CN201090777Y - Combined type gas distributing valve special for oxygen or nitrogen making machine - Google Patents
Combined type gas distributing valve special for oxygen or nitrogen making machine Download PDFInfo
- Publication number
- CN201090777Y CN201090777Y CNU2007201147920U CN200720114792U CN201090777Y CN 201090777 Y CN201090777 Y CN 201090777Y CN U2007201147920 U CNU2007201147920 U CN U2007201147920U CN 200720114792 U CN200720114792 U CN 200720114792U CN 201090777 Y CN201090777 Y CN 201090777Y
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- Prior art keywords
- valve
- cavity
- exhaust
- control switch
- air
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- 239000007789 gas Substances 0.000 title claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 12
- 239000001301 oxygen Substances 0.000 title claims description 12
- 229910052760 oxygen Inorganic materials 0.000 title claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000008030 elimination Effects 0.000 claims description 19
- 238000003379 elimination reaction Methods 0.000 claims description 19
- 230000003584 silencer Effects 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000002808 molecular sieve Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a combined gas distributing valve used for a mini-size oxygen-nitrogen generator, comprising a valve body, a valve upper cover and a valve lower cover; the valve upper cover is provided with a pilot valve I and a pilot valve II; two triple valve control switches I, II are arranged in one of the cavity units of the valve body; the two triple valve control switches I, II are composed of upper control mechanisms I, II and lower control mechanisms I, II; an air inlet communicated with the cavity units is respectively arranged on the valve body; a check valve is arranged between the air inlet and an air chamber of the valve body cavity unit. The utility model is characterized in that an exhaust cavity I and an exhaust cavity II communicated with the two triple valve control switches I, II are also arranged; a check valve is arranged on the exhaust outlet so that the air distributing valve is separated from the air when the generator is shut down, so as to prolong the service life of a molecular sieve; besides, the arrangement of a noise eliminator helps eliminate the noise during the running process of the valve body.
Description
Technical field
The utility model belongs to combined gas distributing valve field, particularly a kind of combined gas distributing valve that is exclusively used in small-sized system oxygen (nitrogen) machine.
Background technique
Small-sized oxygenerator is a kind of medical assistance and health care facility.It is with pressurized air purification separation after filtration, and the gas that provides oxygen content to reach medical standard is used for the treatment of or keeps healthy.The working procedure of small-sized oxygenerator system oxygen is: the air-filtering compression purifies, and enters distributing valve from the distributing valve intake interface, enters adsorption tanks system oxygen (nitrogen) by the adsorption tanks interface on the distributing valve, provides use by output after the gas holder voltage stabilizing then.The waste gas that produces in system oxygen (nitrogen) process is then discharged by distributing valve main exhaust interface.The Chinese patent communique discloses a kind of utility model patent, patent early please number be 20052002288.9 " system oxygen or the box-like gas distributing valve of nitrogen generator dedicated set ", this patent comprises: be furnished with the valve body of valve air cavity I, valve air cavity II and independent exhaustion cavity, also be furnished with pilot valve I and pilot valve II on described valve body; In described valve body cavity unit, be furnished with two-position three-way valve control switch I and two-position three-way valve control switch I I; Described two-position three-way valve control switch I is identical with two-position three-way valve control switch I I structure, contains: switch wall I, II, produce last control mechanism I, the II of clutch and descend control mechanism I, II with described switch wall I, II; Be respectively equipped with the intake interface that communicates with valve body cavity unit on the described valve body, be furnished with one-way valve between described intake interface and valve body cavity unit air chamber; The active chamber one tunnel of described pilot valve I and pilot valve II communicates with valve body cavity unit air chamber, and another road communicates with valve air cavity I and valve air cavity II respectively successively; The relief opening of described two-position three-way valve control switch I, II communicates with valve body cavity unit; The relief opening of described two-position three-way valve control switch I, II communicates with the independent exhaustion cavity;
Making gas distributing valve that oxygen (nitrogen) machine uses in the prior art, to have a volume little, and from outside connection is simple, and rate of fault is low, thrust is big, the advantage that operational efficiency is high, but it can occur the defective of exhaust sound, the problem that working life is low when existing the cohesion water of body cavity to discharge smooth and relief opening exhaust.
The model utility content
The purpose of this utility model is to provide a kind of natural drainage function that has, long service life, and can eliminate the system oxygen or the box-like gas distributing valve of nitrogen generator dedicated set of certain exhaust sound,
The purpose of this utility model is achieved in that a kind of system oxygen or the box-like gas distributing valve of nitrogen generator dedicated set, comprise: be furnished with the valve body (1) of valve air cavity I (18), valve air cavity II (24) and independent exhaustion cavity (32), on described valve body (1), also be furnished with pilot valve I (20) and pilot valve II (23); In described valve body (1) cavity unit, be furnished with two-position three-way valve control switch I and two-position three-way valve control switch I I; Described two-position three-way valve control switch I is identical with two-position three-way valve control switch I I structure, contains: switch wall I, II (30,31), produce last control mechanism I, the II of clutch and descend control mechanism I, II with described switch wall I, II (30,31); Be respectively equipped with the intake interface (8) that communicates with valve body (1) cavity unit on the described valve body (1), be furnished with one-way valve (26) between described intake interface (8) and valve body (1) cavity unit air chamber (15); The active chamber one tunnel of described pilot valve I (20) and pilot valve II (23) communicates with valve body (1) cavity unit air chamber (15), and another road communicates with valve air cavity I (18) and valve air cavity II (24) respectively successively; The relief opening of described two-position three-way valve control switch I, II communicates with valve body (1) cavity unit; It is characterized in that being provided with exhaust cavity I (32) and exhaust cavity II (40), exhaust cavity I (32) communicates with two-position three-way valve control switch I, exhaust cavity II (40) communicates with two-position three-way valve control switch I I, and be provided with the vent tank with exhaust and drain function (39) that communicates with exhaust cavity I (32) and communicate with exhaust cavity II (40), several check valve sheet (34) are installed on vent tank (39).
Described exhaust box (39) is provided with silencer (60).
Described silencer (60) is made up of eliminate the noise lid (37) and noise elimination base plate (36).
Be provided with several check valve sheet (34) in the described noise elimination base plate (36), noise elimination base plate (36) upper-end surface has into hole (52), the lower end surface has portal (51), one cavity I is arranged between upper-end surface and lower end surface, cavity I is provided with check valve sheet (34), check valve sheet (34) is by a supporting post (35) location of noise elimination base plate (36) lower end surface, at the noise elimination base plate (36) and the formation one cavity II between the lid (37) that eliminates the noise, the end of cavity II has an air outlet (38), and cavity II fills with a noise reduction foam (9).
The suction port of described two-position three-way valve control switch I and two-position three-way valve control switch I I and the ventilation sectional area of relief opening differ 50%-100%, and relief opening is greater than suction port.
Compared with prior art; advantage of the present utility model is: two exhaust ports (9,34) with exhaust and drain function that described two-position three-way valve control switch I and two-position three-way valve control switch I I communicate; two relief openings (9,34) can be discharged cavity to the cohesion water that accumulates in inner chamber; greatly improved using effect of the present utility model; be provided with one-way valve at relief opening; in the time of can guaranteeing to shut down like this; distributing valve and isolated from atmosphere; to prolong the working life of molecular sieve; also be provided with silencer in addition, the noise that has sent when having eliminated valve body work.
Description of drawings
The utility model is described in further detail below in conjunction with the described mode of execution of accompanying drawing.
Fig. 1 is the utility model gas distributing valve generalized section;
Fig. 2 is that the utility model gas distributing valve is along A-A sectional view among the figure I;
Fig. 3 is the utility model gas distributing valve structural representation;
Fig. 4 is the utility model gas distributing valve exhaust valve plate generalized section;
Fig. 5 is the utility model gas distributing valve exhaust valve plate schematic representation;
Fig. 6 is the utility model gas distributing valve air-intake valve plate schematic representation.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises: be furnished with valve air cavity I18, valve air cavity II24, eliminate the noise and to cover 37 and the valve body 1 of exhaust cavity I 32, exhaust cavity II40, also be furnished with pilot valve I20 and pilot valve II23 on described valve body 1; In described valve body 1 cavity unit, be furnished with two-position three-way valve control switch I and two-position three-way valve control switch I I; Described two-position three-way valve control switch I contains: switch wall I30, produce the last control mechanism I of clutch and descend control mechanism I with described switch wall I30; The last control mechanism II of described two-position three-way valve control switch I I contains: the last control mechanism II that switch wall II31 and described switch wall II31 produce clutch reaches control mechanism II down; Be respectively equipped with the intake interface 8 that communicates with valve body 1 cavity unit, the vent tank 39 that communicates with two-position three-way valve control switch I and two-position three-way valve switch I I inner chamber, the adsorption tanks interface I11 that communicates with valve control switch I and valve control switch I I inner chamber and adsorption tanks interface II6 on the described valve body 1, cover the 37 noise elimination base plates 36 that match with noise elimination; Is furnished with one-way valve 26 at described intake interface 8 and valve body 1 15 of cavity unit air chambers; The active chamber one tunnel of described pilot valve I20 and pilot valve II23 communicates with valve body 1 cavity unit air chamber 15, and another road communicates with valve air cavity I18 and valve air cavity II24 respectively successively; The relief opening of described two-position three-way valve control switch I and two-position three-way valve control switch I I communicates with valve body 1 cavity unit; Exhaust cavity I32 and exhaust cavity II40, exhaust cavity I32 communicates with two-position three-way valve control switch I, exhaust cavity II40 communicates with two-position three-way valve control switch I I, and is provided with the vent tank 39 that communicates with exhaust cavity I32 and communicate and have exhaust and drain function with exhaust cavity II 40; Two relief openings can be discharged cavity to the cohesion water that accumulates in inner chamber, have greatly improved using effect of the present utility model.
On vent tank 39, be provided with silencer 60 with exhaust and drain function, silencer 60 cover by eliminating the noise 37 and noise elimination base plate 36 form; Be provided with several check valve sheet 34 in the noise elimination base plate 36, there is into hole 52 noise elimination base plate 36 upper-end surfaces, the lower end surface has portals 51, one cavity I is arranged between upper-end surface and lower end surface, cavity I is provided with check valve sheet 34, check valve sheet 34 is by a supporting post 35 location of noise elimination base plate 36 lower end surfaces, after discharging from exhaust cavity I and exhaust cavity II, gas 51 discharges from portalling again to check valve sheet 34 through entering hole 52, owing to used check valve sheet 34, so just make that distributing valve and ambient atmosphere are isolated. so that prolong the working life of molecular sieve, at noise elimination base plate 36 and eliminate the noise cover 37 between formation one cavity II, the end of cavity II has an air outlet 38, and cavity II fills with a noise reduction foam 9, the noise that has sent when so just having eliminated valve body work.
The last control mechanism I that adopts contains: exhaust valve plate I21, valve rod I19; Described control mechanism I down contains: air-intake valve plate I10, spring I12; Described exhaust valve plate I21 is socketed on the valve rod I19; Described spring I12 is assigned in valve rod I19 lower end; The described control mechanism II that goes up contains: exhaust valve plate II22, valve rod II4; Following control mechanism II contains: air-intake valve plate II7, spring II5; Described exhaust valve plate II22 is socketed on the valve rod II4; Described spring I15 is assigned in valve rod II4 lower end.Last control mechanism I, down control mechanism I, go up control mechanism II and down control mechanism II be mainly used in unlatching and the closure of control two-position three-way valve control switch I and two-position three-way valve control switch I I, multiple structural type can be arranged, such as adopting automatically controlled mode, also can adopt other control mode, after its major function is to receive impact signal, can effectively realize the unlatching and the closure of two-position three-way valve control switch.
The convex structure is adopted at the middle part of exhaust valve plate I21, exhaust valve plate II22, air-intake valve plate I10 and air-intake valve plate II7.The suction port of two-position three-way valve control switch I and two-position three-way valve control switch I I and the bore of relief opening differ 50%-100%.Described air-intake valve plate I10 and exhaust valve plate I21 contact with switch wall I30 port surface; Described air-intake valve plate II7 and exhaust valve plate II22 contact with switch wall II31 port surface, the so quite line contact before, and sealing effect of the present utility model has obtained remarkable enhancing.
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model constitutes a cavity unit air chamber 15 by valve body 1 and bonnet 17, bottom flange 14.Contain two groups of two-bit triplet air valves in the cavity unit air chamber 15, each air valve contains air-intake valve plate and the exhaust valve plate that valve rod is connected with valve rod.At air-intake valve plate one end a Returnning spring is arranged.Cavity unit air chamber 15 by the road be contained in valve gap on pilot valve communicate, pilot valve then communicates with the valve air cavity through gas circuit.Valve block (referring to accompanying drawing 4, Fig. 5, Fig. 6) is made by whippy silicone rubber.Pressurized air enters cavity unit air chamber 15 by one-way valve 26 after entering valve body 1 by intake interface 8.Under Single-chip Controlling, pilot valve II 23 energisings are opened, pressurized air in the cavity unit air chamber 15 enters the active chamber of pilot valve II23 through gas-entered passageway 27, pressurized air in the pilot valve II23 active chamber enters valve air cavity II24 through pilot valve outlet passageway 28 again, under compressed-air actuated effect, exhaust valve plate II 22 is pushed down, two-position three-way valve control switch I I is opened, pressurized air enters the inner chamber of two-position three-way valve control switch I I through the suction port 3 of the vent 33 of air-intake valve plate II7 and air-intake valve plate II 7, and then enters adsorption tanks through adsorption tanks interface II 6.When the pressure in the adsorption tanks (time) when reaching certain value, to close through Single-chip Controlling pilot valve II 23, the pressurized air among the valve air cavity II 24 is discharged from the air outlet 29 of pilot valve II23.This moment is because the effect of gas and Returnning spring II5, exhaust valve plate II 22 returns, and air-intake valve plate II 7 closes.Gas enters independent exhaustion cavity 32 from the air outlet 25 of two-position three-way valve control switch I I in the adsorption tanks, discharge by exhaust port 54, exhaust port 54 is discharged to exhaust box 39 to gas, again by exhaust box 39, to silencer 60, in silencer 60, elder generation is by the check valve sheet 34 of noise elimination base plate 36,,, discharge by air outlet 38 at last to exhaust cavity II from check valve sheet 34 through the sound deadening of noise reduction foam 9.
When electromagnetic priority valve I 20 energisings, then pressurized air enters the valve air cavity I 18 from cavity unit air chamber 15 through guide I 20, promote exhaust valve plate I 21, make another valve open, pressurized air enters the inner chamber of two-position three-way valve control switch I from the suction port 13 of two-position three-way valve control switch I, I11 enters another adsorption tanks through the adsorption tanks interface, when pressure (time) when reaching certain value, I20 closes through monolithic control pilot valve, pressurized air among the valve air cavity I18 is from pilot valve I 20 returns, air-intake valve plate I10 closes, and gas enters independent exhaustion cavity 32 from the relief opening 16 of two-position three-way valve control switch I in the adsorption tanks, is discharged by exhaust port 54, exhaust port 54 is discharged to exhaust box 39 to gas, again by exhaust box 39, to silencer 60, in silencer 60, elder generation is by the check valve sheet 34 of noise elimination base plate 36,,, discharge by air outlet 38 at last to exhaust cavity II from check valve sheet 34 through the sound deadening of noise reduction foam 9.Like this, two valve alternating movements, the hocket overall process of gas one absorption one exhaust action of two adsorption towers.
Claims (5)
1. make oxygen or the box-like gas distributing valve of nitrogen generator dedicated set for one kind, comprising: be furnished with the valve body (1) of valve air cavity I (18), valve air cavity II (24), on described valve body (1), also be furnished with pilot valve I (20) and pilot valve II (23); In described valve body (1) cavity unit, be furnished with two-position three-way valve control switch I and two-position three-way valve control switch I I; Described two-position three-way valve control switch I is identical with two-position three-way valve control switch I I structure, contains: switch wall I, II (30,31), produce last control mechanism I, the II of clutch and descend control mechanism I, II with described switch wall I, II (30,31); Be respectively equipped with the intake interface (8) that communicates with valve body (1) cavity unit on the described valve body (1), be furnished with one-way valve (26) between described intake interface (8) and valve body (1) cavity unit air chamber (15); The active chamber one tunnel of described pilot valve I (20) and pilot valve II (23) communicates with valve body (1) cavity unit air chamber (15), and another road communicates with valve air cavity I (18) and valve air cavity II (24) respectively successively; The relief opening of described two-position three-way valve control switch I, II communicates with valve body (1) cavity unit; It is characterized in that being provided with exhaust cavity I (32) and exhaust cavity II (40), exhaust cavity I (32) communicates with two-position three-way valve control switch I, exhaust cavity II (40) communicates with two-position three-way valve control switch I I, and be provided with the vent tank with exhaust and drain function (39) that communicates with exhaust cavity I (32) and communicate with exhaust cavity II (40), several check valve sheet (34) are installed on vent tank (39).
2. system oxygen according to claim 1 or the box-like gas distributing valve of nitrogen generator dedicated set is characterized in that: described exhaust box (39) is provided with silencer (60).
3. system oxygen according to claim 2 or the box-like gas distributing valve of nitrogen generator dedicated set is characterized in that: described silencer (60) is made up of eliminate the noise lid (37) and noise elimination base plate (36).
4. system oxygen according to claim 3 or the box-like gas distributing valve of nitrogen generator dedicated set, it is characterized in that: be provided with several check valve sheet (34) in the described noise elimination base plate (36), noise elimination base plate (36) upper-end surface has into hole (52), the lower end surface has portal (51), one cavity I is arranged between upper-end surface and lower end surface, cavity I is provided with check valve sheet (34), check valve sheet (34) is by a supporting post (35) location of noise elimination base plate (36) lower end surface, at the noise elimination base plate (36) and the formation one cavity II between the lid (37) that eliminates the noise, the end of cavity II has an air outlet (38), and cavity II fills with a noise reduction foam (9).
5. system oxygen according to claim 1 or the box-like gas distributing valve of nitrogen generator dedicated set, it is characterized in that: described two-position three-way valve control switch I and the suction port of two-position three-way valve control switch I I and the ventilation sectional area of relief opening differ 50%-100%, and relief opening is greater than suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201147920U CN201090777Y (en) | 2007-09-18 | 2007-09-18 | Combined type gas distributing valve special for oxygen or nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201147920U CN201090777Y (en) | 2007-09-18 | 2007-09-18 | Combined type gas distributing valve special for oxygen or nitrogen making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090777Y true CN201090777Y (en) | 2008-07-23 |
Family
ID=39862537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201147920U Expired - Fee Related CN201090777Y (en) | 2007-09-18 | 2007-09-18 | Combined type gas distributing valve special for oxygen or nitrogen making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090777Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200110A (en) * | 2011-01-21 | 2011-09-28 | 佛山市广顺电器有限公司 | Sound reduction structure of air inlet piston |
| CN105485363A (en) * | 2015-12-18 | 2016-04-13 | 惠州市美亚飞电器有限公司 | Rotary separating valve and method for prolonging service life of oxygen generator |
| CN105508668A (en) * | 2015-12-18 | 2016-04-20 | 惠州市美亚飞电器有限公司 | Electromagnetic type separating valve and method for increasing life of oxygen making machine |
-
2007
- 2007-09-18 CN CNU2007201147920U patent/CN201090777Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200110A (en) * | 2011-01-21 | 2011-09-28 | 佛山市广顺电器有限公司 | Sound reduction structure of air inlet piston |
| CN102200110B (en) * | 2011-01-21 | 2015-05-13 | 佛山市广顺电器有限公司 | Sound reduction structure of air inlet piston |
| CN105485363A (en) * | 2015-12-18 | 2016-04-13 | 惠州市美亚飞电器有限公司 | Rotary separating valve and method for prolonging service life of oxygen generator |
| CN105508668A (en) * | 2015-12-18 | 2016-04-20 | 惠州市美亚飞电器有限公司 | Electromagnetic type separating valve and method for increasing life of oxygen making machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20100918 |