CN217435960U - Threading type wrist group for bicycle - Google Patents

Abstract

The utility model relates to a bicycle wrist group technical field especially relates to a wire passing formula wrist group for bicycle. The technical scheme comprises the following steps: the bicycle frame comprises a lower wrist group, a bicycle frame head pipe and an upper wrist group, wherein the lower end opening of the bicycle frame head pipe is connected with the lower wrist group in a clamped mode, the upper end opening of the bicycle frame head pipe is connected with the upper wrist group in a clamped mode, a through hole is formed in the bicycle frame head pipe, the lower wrist group and one side of the upper wrist group, which deviates from each other, are provided with threading holes in equal intervals, a steering vertical pipe is movably inserted in the through hole, and two ends of the steering vertical pipe are movably connected with bowl covers in a clamped mode. The utility model discloses a set up the through wires hole under on wrist group and last wrist group for people can carry out threading management respectively with the brake control pencil of front and back wheel, effectively improved bicycle wrist group's aesthetic property, can restraint brake control pencil inside the through-hole simultaneously, avoid the brake control pencil of overlength to expose outside, prevent that the in-process that people ridden from being hooked on by other article, greatly improved the security when people ride.

Description

Threading type wrist group for bicycle

Technical Field

The utility model relates to a bicycle wrist group technical field specifically is a bicycle is used line formula wrist group.

Background

The bicycle is also called as a bicycle or a bicycle, generally refers to a two-wheeled small land vehicle, and is a green environment-friendly vehicle by taking pedals as power after people ride the bicycle, so that the bicycle can be divided into a guide system, a driving system and a braking system, wherein a wrist group mechanism on the guide system is an important component, a bowl group is an important coarse precision part in modern mechanical equipment, and the bowl group has the main functions of supporting a mechanical rotating body in the radial direction and the axial direction simultaneously, reducing the friction coefficient in the movement process of the mechanical rotating body, and connecting a front fork, a handlebar and a frame head pipe, so that the head can rotate flexibly, and the direction of the bicycle can be controlled when people ride the bicycle.

After mass search, the prior art is found, and publication number is CN2522333, which discloses a headset with an improved structure, mainly comprising a cover body, an upper bearing set and a lower bearing set, wherein the upper bearing set and the lower bearing set respectively comprise a bearing seat, a ball rail and a waterproof ring cover, the cover body is a structure which is arranged in a separated manner and mainly comprises an arc cover and a clamping body, the inner edge of the clamping body is extended and provided with an end face, the outer edge of the end face is provided with a stress part, a conical surface and an extension part, the stress part is arranged at the bottom surface of the center of the arc cover and is in a structure limited by the arc cover, the conical surface is arranged to be clamped and abutted against the conical part of the ball rail, and the extension part is arranged at the inner edge of the bearing set. The extension part extended from the conical surface of the clamp body can be arranged between the front fork steel pipe and the frame when in configuration, and the cover body with a separated structure enables the stress part, the conical surface and the extension part arranged on the clamp body to achieve a structure and an effect that the stress part, the conical surface and the extension part can be smoother and can be tightly attached when the integral structure acts, thereby having industrial utilization value.

To sum up, current bicycle wrist group can carry out nimble rotation to supporting locomotive and handle, and be provided with many pencil such as gear shifting line and brake control pencil on locomotive and the handle, many pencil can twine together for the surface of bicycle wrist group is very unsightly, and the pencil that exposes simultaneously is hooked on by other article at the in-process of traveling easily, makes people ride the time by the area fall, and the security is relatively poor, can't satisfy the in-service use demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle is with line formula wrist group to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bicycle is with line-passing wrist group, includes wrist group, frame head pipe and upper arm group down, the lower extreme opening part joint of frame head pipe has wrist group down, the upper end opening part joint of frame head pipe has upper arm group, the through-hole has been seted up to the inside of frame head pipe, wrist group down with the one side equidistance that deviates from mutually of upper arm group has seted up the through wires hole, just the through wires hole is located the inside upper and lower opening part of through-hole is aligned, the inside activity of through-hole is pegged graft and is had the standpipe that turns to, the both ends activity joint that turns to the standpipe has the bowl lid, wrist group down with the one end opening part joint that upper arm group deviates from mutually has the packing ring, the inside of packing ring is provided with the spacing ring, the spacing ring with the ball has been placed between the packing ring.

Preferably, the surfaces of the lower wrist group and the upper wrist group are provided with two threading holes. The bicycle brake control device has the advantages that brake control harnesses of front and rear wheels of a bicycle can conveniently penetrate through the frame head pipe respectively, so that different brake control harnesses can be distinguished, and the two brake control harnesses are prevented from being wound together.

Preferably, the lower wrist group and the upper wrist group are equidistantly provided with a wire clamping frame at one side which deviates from each other, and the wire clamping frames are arranged at the opening of the threading hole. The brake control wire harness can be fixed through the wire clamping frame, and the brake control wire harness is prevented from frequently rubbing against the opening of the threading hole.

Preferably, one side of the limiting ring opposite to the gasket is provided with an arc-shaped sliding groove, and the ball is matched with the sliding groove. The ball can be assembled through the sliding grooves of the limiting ring and the gasket, so that the limiting ring and the gasket can rotate flexibly, and friction is avoided due to the fact that the inner walls of the limiting ring and the gasket directly generate friction.

Preferably, two screw grooves are formed in the outer wall of the steering vertical pipe, two positioning nuts are in threaded connection with the screw grooves, and the positioning nuts are in contact with the surface of the bowl cover. Can fix the standpipe that turns to in the through-hole of frame head pipe through spiral groove and set nut to the bowl lid at both ends about the clamp is tight, makes the ball can firmly press from both sides between spacing ring and packing ring, prevents that the production clearance from producing and rocking, and stability when simultaneously connecting through two nut multiplicable nuts takes place to become flexible when avoiding single nut to receive the vibration.

Compared with the prior art, the beneficial effects of the utility model are that: the device is through all seting up a plurality of through wires holes on wrist group and last wrist group down for people can carry out the threading management respectively with the brake control pencil of front and back wheel, avoid many pencil twines together, not only effectively improved the aesthetic property of bicycle wrist group, still can restraint the inside at the through-hole with the brake control pencil of bicycle wrist group one side simultaneously, avoid the brake control pencil of overlength to expose in the outside of bicycle wrist group, the in-process that prevents people from riding is hooked on by other article, the security when having greatly improved people and riding.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the clamping frame structure shown in FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a lower wrist group; 2. threading holes; 3. a frame head tube; 4. a steering vertical pipe; 5. a through hole; 6. a wire clamping frame; 7. an upper wrist group; 8. a bowl cover; 9. positioning a nut; 10. a screw groove; 11. a limiting ring; 12. a ball bearing; 13. a gasket; 14. brake control pencil.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-3, the utility model provides a bicycle threading wrist assembly, which comprises a lower wrist assembly 1, a frame head tube 3 and an upper wrist assembly 7, wherein the lower end opening of the frame head tube 3 is connected with the lower wrist assembly 1 in a clamping manner, the upper end opening of the frame head tube 3 is connected with the upper wrist assembly 7 in a clamping manner, a through hole 5 is arranged inside the frame head tube 3, threading holes 2 are arranged on the opposite sides of the lower wrist assembly 1 and the upper wrist assembly 7 in an equidistant manner, the upper and lower openings of the threading holes 2 in the through hole 5 are aligned, two threading holes 2 are arranged on the surfaces of the lower wrist assembly 1 and the upper wrist assembly 7, so that brake control harnesses 14 of front and rear wheels of a bicycle can respectively pass through the frame head tube 3, different brake control harnesses 14 can be distinguished, and two brake control harnesses 14 are prevented from being wound together, a clamping wire frame 6 is arranged on the opposite sides of the lower wrist assembly 1 and the upper wrist assembly 7, and the opening part at through wires hole 2 is all installed to card line frame 6, can fix brake control pencil 14 through card line frame 6, avoid brake control pencil 14 frequent with the opening part of through wires hole 2 take place the friction, brake control pencil 14's life has effectively been improved, the inside activity of through-hole 5 is pegged graft and is had steering standpipe 4, the both ends activity joint that turns to standpipe 4 has bowl lid 8, the one end opening part joint that lower wrist group 1 and upper wrist group 7 deviate from mutually has packing ring 13, the inside of packing ring 13 is provided with spacing ring 11, ball 12 has been placed between spacing ring 11 and packing ring 13.

Example two

As shown in fig. 1-3, the utility model provides a bicycle is with line formula wrist group that crosses compares in embodiment one, and this embodiment still includes: the opposite sides of the limiting ring 11 and the gasket 13 are arc-shaped chutes, the balls 12 are matched with the chutes, the balls 12 can be assembled through the chutes of the limiting ring 11 and the gasket 13, so that the limiting ring 11 and the gasket 13 can flexibly rotate, direct friction between the inner walls of the limiting ring 11 and the gasket 13 is avoided, the limiting ring 11 and the gasket 13 can form a bearing so as to support the steering vertical pipe 4 to rotate, the outer wall of the steering vertical pipe 4 is provided with two spiral grooves 10, the spiral grooves 10 are in threaded connection with two positioning nuts 9, the positioning nuts 9 are in contact with the surface of the bowl cover 8, the steering vertical pipe 4 can be fixed in the through hole 5 of the frame head pipe 3 through the spiral grooves 10 and the positioning nuts 9, and the bowl covers 8 at the upper end and the lower end are clamped, so that the balls 12 can be firmly clamped between the limiting ring 11 and the gasket 13, the generation of gap shaking is prevented, and the stability of nut connection can be increased through the double nuts, the single nut is prevented from loosening when being vibrated, and the practicability of the device is greatly improved.

In the embodiment, the plurality of threading holes 2 are formed in the lower wrist group 1 and the upper wrist group 7, when people assemble the bicycle wrist group structure, the brake control harnesses 14 of front and rear wheels of a bicycle respectively penetrate through the threading holes 2 of the lower wrist group 1 and the upper wrist group 7, and the brake control harnesses 14 are controlled by the wire clamping frames 6 at the upper end and the lower end of the device, so that the brake control harnesses 14 can be hidden through the through holes 5 of the frame head pipe 3, the overlong brake control harnesses 14 are prevented from being exposed outside the bicycle wrist group and effectively restrained and distinguished, the plurality of harnesses are prevented from being wound together, the appearance attractiveness of the bicycle wrist group is greatly improved, meanwhile, the brake control harnesses 14 at one side of the bicycle wrist group can be bound inside the through holes 5, the overlong brake control harnesses 14 are prevented from swinging during riding, and the brake control harnesses 14 are effectively prevented from being hooked by other objects during riding, the bicycle is prevented from being fallen down when people ride, and the safety of people during riding is greatly improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a bicycle is with line formula wrist group, includes wrist group (1), frame head pipe (3) and last wrist group (7) down, its characterized in that: a lower wrist group (1) is clamped at the lower end opening of the frame head pipe (3), an upper wrist group (7) is clamped at the upper end opening of the frame head pipe (3), a through hole (5) is arranged inside the frame head pipe (3), threading holes (2) are arranged on the opposite sides of the lower wrist group (1) and the upper wrist group (7) at equal intervals, and the upper and lower openings of the threading hole (2) in the through hole (5) are aligned, a steering vertical pipe (4) is movably inserted in the through hole (5), bowl covers (8) are movably clamped at two ends of the steering vertical pipe (4), a gasket (13) is clamped at an opening at one end of the lower wrist group (1) and the upper wrist group (7) which are deviated from each other, a limiting ring (11) is arranged inside the gasket (13), and a ball (12) is placed between the limiting ring (11) and the gasket (13).

2. A bicycle cross-cord wrist assembly according to claim 1, wherein: the surface of the lower wrist group (1) and the surface of the upper wrist group (7) are provided with two threading holes (2).

3. A bicycle cross-cord wrist assembly according to claim 1, wherein: lower wrist group (1) with one side equidistance that upper arm group (7) deviates from mutually installs card line frame (6), just card line frame (6) are all installed the opening part of through wires hole (2).

4. A bicycle cross-cord wrist assembly according to claim 1, wherein: the limiting ring (11) and one side opposite to the gasket (13) are arc-shaped sliding grooves, and the balls (12) are matched with the sliding grooves.

5. A bicycle cross-cord wrist assembly according to claim 1, wherein: two screw grooves (10) are formed in the outer wall of the steering vertical pipe (4), two positioning nuts (9) are in threaded connection with the screw grooves (10), and the positioning nuts (9) are in contact with the surface of the bowl cover (8).

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