CN208321523U - A kind of sampling needle cleaning device - Google Patents
A kind of sampling needle cleaning device Download PDFInfo
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- CN208321523U CN208321523U CN201820165396.9U CN201820165396U CN208321523U CN 208321523 U CN208321523 U CN 208321523U CN 201820165396 U CN201820165396 U CN 201820165396U CN 208321523 U CN208321523 U CN 208321523U
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- cleaning device
- sampling needle
- cleaning
- feed pathway
- inlet channel
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Abstract
The utility model belongs to the field of medical instrument technology, is related to a kind of sampling needle cleaning device, including cleaning chamber；Multiple feed pathways, multiple feed pathway connections, feed pathway include for the spray hole to cleaning chamber jet cleaning liquid, and one of feed pathway is equipped with inlet；Multiple inlet channels, multiple inlet channel connections, inlet channel include for the fumarole to cleaning chamber injection gas, and one of inlet channel is equipped with air inlet.Multiple feed pathways are circumferentially arranged in cleaning chamber in the utility model, realize effective cleaning to sampling needle.Circumferentially setting feed pathway and inlet channel are cleaned and are dried up to the intracavitary sampling needle of cleaning is placed in cleaning chamber, improve the cleaning efficiency of sampling needle.The utility model only passes through setting feed pathway simultaneously and cleaning to sampling needle can be realized in inlet channel, simplifies the structure of sampling needle cleaning device, and easy to manufacture, reduces production cost, while improving the efficiency of I& M.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of sampling needle cleaning devices.
Background technique
Sampling needle is the important component of sample analysis apparatus, in order to guarantee precision of analysis, reduces sample
Between carrying pollution, it is desirable that sampling needle sampling, sample-adding after start the cleaning processing in time, sample needle after the completion of cleaning
It can be carried out next sub-sampling, sample-adding movement.
Currently, circulation channel is generally set to the circumferential direction of jet port and is connected to jet port by sampling needle cleaning device, so that
Sampling needle cleaning device processing difficulties, and high production cost, while making the components of sampling needle cleaning device more, structure is multiple
It is miscellaneous.
Utility model content
The purpose of this utility model is that proposing a kind of sampling needle cleaning device, it is clear to be able to solve sampling needle in the prior art
The technical issues of components of cleaning device are more, and structure is complicated.
For this purpose, the utility model uses following technical scheme:
A kind of sampling needle cleaning device, comprising: cleaning chamber；
Feed pathway, the quantity of the feed pathway are multiple and multiple feed pathway connections, the feed pathway
Including for the spray hole to the cleaning chamber jet cleaning liquid, one of them described feed pathway is equipped with inlet；
Inlet channel, the quantity of the inlet channel are multiple and multiple inlet channel connections, the inlet channel
Including for the fumarole to the cleaning chamber injection gas, one of them described inlet channel is equipped with air inlet.
Preferably, the sampling needle cleaning device includes upper end cover and bottom base, and the upper end cover offers company
Lead to the upper circulation channel of the feed pathway, the lower cover offers the lower circulation channel for being connected to the inlet channel.
Preferably, the sampling needle cleaning device includes being connected between the upper end cover and the bottom base
Cleaning device ontology, the feed pathway and the inlet channel are all set on the cleaning device ontology.
Preferably, the cleaning chamber is set to the center of the cleaning device ontology and through the cleaning device
Ontology.
Preferably, the feed pathway and the inlet channel are all along the central axis of the cleaning device ontology
To being distributed on the cleaning device ontology, and the feed pathway and inlet channel interval setting.
Preferably, the spray hole and the fumarole are no less than two.
Preferably, the fumarole is located at sustained height and/or the spray hole is located at sustained height.
Preferably, the spray hole and/or the fumarole are arranged diagonally downward.
Preferably, the fumarole is located at the top of the spray hole.
Preferably, the sampling needle cleaning device further includes negative pressure system, and the negative pressure system is connected to described
Clean the lower end of chamber.
Preferably, the cleaning chamber is cylindrical structure.
