CN212657243U

CN212657243U - Wear-resistant rotating shaft oil seal

Info

Publication number: CN212657243U
Application number: CN202021258342.0U
Authority: CN
Inventors: 吴德斌
Original assignee: Changzhou Hok Seal Material Co ltd
Current assignee: Changzhou Hok Seal Material Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-05
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a wear-resistant rotating shaft oil seal, which comprises an oil seal main body, a wear-resistant component and a connecting component, wherein the wear-resistant component is fixed on the outer wall of the bottom end of the oil seal main body; the wear-resisting assembly comprises a U-shaped groove, a first sliding groove, a first spring, a wear-resisting block and a first sliding block, the U-shaped groove is symmetrically formed in the outer wall of the bottom end of the oil seal main body, the wear-resisting block is installed on the inner wall of one side of the U-shaped groove, the first sliding blocks are fixedly welded on the outer walls of two sides of the wear-resisting block, the first sliding grooves are formed in the inner walls of two sides of the U-shaped groove corresponding to the first sliding blocks, the wear-resisting device is adopted, when the oil seal operates, the wear-resisting block is in contact with other parts, the contact with the surface of the oil seal is reduced, the wear-resisting; still adopted connecting device, at the in-process of dismantling, can conveniently dismantle the oil blanket, avoid the striking to rush out it and harm other structures, improved the result of use.

Description

Wear-resistant rotating shaft oil seal

Technical Field

The utility model belongs to the technical field of the oil blanket equipment, concretely relates to rotation axis oil blanket of wear-resisting type.

Background

Oil seals are the customary name for common seals, simply the seal of lubricating oil; the oil seal is a mechanical element used for sealing grease (oil is the most common liquid substance in a transmission system and also generally refers to the general liquid substance), and separates parts needing to be lubricated in transmission parts from output parts so as not to allow the lubricating oil to leak; the representative form of a sealing element for static sealing and dynamic sealing (generally reciprocating motion), namely an oil seal, is a TC oil seal; the double-lip oil seal is a rubber-completely-coated double-lip oil seal with a self-tightening spring, and the general oil seal is often referred to as a tc framework oil seal; one of the rotary shaft oil seals is also the rotary shaft oil seal;

the prior art has the following problems: 1. the existing rotating shaft oil seal has poor wear-resisting effect, so that an oil seal framework is easily abraded, the sealing performance of the oil seal is reduced, and lubricating oil is easily overflowed; 2. and when dismantling, often need hit the oil blanket and go out the department and hit it out, probably damage external structure like this, be unfavorable for installing next oil blanket.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a rotation axis oil blanket of wear-resisting type has wear-resisting and convenient characteristics of dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant rotating shaft oil seal comprises an oil seal main body, a wear-resistant component and a connecting component, wherein the wear-resistant component is fixed on the outer wall of the bottom end of the oil seal main body;

wear-resisting subassembly includes U-shaped groove, first spout, first spring, wear-resisting piece and first slider, the U-shaped groove has been seted up to the symmetry on the bottom outer wall of oil blanket main part, install wear-resisting piece on one side inner wall of U-shaped groove, welded fastening has first slider on the both sides outer wall of wear-resisting piece, first spout has been seted up to corresponding first slider on the both sides inner wall of U-shaped groove, welded fastening has first spring on the top inner wall of first spout, and the other end of first spring welds on the outer wall of first slider, be fixed with coupling assembling on one side inner wall of oil blanket main part.

As a preferred technical scheme of the utility model, the connecting assembly comprises a second chute, a second spring, a lifting ring, a second slider, a moving groove, a third chute, a third spring, a moving block, a third slider and a threaded ring, the lifting ring is fixedly sleeved on the inner wall of one side of the oil seal main body, the second slider is symmetrically welded and fixed on the outer wall of one side of the lifting ring, the second chute is arranged on the inner wall of one side of the oil seal main body corresponding to the second slider, the second spring is fixedly welded on the inner wall of the top end of the second chute, the other end of the second spring is welded on the outer wall of the second slider, the moving groove is arranged on the outer wall of the oil seal main body between the U-shaped grooves, the moving block is fixedly sleeved on the inner wall of one side of the moving groove, the third slider is fixedly welded on the outer wall of the top end of the moving block, the third chute is arranged on the inner wall of the top end of the, and a third spring is welded and fixed on the inner wall of one side of the third sliding groove, the other end of the third spring is welded on the outer wall of the third sliding block, and a threaded ring is welded and fixed on the outer wall of one side of the oil seal main body.

As an optimized technical scheme of the utility model, the oil blanket groove has been seted up on the top outer wall of oil blanket main part.

As an optimized technical scheme of the utility model, cup joint on one side inner wall of oil film groove and be fixed with the urgent spring.

As an optimized technical scheme of the utility model, the shape of wear-resisting piece is the arc.

As a preferred technical scheme of the utility model, the one end of movable block is connected with the contact on one side outer wall of lift ring.

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

1. the utility model adopts the wear-resistant device, when the oil seal operates, the wear-resistant block is contacted with other parts, thereby reducing the contact with the surface of the oil seal, improving the wear-resistant effect, avoiding damaging the framework of the oil seal and keeping the sealing effect;

2. the utility model discloses a connecting device, at the in-process of dismantling, can conveniently dismantle the oil blanket, avoid the striking to rush out it and harm other structures, improved the result of use.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of the wear assembly of the present invention;

FIG. 3 is a front view of the cutting structure of the present invention;

FIG. 4 is a side view of the cutting structure of the present invention;

in the figure: 1. an oil seal main body; 2. a wear assembly; 3. a connecting assembly; 4. an oil film groove; 5. a tension spring; 21. a U-shaped groove; 22. a first chute; 23. a first spring; 24. a wear-resistant block; 25. a first slider; 31. a second chute; 32. a second spring; 33. a lifting ring; 34. a second slider; 35. a moving groove; 36. a third chute; 37. a third spring; 38. a moving block; 39. a third slider; 310. a threaded ring.

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 the following technical solutions: a wear-resistant rotating shaft oil seal comprises an oil seal main body 1, a wear-resistant component 2 and a connecting component 3, wherein the wear-resistant component 2 is fixed on the outer wall of the bottom end of the oil seal main body 1; the wear-resisting component 2 comprises a U-shaped groove 21, a first sliding groove 22, a first spring 23, a wear-resisting block 24 and a first sliding block 25, the U-shaped groove 21 is symmetrically formed in the outer wall of the bottom end of the oil seal main body 1, the wear-resisting block 24 is installed on the inner wall of one side of the U-shaped groove 21, the first sliding blocks 25 are fixedly welded on the outer walls of two sides of the wear-resisting block 24, the first sliding grooves 22 are formed in the inner walls of two sides of the U-shaped groove 21 and correspond to the first sliding blocks 25, the first spring 23 is fixedly welded on the inner wall of the top end of the first sliding groove 22, the other end of the first spring 23 is welded on the outer wall of the first sliding blocks;

preferably, the connecting assembly 3 includes a second sliding groove 31, a second spring 32, a lifting ring 33, a second sliding block 34, a moving groove 35, a third sliding groove 36, a third spring 37, a moving block 38, a third sliding block 39 and a threaded ring 310, the lifting ring 33 is fixedly sleeved on the inner wall of one side of the oil seal main body 1, the second sliding block 34 is symmetrically welded and fixed on the outer wall of one side of the lifting ring 33, the second sliding groove 31 is arranged on the inner wall of one side of the oil seal main body 1 corresponding to the second sliding block 34, the second spring 32 is fixedly welded on the inner wall of the top end of the second sliding groove 31, the other end of the second spring 32 is welded on the outer wall of the second sliding block 34, the moving groove 35 is arranged on the outer wall of the oil seal main body 1 between the U-shaped grooves 21, the moving block 38 is fixedly sleeved on the inner wall of one side of the moving groove 35, the third sliding block 39 is fixedly welded on the outer wall of the top end of the moving block 38, a third spring 37 is fixedly welded on the inner wall of one side of the third chute 36, the other end of the third spring 37 is welded on the outer wall of the third sliding block 39, and a threaded ring 310 is fixedly welded on the outer wall of one side of the oil seal main body 1, so that the oil seal can be conveniently disassembled in the disassembling process, the oil seal is prevented from being punched out by collision to damage other structures, and the using effect is improved;

preferably, the outer wall of the top end of the oil seal main body 1 is provided with an oil film groove 4, so that lubricating oil can be conveniently sealed;

preferably, a pressing spring 5 is fixedly sleeved on the inner wall of one side of the oil film groove 4, so that the oil seal main body 1 is conveniently extruded and fixed;

preferably, the wear-resistant block 24 is arc-shaped, so that the wear-resistant block can be conveniently installed inside the U-shaped groove 21 and has a wear-resistant effect;

