CN204462176U - A kind of crashproof sample needle - Google Patents
A kind of crashproof sample needle Download PDFInfo
- Publication number
- CN204462176U CN204462176U CN201420856012.XU CN201420856012U CN204462176U CN 204462176 U CN204462176 U CN 204462176U CN 201420856012 U CN201420856012 U CN 201420856012U CN 204462176 U CN204462176 U CN 204462176U
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- sample needle
- spring
- base plate
- mounting seat
- crashproof
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Abstract
The utility model discloses a kind of crashproof sample needle, it has base plate (1) and lid (2), there are spring mounting seat (3) and optoelectronic switch (4) in base plate front end, base plate has needle outlet in the position at spring mounting seat center, sample needle (5) is divided into vertical section and horizontal segment, vertical section is stretched out downwards by needle outlet, horizontal segment is placed in above base plate, sample needle tail end connects outside air pump by flexible pipe (6), vertical section is fixed a spring bottom plate (7) be placed in spring mounting seat, spring mounting seat end face has spring bumper cover (8), spring (9) is had between spring bottom plate and spring bumper cover, horizontal segment there is shielding plate (10), shielding plate is placed between the transmitting terminal of optoelectronic switch and receiving end.The utility model can send alerting signal to controller when moving down as encountered barrier, and gear train stops action, thus protection sample needle and equipment; There is the advantage that structure is simple, reliable simultaneously.
Description
Technical field
The utility model relates to sample needle, particularly relates to a kind ofly to encounter barrier when moving and can send and report to the police and crashproof sample needle automatically out of service.
Background technology
When doing chemical analysis experiment, detecting, usually need sample and reagent to be filled in experimental ware to react, in analytical train, the filling of sample and reagent relies on sample needle automatically to carry out application of sample.The motion of existing sample needle is controlled by controller, carries out moving up and down and left rotation and right rotation, and when encountering barrier, unprotect measure very easily damages sample needle and equipment.So develop a kind of move time encounter barrier can send report to the police and crashproof sample needle automatically out of service become the technical matters needing in the industry solution badly.
Utility model content
The utility model is the problems referred to above that will solve prior art, proposes a kind ofly to encounter barrier when moving and can send and report to the police and crashproof sample needle automatically out of service.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is a kind of crashproof sample needle of design, that it has a strip and horizontally disposed base plate and the lid be fastened on base plate, the top of described base plate front end is provided with a spring mounting seat, inside spring mounting seat direction base plate on be provided with the optoelectronic switch of an electric connection peripheral control unit, described base plate has a needle outlet in the position being positioned at spring mounting seat center, also comprise the sample needle of a bending, sample needle is divided into vertical section and horizontal segment, described sample needle vertical section is stretched out downwards by pin hole, described sample needle horizontal segment is placed in above base plate, the tail end of described sample needle horizontal segment is connected with flexible pipe, flexible pipe is stretched out by base plate rear end and is connected with the air pump of outside, described sample needle vertical section fixes a spring bottom plate, spring bottom plate is placed in the cavity of described spring mounting seat, spring mounting seat end face is provided with one piece of spring bumper cover, spring is provided with between spring bottom plate and spring bumper cover, described horizontal segment is fixed a slice shielding plate, between the transmitting terminal that this shielding plate is placed in described optoelectronic switch and receiving end.
Described spring housing is in described sample needle vertical section periphery.
The rear end of described base plate is provided with a pillar mounting hole, and the male thread portion on pillar top stretches out by pillar mounting hole, and base plate is fixed on post top portion by mounting nuts.
Described pillar adopts hollow tube, and the electric wire of described flexible pipe and optoelectronic switch is drawn by the cavity of pillar.
Described base plate is provided with one piece in order to install the photoelectricity installing plate of described optoelectronic switch, and photoelectricity installing plate upper surface is concordant with the top of described pillar.
Described spring mounting seat is square tube type, and described spring bottom plate is square thin slice.
The utility model can move up and down and left rotation and right rotation under the driving of gear train, can send alerting signal when moving down as encountered barrier to controller, and controller controls gear train and stops action, thus protection sample needle and equipment; The utility model also has simple, the reliable advantage of structure.
Accompanying drawing explanation
Fig. 1 is the utility model preferred embodiment explosive decomposition view;
Fig. 2 is the utility model preferred embodiment spring fitting storehouse inside top figure;
Fig. 3 is the outside vertical view in the utility model preferred embodiment spring fitting storehouse;
Fig. 4 is the utility model preferred embodiment three-dimensional view.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
The utility model discloses a kind of crashproof sample needle, and Fig. 1 to Fig. 4 respectively illustrates explosive decomposition figure, spring fitting storehouse inside top figure, the outside vertical view in spring fitting storehouse and three-dimensional view.That it has a strip and horizontally disposed base plate 1 and the lid 2 be fastened on base plate.Base plate 1 and lid 2 fasten rear formation cantilever.Sample needle hanging in the front end of cantilever, and is subject to cantilever and orders about and move up and down and left rotation and right rotation.A spring mounting seat 3 is provided with above base plate front end, inside spring mounting seat direction base plate on be provided with the optoelectronic switch 4 of an electric connection peripheral control unit, described base plate has a needle outlet in the position being positioned at spring mounting seat center, also comprise the sample needle 5 of a bending, sample needle is divided into vertical section and horizontal segment, described sample needle vertical section is by stretching out downwards in pin hole to utilize application of sample to operate, described sample needle horizontal segment is placed in above base plate, the tail end of described sample needle horizontal segment is connected with flexible pipe 6, flexible pipe is stretched out by base plate rear end and is connected with the air pump of outside.When sample needle needs to suck liquid, air pump receives controller instruction and produces negative pressure, and sample needle sucks liquid; When sample needle needs ejection liquid, air pump receives controller instruction and produces malleation, sample needle ejection liquid.It may be noted that described air pump can be the one group of air valve connecting positive and negative air-pressure.Described sample needle vertical section fixes a spring bottom plate 7, spring bottom plate is placed in the cavity of described spring mounting seat, spring mounting seat end face is provided with one piece of spring bumper cover 8, spring 9 is provided with between spring bottom plate and spring bumper cover, described horizontal segment is fixed a slice shielding plate 10, between the transmitting terminal that this shielding plate is placed in described optoelectronic switch and receiving end.When sample needle 5 move down encounter barrier time, sample needle 5 upwards lifts, and shielding plate 10 leaves optoelectronic switch; the light direct projection receiving end of transmitting terminal; optoelectronic switch is triggered to controller and sends alerting signal, and controller controls gear train and stops action, thus protection sample needle and equipment.After barrier removes, sample needle 5 moves down and returns to initial position under the effect of spring 9, and shielding plate 10 is multiple to be inserted in again between the transmitting terminal of optoelectronic switch and receiving end, and optoelectronic switch sends the signal representing that barrier has removed to controller.
Referring to the preferred embodiment shown in Fig. 1, described spring 9 is enclosed within described sample needle 5 vertical section periphery.Such spring stress is even, and spring can not be shifted.
In the preferred embodiment, the rear end of base plate 1 is provided with a pillar mounting hole, and the male thread portion on pillar 11 top stretches out by pillar mounting hole, and base plate is fixed on post top portion by mounting nuts 12.Pillar 11 left rotation and right rotation or move up and down under the driving of gear train, namely sample needle is driven left-right rotation or moves up and down.
In the preferred embodiment, described pillar 11 adopts hollow tube, and lid 2 and base plate 1 fasten rear complete appearance, and the electric wire of described flexible pipe 6 and optoelectronic switch 4 is drawn by the cavity of pillar.
In the preferred embodiment, described base plate 1 is provided with one piece in order to install the photoelectricity installing plate 13 of described optoelectronic switch 4, and photoelectricity installing plate upper surface is concordant with the top of described pillar 11.In Fig. 1 and Fig. 3, icon 14 indication part is by packing ring padded for photoelectricity installing plate 13.
Referring to the preferred embodiment shown in Fig. 1, described spring mounting seat 3 is square tube type, and described spring bottom plate 7 is square thin slice.
Above embodiment is only and illustrates, non-ly provides constraints.Anyly do not depart from the application's spirit and category, and to its equivalent modifications of carrying out or change, among the right that all should be contained in the application.
Claims (6)
1. a crashproof sample needle, it is characterized in that: have strip and horizontally disposed base plate (1) and the lid (2) that is fastened on base plate, the top of described base plate front end is provided with a spring mounting seat (3), inside spring mounting seat direction base plate on be provided with the optoelectronic switch (4) of an electric connection peripheral control unit, described base plate has a needle outlet in the position being positioned at spring mounting seat center, also comprise the sample needle (5) of a bending, sample needle is divided into vertical section and horizontal segment, described sample needle vertical section is stretched out downwards by pin hole, described sample needle horizontal segment is placed in above base plate, the tail end of described sample needle horizontal segment is connected with flexible pipe (6), flexible pipe is stretched out by base plate rear end and is connected with the air pump of outside, described sample needle vertical section is fixed a spring bottom plate (7), spring bottom plate is placed in the cavity of described spring mounting seat, spring mounting seat end face is provided with one piece of spring bumper cover (8), spring (9) is provided with between spring bottom plate and spring bumper cover, described horizontal segment is fixed a slice shielding plate (10), between the transmitting terminal that this shielding plate is placed in described optoelectronic switch and receiving end.
2. crashproof sample needle as claimed in claim 1, is characterized in that: described spring (9) is enclosed within described sample needle (5) vertical section periphery.
3. crashproof sample needle as claimed in claim 2, it is characterized in that: the rear end of described base plate (1) is provided with a pillar mounting hole, the male thread portion on pillar (11) top stretches out by pillar mounting hole, and base plate is fixed on post top portion by mounting nuts (12).
4. crashproof sample needle as claimed in claim 3, is characterized in that: described pillar (11) adopts hollow tube, and the electric wire of described flexible pipe (6) and optoelectronic switch (4) is drawn by the cavity of pillar.
5. crashproof sample needle as claimed in claim 4, is characterized in that: described base plate (1) is provided with one piece in order to install the photoelectricity installing plate (13) of described optoelectronic switch (4), and photoelectricity installing plate upper surface is concordant with the top of described pillar (11).
6. crashproof sample needle as claimed in claim 5, is characterized in that: described spring mounting seat (3) is square tube type, and described spring bottom plate (7) is square thin slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856012.XU CN204462176U (en) | 2014-12-30 | 2014-12-30 | A kind of crashproof sample needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856012.XU CN204462176U (en) | 2014-12-30 | 2014-12-30 | A kind of crashproof sample needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462176U true CN204462176U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856012.XU Active CN204462176U (en) | 2014-12-30 | 2014-12-30 | A kind of crashproof sample needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462176U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866452A (en) * | 2016-05-24 | 2016-08-17 | 湖南迪赛生物科技有限公司 | Multi-channel dry type immunofluorescence detector |
| CN106443042A (en) * | 2016-10-26 | 2017-02-22 | 安图实验仪器(郑州)有限公司 | Folding type sample adding arm suitable for sample adding device |
| CN106424061A (en) * | 2016-09-30 | 2017-02-22 | 苏州长光华医生物医学工程有限公司 | Magnetic separation cleaning needle structure |
| CN107748269A (en) * | 2017-11-06 | 2018-03-02 | 泰州泽成生物技术有限公司 | Automatic alarm and recovery device after a kind of novel sample application pin hits |
| CN108490205A (en) * | 2018-04-10 | 2018-09-04 | 深圳市博辰智控有限公司 | A kind of microwell plate sample adding system and method |
| CN113341165A (en) * | 2021-08-09 | 2021-09-03 | 苏州长光华医生物医学工程有限公司 | Light-avoiding mechanism of measuring chamber motion module |
| CN113711050A (en) * | 2019-05-20 | 2021-11-26 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and liquid suction control method |
-
2014
- 2014-12-30 CN CN201420856012.XU patent/CN204462176U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866452A (en) * | 2016-05-24 | 2016-08-17 | 湖南迪赛生物科技有限公司 | Multi-channel dry type immunofluorescence detector |
| CN106424061A (en) * | 2016-09-30 | 2017-02-22 | 苏州长光华医生物医学工程有限公司 | Magnetic separation cleaning needle structure |
| CN106443042A (en) * | 2016-10-26 | 2017-02-22 | 安图实验仪器(郑州)有限公司 | Folding type sample adding arm suitable for sample adding device |
| CN106443042B (en) * | 2016-10-26 | 2018-10-12 | 安图实验仪器(郑州)有限公司 | Folded form sample arm suitable for sample adding device |
| CN107748269A (en) * | 2017-11-06 | 2018-03-02 | 泰州泽成生物技术有限公司 | Automatic alarm and recovery device after a kind of novel sample application pin hits |
| CN108490205A (en) * | 2018-04-10 | 2018-09-04 | 深圳市博辰智控有限公司 | A kind of microwell plate sample adding system and method |
| CN113711050A (en) * | 2019-05-20 | 2021-11-26 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and liquid suction control method |
| CN113341165A (en) * | 2021-08-09 | 2021-09-03 | 苏州长光华医生物医学工程有限公司 | Light-avoiding mechanism of measuring chamber motion module |
| CN113341165B (en) * | 2021-08-09 | 2021-11-05 | 苏州长光华医生物医学工程有限公司 | Light-avoiding mechanism of measuring chamber motion module |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |