CN206177976U - Clamping valve and possess clamping valve's autoanalysis device - Google Patents
Clamping valve and possess clamping valve's autoanalysis device Download PDFInfo
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- CN206177976U CN206177976U CN201590000307.XU CN201590000307U CN206177976U CN 206177976 U CN206177976 U CN 206177976U CN 201590000307 U CN201590000307 U CN 201590000307U CN 206177976 U CN206177976 U CN 206177976U
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- press surface
- clamping bar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/045—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by electric or magnetic means
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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
- G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
- G01N35/1097—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers characterised by the valves
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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
- G01N2035/00346—Heating or cooling arrangements
- G01N2035/00356—Holding samples at elevated temperature (incubation)
-
- 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
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0453—Multiple carousels working in parallel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a clamping valve and possess clamping valve's autoanalysis device. Clamping valve possesses: the portion that keeps of pipe that the fluid passes through keeps enabling, by the curved surface form with the double -layered pipe connector that by the aforesaid portion of keeping touch the press surface, the clamping bar, it is separating and is pressing from both sides pipe and above -mentioned press surface to settings of buying an estate, and the shape of pressing from both sides the part that the pipe connector touched with the aforesaid to be in order forming with roughly the same shape of above -mentioned press surface and roughly the same diameter, and the width d of the shape of the part of above -mentioned contact is roughly 1.5 times of this clamp thickness of managing, and through so that the changeable mode of distance between above -mentioned press surface and the above -mentioned clamping bar drives, carry out the above -mentioned actuating mechanism who closes or open who presss from both sides the pipe. From this, can make the deflection minimizing of managing that presss from both sides as regular replacement parts through press surface, the shape of clamping bar and the volume of the flattening optimization of clamping bar that makes clamping valve, improve the maintainability of device.
Description
Technical field
This utility model is related to be provided with the automatic analysing apparatus of the folder valve for the folder valve of closed flow and in runner.
Background technology
A kind of automatic analysing apparatus are recorded in patent documentation 1, field of the automatic analysing apparatus in clinical examination room
In for determining by the organism sample of the generations such as blood, urine, possess the valve that is measured with the control of runner and runner entered
Row closing, opening control.As the valve for runner control, there is folder valve on main species.
Folder valve makes clamping bar work by using coil, clamp is pressed using clamping bar and press surface, shutoff valve.This folder
Valve is occasionally used for for example discarding to produce blocking relative to the liquid containing particle and air in terms of the switching of runner
Determine the purposes of the waste stream road switching part of the detection body after terminating.
Prior art literature
Patent documentation
Patent documentation 1：Japanese Unexamined Patent Publication 10-300752 publication
Utility model content
Utility model problem to be solved
In the opening and closing of the runner of the automatic analysing apparatus for needing continuously to process many detection bodies as clinical examination room
In the case of using folder valve, by the on-off action of valve repeatedly, exist around the clamp contacted with the clamping bar and press surface of folder valve
Surface when more than during scheduled maintenance the then damaged probability of fatigue cracking.The clamp is periodic replacement part, installation folder
The device of valve needs regularly to keep in repair.The user of device cannot perform analysis in periodic maintenance is performed, and there is inspection and process effect
The probability that rate declines.
This utility model is in view of above-mentioned problem, its object is to prevent the fatigue of clamp, the maintainability of raising device.
Method for solving problem
In view of the structure of the application utility model of above-mentioned problem is as described below.
That is, the folder valve according to scheme one, it is characterised in that possess：The holding of the clamp that holding can be enabled flow through
Portion；Press surface, it is formed the face contacted with clamp by curved surface, and the clamp is kept by above-mentioned maintaining part；Across clamp with it is above-mentioned
Press surface is opposed to arrange, the shape of the part contacted with above-mentioned clamp with above-mentioned press surface same shape and same diameter shape
Into the width d of the shape of the above-mentioned part for being contacted is the clamping bar of 1.5 times of the thickness of the clamp；By so that above-mentioned pressing
The face mode variable with the distance between above-mentioned clamping bar is driven, and carries out the closing of above-mentioned clamp or the drive mechanism of opening.
Folder valve according to scheme two, in scheme one, what above-mentioned press surface and above-mentioned clamping bar were contacted with above-mentioned clamp
Curvature R in face is more than the 1/3 of the width d in the face that the press surface and the clamping bar are contacted with the clamp.
Folder valve according to scheme three, is the silicone rubber that thickness t is 0.5~1.5mm in above-mentioned clamp in scheme two
In the case of material, R is 1.5.
Folder valve according to scheme four, in scheme one, above-mentioned drive mechanism includes coil portion, is driven by the coil portion
Movable core, attract movable core secured core, the folder valve be in closed state in the case of, above-mentioned drive mechanism lead to
Cross makes above-mentioned movable core carry out action to above-mentioned secured core using above-mentioned coil portion, above-mentioned clamping bar is moved to above-mentioned clamp
It is dynamic, press above the above-mentioned clamp of closed object and following by being utilized respectively above-mentioned press surface and above-mentioned clamping bar, to become
Surface pressure p is that the mode of pressing quantity H1 that can overcome intrinsic pressure confining pressure P1 in clamp controls above-mentioned press surface with above-mentioned folder
The distance between bar.
Folder valve according to scheme five, is the silicone rubber that thickness is 0.5~1.5mm in above-mentioned clamp in scheme four
In the case of material, pressing quantity H1 is 1.7~2.0mm.
Automatic analysing apparatus according to scheme six, it possesses the analysis portion of analysis measure object sample, is used in point
Runner that the fluid of analysis passes through and the folder valve that above-mentioned runner is opened and closed according to analysis process, the spy of the automatic analysing apparatus
Levy and be, above-mentioned folder valve possesses：Keep the maintaining part of clamp；Press surface, it is formed the face contacted with clamp by curved surface, the clamp
Kept by above-mentioned maintaining part；Clamping bar, it is opposed to arrange across clamp and above-mentioned press surface, the part contacted with above-mentioned clamp
Shape to be formed with above-mentioned press surface same shape and same diameter, the width d of the shape of the part of above-mentioned contact is the folder
1.5 times of the thickness of pipe；And by being driven in the mode for making above-mentioned press surface variable with the distance between above-mentioned clamping bar,
Carry out the closing of above-mentioned clamp or the drive mechanism of opening.
Automatic analysing apparatus according to scheme seven, in the automatic analysing apparatus of division six, above-mentioned analysis portion has
The flow cell test section of measure object composition contained in organism origin sample is either quantitatively or qualitatively detected, above-mentioned folder valve is located at
Make on the runner that fluid connects with flow cell test section.
Automatic analysing apparatus according to scheme eight, in scheme six, above-mentioned press surface and above-mentioned clamping bar and above-mentioned folder
Curvature R in the face of pipe contact is more than the 1/3 of the width d in the face that the press surface and the clamping bar are contacted with the clamp.
Automatic analysing apparatus according to scheme nine, are that thickness t is 0.5~1.5mm in above-mentioned clamp in scheme eight
Silicone rubber material in the case of, R is 1.5.
Automatic analysing apparatus according to scheme ten, in scheme six, above-mentioned drive mechanism is including coil portion, by the line
Movable core, the secured core of attraction movable core that circle portion drives, in the case where the folder valve is in closed state, above-mentioned drive
Motivation structure makes above-mentioned movable core carry out action to above-mentioned secured core by using above-mentioned coil portion, makes above-mentioned clamping bar to above-mentioned
Clamp is moved, and presses above the above-mentioned clamp of closed object and following by being utilized respectively above-mentioned press surface and above-mentioned clamping bar,
By become surface pressure p control as in the way of can overcome pressing quantity H1 of intrinsic pressure confining pressure P1 in clamp above-mentioned press surface with
The distance between above-mentioned clamping bar.
Automatic analysing apparatus according to scheme 11, in scheme ten, above-mentioned clamp be thickness for 0.5~
In the case of the silicone rubber material of 1.5mm, pressing quantity H1 is 1.7mm.
Utility model effect
According to this utility model, by possessing said structure, can provide can reliably reduce clamp fatigue and reliably
Control the closing of runner and the folder valve of opening and possess the automatic analysing apparatus of the folder valve.
Description of the drawings
Fig. 1 is the figure of that represents automatic analysing apparatus.
Fig. 2 is the flow passage structure figure of the flowing pool detector for including possessing folder valve of the present utility model.
Fig. 3 is the structure chart for pressing from both sides valve.
Enlarged drawing around the clamp press surface of folder valve when Fig. 4 is the valve opening of prior art.
Enlarged drawing around the clamp press surface of folder valve when Fig. 5 is the valve closing of prior art.
The enlarged drawing of folder valve when Fig. 6 A are the valve closing for making contact surface be curve form.
The enlarged drawing of folder valve when Fig. 6 B are the valve closing for making contact surface be curve form.
Fig. 7 is the schematic diagram of the relation of the deflection at the shape and clamp maximum distortion position for representing contact surface.
Fig. 8 A are folder valve enlarged drawings when making curve form R in contact surface become valve closing when turning to threeway.
Fig. 8 B are folder valve enlarged drawings when making curve form R in contact surface become valve closing when turning to threeway.
Fig. 8 C are folder valve enlarged drawings when making curve form R in contact surface become valve closing when turning to threeway.
Fig. 9 is the relation of the deflection at the width d of the contact surface for being denoted as curve form and clamp maximum distortion position
Figure.
Figure 10 be the thickness t and clamp surface for representing clamp maximum deformation quantity it is minimum when press surface width d, relation
Figure.
In the case that Figure 11 A are the situation and non-equal shape of the face shape and press surface of clamping bar for identical curve form
, valve closing when folder valve enlarged drawing.
In the case that Figure 11 B are the situation and non-equal shape of the face shape and press surface of clamping bar for identical curve form
, valve closing when folder valve enlarged drawing.
Figure 12 is the enlarged drawing of clamp when pressing from both sides valve valve closing.
Figure 13 is the figure of the relation of the surface pressure attached by clamp pressing quantity and pipe inner face when pressing from both sides valve valve closing.
Specific embodiment
Automatic analysing apparatus are illustrated using Fig. 1.
The automatic analysing apparatus of the present embodiment analytical equipment 100, on frame 101 set up keep sample shuttle
102, the sample dispensing position of the vicinity of sample dispensing nozzle 103 is moved to using shelf for conveying line 117.
Multiple reaction vessels 105 can be set on Incubators for bacteria culture disk 104, can be carried out for making setting in a circumferential direction
Reaction vessel 105 be respectively moved to the rotary motion in precalculated position.
Sample dispensing tip and reaction vessel carrying mechanism 106 can be moved up in the tripartite of X-axis, Y-axis, Z axis, in sample
Dispensing tip and reaction vessel holding member 107, reaction vessel rabbling mechanism 108, sample dispensing tip and reaction vessel are discarded
Hole 109, sample dispensing tip installation site 110, the movement of the scope in the precalculated position of Incubators for bacteria culture disk 104, carry out sample point
Note tip and the carrying of reaction vessel.
Multiple untapped reaction vessels and sample point are set on sample dispensing tip and reaction vessel holding member 107
Note tip.Sample dispensing tip and reaction vessel carrying mechanism 106 are sophisticated and reaction vessel holding member 107 to sample dispensing
Top is mobile, declines and hold rising after untapped reaction vessel, in addition, being moved to the pre-determined bit of Incubators for bacteria culture disk 104
Top is put, declines and arrange reaction vessel.
Then, sample dispensing tip and reaction vessel carrying mechanism 106 are moved to sample dispensing tip and reaction vessel is protected
The top of part 107 is held, declines and hold rising behind untapped sample dispensing tip, be moved to sample dispensing tip installation position
110 top is put, declines and arrange sample dispensing tip.
Sample dispensing nozzle 103 can be rotated and moved up and down, and rotating sample dispensing tip installation site 110 is moved to
Behind top, decline and the front end press-in sample dispensing to sample dispensing nozzle 103 is sophisticated and installs.It is mounted with sample dispensing tip
Sample dispensing nozzle 103 be moved to behind the top of the shuttle 102 being positioned on barrow 101, decline and simultaneously sample held
The sample that device 102 is kept carries out scheduled volume attraction.The sample dispensing nozzle 103 for having attracted sample is moved to Incubators for bacteria culture disk
Behind 104 top, the untapped reaction vessel 105 for declining and being kept to Incubators for bacteria culture disk 104 discharges sample.Work as sample
At the end of discharge, sample dispensing nozzle 103 is moved to the top in sample dispensing tip and the discarded hole 109 of reaction vessel, from discarded
Sample dispensing tip after the discarded use of hole.
Multiple reagent containers 118 are set on reagent disc 111.Reagent disc cover 112 is provided with the top of reagent disc 111, is tried
The inside insulation of agent disk 111 is predetermined temperature.Reagent disc cover opening portion 113 is provided with a part for reagent disc cover 112.Reagent
Dispensing nozzle 114 can rotate and move up and down, and decline behind the top to the peristome 113 of reagent disc cover 112 in rotary moving, will
The front end of reagent dispensing nozzle 114 is immersed in the reagent in predetermined reagent container, and attracts the reagent of scheduled volume.Then,
After reagent dispensing nozzle 114 rises, the top in the precalculated position to Incubators for bacteria culture disk 104 in rotary moving, and hold to reaction
Device 105 discharges reagent.
Sample has been discharged with the reaction vessel 105 of reagent by the in rotary moving to precalculated position of Incubators for bacteria culture disk 104,
By sample dispensing tip and reaction vessel carrying mechanism 106, carried to reaction vessel rabbling mechanism 108.Reaction vessel is stirred
Mix mechanism 108 by applying rotary motion relative to reaction vessel the sample in reaction vessel and reagent to be stirred, mixed
Close.The reaction vessel that stirring finishes is back to Incubators for bacteria culture using sample dispensing tip and reaction vessel carrying mechanism 106
The precalculated position of disk 104.
Reactant liquor attracts nozzle 115 can rotate and move up and down, and the dispensing of sample and reagent, stirs and terminates, using antibacterial
Incubator disk 104 has been moved past the top of the reaction vessel 105 in predetermined response time, has declined, and attracts reaction vessel 105
Interior reactant liquor.The reactant liquor that nozzle 115 attracts is attracted to be analyzed by test section unit 116 by reactant liquor.
Attract the reaction vessel 105 of reactant liquor by the in rotary moving to precalculated position of Incubators for bacteria culture disk 104, utilized
Sample dispensing tip and reaction vessel carrying mechanism 106 are moved to sample dispensing tip from Incubators for bacteria culture disk 105 and reaction is held
The top in the discarded hole 109 of device, and it is discarded from discarded hole.
Fig. 2 is the fluidal texture figure of the test section unit 116 for possessing folder valve of the present utility model.
For attraction or drain, the reactant liquor attraction nozzle 201 of air, for the flow cell of detection assay object
Detector 202, for produce for attract or drain, the syringe 203 of the pressure differential of air, for drain, sky
The discharging tube 204 of gas possess connection nozzle with flowing pool detector entrance connecting portion 205 first flow 206, from flow cell
Second flow channel 210 that the outlet connections 207 of detector connect through from the first valve 208 to branch 209, then pass through branch
209 flow through the second valve 212 to the third flow channel 211 of syringe connection, from dispensing unit 209 to the discharging tube 204 connects the 4th
Road 213.In the flow passage structure, by the up and down action and the opening and closing switching of the first valve 208 and the second valve 212 of syringe 203
Nozzle 114 is attracted to implement liquid, the attraction of air or discharge from reactant liquor.In this flow passage structure, the first valve 208 and the second valve
212 uses can close the folder valve of the liquid including particle and air.
Fig. 3 is the schematic diagram of the structure for representing folder valve.
Folder valve 301 by press surface 302, coil portion 303, movable core 304 by coil drive, attract movable core to consolidate
Fixed core 305, the clamping bar 306 and clamp 307 for carrying out together with above-mentioned movable core action are constituted.Folder valve is by using coil
Portion makes movable core carry out action to secured core, clamping bar is moved to clamp, by being utilized respectively press surface and clamping bar pressing
308 and following 309 above the clamp of closed object, the runner in clamp is closed.
Fig. 4 is around the press surface of the folder valve 301, clamping bar 306 and clamp 307 when being exaggerated valve opening of the prior art
Schematic diagram.
In addition, in the diagram, in order to be conceived to the change of shape of the per unit area of clamp, in thickness direction and length side
Upwards with etc. face zoning divide above clamp 308 and following 309 and represent.In valve opening, the deformation of clamp is not produced, because
This, the division of clamp is all with identical area.
Fig. 5 is the schematic diagram around the press surface of folder valve when being exaggerated valve closing of the prior art and clamp.
In the way of the runner in clamp is closed when in valve closing, and with above clamp 308 inner face 501 and following 309
The mode that contacts respectively of inner face 502, clamping bar 306 rises, and runner is closed.
Here, above clamp 501 and following 502 clamping bar and press surface circumference A contact part deflection
It is maximum.Hereinafter, in the present embodiment, the face zoning that waits above the clamp for the circumference A of press surface 302 being contacted is referred to as deformation most
Big position a.Because degree, the larger load for pressing from both sides valve open and close valve repeatedly is applied to deformation maximum position a, therefore, because
Reusability folder valve during length, so as to there is a possibility that deform maximum position a is ruptured due to fatigue cracking.
The result that inventor carefully studies, it is found that the deflection of the deformation maximum position a of clamp is main by following three
Reason is determined.
(1) shape of press surface and clamping bar
(2) impact brought by other position distortions
(3) clamping bar drive volume
In this utility model, by the clamping bar drive volume optimization when shape and valve closing that make press surface and clamping bar, subtract
The deflection at the maximum position of deformation of clamp during few valve closing, reduces the fatigue cracking load to clamp and long lifetime, so as to
Solve above-mentioned problem.
First, the method to making the shape optimization of press surface is illustrated.
Fig. 6 A, Fig. 6 B be amplify make contact surface that press surface contacts with clamp in the case of curved surface, valve closing when folder
Figure around pipe.Fig. 6 A are the presence of flat region 401 in the contact surface of the press surface contacted with clamp, by making its contact surface
Circumference for R faces shape (later this shape being referred to as into angular shape) folder valve valve closing situation schematic diagram.Fig. 6 B are represented
There is no flat region in contact surface, by the folder valve of the press surface (hereinafter referred to as curve form) for being formed by curved surface on the whole
The schematic diagram of the situation of valve closing.
In the case of arbitrarily, the part in the clamp contacted with the circumference of the contact surface of press surface 302 is produced
Maximum position b, the c of deformation.In maximum position b, the c of deformation, the direction of arrow represents the deformation direction at the maximum position of deformation, length
Represent deflection.Here, due to the coefficient of friction of clamp it is big, therefore, generally become contact surface and deform.Thus, with angular shape
Compare, the deformation of the clamp of curve form is gentle.
In addition, in the case where there is flat region 401, in the clamp deformation maximum position b contacted with press surface not
Only become the deformation of contact surface, in the axial direction 601 of clamp, the also additional deformation being pressed laterally than central part.Therefore, make
Press surface for curve form situation Fig. 6 A in deformation maximum position c deflection than make press surface for angular shape situation
Fig. 6 B in deformation maximum position b deflection reduce.
Fig. 7 is the schematic diagram of the relation of the deflection at the shape of the contact surface for representing press surface 302 and maximum distortion position.
In addition, the thickness t and press surface width d of pipe are constant.As increase is formed at the R of the periphery of press surface, the week with press surface
Portion contacts and the deformation at the maximum distortion position of clamp that produces is gentle, and be not attached to the deformation for axially releasing clamp
Flat region, accordingly, it is capable to reduce the deflection on clamp surface.In addition, in the case where R is more than 1/3d, pushing away in axis
The deformation for going out clamp is few, therefore, the maximum deformation quantity on clamp surface diminishes.In addition, in the case where R is 1/2d, clamp surface
Deformation maximum it is minimum.
Then, the method to making the width d optimizations of press surface 302 is illustrated.
Fig. 8 A~Fig. 8 C are to amplify to make the width d changes of press surface turn to threeway, around the press surface of clamp during valve closing
Figure.As from Fig. 8 A to Fig. 8 C, width d is big.
In the case of width d maximum Fig. 8 C, compared with Fig. 8 A, the situation of Fig. 8 B, contact with press surface central part
Clamp deformation position e than the mode that central part is pushed out more laterally in the axial direction of clamp, deforming.Now, with by buckling
The clamp deformation maximum position e of face contact not only becomes the deformation of the contact surface of the circumference along press surface, also axially additional
Than the deformation that central part is pushed out more laterally, therefore, the deflection increase on clamp surface.
Fig. 9 represents that press surface 302 is the width d of the situation of curve form and the maximum amount of relation of deformation.Here, clamp
Material is common silicone rubber, and hardness is about 50~70.
In the thickness t relative to clamp, in the case that the width d of press surface is little (in the case of Fig. 8 A), along press surface
The deformation of the clamp of circumference is steep, therefore, the maximum quantitative change of deformation is big.On the other hand, in the thickness t relative to clamp, pressing
In the case that the width d in face is big (in the case of Fig. 8 C), not only become the deformation of the contact surface of curved surface, also apply axially 801
To the deformation that central part outside is pushed out, therefore it is big to deform maximum quantitative change.According to the above, there is the thickness relative to respective clamp
Degree t makes the deformation of clamp most gentle, and makes and the axial minimizing deformation beyond it, the change at the maximum position of deformation of clamp
The width d of the minimum press surface of shape amount.
Used as specific example, research tube thickness t has used the song of the situation of the clamp of the silicone rubber material of 0.5~1.5mm
Face shape R.Enforcement has used the super-elasticity of Finite element method to simulate, and the deflection for calculating the maximum position of deformation of clamp is (crooked
Amount).As a result, in the case of below R=0.1, it can be seen that the deformation of clamp is steep, the maximum quantitative change of deformation is big.In addition, in R
In the case of more than=0.5, due to axially addition of the deformation released on the outside of central part, it is therefore seen that deflection
Become big.In addition, in the case of R=about 1.5, it can be seen that the deflection at the maximum position of deformation of clamp is minimum.In R=1.5
In the case of, compared with the situation of the folder valve using prior art, the deflection at the maximum distortion position of clamp can be halved
For 0.5 times, the fatigue of clamp can be prevented.
In addition, the result carefully studied of inventor finds, clamp thickness t with make maximum deformation quantity relative to clamp
, there is proportionate relationship (Figure 10) in the width d of the press surface for diminishing, in about 1.5 times of a diameter of clamp thickness t of curved surface R,
The deflection at the maximum distortion position of clamp is most reduced.
Then, the shape to being configured at the clamping bar of the position opposed with press surface is studied.
Figure 11 A are to make press surface 302 for curve form, folder valve during valve closing when making clamping bar 306 be square shape, Figure 11 B
Be make press surface 302 and clamping bar 306 for the situation of identical curve form valve closing when folder valve.
As shown in Figure 11 A, in the case of the face shape of press surface and the variform of clamping bar, above clamp with it is following
Deflection pressing surface side it is uneven with clamping bar surface side, above clamp 201 to press surface side dilatancy, clamp inner surface
Deformation position f deflection increase.Thus, further additional clamp deforms the deflection of maximum position g, therefore, clamp table
The deflection increase in face.
On the other hand, as shown in Figure 11 B, there is identical curve form and with identical in clamping bar and the shape of press surface
In the case of width d, with following with same degree deformation above clamp, therefore, do not find that deflection is excessive in clamp inner face
The position of increase, as a result, the deflection of the maximum distortion position f on clamp surface can be reduced.
Then, the method to making drive volume (the clamp pressing quantity during valve closing) optimization of clamping bar is illustrated.
Clamp reduces clamping bar with pressing typically by making the fluids such as liquid or gas in the state of folder Bottomhole pressure
The distance between face, closes the structure of the runner in clamp.Therefore, in order to be closed with not leaking using folder valve, need in folder
The additional intrinsic pressure sufficient confining pressure of runner relative to clamp of pipe inner face.
When Figure 12 is to represent that the face 302 of press surface and clamping bar 306 are respectively provided with the case of identical curve form, valve closing
Clamp state schematic diagram.In valve closing, 501 and following 502 inner faces for contacting apply surface pressure p above clamp.
Figure 13 be represent the shape with Figure 12 folder valve in closed valve state, clamp pressing quantity h be applied to clamp
The chart of the relation of the surface pressure p of inner face.In addition, in this chart, the thickness t of clamp is constant.
When pressing quantity h increases to a certain degree, surface pressure p becomes big.In order to fully close the runner in clamp, as long as face
Pressure p is to overcome intrinsic pressure confining pressure P1 in runner, and pressing quantity H1 can be determined as surface pressure p=P1
Most suitable pressing quantity.By so determining pressing quantity H1, can be in valve closing not to clamp with applying excessive pressure with minimum
Deflection carries out pressing from both sides the valve closing of valve.
Used as specific example, research has used the pressure of the situation of the clamp of the silicone rubber material that thickness t is 0.5~1.5mm
Flat amount H1.Making pressing from both sides in the case that the confining pressure P1 when runner obtained of valve is closed is about 200kPa, when making safety coefficient
For 5 when, the surface pressure p for being attached to clamp inner face when needing valve closing is about more than 1.0MPa.Implementing above-mentioned use has
The result of the super-elasticity simulation of limit factors method, when flattening amount H1 is of about 1.7~2.0mm, surface pressure p is about 1.0MPa,
Can fully closed flow.In the case where the shape with prior art and flattening amount compare, deflection (crooked amount) can be
0.16 times, i.e. about 1/10th, by intensively applying excessive power, can prevent clamp from becoming the state of fatigue ahead of time.
