CN214439171U - Medical treatment is with dismantling pipettor suction nozzle - Google Patents
Medical treatment is with dismantling pipettor suction nozzle Download PDFInfo
- Publication number
- CN214439171U CN214439171U CN202021635460.9U CN202021635460U CN214439171U CN 214439171 U CN214439171 U CN 214439171U CN 202021635460 U CN202021635460 U CN 202021635460U CN 214439171 U CN214439171 U CN 214439171U
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- China
- Prior art keywords
- connecting pipe
- liquid taking
- suction nozzle
- taking cylinder
- piston
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- 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
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012863 analytical testing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model belongs to the technical field of pipettors, in particular to a medical detachable pipette suction nozzle, which comprises a liquid taking cylinder, wherein the liquid taking cylinder is of a hollow cylindrical structure, a piston is arranged in the liquid taking cylinder, the piston is in sliding connection with the inner side wall of the liquid taking cylinder, one side of the piston is fixedly connected with a piston rod, one end of the piston rod extends out of the liquid taking cylinder and is fixedly connected with a push-pull handle, one end of the liquid taking cylinder, which is far away from the push-pull handle, is fixedly communicated with a connecting pipe sleeve, one end of the connecting pipe sleeve, which is far away from the liquid taking cylinder, is provided with an annular insertion hole, a connecting pipe is slidably inserted in the annular insertion hole, the detachable connection between the suction nozzle and the pipettor is realized through the arrangement of a plurality of adjusting mechanisms, so that a worker can respectively replace suction nozzles with models matched with the test plate holes when carrying out liquid removal on the test plate holes with different models, thereby improving the use effect of the pipettor.
Description
Technical Field
The utility model belongs to the technical field of the pipettor, especially, relate to a medical treatment is with dismantling pipettor suction nozzle.
Background
A pipette, also known as a pipette gun, is a device for transferring liquid quantitatively. In conducting analytical testing studies, small or minute amounts of liquid are typically removed using a pipette. Pipettes can be divided into gas piston pipettes and external piston pipettes according to the principle. The gas piston type pipettor is mainly used for standard pipetting, and the external piston type pipettor is mainly used for treating special liquids such as volatile liquid, easy corrosion and viscous liquid.
The structure of the existing pipettor is single, and the suction nozzle on the pipettor is not convenient to disassemble and assemble in the using process, so that the using effect of the pipettor is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current pipettor structure and all comparatively singlely, be not convenient for carry out the dismouting to the suction nozzle on the pipettor at the in-process that uses to reduced the result of use's problem, and the medical treatment that proposes is with dismantling the pipettor suction nozzle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a medical treatment is with dismantling pipettor suction nozzle, includes gets the liquid section of thick bamboo, it is hollow column structure to get the liquid section of thick bamboo, it is equipped with the piston to get the liquid section of thick bamboo, piston and the inside wall sliding connection who gets the liquid section of thick bamboo, one side fixedly connected with piston rod of piston, the one end of piston rod extends gets liquid section of thick bamboo and fixedly connected with push-and-pull handle, it keeps away from the fixed intercommunication of one end of push-and-pull handle to get the liquid section of thick bamboo has the connecting tube cover, the one end that gets the liquid section of thick bamboo is kept away from to the connecting tube cover is equipped with cyclic annular jack, it is equipped with the connecting pipe to slide in the cyclic annular jack to insert, the fixed intercommunication of one end that the connecting tube cover was kept away from to the connecting pipe has the suction nozzle, the one end that the connecting tube cover is close to the connecting pipe is equipped with two installation chambeies that the symmetry set up, two all be equipped with fixed establishment in the installation.
Preferably, the fixing mechanism includes a moving block, the moving block is located in the installation cavity, the moving block is slidably connected with the inner side wall of the installation cavity, one side of the moving block, which is close to the suction nozzle, is fixedly connected with a clamping rod, one end of the clamping rod penetrates through the inner wall of the installation cavity and extends into the annular jack, a clamping groove corresponding to the clamping rod is formed in the connecting pipe, one side of the moving block, which is far away from the clamping rod, is fixedly connected with a moving rod, one end of the moving rod penetrates through the inner wall of the installation cavity and extends outwards, one end of the moving rod extends is fixedly connected with a moving handle, a spring is sleeved on the moving rod and is located in the installation cavity, and two ends of the spring are respectively fixedly connected with the moving block and the inner wall of the installation cavity.
Preferably, one end of the liquid taking barrel, which is far away from the connecting pipe sleeve, is fixedly connected with a pinching handle, and one side of the pinching handle, which is far away from the push-pull handle, is provided with a pinching finger groove.
Preferably, a rubber cushion block is fixedly bonded in the annular jack, and one side of the rubber cushion block abuts against one end of the connecting pipe.
Preferably, the outer wall of the liquid taking barrel is provided with liquid level observation scale marks.
Preferably, the suction nozzle is of a hollow cone structure, and the tip is provided with an opening.
Has the advantages that:
1. the utility model discloses in, when needs move the liquid, utilize to hold between the fingers and hold between the fingers the handle and hold between the fingers and hold the pipettor, stretch into the suction nozzle again with the experiment board of its adaptation downthehole, move in getting the liquid section of thick bamboo through pressing down push-pull handle drive piston, it is downthehole to inject liquid into the experiment board at the in-process that removes through the piston to the purpose that moves the liquid has been reached.
2. The utility model discloses in, when the laboratory plate hole to different models moves the liquid, when needs are dismantled the suction nozzle and are changed, utilize the removal handle to drive the carriage release lever and remove, drive the movable block through the carriage release lever and remove in the installation cavity, make the cover establish the spring on the carriage release lever compressed to make the kelly shift out in the draw-in groove on the connecting tube cover, shift out the connecting tube in the cyclic annular slot in the connecting tube cover this moment, realize the dismantlement to the suction nozzle, make its installation dismantle convenient, improved the availability factor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a front cross section of a detachable pipette tip for medical use;
fig. 2 is an external structural view of a detachable pipette tip for medical use;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1-liquid taking cylinder, 2-piston, 3-piston rod, 4-push-pull handle, 5-connecting pipe sleeve, 6-connecting pipe, 7-suction nozzle, 8-installation cavity, 9-moving block, 10-clamping rod, 11-moving rod, 12-moving handle, 13-spring, 14-holding handle, 15-rubber cushion block and 16-liquid level observation scale mark.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a detachable pipette nozzle for medical use comprises a liquid taking barrel 1, wherein the liquid taking barrel 1 is of a hollow cylindrical structure, a piston 2 is arranged in the liquid taking barrel 1, the piston 2 is slidably connected with the inner side wall of the liquid taking barrel 1, a piston rod 3 is fixedly connected to one side of the piston 2, one end of the piston rod 3 extends out of the liquid taking barrel 1 and is fixedly connected with a push-pull handle 4, one end of the liquid taking barrel 1, which is far away from the push-pull handle 4, is fixedly communicated with a connecting pipe sleeve 5, one end of the connecting pipe sleeve 5, which is far away from the liquid taking barrel 1, is provided with an annular insertion hole, a connecting pipe 6 is slidably inserted in the annular insertion hole, one end of the connecting pipe 6, which is far away from the connecting pipe sleeve 5, is fixedly communicated with a suction nozzle 7, one end of the connecting pipe sleeve 5, which is close to the connecting pipe 6, is provided with two symmetrically arranged installation cavities 8, and fixing mechanisms are arranged in the two installation cavities 8.
In this embodiment, the fixing mechanism includes a moving block 9, the moving block 9 is located in the installation cavity, the moving block 9 is slidably connected to the inner side wall of the installation cavity, a clamping rod 10 is fixedly connected to one side of the moving block 9 close to the suction nozzle 7, one end of the clamping rod 10 penetrates through the inner wall of the installation cavity and extends into the annular insertion hole, a clamping groove corresponding to the clamping rod 10 is arranged on the connecting pipe 6, a moving rod 11 is fixedly connected to one side of the moving block 9 away from the clamping rod 10, one end of the moving rod 11 penetrates through the inner wall of the installation cavity and extends outward, a moving handle 12 is fixedly connected to one end of the moving rod 11, a spring 13 is sleeved on the moving rod 11, the spring 13 is located in the installation cavity, two ends of the spring 13 are respectively fixedly connected to the moving block 9 and the inner wall of the installation cavity, the moving block 9 is driven by the moving rod 11 to move in the installation cavity, the spring 13 on the moving rod 11 is compressed, so that the clamping rod 10 is moved out from the clamping groove on the connecting pipe sleeve 5, at the moment, the connecting pipe 6 is drawn out from the annular jack in the connecting pipe sleeve 5, so that the suction nozzle 7 is disassembled, the installation and the disassembly are convenient, and the use efficiency is improved; one end of the liquid taking barrel 1, which is far away from the connecting pipe sleeve 5, is fixedly connected with a pinching handle 14, and one side of the pinching handle 14, which is far away from the push-pull handle 4, is provided with a pinching finger groove; a rubber cushion block 15 is fixedly bonded in the annular jack, and one side of the rubber cushion block 15 is abutted against one end of the connecting pipe 6; the outer wall of the liquid taking barrel 1 is provided with a liquid level observation scale mark 16; the suction nozzle 7 is a hollow cone structure, and the tip end is provided with an opening.
