CN201232765Y

CN201232765Y - Blowoff ball valve

Info

Publication number: CN201232765Y
Application number: CNU2008200884604U
Authority: CN
Inventors: 卓旦春
Original assignee: ZHEJIANG WOERDA COPPER INDUSTRY Co Ltd
Current assignee: ZHEJIANG WOERDA COPPER INDUSTRY Co Ltd
Priority date: 2008-06-02
Filing date: 2008-06-02
Publication date: 2009-05-06
Anticipated expiration: 2018-06-02

Abstract

The utility model provides a drain ball valve, belonging to the technical field of a valve. The drain ball valve resolves the problems that because the prior ball valve does not have the functions of sewage drainage and exhaust, a pipeline is blocked easily, hyperbaria happens easily too, and the like. The drain ball valve comprises a valve body, a handle, a valve rod and a ball core arranged in the valve body. One end of the valve rod is fixedly connected with the ball core and the other end penetrates through the valve body to be fixedly connected with the handle; a drainage pipe and an exhaust pipe which are communicated with the inside of the valve body are arranged on the side part of the valve body, and the shaft axis of the drainage pipe and the exhaust pipe is located on the same straight line; and the end opening of the exhaust pipe is provided an exhaust core. In the utility model, the exhaust pipe and the drainage pipe are arranged on the water inlet end of the valve body, so that gas or impurity in the pipeline can be discharged conveniently, thus preventing the hyperbaria of the pipeline or the pipeline from being blocked, and ensuring that the whole pipeline system runs safely; the shaft axis of the drainage pipe and the exhaust pipe is located on the same straight line, thus simplifying the fabrication technology of the drain ball valve and facilitating the manufacturing of the valve body.

Description

A kind of Blowoff ball valve

Technical field

The utility model belongs to valve technology field, relates to a kind of ball valve, particularly a kind of Blowoff ball valve.

Background technique

Ball valve has the function of blocking or connect flowing medium on pipeline, so be widely used in pipe-line system.

Daily common ball valve is made up of valve body, spool, valve rod and handle etc. usually, and spool is located in the valve body, and the inner of valve rod is connected with spool, and the outer end of valve rod passes valve body and links to each other with handle.

It is simple in structure, easily manufactured for the ball valve of this structure, but its fluid that is suitable in the common pipeline blocks or connect control.If apply it in the time of the pipe-line system of impurity deposition to occur after air pressure inside is used greatly or for a long time, above-mentioned ordinary ball valve can't be discharged the gas in the pipeline, also the impurity of deposition can't be discharged, so such ordinary ball valve can cause pipeline air pressure too high, cause pipeline to have danger, or because the impurity of deposition cause pipeline blockage or fluid obstructed.

Summary of the invention

The purpose of this utility model is to provide a kind of simple in structure, easy for installation and have a Blowoff ball valve of exhaust and dirt eliminating function at existing.

The purpose of this utility model can realize by following technical proposal: a kind of Blowoff ball valve, comprise valve body, handle, valve rod and be arranged on the interior ball core of valve body, one end and the ball core of valve rod are connected, the other end passes valve body and handle is connected, it is characterized in that, the sidepiece of described valve body is provided with drain pipe and the outlet pipe that communicates with valve inner, the shaft axis of described drain pipe and outlet pipe is on same the straight line, port at drain pipe is provided with plug, is provided with the exhaust core at the port of outlet pipe.

This Blowoff ball valve is when normal the use, and plug is blocked drain pipe, and the exhaust core is shut outlet pipe.When needing blowdown, the ball core is closed, unload the down blow plug, water washes away the impurity in the valve body from drain pipe.Need exhaust the time, the ball core is opened, and rotates the exhaust core, the gas in the water is discharged from outlet pipe.When installing, make drain pipe towards under, outlet pipe towards directly over, drain pipe and outlet pipe are on the same shaft core line.Impurity in the valve body is deposited on the bottom in the valve body, after the blowdown plug is opened, can successfully impurity be discharged.Be mixed in the top that is in water of the gas in the water, open the exhaust core after, gas at first expulsion valve is external, if there is water to discharge from outlet pipe, then can close the exhaust core.

In above-mentioned Blowoff ball valve, described outlet pipe and drain pipe all are arranged on the feed-water end place of valve body.The ball core will be closed in the time of blowdown, open plug, water can only flow out from drain pipe.

In above-mentioned Blowoff ball valve, described exhaust core comprises tubular core body and is arranged on the interior core bar of core body, the sidepiece of described core body is provided with relief opening, is being provided with the sealing configuration that when core bar is resisted against on the core body core body and core bar form sealing between core body and the core bar.When core body and core bar were in sealing state, the exhaust core was closed.Core bar breaks away from core body, and sealing does not exist, and gas is discharged from relief opening through outlet pipe.

In above-mentioned Blowoff ball valve, described sealing configuration comprises the bulge loop that is arranged on the core body inner side surface and is arranged on the sealing gasket of core bar the inner that the sealing pad can be resisted against on the bulge loop.Seal by bulge loop and sealing gasket.Also can adopt bulge loop and conical surface to seal.

In above-mentioned Blowoff ball valve, described core body one end is connected by screw thread with valve body, and above-mentioned core bar is inserted in the other end of core body and is connected by screw thread with core body.Rotate core bar and can allow core bar be resisted against on the core body or the disengaging core body, realize sealing and conducting between core bar and the core body.

In above-mentioned Blowoff ball valve, be provided with seal ring between described plug and the drain pipe.By being set, seal ring increases sealing between plug and the drain pipe.

In above-mentioned Blowoff ball valve, be provided with seal ring between described outlet pipe and the exhaust core.By the sealing of seal ring between increasing between outlet pipe and the exhaust core is set.

Compared with prior art, Blowoff ball valve of the present utility model has the following advantages:

1, on the feed-water end of valve body, has outlet pipe, by regulating the exhaust core in the outlet pipe, can easily the gas in the pipeline be discharged,, make whole pipe-line system running safer so this outlet pipe can make pipeline be transferred to work under the suitable pressure state.

2, when closing this ball valve, by the drain pipe on the feed-water end, can easily the impurity that is deposited in the pipeline be discharged, prevent pipeline blockage, make the fluid flow in the pipeline smooth and easy.

3, outlet pipe and drain pipe are arranged on the same straight line, outlet pipe is provided with vertically upward during installation, and drain pipe vertically downward, can prevent that not only outlet pipe is blocked, gas is discharged smoothly, simplified the manufacturing process of this Blowoff ball valve simultaneously, make things convenient for the valve body manufacturing.

Description of drawings

Fig. 1 is the structural representation of this Blowoff ball valve.

Fig. 2 is the structural representation of A-A among Fig. 1.

Fig. 3 is the structure for amplifying schematic representation at B place among Fig. 2.

Among the figure, valve body 1, feed-water end 11, handle 2, valve rod 3, ball core 4, drain pipe 5, outlet pipe 6, plug 7, seal ring 8, exhaust core 9, core body 91, core bar 92, relief opening 93, pad 10, bulge loop 94, sealing gasket 95.

Embodiment

Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.

As Fig. 1, Fig. 2 and shown in Figure 3, this Blowoff ball valve comprises valve body 1, handle 2, valve rod 3 and is arranged on ball core 4 in the valve body 1, and an end and the ball core 4 of valve rod 3 are connected, and the other end passes valve body 1 and handle 2 is connected.Drive valve rod 3 by rotatable handle 2 ball core 4 is rotated, open or closing state thereby ball valve is in.

Be provided with drain pipe 5 and the outlet pipe 6 that communicates with valve body 1 inside at feed-water end 11 places of valve body 1, wherein drain pipe 5 and outlet pipe 6 are on same the shaft axis, that is to say that the shaft axis of drain pipe 5 and outlet pipe 6 is on the same straight line.Simultaneously drain pipe 5 and outlet pipe 6 all with valve rod 3 vertical setting, handle 2 just can not run into drain pipe 5 and outlet pipe 6 when rotatable handle 2 manipulation ball valves switchings like this.

Port at drain pipe 5 is provided with plug 7, is provided with seal ring 8 between plug 7 and the drain pipe 5, thereby has strengthened the sealing of plug 7 and drain pipe 5.Port at outlet pipe 6 is provided with exhaust core 9, wherein equally also is provided with seal ring 8 between outlet pipe 6 and exhaust core 9.Seal ring 8 can prevent that current from infiltrating from plug 7 and outlet pipe 6, strengthened the sealing between outlet pipe 6 and the exhaust core 9 when ball valve.Between plug 7 and drain pipe 5, outlet pipe 6 and exhaust core 9, be equipped with pad 10.

Exhaust core 9 comprises tubular core body 91 and is arranged on core bar 92 in the core body 91, and core body 91 1 ends and valve body 1 are connected by screw thread, and core bar 92 is inserted in the other end of core body 91 and be connected by screw thread with core body 91.Sidepiece at core body 91 is provided with relief opening 93, is provided with sealing configuration between core body 91 and core bar 92, and sealing configuration comprises bulge loop 94 that is arranged on core body 91 inner side surfaces and the sealing gasket 95 that is arranged on core bar 92 the inners.When core bar 92 was resisted against on the core body 91, the sealing gasket 95 on the core bar 92 can be resisted against on the bulge loop 94 in the core body 91 and form sealing, just makes to form sealing between core bar 92 and the core body 91, and water just can not spill out from relief opening 93.

When this Blowoff ball valve is installed, make drain pipe 5 towards under, outlet pipe 6 towards directly over.In use, with plug 7 drain pipe 5 is stopped up earlier, water can not circulated from drain pipe 5, rotating core bar 92 simultaneously is resisted against on the bulge loop 94 in the core body 91 sealing gasket 95 on the core bar 92, make and form sealing between sealing gasket 95 and the bulge loop 94, just make sealing between core bar 92 and the core body 91, water just can not spill out from relief opening 93.In the time need carrying out exhaust to the water in the valve body 1 of flowing through, rotation core bar 92 makes sealing gasket 95 break away from bulge loop 94, thereby make conducting between core bar 92 and the core body 91, owing to be mixed in the top that is in water of the gas in the water, after exhaust core 9 was opened, gas can at first be discharged from outside the valve body 1, if there is water to discharge from outlet pipe 6, show that gas got rid of totally, then can close exhaust core 9.When the impurity in the needs eliminating valve body 1, earlier spool is closed, because the impurity in the valve body 1 is deposited on the bottom in the valve body 1, after blowdown plug 7 is opened, under the percussion of current, just can successfully impurity be excluded from drain pipe 5.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used terms such as valve body 1, feed-water end 11, handle 2, valve rod 3, ball core 4, drain pipe 5, outlet pipe 6, plug 7, seal ring 8, exhaust core 9, core body 91, core bar 92, relief opening 93, pad 10, bulge loop 94, sealing gasket 95 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1, a kind of Blowoff ball valve, comprise valve body (1), handle (2), valve rod (3) and be arranged on the interior ball core (4) of valve body (1), one end of valve rod (3) and ball core (4) are connected, the other end passes valve body (1) and is connected with handle (2), it is characterized in that, the sidepiece of described valve body (1) is provided with drain pipe (5) and the outlet pipe (6) that communicates with valve body (1) inside, the shaft axis of described drain pipe (5) and outlet pipe (6) is on same the straight line, port at drain pipe (5) is provided with plug (7), is provided with exhaust core (9) at the port of outlet pipe (6).

2, Blowoff ball valve according to claim 1 is characterized in that, described outlet pipe (6) and drain pipe (5) all are arranged on the feed-water end (11) of valve body (1) and locate.

3, Blowoff ball valve according to claim 2, it is characterized in that, described exhaust core (9) comprises tubular core body (91) and is arranged on the interior core bar (92) of core body (91), the sidepiece of described core body (91) is provided with relief opening (93), be provided with between core body (91) and the core bar (92) core bar (92) be resisted against core body (91) when going up core body (91) and core bar (92) form the sealing configuration that seals.

4, Blowoff ball valve according to claim 3, it is characterized in that, described sealing configuration comprises the bulge loop (94) that is arranged on core body (91) inner side surface and is arranged on the inner sealing gasket (95) of core bar (92) that sealing pad (95) can be resisted against on the bulge loop (94).

5, Blowoff ball valve according to claim 3 is characterized in that, described core body (91) one ends are connected by screw thread with valve body (1), and above-mentioned core bar (92) is inserted in the other end of core body (91) and is connected by screw thread with core body (91).

6, according to any described Blowoff ball valve of claim 1 to 5, it is characterized in that, be provided with seal ring (8) between described plug (7) and the drain pipe (5).

7, according to any described Blowoff ball valve of claim 1 to 5, it is characterized in that, be provided with seal ring (8) between described outlet pipe (6) and the exhaust core (9).