Battery lock for charging cabinet

Abstract

The utility model relates to a battery lock for charging cabinet, and aims to solve the technical problems of poor motor driving structure design of the existing similar products, poor stability, inconvenient production and assembly and inconvenient state monitoring. The key point is that the lock hook of the battery lock is arranged at the inner diameter of the metal support of the push rod assembly, one end of the limit post of the curved stamping forming of the lock hook abuts against one end of the limit sheet, the other end of the limit sheet abuts against the linkage column of the double-head cam, the shaft part of the limit sheet is provided with a torsional spring, the output shaft of the motor at one side of the reduction gear box of the motor assembly is connected with the double-head cam, and the motor is arranged at one side of the outer diameter of the side plate of the metal support; the convex part on one side of the front part of the lock hook in the metal support is hinged and fixed in the metal support through the positioning rivet and swings, a first tension spring post is arranged in front of the limit post of the lock hook, a second tension spring post of curved stamping forming is arranged at the metal support below the first tension spring post, and the second tension spring is connected with the first and second tension spring posts.

Description

Technical Field

[0001] This utility model relates to a lock for batteries inside a charging cabinet, specifically a battery lock for a charging cabinet. Background Technology

[0002] Shared new energy battery cabinets, also known as shared battery swapping cabinets, are a form of existing charging cabinets. They are centralized, unattended, intelligent cabinet-style devices that store multiple fully charged standardized lithium batteries. Users can scan a QR code via a mobile app or mini-program to retrieve a fully charged battery and return the depleted battery from their vehicle, enabling quick battery replacement and alleviating range anxiety. Simultaneously, they solve the range and charging problems of urban light electric vehicles, making them popular with frequent users such as food delivery and courier services. With technological maturity, market expansion, and policy support, they are expected to become an important component of new urban infrastructure, with huge future development potential. Existing charging cabinets with locking hooks include patent application number 202320518841.6 disclosed in Chinese patent literature, authorized on August 1, 2023, with the utility model name "Reliable Multi-Compartment Battery Swapping Cabinet"; however, the motor drive structure design of the above products and similar products is suboptimal, resulting in poor stability, inconvenient production and assembly, and difficulty in status monitoring. Summary of the Invention

[0003] To overcome the aforementioned shortcomings, the purpose of this utility model is to provide a battery lock for charging cabinets, thereby solving the technical problems of poor motor drive structure design in existing similar products, which leads to poor stability, inconvenient production and assembly, and inconvenient status monitoring. This objective is achieved through the following technical solution.

[0004] A battery lock for a charging cabinet, wherein the lock body is symmetrically arranged on both sides of the rear of the battery compartment shell inside the charging cabinet via sheet metal brackets, or the lock body is symmetrically arranged on both sides of a sheet metal bracket formed by bending and stamping in a "[" shape at the rear of the battery compartment shell inside the charging cabinet. The lock body is provided with a lock hook that unlocks by swinging or locks by collision. The key structural design point is that a push rod assembly is provided in a side groove formed by bending and stamping on one side of the outer diameter of the sheet metal bracket. One end of the push rod of the push rod assembly extends out of the sheet metal bracket by spring action and extends into the battery compartment shell to abut against the rear of the battery. The lock hook is located on the inner diameter of the sheet metal bracket at the push rod. The hook end of the lock hook extends out of the front of the sheet metal bracket and simultaneously extends into a through hole in the rear of the battery compartment shell to engage with the hook shaft on one side of the battery end shell at the rear of the battery in the battery compartment shell. The other end of the lock hook is a limiting post formed by bending and stamping and a limiting piece. The two ends of the limiting plate abut against each other, and the other end of the limiting plate abuts against the linkage column of the double-headed cam. The limiting plate is fixedly set on the shaft of the sheet metal bracket and has a torsion spring to facilitate the reset of the limiting plate. At least one protrusion of the double-headed cam on one side of the limiting plate abuts against at least one micro switch fixed to the sheet metal bracket. The double-headed cam is connected to the output shaft extending from one side of the reduction gearbox of the motor assembly. The transmission shaft at the motor of the motor assembly is connected to the transmission gear in the reduction gearbox. The motor assembly is set on one side of the outer diameter of the side plate of the sheet metal bracket. The protrusion of the front part of the locking hook in the sheet metal bracket is hinged and fixed to the inside of the sheet metal bracket by a positioning rivet. At the same time, a first tension spring column is provided in front of the limiting column of the locking hook. A second tension spring column is provided in the sheet metal bracket below the first tension spring column and bent and stamped. The two ends of the second tension spring are respectively connected to the first tension spring column of the locking hook and the second tension spring column of the sheet metal bracket.

[0005] The other side of the double-headed cam is provided with a protruding stop block, and the sheet metal bracket corresponding to the stop block is provided with a first stop post formed by bending and stamping. The edge of the sheet metal bracket on one side of the linkage post of the double-headed cam is provided with a second stop post formed by bending and stamping. When the double-headed cam pushes the limiting plate to rotate to one side through the linkage post, the stop block of the double-headed cam abuts against the first stop post of the sheet metal bracket. When the limiting plate is reset to the other side by the torsion spring, the end of the limiting plate at one end of the linkage post is limited to the second stop post of the sheet metal bracket.

[0006] The two protrusions on one side of the double-headed cam are arranged in upper and lower layers, respectively. The two protrusions of the double-headed cam correspond to the second and third micro switches fixed on the sheet metal bracket. The second and third micro switches are either located inside the outer cover of the second micro switch fixed to the sheet metal bracket, or the linkage post of the double-headed cam is located at the end of the long plate of the other protrusion. Thus, when the lock hook swings to unlock or lock, the protrusions of the double-headed cam trigger the corresponding second or third micro switch.

[0007] The limiting piece is L-shaped, and the positioning rivet is set at the bend of the limiting piece. The long side end of the limiting piece abuts against and limits the linkage column on one side of the double-headed cam. The above is a specific structural embodiment of the limiting piece.

[0008] The hook portion has a 70-degree downward-facing locking shaft inlet. Above the inlet opening, there is a chamfered edge and chamfered head with a downward angle of less than 15 degrees. Below the inlet opening, there is a downward-facing triangular opening at a 60-degree angle, parallel to the hook portion opening on one side. One end of the triangular opening within the inlet opening is higher than the chamfered head opening on the other side, and one end of the inlet opening within the triangular opening is lower than the symmetrical opening on the other side. The chamfered head, the inlet opening, and the inner side of the triangular opening of the hook increase in size sequentially. The above-described hook is a specific structural embodiment of an irregularly shaped hook.

[0009] The outer diameter of one side of the positioning rivet of the lock hook is provided with a protruding edge, and at least one side of the sheet metal bracket above or below the protruding edge is provided with a limiting plate that limits the swing amplitude of the lock hook and is formed by bending and stamping.

[0010] The tail end of the locking hook's limiting post passes through the swing hole in the side plate of the sheet metal bracket, which is bent and stamped at the rear. Alternatively, the sheet metal bracket at the swing hole is fixed with a reinforcing member, and the tail end of the locking hook passes through the plate hole of the reinforcing plate.

[0011] The inner side of the positioning rivet of the lock hook is provided with a detection piece that fits the lock hook and is simultaneously fixed to the inner side of the sheet metal bracket by one end of the positioning rivet. At least one snap-fit ​​post is provided at the first screw and the other end of the detection piece to hold and fix it to the lock hook, making the detection piece and the lock hook an integral unit. One end of the first tension spring at the hinge of the positioning rivet at one end of the detection piece is connected to the third tension spring post of the detection piece, and the other end of the first tension spring is connected to the fourth tension spring post of the lock hook or the first microswitch cover fixedly installed on the lock hook. The other end of the detection piece is conveniently located above the bottom groove of the guide opening at the hook portion of the lock hook. At least the roller at the end of the positioning rivet of the detection piece or the lug on one side of the outer diameter of the detection piece is aligned with or abuts against the moving spring of the first microswitch installed on the lock hook. The three microswitches formed by the first microswitch, the second microswitch, and the third microswitch more accurately monitor the working status of the lock hook in real time.

[0012] The first micro switch is mounted on one side of the lock hook via a first micro switch cover. The moving spring of the first micro switch extends out of an opening on one side of the first micro switch cover, and the first micro switch cover is fixedly mounted on one side of the lock hook. The above is a specific structural embodiment of the first micro switch being mounted on one side of the lock hook via a first micro switch cover.

[0013] The push rod is T-shaped, with the T-shaped end on one side of the battery compartment shell. One end of the push rod extends out of the sheet metal bracket and abuts against the rear of the battery inside the battery compartment shell. The other end of the push rod passes through the guide ears symmetrically arranged on both sides of the sheet metal bracket and abuts against one end of the spring. The other end of the spring is fixed to the spring plates on both sides of the outer diameter of the sheet metal bracket. Simultaneously, the push rod is fixed to the guide ear on the front side of the sheet metal bracket by a limiting member on one side of the outer diameter and moves within it. The guide ear of the sheet metal bracket may have a sleeve that passes through the push rod. The above limiting is not limited to screws; rivets, pins, etc., can also be used for positioning and installation. The locking hook can also be provided with a sliding hole on one side of the positioning rivet and limited by the corresponding pin of the sheet metal bracket, as needed.

[0014] This utility model has a reasonable structural design, is easy to assemble and install, has good stability, and provides comprehensive status monitoring. In particular, the double-headed cam at the drive shaft at one end of the lock hook corresponds to two microswitches for detection. It is suitable for use as a battery lock for charging cabinets and is an improvement on the structure of similar products. Attached Figure Description

[0015] Figure 1 This is a partial exploded structural diagram of an embodiment of this utility model.

[0016] Figure 2 yes Figure 1 A magnified schematic diagram of the limiting plate structure.

[0017] Figure 3 yes Figure 1 A magnified schematic diagram of the double-headed cam structure.

[0018] Figure 4 yes Figure 3 A schematic diagram of the rear structure.

[0019] Figure 5 yes Figure 1 A schematic diagram of the assembled three-dimensional structure.

[0020] Figure 6 yes Figure 5 A schematic diagram of the usage state structure, with some dashed lines representing the internal structure.

[0021] Figure 7 yes Figure 6 A schematic diagram of the side structure.

[0022] Figure 8 yes Figure 7 A schematic diagram of the rear view structure.

[0023] Figure 9 yes Figure 5 A schematic diagram of the left-side view structure.

[0024] Figure 10 yes Figure 9 A schematic diagram of the improved structure.

[0025] Attached Figure Numbers and Names: 1. Motor Assembly; 101. Reduction Gearbox; 102. Motor; 2. Sheet Metal Bracket; 201. Second Tension Spring Column; 202. Limiting Plate; 203. Swing Hole; 204. First Stop Column; 205. Second Stop Column; 3. Spring; 4. Positioning Rivet; 5. Rod Sleeve; 6. Push Rod; 7. Pin; 8. Reinforcing Component; 9. Torsion Spring; 10. Limiting Plate; 11. Double-Headed Cam; 110 1. Linkage column; 1102. Stop block; 12. Locking hook; 1201. Hook part; 1202. Limiting column; 1203. First tension spring column; 13. Detection piece; 1301. Buckling column; 14. First tension spring; 15. First micro switch cover; 16. First micro switch; 17. Second micro switch cover; 18. Second micro switch; 19. Third micro switch; 20. Second tension spring; 21. Locking shaft. Implementation

[0026] The structure and use of this utility model will now be further described with reference to the accompanying drawings. Figures 1-9 As shown, the lock body of the battery lock is symmetrically arranged on both sides of the rear of the battery compartment shell inside the charging cabinet via sheet metal brackets 2. The lock body is provided with a lock hook 12 that can be unlocked by swinging or locked by collision. A push rod assembly is provided in a side groove formed by bending and stamping on one side of the outer diameter of the sheet metal bracket. One end of the push rod 6 of the push rod assembly extends out of the sheet metal bracket by the action of a spring 3 and extends into the battery compartment shell to abut against the rear of the battery. The lock hook is set at the inner diameter of the sheet metal bracket at the push rod. The hook part 1201 at one end of the lock hook extends out of the front of the sheet metal bracket and simultaneously extends into the through hole at the rear of the battery compartment shell to engage with the hook shaft 21 on the side of the battery end shell at the rear of the battery inside the battery compartment shell. The other end of the lock hook is a limit post 1202 formed by bending and stamping, which abuts against one end of the limit plate 10. The other end of the limit plate abuts against the linkage post 1101 of the double-headed cam 11. The limit plate is fixed. A torsion spring 9 is provided on the shaft of the sheet metal bracket to facilitate the reset of the limiting plate. At least one side of the double-headed cam on one side of the limiting plate protrudes and abuts against at least one micro switch fixed to the sheet metal bracket. The double-headed cam is connected to the output shaft extending from one side of the reduction gearbox 101 of the motor assembly 1. The transmission shaft at the motor 102 of the motor assembly is connected to the transmission gear in the reduction gearbox. The motor assembly is located on one side of the outer diameter of the side plate of the sheet metal bracket. The protruding part of the front of the locking hook in the sheet metal bracket is hinged and fixed to the inside of the sheet metal bracket by the positioning rivet 4. At the same time, a first tension spring post 1203 is provided in front of the limiting post of the locking hook. A second tension spring post 201 formed by bending and stamping is provided on the sheet metal bracket below the first tension spring post. The two ends of the second tension spring 201 are respectively connected to the first tension spring post of the locking hook and the second tension spring post of the sheet metal bracket.

[0027] The other side of the aforementioned double-headed cam is provided with a protruding stop block 1102. The sheet metal bracket corresponding to the stop block is provided with a first stop post 204 formed by bending and stamping. The edge of the sheet metal bracket on one side of the linkage post of the double-headed cam is provided with a second stop post 205 formed by bending and stamping. When the double-headed cam pushes the limiting plate to rotate to one side through the linkage post, the stop block of the double-headed cam abuts against the first stop post of the sheet metal bracket. When the limiting plate is reset to the other side by the torsion spring, the end of the limiting plate at one end of the linkage post is limited to the second stop post of the sheet metal bracket. The two protrusions on one side of the double-headed cam are respectively arranged in upper and lower layers. The two protrusions of the double-headed cam correspond to the second micro switch 18 and the third micro switch 19 fixed on the sheet metal bracket, respectively. The second micro switch and the third micro switch are arranged inside the second micro switch cover 17 fixed on the outer side of the sheet metal bracket. The linkage post of the double-headed cam is arranged at the end of the long plate of the protrusion on the other side. The limiting piece is L-shaped, and the positioning rivet is set at the bend of the limiting piece. The long side end of the limiting piece abuts against the linkage column on one side of the double-headed cam.

[0028] The hook portion of the aforementioned lock has a 70-degree downward-facing lock shaft inlet. Above the inlet opening of the hook portion, there is a chamfered edge and chamfered head with a downward angle of less than 15 degrees. Below the inlet opening of the hook portion, there is a downward-facing triangular opening with one side parallel to the hook portion opening and at a 60-degree angle. One end of the triangular opening inside the inlet opening of the hook portion is higher than the chamfered head opening on the other side, and one end of the inlet opening of the triangular opening is lower than the symmetrical opening on the other side. The chamfered head, inlet opening, and inner side of the triangular opening of the lock hook are arranged in ascending order. One side of the outer diameter of the positioning rivet of the lock hook has a protruding edge. At least one side of the sheet metal bracket above or below the protruding edge has a limiting plate 202 that is bent and stamped to limit the swing amplitude of the lock hook. One end of the limiting post of the lock hook passes through the swing hole 203 in the side plate of the sheet metal bracket that is bent and stamped at the rear. At the same time, a reinforcing member 8 is fixedly provided in the sheet metal bracket at the swing hole, and the tail of the lock hook passes through the plate hole of the reinforcing plate.

[0029] The inner side of the positioning rivet of the aforementioned lock hook is provided with a detection piece 13 that fits the lock hook and is simultaneously fixed to the inner side of the sheet metal bracket by one end of the positioning rivet. The first screw of the detection piece and at least one snap-fit ​​post 1301 that is tightly fixed to the lock hook are provided at the other end. The detection piece and the lock hook are integrated. One end of the first tension spring 14 at the hinge of the positioning rivet of one end of the detection piece is connected to the third tension spring post of the detection piece. The other end of the first tension spring is connected to the fourth tension spring post fixedly set on the first micro switch cover 15 of the lock hook. The other end of the detection piece is convenient to extend into the bottom groove of the opening at the hook of the lock hook. At least the roller at the end of the positioning rivet of the detection piece is aligned or abutted with the moving spring of the first micro switch 16 set on the lock hook. The first micro switch is set on one side of the lock hook through the first micro switch cover. The moving spring of the first micro switch extends out of the opening on one side of the first micro switch cover. The first micro switch cover is fixedly set on one side of the lock hook.

[0030] The aforementioned push rod is T-shaped, with the end of the push rod on one side of the battery compartment housing being a T-shaped end. One end of the push rod extends out of the sheet metal bracket and abuts against the rear of the battery inside the battery compartment housing. The other end of the push rod passes through the through holes of the guide ears symmetrically arranged on both sides of the sheet metal bracket and abuts against one end of the spring. The other end of the spring is fixed to the spring plates on both sides of the outer diameter of the sheet metal bracket. At the same time, the push rod is fixed to the guide ear on the front side of the sheet metal bracket by the pin 7 on one side of the outer diameter and moves within it. The guide ear of the sheet metal bracket is provided with a rod sleeve 5 that passes through the push rod.

[0031] like Figure 10 As shown, the lock bodies are symmetrically arranged on both sides of the sheet metal bracket formed by symmetrical bending and stamping on both sides of the rear of the battery compartment shell inside the charging cabinet in a "[" shape.

[0032] When in use, the battery is pushed into the battery compartment housing. The lock body is symmetrically arranged on both sides of the rear of the battery compartment housing through sheet metal brackets. The hook part of the lock body is hooked through the through hole at the rear of the battery compartment housing and simultaneously engaged with two hook shafts on one side of the battery end shell at the rear of the battery in the battery compartment housing. The detection plate swings open and triggers the moving spring at the first micro switch on one side. At the same time, the tail of the other end of the locking hook passes through the hole in the reinforcing plate of the plate bracket. Simultaneously, one of the protrusions on the double-headed cam of the transmission shaft at the motor on the side plate of the sheet metal bracket on one side of the hole abuts against the moving spring of a micro switch. The linkage column of the double-headed cam pushes the limiting plate at one end of the abutting point to swing. The limiting plate at the other end is reset through the limiting column of the locking hook at the abutting point and the second tension spring, pushing the locking hook to swing. The locking hooks on both sides of the lock body simultaneously unlock the two hook shafts on the side of the battery end shell at the rear of the battery in the battery compartment. At this time, the battery can be pulled out from the battery compartment. The push rod is pushed out by the spring. After the battery is pulled out, the limiting plate is reset by the torsion spring, and drives the locking hook and the double-headed cam to automatically reset. At the same time, the other protrusion of the double-headed cam abuts against the moving spring of another micro switch. The detection plate is reset by the first tension spring, and the second tension spring is deformed.

Claims

1. A battery lock for a charging cabinet, wherein the lock body is symmetrically arranged on both sides of the rear of the battery compartment shell inside the charging cabinet via sheet metal brackets (2), or the lock body is symmetrically arranged on both sides of a sheet metal bracket formed by bending and stamping in a "[" shape at the rear of the battery compartment shell inside the charging cabinet, and the lock body is provided with a lock hook (12) for unlocking by swinging or locking by collision; characterized in that A push rod assembly is provided in the side groove formed by bending and stamping on one side of the outer diameter of the sheet metal bracket (2). One end of the push rod (6) of the push rod assembly extends out of the sheet metal bracket through the action of the spring (3) and extends into the battery compartment shell to abut against the rear of the battery. The locking hook (12) is set at the inner diameter of the sheet metal bracket at the push rod. The hook part (1201) at one end of the locking hook extends out of the front of the sheet metal bracket and simultaneously extends into the through hole at the rear of the battery compartment shell to engage with the hook shaft (21) on the side of the battery end shell at the rear of the battery in the battery compartment shell. The limiting post (1202) formed by bending and stamping at the other end of the locking hook abuts against one end of the limiting piece (10). The other end of the limiting piece abuts against the linkage post (1101) of the double-headed cam (11). The limiting piece is fixedly set on the shaft of the sheet metal bracket and is provided with a torsion spring (9) to facilitate the reset of the limiting piece. At least one side of the double-headed cam on one side of the limiting plate protrudes against at least one micro switch fixed to the sheet metal bracket. The double-headed cam is connected to the output shaft extending from one side of the reduction gearbox (101) of the motor assembly (1). The transmission shaft at the motor (102) of the motor assembly is connected to the transmission gear inside the reduction gearbox. The motor assembly is located on one side of the outer diameter of the side plate of the sheet metal bracket. The protruding part of the front part of the locking hook inside the sheet metal bracket is hinged and fixed to the inside of the sheet metal bracket by the positioning rivet (4). At the same time, a first tension spring post (1203) is provided in front of the limiting post of the locking hook. A second tension spring post (201) formed by bending and stamping is provided at the sheet metal bracket below the first tension spring post. The two ends of the second tension spring (20) are respectively connected to the first tension spring post of the locking hook and the second tension spring post of the sheet metal bracket.

2. The battery lock for the charging cabinet according to claim 1, characterized in that... The other side of the double-headed cam (11) is provided with a protruding stop block (1102), and the sheet metal bracket (2) corresponding to the stop block is provided with a first stop post (204) formed by bending and stamping. The sheet metal bracket edge of the linkage post (1101) of the double-headed cam is provided with a second stop post (205) formed by bending and stamping. When the double-headed cam pushes the limiting piece (10) to rotate to one side through the linkage post, the stop block of the double-headed cam abuts against the first stop post of the sheet metal bracket. When the limiting piece is reset to the other side through the torsion spring (9), the end of the limiting piece at one end of the linkage post is limited to the second stop post of the sheet metal bracket.

3. The battery lock for the charging cabinet according to claim 2, characterized in that... The two protrusions on one side of the double-headed cam (11) are arranged in layers, and the two protrusions of the double-headed cam correspond to the second micro switch (18) and the third micro switch (19) fixed on the sheet metal bracket (2). The second micro switch and the third micro switch are either set inside the second micro switch cover (17) fixed on the outside of the sheet metal bracket. The linkage column (1101) of the double-headed cam is set at the end of the long plate of the protrusion on the other side.

4. The battery lock for the charging cabinet according to claim 1, characterized in that... The limiting piece (10) is L-shaped, and the positioning rivet (4) is set at the bending part of the limiting piece. The long side end of the limiting piece abuts against the linkage column (1101) on one side of the double-headed cam (11).

5. The battery lock for the charging cabinet according to claim 1, characterized in that... The hook (1201) of the lock hook (12) has a lock shaft guide opening at a 70-degree angle from the horizontal plane downwards. Above the guide opening of the hook part is a chamfered edge and chamfered head at a less than 15-degree angle from the horizontal plane downwards. Below the guide opening of the hook part is a downward triangular opening that is parallel to the hook part opening on one side and at a 60-degree angle. The opening end of one side of the triangular opening inside the guide opening of the hook part is higher than the opening end of the chamfered head on the other side. The opening end of one side of the guide opening of the triangular opening is lower than the opening end of the symmetrical other side. The chamfered head, the guide opening, and the inner side of the triangular opening of the lock hook are arranged to increase in size in sequence.

6. The battery lock for the charging cabinet according to claim 1, characterized in that... The outer diameter of the positioning rivet (4) of the lock hook (12) is provided with a protruding edge, and the sheet metal bracket (2) above or below the protruding edge is provided with a limiting plate (202) that limits the swing amplitude of the lock hook and is bent and stamped.

7. The battery lock for the charging cabinet according to claim 1, characterized in that... The tail of the limiting post (1202) of the lock hook (12) passes through the swing hole (203) at the side plate of the sheet metal bracket (2) which is bent and stamped at the rear, or the sheet metal bracket at the swing hole is fixed with a reinforcing member (8), and the tail of the lock hook passes through the plate hole of the reinforcing plate.

8. The battery lock for the charging cabinet according to claim 1, characterized in that... The inner side of the positioning rivet (4) of the lock hook (12) is provided with a detection piece (13) that fits the lock hook and is fixed to the inner side of the sheet metal bracket (2) by the positioning rivet at one end. The first screw of the detection piece and the other end are provided with at least one buckle post (1301) that is tightly fixed to the lock hook. The detection piece and the lock hook are connected as one piece. One end of the first tension spring (14) at the hinge of the positioning rivet at one end of the detection piece is connected to the third tension spring post of the detection piece. The other end of the first tension spring is connected to the fourth tension spring post of the lock hook or the first micro switch cover (15) fixedly set on the lock hook. The other end of the detection piece is convenient to be inserted into the bottom groove of the hook (1201) of the lock hook. At least the end roller of the positioning rivet of the detection piece or the lug on one side of the outer diameter of the detection piece is aligned or abutted with the moving spring of the first micro switch (16) set on the lock hook.

9. The battery lock for the charging cabinet according to claim 8, characterized in that... The first micro switch (16) is disposed on one side of the lock hook (12) through the first micro switch cover (15). The moving spring of the first micro switch extends out of the opening on one side of the first micro switch cover. The first micro switch cover is fixedly disposed on one side of the lock hook.

10. The battery lock for the charging cabinet according to claim 1, characterized in that... The push rod (6) is T-shaped. The end of the push rod on one side of the battery compartment is T-shaped. One end of the push rod extends out of the sheet metal bracket (2) and abuts against the rear of the battery inside the battery compartment. The other end of the push rod passes through the guide ears symmetrically arranged on both sides of the sheet metal bracket and abuts against one end of the spring (3). The other end of the spring is fixed to the spring plates on both sides of the outer diameter of the sheet metal bracket. At the same time, the push rod is fixed in the guide ear on the front side of the sheet metal bracket by the limiting member on one side of the outer diameter and moves. The guide ear of the sheet metal bracket may be provided with a rod sleeve (5) that passes through the push rod.

Images