CN202176731U - Multifunctional stop valve - Google Patents
Multifunctional stop valve Download PDFInfo
- Publication number
- CN202176731U CN202176731U CN2011202519429U CN201120251942U CN202176731U CN 202176731 U CN202176731 U CN 202176731U CN 2011202519429 U CN2011202519429 U CN 2011202519429U CN 201120251942 U CN201120251942 U CN 201120251942U CN 202176731 U CN202176731 U CN 202176731U
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- CN
- China
- Prior art keywords
- valve
- sliding
- core
- valve core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 23
- 235000019994 cava Nutrition 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 description 21
- 239000003795 chemical substances by application Substances 0.000 description 20
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional stop valve, comprising a valve body, a valve cavity and a stop valve core, wherein the valve body is provided with a first valve opening, a second valve opening and a third valve opening; the runner for communicating the first valve opening with the second valve opening is a first valve cavity; the runner for communicating the second valve opening with the third valve opening is a second valve cavity; the second valve opening is connected with a connecting pipe; a valve is arranged between the first valve cavity and the second valve cavity; the stop valve core is arranged at the position where the first valve cavity is closed to the first valve opening and closes the valve in a sliding manner; and the third valve opening is provided with a filter net. The multifunctional stop valve provided in the utility model has a plurality of combinations, comprising a heat pump stop valve provided with external thread valve core and sliding valve core, a single cold outdoor unit stop valve for removing the sliding valve core, a throttle function free stop valve for removing the thread valve core and the sliding valve core and a single-directional throttle function stop valve for removing the external thread valve core; and the multifunctional stop valve has wide application range.
Description
Technical field
The utility model relates to the air conditioner refrigerating technical field, more particularly, relates to a kind of multi-functional stop valve.
Background technique
Domestic air conditioner is formed and mainly comprised: compressor, outdoor heat exchanger, throttling arrangement, vaporizer four big parts also have stop valve, solenoid valve, the first-class accessory of temperature-sensitive in addition.The throttling arrangement of domestic air conditioner adopts capillary tube to regulate the refrigerant flow in the air-conditioning system mostly at present.Usually capillary tube (or adding assisted capillary) is welded on outdoor heat exchanger outlet and high pressure valve place,, occurs the stifled situation of weldering during welding easily because the capillary tube mouth of pipe is very little.Very trouble is reprocessed in the stifled back of weldering, and it is dirty when stifled capillary member when keeping in repair after sale, to occur, and it is also very difficult to change throttle element, must outdoor unit be removed outside high building, and the replacing capillary member that freezes also will fill refrigeration agent again.
Defective for fear of the capillary-compensated assembly; 200710031357.6 it is throttle element and stop valve the bidirectional throttle stop valve of one that number patent application provides a kind of; But the fixed restriction spool of this device is non-exchange; The corresponding valve body of the throttling valve core of necessary each flow, the non-constant of versatility.If production is returned with mistake and wrapped also very trouble, weld again after must the coolant discharging in the outdoor unit being come out and change correct stop valve.When occurring the obstruction of fixed restriction spool during after-sales service, change very difficulty, must outdoor unit be removed the replacing stop valve that freezes with outdoor unit outside very high floor, also will fill refrigeration agent again, maintenance is inconvenient.
And, present stop valve function singleness, versatility is not strong, makes troubles for manufacture control, storekeeper logistics, maintain and replace yet.
The model utility content
The purpose of the utility model is to provide that a kind of highly versatile, reliability are high, convenient maintenance and replacement multi-functional stop valve, to overcome the deficiency of existing technology.
For this reason; The utility model adopts following technological scheme: a kind of multi-functional stop valve, and comprise valve body, valve pocket, end spool, valve body is provided with first valve port, second valve port and the 3rd valve port; The runner that is communicated with between first valve port and second valve port is first valve pocket; The runner that is communicated with between second valve port and the 3rd valve port is second valve pocket, and second valve port is connected with connecting tube, between first valve pocket and second valve pocket, is provided with valve; Said by spool be arranged on first valve pocket near the first valve port place, and slidably close said valve, said the 3rd valve port is provided with filter screen.
Also be provided with fluorinfused nozzle on the said valve body.
Be provided with internal thread segment in said second valve pocket, at the internal thread segment outside thread spool that has been threaded, said outside thread spool is provided with throttle orifice.
Said outside thread spool is located at the valve top, and the end wall of said outside thread spool and valve cavity form sealing.
Be provided with sliding chamber in said second valve pocket, in the sliding chamber sliding valve core be set, the end of sliding valve core is provided with the sealing frustum, and the cylindrical wall of sliding valve core is provided with sliding rib, is provided with throttle orifice in the sliding valve core; One end in said sliding chamber is provided with the Non-return ring that slides and place restrictions on, and the other end in sliding chamber is provided with spacing sealing awl chamber, and the sealing frustum of said spacing sealing awl chamber and sliding valve core is suitable, is provided with throttle orifice in the sliding valve core.
One end of said outside thread spool is provided with groove, is provided with seal ring in the said groove, the said seal ring and the second valve pocket interference fit.
Be provided with the hexagonal platform that caves in the groove ends of said outside thread spool.
The beneficial effect of the utility model:
One, the throttle orifice aperture of the throttle orifice of outside thread spool, sliding valve core and length guarantee that according to refrigeration, the required flow precise design of heating condition and processing the refrigeration agent that passes through reaches the flow of specified cooling and heating.
Two, the screw thread spool is embedded in the valve body through engage thread, can arbitrarily remove behind dismounting Non-return ring and the filter screen and change sliding valve core and outside thread spool.
Three, the multi-functional stop valve of the utility model can have following combination: the heat pump stop valve that 1, has outside thread spool and sliding valve core; 2, remove the cold outdoor unit stop valve of list of sliding valve core; 3, remove the no throttling function stop valve of outside thread spool and sliding valve core; 4, remove the one-way throttle function stop valve of outside thread spool.
Four, reliable, the throttling precise control of the throttle valve arrangement works of the utility model.
Description of drawings
Fig. 1 is the external thread valve cored structure schematic representation of the multi-functional stop valve of the utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the sliding valve core structural representation of the multi-functional stop valve of the utility model;
Fig. 4 is the structural representation (heat pump stop valve) of the multi-functional stop valve of the utility model;
Fig. 5 is the structural representation (the heat pump stop valve of cancellation fluorinfused nozzle) of the multi-functional stop valve of the utility model;
Fig. 6 is the structural representation (one-way throttle stop valve) of the multi-functional stop valve of the utility model;
Fig. 7 is the structural representation (the one-way throttle stop valve of cancellation fluorinfused nozzle) of the multi-functional stop valve of the utility model.
Embodiment
Referring to Fig. 1-7, multi-functional stop valve comprises valve body 11, valve pocket, ends spool 12, and valve body 11 is provided with first valve port, second valve port and the 3rd valve port; Second valve port is connected with connecting tube, and first valve pocket is communicated with first valve port and second valve port, and second valve pocket is communicated with second valve port and the 3rd valve port; Between first valve pocket and second valve pocket, be provided with valve 2, be located in first valve pocket near the first valve port place, when system need end by spool 12; End slidably throttle down 2 of spool; And, be provided with filter screen 9 at the 3rd valve port place, the impurities of refrigeration agent is filtered.Also be provided with stop valve bonnet 6 at the 3rd valve port place.
Referring to Fig. 1-2, outside thread spool 6 has external thread part 61, and the outside thread spool is provided with throttle orifice 62, and an end of spool is provided with chamfering 66, and the cylindrical wall of chamfering and the shape of valve cavity are suitable, makes the chamfered end of outside thread spool and valve cavity form sealing.The other end of outside thread spool 6 is provided with groove 63, is provided with seal ring 64 in the groove 63, the seal ring 64 and the second valve pocket interference fit.Be provided with the hexagonal platform 65 that caves in the groove ends of outside thread spool.Can insert hexagonal platform 65 through interior hexagonal loads onto the outside thread spool in the valve pocket or in valve pocket and takes out.
Referring to Fig. 3, sliding valve core 7 slides in the sliding chamber 5 of second valve pocket, is provided with throttle orifice 71 in the sliding valve core 7, evenly is provided with four sliding ribs 72 on the excircle of sliding valve core.Sliding rib slides in sliding chamber, makes the excircle of sliding valve core 7 and sliding chamber 5,72 at sliding rib form sliding rib runner.The end of sliding valve core 7 is provided with the sealing frustum 73 of taper.In second valve pocket, an end in sliding chamber is established Non-return ring 8, the other end in the sliding chamber sealing awl chamber 4, position of limiting; When sliding valve core 7 up; Will be spacing by Non-return ring 8, descending when sliding valve core 7, the sealing frustum 73 of sliding valve core 7 will form conical surface seal with the spacing sealing awl chamber 4 in sliding chamber.
As shown in Figure 4, when stop valve is closed, slide on the valve 2 along first valve pocket by spool 12, the outer wall of spool is with valve closing.First valve pocket is vertical with second valve pocket, below second valve pocket on the valve body, also is provided with fluorinfused nozzle 13.The bottom of second valve pocket is provided with internal thread segment 3; The below of internal thread segment 3 is valves 2, and outside thread spool 6 is located at valve 2 tops, and; End wall and valve cavity by outside thread spool 6 form sealing, and refrigeration agent can only be passed through from the throttle orifice 62 of outside thread spool 6.Be sliding chamber 5 above the external thread valve core, sliding valve core 7 slides in sliding chamber, the diameter of the throttle orifice of two spools and length according to the required flow precise design of cooling condition with process, the system that assurance is passed through reaches specified refrigerating/heating amount.
When multi-functional stop valve is opened, to return by spool 12, valve 2 is opened; At this moment; If when flowing into multi-functional stop valve, refrigeration agent gets into sliding chamber to refrigeration agent behind filter screen 9 from A, promote sliding valve core 7 and move downward; Make the sealing frustum 73 of sliding valve core of sliding valve core 7 to form conical surface seals with the spacing sealing awl chamber 4 in sliding chamber; Sliding chamber 5 is closed, and refrigeration agent flows out multi-functional stop valve through the below of throttle orifice 71 entering second valve pocket of sliding valve core 7 after the throttle orifice throttling of outside thread spool 6.When refrigeration agent from B when flowing into multi-functional stop valve; Refrigeration agent from first valve pocket through valve 2 second valve pocket of coming in and going out; Because it is airtight that outside thread spool 6 outsides and valve body 11 are able to inner chamber; So get in the sliding chamber 12 of second valve pocket after throttle orifice 62 throttlings of refrigeration agent process outside thread spool 6, refrigeration agent promotes sliding valve core 7 and moves upward, the Non-return ring 8 that the sliding rib 72 of the periphery of sliding valve core 7 receives on the valve pocket is spacing; Refrigeration agent filters the back through filter screen and flows out from the 3rd valve port through by bypass path that forms between the adjacent sliding rib and throttle orifice 71.
Fig. 5 is the structure of cancellation fluorinfused nozzle on multi-functional stop valve basis shown in Figure 4.
Referring to Fig. 6, Fig. 7, when multifunction valve serves as the one-way throttle stop valve, outside thread spool 6 taken out in second valve pocket just can.Fig. 6 is the one-way throttle stop valve structure that has fluorinfused nozzle, and Fig. 7 is the one-way throttle stop valve structure that does not have fluorinfused nozzle.When refrigeration agent from A when flowing into multi-functional stop valve; Refrigeration agent gets into sliding chamber 5 behind filter screen 9; Promote sliding valve core 7 and move downward, make the sealing frustum 73 of sliding valve core of sliding valve core 7 to form conical surface seals with the spacing sealing awl chamber 4 in sliding chamber, sliding chamber 5 is closed; Refrigeration agent flows out multi-functional stop valve through the below of throttle orifice 71 entering second valve pocket of sliding valve core 7 from valve 2, connecting tube 1.When refrigeration agent from B when flowing into multi-functional stop valve; Refrigeration agent from first valve pocket through valve 2 second valve pocket of coming in and going out; In the sliding chamber 5 of second valve pocket, refrigeration agent promotes sliding valve core 7 and moves upward, and the Non-return ring 8 that the sliding rib 72 of the periphery of sliding valve core 7 receives on the valve pocket is spacing; Refrigeration agent filters the back through filter screen and flows out from the 3rd valve port through by bypass path that forms between the adjacent sliding rib and throttle orifice 71.
Claims (8)
1. multi-functional stop valve; Comprise valve body, valve pocket, end spool; It is characterized in that: valve body is provided with first valve port, second valve port and the 3rd valve port, and the runner that is communicated with between first valve port and second valve port is first valve pocket, and the runner that is communicated with between second valve port and the 3rd valve port is second valve pocket; Second valve port is connected with connecting tube; Between first valve pocket and second valve pocket, be provided with valve, said by spool be arranged on first valve pocket near the first valve port place, and slidably close said valve, said the 3rd valve port is provided with filter screen.
2. multi-functional stop valve according to claim 1 is characterized in that: also be provided with fluorinfused nozzle on the said valve body.
3. multi-functional stop valve according to claim 1 and 2 is characterized in that: be provided with internal thread segment in said second valve pocket, at the internal thread segment outside thread spool that has been threaded, said outside thread spool is provided with throttle orifice.
4. multi-functional stop valve according to claim 3 is characterized in that: said outside thread spool is located at the valve top, and the end wall of said outside thread spool and valve cavity form sealing.
5. multi-functional stop valve according to claim 1 and 2; It is characterized in that: be provided with sliding chamber in said second valve pocket, in the sliding chamber sliding valve core be set, the end of sliding valve core is provided with the sealing frustum; The cylindrical wall of sliding valve core is provided with sliding rib, is provided with throttle orifice in the sliding valve core; One end in said sliding chamber is provided with the Non-return ring that slides and place restrictions on, and the other end in sliding chamber is provided with spacing sealing awl chamber, and the sealing frustum of said spacing sealing awl chamber and sliding valve core is suitable, is provided with throttle orifice in the sliding valve core.
6. multi-functional stop valve according to claim 4 is characterized in that: an end of said outside thread spool is provided with groove, is provided with seal ring in the said groove, the said seal ring and the second valve pocket interference fit.
7. idle call throttle valve structure according to claim 6 is characterized in that: be provided with the hexagonal platform that caves in the groove ends of said outside thread spool.
8. multi-functional stop valve according to claim 7 is characterized in that: be provided with sliding chamber in said second valve pocket, sliding valve core is set in the slip, the end of sliding valve core is provided with the sealing frustum, is provided with throttle orifice in the sliding valve core; One end in said sliding chamber is provided with the Non-return ring that slides and place restrictions on, and the other end in said sliding chamber is provided with spacing sealing awl chamber, and an end of slideway is provided with the slideway frustum, and is suitable with the sealing frustum of said sliding valve core, is provided with throttle orifice in the sliding valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202519429U CN202176731U (en) | 2011-07-16 | 2011-07-16 | Multifunctional stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202519429U CN202176731U (en) | 2011-07-16 | 2011-07-16 | Multifunctional stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176731U true CN202176731U (en) | 2012-03-28 |
Family
ID=45866609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202519429U Expired - Fee Related CN202176731U (en) | 2011-07-16 | 2011-07-16 | Multifunctional stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176731U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206554A (en) * | 2013-05-05 | 2013-07-17 | 赵德鸿 | Stop valve for air conditioner |
| CN104696638A (en) * | 2013-12-09 | 2015-06-10 | 江苏江淮动力股份有限公司 | Unidirectional fixed throttle pipe joint |
| CN107246530A (en) * | 2017-07-14 | 2017-10-13 | 珠海格力电器股份有限公司 | Valve, air-conditioning system and pipe-line system filtering slagging structure |
| CN112709826A (en) * | 2020-12-21 | 2021-04-27 | 华中科技大学 | Radio frequency equipment simulation resistance piece and manufacturing method thereof |
-
2011
- 2011-07-16 CN CN2011202519429U patent/CN202176731U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206554A (en) * | 2013-05-05 | 2013-07-17 | 赵德鸿 | Stop valve for air conditioner |
| CN104696638A (en) * | 2013-12-09 | 2015-06-10 | 江苏江淮动力股份有限公司 | Unidirectional fixed throttle pipe joint |
| CN107246530A (en) * | 2017-07-14 | 2017-10-13 | 珠海格力电器股份有限公司 | Valve, air-conditioning system and pipe-line system filtering slagging structure |
| CN112709826A (en) * | 2020-12-21 | 2021-04-27 | 华中科技大学 | Radio frequency equipment simulation resistance piece and manufacturing method thereof |
| CN112709826B (en) * | 2020-12-21 | 2022-03-18 | 华中科技大学 | Radio frequency equipment simulation resistance piece and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20190716 |