Electric suction locking device and operation method thereof

By setting up an electromagnetic adsorption block and a lifting sleeve in the electric locking device of the car tailgate, the automatic locking function of the lock hook is realized, and modularly assembled through the positioning seat, the problems of excessive size and inconvenient assembly in the prior art are solved, and the application range and maintenance convenience are improved.

CN119616313AInactive Publication Date: 2025-03-14ZHEJIANG TIANYUE AUTOMOBILE ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202411828544.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The lock components of the existing automotive tailgate electric lock device are large in size and cannot be suitable for operations in scenarios where space is insufficient. The scattered component structure is not conducive to assembly and maintenance, which increases maintenance costs.

Method used

By setting up an electromagnetic adsorption block and a lift sleeve, the position of the lock hook is lifted and lowered by the electromagnetic adsorption function, making it have an automatic locking function, reducing the size of the locking assembly, and modular assembly is achieved through the positioning seat.

Benefits of technology

The size of the lock assembly is greatly reduced, the application range is increased, the assembly efficiency is improved, and the later maintenance is convenient and maintenance costs are reduced.

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Abstract

The invention discloses an electric suction lock catch device and an operation method thereof, and belongs to the technical field of tail door electric suction locks, an electric suction lock catch mounting seat is fixedly mounted on the surface of an electric suction lock catch device body, a mounting groove is formed in the surface of the electric suction lock catch mounting seat, and a positioning seat and an electromagnetic suction block are detachably connected to the inner wall of the mounting groove; the surface of the positioning seat is provided with a first mounting hole and a second mounting hole, the inner wall of the first mounting hole is slidably sleeved with a lifting sleeve, and one end of the lifting sleeve is rotatably connected with a lock hook. According to the lock catch assembly, the lifting sleeve and the lock hook are arranged, then the lock hook has the automatic lock catch function, the size of the lock catch assembly is greatly reduced, the application range is enlarged, the lifting sleeve and the lock hook can be modularly assembled through the arranged positioning base, the assembling efficiency is improved, and meanwhile great convenience is brought to later overhaul.
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Description

Technical Field

[0001] The present invention relates to the technical field of tailgate electric suction locks, and more specifically, to an electric suction lock device and an operating method thereof. Background Art

[0002] The electric suction lock device is a locking structure currently used in automobiles. Because of its excellent locking performance, it can firmly close and lock the trunk of the car, and because it is controlled by an electromagnet, it is also convenient to operate in practice. The lock components in the commonly used electric suction lock devices are mostly large in size and cannot be used in scenes with insufficient space. In addition, the structure of the lock components is scattered and not conducive to assembly. At the same time, it brings great inconvenience to the later inspection and maintenance of the lock components, increasing the maintenance cost.

[0003] For example, announcement number CN221546681U discloses an electric suction lock for the tailgate of a car, including an electric suction lock buckle body, a fixing seat fixedly connected to the electric suction lock buckle body, a mounting structure detachably connected to the electric suction lock buckle body, the mounting structure including a mounting plate, a mounting plate slidably connected between the electric suction lock buckle body and the fixing seat, a lock buckle detachably connected to the mounting plate, a limiting ring fixedly connected to the lock buckle, the limiting ring and the mounting plate are plugged into each other, a limiting groove is provided in the limiting ring, a limiting rod is slidably connected to the mounting plate, and the limiting rod and the limiting groove are plugged into each other.

[0004] It can be seen from the above-mentioned public scheme that the lock buckle of the electric suction lock is large in size, and the space required during the locking action is large, which cannot be used in scenes with insufficient space, narrowing the scope of application. In addition, components such as the lock buckle and spring are installed in the groove of the fixed seat, and modular operation cannot be formed. At the same time, the electric suction lock device needs to be disassembled for maintenance at the later stage, which brings inconvenience to the maintenance operation and increases the maintenance cost. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide an electric suction lock device and an operating method thereof. The electric suction lock device and the operating method thereof, through the provision of an electromagnetic adsorption block and a lifting sleeve, can lift the position of the lock hook through the electromagnetic adsorption function, so that the lock hook has the function of automatic locking, which greatly reduces the size of the lock assembly and increases the scope of application. Moreover, through the provision of a positioning seat, the lifting sleeve and the lock hook can be modularly assembled, which not only increases the assembly efficiency, but also brings great convenience to the subsequent maintenance.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] The electric suction lock buckle device comprises an electric suction lock buckle device body and an electric suction lock buckle mounting seat, wherein the electric suction lock buckle mounting seat is fixedly mounted on the surface of the electric suction lock buckle device body, the surface of the electric suction lock buckle mounting seat is provided with a mounting groove, the inner wall of the mounting groove is detachably connected with a positioning seat and an electromagnetic adsorption block, the surface of the positioning seat is provided with a first mounting hole and a second mounting hole, the inner wall of the first mounting hole is slidably sleeved with a lifting sleeve, one end of the lifting sleeve is rotatably connected with a lock hook, and a reset spring is arranged at the center position of the second mounting hole, one end of the reset spring is detachably connected to the bottom of the lock hook, the electric suction lock buckle device and its operation method, through the provided electromagnetic adsorption block and lifting sleeve, the position of the lock hook can be lifted and lowered through the electromagnetic adsorption function, so that the lock hook has the function of automatic locking, which greatly reduces the size of the lock buckle assembly and increases the scope of application, and through the provided positioning seat, the lifting sleeve and the lock hook can be modularly assembled, which not only increases the assembly efficiency, but also brings great convenience to the later maintenance.

[0008] Furthermore, a connecting ring is fixedly connected to the surface of the lock hook, the connecting ring is in the shape of a semicircular ring and surrounds a hanging hole, one end of the reset spring is provided with a hook, the hook is buckled with the hanging hole, and the setting of the connecting ring facilitates the quick connection between the lock hook and one end of the reset spring.

[0009] Furthermore, a clearance groove is provided at one end of the lifting sleeve, the inner wall of the clearance groove is rotatably connected to a shaft rod, and a connecting block is fixedly sleeved on the surface of the shaft rod, so that one end of the locking hook has a rotating function.

[0010] Furthermore, the lifting sleeve is made of iron metal material, and one end of the lifting sleeve is fixedly connected to a limiting block. The outer diameter of the limiting block is larger than the inner diameter of the first mounting hole. The limiting block can limit the lifting position of the lifting sleeve and has a counterweight function to facilitate the falling of the lifting sleeve.

[0011] Furthermore, a groove is provided at one end of the positioning seat, the cross-sectional shape of the groove is arc-shaped, and the inner wall of the groove is in contact with the surface of the lock hook, which can increase the contact area with the lock hook and reduce the wear on the surface of the lock hook.

[0012] Furthermore, the connection block is cylindrical in shape, and the surface of the connection block is fixedly connected to one end of the locking hook.

[0013] Furthermore, the surface of the electric suction lock device body is threadedly connected with a first adjustment screw and a second adjustment screw, so that the position of the lock hook can be adjusted.

[0014] Furthermore, an electromagnetic coil is arranged inside the electromagnetic adsorption block, and the lifting of the lifting sleeve can be controlled by the electromagnetic adsorption force.

[0015] An operating method of an electric locking device of the present invention is characterized by comprising the following steps: First, fasten the electric suction lock buckle mounting base to the surface of the electric suction lock buckle device body with screws; Then, the electric suction lock device body with the electric suction lock mounting seat is fixed on the tailgate by screws, and the locking column connected with the lock hook is fixed on the vehicle body; Then close the tailgate so that the center hole of the locking post is at the bend of the lock hook; Then the car door lock control system controls the electromagnetic adsorption block to be energized, so that the electromagnetic adsorption block generates electromagnetic adsorption force; The electromagnetic adsorption block generates electromagnetic adsorption force to adsorb the lifting sleeve to move, thereby driving the lock hook to move upward; Then the lock hook moves upward to pull the return spring, so that the return spring generates a tensile elastic force, and at the same time the lock hook moves upward so that the surface of the lock hook contacts the surface of the locking column; Then the locking column squeezes the lock hook to rotate one end of it, so that the locking column slides into the hook of the lock hook and snaps in, thus completing the locking of the tailgate; When the tailgate needs to be opened, the electromagnetic adsorption block can be powered off through the vehicle door lock control system, thereby causing the electromagnetic adsorption block to lose its electromagnetic adsorption force; The electromagnetic adsorption block loses its electromagnetic adsorption force, causing the lifting sleeve to move downward under the action of the counterweight limit block. At the same time, the tensile force of the reset spring causes the lock hook to move downward and reset, thereby causing the lock hook to disengage from the locking column, allowing the tailgate to open.

