Device for quickly connecting hooks on two sides of electric bicycle head

Abstract

The invention relates to the technical field of wheelchairs, and particularly discloses an electric vehicle head two-side quick connection hook device which comprises a vehicle head assembly, a connection assembly and a wheelchair assembly, one end of the connection assembly is connected to the vehicle head assembly, and the other end of the connection assembly is connected to the wheelchair assembly; an adjusting assembly is detachably arranged on the headstock assembly, the two sides of the connecting assembly are each provided with a clamping assembly, each clamping assembly comprises a mounting plate, a rotating pull piece and a pull wire buckle, one end of each pull wire buckle is fixedly connected to the corresponding mounting plate, each rotating pull piece is located at the lower end of the corresponding pull wire buckle, and a lower control wire is fixedly arranged on each rotating pull piece; and the lower control line is fixedly connected to the line pulling buckle. The angle between the electric vehicle head and the wheelchair can be adjusted, and the angle and the width of the connecting assembly can be adjusted, so that different types of wheelchairs can be mounted.

Description

Technical Field

[0001] The invention relates to the technical field of wheelchairs, and in particular to a quick-connect hook device on both sides of an electric vehicle head. Background Art

[0002] There are many types of wheelchairs with various functions, including ordinary wheelchairs, high-back reclining wheelchairs, electric wheelchairs, toilet wheelchairs and standing wheelchairs. Electric wheelchairs are mainly used by people with high paraplegia or hemiplegia who can control the wheelchair with one hand, and have become a means of transportation for the disabled and the elderly. In outdoor or large event venues, when there is no one to push the wheelchair, the electric wheelchair can expand the range of activities of such people and save physical strength. Since electric wheelchairs work indoors most of the time and do not need to use the electric function, the front of the electric wheelchair is generally a detachable structure, which can facilitate the placement of the wheelchair indoors.

[0003] The current existing technology still has the following areas for improvement: there is usually an irreversible fixed connection problem between the existing electric vehicle head and the wheelchair, and the user cannot adjust the angle between the electric vehicle head and the wheelchair body according to their own comfort preferences or specific environmental requirements, which limits the flexibility and adaptability of use. The angle and width of the connecting parts are also often standardized and do not have the ability to be adjusted for different types of wheelchairs, which leads to inconveniences and limitations that may be encountered when trying to install or adapt wheelchairs of different specifications. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a quick-connect hook device on both sides of the electric vehicle head, which can adjust the angle between the electric vehicle head and the wheelchair, and can adjust the angle and width of the connecting component to install different types of wheelchairs.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A quick-connect hook device on both sides of an electric vehicle head, comprising a head assembly, a connection assembly and a wheelchair assembly, wherein one end of the connection assembly is connected to the head assembly, and the other end of the connection assembly is connected to the wheelchair assembly;

[0007] An adjustment component is detachably provided on the front assembly, and a clamping component is respectively provided on both sides of the connecting assembly, and the clamping component includes a mounting plate, a rotating pull tab and a wire buckle, one end of the wire buckle is fixedly connected to the mounting plate, the rotating pull tab is located at the lower end of the wire buckle, and a lower control line is fixedly provided on the rotating pull tab, and the lower control line is fixedly connected to the wire buckle.

[0008] Furthermore, the clamping assembly further comprises a control member, a rotating plate, a hook plate and a connecting plate, one side of the hook plate is fixedly connected to an end of the mounting plate close to the wire buckle, and one end of the connecting plate is rotatably connected to the hook plate;

[0009] One side of the control component is fixedly connected to one end of the mounting plate close to the wire buckle, the rotating piece is located inside the control component, and one end of the connecting piece away from the hook piece is rotatably connected to the control component via a rotating pin, and the rotating pin is located in a C-shaped groove provided in the control component, the rotating piece is fixedly connected to the rotating pin, and a spring is provided between the rotating pull piece and the wire buckle, and the spring is sleeved on the lower control line.

[0010] Furthermore, one end of the rotating piece away from the control member is rotatably connected to the lower end of the rotating pull piece, and a wheelchair clamp is fixedly provided on one side of the connecting piece away from the hook piece.

[0011] Furthermore, the connection assembly includes a connection interface, a connection clamp, a connection rod and two adjustment arms, the connection interface is fixedly connected to the upper end of the connection clamp through a bending sheet, the connection clamp is detachably connected to the connection rod, the other end of the connection clamp is slidably provided with a connection piece, and the connection piece and the connection clamp are connected by a connection pin;

[0012] The two ends of the connecting rod are respectively rotatably connected to an adjusting arm, the other end of each adjusting arm is rotatably provided with a deflection arm, and an adjusting plate is fixedly provided on both sides of one end of each mounting plate, and every two adjusting plates are rotatably connected to the inside of one deflection arm.

[0013] Furthermore, the upper end of the connection interface is connected to the adjustment component, and the lower end of the connection interface is connected to the two pull wire buckles through the lower control line.

[0014] Furthermore, a fixing hole and an adjusting hole are respectively formed at two ends of each adjusting arm, and the adjusting holes are arc-shaped structures.

[0015] Furthermore, the adjustment assembly includes an adjustment connecting rod, an adjustment upper clamp and a finger-shift handle, the finger-shift handle is rotatably connected to the adjustment connecting rod, the lower end of the adjustment connecting rod is fixedly connected to the adjustment upper clamp, the lower end of the adjustment upper clamp is provided with an adjustment lower clamp, and the adjustment upper clamp and the adjustment lower clamp are fixedly connected by rotating a knob.

[0016] Furthermore, a guide port is fixedly provided at one end of the adjusting connecting rod, an upper control line is fixedly provided at one end of the finger shifting handle, the upper control line is fixedly connected in the guide port, the other end of the guide port is fixedly connected to the upper end of the connecting interface, the upper end of the connecting interface, the upper control line and the lower control line form a one-to-two wire puller.

[0017] Furthermore, the front assembly includes a front support rod, a power storage box and a front wheel, the power storage box is fixedly connected to one side of the front support rod, the lower end of the front support rod is rotatably connected to the front wheel, the upper end of the front support rod is rotatably provided with a front handle, a display screen is fixedly provided on the front handle, an auxiliary support wheel is fixedly provided behind the front wheel, and the connecting piece is fixedly connected to the side of the front support rod away from the power storage box.

[0018] Furthermore, the wheelchair assembly includes a wheelchair seat, a wheelchair support frame and two wheelchair wheels, the wheelchair seat is fixedly connected to the upper end of the wheelchair support frame, the two wheelchair wheels are rotatably connected to both sides of the wheelchair support frame, a wheelchair armrest is fixedly provided on both sides of the wheelchair seat, a foot pedal is fixedly provided at the lower end of the wheelchair support frame, a front support wheel is rotatably provided on both sides in front of the lower end of the wheelchair support frame, and a rear support wheel is rotatably provided on both sides of the rear of the lower end of the wheelchair support frame.

[0019] The beneficial effects of the present invention are:

[0020] (1) By setting the adjustment component, the technical effect that can be achieved is that the finger lever is rotatably connected to the adjustment connecting rod, the lower end of the adjustment connecting rod is fixedly connected to the upper adjustment clamp, the lower end of the upper adjustment clamp is provided with the lower adjustment clamp, the upper adjustment clamp and the lower adjustment clamp are fixedly connected by rotating the knob, one end of the adjustment connecting rod is fixedly provided with a guide port, one end of the finger lever is fixedly provided with an upper control line, the upper control line is fixedly connected to the guide port, and the other end of the guide port is fixedly connected to the upper end of the connection interface;

[0021] The adjustment component enables the user to adjust the angle between the electric vehicle front and the wheelchair. The user only needs to gently turn the thumb handle to adjust the angle between the electric vehicle front and the wheelchair, so that under different road conditions or user needs, the user can quickly and accurately find the appropriate driving or riding angle to improve comfort and safety.

[0022] (2) By setting the clamping assembly, the technical effect that can be achieved is that one end of the cable buckle is fixedly connected to the mounting plate, the rotating pull piece is located at the lower end of the cable buckle, a lower control line is fixedly arranged on the rotating pull piece, and the lower control line is fixedly connected to the cable buckle, one side of the hook piece is fixedly connected to the end of the mounting plate close to the cable buckle, one end of the connecting piece is rotatably connected to the hook piece, one side of the control member is fixedly connected to the end of the mounting plate close to the cable buckle, the rotating piece is located inside the control member, and the end of the connecting piece away from the hook piece is rotatably connected to the control member through a rotating pin, the rotating pin is located in a C-shaped groove provided in the control member, and the rotating piece is fixedly connected to the rotating pin;

[0023] The clamping assembly can adjust the angle between the electric vehicle head and the wheelchair. The user can accurately adjust the angle between the electric vehicle head and the wheelchair through simple operation. The opening of the C-shaped groove not only provides sufficient rotation space for the rotating piece, but also limits the excessive movement of the rotating pin through its special shape, thereby ensuring the smoothness and safety of the entire adjustment process.

[0024] (3) By setting the connection assembly, the technical effect that can be achieved is that the connection interface is fixedly connected to the upper end of the connection clamp through the bending plate, the connection clamp is detachably connected to the connection rod, the other end of the connection clamp is slidably provided with a connection piece, the connection piece and the connection clamp are connected by a connection pin, the two ends of the connection rod are respectively rotatably connected to an adjustment arm, the other end of each adjustment arm is rotatably provided with a deflection arm, one end of each mounting plate is fixedly provided with an adjustment piece on both sides, and each two adjustment pieces are rotatably connected to the inside of a deflection arm;

[0025] The connecting component can adjust the angle and width of the connecting component to install different types of wheelchairs, thereby improving the convenience and stability of the combination of the electric head and the wheelchair. The user can quickly complete the angle and width adjustment of the connecting component through simple rotation and adjustment, without the need for complex tools or professional knowledge, greatly facilitating the user's operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0027] Figure 1 It is a front view of the present invention;

[0028] Figure 2 A top view of the present invention;

[0029] Figure 3 is a first stereogram of the present invention;

[0030] Figure 4 is a second stereogram of the present invention;

[0031] Figure 5 is a first stereoscopic view of the vehicle head assembly of the present invention;

[0032] Figure 6 is a second stereoscopic view of the vehicle head assembly of the present invention;

[0033] Figure 7 is a first stereoscopic view of the adjustment assembly of the present invention;

[0034] Figure 8 is a second stereoscopic view of the adjustment assembly of the present invention;

[0035] Fig. 9 is a first stereoscopic view of the connection assembly of the present invention;

[0036] Fig.10 is a second stereoscopic view of the connection assembly of the present invention;

[0037] Fig.11 is a first stereoscopic view of the clamping assembly of the present invention;

[0038] Fig.12 is a second stereoscopic view of the clamping assembly of the present invention;

[0039] Fig.13 is a third stereoscopic view of the clamping assembly of the present invention;

[0040] Fig.14 It is a stereoscopic diagram of the deflection arm, the mounting plate and the adjustment sheet in the present invention;

[0041] Description of reference numerals:

[0042] In the figure: 1, front assembly; 11, front handle; 12, front support rod; 13, power storage box; 14, front wheel; 15, auxiliary support wheel; 16, display screen;

[0043] 2. Connecting assembly; 21. Lower control line; 22. Connecting interface; 23. Bending sheet; 24. Connecting piece; 25. Connecting pin; 26. Connecting clamp; 27. Connecting rod; 28. Adjusting arm; 29. ​​Deflecting arm; 210. Mounting plate; 211. Wheelchair clamp; 212. Cable buckle; 213. Rotating sheet; 214. Rotating pull sheet; 215. Control piece; 216. Draw hook sheet; 217. Connecting piece; 218. Spring; 219. Adjusting sheet;

[0044] 3. Adjustment assembly; 31. Upper control line; 32. Guide port; 33. Finger handle; 34. Adjust the upper clamp; 35. Turn the knob; 36. Adjust the connecting rod; 37. Adjust the lower clamp;

[0045] 4. Wheelchair assembly; 41. Wheelchair armrests; 42. Wheelchair seat; 43. Wheelchair wheels; 44. Wheelchair support frame; 45. Front support wheel; 46. Foot pedal; 47. Rear support wheel. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0047] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0048] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0049] Reference Figures 1 to 14 , is a quick-connect hook device on both sides of an electric vehicle front end disclosed by the present invention, comprising a front end assembly 1, a connecting assembly 2 and a wheelchair assembly 4, one end of the connecting assembly 2 is connected to the front end assembly 1, and the other end of the connecting assembly 2 is connected to the wheelchair assembly 4.

[0050] An adjustment component 3 is detachably provided on the front component 1, and a clamping component is respectively provided on both sides of the connecting component 2, the clamping component includes a mounting plate 210, a rotating pull tab 214 and a wire buckle 212, one end of the wire buckle 212 is fixedly connected to the mounting plate 210, the rotating pull tab 214 is located at the lower end of the wire buckle 212, and a lower control line 21 is fixedly provided on the rotating pull tab 214, and the lower control line 21 is fixedly connected to the wire buckle 212.

[0051] The clamping assembly also includes a control member 215 , a rotating plate 213 , a hook plate 216 and a connecting plate 217 . One side of the hook plate 216 is fixedly connected to one end of the mounting plate 210 close to the wire buckle 212 , and one end of the connecting plate 217 is rotatably connected to the hook plate 216 .

[0052] One side of the control member 215 is fixedly connected to one end of the mounting plate 210 close to the wire buckle 212, the rotating piece 213 is located inside the control member 215, and the end of the connecting piece 217 away from the hook piece 216 is rotatably connected to the control member 215 through a rotating pin, and the rotating pin is located in a C-shaped groove provided in the control member 215, the rotating piece 213 is fixedly connected to the rotating pin, and a spring 218 is provided between the rotating pull tab 214 and the wire buckle 212, and the spring 218 is sleeved on the lower control line 21.

[0053] One end of the rotating piece 213 away from the control member 215 is rotatably connected to the lower end of the rotating pull piece 214 , and a wheelchair clamp 211 is fixedly provided on one side of the connecting piece 217 away from the hook piece 216 .

[0054] The clamping assembly can adjust the angle between the electric vehicle head and the wheelchair. The user can accurately adjust the angle between the electric vehicle head and the wheelchair through simple operation. The opening of the C-shaped groove not only provides sufficient rotation space for the rotating piece 213, but also limits the excessive movement of the rotating pin through its special shape, thereby ensuring the smoothness and safety of the entire adjustment process.

[0055] The connecting component 2 includes a connecting interface 22, a connecting clamp 26, a connecting rod 27 and two adjusting arms 28. The connecting interface 22 is fixedly connected to the upper end of the connecting clamp 26 through a bending piece 23. The connecting clamp 26 is detachably connected to the connecting rod 27. The other end of the connecting clamp 26 is slidably provided with a connecting piece 24. The connecting piece 24 and the connecting clamp 26 are connected by a connecting pin 25.

[0056] The two ends of the connecting rod 27 are respectively rotatably connected to an adjusting arm 28, and the other end of each adjusting arm 28 is rotatably provided with a deflection arm 29. An adjusting piece 219 is fixedly provided on both sides of one end of each mounting plate 210, and every two adjusting pieces 219 are rotatably connected to the inside of a deflection arm 29. Adjusting teeth are provided on the outer side of the adjusting piece 219, and the adjusting teeth cooperate with the inner wall of the deflection arm 29. The adjusting piece 219 can be rotated to adjust the rotation angle of the clamping assembly.

[0057] The upper end of the connection interface 22 is connected to the adjustment component 3 , and the lower end of the connection interface 22 is connected to two cable buckles 212 through the lower control line 21 .

[0058] A fixing hole and an adjusting hole are respectively formed at two ends of each adjusting arm 28, and the adjusting holes are arc-shaped structures.

[0059] The connecting component 2 can adjust the angle and width of the connecting component 2 to install different types of wheelchairs, thereby improving the convenience and stability of the combination of the electric head and the wheelchair. The user can quickly complete the angle and width adjustment of the connecting component 2 through simple rotation and adjustment, without the need for complicated tools or professional knowledge, greatly facilitating the user's operation.

[0060] The adjustment assembly 3 includes an adjustment connecting rod 36, an adjustment upper clamp 34 and a finger-shifting handle 33. The finger-shifting handle 33 is rotatably connected to the adjustment connecting rod 36. The lower end of the adjustment connecting rod 36 is fixedly connected to the adjustment upper clamp 34. The lower end of the adjustment upper clamp 34 is provided with an adjustment lower clamp 37. The adjustment upper clamp 34 and the adjustment lower clamp 37 are fixedly connected by rotating a knob 35.

[0061] A guide opening 32 is fixedly provided at one end of the adjusting link 36, an upper control line 31 is fixedly provided at one end of the finger-shifting handle 33, the upper control line 31 is fixedly connected in the guide opening 32, the other end of the guide opening 32 is fixedly connected to the upper end of the connecting interface 22, the upper end of the connecting interface 22, the upper control line 31 and the lower control line 21 form a one-to-two wire puller.

[0062] The adjustment component 3 enables the user to adjust the angle between the electric vehicle head and the wheelchair. The user only needs to gently turn the finger handle 33 to adjust the angle between the electric vehicle head and the wheelchair, so that under different road conditions or user needs, the user can quickly and accurately find a suitable driving or riding angle to improve comfort and safety.

[0063] The front assembly 1 includes a front support rod 12, a power storage box 13 and a front wheel 14. The power storage box 13 is fixedly connected to one side of the front support rod 12, the lower end of the front support rod 12 is rotatably connected to the front wheel 14, the upper end of the front support rod 12 is rotatably provided with a front handle 11, the front handle 11 is fixedly provided with a display screen 16, an auxiliary support wheel 15 is fixedly provided behind the front wheel 14, and a connecting piece 24 is fixedly connected to the side of the front support rod 12 away from the power storage box 13.

[0064] The wheelchair assembly 4 includes a wheelchair seat 42, a wheelchair support frame 44 and two wheelchair wheels 43. The wheelchair seat 42 is fixedly connected to the upper end of the wheelchair support frame 44. The two wheelchair wheels 43 are rotatably connected to both sides of the wheelchair support frame 44. A wheelchair armrest 41 is fixedly provided on both sides of the wheelchair seat 42. A foot pedal 46 is fixedly provided on the lower end of the wheelchair support frame 44. A front support wheel 45 is rotatably provided on both sides of the lower end of the wheelchair support frame 44. A rear support wheel is rotatably provided on both sides of the lower end of the wheelchair support frame 44.

[0065] The working principle and use process of the present invention are as follows: the connecting member 24 is fixedly connected to a suitable position on the front support rod 12, and the two wheelchair clamps 211 are respectively clamped on both sides of the front end of the wheelchair support frame 44, and the angle between the connecting rod 27 and the two adjustment arms 28 is rotated to adjust the width of the connecting assembly 2, and the angle between the deflection arm 29 and the two adjustment arms 28 is adjusted to adjust the horizontal angle of the clamping assembly;

[0066] When the angle between the front assembly 1 and the wheelchair assembly 4 needs to be adjusted, the finger-shift handle 33 is turned to drive the upper control line 31 to move upward, and the upper control line 31 drives the two lower control lines 21 to move upward, pulling the rotating pull tab 214 to rotate, driving the rotating plate 213 to rotate along the rotating pin, driving the connecting plate 217 to rotate, and driving the wheelchair clamp 211 to rotate. Since the wheelchair clamp 211 is connected to the wheelchair assembly 4, it can drive the wheelchair assembly 4 to be adjusted.

[0067] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A quick-connect hook device on both sides of an electric vehicle head, characterized by: It comprises a vehicle head assembly (1), a connection assembly (2) and a wheelchair assembly (4), wherein one end of the connection assembly (2) is connected to the vehicle head assembly (1), and the other end of the connection assembly (2) is connected to the wheelchair assembly (4); The front assembly (1) is detachably provided with an adjustment assembly (3), and a clamping assembly is respectively provided on both sides of the connection assembly (2), and the clamping assembly comprises a mounting plate (210), a rotating pull tab (214) and a wire buckle (212), one end of the wire buckle (212) is fixedly connected to the mounting plate (210), the rotating pull tab (214) is located at the lower end of the wire buckle (212), and a lower control line (21) is fixedly provided on the rotating pull tab (214), and the lower control line (21) is fixedly connected to the wire buckle (212).

2. The electric vehicle head quick connection hook device according to claim 1, characterized in that: The clamping assembly further comprises a control member (215), a rotating plate (213), a hook plate (216) and a connecting plate (217), one side of the hook plate (216) is fixedly connected to one end of the mounting plate (210) close to the wire buckle (212), and one end of the connecting plate (217) is rotatably connected to the hook plate (216); One side of the control member (215) is fixedly connected to one end of the mounting plate (210) close to the drawstring buckle (212); the rotating piece (213) is located inside the control member (215); one end of the connecting piece (217) away from the draw hook piece (216) is rotatably connected to the control member (215) via a rotating pin; the rotating pin is located in a C-shaped groove provided in the control member (215); the rotating piece (213) is fixedly connected to the rotating pin; a spring (218) is provided between the rotating pull piece (214) and the drawstring buckle (212); and the spring (218) is sleeved on the lower control line (21).

3. The electric vehicle head quick connection hook device according to claim 2, characterized in that: One end of the rotating piece (213) away from the control member (215) is rotatably connected to the lower end of the rotating pull piece (214), and a wheelchair clamp (211) is fixedly provided on one side of the connecting piece (217) away from the pull hook piece (216).

4. The electric vehicle head quick connection hook device according to claim 2, characterized in that: The connecting assembly (2) comprises a connecting interface (22), a connecting clamp (26), a connecting rod (27) and two adjusting arms (28); the connecting interface (22) is fixedly connected to the upper end of the connecting clamp (26) via a bending sheet (23); the connecting clamp (26) is detachably connected to the connecting rod (27); a connecting piece (24) is slidably provided at the other end of the connecting clamp (26); the connecting piece (24) and the connecting clamp (26) are connected via a connecting pull pin (25); The two ends of the connecting rod (27) are rotatably connected to an adjusting arm (28), and the other end of each adjusting arm (28) is rotatably provided with a deflection arm (29). An adjusting piece (219) is fixedly provided on both sides of one end of each mounting plate (210), and each two adjusting pieces (219) are rotatably connected to the inside of one deflection arm (29).

5. The electric vehicle head quick connection hook device according to claim 4, characterized in that: The upper end of the connection interface (22) is connected to the adjustment component (3), and the lower end of the connection interface (22) is connected to the two cable buckles (212) via the lower control line (21) respectively.

6. The electric vehicle head quick connection hook device according to claim 4, characterized in that: Each of the adjusting arms (28) is provided with a fixing hole and an adjusting hole at both ends, respectively, and the adjusting holes are arc-shaped structures.

7. The electric vehicle head quick connection hook device according to claim 5, characterized in that: The adjustment assembly (3) comprises an adjustment connecting rod (36), an adjustment upper clamp (34) and a finger-shifting handle (33); the finger-shifting handle (33) is rotatably connected to the adjustment connecting rod (36); the lower end of the adjustment connecting rod (36) is fixedly connected to the adjustment upper clamp (34); the lower end of the adjustment upper clamp (34) is provided with an adjustment lower clamp (37); the adjustment upper clamp (34) and the adjustment lower clamp (37) are fixedly connected via a rotating knob (35).

8. The electric vehicle head quick connection hook device according to claim 7, characterized in that: A guide opening (32) is fixedly provided at one end of the adjusting connecting rod (36), an upper control line (31) is fixedly provided at one end of the finger-shifting handle (33), the upper control line (31) is fixedly connected to the guide opening (32), the other end of the guide opening (32) is fixedly connected to the upper end of the connecting interface (22), the upper end of the connecting interface (22), the upper control line (31) and the lower control line (21) form a one-to-two wire puller.

9. The electric vehicle head quick connection hook device according to claim 4, characterized in that: The front assembly (1) comprises a front support rod (12), a power storage box (13) and a front wheel (14); the power storage box (13) is fixedly connected to one side of the front support rod (12); the lower end of the front support rod (12) is rotatably connected to the front wheel (14); the upper end of the front support rod (12) is rotatably provided with a front handle (11); a display screen (16) is fixedly provided on the front handle (11); an auxiliary support wheel (15) is fixedly provided behind the front wheel (14); and the connecting member (24) is fixedly connected to the side of the front support rod (12) away from the power storage box (13).

10. The electric vehicle head quick connection hook device according to claim 1, characterized in that: The wheelchair assembly (4) comprises a wheelchair seat (42), a wheelchair support frame (44) and two wheelchair wheels (43); the wheelchair seat (42) is fixedly connected to the upper end of the wheelchair support frame (44); the two wheelchair wheels (43) are rotatably connected to the two sides of the wheelchair support frame (44); a wheelchair armrest (41) is fixedly provided on each side of the wheelchair seat (42); a foot pedal (46) is fixedly provided at the lower end of the wheelchair support frame (44); a front support wheel (45) is rotatably provided on each side in front of the lower end of the wheelchair support frame (44); and a rear support wheel is rotatably provided on each side in rear of the lower end of the wheelchair support frame (44).

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