CN106044675B - A kind of test tube uncapping method - Google Patents
A kind of test tube uncapping method Download PDFInfo
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- CN106044675B CN106044675B CN201610619495.5A CN201610619495A CN106044675B CN 106044675 B CN106044675 B CN 106044675B CN 201610619495 A CN201610619495 A CN 201610619495A CN 106044675 B CN106044675 B CN 106044675B
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- Prior art keywords
- test tube
- pawl
- cap
- leading screw
- cover board
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Opening Bottles Or Cans (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The present invention provides a kind of test tube uncapping method, is removed for realizing cap test tube and test tube cap returns two courses of work, realized using test tube uncapping mechanism.Test tube uncapping method according to the present invention, the clamping for solving the problems, such as cap test tube clamp cap test tube in the case where reducing to cap test tube application external force.Meanwhile, it is capable to realize during removing cap test tube, cap test tube rises to be rotated and cap test tube covers back the function of test tube, compatible different height test tube and cap test tube again simultaneously.
Description
Technical field
The present invention relates to a kind of test tube uncapping methods, belong to medical instruments field.
Background technology
Medical blood taking pipe is usually vacuum blood collection tube at present, and blood sampling function is realized by negative pressure.In clinical examination instrument pair
Blood sample carries out in analytic process, generally uses following two modes：
1. removing cap test tube in advance, blood sample extraction is carried out using disposable plastic syringe needle；
2. using hard needles such as draw points, runs through cap test tube, realize the extraction of blood sample.
In second of solution, which need to be used for multiple times, and in order to avoid the cross contamination between sample, need to carry
For additional sampling probe wiper mechanism.Therefore, using first way, i.e., cap test tube is removed in advance, using disposable plastic needle
Head carries out blood sample extraction.Since heparin tube is worked by negative pressure, cap test tube generally is being clamped, is removing the mistake of cap test tube upwards
Cheng Zhong, it is desirable to cap test tube can be made to remove process more smoothly with Spin tubes cap.Meanwhile it in order to avoid sample contamination, sampling
After needle sampling, need to return test tube cap.
Have relevant test tube in the prior art and take cap device, as patent document 1 (CN105197859A) discloses one kind
Pipe cap automatically turns on retracting device, and referring to attached drawing 4, which includes mainly that cap test tube unlatching and cap test tube recycle two parts
Function.Cap test tube open function mainly synchronizes close or synchronizes separate clamp arm by (can be along first straight line guide rail direction)
And pull out cap device 53 and longitudinal moving mechanism (first driving means 52) realization.It synchronizes and leans on by (can be along first straight line guide rail direction)
Function that is close or synchronizing separate clamp arm realization manipulator, completes test tube clamping and release.Cap device 53 is pulled out by surface
Annular knurl processing increases and cap test tube direct friction power, completion cap test tube open function.Cap test tube recycles function mainly by (along the
Two the linear guides) the transverse shifting frame 51 that moves left and right makes to pull out cap means 50 to be moved to and unloads cap fork 70, in zigzag tread patterns power (
One driving device 52) and unload under 70 collective effect of cap fork, so that cap test tube is fallen into cap test tube retracting device 12.
However, there are many deficiencies for the above-mentioned prior art, wherein during removing cap test tube (pulling out cap), do not rotate
Action, removing action have some setbacks, and have the risk of spluttering for blood sample.Cap device is pulled out using insertion cap test tube center, and
It is attached by frictional force, which contacts with blood, is not suitable for the workplace that cap test tube need to cover go back to.Meanwhile it needing
At least three driving devices, test tube clamping device are wanted to pull out cap device horizontal mobile mechanism and longitudinal moving mechanism.It is only applicable to
The test tube of single height dimension, for different height test tube without solution.With regard to current functional requirement, need to open in cap test tube
It opens, after sampling, covers back cap test tube, said program functional requirement relatively difficult to achieve.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of test tube uncapping method is provided, is used
In the clamping for solving the problems, such as cap test tube cap test tube is clamped in the case where reducing to cap test tube application external force.Meanwhile, it is capable to real
During removing cap test tube now, cap test tube rises to be rotated and cap test tube covers back the function of test tube again simultaneously, it is compatible not
With height test tube and cap test tube.
