CN111148687A

CN111148687A - Locking mechanism for electric bicycle

Info

Publication number: CN111148687A
Application number: CN201980003032.8A
Authority: CN
Inventors: 谭建新; 胡恒芳; 谭智恩
Original assignee: Suzhou Lizhi Vehicle Industry Technology Co ltd
Current assignee: Suzhou Lizhi Vehicle Industry Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-05-12
Anticipated expiration: 2039-12-13
Also published as: CN111148687B; WO2021114302A1

Abstract

The invention provides a locking mechanism for an electric bicycle, which comprises a bicycle body, a power box and a driving assembly, wherein the driving assembly is arranged on the bicycle body; the vehicle body comprises a bearing support, and the power box is detachably connected with the bearing support; the driving assembly comprises a driving rod, and the driving assembly drives wheels on the vehicle body to rotate through the driving rod; the driving assembly further comprises a locking module, the locking module comprises a wedge-shaped block, a locking rod and a spring, one side of the spring is connected to the base surface, the other side of the spring is connected with the wedge-shaped block, the locking rod is installed on the wedge-shaped block, a locking hole is formed in the side surface of the driving rod, and the locking rod is connected with the locking hole; install trapezoidal ejector pad on the power supply box, trapezoidal ejector pad and the slope face contact of wedge are placed on holding through the power supply box and are put the support, and trapezoidal ejector pad promotes the wedge for the locking lever with the locking hole is broken away from the connection, and this locking mechanical system stable in structure, convenient to use.

Description

Locking mechanism for electric bicycle

Technical Field

The invention belongs to the field of electric bicycles, and particularly relates to a locking mechanism for an electric bicycle.

Background

The sharing economy in the current society becomes an important force in the social service industry, various sharing economy modes emerge in various industries, the traffic pressure becomes a huge problem in a city due to the fact that the quantity of automobile reserves in the city is continuously increased at present, an electric bicycle becomes a preferred travel tool for short-distance travel due to small volume and convenient riding, and the electric bicycle also has the sharing mode for meeting the requirements of the public;

in the existing sharing mode, in order to prevent the power supply of the electric bicycle from being stolen by lawbreakers, a user needs to take out the power supply after the use is finished, and the electric bicycle without the power supply is parked outside at the moment, so that a speculator can use the electric bicycle as a general bicycle, the number of frames of the user in the process of using the electric bicycle is reduced, and a locking mechanism for the electric bicycle is urgently needed to avoid the problem of random use of the frames.

Disclosure of Invention

In order to overcome the defects of the prior art, the locking mechanism for the electric bicycle provided by the invention has the advantages that when the power box is connected with the bicycle body, the bicycle body can be normally used, the random use of the bicycle body is avoided, the structure of the locking mechanism is simple, and the maintenance is convenient.

The invention provides a locking mechanism for an electric bicycle, which comprises a bicycle body, a power box and a driving assembly, wherein the driving assembly is arranged on the bicycle body; the vehicle body comprises a bearing support for bearing the power box, and the power box is detachably connected with the bearing support;

the driving assembly comprises a driving rod for transmission, and the driving assembly drives wheels on the vehicle body to rotate through the driving rod;

the driving assembly further comprises a locking module, the locking module comprises a wedge-shaped block, a locking rod and a spring, one side of the spring is connected to the base surface, the other side of the spring is connected with the wedge-shaped block, the locking rod is installed on the wedge-shaped block, and the wedge-shaped block is pushed to move through the resilience acting force of the spring;

a locking hole is formed in the side face of the driving rod, and the locking rod is connected with the locking hole through the movement of the wedge-shaped block, so that the driving rod is limited to rotate;

the power box is provided with a trapezoidal push block, the trapezoidal push block is in contact with the slope surface of the wedge block, the power box is close to the bottom surface of the bearing support, and the trapezoidal push block pushes the wedge block, so that the locking rod is disconnected from the locking hole.

Preferably, the locking module further includes a fixing plate, the fixing plate is mounted on a fixing base surface, a sliding groove is formed in the fixing plate, the wedge block is mounted in the sliding groove, so that the wedge block moves along the sliding groove, and the spring is mounted on the fixing plate.

Preferably, the number of the locking modules is two, the locking modules are installed at two sides of the driving rod, the locking rod at one side is connected with the locking hole, and the locking rod at the other side is in contact with the side surface of the driving rod.

Preferably, install the ejector pad module on the power supply box, the ejector pad module includes the driver, through the driver promotes trapezoidal ejector pad, thereby makes trapezoidal ejector pad promotes the wedge.

Preferably, the power supply box comprises a protective cover and a battery pack, and the protective cover is arranged on the outer side of the battery pack; the battery pack comprises a connecting block, a battery block and a power interface;

the connecting block is used for connecting the battery packs to form a whole; the power interface is used for electrically connecting the driving assembly, so that the power box provides electric energy for the driving assembly.

Preferably, the battery pack further comprises a handle, and the handle is mounted on the connecting block.

Preferably, the driver comprises a motor, a screw rod and a guide rail, the motor drives the screw rod to rotate, the screw rod is in threaded connection with the trapezoidal push block, and the guide rail limits the motion track of the trapezoidal push block, so that the trapezoidal push block linearly moves along the direction of the guide rail.

Preferably, the number of the battery blocks is at least two, and the battery blocks are connected in parallel to form a battery matrix so as to provide electric energy for the driving assembly.

Preferably, one side that the safety cover is close to power source, is provided with the sealing layer, hold put be provided with on the support with sealing layer assorted sealing piece, thereby pass through the sealing layer with it is inside to form a confined space that sealed piece matches, power source sets up in confined space.

Preferably, the sealing layer is U-shaped, and the lateral wall of sealing piece with the inner wall of sealing layer contacts, through the sealing layer with sealing piece sliding connection, the direction of movement of direction power supply box.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a locking mechanism for an electric bicycle, which comprises a bicycle body, a power box and a driving assembly, wherein a trapezoidal push block is arranged on the power box, and pushes a wedge block to move, so that a locking rod is disconnected with a driving rod, and the electric bicycle is normally used, is convenient for a user to use and avoids random use of the bicycle body.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

fig. 1 is a schematic perspective view of an electric bicycle according to an embodiment of the present invention;

FIG. 2 is an exploded view of an electric bicycle according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a power box according to an embodiment of the invention;

fig. 4 is a schematic perspective view illustrating a battery pack according to an embodiment of the present invention;

FIG. 5 is a partial schematic view of a locking structure in one embodiment of the invention;

FIG. 6 is a partial enlarged view of a first embodiment of a locking mechanism of the present invention;

FIG. 7 is a second enlarged partial view of the locking structure according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a locking structure of the present invention in one embodiment;

FIG. 9 is a flowchart illustrating a sharing method according to an embodiment of the invention.

Shown in the figure:

11. a vehicle body; 111. placing a bracket; 112. a display module; 12. a power supply box; 121. a protective cover; 122. a battery pack; 1221. connecting blocks; 1222. a battery block; 1223. a handle; 1224. a power interface; 123. a push block module; 1231. a motor; 1232. a screw rod; 1233. a guide rail; 1234. a trapezoidal push block; 13. a drive assembly; 131. a drive rod; 1311. a locking hole; 132. a locking module; 1321. a fixing plate; 13211. a chute; 1322. a wedge block; 1323. a locking lever; 1324. a spring.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1 and 2, a locking mechanism for an electric bicycle comprises a bicycle body 11, a power supply box 12 and a driving assembly 13, wherein the driving assembly 13 is mounted on the bicycle body 11; the vehicle body 11 comprises a bearing support 111 for bearing the power box 12, and the power box 12 is detachably connected with the bearing support 111;

in a specific preferred embodiment, the body 11 includes a connection post, which is connected to the power box 12 in a snap-fit manner to limit the movement of the power box 12, so that the power box 12 is fixed on the support 111, and the power box 12 is prevented from jumping to prevent the electric bicycle from being used normally when the electric bicycle runs on a bumpy road.

As shown in fig. 5-8, the driving assembly 13 includes a driving rod 131 for transmission, and the driving assembly 13 drives the wheels on the vehicle body 11 to rotate through the driving rod 131; the driving assembly 13 further comprises a driving motor and a controller; a display module 112 and a rotating handle brake lever are further arranged at the position of a handle bar of the vehicle body 11, and a mechatronic vehicle is formed by the driving assembly 13, the power box 12, an operating part of the rotating handle brake lever and the display module 112; the driving motor drives the driving rod 131 to rotate, and the driving rod 131 drives the wheel part on the vehicle body 11 to rotate, so that the automatic rotation of the wheel is realized;

the driving assembly 13 further includes a locking module 132, the locking module 132 includes a wedge 1322, a locking lever 1323, and a spring 1324, one side of the spring 1324 is connected to the base surface, the other side is connected to the wedge 1322, the locking lever 1323 is installed on the wedge 1322, the wedge 1322 is pushed to move by the resilience of the spring 1324, and the direction of the resilient force of the spring 1324 is toward the driving rod 131;

a locking hole 1311 is formed in a side surface of the driving rod 131, and the locking rod 1323 is connected to the locking hole 1311 by moving the wedge 1322, so that the driving rod 131 is restricted from rotating, transmission of the driving rod 131 is blocked, rotation of a wheel of the electric bicycle is restricted, and the electric bicycle is locked;

meanwhile, the power supply box 12 is provided with a trapezoidal push block 1234, the trapezoidal push block 1234 is in contact with the slope surface of the wedge block 1322, and the power supply box 12 approaches the bottom surface of the bearing support 111, so that the wedge block 1322 is pushed by the trapezoidal push block 1234, and the locking rod 1323 is disconnected from the locking hole 1311; the trapezoid push block 1234 moves towards the driving rod 131 along with the power supply box 12, the inclined surface of the trapezoid push block 1234 is in contact with the inclined surface of the wedge 1322, when the trapezoid push block 1234 faces the driving rod 131, the wedge 1322 is pushed by the trapezoid push block 1234, so that the trapezoid push block 1234 moves towards the direction far away from the driving rod 131, and the locking rod 1323 is disconnected from the locking hole 1311; when the power supply box 12 is removed, the pushing force on the slope surface of the wedge 1322 is removed, and the wedge 1322 is pushed toward the driving rod 131 by the resilient force of the spring 1324, so that the locking rod 1323 is connected to the locking hole 1311 again.

The trapezoidal push block 1234 pushes the wedge block 1322 to move to achieve unlocking, so that when the power supply box 12 is matched with the bicycle body 11, the electric bicycle can be normally used, and the phenomenon that the bicycle body is used as a common bicycle by a speculative worker at will is avoided, so that the normal requirement of a user needing to use the electric bicycle is influenced.

The locking module 132 further includes a fixing plate 1321, the fixing plate 1321 is mounted on a fixing base surface, a sliding slot 13211 is formed in the fixing plate 1321, the wedge 1322 is mounted in the sliding slot 13211, so that the wedge 1322 moves along the direction of the sliding slot 13211, the spring 1324 is mounted on the fixing plate 1321, the sliding direction of the wedge 1322 is limited, and meanwhile, in the process of limiting the rotation of the driving rod 131, the contact surface between the wedge 1322 and the sliding slot 13211 is a main bearing surface for limiting the rotation of the driving rod 131.

The number of the locking modules 132 is two, the locking modules 132 are installed on two sides of the driving rod 131, the locking rods 1323 on one side are connected with the locking holes 1311, the locking rods 1323 on the other side are in contact with the side faces of the driving rod 131, and the locking rods 1323 on two sides can be connected with the locking holes 1311, so that the locking rods 1323 are more conveniently connected with the locking holes 1311, meanwhile, the driving rod 131 is locked through the locking rods 1323 on two sides, the use probability of the locking rods 1323 on one side is reduced, and the service life of the locking modules 132 is prolonged.

As shown in fig. 3 and 4, the power supply box 12 includes a protective cover 121 and a battery pack 122, wherein the protective cover 121 is mounted outside the battery pack 122; the battery pack 122 comprises a connecting block 1221, a battery block 1222 and a power interface 1224;

the connection block 1221 is used for connecting the battery packs 122 to form a whole; the power interface 1224 is configured to electrically connect the driving assembly 13 such that the power box 12 provides power to the driving assembly 13.

The battery pack 122 further comprises a handle 1223, and the handle 1223 is mounted on the connecting block 1221, so that the user can conveniently lift and place the battery pack.

The number of the battery blocks 1222 is at least two, and the battery blocks 1222 are connected in parallel to form a battery matrix so as to provide power for the driving assembly 13, thereby increasing the power of the battery pack 122.

In a preferred embodiment, the power box 12 is mounted with a push block module 123, and the push block module 123 includes a driver, and the trapezoidal push block 1234 is pushed by the driver, so that the trapezoidal push block 1234 pushes the wedge 1322.

The driver includes motor 1231, lead screw 1232, guide rail 1233, and motor 1231 drive lead screw 1232 rotates, lead screw 1232 and trapezoidal ejector pad 1234 threaded connection, and guide rail 1233 restricts the movement track of trapezoidal ejector pad 1234 for trapezoidal ejector pad 1234 is along guide rail 1233 direction rectilinear movement, is rectilinear movement through lead screw 1232 drive trapezoidal ejector pad 1234, and it is stable through the transmission of lead screw 1232, has guaranteed that trapezoidal ejector pad 1234 is stable to contact with wedge 1322.

As shown in fig. 2 and 3, a sealing layer is arranged on one side of the protection cover 121 close to the power interface 1224, a sealing block matched with the sealing layer is arranged on the supporting bracket 111, a sealed space is formed inside the sealing block by matching the sealing layer with the sealing block, and the power interface 1224 is arranged in the sealed space to prevent rainwater from dropping on the power interface 1224 to cause a short circuit of the electric bicycle.

In a preferred embodiment, the sealing layer is U-shaped, the side wall of the sealing block contacts with the inner wall of the sealing layer, the sealing layer is slidably connected with the sealing block, the moving direction of the power box 12 is guided, and when the power box 12 is placed in the supporting and placing support 111, the sealing layer is matched with the sealing block, so that the power box 12 is accurately placed at the fixed position of the supporting and placing support 111, and the rapid installation by a user is facilitated.

An electric bicycle sharing method using the above locking mechanism includes the steps of,

s1, the user scans the two-dimensional code on the power box 12 to identify the power box 12, sends a use request signal to the server through the user terminal, and after the server receives the signal, the server sends a starting signal to the specific power box 12;

s2, after receiving the start signal, the specific power box 12 controls the motor 1231 to work to push the trapezoidal push block 1234 out;

s3 the user mounts the power box 12 to the position of the support bracket 111 of the vehicle body 11, the trapezoidal push block 1234 pushes the wedge 1322 to disconnect the locking lever 1323 from the driving lever 131, so that the electric vehicle is normally used;

s4 when the user stops using, the user terminal sends out the stop request signal to the server, after the server receives the signal, the server sends out the stop signal to the specific power box 12;

s5, after the specific power box 12 receives the stop signal, the motor 1231 is controlled to rotate in the direction to retract the trapezoidal push block 1234, the spring 1324 pushes the wedge block 1322 to move, so that the locking rod 1323 is connected with the driving rod 131, and the driving rod 131 on the electric vehicle is locked to limit the rotation of the wheels on the electric vehicle;

s6 the user takes out the power supply box 12 and thus the vehicle body 11, and ends the use.

Through specific power supply box 12 of user terminal discernment, make trapezoidal ejector pad 1234 protrusion in power supply box 12 under the drive of motor 1231, protrusion in power supply box 12 trapezoidal ejector pad 1234 and wedge 1322 contact, make locking lever 1323 be connected with actuating lever 131, thereby unblock electric bicycle, make the user install specific power supply box 12 to automobile body 11 back, electric bicycle just can normal use, quick convenient use with electric bicycle and electric bicycle unblock combined use, the use flow is simplified, user's normal use has been guaranteed simultaneously, avoided automobile body 11 to be singly used as the bicycle at will, conveniently take care of manager.

The electric bicycle sharing method further comprises a charging station for charging the power box 12, the power box 12 is replaced at the charging station, the power box 12 with sufficient electric quantity is replaced in the charging station through the power box 12 with insufficient electric quantity, the replacement is carried out quickly, the time of a user is saved, and the use by the user is facilitated.

The invention provides a locking mechanism for an electric bicycle, which comprises a bicycle body, a power box and a driving assembly, wherein a trapezoidal push block is arranged on the power box and pushes a wedge block to move, so that a locking rod is disconnected with a driving rod, the electric bicycle is normally used, a user can conveniently use the electric bicycle, and the random use of the bicycle body is avoided; the locking modules are arranged on the two sides of the driving rod, the locking rod on one side is connected with the locking hole, the locking rod is conveniently connected with the locking hole, and the use probability of the locking rod on each side is reduced, so that the service life of the locking modules is prolonged; a sharing method of electric bicycles is characterized in that a specific power box is identified through a user terminal to unlock the electric bicycle, so that the electric bicycle can be used normally, and the electric bicycle is convenient for a user and a manager to store the electric bicycle; by arranging the charging station, the battery box with sufficient electric quantity is replaced in the charging station, the replacement is carried out quickly, and the time of a user is saved.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A locking mechanism for an electric bicycle, comprising a body (11), a power supply box (12), a drive assembly (13), characterized in that: the drive assembly (13) is mounted on the vehicle body (11); the vehicle body (11) comprises a bearing support (111) for bearing the power box (12), and the power box (12) is detachably connected with the bearing support (111);

the driving assembly (13) comprises a driving rod (131) for transmission, and the driving assembly (13) drives wheels on the vehicle body (11) to rotate through the driving rod (131);

the driving assembly (13) further comprises a locking module (132), the locking module (132) comprises a wedge block (1322), a locking rod (1323) and a spring (1324), one side of the spring (1324) is connected to the base surface, the other side of the spring is connected to the wedge block (1322), the locking rod (1323) is installed on the wedge block (1322), and the wedge block (1322) is pushed to move by the resilience force of the spring (1324);

a locking hole (1311) is formed in the side surface of the driving rod (131), and the locking rod (1323) is connected with the locking hole (1311) through the movement of the wedge block (1322) so as to limit the rotation of the driving rod (131);

install trapezoidal ejector pad (1234) on power supply box (12), trapezoidal ejector pad (1234) with the slope face contact of wedge (1322), through power supply box (12) are close to hold and put support (111) bottom surface, trapezoidal ejector pad (1234) promotes wedge (1322), make locking lever (1323) with locking hole (1311) break away from the connection.

2. A locking mechanism for an electric bicycle according to claim 1, wherein: the locking module (132) further comprises a fixing plate (1321), the fixing plate (1321) is mounted on a fixing base surface, a sliding groove (13211) is formed in the fixing plate (1321), the wedge block (1322) is mounted in the sliding groove (13211) so that the wedge block (1322) moves along the direction of the sliding groove (13211), and the spring (1324) is mounted on the fixing plate (1321).

3. A locking mechanism for an electric bicycle according to claim 2, wherein: the number of the locking modules (132) is two, the locking modules (132) are installed on two sides of the driving rod (131), the locking rod (1323) on one side is connected with the locking hole (1311), and the locking rod (1323) on the other side is in contact with the side surface of the driving rod (131).

4. A locking mechanism for an electric bicycle according to claim 1, wherein: install ejector pad module (123) on power supply box (12), ejector pad module (123) include the driver, through the driver promotes trapezoidal ejector pad (1234), thereby make trapezoidal ejector pad (1234) promote wedge (1322).

5. A locking mechanism for an electric bicycle according to claim 1, wherein: the power box (12) comprises a protective cover (121) and a battery pack (122), wherein the protective cover (121) is arranged on the outer side of the battery pack (122); the battery pack (122) comprises a connecting block (1221), a battery block (1222) and a power interface (1224);

the connecting block (1221) is used for connecting the battery packs (122) into a whole; the power interface (1224) is used for electrically connecting the driving assembly (13) so that the power box (12) provides electric energy for the driving assembly (13).

6. A locking mechanism for an electric bicycle according to claim 5, wherein: the battery pack (122) further comprises a handle (1223), and the handle (1223) is mounted on the connecting block (1221).

7. A locking mechanism for an electric bicycle according to claim 4, wherein: the driver comprises a motor (1231), a screw rod (1232) and a guide rail (1233), the motor (1231) drives the screw rod (1232) to rotate, the screw rod (1232) is in threaded connection with the trapezoidal push block (1234), and the guide rail (1233) limits the motion track of the trapezoidal push block (1234), so that the trapezoidal push block (1234) linearly moves along the direction of the guide rail (1233).

8. A locking mechanism for an electric bicycle according to claim 5, wherein: the number of the battery blocks (1222) is at least two, and the battery blocks (1222) are connected in parallel to form a battery matrix so as to provide electric energy for the driving assembly (13).

9. A locking mechanism for an electric bicycle according to claim 5, wherein: one side of the protective cover (121) close to the power interface (1224) is provided with a sealing layer, a sealing block matched with the sealing layer is arranged on the bearing support (111), a sealed space is formed inside the sealing block through matching of the sealing layer and the sealing block, and the power interface (1224) is arranged in the sealed space.

10. A locking mechanism for an electric bicycle according to claim 9, wherein: the sealing layer is U-shaped, the side wall of the sealing block is in contact with the inner wall of the sealing layer, and the sealing layer is in sliding connection with the sealing block to guide the moving direction of the power box (12).