CN219784798U - Clinical examination is with pipettor - Google Patents
Clinical examination is with pipettor Download PDFInfo
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- CN219784798U CN219784798U CN202320909532.1U CN202320909532U CN219784798U CN 219784798 U CN219784798 U CN 219784798U CN 202320909532 U CN202320909532 U CN 202320909532U CN 219784798 U CN219784798 U CN 219784798U
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- pipette
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- screw rod
- piston
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- 238000005192 partition Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 13
- 230000000007 visual effect Effects 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 11
- 238000000605 extraction Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a pipette for clinical examination, which comprises a pipette, wherein a partition plate is arranged in the middle of the pipette, a screw is arranged on one side of the upper end of the partition plate, one end of the screw is connected with a knob, a screw block is sleeved on the screw, a guide rod is arranged on one side of the screw, scale marks are attached to the surface of the guide rod, a drawing rod is arranged on the other side of the screw, and limiting blocks are symmetrically arranged on the outer side wall of the drawing rod. The beneficial effects are that: according to the utility model, the knob, the screw block, the screw rod, the scale marks and the guide rod are arranged, in the adjusting process, the knob is only required to be rotated to drive the screw rod to rotate, so that the screw block moves under the action of the screw thread to adjust the position of the screw block, the scale marks on the guide rod can ensure the adjusting precision in the adjusting process, the quantitative extraction can be realized, the quick adjustment by workers is convenient, the usability of the device is ensured, and the practicability of the device is improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a pipette for clinical examination.
Background
A pipette, also called a pipette, is a metering tool that removes liquid from an original container into another container over a range of ranges. Is widely used in the fields of biology, chemistry and the like.
The patent number CN202123189235.4 discloses a clinical examination is with pipettor, including the rifle body, set up regulation chamber and piston chamber in the rifle body, sliding connection has the piston in the piston chamber, sliding connection has one end to be equipped with bulldozes the portion, the connecting rod of piston is connected to the other end on the rifle body, and the other end of piston is equipped with the piston pressure spring of establishing in the piston intracavity, is equipped with the pipetting head on the rifle body, is equipped with driven protruding on the connecting rod, and driven protruding one end that is dorsad the piston is equipped with the initiative briquetting.
In the above patent, although the finger ring can be extended by a single finger, the elastic pull pin is pulled to enable the upper limit pin to be separated from the corresponding gear hole, and the connecting rod is pushed by the hand, so that the function of completing gear adjustment by one hand is realized; not only reach the effect of ration pipetting, can also adjust the liquid transfer volume, use nimble convenient, whole function is perfect, and the practicality is strong, but in actual operation in-process, need the travel distance of accurate control depression bar, then promote the adjusting column through the pressure spring and remove and make gear hole and spacer pin be in same horizontal position just can accomplish gear regulatory function, not only operation process is more loaded down with trivial details, needs constantly finely tune in the regulation in-process moreover, influences device performance, reduces the device practicality.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to solve the technical problem of the prior art, and provides a clinical examination pipette which can be quickly adjusted, realize quantitative pipetting and is convenient to operate.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a pipette for clinical examination, which comprises a pipette, wherein a partition plate is arranged in the middle of the pipette, a screw is arranged on one side of the upper end of the partition plate, one end of the screw is connected with a knob, a screw block is sleeved on the screw, a guide rod is arranged on one side of the screw, scale marks are attached to the surface of the guide rod, a drawing rod is arranged on the other side of the screw, and limiting blocks are symmetrically arranged on the outer side wall of the drawing rod.
Further, the partition plate is formed on the pipette, one end of the screw rod is rotationally connected with the partition plate, and the knob penetrates through the top end of the pipette and the other end of the screw rod to be connected through a screw.
By adopting the technical scheme, the partition plate divides the pipette into a liquid suction cavity and an adjusting cavity, and the knob can drive the screw rod to rotate.
Further, the screw block is in threaded connection with the screw rod, the guide rod is in threaded connection with the partition plate and the pipette, the guide rod penetrates through the screw block, and the scale marks are bonded with the guide rod.
Through adopting above-mentioned technical scheme the screw rod rotates the in-process, the spiral shell piece removes under the screw thread effect, and at the in-process of removing, the guide bar is spacing the direction to it, the scale mark is convenient for the staff to know the position that the spiral shell piece is located.
Further, the pull rod penetrates through the partition plate, the screw rod and the pipette, and the limiting block is connected with the pull rod through a screw.
By adopting the technical scheme, the limiting block can limit the moving distance of the drawing rod, so that quantitative drawing is realized.
Further, a piston is arranged at the bottom end of the drawing rod, the piston is connected with the drawing rod through a screw, and the piston is connected with the pipette in a sliding mode.
By adopting the technical scheme, the drawing rod is pulled to drive the piston to move so as to draw the liquid to be pipetted.
Further, the pipette bottom is formed with a pipette head, and the pipette head is of an inverted cone structure.
By adopting the technical scheme, the pipette head is convenient for the pipette to be inserted into the test tube.
Further, a visual window is arranged on one side wall of the pipette, and the visual window is connected with the pipette through a screw.
By adopting the technical scheme, the visual window can be convenient for staff to observe the position of the screw block on the scale mark in the adjusting process.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
in order to solve the problems that the prior clinical examination pipettor needs to accurately control the moving distance of a compression bar in the actual operation process, and then a gear hole and a limiting pin are positioned at the same horizontal position to finish the gear adjusting function by pushing an adjusting column to move through a pressure spring, the operation process is complicated, fine adjustment is required to be continuously carried out in the adjusting process, the usability of the device is affected, and the practicability of the device is reduced.
Drawings
FIG. 1 is a schematic view showing the structure of a clinical laboratory pipette according to the present utility model;
fig. 2 is a front cross-sectional view of a pipette in a clinical laboratory pipette according to the present utility model.
The reference numerals are explained as follows:
1. a liquid suction head; 2. a pipette; 3. a pull rod; 4. a knob; 5. a visual window; 6. a limiting block; 7. a screw block; 8. scale marks; 9. a screw; 10. a guide rod; 11. a partition plate; 12. and (3) a piston.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-2, the clinical examination pipette in this embodiment comprises a pipette 2, a partition plate 11 is arranged in the middle of the pipette 2, a screw rod 9 is installed on one side of the upper end of the partition plate 11, one end of the screw rod 9 is connected with a knob 4, the partition plate 11 divides the interior of the pipette 2 into a liquid suction cavity and an adjusting cavity, the knob 4 can drive the screw rod 9 to rotate, a screw block 7 is sleeved on the screw rod 9, a guide rod 10 is arranged on one side of the screw rod 9, a scale mark 8 is attached to the surface of the guide rod 10, the screw block 7 moves under the action of threads in the rotating process of the screw rod 9, the guide rod 10 limits and guides the guide rod 10, the scale mark 8 is convenient for workers to know the position of the screw block 7, a drawing rod 3 is arranged on the other side of the screw rod 9, and limiting blocks 6 are symmetrically installed on the outer side wall of the drawing rod 3.
As shown in fig. 1-2, in this embodiment, a partition 11 is formed on a pipette 2, one end of a screw rod 9 is rotationally connected with the partition 11, a knob 4 penetrates through the top end of the pipette 2 and is connected with the other end of the screw rod 9 through a screw, a screw block 7 is connected with the screw rod 9 through threads, a guide rod 10 is connected with the partition 11 and the pipette 2 through the screw, the guide rod 10 penetrates through the screw block 7, a scale mark 8 is bonded with the guide rod 10, a pull rod 3 penetrates through the partition 11, the screw rod 9 and the pipette 2, a limiting block 6 is connected with the pull rod 3 through the screw, and the limiting block 6 can limit the moving distance of the pull rod 3 so as to realize quantitative extraction.
