CN201074686Y - Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve - Google Patents
Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve Download PDFInfo
- Publication number
- CN201074686Y CN201074686Y CNU2007200004629U CN200720000462U CN201074686Y CN 201074686 Y CN201074686 Y CN 201074686Y CN U2007200004629 U CNU2007200004629 U CN U2007200004629U CN 200720000462 U CN200720000462 U CN 200720000462U CN 201074686 Y CN201074686 Y CN 201074686Y
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- face
- main valve
- weld
- valve seat
- welding hole
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Abstract
The utility model discloses a main valve base of an electromagnetic four-way change-over valve, which comprises a welding hole which is matched and welded with a pipe connection, the welding hole is a through hole which is provided with a step, an arc surface which is provided with a bigger hole which is arranged on one side of the welding hole is a welding face, and the other face which is opposite to the welding face is a sealing face, and a step face is arranged between the welding face and the sealing face. The utility model also discloses an electromagnetic four-way change-over valve. The utility model provides a main valve base of an electromagnetic four-way change-over valve and an electromagnetic four-way change-over valve, which can avoid an internal fluid welding phenomenon of the main valve base under the premise of guaranteeing the manufacturing cost.
Description
Technical field
The utility model relates to the control valve field, particularly a kind of electromagnetism main valve of four-way reversing valve seat and electromagnetism four-way change-over valve.
Background technique
Existing electromagnetism four-way change-over valve is the important devices of heat pump type air conditioner, is applicable to central authorities, split, window air conditioner etc.The action of existing electromagnetism four-way change-over valve is under the height pressure reduction pilot valve drive formerly that utilizes in the system, thereby realizes that conversion realizes the conversion of the refrigerant flow direction.Existing electromagnetism main valve of four-way reversing valve seat mainly cooperates near closed hollow ring to change the hot and cold commutation function that refrigerant flow direction is realized air-conditioning with slide block.
The structure of existing electromagnetism main valve of four-way reversing valve seat is referring to shown in Figure 1, and existing electromagnetism main valve of four-way reversing valve seat generally has three welding holes 12 that cooperate welding with the adapter (not shown in figure 1), and each welding hole 12 all is the through hole with a step.The face that described welding hole 12 has than a side place of macropore is a face of weld 13, and the another side relative with face of weld 13 is sealing surface 11.The slide block of electromagnetism four-way change-over valve contacts with sealing surface 11, and described slide block and sealing surface 11 relative movement realize different connections of taking over.
The face of weld 13 of existing electromagnetism main valve of four-way reversing valve seat adopts the arc surface structures, because during the welding welded tube, overflow in the scolder shop, flows to sealing surface 11, the generation of fluid welding phenomenon in causing along the arc surface of face of weld 13.
Therefore, at existing electromagnetism main valve of four-way reversing valve seat, the generation of fluid welding phenomenon is the present technical issues that need to address of those skilled in the art in how avoiding.
The model utility content
The purpose of this utility model provides a kind of electromagnetism main valve of four-way reversing valve seat, the generation of fluid welding phenomenon in being used to avoid.
The purpose of this utility model also provides a kind of electromagnetism four-way change-over valve, the generation of fluid welding phenomenon in being used to avoid.
Particularly, the utility model provides a kind of electromagnetism main valve of four-way reversing valve seat, comprises and take over cooperating the welding hole that welds, and described welding hole is the through hole with a step; The arc surface that described welding hole has than a side place of macropore is a face of weld; The another side relative with face of weld is sealing surface; Between described face of weld and described sealing surface, a step surface is set.
Preferably, pass through four side transition between described face of weld and the described sealing surface; Described step surface is positioned at the plane at the minimum intersection line of described face of weld and described side place.
Preferably, also be provided with lateral retaining plate between described step surface and the described side.
Preferably, the adjacent face of described step surface and described face of weld is perpendicular to described step surface.
Preferably, described step surface parallels with described sealing surface.
Preferably, described welding hole is 3, the symmetrical arc surface that it is the center that described face of weld is specially with 3 described welding hole lines of centres.
Preferably, described step surface parallels with described sealing surface.
Preferably, described welding hole is 3, the symmetrical arc surface that it is the center that described face of weld is specially with 3 described welding hole lines of centres.
Preferably, described welding hole has first diameter and second diameter, and described first diameter forms a step greater than described second diameter between described first diameter and described second diameter; Described adapter diameter is less than or equal to described first diameter.
The utility model also provides a kind of electromagnetism four-way change-over valve, comprises electromagnetism main valve of four-way reversing valve seat, and described main valve seat comprises and take over the welding hole that cooperates welding that described welding hole is the through hole with a step; The arc surface that described welding hole has than a side place of macropore is a face of weld; The another side relative with face of weld is sealing surface; Between described face of weld and described sealing surface, a step surface is set.
Because electromagnetism main valve of four-way reversing valve seat described in the utility model, between described face of weld and described sealing surface, be provided with step surface, when adapter is welded with described welding hole, scolder is distributed in the welding hole of face of weld, outwards the shop is excessive after meeting heat fusing, step surface can stop scolder and flow to sealing surface, thus the generation of fluid welding phenomenon in effectively avoiding.
Description of drawings
Fig. 1 is a prior art electromagnetism main valve of four-way reversing valve seat shaft side figure;
Fig. 2 is a kind of mode of execution shaft side figure of the utility model electromagnetism main valve of four-way reversing valve seat;
Fig. 3 is the plan view of electromagnetism main valve of four-way reversing valve seat shown in Figure 2;
Fig. 4 is the plan view of electromagnetism main valve of four-way reversing valve seat shown in Figure 2;
Fig. 5 is an A-A face sectional view shown in Figure 4;
Fig. 6 is a B-B face sectional view shown in Figure 4;
Fig. 7 is a kind of mode of execution structural drawing of the utility model electromagnetism four-way change-over valve.
Embodiment
The utility model provides a kind of electromagnetism main valve of four-way reversing valve seat, under the prerequisite that guarantees low manufacture cost, and the generation of fluid welding phenomenon in can avoiding.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
Referring to Fig. 2, this figure is a kind of mode of execution shaft side figure of the utility model electromagnetism main valve of four-way reversing valve seat.
The described electromagnetism main valve of four-way reversing valve of the utility model embodiment seat comprises the welding hole 22 that cooperates welding with adapter 3, and described welding hole 22 is for having the through hole of a step 221.The arc surface that described welding hole 22 has than a side place of macropore is a face of weld 23.The another side relative with face of weld 23 is sealing surface 21.One step surface 24 is set between described face of weld 23 and the described sealing surface 21.
Because electromagnetism main valve of four-way reversing valve seat described in the utility model, between described face of weld 23 and described sealing surface 21, be provided with step surface 24, when adapter is welded with described welding hole 22, scolder is distributed in the welding hole 22 of face of weld 23, outwards the shop is excessive after meeting heat fusing, and step surface 24 can stop scolder and flows to sealing surface 21, thus the generation of fluid welding phenomenon in effectively avoiding.
For the structure of the described electromagnetism main valve of four-way reversing valve of the utility model embodiment seat clearly is described, referring to Fig. 3 to Fig. 6.Fig. 3 is the plan view of electromagnetism main valve of four-way reversing valve seat shown in Figure 2; Fig. 4 is the plan view of electromagnetism main valve of four-way reversing valve seat shown in Figure 2; Fig. 5 is an A-A face sectional view shown in Figure 4; Fig. 6 is a B-B face sectional view shown in Figure 4.
The adjacent face of described step surface 24 and described face of weld 23 can be perpendicular to described step surface 24, also can with described step surface 24 near normal.The adjacent face of described step surface 24 and described face of weld 23 can also and described step surface 24 be angle between the 60-150 degree.
Described step surface 24 can parallel with described sealing surface 23.Described step surface 24 can also be certain included angle with described sealing surface 23, and angular range can be 0 to 30 degree.
Optimal way, described step surface 24 outsides are higher than described step surface 24 inboards, and described step surface 24 is certain included angle with described sealing surface 23, and described angular range can be 0 to 30 degree.
Referring to Fig. 6, described welding hole 22 can be 3, and described face of weld 23 can be for 3 symmetrical arc surfaces of described welding hole 22 lines of centres.
Pass through four side transition between described face of weld 23 and the described sealing surface 21.Described step surface 24 is positioned at described face of weld 23 and parallels with the plane at minimum intersection line place, described side and with described sealing surface 21; Or be the inclined-plane of an angle with described sealing surface 21.Optimal way can also be provided with the lateral retaining plate (not shown) between described step surface 24 and the above-mentioned side.This mode can stop further that scolder flows to sealing surface 21.Above-mentioned lateral retaining plate can be applied to any embodiment in the specification.Above-mentioned lateral retaining plate can by the welding or with the one-body molded setting of described main valve seat.
Described welding hole 22 can be for having the through hole of first diameter 221 and second diameter 222.Described first diameter 221 forms a step 223 greater than described second diameter 222 between described first diameter 221 and described second diameter 222; The adapter diameter that matches with described welding hole 22 is slightly less than or equals described first diameter 221.
Described welding hole 22 can also be the square through hole with a step.The cross section of the adapter that matches also is square.In order to guarantee that the welding of taking over described welding hole 22 cooperates, the described adapter cross section length of side should be slightly less than or equal described welding hole 22 and have the length of side than a side of macropore.
Described main valve seat 4 is provided with under the situation of step surface 24 between described face of weld 23 and described sealing surface 21, and multiple usage mode can be arranged.Such as determining that welding hole 2 is square or other shape etc. according to the use occasion difference.
The utility model also provides a kind of electromagnetism four-way change-over valve, under the prerequisite that guarantees low manufacture cost, can avoid the generation of the interior fluid welding phenomenon of main valve seat.
Referring to Fig. 7, this figure is a kind of mode of execution structural drawing of the utility model electromagnetism four-way change-over valve.
The utility model electromagnetism main valve of four-way reversing valve seat can adopt the machine cut processing technology to process, and also can adopt hot-forging forming technology to process.Optimal way is processed for adopting hot-forging forming technology.
The utility model electromagnetism main valve of four-way reversing valve seat adopts hot-forging forming technology to carry out course of working: adopt special-shaped copper rod blank hot-forging forming, carry out fine finishing, with main valve body 1, adapter 3 welding typings, the sealing surface 21 of main valve seat 4 carries out burnish broaching to be handled, and makes and shows roughness less than 0.8 μ again.Make between sealing surface 21 and the slide block 2a effective seal more.Owing to adopt hot-forging forming, described main valve seat is 4 high pressure resistant, Gao Re and low cold circulation impact performance are good.
The utility model electromagnetism main valve of four-way reversing valve seat utilizes forge hot processing, can change the molecular crystalline state of main valve seat, makes that the molecule combination is tight more, crystalline state is more stable.Make that main valve seat external force resistance interference performance is stronger, can satisfy the environmental conditions of main valve seat long-term existence in high pressure, high heat, low cold circulation exchange.
Have 2 piston 2c in the utility model embodiment electromagnetism four-way change-over valve, middle with leading truck 2b connection.Described 2 piston 2c, leading truck 2b and slide block 2a form piston element 2.Piston element 2 is divided into three sealings, mobilizable chamber with main valve body 1 inner chamber.By the slip of described slide block 2a on the sealing surface 21 of main valve seat 4, can change and take over 3 connected state, thereby change the flow direction of refrigeration agent, realize the hot and cold commutation function of air-conditioning.
The utility model electromagnetism four-way change-over valve is to drive the slip of slide block 2a on the sealing surface 21 of main valve seat 4 by pilot valve 7, changes the flow direction of refrigeration agent, realizes refrigeration and heats cyclic process.
The main valve seat 4 of electromagnetism four-way change-over valve described in the utility model is provided with step surface 24 between described face of weld 23 and described sealing surface 21.When taking over described welding hole 22 welding, scolder is distributed in the welding hole 22 of face of weld 23, and outwards meet behind the heat fusing shop and overflow, and step surface 24 can stop scolder and flows to sealing surface 21, thus the generation of fluid welding in effectively avoiding.
Described main valve seat 4 is provided with under the situation of step surface 24 between described face of weld 23 and described sealing surface 21, and multiple usage mode can be arranged.Such as determining that welding hole 2 is square or other shape etc. according to the use occasion difference.
Electromagnetism four-way change-over valve described in the utility model can be used any main valve seat mentioned above.
The utility model is described in detail the electromagnetism four-way change-over valve of electromagnetism main valve of four-way reversing valve seat and this main valve seat of application.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. an electromagnetism main valve of four-way reversing valve seat comprises and takes over cooperating the welding hole that welds, and described welding hole is the through hole with a step; The arc surface that described welding hole has than a side place of macropore is a face of weld; The another side relative with face of weld is sealing surface; It is characterized in that, between described face of weld and described sealing surface, a step surface is set.
2. main valve seat according to claim 1 is characterized in that, passes through four side transition between described face of weld and the described sealing surface; Described step surface is positioned at the plane at the minimum intersection line of described face of weld and described side place.
3. main valve seat according to claim 2 is characterized in that, also is provided with lateral retaining plate between described step surface and the described side.
4. according to claim 1 or 2 or 3 described main valve seats, it is characterized in that the adjacent face of described step surface and described face of weld is perpendicular to described step surface.
5. main valve seat according to claim 4 is characterized in that, described step surface parallels with described sealing surface.
6. main valve seat according to claim 5 is characterized in that, described welding hole is 3, the symmetrical arc surface that it is the center that described face of weld is specially with 3 described welding hole lines of centres.
7. according to claim 1 or 2 or 3 described main valve seats, it is characterized in that described step surface parallels with described sealing surface.
8. main valve seat according to claim 7 is characterized in that, described welding hole is 3, the symmetrical arc surface that it is the center that described face of weld is specially with 3 described welding hole lines of centres.
9. main valve seat according to claim 1 is characterized in that, described welding hole has first diameter and second diameter, and described first diameter forms a step greater than described second diameter between described first diameter and described second diameter; Described adapter diameter is less than or equal to described first diameter.
10. an electromagnetism four-way change-over valve comprises electromagnetism main valve of four-way reversing valve seat, it is characterized in that, described main valve seat comprises and take over the welding hole that cooperates welding that described welding hole is the through hole with a step; The arc surface that described welding hole has than a side place of macropore is a face of weld; The another side relative with face of weld is sealing surface; Between described face of weld and described sealing surface, a step surface is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200004629U CN201074686Y (en) | 2007-07-16 | 2007-07-16 | Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200004629U CN201074686Y (en) | 2007-07-16 | 2007-07-16 | Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074686Y true CN201074686Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200004629U Expired - Lifetime CN201074686Y (en) | 2007-07-16 | 2007-07-16 | Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074686Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052481A (en) * | 2009-10-30 | 2011-05-11 | 浙江三花制冷集团有限公司 | Four-way reversing valve and welding method for valve body component thereof |
| CN102213345A (en) * | 2010-04-08 | 2011-10-12 | 浙江三花制冷集团有限公司 | Support body and reversing valve using support body |
| CN107781455A (en) * | 2016-08-26 | 2018-03-09 | 浙江盾安禾田金属有限公司 | Switching valve |
| CN108626457A (en) * | 2017-03-20 | 2018-10-09 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN111247363A (en) * | 2018-09-28 | 2020-06-05 | 浙江盾安禾田金属有限公司 | Valve bracket and four-way valve with same |
-
2007
- 2007-07-16 CN CNU2007200004629U patent/CN201074686Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052481A (en) * | 2009-10-30 | 2011-05-11 | 浙江三花制冷集团有限公司 | Four-way reversing valve and welding method for valve body component thereof |
| CN102052481B (en) * | 2009-10-30 | 2014-03-05 | 浙江三花制冷集团有限公司 | Welding method for four-way reversing valve body |
| CN102213345A (en) * | 2010-04-08 | 2011-10-12 | 浙江三花制冷集团有限公司 | Support body and reversing valve using support body |
| CN102213345B (en) * | 2010-04-08 | 2015-07-01 | 浙江三花制冷集团有限公司 | Support body and reversing valve using support body |
| CN107781455A (en) * | 2016-08-26 | 2018-03-09 | 浙江盾安禾田金属有限公司 | Switching valve |
| CN108626457A (en) * | 2017-03-20 | 2018-10-09 | 浙江三花制冷集团有限公司 | A kind of reversal valve and preparation method thereof |
| CN111247363A (en) * | 2018-09-28 | 2020-06-05 | 浙江盾安禾田金属有限公司 | Valve bracket and four-way valve with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Huahai Metal Co., Ltd. Assignor: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd. Contract record no.: 2011330000381 Denomination of utility model: Main valve seat of electromagnetism four-way change valve and electromagnetism four-way change valve Granted publication date: 20080618 License type: Exclusive License Record date: 20110429 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080618 |