CN108246695A - Sampling needle cleaning device - Google Patents
Sampling needle cleaning device Download PDFInfo
- Publication number
- CN108246695A CN108246695A CN201810040274.1A CN201810040274A CN108246695A CN 108246695 A CN108246695 A CN 108246695A CN 201810040274 A CN201810040274 A CN 201810040274A CN 108246695 A CN108246695 A CN 108246695A
- Authority
- CN
- China
- Prior art keywords
- flow
- sampling needle
- connector
- cleaning device
- service sink
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 78
- 238000004140 cleaning Methods 0.000 title claims abstract description 63
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of sampling needle cleaning device, including service sink, it is arranged on the Chi Gai and connector of service sink one end；Pond covers equipped with straight slot and connects the spray apertures of straight slot；First flow is equipped in service sink, which connects with straight slot；First flow is set in colonnette shape；The one end of service sink far from Chi Gai is equipped with holding tank, and connector is removably mounted in holding tank, and second flow channel, second flow channel connection corresponding with first flow are equipped in connector.The sampling needle cleaning device of the present invention is by the way that connector and service sink are detachably connected, first flow and second flow channel separate machined, handling ease, so as to solve the problems, such as the cleaning runner of conventional clean device due to reducing and elongated lead to processing difficulties；First flow and second flow channel are improved respectively with the main part of sampling needle and needle tip matching degree, and sampling needle gets effective washing.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of sampling needle cleaning device.
Background technology
In automatic lmunoassays analyzer, in order to improve precision of analysis and precision, every time after sampling, all need
It will be to thoroughly being cleaned using the inside and outside wall of needle, to reduce shadow of the carrying pollution to test result of sampling needle to greatest extent
It rings.In addition, when having absorption reagent in the reagent container for puncturing film from reagent container mouth using needle, it may be contaminated using needle
Length increases, sampling needle when needing to clean sampling positioned at the tip portion of subsurface pollution most serious other than, it is also necessary to it is clear
It washes more than needle point in the part for puncturing film contact, it is longer to clean length.
A kind of traditional cleaning device uses the cleaning runner after reducing to carry out fountain cleaning to sampling needle, but due to clear
It is elongated and there are reducing to wash runner, causes to clean runner processing difficult；In addition, runner is low with sampling needle matching degree, it is difficult to protect
Card sampling needle gets effective washing.
Invention content
Based on this, it is necessary to it is difficult for the cleaning runner processing of prior art cleaning device, and runner and sampling needle
It is low with degree, it is difficult to ensure that the problem of sampling needle gets effective washing, provides a kind of sampling needle cleaning device.
A kind of sampling needle cleaning device including service sink, is arranged on the Chi Gai and connector of described service sink one end；Institute
It states pond and covers the spray apertures equipped with straight slot and the connection straight slot；Be equipped with first flow in the service sink, the first flow with
The straight slot connection；The first flow is set in colonnette shape；The one end of the service sink far from the Chi Gai, which is equipped with, to hold
Receive slot, the connector is removably mounted in the holding tank, and second flow channel, the second flow channel and institute are equipped in the connector
It states first flow and corresponds to connection.
Above-mentioned sampling needle cleaning device is removable by the connector and the service sink equipped with first flow that will be equipped with second flow channel
Connection is unloaded, the connector of correspondingly-sized size shape second flow channel can be replaced according to the size shape of sampling needle, is not needed to more
Entire cleaning device is changed, be conducive to improve the applicability of the sampling needle cleaning device and reduces production cost；First flow and
Two runner separate machineds, handling ease, so as to efficiently solve the cleaning runner of conventional clean device due to reducing and elongated lead
The problem of causing processing difficulties；First flow and second flow channel separate machined, be conducive to improve first flow and second flow channel plus
Work precision improves first flow and second flow channel respectively with the main part of sampling needle and needle tip matching degree, sampling needle obtains
Effective cleaning, and then improve the precision of sampling needle sampler test result.
In one of the embodiments, the service sink correspond to holding tank inner wall be equipped with internal thread part, the connector
Periphery wall has external thread part, and the connector is screwed togather by the matching of the external thread part and the internal thread part mounted on described
In holding tank.
The one end for stating service sink in one of the embodiments, is equipped with mounting hole, the mounting hole and the first flow
Connection, one end that the service sink corresponds to mounting hole are equipped with inlet, and the Chi Gai is removably mounted in the mounting hole, institute
The other end for stating spray apertures is connected with the inlet.
The Chi Gai corresponds to the both ends of annular groove and is also arranged with sealing ring, the sealing in one of the embodiments,
The inner wall of circle and the mounting hole is in close contact.
One end that the spray apertures are connected with the inlet in one of the embodiments, is higher than the spray apertures and institute
State one end of straight slot connection.
The pond is covered equipped with annular groove in one of the embodiments, the annular groove respectively with the inlet and
The spray apertures connection, the quantity of the spray apertures is multiple, and multiple spray apertures are provided at circumferentially spaced around Chi Gai.
The second flow channel is in back taper in one of the embodiments, and the second flow channel and the first flow
The cross-sectional area of corresponding one end is equal to the cross-sectional area of the first flow, and the second flow channel is far from described first flow one end
Cross-sectional area be less than the first flow cross-sectional area.
The second flow channel is set for post shapes in one of the embodiments, and the cross-sectional area of the second flow channel
Less than the cross-sectional area of the first flow.
Connector one end corresponding with the first flow is equipped with sealing ring in one of the embodiments, described
The bottom wall of sealing ring and the holding tank is in close contact.
The connector is additionally provided with the fluid drain connected with the second flow channel, the connector in one of the embodiments,
One end of corresponding fluid drain is barb.
Description of the drawings
Fig. 1 is the assembling figure of the sampling needle cleaning device of first embodiment of the invention；
Fig. 2 is the exploded view of the sampling needle cleaning device of Fig. 1；
Fig. 3 is the assembling figure of the sampling needle cleaning device of second embodiment of the invention.
The meaning of each label is in attached drawing：
Sampling needle 100, main part 101, needle tip 102；
Service sink 10, first flow 11, mounting hole 12, inlet 13, holding tank 14, internal thread part 15；
Pond lid 20, straight slot 21, spray apertures 22, annular groove 23, sealing ring 24；
Connector 30, second flow channel 31, external thread part 32, sealing ring 33, clamping portion 34, fluid drain 35, barb 36；
Service sink 10a, first flow 11a, pond lid 20a, connector 30a, second flow channel 31a.
Specific embodiment
For the ease of understanding the present invention, the present invention will be described more fully below.But the present invention can be with perhaps
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make
To the understanding more thorough and comprehensive of the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
It please refers to Fig.1 and Fig. 2, is the sampling needle cleaning device of first embodiment of the invention, for cleaning sampling needle
100, sampling needle 100 includes main part 101 and needle tip 102, and sampling needle 100 is usually there are reducing district, i.e., needle tip 102 is general
It is diameter from shrinking taper or the diameter cylindricality small compared with main part 102 far from 102 direction of main part is gradually smaller；The sampling
Needle cleaning device includes service sink 10, is arranged on the pond lid 20 of 10 one end of service sink and connector 30.
First flow 11 is equipped in service sink 10, first flow 11 is used to house the part that the needs of main part 101 clean；
In the present embodiment, first flow 11 is set for colonnette shape, i.e., the main part 101 of first flow 11 and sampling needle 100 is outer
Shape size matches, advantageously reduce the extensions liquid on sampling needle 100 and make sampling needle 100 main part 101 clean it is more thorough, from
And improve the precision that sampling needle uses result.One end of service sink 10 is equipped with mounting hole 12, mounting hole 12 and first flow 11
Connection, mounting hole 12 are used to house pond lid 20.Service sink 10 correspond to mounting hole 12 one end be equipped with inlet 13, inlet 13 with
Mounting hole 12 connects, and cleaning solution is entered through inlet 13 in first flow 11.The one end of service sink 10 far from pond lid 20 is equipped with
Holding tank 14, i.e. holding tank 14 are located at the one end of service sink 10 far from mounting hole 12, and holding tank 14 is used to house connector 30；It is and clear
The inner wall that wash pool 10 corresponds to holding tank 14 has internal thread part 15.
In the present embodiment, pond lid 20 is removably mounted in mounting hole 12, easy to process；In another embodiment,
Pond lid 20 can also be integrally formed with service sink 10 and set.Pond lid 20 is equipped with straight slot 21, and straight slot 21 is corresponding with first flow 11 to be connected
Logical, straight slot 21 is worn for sampling needle 100.Pond lid 20 be equipped with spray apertures 22, spray apertures 22 respectively with inlet 13 and straight slot 21
Connection, i.e., cleaning solution is flowed into through spray apertures 22 and straight slot 21 in first flow 11 from inlet 22；Spray apertures 22 and inlet
One end of 13 connections is higher than one end that spray apertures 22 are connected with straight slot 21, i.e. spray apertures 22 are to be obliquely installed with respect to straight slot 21, from
And cleaning solution from spray apertures 22 enter in straight slot 21 when, other than the cleaning pressure of flow path, the gravity of itself can also be utilized
Impact force is generated, the outer wall of sampling needle 100 is rinsed, is conducive to improve the cleannes of sampling needle 100, it additionally can root
According to the gradient of the backwash rate setting spray apertures 22 of sampling.In the present embodiment, pond lid 20 is equipped with annular groove 23, annular groove
23 connect respectively with inlet 13 and spray apertures 22, and the quantity of spray apertures 22 is multiple, and multiple spray apertures 22 are around pond lid 20
It is provided at circumferentially spaced, cleaning solution is entered from inlet 13 in annular groove 23, is then flowed into straight slot 21 from each spray apertures 22
It is interior, i.e., 100 outer wall of sampling needle is cleaned using multiple spray apertures 22 so that 100 outer wall of sampling needle rinses more uniform.
In other embodiments, multiple inlets 13 can be set on service sink 10, can be set on pond lid 20 it is multiple respectively with feed liquor
Mouth 13 corresponds to the spray apertures 22 of connection so that 100 outer wall of sampling needle rinses more uniform.
In the present embodiment, the both ends of pond lid 20 are also arranged with sealing ring 24, and sealing ring 24 plays sealing function, works as pond
When lid 20 is accommodated in mounting hole 12, the inner wall of sealing ring 24 and mounting hole 12 is in close contact, and liquid is from Chi Gai when preventing cleaning
It is overflowed between 20 and 12 inner wall of mounting hole.
Connector 30 is removably mounted in holding tank 14.Second flow channel 31, second flow channel 31 and first are equipped in connector 30
Runner 11 corresponds to connection, and second flow channel is mainly used for accommodating needle tip 102, and second flow channel 31 is in back taper, second flow channel 31 with
The appearance and size matching of the needle tip of sampling needle 100, specifically, the cross section of second flow channel 31 and 11 corresponding one end of first flow
Product is equal to the cross-sectional area of first flow 11, and cross-sectional area of the second flow channel 31 far from 11 one end of first flow is less than first flow
11 cross-sectional area；The transition region of main part 101 and needle tip 10 easily assembles the extension liquid of cleaning solution and cleaning is not thorough, by
Two runners 31 set it is in an inverted cone, advantageously reduce hang liquid generation and cleaning it is cleaner, improve sampling needle sampler test result
Precision.
The periphery wall of connector 30 has external thread part 32, and connector 30 passes through external thread part 32 and the matching spiral shell of internal thread part 15
It closes and is mounted in holding tank 14, connector 30 can carry out free disassembly and installation as a result, so as to the size according to sampling needle 100
Size shape replaces the connector 30 of correspondingly-sized size shape second flow channel 31, does not need to replace entire cleaning device, be conducive to
It improves the applicability of the sampling needle cleaning device and reduces production cost.Because first flow 11 and second flow channel 31 separately add
Work, handling ease, so as to efficiently solve the cleaning runner of conventional clean device due to reducing and the elongated processing difficulties that cause
Problem reduces production cost；When sampling needle 100 cleans, the outer wall of cleaning part of sampling needle 100 and the flow path wall of cleaning device
Between fit clearance it is smaller, i.e., both sampling needle 100 and the runner of cleaning device are matched better, the outer wall of sampling needle 100
Cleaning is more thorough, and outer wall hanging liquid when sampling needle 100 leaves cleaning device after cleaning is fewer, thus first flow 11 and the
Two runners, 31 separate machined is conducive to improve the machining accuracy of first flow 11 and second flow channel 31, that is, improves first flow 11
102 matching degree of main part 101 and needle tip of sampling needle 100 is distinguished with second flow channel 31, and then improves the cleaning of sampling needle 100
Degree.
