CN219830434U - Micro-pipette - Google Patents
Micro-pipette Download PDFInfo
- Publication number
- CN219830434U CN219830434U CN202320804317.5U CN202320804317U CN219830434U CN 219830434 U CN219830434 U CN 219830434U CN 202320804317 U CN202320804317 U CN 202320804317U CN 219830434 U CN219830434 U CN 219830434U
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- CN
- China
- Prior art keywords
- wall
- shell
- fixing
- piston
- block
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 16
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 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 experimental detection and discloses a micropipette, which comprises a shell, wherein a piston is connected to the inner wall of the shell in a sliding manner, a liquid taking rod is connected to the upper end of the outer wall of the piston in a threaded manner, two fixing rings are arranged at the upper end of the outer wall of the shell, connecting columns are fixedly connected to the separated ends of the outer walls of the two fixing rings, hand pressing plates are fixedly connected to the separated ends of the outer walls of the two connecting columns, supporting blocks are fixedly connected to the four corners of the upper end of the outer wall of the shell, and springs are arranged at the four corners of the upper end of the outer wall of the shell. According to the utility model, the piston and the night driving rod can not fall out from the shell through the fixing ring, the connecting column, the hand pressing plate, the spring and the supporting block, and after the piston is used, the fixing ring is pressed inwards by pressing the hand pressing plate, so that the piston can be taken out, a new piston can be conveniently replaced, the shell is conveniently cleaned, materials are saved, a product can be reused, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of experimental detection, in particular to a micropipette.
Background
The micro-liquid-removing device is a precise liquid-taking device which can be adjusted at will within a certain capacity range, is a necessary tool for collecting and removing samples in the analysis processes of biology, chemistry, clinical experiments and the like, and can be used for assisting in detection when detecting agricultural product detection liquid.
Some conventional micropipettes use a housing to wrap the whole piston and the liquid taking rod, so that the used piston cannot be replaced, and the micropipettes are disposable, so that materials are wasted excessively, the use cost is increased, and when the micropipettes are kept, the suction head is exposed to the outside, so that the suction head can be polluted, so that the trace agricultural product detection liquid is easy to pollute the agricultural product detection liquid, the detection liquid can be detected incorrectly, and the work efficiency is reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a micropipette.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a micropipette, includes the shell, shell inner wall sliding connection has the piston, piston outer wall upper end threaded connection has the liquid pole of getting, shell outer wall upper end is provided with two solid fixed rings, two gu fixed ring outer wall's equal fixedly connected with spliced pole of one end that leaves, two the spliced pole outer wall leaves equal fixedly connected with hand clamp plate of one end, shell outer wall upper end four corners department all fixedly connected with supporting shoe, shell outer wall upper end four corners department all is provided with the spring, shell outer wall lower extreme left side is provided with protection piece one, protection piece one outer wall upper end fixedly connected with fixed block one, the inside slotted hole that is provided with of fixed block one, protection piece one outer wall lower extreme fixedly connected with fixed block three, the inside slotted hole that is provided with of fixed block three is that shell outer wall right-hand member is provided with protection piece two, protection piece two outer wall upper end fixedly connected with fixed block two, fixed block two inside is provided with slotted hole two, the inside sliding connection has fixed column one of slotted hole, protection piece outer wall lower extreme fixedly connected with fixed block four, four inside slotted holes that are connected with four fixed blocks inside the inside of fixed block, four fixed block inside is provided with the slotted hole.
As a further description of the above technical solution:
one end of the spring is connected with the hand pressing plate, and the other end of the spring is connected with the supporting block.
As a further description of the above technical solution:
the two fixing rings are arranged in a staggered mode.
As a further description of the above technical solution:
the first slot is communicated with the second slot, and the third slot is communicated with the fourth slot.
As a further description of the above technical solution:
the fixed column penetrates through the first slot hole and the second slot hole, and the fixed column penetrates through the third slot hole and the fourth slot hole.
As a further description of the above technical solution:
and a sealing gasket is arranged at the bottom end of the outer wall of the piston.
As a further description of the above technical solution:
the shell is made of polypropylene material.
The utility model has the following beneficial effects:
1. according to the utility model, the piston and the night driving rod can not fall out of the shell through the fixing ring, the connecting column, the hand pressing plate, the spring and the supporting block, and after the piston is used, the fixing ring is pressed inwards by pressing the hand pressing plate, so that the piston can be taken out, a new piston is conveniently replaced, the shell is also conveniently cleaned, and therefore, only the piston is replaced, materials are saved, a product can be reused, and the cost is reduced.
2. According to the utility model, the suction head part can be protected through the protection block, the fixing block and the fixing column, so that the suction head part is prevented from being polluted, the detection liquid is not polluted in the liquid dispenser, the detection accuracy of the detection liquid is not hindered, and the working efficiency is improved.
Drawings
FIG. 1 is a perspective view of a micropipette according to the present utility model;
FIG. 2 is a partial view of a retaining ring of a micropipette according to the present utility model;
FIG. 3 is a partial view of a protection block of a micropipette according to the present utility model;
fig. 4 is a cut-away view of a housing of a micropipette according to the present utility model.
Legend description:
1. a housing; 2. a piston; 3. a liquid taking rod; 4. a fixing ring; 5. a connecting column; 6. a hand pressing plate; 7. a spring; 8. a support block; 9. a first protection block; 10. a first fixed block; 11. a slotted hole I; 12. a second protection block; 13. a second fixed block; 14. a slot II; 15. fixing the first column; 16. a fixed block III; 17. a slot hole III; 18. a fixed block IV; 19. a slot hole IV; 20. fixing the second column; 21. a suction head.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: a micropipette comprises a housing 1, a piston 2 is slidably connected to the inner wall of the housing 1, a liquid taking rod 3 is screwed on the upper end of the outer wall of the piston 2, agricultural product detection liquid can be sucked into the housing 1 from a suction head 21 by pulling the liquid taking rod 3 to drive the piston 2 to rise, two fixing rings 4 are arranged at the upper end of the outer wall of the housing 1, connecting columns 5 are fixedly connected to the separated ends of the outer walls of the two fixing rings 4, hand pressing plates 6 are fixedly connected to the separated ends of the outer walls of the two connecting columns 5, supporting blocks 8 are fixedly connected to the four corners of the upper end of the outer wall of the housing 1, springs 7 are arranged at the four corners of the upper end of the outer wall of the housing 1, the two fixing rings 4 can be pulled to two sides through the elasticity of the springs 7, so that the piston 2 can be prevented from falling out from the interior of the housing 1, and workers can push the two fixing rings 4 to the close side by pressing the two hand pressing plates 6, the two fixing rings 4 are overlapped, the piston 2 can be taken out from the shell 1, the left side of the lower end of the outer wall of the shell 1 is provided with a protecting block I9, the upper end of the outer wall of the protecting block I9 is fixedly connected with a fixing block I10, the inside of the fixing block I10 is provided with a slot I11, the lower end of the outer wall of the protecting block I9 is fixedly connected with a fixing block III 16, the inside of the fixing block III 16 is provided with a slot III 17, the right end of the outer wall of the shell 1 is provided with a protecting block II 12, the upper end of the outer wall of the protecting block II 12 is fixedly connected with a fixing block II 13, the inside of the fixing block II 13 is provided with a slot II 14, the inside of the slot II 14 is slidably connected with a fixing column I15, the lower end of the outer wall of the protecting block II 12 is fixedly connected with a fixing block IV 18, the inside of the fixing block IV 18 is provided with a slot IV 19, the inside of the slot IV 19 is slidably connected with a fixing column II 20, the lower end of the outer wall of the shell 1 is fixedly connected with a suction head 21, by aligning the first fixing block 10 and the second fixing block 13, placing the first fixing column 15 into the first slot 11 and the second slot 14, aligning the third fixing block 16 and the second fixing column 20, and inserting the second fixing column 20 into the third slot 17 and the fourth slot 19, the first protection block 9 and the second protection block 12 can be fixed, and the suction head 21 can be prevented from being polluted.
One end of the spring 7 is connected with the hand pressing plate 6, the other end of the spring 7 is connected with the supporting block 8, the two fixing rings 4 are driven to move towards one end which is separated from the other end through the elastic force 7 of the spring, the two fixing rings 4 are moved towards the other end which is close to the other end through pressing of the hand pressing plate 6, the two fixing rings 4 are arranged in a staggered mode, the two fixing rings 4 can slide conveniently, the first slot hole 11 is not blocked, the second slot hole 14 is communicated, the third slot hole 17 is communicated with the fourth slot hole 19, the first fixing column 15 penetrates through the first slot hole 11 and the second slot hole 14, the second fixing column 20 penetrates through the third slot hole 17 and the fourth slot hole 19, the first fixing column 15 can be conveniently inserted into the first slot hole 11 and the second slot hole 14, the second fixing column 20 can be conveniently inserted into the third slot hole 17 and the fourth slot hole 19, the bottom end of the outer wall of the piston 2 is provided with a sealing gasket, therefore agricultural product detection liquid in the casing 1 can not leak, the casing 1 is made of polypropylene material, and the agricultural product detection liquid can be conveniently observed.
Working principle: firstly, a worker pulls the liquid taking rod 3 to drive the piston 2 to slide in the shell 1, the agricultural product detection liquid is sucked into the shell 1 from the suction head 21, then the liquid taking rod 3 is pressed, the agricultural product detection liquid in the shell 1 is sprayed into the detection instrument, after the micro liquid moving device is used, the worker simultaneously presses the two hand pressing plates 6, so that the two fixing rings 4 move to the similar side, then the piston 2 and the liquid taking rod 3 can be taken out from the shell 1, then the piston 2 is conveniently replaced, cleaning and disinfection are conveniently carried out on the interior of the shell 1, the whole micro liquid moving device can be repeatedly utilized, materials are saved, the cost is reduced, when the micro liquid moving device is required to be kept, the shell 1 and the second protecting block 12 are aligned, the first fixing block 10 is attached to the second fixing block 13, the third fixing block 16 is attached to the fourth fixing block 18, then the first fixing column 15 is placed into the first groove hole 11 and the second groove hole 14, the second fixing column 20 is placed into the third groove hole 17 and the fourth groove hole 19, the first protecting block 9 and the second groove hole 21 can be completely blocked, the accuracy of the micro liquid moving device can be completely prevented from being polluted, and the suction head 21 can be completely prevented from being polluted.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. Micropipette comprising a housing (1), characterized in that: the inner wall of the shell (1) is slidably connected with a piston (2), the upper end of the outer wall of the piston (2) is in threaded connection with a liquid taking rod (3), the upper end of the outer wall of the shell (1) is provided with two fixing rings (4), two connecting columns (5) are fixedly connected with one ends, which are separated from each other, of the outer wall of the fixing rings (4), hand pressing plates (6) are fixedly connected with one ends, which are separated from each other, of the outer wall of the connecting columns (5), supporting blocks (8) are fixedly connected with four corners of the upper end of the outer wall of the shell (1), springs (7) are arranged at four corners of the upper end of the outer wall of the shell (1), a first protecting block (9) is arranged on the left side of the lower end of the outer wall of the shell (1), the upper end of the outer wall of the first protection block (9) is fixedly connected with a first fixing block (10), a first slotted hole (11) is formed in the first fixing block (10), a third fixing block (16) is fixedly connected with the lower end of the outer wall of the first protection block (9), a third slotted hole (17) is formed in the third fixing block (16), a second protection block (12) is arranged at the right end of the outer wall of the shell (1), a second fixing block (13) is fixedly connected with the upper end of the outer wall of the second protection block (12), a second slotted hole (14) is formed in the second fixing block (13), a first fixing column (15) is connected in the second slotted hole (14) in a sliding mode, the protection block is characterized in that a fixing block IV (18) is fixedly connected to the lower end of the outer wall of the protection block II (12), a slot hole IV (19) is formed in the fixing block IV (18), a fixing column II (20) is connected to the slot hole IV (19) in a sliding mode, and a suction head (21) is fixedly connected to the lower end of the outer wall of the shell (1).
2. A micropipette as claimed in claim 1, wherein: one end of the spring (7) is connected with the hand pressing plate (6), and the other end of the spring (7) is connected with the supporting block (8).
3. A micropipette as claimed in claim 1, wherein: the two fixing rings (4) are arranged in a staggered mode.
4. A micropipette as claimed in claim 1, wherein: the first slot (11) is communicated with the second slot (14), and the third slot (17) is communicated with the fourth slot (19).
5. A micropipette as claimed in claim 1, wherein: the first fixing column (15) penetrates through the first slotted hole (11) and the second slotted hole (14), and the second fixing column (20) penetrates through the third slotted hole (17) and the fourth slotted hole (19).
6. A micropipette as claimed in claim 1, wherein: and a sealing gasket is arranged at the bottom end of the outer wall of the piston (2).
7. A micropipette as claimed in claim 1, wherein: the shell (1) is made of polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804317.5U CN219830434U (en) | 2023-09-06 | 2023-09-06 | Micro-pipette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804317.5U CN219830434U (en) | 2023-09-06 | 2023-09-06 | Micro-pipette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830434U true CN219830434U (en) | 2023-10-13 |
Family
ID=88276427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320804317.5U Active CN219830434U (en) | 2023-09-06 | 2023-09-06 | Micro-pipette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830434U (en) |
-
2023
- 2023-09-06 CN CN202320804317.5U patent/CN219830434U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |