Vehicle lithium battery protection device

Abstract

The invention belongs to the technical field of lithium battery protection, and discloses a vehicle lithium battery protection device which comprises a protection shell, the upper end of the bottom of the protection shell is fixedly connected with a limiting fence, the inner side surface of the limiting fence is slidably connected with a special-shaped frame, and the outer side surface of the special-shaped frame is fixedly connected with a lateral guide plate. A fixing frame is fixedly connected to the upper end of the bottom of the protective shell, the outer side surface of the fixing frame is slidably connected with the inner side surface of the special-shaped frame, a first shock absorber is fixedly connected to the outer side surface of the fixing frame, and the other end of the first shock absorber is fixedly connected with the outer side surface of the bottom of a lateral guide plate; the opposite faces of the adjacent special-shaped frames are in threaded connection with double-end threaded rods, the outer side surfaces of the middles of the double-end threaded rods are fixedly connected with limiting rings, the outer side surfaces of the limiting rings are slidably connected with the inner side surface of the bottom of the protective shell, and the problems of inaccurate positioning and incomplete damping are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of lithium battery protection, and in particular relates to a vehicle lithium battery protection device. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream. During the use of vehicle lithium batteries, they need to be protected. During the use of existing protection devices, the battery positioning is often inaccurate and the shock absorption is incomplete, which affects the overall use effect. Summary of the invention

[0003] The present invention aims at solving the problems of inaccurate positioning and incomplete shock absorption in the prior art and proposes the following technical solutions:

[0004] A vehicle lithium battery protection device comprises a protective shell, wherein the bottom upper end of the protective shell is fixedly connected to a limiting fence, the inner surface of the limiting fence is slidably connected to a special-shaped frame, the outer surface of the special-shaped frame is fixedly connected to a lateral guide plate, the bottom upper end of the protective shell is fixedly connected to a fixing frame, the outer surface of the fixing frame is slidably connected to the inner surface of the special-shaped frame, the outer surface of the fixing frame is fixedly connected to a first shock absorber, the other end of the first shock absorber is fixedly connected to the bottom outer surface of the lateral guide plate, double-headed threaded rods are threadedly connected to the opposite surfaces of adjacent special-shaped frames, the middle outer surface of the double-headed threaded rods are fixedly connected to a limiting ring, the outer surface of the limiting ring is slidably connected to the bottom inner surface of the protective shell, a guide rod is fixedly connected between the left and right adjacent fixing frames, and the outer surface of the guide rod is slidably connected to the inner surface of the special-shaped frame.

[0005] As a preferred embodiment of the above technical solution, the bottom end of the special-shaped frame is slidably connected to the bottom upper end of the protective shell, the bottom outer surface of the lateral guide plate is slidably connected to the bottom upper end of the protective shell, and the middle outer surface of the lateral guide plate is slidably connected to the upper outer surface of the limiting fence.

[0006] As a preferred embodiment of the above technical solution, the upper end of the special-shaped frame is fixedly connected to a threaded bottom column, the upper end of the threaded bottom column is fixedly connected to a second shock absorber, the other end of the second shock absorber is fixedly connected to a limiting frame, one end of the limiting frame close to the lateral guide plate is fixedly connected to a guide column, the outer surface of the guide column is slidably connected to the lateral frame, one end of the lateral frame close to the lateral guide plate is fixedly connected to a limiting spring rod, and the other end of the limiting spring rod is fixedly connected to a lateral limiting block.

[0007] As a preferred embodiment of the above technical solution, the outer surface of the upper end of the threaded base column is threadedly connected with a bevel internal threaded barrel, the middle outer surface of the bevel internal threaded barrel is rotatably connected to the inner surface of the limit frame, the outer surface of the upper end of the bevel internal threaded barrel is meshingly connected with an auxiliary bevel gear, and an auxiliary threaded rod is fixedly connected to one end of the auxiliary bevel gear close to the lateral guide plate, the outer surface of the auxiliary threaded rod is threadedly connected to the inner surface of the lateral frame, and the outer surface of the auxiliary threaded rod is rotatably connected to the inner surface of the limit frame.

[0008] As a preferred embodiment of the above technical solution, the outer surfaces of the lateral limit block and the limit frame are slidably connected to the limit bottom plate, the outer surface of the limit bottom plate is slidably connected to the inner surface of the limit fence, and the upper end of the limit bottom plate is abutted against a lithium battery.

[0009] As a preferred embodiment of the above technical solution, the upper end of the lithium battery abuts against a limiting top plate, the upper end of the limiting top plate is fixedly connected to a third shock absorber, and the other end of the third shock absorber is fixedly connected to an arc plate.

