CN214974108U

CN214974108U - Pipetting device

Info

Publication number: CN214974108U
Application number: CN202023147500.8U
Authority: CN
Inventors: 高寨寨; 魏小渊; 杨叶; 逯思显
Original assignee: Hohhot Golden Medical Laboratory Co ltd
Current assignee: Hohhot Golden Medical Laboratory Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-03
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a move liquid device, including holding subassembly, ration subassembly and dividing the liquid subassembly: the accommodating component comprises a liquid storage bottle and a liquid conveying pipe, an accommodating space for storing solution is arranged in the liquid storage bottle, and the liquid conveying pipe penetrates through the liquid storage bottle and at least partially extends into the accommodating space; the quantitative component is used for driving the solution in the accommodating space to be output from the infusion tube; divide the liquid subassembly to include the fluid-discharge tube, divide liquid spare and a plurality of branch liquid pipe, fluid-discharge tube threaded connection in transfer line divides liquid spare to communicate respectively in fluid-discharge tube and a plurality of branch liquid pipe, and each divides all can dismantle on the liquid pipe to be connected with one and annotates the liquid head. The liquid transfer device of this embodiment is used, and the quantitative subassembly can control the solution volume of output, divides the liquid subassembly to lead the solution of output to carry out synchronous filling to a plurality of targets of waiting to annotate in the operation of once annotating through a plurality of liquid pipes that divide that set up and annotate the liquid head output from the difference, and the filling efficiency can improve, excellent in use effect.

Description

Pipetting device

Technical Field

The utility model relates to a medical science detects technical field, especially relates to a move liquid device.

Background

In the medical detection operation process, a liquid transfer device is required to be frequently used for transferring a solution to be detected or other solutions, along with the popularization of cervical cancer screening, the quantity of gynecological examination specimens is increased day by day, the traditional liquid transfer device can only be used for filling a reaction cup in the one-time filling process, when a large number of samples are filled, long time is required to be consumed, the operation efficiency is low, and the use effect is poor. Therefore, a new pipetting device is needed to change the current situation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a move liquid device for solve the lower problem of traditional pipettor filling efficiency.

The utility model provides a liquid-transfering device, include:

the accommodating component comprises a liquid storage bottle and an infusion tube, an accommodating space for storing solution is formed in the liquid storage bottle, and the infusion tube penetrates through the liquid storage bottle and at least partially extends into the accommodating space;

the quantitative component is arranged on the accommodating component and at least partially extends into the accommodating space, and is used for driving the solution in the accommodating space to be output from the infusion tube; and

divide the liquid subassembly, include the fluid-discharge tube, divide liquid spare and a plurality of branch liquid pipe, fluid-discharge tube threaded connection in the transfer line, divide liquid spare communicate respectively in the fluid-discharge tube is with a plurality of divide the liquid pipe, and be used for with the solution of transfer line output is from a plurality of divide liquid pipe output, and each divide and all can dismantle on the liquid pipe and be connected with one and annotate the liquid head.

As a further alternative of the present application, the quantitative assembly includes a moving member and an adjusting member, the moving member is in sliding fit with the liquid storage bottle, and the solution in the accommodating space can be discharged from the liquid conveying pipe in the process that the moving member moves towards the adjusting member; the infusion tube is respectively arranged on the moving part and the adjusting part in a penetrating way.

As a further alternative of the present application, the moving member includes a moving portion and a valve plate portion connected to each other, the moving portion at least partially extends from the accommodating space, the valve plate portion is located in the accommodating space, and the adjusting member is used for adjusting a distance between the adjusting member and the valve plate portion; the adjusting piece is used for dividing the accommodating space into a first accommodating cavity and a second accommodating cavity, the valve piece part is positioned in the first accommodating cavity, and the second accommodating cavity is used for accommodating a solution; the adjusting piece is provided with connecting holes which are respectively communicated with the first accommodating cavity and the second accommodating cavity;

the valve piece portion is provided with a balance hole in a penetrating mode, the moving piece further comprises an inner check valve which is embedded in the balance hole, and the inner check valve is used for enabling gas to flow towards the first accommodating cavity.

As a further alternative of the present application, the adjusting member includes a connecting portion and a limiting portion connected to each other, the limiting portion is disposed in the accommodating space and divides the accommodating space into the first accommodating chamber and the second accommodating chamber, and the connecting hole is located on the limiting portion; still be equipped with the supporting part in the stock solution bottle, connecting portion with supporting part sliding fit.

As a further alternative of the present application, the adjusting piece further includes an indicating portion, and the indicating portion is located at one end of the connecting portion away from the limiting portion; and the moving piece is provided with scale marks corresponding to the indicating part.

As a further alternative of this application, the inlet port has been seted up on the stock solution bottle, hold the subassembly and still including inlaying and locate outer check valve in the inlet port, outer check valve is used for making the outside gas get into accommodation space.

As a further alternative of the present application, the moving member is provided with an adjusting groove extending along a moving direction of the adjusting member, and the adjusting member is at least partially slidably disposed in the adjusting groove.

As a further alternative of the present application, the pipetting device further comprises a support assembly detachably connected to the plurality of liquid distribution tubes.

As a further alternative of the present application, a plurality of parallel pipe grooves are formed in the supporting component, and the pipe grooves are used for accommodating the liquid distributing pipes.

As a further alternative of the present application, the support assembly includes a support member and a handle, the tube slot being provided on the support member, one end of the handle being connected to the support member, the other end of the handle extending outwardly from the support member.

Implement the embodiment of the utility model provides a, following beneficial effect has:

in the liquid transfer device of the embodiment, the liquid separation assembly with the plurality of liquid separation pipes is arranged, each liquid separation pipe is connected with one liquid injection head, a plurality of targets to be injected can be synchronously injected in one injection action, and compared with a traditional liquid transfer device, the liquid transfer device can greatly improve the injection efficiency, so that the detection efficiency is improved; and still be provided with in the liquid-transfering device of this embodiment with divide liquid subassembly matched with ration subassembly, the ration subassembly can be controlled output solution volume to improve liquid output precision, with control detection precision, excellent in use effect.

The liquid transfer device of this embodiment is used, and the quantitative subassembly can control the solution volume of output, divides the liquid subassembly to lead the solution of output to carry out synchronous filling to a plurality of targets of waiting to annotate in the operation of once annotating through a plurality of liquid pipes that divide that set up and annotate the liquid head output from the difference, and the filling efficiency can improve, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a schematic view of a pipetting device in an embodiment of the invention;

fig. 2 is a schematic view of the internal structure of the pipetting device in the embodiment of the present invention;

fig. 3 is a schematic view of a preferred embodiment of a pipetting device in an embodiment of the invention;

in the figure:

10. a pipetting device; 100. a containment assembly; 110. a liquid storage bottle; 111. an accommodating space; 112. an air inlet; 113. a drain hole; 114. a support portion; 120. an outer check valve; 130. a transfusion tube; 200. a dosing assembly; 210. a moving member; 211. a moving part; 2111. an adjustment groove; 2112. scale lines; 212. a valve plate portion; 2121. a balance hole; 213. an inner check valve; 220. an adjustment member; 221. an indicating section; 222. a connecting portion; 223. a limiting part; 2231. connecting holes; 300. a liquid separating component; 310. a liquid discharge pipe; 320. a liquid separating member; 330. a liquid separating pipe; 400. a support assembly; 410. a support member; 411. a pipe groove; 420. a handle; 500. and a liquid injection head.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1, the embodiment of the present invention provides a liquid-transfering device 10, which includes a holding assembly 100, a quantitative assembly 200 and a liquid-transfering assembly 300, wherein the holding assembly 100 is used for storing solution, the quantitative assembly 200 is used for controlling the amount of the outputted solution, and the liquid-transfering assembly 300 is connected to a plurality of liquid-injecting heads 500, and is used for outputting the solution from the plurality of liquid-injecting heads 500.

Specifically, referring to fig. 1 and 2, the accommodating assembly 100 includes a liquid storage bottle 110 and an infusion tube 130, an accommodating space 111 for storing solution is provided inside the liquid storage bottle 110, and the infusion tube 130 is inserted through the liquid storage bottle 110 and at least partially extends into the accommodating space 111; the quantitative component 200 is arranged on the accommodating component 100 and at least partially extends into the accommodating space 111, and the quantitative component 200 is used for driving the solution in the accommodating space 111 to be output from the infusion tube 130; the liquid distribution assembly 300 comprises a liquid discharge pipe 310, a liquid distribution part 320 and a plurality of liquid distribution pipes 330, wherein the liquid discharge pipe 310 is in threaded connection with the liquid conveying pipe 130, the liquid distribution part 320 is respectively communicated with the liquid discharge pipe 310 and the liquid distribution pipes 330 and used for outputting the solution output by the liquid conveying pipe 130 from the liquid distribution pipes 330, and each liquid distribution pipe 330 can be detachably connected with a liquid injection head 500.

In the liquid transfer device 10 of the present embodiment, the liquid separation assembly 300 having a plurality of liquid separation tubes 330 is provided, and each liquid separation tube 330 is connected to one liquid injection head 500, so that a plurality of targets to be injected can be synchronously injected in one injection action, and compared with a conventional liquid transfer device, the liquid transfer device can greatly improve the injection efficiency, thereby improving the detection efficiency; in addition, the liquid transfer device 10 of the present embodiment is further provided with a quantitative assembly 200 matched with the liquid separation assembly 300, and the quantitative assembly 200 can control the amount of the output solution, so that the liquid output precision is improved, the detection precision is controlled, and the using effect is good.

By using the liquid-transfering device 10 of the embodiment, the quantitative component 200 can control the amount of the output solution, the liquid-transfering component 300 can output the output solution from different liquid-transfering heads 500 through the plurality of liquid-transfering tubes 330, a plurality of objects to be filled can be synchronously filled in one filling operation, the filling efficiency is improved, and the using effect is good. Specifically, referring to fig. 2, in the embodiment, the liquid storage bottle 110 is provided with a liquid discharge hole 113 at an upper side thereof, a distance between the bottom of the infusion tube 130 and the bottom surface of the accommodating space 111 is not greater than 3mm, and the infusion tube 130 located in the accommodating space 111 extends out of the liquid storage bottle 110 from the liquid discharge hole 113.

When the liquid-transfering device 10 of this embodiment is assembled, the liquid-transfering tube 130 and the liquid-discharging tube 310 are connected by screw threads, so that the sealing between the liquid-transfering tube 130 and the liquid-discharging tube 310 can be ensured, and the liquid-transfering device is convenient to disassemble and assemble, and after the liquid-transfering device 10 of this embodiment is used, the liquid-transfering component 300 and the containing component 100 can be separated, so that the liquid-transfering device is convenient to store and has simple structure and good use effect.

Specifically, the quantitative assembly 200 comprises a moving member 210 and an adjusting member 220, the moving member 210 is in sliding fit with the liquid storage bottle 110, and the solution in the accommodating space 111 can be discharged from the infusion tube 130 in the process that the moving member 210 moves towards the adjusting member 220; the infusion tube 130 is respectively inserted through the moving member 210 and the adjusting member 220.

When the pipetting device 10 of the present embodiment is used, the amount of the solution output from the quantitative component 200 is adjusted by moving the adjusting member 220, when the adjusting member 220 is adjusted to a predetermined position, that is, when the amount of the solution to be output is determined, the moving member 210 is operated to apply pressure to the inside of the accommodating space 111, the solution inside the accommodating space 111 can enter the infusion tube 130 from the bottom of the infusion tube 130 after being subjected to external pressure, and is output to the liquid discharge tube 310 along the infusion tube 130, and the liquid distributing member 320 can equally distribute the solution in the liquid discharge tube 310, so that the solution can be output from the plurality of liquid distributing tubes 330.

It should be noted that, in this embodiment, a plurality of output holes are formed at one side of the liquid separating member 320, each output hole corresponds to one liquid separating tube 330, the plurality of output holes are all communicated with the liquid discharging tube 310, and after the solution enters the liquid separating member 320 from the liquid discharging tube 310, the solution can be output through the plurality of output holes; in other embodiments, a liquid pressure balancing element may be disposed in the liquid separating member 320 to balance the liquid pressure in each of the output holes, so that the solution output from the liquid separating pipe 330 has the same liquid pressure.

In some other embodiments, the output hole may be provided with a quick-release interface, so that a corresponding number of liquid distribution pipes 330 may be connected according to actual use requirements, when the liquid distribution pipes 330 are connected to the quick-release interface, the solution in the liquid discharge pipe 310 may be discharged through the liquid distribution pipes 330, and when the liquid distribution pipes 330 are separated from the liquid distribution member 320, the quick-release interface may close the output hole; divide liquid pipe 330 and annotate and also can set up quick detach interface between liquid head 500, when annotating liquid head 500 and dividing liquid pipe 330 to be connected, solution can be exported to annotating liquid head 500 and discharge from liquid pipe 330, after annotating liquid head 500 and dividing liquid pipe 330 to separate, quick detach interface can seal liquid pipe 330 to avoid the weeping, excellent in use effect.

Referring to fig. 2, in the embodiment, the moving element 210 includes a moving portion 211 and a valve portion 212 connected to each other, the moving portion 211 at least partially extends from the accommodating space 111, the valve portion 212 is located in the accommodating space 111, and the adjusting element 220 is used for adjusting a distance between the adjusting element and the valve portion 212; the adjusting part 220 is used for dividing the accommodating space 111 into a first accommodating cavity and a second accommodating cavity, the valve sheet part 212 is located in the first accommodating cavity, and the second accommodating cavity is used for accommodating a solution; a connecting hole 2231 respectively communicated with the first accommodating cavity and the second accommodating cavity is formed in the adjusting piece 220; the valve portion 212 has a balance hole 2121, and the moving element 210 further includes an inner check valve 213 embedded in the balance hole 2121, wherein the inner check valve 213 is used for allowing the gas to flow toward the first receiving chamber.

In this embodiment, the adjusting part 220 can limit the movement of the valve plate part 212, and the output amount of the solution can be adjusted by adjusting the distance between the adjusting part 220 and the valve plate part 212, when the moving part 210 is driven to move, the valve plate part 212 can move relative to the adjusting part 220 to change the space volume of the first accommodating cavity, and when the space volume of the first accommodating cavity is reduced, the air pressure in the second accommodating cavity can be increased, so that the solution in the second accommodating cavity is driven to be output from the infusion tube 130.

By embedding the inner check valve 213 on the valve plate part 212 of the moving part 210, when the valve plate part 212 moves to increase the space volume of the first accommodating cavity, external air can enter the first accommodating cavity from the inner check valve 213, so that the air pressure of the second accommodating cavity is balanced, and the accommodating space 111 is prevented from generating negative pressure; meanwhile, when the valve portion 212 moves to reduce the volume of the first receiving chamber, the inner check valve 213 may prevent the gas balance hole 2121 in the first receiving chamber from being discharged, so as to ensure the pressure applying function of the valve portion 212.

Specifically, referring to fig. 2, the adjusting part 220 includes a connecting part 222 and a limiting part 223 connected to each other, the limiting part 223 is disposed in the accommodating space 111 and divides the accommodating space 111 into a first accommodating cavity and a second accommodating cavity, and the connecting hole 2231 is located on the limiting part 223; the liquid storage bottle 110 is further provided with a support part 114, and the connecting part 222 is in sliding fit with the support part 114.

Preferably, the connecting portion 222 and the supporting portion 114 may be in an interference fit, so as to implement a positioning function of the adjusting member 220, so that a fixing function may be implemented after the adjusting member 220 is moved to a designated position; in this embodiment, the distance between the limiting portion 223 and the valve plate portion 212, that is, the moving range of the valve plate portion 212, is adjusted by moving the adjusting member 220, and the output amount of the solution can be adjusted and controlled by the moving range corresponding to the amount of the discharged solution, when the solution needs to be discharged, the valve plate portion 212 moves toward the limiting portion 223 until abutting against the limiting portion 223, and the amount of the discharged solution can be adjusted by adjusting the distance between the limiting portion 223 and the valve plate portion 212.

Further, the adjusting member 220 further includes an indicating portion 221, wherein the indicating portion 221 is located at one end of the connecting portion 222 away from the limiting portion 223; the moving member 210 is provided with scale lines 2112 corresponding to the indication portion 221.

In this arrangement, the liquid discharge amount of the quantitative unit 200 can be visually displayed by moving the adjusting member 220 so that the indicating portion 221 corresponds to the graduation marks 2112 at different positions.

Specifically, in order to balance the air pressure inside the accommodating space 111, the liquid storage bottle 110 is provided with an air inlet hole 112, the accommodating assembly 100 further comprises an external one-way valve 120 embedded in the air inlet hole 112, and the external one-way valve 120 is used for allowing external air to enter the accommodating space 111.

When the moving member 210 moves to reduce the volume of the first accommodating cavity, the external air can enter the accommodating space 111 from the external one-way valve 120 and is located on the side of the valve portion 212 away from the first accommodating cavity, and at this time, the valve portion 212 can increase the air pressure in the second accommodating cavity, so that the liquid can be discharged from the infusion tube 130; when the moving member 210 moves in the opposite direction to expand the spatial volume of the first accommodating chamber, the gas at the side away from the first accommodating chamber can enter the first accommodating chamber from the internal check valve 213 to balance the gas pressure therein; through the outer check valve 120 who sets up, can make and continuously keep the state of balanced atmospheric pressure in the accommodation space 111, thereby avoid the inside negative pressure that appears of accommodation space 111 to influence the flowing back effect.

Referring to fig. 1 and fig. 2, in the embodiment, the moving member 210 is provided with an adjusting groove 2111 extending along the moving direction of the adjusting member 220, and the adjusting member 220 is at least partially slidably disposed in the adjusting groove 2111.

Through the adjustment groove 2111 and the adjustment piece 220 cooperation of seting up on the moving piece 210, both can carry out spacing to the removal of adjustment piece 220, also can make the adjustment piece 220 carry out steady slip for moving piece 210 simultaneously, simple structure, excellent in use effect.

