CN216994699U

CN216994699U - Folding rod structure of bicycle

Info

Publication number: CN216994699U
Application number: CN202220614809.3U
Authority: CN
Inventors: 张特科
Original assignee: Jiangmen Weiyi Aluminum Technology Co ltd
Current assignee: Jiangmen Weiyi Aluminum Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-19
Anticipated expiration: 2032-03-21

Abstract

The utility model belongs to the technical field of bicycle folding, and particularly discloses a bicycle folding rod structure which sequentially comprises a movable rod, an insertion component, a pipe body and a folding component from top to bottom, wherein a fastener is arranged at the upper end of the movable rod, a groove is formed in the surface of the movable rod, a flange inside the insertion component is in relative fit with the groove in the surface of the movable rod, the insertion component is arranged at the joint of the pipe body and the movable rod for fixing, the folding component is arranged at the bottom of the pipe body and comprises a folding upper seat and a folding lower seat, the folding upper seat is fixedly connected to the bottom end of the pipe body, one side of the end part of the folding lower seat is hinged to one side of the folding upper seat, and a first clamping joint and a second clamping joint are fastened and separated by rotating a folding handle, so that the matching fastening and the folding of the folding upper seat and the folding lower seat are realized, and the problem that the existing bicycle folding handle structure is complicated in structure, The assembly workload is large, and the locking effect of the folding handle is not good.

Description

Folding rod structure of bicycle

Technical Field

The utility model relates to the technical field of bicycle folding, in particular to a bicycle folding rod structure.

Background

The folding bicycle occupies small space after being folded, is convenient to carry and store, has performance and various parameters which are not inferior to those of a common non-folding bicycle when in use, occupies small space after being folded, is convenient to carry and store, and can be put into a trunk of a boarding case, a folding bag or an automobile after being folded, thereby being popular with consumers.

The folding bicycle is divided into a pulling-inserting type bicycle and a rotating type bicycle according to the standing folding mode, the existing rotating type folding bicycle is provided with a folding structure mode, an upper seat handlebar and a lower seat wheel are hinged on one side of the upper seat handlebar through a hinged shaft, the opposite side of the hinged position is provided with a folding handle to assist other components to achieve the folding purpose, the whole components of the folding structure are various, the assembly is complex, the workload is large, the locking effect of the folding handle is poor, and the potential safety hazard that the folding handle is possibly opened to fold the pipe body in the riding process exists. The prior folding bicycle has the problems that the folding structural members are various, the assembly workload is large, the locking effect of a folding handle is poor, and the potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a bicycle folding mechanism which aims to solve the problems that the folding structure of the existing folding bicycle is multiple in components and the locking effect of a folding handle is poor.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the folding assembly comprises a folding upper seat and a folding lower seat, wherein the folding upper seat is fixedly connected to the bottom end of the pipe body, one side of the folding lower seat is hinged to one side of the folding upper seat, the folding upper seat is hinged to the folding lower seat through a rotating shaft, a first clamping joint is arranged on the other side of the folding upper seat, a folding handle is hinged to the other side of the folding lower seat, a second clamping joint is arranged at the position of the rotating shaft, hinged to the rotating shaft, of the folding lower seat, a compression spring is arranged inside the second clamping joint, the compression spring and the hinged rotating shaft are coaxially mounted, one end of the compression spring is abutted to the folding lower seat, and the other end of the compression spring is fixedly connected to the second clamping joint.

Furthermore, the top of the tube body is connected with a movable rod, a fastener is arranged at the upper end of the movable rod, and a groove is formed in the surface of the movable rod.

Furthermore, the connection part of the pipe body and the movable rod is provided with an inserting assembly.

Further, folding handle internal surface be provided with the screens piece, folding handle surface on seted up the sliding tray, sliding tray and screens piece cooperate, screens piece outside fixedly connected with activity key to the activity key is installed in the sliding tray, and activity key internally mounted has the reset spring that sets up and be used for at sliding tray reciprocating motion.

Furthermore, the second joint on be equipped with circular arc guided way, the second joint head be provided with horizontal draw-in groove, horizontal draw-in groove and screens piece cooperate.

Furthermore, an adjusting groove is formed in the folding lower seat along the axial direction of the folding lower seat, and a threaded part used for adjusting the width of the adjusting groove is arranged on the folding lower seat.

Furthermore, a hollow cavity is arranged between the folding upper seat and the center.

Furthermore, the grafting subassembly include the bayonet joint, the bayonet joint internal surface set up the flange, the flange mutually support with the recess on movable rod surface, the bayonet joint seted up the locking groove, locking groove department be provided with the retaining member, the retaining member include locking axle and eccentric handle, the locking axle run through locking groove both sides, the tight pulley is connected to locking axle one end, the other end hinge of locking axle takes turns eccentric handle.

The utility model has the beneficial effects that:

1. the folding assembly can be folded and arranged through the folding assembly at the bottom end of the pipe body, the folding assembly is divided into the folding upper seat and the folding lower seat, the bicycle front wheel support is inserted into the folding lower seat to be installed and matched when the folding upper seat and the folding lower seat are separated, the folding upper seat is rotated to be matched with the folding lower seat in a rotating mode, and the folding upper seat and the folding lower seat are subsequently provided with the first clamping joint and the second clamping joint respectively to be locked.

2. The folding rod structure of the bicycle provided by the utility model fixes the folding handle through the combination of the sliding groove, the clamping block and the movable key which are arranged on the folding handle, so that the problem that the folding handle is opened in the riding process of the folding bicycle can be effectively avoided.

3. The bicycle folding rod structure provided by the utility model can realize the up-and-down movement of the movable rod through the mutual matching of the groove arranged on the surface of the movable rod and the flange arranged in the plug-in assembly, and can improve the practicability of the product.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic front view of the upper and lower foldable seats of the present invention;

FIG. 4 is a schematic top view of the upper and lower foldable seats of the present invention;

FIG. 5 is a schematic structural view of the plug assembly of the present invention;

in the figure: the locking device comprises a movable rod 1, a fastener 101, a plug-in component 2, a plug-in connector 201, a flange 202, a locking groove 203, an eccentric handle 204, a locking shaft 205, a pipe body 3, a folding component 4, a folding upper seat 5, a first clamping connector 501, a folding lower seat 6, a second clamping connector 601, a folding handle 7, a clamping block 701 and a movable key 702.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 4, the folding rod structure of a bicycle provided by the present invention comprises a tube body and a folding assembly, wherein the bottom of the tube body 3 is provided with the folding assembly 4, the folding assembly 4 comprises a folding upper seat 5 and a folding lower seat 6, the folding upper seat 5 is fixedly connected to the bottom end of the tube body 3, one side of the folding lower seat 6 is hinged to one side of the folding upper seat 5, the folding upper seat 5 is hinged to the folding lower seat 6 through a rotating shaft, the other side of the folding upper seat 5 is provided with a first clamping head 501, the other side of the folding lower seat 6 is hinged to a folding handle 7, a second clamping head 601 is arranged at the rotating shaft where the folding lower seat 6 is hinged to the folding handle 7, a compression spring is arranged inside the second clamping head 601, and the rotating shaft which is hinged to the compression spring is coaxially arranged, one end of the compression spring is abutted to the folding lower seat 6, the other end of the compression spring is fixedly connected to the second clamping head 601.

As shown in fig. 1, a movable rod 1 is connected to the top of the pipe body 3, a fastener 101 is disposed at the upper end of the movable rod 1, and a groove 102 is disposed on the surface of the movable rod 1.

As shown in fig. 1, a plug-in assembly 2 is arranged at the joint of the pipe body 3 and the movable rod 1.

As shown in fig. 3 and 4, the internal surface of folding handle 7 be provided with screens piece 701, folding handle 7 the surface on seted up the sliding tray, sliding tray and screens piece 701 cooperate, screens piece 701 outside fixedly connected with activity key 702 to activity key 702 installs in the sliding tray, and activity key 702 internally mounted has the reset spring that sets up to be used for at sliding tray reciprocating motion, second joint 601 on be equipped with the circular arc guided way, second joint 601 be provided with horizontal draw-in groove, horizontal draw-in groove and screens piece 701 cooperate, fix folding handle through the three combination of sliding tray, screens piece and the activity key that set up on folding handle, can effectively avoid folding bicycle to lead to the problem that folding handle opened at the in-process of riding.

As shown in fig. 3, the folding lower seat 6 is provided with an adjusting groove along the axial direction thereof, and the folding lower seat 6 is provided with a screw member for adjusting the width of the adjusting groove.

As shown in fig. 4, the folding upper seat 5 and the center are provided with a hollow cavity.

As shown in fig. 5, the plug-in component 2 includes a plug 201, the inner surface of the plug 201 is provided with a flange 202, the flange 202 is matched with the groove 102 on the surface of the movable rod 1, the movable rod 1 can move up and down, the plug 201 is provided with a locking groove 203, the locking groove 203 is provided with a locking member, the locking member includes a locking shaft 204 and an eccentric handle 205, the locking shaft 204 runs through two sides of the locking groove 203, one end of the locking shaft 204 is connected with a fastening wheel, the other end of the locking shaft 204 is hinged with the eccentric handle 205 of the wheel, and the practicability of the product can be improved.

The folding mode of the utility model is as follows: the folding mode of the utility model is as follows: mainly works through the folding upper seat 5 and the folding lower seat 6 of the folding assembly 2, firstly, a compression spring is arranged in the second clamping connector 601, and when the folding assembly is not folded, the compression spring is in a compression state, the second clamping connector 601 is tightly abutted with the folding lower seat 6 under the pressure of the compression spring inside, the second clamping connector 601 is hinged with the folding handle 7, subsequently, the folding upper seat 5 is further hinged with the folding lower seat 6, the folding lower seat 6 and the second clamping connector 601 are driven to rotate towards the direction of the free end of the folding handle 7 through the hinging of the folding upper seat 5 and the folding lower seat 6, the abutting of the folding upper seat 5 and the folding lower seat 6 can be realized, when the folding lower seat 6 is connected with the folding lower seat 6, the folding handle 7 is loosened to retract the compression spring so as to drive the second clamping joint 601, the compression spring is loosened after the abutting connection is completed, so that the second bayonet joint part 601 is fed into the first bayonet joint part 501 for chucking to effect resetting of the structure.

The subsequent setting that passes through is at sliding tray and screens piece 701 cooperation on folding handle 7, at the outside fixedly connected with activity key 702 of screens piece 701 to activity key 702 is installed and is moved through reset spring in the sliding tray, thereby enables the horizontal draw-in groove on screens piece 701 and the second joint 601 and mutually supports, has avoided the potential safety hazard that folding handle 7 can be opened by bike in-process.

During folding, the movable key 702 is firstly shifted to separate the clamping block 701 from the transverse clamping groove of the second clamping connector 601, the folding handle 7 is rotated to drive the compression spring to tighten so as to control the second clamping connector 601 to loosen, the folding handle 7 is subsequently continuously rotated to enable the folding upper seat 5 and the folding lower seat 6 to loosen, the folding effect can be realized, the folding structure of the bicycle is simple, the operation is convenient, the locking modes of the first clamping connector 501 and the second clamping connector 601 are firmer, and the safety risk is reduced.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a bicycle folding rod structure, has included body and folding subassembly, its characterized in that: the pipe body (3) bottom be provided with folding assembly (4), folding assembly (4) including folding upper seat (5) and folding lower seat (6), folding upper seat (5) fixed connection in pipe body (3) bottom, one side of folding lower seat (6) articulated with one side of folding upper seat (5), folding upper seat (5) with folding lower seat (6) articulated through the axis of rotation, the opposite side of folding upper seat (5) be provided with first joint head (501), folding lower seat (6) opposite side articulated folding handle (7), folding lower seat (6) and folding handle (7) articulated axis of rotation department be provided with second joint head (601), the inside compression spring that is equipped with of second joint head (601) to compression spring and articulated axis of rotation be coaxial arrangement, compression spring's one end and folding lower seat (6) butt, the other end of the compression spring is fixedly connected to the second clamping head (601).

2. The folding bar structure for bicycle as claimed in claim 1, wherein: the pipe body (3) top be connected with movable rod (1), the upper end of movable rod (1) be provided with binding ware (101), movable rod (1) surface be provided with recess (102).

3. The folding bar structure for bicycle as claimed in claim 1, wherein: the connecting part of the pipe body (3) and the movable rod (1) is provided with a plug-in component (2).

4. The folding bar structure for bicycle as claimed in claim 1, wherein: folding handle (7) internal surface be provided with screens piece (701), folding handle (7) surface on seted up the sliding tray, the sliding tray cooperate with screens piece (701), screens piece (701) outside fixedly connected with movable key (702) to movable key (702) are installed in the sliding tray, and movable key (702) internally mounted has the setting to be used for at the reset spring of sliding tray reciprocating motion.

5. The folding bar structure for bicycles, as claimed in claim 1, wherein: the second clamping connector (601) is provided with an arc guide rail, the second clamping connector (601) is provided with a transverse clamping groove, and the transverse clamping groove is matched with the clamping block (701).

6. The folding bar structure for bicycle as claimed in claim 1, wherein: the folding lower seat (6) is provided with an adjusting groove along the axial direction, and the folding lower seat (6) is provided with a threaded part for adjusting the width of the adjusting groove.

7. The folding bar structure for bicycle as claimed in claim 1, wherein: the folding upper seat (5) and the center are provided with a hollow cavity.

8. A bicycle folding bar construction, according to claim 3, wherein: plug-in components (2) including bayonet joint (201), bayonet joint (201) internal surface set up flange (202), flange (202) mutually support with recess (102) on movable rod (1) surface, bayonet joint (201) seted up locking groove (203), locking groove (203) department be provided with the retaining member, the retaining member include locking axle (204) and eccentric handle (205), locking axle (204) run through locking groove (203) both sides, fastening wheel is connected to locking axle (204) one end, the other end hinge of locking axle (204) takes turns eccentric handle (205).