European standard electronic lock for new energy automobile charging seat

Abstract

The utility model discloses a European standard electronic lock for a new energy automobile charging seat. The European standard electronic lock is smaller in size, and parts are not prone to displacement. 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 lock rod is vertically arranged at the front end of the shell, the rear end of the lock rod is connected with a vertically-arranged rack, and the emergency unlocking mechanism is arranged at the rear end of the shell. The transmission shaft tooth is meshed with the rack through a sector tooth in the middle, a microswitch is arranged on one side of the front end of the shell, and a cam used for triggering the microswitch is arranged at the end of the transmission shaft tooth in a sleeved mode.

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] With the rapid development of the new energy vehicle industry, the safety and convenience of charging facilities have been increasingly emphasized. As a key safety component, the European standard electronic lock plays an indispensable role in the charging seat of new energy vehicles. The traditional electronic lock structure includes: a housing, a motor provided in the housing, a retractable lock rod provided at the front end of the housing, and an emergency unlocking mechanism provided at the rear end of the housing. The output shaft of the motor engages with the transmission shaft gear through bevel gears. The disadvantages of the traditional European standard electronic lock are: 1. The overall volume is large and it is not suitable for installation in narrow spaces; 2. The parts are displaced due to shaking, resulting in product failures and reducing the service life of the product. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a European standard electronic lock for a charging seat of a new energy vehicle with a smaller volume and less likely to displace parts.

[0004] To solve the above problems, the technical solutions adopted by the utility model include: a housing, a motor provided in the housing, a retractable lock rod provided at the front end of the housing, and an emergency unlocking mechanism provided at the rear end of the housing. The output shaft of the motor engages with the transmission shaft gear through bevel gears. The characteristics are: the lock rod is vertically arranged at the front end of the housing, and a vertically arranged rack is connected to the rear end. The transmission shaft gear engages with the rack through a sector gear in the middle. A micro switch is provided on one side of the front end of the housing, and a cam for triggering the micro switch is sleeved on the end of the transmission shaft gear.

[0005] The European standard electronic lock for a charging seat of a new energy vehicle is characterized in that: the emergency unlocking mechanism includes an unlocking pull rod and a return spring. A pull groove is provided at the front end of the unlocking pull rod, and a pull button extending into the pull groove is provided on the transmission shaft gear. The return spring is sleeved on the unlocking pull rod.

[0006] The European standard electronic lock for a charging seat of a new energy vehicle is characterized in that: a fixing frame is provided on one side of the housing corresponding to the lock rod, a guiding groove is provided on the fixing frame, and a guiding rod cooperating with the guiding groove is provided at the front end of the pull groove.

[0007] The European standard electronic lock for a charging seat of a new energy vehicle is characterized in that: positioning feet are provided on the lock rod.

[0008] The European standard electronic lock for a charging seat of a new energy vehicle is characterized in that: a motor upper cover covering the motor is provided in the housing.

[0009] The European standard electronic lock for a new energy vehicle charging dock is characterized in that: a waterproof plug and a side plate are provided at the end of the housing, and a wire passes through the side plate and the waterproof plug and is connected to the PCB board at the rear end of the motor.

[0010] The European standard electronic lock for a new energy vehicle charging dock is characterized in that: a pipe protection fixing plate is provided at the end of the housing.

[0011] The European standard electronic lock for a new energy vehicle charging dock is characterized in that: the motor is connected to the bevel gear through a speed change gear assembly.

[0012] The European standard electronic lock for a new energy vehicle charging dock is characterized in that: a clamping rail is provided at the bottom of the housing, and a buckle is provided at the top. An installation hole is provided in the middle of the clamping rail.

[0013] The advantages of the European standard electronic lock for a new energy vehicle charging dock of the present utility model are as follows: 1. By vertically arranging the lock rod at the front end of the housing, and arranging a vertically arranged rack at the rear end, then engaging the sector gear in the middle of the transmission shaft gear with the rack, and finally triggering the micro switch on one side of the front end of the housing through the cam at the end of the transmission shaft gear, the overall layout of the electronic lock is more compact and reasonable, thereby reducing the product volume; 2. Since the layout of the parts is more compact and reasonable, and positioning structures such as a fixing frame are provided, the parts are not easily displaced.

[0014] The following further describes the present utility model with reference to the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a cross-sectional view of the electronic lock of the present utility model;

[0016] Figure 2 is a schematic diagram of the internal structure of the new electronic lock of the present utility model;

[0017] Figure 3 is an exploded view of the new electronic lock of the present utility model;

[0018] Figure 4 is a schematic diagram of the structure of the new transmission shaft gear of the present utility model;

[0019] Figure 5 is a schematic diagram of the structure of the unlocking pull rod of the present utility model;

[0020] Figure 6 is a schematic diagram of the structure of the fixing frame of the present utility model;

[0021] Figure 7 is a schematic diagram of the structure of the housing of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Refer to Figure 1-7As shown in the figure, the European standard 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 provided at the rear end of the housing 1. The output shaft of the motor 2 engages with a transmission shaft gear 5 through a bevel gear 4. The lock rod 3 is vertically provided at the front end of the housing 1, and a vertically provided rack 6 is connected to the rear end of the lock rod 3. The transmission shaft gear 5 engages with the rack 6 through a sector gear 7 integrally formed in the middle. A microswitch 8 is provided on one side of the front end of the housing 1. A cam 9 for triggering the microswitch 8 is sleeved on the end of the transmission shaft gear 5 and fixed by a rib.

[0023] Preferably, the emergency unlocking mechanism includes an unlocking pull rod 10 and a return spring 11. A pull groove 12 is provided at the front end of the unlocking pull rod 10. A pull button 13 extending into the pull groove 12 is provided on the transmission shaft gear 5. The return spring 11 is sleeved on the unlocking pull rod 10. When the unlocking pull rod 10 is pulled backward, the pull groove 12 drives the pull button 13 to drive the rotation of the transmission shaft gear 5, thereby realizing emergency unlocking. The rear end of the unlocking pull rod 10 is usually connected to a pull rope, and a protective tube is provided outside the pull rope. The above-mentioned emergency unlocking mechanism has the advantages of simple structure, convenient installation, good stability and not being easily jammed.

[0024] Preferably, a fixing frame 14 is provided on one side of the housing 1 corresponding to the lock rod 3. A guiding groove 15 is provided on the fixing frame 14. A guiding rod 16 cooperating with the guiding groove 15 is provided at the front end of the pull groove 12. Through the guiding cooperation of the guiding rod 16 and the guiding groove 15, the installation and sliding stability of the lock rod 3 are improved.

[0025] Preferably, positioning feet 17 are provided on the lock rod 3 for positioning the lock rod 3 after it rotates in place.

[0026] Preferably, a motor upper cover 18 covering the motor 2 is provided inside the housing 1. The motor upper cover 18 is fixed to the housing 1 by screws. The motor upper cover 18 plays a role in fixing the motor 2 to prevent its displacement.

[0027] Preferably, a waterproof plug 19 and a side plate 20 are provided at the end of the housing 1. A wire 21 passes through the side plate 20 and the waterproof plug 19 and is connected to a PCB board 22 at the rear end of the motor 2. To play a role in preventing the wire 21.

[0028] Preferably, a protective tube fixing plate 23 is provided at the end of the housing 1 for fixing the protective tube.

[0029] Preferably, the motor 2 is connected to the bevel gear 4 through a speed change gear assembly 24 to increase the torque of the motor.

[0030] Preferably, a card rail 25 is provided at the bottom of the housing 1, and a buckle 26 is provided at the top. An installation hole 27 is provided in the middle of the card rail 25. Through the cooperation of the card rail 25, the buckle 26 and the installation hole 27, the stable installation of the electronic lock is realized.

[0031] As described above, it is not to make any formal restrictions on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can, within the scope of the technical solution of the present invention, make some changes or modifications to the above-disclosed structure and technical content to obtain equivalent embodiments with equivalent changes. However, as long as the content does not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An European standard electronic lock for a charging stand of a new energy vehicle, comprising a housing (1), a motor (2) arranged in the housing (1), a lock rod (3) telescopically arranged at the front end of the housing (1), and an emergency unlocking mechanism arranged at the rear end of the housing (1). The output shaft of the motor (2) is engaged with a transmission shaft gear (5) through a bevel gear (4), and is characterized in that: The lock rod (3) is vertically arranged at the front end of the housing (1), and a vertically arranged rack (6) is connected to the rear end thereof. The transmission shaft gear (5) is engaged with the rack (6) through a sector gear (7) in the middle. A microswitch (8) is arranged on one side of the front end of the housing (1), and a cam (9) for triggering the microswitch (8) is sleeved on the end of the transmission shaft gear (5).

2. The European standard electronic lock for a new energy vehicle charging socket according to claim 1, characterized in that: The emergency unlocking mechanism includes an unlocking pull rod (10) and a return spring (11). A pull groove (12) is arranged at the front end of the unlocking pull rod (10). A pull button (13) extending into the pull groove (12) is arranged on the transmission shaft gear (5), and the return spring (11) is sleeved on the unlocking pull rod (10).

3. The European standard electronic lock for a new energy vehicle charging stand according to claim 2, wherein: A fixing frame (14) is arranged on the housing (1) corresponding to one side of the lock rod (3). A guiding groove (15) is arranged on the fixing frame (14), and a guiding rod (16) cooperating with the guiding groove (15) is arranged at the front end of the pull groove (12).

4. The European standard electronic lock for a new energy vehicle charging seat according to claim 2, wherein: A positioning foot (17) is arranged on the lock rod (3).

5. The European standard electronic lock for a new energy vehicle charging seat according to claim 1, characterized in that: A motor upper cover (18) covering the motor (2) is arranged in the housing (1).

6. The European standard electronic lock for a new energy vehicle charging socket according to claim 1, characterized in that: A waterproof plug (19) and a side plate (20) are arranged at the end of the housing (1). A wire (21) passes through the side plate (20) and the waterproof plug (19) and is connected to a PCB board (22) at the rear end of the motor (2).

7. The European standard electronic lock for a new energy vehicle charging seat according to claim 1, characterized in that: A pipe protection fixing plate (23) is arranged at the end of the housing (1).

8. The European standard electronic lock for a new energy vehicle charging stand according to claim 1, characterized in that: The motor (2) is connected to the bevel gear (4) through a speed change gear assembly (24).

9. The European standard electronic lock for a new energy vehicle charging stand according to claim 1, characterized in that: A card rail (25) is arranged at the bottom of the housing (1), and a buckle (26) is arranged at the top. An installation hole (27) is arranged in the middle of the card rail (25).

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