Foldable and trippable electric moped

Abstract

The utility model discloses a foldable and trippable electric moped, which relates to the technical field of mopeds and comprises an overlapping frame, a moped body overlapping unit and a convenient folding unit. The head of the overlapping frame faces rightwards; the vehicle body lapping unit comprises a shaft locking device, a sleeve, a movable clamping block, an inserting shaft, a connecting frame, a clamping head and a pin shaft; and the convenient folding unit is mounted at the tail part of the overlapping frame. The electric power-assisted vehicle is provided with the reliable vehicle body lap joint unit, lap joint between the power-assisted vehicle and a front vehicle can be effectively achieved, a person sitting on the saddle on the rear side can conveniently control the advancing direction and speed of the vehicle, and therefore electric power-assisted traveling is achieved on the basis that the basic structure and the operation mode of an original vehicle are not changed; the separation of the power frame can be quickly realized by pulling out the pin shaft; in addition, the portable folding unit is arranged, parts of the motor vehicle can be tightly attached and folded together, the occupied space is greatly saved, and storage or moving is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of power-assisted vehicles, in particular to an electric power-assisted vehicle that can be folded and decoupled. Background Art

[0002] In daily life, when infants or some patients with limited mobility travel, they need to be pushed in a vehicle by someone; and when the user needs to push for a long distance, it is very labor-consuming; with the development of technology, manufacturers have gradually produced power-assisted vehicles that can assist people in pushing.

[0003] In the prior art, the power-assisted vehicles used to assist people in pushing often have large structural changes, ignoring the comfort of special personnel such as infants and patients when sitting, and cannot take into account the controllability of the vehicle; in addition, the structure of the existing power-assisted vehicles is huge and complex, making it inconvenient to fold or quickly decouple. Therefore, we propose an electric power-assisted vehicle that can be folded and decoupled. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an electric power-assisted vehicle that can be folded and decoupled, with a reliable vehicle body latching unit, which can effectively realize the latching between the power-assisted vehicle and the front vehicle. The person sitting on the rear saddle can conveniently control the direction and speed of the vehicle's travel, so as to realize electric power-assisted driving on the basis of not changing the basic structure and operation mode of the original vehicle; the power frame can be quickly detached by pulling out the pin shaft; and it has a convenient folding unit. The connecting parts between the vehicles and each part of the power vehicle are all provided with locking mechanisms that can be conveniently adjusted. By opening the locking structure, the main components of the power vehicle can be folded, so that the components of the power vehicle can be closely attached and folded together, greatly saving the space occupied and being more convenient for storage or moving. It can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical solution: an electric power-assisted vehicle that can be folded and decoupled, including a body frame, a vehicle body latching unit and a convenient folding unit;

[0006] The body frame: has its head facing right and is equipped with four rollers at the bottom. A longitudinal mounting shaft is fixedly connected to the left rear of the body frame.

[0007] The vehicle body lap joint unit: comprises an axle locker, a sleeve, an active clamping block, an insertion shaft, a connecting frame, a clamping joint and a pin shaft, wherein the front and rear ends of the installation shaft are fixedly connected with an axle locker, and the opposite sides of the two axle lockers are fixedly connected with a sleeve, the active clamping block is composed of two sections, one round and one square, and the front and rear sides of the square end are fixedly connected with an insertion shaft, and the two ends of the insertion shaft pass through the sleeve and are inserted into the interior of the axle locker, the connecting frame is arranged at a position adjacent to the rear end of the lap frame, and a clamping joint is fixedly connected to the end of the connecting frame, and the clamping joint is a U-shaped structure with an opening facing right, the active clamping block is inserted into the interior of the U-shaped clamping joint, and the active clamping block is movably connected to the clamping joint through a vertical pin shaft;

[0008] Convenient folding unit: installed at the rear of the frame.

[0009] The vehicle body lap unit is used for connecting the power frame and the front side lap frame. The connecting frame is used as the main component connecting the power frame and the lap frame. The connecting frame is connected to the movable clamp block at the rear of the lap frame through the U-shaped clamp joint at the head to support the steering operation of the vehicle. The movable clamp block realizes a movable connection with the clamp joint through a pin shaft, and the power frame can be detached by pulling out the pin shaft. The mounting shaft is used for the installation of the shaft lock, and the sleeve is used for the insertion of the plug shaft. The movable clamp block is movably connected to the shaft lock through the plug shaft. When the shaft lock locks and fixes the plug shaft, the stability of the connection between the connecting part and the frame body can be ensured. The convenient folding unit is used to realize the convenient folding of the power-assisted vehicle, so that the size of the power-assisted vehicle can be reduced by folding, making it more convenient to store.

[0010] Furthermore, the vehicle body lap unit also includes a power frame, a connecting short shaft and a motor wheel. The power frame is arranged at the rear of the lap frame and is connected to the front lap frame through a connecting frame. The left side of the power frame is provided with two front and rear motor wheels, which are drivingly connected to the output shaft of the dual-axis motor installed on the lower left side of the power frame. The right side of the power frame is lapped on the left side of the connecting frame, and the left end of the connecting frame is movably connected to the right side of the power frame through a connecting short shaft. The power frame is used for the installation of the power frame and the motor, and can provide power output to drive the vehicle to move, so that it can be combined with the original vehicle body through a quick-release coupling key, and electric power-assisted driving can be realized without changing the basic structure and operation mode of the original vehicle. The connecting short shaft is used for the movable connection between the connecting frame and the power frame, so as to support the realization of the subsequent folding function.

[0011] Furthermore, the convenient folding unit comprises a connecting seat, a tube connecting shaft, a seat tube and a seat tube folding wrench. The left upper end of the power frame is fixedly connected with the connecting seat, the connecting seat is movably connected with the upper seat tube through the tube connecting shaft, the lower end of the seat tube is provided with a bayonet socket that is sleeved with the connecting seat, the other side of the connecting seat is provided with a seat tube folding wrench, and the seat tube is fixed to the connecting seat through the seat tube folding wrench. The tube connecting shaft is used for the movable connection between the seat tube and the connecting seat, so as to facilitate the folding of the seat tube, and the seat tube folding wrench is used to fix the seat tube and the connecting seat during normal use.

[0012] Furthermore, the convenient folding unit further comprises a saddle folder, a saddle, an insert, a saddle wrench and a locking device. The saddle is arranged above the power frame and is inserted into the upper side of the seat tube through the insert at the lower side. The upper port of the seat tube is equipped with a locking device. A saddle folder is installed between the upper end of the insert and the saddle. The saddle is movably connected to the insert through the saddle folder. A saddle wrench is installed on one side of the saddle folder. The saddle wrench is used to unlock or lock the saddle folder. The saddle folder allows the saddle to flip over so as to fold and retract. The locking device is used to lock the insert. When folding the power-assisted bicycle, the seat tube folding wrench, saddle wrench, locker and shaft lock are all placed in the open state so that the connecting parts can move. Then, the saddle is instantly turned over to be parallel to the seat tube, and the seat tube and saddle are turned over at the same time to a state where the saddle is flush with the upper end of the power frame. Then, the right side of the power frame is propped up upward, so that the seat tube, saddle, power frame and connecting frame can be folded together, which greatly saves space and is more convenient for storage or moving.

[0013] Furthermore, it also includes universal anti-reverse wheels, seats and footrests. The tail of the power frame is equipped with two universal anti-reverse wheels in front and behind. The right head of the frame is fixedly connected with the footrest, and the seat is fixedly installed in the frame. The universal anti-reverse wheels are used to support the vehicle when it falls over, the footrest is used to place the feet of the person sitting on the front seat, the seat is used for people with limited mobility, and the person sitting on the rear saddle is responsible for controlling the vehicle to move.

[0014] Furthermore, it also includes an armrest and a throttle. The armrest is fixedly connected to the oblique upper side of the frame, and the throttle is installed at the middle right position of the armrest. The input end of the dual-axis motor on the lower side of the power frame is electrically connected to the output end of the vehicle power supply through the throttle. When the operator sits on the saddle, he can easily grasp the armrest on the front side to control the direction of the vehicle, and can conveniently control the speed of the vehicle through the throttle.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the foldable and detachable electric power-assisted bicycle has the following advantages:

[0016] 1. It has a reliable vehicle body latching unit that can effectively achieve the latching between the moped and the vehicle in front. People sitting on the rear saddle can conveniently control the traveling direction and speed of the vehicle, thus realizing electric-assisted driving without changing the basic structure and operation mode of the original vehicle. And the power frame can be quickly detached by pulling out the pin shaft.

