CN204985849U - Electric switching valve - Google Patents
Electric switching valve Download PDFInfo
- Publication number
- CN204985849U CN204985849U CN201520565055.7U CN201520565055U CN204985849U CN 204985849 U CN204985849 U CN 204985849U CN 201520565055 U CN201520565055 U CN 201520565055U CN 204985849 U CN204985849 U CN 204985849U
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- seat
- hole
- sealing seat
- switching valve
- slide block
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Abstract
The utility model provides an electric switching valve relates to refrigeration plant technical field, be the sleeve of open end including one end, the sealed end cover that is equipped with of telescopic open end, the end cover has set firmly seat kits in orientation telescopic one side on the surface, the sleeve internal rotation is equipped with a dabber, the dabber tip be equipped with with seat kits complex slider, spindle still fixed overlapping is equipped with the magnet rotor, be equipped with the switching hole that is used for switching the refrigerant flow direction on the slider, seat kits includes the disk seat and the seal receptacle of fixed coordination, and seal receptacle and slider cooperation, is equipped with on the seal receptacle and goes out the drain hole that the liquid hole communicates, is equipped with the location structure who mutually supports between seal receptacle and the disk seat. The utility model provides an electric switching valve, overall structure is simple, designs into disk seat and complex seal receptacle with it with traditional integral type disk seat components of a whole that can function independently, and the back is accomplished in disk seat and end cover, feed liquor pipe and drain pipe welding, and seal receptacle and disk seat are fixed again, and seal receptacle and slider complex surface can not receive the welded to be influenced.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, particularly relates to a kind of dynamoelectric switching valve for switching refrigerant flow direction.
Background technique
In prior art, dynamoelectric switching valve for switching the circulating direction of refrigeration agent in refrigerator or air-conditioning, thus reaches the effect switching refrigerator or the different refrigerating state of air-conditioning.It is rotated by coil drive magnet rotor that dynamoelectric switching valve switches the cardinal principle of refrigerant flow direction, and while magnet rotor rotates, band movable slider rotates, and what utilize slide block and valve seat coordinates each valve port opened or closed on valve seat, realizes the switching of refrigerant flow direction.
Valve seat for sealing generally adopts powder metallurgical technique machine shaping, the surface easy out-of-flatness of shaping valve seat for sealing, and there is the defects such as pin hole simultaneously.In order to ensure the overall tightness of switching valve, need before assembling to grind the sealing surface of sealing seat, grind is large, and grinding effect is difficult to guarantee meets usage requirement.In addition, valve seat generally adopts welding manner and sleeve to assemble, and after welding, the surface that valve seat coordinates with slide block there will be oxidation to a certain degree and ablation, the sealing affected between slide block and valve seat of this kind of defect meeting high degree, and then affect refrigerant flow direction switching effect.
Model utility content
In order to solve the shortcoming and defect that above-mentioned prior art exists, before the utility model provides a kind of welding, each component processing surplus is little and the refrigeration agent circuit that circulates can be made to cut off dynamoelectric switching valve more thoroughly.
In order to reach above-mentioned technical purpose, the dynamoelectric switching valve that the utility model provides, comprise the sleeve that one end is opening end, the opening end sealing of sleeve is provided with end cap, end cap is being installed with valve component on the surface towards the side of sleeve, rotate in sleeve and be provided with a mandrel, mandrel end is provided with the slide block coordinated with valve seat, mandrel is gone back fixed cover and magnet rotor is housed; Valve component is sealedly connected with liquid inlet pipe and drain pipe, valve component is provided with the inlet opening be communicated with liquid inlet pipe and the liquid outlet opening be communicated with drain pipe; Slide block is provided with the switching hole for switching refrigerant flow direction; Valve component comprises valve seat and the sealing seat of secure fit, and sealing seat coordinates with slide block for switching refrigerant flow direction, and described sealing seat is provided with the delivery hole be communicated with liquid outlet opening; The position structure cooperatively interacted is provided with between sealing seat and valve seat.
Traditional integral type seat design is become the split-type structural that valve seat and sealing seat coordinate, sealing seat and slide block coordinate the flow direction for switching refrigeration agent.Valve seat and miscellaneous part first weld, and then sealing seat is fixed on valve seat, the harmful effect such as ablation and oxidation can not be caused to sealing seat surface during welding, be convenient to ensure sealability good between sealing seat and slide block, ensure the product qualified rate of automatic transfer valve.
The position structure cooperatively interacted is set between sealing seat and valve seat, positions when being convenient to sealing seat and valve seat installation, enhance productivity.
Preferably, described position structure comprises the locating column and positioning hole that cooperatively interact, and locating column to be arranged on sealing seat and to be positioned at the side that sealing seat coordinates with valve seat, and positioning hole is arranged on side valve seat being positioned at valve seat and coordinating with sealing seat.
Preferably, the axis of described locating column and sealing seat parallel to an axis; The axis of positioning hole and the parallel to an axis of valve seat.
The structure of position structure is simple, and locating column axially and sealing seat parallel to an axis, axially and valve seat parallel to an axis, be convenient to sealing seat and the valve seat demoulding or processing, improve production up-to-standard rate or work efficiency by positioning hole.
Preferably, described delivery hole is arranged in locating column, and described liquid outlet opening is positioning hole, and locating column inserts in liquid outlet opening and delivery hole is communicated with liquid outlet opening.
Delivery hole is located on locating column, and positioning hole and liquid outlet opening overlap and arrange, and is convenient to the structure simplifying sealing seat and valve seat, thus simplifies the mould structure of sealing seat and valve seat, improve production up-to-standard rate.
Preferably, described locating column is provided with two or more, and the quantity of positioning hole is equal with the quantity of locating column, and the quantity of liquid outlet opening is equal with the quantity of delivery hole.
The positioning hole arranging two or more locating column and respective numbers can realize the location completely between valve seat and sealing seat, delivery hole is located on locating column, locating column is inserted in positioning hole and delivery hole is communicated with liquid outlet opening, ensure the sealing of delivery hole and liquid outlet opening axis, outside seepage when effectively avoiding refrigeration agent to circulate between delivery hole and liquid outlet opening.
Preferably, described sealing seat is injection molding part.
Sealing seat adopts injection molding, and good forming effect, surface is comparatively smooth, can meet degree of finish and flatness requirement after simple grinding disposing.
Preferably, described slide block is that mirror finished stainless steel strikes out shaped piece.
Slide block adopts mirror finished stainless steel impact briquetting, and after machining, the degree of finish that can obtain through simple grinding disposing and flatness, make closely knit reliable, interior leakage between slide block and sealing seat little.
Preferably, sealer is adopted to be fixedly connected with between described sealing seat and valve seat.
Adopt sealer to fix between sealing seat and valve seat, the shape of sealing seat and surface characteristic can not be affected when fixing, are convenient to ensure to closely cooperate between sealing seat and slide block.
Preferably, described mandrel is set with by described slide block to the spring to described sealing seat.
Slide block supports to sealing seat by spring elastic force under compression all the time, improves the compaction rate of the Contact of slide block and sealing seat further, makes switching valve overall more thorough when cutting off refrigeration agent.
Preferably, the axial centre of described slide block is provided with the fixed hole coordinated with described mandrel, the sectional shape of described fixed hole is D shape, and described mandrel has the shaft part coordinated with fixed hole, and the sectional shape of described shaft part is identical with the sectional shape of fixed hole and size is identical.
Adopt odd-shaped cross section fit system between slide block and mandrel, not easily skid between slide block and mandrel, ensure switching valve working stability.
The dynamoelectric switching valve that the utility model provides, overall structure is simple, preparatory work amount before assembling is little, by the sealing seat that traditional integral type valve seat split is designed to valve seat and coordinates with it, after valve seat, end cap, liquid inlet pipe and drain pipe have welded, sealing seat and valve seat are fixed by sealer again, the impact that the surface that sealing seat and slide block coordinate can not be welded, is convenient to ensure closely knit contact between sealing seat and slide block, what refrigeration agent can be stopped when cutting off is more thorough.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model dynamoelectric switching valve embodiment;
Fig. 2 is the partial lengthwise sectional view of the utility model dynamoelectric switching valve embodiment;
Fig. 3 is the structural representation of sealing seat and valve seat in the utility model dynamoelectric switching valve embodiment;
Fig. 4 is the structural representation that in the utility model dynamoelectric switching valve embodiment, sealing seat coordinates with valve seat;
Fig. 5 is the structural representation of valve seat in the utility model dynamoelectric switching valve embodiment;
The structural representation of slide block in the utility model dynamoelectric switching valve embodiment of Fig. 6 position.
In figure, 1-sleeve, 2-end cap, 3-valve seat, 31-inlet opening, 32-liquid outlet opening, 33-mounting hole, 34-breach, 4-sealing seat, 41-delivery hole, 42-locating column, 43-through hole, 5-slide block, 51-fixed hole, 52-switches hole, 6-magnet rotor, 7-mandrel, 8-spring, 91-liquid inlet pipe, 92-drain pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in the figure, the dynamoelectric switching valve that the utility model embodiment provides, comprise the thin-walled shape sleeve 1 that one end is opening end, the opening end sealing of sleeve is provided with end cap 2, end cap is being installed with valve component on the surface towards the side of sleeve, and valve component comprises valve seat 3 and the sealing seat of secure fit, rotates and be provided with a mandrel 7 in sleeve, mandrel to be provided with sealing seat close contact for switching the slide block 5 of refrigerant flow direction, mandrel is also set with the magnet rotor 6 for rotating with moving mandrel.
Valve seat 3 is sealedly connected with liquid inlet pipe 91 and drain pipe 92, and valve seat is provided with the inlet opening 31 be communicated with liquid inlet pipe and the liquid outlet opening 32 be communicated with drain pipe, the axial centre place of valve seat is provided with the mounting hole 33 coordinated with mandrel 7 end, and one end of mandrel is rotatably installed in this mounting hole.
In the present embodiment, valve seat 3 is metallic sintered products, and valve seat 3 end surface shape is not a complete circle, and its outer wall is connected to form by the arc surface transition of two sections of different radii values.Inlet opening 31 is arranged on the marginal position place of valve seat, and inlet opening is provided with the breach 34 of spill in the side away from valve seat center, and inlet opening is communicated with liquid inlet pipe 91.Liquid outlet opening 32 is arranged on the non-axle center place of valve seat 3, and liquid outlet opening is shoulder hole, and the less side of liquid outlet opening diameter is used for the drain pipe 92 that is tightly connected.
Sealing seat 4 is provided with the delivery hole 41 be communicated with the liquid outlet opening 31 on valve seat 3, and the axial centre place of sealing seat is provided with the through hole 43 with mandrel 7 Spielpassung, and sealing seat 4 is injection molding part.
More quick in order to make to assemble between sealing seat 4 and valve seat 3, be provided with position structure between the two, this position structure comprises the locating column 42 and positioning hole that cooperatively interact.
Sealing seat 4 is provided with outward extending locating column 42 on the surface coordinated with valve seat 3, and locating column is axial and sealing seat parallel to an axis, and valve seat 3 is provided with positioning hole on the surface coordinated with sealing seat.Locating column is provided with two or more, and the quantity of positioning hole is equal with the quantity of locating column, and the quantity of delivery hole is less than or equals the quantity of locating column, and the quantity of liquid outlet opening is equal with the quantity of delivery hole.
In order to simplify the structure of sealing seat and valve seat, be arranged in by delivery hole 41 in locating column 42, liquid outlet opening 32 and positioning hole are set to one, and liquid outlet opening is positioning hole.In the present embodiment, because liquid outlet opening is shoulder hole, then the positioning hole overlapped with liquid outlet opening is also shoulder hole, and the side that diameter is larger coordinates with locating column 42, and the side that diameter is less is used for the drain pipe that is tightly connected.
The axial centre place of slide block 5 be provided with coordinate with mandrel 7 fixed hole 51, slide block be circumferentially with the switching hole 52 coordinated with delivery hole 41 for switching refrigerant flow direction, slide block 5 strikes out shaped piece for mirror finished stainless steel.
In the present embodiment, the mode that slide block and mandrel adopt irregularly-shaped hole to coordinate, the sectional shape of fixed hole 51 is D shape, and mandrel 7 has the shaft part coordinated with fixed hole, and the sectional shape of this shaft part is identical with the sectional shape of fixed hole and size is identical.
The axial centre of mandrel 7 overlaps with the axial centre of sleeve 1 and arranges, and magnet rotor 6 is in H-shaped, and magnet rotor is fixedly set on mandrel.
In the present embodiment, mandrel 7 adopts the installation form that floats to be arranged in sleeve 1, in order to make closely knit contact between slide block 5 and sealing seat 4, mandrel is set with the spring 8 that is in compressive state all the time, the two ends of spring are against respectively or are fixedly connected on sleeve closes end inwall and magnet rotor 6.
Before assembling, simple grinding disposing is carried out to sealing seat 4, especially the surface that is sealed and matched of sealing seat and slide block 5.Be sealed and matched with slide block because valve seat 3 is not used in, adopt the shaping valve seat of powder metallurgical technique can not carry out grinding disposing or only carry out simple surfaces process.Adopt mirror finished stainless steel stamping forming slide block, surface finishment and flatness higher, only can do simple surfaces process or not do surface treatment.
During assembling, first liquid inlet pipe 91, drain pipe 92, valve seat 3 and end cap 2 mode by welding is integrally fixed, then sealer is utilized to glue together fixing by sealing seat 4 and valve seat 3, locating column 42 on sealing seat and the liquid outlet opening 32 on valve seat coordinate, after having glued together, delivery hole 41 is communicated with liquid outlet opening 31.After completing the installation of mandrel 7, magnet rotor 6, slide block 5 and spring 8, utilize welding manner that end cap 2 sealing is fixed on the opening end of sleeve, arrange in the peripheral outer wall of sleeve the stator coil coordinated with magnet rotor.
When the dynamoelectric switching valve that the utility model embodiment provides is for working, refrigeration agent is flowed in the seal chamber be made up of end cap 2 and sleeve 1 by liquid inlet pipe 91, inlet opening 31, breach 34.During switching, produce magnetic field after stator coil energising, magnet rotor 6 rotates in magnetic force Xia Dai moving mandrel 7, and mandrel band movable slider 5 rotates.When slide block turn to switch hole 52 be communicated with delivery hole 41 time, the refrigeration agent in cavity by the switching hole, the delivery hole that are communicated with, flow to refrigeration line along drain pipe 92 after liquid outlet opening 32, opens the refrigeration mode of this circuit.When needing to cut off refrigeration line, stator coil leads to back current, and magnet rotor 6 is with movable slider 5 to rotate backward, and switching hole 52 and delivery hole 41 are staggered, and cuts off refrigeration agent circulation circuit.
Non-circular valve seat 3 plays position-limiting action in magnet rotor 6 rotation process simultaneously, and the ladder transition place of valve seat two sections of different radii value outer walls forms limit dais terrace.
In the first embodiment, when dynamoelectric switching valve is only for controlling the refrigeration of a circuit, locating column 42 on sealing seat 4 is provided with two, one of them locating column is provided with delivery hole 41, valve seat is provided with two positioning holes coordinated with locating column, and one of them positioning hole overlaps with liquid outlet opening 32 and arranges, and namely one of them positioning hole is shoulder hole, the less side of shoulder hole diameter is for connecting drain pipe, and the side that shoulder hole diameter is larger coordinates with locating column.
In the second embodiment, when dynamoelectric switching valve is for controlling the refrigeration of two circuits, locating column 42 on sealing seat 4 is provided with two, and two locating columns are equipped with delivery hole 41, valve seat 3 is provided with two positioning holes coordinated with locating column, and two positioning holes all overlap with liquid outlet opening 32 and arrange, and namely two positioning holes are shoulder hole, the side that shoulder hole diameter is less is all connected with drain pipe 92, and the side that shoulder hole diameter is larger coordinates with corresponding locating column.
When liquid outlet opening 32 is two, the longitudinal center line of two liquid outlet openings is equal with the spacing of valve seat longitudinal center line, and namely two liquid outlet openings are distributed in on the circle of the valve seat center same radius value that is the center of circle.Now, switching hole 52 on slide block 5 is curved, and the curved angle switching hole is identical with the angle striden across between two liquid outlet openings 32, the curved angle switching hole is less than 180 °, two liquid outlet openings so can be made simultaneously to be in turned on or off, one of them liquid outlet opening also can be made to be on state, another liquid outlet opening is in closed condition.
Certainly, in the utility model, the refrigeration agent circulation circuit that the quantity of liquid outlet opening 31, delivery hole 41, locating column 42 and the shape in switching hole 52 can control according to switching valve actual demand specifically change, and makes it meet different usage requirements.When not having delivery hole in locating column, positioning hole does not associate with liquid outlet opening; When there being delivery hole in locating column, positioning hole associates with liquid outlet opening.
In a word, the foregoing is only preferred embodiment of the present utility model, every equalization done according to the utility model changes and modifies, and all should belong to the protection domain that the utility model is applied for a patent.
Claims (10)
1. dynamoelectric switching valve, comprise the sleeve (1) that one end is opening end, the opening end sealing of sleeve is provided with end cap (2), end cap is being installed with valve component on the surface towards the side of sleeve, rotate in sleeve and be provided with a mandrel (7), mandrel end is provided with the slide block (5) coordinated with valve component, mandrel is gone back fixed cover and magnet rotor (6) is housed; Valve component is sealedly connected with liquid inlet pipe (91) and drain pipe (92), valve component is provided with the inlet opening (31) be communicated with liquid inlet pipe and the liquid outlet opening (32) be communicated with drain pipe; Slide block is provided with the switching hole (52) for switching refrigerant flow direction;
It is characterized in that, described valve component comprises valve seat (3) and the sealing seat (4) of secure fit, and sealing seat coordinates with slide block, sealing seat is provided with the delivery hole (41) be communicated with liquid outlet opening, is provided with the position structure cooperatively interacted between sealing seat and valve seat.
2. dynamoelectric switching valve according to claim 1, it is characterized in that, described position structure comprises the locating column (42) and positioning hole that cooperatively interact, it is upper and be positioned at the side that sealing seat coordinates with valve seat (3) that locating column is arranged on sealing seat (4), and positioning hole to be arranged on valve seat and to be positioned at the side that valve seat coordinates with sealing seat.
3. dynamoelectric switching valve according to claim 2, is characterized in that, the axis of described locating column (42) and sealing seat (4) parallel to an axis; The axis of positioning hole and valve seat (3) parallel to an axis.
4. dynamoelectric switching valve according to claim 3, it is characterized in that, described delivery hole (41) is arranged in locating column (42), and liquid outlet opening (32) is positioning hole, and locating column coordinates to insert in liquid outlet opening makes delivery hole be communicated with liquid outlet opening.
5. dynamoelectric switching valve according to claim 4, it is characterized in that, described locating column (42) is provided with two or more, and the quantity of positioning hole is equal with the quantity of locating column, and the quantity of liquid outlet opening (32) is equal with the quantity of delivery hole.
6. the dynamoelectric switching valve according to any one of claim 1-5, is characterized in that, described sealing seat (4) is injection molding part.
7. dynamoelectric switching valve according to claim 6, is characterized in that, described slide block (5) strikes out shaped piece for mirror finished stainless steel.
8. the dynamoelectric switching valve according to any one of claim 1-5, is characterized in that, adopts sealer to be fixedly connected with between described sealing seat (4) and valve seat (3).
9. the dynamoelectric switching valve according to any one of claim 1-5, is characterized in that, described mandrel (7) is set with by described slide block (5) to the spring to described sealing seat (4).
10. dynamoelectric switching valve according to claim 9, it is characterized in that, the axial centre of described slide block (5) is provided with the fixed hole (51) coordinated with described mandrel (7), the sectional shape of described fixed hole is D shape, described mandrel has the shaft part coordinated with described fixed hole, and the sectional shape of described shaft part is identical with the sectional shape of fixed hole and size is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565055.7U CN204985849U (en) | 2015-07-30 | 2015-07-30 | Electric switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565055.7U CN204985849U (en) | 2015-07-30 | 2015-07-30 | Electric switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985849U true CN204985849U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565055.7U Active CN204985849U (en) | 2015-07-30 | 2015-07-30 | Electric switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985849U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099379A1 (en) * | 2016-12-01 | 2018-06-07 | 杭州三花研究院有限公司 | Flow control device, and control system and control method therefor |
| CN108799534A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799533A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799528A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799557A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110030405A (en) * | 2018-01-11 | 2019-07-19 | 浙江三花智能控制股份有限公司 | Valve gear |
| WO2020029830A1 (en) * | 2018-08-07 | 2020-02-13 | 浙江三花智能控制股份有限公司 | Electric switch valve and valve block thereof |
-
2015
- 2015-07-30 CN CN201520565055.7U patent/CN204985849U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099379A1 (en) * | 2016-12-01 | 2018-06-07 | 杭州三花研究院有限公司 | Flow control device, and control system and control method therefor |
| US11207945B2 (en) | 2016-12-01 | 2021-12-28 | Zhejiang Sanhua Intelligent Controls Co., Ltd. | Flow control device, and control system and control method therefor |
| CN108799534A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799533A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799528A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799557A (en) * | 2017-04-28 | 2018-11-13 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799534B (en) * | 2017-04-28 | 2019-09-27 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108799528B (en) * | 2017-04-28 | 2020-01-03 | 浙江三花智能控制股份有限公司 | Valve device |
| CN108799557B (en) * | 2017-04-28 | 2020-02-14 | 浙江三花智能控制股份有限公司 | Valve device |
| CN108799533B (en) * | 2017-04-28 | 2020-02-14 | 浙江三花智能控制股份有限公司 | Valve device |
| CN110030405A (en) * | 2018-01-11 | 2019-07-19 | 浙江三花智能控制股份有限公司 | Valve gear |
| WO2020029830A1 (en) * | 2018-08-07 | 2020-02-13 | 浙江三花智能控制股份有限公司 | Electric switch valve and valve block thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |