CN215487775U

CN215487775U - Novel vacuumizing lining non-shelling valve

Info

Publication number: CN215487775U
Application number: CN202121837133.6U
Authority: CN
Inventors: 孟凡东
Original assignee: Shanghai Moso Valve Co ltd
Current assignee: Shanghai Moso Valve Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-11
Anticipated expiration: 2031-08-06

Abstract

The utility model provides a novel vacuumizing lining non-peeling valve which comprises a valve body and a valve core, wherein a valve cavity is arranged inside the valve body, the valve core is arranged inside the valve cavity, a lining layer is covered on the inner wall of the valve cavity, the lining layer is made of polytetrafluoroethylene, the end face of the lining layer is fixedly connected to the end face of the valve body, the end face of the valve body is provided with a groove hole, the end face of the lining layer is provided with an embedded block fixedly connected into the groove hole, and the shape of the groove hole is the same as that of the embedded block. Simple structure fixes the terminal surface of bedding and the terminal surface of valve body together, makes the valve can not produce the phenomenon of liner shelling when the evacuation operation, has promoted the stability that the valve used.

Description

Novel vacuumizing lining non-shelling valve

Technical Field

The utility model relates to the technical field of valves, in particular to a novel non-shelling valve for a vacuum-pumping lining.

Background

In a pipeline system, a valve is used for controlling the opening and closing and the flow of fluid, and the opening and closing conditions of the valve are controlled by the rotation of a valve core in the working process, so that the valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

The valve body is made of cast iron, cast steel, stainless steel, carbon steel and the like which are commonly used, the valve body is integrally formed in a casting or forging mode, polytetrafluoroethylene is lined in the valve body to adapt to the washing of fluid, the thickness of the polytetrafluoroethylene is very thin, however, the valve body can cause the phenomenon of polytetrafluoroethylene layer shelling in the vacuumizing process, the stability is poor, the service life of the valve is shortened, and the defects exist.

In summary, in view of the defects in the prior art, a novel valve with a vacuum-pumping lining without shell removal is particularly needed to solve the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel vacuumizing lining non-shelling valve, which overcomes the defects of the existing valve, has a simple structure and prolongs the service life of the valve.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the utility model provides a novel valve is taken off shell not to evacuation inside lining, includes valve body, case, and the inside of valve body is provided with the valve pocket, and the case sets up in the inside of valve pocket, and it has the liner layer to cover in the inner wall of valve pocket, and the material of liner layer is polytetrafluoroethylene, and the terminal surface rigid coupling of liner layer is in the terminal surface of valve body, and the slotted hole has all been seted up to the terminal surface of valve body, and the rigid coupling is seted up the embedding piece in the slotted hole to the terminal surface of liner layer, and the shape of slotted hole is the same with the shape of embedding piece.

Further, the thickness of the cushion layer is 2mm-3 mm.

Furthermore, the cross sections of the slotted hole and the embedded block are in a trapezoidal shape.

Furthermore, flanges are arranged on two end faces of the valve body, and an anti-embroidery layer is arranged on the surface of the valve body.

Furthermore, a water through cavity is formed in the valve core, the water through cavity is communicated with the valve cavity to form a flow guide channel, a valve rod is fixed on the valve core, and a handle is connected to the upper portion of the valve rod.

Furthermore, the valve core is made of hastelloy, the valve core is spherical, and the end face of the water through cavity is circular or square.

Furthermore, the depth of the slotted hole is 15mm-20 mm.

The utility model has the advantages that:

in conclusion, the valve has a simple structure, the end face of the liner layer and the end face of the valve body are fixed together, so that the phenomenon of liner shelling cannot be generated during the vacuumizing operation of the valve, the use stability of the valve is improved, the service life of the valve is further prolonged, and the valve has excellent practical performance.

Drawings

FIG. 1 is a block diagram of the present invention;

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

FIG. 3 is a cross-sectional structural view of the tip of the present invention;

fig. 4 is an internal structural view of the present invention.

100-valve body, 110-liner layer, 120-antirust layer, 130-handle, 140-valve rod, 150-valve core, 160-water through cavity, 170-slotted hole and 180-embedded block.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easy to understand, the utility model is further described with reference to the figures and the specific embodiments.

As shown in fig. 1, 2, 3, and 4, a novel vacuumized valve with a lining without peeling comprises a valve body 100 and a valve core 150, wherein a valve cavity is arranged inside the valve body 100, the valve core 150 is arranged inside the valve cavity, a lining layer 110 is coated on the inner wall of the valve cavity, the lining layer 110 is made of polytetrafluoroethylene, the end surface of the lining layer 110 is fixedly connected to the end surface of the valve body 100, the end surface of the valve body 100 is provided with a slot 170, the end surface of the lining layer 110 is provided with an embedded block 180 fixedly connected to the slot 170, and the shape of the slot 170 is the same as the shape of the embedded block 180.

In addition, the cushion layer 110 has a thickness of 2mm to 3 mm. The cross-sectional shapes of the slot 170 and the embedded block 180 are both trapezoidal, and the depth of the slot 170 is 15mm-20 mm.

Flanges are arranged on two end faces of the valve body 100, the anti-embroidery layer 120 is arranged on the surface of the valve body 100, the valve core 150 is provided with a water through cavity 160, the water through cavity 160 is communicated with the valve cavity to form a flow guide channel, a valve rod 140 is fixed on the valve core 150, and the upper part of the valve rod 140 is connected with a handle 130. The valve core is made of Hastelloy, is spherical, and has a circular or square end surface.

The valve core adopts Hastelloy, the Hastelloy has good corrosion resistance and thermal stability, and the service life of the whole valve is prolonged.

The utility model has the advantages that:

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a novel evacuation inside lining valve of not shelling, includes valve body, case, its characterized in that, and the inside of valve body is provided with the valve pocket, and the case sets up in the inside of valve pocket, and the lining layer has been covered on the inner wall of valve pocket in, and the material of lining is polytetrafluoroethylene, and the terminal surface rigid coupling of lining is in the terminal surface of valve body, and the slotted hole has all been seted up to the terminal surface of valve body, and the rigid coupling is seted up in the embedded piece in the slotted hole to the terminal surface of lining, and the shape of slotted hole is the same with the shape of embedded piece.

2. The novel evacuated liner non-shelling valve as claimed in claim 1 wherein said backing layer has a thickness of from 2mm to 3 mm.

3. The novel evacuated inner liner non-shelling valve as claimed in claim 1 wherein said slot and insert are trapezoidal in cross-sectional shape.

4. A novel vacuumizing lining non-shelling valve as claimed in claim 1, wherein flanges are provided on both end faces of the valve body, and an anti-embroidery layer is provided on the surface of the valve body.

5. The novel vacuumized valve with a lining without shelling is characterized in that a water through cavity is formed in the valve core, the water through cavity is communicated with the valve cavity to form a flow guide channel, a valve rod is fixed on the valve core, and a handle is connected to the upper portion of the valve rod.

6. The novel vacuumized lining non-shelling valve as claimed in claim 1, wherein said valve core is made of hastelloy, the valve core is spherical, and the end face of the water passage cavity is circular or square.

7. The novel evacuated inner liner non-shelling valve as claimed in claim 1 wherein said slot has a depth of 15mm to 20 mm.