CN212616547U

CN212616547U - Check valve capable of stopping water flow

Info

Publication number: CN212616547U
Application number: CN202020765607.XU
Authority: CN
Inventors: 龙绍伦
Original assignee: Individual
Current assignee: Karamay Baijian'an Petroleum Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-02-26
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a can end check valve of rivers, including violently managing, the inner wall fixedly connected with connecting plate of violently managing, the return valve hole has been seted up at the top of connecting plate, the fixed intercommunication in top of violently managing has square pipe, the top of square pipe is run through and is provided with the threaded rod, the bottom of threaded rod runs through to the inner chamber of square pipe and has first square plate through bearing swing joint, threaded rod and square pipe threaded connection, the bottom fixedly connected with spring of first square plate. The utility model provides a current check valve do not possess function by end basically, can't play the effect of safety isolation, all be generally that installation check valve and stop valve combination use simultaneously on a pipeline, though can play the effect of safety isolation, but the resistance is big, and the leakproofness is poor when closing to can not filter the impurity in the rivers in the pipeline, people drink the problem that unfiltered back water can influence healthy for a long time.

Description

Check valve capable of stopping water flow

Technical Field

The utility model relates to a check valve technical field specifically is a can end check valve of rivers.

Background

The check valve is a valve whose opening and closing member is a circular valve flap and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve flap motion mode is divided into lift type and swing type, the lift type check valve is similar to the structure of the stop valve, only lacks a valve rod for driving the valve flap, medium flows in from an inlet end and flows out from an outlet end, when the inlet pressure is greater than the sum of the weight of the valve flap and flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards, the swing type check valve has a valve flap which is obliquely arranged and can rotate around a shaft, the working principle is similar to that of the lift type check valve, the check valve is commonly used as a bottom valve of a pumping device and can block the backflow of water, but the existing check valve basically has no stopping function and cannot play a role of safety isolation, and usually a pipeline is simultaneously, although the water purifier can play a role in safety isolation, the water purifier has large resistance and poor sealing performance when closed, impurities in water flow in a pipeline cannot be filtered, and the health of people can be influenced after people drink unfiltered water for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can end check valve of rivers, possess and end, the leakproofness is good and filterable advantage, solved current check valve and did not possess the function by end basically, can't play the effect of safety isolation, it uses with the stop valve combination to install the check valve on a pipeline simultaneously usually, though can play the effect of safety isolation, but the resistance is big, the leakproofness is poor when closing, and can not filter the impurity in the rivers in the pipeline, people drink the problem that unfiltered back water can influence healthy for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve capable of stopping water flow comprises a transverse pipe, wherein a connecting plate is fixedly connected to the inner wall of the transverse pipe, a return valve hole is formed in the top of the connecting plate, the top of the transverse pipe is fixedly communicated with a square pipe, a threaded rod is arranged at the top of the square pipe in a penetrating mode, the bottom of the threaded rod penetrates through the inner cavity of the square pipe and is movably connected with a first square plate through a bearing, the threaded rod is in threaded connection with the square pipe, a spring is fixedly connected with the bottom of the first square plate, a second square plate is fixedly connected with the bottom of the spring, a vertical rod is fixedly connected with the bottom of the second square plate, a sleeve is movably sleeved at the bottom of the surface of the vertical rod, the bottom of the sleeve extends to the inner cavity of the transverse pipe and is fixedly connected with a check valve block, the bottom of the check valve block penetrates through, the utility model discloses a safety protection device for a metal pipe, including montant, the top of sleeve pipe inner chamber both sides is equipped with the sealing washer, the equal fixedly connected with guide block in top of sleeve pipe inner chamber both sides, the guide block is kept away from sheathed tube one side and is extended to the inner chamber of guide way, the fixed cover in top on montant surface is equipped with the sealing washer, four sides of sealing washer all with the inner wall contact of side's pipe, the top fixedly connected with hand wheel of threaded rod, there is filter plate the bottom of connecting plate through bolt swing joint, the fixed intercommunication in bottom of violently managing has the blow off pipe, there is.

Preferably, the surfaces of the two ends of the transverse pipe are fixedly sleeved with mounting plates, and mounting holes are formed in the right side of each mounting plate.

Preferably, the front surface of the sewage draining pipe is fixedly connected with an observation window, and the observation window is circular.

Preferably, a bearing is arranged between the threaded rod and the first square plate, and the bearing is sleeved on the surface of the threaded rod.

Preferably, four sides of the first square plate and the second square plate are in contact with the inner wall of the square pipe, and the surface of the guide block is in sliding connection with the inner wall of the guide groove.

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

1. the utility model discloses a violently manage, the connecting plate, return the valve opening, square pipe, the threaded rod, first square plate, a spring, the second square plate, the montant, the sleeve pipe, the check valve piece, the rubber pad, the guide way, the guide block, the sealing washer, the hand wheel, filter plate, blow off pipe and fixed plate cooperate, possess and end, the leakproofness is good and filterable advantage, it does not possess function that ends basically to have solved current check valve, can't play safety isolation's effect, it uses with the stop valve combination to all install check valve and stop valve combination simultaneously on the pipeline usually, though can play safety isolation's effect, but the resistance is big, leakproofness is poor when closing, and can not filter the impurity in the rivers in the pipeline, people drink the problem that unfiltered back water can influence healthy for a long time.

2. The utility model discloses a set up mounting panel and mounting hole, install between check valve and the pipeline, through setting up the observation window, be convenient for observe the granule impurity of collecting in the blow-off pipe, in time discharge through the blow-off pipe, through setting up the bearing, fix first square, do not receive threaded rod pivoted influence when making first square reciprocate simultaneously, through setting up guide way and guide block, lead to the sleeve pipe, prevent sheathed tube rotation, avoid the rotation of check valve piece simultaneously.

Drawings

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

FIG. 2 is a right side view of the structure of the present invention;

fig. 3 is a schematic view of the front view structure of the present invention.

In the figure: the device comprises a transverse pipe 1, a connecting plate 2, a return valve hole 3, a square pipe 4, a threaded rod 5, a first square plate 6, a spring 7, a second square plate 8, a vertical rod 9, a sleeve 10, a check valve block 11, a rubber pad 12, a guide groove 13, a guide block 14, a seal ring 15, a hand wheel 16, a filter screen plate 17, a sewage discharge pipe 18, a fixing plate 19, a mounting plate 20, a mounting hole 21 and an observation window 22.

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. 1-3, a check valve capable of stopping water flow comprises a transverse pipe 1, a connecting plate 2 is fixedly connected to the inner wall of the transverse pipe 1, a return valve hole 3 is formed in the top of the connecting plate 2, the top of the transverse pipe 1 is fixedly communicated with a square pipe 4, a threaded rod 5 is arranged on the top of the square pipe 4 in a penetrating manner, the bottom of the threaded rod 5 penetrates through the inner cavity of the square pipe 4 and is movably connected with a first square plate 6 through a bearing, the threaded rod 5 is in threaded connection with the square pipe 4, a spring 7 is fixedly connected to the bottom of the first square plate 6, a second square plate 8 is fixedly connected to the bottom of the spring 7, a vertical rod 9 is fixedly connected to the bottom of the second square plate 8, a sleeve 10 is movably sleeved on the bottom of the surface of the vertical rod 9, the bottom of the sleeve 10 extends to the inner cavity of the transverse pipe 1 and, the surface of a check valve block 11 is fixedly sleeved with a rubber pad 12, two sides of a vertical rod 9 are respectively provided with a guide groove 13, the tops of two sides of an inner cavity of a sleeve 10 are respectively and fixedly connected with a guide block 14, one side of the guide block 14, which is far away from the sleeve 10, extends to the inner cavity of the guide groove 13, the top of the surface of the vertical rod 9 is fixedly sleeved with a sealing ring 15, four sides of the sealing ring 15 are respectively contacted with the inner wall of a square tube 4, the top of a threaded rod 5 is fixedly connected with a hand wheel 16, the bottom of a connecting plate 2 is movably connected with a filter screen plate 17 through a bolt, the bottom of a transverse tube 1 is fixedly communicated with a drain pipe 18, the bottom of the drain pipe 18 is movably connected with a fixing plate 19 through a bolt, the surfaces of two ends of the transverse tube 1 are respectively and fixedly sleeved with a mounting plate 20, the shape of observation window 22 is circular, through setting up observation window 22, be convenient for observe the granule impurity of collecting in the blow off pipe 18, in time discharge through blow off pipe 18, be provided with the bearing between threaded rod 5 and the first square plate 6, the bearing housing is established on the surface of threaded rod 5, through setting up the bearing, fix first square plate 6, make first square plate 6 not receive the influence of threaded rod 5 pivoted when reciprocating simultaneously, four sides of first square plate 6 and second square plate 8 all contact with the inner wall of square pipe 4, the surface of guide block 14 and the inner wall sliding connection of guide way 13, through setting up guide way 13 and guide block 14, guide sleeve pipe 10, prevent the rotation of sleeve pipe 10, avoid the rotation of check valve piece 11 simultaneously, through violently managing 1, connecting plate 2, return valve hole 3, square pipe 4, threaded rod 5, first square plate 6, spring 7, second square plate 8, montant 9, Sleeve pipe 10, check valve piece 11, rubber pad 12, guide way 13, guide block 14, sealing washer 15, hand wheel 16, filter plate 17, blow off pipe 18 and fixed plate 19 cooperate, possess and end, the leakproofness is good and filterable advantage, it does not have the function of ending basically to have solved current check valve, can't play the effect of safety isolation, it uses with the stop valve combination to all be installation check valve on a pipeline simultaneously usually, though can play the effect of safety isolation, but the resistance is big, the leakproofness is poor when closing, and can not filter the impurity in the rivers in the pipeline, people drink the problem that unfiltered back water can influence healthy for a long time.

When the anti-backflow device is used, water flows through the transverse pipe 1 from the left end to the right end, the check valve block 11 moves upwards due to the pressure of the water flow, the sleeve pipe 10 and the guide block 14 are driven to move upwards, the top of the check valve block 11 is in contact with the bottom of the vertical rod 9, a channel is formed, the water flows from left to right, the water flows are filtered through the filter screen plate 17, a large amount of impurities filtered for a long time are settled in the drain pipe 18, when the water flows from right to left, the check valve block 11 moves downwards, the sleeve pipe 10 and the guide block 14 are driven to move upwards, the rubber pads 12 on the check valve block 11 and the check valve block 11 block plug the return valve hole 3, so that check is carried out, when the flowing water flow needs to be stopped, the hand wheel 16 is rotated forwards by hand, the forward rotation of the hand wheel 16 drives the forward rotation of the threaded rod 5, the forward rotation of the threaded rod 5 drives the threaded rod and the first square, the downward movement of the first square plate 6 drives the downward movement of the spring 7, the second square plate 8, the vertical rod 9, the check valve block 11 and the sleeve 10, so that the rubber pads 12 on the check valve block 11 and the check valve block 11 block the return valve hole 3, the check valve is in a stop state, the hand wheel 16 continues to be rotated in the forward direction, the spring 7 is compressed, the rubber pads 12 on the check valve block 11 and the check valve block 11 are more closely attached to the connecting plate 2, the rubber pads 12 are closely attached to the connecting plate 2 at any moment due to the elastic force generated after the compression of the spring 7, the sealing performance is better, when the stop is not required, the hand wheel 16 is rotated in the reverse direction by hand, the reverse rotation of the hand wheel 16 drives the reverse rotation of the threaded rod 5, the reverse rotation of the threaded rod 5 drives the upward movement of the threaded rod 5 and the first square plate 6, the upward movement of the first square plate 6 drives the upward movement of the spring, reach the effect of check valve, convenient operation observes the volume that impurity was collected in the blow off pipe 18 through observation window 22, when needing to discharge, dismantles the bolt on the fixed plate 19, takes off fixed plate 19 from blow off pipe 18, can discharge the impurity of collecting through blow off pipe 18.

All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.

In summary, the following steps: this check valve that can end rivers, through violently managing 1, connecting plate 2, return valve hole 3, square pipe 4, threaded rod 5, first square plate 6, spring 7, second square plate 8, montant 9, sleeve pipe 10, check valve piece 11, rubber pad 12, guide way 13, guide block 14, sealing washer 15, hand wheel 16, filter plate 17, blow off pipe 18 and fixed plate 19 cooperate, it does not have the function of ending basically to have solved current check valve, can't play the effect of safety isolation, it uses with the stop valve combination to install the check valve on a pipeline simultaneously usually, though can play the effect of safety isolation, but the resistance is big, leakproofness is poor when closing, and can not filter the impurity in the rivers in the pipeline, people drink the problem that unfiltered back water can influence healthy for a long time.

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. Check valve capable of stopping water flow, comprising a transverse pipe (1), characterized in that: the inner wall of the transverse pipe (1) is fixedly connected with a connecting plate (2), a return valve hole (3) is formed in the top of the connecting plate (2), the top of the transverse pipe (1) is fixedly communicated with a square pipe (4), a threaded rod (5) penetrates through the top of the square pipe (4), the bottom of the threaded rod (5) penetrates through the inner cavity of the square pipe (4) and is movably connected with a first square plate (6) through a bearing, the threaded rod (5) is in threaded connection with the square pipe (4), a spring (7) is fixedly connected with the bottom of the first square plate (6), a second square plate (8) is fixedly connected with the bottom of the spring (7), a vertical rod (9) is fixedly connected with the bottom of the second square plate (8), a sleeve (10) is sleeved on the bottom of the surface of the vertical rod (9), the bottom of the sleeve (10) extends to the inner cavity of the transverse pipe (1) and is fixedly, the bottom of the check valve block (11) penetrates through the inner cavity of the return valve hole (3) and extends to the bottom of the connecting plate (2), a rubber pad (12) is fixedly sleeved on the surface of the check valve block (11), guide grooves (13) are formed in the two sides of the vertical rod (9), guide blocks (14) are fixedly connected to the tops of the two sides of the inner cavity of the sleeve (10), one side, far away from the sleeve (10), of each guide block (14) extends to the inner cavity of each guide groove (13), a sealing ring (15) is fixedly sleeved on the top of the surface of the vertical rod (9), the four sides of each sealing ring (15) are in contact with the inner wall of the square pipe (4), a hand wheel (16) is fixedly connected to the top of the threaded rod (5), the bottom of the connecting plate (2) is movably connected with a filter screen plate (17) through bolts, and the bottom of the transverse, the bottom of the sewage draining pipe (18) is movably connected with a fixing plate (19) through a bolt.

2. A check valve for shutting off water flow as claimed in claim 1, wherein: the surface at both ends of the transverse pipe (1) is fixedly sleeved with a mounting plate (20), and the right side of the mounting plate (20) is provided with a mounting hole (21).

3. A check valve for shutting off water flow as claimed in claim 1, wherein: the front of the sewage draining pipe (18) is fixedly connected with an observation window (22), and the observation window (22) is circular.

4. A check valve for shutting off water flow as claimed in claim 1, wherein: a bearing is arranged between the threaded rod (5) and the first square plate (6), and the bearing is sleeved on the surface of the threaded rod (5).

5. A check valve for shutting off water flow as claimed in claim 1, wherein: the four sides of the first square plate (6) and the second square plate (8) are in contact with the inner wall of the square pipe (4), and the surface of the guide block (14) is in sliding connection with the inner wall of the guide groove (13).