CN102506184A - Improvements in relation to valves - Google Patents

Improvements in relation to valves Download PDF

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Publication number
CN102506184A
CN102506184A CN201110327337XA CN201110327337A CN102506184A CN 102506184 A CN102506184 A CN 102506184A CN 201110327337X A CN201110327337X A CN 201110327337XA CN 201110327337 A CN201110327337 A CN 201110327337A CN 102506184 A CN102506184 A CN 102506184A
Authority
CN
China
Prior art keywords
valve
port
bar
valve body
head
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.)
Pending
Application number
CN201110327337XA
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Chinese (zh)
Inventor
普赖斯布鲁斯
阿特金斯达米安
纳哈尔瑞蒙德
帕克朱利安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HELDON PRODUCTS AUSTRALIA Pty Ltd
Original Assignee
HELDON PRODUCTS AUSTRALIA Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HELDON PRODUCTS AUSTRALIA Pty Ltd filed Critical HELDON PRODUCTS AUSTRALIA Pty Ltd
Publication of CN102506184A publication Critical patent/CN102506184A/en
Pending legal-status Critical Current

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    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/04—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/006—Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves
    • 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
    • F25B45/00—Arrangements for charging or discharging refrigerant

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Lift Valve (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention provides a valve which is suitable for a cooling or air-conditioning system. The valve body is provided with a first port and a second port used for allowing the flowing of liquid controlled by the valve. The ports are arranged in a generally perpendicular manner. The first port is provided with a related rotation locking structure. The valve body is provided with a rod threaded with the valve body. In this way, when the rod rotates in a first direction, a large head of the rod move towards a valve base related to the second port and joins with the valve base. When the rod rotates in a reverse direction, the head of the rod leaves the valve base. The head of the rod evacuates fully and does not influence on a flowing path of liquid between the two ports. The second port is provided with a related tubular copper connector protruding from the valve body and braze to the system.

Description

The improvement relevant with valve
Technical field
The present invention relates to be used for the device of Refrigeration & Air-Conditioning system, relate in particular to the valve of rotational lock (rotalock) connector with the pipework pipe that is used to be connected to refrigeration or air-conditioning system.The title rotational lock is the general tems of the specified structure of definition connector.The rotational lock connector is well-known in the industry, so their structure does not need to describe in detail in this manual with operation.
Background technique
In the Refrigeration & Air-Conditioning industry, term " rotational lock valve " is generally understood as that an input/output end port that refers in the side of valve has the rotational lock connector and has the valve of tubular port at the end of valve.Tubular port is used for soldering or be welded to the tubes/conduits in the system.The rotational lock connector is that the multiposition valve with the tight locked joints of sealing is provided convenience.Global demand for the rotational lock valve increases substantially in recent years.This is the easily a kind of and adaptable device that is used to stop and separate Refrigeration & Air-Conditioning parts and compressor.
Yet traditional rotational lock valve has some main defectives:
-with regard to flow, their inefficiencies as everyone knows;
-they have the steel connector that is used to be soldered to the copper refrigerator pipes;
-they have the installation of steel to steel, and need high moment of torsion to come correctly to install them; And
-they have relatively poor corrosion resistance usually, and pin bar owing to corroding.
Summary of the invention
The purpose of this invention is to provide a kind of valve and a kind of manufacturing and handle the method for some the difficult valves in these difficulties at least.
One aspect of the present invention provides a kind of valve, is applicable to refrigeration or air-conditioning system, and said valve comprises:
-valve body part, said valve body partly have first port and second port that is used for by the circulation of the liquid of said valve control, and said port is arranged as basically and is perpendicular to one another, and said first port have the rotational lock linkage structure that is associated with it and
-bar, said bar and said valve body part threaded joint make
-when said bar when first direction rotates, the amplification head on the said bar moves towards the valve seat that is associated with said second port, and engages with said valve seat, and
-when said bar during in the rotation of opposite direction, said amplification head is withdrawn said valve seat, and up to when withdrawing fully, the amplification head of said bar is fully withdrawn and is made it be not limited in the circulation path of the liquid between said two ports.
Another aspect of the present invention provides a kind of valve, is applicable to refrigeration or air-conditioning system, and said valve comprises:
-valve body part; Said valve body partly has first port and second port that is used for by the circulation of the liquid of said valve control; Said port is arranged as basically and is perpendicular to one another, and said first port has the rotational lock linkage structure that is associated with it, and said rotational lock linkage structure is used for said valve is connected to said system; Said second port have the tubular connector that is associated with it and from said valve body protrusion with welding or soldering be connected to said system and
-bar, said bar and said valve body part threaded joint make
-when said bar when first direction rotates, the amplification head on the said bar moves towards the valve seat that is associated with said second port, and engages with said valve seat, and
-when said bar during in the rotation of opposite direction, said amplification head is withdrawn said valve seat,
Wherein said tubular connector is made of copper.
Another aspect of the present invention provides a kind of method of making like the valve of above-mentioned structure, and said method comprises the remaining part that said tubular connector is soldered to said valve body part.
Another aspect of the present invention provides a kind of method of making like the valve of above-mentioned structure; Said method comprises said tubular connector is attached on the said valve body; Electroplate said valve body part then, during electroplating operations, prevent the afterbody of electro-coppering connector simultaneously.
Description of drawings
In order to make much of the present invention, only the preferred embodiments of the present invention and other key elements are described below with reference to accompanying drawings with the mode of example, wherein:
Fig. 1 is the view of looking sideways from according to one of the valve of first embodiment of the invention;
Fig. 2 is the end elevation of the valve among Fig. 1;
Fig. 3 is the sectional view along the plane A-A of mark among Fig. 2;
Fig. 4 is the isometric view according to the valve of second embodiment of the invention;
Fig. 5 is the end elevation of the valve among Fig. 4;
Fig. 6 is along the sectional view of the plane B-B of mark among Fig. 5 when valve is in its position of cutting out fully; With
Fig. 7 be with Fig. 6 in the same sectional view, but wherein valve is in its position of opening fully.
In Fig. 7, the number that generally is equal to Fig. 1 parts mark of parts in Fig. 3 is bigger by 100 than Fig. 1 number of corresponding component mark in Fig. 3 at Fig. 4.
Embodiment
Valve 10 shown in Fig. 1 to Fig. 3 is the rotational lock valves according to first embodiment of the invention.It is the rod-type valve (spindle valve) that has the rotational lock connector at its one of them port of going into/exporting.
Valve 10 comprises valve body 12, and bar 14 joins valve body 12 to.Bar 14 end of portion within it has the head 17 of amplification, amplifies main valve chamber 19 inner move of head 17 in being formed on body 12.Valve body 12 has two master ports 20 and 22, and said master port 20 and 22 is generally used for transmitting the circulation by the refrigeration working fluid of valve 10 controls.First port 20 is positioned at the side of valve body 12, and second port 22 is positioned at the end of valve 10.
Bar 14 has outer screw section 15, and the corresponding female thread portion 16 in the neck 28 of outer screw section 15 and body 12 engages.Thereby the rotation of bar is towards and away from the head 17 of end port 22 movement rods.
General traditional gland nut 70 and compress filler 72 and provide the sealing between the valve body 12 of outside of bar 14 and screw section 16.
Valve 10 is controlled at the circulation of the liquid that moves between port 20 and 22.Lateral port 20 is associated with the nut portions of freely rotating 30 of rotational lock connector.Nut portions 30 is guided valve body into the common mode of this connector.
End port 22 is consistent with the axle 36 of bar 14 in the axial direction.When bar when first direction rotates, its head 17 moves towards end port 22, engages with epipharynx 40 on the port 22 up to head 17.The conical surface 38 in the periphery of the front 62 of head 17 is pasting the sealing lip 40 that is positioned at port 22, with the circulation of closing liquid.
Second port 22 is formed by the copper pipe 52 of short length, and the annular open end 56 of main part is gone in said copper pipe 52 solderings.The shoulder 54 that pipe 52 has towards the inside sensing of its interior extremity, said shoulder 54 allows tubular portion ground to insert the annular open end of main part 24.The conical surface 38 of periphery that is positioned at the steel toe portion of bar is pasting the inward flange 58 of the inside casing 60 of copper pipe.The harder steel of pressing to softer copper has good sealing with the low relatively moment of torsion that imposes on bar.This has also greatly reduced the possibility on head 17 is fixed on it through corrosion the base 58.
When bar 14 for (as shown in Figure 3) when withdrawing fully through the maximum flow of liquid of valve is provided, the conical surface 64 of the back 66 of head 17 is positioned on the shoulder 68 on the body 12 at head 17 rears.Sealing is provided for this in case the loss of solution stopping body through the gap between the neck of bar and body.
Main part 24 has a pair of access interface 32 and 34, and said access interface 32 and 34 is generally used for system's inflation and recovery, pressure transducer and manometricly is connected, being used to of applying being freighted the conduit positive pressurisation of original equipment manufacturer and under pressure, oil is charged into container by MANUFACTURER. Access interface 32 and 34 diameter is each other arranged relatively, but on axle 36 the direction of bar, departs from each other.Access interface 32 and 34 has screw thread to be fit to standard Schrader core.
The distal end 42 of bar comprises the short section 43 with square-section, and said short section 43 allows the valve handle (not shown) to engage with bar to promote bar to rotate.Because only installing or maintenance period bar 14 need leave its usual position usually, said handle is not joined on the bar usually, moulded plastic lid 18 distal end 42 of passing bar usually is attached on the valve body 12 on the contrary, is not intended to operation and keeps the bar cleaning with Protective valve.
Lid 18 have with valve body 12 on the female thread 45 that engages of external screw thread 46.When lid 18 was tightened, the shoulder 48 on the valve body was positioned on the tapered portion 50 of lid.This provides and has compressed filler and the gas tight seal of the loss of the working solution that goes out from valve flow between the neck 28 that helps to prevent to cross bar and body.
When valve 10 is connected to external pipe, the size of the suitable copper tube/pipe that is using of the size Selection of valve.The external diameter of pipeline is installed inlet pipe 26 neatly.Setter is inserted into shoulder 54 with pipeline, and it provides suitable pause, and heats said linkage structure, applies suitable welding media and soldering flux simultaneously.Scolder easily gets into the little gap between copper tube and copper pipe 26, possibly be that the situation of steel is compared with pipe, and this is great improvement.
During the manufacturing of valve 10, the main part 34 of valve is formed from steel, and said main part is gone in copper pipe 26 solderings.Assembly is with the superfine trivalent zinc electronics spraying of " indigo plant " plating then, and this provides than traditional advanced corrosion protection of non-electronics nickel plating.When assembly was electroplated, rubber boot were installed and are made on the end that covers pipe 26 that copper pipe outside or inside can not sprayed up to shoulder 54.This helps more high efficiency and effectively external pipe is welded to pipe 26.
Valve 110 shown in Fig. 4 to Fig. 7 has body 112, and said body 112 comprises steel pole supporting portion 111 that is formed from steel and the main flow portion 113 that is made of copper fully.The supporting portion has female thread 116 with the external screw thread on the engaging lever 114 115.
Bar 114 has the 113 inner amplification heads 117 that move in main flow portion on portion's end within it.Valve body 112 has two master ports, i.e. lateral port 120 and end port 122, said lateral port 120 and end port 122 are generally used for transmitting the circulation by the refrigeration working fluid of valve 110 controls.The free rotating nut portion 130 of lateral port 120 and rotational lock connector is associated.
The short brass billet that valve seat 123 is gone into end port 122 by soldering is processed.Bar 114 and body 112 threaded joint make the head 117 of rotation movement rod of bar towards and away from valve seat 123.
Gland nut 170 and compress filler 172 and provide the sealing between the valve body 112 of outside of bar 114 and screw section 116.
End port 122 is consistent with the axle 136 of bar 114 in the axial direction.When bar when first direction rotates, its head 117 is shifted to end port 122 and is engaged with valve seat 123 up to head 117.The conical surface 138 around the front 162 of head 117 is pasting the sealing lip 140 that is positioned on the valve seat 123, with the circulation of closing liquid.
The steel face 138 of pressing to low brass valve seat 123 provides good sealing with the low relatively moment of torsion that imposes on bar.Compare with the steel pole head that is positioned at the steel valve seat, it has also reduced head 117 through the possibility on the corrosion thing fixing present 123.
When bar 114 is withdrawn (as shown in Figure 7) so that the maximum flow of liquid through valve to be provided fully, the conical surface 164 on the back side 166 of head 117 is positioned on the shoulder 168 on the body 112 at head 117 rears.This provides sealing to help prevent through compressing the fluid loss of filler 172.
Can see that for valve 10 and valve 110 when valve was opened fully, leading face 63,163 wall sections common and from each end port 22,122 each lateral port 20,120 farthest of head alignd.Therefore the head of bar does not limit the circulation path of the liquid between these two ports.The head that the rotational lock valve of existing technology is not recalled bar leaves from valve seat up to it, and their liquid of therefore flowing through receives valve head and hinders.
During the manufacturing of valve 110, bar supporting portion 111 is formed from steel, and main flow portion 113 is soldered on it.End port 122 is gone in valve seat 123 solderings then, and whole then assembly is with the superfine trivalent zinc electronics spraying of " indigo plant " plating.When assembly was electroplated, rubber boot were installed the end of the pipe that covers end port 122, make that copper port inside is not sprayed up to valve seat 123.
Compare with existing design, the brazing property of valve is improved greatly.Compare with traditional steel connector, the tubulose copper connector can be heated more fast and more equably.Also allow to use the soldering media than low silver content that reduces cost, flux media demand is reduced, this produces running through of better soldering node, causes less leakage and more firm node integrity.
The preferred embodiments of the present invention have been introduced in above-mentioned description simultaneously, it will be understood that a lot of modification, replacement, modification and/or increase to be introduced into the structure and the arrangement of above-mentioned parts, and do not break away from inner characteristic of the present invention or spirit or scope.
Also it will be appreciated that; In specification, used word " to comprise "; And for example " comprised ", the modification of " comprising "; This type use means characteristic or a plurality of characteristic that hint comprises statement only if context needs, but this is not considered to not comprise the appearance of other characteristic or a plurality of characteristics.
In the literary composition of the present invention quoting of existing technology is not and should be counted as to confirm or any type of suggestion that this type existing technology has formed the part of Australian common practise.

Claims (5)

1. a valve is applicable to refrigeration or air-conditioning system, and said valve comprises:
-valve body part, said valve body partly have first port and second port that is used for by the circulation of the liquid of said valve control, and said port is arranged as basically and is perpendicular to one another, and said first port have the rotational lock linkage structure that is associated with it and
-bar, said bar and said valve body part threaded joint make
-when said bar when first direction rotates, the amplification head on the said bar moves towards the valve seat that is associated with said second port, and engages with said valve seat, and
-when said bar during in the rotation of opposite direction, said amplification head is withdrawn said valve seat, and up to when withdrawing fully, the amplification head of said bar is fully withdrawn and is made it be not limited in the circulation path of the liquid between said two ports.
2. a valve is applicable to refrigeration or air-conditioning system, and said valve comprises:
-valve body part; Said valve body partly has first port and second port that is used for by the circulation of the liquid of said valve control; Said port is arranged as basically and is perpendicular to one another, and said first port has the rotational lock linkage structure that is associated with it, and said rotational lock linkage structure is used for said valve is connected to said system; Said second port have the tubular connector that is associated with it and from said valve body protrusion with welding or soldering be connected to said system and
-bar, said bar and said valve body part threaded joint make
-when said bar when first direction rotates, the amplification head on the said bar moves towards the valve seat that is associated with said second port, and engages with said valve seat, and
-when said bar during in the rotation of opposite direction, said amplification head is withdrawn said valve seat,
Wherein said tubular connector is made of copper.
3. valve according to claim 2 wherein, forms inside that the copper of said tubular connector extends to said valve body to form said valve seat.
4. a manufacturing is according to the method for the valve of claim 2 or 3 structures, and said method comprises the remaining part that said tubular connector is soldered to said valve body part.
5. a manufacturing is according to the method for the valve of claim 2 or 3 structures, and said method comprises said tubular connector is attached on the said valve body, electroplates said valve body part then, during electroplating operations, prevents the afterbody of electro-coppering connector simultaneously.
CN201110327337XA 2010-10-25 2011-10-25 Improvements in relation to valves Pending CN102506184A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2010101162 2010-10-25
AU2010101162A AU2010101162A4 (en) 2010-10-25 2010-10-25 Improvements in Relation to Valves

Publications (1)

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CN102506184A true CN102506184A (en) 2012-06-20

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AU (1) AU2010101162A4 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676501A (en) * 2017-11-23 2018-02-09 天津市卡尔斯阀门有限公司 A kind of antiscale valve
CN113865157A (en) * 2018-06-18 2021-12-31 大金工业株式会社 Stop valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6635147B2 (en) * 2018-06-18 2020-01-22 ダイキン工業株式会社 Closure valve and method for manufacturing the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2170419Y (en) * 1993-07-24 1994-06-29 中山市调节阀厂 Sealing structure of angle type stop valve for air conditioner
CN201013962Y (en) * 2006-12-31 2008-01-30 赵建涛 Two-position three-way valve
CN101216116A (en) * 2008-01-14 2008-07-09 张建生 Magnetic attraction type dripping-free valve
CN201121714Y (en) * 2007-12-05 2008-09-24 李伟军 Break valve for refrigerating system
JP2009204041A (en) * 2008-02-27 2009-09-10 Fuji Koki Corp Check valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2170419Y (en) * 1993-07-24 1994-06-29 中山市调节阀厂 Sealing structure of angle type stop valve for air conditioner
CN201013962Y (en) * 2006-12-31 2008-01-30 赵建涛 Two-position three-way valve
CN201121714Y (en) * 2007-12-05 2008-09-24 李伟军 Break valve for refrigerating system
CN101216116A (en) * 2008-01-14 2008-07-09 张建生 Magnetic attraction type dripping-free valve
JP2009204041A (en) * 2008-02-27 2009-09-10 Fuji Koki Corp Check valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676501A (en) * 2017-11-23 2018-02-09 天津市卡尔斯阀门有限公司 A kind of antiscale valve
CN107676501B (en) * 2017-11-23 2023-09-29 天津卡尔斯阀门股份有限公司 Anti-scale valve
CN113865157A (en) * 2018-06-18 2021-12-31 大金工业株式会社 Stop valve

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Application publication date: 20120620