Battery box locking device of battery replacement heavy truck

By introducing threaded rods and worm gear structures into the battery box locking device, the problem of position deviation of locking holes of different models of battery boxes is solved, accurate locking of the battery box is achieved, and battery swap efficiency and safety are improved.

CN223116177UActive Publication Date: 2025-07-18DONGSHI JIUXING ENERGY TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422577856.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-07-18
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

The traditional battery box locking device cannot adapt to the position deviation of the locking holes of battery boxes of different manufacturers, resulting in difficulty in locking and affecting battery swap efficiency and safety.

Method used

A battery-swap heavy truck battery box locking device is designed. By setting a threaded rod at the connection between the fixed block and the base, the meshing of the worm and the worm gear drive the threaded rod to rotate, so as to adjust the position of the fixed block and adapt to the locking hole position of the battery box of different models.

Benefits of technology

Accurate locking of different models of battery boxes is achieved, improving battery swap efficiency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223116177U_ABST
    Figure CN223116177U_ABST
Patent Text Reader

Abstract

The utility model discloses a battery changing heavy truck battery box locking device which comprises a base and further comprises a locking assembly, the locking assembly comprises fixing blocks symmetrically connected to the inner side of the base in a penetrating and inserting mode, air cylinders are arranged on the sides of the fixing blocks, and threaded rods are connected to the penetrating and inserting positions of the fixing blocks and the base in a threaded and penetrating and inserting mode. The adjusting assembly comprises an adjusting box arranged on the side of the base, a worm is connected to the side of the adjusting box in a penetrating mode, a worm gear is meshed with the side of the worm, the end of the threaded rod is connected to the middle of the worm gear in a penetrating mode, and a connecting part is arranged at the penetrating position of the worm gear and the threaded rod; the worm is manually rotated, the worm gear is driven to rotate through meshing, the worm gear drives the threaded rod to rotate through the connecting part, the threaded rod drives the fixing block to move, and compared with the mode that the fixing block is welded to the side of the base, the design enables the position of the air cylinder to be movably adjusted according to the actual position of a locking hole in the bottom of the battery box; therefore, the locking operation of fixing different types of battery boxes is realized.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of battery box installation, and particularly relates to a locking device for a battery box of a battery-swapping heavy truck. Background Technique

[0002] With the wide application of electric trucks, the battery-swapping technology, as a key means to improve the endurance of electric trucks and reduce the operation cost, has received more and more attention. During the battery-swapping process, the rapid and accurate locking of the battery box is an important link to ensure the battery-swapping efficiency and safety. Traditional battery box locking devices often adopt a fixed design, that is, the fixed block where the cylinder is installed is directly welded to the base. In the face of battery boxes of different manufacturers and models, due to the design deviation of the locking hole positions on the bottom side of the battery box, the output end of the cylinder cannot be aligned with the locking hole for inserting and locking. To solve this problem, the utility model provides a locking device for a battery box of a battery-swapping heavy truck. Content of the Utility Model

[0003] The purpose of the utility model is to provide a locking device for a battery box of a battery-swapping heavy truck to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A locking device for a battery box of a battery-swapping heavy truck includes a base arranged at the bottom of the battery box, and further includes:

[0005] A locking component, which is used for inserting and locking the battery box and the base. The locking component includes fixed blocks symmetrically inserted and connected to the inner side of the base. A cylinder is arranged on the side of the fixed block, and the output end of the cylinder is used for inserting and locking the inner wall of the battery box. A threaded rod is inserted and connected at the insertion part of the fixed block and the base.

[0006] An adjusting component, which is used for adjusting the position of the locking component. The adjusting component includes an adjusting box arranged on the side of the base. A worm is inserted and connected to the side of the adjusting box. A worm gear is meshed with the side of the worm and inside the adjusting box. The end of the threaded rod is inserted and connected to the middle of the worm gear. A connecting part is arranged at the insertion part of the worm gear and the threaded rod.

[0007] Preferably, the connecting part includes a positioning sleeve sleeved on the outer side of the threaded rod, and the positioning sleeve is sleeved on the middle of the worm gear.

[0008] Preferably, a rotating groove block is arranged at one end of the worm and outside the adjusting box, and the rotating groove block is used for driving the rotation of the worm.

[0009] Preferably, a bearing is arranged at the insertion part of the other end of the worm and the inner wall of the adjusting box, and the bearing is used for reducing the rotational friction of the worm.

[0010] Preferably, a moving groove is formed in the inner wall of the base, and the moving groove is used for the insertion and movement of the fixing block.

[0011] Preferably, a plurality of groups of positioning blocks are symmetrically arranged inside the base, and the positioning blocks are used for the installation and fixation of the base and the vehicle body.

[0012] Preferably, buffer pads are symmetrically arranged on the top of the base, and the buffer pads are used to relieve the friction between the top of the base and the bottom of the battery box.

[0013] Preferably, reinforcing rods are symmetrically arranged inside the base, and the reinforcing rods are used to increase the overall strength of the base.

[0014] The technical effects and advantages of the present utility model:

[0015] In the present utility model, a threaded rod is provided at the connection between the fixing block and the base. By manually rotating the worm, the worm drives the worm wheel to rotate through meshing. The rotating worm wheel drives the threaded rod to rotate through the connecting part. The threaded engagement between the threaded rod and the fixing block drives the fixing block to move, so that the position of the cylinder moves. Compared with directly welding the fixing block and the base, this design enables the position of the cylinder to be adjusted according to the position of the locking holes at the bottom of the actual battery box, thereby realizing the locking operation for fixing different models of battery boxes. Description of the drawings

[0016] Figure 1 It is one of the overall structural schematic diagrams of the present utility model.

[0017] Figure 2 It is the second overall structural schematic diagram of the present utility model.

[0018] Figure 3 It is a partial sectional view of the whole of the present utility model.

[0019] Figure 4 It is a sectional view of the adjustment component of the present utility model.

[0020] Figure 5 It is a sectional view of the connection between the base and the fixing block of the present utility model.

[0021] In the figure: 1, base; 101, positioning block; 102, buffer pad; 103, moving groove; 2, fixing block; 3, cylinder; 4, threaded rod; 5, adjustment component; 501, adjustment box; 502, worm wheel; 503, worm; 504, positioning sleeve; 505, bearing; 506, rotating groove block; 6, reinforcing rod. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] The present utility model provides a battery box locking device for a battery-swapping heavy truck as shown in Figures 1-5 Figure, which includes a base 1 provided at the bottom of the battery box, and also includes a locking component and an adjusting component 5;

[0024] It should be noted that a plurality of groups of positioning blocks 101 are symmetrically arranged inside the base 1. The positioning blocks 101 are used for the installation and fixation of the base 1 and the vehicle body. Buffer pads 102 are symmetrically arranged on the top of the base 1. The buffer pads 102 are used to relieve the friction between the top of the base 1 and the bottom of the battery box. Reinforcing bars 6 are symmetrically arranged inside the base 1. The reinforcing bars 6 are used to increase the overall strength of the base 1;

[0025] Specifically, the buffer pad 102 is made of rubber material, which is adhesively bonded to the top of the base 1. The positioning block 101 is fixedly welded to the base 1. The reinforcing bar 6 is fixedly welded to the base 1. A through hole for bolt insertion is opened at the top of the positioning block 101;

[0026] Specifically, the locking component is used to insert and lock the battery box and the base 1. The locking component includes fixing blocks 2 symmetrically inserted and connected inside the base 1. A cylinder 3 is arranged on the side of the fixing block 2. The output end of the cylinder 3 is used to insert and lock the inner wall of the battery box. A threaded rod 4 is threadedly inserted at the insertion part of the fixing block 2 and the base 1;

[0027] It should be noted that a moving groove 103 is opened on the inner wall of the base 1. The moving groove 103 is used for the insertion and movement of the fixing block 2. The cylinder 3 is fixedly welded to the fixing block 2. The output end of the cylinder 3 penetrates the side of the fixing block 2, so as to insert and lock the locking hole provided at the bottom of the battery box. The fixing block 2 can move in the moving groove 103. A threaded hole for the threaded rod 4 to penetrate is opened on the side of the fixing block 2;

[0028] Specifically, the adjusting component 5 is used to adjust the position of the locking component. The adjusting component 5 includes an adjusting box 501 arranged on the side of the base 1. A worm 503 is inserted and connected to the side of the adjusting box 501. A worm gear 502 is engaged with the side of the worm 503 and inside the adjusting box 501. The end of the threaded rod 4 is inserted and connected to the middle of the worm gear 502;

[0029] It should be noted that the adjustment box 501 is fixedly welded to the base 1. At one end of the worm 503 and on the outer side of the adjustment box 501, a rotating groove block 506 is provided. The rotating groove block 506 is provided with an internal hexagonal groove. The rotating groove block 506 is used to drive the rotation of the worm 503. At the intersection of the other end of the worm 503 and the inner wall of the adjustment box 501, a bearing 505 is provided. The bearing 505 is used to reduce the rotational friction of the worm 503;

[0030] Specifically, the middle part of the bearing 505 is fixedly welded to the outer side of the worm 503, and the outer side of the bearing 505 is fixedly adhered to the inner wall of the adjustment box 501 with glue;

[0031] A connecting part is provided at the intersection of the worm gear 502 and the threaded rod 4;

[0032] Specifically, the connecting part includes a positioning sleeve 504 sleeved on the outer side of the threaded rod 4. The positioning sleeve 504 is sleeved on the middle part of the worm gear 502. The inner wall of the positioning sleeve 504 is fixedly welded to the outer side of the threaded rod 4, and the outer side of the positioning sleeve 504 is fixedly welded to the middle part of the worm gear 502. The two ends of the positioning sleeve 504 are in close contact with the inner wall of the adjustment box 501, so that the position of the worm gear 502 cannot shift and can only rotate;

[0033] In the actual use process, a threaded rod 4 is provided at the connection between the fixed block 2 and the base 1. By manually rotating the worm 503, the worm 503 drives the worm gear 502 to rotate through meshing. The rotating worm gear 502 drives the threaded rod 4 to rotate through the connecting part. By using the threaded engagement between the threaded rod 4 and the fixed block 2, the fixed block 2 is driven to move in the moving groove 103, so that the position of the air cylinder 3 moves. Compared with directly welding the fixed block 2 and the base 1, this design enables the position of the air cylinder 3 to be adjusted according to the position of the actual locking holes at the bottom of the battery box, so as to realize the locking operation for fixing different models of battery boxes.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A battery box locking device for a battery-swapping heavy truck, including a base (1) arranged at the bottom of the battery box, characterized in that, It further includes: A locking component for inserting and locking the battery box and the base (1). The locking component includes fixing blocks (2) symmetrically inserted and connected to the inner side of the base (1). A cylinder (3) is arranged on the side of the fixing block (2), and the output end of the cylinder (3) is used to insert and lock the inner wall of the battery box. A threaded rod (4) is inserted and connected to the insertion part of the fixing block (2) and the base (1). An adjusting component (5) for adjusting the position of the locking component. The adjusting component (5) includes an adjusting box (501) arranged on the side of the base (1). A worm (503) is inserted and connected to the side of the adjusting box (501). A worm gear (502) is meshed with the worm (503) inside the adjusting box (501). The end of the threaded rod (4) is inserted and connected to the middle of the worm gear (502). A connecting part is arranged at the insertion part of the worm gear (502) and the threaded rod (4).

2. The battery box locking device for a battery-swapping heavy truck according to claim 1, characterized in that, The connecting part includes a positioning sleeve (504) sleeved on the outer side of the threaded rod (4), and the positioning sleeve (504) is sleeved on the middle of the worm gear (502).

3. The battery box locking device for a battery-swapping heavy truck according to claim 1, characterized in that, One end of the worm (503) is provided with a rotating groove block (506) outside the adjusting box (501), and the rotating groove block (506) is used to drive the rotation of the worm (503).

4. The battery box locking device for a battery-swapping heavy truck according to claim 3, characterized in that A bearing (505) is arranged at the insertion part of the other end of the worm (503) and the inner wall of the adjusting box (501), and the bearing (505) is used to reduce the rotational friction of the worm (503).

5. The battery box locking device for a battery-swapping heavy truck according to claim 1, characterized in that, A moving groove (103) is opened on the inner wall of the base (1), and the moving groove (103) is used for the insertion and movement of the fixing block (2).

6. The battery box locking device for a battery-swapping heavy truck according to claim 5, characterized in that, A plurality of groups of positioning blocks (101) are symmetrically arranged on the inner side of the base (1), and the positioning blocks (101) are used for the installation and fixation of the base (1) and the vehicle body.

7. The battery box locking device for a battery-swapping heavy truck according to claim 6, characterized in that, Buffer pads (102) are symmetrically arranged on the top of the base (1), and the buffer pads (102) are used to relieve the friction between the top of the base (1) and the bottom of the battery box.

8. The locking device for the battery box of a battery-swapping heavy truck according to claim 7, characterized in that Reinforcing rods (6) are symmetrically arranged on the inner side of the base (1), and the reinforcing rods (6) are used to increase the overall strength of the base (1).