CN209027891U - A kind of screw push type sample extraction device - Google Patents
A kind of screw push type sample extraction device Download PDFInfo
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- CN209027891U CN209027891U CN201821064315.2U CN201821064315U CN209027891U CN 209027891 U CN209027891 U CN 209027891U CN 201821064315 U CN201821064315 U CN 201821064315U CN 209027891 U CN209027891 U CN 209027891U
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Abstract
The utility model provides a kind of screw push type sample extraction device, including scalable sample size bottle, sample extraction device shell, pressure detecting module, spiral promotion device and filter device: scalable sample size bottle is located at sample extraction device enclosure interior: sample extraction device shell one end connection filter device: the spiral promotion device insertion sample extraction device shell other end: being installed on pressure detecting module between spiral promotion device and scalable sample size bottle；Pressure detecting module is connected on spiral promotion device.Using such screw push type sample extraction device can completely manual operation in environment outdoors, need not rely on the intervention of outer power, and it is possible to prevente effectively from pressure exerting arrangement is directly contacted with solution causes secondary pollution to sample.
Description
Technical field
The utility model relates to the sample extraction device of separation of solid and liquid more particularly to a kind of screw push type sample extraction devices.
Background technique
Existing probe tube is made of solution catcher after original solution container, filter, power input module and filter.It is made
Industry principle are as follows: filter membrane is placed in the centre of original solution container and power input module, and is fixed with clip.Then after filtering
Solution catcher is connected to the lower section of power input module.
Power input module connects external vacuum pump, the power input group of filter membrane lower end when external vacuum pump is started to work
Negative Pressure Difference is formed between the cavity of part and the cavity of original solution container, so that original solution be forced to permeate filter membrane from top to bottom, is greater than filter
The sample of membrane aperture will stay on filter membrane, while solution and will flow into solution catcher after filter less than the impurity for filtering unconcerned aperture.
Filter sizes due to extracting sample generally only have 20 microns, need very big pressure difference that can just solution be made to seep
Filter membrane, and traditional device can not provide positive differential pressure, so the pressure influence sampling effect for penetrating filter membrane cannot be provided.And
In extraction process, sample is extracted contaminated.
Utility model content
The technical problems to be solved in the utility model is to design a kind of screw push type sample extraction device, solves existing sample
This extractor can not outdoors or other it is motorless under the premise of manual pressure sampling and during the extraction process, extract sample quilt
The technical issues of secondary pollution.
In order to solve the above technical problems, the utility model provides-kind of screw push type sample extraction device, including scalable
Sample size bottle, sample extraction device shell, pressure detecting module, spiral promotion device and filter device: scalable sample holds
Measuring bottle is located at sample extraction device enclosure interior: sample extraction device shell one end connects filter device: spiral promotion device insertion
The sample extraction device shell other end: pressure detecting module is installed between spiral promotion device and scalable sample size bottle:
Pressure detecting module is connected on spiral promotion device.
Further, spiral promotion device includes driving handle, threaded rod and nut shell；Threaded rod is equipped with outer spiral shell
Line；Threaded rod connects one end and is fixedly connected with driving handle, and another-internal thread hole of the end on nut shell is inserted into sample
This extractor enclosure interior is connect with pressure detecting module: threaded rod and nut shell are threadedly coupled: sample extraction device shell
The other end is fixedly connected with nut shell.
Into-one step, sample extraction device shell is threadedly coupled with filter device.
Further, filter device includes filtering head, mesh plate and filter membrane: filtering head is connect with sample extraction device shell
The inside at place is equipped with boss: mesh plate is placed on the boss of filtering head: filter membrane is laid on mesh plate and does not contact with filtering head
The surface of side.
Further, the bottleneck of scalable sample size bottle is equipped with erection support: the bottleneck peace of scalable sample size bottle
On erection support: the erection support position other end is fixedly connected with filter device.
Further, scalable sample size bottle and erection support spiral junction are equipped with sealing ring.
Further, sample extraction device shell is equipped with pressure display unit: pressure display unit is connect with pressure detecting module.
Further, it is further to be provided with antiskid thread for sample extraction device housing outer surface, is inside scalable sample size bottle
Sterile vacuum sampling bottle.
Further, mesh plate is magnetic material: mesh plate is connect with filtering head magnetism.
The utility model has the beneficial effects that using such screw push type sample extraction device can outdoors in environment it is complete
Full manual operation, needs not rely on the intervention of outer power, and it is possible to prevente effectively from pressure exerting arrangement is directly contacted with solution to sample
Originally secondary pollution is caused.
Detailed description of the invention
Specific embodiment of the present utility model is furtherd elucidate with reference to the accompanying drawing.Fig. 1 is the utility model
The structure chart of screw push type sample extraction device:
Fig. 2 is the Structure explosion diagram of the screw push type sample extraction device of the utility model:
Fig. 3 is the connection of scalable sample size and erection support in the screw push type sample extraction device of the utility model
Structure chart:
Fig. 4 is the position assumption diagram of filtering head and mesh plate in the screw push type sample extraction device of the utility model: attached
Figure grade explanation:
1, scalable sample size bottle: 2, sample extraction device shell: 3, pressure detecting module: 4, driving handle: 5, screw thread
Bar: 6, nut shell；7, filtering head；8, mesh plate: 9, filter membrane；10, erection support.
Specific embodiment
In conjunction with Fig. 1 to Fig. 4, the utility model provides-kind of screw push type sample extraction device, including scalable sample holds
Measuring bottle 1, sample extraction device shell 2, pressure detecting module 3, spiral promotion device and filter device.
Original solution is poured into scalable sample size bottle 1 first when operation, and scalable sample size bottle 1 is put into sample
In extractor shell 2.Then filter device and spiral promotion device are docked, by spiral promotion device to scalable sample
This volumetric flask 1 applies pressure.To force scalable sample size bottle 1 to be compressed, original solution therein is by being placed in filtering
Filter membrane 9 in device, the sample that diameter is greater than filter sizes will be filtered on filter membrane, and diameter is less than the impurity of filter sizes
Filter unit will be flowed out from mouth from filtering head 7 with solution.
The present embodiment is preferred, and spiral promotion device includes driving handle 4, threaded rod 5 and nut shell 6；On threaded rod 5
Equipped with external screw thread: threaded rod 5 connects one end and is fixedly connected with driving handle 4, and the other end passes through interior on nut shell 6
Threaded hole is inserted into 2 inside of sample extraction device shell and connect with pressure detecting module 3；Threaded rod 5 and nut shell 6
It is threadedly coupled；Sample extraction device shell 2 is fixedly connected with nut shell 6.Pressure detecting module 3 is located at sample extraction device shell 2
It is internal.Driving handle 4 controls screw rod in the disengaging of nut shell 6 by rotation.The screw rod of screw drive handle 4 will move downward
And scalable sample size bottle 1 is squeezed, while real-time detection driving handle 4 is applied to scalable sample by pressure detecting module 3
Pressure on volumetric flask 1.The maximum pressure that can bear by pressure ultrafiltration membrane 9 is prevented, so that filter membrane be made to rupture, simultaneously will
Pressure signal is transmitted to the rotation speed for instructing operating personnel suitably to increase and decrease screw drive handle 4 on external display.
The present embodiment is preferred, and the bottleneck of scalable sample size bottle 1 is equipped with erection support 10: scalable sample size bottle 1
Bottleneck connected with 10 spiral of erection support；Pass through the position of the fixed scalable sample size bottle 1 of erection support 10.Moreover, peace
Dress 10 other ends of support are fixedly connected with filter device, and are fixedly clamped filter membrane 9 with the mesh plate 8 in filter device, can
To effectively prevent the movement of filter membrane 9 that detection liquid is caused to flow directly out without filter membrane 9.
The present embodiment is preferred, and scalable sample size bottle 1 and 10 spiral junction of erection support are equipped with sealing ring.Sealing ring
Liquid can be effectively prevented to overflow from the junction of scalable sample size bottle 1 and erection support 10, be also possible to prevent former molten nothing
Method all passes through the generation of 9 filtering phenomenon of filter membrane.
The present embodiment is preferred, is Sterile vacuum sampling bottle inside scalable sample size bottle 1.Sterile vacuum sampling bottle can be with
The authenticity for guaranteeing detection data, reduces detection error caused by external factor, fundamentally promotes the correctness of testing result.
The present embodiment is preferred, and 2 outer surface of sample extraction device shell is provided with antiskid thread.Antiskid thread can be such that screw thread pushes away
Slip phenomenon will not occur in practical process into this extractor of style, detection efficiency can be promoted.
The present embodiment is preferred, and sample extraction device shell 2 is threadedly coupled with filter device.The mode of threaded connection can make to drive
When fixed handle 4 is applied to the pressure on scalable sample size bottle 1., sample extraction device shell 2 is connect more with filter device
Securely, it prevents from causing sample extraction device shell 2 to separate with filter device because pressure is excessive.
The present embodiment is preferred, and filter device includes filtering head 7, mesh plate 8 and filter membrane 9: filtering head 7 and sample extraction device
The inside of 2 junction of shell is equipped with boss: mesh plate 8 is placed on the boss of filtering head 7: filter membrane 9 is laid on mesh plate 8 not
The surface of side is contacted with filtering head 7.
The present embodiment is preferred, and mesh plate 8 is magnetic material: mesh plate 8 is connect with 7 magnetism of filtering head.Mesh plate 8 can be inhaled
It is attached on the boss being equipped with inside filtering head 7, prevents mesh plate 8 from falling off and losing in disassembly process.
Elaborate many details in the above description in order to fully understand the utility model.But above description
It is only the preferred embodiment of the utility model, the utility model can be come with being much different from other way described herein
Implement, therefore the utility model is not limited by specific implementation disclosed above.Any those skilled in the art exist simultaneously
It does not depart under technical solutions of the utility model ambit, it is all practical new to this using the methods and technical content of the disclosure above
Type technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.It is all without departing from this
It is real
With the content of new technique scheme, foundation the technical essence of the utility model any letter made to the above embodiment
Single modification, equivalent variations and modification, in the range of still falling within technical solutions of the utility model protection.
Claims (10)
1. a kind of screw push type sample extraction device, it is characterised in that: including scalable sample size bottle (1), sample extraction device
Shell (2), pressure detecting module (3), spiral promotion device and filter device: the scalable sample size bottle (1) is located at
Sample extraction device shell (2) is internal: the sample extraction device shell (2) -- end connection filter device: the spiral promotion dress
It sets insertion sample extraction device shell (2) other end: being installed between the spiral promotion device and scalable sample size bottle (1)
There are pressure detecting module (3)；The pressure detecting module (3) is connected on spiral promotion device.
2. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the spiral promotion device
Including driving handle (4), threaded rod (5) and nut shell (6)；Threaded rod (5) is equipped with external screw thread；The threaded rod
(5)-end is fixedly connected with driving handle (4), and the internal thread hole that the other end passes through on nut shell (6) is inserted into sample extraction device
Connect inside shell (2) with pressure detecting module (3): the threaded rod (5) and nut shell (6) are threadedly coupled；The sample
Extractor shell (2) is fixedly connected with nut shell (6).
3. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the sample extraction device shell
(2) it is threadedly coupled with filter device.
4. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the filter device included
Filter (7), mesh plate (8) and filter membrane (9)；The filtering head (7) and the inside of sample extraction device shell (2) junction are equipped with
Boss: the mesh plate (8) is placed on the boss of filtering head (7): the filter membrane (9) be laid on mesh plate (8) not with mistake
The surface of filter (7) contact side.
5. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the scalable sample size
The bottleneck of bottle (1) is equipped with erection support (10)；The bottleneck of the scalable sample size bottle (1) is mounted on erection support (10)
Upper: erection support (10) position other end is connect with filter device.
6. a kind of screw push type sample extraction device as claimed in claim 5, it is characterised in that: the scalable sample size
Bottle (1) and erection support (10) spiral junction are equipped with sealing ring.
7. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the sample extraction device shell
(2) be equipped with pressure display unit: the pressure display unit is connect with pressure detecting module (3).
8. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the sample extraction device shell
(2) outer surface is provided with antiskid thread.
9. a kind of screw push type sample extraction device as described in claim 1, it is characterised in that: the scalable sample size
It is Sterile vacuum sampling bottle inside bottle (1).
10. a kind of screw push type sample extraction device as claimed in claim 4, it is characterised in that: the mesh plate (8) is magnetic
Property material；The mesh plate (8) connect with filtering head (7) magnetism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064315.2U CN209027891U (en) | 2018-07-06 | 2018-07-06 | A kind of screw push type sample extraction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064315.2U CN209027891U (en) | 2018-07-06 | 2018-07-06 | A kind of screw push type sample extraction device |
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| Publication Number | Publication Date |
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| CN209027891U true CN209027891U (en) | 2019-06-25 |
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| CN201821064315.2U Active CN209027891U (en) | 2018-07-06 | 2018-07-06 | A kind of screw push type sample extraction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593404A (en) * | 2018-07-06 | 2018-09-28 | 无锡宏众基因科技有限公司 | A kind of screw push type sample extraction device |
-
2018
- 2018-07-06 CN CN201821064315.2U patent/CN209027891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593404A (en) * | 2018-07-06 | 2018-09-28 | 无锡宏众基因科技有限公司 | A kind of screw push type sample extraction device |
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