CN219458192U

CN219458192U - European standard electronic lock for new energy automobile charging seat

Info

Publication number: CN219458192U
Application number: CN202320556254.6U
Authority: CN
Inventors: 黎欢乐; 程襄东; 谭方争
Original assignee: Shenzhen Yiwa Technology Co ltd
Current assignee: Shenzhen Yiwa Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses an European standard electronic lock for a new energy automobile charging seat, which is small in size, large in thrust and not easy to clamp a pull rope. The technical scheme adopted comprises the following steps: the locking device comprises a shell, a motor arranged in the shell, a transmission shaft rotatably arranged in the shell, a locking rack assembly meshed with the transmission shaft and an unlocking pull block driving the transmission shaft to rotate, wherein an output shaft of the motor is meshed with the transmission shaft through primary teeth, secondary duplex teeth and tertiary duplex teeth which are meshed in sequence, and a microswitch blocking head used for triggering a locking microswitch is sleeved at one end of the transmission shaft.

Description

European standard electronic lock for new energy automobile charging seat

Technical Field

The utility model belongs to the field of new energy electric automobiles, and particularly relates to an European standard electronic lock for an electric seat.

Background

Along with development prospect and market sales analysis of new energy electric vehicles in some countries in Europe, the subsequent demand for European standard charging sockets is large and the performance requirement is higher. After analyzing European standard charging sockets at home and abroad before development, the European standard electronic lock in early-stage developers is found to have small thrust and large volume of the electronic lock, and the electronic lock is unlocked excessively in the emergency unlocking process of the electronic lock, so that the emergency unlocking is invalid; the electronic lock transmission structure operates to drive the unlocking pull rope to move, and the pull rope is blocked by the machine body to cause normal locking and unlocking failure.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the European standard electronic lock for the charging seat of the new energy automobile, which has small volume, large thrust and difficult clamping of a pull rope.

In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the locking device comprises a shell, a motor arranged in the shell, a transmission shaft rotatably arranged in the shell, a locking rack assembly meshed with the transmission shaft and an unlocking pull block driving the transmission shaft to rotate, wherein an output shaft of the motor is meshed with the transmission shaft through primary teeth, secondary duplex teeth and tertiary duplex teeth which are meshed in sequence, and a microswitch blocking head used for triggering a locking microswitch is sleeved at one end of the transmission shaft.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the transmission shaft is connected with a pull rod unlocking opening at the upper end of the unlocking pull block through an emergency unlocking rib at the other end, and the lower end of the unlocking pull block is connected with a steel wire rope and sleeved with a spring.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the transmission shaft is provided with an unlocking limiting convex point, and an unlocking limiting convex point matched with the unlocking limiting convex point is arranged in the shell.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the socket is characterized in that a socket body is arranged at one end of the shell, a group of contact pins are arranged in the socket body, and the upper ends of the contact pins are respectively connected with the motor and the lock micro switch.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the shell is internally provided with a wiring groove for fixing the upper end of the contact pin.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the motor is fixed through the motor support, and the two-stage duplex teeth and the three-stage duplex teeth are rotatably arranged on the gear guard plate.

The new energy automobile charging seat is with European standard electronic lock, its characterized in that: the front end of the steel wire rope is in pressure connection with a pressure pipe, the pressure pipe is arranged in a pressure pipe installation groove of the unlocking pull block, and sealing glue is injected into the pressure pipe installation groove.

The European standard electronic lock for the new energy automobile charging seat has the following advantages:

1. the three-stage gear is adopted to drive the transmission shaft to act, so that the thrust is high, meanwhile, the structure is optimized, and the contact pin embedded on the shell is connected with the motor and the lock micro switch, so that the size is small;

2. the transmission shaft is added with an unlocking limit rib to prevent the phenomenon of over-unlocking and cause emergency unlocking failure:

3. the electronic lock transmission structure does not drive the unlocking pull rope to move when in operation, and no acting force is applied to the unlocking structure, so that normal locking and unlocking failure caused by the fact that the pull rope is clamped by the machine body is effectively avoided.

The utility model is further described below with reference to the drawings.

Drawings

FIG. 1 is an exploded view of an European standard electronic lock for a new energy automobile charging stand;

FIG. 2 is a cross-sectional view of the European standard electronic lock for the new energy automobile charging stand of the utility model;

FIG. 3 is a schematic diagram showing the installation between the internal structure of the European standard electronic lock for the charging stand of the new energy automobile and the shell;

fig. 4 is a schematic diagram showing the connection of the internal structure of the euro standard electronic lock for the charging stand of the new energy automobile;

FIG. 5 is a schematic view of the structure of the drive shaft of the present utility model;

FIG. 6 is a schematic illustration of the connection between the unlocking pull block and the wire rope of the present utility model;

fig. 7 is a schematic view of the structure of the housing of the present utility model.

Detailed Description

Referring to fig. 1-7, the European standard electronic lock for the new energy automobile charging seat comprises a shell 1, a motor 5 arranged in the shell 1, a transmission shaft 14 rotatably arranged in the shell 1, a locking rack assembly 3 meshed with the transmission shaft 14 and an unlocking pull block 17 driving the transmission shaft 14 to rotate, wherein an output shaft of the motor 5 is meshed with the transmission shaft 14 through a primary tooth 11, a secondary duplex tooth 12 and a tertiary duplex tooth 13 which are sequentially meshed, and a micro switch blocking head 2 for triggering a locking micro switch 4 is sleeved at one end of the transmission shaft 14. The transmission shaft 14 is connected with a pull rod unlocking port 24 at the upper end of the unlocking pull block 17 through an emergency unlocking rib 23 at the other end, the lower end of the unlocking pull block 17 is connected with a steel wire rope 19, the lower end of the unlocking pull block 17 is sleeved with a spring 18, and the unlocking pull block 17 and the steel wire rope 19 are restored to the position before pulling through the compression elasticity of the spring 18 and do not drive the transmission shaft 14 to rotate.

Preferably, the transmission shaft 14 is provided with an unlocking limiting bump 22, and an unlocking limiting boss 25 matched with the unlocking limiting bump 22 is arranged in the shell 1. Through the spacing cooperation of the spacing bump 22 of unblock and the spacing boss 25 of unblock to prevent to appear crossing the unblock phenomenon, cause emergent unblock inefficacy.

Preferably, a socket body 26 is disposed at one end of the housing 1, a set of pins 27 is disposed in the socket body 26, and the upper ends of the pins 27 are respectively connected with the motor 5 and the lock micro switch 4. A wiring groove 28 for fixing the upper end of the pin 27 is arranged in the shell 1. The upper ends of the pins 27 are embedded in the wiring grooves 28 for fixing. By adopting the structure, the wiring of the motor 5 and the lock micro switch 4 is convenient, and meanwhile, the volume of the electronic lock is smaller.

Preferably, a motor bracket 7 and a gear guard plate 8 are arranged in the shell 1, the transmission shaft 14 is rotatably connected between the motor bracket 7 and the gear guard plate 8, the motor 5 is fixed through the motor bracket 7, and the secondary duplex teeth 12 and the tertiary duplex teeth 13 are rotatably arranged on the gear guard plate 8. The motor bracket 7 and the gear guard plate 8 are arranged to serve the purposes of mounting and fixing the two-stage duplex gear 12, the three-stage duplex gear 13 and the motor 5.

Preferably, the front end of the steel wire rope 19 is in pressure connection with a pressure pipe 16, the pressure pipe 16 is arranged in a pressure pipe installation groove 29 of the unlocking pull block 17, sealing glue is injected into the pressure pipe installation groove 29, and finally an emergency unlocking component is formed, so that the emergency unlocking component is convenient to install, and meanwhile has a prevention function.

Working principle: in the locking process, the motor 5 rotates forward through the led-out motor anode and cathode, the power supply provides forward current to enable the motor 5 to rotate forward, the primary gear 11 is driven to rotate, the primary gear 11 drives the secondary double gear 12 to rotate, the secondary double gear 12 rotates to drive the tertiary double gear 13, the tertiary double gear 13 rotates to drive the transmission shaft 14 to rotate, the transmission shaft 14 rotates to enable the locking rack assembly 3 to move downwards, the unlocking limit protruding point 22 of the transmission shaft 14 reaches the locking position, the micro switch blocking head 2 on the transmission shaft 14 triggers the micro switch 4 to be closed from being opened, and a position signal is transmitted through the PCB terminal of the micro switch 4.

The unlocking process is that the motor 5 reverses the motor 5 by the led-out motor positive electrode and negative electrode, the power supply provides reverse current to drive the primary gear 11 to rotate, the primary gear 11 drives the secondary double gear 12 to rotate, the secondary double gear 12 rotates to drive the tertiary double gear 13, the tertiary double gear 13 rotates to drive the transmission shaft 14 to rotate, the transmission shaft 14 rotates to enable the locking rack assembly 3 to move upwards, the unlocking limit protruding point 22 of the transmission shaft 14 reaches the unlocking position, the transmission shaft 14 moves to enable the micro switch blocking head 2 not to trigger the micro switch 4, the micro switch is turned on to off, and a position signal is transmitted through a PCB terminal of the micro switch 4.

When abnormal occurs during unlocking and normal unlocking cannot be performed, the steel wire rope 19 is pulled to drive the unlocking pull block 1) to move backwards, the unlocking pull block 17 drives the emergency unlocking rib 23 on the transmission shaft 14 to rotate backwards through the pull rod unlocking opening 24, namely, the transmission shaft 14 is driven to rotate towards the unlocking direction, the gear on the transmission shaft 14 drives the locking rack assembly 3 to move upwards to the unlocking position, the steel wire rope 19 is released after unlocking is completed, and the transmission shaft is not driven to rotate by the position before the unlocking pull block 17 and the steel wire rope 19 are restored to the pulling state through the compression elasticity of the spring 18.

As described above, the present utility model is not limited to any form, but is not limited to the above-described preferred embodiments, and any person skilled in the art can make a few changes or modifications to the equivalent embodiments without departing from the scope of the present utility model, but any simple modification, equivalent changes and modifications to the above-described embodiments according to the technical matter of the present utility model are still within the scope of the present utility model.

Claims

1. The utility model provides a new energy automobile charging seat is with European standard electronic lock which characterized in that: including casing (1), establish motor (5), rotatable establishing in casing (1) transmission shaft (14), with transmission shaft (14) meshing driven locking rack subassembly (3) and drive transmission shaft (14) pivoted unblock draws piece (17), the output shaft of motor (5) through one-level tooth (11), second grade duplex tooth (12), tertiary duplex tooth (13) of meshing in proper order with transmission shaft (14) meshing, transmission shaft (14) one end cover is equipped with micro-gap switch block (2) that are used for triggering locking micro-gap switch (4).

2. The new energy automobile is Europe standard electronic lock for charging stand according to claim 1, characterized in that: the transmission shaft (14) is connected with a pull rod unlocking opening (24) at the upper end of the unlocking pull block (17) through an emergency unlocking rib (23) at the other end, and the lower end of the unlocking pull block (17) is connected with a steel wire rope (19) and sleeved with a spring (18).

3. The new energy automobile is Europe standard electronic lock for charging stand according to claim 1, characterized in that: the transmission shaft (14) is provided with an unlocking limiting convex point (22), and an unlocking limiting convex plate (25) matched with the unlocking limiting convex point (22) is arranged in the shell (1).

4. The new energy automobile is Europe standard electronic lock for charging stand according to claim 1, characterized in that: one end of the shell (1) is provided with a socket body (26), a group of contact pins (27) are arranged in the socket body (26), and the upper ends of the contact pins (27) are respectively connected with the motor (5) and the lock micro switch (4).

5. The new energy automobile is Europe standard electronic lock for charging stand according to claim 4, wherein: a wiring groove (28) for fixing the upper end of the contact pin (27) is arranged in the shell (1).

6. The new energy automobile is Europe standard electronic lock for charging stand according to claim 1, characterized in that: be equipped with motor support (7) and gear backplate (8) in casing (1), transmission shaft (14) rotatable connect between motor support (7) and gear backplate (8), motor (5) are passed through motor support (7) are fixed, second grade duplex tooth (12), tertiary duplex tooth (13) rotatable setting are in on gear backplate (8).

7. The new energy automobile is Europe standard electronic lock for charging stand according to claim 2, characterized in that: the front end of the steel wire rope (19) is in pressure connection with a pressure pipe (16), the pressure pipe (16) is arranged in a pressure pipe mounting groove (29) of the unlocking pull block (17), and sealing glue is injected into the pressure pipe mounting groove (29).