CN219888515U

CN219888515U - Joint bearing structure

Info

Publication number: CN219888515U
Application number: CN202321337363.5U
Authority: CN
Inventors: 徐正
Original assignee: Wenzhou Zhilu Intelligent Technology Co ltd
Current assignee: Wenzhou Zhilu Intelligent Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-24
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to a joint bearing structure, which belongs to the technical field of mechanical transmission and comprises a bearing seat, wherein a spherical nest is formed in the inner wall of the bearing seat, a spherical joint is movably connected in the spherical nest, two symmetrically distributed drum-shaped orifices are formed in one side of the spherical nest, an oil filling port is formed in the middle of the upper surface of the bearing seat, an annular oil cavity is formed in the bearing seat, a plurality of spherical cavities are formed in the inner wall of the spherical nest in a surrounding mode, balls are movably arranged in the spherical cavities, and a plurality of oil distributing grooves are respectively communicated with the spherical cavities. The lubricating oil injection device has the beneficial effects that lubricating oil injected from the oil injection port can infiltrate into the oil distributing groove along the annular oil cavity and is introduced into the spherical cavity from the oil distributing groove, so that the internal balls are lubricated, the balls can smear the lubricating oil on the ball joints of the spherical nest, the situation of lubricating oil leakage can be effectively avoided by means of the balls to lubricate the ball joints, and the lubrication using effect of the joint bearing is ensured.

Description

Joint bearing structure

Technical Field

The utility model relates to the technical field of mechanical transmission, in particular to a knuckle bearing structure.

Background

At present, the joint bearing is mainly used in a component which is required to bear large radial load, and can transmit certain axial load, the joint bearing is generally fixed with the component in a punching or rolling mode, and if the axial load born by the joint bearing is larger than extrusion force generated by punching or rolling, the joint bearing can be separated from the component, so that the component is damaged.

Application number: 202021317644.0; the utility model discloses a joint bearing structure, which comprises a bearing seat and a ball joint, wherein the ball joint is connected with a first component, the bearing seat is connected with a second component, the ball joint is of a drum-shaped structure with two parallel sides, a through hole connected with the first component is arranged in the center of the drum-shaped structure, the bearing seat is provided with a spherical nest matched with the ball joint, two sides of the spherical nest are parallel, and the bearing seat is provided with an opening hole, one side of the bearing seat is a horizontal drum-shaped hole, the hole is matched with the ball joint, and the hole on the other side of the spherical nest is a circular hole.

After the lubricating oil is added into the lubricating groove through the oil filling nozzle in the comparison document, due to the existence of the drum-shaped orifice, the lubricating oil is easy to leak, the sealing performance of the joint bearing is poor, so that the joint bearing is easy to wear in the use process, and aiming at the situation, the joint bearing structure is provided.

Disclosure of Invention

The utility model aims to provide a joint bearing structure, which solves the problem that the joint bearing is easy to wear in the use process due to poor sealing property of the joint bearing because of the condition that the lubricating oil is easy to leak due to the existence of a drum-shaped orifice after the lubricating oil is added into a lubricating groove through an oil filling nozzle in the prior art.

The technical scheme of the utility model is as follows:

the novel spherical bearing comprises a bearing seat, a spherical nest is formed in the inner wall of the bearing seat, a spherical joint is movably connected to the inner wall of the spherical nest, two drum-shaped orifices which are symmetrically distributed are formed in one side of the spherical nest, an oil filling port is formed in the middle of the upper surface of the bearing seat, an annular oil cavity is formed in the inner wall of the bearing seat, a plurality of spherical cavities are formed in the inner wall of the spherical nest in a surrounding mode, balls are movably arranged in the spherical cavities, a plurality of oil distributing grooves are respectively communicated with the spherical cavities, and the spherical cavities, the oil distributing grooves, the oil cavities and the oil filling port are communicated.

Further, the inner wall of the drum-shaped orifice is penetrated and inserted with a sealing block, and one side of the sealing block, which is close to the outer surface of the bearing seat, is provided with a threaded hole.

Further, a sealing rubber strip is arranged on one side, close to the ball joint, of the sealing block.

Further, the outer opening size of the sealing block is matched with the inner opening size of the drum-shaped orifice.

Further, the outer opening size of the ball is matched with the inner opening size of the spherical cavity.

The utility model provides a knuckle bearing structure through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, the lubricating oil injected from the oil injection port can infiltrate into the oil distributing groove along the annular oil cavity and is introduced into the spherical cavity from the oil distributing groove, so that the internal balls can be lubricated, the balls can smear the lubricating oil on the ball joints of the spherical nest, the situation of lubricating oil leakage can be effectively avoided by means of the balls to lubricate the ball joints, and the lubrication using effect of the joint bearing is ensured.

And two,: according to the utility model, the sealing block can slide along the drum-shaped orifice after the ball joint is installed, so that the gap between the ball joint and the drum-shaped orifice is completed, and a screw can pass through the threaded hole so as to fix the sealing block on the outer surface of the bearing seat, and the sealing performance between the ball joint and the spherical socket can be further improved in the process.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic view of a bearing housing structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic diagram of the internal structure of the front view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of the seal block structure of the present utility model.

Reference numerals illustrate: 1. a bearing seat; 2. a ball joint; 3. a drum aperture; 4. a sealing block; 5. a threaded hole; 6. sealing the rubber strip; 7. an oil filling port; 8. an oil chamber; 9. an oil dividing groove; 10. a spherical cavity; 11. and (3) rolling balls.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 5, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a joint bearing structure through improvement, as shown in figures 1-4, which comprises a bearing seat 1, wherein a spherical nest is arranged on the inner wall of the bearing seat 1, a spherical joint 2 is movably connected in the spherical nest, two drum-shaped orifices 3 which are symmetrically distributed are arranged on one side of the spherical nest, an oil filling port 7 is arranged in the middle of the upper surface of the bearing seat 1, an annular oil cavity 8 is arranged in the bearing seat 1, a plurality of spherical cavities 10 are circumferentially arranged on the inner wall of the spherical nest, balls 11 are movably arranged in the spherical cavities 10, a plurality of oil distributing grooves 9 are respectively communicated with the spherical cavities 10, the oil distributing grooves 9, the oil cavities 8 and the oil filling port 7 are communicated, the spherical joint 2 can be used in a mode in the prior art, the ball bearing is inserted into the spherical nest of the bearing seat 1 in a horizontal state from the drum-shaped orifice 3 of the bearing seat 1 and enables the ball joint 2 to be in a vertical state, a plurality of spherical cavities 10 are formed in the inner wall of the spherical nest in a surrounding mode, balls 11 are rolled in the spherical cavities 10, lubricating oil injected from the oil injection port 7 can infiltrate into the oil distributing groove 9 along the annular oil cavity 8 and is led into the spherical cavities 10 from the oil distributing groove 9, so that the balls 11 in the inner part are lubricated, the balls 11 can smear the lubricating oil on the ball joint 2 of the spherical nest, the condition of leakage of the lubricating oil can be effectively avoided by means of the balls 11, and the lubricating use effect of the joint bearing is ensured.

The inner wall of the drum-shaped orifice 3 is inserted with a sealing block 4 in a penetrating way, one side of the sealing block 4 close to the outer surface of the bearing seat 1 is provided with a threaded hole 5, the sealing block 4 can slide along the drum-shaped orifice 3 after the ball joint 2 is installed, so that the gap between the ball joint 2 and the drum-shaped orifice 3 is complemented, and a screw can pass through the threaded hole 5 to fix the sealing block 4 on the outer surface of the bearing seat 1, and the sealing performance between the ball joint 2 and a spherical socket can be further improved in the process.

The sealing block 4 is provided with sealing rubber strip 6 near one side of ball joint 2, can guarantee the leakproofness between ball joint 2 and the spherical nest.

The outer opening size of the sealing block 4 is matched with the inner opening size of the drum-shaped orifice 3, so that lubricating oil can be effectively prevented from seeping outwards from the gap between the sealing block 4 and the drum-shaped orifice 3.

The outer opening size of the ball 11 is matched with the inner opening size of the spherical cavity 10, so that the sealing performance between the ball 11 and the spherical cavity 10 can be further improved, and the seepage of lubricating oil is avoided.

Working principle: firstly, the ball joint 2 can be inserted into the spherical socket of the bearing seat 1 from the drum-shaped opening 3 of the bearing seat 1 in a horizontal state according to the prior art, and the ball joint 2 is in a vertical state, and the sealing block 4 can slide along the drum-shaped opening 3 after the ball joint 2 is installed, so that the gap between the ball joint 2 and the drum-shaped opening 3 is complemented, and a screw can pass through the threaded hole 5 to fix the sealing block 4 on the outer surface of the bearing seat 1, the process can further improve the tightness between the ball joint 2 and the spherical socket, then the lubricating oil injected from the oil injection port 7 can infiltrate into the oil distributing groove 9 along the annular oil cavity 8, and is led into the spherical cavity 10 from the oil distributing groove 9, so that the internal balls 11 can lubricate the ball joint 2 of the spherical socket, the condition of lubricating oil leakage can be effectively avoided by means of the balls 11, and the lubricating use effect of the joint bearing is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A knuckle bearing structure, characterized in that: including bearing frame (1), spherical nest has been seted up to bearing frame (1) inner wall, spherical nest inside swing joint has ball joint (2), two symmetrical distribution's drum orifice (3) have been seted up to spherical nest one side, oiling mouth (7) have been seted up at bearing frame (1) upper surface middle part, annular oil pocket (8) have been seted up to bearing frame (1) inside, spherical nest inner wall has encircleed and has been seted up a plurality of spherical chamber (10), spherical chamber (10) inside activity is provided with ball (11), a plurality of spherical chamber (10) communicate respectively and have one to divide oil groove (9), spherical chamber (10), divide oil groove (9), oil pocket (8) and oiling mouth (7) are linked together.

2. A spherical plain bearing arrangement according to claim 1, wherein: the inner wall of the drum-shaped orifice (3) is inserted and connected with a sealing block (4), and one side of the sealing block (4) close to the outer surface of the bearing seat (1) is provided with a threaded hole (5).

3. A spherical plain bearing arrangement according to claim 2, wherein: and a sealing rubber strip (6) is arranged on one side of the sealing block (4) close to the ball joint (2).

4. A spherical plain bearing arrangement according to claim 2, wherein: the outer opening size of the sealing block (4) is matched with the inner opening size of the drum-shaped orifice (3).

5. A spherical plain bearing arrangement according to claim 1, wherein: the outer opening size of the ball (11) is matched with the inner opening size of the spherical cavity (10).