CN102135192B - Liquid distribution valve for tissue dehydrator - Google Patents
Liquid distribution valve for tissue dehydrator Download PDFInfo
- Publication number
- CN102135192B CN102135192B CN2011100692174A CN201110069217A CN102135192B CN 102135192 B CN102135192 B CN 102135192B CN 2011100692174 A CN2011100692174 A CN 2011100692174A CN 201110069217 A CN201110069217 A CN 201110069217A CN 102135192 B CN102135192 B CN 102135192B
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- valve
- liquid
- tissue processor
- liquid dispensing
- rotating shaft
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Abstract
The invention relates to a liquid distribution valve for a tissue dehydrator. The liquid distribution valve comprises a valve shell, and a distribution valve plug which can be rotated in the valve shell; a plurality of liquid inlet holes are uniformly distributed on the valve shell along the circumferential direction; the distribution valve plug is provided with a liquid communication hole which can be communicated with the liquid inlet holes through rotation and an optoelectronic switch control device for controlling the distribution valve plug to rotate; the optoelectronic switch control device comprises an optoelectronic signal receiving unit, a dividing plate and a control device; the diving plate is coaxially arranged on a rotation shaft of the distribution valve plug; open slots of which the number is the same as that of the liquid inlet holes on the valve shell are uniformly distributed on the dividing plate along the circumstantial direction; and the optoelectronic signal receiving unit is arranged at the corresponding position of the open slots of the dividing plate. Accurate control is realized by adopting an optoelectronic switch, the structure of the distribution valve plug is improved, the volume is reduced, the friction surface is reduced, driving power is lower, the liquid distribution valve is rotated more flexibly, and can act in place more reliably, the sealing effect is improved, and the phenomenon of liquid leakage is avoided.
Description
Technical field
The present invention relates to tissue processor's component technical field, especially a kind of liquid dispensing valve that is used for tissue processor.
Background technique
Disease is done the pathology diagnosis; At first to the censorship tissue specimen need fix, dehydration, processing transparent, waxdip process the paraffin mass section; Pathological analysis pretreatments such as all kinds of solvents dewaters, transparent, waxdip are immersed in tissue processor to the automatic follow procedure of human body or animal vegetable tissue, be applicable to that department laboratories such as medical colleges and schools, hospital pathology department, medical research unit, animals and plants R&D institution and food inspection use.Existing tissue processor is divided into two types by working method; One type be with several fluid cylinders that Treatment Solution such as different solutions such as alcohol, xylol, liquid paraffin are housed by circumferential arrangement or linear array, with mechanical arm tissue specimen is immersed fluid cylinder successively then to handle; Another kind of is with in pump the container that fills tissue specimen that liquid in each fluid cylinder suction successively one is fixing.Adopt the Haug drainer of first kind working method to eliminate gradually because capacity is little, efficient is low; The Haug drainer capacity of second type of working method of employing is big, efficient is higher and obtain the higher market share; The liquid dispensing valve that this type Haug drainer needs a good seal performance, is active in one's movements; Mix when preventing that various liquid from extracting out in turn, influence the treatment effect of tissue specimen.
Existing liquid dispensing valve along the circumferential direction is evenly equipped with some inlet openings on valve seat, spool is provided with liquid-through hole, utilizes valve core rotation, liquid-through hole is connected with certain liquid inlet opening, thereby exports certain liquid.The general motor driving spool rotated several angle that adopts in the existing technology, motor is according to the input electrical signal work of control system, and error is bigger, and normal the appearance rotated phenomenon not in place, causes the joint sealing poor, produces the leakage problem.
Summary of the invention
The technical problem that the present invention will solve is: in order to solve the deficiency that existing technology exists; The present invention provides a kind of liquid dispensing valve that is used for tissue processor; Adopt optoelectronic switch can control the rotation angle that distributes spool accurately; Make operation sensitiveer, avoid occurring rotating technical problem not in place.
