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CN-224233042-U - Electronic lock and charging gun

CN224233042UCN 224233042 UCN224233042 UCN 224233042UCN-224233042-U

Abstract

The utility model discloses an electronic lock and a charging gun. The electronic lock includes a housing having first and second cavities and a partition wall separating the first and second cavities, a locking member provided in the second cavity and adapted to rotate between a locking position engaged with the charging stand and an unlocking position separated from the charging stand, a motor provided in the first cavity for driving the locking member to rotate between the locking position and the unlocking position, a connecting shaft connected between the locking member and the motor and passing through a through hole on the partition wall, and a sealing ring fitted over the connecting shaft and pressed between an inner peripheral surface of the through hole and an outer peripheral surface of the connecting shaft to seal the through hole, the first cavity being a sealed cavity isolated from an outside of the housing, the second cavity being an open cavity communicating with the outside of the housing. In the utility model, since external water vapor cannot enter the sealed first cavity, the motor can be a common motor which is not waterproof, so that the cost can be greatly reduced.

Inventors

  • WEN XIANWEN
  • WU SUPENG
  • ZHU FANGYUE

Assignees

  • 泰科电子科技（苏州工业园区）有限公司
  • 泰科电子(上海)有限公司

Dates

Publication Date
20260512
Application Date
20250408

Claims (14)

  1. 1. An electronic lock for locking a charging gun to a charging dock, the electronic lock comprising: A housing (1) having a first cavity (11) and a second cavity (12) and a partition wall (13) that separates the first cavity (11) and the second cavity (12); A locking member (4) arranged in said second cavity (12) and adapted to rotate between a locked position in engagement with the charging seat and an unlocked position separated from the charging seat; a motor (3) arranged in the first cavity (11) for driving the locking member (4) to rotate between the locking position and the unlocking position; a connecting shaft (5) connected between the locking member (4) and the motor (3) and passing through a through hole (130) in the partition wall (13), and A sealing ring (6) sleeved on the connecting shaft (5) and pressed between the inner peripheral surface of the through hole (130) and the outer peripheral surface of the connecting shaft (5) to seal the through hole (130), The first cavity (11) is a sealed cavity isolated from the outside of the housing (1), and the second cavity (12) is an open cavity communicating with the outside of the housing (1).
  2. 2. The electronic lock of claim 1, wherein: a slot (16) communicating with the second cavity (12) is formed in the housing (1), and a locking portion (41) of the locking member (4) is exposed through the slot (16) to be engaged with the charging stand.
  3. 3. The electronic lock of claim 1, wherein: A mounting hole (40) is formed on the locking member (4), the connecting shaft (5) has an engagement portion (50) engaged into the mounting hole (40), and the mounting hole (40) of the locking member (4) and the engagement portion (50) of the connecting shaft (5) are non-circular in cross section, so that the locking member (4) is engaged to the connecting shaft (5) and rotates along with the connecting shaft (5).
  4. 4. An electronic lock according to claim 3, wherein: The cross section of the joint (50) between the mounting hole (40) of the locking piece (4) and the connecting shaft (5) is elliptical or polygonal.
  5. 5. The electronic lock of claim 4, wherein: The cross section of the joint part (50) of the mounting hole (40) of the locking piece (4) and the connecting shaft (5) is in a regular triangle, a regular quadrangle, a regular pentagon or a regular hexagon.
  6. 6. The electronic lock of claim 1, wherein: A seal ring mounting groove (52) for mounting the seal ring (6) is formed on the connecting shaft (5), the seal ring (6) is mounted in the seal ring mounting groove (52), and the seal ring (6) can rotate relative to the connecting shaft (5) and/or the shell (1) when the connecting shaft (5) rotates so as to realize dynamic seal between the connecting shaft (5) and the shell (1).
  7. 7. The electronic lock of claim 1, wherein: The connecting shaft (5) has a connecting end (51), a socket (510) is formed in the connecting end (51) of the connecting shaft (5), an output shaft (31) of the motor (3) is pluggable into the socket (510) of the connecting end (51) of the connecting shaft (5), and the socket (510) of the connecting end (51) of the connecting shaft (5) and the output shaft (31) of the motor (3) are non-circular in cross section so that the connecting shaft (5) is coupled to the output shaft (31) of the motor (3) and rotates along with the output shaft (31) of the motor (3).
  8. 8. The electronic lock of claim 7, wherein: The cross section of the insertion hole (510) of the connecting end (51) of the connecting shaft (5) and the output shaft (31) of the motor (3) is elliptical, flat or polygonal.
  9. 9. The electronic lock of any one of claims 1-8, wherein: the housing (1) comprises: a case main body (10) having a first bottom opening (110) and a second bottom opening (120) communicating with the first cavity (11) and the second cavity (12), respectively, and A bottom cover (14) welded to the bottom of the case main body (10) to seal the first bottom opening (110), The motor (3) is mounted into the first cavity (11) via the first bottom opening (110), and the locking member (4) is mounted into the second cavity (12) via the second bottom opening (120).
  10. 10. The electronic lock of claim 9, wherein: the connecting shaft (5) further has a support end (54), a support portion (140) is formed on the bottom cover (14) of the housing (1), a positioning groove (144) is formed on the support portion (140), and the support end (54) of the connecting shaft (5) is rotatably supported in the positioning groove (144) of the support portion (140).
  11. 11. The electronic lock of claim 9, wherein: The connecting shaft (5) further has a positioning flange (53), and the positioning flange (53) axially abuts against a positioning step (143) of a supporting portion (140) of the bottom cover (14) to axially position the connecting shaft (5).
  12. 12. The electronic lock of claim 10, wherein: A U-shaped slot (15) is formed on one end wall of the case main body (10), the connection shaft (5) is adapted to be inserted into the case main body (10) via the U-shaped slot (15), and a support portion (140) of the bottom cover (14) is positioned in the U-shaped slot (15) of the case main body (10).
  13. 13. The electronic lock of claim 9, further comprising: A detection module (7) is mounted into the first cavity (11) via the first bottom opening (110) for detecting the position of the locking member (4).
  14. 14. A charging gun, comprising: A charging gun housing; a power terminal arranged in the charging gun shell and used for being matched with a matching terminal of a charging seat, and The electronic lock of any one of claim 1-13, mounted to the charging gun housing, When the charging gun is inserted into the charging stand and the locking piece (4) is rotated to a locking position, the locking piece (4) is engaged with the charging stand to lock the charging gun to the charging stand; When the charging gun is inserted into the charging stand and the locking piece (4) is rotated to an unlocking position, the locking piece (4) is separated from the charging stand to allow the charging gun to be pulled out from the charging stand.

Description

Electronic lock and charging gun Technical Field The present utility model relates to an electronic lock for locking a charging gun to a charging stand. In addition, the utility model also relates to a charging gun comprising the electronic lock. Background In the prior art, when a charging gun is plugged onto a charging stand, in order to prevent the charging gun from being accidentally separated from the charging stand, an electronic lock for locking the charging gun to the charging stand needs to be installed on the charging gun. Generally, the electronic lock includes a housing, a locking member, and a servo motor. The locking member is rotatably mounted in the housing for rotation between a locked position and an unlocked position. A servo motor is mounted in the housing for driving the lock into rotation between a locked position and an unlocked position. When the locking member of the electronic lock is moved to the locking position, the locking member engages with the charging stand to lock the charging gun to the charging stand. When the electronic lock is moved to the unlocked position, the locking member is disengaged from the charging dock to allow the gun to be pulled out of the charging dock. In the prior art, a slot is formed in the housing, and a locking portion of the locking member is exposed from the slot for engagement of the charging stand. Therefore, the inner cavity of the existing housing is an open cavity communicated with the outside, and water vapor can enter the inner cavity of the housing through the slot hole, which requires that the servomotor itself has a waterproof function, for example, the waterproof level of the servomotor is required to be higher than IPX, but the cost of the servomotor with the waterproof function is higher, which increases the cost of the electronic lock. Disclosure of utility model The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art. According to one aspect of the present utility model, an electronic lock is provided for locking a charging gun to a charging stand. The electronic lock comprises a shell, a locking piece, a motor, a connecting shaft, a sealing ring and a sealing ring, wherein the shell is provided with a first cavity, a second cavity and a partition wall used for separating the first cavity from the second cavity, the locking piece is arranged in the second cavity and is suitable for rotating between a locking position which is engaged with a charging seat and an unlocking position which is separated from the charging seat, the motor is arranged in the first cavity and is used for driving the locking piece to rotate between the locking position and the unlocking position, the connecting shaft is connected between the locking piece and the motor and penetrates through a through hole on the partition wall, the sealing ring is sleeved on the connecting shaft and is extruded between the inner peripheral surface of the through hole and the outer peripheral surface of the connecting shaft so as to seal the through hole, and the first cavity is a sealing cavity which is separated from the outer part of the shell, and the second cavity is an opening cavity which is communicated with the outer part of the shell. According to an exemplary embodiment of the present utility model, a slot communicating with the second cavity is formed in the housing, and a locking portion of the locking member is exposed through the slot to be engaged with the charging stand. According to another exemplary embodiment of the present utility model, a mounting hole is formed on the locking member, the connection shaft has an engagement portion engaged into the mounting hole, and a cross section of the engagement portion of the connection shaft and the mounting hole of the locking member is non-circular such that the locking member is engaged to the connection shaft and rotates along with the connection shaft. According to another exemplary embodiment of the present utility model, a cross section of the engagement portion of the coupling shaft and the mounting hole of the locking member is elliptical or polygonal. According to another exemplary embodiment of the present utility model, the cross section of the joint portion of the mounting hole of the locking member and the connecting shaft is regular trilateral, regular tetragonal, regular pentagonal or regular hexagonal. According to another exemplary embodiment of the present utility model, a seal ring mounting groove for mounting the seal ring is formed on the connection shaft, the seal ring being mounted in the seal ring mounting groove, the seal ring being rotatable with respect to the connection shaft and/or the housing upon rotation of the connection shaft to achieve a dynamic seal between the connection shaft and the housing. According to another exemplary embodiment of the present utility model, the connection shaft has a connection end