CN110094519A - Motor-driven valve - Google Patents
Motor-driven valve Download PDFInfo
- Publication number
- CN110094519A CN110094519A CN201811621168.9A CN201811621168A CN110094519A CN 110094519 A CN110094519 A CN 110094519A CN 201811621168 A CN201811621168 A CN 201811621168A CN 110094519 A CN110094519 A CN 110094519A
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- China
- Prior art keywords
- retainer
- motor
- valve
- valve shaft
- mentioned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A kind of motor-driven valve is provided, collision sound (initialization sound) and the mutual abrasion of stop-motion body when being initialized (basic point of motor-driven valve positions) can be reduced.In preventing retainer pressing device (48) of the lower part retainer (25) relative to the relative movement of pilot bushing (20), the bearing claw (49d) for supporting lower part retainer (25) in the circumferential being capable of flexible deformation in the circumferential.
Description
Technical field
It is used electronic the present invention relates to the refrigeration cycle such as air conditioner, refrigeration machine are assembled in as flow control valve etc.
Valve.
Background technique
As this motor-driven valve, such as the known structure having such as lower component: valve shaft, the valve shaft are provided with valve in lower end
Core；Pilot bushing, the pilot bushing have cylindrical portion, and the valve shaft can relatively move and can be opposite in the axial direction
The cylindrical portion is inserted in the state of rotation；Valve body, the valve body have the seat portion (valve seat) separateing with above-mentioned spool,
And it is mounted with above-mentioned pilot bushing；Valve shaft retainer, the valve shaft retainer have the circle for above-mentioned pilot bushing interpolation
Canister portion and perforation are provided with the top for the insertion hole inserted for the upper end of above-mentioned valve shaft, and the valve shaft retainer and above-mentioned valve
Axis connection is fixed；Force application part, the force application part are plugged between above-mentioned valve shaft and above-mentioned valve shaft retainer, with to valve closing direction
It exerts a force to above-mentioned spool；Motor, the motor have for turning above-mentioned valve shaft retainer relative to what above-mentioned pilot bushing rotated
Son and stator；Feed screw mechanism, the feed screw mechanism by be formed in above-mentioned pilot bushing periphery fixed thread portion and
The movable threaded portion for being formed in the inner circumferential of above-mentioned valve shaft retainer is constituted, and is made above-mentioned for the rotation driving based on above-mentioned rotor
The above-mentioned spool of valve shaft is gone up and down relative to above-mentioned seat portion (valve seat)；And lower part stop mechanism, the lower part stop mechanism is by solid
Determine stop-motion body and movable stop-motion body composition is moved down with the rotation for limiting above-mentioned valve shaft retainer, which is set to
Lower part retainer with the internal thread part that the above-mentioned fixed thread portion with above-mentioned pilot bushing screws togather, the movable stop-motion body setting
In above-mentioned valve shaft retainer, when above-mentioned spool is located at most down position, between above-mentioned spool and above-mentioned seat portion (valve seat)
The gap of size as defined in being formed (for example, referring to patent document 1).
In the air conditioner for stating such motor-driven valve without valve closing type in use, it is (logical to be located at most down position in spool
Often, it is in full-shut position) when, the gap of defined size is also formed between spool and valve seat, therefore for example carry out at dead of night
In the case where dehumidifying operating, motor-driven valve can be made not being full-shut position but refrigeration dose throttles in a state that operates, energy
The generation of enough sounds that inhibits to work due to caused by the on/off of motor-driven valve.In addition, in motor-driven valve as described above,
Compared with the motor-driven valve of common valve closing type, spool stinging to valve seat can also be reliably prevented by also having the advantage that
Enter.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2016-217451 bulletin
Subject to be solved by the invention
However, forming defined size between above-mentioned spool and valve seat in previous motor-driven valve as described above
Gap, therefore make the lower part retainer relative to pilot bushing cannot revolve using retainer pressing device (pressing component) sometimes
The mode turned links positioning, which engages with having the lower part retainer for the fixed stop body for constituting stop mechanism
And prevent the lower part retainer relative to pilot bushing relative rotation.
But above-mentioned retainer pressing device (pressing component) usually metal parts with a higher rigidity (made of metal just
Plate) it constitutes.Therefore, when for example being initialized (basic point of motor-driven valve positions), stop being set to the movable of valve shaft retainer
When kinetoplast collides the fixed stop body for being set to lower part retainer, above-mentioned retainer pressing device (does not become almost without flexure
Shape), it is possible to cause the power (impact force) for being applied to movable stop-motion body and fixed stop body, retainer pressing device to become larger, touches
It hits sound (initialization sound) to become larger, and the mutual abrasion of stop-motion body becomes more.
Summary of the invention
The present invention is completed in view of the above subject, it is intended that providing a kind of motor-driven valve, can reduce progress just
Collision sound (initialization sound) and the mutual abrasion of stop-motion body when beginningization (basic point of motor-driven valve positions).
Means for solving the problems
In order to solve above-mentioned problem, motor-driven valve of the invention substantially includes valve shaft, which is provided with spool；It leads
To bushing, which can relatively move in the axial direction and interior with the relative rotation can insert in the pilot bushing；Valve body, should
Valve body has the valve port with valve seat, and is mounted with the pilot bushing；Valve shaft retainer, the valve shaft retainer and institute
State valve shaft connection；Motor, the motor have rotor for rotate the valve shaft retainer relative to the pilot bushing with
Stator；Feed screw mechanism, the feed screw mechanism for based on the rotor rotation driving and make the spool relative to
The valve seat lifting, and be arranged between the pilot bushing and the valve shaft retainer；Lower part stop mechanism, the lower part stop
The rotation that mechanism is used to limit the valve shaft retainer moves down, and has the movable stop-motion body for being set to the valve shaft retainer
With the fixed stop body for being set to the lower part retainer installed in the pilot bushing；And pressing component, the pressing component are anti-
Only relative movement of the lower part retainer relative to the pilot bushing is provided with supporting part in pressing component setting,
The supporting part supports the lower part retainer in the circumferential, and being capable of flexible deformation in the circumferential.
In a preferred manner, when the supporting part is provided with bending section, which is formed as observing radially
With defined radius.
