CN212529929U - Front wheel directional structure of bicycle - Google Patents

Abstract

The utility model relates to a front wheel directional structure of bicycle, mainly after the bicycle is folded up, utilize the lock piece of establishing on the front wheel fork to buckle for establishing the fastener on the steering spindle sleeve pipe and establish, fixed front wheel fork and steering spindle sleeve pipe make the shaft of establishing the front wheel of front wheel fork keep parallel state with the rear wheel shaft after the bicycle is folded up, make things convenient for the consumer to hold bicycle seat pad application of force to push away after the bicycle is folded up, or hold the handle application of force to pull with the hand and hold the removal.

Description

Front wheel directional structure of bicycle

Technical Field

The present invention relates to a front wheel directional structure of a bicycle, and more particularly to a front wheel directional structure of a bicycle, which can fix the direction of the front wheel after the bicycle is folded, and is not deflected, so as to facilitate the user to push or pull the bicycle to move by holding the bicycle seat cushion or handle.

Background

With the improvement of life quality, people gradually realize health, namely wealth, and lose health, namely wealth; therefore, the leisure activity can be carried out during the rest of the work, and the interest of the individual in the leisure activity and the active participation of the individual can be utilized to improve the health and soothe the mind.

In recent years, with the rising of environmental awareness and the development of energy-saving and carbon-reducing policies, health issues are emphasized, so that the riding of bicycles becomes a popular leisure activity. Therefore, governments plan a plurality of bicycle exclusive lanes for users to want to ride under safety regulations; however, in some areas, the user must get off the bicycle to move the bicycle in a walking manner, and it is relatively convenient to fold the bicycle and move the bicycle in a folded state in consideration of the large number of people passing through the areas.

Please refer to taiwan patent TWI661964B and japanese patent JP6625722, which are patents of the present applicant for a bicycle folding structure that is approved earlier, and mainly aim at folding the bicycle to reduce the volume and avoid occupying space when the bicycle is not ridden; however, the bicycle proposed in the above-mentioned utility model patent is not only laborious for the user to move the bicycle in a lifting manner after being folded, but also impossible for the user with small strength to lift, and therefore, the bicycle can only be pulled in an unfolded state, which is quite inconvenient for the user to walk in a large space or in a narrow space (such as a station, a bus or a train), i.e. the problem of moving the bicycle after being folded is not considered in the above-mentioned utility model patent; therefore, how to provide a foldable bicycle with smooth movement effect is the improvement of the prior art.

SUMMERY OF THE UTILITY MODEL

The main objective of the present invention is to provide a front wheel directional structure of a bicycle, which is mainly characterized in that the front wheel direction of the bicycle after being folded is fixed, and the front wheel direction is the same as the rear wheel direction, so as to avoid the situation of interference with each other and affecting the movement when pushing the bicycle after being folded because of the inconsistent directions of the front and rear wheels.

The purpose and the efficacy of the utility model are realized by the following technologies:

a front wheel directional structure of a bicycle comprises a buckling block and a fastener; the fastener is pivoted on a front wheel fork of a bicycle, the front wheel fork penetrates through a steering shaft sleeve and then is fixedly connected with a handle steering shaft, and the front wheel fork is assembled with a front wheel; the buckling block is arranged on the steering shaft sleeve and corresponds to the fastener, and the steering shaft sleeve is connected with the framework of the bicycle; when the bicycle is folded and the fastener is correspondingly buckled with the buckling block, the direction of the front wheel is fixed, and a user can hold the bicycle seat cushion by hands to push and move or hold the handle by hands to pull and displace.

The front wheel orientation structure of the bicycle comprises two side walls, wherein a top wall is connected between the top ends of the two side walls, so that the fastener is U-shaped, and a through hole is formed in one end, far away from the end connected with the top wall, of the two side walls; the front wheel fork is provided with a pivot lug which is provided with a through hole corresponding to the through holes on the two side walls, a pair of lock screws sequentially pass through the through hole of one side wall, the through hole of the pivot lug and the through hole of the other side wall and pass through the through hole of the other side wall, and a pair of lock nuts are locked with the pair of lock screws passing through the through hole of the other side wall.

