CN212055500U - Rod end joint bearing of hydraulic component - Google Patents

Abstract

The utility model discloses a rod end joint bearing of hydraulic pressure part, including casing, sphere inner circle, joint bearing main part and axostylus axostyle, the joint bearing main part includes casing and axostylus axostyle, and the inside of casing is provided with the mounting groove, the inside of mounting groove is provided with the sphere inner circle, the even coating in the outside of joint bearing main part has diamond dust wearing layer, and the even coating has the paint layer on the diamond dust wearing layer. The utility model discloses an install joint bearing main part, a housing, sphere inner circle and axostylus axostyle, be equipped with the mounting groove in the casing, the outline phase-match of mounting groove and sphere inner circle, make the sphere inner circle can place in the mounting groove, and be provided with the junk ring of moulding plastics that closely cooperates with the sphere inner circle in the mounting groove, make the sphere inner circle both can receive the limiting displacement of casing, received the limiting displacement of the junk ring of moulding plastics again, even the device receives very strong impact force also to be difficult to go out the sphere inner circle, the accident of shelling has effectively been avoided.

Description

Rod end joint bearing of hydraulic component

Technical Field

The utility model relates to a joint bearing technical field specifically is rod end joint bearing of hydraulic pressure part.

Background

The joint bearing is a spherical sliding bearing, mainly comprises an inner ring with an outer spherical surface and an outer ring with an inner spherical surface, can bear larger load, and the rod end joint bearing is a joint bearing with a rod end or arranged at the rod end, belongs to one of the joint bearings and is commonly used for hydraulic parts, but most of the existing rod end joint bearings have partial problems, specifically as follows;

1. when the existing rod end joint bearing is subjected to strong impact force, the spherical inner ring is easy to fall off, so that the whole bearing is damaged;

2. most of the existing rod end joint bearings are lubricated by injecting oil through an oil injection hole, so that the joint bearings cannot be lubricated in real time due to time and labor waste, and the working performance of the joint bearings is reduced;

3. the existing rod end joint bearing has the disadvantages of poor self structural strength and pressure resistance, easy damage and short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rod end joint bearing of hydraulic pressure part to the sphere inner circle that proposes among the solution above-mentioned background art drops easily, lubricated effect is not good and the easy problem of damaging of self.

In order to achieve the above object, the utility model provides a following technical scheme: the rod end joint bearing of the hydraulic component comprises a shell, a spherical inner ring, a joint bearing main body and a shaft rod, wherein the joint bearing main body comprises the shell and the shaft rod, a mounting groove is formed in the shell, the spherical inner ring is arranged in the mounting groove, the shaft rod is fixed at the bottom end of the shell, a first external thread is arranged on the outer side wall of the shaft rod, a cavity is formed in the shaft rod, an oil outlet grating is arranged at the top end of the cavity, a supporting groove is formed in the cavity below the oil outlet grating, a pull rod is fixed at the bottom end of the supporting groove, a bottom cover is arranged at the bottom end of the pull rod, a reinforcing layer is arranged in the side wall of the joint bearing main body, pressure resisting layers are arranged on two sides of the reinforcing layer, a carborundum wear-resistant layer is uniformly coated on the.

Preferably, an oil absorption felt is placed in the bracket, and the oil absorption felt is of a porous structure and plays a self-lubricating role.

Preferably, an injection molding lining ring is injected inside the mounting groove, and the injection molding lining ring is tightly attached to the spherical inner ring, so that the shelling accident is effectively avoided.

Preferably, a clamping groove is formed in the center of the bottom cover, a threaded hole is formed in the inner wall of the clamping groove, second external threads matched with the threaded hole are formed in the bottom end of the pull rod, the bottom cover and the bottom of the pull rod form a thread mounting and dismounting structure, and the bracket can be conveniently pulled out through the pull rod after the bottom cover is unscrewed.

Preferably, the compressive layer is symmetrically distributed about the reinforcing layer, and the longitudinal section of the compressive layer is of a semicircular arc structure, so that the compressive property is improved.

Preferably, the reinforcing ribs with triangular structures are arranged inside the reinforcing layer and distributed in a staggered manner, so that the structural strength is improved.

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

(1) this hydraulic pressure part's rod end joint bearing is through installing the joint bearing main part, a housing, sphere inner circle and axostylus axostyle, be equipped with the mounting groove in the casing, the mounting groove matches with the outline of sphere inner circle, make the sphere inner circle can place in the mounting groove, and be provided with the junk ring of moulding plastics that closely cooperates with the sphere inner circle in the mounting groove, make the sphere inner circle both can receive the limiting displacement of casing, the limiting displacement of junk ring has been moulded plastics again, even the device receives very strong impact force also to be difficult to go out the sphere inner circle, the accident of shelling has effectively been avoided.

(2) This rod end joint bearing of hydraulic pressure part is through installing the axostylus axostyle, the cavity, the pull rod, support the groove, oil absorption felt, go out oil grid and bottom, the in-process of joint bearing main part work, lubricating oil on the oil absorption felt slowly flows out through going out oil grid and lubricates joint bearing main part, the effect of lubricated joint bearing main part in real time has been realized, joint bearing main part's working property has been improved, furthermore, the bottom of pull rod is provided with the second external screw thread, bottom and the bottom threaded connection of pull rod, when oil absorption felt needs to be changed, rotatory bottom is lifted off it, the pull rod is pulled, and then take out the oil absorption felt of placing in support groove and the support groove, push back to the inside of axostylus axostyle.

(3) This rod end joint bearing of hydraulic pressure part is provided with the enhancement layer through the inside at joint bearing main part lateral wall, the crisscross strengthening rib that is provided with the triangle-shaped structure in inside of enhancement layer, be convenient for improve the structural strength of joint bearing main part self, make it be difficult to damage, the resistance to compression layer that all is provided with half-circular arc type structure in the both sides of enhancement layer simultaneously, make difficult deformation fracture when receiving external extrusion collision, furthermore, the even coating in the outside of joint bearing main part has diamond dust wearing layer, the wear resistance of the high-speed device, the even coating in the outside of diamond dust wearing layer has the paint layer, be convenient for play waterproof rust-resistant effect to the device outer wall, prolonged service life.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged cross-sectional view of the utility model at a in fig. 1;

fig. 4 is a schematic view of the sectional structure of the side wall of the joint bearing body of the present invention.

In the figure: 1. a chamber; 2. a bracket; 3. an oil outlet grid; 4. mounting grooves; 5. a housing; 6. a spherical inner ring; 7. injection molding a lining ring; 8. a joint bearing body; 9. an oil absorption felt; 10. a pull rod; 11. a shaft lever; 12. a bottom cover; 13. a first external thread; 14. a second external thread; 15. a card slot; 16. a paint layer; 17. a carborundum wear-resistant layer; 18. a pressure resistant layer; 19. a reinforcing layer; 20. and (5) reinforcing ribs.

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. 1-4, the present invention provides an embodiment: the rod end joint bearing of the hydraulic component comprises a shell 5, a spherical inner ring 6, a joint bearing main body 8 and a shaft rod 11, wherein the joint bearing main body 8 comprises the shell 5 and the shaft rod 11, a mounting groove 4 is formed in the shell 5, the spherical inner ring 6 is arranged in the mounting groove 4, an injection molding lining ring 7 is injected into the mounting groove 4, and the injection molding lining ring 7 is tightly attached to the spherical inner ring 6;

the spherical inner ring 6 can be limited by the shell 5 and the injection lining ring 7, so that the spherical inner ring 6 is difficult to punch out even if the device is subjected to strong impact force, and the shelling accident is effectively avoided;

a shaft lever 11 is fixed at the bottom end of the shell 5, a first external thread 13 is arranged on the outer side wall of the shaft lever 11, a cavity 1 is arranged inside the shaft lever 11, an oil outlet grating 3 is arranged at the top end inside the cavity 1, a bracket 2 is arranged in the cavity 1 below the oil outlet grating 3, an oil absorption felt 9 is placed inside the bracket 2, and the oil absorption felt 9 is of a porous structure;

in the working process of the joint bearing main body 8, lubricating oil on the oil absorption felt 9 slowly flows out through the oil outlet grid 3 to lubricate the joint bearing main body 8, so that the working performance of the joint bearing main body 8 is improved;

a pull rod 10 is fixed at the bottom end of the bracket 2, a bottom cover 12 is arranged at the bottom end of the pull rod 10, a clamping groove 15 is arranged at the central position of the bottom cover 12, a threaded hole is formed in the inner wall of the clamping groove 15, a second external thread 14 matched with the threaded hole is arranged at the bottom end of the pull rod 10, and the bottom cover 12 and the bottom of the pull rod 10 form a thread mounting and dismounting structure;

when the oil absorption felt 9 needs to be replaced, the bottom cover 12 is rotated to be detached, the pull rod 10 is pulled, the bracket 2 and the oil absorption felt 9 placed in the bracket 2 are pulled out, and the oil absorption felt is pushed back to the inside of the shaft rod 11 after being replaced, so that the oil absorption felt is convenient and quick;

a reinforcing layer 19 is arranged inside the side wall of the joint bearing main body 8, reinforcing ribs 20 of a triangular structure are arranged inside the reinforcing layer 19, the reinforcing ribs 20 are distributed in a staggered manner, compression resistant layers 18 are arranged on two sides of the reinforcing layer 19, the compression resistant layers 18 are symmetrically distributed relative to the reinforcing layer 19, and the longitudinal sections of the compression resistant layers 18 are in semi-circular structures;

the self structural strength and the compressive property of the joint bearing main body 8 are improved conveniently, and the joint bearing is not easy to deform and break when being extruded and collided by the outside, so that the joint bearing is not easy to damage;

the outer side of joint bearing main part 8 evenly coats and has diamond dust wearing layer 17, and evenly coats on the diamond dust wearing layer 17 and has paint layer 16, improves the wear resistance of device, is convenient for simultaneously play waterproof rust-resistant effect of corroding to the device outer wall, increase of service life.

The working principle is as follows: when in use, the joint bearing main body 8 consists of a shell 5 and a spherical inner ring 6, the shell 5 is internally provided with a mounting groove 4, the mounting groove 4 is matched with the outer contour of the spherical inner ring 6, so that the spherical inner ring 6 can be placed in the mounting groove 4, the mounting groove 4 is internally provided with an injection lining ring 7 which is tightly matched with the spherical inner ring 6, so that the spherical inner ring 6 can be limited by the shell 5 and the injection lining ring 7, the spherical inner ring 6 is difficult to flush out even if the device is subjected to strong impact force, the shelling accident is effectively avoided, in the working process of the joint bearing main body 8, lubricating oil on the oil absorption felt 9 slowly flows out through the oil outlet grid 3 to lubricate the joint bearing main body 8, the working performance of the joint bearing main body 8 is improved, in addition, when the oil absorption felt 9 needs to be replaced, the bottom cover 12 is rotated to be detached, the pull, and then take out the oil absorption felt 9 of placing in bracket 2 and the bracket 2, push back the inside of axostylus axostyle 11 after the change, convenient and fast, simultaneously be provided with enhancement layer 19 and resistance to compression layer 18 in the inside of joint bearing main part 8 lateral wall, be convenient for improve the structural strength and the compressive property of joint bearing main part 8 self, be difficult to the fracture of warping when receiving external extrusion collision, make it be difficult to damage, in addition, the even coating in the outside of joint bearing main part 8 has carborundum wearing layer 17, the wear resistance of the high-speed device, the even coating in the outside of carborundum wearing layer 17 has paint layer 16, be convenient for play waterproof rust-resistant effect to the device outer wall, and service life is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Hydraulic pressure part's rod end joint bearing, including casing (5), sphere inner circle (6), joint bearing main part (8) and axostylus axostyle (11), its characterized in that: the joint bearing main body (8) comprises a shell (5) and a shaft rod (11), a mounting groove (4) is arranged in the shell (5), a spherical inner ring (6) is arranged in the mounting groove (4), the shaft rod (11) is fixed at the bottom end of the shell (5), a first external thread (13) is arranged on the outer side wall of the shaft rod (11), a cavity (1) is arranged in the shaft rod (11), an oil outlet grating (3) is arranged at the top end of the interior of the cavity (1), a bracket (2) is arranged in the cavity (1) below the oil outlet grating (3), a pull rod (10) is fixed at the bottom end of the bracket (2), a bottom cover (12) is arranged at the bottom end of the pull rod (10), a reinforcing layer (19) is arranged in the side wall of the joint bearing main body (8), and pressure resisting layers (18) are arranged on two sides of the reinforcing layer, the outer side of the joint bearing main body (8) is uniformly coated with a carborundum wear-resistant layer (17), and the carborundum wear-resistant layer (17) is uniformly coated with a paint layer (16).

2. The rod end knuckle bearing of a hydraulic component of claim 1, wherein: an oil absorption felt (9) is placed in the bracket (2), and the oil absorption felt (9) is of a porous structure.

3. The rod end knuckle bearing of a hydraulic component of claim 1, wherein: an injection molding lining ring (7) is injected inside the mounting groove (4), and the injection molding lining ring (7) is tightly attached to the spherical inner ring (6).

4. The rod end knuckle bearing of a hydraulic component of claim 1, wherein: the middle position of the bottom cover (12) is provided with a clamping groove (15), the inner wall of the clamping groove (15) is provided with a threaded hole, the bottom end of the pull rod (10) is provided with a second external thread (14) matched with the threaded hole, and the bottom cover (12) and the bottom of the pull rod (10) form a thread mounting and dismounting structure.

5. The rod end knuckle bearing of a hydraulic component of claim 1, wherein: the compression-resistant layers (18) are symmetrically distributed relative to the reinforcing layer (19), and the longitudinal sections of the compression-resistant layers (18) are of semicircular structures.

6. The rod end knuckle bearing of a hydraulic component of claim 1, wherein: reinforcing ribs (20) of a triangular structure are arranged inside the reinforcing layer (19), and the reinforcing ribs (20) are distributed in a staggered mode.

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