CN208734959U - A kind of simple emergency inhalation device - Google Patents
A kind of simple emergency inhalation device Download PDFInfo
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- CN208734959U CN208734959U CN201821259776.5U CN201821259776U CN208734959U CN 208734959 U CN208734959 U CN 208734959U CN 201821259776 U CN201821259776 U CN 201821259776U CN 208734959 U CN208734959 U CN 208734959U
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Abstract
The utility model discloses a kind of simple emergency inhalation devices, it includes oxygen cylinder, oxygen hose and oxygen mask, the outlet side of oxygen hose is connect with oxygen mask, adjustable flow pressure reducer is equipped between the oxygen valve inflatable interface of oxygen cylinder and the inlet end of oxygen hose, the inlet end of adjustable flow pressure reducer is removably connect with the oxygen valve inflatable interface of oxygen cylinder, the outlet side of adjustable flow pressure reducer and the inlet end of oxygen hose connect, the output pressure of high pressure medical oxygen in oxygen cylinder can be down to 0.35~0.45Mpa by adjustable flow pressure reducer, the output flow of low pressure medical oxygen can be adjusted according to different patient clinical oxygen therapy demands；Advantage is the output flow that low pressure medical oxygen can be adjusted according to different patient clinical oxygen therapy demands, in this way when disastrous dangerous situation occurs for ship ship, medical oxygen can be provided for a large amount of anoxics or other critical patients, and can ensure that there is the medical oxygen used enough in each cabin of ship ship within the scope of the payload of ship ship.
Description
Technical field
The utility model relates to the Medical oxygen inhalors that a kind of ship ship is equipped with, more particularly, to a kind of simple emergency oxygen uptake dress
It sets.
Background technique
Common Medical oxygen inhalor generally comprises oxygen cylinder, flowrator, oxygen hose and oxygen mask, float type
Flowmeter is installed on the outlet valve of oxygen cylinder, and one end of oxygen hose and the outlet of flowrator connect, oxygen hose
The other end is connect with oxygen mask.
Medical oxygen inhalor requires outfit in many occasions, and it is narrow that there is airtight spaces in itself on ship ship, on ship ship
Narrow, densely populated place, navigation period are long, and the medical oxygen that can be used for sick and wounded's oxygen uptake is limited, the feature of medical security weakness, when ship ship
When damage control occurs, adjacent cabin can not provide medical oxygen and be given treatment to, and in this case or require each cabin pre-
Enough emergency inhalation devices are first equipped with, however the payload of ship ship is fixed, it is clear that this is unworkable；It examines
Consider the medical oxygen how being efficiently used in emergency inhalation device, it is therefore necessary to which studying one kind can according to the actual situation rationally
The emergency inhalation device of medical oxygen is distributed, to solve to mention when disastrous dangerous situation occurs for ship ship for a large amount of anoxics or other critical patients
The problem of for emergency oxygen uptake.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of simple emergency inhalation devices, can be according to difference
Patient clinical oxygen therapy demand adjusts the output flow of low pressure medical oxygen, in this way when disastrous dangerous situation occurs for ship ship, it will be able to be
A large amount of anoxics or other critical patients provide medical oxygen, and can ensure that each cabin of ship ship within the scope of the payload of ship ship
There is the medical oxygen used enough.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of simple emergency inhalation device, packet
Include the oxygen cylinder, oxygen hose and oxygen mask for being loaded with high pressure medical oxygen, the outlet side of the oxygen hose and the oxygen
Mask connection, it is characterised in that: be arranged between the oxygen valve inflatable interface of the oxygen cylinder and the inlet end of the oxygen hose
There is adjustable flow pressure reducer, the inlet end of the adjustable flow pressure reducer is removably inflated with the oxygen valve of the oxygen cylinder
Interface connection, the outlet side of the adjustable flow pressure reducer are connect with the inlet end of the oxygen hose, the adjustable stream
Amount pressure reducer the output pressure of the high pressure medical oxygen in the oxygen cylinder can be down to 0.35~0.45Mpa, can
According to the output flow that different patient clinical oxygen therapy demands adjust the low pressure medical oxygen that need to supply the oxygen hose be 2L/min,
4L/min, 6L/min, 10L/min or 15L/min.
The adjustable flow pressure reducer includes for will be from the output pressure of the high pressure medical oxygen in the oxygen cylinder
Power is down to the mechanism of decompressor of 0.35~0.45Mpa, can adjust the oxygen described in need to supplying according to different patient clinical oxygen therapy demands
The output flow of the low pressure medical oxygen of tracheae is that the flow of 2L/min, 4L/min, 6L/min, 10L/min or 15L/min adjust machine
Structure；After high pressure medical oxygen in the oxygen cylinder enters the mechanism of decompressor, the mechanism of decompressor is by high pressure medical oxygen
Output pressure be down to 0.35~0.45Mpa, and provide pressure be 0.35~0.45Mpa low pressure medical oxygen to the flow
Regulating mechanism；The low pressure medical oxygen that the pressure that the mechanism of decompressor provides is 0.35~0.45Mpa enters the flow tune
After saving mechanism, the flow control device is according to the output flow that different patient clinical oxygen therapy demands adjust low pressure medical oxygen
2L/min, 4L/min, 6L/min, 10L/min or 15L/min, and provide and limited output flow as 2L/min, 4L/min, 6L/
The low pressure medical oxygen of min, 10L/min or 15L/min give the oxygen hose.Here, reducing high pressure doctor using the mechanism of decompressor
With the output pressure of oxygen, and adjust using flow control device the output flow of low pressure medical oxygen.
The adjustable flow pressure reducer further includes connector, lower valve body and upper valve body, is offered in the connector
Connector air supply channel, inlet end of the inlet end of the connector as the adjustable flow pressure reducer, the connection
The inlet end of head is removably connect with the oxygen valve inflatable interface of the oxygen cylinder, and the outlet side of the connector is defined in
On the bottom of the lower valve body, the lower valve body and upper valve body mating connection are formed with valve chamber, the lower valve
The lower Vertical Channel of the connection connector air supply channel and the valve chamber is offered on body, is offered on the upper valve body
The upper Vertical Channel at the top of the connection valve chamber and the upper valve body, the mechanism of decompressor are set to the valve chamber
It is interior and connect with the lower Vertical Channel, the flow control device be set on the upper valve body and with it is described upper
Vertical Channel connection, the outlet side of the adjustable flow pressure reducer are set on the upper valve body, the adjustable flow
The outlet side of pressure reducer is connected to the valve chamber.
The adjustable flow pressure reducer further includes the pressure for measuring the high pressure medical oxygen pressure in the oxygen cylinder
Power indicating gage, the pressure indicator are installed in the lower valve body, the air inlet of the pressure indicator with it is described
Connector air supply channel connection.The oxygen reserve of high pressure medical oxygen in oxygen cylinder is grasped in the setting of pressure indicator in which can be convenient,
To estimate the available oxygen time of high pressure medical oxygen in oxygen cylinder.
The adjustable flow pressure reducer further includes mentioning for the pressure release in the mechanism of decompressor failure and making a sound
The safety valve shown, the safety valve are installed in the lower valve body, the air inlet of the safety valve and described lower perpendicular
The bottom of straight channel is connected to.
The mechanism of decompressor uses piston cylinder operator, by piston seat and the piston being wholely set with the piston seat
Body composition, the periphery wall of the piston seat are close to the cavity wall of the valve chamber, and it is recessed that annular is provided on the piston seat
Chamber, the piston body are arranged with relief spring outside, and the upper end of the relief spring is fixed in the annular cavity, institute
The lower end for the relief spring stated is fixed on the bottom of chamber of the valve chamber, and the head of the piston body is provided with valve head, described
Valve head on offer lateral air supply channel, the connection lateral air supply channel and described is provided in the piston body
The vertical air supply channel of valve chamber, the lower part of the piston body and the valve head protrude into the lower Vertical Channel and described
Lateral air supply channel be connected to the lower Vertical Channel, when the piston body is moved downward along the lower Vertical Channel
The output pressure of high pressure medical oxygen from the connector air supply channel is down to 0.35~0.45Mpa；The flow tune
Section mechanism is made of rotational handle, main body, T-type adjustment axis, annular flow control panel, and the rotational handle is rotatably coupled
In on the top of the main body, the bottom of the main body is fixed on the top of the upper valve body, and the T-type is adjusted
Axis includes axis body and the disc that is wholely set with the axis body, and the axis body passes through institute from the valve chamber from bottom to top
The upper Vertical Channel stated is fixedly connected with the rotational handle, and the disc is located in the valve chamber, the circle
The vertical through-hole being connected to the valve chamber is offered on disk body, circumferentially offered on the top of the disc with
The annular groove that the vertical through-hole is connected, the annular flow control panel are close to be fixed on the top of the disc
Hold on end face, be provided with 5 different metering holes of diameter in the annular flow control panel, diameter from small to large 5
A metering hole correspond to output flow 2L/min, 4L/min, 6L/min, 10L/min, 15L/min, the metering hole and
The annular groove is connected to, and offers gas source output channel, the air inlet of the gas source output channel on the upper valve body
Mouth with the metering hole for being connected to, and the gas outlet of the gas source output channel is as the adjustable flow pressure reducer
Outlet side.When work, the high pressure medical oxygen for flowing through connector air supply channel enters in lower Vertical Channel, and piston body is along lower Vertical Channel
It moves downward and the output pressure of high pressure medical oxygen is down to 0.35~0.45Mpa, pressure is that the low pressure of 0.35~0.45Mpa is medical
Oxygen enters safety valve, while into the top end face of piston seat and disc after lateral air supply channel and vertical air supply channel
Bottom end end face between part valve it is intracavitary, using defeated after vertical through-hole, annular groove, metering hole and gas source output channel
Out；T-type adjustment axis and annular flow control panel are rotated with the rotation of rotational handle when rotary motion handle, may make that gas source is defeated
The air inlet in channel corresponds to the metering hole of different-diameter size out, so as to conveniently realize the output flow of low pressure medical oxygen
Adjust control；The flow control device of this structure is simple, and need to adjust the output flow of low pressure medical oxygen when need to only rotate and turn
Fixed handle, it is easy to operate, it is furthermore hardly damaged compared to existing flowrator, and it is small to solve space on ship ship
And there is a problem of safety.
It is provided between the main body and the rotational handle for limiting the rotational handle rotation angle
Positioning mechanism.
The positioning mechanism by be set in the main body multiple taper positioning grooves, be set to the rotation
Spring base in handle, is connected on the lower end of the retaining spring retaining spring being set in the spring base
Position ball composition, the position one-to-one correspondence of the position of the taper positioning groove and the metering hole, the positioning ball
It is adapted with the taper positioning groove, rotating the rotational handle is embedded the positioning ball described in one
In taper positioning groove, the metering hole corresponding with the position of taper positioning groove described in this at this time and the gas source
The air inlet of output channel is connected to.Here, the positioning mechanism structure is simple, the end face of ball and main body is positioned when rotational handle rotates
Retaining spring is compressed when contact, and retaining spring is restored to realize positioning when positioning ball and being embedded in a taper positioning groove；
Existing location structure can also be used when actual design.
It carves and is equipped with for representing low pressure on the periphery wall of the main body and top end face of the rotational handle
The number mark of the output flow of medical oxygen.Here, number mark is set so that user of service adjusts the process of output flow at quarter
More intuitive and convenient.
The inlet end of the connector is connect by nut with the oxygen valve inflatable interface of the oxygen cylinder.Here, adopting
It is connected with nut, the inlet end of connector is connected with the oxygen valve inflatable interface of oxygen cylinder, not only detachable but also convenient for disassembly and assembly.
Compared with the prior art, the advantages of the utility model are:
It 1) is 0.35 since the adjustable flow pressure reducer of setting can adjust pressure according to different patient clinical oxygen therapy demands
The output flow of the low pressure medical oxygen of~0.45Mpa, so that the simple emergency inhalation device can close according to the actual situation
Reason ground distribution medical oxygen, in this way when disastrous dangerous situation occurs for ship ship, it will be able to be provided for a large amount of anoxics or other critical patients
Medical oxygen.
2) since the inlet end of adjustable flow pressure reducer is removably connect with the oxygen valve inflatable interface of oxygen cylinder, work as
High pressure medical oxygen in oxygen cylinder after use, only need to be by adjustable flow pressure reducer from the oxygen cylinder for having been used up high pressure medical oxygen
It backs out and is installed on the oxygen cylinder equipped with high pressure medical oxygen again, it can be on ship ship in this way within the scope of the payload of ship ship
It is equipped with some adjustable flow pressure reducers less, and polygamy is for some oxygen cylinders, to can ensure that each cabin of ship ship has enough
The medical oxygen more used.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the simple emergency inhalation device of the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
The utility model proposes the simple emergency inhalation device of one kind, as shown in the figure comprising be loaded with high pressure medical oxygen
Oxygen cylinder 1, oxygen hose (not shown) and oxygen mask (not shown), the outlet side of oxygen hose and oxygen mask connect
It connects, is provided with adjustable flow pressure reducer 2, adjustable flow between the oxygen valve inflatable interface 11 and the inlet end of oxygen hose of oxygen cylinder 1
The inlet end of pressure reducer 2 is removably connect with the oxygen valve inflatable interface 11 of oxygen cylinder 1, the outlet side of adjustable flow pressure reducer 2
It is connect by pagoda connector 9 with the inlet end of oxygen hose, adjustable flow pressure reducer 2 can cure the high pressure in oxygen cylinder 1
0.35~0.45Mpa is down to the output pressure of oxygen, can need to supply oxygen hose according to the adjusting of different patient clinical oxygen therapy demands
Pressure be 0.35~0.45Mpa low pressure medical oxygen output flow be 2L/min, 4L/min, 6L/min, 10L/min or
15L/min。
In the present embodiment, adjustable flow pressure reducer 2 include connector 21, lower valve body 22, upper valve body 23, for measuring oxygen
The pressure indicator 24 of high pressure medical oxygen pressure in gas cylinder 1, for will be from the output pressure of the high pressure medical oxygen in oxygen cylinder 1
Power is down to the mechanism of decompressor 25 of 0.35~0.45Mpa, for the pressure release in 25 failure of the mechanism of decompressor and makes a sound the peace of prompt
Full valve 26 can adjust the output flow of low pressure medical oxygen that need to supply oxygen hose according to different patient clinical oxygen therapy demands and be
The flow control device 27 of 2L/min, 4L/min, 6L/min, 10L/min or 15L/min；Connector gas is offered in connector 21
Source channels 211, inlet end of the inlet end of connector 21 as adjustable flow pressure reducer 2, the inlet end of connector 21 are detachable
Ground is connect with the oxygen valve inflatable interface 11 of oxygen cylinder 1, and the outlet side of connector 21 is defined on the bottom of lower valve body 22, lower valve body
22 are formed with valve chamber 28 with the mating connection of upper valve body 23, and connection connector air supply channel 211 and valve chamber 28 are offered in lower valve body 22
Lower Vertical Channel 221, the upper Vertical Channel 231 at the top of connection valve chamber 28 and upper valve body 23 is offered on upper valve body 23, is subtracted
Press mechanism 25 is set in valve chamber 28 and connect with lower Vertical Channel 221, flow control device 27 be set on upper valve body 23 and
It is connect with upper Vertical Channel 231, the outlet side of adjustable flow pressure reducer 2 is set on upper valve body 23, adjustable flow pressure reducer 2
Outlet side is connected to valve chamber 28, and after the high pressure medical oxygen in oxygen cylinder 1 enters the mechanism of decompressor 25, the mechanism of decompressor 25 is medical by high pressure
The output pressure of oxygen is down to 0.35~0.45Mpa, and provides the low pressure medical oxygen that pressure is 0.35~0.45Mpa and adjust to flow
Mechanism 27, the pressure that the mechanism of decompressor 25 provides are stream after the low pressure medical oxygen of 0.35~0.45Mpa enters flow control device 27
Measure regulating mechanism 27 according to different patient clinical oxygen therapy demands adjust low pressure medical oxygen output flow be 2L/min, 4L/min,
6L/min, 10L/min or 15L/min, and provide limited output flow as 2L/min, 4L/min, 6L/min, 10L/min or
The low pressure medical oxygen of 15L/min is installed in lower valve body 22 to oxygen hose, pressure indicator 24, the air inlet of pressure indicator 24
It is connected to connector air supply channel 211, safety valve 26 is installed in lower valve body 22, the air inlet of safety valve 26 and lower Vertical Channel
221 bottom connection.Here, reducing the output pressure of high pressure medical oxygen using the mechanism of decompressor 25, and machine is adjusted using flow
Structure 27 adjusts the output flow of low pressure medical oxygen；High pressure in oxygen cylinder 1 is grasped in the setting of pressure indicator 24 in which can be convenient
The oxygen reserve of medical oxygen, to estimate the available oxygen time of high pressure medical oxygen in oxygen cylinder 1.
In the present embodiment, the mechanism of decompressor 25 uses piston cylinder operator, integrally by piston seat 251 and with piston seat 251
The piston body 252 of setting forms, and the periphery wall of piston seat 251 is close to the cavity wall of valve chamber 28, is provided with annular on piston seat 251
Cavity 253, piston body 252 are arranged with relief spring 254 outside, and the upper end of relief spring 254 is fixed in annular cavity 253, is subtracted
The lower end of pressing spring 254 is fixed on the bottom of chamber of valve chamber 28, and the head of piston body 252 is provided with valve head 255, is opened on valve head 255
Equipped with lateral air supply channel 256, it is provided with the lateral air supply channel 256 of connection in piston body 252 and the vertical gas source of valve chamber 28 is logical
Road 257, the lower part of piston body 252 and valve head 255 protrude into lower Vertical Channel 221 and lateral air supply channel 256 is led to vertically with lower
Road 221 is connected to, by the high pressure medical oxygen from connector air supply channel 211 when piston body 252 is moved downward along lower Vertical Channel 221
Output pressure be down to 0.35~0.45Mpa；Flow control device 27 by rotational handle 271, main body 272, T-type adjustment axis 273,
Annular flow control panel 274 forms, and rotational handle 271 is rotatably connected on the top of main body 272, the bottom of main body 272
It is fixed on the top of upper valve body 23, T-type adjustment axis 273 includes axis body 2731 and the disc being wholely set with axis body 2731
2732, axis body 2731 passes through upper Vertical Channel 231 from valve chamber 28 from bottom to top and is fixedly connected with rotational handle 271, disc
2732 are located in valve chamber 28, and the vertical through-hole 2733 being connected to valve chamber 28, disc 2732 are offered on disc 2732
Top on circumferentially offer the annular groove 2734 being connected with vertical through-hole 2733, annular flow control panel 274 is close to
It is fixed on the top end face of disc 2732,5 different metering holes of diameter is provided in annular flow control panel 274
2741,5 metering holes 2741 of diameter from small to large corresponding output flow 2L/min, 4L/min, 6L/min, 10L/min, 15L/
Min, metering hole 2741 are connected to annular groove 2734, and gas source output channel 232, gas source output channel are offered on upper valve body 23
232 air inlet with metering hole 2741 for being connected to, and the gas outlet of gas source output channel 232 is as adjustable flow pressure reducer 2
Outlet side.When work, the high pressure medical oxygen for flowing through connector air supply channel 211 enters in lower Vertical Channel 221,252 edge of piston body
Lower Vertical Channel 221, which is moved downward, is down to 0.35~0.45Mpa for the output pressure of high pressure medical oxygen, and pressure is 0.35~
The low pressure medical oxygen of 0.45Mpa enters safety valve 26, while laggard by lateral air supply channel 256 and vertical air supply channel 257
Enter in the part valve chamber 28 between the top end face of piston seat 251 and the bottom end end face of disc 2732, using vertical through-hole
2733, it is exported after annular groove 2734, metering hole 2741 and gas source output channel 232；T-type is adjusted when rotary motion handle 271
Axis 273 and annular flow control panel 274 are rotated with the rotation of rotational handle 271, may make the air inlet of gas source output channel 232
The metering hole 2741 of mouthful corresponding different-diameter size, so as to conveniently realize low pressure medical oxygen output flow adjusting control
System；The flow control device 27 of this structure is simple, and need to adjust the output flow of low pressure medical oxygen when only needs rotary motion hand
Handle 271, it is easy to operate, it is furthermore hardly damaged compared to existing flowrator, and it is small to solve space on ship ship
And there is a problem of safety.
In the present embodiment, it is provided between main body 272 and rotational handle 271 for limiting 271 rotation angle of rotational handle
The positioning mechanism of degree, positioning mechanism by be set in main body 272 5 taper positioning grooves 275, be set to rotational handle 271
Interior spring base 276, the retaining spring 277 being set in spring base 276, the positioning being connected on the lower end of retaining spring 277
Ball 278 forms, and the position of taper positioning groove 275 and the position of metering hole 2741 correspond, and positioning ball 278 and taper position
Groove 275 is adapted, rotary motion handle 271 make position ball 278 be embedded in a taper positioning groove 275, at this time with
The corresponding metering hole 2741 in the position of the taper positioning groove 275 is connected to the air inlet of gas source output channel 232.Here, should
Positioning mechanism structure is simple, 277 quilt of retaining spring when the end face of positioning ball 278 and main body 272 contacts when rotational handle 271 rotates
Compression, and retaining spring 277 is restored to realize positioning when positioning ball 278 and being embedded in a taper positioning groove 275；Actual design
When existing location structure can also be used.
In the present embodiment, it carves to be equipped on the periphery wall of the main body 272 and top end face of rotational handle 271 and is used for generation
The number mark (not shown) of the output flow of table low pressure medical oxygen, number mark is respectively 2,4,6,10,15, corresponding generation
Table output flow 2L/min, 4L/min, 6L/min, 10L/min, 15L/min.Here, number mark is set so that user at quarter
Member adjusts the process more intuitive and convenient of output flow.
In the present embodiment, the inlet end of connector 21 is connect by nut 8 with the oxygen valve inflatable interface 11 of oxygen cylinder 1.
It is not only detachable but also tear open here, connect the inlet end of connector 21 and the oxygen valve inflatable interface 11 of oxygen cylinder 1 using nut 8
Dress is convenient.
In the present embodiment, each building block of adjustable flow pressure reducer 2 is all made of HPb59-1 metal and is made, each
The outer surface of building block is all made of chromium plating process to improve corrosion resistance；Lower valve body 22 and the mating connection of upper valve body 23 are equivalent to
Constitute the valve body of a four-way, respectively with oxygen valve inflatable interface 11, the air inlet of pressure indicator 24, safety of oxygen cylinder 1
The inlet end connection of the air inlet, oxygen hose of valve 26；Pressure indicator 24 uses the prior art；Safety valve 26 is in existing peace
Progress volume changes small improvement and obtains on the basis of full device；Between connector 21 and nut 8, connector 21 and lower valve body 22
Between bottom, between the lower part of piston body 252 and the peripheral wall of lower Vertical Channel 221, the periphery wall of piston seat 251 and valve chamber 28
Between cavity wall, the top end face of annular flow control panel 274 be located between 2741 two sides of metering hole and the chamber top of valve chamber 28, axis body
Between 2731 and the peripheral wall of upper Vertical Channel 231, the junction of pagoda connector 9 and upper valve body 23 be provided with sealing element, it is nonstandard
Quasi- sealing element uses F4, and heat-resisting quantity is good, corrosion resistance is high, and the sealing element of standard uses fluorine-containing O-ring, and lubricating grease uses
Fluorine-containing silicone grease, natural temperature are required at 160 degrees Celsius or more.
Claims (10)
1. a kind of simple emergency inhalation device, oxygen cylinder, oxygen hose and oxygen mask including being loaded with high pressure medical oxygen are described
The outlet side of oxygen hose connect with the oxygen mask, it is characterised in that: the oxygen valve inflatable interface of the oxygen cylinder with
Adjustable flow pressure reducer is provided between the inlet end of the oxygen hose, the inlet end of the adjustable flow pressure reducer is removable
It is connect with the oxygen valve inflatable interface of the oxygen cylinder with unloading, the outlet side of the adjustable flow pressure reducer and the oxygen
The inlet end of pipe connects, and the adjustable flow pressure reducer can be by the output of the high pressure medical oxygen in the oxygen cylinder
Pressure is down to 0.35~0.45Mpa, can adjust the low of the oxygen hose described in need to supplying according to different patient clinical oxygen therapy demands
The output flow for pressing medical oxygen is 2L/min, 4L/min, 6L/min, 10L/min or 15L/min.
2. a kind of simple emergency inhalation device according to claim 1, it is characterised in that: the adjustable flow pressure reducer
Including the negative booster for the output pressure of the high pressure medical oxygen in the oxygen cylinder to be down to 0.35~0.45Mpa
Structure can be according to the output flow that different patient clinical oxygen therapy demands adjust the low pressure medical oxygen that need to supply the oxygen hose
The flow control device of 2L/min, 4L/min, 6L/min, 10L/min or 15L/min；High pressure in the oxygen cylinder is medical
After oxygen enters the mechanism of decompressor, the output pressure of high pressure medical oxygen is down to 0.35~0.45Mpa by the mechanism of decompressor,
And provide pressure be 0.35~0.45Mpa low pressure medical oxygen to the flow control device；The mechanism of decompressor provides
Pressure be 0.35~0.45Mpa low pressure medical oxygen enter the flow control device after, the flow control device
It is 2L/min, 4L/min, 6L/min, 10L/ according to the output flow that different patient clinical oxygen therapy demands adjust low pressure medical oxygen
Min or 15L/min, and provide and limited output flow as the low of 2L/min, 4L/min, 6L/min, 10L/min or 15L/min
Press medical oxygen to the oxygen hose.
3. a kind of simple emergency inhalation device according to claim 2, it is characterised in that: the adjustable flow pressure reducer
Further include connector, lower valve body and upper valve body, offer connector air supply channel in the connector, the connector into
Inlet end of the gas end as the adjustable flow pressure reducer, the inlet end of the connector removably with the oxygen
The oxygen valve inflatable interface connection of bottle, the outlet side of the connector is defined on the bottom of the lower valve body, under described
Valve body and upper valve body mating connection are formed with valve chamber, and it is logical that the connection connector gas source is offered in the lower valve body
The lower Vertical Channel in road and the valve chamber offers the connection valve chamber and the upper valve body on the upper valve body
The upper Vertical Channel at top, the mechanism of decompressor are set in the valve chamber and connect with the lower Vertical Channel, institute
The flow control device stated is set on the upper valve body and connect with the upper Vertical Channel, and the adjustable flow subtracts
The outlet side of depressor is set on the upper valve body, and the outlet side of the adjustable flow pressure reducer and the valve chamber connect
It is logical.
4. a kind of simple emergency inhalation device according to claim 3, it is characterised in that: the adjustable flow pressure reducer
It further include the pressure indicator for measuring the high pressure medical oxygen pressure in the oxygen cylinder, the pressure indicator installation
In in the lower valve body, the air inlet of the pressure indicator is connected to the connector air supply channel.
5. a kind of simple emergency inhalation device according to claim 4, it is characterised in that: the adjustable flow pressure reducer
It further include for the pressure release in the mechanism of decompressor failure and making a sound the safety valve of prompt, the safety valve is installed on
In the lower valve body, the air inlet of the safety valve is connected to the bottom of the lower Vertical Channel.
6. a kind of simple emergency inhalation device according to any one of claim 3 to 5, it is characterised in that: described subtracts
Press mechanism uses piston cylinder operator, is made of piston seat and the piston body being wholely set with the piston seat, the work
The periphery wall of obturating plug is close to the cavity wall of the valve chamber, and annular cavity, the piston body are provided on the piston seat
It is arranged with relief spring outside, the upper end of the relief spring is fixed in the annular cavity, the relief spring
Lower end is fixed on the bottom of chamber of the valve chamber, and the head of the piston body is provided with valve head, offers on the valve head
Lateral air supply channel is provided with the vertical gas source of the connection lateral air supply channel and the valve chamber in the piston body
Channel, the lower part of the piston body and the valve head protrude into the lower Vertical Channel and the lateral air supply channel
It is connected to the lower Vertical Channel, will be connect from described when the piston body is moved downward along the lower Vertical Channel
The output pressure of the high pressure medical oxygen of head air supply channel is down to 0.35~0.45Mpa；The flow control device is by rotation hand
Handle, main body, T-type adjustment axis, annular flow control panel composition, the rotational handle are rotatably connected at the main body
On top, the bottom of the main body is fixed on the top of the upper valve body, the T-type adjustment axis include axis body and with
The disc that the axis body is wholely set, the axis body pass through the upper Vertical Channel from the valve chamber from bottom to top
It is fixedly connected with the rotational handle, the disc is located in the valve chamber, offers one on the disc
A vertical through-hole being connected to the valve chamber circumferentially offers and the vertical through-hole on the top of the disc
The annular groove being connected, the annular flow control panel is close on the top end face for being fixed on the disc, described
Annular flow control panel on be provided with 5 different metering holes of diameter, metering hole described in diameter from small to large 5
Corresponding output flow 2L/min, 4L/min, 6L/min, 10L/min, 15L/min, the metering hole and the annular groove
Connection, offers gas source output channel on the upper valve body, the air inlet of the gas source output channel be used for it is described
Metering hole connection, outlet side of the gas outlet of the gas source output channel as the adjustable flow pressure reducer.
7. a kind of simple emergency inhalation device according to claim 6, it is characterised in that: the main body and turn
The positioning mechanism for limiting the rotational handle rotation angle is provided between fixed handle.
8. a kind of simple emergency inhalation device according to claim 7, it is characterised in that: the positioning mechanism is by being arranged
In in the main body multiple taper positioning grooves, be set in the rotational handle spring base, be set to it is described
Retaining spring in spring base, the positioning ball composition being connected on the lower end of the retaining spring, the taper positioning are recessed
The position of slot and the position of the metering hole correspond, and the positioning ball is adapted with the taper positioning groove,
The rotation rotational handle make the positioning ball be embedded one described in taper positioning groove, at this time and described in this
The corresponding metering hole in position of taper positioning groove be connected to the air inlet of the gas source output channel.
9. a kind of simple emergency inhalation device according to claim 8, it is characterised in that: on the periphery wall of the main body
It is identified with the number for being equipped with the output flow for representing low pressure medical oxygen is carved on the top end face of the rotational handle.
10. a kind of simple emergency inhalation device according to claim 3, it is characterised in that: the air inlet of the connector
End is connect by nut with the oxygen valve inflatable interface of the oxygen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821259776.5U CN208734959U (en) | 2018-08-06 | 2018-08-06 | A kind of simple emergency inhalation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701353A (en) * | 2019-09-12 | 2020-01-17 | 凯迈（洛阳）气源有限公司 | Oxygen supply pressure reducing valve for parachuting |
| CN111678040A (en) * | 2020-06-12 | 2020-09-18 | 煤科集团沈阳研究院有限公司 | Novel pressure reduction device and pressure reduction method for automatic periphyton |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701353A (en) * | 2019-09-12 | 2020-01-17 | 凯迈（洛阳）气源有限公司 | Oxygen supply pressure reducing valve for parachuting |
| CN111678040A (en) * | 2020-06-12 | 2020-09-18 | 煤科集团沈阳研究院有限公司 | Novel pressure reduction device and pressure reduction method for automatic periphyton |
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