CN107051602A - Preposition suction gun - Google Patents

Preposition suction gun Download PDF

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Publication number
CN107051602A
CN107051602A CN201710406120.5A CN201710406120A CN107051602A CN 107051602 A CN107051602 A CN 107051602A CN 201710406120 A CN201710406120 A CN 201710406120A CN 107051602 A CN107051602 A CN 107051602A
Authority
CN
China
Prior art keywords
imbibition
central siphon
beam barrel
outer beam
servo
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
Application number
CN201710406120.5A
Other languages
Chinese (zh)
Inventor
包艳伟
马墨
薛博夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Gangke Deep Research Biotechnology Co Ltd
Original Assignee
Shenzhen Gangke Deep Research Biotechnology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Gangke Deep Research Biotechnology Co Ltd filed Critical Shenzhen Gangke Deep Research Biotechnology Co Ltd
Priority to CN201710406120.5A priority Critical patent/CN107051602A/en
Publication of CN107051602A publication Critical patent/CN107051602A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The present invention relates to biochemical test technical field, more particularly to a kind of preposition suction gun.Outer beam barrel, the outer beam barrel interior axle is provided with the receiving opening for accommodating the imbibition central siphon to direction;Lift component, lifting component includes being arranged at the pulling part on the outside of the outer beam barrel and the servo-actuated portion being arranged on the imbibition central siphon, outer shaft side wall, which is provided with, can pass through the lifting through hole of the pulling part, and one end that pulling part is arranged in the outer beam barrel is connected with the servo-actuated portion and the servo-actuated portion, imbibition central siphon can be driven to move up;The lower end of the imbibition central siphon can stretch out or retraction described in outer beam barrel.The present invention sets lifting component that imbibition central siphon can be driven to lift upwards, because imbibition central siphon stretches out the suction nozzle that is arranged of one end of outer barrel axle, and diameter of the diameter more than the receiving opening of outer barrel axle of suction nozzle;Imbibition central siphon can be made to be separated with suction nozzle, and then can effectively realize that experimenter's one hand just being capable of quick-replaceable suction nozzle, raising replacing efficiency.

Description

Preposition suction gun
Technical field
The present invention relates to attractor technical field, more particularly to a kind of preposition suction gun.
Background technology
, it is necessary to when the liquid in vessel is all suctioned out in biochemical test, it is common practice that matched somebody with somebody using manual attractor Disposable tip is closed, the vessel of each sample are attracted, and when attracting next vessel every time, it is necessary to a hand The end of attractor is held, another hand pulls out away a upper suction nozzle and inserts a new suction nozzle again again, to ensure sample room not Cross pollution can be carried out.
The sucking head of attractor is in negative pressure state, and such atmospheric pressure will squeeze the material outside sucking head to sucking head Pressure, the pressure differential of central generation can complete the effect " attracted ".
But existing most of single channel negative-pressure suction lead devices are required for bimanualness, and attractor is held in a hand Need another hand to change suction nozzle, the excessively tediously long efficiency for reducing laboratory staff of overall process simultaneously.
Therefore, a kind of attractor how is proposed, can solve the problem that one hand of experimenter holds attractor in the prior art Need another hand to change suction nozzle simultaneously, be those skilled in the art's technical issues that need to address.
The content of the invention
It is an object of the invention to propose a kind of preposition suction gun, the replacing suction nozzle process that prior art is present can solve the problem that Time length, the replacing low problem of efficiency.
For up to this purpose, the present invention uses following technical scheme:
A kind of preposition suction gun is provided, including:
Imbibition central siphon;
Outer beam barrel, the outer beam barrel interior axle is provided with the receiving opening for accommodating the imbibition central siphon to direction;
Component is lifted, the lifting component includes being arranged at the pulling part on the outside of the outer beam barrel and is arranged at the suction Servo-actuated portion on liquid central siphon, the outer shaft side wall, which is provided with, can pass through the lifting through hole of the pulling part, the pulling part The one end being arranged in the outer beam barrel is connected with the servo-actuated portion and can drive the servo-actuated portion, imbibition central siphon is to moving up It is dynamic;
The lower end of the imbibition central siphon can stretch out or retraction described in outer beam barrel.
Set lifting component that imbibition central siphon can be driven to lift upwards in the present invention, because imbibition central siphon stretches out outer barrel axle One end is arranged suction nozzle, and suction nozzle diameter be more than outer barrel axle receiving opening diameter;Imbibition central siphon and suction nozzle point can be made From, and then can effectively realize that experimenter's one hand just being capable of quick-replaceable suction nozzle, raising replacing efficiency.
Preferably, also including recovery component, the recovery component is used to recover the position of imbibition central siphon.
The purpose that recovery component is set be in order that suction nozzle separates with the nozzle of imbibition central siphon after, imbibition central siphon is replied immediately soon Position, it is not necessary to which the operation of experimenter's hand can be realized as imbibition central siphon reset work.
Preferably, being connected in the outer shaft side wall to drive the servo-actuated portion of can rotating of the pulling part Move up.
It is arranged on what pulling part was rotated in outer shaft side wall, experimenter's thumb can be facilitated directly to lift imbibition axle Pipe, the purpose for setting servo-actuated portion is to ensure that pulling part lifts imbibition central siphon.
Preferably, the servo-actuated portion includes beam barrel, the beam barrel is sheathed on the imbibition central siphon and the beam barrel bottom Portion is connected with the pulling part.
The purpose for setting beam barrel is then that, in order to coordinate with pulling part, and then ensure that imbibition central siphon is lifted upwards.
Preferably, the servo-actuated portion also includes the first spacing ring, first spacing ring is arranged on the top of the beam barrel The first holding tank for accommodating first spacing ring is additionally provided with portion, the imbibition central siphon lateral wall.
The purpose for limiting the first spacing ring is then that can prevent beam barrel from coordinating for a long time with pulling part to cause beam barrel in imbibition axle Relative slip occurs on pipe, prevents pulling part from failing.First spacing ring and the first holding tank coordinate, and prevent that the first spacing ring is relative Imbibition central siphon is slided.
Preferably, the imbibition central siphon includes axis body, suction pipe pullover and nozzle, described axis body one end and the suction pipe Pullover is connected, and the other end of the axis body is connected with the nozzle.
Its central axis is that integral type is connected with suction pipe pullover, while suction pipe pullover is threadedly coupled with nozzle, this kind of structure energy Enough it is convenient for changing nozzle.
Preferably, the recovery component includes the second spacing ring and elastic restoring piece, second spacing ring is arranged Abutted on the imbibition central siphon and with the elastic restoring piece, the receiving opening can accommodate the recovery component so that institute Stating recovery component drives imbibition central siphon to reset.
Recovery component includes the second spacing ring and elastic restoring piece, the second spacing ring be set on imbibition central siphon and with elasticity Restoring piece is abutted, and ensure that spacing ring extrudes elastic restoring piece with the movement of imbibition central siphon, recovers the elastic restoring piece later stage.
Preferably, the elastic restoring piece is spring, the second holding tank, institute are additionally provided with the imbibition central siphon side wall The second spacing ring is stated to be arranged in second holding tank, and the spring one end is abutted with second spacing ring, the other end Abutted with the receiving opening.
Elastic restoring piece is spring, and then makes structure overall simple, is easy to batch production, and the second spacing ring is arranged on second In holding tank, it can effectively prevent the second spacing ring from being moved relative to imbibition central siphon.
Preferably, the outer beam barrel is pyramidal structure close to one end longitudinal cross-section of suction nozzle.
Outer barrel axle is arranged to pyramidal structure, experimenter visual field in imbibition process can be facilitated not to be blocked, together When pyramidal structure outer barrel axle can realize quick-replaceable suction nozzle.
Preferably, the axis body includes the split portion no less than three, multiple split portions are sequentially connected.
Axis body is arranged into multiple split portions as needed to lengthen axis body, wherein can pass through screw thread between split portion Connection or interference fit connection.
Brief description of the drawings
Fig. 1 is the structural representation for the preposition suction gun that the present invention is provided;
Fig. 2 is the partial enlarged drawing at Fig. 1 A.
1st, imbibition central siphon;11st, suction pipe pullover;12nd, axis body;121st, the first holding tank;122nd, the second holding tank;13rd, nozzle; 2nd, outer beam barrel;21st, receiving opening;22nd, through hole is lifted;3rd, component is lifted;31st, pulling part;32nd, it is servo-actuated portion;321st, beam barrel;322、 First spacing ring;4th, recovery component;41st, the second spacing ring;42nd, elastic restoring piece.
Embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and by specific Embodiment further illustrates technical scheme.
A kind of preposition suction gun is present embodiments provided, the singlehanded quick-replaceable suction nozzle of experimenter can be realized, improved more The replacing speed of suction nozzle is changed, as shown in Figure 1-2, the preposition suction gun includes:
Imbibition central siphon 1, imbibition central siphon 1 is used to be connected with suction nozzle to be sucked out liquid;
Axial direction is provided with the receiving opening 21 for accommodating the imbibition central siphon 1 in outer beam barrel 2, the outer beam barrel 2;Wherein Receiving opening is non-standard holes, i.e., receiving opening includes the different hole of two kinds of diameters, and the hole of two kinds of different-diameters coaxially replaces Set;
Component 3 is lifted, the lifting component 3 includes being arranged at the pulling part 31 in the outside of outer beam barrel 2 and is arranged at Servo-actuated portion 32 on the imbibition central siphon 1, the outer side wall of beam barrel 2, which is provided with, can pass through the lifting through hole of the pulling part 31 22, one end that the pulling part 31 is arranged in the outer beam barrel 2 is connected with the servo-actuated portion 32 and can driven described servo-actuated Portion 32, imbibition central siphon 1 are moved up;
The lower end of imbibition central siphon 1 can stretch out or retraction described in outer beam barrel 2.Above-mentioned imbibition central siphon 1 axially arranged has along its Imbibing hole 14 allows the liquid to be sucked out by imbibition central siphon 1, in order to prevent sucking liquid from causing corrosion, this reality to imbibition central siphon Apply and be provided with imbibition inner tube in example in imbibing hole 14, imbibition inner tube is silicone tube, the silicone tube external diameter is equal to the diameter of imbibing hole 14, And then ensure that imbibition inner tube lateral wall is fitted with imbibing hole side wall.
Abutted it should be noted that being servo-actuated portion 32 in the present embodiment with pulling part 31, the two need not be by other connectors just It can realize that pulling part 31 drives servo-actuated portion 32 to move up.Being servo-actuated portion 32 in certain other embodiment can be with pulling part 31 It is welded to connect, or is connected by other connectors.
In order to realize that imbibition central siphon 1 automatically resets after being lifted, in addition to recovery component 4, the recovery component 4 is used Recover in by the position of imbibition central siphon 1.Wherein, recovery component 4 includes the second spacing ring 41 and elastic restoring piece 42, described to hold Through hole 21 of receiving can accommodate the recovery component 4 so that the recovery component 4 drives imbibition central siphon 1 to reset.The present embodiment is hit by a bullet Property restoring piece 42 be spring, be additionally provided with the second holding tank 122 on the side wall of imbibition central siphon 1, second spacing ring 41 is set It is placed in second holding tank 122, and the spring one end is abutted with second spacing ring 41, the other end is accommodated with described Through hole 21 is abutted.
Wherein receiving opening 21 includes the first receiving opening and the second receiving opening, and the first receiving opening and second accommodate logical Bore dia is different, wherein the first receiving opening is staggered with the second receiving opening, and recovery component is arranged on what is be relatively large in diameter In first receiving opening or the second receiving opening, wherein the first receiving opening is not limited in the present embodiment with the second receiving opening It is fixed.
What above-mentioned pulling part 31 can be rotated is connected on the side wall of outer beam barrel 2 to drive the servo-actuated portion 32 upward It is mobile.As shown in Fig. 2 wherein, the servo-actuated portion 32 includes beam barrel 321, the beam barrel 321 is sheathed on the imbibition central siphon 1 And the bottom of beam barrel 321 is connected with the pulling part 31, the purpose for setting beam barrel 321 is in order that pulling part 31 is by servo-actuated portion 32 liftings upwards, this kind simple in construction, can realize the cooperation of pulling part 31 and servo-actuated portion 32.
The servo-actuated portion 32 also includes the first spacing ring 322, and first spacing ring 322 is arranged on the beam barrel 321 The first holding tank 121 for accommodating first spacing ring 322 is additionally provided with top, the lateral wall of imbibition central siphon 1.First limit Position ring 322 coordinates with the first holding tank 121, can prevent the first spacing ring and beam barrel 321 from occurring relative to imbibition central siphon relative Slide, prevent pulling part 31 from being failed in slewing area.
Imbibition central siphon described in the present embodiment 1 includes axis body 12, suction pipe pullover 11 and nozzle 13, described one end of axis body 12 It is connected with the suction pipe pullover 11, the other end of the axis body 12 is connected with the nozzle 13.Its central axis 12 and suction pipe pullover 11 be integral type structure, and is then connected through a screw thread between nozzle 13 and axis body 12, facilitates the later stage to change nozzle 13 or axle Body 12.
The outer beam barrel 2 is the visual field of the pyramidal structure to expand experimenter close to one end longitudinal cross-section of suction nozzle, also Outer beam barrel external diameter can be prevented to be more than the diameter of culture dish, cause nozzle to be stretched into culture dish deeper.
Outer beam barrel 2 includes the split portion no less than three, and multiple split portions are sequentially connected and then can constitute outer shaft Cylinder, it should be noted that the through hole being relatively large in diameter in the first receiving opening and the second receiving opening is provided with internal thread, each First receiving opening and second receiving opening are provided with split portion, one end that split portion is not provided with internal thread is set Being equipped with external screw thread is used for and adjacent split portion threaded connection.Outer barrel axle 2 can be carried out length tune by this kind of structure as needed Section.
It is as follows that the preposition suction gun provided in the present embodiment changes suction nozzle process:
Experimenter's one hand holds the outer beam barrel 2 of preposition suction gun, the pulling part 31 of thumb low pressure lifting component and to Upper push-and-pull, now the first spacing ring 322 drive imbibition central siphon 1 to be moved upwards under the push-and-pull of pulling part 31, it is outer due to suction nozzle Footpath, internal diameter are all higher than the external diameter of outer beam barrel 2, and then suction nozzle is blocked in the outside of outer beam barrel 2, with the increase of lifting power, And then suction nozzle can be made to be separated with imbibition central siphon 1, the purpose of experimenter's replaced by one hand suction nozzle is realized, when the new suction nozzle of installation When, experimenter is singlehanded to push the nozzle alignment suction nozzle of imbibition central siphon the connection that suction nozzle and nozzle can be achieved.
Note, the general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The industry Technical staff it should be appreciated that the present invention is not limited to the embodiments described above, described in above-mentioned embodiment and specification Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also have various change and Improve, these changes and improvements all fall within the protetion scope of the claimed invention, and claimed scope of the invention is by appended Claims and its equivalent thereof.

Claims (10)

1. a kind of preposition suction gun, it is characterised in that including:
Imbibition central siphon (1);
Outer beam barrel (2), the outer beam barrel interior axle is provided with the receiving opening (21) for accommodating the imbibition central siphon (1) to direction;
Component (3) is lifted, the lifting component (3) includes being arranged at the pulling part (31) on the outside of the outer beam barrel (2) and setting The servo-actuated portion (32) being placed on the imbibition central siphon (1), outer beam barrel (2) the side wall, which is provided with, can pass through the pulling part (31) lifting through hole (22), the pulling part (31) is arranged on one end and the servo-actuated portion (32) in the outer beam barrel (2) Connection, and the pulling part (31) can drive the servo-actuated portion (32), imbibition central siphon (1) to move up;
The lower end of the imbibition central siphon (1) can stretch out or retraction described in outer beam barrel (2).
2. preposition suction gun according to claim 1, it is characterised in that also including recovery component (4), the recovery component (4) it is used to recover the position of imbibition central siphon (1).
3. preposition suction gun according to claim 2, it is characterised in that what the pulling part (31) can rotate is connected to To drive the servo-actuated portion (32) to move up on the wall of outer beam barrel (2) side.
4. preposition suction gun according to claim 3, it is characterised in that the servo-actuated portion (32) includes beam barrel (321), institute State that beam barrel (321) is sheathed on the imbibition central siphon (1) and the beam barrel (321) bottom is connected with the pulling part (31).
5. preposition suction gun according to claim 4, it is characterised in that the servo-actuated portion (31) also includes the first spacing ring (322), first spacing ring (322) is arranged on the top of the beam barrel (321), imbibition central siphon (1) lateral wall also It is provided with the first holding tank (121) for accommodating first spacing ring (322).
6. preposition suction gun according to claim 5, it is characterised in that the imbibition central siphon (1) includes axis body (12), inhaled Pipe sleeve head (11) and nozzle (13), described axis body (12) one end are connected with the suction pipe pullover (11), the axis body (12) The other end is connected with the nozzle (13).
7. preposition suction gun according to claim 6, it is characterised in that the recovery component (4) includes the second spacing ring (41) and elastic restoring piece (42), second spacing ring (41) be set on the imbibition central siphon (1) and with the elasticity Restoring piece (42) is abutted, and the receiving opening (21) can accommodate the recovery component (4) so that the recovery component (4) drives Imbibition central siphon (1) resets.
8. preposition suction gun according to claim 7, it is characterised in that the elastic restoring piece (42) is spring, described The second holding tank (122) is additionally provided with the wall of imbibition central siphon (1) side, second spacing ring (41) is arranged at described second and accommodated In groove (122), and the spring one end is abutted with second spacing ring (41), and the other end is supported with the receiving opening (21) Connect.
9. preposition suction gun according to claim 8, it is characterised in that the outer beam barrel (2) is indulged close to one end of suction nozzle It is pyramidal structure to section.
10. preposition suction gun according to claim 9, it is characterised in that the outer beam barrel (2) is included no less than three Split portion, multiple split portions are sequentially connected.
CN201710406120.5A 2017-06-01 2017-06-01 Preposition suction gun Pending CN107051602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710406120.5A CN107051602A (en) 2017-06-01 2017-06-01 Preposition suction gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710406120.5A CN107051602A (en) 2017-06-01 2017-06-01 Preposition suction gun

