CN205118325U - Electromagnetic four -way reversing valve - Google Patents
Electromagnetic four -way reversing valve Download PDFInfo
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- CN205118325U CN205118325U CN201520883602.6U CN201520883602U CN205118325U CN 205118325 U CN205118325 U CN 205118325U CN 201520883602 U CN201520883602 U CN 201520883602U CN 205118325 U CN205118325 U CN 205118325U
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Abstract
The utility model provides an electromagnetic four -way reversing valve, including the nonrust steel valve body, two stainless steel end cover, nonrust steel valve seat and slip subassembly, blast pipe, evaporating pipe, breathing pipe and condenser pipe, stainless steel pilot valve and four stainless steel capillaries. Blast pipe, evaporating pipe, breathing pipe and condenser pipe are the compound pipe of copper steel, and the compound guan jun of each copper steel includes first body of being made by the steel material that is connected with the nonrust steel valve body and the second body of being made by the copper product. Four stainless steel capillaries respectively for the capillary that exhausts, evaporate the capillary, breathe in capillary and weeping out, the one end of four stainless steel capillaries all is connected with the stainless steel pilot valve, first body intercommunication on the other end of exhaust capillary and the blast pipe, the other end of evaporation capillary and the other end of weeping out be nonrust steel valve body intercommunication respectively, the other end of the capillary of breathing in communicates with the first body on the breathing pipe.
Description
Technical field
The utility model relates to refrigeration control field, and in particular to a kind of electromagnetism four-way change-over valve.
Background technique
Electromagnetism four-way change-over valve is as the important composition parts of chiller plant (as air-conditioning system), and its major function is used to the flow direction switching chiller plant refrigerant, thus makes the switching that chiller plant reaches refrigeration, heats.In existing electromagnetism four-way change-over valve, the outlet pipe of valve body, the connection exhaust outlet of compressor be arranged on valve body, the evaporating pipe connecting indoor heat exchanger, the sucking pipe of connection compressor air suction mouth, the condensation tube of junction chamber external heat exchanger and four capillaries all adopt copper product to make.Copper product is a kind of precious metal with good plasticity, and along with lacking gradually of this several years copper metals is uncommon, the price of copper product becomes very expensive, and this will considerably increase the cost of production of electromagnetism four-way change-over valve.
In addition, at refrigerating field, the welding of copper product extensively adopts gas brazing, and after gas brazing, the surface of product can produce oxide layer, and oxide layer can have a strong impact on the outward appearance of product.Therefore, in existing technique, also need after gas brazing to carry out pickling to product, pickling can remove the portion of oxide layer of product surface, improves product appearance.But acid cleaning process step is complicated, the surface cleanness of product is difficult to ensure, the processing of multiple operation and process, can make product collide in circular flow and mass defect.Further, acid cleaning process is very easily to environment, and the environmental consciousness day by day strengthened with society is disagreed.Therefore, how to improve the structure of electromagnetism four-way change-over valve, thus make that the processing of electromagnetism four-way change-over valve is easier, environmental protection, low cost, be those skilled in the art's issues that need special attention.
Model utility content
Existing electromagnetism four-way change-over valve cost of production is high, the problem of complex manufacturing in order to overcome for the utility model, provides that a kind of cost of production is low, the simple electromagnetism four-way change-over valve of production technology.
To achieve these goals, the utility model provides a kind of electromagnetism four-way change-over valve, comprises stainless steel body, two stainless steel end caps, stainless steel valve seat and sliding assembly, outlet pipe, evaporating pipe, sucking pipe and condensation tube, stainless steel pilot valve and four stainless steel capillaries.Two stainless steel end caps are separately positioned on the two ends of stainless steel body.Stainless steel valve seat and sliding assembly are all arranged in stainless steel body.Outlet pipe is connected with the side of stainless steel body, evaporating pipe, sucking pipe and condensation tube three are connected to the opposite side of stainless steel body in turn, outlet pipe, evaporating pipe, sucking pipe and condensation tube are Copper steel cladding pipe, and each Copper steel cladding pipe includes the first body be made up of Steel material be connected with stainless steel body and the second body be made up of copper product.Four stainless steel capillaries are respectively exhaust capillary tube, evaporation capillary tube, air-breathing capillary tube and weeping out, one end of four stainless steel capillaries is all connected with stainless steel pilot valve, the exhaust the other end of capillary tube is communicated with the first body on outlet pipe, the evaporation the other end of capillary tube is communicated with stainless steel body respectively with the other end of weeping out, and the other end of air-breathing capillary tube is communicated with the first body on sucking pipe.
In the utility model one embodiment, be once made of welded connection through furnace brazing between stainless steel body, stainless steel valve seat, outlet pipe, evaporating pipe, sucking pipe, condensation tube and four stainless steel capillaries.
In the utility model one embodiment, be welded to connect after being welded to connect or overlapping after docking between the first body and the second body in Copper steel cladding pipe.
In the utility model one embodiment, the whole liner of the second body or be all coated at the first body in Copper steel cladding pipe.
In the utility model one embodiment, the circumference of the second body is distributed with multiple through hole or groove.
In the utility model one embodiment, Copper steel cladding pipe also comprises the solder layer be formed between the first body and the second body.
In sum, compared to the prior art the electromagnetism four-way change-over valve that the utility model provides, has the following advantages:
Arrange valve body to be made up of stainless steel material, and outlet pipe, evaporating pipe, sucking pipe and condensation tube that setting is connected with stainless steel body are Copper steel cladding pipe, the first body that Copper steel cladding Guan Shangyu stainless steel body is connected also is be made up of stainless steel, this arranges the steel main material in electromagnetism four-way change-over valve all being replaced with low cost by traditional precious metal-copper, greatly reduces the cost of production of electromagnetism four-way change-over valve.Simultaneously, valve body and the first body are material of the same race, the welding procedure that furnace brazing, resistance welding etc. can be adopted when welding to be applicable to same metal welding carries out welding and the surface of weld afterwards product has good cleanliness, without the need to any subsequent cleaning processes, substantially reduce the processing technology of electromagnetism four-way change-over valve.Further, arranging four capillary tubies be connected with pilot valve is also stainless steel capillary, and this setting not only considerably reduces the cost of capillary tube, and be also same metal welding when soldering stainless steel capillary tube, welding process is simple, and welding cost is low simultaneously.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the electromagnetism four-way change-over valve that the utility model embodiment one provides.
Figure 2 shows that the enlarged diagram of Copper steel cladding pipe in Fig. 1.
Figure 3 shows that the sectional view of Copper steel cladding pipe in the electromagnetism four-way change-over valve that another embodiment of the utility model provides.
Figure 4 shows that the sectional view of Copper steel cladding pipe in the electromagnetism four-way change-over valve that the utility model embodiment two provides.
Embodiment
Embodiment one
As shown in Figure 1, the electromagnetism four-way change-over valve that the present embodiment provides comprises stainless steel body 1, two stainless steel end caps 2, stainless steel valve seat 3 and sliding assembly 4, outlet pipe D, evaporating pipe E, sucking pipe S and condensation tube C, stainless steel pilot valve 5 and four stainless steel capillaries.Two stainless steel end caps 2 are separately positioned on the two ends of stainless steel body 1.Stainless steel valve seat 3 and sliding assembly 4 are all arranged in stainless steel body 1.Outlet pipe D is connected with the side of stainless steel body 1, evaporating pipe E, sucking pipe S and condensation tube C three are connected to the opposite side of stainless steel body 1 in turn, outlet pipe D, evaporating pipe E, sucking pipe S and condensation tube C are Copper steel cladding pipe, and each Copper steel cladding pipe includes the first body 10 be made up of Steel material be connected with stainless steel body 1 and the second body 20 be made up of copper product.Four stainless steel capillaries are respectively exhaust capillary tube d, evaporation capillary tube e, air-breathing capillary tube s and weeping out c, one end of four stainless steel capillaries is all connected with stainless steel pilot valve 5, the other end of exhaust capillary tube d is communicated with the first body on outlet pipe D, the other end of evaporation capillary tube e is communicated with stainless steel body 1 respectively with the other end of weeping out c, and the other end of air-breathing capillary tube s is communicated with the first body on sucking pipe S.
In the electromagnetism four-way change-over valve that the present embodiment provides, stainless steel body, stainless steel guide valve seat, the outlet pipe with the first body be made up of stainless steel, evaporating pipe, sucking pipe, condensation tube and four stainless steel capillaries are made by the stainless steel material of low cost.Compare the copper product of traditional high cost, stainless steel material greatly reduces the manufacturing cost of electromagnetism four-way change-over valve.Further, above-mentioned parts are made by stainless steel material, when welding, the welding procedure that resistance welding or furnace brazing etc. can be adopted to be applicable to same metal welding is welded, and after welding, product surface can not produce any oxide layer, and product surface has good cleanliness, without the need to any follow-up cleaning, substantially reduce the production technology of electromagnetism four-way change-over valve, not only reduce further cost of production, it also avoid environmental pollution simultaneously.
In the present embodiment, once be made of welded connection through furnace brazing between stainless steel body 1, stainless steel valve seat 2, outlet pipe D, evaporating pipe E, sucking pipe S, condensation tube C and four stainless steel capillary, furnace brazing has very high welding efficiency, and for same material, welding condition is identical, has good welding effect.But the utility model is not limited in any way this.In other embodiment, for same metal, other welding manners such as resistance welding also can be adopted to weld.
Concrete welding step is, one end of four stainless steel capillaries is first assembled with stainless steel pilot valve 5 and after carrying out furnace brazing, the other end of four stainless steel capillaries carries out furnace brazing again together with stainless steel body 1, stainless steel valve seat 2, outlet pipe D, evaporating pipe E, sucking pipe S, condensation tube C.But the utility model is not limited in any way this.In other embodiment, a furnace brazing can be carried out again by after 5, four stainless steel capillary, stainless steel body 1, stainless steel valve seat 2, outlet pipe D, evaporating pipe E, sucking pipe S and the condensation tube C assemblings of stainless steel pilot valve.
In the refrigeration systems such as air-conditioning, parts a lot of are at present still copper parts, for ease of being connected with other copper parts, in the present embodiment, arrange outlet pipe D, evaporating pipe E, sucking pipe S, condensation tube C are Copper steel cladding pipe, each Copper steel cladding pipe includes the first body 10 and the second body 20.As depicted in figs. 1 and 2, in the present embodiment, be welded to connect after the first body 10 and the second body 20 overlap joint.But the utility model is not limited in any way this.In other embodiment, as shown in Figure 3, the first body 10 and the second body 20 are welded to connect after can docking again.
Embodiment two
The present embodiment is with embodiment one and change substantially identical, and difference is: as shown in Figure 4, each Copper steel cladding pipe include the first body 10 and the second body 20, second body 20 all in be lining in the first body 10.But the utility model is not limited in any way this.In other embodiment, according to the connection of pipeline, needing, the second body 20 can be set and be all coated at the first body 10.
In the present embodiment, Copper steel cladding pipe is set and also comprises the solder layer 30 be formed between the first body 10 and the second body 20.Solder layer 30 can increase the join strength between the first body 10 and the second body 20.
For improving the join strength of welding further, the circumference arranging the second body 20 is distributed with multiple through hole 201.But the utility model is not limited in any way this.In other embodiment, the circumference of the second body 20 can distribute multiple groove.By the circumference distribution through hole 201 at the second body 20, when the copper parts on the electromagnetism four-way change-over valve that the utility model provides and air-conditioning duct carry out gas brazing, solder infiltrates into through hole 201 and filling vias 201 along the gap between copper parts and the second pipe fitting 20.Solder in through hole 201 further enhances the join strength between the first body 10 and the second body 20.Preferably, the circumference arranging the second body 20 is evenly distributed with multiple through hole 201, but the utility model is not limited in any way this.
In sum, arrange valve body to be made up of stainless steel material, and outlet pipe, evaporating pipe, sucking pipe and condensation tube that setting is connected with stainless steel body are Copper steel cladding pipe, the first body that Copper steel cladding Guan Shangyu stainless steel body is connected also is be made up of stainless steel, this arranges the steel main material in electromagnetism four-way change-over valve all being replaced with low cost by traditional precious metal-copper, greatly reduces the cost of production of electromagnetism four-way change-over valve.Simultaneously, valve body and the first body are material of the same race, the welding procedure that furnace brazing, resistance welding etc. can be adopted when welding to be applicable to same metal welding carries out welding and the surface of weld afterwards product has good cleanliness, without the need to any subsequent cleaning processes, substantially reduce the processing technology of electromagnetism four-way change-over valve.Further, arranging four capillary tubies be connected with pilot valve is also stainless steel capillary, and this setting not only considerably reduces the cost of capillary tube, and be also same metal welding when soldering stainless steel capillary tube, welding process is simple, and welding cost is low simultaneously.
Although the utility model discloses as above by preferred embodiment; but and be not used to limit the utility model; anyly know this those skilled in the art; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (6)
1. an electromagnetism four-way change-over valve, is characterized in that, comprising:
Stainless steel body;
Two stainless steel end caps, are separately positioned on the two ends of stainless steel body;
Stainless steel valve seat and sliding assembly, be all arranged in stainless steel body;
Outlet pipe, evaporating pipe, sucking pipe and condensation tube, outlet pipe is connected with the side of stainless steel body, evaporating pipe, sucking pipe and condensation tube three are connected to the opposite side of stainless steel body in turn, described outlet pipe, evaporating pipe, sucking pipe and condensation tube are Copper steel cladding pipe, and each Copper steel cladding pipe includes the first body be made up of Steel material be connected with stainless steel body and the second body be made up of copper product;
Stainless steel pilot valve; And
Four stainless steel capillaries, be respectively exhaust capillary tube, evaporation capillary tube, air-breathing capillary tube and weeping out, one end of four stainless steel capillaries is all connected with stainless steel pilot valve, the exhaust the other end of capillary tube is communicated with the first body on outlet pipe, the evaporation the other end of capillary tube is communicated with stainless steel body respectively with the other end of weeping out, and the other end of air-breathing capillary tube is communicated with the first body on sucking pipe.
2. electromagnetism four-way change-over valve according to claim 1, is characterized in that, is once made of welded connection between described stainless steel body, stainless steel valve seat, outlet pipe, evaporating pipe, sucking pipe, condensation tube and four stainless steel capillaries through furnace brazing.
3. electromagnetism four-way change-over valve according to claim 1, is characterized in that, is welded to connect after being welded to connect or overlapping in described Copper steel cladding pipe between the first body and the second body after docking.
4. electromagnetism four-way change-over valve according to claim 1, is characterized in that, the whole liner of the second body or be all coated at described first body in described Copper steel cladding pipe.
5. electromagnetism four-way change-over valve according to claim 4, is characterized in that, the circumference of described second body is distributed with multiple through hole or groove.
6. electromagnetism four-way change-over valve according to claim 4, is characterized in that, described Copper steel cladding pipe also comprises the solder layer be formed between the first body and the second body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883602.6U CN205118325U (en) | 2015-11-06 | 2015-11-06 | Electromagnetic four -way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883602.6U CN205118325U (en) | 2015-11-06 | 2015-11-06 | Electromagnetic four -way reversing valve |
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| Publication Number | Publication Date |
|---|---|
| CN205118325U true CN205118325U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520883602.6U Active CN205118325U (en) | 2015-11-06 | 2015-11-06 | Electromagnetic four -way reversing valve |
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| CN (1) | CN205118325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504248A (en) * | 2017-05-08 | 2017-12-22 | 佛山市南海南燕实业有限公司 | A kind of electromagnetism four-way reversing valve structure |
| CN107890753A (en) * | 2017-11-28 | 2018-04-10 | 上海清如环保科技有限公司 | A kind of non-porous membrane dryer of flexible macromolecule of integrated purging unit |
| CN109954996A (en) * | 2017-12-22 | 2019-07-02 | 浙江盾安禾田金属有限公司 | A kind of joint pipe structure, four-way reversing valve and air conditioner |
-
2015
- 2015-11-06 CN CN201520883602.6U patent/CN205118325U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504248A (en) * | 2017-05-08 | 2017-12-22 | 佛山市南海南燕实业有限公司 | A kind of electromagnetism four-way reversing valve structure |
| CN107890753A (en) * | 2017-11-28 | 2018-04-10 | 上海清如环保科技有限公司 | A kind of non-porous membrane dryer of flexible macromolecule of integrated purging unit |
| CN109954996A (en) * | 2017-12-22 | 2019-07-02 | 浙江盾安禾田金属有限公司 | A kind of joint pipe structure, four-way reversing valve and air conditioner |
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