Tubular vibration reduction ring with spline structure and vibration reduction structure

Abstract

The utility model discloses a tubular vibration reduction ring with a spline structure and a vibration reduction structure, relates to the technical field of automobile vibration reduction structures, and aims to solve the problem that circumferential torque transmission is delayed due to the fact that torque is transmitted through rubber in the prior art. The utility model further discloses a tubular vibration reduction structure of the spline structure, the internal spline is arranged in the joint fork, the shaft is arranged in the internal spline, the internal framework is arranged on the shaft, the internal framework is of the spline structure, teeth of the internal framework are located in tooth grooves of the internal spline, and the teeth of the internal framework are connected through rubber. The inner framework is of a spline structure, the joint fork and the outer framework are provided with the inner splines, the joint fork and the outer framework are respectively connected through the rubber, and due to the fact that overlapping amount exists between the teeth and the tooth grooves, when the rubber between the teeth and the tooth grooves is extruded, hard support is formed, and delay of torque transmission is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile vibration reduction structures, in particular to a tubular vibration reduction ring with a spline structure and a vibration reduction structure. Background Art

[0002] The tubular steering system vibration reduction structure for automobiles is generally installed on the steering intermediate shaft or steering gear, which can play a role in vibration reduction. At present, the commonly used automobile tubular steering system vibration reduction structures include vibration reduction rings, vibration reduction yokes and redundant structures. The vibration reduction ring includes an inner skeleton, an outer skeleton and filling rubber between the inner and outer skeletons. The rubber can absorb and filter the torque impact in the circumferential direction and the torque impact in the axial direction, reduce the impact force transmitted from the steering gear on the steering wheel, improve the driver's comfort, and at the same time reduce the risk of abnormal noise in the steering column or steering intermediate shaft caused by the impact force of the steering gear.

[0003] The existing technology relies entirely on rubber to transmit torque, which results in a large delay in the transmission of large circumferential torque, and after the rubber fails, the inner and outer frames will idle. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a tubular vibration damping ring and a vibration damping structure with a spline structure, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned objectives, the present invention discloses a tubular vibration damping ring with a spline structure, which adopts a technical solution comprising an exoskeleton. The exoskeleton is provided with an internal spline, and an internal skeleton is disposed inside the internal spline. The internal skeleton is a spline structure, and the internal skeleton teeth are located within the internal spline tooth grooves. The exoskeleton and the internal skeleton are connected by rubber. Due to the partial overlap between the teeth and the tooth grooves, the rubber between the teeth and the tooth grooves is squeezed during rotation, thereby providing hard support to reduce the significant delay that occurs when large circumferential torque is transmitted, while preventing the exoskeleton and the internal skeleton from rotating relative to each other due to failure of the rubber.

[0006] The utility model discloses a tubular vibration damping structure based on a tubular vibration damping ring with a spline structure. The technical solution adopted is that it includes a yoke, an internal spline is provided in the yoke, a shaft is provided in the internal spline, an inner skeleton is provided on the shaft, the inner skeleton is a spline structure, the teeth of the inner skeleton are located inside the tooth grooves of the internal spline, the yoke and the inner skeleton are connected by rubber, and there is a redundant structure between the shaft and the yoke. Since there is a certain amount of overlap between the teeth and the tooth grooves, the rubber between the teeth and the tooth grooves will be squeezed during rotation, thereby providing hard support to reduce the large delay that will occur when a large circumferential torque is transmitted, and at the same time prevent the outer skeleton and the inner skeleton from rotating relative to each other due to failure of the rubber.

[0007] As an optimal technical solution of the present invention, the redundant structure includes a groove on the yoke and a pin inserted on the shaft, and the pin is located inside the groove. The redundant structure is used as a second line of protection to prevent the yoke, the inner skeleton and the shaft from rotating relative to each other.

[0008] As a preferred technical solution of the present invention, the inner skeleton is interference-connected with the shaft, and the inner skeleton is located on the left side of the pin.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention sets the inner skeleton as a spline structure, opens the inner splines inside the yoke and the outer skeleton, and the inner skeleton and the yoke are directly connected to the inner skeleton and the outer skeleton through the rubber, so that when transmitting circumferential torque, due to a certain overlap between the teeth and the tooth grooves, the rubber between the tooth grooves and the teeth is squeezed to form a hard support, thereby reducing the delay in torque transmission and preventing the yoke and the inner skeleton and the outer skeleton and the inner skeleton from rotating relative to each other due to failure of the rubber. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of a tubular vibration damping ring with a spline structure of the utility model;

[0011] Figure 2 This is an exploded view of the tubular vibration damping ring structure with a spline structure of the utility model;

[0012] Figure 3 Schematic diagram of the tubular vibration reduction structure with a spline structure of the utility model Figure 1 ;

[0013] Figure 4 Schematic diagram of the tubular vibration reduction structure with a spline structure of the utility model Figure 2 ;

[0014] Figure 5This is an exploded view of the tubular vibration damping structure with a spline structure of the utility model;

[0015] Figure 6 This is a partial cross-sectional view of the tubular vibration damping structure with a spline structure of the utility model.

[0016] In the figure: 1, yoke; 101, internal spline; 2, shaft; 3, redundant structure; 301, groove; 302, pin; 4, inner skeleton; 5, rubber; 6, outer skeleton. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0018] like Figures 1 to 2 As shown, the utility model discloses the first implementation method of this embodiment, and the technical solution adopted is that it includes an outer skeleton 6, an inner spline 101 is provided inside the outer skeleton 6, an inner skeleton 4 is provided inside the inner spline 101, and the inner skeleton 4 is a spline structure. The teeth of the inner skeleton 4 are located inside the tooth grooves of the inner spline 101, and the outer skeleton 6 and the inner skeleton 4 are connected by rubber 5.

[0019] The working principle of the present invention is as follows: when transmitting circumferential torque, the outer skeleton 6 and the inner skeleton 4 rotate relative to each other, the tooth grooves of the outer skeleton 6 and the teeth of the inner skeleton 4 approach each other, thereby squeezing the rubber 5 between the tooth grooves and the teeth to form a hard support, thereby reducing the torque transmission delay and preventing the mutual rotation between the outer skeleton 6 and the inner skeleton 4 due to failure of the rubber 5. Example 2

[0020] like Figures 3 to 6 As shown, the utility model discloses a second implementation of this embodiment, and the technical solution adopted is, comprising a yoke 1, an internal spline 101 is provided in the yoke 1, an inner skeleton 4 is provided in the inner spline 101, the inner skeleton 4 is a spline structure, the teeth of the inner skeleton 4 are located inside the tooth grooves of the internal spline 101, the inner skeleton 4 and the yoke 1 are connected by rubber 5, the inner skeleton 4 has an interference connection shaft 2, a redundant structure 3 is provided between the shaft 2 and the yoke 1, comprising a groove 301 provided on the yoke 1 and a pin 302 plugged into the shaft 2, the inner skeleton 4 is located on the left side of the pin 302, and the pin 302 is located inside the groove 301

[0021] The working principle of the present invention is as follows: when transmitting circumferential torque, the yoke 1 and the inner frame 4 rotate relative to each other, the tooth grooves of the yoke 1 and the teeth of the inner frame 4 approach each other, thereby squeezing the rubber 5 between the tooth grooves and the teeth, forming a hard support, reducing the torque transmission delay, and preventing the failure of the rubber 5 from causing mutual rotation between the outer frame 6 and the inner frame 4. After the failure of the rubber 5, the torque can continue to be transmitted through the redundant structure 3 and will not fail immediately.

[0022] The mechanical connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belongs to common knowledge.

[0023] Components not described in detail herein are prior art.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tubular vibration damping ring with a spline structure, characterized in that: The invention comprises an outer frame (6), an inner spline (101) is provided on the outer frame (6), an inner frame (4) is provided inside the inner spline (101), the inner frame (4) is a spline structure, the teeth of the inner frame (4) are located inside the tooth grooves of the inner spline (101), and the outer frame (6) and the inner frame (4) are connected by rubber (5).

2. A tubular vibration damping structure based on the tubular vibration damping ring with a spline structure according to claim 1, characterized in that: The invention comprises a yoke (1), wherein an internal spline (101) is provided in the yoke (1), a shaft (2) is provided in the internal spline (101), an internal skeleton (4) is provided on the shaft (2), the internal skeleton (4) is a spline structure, the teeth of the internal skeleton (4) are located inside the tooth grooves of the internal spline (101), the yoke (1) and the internal skeleton (4) are connected by rubber (5), and a redundant structure (3) is provided between the shaft (2) and the yoke (1).

3. The tubular vibration damping structure with a spline structure according to claim 2, characterized in that: The redundant structure (3) comprises a groove (301) provided on the yoke (1) and a pin (302) plugged into the shaft (2), wherein the pin (302) is located inside the groove (301).

4. The tubular vibration damping structure with a spline structure according to claim 2, characterized in that: The inner skeleton (4) is interference-connected with the shaft (2), and the inner skeleton (4) is located on the left side of the pin (302).

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