CN220803335U - Portable pipetting device - Google Patents
Portable pipetting device Download PDFInfo
- Publication number
- CN220803335U CN220803335U CN202322375642.7U CN202322375642U CN220803335U CN 220803335 U CN220803335 U CN 220803335U CN 202322375642 U CN202322375642 U CN 202322375642U CN 220803335 U CN220803335 U CN 220803335U
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- China
- Prior art keywords
- fixedly connected
- pipetting device
- grab handle
- portable
- pipetting
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000004224 protection Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000012742 biochemical analysis Methods 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model relates to the technical field of pipetting devices and provides a portable pipetting device which comprises a pipetting device main body and an installation gun nozzle, wherein the installation gun nozzle is fixedly connected to the lower surface of the pipetting device main body, a grab handle is movably connected to the outer surface of the pipetting device main body, a switch button is arranged on the lower surface of the pipetting device main body, a control button is arranged on the lower surface of the pipetting device main body, a disposable pipette is arranged at the lower end of the installation gun nozzle, an adjusting mechanism is arranged on the outer surface of the grab handle, and a protection mechanism is arranged on the outer surface of the pipetting device main body; the adjusting mechanism comprises a connecting rod fixedly connected to the outer surface of the liquid transfer device body, limiting holes are formed in the outer surfaces of the liquid transfer device body and the grab handles, inserting rods are arranged in the inner cavities of the limiting holes in an inserted mode, one end of each inserting rod is fixedly connected with a connecting plate, one side of each connecting plate is fixedly connected with a telescopic rod, and the defects in the prior art are overcome through the technical scheme.
Description
Technical Field
The utility model relates to the technical field of pipetting devices, in particular to a portable pipetting device.
Background
The pipetting device is a handheld device for transferring liquid in a laboratory, generally consists of a pipette and a peristaltic pump or a pressure control system, and is mainly used for conveniently and accurately performing liquid pipetting operation, particularly suitable for transferring small-volume liquid and applied to experiments of molecular biology, cell culture, biochemical analysis and the like.
When the existing pipetting device is used, a pipette head with proper capacity is selected and fixed at a pipette orifice of the pipetting device, then the pipette head is immersed in liquid to be sucked, a pipette button or a peristaltic pump of the pipetting device is controlled to generate negative pressure to suck the liquid, the sucked liquid is transferred to a target container, and after one liquid transfer is completed, the pipette head is cleaned or replaced with a new pipette head in time, so that cross contamination among different liquids is avoided.
In the prior art, in the actual use process, because the structure of the pipetting device is usually relatively large, the pipetting device needs to be fixed on a laboratory workbench to occupy a certain space, and the pipetting device is relatively poor in moving and carrying capacity, so that the pipetting device is convenient to use.
Disclosure of utility model
(One) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a portable pipetting device.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the portable pipetting device comprises a pipetting device body and an installation gun nozzle, wherein the installation gun nozzle is fixedly connected to the lower surface of the pipetting device body, a grab handle is movably connected to the outer surface of the pipetting device body, a switch button is arranged on the lower surface of the pipetting device body, a control button is arranged on the lower surface of the pipetting device body, a disposable pipette is arranged at the lower end of the installation gun nozzle, an adjusting mechanism is arranged on the outer surface of the grab handle, and a protection mechanism is arranged on the outer surface of the pipetting device body; the adjusting mechanism comprises a connecting rod fixedly connected to the outer surface of the liquid transfer device body, limiting holes are formed in the outer surfaces of the liquid transfer device body and the grab handle, an inserting rod is inserted into the inner cavity of the limiting holes, one end of the inserting rod is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a telescopic rod, and a spring is sleeved on the outer surface of the telescopic rod; the protection mechanism comprises a spherical connecting piece fixedly connected to the outer surface of the liquid transfer device body, a connecting rope is fixedly connected to the upper surface of the liquid transfer device body, and a protection cover is fixedly connected to one end of the connecting rope.
As an optimal scheme of the portable pipetting device, the inner cavity of the grab handle is rotationally connected with the outer surface of the connecting rod, and the outer surface of the grab handle is fixedly connected with a rubber sleeve.
As a preferable scheme of the portable pipetting device, the outer surface of the grab handle is provided with the mounting hole, and the bottom of the inner cavity of the mounting hole is fixedly connected with the telescopic rod.
As an optimal scheme of the portable pipetting device, two ends of the spring are fixedly connected with the connecting plate and the pipetting device main body respectively.
As an optimal scheme of the portable pipetting device, the protective cover is made of transparent plastic material, and the connecting rope is made of rubber material.
As a preferable scheme of the portable pipetting device, the outer surface of the protective cover is fixedly connected with a limiting plate, and a hole is formed in the inner cavity of the limiting plate and is connected with the spherical connecting piece in a clamping mode.
(III) beneficial effects
The utility model provides a portable pipetting device. The beneficial effects are as follows:
1. Operating personnel drive the pipettor main part through holding the grab handle, installation rifle mouth and disposable pipette remove and carry out the pipetting operation, and outwards remove the connecting plate and drive the inserted bar and outwards remove and make the grab handle lose the fixed spacing of inserted bar, can 90 degrees rotation grab handles down, make it be seven word forms with the pipettor main part, at this moment the grab handle changes into another seven word shape from perpendicular and holds the shape, operating personnel's use of being convenient for can satisfy different operating personnel's different user demands, the device compares traditional pipettor, more light and handy and easy operation, can be according to the free mobile position and carry of needs, the flexibility and the convenience of device have been improved.
2. The operating personnel takes off safety cover and limiting plate from the spherical connecting piece of pipettor main part top with effort to cover the safety cover on the installation rifle mouth, and link together limiting plate and the spherical connecting piece block of pipettor main part below, protect the installation rifle mouth through the safety cover, avoid the installation rifle mouth to receive the damage, prevent dust and impurity entering simultaneously, improve the practicality and the security of device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic side view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the overall structure of the present utility model;
fig. 4 is a partially exploded view of the present utility model.
In the figure, 1, a pipette body; 101. installing a gun nozzle; 102. a grab handle; 103. a switch button; 104. a control button; 105. a disposable pipette; 2. an adjusting mechanism; 201. a connecting rod; 202. a limiting hole; 203. a mounting hole; 204. a telescopic rod; 205. a connecting plate; 206. a rod; 207. a spring; 208. a rubber sleeve; 3. a protective mechanism; 301. a spherical connector; 302. a connecting rope; 303. a protective cover; 304. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1
Referring to fig. 1, 2, 3 and 4, in a first embodiment of the present utility model, the embodiment provides a portable pipetting device, which comprises a pipetting device body 1 and a mounting gun nozzle 101, wherein the mounting gun nozzle 101 is fixedly connected to the lower surface of the pipetting device body 1, a grab handle 102 is movably connected to the outer surface of the pipetting device body 1, a switch button 103 is arranged on the lower surface of the pipetting device body 1, a control button 104 is arranged on the lower surface of the pipetting device body 1, a disposable pipette 105 is arranged at the lower end of the mounting gun nozzle 101, an adjusting mechanism 2 is arranged on the outer surface of the grab handle 102, and a protection mechanism 3 is arranged on the outer surface of the pipetting device body 1;
The adjusting mechanism 2 comprises a connecting rod 201 fixedly connected to the outer surface of the liquid transfer device body 1, limiting holes 202 are formed in the outer surfaces of the liquid transfer device body 1 and the grab handle 102, an inserting rod 206 is inserted into the inner cavity of the limiting holes 202, one end of the inserting rod 206 is fixedly connected with a connecting plate 205, one side of the connecting plate 205 is fixedly connected with a telescopic rod 204, and a spring 207 is sleeved on the outer surface of the telescopic rod 204;
Specifically, the inner cavity of the grab handle 102 is rotationally connected with the outer surface of the connecting rod 201, the outer surface of the grab handle 102 is fixedly connected with a rubber sleeve 208, the outer surface of the grab handle 102 is provided with a mounting hole 203, the bottom of the inner cavity of the mounting hole 203 is fixedly connected with a telescopic rod 204, and two ends of a spring 207 are respectively and fixedly connected with a connecting plate 205 and the pipette body 1.
Further, operating personnel drive the pipettor main part 1 through holding grab handle 102, installation rifle mouth 101 and disposable pipette 105 remove to appointed pipetting place and carry out pipetting operation through control shift knob 103 and control button 104, grab handle 102 surface fixedly connected with rubber sleeve 208, can assist operating personnel better hold grab handle 102, can drive the arbitrary shift position of pipettor main part 1 through grab handle 102 and carry out pipetting operation, and grab handle 102 can change the form of holding, make it be applicable to different operating personnel, satisfy different operating personnel's different use habits, when needs change grab handle 102, at this moment outwards remove connecting plate 205 and drive telescopic link 204 and spring 207 outwards extension, drive the spacing hole 202 on the outside removal messenger of connecting plate 205 makes it leave the pipettor main part 1 completely when the connecting plate 205 outwards remove, at this moment grab handle 102 loses the fixed spacing of inserted link 206, can downwards 90 degrees rotate 102, make it be seven word forms with the pipettor main part 1, at this moment grab handle 102 changes another seven word type holding shape from the vertical type, and through loosening the elasticity that the connecting plate 205 outwards removes the elastic force of self 205 and drives the inside the spacing device through the spring 202 and carry out the spacing device again, can be carried out for the flexible device with the manual operation with the need not to the same time, the flexible device is easy to be satisfied, the need is realized with the manual device is easy to carry out with the operating device has more convenient to carry out the need according to the need of the fact that the inside the operating device is easy to move has improved.
Example 2
Referring to fig. 1 and 2, a second embodiment of the present utility model is based on the previous embodiment, in which the outer surface of the pipette body 1 is provided with a protection mechanism 3;
The protection mechanism 3 comprises a spherical connecting piece 301 fixedly connected to the outer surface of the liquid transfer device body 1, a connecting rope 302 is fixedly connected to the upper surface of the liquid transfer device body 1, and a protection cover 303 is fixedly connected to one end of the connecting rope 302;
Specifically, the protection cover 303 is made of transparent plastic, the connecting rope 302 is made of rubber, the outer surface of the protection cover 303 is fixedly connected with the limiting plate 304, and the inner cavity of the limiting plate 304 is provided with a hole to be connected with the spherical connecting piece 301 in a clamping mode.
Further, when the pipetting is completed, the disposable pipette 105 is removed, the mounting gun nozzle 101 is exposed to the outside air, dust and foreign matters are easily introduced, damage is caused by collision of external force, the protecting cover 303 and the limiting plate 304 are forcibly removed from the spherical connecting piece 301 above the pipette body 1 by an operator, the protecting cover 303 is covered on the mounting gun nozzle 101, the limiting plate 304 is clamped and connected with the spherical connecting piece 301 below the pipette body 1, the mounting gun nozzle 101 is protected through the protecting cover 303, damage to the mounting gun nozzle 101 is avoided, dust and foreign matters are prevented from entering, and the practicability and safety of the device are improved.
