CN208283413U - A kind of sample needle anticollision mechanism - Google Patents
A kind of sample needle anticollision mechanism Download PDFInfo
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- CN208283413U CN208283413U CN201820775706.9U CN201820775706U CN208283413U CN 208283413 U CN208283413 U CN 208283413U CN 201820775706 U CN201820775706 U CN 201820775706U CN 208283413 U CN208283413 U CN 208283413U
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- China
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- plectrum
- sampling probe
- sample needle
- anticollision mechanism
- elastic sheet
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Abstract
The utility model relates to a kind of sample needle anticollision mechanisms, when a crash occurs, needle tubing, sampling probe plectrum and mounting elastic sheet are moved upwards relative to needle tubing fixing seat, elastic component is compressed, sampling probe plectrum touches detection switch, signal is sent by detection switch and controls power supply disconnection by PCBA board, to achieve the purpose that entire mechanism stops working, prevents the damage of sample needle.It hits after releasing, under the effect of mounting elastic sheet elastic force, sampling probe plectrum and mounting elastic sheet set back.The sample needle anticollision mechanism of the utility model, can be in the sample needle anticollision mechanism of stop motion under crash situation.
Description
Technical field
The utility model relates to a kind of sample needle anticollision mechanisms, belong to the field of medical instrument technology.
Background technique
The most commonly used diagnostic method of medical domain is in-vitro diagnosis at present, refer to the acquisition body fluid of human body, blood,
Excreta and secretion etc. carry out the analysis of chemical component or chemical reaction, to obtain clinical diagnosis information, and then judge
The products & services of disease or body function.Main to have chemiluminometry and Molecular diagnostics, these diagnostic methods are adopted
It is loaded, analyzed with automatically or semi-automatically instrument, finally provide diagnosis report.The sample adding device of this quasi-instrument, needs
It is equipped with the sample injector that disposable sample needle is either reused, however disposable sample needle overall cost is higher, will increase list
The cost of a inspection project, it is extremely uneconomical for lower-cost inspection project；Reusable sample needle single-piece
Cost is again higher, and replacement program is complicated, and there are the risks of biochemical pollution.And in the case where there is exception in instrument, sample-adding
There is the risk for hitting other positions of instrument in needle, cause to shut down or damage, even generation biochemical pollution, influence entire testing number
According to.
So need to consider to protect sample needle in the case where instrument exception in the instrument diagnosed in vitro, from damaging,
It avoids losing, reduces the risk of biochemical pollution
Utility model content
Technical problem to be solved by the utility model is: to solve sample needle in the case where exception occurs in instrument, sample-adding
Needle hits the technical issues of other positions of instrument, and providing one kind can be in the sample needle anti-collision machine of stop motion under crash situation
Structure.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of sample needle anticollision mechanism, comprising:
Needle tubing fixing seat has upper bottom surface and bottom surface, and the installation cavity between upper bottom surface and bottom surface；
Needle tubing is passed through from bottom surface and is fixed with the sampling probe plectrum being located in installation cavity；
Mounting elastic sheet is arranged above sampling probe plectrum；
Guide post is fixed on the upper bottom surface and bottom surface across installation cavity, and the guide post passes through the sampling
Needle plectrum and mounting elastic sheet；
Elastic component is set in outside guide post, and described elastic component one end is resisted against on mounting elastic sheet, and the other end is resisted against bottom
The bottom in face；
Detection switch is arranged in needle tubing fixing seat, is located above sampling probe plectrum.
Preferably, the sample needle anticollision mechanism of the utility model, the anticollision mechanism further include limited block, the limited block
It is arranged in needle tubing fixing seat, when for preventing from moving upwards excessive, sampling probe plectrum excessively oppresses detection switch and damages inspection
Survey switch.
Preferably, the sample needle anticollision mechanism of the utility model, the sampling probe plectrum includes bottom plate, and is located at bottom plate
The riser of side, riser top is away from the inclined inclined-plane in detection switch side or cambered surface.
Preferably, the sample needle anticollision mechanism of the utility model, the mounting elastic sheet are U-shaped, the side point of mounting elastic sheet
It is not passed through by two guide posts.
Preferably, the sample needle anticollision mechanism of the utility model, the end of the side of the mounting elastic sheet are to be upturned
Alice.
Preferably, the sample needle anticollision mechanism of the utility model, the bottom surface by centre have notch plate jaggy and
It is spliced to form on sampling probe plectrum with the convex plate that can extend into notch plate indentation, there and be opened away from riser side
The mounting groove of mouth.
Preferably, the sample needle anticollision mechanism of the utility model, is fixed between the notch plate and convex plate by screw.
The beneficial effects of the utility model are: the sample needle anticollision mechanism of the utility model, when a crash occurs, needle tubing,
Sampling probe plectrum and mounting elastic sheet move upwards (sampling probe plectrum and bottom surface disengage) relative to needle tubing fixing seat, elastic
Part is compressed, and sampling probe plectrum touches detection switch, is sent signal by detection switch and is controlled power supply disconnection by PCBA board,
To achieve the purpose that entire mechanism stops working, the damage of sample needle is prevented.It hits after releasing, is acted in mounting elastic sheet elastic force
Under, sampling probe plectrum and mounting elastic sheet set back.The sample needle anticollision mechanism of the utility model can stop under crash situation
The sample needle anticollision mechanism only moved.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
The structural schematic diagram of sample needle anticollision mechanism when Fig. 1 is normal in the utility model embodiment 1；
The structural schematic diagram of sample needle anticollision mechanism when Fig. 2 is the shock in the utility model embodiment 1；
Fig. 3 is the disassembly and assembly structure schematic diagram that the utility model implements bottom surface in 1.
Appended drawing reference in figure are as follows:
1- needle tubing fixing seat；10- installation cavity；11- upper bottom surface；12- bottom surface；121- notch plate；122- convex plate；2- is led
Xiang Zhu；3- elastic component；4- needle tubing；41- sampling probe plectrum；411- bottom plate；412- riser；413- mounting groove；5- detection switch；6-
Limited block；7- mounting elastic sheet；The side 71-.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
In the description of utility model, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of utility model, the meaning of " plurality " is two or two with
On, unless otherwise specifically defined.
In utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in reality as the case may be
With the concrete meaning in novel.
Embodiment 1
The present embodiment provides a kind of sample needle anticollision mechanisms, as shown in Figure 1, comprising:
Needle tubing fixing seat 1, preferably hollow square structure have upper bottom surface 11 and bottom surface 12, and are located at upper bottom surface
Installation cavity 10 between 11 and bottom surface 12；
Needle tubing 4 is passed through from bottom surface 12 and is fixed with the sampling probe plectrum 41 being located in installation cavity 10；Sampling probe plectrum 41
Including bottom plate 411, and the riser 412 positioned at 411 side of bottom plate, rolled at the top of riser 412 away from detection switch 5 one
Oblique inclined-plane or cambered surface, when stirring detection switch 5, reduces the impact force to contact by inclined-plane or cambered surface；
Mounting elastic sheet 7 is arranged above sampling probe plectrum 41；
Guide post 2 is fixed on the upper bottom surface 11 and bottom surface 12 across installation cavity 10, and the guide post 2 passes through
The sampling probe plectrum 41 and mounting elastic sheet 7；
Elastic component 3 is set in outside guide post 2, and described 3 one end of elastic component is resisted against on mounting elastic sheet 7, and the other end is resisted against
The bottom of upper bottom surface 11；
Detection switch 5 is arranged in needle tubing fixing seat 1, is located at 41 top of sampling probe plectrum, in sampling probe plectrum 41
Stop the motor of driving mechanism operation when touching；
Limited block 6 is arranged in needle tubing fixing seat 1, when for preventing from moving upwards excessive, 41 excessive pressure of sampling probe plectrum
Compel detection switch 5 and damages detection switch 5.
When a crash occurs, as shown in Fig. 2, needle tubing 4, sampling probe plectrum 41 and mounting elastic sheet 7 are relative to needle tubing fixing seat 1
(sampling probe plectrum 41 and bottom surface 12 disengage) is moved upwards, elastic component 3 is compressed, and the touching detection of sampling probe plectrum 41 is opened
5 are closed, signal is sent by detection switch 5 and controls power supply disconnection by PCBA board, to reach what entire mechanism stopped working
Purpose prevents the damage of sample needle.It hits after releasing, under the effect of 7 elastic force of mounting elastic sheet, sampling probe plectrum 41 and mounting elastic sheet
7 set back.
Mounting elastic sheet 7 is U-shaped, and the side 71 of mounting elastic sheet 7 is passed through by two guide posts 2 respectively；
The end of the side 71 of mounting elastic sheet 7 is alice, and bottom surface 12 is had notch plate 121 jaggy by centre and had
The convex plate 122 that can extend into 121 indentation, there of notch plate is spliced, solid by screw between notch plate 121 and convex plate 122
It is fixed, the mounting groove 413 away from 412 1 side opening of riser is formed on sampling probe plectrum 41, the guide post 2 passes through.
By above-mentioned setting, convex plate 122 is first fitted together with needle tubing 4, sampling probe plectrum 41, guide post 2, elastic component
3, the components such as mounting elastic sheet 7, notch plate 121 and upper bottom surface 11 fit together, and when assembling, convex plate 122 is inserted into spill
In plate 121, sampling probe plectrum 41 is convenient to jack up mounting elastic sheet 7, and guide post 2 enters the installation of sampling probe plectrum 41
In slot 413, after tightening screw, the assembling of entire mechanism is completed.Have the advantages that assembling installation is very convenient.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. a kind of sample needle anticollision mechanism characterized by comprising
Needle tubing fixing seat (1) has upper bottom surface (11) and bottom surface (12), and between upper bottom surface (11) and bottom surface (12)
Installation cavity (10)；
Needle tubing (4) is passed through from bottom surface (12) and is fixed with the sampling probe plectrum (41) being located in installation cavity (10)；
Mounting elastic sheet (7), setting is above sampling probe plectrum (41)；
Guide post (2) is fixed on the upper bottom surface (11) and bottom surface (12), the guide post across installation cavity (10)
(2) the sampling probe plectrum (41) and mounting elastic sheet (7) are passed through；
Elastic component (3) is set in guide post (2) outside, and described elastic component (3) one end is resisted against on mounting elastic sheet (7), and the other end supports
Lean against the bottom of upper bottom surface (11)；
Detection switch (5), setting are located above sampling probe plectrum (41) in needle tubing fixing seat (1).
2. sample needle anticollision mechanism according to claim 1, which is characterized in that the anticollision mechanism further includes limited block
(6), limited block (6) setting is in needle tubing fixing seat (1), when for preventing from moving upwards excessive, sampling probe plectrum (41)
It excessively oppresses detection switch (5) and damages detection switch (5).
3. sample needle anticollision mechanism according to claim 2, which is characterized in that the sampling probe plectrum (41) includes bottom plate
(411), and the riser (412) positioned at bottom plate (411) side, riser (412) top are away from detection switch (5) side
Inclined inclined-plane or cambered surface.
4. sample needle anticollision mechanism according to claim 3, which is characterized in that the mounting elastic sheet (7) is U-shaped, installation
The side (71) of elastic slice (7) is passed through by two guide posts (2) respectively.
5. sample needle anticollision mechanism according to claim 4, which is characterized in that the side (71) of the mounting elastic sheet (7)
End be the alice being upturned.
6. sample needle anticollision mechanism according to claim 5, which is characterized in that the bottom surface (12) is had by centre to be lacked
Mouthful notch plate (121) and there is the convex plate (122) that can extend into notch plate (121) indentation, there to be spliced sampling probe plectrum
(41) mounting groove (413) away from (412) one side opening of riser is formed on.
7. sample needle anticollision mechanism according to claim 6, which is characterized in that the notch plate (121) and convex plate
(122) it is fixed between by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775706.9U CN208283413U (en) | 2018-05-23 | 2018-05-23 | A kind of sample needle anticollision mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775706.9U CN208283413U (en) | 2018-05-23 | 2018-05-23 | A kind of sample needle anticollision mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208283413U true CN208283413U (en) | 2018-12-25 |
Family
ID=64729368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820775706.9U Active CN208283413U (en) | 2018-05-23 | 2018-05-23 | A kind of sample needle anticollision mechanism |
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| CN (1) | CN208283413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223166A1 (en) * | 2018-05-23 | 2019-11-28 | 苏州长光华医生物医学工程有限公司 | Sample loading needle collision-avoidance mechanism |
-
2018
- 2018-05-23 CN CN201820775706.9U patent/CN208283413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223166A1 (en) * | 2018-05-23 | 2019-11-28 | 苏州长光华医生物医学工程有限公司 | Sample loading needle collision-avoidance mechanism |
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