CN207287481U - Pipettor for medical inspection - Google Patents
Pipettor for medical inspection Download PDFInfo
- Publication number
- CN207287481U CN207287481U CN201721332207.4U CN201721332207U CN207287481U CN 207287481 U CN207287481 U CN 207287481U CN 201721332207 U CN201721332207 U CN 201721332207U CN 207287481 U CN207287481 U CN 207287481U
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- CN
- China
- Prior art keywords
- installing plate
- plate
- pipette
- pipettor
- rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of pipettor for medical inspection,Including installing plate,The installing plate is fixedly arranged above the handle of inverted U,It is fixed with several piston cylinders side by side on a mounting board,One piston rod is set inside each piston cylinder,Side is provided with mobilizable lifter plate on a mounting board,Each piston rod end is each attached to lifter plate bottom,Shaking hands for inverted U is fixed with lifter plate top,The top of shaking hands is fixedly installed threaded rod and guide rod,The guide rod is two,Two guide rods are symmetricly set on threaded rod both ends,The adjusting nut with its thread fitting is provided with the threaded rod,The first spring is arranged with the guide rod,First both ends of the spring is abutted with handle and shaking hands respectively,The through hole for guide rod and threaded rod slip is provided with handle,The piston cylinder bottom is provided with the pipe fitting for installing pipette.This pipettor is simple in structure, and operation is comfortable, is used easy to long-time operation.
Description
Technical field
The utility model relates generally to the instrument that a kind of medical domain uses, and is specifically a kind of pipettor for medical inspection.
Background technology
The pipettor of medical use is a kind of instrument for liquid to be tested to be shifted.Traditional pipettor includes
Single channel pipettor and Multi-channel liquid transfer device, wherein Multi-channel liquid transfer device structure are typically multiple pipettes and manipulator
Handle, makes liquid to be detected enter in pipette by thumb press operation handle.Traditional multichannel pipette has in actual use
Have a disadvantage that：
1st, due to using thumb press mode of operation, forced area is smaller, when heavy workload long-time operation, easily production
Raw thumb is uncomfortable and the problem of excessive fatigue, when referring in particular to the larger long period of experiments operation of joint pressure, using not relaxing extremely
It is suitable.
2nd, in order to avoid cross contamination, general pipette use disposable product, after pipetting processes successively are completed, it is necessary to
New pipette is installed after pipette is removed, for Multi-channel liquid transfer device, since required pipette quantity is more, is passed
The efficiency of manual removal one by one of system is low, heavy workload.
Utility model content
To solve the deficiency of current technology, the utility model combination prior art, from practical application, there is provided one kind doctor
Inspection pipettor is learned, this pipettor is simple in structure, and operation is comfortable, is used easy to long-time operation.
To achieve the above object, the technical solution of the utility model is as follows：
Pipettor for medical inspection, including installing plate, the installing plate is fixedly arranged above the handle of inverted U, in installing plate
On be fixed with several piston cylinders side by side, a piston rod is set inside each piston cylinder, and be provided with can for side on a mounting board
The lifter plate of activity, each piston rod end is each attached to lifter plate bottom, shaking hands for inverted U, institute is fixed with lifter plate top
State top of shaking hands and be fixedly installed threaded rod and guide rod, the guide rod is two, and two guide rods are symmetricly set on screw thread
Bar both ends, the adjusting nut with its thread fitting is provided with the threaded rod, the first spring, institute are arranged with the guide rod
State the first both ends of the spring to abut with handle and shaking hands respectively, the through hole for guide rod and threaded rod slip be provided with handle,
The piston cylinder bottom is provided with the pipe fitting for installing pipette.
Movable pressing board is provided with below the installing plate, several are provided with the movable pressing board and is adapted with pipe fitting
Receiving hole, the pipe fitting is arranged in receiving hole, is accommodated bore dia and is more than pipe fitting diameter but is less than pipette installation end
Diameter, the movable pressing board connects position-limit mechanism, and after releasing position-limit mechanism, can press down on movable pressing board pushes down on it
Pipette pulls down pipette.
The position-limit mechanism includes several portable pillars, the limiting plate being arranged on above installing plate, described portable pillar one end
It is fixedly connected with movable pressing board, the portable pillar other end slidably passes through installing plate and the limit with preventing it from deviating from from installing plate
Position plate is fixedly connected, and is arranged with second spring in portable pillar, the second spring both ends respectively with movable pressing board and installing plate
Abut, be additionally provided with mobilizable limited block on a mounting board, moving limited block can place it between limiting plate and installing plate.
Axis pin is fixedly arranged above in the installing plate, described limited block one end is spindle rotationally arranged on axis pin, limited block
The other end can be placed between limiting plate and installing plate when rotating.
The beneficial effects of the utility model：
1st, when the utility model is used, at palm when held handle, finger holds place of shaking hands, and is up pressed and shaken hands by finger
Lifter plate is driven to move upwards, lifter plate drives piston motion and then draws liquid into pipette, this pipettor is moved to
Behind required position, unclamp liquid under the action of the spring of shaking hands and the whole pipetting processes of completion are pushed out out of pipette, due to palm
With, easy to force, therefore extremely convenient, comfort level is high when the utility model is used, will not go out after prolonged use at finger
The phenomenon of existing joint discomfort.
2nd, the utility model is in one's hands just is provided with threaded rod and adjusting nut on hand, by adjusting the position of adjusting nut,
Adjustable up-down plate lifting position, to control effectively to the liquid measure in suction pipette, increases the general of this pipettor
Property.
3rd, the utility model is also provided with movable pressing board below installing plate, and after the completion of liquid relief, limited block is turned to
Side, movable pressing board moves downward under the action of the spring at this time, can push the pipette on each pipe fitting, work as passage
Number is extremely practical when more, can increase considerably the efficiency for replacing pipette, reduces the workload of operating personnel.
Brief description of the drawings
Attached drawing 1 is the utility model general structure schematic diagram；
Attached drawing 2 is structure diagram at the utility model movable pressing board；
Attached drawing 3 is the utility model limited block working method schematic diagram.
Label shown in attached drawing：1st, pipette；2nd, pipe fitting；3rd, movable pressing board；4th, piston cylinder；5th, installing plate；6th, handle；
7th, shake hands；8th, the first spring；9th, guide rod；10th, threaded rod；11st, adjusting nut；12nd, lifter plate；13rd, piston rod；14th, accommodate
Hole；15th, limiting plate；16th, limited block；17th, axis pin；18th, portable pillar；19th, second spring.
Embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It is to be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, reading the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall
In scope defined herein.
As shown in attached drawing 1,2,3, pipettor for medical inspection, including installing plate 5, the installing plate 5 are fixedly arranged above down U
The handle 6 of type, is fixed with several piston cylinders 4 side by side on installing plate 5, and a piston rod is set inside each piston cylinder 4
13, mobilizable lifter plate 12 is provided with above installing plate 5, each 13 end of piston rod is each attached to 12 bottom of lifter plate,
What 12 top of lifter plate was fixed with inverted U shakes hands 7, and 7 tops of shaking hands are fixedly installed threaded rod 10 and guide rod 9, described
Guide rod 9 is two, and two guide rods 9 are symmetricly set on 10 both ends of threaded rod, are provided with and its screw thread on the threaded rod 10
The adjusting nut 11 of cooperation, is arranged with the first spring 8 on the guide rod 9,8 both ends of the first spring respectively with handle 6 and
Shake hands 7 abuttings, the through hole for guide rod 9 and the slip of threaded rod 10 is provided with handle 6, is set in 4 bottom of piston cylinder
It is useful for the pipe fitting 2 of installation pipette 1.
As shown in Figure 1, the handle 6 of the utility model is fixed on installing plate 5 in inverted U-shaped structure, and lifter plate 12, shake hands
7 are arranged in the space of the formation of handle 6, and multiple holes are set up in parallel on installing plate 5 and are used for fixed piston cylinder 4, its quantity according to
Actually required situation is configured.Installing plate 5 is stretched out at 4 both ends of piston cylinder, its internal setting piston rod 13, bottom sets pipe to connect
First 2, multiple piston rods 13 are fixed to 12 bottom of lifter plate at the same time, therefore can drive all pistons at the same time when lifter plate 12 lifts
Bar 13 moves at the same time, and the pipe fitting 2 that 4 bottom of piston cylinder is set is the column construction communicated with inside it, is inserted into pipette 1
During installation end pipette 1 can be made to be communicated with piston cylinder 4, such as traditional needle tubing and syringe needle mounting means.Therefore piston rod 13 is worked as
Pipette 1 can be made to carry out imbibition during lifting or go out liquid.Two guide rods 9 set on lifter plate 13, which play support and are oriented to, to be made
With the 13 in the vertical direction movement of guarantee lifter plate, its threaded rod 10 and adjusting nut 11 coordinate the work for playing and adjusting liquid absorption amount
With.As shown in fig. 1, after adjusting 11 position of adjusting nut, lifter plate 12 is pushed up, lifter plate 12 drives 10 He of threaded rod
Adjusting nut 11 moves upwards, the as upward limit of sports record position of lifter plate 12 when adjusting nut 11 is contacted with handle 6, the position
The liquid measure for putting storage in place's pipette 1 is maximum liquid absorption amount, is adjusted up adjusting nut 11 and reduces maximum imbibition numerical quantity, to
Lower adjusting adjusting nut 11 increases imbibition numerical quantity.Therefore the utility model can adjust liquid absorption amount according to actually required situation
It is whole.When carrying out liquid relief using this pipettor, pipette 1 being installed, being held at handle 6, finger is put into shake hands and lifts upwards at 7
Shake hands 7, imbibition is realized in movement to 7 drive lifter plates 12 of shaking hands upwards, is moved pipettor to required position after the completion of imbibition, is unclamped
Shake hands 7 under the effect of the first spring 8 lifter plate 12 move downward and promote piston rod 13 to flow out in pipette 1 liquid.
As shown in attached drawing 2,3, in order to increase the replacement efficiency of pipette 1, the utility model is provided with below installing plate 5
Movable pressing board 3, several receiving holes 14 being adapted with pipe fitting 2 are provided with movable pressing board 3, and pipe fitting 2 is arranged on receiving
In hole 14,14 diameter of receiving hole is more than 2 diameter of pipe fitting but less than the diameter of 1 installation end of pipette, solid above movable pressing board 3
Several fixed portable pillars 18, portable pillar 18 can be movable on installing plate 5, the top of portable pillar 18 installation limiting plate 15, in portable pillar
Second spring 19 is arranged with 18,19 both ends of second spring are abutted with movable pressing board 3 and installing plate 5 respectively, on installing plate 5 also
Mobilizable limited block 16 is provided with, 16 one end of limited block is sleeved on axis pin 17, and freely activity, axis pin 17 are fixed on peace to the other end
In loading board 5.Due in normal pipetting processes, in order to avoid 3 position of movable pressing board and 1 position of pipette clash, therefore
Need movable pressing board 3 being raised up to position shown in Fig. 2, movable pressing board 3 is fallen in order to prevent after lifting, therefore is provided with limited block
16, its pad is made after rotary spacing block 16, and limitation movable pressing board 3 moves downward below movable pressing board 3, when needing to pull down pipette
When 1, limited block 16 is gone into 3 side of movable pressing board, movable pressing board 3 is moved downward and then can promoted under the effect of second spring 19
Pipette 1 makes it be taken off from pipe fitting 2, also repeatedly can rise movable pressing board 3 and ensure that all pipettes 1 can be pushed away quickly
Under.The same replacement efficiency crossed this structure and be greatly improved pipette, reduces manual work intensity.
Claims (4)
1. pipettor for medical inspection, it is characterised in that：Including installing plate (5), the installing plate (5) is fixedly arranged above inverted U
Handle (6), be fixed with several piston cylinders (4) side by side on installing plate (5), one set inside each piston cylinder (4)
Piston rod (13), is provided with mobilizable lifter plate (12), each piston rod (13) end is each attached to liter above installing plate (5)
Plate (12) bottom is dropped, shake hands (7) of inverted U are fixed with lifter plate (12) top, described (7) top of shaking hands is fixedly installed spiral shell
Rasp bar (10) and guide rod (9), the guide rod (9) are two, and two guide rods (9) are symmetricly set on threaded rod (10) two
End, be provided with the threaded rod (10) with the adjusting nut of its thread fitting (11), be arranged with first on the guide rod (9)
Spring (8), the first spring (8) both ends respectively with handle (6) and shake hands (7) abut, be provided with handle (6) for be oriented to
The through hole that bar (9) and threaded rod (10) slide, is provided with the piston cylinder (4) bottom and is connect for installing the pipe of pipette (1)
Head (2).
2. pipettor for medical inspection as claimed in claim 1, it is characterised in that：Work is provided with below the installing plate (5)
Dynamic pressure plate (3), several receiving holes (14) being adapted with pipe fitting (2) are provided with the movable pressing board (3), and the pipe connects
Head (2) is arranged in receiving hole (14), and receiving hole (14) diameter is more than pipe fitting (2) diameter but is less than pipette (1) installation end
Diameter, the movable pressing board (3) connects position-limit mechanism, after releasing position-limit mechanism, can press down on movable pressing board (3) make its to
Lower promotion pipette (1) pulls down pipette (1) from pipe fitting (2).
3. pipettor for medical inspection as claimed in claim 2, it is characterised in that：The position-limit mechanism includes several activities
Column (18), the limiting plate (15) being arranged on above installing plate (5), described portable pillar (18) one end and the fixed company of movable pressing board (3)
Connect, portable pillar (18) other end is slidably through installing plate (5) and with preventing its limiting plate deviate from from installing plate (5)
(15) be fixedly connected, be arranged with second spring (19) in portable pillar (18), second spring (19) both ends respectively with activity
Pressing plate (3) and installing plate (5) abut, and mobilizable limited block (16) is additionally provided with installing plate (5), moves limited block (16)
It can place it between limiting plate (15) and installing plate (5).
4. pipettor for medical inspection as claimed in claim 3, it is characterised in that：It is fixedly arranged above in the installing plate (5)
Axis pin (17), described limited block (16) one end are spindle rotationally arranged on axis pin (17), and limited block (16) other end can when rotating
It is placed between limiting plate (15) and installing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332207.4U CN207287481U (en) | 2017-10-16 | 2017-10-16 | Pipettor for medical inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332207.4U CN207287481U (en) | 2017-10-16 | 2017-10-16 | Pipettor for medical inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207287481U true CN207287481U (en) | 2018-05-01 |
Family
ID=62414446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721332207.4U Expired - Fee Related CN207287481U (en) | 2017-10-16 | 2017-10-16 | Pipettor for medical inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207287481U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786946A (en) * | 2018-05-03 | 2018-11-13 | 昆明仁旺科技有限公司 | A kind of novel intelligent liquid relief machine and system |
| CN112206842A (en) * | 2019-07-12 | 2021-01-12 | 华大青兰生物科技(无锡)有限公司 | Multichannel pipettor |
| CN114308171A (en) * | 2022-01-04 | 2022-04-12 | 哈尔滨学院 | Dropper for chemistry experiments |
-
2017
- 2017-10-16 CN CN201721332207.4U patent/CN207287481U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786946A (en) * | 2018-05-03 | 2018-11-13 | 昆明仁旺科技有限公司 | A kind of novel intelligent liquid relief machine and system |
| CN112206842A (en) * | 2019-07-12 | 2021-01-12 | 华大青兰生物科技(无锡)有限公司 | Multichannel pipettor |
| CN114308171A (en) * | 2022-01-04 | 2022-04-12 | 哈尔滨学院 | Dropper for chemistry experiments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20181016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |