CN217951362U

CN217951362U - Corrosion-resistant stainless steel valve body

Info

Publication number: CN217951362U
Application number: CN202221943881.7U
Authority: CN
Inventors: 周建东; 李荣勇; 梁佳烨
Original assignee: Wuxi Xinfeng Pipe-Fittings Corp
Current assignee: Wuxi Xinfeng Pipe-Fittings Corp
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-02
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a corrosion-resistant stainless steel valve body, including the valve body siphunculus, the top center department of valve body siphunculus is fixed with the disk seat, the ring flange is all installed to the both sides of valve body siphunculus, cup joint on the ring flange and be fixed with the fixed disk, the first constant head tank of cup jointing in the ring flange outside is seted up to one side of fixed disk, the inside in first constant head tank is connected with the ring flange through first sealing washer, the second constant head tank has been seted up to the opposite side of fixed disk, the inside joint of second constant head tank is fixed with the second sealing washer, the ring flange, the fixed disk, set up corresponding locating hole around first sealing washer and the second sealing washer. The utility model discloses a first constant head tank and second constant head tank wrap up first sealing washer and second sealing washer comprehensively, avoid because of long-term the back of using, expose because of first sealing washer and second sealing washer periphery and appear damaged in the external environment, and the sealing performance who leads to descends, and then the interior air invasion of valve body that causes, and leads to valve body corrosion problem.

Description

Corrosion-resistant stainless steel valve body

Technical Field

The utility model relates to a valve body technical field specifically is a corrosion-resistant stainless steel valve body.

Background

The valve body is a main part in the valve; there are different mechanical manufacturing methods according to the pressure class. For example: casting, forging, and the like.

Chinese patent CN212338331U discloses a corrosion-resistant stainless steel valve body, including valve body siphunculus and disk seat, the top side of valve body siphunculus is provided with the disk seat lieing in vertical position department, the disk seat passes through welded fastening in the top port department of valve body siphunculus, the left side of valve body siphunculus is provided with the left flange dish, the left side is put the flange dish and is passed through welded fastening in the left end port department of valve body siphunculus, the right side of valve body siphunculus is provided with the right flange dish, the right side is put the flange dish and is put the right side end department of flange dish through welded fastening in the right-hand member port department of valve body siphunculus, the right side is put the flange dish and is put the ring flange dish on the left side 4 departments with the right side in advance when installing the pipeline, can paste packing ring protective assembly 5 in left side in advance to after packing ring protective assembly 5 laminates, will be used for the packing ring that seals places in packing ring protective assembly 5, and place the back finishing at the packing ring, with the pipeline flange bolt in the left side and put ring dish 1 and put 4 departments, come to realize the bolt joint of pipeline and fix. The gasket protection component 5 is attached and positioned with the left flange plate 1 and the right flange plate 4, and due to the fact that the internal pressure of the valve body is large, the risk of leakage is greatly increased after the gasket protection component is used for a long time. Therefore, it is necessary to design a corrosion-resistant stainless steel valve body.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a corrosion-resistant stainless steel valve body wraps up first sealing washer and second sealing washer comprehensively through first constant head tank and second constant head tank, avoids because of long-term the back of using, appears damaged in exposing in the external environment because of first sealing washer and second sealing washer periphery, and the sealing performance who leads to descends, and then the interior air intrusion of valve body that causes, and leads to valve body corrosion problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant stainless steel valve body, includes the valve body siphunculus, the top center department of valve body siphunculus is fixed with the disk seat, the ring flange is all installed to the both sides of valve body siphunculus, cup joint on the ring flange and be fixed with the fixed disk, the first constant head tank of cup jointing in the ring flange outside is seted up to one side of fixed disk, the inside in first constant head tank is connected with the ring flange through first sealing washer, the second constant head tank has been seted up to the opposite side of fixed disk, the inside joint of second constant head tank is fixed with the second sealing washer, corresponding locating hole has been seted up all around to ring flange, fixed disk, first sealing washer and second sealing washer.

Preferably, the inner walls of the first sealing ring and the second sealing ring are fixed with limiting bulges all around, and the fixed disk is provided with limiting grooves mutually buckled with the limiting bulges.

Preferably, the valve body through pipe, the valve seat and the flange plate are integrally cast and molded.

Preferably, the valve body through pipe, the valve seat and the flange plate are all stainless steel material components.

Preferably, the valve seat is vertically disposed at ninety degrees with respect to the valve body through-tube.

The utility model has the advantages that:

1. the first sealing ring and the second sealing ring are completely wrapped through the first positioning groove and the second positioning groove, so that the problem that after long-term use, the sealing performance is reduced due to the fact that the peripheries of the first sealing ring and the second sealing ring are exposed to the external environment and damaged, and further air invasion in the valve body is caused, and the valve body is corroded is avoided;

2. the installation of the first sealing ring and the second sealing ring is limited by matching the limiting groove and the limiting protrusion, so that the positioning holes in the components can be ensured to correspond positively, and the installation efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the overall sectional plane structure of the present invention;

FIG. 3 is a schematic plane structure view of the fixing plate of the present invention;

fig. 4 is a schematic plan view of the first sealing ring of the present invention;

reference numbers in the figures: 1. a valve body through pipe; 2. a valve seat; 3. a flange plate; 4. fixing the disc; 5. positioning holes; 6. a first positioning groove; 7. a first seal ring; 8. a second positioning groove; 9. a second seal ring; 10. a limiting groove; 11. and a limiting bulge.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Example one

Given by fig. 1 and fig. 2, the utility model provides the following technical solutions: a corrosion-resistant stainless steel valve body comprises a valve body through pipe 1, a valve seat 2 is fixed at the center of the top of the valve body through pipe 1, flange plates 3 are installed on two sides of the valve body through pipe 1, a fixed disc 4 is fixedly sleeved on the flange plates 3, a first positioning groove 6 sleeved on the outer side of the flange plate 3 is formed in one side of the fixed disc 4, the inner portion of the first positioning groove 6 is connected with the flange plates 3 through a first sealing ring 7, a second positioning groove 8 is formed in the other side of the fixed disc 4, a second sealing ring 9 is fixedly clamped in the second positioning groove 8, corresponding positioning holes 5 are formed in the peripheries of the flange plates 3, the fixed disc 4, the first sealing ring 7 and the second sealing ring 9, when a pipeline is installed, the first sealing ring 7 is fixed in the first positioning groove 6, connect first constant head tank 6 in the outside of ring flange 3 after that, again with the inside of second sealing washer 9 joint at second constant head tank 8, and make the pipe flange peg graft in the inside of second constant head tank 8, and use and pass ring flange 3, fixed disk 4, first sealing washer 7, the bolt of second sealing washer 9 and pipe flange fixes a position, wrap up first sealing washer 7 and second sealing washer 9 comprehensively through first constant head tank 6 and second constant head tank 8, avoid because of long-term after using, expose the damage in the outer environment because of first sealing washer 7 and second sealing washer 9 periphery, and the sealing performance who leads to descends, and then the interior air intrusion of valve body that causes, and lead to valve body corrosion problem.

Preferably, valve body siphunculus 1, disk seat 2 and flange 3 integral type casting forming, overall structure intensity is high.

Preferably, the valve body through pipe 1, the valve seat 2 and the flange plate 3 are all stainless steel components and have corrosion resistance.

Preferably, the valve seat 2 is arranged vertically at ninety degrees with respect to the valve body through tube 1.

Example two

Referring to fig. 2, fig. 3 and fig. 4, as another preferred embodiment, the difference from the first embodiment is that the inner walls of the first sealing ring 7 and the second sealing ring 9 are all fixed with a limiting protrusion 11 all around, a limiting groove 10 which is mutually buckled with the limiting protrusion 11 is formed on the fixed disk 4, the first sealing ring 7 and the second sealing ring 9 are installed and limited by the matching of the limiting groove 10 and the limiting protrusion 11, it is ensured that the positioning holes 5 on each component can correspond positively, and the installation efficiency is improved.

The working principle is as follows:

when installing the pipeline, at first fix first sealing washer 7 in the inside of first constant head tank 6, cup joint first constant head tank 6 in the outside of ring flange 3 after that, connect second sealing washer 9 joint in the inside of second constant head tank 8 again, and make the pipeline flange peg graft in the inside of second constant head tank 8, and use and pass ring flange 3, fixed disk 4, first sealing washer 7, the bolt of second sealing washer 9 and pipeline flange advances line location, wrap up first sealing washer 7 and second sealing washer 9 comprehensively through first constant head tank 6 and second constant head tank 8, avoid because of long-term after using, because of first sealing washer 7 and second sealing washer 9 periphery expose the damage in the outer environment, and the sealing performance who leads to descends, and then the interior air intrusion of valve body that causes, and lead to the valve body corrosion problem.

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. The utility model provides a corrosion-resistant stainless steel valve body, includes valve body siphunculus (1), the top center department of valve body siphunculus (1) is fixed with disk seat (2), ring flange (3), its characterized in that are all installed to the both sides of valve body siphunculus (1): cup joint on ring flange (3) and be fixed with fixed disk (4), cup joint first constant head tank (6) in the ring flange (3) outside is seted up to one side of fixed disk (4), the inside of first constant head tank (6) is connected with ring flange (3) through first sealing washer (7), second constant head tank (8) have been seted up to the opposite side of fixed disk (4), the inside joint of second constant head tank (8) is fixed with second sealing washer (9), corresponding locating hole (5) have been seted up all around of ring flange (3), fixed disk (4), first sealing washer (7) and second sealing washer (9).

2. A corrosion resistant stainless steel valve body as claimed in claim 1, wherein: the inner walls of the first sealing ring (7) and the second sealing ring (9) are fixed with limiting bulges (11) all around, and limiting grooves (10) which are mutually buckled with the limiting bulges (11) are formed in the fixed disc (4).

3. A corrosion resistant stainless steel valve body as claimed in claim 1, wherein: the valve body through pipe (1), the valve seat (2) and the flange plate (3) are integrally cast and formed.

4. A corrosion resistant stainless steel valve body according to claim 1, wherein: the valve body through pipe (1), the valve seat (2) and the flange plate (3) are all stainless steel components.

5. A corrosion resistant stainless steel valve body according to claim 1, wherein: the valve seat (2) is vertically arranged at ninety degrees relative to the valve body through pipe (1).