The technical solution adopted for the present invention to solve the technical problems is: a kind of liquid dispensing valve that is used for tissue processor; Comprise valve casing and the distribution spool that can in valve casing, rotate; Valve casing along the circumferential direction is uniformly distributed with several inlet openings; Distribute and have the liquid-through hole that can be connected with inlet opening on the spool through rotating; Also have control and distribute the optoelectronic switch control gear of valve core rotation, described optoelectronic switch control gear comprises photosignal receiving element, index plate and control gear, and described index plate is coaxial to be installed on the rotatingshaft that distributes spool; Described index plate along the circumferential direction be uniformly distributed with valve casing on the opening slot that equates of inlet opening quantity, described photosignal receiving element is arranged on the opening slot corresponding position of index plate.Adopt the optoelectronic switch control gear to realize accurately control; Opening slot on the index plate is corresponding one by one with inlet opening, and index plate begins to rotate from first opening slot during work, at this moment photosignal receiving element no signal; When forwarding next opening slot to; The photosignal receiving element flows to control system after receiving signal, control system set out time-out rotation command, cycling according to this.
Described valve casing distributes valve seat along the circumferential direction to be uniformly distributed with several inlet openings by the housing that distributes valve seat and valve pocket to form.
Described distribution spool comprises slewing gear and driving mechanism; Slewing gear and driving mechanism are in transmission connection; Offer liquid-through hole on the slewing gear, an end of described liquid-through hole can with the corresponding connection of inlet opening on distributing valve seat, the other end of liquid-through hole is communicated with the clutch release slave cylinder of tissue processor.
Described slewing gear comprises rotating shaft, transverse arm and sucker; Described rotating shaft is coaxial to be located on the valve casing; Rotating shaft one end passes valve pocket and driving mechanism is in transmission connection through link, and the rotating shaft the other end passes the distribution valve seat, and the intermediate portion of rotating shaft offers radial hole; One end of described transverse arm is installed in the radial hole of rotating shaft; On the other end of transverse arm sucker is installed, rotating shaft is near offering the axial bore that is connected respectively on an end that distributes valve seat and the transverse arm, and the axial bore on the transverse arm passes through the corresponding connection of inlet opening on sucker and the distribution valve seat.
Described sucker comprises magnet steel cover and magnetosphere, has the through hole of axial bore that is communicated with transverse arm and the inlet opening that distributes valve seat on the magnet steel cover, and magnet steel cover one end is connected with transverse arm, and the magnet steel cover the other end is installed magnetosphere.Better tightness when magnetosphere can make butt joint.
Described driving mechanism comprises motor, speed reducer and mounting base; Described mounting base is fixedly mounted on the valve pocket end face through at least three upright supports parts; Described link comprises axle sleeve and is coupling; Axle sleeve circumferentially is fixedly connected with being coupling, and axle sleeve is connected with the rotating shaft bearing pin, is coupling to be connected with the output shaft bearing pin of speed reducer.Adopt axle sleeve to make the dismounting maintenance more convenient with being coupling.
Described optoelectronic switch control gear also has zero degree dish and fixed tray; Described fixed tray both ends of the surface are coaxial connection zero degree dish and index plate respectively; Offer a zero degree opening slot on the zero degree dish; Described photosignal receiving element is an infrared rays correlation optoelectronic switch, and the photosignal receiving element is arranged on the opening slot of index plate and the zero degree opening slot corresponding position of zero degree dish, and the photosignal receiving element is through on the assembling set fixed installation valve pocket end face.Set up the zero degree dish and make things convenient for the recognition of devices initial position.
Described index plate, zero degree dish and fixed tray is coaxial is fixedly set on the axle sleeve.
The quantity of described inlet opening is 15, and wherein solvent is used in 9 common dehydrations of connection, and wherein 3 connect washing agents, and all the other 3 connect the wax cylinders, and the quantity of described opening slot should be 15 mutually.
Described valve casing also has a base that is used to install, and makes that distributing valve is more convenient to be installed in the tissue processor reliably.
The invention has the beneficial effects as follows that the liquid dispensing valve that the present invention is used for tissue processor adopts optoelectronic switch to realize accurately control, the structure of improved distribution spool; Volume reduces, and rubbing surface reduces, and driving power is littler; Rotate sensitiveer; Action more reliably puts in place, improves sealing effect, avoids the phenomenon of leakage.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the plan view that is used for the liquid dispensing valve most preferred embodiment of tissue processor of the present invention;
Fig. 2 is the left view that is used for the liquid dispensing valve most preferred embodiment of tissue processor of the present invention;
Fig. 3 is the three-dimensional erection drawing that is used for the liquid dispensing valve most preferred embodiment of tissue processor of the present invention;
Fig. 4 is the three-dimensional exploded view that distributes valve seat 1-1 and valve pocket 1-2 described in the liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention;
Fig. 5 is the three-dimensional structure diagram of optoelectronic switch control gear 3 described in the liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention;
Fig. 6 is the stereogram at another visual angle of index plate 3-1 described in the liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention;
Fig. 7 is the three-dimensional structure diagram that distributes spool 2 described in the liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention;
Fig. 8 is the three-dimensional structure diagram of slewing gear 2-1 described in the liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention.
Among the figure: 1. valve casing, 1-1. distributes valve seat, the 1-11. inlet opening, the 1-2. valve pocket, the 1-3. base 2. distributes spool; 2-1. slewing gear, 2-11. rotating shaft, 2-12. transverse arm, 2-13. sucker, 2-131. magnet steel cover, 2-132. magnetosphere; 2-2. driving mechanism, 2-21. motor, 2-22. speed reducer, 2-23. mounting base, 2-3. link, 3. optoelectronic switch control gear; 3-1. the photosignal receiving element, 3-2. index plate, 3-21. opening slot, 3-3. zero-bit dish, 3-31. zero degree opening slot, 3-4. fixed tray.
Embodiment
Combine accompanying drawing that the present invention is done further detailed explanation now.These accompanying drawings are the schematic representation of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Shown in Fig. 1-8; The liquid dispensing valve most preferred embodiment that is used for tissue processor of the present invention; Comprise valve casing 1 and the distribution spool 2 that can in valve casing 1, rotate; Valve casing 1 along the circumferential direction is uniformly distributed with 15 inlet openings, distributes to have the liquid-through hole that can be connected with inlet opening 1-11 through rotating on the spool 2, it is characterized in that: also have the optoelectronic switch control gear 3 that control distributes spool 2 to rotate; Optoelectronic switch control gear 3 comprises photosignal receiving element 3-1, index plate 3-2 and control gear; Index plate 3-2 is coaxial to be installed on the rotatingshaft that distributes spool 2, and index plate 3-2 along the circumferential direction is uniformly distributed with 15 opening slot 3-21, and photosignal receiving element 3-1 is arranged on the opening slot 3-21 corresponding position of index plate 3-2.
The quantity of inlet opening 1-11 is 15, and wherein solvent is used in 9 common dehydrations of connection, and wherein 3 connect washing agents, and all the other 3 connect the wax cylinders, and the quantity of opening slot 3-21 should be 15 mutually.Photosignal receiving element 3-1 is through detecting the break-make of the opening slot 3-21 realization circuit on the index plate 3-2; Thereby control distributes the rotation of spool 2, should guarantee during installation that liquid-through hole that photosignal receiving element 3-1 detects opening slot 3-21 position time-division dispensing spool 2 is over against an inlet opening 1-11.
As shown in Figure 4, valve casing 1 distributes valve seat 1-1 along the circumferential direction to be uniformly distributed with several inlet openings 1-11 by the housing that distributes valve seat 1-1 and valve pocket 1-2 to form, and valve casing 1 also has a base 1-3 who is used to install.
Distribute spool 2 to comprise slewing gear 2-1 and driving mechanism 2-2; Slewing gear 2-1 and driving mechanism 2-2 are in transmission connection; Offer liquid-through hole on the slewing gear 2-1; One end of liquid-through hole can with the corresponding connection of inlet opening 1-11 on distributing valve seat 1-1, the other end of liquid-through hole is communicated with the clutch release slave cylinder of tissue processor.Slewing gear 2-1 comprises rotating shaft 2-11, transverse arm 2-12 and sucker 2-13; Rotating shaft 2-11 is coaxial to be located on the valve casing 1; Rotating shaft 2-11 one end passes valve pocket 1-2 and driving mechanism 2-2 is in transmission connection through link 2-3, and the rotating shaft 2-11 the other end passes and distributes valve seat 1-1, and the intermediate portion of rotating shaft 2-11 offers radial hole; The end of transverse arm 2-12 is installed in the radial hole of rotating shaft 2-11; Sucker 2-13 is installed on the other end of transverse arm 2-12, and rotating shaft 2-11 is near offering the axial bore that is connected respectively on an end that distributes valve seat 1-1 and the transverse arm 2-12, and the axial bore on the transverse arm 2-12 passes through the corresponding connection of inlet opening on sucker 2-13 and the distribution valve seat 1-1.Sucker 2-13 comprises magnet steel cover 2-131 and magnetosphere 2-132; The through hole that has axial bore that is communicated with transverse arm 2-12 and the inlet opening that distributes valve seat 1-1 on the magnet steel cover 2-131; Magnet steel cover 2-131 one end is connected with transverse arm 2-12, and the magnet steel cover 2-131 the other end is installed magnetosphere 2-132.
Driving mechanism 2-2 comprises motor 2-21, speed reducer 2-22 and mounting base 2-23; Mounting base 2-23 is fixedly mounted on the valve pocket 1-2 end face through at least three upright supports parts; Link 2-3 comprises axle sleeve and is coupling; Axle sleeve circumferentially is fixedly connected with being coupling, and axle sleeve is connected with rotating shaft 2-11 bearing pin, and being coupling is connected with the output shaft bearing pin of speed reducer 2-22.
Shown in Figure 6 like Fig. 5; Optoelectronic switch control gear 3 also has zero degree dish 3-3 and fixed tray 3-4; Fixed tray 3-4 both ends of the surface are coaxial connection zero degree dish 3-3 and index plate 3-2 respectively; Offer a zero degree opening slot 3-31 on the zero degree dish 3-3; Photosignal receiving element 3-1 is an infrared rays correlation optoelectronic switch, and photosignal receiving element 3-1 is arranged on the opening slot 3-21 of index plate 3-2 and the zero degree opening slot 3-31 corresponding position of zero degree dish 3-3, and photosignal receiving element 3-1 is through on the assembling set 3-5 fixed installation valve pocket 1-2 end face.Index plate 3-2, zero degree dish 3-3 and fixed tray 3-4 is coaxial is fixedly set on the axle sleeve.Set up zero degree dish 3-3, make things convenient for the recognition of devices initial position.
Liquid dispensing valve of the present invention can be widely used in and need carry out the dispensing device that multidirectional liquid switches, and is not limited to tissue processor.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must confirm its technical scope according to the claim scope.
Claims (10)
1. liquid dispensing valve that is used for tissue processor; Comprise valve casing (1) and the distribution spool (2) that can in valve casing (1), rotate; Valve casing (1) along the circumferential direction is uniformly distributed with several inlet openings; Distribute and have the liquid-through hole that can be connected with inlet opening (1-11) on the spool (2) through rotating; It is characterized in that: also have the optoelectronic switch control gear (3) that control distributes spool (2) to rotate, described optoelectronic switch control gear (3) comprises photosignal receiving element (3-1), index plate (3-2) and control gear, and described index plate (3-2) is coaxial to be installed on the rotatingshaft that distributes spool (2); Described index plate (3-2) along the circumferential direction be uniformly distributed with valve casing (1) on the opening slot (3-21) that equates of inlet opening (1-11) quantity, described photosignal receiving element (3-1) is arranged on opening slot (3-21) corresponding position of index plate (3-2).
2. the liquid dispensing valve that is used for tissue processor as claimed in claim 1 is characterized in that: described valve casing (1) distributes valve seat (1-1) along the circumferential direction to be uniformly distributed with several inlet openings (1-11) by the housing that distributes valve seat (1-1) and valve pocket (1-2) to form.
3. the liquid dispensing valve that is used for tissue processor as claimed in claim 2; It is characterized in that: described distribution spool (2) comprises slewing gear (2-1) and driving mechanism (2-2); Slewing gear (2-1) is in transmission connection with driving mechanism (2-2); Offer liquid-through hole on the slewing gear (2-1), an end of described liquid-through hole can with the corresponding connection of inlet opening (1-11) on distributing valve seat (1-1), the other end of liquid-through hole is communicated with the clutch release slave cylinder of tissue processor.
4. the liquid dispensing valve that is used for tissue processor as claimed in claim 3; It is characterized in that: described slewing gear (2-1) comprises rotating shaft (2-11), transverse arm (2-12) and sucker (2-13); Described rotating shaft (2-11) is coaxial to be located on the valve casing (1); Rotating shaft (2-11) end passes valve pocket (1-2) and is in transmission connection through link (2-3) with driving mechanism (2-2); Rotating shaft (2-11) the other end passes and distributes valve seat (1-1); The intermediate portion of rotating shaft (2-11) offers radial hole, and an end of described transverse arm (2-12) is installed in the radial hole of rotating shaft (2-11), and sucker (2-13) is installed on the other end of transverse arm (2-12); Rotating shaft (2-11) is near offering the axial bore that is connected respectively on an end that distributes valve seat (1-1) and the transverse arm (2-12), and the axial bore on the transverse arm (2-12) passes through the corresponding connection of inlet opening on sucker (2-13) and the distribution valve seat (1-1).
5. the liquid dispensing valve that is used for tissue processor as claimed in claim 4; It is characterized in that: described sucker (2-13) comprises magnet steel cover (2-131) and magnetosphere (2-132); Have the axial bore of connection transverse arm (2-12) and the through hole of the inlet opening that distributes valve seat (1-1) on the magnet steel cover (2-131); Magnet steel cover (2-131) end is connected with transverse arm (2-12), and magnet steel cover (2-131) the other end is installed magnetosphere (2-132).
6. the liquid dispensing valve that is used for tissue processor as claimed in claim 4; It is characterized in that: described driving mechanism (2-2) comprises motor (2-21), speed reducer (2-22) and mounting base (2-23); Described mounting base (2-23) is fixedly mounted on valve pocket (1-2) end face through at least three upright supports parts; Described link (2-3) comprises axle sleeve and is coupling; Axle sleeve circumferentially is fixedly connected with being coupling, and axle sleeve is connected with rotating shaft (2-11) bearing pin, and being coupling is connected with the output shaft bearing pin of speed reducer (2-22).
7. the liquid dispensing valve that is used for tissue processor as claimed in claim 6; It is characterized in that: described optoelectronic switch control gear (3) also has zero degree dish (3-3) and fixed tray (3-4); Described fixed tray (3-4) both ends of the surface are coaxial connection zero degree dish (3-3) and index plate (3-2) respectively; Offer a zero degree opening slot (3-31) on the zero degree dish (3-3); Described photosignal receiving element (3-1) is an infrared rays correlation optoelectronic switch; Photosignal receiving element (3-1) is arranged on the opening slot (3-21) of index plate (3-2) and zero degree opening slot (3-31) corresponding position of zero degree dish (3-3), and photosignal receiving element (3-1) is through on assembling set (3-5) fixed installation valve pocket (1-2) end face.
8. the liquid dispensing valve that is used for tissue processor as claimed in claim 7 is characterized in that: described index plate (3-2), zero degree dish (3-3) and coaxial being fixedly set on the axle sleeve of fixed tray (3-4).
9. the liquid dispensing valve that is used for tissue processor as claimed in claim 1; It is characterized in that: the quantity of described inlet opening (1-11) is 15; Wherein solvent is used in 9 common dehydrations of connection; Wherein 3 connect washing agent, and all the other 3 connect the wax cylinder, and the quantity of described opening slot (3-21) should be 15 mutually.
10. the liquid dispensing valve that is used for tissue processor as claimed in claim 2 is characterized in that: described valve casing (1) also has a base that is used to install (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100692174A CN102135192B (en) | 2011-03-22 | 2011-03-22 | Liquid distribution valve for tissue dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100692174A CN102135192B (en) | 2011-03-22 | 2011-03-22 | Liquid distribution valve for tissue dehydrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102135192A CN102135192A (en) | 2011-07-27 |
| CN102135192B true CN102135192B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100692174A Expired - Fee Related CN102135192B (en) | 2011-03-22 | 2011-03-22 | Liquid distribution valve for tissue dehydrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN102135192B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879242A (en) * | 2012-05-04 | 2013-01-16 | 常州市中威电子仪器有限公司 | Closed tissue dehydrator |
| CN102980787B (en) * | 2012-12-26 | 2015-09-30 | 力合科技（湖南）股份有限公司 | Locator is inhaled in the sampling detected for water-based |
| CN103953777B (en) * | 2014-04-02 | 2016-06-01 | 新疆广陆能源科技股份有限公司 | Chromatographic grade sampling valve electric switching device |
| CN109142661A (en) * | 2018-08-15 | 2019-01-04 | 吕智 | A kind of flow divider for water quality monitoring system |
| CN109899561A (en) * | 2019-04-08 | 2019-06-18 | 南京纳摩尔仪器有限公司 | A kind of multi-pass selector valve of ceramic substrate |
| CN110108533B (en) * | 2019-05-24 | 2023-10-24 | 常州派斯杰医疗设备有限公司 | Tissue dehydrator |
| CN114072605A (en) * | 2020-05-29 | 2022-02-18 | 中国船舶重工集团公司第七一一研究所 | Rotary valve and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156437A (en) * | 1978-02-21 | 1979-05-29 | The Perkin-Elmer Corporation | Computer controllable multi-port valve |
| EP1150050A2 (en) * | 2000-04-26 | 2001-10-31 | Valvules y Racords Canovelles, S.A. | A distributor for liquids |
| CN2530257Y (en) * | 2002-02-10 | 2003-01-08 | 常州市中威电子仪器厂 | Liquid distributing valve |
| CN201622197U (en) * | 2010-02-01 | 2010-11-03 | 湖北泰维科技实业有限公司 | Distributing valve of full-automatic totally closed tissue dehydrator |
| CN201973284U (en) * | 2011-03-22 | 2011-09-14 | 常州市中威电子仪器有限公司 | Liquid distributing valve for tissue processor |
-
2011
- 2011-03-22 CN CN2011100692174A patent/CN102135192B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4156437A (en) * | 1978-02-21 | 1979-05-29 | The Perkin-Elmer Corporation | Computer controllable multi-port valve |
| EP1150050A2 (en) * | 2000-04-26 | 2001-10-31 | Valvules y Racords Canovelles, S.A. | A distributor for liquids |
| CN2530257Y (en) * | 2002-02-10 | 2003-01-08 | 常州市中威电子仪器厂 | Liquid distributing valve |
| CN201622197U (en) * | 2010-02-01 | 2010-11-03 | 湖北泰维科技实业有限公司 | Distributing valve of full-automatic totally closed tissue dehydrator |
| CN201973284U (en) * | 2011-03-22 | 2011-09-14 | 常州市中威电子仪器有限公司 | Liquid distributing valve for tissue processor |
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| CN102135192A (en) | 2011-07-27 |
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