CN110230706A - A kind of executive module of electric expansion valve - Google Patents
A kind of executive module of electric expansion valve Download PDFInfo
- Publication number
- CN110230706A CN110230706A CN201910617486.6A CN201910617486A CN110230706A CN 110230706 A CN110230706 A CN 110230706A CN 201910617486 A CN201910617486 A CN 201910617486A CN 110230706 A CN110230706 A CN 110230706A
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- CN
- China
- Prior art keywords
- valve
- post holes
- electric expansion
- executive module
- expansion valve
- Prior art date
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- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
- F16H25/2209—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with arrangements for taking up backlash
-
- 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
-
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of executive module of electric expansion valve, the executive module of the electric expansion valve, including valve seat, the valve seat top are equipped with ring flange, link together above the ring flange with disrance sleeve;The executive module further includes valve rod, is mounted on the guide sleeve on the valve seat by the valve rod, the guide sleeve is embedded in the valve seat by the mesoporous of ring flange;The executive module includes internal magnetic ring, and the internal magnetic ring is inserted in the valve rod by the mesoporous on the internal magnetic ring;The executive module, including rolling screw, the rolling screw are embedded in the first post holes on the valve rod, and the rolling screw is fixed in the disrance sleeve.Through the invention, which has the characteristics that low cost, flow control accuracy are high, frictional resistance is small.
Description
Technical field
The present invention relates to a kind of executive module of electric expansion valve, frictions high more particularly, to a kind of flow control accuracy
The small executive module of resistance.
Background technique
Electric expansion valve is the important component in cooling/heating system, is mainly used for that the flow of fluid is adjusted.Mesh
The structure of executive module used by preceding electric expansion valve in the market is substantially the same, is all thread screw structure.By
There must be certain gap between screw thread and screw rod, otherwise can lead to electric expansion valve card because of thread screw gapless
It is stagnant.Simultaneously as the axial gap between thread screw, will lead to executive module and moves up and down, to further result in fluid
Instability of flow.
Secondly as thread screw mechanism in rotary course, if thread screw is rough, will lead to rotation
In the process, the frictional force between thread screw increases.If improving the surface gloss of thread screw, need to put into accurate add
Construction equipment will lead to processing cost increase in this way.
Summary of the invention
Present invention purpose to be achieved is to provide a kind of executive module of electric expansion valve, more particularly, to a kind of flow
Control the executive module that precision is high, frictional resistance is small.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of executive module of electric expansion valve, including
Valve seat, the valve seat top are equipped with ring flange, link together above the ring flange with disrance sleeve;The executive module is also
Including valve rod, the guide sleeve on the valve seat is mounted on by the valve rod, the guide sleeve passes through described in the mesoporous insertion of ring flange
In valve seat;The executive module includes internal magnetic ring, and the internal magnetic ring is inserted in the valve rod by the mesoporous on the internal magnetic ring;
The executive module, including rolling screw, the rolling screw are embedded in the first post holes on the valve rod, the rolling screw
It is fixed in the disrance sleeve.
The present invention is done and is further arranged, the ring flange is equipped with disk, the disk upper surface formed with it is described every
The step circles to match from casing.
The present invention is done and is further arranged, the valve seat is equipped with annular through groove, is equipped with and institute above the annular through groove
The flange step of disk matching is stated, is equipped with the circular groove to match with the guide sleeve outer diameter below the annular through groove.
The present invention is done and is further arranged, forms match with the valve rod, leading up and down inside the guide sleeve
Hole forms the step to match with the ring flange mesoporous on the outer wall on the guide hole top;The guide sleeve lower part is equipped with and valve circle
The seal groove of matching is axially connected below the guide hole with the seal groove;The guide sleeve is equipped with rectangular from outer wall to inner wall
Valve port, the rectangular valve port are laterally connected with the guide hole lower part, the seal groove;The quantity of the rectangular valve port is 1 pair~6
It is right, it is uniformly distributed;The hole 0.05~0.1mm less than normal than the guide hole is formed inside the valve circle, the material of the valve circle is metal
Or high temperature resistant, corrosion-resistant, wriggling slope very little high polymeric compound.
The present invention is done and is further arranged, the valve rod axial inner is equipped with the second post holes, second post holes and institute
It states the first post holes to be axially connected, and second post holes is in the lower section of first post holes, the interior boring ratio institute of second post holes
It is small to state the first post holes;Lateral annular groove is formed at the lower part of second post holes, and the quantity of the lateral annular groove is the (packet within 6
Include 6), a pair of or two pairs or three pairs or four pairs the second transverse side holes are formed at the top of second post holes;Institute
The top for stating the second transverse side holes forms the positioning step column to match with the internal magnetic ring, the height of the positioning step column and institute
It is identical for stating the height of the first post holes, or more higher than the height of first post holes;The top of the positioning step column is set
There are a pair of first transverse side holes;First post holes and second post holes are first post holes and described up and down
First transverse side holes communicate, and second post holes and second transverse side holes communicate.
The present invention is done and is further arranged, the internal magnetic ring mesoporous is through-hole, and the internal magnetic ring passes through the internal magnetic ring
Mesoporous is inserted in the positioning step column;The swivel nut slot to match with swivel nut outer diameter and height, institute are equipped with above the internal magnetic ring mesoporous
It states internal magnetic ring mesoporous and the guide groove bigger than normal than the valve rod outer diameter is arranged below.
The present invention is done and is further arranged, the rolling screw is equipped with helicla flute, and the helicla flute is embedded in the valve rod
On the first post holes in.
The present invention is done and is further arranged, the helicla flute and a pair of small steel ball are tangent;Above the helicla flute
It is additionally provided with spiral shell handle.
The present invention is done and is further arranged, forms the welding hole to match with the spiral shell handle, institute above the disrance sleeve
The position for stating spiral shell handle is higher than the welding hole, and the spiral shell handle and the welding hole are to be fixed together and the spiral shell handle and the weldering
Hole is connect not leak outside.
The present invention is done and is further arranged, the swivel nut and the positioning step column are close-fittings, the swivel nut inner wall
It is tangent with a pair of small steel ball.
Compared with prior art, the invention has the following advantages:
The present invention provides the small executive module of a kind of flow control accuracy height, frictional resistance, which is not only solved
The problem of flow control accuracy of having determined, and frictional resistance is also reduced, while greatly reducing processing cost.
Wherein, the present invention passes through the helicla flute in the rolling screw in the valve rod and the small steel ball phase
It cuts, the swivel nut inner wall and the small steel ball are tangent, on the one hand to be not present between the rolling screw and the small steel ball
Gap causes the rolling screw in rotation process of rising or falling, and fluid flow is not in suddenly big or suddenly small phenomenon;One
Inside the aspect swivel nut and the small steel ball is point and face contact, so that frictional resistance greatly reduces;Described in last aspect
Rolling screw, the swivel nut do not need the processing of highly accurate equipment, and the small steel ball is circulate now, mature product,
It does not need to reprocess, therefore is greatly lowered cost.
Wherein, the present invention passes through the lateral annular groove of the valve rod lower part, the purpose of the lateral annular groove: when the valve
When column is by tendency fluid pressure, so that the lateral annular groove surrounding pressure is equal, guarantee that the valve rod will not be biased to appoint
Meaning on one side, also ensures that fluid flow is not in suddenly big or suddenly small phenomenon in this way.
Wherein, the present invention also passes through the rectangular valve port of the guide sleeve lower part, and the rectangular valve port is symmetrical, and square valve
Mouth is evenly distributed on the guide sleeve, when fluid while being entered the rectangular valve port, or flow out the rectangular valve port simultaneously, is made
The valve rod will not secundly, further guarantee fluid flow control precision.
Detailed description of the invention
In conjunction with attached drawing, the present invention will be further described:
Fig. 1 is schematic diagram of internal structure of the invention;
Fig. 2 is valve seat schematic diagram in the present invention;
Fig. 3 is ring flange schematic diagram in the present invention;
Fig. 4 is disrance sleeve schematic diagram in the present invention;
Fig. 5 is guide sleeve schematic diagram A in the present invention;
Fig. 6 is guide sleeve sectional view A-A in the present invention;
Fig. 7 is valve rod schematic diagram B in the present invention;
Fig. 8 is valve rod sectional view B-B in the present invention;
Fig. 9 is internal magnetic ring schematic diagram in the present invention;
Figure 10 is rolling screw schematic diagram in the present invention.
Specific embodiment:
Below by embodiment, technical solution of the present invention is described in further detail.
As shown in Figure 1, a kind of executive module of electric expansion valve, including valve seat 1, ring flange 2, disrance sleeve 3, valve circle 4,
Guide sleeve 5, valve rod 6, internal magnetic ring 7, swivel nut 8, small steel ball 9, rolling screw 10.
Ring flange 2 is equipped with above heretofore described valve seat 1, the ring flange 2 and the valve seat 1 are by welding
It links together;The valve rod 6 is mounted on the guide sleeve 5 on the valve seat 1 by the valve rod 6, and the guide sleeve 5 passes through flange
The mesoporous 201 of disk 2 is embedded in the valve seat 1;The internal magnetic ring 7 is inserted in the valve rod by the mesoporous 702 on the internal magnetic ring 7
In 6;The ring flange 2 links together with the disrance sleeve 3 by welding;The rolling screw 10 is embedded in described
In the first post holes 601 on valve rod 6, the rolling screw 10 is fixed in the disrance sleeve 3.
It is described further below by the executive module of the electric expansion valve.
Preferably, as shown in Figure 3, Figure 4, the ring flange 2 is equipped with disk 202, and 202 upper surface of disk is formed and institute
State disrance sleeve 3 matching step circles 203, the purpose of the step circles 203 be in order to be positioned to the disrance sleeve 3,
So that the disrance sleeve 3 links together with the ring flange 2.
Preferably, as shown in Figure 3, Figure 4, the valve seat 1 is equipped with annular through groove 101, is equipped with above the annular through groove 101
The flange step 102 to match with the disk 202, the ring flange 2 are embedded into the flange step by the disk 202
In, to link together by welding.
Preferably, as shown in Fig. 2, Fig. 5, the circular groove to match with 5 outer diameter of guide sleeve is equipped with below the annular through groove 101
103。
Preferably, as shown in Figure 5, Figure 6, match with the valve rod 6, leading up and down is formed inside the guide sleeve 5
Hole 501 forms the step 502 to match with 2 mesoporous 201 of ring flange on the outer wall on 501 top of guide hole;The guide sleeve 5
Lower part is equipped with the seal groove 503 to match with the valve circle 4, and the guide hole 501 is axially connected with the seal groove 503 below;Institute
It states guide sleeve 5 and is equipped with rectangular valve port 504 from outer wall to inner wall, it is the rectangular valve port 504 and 501 lower part of guide hole, described close
503 side of sealing groove to be connected;The quantity of the rectangular valve port 504 is 1 pair~6 pairs, uniformly distributed;It is formed inside the valve circle 4 and compares institute
State the hole of the 0.05~0.1mm less than normal of guide hole 501, the material of the valve circle 4 be metal or high temperature resistant, corrosion-resistant, wriggling slope very
Small high polymeric compound.The guide sleeve 5 is fixed on the valve seat by the mesoporous 201 of the circular groove 103 and the ring flange 2
In 1.
Preferably, as shown in Figure 7, Figure 8,6 axial inner of valve rod is equipped with the second post holes 602, second post holes 602
Axially it is connected with first post holes 601, and second post holes 602 is in the lower section 601 of first post holes, second column
First post holes 601 described in the interior boring ratio in hole 602 is small;Lateral annular groove 606 is formed at the lower part of second post holes 602, described lateral
The quantity of annular groove 606 be within 6 (including 6), the top of second post holes 602 formed it is a pair of or two pairs or
Three pairs or four pairs of the second transverse side holes 605;The top of second transverse side holes 605 is formed to match with the internal magnetic ring 7
Positioning step column 604, the height of the positioning step column 604 and the height of first post holes 601 are identical, or ratio
The height of first post holes 601 is higher;The top of the positioning step column 604 is equipped at least a pair of first transverse side holes 603;
First post holes 601 and second post holes 602 are first post holes 601 and first cross side up and down
Hole 603 communicates, and second post holes 602 and second transverse side holes 605 communicate.
Preferably, as shown in Fig. 1, Fig. 9, the internal magnetic ring mesoporous 702 is through-hole, and the internal magnetic ring 7 passes through the interior magnetic
Ring mesoporous 702 is inserted in the positioning step column 604;The internal magnetic ring mesoporous 702 is equipped with the swivel nut slot with 8 outer diameter of swivel nut above
701, the guide groove 703 bigger than normal than 6 outer diameter of valve rod is arranged below in the internal magnetic ring mesoporous 702, by the swivel nut 8, by institute
Internal magnetic ring 7 is stated to be fixed on the valve rod 6, by the guide groove 703 so that the second transverse side holes 605 in the valve rod 6 with
The disrance sleeve 3 communicates.
Preferably, the rolling screw 10 shown in Figure 10 is equipped with helicla flute 1002, and the helicla flute 1002 is embedded in the valve
In the first post holes 601 on column 6.
Preferably, the helicla flute 1002 and a pair of small steel ball 9 are tangent, are additionally provided with spiral shell above the helicla flute 1002
Handle 1001.
Preferably, the welding hole 301 to match with the spiral shell handle 1001, the spiral shell handle are formed above the disrance sleeve 3
1001 are fixed together and the spiral shell handle 1001 and the welding hole 301 are not leak outside with the welding hole 301.
Preferably, the swivel nut 8 and the positioning step column 604 are close-fittings, and 8 inner wall of swivel nut and a pair are described small
Steel ball 9 is tangent.
By the above-mentioned explanation to electric expansion valve executive module, electric expansion valve described in the invention is further illustrated
Advantage possessed by executive module:
Wherein, the present invention by the helicla flute 1002 in the rolling screw 10 in the valve rod 9 with it is described small
Steel ball 9 is tangent, and 8 inner wall of swivel nut and the small steel ball 9 are tangent, on the one hand makes the rolling screw 10 and the small steel ball
Gap is not present between 9, causes the rolling screw 10 in rotation process of rising or falling, fluid flow is not in suddenly big
Suddenly small phenomenon;On the one hand 8 inside of swivel nut and the small steel ball 9 are point and face contact, so that frictional resistance greatly reduces;
Last described rolling screw 10 of aspect, the swivel nut 8 do not need highly accurate equipment processing, and the small steel ball 9 is present
Circulation, mature product, does not need to reprocess, therefore be greatly lowered cost.
Wherein, the present invention passes through the lateral annular groove 606 of 6 lower part of valve rod, the purpose of the lateral annular groove 606:
When the valve rod 6 is influenced by tendency fluid pressure, so that 606 surrounding pressure of the lateral annular groove is equal, guarantee institute
Any one side will not be biased to by stating valve rod 6, also ensure that fluid flow is not in suddenly big or suddenly small phenomenon in this way.Simultaneously as
The surrounding pressure of the lateral annular groove 606 is equal, not will receive the influence of lateral pressure so as to cause the valve rod 6, further
Ground reduces the valve rod
Wherein, the present invention also passes through the rectangular valve port of 5 lower part of guide sleeve, and the rectangular valve port 504 is symmetrical, and square
Shape valve port 504 is evenly distributed on the guide sleeve 5, when fluid while entering the rectangular valve port 504, or simultaneously described in outflow
Rectangular valve port 504 so that the valve rod 6 will not secundly, further guarantee fluid flow control precision.
Above-described embodiment is simply to illustrate that technical concept and feature of the invention, its purpose is skill in the art
Art personnel can understand the contents of the present invention, and implement accordingly, and it is not intended to limit the scope of the present invention.All bases
The equivalent changes or modifications that the essence of the content of present invention is made, should all cover in protection scope of the present invention.
Claims (10)
1. a kind of executive module of electric expansion valve, which is characterized in that including the valve rod, internal magnetic ring, rolling spiral shell to match with guide sleeve
Bar, small steel ball, swivel nut, the internal magnetic ring are fixed in the valve rod by the swivel nut, and the rolling screw is embedded in the valve
In the first post holes on column, the rolling screw is fixed in the disrance sleeve, with the rolling screw, the swivel nut inner wall
The tangent small steel ball is embedded in the transverse side holes on the valve rod, and the guide sleeve is fixed on the valve seat of electric expansion valve
On.
2. a kind of executive module of electric expansion valve according to claim 1, it is characterised in that: be equipped with method above the valve seat
Blue disk, the ring flange top link together with disrance sleeve;The guide sleeve is embedded in the valve seat by ring flange mesoporous
The ring flange is equipped with disk, and the disk upper surface forms the step circles to match with the disrance sleeve.
3. a kind of executive module of electric expansion valve according to claim 1 or claim 2, it is characterised in that: the valve seat is equipped with ring
Shape through slot, the annular through groove top are equipped with the flange step to match with the disk, and the annular through groove lower section is equipped with and institute
State the circular groove of guide sleeve outer diameter matching.
4. according to a kind of any executive module of electric expansion valve of Claims 2 or 3, it is characterised in that: in the guide sleeve
Portion forms guide hole matching with the valve rod, up and down, on the outer wall on the guide hole top in formation and the ring flange
The step that hole matches;The guide sleeve lower part is equipped with the seal groove that matches with valve circle, below the guide hole with the seal groove axial direction
It is connected;The guide sleeve is equipped with the rectangular valve port from outer wall to inner wall, the rectangular valve port and the guide hole lower part, the seal groove
It is lateral to be connected.
5. according to claim 1 or a kind of 4 executive modules of electric expansion valve, it is characterised in that: the valve rod axis is inside
Portion is equipped with the second post holes, and second post holes is axially connected with first post holes, and second post holes is in first column
The lower section in hole, the first post holes described in the interior boring ratio of second post holes are small;Lateral annular groove, institute are formed at the lower part of second post holes
The quantity for stating lateral annular groove is within 6, and at least a pair of second transverse side holes are formed at the top of second post holes;Described
The top of two transverse side holes forms the positioning step column to match with internal magnetic ring mesoporous;The top of the positioning step column is equipped at least
A pair of first transverse side holes;First post holes and second post holes are first post holes and described up and down
One transverse side holes communicate, and second post holes and second transverse side holes communicate.
6. according to claim 1 or a kind of 5 executive modules of electric expansion valve, it is characterised in that: the internal magnetic ring mesoporous
It is through-hole, the internal magnetic ring is inserted in the positioning step column by the internal magnetic ring mesoporous;It is equipped with above the internal magnetic ring mesoporous
The guide groove bigger than normal than the valve rod outer diameter is arranged below in the swivel nut slot to match with swivel nut outer diameter and height, the internal magnetic ring mesoporous.
7. a kind of executive module of electric expansion valve according to claim 1, the rolling screw is equipped with and the small steel ball
Tangent helicla flute, the helicla flute are embedded in the first post holes on the valve rod.
8. a kind of executive module of electric expansion valve according to claim 7, the helicla flute and a pair of small steel ball phase
It cuts, is additionally provided with spiral shell handle above the helicla flute.
9. a kind of executive module of electric expansion valve according to claim 8, the disrance sleeve top is formed and the spiral shell
The welding hole that handle matches, the spiral shell handle and the welding hole are to be fixed together and the spiral shell handle and the welding hole are not leak outside
's.
10. a kind of executive module of electric expansion valve according to claim 6, the swivel nut is tight with the positioning step column
Match.
Priority Applications (1)
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CN201910617486.6A CN110230706B (en) | 2019-07-10 | 2019-07-10 | Execution assembly of electronic expansion valve |
Applications Claiming Priority (1)
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CN201910617486.6A CN110230706B (en) | 2019-07-10 | 2019-07-10 | Execution assembly of electronic expansion valve |
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CN110230706A true CN110230706A (en) | 2019-09-13 |
CN110230706B CN110230706B (en) | 2024-04-16 |
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CN201910617486.6A Active CN110230706B (en) | 2019-07-10 | 2019-07-10 | Execution assembly of electronic expansion valve |
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CN106678421A (en) * | 2017-01-12 | 2017-05-17 | 诸暨市亿霸电子阀门有限公司 | Electronic expansion valve with precision controlled through flow |
CN107035870A (en) * | 2017-04-26 | 2017-08-11 | 成都大学 | A kind of feed screw nut drive-type DC stop valve |
CN211344060U (en) * | 2019-07-10 | 2020-08-25 | 诸暨市亿霸电子阀门有限公司 | Electronic expansion valve's executive component |
-
2019
- 2019-07-10 CN CN201910617486.6A patent/CN110230706B/en active Active
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JP2003329158A (en) * | 2002-05-15 | 2003-11-19 | Saginomiya Seisakusho Inc | Motor-driven valve |
US6802488B1 (en) * | 2002-08-30 | 2004-10-12 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Electro-mechanical coaxial valve |
US20110012038A1 (en) * | 2009-07-17 | 2011-01-20 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
JP3189312U (en) * | 2013-01-03 | 2014-03-06 | 中山市港利製冷配件有限公司 | New electronic expansion valve |
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CN205504133U (en) * | 2016-01-15 | 2016-08-24 | 浙江盾安禾田金属有限公司 | Two -period form electronic expansion valve |
CN106678421A (en) * | 2017-01-12 | 2017-05-17 | 诸暨市亿霸电子阀门有限公司 | Electronic expansion valve with precision controlled through flow |
CN107035870A (en) * | 2017-04-26 | 2017-08-11 | 成都大学 | A kind of feed screw nut drive-type DC stop valve |
CN211344060U (en) * | 2019-07-10 | 2020-08-25 | 诸暨市亿霸电子阀门有限公司 | Electronic expansion valve's executive component |
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