CN103375606B - Motor-driven three-way valve - Google Patents
Motor-driven three-way valve Download PDFInfo
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- CN103375606B CN103375606B CN201210125797.9A CN201210125797A CN103375606B CN 103375606 B CN103375606 B CN 103375606B CN 201210125797 A CN201210125797 A CN 201210125797A CN 103375606 B CN103375606 B CN 103375606B
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Abstract
The invention discloses a motor-driven three-way valve which comprises an input port, a plurality of output ports and a valve core. An opening of the input port is formed in the face of a valve seat, and the plurality of output ports are arranged at intervals and provided with a plurality of openings. The valve core rotates on the valve seat in a sliding mode under the driving force of a motor portion and opens and closes the plurality of output ports selectively. The motor portion serves as a separated individual and is installed on the outer side of the upper end face of a cylindrical outer cover for leading in a refrigerant. The valve seat is arranged on the opening portion at the lower end of the cylindrical outer cover. The valve core is driven by a gear device for transferring the driving force of the motor portion and arranged in the cylindrical outer cover. The cylindrical outer cover is formed by a lateral wall with a lateral opening portion and a top portion, the valve seat is arranged on the lateral opening portion, the other lateral opening portion is arranged on the top portion through the cylindrical wall portion, a casing fixed on the wall is arranged on the other lateral opening portion in an erection mode and installed on the cylindrical outer cover, and a motor is arranged in the casing. The valve avoids large-size coils, shortens occupied space, enables the shape of the valve core to be well balanced and ensures that the valve core can slide on the valve seat in the rotating direction.
Description
Technical field
In a kind of related freeze cycle being used in air-conditioning and refrigerator etc. of the present invention, carry out the electric T-shaped valve of stream switching.
Background technology
It is understood that a kind of valve, it is used generally if stepper motor is as motor, gear is set in the axle bottom of its rotor,
Valve element is made to slide on valve seat rotation by the driving force of this gear and the gear screwing togather generation of the gear driving valve element, stifled
One side of plug stream on above-mentioned valve seat for the opening is (with reference to Japanese Patent Patent document 1, i.e. Japanese Unexamined Patent Publication
No. 3-28583).In addition, it is also known that a kind of valve, as described above, by the driving force of gear, by above-mentioned valve seat
The upper valve element driving that slides controls the aperture of above-mentioned opening (with reference to Japanese Patent Patent document 2, i.e. Japanese patent gazette JP
No. 2000-346227).
Traditional above-mentioned utilization valve seat slides in the valve of valve element of rotation, because containing the outer of above-mentioned valve element and gear
The shell of cover and the inside rotor with said motor is that integration is constituted, and can produce the nonmagnetic substance forming above-mentioned shell
As thicker situation in stainless wall, above-mentioned shell is thickening, then the magnetic force property of stepper motor reduces, because motor torsional moment subtracts
Few, in order to obtain the motor torsional moment specifying, need stepper motor output power.Its result can lead to electric T-shaped valve
Maximize, when constituting freeze cycle, electric T-shaped valve can be led to occupy space enlargement.
In addition, sliding in the valve element rotating in traditional, the valve element that can easily and swimmingly slide is not accounted on valve seat
Shape.
Content of the invention
In view of the above problems, it is an object of the invention to provide a kind of electric T-shaped valve, it is to avoid coil maximizes, and realizes electronic
While three-way valve occupies reduced space, valve element shape can balance well it can be ensured that valve seat upper valve core rotation direction
Slip.
For solving above-mentioned problem technical problem, a kind of electric T-shaped valve proposed by the present invention, there is opening on the face of valve seat
Input port and certain intervals configuration multiple openings delivery outlet, rotated on above-mentioned valve seat by the driving force of motor part
The valve element sliding, above-mentioned valve element is selectively opened and closed above-mentioned multiple delivery outlet, and said motor portion is as separate individuality installation
On the outside of the upper surface of the cylindric outer housing importing coolant, the lower end that above-mentioned valve seat is arranged on above-mentioned cylindrical shape outer housing is opened
Oral area, above-mentioned valve element by the driving force transmitting said motor portion and configures the geared system driving in above-mentioned cylindrical shape outer housing,
Described cylindrical shape outer housing is made up of the side wall with side peristome and top, the peristome of described side is provided with described
Valve seat, described top is provided with opposite side peristome by cylindric wall portion, the peristome of described opposite side uprightly sets
It is equipped with and is fixed on described wall and the interior shell setting described motor, described shell is arranged on described cylindrical shape outer housing.
The electric T-shaped valve of the present invention, said motor portion is arranged on as separate individuality to be configured with and rotates on above-mentioned valve seat
Outside the above-mentioned cylindrical shape outer housing of the valve element sliding and the geared system that the driving force in said motor portion is passed to above-mentioned valve element
Side, therefore can avoid the maximization of electric T-shaped valve, realize spacial downsizing.And, formation said motor
The above-mentioned shell in portion, is arranged on above-mentioned cylindrical shape outer housing as separate individuality.And, the above-mentioned cover of above-mentioned shell is above-mentioned another
Together with the circumferential end of side is welded to above-mentioned cylindrical shape wall portion, so forming the above-mentioned shell in said motor portion securely
It is fixed on above-mentioned cylindrical shape outer housing, upright setting is arranged on the outside of above-mentioned outer housing.
In the present invention, described shell has bottom, and this bottom is fixed on another circumferential end of described shell.
In the present invention, described valve seat is provided with the spacer pin contacting with the limiting section of described valve element, described cylindric outer
It is configured with pressing plate in cover, described pressing plate is fixed on the upper end of described spacer pin, keep described spacer pin.
In the present invention, the described side wall of cylindric outer housing described in the contacts side surfaces of the side of described pressing plate.
In the present invention, described pressing plate installation settings has leaf spring, and described leaf spring contacts described valve element due to elasticity.
Compared with prior art, the invention has the characteristics that and advantage：
The present invention be a kind of selectively opening and closing valve seat on delivery outlet electric T-shaped valve, motor part with received above-mentioned by
The geared system that motor part drives and the cylindric outer housing of the valve element rotating driving by said gear device are to be separately constructed
, therefore provide a kind of electric T-shaped valve, it is to avoid constitute the maximization of the coil in said motor portion, be not result in electronic
The maximization of three-way valve, realizes spacial downsizing, correctly can selectively be opened and closed delivery outlet.
And, it is while the above-mentioned spacer pin of the present invention and above-mentioned parts of bearings are securely supported above-mentioned valve seat, above-mentioned
Pressing plate firmly holds, therefore above-mentioned spacer pin and above-mentioned parts of bearings the setting position of above-mentioned valve seat can correctly and
Maintain for a long time.Therefore, above-mentioned delivery outlet P1 and above-mentioned is selectively opened and closed by the above-mentioned valve element of above-mentioned electric T-shaped valve
The action of delivery outlet P2 stably can be carried out with no change ground, it is possible to achieve being correctly opened and closed for a long time of electric T-shaped valve.
Brief description
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is the profilograph of the electric T-shaped valve of composition of the 1st embodiment representing the present invention；
Figure 1A and Figure 1B is respectively the oblique view of support member and the profilograph of pith；
Fig. 2A and Fig. 2 B is respectively the oblique view of the connection member of pith and the profilograph of Fig. 1；
Fig. 3 A and Fig. 3 B is respectively the oblique view of pedestal part of pith and the profilograph of Fig. 1；
Fig. 4 A and Fig. 4 B is respectively the oblique view of the valve element of pith and the profilograph of Fig. 1；
Fig. 5 is the valve element of pith of the present invention and the plane graph of valve seat；
Fig. 5 A and Fig. 5 B is respectively the plane graph representing valve element action；
Fig. 6 represents the profilograph of other embodiments of the invention；
Fig. 7 represents the plane graph of the pressing plate shown in Fig. 6 embodiment；
Fig. 8 represents the oblique view of the pith of Fig. 6 embodiment；
Fig. 9 A～Fig. 9 B represents the oblique view of the pith of other embodiment.
Specific embodiment
Electric T-shaped valve 10 as shown in Figure 1 is by for example stainless drum outer housing 11 of metal material and motor part 12 structure
Become.The shell 13 of the drum that said motor portion 12 is made up of nonmagnetic material such as rustless steel, configuration are in above-mentioned shell
Rotor 14 and armature spindle 14a, the outside fitted in above-mentioned shell 13, as the fixing line of the above-mentioned rotor of stator driving 14
Circle 15 composition, said motor portion 12 is to separate with above-mentioned outer housing 11, is arranged on the outside of the above-mentioned outer housing of in figure 11
Top.
Above-mentioned cylindrical shape outer housing 11 is by the valve seat 11a of for example stainless disc-shape of metal material and above-mentioned valve seat 11a phase
To surface plate 11b that configure and for example stainless disc-shape of the metal material as upper surface, it is arranged on this valve seat 11a
Cylindrical lateral wall 11c and surface plate 11b between is constituted.
Above-mentioned cylindrical lateral wall 11c is formed by metal material such as rustless steel, its circumferential edges 11c ' and above-mentioned valve seat 11a
Circumferential end 11a ' and above-mentioned surface plate 11b circumferential end 11b ' by welding as laser welding and be fixed on above-mentioned valve seat
On 11a and above-mentioned surface plate 11b.Thus, above-mentioned outer housing 11 is formed as bubble-tight valve pocket 11d.
The above-mentioned shell 13 in said motor portion 12 is by the upper lid 13a of for example stainless disc-shape of metal material and drum
Nonmagnetic material such as stainless cover 13c composition, above-mentioned upper lid 13a central authorities are formed with recess 13b described later, on
The circumferential end 13c ' of the circumferential end 13a ' and above-mentioned cover 13c side that state lid 13a is fixed by welding such as laser welding,
Circumferential end 13c " the big footpath with the above-mentioned surface plate 11b central authorities being formed at above-mentioned outer housing 11 of above-mentioned cover 13c opposite side
Central indentation 11e section portion 11e1 contact, circumferential end 13c of above-mentioned opposite side " is arranged on the central authorities in above-mentioned big footpath
In recess 11e.And, circumferential end 13c " the above-mentioned section of portion with central indentation 11e in above-mentioned big footpath of above-mentioned opposite side
11e1 connects the central authorities that the path peristome 11e2 being formed is formed at above-mentioned surface plate 11b.
Circumferential end 13c of above-mentioned cover 13c opposite side " is welded on above-mentioned surface plate 11b by welding such as laser welding
Above-mentioned central indentation 11e on, above-mentioned cover 13c is fixed on above-mentioned surface plate 11b.
