RU106322U1 - SHOCKING THE SHOCK ABSORBER - Google Patents

Abstract

 The shock absorber spacer, which is a plate with a curly external contour and a through central hole, at least two holes are uniformly distributed around its circumference, characterized in that the plate is made of ABC plastic (acrylonitrile butadiene styrene polymer) by casting, has stiffeners located between the inner and outer walls of the spacer of the shock absorber, it is installed between the support of the suspension strut and the car body on pressed elongated studs in the front and / or rear her side of the car.

Description

The utility model relates to vehicles, in particular for vehicle suspension elements.

Foreign cars imported into Russia have a relatively low ground clearance (clearance) of 150 ÷ 170 mm. With such a small clearance, the car clings to the unevenness of the road surface - pits, potholes, etc., which leads to significant shock loads, the consequence of which is a reduction in the life of the car, as well as the likelihood of car accidents with serious consequences.

This problem is solved by increasing the clearance of the car by raising the car body by 20 ÷ 30 mm above the road, which significantly reduces the likelihood of a car hit about bumps on the road.

As one of the means used to raise the car body, spacers are used that are installed between the suspension strut support and the car body.

Spacers are known, which are a metal plate with holes, one of which is located in the center of the plate, and at least two others are on its periphery, uniformly in circumference (Internet site www.baza.farpost.ru).

The main disadvantage of metal spacers made, for example, of sheet steel, is that when they are mounted on a car, the shock absorber mounting reliability is reduced, since due to the excessive stiffness of the spacer material, shock and vibration loads acting on the car during its movement are transmitted through the spacer to suspension fasteners, provoking their self-unscrewing.

Another disadvantage of steel interlocking is the complexity and laboriousness of milling their external contours, which are original for different brands of cars. In addition, the steel spacers rust and provoke the process of rusting the car body at the point of contact with the spacer. Spacers made of aluminum also provoke body corrosion at the point of contact.

Known spacers from caprolon (see, for example, the website on the Internet www.prostavki.ru), sufficiently strong and elastic, not subject to corrosion of the material. Caprolon spacers are made by milling, so they are laborious to manufacture and expensive to manufacture.

Known spacers made by injection molding, regardless of shape and size, are more technologically advanced in mass production.

Known spacer shock absorber adopted for the prototype (RU patent for utility model No. 96066, B60G 15/06, 2010), which is a plate with a curly outer contour and a through central hole, at least two holes with inserted in them with metal bushings, the plate is made of polyurethane, and the ends of the bushings are recessed into the plate body by 1-3 mm.

A disadvantage of the known device is the use of polyurethane and reinforcing metal sleeves in the device, which have a large difference in the density of the materials used, which leads to the fact that when the car is used on rough roads, polyurethane is compressed, and metal sleeves deform the car body.

The objective of the proposed utility model is the creation of spacers with high strength and low dead weight, not reducing driving comfort, not deforming the car body.

The technical result is achieved by the fact that the spacer of the shock absorber, which is a plate with a curly external contour and a through central hole, evenly spaced along at least two holes, characterized in that the plate is made of ABC plastic (acrylonitrile butadiene styrene polymer), has stiffeners located between the inner and outer walls of the spacer

Figure 1 presents a top view of one of the types of spacer shock absorbers.

Figure 2 is a transverse section aa of the spacer of the shock absorber in figure 1.

Figure 3 is a photograph of a spacer.

The spacer of the shock absorber is a plate 1 with a curly outer contour and a through central hole 2. At least two holes 3 are evenly spaced around the circumference.

The outer contour of the spacer follows the shape of the shock absorber strut of the car. The thickness of the plate 1 is determined by the required amount of clearance.

Car shock absorber spacers are made of ABC plastic (the full name is acrylonitrile butadiene styrene or acrylonitrile butadiene styrene polymer) having an amorphous structure and belonging to the group of styrene copolymers. The use of ABC plastic for the manufacture of shock absorber spacers to increase the ride height of a car is due to the following factors:

balance of mechanical properties - high rigidity (elastic modulus is 2000 ÷ 2700 MPa), resistance to shock loads (Izod impact strength of standard grades at the level of 20 ÷ 25 kg-cm / cm), good electrical insulation properties: breakdown strength 31 ÷ 47 kV / mm; specific volume resistance 1015 ÷ 1016 Ohm × cm;

ABC-plastic is resistant to weak acids, solutions of alkalis and salts, alcohols, water, weathering.

Shock absorber spacers are installed between the strut support and the car body. The installation process of the spacer is as follows:

1. Remove the shock absorber strut from the car.

2. The strut support is dismantled using a spring tie.

3. Standard studs are knocked out of the strut support and elongated are pressed in.

4. The shock absorber strut is assembled.

5. A stand is installed with the spacer installed on the car.

Spacers between struts of suspension struts from the front and rear of the car can be installed on one car.

Spacers made of ABC plastic have high strength, are not visible in the engine compartment, do not reduce ride comfort, do not deform the body, do not oxidize and do not provoke corrosion processes.

The technology for the production of spacers from ABC plastic by casting makes it possible to manufacture inexpensive spacers with any external contour.

The thickness of the stiffeners and their number are chosen so as to prevent warping during cooling of the ABC plastic.

Stiffeners can reduce the amount of material used, increase the strength of the manufactured spacers.

Claims (1)

The shock absorber spacer, which is a plate with a curly external contour and a through central hole, at least two holes are uniformly distributed around its circumference, characterized in that the plate is made of ABC plastic (acrylonitrile butadiene styrene polymer) by casting, has stiffeners located between the inner and outer walls of the spacer of the shock absorber, it is installed between the support of the suspension strut and the car body on pressed elongated studs in the front and / or rear her side of the car.