CN212536795U

CN212536795U - Anti-reflux valve

Info

Publication number: CN212536795U
Application number: CN202020601122.7U
Authority: CN
Inventors: 吉鹏飞
Original assignee: Individual
Current assignee: Urumqi Water Industry Technology Information Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-12
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a prevent valve against current relates to valve technical field, which comprises a valve body, the fixed surface intercommunication of valve body has inlet channel and outlet conduit, and the inside fixedly connected with spoiler of valve body, the inlet opening has been seted up to the side of spoiler, and the inside sliding connection of valve body has the slide, and the fixed intercommunication of both sides face of slide has choked flow gasbag and circulation gasbag, and choked flow gasbag and circulation gasbag are linked together through the slide, and the water conservancy diversion hole of two sets of symmetries is seted up to the side of slide, the inside fixedly connected with rubber circle of inlet opening. This prevent inside that reverse-flow valve flows into the valve body from outlet conduit through the reverse current, and the impact force of reverse current drives the baffle and slides at the surface of slide bar, baffle extrusion spring, and the spring drives the slide cartridge motion, and the slide cartridge drives the slide motion, and during the gas in the water pressure extrusion circulation gasbag of reverse current flowed into the choked flow gasbag, the inlet opening was blockked up to the volume grow of choked flow gasbag, had possessed and had can prevented that the inside rivers of valve from appearing the advantage against the current.

Description

Anti-reflux valve

Technical Field

The utility model relates to the technical field of valves, specifically be a prevent valve against current.

Background

The valves are used for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters of conveying media, and can be divided into shut-off valves, check valves, regulating valves and the like according to functions of the valves, wherein the valves are control parts in a fluid conveying system and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the valves used for the fluid control system range from the simplest stop valves to various valves used in extremely complex automatic control systems, and the variety and the specification of the valves are quite various.

The existing valve has certain defects, when the valve is closed, the backflow situation of water flow can occur, backflow water flow can cause backflow impact on the internal structure of the valve, and the internal structure of the valve can be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent valve against current has possessed and to have prevented that the inside rivers of valve from appearing the advantage against the current, has solved current valve, the condition of rivers backward flow can appear when the valve is closed, and the rivers of backward flow can cause the problem of impact against the current to valve inner structure.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: the utility model provides a prevent valve against current, includes the valve body, the fixed surface intercommunication of valve body has inlet channel and outlet conduit, the inside fixedly connected with spoiler of valve body, the inlet opening has been seted up to the side of spoiler, the inside sliding connection of valve body has the slide, the fixed intercommunication of both sides face of slide has choked flow gasbag and circulation gasbag, and choked flow gasbag and circulation gasbag pass through the slide and be linked together, the water conservancy diversion hole of two sets of symmetries is seted up to the side of slide, the inside fixedly connected with rubber circle of inlet opening.

Furthermore, a set of symmetrical sliding grooves is formed in the valve body, sliding rods are fixedly connected to the inner portions of the sliding grooves, two sets of symmetrical sliding cylinders are fixedly connected to the outer surface of each sliding plate, and the sliding rods are connected to the inner portions of the sliding cylinders in a sliding mode.

Through adopting above-mentioned technical scheme, possessed and to have made the more stable effect of the slip of slide, prevented that rivers from taking place crooked advantage when too big.

Furthermore, the outer surface sliding connection of litter has the baffle, the surface cover of litter is equipped with the spring, and the spring is located between baffle and the slide cartridge.

By adopting the technical scheme, the device has the advantage of reducing the impact force of the reverse flowing water.

Furthermore, a supporting cylinder is fixedly connected to one side face, far away from the spoiler, of the sliding plate, and the circulating air bag is located inside the supporting cylinder.

By adopting the technical scheme, the problem that the circulating air bag is inclined due to the impact force of the reverse flowing water is avoided.

Furthermore, one side fixedly connected with two sets of symmetrical rubber plugs of spoiler near the slide, and the rubber plug and the looks adaptation of water inlet.

By adopting the technical scheme, the device has the advantage of further preventing water from flowing backwards.

Further, the outer fixed surface of valve body installs flow detector, and the outer fixed surface of valve body articulates there is the apron.

Through adopting above-mentioned technical scheme, possessed the advantage that can monitor the inside discharge of valve body.

Compared with the prior art, the anti-reflux valve has the following beneficial effects:

1. the utility model discloses a reverse current flows in the inside of valve body from outlet conduit, the impact force of reverse current drives the baffle and slides at the surface of litter, baffle extrusion spring, the spring drives the slide motion, the slide drives the slide motion, gas in the water pressure extrusion circulation gasbag of reverse current flows in the choked flow gasbag, the inlet opening is blockked up to the volume grow of choked flow gasbag, the advantage that can prevent that the inside rivers of valve from appearing the adverse current has been possessed, current valve has been solved, the condition of rivers backward flow can appear when the valve is closed, the rivers of backward flow can cause the problem of impact against the current to the valve inner structure.

2. The utility model discloses a litter, the spout, the combined action of a slide section of thick bamboo, the combined action that has possessed and to have made the slip more stable effect of slide, prevent that the slide from taking place crooked advantage when rivers are too big, through the baffle, the combined action of spring, it can subduct the advantage to the impact force of advection water to have possessed, through setting up a support section of thick bamboo, the impact force of having avoided the advection water makes the problem emergence that the circulation gasbag takes place the slope, through setting up the rubber buffer, the advantage that can further prevent the water adverse current has been possessed, through setting up flow detector, the advantage that can monitor the inside discharge of valve body has been possessed.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a perspective view of the slide plate and the baffle according to the present invention;

fig. 4 is a perspective view of the spoiler of the present invention.

In the figure: 1-valve body, 2-spoiler, 3-chute, 4-slide rod, 5-spring, 6-baffle, 7-water outlet pipe, 8-circulation air bag, 9-support cylinder, 10-slide plate, 11-spoiler air bag, 12-rubber plug, 13-diversion hole, 14-water inlet hole, 15-water inlet pipe, 16-flow detector, 17-cover plate, 18-slide cylinder and 19-rubber ring.

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. 1-4, the present invention provides a technical solution: the utility model provides a prevent valve against current, including valve body 1, the outer fixed surface of valve body 1 installs flow detector 16, and the outer fixed surface of valve body 1 articulates there is apron 17, the advantage that can monitor the inside discharge of valve body 1 has been possessed, the spout 3 of a set of symmetry is seted up to the inside of valve body 1, and the inside fixedly connected with litter 4 of spout 3, the slide cylinder 18 of two sets of symmetries of outer fixed surface of slide 10 is connected with, and litter 4 sliding connection is in the inside of slide cylinder 18, the effect that can make slide 10's slip more stable has been possessed, slide 10 takes place crooked advantage when preventing rivers too big.

The surface sliding connection of litter 4 has baffle 6, the surface cover of litter 4 is equipped with spring 5, and spring 5 is located between baffle 6 and the slide cartridge 18, the advantage can be subducted to the impact force of flowing water, the fixed surface intercommunication of valve body 1 has inlet channel 15 and outlet conduit 7, the inside fixedly connected with spoiler 2 of valve body 1, spoiler 2 is close to the rubber buffer 12 of two sets of symmetries of a side fixedly connected with of slide 10, and rubber buffer 12 and inlet opening 14 looks adaptation, the advantage that can further prevent water against the current has been possessed, inlet opening 14 has been seted up to spoiler 2's side.

The inside sliding connection of valve body 1 has slide 10, and slide 10 keeps away from a side fixedly connected with support section of thick bamboo 9 of spoiler 2, and circulation gasbag 8 is located the inside of a support section of thick bamboo 9, and the impact force of having avoided the counter current water makes circulation gasbag 8 take place the problem emergence of slope, and the fixed intercommunication of both sides face of slide 10 has choked flow gasbag 11 and circulation gasbag 8, and choked flow gasbag 11 and circulation gasbag 8 are linked together through slide 10, and the water conservancy diversion hole 13 of two sets of symmetries is seted up to the side of slide 10, the inside fixedly connected with rubber circle 19 of inlet opening 14.

When the valve is used, when water flows into the valve from the water inlet pipeline 15, the water flows into the valve body 1, the water pressure is increased, the water pressure extrudes gas in the flow-resisting airbag 11 to flow into the flow-resisting airbag 8, the volume of the flow-resisting airbag 11 is reduced, the water flows sequentially pass through the water inlet hole 14 and the flow guide hole 13 and finally flow out through the water outlet pipeline 7, when the water flows reversely, the reverse water flows into the valve body 1 from the water outlet pipeline 7, the impact force of the reverse water flows drives the baffle 6 to slide on the outer surface of the slide rod 4, the baffle 6 extrudes the spring 5, the spring 5 drives the slide cylinder 18 to move, the slide cylinder 18 drives the slide plate 10 to move, the water pressure of the reverse water flows extrudes the gas in the flow-resisting airbag 8 to flow into the flow-resisting airbag 11, the volume of the flow-resisting airbag 11 is increased to block the water inlet hole 14, the advantage of preventing the water flow from, the backflow water flow can cause the problem of reverse flow impact on the internal structure of the valve.

Claims

1. The utility model provides an anti-reflux valve, includes valve body (1), its characterized in that: the fixed surface intercommunication of valve body (1) has inlet channel (15) and outlet conduit (7), the inside fixedly connected with spoiler (2) of valve body (1), inlet opening (14) have been seted up to the side of spoiler (2), the inside sliding connection of valve body (1) has slide (10), the fixed intercommunication of both sides face of slide (10) has choked flow gasbag (11) and circulation gasbag (8), and choked flow gasbag (11) and circulation gasbag (8) are linked together through slide (10), the water conservancy diversion hole (13) of two sets of symmetries are seted up to the side of slide (10), the inside fixedly connected with rubber circle (19) of inlet opening (14).

2. The valve of claim 1, wherein: a set of symmetrical sliding grooves (3) are formed in the valve body (1), sliding rods (4) are fixedly connected to the inner portions of the sliding grooves (3), two sets of symmetrical sliding cylinders (18) are fixedly connected to the outer surface of the sliding plate (10), and the sliding rods (4) are connected to the inner portions of the sliding cylinders (18) in a sliding mode.

3. The valve of claim 2, wherein: the outer surface sliding connection of litter (4) has baffle (6), the surface cover of litter (4) is equipped with spring (5), and spring (5) are located between baffle (6) and slide cartridge (18).

4. The valve of claim 1, wherein: one side face, far away from the spoiler (2), of the sliding plate (10) is fixedly connected with a supporting cylinder (9), and the circulating air bag (8) is located inside the supporting cylinder (9).

5. The valve of claim 1, wherein: one side fixedly connected with two sets of symmetrical rubber plugs (12) of spoiler (2) near slide (10), and rubber plug (12) and inlet opening (14) looks adaptation.

6. The valve of claim 1, wherein: the outer fixed surface of valve body (1) installs flow detector (16), and the outer fixed surface of valve body (1) articulates there is apron (17).