CN101766865B

CN101766865B - Oxygen saver

Info

Publication number: CN101766865B
Application number: CN 201010019418
Authority: CN
Inventors: 吴全; 周芝河
Original assignee: FOSHAN GUANGSHUN ELECTRICAL EQUIPMENT Co Ltd
Current assignee: Guizhou precision optical machinery Science and Technology Ltd. of full WorldCom
Priority date: 2010-01-15
Filing date: 2010-01-15
Publication date: 2012-01-18
Anticipated expiration: 2030-01-15
Also published as: CN101766865A

Abstract

The invention discloses an oxygen saver, which is characterized by comprising a pressure stabilizer, a flow controller and an air storage valve, wherein the air storage valve is provided with a sense valve; the pressure stabilizer mainly comprises a spring box and a dish components; the spring box in a sealing air inlet is matched with the dish component; an air chamber is arranged in the dish component; two or more pores are arranged on the lower surface of the air chamber; a flow regulating inner turnplate communicated with the pores is arranged in the flow controller; the air storage valve is connected with the flow regulating inner turnplate; and an air sub-outlet which is externally connected with an oxygen pipe is arranged on the output end of the air storage valve. The invention can be arranged on an oxygen cylinder to control pressure and flow of oxygen output from the oxygen cylinder, so as to reach the pressure and flow requirements for normal use. The invention has the advantages of simple structure and easy control.

Description

A kind of oxygen saver

Technical field

The present invention relates to the flow control valve technical field, relate to a kind of being installed on the oxygen cylinder more specifically, the pressure of the oxygen that comes out from oxygen cylinder with control and the valve body of flow.

Background technology

At present, the control valve of installing on a large amount of oxygen cylinders all is fairly simple switch valve, and its purposes is the opening and closing of control oxygen cylinder, and can not control oxygen supply pressure, oxygen flow etc. effectively in real time, causes oxygen-abundant waste, and use cost is higher.For this reason; People improve existing oxygen control valve, and set up flow and show control valve, be CN01269110.0 like the patent No.; Denomination of invention is that a kind of medical oxygen flow shows control valve; Mainly be made up of control valve, Pressure gauge, effusion meter, humidifier, it is characterized in that: the valve body of a said control valve wherein end is processed with the standard cone screw thread, and at the relative other end of standard cone screw thread the main switch of being made up of main switch handwheel, main switch valve rod etc. is installed; On wherein two adjacent side of the valve body of said control valve; Be processed with installing hole; Be respectively applied for the inching switch that the setting pressure harmony in the exterior is made up of inching switch handwheel, inching switch valve rod; The central axis of this inching switch is positioned at main switch central axis one side, and is connected through passage, on the valve body side relative with inching switch, outlet connection is installed; Described effusion meter is made up of effusion meter seat, flowmeter tube, ball float, effusion meter cover, and effusion meter seat one side is installed on the outlet connection, and opposite side is equipped with the effusion meter outlet connection, below the effusion meter seat, is provided with by humidifying cup, the humidifier formed of breather.This patent structure is effectively controlled oxygen supply pressure, oxygen flow and numerical value thereof and is shown that its shortcoming is that the control of oxygen flow need be passed through the inching switch manual adjustments, and stability is low, the problem of the waste of oxygen of failing fundamentally to solve.

Summary of the invention

The object of the invention is exactly provide for the deficiency that solves prior art a kind of simple in structure, parts are few, be convenient to process and installation, good airproof performance, easy to operate oxygen saver.

The present invention adopts following technical solution to realize above-mentioned purpose: a kind of oxygen saver; It is characterized in that; The gas storage valve that it comprises manostat, flow controller and is equipped with Inductance valve, manostat mainly are made up of spring box that is sealed into QI KOU and the dish-shaped part that matches with the spring box, are provided with gas chamber in the dish-shaped part; The lower surface of gas chamber is provided with two or more pores; Be provided with the flow adjustment inner rotary table that is communicated with this pore in the flow controller, the gas storage valve is connected on the flow adjustment inner rotary table, and the outfan of gas storage valve is provided with the gas branch pipe that of external oxygen hose.

As further specifying of such scheme; Said spring box has two surfaces up and down, and its upper surface has a boss, and the upper surface of boss is provided with eccentric orfice; The lower surface of the upper surface of boss and spring box be linked together; Be provided with the spring that several lower surfaces that order about the spring box move in the spring box, the upper surface of dish-shaped part is fluted, and this groove cooperates the said gas chamber of formation with the spring box.

The pore of the lower surface of said gas chamber is positioned on the same circumference, has angle between the line in two pores and the center of circle; On dish-shaped part and flow adjustment inner rotary table, also have flow selector, flow adjustment inner rotary table is provided with at least one group of permanent diametric hole and becomes diametric hole, and it is the corresponding respectively and formation passage of pore with dish-shaped part that a hole is respectively arranged in two groups of holes.

The top of said gas storage valve is provided with air reservoir; There is a main valve at the center of gas storage valve; This main valve is provided with the main valve arm and connects air reservoir, have in the bottom of main valve arm one can be in the main valve unit of certain scope vibration, this main valve unit seals corresponding with the gas outlet of main valve arm.

The middle part of said gas storage valve is provided with and connects the gas passage, this connect the gas passage starting point in the bottom of main valve arm, and its terminal point is gas branch pipe inside.

The upper surface of said gas storage valve has two holes, the angle in this hole be with said flow adjustment inner rotary table on two groups of holes corresponding.

The main valve bottom of said gas storage valve is provided with throttle orifice; Inductance valve has an Inductance valve unit, and the unitary below of Inductance valve correspondence is provided with spring, and this Inductance valve unit is divided into two chambers up and down with the Inductance valve chamber; Its upper chamber communicates with the bottom of main valve, finally communicates with pressure channel; Its lower chambers is through induction channels, and final is to communicate with going out gas branch pipe.

At the upper surface of gas storage valve, be provided with the gas storage valve orifice, this aperture is communicated to the bottom of main valve through the pressure channel in the gas storage valve.

The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:

1, the present invention adopts by manostat, flow controller and the gas storage valve ventilatory assistance bottle that is equipped with Inductance valve, and the pressure of the gas that manostat can guarantee to carry to subordinate is a set value, thus guarantee that following control at different levels can be enough accurately; When the flow selector of flow controller is chosen the hole of our requirement, just can reach our set traffic requirement; The Inductance valve unit of gas storage valve portion is divided into up and down two chambers with the Inductance valve chamber, and its lower chambers is through induction channels, finally with go out gas branch pipe and communicate; When user is air-breathing,, and form certain negative pressure with the air pressure decline that at first makes in the oxygen hose; This negative pressure will pass to out gas branch pipe along oxygen hose always, and this negative pressure gets into induction channels then, and is last; This negative pressure will enter into the lower chambers of Inductance valve, thereby the lower chambers air pressure of Inductance valve descends; Sensing unit can not seal the bottom of main valve, thereby vibration downwards under the pressure of main valve unit gas in air reservoir so just can be opened main valve; Gas in the air reservoir can penetrate into user from connecing the gas passage always, and the pressure and the flow of the oxygen that comes out from oxygen cylinder with control are with pressure and the traffic requirement that reaches normal use.

2, the upper surface at the gas storage valve is provided with the gas storage valve inlet, and the aperture will enter into the bottom of main valve through the pressure channel in the gas storage valve; Enough when the time, this pressure will be increased to and make the upwards vibration of main valve unit, and finally seal the main valve arm; Interrupted thereby flow to the Oxygen Flow of using, also Just because of this, the transmission of oxygen is actually a very short process like this; The conveying that is oxygen is the process of a pulse mode, goes out throughput with the control oxygen cylinder.

Description of drawings

Fig. 1 is a manostat sectional structure sketch map of the present invention;

Fig. 2 is a dish-shaped design of part sketch map of the present invention;

Fig. 3 is the structural representation of flow-control part of the present invention;

Fig. 4 is the structural representation of flow adjustment inner rotary table of the present invention;

Fig. 5 is the sectional structure sketch map of gas storage valve of the present invention;

Fig. 6 is the sectional structure sketch map of gas storage valve of the present invention.

Description of reference numerals: 1; Manostat 1-1; Spring box 1-11; Boss 1-12; Eccentric orfice 1-13; Spring 1-2; Dish part 1-21; Groove 1-22; The 1-23 of gas chamber; 1-24; Hole 2; Flow controller 2-1; Flow adjustment inner rotary table 2-11; Become diametric hole 2-12; Permanent diametric hole 2-2; Flow selector 3; Inductance valve 3-1; Inductance valve unit 3-2; The 3-3 of upper chamber; Lower chambers 4; Gas storage valve 4-1; Air reservoir 4-2; Pressure channel 4-3; Main valve 4-31; Main valve arm 4-32; Main valve unit 4-4; Meet gas passage 4-5; Gas storage valve orifice 5; Go out gas branch pipe 6; Spring.

The specific embodiment

Like Fig. 1 ~ shown in Figure 6, a kind of oxygen saver of the present invention, it comprises manostat 1, flow controller 2 and the gas storage valve 4 that is equipped with Inductance valve 3.Manostat 1 is made up of a spring box 1-1 and a dish-shaped part 1-2; Spring box 1-1 has two surfaces up and down; Its upper surface has a boss 1-11, and the upper surface of boss has eccentric orfice 1-12, and boss 1-11 upper surface has potted component; The lower surface of the upper surface of boss and spring box 1-1 joins together, and they move together; The lower surface of boss 1-11 is transportable, and the spring 1-13 of some is arranged in the spring box 1-1, and these springs can make the lower surface of spring box move.And the upper surface of dish-shaped part 1-2 has a groove 1-21, when this dish-shaped part 1-2 and spring box 1-1 are combined together, just can utilize this groove to form the 1-22 of gas chamber.When the pressure of the 1-22 of this gas chamber surpasses certain value, will make on the spring box 1-2 lower surface and move, promptly move on the boss 1-11, thereby be sealed into QI KOU, and finally make this air chamber internal gas pressure drop to a set value.

Like Fig. 2, Fig. 3, shown in Figure 4; Flow controller 2 is controlled by flow adjustment inner rotary table 2-1; Dish part 1-1 is at the upper surface of flow adjustment inner rotary table 2-1, and simultaneously, the lower surface of dish-shaped part 1-2 has two hole 1-23,1-24; The position in these two holes is to be fixed on the certain circle of radius, and has a certain degree between them.On the flow adjustment inner rotary table 2-1 two groups of holes are arranged, these two groups of holes are different, and one group of hole is for becoming diametric hole 2-11, and one group of hole is permanent diametric hole 2-12.On dish-shaped part and flow adjustment inner rotary table, also has flow selector 2-2; This flow selector can guarantee in due course; The hole that respectively has among two groups of hole 2-11 on the flow adjustment inner rotary table, the 2-12 is to be corresponding respectively with two hole 1-21,1-22 of dish-shaped part, and can form passage.When the use traffic selector is chosen the hole of our requirement, just can reach set traffic requirement.

Like Fig. 5, shown in Figure 6, gas storage valve 4 and has two holes at the upper surface of gas storage valve 4 below flow adjustment rotating disk 2-1, and these two holes are corresponding with two groups of holes that flow is adjusted on the inner rotary table.In two holes of the upper surface of gas storage valve 4; It is directly to lead in the air chamber that air reservoir 4-1 and gas storage valve form that a hole is arranged; Another then is to enter into pressure channel 4-2; The gas that gets into air chamber is to flow out from the permanent diametric hole 2-12 that flow is adjusted on the inner rotary table, and the gas of entering pressure channel 4-2 is from become diametric hole 2-11, to flow out.At the center of gas storage valve, a main valve 4-3 is arranged, at the topmost of main valve 4-3, a main valve arm 4-31 is arranged, this main valve arm 4-31 can be switched to effluent air from air reservoir 4-1 the bottom of this arm 4-31.And, a main valve unit 4-32 is arranged in the bottom of arm 4-31, and this main valve unit 4-32 can be in certain scope vibration, and when under certain conditions, main valve unit 4-32 will be enough to seal up arm, stop thereby make from the inflow air-flow of arm.At the middle part of gas storage valve 4, there is one to meet gas passage 4-4, this starting point that meets gas passage 4-4 is in the bottom of main valve arm 4-31, and its terminal point is gas branch pipe inside.Like this; When main valve is not closed; To at first enter the bottom of main valve arm from gas storage valve effluent air, and enter into then and connect the gas passage, enter into out gas branch pipe 5 inside at last; This goes out gas branch pipe 5 one ends is that the gas passage 4-4 that connects with the gas storage valve connects together, and the other end is to be connected together with oxygen conveying pipe.This goes out gas branch pipe 5 will make the effluent air from air reservoir 4-1; Get into its inside, like this, effluent air can be crossed and meet gas passage 4-4 from air reservoir 4-1; Enter into out gas branch pipe 5; Enter into oxygen hose again, enter into the nose of user at last, thereby realized the process of oxygen delivery to user.

Inductance valve 3 is arranged on the lower end of gas storage valve 4; This Inductance valve 3 has an Inductance valve unit 3-1; The unitary below of Inductance valve correspondence is provided with spring 6; This Inductance valve unit 3-1 is divided into up and down two chamber 3-2,3-3 with the Inductance valve chamber, and the 3-2 of its upper chamber communicates with the bottom of the main valve 4-3 of gas storage valve, finally communicates with pressure channel; Its lower chambers 3-3 is through induction channels, finally with go out gas branch pipe 5 and communicate.A throttle orifice is arranged at the bottom at the center of gas storage valve 4, and this throttle orifice one is through to gas storage valve bottom.When user is air-breathing, with the air pressure decline that at first makes in the oxygen hose, and form certain negative pressure, this negative pressure will pass to out gas branch pipe along oxygen hose always, and this negative pressure gets into induction channels then, and last, this negative pressure will enter into the lower chambers of Inductance valve.Thereby the lower chambers air pressure of Inductance valve descends, and sensing unit can not seal the bottom of main valve, thus vibration downwards under the pressure of main valve unit gas in air reservoir; So just can open main valve, the gas in the air reservoir can penetrate into user from connecing the gas passage always, therefore, and at the oxygen of air reservoir; To at first enter into the gas storage valve, and enter into main valve again, what enter into the gas storage valve again connects the gas passage; Reentrantly go out gas branch pipe, enter into oxygen hose then, finally enter into the nose of user.

At the upper surface of gas storage valve 4, a gas storage valve orifice 4-5 is arranged, this aperture will be through the pressure channel 4-2 in the gas storage valve; Enter into the bottom of main valve 4-3, enough when the time, this pressure will be increased to and make the upwards vibration of main valve unit; And finally seal the main valve arm, interrupted thereby flow to the Oxygen Flow of using, also Just because of this like this; The transmission of oxygen is actually a very short process, i.e. the conveying of oxygen is the process of a pulse mode.

Above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that.Still can make amendment and perhaps the part technical characterictic is equal to replacement the specific embodiment of invention; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims

1. oxygen saver; It is characterized in that; The gas storage valve that it comprises manostat, flow controller and is equipped with Inductance valve, manostat mainly are made up of spring box that is sealed into QI KOU and the dish-shaped part that matches with the spring box, are provided with gas chamber in the dish-shaped part; The lower surface of gas chamber is provided with plural pore; Be provided with the flow adjustment inner rotary table that is communicated with this pore in the flow controller, the gas storage valve is connected on the flow adjustment inner rotary table, and the outfan of gas storage valve is provided with the gas branch pipe that of external oxygen hose.

2. a kind of oxygen saver according to claim 1 is characterized in that, said spring box has two surfaces up and down; Its upper surface has a boss; The upper surface of boss is provided with eccentric orfice, the lower surface of the upper surface of boss and spring box be linked together, be provided with the spring that several lower surfaces that order about the spring box move in the spring box; The upper surface of dish part is fluted, and this groove cooperates the said gas chamber of formation with the spring box.

3. a kind of oxygen saver according to claim 2 is characterized in that, the pore of the lower surface of said gas chamber is positioned on the same circumference, has angle between the line in two pores and the center of circle; On dish-shaped part and flow adjustment inner rotary table, also have flow selector, flow adjustment inner rotary table is provided with at least one group of permanent diametric hole and becomes diametric hole, and it is the corresponding respectively and formation passage of pore with dish-shaped part that a hole is respectively arranged in two groups of holes.

4. a kind of oxygen saver according to claim 3 is characterized in that, the upper surface of said gas storage valve has two holes, and this hole is corresponding with two groups of holes on the said flow adjustment inner rotary table.

5. a kind of oxygen saver according to claim 1 and 2; It is characterized in that the top of said gas storage valve is provided with air reservoir, there is a main valve at the center of gas storage valve; This main valve is provided with the main valve arm; The main valve arm connects air reservoir, have in the bottom of main valve arm one can be in the main valve unit of certain scope vibration, this main valve unit seals corresponding with the gas outlet of main valve arm.

6. a kind of oxygen saver according to claim 5 is characterized in that, the middle part of said gas storage valve is provided with and connects the gas passage, this connect the gas passage starting point in the bottom of main valve arm, and its terminal point is gas branch pipe inside.

7. a kind of oxygen saver according to claim 5 is characterized in that, the main valve bottom of said gas storage valve is provided with throttle orifice, and Inductance valve has an Inductance valve unit, and the unitary below of Inductance valve correspondence is provided with spring.

8. a kind of oxygen saver according to claim 5 is characterized in that, at the upper surface of gas storage valve, is provided with the gas storage valve orifice, and this aperture is communicated to the bottom of main valve through the pressure channel in the gas storage valve.