CN105057297B - Sampling needle washer - Google Patents
Sampling needle washer Download PDFInfo
- Publication number
- CN105057297B CN105057297B CN201510415500.6A CN201510415500A CN105057297B CN 105057297 B CN105057297 B CN 105057297B CN 201510415500 A CN201510415500 A CN 201510415500A CN 105057297 B CN105057297 B CN 105057297B
- Authority
- CN
- China
- Prior art keywords
- moving conduit
- sampling needle
- rinse bath
- cover plate
- moving
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sampling needle washer, the moving conduit that at least two run through up and down including being provided with rinse bath and groove lid rinse bath pass through for sampling needle, moving conduit bottom is pressed with sealing ring with casting die, and the hollow confession sampling needle of casting die passes through, and casting die is interference fitted with moving conduit bottom；Connected between moving conduit by feed pathway, be additionally provided with apocenosis passage between moving conduit, feed pathway, which is higher than, is provided with an inlet opening connected with feed pathway, the fluid hole that is connected with apocenosis passage in apocenosis passage, cleaning groove sidewall；Groove lid includes being provided with sampling pin hole corresponding with moving conduit on cover plate and the mounting blocks extended sideways away from cover plate, cover plate, and mounting blocks are provided with mounting hole；Rinse bath and groove lid are connected by screw.Simple in construction, easy to manufacture of the invention, service life is long, safeguards simply, conveniently.
Description
Technical field
The present invention relates to medical instruments field technology, more particularly to a kind of sampling needle washer.
Background technology
At present, it is the absorption that sample is carried out using sampling needle mostly in the analytical equipment of liquid phase sample, and after absorption
Sampling needle can be cleaned.There are a variety of sampling needle washers on the market now, one of which is to adopting in sealing cleaning intracavitary
Sample pin is cleaned, and whole cleaning chamber is hollow, and this washer has cleaning waste liquid and easily let out from sampling needle channel bottom
The problem of dew, cause not washing clean clearly, easily produce biological pollution.
The content of the invention
In order to solve the above technical problems, the present invention provide it is a kind of it is simple in construction, prevent cleaning fluid leakage, can be while cleaning many
The washer of individual sampling needle, guarantee sampling needle cleaning performance.
Technical scheme is as follows：A kind of sampling needle washer, including opened in rinse bath described in rinse bath and groove lid
There are run through up and down at least two moving conduits passed through for sampling needle, the moving conduit bottom is pressed with sealing ring with casting die,
The hollow confession sampling needle of casting die passes through, and casting die is interference fitted with moving conduit bottom；Pass through feed liquor between the moving conduit
Passage is connected, and apocenosis passage is additionally provided between moving conduit, and the feed pathway, which is higher than in apocenosis passage, cleaning groove sidewall, to be provided with
One inlet opening for being connected with feed pathway, the fluid hole that is connected with apocenosis passage；
The groove lid includes being provided with and moving conduit on cover plate and the mounting blocks extended sideways away from cover plate, the cover plate
Corresponding sampling pin hole, the mounting blocks are provided with mounting hole；
The rinse bath and groove lid are connected by screw.
Preferably, the moving conduit is at least three, and any three moving conduits are not point-blank, described
Feed pathway is distributed in the middle part of rinse bath in divergent shape, so as to be connected with each moving conduit, the inlet opening and feed pathway
Diverging center connection；Each moving conduit is sequentially communicated by the apocenosis passage in the periphery of feed pathway, but positioned at discharge opeing
Two moving conduits of passage initial and end are not attached to, and inlet opening is arranged between two moving conduits of initial and end, it is to avoid inlet opening with
Apocenosis passage is connected.Cleaning fluid is squeezed into rinse bath by pump by inlet opening, and cleaning fluid enters moving conduit along feed pathway
In, sampling needle up and down motion is cleaned, and cleaning is suctioned out cleaning fluid from fluid hole by pump after finishing, in each moving conduit
Cleaning fluid flows to fluid hole via apocenosis passage.
Preferably, four moving conduits are provided with the rinse bath so that can once clean multiple sampling needles,
Improve cleaning efficiency；The fluid hole, which is horizontally through at rinse bath and the two of apocenosis passage, intersects connection so that the row of cleaning fluid
Go out faster, accelerate cleaning speed.
Preferably, the casting die is hollow cylindrical, and moving conduit is also cylinder, convenient processing.
Preferably, the mounting blocks face relative with cover plate is cambered surface, and mounting blocks are hollow, and with cover plate one into
Shape.Mounting blocks are hollow can be reduced material usage, mitigate groove lid weight, integrally formed convenient processing.
The beneficial effects of the invention are as follows：Multiple sampling needles are arranged in separated moving conduit and cleaned, design feed liquor leads to
Road and apocenosis passage to form many places fluid loop formation vortex, cleaning force of the increase to sampling needle inside and outside wall between moving conduit
Degree, decreases biological pollution, it is ensured that cleaning performance；Cleaning fluid is easily from rinse bath bottom before casting die and sealing ring are solved
The problem of portion is revealed；Simple in construction, easy to manufacture of the invention, service life is long, safeguards simply, conveniently.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the cleaning slot structure schematic diagram of the present invention.
Fig. 3 is the top view of the rinse bath of the present invention.
Fig. 4 is the groove lid structural representation of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Sampling needle washer as Figure 1-4, is made up of rinse bath A and groove lid B, is provided with and runs through up and down in rinse bath A
Four moving conduits 1 for passing through for sampling needle, any three moving conduits 1 not point-blank, use by the bottom of moving conduit 1
Casting die 1a is pressed with sealing ring 1b, and casting die 1a is hollow cylindrical, and passed through for hollow confession sampling needle, casting die 1a and moving conduit 1
Bottom is interference fitted；The problem of cleaning fluid is easily revealed from bottom of rinse bath before casting die 1a and sealing ring 1b are solved.
Connected between moving conduit 1 by feed pathway 2, apocenosis passage 3, feed pathway 2 are additionally provided between moving conduit 1
Higher than apocenosis passage 3, an inlet opening 4 connected with feed pathway 2 is provided with the wall of rinse bath A sides, one connects with apocenosis passage 3
Logical fluid hole 5；Feed pathway 2 is distributed in the middle part of rinse bath A in divergent shape, so as to be connected with each moving conduit 1, inlet opening
4 connect with the diverging center of feed pathway 2；Each moving conduit 1 is sequentially communicated by apocenosis passage 3 in the periphery of feed pathway 2,
But be not attached to positioned at two moving conduits 1 of the initial and end of apocenosis passage 3, inlet opening 4 be arranged on two moving conduits 1 of initial and end it
Between, it is to avoid inlet opening is connected with apocenosis passage.Fluid hole 5, which is horizontally through at rinse bath A and the two of apocenosis passage 3, intersects connection,
So that the discharge of cleaning fluid is faster, accelerate cleaning speed.
The mounting blocks 7 that groove lid B extends sideways away by cover plate 6 and from cover plate 6 are constituted, and are provided with cover plate 6 and moving conduit 1
Corresponding sampling pin hole 6a；Mounting blocks 7 are hollow, which is provided with mounting hole 7a, and the face relative with cover plate 6 of mounting blocks 7 is cambered surface, and
It is integrally formed with cover plate 6.Mounting blocks are hollow can be reduced material usage, mitigate groove lid weight, integrally formed convenient processing.
Screw is equipped with rinse bath A and groove lid B corner, rinse bath A and groove lid B are connected by screw.
When in use, the sampling needle washer of the present invention is fixed in sampling mechanism, sampling needle is inserted in sampling arm,
Sampling arm is connected with elevating mechanism, and washer is fixed, and sampling needle is driven in cleaning by the up and down motion of sampling arm
Moved up and down in the moving conduit 1 of device.Inwall is first cleaned, now sampling needle is static does not move up and down, sampling needle insertion sampling arm,
Four rubber tubes connection of its top and pump, then sampling needle will be caused in the sampling pin hole 6a of sampling needle insertion sampling needle washer
Bottom is reached into rinse bath A moving conduit 1, inlet opening 4, fluid hole 5 are connected with two pipes of another pump, will cleaned
Liquid is squeezed into sampling needle from the rubber tube on sampling needle top, and cleaning fluid is rinsed to sampling needle inwall from top to bottom, cleaning
Liquid is discharged into the bottom of moving conduit 1 from the pin hole of sampling needle lower end, through apocenosis passage 3 from the row of fluid hole 5 in the presence of pump
Go out, complete the once cleaning of sampling needle inwall, can repeatedly be rinsed.
Cleaning sampling needle outer wall after sampling needle inwall has been cleaned, has been squeezed into cleaning fluid from inlet opening 4 by pump, it is logical through feed liquor
Road 2 flow into four moving conduits 1 in, by sampling arm up and down motion drive sampling needle in the moving conduit 1 of washer on
Lower motion, so as to be cleaned to the outer wall of sampling needle, cleaning finish after in the presence of pump cleaning fluid through apocenosis passage 3 from going out
Fluid apertures 5 is discharged, and is completed the once cleaning of sampling needle outer wall, can be cleaned multiple times.
Claims (4)
1. a kind of sampling needle washer, including rinse bath (A) and groove lid (B), it is characterised in that：It is provided with the rinse bath (A)
The moving conduit (1) that at least three run through up and down pass through for sampling needle, moving conduit (1) bottom is pressed with casting die (1a)
Sealing ring (1b), the hollow confession sampling needle of casting die (1a) passes through, and casting die (1a) is interference fitted with moving conduit (1) bottom；Institute
State between moving conduit (1) and to be connected by feed pathway (2), be additionally provided with apocenosis passage (3) between moving conduit (1), it is described enter
Liquid passage (2), which is higher than on apocenosis passage (3), rinse bath (A) side wall, is provided with an inlet opening (4) connected with feed pathway (2),
One fluid hole (5) for being connected with apocenosis passage (3)；Any three moving conduits (1) not point-blank, feed pathway
(2) in divergent shape distribution in the middle part of rinse bath (A), so as to be connected with each moving conduit (1), the inlet opening (4) and feed liquor
The diverging center connection of passage (2)；The apocenosis passage (3) the periphery of feed pathway (2) by each moving conduit (1) successively
Connection, but be not attached to positioned at two moving conduits (1) of apocenosis passage (3) initial and end, inlet opening (4) is arranged on two fortune of initial and end
Between dynamic passage (1)；
The groove lid (B) includes opening on cover plate (6) and the mounting blocks (7) extended sideways away from cover plate (6), the cover plate (6)
There is sampling pin hole (6a) corresponding with moving conduit (1), the mounting blocks (7) are provided with mounting hole (7a)；
The rinse bath (A) and groove lid (B) are connected by screw.
2. a kind of sampling needle washer as claimed in claim 1, it is characterised in that：Four are provided with the rinse bath (A)
Moving conduit (1), the fluid hole (5), which is horizontally through at rinse bath (A) and the two of apocenosis passage (3), intersects connection.
3. a kind of sampling needle washer as claimed in claim 1, it is characterised in that：The casting die (1a) is hollow cylindrical.
4. a kind of sampling needle washer as claimed in claim 1, it is characterised in that：The mounting blocks (7) are relative with cover plate (6)
Face be cambered surface, mounting blocks (7) are hollow and integrally formed with cover plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415500.6A CN105057297B (en) | 2015-07-14 | 2015-07-14 | Sampling needle washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415500.6A CN105057297B (en) | 2015-07-14 | 2015-07-14 | Sampling needle washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105057297A CN105057297A (en) | 2015-11-18 |
| CN105057297B true CN105057297B (en) | 2017-10-03 |
Family
ID=54486933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415500.6A Active CN105057297B (en) | 2015-07-14 | 2015-07-14 | Sampling needle washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105057297B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358187A (en) * | 2018-11-29 | 2019-02-19 | 重庆异符信息技术有限责任公司 | A kind of blood sampling device and blood rheological instrument |
| JP7077259B2 (en) | 2019-03-20 | 2022-05-30 | 日本発條株式会社 | Nozzle cleaning device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445389A (en) * | 1973-10-16 | 1976-08-11 | Chemlab Mfg Ltd | Sampling arrangements |
| CN203018416U (en) * | 2013-01-16 | 2013-06-26 | 楚天科技股份有限公司 | Filling needle cleaning water tank |
| CN104690044A (en) * | 2015-03-09 | 2015-06-10 | 北京普立泰科仪器有限公司 | Active type sampling probe washing device capable of preventing cross infection and cleaning method |
| CN204866769U (en) * | 2015-07-14 | 2015-12-16 | 重庆南方数控设备有限责任公司 | Sampling needle purger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030223472A1 (en) * | 2002-05-29 | 2003-12-04 | Ravalico Patricia H. | Clinical tester wash and method |
-
2015
- 2015-07-14 CN CN201510415500.6A patent/CN105057297B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445389A (en) * | 1973-10-16 | 1976-08-11 | Chemlab Mfg Ltd | Sampling arrangements |
| CN203018416U (en) * | 2013-01-16 | 2013-06-26 | 楚天科技股份有限公司 | Filling needle cleaning water tank |
| CN104690044A (en) * | 2015-03-09 | 2015-06-10 | 北京普立泰科仪器有限公司 | Active type sampling probe washing device capable of preventing cross infection and cleaning method |
| CN204866769U (en) * | 2015-07-14 | 2015-12-16 | 重庆南方数控设备有限责任公司 | Sampling needle purger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105057297A (en) | 2015-11-18 |
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