CN105537180A - Vortex type sampling needle washing device - Google Patents
Vortex type sampling needle washing device Download PDFInfo
- Publication number
- CN105537180A CN105537180A CN201510940141.6A CN201510940141A CN105537180A CN 105537180 A CN105537180 A CN 105537180A CN 201510940141 A CN201510940141 A CN 201510940141A CN 105537180 A CN105537180 A CN 105537180A
- Authority
- CN
- China
- Prior art keywords
- drain pipe
- conical bores
- conical cavity
- sampling needle
- washing
- 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.)
- Pending
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Classifications
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- 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
- B08B3/04—Cleaning involving contact with liquid
- B08B3/041—Cleaning travelling work
- B08B3/042—Cleaning travelling work the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity
Abstract
The invention discloses a vortex type sampling needle washing device which comprises a needle washing unit. The needle washing unit comprises a small-end-down conical cavity and a liquid outlet pipe, wherein the conical cavity is located on the upper portion, and the liquid outlet pipe is vertical and located on the lower portion. The upper end of the conical cavity is open, the inner surface of the conical cavity is a polished surface, and a liquid inlet for washing liquid penetrates through the side wall of the conical cavity; a horizontally-titling liquid inlet pipe is arranged outside the washing liquid inlet, and the tilting angle of the liquid inlet pipe is 30-60 degrees; the lower end of the conical cavity communicates with the liquid outlet pipe, and the axis of the conical cavity and the axis of the liquid outlet pipe are located on the same straight line. A spiral groove is formed in the inner wall of the liquid outlet pipe, and the depth of the groove is gradually increased from top to bottom in the spiral direction. The vortex type sampling needle washing device has the beneficial effects that when sampling needles are washed, washing force is large, the washing speed is high, the washing effect is good, and pollution is avoided; the effects can be further enhanced by changing parameters of the needle washing unit.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of eddy current type sampling needle and wash needle device.
Background technology
Blood rheological instrument is a kind of medical machinery for checking blood viscosity.Blood rheological instrument needs to carry out sampling processing to invisible spectro blood successively with sampling needle in the course of the work, and each sampling all needs instrument automatically to clean sampling needle.
At present, on blood rheological instrument, the cleaning way of various sampling needle generally has bubble type, spring formula and scrapes formula three kinds.Three kinds of cleaning ways are provided with washer, and sampling needle have passed through washer, and when cleaning, sampling needle also can be moved back and forth up and down by the control of computer.The obvious shortcomings such as bubble type and spring formula have cleaning not wash clean slowly, clearly, and the cleaning of spring formula also needs more cleaning fluid; Although it is fast to scrape formula cleaning cleaning, just has sample material after there is cleaning a period of time and remain and the shortcoming that pollutes.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of eddy current type sampling needle and washes needle device.
Technical solution of the present invention is as follows: a kind of eddy current type sampling needle washes needle device, have and wash pin device, the described drain pipe washed pin device and comprise the up big and down small conical bores in top and lower vertical shape, the upper end of this conical bores is uncovered shape, the inner surface of conical bores is burnishing surface, and the inlet opening being provided with cleaning fluid runs through sidewall, the feed tube of horizontal tilt is outside equipped with at described inlet opening, the angle value that feed tube tilts is 30 °-60 °, the lower end of conical bores is communicated with drain pipe, and the axial line of the axial line of conical bores and drain pipe point-blank, the inwall of described drain pipe is provided with spiral groove, the degree of depth of this groove increases from top to bottom gradually along with the hand of spiral.
Adopt above technical scheme, sampling needle moves along the axis of conical bores and drain pipe, when moving in conical bores and drain pipe, is cleaned by the cleaning fluid entered from sidewall.Be no matter cleaning fluid by inlet, or to be discharged by drain pipe, be all subject to the effect of the pump being arranged at inlet pipeline and drain pipe pipeline.Cleaning fluid is punched in conical bores by the feed tube tilted, can rotational flow under inertia and Action of Gravity Field time cleaning fluid flows to.Under the angle of inclination of different feed tube, cleaning fluid produces liquid stream whirlpool in various degree.The cleaning fluid mid portion flow velocity entered in conical bores is the fastest, conical bores edge is because resistance flow velocity is the slowest, also automatically can form whirlpool, circinate cleaning fluid fluid has larger scouring force to sampling needle, makes sampling needle be cleaned cleaner.The polished conical bores inner surface processed due to smooth, make more to be convenient to the flowing of cleaning fluid and less cleaning fluid adhesion on an internal surface, make cleaning environment cleaner and tidier.On drain pipe pipeline, clean the cleaning fluid after sampling needle under the positive action of drawing liquid pump and drain pipe spiral inner wall connected in star, liquid flow direction has been changed, formed revolving force, then drive the liquid in rotation of whole vertical portion to twist, also can form whirlpool.The degree of depth of spiral groove increases from top to bottom successively along drain pipe, makes spiral groove be connected more smooth-going with conical bores, is unlikely to produce larger retardation and the formation affecting liquid stream whirlpool.
Present invention utilizes the setting of the spiral groove on conical bores and drain pipe, cleaning fluid is made to be that swirling is cleaned sampling needle, simultaneously, the feed tube tilted also provides stablizes suitable liquid stream more, the groove of degree of depth gradual change can impel the miscarriage of stable liquid raw, clean great efforts when reaching cleaning sampling needle, cleaning speed is fast, the beneficial effect that cleaning performance is good.
Further, the sidewall of described conical bores and the angular range of horizontal plane are 25 °-70 °.From physical principle, the conical cavity cognition of different inclined degree makes the component of cleaning fluid on sidewall vary in size, and then produces the liquid stream whirlpool of varying strength.
Further, the internal diameter of described drain pipe is 4mm-8mm.Sampling needle diameter on existing market be the drain pipe internal diameter of 2mm, 4mm-8mm when coordinating sampling needle, both made cleaning fluid contact fully with sampling needle, sampling needle can not be made again to contact with drain pipe too tight and to cause cleaning fluid to flow not smooth.
Beneficial effect is: in the present invention, conical bores smooth surface adds the feed tube of surface thereof and the groove of degree of depth gradual change, make cleaning fluid can produce powerful and variable liquid stream whirlpool when cleaning sampling needle, there is cleaning strength large, scavenging period is short, good and the free of contamination effect of cleaning performance, the thickness of the angle and drain pipe that simultaneously can also change conical bores improves further cleans to obtain effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is top view of the present invention.
1-washes pin device, 1a-conical bores, 1b-drain pipe, 1c-inlet, 1d-feed tube, 1e-groove, A-horizontal line, B-feed tube axis.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present invention washes pin device 1 and comprises the up big and down small conical bores 1a on top and the drain pipe 1b of lower vertical shape, the upper end of this conical bores 1a is uncovered shape, the inner surface of the sidewall of conical bores 1a is burnishing surface, and the angular range of sidewall and horizontal line A is 25 °-70 °, in the present embodiment, be preferably 60 °.The inlet opening 1c that the sidewall of conical bores 1a is provided with cleaning fluid runs through sidewall, inlet opening 1c is outside equipped with the feed tube 1d of horizontal tilt, the angle value scope that feed tube 1d tilts is 30 °-60 °, 45 ° are preferably in the present embodiment, angle value scope is herein interpreted as: axis and the conical bores 1a inner surface of feed tube 1d produce intersection point, the vertical line of intersection point and conical bores 1a axis and the angular range of feed tube 1d.The lower end of conical bores 1a is communicated with drain pipe 1b, and the axial line of the axial line of conical bores 1a and drain pipe 1b point-blank.The internal diameter of described drain pipe 1b in the scope of 4mm-8mm, and is preferably 4mm in the present embodiment, the inwall of drain pipe 1b is provided with spiral groove 1e, and along drain pipe 1b top down, the depth value of spiral groove 1d increases gradually.
As shown in Figure 1, sampling needle moves along the axis of conical bores 1a and drain pipe 1b, when moving in conical bores 1a and drain pipe 1b, is cleaned by the cleaning fluid entered from sidewall.Be no matter cleaning fluid by inlet 1c, or to be discharged by drain pipe 1b, be all subject to the effect of the pump being arranged at the pipeline of inlet 1c and the pipeline of drain pipe 1b.Cleaning fluid is punched in conical bores 1a by the feed tube 1d be obliquely installed, and under inertia and Action of Gravity Field, understand rotational flow time cleaning fluid flows to, the sidewall being 60 ° with horizontal line angle impels the cleaning fluid of flowing to produce the whirlpool of respective intensities.The cleaning fluid mid portion flow velocity entered in conical bores 1a is the fastest, conical bores 1a edge is because resistance flow velocity is the slowest, also automatically can form whirlpool, circinate cleaning fluid fluid has larger scouring force to sampling needle, makes sampling needle be cleaned cleaner.For the conical bores 1a inner surface of burnishing surface is due to smooth, make more to be convenient to the flowing of cleaning fluid and less cleaning fluid adhesion on an internal surface, make cleaning environment cleaner and tidier.On the pipeline of drain pipe 1b, clean the rotational flow under the positive action of the spiral inner wall connected in star 1e of drawing liquid pump and drain pipe 1b of the cleaning fluid after sampling needle, formed revolving force, then drive the liquid in rotation of whole vertical portion to twist, also can form whirlpool.The degree of depth of spiral groove 1e increases from top to bottom successively along drain pipe, makes spiral groove 1e be connected more smooth-going with conical bores 1a, is unlikely to produce larger retardation and the formation affecting liquid stream whirlpool.The drain pipe 1b of 4mm internal diameter is that the sampling needle of diameter 2mm leaves the wide gap of 1mm, has both been convenient to produce liquid stream whirlpool, and can not have leaned on again too tightly affect liquid stream.
In specific implementation process, open the liquid feeding pump on feed tube 1d pipeline, liquid feeding pump starts in conical bores 1a, to be pressed into cleaning fluid by inlet 1c along feed tube 1d, cleaning fluid with certain speed is the inwall that 45° angle rushes at conical bores 1a, start to produce whirlpool liquid stream, and with enter into the sampling needle washed in pin device 1 and fully contact, generation is washed away, on the conical bores 1a inner surface of polishing, be not stained with more cleaning liquid.Due to Action of Gravity Field, cleaning fluid meeting nature, toward current downflow, enters in drain pipe 1b.Due to the guide functions of the spiral groove 1d in drain pipe 1b, add the swabbing action of drawing liquid pump to cleaning fluid, the swirling disturbance of cleaning fluid in drain pipe 1b can strengthen, and produces the scouring force larger to sampling needle.Meanwhile, due to the larger swabbing action of drawing liquid pump, the cleaning fluid in conical bores 1a can be arranged cleaner.
In the present embodiment, complete the cleaning of sampling needle fast, and clean very clean, safety non-pollution, the relieved use of health care worker can be made.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (1)
1. an eddy current type sampling needle washes needle device, have and wash pin device (1), it is characterized in that: described in wash the drain pipe (1b) that pin device (1) comprises the up big and down small conical bores in top (1a) and lower vertical shape, the upper end of this conical bores (1a) is uncovered shape, the inner surface of conical bores (1a) is burnishing surface, and the inlet opening (1c) being provided with cleaning fluid runs through sidewall, the feed tube (1d) of horizontal tilt is outside equipped with at described inlet opening (1c), the angle value that feed tube (1d) tilts is 30 °-60 °, the lower end of conical bores (1a) is communicated with drain pipe (1b), and the axial line of the axial line of conical bores (1a) and drain pipe (1b) point-blank, the inwall of described drain pipe (1b) is provided with spiral groove (1e), the degree of depth of this groove (1d) increases from top to bottom gradually along with the hand of spiral,
The sidewall of described conical bores (1a) and the angular range of horizontal plane are 25 °-70 °;
The internal diameter of described drain pipe (1b) is 4mm-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940141.6A CN105537180A (en) | 2015-12-14 | 2015-12-14 | Vortex type sampling needle washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940141.6A CN105537180A (en) | 2015-12-14 | 2015-12-14 | Vortex type sampling needle washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105537180A true CN105537180A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510940141.6A Pending CN105537180A (en) | 2015-12-14 | 2015-12-14 | Vortex type sampling needle washing device |
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| Country | Link |
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| CN (1) | CN105537180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116274217A (en) * | 2023-03-09 | 2023-06-23 | 宁波市锦泰橡塑有限公司 | Cleaning device for sample extraction capillary |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4225296A (en) * | 1995-01-31 | 1996-08-08 | Johnson & Johnson Clinical Diagnostics, Inc. | Improved probe wash device |
| CN2896263Y (en) * | 2006-01-20 | 2007-05-02 | 深圳迈瑞生物医疗电子股份有限公司 | Wiper for washing external wall of sampling needle |
| CN101099969A (en) * | 2006-07-04 | 2008-01-09 | 深圳迈瑞生物医疗电子股份有限公司 | Wiper for cleaning sampling needle |
| US20120227771A1 (en) * | 2009-11-20 | 2012-09-13 | Siemens Healthcare Diagnostics Inc. | Apparatus, Systems, And Methods Adapted To Rinse And Dry Clinical Analyzer Sample Probes |
| CN202516819U (en) * | 2012-04-10 | 2012-11-07 | 重庆金鸿电气工程有限公司 | High-pressure vortex flushing device for pipeline |
| CN103056124A (en) * | 2011-10-18 | 2013-04-24 | 深圳市蓝韵实业有限公司 | Compatible chip-removal type sampling needle cleaning device |
| CN104107815A (en) * | 2013-04-16 | 2014-10-22 | 深圳迈瑞生物医疗电子股份有限公司 | Cleaning device of sampling needle, cleaning method of sampling needle and sample analyzing device |
-
2015
- 2015-12-14 CN CN201510940141.6A patent/CN105537180A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4225296A (en) * | 1995-01-31 | 1996-08-08 | Johnson & Johnson Clinical Diagnostics, Inc. | Improved probe wash device |
| CN2896263Y (en) * | 2006-01-20 | 2007-05-02 | 深圳迈瑞生物医疗电子股份有限公司 | Wiper for washing external wall of sampling needle |
| CN101099969A (en) * | 2006-07-04 | 2008-01-09 | 深圳迈瑞生物医疗电子股份有限公司 | Wiper for cleaning sampling needle |
| US20120227771A1 (en) * | 2009-11-20 | 2012-09-13 | Siemens Healthcare Diagnostics Inc. | Apparatus, Systems, And Methods Adapted To Rinse And Dry Clinical Analyzer Sample Probes |
| CN103056124A (en) * | 2011-10-18 | 2013-04-24 | 深圳市蓝韵实业有限公司 | Compatible chip-removal type sampling needle cleaning device |
| CN202516819U (en) * | 2012-04-10 | 2012-11-07 | 重庆金鸿电气工程有限公司 | High-pressure vortex flushing device for pipeline |
| CN104107815A (en) * | 2013-04-16 | 2014-10-22 | 深圳迈瑞生物医疗电子股份有限公司 | Cleaning device of sampling needle, cleaning method of sampling needle and sample analyzing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116274217A (en) * | 2023-03-09 | 2023-06-23 | 宁波市锦泰橡塑有限公司 | Cleaning device for sample extraction capillary |
| CN116274217B (en) * | 2023-03-09 | 2023-08-25 | 宁波市锦泰橡塑有限公司 | Cleaning device for sample extraction capillary |
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Application publication date: 20160504 |