[0017] 2. It has a convenient folding unit. The connecting parts between vehicles and various parts of the power vehicle are all equipped with conveniently adjustable locking mechanisms. By opening the locking structure, the main components of the power vehicle can be folded, enabling the components of the power vehicle to be closely attached and folded together, greatly saving space occupancy and making it more convenient for storage or relocation.

[0018] 3. The utility model has a reliable vehicle body latching unit that can effectively achieve the latching between the moped and the vehicle in front. People sitting on the rear saddle can conveniently control the traveling direction and speed of the vehicle, thus realizing electric-assisted driving without changing the basic structure and operation mode of the original vehicle. The power frame can be quickly detached by pulling out the pin shaft. And it has a convenient folding unit. The connecting parts between vehicles and various parts of the power vehicle are all equipped with conveniently adjustable locking mechanisms. By opening the locking structure, the main components of the power vehicle can be folded, enabling the components of the power vehicle to be closely attached and folded together, greatly saving space occupancy and making it more convenient for storage or relocation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the utility model;

[0020] Figure 2 It is a schematic structural diagram of the lower side of the utility model;

[0021] Figure 3 It is a schematic diagram of the folding and unlocking operations of the utility model;

[0022] Figure 4 It is an effect diagram after the utility model is folded;

[0023] Figure 5 For the utility model Figure 1 The enlarged view of the structure at A in the figure;

[0024] Figure 6 For the utility model Figure 2 The enlarged view of the structure at B in the figure;

[0025] Figure 7 It is a schematic diagram of the partial structure of the utility model.

[0026] In the figure: 1 body frame, 2 mounting shaft, 3 vehicle body latching unit, 31 locking shaft, 32 sleeve, 33 movable clamping block, 34 insertion shaft, 35 connecting frame, 36 clamping joint, 37 power frame, 38 connecting short shaft, 39 motor wheel, 310 pin shaft, 4 convenient folding unit, 41 connecting seat, 42 pipe connecting shaft, 43 seat pipe, 44 seat pipe folding wrench, 45 saddle folding device, 46 saddle, 47 insertion pipe, 48 saddle wrench, 49 locking device, 5 universal anti-tipping wheel, 6 seat, 7 footrest, 8 armrest, 9 finger throttle. Detailed implementation manner

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-7 , this embodiment provides a technical solution: a foldable and detachable electric assisted vehicle, including a body frame 1, a vehicle body latching unit 3 and a convenient folding unit 4;

[0029] Body frame 1: The head faces right and four rollers are installed at the bottom. A longitudinal mounting shaft 2 is fixedly connected to the left rear of the body frame 1;

[0030] Vehicle body latching unit 3: It includes a locking shaft 31, a sleeve 32, a movable clamping block 33, an insertion shaft 34, a connecting frame 35, a clamping joint 36 and a pin shaft 310. A locking shaft 31 is fixedly connected to both the front and rear ends of the mounting shaft 2. A sleeve 32 is fixedly connected to one side of the two locking shafts 31 facing each other. The movable clamping block 33 consists of two sections, one round and one square. A insertion shaft 34 is fixedly connected to both the front and rear sides of the square end. The two ends of the insertion shaft 34 pass through the sleeve 32 and are inserted into the inside of the locking shaft 31. The connecting frame 35 is arranged at a position adjacent to the rear of the body frame 1, and a clamping joint 36 is fixedly connected to the end of the connecting frame 35. The clamping joint 36 is a U-shaped structure with an opening facing right. The movable clamping block 33 is inserted into the inside of the U-shaped clamping joint 36. The movable clamping block 33 is movably connected to the clamping joint 36 through a vertical pin shaft 310;

[0031] Convenient folding unit 4: It is installed at the rear of the body frame 1.

[0032] The vehicle body lap joint unit 3 is used for connecting the power frame 37 and the front side lap frame 1. The connecting frame 35 is used as the main component connecting the power frame 37 and the lap frame 1. The connecting frame 35 is connected to the movable clamping block 33 at the rear of the lap frame 1 through the U-shaped clamping joint 36 at the head to support the steering operation of the vehicle. The movable clamping block 33 is movably connected with the clamping joint 36 through the pin shaft 310, and the power frame 37 can be separated by pulling out the pin shaft 310. The mounting shaft 2 is used for the installation of the shaft lock 31, and the sleeve 32 is used for the insertion of the plug shaft 34. The movable clamping block 33 is movably connected with the shaft lock 31 through the plug shaft 34. When the shaft lock 31 locks and fixes the plug shaft 34, the stability of the connection between the connecting piece and the frame body can be ensured. The convenient folding unit 4 is used to realize the convenient folding of the power-assisted vehicle, so that the size of the power-assisted vehicle can be reduced by folding, making it more convenient to store.

[0033] The vehicle body lap unit 3 also includes a power frame 37, a connecting short shaft 38 and a motor wheel 39. The power frame 37 is arranged at the rear of the lap frame 1 and is connected to the front lap frame 1 through a connecting frame 35. Two front and rear motor wheels 39 are arranged on the left side of the power frame 37. The motor wheel 39 is connected to the output shaft of the double-axis motor installed on the lower left side of the power frame 37. The right side of the power frame 37 is lapped on the left side of the connecting frame 35, and the left end of the connecting frame 35 is movably connected to the right side of the power frame 37 through a connecting short shaft 38. The power frame 37 is used for the installation of the motor wheel 39 and the motor, and can provide power output to drive the vehicle to move, so that it can be combined with the original vehicle body through a quick release joint key, and electric power-assisted driving can be realized without changing the basic structure and operation mode of the original vehicle. The connecting short shaft 38 is used for the movable connection between the connecting frame 35 and the power frame 37, so as to support the realization of the subsequent folding function.

[0034] The convenient folding unit 4 comprises a connecting seat 41, a tube connecting shaft 42, a seat tube 43 and a seat tube folding wrench 44. The connecting seat 41 is fixedly connected to the upper left end of the power frame 37. The connecting seat 41 is movably connected to the upper seat tube 43 through the tube connecting shaft 42. The lower end of the seat tube 43 is provided with a bayonet socket that is sleeved with the connecting seat 41. A seat tube folding wrench 44 is installed on the other side of the connecting seat 41. The seat tube 43 is fixed to the connecting seat 41 through the seat tube folding wrench 44. The tube connecting shaft 42 is used for the movable connection between the seat tube 43 and the connecting seat 41, so as to facilitate the folding of the seat tube 43. The seat tube folding wrench 44 is used to fix the seat tube 43 and the connecting seat 41 during normal use.

[0035] The convenient folding unit 4 further includes a saddle folder 45, a saddle 46, an insertion tube 47, a saddle wrench 48 and a lock 49. The saddle 46 is disposed above the power vehicle frame 37 and is inserted into the upper side of the seat tube 43 through the lower insertion tube 47. A lock 49 is installed at the upper port of the seat tube 43. A saddle folder 45 is installed between the upper end of the insertion tube 47 and the saddle 46. The saddle 46 is movably connected to the insertion tube 47 through the saddle folder 45. A saddle wrench 48 is installed on one side of the saddle folder 45. The saddle wrench 48 is used to unlock or lock the saddle folder 45. The saddle folder 45 allows the saddle 46 to flip, so as to fold and retract. The lock 49 is used for locking the insertion tube 47. When folding the power-assisted vehicle, the seat tube folding wrench 44, the saddle wrench 48, the lock 49 and the lock shaft device 31 are all placed in the open state, so that each connecting component can move. Then, the saddle 46 is turned clockwise to be parallel to the seat tube 43, and the seat tube 43 and the saddle 46 are simultaneously turned to a state where the saddle 46 is flush with the upper end of the power vehicle frame 37. Then, the right side of the power vehicle frame 37 is lifted upward, so that the seat tube 43, the saddle 46, the power vehicle frame 37 and the connecting frame 35 can be folded and retracted together, greatly saving the space occupied and being more convenient for storage or moving.

[0036] It further includes universal anti-tip wheels 5, a seat 6 and a footrest 7. Two front and rear universal anti-tip wheels 5 are installed at the tail of the power vehicle frame 37. A footrest 7 is fixedly connected to the right head of the main body frame 1, and a seat 6 is fixedly installed in the main body frame 1. The universal anti-tip wheels 5 are used to support the vehicle when it topples. The footrest 7 is used for placing the feet of the person sitting on the front seat 6. The seat 6 is for the use of people with mobility difficulties. The person sitting on the rear saddle 46 is responsible for controlling the vehicle to move forward.

[0037] It further includes a handrail 8 and a thumb throttle 9. The handrail 8 is fixedly connected to the upper right side of the main body frame 1. A thumb throttle 9 is installed at a position slightly to the right of the middle of the handrail 8. The input end of the double-shaft motor on the lower side of the power vehicle frame 37 is electrically connected to the output end of the vehicle power supply through the thumb throttle 9. When the operator sits on the saddle 46, he can conveniently grasp the front handrail 8 to control the moving direction of the vehicle, and can conveniently control the speed of the vehicle through the thumb throttle 9.

[0038] The working principle of a foldable and detachable electric power-assisted vehicle provided by the utility model is as follows: the electric power-assisted vehicle has a reliable body lap unit 3, which can effectively realize the lap between the power-assisted vehicle and the front vehicle. A person sitting on the rear saddle 46 can conveniently control the direction and speed of the vehicle, thereby realizing electric power-assisted driving without changing the basic structure and operation mode of the original vehicle; and the power frame 37 can be quickly detached by pulling out the pin shaft 310: the body lap unit 3 is used for connecting the power frame 37 and the front side body frame 1, and the connecting frame 35 is used as the main component connecting the power frame 37 and the body frame 1. The connecting frame 35 is connected to the movable card block 33 at the rear of the body frame 1 through the U-shaped card joint 36 at the head. To support the steering operation of the vehicle, the movable block 33 is movably connected with the clamp joint 36 through the pin shaft 310, and the power frame 37 can be disengaged by pulling out the pin shaft 310. The installation shaft 2 is used for the installation of the shaft lock 31, and the sleeve 32 is used for the insertion of the plug shaft 34. The movable block 33 is movably connected with the shaft lock 31 through the plug shaft 34, which is convenient for folding. When the shaft lock 31 locks and fixes the plug shaft 34, it can ensure the stability of the connection between the connecting piece and the frame body; the power frame 37 is used for the installation of the motor wheel 39 and the motor, and can provide power output to drive the vehicle to move, so that it can be combined with the original vehicle body through the quick release joint key, and electric power-assisted driving can be realized without changing the basic structure and operation mode of the original vehicle. The connecting short shaft 38 is used for the movable connection between the connecting frame 35 and the power frame 37, so as to support the realization of the subsequent folding function. The electric power-assisted vehicle also has a convenient folding unit 4, the connecting parts between the vehicles, and each part of the power vehicle are equipped with a convenient and adjustable locking mechanism. By opening the locking structure, the main parts of the power vehicle can be folded, so that the parts of the power vehicle can be tightly closed together, which greatly saves space and is more convenient for storage or movement: the tube connecting shaft 42 is used for the movable connection between the seat tube 43 and the connecting seat 41, which is convenient for folding the seat tube 43, and the seat tube folding wrench 44 is used to fix the seat tube 43 and the connecting seat 41 during normal use; the saddle wrench 48 is used to unlock or lock the saddle folder 45, the saddle folder 45 allows the saddle 46 to be flipped over, thereby folding and folding, and the locker 49 is used to lock the insertion tube 47. When folding the power-assisted bicycle, the seat tube folding wrench 44, the saddle wrench 48, the locker 49 and the shaft locker 31 are all placed in the open state so that the connecting parts can move. Then the saddle 46 is instantly turned over to be parallel to the seat tube 43, and the seat tube 43 and the saddle 46 are turned over at the same time to a state where the saddle 46 is flush with the upper end of the power frame 37. Then the right side of the power frame 37 is propped up upward, so that the seat tube 43, the saddle 46, the power frame 37 and the connecting frame 35 can be folded and gathered together, which greatly saves space and is more convenient for storage or movement.In addition, the universal anti-tipping wheel 5 is used to play a supporting role when the vehicle tips over. The footrest 7 is used for placing the feet of the person sitting on the front seat 6. The seat 6 is for the use of people with mobility difficulties. The person sitting on the rear saddle 46 is responsible for controlling the vehicle to move forward. When the operator sits on the saddle 46, they can conveniently grasp the armrest 8 at the front side to control the direction of the vehicle, and can conveniently control the speed of the vehicle through the thumb throttle 9.

[0039] It should be noted that the method of controlling the operation of the dual-axis motor at the power frame 37 by the thumb throttle 9 disclosed in the above embodiments adopts a method commonly used in the prior art.

[0040] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A foldable and detachable electric power-assisted bicycle, characterized in that: It comprises a vehicle frame (1), a vehicle body joint unit (3) and a convenient folding unit (4); The body frame (1) has a head facing right and four rollers installed at the bottom, and a longitudinal installation shaft (2) is fixedly connected to the left tail of the body frame (1); The vehicle body overlap unit (3) comprises an axle locker (31), a sleeve (32), an active clamping block (33), an inserting shaft (34), a connecting frame (35), a clamping joint (36) and a pin shaft (310). The front and rear ends of the installation shaft (2) are fixedly connected to an axle locker (31), and the opposite sides of the two axle lockers (31) are fixedly connected to a sleeve (32). The active clamping block (33) is composed of two sections, one round and one square. The front and rear sides of the square end are fixedly connected to an inserting shaft (3 4), both ends of the plug shaft (34) pass through the sleeve (32) and are inserted into the interior of the shaft lock (31), the connecting frame (35) is arranged at a position adjacent to the rear of the vehicle frame (1), and a clamping joint (36) is fixedly connected to the end of the connecting frame (35), the clamping joint (36) is a U-shaped structure with an opening facing right, the movable clamping block (33) is inserted into the interior of the U-shaped clamping joint (36), and the movable clamping block (33) is movably connected to the clamping joint (36) through a vertical pin shaft (310); Convenient folding unit (4): installed at the rear of the vehicle frame (1).

2. A foldable and detachable electric power-assisted vehicle according to claim 1, characterized in that: The vehicle body bridging unit (3) further comprises a power frame (37), a connecting short shaft (38) and a motor wheel (39); the power frame (37) is arranged at the rear of the bridging frame (1) and is connected to the front bridging frame (1) via a connecting frame (35); two front and rear motor wheels (39) are arranged on the left side of the power frame (37); the motor wheel (39) is drivingly connected to the output shaft of the double-shaft motor installed on the lower left side of the power frame (37); the right side of the power frame (37) is bridging the left side of the connecting frame (35), and the left end of the connecting frame (35) is movably connected to the right side of the power frame (37) via a connecting short shaft (38).

3. A foldable and detachable electric power-assisted vehicle according to claim 2, characterized in that: The convenient folding unit (4) comprises a connecting seat (41), a tube connecting shaft (42), a seat tube (43) and a seat tube folding wrench (44); the left upper end of the power frame (37) is fixedly connected with the connecting seat (41); the connecting seat (41) is movably connected with the upper seat tube (43) through the tube connecting shaft (42); the lower end of the seat tube (43) is provided with a bayonet socket for sleeve engagement with the connecting seat (41); the other side of the connecting seat (41) is provided with a seat tube folding wrench (44); the seat tube (43) is fixed to the connecting seat (41) through the seat tube folding wrench (44).

4. A foldable and detachable electric power-assisted vehicle according to claim 3, characterized in that: The convenient folding unit (4) further comprises a saddle folding device (45), a saddle (46), a plug (47), a saddle wrench (48) and a locking device (49); the saddle (46) is arranged above the power frame (37) and is inserted into the upper side of the seat tube (43) through the plug (47) on the lower side; the upper end of the seat tube (43) is provided with a locking device (49); a saddle folding device (45) is provided between the upper end of the plug (47) and the saddle (46); the saddle (46) is movably connected to the plug (47) through the saddle folding device (45); and a saddle wrench (48) is provided on one side of the saddle folding device (45).

5. A foldable and detachable electric power-assisted vehicle according to claim 2, characterized in that: The vehicle also comprises a universal anti-reverse wheel (5), a seat (6) and a tripod (7); the rear of the power frame (37) is provided with two front and rear universal anti-reverse wheels (5); the right head of the building frame (1) is fixedly connected with the tripod (7); and the seat (6) is fixedly installed in the building frame (1).

6. A foldable and detachable electric power-assisted vehicle according to claim 1, characterized in that: It also includes an armrest (8) and a finger-shift throttle (9), wherein the armrest (8) is fixedly connected to the oblique upper side of the body frame (1), and the finger-shift throttle (9) is installed at the middle right position of the armrest (8), and the input end of the double-axis motor on the lower side of the power frame (37) is electrically connected to the output end of the vehicle power supply through the finger-shift throttle (9).

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