CN216843110U

CN216843110U - Dustproof oil seal

Info

Publication number: CN216843110U
Application number: CN202220337340.3U
Authority: CN
Inventors: 廖俊芳
Original assignee: Chengdu Aidi Electric Power Equipment Co ltd
Current assignee: Chengdu Aidi Electric Power Equipment Co ltd
Priority date: 2022-02-20
Filing date: 2022-02-20
Publication date: 2022-06-28
Anticipated expiration: 2032-02-20

Abstract

The utility model discloses a dustproof oil seal, which belongs to the technical field of oil sealing devices and comprises an oil seal shell, wherein a rubber oil seal part is detachably connected in the oil seal shell, one end of the oil seal shell is fixedly connected with an annular seat, one end of the rubber oil seal part is fixedly connected with a rubber sealing gasket, the rubber sealing gasket corresponds to the annular seat, and a first sealing component and a second sealing component are arranged between the oil seal shell and the rubber oil seal part; the utility model discloses in, compress tightly sealed pad of rubber and annular seat through first seal assembly, realize that the one-level between oil-sealed shell and the rubber oil seal spare is sealed, second seal assembly carries out the second grade in the inside of oil-sealed shell simultaneously and seals, make rubber oil seal spare further sealed in the oil-sealed shell, the one-level is sealed and the sealed extruded mode that adopts of second grade, realize double-deck sealed, avoid producing the gap between oil-sealed shell and the rubber oil seal spare, thereby effectual improvement seals the effect, avoid impurity entering and the leakage of liquid.

Description

Dustproof oil seal

Technical Field

The utility model relates to an oil blanket technical field, more specifically say, relate to a dustproof oil blanket.

Background

The oil seal is a mechanical element for sealing oil, and separates a part needing lubrication in a transmission part from a force-applying part, so that the lubricating oil is prevented from leaking. The sealing elements for static sealing and dynamic sealing are called sealing elements.

At present, the oil blanket is usually by the combination of metal product and rubber, and rubber seal installs in metal casing's inside to prevent impurity entering and liquid leakage, present most dustproof oil blanket utilizes rubber seal's elasticity to install in metal product usually, only relies on rubber seal's elasticity installation, leads to easily producing certain gap between rubber seal and the metal casing, influences sealed effect.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a dustproof oil blanket aims at solving the above-mentioned problem that exists among the prior art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a dustproof oil seal, includes the oil seal shell, can dismantle in the oil seal shell and be connected with rubber oil seal spare, the annular seat of one end fixedly connected with of oil seal shell, the sealed pad of one end fixedly connected with rubber of rubber oil seal spare, the sealed pad of rubber corresponds with annular seat, be provided with first seal assembly and second seal assembly between oil seal shell and the rubber oil seal spare, first seal assembly and second seal assembly are used for the dustproof sealing between oil seal shell and the rubber oil seal spare.

As an optimized scheme of the utility model, first seal assembly includes pressing blade, first sealed compression groove and first sealed compression ring, pressing blade fixed connection keeps away from the one end of rubber oil seal spare in rubber seal pad, first sealed compression groove is dug on annular seat, first sealed compression ring fixed connection is close to the one end of annular seat in rubber seal pad, and first sealed compression ring matches with first sealed compression groove.

As an optimized scheme of the utility model, the second seal assembly includes spacing arch, the sealed compression groove of second, the sealed compression ring of second and compresses tightly the cover, spacing protruding fixed connection is in the internal surface of oil-sealed shell, the sealed compression groove of second is dug on spacing arch, the sealed compression ring fixed connection of second is in the surface of rubber oil seal, and the sealed compression ring of second matches with the sealed compression groove of second, it is connected in the sealed one end of rubber to compress tightly cover fixed connection, and it is corresponding with the sealed compression ring of second to compress tightly the outside that the cover is located rubber oil seal.

As an optimized scheme of the utility model, threaded connection has a plurality of bolts between annular seat and the pressing blade, and a plurality of bolts run through rubber packing pad.

As an optimized proposal of the utility model, the inner surface of the rubber oil seal piece is fixedly connected with a sealing lip.

As a preferable aspect of the present invention, the outer surface of the oil enclosure is engraved with anti-slip lines.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses in, through installing rubber oil seal piece in the oil seal body, make rubber seal pad and annular seat correspond, then compress tightly rubber seal pad and annular seat through first seal assembly, realize that the one-level between oil seal body and the rubber oil seal piece is sealed, the second seal assembly carries out the second grade in the inside of oil seal body simultaneously and seals, make rubber oil seal further seal in the oil seal body, the one-level is sealed and the sealed extruded mode that adopts of second grade, realize double-deck sealed, avoid producing the gap between oil seal body and the rubber oil seal piece, thereby effectively improve sealed effect, avoid impurity entering and liquid leakage.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of an oil enclosure according to the present invention;

FIG. 4 is a perspective view of the rubber oil seal of the present invention;

fig. 5 is a cross-sectional view of the present invention.

The reference numbers in the figures illustrate:

1. an oil-sealed enclosure; 2. a rubber oil seal; 3. an annular seat; 4. a rubber gasket; 5. a compression sheet; 6. a first seal compression groove; 7. a first seal compression ring; 8. a limiting bulge; 9. a second sealed compression tank; 10. a second seal compression ring; 11. a compression sleeve; 12. a bolt; 13. and (7) sealing the lip.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a dustproof oil seal comprises an oil seal body 1, a rubber oil seal member 2 is detachably connected in the oil seal body 1, an annular seat 3 is fixedly connected to one end of the oil seal body 1, a rubber sealing gasket 4 is fixedly connected to one end of the rubber oil seal member 2, the rubber sealing gasket 4 corresponds to the annular seat 3, a first sealing assembly and a second sealing assembly are arranged between the oil seal body 1 and the rubber oil seal member 2, and the first sealing assembly and the second sealing assembly are used for dustproof sealing between the oil seal body 1 and the rubber oil seal member 2.

In this embodiment, through installing rubber oil seal 2 in oil seal shell 1, make rubber seal 4 and annular seat 3 correspond, then compress tightly rubber seal 4 and annular seat 3 through first seal assembly, realize the one-level between oil seal shell 1 and the rubber oil seal 2 sealed, second seal assembly carries out the second grade in the inside of oil seal shell 1 simultaneously and seals, make rubber oil seal 2 further sealed in oil seal shell 1, the one-level is sealed and the sealed extruded mode that adopts of second grade, can effectual improvement sealed effect, avoid impurity entering and the leakage of liquid.

Specifically, first seal assembly includes holding-down strip 5, first sealed compression groove 6 and first sealed compression ring 7, and holding-down strip 5 fixed connection keeps away from the one end of rubber oil seal 2 in rubber seal 4, and first sealed compression groove 6 cuts on annular seat 3, and first sealed compression ring 7 fixed connection is close to the one end of annular seat 3 in rubber seal 4, and first sealed compression ring 7 and first sealed compression groove 6 phase-match.

In this embodiment, after rubber seal 4 and annular seat 3 correspond, extrude rubber seal 4 through compressing tightly 5, rubber seal 4 makes first sealed compression ring 7 extruded in first sealed compression groove 6, first sealed compression ring 7 through with the cooperation of first sealed compression groove 6, make between rubber seal 4 and the annular seat 3 zonulae occludens to avoid impurity entering and liquid to leak.

Specifically, the second seal assembly includes spacing arch 8, the sealed compression groove of second 9, the sealed compression ring of second 10 and compress tightly cover 11, spacing arch 8 fixed connection is in the internal surface of oil-sealed shell 1, the sealed compression groove of second 9 cuts on spacing arch 8, the sealed compression ring of second 10 fixed connection is in the surface of rubber oil seal 2, and the sealed compression ring of second 10 and the sealed compression groove of second 9 phase-matches, compress tightly cover 11 fixed connection in the sealed one end of 4 of rubber, and it is corresponding with the sealed compression ring of second 10 to compress tightly the outside that cover 11 is located rubber oil seal 2.

In this embodiment, when the pressing sheet 5 extrudes the first sealing compression ring 7 through the rubber sealing gasket 4, the second sealing compression ring 10 is located in the second sealing compression groove 9, the rubber sealing gasket 4 extrudes the second sealing compression ring 10 in the second sealing compression groove 9 through the pressing sleeve 11, the second sealing compression ring 10 enables the rubber oil seal 2 to be sealed in the oil seal shell 1 through the second sealing compression groove 9 and the limiting protrusion 8, the sealing effect between the rubber oil seal 2 and the oil seal shell 1 is further improved, and the entering of impurities and the leakage of liquid are avoided.

Specifically, a plurality of bolts 12 are connected between the annular seat 3 and the pressing sheet 5 in a threaded manner, and the plurality of bolts 12 penetrate through the rubber gasket 4.

In this embodiment, after the pressing piece 5 presses the rubber packing 4, the pressing piece 5 and the annular seat 3 are connected by the bolts 12, so that the first seal compression ring 7 and the second seal compression ring 10 perform stable sealing between the oil seal body 1 and the rubber oil seal 2.

Specifically, a seal lip 13 is fixedly connected to the inner surface of the rubber oil seal 2.

In this embodiment, the seal lip 13 is disposed in the rubber oil seal 2, and can seal the object passing through the rubber oil seal 2, thereby achieving the dustproof and leakproof effect.

Specifically, the outer surface of the oil enclosure 1 is engraved with anti-slip threads.

In this embodiment, the anti-slip pattern increases the frictional force on the surface of the oil capsule 1, so that the oil capsule 1 can maintain good stability when being mounted.

The working principle is as follows: the rubber oil seal piece 2 is arranged in the oil seal body 1, the rubber seal gasket 4 corresponds to the annular seat 3, then the rubber seal gasket 4 is extruded through the pressing sheet 5, the rubber seal gasket 4 enables the first seal compression ring 7 to be extruded in the first seal compression groove 6, the first seal compression ring 7 is matched with the first seal compression groove 6, the rubber seal gasket 4 is tightly connected with the annular seat 3, one-stage sealing between the oil seal body 1 and the rubber oil seal piece 2 is realized, meanwhile, when the pressing sheet 5 extrudes the first seal compression ring 7 through the rubber seal gasket 4, the second seal compression ring 10 is positioned in the second seal compression groove 9, the rubber seal gasket 4 extrudes the second seal compression ring 10 in the second seal compression groove 9 through the pressing sleeve 11, the second seal compression ring 10 enables the rubber oil seal piece 2 to carry out secondary sealing in the oil seal body 1 through the second seal compression groove 9 and the limiting bulge 8, make rubber oil seal 2 further sealed in oil seal 1, the one-level is sealed and is adopted extruded mode with the second grade is sealed, can the sealed effect of effectual improvement, avoids impurity entering and the leakage of liquid.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. A dustproof oil seal comprises an oil seal shell (1), and is characterized in that: the oil seal structure is characterized in that a rubber oil seal part (2) is detachably connected in the oil seal part (1), an annular seat (3) is fixedly connected with one end of the oil seal part (1), a rubber sealing gasket (4) is fixedly connected with one end of the rubber oil seal part (2), the rubber sealing gasket (4) corresponds to the annular seat (3), a first sealing assembly and a second sealing assembly are arranged between the oil seal part (1) and the rubber oil seal part (2), and the first sealing assembly and the second sealing assembly are used for dust sealing between the oil seal part (1) and the rubber oil seal part (2).

2. A dust and oil seal as defined in claim 1, wherein: first seal assembly includes holding-down strip (5), first sealed compression groove (6) and first sealed compression ring (7), holding-down strip (5) fixed connection keeps away from the one end of rubber oil seal spare (2) in rubber packing pad (4), first sealed compression groove (6) are dug on annular seat (3), first sealed compression ring (7) fixed connection is close to the one end of annular seat (3) in rubber packing pad (4), and first sealed compression ring (7) and first sealed compression groove (6) phase-match.

3. A dust and oil seal as defined in claim 2, wherein: the second seal assembly comprises a limiting protrusion (8), a second seal compression groove (9), a second seal compression ring (10) and a compression sleeve (11), the limiting protrusion (8) is fixedly connected to the inner surface of the oil seal body (1), the second seal compression groove (9) is cut on the limiting protrusion (8), the second seal compression ring (10) is fixedly connected to the outer surface of the rubber oil seal piece (2), the second seal compression ring (10) is matched with the second seal compression groove (9), the compression sleeve (11) is fixedly connected to one end of the rubber seal pad (4), and the compression sleeve (11) is located on the outer side of the rubber oil seal piece (2) and corresponds to the second seal compression ring (10).

4. A dust and oil seal as defined in claim 3, wherein: and a plurality of bolts (12) are connected between the annular seat (3) and the pressing sheet (5) in a threaded manner, and the plurality of bolts (12) penetrate through the rubber sealing gasket (4).

5. The dust-proof oil seal according to claim 4, characterized in that: and the inner surface of the rubber oil seal piece (2) is fixedly connected with a sealing lip (13).

6. A dust and oil seal according to claim 5, wherein: the outer surface of the oil seal shell (1) is carved with anti-skid lines.