CN207342719U - A kind of jet rupture of membranes samples dropper - Google Patents
A kind of jet rupture of membranes samples dropper Download PDFInfo
- Publication number
- CN207342719U CN207342719U CN201721340335.3U CN201721340335U CN207342719U CN 207342719 U CN207342719 U CN 207342719U CN 201721340335 U CN201721340335 U CN 201721340335U CN 207342719 U CN207342719 U CN 207342719U
- Authority
- CN
- China
- Prior art keywords
- extrusion head
- tube body
- air jet
- jet pipe
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model, which discloses a kind of jet rupture of membranes sampling dropper, includes extrusion head and tube body；Tubular body sets air jet pipe, and air jet pipe upper end and extrusion head are tightly connected, lower ending opening and the thief hatch position for extending to tube body：Unidirectionally dirty film valve is set in air jet pipe；Unidirectional upper film valve is set close to the position of extrusion head in tube body, and pressing mechanism is set below unidirectional upper film valve.Since air jet pipe inner space is much smaller with respect to tube body, when extrusion head is extruded, since unidirectional upper film valve is hermetic closed to tube body progress, and the film valve that unidirectionally flows down carries out airtight unlatching to air jet pipe；Therefore the large quantity of air of extrusion head memory storage continues rapidly to spray in thief hatch by tiny air jet pipe, and liquid film maintenance in upper strata is broken state makes thief hatch be inserted into internal liquid without touching upper strata liquid film.The sample clarity in sampling process is maintained, recycles the pressing mechanism of diversified forms to squeeze out the sample of tubular body after sampling and carries out subsequent survey work.
Description
Technical field
A kind of inspection and quarantine utensil is the utility model is related to, more particularly to a kind of sampling that liquid film is blown brokenly using jet is dripped
Pipe.
Background technology
During inspection and quarantine, test sample is frequently encountered below one layer of liquid film.Such as on tested water body
Situations such as being covered with one layer of oil film.Part can be brought on dropper head by being directly inserted into from top to bottom with dropper when lower section liquid uses
Upper strata liquid film, if be not desired in sampling process by upper liquid fouling membrane lower floor sample, it is necessary to which filtered or deoiled single-candidate
Outer operation.Sometimes for the environment of funds or experiment condition deficiency, difficulty can all be brought by being filtered or being deoiled etc..It is if straight
Connect and use dropper, the air in dropper is sprayed into liquid film using extrusion head, it is possible to break liquid film.But spray the when compole of gas
Short (t<Extrusion head (100) ms), inside experimenter can not make the best use of time to be inserted into dropper before liquid film restores again at all.
Utility model content
In order to solve the above-mentioned technical problem, the utility model aim is to provide a kind of jet rupture of membranes sampling dropper.
A kind of jet rupture of membranes sampling dropper described in the utility model, including extrusion head and tube body；The tube body upper end
It is tightly connected with extrusion head, lower end sets thief hatch；It is characterized in that, the tubular body sets air jet pipe, the spray
Tracheae upper end and extrusion head are tightly connected, lower ending opening and the thief hatch position for extending to tube body：Set in the air jet pipe
Unidirectionally dirty film valve；Unidirectional upper film valve is set close to the position of extrusion head in the tube body, and under unidirectional upper film valve
Side sets pressing mechanism；The pressing mechanism is used for the sample in extruding pipe body.
The 1/10 to 1/5 of a diameter of pipe diameter of the air jet pipe.
The tube body sets through hole below unidirectional upper film valve, and through hole is hermetic closed with squeeze film；The through hole
Pressing mechanism is formed with squeeze film.
The tube body sets through hole below unidirectional upper film valve, and through hole is hermetic closed with secondary extrusion head；Described is logical
Hole and time extrusion head form pressing mechanism.
Be tightly connected between the secondary extrusion head and through hole by connecting tube, the connecting tube along extrusion head direction to
It is upper to extend and maintain an equal level with tube body upper end position；Through hole, connecting tube and the secondary extrusion head composition pressing mechanism.
A kind of jet rupture of membranes sampling dropper described in the utility model, the advantage is that, due to air jet pipe inner space phase
It is much smaller to tube body, when extrusion head is extruded, due to unidirectional upper film valve tube body is carried out it is hermetic closed, and it is unidirectional under
Flow film valve and airtight unlatching is carried out to air jet pipe；Therefore the large quantity of air of extrusion head memory storage continues adopting by tiny air jet pipe
Sample mouth rapidly sprays, and liquid film maintenance in upper strata is broken state makes thief hatch be inserted into internal liquid without touching upper strata liquid film.Protect
The sample clarity in sampling process has been held, has recycled the pressing mechanism of diversified forms to extrude the sample of tubular body after sampling
Out carry out subsequent survey work.Structure is very simple, easy to operate and of low cost, is adapted to try in various small-sized inspection and quarantine
Test middle use.
Brief description of the drawings
Fig. 1 is one structure diagram of embodiment of the utility model jet rupture of membranes sampling dropper；
Fig. 2 is two structure diagram of embodiment of the utility model jet rupture of membranes sampling dropper；
Fig. 3 is three structure diagram of embodiment of the utility model jet rupture of membranes sampling dropper.
Embodiment
A kind of jet rupture of membranes sampling dropper described in the utility model includes extrusion head 100 and tube body 200；The tube body
200 upper ends are tightly connected with extrusion head 100, lower end sets thief hatch；It is characterized in that, the inside of tube body 200 sets spray
Tracheae 210,210 upper end of air jet pipe and extrusion head 100 are tightly connected, lower ending opening and the sampling for extending to tube body 200
Mouth position：Unidirectionally dirty film valve 211 is set in the air jet pipe 210；Close to the position of extrusion head 100 in the tube body 200
Unidirectional upper film valve 201 is installed, and pressing mechanism is set below unidirectional upper film valve 201；The pressing mechanism is used for
Extrude the sample in tube body 200.210 diameter of air jet pipe is more much smaller than 200 diameter of tube body, about between 1/10 to 1/5.
Since 210 inner space of air jet pipe is much smaller with respect to tube body 200 when use, in extruding extrusion head 100
When, due to unidirectional upper film valve 201 tube body 200 is carried out it is hermetic closed, and unidirectionally flow down film valve 211 to air jet pipe 210 into
The close unlatching of promoting the circulation of qi；Therefore the large quantity of air of 100 memory storage of extrusion head continues rapidly to spray in thief hatch by tiny air jet pipe 210
Penetrate, liquid film maintenance in upper strata is broken state makes thief hatch be inserted into internal liquid without touching upper strata liquid film.Release is to extrusion head
100 extruding, extrusion head 100 can produce suction function under natural resiliency reset to tube body 200；Unidirectionally flow down film valve at this time
211 pairs of air jet pipes 210 carry out hermetic closed, and unidirectional upper film valve 201 enters tube body 200 airtight to open suction sample；Sample
Product will not be entered in air jet pipe 210, are kept the cleaning of air jet pipe 210, be can be recycled.Maintain the sample in sampling process
Clarity, recycles the pressing mechanism of diversified forms that the sample inside tube body 200 is squeezed out carry out subsequent survey after sampling
Work.
The pressing mechanism can at least have following three kinds of embodiments：
Embodiment one, as shown in Figure 1, the tube body 200 sets through hole below unidirectional upper film valve 201, through hole with
Squeeze film 202 is hermetic closed；The through hole and squeeze film 202 form pressing mechanism.Advantage is that pressing mechanism will not extend
Go out outside tube body 200, jet rupture of membranes sampling dropper integrally keeps the shape of general dropper, easily stores and suitable for various experiments
Bag/chamber.
Embodiment two, as shown in Fig. 2, the tube body 200 sets through hole below unidirectional upper film valve 201, through hole with
Secondary extrusion head 203 is hermetic closed；The through hole and time extrusion head 203 forms pressing mechanism.Advantage is to set gas capacity phase
The secondary extrusion head 203 of one bigger of comparative example, faster can disposably squeeze out sample, and operation is quicker.
Embodiment three, as shown in figure 3, be tightly connected between the secondary extrusion head 203 and through hole by connecting tube 204,
The connecting tube 204 is upwardly extended along 100 direction of extrusion head and maintained an equal level with 200 upper end position of tube body；The through hole, connection
Pipe 204 and time extrusion head 203 form pressing mechanism.The present embodiment is that the further of embodiment two is improved, the company upwardly extended
Adapter 204 maintains an equal level with 200 upper end position of tube body, time extrusion head 203 is in relatively uniform position with extrusion head 100, operates
Personnel can utilize two to three fingers to complete whole process during sampling and extruding sample, and operation is more square
Just, it is more in line with the gesture custom of routine test operation.
For those skilled in the art, technical solution that can be as described above and design, make other each
The corresponding change of kind and deformation, and all these changes and deformation should all belong to the guarantor of the utility model claims
Within the scope of shield.
Claims (5)
1. a kind of jet rupture of membranes samples dropper, it is characterised in that including extrusion head (100) and tube body (200)；The tube body
(200) upper end is tightly connected with extrusion head (100), lower end sets thief hatch；It is characterized in that, the tube body (200) is internal
Air jet pipe (210) is set, and the air jet pipe (210) upper end and extrusion head (100) are tightly connected, lower ending opening and extend to pipe
The thief hatch position of body (200)：Unidirectionally dirty film valve (211) is set in the air jet pipe (210)；The tube body (200)
The position of interior close extrusion head (100) sets unidirectional upper film valve (201), and sets and press below unidirectional upper film valve (201)
Press mechanism；The pressing mechanism is used to extrude the sample in tube body (200).
2. jet rupture of membranes sampling dropper according to claim 1, it is characterised in that described air jet pipe (210) a diameter of pipe
The 1/10 to 1/5 of body (200) diameter.
3. jet rupture of membranes sampling dropper according to claim 1, it is characterised in that the tube body (200) is unidirectional upper
Through hole is set below film valve (201), and through hole is hermetic closed with squeeze film (202)；The through hole and squeeze film (202) composition are pressed
Press mechanism.
4. jet rupture of membranes sampling dropper according to claim 1, it is characterised in that the tube body (200) is unidirectional upper
Through hole is set below film valve (201), and through hole is hermetic closed with secondary extrusion head (203)；The through hole and time extrusion head (203) group
Into pressing mechanism.
5. jet rupture of membranes sampling dropper according to claim 4, it is characterised in that the secondary extrusion head (203) and through hole
Between be tightly connected by connecting tube (204), the connecting tube (204) upwardly extended along extrusion head (100) direction and with pipe
Body (200) upper end position maintains an equal level；Through hole, connecting tube (204) and time extrusion head (203) the composition pressing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340335.3U CN207342719U (en) | 2017-10-18 | 2017-10-18 | A kind of jet rupture of membranes samples dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340335.3U CN207342719U (en) | 2017-10-18 | 2017-10-18 | A kind of jet rupture of membranes samples dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207342719U true CN207342719U (en) | 2018-05-11 |
Family
ID=62355408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340335.3U Expired - Fee Related CN207342719U (en) | 2017-10-18 | 2017-10-18 | A kind of jet rupture of membranes samples dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207342719U (en) |
-
2017
- 2017-10-18 CN CN201721340335.3U patent/CN207342719U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190509 Address after: No. 100, building No. 34, No. 100, martyr Middle Road, Guangdong, Guangdong Patentee after: Guangdong Institute of test and analysis (Guangzhou analysis and testing center, China) Address before: 510000 Courtyard No. 100 Xianlie Middle Road, Guangzhou City, Guangdong Province Patentee before: Wang Zhiqiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20201018 |