In the present embodiment, connector 30 is equipped with sealing ring 33 with 11 corresponding one end of first flow, and sealing ring 24 plays
Sealing function, when connector 30 is accommodated in holding tank 14, sealing ring 33 and the bottom wall of holding tank 14 are in close contact, and prevent from cleaning
When liquid overflowed between 14 inner wall of connector 30 and holding tank.Connector 30 is clamping portion 34 close to the position of external thread part 32, when
Connector 30 is screwed togather by the matching of external thread part 32 and internal thread part 15 when being fixed in holding tank 14, and clamping portion 34 is fastened on clearly
Outside the end of wash pool 10, the stability that connector 30 is connect with service sink 10 is improved, while be easily installed and dismantle the connector 30.It connects
First 30 are additionally provided with the fluid drain 33 connected with second flow channel 31, and the waste liquid cleaned after sampling needle 100 is flowed out from fluid drain 35；Connector
30 one end for corresponding to fluid drain 35 are barb 36, and barb 36 is used to connect extraneous sewer pipe, is connected on sewer pipe useless
Liquid pump, the other end of waste drains pump are connect with extraneous waste collecting device, and the waste liquid after over cleaning is from fluid drain 34 through waste liquid
Pipe is flow in extraneous waste collecting device.
It please refers to Fig.3, is the sampling needle cleaning device of second embodiment of the invention, which includes clear
Wash pool 10a, the pond lid 20a on service sink 10a and the connector 30a on service sink 10a, in service sink 10a
Equipped with first flow 11a, second flow channel 31a is equipped in connector 30a.Service sink 10a, first flow 11a, pond lid 20a and connector
The structure of 30a in first embodiment service sink 10, first flow 11, the structure of pond lid 20 and connector 30 it is identical；It is different
Point is that second flow channel 31a is set for post shapes, so as to which second flow channel 31a can match needle tip 102 as cylindrical body setting
Sampling needle, and the cross-sectional area of second flow channel 31a is less than the cross-sectional area of first flow 11a.
When sampling needle cleaning device cleans sampling needle, by the second flow channel of 102 form fit of needle tip with sampling needle 100
31 connector 30 is mounted in the holding tank 14 of service sink 10, and the straight slot 21 that sampling needle 100 is covered from pond is inserted into, and needs what is cleaned
Main part 101 is accommodated in first flow 11, and needle tip 102 is accommodated in second flow channel 31, and cleaning solution is from inlet 13 through spray
Leaching hole 22 sprays to the main part 101 being accommodated in first flow 11, and then flow direction is accommodated in the needle tip in second flow channel 31
102。
Connector of the sampling needle cleaning device of the present invention by the way that second flow channel will be equipped with and the service sink equipped with first flow
It is detachably connected, the connector of correspondingly-sized size shape second flow channel 31 can be replaced according to the size shape of sampling needle 100
30, it does not need to replace entire cleaning device, is conducive to improve the applicability of the sampling needle cleaning device and reduces production cost；The
31 separate machined of one runner 11 and second flow channel, handling ease, so as to efficiently solve the cleaning runner of conventional clean device by
In reducing and elongated the problem of leading to processing difficulties；31 separate machined of first flow 11 and second flow channel, is conducive to raising first
The machining accuracy of runner 11 and second flow channel 31 improves first flow 11 and second flow channel 31 master with sampling needle 100 respectively
102 matching degree of body portion 101 and needle tip, sampling needle 100 get effective washing, and then improve 100 test result of sampling needle
Precision；Pond lid 20 is accommodated in mounting hole 12, so as to replace the pond of different sizes, quantity and gradient spray apertures 22
Lid further improves the applicability of the cleaning device.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of sampling needle cleaning device, which is characterized in that including service sink, the Chi Gai that is arranged on described service sink one end, with
And connector；The pond covers the spray apertures equipped with straight slot and the connection straight slot；First flow is equipped in the service sink, this
One runner is connected with the straight slot；The first flow is set in colonnette shape；The service sink far from the Chi Gai one
End is equipped with holding tank, and the connector is removably mounted in the holding tank, is equipped with second flow channel in the connector, and described second
Runner connection corresponding with the first flow.
2. sampling needle cleaning device according to claim 1, it is characterised in that：The service sink corresponds to the inner wall of holding tank
Equipped with internal thread part, the periphery wall of the connector has external thread part, and the connector passes through the external thread part and the interior spiral shell
The matching in line portion is screwed togather in the holding tank.
3. sampling needle cleaning device according to claim 1, it is characterised in that：One end of the service sink is equipped with installation
Hole, the mounting hole are connected with the first flow, and one end that the service sink corresponds to mounting hole is equipped with inlet, the Chi Gai
It is removably mounted in the mounting hole, the other end of the spray apertures is connected with the inlet.
4. sampling needle cleaning device according to claim 3, it is characterised in that：The Chi Gai corresponds to the both ends of annular groove also
Sealing ring is arranged with, the inner wall of the sealing ring and the mounting hole is in close contact.
5. sampling needle cleaning device according to claim 3, it is characterised in that：The spray apertures are connected with the inlet
One end be higher than one end for being connected with the straight slot of the spray apertures.
6. sampling needle cleaning device according to claim 5, it is characterised in that：The pond is covered equipped with annular groove, described
Annular groove connects respectively with the inlet and the spray apertures, and the quantity of the spray apertures is multiple, and multiple spray apertures are surround
Chi Gai is provided at circumferentially spaced.
7. sampling needle cleaning device according to claim 1, it is characterised in that：The second flow channel is in back taper, and institute
State second flow channel one end corresponding with the first flow cross-sectional area be equal to the first flow cross-sectional area, described second
Cross-sectional area of the runner far from described first flow one end is less than the cross-sectional area of the first flow.
8. sampling needle cleaning device according to claim 1, it is characterised in that：The second flow channel is set for post shapes,
And the cross-sectional area of the second flow channel is less than the cross-sectional area of the first flow.
9. sampling needle cleaning device according to claim 1, it is characterised in that：The connector is corresponding with the first flow
One end sealing ring is installed, the bottom wall of the sealing ring and the holding tank is in close contact.
10. sampling needle cleaning device according to claim 1, it is characterised in that：The connector is additionally provided with and described second
The fluid drain of runner connection, one end that the connector corresponds to fluid drain are barb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040274.1A CN108246695B (en) | 2018-01-16 | 2018-01-16 | Sampling needle cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040274.1A CN108246695B (en) | 2018-01-16 | 2018-01-16 | Sampling needle cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108246695A true CN108246695A (en) | 2018-07-06 |
| CN108246695B CN108246695B (en) | 2024-04-30 |
Family
ID=62726648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810040274.1A Active CN108246695B (en) | 2018-01-16 | 2018-01-16 | Sampling needle cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246695B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201641A (en) * | 2018-09-20 | 2019-01-15 | 迈克医疗电子有限公司 | Anti-overflow device for cleaning device |
| WO2019140549A1 (en) * | 2018-01-16 | 2019-07-25 | 深圳迎凯生物科技有限公司 | Sampling needle cleaning device |
| CN112871885A (en) * | 2019-11-29 | 2021-06-01 | 深圳市帝迈生物技术有限公司 | Cleaning device for sample adding needle, cleaning liquid path system and method thereof, and sample analyzer |
| CN113399379A (en) * | 2020-03-16 | 2021-09-17 | 深圳迎凯生物科技有限公司 | Cleaning device |
| WO2022099959A1 (en) * | 2020-11-13 | 2022-05-19 | 苏州长光华医生物医学工程有限公司 | Cleaning station structure for preventing liquid hanging from sampling needle |
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