The working principle is as follows: when liquid is needed to be transferred, the liquid transfer device is held by the holding handle 14, the suction nozzle 7 is extended into the hole of the experiment plate matched with the suction nozzle, the piston 2 is driven to move in the liquid taking barrel 1 by pressing the push-pull handle 4, and the liquid is injected into the hole of the experimental plate by the piston 2 in the moving process, thereby achieving the aim of liquid transfer, when the liquid is transferred to the test plate holes of different models, when the suction nozzle 7 needs to be disassembled and replaced, the movable handle 12 is used for driving the movable rod 11 to move, the moving block 9 is driven by the moving rod 11 to move in the mounting cavity 8, so that the spring 13 sleeved on the moving rod 11 is compressed, therefore, the clamping rod 10 is moved out of the clamping groove in the connecting pipe sleeve 5, the connecting pipe 6 is moved out of the annular jack in the connecting pipe sleeve 5 at the moment, the suction nozzle 7 is disassembled, the mounting and the disassembling are convenient, and the using efficiency is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a medical treatment is with dismantling pipettor suction nozzle, includes gets a liquid section of thick bamboo (1), its characterized in that: the liquid taking cylinder (1) is of a hollow cylindrical structure, a piston (2) is arranged in the liquid taking cylinder (1), the piston (2) is connected with the inner side wall of the liquid taking cylinder (1) in a sliding manner, a piston rod (3) is fixedly connected to one side of the piston (2), one end of the piston rod (3) extends out of the liquid taking cylinder (1) and is fixedly connected with a push-pull handle (4), one end of the liquid taking cylinder (1) far away from the push-pull handle (4) is fixedly communicated with a connecting pipe sleeve (5), one end of the connecting pipe sleeve (5) far away from the liquid taking cylinder (1) is provided with an annular insertion hole, a connecting pipe (6) is inserted in the annular insertion hole in a sliding manner, one end of the connecting pipe (6) far away from the connecting pipe sleeve (5) is fixedly communicated with a suction nozzle (7), and one end of the connecting pipe sleeve (5) close to the connecting pipe (6) is provided with two symmetrically arranged installation cavities (8), and fixing mechanisms are arranged in the two mounting cavities (8).
2. The medical detachable pipette tip according to claim 1, characterized in that: the fixing mechanism comprises a moving block (9), the moving block (9) is positioned in the mounting cavity, the moving block (9) is connected with the inner side wall of the mounting cavity in a sliding manner, one side of the moving block (9) close to the suction nozzle (7) is fixedly connected with a clamping rod (10), one end of the clamping rod (10) penetrates through the inner wall of the mounting cavity and extends into the annular jack, a clamping groove corresponding to the clamping rod (10) is arranged on the connecting pipe (6), one side of the moving block (9) far away from the clamping rod (10) is fixedly connected with a moving rod (11), one end of the movable rod (11) penetrates through the inner wall of the mounting cavity and extends outwards, one extending end of the movable rod (11) is fixedly connected with a movable handle (12), a spring (13) is sleeved on the movable rod (11), the spring (13) is positioned in the mounting cavity, and two ends of the spring (13) are respectively fixedly connected with the moving block (9) and the inner wall of the mounting cavity.
3. The medical detachable pipette tip according to claim 1, characterized in that: one end of the liquid taking barrel (1) far away from the connecting pipe sleeve (5) is fixedly connected with a pinching handle (14), and one side of the pinching handle (14) far away from the push-pull handle (4) is provided with a pinching finger groove.
4. The medical detachable pipette tip according to claim 1, characterized in that: and a rubber cushion block (15) is fixedly bonded in the annular jack, and one side of the rubber cushion block (15) is abutted against one end of the connecting pipe (6).
5. The medical detachable pipette tip according to claim 1, characterized in that: the outer wall of the liquid taking barrel (1) is provided with liquid level observation scale marks (16).
6. The medical detachable pipette tip according to claim 1, characterized in that: the suction nozzle (7) is of a hollow cone structure, and the tip end of the suction nozzle is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635460.9U CN214439171U (en) | 2020-08-09 | 2020-08-09 | Medical treatment is with dismantling pipettor suction nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021635460.9U CN214439171U (en) | 2020-08-09 | 2020-08-09 | Medical treatment is with dismantling pipettor suction nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214439171U true CN214439171U (en) | 2021-10-22 |
Family
ID=78119652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021635460.9U Expired - Fee Related CN214439171U (en) | 2020-08-09 | 2020-08-09 | Medical treatment is with dismantling pipettor suction nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214439171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976198A (en) * | 2021-10-29 | 2022-01-28 | 美东汇成生命科技(昆山)有限公司 | Multifunctional liquid transfer suction head |
-
2020
- 2020-08-09 CN CN202021635460.9U patent/CN214439171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976198A (en) * | 2021-10-29 | 2022-01-28 | 美东汇成生命科技(昆山)有限公司 | Multifunctional liquid transfer suction head |
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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: 20211022 |