In other preferred modes, the supporting part is opposite with the side of valve closing direction side of the lower part retainer
And the lower part retainer is supported in the circumferential.
In other preferred modes, the supporting part is embedded in the lower part retainer and supports in the circumferential described
Lower part retainer.
In other preferred modes, support foot is configured in the supporting part, and the support foot is from the supporting part direction
Normal direction extends.
In other preferred modes, the pressing component and the lower part retainer are configured to a component.
In a more preferred manner, the pressing component and the lower part retainer by welding, deposition, bonding, riveting,
Or insert part forming and be integrally formed.
In other preferred modes, make the lower part retainer relative to the guiding by the pressing component
Bushing is exerted a force upwards.
In a more preferred manner, the pressing component be provided with top force section, the top force section with it is described under
The lower surface of portion's retainer abuts and above pushes away the lower part retainer.
In other preferred modes, make the lower part retainer relative to the guiding by the pressing component
Bushing is exerted a force downwards.
In a more preferred manner, the pressing component be provided with lower section force section, the lower section force section with it is described under
The upper surface of portion's retainer abuts and pushes the lower part retainer.
In other preferred modes, the stator arrangement tubular engage with the valve body shell outside
Side, the rotor configuration the shell inside and be connected to and can rotate integrally with the valve shaft retainer.
Invention effect
According to the present invention, the supporting part for supporting lower part retainer in the circumferential in pressing component can be elastic in the circumferential
Deformation, therefore when for example being initialized (basic point of motor-driven valve positions), in the movable stop-motion body for being set to valve shaft retainer
When colliding the fixed stop body for being set to lower part retainer, supporting part flexible deformation (flexure) in the circumferential thus should (week
To) impact is alleviated, therefore the collision sound that can be efficiently reduced when being initialized (basic point of motor-driven valve positions) is (initial
Change sound) and the mutual abrasion of stop-motion body.
In addition, can make to be supported by the supporting part by the elastic force (bounce) of above-mentioned supporting part after the collision
Lower part retainer return to original position or posture, therefore can ensure the controlling by flow.
In addition, above-mentioned pressing component and above-mentioned lower part retainer are configured to a component, therefore number of components and assembling work
When can tail off, and assembling procedure can be simplified.
Detailed description of the invention
Fig. 1 is the longitudinal section view for showing the first embodiment of motor-driven valve of the invention.
Fig. 2 shows valve shaft retainer shown in FIG. 1, (A) of Fig. 2 is perspective view, and (B) of Fig. 2 is top view.
Fig. 3 shows retainer pressing device shown in FIG. 1, and (A) of Fig. 3 is perspective view, and (B) of Fig. 3 is top view.
Fig. 4 is to show the internal structure of motor-driven valve shown in FIG. 1 (to be mounted with the shape of lower part retainer and retainer pressing device
State) perspective view.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is the top view of Fig. 4.
Fig. 7 is that the internal structure for the second embodiment for showing motor-driven valve of the invention (is mounted with lower part retainer and stops
The state of moving part pressing device) perspective view.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is the top view of Fig. 7.
Figure 10 is the perspective view for showing retainer pressing device shown in Fig. 7.
Figure 11 is the six face figures for showing retainer pressing device shown in Fig. 7.
Figure 12 is that the internal structure for the third embodiment for showing motor-driven valve of the invention (is mounted with lower part retainer and stops
The state of moving part pressing device) perspective view.
Figure 13 is the side view of Figure 12.
Figure 14 is the top view of Figure 12.
Figure 15 is the perspective view for showing retainer pressing device shown in Figure 12.
Figure 16 is the six face figures for showing retainer pressing device shown in Figure 12.
Figure 17 is that the internal structure for the 4th embodiment for showing motor-driven valve of the invention (is mounted with lower part retainer and stops
The state of moving part pressing device) perspective view.
Figure 18 is the side view of Figure 17.
Figure 19 is the top view of Figure 17.
Figure 20 is the perspective view for showing the lower part retainer shown in Figure 17 with retainer pressing device.
Figure 21 is the six face figures for showing the lower part retainer shown in Figure 17 with retainer pressing device.
Figure 22 is the perspective view for discretely showing retainer pressing device shown in Figure 17.
Figure 23 is the six face figures for discretely showing retainer pressing device shown in Figure 17.
Symbol description
1 motor-driven valve (first embodiment)
2 motor-driven valves (second embodiment)
3 motor-driven valves (third embodiment)
4 motor-driven valves (the 4th embodiment)
10 valve shafts
14 spools
20 pilot bushings
21 cylindrical portions
23 fixed thread portions (external thread part)
24 fixed stop bodies
25 lower part retainers
28 feed screw mechanisms
29 lower part stop mechanisms
30 valve shaft retainers
31 cylindrical portions
32 tops
33 movable threaded portions' (internal thread part)
34 movable stop-motion bodies
35 protrusions
40 valve bodies
40a valve chamber
41 first openings
The first conduit of 41a
42 second openings
The second conduit of 42a
43 insertion holes
44 embedded holes
45 base walls
46 valve ports
46a valve seat
47 flange shape plates
47a annular recess
48 retainer pressing devices (pressing component)
48a installs supporting part
48b mounting part
48c stage portion
48d inserts embedding hole
48e scallop
49d bearing claw (supporting part)
The bending section 49e
49f support foot
49g flange part
49h stage portion
Pawl (top force section) is exerted a force above 49u
Pawl (lower section force section) is exerted a force below 49v
50 stepper motors
51 rotors
52 stators
55 shells
60 collapse coil springs
70 fixation members
71 fixed parts
72 flange parts
O axis
Specific embodiment
Hereinafter, embodimentsing of the present invention will be described while referring to attached drawing.
In addition, in the various figures, in order to be readily appreciated that invention and realize the convenience in mapping, sometimes to being formed in portion
The spacing distance etc. between gap, component between part carries out exaggeration description.In addition, in the present specification, indicating upper and lower, left and right equipotential
It sets, the description in direction is on the basis of indicating by the direction arrow of Fig. 1, not imply that position, the direction under actual use state.
[first embodiment]
Fig. 1 is the longitudinal section view for showing the first embodiment of motor-driven valve of the invention.
The motor-driven valve 1 of illustrated embodiment is to be assembled in the refrigeration cycle such as air conditioner, refrigeration machine as flow control valve etc.
And use, mainly include the valve shaft 10 for being provided with spool 14, pilot bushing 20, valve shaft retainer 30, valve body 40, shell
55, the stepper motor 50 that is made of rotor 51 and stator 52, collapse coil spring (force application part) 60, as the fixation of retainer
Component 70, feed screw mechanism 28 and lower part stop mechanism 29.
Above-mentioned valve shaft 10 from upside with top small diameter portion 11, intermediate large-diameter portion 12 and lower part small diameter portion 13, at this
The lower end of lower part small diameter portion 13 is integrally formed with the spool 14 of the inverted cone-shaped with step, and the spool 14 is for controlling stream
That crosses the fluid (refrigerant) of valve port 46 passes through flow.
Above-mentioned pilot bushing 20 has cylindrical portion 21 and extends configuration section 22, above-mentioned valve shaft 10 (intermediate large-diameter portion 12) with
(sliding) can be relatively moved along axes O direction and the cylindrical portion 21 can be inserted in the state of axes O relative rotation；This prolongs
Stretch that configuration section 22 extends upwards from the upper end of the cylindrical portion 21 and internal diameter is bigger than the cylindrical portion 21, the centre of above-mentioned valve shaft 10
The extension configuration section 22 is inserted in the upper end side of large-diameter portion 12 and the lower end side of top small diameter portion 11.In above-mentioned pilot bushing 20
The periphery of cylindrical portion 21 is formed with fixed thread portion (external thread part) 23, which constitutes the rotation based on rotor 51
It drives and makes the spool 14 of above-mentioned valve shaft 10 relative to a side of the valve seat 46a of valve body 40 feed screw mechanism 28 gone up and down.
In addition, the lower part (part for being located at downside compared with fixed thread portion 23) of above-mentioned cylindrical portion 21 is major diameter, composition and valve body
The chimeric fitting portion 27 of 40 embedded hole 44.Lower part retainer 25 and above-mentioned fixed thread portion 23 (in valve shaft retainer 30
Downside) it screws togather, it is integrally provided projectingly fixed stop body 24 in the periphery of the lower part retainer 25, fixed stop body 24 is constituted
One side of the lower part stop mechanism 29 that the rotation of limitation valve shaft retainer 30 moves down.In addition, in this example, fitting portion 27
Upper surface 27a be construed as limiting lower part retainer 25 move down (in other words, it is specified that the lower part under aftermentioned state of taking a seat is stopped
The position of moving part 25) retainer.
In addition, in this example, pacifying in the lower part retainer 25 for being installed on above-mentioned pilot bushing 20 (fixed thread portion 23)
Dress (exterior) have retainer pressing device (pressing component) 48, by the retainer pressing device 48 make lower part retainer 25 relative to
Pilot bushing 20 (fixed thread portion 23) links (explained later) in a manner of not revolvable.
Above-mentioned valve shaft retainer 30 be such as resin make (in view of with the contact of fixation member 70, preferably by resistance to
What the resin after the reinforcing such as the higher SUS of abrasion, carbon fiber made), there is the cylindrical portion for above-mentioned 20 interpolation of pilot bushing
31 and top 32, the top 32 perforation is provided with the upper end for above-mentioned valve shaft 10 (top small diameter portion 11) (with can be along axis
The direction line O relatively move and can be around the state of axes O relative rotation) insert insertion hole 32a.In above-mentioned valve shaft retainer
The inner circumferential lower part of 30 cylindrical portion 31 is formed with movable threaded portion (internal thread part) 33, which serves as a contrast with above-mentioned guiding
Set 20 fixed thread portion 23 screw togather and constitute above-mentioned feed screw mechanism 28, also, the inner circumferential top of the cylindrical portion 31 with it is upper
The periphery for stating the cylindric extension configuration section 22 of pilot bushing 20 abuts (sliding contact).In addition, constituting above-mentioned lower part stop
The movable stop-motion body 34 of another party of mechanism 29 is integrally provided projectingly on the periphery lower end of the cylindrical portion 31.
In addition, referring to Figures 1 and 2 it is found that the top 32 of above-mentioned valve shaft retainer 30 upper surface (with aftermentioned fixation
The opposite opposite face of the flange part 72 of component 70) when being integrally formed with overlook view (when axes O side looks up) substantially
Two protrusions 35 of fan shape (here, the fan shape that central angle is about 90 degree).In detail, above-mentioned two protrusion 35 is around top
The insertion hole 32a (in other words, around the rotation axis O of valve shaft retainer 30) of 32 upper surface and relative to axes O in opposite side
(being in other words, symmetrical position in the rotation axis O relative to valve shaft retainer 30) is protrusively provided upward, and above-mentioned
Between two protrusions 35 (in this example, the upper section of a circumferential end face 34a for above-mentioned movable stop-motion body 34, i.e. along axis
Part comprising the circumferential end face 34a same position with above-mentioned movable stop-motion body 34 when the direction line O is observed) it is obtained with notch
The shape (being in plan view the notch 36 of generally fan-shaped shape (here, the fan shape that central angle is about 90 degree)) arrived.
By above-mentioned protrusion 35, valve shaft retainer 30 is reduced relative to the contact area of fixation member 70, therefore for example
Contact resistance (rotational slide resistance) when valve shaft retainer 30 is abutted with fixation member 70 becomes smaller.
In addition, such as above-mentioned valve shaft retainer 30 by formed products are resin to make in the case where, shaped by making
When formed weld line, die parting line position and notch 36 position alignment, weld line, die parting line are formed with when shaping
Notch 36 is arranged in position, can further decrease above-mentioned contact resistance (rotational slide resistance), and above-mentioned valve shaft retainer 30
The flatness of sliding surface get higher, the axle offset of valve shaft 10 can be further suppressed.
For example, the opposite side of the movable stop-motion body 34 in valve shaft retainer 30 is provided with the resin for injection molding
Cast gate in the case where, by as described above, in top (more specifically, the movable stop-motion body 34 of movable stop-motion body 34
The upper section of a circumferential end face 34a) setting notch 36, so that there is no formings in the protrusion 35 of above-mentioned valve shaft retainer 30
When the weld line, the die parting line that are formed, therefore above-mentioned contact resistance (rotational slide resistance) can be further decreased, and above-mentioned valve
The flatness of the sliding surface of axis retainer 30 is got higher, and can further suppress the axle offset of valve shaft 10.
In addition, by the upper surface at the top of valve shaft retainer 30 32 by raised part 35 relative to valve shaft retainer 30
Rotation axis O symmetrically configure, can more effectively inhibit the axle offset of valve shaft 10, also, by dispersing raised part 35
Ground is configured in multiple positions around rotation axis O of valve shaft retainer 30, can be further reduced 30 (protrusion of valve shaft retainer
35) contact area relative to fixation member 70.
In addition, shape, quantity, the position of protrusion 35 etc. that are arranged in the upper surface at the top 32 of above-mentioned valve shaft retainer 30
It is certainly not limited to illustrated example, also can be omitted raised part 35.
In addition, the step surface (stage portion) formed between the top small diameter portion 11 and intermediate large-diameter portion 12 of above-mentioned valve shaft 10
15 and above-mentioned valve shaft retainer 30 top 32 lower surface between, across the top 32 for being configured at above-mentioned valve shaft retainer 30
The disk-shaped pressing plate (washer) 61 of lower face side and the mode of the top small diameter portion 11 that is externally fitted to valve shaft 10 compresses installation
There is cylindric collapse coil spring (force application part) 60, which keeps to above-mentioned valve shaft 10 and above-mentioned valve shaft
The direction that frame 30 separates in lifting direction (axes O direction) exerts a force to above-mentioned valve shaft 10 and above-mentioned valve shaft retainer 30, changes speech
(valve closing direction) exerts a force to above-mentioned valve shaft 10 (spool 14) downwards always.
Above-mentioned valve body 40 is made of such as made of metal cylinder such as brass, SUS.The valve body 40 has valve chamber 40a, should
The inside of valve chamber 40a is imported and exported for fluid, and the first conduit 41a passes through soldering etc. and the side that is set to valve chamber 40a
It is fixed towards lateral 41 connection of the first opening, insertion hole 43 and embedded hole 44 is formed at the top of valve chamber 40a, this is inserted
Through-hole 43 can relatively move (sliding) on axes O direction for above-mentioned valve shaft 10 (intermediate large-diameter portion 12) and can be around
The state of axes O relative rotation is inserted, and the lower part (fitting portion 27) of above-mentioned pilot bushing 20 is embedded in embedded hole 44 and is mounted
Fixed, the second conduit 42a longitudinal with the direction for the lower part for being set to valve chamber 40a by soldering etc. 42 connection of the second opening
It is fixed.In addition, the base wall 45 between above-mentioned valve chamber 40a and above-mentioned second opening 42 forms the valve port 46 for having step, it should
Valve port 46 has and the valve seat 46a of above-mentioned spool 14 contact separation (approach, separate).
Circular flange shape plate 47 is fixed on the upper end periphery (valve of above-mentioned valve body 40 by riveting, soldering etc.
The outside of the pilot bushing 20 of main body 40), and the lower end of the cylindric shell 55 with top by butt welding etc. with
The stage portion for being set to the periphery of the flange shape plate 47 is sealingly engaged.
In addition, in this example, in the upper surface (surface of 55 side of shell) of above-mentioned flange shape plate 47, configuration is fixed with by band
The retainer pressing device (pressing component) 48 that the substantially disk-like member of step is constituted, the retainer pressing device 48 and above-mentioned lower part
Retainer 25 engages and prevents the relative rotation of the lower part retainer 25 relative to pilot bushing 20.
Above-mentioned retainer pressing device 48 is to be made by such as metal parts such as brass, SUS by punch process etc., base
In sheet with from above-mentioned valve body 40 (upper surface) and be set to the valve body 40 flange shape plate 47 (upper surface) separation (on
It is floating) state engage with above-mentioned lower part retainer 25, and the outer peripheral portion of retainer pressing device 48 is (with cricoid stage portion
48c is compared positioned at the part in outside) it is abutted with flange shape plate 47 (upper surface), and connect by welding, deposition, bonding etc.
It closes and fixes.
In detail, referring to Figure 1 and Figure 3~Fig. 6 is it is found that above-mentioned retainer pressing device 48 installs the lower part (exterior) Yu Shangshu
Retainer 25, and include the disk-shaped installation supporting part 48a discretely configured from above-mentioned valve body 40 (upper surface)；
And circular mounting part 48b, mounting part 48b are set to installation supporting part 48a's via stage portion 48c
Periphery, and mounting part 48b is mounted on the flange shape plate 47 in the setting of the periphery of above-mentioned valve body 40.
The size for supplying the insert of above-mentioned lower part retainer 25 is formed in above-mentioned installation supporting part 48a inserts embedding hole 48d, with this
Inserting embedding hole 48d, adjacently the setting (in other words, in the outer peripheral portion for inserting embedding hole 48d) is provided with the above-mentioned lower part retainer 25 of clamping
It is rectangular-shaped three bearing claws 49a, 49b, 49c when the side observation of (outer surface).Three bearing claws 49a, 49b, the 49c
It is erected in the mode opposite with the outer surface of above-mentioned lower part retainer 25, and the relatively small (width in circumferential direction therein
It is relatively small with height) bearing claw 49c and inserting for fixed stop body 24 for fan shape when inserting overlook view in embedding hole 48d
Embedding scallop 48e it is adjacent (in detail, with the side for the valve opening position side for inserting the fixed stop body 24 embedded in scallop 48e
It is adjacent) configure.In addition, in outer peripheral portion (in detail, the slotting fixed stop embedded in scallop 48e of above-mentioned scallop 48e
The part of body 24 abutted with the side of the valve closing direction side of the side opposite side of valve opening position side), with fixed stop body
24 outer surface (side of valve closing direction side) opposite mode is erect when being provided with observation in the circumferential as rectangular-shaped bearing
The two sides in circumferential direction that pawl (supporting part) 49d, bearing claw 49d grips stop-motion body 24 together with above-mentioned bearing claw 49c.
In addition, in this example, being provided with bending section (also referred to as R shape in the lower end (root) of above-mentioned bearing claw 49d
Portion) 49e, bending section 49e is formed as when observing in radial (transverse direction) with predetermined radius, and bearing claw 49d can be in week
Upward flexible deformation.
When for example being initialized (basic point of motor-driven valve 1 positions), in the movable stop for being set to valve shaft retainer 30
When body 34 collides the fixed stop body 24 for being set to lower part retainer 25, above-mentioned bearing claw 49d in the circumferential (scratch by flexible deformation
It is bent), it is thus somebody's turn to do (circumferential) impact and is alleviated, and after the collision, pass through the elastic force (bounce) of above-mentioned bearing claw 49d
And the lower part retainer 25 (fixed stop body 24) supported by bearing claw 49d is made to be pushed back original position or posture.
Also, movable stop-motion body 34 and fixed stop body 24 are the resin production after being strengthened by such as SUS, carbon fiber etc.
, therefore it is able to suppress the abrasion caused by impacting, the offset of basic point when initialization can be prevented.
In addition, here, lower part retainer 25 and retainer pressing device 48 constituted as separate part but it is also possible to be,
Such as bearing claw 49a, 49b, 49c, 49d are engaged in lower part stop by (fixed installation) by welding, deposition, bonding, riveting etc.
Part 25 etc., and by lower part retainer 25 and retainer pressing device 48 be integrally constituted (as a component).
On the other hand, the mounting part 48b in above-mentioned retainer pressing device 48 is connect by welding, deposition, bonding etc.
The substantially central portion (joint portion K) of above-mentioned flange shape plate 47 (upper surface) is fixed in conjunction, is thus made lower part retainer 25 and is led
It is connected to bushing 20 (fixed thread portion 23) and is unable to relative rotation.
In the case where flange shape plate 47 are fixed in the engagement of retainer pressing device 48 by welding, preferably make these components
For the material (or fusing point same material) of homogeneity, in this example, such as brass or SUS can be used.
In addition, in the upper surface (part in detail, abutted with above-mentioned mounting part 48b of above-mentioned flange shape plate 47
Inside) be attached to annular recess 47a, annular recess 47a is used for when preventing from for flange shape plate 47 being brazed in valve body 40
The flowing of solder.
Above-mentioned shell 55 inside and the outside of above-mentioned pilot bushing 20 and above-mentioned valve shaft retainer 30 rotatably freely
Configured with rotor 51, it is configured in the outside of above-mentioned shell 55 by magnetic yoke 52a, bobbin winder bracket 52b, stator coil 52c and resin
The stator 52 of the compositions such as mold cover 52d, to drive above-mentioned rotor 51 to rotate.Stator coil 52c is connected with multiple lead terminals
52e, these lead terminals 52e are connected with multiple lead 52g via substrate 52f, pass through the energization excitation to stator coil 52c
And the rotor 51 for making to configure in shell 55 is rotated around axes O.
Configure in shell 55 above-mentioned rotor 51 engaging is supported on above-mentioned valve shaft retainer 30, the valve shaft retainer 30 with
Above-mentioned rotor 51 (integrally) rotates together.
In detail, above-mentioned rotor 51 is using the double pipe knot being made of inner cylinder 51a, outer cylinder 51b and interconnecting piece 51c
Structure, interconnecting piece 51c connects inner cylinder 51a and outer cylinder 51b in the defined angle position around axes O, in inner cylinder 51a
It is formed with the cannelure 51d that (for example, around axes O according to 120 degree of angle interval) extends along axes O direction (up and down direction) week.
On the other hand, in the periphery (top half) of above-mentioned valve shaft retainer 30, referring to Fig. 2 it is found that end is set on it
Be equipped with the conical surface portion 30c being made of circular cone table top, be provided projectingly on the downside of conical surface portion 30c (for example, around axes O according to
120 degree of angle interval) the ridge 30a that vertically extends, above-mentioned turn of bearing is formed in the lower part two sides of ridge 30a
The locking surface 30b upward of son 51.
In this way, the cannelure 51d of the inner cylinder 51a of rotor 51 engage with the ridge 30a of valve shaft retainer 30 and rotor 51 it is interior
The lower surface of cylinder 51a is abutted with the locking surface 30b of valve shaft retainer 30, and thus rotor 51 is relative to 30 position of valve shaft retainer
The state support of alignment is fixed on the periphery of the valve shaft retainer 30, and above-mentioned 30 one side of valve shaft retainer is propped up in above-mentioned shell 55
Above-mentioned rotor 51 is held, is rotated together on one side with the rotor 51.
In addition, in this example, being located at the upper surface of the upper surface of valve shaft retainer 30 and the inner cylinder 51a of rotor 51 same
On the face or upper surface of valve shaft retainer 30 is located at the side of the position slightly more upper than the upper surface of the inner cylinder 51a of rotor 51
The engaging of above-mentioned rotor 51 is supported on above-mentioned valve shaft retainer 30 by formula.
The relative movement of valve shaft retainer 30 and rotor 51 on lifting direction is (in other words, by 51 phase of rotor in order to prevent
Valve shaft retainer 30 is pressed downwards and carries out anticreep locking) and link up valve shaft 10 and valve shaft retainer 30,
And the upside of above-mentioned rotor 51 and valve shaft retainer 30 be configured with fixation member 70, the fixation member 70 be externally embedded to be fixed on it is above-mentioned
The upper end of valve shaft 10 (top small diameter portion 11).
Fixation portions part 70 be such as using metal parts brass, SUS pass through punch process, machining etc. make
Make, comprising: be embedded in the upper end of above-mentioned valve shaft 10 (top small diameter portion 11) outside and by indentation, welding, deposition, bonding etc.
And engage the band platform being made of path top 71a and major diameter lower part 71b for being fixed on above-mentioned valve shaft 10 (top small diameter portion 11)
The cylindric fixed part 71 of rank；And it extends outwardly from the lower end of the fixed part 71 (major diameter lower part 71b) to rotor 51
Inner cylinder 51a near disk-shaped flange part 72.
Make the lower surface of above-mentioned flange part 72 and the upper surface of above-mentioned valve shaft retainer 30 and rotor 51 (inner cylinder 51a)
Upper surface is opposite, and (interior with the protrusion 35 (upper surface) of the upper surface that is set to the valve shaft retainer 30 and rotor 51
The upper surface of cylinder 51a) docking.
As described above, above-mentioned rotor 51 is clamped in and is exerted a force upwards by the active force of collapse coil spring 60
Anticreep locking is carried out between valve shaft retainer 30 and fixation portions part 70 (outer peripheral portion of flange part 72).
In addition, be fixed on the fixation portions part 70 of upper end of above-mentioned valve shaft 10 (in fixed part 71 major diameter under
Portion 71b) the recovery spring 75 being made of coil spring that valve shaft retainer 30 exerts a force to 20 side of pilot bushing is housed outside, to prevent
Only valve shaft retainer 30 is exceedingly moved upward relative to pilot bushing 20 at work, and leads to the fixation of pilot bushing 20
Threaded portion 23 screws togather releasing with the movable threaded portion 33 of valve shaft retainer 30.
Moreover, in the motor-driven valve 1, such as the biting and ensure low discharge domain to valve seat 46a of spool 14 in order to prevent
Controlling, when spool 14 is located at most down position (origin position) so that between spool 14 and valve seat 46a formed regulation
Size gap.
Assembling procedure, especially spool 14 to the motor-driven valve 1 origin position (most down position) positioning process into
When row is described in detail, firstly, assembling valve shaft 10, pilot bushing 20, lower part retainer 25, retainer pressing device 48, collapse coil
Spring 60, valve shaft retainer 30, rotor 51, valve body 40, flange shape plate 47 etc..For example, flange shape plate 47 is brazed in valve master
Body 40 makes lower part retainer 25 and (the fixed thread portion of pilot bushing 20 after valve body 40 is fixed in the indentation of pilot bushing 20
23) screw togather, retainer pressing device 48 is installed on lower part retainer 25 and is positioned on valve body 40 and flange shape plate 47 etc.
And they are assembled.At this point, retainer pressing device 48 (mounting part 48b) is not fixed to the flange shape plate of valve body 40
47, and first by lower part retainer 25 relative to pilot bushing 20 can be screwed togather in a manner of relative rotation.In addition, lower part retainer
25 at this stage, can be configured to abut with the retainer 27a of pilot bushing 20, can also be with retainer 27a interval
Ground configuration.Then, using being made of the movable threaded portion 33 in the fixed thread portion 23 of pilot bushing 20 and valve shaft retainer 30
Feed screw mechanism 28 and decline above-mentioned valve shaft retainer 30, rotor 51 and valve shaft 10 while rotating, until as follows
State: the spool 14 for being set to the lower end of valve shaft 10 is abutted with valve seat 46a and (is taken a seat), and collapse coil spring 60 is pressed slightly
Contracting, the movable stop-motion body 34 of valve shaft retainer 30 is abutted with the fixed stop body 24 of lower part retainer 25, and lower part retainer
25 (lower surfaces) are abutted with the retainer 27a of pilot bushing 20.Then, it is configured in valve shaft retainer 30 like this and most declines
In the state of position, fixation member 70 is externally embedded to by indentation, welding, deposition, bonding etc. and is fixed on the upper end of valve shaft 10 and (falls
Seat state).
Next, since above-mentioned state of taking a seat, make lower part retainer 25 and retainer pressing device 48 together relative to leading
After to bushing 20 to the rotation angle of valve opening position (for example, being counterclockwise when overlook view) rotation specified amount, by welding,
The flange shape plate 47 of valve body 40 is fixed in retainer pressing device 48 (mounting part 48b) engagement by deposition, bonding etc., and
By lower part retainer 25 and pilot bushing 20 (fixed thread portion 23) connection be secured against relative rotation (referring to Fig. 4~
Fig. 6).The fixed stop body 24 of lower part retainer 25 generates variation relative to the position of pilot bushing 20 as a result, because
Even if this is abutted in the movable stop-motion body 34 of valve shaft retainer 30 with the fixed stop body 24 of lower part retainer 25 and valve shaft is kept
When frame 30 is located at most down position, the gap of defined size is also formed between spool 14 and valve seat 46a.
In the motor-driven valve 1 of the structure, when making rotor 51 by the energization excitation to stator 52 (stator coil 52c)
When rotation, then valve shaft retainer 30 and valve shaft 10 are integrally rotated with rotor 51.At this point, passing through the fixation spiral shell by pilot bushing 20
The feed screw mechanism 28 that line portion 23 and the movable threaded portion 33 of valve shaft retainer 30 are constituted, valve shaft 10 is along with 14 liters of spool
Drop, the gap between spool 14 and valve seat 46a (lifting capacity, valve opening) increases and decreases as a result, so as to adjust the logical of the fluids such as refrigerant
Inflow-rate of water turbine.In addition, even if valve shaft retainer 30 movable stop-motion body 34 be fixed on the lower part retainer 25 of pilot bushing 20
Fixed stop body 24 abut and spool 14 is when being located at most down position, also form gap between spool 14 and valve seat 46a, because
This ensure as defined in measure pass through flow.
As described above, it in the motor-driven valve of present embodiment 1, is propped up in the circumferential in retainer pressing device 48
Hold lower part retainer 25 bearing claw 49d can flexible deformation in the circumferential, therefore for example initialized the (base of motor-driven valve
Point location) when, it is collided in the movable stop-motion body 34 for being set to valve shaft retainer 30 and is set to the fixation of lower part retainer 25 and stops
When kinetoplast 24, thus bearing claw 49d flexible deformation (flexure) in the circumferential is somebody's turn to do (circumferential) impact and is alleviated, therefore can
Efficiently reduce collision sound (initialization sound) and the mutual abrasion of stop-motion body when being initialized (basic point of motor-driven valve positions).
In addition, after the collision bearing claw 49d can be made by the elastic force (bounce) of above-mentioned bearing claw 49d
The lower part retainer 25 (fixed stop body 24) supported returns to original position or posture, therefore can ensure to pass through stream
The controlling of amount.
[second embodiment]
Fig. 7~Figure 11 shows the second embodiment of motor-driven valve of the invention.
Motor-driven valve 1 of the motor-driven valve 2 of this second embodiment relative to above-mentioned first embodiment, mainly retainer are pressed
The structure of depressor 48 is different, and other structures are roughly the same.Therefore, part corresponding with each section of first embodiment is marked
It infuses shared appended drawing reference and omits repeated explanation, hereinafter, stressing difference.
In the motor-driven valve 2 of present embodiment, other than the structure of above-mentioned first embodiment, also pressed in retainer
Device 48 be protrusively provided top exert a force pawl (top force section) 49u, the top force pawl 49u to lower part retainer 25 relative to
Pilot bushing 20 exerts a force upwards (lifting direction is upward).
In this example, above-mentioned top force pawl 49u and inserting for the exterior supporting part 48a formation in retainer pressing device 48 are embedding
Hole 48d between bearing claw 49a and bearing claw 49c and is supported adjacently (in other words, in the outer peripheral portion for inserting embedding hole 48d)
It is arranged between pawl 49b and bearing claw 49c and relative to axes O in symmetrical position (that is, circumferentially according to equiangularly spaced)
There are two.The upper end of each top force pawl 49u is abutted with the lower surface (flexibly) of lower part retainer 25, is applied by each top
The elastic force of power pawl 49u and lower part retainer 25 is above pushed away relative to pilot bushing 20.
In this way, in the motor-driven valve 2 of present embodiment, it is identical as the motor-driven valve 1 of above-mentioned first embodiment in addition to obtaining
Function and effect except, also exert a force the lower part pawl 49u retainer 25 relative to leading by being set to the top of retainer pressing device 48
It is exerted a force upwards to bushing 20, therefore pilot bushing 20 (fixed thread portion (external thread part) 23) can be excluded and stopped with lower part
Thread pitch between moving part 25 (internal thread part), can be improved the controlling by flow.
[third embodiment]
Figure 12~Figure 16 shows the third embodiment of motor-driven valve of the invention.
Motor-driven valve 1 of the motor-driven valve 3 of this third embodiment relative to above-mentioned first embodiment, mainly retainer are pressed
The structure of depressor 48 is different, and other structures are roughly the same.Therefore, part corresponding with each section of first embodiment is marked
It infuses shared appended drawing reference and omits repeated explanation, hereinafter, stressing difference.
In the motor-driven valve 3 of present embodiment, other than the structure of above-mentioned first embodiment, also pressed in retainer
Device 48 be protrusively provided lower section exert a force pawl (lower section force section) 49v, the lower section force pawl 49v to lower part retainer 25 relative to
Pilot bushing 20 exerts a force downwards (lifting direction is downward).
In this example, above-mentioned lower section force pawl 49v and inserting for the exterior supporting part 48a formation in retainer pressing device 48 are embedding
Hole 48d between bearing claw 49a and bearing claw 49c and is supported adjacently (in other words, in the outer peripheral portion for inserting embedding hole 48d)
It is arranged between pawl 49b and bearing claw 49c and relative to axes O in symmetrical position (that is, circumferentially according to equiangularly spaced)
There are two.Each lower section force pawl 49v, which has when from side (radial direction), to be rectangular-shaped and is inverted L word when circumferentially observing
The shape of shape, each lower section force pawl 49v arrive top in the outside of lower part retainer 25 from below and linearly prolong (along axes O)
Stretch, the upper end of each lower section force pawl 49v inwardly bending and abutted with the upper surface of lower part retainer 25 (flexibly), pass through
The elastic force of each lower section force pawl 49v pushes lower part retainer 25 relative to pilot bushing 20.
In this way, in the motor-driven valve 3 of present embodiment, it is identical as the motor-driven valve 1 of above-mentioned first embodiment in addition to obtaining
Function and effect, also by be set to retainer pressing device 48 lower section exert a force the lower part pawl 49v retainer 25 relative to guiding serve as a contrast
Set 20 is exerted a force downwards, therefore can exclude pilot bushing 20 (fixed thread portion (external thread part) 23) and lower part retainer
Thread pitch between 25 (internal thread parts), can be improved the controlling by flow.
[the 4th embodiment]
Figure 17~Figure 23 shows the 4th embodiment of motor-driven valve of the invention.
Motor-driven valve 1 of the motor-driven valve 4 of this 4th embodiment relative to above-mentioned first embodiment, mainly retainer are pressed
Depressor 48 is different with the structure of lower part retainer 25, and other structures are roughly the same.Therefore, to each portion with first embodiment
Divide the shared appended drawing reference of corresponding part mark and omit repeated explanation, hereinafter, stressing difference.
In the motor-driven valve 4 of present embodiment, above-mentioned lower part retainer 25 is with retainer pressing device 48 for example, by embedding
Part forming and it is integrally formed.
In detail, the installation supporting part 48a of the retainer pressing device 48 of above-mentioned first embodiment is omitted, step is had
The support foot 49f of portion 49h from the mounting part 48b (inner circumferential) of retainer pressing device 48 towards lower part retainer 25 substantially
Normal direction extends configuration, and bearing claw (supporting part) 49d (via bending section 49e) of width roughly the same with support foot 49f is perpendicular
It erecting and sets in the front end (inner end) of support foot 49f, the top of bearing claw 49d is embedded in the lower surface of lower part retainer 25,
To which lower part retainer 25 and retainer pressing device 48 are integrally formed and (are configured to a component).It is being embedded in lower part retainer 25
The upper end of bearing claw 49d be formed with the slightly wider flange part 49g of width.
In this example, above-mentioned support foot 49f and bearing claw 49d etc. is provided with around axes O (circumferential direction) according to equiangularly spaced
Three.
In other words, in the present embodiment, it is embedded in lower part retainer 25 and circumferentially supports the band of lower part retainer 25
There is the bearing claw 49d of bending section 49e via from the lower end of bearing claw 49d towards (lower part retainer 25) substantially normal side
The flange shape plate 47 of valve body 40 is fixed on to (width roughly the same with bearing claw 49d) the support foot 49f of extension.
In this way, in the motor-driven valve 4 of present embodiment, it is identical as the motor-driven valve 1 of above-mentioned first embodiment in addition to obtaining
Function and effect except, since lower part retainer 25 and retainer pressing device 48 are configured to a component, number of components and
Assembling working hour can tail off, and can simplify assembling procedure.
In addition, also existing as follows advantage in the motor-driven valve 4 of present embodiment: being pressed by suitably setting retainer
The elastic force (spring force) of depressor 48 (support foot 49f etc.) and the size of each structure member etc., can be by retainer pressing device
48 and make lower part retainer 25 relative to pilot bushing 20 by (lifting direction upward) upwards or by (lifting direction downwards
It exerts a force downwards), therefore same as second, third above-mentioned embodiment, capable of excluding pilot bushing 20, (fixed thread portion is (outer
Threaded portion) 23) thread pitch lower part retainer 25 (internal thread part) between, it can be improved the controlling by flow.
In addition, in the above-described embodiment, being located at most down position (in general, in full-shut position) about in spool 14
When, the gap (that is, spool 14 is not seated at valve seat 46a) of defined size is formed between spool 14 and valve seat 46a without valve closing
The motor-driven valve of type is illustrated, but for example valve land in the type of valve seat motor-driven valve (for example, referring to Japanese Unexamined Patent Publication
2011-208716 bulletin etc.) in, using retainer pressing device (pressing component) same as described above by lower part retainer with
Pilot bushing (fixed thread portion) is connected to be unable to relative rotation in the case where, can also obtain effect effect same as described above
Fruit, this is obviously not necessarily to be described in detail.
Claims (12)
1. a kind of motor-driven valve, comprising:
Valve shaft, the valve shaft are provided with spool；
Pilot bushing, the valve shaft can relatively move in the axial direction and interior with the relative rotation can insert in the pilot bushing；
Valve body, which has the valve port with valve seat, and is mounted with the pilot bushing；
Valve shaft retainer, the valve shaft retainer and the valve shaft link；
Motor, the motor have the rotor and stator for rotating the valve shaft retainer relative to the pilot bushing；
Feed screw mechanism, the feed screw mechanism make the spool relative to institute for the rotation driving based on the rotor
Valve seat lifting is stated, and is arranged between the pilot bushing and the valve shaft retainer；
Lower part stop mechanism, the rotation which is used to limit the valve shaft retainer move down, and have setting
In the valve shaft retainer movable stop-motion body and be set to the pilot bushing installation lower part retainer fixed stop
Body；And
Pressing component, the pressing component prevent relative movement of the lower part retainer relative to the pilot bushing,
Pressing component setting is provided with supporting part, which supports the lower part retainer, and energy in the circumferential
Enough flexible deformations in the circumferential.
2. motor-driven valve according to claim 1, which is characterized in that
There is defined radius when the supporting part is provided with bending section, which is formed as observing radially.
3. motor-driven valve according to claim 1 or 2, which is characterized in that
The supporting part is opposite with the side of valve closing direction side of the lower part retainer and supports the lower part in the circumferential and stops
Moving part.
4. motor-driven valve according to claim 1 or 2, which is characterized in that
The supporting part is embedded in the lower part retainer and supports the lower part retainer in the circumferential.
5. motor-driven valve according to any one of claim 1 to 4, which is characterized in that
It is configured with support foot in the supporting part, which extends from the supporting part towards normal direction.
6. motor-driven valve according to any one of claim 1 to 5, which is characterized in that
The pressing component and the lower part retainer are configured to a component.
7. motor-driven valve according to claim 6, which is characterized in that
The pressing component becomes one by welding, deposition, bonding, riveting or insert part forming with the lower part retainer
Body.
8. motor-driven valve according to any one of claim 1 to 7, which is characterized in that
The lower part retainer is set to be exerted a force upwards relative to the pilot bushing by the pressing component.
9. motor-driven valve according to claim 8, which is characterized in that
The pressing component be provided with top force section, the top force section abutted with the lower surface of the lower part retainer and
The lower part retainer is above pushed away.
10. motor-driven valve according to any one of claim 1 to 7, which is characterized in that
The lower part retainer is set to be exerted a force downwards relative to the pilot bushing by the pressing component.
11. motor-driven valve according to claim 10, which is characterized in that
The pressing component be provided with lower section force section, the lower section force section abutted with the upper surface of the lower part retainer and
The lower part retainer is pushed.
12. motor-driven valve according to any one of claim 1 to 11, which is characterized in that
The stator arrangement is in the outside of the shell of the tubular engaged with the valve body, and the rotor configuration is in the shell
Inside is simultaneously connected to and can rotate integrally with the valve shaft retainer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-012343 | 2018-01-29 | ||
| JP2018012343A JP6684837B2 (en) | 2018-01-29 | 2018-01-29 | Motorized valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094519A true CN110094519A (en) | 2019-08-06 |
| CN110094519B CN110094519B (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621168.9A Active CN110094519B (en) | 2018-01-29 | 2018-12-28 | Electric valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6684837B2 (en) |
| CN (1) | CN110094519B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218003A (en) * | 2021-04-16 | 2022-10-21 | 浙江三花汽车零部件有限公司 | Control valve and method for manufacturing the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101063A (en) * | 2006-07-03 | 2008-01-09 | 株式会社不二工机 | Electric valve |
| CN101178129A (en) * | 2006-11-08 | 2008-05-14 | 株式会社不二工机 | Flow control valve |
| CN101338835A (en) * | 2007-07-03 | 2009-01-07 | 株式会社不二工机 | Electric valve and cooling/warming system |
| CN106168292A (en) * | 2015-05-20 | 2016-11-30 | 株式会社不二工机 | Electrodynamic valve and assemble method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5389498B2 (en) * | 2009-03-30 | 2014-01-15 | 株式会社不二工機 | Motorized valve |
-
2018
- 2018-01-29 JP JP2018012343A patent/JP6684837B2/en active Active
- 2018-12-28 CN CN201811621168.9A patent/CN110094519B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101063A (en) * | 2006-07-03 | 2008-01-09 | 株式会社不二工机 | Electric valve |
| CN101178129A (en) * | 2006-11-08 | 2008-05-14 | 株式会社不二工机 | Flow control valve |
| CN101338835A (en) * | 2007-07-03 | 2009-01-07 | 株式会社不二工机 | Electric valve and cooling/warming system |
| CN106168292A (en) * | 2015-05-20 | 2016-11-30 | 株式会社不二工机 | Electrodynamic valve and assemble method thereof |
| JP2016217451A (en) * | 2015-05-20 | 2016-12-22 | 株式会社不二工機 | Motor valve and assembly method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019132286A (en) | 2019-08-08 |
| JP6684837B2 (en) | 2020-04-22 |
| CN110094519B (en) | 2022-07-08 |
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