CN108757758A - A kind of movable joint component - Google Patents

Abstract

A mobile joint assembly, comprising a three-pin shaft fork, a three-pin shaft, roller needles, rollers, and roller rings. Three axle heads of tripod shaft stretch respectively in the corresponding chute on the tripod shaft fork, and the end face of axle head and the groove bottom of chute are provided with certain clearance. The outer cylindrical surface of each rolling ring is rollingly connected with the two sides of the corresponding chute, the inner cylindrical surface of each rolling ring is movably connected with the arc-shaped convex outer surface of the corresponding roller, and several needle rollers are arranged on the outer cylindrical surface of the shaft head. and the inner hole of the roller. The beneficial effect is that the corresponding components constituting the moving joint assembly can cooperate well with each other and move smoothly with each other, so that the corresponding movement resistance can be well reduced and the driving performance of the car can be improved.

Description

A mobile component

technical field

The invention relates to an automobile part, in particular to a moving joint assembly used on an automobile.

Background technique

The mobile joint component is an important component on the car, which is related to the driving performance of the car. At present, the mobile joint components used in automobiles have one or another adverse effects on the driving performance of the vehicle. It has become a very meaningful subject to provide a new mobile joint component that can improve the driving performance of the vehicle.

Contents of the invention

The main purpose of the present invention is to provide a novel movable joint assembly which can improve the driving performance of the automobile.

The technical solution used in the present invention is: a mobile joint assembly, including a three-pin shaft fork, a three-pin shaft, needle rollers, rollers, and roller rings. Three axle heads of tripod shaft stretch respectively in the corresponding chute on the tripod shaft fork, and the end face of axle head and the groove bottom of chute are provided with certain clearance. The outer cylindrical surface of each rolling ring is rollingly connected with the two sides of the corresponding chute, the inner cylindrical surface of each rolling ring is movably connected with the arc-shaped convex outer surface of the corresponding roller, and several needle rollers are arranged on the outer cylindrical surface of the shaft head. and the inner hole of the roller.

In the present invention, the moving joint assembly is composed of a three-pin shaft fork, a three-pin shaft, a needle, a roller, and a roller ring. Improve the driving performance of the car very well.

Preferably, the shaft head is provided with a snap ring groove, and the snap ring groove is provided with a snap ring for preventing the needle roller from falling off the shaft head. This preferred solution can effectively improve the stability and reliability of the structure, thereby reducing the use and maintenance costs of the mobile section components.

Preferably, the snap ring provided on the snap ring groove is a steel wire snap ring. This preferred solution has simple structure, low cost and easy installation.

Preferably, a locking ring is also included. The lock ring includes a round pipe section and a ring bottom, the round pipe section and the ring bottom have a rounded transition, the ring bottom is provided with a round hole larger than the diameter of the shaft head, the snap ring is arranged in the round pipe section, and the ring bottom is arranged on the snap ring and the corresponding between the ends of the needle rollers. This optimal solution has a reasonable structure, which can improve structural reliability and reduce resistance.

Preferably, the arc-shaped outer surface of the roller is a part of the convex spherical surface. This preferred solution is easy to process and manufacture, and the process and manufacture cost is low.

Preferably, the end surface of the shaft head is a part of a convex spherical surface. This optimal solution has reasonable structure, easy processing and low processing and manufacturing cost.

In summary, the beneficial effect of the present invention is that the moving joint assembly is composed of three-pin shaft fork, three-pin shaft, needle roller, roller, roller ring, steel wire snap ring and lock ring, and the corresponding components can be well The ground and ground cooperate with each other to work together, and the mutual movement is smooth and smooth, so the corresponding movement resistance can be well reduced and the driving performance of the car can be improved.

Description of drawings

Fig. 1: three-dimensional schematic diagram of the structure of the present invention;

Figure 2: a schematic front view of the present invention;

Figure 3: A-A sectional schematic diagram;

In the figure: tripod fork 1, chute 1.1, tripod shaft 2, shaft head 2.1, snap ring groove 2.2, needle roller 3, roller 4, roller ring 5, snap ring 6, lock ring 7, round pipe section 7.1, Ring Bottom 7.2.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 2 and Fig. 3, the present invention comprises three-pin shaft fork 1, three-pin shaft 2; Inside, there is a certain gap between the end face of the shaft head 2.1 and the groove bottom of the chute 1.1. In addition, it also includes a needle roller 3, a roller 4, and a roller ring 5; the outer cylindrical surface of each roller ring 5 is rollingly connected with the two sides of the corresponding chute 1.1, and the inner cylindrical surface of each roller ring 5 is connected to the corresponding roller 4. The arc-shaped convex outer surfaces are movably connected, and several needle rollers 3 are arranged between the outer cylindrical surface of the shaft head 2.1 and the inner hole of the roller 4.

Preferably, the shaft head 2.1 is provided with a snap ring groove 2.2, and the snap ring groove 2.2 is provided with a snap ring 6 for preventing the needle roller 3 from falling off the shaft head 2.1. The snap ring 6 provided on the snap ring groove 2.2 is a steel wire snap ring. Further preferably, it also includes a lock ring 7; the lock ring 7 includes a round pipe section 7.1 and a ring bottom 7.2, the round pipe section 7.1 and the ring bottom 7.2 have a rounded transition, and the ring bottom 7.2 is provided with a round hole larger than the diameter of the shaft head 2.1 , The snap ring 6 is set in the circular tube section 7.1, and the ring bottom 7.2 is set between the snap ring 6 and the end face of the corresponding needle roller 3. The arc-shaped outer surface of the roller 4 is a part of the convex spherical surface, and the end surface of the shaft head 2.1 is also a part of the convex spherical surface.

The specific embodiments described above are only preferred implementation modes of the present invention, and are not intended to limit the specific implementation structure and implementation scope of the present invention. In fact, some equivalent changes can also be made according to the shape, structure and design purpose of the present invention. Therefore, all equivalent changes made according to the shape, structure and design purpose of the present invention should be included in the protection scope of the present invention, that is, these equivalent changes should be protected by the present invention.

Claims (6)

1. A mobile joint assembly, including a three-pin shaft fork (1), a three-pin shaft (2); In the corresponding chute (1.1), there is a certain gap between the end surface of the shaft head (2.1) and the groove bottom of the chute (1.1); the feature is: it also includes needle rollers (3), rollers (4), roller rings (5); the outer cylindrical surface of each rolling ring (5) is rollingly connected with the two sides of the corresponding chute (1.1), and the inner cylindrical surface of each rolling ring (5) and the arc-shaped convex of the corresponding roller (4) The outer surfaces are movably connected, and several needle rollers (3) are arranged between the outer cylindrical surface of the shaft head (2.1) and the inner hole of the roller (4). 2. A moving joint assembly according to claim 1, characterized in that: the shaft head (2.1) is provided with a snap ring groove (2.2), and the snap ring groove (2.2) is provided with a The retaining ring (6) where the needle 3 falls off the hub (2.1). 3. A moving joint assembly according to claim 2, characterized in that: the snap ring (6) provided on the snap ring groove (2.2) is a steel wire snap ring. 4. A mobile joint assembly according to claim 2, characterized in that: it also includes a lock ring (7); the lock ring (7) includes a round pipe section (7.1) and a ring bottom (7.2), and the round pipe section (7.1) and the ring bottom (7.2) rounded transition, the ring bottom (7.2) is provided with a round hole larger than the diameter of the shaft head (2.1), the snap ring (6) is set in the round pipe section (7.1), and the ring bottom (7.2) ) between the snap ring (6) and the end face of the corresponding needle roller (3). 5. A moving joint assembly according to claim 1, characterized in that: the arc-shaped outer surface of the roller (4) is a part of a convex spherical surface. 6. A moving joint assembly according to any one of claims 1-5, characterized in that: the end surface of the shaft head (2.1) is a part of a convex spherical surface.