CN209943570U

CN209943570U - Water supply and drainage valve

Info

Publication number: CN209943570U
Application number: CN201920210882.2U
Authority: CN
Inventors: 于占江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-01-14
Anticipated expiration: 2029-02-19

Abstract

The utility model discloses a water supply and drainage valve relates to valve technical field, and it includes left valve body, the right flank of left side valve body passes through the left surface fixed connection of bolt with right valve body, be provided with the case in the right side valve body, the left and right sides face of case overlap joint respectively at the opposite face of two disk seats, and two disk seats set up the left and right sides in right valve body intracavity respectively. This water supply and drainage valve, through setting up fixed stopper, ball and filter, when people rotated to the state of opening through the hand wheel control case, liquid can flow into right valve body from left valve body, under the effect that liquid flows, the ball can move the left surface of filter, make fixed stopper can circulate liquid, when people pass through hand wheel control case closure, liquid in the right valve body is when the backward flow, liquid can drive the ball card in fixed stopper, make the liquid of backward flow can not cause the injury to the case, the pressure that the case received has been reduced, thereby the life of valve has been guaranteed.

Description

Water supply and drainage valve

Technical Field

The utility model relates to the technical field of valves, specifically be a water supply and drainage valve.

Background

The water supply and drainage valve is commonly used in domestic water supply, fire-fighting systems and industrial water supply systems, and is also used for controlling flow, water level and the like. But current plumbing valve can't prevent the liquid backward flow, and most valves are reached through the rotatory closure of case, and the liquid backward flow can increase the pressure of case like this in the pipeline, reduces the life of valve, and the valve is at the in-process of long-time drainage simultaneously, and the leakproofness when the aquatic impurity can influence the case closure to it has brought inconvenience to use the valve for people.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a water supply and drainage valve has solved water supply and drainage valve and can't prevent the liquid reflux, and most valves are reached through the rotatory closure of case, and the liquid reflux can increase the pressure of case in the pipeline like this, reduces the life of valve, and the valve is at the in-process of long-time drainage simultaneously, and the impurity of aquatic can influence the leakproofness when the case is closed to use the valve to bring inconvenient problem for people.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a water supply and drainage valve, includes left valve body, the right flank of left side valve body passes through the left surface fixed connection of bolt with right valve body, be provided with the case in the right valve body, the left and right sides face of case overlap joint respectively at the opposite face of two disk seats, and two disk seats set up the left and right sides in right valve body intracavity respectively, the lower surface of case and the lower surface of right valve body inner wall contactless.

The upper surface of case fixedly connected with connecting rod, the left side of right side valve body upper surface is provided with rotary mechanism, the connecting rod is connected with rotary mechanism, rotary mechanism's top is provided with the hand wheel, the inside right side of right side valve body is provided with the fixed stopper, the inside right side of fixed stopper is provided with the ball, the inside right side of valve body is provided with the filter, the filter is located the right side of fixed stopper.

The upper surface of left side valve body is provided with the connecting pipe, be provided with the filter core in the connecting pipe, the lower surface joint of filtering the core is in the draw-in groove, the lower surface at left valve body inner wall is seted up to the draw-in groove, the upper surface of connecting pipe passes through flange fixed connection, and filters the upper surface overlap joint of filter core at the lower surface of flange.

Preferably, the valve core is spherical, a through hole is formed in the valve core, and the through hole is matched with the inner cavities of the left valve body and the right valve body.

Preferably, the valve seat is circular and is matched with the valve core.

Preferably, the periphery of the connecting rod is filled with waterproof materials.

Preferably, the shape of the fixed plug is cylindrical, and round platform-shaped through grooves are formed in the left side face and the right side face of the fixed plug.

Preferably, the round ball is made of rubber, and the diameter of the round ball is larger than the minimum diameter of the truncated cone-shaped through groove in the fixing plug.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this water supply and drainage valve, through setting up fixed stopper, ball and filter, when people rotated to the state of opening through the hand wheel control case, liquid can flow into right valve body from left valve body, under the effect that liquid flows, the ball can move the left surface of filter, make fixed stopper can circulate liquid, when people pass through hand wheel control case closure, liquid in the right valve body is when the backward flow, liquid can drive the ball card in fixed stopper, make the liquid of backward flow can not cause the injury to the case, the pressure that the case received has been reduced, thereby the life of valve has been guaranteed.

2. This water supply and drainage valve, through setting up the connecting pipe, crossing filter core, draw-in groove and flange, when liquid passes through left valve body flow direction right valve body, impurity in the liquid can be eliminated by crossing the filter core, has avoided aquatic impurity to block up the case to guaranteed that the case leakproofness can not descend when closed, people can be regular change filter core through dismantling the flange simultaneously, thereby give people and brought the convenience using the valve.

3. This water supply and drainage valve, through setting up the disk seat, the sealed effect of case and right valve body has been guaranteed, through setting up waterproof material, the leakproofness between connecting rod and right valve body and the rotary mechanism has been increased, the effect that prevents the liquid leakage has been reached, through the shape and the material that set up the ball, make the ball can be better jam the fixed plug, prevent the liquid reflux, through setting up the filter, make the ball can only move between fixed plug and filter, thereby the work that the ball can be normal has been guaranteed, the filter can not block the liquid circulation simultaneously.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

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

fig. 3 is an enlarged schematic structural view of part a of the present invention.

In the figure: 1 left valve body, 2 right valve bodies, 3 valve cores, 4 valve seats, 5 connecting rods, 6 rotating mechanisms, 7 hand wheels, 8 fixing plugs, 9 balls, 10 filter plates, 11 connecting pipes, 12 filter elements, 13 clamping grooves and 14 flanges.

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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a water supply and drainage valve, including left valve body 1, the left surface fixed connection of bolt and right valve body 2 is passed through to the right flank of left side valve body 1, be provided with case 3 in the right valve body 2, the shape of case 3 is spherical, and seted up the through-hole in case 3, and the through-hole and the inner chamber looks adaptation of left valve body 1 and right valve body 2, the left and right sides face of case 3 overlap joint respectively at the opposite face of two disk seats 4, and two disk seats 4 set up the left and right sides in the 2 cavities of right valve body respectively, the shape of disk seat 4 is ring shape, and

disk seat

4 and 3 looks adaptations of case, through setting up disk seat 4, the sealed effect of case 3 with right valve body 2 has been guaranteed, the lower surface of case 3 and the lower surface contactless.

The upper surface of the valve core 3 is fixedly connected with a connecting rod 5, the periphery of the connecting rod 5 is filled with waterproof materials, through the arrangement of the waterproof materials, the sealing performance between the connecting rod 5 and the right valve body 2 and the rotating mechanism 6 is improved, the effect of preventing liquid leakage is achieved, the left side of the upper surface of the right valve body 2 is provided with the rotating mechanism 6, the connecting rod 5 is connected with the rotating mechanism 6, a hand wheel 7 is arranged above the rotating mechanism 6, the right side inside the right valve body 2 is provided with a fixed plug 8, the fixed plug 8 is cylindrical, the left side surface and the right side surface of the fixed plug 8 are both provided with a circular table-shaped through groove, the right side inside the fixed plug 8 is provided with a round ball 9, the round ball 9 is made of rubber, the diameter of the round ball 9 is larger than the smallest diameter of the circular table-shaped through groove in the fixed plug 8, through the, prevent the liquid from flowing back, the right side inside the valve body is provided with the filter plate 10, through setting up the fixed plug 8, the ball 9 and the filter plate 10, when people control the valve core 3 to rotate to the open state through the hand wheel 7, the liquid can flow into the right valve body 2 from the left valve body 1, under the effect of the liquid flow, the ball 9 can move to the left side of the filter plate 10, make the fixed plug 8 can circulate the liquid, when people control the valve core 3 to close through the hand wheel 7, the liquid in the right valve body 2 can drive the ball 9 to be blocked in the fixed plug 8 when flowing back, make the liquid flowing back can not cause the injury to the valve core 3, reduce the pressure that the valve core 3 receives, thus has guaranteed the life of the valve, the filter plate 10 is located on the right side of the fixed plug 8, through setting up the filter plate 10, make the ball 9 can only move between the fixed plug 8 and the filter plate 10, thus has guaranteed that the, while the filter plate 10 does not obstruct the flow of liquid.

The upper surface of the left valve body 1 is provided with a connecting pipe 11, a filter element 12 is arranged in the connecting pipe 11, the lower surface of the filter element 12 is clamped in a clamping groove 13, the clamping groove 13 is arranged on the lower surface of the inner wall of the left valve body 1, the filter element 12 can be more stably fixed in the left valve body 1 by arranging the clamping groove 13, the upper surface of the connecting pipe 11 is fixedly connected through the flange 14, the upper surface of the filter element 12 is lapped on the lower surface of the flange 14, and by arranging the connecting pipe 11, the filter element 12, the clamping groove 13 and the flange 14, when the liquid flows to the right valve body 2 through the left valve body 1, the impurities in the liquid can be removed by the filter element 12, so that the valve core 3 is prevented from being blocked by the impurities in the water, therefore, the tightness of the valve core 3 is ensured not to be reduced when the valve core is closed, and meanwhile, the filter core 12 can be replaced regularly by people through disassembling the flange 14, so that convenience is brought to people in using the valve.

The utility model discloses an operating procedure does:

s1, when the valve core 3 is controlled to rotate to the open state by the hand wheel 7, liquid flows into the right valve body 2 from the left valve body 1, the round ball 9 moves to the left side surface of the filter plate 10 under the action of liquid flow, so that the fixed plug 8 can circulate the liquid, and in the process, the filter core 12 in the left valve body 1 can filter impurities in the liquid;

s2, when people control the valve core 3 to close through the hand wheel 7 and liquid in the right valve body 2 flows back, the liquid drives the ball 9 to be clamped in the fixed plug 8, so that the flowing back liquid cannot cause damage to the valve core 3;

s3, finally, by detaching the flange 14, one can replace the filter element 12 periodically, so that the filtering effect of the filter element 12 becomes better.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A water supply and drainage valve comprises a left valve body (1), and is characterized in that: the right side surface of the left valve body (1) is fixedly connected with the left side surface of the right valve body (2) through a bolt, a valve core (3) is arranged in the right valve body (2), the left side surface and the right side surface of the valve core (3) are respectively lapped on the opposite surfaces of the two valve seats (4), the two valve seats (4) are respectively arranged on the left side and the right side in the cavity of the right valve body (2), and the lower surface of the valve core (3) is not contacted with the lower surface of the inner wall of the right valve body (2);

the upper surface of the valve core (3) is fixedly connected with a connecting rod (5), the left side of the upper surface of the right valve body (2) is provided with a rotating mechanism (6), the connecting rod (5) is connected with the rotating mechanism (6), a hand wheel (7) is arranged above the rotating mechanism (6), the right side inside the right valve body (2) is provided with a fixed plug (8), the right side inside the fixed plug (8) is provided with a round ball (9), the right side inside the valve body is provided with a filter plate (10), and the filter plate (10) is positioned on the right side of the fixed plug (8);

the upper surface of left side valve body (1) is provided with connecting pipe (11), be provided with filter core (12) in connecting pipe (11), the lower surface joint of filtering core (12) is in draw-in groove (13), the lower surface at left side valve body (1) inner wall is seted up in draw-in groove (13), the upper surface of connecting pipe (11) passes through flange (14) fixed connection, and filters the upper surface overlap joint of filter core (12) at the lower surface of flange (14).

2. A water supply and drain valve as defined in claim 1, wherein: the valve core (3) is spherical, a through hole is formed in the valve core (3), and the through hole is matched with the inner cavities of the left valve body (1) and the right valve body (2).

3. A water supply and drain valve as defined in claim 1, wherein: the valve seat (4) is in a circular ring shape, and the valve seat (4) is matched with the valve core (3).

4. A water supply and drain valve as defined in claim 1, wherein: waterproof materials are filled around the connecting rod (5).

5. A water supply and drain valve as defined in claim 1, wherein: the shape of the fixed plug (8) is cylindrical, and round platform-shaped through grooves are formed in the left side face and the right side face of the fixed plug (8).

6. A water supply and drain valve as defined in claim 1, wherein: the round ball (9) is made of rubber, and the diameter of the round ball (9) is larger than the minimum diameter of the circular truncated cone-shaped through groove in the fixing plug (8).