CN207921728U - Medical oxygen system - Google Patents
Medical oxygen system Download PDFInfo
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- CN207921728U CN207921728U CN201820124626.7U CN201820124626U CN207921728U CN 207921728 U CN207921728 U CN 207921728U CN 201820124626 U CN201820124626 U CN 201820124626U CN 207921728 U CN207921728 U CN 207921728U
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- pressure
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- steering valve
- piston
- sensitive steering
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Abstract
The utility model discloses a kind of medical oxygen system,It is related to medical oxygen system field,Include the oxygen tank row being made of four oxygen tanks,Level-one pressure-sensitive Steering valve device is provided between two neighboring oxygen tank,Two level pressure-sensitive Steering valve device is provided between two neighboring level-one pressure-sensitive Steering valve device,Level-one pressure-sensitive Steering valve device,Two level pressure-sensitive Steering valve device includes pressure-sensitive Steering valve,Pressure-sensitive Steering valve includes cylinder,Piston is provided in cylinder,Cylinder both ends are both provided with air inlet pipe,Cylinder centre position is provided with exhaust pipe,Piston both ends are provided with groove,Groove upper wall is provided with the limiting device for limiting piston shift position,The opening for being connected to exhaust pipe is provided in recess sidewall,Piston is during moving left and right,Two openings are alternately connected to exhaust pipe,The check valve for being directed toward pressure-sensitive Steering valve is additionally provided in air inlet pipe,It maintains easily,And the operation is stable,Reduce operating personnel's work load.
Description
Technical field
The utility model is related to medical oxygen system fields, more particularly to the oxygen supply of alternately oxygen supply is carried out with multiple oxygen tanks
System.
Background technology
Central oxygen supply system is made of Central oxygen-supply source, pipeline, valve and oxygen quick socket terminal etc..Central oxygen-supply source
It is the core of medical center oxygen system, the oxygen in oxygen source is transported to each ward in each lesion by pipeline and decompressor
Quick socket terminal at, then by humidification machine for patients accepting oxygen inhalation, it is safe to use, quick and easy, is a kind of fast into several years
Hail the modernization Medical Devices of exhibition.
Central oxygen supply system is by oxygen tank group, bus-bar, auto-changeover control platform（It also can be manual）, the groups such as warning device
At.When using oxygen tank group as oxygen supply air source, oxygen tank is divided into two groups, and one group of work, one group spare；When oxygen in one group of bottle
When atmospheric pressure drops to a certain specified value, auto-changeover control platform is automatically switched, the i.e. continuous oxygen supply of spare oxygen tank group；Together
When, warning device sends out sound, visual alarm automatically, and warning staff replaces oxygen tank.When output pressure is less than specified value
When, warning device also sends out sound and light alarm signal, and warning takes measures；It, can be with liquid when liquid oxygen and oxygen oxygen tank are used in conjunction with
Based on oxygen, supplemented by oxygen tank or make spare.When being mounted with oxygenerator, to make by oneself based on oxygen source, oxygen tank is spare, oxygen channel
With stabilising arrangement oxygen after the decompression of Central oxygen-supply station level-one, pressure is kept to the oxygen of 0.4-0.5Mpa (adjustable) by conveyance conduit
It is transported in each floor, patient's breathing can be met and starts various lung ventilator, Anesthesia machine both at home and abroad, can also be supplied to hyperbaric oxygen chamber
Oxygen.
Since medical oxygen system oxygen consuming amount is big, and oxygen pneumatic is required high, it is therefore desirable to often replace oxygen supply oxygen
Tank, existing mode be by pressure transducer detect oxygen tank in air pressure, then by control centre control solenoid valve into
Row conversion gas circuit, this kind of mode can be rapidly performed by gas circuit switching, but high to control system dependence, it has not been convenient to safeguard.
Utility model content
The purpose of the utility model is to overcome deficiency in the prior art, provide one kind maintain easily and the operation is stable,
Reduce the medical oxygen system of operating personnel's work load.
The utility model is achieved through the following technical solutions：A kind of medical oxygen system, including by four oxygen tanks
The oxygen tank of composition is arranged, and level-one pressure-sensitive Steering valve device, two neighboring level-one pressure-sensitive are provided between two neighboring oxygen tank
Two level pressure-sensitive Steering valve device, the level-one pressure-sensitive Steering valve device, two level pressure-sensitive are provided between Steering valve device
Steering valve device includes pressure-sensitive Steering valve, and the pressure-sensitive Steering valve includes cylinder, and piston is provided in the cylinder,
The cylinder both ends are both provided with air inlet pipe, and the cylinder centre position is provided with exhaust pipe, and the piston both ends are provided with groove,
The groove upper wall is provided with the limiting device for limiting piston shift position, be provided in the recess sidewall for exhaust
The opening of pipe connection, during moving left and right, two openings are alternately connected to exhaust pipe piston, are also set up in the air inlet pipe
There is the check valve for being directed toward pressure-sensitive Steering valve.
Further, the limiting device includes the through-hole for being set to groove upper wall, and the through-hole lower end is provided with limit
Baffle ring, the through-hole interior sealing are provided with fore-set, and the fore-set upper end is provided with spacer pin, the cylinder inboard wall and spacer pin phase
Corresponding position is additionally provided with the slideway for limiting spacer pin shift position, and the slideway centre position is provided with groove.
Further, the spacer pin upper surface is inclined-plane, and the inclined-plane of two spacer pins is oppositely arranged.
Further, the through-hole upper end is provided with gland, and the spacer pin cross section is rectangle, the spacer pin upper end
Across gland.
Further, it is additionally provided with compression spring between the gland and fore-set.
Further, the groove upper end is provided with the stomata for extending to cylinder body outer wall.
Further, limit groove is provided on the cylinder lower end inner wall, the piston is corresponding with limit groove
Limit protrusion is provided at position.
Further, the limit channel bottom centre position is additionally provided with microswitch, and described limit protrusion or so moves
Microswitch can be triggered in dynamic process, the microswitch is connected with acoustic-optic alarm.
Further, air pressure sensing device further, the air pressure sensing device further packet are both provided on the lower wall at the cylinder both ends
The through-hole one being set on cylinder lower wall is included, one upper end of the through-hole is provided with limit baffle ring one, and one interior sealing of the through-hole is set
It is equipped with fore-set one, one lower end of the fore-set is provided with alarm column, and one lower end of the through-hole is provided with gland one, under the alarm column
End is installed in gland one, and compression spring one, the alarm column lower end coating are additionally provided between the gland one and fore-set one
Coloured enamel.
The beneficial effects of the utility model are：Multiple oxygen tanks are set, are supplied by multistage pressure-sensitive Steering valve device,
Can realize multi-purpose prepare more, until the air pressure of the last one oxygen tank is less than threshold values, can ensure for oxidation stability, by piston,
Limiting device controls the air inlet pipe being connected to exhaust pipe, need not be by electric control valve, and stability is high, maintains easily；Limit dress
It sets including fore-set, spacer pin, limit baffle ring, gland, compression spring, slideway, groove, can act under the influence of air pressure, and
The movement of piston is limited, ensures valve regular event, while control accuracy is high；Setting limit groove and limit protrusion,
It can avoid piston rotation；Microswitch is set, sending and receiving can go out to warn outward during valve is converted.
Description of the drawings
Fig. 1 is intended to for medical oxygen system structural diagrams；
Fig. 2 is pressure-sensitive Steering valve main view diagrammatic cross-section；
Fig. 3 is that A directional profiles diagram is intended to；
Fig. 4 is partial enlarged view schematic diagram at B；
Fig. 5 is partial enlarged view schematic diagram at C；
Wherein：1- cylinders, 2- pistons, 3- air inlet pipe, 4- exhaust pipes, 5- openings, 6- through-holes, 7- limit baffle rings, 8- fore-sets,
9- spacer pins, 10- slideways, 11- grooves, 12- stomatas, 13- limit grooves, 14- limit protrusions, 15- microswitches, 16- conducting wires,
17- glands, 18- compression springs, 19- sealing rings, 20- air pressure sensing device furthers, 21- fore-sets one, 22- alarm columns, 23- compression springs
One, 24- through-hole one, 25- glands one, 26- limit baffle rings one, 27- oxygen tanks, 28- tracheaes, 29- pressure-sensitive Steering valves, 30- are mono-
To valve.
Specific implementation mode
The technical solution of the utility model is illustrated below in conjunction with specific embodiment.
Embodiment 1
As shown in Figs. 1-5, a kind of medical oxygen system includes being arranged by the oxygen tank that four oxygen tanks 27 are constituted, and adjacent two
It is connected with level-one pressure-sensitive Steering valve device between a oxygen tank 27, is connected between two neighboring level-one pressure-sensitive Steering valve device
There are two level pressure-sensitive Steering valve device, level-one pressure-sensitive Steering valve device, two level pressure-sensitive Steering valve device to turn including pressure-sensitive
To valve 29, connected by tracheae 28 between level-one pressure-sensitive Steering valve device, two level pressure-sensitive Steering valve device, oxygen tank 27
It connects, pressure-sensitive Steering valve 29 includes cylinder 1, and cylinder 1 is that two valves being made of stainless steel form, and the docking plane of two valves is passed through
The axis of cylinder 1, the sealing of 1 both ends of cylinder are fixed with end cap, and two end cap has been respectively communicated with an air inlet pipe 3, has also pacified in air inlet pipe 3
Equipped with the check valve 30 for being directed toward pressure-sensitive Steering valve, 1 interior sealing of cylinder is equipped with piston 2, and piston 2 is cylindrical, among cylinder 1
Position is communicated with exhaust pipe 4, and 2 both ends of piston are provided with groove, and groove is cylinder, and groove upper wall is equipped with to be moved for limiting piston
The limiting device of dynamic position, limiting device include the through-hole 6 for being opened in groove upper wall, and through-hole 6 is circular hole, 6 lower end of through-hole and work
Plug 2 has been integrally machined limit baffle ring 7, and 6 interior sealing of through-hole is equipped with fore-set 8, and fore-set 8 is cylinder, is equipped on 8 side wall of fore-set close
Seal 19,8 upper end of fore-set are fixed with upward spacer pin 9, and 9 cross section of spacer pin is rectangle, and 9 upper surface of spacer pin is inclined-plane,
The inclined-plane of two spacer pins 9 is oppositely arranged, and is also provided at 1 inner wall of cylinder and 9 opposite position of spacer pin and is moved for limiting spacer pin
The slideway 10 of dynamic position, 10 centre position of slideway are provided with groove 11, and the section of slideway 10 and groove 11 is rectangle, on through-hole 6
End screw thread has tightened gland 17, and 9 upper end of spacer pin passes through gland 17, compression spring 18 is also equipped between gland 17 and fore-set 8,
The opening 5 for being connected to exhaust pipe 4 is provided in recess sidewall, piston 2 during moving left and right, two opening 5 alternately with
Exhaust pipe 4 is connected to.
11 upper end of groove is provided with the stomata 12 for extending to 1 outer wall of cylinder.
Limit groove 13 is provided on 1 lower end inner wall of cylinder, 2 lower end of piston and one at limit 13 opposite position of groove are solid
There are limit protrusion 14,13 bottom centre position of limit groove to be also equipped with microswitch 15 surely, what limit protrusion 14 moved left and right
Microswitch 15 can be triggered in the process, and microswitch 15 is connected with acoustic-optic alarm, acoustic-optic alarm by conducting wire 16
Including controller, display and audible-visual annunciator, the signal of each microswitch can be shown, record, warn.
Air pressure sensing device further 20 is mounted on the lower wall at cylinder both ends, air pressure sensing device further 20 includes being opened in cylinder 1
Through-hole 1 on lower wall, one 24 upper end of through-hole are equipped with limit baffle ring 1, and one 24 interior sealing of through-hole is equipped with fore-set 1,
One 21 lower end of fore-set is equipped with alarm column 22, and one 24 lower end of through-hole is equipped with gland 1, and 22 lower end of alarm column is installed on gland
In one 25, compression spring 1 is also equipped between gland 1 and fore-set 1,22 lower end of alarm column coats coloured enamel, colored paint
For red paint.
The operation principle of pressure-sensitive Steering valve is as follows in the present embodiment：Under original state, two air inlet pipe are connected to oxygen
Gas tank first opens the safety valve of left side oxygen tank, and air pressure pushes piston to move right, while the fore-set in left side pushes corresponding limit
Position pin moves up, and air pressure pushes fore-set one to move down, and alarm column lower end leaks out through-hole one, and piston moves right to right side
Spacer pin and slideway right end wall pressure are tight, and left side air inlet pipe is open by left side and is connected with exhaust pipe at this time, and spacer pin is located at groove
It is interior, the safety valve of right side oxygen tank, air pressure push piston to the left are opened, while pushing up the fore-set on right side, due to the limit in left side
Position pin is stuck with groove left end wall, and piston is immovable, and when the air pressure in left side reduces, the compression spring in left side pushes accordingly
Fore-set moves down, and spacer pin and the groove left end wall in left side are detached from, and piston is moved to the left, until the spacer pin in left side is left with slideway
End wall squeezes, and right side air inlet pipe is connected by right openings with exhaust pipe at this time, during piston moves from right to left, limit
A position protrusion microswitch of triggering, and then alert news is sent out by acoustic-optic alarm, remind maintenance personnel to replace left side oxygen
Tank, when the air pressure in left side reduces, compression spring one pushes fore-set one to move up, alarm column lower end retraction through-hole one, it was demonstrated that
The road air pressure is low, and maintenance personnel can accurately find the oxygen cylinder needed replacing.
Based on above-mentioned principle, medical oxygen system can adjust automatically gas circuit, ensure air pressure, while maintaining easily personnel and looking into
Look for the gas cylinder needed replacing.
The medical oxygen system provided in this embodiment oxygen on probation being made of more than two oxygen cylinders is arranged, it is only necessary to root
According to the pressure-sensitive Steering valve device for needing that more stages is arranged, easy to use and maintenance.
Claims (9)
1. a kind of medical oxygen system includes the oxygen tank row being made of four oxygen tanks, it is characterised in that：Two neighboring oxygen
It is provided with level-one pressure-sensitive Steering valve device between tank, two level sense is provided between two neighboring level-one pressure-sensitive Steering valve device
It includes pressure-sensitive switching valve to press Steering valve device, the level-one pressure-sensitive Steering valve device, two level pressure-sensitive Steering valve device
Door, the pressure-sensitive Steering valve includes cylinder, and piston is provided in the cylinder, and the cylinder both ends are both provided with air inlet pipe,
The cylinder centre position is provided with exhaust pipe, and the piston both ends are provided with groove, and the groove upper wall is provided with for limiting
The limiting device of piston shift position, the opening for being connected to exhaust pipe is provided in the recess sidewall, and piston is moved in left and right
In dynamic process, two openings are alternately connected to exhaust pipe, are additionally provided in the air inlet pipe and are directed toward the unidirectional of pressure-sensitive Steering valve
Valve.
2. medical oxygen system according to claim 1, it is characterised in that：The limiting device includes being set on groove
The through-hole of wall, the through-hole lower end are provided with limit baffle ring, and the through-hole interior sealing is provided with fore-set, the fore-set upper end setting
There is spacer pin, the cunning for limiting spacer pin shift position is additionally provided at the cylinder inboard wall and spacer pin opposite position
Road, the slideway centre position are provided with groove.
3. medical oxygen system according to claim 2, it is characterised in that：The spacer pin upper surface is inclined-plane, two limits
The inclined-plane of position pin is oppositely arranged.
4. medical oxygen system according to claim 2, it is characterised in that：The through-hole upper end is provided with gland, described
Spacer pin cross section is rectangle, and the spacer pin upper end passes through gland.
5. medical oxygen system according to claim 4, it is characterised in that：Be additionally provided between the gland and fore-set by
Pressing spring.
6. medical oxygen system according to claim 2, it is characterised in that：The groove upper end, which is provided with, to be extended to outside cylinder
The stomata of wall.
7. medical oxygen system according to claim 1, it is characterised in that：It is provided with position-limited groove on the cylinder lower end inner wall
It is provided with limit protrusion at slot, the piston and limit groove opposite position.
8. medical oxygen system according to claim 7, it is characterised in that：The limit channel bottom centre position is also set
It is equipped with microswitch, the limit protrusion can trigger microswitch during moving left and right, the microswitch is connected with
Acoustic-optic alarm.
9. medical oxygen system according to claim 1, it is characterised in that：It is both provided on the lower wall at the cylinder both ends
Air pressure sensing device further, the air pressure sensing device further include the through-hole one being set on cylinder lower wall, the setting of one upper end of the through-hole
There are limit baffle ring one, one interior sealing of the through-hole to be provided with fore-set one, one lower end of the fore-set is provided with alarm column, the through-hole
One lower end is provided with gland one, and the alarm column lower end is installed in gland one, is also set up between the gland one and fore-set one
There are compression spring one, the alarm column lower end to coat coloured enamel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820124626.7U CN207921728U (en) | 2018-01-25 | 2018-01-25 | Medical oxygen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820124626.7U CN207921728U (en) | 2018-01-25 | 2018-01-25 | Medical oxygen system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207921728U true CN207921728U (en) | 2018-09-28 |
Family
ID=63605463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820124626.7U Active CN207921728U (en) | 2018-01-25 | 2018-01-25 | Medical oxygen system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207921728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007601A (en) * | 2021-03-31 | 2021-06-22 | 浙江强盛医用工程有限公司 | Medical center oxygen supply device and installation method thereof |
-
2018
- 2018-01-25 CN CN201820124626.7U patent/CN207921728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007601A (en) * | 2021-03-31 | 2021-06-22 | 浙江强盛医用工程有限公司 | Medical center oxygen supply device and installation method thereof |
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