CN1840945A - Electrically operated valve - Google Patents
Electrically operated valve Download PDFInfo
- Publication number
- CN1840945A CN1840945A CNA2006100043816A CN200610004381A CN1840945A CN 1840945 A CN1840945 A CN 1840945A CN A2006100043816 A CNA2006100043816 A CN A2006100043816A CN 200610004381 A CN200610004381 A CN 200610004381A CN 1840945 A CN1840945 A CN 1840945A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- support
- mortor operated
- elastomer
- 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.)
- Pending
Links
Classifications
-
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/24—Structural association with auxiliary mechanical devices
Abstract
An elastic body 50 is arranged on a step part 18f of a valve main body 18 under a condition that the same is sheared by an edge shape part 171d having a tip pointed at acute angles of an opening circumference part 17d of a holder 17. Since the elastic body 50 absorbs volume expansion at a time of moisture freezing and reduces pressure generated by freezing on an edge shape part 171d of the holder 17 or the like is reduced and the same is protected even if atmospheric temperature drops and moisture intruding in the space 40 in the lock nut 19 freezes, damage and deformation of the opening circumference part 17d of a holder 17 can be prevented.
Description
Technical field
The present invention relates to for example to be used to control the mortor operated valve of the flow of fluids such as refrigeration agent.
Background technique
In the past, in order to control and use mortor operated valve such as the flow of fluids such as refrigeration agent.As the such mortor operated valve of an example, have using at present shown in Figure 5 shown in the open flat 11-225466 communique of communique of Japan's special permission the mortor operated valve of structure.This mortor operated valve, 101 of the valve shafts that its running shaft by motor and gear etc. are connected are bearing on the bearing 102, and the screw section and the support 103 of valve shaft 101 ' screw togather simultaneously.Bearing 102 is fixed on the support 103.Valve shaft 101 ' is connected with spool 105 by trunnion bearing 104 grades.The valve body 106 of accommodating spool 105 combines with support 103 by locking nut 107.In valve body 106, be provided with the bellows 108 that is used to prevent that fluid from flowing into to motor side in the valve body 106.
In this mortor operated valve, has packing ring 110 between support 103 and the valve body 106.The top of valve body 106 sides of support 103 peripheries forms blade-like, becomes sealed department 111.By packing ring 110 and sealed department 111, prevent that moisture etc. from entering valve body 106 inside from the outside.
In this mortor operated valve, make the screw section rotation of valve shaft 101 ' by making the motor rotation, thereby valve shaft 101 ' is moved up and down, the spool 105 that adjusting is connected with valve shaft 101 ' is controlled the flow of fluid with respect to the aperture of valve seat.
In the mortor operated valve of above-mentioned patent documentation, be used in combination locking nut 107 for support 103 and valve body 106, but under the service condition of harshness, the moisture that enters sometimes in the gap between this locking nut 107 and support 103 and the valve body 106 can freeze along with the decline of environment temperature.
Moisture in the gap that enters between locking nut 107 and support 103 and the valve body 106 freezes, and volume will expand, thereby boosts locking nut 107 or damage the sealed department 111 etc. of support 103, causes breakage, the distortion of these parts sometimes.
As preventing countermeasure, prevented at the joining portion of locking nut 107 and support 103 and valve body 106 that moisture from entering the gap by for example Luo Ketaide adhesive applicatings such as (ロ Star Network イ ト (login trade mark)) in the past.But existence increases the problem of the flow chart of adhesive-applying.
Summary of the invention
In view of this, even the object of the present invention is to provide a kind of mortor operated valve that flow chart just can prevent moisture volumetric expansion damage due, distortion when freezing in the connector element that under the service condition of harshness, also can not increase.
In order to achieve the above object, the mortor operated valve of technological scheme 1 of the present invention is characterized in that, comprising: the support that is fixed in motor; The valve body that is connected with this support by locking nut; And valve body, the opening of itself and this valve seat that valve body had relatively is configured in the valve chamber, and operates the switching of described opening by the action of described motor,
Elastomer is configured between this locking nut and the described support in the formed space.
In addition, described support has the blade-like sealing of will fine away with the front end of described valve body butt,
Described elastomer preferably is configured between described valve body and the sealing of described blade-like.
In addition, also can have an end and be fixed in the bellows that described valve body and the other end are fixed in described valve body.
In order to achieve the above object, the mortor operated valve of technological scheme 2 of the present invention is characterized in that, comprising:
Be fixed in the support of motor; Valve body with valve body, this valve body are configured to relative with the opening that is formed at the valve seat in the valve chamber and operate the switching of described opening by the action of described motor; And described valve body and described support connected into the connector element of liquid sealing,
Elastomer is configured in the space of attachment portion of the described support of delimiting and described valve body by described connector element.
Be formed with the hole with described spatial communication on described connector element, described elastomer preferably is configured in this hole.
Adopt the present invention, because elastomer is configured in the space that joint generated by the support of connector element and valve body, is not increased the mortor operated valve that flow chart just can prevent moisture volumetric expansion damage due, distortion when freezing in the connector element so can provide.
Description of drawings
Fig. 1 is the partial sectional view of the mortor operated valve brief configuration of expression embodiments of the invention.
Fig. 2 is the sectional view of expression mortor operated valve major component shown in Figure 1.
Fig. 3 is the partial enlarged drawing of expression mortor operated valve shown in Figure 2.
Fig. 4 is the partial sectional view of the mortor operated valve brief configuration of expression variation of the present invention.
Fig. 5 is a partial sectional view of representing the brief configuration of mortor operated valve major component in the past.
Embodiment
Below, describe with reference to the mortor operated valve of accompanying drawing embodiments of the invention.Mortor operated valve 10 for example is used as the control valve of the flow of controlling fluids such as refrigeration agent in refrigerating air conditioning device.Mortor operated valve 10 passes to valve body with the output of motor 30 by gear etc.
As Fig. 1～shown in Figure 3, mortor operated valve 10 comprises: valve shaft 11; The valve body 12 that is connected with valve shaft 11; Be used to connect the spheroid 13 of valve shaft 11 and valve body 12; Lining 14; Bellows 15; The bearing of valve shaft 11 is promptly exported bearing 16; Be fixed in the support 17 of motor and maintenance valve shaft 11; Accommodate the valve body 18 of valve body 12; Valve seat 18a with valve body 18 formation one; The locking nut 19 that connects support 17 and valve body 18; And be configured in elastomer 50 between support 17 and the valve body 18.
Valve shaft 11 is to be used to transmit the rotation output of motor 30 and the output shaft that valve body 12 is moved up and down.Valve shaft 11 is made of the 1st valve shaft 11a that is positioned at motor side and the 2nd valve shaft 11b that is positioned at valve body 12 sides.Be formed with the protuberance 111a of straight screwdriver shape in the lower end of the 1st valve shaft 11a, be formed with the recess 111b of straight screwdriver groove shape in the upper end of the 2nd valve shaft 11b.By protuberance 111a and recess 111b is chimeric, the 1st valve shaft 11a is connected with the 2nd valve shaft 11b.The 1st valve shaft 11a is connected with motor 30 running shafts in being built in motor casing by small gear, gear etc.The 1st valve shaft 11a axle is supported on output bearing 16.Output bearing 16 is arranged on the motor casing of motor 30.Periphery at the 2nd valve shaft 11b is formed with external thread part 112b.External thread part 112b by the 2nd valve shaft 11b and the 1st internal thread part 17a that is formed at support 17 central authorities screw togather, and the 2nd valve shaft 11b is rotatable and can be maintained on the support 17 with moving axially.
Valve body 12 by moving up and down with respect to valve seat 18a contact, separate, be used to regulate opening degree with respect to valve seat 18a.Valve body 12 is that valve opening 181a relatively is configured in the valve chamber with the opening of valve seat 18a.Valve body 12 is made of the 1st valve body 12a of valve shaft 11 sides and the 2nd valve body 12b of valve seat 18a side.The 1st valve body 12a for example is pressed into and is fixed in the 2nd valve body 12b.Be formed with the engagement portion 122a of convex in the periphery of the 1st valve body 12a, this engagement portion 122a is for fixing bellows 15 and be provided with.Be formed with recess 123a in the upper end of the 1st valve body 12a, be pressed into the lining 14 of convex at this recess 123a.The 2nd valve body 12b, the top of its valve seat 18a side is pointed.
Spheroid 13 is clipped between the lower end and lining 14 of the 2nd valve shaft 11b as trunnion bearing.Spheroid 13 is for example formed by stainless steel material, for example is welded on the lower end of the 2nd valve shaft 11b with the spot-welded on mode.In addition, spheroid 13 is configured to rotate freely the depressed part 14a butt with the lining 14 that is pressed into the 1st valve body 12a upper end.
Bellows 15 has stretchability, gas tightness, has the function that the refrigeration agent that prevents to flow into valve body 18 enters motor 30 sides.The upper end of bellows 15 is fixed on the packing ring 21 by soldering, and on the end of packing ring 21 riveted fixing in valve body 18, the lower end of bellows 15 is fixed on the engagement portion 122a of the 1st valve body 12a by soldering.
Valve body 18 becomes the tubular of accommodating valve body 12 usefulness.Valve body 18 have the 1st passage 18b that is connected side below, with the 1st passage 18b connection and the 2nd passage 18c that is connected with the bottom surface.The 1st passage 18b and the 2nd passage 18c are connected with refrigerant piping respectively.At the interconnecting part of the 1st passage 18b and the 2nd passage 18c, promptly the joint with the 2nd passage 18c at valve body 18 is formed with valve seat 18a.Valve seat 18a has the valve opening 181a that is communicated with the 2nd passage 18c in the bottom surface of valve body 18.
Screw togather with the 2nd internal thread part 17b that is formed at support 17 tops by the external thread part 16a that will be formed at output bearing 16 peripheries, be fixed on the support 17 thereby will export bearing 16.The retainer that is provided with the 2nd valve shaft 11b between bottom surface of exporting bearing 16 and support 17 is a packing ring 22.
Screw togather with the external thread part 18d that is formed at top, valve body 18 sides by locking screw thread 19, valve body 18 is connected with support 17.Be formed with the end 18e of the diameter path littler in the upper end of valve body 18, be formed with recess 17c in the lower end of support 17 than external diameter.Under the chimeric state of the end of valve body 18 18e and support 17 recess 17c, valve body 18 is connected with support 17.Rubber sheet gasket 23 clampings are configured between the bottom surface of the fore-end of valve body 18 end 18e and support 17 recess 17c.Seal by this rubber sheet gasket 23 between valve body 18 and the support 17.The opening peripheral portion 17d of support 17 lower ends, its top forms the blade-like of the acute angle of point, thereby constitutes the blade-like sealing.The support 17 opening peripheral portion 17d of blade-like of acute angle that this top forms point by fastening locking nut 19 with the stepped part 18f butt of valve body 18, withstood and guarantee to seal.The top that utilizes rubber sheet gasket 23 and constitute the opening peripheral portion 17d of sealed department is the blade-like portion of acute angle, can prevent to enter in the valve body 18 from the moisture of outside etc.
Elastomer 50 is a ring-type, and for example the rubber by silicone forms.Elastomer 50 is configured to be withstood on state on the stepped part 18f of valve body 18 by the 171d of blade-like portion that the top of the opening peripheral portion 17d of support 17 is acute angle.At first, shown in Fig. 3 (a), elastomer 50 puts on the stepped part 18f of valve body 18.Shown in Fig. 3 (b), with fastening locking nut 19, when the 171d of blade-like portion being leaned on stepped part 18f and guaranteeing to seal, elastomer 50 is withstood.Elastomer 50 is configured in the space 40 in the locking nut 19, and this space 40 is formed by the 171d of blade-like portion of the top point of the stepped part 18f of the inwall of the side face 19b of locking nut 19, valve body 18 and support 17 opening peripheral portion 17d etc.
Even entering the moisture in the space 40 in the locking nut 19 freezes because of temperature on every side descends; volumetric expansion amount when elastomer 50 also can utilize elasticity absorption moisture to freeze; the pressure that reduces to freeze and produced for support 17 171d of blade-like portion etc.; thereby can be protected, be prevented damaged, the distortion such as opening peripheral portion 17d of support 17.In addition,, can reduce the volume in space 40, the volumetric expansion amount when reducing moisture and freezing by elastomer 50 is configured in the space 40.
This mortor operated valve 10, when motor 30 for example is rotated in the forward towards positive and negative direction, then valve shaft 11 is for example towards rotation counterclockwise.The external thread part 112b of valve shaft 11 also is rotated, and valve shaft 11 is for example moved towards the top, and the valve body 12 that is connected also is moved upward.The pointed front end of the 2nd valve body 12b of the valve body 12 lower side 18a that lifts off a seat, the flow that then flows through the refrigeration agent of the 1st passage 18b and the 2nd passage 18c increases.And when motor 30 for example during counterrotating, then valve shaft 11 rotates toward the clockwise direction, and valve shaft 11 is moved towards the below, and the valve body 12 that is connected also moves downwards.Pointed front end by the 2nd valve body 12b is near valve seat 18a, and the flow that then flows through the refrigeration agent of the 1st passage 18b and the 2nd passage 18c reduces.Control the flow of refrigeration agent thus.
Like this, the mortor operated valve of this example, even when entering the moisture in the space 40 in the locking nut 19 and freezing, the volumetric expansion amount in the time of also can absorbing moisture and freeze, thereby the breakage of the parts such as the 171d of blade-like portion of support 17 can prevent that moisture from freezing the time by elastomer 50.Therefore, do not need adhesive applicating, can prevent breakage, the distortion of part when moisture freezes in the first-class operation in the joining portion of locking nut 19 and valve body 18.
More than enumerate embodiment the present invention has been described, but the present invention is not limited to the foregoing description, can carry out various distortion.In the foregoing description, elastomer 50 is configured between the 171d of blade-like portion of the stepped part 18f of valve body 18 and support 17.But, as long as elastomer is configured in the position that can be absorbed the volumetric expansion amounts of moisture when freezing in the space 40 of the attachment portion that enters the valve body 18 of being delimited by locking nut 19 and support 17.For example, as shown in Figure 4, also can for example form the hole 19c that 3 places are communicated with space 40 in advance at the side face 19b of locking nut 19, the elastomer 50 that filling is formed by above-mentioned silicone rubber in the 19c of hole.
In the above-mentioned example, screw togather with the external thread part 18d that is formed at top, valve body 18 sides, valve body 18 is connected with support 17 by locking nut 19.But, also can be substituted in valve body and form external thread part, and below the support side, form external thread part, locking nut is screwed togather.
In the above-mentioned example,, used locking nut 19 in order to connect valve body 18 and support 17.But the connector element that connects valve body and support is not limited to locking nut, so long as the member that valve body and support are connected into liquid sealing gets final product.
In this example, valve body 12 is illustrated by the example that the 1st valve body 12a and the 2nd valve body 12b constitute, but spool also can be made of 1 member.
In addition, in this example, the example that valve seat 18a and valve body 18 formed one is illustrated, but but also split setting of valve seat.
In this example, to external thread part 112b by the 2nd valve shaft 11b and the 1st internal thread part 17a that is formed at support 17 central authorities screw togather, the 2nd valve shaft 11b is rotatable and example that can remain on the support 17 is illustrated with moving axially, but the mechanism that valve shaft is moved vertically is not limited thereto.
In this example, elastomer 50 is illustrated by the example that silicone rubber forms, but elastomer is not limited to silicone rubber, gets final product so long as under the serviceability temperature of mortor operated valve, have the rubber of durability.And elastomer is not limited to rubber, also can be formed by plastics and other materials.
Claims (5)
1. a mortor operated valve is characterized in that, comprising: the support that is fixed in motor; The valve body that is connected with this support by locking nut; And spool, the opening of itself and this valve seat that valve body had relatively is configured in the valve chamber, and operates the switching of described opening by the action of described motor,
Between this locking nut and described support, dispose elastomer in the formed space.
2. mortor operated valve as claimed in claim 1 is characterized in that, described support has the blade-like sealing with the top point of described valve body butt,
Described elastomer is configured between described valve body and the sealing of described blade-like.
3. mortor operated valve as claimed in claim 1 or 2 is characterized in that, has an end and is fixed in the bellows that described valve body and the other end are fixed in described spool.
4. a mortor operated valve is characterized in that, comprising:
Be fixed in the support of motor; Valve body with spool, this spool are configured to relative with the opening that is formed at the valve seat in the valve chamber and operate the switching of described opening by the action of described motor; And described valve body and described support connected into the connector element of fluid-tight,
In the space of the attachment portion of described support of delimiting and described valve body, dispose elastomer by described connector element.
5. mortor operated valve as claimed in claim 4 is characterized in that, is formed with the hole with described spatial communication on described connector element, and described elastomer is configured in this hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005079260 | 2005-03-18 | ||
| JP2005079260A JP4639102B2 (en) | 2005-03-18 | 2005-03-18 | Motorized valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1840945A true CN1840945A (en) | 2006-10-04 |
Family
ID=37030080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100043816A Pending CN1840945A (en) | 2005-03-18 | 2006-01-28 | Electrically operated valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4639102B2 (en) |
| KR (1) | KR101120690B1 (en) |
| CN (1) | CN1840945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818068A (en) * | 2011-06-08 | 2012-12-12 | 浙江三花股份有限公司 | Valve part and electronic expansion valve using same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4545627B2 (en) * | 2005-04-14 | 2010-09-15 | リンナイ株式会社 | Electric water control valve |
| CN106439150A (en) * | 2015-08-10 | 2017-02-22 | 浙江三花智能控制股份有限公司 | Valve shell assembly and valve |
| KR102316461B1 (en) * | 2020-05-14 | 2021-10-22 | 그린산업 주식회사 | Air-tight fixing structure of poppet valve for electronic expansion valve and electronic expansion valve comprising the same |
| FR3124661A1 (en) * | 2021-06-29 | 2022-12-30 | Valeo Equipements Electriques Moteur | Together to form a waterproof interconnector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120885A (en) * | 1998-10-08 | 2000-04-28 | Fuji Koki Corp | Motor operated valve |
| JP2000193129A (en) * | 1998-10-21 | 2000-07-14 | Kitz Corp | Valve with actuator |
| JP3937029B2 (en) * | 1999-03-26 | 2007-06-27 | 株式会社鷺宮製作所 | Motorized valve |
| JP2001349467A (en) * | 2000-06-07 | 2001-12-21 | Fuji Koki Corp | Motor-operated valve |
| JP3807908B2 (en) * | 2000-08-30 | 2006-08-09 | リンナイ株式会社 | Freezing damage prevention device for faucets |
| JP2004289901A (en) * | 2003-03-20 | 2004-10-14 | Fuji Koki Corp | Motor assembly and motor-operated valve |
-
2005
- 2005-03-18 JP JP2005079260A patent/JP4639102B2/en active Active
-
2006
- 2006-01-12 KR KR1020060003447A patent/KR101120690B1/en active IP Right Grant
- 2006-01-28 CN CNA2006100043816A patent/CN1840945A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818068A (en) * | 2011-06-08 | 2012-12-12 | 浙江三花股份有限公司 | Valve part and electronic expansion valve using same |
| CN102818068B (en) * | 2011-06-08 | 2016-02-17 | 浙江三花股份有限公司 | The electric expansion valve of a kind of valve body parts and this valve body parts of use |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4639102B2 (en) | 2011-02-23 |
| JP2006258245A (en) | 2006-09-28 |
| KR101120690B1 (en) | 2012-04-13 |
| KR20060101212A (en) | 2006-09-22 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20061004 |