WO2018010112A1

WO2018010112A1 - Connecting device for electric self-balancing vehicle and electric self-balancing vehicle for goods transportation

Info

Publication number: WO2018010112A1
Application number: PCT/CN2016/089878
Authority: WO
Inventors: 尚艳燕
Original assignee: 尚艳燕
Priority date: 2016-07-13
Filing date: 2016-07-13
Publication date: 2018-01-18

Abstract

A connecting device (100) for an electric self-balancing vehicle (200) and the electric self-balancing vehicle (200) for goods transportation. The electric self-balancing vehicle (200) comprises two vehicle bodies (210) and wheels (220) fixed on the vehicle bodies (210). The two vehicle bodies (210) are connected by a rotating mechanism, the rotating mechanism comprising a rotating shaft. The connecting device comprises a connecting part (120), a movable part (140) and a fixing part (110) used for fixing to the rotating shaft. One end of the connecting part (120) is detachably fixed to one end of the movable part (140) by means of threaded connection; the other end of the connecting part (120) is configured to be fixedly connected to a goods rack (300); the other end of the movable part (140) is detachably fixed to the fixing part (110) by means of a dowel (150); the movable part (140) can rotate along the dowel (150). The vehicle bodies (210) are provided with a movable groove (211) for movement of the movable part (140). The electric self-balancing vehicle is convenient for users to use and transport goods.

Description

Connecting device for electric balance car and electric balance car for pulling goods

[Technical Field]

The present invention relates to the field of balance vehicles, and more particularly to a connection device for an electric balance vehicle and an electric balance vehicle for pulling goods.

【Background technique】

Electric balance car, also known as body car, thinking car, its operation principle is mainly based on a basic principle called "dynamic stability", using the gyroscope and acceleration sensor inside the car body to detect the posture of the car body. Change and use the servo control system to accurately drive the motor to adjust accordingly to maintain the balance of the system.

There are two types of electric balance vehicles in the prior art. One type has an operating lever on the vehicle body, and the user stands on the pedal platform of the electric balance vehicle to operate the operating lever to advance, retreat and stop. Also known as "hand control." The other is that the car body is composed of two parts, and the left part and the right part are mutually rotated by the rotating mechanism, thereby realizing "foot control". See the electric balance twisting car of China Invention Patent Publication No. CN104029769A (publication date: 20140910), which is only used for user travel and has a single function.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a multifunctional connecting device for an electric balance car and an electric balance car for pulling goods.

The object of the present invention is achieved by the following technical solutions:

According to an aspect of the present invention, a connecting device for an electric balance vehicle includes a vehicle body and wheels fixed to the vehicle body, the vehicle body being two, two The vehicle body is connected by a rotating mechanism, the rotating mechanism includes a rotating shaft, and the connecting device includes a connecting member, a movable member and a fixing member for fixing to the rotating shaft, and one end of the connecting member and one end of the movable member pass through The threaded screw is detachably fixed, and the other end of the connecting member is fixedly connected to the shelf, The other end of the movable member is detachably fixed by a pin and a fixing member, and the movable member is rotatable along the pin, and the vehicle body is provided with a movable groove for the movable member to move.

Preferably, the movable member comprises a fixing block, a connecting rod and a screwing portion, the connecting rod is disposed between the fixing block and the screwing portion, and the fixing block is provided with a fixing hole for placing the pin The screwing portion is screwed and fixed to one end of the connecting member. This is a specific way of setting the movable member of the present invention.

Preferably, one end of the connecting member is provided with a screw joint, an outer surface of the screw joint is provided with an external thread, and the screwing portion is provided with a screwing groove for placing the screw joint, and the inner surface of the screwing groove is disposed There is an internal thread that is screwed to the external thread. This is a specific way of screwing the connector and the screw.

Preferably, one end of the connecting rod is fixed to the fixing block, and the other end of the connecting rod is provided with a limiting block, and the screwing portion is provided at the bottom of the screwing groove with a movable hole for being placed on the connecting rod body portion. The size of the limiting block is larger than the size of the movable hole, and the screwing portion is rotatable along the connecting rod body portion. This arrangement facilitates the rotation of the screw portion, thereby facilitating the screwing of the screw portion to the connector.

Preferably, the connecting rod is screwed onto the fixing block. The connecting rod is screwed to the fixing block, so that the connecting rod can be removed. When the connecting rod and the screwing portion are matched, the screwing rod is first removed from the fixing block, and the screwing portion is inserted into the connecting rod, and is limited. Positioned at the limit block, and then screw the connecting rod to the fixing block, so that the screwing portion is restrained between the limiting block and the fixing block, and then the fixing block can be fixed to the fixing member by the pin, and Rotating the screw to screw the screw to the connector. In this way, it is not necessary to rotate the entire movable member when fixing the connecting screw portion and the connecting member, and it is not necessary to rotate the entire connecting member, and only the screwing portion needs to be rotated to realize the fixed connection between the connecting member and the screwing portion, which is simple and convenient. easy to accomplish.

Preferably, one end of the connecting member is provided with a screwing groove, an inner surface of the screwing groove is provided with an internal thread, the screwing portion is for inserting into the screwing groove, and the outer surface of the screwing portion is disposed There is an external thread that is screwed to the internal thread. This is another way to securely connect the connector to the screw.

Preferably, the fixing member is provided with a placement groove for placing the fixing block. The placement groove acts as a limit on the fixing block, so that the fixing between the fixing block and the fixing member is more firm.

Preferably, the movable member comprises a fixing block and a screwing portion, and the fixing block is provided with a place for placing The fixing hole of the pin, the screwing portion is screwed and fixed to one end of the connecting member. This is another way to set up a moving piece.

Preferably, the fixing member is sleeved on the rotating shaft, and the fixing member is provided with a rotating hole for placing the rotating shaft, and the fixing member is rotatable along the rotating shaft. The splicing method is tightly connected, firmly fixed, not easy to sway, and has high strength. When the electric balance car drives the shelf, the fixing member can rotate around the rotating shaft, and the rotating shaft itself can also rotate relative to the vehicle body, thus achieving double rotation, when the electric balancing vehicle or the shelf encounters vibration and bumps, compared with only the rotating shaft By rotating to reduce the pressure, the embodiment can greatly reduce the pressure and friction, thereby increasing the life of the rotating shaft and the connecting device.

According to another aspect of the present invention, the present invention also discloses an electric balance vehicle for pulling goods, the electric balance vehicle for pulling goods comprising a vehicle body, a wheel fixed to the vehicle body, The vehicle body is two, two of the vehicle bodies are connected by a rotating mechanism, and the rotating mechanism includes a rotating shaft, and the electric balancing vehicle for pulling the cargo further includes the connecting device and the shelf as described above.

Compared with the prior art, the technical effect of the present invention is that the electric balance car of the present invention is connected to the shelf through the connecting device, so that the goods can be placed on the shelf, thereby facilitating the transportation of the goods. The connecting device of the present invention is fixed to the rotating shaft of the electric balance vehicle by a fixing member, connected to the shelf through the connecting member, and the fixing member and the connecting member are fixedly connected by the movable member. Wherein, the connecting piece and the movable piece are screwed and fixed for convenient disassembly and installation, thereby facilitating separation of the connecting piece and the movable piece. Wherein, the movable member and the fixing member are detachably and fixedly connected by the pin, which is convenient for disassembly and installation, thereby facilitating separation of the fixing member and the movable member. In this way, when the user needs the electric balance car to transport the goods, the connecting piece and the activity are screwed together, the connecting piece is connected to the shelf, and the movable part and the fixing part are fixedly connected by the pin, so that the electric balance car can drive the shelf. In order to transport the goods. When the user needs an electric balance car to travel, the user can directly remove the pin and separate the movable member from the fixed member so that the user can use the electric balance car body portion; however, the user can separate the screw portion of the movable member and the connecting member. The movable member and the connecting member are separated, so that the user carries the movable member and the fixing member when using the electric balancing vehicle; and the user can directly separate the connecting member from the shelf, so that the user can carry the electric balance car when using the electric balance car. Connect the device.

In addition, the movable member can be rotated by the pin as the axis, and the vehicle body is provided with an active slot for the movable member to move, so that the electric balance car can swing within the range of the movable slot during the pulling process, which is more convenient for the user to pull the goods.

The electric balance car of the invention realizes multi-function, which not only facilitates the user to pull the goods, but also is convenient for the user to use.

The invention can be fixedly connected to different shelves through the connecting member, the movable member and the fixing member of the connecting device, so that different kinds of goods can be transported, which is more convenient for the user to use.

[Description of the Drawings]

1 is a schematic view showing an electric balance vehicle connected to a shelf by a connecting device according to an embodiment of the present invention;

2 is another schematic view of an electric balance vehicle connected to a shelf through a connecting device according to an embodiment of the present invention;

3 is a schematic view showing the mounting and fixing of a fixing member to an electric balance vehicle according to an embodiment of the present invention;

4 is a schematic exploded view of a connecting device according to an embodiment of the present invention;

Fig. 5 is a schematic view showing the cooperation of another connecting device according to an embodiment of the present invention.

Wherein: 100, connecting device; 110, fixing member; 111, rotating hole; 112, pin hole; 113, placing groove; 120, connecting member; 121, screw joint; 122, connecting head; 130, nut; 141, fixed block; 1411, fixed hole; 142, screw joint; 143, connecting rod; 144, limit block; 150, pin; 200, electric balance car; 210, car body; 211, movable hole; Wheels; 300, shelves.

【detailed description】

The invention discloses a connecting device for an electric balance car and an electric balance car for pulling goods, wherein the electric balance car comprises a vehicle body and a wheel fixed on the vehicle body, and the vehicle body is two Two of the vehicle bodies are connected by a rotating mechanism, the rotating mechanism includes a rotating shaft, and the connecting device includes a connecting member, a movable member and a fixing member for fixing to the rotating shaft, the connecting member is at one end and movable One end of the piece is detachably fixed by screwing, and the other end of the connecting piece is fixedly connected to the shelf, The other end of the movable member is detachably fixed by a pin and a fixing member, and the movable member is rotatable about the pin, and the vehicle body is provided with a movable groove for the movable member to move.

The electric balance vehicle of the present invention is connected to the shelf by means of a connecting device so that the goods can be placed on the shelf to facilitate the transportation of the goods. The connecting device of the present invention is fixed to the rotating shaft of the electric balance vehicle by a fixing member, connected to the shelf through the connecting member, and the fixing member and the connecting member are fixedly connected by the movable member. Wherein, the connecting piece and the movable piece are screwed and fixed for convenient disassembly and installation, thereby facilitating separation of the connecting piece and the movable piece. Wherein, the movable member and the fixing member are detachably and fixedly connected by the pin, which is convenient for disassembly and installation, thereby facilitating separation of the fixing member and the movable member. In this way, when the user needs the electric balance car to transport the goods, the connecting piece and the activity are screwed together, the connecting piece is connected to the shelf, and the movable part and the fixing part are fixedly connected by the pin, so that the electric balance car can drive the shelf. In order to transport the goods. When the user needs an electric balance car to travel, the user can directly remove the pin and separate the movable member from the fixed member so that the user can use the electric balance car body portion; however, the user can separate the screw portion of the movable member and the connecting member. The movable member and the connecting member are separated, so that the user carries the movable member and the fixing member when using the electric balancing vehicle; and the user can directly separate the connecting member from the shelf, so that the user can carry the electric balance car when using the electric balance car. Connect the device.

The specific structural and functional details disclosed are merely representative and are for the purpose of describing exemplary embodiments of the invention. The present invention may, however, be embodied in many alternative forms and should not be construed as being limited only to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", The orientation or positional relationship of the indications "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the purpose of The invention is not limited by the scope of the invention, and is not intended to be a limitation of the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise stated. In addition, the term "comprises" and its variations are intended to cover a non-exclusive inclusion.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

The terminology used herein is for the purpose of describing the particular embodiments, The singular forms "a", "an", It is also to be understood that the terms "comprising" and """ Other features, integers, steps, operations, units, components, and/or combinations thereof.

The invention will now be described in further detail with reference to the drawings and preferred embodiments.

A connecting device for an electric balance vehicle and an electric balance car for pulling goods according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

As one embodiment of the present invention, as shown in FIG. 1 to FIG. 5, the present embodiment discloses a connection device for an electric balance vehicle, and the connection device 100 of the present embodiment is used for the electric balance vehicle 200. The electric balance vehicle 200 includes a vehicle body 210 and two wheels 220 fixed to the vehicle body 210. The vehicle body 210 is two, and the two vehicle bodies 210 are connected by a rotating mechanism. Including a rotating shaft (the rotating shaft is covered by a fixing member in the drawing, and therefore cannot be displayed), the connecting device 100 includes a connector 120, a movable member 140, and a fixing member 110 for fixing to the rotating shaft. One end of the connecting member 120 and one end of the movable member 140 are detachably fixed by screwing, and the other end of the connecting member 120 is fixed. Attached to the shelf 300, the other end of the movable member 140 is detachably fixed by a pin 150 and a fixing member 110, the movable member 140 is rotatable along the pin 150, and the vehicle body 210 is provided with the movable member 140. Active activity slot 211.

The electric balance vehicle of the present embodiment is connected to the shelf by a connecting device so that the goods can be placed on the shelf, thereby facilitating the transportation of the goods. The connecting device of the embodiment is fixed to the rotating shaft of the electric balance vehicle by a fixing member, connected to the shelf through the connecting member, and the fixing member and the connecting member are fixedly connected by the movable member. Wherein, the connecting piece and the movable piece are screwed and fixed for convenient disassembly and installation, thereby facilitating separation of the connecting piece and the movable piece. Wherein, the movable member and the fixing member are detachably and fixedly connected by the pin, which is convenient for disassembly and installation, thereby facilitating separation of the fixing member and the movable member. In this way, when the user needs the electric balance car to transport the goods, the connecting piece and the activity are screwed together, the connecting piece is connected to the shelf, and the movable part and the fixing part are fixedly connected by the pin, so that the electric balance car can drive the shelf. In order to transport the goods. When the user needs an electric balance car to travel, the user can directly remove the pin and separate the movable member from the fixed member so that the user can use the electric balance car body portion; however, the user can separate the screw portion of the movable member and the connecting member. The movable member and the connecting member are separated, so that the user carries the movable member and the fixing member when using the electric balancing vehicle; and the user can directly separate the connecting member from the shelf, so that the user can carry the electric balance car when using the electric balance car. Connect the device.

The electric balance vehicle of the embodiment realizes multi-function, which is convenient for the user to pull the goods and is convenient for the user to use.

In this embodiment, the connecting member, the movable member and the fixing member of the connecting device can be fixedly connected to different shelves, so that different kinds of goods can be transported, which is more convenient for the user to use.

In this embodiment, the fixing member 110 is sleeved on the rotating shaft, and the fixing member is provided with useful The rotating member 111 of the rotating shaft is disposed, and the fixing member is rotatable along the rotating shaft. In this embodiment, the direct socket connection method is adopted, and the socket connection method is tightly connected, firm and firm, and is not easy to cause shaking, and the strength is large.

In the embodiment, the movable member 140 includes a fixing block 141, a connecting rod 143 and a screwing portion 142. The connecting rod 143 is disposed between the fixing block 141 and the screwing portion 142. The fixing block 141 is disposed. A fixing hole 1411 for placing the pin 150 is disposed thereon, and the screwing portion 142 is screwed and fixed to one end of the connecting member 120. This is a specific way of setting the movable member of the present invention.

Specifically, one end of the connecting member 120 is provided with a screw joint 121, an outer surface of the screw joint 121 is provided with an external thread, and the screwing portion 142 is provided with a screwing groove for placing the screw joint 121, the screw The inner surface of the groove is provided with an internal thread that is screwed to the external thread. This is a specific way of screwing the connector and the screw. Of course, the screwing portion and the connecting member can also be screwed in other manners. For example, one end of the connecting member is provided with a screwing groove, and the inner surface of the screwing groove on the connecting member is provided with an internal thread. The screwing portion is for inserting into the screwing groove, and the outer surface of the screwing portion is provided with an external thread that is screwed to the internal thread.

The connecting rod 143 is fixed to the fixing block 141 at one end. Specifically, the connecting rod 143 is screwed and fixed to the fixing block 141, so that the connecting rod 143 and the fixing block are detachably fixed. The other end of the connecting rod 143 is provided with a limiting block 144. The screwing portion 142 is provided at the bottom of the screwing groove with a movable hole for being placed on the body portion of the connecting rod 143. The size of the limiting block 144 is larger than that of the connecting rod 143. The size of the movable hole is such that the screw portion is limited to the connecting rod body portion. The screwing portion 142 can be rotated along the body portion of the connecting rod 143, so that the screwing portion can be easily rotated, thereby facilitating the screwing of the screwing portion to the connecting member.

The connecting rod of the embodiment is screwed onto the fixing block, and the connecting rod is screwed to the fixing block, so that the connecting rod can be removed, and when the connecting rod and the screwing portion are matched, the screwing rod is firstly fixed from the fixing block. Remove, insert the screw into the connecting rod and limit it to the position of the limiting block, then screw the connecting rod to the fixing block, so that the screw is constrained between the limiting block and the fixed block. The fixing block can then be fixed to the fixing member by means of a pin, and the screwing portion can be screwed onto the connecting piece. In this way, it is not necessary to rotate the entire movable member when fixing the connecting screw portion and the connecting member, and it is not necessary to rotate the entire connecting member, and only the screwing portion needs to be rotated to realize the fixed connection between the connecting member and the screwing portion, which is simple and convenient. easy to accomplish.

In the embodiment, the fixing member 110 is provided with a placement groove 113 for placing the fixing block 141. The placement groove 113 limits the fixing block 141 so that the fixing between the fixing block and the fixing member is stronger. Wherein, pin holes 112 for placing pins are disposed at the top and bottom of the placement groove. Of course, this embodiment can provide pin holes only on the top or top of the placement trough.

This is the preferred manner of setting the movable member in this embodiment. Of course, the movable member can also be configured into other structures. For example, referring to FIG. 5, the movable member includes a fixing block and a screwing portion, and the movable member is In the embodiment, the movable member only includes the fixing block and the screwing portion, and the fixing block and the screwing portion are integrally formed. However, the fixing block and the screwing portion may also be detachably fixed. In this manner, the fixing block is provided with a fixing hole for placing the pin, and the screwing portion is screwed and fixed to one end of the connecting member. For the specific structure in which the screwing portion and the connecting member of the device are screwed together, the structure between the screwing portion and the connecting member can be referred to.

In this embodiment, the movable bodies 211 are disposed on both of the vehicle bodies. In the embodiment, when the screwing portion and the connecting member are separated, the screwing portion and the connecting rod can be placed into one of the movable slots, so that the movable member is not required to be disassembled, thereby facilitating the user to use the electric balancing vehicle to travel.

In this embodiment, the other end of the connecting member is detachably fixed to the shelf by screwing. In this embodiment, a threaded hole can be directly disposed on the shelf to screw the other end of the connecting member directly to the shelf. Certainly, the embodiment may also have other fixing manners, for example, the other end of the connecting member 120 is provided with a connecting head 122 for screwing onto the shelf 300, and the connecting device 100 further includes a screwing device. a nut 130 on the connector. The nut 130 and the connector are screwed and fixed, so that the connector and the shelf are firmly fixed, the strength is large, and the disassembly is convenient.

In this embodiment, both ends of the connecting member have a bent structure, and two bent portions are respectively formed, so that the connecting member is fixedly connected with the movable member, and the connecting member is fixedly connected to the shelf.

In this embodiment, when the electric balance car drives the shelf, the fixing member can rotate around the rotating shaft, and the rotating shaft itself can also rotate relative to the vehicle body, thereby achieving double rotation, when the electric balancing vehicle or the shelf encounters vibration and bumps. In this embodiment, the pressure and friction can be greatly reduced, thereby increasing the life of the rotating shaft and the connecting device, compared to the manner of decompressing only by the rotation of the rotating shaft.

In this embodiment, the electric balance vehicle further includes a circuit board, a battery, a drive motor, and a controller disposed in the vehicle body.

Wherein, the vehicle body comprises:

The upper case includes a first upper case and a second upper case symmetrically disposed, and the first upper case and the second upper case are respectively provided with pedal holes;

a pedal, the pedal is two, respectively disposed in the pedal holes of the first upper shell and the second upper shell;

a middle case, the middle case including a first middle case and a second middle case which are symmetrically disposed and mutually rotatable;

a lower case, the lower case includes a first lower case and a second lower case symmetrically disposed, the middle case being located between the upper case and the lower case;

In this embodiment, the first middle case and the second middle case are fixedly connected by the rotating mechanism, and the first middle case and the second middle case are mutually rotatable by the rotating mechanism.

In this embodiment, the vehicle body is two, and one of the vehicle bodies includes a first upper casing, a first middle casing, a first lower casing, and one of the pedals; wherein the other vehicle body includes a second upper casing and a second middle The shell, the second lower shell, and the other of the pedals.

Wherein the rotating mechanism is disposed at an intermediate position of the connection position of the first middle case and the second middle case, the rotating mechanism includes a rotating shaft, two bearings and a limiting shaft, and the two ends of the rotating shaft are respectively fixed in the first An inner end of the shell and the second middle shell, the two bearings are fixed on the rotating shaft and fixed between the first middle shell and the second middle shell by a snap spring, so that the first middle shell and the second middle shell of the middle shell can be Rotate with the cooperation of the rotating mechanism. In addition, the limit axis serves as a limit fixing.

It should be noted that the rotating mechanism, the circuit board, the battery, the driving motor and the controller can be used in the prior art, such as the prior art given in the background art, and will not be further described herein.

As a second embodiment of the present invention, referring to FIG. 1 to FIG. 5, the second embodiment discloses an electric balance vehicle for pulling goods. The electric balance vehicle for pulling goods includes a vehicle body and is fixed to the vehicle. The wheel on the body, the body of the vehicle is two, the two bodies are connected by a rotating mechanism, and the rotating mechanism comprises a rotating shaft. The electric balancing vehicle of the embodiment further comprises a connecting device and a shelf, wherein the connecting device can be seen Embodiment 1, That is, see the connecting device in FIGS. 1 to 5. For other structures such as shelves, please refer to the structures in FIG. 1 to FIG. 5. In addition, this embodiment only shows the structure of a shelf. This embodiment does not limit the specific structure of the shelf. The car can drive different structures and different types of shelves.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

A connecting device for an electric balance car, the electric balance car comprising a vehicle body and a wheel fixed on the vehicle body, the car body being two, and the two car bodies are connected by a rotating mechanism The rotating mechanism includes a rotating shaft, wherein the connecting device comprises a connecting member, a movable member and a fixing member for fixing to the rotating shaft, and one end of the connecting member and one end of the movable member are detachably fixed by screwing. The other end of the connecting member is fixedly connected to the shelf, the other end of the movable member is detachably fixed by a pin and a fixing member, the movable member is rotatable along the pin, and the vehicle body is provided with the activity Activity slot for activities.
A connecting device for an electric balance vehicle according to claim 1, wherein the movable member comprises a fixing block, a connecting rod and a screwing portion, and the connecting rod is disposed on the fixing block and the screwing Between the portions, the fixing block is provided with a fixing hole for placing the pin, and the screwing portion is screwed and fixed to one end of the connecting member.
The connecting device for an electric balance car according to claim 2, wherein one end of the connecting member is provided with a screw joint, and an outer surface of the screw joint is provided with an external thread, and the screw portion is provided with useful The screw groove of the screw joint is disposed, and the inner surface of the screw groove is provided with an internal thread that is screwed to the external thread.
A connecting device for an electric balance car according to claim 3, wherein one end of the connecting rod is fixed to the fixing block, and the other end of the connecting rod is provided with a limiting block, and the screwing portion is The bottom of the screw groove is provided with a movable hole for being placed on the connecting rod body portion, the size of the limiting block is larger than the size of the movable hole, and the screw portion is rotatable along the connecting rod body portion.
A connecting device for an electric balance vehicle according to claim 4, wherein said connecting rod is screwed onto said fixed block.
The connecting device for an electric balance car according to claim 2, wherein one end of the connecting member is provided with a screwing groove, and an inner surface of the screwing groove is provided with an internal thread, and the screwing portion is For inserting into the screw groove, the outer surface of the screw portion is provided with an external thread that is screwed to the internal thread.
A connecting device for an electric balance vehicle according to claim 2, wherein said fixing member is provided with a placement groove for placing said fixing block.
A connecting device for an electric balance vehicle according to claim 1, wherein the movable member comprises a fixing block and a screwing portion, and the fixing block is provided with a fixing hole for placing the pin, The screwing portion is screwed and fixed to one end of the connecting member.
A connecting device for an electric balance vehicle according to any one of claims 1 to 8, wherein the fixing member is sleeved on the rotating shaft, and the fixing member is provided with a rotating shaft for placing the rotating shaft The rotating hole, the fixing member is rotatable along the rotating shaft.
An electric balance car for pulling goods, the electric balance car for pulling goods comprises a vehicle body, a wheel fixed on the vehicle body, the car body is two, and the two car bodies pass The rotating mechanism is coupled to the rotating shaft, and the electric balancing vehicle for pulling the cargo further comprises the connecting device and the shelf according to any one of claims 1 to 9.