CN215444779U

CN215444779U - Novel radial spherical plain bearing

Info

Publication number: CN215444779U
Application number: CN202121836885.0U
Authority: CN
Inventors: 周峰
Original assignee: Linhai Qianxin Forging Co ltd
Current assignee: Linhai Qianxin Forging Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-01-07
Anticipated expiration: 2031-08-07

Abstract

The utility model discloses a novel radial spherical plain bearing, which belongs to the technical field of radial spherical plain bearings, wherein the inside of a bearing outer ring is sleeved on the outer side surface of a bearing inner ring through the rotation of a rolling body, the outer side surface of the bearing inner ring is provided with an arc-shaped guide groove, the center position of the bearing inner ring is provided with a shaft hole, the inner wall of the shaft hole is provided with a guide groove, the inner wall of the guide groove is provided with a guide hole, one end of the guide hole is communicated with the arc-shaped guide groove, the inner wall of the shaft hole is sleeved with a shaft lever, the bearing inner ring of the novel radial spherical plain bearing is provided with the guide groove and the guide hole, lubricating oil can be rapidly added into the bearing through an oil filling port, a connecting hole, a center hole and a shunting hole which are arranged on the shaft lever, the convenience of adding the lubricating oil is greatly improved, and the arranged bearing outer ring and a fixed plate can not only avoid the bearing from being damaged due to the impact when being installed, and the connecting area of the shaft rod can be increased, and the mounting firmness is improved.

Description

Novel radial spherical plain bearing

Technical Field

The utility model relates to the technical field of radial spherical plain bearings, in particular to a novel radial spherical plain bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

At present, along with the development of technique, the model of bearing is of a great variety, including radial spherical plain bearing, but current radial spherical plain bearing is accomplishing the installation back with the axostylus axostyle, it adds lubricating oil to its inside mostly not to be convenient for, under the long-time rotatory work of radial spherical plain bearing, can make its inside lubricating oil consumption totally of itself, if not in time add its life of reduction that can be great, and current universal spherical plain bearing when installing with the axostylus axostyle, strike universal spherical plain bearing itself through hard thing greatly, and make universal spherical plain bearing cup joint on the axostylus axostyle surface, probably can make universal spherical plain bearing impaired in striking installation, for this reason, we have designed a novel radial spherical plain bearing, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a novel radial spherical plain bearing, wherein a bearing inner ring of the novel radial spherical plain bearing is provided with a flow guide groove and a flow guide hole, lubricating oil can be rapidly added into the bearing through an oil filling port, a connecting hole, a central hole and a flow distribution hole which are formed in a shaft rod, the convenience of adding the lubricating oil is greatly improved, and the arranged bearing outer ring and a fixed plate can not only prevent the bearing from being damaged due to impact during installation, but also increase the connecting area with the shaft rod and improve the installation firmness.

In order to solve the above problems, the present invention adopts the following technical solutions.

A novel centripetal joint bearing comprises a bearing inner ring and a bearing outer ring, wherein the inside of the bearing outer ring is sleeved on the outer side surface of the bearing inner ring through the rotation of a rolling body, the outer side surface of the bearing inner ring is provided with an arc-shaped guide groove, the central position of the bearing inner ring is provided with a shaft hole, the inner wall of the shaft hole is provided with a flow guide groove, the inner wall of the flow guide groove is provided with a flow guide hole, one end of the flow guide hole is communicated with the arc-shaped guide groove, the inner wall of the shaft hole is sleeved with a shaft rod, the side surface of the shaft rod is provided with an oil filling port, one end of the oil filling port is communicated with a connecting hole, one end of the connecting hole is communicated with a central hole, the side surface of the central hole is communicated with a flow distribution hole, one end of the shaft rod is fixedly sleeved with a limiting plate, the surface of the limiting plate is provided with a through hole, one end of the bearing outer ring is provided with a connecting part, the surface of the connecting part is fixedly sleeved with a fixing plate, the connecting hole has been seted up on the surface of fixed plate, and this novel radial spherical plain bearing's bearing inner race is provided with guiding gutter and water conservancy diversion hole, through the oil filler hole, connecting hole, centre bore and the reposition of redundant personnel hole that the axostylus axostyle set up, can be quick add lubricating oil to the bearing inside, great improvement the interpolation convenience of lubricating oil to the bearing outer lane and the fixed plate of setting not only can avoid the bearing to receive the striking when the installation and cause the damage, can increase moreover with the area of being connected of axostylus axostyle, improve the installation fastness.

Furthermore, the center of the center hole is concentric and coaxial with the axis of the shaft rod, a sealing screw is connected to the inner wall of one end of the center hole through threads, the surface of one end of the sealing screw and one end face of the shaft rod are located on the same plane, a countersunk groove is formed in one end of the center hole, the sealing screw can seal one end of the center hole, machining of the center hole is facilitated, and when the center hole is blocked, dirt in the center hole can be conveniently discharged in a detachable mode.

Furthermore, the inner wall of the oil filling port is hermetically connected with a sealing plug, the sealing plug is made of oil-resistant high-temperature-resistant elastic rubber, one end surface of the sealing plug and the surface of the shaft rod are located on the same plane, and the sealing plug has the functions of disassembling and assembling, so that the oil filling port can be conveniently opened and closed.

Further, the diffluence hole is annular equidistance and distributes, and the quantity of diffluence hole is three, the one end and the guiding gutter of diffluence hole communicate each other, and the diffluence hole that the three annular equidistance that sets up distributes can be with the even heat conduction guiding gutter of lubricating oil in.

Further, the internal diameter of connecting portion is less than the external diameter of bearing inner race, forms the spacing groove, the inner wall of spacing groove and the fixed surface fixed connection of fixed plate, the mounted position of fixed plate not only can be restricted to the spacing groove, can increase the area of being connected of bearing inner race and fixed plate moreover.

Further, the water conservancy diversion hole is annular equidistance and distributes, the quantity in water conservancy diversion hole is three, and the water conservancy diversion hole that the three annular equidistance that sets up distributes can be even to the inside lubricating oil that adds of arc guide way.

Furthermore, the arc-shaped guide groove is an annular groove, the cross section of the arc-shaped guide groove is arc-shaped, and the arc-shaped guide groove is convenient to be connected with the outer ring of the bearing through a rolling body for limiting.

Compared with the prior art, the utility model has the advantages that:

(1) the bearing inner race of this scheme is provided with guiding gutter and water conservancy diversion hole, through the oil filler hole, connecting hole, centre bore and the reposition of redundant personnel hole that the axostylus axostyle set up, can be quick add lubricating oil to the bearing inside, great improvement the interpolation convenience of lubricating oil to the bearing outer lane and the fixed plate that set up not only can avoid the bearing to receive the striking when the installation and cause the damage, can increase moreover with the area of being connected of axostylus axostyle, improvement installation fastness.

(2) The centre of a circle of centre bore is concentric coaxial with the axle center of axostylus axostyle, and there is sealing screw the one end inner wall of centre bore through threaded connection, and sealing screw's one end surface and an end face of axostylus axostyle are in the coplanar, and the one end of centre bore is equipped with countersunk groove, and sealing screw can seal the one end of centre bore, not only makes things convenient for the processing of centre bore, when the centre bore takes place to block up, can dismantle the dirty discharge in the convenient centre bore moreover.

(3) The inner wall of the oil filling port is connected with a sealing plug in a sealing mode, the sealing plug is made of oil-resistant high-temperature-resistant elastic rubber, the surface of one end of the sealing plug and the surface of the shaft lever are located on the same plane, and the sealing plug has the functions of disassembling and combining and is convenient to open and close the oil filling port.

(4) The diffluence holes are distributed in annular equidistance, the number of the diffluence holes is three, one end of the diffluence hole is communicated with the diversion trench, and the three diffluence holes distributed in annular equidistance can be used for leading the lubricating oil into the uniform heat conduction diversion trench.

(5) The inner diameter of connecting portion is less than the external diameter of bearing inner race, forms the spacing groove, and the inner wall of spacing groove is connected with the fixed surface of fixed plate, and the mounted position of fixed plate not only can be restricted to the spacing groove, can increase the connection area of bearing inner race and fixed plate moreover.

(6) The flow guide holes are distributed in an annular equidistant mode, the number of the flow guide holes is three, and lubricating oil can be uniformly added into the arc guide groove through the three flow guide holes distributed in the annular equidistant mode.

(7) The arc guide groove is a circular groove, the cross section of the arc guide groove is arc-shaped, and the arc guide groove is convenient to be connected with the outer ring of the bearing through a rolling body for limiting.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a top view of the bearing inner race structure of the present invention;

FIG. 3 is a side view of the shaft of the present invention;

FIG. 4 is a top view of the connection structure of the center hole and the shunt hole of FIG. 3;

FIG. 5 is a front view of the bearing cup of the present invention.

The reference numbers in the figures illustrate:

the bearing comprises a bearing inner ring 1, an arc-shaped guide groove 11, a guide groove 12, a guide hole 13, a shaft hole 14, a bearing outer ring 2, a connecting part 21, a limiting groove 22, a fixing plate 3, a connecting hole 31, a shaft rod 4, a central hole 41, an oil filling opening 42, a shunting hole 43, a sealing screw 44, a sealing plug 45, a connecting hole 46, a limiting plate 5 and a through hole 51.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a novel radial spherical plain bearing comprises a bearing inner ring 1 and a bearing outer ring 2, and referring to fig. 1-5, the inner portion of the bearing outer ring 2 is rotatably sleeved on the outer side surface of the bearing inner ring 1 through a rolling element, the connection assembly and the installation mode of the bearing outer ring 2 and the bearing inner ring 1 are the prior art, the working principle of the radial spherical plain bearing is well known to those skilled in the art, and will not be described in detail herein, an arc-shaped guide groove 11 is formed on the outer side surface of the bearing inner ring 1, a shaft hole 14 is formed in the center position of the bearing inner ring 1, a diversion groove 12 is formed on the inner wall of the shaft hole 14, a diversion hole 13 is formed on the inner wall of the diversion groove 12, one end of the diversion hole 13 is communicated with the arc-shaped guide groove 11, a shaft lever 4 is sleeved on the inner wall of the shaft hole 14, an oil filler 42 is formed on the side surface of the shaft lever 4, and the oil filler 42 facilitates the lubricating oil gun head to add lubricating oil into the connection hole 31, one end of the oil filling port 42 is communicated with a connecting hole 31, one end of the connecting hole 31 is communicated with a central hole 41, the central hole 41 is used for guiding the flow of the entering lubricating oil, the side surface of the central hole 41 is communicated with a shunting hole 43, the shunting hole 43 is positioned at one end of the shaft lever 4, the stress strength of the shaft lever 4 cannot be influenced, one end of the shaft lever 4 is fixedly sleeved with a limiting plate 5, the surface of the limiting plate 5 is provided with a through hole 51, one end of the bearing outer ring 2 is provided with a connecting part 21, the outer side surface of the connecting part 21 is polygonal, the fixed plate 3 can be prevented from rotating, the fixed plate 3 is fixedly sleeved on the surface of the connecting part 21, one surface of the fixed plate 3 is in contact connection with one surface of the limiting plate 5, the surface of the fixed plate 3 is provided with a connecting hole 31, the connecting hole 31 and the through hole 51 are concentric and coaxial, so that the fixing is convenient to use a bolt for fastening, meanwhile, the bearing and the shaft lever 4 can be fastened with other parts by bolts, so that the mounting firmness of the bearing and the shaft lever 4 and mechanical parts is improved.

Referring to fig. 1 and 3, a center of the center hole 41 is concentric and coaxial with an axis of the shaft lever 4, a sealing screw 44 is connected to an inner wall of one end of the center hole 41 through a thread, a surface of one end of the sealing screw 44 and a surface of one end of the shaft lever 4 are on the same plane, a countersunk groove is formed in one end of the center hole 41, the sealing screw 44 can seal one end of the center hole 41, the center hole 41 can be conveniently machined, when the center hole 41 is blocked, dirt in the center hole 41 can be conveniently discharged, a sealing plug 45 is connected to an inner wall of the oil filler 42 in a sealing manner, the sealing plug 45 is made of oil-resistant and high-temperature-resistant elastic rubber, a surface of one end of the sealing plug 45 and a surface of the shaft lever 4 are on the same plane, and the sealing plug 45 has a detachable and combined function, and the oil filler 42 can be conveniently opened and closed.

Referring to fig. 4 and 5, the diversion holes 43 are distributed in an annular equidistant manner, the number of the diversion holes 43 is three, one end of each diversion hole 43 is communicated with the guide groove 12, the three diversion holes 43 distributed in an annular equidistant manner can conduct heat of lubricating oil uniformly in the guide groove 12, the inner diameter of the connecting part 21 is smaller than the outer diameter of the bearing outer ring 2, a limiting groove 22 is formed, the inner wall of the limiting groove 22 is fixedly connected with the surface of the fixing plate 3, and the limiting groove 22 can limit the installation position of the fixing plate 3 and increase the connection area between the bearing outer ring 2 and the fixing plate 3.

Referring to fig. 2, the flow guide holes 13 are distributed in an annular shape at equal intervals, the number of the flow guide holes 13 is three, the three flow guide holes 13 distributed in an annular shape at equal intervals can uniformly add lubricating oil into the arc-shaped guide groove 11, the arc-shaped guide groove 11 is a circular groove, the cross section of the arc-shaped guide groove 11 is arc-shaped, and the arc-shaped guide groove 11 is convenient for being connected with the bearing outer ring 1 through the rolling elements for limiting.

When the novel radial spherical plain bearing is installed, one end of a shaft lever 4 can be sleeved into a shaft hole 14, then a hard object is used for impacting a fixing plate 3 to enable the bearing to be sleeved on the surface of the shaft lever 4, meanwhile, a limiting plate 5 is fixed at one end of the shaft lever 4, the fixing plate 3 is in contact with the limiting plate 5, then the fixing plate 3 and the limiting plate 5 are connected and fastened on other mechanical parts through bolts, when lubricating oil needs to be added into the bearing, a sealing plug 45 can be firstly disassembled, then a lubricating oil gun opening is aligned to an oil filling opening 42, the lubricating oil enters a connecting hole 46 through the oil filling opening 42 and then enters a flow guide groove 12 through a central hole 41 and a flow distribution hole 43, then the lubricating oil enters an arc-shaped guide groove 11 through a flow guide hole 13 under the pressure action of the oil filling gun and is in contact with a rolling body between a bearing inner ring 1 and a bearing outer ring 2 to increase the lubricating property of the bearing, bearing inner race 1 is provided with guiding gutter 12 and water conservancy diversion hole 13, oil filler hole 42 through axostylus axostyle 4 setting, connecting hole 46, centre bore 41 and reposition of redundant personnel hole 43, can be quick add lubricating oil to inside the bearing, great improvement the interpolation convenience of lubricating oil, and the bearing outer lane 2 and the fixed plate 3 that set up, not only can avoid the bearing to receive the striking when the installation and cause the damage, and can increase the connection area with axostylus axostyle 4, improve the installation fastness of bearing and axostylus axostyle 4.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a novel radial spherical plain bearing, includes bearing inner race (1) and bearing outer lane (2), its characterized in that: the bearing inner ring is characterized in that the inside of the bearing outer ring (2) is rotatably sleeved on the outer side surface of the bearing inner ring (1) through a rolling body, an arc-shaped guide groove (11) is formed in the outer side surface of the bearing inner ring (1), a shaft hole (14) is formed in the central position of the bearing inner ring (1), a guide groove (12) is formed in the inner wall of the shaft hole (14), a guide hole (13) is formed in the inner wall of the guide groove (12), one end of the guide hole (13) is communicated with the arc-shaped guide groove (11), a shaft rod (4) is sleeved on the inner wall of the shaft hole (14), an oil filling port (42) is formed in the side surface of the shaft rod (4), one end of the oil filling port (42) is communicated with a connecting hole (31), one end of the connecting hole (31) is communicated with a central hole (41), the side surface of the central hole (41) is communicated with a diversion hole (43), a limiting plate (5) is fixedly sleeved on one end of the shaft rod (4), through-hole (51) have been seted up on the surface of limiting plate (5), the one end of bearing inner race (2) is equipped with connecting portion (21), fixed plate (3) have been cup jointed to the fixed surface of connecting portion (21), connecting hole (31) have been seted up on the surface of fixed plate (3).

2. A new radial spherical plain bearing according to claim 1, wherein: the center of the center hole (41) is concentric and coaxial with the axis of the shaft lever (4), the inner wall of one end of the center hole (41) is connected with a sealing screw (44) through threads, the surface of one end of the sealing screw (44) and one end face of the shaft lever (4) are located on the same plane, and one end of the center hole (41) is provided with a countersunk groove.

3. A new radial spherical plain bearing according to claim 1, wherein: the inner wall of the oil filling port (42) is connected with a sealing plug (45) in a sealing mode, the sealing plug (45) is made of oil-resistant high-temperature-resistant elastic rubber, and the surface of one end of the sealing plug (45) and the surface of the shaft rod (4) are located on the same plane.

4. A new radial spherical plain bearing according to claim 1, wherein: the diffluence hole (43) is annular equidistance and distributes, and the quantity of diffluence hole (43) is three, the one end and the guiding gutter (12) of diffluence hole (43) communicate each other.

5. A new radial spherical plain bearing according to claim 1, wherein: the inner diameter of the connecting part (21) is smaller than the outer diameter of the bearing outer ring (2) to form a limiting groove (22), and the inner wall of the limiting groove (22) is fixedly connected with the surface of the fixing plate (3).

6. A new radial spherical plain bearing according to claim 1, wherein: the water conservancy diversion hole (13) are annular equidistance and distribute, the quantity of water conservancy diversion hole (13) is three.

7. A new radial spherical plain bearing according to claim 1, wherein: the arc-shaped guide groove (11) is a circular groove, and the cross section of the arc-shaped guide groove is arc-shaped.