CN213929491U

CN213929491U - Corrosion-resistant valve

Info

Publication number: CN213929491U
Application number: CN202022627097.2U
Authority: CN
Inventors: 吴强; 吴建忠; 周春
Original assignee: Wuxi Zhongqiang Electrical Carbon Co ltd
Current assignee: Wuxi Zhongqiang Electrical Carbon Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-10
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a corrosion-resistant valve, which comprises a valve body and a sealing mechanism arranged on the valve body; the sealing mechanism comprises an anti-corrosion assembly and a sealing assembly; the sealing assembly comprises a first screw rod, an anti-corrosion sleeve and a first fixed seat, the first fixed seat is fixed on the vertical wall in the valve body, and one end of the first screw rod penetrates through the vertical wall of the valve body and the first fixed seat to be connected with the anti-corrosion sleeve; a connecting hole is formed in the end face of the anti-corrosion sleeve, which is opposite to the connecting part of the first screw rod; the sealing assembly comprises a second fixing seat, a valve rod and a second screw rod, the second fixing seat is fixed on the vertical wall inside the valve body, one end of the valve rod is located inside a second fixing groove, the other end of the valve rod is located inside a connecting hole, the second screw rod penetrates through the valve body and the second fixing seat to be connected with the valve rod, and the problem that when the inside of a valve existing in the prior art passes through high-corrosion liquid for a long time, the inside parts are reduced due to corrosion strength is solved.

Description

Corrosion-resistant valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to corrosion resistant valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.

The traditional manufacturing process of the valve is to perform inner cavity cutting machining after the valve body is subjected to injection molding, and the main defects of the valve are that the surface subjected to cutting machining is rough, the friction with a disc is increased, the abrasion of a sealing ring is serious, the opening is not flexible, the hidden danger of leakage exists, the service life is short, and the like.

When the inside of current valve is passing through the liquid that corrosivity is high, inside valve rod can make intensity decline because of corroding, and the valve that exists among the prior art is inside when passing through high corrosive liquid for a long time, and inside spare part is because of the problem that the corrosive strength descends.

SUMMERY OF THE UTILITY MODEL

The utility model provides a corrosion resistant valve has solved the inside long-time problem that descends because of the corrosion strength of the inside spare part of passing through high corrosive liquids of valve that exists among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a corrosion-resistant valve comprises a valve body and a sealing mechanism arranged on the valve body; the valve body is of a cuboid structure, and a liquid channel is arranged inside the valve body;

the sealing mechanism comprises an anti-corrosion assembly and a sealing assembly, and the anti-corrosion assembly and the sealing assembly are respectively arranged on two sides of the liquid channel;

the sealing assembly comprises a first screw rod, an anti-corrosion sleeve and a first fixed seat, the first fixed seat is fixed on a vertical wall in the valve body, a first fixed groove is formed in the end face, opposite to the joint of the valve body, of the first fixed seat, one end of the anti-corrosion sleeve is located in the first fixed groove, and one end of the first screw rod penetrates through the vertical wall of the valve body and the first fixed seat to be connected with the anti-corrosion sleeve; a connecting hole is formed in the end face of the anti-corrosion sleeve, which is opposite to the connecting part of the first screw rod;

the sealing assembly comprises a second fixing seat, a valve rod and a second screw rod, the second fixing seat is fixed on the vertical wall inside the valve body and opposite to the position of the first fixing seat, a second fixing groove is formed in the end face of the joint of the valve body, one end of the valve rod is located inside the second fixing groove, the other end of the valve rod is located inside the connecting hole, and the second screw rod penetrates through the valve body and the second fixing seat and is connected with the valve rod.

Preferably, the cross-sectional area of the connection hole is equal to the cross-sectional area of the valve rod, and the length of the connection hole is equal to the length of the valve rod.

Preferably, the width of the corrosion prevention sleeve is equal to the width of the liquid channel.

Preferably, two end surfaces of the valve body are respectively provided with a plurality of connecting blocks, and a plurality of threaded holes are formed in the connecting blocks.

Preferably, sealing rubber strips are arranged at the edge positions of the two ends of the valve body, and the outer ends of the first screw rod and the second screw rod are respectively connected with a hand wheel.

Preferably, the junction of first screw rod and anticorrosive cover with the junction of second screw rod and valve rod is provided with first spread groove and second spread groove respectively, the one end of the relative hand wheel of first screw rod and valve rod is provided with the fixture block respectively, first screw rod and valve rod pass through respectively the fixture block joint is in inside first spread groove and the second spread groove.

