CN218718239U - Rubber seal ring with high abrasion resistance - Google Patents

Abstract

The utility model discloses a rubber seal that wearability is high relates to rubber seal technical field, installs in outer rubber department for solving current above-mentioned rubber seal locating hole, and the position department thickness that leads to rubber to be close to the locating hole is thinner, and the fracture because of wearing and tearing more easily, and rubber seal lacks the lubrication easily and accelerates ageing speed, improves the problem of wearability. The upper end and the lower end of the rubber sealing ring body are respectively and integrally provided with an upper rubber layer and a lower rubber layer; further comprising: the inner rubber sealing ring is arranged inside the rubber sealing ring body, a middle rubber sealing ring is arranged between the inner rubber sealing ring and the upper rubber layer, a first waterproof resin bonding layer is bonded on one side, close to the upper rubber layer, of the middle rubber sealing ring, the middle rubber sealing ring is bonded with the upper rubber layer through the first waterproof resin bonding layer, and a second waterproof resin bonding layer is bonded on one side, close to the inner rubber sealing ring, of the middle rubber sealing ring.

Description

Rubber seal ring with high abrasion resistance

Technical Field

The utility model relates to a rubber seal technical field specifically is a rubber seal that wearability is high.

Background

The rubber sealing ring is an annular cover consisting of one or more parts, is fixed on one ferrule or gasket of the bearing and is contacted with the other ferrule or gasket or forms a narrow labyrinth gap, and plays a role in sealing and preventing leakage;

as in application No.: CN216589947U, entitled "a stand wear and tear rubber seal" includes the sealing washer body, and the inside joint of sealing washer body has wear-resisting elastic ring, and the surface coating of sealing washer body has alumina ceramic coating, and alumina ceramic coating's outside coating has nanometer ceramic coating, and nanometer ceramic coating's outside coating has polyurethane fiber coating, and the locating hole has been seted up on the front of this sealing washer body, and the quantity of locating hole is four, and is the annular setting.

However, the rubber sealing ring positioning hole is arranged at the outer layer rubber, so that the thickness of the position, close to the positioning hole, of the rubber is thinner, the rubber is more easily broken due to abrasion, the rubber sealing ring is easy to lack lubrication, the aging speed is accelerated, and the abrasion performance is improved; therefore, the conventional requirements are not satisfied, and a rubber seal ring with high wear resistance is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber seal that wearability is high to solve the current above-mentioned rubber seal locating hole that proposes in the above-mentioned background art and install in outer rubber department, the position department thickness that leads to rubber to be close to the locating hole is thinner, and is split because of wearing and tearing more easily, and rubber seal lacks the lubrication easily and accelerate ageing speed, improves the problem of wearability.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber seal ring having high abrasion resistance, comprising: the rubber seal ring comprises a rubber seal ring body, wherein an upper rubber layer and a lower rubber layer are integrally arranged at the upper end and the lower end of the rubber seal ring body respectively;

further comprising:

interior rubber seal, it sets up the inside of rubber seal body, be provided with middle part rubber seal between interior rubber seal and the last rubber layer, middle part rubber seal bonds near one side on last rubber layer has first waterproof resin bond line, and middle part rubber seal bonds through first waterproof resin bond line and last rubber layer, middle part rubber seal bonds near one side on interior rubber seal and has second waterproof resin bond line, and middle part rubber seal passes through second waterproof resin bond line and interior rubber seal bonds.

Preferably, the outer wall of the upper rubber layer is provided with an outer rubber layer, the inner wall of the upper rubber layer is provided with an inner rubber layer, an inner channel is arranged between the outer rubber layer and the inner rubber layer, a film is bonded inside the inner channel, and a lubricant is filled inside the film.

Preferably, the outer wall of the outer rubber layer is bonded with a flexible graphite packing layer.

Preferably, the outer wall of the flexible graphite packing layer is bonded with an alumina ceramic coating.

Preferably, the outer wall of the alumina ceramic coating is bonded with a polyurethane fiber coating.

Preferably, a plurality of positioning holes are distributed on the outer wall of the middle rubber sealing ring in an annular mode.

Preferably, a rubber channel is integrally arranged between the upper rubber layer and the lower rubber layer.

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

1. the utility model discloses a divide into the rubber layer with the rubber seal body, middle part rubber seal and interior rubber seal three-layer, interior rubber seal all needs to contact the object for a long time with outside last rubber layer, and middle part rubber seal then does not need the contact object, conventional locating hole is installed in outer rubber department, it is thinner to lead to outer rubber to be close to locating hole department thickness, when the rubber seal body uses, the fracture of wearing and tearing more easily, and set up in middle part rubber seal department, then can not receive the daily frictional contact of inside and outside department rubber and the wearing and tearing problem that leads to, make the outer difficult wearing and tearing fracture of rubber seal body more, and service life is prolonged, waterproof rubber resin bond line then possesses good waterproof nature, make the three bond together, improve combination stability and fastness.

2. The rubber sealing ring is worn along with the lapse of time, wherein the key factor lies in that the rubber circle is ageing, lacks the lubrication, divide into outer rubber layer and interior rubber layer with last rubber layer, after outer rubber layer wearing and tearing, can expose the inside inner passage of department, predetermine film and the emollient of filling in the inner passage, the film can be cracked fast in use, makes inside emollient leak to the surface of rubber circle and in the subassembly clearance groove, reaches lubricated effect, makes the follow-up wearability of rubber sealing ring obtain improving.

3. The flexible graphite packing layer has the excellent characteristics of flexibility, rebound resilience, corrosion resistance, high pressure resistance, radiation resistance, heat conduction and the like, and can improve the high temperature resistance and the corrosion resistance of the rubber ring on the premise of not influencing the sealing ring.

Drawings

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

fig. 2 is a schematic view of a partial structure of the rubber seal body of the present invention;

FIG. 3 is a partial structural diagram of the upper rubber layer of the present invention;

FIG. 4 is a schematic view of the partial structure of the outer rubber layer of the present invention;

in the figure: 1. a rubber seal ring body; 2. a rubber channel; 3. an upper rubber layer; 4. a lower rubber layer; 5. a first waterproof resin adhesive layer; 6. a middle rubber sealing ring; 7. a second waterproof resin adhesive layer; 8. an inner rubber seal ring; 9. a flexible graphite packing layer; 10. an alumina ceramic coating; 11. a polyurethane fiber coating; 12. an outer rubber layer; 13. an inner channel; 14. a film; 15. an inner rubber layer; 16. and (7) positioning the holes.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a rubber seal ring having high abrasion resistance, comprising: the rubber seal ring comprises a rubber seal ring body 1, wherein an upper rubber layer 3 and a lower rubber layer 4 are respectively and integrally arranged at the upper end and the lower end of the rubber seal ring body 1;

further comprising:

the inner rubber sealing ring 8 is arranged inside the rubber sealing ring body 1, a middle rubber sealing ring 6 is arranged between the inner rubber sealing ring 8 and the upper rubber layer 3, a first waterproof resin bonding layer 5 is bonded on one side, close to the upper rubber layer 3, of the middle rubber sealing ring 6, the middle rubber sealing ring 6 is bonded with the upper rubber layer 3 through the first waterproof resin bonding layer 5, a second waterproof resin bonding layer 7 is bonded on one side, close to the inner rubber sealing ring 8, of the middle rubber sealing ring 6, and the middle rubber sealing ring 6 is bonded with the inner rubber sealing ring 8 through the second waterproof resin bonding layer 7;

through being divided into rubber layer 3 with rubber seal body 1, middle part rubber seal 6 and interior rubber seal 8 three-layer, interior rubber seal 8 all need contact the object for a long time with outside last rubber layer 3, and middle part rubber seal 6 then does not need the contact object, conventional locating hole 16 is installed in outer rubber department, it is thinner to lead to outer rubber to be close to locating hole 16 department thickness, when rubber seal body 1 uses, the fracture of wearing and tearing more easily, and the setting is in middle part rubber seal 6 department, then can not receive the wearing and tearing problem that the daily frictional contact of inside and outside department rubber leads to, make the fracture of wearing and tearing more difficult for of rubber seal body 1 outer strata, and the service life is prolonged, waterproof rubber resin bond line then possesses good waterproof nature, make the three bond together, improve combination stability and fastness.

Referring to fig. 3, an outer rubber layer 12 is disposed on an outer wall of the upper rubber layer 3, an inner rubber layer 15 is disposed on an inner wall of the upper rubber layer 3, an inner channel 13 is disposed between the outer rubber layer 12 and the inner rubber layer 15, a film 14 is adhered to an inner portion of the inner channel 13, and a lubricant is filled in the film 14, so that the rubber seal ring is worn over time, wherein the key factor is that the rubber ring is aged and lacks lubrication, the upper rubber layer 3 is divided into the outer rubber layer 12 and the inner rubber layer 15, after the outer rubber layer 12 is worn, the inner channel 13 inside is exposed, the film 14 and the filled lubricant are preset in the inner channel 13, and the film 14 is rapidly broken in use, so that the internal lubricant leaks to a gap between the surface of the rubber ring and a component, thereby achieving a lubricating effect and improving subsequent wear resistance of the rubber seal ring.

Referring to fig. 4, the outer wall of the outer rubber layer 12 is bonded with the flexible graphite packing layer 9, and the flexible graphite packing layer 9 has excellent characteristics of flexibility, resilience, corrosion resistance, high pressure resistance, radiation resistance, heat conduction and the like, and can improve the high temperature resistance and corrosion resistance of the rubber ring on the premise of not affecting the sealing ring.

Referring to fig. 4, an alumina ceramic coating 10 is adhered to the outer wall of the flexible graphite packing layer 9, and the alumina ceramic coating 10 has good wear resistance and can improve the wear resistance of the rubber ring.

Referring to fig. 4, a polyurethane fiber coating 11 is adhered to the outer wall of the alumina ceramic coating 10, and the polyurethane fiber coating 11 is used for enhancing the wear resistance of the outer part of the rubber ring.

Referring to fig. 1 and 2, a plurality of positioning holes 16 are annularly distributed on the outer wall of the middle rubber sealing ring 6, and the positioning holes 16 have an effect of positioning and combining with other components.

Referring to fig. 1, a rubber channel 2 is integrally disposed between an upper rubber layer 3 and a lower rubber layer 4, and the rubber channel 2 is used for assembly.

The working principle is as follows: when in use, the rubber sealing ring body 1 is divided into three layers of an upper rubber layer 3, a middle rubber sealing ring 6 and an inner rubber sealing ring 8, the inner rubber sealing ring 8 and the outer upper rubber layer 3 need to contact with objects for a long time, the middle rubber sealing ring 6 does not need to contact with an object, and the conventional positioning hole 16 is arranged at the outer layer rubber, so that the thickness of the outer layer rubber close to the positioning hole 16 is thinner, when the rubber sealing ring body 1 is used, the rubber sealing ring is more easily worn and broken and is arranged at the middle rubber sealing ring 6, the abrasion problem caused by daily frictional contact of rubber at the inner part and the outer part can be avoided, the outer layer of the rubber sealing ring body 1 is more difficult to abrade and break, the service life is prolonged, the waterproof rubber resin bonding layer has good waterproofness, the three are bonded together, the combination stability and the firmness are improved, the rubber sealing ring is abraded along with the lapse of time, wherein the key factors are that the rubber ring is aged and lacks lubrication, the upper rubber layer 3 is divided into an outer rubber layer 12 and an inner rubber layer 15, after outer rubber layer 12 wearing and tearing, can expose the inside interior passageway 13 of department, predetermine film 14 and the emollient of packing in the interior passageway 13, film 14 can break fast in use, make inside emollient leak to the surface of rubber circle and in the subassembly clearance groove, reach lubricated effect, make the follow-up stand wear resistance of rubber seal improve, flexible graphite packing root layer 9 possesses the compliance, the resilience, it is corrosion-resistant, high pressure resistant, resistant radiation, good characteristics such as heat conduction, can improve the high temperature resistant and the corrosion resisting property of rubber circle under the prerequisite that does not influence the sealing washer, alumina ceramic coating 10 possesses good stand wear resistance, can improve the wearability of rubber circle, polyurethane fiber coating 11 is used for strengthening the outside wearability of rubber circle.

It will be evident to those skilled in the art that the invention 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 invention 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.

Claims (7)

1. A rubber seal ring with high abrasion resistance comprises a rubber seal ring body (1), wherein an upper rubber layer (3) and a lower rubber layer (4) are respectively and integrally arranged at the upper end and the lower end of the rubber seal ring body (1);

the method is characterized in that: further comprising:

interior rubber seal (8), it sets up the inside of rubber seal body (1), be provided with middle part rubber seal (6) between interior rubber seal (8) and last rubber layer (3), middle part rubber seal (6) are close to one side bonding of last rubber layer (3) and have first waterproof resin bond line (5), and middle part rubber seal (6) bond with last rubber layer (3) through first waterproof resin bond line (5), one side bonding that middle part rubber seal (6) are close to interior rubber seal (8) has second waterproof resin bond line (7), and middle part rubber seal (6) bond with interior rubber seal (8) through second waterproof resin bond line (7).

2. The rubber seal ring with high abrasion resistance according to claim 1, wherein: an outer rubber layer (12) is arranged on the outer wall of the upper rubber layer (3), an inner rubber layer (15) is arranged on the inner wall of the upper rubber layer (3), an inner channel (13) is arranged between the outer rubber layer (12) and the inner rubber layer (15), a film (14) is bonded inside the inner channel (13), and a lubricant is filled inside the film (14).

3. The rubber seal ring with high abrasion resistance according to claim 2, wherein: the outer wall of the outer rubber layer (12) is bonded with a flexible graphite packing layer (9).

4. The rubber seal ring with high abrasion resistance according to claim 3, wherein: the outer wall of the flexible graphite packing layer (9) is bonded with an alumina ceramic coating (10).

5. The rubber seal ring with high abrasion resistance according to claim 4, wherein: and a polyurethane fiber coating (11) is bonded on the outer wall of the alumina ceramic coating (10).

6. The rubber seal ring with high abrasion resistance according to claim 1, wherein: and a plurality of positioning holes (16) are annularly distributed on the outer wall of the middle rubber sealing ring (6).

7. The rubber seal ring with high abrasion resistance according to claim 1, wherein: a rubber channel (2) is integrally arranged between the upper rubber layer (3) and the lower rubber layer (4).

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