preferably, one end of the moving block 38 is in contact connection with the outer wall of one side of the lifting ring 33, so that the moving block 38 can be conveniently moved out when the lifting ring 33 is lifted, and the disassembly is convenient;

the utility model discloses well urgent spring 5 is the wide application that has disclosed and the known technique of daily life, and the theory of operation is: also called as spiral spring, plate spring, etc., is an elastic device;

the utility model discloses a theory of operation and use flow: in the using process of the utility model, the oil seal main body 1 is extruded by installation, then the wear-resistant block 24 contacts with other devices, under the action of the first spring 23, the first slide block 25 on the wear-resistant block 24 descends along the first sliding groove 22 in the U-shaped groove 21, during the operation friction, the first slide block 25 generally contacts with the wear-resistant block 24 to reduce the contact with the oil seal main body 1, the wear resistance of the oil seal main body 1 is improved, when the oil seal main body 1 is disassembled, the second slide block 34 on the lifting ring 33 is firstly lifted along the second sliding groove 31 to make the second spring 32 in a compression state, at the moment, under the action of the third spring 37, the third slide block 39 on the movable block 38 extends along the third sliding groove 36 in the moving groove 35, at the moment, the lifting ring 33 is loosened, the movable block 38 is extruded and fixed under the action of the second spring 32, then, the threaded ring 310 is unscrewed by the moving block 38, and the oil seal body 1 is removed.

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. The utility model provides a rotation axis oil blanket of wear-resisting type, includes oil blanket main part (1), wear-resisting subassembly (2) and coupling assembling (3), its characterized in that: a wear-resistant component (2) is fixed on the outer wall of the bottom end of the oil seal main body (1);

wear-resisting subassembly (2) are including U-shaped groove (21), first spout (22), first spring (23), wear-resisting piece (24) and first slider (25), U-shaped groove (21) have been seted up to the symmetry on the bottom outer wall of oil blanket main part (1), install wear-resisting piece (24) on one side inner wall of U-shaped groove (21), welded fastening has first slider (25) on the both sides outer wall of wear-resisting piece (24), first spout (22) have been seted up to corresponding first slider (25) on the both sides inner wall of U-shaped groove (21), welded fastening has first spring (23) on the top inner wall of first spout (22), and the other end of first spring (23) welds on the outer wall of first slider (25), be fixed with coupling assembling (3) on one side inner wall of oil blanket main part (1).

2. A wear resistant rotary shaft oil seal as defined in claim 1, wherein: the connecting assembly (3) comprises a second sliding groove (31), a second spring (32), a lifting ring (33), a second sliding block (34), a moving groove (35), a third sliding groove (36), a third spring (37), a moving block (38), a third sliding block (39) and a threaded ring (310), the lifting ring (33) is fixedly sleeved on the inner wall of one side of the oil seal main body (1), the second sliding blocks (34) are symmetrically welded and fixed on the outer wall of one side of the lifting ring (33), the second sliding groove (31) is formed in the inner wall of one side of the oil seal main body (1) corresponding to the second sliding block (34), the second spring (32) is welded and fixed on the inner wall of the top end of the second sliding groove (31), the other end of the second spring (32) is welded and fixed on the outer wall of the second sliding block (34), the moving groove (35) is formed in the outer wall of the oil seal main body (1) between the U-shaped grooves (21), a moving block (38) is fixedly sleeved on the inner wall of one side of the moving groove (35), a third sliding block (39) is fixedly welded on the outer wall of the top end of the moving block (38), a third sliding groove (36) is formed in the inner wall of the top end of the moving groove (35) and corresponds to the third sliding block (39), a third spring (37) is fixedly welded on the inner wall of one side of the third sliding groove (36), the other end of the third spring (37) is welded on the outer wall of the third sliding block (39), and a threaded ring (310) is fixedly welded on the outer wall of one side of the oil seal main body (1).

3. A wear resistant rotary shaft oil seal as defined in claim 1, wherein: an oil film groove (4) is formed in the outer wall of the top end of the oil seal main body (1).

4. A wear resistant rotary shaft oil seal as defined in claim 3, wherein: and a pressing spring (5) is fixedly sleeved on the inner wall of one side of the oil film groove (4).

5. A wear resistant rotary shaft oil seal as defined in claim 1, wherein: the wear-resistant block (24) is arc-shaped.

6. A wear resistant rotary shaft oil seal as defined in claim 2, wherein: one end of the moving block (38) is in contact connection with the outer wall of one side of the lifting ring (33).