High-stability thrust bearing

Abstract

The utility model relates to the field of thrust bearings, in particular to a high-stability thrust bearing, which comprises a retainer, a seat piece, a shaft piece and a rolling shaft, the rolling shaft is rotatably connected with the retainer, the seat piece and the shaft piece are respectively arranged on two sides of the retainer, the shaft piece comprises an annular horizontal part and a vertical part, and the horizontal part and the vertical part are arranged on the horizontal part. The inner side wall of the horizontal part is fixedly connected with the outer side wall of the vertical part, the vertical part makes contact with the inner side wall of the base piece, and the rolling shaft makes contact with the base piece and the horizontal part of the shaft piece at the same time. Through the arrangement of the horizontal part and the vertical part, the relative positions of the shaft piece and the seat piece are relatively fixed, so that the relative positions of all parts of the thrust bearing in the axial direction can be kept inconvenient in a low-speed state, and the stability of the thrust bearing is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thrust bearing, especially a high stability thrust bearing. BACKGROUND

[0002] Thrust bearing, also called thrust bearing, is generally composed of two thrust washers or more thrust washers and several rolling bodies, and the thrust washer is generally divided into shaft piece and seat piece, and the rolling body is generally the most common type composed of iron or copper retainer, which is a special bearing for bearing axial force, that is, the bearing of the force in the parallel direction of the shaft.

[0003] At present, the shaft piece and the seat piece of the existing thrust bearing are generally not fixed, which is that the contact between the retainer and the two is unstable, and the relative position between the shaft piece and the seat piece is also easy to change, so it is difficult to adapt to the use environment of low speed and low load. Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. INVENTION CONTENTS

[0004] The utility model discloses a high stability thrust bearing which overcomes the defects of the prior art.

[0005] A high stability thrust bearing, comprising a retainer, a seat piece, a shaft piece and a roller shaft, the roller shaft is rotatably connected with the retainer, the seat piece and the shaft piece are respectively arranged on the two sides of the retainer, the shaft piece comprises a horizontal part and a vertical part, the inner side wall of the horizontal part is fixedly connected with the outer side wall of the vertical part, and the vertical part is in contact with the inner side wall of the seat piece, and the roller shaft is in contact with the horizontal part of the seat piece and the shaft piece.

[0006] In the above technical solution, the retainer is used to set the roller shaft to realize the basic function of the bearing, the seat piece is used to contact the mounting seat, the shaft piece is used to contact the rotating shaft, the shaft piece comprises a horizontal part and a vertical part, the vertical part is used to cooperate with the rotating shaft, and the relative position between the seat piece and the shaft piece is ensured to be accurate through the contact between the vertical part and the inner side wall of the seat piece, and the roller shaft is in contact with the seat piece and the shaft piece to ensure that the bearing is in the active state.

[0007] The utility model further provides that the retainer comprises an upper plate and a lower plate, a plurality of first mounting holes are uniformly arranged on the lower plate, a plurality of second mounting holes are uniformly arranged on the upper plate, the positions of the first mounting holes and the second mounting holes correspond to each other, so that the two form a placing space after being folded, and the roller shaft is arranged in the placing space.

[0008] In the technical scheme, the upper plate and the lower plate are arranged to make the installation and replacement of the roller more convenient, and the first mounting hole and the second mounting hole are arranged to determine the installation position of the roller and provide an installation space for the roller.

[0009] The diameter of the roller is greater than the thickness of the retainer.

[0010] In the technical scheme, the diameter of the roller is greater than the diameter of the retainer, so that the shaft piece and the seat piece are not in contact with the retainer.

[0011] The upper plate is further provided with a plurality of fourth mounting holes, the positions of the third mounting holes and the fourth mounting holes correspond to each other, so that an installation space is formed after the upper plate and the lower plate are folded, and the installation space is provided with the ball, and the ball is in contact with the vertical part of the shaft piece.

[0012] In the technical scheme, the third mounting hole and the fourth mounting hole are arranged to set the ball, and the ball is arranged to improve the anti-interference capability of the shaft piece, so that the shaft piece can also withstand the axial impact.

[0013] The outer diameter of the horizontal part is consistent with the outer diameter of the seat piece.

[0014] In the technical scheme, the outer diameter of the horizontal part is consistent with the outer diameter of the seat piece, so that the overall size of the thrust bearing is more uniform after installation, and the thrust bearing is convenient to assemble with the mounting seat.

[0015] The diameter of the ball is less than the thickness of the retainer.

[0016] In the technical scheme, the diameter of the ball is less than the thickness of the retainer, so as to avoid the contact between the ball and the shaft piece or the seat piece, and to interfere with the contact between the roller and the shaft piece and the seat piece.

[0017] The utility model discloses a high stability thrust bearing compares with prior art:

[0018] 1. The utility model discloses through the arrangement of horizontal part and vertical part, the relative position between the shaft piece and the seat piece is relatively fixed, so that the relative position of each component of the thrust bearing in the axial direction can be kept inconveniently under the low speed state, and the stability of the thrust bearing is improved.

[0019] 2. The utility model discloses still through setting ball, the relative position between the retainer and the shaft piece is more determined, thereby further improve the stability of thrust bearing, and can bear certain axial force. DRAWINGS

[0020] Figure 1A perspective view of the utility model;

[0021] Figure 2 A perspective view of the cage of the utility model;

[0022] Figure 3 A perspective view of the lower plate of the utility model;

[0023] Figure 4 A perspective view of the upper plate of the utility model;

[0024] Figure 5 A sectional view of the utility model.

[0025] Corresponding component names indicated by numbers and letters in the figure: 10-cage; 101-upper plate; 101a-second mounting hole; 101b-fourth mounting hole; 102-lower plate; 102a-first mounting hole; 102b-third mounting hole; 20-rib; 30-axle piece; 301-horizontal part; 302-vertical part; 40-roller; 50-rolling ball. DETAILED DESCRIPTION

[0026] The embodiment of the utility model is described in detail below, and the embodiment is implemented under the premise of the technical scheme of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following embodiment.

[0027] As Figures 1-5 shown, the utility model provides a kind of high stability thrust bearing, including cage 10, rib 20, axle piece 30 and roller 40, the roller 40 is rotatably connected with the cage 10, the rib 20 and the axle piece 30 are respectively arranged at the two sides of the cage 10, the axle piece 30 includes annular horizontal part 301 and vertical part 302, the inner side wall of the horizontal part 301 is fixedly connected with the outer side wall of the vertical part 302, and the vertical part 302 is in contact with the inner side wall of the rib 20, the roller 40 is simultaneously in contact with the horizontal part 301 of the rib 20 and the axle piece 30. Wherein, preferably, the inner side wall of the horizontal part 301 is fixedly connected with the top of the outer side wall of the vertical part 302;The horizontal part 301 and vertical part 302 are integrally processed and formed;Rib 20 can be provided with self-lubricating material on the inner side wall.

[0028] As Figures 1-5As shown in the utility model discloses a high stability thrust bearing, the retainer 10 includes the upper plate 101 and lower plate 102, the lower plate 102 on evenly be provided with a plurality of first installation hole 102a, the upper plate 101 on evenly be provided with a plurality of second installation hole 101a, the first installation hole 102a and the second installation hole 101a's position corresponds, with the both folding after forming a placing space, the roller 40 is arranged in the placing space. Among them, the shape of the placing space is rectangular block both sides each half round block;The thickness of the lower class is greater than the thickness of the upper plate 101;The upper plate 101 and lower plate 102 can be fixed by flat head bolt, to ensure that the roller 40 is not easy to fall out;Preferably, the number of first installation hole 102a and second installation hole 101a is 10.

[0029] As Figures 1-5 The utility model discloses a high stability thrust bearing, the diameter of the roller 40 is greater than the thickness of the retainer 10.

[0030] As Figures 1-5 The utility model discloses a high stability thrust bearing, the lower plate 102 still evenly be provided with a plurality of third installation hole 102b, the upper plate 101 still be provided with a plurality of fourth installation hole 101b, the third installation hole 102b with the fourth installation hole 101b's position corresponds, with the both folding after forming an installation space, be provided with the ball 50 in this installation space, the ball 50 with the vertical portion 302 of the shaft piece 30 keeps contact. Among them, the number of third installation hole 102b is 10, and the number of fourth installation hole 101b is also 10.

[0031] As Figures 1-5 The utility model discloses a high stability thrust bearing, the outer diameter of the horizontal portion 301 is consistent with the outer diameter of the seat piece 20. Among them, the diameter of the mounting frame is also consistent with the diameter of the horizontal portion 301.

[0032] As Figures 1-5 The utility model discloses a high stability thrust bearing, the diameter of the ball 50 is less than the thickness of the retainer 10.

[0033] The working principle of the utility model is:

[0034] a) when assembling;

[0035] b) the roller is placed into the first installation hole, and the ball is placed into the third installation hole;

[0036] c) the upper plate and the lower plate are butted, and are fixed with bolt;

[0037] d) inserting the vertical part of the shaft piece into the middle hole of the holder, and making the ball contact with the vertical part and the roller contact with the horizontal part;

[0038] e) installing the seat piece with the vertical part of the shaft piece, so that the seat piece contacts with the roller, and the relative rotation between the seat piece and the shaft piece; f) at this time, the relative position between the seat piece and the shaft piece and the holder is stable, and the performance will not be changed due to the installation operation;

[0039] g) installing the rotating shaft with the shaft piece in an interference fit;

[0040] h) when the rotating shaft rotates, the shaft piece rotates with it, and the bearing function is realized.

[0041] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.

[0042] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the existence of other identical elements in the process, method, article or device including the element.

Claims

1. A high stability thrust bearing characterized by: The application relates to a bearing frame (10), a seat piece (20), a shaft piece (30) and a roller shaft (40), wherein the roller shaft (40) is rotationally connected with the bearing frame (10), the seat piece (20) and the shaft piece (30) are arranged on two sides of the bearing frame (10) respectively, the shaft piece (30) comprises a horizontal part (301) and a vertical part (302), the inner side wall of the horizontal part (301) is fixedly connected with the outer side wall of the vertical part (302), the vertical part (302) is in contact with the inner side wall of the seat piece (20), and the roller shaft (40) is in contact with the horizontal part (301) of the seat piece (20) and the shaft piece (30) simultaneously.

2. A high stability thrust bearing according to claim 1, characterized in that: The bearing frame (10) comprises an upper plate (101) and a lower plate (102), a plurality of first mounting holes (102a) are uniformly arranged on the lower plate (102), a plurality of second mounting holes (101a) are uniformly arranged on the upper plate (101), the positions of the first mounting holes (102a) and the second mounting holes (101a) correspond to each other, so that a placing space is formed after the first mounting holes (102a) and the second mounting holes (101a) are folded, and the roller shaft (40) is arranged in the placing space.

3. A high stability thrust bearing according to claim 2, wherein: The diameter of the roller shaft (40) is greater than the thickness of the bearing frame (10).

4. A high stability thrust bearing according to claim 2 or 3, characterised in that: A plurality of third mounting holes (102b) are uniformly arranged on the lower plate (102), a plurality of fourth mounting holes (101b) are arranged on the upper plate (101), the positions of the third mounting holes (102b) and the fourth mounting holes (101b) correspond to each other, so that an installation space is formed after the third mounting holes (102b) and the fourth mounting holes (101b) are folded, a ball (50) is arranged in the installation space, and the ball (50) is in contact with the vertical part (302) of the shaft piece (30).

5. A high stability thrust bearing according to claim 4, wherein: The outer diameter of the horizontal part (301) is consistent with the outer diameter of the seat piece (20).

6. A high stability thrust bearing according to claim 5, wherein: The diameter of the ball (50) is smaller than the thickness of the bearing frame (10).

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