To achieve the above object, the present invention provides the following technical solutions：
A kind of test tube uncapping method, removes for realizing cap test tube and test tube cap returns two courses of work, using test tube
Mechanism of raising one's hat realizes that the test tube uncapping mechanism includes：Pawl, button, cover board chamber (also referred to as pawl operating member), adapter cavity, linear motor,
Motor leading screw, support metal plate, Upper gasket, pawl sealing plate, pawl fixed plate, hook, rebound, lower gasket, the first compressed spring, leading screw spiral shell
Female, the second compressed spring.
Further, the test tube uncapping mechanism is integrally divided into upper, middle, and lower part structure, and middle and upper part is support metal plate
Gold, middle part are adapter cavity, lower part is cover board chamber.
Further, support metal plate is integrally formed rectangular accommodation space, internal to have linear motor, motor
Leading screw and Upper gasket.
Further, adapter cavity is square case type structures, is encapsulated by rebound, internal to have accommodation space, is accommodated down
The lower part of gasket, the first compressed spring, feed screw nut and motor leading screw.
Further, cover board chamber is the square case type structures of lower open, is encapsulated by pawl sealing plate, internal to have receiving empty
Between, accommodate pawl fixed plate, hook and the second compressed spring.
Further, pawl fixed plate lower removable is connected with pawl, and button is provided on the outside of pawl.
Further, the course of work that cap test tube removes includes the following steps：
Step 1：Linear motor control motor leading screw moves downward, and adapter cavity, cover board chamber and its internal structure are with motor silk
Thick stick is run down simultaneously；
Step 2：Cap test tube is contacted with pawl bottom, and the second compressed spring is made to compress, and with cover board chamber relative motion occurs for pawl,
Under the guiding role of button, retract into cover board chamber cavity；
Step 3：Second compressed spring is compressed to extreme position, and the folder to cap test tube is realized in linear motor stop motion
It holds；
Step 4：Linear motor control motor leading screw moves upwards, in the process, by the fish shape slot of pawl fixed plate with
Hook collective effect, makes pawl be kept closed；
Step 5：Adapter cavity, cover board chamber and its internal structure are produced under the outer force effect of pawl and cap test tube with motor leading screw
Raw relative motion, by the effect of feed screw nut, adapter cavity, cover board chamber and its internal structure, pawl and cap test tube rotate, together
When the first compressed spring compress, apply upward power to cap test tube, finally remove cap test tube；
Step 6：Linear motor control motor leading screw moves up to extreme higher position, completes the action that cap test tube removes.
Further, the course of work that test tube cap returns includes the following steps：
Step 1：Linear motor control motor leading screw moves downward, and adapter cavity, cover board chamber and its internal structure are integrally downward
Operation；
Step 2：Test tube is contacted with cap test tube, again compresses the second compressed spring, and the second compressed spring is compressed to the limit
Position, linear motor stop motion, pawl unlock；
Step 3：Linear motor control motor leading screw moves upwards, in the process, by the fish shape slot of pawl fixed plate with
Hook collective effect, makes nail-press shift to open state；
Step 4：Pawl is moved to outside the chamber of cover board chamber, discharges cap test tube；
Step 5：Linear motor control motor leading screw moves up to extreme higher position, completes the action that test tube cap returns.
Description of the drawings
Fig. 1 is the test tube uncapping mechanism decomposition texture schematic diagram of the present invention.
Fig. 2 is the test tube uncapping mechanism front view of the present invention.
Fig. 3 is the pawl fixed plate schematic diagram of the present invention.
Fig. 4 is the schematic diagram that prior art cap test tube automatically turns on retracting device.
(pay attention to：Shown structure in attached drawing simply to illustrate that feature of present invention signal, be not intended to according to attached drawing institute
Show structure.
Specific implementation mode
As shown in Figure 1, test tube uncapping mechanism according to the present invention, including：Pawl 1, button 2, cover board chamber 3, adapter cavity 4,
Linear motor 5, motor leading screw 6, support metal plate 7, Upper gasket 8, pawl sealing plate 9, pawl fixed plate 10, hook 11, rebound 12, lower gasket
13, the first compressed spring 14, feed screw nut 15, the second compressed spring 16.
Wherein, test tube uncapping mechanism has support metal plate 7, is integrally formed rectangular accommodation space.In the receiving
Linear motor 5 is arranged in the lower part in space, and the bottom end of linear motor 5 is fixed on four fasteners on the bottom surface of support metal plate 7,
For driving motor leading screw 6.
There is 6 upper end of motor leading screw Upper gasket 8, lower part lower gasket 13 is arranged.Wherein Upper gasket 8 is strip structure,
One end is fixed on 6 upper end of motor leading screw.Also, there is an elongated fluting on the front panel of support metal plate 7, Upper gasket 8
The other end can be stretched out from the elongated fluting, and can be moved up and down in the elongated fluting.
As shown in Fig. 2, the lower semisection of motor leading screw 6 is extended downwardly from the accommodation space of support metal plate 7, in straight line
Action process is realized under the driving of motor 5.
Further, it is adapter cavity 4 in the lower part of support 7 structure of metal plate.The adapter cavity 4 is square case type structures, in
Portion has accommodation space, the bottom plate of the tops of square case type structures against support metal plate 7.There is feed screw nut in the accommodation space
15, the first compressed spring 14 and the lower gasket 13.Wherein, feed screw nut 15 is drum-like shape, is located at the receiving of the adapter cavity 4
Top of space, and pass through the top of the two fastener side of being fixed on case type structures.15 lower part of feed screw nut abuts the first compression bullet
The lower end of the upper end of spring 14, the first compressed spring 14 abuts lower gasket 13.Appearance of the lower semisection of motor leading screw 6 from support metal plate 7
It receives and sequentially passes through the feed screw nut 15, the first compressed spring 14 and the lower gasket 13 after stretching out in space.
Also, in the positive surrounding of 4 side's case type structures of adapter cavity there is connecting hole, a rectangular rebound 12 to pass through fastening
Part and the connecting hole of square case type structures surrounding fasten, to encapsulate adapter cavity 4.
It is cover board chamber 3 in the lower part of adapter cavity 4, the cover board chamber 3 is also square case type structures, internal empty with accommodating
Between, but its underpart is open architecture.There is pawl fixed plate 10, hook 11 and the second compressed spring 16 in the accommodation space.Wherein,
Hook 11 be similar to bracket "【" shape structure, two foot section is perpendicular to the direction of the backboard of cover board chamber 3, wherein upper end
It in the fixed mounting hole of an embedded backboard upper process, and can be rotated in fixed mounting hole, lower end is located at the fish of pawl fixed plate 10
In shape slot, and it can be moved in the fish shape slot.And the second compressed spring 16 is arranged in the pawl fixed plate 10.
Further, as shown in figure 3, the main body leftward position of the pawl fixed plate 10 is provided with fish shape slot, right lateral position
It sets with spring fixed column, the lower part for fixing the second compressed spring 16.Its underpart each side has solid there are one being used for
The mounting post for determining pawl 1 is a fixed block among two mounting posts.Wherein, fixed block is located at the outside of cover board chamber 3.
Also, there is the positive surrounding of the cover board chamber 3 connecting hole, a rectangular pawl sealing plate 9 to pass through fastener and square box type
The connecting hole of structure surrounding fastens, to encapsulation cover plate chamber 3.There are two the mounting posts protruded for the back side tool of pawl sealing plate 9, for pacifying
Fill button 2.After pawl sealing plate 9 is encapsulated into cover board chamber 3, you can two buttons 2 are installed by the mounting post of described two protrusions.
In addition, having a certain distance between cover board chamber 3 and adapter cavity 4, the two is connected by a connecting plate of the left and right sides
It connects.The connecting plate is connected with cover board chamber 3 and adapter cavity 4 respectively by fastener.
The pawl 1 is set in 3 lower part of cover board chamber, the pawl 1 includes the pawl structure of two symmetrical configurations, and the pawl 1 is L-shaped
There is the mounting hole being connect with the fixed column in pawl fixed plate 10, bottom to surround a circle hole shape structure for structure, top, should
Circle hole shape structure is conducive to the crawl of test tube.
Above description is according to the test tube uncapping mechanism of the present invention, from the above description, it can be seen that test tube of the present invention
Mechanism of raising one's hat can realize following action process：
(1) course of work that cap test tube removes：
Linear motor 5 controls motor leading screw 6 and moves downward, and adapter cavity 4, cover board chamber 3 and its internal structure are with motor leading screw 6
It runs down simultaneously.Cap test tube is contacted with 1 bottom of pawl, and the second compressed spring 16 is made to compress, and with cover board chamber 3 opposite transport occurs for pawl 1
It is dynamic, under the guiding role of button 2, retract into 3 cavity of cover board chamber.Spring-compressed to extreme position, linear motor 5 stops fortune
It is dynamic, realize the clamping to cap test tube.
Linear motor 5 controls motor leading screw 6 and moves upwards, and in the process, passes through the fish shape slot and hook of pawl fixed plate 10
11 collective effects make pawl 1 be kept closed.The outer masterpiece of adapter cavity 4, cover board chamber 3 and its internal structure in pawl 1 and cap test tube
Under, relative motion is generated with motor leading screw 6, passes through the effect of feed screw nut 15, adapter cavity 4, cover board chamber 3 and its internal junction
Structure, pawl and cap test tube rotate, while the first compressed spring 14 is compressed, and applies upward power to cap test tube, final to move
Except cap test tube.Linear motor 5 controls motor leading screw 6 and moves up to extreme higher position, completes the action that cap test tube removes.
(2) course of work that test tube cap returns：
Linear motor 5 controls motor leading screw 6 and moves downward, and adapter cavity, cover board chamber and its internal structure are integrally run down.
Test tube is contacted with cap test tube, again compresses the second compressed spring 16, and spring-compressed to extreme position, linear motor 5 stops fortune
Dynamic, pawl 1 unlocks.Linear motor 5 controls motor leading screw 6 and moves upwards, in the process, by the fish shape slot of pawl fixed plate 10 with
11 collective effect of hook, makes pawl 1 switch to open state.Pawl 1 is moved to outside the chamber of cover board chamber 3, discharges cap test tube.
Linear motor 5 controls motor leading screw 6 and moves up to extreme higher position, completes the action that test tube cap returns.
In conclusion test tube uncapping mechanism according to the present invention has the advantages that：
(1) clamping for solving the problems, such as cap test tube clamps cap test tube in the case where reducing to cap test tube application external force；
(2) it realizes during removing cap test tube, cap test tube rises while the function of rotation；
(3) realize that cap test tube covers back test tube function again；
(4) compatible different height test tube and cap test tube.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made by within the spirit and principles in the present invention etc. should be included in the protection of the present invention
Within the scope of.
Claims (1)
1. a kind of test tube uncapping method, removes for realizing cap test tube and test tube cap returns two courses of work, it is characterised in that：
It is realized using test tube uncapping mechanism, the test tube uncapping mechanism includes：Pawl (1), button (2), cover board chamber (3), adapter cavity
(4), linear motor (5), motor leading screw (6), support metal plate (7), Upper gasket (8), pawl sealing plate (9), pawl fixed plate (10), hook
(11), rebound (12), lower gasket (13), the first compressed spring (14), feed screw nut (15), the second compressed spring (16)；
The test tube uncapping mechanism is integrally divided into upper, middle, and lower part structure, and middle and upper part is support metal plate (7), middle part was
Cross chamber (4), lower part is cover board chamber (3)；
Support metal plate (7) is integrally formed rectangular accommodation space, internal to have linear motor (5), motor leading screw
(6) and Upper gasket (8)；
Adapter cavity (4) is square case type structures, is encapsulated by rebound (12), internal to have accommodation space, accommodates lower gasket
(13), the first compressed spring (14), feed screw nut (15) and motor leading screw (6) lower part；
Cover board chamber (3) is the square case type structures of lower open, is encapsulated by pawl sealing plate (9), internal to have accommodation space, is accommodated
Pawl fixed plate (10), hook (11) and the second compressed spring (16)；
Pawl fixed plate (10) lower removable is connected with pawl (1), and button (2) is provided on the outside of pawl (1)；
The course of work that cap test tube removes includes the following steps：
Step 1：Linear motor (5) control motor leading screw (6) moves downward, adapter cavity (4), cover board chamber (3) and its internal structure
It is run down simultaneously with motor leading screw (6)；
Step 2：Cap test tube is contacted with pawl (1) bottom, and the second compressed spring (16) is made to compress, and pawl (1) occurs with cover board chamber (3)
Relative motion retracts under the guiding role of button (2) in cover board chamber (3) cavity；
Step 3：Second compressed spring (16) is compressed to extreme position, and linear motor (5) stop motion is realized to cap test tube
Clamping；
Step 4：Linear motor (5) control motor leading screw (6) moves upwards, and in the process, passes through the fish of pawl fixed plate (10)
Shape slot and hook (11) collective effect, make pawl (1) be kept closed；
Step 5：Adapter cavity (4), cover board chamber (3) and its internal structure are under the outer force effect of pawl (1) and cap test tube, with motor
Leading screw (6) generates relative motion, passes through the effect of feed screw nut (15), adapter cavity (4), cover board chamber (3) and its internal structure, pawl
(1) and cap test tube rotates, while the first compressed spring (14) is compressed, and applies upward power to cap test tube, final to move
Except cap test tube；
Step 6：Linear motor (5) control motor leading screw (6) moves up to extreme higher position, completes the action that cap test tube removes；
The course of work that test tube cap returns includes the following steps：
Step 1：Linear motor (5) control motor leading screw (6) moves downward, adapter cavity (4), cover board chamber (3) and its internal structure
Entirety is run down；
Step 2：Test tube is contacted with cap test tube, again compresses the second compressed spring (16), and the second compressed spring (16) is compressed to
Extreme position, linear motor (5) stop motion, pawl (1) unlock；
Step 3：Linear motor (5) control motor leading screw (6) moves upwards, and in the process, passes through the fish of pawl fixed plate (10)
Shape slot and hook (11) collective effect, make pawl (1) switch to open state；
Step 4：Pawl (1) is moved to outside the chamber of cover board chamber (3), discharges cap test tube；
Step 5：Linear motor (5) control motor leading screw (6) moves up to extreme higher position, completes the action that test tube cap returns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619495.5A CN106044675B (en) | 2016-08-01 | 2016-08-01 | A kind of test tube uncapping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619495.5A CN106044675B (en) | 2016-08-01 | 2016-08-01 | A kind of test tube uncapping method |
Publications (2)
| Publication Number | Publication Date |
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| CN106044675A CN106044675A (en) | 2016-10-26 |
| CN106044675B true CN106044675B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610619495.5A Active CN106044675B (en) | 2016-08-01 | 2016-08-01 | A kind of test tube uncapping method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217555B (en) * | 2017-12-27 | 2019-09-13 | 迪瑞医疗科技股份有限公司 | A kind of hood-opening device of sample container |
| CN110450181A (en) * | 2019-09-04 | 2019-11-15 | 北京诚益通控制工程科技股份有限公司 | A kind of automatic sampling machinery hand |
| CN110794158A (en) * | 2019-09-27 | 2020-02-14 | 广州万孚生物技术股份有限公司 | In-vitro diagnosis analyzer, automatic sampling device and automatic sampling method |
| CN111661799B (en) * | 2020-07-01 | 2021-07-27 | 北京美联泰科生物技术有限公司 | Uncapping mechanism |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3225760B2 (en) * | 1994-11-14 | 2001-11-05 | 株式会社新潟鉄工所 | Lid removal device |
| JP2005075395A (en) * | 2003-08-29 | 2005-03-24 | Teruaki Ito | Test tube plug remover |
| JP4210306B2 (en) * | 2007-01-15 | 2009-01-14 | 株式会社アイディエス | Test tube automatic opening device |
| CN101665228B (en) * | 2009-09-10 | 2012-05-09 | 杭州中亚机械有限公司 | Capping device and capping system used in bottle filling equipment |
| CN202245978U (en) * | 2011-09-22 | 2012-05-30 | 汕头大学医学院第一附属医院 | Device for removing test tube cap |
| CN203284180U (en) * | 2013-05-27 | 2013-11-13 | 无锡特可思电器制造有限公司 | Removing device for test tube cap |
| CN203667965U (en) * | 2014-02-12 | 2014-06-25 | 亓贯和 | Blood collecting tube opening device for blood detection |
| CN204057921U (en) * | 2014-06-24 | 2014-12-31 | 天津海迈医用科技有限公司 | A kind of heparin tube single tube drives cap machine automatically |
| CN105197859B (en) * | 2015-09-28 | 2017-07-28 | 迪瑞医疗科技股份有限公司 | A kind of cap test tube automatically turns on retracting device |
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2016
- 2016-08-01 CN CN201610619495.5A patent/CN106044675B/en active Active
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| CN106044675A (en) | 2016-10-26 |
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