CN210851923U

CN210851923U - Preceding arm cantilever support for cycle racing

Info

Publication number: CN210851923U
Application number: CN201922080826.4U
Authority: CN
Inventors: 刘礼斐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-06-26
Anticipated expiration: 2029-11-28

Abstract

The utility model belongs to the technical field of automobile machinery, in particular to a forearm cantilever support for racing cars, which comprises a first support arm, a second support arm and a third support arm, wherein the second support arm and the first support arm are arranged in parallel at intervals, the first end of the third support arm is connected with the second end of the second support arm, and the second end of the third support arm is connected with the second end of the first support arm; be connected with a perpendicular stiffener between first support arm and the second support arm, be connected with a cross stiffener between first support arm and the third support arm, the utility model discloses a structure and the position setting of above-mentioned each support arm are supplementary simultaneously with perpendicular stiffener and cross stiffener, can effectively guarantee the rigidity intensity of whole support, and it is lighter than current support also to accomplish with the material quality simultaneously, and the effect is very good in actual cycle racing is used.

Description

Preceding arm cantilever support for cycle racing

Technical Field

The utility model relates to an automobile machinery makes technical field, especially relates to the forearm suspension on the light-duty cycle racing, is a forearm cantilever support for cycle racing particularly.

Background

In the current light racing car design, how to ensure the mass and rigidity of the car is a constant theme. Although the development of the current material technology can meet the problems of rigid strength and light weight of automobiles, materials such as carbon fiber and the like have high cost and are often applied to high-end events. In general competition, how to realize the light weight of the component and meet the rigidity requirement on the basis of conventional materials is a problem to be solved in practical application.

SUMMERY OF THE UTILITY MODEL

Technical problem

A front arm suspension bracket of a light racing car is provided, which is light in weight, rigid in strength and capable of meeting the requirements of events.

Technical scheme

The forearm cantilever support for racing comprises a first support arm, a second support arm and a third support arm, wherein the first support arm comprises a first end and a second end; the second support arm and the first support arm are arranged in parallel at an interval, the first end of the second support arm is aligned with the first end of the first support arm, the first end of the third support arm is connected with the second end of the second support arm, and the second end of the third support arm is connected with the second end of the first support arm; a vertical reinforcing arm is connected between the first supporting arm and the second supporting arm, and a cross reinforcing arm is connected between the first supporting arm and the third supporting arm; the first end of second support arm is equipped with first fixed orifices, the first end and the second end of first support arm are equipped with second fixed orifices and third fixed orifices in proper order, be equipped with the fourth fixed orifices on the first support arm in place between second fixed orifices and the third fixed orifices, the fourth fixed orifices is located cross enhancement arm with on one of them junction that first support arm is connected, cross enhancement arm with another junction that first support arm is connected with perpendicular enhancement arm with the junction coincidence that first support arm is connected.

Through the structure and the position setting of above-mentioned each support arm, supplementary strengthen arm and cross with perpendicular simultaneously and strengthen the arm, can effectively guarantee the rigidity intensity of whole support, it is lighter than current support also can be accomplished to accomplish with the material quality simultaneously, and the effect is very good in actual cycle racing application.

In some embodiments, the center distance between the fourth fixing hole and the second fixing hole is 156.25 mm.

In some embodiments, the center distance between the second fixing hole and the third fixing hole is 221.77 mm.

In some embodiments, the center distance between the first fixing hole and the second fixing hole is 100.00 mm.

In some embodiments, the first, second, third, and fourth fixation holes are circular through holes.

In some embodiments, the first support arm, second support arm, third support arm, vertical stiffening arm, and criss-cross stiffening arm lie in the same plane.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical reinforcement arm and the criss-cross reinforcement arm are integrally connected to each other.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical reinforcement arm, and the criss-cross reinforcement arm are connected to each other at rounded corners.

In some embodiments, the fourth securing aperture is located at the center of the radius at the junction between the second end of the first support arm and the second end of the first support arm.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical stiffening arm, and the criss-cross stiffening arm are sheet-like in shape.

Technical effects

The bracket provided by the utility model can meet the technical requirements of the front arm cantilever bracket of the light racing car in the general event; meanwhile, through experimental optimization in some embodiments, the rigidity strength of the front arm cantilever support of the racing car can be further improved, and the durability and the rigidity strength of the support are realized through connection relation optimization and position relation optimization without extra material cost, so that the whole product is low in cost and very good in practical application effect.

Drawings

Fig. 1 shows a structure diagram of a forearm cantilever for racing car of the present invention.

Detailed Description

Example 1

Referring to fig. 1, the present invention provides a structure diagram of a front arm cantilever for racing cars, as shown in the figure, the front arm cantilever for racing cars includes a first support arm 11, a second support arm 12, and a third support arm 13, each support arm includes a first end and a second end, the second support arm 12 and the first support arm are arranged in parallel and at an interval, the first end of the second support arm 12 is aligned with the first end of the first support arm 11, the first end of the third support arm 13 is connected with the second end of the second support arm 12, and the second end of the third support arm 13 is connected with the second end of the first support arm 11; a vertical reinforcing arm 14 is connected between the first supporting arm 11 and the second supporting arm 12, and a cross reinforcing arm 15 is connected between the first supporting arm 11 and the third supporting arm 13; the first end of second support arm 12 is equipped with first fixed orifices 16, the first end and the second end of first support arm 11 are equipped with second fixed orifices 17 and third fixed orifices 18 in proper order, be equipped with fourth fixed orifices 19 on the first support arm 11 in place between second fixed orifices 17 and the third fixed orifices 18, fourth fixed orifices 19 is located crisscross reinforcing arm 15 with on one of them junction 1a that first support arm 11 is connected, crisscross reinforcing arm 15 with another junction 1b that first support arm 11 is connected with perpendicular reinforcing arm 14 with the junction coincidence that first support arm 11 is connected.

In an embodiment, referring to fig. 1, the crisscross reinforcing arm 15 is formed by connecting a first cross arm 151 and a second cross arm 152, where joints between two ends of the first cross arm 151 and the first support arm 11 and the third support arm 13 are 1b and 2a, respectively, and joints between the second cross arm 152 and the first support arm 11 and the third support arm 13 are 1a and 2b, respectively. Wherein, for the first cross arm 151, the ratio of the distance O between both ends of the first cross arm 151 and the intersection point is 1; 1.5, i.e. the ratio of the distance of the intersection O from the junction 2b to the distance of the intersection O from the junction 1a is 1; 1.5. and for the second cross arm 152, the ratio of O between the ends of the second cross arm 152 and the intersection point is 1; 3, the ratio of the distance from the intersection O to the junction 2a to the distance from the intersection O to the junction 1b is 1; 3. the construction ratio obtained in this embodiment is obtained by simulation experiments and practical application, and the bracket in this construction ratio is more excellent in rigidity and strength.

In some embodiments, the center distance between the fourth fixing hole and the second fixing hole is 156.25mm, the center distance between the second fixing hole and the third fixing hole is 221.77mm, and the center distance between the first fixing hole and the second fixing hole is 100.00 mm. The position relation among the fixing holes in the embodiment is obtained through simulation experiments and practical application, and in the position relation, the rigidity strength of the support in the whole body is enough to meet various complex road conditions in the event, and good rigidity is kept.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical reinforcing arm and the crisscross reinforcing arm are connected to each other in an integrally formed manner. The integral forming connection can be realized through a casting mode, and compared with a welding mode, the strength of the product obtained by the embodiment is obviously superior to the rigidity of the existing welding product.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical reinforcement arm, and the criss-cross reinforcement arm are connected to each other at a rounded corner. This is to ensure the rigidity requirements of the joint.

In some embodiments, the fourth fixing hole is located at the center of a rounded corner at the junction between the second end of the first support arm and the second end of the first support arm. In this embodiment, this position of fixed orifices can only be with atress homodisperse to first support arm and second support arm to avoid the condition that the unilateral overstress leads to the deformation.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical reinforcement arm, and the criss-cross reinforcement arm are sheet-like in shape. Compared with the existing tubular structure, the shape structure can use integral forming to replace a welding structure, so that the integral rigidity of the product can be further improved. In addition, the sheet structure is also used for reducing the quality of the product, and the sheet structure can be realized by using a sheet material made of an alloy material in practical application, so that the quality of the support can be further improved, and the rigidity and the strength can be ensured.

In some embodiments, the first, second, third and fourth fixing holes are circular through holes.

In some embodiments, the first support arm, the second support arm, the third support arm, the vertical stiffening arm, and the criss-cross stiffening arm are located in the same plane.

Experiment of

Subject:

1. the forearm cantilever in example 1, labeled #1, mass M1;

2. a tubular forearm cantilever is now available, labeled #2, mass M2.

Experiment design: m1 < M2. The speed of limit action or passing through a tensile obstacle is not lower than 60 km/h.

Experimental mode: the experimental objects are respectively arranged on the same racing car, the speed is changed, and multiple groups of experiments are carried out under the same limit action or roadblock.

The experimental results are as follows: see table 1 below.

TABLE 1

As can be seen from the results in table 1, the stent provided in this example has superior rigidity and strength compared to the existing stent, and remains intact through obstacles several times at the limit speed, while the existing stent does not.

Claims

1. A preceding arm outrigger for a racing car, comprising:

a first support arm comprising a first end and a second end;

a second support arm comprising a first end and a second end;

a third support arm comprising a first end and a second end;

the second support arm and the first support arm are arranged in parallel at an interval, the first end of the second support arm is aligned with the first end of the first support arm, the first end of the third support arm is connected with the second end of the second support arm, and the second end of the third support arm is connected with the second end of the first support arm;

a vertical reinforcing arm is connected between the first supporting arm and the second supporting arm, and a cross reinforcing arm is connected between the first supporting arm and the third supporting arm;

the first end of second support arm is equipped with first fixed orifices, the first end and the second end of first support arm are equipped with second fixed orifices and third fixed orifices in proper order, be equipped with the fourth fixed orifices on the first support arm in place between second fixed orifices and the third fixed orifices, the fourth fixed orifices is located cross enhancement arm with on one of them junction that first support arm is connected, cross enhancement arm with another junction that first support arm is connected with perpendicular enhancement arm with the junction coincidence that first support arm is connected.

2. The forearm cantilever support for racing car of claim 1, wherein the center distance between the fourth fixing hole and the second fixing hole is 156.25 mm.

3. The forearm cantilever support for racing car of claim 2, wherein the center distance between the second fixing hole and the third fixing hole is 221.77 mm.

4. The forearm cantilever support for racing car of claim 3, wherein the center distance between the first fixing hole and the second fixing hole is 100.00 mm.

5. The forearm cantilever support for racing car according to any one of claims 1 to 4, wherein the first fixing hole, the second fixing hole, the third fixing hole and the fourth fixing hole are circular through holes.

6. The forearm cantilever support for racing vehicles of claim 1, wherein the first support arm, the second support arm, the third support arm, the vertical stiffening arm and the criss-cross stiffening arm are located in the same plane.

7. The forearm cantilever support for racing car of claim 1, wherein the first support arm, the second support arm, the third support arm, the vertical reinforcement arm and the criss-cross reinforcement arm are integrally connected to each other.

8. The forearm cantilever support for racing car of claim 1, wherein the first support arm, the second support arm, the third support arm, the vertical reinforcement arm and the criss-cross reinforcement arm are connected to each other at a rounded corner.

9. The forearm cantilever support for racing car of claim 8, wherein the fourth fixing hole is located at the center of the radius at the junction between the second end of the first support arm and the second end of the first support arm.

10. The forearm cantilever support for racing vehicles of claim 1, wherein the first support arm, the second support arm, the third support arm, the vertical reinforcement arm and the criss-cross reinforcement arm are in the shape of a sheet.