In addition, possessing the runner machine of the detector including flow cell type using the product of clamp of the present utility model
The automatic analysing apparatus of structure, its Cleaning Principle, other apparatus structures can be different from embodiment.For example, it may be relative to survey
Usual practice as samples in Na, K, Cl etc particle concentration ion-selective electrode, located at for conveying sample to electrode film
Runner folder valve.In addition, in the device of contained composition in the gas such as gas is determined, could be for closing, open and make
The folder valve of the runner that gas passes through.
Symbol description
100-analytical equipment, 101-frame, 102-shuttle, 103-sample dispensing nozzle, 104-Incubators for bacteria culture
Disk, 105-reaction vessel, 106-sample dispensing tip and reaction vessel carrying mechanism, 107-sample dispensing tip and reaction
Container holding member, 108-reaction vessel rabbling mechanism, 109-sample dispensing tip and the discarded hole of reaction vessel, 110-sample
Product dispensing tip installation site, 111-reagent disc, 112-reagent disc cover, 113-reagent disc cover opening portion, 114-reagent point
Note nozzle, 115-reactant liquor attracts nozzle, 116-detector unit, 117-shelf for conveying line, 118-reagent container, 201-inspection
Survey portion, 202-flowing pool detector, 203-syringe, 204-discharging tube, 205-flowing pool detector entrance connecting portion,
206-first flow, 207-flowing pool detector outlet connections, the 208-the first valve, 209-branch, 210-second
Road, 211-third flow channel, the 212-the second valve, the 213-the four runner, 301-folder valve, 302-press surface, 303-coil,
304-movable core, 305-secured core, 306-clamping bar, 307-clamp, above 308-clamp, below 309-clamp,
401-flat region, the inner face above 501-clamp, the inner face below 502-clamp, 701-clamp axial direction.
Claims (11)
- It is 1. a kind of to press from both sides valve, it is characterised in thatPossess：The maintaining part of the clamp that holding can be enabled flow through；Press surface, it is formed the face contacted with clamp by curved surface, and the clamp is kept by above-mentioned maintaining part；Clamping bar, it is opposed to arrange across clamp and above-mentioned press surface, the shape of the part contacted with above-mentioned clamp with it is above-mentioned Press surface same shape and same diameter are formed, and the width d of the shape of the part of above-mentioned contact is the 1.5 of the thickness of the clamp Times；AndBy being driven in the mode for making above-mentioned press surface variable with the distance between above-mentioned clamping bar, the pass of above-mentioned clamp is carried out The drive mechanism closed or open.
- 2. folder valve according to claim 1, it is characterised in thatCurvature R in the face that above-mentioned press surface and above-mentioned clamping bar are contacted with above-mentioned clamp is that the press surface and the clamping bar connect with the clamp More than the 1/3 of the width d in tactile face.
- 3. folder valve according to claim 2, it is characterised in thatIn the case where above-mentioned clamp is the silicone rubber material that thickness t is 0.5~1.5mm, R is 1.5.
- 4. folder valve according to claim 1, it is characterised in thatAbove-mentioned drive mechanism includes coil portion, the movable core driven by the coil portion, the secured core that attracts movable core,In the case where the folder valve is in closed state, above-mentioned drive mechanism makes above-mentioned movable core by using above-mentioned coil portion Action is carried out to above-mentioned secured core, above-mentioned clamping bar is moved to above-mentioned clamp, by being utilized respectively above-mentioned press surface and above-mentioned It is above the above-mentioned clamp of clamping bar pressing closed object and following, to become surface pressure p as the intrinsic pressure envelope in clamp can be overcome The mode for closing pressing quantity H1 of pressure P1 controls the distance between above-mentioned press surface and above-mentioned clamping bar.
- 5. folder valve according to claim 4, it is characterised in thatIn the case where above-mentioned clamp is the silicone rubber material that thickness is 0.5~1.5mm, pressing quantity H1 is 1.7~2.0mm.
- 6. a kind of automatic analysing apparatus, it possesses the analysis portion of analysis measure object sample, is used in what the fluid of analysis passed through Runner and opened according to analysis process and close the folder valve of above-mentioned runner, the automatic analysing apparatus are characterised by,Above-mentioned folder valve possesses：Keep the maintaining part of clamp；Press surface, it is formed the face contacted with clamp by curved surface, and the clamp is kept by above-mentioned maintaining part；Clamping bar, it is opposed to arrange across clamp and above-mentioned press surface, the shape of the part contacted with above-mentioned clamp with it is above-mentioned Press surface same shape and same diameter are formed, and the width d of the shape of the part of above-mentioned contact is the 1.5 of the thickness of the clamp Times；AndBy being driven in the mode for making above-mentioned press surface variable with the distance between above-mentioned clamping bar, the pass of above-mentioned clamp is carried out The drive mechanism closed or open.
- 7. automatic analysing apparatus according to claim 6, it is characterised in thatAbove-mentioned analysis portion has the flow cell for either quantitatively or qualitatively detecting measure object composition contained in organism origin sample Test section,Above-mentioned folder valve is on the runner for making fluid connect with flow cell test section.
- 8. automatic analysing apparatus according to claim 6, it is characterised in thatCurvature R in the face that above-mentioned press surface and above-mentioned clamping bar are contacted with above-mentioned clamp is that the press surface and the clamping bar connect with the clamp More than the 1/3 of the width d in tactile face.
- 9. automatic analysing apparatus according to claim 8, it is characterised in thatIn the case where above-mentioned clamp is the silicone rubber material that thickness t is 0.5~1.5mm, R is 1.5.
- 10. automatic analysing apparatus according to claim 6, it is characterised in thatAbove-mentioned drive mechanism includes coil portion, the movable core driven by the coil portion, the secured core that attracts movable core,In the case where the folder valve is in closed state, above-mentioned drive mechanism makes above-mentioned movable core by using above-mentioned coil portion Action is carried out to above-mentioned secured core, above-mentioned clamping bar is moved to above-mentioned clamp, by being utilized respectively above-mentioned press surface and above-mentioned It is above the above-mentioned clamp of clamping bar pressing closed object and following, to become surface pressure p as the intrinsic pressure envelope in clamp can be overcome The mode for closing pressing quantity H1 of pressure P1 controls the distance between above-mentioned press surface and above-mentioned clamping bar.
- 11. automatic analysing apparatus according to claim 10, it is characterised in thatIn the case where above-mentioned clamp is the silicone rubber material that thickness is 0.5~1.5mm, pressing quantity H1 is 1.7mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-076622 | 2014-04-03 | ||
| JP2014076622 | 2014-04-03 | ||
| PCT/JP2015/060261 WO2015152296A1 (en) | 2014-04-03 | 2015-03-31 | Pinch valve and automatic analysis device provided with pinch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177976U true CN206177976U (en) | 2017-05-17 |
Family
ID=54240614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590000307.XU Active CN206177976U (en) | 2014-04-03 | 2015-03-31 | Clamping valve and possess clamping valve's autoanalysis device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6619328B2 (en) |
| CN (1) | CN206177976U (en) |
| DE (1) | DE212015000096U1 (en) |
| WO (1) | WO2015152296A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11105439B2 (en) | 2018-07-31 | 2021-08-31 | Bio-Chem Fluidics, Inc. | Pinch valve with failure prediction module |
| GB2590829B (en) * | 2018-09-27 | 2023-03-15 | Hitachi High Tech Corp | Sample processing device and apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4035199B2 (en) | 1997-04-22 | 2008-01-16 | ロッシュ ディアグノスティクス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Sample analyzer |
| JP2003130238A (en) * | 2001-10-26 | 2003-05-08 | Tadashi Abe | Plier valve |
| JP2007198765A (en) * | 2006-01-24 | 2007-08-09 | Toray Ind Inc | Analysis chip and analysis method |
| JP5901119B2 (en) * | 2011-01-21 | 2016-04-06 | 旭有機材工業株式会社 | Pinch valve tube, pinch valve, and fluid control device |
| US9518667B2 (en) * | 2012-08-30 | 2016-12-13 | C. R. Bard, Inc. | Tubing clamp |
-
2015
- 2015-03-31 WO PCT/JP2015/060261 patent/WO2015152296A1/en active Application Filing
- 2015-03-31 CN CN201590000307.XU patent/CN206177976U/en active Active
- 2015-03-31 JP JP2016511962A patent/JP6619328B2/en active Active
- 2015-03-31 DE DE212015000096.6U patent/DE212015000096U1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP6619328B2 (en) | 2019-12-11 |
| JPWO2015152296A1 (en) | 2017-04-13 |
| WO2015152296A1 (en) | 2015-10-08 |
| DE212015000096U1 (en) | 2016-11-15 |
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