CN106499841B - A kind of improved miniaturization film valve - Google Patents
A kind of improved miniaturization film valve Download PDFInfo
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- CN106499841B CN106499841B CN201611155027.3A CN201611155027A CN106499841B CN 106499841 B CN106499841 B CN 106499841B CN 201611155027 A CN201611155027 A CN 201611155027A CN 106499841 B CN106499841 B CN 106499841B
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- valve body
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- flexible membrane
- film
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Classifications
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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
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/123—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm the seat being formed on the bottom of the fluid line
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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
- 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
- F16K11/022—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising a deformable member
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to valve technology fields, specifically disclose a kind of improved miniaturization film valve, comprising: upper valve body, lower valve body and the flexible membrane being clipped between lower valve body interconnected；Valve system is additionally provided in upper lower valve body, comprising: connector, air pipe line, fluid cavity, fluid circuit；The fluid cavity is set in lower valve body, is connected with fluid circuit one end, and the other end of fluid circuit extends laterally to film valve lateral wall；Fluid circuit is placed in inside lower valve body, is bent in ┙；Film valve lateral surface is provided with interface corresponding with fluid line outlet；Boss is provided on upper valve body or lower valve body inner surface, the height of boss is slightly below thickness when flexible membrane nature diastole；Boss is circumferentially positioned on position corresponding to the edge outside of fluid cavity, forms enclosure space.Inventive film valve is conducive to improve since elastic film extrusion deformation causes, and the blockage problem in channel reduces the resistance that liquid flows through channel, improves film valve performance.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of improved miniaturization film valve.
Background technique
Micro-type automated lab membrane valve equipment (for example, in biology or bioengineering field) requires to be easy to be combined into bigger
Equipment has safety and is easy a series of processing functions of use, easy cleaning.The typical processing function of film valve equipment includes
Store liquid, transmission liquid, between different liquid lines switching, in reactor catalysis biological substance, heating, cooling,
It interacts with electric current or electromagnetic radiation.
The elastic film of existing miniaturization film valve is pressed on centre by upper lower valve body, controls Thin Elastic by high pressure gas
The deformation of film carrys out the opening/closing of control channel.Under the pressuring action of upper lower valve body, elastic film will necessarily generate certain squeeze and become
Shape can not be discharged since upper lower valve body and elastic film are entire face contacts so as to cause the extrusion deformation of elastic film, can only
It is overflowed into channel and on the outside of valve body, the film overflowed into channel usually blocks the channel of natively very little, thus greatly
Increase flow resistance of the liquid feeding body in channel, or even can not flow completely.
It is not difficult to find out that the prior art still has biggish deficiency.
Summary of the invention
In view of this, it is necessary to for above-mentioned problem, a kind of easy cleaning be provided, facilitate maintenance, impurity will not be introduced
, be conducive to improve since elastic film is squeezed and deformed caused channel blockage problem, reduce the resistance that liquid flows through channel, mention
The improved miniaturization film valve of high film valve performance.
To achieve the above object, the present invention takes technical solution below:
Improved miniaturization film valve of the invention, comprising: upper valve body, lower valve body and the flexibility being clipped between lower valve body
Film；The upper lower valve body is connected by multiple screws；Valve system is additionally provided in the upper lower valve body；
The valve system includes: connector, air pipe line, fluid cavity, fluid circuit；The connector is installed on upper valve
On body, lower end penetrates the upper valve body and is connected with the air pipe line built in upper valve body；The air pipe line is connected to flexibility
The upper surface of film；The connector center is through-hole, and the through-hole is connected to air pipe line；The fluid cavity is set to lower valve body,
And it is connected with fluid circuit one end；The other end of the fluid circuit extends laterally to film valve lateral wall；The fluid circuit
It is placed in inside lower valve body, is bent in ┙；Film valve lateral surface is provided with interface corresponding with the fluid line outlet；It is described to connect
Mouth makes fluid line outlet be connected with outer pipeline；
Boss is provided on upper valve body or lower valve body inner surface, the height of the boss is slightly below flexible membrane nature diastole
When thickness；Boss is circumferentially positioned on position corresponding to the edge outside of fluid cavity, forms enclosure space；Upper lower valve body pressure
When tight, the deformation that flexible membrane generates is occurred mainly in the region that it is contacted with boss.
As another embodiment, flexible membrane can be arranged on the position compressed by the upper valve body with lower valve body
Through-hole or blind hole structure can also be used as Combination Design, i.e. boss+through-hole or blind hole knot for substituting the design of above-mentioned boss
Structure.
Further, the boss includes platform and protruding portion, and the platform is located at the center of the protruding portion；It is described flat
The height of platform is slightly below the protruding portion, but protrudes from valve body surface；
Groove body is set on another valve body opposite with the protruding portion, and the groove body mutually carves conjunction connection with protruding portion.
Further, the fluid cavity surface is in flexure plane.
Further, the position of multiple screws is set as far as possible close to curved surface, to ensure that upper lower valve body is kept
Good sealing.
Further, the valve system is set as unipath valve or multi-channel valve.The multi-channel valve it is each
Branch is provided centrally at least one barrier；The barrier includes insertion limiting component or flexible membrane is locally thickeied rigidization
Setting.
Further, the lower valve body setting is fluted, for being embedded in barrier；Or the part thickeies the soft of rigidization
Property film be protrude directly into the upper valve body as barrier.
Further, multiple identical valve systems are serially connected into combination valve system；The combined valve system
Sealing element is provided at the interface surface being connected.
The invention has the benefit that
1, component of the invention is constituted simple, is readily disassembled, and maintenance and thoroughly cleaning are facilitated.
2, the present invention is easy combination, to form more complicated, compact-sized component；Automation control operates with just
It is prompt.
3, the present invention improves valve interior surface, and the setting of boss reduces flexible membrane and is squeezed area, to reduce
The extrusion deformation degree of flexible membrane, to effectively reduce the drag effect generated because flexible membrane is squeezed and deformed to fluid.
Further improve, groove body is set in another corresponding valve body surface of boss, makes the flexible membrane above fluid cavity
A kind of effect of stretching is formed, to effectively prevent flexible membrane compressive deformation and squeeze into fluid cavity, substantially reduces fluid
Flow resistance improves the performance of film valve.
Under same idea of the invention, using blind hole or through-hole structure are arranged on the flexible film, so that by upper valve
Flexible membrane on body and lower valve body compacted position has sufficient Free up Memory, and is not easy to be squeezed in influent stream body cavity, equally reaches
To the resistance for liquid is effectively reduced flowing through channel, the performance of film valve is improved.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the main view of the improved miniaturization film valve multi-channel valve of embodiment 1；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the enlarged diagram in Fig. 1 at A；
Fig. 4 is the main view of upper valve body in embodiment 1；
Fig. 5 is the cross-sectional view of the left view of Fig. 4；
Fig. 6 is the top view of Fig. 4；
Fig. 7 is the isometric side view of Fig. 4；
Fig. 8 is the perspective view of lower valve body in embodiment 1；
Fig. 9 is the cross-sectional view of the main view of the improved miniaturization film valve multi-channel valve of embodiment 2；
Figure 10 is the main view of lower valve body in embodiment 2；
Figure 11 is the right view of Figure 10；
Figure 12 is the cross-sectional view of the top view of Figure 10；
Figure 13 is the isometric side view of Figure 10；
Figure 14 is the top view for the improved miniaturization film valve that embodiment 2 has additional barrier；
Figure 15 is the sectional view along A-A in Figure 14；
Figure 16 is the cross-sectional view at the A-A in Figure 14, and wherein barrier design thickeies the flexible membrane of simultaneously rigidization simultaneously at part
It is embedded in upper valve body；
Figure 17 is the cross-sectional view of the improved miniaturization film valve multi-channel valve main view of embodiment 3；
Figure 18 is the enlarged diagram in Figure 17 at B；
Figure 19 is the enlarged diagram in Figure 17 at C；
Figure 20 is the main view of lower valve body in embodiment 3；
Figure 21 is the right view of Figure 20；
Figure 22 is the cross-sectional view of the top view of Figure 20；
Figure 23 is the isometric side view of Figure 20；
Figure 24 is the main view of upper valve body in embodiment 3；
Figure 25 is the right view of Figure 24；
Figure 26 is the cross-sectional view of the top view of Figure 24；
Figure 27 is the isometric side view of Figure 24；
Figure 28 is that porose flexible membrane schematic diagram is arranged；
Figure 29 is the section view explosive view of the improved miniaturization film valve unipath valve main view of embodiment 4；
Figure 30 is the top view of Figure 29；
Figure 31 is the perspective view of lower film valve in Figure 29；
Figure 32 is the cross-sectional view that improved miniaturization film valve multi-channel valve combines front view；
Figure 33 is the improved miniaturization film valve top view used as micropump.
Appended drawing reference: 1, lower valve body；2, flexible membrane；3, upper valve body；4, connector；5, screw；6, air pipe line；7, fluid
Chamber；71, first-class body cavity；72, second body cavity；73, third fluid cavity；74, the 4th fluid cavity；8, curved surface；9, fluid
Pipeline；90, interface；10, sealing element；11, boss；12, barrier；13, groove；14, groove body；15, hole；16, platform；170,
One path；171, the second path；172, third path；173, the 4th path；18, protruding portion.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with specific implementation
The invention will be described further for example and attached drawing, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.The small solution for describing design and can switching fluid path or transmitting the micro element of fluid of the present invention
Certainly scheme.In the present specification, term " fluid " indicates liquid, solid suspension or gas.
Embodiment 1
It as shown in figures 1-8, is multi-channel valve, the valve system is arranged into multi-path, including upper valve body in cross
3, lower valve body 1 and the flexible membrane 2 being clipped between lower valve body, the flexible membrane 2 can be the materials such as raw rubber or silicon rubber；
The upper lower valve body is connected by four screws 5；The position of four screws 5 is evenly spaced in two diagonal directions.
Valve system is provided in the upper lower valve body, the valve system includes: connector 4, air pipe line 6, fluid
Chamber 7, fluid circuit 9；The connector 4 is installed on upper valve body 3, and prominent 3 top of upper valve body in upper end, and lower end penetrates
The upper valve body 3 is simultaneously connected with the air pipe line 6 built in upper valve body 3, and the air pipe line 6 is connected to the upper table of flexible membrane 2
Face；4 center of connector is through-hole, and the through-hole is connected to air pipe line 6；The fluid cavity 7 is set in lower valve body 1, is used
The flowing of fluid；The fluid cavity 7 is connected with 9 one end of fluid circuit；The other end of the fluid circuit 9 extends laterally to film
Valve lateral wall；The fluid circuit 9 is placed in inside lower valve body, is inBending, i.e., flow path of the practical upper fluid in lower film valve 1
For inBend path；7 surface of fluid cavity is in flexure plane 8, and the flexure plane 8 extends when being pressurized for flexible membrane 2
It enters in flexure plane 8, to prevent the edge friction by fluid cavity 7 from causing to damage；The position of four screws 5 is set as
As far as possible close to curved surface 8, to ensure that upper lower valve body 1 keeps good sealing.The film valve lateral surface is provided with and the stream
The corresponding interface 90 of body pipeline 9；The interface 90 makes the outlet of fluid circuit 9 be connected with outer pipeline.
As shown in figure 8, fluid cavity 7, respectively first-class body cavity 71 there are four the settings of lower valve body 1, second body cavity 72, the
Three fluid cavitys 73, the 4th fluid cavity 74, four fluid cavitys 7 are interconnected at cross searching；The end of each fluid cavity 7
It is corresponding with an interface 90.The on-off of each air pipe line 6 one 7 fluid path of fluid cavity of corresponding control.
When introducing the air of pressurization in one or more connectors 4 on upper valve body 3, corresponding air pipe line 6
Internal pressure increases, and when the pressure in air pipe line 6 is more than the pressure inside the flexure plane 8 of fluid cavity 7, flexible membrane 2 extends to curved
In curved surface 8.It is extended in fluid cavity 7 by flexible membrane 2, influences the fluid flowing in fluid cavity 7, the sky in air pipe line 6
Atmospheric pressure is sufficiently high, then the fluid in respective streams body cavity 7 is blocked to flow, i.e., by applying sufficiently high air pressure to connector 4
Power can close the access of one or more fluid cavitys 7, realize the on and off in different fluid path.
When the air pressure is (w1276995) 5 released, flexible membrane 2 attempts to restore its original relaxed state, and fluid cavity 7 is connected.The movement energy
It is enough that small suction is generated in fluid cavity 7, it can use the suction to combine a series of valves, to form micropump.By upper
It is vacuumized in the air pipe line 6 of valve body 3, suction can also be increased.
Boss 11 is provided on 3 inner surface of upper valve body, when the height of the boss 11 is slightly below 2 nature diastole of flexible membrane
Thickness；Boss 11 is circumferentially positioned on position corresponding to the edge outside of fluid cavity 7；When upper lower valve body compresses, boss 11
It is mutually compressed on the outside of the edge and edge of fluid cavity 7, the deformation that flexible membrane 2 generates occurs mainly in the region contacted with boss 11
It is interior, and fluid cavity 7 is closed in boss 11.The boss 11 can be set slightly larger than fluid cavity 7, and upper lower valve body compresses
When, the edge outside of boss 11 and fluid cavity 7 mutually compresses, so that fluid cavity 7 is surrounded by boss 11 completely.
The design of boss 11 is conducive to that flexible membrane 2 is made to occur mainly in flexibility in the deformation for compressing generation by upper lower valve body
The pocket that film 2 is contacted with boss 11 to greatly reduce the area that flexible membrane 2 is compressed by upper lower valve body, and then is reduced
The deformation that flexible membrane 2 generates reaches reduction liquid after avoiding flexible membrane 2 from being compressed by upper lower valve body a possibility that blocking fluid cavity 7
The resistance in channel is flowed through, the performance of film valve is improved.
Boss 11 of the invention can process formation in upper lower valve body, or be substituted with other objects, such as sealing ring, gold
Belong to item etc.；It can also be made of the different elastic film of hardness, thickness everywhere.
Embodiment 2
As described and depicted in figs. 9-13, the present embodiment and the main distinction of embodiment 1 are, boss 11 is set to 1 surface of lower valve body,
It is particularly located on the outside of the edge of fluid cavity 7, functions and effects are identical.
Improve as further, as shown in figures 13-16, is provided centrally at least one in each branch of the multi-channel valve
A barrier 12 (as shown in figure 14).The barrier 12 includes insertion limiting component or 2 part of flexible membrane is thickeied simultaneously rigidization
Setting.The barrier 12 can prevent compressed air from flowing into any adjacent air pipe line 6 from an air pipe line 6.
The lower valve body 1 is additionally provided with groove 13 (as shown in figure 15), for barrier 12 to be embedded in groove 13；Or institute
The flexible membrane 2 for stating part thickening rigidization is protrude directly into the upper valve body 3 as barrier 12 (as shown in figure 16).
Embodiment 3
As shown in Figure 17-27, the present embodiment and the difference of embodiment 1 or 2 are that boss 11 is set on upper valve body 3, institute
Stating boss 11 includes platform 16 and protruding portion 18, and the platform 16 is set to the center of the protruding portion 18；The platform 16
Height is slightly below the protruding portion 18, but protrudes from valve body surface；Groove body 14, the groove body 14 are set in the lower valve body 1
It is set on another valve body opposite with the protruding portion 18, and the groove body 14 carves conjunction connection with 18 phase of protruding portion.
When upper valve body 3 and lower valve body 1 compress, protruding portion 18 gets into the flexible membrane 2 around fluid cavity 7 in groove body 14, from
And a kind of effect of stretching is formed to the flexible membrane 2 of 7 top of fluid cavity, it is compressed and is squeezed into effectively prevent flexible membrane 2
Fluid cavity 7 substantially reduces the flow resistance of fluid.The setting of platform 16 avoids corresponding another valve body center to protrusion
The barrier effect in portion 18.
The boss 11 that embodiment 1 is arranged is played the role of being the reduction of flexible membrane 2 and is mainly squeezed area, to reduce
The decrement of flexible membrane 2, but still the deformation without solving mainly to be squeezed laminate section is squeezed the possibility of influent stream body cavity 7, in order into
One step reduces by 2 deformation of flexible membrane and the blockage problem that is squeezed influent stream body cavity 7 and generates, and the present embodiment has done another deformation, will
Slightly cut short in peripheral part, the platform 16 for setting low the formation centre bit of boss 11 and week in 11 center of boss in embodiment 1
The high protruding portion 18 in position is enclosed, is correspondingly arranged groove body 14 with protruding portion 18, protruding portion 18 is by the flexible membrane around fluid cavity 7 at this time
2 are pressed into groove body 14, so that a kind of effect of stretching is formed to the flexible membrane 2 of 7 top of fluid cavity, to effectively prevent soft
Property film 2 is compressed and squeezes into fluid cavity 7, and the flow resistance of fluid is substantially reduced.
Embodiment 4
It, can be by flexible membrane 2 by the upper valve body 3 and lower valve body as another embodiment as shown in Figure 28-31
Providing holes 15 on 1 position compressed can be through-hole or blind hole structure, both can be used for substituting the design of above-mentioned boss 11,
It can be used as Combination Design.Individually flexible membrane 2 is arranged to through-hole or blind hole structure, hole 15 is distributed in lower film valve compression
Part, so that it may guarantee that flexible membrane 2 compresses the deformation generated by upper lower valve body and has enough Free up Memories, rather than be squeezed and become a mandarin
In body cavity 7, the resistance that liquid flows through channel equally also can be effectively reduced, improve the performance of film valve.Flexible membrane 2 is separately provided
When through-hole or blind hole structure, fluid circuit 9 both be can be set into embodiment 1Bending, also can be set into "-" type.One
The fluid circuit 9 of set up of character patt ern is by taking the valve of unipath as an example, as shown in figures 29-31, including a fluid cavity 7, the fluid cavity 7
One end of two sides connecting fluid pipeline 9, the other end of fluid circuit 9 extend to film valve lateral wall.
Blind hole or through-hole when hole 15 is combined with boss 11 on flexible membrane 2 are distributed in 11 pressed parts of boss, and in addition
Part, boss 11 can make upper and lower film valve compression occur mainly in the position that flexible membrane 2 is contacted with boss 11, but boss 11 with
Outer part can also generate certain pressuring action, and through-hole or blind hole structure can sufficiently discharge this two-part space.Certainly
The set-up mode of the flexible membrane 2 of the present embodiment can also be combined with the structure with groove body 14 of the invention, not another herein
One repeats.
Embodiment 5
Such as Figure 32, improved miniaturization film valve of the invention is shown for multi-channel valve combination, by two multi-ported valves
The film valve of door is connected in series to obtain, and the interface of two film valves connection is provided with sealing element 10, so that combined valve system
Junction forms close connection.
As shown in Figure 33 and the following table 1, the present invention can using Combination Design as micropump apparatus come using.Following instance is served as reasons
The film valve of two multi-channel valves is connected in series, and fluid is delivered to the continuous process of right end interface 90 from left end interface 90, is real
The now function, course of exerting pressure such as table 1:
Table 1
Wherein, start 1 and be applied with pressure for 170 to the 4th path 173 of first path, i.e., all fluid cavitys are to close shape
State.Successively open first path 170, the second path 171, third path 172 first close first when opening four paths 173
Path 170, the right fluid reaches right end interface 90 at this time, then opens first path 170, closes the second path 171, then opens
Third path 172 is closed in second path 171, is repeated in aforesaid operations, it can continuously cyclically by fluid by left end interface
90 are delivered to right end interface 90；When needing to stop the transmission process of micropump, first path 170 is closed first, then according to
Secondary closing subsequent path.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of improved miniaturization film valve characterized by comprising upper valve body, lower valve body and be clipped between lower valve body
Flexible membrane；The upper lower valve body is connected by multiple screws；Valve system is additionally provided in the upper lower valve body；
The valve system includes: connector, air pipe line, fluid cavity, fluid circuit；The connector is installed on upper valve body
On, lower end penetrates the upper valve body and is connected with the air pipe line built in upper valve body；The air pipe line is connected to flexible membrane
Upper surface；The connector center is through-hole, and the through-hole is connected to air pipe line；The fluid cavity is set to lower valve body, and
It is connected with fluid circuit one end, the other end of the fluid circuit extends laterally to film valve lateral wall；The fluid circuit is set
Inside lower valve body, bent in ┙；Film valve lateral surface is provided with interface corresponding with the fluid line outlet；The interface
Fluid line outlet is set to be connected with outer pipeline；
It is provided with boss on upper valve body or lower valve body inner surface, when the height of the boss is slightly below flexible membrane nature diastole
Thickness；Boss is circumferentially positioned on position corresponding to the edge outside of fluid cavity, forms enclosure space；Upper lower valve body compresses
When, the deformation that flexible membrane generates occurs mainly in the region that it is contacted with boss.
2. improved miniaturization film valve according to claim 1, which is characterized in that the boss includes platform and protrusion
Portion, the platform are located at the center of the protruding portion；The height of the platform is slightly below the protruding portion, but protrudes from valve body table
Face；
Groove body is set on another valve body opposite with the protruding portion, and the groove body mutually carves conjunction connection with protruding portion.
3. improved miniaturization film valve according to claim 1 or 2, which is characterized in that the flexible membrane is by described
Hole structure is set as on the position that valve body and lower valve body compress.
4. improved miniaturization film valve according to claim 3, which is characterized in that the pore structure is blind hole or through-hole.
5. according to claim 1-2 or claim 4 any one described in improved miniaturization film valve, which is characterized in that institute
Fluid cavity surface is stated in flexure plane.
6. improved miniaturization film valve according to claim 5, which is characterized in that the position of multiple screws is set as
As far as possible close to curved surface, to ensure that upper lower valve body keeps good sealing.
7. according to claim 1-2 or claim 4 any one described in improved miniaturization film valve, which is characterized in that institute
It states valve system and is set as unipath valve or multi-channel valve；Each branch of the multi-channel valve is provided centrally at least one
A barrier；The barrier includes insertion limiting component or flexible membrane is locally thickeied to rigidization setting.
8. improved miniaturization film valve according to claim 7, which is characterized in that the lower valve body setting is fluted, uses
In insertion barrier；Or the flexible membrane that the part thickeies rigidization is protrude directly into the upper valve body as barrier.
9. according to claim 1-2 or claim 4 any one described in improved miniaturization film valve, which is characterized in that it is more
A identical valve system is serially connected into combination valve system；It is set at the interface surface that the combined valve system is connected
It is equipped with sealing element.
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| CN201611155027.3A CN106499841B (en) | 2016-12-14 | 2016-12-14 | A kind of improved miniaturization film valve |
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| CN201611155027.3A CN106499841B (en) | 2016-12-14 | 2016-12-14 | A kind of improved miniaturization film valve |
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| CN106499841B true CN106499841B (en) | 2019-02-01 |
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| GB201820691D0 (en) * | 2018-12-19 | 2019-01-30 | Ge Healthcare Bio Sciences Ab | Device for distributing a flow |
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|---|---|
| CN106499841A (en) | 2017-03-15 |
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