So, above-mentioned upper lid 13a and above-mentioned cover 13c forms, and the above-mentioned shell 13 being formed as airtight outer housing is uprightly arranged on
The top of above-mentioned outer housing 11, the above-mentioned shell 13 forming above-mentioned airtight outer housing is to separate with above-mentioned outer housing 11, is arranged on
State the top i.e. outside as the above-mentioned surface plate 11b of above-mentioned upper surface of outer housing 11.And, it is upper in above-mentioned shell 13
Stating rotational support on the central part of rotor 14 has armature spindle 14a, and above-mentioned rotor 14 configures in above-mentioned shell 13, above-mentioned shell
13 peripheral part is provided with the fixed coil 15 as stator, by the electromagnetic force of above-mentioned fixed coil 15, above-mentioned rotor
14 rotations, above-mentioned armature spindle 14a also unitary rotation, constitute the motor part 12 as stepper motor.And, above-mentioned fixation
It is disclosed in coil 15 patent documentation mentioned in the introduction 1 and patent documentation 2, become known features.
Above-mentioned rotor 14, while outer peripheral face is formed at drum part 14b, has and is formed at above-mentioned drum portion
The transverse axis 14c in part 14b central authorities, the central authorities of the above-mentioned transverse axis 14c of above-mentioned armature spindle 14a insertion, it is formed in by such as inserting
State on transverse axis 14c and be provided with the central part of above-mentioned armature spindle 14a.And, the upper end 14a1 of above-mentioned armature spindle 14a inserts
Enter the bearing 13f on the above-mentioned recess 13b of the upper lid 13a of the disc-shape of above-mentioned shell 13, with above-mentioned recess 13b bottom
Contact, above-mentioned recess 13b supports above-mentioned armature spindle 14a as bearing portion.The bottom of above-mentioned armature spindle 14a is by support member
While 14d supports, the lower end 14a2 of above-mentioned armature spindle 14a is supported by connection member 16.Above-mentioned support member 14d
Formed by such as rustless steel or PPS resin, as illustrated in figures ia and ib, configuration is upper for the structure of above-mentioned support member 14d
State between the above-mentioned transverse axis 14c of rotor 14 and above-mentioned connecting portion 16.I.e., as illustrated in figures ia and ib, by big footpath
Round plate 14d1, prominent it be formed at the protuberance 14d2 of this round plate 14d1 periphery, be uprightly integrally disposed upon this protuberance 14d2
Path cylindrical portion 14d3 composition.Figure 1A is the oblique view of above-mentioned support member 14d, and Figure 1B is the vertical section of Fig. 1.
In above-mentioned support member 14d of Figure 1A and Figure 1B, the through hole 14d4 insertion of the inside of above-mentioned cylindrical portion 14d3 is extremely
The central part of above-mentioned round plate 14d1, the lower end 14d6 of the upper end 14d5 of above-mentioned cylindrical portion 14d3 and above-mentioned round plate 14d1
Contact above-mentioned transverse axis 14c and the above-mentioned connection member 16 of above-mentioned rotor 14 respectively, above-mentioned support member 14d configures above-mentioned
Between the above-mentioned transverse axis 14c of rotor 14 and above-mentioned connection member 16.And, the raised part of above-mentioned support member 14d
It is configured with support spring 14d7 between the above-mentioned section of portion 11e1 of the above-mentioned surface plate 11b of 14d2 and above-mentioned outer housing 11, above-mentioned
Above-mentioned support member 14d is supported on top by support spring 14d7.The above-mentioned through hole 14d4 of above-mentioned support member 14d
On be inserted with above-mentioned armature spindle 14a, above-mentioned support member 14d as support above-mentioned armature spindle 14a bottom support tube,
Support the rotation of above-mentioned armature spindle 14a.Above-mentioned armature spindle 14a insertion through hole 14d4, the lower end of above-mentioned armature spindle 14a
14a2 is supported by above-mentioned connection member 16.That is, above-mentioned connection member 16 is formed as carrying ladder by metal material such as rustless steel
The cylindrical shape in portion, the structure of above-mentioned connection member 16 is as shown in Figure 2 A and 2 B.Fig. 2A is above-mentioned connection member 16
Oblique view, Fig. 2 B be its profilograph.As shown in Figure 2 A and 2 B, in above-mentioned connection member 16, the circle in big footpath
Post portion 16a and section portion 16b connects cylindrical portion 16c forming central diameter, and cylindrical portion 16c of above-mentioned central diameter is connected with section portion 16d,
Form cylindrical portion 16e of path, cylindrical portion 16a in above-mentioned big footpath is provided with circle with the end in the central part of plane 16a1
Hole 16a2.Above-mentioned connection member 16 connects said motor portion 13 and above-mentioned outer housing 11, and above-mentioned shell 13c is as separate individuality
It is arranged on above-mentioned outer housing 11.That is, as shown in figure 1, above-mentioned shell 13c is as the individuality separating with above-mentioned outer housing 11,
Uprightly it is arranged in above-mentioned central indentation 11e of above-mentioned surface plate 11b of above-mentioned outer housing 11, be arranged on above-mentioned outer housing 11
Outside.In FIG, the cylindrical portion 16a placing in the above-mentioned big footpath of above-mentioned connection member 16 is above-mentioned surface plate 11b's
On the above-mentioned section of portion 11e1 of above-mentioned recess 11e, and cylindrical portion 16c of above-mentioned central diameter is inserted in above-mentioned outer housing 11 with a gap
The above-mentioned peristome 11e2 of above-mentioned surface plate 11b in, cylindrical portion 16e of above-mentioned path projects configuration in above-mentioned outer housing
In above-mentioned valve pocket 11d.Having on the circular port 16a2 of bottom of cylindrical portion 16a in above-mentioned big footpath of above-mentioned connection member 16, leads to
Cross press-in and be embedded with the lower end 14a2 of above-mentioned armature spindle 14a, above-mentioned connection member 16 is rotated by above-mentioned armature spindle 14a and drives
Dynamic.On the periphery of cylindrical portion 16e of above-mentioned path, first gear 17 is embedded with by press-in.Therefore, because above-mentioned knot
Structure, above-mentioned rotor 14, above-mentioned armature spindle 14a, above-mentioned connection member 16 and above-mentioned first gear 17 are one, can
To rotate.In FIG, as the support tube of the bottom supporting above-mentioned armature spindle 14a, though being provided with configuration in above-mentioned company
Above-mentioned support member 14d of relay part 16 side, even if being not provided with above-mentioned support member 14d, undoubtedly, above-mentioned
Armature spindle 14a also can rotate.As shown in figure 1, in the above-mentioned valve pocket 11d of above-mentioned outer housing 11, being provided with and above-mentioned first
The second gear 18 of gear 17 occlusion, the 3rd gear 19 being engaged with above-mentioned second gear 18 is formed at the axle of cylindrical shape
Bearing portion part 21 is around.Above-mentioned 3rd gear 19 is formed by the gear 19a and gear 19b of two sections, and above-mentioned second
Gear 18 is engaged rotation with the gear 19a of above-mentioned epimere.Above-mentioned parts of bearings 21 passes through the two ends of above-mentioned parts of bearings 21
21a and 21b is fixed between the above-mentioned surface plate 11b of above-mentioned outer housing 11 and above-mentioned valve seat 11a.Above-mentioned parts of bearings 21
Formed by metal material such as rustless steel, be embedded in the upper shaft of above-mentioned surface plate 11b by above-mentioned two ends 21a and 21b press-in
The lower shaft hole 21b1 of hole 21a1 and above-mentioned valve seat 11a and fix.The above-mentioned hypomere gear 19b of above-mentioned 3rd gear 19 with
4th gear 20 is engaged, and above-mentioned 4th gear 20 rotates, and this rotation passes to pedestal 22.Above-mentioned pedestal 22 is by metal material
Material is formed as rustless steel, and as shown in Fig. 3 A and Fig. 3 B, above-mentioned pedestal 22 is by discoid abutment portion 22a in big footpath and upright
It is arranged on the cylindrical portion 22b composition of above-mentioned abutment portion 22a, above-mentioned cylindrical portion 22b, its internal 22b1 and same diameter
The through hole 22a2 of above-mentioned abutment portion 22a connects, and is integrally formed with above-mentioned abutment portion 22a.In addition, in above-mentioned abutment portion
On 22a, through hole 22a1 adjoins above-mentioned cylindrical portion 22b and is formed at radial direction, and above-mentioned through hole 22a1 is axis hole.On
State on the periphery of cylindrical portion 22b, by be pressed into or welding such as laser welding and be fixedly installed the 4th gear 20, above-mentioned the
The rotation of four gears 20 passes to above-mentioned pedestal 22.Fig. 3 A is the oblique view of above-mentioned pedestal 22, and Fig. 3 B is its profile.
So, by above-mentioned first gear 17, above-mentioned first gear 18, above-mentioned 3rd gear 19 and above-mentioned 4th gear 20 upper
State and in outer housing 11, constitute gear row.In the above-mentioned pedestal 22 of above-mentioned Fig. 3 A and structure shown in Fig. 3 B and above-mentioned outer housing 11
Valve element 23 is clipped between above-mentioned valve seat 11a.Above-mentioned valve element 23 is made up of metal material such as rustless steel, such as Fig. 4 A and Fig. 4 B
Shown, by the central base 23a of disc-shape and prominent and symmetrical from the lateral footpath in the periphery direction of this central base 23a
Be arranged on side flange portion 23b on above-mentioned central base 23a and another side flange portion 23c composition, above-mentioned flange part
23b and above-mentioned flange part 23c is formed as square.Fig. 4 A is the oblique view of above-mentioned valve element 23, and Fig. 4 B is from arrow R
The profile of Fig. 4 A is seen in direction.The flange part 23b of the above-mentioned side and flange part 23c of opposite side, be respectively provided with above-mentioned
Above central base 23a, 23a1 is in 23b1 and 23c3 above same plane, but the flange part 23b of above-mentioned side
Following 23b2, thickness is more thin than above-mentioned central base 23a, has depressed part 23b3, the flange part 23c of above-mentioned opposite side
It is same thickness with above-mentioned central base 23a.The flange part 23c of above-mentioned opposite side, is adjoined with above-mentioned central base 23a and sets
The recess 23c2 of jagged shape while being equipped with through hole 23c1, is abutted to form with above-mentioned through hole 23c1.As Fig. 1
Shown, insert the above-mentioned internal 22b1 of cylindrical portion 22b of above-mentioned path of above-mentioned pedestal 22 and above-mentioned abutment portion 22a
The above-mentioned through hole 23c1 of the flange part 23c of axle 24 insertion above-mentioned valve element 23 opposite side of through hole 22a2, above-mentioned axle
24 are subject in the 11f of hole to fix by being pressed into the axle of above-mentioned valve seat 11a.The abutment portion in the big footpath of the above-mentioned pedestal of insertion 22
The axle 25 of the above-mentioned through hole 22a1 of 22a, inserts the recess 23c2 of the flange part 23c of the above-mentioned opposite side of above-mentioned valve element 23,
It is arranged on above-mentioned valve seat 11a.One end 25a of above-mentioned axle 25 is slightly short and does not contact with above-mentioned valve seat 11a, meanwhile, on
The other end 25b stating axle 25 is contacted with above-mentioned 4th gear 20.By above-mentioned axle 24 and above-mentioned axle 25, above-mentioned valve element
23 are rotatably clipped between above-mentioned pedestal 22 and above-mentioned valve seat 11a.
Action below by the electric T-shaped valve of the Action Specification present invention of above-mentioned valve element 23.Fig. 5 is above-mentioned valve seat 11a
And the oblique view of above-mentioned valve element 23, omit other composition parts.In Figure 5, above-mentioned valve seat 11a is provided with opening to exist
The coolant input port P of above-mentioned valve element 23 side of above-mentioned valve seat 11a, the first delivery outlet P1 flowing out coolant and the second delivery outlet
P2.And also show in Fig. 5 the input pipe PA being formed by metal material such as copper being connected with these mouthfuls, outlet tube P1B,
And outlet tube P2B.And, as shown in figure 1, above-mentioned first delivery outlet P1 is formed as leadout hole on above-mentioned valve seat 11a
P1A, the above-mentioned outlet tube P1B being connected with above-mentioned leadout hole P1A, as shown in figure 1, above-mentioned outlet tube P1B from above-mentioned
The face of above-mentioned valve element 23 opposite side of valve seat 11a is inserted on above-mentioned valve seat 11a, and is fixed by welding in above-mentioned valve seat
On 11a.The connection of above-mentioned input pipe PA and above-mentioned input port P and the company of above-mentioned outlet tube P2B and above-mentioned delivery outlet P2
Connect, the connection with above-mentioned outlet tube P1B is equally carried out.
The electric T-shaped valve of the present invention, can arrange stopping means as needed.Pin 26A and 26B as shown in Figure 5 be
Spacer pin, is formed by metal material rustless steel, and press-in is fixed on above-mentioned valve seat 11a.
By inputing to the pulse signal of the fixed coil 15 of Fig. 1, the above-mentioned rotor 14 of stepper motor rotates necessary amounts,
Rotation transmission, the flange part 23c of the above-mentioned opposite side of above-mentioned valve element 23 and the above-mentioned pedestal 22 1 being arranged by said gear
Rise and rotate around above-mentioned axle 24 and above-mentioned axle 25, as shown in Figure 5A, make above-mentioned valve element 23 counter clockwise direction in above-mentioned valve
Slide on seat 11a and rotate.In above-mentioned counter clockwise direction, the above-mentioned central base 23a blocking of above-mentioned valve element 23 is above-mentioned defeated
Outlet P1, above-mentioned delivery outlet P1 close, and flow into the coolant of the above-mentioned valve pocket 11d of above-mentioned outer housing 11 from above-mentioned input port P
It is prevented from flowing out from above-mentioned outlet tube P1B, meanwhile, above-mentioned coolant flows out to above-mentioned outlet tube P2B from above-mentioned delivery outlet P2.
Now, the flange part 23b of above-mentioned valve element 23 side contacts above-mentioned spacer pin 26A, can effectively make above-mentioned valve element 23
Slip rotate stop.In addition, passing through above-mentioned pulse signal, above-mentioned rotor 14 rotates necessary amount, makes above-mentioned valve element 23
Clockwise direction shown in Fig. 5 B slides rotation on above-mentioned valve seat 11a, the above-mentioned central base 23a of above-mentioned valve element 23
Block above-mentioned delivery outlet P2, above-mentioned delivery outlet P2 closes, and flows into the above-mentioned valve pocket of above-mentioned outer housing 11 from above-mentioned input port P
The coolant of 11d is prevented from flowing out from above-mentioned outlet tube P2B, and meanwhile, above-mentioned coolant flows out to above-mentioned from above-mentioned delivery outlet P1
Outlet tube P1B.And, above-mentioned spacer pin 26B is contacted by the flange part 23b of above-mentioned valve element 23 side, can be practical
Make above-mentioned valve element 23 slip rotate stop.Therefore, by above-mentioned spacer pin 26A and 26B, above-mentioned valve element 23 can be just
Really block above-mentioned delivery outlet P1 and delivery outlet P2.Fig. 5 A and Fig. 5 B is the plane graph of Fig. 5.Above-mentioned valve element 23 is by upper
The flange part 23c stating central base 23a, the flange part 23b of side and opposite side is constituted, can be by the flange of above-mentioned side
While portion 23b is as limiting section, using the flange part 23c of above-mentioned opposite side as around above-mentioned axle 24 and above-mentioned axle 25
Rotate rotation section, and above-mentioned central base 23a can as block above-mentioned delivery outlet P1 and P2 valve portion, therefore,
The swimmingly slip rotation clockwise or counterclockwise in the state of keeping equilibrium configuration of above-mentioned valve element 23 can be realized.
So, provide a kind of pass through above-mentioned valve element 23, correctly can selectively be opened and closed above-mentioned delivery outlet P1 and above-mentioned defeated
The electric T-shaped valve of outlet P2.
And, the above-mentioned shell 13c of the present invention is arranged on its of the electric T-shaped valve 10 of above-mentioned outer housing 11 as separate individuality
His embodiment is as shown in Figure 6.
That is, Fig. 6 is the profilograph of the structure of other embodiment of the present invention.In Fig. 6, with Fig. 1 same section or right
Answer part, put on and Fig. 1 identical reference, omit the description.
In Fig. 6, the armature spindle 14a ' of above-mentioned rotor 14 is longer than the above-mentioned armature spindle 14a of Fig. 1, above-mentioned armature spindle
14a ' insertion is fixed on the center of cylindric support member 14a1 such as being formed by sintered magnet.Then, above-mentioned cylinder
Shape support member 14a1 configures the center of the above-mentioned cylinder-like part 14b in above-mentioned rotor 14, is penetrated by resin such as PPS
Go out to shape and be fixed on above-mentioned cylinder-like part 14b, constitute above-mentioned rotor 14.Reference 14a2 in above-mentioned rotor 14
Represent the injection molding portion of above-mentioned resin.And, the upper end 14a ' 1 of armature spindle 14a ' is propped up by above-mentioned bearing 13f
In above-mentioned recess 13b, above-mentioned recess 13b is formed at the upper of the disc-shape of side circumferential end 13c ' of above-mentioned shell 13 for support
On lid 13a, meanwhile, the center of lower end 14a ' 2 insertion bottom 27 of above-mentioned armature spindle 14a ' and prominent insert above-mentioned valve
In the 11d of chamber, bottom 27 is the disc-shape of metal system such as stainless steel, is arranged on and forms the above-mentioned of above-mentioned shell 13
On cover 13c.Above-mentioned bottom 27 is fixed on the above-mentioned opposite side of above-mentioned cover 13c by press-in or welding such as laser welding
Circumferential end 13c ".By placing, support member 14d on above-mentioned bottom 27 supports above-mentioned armature spindle 14a '.Above-mentioned
Support member 14d is made up of round plate 14d1 and connected and integral part of cylindrical portion 14d3 of section portion 14d2,
The periphery of above-mentioned cylindrical portion 14d3 is wound with spring 14d4.Above-mentioned cylindrical portion 14d3 of above-mentioned armature spindle 14a ' insertion and on
State round plate 14d1, on above-mentioned bottom 27, above-mentioned spring 14d4 is arranged on above-mentioned rotor for above-mentioned round plate 14d1 placing
Between the injection molding portion 14a2 of the above-mentioned rotor 14 of axle 14a ' and above-mentioned section of portion 14d2, support above-mentioned armature spindle
14a′.And, constitute the outer housing 110 of above-mentioned valve pocket 11d to be made up of the side wall 113 of metal material such as stainless steel,
Side wall 113 has peristome 111 and the top 112 of side, and above-mentioned top 112 is by the peristome 111 with above-mentioned side
Connect the shoulder 114 being formed and formed.And, the leading section 112a at above-mentioned top 112 bending in above-mentioned valve pocket 11d,
Form cylindric wall portion 112b, above-mentioned top 112 is set at the center at above-mentioned top 112 by above-mentioned cylindrical shape wall portion 112b
It is equipped with the peristome 112c of opposite side.As shown in fig. 6, being inserted into above-mentioned shell in the peristome 112c of above-mentioned opposite side
Circumferential end 13c " and being fixed on circumferential end 13c of above-mentioned opposite side " of the 13 above-mentioned opposite side of cover 13c '
Above-mentioned bottom 27, circumferential end 13c of above-mentioned opposite side " pass through to weld such as laser welding together with above-mentioned bottom 27,
Fixed by above-mentioned cylindrical shape wall portion 112b, be arranged in the peristome 112c of above-mentioned opposite side.As a result, on being formed
State the above-mentioned shell 13 of motor part 12, be arranged on above-mentioned cylindrical shape outer housing 110 as separate individuality.And, above-mentioned shell
The 13 above-mentioned opposite side of above-mentioned cover 13c circumferential end 13c " with above-mentioned cylindrical shape wall portion 112b be welded to together with,
So the above-mentioned shell 13 forming said motor portion 12 is securely fixed on above-mentioned cylindrical shape outer housing 110, upright setting peace
It is contained in the outside of above-mentioned outer housing 110.
And, in the above-mentioned valve pocket 11d being made up of above-mentioned cylindrical shape outer housing 110, the above-mentioned lower end of above-mentioned armature spindle 14a '
14a ' 2 projecting in above-mentioned valve pocket 11d, first gear 17 by press-in or laser welding be embedded in above-mentioned lower end
The periphery of 14a ' 2.Then, the above-mentioned second gear 18 that is engaged with above-mentioned first gear 17 and with above-mentioned second gear 18
Above-mentioned 3rd gear 19 ' of occlusion and the 4th gear 20 being engaged with above-mentioned three gear 19 ' are identical with Fig. 1 composition.
But, in figure 6, above-mentioned 3rd gear 19 ' is different from Fig. 1, gear 19a and 19b of the epimere shown in Fig. 1 and hypomere,
Omit because there is no the segmentation problem of gear action, be only used as single gear and formed.Above-mentioned 3rd gear 19 ' is with upper
State the rotation of second gear 18 and rotate, and be arranged on the periphery of above-mentioned parts of bearings 21 '.In addition, above-mentioned parts of bearings
21 ' is different from the above-mentioned parts of bearings 21 shown in Fig. 1, shorter than above-mentioned parts of bearings 21, above-mentioned parts of bearings 21 '
Lower end 21 ' b is embedded by press-in to be fixed on above-mentioned valve seat 11a.Its fixation can also be by welding such as laser welding
Carry out.The upper press-in of above-mentioned parts of bearings 21 ' is provided with the shaft-cup 21 ' a of metal such as stainless steel, supports the above-mentioned 3rd
Gear 19 ', above-mentioned shaft-cup 21 ' a configures between above-mentioned 3rd gear 19 ' and above-mentioned valve seat 11a.
So, by above-mentioned first gear 17, above-mentioned second gear 18, the 3rd gear 19 ' and above-mentioned 4th gear 20
And form gear row in above-mentioned outer housing 110, by the pulse signal inputing to fixed coil 15 shown in Fig. 1, above-mentioned
Armature spindle 14a ' rotates with the rotation of the above-mentioned rotor 14 of stepper motor 12, and said gear arranges with above-mentioned armature spindle
The rotation of 14a ' carries out rotating transmission, and above-mentioned valve element 23 slides rotation on above-mentioned valve seat 11a.As a result, Fig. 6 institute
The electric T-shaped valve 10 showing, identical with shown in Fig. 5 A and Fig. 5 B, realize selectively being opened and closed above-mentioned delivery outlet P1 and above-mentioned
Delivery outlet P2.And, by the embodiment shown in Fig. 6, the simplifying the structure of above-mentioned outer housing 110, and built-in above-mentioned the
The structure of the above-mentioned valve pocket 11d that three gears 19 ' or above-mentioned parts of bearings 21 ' wait also is simplified, thus providing a kind of minimizing
Parts count, improves installation, reduces cost, can selectively be opened and closed above-mentioned delivery outlet P1 and above-mentioned delivery outlet P2
Electric T-shaped valve.
Next, in embodiment illustrated in fig. 6, above-mentioned pin 26A that above-mentioned valve element 23 is rotated and contacted by above-mentioned slip and
Above-mentioned pin 26B (not shown) is further enhanced in the fixing intensity of above-mentioned valve seat 11a, meanwhile, above-mentioned bearing
Part 21 ' is also further enhanced in the fixing intensity of above-mentioned valve seat 11a, therefore, presses above-mentioned pin 26A and above-mentioned
The pressing plate 28 of pin 26B or above-mentioned parts of bearings 21 ' can be only fitted in above-mentioned valve pocket 11d.That is, above-mentioned pressing plate
28 as shown in fig. 7, be shaped generally as platform shape shape by the relatively thin tabular of metal such as stainless steel.In the figure 7, on
State pressing plate 28 at it while forming notch part 28a, as shown in fig. 6, above-mentioned armature spindle 14a ' passes through above-mentioned notch part
28a configures in above-mentioned valve pocket 11d.And, above-mentioned pressing plate 28 oblique view as shown in Figure 8 is configured, Fig. 8 table
The pith of electric T-shaped valve 10 shown in diagram 6.That is, above-mentioned pressing plate 28 respectively with lower end press-in be fixed on above-mentioned
The upper-end contact of above-mentioned spacer pin 26A and 26B of valve seat 11a, meanwhile, the also upper termination with above-mentioned parts of bearings 21 '
Touch.In addition, the side 28b of the side of above-mentioned pressing plate 28 with above-mentioned cylindrical shape outer housing 110 above-mentioned side wall 113 interior
Face contact, another side 28c of above-mentioned pressing plate 28 and the inner face setting spaced apart of above-mentioned side wall 113.Above-mentioned
The side 28b of pressing plate 28 can not also be contacted with above-mentioned side wall 113 and arrange.So, above-mentioned pressing plate 28 is determined
In the above-mentioned valve pocket 11d of above-mentioned cylindrical shape outer housing 110, configuration is in above-mentioned spacer pin 26A and above-mentioned spacer pin 26B for position
And between above-mentioned parts of bearings 21 ' and above-mentioned bottom 27, be arranged in above-mentioned valve pocket 11d.In Fig. 7 and Fig. 8, attached
Icon note 26A ' and reference 26B ' represents above-mentioned spacer pin 26A and above-mentioned spacer pin 26B and above-mentioned pressing plate respectively
28 contact site, reference 21a ' represents the contact site of above-mentioned parts of bearings 21 ' and above-mentioned pressing plate 28, above-mentioned connects
Contact portion 26A ', 26B ' and 21a ' are formed by welding such as laser welding.Therefore, above-mentioned spacer pin 26A and 26B
And above-mentioned parts of bearings 21 ' is securely supported in above-mentioned pressing plate 28.As a result, above-mentioned spacer pin 26A and 26B
And above-mentioned parts of bearings 21 ' is while be securely supported above-mentioned valve seat 11a, firmly held by above-mentioned pressing plate 28,
Therefore above-mentioned spacer pin 26A and 26B and above-mentioned parts of bearings 21 ' the setting position of above-mentioned valve seat 11a can correctly and
Maintain for a long time.Therefore, above-mentioned delivery outlet P1 is selectively opened and closed by the above-mentioned valve element 23 of above-mentioned electric T-shaped valve 10
Action with above-mentioned delivery outlet P2 can with no change ground stably carry out, it is possible to achieve electric T-shaped valve 10 long
Correct opening and closing.
In addition, the structure of the pith of the other embodiment of the present invention shown in Fig. 9 A.Fig. 9 A be shown in above-mentioned by
The oblique view such as spot welding being welded on pressing plate 28 or installing the embodiment of relatively thin leaf spring 29 by pin.As Fig. 9 B institute
Show, this leaf spring 29 is made up of the substrate 29A of surface plate and spring 29B, the front end of above-mentioned spring 29B is formed with flat
Facial 29B1, this planar portions 29B1 is provided with hemispherical protuberance 29B2.Above-mentioned spring 29B be configured to plate width identical,
Or the shape that plate width expands towards this protuberance 29B2 from above-mentioned base portion 29A.But, above-mentioned spring 29B shows in figure
For plate width identical shape.In addition, reference 28C ' and 28D ' represent the weld part on aforesaid substrate 29A, in figure
Illustrate that above-mentioned leaf spring 29 is for example fixed on the state of above-mentioned pressing plate 28 by spot welding.By this structure, as Fig. 8 institute
Show, by above-mentioned pressing plate 28 and above-mentioned leaf spring 29, the elasticity using above-mentioned leaf spring 29 makes raised part 29B2 (in figure
Not shown) abut with above-mentioned valve element 23, when above-mentioned valve element 23 slides on above-mentioned valve seat 11a, can be made it further
Sliding stability is reliably carried out.Therefore, above-mentioned delivery outlet P1 and above-mentioned output are selectively opened and closed by above-mentioned valve element 23
The action of mouth P2 can stably be realized.As a result, electric T-shaped valve 10 can move in enforcement more accurate opening and closing in longer-term ground
Make.
In addition, Fig. 8 is using above-mentioned leaf spring 29 in the oblique view of pith being shown in and showing above-mentioned electric T-shaped valve 10
Embodiment figure.Above-mentioned leaf spring 29, when above-mentioned valve element 23 counterclockwise slides on above-mentioned valve seat 11a, in closure
When stating the first flow pass P1, above-mentioned valve element 23 bears the elastic reaction of above-mentioned leaf spring 29, and above-mentioned valve element 23 is to above-mentioned
First flow pass P1 implements reliable closing motion.Afterwards, when above-mentioned valve element 23 on above-mentioned valve seat clockwise
During slip, for above-mentioned second flow pass P2, above-mentioned valve element 23 does not bear the knee springing of above-mentioned leaf spring 29 and blocks
Above-mentioned second flow pass P2.
Claims (2)
1. a kind of electric T-shaped valve, has multiple openings of input port on the face of valve seat for the opening and certain intervals configuration
Delivery outlet, rotates the valve element of slip, described valve element selectively switching station on described valve seat by the driving force of motor part
State multiple delivery outlets, it is characterized by, described motor part is arranged on the cylindric outer housing importing coolant as separate individuality
On the outside of upper surface, described valve seat is arranged on the lower end opening portion of described cylindrical shape outer housing, and described valve element is described by transmitting
The driving force of the motor part and geared system configuring in described cylindrical shape outer housing drives, described cylindrical shape outer housing is by having one
The side wall at side opening portion and top is constituted, and the peristome of described side is provided with described valve seat, and described top is passed through circle
Tubular wall portion is provided with opposite side peristome, the peristome of described opposite side is uprightly provided with and is fixed on described cylindrical wall
In portion and the interior shell setting described motor part, described shell is arranged on described cylindrical shape outer housing；
The spacer pin being contacted with the limiting section of described valve element is provided with described valve seat, be configured with described cylindrical shape outer housing by
Pressing plate, described pressing plate is fixed on the upper end of described spacer pin, keeps described spacer pin；
The described side wall of cylindric outer housing described in the contacts side surfaces of the side of described pressing plate；
Described pressing plate installation settings has leaf spring, and described leaf spring contacts described valve element due to elasticity.
2. the electric T-shaped valve described in claim 1, it is characterized by, described shell has bottom, and this bottom is fixed on described
The circumferential end of the opposite side of shell, the circumferential end of described opposite side is located at the peristome of the described opposite side of described cylindrical shape wall portion
Interior.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125797.9A CN103375606B (en) | 2012-04-25 | 2012-04-25 | Motor-driven three-way valve |
| JP2012221711A JP5606511B2 (en) | 2011-11-25 | 2012-10-03 | Electric switching valve |
| KR1020120117347A KR101481145B1 (en) | 2011-11-25 | 2012-10-22 | Electomotive three-way valve |
| US13/660,335 US8844569B2 (en) | 2011-11-25 | 2012-10-25 | Electric three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125797.9A CN103375606B (en) | 2012-04-25 | 2012-04-25 | Motor-driven three-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103375606A CN103375606A (en) | 2013-10-30 |
| CN103375606B true CN103375606B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210125797.9A Active CN103375606B (en) | 2011-11-25 | 2012-04-25 | Motor-driven three-way valve |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276229A (en) * | 2014-06-09 | 2016-01-27 | 浙江三花股份有限公司 | Electric switching valve |
| CN112145744B (en) * | 2015-12-07 | 2022-09-09 | 浙江三花商用制冷有限公司 | Transmission connection structure of electric switching valve and electric switching valve |
| CN107781499A (en) * | 2016-08-24 | 2018-03-09 | 浙江三花股份有限公司 | Thimble assembly and there is its control valve |
| CN107781498B (en) * | 2016-08-24 | 2021-03-12 | 浙江三花智能控制股份有限公司 | Control valve |
| CN109519564B (en) * | 2017-09-20 | 2020-10-30 | 浙江三花汽车零部件有限公司 | Electric valve |
| CN108670088A (en) * | 2018-08-31 | 2018-10-19 | 九牧厨卫股份有限公司 | A kind of pipeline residual water treatment facilities, shower and processing method |
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|---|---|---|---|---|
| CN1464952A (en) * | 2001-07-10 | 2003-12-31 | 株式会社三协精机制作所 | Valve drive device |
| CN1932352A (en) * | 2005-09-15 | 2007-03-21 | 株式会社鹭宫制作所 | Fluid switching valve |
| CN103133717A (en) * | 2011-11-25 | 2013-06-05 | 浙江三花股份有限公司 | Power-driven changeover valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332023A (en) * | 1997-05-28 | 1998-12-15 | Denso Corp | Opening/closing valve |
| JP2002005543A (en) * | 2000-06-19 | 2002-01-09 | Saginomiya Seisakusho Inc | Combined valve of four-way selector valve and motorized expansion valve |
| JP4208441B2 (en) * | 2001-08-20 | 2009-01-14 | 日本電産サンキョー株式会社 | Valve drive device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464952A (en) * | 2001-07-10 | 2003-12-31 | 株式会社三协精机制作所 | Valve drive device |
| CN1932352A (en) * | 2005-09-15 | 2007-03-21 | 株式会社鹭宫制作所 | Fluid switching valve |
| CN103133717A (en) * | 2011-11-25 | 2013-06-05 | 浙江三花股份有限公司 | Power-driven changeover valve |
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