CN102434677A - Air conditioner stop valve - Google Patents
Air conditioner stop valve Download PDFInfo
- Publication number
- CN102434677A CN102434677A CN2011103585418A CN201110358541A CN102434677A CN 102434677 A CN102434677 A CN 102434677A CN 2011103585418 A CN2011103585418 A CN 2011103585418A CN 201110358541 A CN201110358541 A CN 201110358541A CN 102434677 A CN102434677 A CN 102434677A
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- Prior art keywords
- spool
- copper
- stop valve
- air
- son
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Abstract
The invention relates to an air conditioner stop valve, which comprises a valve body (201), a valve plug (205), a sealing cap (202) and a copper nut (203). A valve plug installation port, an indoor unit port (209) and an outdoor unit port (208) are disposed on the valve body (201), and the indoor unit port (209) is communicated with the outdoor unit port (208). The valve plug (205) is installed in the valve plug installation port, and a tool withdrawal groove (210) matched with a sealing cone (216) on the valve plug (205) is disposed in the outdoor unit port (208). The indoor unit port (209) is connected with the sealing cap (202) through the copper nut (203). The air conditioner stop valve is characterized in that a section of valve plug body with a smooth surface is located between the bottom of external threads (215) on the valve plug (205) and the top of the sealing cone (216) in an axial direction. The air conditioner stop valve is higher in reliability.
Description
Technical field
The present invention relates to the refrigeration appliance fitting field, specifically be meant a kind of air-conditioning stop valve that is used for connection separated body formula indoor apparatus of air conditioner and outdoor unit.
Background technique
Domestic air conditioning generally adopts split-type design, and it comprises indoor set and outdoor unit two-part, the stop valve that indoor set and outdoor unit use when being provided with air-conditioning installation and air-conditioning maintenance.The stop valve operated by rotary motion is on outdoor unit; After separate type air conditioner is installed; Its coolant circulates refrigeration through copper pipe and stop valve between indoor set and outdoor unit, but before air-conditioning is not installed or air-conditioning is when overhauling, the stop valve on the outdoor unit is in cut-off state.Air-conditioning stop valve of the prior art adopts the four-way structure mostly, and in conjunction with accompanying drawing 1, it comprises valve body 101, spool 102, Tong Nazi (claim the forging and pressing nut again, be used for air conditioner refrigerating copper pipe interface and connect) 103, valve inside 104, tool withdrawal groove 105 and sealed cap 106; Valve body 101 is provided with four interfaces; Wherein first interface and valve inside 104 join; Second interface is threaded with spool 102; Be with sealed cap 106 on the 3rd interface and receive son 103 through copper then sealed cap 106 is locked on the interface, the joint of the 4th interface and valve body 101 is provided with tool withdrawal groove 105.When stop valve was closed, spool 102 inside precessions offseted up to the bottom land of its sealing cone and tool withdrawal groove 105, are ended between indoor set interface 110 and the outdoor unit interface 107.When stop valve was opened, spool 102 outwards screwed out, and its sealing cone separates with the bottom land of tool withdrawal groove 105, was communicated with between pipeline 110 and the pipeline 107.There is following deficiency in the stop valve of this structure when specific operation:
One, combine accompanying drawing 4, the worm tooth of the outside thread 111 on the spool 102 of the stop valve of this structure directly links to each other with sealing cone 112, when spool 102 is screwed into tool withdrawal groove 105; Worm tooth can suit with the sealing surface of tool withdrawal groove 105 on the valve body 101; This makes the sealing surface of valve body 101 can receive the wearing and tearing of worm tooth, and the time has been grown and can cause stop valve poorly sealed, and the moment of bearing when spool 102 is fastened simultaneously also increases; Spool 102 bodies also there are certain wearing and tearing; Particularly the tool withdrawal grooves 105 when valve body 101 itself cut partially, cut shallow or when not cutting, operator tend to energetically tightly stopcock core, cause whole stop valve moment to occur and fasten phenomenon; Cause spool 102 stripped threads or distortion easily, thereby fallen at the end reliability of stop valve.
Two, combine accompanying drawing 1 and accompanying drawing 5; Copper is received and is sealed through sealed cap 106 between son 103 and the valve body 101, but in practical operation, an end face of sealed cap 106 will with the conical surface of pipeline 110 to the jail; The other end of sealed cap 106 will be received son 103 interior edge face with copper and fit; What sealed cap adopted in the existing technology is all very smooth red copper cap in upper and lower end face, is difficult to when this structure causes fitting tight cap 106 its position alignment, causes stop valve operation when assembling very not convenient; And the price of red copper cap is very high, and this has also increased the cost of production of stop valve.
Three, combine accompanying drawing 2 and accompanying drawing 3, it is complete helix structure that copper is received son 103 internal thread, and it is big that copper is received the resistance that receives when son 103 is screwed, and the operation effort of screwing causes easily also that operator overexert and causes copper to receive the internal thread stripped thread of son 103.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of reliability higher air-conditioning stop valve.
For solving the problems of the technologies described above, technological scheme provided by the invention is: a kind of air-conditioning stop valve, and it comprises that valve body, spool, sealed cap and copper receives son; Valve body is provided with spool mount inlet, indoor set interface and outdoor unit interface, and indoor set interface and outdoor unit interface are communicated with; Spool is installed in the spool mount inlet, be provided with in the outdoor unit interface with spool on the tool withdrawal groove that matches of sealing cone; Receive son through copper on the indoor set interface and be connected with sealed cap; Between the externally threaded bottom on the spool and the top axial of sealing cone the smooth spool body of a section surface (described ganoid spool body is meant the spool body that screw thread is not set).
As preferably, the length of said ganoid spool body is not less than 1.5 times of externally threaded pitch of spool.
As preferred and improve, said sealed cap is the nylon cap, the nylon cap be provided be used for copper receive the through-hole wall fit on the son outer directional post be used for and the inwall of the indoor set interface interior directional post of fit mutually.
As improvement, internal thread upper edge copper sodium of said copper sodium be axially arranged with at least one thread groove.
As preferably, said thread groove is 3, evenly distributes along the screw thread circumference.
As improvement, the copper of said copper sodium is received sub-large diameter end and is provided with external diameter and receives the step of peripheral other part external diameters of son less than copper.
After adopting above structure, the present invention has following advantage:
One, the segment distance of being separated by between screw thread on the spool and the sealing cone; When the sealing cone of spool and tool withdrawal groove offset; Screw thread can not suit with the sealing surface in the tool withdrawal groove on the valve body, can not destroy the sealing surface of valve body, has alleviated the moment of bearing when spool is fastened simultaneously yet; Spool there is the certain protection effect, the reliability of stop valve is got a promotion.The segment distance of being separated by between screw thread on the spool and the sealing cone, this segment distance makes spool when fastening and between the tool withdrawal groove cell wall, leave certain clearance, and this gap can effectively prevent to cause product to leak because of tool withdrawal groove cuts partially, cuts shallow or do not cut; Employed moment also can reduce when operator screwed operation to spool simultaneously, had effectively protected spool; It is the distance between at least one outside thread tooth of half of being separated by between screw thread and the sealing cone on the spool that the length of said ganoid spool body is not less than 1.5 times of externally threaded pitch of spool; This preference is guaranteeing can also to guarantee that spool is under full-gear when spool and tool withdrawal groove do not have the wearing and tearing sealing; Still have 1-2 tooth and valve body main aperture screw thread to interlock, can prevent that the material in the valve body from oozing out from the spool mount inlet.
Two, said sealed cap is the nylon cap, the nylon cap be provided be used for copper receive the through-hole wall fit on the son outer directional post be used for and the inwall of the indoor set interface interior directional post of fit mutually.This structure is because there is the effect of inside and outside directional post, and operator receive the period of the day from 11 p.m. to 1 a.m at installation nylon cap and copper, need not repeatedly to carry out alignment function; Directly outer directional post is inserted copper and receive in the son, insert interior directional post in the indoor set interface again and then the copper of screwing is received son and got final product, quick and easy for installation like this; Improved operator's working efficiency; Simultaneously because the nylon cap is the working of plastics structure, ductility is superior to copper fitting, under receiving with the situation of equal pressure can better with sealing joint; The cost that is exactly the nylon cap in addition is lower than copper fitting, has reduced the cost of production of valve.
Three, internal thread upper edge copper sodium of said copper sodium is axially arranged with at least one thread groove.This structure has effectively reduced the resisting moment that copper sodium receives when screwing, copper is received the internal thread of son has the certain protection effect, has also increased simultaneously the comfort level of the operation of screwing.
Four, the copper of said copper sodium is received sub-large diameter end and is provided with the step of external diameter less than other parts, this structure is guaranteeing that copper receives in the sub-intensity, has further reduced copper and has received the material of son, makes Tong Nazi lighter, has also reduced cost of production.
Description of drawings
Fig. 1 is the cross-sectional view of air-conditioning stop valve in the existing technology.
Fig. 2 be in the existing technology copper receive the son structural representation.
Fig. 3 be in the existing technology copper receive the son plan view.
Fig. 4 is the structural representation of the spool of existing technology.
Fig. 5 is the structural representation of sealed cap in the existing technology.
Fig. 6 is the cross-sectional view of the air-conditioning stop valve that the present invention relates to.
Fig. 7 is that the copper that the present invention relates to is received the structural representation of son.
Fig. 8 is that the copper that the present invention relates to is received the plan view of son.
Fig. 9 is the structural representation of the spool that the present invention relates to.
Figure 10 is the structural representation of the nylon cap that the present invention relates to.
As shown in the figure: 101, valve body, 102, spool, 103, Tong Nazi, 104, valve inside, 105, tool withdrawal groove, 106, sealed cap; 107, outdoor unit interface, 108, the spool end cap, 109, the valve inside end cap, 110, the indoor set interface, 111, outside thread, 112, sealing cone; 201, valve body, 202, sealed cap, 203, Tong Nazi, 204, the spool end cap, 205, spool, 206, valve inside; 207, valve inside end cap, 208, the outdoor unit interface, 209, the indoor set interface, 210, tool withdrawal groove, 211, copper receives sub-large diameter end; 212, thread groove, 213, outer directional post, 214, interior directional post, 215, outside thread, 216, sealing cone.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description.
In conjunction with accompanying drawing 6, a kind of air-conditioning stop valve, it comprise valve body 201, spool 205, sealed cap 202 and copper receive the son 203; Valve body 201 is provided with spool mount inlet, indoor set interface 209 and outdoor unit interface 208, and indoor set interface 209 is communicated with outdoor unit interface 208; Spool 205 is installed in the spool mount inlet, be provided with in the outdoor unit interface 208 with spool 205 on the tool withdrawal groove 210 that matches of sealing cone 216; Receive son through copper on the indoor set interface 209 and 203 be connected with sealed cap 202; It between the bottom of the outside thread 215 on the spool 205 and the top axial of sealing cone 216 the smooth spool body of a section surface.The length of said ganoid spool body is not less than the pitch of 1.5 times of spool outside threads 215.
Further combine accompanying drawing 10, said sealed cap 202 is the nylon cap, the nylon cap be provided be used for copper receive the through-hole wall fit of son on 203 outer directional post 213 be used for and the inwall of the indoor set interface 209 interior directional post 214 of fit mutually.
Further combine accompanying drawing 8, internal thread upper edge copper sodium 203 of said copper sodium 203 be axially arranged with at least one thread groove 212.During practical implementation, said thread groove 212 is 3, evenly distributes along the screw thread circumference, and axially connects whole helix.
Further combine accompanying drawing 7, the copper of said copper sodium 203 is received sub-large diameter end 211 and is provided with external diameter and receives the step of peripheral other part external diameters of son less than copper.
The present invention in the specific implementation; Also comprise the parts of in foregoing, mentioning like the indispensable parts of other stop valves such as spool end cap 204, valve inside end cap 207; The method for using of air-conditioning stop valve is quite ripe in the prior art, no longer details among the present invention.The length of said ganoid spool body is not less than the pitch of 1.5 times of spool outside threads 215, when specific operation, be meant with the bottom of the outside thread that has processed 215 again car fall two worm tooths.Certainly the present invention has more than and is confined to remove two worm tooths; It also can be one and half; Three or four, operator can judge according to actual conditions, after guaranteeing generally speaking to remove the worm tooth of some as far as possible; Spool also has at least the main aperture screw thread of a tooth and valve body to interlock under full-gear.Also having, though the present invention has changed the red copper cap into the nylon cap, and has improved dependency structure, be not limited to the nylon cap, can also be the sealed cap of other materials, and the directional post on the sealed cap also can other shapes, as long as have leading role.Also having the copper of said copper sodium 203 to receive sub-large diameter end 211 is provided with external diameter and receives the step of peripheral other part external diameters of son less than copper; Be meant that in the present invention axial car has gone out one from port one～3mm length on the large diameter end 211 of copper sodium 203, radial depth is at the ring-shaped step of 1～3mm.
Certainly the present invention can also have other a lot of variations, but so long as based on conspicuous variation under the present invention's design all within protection scope of the present invention.
Claims (6)
1. air-conditioning stop valve, it comprises that valve body (201), spool (205), sealed cap (202) and copper receives son (203); Valve body (201) is provided with spool mount inlet, indoor set interface (209) and outdoor unit interface (208), and indoor set interface (209) and outdoor unit interface (208) are communicated with; Spool (205) is installed in the spool mount inlet, be provided with in the outdoor unit interface (208) with spool (205) on the tool withdrawal groove (210) that matches of sealing cone (216); Indoor set interface (209) is gone up and to be received son (203) through copper and be connected with sealed cap (202); It is characterized in that: be the smooth spool body of a section surface between the bottom of the outside thread (215) on the spool (205) and the top axial of sealing cone (216).
2. air-conditioning stop valve according to claim 1 is characterized in that: the length of said ganoid spool body is not less than the pitch of 1.5 times of spool outside threads (215).
3. air-conditioning stop valve according to claim 1; It is characterized in that: said sealed cap (202) is the nylon cap, the nylon cap be provided be used for copper receive the through-hole wall fit on the son (203) outer directional post (213) and be used for and the inwall of indoor set interface (209) the interior directional post (214) of fit mutually.
4. air-conditioning stop valve according to claim 1 is characterized in that: internal thread upper edge copper sodium (203) of said copper sodium (203) be axially arranged with at least one thread groove (212).
5. air-conditioning stop valve according to claim 4 is characterized in that: said thread groove (212) is 3, evenly distributes along the screw thread circumference.
6. air-conditioning stop valve according to claim 1 is characterized in that: the copper of said copper sodium (203) is received sub-large diameter end (211) and is provided with external diameter and receives the step of peripheral other part external diameters of son less than copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103585418A CN102434677A (en) | 2011-11-14 | 2011-11-14 | Air conditioner stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103585418A CN102434677A (en) | 2011-11-14 | 2011-11-14 | Air conditioner stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102434677A true CN102434677A (en) | 2012-05-02 |
Family
ID=45982917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103585418A Pending CN102434677A (en) | 2011-11-14 | 2011-11-14 | Air conditioner stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102434677A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206550A (en) * | 2013-04-03 | 2013-07-17 | 广东美的制冷设备有限公司 | Stop valve for air conditioners |
| CN104006200A (en) * | 2014-06-19 | 2014-08-27 | 广东志高空调有限公司 | Check valve for air conditioner |
| CN104074986A (en) * | 2013-03-29 | 2014-10-01 | 浙江盾安禾田金属有限公司 | Stop valve |
| 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 |
| WO2021143285A1 (en) * | 2020-01-13 | 2021-07-22 | 珠海格力电器股份有限公司 | Valve and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2138220Y (en) * | 1992-09-12 | 1993-07-14 | 王德平 | Cooling stop valve |
| CN2483650Y (en) * | 2001-06-26 | 2002-03-27 | 张永峰 | Shut off valve set for air conditioner |
| CN1393669A (en) * | 2001-06-26 | 2003-01-29 | 张永峰 | Cut-off valve set for air conditioner |
| CN2619130Y (en) * | 2003-04-28 | 2004-06-02 | 浙江三花股份有限公司 | Plastic seal cap |
| CN2763671Y (en) * | 2005-01-28 | 2006-03-08 | Tcl集团股份有限公司 | Stop valve for air conditioner |
-
2011
- 2011-11-14 CN CN2011103585418A patent/CN102434677A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2138220Y (en) * | 1992-09-12 | 1993-07-14 | 王德平 | Cooling stop valve |
| CN2483650Y (en) * | 2001-06-26 | 2002-03-27 | 张永峰 | Shut off valve set for air conditioner |
| CN1393669A (en) * | 2001-06-26 | 2003-01-29 | 张永峰 | Cut-off valve set for air conditioner |
| CN2619130Y (en) * | 2003-04-28 | 2004-06-02 | 浙江三花股份有限公司 | Plastic seal cap |
| CN2763671Y (en) * | 2005-01-28 | 2006-03-08 | Tcl集团股份有限公司 | Stop valve for air conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074986A (en) * | 2013-03-29 | 2014-10-01 | 浙江盾安禾田金属有限公司 | Stop valve |
| CN103206550A (en) * | 2013-04-03 | 2013-07-17 | 广东美的制冷设备有限公司 | Stop valve for air conditioners |
| CN104006200A (en) * | 2014-06-19 | 2014-08-27 | 广东志高空调有限公司 | Check valve for air conditioner |
| 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 |
| WO2021143285A1 (en) * | 2020-01-13 | 2021-07-22 | 珠海格力电器股份有限公司 | Valve and air conditioner |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |