CN202100721U - Bidirectional thermal expansion valve - Google Patents
Bidirectional thermal expansion valve Download PDFInfo
- Publication number
- CN202100721U CN202100721U CN2011201568305U CN201120156830U CN202100721U CN 202100721 U CN202100721 U CN 202100721U CN 2011201568305 U CN2011201568305 U CN 2011201568305U CN 201120156830 U CN201120156830 U CN 201120156830U CN 202100721 U CN202100721 U CN 202100721U
- Authority
- CN
- China
- Prior art keywords
- valve
- head assembly
- valve body
- valve head
- base
- 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
- 230000002457 bidirectional effect Effects 0.000 title abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005057 refrigeration Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 polytetrafluoroethylene rings Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a bidirectional thermal expansion valve including a valve body with an inner cavity. A transmission block is arranged on the upper portion of the valve body, and a base is arranged on the lower portion of the valve body. The valve body has arranged thereon a pilot hole, a first joint and a second joint, and has arranged therein a valve port, a valve head assembly, a supporting plate and a superheat degree adjusting spring, wherein the valve port is communicated with the first and second joints, the valve head assembly is arranged on the center of the valve port, the upper portion of the valve head assembly penetrates through the pilot hole on the valve body and connects with the transmission block, the lower portion of the valve head assembly is inserted in the base along the center of the valve body, the supporting plate is arranged on the valve head assembly, and the superheat degree adjusting spring is arranged between the supporting plate and the base. The valve head assembly can be moved up and down to open or close the valve port, and a radial hole and an axial hole communicating with each other are arranged on the valve head assembly. A cavity is formed between the valve head assembly and base. The radial hole and the axial hole are communicative with the cavity and the first joint, and the inner cavity is communicative with the second joint. The bidirectional thermal expansion valve has the advantages of simple structure, less components, short processing cycle, excellent structure reliability, and lower equipment and installation cost.
Description
[technical field]
The utility model relates to refrigeration technology field, and especially throttle element is specifically related to a kind of two-way heating power expansion valve.
[background technique]
At refrigeration technology field, heating power expansion valve is a kind ofly to control the throttling arrangement of the evaporator outlet gaseous refrigerant degree of superheat through regulating the vaporizer liquid supply rate, and it is widely used in various types of heat pumps.The conventional heat pump type air-conditioning is to realize refrigeration respectively and heat through the parallelly connected unit of two heating power expansion valves and two one-way valves; Though this traditional design form can be realized the air conditioner refrigeration and heat the switching of two kinds of functions; But whole system need dispose two heating power expansion valves and two one-way valves as the throttling unit; Increase many pipe arrangements simultaneously, this makes that the air conditioner cost is higher.
[model utility content]
The purpose of the utility model solves the problems of the prior art exactly, proposes a kind of two-way heating power expansion valve, has the bidirectional throttle function, can practice thrift component and installation cost.
For realizing above-mentioned purpose, the utility model provides a kind of two-way heating power expansion valve, comprise the valve body that has inner chamber; The top of said valve body is provided with drive block, and the bottom is provided with base, and said valve body is provided with pilot hole, first interface and second interface; Be provided with valve port, valve head assembly, dunnage and degree of superheat Regulation spring in the valve body, valve port is communicated with first interface and second interface, and the valve head assembly is arranged on the valve port center; The pilot hole that the top of valve head assembly is passed on the valve body is connected with drive block, and insert in the base along the valve body center bottom of valve head assembly, on the valve head assembly dunnage is installed; Be provided with degree of superheat Regulation spring between dunnage and the base; The valve head assembly can move up and down and carry out opening or closing of valve port, and the valve head assembly is provided with radial hole and the axial bore that is interconnected, and forms a cavity in the middle of valve head assembly and the base; Radial hole and axial bore are communicated with the cavity and first interface, and said inner chamber is communicated with second interface.
As preferably, said valve head assembly comprises valve rod, valve head and conduit, and the top of valve head is valve rod, and the pilot hole that valve rod passes on the valve body is connected with drive block, and the bottom of valve head is a conduit, and conduit inserts in the base along the valve body center.
As preferably, also be provided with first Sealing and Sealing briquetting between said valve rod and the valve body.
As preferably, said center is provided with cylindrical hole, and conduit inserts in the cylindrical hole of base along the valve body center, and the hole wall of cylindrical hole is provided with second Sealing.
As preferably, be provided with the 3rd Sealing between said base and the valve body.
As preferably, the bottom of said base is provided with the spanner adjustment hole.
The beneficial effect of the utility model: the utility model is simple in structure; Component are less; Process-cycle is short, and structural reliability is good, and has the bidirectional throttle function; Only need in the heat pump type air conditioner system to adopt single two-way heating power expansion valve, greatly reduce equipment and installation cost as freezing, heating the circuit throttle element.
Characteristic of the utility model and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is the structural representation of the utility model two-way heating power expansion valve.
[embodiment]
As shown in Figure 1, two-way heating power expansion valve comprises the valve body 15 that has inner chamber 25; The top of said valve body 15 is provided with drive block 1, and the bottom is provided with base 16, and said valve body 15 is provided with pilot hole 24, first interface 7 and second interface 8; Be provided with valve port 9, valve head assembly, dunnage and degree of superheat Regulation spring in the valve body 15, valve port 9 is communicated with first interface 7 and second interface 8, and the valve head assembly is arranged on valve port 9 centers; The pilot hole 24 that the top of valve head assembly is passed on the valve body 15 is connected with drive block 1; Insert in the base 16 along valve body 15 centers the bottom of valve head assembly, and dunnage 12 is installed on the valve head assembly, is provided with degree of superheat Regulation spring 14 between dunnage 12 and the base 16; The valve head assembly can move up and down and carry out opening or closing of valve port 9; The valve head assembly is provided with the radial hole 5 and axial bore 6 that is interconnected, and radial hole 5 lateral penetration axial bores 6 form a cavity 20 in the middle of valve head assembly and the base 16; Radial hole 5 is communicated with the cavity 20 and first interface 7 with axial bore 6, and said inner chamber 25 is communicated with second interface 8.
The valve head assembly comprises valve rod 4, valve head 10 and conduit 13, and the top of valve head 10 is valve rod 4, and the pilot hole 24 that valve rod 4 passes on the valve body 15 is connected with drive block 1, and the bottom of valve head 10 is a conduit 13, and conduit 13 inserts in the base 16 along valve body 15 centers.The structure of valve head 10 assemblies can adopt said valve rod 4 to be structure as a whole with valve head 10, and valve head 10 is welded to connect with conduit 13; Also can be structure as a whole with conduit 13 by valve head 10, valve rod 4 is welded to connect with valve head 10; Can also directly adopt the structure of valve rod 4, valve head 10 and conduit 13 three in one.Valve head 10 is a cone structure.Dunnage 12 is a circular metal plate, and its center is provided with circular hole, and the internal diameter of circular hole is identical with the external diameter of conduit 13, can make dunnage 12 pass conduit 13 and supports valve head 10.
Be provided with first Sealing 3 and Sealing briquetting 2 between said valve rod 4 and the valve body 15.Said base 16 centers are provided with cylindrical hole 23, and conduit 13 inserts in the cylindrical hole 23 of base 16 along valve body 15 centers, and the hole wall of cylindrical hole 23 is provided with second Sealing 18.Be provided with the 3rd Sealing 17 between said base 16 and the valve body 15, base 16 and valve body 15 are sealed, avoid producing and leak.The bottom of base 16 is provided with spanner adjustment hole 21, and spanner adjustment hole 21 is the regular hexagon hole, is used for the degree of superheat parameter of modulating valve.Related first Sealing 3 among Fig. 1, second Sealing 18, the 3rd Sealing 17 can also can be combined labyrinth and carbon gland for single O type circle sealing, and this combined labyrinth and carbon gland partly is made up of two of O type circle and polytetrafluoroethylene rings.
Said base 16 centers are provided with cylindrical hole 23, and conduit 13 inserts in the cylindrical hole 23 of base 16 along valve body 15 centers, and the endoporus 19 of conduit 13 is communicated with cylindrical hole 23.Have the restraining groove 22 concentric with cylindrical hole 23 on the base 16, this restraining groove 22 is used to install degree of superheat Regulation spring 14.The bottom of valve body 15 is provided with nut 11.
When valve port 9 was in closed condition, first interface 7 was in state of equilibrium with cavity 20, and second interface 8 is connected with inner chamber 25, and the dunnage 12 suffered downward and power that make progress are in state of equilibrium.When positive flow; Refrigerant in first interface 7 flows in the cavity 20 through radial hole 5 and axial bore 6; Make in the cavity 20 with in first interface 7 to keep state of equilibrium, the refrigerant in second interface 8 and the inner chamber 25 is in state of equilibrium, so dunnage 12 is in state of equilibrium equally; Do not influence valve port 9 places and close or open mode, do not influence the throttling action of valve port 9 during reverse flow equally.
The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that scheme after the utility model simple transformation is all belonged to the utility model.
Claims (6)
1. two-way heating power expansion valve comprises the valve body that has inner chamber, and the top of said valve body is provided with drive block; The bottom is provided with base, it is characterized in that: said valve body is provided with pilot hole, first interface and second interface, is provided with valve port, valve head assembly, dunnage and degree of superheat Regulation spring in the valve body; Valve port is communicated with first interface and second interface, and the valve head assembly is arranged on the valve port center, and the pilot hole that the top of valve head assembly is passed on the valve body is connected with drive block; Insert in the base along the valve body center bottom of valve head assembly; On the valve head assembly dunnage is installed, is provided with degree of superheat Regulation spring between dunnage and the base, the valve head assembly can move up and down and carry out opening or closing of valve port; The valve head assembly is provided with radial hole and the axial bore that is interconnected; Form a cavity in the middle of valve head assembly and the base, radial hole and axial bore are communicated with the cavity and first interface, and said inner chamber is communicated with second interface.
2. two-way heating power expansion valve as claimed in claim 1; It is characterized in that: said valve head assembly comprises valve rod, valve head and conduit, and the top of valve head is valve rod, and the pilot hole that valve rod passes on the valve body is connected with drive block; The bottom of valve head is a conduit, and conduit inserts in the base along the valve body center.
3. two-way heating power expansion valve as claimed in claim 2 is characterized in that: also be provided with first Sealing and Sealing briquetting between said valve rod and the valve body.
4. two-way heating power expansion valve as claimed in claim 2 is characterized in that: said center is provided with cylindrical hole, and conduit inserts in the cylindrical hole of base along the valve body center, and the hole wall of cylindrical hole is provided with second Sealing.
5. two-way heating power expansion valve as claimed in claim 1 is characterized in that: be provided with the 3rd Sealing between said base and the valve body.
6. like each described two-way heating power expansion valve in the claim 1～5, it is characterized in that: the bottom of said base is provided with the spanner adjustment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201568305U CN202100721U (en) | 2011-05-17 | 2011-05-17 | Bidirectional thermal expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201568305U CN202100721U (en) | 2011-05-17 | 2011-05-17 | Bidirectional thermal expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100721U true CN202100721U (en) | 2012-01-04 |
Family
ID=45386735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201568305U Expired - Fee Related CN202100721U (en) | 2011-05-17 | 2011-05-17 | Bidirectional thermal expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121375A (en) * | 2013-04-27 | 2014-10-29 | 王钦廉 | Bidirectional thermal expansion valve |
-
2011
- 2011-05-17 CN CN2011201568305U patent/CN202100721U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121375A (en) * | 2013-04-27 | 2014-10-29 | 王钦廉 | Bidirectional thermal expansion valve |
| CN104121375B (en) * | 2013-04-27 | 2017-06-06 | 王钦廉 | A kind of two-way heating power expansion valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106439072A (en) | Electronic expansion valve | |
| CN101245860A (en) | Thermal expansion valve with insurance structure | |
| CN103807480B (en) | A kind of heating power expansion valve | |
| CN206817827U (en) | Inner equilibrium electromagnetism heating power expansion valve | |
| CN201162851Y (en) | Self-operated three-way valve used for special machine for coolant circulating type machine room | |
| CN102278837B (en) | Oil equalization system of compressor units | |
| CN202100721U (en) | Bidirectional thermal expansion valve | |
| CN201387188Y (en) | Two-way circulation heating power expansion valve | |
| CN201391676Y (en) | Thermal expansion valve | |
| CN105737460A (en) | Household refrigerator multi-stage throttling refrigerating system | |
| CN101852307B (en) | Thermostatic expansion valve | |
| CN102661639B (en) | Thermostatic expansion valve | |
| CN101900463B (en) | Air conditioner and air conditioner control method | |
| CN220168643U (en) | Stop valve and air conditioning system | |
| CN103791116A (en) | LNG ball valve | |
| CN203718011U (en) | Low-temperature ball valve | |
| CN106678391A (en) | Self-operated three-way reversing valve | |
| CN100340803C (en) | Two-way thermal expansion valve | |
| CN101988585A (en) | Thermal expansion valve | |
| CN204901338U (en) | Multi -functional valve of liquefied natural gas gas cylinder | |
| CN102927727B (en) | Fluoridizing device of air conditioner as well as air conditioner | |
| CN2588141Y (en) | External balance internal temperature sensing thermal expansion valve | |
| CN104121375B (en) | A kind of two-way heating power expansion valve | |
| CN203443208U (en) | Refrigerating device without energy consumption | |
| CN2814066Y (en) | Temperature sensing device in bidirectional thermal expansion valve |
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 |
Granted publication date: 20120104 Termination date: 20170517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |