CN106321899B - Bimonthly thread form rotary four-way change-over valve - Google Patents
Bimonthly thread form rotary four-way change-over valve Download PDFInfo
- Publication number
- CN106321899B CN106321899B CN201610793624.2A CN201610793624A CN106321899B CN 106321899 B CN106321899 B CN 106321899B CN 201610793624 A CN201610793624 A CN 201610793624A CN 106321899 B CN106321899 B CN 106321899B
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- China
- Prior art keywords
- crescent
- valve body
- spool
- fluting
- valve
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0853—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
Abstract
A kind of bimonthly thread form rotary four-way change-over valve, it include: round valve deck, rounded lip mouthful seal, cylindrical valve spool and square valve body, wherein: valve body is sheathed on spool bottom end, four sides of valve body have four through-holes, spool bottom end is symmetrically arranged with two crescent flutings, crescent fluting forms the crescent commutation cavity for connecting adjacent through-holes with valve interior wall, and lip seal part and valve deck are successively sheathed on spool and realize sealing.The present invention has runner simply a little, can reduce the thermal loss and the pressure loss in flow process, compact-sized, easy to process, the stability for avoiding vibration influence valve body from working.
Description
Technical field
The present invention relates to a kind of technology in air-conditioning system field, specifically a kind of bimonthly thread form rotary four-way commutation
Valve.
Background technique
The refrigeration of air conditioning for automobiles heat pump system and the switching of heating mode are completed by reversal valve, and existing reversal valve holds
Easily it is easy to be shaken phenomena such as causing structural failure, stuck or leakage during automobile is advanced.
Summary of the invention
The present invention for prior art runner it is extremely complex caused by cold-producing medium stream dynamic resistance it is excessively high and commutation valve body
The defects of product is excessive, proposes a kind of bimonthly thread form rotary four-way change-over valve, has runner simply a little, can reduce and flow over
Thermal loss and the pressure loss in journey, compact-sized, easy to process, the stability for avoiding vibration influence valve body from working.
The present invention is achieved by the following technical solutions:
The present invention includes: round valve deck, rounded lip mouthful seal, cylindrical valve spool and square valve body, in which: valve body is sheathed on
Spool bottom end, four sides of valve body have four through-holes, and spool bottom end is symmetrically arranged with two crescent flutings, crescent
It slots with valve interior wall formation for connecting the crescent commutation cavity of adjacent through-holes, lip seal part and valve deck are successively sheathed on
Spool realizes sealing.
The spool top is connected with stepper motor.
The sidewall profiles of the crescent fluting are circular curve, conic section or involute.
The height H and through-hole diameter of the crescent fluting are equal.
The upper and lower surfaces of the crescent fluting are inclined-plane.
The circumferential lengths being located between crescent fluting on the spool outer peripheral surface are less than through-hole diameter.
The circumferential lengths being located between crescent fluting on the spool outer peripheral surface are less than half through-hole diameter.
It is interference fit between the lip seal part and valve body.
Technical effect
Compared with prior art, runner of the present invention is simple, and commutation is stablized, and compared with common four-way reversing valve, can reduce
20% thermal loss in flow process and 15% the pressure loss.Long service life.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is decomposition texture schematic diagram of the present invention；
Fig. 3 is valve core structure schematic diagram；
Fig. 4 is valve body structure schematic diagram；
Fig. 5 is spool course of work schematic diagram；
In figure: 1 valve deck；2 lip seal parts；3 spools；4 first crescent fluting；5 second crescent fluting；6 first change
To curve；7 second commutation curves；8 valve bodies；9 internal exchanger channels；10 compressor inlet channels；11 compressor air-discharging channels；
12 external heat exchanger channels；13 valve body epicoeles；14 valve body cavity of resorptions.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
As shown in Fig. 1~2, the present embodiment includes: round valve deck 1, rounded lip mouthful seal 2, cylindrical valve spool 3 and square valve
Body 8, in which: valve body 8 is sheathed on 3 bottom end of spool, and four sides of valve body 8 have four through-holes, and 3 bottom end of spool is symmetrically set
There are two crescent to slot, and crescent fluting forms the crescent commutation cavity for connecting adjacent through-holes, lip with 8 inner wall of valve body
Mouthful seal 2 and valve deck 1 are successively sheathed on spool 3 and realize sealing.3 top of spool is connected with stepper motor to drive spool 3 to rotate.
As shown in figure 3, the crescent fluting includes the first crescent fluting 4 and the second crescent fluting 5.Two months
Sidewall profiles i.e. the first commutation curve 6 and the second commutation curve 7 of thread form fluting are all opened for circular curve, conic section or gradually
Line, it is 38.5 circular curve that radius is taken in this example.The height H and through-hole diameter of crescent fluting are equal.Crescent fluting
Upper and lower surfaces are inclined-plane.The circumferential lengths requirement being located between crescent fluting on 3 outer peripheral surface of spool is straight less than through-hole
Diameter, the circumferential lengths being located on 3 outer peripheral surface of spool between crescent fluting here are less than half through-hole diameter.First crescent moon
Minimum range is 3mm between shape fluting 4 and the side wall of the second crescent fluting 5.
As shown in figure 4, four through-holes are respectively as internal exchanger channel 9, compressor inlet channel 10, compression
Machine exhaust passage 11 and external heat exchanger channel 12, the diameter of four through-holes are all 13.5mm.The circular cavity on 8 top of valve body is
Valve body epicoele 13, the circular cavity of 8 lower part of valve body are valve body cavity of resorption 14.The first crescent fluting 4 and second month of 3 bottom end of spool
Thread form fluting 5 is all located at valve body cavity of resorption 14, the side wall composition crescent commutation cavity of crescent fluting and valve body cavity of resorption 14.Crescent moon
The through-hole that the both ends of shape fluting are corresponding is axially parallel.
The lip seal part 2 is sheathed at 3 axle journal of spool, be located at valve body epicoele 13, and with 13 interference of valve body epicoele
The sealing to spool 3 is realized in cooperation.
As shown in figure 5, refrigerant enters the compressor air-discharging channel on valve body 8 from compressor outflow when the present apparatus works
11, it slots by the second semilune on spool 3, flows out the external heat exchanger channel 12 on valve body 8, into condenser, evaporation
The pipelines such as device or expansion valve are flowed into from the internal exchanger channel 9 on spool 3, are slotted by the first semilune on spool 3,
The compressor inlet channel 10 on valve body 8 is flowed out, into compressor, completes a circulation.
It is the state of reverse flow, refrigerant when stepper motor driven valve core 3 is rotated by 90 ° counterclockwise relative to valve body 8
Enter the compressor air-discharging channel 11 on valve body 8 from compressor outflow, slots by the first semilune on spool 3, flow out valve
Internal exchanger channel 9 on body 8, the external heat exchanger into pipelines such as condenser, evaporator or expansion valves, from spool 3
Channel 12 flows into, and by the second semilune channel on spool 3, the compressor inlet channel 10 on valve body 8 is flowed out, into compression
Machine completes a circulation.
Compared with prior art, runner of the present invention is simple, reduces thermal loss and the pressure loss in flow process, structure
It is compact, easy to process, the stability for avoiding vibration influence valve body from working.Compared with common four-way reversing valve, flowing can be reduced
20% thermal loss in the process and 15% the pressure loss.Long service life.
Claims (1)
1. a kind of bimonthly thread form rotary four-way change-over valve characterized by comprising round valve deck, rounded lip mouthful seal, cylindricality
Spool and square valve body, in which: valve body is sheathed on spool bottom end, and four sides of valve body have four through-holes, spool bottom
End is symmetrically arranged with two crescent flutings, respectively the first crescent fluting and the second crescent fluting；First crescent fluting
With the second crescent fluting with valve interior wall formed for connect adjacent through-holes crescent commutate cavity, lip seal part and
Valve deck is successively sheathed on spool and realizes sealing；
The spool top is connected with stepper motor；
The sidewall profiles of the first crescent fluting and the second crescent fluting are circular curve, conic section or gradually open
Line；
And the height H that the second crescent is slotted is equal and through-hole diameter is equal for the described first crescent fluting；
The upper and lower surfaces of the first crescent fluting and the upper and lower surfaces of the second crescent fluting are equal
For inclined-plane；
It is located at the circumferential lengths between the first crescent fluting and the second crescent fluting on the spool outer peripheral surface less than two
/ mono- through-hole diameter；
It is interference fit between the lip seal part and valve body；
Four through-holes are respectively as internal exchanger channel, compressor inlet channel, compressor air-discharging channel and outside
Heat exchanger channel, the circular cavity on valve body top are valve body epicoele, and the circular cavity of valve body lower portion is valve body cavity of resorption；Spool bottom end
The first crescent fluting and the second crescent fluting be all located at valve body cavity of resorption, the first crescent fluting and the second crescent fluting
All commutate with the side wall of valve body cavity of resorption composition crescent cavity；What the both ends of the first crescent fluting and the second crescent were slotted
The corresponding through-hole in both ends is axially parallel；
The lip seal part is sheathed at spool axle journal, is located at valve body epicoele, and be interference fitted realization pair with valve body epicoele
The sealing of spool；
When refrigerant from compressor outflow enter valve body on compressor air-discharging channel, opened by the second crescent on spool
Slot flows out the external heat exchanger channel on valve body, into condenser, evaporator or expansion valve, from the internal exchanger on spool
Channel flows into, and slots by the first crescent on spool, flows out the compressor inlet channel on valve body, complete into compressor
It is recycled at one；It is the state of reverse flow, refrigeration when stepper motor driven valve core is rotated by 90 ° counterclockwise relative to valve body
Agent enters the compressor air-discharging channel on valve body from compressor outflow, slots by the first crescent on spool, flows out valve body
On internal exchanger channel flowed into from the external heat exchanger channel on spool into condenser, evaporator or expansion valve, warp
The second crescent fluting on spool is crossed, the compressor inlet channel on valve body is flowed out, into compressor, completes a circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793624.2A CN106321899B (en) | 2016-08-31 | 2016-08-31 | Bimonthly thread form rotary four-way change-over valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793624.2A CN106321899B (en) | 2016-08-31 | 2016-08-31 | Bimonthly thread form rotary four-way change-over valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321899A CN106321899A (en) | 2017-01-11 |
| CN106321899B true CN106321899B (en) | 2019-01-25 |
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ID=57786210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793624.2A Active CN106321899B (en) | 2016-08-31 | 2016-08-31 | Bimonthly thread form rotary four-way change-over valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN106321899B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397572A (en) * | 2018-03-14 | 2018-08-14 | 江苏中关村科技产业园节能环保研究有限公司 | A kind of rotary type four-way reversal valve using height pressure differential |
| CN110005841A (en) * | 2019-05-23 | 2019-07-12 | 成都富临精工电子电器科技有限公司 | A kind of rotary three-way valve structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966763A (en) * | 2012-12-06 | 2013-03-13 | 银川东方运输设备有限公司 | Rotary four-way fluid reversing valve with two spiral grooves |
| CN103245137A (en) * | 2013-05-31 | 2013-08-14 | 上海交通大学 | Two-position four-way reversing valve for automotive air conditioner |
| CN203500542U (en) * | 2013-08-25 | 2014-03-26 | 浙江德库玛机械有限公司 | Injection reversing valve |
| CN104482272A (en) * | 2014-12-30 | 2015-04-01 | 高克伟 | Electric commutator |
| CN105443805A (en) * | 2015-12-31 | 2016-03-30 | 宁波市鄞州华坚阀门有限公司 | Reversing valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060218715A1 (en) * | 2005-04-04 | 2006-10-05 | Gardenier W J | Valve system for a spa and a spa incorporating same |
| WO2016055127A1 (en) * | 2014-10-10 | 2016-04-14 | Solabcool B.V. | Cooling system, reactor vessel and rotary valve |
-
2016
- 2016-08-31 CN CN201610793624.2A patent/CN106321899B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966763A (en) * | 2012-12-06 | 2013-03-13 | 银川东方运输设备有限公司 | Rotary four-way fluid reversing valve with two spiral grooves |
| CN103245137A (en) * | 2013-05-31 | 2013-08-14 | 上海交通大学 | Two-position four-way reversing valve for automotive air conditioner |
| CN203500542U (en) * | 2013-08-25 | 2014-03-26 | 浙江德库玛机械有限公司 | Injection reversing valve |
| CN104482272A (en) * | 2014-12-30 | 2015-04-01 | 高克伟 | Electric commutator |
| CN105443805A (en) * | 2015-12-31 | 2016-03-30 | 宁波市鄞州华坚阀门有限公司 | Reversing valve |
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| Publication number | Publication date |
|---|---|
| CN106321899A (en) | 2017-01-11 |
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