CN220920130U - But self-cleaning's polar coordinates sample introduction needle - Google Patents
But self-cleaning's polar coordinates sample introduction needle Download PDFInfo
- Publication number
- CN220920130U CN220920130U CN202322166170.4U CN202322166170U CN220920130U CN 220920130 U CN220920130 U CN 220920130U CN 202322166170 U CN202322166170 U CN 202322166170U CN 220920130 U CN220920130 U CN 220920130U
- Authority
- CN
- China
- Prior art keywords
- sample injection
- cleaning
- swing arm
- feeding swing
- injection needle
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- 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.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000002347 injection Methods 0.000 claims abstract description 51
- 239000007924 injection Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012864 cross contamination Methods 0.000 abstract description 2
- 238000011086 high cleaning Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an automatic-cleaning polar coordinate sample injection needle, which comprises a base, a telescopic column and a feeding swing arm, wherein the telescopic column is arranged at the top of the base, the bottom of the feeding swing arm is rotationally connected with the top of the telescopic column, and the front end of the feeding swing arm is provided with an automatic-cleaning structure. According to the technical scheme, the whole device is formed by the base, the telescopic column and the feeding swing arm, when the sample injector runs, the sample injection needle is not soaked in water in the step of washing the sample injection needle, but the clean cleaning liquid is sucked by the independent peristaltic pump, when the program runs to the step of washing the sample injection needle, the sample injection needle moves to the sample injection pool, the independent peristaltic pump is automatically started to suck the cleaning liquid, the cleaning liquid washes the outer wall of the sample injection needle through the cleaning pipeline to achieve the effect of completely cleaning the sample injection needle, the condition of cross contamination caused by repeated use of the cleaning liquid is avoided, and the device has the characteristics of high practicability, high cleaning efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of sample injection needles, in particular to a polar coordinate sample injection needle capable of being automatically cleaned.
Background
The sample injection needle is a needle method of an automatic sample injector, is classified into a flat-head sample injection needle and a cone-shaped needle head, the sample injector sucks liquid from the sample injection needle through a peristaltic pump, the sample injection needle needs to be cleaned every time when the next sample is replaced, the outside of the sample injection needle is soaked and cleaned at present, but cleaning liquid is not replaced every time, the cleaning liquid is necessarily polluted after soaking, the whole cleaning process is complex, and the sampling effect is affected.
Disclosure of utility model
In order to achieve the above purpose, the utility model is realized by the following technical scheme: but self-cleaning's polar coordinates sample injection needle, including base, flexible post and feeding swing arm, flexible post install in the base top, feeding swing arm bottom with flexible post top rotates to be connected, the self-cleaning structure is installed to feeding swing arm front end, the self-cleaning structure includes:
The device comprises a sample injection pipeline, a connecting component, a sample injection needle, a peristaltic pump, a cleaning pipeline, a needle cleaning pool, a material bin and a conveying component;
The feeding swing arm is hollow, the sample injection pipeline is arranged in the feeding swing arm, one end of the sample injection pipeline extends out from one end of the feeding swing arm, the connecting component is arranged in the feeding swing arm, the connecting component is connected with the other end of the sample injection pipeline, the top of the sample injection needle is connected with the bottom of the connecting component, the peristaltic pump is arranged at the bottom of the feeding swing arm, one end of the cleaning pipeline is connected with the peristaltic pump, the other end of the cleaning pipeline is connected with the connecting component, the needle cleaning pool is arranged at the top of the base, the material bin is arranged at one side of the needle cleaning pool, and the conveying component is arranged at the front end of the feeding swing arm.
Preferably, the connection assembly comprises: a connecting seat and two cleaning ports;
The connecting seat is installed in inside the feeding swing arm, feeding swing arm bottom is provided with the opening, the connecting seat is fixed in the opening part, two wash the mouth install in connecting seat bottom both sides, connecting seat and wash the inside cavity that all establishes of mouth, the connecting seat with wash the pipeline intercommunication.
Preferably, the conveying assembly comprises: the device comprises a rolling disc, a conveying pipe, two electric sliding rails, a sliding seat and a moving pipe;
The winding disc is arranged on one side of the feeding swing arm, the winding disc is rotationally connected with the feeding swing arm, the two electric sliding rails are arranged on one side of the feeding swing arm, the sliding seat is in sliding connection with the two electric sliding rails, one end of the conveying pipe is connected with the peristaltic pump, and the other end of the conveying pipe penetrates through the sliding seat to be connected with the moving pipe.
Preferably, the other end of the sample injection pipeline penetrates through the connecting seat and is communicated with the sample injection needle.
Preferably, a socket is arranged at the top of the material bin.
Preferably, the front end of the material bin is provided with a liquid level meter.
Advantageous effects
The utility model provides an automatic-cleaning polar coordinate sample injection needle, which has the following beneficial effects: according to the technical scheme, the whole device is formed by the base, the telescopic column and the feeding swing arm, when the sample injector runs, the sample injection needle is not soaked in water in the step of washing the sample injection needle, but the clean cleaning liquid is sucked by the independent peristaltic pump, when the program runs to the step of washing the sample injection needle, the sample injection needle moves to the sample injection pool, the independent peristaltic pump is automatically started to suck the cleaning liquid, the cleaning liquid washes the outer wall of the sample injection needle through the cleaning pipeline to achieve the effect of completely cleaning the sample injection needle, the condition of cross contamination caused by repeated use of the cleaning liquid is avoided, and the device has the characteristics of high practicability, high cleaning efficiency and the like.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an automatic cleanable polar sample injection needle according to the present utility model.
Fig. 2 is a schematic diagram of a partial side view structure of an automatic cleanable polar sample injection needle according to the present utility model.
Fig. 3 is a schematic three-dimensional structure of an automatic cleanable polar sample injection needle according to the present utility model.
In the figure: 1. the device comprises a base, 2, a telescopic column, 3, a feeding swing arm, 4, a sample injection pipeline, 5, a sample injection needle, 6, a peristaltic pump, 7, a cleaning pipeline, 8, a needle cleaning pool, 9, a material bin, 10, a connecting seat, 11, a cleaning port, 12, a winding disc, 13, a conveying pipe, 14, an electric sliding rail, 15, a sliding seat, 16, a moving pipe, 17, a socket, 18 and a liquid level meter.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, it should be noted that, when the injector is used, the telescopic column 2 adopts the electric push rod, the sample can be fed through the sample feeding needle 5, then the sample is conveyed through the sample feeding pipeline 4, and after the sample feeding is finished, the telescopic column 2 operates, the feeding swing arm 3 is lifted, then the sample feeding swing arm rotates 180 ° to enable the sample feeding needle 5 to correspond to the top of the needle cleaning pool 8 in the vertical position, then the two electric slide rails 14 operate, the bottom of the moving tube 16 is driven by the sliding seat 15 to be inserted into the material bin 9, in the process, the sliding seat 15 pulls the conveying tube 13 to move, the reel 12 can unreel the conveying tube 13, then the peristaltic pump 6 operates, clean cleaning liquid can be extracted from the material bin 9 through the conveying tube 13 and the moving tube 16, and is fed into the connecting seat 10 through the cleaning pipeline 7, finally the cleaning needle 5 can be flushed through the two cleaning ports 11, the cleaned outer wall of the sample feeding needle 5 is achieved, the cleaned cleaning liquid is collected through the needle cleaning pool 8, and the cross pollution caused by repeated use of the cleaning liquid is avoided, and the high efficiency is achieved, and the practicability is achieved.
The sampling pipeline 4 other end runs through connecting seat 10 and advances needle 5 intercommunication, and the sample injector operation can advance the sample through advance pipeline 4 and advance needle 5 cooperation, and material storehouse 9 top is provided with socket 17, and the removal pipe 16 bottom is pegged graft with socket 17 to the follow-up washing liquid of being convenient for carries out the material loading operation, and material storehouse 9 front end is provided with level gauge 18, and the operating personnel of being convenient for observe the inside washing liquid level of material storehouse 9, and the operating personnel of being convenient for in time carries out the fluid infusion operation to material storehouse 9.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. But self-cleaning's polar coordinates sample injection needle, including base, flexible post and feeding swing arm, flexible post install in the base top, feeding swing arm bottom with flexible post top rotates to be connected, self-cleaning structure is installed to feeding swing arm front end, its characterized in that, self-cleaning structure contains:
The device comprises a sample injection pipeline, a connecting component, a sample injection needle, a peristaltic pump, a cleaning pipeline, a needle cleaning pool, a material bin and a conveying component;
The feeding swing arm is hollow, the sample injection pipeline is arranged in the feeding swing arm, one end of the sample injection pipeline extends out from one end of the feeding swing arm, the connecting component is arranged in the feeding swing arm, the connecting component is connected with the other end of the sample injection pipeline, the top of the sample injection needle is connected with the bottom of the connecting component, the peristaltic pump is arranged at the bottom of the feeding swing arm, one end of the cleaning pipeline is connected with the peristaltic pump, the other end of the cleaning pipeline is connected with the connecting component, the needle cleaning pool is arranged at the top of the base, the material bin is arranged at one side of the needle cleaning pool, and the conveying component is arranged at the front end of the feeding swing arm.
2. The self-cleaning polar sample injection needle of claim 1, wherein the connecting assembly comprises: a connecting seat and two cleaning ports;
The connecting seat is installed in inside the feeding swing arm, feeding swing arm bottom is provided with the opening, the connecting seat is fixed in the opening part, two wash the mouth install in connecting seat bottom both sides, connecting seat and wash the inside cavity that all establishes of mouth, the connecting seat with wash the pipeline intercommunication.
3. The self-cleaning polar sample injection needle of claim 1, wherein the delivery assembly comprises: the device comprises a rolling disc, a conveying pipe, two electric sliding rails, a sliding seat and a moving pipe;
The winding disc is arranged on one side of the feeding swing arm, the winding disc is rotationally connected with the feeding swing arm, the two electric sliding rails are arranged on one side of the feeding swing arm, the sliding seat is in sliding connection with the two electric sliding rails, one end of the conveying pipe is connected with the peristaltic pump, and the other end of the conveying pipe penetrates through the sliding seat to be connected with the moving pipe.
4. The polar sample injection needle capable of being automatically cleaned according to claim 2, wherein the other end of the sample injection pipeline penetrates through the connecting seat and is communicated with the sample injection needle.
5. The automatic cleanable polar sample injection needle of claim 1, wherein a socket is provided at the top of the magazine.
6. The polar sample injection needle capable of being automatically cleaned according to claim 1, wherein a liquid level meter is arranged at the front end of the material bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166170.4U CN220920130U (en) | 2023-08-11 | 2023-08-11 | But self-cleaning's polar coordinates sample introduction needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166170.4U CN220920130U (en) | 2023-08-11 | 2023-08-11 | But self-cleaning's polar coordinates sample introduction needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920130U true CN220920130U (en) | 2024-05-10 |
Family
ID=90936605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322166170.4U Active CN220920130U (en) | 2023-08-11 | 2023-08-11 | But self-cleaning's polar coordinates sample introduction needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920130U (en) |
-
2023
- 2023-08-11 CN CN202322166170.4U patent/CN220920130U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |