Electronic lock for new energy automobile charging seat

Abstract

The utility model discloses an electronic lock for a charging seat of a new energy automobile, which is not easy to block and convenient to install. According to the technical scheme, the emergency unlocking device comprises a shell, a motor arranged in the shell, a lock rod arranged at the front end of the shell in a telescopic mode and an emergency unlocking mechanism arranged at the rear end of the shell, an output shaft of the motor is meshed with a transmission shaft tooth through a bevel gear, the end of the transmission shaft tooth is meshed with a rack through a sector gear, and the sector gear is meshed with the rack. The front end of the rack is connected with the lock rod, the emergency unlocking mechanism comprises an emergency unlocking pull rod, a pull plate and a reset spring, the pull plate is connected with a protruding block at the rear end of the rack in a hanging mode through an L-shaped groove with the open bottom, and the rear end of the pull plate is connected with the emergency unlocking pull rod. The emergency unlocking pull rod is sleeved with the reset spring, and the two ends of the reset spring abut against the pull plate and the shell correspondingly.

Description

Technical Field

[0001] The utility model belongs to the field of new energy electric vehicles, and particularly relates to an electronic lock for a charging seat of a new energy vehicle. Background Art

[0002] The electronic lock for a charging seat of a new energy vehicle is used for locking after the charging gun of a new energy vehicle is docked with the charging seat to ensure the safety of the charging process. The structure of the traditional electronic lock for a charging seat of a new energy vehicle includes: a housing, a motor arranged in the housing, a retractable lock rod arranged at the front end of the housing, and an emergency unlocking mechanism arranged at the rear end of the housing. Among them, the emergency unlocking mechanism is mainly composed of a pull rope (steel wire rope) assembly, a return spring, etc. The existing disadvantages are: 1. Since the pull rope is relatively thin and soft, it is easy to be stuck by the body, resulting in the failure of normal locking and unlocking, and it can only be repaired by disassembling the housing; 2. The overall assembly is not convenient. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an electronic lock for a charging seat of a new energy vehicle that is not easy to jam and is convenient to install.

[0004] To solve the above problems, the technical solution adopted by the utility model includes: a housing, a motor arranged in the housing, a retractable lock rod arranged at the front end of the housing, and an emergency unlocking mechanism arranged at the rear end of the housing. The output shaft of the motor is engaged with a transmission shaft gear through a bevel gear, the end of the transmission shaft gear is engaged with a rack through a sector gear, and the front end of the rack is connected to the lock rod. The characteristics are: the emergency unlocking mechanism includes an emergency unlocking pull rod, a pull plate and a return spring. The pull plate is hooked to a convex block at the rear end of the rack through an L-shaped groove with an open bottom. The rear end of the pull plate is connected to the emergency unlocking pull rod. The return spring is sleeved on the emergency unlocking pull rod and its two ends respectively abut against the pull plate and the housing.

[0005] The electronic lock for a charging seat of a new energy vehicle is characterized in that: an upper sliding block is arranged at the front end of the pull plate, and a lower sliding block is arranged at the rear end of the pull plate. A guard plate is arranged in the housing, an upper sliding groove that is slidably matched with the upper sliding block is arranged on the guard plate, and a lower sliding groove that is slidably matched with the upper sliding block is arranged at the bottom of the housing.

[0006] The electronic lock for a charging seat of a new energy vehicle is characterized in that: upper positioning steps are arranged on both sides of the pull plate, and lower positioning steps that are positioned and matched with the upper positioning steps are arranged on the rack and the housing.

[0007] The electronic lock for a charging seat of a new energy vehicle is characterized in that: an arc portion is arranged at the rear end of the pull plate, the lower sliding block is arranged at the bottom of the arc portion, an arc groove that is adapted to the arc portion is arranged at the bottom of the housing, and the lower sliding groove is arranged at the bottom of the arc groove.

[0008] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: two parallel slide rails are provided at the bottom of the rack, and a front sliding groove adapted to the slide rails is provided at the bottom of the housing.

[0009] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: a pull rod sealing ring and a sealing ring fixing cover are provided at the connection of the emergency unlocking pull rod and the housing.

[0010] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: a conical portion extending out of the housing is provided at the rear end of the emergency unlocking pull rod, and a plastic pull rope is injection-molded on the conical portion.

[0011] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: a cylindrical portion is provided at the connection of the plastic pull rope and the emergency unlocking pull rod.

[0012] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: the emergency unlocking pull rod is connected to the pull plate through a pin.

[0013] For the electronic lock for a new energy vehicle charging stand, it is characterized in that: a positioning convex portion is provided at the end of the sector gear.

[0014] The advantages of the electronic lock for a new energy vehicle charging stand of the present utility model are as follows: 1. Since the emergency unlocking pull rod of the emergency unlocking mechanism is of a hard structure, and the pull plate at the front end is hooked to the convex block at the rear end of the rack through an open L-shaped groove and reset by a return spring, the installation of the electronic lock is more convenient and it is not easy to get stuck; 2. When the stuck phenomenon occurs, it can be solved by pushing the emergency unlocking pull rod forward, and the maintenance is more convenient.

[0015] The present utility model will be further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a cross-sectional view of the electronic lock of the present utility model;

[0017] Figure 2 is an exploded view of the new electronic lock of the present utility model;

[0018] Figure 3 is a schematic structural view of the new pull plate of the present utility model;

[0019] Figure 4 is a schematic structural view of the new rack of the present utility model;

[0020] Figure 5 is a schematic structural view of the housing of the present utility model. DETAILED DESCRIPTION OF THE INVENTION

[0021] Refer to Figures 1-5As shown in the figure, the electronic lock for a new energy vehicle charging seat of the present utility model includes a housing 1, a motor 2 provided inside the housing 1, a lock rod 3 telescopically provided at the front end of the housing 1, and an emergency unlocking mechanism 4 provided at the rear end of the housing 1. The output shaft of the motor 2 is engaged with a transmission shaft gear 7 through a bevel gear 6, and the end of the transmission shaft gear 7 is engaged with a rack 9 through a sector gear 8. The front end of the rack 9 is connected to the lock rod 3 through a pin. The emergency unlocking mechanism 4 includes an emergency unlocking pull rod 10, a pull plate 11, and a return spring 12. The pull plate 11 is hooked to a bump 14 at the rear end of the rack 9 through an L-shaped groove 13 with an open bottom. The rear end of the pull plate 11 is connected to the emergency unlocking pull rod 10. Preferably, the emergency unlocking pull rod 10 is connected to the pull plate 11 through a pin 5. The return spring 12 is sleeved on the emergency unlocking pull rod 10, and both ends of the return spring 12 respectively abut against the pull plate 11 and the housing 1.

[0022] Preferably, an upper sliding block 15 is provided at the front end of the pull plate 11, a lower sliding block 16 is provided at the rear end of the pull plate 11, a guard plate 17 is provided inside the housing 1, an upper sliding groove 18 slidably matched with the upper sliding block 15 is provided on the guard plate 17, and a lower sliding groove 19 slidably matched with the upper sliding block 15 is provided at the bottom of the housing 1. The guard plate 17 is fixed inside the housing 1 by screws. Through the above structure, the sliding of the pull plate 11 is made more stable and smooth to further prevent jamming.

[0023] Preferably, upper positioning steps 20 are provided on both sides of the pull plate 11, and lower positioning steps 21 for positioning and matching with the upper positioning steps 20 are provided on the rack 9 and the housing 1. Through the above structure, the sliding of the pull plate 11 is made more stable and smooth to further prevent jamming.

[0024] Preferably, an arc portion 22 is provided at the rear end of the pull plate 11, the lower sliding block 16 is provided at the bottom of the arc portion 22, an arc groove 23 adapted to the arc portion 22 is provided at the bottom of the housing 1, and the lower sliding groove 19 is provided at the bottom of the arc groove 23. Through the above structure, the sliding of the pull plate 11 is made more stable and smooth to further prevent jamming.

[0025] Preferably, two parallel slide rails 24 are provided at the bottom of the rack 9, and a front sliding groove 25 adapted to the slide rails 24 is provided at the bottom of the housing 1. Through the above structure, the sliding of the rack 9 is made more stable and smooth to further prevent jamming.

[0026] Preferably, a pull rod sealing ring 26 and a sealing ring fixing cover 27 are provided at the connection between the emergency unlocking pull rod 10 and the housing 1 to play a role in waterproofing.

