CN205995282U - Just pressing through membrane device - Google Patents
Just pressing through membrane device Download PDFInfo
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- CN205995282U CN205995282U CN201620997036.6U CN201620997036U CN205995282U CN 205995282 U CN205995282 U CN 205995282U CN 201620997036 U CN201620997036 U CN 201620997036U CN 205995282 U CN205995282 U CN 205995282U
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- inflator
- seal head
- pressing
- membrane device
- filter
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Abstract
The utility model discloses one kind just presses through membrane device, it is related to detection field of experiment equipment, main purpose is to simplify the filter operation of extracting solution.Main technical schemes of the present utility model are:Just pressing through membrane device to include:Positive pressure devices, positive pressure devices include piston push rod and the seal head that inflator is adapted with inflator;The first end of inflator is provided with jack, second end of inflator is provided with pore, piston push rod inserts inflator by jack, with cylinder inner wall cooperation, piston push rod can move back and forth in inflator, seal head is provided through its first end and the through hole at the second end, and the first end of seal head is connected with pore, and the first end of seal head is relative with the second end of seal head;Defecator, defecator includes liquid receiver and filter, and liquid receiver is the cylinder that first end and the second end are provided with opening, and the first end of liquid receiver is used for being connected with the second end of seal head, and the second end of liquid receiver is connected with filter.This utility model is mainly used in the filtration of sample extraction liquid.
Description
Technical field
This utility model is related to detection field of experiment equipment, and more particularly, to one kind is just pressing through membrane device.
Background technology
Carry out drug residue analysis in professional testing laboratory, when application chromatograph, chromatograph mass spectrometer analysis detection, often need
The sample of monitoring is made extracting solution, then extracting solution is purified through filter membrane, then carry out correlation analysis and
Detection.
But in existing technology, step that extracting solution is filtered using filter membrane, is all to use disposable syringe
To complete, specifically, to be filter membrane on the liquid outlet set of disposable syringe syringe, then extracting solution is contained in disposable injection
In the syringe of device, the push rod finally by pressing disposable syringe completes to filter by extracting hydraulic filtering film, this kind of filtration side
Formula is very inconvenient in operation, needs first to separate the push rod of disposable syringe with syringe, installs extraction in syringe
After liquid, push rod is being inserted in syringe, now having extracting solution in syringe, carried during piston core bar is inserted syringe
Take liquid to begin to be forced out, now the not only bad control of pressing force, be also easy to cross senior general's filter membrane because of pressure and crush, especially batch
When amount processes extracting solution multiple installation push rod operate pretty troublesome, especially the extracting solution of batch processing difference sample when, need
Want every kind of extracting solution all using new disposable syringe, use consume greatly, cost up.
Utility model content
In view of this, this utility model embodiment provides one kind just pressing through membrane device, and main purpose is the mistake simplifying extracting solution
Filter operation, this utility model is more applicable for batch processing extracting solution simultaneously.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme:
On the one hand, this utility model embodiment provides one kind and just presses through membrane device, and this is just pressing through membrane device and is including:
Positive pressure devices, described positive pressure devices include piston push rod and the seal head that inflator is adapted with described inflator;
Wherein, the first end of described inflator is provided with jack, and the of the described inflator relative with the first end of described inflator
Two ends are provided with pore, and described piston push rod passes through described jack and inserts described inflator, with the cooperation of described cylinder inner wall, described work
Plug push rod can move back and forth in described inflator, and described seal head is provided through its first end and the through hole at the second end, institute
The first end stating seal head is connected with described pore, and the first end of described seal head is relative with the second end of described seal head;
Defecator, described defecator includes liquid receiver and filter, and described liquid receiver is first end and the second end is all provided with
It is equipped with the cylinder of opening, the first end of described liquid receiver is used for being connected with the second end of described seal head, the of described liquid receiver
Two ends are connected with described filter.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, aforesaid one kind is just pressing through membrane device, and the first end edge of wherein said inflator is provided with for hand-held
Catch.
Preferably, aforesaid one kind just presses through membrane device, and wherein said piston push rod one end is provided with rubber ring or block rubber
For sealing cooperation with described cylinder inner wall.
Preferably, aforesaid one kind just presses through membrane device, and wherein said seal head adopts flexible material manufacture.
Preferably, aforesaid one kind is just pressing through membrane device, and the first end of wherein said seal head is tubular connecting ends, described close
Second end of end socket is conical head.
Preferably, aforesaid one kind just presses through membrane device, and wherein said tubular connecting ends and described pore are interference fit.
Preferably, aforesaid one kind is just pressing through membrane device, and the second end of wherein said seal head is snaphead.
Preferably, aforesaid one kind just presses through membrane device, and wherein said seal head first end is gluedd joint with described pore.
Preferably, aforesaid one kind just presses through membrane device, and wherein said seal head is integrally manufactured with described inflator.
Preferably, aforesaid one kind just presses through membrane device, is provided with mode-presetted filter membrane in wherein said filter.
By technique scheme, this utility model is just pressing through membrane device and is at least having following advantages:
In the technical scheme that this utility model provides, just pressing through membrane device and be made up of positive pressure devices and defecator, wherein just
Pressure device includes piston push rod and the seal head that inflator is adapted with inflator, and piston push rod can move back and forth in inflator
Realize the air inlet of inflator and action of giving vent to anger, can be used to the filtration for extracting solution provides barotropic gas, the pore energy of inflator simultaneously
Enough pass through to connect seal head and then be connected with the first end of the liquid receiver of defecator, the second end of liquid receiver be connected with for for
The filter that extracting solution filters, so makes the gas in positive pressure devices be pressed in liquid receiver by promoting piston push rod, can make to hold
In liquid device, the extracting solution of fill in advance completes to filter through filter.Compared in prior art, extracting solution is carried out using filter membrane
The step filtering, is all to be completed using disposable syringe, specifically, is to cover in the liquid outlet of disposable syringe syringe
Filter membrane, then extracting solution is contained in the syringe of disposable syringe, and the push rod finally by pressing disposable syringe will carry
Hydraulic filtering film is taken to complete to filter, this kind of filter type is very inconvenient in operation, needs first by disposable syringe
Push rod is separated with syringe, is inserting push rod in syringe, now had extraction in syringe in syringe after installing extracting solution
Liquid, during piston core bar is inserted syringe, extracting solution begins to be forced out, and now the not only bad control of pressing force, is also easy to
Cross senior general's filter membrane because of pressure to crush, especially multiple in batch processing extracting solution installation push rod operates pretty troublesome, especially
During the extracting solution of its batch processing difference sample, need every kind of extracting solution all using new disposable syringe, use consumption
Damage big, cost up.What this utility model provided just presses through membrane device when using, and positive pressure devices can be separated with liquid receiver, when
Positive pressure devices are docked with liquid receiver after pumping full air again, and docking simply only needs the seal head of positive pressure devices and the first of liquid receiver
End connects, and then makes extracting solution complete to filter through filter air press-in liquid receiver, operates easily, is easy to grasp
Make personnel control be pressed into liquid receiver pressure, especially for batch processing sample extracting solution when, due to positive pressure devices with hold liquid
Device docking simple operationss get up to greatly improve work efficiency, and positive pressure devices can be used for multiple times and need not change, and can save into
This.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Brief description
One kind that Fig. 1 provides for this utility model embodiment is just pressing through membrane device structural representation.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, one kind that embodiment of the present utility model proposes just presses through membrane device, it includes:Positive pressure devices 1 and mistake
Filter device 2;Positive pressure devices 1 include piston push rod 12 and the seal head 13 that inflator 11 is adapted with inflator 11;Wherein, inflator
11 first end is provided with jack, and the second end of the inflator 11 relative with the first end of inflator 11 is provided with pore, piston push rod
12 insert inflator 11 by jack, coordinate with inflator 11 inwall, and piston push rod 12 can move back and forth in inflator 11, seal head
13 through holes 131 being provided through its first end and the second end, the first end of seal head 13 is connected with pore, and the of seal head 13
One end is relative with the second end of seal head 13;Defecator 2 includes liquid receiver 21 and filter 22, and liquid receiver 21 is first end and the
Two ends are provided with the cylinder of opening, and the first end of liquid receiver 21 is used for being connected with the second end of seal head 13, liquid receiver 21
Second end is connected with filter 22.
There is provided using this utility model when just pressing through membrane device, first piston push rod is being installed together with inflator, then
Second end of seal head and inflator is connected (this step if seal head and inflator are one can be saved), simultaneously by liquid receiver the
Two ends are connected with filter, and will load, in liquid receiver, the sample extracting solution needing to filter, finally by the positive pressure devices being completed
Seal head dock with the liquid receiver first end of defecator, now operator can by control promote piston push rod speed
Degree come to control press-in liquid receiver normal pressure, control extracting solution pass through filter speed, when complete the air in inflator all by
After piston push rod is released, or when the extracting solution in liquid receiver has all filtered, aforesaid operations step can be repeated.
Specifically, the cooperation of inflator and piston push rod may be referred to the Combined with Radiotherapy formula of syringe, and inflator and piston push rod can
To be manufactured using plastic material, wherein divide can be using rubber ring, block rubber or rubber for piston push rod and inflator sealing fit portion
Rubber cushion, seal head can be manufactured using flexible material, and the second end of seal head can be arranged as required to into hemispherical or
Tapered.Liquid receiver wherein in defecator can use the syringe of syringe, and filter can use routine of the prior art
It is loaded with the filter of filter membrane, or liquid receiver can be arranged as required to into the container of various capacity, as long as keeping the of liquid receiver
The opening of one end is coordinated with the second end of seal head, and keeps the opening at the second end of liquid receiver can be connected i.e. with filter
Can.Wherein, the filter membrane of Multiple Type, such as 0.20,0.22 or 0.45 micron of filter membrane can be set in filter, can pass through more
Change the filter being loaded with different model filter membrane, to carry out the different filter operation of extracting solution.
In the technical scheme that this utility model provides, just pressing through membrane device and be made up of positive pressure devices and defecator, wherein just
Pressure device includes piston push rod and the seal head that inflator is adapted with inflator, and piston push rod can move back and forth in inflator
Realize the air inlet of inflator and action of giving vent to anger, can be used to the filtration for extracting solution provides barotropic gas, the pore energy of inflator simultaneously
Enough pass through to connect seal head and then be connected with the first end of the liquid receiver of defecator, the second end of liquid receiver be connected with for for
The filter that extracting solution filters, so makes the gas in positive pressure devices be pressed in liquid receiver by promoting piston push rod, can make to hold
In liquid device, the extracting solution of fill in advance completes to filter through filter.Compared in prior art, extracting solution is carried out using filter membrane
The step filtering, is all to be completed using disposable syringe, specifically, is to cover in the liquid outlet of disposable syringe syringe
Filter membrane, then extracting solution is contained in the syringe of disposable syringe, and the push rod finally by pressing disposable syringe will carry
Hydraulic filtering film is taken to complete to filter, this kind of filter type is very inconvenient in operation, needs first by disposable syringe
Push rod is separated with syringe, is inserting push rod in syringe, now had extraction in syringe in syringe after installing extracting solution
Liquid, during piston core bar is inserted syringe, extracting solution begins to be forced out, and now the not only bad control of pressing force, is also easy to
Cross senior general's filter membrane because of pressure to crush, especially multiple in batch processing extracting solution installation push rod operates pretty troublesome, especially
During the extracting solution of its batch processing difference sample, need every kind of extracting solution all using new disposable syringe, use consumption
Damage big, cost up.What this utility model provided just presses through membrane device when using, and positive pressure devices can be separated with liquid receiver, when
Positive pressure devices are docked with liquid receiver after pumping full air again, and docking simply only needs the seal head of positive pressure devices and the first of liquid receiver
End connects, and then makes extracting solution complete to filter through filter air press-in liquid receiver, operates easily, is easy to grasp
Make personnel control be pressed into liquid receiver pressure, especially for batch processing sample extracting solution when, due to positive pressure devices with hold liquid
Device docking simple operationss get up to greatly improve work efficiency, and positive pressure devices can be used for multiple times and need not change, and can save into
This.
As shown in figure 1, in the middle of being embodied as, the first end edge of wherein inflator 11 is provided with for hand-held catch
111.
Specifically, operator hold inflator for convenience, facilitate operator to hold inflator simultaneously and promote
In the annular or oval catch of the first end edge of inflator setting, when using inflator, operator can enter piston push rod
The operation of one hands of row, operator can be conflicted catch using two fingerhold inflators simultaneously, then using other one
Finger push piston push rod, and then release the gas in inflator, so that gas is entered in liquid receiver, by the gas released in inflator
Extracting solution in liquid receiver is completed to filter through filter.
As shown in figure 1, in the middle of being embodied as, wherein piston push rod 12 one end is provided with rubber ring 121 or block rubber is used
In with described inflator 11 inner wall sealing cooperation.
Specifically, in order that piston push rod can have the sealing cooperation of check with inflator, stretch into inflator in piston push rod
One end setting rubber ring or block rubber carry out sealing cooperation.
In the middle of being embodied as, wherein seal head adopts flexible material manufacture.
Specific volume, seal head is in order that can form an opposing seal when positive pressure devices are coordinated with defecator
Space, makes the air in positive pressure devices be pressed in liquid receiver, can produce certain pressure to the extracting solution in liquid receiver, and then
Extracting solution is made to complete to filter through filter, so seal head adopts flexible material manufacture, when the first end of seal head and liquid receiver
During cooperation, operator can make seal head produce deformation, and then so that seal head and the first end of liquid receiver is connected by applying pressure
Can seal after connecing.
As shown in figure 1, in the middle of being embodied as, wherein the first end of seal head 13 is tubular connecting ends 132, with pore is
Interference fit, the second end of seal head 13 is conical head 133 or snaphead.
Specifically, the first end of seal head can be arranged to tubulose or other shapes, and wherein optimal embodiment is
Tubulose, such seal head can directly be plugged on the pore of inflator, complete sealing cooperation by interference fit, or can adopt
With gap cooperation, realize sealing cooperation by adding encapsulant in seal head with the gap of inflator cooperation.And by seal head
The second end be arranged to conical head or snaphead, be conducive to the connection cooperation of the first end of seal head and liquid receiver, sealing
Head by pressure pressure holding at the opening of liquid receiver first end when, the structure of tapered head or snaphead can make seal head
Connection and liquid receiver between, forms preferable sealing effectiveness.
In the middle of being embodied as, seal head first end can also be a plane or one larger through hole of setting, so
Glued joint with the pore at inflator second end afterwards.
In the middle of be embodied as, wherein seal head and inflator can also adopt integrally manufactured, the inflator that so saves with close
The step that end socket is installed, increases and simplifies the operation that this utility model is just pressing through membrane device.
In the middle of being embodied as, wherein in filter, it is provided with mode-presetted filter membrane.
Specifically, the filter membrane of different model can be loaded with filter, can be realized to extraction by changing different filters
The different filtration of liquid.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power
The protection domain that profit requires is defined.
Claims (10)
1. one kind is just pressing through membrane device it is characterised in that including:
Positive pressure devices, described positive pressure devices include piston push rod and the seal head that inflator is adapted with described inflator;
Wherein, the first end of described inflator is provided with jack, the second end of the described inflator relative with the first end of described inflator
It is provided with pore, described piston push rod passes through described jack and inserts described inflator, coordinates with described cylinder inner wall, and described piston pushes away
Bar can move back and forth in described inflator, and described seal head is provided through its first end and the through hole at the second end, described close
The first end of end socket is connected with described pore, and the first end of described seal head is relative with the second end of described seal head;
Defecator, described defecator includes liquid receiver and filter, and described liquid receiver is first end and the second end is provided with
The cylinder of opening, the first end of described liquid receiver is used for being connected with the second end of described seal head, the second end of described liquid receiver
It is connected with described filter.
2. according to claim 1 just pressing through membrane device it is characterised in that
The first end edge of described inflator is provided with for hand-held catch.
3. according to claim 1 just pressing through membrane device it is characterised in that
Described piston push rod one end is provided with rubber ring or block rubber is used for sealing cooperation with described cylinder inner wall.
4. according to claim 1 just pressing through membrane device it is characterised in that
Described seal head adopts flexible material manufacture.
5. according to claim 4 just pressing through membrane device it is characterised in that
The first end of described seal head is tubular connecting ends, and the second end of described seal head is conical head.
6. according to claim 5 just pressing through membrane device it is characterised in that
Described tubular connecting ends and described pore are interference fit.
7. according to claim 4 just pressing through membrane device it is characterised in that
Second end of described seal head is snaphead.
8. according to claim 1 just pressing through membrane device it is characterised in that
Described seal head first end is gluedd joint with described pore.
9. according to claim 1 just pressing through membrane device it is characterised in that
Described seal head is integrally manufactured with described inflator.
10. according to claim 1 just pressing through membrane device it is characterised in that
It is provided with mode-presetted filter membrane in described filter.
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CN201620997036.6U CN205995282U (en) | 2016-08-30 | 2016-08-30 | Just pressing through membrane device |
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CN201620997036.6U CN205995282U (en) | 2016-08-30 | 2016-08-30 | Just pressing through membrane device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107774138A (en) * | 2016-08-30 | 2018-03-09 | 新疆农业科学院农业质量标准与检测技术研究所 | Just press through membrane device |
CN108722188A (en) * | 2017-04-19 | 2018-11-02 | 新疆农业科学院农业质量标准与检测技术研究所 | Filter |
-
2016
- 2016-08-30 CN CN201620997036.6U patent/CN205995282U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107774138A (en) * | 2016-08-30 | 2018-03-09 | 新疆农业科学院农业质量标准与检测技术研究所 | Just press through membrane device |
CN108722188A (en) * | 2017-04-19 | 2018-11-02 | 新疆农业科学院农业质量标准与检测技术研究所 | Filter |
CN108722188B (en) * | 2017-04-19 | 2024-04-12 | 新疆农业科学院农业质量标准与检测技术研究所 | Filter device |
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