CN210128756U

CN210128756U - Pipettor capacity calibrating device

Info

Publication number: CN210128756U
Application number: CN201921322581.5U
Authority: CN
Inventors: 杨权; 王志斌; 张琳
Original assignee: Zhejiang Zhongsuo Measurement Technology Co Ltd
Current assignee: Zhongsuo measurement testing Co.,Ltd.
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-03-06
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a pipettor capacity calibrating device, including workstation, first motor, second motor and third motor, the inside fixed mounting in left side of workstation has first motor, and the output fixed mounting of first motor has the pivot, the top fixed mounting of workstation has the base, the inside of base is inserted and is equipped with the stand, the rotary groove has been seted up to the inside of base, the bottom outer wall fixed mounting of stand has the commentaries on classics piece, the intermediate position department of stand has seted up the fluting, and the inside of fluting is inserted and is equipped with first lead screw, the outer wall of first lead screw has cup jointed the axle sleeve, the top fixed mounting of stand has the second motor. The utility model discloses be provided with the motor, the rotation through the motor makes the calibration become automatic, convenient to use, and the slider can be accurate to the capacity in the liquid transfer bottle calibrate, and the second holder can conveniently be fixed the liquid transfer bottle, and once can calibrate three groups of liquid transfer bottles, has improved work efficiency.

Description

Pipettor capacity calibrating device

Technical Field

The utility model relates to a calibrating device technical field specifically is a pipettor capacity calibrating device.

Background

With the continuous development of society, the continuous progress of instrument, the pipettor makes the instrument that carries out accurate transfer with liquid, and the chemical convenience of the chemical department of wide application in medical science can be accurate measure liquid.

However, after the existing pipettors are used for a period of time, because the accuracy of the pipette capacity is affected by the temperature and the manual operation, the pipettors need to be manually calibrated for many times, which increases the workload of the personnel and causes inconvenience in use, and therefore, a pipette capacity calibration device is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipettor capacity calibrating device to the pipettor that proposes in solving above-mentioned background art needs manual calibration many times when the calibration, uses inconvenient scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a pipettor capacity calibration device comprises a workbench, a first motor, a second motor and a third motor, wherein the first motor is fixedly installed inside the left side of the workbench, a rotating shaft is fixedly installed at the output end of the first motor, a base is fixedly installed at the top end of the workbench, a stand column is inserted into the base, a rotating groove is formed in the base, a rotating block is fixedly installed on the outer wall of the bottom end of the stand column, a groove is formed in the middle position of the stand column, a first lead screw is inserted into the groove, a shaft sleeve is sleeved on the outer wall of the first lead screw, the second motor is fixedly installed at the top end of the stand column, a connecting rod is fixedly installed at the right end of the shaft sleeve, a supporting rod is fixedly installed at the middle position of the bottom of the connecting rod, an installation plate is fixedly installed at the bottom end of the right side of the connecting rod, and, the bottom intermediate position department of mounting panel is inserted and is equipped with the second lead screw, and the outer wall of second lead screw has cup jointed the slider, the right-hand member fixed mounting of slider has first holder, the bottom fixed mounting of dead lever has the fixing base, and the right-hand member fixed mounting of fixing base has the second holder, the inside fixed mounting of fixing base has the third motor.

Preferably, the output end of the first motor is fixedly welded with the upright post through a rotating shaft, and the first motor and the upright post form a transmission type structure.

Preferably, the shape of the rotary groove is arc-shaped, and the angle of the arc-shaped is 90 degrees.

Preferably, the outer wall of the first screw rod is provided with external threads, the inner wall of the shaft sleeve is provided with internal threads, and the first screw rod is in threaded connection with the shaft sleeve.

Preferably, the shaft sleeve is provided with two groups, and the support rods, the connecting rods and the first screw rod form a triangular structure.

Preferably, the sliding block is sleeved on the outer walls of the fixing rod and the second screw rod, an external thread is arranged on the outer wall of the second screw rod, an internal thread is arranged in a hole in the middle of the sliding block, and the second screw rod is in threaded connection with the sliding block.

Compared with the prior art, the beneficial effects of the utility model are that: this pipettor capacity calibrating device is provided with the motor, and the rotation through the motor makes the calibration become automatic, convenient to use, and the slider can be accurate to the capacity in the liquid bottle of moving calibrate, and the second holder can conveniently be fixed the liquid bottle of moving, and once can be calibrated three groups of liquid bottles of moving, has improved work efficiency.

(1) The device is provided with first motor, first motor rotates and drives the stand and rotate, thereby make the connecting rod rotate, the commentaries on classics piece carries on spacingly to the stand, it is accurate to make to move the liquid bottle volume of getting and discharge capacity, the second motor rotates and drives first lead screw and rotate, thereby make the axle sleeve drive the connecting rod and go up and down, can make the pipettor enter into the container the inside, the third motor rotates and drives the slider and remove, can make the pipettor on the second holder get liquid and flowing back, degree of automation is high, convenient to use is big, personnel's work load has been saved, and the work efficiency is improved.

(2) The device is provided with the slider, and the third motor drives the second lead screw and rotates to make the slider go up and down, the dead lever can make the slider stability when going up and down better all around, and the dead lever can carry on spacingly to the slider, thereby makes the range that the slider goes up and down at every turn equal, makes to get liquid and capacity calibration more accurate, convenient to use.

(3) The device is provided with the fixing base, is provided with three groups of second holders on the fixing base, can calibrate three groups of pipettors capacity simultaneously, has increased work efficiency, and the pipettor can directly block in the inside of second holder, and the installation is simple, convenient operation.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the fixing base and the second clamping base of the present invention;

fig. 4 is a schematic view of the top-view cross-sectional structure of the base, the rotary trough and the rotary block of the present invention.

In the figure: 1. a work table; 2. a first motor; 3. a rotating shaft; 4. a base; 5. a column; 6. rotating the groove; 7. rotating the block; 8. grooving; 9. a first lead screw; 10. a shaft sleeve; 11. a connecting rod; 12. a support bar; 13. a second motor; 14. mounting a plate; 15. fixing the rod; 16. a second lead screw; 17. a slider; 18. a first holder; 19. a fixed seat; 20. a second holder; 21. a third motor.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a pipettor capacity calibrating device, comprises a workbench 1, first motor 2, second motor 13 and third motor 21, the inside fixed mounting in left side of workstation 1 has first motor 2, and the output fixed mounting of first motor 2 has pivot 3, the output of first motor 2 is through pivot 3 and stand 5 fixed welding, first motor 2 constitutes the transmission formula structure with stand 5, first motor 2 rotates and drives pivot 3 and rotate, pivot 3 drives stand 5 and rotates, thereby make stand 5 drive connecting rod 11 and rotate, change the angle of connecting rod 11, can make connecting rod 11 to getting to change between liquid container and the measurement container, and is simple in operation, the automation program is higher, high durability and convenient use

The top fixed mounting of workstation 1 has base 4, base 4's inside is inserted and is equipped with stand 5, rotary trough 6 has been seted up to base 4's inside, rotary trough 6's shape is the arc, and curved angle is 90, and stand 5 drives the commentaries on classics piece 7 when rotating and rotates, and commentaries on classics piece 7 rotates in rotary trough 6's inside, and rotary trough 6 rotates commentaries on classics piece 7, makes stand 5 pivoted angle obtain fixing, makes stand 5's accurate nature obtain improving, convenient to use.

The bottom outer wall fixed mounting of stand 5 has a commentaries on classics piece 7, fluting 8 has been seted up to the intermediate position department of stand 5, and the inside of fluting 8 is inserted and is equipped with first lead screw 9, axle sleeve 10 has been cup jointed to the outer wall of first lead screw 9, the outer wall of first lead screw 9 is provided with the external screw thread, the inner wall of axle sleeve 10 is provided with the internal thread, first lead screw 9 and axle sleeve 10 threaded connection, second motor 13 rotates and makes axle sleeve 10 go up and down through the screw thread, thereby make connecting rod 11 drive second holder 20 go up and down, make things convenient for second holder 20 to get the liquid operation, the degree of automation is high, high use convenience is.

The top fixed mounting of stand 5 has second motor 13, and the right-hand member fixed mounting of axle sleeve 10 has connecting rod 11, and the bottom intermediate position department fixed mounting of connecting rod 11 has bracing piece 12, and axle sleeve 10 is provided with two sets ofly, and bracing piece 12, connecting rod 11 and first lead screw 9 constitute the triangle-shaped structure, and bracing piece 12 supports connecting rod 11 to it is stable better when going up and down to make connecting rod 11, and the precision of calibration operation obtains improving, convenient to use.

The right side bottom fixed mounting of connecting rod 11 has mounting panel 14, and all fixed mounting has dead lever 15 all around the bottom of mounting panel 14, the bottom intermediate position department of mounting panel 14 is inserted and is equipped with second lead screw 16, and the outer wall of second lead screw 16 has cup jointed slider 17, slider 17 cup joints the outer wall at dead lever 15 and second lead screw 16, the outer wall of second lead screw 16 is provided with the external screw thread, be provided with the internal thread in the hole of slider 17 intermediate position department, second lead screw 16 and slider 17 threaded connection, second lead screw 16 rotates and makes slider 17 go up and down through helicitic texture, second lead screw 16 can make slider 17's stability better, thereby make the pipettor stability when carrying out calibration work better, thereby improve the precision of calibration work, high durability and convenient use.

The right-hand member fixed mounting of slider 17 has first holder 18, the bottom fixed mounting of dead lever 15 has fixing base 19, and the right-hand member fixed mounting of fixing base 19 has second holder 20, the inside fixed mounting of fixing base 19 has third motor 21, third motor 21 rotates and drives second lead screw 16 and rotate, thereby make slider 17 go up and down, block the pipettor in the inside of second holder 20, make second holder 20 fix the pipettor, the installation is simple, high durability and convenient use, the top card of pipettor is in the inside of first holder 18, make slider 17 drive first holder 18 and carry out the up-and-down motion, thereby realize that the pipettor gets the operation of liquid and flowing back, second holder 20 is provided with three groups, can carry out calibration work to three pipettors of group simultaneously, work efficiency convenient to use has been improved.

The working principle is as follows: when the liquid taking device is used, two groups of containers are placed above the workbench 1, one group of liquid taking containers and one group of calibration containers are arranged, a liquid transferring device main body is embedded into the second clamping seat 20, a piston at the top end of the liquid transferring device is embedded into the first clamping seat 18, the first motor 2 starts to rotate, the first motor 2 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the upright post 5 to rotate, so that the upright post 5 drives the connecting rod 11 to rotate, the position of the connecting rod 11 is rotated, the upright post 5 drives the rotating block 7 to rotate in the rotating groove 6, the rotating groove 6 limits the rotating block 7, the rotating block 7 drives the upright post 5 to limit, so that the rotating position of the connecting rod 11 is the same each time, then the rotating shaft 3 stops rotating, the second motor 13 starts to rotate, the second motor 13 drives the first screw rod 9 to rotate, the shaft sleeve 10 is lifted through a threaded structure, so that the connecting rod 11, the connecting rod 11 drives the fixing seat 19 to ascend and descend, so that the pipettor on the second clamping seat 20 enters the liquid taking container.

The second motor 13 stops rotating, the third motor 21 starts rotating, the third motor 21 rotates to drive the second screw rod 16 to rotate, thereby lifting the slide block 17, the slide block 17 drives the first clamping seat 18 to lift, thereby the shaft lever of the liquid transfer device carries out piston motion, the liquid transfer device carries out liquid taking on the inner part of the liquid taking container, the fixed rod 15 limits the movement of the slide block 17, so as to fix the liquid taking amount of the liquid transfer device, then the second motor 13 rotates to drive the connecting rod 11 to ascend, the first motor 2 rotates to drive the connecting rod 11 to rotate, the second motor 13 rotates again to drive the connecting rod 11 to descend, the third motor 21 rotates to discharge the solution in the liquid transfer device, the processes of liquid taking and liquid discharging are continuously and repeatedly operated through the calibrating device, therefore, the capacity of the pipettor is calibrated and circularly operated, the pipettor has higher automation degree, the manpower is saved, and the working efficiency is improved.

Second holder 20 is provided with three groups, can carry out calibration work to three pipettors of group simultaneously, very big save operating time, improved work efficiency, slider 17 is when going up and down, and dead lever 15 can increase slider 17's stability to make calibration work more accurate, convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pipettor capacity calibrating device, includes workstation (1), first motor (2), second motor (13) and third motor (21), its characterized in that: a first motor (2) is fixedly installed inside the left side of the workbench (1), a rotating shaft (3) is fixedly installed at the output end of the first motor (2), a base (4) is fixedly installed at the top end of the workbench (1), a stand column (5) is inserted inside the base (4), a rotating groove (6) is formed inside the base (4), a rotating block (7) is fixedly installed on the outer wall of the bottom end of the stand column (5), a slot (8) is formed in the middle position of the stand column (5), a first lead screw (9) is inserted inside the slot (8), a shaft sleeve (10) is sleeved on the outer wall of the first lead screw (9), a second motor (13) is fixedly installed at the top end of the stand column (5), a connecting rod (11) is fixedly installed at the right end of the shaft sleeve (10), and a supporting rod (12) is fixedly installed at the middle position of the bottom of the connecting rod (11), the utility model discloses a lead screw, including connecting rod (11), right side bottom fixed mounting of connecting rod (11) has mounting panel (14), and all fixed mounting have dead lever (15) all around the bottom of mounting panel (14), the bottom intermediate position department of mounting panel (14) inserts and is equipped with second lead screw (16), and the outer wall of second lead screw (16) has cup jointed slider (17), the right-hand member fixed mounting of slider (17) has first holder (18), the bottom fixed mounting of dead lever (15) has fixing base (19), and the right-hand member fixed mounting of fixing base (19) has second holder (20), the inside fixed mounting of fixing base (19) has third motor (21).

2. A pipette capacity calibration device according to claim 1, characterised in that: the output end of the first motor (2) is fixedly welded with the upright post (5) through the rotating shaft (3), and the first motor (2) and the upright post (5) form a transmission type structure.

3. A pipette capacity calibration device according to claim 1, characterised in that: the rotary groove (6) is arc-shaped, and the angle of the arc is 90 degrees.

4. A pipette capacity calibration device according to claim 1, characterised in that: the outer wall of the first screw rod (9) is provided with external threads, the inner wall of the shaft sleeve (10) is provided with internal threads, and the first screw rod (9) is in threaded connection with the shaft sleeve (10).

5. A pipette capacity calibration device according to claim 1, characterised in that: the shaft sleeve (10) is provided with two groups, and the support rods (12), the connecting rods (11) and the first screw rods (9) form a triangular structure.

6. A pipette capacity calibration device according to claim 1, characterised in that: the sliding block (17) is sleeved on the outer walls of the fixing rod (15) and the second screw rod (16), external threads are arranged on the outer wall of the second screw rod (16), internal threads are arranged in a hole in the middle of the sliding block (17), and the second screw rod (16) is in threaded connection with the sliding block (17).