CN210700179U - Liquid transfer gun for learning manual liquid transfer operation - Google Patents
Liquid transfer gun for learning manual liquid transfer operation Download PDFInfo
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- CN210700179U CN210700179U CN201921381154.4U CN201921381154U CN210700179U CN 210700179 U CN210700179 U CN 210700179U CN 201921381154 U CN201921381154 U CN 201921381154U CN 210700179 U CN210700179 U CN 210700179U
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Abstract
The utility model relates to a liquid-transfering gun for studying manual liquid-transfering operation, including the liquid-transfering gun shell, fix taking off tip frame and the card in liquid-transfering gun shell bottom and go into the piston tube that liquid-transfering gun shell bottom is fixed and with the inside intercommunication of liquid-transfering gun shell, this liquid-transfering gun still includes: an execution component: the piston comprises a pressing cap, a pressing rod and a piston which are sequentially connected from top to bottom, wherein the lower end of the piston extends into a cavity of a piston tube to perform piston movement, and a spring for resetting is sleeved outside the pressing rod; a control component: the device comprises a main control board, a cavity pressure detection assembly and a pressure rod speed detection assembly which are respectively communicated with the main control board, and is used for acquiring, processing and recording a speed curve of the current pipetting operation and a relation curve between the speed curve and the pressure curve; an auxiliary component: is arranged in the shell of the pipette and is used for removing the tip removing frame and the sample adding tip. Compared with the prior art, the utility model has the advantages of accurate reliable, nimble adjustment, duplicate manual operation flow completely and can provide artificial training.
Description
Technical Field
The utility model belongs to the technical field of experimental facilities technique and specifically relates to a liquid-transfering gun for studying manual work liquid-transfering operation is related to.
Background
At present, the liquid-transfering guns installed on many electric liquid-transfering guns and instruments can only change the liquid-transfering effect by changing software parameters, and the process is not only tedious, but also has low efficiency. Especially, the liquid with different pipetting speeds and different viscosities required by different experimental processes has different requirements on pipetting parameters, and the difficulty of experiment operators in setting pipetting operation is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid-transfering gun for learning manual liquid-transfering operation in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a liquid-transfering gun for studying artifical liquid-transfering operation for realize the liquid feeding and get the record and the study of liquid operation information, including liquid-transfering gun shell, fix take off tip frame and the card of liquid-transfering gun shell bottom and go into the piston tube that liquid-transfering gun shell bottom is fixed and communicate with liquid-transfering gun shell inside, take off tip frame lower part installation for the application of sample point of imbibition, its characterized in that, this liquid-transfering gun still includes:
an execution component: the piston comprises a pressing cap, a pressing rod and a piston which are sequentially connected from top to bottom, wherein the lower end of the piston extends into a cavity of a piston tube to perform piston movement, and a spring for resetting is sleeved outside the pressing rod;
a control component: the device comprises a main control board, a cavity pressure detection assembly and a pressure rod speed detection assembly which are respectively communicated with the main control board, and is used for acquiring, processing and recording a speed curve of the current pipetting operation and a relation curve between the speed curve and the pressure curve;
an auxiliary component: is arranged in the shell of the pipette and is used for removing the tip removing frame and the sample adding tip.
The pipette shell in be divided into two sub-chambeies from top to bottom by a baffle, the spring setting in the cavity at last, be equipped with guide holder and space bar in the sub-chamber down to with the cavity intercommunication of pipette point.
The cavity pressure detection assembly is a pressure sensor, the pressure sensor is arranged in a cavity formed between the pipette tip and the tip removing frame, and the cavity is communicated with the cavity of the piston tube.
The pressure lever speed detection assembly is a speed detector, a fixed part of the pressure lever speed detection assembly is arranged on the spacing pad, and a movable part of the pressure lever speed detection assembly is embedded on the outer surface of the pressure lever, moves up and down along with the pressure lever and is matched with the fixed part to acquire the pressure lever speed.
The pressure bar speed detection component is a capacitive grating sensor, a magnetic grating sensor or a coded disc sensor.
The lower end of the pressure lever is provided with a combined inner ball head surface, and the upper end of the piston is provided with an outer ball head surface matched with the combined inner ball head surface, so that the condition of slight eccentricity is allowed to occur during assembly.
The main control board is arranged in a main control board shell, the main control board shell is fixed on a pipette shell, and the main control board is provided with a rechargeable battery and is respectively connected with the connecting cavity pressure detection assembly and the pressure rod speed detection assembly through flexible flat cables.
The surface of the main control panel shell is provided with a clearing key for clearing the operation record which is unsatisfactory for a user, a saving key for saving the satisfactory pipetting operation record for the user, a switching key for switching the on-off state of the pipetting gun, a state indicator lamp, a charging port and a display screen.
The auxiliary assembly comprises a Tip pressure cap and a Tip pressure rod which are connected with each other, a Tip spring for resetting is sleeved outside the Tip pressure rod, the Tip spring is arranged in the upper cavity, the lower end of the Tip pressure rod is in contact with the Tip frame, and the Tip frame is pressed downwards to fall off.
The operation process of the liquid-transfering gun is as follows:
taking liquid and recording:
the method comprises the following steps that a user installs a proper sample adding tip at the lower end of a piston tube, presses a pressing cap to the bottom, moves the sample adding tip into liquid needing to be extracted, slowly loosens the pressing cap to finish liquid suction operation according to actual requirements, presses a storage button to store operation records if the effect of the liquid extracting operation is satisfied by the user (the liquid removing deviation accords with the national metrological verification rule-JJJG 646-2006 pipettor), does not need to press any button if the effect is not satisfied, and directly repeats the liquid extracting step, and presses a clearing button to clear the stored operation records if defects are found after storage (the liquid removing deviation does not accord with the requirement of the national metrological verification rule-JG 646-2006 pipettor the movement action deviates from a confidence interval);
liquid adding recording:
after the user finishes the liquid taking operation, the sample adding tip is moved to a vessel or liquid needing to add liquid, the pressure cap is pressed according to the actual requirement to start liquid adding until the liquid adding is finished, if the user is satisfied with the liquid taking operation effect (the liquid transferring deviation accords with the national metrological verification procedure-JJG 646 + pipettor 2006), the storage button is pressed to store the operation record, if the user is not satisfied, the liquid adding step is directly repeated without pressing any button, and if the defect is found after the storage (the liquid transferring deviation does not accord with the requirements of the national metrological verification procedure-JG 646 + 2006 pipettor the movement action deviates from the confidence interval), the cleaning button is pressed to remove the stored operation record.
Compared with the prior art, the utility model has the advantages of it is following:
in the actual liquid transfer operation in-process, the user can be according to the difference of experiment requirement when the operation, the difference of liquid viscosity can be nimble the adjustment move liquid the speed and the height of imbibition liquid feeding, simultaneously, move the liquid in-process, can in time make corresponding adjustment according to the condition of range estimation, the reliability of moving the liquid has been guaranteed, the utility model discloses a get rid of and set up the loaded down with trivial details of liquid feeding imbibition parameter (the subassembly action is set up by the parameter and is hardly set up out) on present electronic liquid transfer rifle and the instrument, can let the liquid transfer rifle from the area on electronic liquid transfer rifle and the instrument duplicate manual operation's flow completely, both saved user's settling time and guaranteed the homogeneous of moving the liquid operation reliably.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the liquid-transferring gun of the present invention.
Fig. 3 is a schematic diagram of the surface structure of the housing of the control assembly.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 and 2, the utility model provides a liquid-transfering gun for learning manual liquid-transfering operation, which mainly comprises a control component, an execution component and an auxiliary component;
the control assembly comprises a main control board shell 1, a main control board 2 (containing a rechargeable battery), a pressure sensor 15 (containing a circuit board), a capacitive grating sensor static grating// optical grating head// magnetic grating head// coded disc reading head 16, a capacitive grating moving grating// optical grating// magnetic grating// coded disc 18 and the like;
the execution assembly comprises a pipette shell 19, a pressure cap 3, a pressure rod 4, a guide seat 9, a spacer 10, a piston 11, a sealing ring 12, a piston pipe 13 and a spring 17,
the auxiliary assembly comprises a Tip removing press cap 5, a Tip removing press rod 6, a split retainer ring 7, a Tip removing spring 8 and a Tip removing frame 14;
the piston tube 13 is provided with a hole 131, the pressure sensor 15 is connected with the interior of the piston tube 13 through the hole 131 for collecting the gas pressure in the inner cavity of the piston tube 13 and uploading the gas pressure to the main control board 2, the piston tube 13 is provided with a hole 132, the sealing ring 12 is clamped in the hole 132 for realizing the sealing between the piston 11 and the piston tube 13, the piston 11 is provided with an outer spherical head surface 111, the pressure lever 4 is provided with a combined inner spherical head surface 401 which are connected through the inner spherical head surface and the outer spherical head surface, the grid-containing movable grid// grating// magnetic grid// code disc 18 is adhered or fixed on the pressure lever 4 in other fixing modes, the grid-containing sensor static grid// grating head// magnetic grid head// code disc read head 16 is fixed on the spacing pad 10, the pressure lever 4 is externally sleeved with a spring 17 for realizing the automatic resetting of the pressure lever 4, the Tip releasing frame 14 is connected with the Tip releasing pressure cap 5 through a Tip pressure, the Tip releasing pressure lever 6 is provided with a groove 601, the split retainer ring 7 is clamped in the groove 601, the Tip releasing pressure lever 6 is externally sleeved with a Tip releasing spring 8 for realizing the automatic reset of the Tip releasing frame 14, and the main control board 2, the static grid/the grating head/the magnetic grid head/the coded disc reading head and the like 16 are connected with the pressure sensor 15 by flexible flat cables.
The utility model discloses an at piston pipe 13 and take off and install pressure sensor 15 in the cavity between Tip frame 14, can implement the change of monitoring piston pipe 13 internal gas pressure.
The static grid// optical grid head// magnetic grid head// code wheel reading head 16 of the capacitive grid sensor and the movable grid// optical grid// magnetic grid// code wheel 18 of the capacitive grid are used in pairs, so that the speed curve of the manual pressing pressure rod 4 can be accurately identified.
The main control board 2 is provided with a processing chip and a bluetooth chip (or wifi chip) for matching and processing the readings of the pressure sensor 15 and the capacitive grating sensor static grating// grating head// magnetic grating head// code disc reading head 16, storing the readings, and synchronizing the operation record selected by the user to the device designated by the user when the user needs.
As shown in fig. 3, three keys are installed on the housing 1, the clear key 101 is used for clearing the current operation record which is not satisfied by the user, the save key 102 is used for saving the current satisfactory pipetting operation record by the user, the switch key 103 is used for switching the on-off state of the pipetting gun, the main control panel housing 1 is also provided with a state indicator lamp 104 for indicating the on-off state of the pipetting gun, only when the lamp 104 is turned on, the pipetting gun can monitor and process the speed curve and the relation curve between the speed curve and the pressure curve, and the main control panel housing 1 is also provided with a charging port 105 for charging.
The working principle of the utility model is as follows:
the utility model discloses a quiet bars of capacitive grating sensor// grating head// magnetic grid head// code wheel reading head 16 carries out the reading to the capacitive grating moves bars// grating// magnetic grid// code wheel 18, thereby carries out data processing through main control panel 2 and can acquire the speed curve that the user pressed the piston;
the pressure sensor 15 is used for reading the air pressure in the piston tube 13, the main control board 2 is used for processing data, so that a relation curve between a pressing piston speed curve and the pressure of a user can be obtained, after the relation curve between the pressing piston speed curve and the pressure is obtained, all subsequent automatic operations can be operated according to the curve, and then automatic, stable and accurate liquid taking and liquid transferring are achieved.
And (3) normal working process:
taking liquid and recording:
taking liquid and recording:
the method comprises the following steps that a user installs a proper sample adding tip at the lower end of a piston tube, presses a pressing cap to the bottom, moves the sample adding tip into liquid needing to be extracted, slowly loosens the pressing cap to finish liquid suction operation according to actual requirements, presses a storage button to store operation records if the effect of the liquid extracting operation is satisfied by the user (the liquid removing deviation accords with the national metrological verification rule-JJJG 646-2006 pipettor), does not need to press any button if the effect is not satisfied, and directly repeats the liquid extracting step, and presses a clearing button to clear the stored operation records if defects are found after storage (the liquid removing deviation does not accord with the requirement of the national metrological verification rule-JG 646-2006 pipettor the movement action deviates from a confidence interval);
liquid adding recording:
after the user finishes the liquid taking operation, the sample adding tip is moved to a vessel or liquid needing to add liquid, the pressure cap is pressed according to the actual requirement to start liquid adding until the liquid adding is finished, if the user is satisfied with the liquid taking operation effect (the liquid transferring deviation accords with the national metrological verification procedure-JJG 646 + pipettor 2006), the storage button is pressed to store the operation record, if the user is not satisfied, the liquid adding step is directly repeated without pressing any button, and if the defect is found after the storage (the liquid transferring deviation does not accord with the requirements of the national metrological verification procedure-JG 646 + 2006 pipettor the movement action deviates from the confidence interval), the cleaning button is pressed to remove the stored operation record.
Claims (9)
1. The utility model provides a liquid-transfering gun for studying manual liquid-transfering operation for realize the liquid feeding and get record and study of liquid operation information, including liquid-transfering gun shell (19), fix taking tip frame (14) and the card of taking off of liquid-transfering gun shell (19) bottom and go into liquid-transfering gun shell (19) bottom fixed and with piston tube (13) of the inside intercommunication of liquid-transfering gun shell (19), take off tip frame (14) lower part installation for the application of sample point of imbibition, its characterized in that, this liquid-transfering gun still includes:
an execution component: the device comprises a pressing cap (3), a pressing rod (4) and a piston (11) which are sequentially connected from top to bottom, wherein the lower end of the piston (11) extends into a cavity of a piston pipe (13) to perform piston movement, and a spring (17) for resetting is sleeved outside the pressing rod (4);
a control component: the device comprises a main control board (2), and a cavity pressure detection assembly and a pressure lever speed detection assembly which are respectively communicated with the main control board (2), and are used for acquiring, processing and recording a speed curve of the current pipetting operation and a relation curve between the speed curve and the pressure curve;
an auxiliary component: is arranged in a shell (19) of the pipette gun and is used for removing the tip removing frame (14) and the sample adding tip.
2. The pipette gun for learning manual pipetting according to claim 1, wherein the pipette gun housing (19) is divided into an upper sub-chamber and a lower sub-chamber by a partition plate, the spring (17) is arranged in the upper sub-chamber, and the lower sub-chamber is internally provided with the guide seat (9) and the spacer (10) and is communicated with the cavity of the pipette tip.
3. A pipette gun for learning manual pipetting according to claim 2, characterized in that the chamber pressure detecting element is a pressure sensor (15), the pressure sensor (15) being mounted in a cavity formed between the pipette tip and the tip-removing rack (14), the cavity communicating with the chamber of the piston tube (13).
4. The pipette gun for learning manual pipetting according to claim 2, wherein the plunger speed detecting assembly is a speed detector, the fixed part of the plunger speed detecting assembly is arranged on the spacer (10), the movable part of the plunger speed detecting assembly is embedded in the outer surface of the plunger (4), moves up and down along with the plunger (4), and cooperates with the fixed part to obtain the plunger speed.
5. The pipette gun for learning manual pipetting according to claim 4, wherein the plunger speed detection assembly is a capacitance grating sensor, a magnetic grating sensor or a code wheel sensor.
6. The pipette gun for learning manual pipetting according to claim 1, wherein the lower end of the plunger (4) is provided with a combined inner spherical surface (401), and the upper end of the piston (11) is provided with an outer spherical surface (111) which is matched with the combined inner spherical surface (401).
7. The pipette gun for learning manual pipetting operation according to claim 1, wherein the main control board (2) is arranged in a main control board housing (1), the main control board housing (1) is fixed on the pipette gun housing (19), and the main control board (2) is provided with a rechargeable battery and is respectively connected with the connecting cavity pressure detection assembly and the pressure rod speed detection assembly through flexible flat cables.
8. The pipette gun for learning manual pipetting operation according to claim 7, wherein the surface of the main control board shell (1) is provided with a clearing button (101) for clearing the record of the current operation unsatisfied by the user, a saving button (102) for saving the record of the pipetting operation satisfied by the user, a switching button (103) for switching the on-off state of the pipette gun, a state indicator lamp (104), a charging port (105) and a display screen.
9. The pipette gun for learning manual pipetting operation according to claim 2, wherein the auxiliary assembly comprises a Tip-off pressing cap (5) and a Tip-off pressing rod (6) which are connected with each other, a Tip-off spring (8) for resetting is sleeved outside the Tip-off pressing rod (6), the Tip-off spring (8) is arranged in the upper sub-cavity, and the lower end of the Tip-off pressing rod (6) is in contact with the Tip-off frame (14) for pressing the Tip-off frame (14) down and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381154.4U CN210700179U (en) | 2019-08-23 | 2019-08-23 | Liquid transfer gun for learning manual liquid transfer operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381154.4U CN210700179U (en) | 2019-08-23 | 2019-08-23 | Liquid transfer gun for learning manual liquid transfer operation |
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| Publication Number | Publication Date |
|---|---|
| CN210700179U true CN210700179U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921381154.4U Active CN210700179U (en) | 2019-08-23 | 2019-08-23 | Liquid transfer gun for learning manual liquid transfer operation |
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| CN (1) | CN210700179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404599A (en) * | 2019-08-23 | 2019-11-05 | 上海沃迪智能装备股份有限公司 | It is a kind of for learning the liquid-transfering gun of artificial pipetting |
| CN110404599B (en) * | 2019-08-23 | 2024-08-02 | 上海汉赞迪生命科技有限公司 | A pipette for learning manual pipetting is operated |
-
2019
- 2019-08-23 CN CN201921381154.4U patent/CN210700179U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404599A (en) * | 2019-08-23 | 2019-11-05 | 上海沃迪智能装备股份有限公司 | It is a kind of for learning the liquid-transfering gun of artificial pipetting |
| CN110404599B (en) * | 2019-08-23 | 2024-08-02 | 上海汉赞迪生命科技有限公司 | A pipette for learning manual pipetting is operated |
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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: 20221008 Address after: 201506 Building 8, No. 5899, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee after: Shanghai hanzandi Life Technology Co.,Ltd. Address before: 201506 No. 5899 Tingwei Highway, Jinshan District, Shanghai Patentee before: SHANGHAI TRIOWIN INTELLIGENT MACHINERY CO.,LTD. |
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| TR01 | Transfer of patent right |