CN220036382U - Electronic lock - Google Patents
Electronic lock Download PDFInfo
- Publication number
- CN220036382U CN220036382U CN202321465669.9U CN202321465669U CN220036382U CN 220036382 U CN220036382 U CN 220036382U CN 202321465669 U CN202321465669 U CN 202321465669U CN 220036382 U CN220036382 U CN 220036382U
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- Prior art keywords
- motor
- unlocking
- lock rod
- lock
- electronic lock
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to an electronic lock, which comprises a motor component, a lock rod component and an unlocking component; the motor assembly comprises a motor and a motor transmission part; the lock rod component comprises a main gear and a lock rod; the main gear is axially connected with the motor transmission part; the linear moving direction of the lock rod is perpendicular to the axial direction of the motor, and a rack on the lock rod is meshed with the main gear; the unlocking assembly comprises an unlocking rack and a pull rope, the unlocking rack is meshed with the main gear and is perpendicular to the axial direction of the motor transmission part and the linear moving direction of the lock rod, the pull rope is wound on a certain roller, one end of the pull rope is connected with the unlocking rack, and the other end of the pull rope is a free end. The utility model makes the lock rod and the motor shaft turn at 90 degrees; the unlocking racks are arranged, so that the unlocking racks, the motor shaft and the locking rod are perpendicular to each other in a three-dimensional space. The locking device has the advantages of small volume, convenience in installation, large pushing force of the locking rod, convenience in locking and unlocking and the like.
Description
Technical Field
The utility model relates to an electronic lock, and belongs to the technical field of electronic locks.
Background
Along with the rapid development of new energy automobiles, in daily use, pure electric vehicles and plug-in hybrid electric vehicles all need to charge batteries, and charging voltage often reaches about 220V-750V, and in order to improve the safety of charging, according to the connecting device for GBT20234.1-2015 electric automobile conduction charging: the first part provides that the new energy automobile charging connection device has a locking function, so that the charging gun is prevented from being accidentally disconnected or manually pulled down in the charging process, and the device with the locking function is the electronic lock.
At present, when a charging gun is inserted, the electronic lock obtains a locking signal, and then the lock rod extends out to lock the charging gun, so that accidental disconnection or falling is prevented, and when the charging gun is pulled down after charging is completed, the electronic lock obtains an unlocking signal, and the lock rod retracts to unlock the charging gun; in addition, in order to prevent the electronic lock from being automatically unlocked when power failure or other faults occur, a manual mechanical unlocking device is further designed in the electronic lock, and the lock rod is retracted to be unlocked through an internal mechanical structure.
The problems of the prior art are that the volume occupied by a motor, a lock rod and a manual mechanical unlocking device in the process of realizing transmission is large, the thrust of the lock rod is insufficient, and the external force required to be applied by manual mechanical unlocking is large.
Disclosure of Invention
The utility model provides an electronic lock structure with a gear rack combination for electric locking and mechanical unlocking, which enables a lock rod and a motor shaft to turn at 90 degrees; the unlocking racks are arranged, so that the unlocking racks, the motor shaft and the locking rod are perpendicular to each other in a three-dimensional space. The locking device has the advantages of small volume, convenience in installation, large pushing force of the locking rod, convenience in locking and unlocking and the like.
The utility model adopts the following technical scheme:
an electronic lock comprises a motor component, a lock rod component and an unlocking component; the motor assembly comprises a motor 1 and a motor transmission part; the lock rod assembly comprises a main gear 2 and a lock rod 3; the main gear 2 is axially connected with the motor transmission part; the linear moving direction of the lock rod 3 is vertical to the axial direction of the motor 1, and a rack on the lock rod 3 is meshed with the main gear 2; the unlocking assembly comprises an unlocking rack 4 and a pull rope 9, wherein the unlocking rack 4 is meshed with the main gear 2 and is perpendicular to the axial direction of a motor transmission part and the linear moving direction of a lock rod, the pull rope 9 is wound on a certain roller 13, one end of the pull rope is connected with the unlocking rack 4, and the other end of the pull rope is a free end.
Preferably, a base assembly is also included, the base assembly including a base 12 supporting the motor assembly and the locking bar assembly, and a cover overlying the base.
Further, the cover is divided into a second upper cover 16 directly covering the base 12, and a first upper cover 15 connected over the second upper cover 16.
Further, the first upper cover 15 and the base 12 are ultrasonically welded.
Preferably, the motor transmission means comprise a reduction gearbox 17 connected between the motor 1 and the main gear 2.
Preferably, the motor assembly further comprises a first circuit board 5, a second circuit board 7 and a micro switch 6; the input end and the output end of the motor 1 are connected through a first circuit board 5 and a second circuit board 7, and a micro switch 6 is welded on the second circuit board 7 and is linked with the unlocking rack 4.
