CN210700176U - Pipettor with adjustable high accuracy - Google Patents
Pipettor with adjustable high accuracy Download PDFInfo
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- CN210700176U CN210700176U CN201921265159.0U CN201921265159U CN210700176U CN 210700176 U CN210700176 U CN 210700176U CN 201921265159 U CN201921265159 U CN 201921265159U CN 210700176 U CN210700176 U CN 210700176U
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Abstract
The utility model discloses a pipettor with adjustable high accuracy, including moving liquid mechanism and horizontal calibration mechanism, move liquid mechanism's liquid main part upper end of moving is provided with the piston knob, move liquid main part's upper end left side fixedly connected with couple, move liquid main part's lower extreme and install mouthpiece and rifle head, move liquid main part upper end left side fixedly connected with connecting piece, the left side middle part fixedly connected with magnetic stripe of connecting piece, and the top left side fixedly connected with grip ring of connecting piece, the grip ring centre gripping has the spirit level shell, the centre gripping groove has been seted up to the outer wall top of spirit level shell, the grip ring joint is in the centre gripping inslot, the fixed hoop that has cup jointed in the outer wall below of spirit level shell, the upper end fixedly connected with transparent plate of spirit level shell, the upper surface middle part mark of transparent plate has the calibration ring, be provided with. This pipettor with adjustable high accuracy has the effect of supplementary horizontal calibration for the experimental result is more accurate, has reduced experimental error.
Description
Technical Field
The utility model relates to a laboratory paraphernalia technical field specifically is a pipettor with adjustable high accuracy.
Background
A liquid transfer device, also called a liquid transfer gun, is a metering tool for transferring liquid from an original container to another container within a certain range, and is widely used in the fields of biology, chemistry and the like.
Existing pipettors also present some places of inconvenience. Because some chemical experiments or biological experiments need higher precision, and the design of pipettor itself can also reach higher precision, the precision unit of the liquid of ordinary pipettor is all microlitre, but in the in-service use process, because the restriction in use place and user's operation custom and technique, often lead to the pipettor can't be in the position of comparatively level to absorb liquid, only operate under the horizontal state that the user thinks, actually not level, however current pipettor does not possess the level calibration function of assistance yet, lead to can't accurately draw the result in the lower experiment of the higher error requirement of precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipettor with adjustable high accuracy has reached supplementary horizontal calibration for the more accurate effect of experimental result.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipettor with adjustable high accuracy, includes moves liquid mechanism and horizontal calibration mechanism, move the left side upper end of liquid mechanism and be connected with horizontal calibration mechanism's lower extreme.
The liquid transfer mechanism comprises a liquid transfer main body, a piston knob, a hook, a nozzle and a gun head, wherein the liquid transfer main body is arranged in the middle of the liquid transfer mechanism, the piston knob is arranged at the upper end of the liquid transfer main body, the hook is fixedly connected to the left side of the upper end of the liquid transfer main body, the nozzle is installed at the lower end of the liquid transfer main body, and the gun head is clamped at the lower end of the nozzle.
Horizontal calibration mechanism comprises connecting piece, magnetic stripe, grip ring, spirit level shell, centre gripping groove, hoop, transparent plate, calibration ring and bubble, move liquid main part upper end left side fixedly connected with connecting piece, the left side middle part fixedly connected with magnetic stripe of connecting piece, and the top left side fixedly connected with grip ring of connecting piece, the grip ring presss from both sides has the spirit level shell, the centre gripping groove has been seted up to the outer wall top of spirit level shell, the grip ring joint is in the centre gripping inslot, the fixed hoop that has cup jointed in the outer wall below of spirit level shell, the upper end fixedly connected with transparent plate of spirit level shell, the upper surface middle part mark of transparent plate has calibration ring, be provided with calibration liquid in spirit level shell and the transparent plate, calibration liquid is internal to be in the bubble.
Preferably, the upper end of the hook is flush with the upper end of the pipetting body.
Preferably, the magnetic strip is arc-shaped, the curvature of the magnetic strip is the same as that of the iron ring, and the magnetic strip and the iron ring are located on the same horizontal plane.
Preferably, the calibration solution in the housing and transparent plate of the level is a green liquid.
Preferably, move liquid main part upper end left side fixedly connected with connecting plate, the upper end of connecting plate is rotated and is connected with the clamping ring, the left end of clamping ring is connected with the joint board, the upper end fixedly connected with joint piece of couple, joint board and joint piece joint, be provided with the bubble spirit level in the clamping ring.
Compared with the prior art, the beneficial effects of the utility model are that:
this pipettor with adjustable high accuracy has reached supplementary horizontal calibration through setting up horizontal calibration mechanism for the effect that the experimental result is more accurate. Because some chemical experiments or biological experiments need higher precision, the design of the pipettor can also reach higher precision, the precision unit of the liquid sucked by the common pipettor is microliter, but in the actual use process, the existing pipettor does not have the auxiliary horizontal calibration function, and a user cannot suck the liquid by the pipettor in a tenth horizontal manner, so that the result cannot be accurately obtained in the experiment with higher precision and lower error requirement. The special bubble level meter can be fixed by the pipettor through the fixing device, a user can adjust the horizontal state of the pipettor according to the bubble level meter, an experiment is carried out in a relatively horizontal state, the experiment precision is improved, and the experiment error is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the horizontal calibration mechanism of the present invention;
fig. 3 is a schematic top view of the horizontal calibration mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
fig. 5 is a schematic structural view of a second bubble level according to an embodiment of the present invention.
In the figure: 1 pipetting mechanism, 101 pipetting body, 102 piston knob, 103 pothook, 104 nozzle, 105 gun head, 2 horizontal calibration mechanism, 201 connecting piece, 202 magnetic stripe, 203 clamping ring, 204 gradienter shell, 205 clamping groove, 206 iron ring, 207 transparent plate, 208 calibration ring, 209 bubbles, 2010 connecting plate, 2011 pressing ring, 2012 clamping plate, 2013 clamping block and 2014 bubble gradienter.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1, 2 and 3, a high-precision adjustable pipette comprises a pipetting mechanism 1 and a horizontal calibration mechanism 2, wherein the upper end of the left side of the pipetting mechanism 1 is connected with the lower end of the horizontal calibration mechanism 2.
The pipetting mechanism 1 comprises a pipetting body 101, a piston knob 102, a hook 103, a nozzle 104 and a gun head 105, the pipetting body 101 is arranged in the middle of the pipetting mechanism 1, the piston knob 102 is arranged at the upper end of the pipetting body 101, the hook 103 is fixedly connected to the left side of the upper end of the pipetting body 101, the upper end of the hook 103 is flush with the upper end of the pipetting body 101, the nozzle 104 is mounted at the lower end of the pipetting body 101, and the gun head 105 is clamped at the lower end of the nozzle 104.
The horizontal calibration mechanism 2 comprises a connecting piece 201, a magnetic strip 202, a clamping ring 203, a level meter shell 204, a clamping groove 205, an iron ring 206, a transparent plate 207, a calibration ring 208 and a bubble 209, wherein the connecting piece 201 is fixedly connected to the left side of the upper end of the pipetting body 101, the magnetic strip 202 is fixedly connected to the middle of the left side of the connecting piece 201, the clamping ring 203 is fixedly connected to the left side of the top end of the connecting piece 201, the level meter shell 204 is clamped by the clamping ring 203, the clamping groove 205 is formed above the outer wall of the level meter shell 204, the clamping ring 203 is clamped in the clamping groove 205, the iron ring 206 is fixedly sleeved below the outer wall of the level meter shell 204, the magnetic strip 202 is arc-shaped, the curvature of the magnetic strip 202 is the same as that of the iron ring 206, the magnetic strip 202 and the iron ring 206 are positioned on the same horizontal plane, the transparent plate 207, calibration solutions are arranged in the level meter shell 204 and the transparent plate 207, the calibration solutions in the level meter shell 204 and the transparent plate 207 are green liquids, and bubbles 209 exist in the calibration solutions.
Because some chemical experiments or biological experiments need higher precision, the design of the pipettor can also reach higher precision, the precision unit of the liquid sucked by the common pipettor is microliter, but in the actual use process, the existing pipettor does not have the auxiliary horizontal calibration function, and a user cannot suck the liquid by the pipettor in a tenth horizontal manner, so that the result cannot be accurately obtained in the experiment with higher precision and lower error requirement. The special bubble level meter can be fixed by the pipettor through the fixing device, a user can adjust the horizontal state of the pipettor according to the bubble level meter, an experiment is carried out in a relatively horizontal state, the experiment precision is improved, and the experiment error is reduced. And this purpose-made bubble spirit level can convenient dismouting, and the spirit level can be used other usefulness in addition, has improved the performance of this pipettor.
During the use, move liquid mechanism 1 and traditional pipettor and can carry out normal liquid experiment of moving, press piston knob 102 and absorb liquid, rotate piston knob 102 and carry out the range and adjust, couple 103 hangs and places on the support, when absorbing liquid, can carry out the horizontal calibration of pipettor through observing whether bubble 209 is located calibration ring 208. When it is desired to remove the structure such as the level housing 204, the level housing 204 is removed by being removed and moved to the left, and the structure such as the level housing 204 is held within the retaining ring 203 during installation, taking care that the retaining ring 203 is snapped into the retaining groove 205.
Example two
On the basis of the related structure of the first embodiment, as shown in fig. 4 and 5, a connecting plate 2010 is fixedly connected to the left side of the upper end of the liquid transferring main body 101, a pressing ring 2011 is rotatably connected to the upper end of the connecting plate 2010, a clamping plate 2012 is connected to the left end of the pressing ring 2011, a clamping block 2013 is fixedly connected to the upper end of the hook 103, the clamping plate 2012 is clamped with the clamping block 2013, and a bubble level 2014 is arranged in the pressing ring 2011. Can fix a common bubble level without a special level and is of a detachable structure like the embodiment. Fix bubble level 2014 through clamping ring 2011 lower extreme and couple 103 upper end to it is fixed through joint plate 2012 and joint piece 2013 joint.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pipettor with adjustable high accuracy, includes pipetting mechanism (1) and horizontal calibration mechanism (2), its characterized in that: the upper end of the left side of the liquid transferring mechanism (1) is connected with the lower end of the horizontal calibration mechanism (2);
the liquid transfer mechanism (1) comprises a liquid transfer main body (101), a piston knob (102), a hook (103), a nozzle (104) and a gun head (105), the liquid transfer main body (101) is arranged in the middle of the liquid transfer mechanism (1), the piston knob (102) is arranged at the upper end of the liquid transfer main body (101), the hook (103) is fixedly connected to the left side of the upper end of the liquid transfer main body (101), the nozzle (104) is installed at the lower end of the liquid transfer main body (101), and the gun head (105) is clamped at the lower end of the nozzle (104);
the horizontal calibration mechanism (2) comprises a connecting piece (201), a magnetic strip (202), a clamping ring (203), a level meter shell (204), a clamping groove (205), an iron ring (206), a transparent plate (207), a calibration ring (208) and bubbles (209), wherein the connecting piece (201) is fixedly connected to the left side of the upper end of the liquid transferring main body (101), the magnetic strip (202) is fixedly connected to the middle of the left side of the connecting piece (201), the clamping ring (203) is fixedly connected to the left side of the top end of the connecting piece (201), the level meter shell (204) is clamped by the clamping ring (203), the clamping groove (205) is formed above the outer wall of the level meter shell (204), the clamping ring (203) is clamped in the clamping groove (205), the iron ring (206) is fixedly sleeved below the outer wall of the level meter shell (204), the transparent plate (207) is fixedly connected to the upper end of the level meter shell (204, calibration rings (208) are marked in the middle of the upper surface of the transparent plate (207), calibration liquid is arranged in the level meter shell (204) and the transparent plate (207), and bubbles (209) exist in the calibration liquid.
2. The high-precision adjustable pipette according to claim 1, characterized in that: the upper end of the hook (103) is flush with the upper end of the pipetting body (101).
3. The high-precision adjustable pipette according to claim 1, characterized in that: the magnetic strip (202) is arc-shaped, the curvature of the magnetic strip (202) is the same as that of the iron ring (206), and the magnetic strip (202) and the iron ring (206) are located on the same horizontal plane.
4. The high-precision adjustable pipette according to claim 1, characterized in that: the calibration solution in the level housing (204) and the transparent plate (207) is green liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265159.0U CN210700176U (en) | 2019-08-06 | 2019-08-06 | Pipettor with adjustable high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265159.0U CN210700176U (en) | 2019-08-06 | 2019-08-06 | Pipettor with adjustable high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210700176U true CN210700176U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921265159.0U Active CN210700176U (en) | 2019-08-06 | 2019-08-06 | Pipettor with adjustable high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210700176U (en) |
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2019
- 2019-08-06 CN CN201921265159.0U patent/CN210700176U/en active Active
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