CN216618534U

CN216618534U - Novel high-wear-resistance rotary oil seal

Info

Publication number: CN216618534U
Application number: CN202122932305.4U
Authority: CN
Inventors: 顾昕辉; 符晓松
Original assignee: Wuxi Songbao Rubber & Plastic Co ltd
Current assignee: Wuxi Songbao Rubber & Plastic Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-27
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of oil seals, in particular to a novel high-wear-resistance rotary oil seal which comprises a main body, wherein the inner edge of the main body is rotatably connected with a rotating ring, one end of the main body is provided with a dust lip, the other end of the main body is provided with a sealing lip, a spring groove is formed between the main body and the sealing lip, a linear spring is arranged in the spring groove, a support frame is arranged in the main body, and auxiliary structures which are uniformly distributed are arranged on the surface of the main body; through setting up auxiliary structure, can increase the frictional force of main part and junction, avoid in the use because the vibrations that equipment work produced lead to the not hard up condition of displacement of main part and junction, effectively prevented because the not hard up condition that leads to the inside damage that causes of oil leak or even external dust entering equipment of leading to of oil blanket, through setting up the swivel becket, can drive the swivel becket rotatory at rotation axis pivoted in-process, and then reduce the frictional force between rotation axis and the main part, reduce wearing and tearing.

Description

Novel high-wear-resistance rotary oil seal

Technical Field

The utility model relates to the technical field of oil seals, in particular to a novel high-abrasion-resistance rotary oil seal.

Background

An oil seal is a customary name for a sealing element, and generally refers to a sealing element that is sleeved outside a rotating shaft and seals lubricating oil to ensure the normal operation of the rotating shaft.

The in-process of current oil blanket using for a long time, because the in-process of equipment work produces vibrations, lead to the not hard up aversion of oil blanket and corresponding junction to lead to the oil blanket junction not closely to cause the oil leak or even the external dust gets into the condition that causes wearing and tearing in the rotation axis, consequently, technical personnel in the field provide a novel high wear-resisting rotatory oil blanket, in order to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a novel high-abrasion-resistance rotary oil seal to solve the problem that the oil seal is loosened and displaced due to vibration generated in the working process of equipment.

The novel high-wear-resistance rotary oil seal comprises a main body, wherein a rotating ring is rotatably connected to the inner edge of the main body, a dust-proof lip is arranged at one end of the main body, a sealing lip is arranged at the other end of the main body, a spring groove is formed between the main body and the sealing lip, a linear spring is arranged in the spring groove, a supporting frame is arranged in the main body, and auxiliary structures which are uniformly distributed are arranged on the surface of the main body.

Preferably, the auxiliary structure includes that spout and quantity are the through-hole of a plurality of, the spout is seted up on the surface of main part, and the opening part of spout and seal lip lie in same one side, the inside of spout is provided with the connecting rod, a plurality of the through-hole is evenly seted up in the outer fringe of main part and is linked together with the spout.

Preferably, one end of the connecting rod is fixedly connected with a first spring, the other end of the first spring is fixedly connected with the inner wall of the sliding groove, and the other end of the connecting rod penetrates through the sliding groove.

Preferably, one side of the connecting rod, which is far away from the axis of the main body, is fixedly connected with a lug corresponding to the through hole, and the cross section of the lug is in an isosceles trapezoid shape.

Preferably, the inside sliding connection of through-hole has the slider, the slider is kept away from the one end fixedly connected with resistance-increasing block of connecting rod, the other end of slider is provided with integrated into one piece's arch, the arch runs through the through-hole and contacts with the surface of connecting rod.

Preferably, the fixed surface of slider is connected with the stopper, the stopper and the inner wall sliding connection of through-hole, the stopper is kept away from one side fixedly connected with second spring of connecting rod, the other end of second spring and the inner wall fixed connection of through-hole.

The utility model has the beneficial effects that: through setting up auxiliary structure, can increase the frictional force of main part and junction, avoid in the use because the vibrations that equipment work produced lead to the not hard up condition of displacement of main part and junction, effectively prevented because the oil blanket is not hard up and leads to the condition that the oil leak even external dust gets into the inside damage that causes of equipment, through setting up the swivel becket, can drive the swivel becket rotatory at rotation axis pivoted in-process, and then reduce the frictional force between rotation axis and the main part, reduce wearing and tearing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional perspective view of the present invention;

FIG. 3 is a schematic view of the connection between the auxiliary structure and the main body according to the present invention;

fig. 4 is an enlarged view of a in fig. 3.

In the figure: 1. a main body; 2. a dust lip; 3. a rotating ring; 4. an auxiliary structure; 5. a support frame; 6. a sealing lip; 7. a spring slot; 8. a linear spring; 401. a chute; 402. a connecting rod; 403. a first spring; 404. a through hole; 405. a slider; 406. a second spring; 407. a resistance increasing block; 408. a protrusion; 409. a bump; 410. and a limiting block.

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.

In the specific implementation: as shown in fig. 1-4, a novel high wear-resistant rotary oil seal, including main part 1, the inner edge of main part 1 rotates and is connected with swivel ring 3, the one end of main part 1 is provided with dust lip 2, the other end of main part 1 is provided with seal lip 6, spring groove 7 has been seted up between main part 1 and the seal lip 6, the inside of spring groove 7 is provided with linear spring 8, the inside of main part 1 is provided with support frame 5, the surface of main part 1 is provided with evenly distributed's auxiliary structure 4, through setting up swivel ring 3, swivel ring 3 and rotation axis contact, when frictional force is great, swivel ring 3 rotates with the rotation axis together, thereby reduced because the great condition that leads to wearing and tearing to the fact sealed effect to descend between contact surface and the rotation axis of leading to frictional force.

As shown in fig. 2, 3 and 4, the auxiliary structure 4 includes a sliding groove 401 and a plurality of through holes 404, the sliding groove 401 is disposed on the surface of the main body 1, the opening of the sliding groove 401 and the sealing lip 6 are located on the same side, a connecting rod 402 is disposed inside the sliding groove 401, the plurality of through holes 404 are uniformly disposed on the outer edge of the main body 1 and communicated with the sliding groove 401, the connecting rod 402 can slide inside the sliding groove 401, one end of the connecting rod 402 is fixedly connected with a first spring 403, the other end of the first spring 403 is fixedly connected with the inner wall of the sliding groove 401, the first spring 403 is disposed such that when the oil seal is not installed, one end of the connecting rod 402 always penetrates through the sliding groove 401 and is located outside the sliding groove 401, the other end of the connecting rod 402 penetrates through the sliding groove 401, one side of the connecting rod 402 away from the axis of the main body 1 is fixedly connected with a bump 409 corresponding to the through hole 404, the cross-sectional shape of the bump 409 is an isosceles trapezoid, when the main body 1 is installed, the inner wall of the connection part presses one end of the connecting rod 402 outside the sliding groove 401, so that the connecting rod 402 is contracted into the sliding groove 401, and in the process, the connecting rod 402 presses the first spring 403 and drives the projection 409 to move.

As shown in fig. 2, 3 and 4, a sliding block 405 is slidably connected inside the through hole 404, one end of the sliding block 405, which is far away from the connecting rod 402, is fixedly connected with a resistance increasing block 407, the other end of the sliding block 405 is provided with an integrally formed protrusion 408, the protrusion 408 penetrates through the through hole 404 and contacts with the surface of the connecting rod 402, the sliding block 405 can slide inside the through hole 404 by moving the sliding block 405, the protrusion 408 is arranged such that when the oil seal is installed, the connecting rod 402 is pressed and contracted inside the sliding groove 401, the protrusion 408 is pushed by a protrusion 409, so that the sliding block 405 moves to the outer edge of the main body 1 along the through hole 404, the resistance increasing block 407 is driven to extend out from the inside of the through hole 404 and contact with the inner wall of the connection, the resistance increasing block 407 is a rubber member and can be pressed and deformed, so as to increase the contact area with the inner wall of the connection, and increase the friction between the main body 1 and the inner wall of the connection, effectively avoided because the vibrations that equipment during operation produced lead to the not hard up displacement's of oil blanket the condition, the fixed surface of slider 405 is connected with stopper 410, the inner wall sliding connection of stopper 410 and through-hole 404, one side fixedly connected with second spring 406 of connecting rod 402 is kept away from to stopper 410, the other end of second spring 406 and the inner wall fixed connection of through-hole 404, stopper 410 and second spring 406 set up when making not install the oil blanket, arch 408 on the slider 405 contacts with the surface of connecting rod 402 all the time, thereby can be when the installation oil blanket because the removal of lug 409 is regularly protruding 408 and then drives the inside that resistance-increasing piece 407 stretches out through-hole 404.

When the oil seal is used, the oil seal is arranged at a corresponding position, the rotating shaft penetrates through the inner edge of the main body 1, the sealing lip 6 can prevent lubricating oil from leaking from the inside, the dust-proof lip 2 is arranged to prevent external dust from entering the inside of the device and avoid abrasion of the rotating shaft caused by the dust, the rotating ring 3 can be driven to rotate in the rotating process of the rotating shaft by arranging the rotating ring 3, so that the friction force between the rotating shaft and the main body 1 is reduced, the abrasion is reduced, meanwhile, the friction force between the main body 1 and a connecting part can be increased by arranging the auxiliary structure 4, the condition that the main body 1 and the connecting part are loosened and displaced due to vibration generated by equipment in the using process is avoided, and the condition that oil leakage is caused by loosening of the oil seal and even external dust enters the inside of the equipment to cause damage is effectively prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel high abrasion rotary oil seal, includes main part (1), its characterized in that: the inner edge of main part (1) rotates and is connected with swivel becket (3), the one end of main part (1) is provided with dust lip (2), the other end of main part (1) is provided with seal lip (6), spring groove (7) have been seted up between main part (1) and seal lip (6), the inside of spring groove (7) is provided with linear spring (8), the inside of main part (1) is provided with support frame (5), the surface of main part (1) is provided with evenly distributed's auxiliary structure (4).

2. The novel high-abrasion-resistance rotary oil seal as claimed in claim 1, wherein: auxiliary structure (4) are through-hole (404) that a plurality of including spout (401) and quantity, the surface of main part (1) is seted up in spout (401), and the opening part of spout (401) is located same one side with seal lip (6), the inside of spout (401) is provided with connecting rod (402), a plurality of through-hole (404) are evenly seted up in the outer fringe of main part (1) and are linked together with spout (401).

3. The novel high-abrasion-resistance rotary oil seal as claimed in claim 2, wherein: one end of the connecting rod (402) is fixedly connected with a first spring (403), the other end of the first spring (403) is fixedly connected with the inner wall of the sliding groove (401), and the other end of the connecting rod (402) penetrates through the sliding groove (401).

4. The novel high-abrasion-resistance rotary oil seal as claimed in claim 3, wherein: one side of the connecting rod (402) far away from the axis of the main body (1) is fixedly connected with a lug (409) corresponding to the through hole (404), and the cross section of the lug (409) is in the shape of an isosceles trapezoid.

5. The novel high-abrasion-resistance rotary oil seal as claimed in claim 4, wherein: the inner part of the through hole (404) is connected with a sliding block (405) in a sliding mode, one end, far away from the connecting rod (402), of the sliding block (405) is fixedly connected with a resistance increasing block (407), the other end of the sliding block (405) is provided with a protrusion (408) which is integrally formed, and the protrusion (408) penetrates through the through hole (404) and is in contact with the surface of the connecting rod (402).

6. The novel high-abrasion-resistance rotary oil seal as claimed in claim 5, wherein: the surface fixed connection of slider (405) has stopper (410), stopper (410) and the inner wall sliding connection of through-hole (404), one side fixedly connected with second spring (406) of connecting rod (402) is kept away from in stopper (410), the other end of second spring (406) and the inner wall fixed connection of through-hole (404).