CN213705102U

CN213705102U - Vehicle front axle stabilizing pull rod structure

Info

Publication number: CN213705102U
Application number: CN202022832366.9U
Authority: CN
Inventors: 朱忠辉; 易祥; 蔡汉城; 伍龙辉
Original assignee: Shenzhen Zhichuang Technology Co ltd
Current assignee: Shenzhen Zhichuang Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-16
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a vehicle front axle stabilizing pull rod structure, including frame, shock absorber subassembly, a plurality of swing arm pull rods, front axle, install wheel, stabilizing pull rod and at least three groups of coupling assembling at front axle both ends, the front axle hangs on the frame through shock absorber subassembly, and the front axle is articulated with the frame through a plurality of swing arm pull rods, stabilizing pull rod includes at least three link, at least three groups of coupling assembling are correspondingly installed on at least three link; one set of coupling assembling with the front axle is articulated, two sets of coupling assembling with the frame is articulated.

Description

Vehicle front axle stabilizing pull rod structure

Technical Field

The utility model relates to a vehicle front axle technical field specifically is a vehicle front axle stabilizes draw bar structure.

Background

The existing four-wheel vehicles, intelligent unmanned carrying platforms and other vehicles of different types generally adopt an integral bridge type vehicle body to avoid that the front and rear axles swing left and right or deviate to influence the advancing direction when the vehicles advance, the front and rear axles of the whole vehicle adopt a diagonal draw bar fixing form, two ends of a diagonal draw connecting rod are ball head assemblies, one end of the ball head assembly is fixed on a vehicle body chassis and a corresponding parallel fixing surface of the integral bridge, one end of the ball head assembly is fixed on the integral bridge, and the balance and stability of the front and rear axles of the vehicle are locked by adjusting the length of a pull rod; but vehicles such as four-wheel car, intelligent unmanned delivery platform because damping spring compression when the automobile body is compressed the back, during the period pull rod length is unchangeable, and the pull rod can lead to the vehicle direction of travel to take place to squint with the whole toward one side traction of front axle, turns to the angle and deviates, especially to unmanned application delivery platform, to turning to the application product that with the walking precision required height, the requirement to high accuracy control when original diagonal draw bar fixed form can't satisfy the vehicle walking.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a vehicle front axle stabilizes pull rod structure.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a vehicle front axle stabilizing pull rod structure comprises a frame, a shock absorption assembly, a plurality of swing arm pull rods, a front axle, wheels arranged at two ends of the front axle, stabilizing pull rods and at least three groups of connecting assemblies, wherein the front axle is hung on the frame through the shock absorption assembly, the front axle is hinged with the frame through the plurality of swing arm pull rods, the stabilizing pull rod comprises at least three connecting ends, and the at least three groups of connecting assemblies are correspondingly arranged on the at least three connecting ends; one set of coupling assembling with the front axle is articulated, two sets of coupling assembling with the frame is articulated.

Preferably, the stabilizing pull rod is of an isosceles triangle structure, and the connecting ends are distributed at three vertex angles of the stabilizing pull rod.

Preferably, the middle part of the stabilizing pull rod is designed to be hollow.

Preferably, coupling assembling includes bush and fisheye bulb, the bush is fixed on the link end, fisheye bulb one end with bush threaded connection, the other end with the frame or the front axle is articulated.

Preferably, the two swing arm pull rods are symmetrically arranged, and the stabilizing pull rod is erected between the two swing arm pull rods.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the front axle of the vehicle front axle stabilizing pull rod structure is connected to a vehicle frame through a plurality of swing arm pull rods, the joints of the swing arm pull rods and the vehicle frame or the front axle are in ball joint hinge, then the front axle is hung on the vehicle frame through two groups of hydraulic springs, at the moment, the swing arm pull rods are in a horizontal posture to pull the front axle, and finally the stabilizing pull rod provided with three groups of connecting components is installed between the front axle and the vehicle frame, as shown in the attached drawing, one group of connecting components at the top end are hinged in the middle of the front axle, two groups of connecting components at the bottom end are hinged on the vehicle frame, so that the front axle is positioned on the vehicle frame, when a load is loaded on the vehicle frame, the front axle is only stressed in a vertical direction, when a tire on one side suddenly bears extrusion force in the driving process of the vehicle, the stabilizing pull rod can play a role in positioning the front axle, the, the steering deviation can not occur due to the overlarge traction force on one side, so that the stability and the safety of the vehicle are ensured, and the steering precision of the vehicle is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 shows a partial bottom view of the overall structure of an embodiment of the present invention;

FIG. 3 illustrates a frameless vehicle structure of an embodiment of the present invention;

fig. 4 shows a schematic structural view of a stabilizing tie bar and a connecting assembly according to an embodiment of the present invention.

In the figure: 1 frame, 2 shock-absorbing components, 3 swing arm pull rods, 4 front axles, 5 wheels, 6 stabilizing pull rods, 60 connecting ends, 7 connecting components, 70 bushings and 71 fisheye ball heads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-4, the utility model discloses a vehicle front axle stabilizing pull rod structure, which comprises a frame 1, a shock absorbing component 2, a plurality of swing arm pull rods 3, a front axle 4, wheels 5 arranged at two ends of the front axle 4, a stabilizing pull rod 6 and at least three groups of connecting components 7, wherein the front axle 4 is hung on the frame 1 through the shock absorbing component 2, the front axle 4 is hinged with the frame 1 through the plurality of swing arm pull rods 3, the stabilizing pull rod 6 comprises at least three connecting ends 60, and the at least three groups of connecting components 7 are correspondingly arranged on the at least three connecting ends 60; one group of connecting components 7 is hinged with the front axle 4, and the two groups of connecting components 7 are hinged with the frame 1.

Specifically, in this embodiment, the suspension assembly 2 is two sets of hydraulic springs, the front axle 4 is connected to the frame 1 through a plurality of swing arm pull rods 3, and the joints of the swing arm pull rods 3 and the frame 1 or the front axle 4 are ball joints hinged, and then are suspended on the frame 1 through two sets of hydraulic springs, at this time, the plurality of swing arm pull rods 3 pull the front axle 4 in a horizontal posture, and finally, the stabilizing pull rod 6 provided with three sets of connecting assemblies 7 is installed between the front axle 4 and the frame 1, as shown in fig. 2, one set of connecting assemblies 7 at the top end is hinged in the middle of the front axle 4, and two sets of connecting assemblies 7 at the bottom end are both hinged on the frame 1, so as to position the front axle 4 on the frame 1, so that the front axle 4 is only stressed in a vertical direction when the frame 1 bears a load, and when a tire on one side suddenly bears an extrusion force during the running of the vehicle, the front axle 4 can not deviate towards one side due to the compression of the shock absorbing spring on one side, and the steering deviation can not occur due to the overlarge traction force on one side when the vehicle is steered, so that the stability and the safety of the vehicle are ensured, and the steering precision of the vehicle is improved.

Further, in order to improve the stability of vehicle, stabilize pull rod 6 and be the isosceles triangle structure, at least three link 60 distributes in the three apex angle department of stabilizing pull rod 6, when guaranteeing that vehicle one side bears a burden, when stabilizing pull rod 6 pulls front axle 4, each part atress of stabilizing pull rod 6 is even.

Further, stabilize 6 middle parts of pull rod fretwork designs for when stabilizing 6 atresss of pull rod, possess certain elasticity, can not make because of stress and stabilize pull rod 6 self and warp, improve the stability and the security of stabilizing pull rod 6 self.

Further, in order to improve the overall stability and safety of the vehicle, in this embodiment, the swing arm pull rods 3 are symmetrically arranged, and the stabilizing pull rod 6 is erected between the two swing arm pull rods 3.

Referring to fig. 4, the connecting assembly 7 includes a bushing 70 and a ball head 71, the bushing 70 is fixed on the connecting end 60, one end of the ball head 71 is connected with the bushing 70 by screw threads, the other end is hinged to the frame 1 or the front axle 4, specifically, the bushing 70 can be mounted on the stabilizing pull rod 6 by welding, fastening screws and other modes, and the joint adopts the mode of movable connection such as the ball head 71, so that on one hand, damage to the stabilizing pull rod 6 by hard connection can be avoided, and on the other hand, the cargo borne by the vehicle during driving is more stable.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vehicle front axle stabilizes pull rod structure, includes frame (1), shock absorber subassembly (2), a plurality of swing arm pull rod (3), front axle (4) and installs wheel (5) at front axle (4) both ends, front axle (4) hang on frame (1) through shock absorber subassembly (2), and front axle (4) articulate with frame (1) through a plurality of swing arm pull rod (3), characterized in that, still includes and stabilizes pull rod (6) and at least three group's coupling assembling (7), stabilize pull rod (6) and include at least three link (60), at least three group the coupling assembling (7) are correspondingly installed on at least three link (60); one set of coupling assembling (7) with front axle (4) are articulated, two sets of coupling assembling (7) with frame (1) are articulated.

2. A vehicle front axle stabilizer link structure according to claim 1, characterized in that said stabilizer link (6) is of an isosceles triangle structure, at least three of said connecting ends (60) being distributed at three vertices of said stabilizer link (6).

3. A vehicle front axle stabilizer bar structure according to claim 2, characterized in that the stabilizer bar (6) is of hollow design in its middle.

4. A vehicle front axle stabilizer link structure according to claim 1, characterized in that said connecting assembly (7) comprises a bushing (70) and a ball head (71), said bushing (70) being fixed on said connecting end (60), said ball head (71) being screwed to said bushing (70) at one end and hinged to said frame (1) or said front axle (4) at the other end.

5. A vehicle front axle stabilizer link structure according to claim 1, characterized in that said swing arm links (3) are provided in two and symmetrically, said stabilizer link (6) being erected between said two swing arm links (3).