The utility model has the advantages that: the utility model comprises a valve body and a sealing mechanism arranged on the valve body; the sealing mechanism comprises an anti-corrosion assembly and a sealing assembly; the sealing assembly comprises a first screw rod, an anti-corrosion sleeve and a first fixed seat, the first fixed seat is fixed on a vertical wall in the valve body, one end of the anti-corrosion sleeve is positioned in the first fixed groove, and one end of the first screw rod penetrates through the vertical wall of the valve body and the first fixed seat to be connected with the anti-corrosion sleeve; a connecting hole is formed in the end face of the anti-corrosion sleeve, which is opposite to the connecting part of the first screw rod; the sealing assembly comprises a second fixing seat, a valve rod and a second screw rod, the second fixing seat is fixed on the vertical wall inside the valve body, one end of the valve rod is located inside the second fixing groove, the other end of the valve rod is located inside the connecting hole, and the second screw rod penetrates through the valve body and the second fixing seat to be connected with the valve rod; through connecting anticorrosive cover on first fixing base, fix the valve rod on the second fixing base, later rotate first screw rod and second screw rod and make anticorrosive cover and valve rod relative movement, final valve rod closes fluid passage, and anticorrosive cover can overlap on the valve rod simultaneously, prevents that liquid from causing the corruption to the valve rod, when having solved the valve that exists among the prior art inside and passing through high corrosive liquids for a long time, problem that inside spare part descends because of corrosion strength.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the middle anticorrosion sleeve of the utility model.

In the figure: 1. a valve body; 2. a first screw; 3. an anti-corrosion sleeve; 4. a first fixed seat; 5. a second fixed seat; 6. a valve stem; 7. a liquid channel; 8. connecting blocks; 9. a threaded hole; 10. a hand wheel; 11. connecting holes; 12. a second screw.

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. 1-2, a corrosion resistant valve includes a valve body 1 and a sealing mechanism disposed on the valve body 1; the valve body 1 is of a cuboid structure, a liquid channel 7 is arranged inside the valve body 1, and when the valve is used, two ends of the valve body 1 are connected with a pipeline;

the sealing mechanism comprises an anti-corrosion assembly and a sealing assembly, the anti-corrosion assembly and the sealing assembly are respectively arranged on two sides of the liquid channel 7, the sealing assembly plays a role in opening and closing the valve body 1, and the anti-corrosion assembly plays a role in protecting the sealing assembly from liquid corrosion;

the sealing assembly comprises a first screw rod 2, an anti-corrosion sleeve 3 and a first fixed seat 4, the first fixed seat 4 is fixed on a vertical wall inside the valve body 1, a first fixed groove is formed in the end face, opposite to the joint of the first fixed seat 4 and the valve body 1, of the first fixed seat 4, one end of the anti-corrosion sleeve 3 is located inside the first fixed groove, and one end of the first screw rod 2 penetrates through the vertical wall of the valve body 1 and the first fixed seat 4 to be connected with the anti-corrosion sleeve 3; the end face of the anti-corrosion sleeve 3, which is opposite to the joint of the first screw rod 2, is provided with a connecting hole 11;

seal assembly includes second fixing base 5, valve rod 6 and second screw rod 12, second fixing base 5 is fixed in on the vertical wall of 1 inside of valve body, and relative with the position of first fixing base 4, the second fixed slot has been seted up on the second fixing base 5 for the terminal surface of the junction of valve body 1, the one end of valve rod 6 is located inside the second fixed slot, the other end of valve rod 6 is located the inside of connecting hole 11, second screw rod 12 passes valve body 1 and second fixing base 5 and is connected with valve rod 6, when closing, rotate first screw rod 2 and second screw rod 12 simultaneously, make anticorrosive cover 3 and valve rod 6 relative movement, finally make valve rod 6 close liquid passage 7, anticorrosive cover 3 can cup joint on valve rod 6 simultaneously, prevent the corruption of highly corrosive liquid to valve rod 6.

Wherein, the cross-sectional area of the connecting hole 11 is equal to the cross-sectional area of the valve rod 6, and the length of the connecting hole 11 is equal to the length of the valve rod 6, so that the anti-corrosion sleeve 3 can be completely and tightly sleeved on the valve rod 6.

Wherein the width of the anti-corrosion sleeve 3 is equal to the width of the liquid channel 7, thus ensuring the tightness of the device.

Wherein, two terminal surface punishments of valve body 1 do not are provided with a plurality of connecting blocks 8, have all seted up a screw hole 9 on a plurality of connecting blocks 8, are connected with the pipeline through the connecting hole on the connecting block 8 during the installation.

Sealing rubber strips are arranged at the edge positions of two ends of the valve body 1, the outer ends of the first screw rod 2 and the second screw rod 12 are respectively connected with a hand wheel 10, and the hand wheel 10 is arranged to facilitate the rotation of the first screw rod 2 and the second screw rod 12.

Wherein, the junction of first screw rod 2 and anticorrosive cover 3 and the junction of second screw rod 12 and valve rod 6 are provided with first spread groove and second spread groove respectively, and the one end of the relative hand wheel 10 of first screw rod 2 and valve rod 6 is provided with the fixture block respectively, and first screw rod 2 and valve rod 6 are inside at first spread groove and second spread groove through the fixture block joint respectively, can prevent like this that first screw rod 2 and second screw rod 12 from droing.

The utility model discloses theory of operation and use flow: during the installation, the both ends and the pipe connection of valve body 1, when closing valve body 1, rotate first screw rod 2 and second screw rod 12 simultaneously for anticorrosive cover 3 and valve rod 6 relative movement, finally make valve rod 6 close fluid passage 7, anticorrosive cover 3 can cup joint on valve rod 6 simultaneously, prevent the corruption of high corrosive liquids to valve rod 6, when having solved the inside high corrosive liquids that passes through for a long time of valve that exists among the prior art, inside spare part is because of the problem that the corrosion strength descends.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The corrosion-resistant valve is characterized by comprising a valve body (1) and a sealing mechanism arranged on the valve body (1); the valve body (1) is of a cuboid structure, and a liquid channel (7) is arranged inside the valve body (1);

the sealing mechanism comprises an anti-corrosion assembly and a sealing assembly, and the anti-corrosion assembly and the sealing assembly are respectively arranged on two sides of the liquid channel (7);

the sealing assembly comprises a first screw rod (2), an anti-corrosion sleeve (3) and a first fixing seat (4), the first fixing seat (4) is fixed on a vertical wall inside the valve body (1), a first fixing groove is formed in the end face, opposite to the joint of the valve body (1), of the first fixing seat (4), one end of the anti-corrosion sleeve (3) is located inside the first fixing groove, and one end of the first screw rod (2) penetrates through the vertical wall of the valve body (1) and the first fixing seat (4) to be connected with the anti-corrosion sleeve (3); a connecting hole (11) is formed in the end face of the connecting part of the anti-corrosion sleeve (3) relative to the first screw (2);

the sealing assembly comprises a second fixing seat (5), a valve rod (6) and a second screw rod (12), the second fixing seat (5) is fixed on the vertical wall inside the valve body (1), the position of the second fixing seat is opposite to that of the first fixing seat (4), a second fixing groove is formed in the end face of the joint of the valve body (1) of the second fixing seat (5), one end of the valve rod (6) is located inside the second fixing groove, the other end of the valve rod (6) is located inside the connecting hole (11), and the second screw rod (12) penetrates through the valve body (1) and the second fixing seat (5) and the valve rod (6) are connected.

2. A corrosion resistant valve according to claim 1 wherein the cross sectional area of the connection hole (11) is equal to the cross sectional area of the valve stem (6) and the length of the connection hole (11) is equal to the length of the valve stem (6).

3. A corrosion resistant valve according to claim 1, wherein the width of the corrosion protection sleeve (3) is equal to the width of the liquid channel (7).

4. A corrosion-resistant valve according to claim 1, wherein a plurality of connecting blocks (8) are respectively arranged on two end faces of the valve body (1), and a threaded hole (9) is formed on each of the plurality of connecting blocks (8).

5. A corrosion-resistant valve according to claim 1, wherein sealing rubber strips are arranged at the edge positions of both ends of the valve body (1), and the outer ends of the first screw rod (2) and the second screw rod (12) are respectively connected with a hand wheel (10).

6. A corrosion-resistant valve according to claim 1, wherein the joint of the first screw (2) and the corrosion-resistant sleeve (3) and the joint of the second screw (12) and the valve rod (6) are respectively provided with a first connecting groove and a second connecting groove, the ends of the first screw (2) and the valve rod (6) opposite to the hand wheel (10) are respectively provided with a clamping block, and the first screw (2) and the valve rod (6) are respectively clamped inside the first connecting groove and the second connecting groove through the clamping block.