CN201448495U - Pressure-reducing valve - Google Patents
Pressure-reducing valve Download PDFInfo
- Publication number
- CN201448495U CN201448495U CN2009200573807U CN200920057380U CN201448495U CN 201448495 U CN201448495 U CN 201448495U CN 2009200573807 U CN2009200573807 U CN 2009200573807U CN 200920057380 U CN200920057380 U CN 200920057380U CN 201448495 U CN201448495 U CN 201448495U
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- cavity
- chamber
- inner core
- dividing plate
- automatic control
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- Expired - Fee Related
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Abstract
The utility model discloses a pressure-reducing valve which is characterized by comprising a main body, a self-control clapboard, a clapboard chamber, an inner core, an air inlet hole, and an air outlet hole, wherein the main body is internally provided with a cavity; a fixing structure for fixing the inner core is arranged between the inner core and the cavity; the self-control clapboard is arranged inside the clapboard chamber, and the middle of the bottom surface of the self-control clapboard is concave inwards to form an air inlet channel; the top part in the air inlet channel is provided with sealing glue; the self-control clapboard and the side wall of the cavity inside the clapboard chamber realize movable sealing match through a lower pressure sealing ring; the top part of the inner core is extended with an air inlet nozzle towards the direction of the self-control clapboard; the air inlet nozzle extends into the air inlet channel and is movably sealed-matched with the air inlet channel through the high pressure sealing ring; and a gap between the inner wall of the top part of the cavity and the top surface of the self-control clapboard forms a high pressure chamber. The pressure-reducing valve has strong safety, and can be freely used as required by connection in series, with integrated design, good sealing performance, material cost reduction, convenient assembly, and easy manufacture. The pressure-reducing valve can be used for various furniture or appliances, such as beer machine, red wine machine, aerated water machine and the like.
Description
Technical field
The utility model relates to a kind of reduction valve, be specifically related to a kind of reduction valve that pressurized gas is become low-pressure gas.
Background technique
In the prior art, China Patent No. be ZL200820046617.7 patent disclosure a kind of reduction valve, this kind reduction valve, comprise valve body, regulate a lid, the pressure adjusting spring lid, screw press, pressure adjusting spring, regulator board, collection is pressed sheet rubber, gasket ring, the power transmission lid, it is characterized in that: also have lock bolt, lock stream ring, the water conservancy diversion cover, activity pressure regulation pin, Returnning spring, the noise reduction ventail, the water conservancy diversion cover hangs in the hyperbaric chamber at valve body middle part, the noise reduction ventail is flush-mounted in the place, nearly bottom of water conservancy diversion cover, the top of water conservancy diversion cover is embedded with lock stream ring, lock bolt is bolted in the valve body middle part, and be positioned on water conservancy diversion cover and the lock stream ring, activity pressure regulation pin is positioned at the water conservancy diversion cover, be arranged with Returnning spring between its underpart and the noise reduction ventail, lock stream ring can be withstood in its middle part, the needle-like on its top partly passes lock stream ring and lock bolt links to each other with the power transmission lid, power transmission is covered on the lock bolt, and be positioned at the low-pressure cavity on valve body top, the top of regulating a lid and valve body is spirally connected, be provided with gasket ring and collection pressure sheet rubber at the place of being spirally connected, collect and press the sheet rubber clamping connection between power transmission lid and regulator board, screw press is bolted in regulates a tops, its underpart and pressure adjusting spring lid join, and pressure adjusting spring is located between pressure adjusting spring lid and the regulator board.This kind structure of relief pressure valve complexity, component are many, the cost height, and also performance is stable inadequately.
The model utility content
The utility model technical issues that need to address provide a kind of low-pressure relief valve, this kind reduction valve good seal performance, and low cost of manufacture, easy to manufacture, stable performance.
The utility model can be taked following technological scheme:
A kind of reduction valve is characterized in that: comprise main body, automatic control dividing plate, baffle chamber, inner core, inlet hole, air outlet hole; Be provided with cavity in the main body, the cavity bottom has and the extraneous opening that opens wide, and inner core is positioned at the bottom of cavity, is provided with the fixedly fixed structure of inner core between inner core and cavity; Baffle chamber is surrounded with inner core mutually by the upper chambers wall of cavity, and the automatic control dividing plate is positioned at baffle chamber, the inside recessed formation gas-entered passageway in middle part, bottom surface of automatic control dividing plate, and the gas-entered passageway inner top is provided with sealing glue; Cavity sidewalls in automatic control dividing plate and the baffle chamber realizes that by the low pressure seal circle motive sealing cooperates; Air inlet nozzle is extended to automatic control dividing plate direction in the top of inner core, and air inlet nozzle puts in the gas-entered passageway, and air inlet nozzle cooperates with the gas-entered passageway motive sealing by high-pressure seal ring; Space between the inwall at cavity top and automatic control dividing plate end face forms the hyperbaric chamber, space between automatic control dividing plate bottom surface and inner core top forms low pressure chamber, be provided with spring in the low pressure chamber, spring one end heads on automatic control dividing plate bottom surface, and inlet hole is located in the air inlet nozzle, and the outlet of inlet hole is relative with sealing glue, inlet hole is communicated with gas-entered passageway by the outlet of inlet hole, exhaust port is located at the automatic control dividing plate, and pore is communicated with the hyperbaric chamber, and air outlet hole is communicated with the hyperbaric chamber.
The utility model is dealt with problems and can also further be taked following corrective measure:
Protruding cap is extended to the top-direction of cavity in the end face of automatic control dividing plate middle part, that the top chamber wall of cavity is provided with is recessed, with the protruding cap chamber of protruding cap coupling, protruding cap puts in the protruding cap chamber
The top that air outlet hole is located at main body is communicated with protruding cap chamber.
Exhaust port is located at protruding cap sidewall.
The central axis of cavity, automatic control dividing plate, gas-entered passageway, air inlet nozzle is located on the same line or is parallel to each other.
Air outlet hole, air inlet position are respectively equipped with the formula joint that is tightly connected, and described gas outlet is provided with filter screen.
The outlet joint is extended at the end face middle part of main body, and the part in described protruding cap chamber is positioned at this outlet joint, and described air outlet hole is located at outlet joint place.
Described fixed structure is the screw thread and the screw thread that cooperatively interacts and be connected of being located at cavity inner bottom part sidewall that is arranged at the inner core side.
The convex shoulder of outside protrusion is established in the inner core bottom, and convex shoulder sticks the end face of bottom part body.
The top of main body is provided with cambered outwards outlet joint, and the outlet joint is provided with passage and is communicated with inlet hole, and the inner core bottom is provided with to recessed inlet seal joint, and the outlet joint matches with inlet joint size.
Technique scheme has such technique effect:
1, the utility model Security is stronger, and except that sealed member, other parts are made with metal entirely, can play a part fire-retardant, explosion-proof.
2, the utility model use of can freely connecting as required, effect of easing stress is good, and is easy to use, flexible.
3, main body of the present utility model is the integrated design, and whole valve body has only two mouthfuls of inlet hole and air outlet holes, good seal performance, and the seal point that can avoid existing valve body to have is many, many places gas leakage and the sealability that causes is bad, the service behaviour problem of unstable.
4, the utility model is simple in structure, and valve body is integrated, and compares with similar reduction valve, and parts are few, can the economical with materials cost.And each component processing is easy, and main body is single, convenient processing, and manufacture cost can reduce pressure.
5, the whole parts of the utility model are assemblied in the main body, can assemble each parts with main body as benchmark, and are easy for installation, and the assembly precision height has ensured the precision of mechanical structure, helps guaranteeing the performance of valve.
Description of drawings
Fig. 1 is the utility model structure of relief pressure valve schematic representation.
Fig. 2 is the schematic representation of a kind of using method of the utility model reduction valve.
Embodiment
Below in conjunction with specific embodiment the utility model is specifically described.
Embodiment 1: as shown in Figure 1, reduction valve comprises main body 13, automatic control dividing plate 4, baffle chamber, inner core 16, inlet hole, air outlet hole; Be provided with cavity in the main body 13, the cavity bottom has and the extraneous opening that opens wide, inner core 16 is positioned at the bottom of cavity, being provided with the fixedly fixed structure of inner core between inner core 16 and cavity. baffle chamber is surrounded mutually by the upper chambers wall and the inner core 16 of cavity. and automatic control dividing plate 4 is positioned at baffle chamber, protruding cap 11 is extended to the top-direction of cavity in the end face middle part of automatic control dividing plate 4, the inside recessed formation gas-entered passageway 12 in middle part, bottom surface of automatic control dividing plate 4, gas-entered passageway 12 inner tops are provided with sealing glue 10; The top chamber wall of cavity is provided with recessed, protruding cap chamber with protruding cap coupling, extend in the middle part of the end face of main body 13 and use the outlet joint 17 that is connected with pipeline, the part in described protruding cap chamber is positioned at this outlet joint, protruding cap 11 puts in the protruding cap chamber, this kind compact structure, save the space. automatic control dividing plate 4 cooperates by the 5 realization motive sealings of low pressure seal circle with cavity sidewalls in the baffle chamber. and air inlet nozzle 1 is extended to automatic control dividing plate direction in the top of inner core 16, air inlet nozzle 1 puts in the gas-entered passageway 12, and air inlet nozzle 1 cooperates with gas-entered passageway 12 motive sealings by high-pressure seal ring 15; Space between the inwall at cavity top and automatic control dividing plate 4 end faces, and the space between protruding cap chamber and protruding cap 11 end faces forms hyperbaric chamber 6. in application, space between the inwall at cavity top and automatic control dividing plate 4 end faces, space between protruding cap chamber and protruding cap 11 end faces, be to be communicated with micro-gap between protruding cap chamber by protruding cap side. the space between automatic control dividing plate 4 bottom surfaces and inner core 16 tops forms low pressure chamber 2, be provided with spring 3 in the low pressure chamber 2, spring 3 one ends head on automatic control dividing plate 4 bottom surfaces, inlet hole 14 is located in the air inlet nozzle, the outlet of inlet hole is relative with sealing glue, the bottom of inner core 16 is communicated with gas-entered passageway by inlet hole 14, gas-entered passageway is communicated with the hyperbaric chamber by exhaust port 7, and present embodiment is provided with two exhaust ports, 7. exhaust ports 7 and is located at protruding cap sidewall; The top that air outlet hole 9 is located at main body is communicated with protruding cap chamber, and described air outlet hole 9 is located at outlet joint 17 places. and the central axis of cavity, automatic control dividing plate, protruding cap chamber, protruding cap, gas-entered passageway, air inlet nozzle is located on the same line.
Described fixed structure is the screw thread and the screw thread that cooperatively interacts and be connected of being located at cavity inner bottom part sidewall that is arranged at the inner core side.The convex shoulder 18 of outside protrusion is established in the inner core bottom, and convex shoulder 18 sticks the end face of bottom part body.Convex shoulder helps the location to inner core.
In addition, air outlet hole, air inlet position can be respectively equipped with the conventional formula that is tightly connected joint as usual manner, and described gas outlet is provided with filter screen 8.
The utility model Security is stronger, and except that sealed member, other parts are made with metal entirely, can play a part fire-retardant, explosion-proof.
Working principle: pressurized gas enter " gas-entered passageway 12 " by " inlet hole 14 " of " air inlet nozzle 1 ", enter " hyperbaric chamber 6 " by " exhaust port 7 " again, reach " air outlet hole 9 " through " overanxious net 8 " and discharge.Because after gas enters " hyperbaric chamber 6 ", " hyperbaric chamber 6 " air pressure raises, " hyperbaric chamber 6 " forms draught head with " low pressure chamber 2 ", thereby the pressure of " dividing plate 4 " past " low pressure chamber 2 " direction is increased, when pressure during greater than the thrust of " spring 3 ", " automatic control dividing plate 4 " past " low pressure chamber 2 " direction moves, compression " spring 3 ", extruding " low pressure chamber 2 ", thereby " inlet hole 14 " direction that drives " sealing glue 10 " past " air inlet nozzle 1 " in " gas-entered passageway 12 " moves, till the outlet of sealing " inlet hole 14 ", " hyperbaric chamber 6 " air pressure is topped out." air outlet hole 9 " continues exhaust, " hyperbaric chamber 6 " air pressure reduces, the pressure of " automatic control dividing plate 4 " past " low pressure chamber 2 " direction reduces, when pressure during less than the thrust of " spring 3 ", " automatic control dividing plate 4 " past " hyperbaric chamber 6 " direction moves, thereby drive the outlet that " sealing glue 10 " in " gas-entered passageway 12 " opens " inlet hole 14 ", continue the input pressurized gas.
More than action repeats work in " main body 13 ", thereby plays decompression.
Embodiment 2: the top of main body is provided with cambered outwards outlet joint 17, the outlet joint is provided with passage and is communicated with inlet hole, the inner core bottom is provided with to recessed inlet seal joint 19, and outlet joint 17 matches with inlet joint size, and other structure is basic identical with embodiment 1.After having such structure, two identical reduction valve can adopt the head and the tail ways of connecting to be connected and sealed, as shown in Figure 2, a reduction valve the outlet joint and the inlet seal joint of another reduction valve be connected and sealed, like this can be so that the air pressure multiple that goes out reduce, effect of easing stress is good.Use this using method, two or more reduction valve are connected in series.A plurality of series connection can make them have better effect of easing stress.
The utility model pressure-reducing valve high safety, the use of can freely connecting as required, integrated design, good seal performance, the cost that saves material, easy to assembly, easy to manufacture. Can be used in beer brewing machine, red wine machine, the various household electrical appliances such as aerated water machine or utensil.
Claims (10)
1. a reduction valve is characterized in that: comprise main body, automatic control dividing plate, baffle chamber, inner core, inlet hole, air outlet hole; Be provided with cavity in the main body, the cavity bottom has and the extraneous opening that opens wide, and inner core is positioned at the bottom of cavity, is provided with the fixedly fixed structure of inner core between inner core and cavity; Baffle chamber is surrounded with inner core mutually by the upper chambers wall of cavity, and the automatic control dividing plate is positioned at baffle chamber, the inside recessed formation gas-entered passageway in middle part, bottom surface of automatic control dividing plate, and the gas-entered passageway inner top is provided with sealing glue; Cavity sidewalls in automatic control dividing plate and the baffle chamber realizes that by the low pressure seal circle motive sealing cooperates; Air inlet nozzle is extended to automatic control dividing plate direction in the top of inner core, and air inlet nozzle puts in the gas-entered passageway, and air inlet nozzle cooperates with the gas-entered passageway motive sealing by high-pressure seal ring; Space between the inwall at cavity top and automatic control dividing plate end face forms the hyperbaric chamber, space between automatic control dividing plate bottom surface and inner core top forms low pressure chamber, be provided with spring in the low pressure chamber, spring one end heads on automatic control dividing plate bottom surface, and inlet hole is located in the air inlet nozzle, and the outlet of inlet hole is relative with sealing glue, inlet hole is communicated with gas-entered passageway by the outlet of inlet hole, exhaust port is located at the automatic control dividing plate, and pore is communicated with the hyperbaric chamber, and air outlet hole is communicated with the hyperbaric chamber.
2. a kind of reduction valve according to claim 1 is characterized in that: protruding cap is extended to the top-direction of cavity in the end face of automatic control dividing plate middle part, that the top chamber wall of cavity is provided with is recessed, with the protruding cap chamber of protruding cap coupling, protruding cap puts in the protruding cap chamber
3. a kind of reduction valve according to claim 2 is characterized in that: the top that air outlet hole is located at main body is communicated with protruding cap chamber.
4. a kind of reduction valve according to claim 2 is characterized in that: exhaust port is located at protruding cap sidewall.
5. a kind of reduction valve according to claim 1 is characterized in that: the central axis of cavity, automatic control dividing plate, gas-entered passageway, air inlet nozzle is located on the same line or is parallel to each other.
6. according to each described a kind of reduction valve of claim 1 to 5, it is characterized in that: air outlet hole, air inlet position are respectively equipped with the formula joint that is tightly connected, and described gas outlet is provided with filter screen.
7. according to each described a kind of reduction valve of claim 2 to 4, it is characterized in that: the outlet joint is extended at the item face middle part of main body, and the part in described protruding cap chamber is positioned at this outlet joint, and described air outlet hole is located at outlet joint place.
8. according to each described a kind of reduction valve of claim 1 to 5, it is characterized in that: described fixed structure is the screw thread and the screw thread that cooperatively interacts and be connected of being located at cavity inner bottom part sidewall that is arranged at the inner core side.
9. according to each described a kind of reduction valve of claim 1 to 5, it is characterized in that: the convex shoulder of outside protrusion is established in the inner core bottom, and convex shoulder sticks the end face of bottom part body.
10. according to each described a kind of reduction valve of claim 1 to 5, it is characterized in that: the top of main body is provided with cambered outwards outlet joint, the outlet joint is provided with passage and is communicated with inlet hole, the inner core bottom is provided with to recessed inlet seal joint, and the outlet joint matches with inlet joint size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200573807U CN201448495U (en) | 2009-05-22 | 2009-05-22 | Pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200573807U CN201448495U (en) | 2009-05-22 | 2009-05-22 | Pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448495U true CN201448495U (en) | 2010-05-05 |
Family
ID=42553212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200573807U Expired - Fee Related CN201448495U (en) | 2009-05-22 | 2009-05-22 | Pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156723A (en) * | 2015-10-21 | 2015-12-16 | 宁波铭匠扎啤设备有限公司 | Proportional pressure-reducing valve used for beer freshness preservation bucket |
| CN107168396A (en) * | 2017-06-20 | 2017-09-15 | 成都旭思特科技有限公司 | Radio-frequency unit applied to high altitude environment |
-
2009
- 2009-05-22 CN CN2009200573807U patent/CN201448495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156723A (en) * | 2015-10-21 | 2015-12-16 | 宁波铭匠扎啤设备有限公司 | Proportional pressure-reducing valve used for beer freshness preservation bucket |
| CN107168396A (en) * | 2017-06-20 | 2017-09-15 | 成都旭思特科技有限公司 | Radio-frequency unit applied to high altitude environment |
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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: 20100505 Termination date: 20130522 |