CN203009915U - Two-position four-way valve and closed type automatic organization dehydrator - Google Patents
Two-position four-way valve and closed type automatic organization dehydrator Download PDFInfo
- Publication number
- CN203009915U CN203009915U CN 201220588292 CN201220588292U CN203009915U CN 203009915 U CN203009915 U CN 203009915U CN 201220588292 CN201220588292 CN 201220588292 CN 201220588292 U CN201220588292 U CN 201220588292U CN 203009915 U CN203009915 U CN 203009915U
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- way valve
- spool
- core
- inner port
- coupling shaft
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Abstract
The utility model provides a two-position four-way valve and a closed type automatic organization dehydrator using the two-position four-way valve. The two-position four-way valve and the closed type automatic organization dehydrator comprise a work room and an air storage pipe; the work room is connected with the air storage pipe through an air pipe; the work room is provided with a reagent inlet and a reagent outlet; the two-position four-way valve and the closed type automatic organization dehydrator further comprise the two-position four-way valve and an air pump; and the air storage pipe, the two-position four-way valve and the air pump are connected through air pipes. The two-position four-way valve which is adopted by the closed type automatic organization dehydrator and controls air pressure inside the work room has the advantages of good corrosion resistance, high integration level and high stability, thereby reducing a failure rate of closed type automatic organization dehydration; and service life is prolonged.
Description
Technical field
The utility model relates to a kind of Haug drainer, relates in particular to a kind of closed automatic tissue hydroextractor.
Background technique
The working principle of closed automatic tissue hydroextractor is: biopsy tissues is positioned over the working room, the reagent that is used for dehydration enters the dehydration that the working room completes biopsy tissues successively, reagent is to complete by the pressure variation of working room into and out of the working room, namely, when the working room was in negative pressure state, reagent entered the working room by the liquid path distribution valve, when the working room is in barotropic state, working room's reagent is discharged the working room by the liquid path distribution valve, enters the reagent storage bucket.
The working room just (is bearing) formation of pressing and is relying on the working room and annotate (taking out) air and form, namely in the situation that the air pump normal operation, the control on tube road meets this requirement, traditional controlling method, be to be divided into two groups with four solenoid valves, control that its break-make completes, as closed automatic tissue hydroextractor, the control of reagent is very crucial, and it will directly have influence on the functional reliability of Haug drainer.
Facts have proved: because some unpredictable reasons such as quality, reliability and corrosion resistance of solenoid valve, control with four traditional solenoid valves, the fault that closed automatic tissue hydroextractor produces accounts for more than 70% of whole equipment failure, affect to a great extent the control of reagent, thereby reduced the reliability of Haug drainer.
The model utility content
The technical problems to be solved in the utility model is: in order to solve the existing higher problem of rate of fault of using the Haug drainer of electromagnetic valve working room internal air pressure, the utility model provides a kind of closed automatic tissue hydroextractor to use two-position four-way valve to control working room's internal air pressure and has solved the problems referred to above.
the technological scheme that its technical problem that solves the utility model adopts is: a kind of two-position four-way valve, comprise valve body, valve gap and be arranged on the interior rotation of cavity that valve body and valve gap form and be communicated with assembly, described rotation is communicated with assembly and comprises spool, turn core and drive and turn the drive unit that core rotates, the described core cap that turns is on spool, described spool has two groups of connected units, described two connected units have respectively two runners, the runner of described two groups of connected units all has the inner port and the external tapping that is connected with the external world for internal communication, described four inner port are arranged on spool and turn core and contact on end face, described four external tappings are arranged on the spool side, described turn have on core and end face that spool contacts make turn core rotate a circle on spool middle can make two connected units at the same time connected sum hinder simultaneously and close the channel slot that switches between two states.
embodiment one, described drive unit comprises rolling bearing, gland, transmission shaft, coupling shaft, friction plate and swivel nut, described swivel nut is arranged on the rolling bearing periphery, described gland is arranged on and turns on core, described friction plate is arranged between transmission shaft and gland, described transmission shaft has through hole, pin also is installed in described through hole, described coupling shaft has the cotter way that is connected for pin, also be provided with spacing block set on described valve body, have on described gland and coordinate the restraining groove of installing with spacing block set, the central position of described coupling shaft and transmission shaft also is provided with a spheroid, on described coupling shaft border also cover be useful on rolling bearing the elastic component of pretightening force be provided to coupling shaft, described rolling bearing and coupling shaft are in transmission connection.
As preferably, described elastic component is belleville spring.
Embodiment two, and described drive unit is actuating motor or stepper motor.
As preferably, described four inner port are distributed on same circumference, described two connected units are the first connected unit and the second connected unit, two inner port of described the first connected unit become 60 ° of central angle settings, two inner port of described the second connected unit become 60 ° of central angle settings, and described two 60 ° of central angles are one group of vertical angles.
Concrete, described two channel slots pile setting according to the position of four inner port.
In order to extend spool and the working life that turns core, described spool is the teflon material with turning core.
A kind of closed automatic tissue hydroextractor that uses above-mentioned two-position four-way valve, comprise working room and gas storing pipe, described working room is connected by tracheae with gas storing pipe, described working room has the reagent inlet/outlet, also comprise two-position four-way valve and air pump, connect by tracheae between described gas storing pipe and two-position four-way valve and air pump.
Concrete, described two-position four-way valve also connects drive motor.
In embodiment, described two-position four-way valve quantity is two, is respectively the second two-position four-way valve be used to first two-position four-way valve of bleeding and gas injection.
As preferably, described gas storing pipe quantity is at least one.
The beneficial effects of the utility model are, the two-position four-way valve that working room's internal air pressure is controlled that this closed automatic tissue hydroextractor adopts has advantages of good corrosion resistance, level of integration is high and stable high, thereby reduced the rate of fault of totally-enclosed tissue dewatering, improved working life.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of two-position four-way valve most preferred embodiment.
Fig. 2 is the front view of the spool of two-position four-way valve.
Fig. 3 is the side sectional view of runner.
Fig. 4 is the front view that turns core print seat of two-position four-way valve.
Fig. 5 is the side sectional view that turns core print seat of two-position four-way valve.
Fig. 6 is the closed embodiment of the automatic tissue hydroextractor one working room's feed liquor fundamental diagram of the utility model.
Fig. 7 is the closed embodiment of the automatic tissue hydroextractor two working rooms discharge opeing of the utility model fundamental diagram.
In figure 1, the working room, 2, gas storing pipe, the 3, first two-position four-way valve, the 4, second two-position four-way valve,
5, air pump, 6, the reagent inlet/outlet, 7, runner, 8, inner port, 9, external tapping, 10, channel slot, 11, valve body, 12, valve gap, 13, spool, 14, turn core, 15, rolling bearing, 16, gland, 17, transmission shaft, 18, coupling shaft, 19, friction plate, 20, pin, 21, spheroid, 22, elastic component, 23, swivel nut, 24, spacing block set.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
as shown in Figure 1, the utility model provides a kind of two-position four-way valve, comprise valve body 11, valve gap 12 and be arranged on the interior rotation of cavity that valve body 11 and valve gap 12 form and be communicated with assembly, rotate the connection assembly and comprise spool 13, turn core 14 and drive and turn the drive unit that core 14 rotates, turning core 14 is placed on spool 13, spool 13 has two groups of connected units, two connected units have respectively two runners 7, the runner 7 of two groups of connected units all has for the inner port 8 of internal communication and the external tapping 9 that is connected with the external world, four inner port 8 are arranged on spool 13 and turn core 14 and contact on end face, four external tappings 9 are arranged on spool 13 sides, turn have on core 14 and end face that spool 13 contacts make turn core 14 rotate a circle on spool 13 middle can make two connected units at the same time connected sum hinder simultaneously and close the channel slot 10 that switches between two states.
embodiment one, drive unit comprises rolling bearing 15, gland 16, transmission shaft 17, coupling shaft 18, friction plate 19 and swivel nut 23, swivel nut 23 is arranged on rolling bearing 15 peripheries, gland 16 is arranged on and turns on core 14, friction plate 19 is arranged between transmission shaft 17 and gland 16, transmission shaft 17 has through hole, pin 20 also is installed in through hole, coupling shaft 18 has for pin 20 grooves that are connected with pin 20, also be provided with spacing block set 24 on valve body 11, have on gland 16 and coordinate the restraining groove of installing with spacing block set 24, the central position of coupling shaft 18 and transmission shaft 17 also is provided with a spheroid 21, on coupling shaft 18 borders also cover be useful on rolling bearing 15 elastic component 22 of pretightening force be provided to coupling shaft 18, rolling bearing 15 is in transmission connection with coupling shaft 18, elastic component 22 is belleville spring.
Embodiment two, and drive unit is actuating motor or stepper motor.
As shown in Fig. 2～4, in preferred embodiment, four inner port 8 are distributed on same circumference, two connected units are the first connected unit and the second connected unit, 8 one-tenth 60 ° of central angle settings of two inner port of the first connected unit, 8 one-tenth 60 ° of central angle settings of two inner port of the second connected unit, two 60 ° of central angles are one group of vertical angles, two channel slots 10 pile setting according to the position of four inner port 8, in order to extend spool 13 and the working life that turns core 14, spool 13 is the teflon material with turning core 14.
A kind of closed automatic tissue hydroextractor, comprise working room 1 and gas storing pipe 2, working room 1 is connected by tracheae with gas storing pipe 2, working room 1 has reagent inlet/outlet 6, also comprise two-position four-way valve and air pump 5, connect by tracheae between gas storing pipe 2 and two-position four-way valve and air pump 5, two-position four-way valve also connects drive motor, and gas storing pipe 2 quantity are at least one.
in embodiment, two-position four-way valve quantity is two, be respectively the second two-position four-way valve 4 be used to first two-position four-way valve 3 of bleeding and gas injection, as shown in Figure 6, working room's 1 feed liquor: air pump 5 work, the first two-position four-way valve 3 conductings, the second two-position four-way valve 4 cut-offs, the gas of working room 1 is by gas storing pipe 2, 1-1 mouth and the 1-2 mouth of the first two-position four-way valve 3 enter air pump 5, the relief opening of air pump 5 is by the 1-3 mouth of the first two-position four-way valve 3, the 1-4 mouth is discharged, this moment, working room 1 was in negative pressure state, reagent advances by reagent, outlet 6 enters working room 1.
As shown in Figure 7, working room's 1 discharge opeing: air pump 5 work, the second two-position four-way valve 4 conductings, the first two-position four-way valve 3 cut-offs, the air of air pump 5 enters working room 1 by 2-2 mouth, 2-1 mouth and the gas storing pipe 2 of the second two-position four-way valve 4, make working room 1 form malleation, the reagent of 1 li of working room is discharged from reagent inlet/outlet 6.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to the claim scope.
Claims (11)
1. two-position four-way valve, comprise valve body (11), valve gap (12) and the rotation that is arranged in the cavity that valve body (11) and valve gap (12) form are communicated with assembly, it is characterized in that: described rotation is communicated with assembly and comprises spool (13), turn core (14) and driving and turn the drive unit that core (14) rotates, the described core (14) that turns is placed on spool (13), described spool (13) has two groups of connected units, described two connected units have respectively two runners (7), the runner of described two groups of connected units (7) all has the inner port (8) and the external tapping that is connected with the external world (9) for internal communication, described four inner port (8) are arranged on spool (13) and turn core (14) and contact on end face, described four external tappings (9) are arranged on spool (13) side, described turn have on core (14) and end face that spool (13) contacts make turn core (14) rotate a circle on spool (13) middle can make two connected units at the same time connected sum hinder simultaneously and close the channel slot (10) that switches between two states.
2. two-position four-way valve as claimed in claim 1, it is characterized in that: described drive unit comprises rolling bearing (15), gland (16), transmission shaft (17), coupling shaft (18), friction plate (19) and swivel nut (23), described swivel nut (23) is arranged on rolling bearing (15) periphery, described gland (16) is arranged on and turns on core (14), described friction plate (19) is arranged between transmission shaft (17) and gland (16), described transmission shaft (17) has through hole, pin (20) also is installed in described through hole, described coupling shaft (18) has for pin (20) groove that is connected with pin (20), also be provided with spacing block set (24) on described valve body (11), have on described gland (16) and coordinate the restraining groove of installing with spacing block set (24), the central position of described coupling shaft (18) and transmission shaft (17) also is provided with a spheroid (21), on described coupling shaft (18) border also cover be useful on rolling bearing (15) elastic component (22) of pretightening force be provided to coupling shaft (18), described rolling bearing (15) is in transmission connection with coupling shaft (18).
3. two-position four-way valve as claimed in claim 2, it is characterized in that: described elastic component (22) is belleville spring.
4. two-position four-way valve as claimed in claim 1, it is characterized in that: described drive unit is actuating motor or stepper motor.
5. two-position four-way valve as claimed in claim 1, it is characterized in that: described four inner port (8) are distributed on same circumference, described two connected units are the first connected unit and the second connected unit, two inner port (8) of described the first connected unit become 60 ° of central angle settings, two inner port (8) of described the second connected unit become 60 ° of central angle settings, and described two 60 ° of central angles are one group of vertical angles.
6. two-position four-way valve as claimed in claim 5, it is characterized in that: described two channel slots (10) pile setting according to the position of four inner port (8).
7. two-position four-way valve as claimed in claim 1 is characterized in that: described spool (13) and turn core (14) and be the teflon material.
8. the closed automatic tissue hydroextractor of the described two-position four-way valve of any one in a use such as claim 1～7, comprise working room (1) and gas storing pipe (2), described working room (1) is connected by tracheae with gas storing pipe (2), described working room (1) has reagent inlet/outlet (6), it is characterized in that: also comprise two-position four-way valve and air pump (5), connect by tracheae between described gas storing pipe (2) and two-position four-way valve and air pump (5).
9. closed automatic tissue hydroextractor as claimed in claim 8, it is characterized in that: described two-position four-way valve also connects drive motor.
10. closed automatic tissue hydroextractor as claimed in claim 8, it is characterized in that: described two-position four-way valve quantity is two, is respectively the second two-position four-way valve (4) be used to first two-position four-way valve (3) of bleeding and gas injection.
11. closed automatic tissue hydroextractor as claimed in claim 8 is characterized in that: described gas storing pipe (2) quantity is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588292 CN203009915U (en) | 2012-11-09 | 2012-11-09 | Two-position four-way valve and closed type automatic organization dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588292 CN203009915U (en) | 2012-11-09 | 2012-11-09 | Two-position four-way valve and closed type automatic organization dehydrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009915U true CN203009915U (en) | 2013-06-19 |
Family
ID=48601512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588292 Expired - Fee Related CN203009915U (en) | 2012-11-09 | 2012-11-09 | Two-position four-way valve and closed type automatic organization dehydrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108533A (en) * | 2019-05-24 | 2019-08-09 | 常州派斯杰医疗设备有限公司 | Tissue processor |
| CN111336147A (en) * | 2020-03-16 | 2020-06-26 | 杭州师范大学钱江学院 | All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof |
-
2012
- 2012-11-09 CN CN 201220588292 patent/CN203009915U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108533A (en) * | 2019-05-24 | 2019-08-09 | 常州派斯杰医疗设备有限公司 | Tissue processor |
| CN110108533B (en) * | 2019-05-24 | 2023-10-24 | 常州派斯杰医疗设备有限公司 | Tissue dehydrator |
| CN111336147A (en) * | 2020-03-16 | 2020-06-26 | 杭州师范大学钱江学院 | All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof |
| CN111336147B (en) * | 2020-03-16 | 2021-08-31 | 杭州师范大学钱江学院 | All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU ZHONGWEI MEDICAL INSTRUMENT CO., LTD. Free format text: FORMER OWNER: CHANGZHOU TEXLAB ELECTRONIC INSTRUMENT CO., LTD. Effective date: 20140425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 213014 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140425 Address after: Lihua road Tianning District 213014 Jiangsu city of Changzhou province 6-1 Patentee after: Changzhou Zhongwei Medical Instrument Co., Ltd. Address before: Lihua road Tianning District 213000 Jiangsu city of Changzhou province 6-1 Patentee before: Changzhou Texlab Electronic Instrument Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |