WO2021114302A1

WO2021114302A1 - Locking mechanism for electric bicycle

Info

Publication number: WO2021114302A1
Application number: PCT/CN2019/125408
Authority: WO
Inventors: 谭建新; 胡恒芳; 谭智恩
Original assignee: 苏州锂智车业科技有限公司
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-17
Also published as: CN111148687A; CN111148687B

Abstract

A locking mechanism for an electric bicycle, comprising a body (11), a power box (12), and a drive assembly (13). The drive assembly (13) is installed on the body (11); the body (11) comprises a carrying support (111); the power box (12) is detachably connected to the carrying support (111); the drive assembly (13) comprises a drive rod (131); the drive assembly (13) drives, by means of the drive rod (131), wheels on the body (11) to rotate; the drive assembly (13) also comprises a locking module (132); the locking module (132) comprises wedge blocks (1322), locking rods (1323), and springs (1324); one sides of the springs (1324) are connected to base surfaces, and the other sides are connected to the wedge blocks (1322); the locking rods (1323) are installed on the wedge blocks (1322); locking holes (1311) are provided in the side surfaces of the drive rod (131); the locking rods (1323) are connected to the locking holes (1311); a trapezoidal push block (1234) is installed on the power box (12); the trapezoidal push block (1234) is in contact with the slope surfaces of the wedge blocks (1322) and is placed on the carrying support (111) by means of the power box (12); and the trapezoidal push block (1234) pushes the wedge blocks (1322), so that the locking rods (1323) are disconnected from the locking holes (1311). The locking mechanism has a stable structure and is convenient to use.

Description

Locking mechanism for electric bicycle

Technical field

The invention belongs to the field of electric bicycles, and in particular relates to a locking mechanism for electric bicycles.

Background technique

In today's society, the sharing economy has become an important force in the social service industry. Various sharing economy models have emerged in various industries. Due to the current increase in the number of cars in the city, traffic pressure has become a huge problem in a city. Electric bicycles have become the preferred travel tool for short-distance travel because of their small size and convenient riding. In order to meet the needs of the public, electric bicycles also have a sharing mode;

In the existing sharing mode, in order to prevent the power supply of electric bicycles from being stolen by criminals, users need to remove the power supply after use. At this time, electric bicycles without power supply are parked outside, and speculators will treat them as general The use of bicycles reduces the number of frames required by users in the process of using electric bicycles. In order to avoid the problem of random use of frames, there is an urgent need for a locking mechanism for electric bicycles.

Summary of the invention

In order to overcome the shortcomings of the prior art, the present invention proposes a locking mechanism for electric bicycles. When the power box is connected to the body, the body can be used normally, avoiding random use of the body. The locking mechanism has a simple structure and is convenient for maintenance.

The present invention provides a locking mechanism for an electric bicycle, which includes a vehicle body, a power supply box, and a drive assembly. The drive assembly is installed on the vehicle body; the vehicle body includes a supporting bracket for receiving the power supply box , The power box is detachably connected to the supporting bracket;

The driving assembly includes a driving rod for transmission, and the driving rod enables the driving assembly to drive the wheels on the vehicle body to rotate;

The drive assembly also includes a locking module, the locking module includes a wedge block, a locking rod, and a spring. One side of the spring is connected to the base surface, the other side is connected to the wedge block, and the locking rod is installed on the On the wedge block, the wedge block is pushed to move by the resilient force of the spring;

A locking hole is opened on the side of the driving rod, and the wedge block is moved so that the locking rod is connected with the locking hole, thereby restricting the rotation of the driving rod;

A trapezoidal push block is installed on the power supply box, the trapezoidal push block is in contact with the slope surface of the wedge block, and the trapezoidal push block pushes the wedge block through the power box close to the bottom surface of the supporting bracket, So that the locking lever is disconnected from the locking hole.

Preferably, the locking module further includes a fixing plate, the fixing plate is installed on the fixing base surface, the fixing plate is provided with a sliding groove, and the wedge block is installed in the sliding groove so that the wedge block Moving in the direction of the sliding groove, the spring is installed on the fixing plate.

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

Preferably, a push block module is installed on the power box, the push block module includes a driver, and the trapezoidal push block is pushed by the driver, so that the trapezoidal push block pushes the wedge block.

Preferably, the power box includes a protective cover and a battery pack, the protective cover is installed outside the battery pack; the battery pack includes a connection block, a battery block, and a power interface;

The connecting block is used to connect the battery pack to form a whole; the power interface is used to electrically connect the driving component, so that the power box provides electric power for the driving component.

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

Preferably, the driver includes a motor, a screw rod, and a guide rail, the motor drives the screw rod to rotate, the screw rod is threadedly connected with the trapezoidal push block, and the guide rail restricts the movement trajectory of the trapezoidal push block, So that the trapezoidal push block moves linearly along the guide rail direction.

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, a sealing layer is provided on the side of the protective cover close to the power interface, and a sealing block matching the sealing layer is provided on the supporting bracket, and the sealing block is matched with the sealing block through the sealing layer Therefore, a closed space is formed inside, and the power interface is arranged in the closed space.

Preferably, 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 slidably connected with the sealing block to guide the moving direction of the power box.

Compared with the prior art, the present invention has the following beneficial effects:

The invention provides a locking mechanism for an electric bicycle, which includes a body, a power supply box, and a drive assembly. A trapezoidal push block is installed on the power box, and the trapezoidal push block pushes the wedge block to move, so that the locking rod is disconnected from the driving rod, so that The normal use of the electric bicycle is convenient for users who need it and avoids the random use of the body. The invention is convenient to use and has a simple structure.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it in accordance with the content of the description, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and the accompanying drawings.

Description of the drawings

The drawings described here are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

FIG. 1 is a schematic diagram of a three-dimensional structure of an electric bicycle in an embodiment of the present invention;

Figure 2 is an exploded schematic diagram of an electric bicycle in an embodiment of the present invention;

3 is a schematic diagram of a three-dimensional structure of a power box in an embodiment of the present invention;

4 is a schematic diagram of a three-dimensional structure of a battery pack in an embodiment of the present invention;

Figure 5 is a partial schematic diagram of a locking structure in an embodiment of the present invention;

6 is a partial enlarged schematic view 1 of the locking structure in an embodiment of the present invention;

FIG. 7 is a partial enlarged schematic diagram 2 of the locking structure in an embodiment of the present invention;

Figure 8 is a cross-sectional view of the locking structure in an embodiment of the present invention;

FIG. 9 is a flowchart of a sharing method in an embodiment of the present invention.

As shown in the figure:

11. Body; 111, supporting bracket; 112, display module; 12, power box; 121, protective cover; 122, battery pack; 1221, connection block; 1222, battery block; 1223, handle; 1224, power interface; 123 , Push block module; 1231, motor; 1232, screw rod; 1233, guide rail; 1234, trapezoidal push block; 13, drive assembly; 131, drive rod; 1311, lock hole; 132, lock module; 1321, fixed plate; 13211. Sliding groove; 1322. Wedge block; 1323. Locking rod; 1324. Spring.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings. The foregoing and other objectives, features, aspects and advantages of the present invention will become more apparent, so that those skilled in the art can implement them with reference to the text of the description. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used in all the drawings to indicate the same or similar parts. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, and lower parts are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the size from top to bottom, "width" corresponds to the size from left to right, and "depth" corresponds to the size from front to back. These relative terms are for convenience of description and are generally not intended to require a specific orientation. Terms related to attachment, coupling, etc. (for example, "connection" and "attachment") refer to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.

In the following, the present invention will be further described with reference to the drawings and specific implementations. It should be noted that, provided that there is no conflict, the following embodiments or technical features can be combined to form new embodiments. .

As shown in Figures 1 and 2, a locking mechanism for an electric bicycle includes a body 11, a power box 12, and a drive assembly 13. The drive assembly 13 is installed on the body 11; the body 11 includes a power box 12 The supporting bracket 111, the power box 12 and the supporting bracket 111 are detachably connected;

In a specific preferred embodiment, the vehicle body 11 includes a connecting column, which is clamped with the power box 12 through the connecting column to restrict the movement of the power box 12, so that the power box 12 is fixed on the supporting bracket 111 and travels on bumpy roads. At this time, avoid the jump of the power box 12, which may cause the electric bicycle to not be used normally.

As shown in Figures 5-8, the drive assembly 13 includes a drive rod 131 for transmission. The drive assembly 13 drives the wheels on the vehicle body 11 to rotate through the drive rod 131; the drive assembly 13 also includes a drive motor and a controller; The handlebar position of the body 11 is also provided with a display module 112 and a turning handle. The driving assembly 13, the power box 12, the turning handle operating part and the display module 112 constitute a mechatronics vehicle; the drive motor drives the drive The rod 131 rotates, and the wheel components on the vehicle body 11 are driven to rotate through the driving rod 131, so as to realize the automatic rotation of the wheels;

The drive assembly 13 also includes a locking module 132. The locking module 132 includes a wedge block 1322, a locking rod 1323, and a spring 1324. One side of the spring 1324 is connected to the base surface, and the other side is connected to the wedge block 1322. The locking rod 1323 is mounted on the wedge. On the block 1322, the wedge block 1322 is pushed to move by the resilient force of the spring 1324, and the direction of the elastic force of the spring 1324 faces the driving rod 131;

The side of the driving rod 131 is provided with a locking hole 1311, and the wedge block 1322 is moved to connect the locking rod 1323 with the locking hole 1311, thereby restricting the rotation of the driving rod 131, thereby blocking the transmission of the driving rod 131, thereby restricting the electric bicycle The rotation of the wheels of the electric bicycle locks the electric bicycle;

At the same time, a trapezoidal push block 1234 is installed on the power box 12. The trapezoidal push block 1234 is in contact with the slope of the wedge block 1322. The trapezoidal push block 1234 pushes the wedge block 1322 by the power box 12 close to the bottom surface of the support bracket 111, so that the lock lever 1323 is pushed. Disconnected from the locking hole 1311; the trapezoidal push block 1234 moves with the power box 12 toward the driving rod 131, the slope of the trapezoidal push block 1234 contacts the slope of the wedge block 1322, and when the trapezoidal push block 1234 faces the driving rod 131, the wedge shape The block 1322 is pushed by the trapezoidal push block 1234, so that the trapezoidal push block 1234 moves away from the driving rod 131, and the locking rod 1323 is disconnected from the locking hole 1311; and when the power box 12 is taken out, the wedge block 1322 has a slope surface The pushing force of is removed, and the wedge block 1322 is pushed to move toward the driving rod 131 under the resilient force of the spring 1324, so that the locking rod 1323 is connected to the locking hole 1311 again.

The wedge block 1322 is moved to unlock by the trapezoidal push block 1234, which ensures that the electric bicycle can be used normally when the power box 12 is matched with the body 11, and prevents the body from being used as an ordinary bicycle by speculators, thus affecting the need for use. The normal needs of electric bicycle users.

The locking module 132 also includes a fixing plate 1321. The fixing plate 1321 is installed on the fixed base surface. The fixing plate 1321 is provided with a sliding groove 13211. The wedge block 1322 is installed in the sliding groove 13211, so that the wedge block 1322 moves along the direction of the sliding groove 13211. The spring 1324 is installed on the fixed plate 1321 to limit the sliding direction of the wedge block 1322. In the process of limiting the rotation of the driving rod 131, the contact surface between the wedge block 1322 and the sliding groove 13211 is the main bearing surface that restricts the rotation of the driving rod 131.

There are two locking modules 132. The locking modules 132 are installed on both sides of the driving rod 131. The locking rod 1323 on one side is connected to the locking hole 1311, and the locking rod 1323 on the other side is in contact with the side of the driving rod 131. All of the locking rods 1323 can be connected to the locking hole 1311, making the locking rod 1323 more convenient to connect with the locking hole 1311. At the same time, the driving rod 131 is locked by the locking rods 1323 on both sides, reducing the probability of using the locking rod 1323 on one side, thereby improving The service life of the locking module 132.

As shown in Figures 3 and 4, the power box 12 includes a protective cover 121 and a battery pack 122. The protective cover 121 is installed outside the battery pack 122; the battery pack 122 includes a connecting block 1221, a battery block 1222, and a power interface 1224;

The connecting block 1221 is used to connect the battery pack 122 to form a whole; the power interface 1224 is used to electrically connect the drive assembly 13 so that the power box 12 provides power to the drive assembly 13.

The battery pack 122 also includes a handle 1223. The handle 1223 is mounted on the connecting block 1221 to facilitate the user to lift and place.

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

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

The drive includes 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 threadedly connected with the trapezoidal push block 1234. The guide rail 1233 restricts the movement trajectory of the trapezoidal push block 1234 so that the trapezoidal push block 1234 follows the guide rail 1233. It moves linearly in the direction, and the trapezoidal push block 1234 is driven by the screw rod 1232 to perform linear motion, and the transmission is stable through the screw rod 1232, which ensures that the trapezoidal push block 1234 is in stable contact with the wedge block 1322.

As shown in Figures 2 and 3, the side of the protective cover 121 close to the power interface 1224 is provided with a sealing layer, and the supporting bracket 111 is provided with a sealing block matching the sealing layer. In a confined space, the power interface 1224 is arranged in the confined space to prevent raindrops from falling on the power interface 1224 and short circuit the electric bicycle.

In a preferred embodiment, 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 slidably connected with the sealing block to guide the moving direction of the power box 12. When the power box 12 is placed in In the process of supporting the support 111, the sealing layer is matched with the sealing block, so that the power box 12 is accurately placed in the fixed position of the supporting support 111, which is convenient for the user to quickly install.

An electric bicycle sharing method using the above locking mechanism includes the following steps:

The S1 user scans the QR code on the power box 12 to identify the power box 12, and sends a use request signal to the server through the user terminal. After the server receives the signal, the server sends a start signal to the specific power box 12;

After receiving the start signal, the specific power box 12 of S2 controls the operation of the motor 1231 to push out the trapezoidal push block 1234;

The user of S3 installs the power box 12 to the position of the supporting bracket 111 of the vehicle body 11, and the trapezoidal push block 1234 pushes the wedge block 1322, so that the locking rod 1323 is disconnected from the driving rod 131, so that the electric vehicle can be used normally;

When the user of S4 stops using it, the user terminal sends a termination request signal to the server. After the server receives the signal, the server sends a stop signal to the specific power box 12;

After receiving the stop signal, the specific power box 12 of S5 controls the motor 1231 to rotate to retract the trapezoidal push block 1234, and 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. Restrict the rotation of wheels on electric vehicles;

In S6, the user takes the power box 12 out of the car body 11, thereby ending the use process.

The specific power box 12 is identified through the user terminal, so that the trapezoidal push block 1234 protrudes from the power box 12 under the drive of the motor 1231, and the trapezoidal push block 1234 protruding from the power box 12 contacts the wedge block 1322, so that the locking rod 1323 and the driving rod 131 is connected to unlock the electric bicycle, so that the user can use the electric bicycle normally after the user installs the specific power box 12 on the body 11. The electric bicycle can be used in combination with the electric bicycle unlocking quickly and conveniently, which simplifies the use process while ensuring The normal use by the user prevents the body 11 from being used as a bicycle alone, which is convenient for the manager to keep.

The electric bicycle sharing method also includes a charging station for charging the power box 12. By replacing the power box 12 at the charging station, the power box 12 with sufficient power is replaced by the power box 12 with insufficient power in the charging station, and the power box 12 is replaced quickly. It saves users' time and is convenient for users to use.

The invention provides a locking mechanism for an electric bicycle, which includes a body, a power supply box, and a drive assembly. A trapezoidal push block is installed on the power box. The trapezoidal push block pushes the wedge block to move, so that the locking rod is disconnected from the driving rod, thereby making the electric The normal use of the bicycle is convenient for users who need it, and avoids random use of the body; by setting the locking module on both sides of the driving rod, the locking rod on one side is connected with the locking hole, which facilitates the connection between the locking rod and the locking hole, and reduces the locking on each side. The use probability of the rod, thereby increasing the service life of the locking module; an electric bicycle sharing method, through the user terminal to identify a specific power box to unlock the electric bicycle, so that the electric bicycle guarantees the normal use of the electric bicycle, which is convenient for the user and the administrator It is convenient to keep the electric bicycle; by setting a charging station, the battery box with sufficient power is replaced in the charging station, and the replacement can be carried out quickly, which saves the user's time. The invention is convenient to use and has a simple structure.

The above are only the preferred embodiments of the present invention, and do not limit the present invention in any form; any person of ordinary skill in the industry can smoothly implement the present invention as shown in the drawings and above in the specification; however, wherever Those who are familiar with the profession make use of the technical content disclosed above to make minor changes, modifications, and equivalent changes without departing from the scope of the technical solution of the present invention, all of which are equivalent embodiments of the present invention; at the same time, Any changes, modifications, and evolutions of any equivalent changes made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

A locking mechanism for an electric bicycle, comprising a body (11), a power box (12), and a drive assembly (13), characterized in that: the drive assembly (13) is installed on the body (11); The vehicle body (11) includes a supporting bracket (111) for supporting the power box (12), and the power box (12) is detachably connected to the supporting bracket (111);

The drive assembly (13) includes a drive rod (131) for transmission, through the drive rod (131), the drive assembly (13) drives the wheels on the vehicle body (11) to rotate;

The drive assembly (13) also includes a locking module (132), the locking module (132) includes a wedge block (1322), a locking rod (1323), a spring (1324), and one side of the spring (1324) is connected On the base surface, the other side is connected to the wedge block (1322), the locking rod (1323) is installed on the wedge block (1322), and the spring (1324) pushes the The wedge block (1322) moves;

A locking hole (1311) is opened on the side of the driving rod (131), and the wedge block (1322) is moved so that the locking rod (1323) is connected to the locking hole (1311), thereby restricting the The driving rod (131) rotates;

A trapezoidal push block (1234) is installed on the power box (12), and the trapezoidal push block (1234) is in contact with the slope surface of the wedge block (1322), and is close to the bearing through the power box (12). Place the bottom surface of the bracket (111), the trapezoidal push block (1234) pushes the wedge block (1322), so that the locking rod (1323) is disconnected from the locking hole (1311).
The locking mechanism for electric bicycles according to claim 1, characterized in that: the locking module (132) further comprises a fixing plate (1321), and the fixing plate (1321) is installed on a fixed base surface, The fixing plate (1321) is provided with a sliding groove (13211), and the wedge block (1322) is installed in the sliding groove (13211) so that the wedge block (1322) runs along the sliding groove (13211) Moving in the direction, the spring (1324) is installed on the fixing plate (1321).
The locking mechanism for an electric bicycle according to claim 2, characterized in that: the number of the locking module (132) is two, and the locking module (132) is installed on the driving rod (131) On both sides of the device, 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).
The locking mechanism for electric bicycles according to claim 1, characterized in that: a push block module (123) is installed on the power box (12), and the push block module (123) includes a driver , The trapezoidal push block (1234) is pushed by the driver, so that the trapezoidal push block (1234) pushes the wedge block (1322).
The locking mechanism for electric bicycles according to claim 1, characterized in that: the power box (12) includes a protective cover (121) and a battery pack (122), and the protective cover (121) is mounted on The outer side of the battery pack (122); the battery pack (122) includes a connecting block (1221), a battery block (1222), and a power interface (1224);

The connecting block (1221) is used to connect the battery pack (122) to form a whole; the power interface (1224) is used to electrically connect the drive assembly (13), so that the power box (12) is The drive assembly (13) provides electrical energy.
The locking mechanism for electric bicycles according to claim 5, characterized in that: the battery pack (122) further comprises a handle (1223), and the handle (1223) is mounted on the connecting block (1221). )on.
The locking mechanism for electric bicycles according to claim 4, characterized in that: the driver includes a motor (1231), a screw rod (1232), a guide rail (1233), and the motor (1231) drives the The screw rod (1232) rotates, the screw rod (1232) is threadedly connected with the trapezoidal push block (1234), and the guide rail (1233) restricts the movement trajectory of the trapezoidal push block (1234), so that the trapezoidal push block (1234) is The block (1234) moves linearly along the direction of the guide rail (1233).
The locking mechanism for electric bicycles according to claim 5, characterized in that: 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 for the drive The component (13) provides electrical energy.
The locking mechanism for electric bicycles according to claim 5, characterized in that: the protective cover (121) is provided with a sealing layer on the side close to the power interface (1224), and the supporting bracket ( 111) is provided with a sealing block matching the sealing layer, and the sealing layer is matched with the sealing block to form a closed space inside, and the power interface (1224) is arranged in the closed space.
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 The layer is slidably connected with the sealing block to guide the moving direction of the power box (12).