CN212899795U

CN212899795U - Pipeline is with preventing valve of leakage

Info

Publication number: CN212899795U
Application number: CN202021623618.0U
Authority: CN
Inventors: 许金夺
Original assignee: Suzhou Tiansheng Civil Air Defense Engineering Equipment Co ltd
Current assignee: Suzhou Tiansheng Civil Air Defense Engineering Equipment Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-06
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a pipeline is with valve of preventing leaking relates to valve technical field, and is single to current valve seal, and the leakproofness is poor, causes the problem that valve life is short, now proposes following scheme, including the valve body, the top welding of valve body has the connecting pipe, the top of connecting pipe can be dismantled and is connected with the valve gap, run through being equipped with the valve rod in valve gap and the connecting pipe, the bottom of valve rod is rotated and is connected with the valve clack, the bottom inner wall welding of valve body has the disk seat, the top of disk seat bonds and has the fixed block, the both sides fixed mounting of disk seat has the link, the both sides welding of valve clack has the slider, the bottom welding of slider has the shielding plate. The utility model discloses novel structure is simple, carries out a lot of to the valve body and seals, improves the leakproofness that the valve used, avoids liquid to leak, prolongs the life of valve.

Description

Pipeline is with preventing valve of leakage

Technical Field

The utility model relates to the technical field of valves, especially, relate to a pipeline is with preventing valve of leakage.

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 valve is divided into a cast iron valve, a cast steel valve, a stainless steel valve, a chromium molybdenum vanadium steel valve, a dual-phase steel valve, a plastic valve, a nonstandard valve and the like according to the material, the leakage of the valve generally occurs on a valve cover and a valve seat, a sealing gasket can be damaged when the valve is used for a long time, a single sealing mode cannot be used by a production and processing pipeline, the service life of the valve is shortened, the production cost is increased, and the use of the valve is influenced, so that the leakage-proof valve for the pipeline is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of pipeline is with valve of preventing leaking has solved the single sealed of current valve, causes valve life weak point, and manufacturing cost improves, changes the valve and influences the progress scheduling problem of mill.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pipeline is with valve of preventing leaking, includes the valve body, the top welding of valve body has the connecting pipe, the top of connecting pipe can be dismantled and is connected with the valve gap, run through being equipped with the valve rod in valve gap and the connecting pipe, the bottom of valve rod is rotated and is connected with the valve clack, the bottom inner wall welding of valve body has the disk seat, the top of disk seat bonds and has the fixed block, the both sides fixed mounting of disk seat has the link, the both sides welding of valve clack has the slider, the bottom welding of slider has the shielding plate.

Preferably, the top welding of valve rod has the carousel, the carousel is circular structure, and the outer lane of carousel is equipped with anti-skidding line, the screw thread through-hole has been seted up at the top of valve gap, and screw thread through-hole and valve rod looks adaptation.

Preferably, the inner wall of the connecting pipe is provided with a contraction cavity, one side of the contraction cavity is provided with a sliding groove along the height direction of the contraction cavity, the sliding block is connected with the inner wall of the sliding groove in a sliding mode, and the cross section of the shielding plate is of an arc-shaped structure.

Preferably, the inside of valve clack is seted up flutedly, and recess and fixed block looks adaptation, the top of fixed block bonds and has the third sealed pad, the top of disk seat bonds and has the second sealed pad, and the second sealed pad is contradicted with the bottom of valve clack.

Preferably, the bottom inner wall welding of link has the spring, the top welding of spring has first sealed the pad, and the inner wall sliding connection of first sealed pad and link.

Preferably, the vertical section of the connecting frame is of a U-shaped structure, and the shielding plate is matched with the inner wall of the connecting frame.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation valve body, the connecting pipe, the valve gap, the carousel, the valve rod, the valve clack, the disk seat, the fixed block, the link, a spring, first sealed pad, the second sealed pad, the third sealed pad, the shrink chamber, slider and shielding plate isotructure, wherein make the valve clack move upwards or downwards along the inner wall of connecting pipe through the carousel rotation, accomplish the closing of pipeline through the installation of valve clack and fixed block, seal valve clack and disk seat through the second sealed pad, move the shielding plate downwards when the valve clack moves downwards, make the shielding plate shelter from sealed once more to the both sides of valve clack, improve the sealing performance of valve body; the device novel structure is simple, seals many times to the valve body, improves the leakproofness that the valve used, avoids liquid to leak, prolongs the life of valve.

Drawings

Fig. 1 is a schematic front view of a leakproof valve for a pipeline according to the present invention;

fig. 2 is an enlarged schematic view of a structure at a position a of the leakproof valve for pipelines in accordance with the present invention.

In the figure: the valve comprises a valve body 1, a connecting pipe 2, a valve cover 3, a rotary disc 4, a valve rod 5, a valve clack 6, a valve seat 7, a fixed block 8, a connecting frame 9, a spring 10, a first sealing gasket 11, a second sealing gasket 12, a third sealing gasket 13, a contraction cavity 14, a sliding block 15 and a shielding plate 16.

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.

Referring to fig. 1-2, a pipeline is with valve of preventing leaking, including valve body 1, the welding of the top of valve body 1 has connecting pipe 2, the top of connecting pipe 2 can be dismantled and is connected with valve gap 3, run through in valve gap 3 and the connecting pipe 2 and be equipped with valve rod 5, the bottom of valve rod 5 is rotated and is connected with valve clack 6, the welding of the bottom inner wall of valve body 1 has disk seat 7, the top of disk seat 7 bonds has fixed block 8, the both sides fixed mounting of disk seat 7 has link 9, the welding of the both sides of valve clack 6 has slider 15, the welding of the bottom of.

The top of the valve rod 5 is welded with a rotary disc 4, the rotary disc 4 is of a circular structure, the outer ring of the rotary disc 4 is provided with anti-skid grains, the top of the valve cover 3 is provided with a threaded through hole, the threaded through hole is matched with the valve rod 5, the inner wall of the connecting pipe 2 is provided with a contraction cavity 14, one side of the contraction cavity 14 is provided with a sliding groove along the height direction, a sliding block 15 is in sliding connection with the inner wall of the sliding groove, the cross section of a baffle plate 16 is of a circular arc structure, a groove is formed in the valve clack 6 and is matched with the fixed block 8, a third sealing gasket 13 is bonded on the top of the fixed block 8, a second sealing gasket 12 is bonded on the top of the valve seat 7, the second sealing gasket 12 is abutted against the bottom of the valve clack 6, a spring 10 is welded on the inner wall of the bottom of the connecting frame 9, a first sealing gasket 11 is welded on the, the shielding plate 16 is adapted to the inner wall of the connecting frame 9.

In this embodiment, at first the regulating valve pole 5 makes valve clack 6 move downwards, valve clack 6's shape is special and 8 adaptations of fixed block, it is sealed through third sealed pad 13, valve clack 6's bottom is sealed again through second sealed pad 12, increase slider 15 and shielding plate 16 simultaneously, move shielding plate 16 along shrink chamber 14 downwards when valve clack 6 moves downwards, shielding plate 16 contradicts with first sealed pad 11 in the link 9, realize sealing again, shielding plate 16 protects valve clack 6 simultaneously, valve seat 7 and fixed block 8, also play the effect of protection, seal many times.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pipeline is with valve of preventing leaking, includes valve body (1), its characterized in that, the top welding of valve body (1) has connecting pipe (2), the top of connecting pipe (2) can be dismantled and be connected with valve gap (3), run through in valve gap (3) and connecting pipe (2) and be equipped with valve rod (5), the bottom of valve rod (5) is rotated and is connected with valve clack (6), the bottom inner wall welding of valve body (1) has disk seat (7), the top of disk seat (7) bonds and has fixed block (8), the both sides fixed mounting of disk seat (7) has link (9), the both sides welding of valve clack (6) has slider (15), the bottom welding of slider (15) has shielding plate (16).

2. A leak-proof valve for pipelines according to claim 1, wherein the top of the valve rod (5) is welded with a rotary disc (4), the rotary disc (4) is of a circular structure, the outer ring of the rotary disc (4) is provided with anti-slip threads, the top of the valve cover (3) is provided with a threaded through hole, and the threaded through hole is matched with the valve rod (5).

3. A leakproof valve for pipelines according to claim 1, characterized in that the inner wall of the connecting pipe (2) is provided with a contraction cavity (14), one side of the contraction cavity (14) is provided with a sliding groove along the height direction, the sliding block (15) is connected with the inner wall of the sliding groove in a sliding manner, and the cross section of the shielding plate (16) is in a circular arc structure.

4. A leak-proof valve for piping according to claim 1, wherein the valve flap (6) is recessed inside and fitted to the fixed block (8), a third gasket (13) is bonded to the top of the fixed block (8), a second gasket (12) is bonded to the top of the valve seat (7), and the second gasket (12) abuts against the bottom of the valve flap (6).

5. A leakproof valve for pipes according to claim 1, characterized in that the bottom inner wall of the connecting frame (9) is welded with a spring (10), the top of the spring (10) is welded with a first gasket (11), and the first gasket (11) is slidably connected with the inner wall of the connecting frame (9).

6. A leak-proof valve for pipes according to claim 1, characterized in that the vertical section of the connecting frame (9) is "U" shaped, and the shielding plate (16) is adapted to the inner wall of the connecting frame (9).