CN103016791B - Electric switching valve - Google Patents
Electric switching valve Download PDFInfo
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- CN103016791B CN103016791B CN201210588043.7A CN201210588043A CN103016791B CN 103016791 B CN103016791 B CN 103016791B CN 201210588043 A CN201210588043 A CN 201210588043A CN 103016791 B CN103016791 B CN 103016791B
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Abstract
The invention discloses an electric switching valve which comprises a valve body, a stator part and an installation bracket. The valve body comprises a valve shell, a motor rotor, a slide block, a slide plate and a valve seat assembly. The valve seat assembly comprises a valve seat and an inlet pipe A, three outlet pipes B, C and D. The slide plate is provided with a liquid inlet hole a, and three liquid outlet holes b, c and d. The liquid inlet hole a is aligned with the liquid inlet hole A on the valve seat, and the three liquid outlet holes b, c and d are aligned with the three liquid outlet holes B, C and D. The slide block is provided with three flow grooves, and when the motor rotor rotates, the slide block is driven to rotate. In the rotary process of the slide block, the three flow grooves can be respectively communicated with one liquid inlet hole a and the three liquid outlet holes b, c and d, so that various working states can be realized. The electric switching valve has the beneficial effects that the processing difficulty of the slide plate is solved and the process of product is improved, so that the valve is appropriate for batch production. The difficulty of poor interchangeability of the electric switching valve is solved. The electric switching valve has various working states, so that different manufacturers can realize different control requirements just by adjusting a driving program.
Description
Technical field
The invention belongs to refrigeration technology, specifically refrigeration, freezing, heterothermic refrigerator dynamoelectric switching valve.
Background technique
Chinese patent CN100478596C, CN101275678B, CN101270826B, CN101230928B, CN100478596C discloses several dynamoelectric switching valves, they are all by rotating with stator component drive motor rotor, rotor band movable slider rotates, and slide block relatively rotates with slide plate, is provided with groove or hole or groove on slide block, when this groove or hole or groove are aimed at the valve port on slide plate, be connected to outer pipe on this hole with regard to conducting.Umber of pulse by control inputs stator component is controlled slide block and is rotated, and realizes the inlet tube that is welded on slide plate and the break-make of two or more outer pipes and switches.
Above-mentioned dynamoelectric switching valve is all to adopt copper pipe to be directly welded on slide plate, and welding easily causes slide plate distortion, make between slide block and slide plate sealing poor, and slide plate processing technology is complicated, is unfavorable for batch production and controls product reject ratio.The mortor operated valve of the type is wide in variety in addition, and each valve only has four kinds of working staties, and interchangeability is poor.
Summary of the invention
The deficiency existing for above-mentioned dynamoelectric switching valve, the object of the invention is to having refrigeration, and refrigerator freezing, alternating temperature function provides high-performance, high energy saving, and simple in structure, reliability is high, and interchangeability is good, and cost is low, is applicable to the dynamoelectric switching valve of batch production.
To achieve these goals, the present invention is by the following technical solutions:
Dynamoelectric switching valve, comprising: valve body, stator component and mounting bracket, and described stator component and mounting bracket are sleeved on described valve body, and described mounting bracket and described stator component are fixed together; It is characterized in that,
Described valve body comprises valve casing, rotor, slide block, slide plate and valve component;
Described valve component comprises a valve seat and inlet tube A, three outer pipe B, C, D; On described valve seat, offer an inlet opening A, three liquid outlet opening B, C, D, wherein one end of inlet tube A is fixed in described inlet opening A, one end of three outer pipe B, C, D is separately fixed in described three liquid outlet opening B, C, D, is provided with plane on described valve seat;
The bottom of described valve casing is fixed on described valve seat;
Described slide plate rivet clasp in described valve casing and be positioned at described valve seat upper plane above, this slide plate has sealing surface and lower sealing surface on one, the upper plane of the lower sealing surface of slide plate and described valve seat complements each other to form sealing; On this slide plate, offer an inlet opening a, three liquid outlet opening b, c, d, inlet opening a aims at the inlet opening A on valve seat, and three liquid outlet opening b, c, d aim at respectively liquid outlet opening B, C, the D on valve seat;
Described slide block is arranged on rotationally in described valve casing and is positioned at the top of described slide plate, and this slide block has a lower sealing surface, and the upper sealing surface on the lower sealing surface on slide block and described slide plate is bonded to each other; In the lower sealing surface of described slide block, along circumferentially spaced apart, be provided with three fluid grooves,
Described rotor is installed in rotation in described valve casing and is connected with described slide block, when rotor rotates, drives described slide block to rotate;
In described slide block rotation process, three fluid grooves can be communicated with respectively with an inlet opening a, three liquid outlet opening b, c, d on described slide plate, can be achieved as follows eight kinds of working staties:
The first working position, inlet tube A and outer pipe B, C, D lead to;
The second working position, inlet tube A and outer pipe C conducting, but and between outer pipe B, D, close and outer pipe B, D between also close;
The 3rd working position, conducting between inlet tube A and outer pipe B, but and between outer pipe C, D, close and outer pipe C, D between also close;
The 4th working position, inlet tube A and outer pipe C, D conducting, but and close between outer pipe B;
The 5th working position, inlet tube A and outer pipe D conducting, but and between outer pipe B, C, close and outer pipe B, C between also close;
The 6th working position, inlet tube A and outer pipe B, C conducting, but and close between export mouth pipe D;
The 7th working position, inlet tube A and outer pipe B, D conducting, and close between outer pipe C;
The 8th working position, inlet tube A and outer pipe B, C, D are also obstructed between obstructed and outer pipe B, C, D;
Above order arranges or discontinuous setting continuously, but described the first working position is corresponding with initial position of rotor; The position of slide block spout or the position of rotor stop surface can be changed in addition and certain several working position of eight working positions above can be only used.
On described valve seat, also offer a lower locating column hole, on this slide plate, also offer locating column hole on, in lower locating column hole on upper locating column hole on described slide plate and described valve seat, be inserted with a locating column, in the bottom of described rotor, be provided with a stop ledge, described stop ledge has two stop surfaces, the rotation angle of rotor described in two stop surfaces and described locating column engagement limits.
Between the upper plane of described valve seat and the lower sealing surface of described slide plate, be provided with a sealing rubber pad, valve seat, sealing rubber pad and slide plate press and are integral, on described sealing rubber pad, offer a feed liquor via a ', three fluid via b ', c ', d ' and an interfix post hole, described locating column is through described interfix post hole, by the inlet opening a on slide plate feed liquor via a ' aligning Suo Shu and the inlet opening A on valve seat and by them, be communicated with, liquid outlet opening b on slide plate described in fluid via b ' aligning and the liquid outlet opening B on valve seat are also communicated with them, liquid outlet opening c on slide plate described in fluid via c ' aligning and the liquid outlet opening C on valve seat are also communicated with them, liquid outlet opening d on slide plate described in fluid via d ' aligning and the liquid outlet opening D on valve seat are also communicated with them.
Three fluid grooves in the lower sealing surface of described slide block are sector structure, and the arc length of one of them fluid groove is greater than the arc length of all the other two fluid grooves.
On described mounting bracket, offer a large through-hole and a small through hole; The other end of outer pipe C is through the small through hole on described mounting bracket, and the other end of inlet tube A and outer pipe B, D is through the large through-hole on described mounting bracket.
Upper end cover at described positioning guide column has a buffer cap, the rotation angle of rotor described in two stop surface engagement limits in described buffer cap and described stop ledge.
On described slide plate, also offer a center hole, on described slide block, also offer center hole; On the middle fixing part of the multi-pole magnet-ring of described rotor, be fixed with a rotating shaft, described rotating shaft upper end withstands at the bottom of the shell of described valve casing by axle sleeve on, described rotating shaft lower end is inserted in the center hole on described slide plate after through the center hole on described slide.
Described valve body comprises a spring, and described spring housing, in described rotating shaft and between the middle fixing part and described slide of described rotor, withstands on the lower sealing surface of described slide block on the upper sealing surface of described slide plate.
Bottom at described rotor is also provided with a rotor key, is also provided with a slide block keyway on described slide block, and described rotor key is inserted in the slide block keyway on described slide block, when rotor rotates, drives described slide block to rotate.
The upper-lower seal face of described slide plate adopts abrasive process processing.
The invention has the beneficial effects as follows:
Solved a processing difficult problem for slide plate, improved the manufacturability of product, made this valve be applicable to batch production.
Solved the poor difficult problem of dynamoelectric switching valve interchangeability, the present invention has multiple working state, and different manufacturers only needs to adjust driver just can realize different control requirements.
Accompanying drawing explanation
Fig. 1 is the axial sectional structure schematic diagram of dynamoelectric switching valve of the present invention.
Fig. 2 is the axial sectional structure schematic diagram of valve body of the present invention.
Fig. 3 is the worm's eye view of Fig. 2.
Fig. 4 is slide carriage structure schematic diagram of the present invention.
Fig. 5 is gasket structure schematic diagram of the present invention.
Fig. 6 is that skateboard-axis of the present invention is to sectional structure schematic diagram.
Fig. 7 is the worm's eye view of Fig. 6.
Fig. 8 is the plan view of Fig. 6.
Fig. 9 is the axial sectional structure schematic diagram of slide block of the present invention.
Figure 10 is the worm's eye view of Fig. 9.
Figure 11 is the axial cross-sectional schematic of rotor of the present invention.
Figure 12 is the worm's eye view of Figure 11.
Figure 13 is mounting support structure schematic diagram of the present invention.
Figure 14 is that dynamoelectric switching valve of the present invention is applying different pulse number to stator, the schematic diagram of 8 kinds of on states of inlet tube and three outer pipes.
Figure 15 is that dynamoelectric switching valve of the present invention is applying different pulse number to stator, another schematic diagram of 7 kinds of on states of inlet tube and three outer pipes.
Figure 16 is that dynamoelectric switching valve of the present invention is applying different pulse number to stator, another schematic diagram of 7 kinds of on states of inlet tube and three outer pipes.
In figure: 1-valve body; 2-stator component; 3-mounting bracket; 2a-metal boss; 11-valve casing; 12-axle sleeve; 13-rotor; 14-spring; 15-slide block; 16-cushion pad; 17-slide plate; 18-locating column; 19-sealing gasket; 131-rotating shaft; 132-multi-pole magnet-ring; ; 191-valve component; 1911-inlet tube A; 1912-outer pipe B; 1913-outer pipe C; 1914-outer pipe D; 1915-valve seat; 1915a-inlet opening A; 1915b-liquid outlet opening B; 1915c-liquid outlet opening C; 1915d-liquid outlet opening D; 1915e-lower locating column hole; 1915f-upper plane; 19a-feed liquor via a '; 19b-fluid via b '; 19c-fluid via c '; 19d-fluid via d '; 19e-interfix post hole; 17a-inlet opening a; 17b-liquid outlet opening b; 17c-liquid outlet opening c; 17d-liquid outlet opening d; 17e-lower locating column hole; 17f-center hole; 17g-upper sealing surface, 17h-lower sealing surface; 171-valve port D; 172-valve port C; 173-valve port B; 15a-spout; 15b-spout; 15c-spout; 15d-slide block keyway; 15e-center hole; 15f-lower sealing surface; 15g-spring groove; 132a-rotor key; 132b-rotor the second stop surface; 132c-rotor the first stop surface; 132d-middle fixing part; Spindle nose in the 131a-rotating shaft of 133-stop ledge; Spindle nose under 131b-rotating shaft; 3a-mounting bracket riveted joint position; 3b-large through-hole; 3c-small through hole.
Embodiment
Below in conjunction with Figure of description, the present invention is described in further details.
As shown in Figure 1, dynamoelectric switching valve of the present invention consists of three parts: valve body 1, stator component 2, mounting bracket 3.
As shown in figure 13, on mounting bracket 3, be provided with three mounting bracket riveted joint position 3a, large through-hole 3b, a small through hole 3c.
In conjunction with Fig. 1 and Figure 13, valve body 1 is connected with three mounting bracket riveted joint position 3a rivetings on mounting bracket 3 by three metal boss 2a on stator component 2 with stator component 2, wherein the outer pipe C1914 in valve body 1 is through the small through hole 3c on mounting bracket 3, and inlet tube A1911, outer pipe B1912, outer pipe D1913 are together through the large through-hole 3b on mounting bracket 3.
As shown in Figures 2 and 3, valve body 1 is that the tubular structure parts with shoulder, axle sleeve 12, rotor 13, spring 14, slide block 15, cushion pad 16, slide plate 17, locating column 18, the sealing gasket 19 consisting of valve component 191 and valve casing 11 forms.
Valve component 191 is welded by valve seat 1915, inlet tube A1911, outer pipe B1912, outer pipe C1914, outer pipe D1913;
The tubular construction that valve casing 11 is bottom opening, the bottom of this valve casing 11 is fixed on valve seat 11.
As shown in Figure 4, on valve seat 1915, be equipped with inlet opening A1915a, liquid outlet opening B1915b, liquid outlet opening C1915c, liquid outlet opening D1915d, locating column hole 1915e, upper plane 1915f;
As shown in Figure 5, on sealing gasket 19, be equipped with feed liquor via a ' 19a, fluid via b ' 19b, fluid via c ' 19c, fluid via d ' 19d, interfix post hole 19e;
As shown in Figure 6 to 8, on slide plate 17, be equipped with inlet opening a17a, liquid outlet opening b17b, liquid outlet opening c17c, liquid outlet opening d17d, upper locating column hole 17e, center hole 17f, upper sealing surface 17g, lower sealing surface 17h.Liquid outlet opening b17b and upper sealing surface 17g form valve port B171, liquid outlet opening c17c and upper sealing surface 17g forms valve port C172, liquid outlet opening d17d and upper sealing surface 17g forms valve port D173.
As shown in Figure 9 and Figure 10, be equipped with lower sealing surface 15f on slide block 15, on lower sealing surface 15f, along circumferential spaced apart three spout 15a, 15b, the 15c of being provided with, wherein the arc length of spout 15b is greater than the arc length of spout 15a, 15c.Separately on slide block 15, be equipped with center hole 15e, slide block keyway 15d, spring groove 15g.
As shown in Figure 11 and Figure 12, rotor 13 is by rotating shaft 131 and multi-pole magnet-ring 132 molding and forming, and it is upper that rotating shaft 131 is fixed on the middle fixing part 132d of multi-pole magnet-ring 132, is equipped with in rotating shaft spindle nose 131b under spindle nose 131a and rotating shaft in rotating shaft 131; On multi-pole magnet-ring 132, be equipped with rotor key 132a and stop ledge 133, the both ends of the surface of stop ledge 133 are rotor the second stop surface 132b and rotor the first stop surface 132c.
Slide plate 17 is riveted on the valve seat 1915 of valve component 191, in slide plate 17 and the centre of valve seat 1915, be equipped with sealing gasket 19, sealing gasket 19 is in compressive state, the lower plane of sealing gasket 19 and the upper plane 1915f of valve seat 1915 are fitted tightly, and the upper plane of sealing gasket 19 and the lower sealing surface 17g of slide plate 17 fit tightly.Inlet opening a17a alignment on inlet opening A1915a on valve seat 191, the feed liquor via a ' 19a on sealing gasket 19, slide plate 17; Liquid outlet opening b17b alignment on liquid outlet opening B1915b on valve seat 191, the fluid via b ' 19b on sealing gasket 19, slide plate 17; Liquid outlet opening c17c alignment on liquid outlet opening C1915c on valve seat 191, the fluid via c ' 19c on sealing gasket 19, slide plate 17; Liquid outlet opening d17d alignment on inlet opening D1915d on valve seat 191, the fluid via d ' 19d on sealing gasket 19, slide plate 17; Lower locating column hole 1915e on valve seat 191, the interfix post hole 19e on sealing gasket 19, the upper locating column hole 17e on slide plate 17 alignment;
Locating column 18 is placed in the lower locating column hole 1915e on valve seat 191, successively through the interfix post hole 19e on sealing gasket 19 and the upper locating column hole 17e on slide plate 17, and by slide plate 17, be fixed in the lower locating column hole 1915e of valve seat 191, at locating column 18, exposing cover on the top of slide plate 17 has cushion collar 16.
The rotor second stop surface 132b at cushion collar 16 and stop ledge 133 two ends on rotor 13 and rotor the first stop surface 132c coordinates to come limiting motor rotor 13 to forward scope to and starting point is controlled.
Between slide plate 17 and the top of valve casing 11, be equipped with axle sleeve 12, rotor 13, spring 14, slide block 15.
Axle sleeve 12 is enclosed within on the upper spindle nose 131a of rotating shaft 131, the groove fit at axle sleeve 12 and valve casing 11 tops, and the lower spindle nose 131b of rotating shaft 131 is placed in the center hole 17f of slide plate 17 through the center hole 15e on slide block 15.
Spring 14 is enclosed within rotating shaft 131 and between the middle fixing part 132d and slide block 15 of multi-pole magnet-ring 132, and its medi-spring 14 is inserted in the spring groove 15g on slide block 17.Slide block keyway 15d coordinates with rotor key 132a, makes slide block 17 keep synchronous with rotor 13 and rotates; Spring 14 fits tightly lower sealing surface 15f on slide block 15 and the upper sealing surface 17g on slide plate 17.
Give stator component 2 input pulse electric currents, drive motor rotor 13 rotates, when slide block 17 turns to several angle, fluid groove 15a, the 15b, the 15c that are arranged on slide block have aimed at sliding mouthful 171,172,173 on slide plate 17, inlet tube A is the outer pipe conducting of correspondence with it just, otherwise for closing, form thus an inlet passage and three outlet passages.
As shown in figure 14, to stator component 2, apply different pulse umber of pulses, can realize 8 kinds of working staties, specifically:
A, apply 0 pulse (start bit), slide block 17 rotates 45 degree with rotor 13, now between inlet tube A and outer pipe B, outer pipe C, outer pipe D, all leads to;
B, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe C, between inlet tube A and outer pipe B and outer pipe D, close and outer pipe B, outer pipe D between also close;
C, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe B, between inlet tube A and outer pipe C and outer pipe D, close and outer pipe C, outer pipe D between also close;
D, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe C and outer pipe D, closes between inlet tube A and outer pipe B;
E, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe D, between inlet tube A and outer pipe B and outer pipe C, close and outer pipe B, outer pipe C between also close;
F, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B and outer pipe C, closes between inlet tube A and outer pipe D;
G, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B and outer pipe D, closes between inlet tube A and outer pipe C.
H, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now inlet tube A and outer pipe B, outer pipe C, contract fully and outer pipe B, outer pipe C between outer pipe D are also obstructed between outer pipe D.
The working state figure of Figure 15 other two kinds of dynamoelectric switching valves that for a change position of three fluid grooves is derived on slide block 17, has mainly increased inlet tube A and three outer pipe B, C, D all-pass state.
A, apply 0 pulse (start bit), conducting between inlet tube A and outer pipe C, closes between inlet tube A and outer pipe B and outer pipe D;
B, apply 12 pulses, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B, closes between inlet tube A and outer pipe C and outer pipe D while also close between outer pipe C, outer pipe D;
C, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe C and outer pipe D, closes between inlet tube A and outer pipe B;
D, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe D, inlet tube A and outer pipe B and outer pipe C close before and outer pipe B and outer pipe C between also close;
D, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B and outer pipe C, closes between inlet tube A and outer pipe D;
E, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B and outer pipe D, closes between inlet tube A and outer pipe C;
F, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now inlet tube A and outer pipe B, and contract fully and outer pipe B between outer pipe C and outer pipe D, also close between outer pipe C and outer pipe D.
The working state figure of Figure 16 other two kinds of dynamoelectric switching valves that for a change slide block keyway 15d and rotor the second stop surface 13b position are derived, applies different pulse umber of pulses to stator module, can realize 7 kinds of working staties, specifically:
A, apply 0 pulse (start bit), slide block 17 rotates 45 degree with rotor 13, now between inlet tube A and outer pipe B, outer pipe C, outer pipe D, all leads to;
B, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe C, between inlet tube A and outer pipe B and outer pipe D, close and outer pipe B and outer pipe D between also close;
C, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe B, between inlet tube A and outer pipe C and outer pipe D, close and outer pipe C and outer pipe D between also close;
D, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe C and outer pipe D, closes between inlet tube A and outer pipe B;
E, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, now conducting between inlet tube A and outer pipe D, between inlet tube A and outer pipe B and outer pipe C, close and outer pipe B and outer pipe C between also close;
F, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now conducting between inlet tube A and outer pipe B and outer pipe C, closes between inlet tube A and outer pipe D;
G, apply 12 pulses again, slide block 17 rotates 45 degree with rotor 13, and now inlet tube A and outer pipe B and outer pipe D, close between outer pipe C.
Structure by the invention described above arranges, the invention solves former copper pipe is directly welded on slide plate, welding easily causes slide plate distortion, make between slide block and slide plate sealing poor, slide plate processing technology complexity is unfavorable for batch production and controls the problems such as product reject ratio, and have seven kinds of working staties, can realize multiple programs and control, interchangeability is good.
Claims (10)
1. dynamoelectric switching valve, comprising: valve body, stator component and mounting bracket, and described stator component and mounting bracket are sleeved on described valve body, and described mounting bracket and described stator component are fixed together; It is characterized in that,
Described valve body comprises valve casing, rotor, slide block, slide plate and valve component;
Described valve component comprises a valve seat and inlet tube A, three outer pipe B, C, D; On described valve seat, offer an inlet opening A, three liquid outlet opening B, C, D, wherein one end of inlet tube A is fixed in described inlet opening A, one end of three outer pipe B, C, D is separately fixed in described three liquid outlet opening B, C, D, is provided with plane on described valve seat;
The bottom of described valve casing is fixed on described valve seat;
On valve seat in the upper plane of the valve seat in the valve casing described in described slide plate is placed in and described in being positioned at and described in being fixed on, this slide plate has sealing surface and lower sealing surface on one, and the upper plane of the lower sealing surface of slide plate and described valve seat complements each other to form sealing; On this slide plate, offer an inlet opening a, three liquid outlet opening b, c, d, inlet opening a aims at the inlet opening A on valve seat, and three liquid outlet opening b, c, d aim at respectively liquid outlet opening B, C, the D on valve seat;
Described slide block is arranged on rotationally in described valve casing and is positioned at the top of described slide plate, and this slide block has a lower sealing surface, and the upper sealing surface on the lower sealing surface on slide block and described slide plate is bonded to each other; In the lower sealing surface of described slide block, along circumferentially spaced apart, be provided with three fluid grooves,
Described rotor is installed in rotation in described valve casing and is connected with described slide block, when rotor rotates, drives described slide block to rotate;
In described slide block rotation process, three fluid grooves can be communicated with respectively with an inlet opening a, three liquid outlet opening b, c, d on described slide plate, can be achieved as follows eight kinds of working staties:
The first working position, inlet tube A and outer pipe B, C, D lead to;
The second working position, inlet tube A and outer pipe C conducting, but and between outer pipe B, D, close and outer pipe B, D between also close;
The 3rd working position, conducting between inlet tube A and outer pipe B, but and between outer pipe C, D, close and outer pipe C, D between also close;
The 4th working position, inlet tube A and outer pipe C, D conducting, but and close between outer pipe B;
The 5th working position, inlet tube A and outer pipe D conducting, but and between outer pipe B, C, close and outer pipe B, C between also close;
The 6th working position, inlet tube A and outer pipe B, C conducting, but and close between export mouth pipe D;
The 7th working position, inlet tube A and outer pipe B, D conducting, and close between outer pipe C;
The 8th working position, inlet tube A and outer pipe B, C, D are also obstructed between obstructed and outer pipe B, C, D;
Above order arranges or discontinuous setting continuously, but described the first working position is corresponding with initial position of rotor; The position of slide block spout or the position of rotor stop surface can be changed in addition and certain several working position of eight working positions above can be only used.
2. dynamoelectric switching valve as claimed in claim 1, it is characterized in that, on described valve seat, also offer a lower locating column hole, on this slide plate, also offer locating column hole on, in lower locating column hole on upper locating column hole on described slide plate and described valve seat, be inserted with a locating column, in the bottom of described rotor, be provided with a stop ledge, described stop ledge has two stop surfaces, the rotation angle of rotor described in two stop surfaces and described locating column engagement limits.
3. dynamoelectric switching valve as claimed in claim 1 or 2, it is characterized in that, between the upper plane of described valve seat and the lower sealing surface of described slide plate, be provided with a sealing rubber pad, valve seat, sealing rubber pad and slide plate press and are integral, on described sealing rubber pad, offer a feed liquor via a ', three fluid via b ', c ', d ' and an interfix post hole, described locating column is through described interfix post hole, by the inlet opening a on slide plate feed liquor via a ' aligning Suo Shu and the inlet opening A on valve seat and by them, be communicated with, liquid outlet opening b on slide plate described in fluid via b ' aligning and the liquid outlet opening B on valve seat are also communicated with them, liquid outlet opening c on slide plate described in fluid via c ' aligning and the liquid outlet opening C on valve seat are also communicated with them, liquid outlet opening d on slide plate described in fluid via d ' aligning and the liquid outlet opening D on valve seat are also communicated with them.
4. dynamoelectric switching valve as claimed in claim 3, is characterized in that, three fluid grooves in the lower sealing surface of described slide block are sector structure, and the arc length of one of them fluid groove is greater than the arc length of all the other two fluid grooves.
5. dynamoelectric switching valve as claimed in claim 3, is characterized in that, offers a large through-hole and a small through hole on described mounting bracket; The other end of outer pipe C is through the small through hole on described mounting bracket, and the other end of inlet tube A and outer pipe B, D is through the large through-hole on described mounting bracket.
6. dynamoelectric switching valve as claimed in claim 5, is characterized in that, at the upper end cover of described positioning guide column, has a buffer cap, the rotation angle of rotor described in two stop surface engagement limits in described buffer cap and described stop ledge.
7. dynamoelectric switching valve as claimed in claim 3, is characterized in that, also offers a center hole on described slide plate, also offers center hole on described slide block; On the middle fixing part of the multi-pole magnet-ring of described rotor, be fixed with a rotating shaft, described rotating shaft upper end withstands at the bottom of the shell of described valve casing by axle sleeve on, described rotating shaft lower end is inserted in the center hole on described slide plate after through the center hole on described slide block.
8. dynamoelectric switching valve as claimed in claim 7, it is characterized in that, described valve body comprises a spring, described spring housing, in described rotating shaft and between the middle fixing part and described slide block of described rotor, withstands on the lower sealing surface of described slide block on the upper sealing surface of described slide plate.
9. dynamoelectric switching valve as claimed in claim 3, it is characterized in that, bottom at described rotor is also provided with a rotor key, on described slide block, be also provided with a slide block keyway, described rotor key is inserted in the slide block keyway on described slide block, when rotor rotates, drive described slide block to rotate.
10. dynamoelectric switching valve as claimed in claim 3, is characterized in that, the upper-lower seal face of described slide plate adopts abrasive process processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588043.7A CN103016791B (en) | 2012-12-30 | 2012-12-30 | Electric switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588043.7A CN103016791B (en) | 2012-12-30 | 2012-12-30 | Electric switching valve |
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| Publication Number | Publication Date |
|---|---|
| CN103016791A CN103016791A (en) | 2013-04-03 |
| CN103016791B true CN103016791B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210588043.7A Active CN103016791B (en) | 2012-12-30 | 2012-12-30 | Electric switching valve |
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| CN (1) | CN103016791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570495A (en) * | 2014-10-08 | 2016-05-11 | 浙江盾安禾田金属有限公司 | Switching valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964066B (en) * | 2015-06-29 | 2017-07-07 | 上海康源电气有限公司 | Dynamoelectric switching valve with deceleration device and the refrigerator system using the dynamoelectric switching valve |
| CN108799533B (en) * | 2017-04-28 | 2020-02-14 | 浙江三花智能控制股份有限公司 | Valve device |
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| CN112576797B (en) * | 2019-09-30 | 2024-04-16 | 浙江三花智能控制股份有限公司 | Electric valve |
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Cited By (2)
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| CN105570495B (en) * | 2014-10-08 | 2019-03-19 | 浙江盾安禾田金属有限公司 | Switching valve |
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| Publication number | Publication date |
|---|---|
| CN103016791A (en) | 2013-04-03 |
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