CN214929050U

CN214929050U - Transmission mechanism of charging socket electronic lock

Info

Publication number: CN214929050U
Application number: CN202120883415.3U
Authority: CN
Inventors: 田强强; 左伟秀; 何其晋
Original assignee: Nanjing Kangni New Energy Auto Parts Co ltd
Current assignee: Nanjing Kangni New Energy Auto Parts Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-30
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a socket electronic lock drive mechanism charges, include: the device comprises a driving mechanism, a transmission mechanism, a cam gear mechanism and a lock pin; the driving mechanism, the transmission mechanism and the cam gear mechanism are in meshing transmission through gears; an arc-shaped notch is formed in the cam gear mechanism, a sliding shaft is arranged on one side of the lock pin, and the sliding shaft is matched with the arc-shaped notch; the rotating motion of the cam gear mechanism drives the sliding shaft on the lock pin to slide along the arc-shaped notch, and then the lock pin is pushed to move up and down to realize locking and unlocking. The utility model discloses whole transmission scheme is simple high-efficient, can be applied to the vehicle electronic lock transmission structure layout design that charges of various standards, and application prospect is good.

Description

Transmission mechanism of charging socket electronic lock

Technical Field

The utility model belongs to the technical field of the socket electronic lock that charges, concretely relates to socket electronic lock drive mechanism charges.

Background

At present, due to the regulation of standards of various countries, alternating current charging sockets of China, European Union, America, Japan and other countries need to be provided with electronic locks to prevent intentional or unintentional drawing out of a charging gun in a charging process, and the existing charging socket electronic locks on the market generally have the problems of short service life, long-time use inconvenience, difficult operation of a manual unlocking mechanism, high cost and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a socket electronic lock drive mechanism charges, realize circular motion and linear motion's switching through the arc notch, whole transmission efficiency is higher.

In order to solve the technical problem, the utility model provides a socket electronic lock drive mechanism charges, characterized by includes:

the device comprises a driving mechanism, a transmission mechanism, a cam gear mechanism and a lock pin;

the driving mechanism, the transmission mechanism and the cam gear mechanism are sequentially in gear engagement transmission;

an arc-shaped notch is formed in the cam gear mechanism, a sliding shaft is arranged on one side of the lock pin, and the sliding shaft is matched with the arc-shaped notch;

the rotating motion of the cam gear mechanism drives the sliding shaft on the lock pin to slide along the arc-shaped notch, and then the lock pin is pushed to move up and down to realize locking and unlocking.

Optionally, the driving mechanism is a motor.

Optionally, the transmission mechanism includes a first-stage transmission gear and a second-stage transmission gear, the first-stage transmission gear and the second-stage transmission gear respectively include a large gear and a small gear, the driving mechanism is engaged with the large gear of the first-stage transmission gear, the small gear of the first-stage transmission gear is engaged with the large gear of the second-stage transmission gear, and the small gear of the second-stage transmission gear is connected with the cam gear mechanism.

Optionally, the radius of the large gear in the first-stage transmission gear is larger than that of the large gear in the second-stage transmission gear.

Optionally, the rotation axes of the driving mechanism, the transmission mechanism and the cam gear mechanism are all in the same plane.

Optionally, the initial position and the end position of the motion line in the arc-shaped notch are both provided with dead points of arcs with equal radius.

Optionally, the cam gear mechanism is further provided with a cam, and a protrusion is arranged at the front end of the cam;

the tail end of the rotating connecting rod is provided with a clutch mechanism, and a space matched with a bulge at the front end of the cam is formed in the clutch mechanism;

when the electric lock is unlocked emergently, the rotating connecting rod is driven to be in contact with the cam through external force, the protrusion at the front end of the cam is inserted into the clutch mechanism of the rotating connecting rod, the rotating connecting rod is rotated to drive the cam to rotate, and then the lock pin is driven to move upwards to realize unlocking of the electric lock; the rotating connecting rod is restored to the initial position through the cam motion of the first locking after the unlocking.

Optionally, the protrusion is 1/4 cylindrical, and a 1/4 cylindrical space matched with the protrusion is arranged in the clutch mechanism.

Optionally, the locking mechanism further comprises an unlocking pull rope, and the unlocking pull rope is mounted at the head of the rotating connecting rod.

Optionally, the head of the rotating link is provided with a groove, and the unlocking pulling rope is detachably mounted on the groove of the rotating link.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses socket electronic lock drive mechanism charges reduces the rotational speed of motor and progressively improves the moment of torsion through the gear train, and the last transmission passes through the switching that arc notch realized circular motion and linear motion, and whole transmission efficiency is higher, and the transmission reliability is higher, and the mechanism is simple, and the cost is lower, has good application prospect.

Drawings

Fig. 1 is a schematic structural view of the transmission mechanism of the vehicle charging socket electronic lock of the present invention;

FIG. 2 is a schematic structural view of the cam-gear mechanism;

FIG. 3 is a schematic view of the detent construction;

FIG. 4 is a schematic view of the cam gear assembly with the lock pin;

fig. 5 is a schematic structural view of the locking state of the transmission mechanism of the vehicle charging socket electronic lock of the present invention;

FIG. 6 is a schematic structural view of the middle state of the transmission mechanism of the vehicle charging socket electronic lock of the present invention;

fig. 7 is a schematic structural view of an unlocked state of the transmission mechanism of the vehicle charging socket electronic lock of the present invention;

FIG. 8 is a schematic view of a structure of a rotating link;

fig. 9 is a schematic view of the structure of the cam gear mechanism assembled with the rotating link.

The designations in the drawings have the following meanings:

1. a cam gear mechanism; 1-1, a gear; 1-2, guide rail blocks; 1-3, arc notch; 1-4, a cam; 2. a motor; 3. a primary transmission gear; 4. rolling needles; 5. a secondary transmission gear; 6. a lock pin; 6-1, a sliding shaft; 7. rotating the connecting rod; 7-1, a clutch mechanism; 7-2, a groove; 8. the release cord.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including other elements not expressly listed, in addition to those listed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present patent application can be understood in specific cases by those skilled in the art.

The utility model discloses a socket electronic lock drive mechanism charges, include: the driving mechanism, the transmission mechanism, the cam gear mechanism 1 and the lock pin 6;

the driving mechanism, the transmission mechanism and the cam gear mechanism 1 are sequentially meshed with each other through gears to perform transmission;

the cam gear mechanism 1 is provided with arc-shaped notches 1-3, one side of the lock pin 6 is provided with a sliding shaft 6-1, and the sliding shaft 6-1 is matched with the arc-shaped notches 1-3;

the rotating motion of the cam gear mechanism 1 drives the sliding shaft 6-1 on the lock pin 6 to move along the arc-shaped notch 1-3, and then the lock pin 6 is pushed to move up and down to realize locking and unlocking.

The utility model discloses socket electronic lock drive mechanism charges, the last transmission passes through the switching that arc notch realized circular motion and linear motion, and whole transmission efficiency is higher, and the transmission reliability is higher.

Example 1

In this embodiment, the driving mechanism is a motor, and the transmission mechanism is a primary transmission gear and a secondary transmission gear. The concrete result is as shown in fig. 1, the utility model discloses socket electronic lock drive mechanism charges, including motor 2, one-level drive gear 3, kingpin 4, secondary drive gear 5, cam gear 1, lockpin 6.

The primary transmission gear 3 comprises a large gear and a small gear which are coaxially connected and fixed through a roller pin 4; similarly, the secondary transmission gear 5 comprises a large gear and a small gear which are coaxially connected and fixed through the roller pin 4; and the radius of the big gear in the first-stage transmission gear 3 is larger than that of the big gear in the second-stage transmission gear 5.

An output gear of the motor 2 is meshed with a large gear of the first-stage transmission gear 3, and a small gear of the first-stage transmission gear 3 is meshed with a large gear of the second-stage transmission gear 5, so that gradual speed reduction is realized.

Referring to fig. 2, the structure of the cam-gear mechanism 1 is that the cam-gear mechanism 1 includes a gear 1-1 and a guide rail block 1-2, the gear 1-1 is fixed on one side of the guide rail block 1-2, an arc-shaped notch 1-3 is formed on the guide rail block 1-2, and the arc-shaped notch 1-3 is set to be 1/4 arcs in this embodiment. The pinion of the secondary transmission gear 5 is meshed with a gear 1-1 on the cam gear mechanism 1 to drive the guide rail block 1-2 to rotate.

The structure of the lock pin 6 is shown in figure 3, one side of the lock pin 6 is provided with a sliding shaft 6-1, the sliding shaft 6-1 is matched with the arc-shaped notch 1-3, the assembly relation of the cam gear mechanism 1 and the lock pin 6 is shown in figure 4, the sliding shaft 6-1 can slide in the arc-shaped notch 1-3, and the rotating motion of the guide rail block 1-2 drives the sliding shaft 6-1 to reversely move along the arc-shaped notch 1-3, so that the pin shaft 6 is pushed to vertically move up and down. Two salient points (corresponding to two switches) are arranged at the bottom of the lock pin 6, and when the electric lock is locked and unlocked (namely the lock pin moves to the bottommost part of the topmost part), the switches are triggered respectively, so that the movement position of the lock pin 6 can directly feed back the working state of the electric lock.

The utility model discloses a socket electronic lock drive mechanism working process that charges does: when the motor 2 works, the output gear of the motor 2 drives the first-stage transmission gear 3 in a rotating mode, the first-stage transmission gear 3 drives the second-stage transmission gear 5, the second-stage transmission gear 5 drives the gear 1-1 on the cam gear mechanism 1 to further drive the guide rail block 1-2 to rotate, the sliding shaft 6-1 on the lock pin 6 is driven to move along the arc-shaped notch 1-3, and the lock pin 6 is further pushed to vertically move up and down to achieve locking and unlocking. Above-mentioned all motors 2, one-level drive gear 3, secondary drive gear 5, drive mechanism such as cam gear mechanism 1's rotation axis all is in the coplanar, and is fixed convenient, convenient equipment, because drive mechanism is simple reliable, only contains gear drive and arc notch transmission, and this scheme can also improve novel vehicle charging socket electronic lock drive mechanism's reliability.

The main motion of the utility model is the sliding of the sliding shaft 6-1 along the arc-shaped notch 1-3, the pushing angle of the gear 1-1 is 90 degrees, and when the gear 1-1 rotates, the linear motion of the lock pin 6 is driven through the motion line of the arc-shaped notch 1-3. The sliding track in the arc-shaped notch 1-3 is designed by adopting a high-order square driven part push stroke curve, dead point designs of circular arcs with equal radiuses are designed at the initial and end positions of the movement line of the arc-shaped notch 1-3, namely the gear 1-1 can rotate, but the lock pin 6 does not move, and when the lock pin 6 is subjected to radial ejection force towards the inside of the mechanism along the lock rod in the actual use process, the lock pin 6 cannot retreat under a non-destructive state because the center curve of the arc-shaped notch is a circular arc, so that the retreat of the lock pin 6 is realized. Theoretically, no motion impact is generated, the mechanism is effectively protected, and the service life is prolonged.

As shown in fig. 5, the illustrated state is a normal locking state of the electronic lock, in which the rotating link 7 is separated from the cam gear mechanism 1, the motor 2 drives the cam gear mechanism 1 to bottom counterclockwise, and further drives the lock pin 6 to fully extend, thereby completing the locking operation.

As shown in fig. 6, the illustrated state is an intermediate state between locking and unlocking of the electronic lock, in which the rotating link 7 is separated from the cam-gear mechanism 1, and the motor 2 drives the cam-gear mechanism 1 to move clockwise, and further drives the lock pin 6 to move up to the middle between locking and unlocking.

As shown in fig. 7, the illustrated state is a normal unlocking state of the electronic lock, in which the rotating link 7 is separated from the cam-gear mechanism 1, the motor 2 drives the cam-gear mechanism 1 to move clockwise to the bottom, and further drives the lock pin 6 to move upward to a designed movement distance, thereby completing the unlocking action.

When motor drive mechanism became invalid or drive mechanism damaged, the release mechanism in order to guarantee the electronic lock can the external drive (if manual) unblock, the utility model discloses still designed urgent release mechanism, specific scheme as follows.

The cam 1-4 is further arranged on the other side of the guide rail block 1-1 in the cam gear mechanism 1, the structure of the cam 1-1 is shown in fig. 2, the cam 1-2 is a cylinder, and the front end of the cam 1-2 is a protrusion formed by cutting off 3/4 circular columns from the cylinder, namely the protrusion at the front end of the cam 1-2 is a 1/4 cylinder. When the guide rail block 1-2 rotates, the cam 1-4 can be driven to rotate.

The structure of the rotating connecting rod 7 is shown in fig. 8, a clutch mechanism 7-1 is arranged at the tail end of the rotating connecting rod 7, an 1/4 cylindrical space is formed in the clutch mechanism 7-1, a 1/4 cylindrical space in the clutch mechanism 7-1 is matched with a 1/4 cylindrical protruding at the front end of a cam 1-4, when an electric lock motor fails or a transmission mechanism is damaged, the rotating connecting rod 7 is driven to be in contact with the cam 1-4 through external force, the protruding at the front end of the cam 1-4 is inserted into the clutch mechanism 7-1 of the rotating connecting rod 7, the rotating connecting rod 7 is rotated, a guide rail block 1-2 is driven to rotate, and then a lock pin 6 is driven to move upwards, so that unlocking of the electric lock is achieved.

Preferably, the locking device further comprises an unlocking pull rope 8, the head of the rotating connecting rod 7 is provided with a groove 7-2, and the unlocking pull rope 8 can be freely installed and removed directly through the groove 7-2 on the rotating connecting rod 7. The rotation of the rotating link 7 is achieved by pulling the unlocking cord 8 upward.

The purpose of its existence of rotatory connecting rod 7 is when the electric lock breaks down, unable during operation, provides a manual unblock mode, makes the electric lock unblock to guarantee the function realization of mechanism. The connection relation between the cam and the rotating connecting rod is shown in fig. 9, after the electric lock is locked in place, the cam gear mechanism 1 is in contact with the structure of the rotating connecting rod 7, the front end of the cam 1-4 is protruded to be inserted into the clutch mechanism 7-1 of the rotating connecting rod 7, then the rotating connecting rod 7 can be driven to rotate by pulling the unlocking pull rope 8 upwards, the cam gear mechanism 1 is driven to rotate clockwise (in the unlocking rotation direction in fig. 7), the lock pin 6 is driven to move upwards, the mechanism is unlocked, the cam gear mechanism 1 driven by the motor 2 restores the rotating connecting rod 7 to the initial position through the cam motion of first locking after unlocking, two parts are not in contact with each other in the subsequent normal locking and unlocking use process, the rotating connecting rod 7 does not move any more, and the emergency unlocking mechanism does not work when the electric lock works normally.

To sum up, the utility model discloses vehicle socket electronic lock drive mechanism that charges reduces the rotational speed of motor and progressively improves the moment of torsion through the gear train, and the final stage transmission passes through the switching that arc notch realized circular motion and linear motion, and whole transmission efficiency is higher, and the transmission reliability is higher, and the mechanism is simple, and the cost is lower, has good application prospect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a socket electronic lock drive mechanism charges which comprises: the device comprises a driving mechanism, a transmission mechanism, a cam gear mechanism and a lock pin;

2. The transmission mechanism as claimed in claim 1, wherein the driving mechanism is a motor.

3. The transmission mechanism of claim 1, wherein the transmission mechanism comprises a primary transmission gear and a secondary transmission gear, the primary transmission gear and the secondary transmission gear respectively comprise a large gear and a small gear, the driving mechanism is engaged with the large gear of the primary transmission gear, the small gear of the primary transmission gear is engaged with the large gear of the secondary transmission gear, and the small gear of the secondary transmission gear is connected with the cam gear mechanism.

4. The transmission mechanism of claim 3, wherein the radius of the large gear of the first-stage transmission gear is larger than that of the large gear of the second-stage transmission gear.

5. The charging socket electronic lock actuator of claim 1, wherein the axes of rotation of the drive mechanism, the actuator and the cam gear mechanism are all in the same plane.

6. The transmission mechanism of claim 1, wherein the initial and final positions of the movement line in the arc-shaped slot are provided with dead points of an arc with equal radius.

7. The transmission mechanism of claim 1, wherein the cam-gear mechanism is further provided with a cam, and the front end of the cam is provided with a protrusion;

8. The transmission mechanism as claimed in claim 7, wherein the protrusion is 1/4 cylinder, and the clutch mechanism has 1/4 cylinder space matching with the protrusion.

9. The transmission mechanism as claimed in claim 7, further comprising an unlocking cord, wherein the unlocking cord is mounted on the head of the rotating link.

10. The transmission mechanism as claimed in claim 9, wherein the head of the rotary link has a groove, and the unlocking cord is detachably mounted on the groove of the rotary link.