CN106882292B

CN106882292B - Electric vehicle with double-lock structure

Info

Publication number: CN106882292B
Application number: CN201710216424.5A
Authority: CN
Inventors: 陈怀勇
Original assignee: Sichuan Baijia Technology Co ltd
Current assignee: Sichuan Baijia Technology Co ltd
Priority date: 2017-04-05
Filing date: 2017-04-05
Publication date: 2023-06-20
Anticipated expiration: 2037-04-05
Also published as: CN106882292A

Abstract

The invention provides an electric vehicle with a double-lock structure, and relates to the technical field of electric vehicles. The electric vehicle with the double-lock structure comprises a vehicle head, a handle, a vehicle body, a speed regulating device, a first lock body and a second lock body. The locomotive is installed in the automobile body, and the handle is installed in the locomotive, and first lock body is installed in the one end that the automobile body is close to the locomotive for the power of intercommunication or shut off the electric motor car. The speed regulating device is fixedly arranged on the vehicle body, is connected with the handle, rotates the handle, and is started to drive the electric vehicle to run. The second lock body is arranged on the handle and used for selectively limiting the rotation of the handle so as to control the operation of the electric vehicle. The electric vehicle with the double-lock structure realizes double insurance on the vehicle through the first lock body and the second lock body, and has simple structure, safety, reliability and high anti-theft coefficient.

Description

Electric vehicle with double-lock structure

Technical Field

The invention relates to the technical field of electric vehicles, in particular to an electric vehicle with a double-lock structure.

Background

The electric vehicle is one of the conventional riding tools, has the characteristics of high speed, time saving and labor saving compared with a bicycle, and has small volume compared with an automobile, low road requirements and convenient parking, so the electric vehicle is popular with the masses. The use amount of electric vehicles is also increasing.

Although the use amount of the electric vehicle is increased, the anti-theft technology of the electric vehicle is relatively backward, so that lawbreakers can be organic. Therefore, the safety of outdoor parking of electric vehicles plagues many electric vehicle owners. At present, the common anti-theft means of the electric vehicle only locks the wheels by one lock, and the operation mode needs to bend over to squat, so that the operation is inconvenient and the safety coefficient is low.

Along with the social development, the anti-theft technology is improved, new anti-theft means such as remote control locks are gradually introduced into the market, and the anti-theft means bring convenience to owners of electric vehicles, but have some defects. The remote control lock is easy to be misoperation by children or car owners, so that the locking of the electric car is unstable, and the anti-theft coefficient is low.

Therefore, the design and manufacture of the electric vehicle with safety, reliability, convenient operation and high anti-theft coefficient are particularly important.

Disclosure of Invention

The invention aims to provide the electric vehicle with the double-lock structure, which is capable of double-locking the electric vehicle through the first lock body and the second lock body, so that the safety coefficient of the electric vehicle is increased, the structure is simple, the operation is convenient, and the use of a vehicle owner is more safe.

The invention also aims to provide another double-lock structure electric vehicle, a second lock body is arranged on the handle of the electric vehicle, the handle of the electric vehicle rotates at present, meanwhile, the lock hole is covered by the sealing cover, so that the existence of the second lock body is difficult to find from the appearance, and the safety coefficient of the electric vehicle is increased due to the concealment of the second lock body.

The invention improves the technical problems by adopting the following technical proposal.

The invention provides a double-lock structure electric vehicle which comprises a vehicle head, a handle, a vehicle body, a speed regulating device, a first lock body and a second lock body.

The vehicle head is installed in the vehicle body, the handle is installed in the vehicle head, the first lock body is installed in the vehicle body is close to one end of the vehicle head, and the first lock body is used for communicating or closing a power supply of the double-lock structure electric vehicle.

The speed regulating device is fixedly arranged on the vehicle body, is connected with the handle and rotates the handle, and starts to drive the electric vehicle with the double-lock structure to move.

The second lock body is arranged on the handle and is used for selectively limiting the rotation of the handle, so that the speed regulating device is controlled to drive the electric vehicle with the double-lock structure to move.

Further, the handle comprises a first handle and a second handle, the first handle and the second handle are arranged oppositely, and the first handle and the second handle are respectively arranged at two sides of the headstock; the second lock body is arranged on the first handle.

Further, the first handle comprises a fixed shaft and a speed regulating handle, the fixed shaft is connected to the vehicle body, the speed regulating handle is sleeved on the fixed shaft, the speed regulating handle can rotate relative to the fixed shaft, and the second lock body is mounted on the fixed shaft; the speed regulating handle is connected with the speed regulating device and used for regulating the speed of the vehicle.

Further, the second lock body is mounted to an end portion of the fixed shaft.

Further, the second lock body comprises a lock cylinder, a lock hole, a key and a shell, wherein the lock cylinder is arranged in the shell and comprises a lock tongue and a rotating piece, and the lock cylinder is connected with the rotating piece; the rotating piece is provided with a lock hole, and the key is inserted into the lock hole to drive the rotating piece to rotate; the lock tongue can pass through the shell and the fixed shaft, and the rotating piece rotates to drive the lock tongue to stretch and retract so that the lock tongue is selectively connected with or separated from the speed regulating handle.

Further, the shell is fixedly provided with a latch, the fixed shaft is provided with a limit groove, and the latch can be clamped into the limit groove and is used for limiting the second lock body.

Further, the fixed shaft is provided with a first accommodating groove along the axial direction of the fixed shaft, and the second lock body comprises a lock cylinder, a lock hole and a key; the lock cylinder is provided with the lock hole for inserting the key; the lock cylinder is arranged in the first accommodating groove and is connected with the speed regulating handle, the key is inserted into the lock hole, and the lock cylinder can be driven to rotate by rotating the key, so that the lock cylinder is connected with or separated from the speed regulating handle.

Further, the lock core passes through the fixed shaft, a plurality of bulges are arranged on one side, close to the speed regulating handle, of the lock core, a plurality of clamping grooves are formed in the inner surface, close to the fixed shaft, of the speed regulating handle, and the bulges can be clamped into the clamping grooves so as to limit the rotation of the speed regulating handle.

Further, a plurality of grooves are formed in the outer surface of the speed regulating handle, the axis of each groove is consistent with the axis direction of the fixed shaft, and the grooves are used for increasing friction force of the speed regulating handle and playing a role in preventing skidding.

The invention provides an electric vehicle with a double-lock structure, which comprises a vehicle head, a handle, a vehicle body, a speed regulating device, a first lock body and a second lock body. The vehicle head is arranged on the vehicle body, the handle is arranged on the vehicle head, the first lock body is arranged at one end of the vehicle body, which is close to the vehicle head, and is used for communicating or closing a power supply of the electric vehicle with the double-lock structure; the speed regulating device is fixedly arranged on the vehicle body, is connected with the handle and rotates the handle, and drives the electric vehicle with the double-lock structure to move.

The handle comprises a first handle and a second handle which is arranged opposite to the first handle, and the second lock body comprises a lock cylinder, a lock hole and a key. The lock cylinder is provided with the lock hole, and the lock hole is used for inserting the key. The lock cylinder is mounted to the first handle for selectively restricting rotation of the first handle. The end part of the first handle is provided with a sealing cover which is fixedly connected with the first handle and used for covering the lock hole.

The double-lock structure electric vehicle provided by the invention has the following beneficial effects:

the invention provides an electric vehicle with a double-lock structure, which comprises a vehicle head, a handle, a vehicle body, a speed regulating device, a first lock body and a second lock body. The first lock body is arranged at one end of the vehicle body close to the vehicle head and is used for communicating or closing a power supply of the electric vehicle with the double-lock structure. The speed regulating device is fixedly arranged on the vehicle body and is connected with the handle, and the handle is rotated, so that the speed regulating device can drive the electric vehicle with the double-lock structure to move. The second lock body is arranged on the handle and used for selectively limiting the rotation of the handle, so that the speed regulating device is controlled to drive the electric vehicle with the double-lock structure to move. This double-lock structure electric motor car realizes the double-locking to the vehicle through first lock body and second lock body, reaches double insurance effect, and safe and reliable, factor of burglary-resisting is high, and the car owner uses more with ease.

The invention provides another double-lock structure electric vehicle, which is characterized in that a first lock body is arranged on a vehicle body and used for controlling the connection or disconnection of a power supply, and a second lock body is arranged on a handle and used for limiting the rotation of the handle. Only when the first lock body and the second lock body are opened simultaneously, the vehicle can move, and the double-lock structure greatly improves the safety performance of the vehicle. In addition, a cover is arranged on the handle for shielding the lock hole of the second lock body. The existence of the second lock body is difficult to find from the appearance, and the concealment of the second lock body also improves the antitheft coefficient of the electric vehicle, so that the electric vehicle is parked outdoors more safely.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a dual lock structure electric vehicle according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second lock body of the electric vehicle with a double lock structure according to the first embodiment of the present invention;

fig. 3 is a schematic structural diagram of another state of the second lock body of the electric vehicle with the double lock structure according to the first embodiment of the present invention;

fig. 4 is a schematic structural view of a first handle of an electric vehicle with a double lock structure according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second lock body of a dual lock structure electric vehicle according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of another state of a second lock body of a dual lock structure electric vehicle according to a second embodiment of the present invention;

fig. 7 is a schematic structural diagram of a first handle of an electric vehicle with a double lock structure according to a second embodiment of the present invention.

Icon: 100-double lock structure electric vehicle; 110-a vehicle body; 120-headstock; 130-handle; 140-a first handle; 141-a fixed shaft; 142-a first accommodation groove; 143-a speed regulating handle; 1431-a card slot; 1435-first groove; 1437-a limit groove; 145-grooves; 147-closing cap; 150-a second handle; 160-a second lock body; 161-lock core; 162-keyhole; 163-key; 1611-a bump; 1613 a rotating member; 1615-a bolt; 165-a housing; 1651-latch; 170-first lock body.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship conventionally put in use of the product of the present invention, or the azimuth or positional relationship conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

The terms "first", "second", and the like, are used merely for distinguishing the description and have no special meaning.

In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "mounted" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

First embodiment

Fig. 1 is a schematic overall structure of an electric vehicle 100 with a double lock structure according to a first embodiment of the present invention, please refer to fig. 1.

The electric vehicle 100 with a double lock structure provided in this embodiment includes a vehicle head 120, a handle 130, a vehicle body 110, a speed adjusting device (not shown in the figure), a first lock 170, and a second lock 160.

The headstock 120 is installed on the car body 110, the handle 130 is installed on the headstock 120, and the first lock 170 is installed on one end of the car body 110 close to the headstock 120, and is used for connecting or disconnecting the power supply of the double-lock structure electric car 100.

The speed regulating device is fixedly arranged on the car body 110, and is connected with the handle 130, and the handle 130 is rotated, so that the speed regulating device can drive the electric car 100 with the double-lock structure to move.

The second lock 160 is mounted on the handle 130, and is used for selectively limiting the rotation of the handle 130, so as to control the speed regulating device to drive the electric vehicle 100 with double-lock structure to move.

It should be noted that, only when the first lock 170 connects the speed adjusting device with the power source and the second lock 160 releases the rotation restriction on the handle 130, the handle 130 is rotated, and the speed adjusting device may drive the electric vehicle 100 with double lock structure to move. If either the first lock 170 or the second lock 160 is in the locked state, the speed adjusting device cannot drive the electric vehicle 100 with the double lock structure to move.

The handle 130 includes a first handle 140 and a second handle 150, the first handle 140 and the second handle 150 are disposed opposite to each other, and the first handle 140 and the second handle 150 are disposed at two sides of the head 120, respectively; the second lock 160 is disposed on the first handle 140.

Fig. 2 is a schematic structural diagram of a state of the second lock 160 of the electric vehicle 100 with double lock structure according to the first embodiment of the present invention, and fig. 3 is a schematic structural diagram of another state of the second lock 160 of the electric vehicle 100 with double lock structure according to the first embodiment of the present invention, please refer to fig. 2 and 3.

The first handle 140 includes a fixed shaft 141 and a speed adjusting handle 143, the fixed shaft 141 is connected to the vehicle body 110, the speed adjusting handle 143 is sleeved on the fixed shaft 141, the speed adjusting handle 143 can rotate relative to the fixed shaft 141, and the speed adjusting handle 143 can rotate to trigger the speed adjusting device, so that the speed adjusting device drives the electric vehicle 100 with the double-lock structure to move, and the electric vehicle 100 with the double-lock structure enters a running state. The throttle grip 143 is used to adjust the vehicle speed while the vehicle is traveling. The inner diameter of the fixed shaft 141 is generally designed to be 16mm to 20mm, and preferably, the inner diameter of the fixed shaft 141 is 18.5mm.

The second lock 160 is mounted to an end of the fixed shaft 141. The second lock body 160 includes a lock cylinder 161, a lock hole 162, a key 163 (not shown in fig. 2), and a housing 165, the lock cylinder 161 is disposed in the housing 165, the lock cylinder 161 includes a lock tongue 1615 and a rotation member 1613, and the lock cylinder 161 is connected to the rotation member 1613. The rotating member 1613 is provided with a locking hole 162, and the key 163 is inserted into the locking hole 162 to rotate the rotating member 1613. The lock tongue 1615 can pass through the housing 165 and the fixed shaft 141, and the rotating member 1613 rotates to drive the lock tongue 1615 to retract, so that the lock tongue 1615 is selectively connected with or separated from the speed adjusting handle 143.

The casing 165 is provided with a first through hole (not shown in the figure), the fixed shaft 141 is provided with a second through hole (not shown in the figure), the inner side of the speed regulating handle 143 is provided with a first groove 1435, the first through hole, the second through hole and the first groove 1435 are communicated, and the positions of the first through hole, the second through hole and the first groove 1435 correspond to the position of the lock tongue 1615. When the lock tongue 1615 sequentially passes through the first through hole and the second through hole and stretches into the first groove 1435, as shown in fig. 2, the lock tongue 1615 limits the rotation of the speed adjusting handle 143, the speed adjusting handle 143 cannot rotate, and the electric vehicle 100 with the double lock structure cannot run.

The key 163 is inserted into the lock hole 162, the key 163 is rotated to drive the rotating member 1613 to rotate, and the rotating member 1613 retracts the lock tongue 1615 from the first groove 1435 into the fixed shaft 141, thereby unlocking the speed adjusting handle 143, as shown in fig. 3. In this state, the speed regulating handle 143 can be rotated, and the electric vehicle 100 having the double lock structure can be operated.

In this embodiment, the casing 165 is fixedly provided with a latch 1651, the fixed shaft 141 is provided with a limiting groove 1437, and the latch 1651 may be clamped into the limiting groove 1437 to limit the second lock 160 and prevent the second lock 160 from moving along the axial direction of the fixed shaft 141.

It is easy to understand that the lock hole 162 is provided with a plurality of non-identical protrusions (not shown), and the key 163 is provided with notches (not shown) matching with the plurality of protrusions, so that the key 163 can be smoothly inserted into the lock hole 162 and rotate the rotator 1613. Fig. 4 is a schematic structural diagram of the first handle 140 of the electric vehicle 100 with double lock structure according to the first embodiment of the present invention, please refer to fig. 4.

The outer surface of the speed adjusting handle 143 is provided with a plurality of grooves 145, the axis of each groove 145 is consistent with the axis direction of the fixed shaft 141, and the plurality of grooves 145 are used for increasing the friction force of the speed adjusting handle 143 and playing a role of skid resistance.

The structure of second lock 160 may be the same as or different from the structure of first lock 170 attached to vehicle body 110. Preferably, the first lock 170 and the second lock 160 in this embodiment have identical structures, that is, the key 163 of the first lock 170 and the key 163 of the second lock 160 may be interchanged, and the key 163 of the first lock 170 may be inserted into the lock hole 162 of the first lock 170 or the lock hole 162 of the second lock 160. Thus, only one key 163 is needed to open the two lock bodies, the key 163 is convenient to carry, and the unlocking operation is also convenient. In addition, the anti-slip portion provided on the outer surface of the speed adjusting grip 143 may be the groove 145, or may be other various anti-slip textures, such as elongated anti-slip textures that are distributed throughout the speed adjusting grip 143 to provide anti-slip effect, or a plurality of irregular protrusions that are distributed throughout the speed adjusting grip 143 to provide anti-slip effect, which is not particularly limited herein.

Second embodiment

Fig. 5 is a schematic structural diagram of a second lock 160 of the electric vehicle 100 with a double lock structure according to a second embodiment of the present invention, and fig. 6 is a schematic structural diagram of a second lock 160 of the electric vehicle 100 with a double lock structure according to a second embodiment of the present invention, please refer to fig. 5 and 6.

Alternatively, the fixed shaft 141 is provided with a first receiving groove 142 along an axial direction thereof, and the second lock body 160 includes a key cylinder 161, a lock hole 162, and a key 163; the lock cylinder 161 is provided with a lock hole 162 for inserting a key 163. The lock cylinder 161 is installed in the first accommodating groove 142 and connected with the speed adjusting handle 143, the key 163 is inserted into the lock hole 162, and turning the key 163 can drive the lock cylinder 161 to rotate, so that the lock cylinder 161 is connected with or separated from the speed adjusting handle 143.

The lock cylinder 161 passes through the fixed shaft 141 and is provided with a plurality of protrusions 1611 near the speed regulating handle 143, the inner surface of the speed regulating handle 143 near the fixed shaft 141 is provided with a plurality of clamping grooves 1431, and the protrusions 1611 are clamped with the clamping grooves 1431 to limit the rotation of the speed regulating handle 143 (as shown in fig. 5). When the key 163 is inserted into the lock hole 162, the protrusion 1611 on the lock cylinder 161 is driven to be away from the clamping groove 1431 of the speed adjusting handle 143 by rotating the key 163, so that the protrusion 1611 is separated from the clamping groove 1431, the lock cylinder 161 releases the rotation restriction on the speed adjusting handle 143, and the speed adjusting handle 143 can rotate freely (as shown in fig. 6).

It should be noted that, the fixing shaft 141 may be a solid structure or a hollow structure, and if the fixing shaft 141 is a hollow structure, the first accommodating groove 142 may be omitted. If the fixing shaft 141 is of a solid structure, the first accommodating groove 142 needs to be opened for installing the second lock body 160.

Fig. 7 is a schematic structural diagram of the first handle 140 of the electric vehicle 100 with double lock structure according to the second embodiment of the present invention, please refer to fig. 7.

Optionally, a cover 147 is disposed at an end of the first handle 140 near the first lock 170, and the cover 147 is fixedly connected to the first handle 140 for covering the lock hole 162. The cover 147 and the first handle 140 may be screwed or rotatably connected, or directly cover the end of the first handle 140, so long as the purpose of covering the lock hole 162 is achieved, and the present invention is not limited in detail.

Other matters not mentioned in this embodiment are the same as those in the first embodiment, and will not be described here again.

It is to be understood that the installation position of the second lock 160 may be appropriately adjusted, or may be disposed in the middle of the first handle 140 or at other positions of the vehicle body 110, in addition to those of the above embodiments, to limit the rotation of the first handle or to limit the actuation of the speed adjusting device.

The working principle of the double-lock structure electric vehicle 100 provided by the invention is as follows:

when the electric vehicle 100 with the double lock structure is started, the key 163 is inserted into the lock hole 162 of the second lock body 160, the key 163 is turned, the lock cylinder 161 is driven to rotate, the lock cylinder 161 is separated from the speed adjusting handle 143, and the rotation restriction of the speed adjusting handle 143 by the second lock body 160 is released.

The key 163 is pulled out, the key 163 is inserted into the lock hole 162 of the first lock body 170, the key 163 is turned, and the speed regulating device is connected to the power supply.

The speed regulating handle 143 of the first handle is rotated to trigger the speed regulating device to enable the electric vehicle 100 with the double-lock structure to enter a running state, and the speed regulating device drives the electric vehicle 100 with the double-lock structure to move.

When the electric vehicle 100 with the double lock structure is parked, the first lock 170 is locked, so that the speed regulating device is disconnected from the power supply. The second lock body 160 is locked again, so that the lock cylinder 161 of the second lock body 160 is connected with the speed regulating handle 143, and the rotation of the speed regulating handle 143 is limited. The key 163 is pulled out to cover the lock hole 162 of the second lock body 160 with the cover 147.

In summary, the electric vehicle 100 with the double-lock structure provided by the invention has the following advantages:

the electric vehicle 100 with double lock structure provided by the invention controls the communication or closing of the speed regulating device and the power supply by arranging the first lock body 170, and the second lock body 160 limits the rotation of the first handle 140. First, only when the first lock 170 connects the speed regulator with the power source and the second lock 160 releases the rotation restriction of the first handle 140, the rotation of the first handle 140 can realize the movement of the speed regulator to drive the electric vehicle 100 with double lock structure. Neither the first lock 170 nor the second lock 160 satisfies the above conditions, and the speed adjusting device cannot drive the electric vehicle 100 with the double lock structure to move. Secondly, the double-lock structure electric vehicle 100 realizes double locking, improves the safety performance of the double-lock structure electric vehicle 100, and the second lock body 160 is covered by the sealing cover 147, so that the existence of the second lock body 160 is difficult to find from the appearance, and the anti-theft coefficient of the double-lock structure electric vehicle 100 is increased. Finally, the first lock 170 and the second lock 160 can share a key 163, which is convenient to carry the key 163, easy to unlock, and more convenient to use the electric vehicle 100 with double lock structure.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications, combinations and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The double-lock structure electric vehicle is characterized by comprising a vehicle head, a handle, a vehicle body, a speed regulating device, a first lock body and a second lock body;

the vehicle head is arranged on the vehicle body, the handle is arranged on the vehicle head, the first lock body is arranged at one end of the vehicle body, which is close to the vehicle head, and is used for communicating or closing a power supply of the electric vehicle with the double-lock structure;

the speed regulating device is fixedly arranged on the vehicle body, is connected with the handle and rotates the handle, and is started to drive the double-lock structure electric vehicle to move;

the second lock body is arranged on the handle and is used for selectively limiting the rotation of the handle so as to control the speed regulating device to drive the electric vehicle with the double-lock structure to move;

the handle comprises a fixed shaft and a speed regulating handle, the fixed shaft is connected to the vehicle body, the speed regulating handle is sleeved on the fixed shaft, the speed regulating handle can rotate relative to the fixed shaft, and the second lock body is mounted on the fixed shaft; the speed regulating handle is connected with the speed regulating device and used for regulating the speed of the vehicle;

the second lock body comprises a lock cylinder, a lock hole, a key and a shell, wherein the lock cylinder is arranged in the shell, the lock cylinder comprises a lock tongue and a rotating piece, and the lock tongue is connected with the rotating piece; the rotating piece is provided with a lock hole, the lock tongue can pass through the shell and the fixed shaft, and the key is inserted into the lock hole to drive the rotating piece to rotate; the rotating piece rotates to drive the lock tongue to stretch out and draw back, so that the lock tongue is selectively connected with or separated from the speed regulating handle;

the lock cylinder penetrates through the fixed shaft and is provided with a plurality of bulges at one side close to the speed regulating handle, the inner surface of the speed regulating handle close to the fixed shaft is provided with a plurality of clamping grooves, and the plurality of bulges are clamped with the plurality of clamping grooves so as to limit the rotation of the speed regulating handle;

the shell is provided with a first through hole, the fixed shaft is provided with a second through hole, the inner side of the speed regulating handle is provided with a first groove, the first through hole, the second through hole and the first groove are communicated, and the positions of the first through hole, the second through hole and the first groove correspond to the positions of the lock tongue respectively; the shell is fixedly provided with a latch, the fixed shaft is provided with a limit groove, and the latch can be clamped into the limit groove and is used for limiting the second lock body;

the key of the first lock body and the key of the second lock body can be exchanged, and the key of the first lock body can be inserted into the lock hole of the first lock body or the lock hole of the second lock body;

the end part of the handle is provided with a sealing cover which is fixedly connected with the handle and used for covering the lock hole.

2. The electric vehicle of claim 1, wherein the handle comprises a first handle and a second handle, the first handle and the second handle are arranged opposite to each other, and the first handle and the second handle are respectively arranged at two sides of the vehicle head; the second lock body is arranged on the first handle.

3. The electric vehicle of claim 1, wherein the second lock body is mounted to an end of the stationary shaft.

4. The electric vehicle with double-lock structure according to claim 1, wherein the fixed shaft is provided with a first accommodating groove along an axial direction thereof, and the second lock body comprises a lock cylinder, a lock hole and a key; the lock cylinder is provided with the lock hole for inserting the key; the lock cylinder is arranged in the first accommodating groove and is connected with the speed regulating handle, the key is inserted into the lock hole, and the lock cylinder can be driven to rotate by rotating the key, so that the lock cylinder is connected with or separated from the speed regulating handle.

5. The electric vehicle with double lock structure according to claim 1, wherein a plurality of grooves are formed in the outer surface of the speed regulating handle, the axis of each groove is consistent with the axis direction of the fixed shaft, and the plurality of grooves are used for increasing the friction force of the speed regulating handle and playing a role of skid resistance.