CN217177140U

CN217177140U - Joint bearing convenient to carry out spacing to inner circle

Info

Publication number: CN217177140U
Application number: CN202123441076.2U
Authority: CN
Inventors: 陈骅
Original assignee: Wuxi Unison Technology Co ltd
Current assignee: Wuxi Unison Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a joint bearing convenient for limiting the inner ring, which relates to the technical field of joint bearings and comprises an inner ring, an outer ring and a connecting rod fixedly connected with the outer ring; the inner ring is in running fit with the outer ring, the two ends of the outer ring are respectively provided with a limiting ring, and the diameter of the inner ring is larger than the inner diameter of the limiting ring. The utility model discloses can reduce the inner circle and take place the possibility that drops.

Description

Joint bearing convenient to carry out spacing to inner circle

Technical Field

The utility model belongs to the technical field of joint bearing's technique and specifically relates to a joint bearing convenient to carry on spacingly to the inner circle is related to.

Background

At present, a spherical sliding bearing is a spherical sliding bearing, and the sliding contact surfaces of the spherical sliding bearing are an inner spherical surface and an outer spherical surface, so that the spherical sliding bearing can rotate and swing at any angle during movement.

The related technology can refer to the Chinese utility model patent with the publication number of CN201475165U, which discloses a joint bearing, comprising an inner ring, a copper ring, an outer ring and a connecting rod integrated with the outer ring; the copper ring is tightly matched on the inner wall of the outer ring; the inner ring is in running fit with the copper ring; the connecting rod is provided with a threaded hole, an axial through hole and a radial through hole which are communicated with the threaded hole; the copper ring is provided with a through hole communicated with the axial through hole; and the radial through hole is connected with an oil injection joint. The utility model has the advantages that: on the premise of ensuring the normal work of the inner ring, a user can add lubricating oil at any time.

However, the above structure does not facilitate the inner ring to be restrained, so that the inner ring may be dropped.

SUMMERY OF THE UTILITY MODEL

The application provides a joint bearing convenient to carry on spacingly to the inner circle can reduce the inner circle and take place the possibility that drops.

The application provides a pair of joint bearing convenient to carry on spacingly to the inner circle adopts following technical scheme:

a joint bearing convenient for limiting an inner ring comprises the inner ring, the outer ring and a connecting rod fixedly connected with the outer ring; the inner ring is in running fit with the outer ring, the two ends of the outer ring are respectively provided with a limiting ring, and the diameter of the inner ring is larger than the inner diameter of the limiting ring.

Through adopting above-mentioned technical scheme, through the spacing ring that sets up, can produce certain spacing to the inner circle under the prerequisite that does not influence the inner circle pivoted to can reduce the possibility that the inner circle takes place to drop.

Preferably, a threaded hole and an axial through hole communicated with the threaded hole are formed in the connecting rod, an oil injection hole is formed in one side of the axial through hole, a through hole is formed in the outer ring, one end of the through hole is communicated with the axial through hole, and the other end of the through hole is communicated with the inner circumferential surface of the outer ring.

By adopting the technical scheme, the inner circumferential surface of the outer ring is convenient to lubricate, so that the friction between the inner ring and the outer ring can be reduced, and the service life of the inner ring can be prolonged.

Preferably, the inner circumferential surface of the outer ring is provided with an annular groove, and the annular groove is communicated with one end of the through hole far away from the axial through hole.

By adopting the technical scheme, the inner circumferential surface of the outer ring is convenient to lubricate through the arranged annular groove.

Preferably, the oil filling hole is provided with a connecting device for connecting a pipeline, and the connecting device comprises a connecting pipe communicated with the oil filling hole and an end cover in threaded connection with the outer side wall of the connecting pipe; and the connecting pipe is provided with a fixing mechanism for fixing the pipeline.

Through adopting above-mentioned technical scheme, when the pipeline of need to the oiling is connected, make the pipeline peg graft in the connecting pipe through removing the pipeline earlier, then fix the pipeline through fixed establishment to the pipeline of being convenient for carries lubricating oil in to the axial through-hole.

Preferably, a sealing ring is arranged between the end cover and the connecting pipe.

Through adopting above-mentioned technical scheme, through the sealing washer that sets up, after end cover and connecting pipe are connected, can reduce the leakage of lubricating oil.

Preferably, the fixing mechanism comprises a fixing ring fixedly connected to the inner peripheral surface of the connecting pipe and a plurality of elastic sheets sequentially and fixedly connected to the inner peripheral surface of the fixing ring along the circumferential direction of the fixing ring, and the connecting pipe is provided with a driving assembly for driving the elastic sheets to move.

Through adopting above-mentioned technical scheme, when needs are fixed to the pipeline, earlier make the flexure strip remove to the axial lead direction of keeping away from the connecting pipe through drive assembly, then make the pipeline pass through between the flexure strip through removing the pipeline, loosen the flexure strip through drive assembly next, alright fix the pipeline under the effect of flexure strip this moment.

Preferably, the driving assembly comprises an intermediate pipe connected to the inner side wall of the connecting pipe in a sliding manner, two ends of the intermediate pipe are fixedly connected with a pushing pipe and a pressing pipe respectively, the pressing pipe protrudes out of one end of the connecting pipe, which is far away from the connecting rod, and the pushing pipe abuts against one side, which is close to the intermediate pipe, of the elastic sheet.

By adopting the technical scheme, when the elastic sheet needs to be driven to move, the pressing pipe is driven to move, the pressing pipe drives the middle pipe to move, the middle pipe drives the pushing pipe to move, and the elastic sheet can be driven to move by the pushing pipe; through the drive assembly who sets up, be convenient for drive flexure strip motion.

Preferably, the inner peripheral surface of the connecting pipe is fixedly connected with an annular block, and the middle pipe is connected to the inner side wall of the annular block in a sliding manner.

Through adopting above-mentioned technical scheme, through the annular piece that sets up, be convenient for lead to the intermediate tube.

In summary, the present application has the following beneficial effects:

1. the inner ring can be limited to a certain extent by the limiting ring on the premise of not influencing the rotation of the inner ring, so that the possibility of falling off of the inner ring can be reduced;

2. when a pipeline needing oil injection is connected, the pipeline is firstly inserted into the connecting pipe by moving the pipeline, and then the pipeline is fixed by the fixing mechanism, so that the pipeline can conveniently convey lubricating oil into the axial through hole;

3. when the pipeline needs to be fixed, the elastic pieces are moved towards the direction of the axis line far away from the connecting pipe through the driving assembly, then the pipeline passes through the elastic pieces through the moving pipeline, then the elastic pieces are loosened through the driving assembly, and at the moment, the pipeline can be fixed under the action of the elastic pieces.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a partial cross-sectional view of an embodiment highlighting an annular groove;

FIG. 3 is a partial cross-sectional view of a highlighted attachment means of an embodiment.

Description of reference numerals: 1. an inner ring; 2. an outer ring; 21. perforating; 22. an annular groove; 3. a connecting rod; 31. a threaded hole; 32. an axial through hole; 33. an oil filler hole; 4. a limiting ring; 5. a connecting device; 51. a connecting pipe; 52. an end cap; 53. a seal ring; 6. a fixing mechanism; 61. a fixing ring; 62. an elastic sheet; 63. an intermediate pipe; 64. a ring block; 65. pushing the pipe; 66. and pressing the tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model discloses a joint bearing convenient for limiting the inner ring, as shown in figure 1, comprising an inner ring 1, an outer ring 2 and a connecting rod 3 fixedly connected with the outer ring 2; the inner ring 1 is in running fit with the outer ring 2, the two ends of the outer ring 2 are respectively provided with a limiting ring 4, and the diameter of the inner ring 1 is larger than the inner diameter of the limiting ring 4. Through the limiting ring 4, certain limitation can be generated on the inner ring 1 on the premise of not influencing the rotation of the inner ring 1, so that the possibility of falling off of the inner ring 1 can be reduced.

As shown in fig. 1 and 2, a threaded hole 31 and an axial through hole 32 communicated with the threaded hole 31 are formed in the connecting rod 3, the threaded hole 31 and the axial through hole 32 both extend along the axial direction of the connecting rod 3, an oil injection hole 33 is formed in one side of the axial through hole 32, a through hole 21 is formed in the outer ring 2, the through hole 21 extends along the radial direction of the connecting rod 3, one end of the through hole 21 is communicated with the axial through hole 32, and the other end is communicated with the inner circumferential surface of the outer ring 2; an annular groove 22 is formed in the inner circumferential surface of the outer ring 2, and the annular groove 22 is communicated with one end of the through hole 21 far away from the axial through hole 32. The annular groove 22 is provided to facilitate lubrication of the inner circumferential surface of the outer ring 2, so that friction between the inner ring 1 and the outer ring 2 can be reduced, and thus the service life of the inner ring 1 can be prolonged.

As shown in fig. 2 and 3, a connecting device 5 for connecting a pipeline for injecting lubricating oil is mounted on the oil injection hole 33, and the connecting device 5 comprises a connecting pipe 51 communicated with the oil injection hole 33 and an end cover 52 screwed on the outer side wall of the connecting pipe 51; the connecting pipe 51 is arranged along the axial direction of the oil filling hole 33, a sealing ring 53 is arranged between the end cover 52 and the connecting pipe 51, and a fixing mechanism 6 for fixing a pipeline is mounted on the connecting pipe 51. When the pipeline of oiling is required to be connected, the pipeline is firstly inserted into the connecting pipe 51 by moving the pipeline, and then the pipeline is fixed by the fixing mechanism 6, so that the pipeline can conveniently convey lubricating oil into the axial through hole 32.

As shown in fig. 2 and 3, the fixing mechanism 6 includes a fixing ring 61 fixedly connected to the inner circumferential surface of the connecting pipe 51 and a plurality of elastic pieces 62 fixedly connected to the inner circumferential surface of the fixing ring 61 in sequence along the circumferential direction of the fixing ring 61, the elastic pieces 62 are made of spring steel, a channel for passing a pipeline is enclosed by the plurality of elastic pieces 62, each elastic piece 62 is arranged in a direction close to the axial lead of the connecting pipe 51 in an inclined manner, the distance between one end of the elastic piece 62 close to the fixing ring 61 and the end cover 52 far away from the fixing ring 61 is gradually increased, and a driving assembly for driving the elastic piece 62 to move is mounted on the connecting pipe 51. When the pipeline needs to be fixed, the elastic pieces 62 are moved towards the direction away from the axis of the connecting pipe 51 by the driving assembly, then the pipeline passes through the elastic pieces 62 by moving the pipeline, and then the elastic pieces 62 are released by the driving assembly, so that the pipeline can be fixed under the action of the elastic pieces 62.

As shown in fig. 2 and 3, the driving assembly includes an intermediate pipe 63 slidably connected to an inner sidewall of the connecting pipe 51 along an axial direction of the connecting pipe 51, an annular block 64 is fixedly connected to an inner circumferential surface of the connecting pipe 51, the intermediate pipe 63 is slidably connected to the inner sidewall of the annular block 64, a rubber ring is disposed on an inner circumferential surface of the annular block 64, the intermediate pipe 63 is disposed along the axial direction of the connecting pipe 51, the rubber ring is disposed on an inner sidewall of the intermediate pipe 63, a push pipe 65 and a press pipe 66 are respectively fixedly connected to both ends of the intermediate pipe 63, the press pipe 66 is disposed to protrude from one end of the connecting pipe 51 away from the connecting rod 3, and the push pipe 65 abuts against one side of the elastic sheet 62 close to the intermediate pipe 63. When the elastic sheet 62 needs to be driven to move, the pressing pipe 66 is driven to move, the pressing pipe 66 moves to drive the intermediate pipe 63 to move, the intermediate pipe 63 moves to drive the pushing pipe 65 to move, and the pushing pipe 65 moves to drive the elastic sheet 62 to move; the driving assembly is arranged to drive the elastic sheet 62 to move.

The working principle is as follows: through the limiting ring 4, certain limitation can be generated on the inner ring 1 on the premise of not influencing the rotation of the inner ring 1, so that the possibility of falling off of the inner ring 1 can be reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A joint bearing convenient for limiting an inner ring comprises the inner ring (1), an outer ring (2) and a connecting rod (3) fixedly connected with the outer ring (2); inner circle (1) and outer lane (2) normal running fit, its characterized in that: limiting rings (4) are respectively installed at two ends of the outer ring (2), and the diameter of the inner ring (1) is larger than the inner diameter of each limiting ring (4).

2. The spherical plain bearing of claim 1, wherein: the connecting rod (3) is internally provided with a threaded hole (31) and an axial through hole (32) communicated with the threaded hole (31), one side of the axial through hole (32) is provided with an oil filling hole (33), the outer ring (2) is provided with a through hole (21), one end of the through hole (21) is communicated with the axial through hole (32), and the other end of the through hole is communicated with the inner circumferential surface of the outer ring (2).

3. The oscillating bearing convenient for limiting the inner ring according to claim 2, characterized in that: an annular groove (22) is formed in the inner circumferential surface of the outer ring (2), and the annular groove (22) is communicated with one end, far away from the axial through hole (32), of the through hole (21).

4. The spherical plain bearing of claim 2, wherein: the oil filling hole (33) is provided with a connecting device (5) for connecting a pipeline, and the connecting device (5) comprises a connecting pipe (51) communicated with the oil filling hole (33) and an end cover (52) in threaded connection with the outer side wall of the connecting pipe (51); and a fixing mechanism (6) for fixing the pipeline is arranged on the connecting pipe (51).

5. The spherical plain bearing of claim 4, wherein: and a sealing ring (53) is arranged between the end cover (52) and the connecting pipe (51).

6. The spherical plain bearing of claim 4, wherein: the fixing mechanism (6) comprises a fixing ring (61) fixedly connected to the inner peripheral surface of the connecting pipe (51) and a plurality of elastic sheets (62) sequentially and fixedly connected to the inner peripheral surface of the fixing ring (61) along the circumferential direction of the fixing ring (61), and a driving assembly used for driving the elastic sheets (62) to move is mounted on the connecting pipe (51).

7. The spherical plain bearing of claim 6, wherein: the drive assembly is including sliding intermediate pipe (63) of connecting in connecting pipe (51) inside wall, the both ends of intermediate pipe (63) rigid coupling respectively have push pipe (65) and press pipe (66), press pipe (66) outstanding connecting pipe (51) and keep away from the one end setting of connecting rod (3), push pipe (65) butt is close to one side of intermediate pipe (63) in elastic sheet (62).

8. The spherical plain bearing of claim 7, wherein: an annular block (64) is fixedly connected to the inner circumferential surface of the connecting pipe (51), and the middle pipe (63) is connected to the inner side wall of the annular block (64) in a sliding mode.