[0010] As a preferred embodiment of the above technical solution, the bottom edge of the arc plate is fixedly connected to a pillar, the bottom outer surface of the pillar is fixedly connected to a return spring rod, and the other end of the return spring rod is fixedly connected to a guide bevel block.

[0011] As a preferred embodiment of the above technical solution, the upper end of the protective shell is fixedly connected to a limit clamp, the inner surface of the limit clamp is slidably connected to the outer surface of the pillar, and the inner surface of the limit clamp abuts against the upper outer surface of the guide bevel block.

[0012] As a preferred embodiment of the above technical solution, the middle inner surface of the limit clamp is slidably connected with a V-shaped reset block, the bottom end of the V-shaped reset block is fixedly connected with an auxiliary frame, the bottom upper end of the auxiliary frame is fixedly connected with a handle, the bottom end of the protective shell is fixedly connected with the bottom frame, the middle outer surface of the auxiliary frame is slidably connected with the inner surfaces of the protective shell and the bottom frame, and the bottom end of the auxiliary frame abuts against the bottom upper end of the bottom frame.

[0013] The beneficial effects of the present invention are:

[0014] The lateral guide plate and the first shock absorber can assist in positioning the lithium battery during installation, ensuring that the lithium battery installation position is stable. The threads at both ends of the double-threaded rod are set in reverse and the limiting ring guides the double-threaded rod under the limit of the protective shell, so that the movement of each special-shaped frame can be ensured to be synchronous, thereby further improving the stability and reliability of the lithium battery positioning installation, and facilitating the uniform dispersion of the vibration generated by the positioning to each first shock absorber, thereby improving the overall service life and safety.

[0015] When installing the lithium battery, the lithium battery abuts against the limiting base plate to drive the limiting frame to move downward, and the bottom shock of the lithium battery is absorbed by the second shock absorber. The auxiliary threaded rod can be driven to rotate through the threaded transmission of the bevel internal threaded cylinder and the threaded bottom column and the meshing transmission of the bevel internal threaded cylinder and the auxiliary bevel gear. Through the threaded transmission of the auxiliary threaded rod and the lateral frame, the lateral limiting block can be driven to abut against the inner surface of the limiting fence under the limitation of the limiting base plate, thereby lateral shock absorption of the lithium battery. At the same time, the position of the limiting base plate can be further stabilized, thereby improving the overall stability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a perspective view of a vehicle lithium battery protection device;

[0017] Figure 2 Shown is a schematic diagram of the internal structure of a vehicle lithium battery protection device;

[0018] Figure 3 Shown is a schematic diagram of the inner parts of a vehicle lithium battery protection device;

[0019] Figure 4 Shown is a schematic diagram of some parts of a vehicle lithium battery protection device;

[0020] Figure 5 It shows Figure 4 A local enlarged schematic diagram of the middle A;

[0021] Figure 6 Shown is a partial structural schematic diagram of a vehicle lithium battery protection device;

[0022] Figure 7 Shown is a schematic diagram of partial parts of a vehicle lithium battery protection device;

[0023] Figure 8 Shown is a schematic diagram of local parts of a vehicle lithium battery protection device from another perspective;

[0024] Fig. 9 Shown is a partial structural schematic diagram of a vehicle lithium battery protection device;

[0025] Fig.10 Shown is a partial structural schematic diagram of a vehicle lithium battery protection device from another perspective.

[0026] In the figure: 1. protective shell; 2. limiting fence; 3. special-shaped frame; 4. fixing frame; 5. first shock absorber; 6. double-headed threaded rod; 7. limiting ring; 8. guide rod; 9. threaded bottom column; 10. second shock absorber; 11. limiting frame; 12. guide column; 13. lateral frame; 14. limiting spring rod; 15. lateral limiting block; 16. bevel internal threaded cylinder; 17. auxiliary bevel gear; 18. auxiliary threaded rod; 19. limiting bottom plate; 20. lithium battery; 21. limiting top plate; 22. third shock absorber; 23. arc plate; 24. pillar; 25. reset spring rod; 26. guide inclined block; 27. limiting clamp; 28. V-shaped reset block; 29. ​​auxiliary frame; 30. handle; 31. lateral guide plate; 32. bottom frame. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0028] Embodiment 1: The present invention provides a vehicle lithium battery protection device, such as Figures 1 to 10 As shown, it includes a protective shell 1, the bottom upper end of the protective shell 1 is fixedly connected to a limited fence 2, the inner surface of the limited fence 2 is slidably connected to a special-shaped frame 3, the outer surface of the special-shaped frame 3 is fixedly connected to a lateral guide plate 31, the bottom upper end of the protective shell 1 is fixedly connected to a fixed frame 4, the outer surface of the fixed frame 4 is slidably connected to the inner surface of the special-shaped frame 3, the outer surface of the fixed frame 4 is fixedly connected to a first shock absorber 5, the other end of the first shock absorber 5 is fixedly connected to the bottom outer surface of the lateral guide plate 31, the opposite surfaces of adjacent special-shaped frames 3 are threadedly connected with double-headed threaded rods 6, the middle outer surface of the double-headed threaded rods 6 are fixedly connected to a limited ring 7, the outer surface of the limited ring 7 is slidably connected to the bottom inner surface of the protective shell 1, and a guide rod 8 is fixedly connected between the left and right adjacent fixed frames 4, and the outer surface of the guide rod 8 is slidably connected to the special-shaped frame 3. The inner surface is slidably connected, the bottom end of the special-shaped frame 3 is slidably connected to the bottom upper end of the protective shell 1, the bottom outer surface of the lateral guide plate 31 is slidably connected to the bottom upper end of the protective shell 1, and the middle outer surface of the lateral guide plate 31 is slidably connected to the upper outer surface of the limiting fence 2. The lateral guide plate 31 and the first shock absorber 5 can be used to assist in positioning the lithium battery 20 during installation to ensure that the lithium battery installation position is stable. The reverse setting of the threads at both ends of the double-headed threaded rod 6 and the guidance of the double-headed threaded rod 6 by the limiting ring 7 under the limitation of the protective shell 1 can ensure that the movements of each special-shaped frame 3 are synchronized, thereby further improving the stability and reliability of the positioning and installation of the lithium battery 20, and facilitating the uniform dispersion of the vibration generated by the positioning to each first shock absorber 5, thereby improving the overall service life and safety.

[0029] like Figures 1 to 10As shown, the upper ends of the special-shaped frames 3 are fixedly connected with threaded bottom columns 9, the upper ends of the threaded bottom columns 9 are fixedly connected with the second shock absorber 10, the other end of the second shock absorber 10 is fixedly connected with the limiting frame 11, the end of the limiting frame 11 close to the lateral guide plate 31 is fixedly connected with the guide column 12, the outer surface of the guide column 12 is slidably connected with the lateral frame 13, the end of the lateral frame 13 close to the lateral guide plate 31 is fixedly connected with the limiting spring rod 14, the other end of the limiting spring rod 14 is fixedly connected with the lateral limiting block 15, the threaded bottom columns 9 The outer surface of the upper end of the bevel gear internal thread cylinder 16 is threadedly connected, the middle outer surface of the bevel gear internal thread cylinder 16 is rotatably connected to the inner surface of the limit frame 11, the upper outer surface of the bevel gear internal thread cylinder 16 is meshedly connected with an auxiliary bevel gear 17, and an auxiliary threaded rod 18 is fixedly connected to one end of the auxiliary bevel gear 17 close to the lateral guide plate 31, the outer surface of the auxiliary threaded rod 18 is threadedly connected to the inner surface of the lateral frame 13, the outer surface of the auxiliary threaded rod 18 is rotatably connected to the inner surface of the limit frame 11, and the lateral limit block 15 The limiting bottom plate 19 is slidably connected to the outer surface of the limiting frame 11, and the outer surface of the limiting bottom plate 19 is slidably connected to the inner surface of the limiting fence 2. The upper end of the limiting bottom plate 19 abuts against the lithium battery 20, and the upper end of the lithium battery 20 abuts against the limiting top plate 21. The upper end of the limiting top plate 21 is fixedly connected to the third shock absorber 22, and the other end of the third shock absorber 22 is fixedly connected to the arc plate 23. When the lithium battery 20 is installed, the lithium battery 20 abuts against the limiting bottom plate 19 to drive the limiting frame 11 to move downward, and the lithium battery 20 is abutted against the limiting bottom plate 19 by the second shock absorber 10. The pool 20 performs bottom shock absorption, and through the threaded transmission of the bevel internal threaded tube 16 and the threaded bottom column 9 and the meshing transmission of the bevel internal threaded tube 16 and the auxiliary bevel gear 17, the auxiliary threaded rod 18 can be driven to rotate. Through the threaded transmission of the auxiliary threaded rod 18 and the lateral frame 13, under the limit of the limit bottom plate 19, the lateral limit block 15 can be driven to abut against the inner surface of the limit fence 2 to perform lateral shock absorption on the lithium battery 20. At the same time, the position of the limit bottom plate 19 can be further stabilized to improve the overall stability and safety.

[0030] like Figures 1 to 10As shown, the bottom edge of the arc plate 23 is fixedly connected with a pillar 24, the bottom outer surface of the pillar 24 is fixedly connected with a reset spring rod 25, the other end of the reset spring rod 25 is fixedly connected with a guide bevel 26, the upper end of the protective shell 1 is fixedly connected with a limit clamp 27, the inner surface of the limit clamp 27 is slidably connected with the outer surface of the pillar 24, the inner surface of the limit clamp 27 abuts against the upper outer surface of the guide bevel 26, the middle inner surface of the limit clamp 27 is slidably connected with a V-shaped reset block 28, the bottom end of the V-shaped reset block 28 is fixedly connected with an auxiliary frame 29, the bottom upper end of the auxiliary frame 29 is fixedly connected with a handle 30, the bottom end of the protective shell 1 is fixedly connected with the bottom The frame 32 and the middle outer surface of the auxiliary frame 29 are slidably connected with the inner surface of the protective shell 1 and the bottom frame 32, and the bottom end of the auxiliary frame 29 abuts against the bottom upper end of the bottom frame 32. Through the reset action of the reset spring rod 25 and the bottom inclined surface of the guide bevel 26, the pillar 24 can be guided during the installation of the arc plate 23, and the upper end protrusion of the guide bevel 26 abuts against the inner side of the limiting card 27, which can limit the guide bevel 26. At the same time, the V-shaped reset block 28 is matched with the inclined surface of the guide bevel 26, so that when the auxiliary frame 29 and the handle 30 are moved, the limiting card 27 on the guide bevel 26 can be released, which is convenient for overall safety and practicality.

[0031] Working principle: The auxiliary frame 29 is placed between the lateral guide plates 31, and the bottom edge of the auxiliary frame 29 is abutted against the inner surface of the lateral guide plate 31. The lateral guide plate 31 and the first shock absorber 5 can assist in positioning the lithium battery 20 when the lithium battery is installed to ensure that the lithium battery installation position is stable. The reverse setting of the threads at both ends of the double-headed threaded rod 6 and the guidance of the double-headed threaded rod 6 by the limiting ring 7 under the limit of the protective shell 1 can ensure that each special-shaped frame 3 moves synchronously, thereby further The stability and reliability of the positioning and installation of the lithium battery 20 are improved, and the vibration generated by the positioning is evenly dispersed to each first shock absorber 5, thereby improving the overall service life and safety. When the lateral guide plate 31 completes the limit, the lithium battery 20 abuts against the upper end of the limit bottom plate 19, and the lithium battery 20 abuts against the limit bottom plate 19 to drive the limit frame 11 to move downward, and the bottom shock of the lithium battery 20 is damped by the second shock absorber 10, and the thread transmission and the tapered internal thread of the tapered internal thread cylinder 16 and the threaded bottom column 9 are The meshing transmission of the cylinder 16 and the auxiliary bevel gear 17 can drive the auxiliary threaded rod 18 to rotate. Through the threaded transmission of the auxiliary threaded rod 18 and the lateral frame 13, the lateral limit block 15 can be driven to abut against the inner surface of the limit fence 2 under the limit of the limit bottom plate 19, thereby lateral shock absorption of the lithium battery 20, and at the same time, the position of the limit bottom plate 19 can be further stabilized to improve the overall stability and safety. After the limit is completed, the support 24 is aligned with the limit card 27 to start the arc plate 23. During installation, the pillar 24 can be guided by the reset action of the reset spring rod 25 and the bottom slope of the guide bevel 26 during the installation of the arc plate 23, and the upper end protrusion of the guide bevel 26 abuts against the inner side of the limit card 27, which can limit the guide bevel 26. At the same time, the V-shaped reset block 28 is matched with the slope of the guide bevel 26, so that when the auxiliary frame 29 and the handle 30 are moved, the limit card 27 on the guide bevel 26 can be released, which is convenient for overall safety and practicality.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A vehicle lithium battery protection device, characterized in that: The invention comprises a protective shell (1), the bottom upper end of the protective shell (1) is fixedly connected to a limited fence (2), the inner surface of the limited fence (2) is slidably connected to a special-shaped frame (3), the outer surface of the special-shaped frame (3) is fixedly connected to a lateral guide plate (31), the bottom upper end of the protective shell (1) is fixedly connected to a fixed frame (4), the outer surface of the fixed frame (4) is slidably connected to the inner surface of the special-shaped frame (3), the outer surface of the fixed frame (4) is fixedly connected to a first shock absorber (5), and the first The other end of a shock absorber (5) is fixedly connected to the bottom outer surface of the lateral guide plate (31); a double-headed threaded rod (6) is threadedly connected to the opposite surface of the adjacent special-shaped frame (3); a limiting ring (7) is fixedly connected to the middle outer surface of the double-headed threaded rod (6); the outer surface of the limiting ring (7) is slidably connected to the bottom inner surface of the protective shell (1); a guide rod (8) is fixedly connected between the left and right adjacent fixing frames (4); the outer surface of the guide rod (8) is slidably connected to the inner surface of the special-shaped frame (3).

