CN219969716U

CN219969716U - Electric driven handcart

Info

Publication number: CN219969716U
Application number: CN202321238435.0U
Authority: CN
Inventors: 颜秋波; 张文宇
Original assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Current assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Priority date: 2023-01-18
Filing date: 2023-05-19
Publication date: 2023-11-07
Anticipated expiration: 2033-05-19
Also published as: CN220076454U; CN219969717U; CN219821486U; CN220009805U; CN220009806U; CN219821485U; CN220374551U; WO2024152579A1; CN219806849U

Abstract

The utility model discloses an electric drive handcart, which comprises a cart body, a driving unit and a power supply unit, wherein the driving unit is used for driving wheels of the cart body to rotate, the power supply unit is used for supplying power to the driving unit, the cart body comprises a frame and an operating rod hinged with the frame, the operating rod is suitable for rotating between an initial position and a push-pull position, the electric drive handcart further comprises a second switch, the second switch is electrically connected with the driving unit, so that when the second switch is triggered, the driving unit is in a state capable of being started, the second switch is configured to trigger the operating rod when the operating rod rotates by an angle alpha from the initial position, and alpha is more than 0 degrees. The electric drive handcart disclosed by the utility model improves the convenience and safety of use of users, and overcomes some defects of the existing handcart.

Description

Electric driven handcart

Technical Field

The utility model relates to the technical field of conveying devices and carrying devices, in particular to an electric drive trolley.

Background

The trolley is widely applied to production and life, is convenient to operate, has light dead weight and is very convenient to load and transport objects in short distances. The initial cart is pushed and pulled manually, and is very laborious to push or pull by means of two hands for heavier objects or for places with steep gradients, and then the small-sized cart driven by electric power is arranged, so that the burden of workers can be effectively reduced, and the transportation efficiency is improved.

With the continuous development of modern technology, people put forward higher requirements on the convenience of the electric cart. The existing electric trolley generally adopts a storage battery as power supply equipment so as to realize long-distance transportation and use of the electric trolley. However, due to technical limitations, particularly in charging, the electric cart needs to be charged by plugging in the charger after the electric quantity of the storage battery is exhausted, and then the electric cart needs to be manually pushed and pulled to a place where the electric cart can be powered indoors or outdoors, and a charger special for the electric cart needs to be matched. Long-term use finds that when the existing electric cart is used outdoors, the existing electric cart needs to be moved to be charged indoors after no electricity is generated, manpower is wasted, time is occupied, and the special charger for the electric cart is easy to lose, so that inconvenience is brought to the use of a user, and the experience of the user when the user uses the electric cart is greatly affected.

In use, children find that the electric drive trolley is extremely interested, often climbs into the frame of the trolley body for playing, and possibly touch a switch at the handle to start the electric drive trolley, so that great potential hazards are caused to personal safety of the children.

Disclosure of Invention

The utility model aims to provide an electric drive handcart which can conveniently replace batteries and prevent users or children from touching by mistake to start the handcart, and the defects in the prior art are overcome.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided an electrically driven trolley comprising a vehicle body, a drive unit for driving rotation of wheels of the vehicle body, and a power supply unit for supplying power to the drive unit, the vehicle body comprising a frame and an operating lever hinged to the frame such that the operating lever is adapted to rotate between an initial position and a push-pull position, the electrically driven trolley further comprising a second switch electrically connected to the drive unit such that when the second switch is triggered, the drive unit is in a state capable of being activated, the second switch being configured such that the operating lever is triggered by the initial position rotation angle α, α >0 °.

As a preference, 5 ° < α <80 °.

As another preference, 10 ° < α <60 °.

As another preferable aspect, the second switch is provided at a hinge of the operation lever and the frame; or the second switch is arranged on the frame, and the operating rod is provided with a triggering part corresponding to the second switch.

As another preferred aspect, the power supply unit includes a battery compartment in which a battery pack is adapted to be detachably provided, and the power supply unit and the operation lever are provided on the same side of the frame.

As another preferable aspect, the wheel includes a pair of front wheels on a side close to the lever, and a pair of rear wheels on a side distant from the lever, and the driving unit is provided between the pair of rear wheels for driving the rear wheels to rotate.

As another preferable aspect, the operation lever includes a first switch, and the driving unit is in a state capable of being started after the first switch is turned on.

As another preferable mode, the operation lever further includes a third switch adjacent to the first switch, and the first switch may be turned on when the third switch is operated.

Further preferably, the frame is a foldable frame such that the vehicle body is foldable for storage.

The utility model also provides an electrically driven trolley, comprising a trolley body, a driving unit and a power supply unit, wherein the driving unit is used for driving wheels of the trolley body to rotate, the power supply unit is used for supplying power to the driving unit, and the trolley body comprises a frame and an operating rod hinged with the frame, so that the operating rod is suitable for rotating between an initial position and a push-pull position; the device further comprises a switch system electrically connected with the driving unit, wherein the switch system is suitable for independently sending out a first electric signal and a second electric signal, and the driving unit is suitable for being in a state capable of being started after receiving the first electric signal and the second electric signal.

Preferably, the second electrical signal is configured such that the lever is triggered by an angle of rotation α of the initial position, α >0 °

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the electric drive trolley, the driving unit can be in a starting state when the operating rod is operated, so that the movement of the trolley body is effectively prevented from being triggered when a child plays in the frame, and the use risk is reduced;

(2) The electric drive trolley is provided with triple starting conditions, so that the situation that a user mistakenly touches, forgets to turn off a power supply to leave, and the child plays to mistakenly start the trolley body is effectively prevented, and potential safety hazards are reduced;

(3) The electric drive trolley is provided with the detachable battery pack, the standby battery pack can be quickly replaced after the battery pack is discharged, and the trolley is not required to be moved to a position where a power supply is connected after being charged, so that the burden of a user is reduced;

(4) The electrically driven trolley frame can be folded, is favorable for storage, and reduces the occupied space.

Drawings

FIG. 1 is a schematic view of an electrically driven cart according to an embodiment of the present utility model;

FIG. 2 is a right side view of an electrically driven cart structure according to an embodiment of the utility model;

FIG. 3 is a bottom view of an electrically driven cart structure according to one embodiment of the utility model;

FIG. 4 is a front view of an electrically driven cart structure according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing a folded state of an electrically driven cart according to an embodiment of the present utility model;

FIG. 6 is a left side view of an electrically driven cart in a collapsed condition in accordance with one embodiment of the present utility model;

FIG. 7 is a front view of an electrically driven cart in a collapsed condition in accordance with one embodiment of the present utility model;

FIG. 8 is a bottom view of an electrically driven cart in a collapsed condition in accordance with one embodiment of the present utility model;

FIG. 9 is a schematic view of a power unit of an electrically driven cart according to an embodiment of the utility model, wherein the battery pack and the protective cover are not shown;

FIG. 10 is a schematic view of an electrically driven cart power unit according to an embodiment of the present utility model, wherein the protective cover is not shown;

FIG. 11 is a schematic view of the handle end of an electrically driven cart in accordance with an embodiment of the utility model;

FIG. 12 is a schematic view of another angular configuration of an electrically driven cart according to an embodiment of the utility model;

FIG. 13 is a schematic view of a battery pack of an electrically driven cart according to an embodiment of the utility model;

in the figure: 1. a vehicle body; 11. a frame; 111. a side rail; 112. a bottom plate; 12. a wheel; 121. a front wheel; 122. a rear wheel; 123. a transmission rod; 13. an operation lever; 131. a handle end; 2. a driving unit; 3. a power supply unit; 30. a housing; 31. a first output interface; 32. a battery compartment; 33. a battery pack; 331. a power outlet; 332. a second output interface; 34. a power supply opening part; 35. a protective cover; 4. a switching system; 41. a first switch; 42. a second switch; 43. a third switch; 44. and a fourth switch.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 13, the present utility model provides an electrically driven cart, which comprises a cart body 1, a driving unit 2, a power supply unit 3, and a switching system 4, wherein the driving unit 2 is used for driving wheels 12 of the cart body 1 to rotate, so that the cart body 1 can advance or retreat under the assistance of the driving unit 2, the power supply unit 3 is used for supplying power to the driving unit 2, and the switching system 4 is electrically connected with the driving unit 2 and is used for controlling the operation of the driving unit 2.

The handcart that will rely on the manpower to stimulate changes electric drive, and the user only needs the advancing direction of control handcart when using, labour saving and time saving, the transportation of more convenient long distance and heavy object, the hillside that runs into also can easily deal with, has improved the use convenience.

As shown in fig. 2, the vehicle body 1 includes a frame 11, a wheel 12, and an operation lever 13, the frame 11 having a space for accommodating an object, the wheel 12 being provided at the bottom of the frame 11, the operation lever 13 being provided at one end of the frame 11. When the object carrying device is used, an object is placed inside the frame 11, and the operating rod 13 is pulled to drive the frame 11 to move, so that the object carrying purpose is achieved.

It should be noted that the vehicle body 1 may further include a fabric layer (not shown in the drawings) disposed on the frame 11, the accommodating space of the vehicle body 1 is defined by the frame 11 and the fabric layer, and the fabric layer is disposed to facilitate the improvement of the accommodating capacity of the vehicle body 1 while reducing the weight of the vehicle body 1, so that the object is not easy to fall in the fabric layer.

In some embodiments, the frame 11 is rectangular, is a foldable frame 11, and can be folded for storage after use, so that the occupied space of the electric cart is reduced.

In the embodiment shown in fig. 1 and 2, the frame 11 includes a side rail 111 and a bottom plate 112, the side rail 111 includes a front rail, a rear rail, a left rail and a right rail, the bottom plate 112 includes a front plate and a rear plate rotatably connected, the front rail is rotatably connected with the front plate, the rear rail is rotatably connected with the rear plate, the left rail and the right rail are disposed at both sides of the bottom plate 112, and both ends are connected with the front rail and the rear rail, respectively, the left rail and the right rail are adapted to be folded, and the front rail and the rear rail are not foldable.

When folding is needed, the front rail and the rear rail are close to each other, the connection parts of the front plate and the rear plate are rotated to be close to each other, and the side support rods of the left rail and the right rail are hinged to be close to each other, so that the frame 11 can be folded together.

It should be noted that the specific structure of the foldable frame 11 may be selected in many ways, and all the frames 11 that can be folded to achieve the volume reduction are within the scope of the present utility model.

In the embodiment shown in fig. 1 and 2, the wheel 12 includes a pair of front wheels 121 and a pair of rear wheels 122, the pair of front wheels 121 being disposed at a front end of the floor 112 at intervals, and the pair of rear wheels 122 being disposed at a rear end of the floor 112 at intervals.

In some embodiments, a pair of rear wheels 122 are connected by a transmission rod 123, and the driving unit 2 drives the transmission rod 123 to rotate so that the rear wheels 122 are rotationally advanced, and the connection manner of the transmission rod 123 and the rear wheels 122 is a prior art, and a description thereof is omitted herein.

The operation lever 13 may be provided at the front end of the frame 11 or may be provided at the rear end of the frame 11. In the embodiment shown in fig. 1 and 2, the operating lever 13 is provided at the front end of the frame 11, and the operating lever 13 is hinged with the front rail.

The operating lever 13 is hinged to the frame 11 so that the operating lever 13 can rotate between its initial position and a push-pull position.

In some embodiments, the driving unit 2 is disposed on the transmission rod 123, and the driving unit 2 drives the transmission rod 123 to rotate so that the rear wheel 122 rotates and advances, and the driving unit 2 and the transmission rod 123 are disposed in a manner of the prior art, which is omitted herein.

The driving unit 2 and the power supply unit 3 are positioned on different sides of the frame 11, so that the driving unit 2 and the power supply unit 3 are prevented from interfering with each other, the vehicle body 1 can be balanced, and the design is more convenient.

In some embodiments, the power supply unit 3 is disposed on the frame 11 on the same side as the operation lever 13, which is advantageous in shortening the wiring connection of the power supply unit 3 with the operation lever 13 and reducing the wiring length.

In a preferred embodiment, the front of the wheel 12 protrudes from the frame 11, and the first vertical surface S is a tangential plane where a point at the front of the wheel 12 is a tangential point, that is, the first vertical surface S is a tangential plane to the front end of the front wheel 121 in the vertical direction. The front end surface of the power supply unit 3 does not protrude from the first vertical surface S, the front end surface of the initial position of the operation lever 13 does not protrude from the first vertical surface S, and the front end surface of the power supply unit 3 does not protrude from the front end surface of the operation lever 13. In this arrangement, when the front end surface of the electrically driven cart collides with a vertical plane, the front end surface of the wheel 12 becomes the collision surface, and the power supply unit 3 and the operation lever 13 are less affected.

As shown in fig. 12, the power supply unit 3 includes a power supply portion for supplying power, and a first output interface 31 electrically connected to the power supply portion, the first output interface 31 being provided on the vehicle body 1, and the external electric device being adapted to obtain electric power of the power supply portion through the first output interface 31. When a user uses the electric drive trolley to transport objects, the electric drive trolley can charge the objects at the same time, so that the electric drive trolley can transport some devices needing frequent charging more conveniently, or electric equipment is convenient to move when working. In addition, when outdoor activities, after the electric drive handcart is used for carrying goods, the first output interface 31 of the electric drive handcart can be used as a power supply to provide electric energy for other outdoor equipment, so that the outdoor activities are facilitated.

In some embodiments, the first output interface 31 is provided on the frame 11 or the lever 13, which is convenient for the user to find and use.

The first output interface 31 is preferably configured as a direct current interface (DC interface) for most external consumers.

As shown in fig. 9, 10, and 13, the housing 30 of the power supply unit 3 includes a battery compartment 32, and a battery pack 33 detachably provided in the battery compartment 32. The upper end surface of the housing 30 has an opening adapted to mount and dismount the battery pack 33. The battery compartment 32 is provided with a power interface that is electrically connected to a power outlet 331 on the battery pack 33 to enable the battery pack 33 to be connected to the electrical circuitry of the electrically driven cart for providing electrical power.

The power interface of the battery compartment 32 is provided at the bottom of the battery compartment 32 opposite to the opening of the housing 30 to facilitate easy installation and removal of the battery pack 33 in the battery compartment 32.

In some embodiments, the battery pack 33 is provided with a power output port 331 and a second output interface 332, where the power output port 331 is configured to be electrically connected to the power interface of the battery compartment 32 when the battery pack 33 is disposed in the battery compartment 32, so that the battery pack 33 supplies power to the driving unit 2, and the second output interface 332 is exposed at the opening of the housing 30. The second output interface 332 is adapted to supply power to external electrical devices, so that a user can use some small electrical devices when pulling the electrically-driven cart to move, thereby improving the convenience of using the electrically-driven cart.

The second output interface 332 includes at least one 3C interface, such as a USB interface, a Type-C interface, or the like. The 3C product refers to a common name of computers, communication products and consumer electronics products, such as computers, tablet computers, mobile phones or digital audio players. By providing the second output interface 332 in the battery pack 33, the user can charge the mobile phone during transportation; or in outdoor activities such as outdoor camping, the electric drive trolley is used for transporting objects, and after the objects are transported, entertainment equipment such as a mobile phone, a flat plate or an audio player can be connected through the second output interface 332, so that the electric drive trolley is more convenient for outdoor activities.

As shown in fig. 9 and 10, the housing 30 of the power supply unit 3 is further provided with a power-on portion 34, and the power-on portion 34 can be turned on by a key, so that the driving unit 2 is in a state capable of being started. The power-on portion 34 is provided, so that a user having a key can start the electrically-driven handcart, and to a certain extent, the electrically-driven handcart can be prevented from being started by other people at will, and particularly, children can be prevented from using the electrically-driven handcart without caretaking the person.

The power-on portion 34 is electrically connected to the battery compartment 32 so that a user can control the power supply of the driving unit 2 by the battery pack 33 through the power-on portion 34. The arrangement of the power-on part 34 prevents the battery pack 33 from being inserted into the battery compartment 32 and simultaneously completes a circuit, thereby improving the safety of the electrically-driven handcart.

The power-on portion 34 is disposed on the housing 30 of the power supply unit 3, and the key insertion opening of the power-on portion 34 is located on the upper end surface of the housing 30, which is beneficial to the user to take the key and the battery pack 33 along with the use and the follow-up.

The power supply unit 3 further comprises a protective cover 35 which is connected with the shell 30 in an openable and closable manner, and the protective cover 35 is suitable for being covered on the upper end face of the shell 30.

The switching system 4 is electrically connected to the drive unit 2, the switching system 4 being adapted to emit the first electrical signal and the second electrical signal independently, and the drive unit 2 being adapted to start operation after receiving the first electrical signal and the second electrical signal.

The driving unit 2 is set to be that the starting condition is met after the first electric signal and the second electric signal are received, the starting condition of the driving unit 2 is additionally set, the probability of false starting is reduced, and the use safety is improved.

Specifically, the switching system 4 includes a first switch 41 configured to emit a first electric signal when operated by a user, and a second switch 42 configured to emit a second electric signal when the operation lever 13 is operated.

As shown in fig. 11, the operation lever 13 is provided with a handle end 131, a user can push and pull the vehicle body 1 by holding the handle end 131, and the first switch 41 is provided on the handle end 131 so that the user can operate the first switch 41 to transmit the first electric signal by holding the handle end 131.

The handle end 131 is further provided with a third switch 43 adjacent to the first switch 41, and the user can operate the first switch 41 and the third switch 43 simultaneously with one hand while holding the handle end 131.

When the electric drive handcart is used by a user, the stopping and starting of the handcart can be controlled by one hand, the other hand of the user is liberated, and when the electric drive handcart is used by the user for transportation, the other hand can perform operations such as calling or map guiding, and the operability and convenience of the electric drive handcart are improved.

The first switch 41 is electrically connected to the driving unit 2, and the driving unit 2 is in a state capable of being started after the first switch 41 is turned on. When the user operates the third switch 43, the first switch 41 may be turned on. The first switch 41 is configured to be in a state that the third switch 43 can be operated after being turned on, that is, the starting of the electrically-driven trolley at least needs to meet two conditions, firstly, the third switch 43 is turned on, secondly, the first switch 41 is turned on, so that the situation that when a user holds the handle end 131, the electrically-driven trolley is started due to mistaken touch can be effectively avoided, and meanwhile, when the third switch 43 is turned off, the user pulls the electrically-driven trolley manually, so that the safety is higher.

In some embodiments, the first switch 41 is disposed inside the handle end 131, and when the user holds the handle end 131, the palm or four fingers of the user are adapted to operate the first switch 41. The first switch 41 is provided at the palm position when the user holds the electric drive cart, and the user can continuously start the electric drive cart by only holding the palm in a tight state when using the electric drive cart, and the electric drive cart can be maintained for a long time without taking a great deal of effort.

In some embodiments, the third switch 43 is disposed on the side above the handle end 131, and the thumb of the user is adapted to operate the third switch 43 when the user holds the handle end 131. Typically, the third switch 43 is configured as a push switch, which is pushed on before the electrically driven cart is used and pushed off after the electrically driven cart is used, so that the electrically driven cart is arranged on the side of the handle end 131 close to the thumb of the user, and when the user holds the handle end 131 by his or her hand, the thumb can conveniently operate the third switch 43, so that the user can operate the electrically driven cart with one hand, and the holding posture is not required to be changed, and the operation is consistent.

In some embodiments, the handle end 131 is further provided with a fourth switch 44 for adjusting the speed of movement of the electrically driven cart. The motion speed of the electric drive handcart can be adjusted, so that a user can use the electric drive handcart more conveniently, the electric drive handcart can run rapidly if the electric drive handcart encounters a flat road without barriers, the motion speed needs to be reduced when the number of barriers or pedestrians is large and the road surface is uneven, the safety of the user is ensured, the electric drive handcart also encounters an ascending condition, the speed can be adjusted to be high, and the output power is increased to safely transport the ascending condition.

The fourth switch 44 is disposed below the first switch 41, so that the user can hold the handle 131, the palm of the user continuously presses the first switch 41, and the four fingers can stretch to toggle the fourth switch 44, so that the user can turn on, lock and regulate speed completely through one hand, the arrangement is humanized, the common use habit of the user is met, and the other hand of the user is released.

In some preferred embodiments, the fourth switch 44 is configured as a rolling stepless speed regulating switch, and the rolling direction of the fourth switch is consistent with the holding direction of the user, so that the user can conveniently and simply regulate the running speed of the electrically-driven handcart at any time in the holding process, and the convenience and safety of use are improved.

The second switch 42 is configured to be triggered when the operation lever 13 is operated by the user, so that the drive unit 2 is in a state capable of being started. When the operation lever 13 is operated by the user, the operation lever 13 is moved from its initial position to the push-pull position, and when the operation lever 13 is rotated forward from the initial position by an angle α, α >0 °.

The second switch 42 can be triggered only by the operation rod 13 configured to be rotated by a user, so that the situation that the user forgets to turn off the power switch can be effectively avoided, the electric drive trolley moves forward under the condition of unmanned operation, the movement of the electric drive trolley is ensured to be controlled manually to a certain extent, the safety of the electric drive trolley is effectively improved, and the probability of accidents is reduced.

Meanwhile, in the use of the front-stage handcart, the child finds that the interest of the handcart is great, and often climbs into the frame 11 to play the alarm, if the adult who uses the handcart leaves temporarily and forgets to turn off the power supply, the child can easily turn on the electrically-driven handcart when playing in the frame 11 of the electrically-driven handcart, so that a certain risk is brought; the utility model is provided with the second switch 42, so that when a child pulls the operating rod 13 in the frame 11 in the reverse direction, the electrically-driven trolley cannot be started, and the potential safety hazard of the child when playing nearby the electrically-driven trolley is reduced to a certain extent.

In some embodiments, the lever 13 is triggered when rotated from the initial position by an angle α of 5 ° < α <80 °, more preferably 10 ° < α <60 °. The rotation angle range of the operation lever 13 from the initial position is reduced, so that the triggering condition of the second switch 42 is more severe, and the use safety of the electrically-driven handcart is increased.

The second switch 42 is provided on the frame 11, and the operating lever 13 is provided with a trigger portion corresponding to the second switch 42 such that the trigger portion is moved toward or away from the second switch 42 when the operating lever 13 is rotated, and the second switch 42 is configured to be triggered when being contacted with or separated from the trigger portion.

In some embodiments, the second switch 42 is disposed near the hinge of the operating rod 13 and the frame 11, which is beneficial to timely signal transmission between the operating rod 13 and the second switch 42, and realizes accurate control of the rotation angle.

The electric drive trolley is provided with the detachable and separable battery pack 33, so that the battery pack 33 can be separated from the trolley body 1 to be charged independently, the electric drive trolley is prevented from being moved indoors during charging, the waste of manpower is reduced, and the time is saved; meanwhile, the standby battery pack 33 is conveniently used, and the battery pack 33 can conveniently supply power to other similar machines, so that the outdoor transportation and activities are greatly facilitated.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric drive handcart, comprising a handcart body, a drive unit and a power supply unit, wherein the drive unit is used for driving wheels of the handcart body to rotate, the power supply unit is used for supplying power to the drive unit,

the vehicle body includes a frame and an operating lever hinged to the frame such that the operating lever is adapted to rotate between an initial position and a push-pull position,

the electrically driven trolley further comprises a second switch electrically connected to the drive unit such that the drive unit is in a state enabling actuation when the second switch is actuated, the second switch being configured such that the lever is actuated when rotated by an angle α from the initial position, α >0 °.

2. Electrically driven trolley according to claim 1, characterized in that 5 ° < α <80 °.

3. Electrically driven trolley according to claim 2, characterized in that 10 ° < α <60 °.

4. The electrically driven cart of claim 1, wherein the second switch is disposed at a hinge of the lever and the frame;

or the second switch is arranged on the frame, and the operating rod is provided with a triggering part corresponding to the second switch.

5. The electrically driven cart of claim 1, wherein the power supply unit includes a battery compartment, the battery pack being adapted to be removably disposed within the battery compartment, the power supply unit being disposed on a same side of the frame as the lever.

6. An electrically driven trolley as claimed in claim 1, wherein said wheels comprise a pair of front wheels on a side closer to said lever and a pair of rear wheels on a side farther from said lever, said drive unit being arranged between a pair of said rear wheels for driving said rear wheels in rotation.

7. The electrically driven cart of claim 1, wherein the lever includes a first switch that is activated to activate the drive unit.

8. The electrically driven cart of claim 7, wherein said lever further comprises a third switch adjacent said first switch, said first switch being openable when said third switch is operated.

9. An electrically driven trolley according to any one of claims 1 to 8, wherein the frame is a collapsible frame such that the body is collapsible for storage.

10. An electric drive handcart, comprising a handcart body, a drive unit and a power supply unit, wherein the drive unit is used for driving wheels of the handcart body to rotate, the power supply unit is used for supplying power to the drive unit,

the vehicle body includes a frame and an operating lever hinged to the frame such that the operating lever is adapted to rotate between an initial position and a push-pull position;

the device further comprises a switch system electrically connected with the driving unit, wherein the switch system is suitable for independently sending out a first electric signal and a second electric signal, and the driving unit is suitable for being in a state capable of being started after receiving the first electric signal and the second electric signal.

11. Electrically driven trolley according to claim 10, characterized in that the second electrical signal is configured such that the operating lever is triggered by an angle α of rotation of the initial position, α >0 °.