CN213800047U

CN213800047U - Adjustable steering mechanism of tricycle

Info

Publication number: CN213800047U
Application number: CN202022916473.XU
Authority: CN
Inventors: 王保军; 瞿明
Original assignee: CHONGQING HUANGHE MOTORCYCLE CO LTD
Current assignee: CHONGQING HUANGHE MOTORCYCLE CO LTD
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-27
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a tricycle adjustable steering mechanism, which comprises a vehicle rack, the front end welding of frame girder has the front fork riser, rotatable cooperation front fork steering column in the front fork riser, the front end welding of front fork riser has a retractable support arm, along the locomotive direction, the retractable support arm extends in the slant, has the direction riser at the front end welding of retractable support arm, rotatable cooperation direction stand in the direction riser, and the upper end installation direction handle of direction stand links to each other through aggregate unit between direction stand and the front fork steering column. The utility model discloses simple structure can adjust the distance between direction handle and the driver's seat according to the crowd's demand of driving different to improve driving comfort and driving safety nature.

Description

Adjustable steering mechanism of tricycle

Technical Field

The utility model relates to a tricycle turns to technical field, concretely relates to tricycle adjustable steering mechanism.

Background

The tricycle is a combination of a rickshaw and a bicycle, and can be divided into a manual tricycle and an electric tricycle. The tricycle is more and more popular with people due to small volume, energy conservation and environmental protection.

As is well known, a steering mechanism is a mechanism for controlling the steering of a vehicle. As shown in fig. 1, the existing tricycle steers the front wheels by operating the steering handle 7, and the distance between the steering handle 7 and the driver's seat 11 is in a fixed mode, i.e., the horizontal distance and height between the steering handle 7 and the driver's seat 11 are not adjustable. For different user groups, for example: the comfort level of the old, the young, the short, the tall and the like is different. The operation distance of the taller and fatteness person is too close, and the person bends over to drive; or for short, thin people, the steering distance is too far, and the steering handle is difficult to hold. The tricycle steering mechanism in the prior art is poor in operation comfort and difficult to meet the driving requirements of different crowds.

Therefore, how to improve driving comfort aiming at driving habits of different people is a technical problem to be solved urgently by the prior art staff to grasp directions with a relaxed and natural sitting posture during driving.

SUMMERY OF THE UTILITY MODEL

Defect among the prior art, the utility model provides a tricycle adjustable steering mechanism, it can adjust the distance between direction handle and the driver's seat in order to improve the driving comfort degree according to different driver crowd demands.

In order to realize the above-mentioned purpose, the utility model provides a tricycle adjustable steering mechanism, which comprises a vehicle rack, the front end welding of frame girder has the front fork riser, rotatable cooperation front fork steering column in the front fork riser, the front end welding of front fork riser has a retractable support arm, along the locomotive direction, the retractable support arm extends in the slant, and it has the direction riser to weld at the front end of retractable support arm, rotatable cooperation direction stand in the direction riser, the upper end installation direction handle of direction stand links to each other through aggregate unit between direction stand and the front fork steering column.

Preferably, the linkage device comprises a push-pull rod, a direction upright swing arm is mounted at the lower end of the direction upright, a front fork steering column swing arm is mounted at the lower end of the front fork steering column, and the push-pull rod is fixedly connected between the direction upright swing arm and the front fork steering column swing arm.

Preferably, the retractable support arm includes a support arm front section and a support arm rear section which are of a split structure, wherein the support arm front section is welded to the direction vertical tube, the support arm rear section is welded to the front fork vertical tube, and the support arm front section can stretch and fix along the length direction of the support arm rear section.

Preferably, the rear section of the support arm is provided with a guide sliding groove extending along the length direction of the support arm, and the front section of the support arm extends into the guide sliding groove and is in sliding fit with the guide sliding groove.

Preferably, the front section of the support arm is provided with a through front section positioning hole, the front section positioning hole extends along the length direction of the front section of the support arm, the rear section of the support arm is provided with a corresponding rear section positioning hole, and a fastening bolt penetrates through the front section positioning hole and the rear section positioning hole to be tightly matched with a nut so as to fix the front section of the support arm and the rear section of the support arm.

Preferably, the telescopic length range of the telescopic supporting arm is 100-350 mm.

The utility model discloses following beneficial effect has:

the utility model discloses an ingenious fixed connection retractable support arm between front fork riser and direction riser, installation front fork steering column in the front fork riser, installation direction stand in the direction riser links to each other through aggregate unit between direction stand and the front fork steering column. According to different crowds needs during the use, adjust the distance between direction handle and the driver's seat promptly through the flexible length of adjusting the retractable support arm for the driver can master the direction handle with light, natural position of sitting, improves driving comfort and driving safety nature.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of a steering mechanism of a tricycle in the prior art;

fig. 2 is a schematic structural view of an adjustable steering mechanism of a tricycle according to an embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a connection between a front fork stem and a steering stem of the adjustable steering mechanism of the tricycle according to the embodiment of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 2;

fig. 5 is a schematic structural view of the retractable support arm according to an embodiment of the present invention;

reference numerals

1-a main beam; 2-front fork riser; 3-a front fork steering column; 4-a telescoping support arm; 4 a-support arm front section; 4 b-support arm rear section; 4a 1-anterior segment pilot hole; 4b 1-rear positioning holes; a 5-direction riser; 6-direction upright post; 7-a direction handle; 8, a push-pull rod; 9-direction upright post swing arm; 10-front fork steering column swing arm; 11-driver seat; 12-a bolt; 13-guide chute.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the following further detailed description of the embodiments of the present application with reference to the drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the present embodiment, the terms "upper", "lower", 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, but do not indicate or imply that the indicated devices or elements must have a specific orientation, be configured or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Please refer to fig. 2 to 5, an adjustable steering mechanism of a tricycle, comprising a frame, a front fork stem 2 welded at the front end of a frame main beam 1, a front fork steering column 3 rotatably fitted in the front fork stem 2, a retractable support arm 4 welded at the front end of the front fork stem 2, along the direction of the tricycle head, the retractable support arm 4 extends obliquely upwards, a direction stem 5 welded at the front end of the retractable support arm 4, a direction upright 6 rotatably fitted in the direction stem 5, a direction handle 7 installed at the upper end of the direction upright 6, and the direction upright and the front fork steering column are connected through a linkage device. The linkage device comprises a push-pull rod 8, a direction upright column swing arm 9 is installed at the lower end of the direction upright column 6, a front fork steering column swing arm 10 is installed at the lower end of the front fork steering column 3, the push-pull rod 8 is fixedly connected between the direction upright column swing arm 9 and the front fork steering column swing arm 10, and the length of the push-pull rod 8 is adjustable.

When a driver operates the steering handle 7, the steering column 6 drives the front fork steering column 3 to rotate through the push-pull rod 8, and then the front wheel of the tricycle is steered. The driving requirements of different crowds are met by adjusting the telescopic length of the telescopic supporting arm 4, namely adjusting the distance between the steering handle 7 and the driver seat 11.

Further, retractable support arm 4 is including being the support arm anterior segment 4a and the support arm back end 4b of components of a whole that can function independently structure, wherein support arm anterior segment 4a and the welding of direction riser 5, support arm back end 4b and the welding of front fork riser 2, and support arm anterior segment 4a can be followed the length direction of support arm back end 4b and is stretched out and drawn back and fixed.

For the convenience of adjusting the length of retractable support arm 4 in this scheme, support arm back end 4b can be provided with the direction spout 13 that extends along its length direction, and support arm anterior segment 4a stretches into in this direction spout and realizes the flexible of support arm anterior segment 4a with direction spout sliding fit. Support arm anterior segment 4a is equipped with the anterior segment locating hole 4a1 that link up, and anterior segment locating hole 4a1 extends along the length direction of support arm anterior segment 4a, is equipped with corresponding back end locating hole 4b1 at support arm back end 4b, and fastening bolt 12 passes anterior segment locating hole, back end locating hole and nut tight fit and fixes support arm anterior segment and support arm back end. Like this, the driver can convenient and fast adjust the length of retractable support arm 4, has also further improved regulation efficiency. More preferably, the telescopic length of the telescopic support arm 4 ranges from 100 mm to 350 mm.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The utility model provides a tricycle adjustable steering mechanism, includes the frame, its characterized in that, the front end welding of frame girder has the front fork riser, rotatable cooperation front fork steering column in the front fork riser, the front end welding of front fork riser has a retractable support arm, along the locomotive direction, the retractable support arm extends in the slant, has the direction riser in the front end welding of retractable support arm, rotatable cooperation direction stand in the direction riser, the upper end installation direction handle of direction stand, links to each other through aggregate unit between direction stand and the front fork steering column.

2. The adjustable steering mechanism of a tricycle of claim 1, wherein: the linkage device comprises a push-pull rod, a direction upright column swing arm is installed at the lower end of the direction upright column, a front fork steering column swing arm is installed at the lower end of the front fork steering column, and the push-pull rod is fixedly connected between the direction upright column swing arm and the front fork steering column swing arm.

3. The adjustable steering mechanism of a tricycle of claim 1 or 2, wherein: the telescopic support arm comprises a support arm front section and a support arm rear section which are of a split structure, wherein the support arm front section is welded with the direction vertical pipe, the support arm rear section is welded with the front fork vertical pipe, and the support arm front section can stretch and be fixed along the length direction of the support arm rear section.

4. The adjustable steering mechanism of a tricycle of claim 3, wherein: the support arm back end is provided with a guide sliding groove extending along the length direction of the support arm, and the support arm front end extends into the guide sliding groove and is in sliding fit with the guide sliding groove.

5. The adjustable steering mechanism of a tricycle of claim 4, wherein: the front section of the supporting arm is provided with a through front section positioning hole, the front section positioning hole extends along the length direction of the front section of the supporting arm, the rear section of the supporting arm is provided with a corresponding rear section positioning hole, and a fastening bolt penetrates through the front section positioning hole and the rear section positioning hole to be tightly matched with a nut to fix the front section of the supporting arm and the rear section of the supporting arm.

6. The adjustable steering mechanism of a tricycle of claim 5, wherein: the telescopic length range of the telescopic supporting arm is 100-350 mm.