CN217271893U

CN217271893U - Self-tightening rubber oil seal

Info

Publication number: CN217271893U
Application number: CN202221040571.4U
Authority: CN
Inventors: 吴德斌
Original assignee: CHANGZHOU RONGHE POLYMER MATERIAL TECHNOLOGY CO LTD
Current assignee: CHANGZHOU RONGHE POLYMER MATERIAL TECHNOLOGY CO LTD
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-23
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a self-clinching rubber oil seal relates to the oil blanket field, this self-clinching rubber oil seal, include rubber body and install the inside enhancement skeleton at rubber body, rubber body includes outside terminal surface, horizontal terminal surface and inside diameter face, the bottom surface of inside diameter face is provided with the seal lip, the internally mounted of seal lip has spring mechanism, the internally mounted of the seal lip of spring mechanism top has self-clinching mechanism, install control mechanism between the outside surface of seal lip and the inside diameter face inner wall jointly. The utility model discloses a magnetism ring attracts the magnet piece to drive and removes the push pedal and remove along the movable groove to extrude the storage bag, with the leading-in inflation bag of medium from the intercommunication pipeline in the storage bag, make inflation bag inflation back extrusion from the tight reed, from the tight reed by extrusion postbending, thereby further extrude the side of seal lip, strengthen the sealing performance of seal lip, improve the seepage condition, can regard as emergent use.

Description

Self-tightening rubber oil seal

Technical Field

The utility model relates to an oil blanket technical field specifically is a self-clinching formula rubber oil blanket.

Background

Oil seals are a common name for seals in general, simply the seal of lubricating oil. It is a mechanical element for sealing grease, and can isolate the component needing lubrication from the output component, so that it can prevent the lubricating oil from leaking, and the static seal and dynamic seal (generally reciprocating motion) are called oil seal by using sealing component.

The parts of the rotating body box, which are connected with the outside and have liquid lubricating oil, need oil seals. Some are rubber, some are metallic, and most are steel-reinforced rubber. The framework oil seal is a typical representative of an oil seal, the oil seal generally refers to the framework oil seal, and the framework oil seal structure comprises three parts: the oil seal body, strengthen skeleton and self-tightening coil spring, the monomer type oil blanket generally comes to apply pressure for the lip through self-tightening spring to make lip and axis of rotation paste tightly, reach sealed effect, but what present self-tightening oil blanket adopted is that seal structure is simpler, if the oil leak needs in time to be changed, but when unable in time changing under the certain circumstances, just cause the accident easily or delay production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-clinching formula rubber oil blanket possesses sealed effectual advantage to what solve present self-clinching formula oil blanket and adopt is that seal structure is fairly simple, if the oil leak needs in time to be changed, but when unable in time changing under the certain circumstances, just causes the accident easily or delays the problem of production.

For realizing the purpose of sealed effectual, the utility model provides a following technical scheme: the utility model provides a from compact form rubber oil seal, includes rubber body and installs the inside enhancement skeleton at rubber body, rubber body includes outside end face, horizontal end face and inside diameter face, the bottom surface of inside diameter face is provided with the seal lip, the internally mounted of seal lip has spring mechanism, the internally mounted of the seal lip of spring mechanism top has from tight mechanism, install control mechanism jointly between the outside surface of seal lip and the inside diameter face inner wall.

As the utility model discloses a preferred technical scheme, spring mechanism includes the mounting groove and from the tight spring, and the mounting groove has been seted up to seal lip's inside, and the inner wall movable mounting of mounting groove has from the tight spring, and seal shell is installed to the mounting groove inner wall in the tight spring outside.

As a preferred technical scheme of the utility model, from tight mechanism including holding tank and from tight subassembly, the holding tank has been seted up to the seal lip of mounting groove top is inside, and the tight subassembly of self-tightening is installed to the inner wall of holding tank.

As the utility model discloses a preferred technical scheme, including inflation bag and self-tightening reed, the inflation bag is installed to the inner wall of holding tank from the tight subassembly, and the outside surface mounting of inflation bag has self-tightening reed, a side surface of self-tightening reed and the inner wall movable contact of holding tank.

As the utility model discloses a preferred technical scheme, control mechanism includes control assembly and coupling assembling, installs coupling assembling jointly between the outside surface of seal lip and the inside diameter face inner wall, coupling assembling's outside surface mounting has control assembly.

As a preferred technical scheme of the utility model, coupling assembling includes fixed fulcrum shaft and connection fulcrum shaft, a side surface mounting of seal lip has fixed fulcrum shaft, the movable groove has been seted up on the top surface of fixed fulcrum shaft, the storage bag is installed to the inner wall of movable groove, install the intercommunication pipeline between a side surface of storage bag side surface and inflation bag jointly, the movable groove inner wall movable mounting of storage bag opposite side surface has the removal push pedal, the top surface mounting who removes the push pedal has the magnet piece, the outside surface mounting who removes the push pedal has reset spring, reset spring's terminal surface mounting has the connection fulcrum shaft.

As a preferred technical scheme of the utility model, control assembly includes magnetic ring and spacing draw-in groove, and the embedded groove has been seted up on the bottom surface of horizontal terminal surface, and the inner wall movable mounting of embedded groove has the magnetic ring, and the spacing draw-in groove corresponding to the magnetic ring has been seted up on the outside surface of seal lip.

Compared with the prior art, the utility model provides a self-clinching formula rubber oil blanket possesses following beneficial effect:

1. this from compact form rubber oil seal fixes rubber body back, strengthens the leakproofness between seal lip and the assembly subassembly through from the tight spring, through seal shell protection from the tight spring not influenced by the medium, improves the spring life-span, in the use, if the leakage phenomenon appears in discovery oil blanket mounting structure, take off the inspection with rubber body, can take off the magnetism ring from the embedded groove, insert spacing draw-in groove in, install rubber body again.

2. This from compact form rubber oil seal, magnetism that the magnetism ring and magnet piece correspond the face and take is opposite, therefore the magnetism ring attracts the magnet piece to drive and removes the push pedal and remove along the movable slot to extrude the storage bag, with the leading-in inflation bag of medium in the storage bag from the intercommunication pipeline, make inflation bag inflation back extrusion from the tight reed, from the tight reed by extrusion after-bending, thereby further extrude the side of seal lip, strengthen the sealing performance of seal lip, improve the seepage condition, can regard as emergent use.

Drawings

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

FIG. 2 is a schematic view of the external horizontal end face structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a rubber body; 101. an outer end face; 102. a horizontal end face; 103. an inner diameter surface; 2. a sealing lip; 3. mounting grooves; 4. a self-tightening spring; 5. sealing the housing; 6. accommodating a tank; 7. an inflation bladder; 8. a self-tightening spring plate; 9. fixing a fulcrum; 10. a movable groove; 11. a storage bladder; 12. moving the push plate; 13. a magnet block; 14. a return spring; 15. connecting a fulcrum; 16. a groove is embedded; 17. a magnetic ring; 18. a limiting clamping groove; 19. reinforcing the framework; 20. is communicated with the pipeline.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a self-tightening rubber oil seal, including rubber body 1 and install at the inside enhancement skeleton 2 of rubber body 1, rubber body 1 includes outside terminal surface 101, horizontal terminal surface 102 and inside diameter face 103, and the bottom surface of inside diameter face 103 is provided with seal lip 2, and the internally mounted of seal lip 2 has spring mechanism, and the internally mounted of the seal lip 2 of spring mechanism top has self-tightening mechanism, installs control mechanism jointly between the outside surface of seal lip 2 and the inside diameter face 103 inner wall.

Specifically, spring mechanism includes mounting groove 3 and self-tightening spring 4, mounting groove 3 has been seted up to the inside of seal lip 2, the inner wall movable mounting of mounting groove 3 has self-tightening spring 4, seal housing 5 is installed from 3 inner walls in the mounting groove in the 4 outsides of self-tightening spring, fix back with rubber body 1, through self-tightening spring 4 strengthen seal lip 2 and assemble the leakproofness between the subassembly, protect self-tightening spring 4 not influenced by the medium through seal housing 5, improve spring life.

Further, from tight mechanism including holding tank 6 and from tight subassembly, holding tank 6 has been seted up to sealing lip 2 inside of 3 tops of mounting groove, from tight subassembly is installed to the inner wall of holding tank 6, from tight subassembly includes inflation bag 7 and from tight reed 8, inflation bag 7 is installed to the inner wall of holding tank 6, the outside surface mounting of inflation bag 7 has from tight reed 8, from a side surface of tight reed 8 and the inner wall movable contact of holding tank 6, from tight reed 8 by extrusion postbending, thereby further extrude sealing lip 2's side, strengthen sealing lip 2's sealing performance, improve the seepage condition, can regard as emergent use.

Further, the control mechanism comprises a control component and a connecting component, the connecting component is jointly installed between the outer side surface of the sealing lip 2 and the inner wall of the inner diameter surface 103, the control component is installed on the outer side surface of the connecting component, the connecting component comprises a fixed fulcrum 9 and a connecting fulcrum 15, the fixed fulcrum 9 is installed on one side surface of the sealing lip 2, the movable groove 10 is formed in the top end surface of the fixed fulcrum 9, the storage bag 11 is installed on the inner wall of the movable groove 10, the communicating pipeline 20 is jointly installed between one side surface of the storage bag 11 and one side surface of the expansion bag 7, the movable push plate 12 is movably installed on the inner wall of the movable groove 10 on the other side surface of the storage bag 11, the magnet block 13 is installed on the top end surface of the movable push plate 12, the reset spring 14 is installed on the outer side surface of the movable push plate 12, the connecting fulcrum 15 is installed on the tail end surface of the reset spring 14, and the magnetism of the corresponding surfaces of the magnet ring 17 and the magnet block 13 are opposite, therefore, the magnetic ring 17 attracts the magnet block 13 to drive the movable push plate 12 to move along the movable groove 10, so as to press the storage bag 11, guide the medium in the storage bag 11 into the expansion bag 7 from the communication pipeline 20, and press the self-tightening spring 8 after the expansion bag 7 is expanded.

Further, control assembly includes magnetic ring 17 and spacing draw-in groove 18, embedded groove 16 has been seted up on the bottom surface of horizontal terminal surface 102, the inner wall movable mounting of embedded groove 16 has magnetic ring 17, spacing draw-in groove 18 corresponding to magnetic ring 17 has been seted up on the outside surface of seal lip 2, in the use, if the leakage phenomenon appears in discovery oil blanket mounting structure, take off the inspection with rubber body 1, can take off magnetic ring 17 from embedded groove 16, insert in spacing draw-in groove 18, reinstall rubber body 1.

The utility model discloses a theory of operation and use flow: after the rubber body 1 is fixed, the sealing performance between the sealing lip 2 and the assembly component is enhanced through the self-tightening spring 4, the self-tightening spring 4 is protected from being influenced by media through the sealing shell 5, the service life of the spring is prolonged, in the using process, if the leakage phenomenon of an oil seal installation structure is found, the rubber body 1 is taken down for inspection, the magnetic ring 17 can be taken down from the embedded groove 16 and inserted into the limiting clamping groove 18, and the rubber body 1 is reinstalled;

the magnetism of the corresponding surface of the magnetic ring 17 and the magnet block 13 is opposite, so that the magnetic ring 17 attracts the magnet block 13 to drive the movable push plate 12 to move along the movable groove 10, the storage bag 11 is extruded, the medium in the storage bag 11 is guided into the expansion bag 7 from the communication pipeline 20, the expansion bag 7 is extruded with the self-tightening reed 8 after being expanded, and the self-tightening reed 8 is extruded and then bent, so that the side surface of the sealing lip 2 is further extruded, the sealing performance of the sealing lip 2 is enhanced, the leakage condition is improved, and the emergency use can be realized.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 from compact form rubber oil seal, includes rubber body (1) and installs at the inside reinforcing skeleton (19) of rubber body (1), its characterized in that: rubber body (1) includes outside end face (101), horizontal end face (102) and inside diameter face (103), the bottom surface of inside diameter face (103) is provided with seal lip (2), the internally mounted of seal lip (2) has spring mechanism, the internally mounted of seal lip (2) of spring mechanism top has from tight mechanism, install control mechanism jointly between the outside surface of seal lip (2) and inside diameter face (103) inner wall.

2. A self-tightening rubber oil seal according to claim 1, wherein: the spring mechanism comprises a mounting groove (3) and a self-tightening spring (4), the mounting groove (3) is formed in the sealing lip (2), the self-tightening spring (4) is movably mounted on the inner wall of the mounting groove (3), and a sealing shell (5) is mounted on the inner wall of the mounting groove (3) in the outer side of the self-tightening spring (4).

3. A self-tightening rubber oil seal according to claim 1, wherein: from tight mechanism including holding tank (6) and from tight subassembly, holding tank (6) have been seted up to seal lip (2) inside above mounting groove (3), and the inner wall of holding tank (6) is installed from tight subassembly.

4. A self-tightening rubber oil seal according to claim 3, wherein: the self-tightening assembly comprises an expansion bag (7) and a self-tightening spring (8), the expansion bag (7) is installed on the inner wall of the accommodating groove (6), the self-tightening spring (8) is installed on the surface of the outer side of the expansion bag (7), and one side surface of the self-tightening spring (8) is in movable contact with the inner wall of the accommodating groove (6).

5. A self-tightening rubber oil seal according to claim 1, wherein: control mechanism includes control assembly and coupling assembling, installs coupling assembling jointly between the outside surface of seal lip (2) and inside diameter face (103) inner wall, and coupling assembling's outside surface mounting has control assembly.

6. A self-tightening rubber oil seal according to claim 5, wherein: coupling assembling includes fixed fulcrum (9) and connects fulcrum (15), one side surface mounting of seal lip (2) has fixed fulcrum (9), movable groove (10) have been seted up to the top surface of fixed fulcrum (9), storage bag (11) are installed to the inner wall of movable groove (10), install intercommunication pipeline (20) jointly between one side surface of storage bag (11) one side surface and inflation bag (7), movable groove (10) inner wall movable mounting of storage bag (11) opposite side surface has removal push pedal (12), the top surface mounting who removes push pedal (12) has magnet piece (13), the outside surface mounting who removes push pedal (12) has reset spring (14), the terminal surface mounting of reset spring (14) has connection fulcrum (15).

7. A self-tightening rubber oil seal according to claim 5, wherein: the control assembly comprises a magnetic ring (17) and a limiting clamping groove (18), an embedded groove (16) is formed in the bottom end surface of the horizontal end face (102), the magnetic ring (17) is movably mounted on the inner wall of the embedded groove (16), and the limiting clamping groove (18) corresponding to the magnetic ring (17) is formed in the outer side surface of the sealing lip (2).