CN204448045U - A kind of safety quantitative pipettor - Google Patents
A kind of safety quantitative pipettor Download PDFInfo
- Publication number
- CN204448045U CN204448045U CN201520042055.9U CN201520042055U CN204448045U CN 204448045 U CN204448045 U CN 204448045U CN 201520042055 U CN201520042055 U CN 201520042055U CN 204448045 U CN204448045 U CN 204448045U
- Authority
- CN
- China
- Prior art keywords
- ball
- valve
- pipette
- pipe joint
- pipettor
- 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
Links
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a kind of safety quantitative pipettor, comprise pipettor body, described pipettor body comprises pipette and inhales ball device with the combination that pipette is equipped with, described combination is inhaled ball device and is comprised suction ball, copper ball valve, pipe joint and connection rubber tube, described suction ball top is provided with exhaust outlet, described exhaust outlet is provided with deflation structure, the bottom of described suction ball is provided with air entry, described copper ball valve is connected with the air entry inhaling ball, one end of described pipe joint is connected with copper ball valve by connection rubber tube, the described pipe joint other end is connected with pipette, described suction ball is also provided with imbibition tune amount structure.This safety quantitative pipettor, security performance is high, can realize quantitatively aspirating of liquid, easy to operate, cost is low, and practicality is good.
Description
Technical field
The utility model relates to liquid-transfering device technical field, especially relates to a kind of safety quantitative pipettor.
Background technology
Glass pipet is widely used to be equipped with chemical reagent and to carry out chemistry experiment operating in the chemical experiment of school.Adopt rubber pipette bulb to carry out moving liquid to coordinate pipette in conventional method, the chemical operation skill set requirements for operator is higher, and moves liquid requirement by once, and centre slightly misoperation just needs to re-start.This is extremely bothersome effort for new hand student.Simultaneously owing to using rubber pipette bulb to control the volume pipetting liquid, control the improper liquid that may make and go out pipette instantaneously, sometimes pipetted liquid is highly corrosive or hypertoxicity, and misoperation may jeopardize the safety of experimenter self.Advanced laboratory replaces pipette with liquid-transfering gun in the world at present, but its cost is high, fragile, takes and often maintains.Thus for school experiment room, middle school, costly, difficulty is introduced larger.
Chinese patent literature (day for announcing: on October 14th, 1992, notification number: CN2118578U) discloses a kind of suction pipe belonging to band safety valve.It is by the pipe interior spheroid designed below existing suction pipe mouth and the mouth of pipe between the first graduation mark, and valve above spheroid, below valve holder combine.Its valve is the spherical zone shape pipeline opening matched with spheroid.Its valve holder be gas, liquid can be allowed to pass through pipe in excrescence, imbibition time, when liquid exceed valve holder continue rise, spheroid just float with valve coincide, formed closed state.
Technique scheme is easily inhaled in mouth or ear washing bulb inside to solve existing suction pipe liquid, causes the problem of operating difficulties.And the lock operation that cannot realize liquid.
Utility model content
The purpose of this utility model is to solve existing liquid-transfering device operation inconvenience, there is potential safety hazard, cannot accurate quantification, the problems such as price is high, and provide a kind of easy to operate, security performance is high, quantitatively can move liquid, the safety quantitative pipettor that cost is low.
The utility model realizes the technical scheme that its technical purpose adopts: a kind of safety quantitative pipettor, comprise pipettor body, described pipettor body comprises pipette and inhales ball device with the combination that pipette is equipped with, described combination is inhaled ball device and is comprised suction ball, copper ball valve, pipe joint and connection rubber tube, described suction ball top is provided with exhaust outlet, described exhaust outlet is provided with deflation structure, the bottom of described suction ball is provided with air entry, described copper ball valve is connected with the air entry inhaling ball, one end of described pipe joint is connected with copper ball valve by connection rubber tube, the described pipe joint other end is connected with pipette, described suction ball is also provided with imbibition tune amount structure.This safety quantitative pipettor, ball device is inhaled by arranging a combination, combination is inhaled ball device and is comprised a suction ball with exhaust outlet and air entry, inhale on ball and be provided with imbibition tune amount structure, and exhaust outlet is connected with copper ball valve, the lower end of copper ball valve is connected with pipe joint by connection rubber tube, and pipe joint is connected with pipette.When this safety quantitative pipettor of use, when quantitatively moving liquid, first liquid measure adjustment imbibition tune amount of moving structure as required, open copper ball valve, pipette is inserted liquid, ball is inhaled in extruding, the gas inhaling ball inside is discharged by deflation structure, when inhaling ball and being expressed to imbibition tune amount locations of structures, stop extruding, the deflation structure automatic fall-back now inhaling ball upper end is closed, unclamp suction ball, inhale ball outwards to recover under the elastic reaction of self, liquid is inhaled into pipette, after completing quantitative liquid suction, close copper ball valve, safely liquid can be moved on to the container of needs, open copper ball valve, inhale ball by extruding and the liquid safe of pipette inside is moved into container.This pipettor, had both achieved and had quantitatively moved liquid, the security of the operation simultaneously also ensured, and easy to operate, cost is low.
As preferably, described deflation structure comprises valve and one-way exhaust film lobe, described valve with inhale ball and be tightly connected, it is inner and outwards open setting that described one-way exhaust film lobe is arranged on valve.Deflation structure adopts valve and one-way exhaust film lobe, like this when extrude inhale ball time, one-way exhaust film lobe is outwards opened the gas inhaling ball inside and is discharged, and when stopping extruding one-way exhaust film lobe return under gravity, sealed by valve, such structure operation is convenient.
As preferably, described imbibition tune amount vibrational power flow has one group, and described imbibition tune amount structure is inhaled on ball for being symmetricly set on the axis inhaling ball horizontal direction.Such structure handled easily, by adjustment imbibition tune amount structure, extruding inhales ball to the imbibition tune amount form touch of both sides, and stop extruding, the liquid now sucked is the amount of liquid of needs.
As preferably, described imbibition tune amount structure comprises quantification dish, connecting rod, adapter sleeve and adjustment rotating disk, described adapter sleeve is sealedly and fixedly connected with suction ball, described connecting rod is threaded with adapter sleeve, described quantification dish be arranged on inhale ball inside on and be fixedly connected with connecting rod the inner, described adjustment rotating disk be arranged on inhale ball outside and be fixedly connected with the outer end of connecting rod.Imbibition tune amount structure passes through said structure, suction ball is provided with adapter sleeve, connect internal whorl and be connected with connecting rod, the inside and outside two ends of connecting rod are fixed with quantification dish and adjustment rotating disk respectively, when needing to aspirate certain liquid, by rotating adjustment rotating disk, connecting rod is made to drive quantification dish to the motion of suction ball center or to the motion of suction ball ball wall, thus the distance that during adjustment extruding, the quantification dish of both sides touches, to adjust the suction inhaling ball, thus control to suck pipette internal liquid number, thus solve the problem of quantitatively moving liquid easily.
As preferably, described adjustment rotating disk is provided with adjustment scale.Adjustment rotating disk arranges adjustment scale, convenient control liquid absorption number.
As preferably, inhaling ball is latex material component, and pipe joint is rubber hose structure, pipe joint is provided with the grafting body coordinated with pipette inner wall sealing.。Latex material performance is good, durable, arranges grafting body convenience and pipette socket connection.
The beneficial effects of the utility model are: this safety quantitative pipettor, and security performance is high, can realize quantitatively aspirating of liquid, easy to operate, cost is low, and practicality is good.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model safety quantitative pipettor;
Fig. 2 is a kind of decomposition texture schematic diagram that in the utility model, ball device is inhaled in combination;
In figure: 1, pipettor body, 2, pipette, 3, combination inhales ball device, 4, inhale ball, 5, copper ball valve, 6, pipe joint, 7, connection rubber tube, 8, exhaust outlet, 9, deflation structure, 10, air entry, 11, imbibition tune amount structure, 12, valve, 13, one-way exhaust film lobe, 14, quantification dish, 15, connecting rod, 16, adapter sleeve, 17, rotating disk is adjusted, 18, adjustment scale, 19, grafting body.
Detailed description of the invention
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
At Fig. 1, in embodiment shown in Fig. 2, a kind of safety quantitative pipettor, comprise pipettor body 1, pipettor body 1 comprises pipette 2 and inhales ball device 3 with the combination that pipette 2 is equipped with, combination is inhaled ball device 3 and is comprised suction ball 4, copper ball valve 5, pipe joint 6 and connection rubber tube 7, inhaling ball 4 is latex material component, inhale ball 4 top and be provided with exhaust outlet 8, exhaust outlet 8 is provided with deflation structure 9, deflation structure 9 comprises valve 12 and one-way exhaust film lobe 13, valve 10 is tightly connected with suction ball 4, one-way exhaust film lobe 13 is arranged on valve 12 inside and outwards opens setting.The bottom of inhaling ball 4 is provided with air entry 10, and copper ball valve 5 is connected with the air entry 10 inhaling ball, and one end of pipe joint 6 is connected with copper ball valve 5 by connection rubber tube 7, and pipe joint 6 other end is connected with pipette 2, inhales on ball 4 and is also provided with imbibition tune amount structure 11.Imbibition tune amount structure 11 is provided with one group, and imbibition tune amount structure 11 is inhaled on ball 4 along the axis inhaling ball 4 horizontal direction for being symmetricly set on.Imbibition tune amount structure 11 comprises quantification dish 14, connecting rod 15, adapter sleeve 16 and adjustment rotating disk 17, adapter sleeve 16 is sealedly and fixedly connected with suction ball 4, connecting rod 15 is threaded with adapter sleeve 16, quantification dish 14 be arranged on inhale ball 4 inside on and be fixedly connected with connecting rod 15 the inner, adjustment rotating disk 17 be arranged on inhale ball 4 outside and be fixedly connected with the outer end of connecting rod 15.Adjustment rotating disk 17 is provided with adjustment scale 18.
Pipe joint 6 is rubber hose structure, pipe joint 6 is provided with the grafting body 19 coordinated with pipette 2 inner wall sealing.
When using this safety quantitative pipettor to carry out moving liquid, adjustment imbibition tune amount structure 11, rotate adjustment rotating disk 17, the amount of moving liquid as required, adjust certain adjustment scale 18, make quantification dish 14 away from or near the center of sucker 4, open copper ball valve 5, pipette 2 is inserted liquid, ball 4 is inhaled in extruding, the gas inhaling ball 4 inside is discharged by the one-way exhaust film lobe 13 in deflation structure 9, when the quantification dish 14 that suction ball 4 is expressed to both sides touches mutually, stop extruding, one-way exhaust film lobe 13 automatic fall-back now inhaling ball 4 upper end closes valve 12, unclamp and inhale ball 4, inhale ball 4 outwards to recover under the elastic reaction of self, liquid is inhaled into pipette 2, after completing quantitative liquid suction, close copper ball valve 5, safely liquid can be moved on to the container of needs, open copper ball valve 5, inhale ball 4 by extruding and the liquid safe of pipette 2 inside is moved into container, complete pipetting.
This safety quantitative pipettor, ball device and glass pipet combination collocation are inhaled in combination, inhale ball extruding degree by the structure control of imbibition tune amount, control that liquid sucks number, and controlled the discharge of liquid by the air inlet of copper ball valve and exhaust, can not worry that liquid flows out completely after sucking liquid, and accurately can control the amount of liquid of suction, and improve operability, convenient, safe and reliable, reduce the incidence of laboratory accident risk.
Claims (6)
1. a safety quantitative pipettor, comprise pipettor body, it is characterized in that: described pipettor body (1) comprises pipette (2) and inhales ball device (3) with the combination that pipette (2) is equipped with, described combination is inhaled ball device (3) and is comprised suction ball (4), copper ball valve (5), pipe joint (6) and connection rubber tube (7), described suction ball (4) top is provided with exhaust outlet (8), described exhaust outlet (8) is provided with deflation structure (9), the bottom of described suction ball (4) is provided with air entry (10), described copper ball valve (5) is connected with the air entry (10) inhaling ball, one end of described pipe joint (6) is connected with copper ball valve (5) by connection rubber tube (7), the other end of described pipe joint (6) is connected with pipette (2), described suction ball (4) is also provided with imbibition tune amount structure (11).
2. a kind of safety quantitative pipettor according to claim 1, it is characterized in that: described deflation structure (9) comprises valve (12) and one-way exhaust film lobe (13), described valve (12) is tightly connected with suction ball (4), and described one-way exhaust film lobe (13) is arranged on valve (12) inside and outwards opens setting.
3. a kind of safety quantitative pipettor according to claim 1, is characterized in that: described imbibition tune amount structure (11) is provided with one group, and described imbibition tune amount structure (11) is inhaled on ball along the axis inhaling ball (4) horizontal direction for being symmetricly set on.
4. a kind of safety quantitative pipettor according to claim 3, it is characterized in that: described imbibition tune amount structure (11) comprises quantification dish (14), connecting rod (15), adapter sleeve (16) and adjustment rotating disk (17), described adapter sleeve (16) is sealedly and fixedly connected with suction ball (4), described connecting rod (15) is threaded with adapter sleeve (16), described quantification dish (14) is arranged on the inside of suction ball (4) and is fixedly connected with connecting rod (15) the inner, described adjustment rotating disk (17) is arranged on the outside of suction ball (4) and is fixedly connected with the outer end of connecting rod (15).
5. a kind of safety quantitative pipettor according to claim 4, is characterized in that: described adjustment rotating disk (17) is provided with adjustment scale (18).
6. a kind of safety quantitative pipettor according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: inhaling ball (4) is latex material component, pipe joint (6) is rubber hose structure, pipe joint (6) is provided with the grafting body (19) coordinated with pipette (2) inner wall sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042055.9U CN204448045U (en) | 2015-01-22 | 2015-01-22 | A kind of safety quantitative pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042055.9U CN204448045U (en) | 2015-01-22 | 2015-01-22 | A kind of safety quantitative pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204448045U true CN204448045U (en) | 2015-07-08 |
Family
ID=53654993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042055.9U Expired - Fee Related CN204448045U (en) | 2015-01-22 | 2015-01-22 | A kind of safety quantitative pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204448045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321401A (en) * | 2017-07-04 | 2017-11-07 | 覃晓捷 | A kind of pipette of quantitative liquid suction |
| CN112387324A (en) * | 2021-01-20 | 2021-02-23 | 潍坊市利程建材科技有限公司 | Detachable burette convenient to inside washing |
-
2015
- 2015-01-22 CN CN201520042055.9U patent/CN204448045U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321401A (en) * | 2017-07-04 | 2017-11-07 | 覃晓捷 | A kind of pipette of quantitative liquid suction |
| CN112387324A (en) * | 2021-01-20 | 2021-02-23 | 潍坊市利程建材科技有限公司 | Detachable burette convenient to inside washing |
| CN112387324B (en) * | 2021-01-20 | 2021-05-28 | 青岛大学附属医院 | Detachable burette convenient to inside washing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204202952U (en) | A kind of portative gas sampler | |
| CN204448045U (en) | A kind of safety quantitative pipettor | |
| CN201423289Y (en) | Quantitative pipette with cock | |
| CN201632272U (en) | Pipetting sample injector | |
| CN210487705U (en) | Universal titration apparatus capable of controlling dripping speed and droplet size | |
| CN205308360U (en) | Move device of getting solution | |
| CN207823050U (en) | The novel liquid-transfering device of liquid is taken for draught cupboard | |
| CN108330097A (en) | A kind of cell culture, detection method | |
| CN104132834B (en) | A kind of double-function full automatic cell settlement pelleter and flaking method thereof | |
| CN205109673U (en) | Crooked formula ration pipettor | |
| CN209128420U (en) | Liquid-transfering device is used in a kind of inspection of novel microbial | |
| CN202460661U (en) | Pipette | |
| CN107174679A (en) | A kind of gas-liquid separation drainage system | |
| CN203170352U (en) | Novel transfer pipette | |
| CN207923525U (en) | Medical test sampler | |
| CN202398372U (en) | Controllable transfer pipette | |
| CN2868404Y (en) | Pipet | |
| CN206597549U (en) | A kind of dual-purpose buret | |
| CN205628002U (en) | Automatic pipette of control | |
| CN201692821U (en) | Universal burette for acid and base | |
| CN208390046U (en) | Manual liquid transfering device | |
| CN206622415U (en) | A kind of use for laboratory hand bottle washing apparatus | |
| CN201565310U (en) | Pipette | |
| CN203002398U (en) | Pushing up type transfer pipette sucker | |
| CN202214363U (en) | Pipetting device for testing microorganisms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |