CN213982020U

CN213982020U - Stamping dust cover type rubber sealing ring

Info

Publication number: CN213982020U
Application number: CN202022155940.1U
Authority: CN
Inventors: 潘晓红; 王伟民; 邢秋收
Original assignee: Zhenjiang Sihai Bearing Co ltd
Current assignee: Zhenjiang Sihai Bearing Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-17
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to a sealing washer technical field specifically is a punching press dust cap formula rubber seal, including sealing washer skeleton, inside seal and seal cover, vertical groove has all been seted up to the up end of sealing washer skeleton and lower terminal surface, and the inside of seal cover both ends face all is provided with vertical supporting shoe, and the inside of seal cover is provided with the horizontal supporting shoe of second, and the middle part of sealing washer skeleton is formed with central through-hole, and the inside of central through-hole is provided with inside seal, and inside seal includes first horizontal supporting shoe and support arm. The utility model discloses cup jointed seal cover and inner seal circle on the sealing washer skeleton, when extrudeing the use to seal cover and inner seal circle, promote the leakproofness of sealing washer, the inside of the both ends face of seal cover is provided with vertical supporting shoe and the horizontal supporting shoe of second, hoisting device's stability, and the steel wire ring promotes the elasticity of sealing washer skeleton, prevents to lead to the sealing washer skeleton to be extruded damaged after using often to guarantee the leakproofness.

Description

Stamping dust cover type rubber sealing ring

Technical Field

The utility model relates to a rubber seal especially relates to a punching press dust cap formula rubber seal, belongs to sealing washer technical field.

Background

The rubber seal ring is an annular cover composed of one or more parts, is fixed on one ferrule or gasket of the bearing and is in contact with the other ferrule or gasket or forms a narrow labyrinth gap to prevent lubricating oil from leaking out and foreign matters from entering.

The rubber sealing ring is widely applied to sealing of internal combustion locomotives, automobiles, tractors, engineering machinery, machine tools, various hydraulic and pneumatic elements and the like, can bear sealing of fixing, reciprocating and rotating motion, accounts for more than 50% of O-shaped rubber sealing rings in sealing of mechanical products, and can be used for producing various special-purpose sealing rings and special-shaped rubber sealing products for resisting high temperature, low temperature vacuum, high pressure and different media according to requirements.

Current sealing washer is mostly rubber or plastics material and makes, at the in-process that uses because the extrusion between the part, can cause the sealing washer damaged, and then lead to lubricating oil to spill over or the outside air gets into, when the leakproofness reduces, seriously influence the life of device, conventional sealing washer does not have the skeleton, lead to the sealing washer can unlimited extrude, the sealing washer often can be damaged when pressure is great, consequently stability and leakproofness all can the reduction of different degrees, seriously influence the practicality.

Therefore, there is a need for an improved impact dust cap type rubber seal ring to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a punching press dust cap formula rubber seal has cup jointed seal cover and inner seal circle on the sealing washer skeleton, and there is the steel wire ring inside the sealing washer skeleton, can guarantee the elasticity and the toughness of sealing washer, also can promote device's leakproofness and stability, promotes the practicality of sealing washer greatly.

In order to achieve the above object, the utility model discloses a main technical scheme include:

a stamping dustproof cover type rubber sealing ring comprises a sealing ring framework, an inner sealing ring and a sealing sleeve, wherein the sealing ring framework is an I-shaped elastic supporting ring made of polyethylene, longitudinal grooves are formed in the upper end face and the lower end face of the sealing ring framework, an outer transverse groove is formed in the outer side face of the sealing ring framework, the sealing sleeve is sleeved on the outer side face of the sealing ring framework, longitudinal supporting blocks matched with the longitudinal grooves for use are fixedly arranged in the two end faces of the sealing sleeve, a second transverse supporting block matched with the outer transverse groove for use is fixedly arranged in the sealing sleeve, a central through hole is formed in the middle of the sealing ring framework, and the inner sealing ring is arranged in the central through hole;

the inner sealing ring comprises a first transverse supporting block and a supporting arm, and the first transverse supporting block is matched with the inner transverse groove for use.

Preferably, the inner sealing ring and the sealing sleeve are sealing sleeves made of HNBR (hydrogenated nitrile butadiene rubber).

Preferably, the two side faces of the sealing ring framework are fixedly provided with anti-skid grains.

Preferably, a plurality of steel wire rings which are uniformly distributed are fixedly arranged inside the sealing ring framework, and the steel wire rings are made of steel wires.

Preferably, a sealing sleeve groove is formed in the sealing sleeve, and the size of the sealing sleeve groove is matched with the height of the sealing ring framework.

Preferably, the first transverse supporting block and the supporting arm are of an integrally formed structure, and the height of the first transverse supporting block is consistent with that of the sealing sleeve.

Preferably, the seal cartridge support ring is in contact with the support arm.

Preferably, a plurality of buffer holes which are uniformly distributed are formed in the upper end face of the seal sleeve support ring.

The utility model discloses possess following beneficial effect at least:

1. the inner sealing ring and the sealing sleeve are sealing sleeves made of HNBR (hydrogenated nitrile butadiene rubber), the sealing sleeves are fixed on the outer sides of the sealing ring frameworks, the inner sealing rings are fixed at the middle parts of the sealing ring frameworks, the structure is simple, and when the sealing sleeves and the inner sealing rings are extruded for use, the sealing performance of the sealing rings is improved.

2. The inside of the both ends face of seal cover all is fixed to be provided with the vertical supporting shoe that uses with vertical groove phase cooperation, and the inside of seal cover is fixed to be provided with the second horizontal supporting shoe that uses with outer horizontal groove phase cooperation, and first horizontal supporting shoe uses with interior horizontal groove phase cooperation, prevents that seal cover and internal seal from sliding at the in-process of overstock and droing, hoisting device's stability.

3. The steel wire ring that the steel wire ring was made, two steel wire rings promote the elasticity of sealing washer skeleton, prevent to lead to the sealing washer skeleton to be extruded damaged after using often, lead to leaking gas to can't guarantee the leakproofness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a perspective view of the sealing ring framework of the present invention;

fig. 2 is a perspective view of the present invention;

fig. 3 is a perspective view of the inner seal ring of the present invention;

fig. 4 is a perspective view of the sealing sleeve of the present invention;

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

fig. 6 is a cross-sectional view of the sealing ring framework of the present invention.

In the figure, 1-a seal ring framework, 101-an outer transverse groove, 102-a longitudinal groove, 103-a central through hole, 104-an inner transverse groove, 2-an inner seal ring, 201-a first transverse supporting block, 202-a supporting arm, 3-a sealing sleeve, 301-a sealing sleeve supporting ring, 302-a longitudinal supporting block, 303-a second transverse supporting block, 304-a sealing sleeve groove, 305-a buffer hole, 4-an anti-skid line and 5-a steel wire ring.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to 6, the stamping dust-proof cover type rubber seal ring provided in this embodiment includes a seal ring framework 1, an inner seal ring 2 and a seal sleeve 3, the seal ring framework 1 is an i-shaped elastic support ring made of polyethylene, and has a simple structure, which can play a role of sealing and a role of supporting, and the sealing performance and stability of the seal ring, the upper end surface and the lower end surface of the seal ring framework 1 are both provided with longitudinal grooves 102, the outer side surface of the seal ring framework 1 is provided with outer transverse grooves 101, the outer side surface of the seal ring framework 1 is sleeved with the seal sleeve 3, the seal sleeve 3 is internally formed with a seal sleeve groove 304, the size of the seal sleeve groove 304 is adapted to the height of the seal ring framework 1, the inner parts of the two end surfaces of the seal sleeve 3 are both fixedly provided with longitudinal support blocks 302 used in cooperation with the longitudinal grooves 102, the inner part of the seal sleeve 3 is fixedly provided with a second transverse support block 303 used in cooperation with the outer transverse grooves 101, the middle part of the sealing ring framework 1 is provided with a central through hole 103, an inner sealing ring 2 is arranged inside the central through hole 103, the inner sealing ring 2 and the sealing sleeve 3 are sealing sleeves made of HNBR (hydrogenated nitrile butadiene rubber), the sealing sleeve 3 is fixed on the outer side of the sealing ring framework 1, and the inner sealing ring 2 is fixed in the middle part of the sealing ring framework 1;

interior sealing washer 2 includes first horizontal supporting shoe 201 and support arm 202, and interior transverse groove 104 has been seted up to the medial surface of sealing washer skeleton 1, and first horizontal supporting shoe 201 matches with interior transverse groove 104 and uses, prevents that interior sealing washer 2 from sliding at the in-process of backlog and droing, hoisting device's stability and leakproofness.

In the present embodiment, as shown in fig. 1, the antiskid lines 4 are fixedly provided on both side surfaces of the seal ring framework 1.

In this embodiment, as shown in fig. 6, the inside of sealing washer skeleton 1 is fixed and is provided with two evenly distributed's steel wire ring 5, and steel wire ring 5 is the steel wire ring that the steel wire was made, and two steel wire rings 5 promote the elasticity of sealing washer skeleton 1, prevent to lead to sealing washer skeleton 1 to be extrudeed damaged after the use of ordinary time, lead to leaking gas to can't guarantee the leakproofness.

In this embodiment, as shown in fig. 3, the first transverse supporting block 201 and the supporting arm 202 are an integrated structure, and the height of the supporting arm 202 is the same as the height of the sealing sleeve 3, and the sealing sleeve supporting ring 301 contacts with the supporting arm 202, so that the sealing sleeve 3 and the supporting arm 202 are in the same plane and can be simultaneously extruded, thereby preventing air leakage and improving the sealing performance of the device.

In this embodiment, as shown in fig. 2 and 4, the upper end surface of the sealing sleeve support ring 301 is provided with a plurality of buffer holes 305 which are uniformly distributed, air exists between the sealing sleeve 3 and the sealing ring framework 1 in the extrusion process, the generated air can be discharged from the buffer holes 305, and the tight engagement between the sealing sleeve 3 and the sealing ring framework 1 is ensured, so that the sealing performance of the sealing ring is effectively ensured.

As shown in fig. 1 to 6, the principle of the stamped dust-proof cover type rubber sealing ring provided by the present embodiment is as follows:

the sealing ring framework 1 is an I-shaped elastic supporting ring made of polyethylene, the structure is simple, the sealing ring framework can play a role of sealing and a role of supporting, the sealing performance and the stability of the sealing ring are improved, the upper end surface and the lower end surface of the sealing ring framework 1 are both provided with longitudinal grooves 102, the outer side surface of the sealing ring framework 1 is provided with an outer transverse groove 101, the outer side surface of the sealing ring framework 1 is sleeved with a sealing sleeve 3, a second transverse supporting block 303 matched with the outer transverse groove 101 is fixedly arranged in the sealing sleeve 3, a central through hole 103 is formed in the middle of the sealing ring framework 1, an inner sealing ring 2 is arranged in the central through hole 103, the inner sealing ring 2 and the sealing sleeve 3 are both made of HNBR (hydrogenated nitrile butadiene rubber), the sealing sleeve 3 is fixed on the outer side of the sealing ring framework 1, the inner sealing ring 2 is fixed in the middle of the sealing ring framework 1, and the structure is simple, when squeezing seal cover 3 and interior sealing washer 2 and using, promote the leakproofness of sealing washer, interior sealing washer 2 includes first horizontal supporting shoe 201 and support arm 202, and first horizontal supporting shoe 201 cooperatees with interior transverse groove 104 and uses, prevents that interior sealing washer 2 from sliding at the in-process of overstocking and droing, hoisting device's stability and leakproofness.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A stamping dustproof cover type rubber sealing ring comprises a sealing ring framework (1), an inner sealing ring (2) and a sealing sleeve (3), and is characterized in that the sealing ring framework (1) is an I-shaped elastic supporting ring made of polyethylene, longitudinal grooves (102) are formed in the upper end face and the lower end face of the sealing ring framework (1), an outer transverse groove (101) is formed in the outer side face of the sealing ring framework (1), the sealing sleeve (3) is sleeved on the outer side face of the sealing ring framework (1), longitudinal supporting blocks (302) matched with the longitudinal grooves (102) for use are fixedly arranged in the two end faces of the sealing sleeve (3), a second transverse supporting block (303) matched with the outer transverse groove (101) for use is fixedly arranged in the sealing sleeve (3), a central through hole (103) is formed in the middle of the sealing ring framework (1), an inner sealing ring (2) is arranged in the central through hole (103);

the inner sealing ring (2) comprises a first transverse supporting block (201) and a supporting arm (202), an inner transverse groove (104) is formed in the inner side face of the sealing ring framework (1), and the first transverse supporting block (201) is matched with the inner transverse groove (104) for use.

2. The stamped dust cap rubber seal according to claim 1, wherein: the inner sealing ring (2) and the sealing sleeve (3) are sealing sleeves made of HNBR (hydrogenated nitrile butadiene rubber).

3. The stamped dust cap rubber seal according to claim 1, wherein: and anti-skid grains (4) are fixedly arranged on two side surfaces of the sealing ring framework (1).

4. The stamped dust cap rubber seal according to claim 1, wherein: the sealing ring is characterized in that a plurality of steel wire rings (5) which are uniformly distributed are fixedly arranged inside the sealing ring framework (1), and the steel wire rings (5) are made of steel wires.

5. The stamped dust cap rubber seal according to claim 1, wherein: a sealing sleeve groove (304) is formed in the sealing sleeve (3), and the size of the sealing sleeve groove (304) is matched with the height of the sealing ring framework (1).

6. The stamped dust cap rubber seal according to claim 1, wherein: the first transverse supporting block (201) and the supporting arm (202) are of an integrally formed structure, and the height of the supporting arm (202) is consistent with that of the sealing sleeve (3).

7. The stamped dust cap rubber seal according to claim 1, wherein: the sealing sleeve support ring is characterized by further comprising a sealing sleeve support ring, and the sealing sleeve support ring (301) is in contact with the support arm (202).

8. The stamped dust cap rubber seal according to claim 7, wherein: the upper end face of the sealing sleeve support ring (301) is provided with a plurality of buffer holes (305) which are uniformly distributed.