CN220688124U

CN220688124U - Water stop valve for secondary water supply

Info

Publication number: CN220688124U
Application number: CN202322254525.5U
Authority: CN
Inventors: 罗妮
Original assignee: Ma'anshan Tianjin Construction Engineering Co ltd
Current assignee: Ma'anshan Tianjin Construction Engineering Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-29
Anticipated expiration: 2033-08-22

Abstract

The utility model provides a water stop valve for secondary water supply, which comprises a water stop valve and a water stop mechanism, wherein the water stop mechanism comprises a fixed rod, a first fixed ring, a second fixed ring, a spring, a first valve clack, a second valve clack and a sliding groove, a valve body is fixedly arranged on the lower surface of the water stop valve, a valve cover is rotatably connected on the upper surface of the valve body, the water stop mechanism is arranged on the inner side surface of the valve body, and an overhaul mechanism is arranged on the upper surface of the valve body; this a water stop valve for secondary water supply, through dead lever, first solid fixed ring, the solid fixed ring of second, the spring, first valve clack, second valve clack and sliding tray's setting, when liquid is poured into the valve body through the water pipe, the valve clack passes through first solid fixed ring and the solid fixed ring fixed rod of second and rotates for the center, when not inputting liquid, the spring does not bear the force valve clack and pushes back to support the sliding tray, just reached the effect of closing, when closing, valve clack contact pad, the impact of valve clack to the valve body can be reduced to the pad, the effect of buffering plays.

Description

Water stop valve for secondary water supply

Technical Field

The utility model relates to the related technical field of water stop valves, in particular to a water stop valve for secondary water supply.

Background

The water stop valve is also called a check valve, the check valve is a valve with a circular valve clack and acts by self weight and medium pressure to stop medium backflow, belongs to automatic valves, the check valve has the function of preventing hot water from flowing back into a pipeline in a hot water system, if a PVC pipe is likely to burn the pipeline, people can be possibly hurt even, especially in a solar water heater system, the check valve has the function of preventing high-pressure water from flowing back to a water pump impeller in a water pump water supply system, when the water pump suddenly stops running due to a certain reason in operation of the system, the pressure in the pump disappears, high-pressure water connected with the water pump outlet can reversely flow back to the water pump, when the water pump outlet is provided with the check valve, the check valve can be immediately closed to prevent the high-pressure water from reversely flowing back to the water pump, the check valve has the function of the principle that the check valve is only used for allowing the medium to flow in one direction, the valve is normally operated automatically, under the action of fluid pressure flowing in one direction, the valve clack is opened, when the fluid flows in the opposite direction, the valve clack is acted on the valve seat by the fluid pressure and the self-weight of the valve clack, so that the flow is cut off, the bottom valve and the duckbill valve belong to check valve systems, the check valve can be divided into three types of lifting type, swing type and butterfly type, the lifting type structure can be divided into three types of vertical type and horizontal type, the lifting type structure can move along an axis, the swing type structure can also be divided into three types of single-flap type, double-flap type and multi-flap type, the swing type structure rotates according to the gravity center, the butterfly type structure is a straight-through flow channel, the opening and closing of the check valve is self-opened and closed by means of medium flow force, the check valve belongs to an automatic valve product, the check valve only allows a medium to flow in a pipeline in one direction, the phenomenon of the medium is prevented, the use range is very wide, the water stop valve is applicable to high-pressure systems of large and small calibers, various mediums and power stations, and the water stop valve is particularly required to be used for secondary water supply because the existing water stop valve structure generally enables water pipelines to be communicated in different states through a movable water stop element when the water stop valve works.

However, in the existing water stop valve, the water stop valve has poor cutting-off effect, and medium flow of some pipelines greatly fluctuates to cause impact on valve elements, so that the valve clack vibrates and is not buffered, and the service life of the valve clack is influenced.

Disclosure of Invention

The utility model aims to provide a water stop valve for secondary water supply, which solves the problems that the prior water stop valve provided in the background art has poor cutting effect, and the medium flow of some pipelines greatly fluctuates to impact valve elements, so that valve clacks vibrate without buffering, and the service life is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stagnant water valve for secondary water supply, includes stagnant water valve and stagnant water mechanism, stagnant water mechanism includes dead lever, first solid fixed ring, second solid fixed ring, spring, first valve clack, second valve clack and sliding tray, the below surface fixed mounting of stagnant water valve has the valve body, the top surface rotation of valve body is connected with the valve gap, the inboard surface of valve body is provided with stagnant water mechanism, the top surface of valve body is provided with maintenance mechanism.

Preferably, the water stopping mechanism comprises a fixed rod, a first fixed ring, a second fixed ring, a spring, a first valve clack, a second valve clack and a sliding groove, wherein the fixed rod is fixedly connected with the inner side surface of the valve body, the first fixed ring is rotationally connected with the outer side surface of the fixed rod, the second fixed ring is rotationally connected with the outer side surface of the fixed rod, the spring is sleeved on the outer side surface of the fixed rod, the first valve clack is welded on the outer side surface of the first fixed ring, the second valve clack is fixedly connected with the outer side surface of the second fixed ring, the sliding groove is formed in the inner side surface of the valve body, and the gasket is fixedly connected with the inner side surface of the valve body.

Preferably, the first valve clack and the second valve clack are symmetrically arranged with the central axis of the fixed rod, and the shapes and the sizes of the first valve clack and the second valve clack are equal.

Preferably, the maintenance mechanism comprises a first thread groove, a second thread groove, a clamping groove, a sealing ring and a rotating groove, wherein the first thread groove is formed in the upper surface of the valve body, the second thread groove is formed in the inner side surface of the valve cover, the clamping groove is formed in the inner side surface of the valve cover, the sealing ring is connected with the inner side surface of the valve cover in a clamping mode, and the rotating groove is formed in the upper surface of the valve cover.

Preferably, the sealing ring is connected with the clamping groove in a clamping way through the valve cover, and the valve body is connected with the valve cover through the first thread groove in a threaded way.

Compared with the prior art, the utility model has the beneficial effects that: this a water valve that ends for secondary water supply, through the dead lever, first solid fixed ring, the second solid fixed ring, a spring, first valve clack, second valve clack and sliding tray's setting, in the course of the work, at first, when liquid is poured into the valve body through the water pipe, first valve clack and second valve clack are impacted to liquid afterwards, first valve clack and second valve clack are rotatory as the center through first solid fixed ring and the solid fixed ring dead lever of second, when not inputting liquid, the spring is not stressed and is pushed back first valve clack and second valve clack, and support the sliding tray, just so reached the effect of closing, first valve clack and second valve clack contact gasket when closing, the gasket can reduce the impact of first valve clack and second valve clack to the valve body, play the effect of buffering.

Drawings

FIG. 1 is a schematic diagram of a side view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the water stop mechanism of the present utility model;

FIG. 3 is a schematic view of the cooperating structure of the valve cover and valve body of the present utility model;

FIG. 4 is a schematic view of the cooperating structure of the valve cover and the rotary groove of the present utility model;

FIG. 5 is a schematic view of the cooperation structure of the sliding groove and the gasket of the present utility model.

In the figure: 1. a water stop valve; 2. a valve body; 3. a valve cover; 4. a water stopping mechanism; 401. a fixed rod; 402. a first fixing ring; 403. a second fixing ring; 404. a spring; 405. a first valve flap; 406. a second valve flap; 407. a sliding groove; 408. a gasket; 5. an overhaul mechanism; 501. a first thread groove; 502. a second thread groove; 503. a clamping groove; 504. a seal ring; 505. the groove is rotated.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a stagnant water valve for secondary water supply, includes stagnant water valve 1 and stagnant water mechanism 4, stagnant water mechanism 4 includes dead lever 401, first solid fixed ring 402, second solid fixed ring 403, spring 404, first valve clack 405, second valve clack 406 and sliding tray 407, and the below surface fixed mounting of stagnant water valve 1 has valve body 2, and the top surface of valve body 2 rotates and is connected with valve gap 3, and the inboard surface of valve body 2 is provided with stagnant water mechanism 4, and the top surface of valve body 2 is provided with maintenance mechanism 5.

Further, the water stopping mechanism 4 comprises a fixed rod 401, a first fixed ring 402, a second fixed ring 403, a spring 404, a first valve clack 405, a second valve clack 406, a sliding groove 407 and a gasket 408, wherein the fixed rod 401 is fixedly connected with the inner side surface of the valve body 2, the first fixed ring 402 is rotationally connected with the outer side surface of the fixed rod 401, the second fixed ring 403 is rotationally connected with the outer side surface of the fixed rod 401, the spring 404 is sleeved on the outer side surface of the fixed rod 401, the first valve clack 405 is welded on the outer side surface of the first fixed ring 402, the second valve clack 406 is fixedly connected with the outer side surface of the second fixed ring 403, the sliding groove 407 is arranged on the inner side surface of the valve body 2, the gasket 408 is fixedly connected with the inner side surface of the valve body 2, through the arrangement of the fixing rod 401, the first fixing ring 402, the second fixing ring 403, the spring 404, the first valve clack 405, the second valve clack 406 and the sliding groove 407, in the working process, when liquid is injected into the valve body 2 through the water pipe, the liquid then impacts the first valve clack 405 and the second valve clack 406, the first valve clack 405 and the second valve clack 406 rotate by taking the fixing rod 401 of the first fixing ring 402 and the second fixing ring 403 as the center, when no liquid is input, the spring 404 does not bear force to push the first valve clack 405 and the second valve clack 406 back and prop against the sliding groove 407, thus the closing effect is achieved, the first valve clack 405 and the second valve clack 406 contact the gasket 408 in the closing process, and the gasket 408 can reduce the impact of the first valve clack 405 and the second valve clack 406 on the valve body 2, thus the buffering effect is achieved.

Further, the first valve clack 405 and the second valve clack 406 are symmetrically arranged with the central axis of the fixing rod 401, and the shapes and the sizes of the first valve clack 405, the second valve clack 406 and the fixing rod 401 are equal, so that the liquid can flow more uniformly in the working process.

Further, the maintenance mechanism 5 includes first thread groove 501, second thread groove 502, draw-in groove 503, sealing washer 504 and rotation groove 505, first thread groove 501 has been seted up to the top surface of valve body 2, second thread groove 502 has been seted up to the inboard surface of valve gap 3, draw-in groove 503 has been seted up to the inboard surface of valve gap 3, the inboard surface block of valve gap 3 is connected with sealing washer 504, rotation groove 505 has been seted up to the top surface of valve gap 3, through the setting of first thread groove 501, second thread groove 502, draw-in groove 503, sealing washer 504 and rotation groove 505, at the during operation, at first rotation groove 505, thereby drive first thread groove 501 and second thread groove 502 and rotate and open valve gap 3, sealing washer 504 card is on draw-in groove 503, can play better sealed effect, be convenient for inspect and maintain.

Further, the sealing ring 504 is connected with the clamping groove 503 through the valve cover 3 in a clamping way, the valve body 2 is connected with the valve cover 3 through the first thread groove 501 in a threaded way, and the valve cover 3 can be opened and closed more conveniently through the arrangement of the sealing ring 504, the valve cover 3 and the clamping groove 503 during use.

Working principle: firstly, when liquid is injected into the valve body 2 through the water pipe, then the liquid impacts the first valve clack 405 and the second valve clack 406, the first valve clack 405 and the second valve clack 406 rotate by taking the first fixing ring 402 and the second fixing ring 403 as the center, when no liquid is input, the spring 404 does not bear the force to push the first valve clack 405 and the second valve clack 406 back and prop against the sliding groove 407, so that the closing effect is achieved, when the first valve clack 405 and the second valve clack 406 are closed, the gasket 408 can reduce the impact of the first valve clack 405 and the second valve clack 406 on the valve body 2, the buffer effect is achieved, the liquid can flow more uniformly through the arrangement of the first valve clack 405, the second valve clack 406 and the fixing rod 401, then the rotating groove 505 is rotated, thereby driving the first threaded groove 501 and the second threaded groove 502 to rotate to open the valve cover 3, the sealing ring 504 is clamped on the clamping groove 503, the good sealing effect is achieved, the check and the maintenance are convenient, and the water supply valve cover 3 is opened and closed more conveniently through the arrangement of the sealing ring 504, the valve cover 3 and the clamping groove 503.

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

Claims

1. The utility model provides a stagnant water valve for secondary water supply, includes stagnant water valve (1) and stagnant water mechanism (4), its characterized in that: the water stopping mechanism (4) comprises a fixing rod (401), a first fixing ring (402), a second fixing ring (403), a spring (404), a first valve clack (405), a second valve clack (406) and a sliding groove (407), a valve body (2) is fixedly arranged on the lower surface of the water stopping valve (1), a valve cover (3) is rotationally connected on the upper surface of the valve body (2), the water stopping mechanism (4) is arranged on the inner side surface of the valve body (2), and a maintenance mechanism (5) is arranged on the upper surface of the valve body (2).

2. A water stop valve for secondary water supply as defined in claim 1, wherein: the water stopping mechanism (4) comprises a fixing rod (401), a first fixing ring (402), a second fixing ring (403), a spring (404), a first valve clack (405), a second valve clack (406), a sliding groove (407) and a gasket (408), wherein the fixing rod (401) is fixedly connected with the inner side surface of the valve body (2), the first fixing ring (402) is rotationally connected with the outer side surface of the fixing rod (401), the second fixing ring (403) is rotationally connected with the outer side surface of the fixing rod (401), the spring (404) is sleeved on the outer side surface of the fixing rod (401), the first valve clack (405) is welded on the outer side surface of the first fixing ring (402), the second valve clack (406) is fixedly connected with the outer side surface of the second fixing ring (403), the sliding groove (407) is formed in the inner side surface of the valve body (2), and the gasket (408) is fixedly connected with the inner side surface of the valve body (2).

3. A water stop valve for secondary water supply according to claim 2, wherein: the first valve clack (405) and the second valve clack (406) are symmetrically arranged on the central axis of the fixed rod (401) and are equal in shape and size.

4. A water stop valve for secondary water supply as defined in claim 1, wherein: the maintenance mechanism (5) comprises a first thread groove (501), a second thread groove (502), a clamping groove (503), a sealing ring (504) and a rotating groove (505), wherein the first thread groove (501) is formed in the upper surface of the valve body (2), the second thread groove (502) is formed in the inner side surface of the valve cover (3), the clamping groove (503) is formed in the inner side surface of the valve cover (3), the sealing ring (504) is connected with the inner side surface of the valve cover (3) in a clamping mode, and the rotating groove (505) is formed in the upper surface of the valve cover (3).

5. A water stop valve for secondary water supply as defined in claim 4 wherein: the sealing ring (504) is connected with the clamping groove (503) in a clamping mode through the valve cover (3), and the valve body (2) is connected with the valve cover (3) in a threaded mode through the first thread groove (501).