CN219262976U

CN219262976U - Joint bearing with good sealing performance

Info

Publication number: CN219262976U
Application number: CN202223282508.4U
Authority: CN
Inventors: 张天鹏; 赵晓霞; 付强
Original assignee: Dalian Huayang Seiko Bearing Manufacturing Co ltd
Current assignee: TIANJIN KAIGUANG TECHNOLOGY Co.,Ltd.
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-27
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a joint bearing with good sealing performance, which belongs to the technical field of bearings and comprises a joint bearing body, wherein a dustproof sealing ring is arranged on one side of the joint bearing body, a plurality of telescopic rods are fixedly connected in the dustproof sealing ring, and one end of each telescopic rod is fixedly connected with a flexible sealing gasket. This joint bearing that leakproofness is good is through setting up dustproof sealing washer, telescopic link, spring, flexible sealing pad, screw hole and installation screw rod to make flexible sealing pad and joint bearing body contact inseparabler, when making this device use, can seal joint bearing body, thereby make between joint bearing body's the outer lane and joint bearing body's the inner circle constitute a airtight environment, avoid outside dust to get into joint bearing body's rotation junction, thereby influence joint bearing body's life, also do not influence joint bearing's normal rotation simultaneously, improved joint bearing's flexibility.

Description

Joint bearing with good sealing performance

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a joint bearing with good sealing performance.

Background

The joint bearing is a spherical sliding bearing, the sliding contact surface of the joint bearing is an inner spherical surface and an outer spherical surface, and the joint bearing can rotate and swing at any angle during movement, but the existing joint bearing lacks a sealing structure, so that dust can be blocked at a rotating joint, the rotating flexibility of the joint bearing is reduced, and the sealing and flexible performance of the radial joint bearing are affected.

Disclosure of Invention

In order to overcome the defects, the utility model provides the knuckle bearing with good sealing performance, and solves the problems that dust is blocked at a rotating joint due to the lack of a sealing structure of the knuckle bearing, the rotation flexibility of the knuckle bearing is reduced, and the sealing and flexibility performance of the radial knuckle bearing are affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a joint bearing that leakproofness is good, includes the joint bearing body, one side of joint bearing body is provided with dustproof sealing washer, a plurality of telescopic link of fixedly connected with in the dustproof sealing washer, the one end fixedly connected with flexible sealing pad of telescopic link, the spring has been cup jointed in the outside of telescopic link, dustproof sealing washer has a plurality of installation screw rod through a plurality of screw hole threaded connection.

As a further aspect of the utility model: the two ends of the spring are respectively fixedly connected to the outer side of the telescopic rod and the inner side of the flexible sealing gaskets, and the side surfaces of the flexible sealing gaskets are lapped on one side of the inner ring of the knuckle bearing body.

As a further aspect of the utility model: the flexible sealing gaskets are arranged in an arc shape, and the flexible sealing gaskets are distributed in the dustproof sealing ring at equal intervals.

As a further aspect of the utility model: the outside of joint bearing body has seted up the drainage groove, be equipped with a plurality of water conservancy diversion hole in the drainage groove, a plurality of the one end intercommunication of water conservancy diversion hole has same oil storage tank.

As a further aspect of the utility model: one side of the oil storage tank is communicated with a plurality of diversion holes, the drainage groove is an arc groove, and the oil storage tank is arranged in the joint bearing body.

As a further aspect of the utility model: the telescopic rods are distributed in the dustproof sealing ring at the same distance, and the positions of the threaded holes and the mounting screw are correspondingly arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. this joint bearing that leakproofness is good, through setting up dustproof sealing ring, the telescopic link, the spring, flexible sealing pad, screw hole and installation screw rod, pass the screw hole with the installation screw rod and screw into joint bearing originally internally, can install fixedly dustproof sealing ring's position, so as to seal joint bearing body, when joint bearing body inner circle rotates, joint bearing body's inner circle can extrude flexible sealing pad, because the telescopic link can shrink, flexible sealing pad slides in dustproof sealing ring and compresses the spring this moment, and apply reaction force to flexible sealing pad through the elasticity of spring self, thereby make flexible sealing pad and joint bearing body contact more closely, make when this device is used, can seal joint bearing body, thereby constitute a confined environment between joint bearing body's outer lane and joint bearing body's the inner circle, avoid outside dust to get into joint bearing body's rotation junction, thereby influence joint bearing body's life, also do not influence joint bearing's normal rotation simultaneously, joint bearing's flexibility has been improved.

2. This joint bearing that leakproofness is good, through setting up drainage groove, water conservancy diversion hole, oil storage tank and reposition of redundant personnel hole, the drainage groove on the joint bearing body outer lane can be with the leading-in guide hole of lubricating oil to in flowing into the oil storage tank through the water conservancy diversion hole, can store lubricating oil, when the joint bearing body used, the absorbing lubricating oil in the oil storage tank makes the even smearing of lubricating oil in the joint bearing body through a plurality of reposition of redundant personnel holes, thereby lubricate the joint bearing body.

3. This joint bearing that leakproofness is good takes out the installation screw rod from the screw hole through setting up installation screw rod and screw hole, takes out the dust seal circle from joint bearing is internal, can dismantle the dust seal circle to according to the in-service use condition of drainage groove to dust seal circle uses.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a cross section of a dustproof seal ring according to the present utility model;

FIG. 3 is a schematic view of the cross-section of the spherical plain bearing body according to the present utility model;

in the figure: the novel spherical plain bearing comprises a joint bearing body 1, a dustproof sealing ring 2, a telescopic rod 3, a spring 4, a flexible sealing gasket 5, a threaded hole 6, a mounting screw 7, a drainage groove 8, a diversion hole 9, an oil storage groove 10 and a diversion hole 11.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a joint bearing that leakproofness is good, including joint bearing body 1, one side of joint bearing body 1 is provided with dustproof sealing washer 2, a plurality of telescopic link 3 of fixed connection in the dustproof sealing washer 2, telescopic link 3 distributes in dustproof sealing washer 2 with the same distance, and dustproof sealing washer 2 can seal joint bearing body 1 to make between the inner circle of joint bearing body 1 and the outer lane of joint bearing body 1 constitute a closed environment, avoid outside dust to get into joint bearing body 1's rotation junction, thereby influence joint bearing body 1's life;

one end of the telescopic rod 3 is fixedly connected with a flexible sealing gasket 5, the outer side of the telescopic rod 3 is sleeved with a spring 4, two ends of the spring 4 are respectively and fixedly connected to the outer side of the telescopic rod 3 and the inner side of the flexible sealing gasket 5, the side faces of a plurality of flexible sealing gaskets 5 are lapped on one side of an inner ring of the joint bearing body 1, the flexible sealing gaskets 5 are arranged in an arc shape, the plurality of flexible sealing gaskets 5 are distributed in the dustproof sealing ring 2 at equal intervals, the flexible sealing gaskets 5 can be extruded when the inner ring of the joint bearing body 1 rotates, and the flexible sealing gaskets 5 slide in the dustproof sealing ring 2 and compress the spring 4 at the moment and exert reactive force on the flexible sealing gaskets 5 through the self elasticity of the spring 4, so that the flexible sealing gaskets 5 are in contact with the joint bearing body 1 more tightly, the sealing efficiency of the joint bearing body 1 is improved, and meanwhile, the normal rotation of the joint bearing is not influenced;

the dustproof sealing ring 2 is connected with a plurality of installation screws 7 through a plurality of threaded holes 6, the positions of the threaded holes 6 and the installation screws 7 are correspondingly arranged, the installation screws 7 are taken out from the threaded holes 6, the dustproof sealing ring 2 can be disassembled and assembled from the joint bearing body 1, and therefore the dustproof sealing ring 2 can be used according to the actual use condition of the drainage groove 8.

The drainage groove 8 has been seted up in the outside of joint bearing body 1, drainage groove 8 is the circular arc groove, be equipped with a plurality of guiding hole 9 in the drainage groove 8, the one end intercommunication of a plurality of guiding hole 9 has same oil storage tank 10, one side intercommunication of oil storage tank 10 has a plurality of branch flow hole 11, oil storage tank 10 sets up in joint bearing body 1, can guide into the guiding hole 9 with lubricating oil through drainage groove 8, and flow into oil storage tank 10 through guiding hole 9, can store lubricating oil, during the use, the absorbing lubricating oil in oil storage tank 10 makes the even smearing of lubricating oil in joint bearing body 1 through a plurality of branch flow holes 11, thereby lubricate joint bearing body 1.

The working principle of the utility model is as follows:

when the telescopic rod type spherical plain bearing is used, the dustproof sealing ring 2 is placed on the side face of the spherical plain bearing body 1, the installation screw 7 penetrates through the threaded hole 6 and is screwed into the spherical plain bearing body 1 so as to install and fix the dustproof sealing ring 2, when the inner ring of the spherical plain bearing body 1 rotates, the inner ring of the spherical plain bearing body 1 can extrude the flexible sealing gasket 5, and the position of the telescopic rod 3 is adjusted through the flexible sealing gasket 5, and as the telescopic rod 3 can be contracted;

the flexible sealing gasket 5 slides in the dustproof sealing ring 2 and compresses the spring 4, and the elastic force of the spring 4 exerts a reaction force on the flexible sealing gasket 5, so that the flexible sealing gasket 5 is in contact with the inner ring of the joint bearing body 1 more tightly, and a closed environment can be formed between the outer ring of the joint bearing body 1 and the inner ring of the joint bearing body 1 so as to seal the joint bearing body 1;

then, the lubricating oil is led into the diversion hole 9 through the diversion trench 8, and is led into the oil storage tank 10 through the diversion hole 9 so as to be stored, and when the joint bearing body 1 is used, the lubricating oil absorbed in the oil storage tank 10 is uniformly smeared in the joint bearing body 1 through the plurality of diversion holes 11, so that the joint bearing body 1 is lubricated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a joint bearing that leakproofness is good, includes joint bearing body (1), its characterized in that: one side of joint bearing body (1) is provided with dustproof sealing washer (2), a plurality of telescopic link (3) of fixedly connected with in dustproof sealing washer (2), the one end fixedly connected with flexible sealing pad (5) of telescopic link (3), spring (4) have been cup jointed in the outside of telescopic link (3), dustproof sealing washer (2) have a plurality of installation screw rod (7) through a plurality of screw hole (6) threaded connection.

2. The high tightness knuckle bearing of claim 1, wherein: the two ends of the spring (4) are respectively fixedly connected to the outer side of the telescopic rod (3) and the inner side of the flexible sealing gaskets (5), and the side surfaces of the flexible sealing gaskets (5) are lapped on one side of the inner ring of the joint bearing body (1).

3. The high tightness knuckle bearing of claim 1, wherein: the flexible sealing gaskets (5) are arranged in an arc shape, and the flexible sealing gaskets (5) are distributed in the dustproof sealing ring (2) at equal intervals.

4. The high tightness knuckle bearing of claim 1, wherein: the outer side of the joint bearing body (1) is provided with a drainage groove (8), a plurality of diversion holes (9) are formed in the drainage groove (8), and one end of each diversion hole (9) is communicated with the same oil storage groove (10).

5. The high tightness knuckle bearing of claim 4, wherein: one side of the oil storage tank (10) is communicated with a plurality of diversion holes (11), the diversion trench (8) is an arc trench, and the oil storage tank (10) is arranged in the knuckle bearing body (1).

6. The high tightness knuckle bearing of claim 1, wherein: the telescopic rods (3) are distributed in the dustproof sealing ring (2) at the same distance, and the positions of the threaded holes (6) and the mounting screw rods (7) are correspondingly arranged.