CN219904630U

CN219904630U - Steering return system

Info

Publication number: CN219904630U
Application number: CN202321692890.8U
Authority: CN
Inventors: 俞涛涛; 高军; 黄飞
Original assignee: Zhejiang Funshion Leisure Supplies Co ltd
Current assignee: Zhejiang Funshion Leisure Supplies Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-10-27
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a steering return system, which comprises a bowl group pipe, wherein a damping limiting block is clamped at an opening at the top of the bowl group pipe, a front fork upper pipe is arranged in the bowl group pipe in a penetrating manner, the lower end of the front fork upper pipe is rotationally connected with the bowl group pipe through the bowl group, a return component is arranged in the front fork upper pipe, and the return component is matched with the damping limiting block to realize automatic return of the front fork upper pipe; the lower end of the upper tube of the front fork is rotationally connected with the bowl group tube through the bowl group, so that the upper tube of the front fork can flexibly rotate, meanwhile, the return assembly is arranged in the upper tube of the front fork, and the return assembly is matched with the damping limiting block at the opening of the top of the bowl group tube, so that the automatic return of the upper tube of the front fork after rotation is realized, the stability of the bicycle head can be kept in the straight running process, and the riding is easier.

Description

Steering return system

Technical Field

The utility model belongs to the technical field of handlebars, and particularly relates to a steering return system.

Background

The bicycle head bowl group is mainly used for connecting a front fork tube to a front tube of a bicycle frame, so that the bicycle head can flexibly drive the front fork tube to rotate in the front tube of the frame, and the functions of front wheel forward steering and the like are realized. The headset assembly of the bicycle mainly comprises a bearing part, a tightening part, a cover body and the like, wherein the bearing part also comprises an upper and a lower bearing seats which are overlapped and matched with an implementation mode that a plurality of steel balls are accommodated between the upper and the lower bearing seats; the inner diameter of the bearing piece is sleeved outside the front fork tube and matched with the packing piece to be packed and positioned on the front fork tube, the outer diameter of the bearing piece is packed and positioned on the inner diameter edge of the front tube, and then the front tube and the front fork tube in two packed states generate relative position rotation action through bearings or steel balls and the like.

The steering of the bicycle can be more flexible and stable by the existing steering head assembly, but more straight line sections exist in the riding process of the bicycle, the flexible steering system can enable the bicycle to deviate from the straight line motion due to continuous shaking of the bicycle head when the bicycle advances in a straight line, the bicycle head needs to be continuously steered and adjusted, and the physical energy consumption of riding staff is increased. Therefore, there is a need for a handlebar steering system that is flexible in steering and that returns automatically after steering.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a steering return system, wherein the lower end of a front fork upper pipe is rotationally connected with a bowl group pipe through a bowl group, so that the front fork upper pipe flexibly rotates, and meanwhile, the front fork upper pipe is matched with a damping limiting block at the opening of the top of the bowl group pipe through an internal return component, so that the automatic return of the front fork upper pipe after rotation is realized.

The aim of the utility model can be achieved by the following technical scheme:

the steering return system comprises a bowl group pipe, wherein a damping limiting block is clamped at the opening of the top of the bowl group pipe, a front fork upper pipe is arranged in the bowl group pipe in a penetrating manner, the lower end of the front fork upper pipe is rotationally connected with the bowl group pipe through the bowl group, a return component is arranged in the front fork upper pipe, and the return component is matched with the damping limiting block to realize automatic return of the front fork upper pipe.

Still preferably, the return assembly comprises a damping slider, a damping bearing shaft is horizontally arranged in the damping slider in a penetrating manner, two ends of the damping bearing shaft penetrate through a front fork upper pipe, sliding holes are vertically formed in the side wall of the front fork upper pipe, corresponding to the damping bearing shaft, the end parts of the two ends of the damping bearing shaft are sleeved with bushings, the bushings are detachably connected with the damping bearing shaft through clamp springs, and the bottoms of the damping slider are connected with the front fork upper pipe through damping springs.

Further preferably, the inner wall of the damping limiting block is provided with an arc chute, the arc chute is obliquely arranged, and the bushing is in sliding connection with the arc chute.

Further preferably, the outer wall of the damping limiting block is fixed with a plurality of anti-skid limiting strips, the inner wall of the upper end of the bowl group pipe is fixedly provided with a limiting stop, and the anti-skid limiting strips are matched with the limiting stop.

Further preferably, the bowl group pipe is fixedly connected with the frame, the bottom end of the front fork upper pipe is fixedly connected with the front fork, and the top end of the front fork upper pipe is detachably connected with the handle bar.

The utility model has the beneficial effects that:

the lower end of the front fork upper pipe of the steering return system is rotationally connected with the bowl group pipe through the bowl group, so that the front fork upper pipe can flexibly rotate, meanwhile, the return component is arranged in the front fork upper pipe, and the return component is matched with the damping limiting block at the opening of the top of the bowl group pipe, so that the front fork upper pipe can automatically return after rotating, the stability of a vehicle head can be kept in a straight running process, and riding is easier.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic exploded view of the steering return system of the present utility model.

In the figure: the bowl comprises a bowl group pipe 1, a damping limiting block 2, a front fork upper pipe 3, a return component 4, a damping sliding block 5, a damping bearing shaft 6, a sliding hole 7, a bushing 8, a clamping spring 9, a damping spring 10, an arc-shaped sliding groove 11, an anti-skid limiting bar 12 and a limiting stop 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, the steering return system comprises a bowl group pipe 1, wherein a damping limiting block 2 is clamped at the opening of the top of the bowl group pipe 1, a front fork upper pipe 3 is arranged in the bowl group pipe 1 in a penetrating manner, the lower end of the front fork upper pipe 3 is rotationally connected with the bowl group pipe 1 through the bowl group, a return component 4 is arranged in the front fork upper pipe 3, and the return component 4 is matched with the damping limiting block 2 to realize automatic return of the front fork upper pipe 3.

The return assembly 4 comprises a damping sliding block 5, a damping bearing shaft 6 is horizontally arranged in the damping sliding block 5 in a penetrating manner, two ends of the damping bearing shaft 6 penetrate through a front fork upper pipe 3, sliding holes 7 are vertically formed in the side wall of the front fork upper pipe 3 corresponding to the damping bearing shaft 6, a bushing 8 is sleeved at the end parts of the two ends of the damping bearing shaft 6, the bushing 8 is detachably connected with the damping bearing shaft 6 through a clamp spring 9, the bottom of the damping sliding block 5 is connected with the front fork upper pipe 3 through a damping spring 10, an arc-shaped sliding groove 11 is formed in the inner wall of a damping limiting block 2, the arc-shaped sliding groove 11 is obliquely arranged, and the bushing 8 is in sliding connection with the arc-shaped sliding groove 11. When the front fork upper tube 3 turns, the two bushings 8 are compressed downwards under the action of the arc-shaped sliding grooves 11 in the damping limiting block 2, and the damping bearing shaft 6 moves up and down in the sliding hole 7 of the front upper tube 3; when the front fork upper tube 3 is loosened, the bushing 8 is rebounded to the top of the arc-shaped chute 11 in the damping limiting block 2 under the elasticity of the damping pressure spring 10, so that the front fork upper tube 3 is driven to rotate, and the function of automatic return is realized.

Bowl group pipe 1 and frame fixed connection, front fork upper tube 3 bottom and front fork fixed connection, front fork upper tube 3 top and handlebar detachable connection.

As another embodiment of the utility model, the outer wall of the damping limiting block 2 is fixedly provided with a plurality of anti-slip limiting strips 12, the inner wall of the upper end of the bowl group pipe 1 is fixedly provided with a limiting stop 13, and the anti-slip limiting strips 12 are matched with the limiting stop 13, so that the stability of the damping limiting block 2 is ensured, the damping limiting block 2 cannot rotate during steering, and the problem of inaccurate return caused by rotation of the damping limiting block 2 is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Steering return system, its characterized in that includes bowl group pipe (1), open department joint damping stopper (2) in bowl group pipe (1) top, run through in bowl group pipe (1) and be equipped with front fork upper tube (3), front fork upper tube (3) lower extreme is connected with bowl group pipe (1) rotation through bowl group, the inside return subassembly (4) that is equipped with of front fork upper tube (3), return subassembly (4) and damping stopper (2) cooperation realize front fork upper tube (3) self return.

2. The steering return system according to claim 1, wherein the return assembly (4) comprises a damping slider (5), a damping bearing shaft (6) is horizontally arranged in the damping slider (5) in a penetrating manner, two ends of the damping bearing shaft (6) penetrate through a front fork upper pipe (3), sliding holes (7) are vertically formed in the side wall of the front fork upper pipe (3) corresponding to the damping bearing shaft (6), a bushing (8) is sleeved at two end parts of the damping bearing shaft (6), the bushing (8) is detachably connected with the damping bearing shaft (6) through a clamp spring (9), and the bottom of the damping slider (5) is connected with the front fork upper pipe (3) through a damping spring (10).

3. The steering return system according to claim 2, wherein the inner wall of the damping limiting block (2) is provided with an arc chute (11), the arc chute (11) is obliquely arranged, and the bushing (8) is slidably connected with the arc chute (11).

4. The steering return system according to claim 1, wherein the outer wall of the damping limiting block (2) is fixedly provided with a plurality of anti-slip limiting bars (12), the inner wall of the upper end of the bowl group pipe (1) is fixedly provided with a limiting stop (13), and the anti-slip limiting bars (12) are matched with the limiting stop (13).

5. The steering return system according to claim 1, wherein the bowl group pipe (1) is fixedly connected with the frame, the bottom end of the front fork upper pipe (3) is fixedly connected with the front fork, and the top end of the front fork upper pipe (3) is detachably connected with the handle bar.