CN104879525A - Electric reverse three-channel fluid valve - Google Patents
Electric reverse three-channel fluid valve Download PDFInfo
- Publication number
- CN104879525A CN104879525A CN201510216160.4A CN201510216160A CN104879525A CN 104879525 A CN104879525 A CN 104879525A CN 201510216160 A CN201510216160 A CN 201510216160A CN 104879525 A CN104879525 A CN 104879525A
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- CN
- China
- Prior art keywords
- valve
- rotor core
- hole
- spool
- holes
- 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.)
- Granted
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses an electric reverse three-channel fluid valve, and belongs to the technical field of analytical chemical apparatuses and instruments. The electric reverse three-channel fluid valve is characterized in that a cylindrical valve seat is connected with a motor shell, a strip-shaped groove is formed in one end of a rotor core, a rotor core rod is arranged at the other end of the rotor core, a limiting ring is arranged in the middle of the rotor core, and an axial rack is arranged on the other side of the limiting ring; the strip-shaped groove of the rotor core is mounted on a lug of a motor shaft, and a right pressure bearing and a right spring are arranged on the right side of the limiting ring; a torque pin hole is radially formed in the right end of a valve spool, three equal fluid flow channel grooves are formed in the circumference of a ring at the right end of the valve spool, a torque pin penetrates the torque pin hole in the end of the valve spool, and the valve spool is connected with the rotor core by a pin hole in the rotor core; a valve sleeves the outer side of the valve spool, nine liquor holes are uniformly formed in the same circumference of the valve, are divided into three groups and are matched with the fluid flow channel grooves, the middle liquor hole of each group of liquor holes is a fluid inlet hole, the other two holes of each group of liquor holes are fluid outlet holes, and the fluid inlet hole of each group of liquor holes constantly keeps being communicated with one of the other two liquor holes of the group of liquor holes when the corresponding fluid flow channel groove angularly rotates.
Description
Technical field
The present invention relates to a kind of electronic break-in triple channel fluid valve, belong to analytical chemistry instrument technique with the apparatus field.
Background technique
At present, known solution control switch has check valve, solenoid valve and sequencing valve.Check valve poor voltage withstand capability, poorly sealed.Solenoid valve in use will be powered for a long time, causes heating to cause break-make sebific duct to follow the string, and loses solution break-make controlling functions.Popular sequencing valve adopts planar design, takes up room greatly for valve body during multi-way contral, and the jackscrew space that solution is derived is excessive.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the invention provides a kind of electronic break-in triple channel fluid valve, this electronic break-in triple channel fluid valve effectively solves the problem that existing each valve seal is tight, sebific duct elasticity loss blocking-up liquid passes through and valve volume is large, and solution break-in is quick and easy.
The technical solution adopted for the present invention to solve the technical problems is: the structure of electric three passes road fluid valve is: pedestal upper end is equipped with motor, motor side is provided with motor shaft, the motor housing bolt of motor shaft side connects the cylindrical valve seat with center hole, rotor core one termination is provided with bar-shaped trough, the other end is provided with rotor core bar, centre is provided with limited ring, and limited ring opposite side is provided with axial tooth bar, and tooth bar intermediate radial is provided with pin-and-hole; The bar-shaped trough of rotor core is arranged on the projection of motor shaft, is equipped with right pressure bearing, right spring on the right side of limited ring; Spool is arranged on rotor core bar, and spool right-hand member radial direction is provided with moment pin-and-hole, and left end ring garden week is provided with three impartial flow channel for liquids grooves, and moment pin is penetrated by the moment pin-and-hole of spool one end and is connected with rotor core by spool by the pin-and-hole on rotor core; On the left of spool, left pressure bearing, left spring are installed successively; Valve body is enclosed within outside spool, valve body is same is circumferentially laid with three groups of nine solution holes, solution hole site matches with flow channel for liquids groove, often organize solution hole and be wherein set to inlet opening in intermediate solution hole, all the other holes are liquid outlet opening, remain that inlet opening communicates with the solution hole of in other holes during flow channel for liquids groove rotation angle; The length of described flow channel for liquids groove is the distance in adjacent two solution holes; Valve seat, valve gap, connecting sleeve and valve body are interted by locating stud locates, the connecting sleeve of valve gap left end and valve body, and be fastened on valve body at valve gap right-hand member through connecting sleeve by bolt, valve gap is connected with valve seat bolt; Described valve body is made up of polyether-ether-ketone (PEEK) low coefficient of friction acid resistant alkali material hard material, and described spool is that teflon (F4) low coefficient of friction acid resistant alkali material softer material is made.
The invention has the beneficial effects as follows: adopt cylndrical surface to derive solution, butterfly spring and pressure bearing is utilized to keep rotor diameter in Long-Time Service process constant to the pressure that the left side of rotor produces, root diameter remains unchanged for a long period of time, and after short-period used break-in, sealing effect is better.The pressure that butterfly spring and pressure bearing produce in rotor right side is greater than the pressure produced in its left side, and rotor is fixed at axial position, keeps radial motion.Nine solution holes of three switches, circumferentially same, take up room little, and stator rotates 30 degree can realize solution commutation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 1 is a kind of electronic break-in triple channel fluid valve STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 2 is a kind of electronic break-in triple channel fluid valve appearance schematic diagram of the present invention.
In figure 1, support, 2, motor, 3, motor shaft, 4, valve seat, 5, valve gap, 6, locating stud, 7, connecting sleeve, 8, right spring, 9, right pressure bearing, 10, rotor core, 11, pin-and-hole, 12, rotor core bar, 13, spool, 14, flow channel for liquids groove, 15, valve body, 16, moment pin, 17, left pressure bearing, 18, left spring, 19, solution hole.
Embodiment
As Figure 1-Figure 2, the structure of electronic break-in triple channel fluid valve is: support 1 upper end is equipped with motor 2, motor 2 side is provided with motor shaft 3, motor 2 housing bolts of motor shaft 3 side connects the cylindrical valve seat 4 with center hole, rotor core 10 1 termination is provided with bar-shaped trough, and the other end is provided with rotor core bar 12, and centre is provided with limited ring, limited ring opposite side is provided with axial tooth bar, and tooth bar intermediate radial is provided with pin-and-hole 11; The bar-shaped trough of rotor core 10 is arranged on the projection of motor shaft 3, is equipped with right pressure bearing 9, right spring 8 on the right side of limited ring; Spool 13 is arranged on rotor core bar 12, spool 13 right-hand member radial direction is provided with moment pin-and-hole, left end ring garden week is provided with three impartial flow channel for liquids grooves 14, and moment pin 16 is penetrated by the moment pin-and-hole of spool 13 one end and is connected with rotor core 10 by spool 13 by the pin-and-hole 11 on rotor core 10; Left pressure bearing 17, left spring 18 are installed on the left of spool 13 successively; Valve body 15 is enclosed within outside spool 13, valve body 15 is same is circumferentially laid with three groups of nine solution holes 19, position, solution hole 19 matches with flow channel for liquids groove 14, often organize solution hole 19 and be wherein set to inlet opening in intermediate solution hole 19, all the other holes are liquid outlet opening, remain that inlet opening communicates with the solution hole 19 of in other holes during flow channel for liquids groove 14 rotation angle; The length of described flow channel for liquids groove 14 is the distance in adjacent two solution holes 19; Valve seat 4, valve gap 5, connecting sleeve 7 and valve body 15 are interted by locating stud 6 locates, the connecting sleeve 7 of valve gap 5 left end and valve body 15, and be fastened on valve body 15 at valve gap 5 right-hand member through connecting sleeve 4 by bolt, valve gap 5 is connected with valve seat 4 bolt; Described valve body 15 is made up of polyether-ether-ketone (PEEK) low coefficient of friction acid resistant alkali material hard material, and described spool 13 is made for teflon (F4) low coefficient of friction acid resistant alkali material softer material.
Described spring is butterfly spring, and it is constant that spring and pressure bearing produce pressure holding valve core diameter in Long-Time Service process to the both ends of the surface of spool, and and tight friction fit between valve body.
During use, starting electrical machinery 2 rotates 30-degree angle, motor shaft 3 rotor driven core, spool rotate thereupon, liquid enters flow channel for liquids groove by the liquid inlet pipe often organizing centre and is flowed out by one of them drain pipe, motor rotates backward 30 degree of valve core rotation by liquid inlet pipe and another drain pipe UNICOM, and liquid is flowed out by this pipe.
Claims (1)
1. an electronic break-in triple channel fluid valve, it is characterized in that: support (1) upper end is equipped with motor (2), motor (2) side is provided with motor shaft (3), motor (2) housing bolts of motor shaft (3) side connects the cylindrical valve seat (4) with center hole, rotor core (10) one termination is provided with bar-shaped trough, and the other end is provided with rotor core bar (12), and centre is provided with limited ring, limited ring opposite side is provided with axial tooth bar, and tooth bar intermediate radial is provided with pin-and-hole (11); The bar-shaped trough of rotor core (10) is arranged on the projection of motor shaft (3), is equipped with right pressure bearing (9), right spring (8) on the right side of limited ring; Spool (13) is arranged on rotor core bar (12), spool (13) right-hand member radial direction is provided with moment pin-and-hole, left end ring garden week is provided with three impartial flow channel for liquids grooves (14), and moment pin (16) is penetrated by the moment pin-and-hole of spool (13) one end and is connected with rotor core (10) by spool (13) by the pin-and-hole (11) on rotor core (10); Spool (13) left side installs left pressure bearing (17), left spring (18) successively; Valve body (15) is enclosed within spool (13) outside, valve body (15) is same is circumferentially laid with three groups nine solution holes (19), solution hole (19) position matches with flow channel for liquids groove (14), often organize solution hole (19) wherein intermediate solution hole (19) be set to inlet opening, all the other holes are liquid outlet opening, remain that inlet opening communicates with the solution hole (19) of in other holes during flow channel for liquids groove (14) rotation angle; The length of described flow channel for liquids groove (14) is the distance of adjacent two solution holes (19); Valve seat (4), valve gap (5), connecting sleeve (7) and valve body (15) are interted by locating stud (6) locates, the connecting sleeve (7) of valve gap (5) left end and valve body (15), be fastened on valve body (15) at valve gap (5) right-hand member through connecting sleeve (4) by bolt, valve gap (5) is connected with valve seat (4) bolt; Described valve body (15) is made up of polyether-ether-ketone (PEEK) low coefficient of friction acid resistant alkali material hard material, and described spool (13) is made for teflon (F4) low coefficient of friction acid resistant alkali material softer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216160.4A CN104879525B (en) | 2015-05-02 | 2015-05-02 | Electric reverse three-channel fluid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216160.4A CN104879525B (en) | 2015-05-02 | 2015-05-02 | Electric reverse three-channel fluid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879525A true CN104879525A (en) | 2015-09-02 |
| CN104879525B CN104879525B (en) | 2017-05-03 |
Family
ID=53947134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510216160.4A Expired - Fee Related CN104879525B (en) | 2015-05-02 | 2015-05-02 | Electric reverse three-channel fluid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879525B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757995A (en) * | 2018-07-24 | 2018-11-06 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
| CN110296258A (en) * | 2018-03-23 | 2019-10-01 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201507A (en) * | 1995-10-31 | 1998-12-09 | 扎米尔·海克 | Fluid control valves |
| JPH11241668A (en) * | 1998-02-26 | 1999-09-07 | Keihin Corp | Step motor flow control valve |
| KR20020086053A (en) * | 2001-05-11 | 2002-11-18 | 가부시기가이샤 후지고오키 | Motor operated valve |
| CN2672401Y (en) * | 2004-01-12 | 2005-01-19 | 韩守军 | Three-way rotary valve |
| CN202469050U (en) * | 2011-12-30 | 2012-10-03 | 钟德斌 | Flow control valve |
| CN202868031U (en) * | 2012-09-28 | 2013-04-10 | 昆山开信机械制造有限公司 | Digital closed-loop control shot material flow valve for shot blasting |
-
2015
- 2015-05-02 CN CN201510216160.4A patent/CN104879525B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201507A (en) * | 1995-10-31 | 1998-12-09 | 扎米尔·海克 | Fluid control valves |
| JPH11241668A (en) * | 1998-02-26 | 1999-09-07 | Keihin Corp | Step motor flow control valve |
| KR20020086053A (en) * | 2001-05-11 | 2002-11-18 | 가부시기가이샤 후지고오키 | Motor operated valve |
| CN2672401Y (en) * | 2004-01-12 | 2005-01-19 | 韩守军 | Three-way rotary valve |
| CN202469050U (en) * | 2011-12-30 | 2012-10-03 | 钟德斌 | Flow control valve |
| CN202868031U (en) * | 2012-09-28 | 2013-04-10 | 昆山开信机械制造有限公司 | Digital closed-loop control shot material flow valve for shot blasting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296258A (en) * | 2018-03-23 | 2019-10-01 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN110296258B (en) * | 2018-03-23 | 2020-12-08 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN108757995A (en) * | 2018-07-24 | 2018-11-06 | 凯铭科技(杭州)有限公司 | A kind of multichannel flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879525B (en) | 2017-05-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |