CN212579546U

CN212579546U - Automobile chassis is with last control arm with adjustable high strength

Info

Publication number: CN212579546U
Application number: CN202021031206.8U
Authority: CN
Inventors: 汪文韬
Original assignee: Nanjing Xingrui Auto Parts Co ltd
Current assignee: Nanjing Xingrui Auto Parts Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-23
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an automobile chassis is with last control arm with adjustable high strength, including the control arm body and the bush of locating control arm body both ends respectively, on the control arm body, the downside all is equipped with the axis strengthening rib, and the axial groove has been seted up at control arm body middle part, and a plurality of circular notch have been seted up corresponding to the axial groove coincidence in control arm body middle part, and the circular notch internal diameter is greater than the axial groove width, can dismantle the interference between circular notch and axis strengthening rib and connect vertical strengthening rib subassembly, the utility model discloses pertinence sets up axis strengthening rib and a plurality of vertical strengthening rib, has effectively improved the high rigidity of last control arm, and vertical strengthening rib figure can set up the installation as required, and it is strong to adjust the flexibility, and the strengthening rib adopts the spring steel material to have excellent shock attenuation buffering effect moreover, and the control arm is synthesized.

Description

Automobile chassis is with last control arm with adjustable high strength

Technical Field

The utility model relates to an auto-parts technical field, concretely relates to automobile chassis is with last control arm with adjustable high strength.

Background

With the continuous improvement of the living standard of people and the continuous improvement of the requirements on the driving comfort, the control stability and the driving safety of the vehicle, the multi-connecting-rod suspension system is more and more widely applied to the vehicle chassis due to the superior performance of the multi-connecting-rod suspension system. Most of the existing middle and high-end automobile rear suspensions adopt a low-cost and practical multi-link independent suspension type, and a multi-link suspension system of a vehicle usually comprises a plurality of control arms, such as an upper control arm, a lower control arm and a rear control arm. The control arm is used as a guide and force transmission element of an automobile suspension system, transmits various forces acting on the wheel to the automobile body, and simultaneously ensures that the wheel moves according to a certain track. The upper control arm is a key component for transmitting force and moment, and the importance of the upper control arm is particularly outstanding, and sufficient rigidity, strength and service life of the upper control arm are ensured.

In addition, with the increasingly strict requirements of the country on the fuel consumption of the automobile, the control of the weight of the automobile is more and more important, and because the upper control arm is stressed greatly, in order to meet the strength requirement of the upper control arm, the upper control arm is usually arranged thicker in thickness, so that the weight of the upper control arm is higher, and the lightweight design of the automobile is not facilitated.

Accordingly, it would be desirable to have an upper control arm that overcomes or at least alleviates the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a vehicle chassis with adjustable high strength is with going up control arm, the pertinence sets up axis strengthening rib and a plurality of vertical strengthening rib, has effectively improved the strong hardness of last control arm, and vertical strengthening rib figure can set up the installation as required, and it is strong to adjust the flexibility, and the strengthening rib adopts the spring steel material to have excellent shock attenuation buffering effect moreover, and the control arm is synthesized and is applied the high quality, long service life.

The utility model provides an automobile chassis is with last control arm with adjustable high strength, includes the control arm body and locates the bush at control arm body both ends respectively, on the control arm body, the downside all is equipped with the axis strengthening rib, and the axial groove has been seted up at control arm body middle part, and a plurality of circular notches have been seted up corresponding to the axial groove coincidence in control arm body middle part, and circular notch internal diameter is greater than axial groove width, can dismantle the interference between circular notch and axis strengthening rib and connect vertical strengthening rib subassembly.

As a further improvement of the utility model: the control arm body is a straight rod or a bent rod, and the cross section of the control arm body is of an I-shaped structure.

As a further improvement of the utility model: the circular notches are distributed at equal intervals, and rubber pads are arranged on the arc-shaped inner walls of the circular notches.

As a further improvement of the utility model: the number of the longitudinal reinforcing rib assemblies is less than or equal to that of the circular notches, and the longitudinal reinforcing rib assemblies are arranged on the front side and the rear side of the control arm body in a staggered mode along the axial direction of the axial grooves.

As a further improvement of the utility model: the longitudinal reinforcing rib assembly comprises a longitudinal reinforcing rib and a ball head bushing, a convex rod section is arranged on the outer edge of the side wall of the middle part of the longitudinal reinforcing rib, a ball head is arranged at the outer end of the convex rod section, the ball head is in adaptive socket joint with the ball head bushing, and the ball head bushing is in interference plug-in connection with the circular groove.

As a further improvement of the utility model: the axis reinforcing ribs and the longitudinal reinforcing ribs are made of spring steel.

As a further improvement of the utility model: the upper end and the lower end of the longitudinal reinforcing rib are provided with bulges, the bottom surface of the axis reinforcing rib is provided with a groove corresponding to the longitudinal reinforcing rib, and the upper end and the lower end of the longitudinal reinforcing rib are connected with the groove on the bottom surface of the axis reinforcing rib in an interference fit manner through the bulges.

Has the advantages that:

1. the utility model discloses the pertinence sets up axis strengthening rib and a plurality of vertical strengthening rib, has effectively improved the strong hardness of last control arm, and vertical strengthening rib figure can set up the installation as required, and it is strong to adjust the flexibility, and the strengthening rib adopts the spring steel material to have excellent shock attenuation buffering effect moreover, and the control arm is synthesized and is used the high quality, long service life.

2. Compare in current control arm structure, axial slot and circular notch are seted up to this application on the control arm body, be favorable to alleviateing the dead weight of body on the one hand, improve the light effect, on the other hand, circular notch still can be used to the connection port of vertical strengthening rib subassembly, the function is diversified, form a neat strengthening rib structure (including horizontal and fore-and-aft enhancement) with the combination of axis strengthening rib and vertical strengthening rib, the mechanical properties of control arm has effectively been improved, be favorable to reducing of control arm body thickness, further improve the lightweight effect.

3. Vertical strengthening rib is in preceding, the crisscross setting of rear direction, like figure (6 circular notch in the picture), the intraoral vertical strengthening rib of 1 st, 3, 5 circular notch is in front side interference grafting cooperation, and the intraoral vertical strengthening rib of 2 nd, 4 th, 6 circular notch is in rear side interference grafting cooperation, and the distribution of staggering of this kind is favorable to improving the equilibrium of reinforceing the atress, can avoid the strong, the weak problem of heteropleural side in one side.

4. The longitudinal reinforcing ribs are connected with the axis reinforcing ribs in a matched mode through interference, the assembling is convenient and fast, the operation is convenient, the interference fit is formed between the circular notch and the groove, and the connection stability is further improved.

5. The circular notch is provided with the rubber pad, can correspond the magnitude of interference of design and metal/alloy bulb bush, and the rubber pad has good shock attenuation and buffering effect simultaneously, weakens the transmission of this internal vibrations force of control arm, and the strengthening rib of cooperation spring steel material synthesizes shock attenuation cushioning nature reinforce, has improved the atress effect, can alleviate the damage to bushing joint department simultaneously. In addition, the longitudinal reinforcing rib is designed to be connected with the circular notch through a ball head-bushing structure, so that the multi-directional stress guiding is convenient to adapt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view taken along line A-A of the present invention (with the longitudinal stiffener assembly in a disassembled state);

FIG. 3 shows another control arm structure (curved rod structure) according to the present invention;

in the figure: the device comprises a control arm body 1, an axial groove 11, a circular groove opening 12, a rubber pad 13, a bushing 2, an axial reinforcing rib 3, a longitudinal reinforcing rib assembly 4, a longitudinal reinforcing rib 41, a ball head bushing 42, a convex rod section 43 and a ball head 44.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

An upper control arm for a high-strength adjustable automobile chassis is shown in figures 1 to 3 and comprises a control arm body 1 and bushings 2 respectively arranged at two ends of the control arm body 1, wherein the control arm body 1 is a straight rod or a bent rod, the cross section of the control arm body 1 is of an I-shaped structure, and the control arm is a conventional mature technical means and is not limited herein;

the upper side and the lower side of the control arm body 1 are respectively provided with an axis reinforcing rib 3 (capable of being welded and connected), the middle part of the control arm body 1 is provided with an axial groove 11, the middle part of the control arm body 1 is provided with a plurality of circular notches 12 corresponding to the axial grooves 11 in a superposition manner, the inner diameter of each circular notch 12 is larger than the width of the corresponding axial groove 11, and the vertical reinforcing rib assembly 4 is detachably connected between each circular notch 12 and the axis reinforcing rib 3 in an interference;

wherein, circular notch 12 equidistant distribution (6 in the figure), the arc inner wall of circular notch 12 is equipped with

rubber pad

13, 4 figure less than or equal to circular notch 12 figure of vertical strengthening rib subassembly (specifically can install as required, vertical strengthening rib subassembly figure is more, whole strong hardness is higher, the atress effect is stronger, satisfy the mechanics demand can, 6 equal interference fit have vertical strengthening rib subassembly in the circular notch in the figure, and vertical strengthening rib subassembly 4 is along 11 axis direction crisscross control arm body 1 front, the rear side of locating of axial groove.

The longitudinal reinforcing rib assembly 4 comprises a longitudinal reinforcing rib 41 and a ball head bushing 42, a convex rod section 43 is arranged on the outer edge of the side wall of the middle part of the longitudinal reinforcing rib 41, a ball head 44 is arranged at the outer end of the convex rod section 43, the ball head 44 is in adaptive socket joint with the ball head bushing 42, and the ball head bushing 42 is in interference plug-in connection in the circular notch 12.

Furthermore, the axis reinforcing ribs 3 and the longitudinal reinforcing ribs 41 are made of spring steel.

The upper end and the lower end of the longitudinal reinforcing rib 41 are provided with bulges, the bottom surface of the axis reinforcing rib 3 is provided with a groove corresponding to the longitudinal reinforcing rib 41, and the upper end and the lower end of the longitudinal reinforcing rib 41 are connected with the groove on the bottom surface of the axis reinforcing rib 3 in an interference fit manner through the bulges.

The utility model discloses the pertinence sets up axis strengthening rib and a plurality of vertical strengthening rib, has effectively improved the strong hardness of last control arm, and vertical strengthening rib figure can set up the installation as required, and it is strong to adjust the flexibility, and the strengthening rib adopts the spring steel material to have excellent shock attenuation buffering effect moreover, and whole light excels in, has adjustable selectivity, and the antidetonation protection is effectual, and comprehensive application quality is high, has effectively prolonged life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an automobile chassis is with last control arm with adjustable high strength, includes the control arm body and locates the bush at control arm body both ends respectively, its characterized in that: the upper and lower sides of the control arm body are provided with axis reinforcing ribs, the middle part of the control arm body is provided with an axial groove, the middle part of the control arm body is provided with a plurality of circular notches corresponding to the coincidence of the axial groove, the inner diameter of each circular notch is larger than the width of the axial groove, and a longitudinal reinforcing rib assembly can be connected between each circular notch and the axis reinforcing ribs in a detachable interference manner.

2. A high strength adjustable upper control arm for an automotive chassis according to claim 1, further comprising: the control arm body is a straight rod or a bent rod, and the cross section of the control arm body is of an I-shaped structure.

3. A high strength adjustable upper control arm for an automotive chassis according to claim 1, further comprising: the circular notches are distributed at equal intervals, and rubber pads are arranged on the arc-shaped inner walls of the circular notches.

4. A high strength adjustable upper control arm for an automotive chassis according to claim 1, further comprising: the number of the longitudinal reinforcing rib assemblies is less than or equal to that of the circular notches, and the longitudinal reinforcing rib assemblies are arranged on the front side and the rear side of the control arm body in a staggered mode along the axial direction of the axial grooves.

5. A high strength adjustable upper control arm for an automobile chassis according to any one of claims 1 to 4, wherein: the longitudinal reinforcing rib assembly comprises a longitudinal reinforcing rib and a ball head bushing, a convex rod section is arranged on the outer edge of the side wall of the middle part of the longitudinal reinforcing rib, a ball head is arranged at the outer end of the convex rod section, the ball head is in adaptive socket joint with the ball head bushing, and the ball head bushing is in interference insertion connection with the circular groove.

6. A high strength adjustable upper control arm for an automotive chassis according to claim 5, characterized in that: the axis reinforcing ribs and the longitudinal reinforcing ribs are made of spring steel.

7. A high strength adjustable upper control arm for an automotive chassis according to claim 5, characterized in that: the upper end and the lower end of the longitudinal reinforcing rib are provided with bulges, the bottom surface of the axis reinforcing rib is provided with a groove corresponding to the longitudinal reinforcing rib, and the upper end and the lower end of the longitudinal reinforcing rib are connected with the groove on the bottom surface of the axis reinforcing rib in an interference fit manner through the bulges.