CN214579496U

CN214579496U - Double-eccentric pneumatic valve body sealing device

Info

Publication number: CN214579496U
Application number: CN202120671091.7U
Authority: CN
Inventors: 马玉波
Original assignee: Zhongke Kerun Tianjin Technology Co ltd
Current assignee: Zhongke Kerun Tianjin Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-02
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a two eccentric pneumatic valve body sealing device, including the leak protection pipe, one side of leak protection pipe is provided with the anti-skidding pipe, one side that the leak protection pipe was kept away from to the outside of anti-skidding pipe is provided with tight fixed ring, one side that the anti-skidding pipe was kept away from to the leak protection pipe is provided with the sealing washer, the inside of sealing washer is provided with from the catch ring, the outer wall of leak protection pipe is provided with the articulamentum, one side that the articulamentum is close to in the inside of leak protection pipe is provided with the supporting layer, one side that the supporting layer is close to in the inside of leak protection pipe is provided with the anticorrosion layer, one side that the anticorrosion layer is close to in the inside of leak protection pipe is provided with the diversion layer. This two eccentric pneumatic valve body sealing device can be through fixing the self-locking ring on hugging closely the valve inner wall through setting up the self-locking ring, utilizes the fixture block of self-locking ring to make it can't reduce the internal diameter for the edge of leak protection pipe can tightly laminate and reach the purpose that prevents that liquid from spilling, equipment leakproofness are excellent, increase life, reduction change frequency at the valve inner wall.

Description

Double-eccentric pneumatic valve body sealing device

Technical Field

The utility model relates to a two eccentric pneumatic valve body sealing device technical field specifically are two eccentric pneumatic valve body sealing device.

Background

The double-eccentric pneumatic valve is divided into two types, one type is a double-eccentric half ball valve, the eccentric valve body, the eccentric ball body and the valve seat are utilized, the valve rod automatically centers on a common track when rotating, the valve rod is closed more and more tightly in the closing process, the good sealing purpose is completely achieved, the ball body and the valve seat of the valve are completely separated, the abrasion of a sealing ring is eliminated, the problem that the sealing surface of the traditional ball body and the sealing surface of the ball body are always abraded is solved, the non-metal elastic material is embedded into the metal seat, and the metal surface of the valve seat is well protected; the other kind of double eccentric butterfly valve is mainly suitable for water drainage in water plant, power plant, steel plant smelting, chemical engineering, water source spring engineering, environment facility construction and other systems, especially for water pipeline as regulating and cut-off equipment. The valve has wide application range and various working environments, so the design of the sealing part is harsh, and the valve has sealing capability and corrosion and impact resistance in complex environments.

The prior art has the following defects or problems:

1. in the prior art, the connection between the rotating part of the valve and the sealing device is not tight, and the sealing device can be tilted and dislocated when the valve moves and fluid impacts;

2. the prior art can work under the environment of difference, can meet the great condition of difference in temperature round the clock, and the diameter's change can appear because of the rising with heat shrinkage in valve and drain pipe, causes sealed untight problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide two eccentric pneumatic valve body sealing device to solve the connector perk that proposes in the background art, with the untight problem of pipe connection.

In order to achieve the above object, the utility model provides a following technical scheme: two eccentric pneumatic valve body sealing device, its characterized in that: the anti-corrosion leakage pipe is characterized by comprising an anti-leakage pipe, wherein an anti-slip pipe is arranged on one side of the anti-leakage pipe, a fastening ring is arranged on one side, away from the anti-leakage pipe, of the outer portion of the anti-slip pipe, a sealing ring is arranged on one side, away from the anti-slip pipe, of the anti-leakage pipe, a self-locking ring is arranged inside the sealing ring, a connecting layer is arranged on the outer wall of the anti-leakage pipe, a supporting layer is arranged on one side, close to the connecting layer, of the inside of the anti-leakage pipe, an anti-corrosion layer is arranged on one side, close to the supporting layer, of the inside of the anti-leakage pipe, and a flow guide layer is arranged on one side, close to the anti-corrosion layer, of the inside of the anti-leakage pipe.

As the utility model discloses an optimized technical scheme, the leak protection pipe adopts the rubber preparation, the leak protection pipe is through moulding plastics and anti-skidding pipe fixed connection.

As the utility model discloses an optimized technical scheme, the tight circle adopts the polyethylene preparation, the tight circle is through moulding plastics and anti-skidding pipe fixed connection.

As the utility model discloses an preferred technical scheme, the sealing washer is through moulding plastics and leak protection pipe fixed connection, the self-locking ring coupling part is provided with the triangle fixture block, the self-locking ring passes through the triangle fixture block and realizes the auto-lock connection.

As the utility model discloses an preferred technical scheme, the articulamentum adopts the preparation of high density rubber, the articulamentum outside is provided with anti-skidding line, the articulamentum is through moulding plastics and supporting layer fixed connection.

As the utility model discloses an optimized technical scheme, the supporting layer adopts the polyethylene preparation, the anticorrosion layer adopts the styrene-butadiene rubber preparation, the supporting layer passes through sticky and anticorrosion layer fixed connection.

As the preferred technical scheme of the utility model, the diversion layer surface scribbles polyurethane coating, the diversion layer is through moulding plastics and anti-corrosion coating fixed connection.

Compared with the prior art, the utility model provides a two eccentric pneumatic valve body sealing device possesses following beneficial effect:

1. according to the double-eccentric pneumatic valve body sealing device, the fastening ring is arranged, the fastening ring with the triangular cross section is tightly attached to the inner wall of the liquid outlet pipe, and the sealing performance can be kept through different circumferences inside and outside when the pipe is expanded with heat and contracted with cold;

2. this double-eccentric pneumatic valve body sealing device through setting up the self-locking ring, can be through fixing the self-locking ring on hugging closely the valve inner wall, utilizes the fixture block of self-locking ring to make it can't reduce the internal diameter for the edge of leak protection pipe can tightly laminate and reach the purpose that prevents that liquid from spilling, equipment leakproofness are excellent, increase life, reduction change frequency at the valve inner wall.

Drawings

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

FIG. 2 is a schematic view of the full-section structure of the present invention;

FIG. 3 is a schematic cross-sectional structure of the present invention;

fig. 4 is a schematic view of the self-locking ring structure of the present invention.

In the figure: 1. a leakage-proof pipe; 2. an anti-slip tube; 3. a fastening ring; 4. a seal ring; 5. a self-locking ring; 6. a connecting layer; 7. a support layer; 8. an anti-corrosion layer; 9. and a flow guide layer.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: two eccentric pneumatic valve body sealing device, its characterized in that: including the leak protection pipe 1, one side of leak protection pipe 1 is provided with anti-skidding pipe 2, one side that anti-skidding pipe 1 was kept away from in the outside of anti-skidding pipe 2 is provided with tight solid ring 3, one side that anti-skidding pipe 2 was kept away from in leak protection pipe 1 is provided with sealing washer 4, the inside of sealing washer 4 is provided with from catch ring 5, the outer wall of leak protection pipe 1 is provided with articulamentum 6, one side that the inside of leak protection pipe 1 is close to articulamentum 6 is provided with supporting layer 7, one side that the inside of leak protection pipe 1 is close to supporting layer 7 is provided with anti-corrosion coating 8, one side that the inside of leak protection pipe 1 is close to anti-corrosion coating 8 is provided with water conservancy diversion layer 9.

In the embodiment, the leakage-proof pipe 1 is made of rubber, and the leakage-proof pipe 1 is fixedly connected with the anti-slip pipe 2 through injection molding, so that the design is favorable for tight connection, simple structure and lower manufacturing cost; the fastening ring 3 is made of polyethylene, and the fastening ring 3 is fixedly connected with the anti-slip pipe 2 through injection molding, so that the design is favorable for tightly attaching the fastening ring 3 with a triangular cross section to the inner wall of the liquid outlet pipe, and the tightness can be kept through different circumferences inside and outside when the pipe is expanded with heat and contracted with cold; the sealing ring 4 is fixedly connected with the leakage-proof pipe 1 through injection molding, the connecting part of the self-locking ring 5 is provided with a triangular clamping block, the self-locking ring 5 realizes self-locking connection through the triangular clamping block, and thus the design is favorable for expanding the self-locking ring 5 in a single-reverse direction and can also utilize the triangular clamping block to perform non-return no matter how much pressure is applied during use; the connecting layer 6 is made of high-density rubber, anti-skid grains are arranged outside the connecting layer 6, the connecting layer 6 is fixedly connected with the supporting layer 7 through injection molding, stable connection with the inner wall of the liquid flow pipe is facilitated, and small impact force can be resisted through the anti-skid grains; the supporting layer 7 is made of polyethylene, the anti-corrosion layer 8 is made of styrene butadiene rubber, the requirements of working in different environments can be met, and the supporting layer 7 is fixedly connected with the anti-corrosion layer 8 through gluing, so that stable connection and simple structure are facilitated; the surface of the flow guide layer 9 is coated with polyurethane coating, so that rapid flow guide work is facilitated, and the flow guide layer 9 is fixedly connected with the anti-corrosion layer 8 through injection molding, so that stable connection and compact structure are facilitated.

The utility model discloses a theory of operation and use flow: when using, will draw suitable joint at the diameter size of valve mouth from catch 5, the inside of drain pipe is filled in through the valve with anti-skidding pipe 2, make anti-leakage pipe 1 hug closely the valve, tight retainer 3 laminates the inner wall at the drain pipe, supporting layer 7 supports anti-skidding pipe 2 through the polyethylene material, make anti-skidding pipe 2 through anti-skidding line and drain pipe stable connection, can not scrape anti-leakage pipe 1 when the valve is opened and make its perk, liquid outflow valve carries out the water conservancy diversion through water conservancy diversion layer 9, when meetting drain pipe expend with heat and contract with cold, the cross-section is triangle-shaped's tight retainer 3 and keeps the leakproofness through the girth of inside and outside difference, can also resist the corruption of the corrosive substance in the liquid through anti-corrosion coating 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Two eccentric pneumatic valve body sealing device, its characterized in that: the anti-corrosion leakage pipe comprises an anti-leakage pipe (1), wherein an anti-slip pipe (2) is arranged on one side of the anti-leakage pipe (1), a clamping ring (3) is arranged on one side, away from the anti-leakage pipe (1), of the outer portion of the anti-slip pipe (2), a sealing ring (4) is arranged on one side, away from the anti-slip pipe (2), of the anti-leakage pipe (1), a self-locking ring (5) is arranged inside the sealing ring (4), a connecting layer (6) is arranged on the outer wall of the anti-leakage pipe (1), a supporting layer (7) is arranged on one side, close to the connecting layer (6), of the inner portion of the anti-leakage pipe (1), an anti-corrosion layer (8) is arranged on one side, close to the anti-corrosion layer (8), of the inner portion of the anti-leakage pipe (1) is provided with a flow guide layer (9).

2. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the anti-leakage pipe (1) is made of rubber, and the anti-leakage pipe (1) is fixedly connected with the anti-slip pipe (2) through injection molding.

3. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the fastening ring (3) is made of polyethylene, and the fastening ring (3) is fixedly connected with the anti-slip pipe (2) through injection molding.

4. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the sealing ring (4) is fixedly connected with the leakage-proof pipe (1) through injection molding, a triangular clamping block is arranged at the connecting part of the self-locking ring (5), and the self-locking ring (5) is connected in a self-locking mode through the triangular clamping block.

5. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the connecting layer (6) is made of high-density rubber, anti-skid grains are arranged outside the connecting layer (6), and the connecting layer (6) is fixedly connected with the supporting layer (7) through injection molding.

6. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the support layer (7) is made of polyethylene, the anti-corrosion layer (8) is made of styrene butadiene rubber, and the support layer (7) is fixedly connected with the anti-corrosion layer (8) through gluing.

7. The dual eccentric pneumatic valve body seal according to claim 1, wherein: the surface of the flow guide layer (9) is coated with polyurethane paint, and the flow guide layer (9) is fixedly connected with the anti-corrosion layer (8) through injection molding.