[0016] Furthermore, the locking column is U-shaped, and a central hanging hole is provided in the middle position to facilitate the locking column and the lock hook to be buckled, thereby fixing the closed position of the tailgate.

[0017] Compared with the prior art, the advantages of the present invention are: (1) The electromagnetic adsorption block and the lifting sleeve provided in the present invention can lift and lower the position of the lock hook through the electromagnetic adsorption function, thereby enabling the lock hook to have an automatic locking function, greatly reducing the size of the lock assembly and expanding the scope of application.

[0018] (2) The present invention provides a positioning seat so that the lifting sleeve and the locking hook can be assembled in a modular manner, which not only increases the assembly efficiency but also brings great convenience to subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 A side view of the electric suction lock mounting seat structure; Figure 3for Figure 2 A top view of the overall structure of the electric suction lock buckle mounting base; Figure 4 for Figure 3 A magnified view of part A; Figure 5 for Figure 4 A schematic diagram of the positioning seat structure; Figure 6 for Figure 4 Side view of the lifting sleeve and locking hook installation structure.

[0020] Description of the numbers in the figure: 1. Electric suction lock device body, 2. Electric suction lock mounting seat, 21. First adjustment screw, 22. Second adjustment screw, 23. Mounting groove, 3. Positioning seat, 31. First mounting hole, 32. Second mounting hole, 33. Groove, 4. Electromagnetic adsorption block, 5. Lifting sleeve, 5. Shaft rod, 5. Lock hook, 5. Connecting ring, 5. Limiting block, 5. Connecting block, 6. Reset spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figure 1-6, an electric suction lock device, comprising an electric suction lock device body 1 and an electric suction lock mount 2, an electromagnetic adsorption block 4 arranged on the electric suction lock mount 2 is provided with an external power supply wire, the external power supply wire is electrically connected to the electric suction lock device body 1, and the electric suction lock device body 1 is connected to the automobile door lock control system through a wire, so that the electromagnetic adsorption block 4 can be automatically powered on and off under the control of the automobile door lock control system, its composition structure and working principle are well known to those skilled in the art, and will not be described in detail here, the surface of the electric suction lock device body 1 is connected with a first adjusting screw 21 and a second adjusting screw 22 through a thread, the surfaces of the first adjusting screw 21 and the second adjusting screw 22 are provided with external threads, and the surface of the electric suction lock mount 2 is provided with two countersunk holes, which are convenient for the first adjusting screw 21 and the second adjusting screw 22 to pass through, so that the surfaces of the first adjusting screw 21 and the second adjusting screw 22 are connected to the threaded holes on the surface of the electric suction lock device body 1, and the first adjusting screw 21 and the second adjusting screw 22 can be adjusted clockwise and counterclockwise by a screwdriver. By rotating, the position of the lock hook 52 can be adjusted. The electric suction lock buckle mounting seat 2 is fixedly mounted on the surface of the electric suction lock buckle device body 1. The surface of the electric suction lock buckle mounting seat 2 is provided with a mounting groove 23. The inner wall of the mounting groove 23 is detachably connected with a positioning seat 3 and an electromagnetic adsorption block 4. The electromagnetic adsorption block 4 is arranged just above one end of the lifting sleeve 5. When the electromagnetic adsorption block 4 is energized to generate an electromagnetic adsorption force, the lifting sleeve 5 can be driven to move upward. An electromagnetic coil is arranged inside the electromagnetic adsorption block 4, and the lifting of the lifting sleeve 5 can be controlled by the electromagnetic adsorption force. A groove 33 is provided at one end of the seat 3, and the cross-sectional shape of the groove 33 is arc-shaped. The inner wall of the groove 33 is in contact with the surface of the lock hook 52, which can increase the contact area with the lock hook 52 and reduce the wear on the surface of the lock hook 52. The surface of the positioning seat 3 is provided with a first mounting hole 31 and a second mounting hole 32. The inner wall of the first mounting hole 31 is slidably sleeved with a lifting sleeve 5, and one end of the lifting sleeve 5 is rotatably connected to the lock hook 52. A return spring 6 is provided at the center position of the second mounting hole 32, and one end of the return spring 6 is detachably connected to the bottom of the lock hook 52.

[0023] A connecting ring 53 is fixedly connected to the surface of the lock hook 52. The connecting ring 53 is in the shape of a semicircular ring and surrounds a hanging hole. A hook is provided at one end of the reset spring 6, and the hook is buckled with the hanging hole. The setting of the connecting ring 53 facilitates the quick connection between the lock hook 52 and one end of the reset spring 6. An air avoidance groove is provided at one end of the lifting sleeve. The inner wall of the air avoidance groove is rotatably connected to the shaft rod 51. A connecting block 55 is fixedly sleeved on the surface of the shaft rod 51, so that one end of the lock hook 52 has a rotating function.

[0024] The lifting sleeve 5 is made of iron metal material, and one end of the lifting sleeve 5 is fixedly connected to a limit block 54. The outer diameter of the limit block 54 is larger than the inner diameter of the first mounting hole 31. The limit block 54 can limit the lifting position of the lifting sleeve 5 and also has a counterweight function to facilitate the falling back of the lifting sleeve 5. The connecting block 55 is cylindrical in shape, and the surface of the connecting block 55 is fixedly connected to one end of the locking hook 52.

[0025] An operating method of an electric locking device of the present invention is characterized by comprising the following steps: P1. First, fasten the electric suction lock buckle mounting base 2 to the surface of the electric suction lock buckle device body 1 by screws; P2. Then fix the electric lock device body 1 with the electric lock mounting base 2 on the tailgate by screws, and fix the locking column connected with the lock hook 52 on the vehicle body. The locking column is U-shaped and has a central hanging hole in the middle to facilitate the locking column and the lock hook 52 to be connected, thereby fixing the closed position of the tailgate; P3. Then close the tailgate so that the center hanging hole of the locking column is at the bent hook at one end of the locking hook 52; P4, then the automobile door lock control system controls the electromagnetic adsorption block 4 to be energized, so that the electromagnetic adsorption block 4 generates an electromagnetic adsorption force; P5, the electromagnetic adsorption block 4 generates electromagnetic adsorption force to adsorb the lifting sleeve 5 to move, thereby driving the locking hook 52 to move upward; P6, the lock hook 52 then moves upward to pull the reset spring 6, so that the reset spring 6 generates a tensile elastic force, and at the same time the lock hook 52 moves upward so that the surface of the lock hook 52 contacts the surface of the locking column; P7, the locking column then squeezes the locking hook 52 to rotate one end thereof, thereby causing the locking column to slide into the curved hook of the locking hook 52 and engage therewith, thereby completing the locking of the tailgate; P8. When the tailgate needs to be opened, the electromagnetic adsorption block 4 can be powered off through the vehicle door lock control system, thereby causing the electromagnetic adsorption block 4 to lose its electromagnetic adsorption force; P9. The electromagnetic adsorption block 4 loses its electromagnetic adsorption force, causing the lifting sleeve 5 to move downward under the action of the counterweight limit block 54. At the same time, the tensile force of the reset spring 6 causes the lock hook 52 to move downward and reset, thereby causing the lock hook 52 to disengage from the locking column, so that the tailgate can be opened. The electric suction lock device and its operating method, through the electromagnetic adsorption block 4 and the lifting sleeve 5, can lift the position of the lock hook 52 through the electromagnetic adsorption function, thereby allowing the lock hook 52 to have an automatic locking function, greatly reducing the size of the lock assembly and increasing the scope of application. In addition, through the positioning seat 3, the lifting sleeve 5 and the lock hook 52 can be modularly assembled, which not only increases the assembly efficiency, but also brings great convenience to the subsequent maintenance.

[0026] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric lock device, comprising an electric lock device body (1) and an electric lock device mounting seat (2), wherein the electric lock device mounting seat (2) is fixedly mounted on the surface of the electric lock device body (1), characterized in that: The surface of the electric lock buckle mounting seat (2) is provided with a mounting groove (23), the inner wall of the mounting groove (23) is detachably connected with a positioning seat (3) and an electromagnetic adsorption block (4), the surface of the positioning seat (3) is provided with a first mounting hole (31) and a second mounting hole (32), the inner wall of the first mounting hole (31) is slidably sleeved with a lifting sleeve (5), one end of the lifting sleeve (5) is rotatably connected with a lock hook (52), a return spring (6) is provided at the center position of the second mounting hole (32), and one end of the return spring (6) is detachably connected to the bottom of the lock hook (52).

2. An electric lock device according to claim 1, characterized in that: A connecting ring (53) is fixedly connected to the surface of the locking hook (52); the connecting ring (53) is in the shape of a semicircular ring and surrounds a hanging hole; one end of the reset spring (6) is provided with a hook, and the hook is buckled with the hanging hole.

3. An electric lock device according to claim 1, characterized in that: One end of the lifting sleeve is provided with a clearance groove, the inner wall of the clearance groove is rotatably connected to a shaft rod (51), and the surface of the shaft rod (51) is fixedly sleeved with a connection block (55).

4. An electric lock device according to claim 1, characterized in that: The lifting sleeve (5) is made of an iron metal material, one end of the lifting sleeve (5) is fixedly connected to a limiting block (54), and the outer diameter of the limiting block (54) is greater than the inner diameter of the first mounting hole (31).

5. An electric lock device according to claim 1, characterized in that: A groove (33) is provided at one end of the positioning seat (3); the cross-sectional shape of the groove (33) is arc-shaped; the inner wall of the groove (33) is in contact with and connected to the surface of the locking hook (52).

6. An electric lock device according to claim 3, characterized in that: The connection block (55) is cylindrical in shape, and a surface of the connection block (55) is fixedly connected to one end of the locking hook (52).

7. An electric lock device according to claim 1, characterized in that: A first adjustment screw (21) and a second adjustment screw (22) are connected to the surface of the electric locking device body (1) via threads.

8. An electric lock device according to claim 1, characterized in that: An electromagnetic coil is arranged inside the electromagnetic adsorption block (4).

9. The method for operating an electric locking device according to claims 1 to 8, characterized in that: The following steps are involved: P1. First, fasten the electric lock buckle mounting base (2) to the surface of the electric lock buckle device body (1) by screws; P2. Then, the electric lock device body (1) equipped with the electric lock mounting base (2) is fixed to the tailgate by screws, and the locking column connected to the lock hook (52) is fixed to the vehicle body; P3. Then close the tailgate so that the center hanging hole of the locking column is at the bent hook at one end of the locking hook (52); P4, the automobile door lock control system then controls the electromagnetic adsorption block (4) to be energized, so that the electromagnetic adsorption block (4) generates an electromagnetic adsorption force; P5, the electromagnetic adsorption block (4) generates electromagnetic adsorption force to adsorb the lifting sleeve (5) to move, thereby driving the locking hook (52) to move upward; P6. Then the lock hook (52) moves upward to pull the return spring (6), so that the return spring (6) generates a tensile elastic force, and at the same time the lock hook (52) moves upward so that the surface of the lock hook (52) contacts the surface of the locking column; P7, the locking column then squeezes the locking hook (52) to rotate one end of the locking column, thereby causing the locking column to slide into the curved hook of the locking hook (52) and engage therewith, thereby completing the locking of the tailgate; P8. When the tailgate needs to be opened, the electromagnetic adsorption block (4) can be powered off by the vehicle door lock control system, thereby causing the electromagnetic adsorption block (4) to lose its electromagnetic adsorption force; P9, the electromagnetic adsorption block (4) loses its electromagnetic adsorption force, causing the lifting sleeve (5) to move downward under the action of the counterweight limit block (54), and at the same time, the tensile elastic force of the reset spring (6) causes the lock hook (52) to move downward and reset, thereby causing the lock hook (52) to be disengaged from the locking column, so that the tailgate can be opened.

10. The method for operating the electric locking device according to claim 9, characterized in that: The locking column in step P2 is in a U-shape, and a central hanging hole is provided in the middle.

Citation Information

Patent Citations

  • Automobile tail door electric suction lock

    CN221546681U