CN104896122A - Valve device - Google Patents
Valve device Download PDFInfo
- Publication number
- CN104896122A CN104896122A CN201410077892.5A CN201410077892A CN104896122A CN 104896122 A CN104896122 A CN 104896122A CN 201410077892 A CN201410077892 A CN 201410077892A CN 104896122 A CN104896122 A CN 104896122A
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- CN
- China
- Prior art keywords
- valve body
- valve
- connecting part
- described valve
- passage
- 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
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Classifications
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a valve device. The valve device comprises a valve body, a mounting portion, a valve seat and a valve rod. The valve rod further comprises a combination portion, wherein the valve body and the combination portion are integrally formed; a combination portion channel is arranged in the combination portion, and when the valve device is in the opened state, the combination portion channel is communicated with a valve body channel; and an acute included angle is formed between the central axis of the combination portion channel and the central axis of the valve body. According to the valve device, due to the fact that a valve seat portion integrated with the valve body is removed, when the combination portion channel is machined, a size difference in the axis direction of the valve body is not required to be arranged on the combination portion; and when the valve is lifted, the size difference can become small, and therefore the whole height of the valve device can be reduced. Internal pressure resistance and treatment in the operation only need to be considered in strength of the valve body, and the external diameter of the valve body can be reduced.
Description
Technical field
The present invention relates to refrigerant fluid control component technical field, particularly a kind of control valve unit for controlling refrigerant flow break-make.
Background technique
Usually, control valve unit is used on air conditioner outdoor unit, controls during operation to the break-make of refrigerant flow.Please refer to Fig. 1, Fig. 1 is the sectional view of a kind of control valve unit of prior art.As shown in Figure 1, control valve unit comprises upper valve body 1 and lower valve body 2, wherein, is provided with valve rod 7 in upper valve body 1, lower body 2 comprises again connecting part 3 and the filled portion 4 for filled refrigerant, is also provided with the seat portion 5 that machine cut processes in the lower end of lower body 2.The primary path 31 of connecting part 3 is also formed by cutting, in order to avoid when processing primary path 31, Cutting Tool Damage is to seat portion 5, connecting part 3 is provided with the axial difference in size of valve body, namely on lower valve body 2, one section of straight portion 6 is provided with, now in order to ensure the passage resistance of valve, the height of valve lifting is uprised.
The mode of welding is adopted to be fixed between upper valve body 1 and lower valve body 2, generally speaking, the intensity (or thickness) of valve body is determined by the factor such as process, resistance to cutting load when internal pressure-resistant, operation, but the control valve unit shown in Fig. 1 will add the load of about 1 ton when welding, therefore the thickness of valve body needs to be designed to the thickness that can bear this load, therefore, can make that the wall thickness of control valve unit is thickening, external diameter becomes large.Meanwhile, because upper valve body 1 and lower valve body 2 adopt the mode of welding to be fixed connection, due to differences such as weld part turbidity test, the coaxality between upper valve body 1 and lower valve body 2 can be caused to be more difficult to get guarantee, thus sealability is declined.
After control valve unit is installed, valve rod 7 standard-sized sheet year in year out, can apply the moment of torsion of valve opening position always, constantly can increase load to welding part like this, weld part likely can be caused to lose efficacy or reveal.In addition, welding part likely can be caused to rupture when the operation such as carry out that union nut tightens, like this, due to the effect of interior pressure, the upper valve body 1 of fracture ejects, and likely can jeopardize operative employee.
In addition, in the control valve unit shown in Fig. 1, welding part, near O RunddichtringO, due to the heat affecting (adopt resistance welding between upper valve body 1 and lower valve body 2, therefore cannot adopt water cooling) of welding, easily causes the aging of O type circle, thus its sealing is declined.
Therefore, how designing one and can reduce valve body height, reduce valve body external diameter, improve sealing reliability, Security, be easy to again the control valve unit assembled, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The technical problem to be solved in the present invention, for providing a kind of control valve unit, can overcome the deficiency that prior art exists, and has and reduces valve body height, reduction valve body external diameter, improve sealing reliability, Security, and be easy to assembling, for this reason, the present invention adopts following technological scheme:
A kind of control valve unit, comprising:
Valve body in tubular, is provided with the passage for refrigeration agent circulation in described valve body;
Assembly department, described assembly department is symmetrically distributed on the outer side surface of described valve body;
Valve seat, described valve seat is arranged on the underpart of described valve body, is provided with valve port;
Valve rod, described valve rod is arranged in described valve body, by to-and-fro motion, contacts with the valve port of described valve seat or is separated, thus open or close the passage of described valve body;
Described valve body also includes connecting part integrated with it, is provided with connecting part passage in described connecting part; When described control valve unit is in open mode, described connecting part passage is connected with described valve channel; The central axis of described connecting part passage and the central axis of described valve body form acute angle.
Preferably, described valve body and described connecting part, described assembly department are one-body molded by the mode of forging or casting.
Preferably, described assembly department extends distribution along the outer circumference symmetry of described valve body, and its bearing of trend all and 90 degree, the bearing of trend interval of described connecting part.
The present invention also provides a kind of control valve unit, comprising:
Valve body in tubular, is provided with the passage for refrigeration agent circulation in described valve body;
Assembly department, described assembly department is symmetrically distributed on the outer side surface of described valve body;
Valve seat, described valve seat is arranged on the underpart of described valve body, is provided with valve port;
Valve rod, described valve rod is arranged in described valve body, by to-and-fro motion, contacts with the valve port of described valve seat or is separated, thus open or close the passage of described valve body;
Described valve body also includes connecting part integrated with it and filled portion, connecting part passage is provided with in described connecting part, filled passage is provided with in described filled portion, when described control valve unit is in open mode, described connecting part passage, described filled portion passage are all connected with described valve channel; And the central axis of the central axis of described connecting part passage, described filled portion passage all forms acute angle with the central axis of described valve body.
Preferably, described valve body and described connecting part, described filled portion, described filled portion are one-body molded by the mode of forging or casting.
Preferably, described filled portion and connecting part are symmetrical set relative to described valve body.
Preferably, the bearing of trend of described filled portion and connecting part all and 90 degree, the bearing of trend interval of described assembly department.
Preferably, described valve seat and described valve body are split-type structural, and described valve seat is fixedly connected with described valve body by the mode of soldering.
Preferably, described control valve unit also comprises adapter, and described adapter coordinates with described valve seat, and described valve seat, described valve body, described adapter are fixedly connected with by the mode of a soldering.
Preferably, be provided with between described valve rod and described valve body and firmly seal and soft seal.
Control valve unit provided by the invention, owing to eliminating and valve body all-in-one-piece seat portion, therefore when processing connecting part passage, do not need to arrange and the axial difference in size of valve body on connecting part, the lifting of size difference limen can diminish, and therefore makes the whole height of control valve unit reduce.The intensity of valve body only need consider process when internal pressure-resistant, operation, can reduce valve body external diameter.Meanwhile, because welding part is positioned at the underpart of valve body, away from O RunddichtringO, the measures such as water cooling can be applied when welding to valve body top (O RunddichtringO position), easily disappearing and being coated with the impact of welding on O RunddichtringO.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of control valve unit in prior art;
Fig. 2 is the control valve unit schematic appearance of the first mode of execution provided by the invention;
Fig. 3 is the right elevation of Fig. 2;
Fig. 4 is the rear pseudosection of Fig. 2;
Fig. 5 is the control valve unit schematic appearance of the second mode of execution provided by the invention;
Fig. 6 is the right elevation of Fig. 5;
Fig. 7 is the rear pseudosection of Fig. 5.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
First mode of execution:
Please refer to Fig. 2, Fig. 3, Fig. 4, wherein, Fig. 2 is the control valve unit schematic appearance of the first mode of execution provided by the invention, and Fig. 3 is the right elevation of Fig. 2, and Fig. 4 is the rear pseudosection of Fig. 2.
Control valve unit has substantially cylindrical circular valve body 11, and valve body 11 is by forge or the mode such as casting is made, wherein mandrel definition first axle S1.The lower ending opening of valve body 11, for connecting valve seat and adapter (hereafter can be described), its upper end is provided with the opening that opening diameter is less than body cavity 111, namely the upper end portion of valve body 11 is provided with choke 112.
In the inner chamber 111 of valve body 11, be provided with substantially in shaft-like valve rod 13, valve rod 13 can adopt the rectangle material of the yellow cylinder of cutting or aluminium to make usually, the top of valve rod 13 is provided with sealed department 131, and sealing portion 131 coordinates with the choke 112 of valve body upper end portion to realize sealing (namely firmly sealing).In order to improve the sealability of control valve unit further, usually sealed member (i.e. soft seal) is set between valve rod 13 and body cavity 111, in the present embodiment, by arranging groove on the outer peripheral surface of valve rod 13, and in groove, place O RunddichtringO 132, make valve rod 13 in movement process, keep good sealability all the time and between body cavity 111.Meanwhile, be also provided with the screw section of working in coordination at valve rod 13 and the inner chamber of valve body 11, the moment of torsion of valve opening position can be implemented like this to valve rod, make valve rod 13 do elevating movement along the axial direction of valve body 11.
When valve rod 13 is raised to the top of valve body 11, the lower part of body cavity 111 just defines valve channel 113, circulates for refrigerant.
The excircle sidewall of valve body 11 is extended with connecting part 12, and connecting part 12 becomes as a whole with valve body 11 by integrated mode.Connecting part 12 is provided with nut 121.In the present embodiment, the main body of connecting part 12, also in tubular, connecting part 12 is also provided with the connecting part passage 122 for refrigerant circulation, wherein mandrel definition second axis S2.The mode that connecting part passage 122 can adopt machine cut to process usually is formed.
In the present embodiment, first axle S1 and the second axis S2 forms acute angle, namely the orientation according to Fig. 2 or Fig. 4, connecting part 12 is inclined upwardly, the design of this inclination can make the connection part of connecting part 12 and valve body 11 closer to mounting plate, compared with the control valve unit that first axle S1 common on market is rectangular with the second axis S2, the height of valve body can be reduced.
The side of valve body 11 is also provided with a pair assembly department 16, its bearing of trend be set to and the bearing of trend of connecting part 12 along 90 degree, the equal interval, circumference side of valve body 11, assembly department 16 is specially two flanges stretched out, it is respectively arranged with mounting hole 161/162, for being installed in air-conditioning system by control valve unit.
In the underpart of valve body 11, be provided with valve seat 14, the cylindrical shape of valve seat 14 substantially in hollow, its upper end is provided with valve port 141, in the working procedure of control valve unit, is the lifting by operating valve lever 13, make valve stem contacts or away from valve port 141, thus realize opening or closing of valve channel 113.When valve rod 13 drop to coordinate with valve port time, control valve unit is in closed condition.In the below of valve port 141, be also provided with first step portion 142, first step portion 142 locates for carrying out coordinating with adapter 15.Equally, be understandable that, locate, being also provided with second step portion (not adding mark in Fig. 4) in the lower end of valve body 11 to realize valve seat 14 with coordinating of valve body 11, the upper-end surface of valve seat 14 is resisted against in second step portion to realize location and to ensure coaxality.Valve body 11, valve seat 14, adapter 15 are once welded and fixed by the mode of soldering.
Be welded and fixed relative to the valve body up and down of prior art and be not easy to ensure coaxality and the problem that causes sealability not good, in control valve unit provided by the invention, the positions such as the screw section of engaging with valve rod 13 in valve body 11, O RunddichtringO slide part are all only once need clamp a succession of processing carried out, therefore can obtain the guarantee of coaxality easily, thus improve the reliability of sealability.
The control valve unit that present embodiment provides, valve body 11 and connecting part 12 are formed in one, and the upper end portion of valve body 11 is provided with choke 112, and therefore, valve rod 13 before valve seat 14 is installed, can be loaded by the bottom of valve body 11.Further, because valve seat 14 and valve body 11 are split-type structural, therefore, when processing connecting part passage 122, can consider that cutter can be damaged to valve seat 14, relative to the scheme of prior art, just can cancel the design of straight portion, the whole height of control valve unit therefore can be made to reduce.Meanwhile, this structure also need not consider the problem of valve lifting, and the height of valve body can be made to reduce further.
As mentioned above, control valve unit only has a welding part, and namely between valve seat 14 and adapter 15, valve body 11, this welding part is relative to prior art, and distance O RunddichtringO 132 is farther, obviously less to the heat affecting of O RunddichtringO.And when welding, the upper part of valve body 11 can be adopted the water-cooled mode of leaching, more easily eliminating the impact of welding and O RunddichtringO being brought, improve the reliability of sealing.
The factors such as the moment of torsion that wall thickness design will consider control valve unit interior pressure operationally usually, bonnet produces when tightening of control valve unit; In addition, existing control valve unit is located to make valve rod, usually can carry out hydraulic efficiency riveting operation to the tip portion of valve body, and the load applied when bearing hydraulic efficiency riveting operation to enable valve body, just must increase the thickness of valve body.
The control valve unit that present embodiment provides is owing to eliminating welding between valve body 11 with connecting part 12, therefore add do not need man-hour to consider again to weld time needs applyings load, like this, relative to prior art, can the overall wall thickness of valve body be arranged thinner, valve body external diameter can diminish, thus cost-saving.Secondly, the control valve unit that present embodiment provides, valve rod 13 adopts mounting type (with the view of accompanying drawing 4 for benchmark) from bottom to top, adopts the soft seal of O RunddichtringO 132 and the hard sealing of sealed department 131, does not need to arrange bonnet again in the upper end portion of control valve unit; And valve body 11 and connecting part 12 are one of the forming, and do not have welding part between the two, therefore not need to consider in bonnet rundown process be applied to the moment of torsion of welding part, like this, the wall thickness of valve body can be made further thinning.In addition, the control valve unit that the application provides, the reducing 112 due to valve stem tip portion is that machining is formed, therefore do not need to carry out hydraulic efficiency riveting operation, thus can reduce the thickness of valve body further.
The control valve unit that present embodiment provides, because there is a welding part position only at valve seat, and this position is between the installation foot and product mounting plate of valve body 11, like this, when operating control valve unit, even if the frequent moment of torsion applying valve opening position, also load can not be applied to welding part, namely torque load does not put on brazed portions, need not worry that welding part lost efficacy due to load year in year out or leaks.
Even if welding part causes phenomenon of rupture due to the abnormal power that applies, and now valve body assembly department 16 is fixed on product mounting plate, does not have component and ejects under the effect of interior pressure and the safety that jeopardizes operative employee.
Second mode of execution:
Please refer to Fig. 5, Fig. 6, Fig. 7, wherein, Fig. 5 is the control valve unit schematic appearance of the second mode of execution provided by the invention, and Fig. 6 is the right elevation of Fig. 5, and Fig. 7 is the rear pseudosection of Fig. 5.
Because the second mode of execution and the first mode of execution exist some something in common, for avoid burden repeated description, below the difference of emphasis to both be described.For the ease of understanding the technological scheme of the second mode of execution, for the parts identical with effect with the first mode of execution structure, adopt same reference character.
In this second embodiment, the valve rod 13 of valve body 11 inside, valve seat 14, connecting part 12 and the adapter 15 coordinated with valve body 11 by valve seat 14, all identical with the first mode of execution, can understand with reference to the first mode of execution.
Assembly department 16 is the pair of flanges being symmetricly set on valve body 11 outer circumference face, and the bearing of trend of the second axis S2 of itself and connecting part 13 is all arranged in 90 degree.In the present embodiment, also be provided with filled portion 17, fill portion 17 for filling refrigerant to control valve unit, its inside is also formed with filled passage 172, this filled passage 172 also limits the 3rd axis S3, at the upper extreme direction near valve body 11, the 3rd axis S3 also forms acute angle with the first axle S1 of valve body 11, and its angle can be arranged to identical with the angle between first axle S1 and the second axis S2 or be close.
Fill in portion 17 and be also provided with filled portion nut 171, as shown in Figure 7.The bearing of trend filling portion 17 can be set to the bearing of trend of connecting part 12 symmetrical, namely both are along first axle S1 symmetrically state, like this, the filled bearing of trend in portion 17 and the bearing of trend of assembly department 16 are also all in 90 degree of angles, and filled portion 17, connecting part 12, a pair assembly department 16 are evenly distributed in the outer circumference of valve body 11.
Obviously, the description of the above-mentioned technique effect for the first mode of execution is equally also suitable for the second mode of execution, and this is no longer going to repeat them.
It should be noted that, above-mentioned in the description of mode of execution, the term positions such as the upper and lower, left and right related to, are be benchmark based on view shown in accompanying drawing 2-accompanying drawing 7, can not be interpreted as limiting the scope of the invention.
Above control valve unit provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a control valve unit, comprising:
Valve body in tubular, is provided with the passage for refrigeration agent circulation in described valve body;
Assembly department, described assembly department is symmetrically distributed on the outer side surface of described valve body;
Valve seat, described valve seat is arranged on the underpart of described valve body, is provided with valve port;
Valve rod, described valve rod is arranged in described valve body, by to-and-fro motion, contacts with the valve port of described valve seat or is separated, thus open or close the passage of described valve body;
Described valve body also includes connecting part integrated with it, is provided with connecting part passage in described connecting part; When described control valve unit is in open mode, described connecting part passage is connected with described valve channel; The central axis of described connecting part passage and the central axis of described valve body form acute angle.
2. control valve unit as claimed in claim 1, is characterized in that, described valve body and described connecting part, described assembly department are one-body molded by the mode of forging or casting.
3. control valve unit as claimed in claim 2, is characterized in that, described assembly department extends distribution along the outer circumference symmetry of described valve body, and its bearing of trend all and 90 degree, the bearing of trend interval of described connecting part.
4. a control valve unit, comprising:
Valve body in tubular, is provided with the passage for refrigeration agent circulation in described valve body;
Assembly department, described assembly department is symmetrically distributed on the outer side surface of described valve body;
Valve seat, described valve seat is arranged on the underpart of described valve body, is provided with valve port;
Valve rod, described valve rod is arranged in described valve body, by to-and-fro motion, contacts with the valve port of described valve seat or is separated, thus open or close the passage of described valve body;
Described valve body also includes connecting part integrated with it and filled portion, connecting part passage is provided with in described connecting part, filled passage is provided with in described filled portion, when described control valve unit is in open mode, described connecting part passage, described filled portion passage are all connected with described valve channel; And the central axis of the central axis of described connecting part passage, described filled portion passage all forms acute angle with the central axis of described valve body.
5. control valve unit as claimed in claim 4, is characterized in that, described valve body and described connecting part, described filled portion, described filled portion are one-body molded by the mode of forging or casting.
6. control valve unit as claimed in claim 4, it is characterized in that, described filled portion and connecting part are symmetrical set relative to described valve body.
7. control valve unit as claimed in claim 6, is characterized in that, the bearing of trend of described filled portion and connecting part all and 90 degree, the bearing of trend interval of described assembly department.
8. the control valve unit as described in claim 1 or 4, is characterized in that, described valve seat and described valve body are split-type structural, and described valve seat is fixedly connected with described valve body by the mode of soldering.
9. control valve unit as claimed in claim 8, it is characterized in that, described control valve unit also comprises adapter, and described adapter coordinates with described valve seat, and described valve seat, described valve body, described adapter are fixedly connected with by the mode of a soldering.
10. the control valve unit as described in claim 1 or 4, is characterized in that, is provided with and firmly seals and soft seal between described valve rod and described valve body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077892.5A CN104896122A (en) | 2014-03-05 | 2014-03-05 | Valve device |
| JP2014196236A JP5945576B2 (en) | 2014-03-05 | 2014-09-26 | Valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077892.5A CN104896122A (en) | 2014-03-05 | 2014-03-05 | Valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896122A true CN104896122A (en) | 2015-09-09 |
Family
ID=54028975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410077892.5A Pending CN104896122A (en) | 2014-03-05 | 2014-03-05 | Valve device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5945576B2 (en) |
| CN (1) | CN104896122A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855150A (en) * | 2015-12-08 | 2017-06-16 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108266537A (en) * | 2016-12-31 | 2018-07-10 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN112334719A (en) * | 2018-06-18 | 2021-02-05 | 大金工业株式会社 | Stop valve and method for producing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439060B (en) * | 2016-12-30 | 2018-09-18 | 华北水利水电大学 | Integral type low temperature aluminum angle valve |
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| JPH0835579A (en) * | 1993-12-27 | 1996-02-06 | Union Metals Co Ltd | Service valve for refrigerating equipment |
| JP2002147647A (en) * | 2000-11-14 | 2002-05-22 | Chiyoda Kucho Kiki Kk | Valve device |
| JP2005308101A (en) * | 2004-04-22 | 2005-11-04 | Chiyoda Kucho Kiki Kk | Valve device |
| CN201916561U (en) * | 2010-11-25 | 2011-08-03 | 浙江盾安禾田金属有限公司 | Large-sized dual-flange cut-off valve for air conditioner |
| CN102313026A (en) * | 2010-07-07 | 2012-01-11 | 千代田空调机器株式会社 | Control valve unit |
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| JPH0671979U (en) * | 1993-03-19 | 1994-10-07 | 株式会社フジキン | Fluid controller for semiconductor manufacturing equipment |
| JPH11325517A (en) * | 1998-03-17 | 1999-11-26 | Hitoyoshi Aizawa | Refrigerant piping device for room air-conditioner |
| JP3494999B2 (en) * | 2001-01-26 | 2004-02-09 | 仁吉 合澤 | Fluid equipment connection device and fluid equipment |
| US7314057B2 (en) * | 2001-05-29 | 2008-01-01 | Parker Phil A | Pedestal hydrant |
| JP2003056735A (en) * | 2001-08-09 | 2003-02-26 | Fuji Koki Corp | Motor-operated valve |
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2014
- 2014-03-05 CN CN201410077892.5A patent/CN104896122A/en active Pending
- 2014-09-26 JP JP2014196236A patent/JP5945576B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0835579A (en) * | 1993-12-27 | 1996-02-06 | Union Metals Co Ltd | Service valve for refrigerating equipment |
| JP2002147647A (en) * | 2000-11-14 | 2002-05-22 | Chiyoda Kucho Kiki Kk | Valve device |
| JP2005308101A (en) * | 2004-04-22 | 2005-11-04 | Chiyoda Kucho Kiki Kk | Valve device |
| CN102313026A (en) * | 2010-07-07 | 2012-01-11 | 千代田空调机器株式会社 | Control valve unit |
| CN201916561U (en) * | 2010-11-25 | 2011-08-03 | 浙江盾安禾田金属有限公司 | Large-sized dual-flange cut-off valve for air conditioner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855150A (en) * | 2015-12-08 | 2017-06-16 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108266537A (en) * | 2016-12-31 | 2018-07-10 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN112334719A (en) * | 2018-06-18 | 2021-02-05 | 大金工业株式会社 | Stop valve and method for producing same |
| CN112334719B (en) * | 2018-06-18 | 2022-01-11 | 大金工业株式会社 | Stop valve and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5945576B2 (en) | 2016-07-05 |
| JP2015169335A (en) | 2015-09-28 |
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Address after: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Applicant after: Zhejiang three flower intelligent control Limited by Share Ltd Applicant after: Chiyoda Kuchokiki Co., Ltd. Applicant after: SUZHOU CHIYODA SEIKI CO., LTD. Address before: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Applicant before: Zhejiang Sanhua Group Co., Ltd. Applicant before: Chiyoda Kuchokiki Co., Ltd. Applicant before: SUZHOU CHIYODA SEIKI CO., LTD. |
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Application publication date: 20150909 |
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