CN214976376U - Cleaning device for sampling needle - Google Patents
Cleaning device for sampling needle Download PDFInfo
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- CN214976376U CN214976376U CN202120875603.1U CN202120875603U CN214976376U CN 214976376 U CN214976376 U CN 214976376U CN 202120875603 U CN202120875603 U CN 202120875603U CN 214976376 U CN214976376 U CN 214976376U
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- barrel
- sampling needle
- wash bowl
- cleaning device
- cleaning
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Abstract
The application relates to a belt cleaning device of sampling needle, it includes the wash bowl that the upper end opening set up, the wash bowl is used for supplying the sampling needle to insert in the wash bowl, the wash bowl is provided with annular channel along the circumferencial direction, the wash bowl inner wall along the circumferencial direction interval seted up with the communicating a plurality of hole for water spraying of annular channel, wash the section of thick bamboo outer wall and be provided with the communicating water supply connector with annular channel, water supply connector has the inlet tube. This application has the accurate effect of improvement sampling needle sample.
Description
Technical Field
The application relates to the field of blood cell capture equipment, in particular to a cleaning device for a sampling needle.
Background
Microfluidic chip technology, also known as lab-on-a-chip, can be used for operations including sample separation, preparation, chemical reactions, detection, etc. The micro-fluidic chip has the characteristics of controllable liquid flow, extremely less consumed samples and reagents, ten-fold or hundred-fold improvement of analysis speed and the like, can simultaneously analyze hundreds of samples in a few minutes or even shorter time, and can realize the whole processes of pretreatment and analysis of the samples on line, thereby being widely applied.
The cell capture staining apparatus is a general purpose laboratory instrument used with an in vitro diagnostic kit containing a microfluidic chip and labeling reagents (immunofluorescent reagents for detecting and identifying captured cells) to differentiate target cells from a bulk sample. The existing cell capture staining equipment generally samples a sample by sampling in a sampling device and then transmits the sample to a microfluidic chip.
In view of the above-mentioned related art, the inventor believes that there is a defect that when the sampling needle performs the next sampling, the outer wall is easy to remain the sample sampled last time, thereby causing the contamination of the sampling needle.
SUMMERY OF THE UTILITY MODEL
In order to reduce the sampling needle pollution, improve the sample accuracy, this application provides a belt cleaning device of sampling needle.
The application provides a belt cleaning device of sampling needle adopts following technical scheme:
the utility model provides a belt cleaning device of sampling needle, includes the wash bowl that the upper end opening set up, the wash bowl is used for supplying in the sampling needle inserts the wash bowl, the wash bowl is provided with annular passage along the circumferencial direction, the wash bowl inner wall is seted up along the circumferencial direction interval with the communicating a plurality of hole for water spraying of annular passage, wash the section of thick bamboo outer wall and be provided with the communicating water supply connector with annular passage, water supply connector has the inlet tube.
Through adopting above-mentioned technical scheme, in the water entering into annular channel in the inlet tube, through the blowout with the communicating a plurality of hole for water spraying of annular channel, the sampling needle inserts and washs the sampling needle outer wall in the wash bowl to the liquid sanitization that remains on the sampling needle with the sample last time, thereby improve the accuracy of taking a sample.
Preferably, the bottom of the cleaning barrel is provided with a mounting seat, the mounting seat is provided with a water outlet connector communicated with the bottom of the cleaning barrel, and the water outlet connector is connected with a water outlet pipe.
Through adopting above-mentioned technical scheme, the waste liquid after the water spray washing is passed through the outlet pipe to the sampling needle to the water spray hole and is discharged.
Preferably, the wash bowl includes an upper cylinder and a lower cylinder, an upper cylinder lower extreme inner wall is provided with first breach groove, a lower cylinder upper end outer wall is provided with second breach groove along the circumferencial direction, the cooperation forms between first breach groove and the second breach groove annular channel, an upper cylinder can be dismantled with an upper cylinder and be connected.
Through adopting above-mentioned technical scheme, go up a section of thick bamboo and can dismantle the setting with a lower section of thick bamboo to make things convenient for the processing of annular channel and hole for water spraying, and the convenience carries out the clearance of impurity in to the annular channel.
Preferably, the lower end of the upper cylinder is in threaded connection with the upper end of the lower cylinder.
Through adopting above-mentioned technical scheme, go up a section of thick bamboo and a lower threaded connection to make things convenient for the installation of going up a section of thick bamboo and a lower section of thick bamboo.
Preferably, the water inlet joint and the water outlet joint are both in threaded connection with the cleaning barrel.
Through adopting above-mentioned technical scheme, water supply connector and water outlet joint and wash bowl threaded connection to make things convenient for the installation of water inlet structure and water outlet structure.
Preferably, water supply connector and water outlet joint all include threaded connection portion and connect the pipe portion, threaded connection portion and wash bowl threaded connection, connect the outer wall that the pipe portion is close to water inlet department on the annular be provided with the round platform step.
By adopting the technical scheme, the connecting pipe part is arranged into the round platform step, so that the connection stability of the water inlet pipe and the water outlet pipe with the water inlet connector and the water outlet connector is improved.
Preferably, the upper end of the cleaning cylinder is arranged in an outward opening mode through an arc.
Through adopting above-mentioned technical scheme, the outside uncovered setting of wash bowl upper end circular arc to make things convenient for the insertion of sampling needle.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water in the water inlet pipe enters the annular channel and is sprayed out through a plurality of water spraying holes communicated with the annular channel, the sampling needle is inserted into the cleaning cylinder to clean the outer wall of the sampling needle, so that the liquid remained on the sampling needle after the last sampling is cleaned, and the sampling accuracy is improved;
2. go up a section of thick bamboo and can dismantle the setting with a lower section of thick bamboo to make things convenient for the processing of annular channel and hole for water spraying, and conveniently carry out the clearance of impurity in the annular channel.
Drawings
Fig. 1 is a schematic structural view of a cleaning apparatus in an embodiment of the present application.
Fig. 2 is a vertical sectional view of the cleaning apparatus in the embodiment of the present application.
Fig. 3 is a schematic diagram of an exploded structure of an upper barrel, a lower barrel, a water inlet joint and a water outlet joint in the embodiment of the application.
Description of reference numerals: 1. a cleaning cylinder; 2. an annular channel; 3. a water spray hole; 4. a water inlet joint; 5. a water outlet joint; 6. a mounting seat; 7. feeding the cylinder; 8. a lower barrel; 9. a first notch groove; 10. a second notch groove; 11. a threaded connection; 12. and a pipe connecting part.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses belt cleaning device of sampling needle. Referring to fig. 1 and 2, the cleaning device includes a cleaning cylinder 1 with an upper end opening, the cleaning cylinder 1 is used for inserting a sampling needle into the cleaning cylinder 1, the cleaning cylinder 1 is provided with an annular channel 2 along the circumferential direction, a plurality of water spray holes 3 communicated with the annular channel 2 are formed in the inner wall of the cleaning cylinder 1 along the circumferential direction at intervals, the outer wall of the cleaning cylinder 1 is provided with a water inlet connector 4 communicated with the annular channel 2, the water inlet connector 4 is connected with a water inlet pipe (not shown in the figure), the bottom of the cleaning cylinder 1 is provided with a mounting seat 6, the mounting seat 6 is provided with a water outlet connector 5 communicated with the bottom of the cleaning cylinder 1, and the water outlet connector 5 is connected with a water outlet pipe (not shown in the figure). Water in the inlet tube enters into annular channel 2, and through the 3 blowout of a plurality of hole for water spraying that communicate with annular channel 2, the sampling needle inserts and washs the sampling needle outer wall in wash bowl 1 to will sample last time and remain the liquid sanitization at the sampling needle outer wall, thereby improve the accuracy of taking a sample. And the waste liquid after the water spraying and cleaning of the sampling needle by the water spraying holes 3 is discharged through the water outlet pipe.
Referring to fig. 2 and 3, further, wash bowl 1 includes upper cylinder 7 and lower cylinder 8, and upper cylinder 7 lower extreme inner wall is provided with first breach groove 9, and lower cylinder 8 upper end outer wall is provided with second breach groove 10 along the circumferencial direction, and the cooperation forms annular channel 2 between first breach groove 9 and the second breach groove 10, and upper cylinder 7 can dismantle with upper cylinder 7 and be connected to make things convenient for the processing of annular channel 2 and hole for water spraying 3, and conveniently carry out the clearance of impurity in to annular channel 2. Specifically, the lower end of the upper barrel 7 is connected with the upper end of the lower barrel 8 in a threaded manner in the embodiment, and the upper barrel 7 and the lower barrel 8 can be fixed in an inserting manner in other embodiments.
Referring to fig. 3, further, the water inlet joint 4 and the water outlet joint 5 are both connected with the cleaning barrel 1 in a threaded manner. The water inlet joint 4 and the water outlet joint 5 are in threaded connection with the cleaning barrel 1, so that the water inlet joint 4 and the water outlet joint 5 are convenient to install. The water inlet connector 4 and the water outlet connector 5 both comprise a threaded connection part 11 and a connection pipe part 12, the threaded connection part 11 is in threaded connection with the cleaning barrel 1, and a circular truncated cone step is annularly arranged on the outer wall, close to the water inlet, of the connection pipe part 12. The pipe connecting part 12 is arranged into a round table step, so that the connection stability of the water inlet pipe and the water outlet pipe with the water inlet connector 4 and the water outlet connector 5 is improved.
Referring to fig. 3, the upper end of the cleaning cylinder 1 is arranged with an arc outwards opening. The arc at the upper end of the cleaning barrel 1 is arranged to be outwards opened, so that the sampling needle can be conveniently inserted.
The implementation principle of the cleaning device for the sampling needle in the embodiment of the application is as follows: water in the inlet tube enters into the annular channel 2, and is sprayed out through the plurality of water spraying holes 3 communicated with the annular channel 2, the sampling needle is inserted into the cleaning barrel 1 to clean the outer wall of the sampling needle, so that the last sampling is carried out on the liquid remained on the sampling needle, and the sampling accuracy is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A belt cleaning device of sampling needle which characterized in that: including wash bowl (1) that the upper end opening set up, wash bowl (1) are used for supplying the sample needle to insert in wash bowl (1), wash bowl (1) are provided with annular channel (2) along the circumferencial direction, wash bowl (1) inner wall is seted up along the circumferencial direction interval with communicating a plurality of hole for water spraying (3) of annular channel (2), wash bowl (1) outer wall is provided with and communicates with each other with annular channel (2) water supply connector (4), water supply connector (4) are connected with the inlet tube.
2. A cleaning device for a sampling needle according to claim 1, wherein: the cleaning device is characterized in that a mounting seat (6) is arranged at the bottom of the cleaning barrel (1), a water outlet connector (5) communicated with the bottom of the cleaning barrel (1) is arranged on the mounting seat (6), and the water outlet connector (5) is connected with a water outlet pipe.
3. A cleaning device for a sampling needle according to claim 1, wherein: the cleaning barrel (1) comprises an upper barrel (7) and a lower barrel (8), a first notch groove (9) is formed in the inner wall of the lower end of the upper barrel (7), a second notch groove (10) is formed in the outer wall of the upper end of the lower barrel (8) in the circumferential direction, the annular channel (2) is formed between the first notch groove (9) and the second notch groove (10) in a matched mode, and the upper barrel (7) are detachably connected.
4. A cleaning device for a sampling needle according to claim 3, wherein: the lower end of the upper barrel (7) is in threaded connection with the upper end of the lower barrel (8).
5. A cleaning device for a sampling needle according to claim 1, wherein: the water inlet joint (4) and the water outlet joint (5) are both in threaded connection with the cleaning barrel (1).
6. A cleaning device for a sampling needle according to claim 2, wherein: the water inlet connector (4) and the water outlet connector (5) respectively comprise a threaded connection part (11) and a connecting pipe part (12), the threaded connection part (11) is in threaded connection with the cleaning barrel (1), and a circular truncated cone step is annularly arranged on the outer wall, close to the water inlet, of the connecting pipe part (12).
7. A cleaning device for a sampling needle according to claim 1, wherein: the upper end of the cleaning barrel (1) is provided with an outward opening in a circular arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875603.1U CN214976376U (en) | 2021-04-26 | 2021-04-26 | Cleaning device for sampling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875603.1U CN214976376U (en) | 2021-04-26 | 2021-04-26 | Cleaning device for sampling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214976376U true CN214976376U (en) | 2021-12-03 |
Family
ID=79091752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120875603.1U Active CN214976376U (en) | 2021-04-26 | 2021-04-26 | Cleaning device for sampling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214976376U (en) |
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2021
- 2021-04-26 CN CN202120875603.1U patent/CN214976376U/en active Active
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