As shown in fig. 1-2, in this embodiment, a piston 12 is disposed at the bottom end of a pull rod 3, the piston 12 is connected with the pull rod 3 through a screw, the piston 12 is slidably connected with a pipette 2, the pull rod 3 is pulled to drive the piston 12 to move to draw liquid to be pipetted, a pipette head 1 is formed at the bottom end of the pipette 2, the pipette head 1 is of an inverted cone structure, the pipette head 1 is convenient for the pipette 2 to be inserted into a test tube, a visual window 5 is mounted on a side wall of the pipette 2, the visual window 5 is connected with the pipette 2 through a screw, and a worker can observe the position of a screw block 7 on a scale mark 8 conveniently in an adjustment process through the visual window 5.
The specific implementation process of this embodiment is as follows: when in use, the knob 4 is rotated according to the amount of liquid required to be extracted, the screw rod 9 is driven to rotate, the screw block 7 is further driven to move under the action of threads, the position of the screw rod is adjusted, in the adjustment process, a worker observes the scale mark 8 of the screw block 7 on the guide rod 10 through the visual window 5, the adjustment accuracy can be guaranteed, after the adjustment is completed, the liquid suction head 1 is placed in a test tube which needs to be pipetted, the drawing rod 3 is pulled, the piston 12 is driven to move to extract the liquid in the test tube, in the extraction process, the extraction amount is described to reach the set amount when the limiting block 6 is in contact with the screw block 7, and then the liquid extracted is pipetted through the pipette 2.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A pipette for clinical examination, characterized in that: including pipette (2), middle part is provided with baffle (11) in pipette (2), screw rod (9) are installed to baffle (11) upper end one side, screw rod (9) one end is connected with knob (4), the cover is equipped with spiral shell piece (7) on screw rod (9), screw rod (9) one side is provided with guide bar (10), guide bar (10) surface laminating has scale mark (8), screw rod (9) opposite side is provided with takes out pull rod (3), take out and symmetrically install stopper (6) on pull rod (3) lateral wall.
2. A clinical laboratory pipette as defined in claim 1 wherein: the partition board (11) is formed on the pipette (2), one end of the screw rod (9) is rotationally connected with the partition board (11), and the knob (4) penetrates through the top end of the pipette (2) and the other end of the screw rod (9) to be connected through a screw.
3. A clinical laboratory pipette as defined in claim 1 wherein: the screw block (7) is in threaded connection with the screw rod (9), the guide rod (10) is in threaded connection with the partition plate (11) and the pipette (2), the guide rod (10) penetrates through the screw block (7), and the scale marks (8) are bonded with the guide rod (10).
4. A clinical laboratory pipette as defined in claim 1 wherein: the drawing rod (3) penetrates through the partition plate (11), the screw rod (9) and the pipette (2), and the limiting block (6) is connected with the drawing rod (3) through screws.
5. A clinical laboratory pipette as defined in claim 4 wherein: the bottom end of the drawing rod (3) is provided with a piston (12), the piston (12) is connected with the drawing rod (3) through a screw, and the piston (12) is in sliding connection with the pipette (2).
6. A clinical laboratory pipette as defined in claim 5 wherein: the pipette is characterized in that a liquid suction head (1) is formed at the bottom end of the pipette (2), and the liquid suction head (1) is of an inverted cone structure.
7. A clinical laboratory pipette as defined in claim 6 wherein: a visual window (5) is arranged on one side wall of the pipette (2), and the visual window (5) is connected with the pipette (2) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909532.1U CN219784798U (en) | 2023-04-21 | 2023-04-21 | Clinical examination is with pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909532.1U CN219784798U (en) | 2023-04-21 | 2023-04-21 | Clinical examination is with pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784798U true CN219784798U (en) | 2023-10-03 |
Family
ID=88180369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320909532.1U Active CN219784798U (en) | 2023-04-21 | 2023-04-21 | Clinical examination is with pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784798U (en) |
-
2023
- 2023-04-21 CN CN202320909532.1U patent/CN219784798U/en active Active
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