CN209294485U - It is a kind of can liquidproof reflux valve - Google Patents

Abstract

The utility model belongs to valve technology field, more particularly to it is a kind of can liquidproof reflux valve, including valve body, the inner wall of the valve body is fixedly installed with gasket, the internal activity of the gasket is socketed with valve rod, the bottom end of the valve rod is fixedly connected with piston, and the top of valve rod is fixedly connected with adjustment disk, the top movable of valve body is connected with rubber pad, the bottom of rubber pad is connected with cover board, the top of cover board is fixedly connected by bolt with the top of valve body, and valve body one end is fixedly installed with movable plate at the top of inner cavity.This can liquidproof reflux valve; pass through setting movable plate, movable spring, connecting plate and baffle; it can be during valve be closed; so that movable plate is in contact under the action of liquid reflux is impacted between baffle; and then close the flow cavity of valve inner; the problem of preventing liquid to flow back improves the service life of valve so that the sealing element to valve internal plays the role of protection.

Description

It is a kind of can liquidproof reflux valve

Technical field

The utility model belongs to valve technology field, and in particular to it is a kind of can liquidproof reflux valve.

Background technique

Valve is for being opened and closed pipeline, control flow direction, regulation and control pumped (conveying) medium parameter (temperature, pressure and flow) Pipeline fittings, and valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, divides The functions such as stream or overflow pressure relief；However, existing most of valves are during use, do not have the function of anti-return, and When the valve is closed, the sealing element of valve internal is easy the problem of falling off or deform because of the impact of liquid reflux, from And affect the service life of valve body.

Utility model content

The purpose of this utility model is to provide it is a kind of can liquidproof reflux valve, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: it is a kind of can liquidproof reflux valve, including Valve body, the inner wall of the valve body are fixedly installed with gasket, and the internal activity of the gasket is socketed with valve rod, the valve rod Bottom end is fixedly connected with piston, and the top of valve rod is fixedly connected with adjustment disk, and the top movable of the valve body is connected with rubber Pad, the bottom of the rubber pad are connected with cover board, and the top of the cover board is fixedly connected by bolt with the top of valve body, Movable plate is fixedly installed at the top of the inner cavity of described valve body one end, the side of the movable plate is fixedly connected with movable spring, institute The one end for stating movable spring is fixedly connected with connecting plate, the fixed company in the top of the connecting plate and the top of valve body one end inner cavity It connects, the bottom of described valve body one end inner cavity is fixedly installed with baffle, and sealing ring is fixedly installed with inside valve body one end, described close The internal activity of seal is socketed with outlet pipe, and the outside of the valve body is fixedly installed with fixed plate, the inside spiral shell of the fixed plate Line is socketed with fixed link, and the bottom end of the fixed link is connected with fixed pad, and the fixed pad connects with the outside of outlet pipe Touching, the other end of the valve body are fixedly connected with water inlet pipe.

Preferably, the piston is located at the inside of valve body, and the shape of piston is circular ring shape, and the thickness value of the piston is small Diameter value in valve body both ends inner cavity.

Preferably, rubber pad is run through in the bottom end of the bolt, and the external screw-thread of bolt is socketed with nut, the top of nut It is touched with the bottom connection of top end of the valve body.

Preferably, the side of the movable plate is sequentially connected by the side of movable spring and connecting plate, and movable plate is another The bottom of side is in contact with the side of baffle.

Preferably, the shape of the fixed link is work shape, and the external screw thread outside fixed link and the interior spiral shell inside fixed plate Line is adapted.

Preferably, the shape at the rebasing end of the fixation is arc-shaped, and the bottom end activity of the inside of fixed pad and fixed link Socket.

Compared with prior art, the utility model has the beneficial effects that

1, this can the valve of liquidproof reflux can be in valve by setting movable plate, movable spring, connecting plate and baffle During door is closed, so that movable plate is in contact under the action of liquid reflux is impacted between baffle, and then valve is closed The flow cavity in internal portion, it is therefore prevented that the problem of liquid flows back, so that the sealing element to valve internal plays protection Effect, improves the service life of valve.

2, this can liquidproof reflux valve, by setting fixed plate, fixed link and it is fixed pad, can be used in valve In the process, using the thrust of fixed link, so that fixed pad is closely in contact with the outside of outlet pipe and water inlet pipe, thus just In carrying out installation fixation to outlet pipe and water inlet pipe, and improve outlet pipe and fastness when water inlet pipe is installed.

Detailed description of the invention

Fig. 1 is the front schematic view of the utility model structure；

Fig. 2 is the side view of fixed pad in the utility model；

Fig. 3 is partial enlargement diagram at the A of the utility model structure.

In figure: 1, valve body；2, gasket；3, valve rod；4, piston；5, adjustment disk；6, rubber pad；7, cover board；8, bolt；9, Movable plate；10, movable spring；11, connecting plate；12, baffle；13, sealing ring；14, outlet pipe；15, fixed plate；16, fixed link； 17, fixed pad；18, water inlet pipe.

Specific embodiment

The utility model is further described below with reference to embodiment.

The following examples illustrate the utility model, but cannot be used to limit the protection scope of the utility model.Implement Condition in example can be adjusted according to actual conditions are further, to the utility model under the concept thereof of the utility model Method simple modifications belong to the requires of the utility model protection range.

Please refer to Fig. 1-3, the utility model provides a kind of technical solution: it is a kind of can liquidproof reflux valve, including valve Body 1, the inner wall of valve body 1 are fixedly installed with gasket 2, and the internal activity of gasket 2 is socketed with valve rod 3, and the bottom end of valve rod 3 is fixed It is connected with piston 4, and the top of valve rod 3 is fixedly connected with adjustment disk 5, the top movable of valve body 1 is connected with rubber pad 6, rubber The bottom of pad 6 is connected with cover board 7, and the top of cover board 7 is fixedly connected by bolt 8 with the top of valve body 1,1 one end of valve body It is fixedly installed with movable plate 9 at the top of inner cavity, the side of movable plate 9 is fixedly connected with movable spring 10, and the one of movable spring 10 End is fixedly connected with connecting plate 11, is fixedly connected at the top of the top and 1 one end inner cavity of valve body of connecting plate 11, in 1 one end of valve body The bottom of chamber is fixedly installed with baffle 12, and is fixedly installed with sealing ring 13 inside 1 one end of valve body, this sealing ring 13 is rubber material Matter, the internal activity of sealing ring 13 are socketed with outlet pipe 14, and the outside of valve body 1 is fixedly installed with fixed plate 15, fixed plate 15 Internal whorl is socketed with fixed link 16, and the bottom end of fixed link 16 is connected with fixed pad 17, fixed pad 17 and outlet pipe 14 Outside is in contact, and the other end of valve body 1 is fixedly connected with water inlet pipe 18.

Wherein, piston 4 is located at the inside of valve body 1, and the shape of piston 4 is circular ring shape, and the thickness value of piston 4 is less than valve body The diameter value at 1 both ends inner cavity, can be by rotation valve rod 3, so that piston 4 is moved in the inside of valve body 1, consequently facilitating control The flow of 1 internal liquid of valve body processed.

Wherein, rubber pad 6 is run through in the bottom end of bolt 8, and the external screw-thread of bolt 8 is socketed with nut, the top of nut with The bottom connection on 1 top of valve body touches, can during valve is installed, convenient for installation is fixed to valve body 1 and cover board 7, So that can be in close contact between valve body 1 and cover board 7.

Wherein, the side of movable plate 9 is sequentially connected by the side of movable spring 10 and connecting plate 11, and movable plate 9 is another The bottom of side is in contact with the side of baffle 12, can be during closing valve, so that movable plate 9 is in Liquid backwash power Under the action of be in contact between baffle 12, and then prevent liquid there is a phenomenon where flow back.

Wherein, the shape of fixed link 16 is work shape, and the interior spiral shell inside external screw thread fixed link 16 outside and fixed plate 15 Line is adapted, can be by rotating fixed link 16, so that fixed pad 17 moves under the thrust of fixed link 16, and right Fixation is adjusted in the outside of outlet pipe 14 or water inlet pipe 18.

Wherein, the shape of 17 bottom ends of fixed pad is arc-shaped, and the bottom end activity of the inside of fixed pad 17 and fixed link 16 Socket can make fixed pad 17 closely connect with the outside of outlet pipe 14 or water inlet pipe 18 by the setting of 17 shapes of fixed pad Touching, to improve the fastness that outlet pipe 14 or water inlet pipe 18 are installed.

The working principle and process for using of the utility model: outlet pipe 14 or water inlet pipe 18 are socketed in valve body respectively first 1 both ends are rotated further by fixed link 16, so that fixed pad 17 moves under the thrust of fixed link 16, and are allowed to and go out Water pipe 14 or the external of water inlet pipe 18 are in close contact, consequently facilitating carrying out installation fixation to outlet pipe 14 or water inlet pipe 18, then When closing valve, liquid inside outlet pipe 14 can flow to the inside of valve body 1 because of the effect of inertia moment, at this time movable plate 9 It can move under the action of liquid reflux impact force, and be in contact between baffle 12, avoid liquid and enter in valve body 1 The middle part of chamber improves the service life of valve to play the role of protection to the sealing element to valve internal.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. one kind can liquidproof reflux valve, it is characterised in that: including valve body (1), the inner wall of the valve body (1) is fixedly mounted Have gasket (2), the internal activity of the gasket (2) is socketed with valve rod (3), and the bottom end of the valve rod (3) is fixedly connected with Piston (4), and the top of valve rod (3) is fixedly connected with adjustment disk (5), the top movable of the valve body (1) is connected with rubber pad (6), the bottom of the rubber pad (6) is connected with cover board (7), and the top of the cover board (7) passes through bolt (8) and valve body (1) top is fixedly connected, and is fixedly installed with movable plate (9) at the top of valve body (1) one end inner cavity, the movable plate (9) Side be fixedly connected with movable spring (10), one end of the movable spring (10) is fixedly connected with connecting plate (11), described It is fixedly connected at the top of the top of connecting plate (11) and valve body (1) one end inner cavity, the bottom of valve body (1) one end inner cavity is fixed It is equipped with baffle (12), and is fixedly installed with sealing ring (13) inside valve body (1) one end, the internal activity of the sealing ring (13) It is socketed with outlet pipe (14), the outside of the valve body (1) is fixedly installed with fixed plate (15), the inside spiral shell of the fixed plate (15) Line is socketed with fixed link (16), and the bottom end of the fixed link (16) is connected with fixed pad (17), the fixed pad (17) with The outside of outlet pipe (14) is in contact, and the other end of the valve body (1) is fixedly connected with water inlet pipe (18).

2. one kind according to claim 1 can liquidproof reflux valve, it is characterised in that: the piston (4) is located at valve The inside of body (1), and the shape of piston (4) is circular ring shape, the thickness value of the piston (4) is less than valve body (1) both ends inner cavity Diameter value.

3. one kind according to claim 1 can liquidproof reflux valve, it is characterised in that: the bottom end of the bolt (8) External screw-thread through rubber pad (6), and bolt (8) is socketed with nut, the top of nut and the bottom connection on valve body (1) top Touching.

4. one kind according to claim 1 can liquidproof reflux valve, it is characterised in that: the one of the movable plate (9) Side is sequentially connected by the side of movable spring (10) and connecting plate (11), and the bottom of movable plate (9) other side and baffle (12) side is in contact.

5. one kind according to claim 1 can liquidproof reflux valve, it is characterised in that: the shape of the fixed link (16) Shape is work shape, and the external screw thread of fixed link (16) outside is adapted with the internal screw thread of fixed plate (15) inside.

6. one kind according to claim 1 can liquidproof reflux valve, it is characterised in that: described fixed pad (17) bottom end Shape be arc-shaped, and the bottom end pivot bush unit of the inside of fixed pad (17) and fixed link (16).