CN214943260U

CN214943260U - Electronic lock for bicycle

Info

Publication number: CN214943260U
Application number: CN202120790040.6U
Authority: CN
Inventors: 武君
Original assignee: Shenzhen Dousuo Technology Co ltd
Current assignee: Shenzhen Dousuo Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-30
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an electronic lock for bicycle, which comprises a lock tongue and a motor for driving the lock tongue to move in a telescopic way, wherein the lock tongue is movably inserted in a lock head, an elastic element is arranged between the lock head and the lock tongue, the lock head is connected with the motor in a transmission way, and when the motor drives the lock head and drives the lock tongue to extend out, the lock tongue is inserted into a lock hole of the bicycle to realize locking; when the motor drives the lock head and drives the lock tongue to retract, the lock tongue exits from the lock hole to realize unlocking; the spring bolt stretches out and when not adjusting the lockhole well, the tapered end is relative the spring bolt slides and makes the elastic component warp, the spring bolt rotates when adjusting the lockhole well, the elastic component resumes deformation and orders about the spring bolt is relative the tapered end slides and inserts the lockhole and realizes locking, the utility model discloses simple structure, cost are lower, the tool to lock structure hides can effectively prevent burglary in the casing, can control intelligence, convenience, swift through portable electronic equipment such as cell-phone in the operation.

Description

Electronic lock for bicycle

Technical Field

The utility model relates to a bicycle technical field especially relates to a bicycle electronic lock.

Background

The bicycle is the most common tool for riding instead of walk, and the bicycle is driven by the pedal of a rider to move, so that the bicycle is green, environment-friendly and pollution-free. Nowadays, bicycles are used as transportation means for walking and traveling by the general public, and are more and more popular with body-building and outdoor enthusiasts for riding exercise, traveling and the like.

The bicycle is locked to be the basic operation of bicycle theft prevention, and the bicycle locks on the market are all mechanical locks at present, are easily damaged by thieves, and are difficult to achieve the expected theft prevention requirement. Along with electronic equipment's development, especially smart mobile phone's development and popularization, the electronic lock is applied to on the bicycle gradually, and the user can control the electronic lock through cell-phone APP and realize locking the car or unblank, and is convenient and fast more in the operation. However, the existing electronic lock has a complex structure and high cost, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of this, a bicycle electronic lock with low cost and good theft prevention is provided.

An electronic lock for a bicycle comprises a lock tongue and a motor for driving the lock tongue to move in a telescopic mode, wherein the lock tongue is movably inserted into a lock head, an elastic piece is arranged between the lock head and the lock tongue, the lock head is in transmission connection with the motor, and when the motor drives the lock head and drives the lock tongue to extend out, the lock tongue is inserted into a lock hole of the bicycle to lock; when the motor drives the lock head and drives the lock tongue to retract, the lock tongue exits from the lock hole to realize unlocking; when the lock tongue extends out and is not aligned with the lock hole, the lock head slides relative to the lock tongue and enables the elastic part to deform, and when the lock tongue rotates to be aligned with the lock hole, the elastic part restores to deform and drives the lock tongue to slide relative to the lock head and to be inserted into the lock hole to realize locking.

Furthermore, the motor, the lock head, the lock bolt and the elastic piece are all arranged in a shell, and an opening is formed in the side end of the shell for the lock bolt to extend out or retract.

Furthermore, the lock head comprises a first end and a second end which are opposite to each other, the first end is in transmission connection with an output shaft of the motor so as to convert the rotation of the motor into the linear movement of the lock head, the second end faces the opening of the shell, the inner end of the lock tongue is connected with the second end in an inserted mode, and the outer end of the lock tongue extends out of the lock head.

Further, the motor is a gear motor, and the first end of the lock head is in threaded connection with the output shaft of the motor.

Furthermore, a first step is formed on the inner wall surface of the lock head, and a second step is formed on the outer wall surface of the lock tongue; the elastic piece is a spiral spring, is sleeved on the lock tongue and is clamped between the first step and the second step.

Furthermore, a shaft sleeve is arranged between the lock tongue and the second end of the lock head, the outer end of the shaft sleeve covers the end face of the second end of the lock head, and the inner end of the shaft sleeve abuts against the second step to limit the sliding of the lock tongue relative to the lock head.

Furthermore, a third step is formed on the inner wall surface of the shell, an annular edge is formed on the outer wall surface of the lock head, and the annular edge and the third step are abutted to limit the movement of the lock head relative to the shell when the vehicle is locked.

Further, a sealing ring is arranged between the shell and the lock head.

Further, be provided with the interface that charges on the casing.

Further, the bicycle electronic lock is installed on a wheel of a bicycle and rotates along with the wheel, and the moving direction of the lock tongue is parallel to the axial direction of the wheel of the bicycle.

Compared with the prior art, the electronic lock of the bicycle is arranged on the wheel, the lock head is driven and the lock tongue is driven to move in a telescopic way through the screwing of the motor and the lock head, so that the locking or unlocking is realized, the structure is simple, and the cost is lower; the control of the motor can be realized by portable electronic equipment such as a mobile phone and the like, and the operation is intelligent, convenient and quick; the specific structure of the electronic lock is hidden in the shell and not exposed, so that a thief is difficult to remove or destroy the electronic lock, and the bicycle is effectively prevented from being stolen.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the electronic lock for bicycle of the present invention.

FIG. 2 is a partial exploded view of the bicycle electronic lock illustrated in FIG. 1.

FIG. 3 is a cross-sectional view of the bicycle electronic lock illustrated in FIG. 1.

FIG. 4 is a schematic view of the unlocked state of the bicycle electronic lock shown in FIG. 1.

Fig. 5 is a schematic view of the electronic lock of the bicycle shown in fig. 1.

FIG. 6 is a schematic view of the electronic lock of the bicycle shown in FIG. 1 in an unlocked state.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. One or more embodiments of the present invention are illustrated in the accompanying drawings to provide a more accurate and thorough understanding of the disclosed embodiments. It should be understood, however, that the present invention may be embodied in many different forms and is not limited to the embodiments described below.

The same or similar reference numerals in the drawings of the utility model correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The utility model provides a bicycle electronic lock, as shown in fig. 1-3, bicycle electronic lock includes casing 10, sets up motor 20 in casing 10, by motor 20 driven spring bolt 30 and the tapered end 40 of transmission connection motor 20 and spring bolt 30.

On the whole, casing 10 is rectangular square box-like, and motor 20, spring bolt 30 and tapered end 40 hide in casing 10, not only make the bicycle whole appearance pleasing to the eye, and more importantly the internal structure of electronic lock can not be seen to the external world, and general people are difficult to demolish or destroy the electronic lock in the short time, so can effectively prevent burglary. The housing 10 is preferably provided on a wheel of a bicycle to lock the bicycle in cooperation with a lock disc 100 attached to a brake disc of the bicycle. The side of the housing 10 facing the lock plate 100 is provided with an opening 12 for the bolt 30 to extend or retract, thereby locking or unlocking the bicycle. Initially (i.e., unlocked), the deadbolt 30 is spaced a small distance from the lock aperture 110 in the lock collar 100, as shown in fig. 4. When the bicycle is locked, as shown in fig. 5, the locking tongue 30 is driven by the motor 20 to move toward the lock plate 100 along the axial direction of the locking hole 110, and extends out of the opening 12 for a certain length to be inserted into the locking hole 110.

Motor 20, which is a driving mechanism for driving bolt 30 to move telescopically, is preferably a gear motor, and the high-speed rotation of its rotor is converted into the low-speed rotation of its output shaft 22 after being decelerated by multi-stage gear transmission. The lock 40 is movably disposed in the housing 10, and is threadedly coupled to the output shaft 22 of the motor 20 to convert the rotation of the motor 20 into linear movement of the lock 40. When the motor 20 rotates in a certain direction (e.g., clockwise), the lock head 40 is pushed to move out of the housing 10; when the motor 20 rotates in a reverse direction (e.g., counterclockwise), the locking head 40 is driven to move into the housing 10. In the illustrated embodiment, the locking head 40 is a hollow cylindrical structure including opposing first and second ends. Wherein, the first end is connected with the output shaft 22 in an inserting and screwing way; the second end is inserted and slidably connected to the locking bolt 30. Initially, as shown in fig. 4, the locking head 40 is completely hidden in the housing 10, and the end surface of the second end of the locking head 40 is approximately flush with the side end of the housing 10 where the opening 12 is disposed; the inner end of the locking bolt 30 is close to the end of the output shaft 22, and the outer end of the locking bolt 30 extends out of the lock head 40 for a certain length.

When the motor 20 is started to be locked, as shown in fig. 5, the lock head 40 and the locking tongue 30 inserted into the lock head 40 move synchronously, and extend out of the housing 10 from the opening 12 by a certain length, the lock head 40 abuts against or approaches the lock disc 100, and the locking tongue 30 is inserted into a lock hole 110 corresponding to the lock disc 100. When the lock is unlocked, the motor 20 rotates reversely, the lock head 40 and the locking bolt 30 retract into the housing 10 from the opening 12, the locking bolt 30 exits from the locking hole 110 of the lock plate 100, and the state shown in fig. 4 is returned. Preferably, an elastic member 50, such as a coil spring, is disposed between the locking head 40 and the locking tongue 30, and is used for automatically aligning the locking tongue 30 with the locking hole 110. In the illustrated embodiment, locking bolt 30 has an outer diameter smaller than an inner diameter of locking head 40, and locking head 40 and locking bolt 30 are spaced apart from each other in a radial direction to receive elastic member 50. A first step 42 is formed at the center of the inner wall surface of lock head 40, a second step 32 is formed at the center of the outer wall surface of lock tongue 30, and elastic member 50 is sleeved at the inner end of lock tongue 30 and is clamped between first step 42 and second step 32.

As shown in fig. 4, initially, the elastic member 50 is in a natural state, and the outer end of the locking tongue 30 extends out of the locking head 40 and the housing 10 by a certain length, close to but a small distance from the lock plate 100 of the bicycle. When the motor 20 is started to lock the vehicle, as shown in fig. 6, if the outer end of the locking tongue 30 is dislocated with the locking hole 110 when the vehicle is parked, so that the locking tongue 30 cannot be inserted into the locking hole 110, at this time, along with the outward movement of the locking tongue 30 and the lock head, the outer end of the locking tongue 30 abuts against the solid part of the lock disc 100 and does not move any more, the lock head 40 continuously extends outward until abutting against the lock disc 100, so that the lock head 40 moves outward relative to the locking tongue 30, and the distance between the first step 42 and the second step 32 is reduced, so that the elastic member 50 is compressed. At this time, the bicycle can be slightly pushed, so that the lock tongue 30 and the lock disc 100 of the electronic lock form relative rotation, when the lock tongue 30 and the lock hole 110 rotate to the correct position, the elastic element 50 recovers to deform to push the lock tongue 30 to extend outwards relative to the lock head 40 and insert into the lock hole 110 to lock the bicycle, and therefore the phenomenon of locking the bicycle is effectively avoided.

Preferably, a shaft sleeve 60 is disposed between the locking bolt 30 and the locking head 40, and the shaft sleeve 60 may be made of an elastic wear-resistant material, etc., so that the locking bolt 30 can smoothly slide with respect to the locking head 40. Preferably, the outer end of the shaft sleeve 60 covers the end surface of the second end of the lock head 40, so as to prevent the lock head 40 from being damaged due to the contact between the lock head 40 and the lock disc 100 when the vehicle is locked; the inner end of the shaft sleeve 60 abuts against the outer side of the second step 32 of the locking tongue 30, so as to limit the sliding of the locking tongue 30 relative to the lock head 40 and prevent the locking tongue 30 from being separated from the lock head 40 under the action of the elastic element 50.

Preferably, the inner wall surface of the housing 10 is formed with a ring groove 14 at a position close to the opening 12, a sealing ring 16 is disposed in the ring groove 14, and the sealing ring 16 is tightly sandwiched between the housing 10 and the lock head 40 to prevent external dust, moisture, and the like from entering the interior of the housing 10 through the opening 12 of the housing 10 to affect the electrical safety of the motor 20 and the like. It should be understood that the ring groove may be formed on the outer wall surface of the lock cylinder 40, or the ring groove may be formed on both the outer wall surface of the lock cylinder 40 and the inner wall surface of the housing 10, which is not limited to the specific embodiment.

Preferably, the inner wall surface of the housing 10 is formed with a third step 18, the outer wall surface of the first end of the locking head 40 is formed with a rim 44 protruding radially outward, and the rim 44 cooperates with the third step 18 to limit the movement of the locking head 40 relative to the housing 10. Initially, the rim 44 of the locking head 40 is spaced from the third step 18 of the housing 10 by a distance that is comparable to the travel of the locking head 40 when locking the vehicle. When the vehicle is locked, the lock head 40 is driven by the motor 20 to move outward until the rim 44 touches the third step 18 and does not move any more, and at this time, the latch 30 is just inserted into the lock hole 110 to realize locking.

Preferably, a charging interface 19 is further provided on the housing 10 for connecting a power supply to charge a power supply battery of the motor 20. The power supply battery may be disposed in the housing 10, or may be disposed at other positions of the bicycle, such as on the frame or in the hub shell of the wheel. The motor 20 is preferably connected to a control module having a wireless communication function, such as a bluetooth function, and the user can control locking and unlocking of the bicycle by wirelessly communicating with the control module via a portable electronic device such as a mobile phone, and the operation is intelligent, convenient and fast.

The utility model discloses bicycle electronic lock can set up on the wheel of bicycle, locks the car with being connected to the cooperation of lock dish 100 on the brake disc. During operation, the motor 20 is screwed with the lock head 40 to drive the lock head 40 to move in a telescopic manner, so that the lock tongue 30 is driven to be inserted into or withdrawn from the lock hole 110 of the lock disc 100, the locking or unlocking of the bicycle is realized, the control of the motor 20 can be realized through a mobile phone APP and the like, and the bicycle lock is simple in structure, low in cost and convenient to operate. The lock tongue 30 is slidably connected with the lock head 40, the elastic element 50 is arranged between the lock tongue 30 and the lock head 40, and the lock tongue 30 can be automatically aligned with the lock hole 110 by pushing the bicycle when the lock tongue 30 is misaligned with the lock hole 110, so that the locking error is effectively avoided. In addition, the specific structure of the electronic lock is hidden in the shell 10 and not exposed, so that a thief is difficult to remove or destroy the electronic lock, and the bicycle is effectively prevented from being stolen. In a word, the utility model discloses bicycle electronic lock intelligence is convenient and can effectively prevent burglary, is worth wideling popularize and apply.

It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. An electronic lock for a bicycle comprises a lock tongue and a motor for driving the lock tongue to move in a telescopic manner, and is characterized in that the lock tongue is movably inserted into a lock head, an elastic piece is arranged between the lock head and the lock tongue, the lock head is in transmission connection with the motor, and when the motor drives the lock head and drives the lock tongue to extend out, the lock tongue is inserted into a lock hole of the bicycle to realize locking; when the motor drives the lock head and drives the lock tongue to retract, the lock tongue exits from the lock hole to realize unlocking; when the lock tongue extends out and is not aligned with the lock hole, the lock head slides relative to the lock tongue and enables the elastic part to deform, and when the lock tongue rotates to be aligned with the lock hole, the elastic part restores to deform and drives the lock tongue to slide relative to the lock head and to be inserted into the lock hole to realize locking.

2. The bicycle electronic lock of claim 1, wherein the motor, the lock head, the lock tongue and the elastic member are disposed in a housing, and an opening is disposed at a side end of the housing for extending or retracting the lock tongue.

3. The bicycle electronic lock of claim 2, wherein the lock head includes a first end and a second end opposite to each other, the first end is in transmission connection with an output shaft of the motor to convert rotation of the motor into linear movement of the lock head, the second end is disposed toward the opening of the housing, an inner end of the lock tongue is inserted into the second end, and an outer end of the lock tongue extends out of the lock head.

4. The bicycle electronic lock of claim 3, wherein the motor is a gear motor, and the first end of the locking head is threadedly coupled to the output shaft of the motor.

5. The bicycle electronic lock of claim 4, wherein an inner wall surface of the locking head forms a first step, and an outer wall surface of the locking tongue forms a second step; the elastic piece is a spiral spring, is sleeved on the lock tongue and is clamped between the first step and the second step.

6. The bicycle electronic lock of claim 5, wherein a shaft sleeve is disposed between the lock tongue and the second end of the lock head, an outer end of the shaft sleeve covers an end surface of the second end of the lock head, and an inner end of the shaft sleeve abuts against the second step to limit sliding of the lock tongue relative to the lock head.

7. The bicycle electronic lock of claim 2, wherein the inner wall surface of the housing forms a third step, the outer wall surface of the lock head forms a rim, and the rim abuts against the third step to limit the movement of the lock head relative to the housing when the bicycle is locked.

8. The bicycle electronic lock of claim 2, wherein a seal is disposed between the housing and the locking head.

9. The bicycle electronic lock of claim 2, wherein a charging interface is provided on the housing.

10. The bicycle electronic lock according to any one of claims 1-9, wherein the bicycle electronic lock is mounted on and rotates with a wheel of a bicycle, and the direction of movement of the locking bolt is parallel to the axial direction of the wheel of the bicycle.