CN213088867U

CN213088867U - Sealing valve seal protection device

Info

Publication number: CN213088867U
Application number: CN202021222761.9U
Authority: CN
Inventors: 尤明根; 罗辉
Original assignee: Keshimao Mechanical Equipment Xinghua Co ltd
Current assignee: Keshimao Mechanical Equipment Xinghua Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-30
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a sealing valve sealing protection device, which comprises a valve body and two shells, wherein connecting ports at two ends of the valve body are correspondingly connected with end parts of two pipelines through flanges, the two shells are arranged outside the valve body and outside two pipeline parts, the outside of the top opening of the protective shell consisting of the two shells is in threaded connection with a sealing cover, the two shells are welded at the positions of the two pipelines to form a contracting neck, the position of the protective shell consisting of the two shells outside the contracting neck is provided with a sealing block, the position of the protective shell consisting of the two shells outside the sealing block is provided with a sealing rubber ring, and the end part of the protective shell consisting of the two shells is provided with a blocking cover outside the sealing rubber ring. The valve body is protected.

Description

Sealing valve seal protection device

Technical Field

The utility model relates to a seal valve protection device technical field specifically is a seal valve seal protection device.

Background

Sealing valves are accessories for pipes used to open and close the pipe, control the flow direction, regulate and control the 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. Generally, a sealing valve is directly exposed to a working environment after being installed, and lacks necessary protection, when the environmental humidity is high or corrosive gas exists in the environment, the valve body of the sealing valve is corroded seriously, the service life of the sealing valve is shortened, and the sealing performance of the sealing valve is also adversely affected. Therefore, the utility model provides a seal valve seal protection device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal valve seal protection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing valve sealing protection device comprises a valve body and two shells, wherein connecting ports at two ends of the valve body are correspondingly connected with end parts of two pipelines through flanges, the two shells are arranged outside the valve body and outside the two pipeline parts, connecting lugs are welded at proper positions of the upper side and the lower side of the two shells, the two shells are fixed by penetrating through the corresponding connecting lugs through bolts, a sealing cover is connected with the outside of an opening at the top of a protective shell consisting of the two shells in a threaded manner, contracting necks are welded at the positions of the two shells at the two pipelines, a sealing block is arranged at the position outside the contracting necks of the protective shell consisting of the two shells, a sealing rubber ring is arranged at the position outside the sealing rubber ring of the protective shell consisting of the two shells, a blocking cover is arranged at the outer side of the sealing rubber ring at the end part of the protective shell consisting of the two shells, the threaded port is in threaded connection with the lower end of the one-way valve.

Preferably, the sealing block comprises a first rubber block and a second rubber block, the first rubber block and the second rubber block form a horn-shaped hollow cylinder structure, and the first rubber block and the second rubber block form a structure which is embedded into a space between the pipeline and the contraction neck.

Preferably, the plug cover comprises a first half cover, a second half cover, a clamping block and a connecting seat, one end of the first half cover and one end of the second half cover are welded with the clamping block, the other end of the first half cover and the other end of the second half cover are provided with a bayonet matched with the clamping block, and the connecting seat is welded in the middle of the outer side of the first half cover and the outer side of the second half cover.

Preferably, the connecting seat is a cylindrical structure with a through hole formed in the center, a fixing bolt is installed inside the connecting seat, and the fixing bolt is in threaded connection with a screw hole in the end part of the protective shell formed by the two shells.

Preferably, the check valve includes shell, installation cavity, baffle, spring, valve plate and air cock, the air cock is preset at the shell top, the baffle welding is in the inboard lower part of shell, the installation cavity is between the baffle of shell inboard and air cock, the baffle is connected to the one end of spring and the valve plate is connected to the other end.

Preferably, a through hole is formed in the center of the partition plate, and a sealing gasket embedded into the air faucet is mounted on the upper portion of the valve plate.

Preferably, the contact surface of the two shells is attached with a sealing rubber strip, and a rubber pad is arranged on the top plate on the inner side of the sealing cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two shells are fixed into a whole through bolts to form a protective shell, the protective shell is conveniently assembled outside the valve body and a part of pipeline, and meanwhile, the top opening of the protective shell formed by the two shells is sealed through a sealing cover to protect the valve body;

2. the clamping blocks of the first half cover and the second half cover correspond to the bayonets to form a circular gland, the outer side of the pipeline is smoothly installed, the circular gland is fixed to the end part of the protective shell through a fixing bolt, the sealing rubber ring and the sealing block are tightly pressed, the inner surface and the outer surface of the sealing block are tightly contacted with the outer part and the shrinkage neck of the pipeline, and the space where the valve body is located in the protective shell is a sealed environment between the sealing pipeline and the protective shell to protect the valve body;

3. utilize the check valve to make things convenient for the staff to add the gas to the protective housing is inside, and improve the atmospheric pressure of valve body place confined space, avoid outside corrosive gas or steam to get into the protective housing inside, the protection valve body.

Drawings

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

FIG. 2 is a schematic view of the check valve structure of the present invention;

fig. 3 is a schematic view of the sealing structure between the housing and the pipeline of the present invention.

In the figure: valve body 1, pipeline 2, casing 3, sealed lid 4, check valve 5, sealed piece 6, sealing rubber ring 7, blanking cover 8, shrink neck 9, joint strip 10, engaging lug 11, screw thread mouth 12, fixing bolt 13, shell 51, installation cavity 52, baffle 53, spring 54, valve plate 55, air cock 56, first rubber

The block 61, the second rubber block 62, the first half cover 81, the second half cover 82, the fixture block 83 and the connecting seat 84.

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 to 3, the present invention provides a technical solution: a sealing valve sealing protection device comprises a valve body 1 and two shells 3, connectors at two ends of the valve body 1 are correspondingly connected with end parts of two pipelines 2 through flanges, the two shells 3 are arranged outside the valve body 1 and outside parts of the two pipelines 2, connecting lugs 11 are welded at proper positions of upper sides and lower edges of the two shells 3, the two shells 3 are fixed by bolts penetrating through the corresponding connecting lugs 11, a sealing cover 4 is connected with the outside of a top opening of a protective shell formed by the two shells 3 in a threaded manner, contracting necks 9 are welded at the positions of the two shells 3 on the two pipelines 2, a sealing block 6 is arranged at the position of the protective shell formed by the two shells 3 outside the contracting neck 9, a sealing rubber ring 7 is arranged at the position of the outer side of the sealing block 6, the sealing rubber ring 7 is used for auxiliary sealing, and a blocking cover 8 is arranged at the outer side of the sealing rubber ring 7 at the end, the lower extreme by

screw thread mouth

12, 12 threaded connection check valves 5 of screw thread mouth is predetermine to 3 upper portion one sides of two casings, and two casings 3 pass through the bolt fastening and become whole, constitute the protective housing, and it is convenient to assemble the outside of valve body 1 and partial pipeline 2, and two casings 3 constitute the protective housing open-top simultaneously and seal through sealed lid 4, protect valve body 1.

Further, the sealing block 6 comprises a first rubber block 61 and a second rubber block 62, the first rubber block 61 and the second rubber block 62 form a horn-shaped hollow cylinder structure, the first rubber block 61 and the second rubber block 62 form a structure embedded in the space between the pipeline 2 and the contraction neck 9, the first rubber block 61 and the second rubber block 62 are convenient to disassemble and assemble, and are convenient to smoothly fill in the space between the pipeline 2 and the contraction neck 9, so that the sealing effect is achieved.

Further, the blanking cap 8 comprises a first half cap 81, a second half cap 82, a clamping block 83 and a connecting seat 84, one end of the first half cap 81 and one end of the second half cap 82 are welded with the clamping block 83, the other end of the first half cap 81 and the other end of the second half cap 82 are provided with a bayonet matched with the clamping block 83, the connecting seat 84 is welded at the middle part of the outer side of the first half cap 81 and the second half cap 82, the clamping block 83 of the first half cap 81 and the clamping block 83 of the second half cap 82 are correspondingly inserted into the bayonet to form a circular gland, the circular gland is smoothly installed on the outer side of the pipeline 2, the circular gland is fixed to the end part of the protective shell through a fixing bolt 13, a sealant ring 7 and a sealing block 6 are compressed, the inner surface and the outer surface of the sealing.

Further, the connecting seat 84 is a cylindrical structure with a through hole in the center, the fixing bolt 13 is installed inside the connecting seat 84, the fixing bolt 13 is in threaded connection with a screw hole in the end portion of the protective shell formed by the two shells 3, and the connecting seat 84 facilitates the fixing bolt 13 to fix the first half cover 81 and the second half cover 82 in the end portion of the protective shell.

Further, check valve 5 includes shell 51, installation cavity 52, baffle 53, spring 54, valve plate 55 and air cock 56, air cock 56 is predetermine at the shell 51 top, baffle 53 welds the lower part in shell 51 inboard, installation cavity 52 is between baffle 53 and the air cock 56 of shell 51 inboard, baffle 53 is connected to the one end of spring 54 and valve plate 55 is connected to the other end, check valve 5 makes things convenient for the staff to the inside gas entrainment of protective housing, and improve the atmospheric pressure of valve body 1 place confined space, avoid inside outside corrosive gas or steam entering protective housing, protection valve body 1.

Furthermore, a through hole is formed in the center of the partition plate 53, the through hole is permeable, a sealing gasket embedded in the air nozzle 56 is mounted on the upper portion of the valve plate 55, and the sealing gasket improves the sealing performance between the valve plate 55 and the air nozzle 56.

Furthermore, sealing rubber strips 10 are attached to the contact surfaces of the two shells 3, the air tightness of the sealing rubber strips 10 is improved, and rubber pads are arranged on the top plates on the inner sides of the sealing covers 4 and improve the air tightness.

The working principle is as follows: during actual installation, an operator separately places the two shells 3 on two sides of the valve body 1, then buckles the two shells 3 together to enable the connecting lugs 11 on the edges of the two shells to correspond to each other, then uses bolts to penetrate through the connecting lugs 11 corresponding to each other to combine and fix the two shells 3 together to form a protective shell, then the operator inserts the first rubber block 61 and the second rubber block 62 between the pipeline 2 and the shrinkage neck 9, continues to install the sealing rubber ring 7, then inserts the clamping blocks 83 of the first half cover 81 and the second half cover 82 into the bayonets correspondingly to form the circular gland, smoothly installs the circular gland on the outer side of the pipeline 2, the fixing bolt 13 fixes the circular gland on the end part of the protective shell, compresses the sealing rubber ring 7 and the sealing block 6, the inner surface and the outer surface of the sealing block 6 are in close contact with the outer part of the pipeline 2 and the shrinkage neck 9, and the space between the sealing pipeline 2 and the, then the staff screws sealed lid 4, and the staff inflates to protective housing inside with check valve 5 connection air supply pipe at last, improves the atmospheric pressure in valve body 1 place confined space, avoids inside outside corrosive gas or steam gets into the protective housing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sealing valve sealing protection device comprises a valve body (1) and two shells (3), and is characterized in that connectors at two ends of the valve body (1) are correspondingly connected with end parts of two pipelines (2) through flanges, the two shells (3) are installed outside the valve body (1) and outside parts of the two pipelines (2), connecting lugs (11) are welded at proper positions of the upper side and lower side edges of the two shells (3), the two shells (3) are fixed by penetrating through the corresponding connecting lugs (11) through bolts, a sealing cover (4) is in threaded connection with the outside of an opening at the top of a protective shell formed by the two shells (3), a contracting neck (9) is welded at the positions of the two pipelines (2) of the two shells (3), and a sealing block (6) is installed at the position outside the contracting neck (9) of the protective shell formed by the two shells (3), sealing rubber ring (7) is installed in the position of the protective housing that two casings (3) are constituteed in sealed piece (6) outside, blanking cover (8) is installed in sealed rubber ring (7) outside to the protective housing tip that two casings (3) are constituteed, two casings (3) upper portion one side predetermine by screw thread mouth (12), the lower extreme of screw thread mouth (12) threaded connection check valve (5).

2. A sealing valve seal protection device according to claim 1, characterized in that: the sealing block (6) comprises a first rubber block (61) and a second rubber block (62), the first rubber block (61) and the second rubber block (62) form a horn-shaped hollow cylinder structure, and the first rubber block (61) and the second rubber block (62) form a structure which is embedded into a space between the pipeline (2) and the contraction neck (9).

3. A sealing valve seal protection device according to claim 1, characterized in that: the blocking cover (8) comprises a first half cover (81), a second half cover (82), a clamping block (83) and a connecting seat (84), wherein the clamping block (83) is welded at one end of the first half cover (81) and one end of the second half cover (82) while the clamping opening matched with the clamping block (83) is formed in the other end of the first half cover (81) and the second half cover (82), and the connecting seat (84) is welded in the middle of the outer side of the first half cover (81) and the second half cover (82).

4. A sealing valve seal protection device according to claim 3, characterized in that: the connecting seat (84) is of a cylindrical structure with a through hole formed in the center, a fixing bolt (13) is installed inside the connecting seat (84), and the fixing bolt (13) is in threaded connection with a screw hole in the end portion of a protective shell formed by the two shells (3).

5. A sealing valve seal protection device according to claim 1, characterized in that: check valve (5) are including shell (51), installation cavity (52), baffle (53), spring (54), valve plate (55) and air cock (56), air cock (56) are preset at shell (51) top, baffle (53) welding is in the lower part of shell (51) inboard, installation cavity (52) are between baffle (53) and air cock (56) of shell (51) inboard, baffle (53) and valve plate (55) are connected to the other end in the one end of spring (54).

6. A sealing valve seal protection device according to claim 5, characterized in that: the center of the partition plate (53) is provided with a through hole, and the upper part of the valve plate (55) is provided with a sealing gasket embedded in the air faucet (56).

7. A sealing valve seal protection device according to claim 1, characterized in that: and sealing rubber strips (10) are attached to the contact surfaces of the two shells (3), and rubber pads are arranged on the inner side top plates of the sealing covers (4).