BRAKE CABLE TAKE-UP DEVICE OF FOLDING MOBILITY AIDS

Abstract

The invention discloses a brake cable take-up device of folding mobility aids, comprising a frame, a brake cable, and a cable take-up device, wherein the cable take-up device comprises a first pin shaft, a coil spring, and a second pin shaft; the first pin shaft and the second pin shaft are arranged on the frame with a gap; the coil spring comprises an inner end and an outer end; the inner end is rotatably sleeved on the first pin shaft; the outer end is provided with a pulling ring; the brake cable extends from one end of the frame to the cable take-up device, and is movably wound around the second pin shaft and the pulling ring and then extends to the other end of the frame; the frame comprises a longitudinal pipe, and the lower end of the longitudinal pipe is connected with a horizontal pipe.

Claims

1. A brake cable take-up device of folding mobility aids, comprising a frame (1), a brake cable (2), and a cable take-up device (3) arranged on the frame (1), wherein the cable take-up device (3) comprises a first pin shaft (4), a coil spring (5), and a second pin shaft (6); the first pin shaft (4) and the second pin shaft (6) are arranged on the frame (1) with a gap; the coil spring (5) comprises an inner end (7) and an outer end (8); the inner end (7) is rotatably sleeved on the first pin shaft (4); the outer end (8) is provided with a pulling ring (9); the brake cable (2) extends from one end of the frame (1) to the cable take-up device (3), and is movably wound around the second pin shaft (6) and the pulling ring (9) and then extends to the other end of the frame (1).

2. The brake cable take-up device of folding mobility aids according to claim 1, wherein the outside of the second pin shaft (6) is rotatably sleeved with a sleeve (10), and the brake cable (2) is wound around the sleeve (10).

3. The brake cable take-up device of folding mobility aids according to claim 1, wherein the frame (1) comprises a longitudinal pipe (11); the brake cable (2) passes through the longitudinal pipe (11), and the cable take-up device (3) is arranged in the longitudinal pipe (11).

4. The brake cable take-up device of folding mobility aids according to claim 3, wherein the upper end of the longitudinal pipe (11) is connected with a handlebar (12), and the lower end of the longitudinal pipe (11) is connected with a horizontal pipe (15); the horizontal pipe (15) is provided with a brake (16); one end of the brake cable (2) is connected to the handlebar (12), and the other end thereof is connected to the brake (16); the longitudinal pipe (11) comprises an inner longitudinal pipe (13) and an outer longitudinal pipe (14) that is slidably sleeved outside the inner longitudinal pipe (13); the cable take-up device (3) is arranged in the inner longitudinal pipe (13) or the outer inner longitudinal pipe (14).

5. The brake cable take-up device of folding mobility aids according to claim 3, wherein the upper end of the longitudinal pipe (11) is connected with a handlebar (12), and the lower end of the longitudinal pipe (11) is hinged with a horizontal pipe (15), so that the longitudinal pipe (11) can be folded toward the rear end of the horizontal pipe (15); the rear end of the horizontal pipe (15) is provided with a brake (16); one end of the brake cable (2) is connected to the handlebar (12), and the other end thereof is connected to the brake (16); the brake cable (2) passes through the longitudinal pipe (11) and enters the horizontal pipe (15), extends to the front end of the horizontal pipe (15) and then folds back to the rear end of the horizontal pipe (15), and then is connected to the brake (16).

6. The brake cable take-up device of folding mobility aids according to claim 5, wherein the horizontal pipe (15) is provided with a stop pin (19); the brake cable (2) extends to the front end of the horizontal pipe (15) and bypasses the stop pin (19), then folds back to the rear end of the horizontal pipe (15), and then is connected to the brake (16).

Description

BRIEF DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] FIG. 1 is a schematic diagram of the structure of a brake cable take-up device of folding mobility aids according to the invention.

[0014] FIG. 2 is a schematic diagram of the structure of a brake cable take-up device of folding mobility aids according to the invention when the inner longitudinal pipe and the outer longitudinal pipe are separated.

[0015] FIG. 3 is a schematic diagram of the structure of the connection of the coil spring and the pulling ring of a brake cable take-up device of folding mobility aids according to the invention.

[0016] FIG. 4 is a schematic diagram of the structure of a brake cable take-up device of folding mobility aids according to the invention when it is laid down.

[0017] In the figures, 1 refers to the frame; 2 refers to the brake cable; 3 refers to the cable take-up device; 4 refers to the first pin shaft; 5 refers to the coil spring; 6 refers to the second pin shaft; 7 refers to the inner end; 8 refers to the outer end; 9 refers to the pulling ring; 10 refers to the sleeve; 11 refers to the longitudinal pipe; 12 refers to the handlebar; 13 refers to the inner longitudinal pipe; 14 refers to the outer longitudinal pipe; 15 refers to the horizontal pipe; 16 refers to the brake; 17 refers to the brake handle; 18 refers to the pulling ring fixing hole; 19 refers to the stop pin; 20 refers to the hinged arm.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] With reference to FIG. 1-4, the invention provides a brake cable take-up device of folding mobility aids, comprising a frame 1, a brake cable 2, and a cable take-up device 3 arranged on the frame 1, wherein the cable take-up device 3 comprises a first pin shaft 4, a coil spring 5, and a second pin shaft 6; the first pin shaft 4 and the second pin shaft 6 are arranged on the frame 1 with a gap; the coil spring 5 comprises an inner end 7 and an outer end 8; the inner end 7 is rotatably sleeved on the first pin shaft 4; the outer end 8 is provided with a pulling ring 9; the brake cable 2 extends from one end of the frame 1 to the cable take-up device 3, and is movably wound around the second pin shaft 6 and the pulling ring 9 and then extends to the other end of the frame 1.

[0019] Preferably, the first pin shaft 4 and the second pin shaft 6 are arranged in order from the upper end to the lower end on the frame; the brake cable 2 extends downwards to the second pin shaft 6 at the upper end of the frame 1, and extends upwards around the pulling ring 9 after being wound around the second pin shaft 6, and then extends downward again to the lower end of the frame 1 after being wound around the pulling ring 9.

[0020] Preferably, the outside of the second pin shaft 6 is rotatably sleeved with a sleeve 10, and the brake cable 2 is wound around the sleeve 10.

[0021] Preferably, the frame 1 comprises a longitudinal pipe 11; the brake cable 2 passes through the longitudinal pipe 11 from top to bottom; the cable take-up device 3 is arranged in the longitudinal pipe 11; the upper end of the longitudinal pipe 11 is connected with a handlebar 12; the handlebar 12 comprises a brake handle 17; one end of the brake cable 2 is fixedly connected to the brake handle 17; the lower end of the longitudinal pipe 11 is connected with a horizontal pipe 15, and the horizontal pipe 15 is provided with a brake 16; the other end of the brake cable 2 is connected to the brake 16; the longitudinal pipe 11 comprises an inner longitudinal pipe 13 and an outer longitudinal pipe 14 that is slidably sleeved outside the inner longitudinal pipe 13; the cable take-up device 3 is arranged in the inner longitudinal pipe 13 or the outer inner longitudinal pipe 14.

[0022] Preferably, the lower end of the longitudinal pipe 11 is hinged with a horizontal pipe 15; a hinged arm 20 is provided between the longitudinal pipe 11 and the horizontal pipe 15; one end of the hinged arm 20 is fixed on the longitudinal pipe 11; the hinged arm 20 is pivotally connected to the horizontal pipe 15 at one end of the side of the longitudinal tube 11, so that the longitudinal pipe 11 can be folded toward the rear end of the horizontal pipe 15; the rear end of the horizontal pipe 15 is provided with a brake 16; the cable wire 2 passes through the longitudinal pipe 11 and enters the horizontal pipe 15, extends to the front end of the horizontal pipe 15 and then folds back to the rear end of the horizontal pipe 15, and then is connected to the brake 16.

[0023] Preferably, the horizontal pipe 15 is provided with a stop pin 19; the brake cable 2 extends to the front end of the horizontal pipe 15 and bypasses the stop pin 19, then folds back to the rear end of the horizontal pipe 15, and then is connected to the brake 16.

[0024] In specific implementation of the invention, when the upper and lower ends of the frame are pulled in a direction away from the frame, the brake cable is tightened to pull the pulling ring; the pulling ring drives the coil spring to be released, and the distance between the second pin shaft and the pulling ring is reduced, so that the brake cable between the second pin shaft and the pulling ring is released. When the pulling force of the brake cable is eliminated, the coil spring is restored under the action of the elastic force, the distance between the second pin shaft and the pulling ring is restored, and the brake cable is retracted.

[0025] When the mobility aid needs to be folded, the inner longitudinal pipe is inserted into the outer longitudinal pipe from above, and the inner longitudinal pipe is disassembled from the outer longitudinal pipe to realize the folding of the handlebar; during the folding process, the relative position of the inner longitudinal pipe and the outer longitudinal pipe is changed, and the brake cable passing through the inner longitudinal pipe and the outer longitudinal pipe is retracted and released to prevent the brake cable from interfering with the folding of the frame.

[0026] When the longitudinal pipe is erected, push the brake cable under the longitudinal pipe into the horizontal pipe, and then the folding place of the brake cable is moved forward; when the longitudinal pipe is laid down, the longitudinal pipe pulls out part of the brake cable in the horizontal pipe, and then the folding place of the brake cable is moved backward.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the invention and not to limit them. Although the invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the invention without departing from the purpose and scope of the technical solutions, which should be covered by the scope of the claims of the invention.