阅读说明：本技术 一种转向机构 (Steering mechanism ) 是由 黄英可 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种转向机构,包括：车架、转向杆、前叉、联动件及锁紧机构,所述前叉与转向杆固定连接,所述前叉与车架之间形成可相对转动连接,所述联动件活动安装于前叉或转向杆或车架上,所述车架、前叉及转向杆三者之一与联动件设有相互配合的摩擦面,转向杆不转动时,联动件的摩擦面在锁紧机构的作用下与车架或前叉或转向杆上的摩擦面相抵接,转向杆需要转动时,拨动锁紧机构,使联动件的摩擦面与车架或前叉或转向杆上的摩擦面相松开的同时,转向杆带动前叉转动,从而大大提高了骑行的安全性能。(The invention discloses a steering mechanism, comprising: the bicycle comprises a frame, a steering rod, a front fork, a linkage piece and a locking mechanism, wherein the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable manner, the linkage piece is movably arranged on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted against the friction surfaces on the frame or the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, so that the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces on the frame or the front fork or the steering rod are loosened, and the riding safety performance is greatly improved.)

1. A steering mechanism characterized by: the method comprises the following steps: the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable mode, the linkage piece is movably mounted on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted to the friction surfaces of the frame, the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces of the frame, the front fork or the steering rod are loosened.

2. A steering mechanism according to claim 1, wherein: the front fork comprises a front fork main body part and a front fork vertical shaft fixedly connected with the front fork main body part, and the frame comprises a frame main body part and a mounting seat fixedly connected with the frame main body part.

3. A steering mechanism according to claim 2, wherein: the front fork vertical shaft is installed in the installation seat, the installation seat is provided with a boss protruding outwards in the radial direction, an accommodating cavity for accommodating the linkage part is formed in the boss, the friction surface of the frame is arranged on the cavity wall of the accommodating cavity of the boss, a hole matched with the linkage part is formed in the front fork vertical shaft, the linkage part is movably installed in the hole, and the friction surface of the linkage part is arranged on the outer side surface of the linkage part or on the upper surface and the lower surface of the linkage part.

4. A steering mechanism according to claim 3, wherein: the friction surface on the linkage piece comprises a first friction surface arranged on the upper surface of the linkage piece and a second friction surface arranged on the lower surface of the linkage piece, the friction surface on the cavity wall of the accommodating cavity of the boss comprises a third friction surface and a fourth friction surface, the first friction surface is matched with the third friction surface to form a first group of matching surfaces, the second friction surface is matched with the fourth friction surface to form a second group of matching surfaces, and at least one group of matching surfaces are matched with each other through conical surfaces in the first group of matching surfaces and the second group of matching surfaces.

5. A steering mechanism according to claim 2, wherein: the front fork vertical shaft is provided with a connecting piece, the linkage piece is arranged on the outer side of the mounting seat, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the frame is arranged on the outer side wall of the mounting seat, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.

6. A steering mechanism according to claim 2, wherein: the connecting piece is arranged on the mounting seat, the linkage piece is arranged on the outer side of the front fork vertical shaft, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the front fork is arranged on the outer side wall of the front fork vertical shaft, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.

7. A steering mechanism according to claim 3, wherein: the locking mechanism comprises a locking head, a spring, an unlocking piece and a spring stopper, wherein the locking head, the spring, the unlocking piece and the spring stopper are matched with the linkage piece, the unlocking piece is a pull rod or a pull rope, one end of the locking head is fixedly connected with the unlocking piece, the other end of the locking head is matched with the linkage piece, one end of the spring is abutted against the locking head, and the other end of the spring is abutted against the spring stopper.

8. A steering mechanism according to claim 5 or 6, wherein: locking mechanism includes the pressure spring and releases the lock, the quantity of linkage is two, the one end and one of them linkage looks butt of pressure spring, the other end and another linkage looks butt of pressure spring, it includes to release the lock: the wire drawing device comprises a wire drawing, a flexible sleeve sleeved on the wire drawing and metal pieces arranged at two ends of the flexible sleeve.

9. A steering mechanism according to claim 5 or 6, wherein: the locking mechanism comprises a spring, an unlocking piece and a spring stopper, the number of the linkage pieces is one, the unlocking piece is a pull rod or a pull rope, one end of the spring is abutted against the linkage piece, and the other end of the spring is abutted against the spring stopper.

10. A steering mechanism according to claim 1, wherein: and a steering handle is arranged on the steering rod.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of bicycles, in particular to a steering mechanism.

[ background of the invention ]

The bicycle generally comprises a frame, a steering mechanism, a treading mechanism, a front fork, a rear fork, a front wheel and a rear wheel, wherein the bicycle in the prior art comprises a front-wheel bicycle and a rear-wheel bicycle, the front-wheel bicycle directly drives the front wheel by the treading mechanism, the rear wheel rotates by the treading mechanism, the rear-wheel bicycle directly drives the rear wheel by the treading mechanism, and the front wheel rotates by the rear-wheel bicycle, as is well known, the steering mechanism of the bicycle is generally arranged above the front fork, if the bicycle is the rear-wheel bicycle, the steering mechanism is arranged in front, the treading mechanism is behind, so the rear treading mechanism only causes small interference to the front steering mechanism when treading, if the front-wheel bicycle is arranged in front of the bicycle, the treading mechanism has a force to act on the steering mechanism when treading, the steering mechanism shakes left and right, and the steering mechanism is originally arranged to play a steering role when needing to steer, still need steering mechanism not receive the interference of trampling the mechanism when the vehicle normally rides to avoid steering mechanism to rock about the vehicle normally rides, bring the potential safety hazard for riding.

Therefore, it is necessary to provide a steering mechanism that solves the above technical problems.

[ summary of the invention ]

In order to solve the technical problems, the invention aims to provide a steering mechanism which is simple in structure and convenient to mount.

The technical scheme adopted by the invention is as follows: a steering mechanism comprising: the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable mode, the linkage piece is movably mounted on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted to the friction surfaces of the frame, the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces of the frame, the front fork or the steering rod are loosened.

Preferably, a steering mechanism in the present invention is further provided with: the front fork comprises a front fork main body part and a front fork vertical shaft fixedly connected with the front fork main body part, and the frame comprises a frame main body part and a mounting seat fixedly connected with the frame main body part.

Preferably, a steering mechanism in the present invention is further provided with: the front fork vertical shaft is installed in the installation seat, the installation seat is provided with a boss protruding outwards in the radial direction, an accommodating cavity for accommodating the linkage part is formed in the boss, the friction surface of the frame is arranged on the cavity wall of the accommodating cavity of the boss, a hole matched with the linkage part is formed in the front fork vertical shaft, the linkage part is movably installed in the hole, and the friction surface of the linkage part is arranged on the outer side surface of the linkage part or on the upper surface and the lower surface of the linkage part.

Preferably, a steering mechanism in the present invention is further provided with: the friction surface on the linkage piece comprises a first friction surface arranged on the upper surface of the linkage piece and a second friction surface arranged on the lower surface of the linkage piece, the friction surface on the cavity wall of the accommodating cavity of the boss comprises a third friction surface and a fourth friction surface, the first friction surface is matched with the third friction surface to form a first group of matching surfaces, the second friction surface is matched with the fourth friction surface to form a second group of matching surfaces, and at least one group of matching surfaces are matched with each other through conical surfaces in the first group of matching surfaces and the second group of matching surfaces.

Preferably, a steering mechanism in the present invention is further provided with: the front fork vertical shaft is provided with a connecting piece, the linkage piece is arranged on the outer side of the mounting seat, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the frame is arranged on the outer side wall of the mounting seat, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.