The utility model has the beneficial effects that
The utility model cleaning chamber circumferentially setting feed pathway and inlet channel to be placed in clean intracavitary sampling needle into
Row cleaning and drying, improve the cleaning efficiency of sampling needle.The utility model only passes through setting feed pathway simultaneously and air inlet is logical
The cleaning to sampling needle can be realized in road, simplifies the structure of sampling needle cleaning device, and easy to manufacture, reduces production
Cost.
Detailed description of the invention
Fig. 1 is the top view of sampling needle cleaning device provided by the utility model；
Fig. 2 is cross-sectional view of the Fig. 1 at A-A；
Fig. 3 is cross-sectional view of the Fig. 1 at B-B；
Fig. 4 is the side view of sampling needle cleaning device provided by the utility model；
Fig. 5 is the structural schematic diagram of cleaning device ontology provided by the utility model；
Fig. 6 is the structural schematic diagram at another visual angle of cleaning device ontology provided by the utility model；
Fig. 7 is the structural schematic diagram of upper end cover provided by the utility model；
Fig. 8 is the structural schematic diagram of bottom base provided by the utility model.
In figure:
10, chamber is cleaned；101, boss；102, outlet end；
11, upper circulation channel；12, feed pathway；121, spray hole；122, inlet；
13, lower circulation channel；14, inlet channel；141, fumarole；142, air inlet；
1, upper end cover；111, first annular baffle；112, the second ring baffle；
2, bottom base；21, the first hole；22, the second hole；23, third hole；
3, cleaning device ontology.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
A kind of sampling needle cleaning device is present embodiments provided, as Figure 1-Figure 4, which includes clear
Wash chamber 10；Feed pathway 12, the quantity of the feed pathway 12 are that multiple and multiple feed pathways 12 are connected to, the feed liquor
Channel 12 includes for the spray hole 121 to the cleaning 10 jet cleaning liquid of chamber, one of them described feed pathway 12 is equipped with
Inlet 122；Inlet channel 14, the quantity of the inlet channel 14 is that multiple and multiple inlet channels 14 are connected to, described
Inlet channel 14 includes the fumarole 141 for spraying gas to the cleaning chamber 10, one of them described inlet channel 14 is set
There is air inlet 142.It should be noted that inlet 122 is used to convey cleaning solution to the feed pathway 12, air inlet 142 is used
In to the inlet channel 14 convey gas.
Multiple feed pathways 12 and multiple inlet channels 14 the jet cleaning liquid into cleaning chamber 10 respectively is arranged in the present embodiment
And gas improves the cleaning efficiency of sampling needle so that the sampling needle being placed in cleaning chamber 10 is cleaned and be dried up.This implementation
Inlet channel 14 and feed pathway 12 are independently arranged by example, so that the gas in inlet channel 14 and the washing lotion in feed pathway 12
It is non-interference, so that the cleaning efficiency of sampling needle cleaning device is improved, meanwhile, it is also convenient for inlet channel 14 and feed pathway
12 are safeguarded, the efficiency of I& M is improved.In addition, the present embodiment only passes through setting feed pathway 12 and inlet channel
14 can be realized the cleaning to sampling needle, simplify the structure of sampling needle cleaning device, and easy to manufacture, reduce production
Cost, while improving the efficiency of I& M.
Above-mentioned sampling needle cleaning device includes upper end cover 1, bottom base 2 and is connected to the upper end cover 1 and the bottom base 2
Between cleaning device ontology 3, cleaning chamber 10, feed pathway 12 and inlet channel 14 are all set in the cleaning device ontology 3
On, the cleaning chamber 10 is set to the center of the cleaning device ontology 3 and through the cleaning device ontology 3.Wherein, described
Upper end cover 1 offers the upper circulation channel 11 for being connected to the feed pathway 12, and it is logical that the bottom base 2 offers the connection air inlet
Upper circulation channel 11 and lower circulation channel 13 are respectively arranged on upper end cover 1 and bottom base 2 by the lower circulation channel 13 in road 14,
The structure of sampling needle cleaning device, manufacture easy to produce are simplified, and reduces the quantity of component, convenient for assembly and maintenance.
