CN210565755U

CN210565755U - Radial spherical plain bearing

Info

Publication number: CN210565755U
Application number: CN201921626037.XU
Authority: CN
Inventors: 黄小龙
Original assignee: Zhangzhou Ward Bearing Co Ltd
Current assignee: Zhangzhou Ward Bearing Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-19
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a radial spherical plain bearing, including the shell, the annular arrangement has six recesses in the middle of the shell, and the shell left and right sides is equipped with the screw hole, and both sides welding has the connecting seat around the shell, is equipped with the screw hole on the connecting seat, is equipped with the outer lane in the middle of the shell, and outer lane endotheca has the inner circle, and the endotheca has the part in the middle of the inner circle, the utility model discloses a movable block rotates along with the rotation of part, protects the clearance between inner circle and the outer lane, avoids during the foreign matter gets into the clearance of inner circle and outer lane, fixes a position.

Description

Radial spherical plain bearing

Technical Field

The utility model relates to a bearing field specifically is a radial spherical plain bearing.

Background

The spherical plain bearing works by mutual rotation of an inner ring and an outer ring, is widely applied to engineering hydraulic oil cylinders, forging and pressing machine tools, engineering machinery and the like, but the existing radial plain bearing has some problems when in use; firstly, the radial spherical plain bearing works through mutual rotation between an inner ring and an outer ring, some dust easily enters a gap between the inner ring and the outer ring during rotation, and the conventional radial spherical plain bearing has no protection device; secondly, some existing radial spherical plain bearings are positioned through pin shafts, but the bearings are not transparent, cannot be well observed when the pin shafts are inserted, and are troublesome to assemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radial spherical plain bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a radial spherical plain bearing, includes the shell, the ring-shaped range has six recesses in the middle of the shell, the shell both sides all are equipped with the screw hole, both sides welding has the connecting seat around the shell, be equipped with the screw hole on the connecting seat, be equipped with the outer lane in the middle of the shell, outer lane endotheca has the inner circle, the endotheca has the part in the middle of the inner circle.

Preferably, the outer ring is two symmetrical outer ring bodies which are axially separated, three connecting tables are annularly arranged on each outer ring, the size of each connecting table is matched with that of each groove, the spacing distance between every two connecting tables is equal to that between every two grooves, two side faces of one outer ring are provided with protrusions, two side faces of the other outer ring are provided with connecting grooves, and the protrusions are matched with the connecting grooves in size.

Preferably, a lubricating material is pasted on the outer ring, and the lubricating material is annularly arranged in the outer ring.

Preferably, moving grooves are formed in the ring bodies on the two sides of the outer ring, the moving grooves are of an arc top structure, moving blocks are connected in the moving grooves in a sliding mode, a spring is fixedly arranged at one end of each moving block, the other end of each moving block is connected with a part, one end of each spring is fixedly connected with the corresponding moving block, and the other end of each spring is in contact with the inner wall of the bottom end of the corresponding moving block.

Compared with the prior art, the beneficial effects of the utility model are that: the moving block is added, moving grooves are formed in ring bodies on two sides of an outer ring, the moving grooves are of arc structures, the moving blocks are connected in the moving grooves in a sliding mode, when parts drive the inner ring to rotate, the moving blocks connected with parts move in the moving grooves, springs are arranged at the bottom ends of the moving blocks, the springs push the moving blocks to be tightly attached to the parts, the moving blocks are enabled to rotate along with the rotation of the parts, gaps between the inner ring and the outer ring are protected, foreign matters are prevented from entering the gaps between the inner ring and the outer ring, and normal work of the radial bearing is guaranteed; six grooves are annularly arranged on the inner side of the shell, a connecting table is annularly arranged on the outer ring, rapid positioning is carried out by clamping the connecting table and the grooves, the outer ring is two symmetrical outer ring bodies which are axially separated, clamping and installing are carried out in the shell through a bulge and a connecting groove, an inner ring is sleeved between the outer rings, bolts penetrate through threaded holes in the shell to lock and fix the two outer rings, and meanwhile, the inner ring is clamped in the outer ring, so that the bearing normally works; the annular paste has lubricating material on the outer lane for the bearing need not refuel when using, convenient maintenance.

Drawings

FIG. 1 is a schematic perspective view of the housing and the outer ring;

fig. 2 is a schematic view of a bearing connection structure.

In the figure: the structure comprises a shell 1, a groove 2, a threaded hole 3, a connecting seat 4, a connecting table 5, an outer ring 6, a protrusion 7, a connecting groove 8, an inner ring 9, parts 10, a lubricating material 11, a moving groove 12, a spring 13 and a moving block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a radial spherical plain bearing, includes

shell

1, and 1 middle ring-shaped of shell arranges has six

recesses

2, and 1 both sides of shell all are equipped with screw hole 3, and the welding of both sides has connecting seat 4 around shell 1, is equipped with screw hole 3 on the connecting seat 4, is equipped with outer lane 6 in the middle of the

shell

1, and 6 endotheca in outer lane have inner circle 9, and the middle cover of inner circle 9 has part 10.

Outer lane 6 is two outer ring bodies of the separately symmetry of axial, it has three connection platform 5 to all arrange annularly on every outer lane 6, connect 5 sizes of platform and recess 2 phase-matchs, every two interval distances of connecting between the platform 5 and the interval distance between two recess 2 equal, two sides of a slice outer lane 6 all are equipped with protruding 7, two sides of another slice outer lane 6 all are equipped with spread groove 8, protruding 7 and spread groove 8's size phase-matchs, fix a position rapidly through connecting platform 5 and recess 2 joint, it is more convenient to make the installation.

The lubricating material 11 is pasted on the outer ring 6, and the lubricating material 11 is annularly arranged in the outer ring 6, so that the bearing does not need to be oiled when in use, and the bearing is convenient to maintain.

All be equipped with the shifting chute 12 on the 6 both sides circle bodies in outer lane, shifting chute 12 is the arc top structure, sliding connection has movable block 14 in shifting chute 12, the fixed spring 13 that is equipped with of one end of movable block 14, the other end and the part 10 of movable block 14 meet, spring 13 one end and movable block 14 fixed connection, the spring 13 other end contacts with 12 bottom inner walls in shifting chute, spring 13 promotes movable block 14 and hugs closely part 10, make movable block 14 rotate along with the rotation of part 10, protect the clearance between inner circle 9 and outer lane 6, avoid the foreign matter to get into in the clearance of inner circle 9 and outer lane 6, guarantee radial bearing normal work.

The working principle is as follows: when the radial spherical plain bearing is installed, firstly, an inner ring 9 is sleeved between two outer rings 6, six grooves 2 are annularly arranged on the inner side of a shell 1, a connecting table 5 is annularly arranged on the outer ring 6, the outer ring 6 clamps the inner ring 10 into the shell 1 through the connecting table 5, and the rapid positioning is carried out through the clamping of the connecting table 5 and the grooves 2, so that the installation is more convenient, two outer rings 6 are locked and fixed through bolts penetrating through threaded holes 3 on the shell 1, a part 10 is clamped into the inner ring 9, moving grooves 12 are arranged on ring bodies on two sides of the outer ring 6, the moving grooves 12 are of arc structures, moving blocks 14 are slidably connected in the moving grooves 12, when the part 10 drives the inner ring 9 to rotate, the moving blocks 14 connected with the part 10 move in the moving grooves 12, springs 13 are arranged at the bottom ends of the moving blocks 14, the springs 13 push the moving blocks 14 to be tightly attached to the part, the clearance to between inner circle 9 and the outer lane 6 is protected, avoids the foreign matter to get into in the clearance of inner circle 9 and outer lane 6, guarantees radial bearing normal work, and annular paste has lubricating material 11 on the outer lane 6 for the bearing need not refuel when using, convenient maintenance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A radial spherical plain bearing comprising a housing (1), characterized in that: the utility model discloses a novel bearing shell, including shell (1), connecting seat (4), threaded hole (3) are equipped with in the middle of the ring arrangement of shell (1), shell (1) both sides all are equipped with screw hole (3), both sides welding has connecting seat (4) around shell (1), be equipped with screw hole (3) on connecting seat (4), be equipped with outer lane (6) in the middle of shell (1), outer lane (6) endotheca has inner circle (9), the cover has part (10) in the middle of inner circle (9).

2. A radial spherical plain bearing according to claim 1, wherein: the outer ring (6) is two piece outer ring bodies of the symmetry that the axial is partd, every piece all ring arrangement has three connection platform (5) on outer ring (6), connect platform (5) size and recess (2) phase-match, every two the interval distance between connection platform (5) equals with the interval distance between two recesses (2), a piece two sides of outer ring (6) all are equipped with arch (7), another piece two sides of outer ring (6) all are equipped with spread groove (8), the size phase-match of arch (7) and spread groove (8).

3. A radial spherical plain bearing according to claim 1, wherein: and a lubricating material (11) is pasted on the outer ring (6), and the lubricating material (11) is annularly arranged in the outer ring (6).

4. A radial spherical plain bearing according to claim 1, wherein: moving grooves (12) are formed in two side ring bodies of the outer ring (6), the moving grooves (12) are of an arc top structure, moving blocks (14) are connected in the moving grooves (12) in a sliding mode, springs (13) are fixedly arranged at one ends of the moving blocks (14), the other ends of the moving blocks (14) are connected with parts (10), one ends of the springs (13) are fixedly connected with the moving blocks (14), and the other ends of the springs (13) are in contact with the inner wall of the bottom end of the moving grooves (12).