CN205479488U - Three -way change valve - Google Patents
Three -way change valve Download PDFInfo
- Publication number
- CN205479488U CN205479488U CN201521145196.XU CN201521145196U CN205479488U CN 205479488 U CN205479488 U CN 205479488U CN 201521145196 U CN201521145196 U CN 201521145196U CN 205479488 U CN205479488 U CN 205479488U
- Authority
- CN
- China
- Prior art keywords
- pilot valve
- valve body
- piston
- pipe
- main valve
- 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
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a three -way change valve, including main valve and pilot valve, the main valve includes the main valve physically, physically respectively is equipped with a valve gap in both ends at the main valve, installs positioning sliding rod between two valve gaps, the main valve is internal is furnished with a piston, positioning sliding rod installs in the piston, makes piston ability horizontal slip, still have the passageway of taking a breath in the piston, have two outlet ducts above the main valve body, the lower level has an intake pipe, and this intake pipe can communicate with each other with one of them outlet duct through the passageway of taking a breath, both sides respectively have a gas outlet above the main valve body, and these two gas outlets communicate with each other with the atmospheric pressure chamber of piston both sides respectively, the pilot valve includes the pilot valve body, and the pilot valve is internal to have smooth bowl, weighing apparatus iron, spring in proper order, is equipped with solenoid on the pilot valve body. The utility model is suitable for an use among the large -traffic refrigerating system of heavy -calibre, and be applicable to the use in multi -functional multiplex condition compressing and condensing unit's the refrigerating system of establishing ties of the parallelly connected conversion of single -stage and doublestage.
Description
Technical field
This utility model relates to the three-way diverter valve of a kind of refrigeration system.
Background technology
Compression-type refrigerating system is by parts composition kind of refrigeration cycle such as vaporizer, compressor, condenser, expansion valves
System, main working process is, after liquid refrigerant absorbs external heat in vaporizer, to be vaporized into low temperature
Low pressure refrigerant gas, this gas is sucked by compressor after being compressed into high temperature and high pressure gas and enters condenser,
In condenser, cooled medium (water or air) exothermic condensation becomes highly pressurised liquid, is low pressure after reducing pressure by regulating flow
The cold-producing medium of low temperature, and it is again introduced into vaporizer heat absorption vaporization, form circularly cooling.Multipurpose compression condensation
Unit is made up of multiple compressors, can realize freezing and refrigeration or low-temperature quick-freezing, in order to be able to realize for single-stage
The needs of multiplexing's energy multi-state Condensing units of parallel connection or double stage tandem, this utility model arises at the historic moment.
Utility model content
This utility model provides a kind of three-way diverter valve, and it is be applicable to the refrigeration system of the big flow of heavy caliber
Use, and be applicable to single-stage parallel connection conversion and the refrigeration system of double stage tandem multi-functional multi-state Condensing units
Use in system.
For reaching above-mentioned purpose, the technical solution of the utility model is:
A kind of three-way diverter valve, including main valve and pilot valve, described main valve includes main valve body, at main valve body two
End is respectively provided with a valve gap, is provided with locating slide rod between two valve gaps；A piston it is furnished with in described main valve body,
Described locating slide rod is arranged in piston, makes piston to horizontally slip, and also has ventilation passage in described piston,
Having two escape pipes in main valve body top, have an air inlet pipe below, this air inlet pipe is by ventilation passage energy
Communicating with a wherein escape pipe, both sides, described main valve body top respectively have a gas outlet, and the two gas outlet is divided
Do not communicate with the atmospheric pressure cavity of piston both sides；Described pilot valve includes pilot valve body, have successively in pilot valve body sliding bowl,
Weighing apparatus ferrum, spring, pilot valve body is provided with solenoid；Be additionally provided with on described pilot valve pilot valve pipe A, pilot valve pipe B,
Pilot valve pipe C, pilot valve pipe D, wherein pilot valve pipe A one end is connected with described pilot valve body, the other end with described enter
Trachea connects, and pilot valve pipe B and pilot valve pipe C one end are connected with described pilot valve body, and the other end is respectively with described two
Individual gas outlet connects.
Further setting as such scheme: described locating slide rod be respectively arranged at the two ends with a limit base, pass through
Limit base can control the position that piston horizontally slips, it is ensured that described air inlet pipe can be with wherein one by ventilation passage
Escape pipe communicates.
The beneficial effects of the utility model are: this utility model is applicable in the refrigeration system of the big flow of heavy caliber
Pipeline flow to conversion, it is adaptable to the single-stage parallel connection kind of refrigeration cycle of compressor condensation unit, and by this practicality
The novel compressor condensation units connected in series two-stage refrigeration that can be converted at any time recycles.This utility model is in compression
Condensation unit refrigeration system in use after make Condensing units can freezing and refrigeration again can low-temperature quick-freezing, enter
Row multiplexing can run refrigeration work by multi-state.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings of the present utility model enforcement is further described in detail.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As it is shown in figure 1, a kind of three-way diverter valve, including main valve 1 and pilot valve 2, described main valve 1 includes main
Valve body 3, is respectively arranged at the two ends with a valve gap 4 at main valve body 3, is provided with locating slide rod 5 between two valve gaps 4；
Being furnished with a piston 6 in described main valve body 3, described locating slide rod 5 is arranged in piston 6, makes piston 6 energy
Horizontally slip, also there is in described piston 6 ventilation passage 7, in main valve body 3 top, there are two escape pipes
8, there is an air inlet pipe 9 below, this air inlet pipe 9 can be with wherein escape pipe 8 phase by ventilation passage 7
Logical, both sides, described main valve body 3 top respectively have a gas outlet 21, the two gas outlet 21 respectively with piston
The atmospheric pressure cavity 10 of 6 both sides communicates；Described pilot valve 2 includes pilot valve body 11, has cunning in pilot valve body 11 successively
Bowl 12, weighing apparatus ferrum 13, spring 14, pilot valve body 11 is provided with solenoid 15；Also set on described pilot valve 2
There are pilot valve pipe A17, pilot valve pipe B18, pilot valve pipe C19, pilot valve pipe D20, wherein pilot valve pipe A one end and institute
Stating pilot valve body 11 to connect, the other end is connected with described air inlet pipe 9, pilot valve pipe B and pilot valve pipe C one end with
Described pilot valve body 11 connects, and the other end is connected with said two gas outlet 21 respectively.Described locating slide rod 5
Be respectively arranged at the two ends with a limit base 16.
Above-mentioned air inlet pipe 9 is connected with the low-pressure stage compressor exhaust pipe in Condensing units, and above-mentioned two go out
Trachea 8 is connected with the condenser in Condensing units, high pressure stage compressor air inlet pipe respectively, described pilot valve
Pipe D20 one end connects pilot valve body 11, and the other end is connected with low-voltage tube in Condensing units.
Utility model works principle: this utility model uses pilot valve 2 control bound 1, when setting refrigeration shape
During state, solenoid 15 power-off, weighing apparatus ferrum 13, under spring 14 acts on, promotes sliding bowl 12 to move to left end,
Making pilot valve pipe A17 and pilot valve pipe B18 communicate, pilot valve pipe C19, pilot valve pipe D20 also communicate simultaneously, make main
Left atmospheric pressure cavity 10 in valve body 3 produces low pressure, simultaneously the low-pressure stage compressor air-discharging in Condensing units
Lead to air inlet pipe 9 to supply, supply the right atmospheric pressure cavity in main valve body by pilot valve pipe A17 pilot valve pipe B18
10, make right atmospheric pressure cavity 10 pressure raise, piston 6 is moved to the left under differential pressure action, now with condenser
The escape pipe 8 of connection communicates with air inlet pipe 9, enters with the low-pressure stage compressor parallel of another Condensing units
Enter condenser, it is achieved compressor single-stage parallel connection kind of refrigeration cycle.Follow when setting compressor series connection Two-stage Compression quick-freezing
During ring status, solenoid 15 is energized, and makes sliding bowl 12 move to right-hand member by weighing apparatus ferrum 13, makes pilot valve pipe A17
Communicating with pilot valve pipe C19, pilot valve pipe D20 and pilot valve pipe B18 also communicates simultaneously, makes the right side in main valve body 3
Atmospheric pressure cavity 10 produces low pressure, and the low-pressure stage compressor air-discharging in Condensing units leads to air inlet pipe 9 simultaneously
Supply, by the left atmospheric pressure cavity 10 in pilot valve pipe A17 pilot valve pipe C19 supply to main valve body 3, makes main
Left atmospheric pressure cavity 10 in valve body 3 produces high pressure, and piston 6 moves right under differential pressure action, now air inlet
The escape pipe 8 that pipe 9 communicates with high pressure stage compressor suction nozzle communicates, it is achieved that Condensing units compressor
Series connection Two-stage Compression multiplexing can multi-state quick-freezing kind of refrigeration cycle.
Claims (2)
1. a three-way diverter valve, it is characterised in that: include main valve (1) and pilot valve (2), described
Main valve (1) includes main valve body (3), is respectively arranged at the two ends with a valve gap (4) at main valve body (3), at two valves
Between lid (4), locating slide rod (5) is installed；A piston (6), institute it is furnished with in described main valve body (3)
State locating slide rod (5) to be arranged in piston (6), make piston (6) to horizontally slip, described piston (6)
The most also there is ventilation passage (7), there are in main valve body (3) top two escape pipes (8), have below
Having an air inlet pipe (9), this air inlet pipe (9) can be with a wherein escape pipe (8) by ventilation passage (7)
Communicating, described main valve body (3) both sides, top respectively have a gas outlet (21), the two gas outlet (21)
Communicate with the atmospheric pressure cavity (10) of piston (6) both sides respectively；Described pilot valve (2) includes pilot valve body (11),
There is in pilot valve body (11) sliding bowl (12), weighing apparatus ferrum (13), spring (14), pilot valve body (11) successively
It is provided with solenoid (15)；Pilot valve pipe A (17), pilot valve pipe B it is additionally provided with on described pilot valve (2)
(18), pilot valve pipe C (19), pilot valve pipe D (20), wherein pilot valve pipe A one end and described pilot valve body
(11) connecting, the other end is connected with described air inlet pipe (9), pilot valve pipe B and pilot valve pipe C one end and institute
Stating pilot valve body (11) to connect, the other end is connected with said two gas outlet (21) respectively.
A kind of three-way diverter valve the most according to claim 1, it is characterised in that: described locating slide rod
(5) be respectively arranged at the two ends with a limit base (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145196.XU CN205479488U (en) | 2015-12-30 | 2015-12-30 | Three -way change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145196.XU CN205479488U (en) | 2015-12-30 | 2015-12-30 | Three -way change valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479488U true CN205479488U (en) | 2016-08-17 |
Family
ID=56662389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521145196.XU Expired - Fee Related CN205479488U (en) | 2015-12-30 | 2015-12-30 | Three -way change valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508658A (en) * | 2015-12-30 | 2016-04-20 | 嵊州高翔冷链设备股份有限公司 | Three-way change valve |
| CN112523989A (en) * | 2020-11-12 | 2021-03-19 | 浙江东航消防泵业有限公司 | Compact diesel engine pump |
-
2015
- 2015-12-30 CN CN201521145196.XU patent/CN205479488U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508658A (en) * | 2015-12-30 | 2016-04-20 | 嵊州高翔冷链设备股份有限公司 | Three-way change valve |
| CN112523989A (en) * | 2020-11-12 | 2021-03-19 | 浙江东航消防泵业有限公司 | Compact diesel engine pump |
| CN112523989B (en) * | 2020-11-12 | 2022-12-13 | 浙江东航消防泵业有限公司 | Compact diesel engine pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107576085B (en) | Refrigerating system | |
| CN105588356B (en) | A kind of refrigeration system and its control method | |
| CN105508658A (en) | Three-way change valve | |
| CN107560210B (en) | Refrigerating system | |
| CN107576090B (en) | Refrigerating system | |
| CN104879942B (en) | The cooling and warming circulatory system | |
| CN103954067B (en) | Refrigeration plant | |
| CN105241105A (en) | Refrigerating system based on oil cooling compression circulation | |
| CN205479488U (en) | Three -way change valve | |
| CN104236164A (en) | Ultra-high temperature cascade water source heat pump system | |
| CN105091392B (en) | Heat-reclamation multi-compressors system and its control method | |
| CN102494375A (en) | Ultrahigh and low-temperature refrigerating, heating and water heating three-purpose air-conditioning system | |
| CN104121729B (en) | Refrigerating fluid flowing direction conversion device | |
| CN106885388B (en) | A kind of air-conditioning system | |
| CN201934763U (en) | Inspiratory capacity adjusting valve of volumetric refrigeration compressor | |
| CN204115294U (en) | Superhigh temperature overlapping water source heat pump | |
| CN208269446U (en) | A kind of Auto-cascade cycle dual temperature refrigeration system of adjustable compressor delivery temperature | |
| CN204006859U (en) | There is multiple heat and exchange the heat pump that increases enthalpy | |
| CN101782292B (en) | Three-purpose air conditioner system of ultra low temperature refrigeration, heating and hot water | |
| CN204677402U (en) | A kind of air condition compressor | |
| CN210980419U (en) | Multi-split air conditioner with hot water and floor heating | |
| CN204006764U (en) | A kind of cooling cycle system of automatic adjusting cold energy output | |
| CN210035761U (en) | Integrated environmental control system of oxygenation type air cooling | |
| CN203928525U (en) | Refrigeration system and anti-icing equipment thereof | |
| CN106679226A (en) | Bi-evaporator ejecting refrigeration system established by two levels of ejectors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170628 Address after: 312400 Zhejiang Shaoxing Gao Xiang industry and Trade Co., Ltd., Shengzhou City Economic Development Zone, Zhejiang, China Patentee after: Zhejiang Gaoxiang Electric Appliances Co., Ltd. Address before: 312400, Shengzhou Industrial Street, Sanjiang District, Zhejiang province C District cylinder kiln village Patentee before: SHENGZHOU GAOXIANG COLD CHAIN EQUIPMENT CO., LTD. |
|
| 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: 20160817 Termination date: 20201230 |