Working principle: in the using process of the device, an operator holds the grab handle 102 to drive the pipette body 1, installs the gun nozzle 101 and the disposable pipette 105 to a designated pipetting place and performs pipetting operation through controlling the switch button 103 and the control button 104, the rubber sleeve 208 is fixedly connected to the outer surface of the grab handle 102, the grab handle 102 can be assisted by the operator to better hold the grab handle 102, the grab handle 102 can drive the pipette body 1 to move randomly to perform pipetting operation, the grab handle 102 can change the holding form, so that the grab handle 102 is suitable for different operators, different using habits of different operators are met, when the grab handle 102 needs to be changed, the connecting plate 205 is moved outwards to drive the telescopic rod 204 and the spring 207 to be outwards prolonged, when the connecting plate 205 is moved outwards to drive the inserting rod 206 to be completely separated from the limiting hole 202 on the pipette body 1, at this time, the fixing limit of the inserting rod 206 is lost by the grab handle 102, the handle 102 can be rotated downwards by 90 degrees to form a seven-shaped shape with the liquid dispenser main body 1, at this time, the handle 102 is changed into another seven-shaped holding shape from a vertical shape, the connecting plate 205 is driven to move inwards by the elastic force of the spring 207 by loosening the force of the connecting plate 205 which is pulled outwards to drive the inserting rod 206 to reenter the other limiting hole 202 so as to fix and limit the handle 102 after the adjustment form again, thereby being convenient for operators to use, meeting different use requirements of different operators, the device is lighter and more convenient to operate than the traditional liquid dispenser, can be freely moved and carried according to the requirement, improves the flexibility and convenience of the device, when the liquid dispenser is finished, the disposable liquid dispenser 105 is taken down, the mounting gun nozzle 101 is exposed in the outside air at this time, dust and impurities are easy to enter, and damage is caused by external force due to collision, at this time, the operator forcefully removes the protective cover 303 and the limiting plate 304 from the spherical connecting piece 301 above the pipette body 1, covers the protective cover 303 on the mounting gun nozzle 101, and connects the limiting plate 304 with the spherical connecting piece 301 below the pipette body 1 in a clamping manner, and protects the mounting gun nozzle 101 through the protective cover 303, so that the mounting gun nozzle 101 is prevented from being damaged, dust and impurities are prevented from entering, and the practicability and safety of the device are improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (6)
1. Portable pipetting device, including pipettor main part (1) and installation rifle mouth (101), installation rifle mouth (101) fixed connection is at pipettor main part (1) lower surface, its characterized in that: the automatic pipette comprises a pipette body (1), wherein a grab handle (102) is movably connected to the outer surface of the pipette body (1), a switch button (103) is arranged on the lower surface of the pipette body (1), a control button (104) is arranged on the lower surface of the pipette body (1), a disposable pipette (105) is arranged at the lower end of a mounting gun nozzle (101), an adjusting mechanism (2) is arranged on the outer surface of the grab handle (102), and a protection mechanism (3) is arranged on the outer surface of the pipette body (1);
The adjusting mechanism (2) comprises a connecting rod (201) fixedly connected to the outer surface of the liquid transfer device body (1), limiting holes (202) are formed in the outer surfaces of the liquid transfer device body (1) and the grab handle (102), inserting rods (206) are arranged in the inner cavities of the limiting holes (202) in a penetrating mode, one ends of the inserting rods (206) are fixedly connected with connecting plates (205), one sides of the connecting plates (205) are fixedly connected with telescopic rods (204), and springs (207) are sleeved on the outer surfaces of the telescopic rods (204);
The protection mechanism (3) comprises a spherical connecting piece (301) fixedly connected to the outer surface of the liquid transfer device body (1), a connecting rope (302) is fixedly connected to the upper surface of the liquid transfer device body (1), and a protection cover (303) is fixedly connected to one end of the connecting rope (302).
2. The portable pipetting device of claim 1 wherein: the inner cavity of the grab handle (102) is rotationally connected with the outer surface of the connecting rod (201), and the outer surface of the grab handle (102) is fixedly connected with a rubber sleeve (208).
3. The portable pipetting device of claim 1 wherein: the outer surface of the grab handle (102) is provided with a mounting hole (203), and the bottom of the inner cavity of the mounting hole (203) is fixedly connected with a telescopic rod (204).
4. The portable pipetting device of claim 1 wherein: two ends of the spring (207) are fixedly connected with the connecting plate (205) and the pipette body (1) respectively.
5. The portable pipetting device of claim 1 wherein: the protective cover (303) is made of transparent plastic materials, and the connecting rope (302) is made of rubber materials.
6. The portable pipetting device of claim 1 wherein: the outer surface of the protective cover (303) is fixedly connected with a limiting plate (304), and a hole is formed in the inner cavity of the limiting plate (304) and is connected with the spherical connecting piece (301) in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375642.7U CN220803335U (en) | 2023-09-01 | 2023-09-01 | Portable pipetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375642.7U CN220803335U (en) | 2023-09-01 | 2023-09-01 | Portable pipetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220803335U true CN220803335U (en) | 2024-04-19 |
Family
ID=90713293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322375642.7U Active CN220803335U (en) | 2023-09-01 | 2023-09-01 | Portable pipetting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220803335U (en) |
-
2023
- 2023-09-01 CN CN202322375642.7U patent/CN220803335U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |