CN108061811A - Facilitate the biosensor for cultivating liquid displacement - Google Patents
Facilitate the biosensor for cultivating liquid displacement Download PDFInfo
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- CN108061811A CN108061811A CN201711350385.4A CN201711350385A CN108061811A CN 108061811 A CN108061811 A CN 108061811A CN 201711350385 A CN201711350385 A CN 201711350385A CN 108061811 A CN108061811 A CN 108061811A
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- pipeline
- sealing patch
- biosensor
- diaphragm body
- cushion block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid-Driven Valves (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a kind of biosensors for facilitating and cultivating liquid and replacing, and including sensor body and the fluid reservoir being arranged in sensor body, the fluid reservoir is the cavity being closed in sensor body；The first pipeline and the second pipeline being arranged in sensor body are further included, one end of first pipeline is intersected with the top of fluid reservoir cavity wall, and the other end of the first pipeline intersects with the surface of sensor body；One end of second pipeline and the bottom extremity of fluid reservoir cavity wall, the other end of the second pipeline intersect with the surface of sensor body；Two block valves being connected in sensor body are further included, for one of block valve for controlling the switching state of the first pipeline, another block valve is used to control the switching state of the second pipeline；Gas source pipe quick coupling is also associated on the other end of first pipeline.This sensor has the characteristics that liquid is easy to change in fluid reservoir.
Description
Technical field
The present invention relates to detection utensil technical field, more particularly to a kind of biosensor for facilitating and cultivating liquid and replacing.
Background technology
Biosensor (biosensor) is a kind of sensitive to biological substance and its concentration is converted to electric signal progress
The instrument of detection.It is to make recognition component (including enzyme, antibody, antigen, microorganism, cell, group by the biological sensitive materials of immobilization
Knit, the bioactive substances such as nucleic acid), appropriate physics and chemistry energy converter (such as oxygen electrode, photosensitive tube, field-effect tube, piezo-electric crystal
Deng) and signal amplifying apparatus form analysis tool or system.
Biosensor is widely used in Environmental quality analysis, but existing biosensor be mostly laboratory class product, it is necessary to
Artificial liquid feeding and drain and cleaning.Operating process is cumbersome and high to personnel requirement, is unfavorable for water analysis equipment and realizes
Line monitors, and scale industrialization difficulty is big.
The content of the invention
Artificial liquid feeding, drain and cleaning are needed for existing biosensor set forth above, it is cumbersome and to personnel
It is required that the problem of high, the present invention provides a kind of biosensor for facilitating and cultivating liquid and replacing, this sensor has in fluid reservoir
The characteristics of liquid is easy to change.
It is provided by the invention that the biosensor for cultivating liquid displacement is facilitated to be solved the problems, such as by following technical essential：It is convenient
The biosensor of liquid displacement is cultivated, including sensor body and the fluid reservoir being arranged in sensor body, the fluid reservoir
To be closed in the cavity in sensor body；
Further include the first pipeline and the second pipeline being arranged in sensor body, one end of first pipeline and liquid storage
The top of chamber wall is intersected, and the other end of the first pipeline intersects with the surface of sensor body；One end of second pipeline with
The bottom extremity of fluid reservoir cavity wall, the other end of the second pipeline intersect with the surface of sensor body；
Two block valves being connected in sensor body are further included, one of block valve is for the first pipeline of control
Switching state, another block valve are used to control the switching state of the second pipeline；
Gas source pipe quick coupling is also associated on the other end of first pipeline.
Specifically, in the present solution, the fluid reservoir is arranged to sensor body for accommodating the liquid in biosensor
It is upper to include the first pipeline and the second pipeline, while by the position restriction to both the first pipeline, the second pipeline import and export, it can
So that sensor, in liquid storage, the second pipeline is as inlet tube, the first pipeline as balance pipe；When sensor changes liquid, second
For pipeline as outlet tube, the first pipeline quickly goes out liquid for introducing purge gas, with realize fluid reservoir.Meanwhile in the present solution,
By setting gas source pipe quick coupling on the first pipeline, facilitate and realize feed liquor time shift except gas source pipe and gas source pipe quick coupling
Connection is pressed with realizing, when fluid reservoir goes out liquid, by connecting gas source pipe for introducing purge gas into fluid reservoir.We
It, can by being arranged to each first pipeline with being both provided with block valve on the second pipeline for controlling the break-make of corresponding pipeline in case
By closing two block valves with when opening two block valves, liquid storage when going out liquid in feed liquor, to realize liquid stabilising volume in fluid reservoir
It accommodates.
To sum up, the biosensor that this programme provides has the characteristics that liquid is easy to change and thorough in fluid reservoir.
Further technical solution is：
As the specific implementation of block valve, the block valve includes diaphragm body, is arranged on diaphragm body front
Two panels sealing patch, be additionally provided on the diaphragm body perforation diaphragm body just, the centre bore on back of the body two sides；
The centre bore is circular hole；
The arc-shaped sheet of the sealing patch, and each sealing patch is concentric with centre bore, the thickness of each sealing patch
It is：It is linearly increasing to the other end by the one end of itself；
Two panels sealing patch is uniformly distributed compared with centre bore annular；
The cushion block for hard material is additionally provided on the back side of the diaphragm body, is additionally provided on the cushion block and center
The concentric circular through hole in hole；
The projection of diaphragm body towards cushion block falls within the edge of cushion block；
The threaded rod being fixedly connected by the circular through hole with cushion block is further included, the threaded rod is backward through centre bore
One side extension where sealing patch；
It is also set up in the sensor body there are two accommodating chamber, and in both the first pipeline and the second pipeline, wherein one
Person passes through one of accommodating chamber, and another one passes through another accommodating chamber, and each has following relation with corresponding accommodating chamber：Each
It is in the same plane with two nozzles that corresponding accommodating chamber cavity wall is crossed to form；
Different block valves are installed in different accommodating chambers, and each block valve passes through threaded rod thereon and sensor body spiral shell
Line connects, and the one side that sealing patch is provided on each block valve is closed with the plane where corresponding accommodating chamber upper orifice in face
System, two sealing patch are respectively from different nozzles in face relation, during threaded rod is rotated, sealing patch and nozzle place
Plane fitting or away from the plane where nozzle.In the present solution, the shaft when threaded rod is block valve rotation, screw thread
Interference connection, welding etc. can be used in the specific type of attachment of bar and cushion block, and the outer surface of each sealing patch is as this block valve
Sealing surface, the face where two nozzle of sealing surface face, since each sealing patch is linearly increasing to opposite side by one side, when into
When liquid pipe needs to block, the point that rotating shaft causes each sealing patch thicker contacts respectively with different nozzles；When inlet tube needs
During connection, rotating shaft removes the pertinent relation of sealing patch and nozzle.
To sum up, when break-make of the more than block valve for the first pipeline of biosensor fluid reservoir, the second pipeline controls, use
Forward and reverse this block valve of rotation can be realized, i.e., this programme has the characteristics that simple in structure, small, especially suitable for existing
The small size design of biosensor；It is arranged to include cushion block simultaneously, macromolecule plate, sheet metal can be used in more than cushion block
Deng in this way, Yi Shang cushion block can particularly exist as the supporting layer of diaphragm body, so that during diaphragm body is rotated
When sealing patch is contacted with nozzle, there is diaphragm body shape retentivity to be bonded with realizing that sealing patch and nozzle are good,
So as to achieve the effect that sealing orifice；In the present solution, both the centre bore and circular through hole and composition one wear shaft
Through hole, in this way, this block valve is when mounted, when the one side of threaded rod is compared with diaphragm body front evagination, opposite side compared with
During the evagination of the cushion block back side, the both sides that realization is truncated valve is facilitated to be supported, in this way, can effectively ensure that sealing patch is rotating
To the stability of sealing performance during correspondence position；In the present solution, the threaded rod is arranged to as shaft, in this way, can be convenient
Realize the installation of this block valve；Preferably, when being arranged to locular wall screw-in threaded rod, sealing patch turns on this block valve
Dynamic direction is to be moved by the thicker laterally thinner one side of sealing patch, in this way, the sealing of the stroke of screw thread and positive line up
Patch local thickness increaseds or decreases to superposition, it can be achieved that block valve fast onset blocks, connects control function.
The projection of sealing patch towards diaphragm body falls within the edge of diaphragm body.In the present solution, sealing patch, diaphragm
Body, cushion block three relative position setting, can be realized by the diaphragm body part in circle outside where sealing patch to holding
Receive the sealing of chamber：Diaphragm, if diaphragm body is using rubber pad, can be passed through as a part for accommodating chamber cavity wall using upper diaphragm body
Body has pressure always when being installed on biosensor between the exterior portion and biosensor of diaphragm body, with
Using the elasticity of itself, in diaphragm body rotatably simultaneously so that accommodating chamber seals.
As the specific implementation of diaphragm body and cushion block, the diaphragm body and cushion block are in the form of annular discs, and diaphragm
Body is concentric with cushion block.
As a kind of realization method convenient for manufacture and assembling, the sealing patch is pasted on the front of diaphragm body.
As a kind of realization method convenient for manufacture and assembling, the back side of the sealing patch is Nian Jie with the front of cushion block to be connected
It connects.
It is rotated for convenience of driving block valve, turning handle is additionally provided on the side of the cushion block.
As described above, block valve needs to wear threaded rod when in use, to be implemented for upper diaphragm body
Sealing to gap between centre bore and shaft, the aperture of the centre bore are less than the aperture of circular through hole, the threaded rod
Outer diameter is between the internal diameter of centre bore and the internal diameter of circular through hole.In the present solution, the part of threaded rod through diaphragm body is
Polished rod, cushion block are metal, and are connected between cushion block and threaded rod using spot welding.
Each sealing patch is to be internally provided with the hollow-core construction of sealing cavity.In the present solution, sealing patch is preferably provided with
It is rubber for material, in this way, it is hollow-core construction to be arranged to each sealing patch, in this way, can be by pouring nitrogen in sealing cavity
Gas etc. compared to sealing patch is arranged to as solid material, may be such that sealing patch can keep good elasticity for a long time, to keep away
Exempt from sealing patch because aging causes break-in facility to lose.
The invention has the advantages that：
In the present solution, the fluid reservoir is used to accommodate the liquid in biosensor, in the present solution, being arranged to sensor sheet
Include the first pipeline and the second pipeline on body, while by the position restriction to both the first pipeline, the second pipeline import and export,
Sensor be may be such that in liquid storage, the second pipeline is as inlet tube, the first pipeline as balance pipe；When sensor changes liquid, the
For two pipelines as outlet tube, the first pipeline quickly goes out liquid for introducing purge gas, with realize fluid reservoir.Meanwhile this programme
In, by setting gas source pipe quick coupling on the first pipeline, facilitate and realize feed liquor time shift except gas source pipe and the fast quick access of gas source pipe
The connection of head is pressed with realizing, when fluid reservoir goes out liquid, by connecting gas source pipe for introducing purge gas into fluid reservoir.
In the present solution, it is used to control the logical of corresponding pipeline with being both provided with block valve on the second pipeline by being arranged to each first pipeline
It is disconnected, it can be by closing two block valves with when opening two block valves, liquid storage when going out liquid in feed liquor, to realize liquid stabilising in fluid reservoir
Volume accommodates.
To sum up, the biosensor that this programme provides has the characteristics that liquid is easy to change and thorough in fluid reservoir.
Description of the drawings
Fig. 1 is that of the present invention facilitate is cultivated in one specific embodiment of biosensor that liquid is replaced, block valve
Top view；
Fig. 2 is that of the present invention facilitate is cultivated in one specific embodiment of biosensor that liquid is replaced, block valve
Front view；
Fig. 3 is along the sectional view in A-A directions shown in Fig. 1；
Fig. 4 is the sectional view of biosensor one specific embodiment of the present invention for facilitating and cultivating liquid displacement.
Number in figure is followed successively by：1st, diaphragm body, 2, sealing patch, 3, centre bore, 4, turning handle, 5, cushion block, 6, screw thread
Bar, 7, sensor body, 71, fluid reservoir, the 72, first pipeline, the 73, second pipeline, 74, gas source pipe quick coupling, 8, block valve.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in Figures 1 to 4, facilitate the biosensor for cultivating liquid displacement, including sensor body 7 and be arranged at sensing
Fluid reservoir 71 on device body 7, the fluid reservoir 71 are the cavity being closed in sensor body 7；
Further include the first pipeline 72 and the second pipeline 73 being arranged in sensor body 7, the one of first pipeline 72
End is intersected with the top of 71 cavity wall of fluid reservoir, and the other end of the first pipeline 72 intersects with the surface of sensor body 7；Described second
One end of pipeline 73 and the bottom extremity of 71 cavity wall of fluid reservoir, the other end of the second pipeline 73 and the surface phase of sensor body 7
It hands over；
Two block valves 8 being connected in sensor body 7 are further included, one of block valve 8 is managed for controlling first
The switching state on road 72, another block valve 8 are used to control the switching state of the second pipeline 73；
Gas source pipe quick coupling 74 is also associated on the other end of first pipeline 72.
Specifically, in the present solution, the fluid reservoir 71 is used to accommodate the liquid in biosensor, in the present solution, setting
To include the first pipeline 72 and the second pipeline 73 in sensor body 7, while by both the first pipeline 72, the second pipeline 73
The position restriction of import and export may be such that sensor in liquid storage, and the second pipeline 73 is as inlet tube, the first pipeline 72 as equal
Pressure pipe；When sensor changes liquid, the second pipeline 73 is used as outlet tube, and the first pipeline 72 is for introducing purge gas, to realize storage
Liquid chamber 71 quickly goes out liquid.Meanwhile in the present solution, by setting gas source pipe quick coupling 74 on the first pipeline 72, facilitate reality
Existing feed liquor time shift is pressed except gas source pipe and the connection of gas source pipe quick coupling 74 with realizing, when fluid reservoir 71 goes out liquid, passes through company
Gas source pipe is connect for introducing purge gas into fluid reservoir 71.In the present solution, by being arranged to each first pipeline 72 and second
Block valve 8 is both provided on pipeline 73 for controlling the break-make of corresponding pipeline, it can be by being blocked in feed liquor and opening two when going out liquid
Two block valves 8 are closed when valve 8, liquid storage, liquid stabilising volume accommodates in fluid reservoir 71 to realize.
To sum up, the biosensor that this programme provides has the characteristics that liquid is easy to change and thorough in fluid reservoir 71.
Embodiment 2：
As shown in Figures 1 to 4, the present embodiment is further qualified on the basis of embodiment 1：Tool as block valve 8
Body realization method, the block valve 8 includes diaphragm body 1, the two panels sealing patch 2 being arranged on 1 front of diaphragm body, described
Be additionally provided on diaphragm body 1 perforation diaphragm body 1 just, the centre bore 3 on back of the body two sides；
The centre bore 3 is circular hole；
The arc-shaped sheet of sealing patch 2, and each sealing patch 2 is concentric with centre bore 3, each sealing patch 2
Thickness is：It is linearly increasing to the other end by the one end of itself；
Two panels sealing patch 2 is uniformly distributed compared with 3 annular of centre bore；
The cushion block 5 for hard material is additionally provided on the back side of the diaphragm body 1, be additionally provided on the cushion block 5 with
The concentric circular through hole of centre bore 3；
The projection of diaphragm body 1 towards cushion block 5 falls within the edge of cushion block 5；
The threaded rod 6 being fixedly connected by the circular through hole with cushion block 5 is further included, the threaded rod 6 passes through centre bore 3
One side extension where backward sealing patch 2；
It is also set up in the sensor body 7 there are two accommodating chamber, and in 73 the two of the first pipeline 72 and the second pipeline,
Middle one passes through one of accommodating chamber, and another one passes through another accommodating chamber, and each has following relation with corresponding accommodating chamber：
Each and two nozzles that corresponding accommodating chamber cavity wall is crossed to form are in the same plane；
Different block valves 8 are installed in different accommodating chambers, and each block valve 8 passes through threaded rod 6 thereon and sensor sheet
Body 7 is threadedly coupled, and the one side that sealing patch 2 is provided on each block valve 8 is in the plane where corresponding accommodating chamber upper orifice
Face relation, two sealing patch 2 are respectively from different nozzles in face relation, during threaded rod 6 is rotated, sealing patch 2
It is bonded with the plane where nozzle or away from the plane where nozzle.It is rotated in the present solution, the threaded rod 6 is block valve 8
When shaft, threaded rod 6 and the specific type of attachment of cushion block 5 can be used interference and be connected, weld, the appearance of each sealing patch 2
Sealing surface of the face as this block valve 8, the face where two nozzle of sealing surface face, due to each sealing patch 2 by one side extremely
Opposite side is linearly increasing, when inlet tube needs to block, point that rotating shaft causes each sealing patch 2 thicker respectively from different pipes
Mouth contact；When inlet tube needs connection, rotating shaft removes sealing patch 2 and the pertinent relation of nozzle.
To sum up, more than block valve 8 controls for the break-make of 71 first pipeline 72 of biosensor fluid reservoir, the second pipeline 73
When, it can be realized using forward and reverse rotation this block valve 8, i.e., this programme has the characteristics that simple in structure, small, especially suitable
It is designed for the small size of existing biosensor；Be arranged to include cushion block 5 simultaneously, more than cushion block 5 can be used macromolecule plate,
Sheet metal etc., in this way, Yi Shang cushion block 5 can be as the supporting layer of diaphragm body 1, so that rotating the process of diaphragm body 1
In, particularly when sealing patch 2 is contacted with nozzle, diaphragm body 1 has shape retentivity to realize sealing patch 2 and pipe
The good fitting of mouth, so as to achieve the effect that sealing orifice；In the present solution, both the centre bore 3 and circular through hole and composition
One through hole for wearing shaft, in this way, this block valve 8 is when mounted, when the one side of threaded rod 6 is compared with 1 front of diaphragm body
Evagination when opposite side is compared with 5 back side evagination of cushion block, facilitates the both sides that realization is truncated valve 8 to be supported, in this way, can have
Effect ensures the stability of the sealing performance when turning to correspondence position of sealing patch 2；In the present solution, it is arranged to the threaded rod 6
As shaft, in this way, the installation of this block valve 8 can be realized easily；Preferably, it is arranged to screw in threaded rod 6 to the locular wall
When, the rotation direction of sealing patch 2 is to be moved by the thicker laterally thinner one side of sealing patch 2 on this block valve 8, this
Sample, the stroke of screw thread and 2 local thickness of sealing patch of positive line up are increasedd or decreased to being superimposed, it can be achieved that block valve 8 is quick
Performance is blocked, connects control function.
In the present embodiment, 72 and second pipeline 73 of the first pipeline includes vertical section and horizontal segment, the first pipeline 72
It is located at the upper end of sensor body 7 positioned at the one end on 7 surface of sensor body, the second pipeline 73 is located at 7 surface of sensor body
One end be located at the lower end of sensor body 7.When manufacturing this sensor, first processed by the side of sensor body 7 described
Accommodating chamber, then horizontal segment is drilled by the bottom of chamber of accommodating chamber, vertical section is drilled by the bottom surface or bottom surface of sensor body 7, in level
Section obtains corresponding pipeline after intersecting with vertical section.Block valve 8 is installed on by the side of sensor body 7 in corresponding accommodating chamber.This
Sample, horizontal segment are all extended in accommodating chamber, and the end of horizontal segment is as the nozzle.It may be such that this programme has using this programme
Fabricate the characteristics of easy, easy to assembly.
The projection of sealing patch 2 towards diaphragm body 1 falls within the edge of diaphragm body 1.In the present solution, sealing patch 2,
Diaphragm body 1,5 three of cushion block relative position setting, can by 1 part of diaphragm body in circle outside where sealing patch 2,
Realize the sealing to accommodating chamber：Rubber can be used as a part for accommodating chamber cavity wall, such as diaphragm body 1 using upper diaphragm body 1
Pad, by diaphragm body 1 when being installed on biosensor, begins between the exterior portion and biosensor of diaphragm body 1
There is pressure eventually, it is rotatable simultaneously in diaphragm body 1 so that accommodating chamber seals to utilize the elasticity of itself.
As the specific implementation of diaphragm body 1 and cushion block 5, the diaphragm body 1 and cushion block 5 are in the form of annular discs, and
Diaphragm body 1 and cushion block 5 are concentric.
As a kind of realization method convenient for manufacture and assembling, the sealing patch 2 is pasted on the front of diaphragm body 1
On.
As a kind of realization method convenient for manufacture and assembling, the back side of the sealing patch 2 is Nian Jie with the front of cushion block 5
Connection.
It is rotated for convenience of driving block valve 8, turning handle 4 is additionally provided on the side of the cushion block 5.
As described above, block valve 8 needs to wear threaded rod 6 when in use, to can be used in reality with upper diaphragm body 1
Now to the sealing in gap between centre bore 3 and shaft, the aperture of the centre bore 3 is less than the aperture of circular through hole, the screw thread
The outer diameter of bar 6 is between the internal diameter of centre bore 3 and the internal diameter of circular through hole.In the present solution, threaded rod 6 passes through diaphragm body 1
Part for polished rod, cushion block 5 is metal, and is connected between cushion block 5 and threaded rod 6 using spot welding.
Each sealing patch 2 is to be internally provided with the hollow-core construction of sealing cavity.In the present solution, sealing patch 2 is preferably set
Material is set to as rubber, in this way, it is hollow-core construction to be arranged to each sealing patch 2, in this way, can be by being poured in sealing cavity
Nitrogen etc. compared to sealing patch 2 is arranged to as solid material, may be such that sealing patch 2 can keep good elasticity for a long time,
To avoid sealing patch 2 because aging causes break-in facility to lose.
The above content is combine specific preferred embodiment to the further description of the invention made, it is impossible to assert this
The specific embodiment of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (9)
1. facilitate the biosensor for cultivating liquid displacement, including sensor body (7) and the storage being arranged in sensor body (7)
Liquid chamber (71), which is characterized in that the fluid reservoir (71) is the cavity being closed in sensor body (7)；
Further include the first pipeline (72) being arranged in sensor body (7) and the second pipeline (73), first pipeline (72)
One end intersect with the top of fluid reservoir (71) cavity wall, the other end of the first pipeline (72) and the surface phase of sensor body (7)
It hands over；One end of second pipeline (73) and the bottom extremity of fluid reservoir (71) cavity wall, the other end and biography of the second pipeline (73)
Intersect on the surface of sensor body (7)；
Two block valves (8) being connected in sensor body (7) are further included, one of block valve (8) is for control first
The switching state of pipeline (72), another block valve (8) are used to control the switching state of the second pipeline (73)；
Gas source pipe quick coupling (74) is also associated on the other end of first pipeline (72).
2. according to claim 1 facilitate the biosensor for cultivating liquid displacement, which is characterized in that the block valve (8)
Including diaphragm body (1), the two panels sealing patch (2) being arranged on diaphragm body (1) front, gone back on the diaphragm body (1)
Be provided with perforation diaphragm body (1) just, the back of the body two sides centre bore (3)；
The centre bore (3) is circular hole；
The arc-shaped sheet of sealing patch (2), and each sealing patch (2) is concentric with centre bore (3), each sealing patch
(2) thickness is：It is linearly increasing to the other end by the one end of itself；
Two panels sealing patch (2) is uniformly distributed compared with centre bore (3) annular；
The cushion block (5) for hard material is additionally provided on the back side of the diaphragm body (1), is additionally provided on the cushion block (5)
The concentric circular through hole with centre bore (3)；
The projection of diaphragm body (1) towards cushion block (5) falls within the edge of cushion block (5)；
The threaded rod (6) being fixedly connected by the circular through hole with cushion block (5) is further included, the threaded rod (6) passes through center
One side extension where the backward sealing patch (2) in hole (3)；
It is also set up on the sensor body (7) there are two accommodating chamber, and in the first pipeline (72) and the second pipeline (73) the two,
One of which passes through one of accommodating chamber, and another one passes through another accommodating chamber, and each has with corresponding accommodating chamber with ShiShimonoseki
System：Each and two nozzles that corresponding accommodating chamber cavity wall is crossed to form are in the same plane；
Different block valves (8) are installed in different accommodating chambers, and each block valve (8) passes through threaded rod (6) and sensor thereon
Body (7) is threadedly coupled, and the one side of sealing patch (2) and corresponding accommodating chamber upper orifice place are provided on each block valve (8)
Plane in face relation, two sealing patch (2) are rotating the process of threaded rod (6) respectively from different nozzles in face relation
In, sealing patch (2) is bonded with the plane where nozzle or away from the plane where nozzle.
3. according to claim 2 facilitate the biosensor for cultivating liquid displacement, which is characterized in that sealing patch (2) court
The projection of diaphragm body (1) falls within the edge of diaphragm body (1).
4. according to claim 3 facilitate the biosensor for cultivating liquid displacement, which is characterized in that the diaphragm body
(1) and cushion block (5) is in the form of annular discs, and diaphragm body (1) and cushion block (5) are concentric.
5. according to claim 2 facilitate the biosensor for cultivating liquid displacement, which is characterized in that the sealing patch
(2) it is pasted on the front of diaphragm body (1).
6. according to claim 2 facilitate the biosensor for cultivating liquid displacement, which is characterized in that the sealing patch
(2) the back side and the positive bonding connection of cushion block (5).
7. as claimed in any of claims 2 to 6 facilitate the biosensor for cultivating liquid displacement, which is characterized in that
Turning handle (4) is additionally provided on the side of the cushion block (5).
8. as claimed in any of claims 2 to 6 facilitate the biosensor for cultivating liquid displacement, which is characterized in that
The aperture of the centre bore (3) is less than the aperture of circular through hole, and the outer diameter of the threaded rod (6) is between the internal diameter of centre bore (3)
Between the internal diameter of circular through hole.
9. as claimed in any of claims 2 to 6 facilitate the biosensor for cultivating liquid displacement, which is characterized in that
Each sealing patch (2) is the hollow-core construction for being internally provided with sealing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350385.4A CN108061811B (en) | 2017-12-15 | 2017-12-15 | Biosensor convenient for cultivating liquid replacement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350385.4A CN108061811B (en) | 2017-12-15 | 2017-12-15 | Biosensor convenient for cultivating liquid replacement |
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| CN108061811A true CN108061811A (en) | 2018-05-22 |
| CN108061811B CN108061811B (en) | 2023-05-23 |
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