CN209671624U - A kind of New Large Caliber pneumatic operated valve - Google Patents

Abstract

A kind of New Large Caliber pneumatic operated valve, it include: valve body, valve deck is bolted in the top end of the valve body, weld outlet pipe in the valve body side, the valve body other side is equipped with tracheae inlet wire pipe, the fixed bracket of valve body inside upper part welding spool, the fixed pedestal lower end welding support flange of the spool, upper sealing plate is bolted below the flange bracket, air spring upper end is bolted in the upper sealing plate, the upper sealing plate upper side welds L-type extension spring bracket, lower sealing plate is bolted in the air spring lower end, the lower seal plate welding extension spring hook, gasket one is bolted below the lower sealing plate, once square bolt connects gasket pressing plate to the gasket.Bore is big, is suitble to large flow fluid switch control, and actuation time is fast, can open repeatedly in a period of time, and for spool using air spring as executive item, structure is simple, durable, easy to maintain.

Description

A kind of New Large Caliber pneumatic operated valve

Technical field

The utility model relates to pneumatic operated valve apparatus field, in particular to a kind of New Large Caliber pneumatic operated valve.

Background technique

Valve is accessory very common in daily life and various equipment, controls the switch of water flow.Existing valve It is varied, such as: gate valve, throttle valve, ball valve, butterfly valve, diaphragm valve, plunger valve, plug valve etc..Compared with most traditional valve Door, the opening and closing for the electrical equipment control valve that many valves of today are already equipped with.But using as compressor, air accumulator, The valve of these existing electrical controls with certain pressure such as drying machine cannot be led to water flow due to the limitation of working principle Road design is too much, to pass through with cannot making smooth in water flow.The medium flow direction of common cut-off throttle valve is usually low into height Out, but such medium flow direction for high pressure and the biggish valve of bore there are poor sealing performance, operational torque is big, uses the longevity Order the disadvantages of short inconvenient with maintenance and renewal part.

Utility model content

For above-mentioned deficiency in the prior art, the utility model provides a kind of New Large Caliber pneumatic operated valve, and bore is big, It is suitble to large flow fluid switch control, actuation time is fast, can open repeatedly in a period of time, spool uses air spring conduct Executive item, structure is simple, durable, easy to maintain.

In order to reach above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows:

A kind of New Large Caliber pneumatic operated valve, comprising: valve deck, the valve body is bolted in valve body, the top end of the valve body Outlet pipe is welded in side, and the valve body other side is equipped with tracheae inlet wire pipe, and the valve inner is equipped with spool, and the spool is Sub-assembly, the fixed bracket of valve body inside upper part welding spool, the fixed pedestal lower end welding support flange of the spool are described Upper sealing plate is bolted below flange bracket, air spring upper end, the upper sealing plate is bolted in the upper sealing plate Top is equipped with the inlet suction port for across upper sealing plate, being connected to air spring, and the upper sealing plate upper side welds L-type extension spring branch Frame, the extension spring pedestal upper end install extension spring one end, and lower sealing plate, institute is bolted in the air spring lower end State lower seal plate welding extension spring hook, the extension spring other end connection extension spring hook, the lower sealing plate lower section spiral shell It tethers and connects gasket one, once square bolt connects gasket pressing plate to the gasket, and the valve body lower portion welds gusset, the valve Weld water inlet pipe in body bottom end.

Further, gasket two is equipped between the valve deck and valve body.

Further, the outlet pipe connects outer water tube by outlet pipe connecting flange, and the water inlet pipe passes through water inlet pipe Connecting flange connects outer water tube.

Further, the quantity of the gusset is 4.

Further, the lower sealing plate, gasket one are bonded installation with the punching of gasket pressing plate, share lower sealing plate and air bullet The bolt of spring lower end.

The utility model has the following beneficial effects:

The material of the utility model valve body is stainless steel, and intensity is high, corrosion-resistant；Bore is big, is suitble to large flow fluid switch Control；Actuation time is fast；It can be opened repeatedly in a period of time；Spool is using rubber air spring as executive item；Structure letter It is single, it is durable, it is easy to maintain.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is that the utility model spool is assemblied in the intracorporal left view structure chart of valve；

Fig. 3 is the overlooking structure figure of the utility model；

The appended drawing reference table of comparisons:

1- valve body, 3- outlet pipe, 4- outlet pipe connecting flange, 5- inlet suction port, 6- flange bracket, seals on 7- 2- valve deck Plate, 8- tracheae inlet wire pipe, 9- extension spring bracket, 10- extension spring, 11- air spring, 12- gusset, 13- water inlet pipe, 14- The fixed bracket of sealing plate, 16- gasket one, 17- gasket pressing plate, 18- spool, 19- spool under water inlet pipe connecting flange, 15-.

Specific embodiment

Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.Wherein identical components phase Same appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper" and "lower" refers to that the direction in attached drawing, word "inner" and "outside" refer respectively to the side towards or away from geometric center of specific component To.

In order to make the content of the utility model be easier to be clearly understood, below in conjunction in the utility model embodiment Attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.

As shown in Figure 1 to Figure 3, a kind of New Large Caliber pneumatic operated valve, comprising: valve body 1,1 top of valve body pass through bolt Connect valve deck 2, outlet pipe 3 is welded in 1 side of valve body, and 1 other side of valve body is equipped with tracheae inlet wire pipe 8, in the valve body 1 Portion is equipped with spool 18, and the spool 18 is a sub-assembly, the fixed bracket 19 of 1 inside upper part of valve body welding spool, the valve Core fixes 19 lower end welding support flange 6 of bracket, and upper sealing plate 7, the upper sealing plate is bolted below the flange bracket 6 7 are bolted 11 upper end of air spring, be equipped with above the upper sealing plate 7 across upper sealing plate 7, connection air spring 11 into Gas connector 5,7 upper side of upper sealing plate weld L-type extension spring bracket 9, and 9 upper end of the extension spring bracket installation stretches Lower sealing plate 15 is bolted in 10 one end of spring, 11 lower end of air spring, and the lower sealing plate 15 welds extension spring and hangs Hook, 10 other end of the extension spring connection extension spring are linked up with, and are bolted gasket 1, institute below the lower sealing plate 15 It states one 16 lower section of gasket and is bolted gasket pressing plate 17, the 1 lower weld gusset 12 of valve body, 1 bottom end of the valve body weldering Tap into water pipe 13.

Gasket two is equipped between the valve deck 2 and valve body 1.The outlet pipe 3 is connected outer by outlet pipe connecting flange 4 Portion's water pipe, the water inlet pipe 13 connect outer water tube by water inlet pipe connecting flange 14.The quantity of the gusset 12 is 4.Institute It states lower sealing plate 15, gasket 1 and is bonded installation with the punching of gasket pressing plate 17, share lower sealing plate 15 and 11 lower end of air spring Bolt.

In the device use process, when valve body 1 needs to open, compressor stops gas supply, air bullet by inlet suction port 5 11 pressure release of spring, supplies water self gravity caused by water tower height difference or force (forcing) pump pressurization enters air-operated valve 1, pneumatic valve core 18 lower sealing plate 15 rises under the double action of 10 pulling force of pressure and extension spring of supply water, and water inlet is opened, and supplies water The water inlet pipe 13 connected from valve body 1 enters valve body 1, and water water level to be supplied exceeds 3 extreme lower position of outlet pipe of the connection of valve body 1, supplies Water supply is exported from air-operated valve 1 flows out, when needing air-operated valve 1 to close, air compressor machine starting, boosting, by tracheae and Inlet suction port is the gas supply of air spring 11, and 11 stress of air spring stretches, and the lower sealing plate 15 of spool 18 moves down, when gasket 1 After contacting compression with 1 water inlet wall surface of valve body, by inlet seal, to realize that air-operated valve 1 is closed, water inlet stops, such as This is reciprocal, realizes the open and close of air-operated valve 1.

The foregoing is merely the preferred embodiment of the utility model patent, it is not intended to limit the utility model specially Benefit, all made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of the utility model patent should all include Within the protection scope of the utility model patent.

Claims (5)

1. a kind of New Large Caliber pneumatic operated valve characterized by comprising valve body (1), valve body (1) top are connected by bolt It connects valve deck (2), outlet pipe (3) are welded in valve body (1) side, and valve body (1) other side is equipped with tracheae inlet wire pipe (8), institute It states and is equipped with spool (18) inside valve body (1), the spool (18) is a sub-assembly, and valve body (1) inside upper part welds spool Fixed bracket (19), fixed bracket (19) the lower end welding support flange (6) of the spool, flange bracket (6) lower section pass through It is bolted upper sealing plate (7), air spring (11) upper end, upper sealing plate (7) top is bolted in the upper sealing plate (7) Equipped with the inlet suction port (5) across upper sealing plate (7), connection air spring (11), upper sealing plate (7) upper side welds L-type Extension spring (10) one end, the air spring (11) are installed in extension spring bracket (9), extension spring bracket (9) upper end Lower end is bolted lower sealing plate (15), lower sealing plate (15) the welding extension spring hook, and the extension spring (10) is another One end connects extension spring hook, is bolted gasket one (16), the gasket one (16) below the lower sealing plate (15) Lower section is bolted gasket pressing plate (17), valve body (1) the lower weld gusset (12), valve body (1) bottom end weld into Water pipe (13).

2. a kind of New Large Caliber pneumatic operated valve according to claim 1, it is characterised in that: the valve deck (2) and valve body (1) Between be equipped with gasket two.

3. a kind of New Large Caliber pneumatic operated valve according to claim 1, it is characterised in that: the outlet pipe (3) is by going out Water pipe connecting flange (4) connects outer water tube, and the water inlet pipe (13) connects outer water tube by water inlet pipe connecting flange (14).

4. a kind of New Large Caliber pneumatic operated valve according to claim 1, it is characterised in that: the quantity of the gusset (12) is 4.

5. a kind of New Large Caliber pneumatic operated valve according to claim 1, it is characterised in that: the lower sealing plate (15), sealing Pad one (16) is bonded installation with gasket pressing plate (17) punching, shares the bolt of lower sealing plate (15) and air spring (11) lower end.