CN213726592U - Portable pipettor - Google Patents
Portable pipettor Download PDFInfo
- Publication number
- CN213726592U CN213726592U CN202022386891.2U CN202022386891U CN213726592U CN 213726592 U CN213726592 U CN 213726592U CN 202022386891 U CN202022386891 U CN 202022386891U CN 213726592 U CN213726592 U CN 213726592U
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- CN
- China
- Prior art keywords
- pipette
- push rod
- liquid transfer
- pipettor
- barrel
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- 239000007788 liquid Substances 0.000 claims abstract description 75
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 33
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 7
- 241001330002 Bambuseae Species 0.000 abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 7
- 239000011425 bamboo Substances 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a portable liquid transfer device, which mainly aims to solve the problem that the existing liquid transfer device is inconvenient to carry; this pipettor includes a liquid transfer section of thick bamboo, liquid transfer section of thick bamboo upper end is provided with the screw thread push rod, screw thread push rod top is provided with the push rod pressure head, the inside stopper that is provided with of liquid transfer section of thick bamboo, stopper center offer with screw thread push rod matched with screw thread hole, screw thread push rod bottom is provided with sealing piston, liquid transfer section of thick bamboo outer wall is provided with the scale mark, liquid transfer section of thick bamboo bottom is provided with the detachable pipette, the inside four fixture that are provided with the centre gripping pipette of liquid transfer section of thick bamboo, fixture includes briquetting and spring, the fixture top is provided with the sealing ring, the sealing ring center seted up with pipette outer wall matched with circular cone hole. The pipettor has been equipped with the containing box, carries pipettor and feed liquor pipe, and the containing box makes things convenient for going out of pipettor to carry, is convenient for change pipettor and feed liquor pipe many times.
Description
Technical Field
The utility model relates to an experimental facilities field specifically is a pipettor convenient to carry.
Background
In the fields of biology, medicine and chemistry, some experimental studies on analytical tests are often performed, and these studies usually require quantitative liquid transfer, and liquid is generally removed by using a pipette. A pipette, also known as a pipette gun, is a dosing device for transferring liquids. In the study of biomedical experiments, a small amount or trace amount of liquid is generally removed by a pipette.
Pipettor a great variety, generally constitute by parts such as a pipette section of thick bamboo and suction head, but the inside precision parts of present pipettor are more, go out to carry and easily damage, and the pipettor that the laboratory used is equipped with many disposable suction heads, and when the disposable suction head was changed in the laboratory, the easy damage pipettor internals was changed inconveniently, can't satisfy normal carrying and use, and when present pipettor was in the maloperation, liquid flowed into inside the pipettor easily, led to the pipettor to damage unable use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipettor convenient to carry to reach above-mentioned purpose.
In order to achieve the above object, the utility model provides a following technical scheme:
a portable pipettor comprises a liquid transfer cylinder and is characterized in that a threaded push rod is arranged at the upper end of the liquid transfer cylinder, a push rod pressing head is arranged at the top of the threaded push rod, a limiting block is arranged inside the liquid transfer cylinder, a threaded hole matched with the threaded push rod is formed in the center of the limiting block, a sealing piston is arranged at the bottom of the threaded push rod, a scale mark is arranged on the outer wall of the liquid transfer cylinder, a detachable pipette is arranged at the bottom of the liquid transfer cylinder, four clamping mechanisms for clamping the pipette are arranged inside the liquid transfer cylinder, each clamping mechanism comprises a pressing block and a spring, the pressing blocks are uniformly distributed on the side wall of the pipette, the springs are fixedly connected with the pressing blocks, a sealing ring is arranged above the clamping mechanisms, a conical hole matched with the outer wall of the pipette is formed in the center of the sealing ring,
on the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:
in one alternative: the bottom of the liquid suction pipe is provided with a filter screen for filtering liquid impurities.
In one alternative: the push rod pressure head lateral wall is provided with the heliciform decorative pattern of being convenient for to rotate, move the liquid barrel outer wall and be provided with the rings of being convenient for use and taking.
In one alternative: the pipette is made of glass or transparent plastic, and the pipette barrel is provided with pipettes with different specifications.
In one alternative: the inner wall of the liquid transferring cylinder is provided with an isolation net made of high polymer materials
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the pipettor is provided with the detachable pipette, pipettes with different volumes can be used according to different sizes, and the pipette matched with the pipettor can be replaced when different liquids are moved, so that mutual pollution among different liquids is avoided; the clamping mechanism is arranged between the pipettor and the pipette, and the disassembly is simple and convenient.
2. By arranging the isolation net on the inner wall of the liquid transfer cylinder, liquid cannot pollute the main body of the liquid transfer gun during liquid taking, so that the liquid is effectively prevented from entering the main body of the liquid transfer device to damage internal precise parts, and the service life of the liquid transfer device is prolonged; the filter screen that the imbibition intraduct set up can prevent to take the inside solid particle and other impurity entering pipettors of adulterating of liquid.
