CN216910358U

CN216910358U - Hole distance adjustable pipettor

Info

Publication number: CN216910358U
Application number: CN202122977221.2U
Authority: CN
Inventors: 甘中伟
Original assignee: Yantai Xingqi Medical Laboratory Co ltd
Current assignee: Yantai Xingqi Medical Laboratory Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-08
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a hole distance adjustable pipettor, which relates to the technical field of microbial equipment and comprises a pipettor, wherein a transfusion device is arranged on the right side of the pipettor, the pipettor comprises a distance moving mechanism, the distance moving mechanism comprises a track, a roller is arranged on the inner wall of the track, a rotating rod is fixedly connected inside the roller, two ends of the rotating rod extend to the outside of the roller, a first motor is fixedly connected to the bottom of the rotating rod, and a U-shaped block is fixedly connected to the inner wall of the track. According to the liquid transfer device, the roller, the track, the U-shaped block, the rotating rod and the first motor are matched, the first motor drives the roller to rotate, so that the track can rotate, the U-shaped block is driven to move, the first liquid outlet pipe and the second liquid outlet pipe are driven to move, the problems that multiple groups of single liquid need to be tested in the test process, and the existing liquid transfer device is lack of a hole distance adjusting function are solved, and the effect of improving the test efficiency is achieved.

Description

Pitch-of-hole adjustable pipettor

Technical Field

The utility model relates to the technical field of microbial equipment, in particular to a hole distance adjustable pipettor.

Background

In chemistry and biological assay, often need adopt the pipettor to shift liquid to can carry out safe ration to liquid and shift, reduce the experimental error, guarantee the accuracy nature of experiment, make the experiment accomplish.

The following problems exist in the prior art:

1. in the experiment process, multiple groups of single liquid need to be tested, and the existing pipettor lacks a pitch adjustment function, so that the position of part of the pipettor for injecting the liquid is too single, and the test tube needs to be repeatedly replaced to meet the experiment requirement;

2. the waste liquid case needs to be changed for a long time, and the waste liquid case slides and advances to lack fixed function behind the liquid-transfering shell is inside, if when vibrations appear, the waste liquid case probably takes place the obscission consequently to move the inside pollution that causes of liquid-transfering shell.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid transfer device with adjustable hole distance, which aims to achieve the effect of adjusting the hole distance and solve the problems that in the experimental process, multiple groups of single liquid need to be tested, and the existing liquid transfer device is lack of a hole distance adjusting function, so that the position of part of liquid injection is too single, and test tubes need to be repeatedly replaced to meet the experimental requirements; wherein another kind of purpose is to need change for a long time in order to solve the waste liquid case, and the waste liquid case slides and lacks fixed function in the inside back of liquid shell that advances, and if when vibrations appear, the waste liquid case probably takes place the obscission consequently to cause the problem of pollution to pipettor inside, in order to reach the fixed effect of waste liquid case.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a hole distance adjustable pipettor comprises a pipettor, wherein an infusion device is arranged on the right side of the pipettor.

The pipettor includes the roll displacement mechanism, the roll displacement mechanism includes the track, the inner wall of track is provided with the roller bearing, the inside fixedly connected with dwang of roller bearing, the both ends of dwang extend to the outside of roller bearing, the bottom fixedly connected with motor of dwang, the inner wall fixedly connected with U-shaped piece of track.

The pipettor includes slide mechanism, slide mechanism includes the fixed plate, the spout has been seted up to the inside of fixed plate, the inner wall bottom of spout is provided with the roll pearl, the top of roll pearl is provided with the slider, No. two motors of top fixedly connected with of spout, the output fixedly connected with threaded rod of No. two motors, the surface threaded connection of threaded rod has the thread block.

The technical scheme of the utility model is further improved as follows: the pipettor includes moving liquid shell, move liquid shell's inner wall bottom and the bottom fixed connection of fixed plate, the top of slider extends to the outside fixedly connected with waste liquid case of fixed plate.

By adopting the technical scheme, the liquid-transfering shell in the scheme can ensure that no pollution is caused by external factors in the liquid transferring process.

The technical scheme of the utility model is further improved as follows: the utility model discloses a pipette, including pipetting shell, the inner wall side fixedly connected with test-tube rack of pipetting shell, the standing groove has been seted up to pipetting shell's inside, the bottom of a motor and the bottom fixed connection of standing groove, the top of dwang and the top swing joint of standing groove.

Adopt above-mentioned technical scheme, a motor in this scheme is through the rotation that drives dwang and roller bearing for the track takes place to rotate.

The technical scheme of the utility model is further improved as follows: the infusion set includes the liquid reserve tank, the top of liquid reserve tank is provided with the transfer line, the surface of transfer line and the top that is located the liquid reserve tank are provided with the water pump, the surface of transfer line and the top that is located the liquid-transfering shell are provided with No. three drain pipes.

Adopt above-mentioned technical scheme, the water pump in this scheme can be taken the inside liquid of liquid reserve tank out and carry through the transfer line.

The technical scheme of the utility model is further improved as follows: the other end of the infusion tube is fixedly connected with an elastic infusion tube, the number of the elastic infusion tubes is two, one of the elastic infusion tubes is provided with a second liquid outlet tube, and one of the elastic infusion tubes is provided with a first liquid outlet tube.

By adopting the technical scheme, the elastic infusion tube in the scheme can still infuse in the moving process of the first liquid outlet tube and the second liquid outlet tube.

The technical scheme of the utility model is further improved as follows: the bottom of a drain pipe, a drain pipe II and a drain pipe III all extend to the inside of the liquid-transfering shell, and the surfaces of the drain pipe I and the drain pipe II are fixedly connected with the inner cavity of the U-shaped block.

By adopting the technical scheme, the movement of the U-shaped block in the scheme can drive the first liquid outlet pipe and the second liquid outlet pipe to displace.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides a hole distance adjustable pipettor, which adopts the matching of a rolling shaft, a crawler belt, a U-shaped block, a rotating rod and a motor, wherein the motor drives the rotating rod to rotate so as to drive the rolling shaft to rotate, so that the crawler belt can rotate, thereby driving the U-shaped block to displace and driving a liquid outlet pipe and a liquid outlet pipe to displace along with the rotating rod, solving the problems that multiple groups of single liquid need to be tested in the test process, the existing pipettor lacks the hole distance adjusting function, so that the positions of parts are too single when the liquid is injected, and the test tubes need to be replaced repeatedly to meet the test requirements, and achieving the effect of improving the test efficiency.

2. The utility model provides a hole distance adjustable pipettor, which adopts the matching of a sliding block, a second motor, a threaded rod and a threaded block, determines the position of the sliding block, drives the threaded rod to rotate by the second motor, enables the threaded block to move downwards and penetrate through the sliding block to be fixed, solves the problems that a waste liquid box needs to be replaced for a long time, the waste liquid box lacks a fixing function after sliding into a pipetting shell, and the waste liquid box possibly falls off when vibration occurs, so that the inner part of the pipetting shell is polluted, and achieves the effect of avoiding experimental errors.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a pipette of the present invention;

FIG. 3 is a schematic top view of the pitch mechanism of the present invention;

FIG. 4 is a schematic diagram of the rotating rod position structure of the present invention;

fig. 5 is a schematic structural diagram of the sliding mechanism of the present invention.

In the figure: 1. a pipettor; 11. a pipetting housing; 12. a sliding mechanism; 121. rolling the beads; 122. a slider; 123. a fixing plate; 124. a second motor; 125. a threaded rod; 126. a thread block; 13. a waste liquid tank; 14. a test tube rack; 15. a distance moving mechanism; 151. a roller; 152. a crawler belt; 153. a U-shaped block; 154. rotating the rod; 155. a first motor; 2. an infusion device; 21. a liquid storage tank; 22. a water pump; 23. a first liquid outlet pipe; 24. an elastic infusion tube; 25. a second liquid outlet pipe; 26. a third liquid outlet pipe; 27. an infusion tube.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-5, the present invention provides a pipette with an adjustable pore distance, which includes a pipette 1, wherein an infusion device 2 is disposed on the right side of the pipette 1, the pipette 1 includes a displacement mechanism 15, the displacement mechanism 15 includes a crawler belt 152, a roller 151 is disposed on an inner wall of the crawler belt 152, a rotating rod 154 is fixedly connected inside the roller 151, two ends of the rotating rod 154 extend to the outside of the roller 151, a first motor 155 is fixedly connected to the bottom of the rotating rod 154, a U-shaped block 153 is fixedly connected to an inner wall of the crawler belt 152, and surfaces of the first drain pipe 23 and the second drain pipe 25 are fixedly connected to an inner cavity of the U-shaped block 153.

In this embodiment, when needs carry out the roll adjustment, start a motor 155, make a motor 155 drive dwang 154 and rotate, and then drive roller bearing 151 and take place to rotate, thereby lead to track 152 to take place the displacement, track 152 can drive U-shaped piece 153 at the displacement in-process and carry out the displacement, thereby drive drain pipe 23 No. two drain pipes 25 and also take place the displacement thereupon, when drain pipe 23 is located leftmost test tube top, be the farthest distance of U-shaped piece 153 motion just this moment, carry out spacing protection to drain pipe 23 No. one, a motor 155's quantity is two, the same rotational speed direction, thereby the stability of track 152 has been guaranteed.

Example 2

As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the pipette 1 includes the slide mechanism 12, the slide mechanism 12 includes the fixed plate 123, the spout has been seted up to the inside of fixed plate 123, the inner wall bottom of spout is provided with the ball 121 that rolls, the top of the ball 121 that rolls is provided with the slider 122, the top fixedly connected with No. two motors 124 of spout, the output fixedly connected with threaded rod 125 of No. two motors 124, the surface threaded connection of threaded rod 125 has the screw thread piece 126, the top of slider 122 extends to the outside fixedly connected with waste liquid tank 13 of fixed plate 123.

In this embodiment, when needing to slide, drag waste liquid case 13 and make slider 122 and spout parallel and level, promote slider 122 this moment, slide the in-process in the spout when slider 122, the displacement can be assisted to rolling pearl 121, after slider 122 slides and accomplishes, start No. two motor 124, No. two motor 124 threaded rod 125 take place rotatoryly, thereby drive slider 122 displacement downwards, because the trompil has been seted up to the slider 122 side, slider 122 displacement in-process can pass the trompil, thereby accomplish fixedly, guarantee that slider 122 can not take place to drop when taking place vibrations, and then guaranteed waste liquid case 13's stability.

Example 3

As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the pipette 1 comprises a pipette shell 11, the bottom of the inner wall of the pipette shell 11 is fixedly connected with the bottom of a fixing plate 123, a test tube rack 14 is fixedly connected with the side surface of the inner wall of the pipette shell 11, a placing groove is formed in the pipette shell 11, the bottom of a motor 155 is fixedly connected with the bottom of the placing groove, the top of a rotating rod 154 is movably connected with the top of the placing groove, the infusion device 2 comprises a liquid storage tank 21, an infusion tube 27 is arranged at the top of the liquid storage tank 21, a water pump 22 is arranged on the surface of the infusion tube 27 and above the liquid storage tank 21, a liquid outlet tube 26 III is arranged on the surface of the infusion tube 27 and above the pipette shell 11, an elastic infusion tube 24 is fixedly connected with the other end of the infusion tube 27, the number of the elastic infusion tube 24 is two, the other end of one elastic infusion tube 24 is provided with a liquid outlet tube 25 II, one end of one elastic infusion tube 24 is provided with a liquid outlet tube 23I, the bottoms of the first liquid outlet pipe 23, the second liquid outlet pipe 25 and the third liquid outlet pipe 26 extend to the inside of the liquid-transfering shell 11.

In this embodiment, liquid is taken out from liquid reserve tank 21 inside to water pump 22, carry No. three drain pipes 26 with liquid through transfer line 27 in, can transmit in the elasticity transfer line 24 simultaneously, No. 23 drain pipes have been guaranteed, No. 25 drain liquid is stable, wherein one drain pipe 23 has been guaranteed in setting up of elasticity transfer line 24, No. 25 drain pipes take place the displacement back, liquid also can transmit to a drain pipe 23, in No. 25 drain pipes, 14 places the position for the test tube provides for the test tube by the test-tube rack, the waste liquid that produces after the washing is through a drain pipe 23, No. two drain pipes 25, No. three drain pipes 26 flow out, the waste liquid of outflow all can enter into in the waste liquid case 13.

The working principle of the pipette with adjustable pitch is described in detail below.

As shown in fig. 1-5, the waste liquid tank 13 is dragged to make the sliding block 122 level with the sliding slot, at this time, the sliding block 122 is pushed, when the sliding block 122 slides in the sliding slot, the rolling bead 121 can perform auxiliary displacement, when the sliding block 122 slides completely, the second motor 124 is started, the threaded rod 125 of the second motor 124 rotates to drive the sliding block 122 to move downwards, since the side surface of the sliding block 122 is provided with an opening, the sliding block 122 can pass through the opening during the displacement process to complete fixation, then the test tube is placed into the test tube rack 14, at this time, the first motor 155 is started, so that the first motor 155 drives the rotating rod 154 to rotate, and further drives the rolling shaft 151 to rotate, thereby causing the crawler 152 to displace, the crawler 152 can drive the U-shaped block 153 to displace during the displacement process, thereby driving the first drain pipe 23 and the second drain pipe 25 to displace, and then the water pump 22 pumps liquid from the interior of the liquid storage tank 21, liquid is conveyed into the third liquid outlet pipe 26 through the liquid conveying pipe 27, and meanwhile liquid is conveyed into the elastic liquid conveying pipe 24 to be provided for the first liquid outlet pipe 23 and the second liquid outlet pipe 25, and the test tubes are injected through the first liquid outlet pipe 23, the second liquid outlet pipe 25 and the third liquid outlet pipe 26.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. A hole distance adjustable pipettor includes pipettor (1), its characterized in that: the right side of the liquid transferring device (1) is provided with a transfusion device (2);

the pipette (1) comprises a displacement mechanism (15), the displacement mechanism (15) comprises a crawler belt (152), a rolling shaft (151) is arranged on the inner wall of the crawler belt (152), a rotating rod (154) is fixedly connected to the inside of the rolling shaft (151), two ends of the rotating rod (154) extend to the outside of the rolling shaft (151), a first motor (155) is fixedly connected to the bottom of the rotating rod (154), and a U-shaped block (153) is fixedly connected to the inner wall of the crawler belt (152);

the pipette (1) comprises a sliding mechanism (12), the sliding mechanism (12) comprises a fixing plate (123), a sliding groove is formed in the fixing plate (123), a rolling ball (121) is arranged at the bottom of the inner wall of the sliding groove, a sliding block (122) is arranged at the top of the rolling ball (121), a second motor (124) is fixedly connected to the top of the sliding groove, a threaded rod (125) is fixedly connected to the output end of the second motor (124), and a threaded block (126) is connected to the surface of the threaded rod (125) in a threaded manner.

2. A pitch-adjustable pipette as defined in claim 1, wherein: the pipettor (1) comprises a pipetting shell (11), the bottom of the inner wall of the pipetting shell (11) is fixedly connected with the bottom of a fixing plate (123), and the top of a sliding block (122) extends to the external fixedly connected waste liquid tank (13) of the fixing plate (123).

3. A pipette with adjustable pitch according to claim 2, wherein: the utility model discloses a pipette, including pipetting shell (11), inner wall side fixedly connected with test-tube rack (14) of pipetting shell (11), the standing groove has been seted up to the inside of pipetting shell (11), the bottom of a motor (155) and the bottom fixed connection of standing groove, the top of dwang (154) and the top swing joint of standing groove.

4. A pitch-adjustable pipette as defined in claim 1, wherein: infusion set (2) include liquid reserve tank (21), the top of liquid reserve tank (21) is provided with transfer line (27), the surface of transfer line (27) and the top that is located liquid reserve tank (21) are provided with water pump (22), the surface of transfer line (27) and the top that is located liquid-transfering shell (11) are provided with drain pipe No. three (26).

5. A pitch-adjustable pipette as defined in claim 4, wherein: the other end of the transfusion tube (27) is fixedly connected with an elastic transfusion tube (24), the number of the elastic transfusion tubes (24) is two, the other end of one of the elastic transfusion tubes (24) is provided with a second liquid outlet tube (25), and one end of one of the elastic transfusion tubes (24) is provided with a first liquid outlet tube (23).

6. A pitch-adjustable pipette as defined in claim 5, wherein: the bottom of a liquid outlet pipe (23), a liquid outlet pipe (25) and a liquid outlet pipe (26) all extend to the inside of the liquid-transfering shell (11), and the surfaces of the liquid outlet pipe (23) and the liquid outlet pipe (25) are all fixedly connected with the inner cavity of the U-shaped block (153).