CN218839670U

CN218839670U - Steering mechanism of electric tricycle

Info

Publication number: CN218839670U
Application number: CN202320018884.8U
Authority: CN
Inventors: 王雨阳; 李雪凤; 解涛; 严翠敏
Original assignee: Jiangsu Jinpeng Group Co Ltd
Current assignee: Jiangsu Jinpeng Group Co Ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-11
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses an electric tricycle steering mechanism belongs to electric tricycle steering accessory technical field, including the frame assembly, the frame assembly is equipped with riser before the frame, riser in-connection steering shaft before the frame, turn to and connect preceding wheel carrier, the side of steering shaft is equipped with straight fluted disc, straight fluted disc axis and steering shaft axis coincidence, the frame assembly is fixed with the support, the support side is equipped with the gear and keeps away the position groove, the cell wall that the groove was kept away to the support at the gear is equipped with the through-hole, be equipped with the steering wheel support on the support, the steering wheel support is equipped with the shaft hole, the shaft hole is crossing with the axis of through-hole, through-hole and shaft hole set the universal joint, the universal joint keeps away the inslot at the gear and has set cylinder straight-teeth gear, cylinder straight-teeth gear and straight-teeth dish external toothing, the universal joint upper end is connected with the steering wheel. Through the setting of universal joint to the structure of universal joint is connected, thereby makes the plane angle that the steering wheel was located no longer be related to the angle design of riser before the frame, and the plane angle that the steering wheel was located can be more rationalized the setting.

Description

Steering mechanism of electric tricycle

Technical Field

The utility model belongs to the technical field of electric tricycle turns to the accessory, especially, relate to an electric tricycle steering mechanism.

Background

At present, the steering structure of the electric tricycle mostly adopts the form of a traditional vehicle halter, the vehicle halter is linked with the front wheel shaft of the electric tricycle to realize the steering of the electric tricycle, the mode of steering by respectively holding one handle by two hands of a driver of the electric tricycle is adopted, when the electric tricycle needs to turn at a slow speed and a large amplitude, one end of the handle can be extruded to the driver, the other end of the handle can be far away from the driver, the driver is obviously inconvenient to operate the handle in a limited driving space, in some related technologies, technicians avoid the situation by adopting the form of linkage of a steering wheel and the front wheel shaft of the electric tricycle, if in the chinese utility model patent of publication number CN204432745U disclose an electric tricycle gear drive turns to structure, including fork arm, bearing, frame front riser, bolt, nut, steering direction ware, steering gear, steering wheel, the steering direction ware is the internal gear, wheel front fork arm pass through the bearing and install on the frame front riser, steering gear installs in wheel front riser upper end, steering direction ware relies on bolt, nut to fix on frame front riser, the steering wheel dress is turning to the steering direction ware epaxial, and the internal tooth that turns to the steering direction ware meshes with steering gear's external tooth mutually, adopts gear drive to move the automobile body through the steering wheel and turns to convenient operation. However, the inventor believes that the steering shaft of the steering wheel of the steering device is parallel to the front vertical pipe of the frame, so that the plane angle of the steering wheel is required to be limited by the design of the front vertical pipe of the frame, and the most comfortable angle required by a driver during driving cannot be well considered. Therefore, a steering mechanism of the electric tricycle needs to be designed.

It should be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus, may include information that does not constitute prior art.

SUMMERY OF THE UTILITY MODEL

The inventor discovers through research that the design that a steering shaft of a steering wheel of a steering direction device is parallel to a front vertical pipe of a frame, so that the plane angle of the steering wheel needs to be limited by the design angle of the front vertical pipe of the frame, and the driving experience of a driver cannot be considered.

In view of at least one of the above technical problems, the present disclosure provides an electric tricycle steering mechanism, which comprises the following specific technical solutions:

the utility model provides an electric tricycle steering mechanism, including the frame assembly, the frame assembly front end is equipped with riser before the frame, the riser passes through antifriction bearing and connects the steering spindle before the frame, the front wheel carrier is connected to the steering spindle lower extreme, the side of steering spindle is equipped with straight fluted disc, the axis of straight fluted disc coincides with the axis of steering spindle, the frame assembly is fixed with the support, the support side is equipped with the gear and keeps away the groove, the support keeps away the coaxial through-hole that is equipped with of upper and lower cell wall in groove at the gear, the support upper surface is equipped with the steering wheel support, the steering wheel support is equipped with the shaft hole, the shaft hole intersects with the axis of through-hole, through-hole and shaft hole are through setting antifriction bearing connection universal joint, the universal joint has set the straight-tooth cylinder gear in the gear keeps away the inslot, straight-tooth cylinder gear and straight-tooth disc external toothing, the universal joint upper end is connected with the steering wheel.

In some embodiments of the present disclosure, the front wheel frame includes a connecting plate, the connecting plate is provided with a connecting hole connected with the steering shaft, a shock absorber is provided on the bottom surface of the connecting plate, the lower end of the shock absorber is connected with a front wheel shaft, and a front wheel is provided on the front wheel shaft.

In some embodiments of the present disclosure, the shock absorber is a damped shock absorber.

In some embodiments of the present disclosure, the axis of the shaft hole forms an angle of 10 to 30 ° with the axis of the through hole.

In some embodiments of the present disclosure, the axis of the shaft hole is at an angle of 17 ° to the axis of the through hole.

In some embodiments of the present disclosure, the axis of the shaft hole makes an angle of 23 ° with the axis of the through hole.

In some embodiments of the present disclosure, the axis of the shaft hole makes an angle of 30 ° with the axis of the through hole.

In some embodiments of the present disclosure, the upper end of the universal joint is connected to the steering wheel by a connection shaft.

In some embodiments of the present disclosure, the connecting shaft is provided at an upper end thereof with a spline for connecting with a steering wheel.

In some embodiments of the present disclosure, the gimbal is a duplex gimbal.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the arrangement of the universal joint, the steering wheel is connected by the structure of the universal joint, so that the plane angle of the steering wheel is not related to the angle design of the front vertical pipe of the frame any more, and the plane angle of the steering wheel can be more reasonably arranged;

2. the structure of this design is directly perceived, and the preparation is convenient, can be through direct and scaffold weldment behind the angle of terminal surface under the adjustment steering wheel support, reduce cost, the error is little.

Drawings

FIG. 1 is a schematic view of an embodiment 2 of the structure of the present invention;

FIG. 2 is a partially enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of a universal joint according to embodiment 2 of the present invention;

the reference numbers in the figures illustrate: 1. a frame assembly; 11. a frame front riser; 12. a support; 121. a gear avoiding groove; 13. a steering wheel support; 2. a steering shaft; 3. a front wheel carrier; 31. a connecting plate; 32. a shock absorber; 4. a universal joint; 41. a connecting shaft; 5. a spur gear; 6. a steering wheel; 7. a front wheel of the vehicle.

The specific implementation mode is as follows:

in order to better understand the purpose, structure and function of the present invention, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.

The numbering of the components as such is used herein only to distinguish between the objects represented and not to have any sequential or technical meaning. The term "coupled" in this disclosure includes both direct and indirect "coupled" unless specifically stated otherwise. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 brief description, but do not indicate or imply that the referred devices or units must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

As shown in fig. 1 to 3 of the accompanying drawings, an electric tricycle steering mechanism is designed, which includes a frame assembly 1, a frame front vertical pipe 11 is arranged at the front end of the frame assembly 1, the frame front vertical pipe 11 is a hollow circular pipe, rolling bearings are respectively arranged at the upper and lower parts of the hollow circular pipe, the frame front vertical pipe 11 is connected with a steering shaft 2 through the rolling bearings, the steering shaft 2 can freely rotate in the frame front vertical pipe 11, the lower end of the steering shaft 2 is connected with a front wheel frame 3, a straight toothed disc is arranged on the side surface of the steering shaft 2, the axis of the straight toothed disc is coincident with the axis of the steering shaft 2, the straight toothed disc rotates along with the steering shaft 2 when the steering shaft 2 rotates, a bracket 12 is fixed on the frame assembly 1, a gear avoiding groove 121 is arranged on the side surface of the bracket 12, through holes are coaxially arranged on the upper and lower groove walls of the gear avoiding groove 121, a steering wheel support 13 is arranged on the upper surface of the bracket 12, a shaft hole is arranged on the steering wheel support 13, and the shaft hole is intersected with the axis of the through hole, the through hole and the shaft hole are connected with the universal joint 4 through the arrangement of the rolling bearing, the universal joint 4 is connected through the arrangement of the universal joint 4, so that the plane angle of the steering wheel 6 is not related to the axis angle design of the front vertical pipe 11 of the frame any more, the plane angle of the steering wheel 6 can be more reasonably arranged, the universal joint 4 is internally provided with the cylindrical spur gear 5 in the gear avoiding groove 121, the cylindrical spur gear 5 is externally meshed with the spur gear, the upper end of the universal joint 4 is connected with the steering wheel 6, the steering wheel 6 drives the universal joint 4 to rotate when rotating, the universal joint 4 is linked with the cylindrical spur gear 5, the cylindrical spur gear 5 is linked with the spur gear disc, the spur gear is linked with the steering shaft 2, the steering shaft 2 is linked with the front wheel carrier 3 to rotate, thereby realizing steering, the structure of the design is visual, the manufacture is convenient, the lower end face of the steering wheel support 13 can be directly welded with the support 12 after the angle is adjusted, the cost is reduced, and the error is small.

In the above embodiment, 3 examples are listed to realize the above technical solution:

example 1

The embodiment discloses an electric tricycle steering mechanism, which comprises a frame assembly 1, wherein a frame front vertical pipe 11 is arranged at the front end of the frame assembly 1, the frame front vertical pipe 11 is a hollow circular pipe, rolling bearings are respectively arranged at the upper part and the lower part of the hollow circular pipe, the frame front vertical pipe 11 is connected with a steering shaft 2 through the rolling bearings, the steering shaft 2 can freely rotate in the frame front vertical pipe 11, the lower end of the steering shaft 2 is connected with a front wheel frame 3, a straight fluted disc is arranged on the side surface of the steering shaft 2, the axis of the straight fluted disc is coincident with the axis of the steering shaft 2, the straight fluted disc rotates along with the steering shaft 2 when the steering shaft rotates, a bracket 12 is fixed on the frame assembly 1, a gear avoiding groove 121 is arranged on the side surface of the bracket 12, through holes are coaxially arranged on the upper and lower groove walls of the gear avoiding groove 121, a steering wheel support 13 is arranged on the upper surface of the bracket 12, the steering wheel support 13 is provided with a shaft hole, the shaft hole is intersected with the axis of the through hole, the through hole and the shaft hole are connected with the universal joint 4 through the arrangement of the rolling bearing, the universal joint 4 is connected through the arrangement of the universal joint 4, so that the plane angle of the steering wheel 6 is not related to the axis angle design of the front vertical pipe 11 of the frame any more, the plane angle of the steering wheel 6 can be more reasonably arranged, the universal joint 4 is internally provided with the cylindrical spur gear 5 in the gear avoiding groove 121, the cylindrical spur gear 5 is externally meshed with the spur gear, the upper end of the universal joint 4 is connected with the steering wheel 6, the steering wheel 6 drives the universal joint 4 to rotate when rotating, the universal joint 4 is linked with the cylindrical spur gear 5, the cylindrical spur gear 5 is linked with the spur gear disc, the spur gear is linked with the steering shaft 2, the steering shaft 2 is linked with the front wheel carrier 3 to rotate, thereby realizing steering, the structure of the design is visual, the manufacture is convenient, the lower end face of the steering wheel support 13 can be directly welded with the support 12 after the angle is adjusted, the cost is reduced, and the error is small.

The front wheel frame 3 comprises a connecting plate 31, the connecting plate 31 is provided with a connecting hole connected with the steering shaft 2, the bottom surface of the connecting plate 31 is provided with a front wheel frame, the front wheel frame is connected with a front wheel shaft, and the front wheel shaft is provided with a front wheel 7; the included angle between the axis of the shaft hole and the axis of the through hole is 10-30 degrees, and the included angle between the axis of the shaft hole and the axis of the through hole is preferably 17 degrees in the embodiment; the universal joint 4 is a telescopic type ball cage universal joint.

Example 2

As shown in fig. 1 to 3, the present embodiment discloses a steering mechanism of an electric tricycle, and the difference between the present embodiment and embodiment 1 is that the front wheel frame 3 includes a connecting plate 31, the connecting plate 31 is provided with a connecting hole connected with the steering shaft 2, one side of the connecting plate 31 is provided with a rolling bearing matched with the steering shaft 2, the bottom surface of the connecting plate 31 is provided with a damper 32, the lower end of the damper 32 is connected with a front wheel shaft, and the front wheel shaft is provided with a front wheel 7; the shock absorber 32 is a damping shock absorber, and the technology is mature, so that the purchase and maintenance are convenient; the included angle between the axis of the shaft hole and the axis of the through hole is preferably 23 degrees, the upper end of the universal joint 4 is connected with the steering wheel 6 through a connecting shaft 41, the upper end of the connecting shaft 41 is provided with threads, and the threads are provided with a compression nut; the universal joint 4 is a duplex universal joint.

Example 3

The present embodiment discloses an electric tricycle steering mechanism, and the difference between the present embodiment and embodiment 2 is that an included angle between an axis of the shaft hole and an axis of the through hole is preferably 30 °, and the upper end of the connecting shaft 41 is provided with a spline for connecting with a steering wheel 6.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides an electric tricycle steering mechanism, includes frame assembly (1), its characterized in that: the front end of the frame assembly (1) is provided with a front frame vertical pipe (11), the front frame vertical pipe (11) is connected with a steering shaft (2) through a rolling bearing, the lower end of the steering shaft (2) is connected with a front wheel carrier (3), the side face of the steering shaft (2) is provided with a straight fluted disc, the axis of the straight fluted disc is superposed with the axis of the steering shaft (2), the frame assembly (1) is fixed with a support (12), the side face of the support (12) is provided with a gear avoiding groove (121), the upper and lower groove walls of the gear avoiding groove (121) of the support (12) are coaxially provided with through holes, the upper surface of the support (12) is provided with a steering wheel support (13), the steering wheel support (13) is provided with a shaft hole, the shaft hole is intersected with the axis of the through hole, the through hole and the rolling bearing are connected with a universal joint (4), the universal joint (4) is provided with a straight gear (5) in the gear avoiding groove (121), the straight gear (5) is externally meshed with the straight gear, and the upper end of the universal joint (4) is connected with a steering wheel (6).

2. The electric tricycle steering mechanism according to claim 1, wherein the front wheel frame (3) comprises a connecting plate (31), the connecting plate (31) is provided with a connecting hole connected with the steering shaft (2), a shock absorber (32) is arranged on the bottom surface of the connecting plate (31), the lower end of the shock absorber (32) is connected with a front wheel shaft, and the front wheel shaft is provided with a front wheel (7).

3. The electro-tricycle steering mechanism according to claim 2, characterised in that the shock absorber (32) is a damped shock absorber.

4. The electric tricycle steering mechanism according to claim 1, wherein the included angle between the axis of the shaft hole and the axis of the through hole is 10-30 °.

5. The electro-tricycle steering mechanism according to claim 4, wherein the axis of the shaft hole forms an angle of 17 ° with the axis of the through hole.

6. The electro-tricycle steering mechanism of claim 4, wherein the axis of the shaft hole forms an angle of 23 ° with the axis of the through hole.

7. The electro-tricycle steering mechanism according to claim 4, wherein the axis of the shaft hole forms an angle of 30 ° with the axis of the through hole.

8. The electro-tricycle steering mechanism according to claim 1, characterised in that the upper end of the universal joint (4) is connected to the steering wheel (6) by being provided with a connecting shaft (41).

9. The electric tricycle steering mechanism according to claim 8, characterized in that the connecting shaft (41) is provided at its upper end with splines for connection with a steering wheel (6).

10. The electro-tricycle steering mechanism according to claim 1 or 8, characterised in that the universal joint (4) is a double joint.