2. The vehicle lithium battery protection device according to claim 1, characterized in that: The bottom end of the special-shaped frame (3) is slidably connected to the bottom upper end of the protective shell (1), the bottom outer surface of the lateral guide plate (31) is slidably connected to the bottom upper end of the protective shell (1), and the middle outer surface of the lateral guide plate (31) is slidably connected to the upper outer surface of the limiting fence (2).

3. The vehicle lithium battery protection device according to claim 2, characterized in that: The upper end of the special-shaped frame (3) is fixedly connected to a threaded bottom column (9), the upper end of the threaded bottom column (9) is fixedly connected to a second shock absorber (10), the other end of the second shock absorber (10) is fixedly connected to a limiting frame (11), one end of the limiting frame (11) close to the lateral guide plate (31) is fixedly connected to a guide column (12), the outer surface of the guide column (12) is slidably connected to a lateral frame (13), one end of the lateral frame (13) close to the lateral guide plate (31) is fixedly connected to a limiting spring rod (14), and the other end of the limiting spring rod (14) is fixedly connected to a lateral limiting block (15).

4. The vehicle lithium battery protection device according to claim 3, characterized in that: The outer surface of the upper end of the threaded base column (9) is threadedly connected with a bevel gear internal threaded cylinder (16), the middle outer surface of the bevel gear internal threaded cylinder (16) is rotatably connected to the inner surface of the limiting frame (11), the outer surface of the upper end of the bevel gear internal threaded cylinder (16) is meshingly connected with an auxiliary bevel gear (17), one end of the auxiliary bevel gear (17) close to the lateral guide plate (31) is fixedly connected with an auxiliary threaded rod (18), the outer surface of the auxiliary threaded rod (18) is threadedly connected to the inner surface of the lateral frame (13), and the outer surface of the auxiliary threaded rod (18) is rotatably connected to the inner surface of the limiting frame (11).

5. The vehicle lithium battery protection device according to claim 3, characterized in that: The outer surfaces of the lateral limit block (15) and the limit frame (11) are slidably connected to a limit bottom plate (19), the outer surface of the limit bottom plate (19) is slidably connected to the inner surface of the limit fence (2), and the upper end of the limit bottom plate (19) is abutted against a lithium battery (20).

6. The vehicle lithium battery protection device according to claim 5, characterized in that: The upper end of the lithium battery (20) abuts against a limit top plate (21), the upper end of the limit top plate (21) is fixedly connected to a third shock absorber (22), and the other end of the third shock absorber (22) is fixedly connected to an arc plate (23).

7. The vehicle lithium battery protection device according to claim 6, characterized in that: The bottom edge of the arc plate (23) is fixedly connected to a pillar (24), the bottom outer surface of the pillar (24) is fixedly connected to a return spring rod (25), and the other end of the return spring rod (25) is fixedly connected to a guide inclined block (26).

8. The vehicle lithium battery protection device according to claim 7, characterized in that: The upper end of the protective shell (1) is fixedly connected to a limit clamp (27), the inner surface of the limit clamp (27) is slidably connected to the outer surface of the support (24), and the inner surface of the limit clamp (27) abuts against the upper outer surface of the guide bevel (26).

9. The vehicle lithium battery protection device according to claim 8, characterized in that: A V-shaped reset block (28) is slidably connected to the inner surface of the middle part of the limit clamp (27); the bottom end of the V-shaped reset block (28) is fixedly connected to an auxiliary frame (29); the bottom upper end of the auxiliary frame (29) is fixedly connected to a handle (30); the bottom end of the protective shell (1) is fixedly connected to a bottom frame (32); the outer surface of the middle part of the auxiliary frame (29) is slidably connected to the inner surfaces of the protective shell (1) and the bottom frame (32); the bottom end of the auxiliary frame (29) abuts against the bottom upper end of the bottom frame (32).

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