CN108343750A - Motor-driven valve and refrigerating circulation system - Google Patents
Motor-driven valve and refrigerating circulation system Download PDFInfo
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- CN108343750A CN108343750A CN201711474527.8A CN201711474527A CN108343750A CN 108343750 A CN108343750 A CN 108343750A CN 201711474527 A CN201711474527 A CN 201711474527A CN 108343750 A CN108343750 A CN 108343750A
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- circumferentia
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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
- F16K1/02—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 with screw-spindle
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Valve Housings (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A kind of motor-driven valve of present invention offer and refrigerating circulation system, motor-driven valve (100) relative to valve casing (1) assembly support member (2) and closed shell (3) by forming, by the fixation metalwork (23) of support member and closed shell relative to valve casing with eliminating failure welding reliable welding.In the week setting stage portion (11) of the open end of valve casing.Stage portion is made of the second circumferentia (11b) of the first circumferentia (11a) of inside and outside.The inside that metalwork (23) is configured at the second circumferentia (11b) will be fixed, lip portions (232) is made to be connected to the first circumferentia (11a).Weld the week of the first circumferentia (11a) and the abutment portion of lip portions (232).The second circumferentia (11b) is set to be connected to the open end of the lower end of closed shell.Weld the week of the second circumferentia (11b) and the abutment portion of the open end of closed shell.Relative to valve casing (valve body), the different position welding support members and closed shell in the direction axis (L).
Description
Technical field
The present invention relates to the motor-driven valves and refrigerating circulation system for refrigerating circulation system etc..
Background technology
In the past, it was fed via screw thread using the rotation of the magnet rotor and armature spindle of stepper motor as this motor-driven valve
Mechanism makes armature spindle and valve member work, and valve port is opened and closed by valve member.In addition, having the support portion of support armature spindle
Part.Such motor-driven valve is for example disclosed in No. 5395775 bulletins (patent document 1) of Japanese Patent No..
In addition, the existing motor-driven valve needs the flow path of enclosed fluid, in the circle for being formed together airtight construction with valve body
It is accommodated with motor part magnet rotor in the closed shell (shell) of barrel shape.Moreover, the valve body and closed shell pass through welding
Deng by closed fixation.In addition, the armature spindle in stepper motor forms external thread part, make external thread part and the internal thread of support member
Portion is screwed, to which armature spindle supported member supports.Moreover, support member and closed shell are assemblied in valve casing (valve body)
Top.
Existing technical literature
Patent document
Patent document 1：No. 5395775 bulletins of Japanese Patent No.
Invention content
Problems to be solved by the invention
It, first will branch when support member and closed shell are assemblied in valve casing in the technology of above-mentioned patent document 1
Support part part is embedded in the open end of valve casing, and the periphery of fixed metalwork and the open end of valve casing is fixed by welding.
Then, the open end by closed shell relative to valve casing is fixed by welding.
In this way, in existing technology, the identical end face of the open end relative to valve casing is generally consolidated by welding
Determine support member and closed shell, accordingly, there exist problems with.The fixation metalwork of support member is first welded in the opening of valve casing
The end face of end, therefore when assembling closed shell, the melting and solidification portion because of caused by welding (welding bead portion) of fixed metalwork
It is formed in the end face of the open end of valve casing.Therefore, closed shell and the interference of melting and solidification portion sometimes, there are closed shell dislocation
Or the case where generating failure welding.
Problem of the present invention is that providing a kind of motor-driven valve, relative to valve body, armature spindle is supported on axis by assembly
Support member and the closed shell of storage magnet rotor form, the motor-driven valve is by the fixation metalwork and closed housing of support member
Body is relative to valve body there is no failure welding reliable welding.
Solution for solving the problem
Scheme 1 is a kind of motor-driven valve, is that support member and cylindrical shape and metal closed shell are assemblied in circle
Motor-driven valve made of barrel shape and metal valve body, wherein the valve body be built-in with through the magnet rotor of motor part and
The rotation of armature spindle and above-mentioned armature spindle is supported on axis by the valve member to work, the support member, the closed shell storage
Above-mentioned magnet rotor, said electric valve be characterized in that, above-mentioned support member has a fixed metalwork, the fixation metalwork around
The periphery of above-mentioned axis formed to the direction of axis vertical take-off raised face outstanding, above-mentioned valve body be fitted into above-mentioned support
The open end of component has the first circumferentia of the inside being located in the face with above-mentioned axis vertical take-off around above-mentioned axis, and around upper
The week for stating axis has and is located at the second circumferentia with the outside in the face of above-mentioned axis vertical take-off, and first circumferentia and
Second circumferentia is constituted stage portion in such a way that the position in the direction of above-mentioned axis is different, welds above-mentioned the of above-mentioned valve body
The abutment portion of one circumferentia and the above-mentioned fixed metalwork of above-mentioned support member, and weld above-mentioned the second of above-mentioned valve body
The abutment portion of circumferentia and the open end of above-mentioned closed shell.
The motor-driven valve that scheme 2 is recorded according to scheme 1, which is characterized in that above-mentioned fixed metalwork has rushing by sheet metal
Pressure processing and the turned-down edge face generated, the back side of turned-down edge face be connected to above-mentioned first circumferentia, and welding is abutted
Part.
The motor-driven valve that scheme 3 is recorded according to scheme 2, which is characterized in that above-mentioned fixed metalwork relative to above-mentioned axis
Orthogonal face is in asymmetrical shape.
The motor-driven valve that scheme 4 is carried according to scheme 4, which is characterized in that above-mentioned support member, which has, is pressed into above-mentioned valve body
The base portion of resin in above-mentioned open end, above-mentioned fixed metalwork are configured to have：Cylinder centered on above-mentioned axis
The edge of shape；And lip portions, the periphery at above-mentioned edge formed to the direction of axis L-orthogonal raised face outstanding, on
Configured in above-mentioned base portion in a manner of the inside that fixed metalwork is stated to make above-mentioned edge be in above-mentioned valve body, and with above-mentioned base
Portion's embedded forming together.
Scheme 5 is a kind of refrigerating circulation system, including compressor, condenser, expansion valve and evaporator, above-mentioned freezing follows
Loop system is characterized in that the motor-driven valve described in any one of operational version 1 to 4 is as above-mentioned expansion valve.
Invention effect
It is welded and fixed according to the motor-driven valve of scheme 1 to 4 when assembling support member and closed shell relative to valve body
The position of first circumferentia of metalwork is different with the position of the axis direction of the second circumferentia for welding closed shell, because
This, when welding closed shell, melting and solidification portion will not interfere with closed shell, can reliably weld the closed shell.
According to the motor-driven valve of scheme 2, the burr face that when punch process of fixed metalwork generates is connected to valve body
First circumferentia is simultaneously welded, and therefore, when welding, there is no such gaps when being abutted with turned-down edge face, therefore is eliminated when welding
Fusing, intensity is insufficient, obtain stable weldability.
According to the motor-driven valve of scheme 3, fixed metalwork is relative to being in asymmetrical shape with the face of axis vertical take-off, therefore,
It is turned over inaccessiable metal die construction by fixing metalwork when the embedded forming of making support member, to burr face
It must be connected to the first circumferentia of valve body, therefore stable weldability can be obtained, and the area without carrying out the table back side
It is allocated as industry, assembling improves.
According to the motor-driven valve of scheme 4, the edge of fixed metalwork is configured to be in valve body in the base portion of support member
Inside, therefore even if generate stress relative to base portion when the base portion of support member to be pressed into the open end of valve body
The deformation that the aperture surface of base portion can be prevented by the booster action at edge, base portion aperture surface slide vavle shelf movement not
It can be deteriorated, the variation of valve operability can be prevented.
According to the refrigerating circulation system of scheme 5, effect identical with scheme 1 to 4 can be obtained.
Description of the drawings
Fig. 1 is the longitudinal section view of the motor-driven valve of the first embodiment of the present invention.
Fig. 2 is the sectional view and enlarged partial sectional view of the fixation metalwork of the motor-driven valve of first embodiment.
Fig. 3 is the section view of the assembled portion of the valve casing of the motor-driven valve of first embodiment, support member and closed shell
Figure.
Fig. 4 is the section view of the assembled portion of the valve casing of the motor-driven valve of second embodiment, support member and closed shell
Figure.
Fig. 5 is the figure for the refrigerating circulation system for indicating embodiment.
In figure：
1-valve casing (valve body), 11-stage portions, the first circumferentias of 11a-, the second circumferentias of 11b-, 101-the first
Junction block, the 102-the second junction block, 103-seat rings, 103a-valve port, 2-support members, 21-frame portions, the interior spiral shells of 21a-
Line portion, 22-base portions, 23-fixed metalworks, 231-edges, 232-lip portions, A-turned-down edge face, B-burr face,
3-closed shells, 4-vavle shelves, 5-needle-valves (valve member), 6-stepper motors (motor part), 61-armature spindles, the outer spiral shells of 61a-
Line portion, 62-magnet rotors, 63-stator coils, P-melting and solidification portion, Q-melting and solidification portion, 1 '-valve casing (valve body),
12-stage portions, the first circumferentias of 12a-, the second circumferentias of 12b-, 23 '-fixed metalworks, 232 '-lip portions, 3 '-
Closed shell, P '-melting and solidifications portion, Q '-melting and solidifications portion, L-axis, 100-motor-driven valves (expansion valve), 200-is outdoor
Heat exchanger, 300-indoor heat exchangers, 400-flow channel switching valves, 500-compressors.
Specific implementation mode
Next, with reference to attached drawing, the embodiment of motor-driven valve and refrigerating circulation system to the present invention illustrates.Fig. 1
It is the longitudinal section view of the motor-driven valve of first embodiment, Fig. 2 is the section view of the fixation metalwork of the motor-driven valve of first embodiment
Figure and enlarged partial sectional view, Fig. 3 be the valve casing of the motor-driven valve of first embodiment, support member and closed shell department of assembly
The sectional view divided.In addition, the concept of " upper and lower " in the following description with it is corresponding up and down in the drawing of Fig. 1.
The motor-driven valve 100 have the valve casing 1 as " valve body ", support member 2, closed shell 3, vavle shelf 4, as " valve
The needle-valve 5 of component " and stepper motor 6 as " motor part ".
Valve casing 1 is formed by the generally cylindrical shape such as stainless steel, has valve chamber 1R on the inside of it.In the outer Monday of valve casing 1
Side connects the first junction block 101 be connected with valve chamber 1R, and is connected with second in the cylindrical portion extended downwards from lower end and connects
Head tube 102.In addition, being fitted into the sides valve chamber 1R of the second junction block 102 has seat ring 103.The inside of seat ring 103 becomes valve port
103a, the second junction block 102 are connected via valve port 103a with valve chamber 1R.In addition, the first junction block 101, the second junction block 102 with
And seat ring 103 is fixed by welding etc. relative to valve casing 1.
Support member 2 is with central frame portion 21, the thicker base portion 22 of the periphery in this portion 21 and aftermentioned fixation
Metalwork 23, fixed metalwork 23 are set along integrally by embedded forming with frame portion 21 and base portion 22.Metal is fixed as a result,
Part 23 is protrusively provided in the periphery of the axis L around support member 2.Moreover, as be described hereinafter, support member 2 is via fixed metal
Part 23 is by being fixedly welded on the upper end of valve casing 1.It is centrally formed with the internal thread part 21a coaxial with axis L in frame portion 21
And its threaded hole, and it is formed with the pilot hole 21b of the diameter cylindrical shape bigger than the threaded hole of internal thread part 21a.
Closed shell 3 is formed as the substantially cylindrical shape of upper end blocking, by and it is airtightly solid by welding as be described hereinafter
Due to the upper end of valve casing 1.Guide part 31 is arranged in top in closed shell 3, and is equipped with rotation in the periphery for being oriented to 31 and limits
Position mechanism 32.
Vavle shelf 4 is the component of cylindrical shape, is embedded in the pilot hole 21b of support member 2, and being arranged to can be in axis
The side's L upward sliding.Moreover, being fixed with needle-valve 5 in the lower end of vavle shelf 4.In vavle shelf 4, spring base 41 is with can be in the axis side L
The mode moved up is arranged, and compact disk is equipped with the state for being endowed scheduled load between spring base 41 and needle-valve 5
Spring 42.
Stepper motor 6 include armature spindle 61, can rotatably be disposed in closed shell 3 inside magnet rotor 62,
The periphery of closed shell 3 stator coil 63 arranged opposite relative to magnet rotor 62 and other yokes (not shown), outside
Build-up member etc..Armature spindle 61 is installed on the center of magnet rotor 62, which is extended to 2 side of support member.
The periphery of 2 side of support member of armature spindle 61 is formed with external thread part 61a, the internal thread of external thread part 61a and support member 2
Portion 21a is screwed.Moreover, in the pilot hole 21b of support member 2, the upper end of vavle shelf 4 is sticked in the lower end of armature spindle 61
The state that portion, vavle shelf 4 and needle-valve 5 can rotatably be hung by the support of armature spindle 61.In addition, the upper end rotation of armature spindle 61
It is embedded in freely in the guide part 31 in closed shell 3.
According to above structure, magnet rotor 62 and armature spindle 61 are rotated by the driving of stepper motor 6, pass through rotor
The feed screw mechanism of the external thread part 61a of axis 61 and the internal thread part 21a of support member 2, armature spindle 61 is in the direction of the axisl
It is mobile.Then, valve member 5 moves in the direction of the axisl, relative to 103 proximity of seat ring or separate.It is opened and closed valve port as a result,
103a, control flow to the second junction block 102 from the first junction block 101 or flow to the first junction block from the second junction block 102
The flow of 101 refrigerant.In addition, the upper and lower rotation position of magnet rotor 62 is limited by rotary position-limit mechanism 32.
In this way, motor-driven valve 100 is following motor-driven valve：Turn relative to the magnetism being built-in with through stepper motor 6 (motor part)
The rotation of son 62 and armature spindle 61 and the metal valve casing 1 (valve body) of the cylindrical shape of needle-valve 5 (valve member) to work, dress
Cylindrical shape with the support member 2 that supports armature spindle 61 on axis L and storage magnet rotor 62 and metal closed
Motor-driven valve made of shell 3.
As shown in Fig. 2, fixed metalwork 23 is formed by the punch process of the sheet metal of stainless steel, it is provided integrally with：
Cylindric edge 231 centered on axis L；And it is formed to prominent with the direction of axis L-orthogonal in the periphery at edge 231
Raised face lip portions 232.As shown in the partial enlarged view of Fig. 2 surrounded with dashdotted circle, in the periphery of lip portions 232
And the end of the side opposite with edge 231 is formed with the turned-down edge face A generated by punch process.In addition, in fixation gold
In the state of belonging to before the welding of part 23, it is formed with by punch process and generates in the end of the side opposite with turned-down edge face A
Burr face B.The burr face B generated by punch process implements burr processing after punch process, therefore, in the burr face
Burr is not present in portion B.In addition, being welded and fixed metalwork 23 in burr face part B.
As shown in Figures 1 and 3, the base portion 22 of support member 2 is pressed into the open end for the upper end for being embedded in valve casing 1.Gu
Determine metalwork 23 in the base portion 22 of support member 2, the mode that edge 231 becomes the sides valve chamber 1R of valve casing 1 configures, and with this
The embedded forming together of base portion 22.In addition, valve casing 1 has stage portion 11 in the open end of the base portion 22 of chimeric support member 2.It should
Stage portion 11 have be located in the week around axis L with the first circumferentia 11a of the inside in the face of axis L-orthogonal and
The second circumferentia 11b in outside.The first circumferentia 11a and the second circumferentia 11b is different in the position in the directions axis L.At this
In first embodiment, the second circumferentia 11b is formed in the lower position in the directions axis L compared to the first circumferentia 11a.In addition,
In figures 1 and 3, the vertical section of valve casing 1 and closed shell 3 is shown, but the valve casing 1 is in addition to being fitted into the first junction block 101
Hole outside, be the shape around axis L rotational symmetry.In addition, the cylindrical portion of 1 side of valve casing of closed shell 3 is rotated around axis L
Symmetrical shape.
The fixation metalwork 23 of support member 2 is configured at the inside of the second circumferentia 11b, is abutted in the first circumferentia 11a
There are the lip portions 232 of fixed metalwork 23.Moreover, to the week of the abutment portions of the first circumferentia 11a and lip portions 232 into
Row welding, melting and solidification portion P is formed in its week.Support member 2 is fixed on valve casing 1 as a result,.In addition, under closed shell 3
The open end at end is connected to the second circumferentia 11b.Moreover, to the second circumferentia 11b and the open end of closed shell 3
The week of abutment portion is welded, and melting and solidification portion Q is formed in its week.Closed shell 3 is fixed on valve casing 1 as a result,.
In this way, when assembling support member 2 and closed shell 3 relative to valve casing 1 (valve body), it is welded and fixed metalwork 23
The position of (lip portions 232) becomes the higher position in the directions axis L compared to the second circumferentia 11b.Therefore, in welding closed shell
When 3, melting and solidification portion P will not interfere with closed shell 3, can reliably weld the closed shell 3.
In addition, fixed metalwork 23 is so that the above-mentioned burr face B of lip portions 232 is connected to the first circumferentia of valve casing 1
The mode of 11a is welded.If it is assumed that being intended to weld in a manner of making turned-down edge face abut, there is gap, weldability is unstable, therefore
Easy to produce failure welding.But the burr face B of lip portions 232 is connected to the first circumferentia 11a in embodiment, eliminates
Such gap when being abutted with turned-down edge face A is soldered dimensionally stable.Therefore, as long as being welded on the line of abutting,
So can eliminate, fusing when welding, intensity is insufficient, obtains stable weldability.
In addition, fixed metalwork 23 only has edge 231 in side.Both, fixed metalwork had is added by the punching press of sheet metal
Work and the turned-down edge face A generated, and relative to being asymmetrical shape with the face of axis L-orthogonal.Therefore, it is being supported by making
It fixes metalwork 23 when the embedded forming of component 2 to turn over inaccessiable metal die construction, to which burr face must abut
In the first circumferentia of valve body, therefore stable weldability can be arrived, and the difference operation without carrying out the table back side, assembly
Property improve.
In addition, the edge 231 of fixed metalwork 23 is located at the sides valve chamber 1R of valve casing 1 in the base portion 22 of support member 2, because
Even if base portion 22 is pressed into the open end of valve casing 1 by this, by the pressure, from the open end of valve casing 1 to the radius side of axis L
To (inside) generation stress, the deformation of the aperture surface of base portion 22 can be also prevented by the booster action at edge 231.Therefore, exist
The movement of the vavle shelf 4 of the aperture surface sliding of base portion 22 will not be deteriorated, and valve operability can be prevented to be deteriorated.
Fig. 4 is the section view of the assembled portion of the valve casing of the motor-driven valve of second embodiment, support member and closed shell
Figure.The difference of the second embodiment and first embodiment is, the open end of valve casing, fixed metalwork outer diameter and
The height of closed shell.It is other construction it is identical with Fig. 1, to unit same as the first embodiment and corresponding unit mark and
The identical symbols of Fig. 1 to Fig. 3, and the repetitive description thereof will be omitted and the diagram of overall construction.
The valve casing 1 ' of the second embodiment has stage portion 12 in the open end of chimeric base portion 22.The stage portion 12 has
There is second be located in the week around axis L with the first circumferentia 12a of the inside in the face of axis L-orthogonal and outside
Circumferentia 12b.The position in the directions axis L of the first circumferentia 12a and the second circumferentia 12b is different.In second embodiment party
In formula, the second circumferentia 12b is formed in the higher position in the directions axis L compared to the first circumferentia 12a.The second embodiment
Valve casing 1 ' and the other major parts same as the first embodiment of closed shell 3 ' be around axis L rotational symmetry shape.
The fixation metalwork 23 ' of support member 2 is configured at the inside of the second circumferentia 12b, is abutted in the first circumferentia 12a
There are the lip portions 232 ' of fixed metalwork 23 '.Then, the first circumferentia 12a and the abutment portion of lip portions 232 ' are welded
Week is formed with melting and solidification portion P ' in its week.Support member 2 is fixed on valve casing 1 ' as a result,.In addition, closed shell 3 '
The open end of lower end is connected to the second circumferentia 12b.Then, the opening of the second circumferentia 12b and closed shell 3 ' are welded
The week of the abutment portion of end is formed with melting and solidification portion Q ' in its week.Closed shell 3 ' is fixed on valve casing 1 ' as a result,.
In this way, in second embodiment, when assembling support member 2 and closed shell 3 relative to valve casing 1 (valve body),
Be welded and fixed the position of metalwork 23 ' (lip portions 232 ') becomes the lower position in the directions axis L compared to the second circumferentia 12b.
Therefore, when welding closed shell 3 ', melting and solidification portion P ' will not interfere with closed shell 3 ', can reliably weld the closed housing
Body 3 '.
Fig. 5 is the figure for the refrigerating circulation system for indicating embodiment.In figure, symbol 100 is the present invention for constituting expansion valve
Embodiment motor-driven valve, symbol 200 is mounted in the outdoor heat exchanger of outdoor unit, and symbol 300 is mounted in interior
The indoor heat exchanger of unit, symbol 400 are the flow channel switching valves for constituting four-way valve, and symbol 500 is compressor.Motor-driven valve 100,
Outdoor heat exchanger 200, indoor heat exchanger 300, flow channel switching valve 400 and compressor 500 are as shown by conduit respectively
It connects like that, constitutes the freeze cycle of heat-pump-type.In addition, the illustration is omitted for liquid storage device, pressure sensor, temperature sensor etc..
Stream when flow path when the flow path of freeze cycle switches to refrigeration operation by flow channel switching valve 400 and heating operation
This two, road.When refrigeration operation, as shown in solid arrow in figure, the refrigerant being had compressed by compressor 500 switches from flow path
400 inflow outdoor heat exchanger 200 of valve, which plays the function of condenser, from outdoor heat exchanger 200
The liquid refrigerant of outflow plays evaporator via 100 inflow indoor heat exchanger 300 of motor-driven valve, the indoor heat exchanger 300
Function.
On the other hand, in heating operation, as indicated by a dashed arrow in the figure, the refrigerant being had compressed by compressor 500
With from flow channel switching valve 400 to indoor heat exchanger 300, motor-driven valve 100, outdoor heat exchanger 200, flow channel switching valve 400, with
And the sequence cycle of compressor 500, indoor heat exchanger 300 play the function of condenser, outdoor heat exchanger 200 plays evaporation
The function of device.Motor-driven valve 100 is by the liquid refrigerant flowed into from outdoor heat exchanger 200 when refrigeration operation or heating operation
When from indoor heat exchanger 300 flow into liquid refrigerant distinguish decompression expansion, further control the flow of the refrigerant.
In the explanation of embodiments of the present invention, the above-mentioned circumferentia of fixed metalwork and main body is welded as full weldering
It connects, but is not limited to full welding, or local welding.
More than, embodiments of the present invention are described in detail with reference to attached drawing, but specific structure is not limited to this
A little embodiments, the change etc. for not departing from the design of the range of the purport of the present invention also belong to the present invention.
Claims (5)
- It is that support member and cylindrical shape and metal closed shell are assemblied in cylindrical shape and gold 1. a kind of motor-driven valve Belong to motor-driven valve made of the valve body of system, wherein the valve body is built-in with the rotation of the magnet rotor and armature spindle by motor part Then above-mentioned armature spindle is supported on axis by the valve member of work, the support member, above-mentioned magnetic turn of closed shell storage Son,Said electric valve is characterized in that,Above-mentioned support member has a fixed metalwork, the fixation metalwork around the periphery of above-mentioned axis formed to the axis just The direction raised face outstanding of friendship,Have around above-mentioned axis in the open end for being fitted into above-mentioned support member of above-mentioned valve body and is located at and above-mentioned axis vertical take-off Face in inside the first circumferentia, and there is the outside being located in face with above-mentioned axis vertical take-off around the week of above-mentioned axis The second circumferentia, and first circumferentia with second circumferentia structure in such a way that the position in the direction of above-mentioned axis is different At stage portion,The abutment portion of above-mentioned first circumferentia of above-mentioned valve body and the above-mentioned fixed metalwork of above-mentioned support member is welded, and And the abutment portion of above-mentioned second circumferentia and the open end of above-mentioned closed shell of the above-mentioned valve body of welding.
- 2. motor-driven valve according to claim 1, which is characterized in thatThere is above-mentioned fixed metalwork the turned-down edge face generated by the punch process of sheet metal, the back side of turned-down edge face to support It is connected to above-mentioned first circumferentia, and welds abutted part.
- 3. motor-driven valve according to claim 2, which is characterized in thatAbove-mentioned fixed metalwork relative to the face of above-mentioned axis vertical take-off be in asymmetrical shape.
- 4. motor-driven valve according to claim 3, which is characterized in thatAbove-mentioned support member has the base portion for the resin being pressed into the above-mentioned open end of above-mentioned valve body,Above-mentioned fixed metalwork is configured to have：Cylindric edge centered on above-mentioned axis；And lip portions, upper State edge periphery formed to the direction of axis L-orthogonal raised face outstanding,Above-mentioned fixed metalwork is configured in a manner of so that above-mentioned edge is in the inside of above-mentioned valve body in above-mentioned base portion, and with The embedded forming together of above-mentioned base portion.
- 5. a kind of refrigerating circulation system, it includes compressor, condenser, expansion valve and evaporator,Above-mentioned refrigerating circulation system is characterized in that,Using the motor-driven valve described in any one of any one of claims 1 to 44 as above-mentioned expansion valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017010882A JP6753789B2 (en) | 2017-01-25 | 2017-01-25 | Solenoid valve and refrigeration cycle system |
| JP2017-010882 | 2017-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108343750A true CN108343750A (en) | 2018-07-31 |
| CN108343750B CN108343750B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711474527.8A Active CN108343750B (en) | 2017-01-25 | 2017-12-29 | Electric valve and refrigeration cycle system |
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| Country | Link |
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| JP (1) | JP6753789B2 (en) |
| CN (1) | CN108343750B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443667A (en) * | 2019-09-03 | 2021-03-05 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114688265A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
Families Citing this family (2)
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| KR20220020403A (en) * | 2018-08-17 | 2022-02-18 | 제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드 | Electronic expansion valve |
| JP7106154B2 (en) * | 2020-05-27 | 2022-07-26 | 株式会社不二工機 | electric valve |
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| CN114688265A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114688265B (en) * | 2019-03-05 | 2024-06-21 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN112443667A (en) * | 2019-09-03 | 2021-03-05 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN112443667B (en) * | 2019-09-03 | 2022-08-30 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108343750B (en) | 2020-07-24 |
| JP2018119595A (en) | 2018-08-02 |
| JP6753789B2 (en) | 2020-09-09 |
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