The front wheel orienting structure of the bicycle as described above, wherein a trigger block extends from the top wall.

The utility model has the advantages that:

the utility model discloses mainly after the bicycle is folded up, can utilize the lock piece of establishing on the steering spindle sleeve pipe to detain for the fastener on the front wheel fork and establish, originally be pivotable state lock solid location between front wheel fork and the steering spindle sleeve pipe, it rotates to make the front wheel fork can't turn to the spindle sleeve pipe relatively again, and then make its shaft of front wheel pivot group and the parallel state of rear wheel shaft fixed, the person of facilitating the use is with the hand cushion department of folding back bicycle, the bicycle that folds up is pushed away in light application of force, or make the user hold the handle department of folding back bicycle with the hand, the bicycle that folds up is shifted in light application of force pulling.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.

FIG. 1 is a perspective view of the fastener of the present invention;

FIG. 2 is a perspective view of the fastener of the present invention in another direction;

FIG. 3 is a schematic view of the fastener of the present invention in a state where the handle is not fastened to the front wheel;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of the fastener of the present invention in a state where the handle cannot control the direction of the front wheel;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 shows the foldable bicycle with the buckle pieces fastened after the bicycle is folded, and the folded bicycle is pushed by the hand holding the seat cushion;

fig. 8 shows the fastening block fastened to the fastener after the bicycle is folded, and the handle is pulled by hand to pull the folded bicycle.

Description of reference numerals:

1: a bicycle;

11: a frame;

12: a steering shaft sleeve;

13: a handle steering shaft;

14: a handle;

15: a front wheel fork;

151: a pivot lug;

16: a front wheel;

17: a rear wheel;

18: a seat cushion;

2: buckling blocks;

3: a fastener;

31. 32: a side wall;

311. 321: perforating;

33: a top wall;

34: pulling a block;

35: locking screws;

36: and locking the screw cap.

Detailed Description

The details of the present invention can be more clearly understood with reference to the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of explanation only, and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may be present.

In order to make the technical content, the objects of the present invention and the functions achieved thereby more complete and clear, reference is made to the following detailed description, taken together with the accompanying drawings and the reference numerals:

please refer to fig. 3.

The utility model discloses a front wheel directional control mechanism department at a bicycle 1 is established to the front wheel directional structure of bicycle, this bicycle 1 establishes steering spindle sleeve pipe 12 at frame 11 front end, wear to establish front wheel fork 15 in this steering spindle sleeve pipe 12, make front wheel fork 15 can rotate in steering spindle sleeve pipe 12, handle steering spindle 13 is established in the 15 upper end connection of front wheel fork, handle steering spindle 13's upper end sets up handle 14 again, front wheel 16 is organized to front wheel fork 15's lower extreme pivot, when controlling handle 14, just can be through handle steering spindle 13, front wheel fork 15 interlock front wheel 16 redirecting.

Please refer to fig. 1 and fig. 2.

The utility model discloses a front wheel directional structure of a bicycle, which comprises a buckling block 2 and a fastener 3; wherein:

the fastener 3 is pivoted on the front wheel fork 15, the buckling block 2 is arranged on the steering shaft sleeve 12, the buckling block 2 corresponds to the fastener 3, so that the fastener 3 can be correspondingly buckled with the buckling block 2, and under the state that the fastener 3 is correspondingly buckled with the buckling block 2, the front wheel fork 15 cannot continuously rotate in the steering shaft sleeve 12 and is limited and fixed, so that the direction of a front wheel 16 linked with the front wheel fork 15 is fixed.