Publications (1)

Publication Number Publication Date
CN107051602A true CN107051602A (en) 2017-08-18

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Family Applications (1)

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CN201710406120.5A Pending CN107051602A (en) 2017-06-01 2017-06-01 Preposition suction gun

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CN (1) CN107051602A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2302793Y (en) * 1997-03-14 1999-01-06 马景鉴 Head of suction device
CN201333404Y (en) * 2008-12-10 2009-10-28 天津彰科科技有限公司 Micropipette
CN203329097U (en) * 2013-06-27 2013-12-11 成都大学 Sucking gun for otolaryngology diagnosis and treatment
CN203422382U (en) * 2013-07-12 2014-02-05 珀金埃尔默医学诊断产品(上海)有限公司 Sample injector capable of removing suction tip automatically
CN205361387U (en) * 2016-01-26 2016-07-06 深圳市爱纳多电子商务有限公司 Imbibition handle
CN205361384U (en) * 2016-01-15 2016-07-06 上海舜宇恒平科学仪器有限公司 Novel automatically, unload suction head mechanism
CN106391155A (en) * 2015-06-30 2017-02-15 赛多利斯百得液体处理公司 Pipette with a tip removal mechanism, a method for removing a tip, and a method for pipetting
CN106582907A (en) * 2015-10-15 2017-04-26 常州福生生物技术有限公司 Pipettor with automatic suction head withdrawal function
CN207042507U (en) * 2017-06-01 2018-02-27 深圳市港科深研生物科技有限公司 Preposition suction gun

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2302793Y (en) * 1997-03-14 1999-01-06 马景鉴 Head of suction device
CN201333404Y (en) * 2008-12-10 2009-10-28 天津彰科科技有限公司 Micropipette
CN203329097U (en) * 2013-06-27 2013-12-11 成都大学 Sucking gun for otolaryngology diagnosis and treatment
CN203422382U (en) * 2013-07-12 2014-02-05 珀金埃尔默医学诊断产品(上海)有限公司 Sample injector capable of removing suction tip automatically
CN106391155A (en) * 2015-06-30 2017-02-15 赛多利斯百得液体处理公司 Pipette with a tip removal mechanism, a method for removing a tip, and a method for pipetting
CN106582907A (en) * 2015-10-15 2017-04-26 常州福生生物技术有限公司 Pipettor with automatic suction head withdrawal function
CN205361384U (en) * 2016-01-15 2016-07-06 上海舜宇恒平科学仪器有限公司 Novel automatically, unload suction head mechanism
CN205361387U (en) * 2016-01-26 2016-07-06 深圳市爱纳多电子商务有限公司 Imbibition handle
CN207042507U (en) * 2017-06-01 2018-02-27 深圳市港科深研生物科技有限公司 Preposition suction gun

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Application publication date: 20170818