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CN-121973879-A - One-key folding scooter based on multi-connecting-rod linkage and use method

CN121973879ACN 121973879 ACN121973879 ACN 121973879ACN-121973879-A

Abstract

The application discloses a multi-link linkage-based one-key folding aged scooter and a use method thereof, wherein the scooter comprises a handle group, a front frame group, a bottom pull rod, a rear frame group, a rear axle group, a shock absorber, a plurality of groups of support frames, a cushion group, a backrest group and a handle, wherein the handle group, the front frame group, the bottom pull rod and the rear frame group are pivoted to form four-link ABCD, the front frame group, the rear frame group and the two groups of support frames are pivoted to form four-link CELR, the rear frame group, the shock absorber and the support frames are pivoted to form four-link KHGR, the rear frame group and the plurality of parts of the rear axle group are pivoted to form four-link GIJF, the cushion group and the two groups of support frames are pivoted to form four-link LMON, the cushion group and the backrest group are pivoted to form four-link NOQP, the six groups of four-link are pivoted through a plurality of common points, the four-link is symmetrically arranged at the left side and the right side of the scooter, and the handle is pulled to trigger all the four-link, so that the scooter can be folded by one-key and unfolded and the length and the height of the scooter can be shortened.

Inventors

  • CHENG MIN

Assignees

  • 永康市好哥工贸有限公司

Dates

Publication Date
20260505
Application Date
20260318

Claims (9)

  1. 1. The one-key folding scooter based on multi-link linkage is characterized by comprising a handle group, a front frame group, a bottom pull rod, a rear frame group, a rear axle group, a shock absorber, a plurality of groups of supporting frames, a cushion group, a backrest group and a handle, wherein the handle group, the front frame group, the bottom pull rod and the rear frame group are pivoted to form four-link ABCD, the front frame group, the rear frame group and the two groups of supporting frames are pivoted to form four-link CELR, the rear frame group, the rear axle group, the shock absorber and the supporting frames are pivoted to form four-link KHGR, the rear frame group and the plurality of parts of the rear axle group are pivoted to form four-link GIJF, the cushion group and the two groups of supporting frames are pivoted to form four-link LMON, the cushion group, the backrest group and the two groups of supporting frames are pivoted to form four-link NOQP, and the six groups of four-link are pivoted through a plurality of common points and are symmetrically arranged at the left side and the right side of the scooter to form 12 groups of four-link, and the handle can be triggered to realize one-key folding and unfolding of the scooter, and the length and height synchronous size reduction of the scooter.
  2. 2. The multi-link linkage-based one-key folding scooter of claim 1, wherein the four-link ABCD is pivotally connected with the handle base of the handle group and the front frame main rod of the front frame group through a point A, the front frame auxiliary rod of the front frame group and the rear frame main rod of the rear frame group through a point C, the handle base of the handle group and the bottom pull rod through a point B, and the bottom pull rod and the rear frame main rod of the rear frame group through a point D.
  3. 3. The multi-link linkage-based one-key folding scooter of claim 1, wherein the four links CELR are pivotally connected with the main frame body of the first support frame through a point R, the second support frame is pivotally connected with the front frame side rod of the front frame group through a point E, the second support frame is pivotally connected with the main frame body of the first support frame through a point L, and the first support frame and the second support frame are split support frame structures for folding support of the scooter.
  4. 4. The multi-link linkage-based one-key folding scooter of claim 1, wherein the four links KHGR are pivotally connected with the rear frame auxiliary rod of the rear frame group and the rear axle main frame of the rear axle group through a G point, the auxiliary frame body of the first support frame is pivotally connected with the shock absorber through a K point, the shock absorber is pivotally connected with the rear axle auxiliary frame of the rear axle group through an H point, and the shock absorber is of an elastic shock absorber structure and is connected between the support frame and the rear axle group.
  5. 5. The multi-link linkage-based one-key folding scooter of claim 1, wherein the four links GIJF are pivoted with the rear frame auxiliary rod of the rear frame group and the rear axle tail frame of the rear axle group through the point F, the rear axle main frame of the rear axle group and the rear axle middle frame are pivoted with each other through the point I, the rear axle middle frame and the rear axle tail frame are pivoted with each other through the point J, and the rear axle main frame, the rear axle middle frame and the rear axle tail frame are split type connecting parts of the rear axle group.
  6. 6. The multi-link linkage-based one-key folding scooter of claim 1, wherein the four links LMON are pivotally connected with the main frame body of the first support frame through M points, the main frame body of the cushion group is pivotally connected with the third support frame through O points, the third support frame is pivotally connected with the second support frame through N points, the four links NOQP are pivotally connected with the lower back support frame of the backrest group through Q points, the lower back support frame of the backrest group is pivotally connected with the fourth support frame through P points, the fourth support frame is pivotally connected with the second support frame through N points, and the third support frame and the fourth support frame are split support frame structures for the linkage support of the cushion and the backrest.
  7. 7. The multi-link linkage-based one-button folding scooter of any one of claims 1-6, wherein the handle is an actively triggered operating member and further comprising a locking mechanism for locking the handle.
  8. 8. The multi-link linkage-based one-key folding scooter of claim 1, wherein the cushion group is a flexible cushion structure suitable for the elderly, the backrest group is an arc backrest structure capable of being folded along with four links in a linkage manner, the cushion group and the backrest group are folded in a linkage manner through four links NOQP, and the cushion group and the backrest group are attached and folded after being folded, so that the storage volume of the scooter is further reduced.
  9. 9. A method for using the one-key folding aged scooter based on multi-link linkage, which is characterized by being applied to the one-key folding aged scooter based on multi-link linkage as claimed in any one of claims 1 to 8, wherein the method for using comprises folding operation and unfolding operation; The folding operation, namely pulling a lifting handle of the scooter to a preset direction, wherein the lifting handle drives 12 groups of four connecting rods which are symmetrically arranged at the left side and the right side to synchronously perform pivoting and linkage movement, drives a handle group, a front frame group and a rear frame group to be folded in opposite directions, and a rear bridge group to be folded along with linkage and to perform fitting movement to the frame, so that a cushion group and a backrest group are synchronously folded and fitted to the frame direction to complete one-key folding of the scooter, and the length and the height dimension of the folded scooter are synchronously reduced; The unfolding operation is to pull the lifting handle in the opposite folding direction or directly and outwards unfold the frame part of the scooter, and the 12 groups of four connecting rods synchronously perform pivoting resetting movement along with the unfolding of the frame to drive the handle group, the front frame group and the rear frame group to unfold to a preset supporting position, the rear axle group resets to a running supporting state, the cushion group and the backrest group synchronously unfold to a riding position to complete one-key unfolding of the scooter, and after unfolding, each four connecting rod forms a stable supporting structure to ensure the normal use of the scooter.

Description

One-key folding scooter based on multi-connecting-rod linkage and use method Technical Field The application relates to the technical field of walking tools, in particular to a multi-link linkage-based one-key folding scooter and a use method thereof. Background The folding scooter is used as an important tool for daily short-distance travel of the old, portability and storage performance of the folding scooter become core design requirements, the folding scooter in the prior art can realize folding storage to a certain extent, but generally has the problem of complicated operation steps, multiple actions such as step unlocking, folding of a frame, folding of a seat and the like are required, misoperation easily occurs when the old operates, adaptability is poor, meanwhile, the folding structure design of the existing folding scooter is limited, only size reduction in the height direction can be realized after folding, no obvious shrinkage exists in the length direction, the whole volume after folding is still larger, occupied space is large during storage, the folding scooter is difficult to put into a trunk of a household car, a small indoor corner and other areas, and the convenience for carrying and storage is insufficient. In addition, the frame of current folding scooter adopts single connecting rod or simple and easy hinge structure more, and folding linkage nature is poor, and easy motion interference appears when each part is folding, leads to folding action not smooth and easy, and frame support stability after the expansion is not good enough, and the structural strength when driving has been sacrificed for pursuing folding effect to some motorcycle types, can't satisfy the safety in utilization demand that the old person daily was ridden. The application aims to provide the senile scooter which is simple and convenient to operate, is synchronous in length and high size after being folded, is compact in storage and is stable in structure after being unfolded. The foregoing is provided merely for the purpose of facilitating understanding of the application and is not intended to represent the closest prior art to which the application pertains. Disclosure of Invention Based on the above, the application provides a multi-link linkage-based one-key folding scooter and a use method thereof, which at least solve one of the technical problems. The technical scheme includes that the one-key folding aged scooter based on multi-link linkage comprises a handle group, a front frame group, a bottom pull rod, a rear frame group, a rear axle group, a shock absorber, a plurality of groups of supporting frames, a cushion group, a backrest group and a handle, wherein the handle group, the front frame group, the bottom pull rod and the rear frame group are pivoted to form four connecting rods ABCD, the front frame group, the rear frame group and the two groups of supporting frames are pivoted to form four connecting rods CELR, the rear frame group, the shock absorber and the supporting frames are pivoted to form four connecting rods KHGR, the rear frame group and the multi-component of the rear axle group are pivoted to form four connecting rods GIJF, the cushion group and the two groups of supporting frames are pivoted to form four connecting rods LMON, the cushion group, the backrest group and the two groups of supporting frames are pivoted to form four connecting rods NOQP, the six groups of four connecting rods are pivoted through a plurality of common points, and are symmetrically arranged on the left side and the right side of the scooter to form 12 groups of four connecting rods, and the handle is pulled to trigger all the four connecting rods, so that the folding scooter can be folded with the one-key folding scooter and the height of the scooter are shortened. In some embodiments, the four-bar ABCD is pivotally connected with the handle base of the handle group and the front frame main rod of the front frame group through a point A, the front frame auxiliary rod of the front frame group and the rear frame main rod of the rear frame group through a point C, the handle base of the handle group and the bottom pull rod through a point B, and the bottom pull rod and the rear frame main rod of the rear frame group through a point D. In some embodiments, the four connecting rods CELR are pivotally connected to the main frame body of the first support frame through an R point, the second support frame is pivotally connected to the front frame side rod of the front frame group through an E point, the second support frame is pivotally connected to the main frame body of the first support frame through an L point, and the first support frame and the second support frame are split support frame structures for folding support of the scooter. In some embodiments, the four connecting rods KHGR are pivotally connected to the rear axle main frame of the rear axle set through a point G, the sub-frame body of the first supp