CN112524285A - Switching valve and tissue dehydrator containing same - Google Patents
Switching valve and tissue dehydrator containing same Download PDFInfo
- Publication number
- CN112524285A CN112524285A CN202011239120.9A CN202011239120A CN112524285A CN 112524285 A CN112524285 A CN 112524285A CN 202011239120 A CN202011239120 A CN 202011239120A CN 112524285 A CN112524285 A CN 112524285A
- Authority
- CN
- China
- Prior art keywords
- switching valve
- fixed
- disc
- fixed disc
- channel
- 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
- 238000009987 spinning Methods 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 8
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 229940057995 liquid paraffin Drugs 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 liquid paraffin Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
- F16K11/0743—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces with both the supply and the discharge passages being on one side of the closure plates
-
- 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
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention belongs to the technical field of tissue hydroextractor, and particularly relates to a switching valve which comprises a fixed disc, a movable disc, a rotating assembly and a valve sleeve, wherein the fixed disc is provided with a first channel and a second channel which penetrate through the fixed disc; the rotating assembly is fixedly arranged on one side of the movable disc, the valve sleeve is sleeved on the fixed disc, the movable disc and the rotating assembly, and a fixed disc support member is arranged at one end of the valve sleeve close to the fixed disc; wherein, the fixed plate is connected with the fixed plate supporting piece in a spinning fit manner. Compared with the prior art, the fixed disc and the fixed disc supporting piece are connected in a spinning processing mode, so that the fixed disc supporting piece and the fixed disc with smaller thickness can be used for fixing, the size of the switching valve is greatly reduced, the operation and the use are convenient, and in addition, the invention also provides the tissue dehydrator.
Description
Technical Field
The invention belongs to the technical field of tissue hydroextractor, and particularly relates to a switching valve and a tissue hydroextractor comprising the same.
Background
The tissue dehydrator is a medical electric control automatic device, and is beneficial to the transparency and wax penetration of tissues by removing water in a tissue sample by using a dehydrating agent, so that paraffin supports the tissues to keep the original state and harden so as to be embedded into blocks, thereby achieving the permanent storage of the tissues. The tissue dehydrator is suitable for laboratories of departments such as medical colleges, hospital departments, medical research units, animal and plant research units, food detection and the like.
Among them, the switching valve is one of important parts of the tissue dehydrator and is used for controlling the outflow of a solvent such as liquid paraffin, xylene, acetone, water, alcohol, or the like. For example, chinese patent publication No. CN102162776A discloses a paraffin switching valve for a tissue dehydrator, which includes a rotary valve core and a valve sleeve, wherein the valve sleeve has a cavity matching with the rotary valve core, the valve sleeve is provided with at least two wax inlet channels communicating with the cavity, the rotary valve core is correspondingly provided with an inlet of a wax inlet pipe, which can be correspondingly communicated with the wax inlet pipe by rotation, and an outlet of the wax inlet pipe is connected to the tissue dehydrator. However, the above prior art still has the following disadvantages:
1) the valve sleeve of the switching valve is rotationally connected with the rotating valve core, and the wax inlet channel is arranged on the valve sleeve, so that the thickness and the volume of the valve sleeve are large, a large amount of space is occupied, and the valve sleeve is inconvenient to heat and use in subsequent operation;
2) a first sealing ring is arranged at the joint of the upper end cover of the switching valve and the rotary valve core, and a second sealing ring is arranged at the joint of the lower end cover of the switching valve and the rotary valve core. Xylene usually has certain corrosivity to the sealing washer, leads to the damage of sealing washer easily in long-term use, and then reduces the gas tightness between rotatory case and the valve barrel, causes the weeping, influences the security performance of device.
In view of the above, there is a need for further improvement of the above prior art to meet the actual production needs.
Disclosure of Invention
The invention aims to provide a switching valve, which effectively solves the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a switching valve, comprising:
the fixed plate is provided with a first channel and a second channel which penetrate through the fixed plate;
the movable disc is rotatably connected with the fixed disc, a third channel is arranged in the movable disc, and the movable disc can correspondingly communicate the first channel, the second channel and the third channel through rotation;
the rotating assembly is fixedly arranged on one side of the movable disc and is used for driving the movable disc to axially rotate;
the valve sleeve is sleeved on the fixed disc, the movable disc and the rotating assembly, and a fixed disc support piece is arranged at one end, close to the fixed disc, of the valve sleeve;
wherein, the fixed plate is connected with the fixed plate supporting piece in a spinning fit manner.
As an improvement of the switching valve, the fixed plate is a ceramic fixed plate.
As an improvement of the switching valve, the fixed disc support is a stainless steel support.
As an improvement of the switching valve, the valve sleeve comprises a fixed ring, a movable disc support and a support frame, the fixed ring and the movable disc support are fixedly connected with the fixed disc support, and the support frame is arranged on one side of the fixed ring.
As an improvement to the switching valve described in the present invention, the rotating assembly includes a first rotating link and a second rotating link, the first rotating link being axially connected to the second rotating link.
As an improvement of the switching valve in the present invention, an end of the first rotating connecting member is provided with a clamping portion, and the first rotating connecting member is fixedly connected with the movable disk through the clamping portion.
As an improvement of the switching valve of the present invention, a spring member is provided between the movable platen and the movable platen support member, and a bearing member is further provided between the spring member and the movable platen.
As an improvement to the switching valve of the present invention, the switching valve further comprises a driving mechanism, and an output end of the driving mechanism passes through the second rotary connecting member and is connected with the first rotary connecting member.
As an improvement of the switching valve of the present invention, the driving mechanism is a servo motor or a stepping motor.
Compared with the prior art, the invention has at least the following beneficial effects:
1) the fixed disc and the fixed disc supporting piece are connected in a spinning processing mode, so that the fixed disc supporting piece with smaller thickness can be fixed with the fixed disc, the size of the switching valve is greatly reduced, the operation and the use are convenient, the occupied space of the switching valve in the tissue dehydrator is reduced, and certain production cost is saved;
2) the fixed disc and the fixed disc supporting piece are connected in a spinning fit manner, so that the fixed disc supporting piece has certain structural strength, and the air tightness between the fixed disc and the fixed disc supporting piece is also ensured, therefore, when the switching valve works, a sealing ring is not required to be used for sealing, the phenomenon that the sealing ring of the traditional switching valve is easily corroded by dimethylbenzene in the long-term use process, and further liquid leakage is generated is prevented, and the service life and the safety performance of the switching valve are effectively improved;
3) the switching valve needs to be heated during working so as to prevent liquid paraffin from solidifying and blocking a pipeline, and after parts processed by spinning continuously work and are heated, the precision and the rigidity can keep better stability, so that the thermal stability of the rotary table type static table is improved by connecting the fixed table and the fixed table supporting piece in a spinning fit mode.
The invention also provides a tissue dehydrator, which comprises a switching valve, wherein the switching valve is the switching valve of the tissue dehydrator in any section. By adopting the switching valve with the structure, the space of the switching valve in the dehydrator is effectively reduced, so that the volume of the dehydrator can be correspondingly reduced, and certain material cost and transportation cost are saved; in addition, the fixed disc of the switching valve and the fixed disc supporting piece are connected in a spinning fit mode, so that the liquid leakage phenomenon of the switching valve is reduced, the frequency of replacing the switching valve of the tissue dehydrator is reduced, and the maintenance cost of the device is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
wherein, 1-fixed disc; 2-a movable disc; 3-a rotating assembly; 4-valve housing; 5-a spring element; 6-a drive mechanism; 7-a bearing member; 11-a first channel; 12-a second channel; 21-a third channel; 31-a first rotational connection; 32-a second rotational connection; 41-fixed disc support member; 42-a fixed ring; 43-a moving plate support; 44-a support frame; 311-a snap-in part.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 3, a switching valve of a tissue dehydrator includes:
the fixed plate 1 is provided with a first channel 11 and a second channel 12 which penetrate through the fixed plate;
the movable disc 2 is rotatably connected with the fixed disc 1, a third channel 21 is arranged in the movable disc 2, and the first channel 11, the second channel 12 and the third channel 21 can be correspondingly communicated through rotation of the movable disc 2;
the rotating assembly 3 is fixedly arranged on one side of the movable disc 2 and is used for driving the movable disc 2 to axially rotate;
the valve sleeve 4 is sleeved on the fixed disc 1, the movable disc 2 and the rotating assembly 3, and one end of the valve sleeve 4 close to the fixed disc 1 is provided with a fixed disc support part 41;
wherein, the fixed disc 1 is connected with the fixed disc support 41 through spinning fit.
In the invention, the fixed disc 1 and the fixed disc support 41 are connected in a spinning fit manner, and according to the characteristics of the spinning process, the fixed disc support 41 with smaller thickness can be fixed with the fixed disc 1 in the processing process of the switching valve, so that the volume of the switching valve is greatly reduced, the switching valve is convenient to operate and use, and the material cost is saved.
Specifically, in the spinning process of the fixed plate 1 and the fixed plate support 41 of the present invention, the fixed plate 1 may be fixed on a mold of a spinning machine, and then the fixed plate support 41 presses the fixed plate support 41 on the fixed plate 1 through a tool such as a spinning wheel or a steel bar, so that the support 41 generates local plastic deformation, and is further connected to the fixed plate 1.
In addition, the fixed disc 1 is connected with the fixed disc support 41 in a spinning fit manner, so that the valve body has certain structural strength, the air tightness between the fixed disc 1 and the fixed disc support 41 is ensured, the phenomenon that a sealing ring of a traditional switching valve is corroded by dimethylbenzene in a long-term use process and is easy to leak is prevented, and the service life and the safety performance of the device are effectively improved.
In addition, in order to avoid the phenomenon that the liquid paraffin in the first channel 11, the second channel 12 and the third channel 21 is solidified in the transmission process, the switching valve in the invention needs to be heated during the operation, and as the spinning processing mode is adopted between the fixed disc 1 and the fixed disc support 41, better precision and rigidity can be still kept after the continuous operation and temperature rise, and the thermal stability of the invention is improved.
Wherein, the fixed plate 1 is a ceramic fixed plate; the surface plate support 41 is a stainless steel support. The fixed plate made of ceramic materials is beneficial to keeping the heating uniformity of the fixed plate 1 in the continuous heating and temperature rising process, the stability is improved, and when the liquid paraffin flows through the first channel 11 and the second channel 12, the liquid paraffin cannot be solidified and block the channels due to over low local temperature; the fixed disc support 41 is made of stainless steel, so that the corrosion resistance of the fixed disc support 41 is enhanced, the service life of the device is further prolonged, and the spinning processing of the fixed disc support 41 is facilitated.
Preferably, the valve housing 4 comprises a fixed ring 42, a movable plate support 43 and a support frame 44, wherein the fixed ring 42 and the movable plate support 43 are both fixedly connected with the fixed plate support 41, and the support frame 44 is disposed on one side of the fixed ring 42.
Preferably, the rotating assembly 3 comprises a first rotating connector 31 and a second rotating connector 32, the first rotating connector 31 and the second rotating connector 32 are axially connected; the end of the first rotating connecting piece 31 is provided with a clamping part 311, and the first rotating connecting piece 31 is fixedly connected with the movable disk 2 through the clamping part 311. Wherein, this joint portion 311 is mainly the structure of lug under normal conditions, when the installation, realizes fixing at driving disk 2 through pegging graft the lug, has made things convenient for the assembly, improves the efficiency of assembly, and of course, joint portion 311 also can set up to other shapes and structures according to specific production requirement, in this embodiment, does not do specific restriction.
Preferably, a spring element 5 is arranged between the movable disk 2 and the movable disk support 43, and a bearing element 7 is arranged between the spring element 5 and the movable disk 2. The spring part 5 is arranged between the movable disc 2 and the movable disc supporting part 43, and can generate elastic acting force on the movable disc 2 and play a certain role in buffering the movable disc 2; in addition, set up bearing spare 7, can support and fix a position first rotation connecting piece 31, prevent that first rotation connecting piece 31 from taking place phenomenons such as skew in the rotation process, and then influencing the rotation accuracy of driving disk 2. In the embodiment, the spring element 5 is a wave spring, and the bearing element 7 is a thrust bearing.
Preferably, the present invention further comprises a driving mechanism 6, and the output end of the driving mechanism 6 is connected with the first rotating connector 31 through the second rotating connector 32. The driving mechanism 6 is used for driving the first rotating connecting piece 31, so that the first rotating connecting piece 31 makes axial rotating motion, and then drives the movable disc 2 to rotate together, and switching of different pipelines is realized. In the present invention, the driving mechanism 6 is typically a servomotor.
The invention also provides a tissue dehydrator, which comprises a switching valve. By adopting the switching valve with the structure, the space of the switching valve in the dehydrator is effectively reduced, so that the volume of the dehydrator can be correspondingly reduced, and certain material cost and transportation cost are saved; in addition, the fixed disc of the switching valve and the fixed disc supporting piece are connected in a spinning fit mode, so that the liquid leakage phenomenon of the switching valve is reduced, the frequency of replacing the switching valve of the tissue dehydrator is reduced, and the maintenance cost of the device is saved.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A switching valve, comprising:
the fixed plate (1) is provided with a first channel (11) and a second channel (12) which penetrate through the fixed plate;
the movable disc (2) is rotatably connected with the fixed disc (1), a third channel (21) is arranged in the movable disc (2), and the movable disc (2) can correspondingly communicate the first channel (11), the second channel (12) and the third channel (21) through rotation;
the rotating assembly (3) is fixedly arranged on one side of the movable disc (2) and is used for driving the movable disc (2) to axially rotate;
the valve sleeve (4) is sleeved on the fixed disc (1), the movable disc (2) and the rotating assembly (3), and a fixed disc support part (41) is arranged at one end, close to the fixed disc (1), of the valve sleeve (4);
wherein the fixed disc (1) is connected with the fixed disc support (41) through spinning fit.
2. The switching valve according to claim 1, wherein: the fixed plate (1) is a ceramic fixed plate.
3. The switching valve according to claim 1, wherein: the fixed disc support (41) is a stainless steel support.
4. The switching valve according to claim 1, wherein: valve barrel (4) are including fixed ring (42), driving disk support piece (43) and support frame (44), fixed ring (42) with driving disk support piece (43) all with fixed disk support piece (41) fixed connection, support frame (44) set up in one side of fixed ring (42).
5. The switching valve according to claim 4, wherein: the rotating assembly (3) comprises a first rotating connecting piece (31) and a second rotating connecting piece (32), and the first rotating connecting piece (31) is axially connected with the second rotating connecting piece (32).
6. The switching valve according to claim 5, wherein: the tip of first rotation connecting piece (31) is provided with joint portion (311), first rotation connecting piece (31) with driving disk (2) pass through joint portion (311) fixed connection.
7. The switching valve according to claim 4, wherein: a spring element (5) is arranged between the movable disc (2) and the movable disc support element (43), and a bearing element (7) is further arranged between the spring element (5) and the movable disc (2).
8. The switching valve according to claim 5, wherein: the device also comprises a driving mechanism (6), and the output end of the driving mechanism (6) penetrates through the second rotating connecting piece (32) to be connected with the first rotating connecting piece (31).
9. The switching valve according to claim 8, wherein: the driving mechanism (6) is a servo motor or a stepping motor.
10. A tissue dehydrator comprising a switching valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239120.9A CN112524285A (en) | 2020-11-09 | 2020-11-09 | Switching valve and tissue dehydrator containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239120.9A CN112524285A (en) | 2020-11-09 | 2020-11-09 | Switching valve and tissue dehydrator containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112524285A true CN112524285A (en) | 2021-03-19 |
Family
ID=74979909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011239120.9A Pending CN112524285A (en) | 2020-11-09 | 2020-11-09 | Switching valve and tissue dehydrator containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112524285A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435179Y (en) * | 2000-01-21 | 2001-06-20 | 瞿超 | Hydrogen energy welding cutter |
| CN201982721U (en) * | 2011-03-23 | 2011-09-21 | 曹松 | Multifunctional distribution valve for tissue dehydrator |
| CN206572020U (en) * | 2017-02-21 | 2017-10-20 | 达科为（深圳）医疗设备有限公司 | Multipassage rotary valve |
| CN206738631U (en) * | 2017-04-17 | 2017-12-12 | 陈金勇 | A kind of multichannel commutation sampling valve |
| CN207921393U (en) * | 2018-01-11 | 2018-09-28 | 厦门松霖科技股份有限公司 | Pressing switching spool |
| CN110513444A (en) * | 2019-09-03 | 2019-11-29 | 绵阳富临精工机械股份有限公司 | A kind of phaser lubricant passage way system |
| CN110617119A (en) * | 2019-09-03 | 2019-12-27 | 绵阳富临精工机械股份有限公司 | Phase adjusting device |
| CN211093660U (en) * | 2019-10-30 | 2020-07-28 | 江苏创益电子科技有限公司 | Easy-to-clean toothpaste extrusion pump |
-
2020
- 2020-11-09 CN CN202011239120.9A patent/CN112524285A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435179Y (en) * | 2000-01-21 | 2001-06-20 | 瞿超 | Hydrogen energy welding cutter |
| CN201982721U (en) * | 2011-03-23 | 2011-09-21 | 曹松 | Multifunctional distribution valve for tissue dehydrator |
| CN206572020U (en) * | 2017-02-21 | 2017-10-20 | 达科为（深圳）医疗设备有限公司 | Multipassage rotary valve |
| CN206738631U (en) * | 2017-04-17 | 2017-12-12 | 陈金勇 | A kind of multichannel commutation sampling valve |
| CN207921393U (en) * | 2018-01-11 | 2018-09-28 | 厦门松霖科技股份有限公司 | Pressing switching spool |
| CN110513444A (en) * | 2019-09-03 | 2019-11-29 | 绵阳富临精工机械股份有限公司 | A kind of phaser lubricant passage way system |
| CN110617119A (en) * | 2019-09-03 | 2019-12-27 | 绵阳富临精工机械股份有限公司 | Phase adjusting device |
| CN211093660U (en) * | 2019-10-30 | 2020-07-28 | 江苏创益电子科技有限公司 | Easy-to-clean toothpaste extrusion pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1270615A (en) | Cooling apparatus on a plastics injection molding machine | |
| CN112524285A (en) | Switching valve and tissue dehydrator containing same | |
| CN102877926A (en) | Automobile engine thermostat and thermoregulation method thereof | |
| CN111346450B (en) | Processing equipment for filter element in air purifier | |
| CN109058519A (en) | A kind of mixing water valve | |
| JPH06509762A (en) | power steering device | |
| KR20110019599A (en) | A clamping apparatus for numerical control type rotary table | |
| CN110630779A (en) | Driving system capable of switching water valves | |
| CN207486121U (en) | A kind of vertical Dual-switch thermostatic valve | |
| CN213530774U (en) | Automatic grinding machine for round pipes | |
| CN213206563U (en) | Electronic expansion valve | |
| CN213929530U (en) | Switching valve for tissue dehydrator | |
| CN212718008U (en) | Electronic expansion valve | |
| CN213929683U (en) | Internal heating type switching valve of tissue dehydrator | |
| CN211360244U (en) | One-way valve stamping device | |
| KR20150004316A (en) | Compressed-air device for controlling valves | |
| CN219570874U (en) | Center line butterfly valve capable of filtering flowing medium | |
| CN214888882U (en) | Control valve of electromechanical heating communication equipment | |
| CN113770396B (en) | Hollow inner-cooling high-speed boring and milling spindle head | |
| CN111306323A (en) | Electric high-pressure high-temperature long-life nano ceramic gas sample introduction switching valve | |
| CN205682773U (en) | Pneumatic rotary dining table | |
| CN220556406U (en) | Cold and hot impact test equipment for semiconductor | |
| CN220930343U (en) | Actuator | |
| CN220561249U (en) | Clamping structure for bearing seat machining | |
| CN218476988U (en) | Vulcanizing equipment for processing rubber sealing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |