CN213809034U - Water-proof ball-blocking valve - Google Patents

Abstract

The utility model relates to a waterproof ball valve that blocks up, it includes the valve body, the valve rod and locate the valve ball in the runner of valve body, shutoff piece and support, the valve rod rotationally wears to locate on the valve body, the valve ball is connected with the valve rod and can rotates thereupon, the inner wall of valve body has annular boss, boss and support set gradually along the direction from the air inlet of valve body to the gas outlet of valve body, the shutoff piece is worn to locate on the support and can be followed the extending direction slip of runner, the shutoff piece can slide between primary importance and second place, the primary importance is the shutoff piece butt in the boss and plug up the drill way that the boss encloses, the second place is shutoff piece and boss phase separation. Based on above-mentioned structure, this waterproof stifled valve has the function of switching valve door and waterproof stifled function simultaneously, and the integrated level is higher, need not to install waterproof stifled valve and switching valve respectively during the installation, and is more simple convenient, and the efficiency of installation is higher, and is difficult for producing gas leakage.

Description

Water-proof ball-blocking valve

Technical Field

The utility model relates to a gas pipeline equipment technical field especially relates to a waterproof stifled ball valve.

Background

The application and popularization of the pipeline natural gas bring great convenience and benefit to people, and meanwhile, the safety and reliability of the pipeline natural gas are more and more valued by people. In the process of installing the gas pipeline and the valve, due to the fact that the variety of equipment parts is large, people can easily connect the gas pipeline in a wrong mode on a water outlet of the water heater, the pressure in the tap water pipeline is far greater than the pressure in the gas pipeline, tap water is extremely prone to flowing back into the gas pipeline after the gas pipeline is connected in a wrong mode, and serious accidents of large-area gas supply interruption are caused.

In order to prevent the running water from flowing backwards, people usually install a water-blocking-proof valve on the gas pipeline, and the valve is used for blocking the pipeline when the running water flows backwards. The existing waterproof blocking valve is mostly a vertical valve, the blocking piece moves up and down to block the pipeline through elasticity or buoyancy, when the waterproof blocking valve is installed obliquely or transversely, the blocking effect is greatly weakened, and leakage is easily caused; in addition, the existing water blocking prevention valve is generally arranged in front of and behind a switch valve of a gas pipeline, the integration level is low, the switch valve and the water blocking prevention valve need to be respectively arranged, the installation is troublesome, and the joint of the water blocking prevention valve and the switch valve is easy to generate air leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof stifled ball valve that the integrated level is high, simple to operate, be difficult for revealing, the shutoff is effectual.

In order to realize the above object, the utility model provides a waterproof ball valve that blocks up, it includes valve body, valve rod and locates valve ball, shutoff piece and support in the runner of valve body, the valve rod rotationally wears to locate on the valve body, the valve ball with the valve rod is connected and can rotates thereupon, the inner wall of valve body has annular boss, the boss with the support is followed the air inlet of valve body extremely the direction of the gas outlet of valve body sets gradually, the shutoff piece wears to locate on the support and can follow the extending direction of runner slides, the shutoff piece can slide between primary importance and second place, the primary importance be the shutoff piece butt in the boss is plugged up the drill way that the boss encloses, the second place be the shutoff piece with the boss phase separation.

In some embodiments of this application, the shutoff piece include the guide bar and connect in the end cap of guide bar one end, the support is equipped with the through-hole, wear to locate in the through-hole slidable the guide bar, the end cap is located the boss with between the support, work as the shutoff piece is in when the first position, the end cap butt in the boss is stopped up the drill way, works as the shutoff piece is in when the second position, the end cap with the boss phase separation.

In some embodiments of the present application, a side surface of the plug facing the boss is an arc surface.

In some embodiments of the present application, a side surface of the plug facing away from the boss is a plane.

In some embodiments of the present application, the second position is where the plug abuts against the bracket.

In some embodiments of the present application, the bracket includes a ring portion having the through hole and a plurality of rod portions distributed along a circumferential direction of the ring portion and connecting an outer wall of the ring portion and an inner wall of the valve body.

In some embodiments of the present application, the number of the rod portions is four, and the four rod portions are uniformly distributed along the circumferential direction of the ring portion.

In some embodiments of the present application, the boss is disposed proximate to an air inlet of the valve body, and the blocking member and the bracket are both located between the boss and the valve ball.

In some embodiments of the present application, the valve further comprises an operating handle disposed outside the valve body and connected to the valve stem.

The utility model provides a waterproof stifled ball valve compares with prior art, and its beneficial effect lies in:

the utility model provides a waterproof stifled ball valve includes the valve body, the valve ball in the runner of valve body and locating the valve body, shutoff piece and support, the valve rod rotationally wears to locate on the valve body, the valve ball is connected with the valve rod and can rotates thereupon, the inner wall of valve body has annular boss, boss and support set gradually along the direction from the air inlet of valve body to the gas outlet of valve body, the shutoff piece wears to locate on the support and can follow the extending direction slip of runner, the shutoff piece can slide between primary importance and second place, primary importance is the shutoff piece butt in the boss and plug up the drill way that the boss encloses, the second place is shutoff piece and boss phase separation. Based on above-mentioned structure, when normal air feed, the gas flows into the valve body from the air inlet of valve body to promote the shutoff piece to slide towards the second position, and the gas can normally circulate this moment, when the running water flows backward, because the pressure of running water is greater than the pressure of gas, the running water flows into the valve body from the gas outlet of valve body, and promotes the shutoff piece and slides towards the first position, until making the shutoff piece reach the first position, the orifice is plugged up to the shutoff piece this moment, thereby can realize preventing that the running water from further flowing backward. The sliding of the plugging piece is mainly pushed by a fluid medium in the valve body, and the plugging effect of the plugging piece is not influenced by oblique or transverse installation, so that the plugging effect of the waterproof plugging valve is better, and the leakage is not easy to cause; in addition, the valve ball can rotate along with the valve rod, so that the waterproof ball-blocking valve can be opened and closed, the supply of fuel gas is controlled, namely, the waterproof ball-blocking valve has the functions of opening and closing the valve and preventing water blocking, the integration level is high, the waterproof ball-blocking valve and the switch valve are not required to be installed respectively during installation, the waterproof ball-blocking valve is simple and convenient to use, the installation efficiency is high, and air leakage is not easy to generate.

Drawings

Fig. 1 is a cross-sectional view of a waterproof ball-check valve according to an embodiment of the present invention when the blocking member is in a first position;

fig. 2 is a cross-sectional view of the waterproof ball-plugging valve according to the embodiment of the present invention when the plugging member is in the second position.

Fig. 3 is a partial sectional view of the waterproof ball valve of the embodiment of the present invention without a plug.

In the figure: 1. a valve body; 11. a boss; 12. an orifice; 13. an air inlet; 14. an air outlet; 2. a valve stem; 3. a valve ball; 4. a blocking member; 41. a guide bar; 42. a plug; 5. a support; 51. a through hole; 52. a ring portion; 53. a rod portion; 6. an operating handle.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 and 2, the embodiment of the utility model provides a waterproof ball valve that blocks up, it includes valve body 1, valve rod 2 and locate valve ball 3 in the runner of valve body 1, shutoff 4 and support 5, valve rod 2 rotationally wears to locate on valve body 1, valve ball 3 is connected with valve rod 2 and can rotates thereupon, the inner wall of valve body 1 has annular boss 11, boss 11 and support 5 set gradually along the direction from the air inlet 13 of valve body 1 to the gas outlet 14 of valve body 1, shutoff 4 wears to locate on support 5 and can slide along the extending direction of runner, shutoff 4 can slide between first position and second position, first position is 4 butt of shutoff in boss 11 and stops up the drill way 12 that the boss 11 encloses, the second position is 4 and 11 phase separations of boss.

Based on above-mentioned structure, when normal air feed, the gas flows into valve body 1 from air inlet 13 of valve body 1 to promote shutoff piece 4 to slide towards the second position, the gas can normally circulate this moment, when the running water flows backward, because the pressure of running water is greater than the pressure of gas, the running water flows into valve body 1 from gas outlet 14 of valve body 1, and promote shutoff piece 4 to slide towards the first position, until making shutoff piece 4 reach the first position, orifice 12 is plugged up to shutoff piece 4 this moment, thereby can realize preventing that the running water from further flowing backward. The sliding of the plugging piece 4 is mainly pushed by the fluid medium in the valve body 1, and the oblique or transverse installation does not affect the plugging effect, so that the plugging effect of the waterproof plugging valve is better, and the leakage is not easy to cause; in addition, the valve ball 3 can rotate along with the valve rod 2, so that the waterproof ball valve can be opened and closed, the supply of fuel gas is controlled, namely, the waterproof ball valve has the functions of opening and closing the valve and preventing water blockage, the integration level is high, the waterproof ball valve and the waterproof ball valve are not required to be installed respectively during installation, the installation is simpler and more convenient, the installation efficiency is high, and air leakage is not easy to generate.

Alternatively, as shown in fig. 1, in the present embodiment, the blocking member 4 includes a guide rod 41 and a plug 42 connected to one end of the guide rod 41, the support 5 is provided with a through hole 51, the guide rod 41 is slidably disposed through the through hole 51, the plug 42 is located between the boss 11 and the support 5, when the blocking member 4 is in the first position, the plug 42 abuts against the boss 11 and blocks the orifice 12, and when the blocking member 4 is in the second position, the plug 42 is separated from the boss 11. Thus, the guide rod 41 plays a guiding role, so that the plug 42 can accurately plug the orifice 12, and the running water can be prevented from flowing backwards. It is emphasized that the total length of the blocking member 4 is greater than the distance between the boss 11 and the bracket 5, so that the guide rod 41 is always inserted into the through hole 51, preventing the guide rod 41 from being disengaged from the bracket 5.

Optionally, as shown in fig. 2, in the present embodiment, the second position is that the plug 42 abuts against the bracket 5. So, support 5 restriction end cap 42 has further deviated from boss 11 and has slided, has played spacing effect, and when the running water was backward flowed, the speed that end cap 42 slided to the first position was faster.

Alternatively, as shown in fig. 1, in the present embodiment, a side surface of the plug 42 facing the boss 11 is a curved surface, a radius of the hole 12 is smaller than a radius of the plug 42, and a radius of the plug 42 is smaller than a radius of an inner wall of the valve body 1. Based on this, end cap 42 and boss 11 phase-match, when shutoff piece 4 was in the first position, end cap 42 can block up drill way 12 completely, has improved the effect of shutoff. In addition, when the gas is supplied normally, the resistance of the gas flowing through the arc surface of the plug 42 is smaller, so that the gas can flow through the gap between the plug 42 and the flow channel more easily, and the gas conveying efficiency is improved.

Optionally, as shown in fig. 1, in this embodiment, a side surface of the plug 42 facing away from the boss 11 is a plane. Therefore, when tap water impacts the plug 42, the plug 42 is easier to push, the moving speed of the plugging piece 4 is increased, and the plugging piece 4 can plug the orifice 12 in time. In addition, the plug 42 can be well attached to the bracket 5 when abutting against the bracket 5, and is not easy to shake.

Alternatively, as shown in fig. 2 and 3, in the present embodiment, the bracket 5 includes a ring portion 52 and a plurality of rod portions 53, the ring portion 52 has a through hole 51, and the plurality of rod portions 53 are distributed along a circumferential direction of the ring portion 52 and connect an outer wall of the ring portion 52 and an inner wall of the valve body 1. In this way, the stem 53 can abut against the plug 42, limiting the further sliding of the closure element 4 towards the ball 3 after reaching the second position. The large space between the rods 53 facilitates the rapid flow of the gas through the block piece 4 and the bracket 5.

Alternatively, as shown in fig. 3, in the present embodiment, the number of the rod portions 53 is four, and the four rod portions 53 are uniformly distributed along the circumferential direction of the ring portion 52. In this way, the connection between the bracket 5 and the valve body 1 is more stable, and the rod 53 can abut against the plug 42 more stably.

Alternatively, as shown in fig. 1, in the present embodiment, the boss 11 is disposed near the air inlet 13 of the valve body 1, and the blocking member 4 and the support 5 are both located between the boss 11 and the valve ball 3. Based on this, the blocking piece 4 and the valve ball 3 are not easy to interfere with each other, and the blocking piece 4 is prevented from losing efficacy. In addition, the position of the blocking piece 4 and the bracket 5 is favorably and reasonably arranged at the position of the boss 11 close to the air inlet 13 of the valve body 1, so that the volume of the waterproof blocking ball valve is smaller.

Optionally, as shown in fig. 1, in this embodiment, the water blocking ball valve further includes an operation handle 6, and the operation handle 6 is disposed outside the valve body 1 and connected to the valve stem 2. So, only need stir operation handle 6, valve rod 2 can drive valve ball 3 and rotate for the switching of waterproof stifled ball valve is more convenient.

The embodiment of the utility model provides a working process of waterproof stifled ball valve does: when normal air feed, the gas flows along the direction from the air inlet 13 to the air outlet 14 of the valve body 1 to promote the plugging piece 4 to slide towards the second position, at the moment, the gas can normally circulate, when running water flows backwards, because the pressure of running water is greater than the pressure of the gas, the running water promotes the plugging piece 4 to reversely slide towards the first position along the direction from the air outlet 14 to the air inlet 13 of the valve body 1 until the plugging piece 4 reaches the first position, at the moment, the plugging piece 4 plugs the orifice 12, and plugging is completed.

To sum up, the embodiment of the utility model provides a waterproof ball valve that blocks up, it is mainly by valve body 1, valve rod 2 and locate valve ball 3 in valve body 1's the runner, shutoff 4 and support 5 constitute, valve rod 2 rotationally wears to locate on valve body 1, valve ball 3 is connected with valve rod 2 and can rotates thereupon, valve body 1's inner wall has annular boss 11, boss 11 and support 5 set gradually along the direction from valve body 1's air inlet 13 to valve body 1's gas outlet 14, shutoff 4 wears to locate on support 5 and can slide along the extending direction of runner, shutoff 4 can slide between primary importance and secondary importance, primary importance is orifice 12 that shutoff 4 butt encloses in boss 11 and boss 11, the secondary importance is shutoff 4 and the 11 phase separations of boss. Compared with the prior art, the waterproof ball-plugging valve has the advantages of high integration level, convenience in installation, difficulty in leakage, good plugging effect and the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a waterproof ball blocking valve, its characterized in that includes valve body, valve rod and locates valve ball, shutoff piece and the support in the runner of valve body, the valve rod rotationally wears to locate on the valve body, the valve ball with the valve rod is connected and can rotate thereupon, the inner wall of valve body has annular boss, the boss with the support sets gradually along the direction from the air inlet of valve body to the gas outlet of valve body, the shutoff piece wears to locate on the support and can follow the extending direction of runner slides, the shutoff piece can slide between first position and second position, first position be the shutoff piece butt in the boss plugs up the drill way that the boss encloses, the second position be the shutoff piece with the boss phase separation.

2. The waterproof ball-plugging valve according to claim 1, wherein the plugging member comprises a guide rod and a plug connected to one end of the guide rod, the support is provided with a through hole, the guide rod is slidably disposed in the through hole, the plug is located between the boss and the support, when the plugging member is in the first position, the plug abuts against the boss and blocks the orifice, and when the plugging member is in the second position, the plug is separated from the boss.

3. The waterproof ball-plugging valve as recited in claim 2, wherein a side surface of the plug facing the boss is a curved surface.

4. The waterproof ball-plugging valve according to claim 2, wherein a surface of the plug facing away from the boss is a flat surface.

5. The watertight globe valve in accordance with claim 2, wherein the second position is the plug abutting the bracket.

6. The water and ball blocking resistant valve according to claim 2, wherein said support comprises a ring portion having said through hole and a plurality of rod portions distributed along a circumferential direction of said ring portion and connecting an outer wall of said ring portion and an inner wall of said valve body.

7. The watertight ball-plugging valve as recited in claim 6, wherein said number of said rod portions is four, and said four rod portions are uniformly distributed along a circumferential direction of said ring portion.

8. The water resistant globe valve of claim 1 wherein the boss is disposed proximate to the air inlet of the valve body, and the closure and the bracket are both positioned between the boss and the valve globe.

9. The water resistant globe valve of claim 1 further comprising an operating handle disposed outside the valve body and coupled to the valve stem.

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