CN211685470U

CN211685470U - Steering device of scooter

Info

Publication number: CN211685470U
Application number: CN201922388188.2U
Authority: CN
Inventors: 颜科学
Original assignee: Dongyang Xinxie Industry And Trade Co ltd
Current assignee: Dongyang Xinxie Industry And Trade Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-16
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a scooter turns to device, characterized by, including bottom plate and steering part, bottom plate and steering part are equipped with a plurality of torsional spring through a rotating rotatable coupling around the bottom plate, and all torsional springs set up around bolt axis circumference array, are equipped with the mounting groove of cooperation torsional spring on the bottom plate, and the torsional spring tip passes the mounting groove, is equipped with the spacing groove of cooperation torsional spring on the steering part. The utility model has the advantages that the torsional spring is embedded into the steering part and the bottom plate, the balance and reliability of the torsional spring for resetting the steering part can be improved, the larger the rotating angle of the steering part is, the larger the resetting force of the torsional spring is, the reliable resetting effect is realized, and the setting and the installation are convenient; improve the use experience of scooter.

Description

Steering device of scooter

Technical Field

The utility model belongs to the technical field of the scooter, specifically a scooter turns to device.

Background

The scooter is a very common kind in children's toys, and the steering mechanism of current scooter does not have automatic re-setting's function, relies on manual control handle to turn to after turning to and resets, to children, and the operation is hard, and safety and stability is poor. Some have improved this. For example, chinese patent document CN209395961U discloses "a scooter and its steering mechanism" in 2019, 9, 17, wherein the scooter steering mechanism includes a scooter chassis, a steering wheel frame rotatably connected to the scooter chassis, and a bottom plate fixed to the chassis, the bottom plate is located at the lower part of the steering wheel frame, and a steering return mechanism is provided between the steering wheel frame and the bottom plate; the steering reset mechanism comprises an elastic piece, an elastic piece accommodating cavity arranged on the steering wheel frame or the base plate and an elastic piece blocking block arranged on the base plate or the steering wheel frame, and two ends of the elastic piece are abutted against the inner walls at two ends of the elastic piece accommodating cavity. For another example, chinese patent documents CN208760814U and 2019, 4 and 19.4 disclose a "scooter steering mechanism", which includes a bogie and a pushing block, wherein two ends of the bogie are connected to wheels through connecting shafts; the pushing block is arranged on the bogie and penetrates through the bogie, and can rotate relative to the bogie; the steering shaft is connected with a scooter handlebar; two stop blocks are arranged on the bogie; the pushing block is provided with two limiting ejector blocks, and the limiting ejector blocks can rotate to eject to the stop blocks when the pushing block is rotated; the steering shaft is also provided with two torsion springs, each torsion spring is provided with a spring ring and a torsion spring arm, and the spring ring is movably sleeved on the steering shaft; the stop block is provided with a first insertion hole, the inner side of the pushing block is provided with a second insertion hole, and two torsion spring arms of each torsion spring are respectively overlapped in the first insertion hole and the second insertion hole.

The defects of the prior art are as follows: the reset structure is arranged outside the steering wheel frame and the bottom plate, the position of the reset elastic piece is difficult to set, the equal and stable elastic reset force on the peripheral side of the steering shaft is difficult to ensure, and therefore the torsional spring is easy to lose efficacy when the rotation angle of the steering wheel frame and the rotation angle of the bottom plate are too large.

Disclosure of Invention

Based on the problem, the utility model provides a scooter turns to device can improve the equilibrium and the reliability that the torsional spring resets to a steering, and steering pivoted angle is big more, and the power that resets of torsional spring is just big more, and the reset action is reliable to setting and simple to operate.

In order to realize the purpose of the invention, the utility model adopts the following technical scheme: the utility model provides a scooter turns to device, characterized by, includes the bottom plate and turns to the piece, and the bottom plate is equipped with a plurality of torsional spring with turning to a rotatable coupling through one, the bottom plate all around, and all torsional springs set up around bolt axis circumference array, are equipped with the mounting groove of cooperation torsional spring on the bottom plate, and the torsional spring tip passes the mounting groove, turns to the spacing groove that is equipped with the cooperation torsional spring on the piece.

The torsion spring is matched in the mounting groove and the limiting groove, when the steering piece and the bottom plate rotate around the rotating piece, the support limiting is provided through the torsion spring, when the steering piece and the bottom plate rotate for a large angle, the deformation of the torsion spring is overlarge, the restoring force caused by the torsion spring is also larger, and the steering piece and the bottom plate are prevented from being locked; in addition, the torsion spring can play a role in buffering, and the larger the rotating angle of the steering piece and the bottom plate is, the more difficult the continuous rotation of the steering piece and the bottom plate is; in the application, the front-end roller of the scooter is arranged at the two ends of the steering piece, and the rotation of the steering piece directly determines the rotation of the scooter, so that the steering device can improve the reliability and the stability of the steering of the scooter, prevent the scooter from being locked and improve the use experience of the scooter; the torsional spring is embedded into the steering part and the bottom plate, and the uniformity of the peripheral resetting force of the bolt can be improved, so that the structural stability of the steering device of the scooter is improved, and the resetting effect of the steering part is reliable.

Preferably, the rotating part comprises a connecting bolt with a nut, a mounting hole matched with the connecting bolt is formed in the bottom plate, a limiting hole matched with the connecting bolt is formed in the steering part, connecting bearings matched with the connecting bolt in inner diameter are respectively arranged at two ends of the limiting hole, and a connecting nut matched with the connecting bolt is arranged on one side, back to the bottom plate, of the rotating part. The bottom plate and the steering piece are locked through the connecting bolt and the connecting nut, the rotatable capacity of the steering piece is kept through the connecting bearing, the rotatable capacity of the steering piece is guaranteed through the connecting bearing, and the steering device is convenient to install and reliable in structure.

Preferably, the steering piece is provided with an installation circular truncated cone protruding towards the bottom plate, and the end face of the installation circular truncated cone is provided with a plurality of limiting bosses; the lower end of the bottom plate is provided with a mounting round hole matched with the mounting round platform, and a plurality of limiting blocks are arranged in the mounting round hole at intervals; the limiting bosses are positioned in the areas between the limiting blocks. Through the cooperation of installation round platform and installation round hole, conveniently turn to piece and bottom plate installation, spacing between the stopper through spacing boss, prevent the rotation excess of turning to the piece, guarantee the reliability of torsional spring buffering.

Preferably, the limiting blocks are provided with four in a circumferential array around the axis of the mounting round hole. The steering member and the base plate are limited to rotate within a range of 90 degrees.

Preferably, the connection bearing is a flat bearing. The plane bearing bears axial load, and under the condition that the bottom plate is not separated from the steering component, the rotation capacity of the steering component is ensured.

Preferably, the torsion spring comprises two parallel vertical rods and a cross rod connected with the two vertical rods, the two vertical rods are located on the same side of the cross rod, and the outer ends of the two vertical rods are respectively provided with a limiting part. The limiting of the torsion spring on the bottom plate is completed through the cross rod, the vertical rod can penetrate through the bottom plate and then stretch into the steering piece, the limiting of the torsion spring in the steering piece is completed through the limiting part, and the installation is convenient.

Preferably, the limiting part is an annular structure formed by bending the end part of the vertical rod, and the plane of the limiting part is vertical to the cross rod. The whole integrated into one piece of torsional spring, structural reliability is good, and the outside circular arc setting of spacing portion can reduce the pressure to the piece that turns to, prevents stress concentration.

Preferably, the connecting bolt is provided with a pressing piece between the nut and the mounting hole. The pressing of the torsion spring can be assisted by the pressing sheet, and the reliability of the torsion spring is further improved.

To sum up, the beneficial effects of the utility model are that: the steering piece can be reset more evenly and more reliably by the torsion spring, the larger the rotating angle of the steering piece is, the larger the resetting force of the torsion spring is, the reset action is reliable, and the arrangement and the installation are convenient; improve the use experience of scooter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the middle bottom plate of the present invention.

Fig. 3 is a bottom view of the middle bottom plate of the present invention.

Fig. 4 is a plan view of the steering member of the present invention.

Fig. 5 is a cross-sectional view at a-a in fig. 4.

In the figure: the bottom plate 1 is provided with a mounting groove 11, a through hole 12, a mounting hole 13, a limiting part 22 of a limiting part 21 of a steering part 15, a limiting lug boss 24 of a circular truncated cone 23, a connecting bolt 3, a connecting nut 41, a pressing sheet 42 and a nut 43, which are connected with a limiting part 63 of a cross rod 62 of a vertical rod 61 of a torsion spring 6 of a bearing 5.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

The embodiment shown in fig. 1 to 5 is a steering device for a scooter, and is characterized by comprising a bottom plate 1 and a steering member 2, wherein two ends of the steering member 2 are respectively provided with a front roller 3 of the scooter. The bottom plate 1 and the steering piece 2 are rotatably connected through a rotating piece, the rotating piece comprises a connecting bolt 4 with a screw cap 43, the end part of the connecting bolt 4 is a threaded section, and a cylindrical polished rod is arranged between the threaded section and the screw cap 43; the bottom plate 1 is provided with a mounting hole 14 matched with the connecting bolt 4, the steering part 2 is internally provided with a limiting hole matched with the connecting bolt 4, two ends of the limiting hole are respectively provided with a connecting bearing 5 with the inner diameter matched with the connecting bolt 4, and the connecting bearing 5 adopts a plane bearing. The periphery of the bottom plate 1 is provided with two torsion springs 6, each torsion spring 6 comprises two parallel vertical rods 61 and a cross rod 62 for connecting the two vertical rods 61, the two vertical rods 61 are located on the same side of the cross rod 62, and the outer ends of the two vertical rods 61 are respectively provided with a limiting part 63. The limiting part 63 is an annular structure formed by bending the end of the vertical rod 61, and the plane of the limiting part 63 is perpendicular to the cross rod 62. The two torsion springs 6 are arranged in a circumferential array around the axis of the bolt, the bottom plate 1 is provided with a mounting groove 11 matched with the torsion springs 6, the mounting groove 11 comprises a long groove 12 for accommodating the cross rod 62, through holes 13 through which the vertical rods 61 and the limiting parts 63 are matched are formed in two ends of the long groove 12, the limiting parts 63 at the end parts of the torsion springs 6 penetrate through the mounting groove 11, and the steering part 2 is provided with a limiting groove 21 matched with the torsion springs 6. The bottom of the limiting groove 21 is provided with a limiting part positioning hole 22, which is convenient for limiting installation of the torsion spring 6 on the steering part 2. The side of the rotating part opposite to the bottom plate 1 is provided with a connecting nut 41 matched with the connecting bolt 4. The connecting bolt 4 is provided with a pressing piece 42 between the nut 43 and the mounting hole 14. The pressing sheet 42 can cover the mounting groove 11, thereby realizing the limit of the torsion spring 6. The steering piece 2 is provided with an installation round platform 23 protruding towards the bottom plate 1, and the end surface of the installation round platform 23 is provided with four limiting bosses 24; the lower end of the bottom plate 1 is provided with a mounting round hole matched with the mounting round platform 23, and four limiting blocks 15 are arranged in the mounting round hole at intervals; the four limit blocks 15 are arranged in a circumferential array around the axis of the mounting circular hole. Stop bosses 24 are located in the areas between the stop blocks 15.

This application is when the installation, install planar bearing in spacing hole both sides earlier, with the installation round platform 23 and the installation round hole cooperation of bottom plate 1 and steering part 2, spacing boss 24 stretches into between the stopper 15, put into mounting groove 11 with the spacing portion 63 orientation of torsional spring 6, the montant 61 of torsional spring 6 passes mounting groove 11, spacing portion 63 card of torsional spring 6 advances in the spacing portion locating hole 22 of steering part 2, the bolt passes preforming 42 in proper order, mounting hole 14 and spacing hole, make bolt fastening compress tightly bottom plate 1 and steering part 2 through coupling nut 41 at last, preforming 42 is spacing in elongated slot 12 with horizontal pole 62, installation device assembly moulding. In the application, the torsion spring 6 is matched in the mounting groove 11 and the limiting groove 21, when the steering piece 2 and the bottom plate 1 rotate around the rotating piece, the support limiting is provided by the torsion spring 6, when the steering piece 2 and the bottom plate 1 rotate by a large angle, the deformation of the torsion spring 6 is overlarge, the restoring force caused by the torsion spring 6 is also larger, and the steering piece 2 and the bottom plate 1 are prevented from being locked; in addition, the torsion spring 6 can play a role of buffering, and the larger the rotating angle of the steering piece 2 and the bottom plate 1 is, the more difficult the continuous rotation of the steering piece 2 and the bottom plate 1 is; in the application, the front-end roller 3 of the scooter is arranged at the two ends of the steering piece 2, and the rotation of the steering piece 2 directly determines the rotation of the scooter, so that the steering device can improve the reliability and the stability of the steering of the scooter, prevent the scooter from being locked and improve the use experience of the scooter; torsional spring 6 is embedded into to turn to 2 and bottom plate 1 in, can improve the homogeneity to the bolt power that resets all around to improve scooter and turn to the structural stability of device, turn to 2 reset action reliably. The device integrally adopts a symmetrical structure, the components are convenient to install and position, the production cost can be reduced, the assembly efficiency is improved, the error possibility is low, and the economic value is higher.

Claims

1. The utility model provides a scooter turns to device, characterized by, includes the bottom plate and turns to the piece, and the bottom plate is equipped with a plurality of torsional spring with turning to a rotatable coupling through one, the bottom plate all around, and all torsional springs set up around bolt axis circumference array, are equipped with the mounting groove of cooperation torsional spring on the bottom plate, and the torsional spring tip passes the mounting groove, turns to the spacing groove that is equipped with the cooperation torsional spring on the piece.

2. The steering device for a scooter according to claim 1, wherein the rotating member comprises a connecting bolt with a nut, the bottom plate is provided with a mounting hole for fitting the connecting bolt, the steering member is provided with a limiting hole for fitting the connecting bolt, two ends of the limiting hole are respectively provided with a connecting bearing with an inner diameter matched with the connecting bolt, and one side of the rotating member facing away from the bottom plate is provided with a connecting nut for fitting the connecting bolt.

3. The steering device for the scooter as claimed in claim 1, wherein the steering member is provided with a mounting boss protruding toward the bottom plate, and the end surface of the mounting boss is provided with a plurality of limiting bosses; the lower end of the bottom plate is provided with a mounting round hole matched with the mounting round platform, and a plurality of limiting blocks are arranged in the mounting round hole at intervals; the limiting bosses are positioned in the areas between the limiting blocks.

4. The steering apparatus for a scooter according to claim 3, wherein the stopper is provided with four circumferentially arrayed around the axis of the mounting hole.

5. The steering apparatus for a scooter according to claim 2, wherein the connecting bearing is a flat bearing.

6. The steering device for the scooter according to claim 1 or 2, wherein the torsion spring comprises two parallel vertical rods and a cross rod connecting the two vertical rods, the two vertical rods are located on the same side of the cross rod, and the outer ends of the two vertical rods are respectively provided with a limiting part.

7. The steering device for the scooter as claimed in claim 6, wherein the limiting portion is an annular structure formed by bending the end of the vertical rod, and the plane of the limiting portion is perpendicular to the horizontal rod.

8. The steering apparatus for a scooter according to claim 2 or 5, wherein the connecting bolt is provided with a pressing piece between the nut and the mounting hole.