CN212273098U - Gate valve with exhaust function - Google Patents

Abstract

The utility model relates to the field of valves, in particular to a gate valve with an exhaust function; including upper portion open-ended gate valve body, gate valve body's opening part threaded connection has the valve gap, the central point of valve gap puts and is equipped with first through-hole, valve gap upper end rigid coupling has the boss, the central point of boss puts and is equipped with the second through-hole, wear to be equipped with the valve rod in the first through-hole, the upper end butt threaded rod of valve rod, the upper end of threaded rod is equipped with the hand wheel, the lower extreme of valve rod is connected with the valve plate of control switching perpendicularly, be equipped with two discharge valve on the gate valve body. The utility model discloses a set up two discharge valve on the gate valve body to set up discharge valve at the valve plate to the bilateral symmetry that liquid thing flows, can make the liquid thing through the flow chamber all can exhaust in the both sides of valve plate, the gas that the both sides of in time discharging valve plate are gathered has improved exhaust efficiency greatly, flows and control the exhaust structure that sets up as an organic whole, simple operation, labour saving and time saving with the control.

Description

Gate valve with exhaust function

Technical Field

The utility model relates to a valve field, in particular to take exhaust function's gate valve.

Background

The valve is an important control device for promoting the development of modern devices for transporting water, gas and flowing substances, in the prior art, when a pipeline transports liquid substances, a lot of gas can be accumulated inside the pipeline, the gas needs to be discharged regularly, an exhaust valve is generally arranged on the pipeline to clean the gas, the exhaust valve arranged on the pipeline is not in the same place with a gate valve, when the gate valve and the exhaust valve are arranged, two steps are needed, if a plurality of exhaust valves are needed to be arranged on a longer pipeline, the labor and the time are wasted, and in addition, the exhaust valves need to run back and forth during operation.

Therefore, a gate valve with an exhaust function is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take exhaust function's gate valve, this gate valve has the control and flows and control carminative advantage.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a take exhaust function's gate valve, includes upper portion open-ended gate valve body, the opening part threaded connection of gate valve body has the valve gap, the central point of valve gap puts and is equipped with first through-hole, valve gap upper end rigid coupling has the boss, the central point of boss puts and is equipped with the second through-hole, first through-hole and second through-hole are coaxial setting, wear to be equipped with the valve rod in the first through-hole, the upper end butt of valve rod has the threaded rod, threaded rod and second through-hole threaded connection, the upper end of threaded rod is equipped with the hand wheel, the lower extreme of valve rod is connected with the valve plate of control switching perpendicularly, the inside chamber that flows that is equipped with of gate valve body, be equipped with two discharge valve, every on the gate valve.

Specifically, a first sealing element is arranged at an opening at the upper part of the flow cavity, and the first sealing element is arranged between the flow cavity and the valve rod.

Specifically, the upper end of the gate valve body is further provided with a groove, a second sealing piece is arranged in the groove, and the second sealing piece is arranged between the gate valve body and the valve cover.

Specifically, the lower extreme both sides of gate valve body all are equipped with the internal thread that is used for being connected with the two-way pipe on the pipeline way in the external world, and every internal thread symmetry is established in the valve plate both sides.

Specifically, two sides of the flow cavity are symmetrically provided with two exhaust cavities respectively, the flow cavity is communicated with each exhaust cavity, and each exhaust cavity is in threaded connection with an exhaust valve.

Specifically, a third sealing element is further arranged between the exhaust valve and the exhaust cavity.

Specifically, the exhaust valve is a float exhaust valve.

The utility model has the advantages that: the utility model discloses a set up two discharge valves on the gate valve body to set up discharge valve at the valve plate to the bilateral symmetry that liquid flows, can make the liquid thing that passes through the flow chamber all can exhaust in the both sides of valve plate, discharge the gas that the both sides of valve plate are gathered in time, improved exhaust efficiency greatly, will control to flow and control to exhaust and set up as an organic whole structure, the simple operation, labour saving and time saving; through setting up first sealing member, second sealing member and third sealing member, can increase the leakproofness between flow chamber and the valve rod, between gate valve body and the valve gap and between discharge valve and the exhaust chamber, show and strengthen sealed effect, prolonged life.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Reference numerals: the valve comprises a hand wheel 1, a valve rod 2, a valve cover 3, a flow cavity 4, a gate valve body 5, a valve plate 6, a second sealing element 7, a first sealing element 8, an exhaust valve 9, a third sealing element 10, an exhaust cavity 11, a boss 12, a threaded rod 13, a second through hole 14 and a first through hole 15.

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 the attached figure 1, the gate valve with the exhaust function comprises a gate valve body 5 with an upper opening, a valve cover 3 is connected to the opening of the gate valve body 5 in a threaded manner, a first through hole 15 is arranged at the center of the valve cover 3, a boss 12 is fixedly connected at the upper end of the valve cover 3, a second through hole 14 is arranged at the center of the boss 12, the first through hole 15 and the second through hole 14 are coaxially arranged, the first through hole 15 is penetrated with a valve rod 2, the upper end of the valve rod 2 is connected with a threaded rod 13, the threaded rod 13 is in threaded connection with the second through hole 14, the upper end of the threaded rod 13 is provided with a hand wheel 1, the lower end of the valve rod 2 is vertically connected with a valve plate 6 for controlling the opening and closing, a flow cavity 4 is arranged inside the valve body 5 of the gate valve, two exhaust valves 9 are arranged on the gate valve body 5, each exhaust valve 9 is communicated with the flow cavity 4, and each exhaust valve 9 is symmetrically arranged on two sides of the valve plate 6; the utility model discloses a set up two discharge valve 9 on gate valve body 5 to set up discharge valve 9 to the bilateral symmetry that the liquid thing flows at valve plate 6, can be when pipeline transportation liquid thing, the gas that in time discharges inside gathering, will control to flow and control to exhaust and set up structure as an organic whole, the simple operation, labour saving and time saving.

Further, the utility model relates to a gate valve body 5 and 3 threaded connection of valve gap, be convenient for install, dismantle and change valve gap 3, convenient to use.

Specifically, a first sealing element 8 is arranged at an upper opening of the flow chamber 4, and the first sealing element 8 is arranged between the flow chamber 4 and the valve rod 2.

Further, the utility model relates to an upper portion opening part of flow chamber 4 is equipped with the ring channel, wherein, installs first sealing member 8 in the ring channel, and first sealing member 8 is O type structure, and first sealing member 8 is worn to establish by the lower extreme of valve rod 2 and flows chamber 4 and be connected to valve plate 6 that the lower extreme of valve rod 2 is connected perpendicularly sets up in flow chamber 4, and the middle part opening of first sealing member 8 and the 2 diameter phase-matchs of valve rod just in time can prevent the liquid thing at outflow gate valve body 5.

Specifically, 5 upper ends of gate valve body still are equipped with the recess, be equipped with second sealing member 7 in the recess, second sealing member 7 sets up between gate valve body 5 and valve gap 3.

Further, the utility model relates to a second sealing member 7 that sets up in the recess makes and seals between gate valve body 5 and the valve gap 3, further makes simultaneously between valve rod 2 and the valve gap 3 sealed, has improved the sealing performance of valve rod 2, gate valve body 5 and valve gap 3, increase of service life.

Specifically, the lower extreme both sides of gate valve body 5 all are equipped with the internal thread that is used for being connected with the two-way pipe on the external pipeline, and every internal thread symmetry is established in 6 both sides of valve plate.

Further, the utility model relates to a lower extreme both sides of gate valve body 5 are equipped with two intercommunication ends, and every intercommunication end all is equipped with the internal thread that is used for being connected with the two-way pipe on the external pipeline.

Further, the utility model relates to a gate valve body 5 and external pipeline threaded connection, be convenient for install, dismantle and change easy operation.

Specifically, two sides of the flow cavity 4 are symmetrically provided with two exhaust cavities 11 respectively, the flow cavity 4 is communicated with each exhaust cavity 11, and each exhaust cavity 11 is in threaded connection with the exhaust valve 9.

Further, the utility model relates to a threaded connection between exhaust chamber 11 and discharge valve 9, be convenient for installation, dismantlement and change easy operation.

Specifically, a third sealing element 10 is further arranged between the exhaust valve 9 and the exhaust cavity 11.

Further, the utility model relates to a third sealing member 10 cup joints in discharge valve 9 and the outside that the one end was connected in exhaust chamber 11, can make between discharge valve 9 and the exhaust chamber 11 sealed, increase of service life.

Further, the utility model relates to a gate valve body 5, valve gap 3, valve rod 2, hand wheel 1 and discharge valve 9 are stainless steel or brass material.

Further, the utility model relates to a first sealing member 8, second sealing member 7 and third sealing member 10 are O type structure, are rubber seal.

Specifically, the exhaust valve 9 is a float exhaust valve.

Further, the utility model relates to a float discharge valve includes but not limited to houniville automatic discharge valve, and this float discharge valve's theory of operation is: the utility model relates to an exhaust chamber 11 all sets up the upper portion all in flow chamber 4, can gather on discharge valve 9's upper portion when gaseous entering medium runner is interior, along with the increase of discharge valve 9 inside gas, pressure also grow thereupon, when gas pressure is greater than discharge valve 9 internal pressure, gas can make the liquid thing liquid level decline of discharge valve 9 inside, the float of discharge valve 9 inside descends along with the liquid thing liquid level together, it descends to the lower limit, linkage lever system, open the gas vent, exhaust gas, when gas pressure is less than discharge valve 9 internal pressure, the liquid thing liquid level of discharge valve 9 inside can rise, the float of discharge valve 9 inside rises along with the liquid thing liquid level together, under the spring force effect, close the gas vent.

The utility model discloses a theory of operation: firstly, assembling a gate valve body 5, a valve cover 3, a valve rod 2, a hand wheel 1 and an exhaust valve 9, then connecting the assembled gate valve body 5 with an external pipeline through threads, driving the valve rod 2 to move up and down by a threaded rod 13 when the hand wheel 1 is rotated, driving the valve plate 6 to move up and down by the up and down movement of the valve rod 2 through the threaded connection with a second through hole 14 of a boss 12, and realizing the flow control of liquid; through setting up two discharge valve 9 to the bilateral symmetry that flows the liquid thing at valve plate 6 sets up discharge valve 9, can make the liquid thing through flow chamber 4 all can exhaust in the both sides of valve plate 6, and the gas that the both sides of in time discharging valve plate 6 were gathered has improved exhaust efficiency greatly, will control to flow and control to exhaust and set up to structure as an organic whole, the simple operation, labour saving and time saving.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (7)

1. The utility model provides a take exhaust function's gate valve, includes upper portion open-ended gate valve body, a serial communication port, the opening part threaded connection of gate valve body has the valve gap, the central point of valve gap puts and is equipped with first through-hole, valve gap upper end rigid coupling has the boss, the central point of boss puts and is equipped with the second through-hole, first through-hole and second through-hole are coaxial setting, wear to be equipped with the valve rod in the first through-hole, the upper end butt of valve rod has the threaded rod, threaded rod and second through-hole threaded connection, the upper end of threaded rod is equipped with the hand wheel, the lower extreme of valve rod is connected with the valve plate of control switching perpendicularly, the inside chamber that flows that is equipped with of gate valve body, be equipped with two discharge valve, every on the.

2. The gate valve with a venting function as claimed in claim 1, wherein a first sealing member is disposed at the upper opening of the flow chamber, and the first sealing member is disposed between the flow chamber and the valve stem.

3. The gate valve with the exhaust function as claimed in claim 1, wherein a groove is further formed in an upper end of the gate valve body, a second sealing member is arranged in the groove, and the second sealing member is arranged between the gate valve body and the valve cover.

4. The gate valve with the exhaust function as claimed in claim 1, wherein the two sides of the lower end of the gate valve body are provided with internal threads for connecting with a two-way pipe on an external pipeline, and each internal thread is symmetrically arranged on the two sides of the valve plate.

5. The gate valve with the exhaust function according to claim 1, wherein two exhaust cavities are symmetrically arranged on two sides of the flow cavity respectively, the flow cavity is communicated with each exhaust cavity, and each exhaust cavity is in threaded connection with the exhaust valve.

6. The gate valve with a venting function of claim 5, wherein a third sealing element is further disposed between the venting valve and the venting chamber.

7. The gate valve with a gas exhaust function according to claim 1, wherein the gas exhaust valve is a float gas exhaust valve.

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