CN110486373A - A kind of automobile Shock-absorbing wheel hub bearing - Google Patents

Abstract

The present invention proposes a shock-absorbing hub bearing for automobiles, which includes an inner ring, an outer ring and balls, and is characterized in that: it includes a first shock-absorbing layer and a second shock-absorbing layer, and an outer ring is arranged on the outer side of the inner ring. There are several balls sandwiched between the inner ring and the outer ring, the outer wall surface of the inner ring is provided with a first shock absorbing layer, the inner wall surface of the outer ring is provided with a second shock absorbing layer, the inner ring, The outer ring, the first shock-absorbing layer and the second shock-absorbing layer are concentric circle structures. Compared with the prior art, the present invention provides an adjustable frame for a computerized embroidery machine, which has a reasonable structure. By designing the first shock-absorbing layer and the second shock-absorbing layer between the inner ring and the outer ring, the shock-absorbing layer There is a shock-absorbing spring in the middle, which can reduce the damage and scrapping of the car wheel due to vibration when the road is rough and complicated.

Description

A kind of shock-absorbing hub bearing for automobile

【Technical field】

The invention relates to the technical field of automobile hub parts design, in particular to a shock-absorbing hub bearing for automobiles.

【Background technique】

Tapered roller bearings have large radial and axial load carrying capacity at the same time, and are widely used in hub bearings of automobile wheels. When vehicles such as off-road vehicles and construction machinery are working on rough and uneven roads, the hub bearings in the prior art do not have shock absorption performance and are easily damaged and scrapped due to factors such as vibration and friction.

【Content of invention】

The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a shock-absorbing hub bearing for automobiles, which aims to solve the problem that the hub bearing in the prior art does not have damping performance and is easily damaged and scrapped due to factors such as vibration and friction. .

In order to achieve the above object, the present invention proposes a shock-absorbing wheel hub bearing for automobiles, which includes an inner ring, an outer ring and balls, and is characterized in that: it includes a first shock-absorbing layer and a second shock-absorbing layer, and the outer side of the inner ring An outer ring is provided, and several balls are sandwiched between the inner ring and the outer ring, the outer wall surface of the inner ring is provided with a first shock-absorbing layer, and the inner wall surface of the outer ring is provided with a second shock-absorbing layer, The inner ring, the outer ring, the first damping layer and the second damping layer are concentric circles.

As a preference, several first shock-absorbing springs are arranged in the first shock-absorbing layer, and several spring mounting grooves are arranged on the inner wall of the first shock-absorbing layer, and the lower end of the first shock-absorbing spring is connected to the The number of the spring installation grooves is consistent with that of the first damping spring, and the compression and expansion direction of the first damping spring points to the center of the circle of the first damping layer.

Preferably, several second shock-absorbing springs are arranged in the second shock-absorbing layer, the structure of the second shock-absorbing layer is consistent with the structure of the first shock-absorbing layer, and the structure of the second shock-absorbing layer The radius is larger than the radius of the first shock absorbing layer, and the volume of the second shock absorbing spring is larger than that of the first shock absorbing spring.

Preferably, the center of the outer wall of the first shock-absorbing layer and the center of the inner wall of the second shock-absorbing layer are provided with a ball channel for the directional rolling of the balls, and the height of the middle part of the ball channel is lower than that of the two ball channels. end height.

Preferably, a cage is provided between the first shock-absorbing layer and the second shock-absorbing layer, and the balls are kept equidistantly distributed by the cage.

Preferably, a flange is provided on the outside of the outer ring, the outer ring and the flange are integrated, and several connecting screw holes are provided on the flange.

Preferably, the flange is located at one end of the outer ring, and the thickness of the flange is smaller than that of the outer ring.

Beneficial effects of the present invention: Compared with the prior art, the present invention provides an adjustable frame for computerized embroidery machines with a reasonable structure. The shock layer, the shock absorbing layer is provided with a shock absorbing spring, which can reduce the damage and scrap caused by the vibration of the automobile wheel when the road surface is rough and complicated.

The features and advantages of the present invention will be described in detail with reference to the accompanying drawings.

【Description of drawings】

Fig. 1 is a schematic cross-sectional view of a shock-absorbing hub bearing for an automobile according to an embodiment of the present invention;

Fig. 2 is a schematic side view of a shock-absorbing hub bearing for an automobile according to an embodiment of the present invention;

3 is a schematic cross-sectional view of a first damping layer according to an embodiment of the present invention;

Fig. 4 is a schematic side view of the first shock-absorbing layer according to the embodiment of the present invention.

In the figure: 1-inner ring, 2-outer ring, 3-ball, 4-first damping layer, 41-first damping spring, 42-spring installation groove, 43-ball channel, 5-second damping layer, 51-the second damping spring, 6-flange, 61-connecting screw hole, 7-cage.

【Detailed ways】

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

Referring to Fig. 1, an embodiment of the present invention provides a shock-absorbing hub bearing for automobiles, including an inner ring 1, an outer ring 2 and balls 3, and is characterized in that it includes a first shock-absorbing layer 4 and a second shock-absorbing layer 5, so The outer side of the inner ring 1 is provided with an outer ring 2, and several balls 3 are sandwiched between the inner ring 1 and the outer ring 2. The outer wall surface of the inner ring 1 is provided with a first damping layer 4. The inner wall surface of the ring 2 is provided with a second shock-absorbing layer 5 , and the inner ring 1 , the outer ring 2 , the first shock-absorbing layer 4 and the second shock-absorbing layer 5 are in a concentric circle structure.

The first damping layer 4 is provided with several first damping springs 41, and the inner wall of the first damping layer 4 is provided with several spring installation grooves 42, and the lower end of the first damping spring 41 It is connected with the spring installation groove 42, the number of the spring installation groove 42 is consistent with that of the first damping spring 41, and the compression and stretching direction of the first damping spring 41 points to the first damping layer 4 the center of the circle.

The second damping layer 5 is provided with several second damping springs 51, the structure of the second damping layer 5 is consistent with the structure of the first damping layer 4, and the second damping layer The radius of 5 is greater than the radius of the first damping layer 4 , and the volume of the second damping spring 51 is greater than that of the first damping spring 41 .

The center of the outer wall of the first shock-absorbing layer 4 and the center of the inner wall of the second shock-absorbing layer 5 are provided with a ball channel 43 for the directional rolling of the balls 3, and the middle height of the ball channel 43 is lower than that of the balls. The height of both ends of channel 43.

A cage 7 is provided between the first shock-absorbing layer 4 and the second shock-absorbing layer 5 , and the balls 3 are always equidistantly distributed through the cage 7 .

The outer ring 2 is provided with a flange 6 , the outer ring 2 and the flange 6 are integrally formed, and the flange 6 is provided with several connecting screw holes 61 .

The flange 6 is located at one end of the outer ring 2 , and the thickness of the flange 2 is smaller than that of the outer ring 2 .

Working process of the present invention:

In the working process of a shock absorbing hub bearing for automobiles in the present invention, the first shock absorbing layer 4 and the second shock absorbing layer 5 are designed between the inner ring 1 and the outer ring 2, and the first shock absorbing layer 4 and the second shock absorbing layer The damping layer 5 is respectively provided with a first damping spring 41 and a second damping spring 51, which can reduce the damage and scrapping of the automobile hub due to vibration when the road surface is rough and complicated. The design can make the bearing can be fixed more firmly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement or improvement made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (7)

1. A shock-absorbing wheel hub bearing for automobiles, comprising an inner ring (1), an outer ring (2) and a ball (3), characterized in that: comprising a first shock-absorbing layer (4) and a second shock-absorbing layer (5 ), the outside of the inner ring (1) is provided with an outer ring (2), and several balls (3) are clamped between the inner ring (1) and the outer ring (2), and the inner ring (1) The outer wall surface of the outer ring (2) is provided with a first shock-absorbing layer (4), the inner wall surface of the outer ring (2) is provided with a second shock-absorbing layer (5), and the inner ring (1), outer ring (2), second A concentric structure is formed between the first shock-absorbing layer (4) and the second shock-absorbing layer (5). 2. A shock-absorbing wheel hub bearing for automobiles according to claim 1, characterized in that: several first shock-absorbing springs (41) are arranged in the first shock-absorbing layer (4), and the first shock-absorbing springs (41) The inner wall of the damping layer (4) is provided with several spring mounting grooves (42), the lower end of the first shock absorbing spring (41) is connected with the spring mounting grooves (42), and the spring mounting grooves ( The number of 42) is consistent with that of the first shock absorbing spring (41), and the compression and expansion direction of the first shock absorbing spring (41) points to the center of the circle of the first shock absorbing layer (4). 3. A shock-absorbing hub bearing for automobiles according to claim 2, characterized in that: several second shock-absorbing springs (51) are arranged in the second shock-absorbing layer (5), and the second shock-absorbing springs (51) The structure of the shock absorbing layer (5) is consistent with the structure of the first shock absorbing layer (4), and the radius of the second shock absorbing layer (5) is greater than the radius of the first shock absorbing layer (4), so The volume of the second damping spring (51) is larger than the volume of the first damping spring (41). 4. A shock-absorbing hub bearing for automobiles according to claim 1, characterized in that: the center of the outer wall of the first shock-absorbing layer (4) and the center of the inner wall of the second shock-absorbing layer (5) are arranged There is a ball channel (43) for the directional rolling of the ball (3), and the height of the middle part of the ball channel (43) is lower than the height of the two ends of the ball channel (43). 5. A kind of shock-absorbing wheel hub bearing for automobiles according to claim 1, characterized in that: a cage ( 7), the balls (3) are always equidistantly distributed through the cage (7). 6. A shock-absorbing wheel hub bearing for automobiles as claimed in claim 1, characterized in that: the outer ring (2) is provided with a flange (6), and the outer ring (2) and the flange (6) An integrated structure, the flange (6) is provided with several connecting screw holes (61). 7. A shock-absorbing hub bearing for automobiles according to claim 1, characterized in that: the flange (6) is located at one end of the outer ring (2), and the thickness of the flange (2) is less than The thickness of the outer ring (2).