CN216589940U - Novel reciprocating oil seal - Google Patents

Abstract

The utility model relates to the technical field of reciprocating oil seals, in particular to a novel reciprocating oil seal which comprises an oil seal main body and a reciprocating body, wherein the reciprocating body is arranged on the inner wall of the oil seal main body, an installation seat is arranged at the end, far away from the reciprocating body, of the oil seal main body, a protection shell is fixedly connected to the installation seat, close to the oil seal main body, of the protection shell, the inner wall, far away from the installation seat, of the protection shell is fixedly connected with the outer wall of the reciprocating body, the diameter, close to the installation seat, of the protection shell is larger than that of the end, close to the reciprocating body, of the protection shell, a sliding groove is formed in the inner wall, close to the installation seat, of the oil seal main body, and the same sealing plate is connected to the inner wall of the sliding groove in a sliding mode. The central reinforcing layer can well support the oil seal main body, and the buffering reset layer can well support and buffer the rubber sealing layer, so that the sealing fit degree of the rubber sealing layer and the reciprocating sealing layer is improved, the sealing degree of the reciprocating body in reciprocating motion is greatly improved, and the service life of the reciprocating body is prolonged.

Description

Novel reciprocating oil seal

Technical Field

The utility model relates to the technical field of reciprocating oil seals, in particular to a novel reciprocating oil seal.

Background

No. CN207796093U is announced in the mandate, a reciprocal oil blanket, which comprises a framework, the annular mounting panel, rubber seal, the seal lip, dustproof lip and spring, the cover is equipped with rubber seal on the skeleton surface, skeleton one end lateral wall is equipped with the annular mounting panel, be equipped with a plurality of bolt holes on the annular mounting panel, annular mounting panel one side is equipped with handle skeleton internal surface and is equipped with rubber seal, the both sides that skeleton one end was kept away from to rubber seal are equipped with seal lip and dustproof lip respectively, rubber seal is equipped with the spring with the relative one side of seal lip, can make things convenient for the installation of oil blanket through set up the handle in one side of annular mounting panel, can seal the junction in skeleton and shaft hole through establishing rubber seal at the skeleton outside cover, can conveniently fix the skeleton in the shaft hole through setting up the annular mounting panel in skeleton one side.

Foretell compound oil blanket, one side both ends through at the rubber seal body set up seal lip and dust lip respectively, can be used to shelter from the dust and prevent the sealing medium stream, but, this reciprocal oil blanket, in the reality, because the restriction of its structure, lead to it can not carry out good encapsulation to shutoff mouth inner wall, and also drop easily after the encapsulation, and then the influence is used, the reciprocating body also lacks relevant supporting component simultaneously, make this reciprocating body use the snap phenomenon can take place after a period, greatly shortened life, last because the reciprocating body lacks relevant buffer unit, in using, make the rubber seal layer produce with reciprocal sealing layer junction and reveal easily, influence the use.

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel reciprocating oil seal.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a novel reciprocating oil seal, includes the oil blanket main part and the reciprocating body, the reciprocating body is arranged in oil blanket main part inner wall, the oil blanket main part is kept away from reciprocating body end and is provided with the mount pad, the mount pad is close to the fixedly connected with protecting sheathing of oil blanket main part, should the inner wall and the reciprocating body outer wall fixed connection of mount pad end are kept away from to the protecting sheathing, the diameter that the nearly mount pad end of protecting sheathing is greater than the diameter of nearly reciprocating body end, the oil blanket main part is close to mount pad side inner wall and has seted up the slip recess, should the inside sliding connection of slip recess has same closing plate.

Furthermore, the same limiting spring is arranged between the inner wall of the protective shell and the outer wall of the reciprocating body.

Furthermore, the sealing plate is provided with a return spring relative to the mounting seat side, and the end of the return spring, far away from the sealing plate, is fixedly connected with the mounting seat.

Furthermore, the reciprocating body comprises an outer rubber sealing layer, a buffering reset layer is arranged in the rubber sealing layer, a central reinforcing layer is arranged in the buffering reset layer, a bottom buffer layer is arranged in the central reinforcing layer, a cooling external member layer is arranged in the bottom buffer layer, and a reciprocating base layer is arranged in the cooling external member layer.

Furthermore, the outer wall of the protective shell is provided with a mounting sealing gasket, and the mounting sealing gasket is in contact connection with the edge of the oil seal main body.

Furthermore, the reciprocating body outer wall and the oil seal main body inner wall are also provided with a reciprocating sealing layer in a clamping mode, and the reciprocating sealing layer is fixedly connected to the oil seal main body inner wall.

Compared with the prior art, the utility model provides a novel reciprocating oil seal, which has the following beneficial effects:

this novel reciprocal oil blanket, through being provided with spacing spring, be provided with same spacing spring between protecting sheathing inner wall and the reciprocal external wall, in-service use, through arranging protecting sheathing in the inside back of shutoff mouth, protecting sheathing will receive the extrusion of shutoff mouth and carry out the pressure that produces in the looks, transmission that this pressure can be further is to spacing spring on, and make spacing spring produce certain deformation, can adapt to the shutoff mouth inner wall through this deformation, and then can make the protecting sheathing shutoff comparatively firm, long-term use is difficult for droing, strong result of use has.

The novel reciprocating oil seal is provided with the mounting sealing gasket, the outer wall of the protective shell is provided with the mounting sealing gasket, the mounting sealing gasket is in contact connection with the edge of the main body of the oil seal, the mounting sealing gasket is in contact connection with the inner wall of the packaging opening in actual use, the packaging opening can be well sealed, the anti-leakage efficiency is improved, meanwhile, the rubber sealing layer is internally provided with the buffering reset layer, the buffering reset layer is internally provided with the central reinforcing layer, the central reinforcing layer is internally provided with the bottom buffer layer, the bottom buffer layer is internally provided with the cooling external member layer, the cooling external member layer is internally provided with the reciprocating base layer, in actual use, the central reinforcing layer can well support the main body of the oil seal, and the buffering reset layer can play good supporting and buffering functions on the rubber sealing layer, so that the sealing fit degree of the rubber sealing layer and the reciprocating sealing layer is improved, and the sealing degree of the reciprocating body in reciprocating motion is greatly improved, the service life of the device is prolonged.

Drawings

Fig. 1 is a schematic overall structural diagram of a novel reciprocating oil seal provided by the utility model.

Fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a novel reciprocating oil seal according to the present invention.

In the figure: 1. an oil seal main body; 2. a reciprocating body; 3. a mounting seat; 4. a protective housing; 5. a sealing plate; 6. a limiting spring; 7. a return spring; 8. a rubber sealing layer; 9. a buffer reset layer; 10. a central reinforcing layer; 11. a bottom buffer layer; 12. cooling the jacket layer; 13. a reciprocating base layer; 14. installing a sealing gasket; 15. and (6) reciprocating the sealing layer.

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 description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel reciprocating oil seal, including oil blanket main part 1 and reciprocating body 2, reciprocating body 2 arranges the inner wall of oil blanket main part 1 in, oil blanket main part 1 is far away from reciprocating body 2 end and is provided with mount pad 3, mount pad 3 is close to oil blanket main part 1's fixedly connected with protecting sheathing 4, this protecting sheathing 4 is far away from the inner wall and the reciprocating body 2 outer wall fixed connection of mount pad 3 end, the diameter of protecting sheathing 4 nearly mount pad 3 end is greater than the diameter of nearly reciprocating body 2 end, oil blanket main part 1 is close to mount pad 3 side inner wall and has seted up the slip recess, the inside sliding connection of this slip recess has same closing plate 5.

Be provided with same spacing spring 6 between 4 inner walls of protecting sheathing and the 2 outer walls of reciprocating body, adapt to shutoff mouth inner wall through this deformation, and then can make 4 shutoff of protecting sheathing comparatively firm, use for a long time and be difficult for droing, have stronger result of use.

The sealing plate 5 is provided with a return spring 7 relative to the mounting seat 3, and the end of the return spring 7 far away from the sealing plate 5 is fixedly connected with the mounting seat 3.

Reciprocating body 2 is including outer rubber sealing layer 8, be provided with the buffering in this rubber sealing layer 8 and reset layer 9, the buffering resets and is provided with central back up coat 10 in the layer 9, be provided with bottom buffer layer 11 in the central back up coat 10, be provided with cooling external member layer 12 in the bottom buffer layer 11, be provided with reciprocal basic unit 13 in the cooling external member layer 12, utilize the buffering to reset layer 9 and can play good support and buffer function to rubber sealing layer 8, and then promote the sealed degree of agreeing with of rubber sealing layer 8 and reciprocal sealing layer 15, promote reciprocating body 2's degree of seal in reciprocating motion greatly.

The outer wall of the protective shell 4 is provided with a mounting sealing gasket 14, and the mounting sealing gasket 14 is in contact connection with the edge of the oil seal body 1.

The outer wall of the reciprocating body 2 and the inner wall of the oil seal main body 1 are also clamped with the same reciprocating sealing layer 15, and the reciprocating sealing layer 15 is fixedly connected to the inner wall of the oil seal main body 1.

When the sealing device is used, firstly, the limiting spring 6 is arranged, the same limiting spring 6 is arranged between the inner wall of the protective shell 4 and the outer wall of the reciprocating body 2, in actual use, after the protective shell 4 is arranged in the sealing opening, the protective shell 4 is extruded by the sealing opening to generate internal pressure, the pressure can be further transmitted to the limiting spring 6, the limiting spring 6 generates certain deformation, the deformation can be adapted to the inner wall of the sealing opening, the protective shell 4 can be sealed firmly, is not easy to fall off after long-term use, and has a strong using effect;

then, the outer wall of the protective casing 4 is provided with an installation sealing gasket 14, the installation sealing gasket 14 is in contact connection with the edge of the oil seal main body 1, and in practical use, the installation sealing gasket 14 is in contact connection with the inner wall of the sealing opening, so that the sealing opening can be well sealed, the anti-leakage efficiency is improved, meanwhile, the rubber sealing layer 8 is internally provided with a buffering reset layer 9, the buffering reset layer 9 is internally provided with a central reinforcing layer 10, the central reinforcing layer 10 is internally provided with a bottom buffer layer 11, the bottom buffer layer 11 is internally provided with a cooling external member layer 12, and the cooling external member layer 12 is internally provided with a reciprocating base layer 13, so that in practice, the oil seal main body 1 can be well supported by the central reinforcing layer 10, and the buffering reset layer 9 can be used for well supporting and buffering the rubber sealing layer 8, so that the sealing fit degree of the rubber sealing layer 8 and the reciprocating sealing layer 15 is improved, greatly improving the sealing degree of the reciprocating body 2 in the reciprocating motion and prolonging the service life of the reciprocating body.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel reciprocating oil seal, includes oil blanket main part (1) and reciprocating body (2), its characterized in that, reciprocating body (2) are arranged in oil blanket main part (1) inner wall, oil blanket main part (1) is kept away from reciprocating body (2) end and is provided with mount pad (3), fixedly connected with protecting sheathing (4) that mount pad (3) are close to oil blanket main part (1), should inner wall and reciprocating body (2) outer wall fixed connection that mount pad (3) end were kept away from in protecting sheathing (4), the diameter of protecting sheathing (4) nearly mount pad (3) end is greater than the diameter of nearly reciprocating body (2) end, oil blanket main part (1) is close to mount pad (3) side inner wall and has seted up the slip recess, should the inside sliding connection of slip recess has same closing plate (5).

2. A novel reciprocating oil seal as claimed in claim 1, characterized in that the same limiting spring (6) is arranged between the inner wall of the protective casing (4) and the outer wall of the reciprocating body (2).

3. The novel reciprocating oil seal as claimed in claim 1, wherein the side of the sealing plate (5) opposite to the mounting seat (3) is provided with a return spring (7), and the end of the return spring (7) far away from the sealing plate (5) is fixedly connected with the mounting seat (3).

4. The novel reciprocating oil seal as claimed in claim 1, wherein the reciprocating body (2) comprises an outer rubber sealing layer (8), a buffering reset layer (9) is arranged in the rubber sealing layer (8), a central reinforcing layer (10) is arranged in the buffering reset layer (9), a bottom buffer layer (11) is arranged in the central reinforcing layer (10), a cooling external member layer (12) is arranged in the bottom buffer layer (11), and a reciprocating base layer (13) is arranged in the cooling external member layer (12).

5. The novel reciprocating oil seal as claimed in claim 1, wherein the outer wall of the protective shell (4) is provided with a mounting sealing gasket (14), and the mounting sealing gasket (14) is in contact connection with the edge of the oil seal main body (1).

6. The novel reciprocating oil seal as claimed in claim 1, wherein the same reciprocating sealing layer (15) is clamped between the outer wall of the reciprocating body (2) and the inner wall of the oil seal main body (1), and the reciprocating sealing layer (15) is fixedly connected to the inner wall of the oil seal main body (1).

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