Preferably, a steering mechanism in the present invention is further provided with: the connecting piece is arranged on the mounting seat, the linkage piece is arranged on the outer side of the front fork vertical shaft, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the front fork is arranged on the outer side wall of the front fork vertical shaft, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.

Preferably, a steering mechanism in the present invention is further provided with: the locking mechanism comprises a locking head, a spring, an unlocking piece and a spring stopper, wherein the locking head, the spring, the unlocking piece and the spring stopper are matched with the linkage piece, the unlocking piece is a pull rod or a pull rope, one end of the locking head is fixedly connected with the unlocking piece, the other end of the locking head is matched with the linkage piece, one end of the spring is abutted against the locking head, and the other end of the spring is abutted against the spring stopper.

Preferably, a steering mechanism in the present invention is further provided with: locking mechanism includes the pressure spring and releases the lock, the quantity of linkage is two, the one end and one of them linkage looks butt of pressure spring, the other end and another linkage looks butt of pressure spring, it includes to release the lock: the wire drawing device comprises a wire drawing, a flexible sleeve sleeved on the wire drawing and metal pieces arranged at two ends of the flexible sleeve.

Preferably, a steering mechanism in the present invention is further provided with: the locking mechanism comprises a spring, an unlocking piece and a spring stopper, the number of the linkage pieces is one, the unlocking piece is a pull rod or a pull rope, one end of the spring is abutted against the linkage piece, and the other end of the spring is abutted against the spring stopper.

Preferably, a steering mechanism in the present invention is further provided with: and a steering handle is arranged on the steering rod.

Compared with the prior art, the invention has the following beneficial effects: the invention realizes the following steering mechanism through a series of structural designs: when the front wheel does not need to turn, the front fork, the steering rod and the frame are fixedly held, and when the front wheel needs to turn, the front fork, the steering rod and the frame are loosened, so that the interference of a treading mechanism of a vehicle on the steering mechanism during normal running can be avoided, and the riding safety performance is greatly improved.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a steering mechanism in embodiment 1 of the present invention.

Fig. 2 is an exploded schematic view of a steering mechanism in embodiment 1 of the present invention.

Fig. 3 is a schematic sectional view showing a steering mechanism in embodiment 1 of the present invention.

Fig. 4 is a schematic sectional view of a steering mechanism in embodiment 2 of the present invention.

Fig. 5 is a schematic view of the mounting structure of the locking mechanism and the link member in embodiment 2 of the present invention.

Fig. 6 is a schematic view of the mounting structure of the locking mechanism and the link member in embodiment 3 of the present invention.

In fig. 1 to 3: 1. the bicycle frame comprises a bicycle frame body 10, a bicycle frame body part 11, a mounting seat 110, a boss 111, a containing cavity 1110, a third friction surface 1111, a fourth friction surface 2, a steering rod 20, a bicycle handle 3, a front fork 30, a front fork body part 31, a front fork vertical shaft 310, a hole 4, a linkage part 40, a first friction surface 41, a second friction surface 5, a locking mechanism 50, a locking head 51, a spring 52, an unlocking part 53, a spring stopper 6 and a bearing.

In fig. 4 to 5: 1. the automobile steering wheel comprises a frame, 11, a mounting seat, 110, a second friction surface, 2, a steering rod, 3, a front fork, 31, a front fork vertical shaft, 4, a linkage piece, 40, a first friction surface, 5, a locking mechanism, 50, a pressure spring, 51, an unlocking piece, 510, a wire drawing, 511, a soft sleeve, 512, a metal piece, 6, a bearing, 7 and an L-shaped connecting piece.

In fig. 6: 1. frame, 11, mount pad, 110, second friction surface, 2, steering column, 3, front fork, 4, linkage, 40, first friction surface, 5, locking mechanism, 50, spring, 51, unblock spare, 52, spring catch, 7, L type connecting piece.

[ detailed description ] embodiments

A steering mechanism according to the present invention will be described in further detail below with reference to specific embodiments.