Further, referring to fig. 1, the pipetting device 10 further comprises a support assembly 400, wherein the support assembly 400 is detachably connected to the plurality of liquid distribution tubes 330.

From this setting, a plurality of liquid pipes 330 of dividing can be fixed through supporting component 400, and when filling the operation, operating personnel can be through holding supporting component 400 with a plurality of liquid pipes 330 of dividing of removal simultaneously, and the convenient degree of use can improve.

Specifically, the supporting assembly 400 is provided with a plurality of parallel tube slots 411, and the tube slots 411 are used for accommodating the liquid distribution tubes 330.

It can be understood that, when the pipetting device 10 of the present embodiment is used, the plurality of liquid distribution tubes 330 can be respectively fixed in different tube slots 411, so as to avoid the phenomenon of bending of the liquid distribution tubes 330, and to arrange the liquid distribution tubes 330 regularly for the convenience of filling operation.

Referring to fig. 1, in one embodiment, the support assembly 400 includes a support member 410 and a handle 420, wherein the tube slot 411 is disposed on the support member 410, one end of the handle 420 is connected to the support member 410, and the other end of the handle 420 extends outward from the support member 410.

When the liquid transfer device 10 of the embodiment is used, an operator firstly fixes the liquid separation tubes 330 in the tube slot 411 of the support assembly 400, and then the liquid injection position of the liquid injection head 500 can be conveniently adjusted by holding the handle 420 by hand, and the liquid separation tubes 330 can be conveniently moved by setting the handle 420, so that the use effect is good. Further, the handle 420 can be provided with an anti-slip coating, so that the handle 420 is prevented from slipping from the hand of an operator, and the safety is improved.

It should be noted that the drain pipe 310 shown in fig. 1 is only an illustration, and the length of the drain pipe 310 is not limited herein; referring to FIG. 3, in the preferred embodiment of the present application, the length of the drain pipe 310 is 30cm, and the drain pipe 310 has flexibility to be bent; in the case of using the pipetting device 10 of this embodiment, the liquid storage bottle 110 can be placed on the operation table and the liquid injection head 500 can be driven to move by moving the support assembly 400, during which the liquid discharge tube 310 can be bent to perform the liquid infusion function.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A pipetting device characterized by comprising:

2. The pipette device according to claim 1, wherein the dosing assembly includes a moving member and an adjusting member, the moving member is slidably engaged with the liquid storage bottle, and the solution in the accommodation space can be discharged from the liquid transport tube during movement of the moving member toward the adjusting member; the infusion tube is respectively arranged on the moving part and the adjusting part in a penetrating way.

3. The pipette device according to claim 2, wherein the moving member includes a moving portion and a valve plate portion that are connected, the moving portion at least partially protruding from the accommodation space, the valve plate portion being located in the accommodation space, the adjusting member being configured to adjust a distance from the valve plate portion; the adjusting piece is used for dividing the accommodating space into a first accommodating cavity and a second accommodating cavity, the valve piece part is positioned in the first accommodating cavity, and the second accommodating cavity is used for accommodating a solution; the adjusting piece is provided with connecting holes which are respectively communicated with the first accommodating cavity and the second accommodating cavity;

4. The pipette device according to claim 3, wherein the regulating member comprises a connecting portion and a limiting portion which are connected, the limiting portion is provided in the accommodating space and divides the accommodating space into the first accommodating chamber and the second accommodating chamber, and the connecting hole is located on the limiting portion; still be equipped with the supporting part in the stock solution bottle, connecting portion with supporting part sliding fit.

5. The pipette device according to claim 4, wherein the regulating member further comprises an indicating portion located at an end of the connecting portion remote from the stopper portion; and the moving piece is provided with scale marks corresponding to the indicating part.

6. The liquid transfer device according to claim 3, wherein an air inlet is formed in the liquid storage bottle, and the accommodation assembly further comprises an external one-way valve embedded in the air inlet, wherein the external one-way valve is used for allowing external air to enter the accommodation space.

7. The pipette device according to claim 2, wherein the moving member has an adjustment groove formed therein and extending in a moving direction of the adjustment member, and the adjustment member is at least partially slidably provided in the adjustment groove.

8. The pipette device according to claim 1, characterized in that the pipette device further comprises a support assembly that is detachably connected to the plurality of liquid separation tubes.

9. The pipetting device of claim 8, wherein the support assembly defines a plurality of parallel channels for receiving the dispensing tubes.

10. The pipette device according to claim 9, wherein the support assembly includes a support member on which the tube well is provided, and a handle having one end connected to the support member and the other end extending outward from the support member.