery cover plate according to claim 4, wherein, The cross plate (3) is located below the longitudinal plate (4), and the depth of the card slot (411) is not greater than half of the width of the longitudinal plate (4).
Citation Information
Patent Citations
Anti-deformation new energy automobile battery cover plate
CN217281100U
New energy automobile battery cover with protection mechanism
CN116093531A
Magnesium alloy new energy automobile battery shell
CN117497937A