[0027] Preferably, a tapered portion 28 extending out of the housing 1 is provided at the rear end of the emergency unlocking lever 10, and a plastic pull rope 29 is injection-molded on the tapered portion 28. The user can drive the movement of the lever 11 by pulling the plastic pull rope 29.

[0028] Preferably, a cylindrical portion 30 is provided at the connection between the plastic pull rope 29 and the emergency unlocking lever 10 to improve the strength of the connection.

[0029] Preferably, a positioning protrusion 31 is provided at the end of the sector gear 8 for positioning after locking in place to prevent over-locking and causing jamming.

[0030] As described above, there is no restriction in any form on the present utility model. Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the equivalent embodiments with equivalent changes within the scope of the technical solution of the present utility model by using the disclosed structure and technical content. However, as long as the content does not depart from the technical solution of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An electronic lock for a new energy vehicle charging station, comprising a housing (1), a motor (2) arranged in the housing (1), a retractable lock rod (3) arranged at the front end of the housing (1), and an emergency unlocking mechanism (4) arranged at the rear end of the housing (1), wherein the output shaft of the motor (2) engages with the transmission shaft teeth (7) through bevel teeth (6), the end of the transmission shaft teeth (7) engages with the rack (9) through fan-shaped teeth (8), and the front end of the rack (9) is connected to the lock rod (3), characterized in that: The emergency unlocking mechanism (4) comprises an emergency unlocking pull rod (10), a pull plate (11) and a return spring (12); the pull plate (11) is connected to a protrusion (14) at the rear end of the rack (9) via an L-shaped groove (13) with an open bottom; the rear end of the pull plate (11) is connected to the emergency unlocking pull rod (10); the return spring (12) is sleeved on the emergency unlocking pull rod (10), and its two ends respectively abut against the pull plate (11) and the housing (1).

2. The electronic lock for the new energy vehicle charging station according to claim 1 is characterized in that: The pull plate (11) is provided with an upper slider (15) at the front end and a lower slider (16) at the rear end; a guard plate (17) is provided inside the shell (1); an upper slide groove (18) is provided on the guard plate (17) and is slidably matched with the upper slider (15); and a lower slide groove (19) is provided at the bottom of the shell (1) and is slidably matched with the upper slider (15).

3. The electronic lock for the new energy vehicle charging station according to claim 2 is characterized in that: Upper positioning steps (20) are provided on both sides of the pull plate (11), and lower positioning steps (21) that are positioned and matched with the upper positioning steps (20) are provided on the rack (9) and the housing (1).

4. The electronic lock for the new energy vehicle charging station according to claim 2 is characterized in that: The rear end of the pull plate (11) is provided with an arc-shaped portion (22), the lower sliding block (16) is arranged at the bottom of the arc-shaped portion (22), the bottom of the housing (1) is provided with an arc-shaped groove (23) adapted to the arc-shaped portion (22), and the lower sliding groove (19) is arranged at the bottom of the arc-shaped groove (23).

5. The electronic lock for the new energy vehicle charging station according to claim 1 is characterized in that: The bottom of the rack (9) is provided with two slide rails (24) arranged side by side, and the bottom of the housing (1) is provided with a front slide groove (25) adapted to the slide rails (24).

6. The electronic lock for the new energy vehicle charging station according to claim 1 is characterized in that: A rod sealing ring (26) and a sealing ring fixing cover (27) are provided at the connection between the emergency unlocking rod (10) and the housing (1).

7. The electronic lock for the new energy vehicle charging station according to claim 1 is characterized in that: The emergency unlocking pull rod (10) is provided at the rear end with a tapered portion (28) extending out of the housing (1), and a plastic pull rope (29) is injection-molded on the tapered portion (28).

8. The electronic lock for the new energy vehicle charging station according to claim 7 is characterized in that: A cylindrical portion (30) is provided at the connection between the plastic pull rope (29) and the emergency unlocking pull rod (10).

9. The electronic lock for the new energy vehicle charging station according to claim 1, characterized in that: The emergency unlocking pull rod (10) is connected to the pull plate (11) via a pin (5).

10. The electronic lock for the new energy vehicle charging station according to claim 1, characterized in that: A positioning protrusion (31) is provided at the end of the sector-shaped tooth (8).

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