As shown in Figure 5 and Figure 6, the cleaning device ontology 3, which runs through, is equipped with centre bore, and the centre bore is the cleaning chamber
10；The blind hole that 3 upper end of cleaning device ontology opens up forms the feed pathway 12, and 3 lower end of cleaning device ontology is opened
If blind hole form the inlet channel 14.Wherein, feed pathway 12 opening up and circulation channel 11, air inlet are connected to
Channel 14 opening down is simultaneously connected to lower circulation channel 13.
The feed pathway 12 and the inlet channel 14 are circumferentially distributed in along the central axis of the cleaning device ontology 3
On the cleaning device ontology 3, and the feed pathway 12 and the setting of the interval of the inlet channel 14.The present embodiment is in cleaning chamber
10 it is circumferential multiple feed pathways 12 are set, when so that sampling needle being protruded into cleaning chamber 10 being cleaned, spray hole 121 can be passed through
Liquid in feed pathway 12 is circumferentially equably sprayed in cleaning in chamber 10, to realize effective cleaning to sampling needle.It is logical
It crosses the upper circulation channel 11 of setting to be connected to multiple feed pathways 12, ensure that the supply of the washing lotion in multiple feed pathways 12, together
When, the present embodiment passes through the upper end that upper circulation channel 11 is set to cleaning chamber 10, feed pathway 12 is discharged convenient for gas, so that
Cleaning liquid can be full of each feed pathway 12, avoid contact of the liquid with gas, and generate washing lotion crystallization, and then cause
Spray hole 121 is easy blocking.In addition, the sampling needle cleaning device of the present embodiment by setting cleaning chamber 10, feed pathway 12 and
The cleaning to sampling needle can be realized in upper circulation channel 11, simplifies structure, and easy to manufacture, reduces production cost.
The present embodiment is connected to multiple inlet channels 14, and be equably cleaning chamber 10 by the way that lower circulation channel 13 is arranged
It is supplied, is blown to the sampling needle after cleaning, avoid the outer wall hanging liquid of sampling needle.
Above-mentioned spray hole 121 and fumarole 141 are no less than two, and uniformly distributed along the central axis annular of cleaning chamber 10,
Cleaning solution is set uniformly to be ejected into the peripheral outer wall of sampling needle, so as to complete the cleaning of sampling needle outer wall faster.
Theoretically, the number of spray hole 121 is more, and cleaning efficiency is higher, in actual application, needs according to the big of cleaning chamber 10
Small and hydrojet parameter etc. is designed.Preferably, spray hole 121 is three, i.e., the angle between two neighboring spray hole 121
It is 120 °, it is of course also possible to select spray hole 121 for four, five, six etc., it is not limited to above-mentioned numerical value.
Fumarole 141 is uniformly distributed along cleaning 10 circumferential direction of chamber, improves cleaning efficiency.Gas can be uniformly ejected into this way
In the peripheral outer wall of sampling needle, so as to reduce the extension liquid of sampling needle outer wall quickly.Theoretically, the number of fumarole 141
More, efficiency is higher, in actual application, needs to be designed according to the size of cleaning chamber 10 and jet parameter etc..
Preferably, fumarole 141 is three, i.e., the angle between two neighboring fumarole 141 is 120 °, it is of course also possible to select to spray
Stomata 141 is four, five, six etc., it is not limited to above-mentioned numerical value.
Wherein, the fumarole 141 is located at sustained height and/or the spray hole 121 is located at sustained height, in addition, spray
Stomata 141 is located at different height and spray hole 121 and is located at different height, and no matter whether fumarole 141 is located at same height
Whether degree and spray hole 121 are located at sustained height, will guarantee that fumarole 141 is located at 121 top of spray hole, clear to guarantee
The succession that chamber 10 cleans sampling needle and dries up is washed, cleaning process is further avoided and drying process is mutually concerned with
It disturbs.
The center of above-mentioned feed pathway 12 and the center of the inlet channel 14 are located on same circumference, ensure that cleaning chamber
10 equably jet cleaning liquid and equably can be passed through gas, and spray liquid and do not interfere with each other with gas.In addition, above-mentioned spray hole
121 and/or the fumarole 141 be arranged diagonally downward, the convenient needle of washing in cleaning chamber 10 cleans, preferably, on
It states spray hole 121 and the fumarole 141 is arranged diagonally downward, to guarantee the cleaning efficiency of sampling needle.
The end face that the both ends of above-mentioned cleaning chamber 10 protrude from the both ends of the cleaning device ontology 3 is respectively formed boss
101 and outlet end 102, the upper end cover 1 be connected in the boss 101.Wherein, the sampling needle cleaning device further includes negative pressure
System (not shown), the outlet end 102 are connected to negative pressure system, and the washing lotion cleaned in chamber 10 is timely by negative pressure system
Discharge.
As shown in fig. 7, upper end cover 1 is arranged at intervals with first annular baffle 111 close to one end of the cleaning device ontology 3
With the second ring baffle 112, the gap between the first annular baffle 111 and second ring baffle 112 forms described
Upper circulation channel 11, and upper end cover 1 runs through the centre bore for being equipped with connection cleaning chamber 10, for sampling needle insertion cleaning chamber 10.Its
In, first annular baffle 111 is set to the outside of the second ring baffle 112, and the second ring baffle 112 is sheathed on boss 101,
First annular baffle 111 and the second ring baffle 112 press on the end face of the upper end of cleaning device ontology 3.
As shown in figure 8, the bottom base 2 is equipped with the first hole 21, the second hole 22 and that diameter successively becomes smaller from top to bottom
Three holes 23, the cleaning device ontology 3 are arranged in first hole 21 and described close to the end face of one end of the bottom base 2
Cascaded surface between two holes 22, the cleaning chamber 10 sequentially pass through second hole 22 and institute close to one end of the bottom base 2
State third hole 23.Wherein, outlet end 102 sequentially passes through the second hole 22 and third hole 23, second hole 22, the cleaning device
Ontology 3 is the lower circulation channel close to the space that the end face of one end of the bottom base 2 and the outer wall of outlet end 102 surround
13。
Above-mentioned cleaning device ontology 3 is cylindrical structure, and cleaning chamber 10, feed pathway 12, inlet channel 14 are circle
Rod structure, it should be noted that the present embodiment is not construed as limiting the structure of cleaning device ontology 3, can be with rectangular, oval knot
Structure etc..
In sampling needle cleaning device provided in this embodiment, two threaded hole (not labeled) are set on bottom base 2, are convenient for
Cooperate with Other Instruments component, integral demounting maintenance.
Sampling needle cleaning device washes the process of needle are as follows:
By in sampling needle insertion cleaning chamber 10 to be cleaned, the needle point of sampling needle is rested near spray hole 121, is passed through
Spray hole 121 is to sampling needle needle point outer wall washing；It pushes sampling needle to move straight down, keeps the outer wall cleaned needed for sampling needle equal
By spray hole 121, the outer wall of sampling needle is cleaned by the cleaning solution that spray hole 121 sprays, while further by sampling needle
The remaining sample of needle point outer wall institute cleans up；After sampling needle stretches to lowest order vertically, fumarole 141 carries out jet, adopts
Sample needle moves straight up, and spray hole 121 may continue to clean sampling needle outer wall, while fumarole 141 is to specimen needle
Outer wall is blown.It should be noted that negative pressure system is remained to cleaning chamber during the entire process of cleaning to sampling needle
Waste liquid in 10 is aspirated, and waste liquid is discharged in time from outlet end 102.
Note that have been shown and described above the utility model basic principles and main features and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above embodiment and say
Only illustrate the principles of the present invention described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention,
The claimed range of the utility model is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of sampling needle cleaning device characterized by comprising
It cleans chamber (10)；
Feed pathway (12), the quantity of the feed pathway (12) is the multiple and multiple feed pathway (12) connections, described
Feed pathway (12) includes for the spray hole (121) to described cleaning chamber (10) jet cleaning liquid, one of them described feed liquor
Channel (12) is equipped with inlet (122)；
Inlet channel (14), the quantity of the inlet channel (14) is the multiple and multiple inlet channel (14) connections, described
Inlet channel (14) includes for the fumarole (141) to cleaning chamber (10) the injection gas, one of them described air inlet is logical
Road (14) is equipped with air inlet (142).
2. sampling needle cleaning device according to claim 1, which is characterized in that the sampling needle cleaning device includes upper end
(1) and bottom base (2) are covered, the upper end cover (1) offers the upper circulation channel (11) for being connected to the feed pathway (12), described
Bottom base (2) offers the lower circulation channel (13) for being connected to the inlet channel (14).
3. sampling needle cleaning device according to claim 2, which is characterized in that the sampling needle cleaning device includes connection
Cleaning device ontology (3) between the upper end cover (1) and the bottom base (2), the feed pathway (12) and it is described into
Gas channel (14) is all set on the cleaning device ontology (3).
4. sampling needle cleaning device according to claim 3, which is characterized in that the cleaning chamber (10) is set to described clear
The cleaning device ontology (3) is simultaneously run through in the center of cleaning device ontology (3).
5. sampling needle cleaning device according to claim 3, which is characterized in that the feed pathway (12) and the air inlet
Channel (14) is circumferentially distributed on the cleaning device ontology (3) along the central axis of the cleaning device ontology (3), and described
Feed pathway (12) and the setting of the inlet channel (14) interval.
6. sampling needle cleaning device according to claim 1, which is characterized in that the spray hole (121) and the jet
Hole (141) is no less than two.
7. sampling needle cleaning device according to claim 1, which is characterized in that the fumarole (141) is located at same height
Degree and/or the spray hole (121) are located at sustained height.
8. sampling needle cleaning device according to claim 1, which is characterized in that the spray hole (121) and/or the spray
Stomata (141) is arranged diagonally downward.
9. sampling needle cleaning device according to claim 1, which is characterized in that the fumarole (141) is located at the spray
The top of fluid apertures (121).
10. sampling needle cleaning device according to claim 1, which is characterized in that the sampling needle cleaning device further includes
Negative pressure system, the negative pressure system are connected to the lower end of cleaning chamber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165396.9U CN208321523U (en) | 2018-01-31 | 2018-01-31 | A kind of sampling needle cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165396.9U CN208321523U (en) | 2018-01-31 | 2018-01-31 | A kind of sampling needle cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN208321523U true CN208321523U (en) | 2019-01-04 |
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ID=64782170
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820165396.9U Active CN208321523U (en) | 2018-01-31 | 2018-01-31 | A kind of sampling needle cleaning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187138A (en) * | 2019-07-02 | 2019-08-30 | 安图实验仪器(郑州)有限公司 | Sample needle cleaning solution drainage system for in-vitro diagnosis equipment |
| CN111604328A (en) * | 2020-04-13 | 2020-09-01 | 苏州长光华医生物医学工程有限公司 | Negative pressure cleaning device for preventing sampling needle from hanging liquid |
| CN112547699A (en) * | 2020-11-13 | 2021-03-26 | 苏州长光华医生物医学工程有限公司 | Avoid cleaning structure of sample needle hanging liquid |
-
2018
- 2018-01-31 CN CN201820165396.9U patent/CN208321523U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187138A (en) * | 2019-07-02 | 2019-08-30 | 安图实验仪器(郑州)有限公司 | Sample needle cleaning solution drainage system for in-vitro diagnosis equipment |
| CN111604328A (en) * | 2020-04-13 | 2020-09-01 | 苏州长光华医生物医学工程有限公司 | Negative pressure cleaning device for preventing sampling needle from hanging liquid |
| CN112547699A (en) * | 2020-11-13 | 2021-03-26 | 苏州长光华医生物医学工程有限公司 | Avoid cleaning structure of sample needle hanging liquid |
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