CN108909885B

CN108909885B - Electronic lock with foot support

Info

Publication number: CN108909885B
Application number: CN201810811180.XA
Authority: CN
Inventors: 林伟芬; 颜军
Original assignee: Hunan Institute of Technology
Current assignee: Hunan Institute of Technology
Priority date: 2018-07-23
Filing date: 2018-07-23
Publication date: 2020-03-17
Anticipated expiration: 2038-07-23
Also published as: CN108909885A

Abstract

A foot support electronic lock comprises a foot support, a brake cable, a disc brake, a lock disc, a guide cylinder, a lock plunger, a spring, a lock block, a rack, a gear, a motor and a control chip; the lock disc is provided with a No. 1 wire passing ring, the edge of the lock disc is provided with a lock bolt groove, and the side wall of the guide cylinder is provided with a through hole; one end of a brake cable and the other end of the brake cable penetrate through the No. 1 wire passing ring and then are connected with a disc brake, a lock disc is installed on a rotation shaft of a foot support, a guide cylinder is arranged above the lock disc in an inverted mode, a spring is arranged in the guide cylinder, a lock bolt is inserted into the position of a cylinder opening of the guide cylinder, two ends of the spring are fixedly connected with the guide cylinder and the lock bolt respectively, a rack is arranged on one side of the guide cylinder, one end of a locking block is fixedly connected with the rack, the other end of the locking block is inserted into a through hole, a gear is meshed with the rack, an output shaft of a motor is connected. The invention has the functions of supporting and locking the electric vehicle, can effectively improve the stability of supporting the electric vehicle and can play a role in preventing theft.

Description

Electronic lock with foot support

Technical Field

The invention relates to the technical field of electric vehicles, in particular to a heel brace electronic lock.

Background

An electric vehicle foot support is a support rod structure used for supporting an electric vehicle to prevent the electric vehicle from toppling over. The traditional electric vehicle foot support is lifted up or put down by being tensioned by a spring and rotating around a fulcrum, and the electric vehicle foot support has a remarkable defect that the stability of supporting an electric vehicle is not good, and the reason is that: its wheel is not lived by the complete braking when the electric motor car is parked the state, and under a large number of circumstances, the wheel takes place to roll easily, and at this moment, the unable fine taut heel brace of spring on the heel brace, consequently the heel brace can follow the roll of wheel and turn left or slide backward to the influence supports the stability of electric motor car. In addition, the traditional electric vehicle foot support only has the function of supporting the electric vehicle, and the function is single.

Disclosure of Invention

The invention aims to solve the technical problem of providing a foot-supporting electronic lock, which has the functions of supporting and locking an electric vehicle, can effectively improve the stability of supporting the electric vehicle and can play a role in preventing theft.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a heel brace electronic lock, includes the heel brace, its characterized in that: the brake device also comprises a brake cable, a disc brake, a lock disc, a guide cylinder, a lock plunger, a spring, a lock block, a rack, a gear, a motor and a control chip; the lock disc is provided with a No. 1 wire passing ring which is eccentrically arranged, the edge of the lock disc is provided with a lock bolt groove with an arc-shaped cross section, the bottom of the lock bolt is connected with an arc-shaped structure, and the side wall of the guide cylinder is provided with a through hole which is communicated with the inside and the outside; one end of the brake cable is fixed on a vehicle body on the left side of the lock disc, the other end of the brake cable penetrates through the No. 1 wire passing ring and then extends out of the right side of the lock disc and is connected with the disc brake, the lock disc is installed on a shaft for controlling a foot support to rotate, the guide cylinder is inverted above the lock disc, the spring is vertically arranged in the guide cylinder, the lock bolt can be inserted in a cylinder opening position of the guide cylinder in a vertical sliding mode, two ends of the spring are respectively and fixedly connected with the guide cylinder and the lock bolt, the rack is horizontally arranged on one side of the guide cylinder, one end of the locking block is fixedly connected with the rack, the other end of the locking block is inserted in the through hole, the gear is meshed with the rack, an output shaft of the motor is connected with the gear, and the;

when the electric vehicle needs to be parked, the foot supports are put down, the lock disc rotates along with the foot supports, the brake cable is tensioned, the spring stretches to push the bottom of the lock bolt into the lock bolt groove to clamp the lock disc, the control chip controls the motor driving gear to rotate, the rack is driven to transmit in the direction close to the guide cylinder, and the locking block stretches into the guide cylinder to block the top of the lock bolt;

when the electric bicycle needs to be ridden, the control chip controls the motor to drive the gear to rotate, so that the rack is driven to transmit in the direction far away from the guide cylinder, the locking block is pulled out of the guide cylinder and then the foot support is lifted, the locking disc rotates along with the foot support, the brake cable is loosened, the spring is compressed, and the bottom of the lock bolt slides to the edge of the locking disc from the lock bolt groove.

The rack is characterized by further comprising a bearing plate fixed below the rack, the bearing plate is connected with a sliding rail with an inverted trapezoidal cross section, a sliding groove matched with the sliding rail is formed in the bottom of the rack, and the rack is connected to the sliding rail in a sliding mode through the sliding groove.

Further, the upper surface of the bearing plate is flush with the bottom surface of the through hole.

Still further, including the interval fix No. 2 wire passing ring and No. 3 wire passing ring in the upper right side of lock dish upper left side, the brake cable passes No. 2 wire passing ring, No. 1 wire passing ring and No. 3 wire passing ring from a left side to the right side in proper order, works as when the heel brace is lifted up, No. 1 wire passing ring, No. 2 wire passing ring, No. 3 wire passing ring are located same horizontal line, works as when the heel brace is put down, No. 1 wire passing ring's horizontal position is less than No. 2 wire passing ring and No. 3 wire passing ring's horizontal position.

Furthermore, a limit groove is further formed in the lock disc along the periphery of the lock disc, the depth of the lock bolt groove is larger than that of the limit groove, and a round angle is formed at the junction of the lock bolt groove and the limit groove.

Furthermore, the depth of the limiting groove is larger than 1cm, and the depth of the lock bolt groove is larger than 2 cm.

Preferably, the bottom of the foot support is connected with an anti-skid rubber foot pad.

In the foot support electronic lock, after the foot support is put down, the lock disc is locked by the lock bolt, so that the foot support can be effectively prevented from sliding, a brake cable can be tensioned, the rear wheel of the electric vehicle is braked by the disc brake, and the vehicle body is prevented from moving. In addition, the structure of the foot support electronic lock is designed to be simple and ingenious, the lock bolt can be controlled to lock the lock disc in an electronic remote control mode (the control chip is controlled by the electronic remote control), and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the electronic lock of the present invention in a state when the stand bar is put down;

FIG. 2 is a partial front view of the stand electronic lock of the present invention when the stand is lowered;

FIG. 3 is a longitudinal sectional view of FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the electronic lock of the stand of the present invention in a state of lifting the stand;

FIG. 6 is a partial front view of the stand electronic lock of the present invention with the stand raised;

fig. 7 is a longitudinal sectional view of fig. 6.

The reference signs are:

1-foot support 2-brake cable 3-disc brake

4-lock disc 4 a-lock bolt groove 4 b-limit groove

5-guide cylinder 5 a-through hole 6-lock bolt

6 a-arc structure 7-spring 8-locking block

9-rack 9 a-sliding groove 10-gear

No. 11-motor 12-control chip 13-No. 1 wire passing ring

14-bearing plate 15-slide rail 16-No. 2 wire passing ring

17-No. 3 wire passing ring.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

Before explaining the electronic lock with foot support according to the present embodiment, the following description is made: in the prior art, the electric vehicle disc brake is a mechanism for braking the wheel of an electric vehicle, and comprises a disc brake disc and a brake block positioned on one side of the disc brake disc, wherein one end of a brake cable on the electric vehicle is connected with a brake handle, and the other end of the brake cable is connected with the brake block on the disc brake. The invention relates to an improvement of a foot support based on the disc brake structure, which is concretely described as follows.

As shown in fig. 1-7, a foot support electronic lock comprises a foot support 1, a brake cable 2, a disc brake 3, a lock disc 4, a guide cylinder 5, a lock bolt 6, a spring 7, a locking block 8, a rack 9, a gear 10, a motor 11 and a control chip 12; the lock disc 4 is provided with an eccentrically arranged No. 1 wire passing ring 13, the edge of the lock disc 4 is provided with a lock bolt groove 4a with an arc-shaped cross section, the bottom of the lock bolt 6 is connected with an arc-shaped structure 6a, and the side wall of the guide cylinder 5 is provided with a through hole 5a for communicating the inside and the outside; one end of a brake cable 2 is fixed on a vehicle body positioned on the left side of a lock disc 4, the other end of the brake cable 2 passes through a No. 1 wire passing ring 13 and then extends out of the right side of the lock disc 4 and is connected with a disc brake 3, the lock disc 4 is arranged on a shaft for controlling a foot support 1 to rotate (mentioned in the background technology, the foot support is tensioned by a spring and rotates around a fulcrum to be lifted or put down, therefore, the foot support is arranged on the shaft, when the foot support is lifted or put down, the foot support rotates around the shaft), a guide cylinder 5 is a cylinder body with an open end and a closed end, the guide cylinder 5 is inverted above the lock disc 4, the spring 7 is vertically arranged in the guide cylinder 5, a lock bolt 6 can be inserted in the opening position of the guide cylinder 5 in a vertical sliding manner, two ends of the spring 7 are respectively fixedly connected with the bottom of the guide cylinder 5 and the top end of the lock bolt 6, a rack 9 is horizontally arranged on one side of the guide cylinder 5, the other end of the locking block 8 is inserted into the through hole 5a, the gear 10 is meshed with the rack 9, the output shaft of the motor 11 is connected with the gear 10, and the control chip 12 is connected with the motor 11;

two points to be mentioned here are also provided, one of which includes at least two brake cables 2 on the electric vehicle, as shown in fig. 1 and 5, in addition to the lock disc 4 having one brake cable 2, a brake handle of the electric vehicle should also have one brake cable 2 thereon, one end of the brake cable 2 is connected with the brake handle, the other end is connected with the disc brake 3, one end of the two brake cables 2 connected with the disc brake 3 can penetrate into the same cable pipe, but the two brake cables 2 work independently; secondly, in the prior art, the implementation of the control chip 12 involved in the present embodiment has multiple types, specifically, a single chip microcomputer may be used here, and the single chip microcomputer may be connected to a mobile phone or other remote control devices in a wireless network manner, or may be connected to a control switch installed on a vehicle body, so that people can select a control state conveniently.

The function that a heel brace electronic lock that this embodiment related has the support concurrently and locks the dead electric motor car, in this heel brace electronic lock, heel brace 1 is still by the spring (this spring indicates the spring on traditional heel brace 1, this embodiment does not show in the drawing, and this spring is different from spring 7 in guide cylinder 5) control it to lift and put down, 1 pivoted of heel brace drives lock disc 4 simultaneously and rotates, 2 elasticity degrees of brake line are controlled again to lock disc 4 to whether control dish 3 of stopping the electric motor car rear wheel, this heel brace electronic lock's theory of operation specifically as follows:

as shown in fig. 1 and 2, when the electric vehicle needs to be parked, when the support 1 is put down, the lock disc 4 rotates along with the support 1, so that the brake cable 2 is tensioned, the spring 7 stretches to push the bottom of the lock bolt 6 into the lock bolt groove 4a to clamp the lock disc 4, the control chip 12 controls the motor 11 to drive the gear 10 to rotate, so that the rack 9 is driven to be close to the guide cylinder 5, and the locking block 8 stretches into the guide cylinder 5 to block the top of the lock bolt 6;

as shown in fig. 5 and fig. 6, when the electric vehicle needs to be ridden, the control chip 12 controls the motor 11 to drive the gear 10 to rotate, so as to drive the rack 9 to a direction away from the guide cylinder 5, the locking block 8 is drawn out of the guide cylinder 5, the foot support 1 is lifted, the lock disc 4 rotates along with the foot support 1, the brake cable 2 is loosened, the spring 7 is compressed, and the bottom of the lock bolt 6 slides to the edge of the lock disc 4 from the lock bolt groove 4 a.

Furthermore, the electronic foot support lock of the embodiment further includes a bearing plate 14 fixed below the rack 9, the bearing plate 14 is connected with a slide rail 15 with an inverted trapezoidal cross section, the bottom of the rack 9 is provided with a slide groove 9a matched with the slide rail 15, and the rack 9 is slidably connected to the slide rail 15 through the slide groove 9 a. When the motor 11 drives the gear 10 to rotate, the gear 10 drives the rack 9 to transmit, so that the rack 9 slides along the slide rail 15, the slide rail 15 can effectively ensure the accuracy of the transmission direction of the rack 9, and further ensure the accuracy of the movement direction of the locking block 8.

Further, the upper surface of the carrier plate 14 is flush with the bottom surface of the through-hole 5 a.

In the electronic lock for a foot rest of the above embodiment, the mounting line of the brake cable 2 may be various, and specifically, the following mounting method may be selected: this heel brace electronic lock still includes that the interval is fixed at lock 4 left upper side's No. 2 wire passing ring 16 and No. 3 wire passing ring 17 of upper right, brake cable 2 passes No. 2 wire passing ring 16, No. 1 wire passing ring 13 and No. 3 wire passing ring 17 from a left side to the right side in proper order, when heel brace 1 lifts up, No. 1 wire passing ring 13, No. 2 wire passing ring 16, No. 3 wire passing ring 17 are located same water flat line, brake cable 2 is strained, when heel brace 1 puts down, No. 1 wire passing ring 13's horizontal position is less than No. 2 wire passing ring 16 and No. 3 wire passing ring 17's horizontal position, brake cable 2 is loosened.

Furthermore, a limiting groove 4b is further formed in the lock disc 4 along the periphery of the lock disc 4, the depth of the lock bolt groove 4a is larger than that of the limiting groove 4b, when the lock bolt 6 slides out of the lock bolt groove 4a, the lock bolt directly slides into the limiting groove 4b of the lock disc 4, the limiting groove 4b can well limit the arc-shaped structure at the bottom of the lock bolt 6 in the lock disc 4, therefore, the rotation of the lock disc 4 cannot be influenced, the position of the lock bolt 6 can be well guaranteed not to be deviated, in addition, a round angle is formed at the junction of the lock bolt groove 4a and the limiting groove 4b, and the round angle is beneficial for the lock bolt 6 to slide into the limiting groove 4b from the lock bolt groove 4a more smoothly.

Preferably, the depth of the limiting groove 4b is more than 1cm, and the depth of the bolt groove 4a is more than 2 cm.

Preferably, the bottom of the foot support 1 is connected with a non-slip rubber foot pad.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.

Claims

1. Heel brace electronic lock, including heel brace (1), its characterized in that: the brake device is characterized by also comprising a brake cable (2), a disc brake (3), a lock disc (4), a guide cylinder (5), a lock bolt (6), a spring (7), a locking block (8), a rack (9), a gear (10), a motor (11) and a control chip (12); the lock disc (4) is provided with a No. 1 wire passing ring (13) which is eccentrically arranged, the edge of the lock disc (4) is provided with a lock bolt groove (4 a) with an arc-shaped cross section, the bottom of the lock bolt (6) is connected with an arc-shaped structure (6 a), and the side wall of the guide cylinder (5) is provided with a through hole (5 a) for communicating the inside and the outside; one end of the brake cable (2) is fixed on a vehicle body on the left side of the lock disc (4), the other end of the brake cable (2) penetrates through the wire passing ring No. 1 (13) and then extends out of the right side of the lock disc (4) and is connected with the disc brake (3), the lock disc (4) is installed on a shaft for controlling rotation of the foot support (1), the guide cylinder (5) is inverted above the lock disc (4), the spring (7) is vertically arranged in the guide cylinder (5), the lock bolt (6) can be inserted into a cylinder opening of the guide cylinder (5) in an up-and-down sliding mode, two ends of the spring (7) are respectively and fixedly connected with the guide cylinder (5) and the lock bolt (6), the rack (9) is horizontally arranged on one side of the guide cylinder (5), one end of the locking block (8) is fixedly connected with the rack (9), and the other end of the locking block (8) is inserted into the through hole (5 a), the gear (10) is meshed with the rack (9), an output shaft of the motor (11) is connected with the gear (10), and the control chip (12) is connected with the motor (11);

when the electric vehicle needs to be parked, the foot supports (1) are put down, the lock disc (4) rotates along with the foot supports (1), the brake cable (2) is tensioned, the spring (7) stretches to push the bottom of the lock bolt (6) into the lock bolt groove (4 a) to clamp the lock disc (4), the control chip (12) controls the motor (11) to drive the gear (10) to rotate, so that the rack (9) is driven to be close to the guide cylinder (5), and the locking block (8) stretches into the guide cylinder (5) to block the top of the lock bolt (6);

when the electric bicycle needs to be ridden, the control chip (12) controls the motor (11) to drive the gear (10) to rotate, so that the rack (9) is driven to move away from the guide cylinder (5), the locking block (8) is drawn out of the guide cylinder (5), the foot support (1) is lifted, the lock disc (4) rotates along with the foot support (1), the brake cable (2) is loosened, the spring (7) is compressed, and the bottom of the lock bolt (6) slides to the edge of the lock disc (4) from the lock bolt groove (4 a).

2. The heel brace electronic lock of claim 1, wherein: the rack is characterized by further comprising a bearing plate (14) fixed below the rack (9), wherein a sliding rail (15) with an inverted trapezoidal cross section is connected to the bearing plate (14), a sliding groove (9 a) matched with the sliding rail (15) is formed in the bottom of the rack (9), and the rack (9) is connected to the sliding rail (15) in a sliding mode through the sliding groove (9 a).

3. The heel brace electronic lock of claim 2, wherein: the upper surface of the bearing plate (14) is flush with the bottom surface of the through hole (5 a).

4. The heel brace electronic lock of claim 3, wherein: still fix No. 2 line ring (16) and No. 3 line ring (17) of line ring (17) are crossed to the upper right side in lock dish (4) upper left side including the interval, brake cable (2) pass line ring (16), No. 1 line ring (13) and No. 3 line ring (17) from a left side to the right side in proper order, work as during heel brace (1) lifts up, No. 1 line ring (13), No. 2 line ring (16), No. 3 line ring (17) are located same water flat line, work as during heel brace (1) puts down, the horizontal position of No. 1 line ring (13) is less than the horizontal position of No. 2 line ring (16) and No. 3 line ring (17).

5. The heel brace electronic lock of claim 4, wherein: the lock disc (4) is further provided with a limiting groove (4 b) along the periphery of the lock disc, the depth of the lock bolt groove (4 a) is larger than that of the limiting groove (4 b), and a round angle is formed at the junction of the lock bolt groove (4 a) and the limiting groove (4 b).

6. The heel brace electronic lock of claim 5, wherein: the depth of the limiting groove (4 b) is larger than 1cm, and the depth of the lock bolt groove (4 a) is larger than 2 cm.

7. The heel brace electronic lock of claim 6, wherein: the bottom of the foot support (1) is connected with an anti-skid rubber foot pad.