CN219651261U - All-terrain vehicle steering knuckle with breaking preventing mechanism - Google Patents

Abstract

The utility model discloses an all-terrain vehicle steering knuckle with an anti-breaking mechanism, which comprises a steering knuckle body and a shaft neck, wherein two fork lugs are arranged on the steering knuckle body, the shaft neck comprises three stages with diameter reduced in a step-like manner, an internal spline is arranged on the second stage, a thread is arranged on the third stage, an annular supporting piece for supporting a first step section is arranged on the steering knuckle body, an annular abutting part and an external spline are sequentially arranged at a shaft hole on a hub of the all-terrain vehicle from inside to outside, the outer end of the first step section extends to the abutting part, meanwhile, the internal spline and the external spline are mutually matched, and the third step section extends out of the shaft hole of the hub and is limited by a threaded connection fastener. According to the utility model, the journal is arranged to be of a stepped structure, and the bearing part on the steering knuckle body, the bearing part on the hub and the external spline form a multi-position supporting structure, so that the local excessive impact of the journal can be avoided, the journal can be effectively protected, and the problem of journal fracture is fundamentally solved.

Description

All-terrain vehicle steering knuckle with breaking preventing mechanism

Technical Field

The present utility model relates to an all-terrain vehicle steering knuckle, and more particularly to an all-terrain vehicle steering knuckle having an anti-breaking mechanism.

Background

All-terrain vehicles refer to vehicles capable of running on any terrain, can freely walk on the terrain which is difficult to maneuver by common vehicles, are commonly called beach vehicles in China, and are commonly used for scenic spot material transportation, medical support and recreation items.

The existing all-terrain vehicle steering knuckle is often welded with the all-terrain vehicle when in use, and the welding part is often not firm enough, so that certain potential safety hazards exist when the all-terrain vehicle is in use, meanwhile, the existing steering knuckle bears changeable impact load, and the impact load is overlarge, so that the steering knuckle is easy to damage. Patent application number CN202222056762.6 discloses an all-terrain vehicle steering knuckle. The steering knuckle comprises a steering knuckle body, a first fork lug is fixedly connected to the steering knuckle body, a second fork lug is fixedly connected to the steering knuckle body, a lifting groove is formed in the steering knuckle body, a lifting plate capable of lifting is arranged in the lifting groove, a first supporting spring is arranged at the top of the lifting groove, the other end of the first supporting spring is fixedly connected with the lifting plate, a first rotating clamping plate is connected to the outer side wall of the top of a shaft neck, a rotating shaft is fixedly connected to the first rotating clamping plate, a second rotating clamping plate is rotatably connected to the rotating shaft, and the rotating clamping plate is arranged at the welding position of the shaft neck and the all-terrain vehicle.

The welding part of the axle journal and the all-terrain vehicle is further fixed by the arrangement of the rotating clamping plates, but in the running process of the all-terrain vehicle, the breakage of the axle journal is caused by the local stress of the axle journal due to the jumping of the wheel when the wheel passes through the bumpy ground, so that the technology disclosed in the patent can only reduce the breakage, and the breakage problem is not fundamentally solved.

Disclosure of Invention

Based on the defect that the universal joint is easy to break in the running process in the prior art, the utility model provides the all-terrain vehicle steering knuckle with the breaking prevention mechanism.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an all-terrain vehicle knuckle with prevent disconnected mechanism, including the knuckle body with run through the journal that sets up in the knuckle body, be equipped with first fork ear and second fork ear on the knuckle body, the journal is multistage echelonment structure, multistage echelonment structure includes the first stage that the diameter ladder reduces in proper order, second stage and third stage, be equipped with the internal spline on the second stage, be equipped with the screw thread on the third stage, be equipped with the annular support piece to first step support on the knuckle body, the shaft hole department on the all-terrain vehicle wheel hub is equipped with annular portion of leaning on and external spline from inside to outside in proper order, first step portion outer end extends to the portion of leaning on, simultaneously internal and external spline mutually support and the third step section stretches out outside the shaft hole of wheel hub and is spacing through threaded connection fastener. Wherein the annular supporting piece is a supporting table or a bearing; the fastening piece is a fastening nut; in addition, a pin hole is arranged on the third stage, and a limiting pin is arranged in the pin hole. The shaft journal is arranged to be of a step-shaped structure, and the multi-position supporting structure is formed by the supporting piece on the steering knuckle body, the supporting part on the hub and the external spline, so that the local impact of the shaft journal can be avoided, the shaft journal can be effectively protected, and the problem of the breakage of the shaft journal is fundamentally solved.

Specifically, the first fork lug comprises an inclined section and a first connecting seat arranged at the top of the inclined end, a reinforcing table is arranged on the inclined section, and an upper step and a lower step are arranged on the upper wall surface and the lower wall surface of the joint of the inclined section and the first connecting seat; the first connecting seat is provided with a ball head structure for being connected with the frame; specifically, the side wall of the first connecting seat extends outwards to form a second connecting seat, and the second connecting seat is used for being connected with the steering structure. Wherein the first connecting seat is connected with the upper side of the frame through the upper articulated frame, and a shock absorber is arranged between the first connecting seat and the frame.

Specifically, the second fork lug comprises a vertical section and a lower connecting seat arranged at the bottom end of the vertical section, and a ball head structure is arranged on the lower connecting seat and used for being connected with the frame; the knuckle body comprises an annular seat body, the first fork lug and the second fork lug are arranged on the side wall of the annular seat body, and the shaft journal is positioned at the shaft hole in the middle of the annular seat body. Wherein the lower connecting seat is connected with the frame through a lower hinge bracket.

Preferably, the outer side wall is equipped with the mounting panel on the annular pedestal, is equipped with a plurality of fixed orifices that are used for installing fixed knuckle body on the mounting panel. The fixing holes are used for installing brake pads.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the journal is arranged to be of a stepped structure, and a multi-position supporting structure is formed by the journal, the supporting piece on the steering knuckle body, the abutting part on the hub and the external spline, so that the journal can be prevented from being impacted excessively locally, the journal can be effectively protected, and the problem of journal fracture is fundamentally solved; in addition, set up on first fork ear and strengthen platform and upper and lower step and strengthen the easy fracture department of first fork ear slope section tip, avoid this in the fracture of driving in-process, further improve the fracture resistance of whole knuckle.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a state diagram of the present utility model after a knuckle is installed;

FIG. 2 is a side view of a knuckle of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a perspective view of a knuckle in accordance with the present utility model;

FIG. 5 is a side view of a journal;

in the figure: 01. a wheel; 02. a knuckle body; 021. a first fork ear; 0211. an inclined section; 0212. a first connection base; 0213. a step is arranged; 0214. descending a step; 0215. a reinforcing table; 0216. a second connecting seat; 0217. a mounting plate; 022. a second lug; 023. a journal; 0231. a first stage; 0232. a second stage; 02321. an internal spline; 0233. a third stage; 02331. a thread; 02332. a pin hole; 024. an annular seat body; 0241. a support; 03. a hub; 031. an abutting portion.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The title of the all-terrain vehicle steering knuckle with the breaking preventing mechanism is mainly described in the embodiment, and the title is specifically as follows:

1-5, including knuckle body 02 and run through the axle journal 023 that sets up in knuckle body 02, be equipped with first fork ear 021 and second fork ear 022 on the knuckle body 02, axle journal 023 is multistage echelonment structure, multistage echelonment structure includes first step 0231 that the diameter ladder reduces in proper order, second step 0232 and third step 0233, be equipped with internal spline 02321 on the second step 0232, be equipped with screw 02331 on the third step 0233, be equipped with annular support 0241 to first step 0231 support on the knuckle body 02, shaft hole department on the all-terrain vehicle wheel hub 03 is equipped with annular abutment 031 and external spline from inside to outside in proper order, first step outer end extends to abutment 031, inside and outside spline mutually support simultaneously and third step 0233 stretches out outside the shaft hole of wheel hub 03 and is spacing through threaded connection fastener. Wherein the annular support 0241 is a support table or bearing; the fastening piece is a fastening nut; in addition, a pin hole 02332 is provided in the third step 0233, and a stopper pin is provided in the pin hole 02332. The journal 023 is arranged to be of a ladder-shaped structure, and a multi-position supporting structure is formed by the supporting member 0241 on the knuckle body 02, the abutting portion 031 on the hub 03 and the external spline, so that the journal 023 can be prevented from being locally impacted too much, the journal 023 can be effectively protected, and the problem of breakage of the journal 023 is fundamentally solved.

As shown in fig. 2 and fig. 4, the first ear 021 includes an inclined section 0211 and a first connecting seat 0212 disposed at the top of the inclined end, a reinforcing table 0215 is disposed on the inclined section 0211, and an upper step 0213 and a lower step 0214 are disposed on the upper and lower walls at the junction of the inclined section 0211 and the first connecting seat 0212; the first connecting seat 0212 is provided with a ball head structure for connecting with a frame; specifically, the side wall of the first connecting seat 0212 extends outwards to form a second connecting seat 0216, and the second connecting seat 0216 is used for connecting the steering structure. Wherein the first connecting seat 0212 is connected with the upper side of the frame through an upper articulated frame, and a shock absorber is arranged between the first connecting seat 0212 and the frame.

As shown in fig. 2, the second lug 022 comprises a vertical section and a lower connecting seat arranged at the bottom end of the vertical section, and a ball head structure is arranged on the lower connecting seat and used for being connected with a frame; the knuckle body 02 includes an annular seat 024, and a first fork lug 021 and a second fork lug 022 are both arranged on the side wall of the annular seat 024, and a journal 023 is positioned at the shaft hole in the middle of the annular seat 024. Wherein the lower connecting seat is connected with the frame through a lower hinge bracket.

As shown in fig. 3 and 4, a mounting plate 0217 is provided on the upper outer side wall of the annular seat 024, and a plurality of fixing holes for mounting and fixing the knuckle body 02 are provided on the mounting plate 0217. The fixing holes are used for installing brake pads.

While the foregoing has been provided to illustrate the principles and embodiments of the present utility model, and while specific embodiments have been described herein, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles and embodiments of the utility model, the utility model is defined in the appended claims.

Claims (10)

1. The utility model provides an all-terrain vehicle knuckle with prevent disconnected mechanism, including knuckle body and the journal that runs through to set up in the knuckle body, be equipped with first fork ear and second fork ear on the knuckle body, a serial communication port, the journal is multistage echelonment structure, multistage echelonment structure is including the first stage that the diameter ladder reduces in proper order, second stage and third stage, be equipped with the internal spline on the second stage, be equipped with the screw thread on the third stage, be equipped with the annular support piece to first step support on the knuckle body, the shaft hole department on the all-terrain vehicle wheel hub is equipped with annular portion of leaning on and external spline from inside to outside in proper order, first step portion outer end extends to the portion of leaning on, simultaneously internal and external spline mutually support and the third step stretches out outside the shaft hole of wheel hub and is spacing through threaded connection fastener.

2. The all-terrain vehicle knuckle having an anti-breakage mechanism of claim 1, wherein the annular support is a support table or bearing.

3. The all-terrain vehicle knuckle having an anti-breakage mechanism of claim 1, wherein the fastener is a fastening nut.

4. The all-terrain vehicle knuckle with the break prevention mechanism of claim 1, wherein a pin hole is provided in the third stage, and a stop pin is provided in the pin hole.

5. The all-terrain vehicle steering knuckle with the breaking prevention mechanism according to claim 1, wherein the first fork lug comprises an inclined section and a first connecting seat arranged at the top of the inclined end, a reinforcing table is arranged on the inclined section, and an upper step and a lower step are arranged on the upper wall surface and the lower wall surface of the junction of the inclined section and the first connecting seat.

6. The all-terrain vehicle knuckle having an anti-breakage mechanism of claim 5, wherein a ball head structure is mounted on the first connection mount for connection with the frame.

7. The all-terrain vehicle knuckle having an anti-breakage mechanism of claim 5, wherein the side wall of the first coupling seat extends outwardly to form a second coupling seat for coupling to a steering mechanism.

8. The all-terrain vehicle knuckle with the anti-breakage mechanism of claim 1, wherein the second lug comprises a vertical section and a lower connecting seat provided at a bottom end of the vertical section, and a ball head structure is provided on the lower connecting seat for connection with the vehicle frame.

9. The all-terrain vehicle knuckle with an anti-breakage mechanism of claim 1, wherein,

the knuckle body comprises an annular seat body, the first fork lug and the second fork lug are arranged on the side wall of the annular seat body, and the shaft journal is positioned at the shaft hole in the middle of the annular seat body.

10. The all-terrain vehicle knuckle having an anti-breakage mechanism of claim 9,

the outer side wall is equipped with the mounting panel on the annular pedestal, is equipped with a plurality of fixed orifices that are used for installing fixed knuckle body on the mounting panel.