In a preferred embodiment of the front wheel directional structure of the bicycle of the present invention, the fastening member 3 comprises two side walls 31, 32, a top wall 33 is connected between the top ends of the two side walls 31, 32, so that the fastening member 3 is U-shaped, and the ends of the two side walls 31, 32 far from the end connected with the top wall 33 are provided with through holes 311, 321; in addition, the front wheel fork 15 is provided with a pivot lug 151, the pivot lug 151 is provided with a through hole (not shown in the figure), the pivot lug 151 is accommodated between the two side walls 31, 32 of the fastener 3, and the through hole corresponds to the through holes 311, 321 on the two side walls 31, 32, a pair of lock screws 35 sequentially pass through the through hole 311 of one side wall 31, the through hole of the pivot lug 151 and the through hole 321 of the other side wall 32 and pass through the through hole 321 of the other side wall 32, and a pair of lock nuts 36 is correspondingly locked with the pair of lock screws 35 passing through the through hole 321 of the other side wall 32, so that the fastener 3 is pivoted on the pivot lug 151.

In addition, in a preferred embodiment of the front wheel directional structure of the bicycle of the present invention, a pulling block 34 further extends from the top wall 33 of the fastening member 3, so that the user can apply a force to the pulling block 34 to fasten the fastening member 3 on the fastening block 2, or pull the fastening member 3 away from the fastening block 2 to release the fastening state between the fastening member 3 and the fastening block 2.

In order to maintain the turning operability of the handle 14, the fastener 3 is usually pulled away from the fastening block 2, so that the fastening state between the fastener 3 and the fastening block 2 is released, as shown in fig. 3 and 4.

When entering the area where the bicycle cannot be ridden, the bicycle frame is folded to the state shown in fig. 5 and 6 in order to reduce the volume, that is, the front wheel 16 and the rear wheel 17 are arranged in parallel (the wheel shafts of the front wheel 16 and the rear wheel 17 are parallel or overlapped), and the state of being arranged in parallel with the rear wheel 17 is maintained in order to fix the direction of the front wheel 16, the wrench block 34 can be applied with hand force, the fastener 3 is fastened with the fastening block 2, in this state, the front wheel fork 15 cannot rotate in the steering shaft sleeve 12, and the handle 14 is also fixed, the front wheel 16 cannot be operated to change the direction, and the consumer can hold the cushion 18 on the frame 11 with the hand to smoothly push the bicycle 1 to move as shown in fig. 7 because the direction of the fixed front wheel 16.

As shown in fig. 8, the present invention can also be folded up after the bicycle is folded up, and the fastening block 2 is fastened to the fastening member 3, so that the front wheel fork 15 can not rotate in the steering shaft sleeve 12, and the handle 14 is fixed, and the consumer can not control the front wheel 16 to change the direction, and hold the handle 14 with the hand to pull the bicycle 1 to move.

In the following description of the embodiments, the invention is described in detail, but the description is not to be construed as limiting the invention for any reason, and in particular, the features described in the different embodiments may be combined with each other as desired, thereby forming other embodiments, and the features are understood to be applicable to any one embodiment and not limited to the described embodiments unless explicitly described to the contrary.

Claims (3)

1. The front wheel directional structure of a kind of bicycle, characterized by, the front wheel directional structure of the bicycle includes a buckling block, a fastener; the fastener is pivoted on a front wheel fork of a bicycle, the front wheel fork penetrates through a steering shaft sleeve and then is fixedly connected with a handle steering shaft, and the front wheel fork is assembled with a front wheel; the buckling block is arranged on the steering shaft sleeve and corresponds to the fastener, and the steering shaft sleeve is connected with the framework of the bicycle; when the bicycle is folded and the fastener is correspondingly buckled with the buckling block, the direction of the front wheel is fixed, and a user can hold the bicycle seat cushion by hands to push and move.

2. The front wheel orienting structure for bicycles of claim 1, wherein the fastening member comprises two side walls, a top wall is connected between the top ends of the two side walls to make the fastening member in a U-shape, and a through hole is provided at one end of the two side walls away from the end connected with the top wall; the front wheel fork is provided with a pivot lug which is provided with a through hole corresponding to the through holes on the two side walls, a pair of lock screws sequentially pass through the through hole of one side wall, the through hole of the pivot lug and the through hole of the other side wall and pass through the through hole of the other side wall, and a pair of lock nuts are locked with the pair of lock screws passing through the through hole of the other side wall.

3. The front wheel orienting structure for a bicycle as in claim 2, wherein a trigger block extends from the top wall.

Images