One-key release device applied to power-assisted tractor and use method thereof

Abstract

The present application relates to a kind of with one key release function's power-assisted vehicle, belong to load transport technical field, solve the existing power-assisted vehicle when operating personnel faces emergency demand, not easy to separate from human body Problem.The present application includes car body main body, wearable backplate and connecting beam frame, one end of connecting beam frame is connected with car body main body, the other end is connected with wearable backplate;Wearable backplate includes backplate, locking device and unlocking device, locking device and unlocking device are installed on backplate, locking device is used to lock connecting beam frame, so that connecting beam frame is connected with backplate;The unlocking device is connected with locking device, for controlling locking device unlocking.The present application is unlocked by unlocking device to locking device one key type, so that connecting beam frame and backplate are quickly separated, to realize operating personnel when facing emergency demand can make car body main body and the body of operating personnel quickly and timely separate, simple and efficient operation, provide safety guarantee for operating personnel.

Description

Technical Field

[0001] This invention relates to the field of load transportation technology, and in particular to a power-assisted bicycle with a one-button disengagement function. Background Technology

[0002] With the rapid development of society and economy and the continuous improvement of technology, people are using transportation load machinery products more and more widely, and the demand is becoming more diversified.

[0003] Currently, the target application areas for assisted transport vehicles are mostly in emergency response scenarios such as forest fire fighting in the wild. When faced with the emergency evacuation needs of personnel, if the assisted transport vehicle cannot detach from the person immediately, it will hinder the personnel's ability to escape danger. Therefore, developing an efficient and convenient assisted transport vehicle that ensures personnel can quickly and unimpededly detach from the vehicle in emergency situations, thereby improving their survival safety, is particularly urgent and important. Summary of the Invention

[0004] Based on the above analysis, the present invention aims to provide a power-assisted bicycle with a one-button disengagement function to solve the problem that existing power-assisted bicycles are not easy to detach from the human body when workers face emergency escape needs.

[0005] The objective of this invention is mainly achieved through the following technical solutions:

[0006] A power-assisted bicycle with a one-button disengagement function includes a main body, a wearable back panel, and a connecting beam. One end of the connecting beam is connected to the main body, and the other end is connected to the wearable back panel.

[0007] Furthermore, the wearable backplate includes a backplate and a locking device and an unlocking device mounted on the backplate.

[0008] Furthermore, the locking device can lock the connecting beam frame, connecting the connecting beam frame to the back plate; the unlocking device is connected to the locking device and is used to control the locking device to unlock.

[0009] Furthermore, the locking device includes a mounting box, a connecting steel wire, and a locking gripper.

[0010] Furthermore, the locking gripper is located inside the mounting box and can be closed or opened; one end of the connecting steel wire is connected to the locking gripper, and the other end is connected to the unlocking device.

[0011] Furthermore, the connecting wire includes a first connecting wire and a second connecting wire.

[0012] Furthermore, the locking gripper includes a first half-tooth gripper and a second half-tooth gripper.

[0013] Furthermore, both the first and second half-tooth grippers are rotatably mounted inside the mounting box.

[0014] Furthermore, one end of the first connecting wire is connected to the first half-tooth gripper, and the other end is connected to the slider.

[0015] Furthermore, one end of the second connecting wire is connected to the second half-tooth gripper, and the other end is connected to the slider.

[0016] Furthermore, the unlocking device includes a driving component and a linkage component, the driving component being connected to the linkage component, and the linkage component being connected to the connecting steel wire.

[0017] Furthermore, the drive assembly includes a base, fasteners, and connecting rods.

[0018] Furthermore, the linkage component includes a linkage wire, a slider, a base, and a guide tube.

[0019] Furthermore, the base is fixedly mounted on the back plate; one end of the fastener is hinged to the base; one end of the connecting rod is mounted on the base and can slide on the base, while the other end is hinged to the fastener. By bending the fastener, one end of the connecting rod can be controlled to slide on the base.

[0020] Furthermore, the base is fixedly installed on the back plate; the connecting wire is fixedly connected to the slider; the slider is installed on the base and can slide on the base; the linkage wire is passed through the guide tube, and one end of the linkage wire is connected to the slider and the other end is connected to the connecting rod.

[0021] The technical solution of this invention can achieve at least one of the following effects:

[0022] (1) The present invention provides a power-assisted vehicle with a one-button disengagement function, comprising a vehicle body, a wearable back panel, and a connecting beam. One end of the connecting beam is connected to the vehicle body, and the other end is connected to the wearable back panel. The wearable back panel includes a back panel, a locking device, and an unlocking device. Both the locking device and the unlocking device are mounted on the back panel. The locking device is used to lock the connecting beam, thereby connecting the connecting beam to the back panel. The unlocking device is connected to the locking device and is used to control the unlocking of the locking device. The present invention enables the locking device to be unlocked with one button, allowing the connecting beam to quickly detach from the back panel. This allows workers to quickly and promptly detach the vehicle body from their bodies when facing emergency evacuation needs. The operation is simple and efficient, providing safety assurance for workers.

[0023] (2) The vehicle body of the present invention includes a mounting seat, the mounting seat includes a mounting seat body and a wheel track adjuster, and the mounting seat body is provided with first chambers symmetrically on both sides; two sets of wheel track adjusters are provided, which are respectively symmetrically installed at both ends of the first chambers; the damping mechanism is connected to the wheel track adjuster, and the position of the damping mechanism in the first chamber is adjusted by adjusting the wheel track adjuster, thereby adjusting the wheel track of the electric bicycle, improving the stability and terrain adaptability of the electric bicycle, and also improving the versatility of the electric bicycle, expanding the application range and scenarios.

[0024] (3) The connecting beam frame in this invention includes a lower connecting beam, a bending mechanism, and an upper connecting beam. The bending mechanism includes a housing, a linkage shaft, an angle adjuster, a take-up device, and a bracket. One end of the lower connecting beam is detachably and fixedly connected to the mounting base body, and the other end is fixedly connected to the housing. The bracket is mounted on the angle adjuster. One end of the upper connecting beam is fixedly connected to the bracket, and the other end is connected to the locking device in the wearable back panel. The angle adjuster is fixedly mounted on the housing. The linkage shaft is rotatably connected to the angle adjuster. The take-up device is mounted on the angle adjuster and simultaneously connected to the linkage shaft. Rotating the linkage shaft enables the angle adjuster and the take-up device to unlock or lock synchronously. The angle adjuster allows the bending mechanism to fold and lock at any position within a limited angle, thereby adjusting the angle between the lower and upper connecting beams and simultaneously adjusting the center of gravity of the electric bicycle. This adjusts the pressure exerted on the user, improving ergonomics and overall stability. Furthermore, while adjusting the angle, the bending mechanism also allows for cable winding and unwinding via a cable retractor, ensuring the cable remains at the required length. This prevents excess cable from accumulating in the bending mechanism and avoids it jamming the linkage shaft during folding or unfolding, thus preventing the cable from being broken or hindering the folding or unfolding of the electric bicycle.

[0025] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages may become apparent from the description or be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained from what is particularly pointed out in the description and drawings. Attached Figure Description

[0026] The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0027] Figure 1 This is a schematic diagram of the structure of the electric bicycle according to an embodiment of the present invention;

[0028] Figure 2 This is one of the structural schematic diagrams of the vehicle body in an embodiment of the present invention;

[0029] Figure 3 This is a second schematic diagram of the vehicle body structure according to an embodiment of the present invention;

[0030] Figure 4 This is a cross-sectional view of the mounting base according to an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the bending mechanism according to an embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the linkage shaft in an embodiment of the present invention;

[0033] Figure 7 This is an exploded view of the angle adjuster according to an embodiment of the present invention;

[0034] Figure 8 This is a schematic diagram of the structure of the mounting sleeve in an embodiment of the present invention;

[0035] Figure 9 This is a schematic diagram of the angle adjustment disc according to an embodiment of the present invention;

[0036] Figure 10 This is a schematic diagram of the stop disc according to an embodiment of the present invention;

[0037] Figure 11 This is a schematic diagram of the structure of the take-up device according to an embodiment of the present invention;

[0038] Figure 12 This is a schematic diagram of the structure of the fifth spring in an embodiment of the present invention;

[0039] Figure 13 This is a schematic diagram of the wearable backplate according to an embodiment of the present invention;

[0040] Figure 14 This is an exploded view of the wearable backplate according to an embodiment of the present invention.

[0041] Figure label:

[0042] 1. Body frame; 11. Mounting seat; 111. Mounting seat body; 1111. First chamber; 112. Adjusting plate; 1121. Fixing column; 113. First spring; 114. Adjusting cylinder; 1141. Fixing hole; 1142. Second chamber; 12. Damping mechanism; 121. Bearing; 122. Connecting shaft; 123. Second spring; 124. Limiting ring; 13. Moving mechanism; 131. Wheel; 132. Motor; 133. Cantilever; 14. Load plate;

[0043] 2. Wearable backplate; 21. Backplate; 22. Locking device; 221. Mounting box; 222. Connecting wire; 223. Locking gripper; 224. Box cover; 23. Unlocking device; 231. Base; 232. Fastener; 233. Linkage rod; 234. Linkage wire; 235. Slider; 236. Base; 237. Guide tube;

[0044] 3. Connecting beam frame; 31. Lower connecting beam; 32. Bending mechanism; 321. Housing; 322. Linkage shaft; 3221. Linkage pin; 323. Angle adjuster; 3231. Mounting sleeve; 32311. Limiting groove; 3232. Angle adjusting disc; 32321. First brake tooth; 3233. Third spring; 3234. Stop disc; 32341. Limiting block; 32342. Second brake tooth; 32343. Drive groove; 3235. Rotating sleeve; 3236. Fourth spring; 324. Take-up device; 3241. Linkage disc; 3242. Connecting arm; 3243. Swing rod; 3244. Brake bar; 3245. Ratchet; 3246. Take-up post; 3247. Fifth spring; 325. Bracket; 326. Handle; 33. Upper connecting beam. Detailed Implementation

[0045] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0046] One specific embodiment of the present invention discloses a power-assisted bicycle with a one-button disengagement function, such as... Figure 1 and Figure 13 As shown, the vehicle includes a main body 1, a wearable back panel 2, and a connecting beam 3. One end of the connecting beam 3 is detachably and fixedly connected to the main body 1, and the other end is connected to the wearable back panel 2. The main body 1 is used for load assistance, and the wearable back panel 2 is worn by the operator to provide accompanying protection for the operator. The wearable back panel 2 includes a back panel 21, a locking device 22, and an unlocking device 23. Both the locking device 22 and the unlocking device 23 are mounted on the back panel 21. The locking device 22 is used to lock the connecting beam 3, so that the connecting beam 3 is connected to the back panel. 21 is connected; the unlocking device 23 is connected to the locking device 22 and is used to unlock the locking device 22 with one click, thereby separating the connecting beam frame 3 from the back plate 21, and thus enabling the vehicle body 1 to quickly and timely separate from the operator's body; compared with the prior art, this embodiment uses the unlocking device 23 to unlock the locking device 22 with one click, so that the connecting beam frame 3 can quickly separate from the back plate 21, thereby enabling the operator to quickly and timely separate the vehicle body 1 from the operator's body when facing emergency escape needs. The operation is simple and efficient, and provides safety protection for the operator.

[0047] Preferably, such as Figure 2 As shown, the vehicle body 1 includes a mounting base 11, a damping mechanism 12, a moving mechanism 13, and a load plate 14. The load plate 14 is fixedly mounted on the mounting base 11 and is used to bear the load. Two sets of damping mechanisms 12 and moving mechanisms 13 are provided. The two sets of moving mechanisms 13 are respectively mounted on the two sets of damping mechanisms 12. The two sets of damping mechanisms 12 are symmetrically mounted at both ends of the mounting base 11. The damping mechanisms 12 are used for shock absorption. The damping mechanisms 12 can also move along the length of the mounting base 11, thereby adjusting the wheelbase of the electric bicycle according to the terrain conditions, thereby improving the stability and terrain adaptability of the electric bicycle, and also improving the versatility of the electric bicycle, expanding its application range and scenarios.

[0048] Preferably, such as Figure 3 and Figure 4 As shown, the mounting base 11 includes a mounting base body 111 and a wheel track adjuster. The mounting base body 111 has symmetrically arranged first chambers 1111 on both sides. Two sets of wheel track adjusters are provided and are symmetrically installed at both ends of the first chambers 1111. The damping mechanism 12 is connected to the wheel track adjuster. The position of the damping mechanism 12 in the first chamber 1111 is adjusted by adjusting the wheel track adjuster, thereby adjusting the wheel track of the electric bicycle, improving the stability and terrain adaptability of the electric bicycle, and also improving the versatility of the electric bicycle, expanding its application range and scenarios.

[0049] Preferably, the wheel track adjuster includes an adjusting plate 112, a first spring 113, and an adjusting cylinder 114. The adjusting plate 112 is rotatably mounted in a first chamber 1111 and has a pressing end and a fixing end. One end of the first spring 113 is fixedly mounted in the first chamber 1111, and the other end is fixedly connected to the fixing end of the adjusting plate 112. The first spring 113 is in a compressed state and is used to apply an elastic thrust to the fixing end of the adjusting plate 112. A fixing post 1121 is provided on the fixing end. The adjusting cylinder 114 is installed in the first chamber 1111 and can slide in the first chamber 1111 along the length direction of the mounting body 111. The adjusting cylinder 114 is provided with a fixing hole 1141 and a second chamber 1142. One end of the second chamber 1142 is open, and the other end is closed, thus forming an open end and a closed end. The second chamber 1142 is used to install a damping mechanism 12. Multiple fixing posts 1141 are provided and are evenly spaced along the length of the adjusting cylinder 114. The fixing posts 1121 can be inserted into the fixing holes 1141 and pressed into the fixing holes 1141 under the elastic thrust of the first spring 113 to lock the relative position of the adjusting cylinder 114 and the mounting body 111. In use, by pressing the pressing end of the adjusting plate 112, the fixing post 1121 at the fixing end of the adjusting plate 112 is dislodged from the fixing hole 1141, thereby releasing the lock between the adjusting cylinder 114 and the mounting body 111. After adjusting the position of the adjusting cylinder 114 in the first chamber 1111, the pressing end is released, and the fixing post 1121 is locked into the fixing hole 1141 under the elastic thrust of the first spring 113, thus fixing the relative position of the adjusting cylinder 114 and the mounting body 111. This allows the adjusting cylinder 114 to be fixed in different positions on the mounting body 111, thereby achieving rapid adjustment of the wheel track.

[0050] Preferably, the damping mechanism 12 includes a connecting shaft 122 and a second spring 123. The connecting shaft 122 is rotatably mounted in the second chamber 1142 and fixedly connected to one end of the second spring 123. The other end of the second spring 123 is fixedly connected to the closed end of the second chamber 1142. The other end of the connecting shaft 122 is connected to the moving mechanism 13. When the connecting shaft 122 rotates relative to the adjusting cylinder 114, the second spring 123 can be used to provide rotational damping force to reduce the vibration of the moving mechanism 13 and improve the stability of the electric bicycle.

[0051] Preferably, the damping mechanism 12 further includes a bearing 121 and a limiting ring 124. The bearing 121 is fixedly installed at the opening end of the second chamber 1142, and the connecting shaft 122 passes through the bearing 121, thereby allowing the connecting shaft 122 to rotate relative to the adjusting cylinder 114. The limiting ring 124 is fixedly installed inside the second chamber 1142 and connected to the inner side of the bearing 121 to limit the axial movement of the bearing 121, thereby limiting the axial movement of the connecting shaft 122.

[0052] Preferably, the bearing 121 is an angular contact ball bearing.

[0053] Preferably, the moving mechanism 13 includes a wheel 131, a motor 132, and a cantilever 133. One end of the cantilever 133 is fixedly connected to the connecting shaft 122 in the damping mechanism 12, and the other end is connected to the motor 132. The wheel 131 is mounted on the motor 132, and the motor 132 is used to drive the wheel 131 to rotate, thereby realizing the assistance of the electric vehicle and the accompanying protection of the operator.

[0054] Preferably, a power supply and a controller are installed on the load plate 14. The power supply is used to provide electrical energy to the motor 132. The controller is connected to the force sensor in the wearable back panel 2 via a cable. It is used to receive the force changes between the operator and the vehicle body 1 sensed by the force sensor in the wearable back panel 2, and control the motor 132 to rotate according to the feedback information, thereby realizing the assistance of the electric vehicle and the accompanying protection for the operator.

[0055] Preferably, the connecting beam frame 3 includes a lower connecting beam 31, a bending mechanism 32, and an upper connecting beam 33. One end of the lower connecting beam 31 is detachably and fixedly connected to the mounting base body 111, and the other end is fixedly connected to the bending mechanism 32. One end of the upper connecting beam 33 is rotatably connected to the bending mechanism 32, and the other end is connected to the locking device 22 in the wearable back panel 2. The bending mechanism 32 can be folded and locked at any position within a limited angle, thereby adjusting the angle between the lower connecting beam 31 and the upper connecting beam 33, and simultaneously adjusting the weight of the electric bicycle. The bending mechanism 32 adjusts the angle of the scooter, thereby adjusting the pressure on the human body and improving human-machine comfort. It also improves the overall stability of the scooter. In addition, while adjusting the angle, the bending mechanism 32 can also retract the cable of the scooter, ensuring that the cable is always at the required length. This prevents excess cable from piling up in the bending mechanism 32, and prevents excess cable from affecting rotation or getting broken when adjusting the angle between the lower connecting beam 31 and the upper connecting beam 33. This also prevents the scooter from being affected by excess cable when folding or unfolding.

[0056] Preferably, such as Figure 5As shown, the bending mechanism 32 includes a housing 321, a linkage shaft 322, an angle adjuster 323, a take-up device 324, and a bracket 325. The housing 321 is fixedly connected to the lower connecting beam 31. The bracket 325 is U-shaped and is mounted on the angle adjuster 323. The upper connecting beam 33 is fixedly connected to the bracket 325. The housing 321 is cylindrical. Two sets of angle adjusters 323 are symmetrically fixedly mounted at both ends of the housing 321. The linkage shaft 322 passes through the two sets of angle adjusters 323 and is rotatably connected to the angle adjusters 323. The take-up cable 324 is mounted on the angle adjuster 323 and is simultaneously connected to the linkage shaft 322. Rotating the linkage shaft 322 allows the angle adjuster 323 and the take-up cable 324 to unlock or lock synchronously. The angle adjuster 323 allows the bending mechanism 32 to be folded and locked at any position within a limited angle. The take-up cable 324 allows the cable to be wound up and unwound, ensuring that the cable is always at the required length. This prevents excess cable length from piling up messily in the bending mechanism 32 and prevents excess cable length from jamming the linkage shaft 322 and affecting rotation or being broken by the linkage shaft 322 during folding or unfolding.

[0057] Preferably, the housing 321 is provided with a lead wire hole, which extends along the circumference of the housing 321 and is used to introduce excess cable length from the outside into the housing 321.

[0058] Preferably, such as Figure 6 As shown, the two ends of the linkage shaft 322 are respectively provided with linkage pins 3221; the linkage shaft 322 is preferably square. Compared with the cylindrical shaft, the square shaft can better connect with other components, prevent slippage when the linkage shaft 322 drives other components to rotate, and can better transmit motion.

[0059] Preferably, such as Figure 7As shown, the angle adjuster 323 includes a mounting sleeve 3231, an angle adjusting disc 3232, a third spring 3233, and a stop disc 3234. The mounting sleeve 3231 is fixedly mounted on the end of the housing 321. Both the stop disc 3234 and the angle adjusting disc 3232 are mounted inside the mounting sleeve 3231. The angle adjusting disc 3232 can rotate circumferentially within the mounting sleeve 3231, and the stop disc 3234 can slide along the axis of the mounting sleeve 3231. Both the stop disc 3234 and the angle adjusting disc 3232 are also connected to a linkage shaft 322. The stop disc 3234 can lock or unlock the angle adjusting disc 3232 according to the rotation of the linkage shaft 322. The angle adjusting disc 3232 is fixed to the bracket 325. The third spring 3233 is fixedly connected at one end to the linkage shaft 322 and at the other end to the mounting sleeve 3231. When the external torque is removed from the linkage shaft 322, the third spring 3233 drives the linkage shaft 322 to rotate and return to its initial state, and simultaneously pushes the stop plate 3234 to slide towards the angle adjustment plate 3232, thereby realizing the automatic locking of the stop plate 3234 to the angle adjustment plate 3232. The stop plate 3234 can be unlocked by rotating the linkage shaft 322, and the stop plate 3234 can be automatically locked to the angle adjustment plate 3232 by the third spring 3233. The operation is convenient and allows the connecting beam frame 3 to be folded and locked at any position within a limited angle.

[0060] Preferably, such as Figure 8 As shown, the mounting sleeve 3231 has an open end and a closed end, forming an open end and a closed end; the closed end is provided with a first shaft hole, and a rotating sleeve 3235 is rotatably installed in the first shaft hole, and the rotating sleeve 3235 is fixedly installed on the linkage shaft 322, so that the linkage shaft 322 is rotatably connected to the mounting sleeve 3231 through the rotating sleeve 3235; the inner wall of the mounting sleeve 3231 is provided with a limiting groove 32311, and the limiting groove 32311 extends along the axial direction of the mounting sleeve 3231; in this embodiment, four limiting grooves 32311 are preferably provided, and the four limiting grooves 32311 are evenly distributed along the circumference of the cylinder wall of the mounting sleeve 3231.

[0061] Preferably, such as Figure 9 As shown, the angle adjustment disc 3232 is provided with a first brake tooth 32321; the angle adjustment disc 3232 is also provided with a second shaft hole, in which a rotating sleeve 3235 is rotatably installed, and the rotating sleeve 3235 is fixedly installed on the linkage shaft 322, so that the angle adjustment disc 3232 is rotatably connected to the linkage shaft 322 through the rotating sleeve 3235.

[0062] Preferably, the stop plate 3234 is mounted on the linkage shaft 322 and is slidably connected to the linkage shaft 322. By rotating the linkage shaft 322, the stop plate 3234 can be pushed to slide along its axial direction within the mounting sleeve 3231, thereby locking or unlocking the angle adjustment plate 3232.

[0063] Preferably, such as Figure 10 As shown, the stop disc 3234 includes a limiting block 32341, a second braking tooth 32342, and a third shaft hole. The second braking tooth 32342 is disposed on the end face of the stop disc 3234 and corresponds to the first braking tooth 32321, and can mesh with the first braking tooth 32321. Through the meshing and disengagement of the second braking tooth 32342 and the first braking tooth 32321, the stop disc 3234 can lock or unlock the angle adjustment disc 3232. The limiting block 32341 is disposed on the outer circumference of the stop disc 3234 and corresponds to the limiting groove 32311. The limiting block 32341 can slide within the limiting groove 32311 to restrict the circumferential rotation of the stop disc 3234, so that the stop disc 3234 can only rotate within the limiting groove 32311. The sleeve 3231 slides along its axial direction; the third shaft hole is used to pass through the linkage shaft 322; the inner wall of the third shaft hole is provided with a drive groove 32343, which is a spiral groove. The linkage pin 3221 on the linkage shaft 322 is inserted into the drive groove 32343 and can slide in the drive groove 32343. Thus, the linkage shaft 322 can be rotated and slide in the drive groove 32343 through the linkage pin 3221, which can push the stop plate 3234 to slide along its axis in the sleeve 3231, so that the second brake tooth 32342 can engage or disengage with the first brake tooth 32321, thereby realizing the locking or unlocking of the angle adjustment plate 3232 by the stop plate 3234. Its mechanism is simple and easy to operate, and the connecting beam frame 3 can be quickly folded or unfolded.

[0064] Preferably, the drive groove 32343 is provided with retaining rings at both ends, which are used to limit the sliding stroke of the linkage pin 3221 in the drive groove 32343; in this embodiment, the rotation angle of the linkage shaft 322 is preferably 90°, that is, when the linkage shaft 322 rotates 90°, it can push the second brake tooth 32342 in the stop disc 3234 to fully engage or disengage with the first brake tooth 32321.

[0065] Preferably, the cross-sectional shape of the drive groove 32343 is semi-circular; the end of the linkage pin 3221 is preferably hemispherical, which allows the end of the linkage pin 3221 to better fit with the drive groove 32343, making the sliding of the linkage pin 3221 within the drive groove 32343 smoother, and thus enabling the linkage shaft 322 to more smoothly push the stop plate 3234 to slide along the axial direction of the mounting sleeve 3231 when it rotates; in this embodiment, four drive grooves 32343 are preferably provided, and the four drive grooves 32343 are along the axis of the drive groove 32343. The inner wall of the third shaft hole is evenly distributed around the circumference; four linkage pins 3221 are provided on each end of the linkage shaft 322. The four linkage pins 3221 are symmetrically arranged on the four surfaces of the linkage shaft 322 and are correspondingly arranged with the four drive grooves 32343. The four linkage pins 3221 and the four drive grooves 32343 cooperate to make the linkage shaft 322 slide evenly when pushing the stop plate 3234 along the axial direction of the mounting sleeve 3231, thereby improving the smoothness of the linkage shaft 322 pushing the stop plate 3234.

[0066] Preferably, four limiting blocks 32341 are provided, and the four limiting blocks 32341 are evenly distributed in the circumferential direction, so that the four limiting blocks 32341 correspond to the four limiting grooves 32311 on the inner wall of the mounting sleeve 3231, so that the limiting blocks 32341 can be inserted into the limiting grooves 32311 and can slide within the limiting grooves 32311; the cooperation of the four limiting blocks 32341 and the four limiting grooves 32311 can make the stop plate 3234 slide along the axial direction of the mounting sleeve 3231 with uniform force, thereby improving the smoothness of the stop plate 3234 sliding within the mounting sleeve 3231.

[0067] Preferably, the angle adjuster 323 further includes a fourth spring 3236. One end of the fourth spring 3236 is fixedly connected to the closed end of the mounting sleeve 3231, and the other end is fixedly connected to the stop plate 3234. The fourth spring 3236 is always in a compressed state, that is, the fourth spring 3236 always applies an elastic force to the stop plate 3234, so that the second brake tooth 32342 in the stop plate 3234 and the first brake tooth 32321 in the angle adjustment plate 3232 are more tightly engaged, preventing the second brake tooth 32342 from loosening when engaged with the first brake tooth 32321.

[0068] Preferably, such as Figure 11 and Figure 12As shown, the take-up device 324 includes a braking assembly, a ratchet 3245, a take-up post 3246, and a fifth spring 3247. The braking assembly is used to lock or unlock the ratchet 3245 according to the rotation of the linkage shaft 322. The ratchet 3245 is rotatably mounted on the closed end of the mounting sleeve 3231 in the angle adjuster 323. The take-up post 3246 is fixedly mounted at the center of the end face of the ratchet 3245, and is used to take in or release the cable according to the rotation of the ratchet 3245. The fifth spring 3247 is fixedly mounted on the other end face of the ratchet 3245, and one end of the fifth spring 3247 is... The fifth spring 3247 is fixedly connected to the ratchet 3245 at one end and to the closed end of the mounting sleeve 3231 at the other end. The fifth spring 3247 is used to drive the ratchet 3245 to rotate, thereby driving the take-up column 3246 to rotate to automatically collect the excess cable length. This allows the connecting beam 3 to adjust the cable length while folding or unfolding, ensuring that the cable is always at the required length. This prevents excess cable length from piling up messily in the connecting beam 3 and prevents excess cable length from getting stuck on the linkage shaft 322 and affecting rotation or being broken by the linkage shaft 322 when the electric bicycle is folded or unfolded, thus avoiding affecting the folding or unfolding movement of the electric bicycle.

[0069] Preferably, the braking assembly includes a linkage disc 3241, a connecting arm 3242, a swing rod 3243, and a brake strip 3244. The linkage disc 3241 is sleeved on and fixedly connected to the linkage shaft 322, and can rotate with the rotation of the linkage shaft 322. One end of the connecting arm 3242 is hinged to the edge of the linkage disc 3241, and the other end is hinged to one end of the swing rod 3243. The middle part of the swing rod 3243 is hinged to the closed end of the mounting sleeve 3231 via a pin, and its other end is hinged to one end of the brake strip 3244. The other end of the brake strip 3244 is mounted on the closed end of the mounting sleeve 3231. The brake bar 3244 is hinged to the mounting sleeve 3231 via a pin. A ratchet is provided on the brake bar 3244, which engages with the ratchet wheel 3245. By turning the handle 326, the linkage shaft 322 rotates, thereby driving the linkage disc 3241 to rotate. The rotation of the linkage disc 3241 drives the connecting arm 3242 to rotate, which in turn drives the swing rod 3243 to rotate around a pin located in the middle of the swing rod 3243. This further drives the brake bar 3244 to rotate around the pin connected to the mounting sleeve 3231, causing the ratchet on the brake bar 3244 to engage or disengage with the ratchet wheel 3245, thus locking or unlocking the ratchet wheel 3245.

[0070] Preferably, the take-up post 3246 is used to wind and store the cable; the cable entering the housing 321 is folded in half, the folded end of the cable is fixed on the take-up post 3246, and then the excess cable is wound and stored on the take-up post 3246.

[0071] Preferably, the third spring 3233 and the fifth spring 3247 are both coil springs.

[0072] Preferably, the connecting beam 3 further includes a handle 326. Two handles 326 are provided and are fixedly connected to both ends of the linkage shaft 322 respectively. Turning the handle 326 drives the linkage shaft 322 to rotate, thereby driving the angle adjuster 323 and the cable retractor 324 to unlock or lock simultaneously, thereby realizing the adjustment of the folding angle while retracting and extending the cable.

[0073] Preferably, both the lower connecting beam 31 and the upper connecting beam 33 are hollow tubes. Hollow tubes can not only allow wiring to run in the middle, but also reduce the weight of the electric bicycle. Both the lower connecting beam 31 and the upper connecting beam 33 have a certain curvature, which can enhance the load-bearing strength of the lower connecting beam 31 and the upper connecting beam 33, thereby improving the load capacity of the electric bicycle.

[0074] Preferably, such as Figure 14 As shown, the locking device 22 includes a mounting box 221, a connecting wire 222, and a locking gripper 223. The mounting box 221 is fixedly mounted on the back plate 21. The locking gripper 223 is located inside the mounting box 221 and can be closed or opened. When closed, it can lock with the upper connecting beam 33 and connect the upper connecting beam 33 to the human body. When opened, it can disengage from the upper connecting beam 33 and detach the upper connecting beam 33 from the human body. One end of the connecting wire 222 is connected to the locking gripper 223, and the other end is connected to the unlocking device 23. Thus, the locking gripper 223 can be controlled to close or open through the unlocking device 23, realizing quick connection or one-button quick detachment of the upper connecting beam 33 from the human body. The structure is simple, easy to use, and provides safety for operators.

[0075] Preferably, the locking device 22 further includes a cover 224, which is fastened to the mounting box 221 to prevent foreign objects from entering the mounting box 221 and obstructing the locking gripper 223.

[0076] Preferably, the connecting steel wire 222 includes a first connecting steel wire and a second connecting steel wire.

[0077] Preferably, the locking gripper 223 includes a first half-tooth gripper and a second half-tooth gripper, both of which are rotatably mounted in the mounting box 221 and are arranged opposite to each other. Each of the first and second half-tooth grippers has a locking end and a connecting end. The connecting end of the first half-tooth gripper is connected to a first connecting wire, and the other end of the first connecting wire is connected to an unlocking device 23. The connecting end of the second half-tooth gripper is connected to one end of a second connecting wire, and the other end of the second connecting wire is connected to the unlocking device 23. The unlocking device 23 can control the rotation of the first and second half-tooth grippers respectively via the first and second connecting wires, thereby controlling the closing or opening of the locking ends of the first and second half-tooth grippers, achieving locking or disengagement from the upper connecting beam 33.

[0078] Preferably, torsion springs are provided between the first half-tooth gripper and the second half-tooth gripper and the mounting box 221. The torsion springs enable the locking ends of the first half-tooth gripper and the second half-tooth gripper to remain closed and locked when the external force applied to the first half-tooth gripper and the second half-tooth gripper is removed, thereby maintaining the locked state with the upper connecting beam 33 and improving the stability of the electric bicycle operation.

[0079] Preferably, the unlocking device 23 includes a driving component and a linkage component. The driving component is connected to the linkage component, and the linkage component is connected to the connecting steel wire 222, so that the locking gripper 223 can be controlled to close or open through the driving component.

[0080] Preferably, the drive assembly includes a base 231, a fastener 232, and a connecting rod 233. The base 231 is fixedly mounted on the back plate 21. One end of the fastener 232 is hinged to the base 231, and the other end is a free end. One end of the connecting rod 233 is mounted on the base 231 and can slide on the base 231. The other end is hinged to the middle of the fastener 232. By bending the fastener 232, one end of the connecting rod 233 can be controlled to slide on the base 231.

[0081] Preferably, the linkage assembly includes a linkage wire 234, a slider 235, a base 236, and a guide tube 237. The base 236 is fixedly mounted on the back plate 21. The connecting wire 222 is fixedly connected to the slider 235. The slider 235 is mounted on the base 236 and can slide on the base 236. The linkage wire 234 passes through the guide tube 237, with one end connected to the slider 235 and the other end connected to the connecting rod 233. One end of the guide tube 237 is fixedly connected to the base 236, and the other end is connected to the base support 23. 1. Fixed connection: The guide tube 237 is used to restrict and guide the sliding direction of the linkage steel wire 234; when the fastener 232 is turned, one end of the connecting rod 233 slides on the base 231 and synchronously drives the linkage steel wire 234 to move, thereby driving the slider 235 to slide on the base 236, and then controlling the first half-tooth gripper and the second half-tooth gripper to rotate synchronously through the first connecting steel wire and the second connecting steel wire, so as to control the locking end of the first half-tooth gripper and the locking end of the second half-tooth gripper to close or open, so as to lock or disengage from the upper connecting beam 33.

[0082] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A power-assisted bicycle with a one-button disengagement function, characterized in that, It includes a vehicle body (1), a wearable back panel (2) and a connecting beam (3), one end of which is connected to the vehicle body (1) and the other end is connected to the wearable back panel (2).

2. The electric bicycle with one-button disengagement function according to claim 1, characterized in that, The wearable backplate (2) includes a backplate (21) and a locking device (22) and an unlocking device (23) mounted on the backplate (21).

3. The electric bicycle with one-button disengagement function according to claim 2, characterized in that, The locking device (22) can lock the connecting beam (3) so that the connecting beam (3) is connected to the back plate (21); the unlocking device (23) is connected to the locking device (22) and is used to control the locking device (22) to unlock.

4. The electric bicycle with one-button disengagement function according to claim 3, characterized in that, The locking device (22) includes a mounting box (221), a connecting wire (222), and a locking gripper (223).

5. A power-assisted bicycle with a one-button disengagement function according to claim 4, characterized in that, The locking gripper (223) is located inside the mounting box (221) and can be closed or opened; one end of the connecting wire (222) is connected to the locking gripper (223) and the other end is connected to the unlocking device (23).

6. A power-assisted bicycle with a one-button disengagement function according to claim 5, characterized in that, The connecting wire (222) includes a first connecting wire and a second connecting wire.

7. A power-assisted bicycle with a one-button disengagement function according to claim 6, characterized in that, The locking gripper (223) includes a first half-tooth gripper and a second half-tooth gripper.

8. A power-assisted bicycle with a one-button disengagement function according to claim 7, characterized in that, The first half-tooth gripper and the second half-tooth gripper are both rotatably installed in the mounting box (221).

9. A power-assisted bicycle with a one-button disengagement function according to claim 8, characterized in that, One end of the first connecting wire is connected to the first half-tooth gripper, and the other end is connected to the slider (235).

10. A power-assisted bicycle with a one-button disengagement function according to claim 9, characterized in that, One end of the second connecting wire is connected to the second half-tooth gripper, and the other end is connected to the slider (235).

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