Further, the main gear 2 is a special gear with a notch, a rack on the lock rod 3 is meshed with the special gear, and when the motor is electrified to rotate forward or reversely, the special gear is output to drive the lock rod to move, so that the locking or unlocking function of the electronic lock is completed; the notch on the special gear is matched with the structure of the base 12 to limit, so that the electronic lock is prevented from being damaged due to overload in the locking or unlocking process.
Further, a lock rod sealing ring 14 is arranged around the lock rod 3, and a wire harness sealing plug 8 for sealing the wire harness and a pull rope sealing plug 10 for sealing the pull rope are arranged outside the base 12.
The utility model has the beneficial effects that:
1) The lock rod and the motor shaft are turned by 90 degrees (instead of the conventional common parallel screw transmission), the volume is small, the transmission efficiency is high, and the thrust of the lock rod is large.
2) The unlocking racks are arranged, so that the unlocking racks, the motor shaft and the locking rod are perpendicular to each other in a three-dimensional space. The whole electronic lock is small in size, convenient to install and labor-saving in manual unlocking.
Drawings
Fig. 1 is an exploded view of the utility model with a locking cap.
Fig. 2 is a schematic view of the external shape of the electronic lock with a lock cover.
Fig. 3 is an exploded view of the electronic lock of the present utility model without the locking cap.
Fig. 4 is a schematic diagram of the electronic lock when locked, wherein (a) is a plan schematic diagram and (b) is a perspective schematic diagram.
Fig. 5 is a schematic diagram of an electronic lock when unlocked, wherein (a) is a plan schematic diagram and (b) is a perspective schematic diagram.
Fig. 6 is a structural comparison diagram of the electronic lock when unlocked and manually unlocked, wherein (a) is in a locked state and (b) is in an unlocked state.
In the figure, a motor 1, a main gear 2, a lock rod 3, an unlocking rack 4, a first circuit board 5, a micro switch 6, a second circuit board 7, a wire harness sealing plug 8, an unlocking pull rope 9, a pull rope sealing plug 10, a nut 11, a base 13, a fixed roller 14, a lock rod sealing ring 15, a first upper cover 16, a second upper cover 17 and a reduction gearbox.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
The electronic lock consists of a base component, a motor component, a lock rod component and an unlocking component, and is shown in fig. 1;
referring to fig. 1, the base assembly includes a base, a first upper cover 15, a second upper cover 16, a nut 11, and the like.
The second upper cover 16 directly covers the base 12, and the first upper cover 15 is connected to the second upper cover 16.
Referring to fig. 3, the first upper cover 15 and the base 12 are welded by ultrasonic, and the ribs and the grooves are welded by ultrasonic, and the melted plastic is filled in the grooves to form good seal, so as to meet the protection level requirement of IP 67; the second upper cover 16 is clamped with the base 12, can bear the impact force when the lock rod is retracted, and prevents the welded seal of the first upper cover 15 from being damaged; wherein the nut 11 and the base are injection molded, so that the base 12 is not damaged due to overlarge external force when the electronic lock is installed.
With continued reference to fig. 3, the motor assembly includes motor 1, reduction gearbox 17, first circuit board 5, second circuit board 7, micro-switch 6, etc.; the reduction gearbox 17 reduces the output rotation speed of the motor 1 and then outputs the reduced output rotation speed by the special-shaped gear (namely the main gear 2); the two input and output ends of the motor are connected with a second circuit board 7 through a first circuit board 5, and a micro switch 6 is welded on the second circuit board 7 and is linked with the unlocking rack 4.
3-5, the lock rod component comprises a special-shaped gear, the lock rod 3 is meshed with a rack on the lock rod 3, when the motor is electrified to rotate positively or reversely, the special-shaped gear is used for outputting transmission to drive the lock rod 3 to move, and the locking or unlocking function of the electronic lock is completed; the corresponding notch on the special-shaped gear is matched with the structure of the base to limit, so that the mechanism is prevented from being damaged due to overload in the locking or unlocking process.
With reference to fig. 3-6, the unlocking component consists of an unlocking rack 4, an unlocking pull rope 9 and a fixed roller 13, and after the electronic lock is locked, the unlocking pull rope 9 can be pulled by hand to realize a manual unlocking function if the electronic lock cannot be unlocked when power failure or other faults occur;
referring to fig. 3, the locking rod sealing ring 14, the wire harness sealing plug 8, the pull rope sealing plug 10, and the melted plastic of the first upper cover 15 and the base 12 are formed into a sealing structure of the whole electronic lock, so that the whole electronic lock can be ensured to meet the protection requirement of IP67, and the protection level and the quality level of the electronic lock are improved.
The working process of locking the electronic lock comprises the following steps:
when the positive electrode of the motor is connected with the positive electrode of the power supply, the negative electrode of the motor is connected with the negative electrode of the power supply, the gear at the output end of the motor rotates clockwise (observed towards the output shaft of the motor), after the speed of the reduction gearbox is changed, the special-shaped gear rotates anticlockwise and drives the locking rod meshed with the special-shaped gear to move downwards until the locking limiting point of the gear contacts with the corresponding point on the base, the special-shaped gear does not rotate any more and is in a locking state, at the moment, the electronic lock is locked, meanwhile, the special-shaped gear drives the unlocking rack meshed with the special-shaped gear to move rightwards, the unlocking rack triggers the micro switch, and a signal for the whole vehicle system to be locked in place is provided; the electronic lock is locked; as shown in fig. 4.
The unlocking working process of the electronic lock comprises the following steps:
on the contrary, when the motor anode is connected with the power supply cathode, the motor cathode is connected with the power supply anode, the gear at the output end of the motor rotates anticlockwise (observed towards the motor output shaft), after the speed of the reduction gearbox is changed, the special-shaped gear rotates clockwise and drives the locking rod meshed with the special-shaped gear to move upwards until the gear unlocking limiting point contacts with the corresponding point on the base, and the special-shaped gear is not rotated and is in an unlocking state; unlocking the electronic lock; as shown in fig. 5.
The manual unlocking working process of the electronic lock comprises the following steps:
when the unlocking can not be completed due to power failure or other abnormal faults of the charging system, the unlocking pull rope is manually pulled, the unlocking rack is forcibly pulled to move rightwards, the special-shaped gear is driven to rotate clockwise (to be observed towards the motor output shaft), meanwhile, the locking rod meshed with the special-shaped gear moves upwards, the locking state is exited, and the electronic lock is manually unlocked, so that the electronic lock is completed as shown in fig. 6.
The locking rod and the motor shaft are turned by 90 degrees (instead of the conventional common parallel screw transmission), the volume is small, the transmission efficiency is high, and the thrust of the locking rod is large. The unlocking racks are arranged, so that the unlocking racks, the motor shaft and the locking rod are perpendicular to each other in a three-dimensional space. The whole electronic lock is small in size, convenient to install and labor-saving in manual unlocking.
The foregoing is a preferred embodiment of the present utility model, and various changes and modifications may be made therein by those skilled in the art without departing from the general inventive concept, and such changes and modifications should be considered as falling within the scope of the claimed utility model.
Claims (8)
1. An electronic lock, characterized in that:
the locking and unlocking device comprises a motor component, a locking rod component and an unlocking component;
the motor assembly comprises a motor (1) and a motor transmission part;
the lock rod assembly comprises a main gear (2) and a lock rod (3); the main gear (2) is axially connected with the motor transmission part; the linear moving direction of the lock rod (3) is perpendicular to the axial direction of the motor (1), and a rack on the lock rod (3) is meshed with the main gear (2);
the unlocking assembly comprises an unlocking rack (4) and a pull rope (9), the unlocking rack (4) is meshed with the main gear (2) and is perpendicular to the axial direction of the motor transmission part and the linear moving direction of the lock rod, the pull rope (9) is wound on a certain roller (13), one end of the pull rope is connected with the unlocking rack (4), and the other end of the pull rope is a free end.
2. The electronic lock of claim 1, wherein: the motor assembly further comprises a base assembly, wherein the base assembly comprises a base (12) for supporting the motor assembly and the lock rod assembly, and a cover body covering the base.
3. The electronic lock of claim 2, wherein: the cover body is divided into a second upper cover (16) directly covering the base (12) and a first upper cover (15) connected above the second upper cover (16).
4. The electronic lock of claim 2, wherein: the first upper cover (15) and the base (12) are welded by ultrasonic waves.
5. The electronic lock of claim 1, wherein: the motor transmission part comprises a reduction gearbox (17) connected between the motor (1) and the main gear (2).
6. The electronic lock of claim 1, wherein: the motor assembly further comprises a first circuit board (5), a second circuit board (7) and a micro switch (6); the input and output ends of the motor (1) are connected through a first circuit board (5) and a second circuit board (7), and the micro switch (6) is welded on the second circuit board (7) and is linked with the unlocking rack (4).
7. The electronic lock of claim 2, wherein: the main gear (2) is a special-shaped gear with a notch, a rack on the lock rod (3) is meshed with the special-shaped gear, and when the motor is electrified to rotate positively or reversely, the special-shaped gear is used for outputting and driving the lock rod to move so as to complete the locking or unlocking function of the electronic lock; the notch part on the special-shaped gear is matched with the structure of the base (12) to limit, so that the electronic lock is prevented from being damaged due to overload in the locking or unlocking process.
8. The electronic lock of claim 2, wherein: a lock rod sealing ring (14) is arranged around the lock rod (3), and a wire harness sealing plug (8) for sealing the wire harness and a pull rope sealing plug (10) for sealing the pull rope are arranged outside the base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465669.9U CN220036382U (en) | 2023-06-08 | 2023-06-08 | Electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465669.9U CN220036382U (en) | 2023-06-08 | 2023-06-08 | Electronic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036382U true CN220036382U (en) | 2023-11-17 |
Family
ID=88732463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465669.9U Active CN220036382U (en) | 2023-06-08 | 2023-06-08 | Electronic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036382U (en) |
-
2023
- 2023-06-08 CN CN202321465669.9U patent/CN220036382U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |