CN104074986A - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN104074986A CN104074986A CN201310106731.XA CN201310106731A CN104074986A CN 104074986 A CN104074986 A CN 104074986A CN 201310106731 A CN201310106731 A CN 201310106731A CN 104074986 A CN104074986 A CN 104074986A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- indoor set
- stop valve
- set interface
- 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
- 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
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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
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a stop valve comprising a valve body (19) and a valve cavity. A spool (2) is disposed inside the valve cavity. The spool (2) is disposed inside an indoor unit connector (23) and is fitly connected with an internal thread of an outdoor unit connector (23) through an external thread (6) arranged on the connection end of the spool (2). The spool (2) and an indoor unit connector (24) are coaxial; the axial center of the connecting end of the spool (2) is provided with a main flow passage (3). The connecting end of the spool (2) is radially provided with at least one auxiliary flow passage (4) which is communicated with the main flow passage (3). The stop valve has the advantages that flow of medium flowing through the valve body is guaranteed, total height of the valve body is reduced and the valve is convenient to mount.
Description
Technical field
The present invention relates to a kind of stop valve, belong to air conditioner refrigerating technical field, especially relate to stop valve accessory technical field.
Background technique
Stop valve is indispensable critical component on split-type air conditioner, is the main body part that connects source of the gas input and output.The quality of the quality of stop valve is directly determining the quality of air-conditioning.
The patent No. is as shown in Figure 1: the Chinese design patent of CN200830145889.8 discloses a kind of structural representation of stop valve, in the stop valve of this structure, adopts hexagonal copper rod to make valve body, and course of working is comparatively loaded down with trivial details and cost is higher.
Of the prior art a kind of stop valve as shown in Figure 2, comprise main valve body, be placed in spool, valve inside in main valve body, although this kind of stop valve has good blocking effect, but in the structure of this stop valve, whole spool is arranged in the valve pocket of main valve body, shape angle in 90 ° between indoor set interface and described spool, if adopt this kind of mode, the height of valve body is higher, is unfavorable for assembling.In addition, this spool is solid construction, needs larger space when valve wide open.
Summary of the invention
For overcoming above-mentioned shortcomings and deficiencies of the prior art, the invention provides a kind of novel cutoff valve, the spool of this stop valve is coaxial with nipple orifice, in nipple orifice, be provided with screw thread, a part for spool can be packed in nipple orifice, reduced thus the total height of valve body, after valve body height reduces, in order to guarantee the flow of valve, in the middle of described spool and inside offer runner hole, the flow of the valve in-vivo medium that guaranteed to flow through.
For achieving the above object, the invention provides a kind of stop valve, comprise main valve body and valve pocket, in this valve pocket, be provided with spool; In described main valve body, offer indoor set interface, outdoor unit interface and control mouth, described indoor set interface, outdoor unit interface and a control mouthful mutual conduction; It is characterized in that: described spool is placed in described indoor set interface and is connected with the screw-internal thread fit in described indoor set interface by the outside thread on the connecting end of spool, and described spool is coaxial with described indoor set interface; On the shaft core position of the connecting end of spool, offer sprue, at the connecting end of spool, offer in the radial direction at least one secondary flow road and described sprue conducting.
Preferably, the integral type four-way structure that described main valve body is forging molding.
As another kind of replacement scheme preferably, described main valve body and flange are integrated the integral structure of forging forming, have guaranteed the reliability being connected between described adapter and main valve body.
In above-mentioned arbitrary scheme, preferably, the inwall of described valve pocket is provided with sealing surface and tool withdrawal groove, and described sealing surface is opened in the port of the indoor set interface being communicated with described valve pocket.The effect of tool withdrawal groove is: when the inner chamber of the described valve body of processing, be convenient to cutter withdrawing.
In above-mentioned arbitrary scheme preferably, described spool is provided with conical surface, it engages to seal described indoor set interface or described valve pocket with described valve pocket inner sealing surface activity, described conical surface is arranged on spool and is placed in the right side in described secondary flow road, by conical surface, firmly seals with the realization that coordinates between sealing surface.Also can adopt other modes to carry out closure between the two.For example, by screw thread, realize the function of sealing.
In above-mentioned arbitrary scheme, preferably, described conical surface is located between the connecting end of described spool and the control end of spool.
In above-mentioned arbitrary scheme, preferably, described main valve body also comprises valve cock, described valve cock and described valve pocket conducting.
In above-mentioned arbitrary scheme, preferably, on the shaft core position of the control end of described spool, offer hexagonal endoporus.
In above-mentioned arbitrary scheme, preferably, the outer circumferential walls of described control end is provided with circumferential groove.
In above-mentioned arbitrary scheme, preferably, on described control end, cover has O type circle and is placed in described circumferential groove.
In above-mentioned arbitrary scheme, preferably, between the circumferential groove on described spool and described conical surface, offer and fill fluorine groove.
In above-mentioned arbitrary scheme preferably, described circumferential groove with described in to fill fluorine groove coaxial.
In above-mentioned arbitrary scheme, preferably, described outdoor unit interface is fixedly connected with adapter by flange.
In above-mentioned arbitrary scheme, preferably, on the circumferential inner wall of described outdoor unit interface, offer flange step.
In above-mentioned arbitrary scheme, preferably, the diameter of described sprue is greater than the diameter in described secondary flow road.
Compared with prior art the invention has the advantages that: the main valve body of this stop valve adopts the monolithic construction of integral type forging forming, or adopt the structure of main valve body and flange one forging forming, material is saved in the manufacture processing of valve body more, has reduced operation and has been convenient to and install in processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of stop valve of the prior art;
Fig. 2 is the structural representation of another kind of stop valve in prior art;
Fig. 3 is the perspective view of stop valve one preferred embodiment in the present invention;
Fig. 4 is according to the left view of preferred embodiment shown in Fig. 3 of stop valve of the present invention;
Fig. 5 is according to the sectional view of the cross section A-A of preferred embodiment shown in Fig. 4 of stop valve of the present invention;
Fig. 6 is according to the plan structure schematic diagram of preferred embodiment shown in Fig. 5 of stop valve of the present invention;
Fig. 7 is in closed state structural representation according to preferred embodiment shown in Fig. 6 of the stop valve in the present invention;
Fig. 8 is in opening state structural representation according to preferred embodiment shown in Fig. 7 of stop valve of the present invention;
Fig. 9 is according to the left TV structure schematic diagram of main valve body in preferred embodiment shown in Fig. 8 of the stop valve in the present invention;
Figure 10 is according to the sectional view of the section B-B of main valve body in preferred embodiment shown in Fig. 9 of stop valve of the present invention;
Figure 11 is according to the plan structure schematic diagram of main valve body in preferred embodiment shown in Figure 10 of stop valve of the present invention;
Figure 12 is according to the valve core structure schematic diagram in main valve body in preferably implementing shown in Figure 11 of stop valve of the present invention;
Figure 13 is according to the sectional view of the section C-C of spool in preferred embodiment shown in Figure 12 of stop valve of the present invention;
Figure 14 is according to the left TV structure schematic diagram of main valve body inner spool in preferred embodiment shown in Figure 12 of stop valve of the present invention.
In figure, reference character is: 1: adapter, 2: spool, 3: sprue, 4: secondary flow road: 5: tool withdrawal groove, 6: outside thread, 8: Female connector fittings, 9: valve cock, 10: valve inside, 11: dust cap, 12: conical surface, 13: block, 14: fill fluorine groove, 15: endoporus, 16:O type circle, 17: snap ring, 18: flange, 19: main valve body, 21: sealing surface, 22: annular groove, 23: outdoor unit interface, 24: indoor set interface, 25: control mouth, 26: circumferential groove.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment according to stop valve of the present invention is further explained to explanation.
As Fig. 3-6, shown in 9-11, a kind of stop valve, comprises main valve body 19, is placed in the spool 2 in valve pocket, valve inside 10; On described main valve body 19, offer valve cock 9, indoor set interface 24, outdoor unit interface 23 and control the main valve body 19 that mouthful 25, four mutual conduction form a four-way structure.Wherein in valve cock 9, valve inside 10 is installed, the outer circumferential walls of described valve cock 9 is provided with outside thread, described valve inside 10 is placed in the valve cock 9 of described main valve body 19, by the internal thread of described dust cap 11 and the outside thread in described valve cock 9 outer circumferential walls, be connected, seal described valve cock 9.
In the outer circumferential walls of described indoor set interface 24, be provided with equally outside thread, the outside thread of indoor set interface 24 is by being connected with the screw-internal thread fit of Female connector fittings 8, and the effect of Female connector fittings 8 is fixing any pipeline or the adapter being connected with described main valve body 19.Between indoor set interface 24 and described valve cock 9, differ 90 degree, the axis of described indoor set interface 24 and describedly control mouthfuls 25 dead in line, i.e. the two ends of main valve body 19, one end is indoor set interface 24, the other end is for controlling mouthfuls 25.In the outer circumferential walls of described control mouth 25, be provided with equally screw thread and be connected with the screw-internal thread fit of block 13, sealing described control mouth 25.The axis of indoor set interface 24 is perpendicular to the axis of described outdoor unit interface 23.Described outdoor unit interface 23 is fixedly connected with adapter 1 by flange 18.On the circumferential inner wall of outdoor unit interface 23, offer flange step.Take over 1 and insert in outdoor unit interface, the effect of flange step is fixing described adapter 1 and limits the degrees of freedom of taking over 1, described adapter 1 is fixed in outdoor unit interface 23 firmly.
In the valve pocket of described main valve body 19, offering tool withdrawal groove 5 is convenient to cutter and in described valve pocket, carries out withdrawing, in main valve body 19, be provided with the sealing surface 21 matching with conical surface 12 on spool 2, spool 2 in main valve body 19 is when described valve pocket, indoor set interface 24, the 25 interior motion of control mouth, when described conical surface 12 contacts with described sealing surface 21, the described indoor set interface 24 of spool 2 sealing, air or other media of indoor set interface 24 of now flowing through can not enter described valve pocket, realizes the effect of blocking-up medium.When described spool 2 moves right, conical surface 12 on spool 2 leaves described sealing surface 21 and moves right, and now the medium in indoor set interface 24 is successively by sprue 3, secondary flow road 4, the outdoor unit interface 23 and described adapter 1 conducting of described indoor set interface 24, spool 2.Or, when described spool 2 moves right, conical surface 12 on spool 2 leaves described sealing surface 21 and moves right, now the medium in outdoor unit interface 23 successively secondary flow road 4, the sprue 3 by described outdoor unit interface 23, spool 2, enter indoor set interface 24.The inner diameter of controlling mouth 24 is slightly larger than the inner diameter of indoor set interface 24.
As shown in Fig. 7 and Figure 10, when the main valve body 19 of described stop valve is during in closed condition, the connecting end of spool 2 is placed in described indoor set interface 24, when spool 2 is placed in described valve pocket, the control end of spool 2 is placed in described control mouth 25, and the connecting end of described spool 2 is placed in described indoor set interface 24.Now, the conical surface 12 of spool 2 engages with described sealing surface 21, indoor set interface 24 described in shutoff, now valve cock 9, fill fluorine groove 14 and described outdoor unit interface 23 conductings.On circumferential inner wall in valve cock 9, offer step circle, valve inside 10 inserts in valve cock 9 and is placed on described step circle, described step circle supports valve inside 10. as shown in Fig. 8 and Figure 10, when the main valve body 19 of described stop valve is during in opening state, the connecting end of spool 2 is partly placed in described indoor set interface 24, the control end of spool 2 is all placed in described control mouth 25, and the conical surface 12 on spool 2 leaves sealing surface 21.Now, indoor set interface 24 is by the sprue 3 on spool 2, secondary flow road 4 and described outdoor unit interface 23 conductings.Medium in indoor set interface 24 successively sprue 3, secondary flow road 4 enters in outdoor unit interface 23 and is connected with outdoor unit by taking over 1.In other words, first the medium in described adapter 1 by outdoor unit interface 23, is secondly by secondary flow road 4, sprue 3, to enter described indoor set interface 24 successively, and indoor set interface 24 is connected with indoor set by pipeline.
As Fig. 5, shown in 12-14, spool 2 is placed in the valve pocket of described main valve body 19, and the connecting end of described spool 2 is placed in described indoor set interface 24.Outside thread 6 on the connecting end of spool 2 is connected with the screw-internal thread fit of described indoor set interface 24, fixing described spool 2.Spool 2 is coaxial with described indoor set interface 24, i.e. the dead in line of the axis of spool 2 and described indoor set interface 24.The object of doing is like this: existing stop valve structure is that whole spool is arranged in valve pocket and with joint structure and forms 90 degree angles, in order to reduce raw-material input, present inventor, change traditional design method, spool 2 and indoor set interface 24 are designed to coaxial configuration, and are designed with screw thread in described indoor set interface 24, the connecting end of spool 2 can be encased in described indoor set interface 24, reduce thus the total height of valve body, saved materials.After the height of described valve body reduces, for the rate-of flow in stop valve in the present embodiment that guarantees to flow through, on the shaft core position of the connecting end of described spool 2, offer sprue 3, the connecting end of spool 2 offer in the radial direction secondary flow road 4, the quantity in described secondary flow road 4 be at least one and with sprue 3 conductings.In the present embodiment, the quantity in described secondary flow road 4 is two, and mutually perpendicular to described sprue 3, sprue 3 and two secondary flow road 4 conductings.
On the shaft core position of the control end of described spool 2, offer endoporus, the bottom of described endoporus is conical structure, in the present embodiment, described endoporus 15 is hexagonal endoporus, and the endoporus of certainly offering on the shaft core position of spool 2 control ends in the present invention can be also triangle or polygonal endoporus.In the time need to controlling the flow of described stop valve, staff turns on block 13, and hand-held hexagon wrench, inserts described spanner in described endoporus 15, by rotating described spanner, adjusting the position of spool 2 in described valve pocket, and then the flow of control media in described stop valve.When needs are closed described stop valve, utilize spanner to rotate described spool 2, the sealing surface 21 in conical surface on spool 2 12 and described valve pocket in conjunction with time, described stop valve is in closed state.The outer circumferential walls of the control end of spool 2 is provided with circumferential groove 26, on circumferential groove 26, cover has O type circle 16, when the spool 2 with O type circle is placed in described main valve body 19 when interior, spool 2 is fixedly mounted in described indoor set interface 24 by the outside thread 6 on connecting end, and O type circle 16 is enclosed within the tightness that has further guaranteed described stop valve on described spool 2.On the spool 2 between described circumferential groove 26 and described conical surface 12, offer and fill fluorine groove 14, circumferential groove 26 with described in to fill fluorine groove 14 coaxial.In the time need to adding freon to the stop valve in the present embodiment, fluoridize device can be connected with described valve cock 9, be stop valve fluoridize.On the circumferential inner wall of described control mouth 25, offer annular groove 22.In described annular groove 22, be provided with snap ring 17, moving axially of the snap ring 17 described spools 2 of restriction, the pressure medium of effectively having avoided in described valve pocket that arranges of snap ring 17 causes when excessive spool 2 to be scurried out in described control mouthfuls 25, or causes screw thread 6 on spool 2 or the screw thread in indoor set interface 24 to be threaded off causing personnel's injures and deaths because repeatedly adjust the position of spool 2.
In the present embodiment, in order to reduce manufacture cost, described spool 2 adopts aluminum alloy material manufacture or Steel material manufacture, and described main valve body 19 adopts metallic copper to make.Described main valve body 19 also can adopt split manufacture with described flange 18, then by welding the two joint.Take over 1 and engage with the outdoor unit interface 25 on described main valve body 19 by screw thread, guaranteed to take over 1 and described main valve body 19 between closed performance.Flange 18 has two ends, offers an attachment hole on each end.In order more firmly to fix described adapter 1, the attachment hole on flange 18 can be fixed on the body of outdoor unit by bolt or screw.
Not conducting between endoporus 15 on the control end sprue 3 on spool 2 and spool 2.During installation, first the connecting end of described spool 2 is inserted in described valve pocket from control mouth 25.The slightly larger in diameter of described indoor set interface 24, in the diameter of described spool 2, just can insert in described indoor set interface 24 described spool 2.The control end of spool 2 and the end of connecting end are provided with chamfering circle, are convenient to insert and take out spool 2.
On the circumferential inner wall of described indoor set interface 24, attacked internal thread, on the connecting end of spool 2, attacked outside thread 6, by the linkage function of internal thread and outside thread 6, thereby described spool 2 has been fixed in the indoor set interface 24 in described main valve body 19 firmly.Specifically first O type circle 16 is enclosed within the circumferential groove 26 on described spool 2, in circumferential groove 26, scribbles oiling agent, reduce spool 2 and control the frictional force between mouthful 25 inwalls.Secondly, staff inserts spanner in the endoporus 15 of described spool 2, the described spool 2 that turns clockwise, and now the outside thread 6 on spool 2, slowly by the leading role of internal thread on indoor set interface 24, enters indoor set interface 24.Again snap ring 17 is put into described annular groove 22, finally block 13 rotations are being bonded on and are being controlled on mouth 25.
In order to overcome the connection part of stop valve, in the process of reality use, occur that dropping liquid phenomenon adopts the fine thread in metric system equilateral triangle scyewed joint by the screw thread between adapter 1 and outdoor unit interface 23, reason is: when the external diameter of screw thread is identical, the internal diameter of fine thread is large, intensity is high, and fine thread pitch is little, lift angle also reduces thereupon, so self-locking property is good, is difficult for getting loose.Equally, indoor set interface 24 with take between adopt above-mentioned connecting mode to connect equally, prevent the generation of the phenomenons such as dropping liquid is loosening.
It should be noted that, illustrated embodiment of the present invention, just in order more clearly to express the stop valve in the present invention, is not limited to the present invention; All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within all comprising the protection domain of stop valve in the present invention.The shape of the endoporus that for example, the control end shaft core position of spool 2 is offered, the conical surface 12 on spool 2 and the seal form between described sealing surface 21 etc.Every foundation technical spirit of the present invention, to any simple modification made for any of the above embodiments, all still belongs to the scope of technical solution of the present invention.
Claims (8)
1. a stop valve, comprises main valve body (19) and valve pocket, is provided with spool (2) in this valve pocket; In described main valve body (19), offer indoor set interface (24), outdoor unit interface (23) and control mouthful (25), described indoor set interface (24), outdoor unit interface (23) and control mouthful (25) mutual conduction; It is characterized in that: described spool (2) is placed in described indoor set interface (23) and by the outside thread (6) on the connecting end of spool (2) and is connected with the screw-internal thread fit in described indoor set interface (23), and described spool (2) is coaxial with described indoor set interface (24); On the shaft core position of the connecting end of spool (2), offer sprue (3), at the connecting end of spool (2), offer in the radial direction at least one secondary flow road (4) and described sprue (3) conducting.
2. stop valve as claimed in claim 1, is characterized in that: the inwall of described valve pocket is provided with sealing surface (21) and tool withdrawal groove (5), and described sealing surface (21) is opened in the port of the indoor set interface (23) being communicated with described valve pocket.
3. stop valve as claimed in claim 1, it is characterized in that: described spool (2) is provided with conical surface (12), it engages to seal described indoor set interface (24) or described valve pocket with described sealing surface (21) is movable, and described conical surface (12) is arranged on the right side that described secondary flow road (4) was gone up and be placed in to spool (2).
4. stop valve as claimed in claim 3, is characterized in that: described conical surface (12) is located between the connecting end of described spool (2) and the control end of spool (2).
5. stop valve as claimed in claim 1, is characterized in that: described main valve body (19) also comprises valve cock (9), described valve cock (9) and described valve pocket conducting.
6. stop valve as claimed in claim 3, is characterized in that: between the circumferential groove (26) on described spool (2) and described conical surface (12), offer and fill fluorine groove (14).
7. stop valve as claimed in claim 6, is characterized in that: described circumferential groove (26) with described in to fill fluorine groove (14) coaxial.
8. stop valve as claimed in claim 1, is characterized in that: on the circumferential inner wall of described outdoor unit interface (23), offer flange step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106731.XA CN104074986A (en) | 2013-03-29 | 2013-03-29 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106731.XA CN104074986A (en) | 2013-03-29 | 2013-03-29 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104074986A true CN104074986A (en) | 2014-10-01 |
Family
ID=51596467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310106731.XA Pending CN104074986A (en) | 2013-03-29 | 2013-03-29 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104074986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832657A (en) * | 2015-04-14 | 2015-08-12 | 冈山精工(中山)有限公司 | Improved-sealing-ring-setting-based stop valve for air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020148990A1 (en) * | 2001-04-11 | 2002-10-17 | Kandel Leroy J. | Preventative stop valve system and method |
| CN201269669Y (en) * | 2008-09-05 | 2009-07-08 | 常州常恒露斯电器有限公司 | Break valve for air conditioner |
| CN201963984U (en) * | 2010-12-03 | 2011-09-07 | 浙江盾安禾田金属有限公司 | Split type air-conditioner and stop valve of same |
| CN102434677A (en) * | 2011-11-14 | 2012-05-02 | 宁波日月制冷设备有限公司 | Air conditioner stop valve |
| CN202756629U (en) * | 2012-07-21 | 2013-02-27 | 李正明 | Angle valve with washable filter net |
-
2013
- 2013-03-29 CN CN201310106731.XA patent/CN104074986A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020148990A1 (en) * | 2001-04-11 | 2002-10-17 | Kandel Leroy J. | Preventative stop valve system and method |
| CN201269669Y (en) * | 2008-09-05 | 2009-07-08 | 常州常恒露斯电器有限公司 | Break valve for air conditioner |
| CN201963984U (en) * | 2010-12-03 | 2011-09-07 | 浙江盾安禾田金属有限公司 | Split type air-conditioner and stop valve of same |
| CN102434677A (en) * | 2011-11-14 | 2012-05-02 | 宁波日月制冷设备有限公司 | Air conditioner stop valve |
| CN202756629U (en) * | 2012-07-21 | 2013-02-27 | 李正明 | Angle valve with washable filter net |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832657A (en) * | 2015-04-14 | 2015-08-12 | 冈山精工(中山)有限公司 | Improved-sealing-ring-setting-based stop valve for air conditioner |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141001 |