3. The liquid transfer device is provided with a containing box which can carry the liquid transfer device and matched liquid inlet pipes with different specifications, and containing grooves with different sizes are arranged in the containing box to prevent the liquid inlet pipes from colliding with each other after being separated so as to be damaged; the containing box is convenient for the liquid transfer device to be carried and used outside, and is convenient for the liquid transfer device and the liquid inlet pipe to be replaced for multiple times; the pipettor is provided with the hanging ring and the spiral patterns convenient for the staff to use, accords with the ergonomics, is convenient to hold, is simple to use, has low liquid taking difficulty, better controls the precision, has good internal sealing property, and is not easy to generate the problems of dripping or channeling liquid and the like
Drawings
Fig. 1 is a schematic structural diagram of a pipette.
Fig. 2 is a schematic structural view of a receiving box in a pipette.
Notations for reference numerals: 1-a liquid transferring cylinder, 2-a threaded push rod, 3-a push rod pressure head, 4-a limiting block, 5-a sealing piston, 6-a scale mark, 7-a sealing ring, 8-a spring, 9-a pressing block, 10-a liquid sucking pipe, 11-an isolation net, 12-a spiral pattern, 13-a filter screen, 14-a storage box, 141-a storage pad, 142-a box body, 143-a storage groove, 144-a handle and 15-a hanging ring.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, a portable pipette includes a liquid transfer cylinder 1, and is characterized in that a threaded push rod 2 having a collinear center is disposed at the upper end of the liquid transfer cylinder 1, a cylindrical push rod pressing head 3 is disposed at the top of the threaded push rod 2, a stopper 4 is disposed inside the liquid transfer cylinder 1, a threaded hole matched with the threaded push rod 2 is disposed at the center of the stopper 4, the stopper 4 controls the up-and-down movement of the threaded push rod 2 through the threaded fit with the threaded push rod 2, a sealing piston 5 is disposed at the bottom of the threaded push rod 2, the threaded push rod 2 drives the sealing piston 5 to slide up and down on the inner wall of the liquid transfer cylinder 1, a scale mark 6 is disposed on the outer wall of the liquid transfer cylinder 1, a detachable pipette 10 is disposed at the bottom of the liquid transfer cylinder 1, and four clamping mechanisms for clamping the pipette 10 are disposed inside the liquid transfer cylinder 1, four fixture evenly distributed in pipette 10 outer wall, fixture includes briquetting 9 and spring 8, briquetting 9 evenly distributed in pipette 10 lateral wall, spring 8 and 9 fixed connection of briquetting, spring 8 are through elasticity extrusion briquetting 9, and briquetting 9 extrusion pipette 10 lateral wall is firm in order to guarantee the centre gripping of pipette 10, the fixture top is provided with sealing ring 7, 7 centers of sealing ring have been seted up with pipette 10 outer wall matched with circular cone hole, and circular cone hole cooperatees with the top of pipette 10, has guaranteed the inside sealed of pipetting cylinder 1.
The liquid transferring cylinder 1 and the liquid sucking pipe 10 are provided with a portable containing box 14, and the containing box 14 comprises a containing pad 141, a box body 142, a containing groove 143 and a handle 144; the containing pad 141 is made of foam to protect the safety of the pipette barrel 1 and the pipette 10 in the moving process, the handle 144 is arranged on the side wall of the containing box 14 to facilitate the moving and carrying of the box body, and the filter screen 13 for filtering liquid impurities is arranged at the bottom of the pipette 10 to prevent the liquid impurities from entering the pipette and affecting the normal use; the side wall of the push rod pressing head 3 is provided with a spiral pattern 12 convenient to rotate, and the outer wall of the liquid transferring cylinder 1 is provided with a hanging ring 15 convenient to use and take; the pipette 10 is made of glass or transparent plastic, so that the flow direction of liquid in the pipette 10 can be observed conveniently, the liquid is prevented from being sucked into the pipette barrel 1 by misoperation, the pipette barrel 1 is provided with the pipettes 10 of different specifications and can be applied to different use occasions, the storage box 14 is provided with a storage groove 143 for storing the pipettes 10 of various specifications, the outer wall of the pipette barrel is provided with a hanging ring convenient to use and take, the inner wall of the pipette barrel 1 is provided with a separation net 11 made of high polymer materials, the separation net 11 is made of high polymer materials only allowing air to pass through but not allowing water molecules to pass through, and the liquid is prevented from being sucked into the pipette by misoperation, and other parts in the pipette are prevented from being damaged.
The utility model discloses a theory of operation is: when a user needs to carry a pipettor out, the pipettor is divided into a pipette barrel 1 and a pipette tube 10 and is accommodated in a storage box 14, the storage box 14 is provided with a storage groove 143 for storing pipettes 10 with various specifications, the pipettes 10 with different specifications are convenient to carry, when the pipettes need to be taken, the storage box 14 is opened, the pipette barrel 1 and the pipette tube 10 are taken out, the pipette tube 10 with the proper specification is selected according to the capacity of the liquid to be moved, the top end of the pipette tube 10 is inserted into the bottom of the pipette barrel 1, a spring 8 extrudes a pressing block 9 through elasticity, the pipette 10 is extruded towards the center by the pressing block 9 uniformly distributed on the side wall of the pipette tube 10, the pipette tube 10 is clamped, the top of the pipette tube 10 is contacted with a conical hole in the center of a sealing ring 7, the sealing ring 7 completely seals the inside of the pipette barrel 1, the inside of the pipette tube 10 is communicated with the inside of the pipette barrel 1, the pipette barrel 1 is vertically held, a pressing head 3 is rotated, the push rod pressure head 3 drives the threaded push rod 2 to rotate, the threaded push rod 2 is matched with a threaded hole in the center of the limiting block 4, the threaded push rod 2 moves downwards under the action of the threaded hole, a sealing piston 5 fixedly arranged at the bottom of the threaded push rod 2 moves downwards, the outer wall of the liquid moving cylinder 1 is provided with scale marks 6, and when the top end of the sealing piston 5 moves to a required scale mark, the push rod pressure head 3 stops rotating; slowly placing the bottom of a pipette 10 into liquid to be taken, rotating a push rod pressure head 3, slowly taking out the bottom of the pipette 10 from the liquid because a sealing space is formed between the pipette 10 and a pipette barrel 1, enabling a sealing piston 5 to move upwards, pressing the liquid into the pipette 10 by atmospheric pressure, enabling the push rod pressure head 3 not to rotate when the sealing piston 5 moves to the bottom of a limiting block 4, completing liquid taking operation, only reversely rotating the push rod pressure head 3 to discharge the liquid in the pipette 10 when the liquid in the pipette 10 needs to be taken, splitting the pipette into the pipette barrel 1 and the pipette 10 after the use of the pipette is finished, and placing the pipette into a storage box 14 after cleaning; the bottom of the pipette 10 is provided with a filter screen 13 to prevent impurities in the taken liquid from influencing the experimental use, the pipette is provided with pipettes 10 of various specifications to facilitate taking of liquids of different volumes, and the pipette is provided with a spiral pattern 12 and a hanging ring 15 which facilitate taking of the liquid by workers; the separation net 11 made of high molecular materials only allowing air to pass through but not allowing water molecules to pass through is arranged in the liquid transfer barrel 1, so that liquid is prevented from being sucked into the liquid transfer device by misoperation, and other parts in the liquid transfer device are prevented from being damaged.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (5)
1. A portable pipettor comprises a pipette barrel (1) and is characterized in that a threaded push rod (2) is arranged at the upper end of the pipette barrel (1), a push rod pressure head (3) is arranged at the top of the threaded push rod (2), a limit block (4) is arranged inside the pipette barrel (1), a threaded hole matched with the threaded push rod (2) is formed in the center of the limit block (4), a sealing piston (5) is arranged at the bottom of the threaded push rod (2), scale marks (6) are arranged on the outer wall of the pipette barrel (1), a detachable pipette (10) is arranged at the bottom of the pipette barrel (1), four clamping mechanisms for clamping the pipette (10) are arranged inside the pipette barrel (1), each clamping mechanism comprises a pressing block (9) and a spring (8), the pressing blocks (9) are uniformly distributed on the side wall of the pipette barrel (10), and the springs (8) are fixedly connected with the pressing blocks (9), and a sealing ring (7) is arranged above the clamping mechanism, and a conical hole matched with the outer wall of the pipette (10) is formed in the center of the sealing ring (7).
2. The pipette according to claim 1, characterized in that the pipette (10) is provided with a strainer (13) at its bottom for filtering liquid impurities.
3. The pipette according to claim 1, wherein the side wall of the push rod pressure head (3) is provided with a spiral pattern (12) convenient for rotation, and the outer wall of the pipette barrel (1) is provided with a hanging ring (15) convenient for use and taking.
4. The pipette according to claim 1, characterized in that the pipette (10) is made of glass or transparent plastic, and the pipette cartridges (1) are equipped with pipettes (10) of different specifications.
5. The pipette according to claim 1, characterized in that an isolation mesh (11) made of a polymer material is arranged on the inner wall of the pipette barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386891.2U CN213726592U (en) | 2020-10-23 | 2020-10-23 | Portable pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386891.2U CN213726592U (en) | 2020-10-23 | 2020-10-23 | Portable pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213726592U true CN213726592U (en) | 2021-07-20 |
Family
ID=76852516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022386891.2U Active CN213726592U (en) | 2020-10-23 | 2020-10-23 | Portable pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213726592U (en) |
-
2020
- 2020-10-23 CN CN202022386891.2U patent/CN213726592U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240219 Address after: Room B1502, 15th Floor, Building 3, No. 88 Longyuan Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhejiang Gaomei Gene Technology Co.,Ltd. Country or region after: China Address before: 1-2302-7, 15612 Century Avenue, high tech Zone, Jinan City, Shandong Province Patentee before: Shandong Saiya Biotechnology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240308 Address after: Room 501, Building A2, No. 555 Chuangye Road, Dayun Town, Jiashan County, Jiaxing City, Zhejiang Province, 310000 (Residence application) Patentee after: Zhejiang Gaomei Biotechnology Co.,Ltd. Country or region after: China Address before: Room B1502, 15th Floor, Building 3, No. 88 Longyuan Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province, 310000 Patentee before: Zhejiang Gaomei Gene Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |