CN204062045U - A kind of carbon dioxide reduction valve - Google Patents
A kind of carbon dioxide reduction valve Download PDFInfo
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- CN204062045U CN204062045U CN201420296796.5U CN201420296796U CN204062045U CN 204062045 U CN204062045 U CN 204062045U CN 201420296796 U CN201420296796 U CN 201420296796U CN 204062045 U CN204062045 U CN 204062045U
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Abstract
The utility model provides a kind of carbon dioxide reduction valve, belongs to valve technology field.It solve the problem that existing carbon dioxide reduction valve decompression efficiency is not high.This carbon dioxide reduction valve comprises high pressure valve body, the external side of high pressure valve is also fixed with a safety valve, safety valve inner chamber communicates with low-pressure cavity, safety valve offers away from one end of high pressure valve body the exhaust port one communicated with safety valve inner chamber, form a cavity in valve rod one and offer with top the exhaust port two and exhaust port three that communicate with cavity respectively bottom valve rod one, exhaust port two communicates with low-pressure cavity, the spool one exhaust port two and cavity being communicated or cuts off is provided with in valve rod one, one end of spool one is connected with Compress Spring one and the other end of this Compress Spring one is resisted against on valve rod one inner roof wall, valve gap top offers through hole one.This carbon dioxide reduction valve has the high advantage of decompression efficiency.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of reduction valve, particularly a kind of reduction valve for carbon dioxide.
Background technique
Carbon dioxide decompressor is generally the decompressor of bottled gas.When inlet pressure and rate of discharge change, the aperture of the open-shut device in control valve body is adopted to regulate the flow of medium, the pressure of medium is reduced, simultaneously by the aperture of the effect adjustment open-shut device of downstream pressure, downstream pressure is kept within the specific limits, ensures that its outlet pressure remains stable all the time.
As a kind of carbon dioxide needle type pressure reducing valve [application number: 200820046617.7 that Chinese patent literature data openly proposes, Authorization Notice No.: CN 201190826 Y], it comprises valve body, regulate a lid, pressure adjusting spring lid, screw press, pressure adjusting spring, regulator board, collection pressure sheet rubber, gasket ring, power transmission lid, is characterized in that: also have lock bolt, lock stream ring, flow guide sleeve, activity pressure regulation pin, Returnning spring, noise reduction ventail, flow guide sleeve hangs in the hyperbaric chamber in the middle part of valve body, noise reduction ventail is flush-mounted in the nearly bottom place of flow guide sleeve, the top of flow guide sleeve is embedded with lock stream ring, lock bolt is bolted in the middle part of valve body, and be positioned on flow guide sleeve and lock stream ring, activity pressure regulation pin is positioned at flow guide sleeve, Returnning spring is arranged with between its underpart and noise reduction ventail, lock stream ring can be withstood in the middle part of it, the needle like section on its top is connected with power transmission lid through lock stream ring and lock bolt, power transmission is covered on lock bolt, and be positioned at the low-pressure cavity on valve body top, a lid is regulated to be spirally connected with the top of valve body, gasket ring and collection pressure sheet rubber is provided with at the place of being spirally connected, collect pressure sheet rubber clamping connection between power transmission lid and regulator board, screw press is bolted in and regulates a tops, its underpart connects with pressure adjusting spring lid, pressure adjusting spring is located between pressure adjusting spring lid and regulator board, be provided with in the exhaust cavity of valve body side by superpressure venting plug, exhaust pressure adjusting spring, exhaust pressure regulating cover, the exhaust gear of spring cup composition, superpressure venting plug is flush-mounted in spring cup, and seals low pressure alveolus and the passage in exhaust alveolus in valve body, and be vented pressure regulating cover and be bolted on valve body, exhaust pressure adjusting spring is loaded between spring and exhaust pressure regulating cover.
When in low-pressure cavity, pressure exceedes predefined value, above-mentioned carbon dioxide reduction valve is exhausted by means of only the venting gas appliance being arranged on valve body side the pressure reduced in low pressure to low-pressure cavity, and decompression efficiency is not high.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of carbon dioxide reduction valve high to low-pressure cavity decompression efficiency.
The purpose of this utility model realizes by following technical proposal: a kind of carbon dioxide reduction valve, comprise a high pressure valve body, clamping cap is provided with and high pressure valve intracoelomic cavity is separated into hyperbaric chamber and low-pressure cavity by this clamping cap in described high pressure valve body, described hyperbaric chamber and low-pressure cavity are communicated by the attachment hole one being arranged on above-mentioned clamping cap upper end, the external side of described high pressure valve is fixed with a ball valve and this ball valve inner chamber communicates with above-mentioned low-pressure cavity, described high pressure valve body threaded upper ends is connected with valve gap and clamps a diaphragm between high pressure valve body and valve gap, uuper valve chamber is formed between described diaphragm and valve gap, a valve rod one is provided with in described low-pressure cavity, one end of this valve rod one is through diaphragm and be positioned at uuper valve chamber and its other end and diaphragm lean, an adjusting part is provided with and this adjusting part acts on above-mentioned diaphragm in described uuper valve chamber, pad one and thimble that one has center hole is provided with in described hyperbaric chamber, described pad one edge is clamped between above-mentioned clamping cap and hyperbaric chamber inwall, described thimble one end leans with valve rod one with clamping cap mutually through the center hole of above-mentioned pad one, the other end of this thimble is arranged with balance spring and can by above-mentioned pad one center hole sealing in the middle part of thimble, described high pressure valve body offers inlet hole one and inlet hole one communicates with above-mentioned hyperbaric chamber, it is characterized in that, the external side of described high pressure valve is also fixed with a safety valve, described safety valve inner chamber communicates with above-mentioned low-pressure cavity, described safety valve offers away from one end of high pressure valve body the exhaust port one communicated with safety valve inner chamber, form a cavity in described valve rod one and offer with top the exhaust port two and exhaust port three that communicate with cavity respectively bottom valve rod one, described exhaust port two communicates with above-mentioned low-pressure cavity, the spool one making exhaust port two and above-mentioned cavity communicate or cut off is provided with in described valve rod one, one end of described spool one is connected with Compress Spring one and the other end of this Compress Spring one is resisted against on above-mentioned valve rod one inner roof wall, described valve gap top offers through hole one.
When this reduction valve does not work, pad one center hole is blocked by thimble under the effect of balance spring, and exhaust port two is blocked by spool one under the effect of Compress Spring one; During work, by adjusting part force, be delivered to diaphragm, valve rod one moved down, thus thimble is moved down, pad one center hole is opened; Carbon dioxide enters in hyperbaric chamber from inlet hole one, and flow into low-pressure cavity by center hole and attachment hole one, and now thimble under the effect of carbon dioxide and balance spring on move and reach a balance with valve rod one; When the pressure in low-pressure cavity is greater than setting value, carbon dioxide flow into valve rod in the lump by exhaust port three and discharge through through hole one, carbon dioxide to be flow in safety valve and to be discharged by exhaust port one; When the pressure in low-pressure cavity is in stable, open ball valve, now in low-pressure cavity, remaining carbon dioxide can be flowed out by ball valve; By adopting exhaust port one and exhaust port San Tong method to reduce pressure to the gas in high pressure valve body, there is the decompression efficiency improving this reduction valve.
In above-mentioned carbon dioxide reduction valve, the threaded one end that described valve rod one is positioned at described uuper valve chamber is connected with the nut of a hollow, is provided with pad two and above-mentioned adjusting part acts on this pad two between described nut and above-mentioned diaphragm.Valve rod one has been threaded nut, makes valve rod one more stable with the connection of diaphragm; Pad two one end and nut lean, the other end and diaphragm against, by adjusting part force, be delivered on pad two, then be delivered on diaphragm, valve rod one is moved down.
In above-mentioned carbon dioxide reduction valve, described spool one is in shaft-like, in the middle part of described spool one, there is annular convex shoulder, one end of above-mentioned Compress Spring one is resisted against on this annular convex shoulder, is provided with 0 RunddichtringO and the lower end surface of this 0 RunddichtringO is resisted against on the interior diapire of above-mentioned valve rod one between described annular convex shoulder and above-mentioned exhaust port two.
In above-mentioned carbon dioxide reduction valve, the end that described valve rod one is positioned at above-mentioned low-pressure cavity has the annular protrusion protruded downwards, described thimble leans mutually with this annular protrusion, and described annular protrusion axially runs through has some through holes two and described through hole two communicates with above-mentioned exhaust port two.
In above-mentioned carbon dioxide reduction valve, the screw that described adjusting part comprises the Regulation spring being positioned at above-mentioned uuper valve chamber, the jacking block leant with Regulation spring and is threaded in above-mentioned valve gap top, the described Regulation spring the other end is resisted against on above-mentioned pad two, and described screw to extend in above-mentioned uuper valve chamber and is resisted against on jacking block.During work, rotating screw moves down, and impels jacking block to move down, is compressed downwards by Regulation spring, and by pad two and diaphragm, valve rod one is moved down.
In above-mentioned carbon dioxide reduction valve, described safety valve comprises the Safety valve body be threaded with above-mentioned high pressure valve body, one end that described Safety valve body is positioned at above-mentioned high pressure valve body has suction port, in described low-pressure cavity, diapire offers attachment hole two, and described attachment hole two communicates with above-mentioned suction port, described Safety valve body is connected with safe valve gap away from the threaded one end of high pressure valve body, a spool two making above-mentioned suction port communicate with Safety valve body inner chamber or cut off is provided with in described Safety valve body, described spool two stretches out Safety valve body away from one end of suction port, described spool two is connected with a Compress Spring two, and Compress Spring two one end is resisted against above-mentioned safety valve covers.
When not working, suction port seals by spool two under the effect of Compress Spring two; When the pressure of the gas in low-pressure cavity to spool two is greater than the elastic force of spring to spool two, promotes spool two and move, now gas to enter in Safety valve body and from exhaust port one discharge.
In above-mentioned carbon dioxide reduction valve, described spool two is in shaft-like, described spool two has outwardly plush copper near one end sidepiece of above-mentioned suction port, the maximum radius of described plush copper is greater than the bore of above-mentioned suction port, described spool two is connected with compress gasket and is provided with an X-shaped sealing ring between compress gasket and spool two, described compress gasket has annular groove near one end of above-mentioned plush copper, and described X-shaped sealing ring is positioned at annular groove.
Compress Spring two one end is resisted against on compress gasket, and the other end is resisted against safety valve and covers, and when this reduction valve is work, elastic force is pressed on tight pad by effect and is being compressed by X-shaped sealing ring, improves the sealing effect that suction port seals by spool two.
In above-mentioned carbon dioxide reduction valve, described high pressure valve body internal thread is connected with a connecting rod, described connecting rod outer end is stretched out above-mentioned high pressure valve body and is connected in six points of nuts of a hollow, form the inlet hole two of a hollow in described connecting rod and this inlet hole two communicates with above-mentioned inlet hole one, a filter sheet is provided with in described connecting rod, there is inside described connecting rod outer end annular gear edge, above-mentioned filter sheet is resisted against annular gear along upper, also there is internal thread inside described connecting rod outer end and the gland nut of the hollow that is threaded, this gland nut is resisted against on above-mentioned filter sheet.
In above-mentioned carbon dioxide reduction valve, described high pressure valve body is also fixed with low-pressure table and high-pressure manometer, described high-pressure manometer is used for measuring the pressure in above-mentioned hyperbaric chamber, and described low-pressure table is used for measuring the pressure in above-mentioned low-pressure cavity.
In above-mentioned carbon dioxide reduction valve, one end that described spool two stretches out above-mentioned Safety valve body is connected with hanging ring.
Compared with prior art, the unnecessary gas in low-pressure cavity is discharged by safety valve and valve rod one by this carbon dioxide reduction valve, makes the pressure in low-pressure cavity be in setting value, has the advantage that decompression efficiency is high.
Accompanying drawing explanation
Fig. 1 is the lower TV structure schematic diagram of this reduction valve.
Fig. 2 is the sectional structure schematic diagram of this reduction valve.
Fig. 3 is the structure for amplifying schematic diagram at Fig. 2 A place.
Fig. 4 is the sectional structure schematic diagram of valve rod one.
Fig. 5 is the sectional structure schematic diagram of this reduction valve other direction.
Fig. 6 is the structural representation of safety valve.
Fig. 7 is the sectional structure schematic diagram of safety valve.
Fig. 8 is the lower view of this reduction valve mesohigh valve body.
In figure, 1, high pressure valve body; 1a, hyperbaric chamber; 1b, low-pressure cavity; 1b1, attachment hole two; 1c, inlet hole one; 2, valve gap; 2a, through hole one; 2b, uuper valve chamber; 3, safety valve; 3a, Safety valve body; 3b, safe valve gap; 3c, exhaust port one; 4, ball valve; 4a, ball valve body; 5, clamping cap; 5a, attachment hole one; 6, diaphragm; 7, thimble; 7a, conehead; 8, balance spring; 9, pad one; 10, valve rod one; 10a, exhaust port two; 10b, exhaust port three; 10c, annular protrusion; 10c1, through hole two; 11, nut; 12, pad two; 13, Regulation spring; 14, jacking block; 15, screw; 16, spool one; 16a, annular convex shoulder; 17, Compress Spring one; 18,0 RunddichtringO; 19, connecting rod; 20, six points of nuts; 21, filter sheet; 22, gland nut; 23, spool two; 23a, plush copper; 24, Compress Spring two; 25, compress gasket; 26, X-shaped sealing ring; 27, bulb stopper; 28, handle; 29, valve rod two; 30, joint; 31, high-pressure manometer; 32, low-pressure table; 33, hanging ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
This carbon dioxide reduction valve is a kind of reduction valve for reducing pressure to carbon dioxide, as shown in Figure 1, this reduction valve comprises a high pressure valve body 1, is connected to high pressure valve body 1 upper end and top has the formations such as the valve gap 2 of through hole one 2a, the adjusting part being positioned at valve gap 2, the safety valve 3 be connected with high pressure valve body 1 and ball valve 4.
Specifically, as shown in Figure 2, be provided with a clamping cap 5 in high pressure valve body 1, high pressure valve body 1 inner chamber is separated into two separate hyperbaric chamber 1a and low-pressure cavity 1b by this clamping cap 5, and hyperbaric chamber 1a and low-pressure cavity 1b is communicated by attachment hole one 5a being arranged on clamping cap 5 upper end.Clamp a diaphragm 6 between high pressure valve body 1 and valve gap 2 and form uuper valve chamber 2b between diaphragm 6 and valve gap 2.
Be provided with a thimble 7, balance spring 8 in hyperbaric chamber 1a, there is the pad 1 of center hole.Wherein, pad 1 edge is clamped between clamping cap 5 and hyperbaric chamber 1a inwall, optimizes further, is also provided with a copper backing between clamping cap 5 and pad 1, reduces pad 1 and directly contacts with clamping cap 5 wearing and tearing brought.One end of balance spring 8 is resisted against in hyperbaric chamber 1a on diapire, and the other end to be resisted against on pad 1 and to be set on thimble 7.There is in the middle part of thimble 7 conehead 7a and conehead 7a radius upwards reduces gradually, conehead 7a lower end abutment is on balance spring 8 and conehead 7a maximum radius is greater than the aperture of pad 1 center hole, and when this reduction valve does not work, the center hole of pad 1 can be blocked by conehead 7a under the effect of balance spring 8.
One end of thimble 7 far from equilibrium spring 8 to lean with the valve rod 1 that part is positioned at low-pressure cavity 1b with clamping cap 5 mutually through the center hole of pad 1.Specifically, one end of valve rod 1 is through diaphragm 6 and be connected with the nut 11 of a hollow and nut 11 is resisted against on diaphragm 6, and the other end of valve rod 1 is resisted against on diaphragm 6.Further optimization, is provided with pad 2 12 between nut 11 and diaphragm 6, adjusting part acts on pad 2 12, make to act on power on valve rod 1 more evenly, stable.
The screw 15 that adjusting part comprises the Regulation spring 13 being positioned at uuper valve chamber 2b, the jacking block 14 leant with Regulation spring 13 and is threaded in valve gap 2 top, Regulation spring 13 one end is resisted against on pad 2 12, and screw 15 to extend in uuper valve chamber 2b and is resisted against on jacking block 14.During work, rotating screw 15 moves down, and impels jacking block 14 to move down, is compressed downwards by Regulation spring 13, and by pad 2 12 and diaphragm 6, valve rod 1 is moved down, and is opened by the center hole of pad 1.
A cavity is formed and valve rod 1 top and bottom are respectively equipped with exhaust port three 10b and exhaust port two 10a that communicate with valve rod 1 inner chamber in valve rod 1.The end that valve rod 1 is positioned at low-pressure cavity 1b has the annular protrusion 10c that protrudes downwards and this annular protrusion 10c leans mutually with thimble 7.Annular protrusion 10c axially runs through has through hole two 10c1 and this through hole two 10c1 communicates with exhaust port two 10a.
Spool 1 and Compress Spring 1 is provided with in valve rod 1, and the centerline collineation of spool 1, valve rod 1, exhaust port two 10a and thimble 7.Wherein spool 1 is in shaft-like and have annular convex shoulder 16a in the middle part of spool 1, and one end of Compress Spring 1 is resisted against on this annular convex shoulder 16a and the other end of Compress Spring 1 leans on spool 1 inner roof wall.0 RunddichtringO 18 is provided with and this 0 RunddichtringO 18 is resisted against on valve rod 1 bottom wall of inner cavity between annular convex shoulder 16a and exhaust port two 10a.When this reduction valve does not work, exhaust port two 10a seals by spool 1 under the effect of Compress Spring 1, and now annular convex shoulder 16a is resisted against on 0 RunddichtringO 18.
High pressure valve body 1 also offers the inlet hole 1c communicated with hyperbaric chamber 1a, as shown in Figure 1, the connecting rod 19 of a hollow that high pressure valve body 1 is threaded and the inner chamber of connecting rod 19 communicate with inlet hole 1c.Connecting rod 19 outer end is stretched out high pressure valve body 1 and is threadedly connected in six points of nuts 20 of a hollow.Be provided with a filter sheet 21 in connecting rod 19, have annular gear edge inside connecting rod 19 outer end, filter sheet 21 is resisted against annular gear along upper.Also have internal thread inside connecting rod 19 outer end and the gland nut 22 of the hollow that is threaded, this gland nut 22 is resisted against on filter sheet 21.
As shown in Figure 3, safety valve 3 comprises the Safety valve body 3a be threaded with high pressure valve body 1, and this Safety valve body 3a stretches out high pressure valve body 1 in outer end and is connected with safe valve gap 3b and this outer end also offers exhaust port one 3c communicated with the inner chamber of Safety valve body 3a.The inner chamber of Safety valve body 3a communicates with low-pressure cavity 1b, specifically, in low-pressure cavity 1b, diapire offers attachment hole two 1b1, and Safety valve body 3a the inner has suction port and attachment hole two 1b1 communicates with suction port.Be provided with in shaft-like spool 2 23 and a Compress Spring 2 24 in Safety valve body 3a, wherein, spool 2 23 has outwardly plush copper 23a and the maximum radius of plush copper 23a is greater than the bore of suction port near one end sidepiece of suction port, and spool 2 23 the other end stretches out safe valve gap 3b and is connected with hanging ring 33.Compress Spring 2 24 one end is resisted against on plush copper 23a, and the other end is resisted against on safe valve gap 3b.When this reduction valve does not work, suction port seals by spool 2 23 under the effect of Compress Spring 2 24.Further illustrate, spool 2 23 be also connected with a compress gasket 25 and between compress gasket 25 and spool 2 23, be provided with an X-shaped sealing ring 26, compress gasket 25 has annular groove near one end of plush copper 23a, X-shaped sealing ring 26 is positioned at annular groove, and above-mentioned Compress Spring 2 24 is resisted against on compress gasket 25.
Ball valve 4 comprises ball valve body 4a that one end and high pressure valve body 1 be threaded and this ball valve body 4a inner chamber communicates with low-pressure cavity 1b.Ball valve 4 also comprises a bulb stopper 27, handle 28 and valve rod 2 29, valve rod 2 29 the inner is positioned at ball valve body 4a and is connected with ball valve 4, valve rod 2 29 outer end is stretched out ball valve body 4a and is connected with handle 28, and ball valve body 4a to be also threaded a joint 30 away from one end of high pressure valve body 1.
In this reduction valve, high pressure valve body is also fixed with low-pressure table 32 and high-pressure manometer 31, described high-pressure manometer 31 is used for measuring the pressure in hyperbaric chamber 1a, and low-pressure table 32 is used for measuring the pressure in low-pressure cavity 1b.
When this reduction valve does not work, the center hole of pad 1 seals by thimble 7 under the effect of balance spring; Exhaust port two 10a seals by spool 1 under the effect of Compress Spring 1; Suction port seals by spool 2 23 under the effect of Compress Spring 2 24; Ball valve 4 is in closed condition.During work, make Regulation spring 13 compress and act on pad two 12 on downwards, then by diaphragm 6, valve rod 1 be moved down by rotating screw 15, impel thimble 7 to move down and the center hole of pad 1 is opened; Carbon dioxide enters from connecting rod 19 one end, flow through inlet hole 1c and to enter in hyperbaric chamber 1a and to enter in low-pressure cavity 1b by the center hole of pad 1 and attachment hole one 5a, portion gas enters in exhaust port two 10a and attachment hole two 1b1, and now thimble 7 under the effect of carbon dioxide and balance spring 8 on move and reach a balance with valve rod 1; When entering into the gas pressure intensity in low-pressure cavity 1b and being excessive, gas can make spool 1 moves or spool 2 23 moves to right enters into valve rod 1 inner chamber or Safety valve body 3a inner chamber, and is discharged by exhaust port three 10b or exhaust port one 3c; Observe low-pressure table 32, when the pressure in low-pressure cavity 1b is in stable, and now suction port seals by spool 1 by exhaust port two 10a sealing and spool 2 23 under the effect of Compress Spring 1 under the effect of Compress Spring 2 24,28 opening ball valves 4 made a call to by handle with sleeve, and gas flows out through ball valve 4.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a carbon dioxide reduction valve, comprise a high pressure valve body (1), clamping cap (5) is provided with and high pressure valve body (1) inner chamber is separated into hyperbaric chamber (1a) and low-pressure cavity (1b) by this clamping cap (5) in described high pressure valve body (1), described hyperbaric chamber (1a) and low-pressure cavity (1b) are communicated by the attachment hole one (5a) being arranged on above-mentioned clamping cap (5) upper end, described high pressure valve body (1) outside is fixed with a ball valve (4) and this ball valve (4) inner chamber communicates with above-mentioned low-pressure cavity (1b), described high pressure valve body (1) threaded upper ends is connected with valve gap (2) and clamps a diaphragm (6) between high pressure valve body (1) and valve gap (2), uuper valve chamber (2b) is formed between described diaphragm (6) and valve gap (2), a valve rod one (10) is provided with in described low-pressure cavity (1b), one end of this valve rod one (10) is through diaphragm (6) and be positioned at uuper valve chamber (2b) and its other end and diaphragm (6) lean, an adjusting part is provided with and this adjusting part acts on above-mentioned diaphragm (6) in described uuper valve chamber (2b), pad one (9) and thimble (7) that one has center hole is provided with in described hyperbaric chamber (1a), described pad one (9) edge is clamped between above-mentioned clamping cap (5) and hyperbaric chamber (1a) inwall, described thimble (7) one end leans with valve rod one (10) with clamping cap (5) mutually through the center hole of above-mentioned pad one (9), the other end of this thimble (7) is arranged with balance spring (8) and thimble (7) middle part can by above-mentioned pad one (9) center hole sealing, described high pressure valve body (1) offers inlet hole one (1c) and inlet hole one (1c) communicates with above-mentioned hyperbaric chamber (1a), it is characterized in that, described high pressure valve body (1) outside is also fixed with a safety valve (3), described safety valve (3) inner chamber communicates with above-mentioned low-pressure cavity (1b), described safety valve (3) offers away from one end of above-mentioned high pressure valve body (1) exhaust port one (3c) that to communicate with safety valve (3) inner chamber, a cavity is formed and valve rod one (10) bottom and top offer the exhaust port two (10a) and exhaust port three (10b) that communicate with cavity respectively in described valve rod one (10), described exhaust port two (10a) communicates with above-mentioned low-pressure cavity (1b), the spool one (16) exhaust port two (10a) and above-mentioned cavity being communicated or cuts off is provided with in described valve rod one (10), one end of described spool one (16) is connected with Compress Spring one (17) and the other end of this Compress Spring one (17) is resisted against on above-mentioned valve rod one (10) inner roof wall, described valve gap (2) top offers through hole one (2a) and this through hole one (2a) communicates with above-mentioned exhaust port three (10b).
2. carbon dioxide reduction valve according to claim 1, it is characterized in that, the threaded one end that described valve rod one (10) is positioned at described uuper valve chamber (2b) is connected with the nut (11) of a hollow, is provided with pad two (12) and above-mentioned adjusting part acts on this pad two (12) between described nut (11) and above-mentioned diaphragm (6).
3. carbon dioxide reduction valve according to claim 2, it is characterized in that, described spool one (16) is in shaft-like, described spool one (16) middle part has annular convex shoulder (16c), one end of above-mentioned Compress Spring one (17) is resisted against on this annular convex shoulder (16c), is provided with 0 RunddichtringO (18) and the lower end surface of this 0 RunddichtringO (18) is resisted against on the interior diapire of above-mentioned valve rod one (10) between described annular convex shoulder (16c) and above-mentioned exhaust port two (10a).
4. carbon dioxide reduction valve according to claim 3, it is characterized in that, the end that described valve rod one (10) is positioned at above-mentioned low-pressure cavity (1b) has the annular protrusion (10c) protruded downwards, described thimble (7) leans mutually with this annular protrusion (10c), and described annular protrusion (10c) is upper axially to be run through has some through holes two (10c1) and described through hole two (10c1) communicates with above-mentioned exhaust port two (10a).
5. the carbon dioxide reduction valve according to claim 1 or 2 or 3 or 4, it is characterized in that, the screw (15) that described adjusting part comprises the Regulation spring (13) being positioned at above-mentioned uuper valve chamber (2b), the jacking block (14) leant with Regulation spring (13) and is threaded in above-mentioned valve gap (2) top, described Regulation spring (13) the other end is resisted against on above-mentioned pad two (12), and described screw (15) to extend in above-mentioned uuper valve chamber (2b) and is resisted against on jacking block (14).
6. the carbon dioxide reduction valve according to claim 1 or 2 or 3 or 4, it is characterized in that, described safety valve (3) comprises the Safety valve body (3a) be threaded with above-mentioned high pressure valve body (1), one end that described Safety valve body (3a) is positioned at above-mentioned high pressure valve body (1) has suction port, described low-pressure cavity (1b) interior diapire offers attachment hole two (1b1), and described attachment hole two (1b1) communicates with above-mentioned suction port, described Safety valve body (3a) is connected with safe valve gap (3b) away from the threaded one end of high pressure valve body (1), a spool two (23) making above-mentioned suction port communicate with Safety valve body (3a) inner chamber or cut off is provided with in described Safety valve body (3a), described spool two (23) stretches out Safety valve body (3a) away from one end of suction port, described spool two (23) is connected with a Compress Spring two (24), and Compress Spring two (24) the other end is resisted against on above-mentioned safe valve gap (3b).
7. carbon dioxide reduction valve according to claim 6, it is characterized in that, described spool two (23) is in shaft-like, described spool two (23) has outwardly plush copper (23a) near one end sidepiece of above-mentioned suction port, the maximum radius of described plush copper (23a) is greater than the bore of above-mentioned suction port, described spool two (23) is connected with compress gasket (25) and is provided with an X-shaped sealing ring (26) between compress gasket (25) and spool two (23), described compress gasket (25) has annular groove near one end of above-mentioned plush copper (23a), described X-shaped sealing ring (26) is positioned at annular groove.
8. the carbon dioxide reduction valve according to claim 1 or 2 or 3 or 4, it is characterized in that, described high pressure valve body (1) internal thread is connected with a connecting rod (19), described connecting rod (19) outer end is stretched out above-mentioned high pressure valve body (1) and is connected in six points of nuts (20) of a hollow, form the inlet hole two of a hollow in described connecting rod (19) and this inlet hole two communicates with above-mentioned inlet hole one (1c), a filter sheet (21) is provided with in described connecting rod (19), there is inside described connecting rod (19) outer end annular gear edge, above-mentioned filter sheet (21) is resisted against annular gear along upper, also there is internal thread inside described connecting rod (19) outer end and the gland nut (22) of the hollow that is threaded, this gland nut (22) is resisted against on above-mentioned filter sheet (21).
9. the carbon dioxide reduction valve according to claim 1 or 2 or 3 or 4, it is characterized in that, described high pressure valve body (1) is also fixed with low-pressure table (32) and high-pressure manometer (31), described high-pressure manometer (31) is used for measuring the pressure in above-mentioned hyperbaric chamber (1a), and described low-pressure table (32) is used for measuring the pressure in above-mentioned low-pressure cavity (1b1).
10. carbon dioxide reduction valve according to claim 6, is characterized in that, one end that described spool two (23) stretches out above-mentioned Safety valve body (3a) is connected with hanging ring (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296796.5U CN204062045U (en) | 2014-06-05 | 2014-06-05 | A kind of carbon dioxide reduction valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296796.5U CN204062045U (en) | 2014-06-05 | 2014-06-05 | A kind of carbon dioxide reduction valve |
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| CN204062045U true CN204062045U (en) | 2014-12-31 |
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| CN201420296796.5U Expired - Fee Related CN204062045U (en) | 2014-06-05 | 2014-06-05 | A kind of carbon dioxide reduction valve |
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| Country | Link |
|---|---|
| CN (1) | CN204062045U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443817A (en) * | 2015-12-31 | 2016-03-30 | 宁波市鄞州华坚阀门有限公司 | Safety valve |
| CN106894487A (en) * | 2017-04-20 | 2017-06-27 | 威迪亚（长泰）科技有限公司 | One kind rinses toilet lid |
| CN113932148A (en) * | 2021-09-02 | 2022-01-14 | 中国航空工业集团公司沈阳飞机设计研究所 | High-pressure oxygen pressure-limiting valve |
-
2014
- 2014-06-05 CN CN201420296796.5U patent/CN204062045U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443817A (en) * | 2015-12-31 | 2016-03-30 | 宁波市鄞州华坚阀门有限公司 | Safety valve |
| CN106894487A (en) * | 2017-04-20 | 2017-06-27 | 威迪亚（长泰）科技有限公司 | One kind rinses toilet lid |
| CN106894487B (en) * | 2017-04-20 | 2023-03-07 | 长泰铱科科技有限公司 | Flushing toilet lid |
| CN113932148A (en) * | 2021-09-02 | 2022-01-14 | 中国航空工业集团公司沈阳飞机设计研究所 | High-pressure oxygen pressure-limiting valve |
| CN113932148B (en) * | 2021-09-02 | 2023-05-05 | 中国航空工业集团公司沈阳飞机设计研究所 | High-pressure oxygen pressure limiting valve |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Taizhou City, Zhejiang province 317609 Yuhuan County dragon Township Industrial Zone Patentee after: Taros Holdings Limited Address before: Taizhou City, Zhejiang province 317609 Yuhuan County dragon Township Industrial Zone Patentee before: Yuhuan H&C Brass Part MFG. Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20200605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |