CN206190995U - A valve decompresses for adjusting pressure of acetylene or oxygen - Google Patents

Abstract

The utility model discloses a valve decompresses for adjusting pressure of acetylene or oxygen, including the disk seat, the top of disk seat links firmly the valve gap, sets up the diaphragm between disk seat and the valve gap, sets up the air intake lever and gives vent to anger the pole in the side of disk seat, and the inner chamber bottom of disk seat sets up the recess, and wherein recess intercommunication air intake lever slides in the recess and sets up the piston. The utility model discloses a piston and boosting spring constitute simple check valve system, thereby make the flow direction that gas can be single, through threaded connection spiral hand cap on the valve gap, the connection of spiral hand cap decompresses the screw rod, decompress screw rod displacement from top to bottom through rotatory drive of spiral hand cap, thereby compress tightly and loosen the piston, make the sealing load of piston to adjust, pressure output control with exhaust acetylene or oxygen in the realization gas cylinder, security performance when using with the improvement, the screw thread is adjusted more stably simultaneously.

Description

A kind of solution pressure valve for adjusting the pressure of acetylene or oxygen

Technical field

The utility model is related to a kind of solution pressure valve, specifically a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen.

Background technology

Gas cylinder is applied to the container of the various gases at high pressure of storage, most common of which to be acetylene or oxygen storage, by It is higher in the gas pressure in the bottle, and the pressure of required gas is smaller, it is necessary to pressure reducer come the elevated pressures being stored in gas cylinder Gas be reduced to low-pressure gas, and should ensure that required operating pressure keeps stable state from start to finish.With China's medical treatment, boat My god, the industry such as laboratory develop rapidly, cleaner, simple and convenient, security reliability increasingly weighs in the application of industry Will, the demand using upper convenient, safe and stable property is greatly improved；Therefore, market need it is a kind of it is new and effective therewith Safe and stable, the reliable auxiliary products for matching, it is ensured that reliable in quality, more focus on protection safety, long service life.

Utility model content

The purpose of this utility model is to provide a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen, with solution State the problem proposed in background technology.

To achieve the above object, the utility model provides following technical scheme：

A kind of solution pressure valve for adjusting the pressure of acetylene or oxygen, including piston, valve seat, valve seat pad, barrier film, bonnet Pad, bonnet, screw hand cap, decompression screw rod, screw gasket, pressurized spring, air intake filter, air intake lever, gas cylinder link spiral shell Mother, tracheae attaching nut, tracheae pressure gauge, gas cylinder pressure gauge and outlet bar, the connected bonnet in top of the valve seat, valve seat and valve Barrier film is set between lid, air intake lever and outlet bar are set in the side of valve seat, the intracavity bottom of valve seat sets groove, its further groove Connection air intake lever, is slided in groove and sets piston, and valve seat pad is set gradually at the top of piston；The inside of the bonnet sets and increases Pressing spring, sets bonnet gasket between the bottom of pressurized spring and barrier film, and sets screw gasket, spiral shell at the top of pressurized spring The upper surface of bar pad contacts the bottom of connection decompression screw rod, decompresses the top of screw rod by the connected screw hand cap of hand cap nut, The screw thread of the threaded connection bonnet outer surface on screw hand cap inwall, sets gas cylinder chain connected nut, outlet bar on the air intake lever Upper setting tracheae attaching nut, sets air intake filter, outside the valve seat in the inlet end inner passage of the air intake lever Portion sets tracheae pressure gauge and gas cylinder pressure gauge, and wherein tracheae pressure gauge connects the inner chamber of valve seat, gas cylinder pressure gauge communication with cavity The groove of bottom.

As further program of the utility model：The bottom of threaded connection lock sleeve on the bonnet, and lock sleeve top The block in portion is kept off on the edge in screw hand crown portion.

As further program of the utility model：The top end face of the screw hand cap is pasted with label.

As further program of the utility model：Buffering elastic is set between the bottom of the piston and the bottom surface of groove Spring, the elastic force of buffer spring is less than pressurized spring.

As further program of the utility model：The air inlet end of the air intake lever be taper, and conical surface ring O-ring is set in shape groove.

As further program of the utility model：The gas cylinder chain connected nut connects the gas outlet of gas cylinder, tracheae connection Nut connects steam line.

Compared with prior art, the beneficial effects of the utility model are：It is made up of piston and pressurized spring simple single To valve system, so that the flow direction that gas can be single, by being threadedly coupled screw hand cap on bonnet, screw hand cap is connected Decompression screw rod, by screw hand cap rotarily drive decompression screw rod upper and lower displacement, so as to compress and unclamp piston so that piston it is close Seal pressure can be adjusted, and be adjusted with the pressure output for realizing the acetylene or oxygen discharged in gas cylinder, to improve safety when using Performance, while threaded adjusting is more stablized.Prevent screw hand cap from loosening by lock sleeve simultaneously, improve the effect of sealing and regulation Really, error caused by compression shock is prevented.The impact moved up and down by buffer spring damper piston, reduces abrasion.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the cross-sectional view in A-A directions in Fig. 1.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1~2 are referred to, in the utility model embodiment, a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen, Including piston 1, valve seat 2, valve seat pad 3, barrier film 4, bonnet gasket 5, bonnet 6, screw hand cap 7, label 8, hand cap nut 9, solution Pressure screw rod 10, screw gasket 11, pressurized spring 12, air intake filter 13, O-ring 14, air intake lever 15, gas cylinder chain connected nut 16th, tracheae attaching nut 17, tracheae pressure gauge 18, gas cylinder pressure gauge 19, buffer spring 20, lock sleeve 21 and outlet bar 22, institute State valve seat 2 top be connected bonnet 6, between valve seat 2 and bonnet 6 set barrier film 4, so as to by the space of valve seat 2 and bonnet 6 every Open, it is to avoid other are excessive, air intake lever 15 and outlet bar 22 be set in the side of valve seat 2, the intracavity bottom of valve seat 2 sets groove, Its further groove is connected to be slided in air intake lever 15, groove and sets piston 1, and the top of piston 1 sets gradually valve seat pad 3, works as gas Enter fashionable from air intake lever 15, by the jack-up of piston 1 in groove and enter into the inner chamber of valve seat 2, finally discharged from outlet bar 22； The inside of the bonnet 6 sets pressurized spring 12, and bonnet gasket 5 is set between the bottom of pressurized spring 12 and barrier film 4, and increase is received Power area, so as to protect barrier film 4, prevents the bursting of pressurized spring 12 or abrasion barrier film 4, causes gas leakage, and in pressurized spring 12 Top screw gasket 11, the bottom of the upper surface contact connection decompression screw rod 10 of screw gasket 11, decompression screw rod 10 are set Top is connected screw hand cap 7 by hand cap nut 9, the screw thread of threaded connection bonnet 6 outer surface on the inwall of screw hand cap 7, is led to Cross rotation screw hand cap 7, drive decompression screw rod 10 to move up and down, so control spring compress successively or loosen bonnet gasket 5, every Film 4, valve seat pad 3 and piston 1, realize decompression and pressure controlled function, and the bottom of lock sleeve 21 is threadedly coupled on the bonnet 6 Portion, and the block gear at the top of lock sleeve 21 prevents the pine of screw hand cap 7 on the edge at the top of screw hand cap 7 by lock sleeve 21 It is dynamic, the effect of sealing and regulation is improved, prevent the top end face of error caused by compression shock, the screw hand cap 7 to be pasted with Label 8.

Buffer spring 20 is set between the bottom of the piston 1 and the bottom surface of groove, and the elastic force of buffer spring 20 is less than increasing Pressing spring 12, the impact moved up and down by 20 damper piston of buffer spring 1 reduces abrasion.

The air inlet end of the air intake lever 15 is that O-ring 14, the air inlet are set in taper, and the annular groove of conical surface Gas cylinder chain connected nut 16 is set on bar 15, the gas outlet of gas cylinder is connected by gas cylinder chain connected nut 16, set on the outlet bar 22 Tracheae attaching nut 17 is put, steam line is connected by tracheae attaching nut 17.The inlet end inner passage of the air intake lever 15 Interior setting air intake filter 13, so as to filter gas, it is to avoid impurity effect combustion efficiency.

The outside of the valve seat 2 sets tracheae pressure gauge 18 and gas cylinder pressure gauge 19, the wherein communicating valve of tracheae pressure gauge 18 The inner chamber of seat 2, the groove of the communication with cavity bottom of gas cylinder pressure gauge 19, so as to measure the pressure of escaping pipe and gas cylinder before non-pressure regulation respectively Power.

Operation principle of the present utility model is：Simple one-way valve system is constituted by piston 1 and pressurized spring 12, so that The flow direction that gas is single is enabled, by being threadedly coupled screw hand cap 7, the connection decompression screw rod of screw hand cap 7 on bonnet 6 10, by screw hand cap 7 rotarily drive decompression the upper and lower displacement of screw rod 10, so as to compress and unclamp piston 1 so that piston 1 it is close Seal pressure can be adjusted, and be adjusted with the pressure output for realizing the acetylene or oxygen discharged in gas cylinder, to improve safety when using Performance.Prevent screw hand cap 7 from loosening by lock sleeve 21 simultaneously, improve the effect of sealing and regulation, prevent compression shock from causing Error.The impact moved up and down by 20 damper piston of buffer spring 1, reduces abrasion.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined May be appreciated other embodiment.

Claims (6)

1. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen, including piston, valve seat, valve seat pad, barrier film, bonnet pad Piece, bonnet, screw hand cap, decompression screw rod, screw gasket, pressurized spring, air intake filter, air intake lever, gas cylinder chain connected nut, Tracheae attaching nut, tracheae pressure gauge, gas cylinder pressure gauge and outlet bar, it is characterised in that the connected bonnet in the top of the valve seat, Barrier film is set between valve seat and bonnet, air intake lever and outlet bar is set in the side of valve seat, the intracavity bottom of valve seat sets groove, Its further groove is connected to be slided in air intake lever, groove and sets piston, and valve seat pad is set gradually at the top of piston；The bonnet it is interior Portion sets pressurized spring, and bonnet gasket is set between the bottom of pressurized spring and barrier film, and sets spiral shell at the top of pressurized spring Bar pad, the bottom of the upper surface contact connection decompression screw rod of screw gasket, the top for decompressing screw rod is connected by hand cap nut Screw hand cap, the screw thread of the threaded connection bonnet outer surface on screw hand cap inwall sets gas cylinder link spiral shell on the air intake lever Mother, sets tracheae attaching nut on outlet bar, air intake filter is set in the inlet end inner passage of the air intake lever, described The outside of valve seat sets tracheae pressure gauge and gas cylinder pressure gauge, and wherein tracheae pressure gauge connects the inner chamber of valve seat, gas cylinder pressure gauge The groove of communication with cavity bottom.

2. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen according to claim 1, it is characterised in that described The bottom of lock sleeve is threadedly coupled on bonnet, and the block at the top of lock sleeve is kept off on the edge in screw hand crown portion.

3. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen according to claim 2, it is characterised in that described The top end face of screw hand cap is pasted with label.

4. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen according to claim 1, it is characterised in that described Buffer spring is set between the bottom of piston and the bottom surface of groove, and the elastic force of buffer spring is less than pressurized spring.

5. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen according to claim 1, it is characterised in that described The air inlet end of air intake lever is that O-ring is set in taper, and the annular groove of conical surface.

6. a kind of solution pressure valve for adjusting the pressure of acetylene or oxygen according to claim 1, it is characterised in that described Gas cylinder chain connected nut connects the gas outlet of gas cylinder, tracheae attaching nut connection steam line.