WO2022082480A1 - 一种具有计数功能的移液器 - Google Patents

一种具有计数功能的移液器 Download PDF

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Publication number
WO2022082480A1
WO2022082480A1 PCT/CN2020/122364 CN2020122364W WO2022082480A1 WO 2022082480 A1 WO2022082480 A1 WO 2022082480A1 CN 2020122364 W CN2020122364 W CN 2020122364W WO 2022082480 A1 WO2022082480 A1 WO 2022082480A1
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pipette
cavity
scale
pipettor
fixedly connected
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PCT/CN2020/122364
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English (en)
French (fr)
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钱陈
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钱陈
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Priority to PCT/CN2020/122364 priority Critical patent/WO2022082480A1/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes

Definitions

  • the utility model relates to a pipette, in particular to a pipette with a counting function.
  • Pipettes also known as pipette guns, are often used in the laboratory to transfer small or trace amounts of liquids. They have different specifications, and different specifications are matched with different tips. It is a precise instrument.
  • the purpose of the utility model is to solve the problems existing in the prior art, and proposes a pipette with a counting function, which is convenient and quick to adjust, and can be directly adjusted when used, thereby effectively improving work efficiency.
  • the utility model provides a pipette with a counting function, which includes a pipette shell, a pipette cavity, a pipetting part, a scale screw and a suction pipe. mouth, a cavity is formed between the pipette housing and the pipette cavity, the pipetting element is slidably connected with the inner wall of the pipette cavity, and the scale screw is sleeved on the pipetting element above, the suction nozzle is fixedly connected to the bottom of the pipette housing.
  • the scale screw is sleeved on the pipetting member, and is connected by a thread, which is convenient for rotation adjustment.
  • the liquid part moves along the pipette cavity, sucks and discharges the liquid through the suction nozzle, and directly adjusts accordingly when using, which effectively improves the work efficiency.
  • a clamping handle is fixed on the upper end of the pipette shell, a reference line is engraved on the upper surface of the pipette shell, and a scale line is engraved on the side surface of the pipette shell.
  • the reference line is engraved on the upper surface of the pipette shell to facilitate adjustment and correction, and the scale line on the surface of the pipette shell is convenient for intuitive reading, which further improves the work efficiency.
  • the pipetting member comprises a push handle, a threaded rod, a connecting block and a rubber piston, one end of the threaded rod is fixedly connected to the push handle, the other end is fixedly connected to the connecting block, and the connecting block is connected to the rubber piston
  • the rubber piston is placed inside the pipette cavity and is slidably connected with the inner wall of the pipette cavity.
  • the push handle pushes the threaded rod to move, and the threaded rod pushes the rubber piston to move through the connecting block, so as to push out the liquid.
  • scale lines are engraved on the scale screw.
  • the scale screw rotates along the pipetting member once, and the moving distance is a scale marked on the scale line on the liquid container housing.
  • the scale lines on the scale screw are at equal intervals, and different scale adjustments can be made to make the adjustment more of precision.
  • the suction nozzle includes a needle nozzle holder and a needle nozzle, one end of the needle nozzle holder is fixedly connected to the needle nozzle, and the other end is fixedly connected to the pipette housing.
  • the liquid is sucked and discharged through the needle nozzle, and the needle nozzle seat makes the needle nozzle more firm and not easy to break.
  • the pipette housing and the pipette cavity are made of light-transmitting materials.
  • the scale screw of the pipette is sleeved on the pipetting part, and is connected by a thread, which is convenient for rotation adjustment. Fast, the pipetting part moves along the pipette cavity, and the liquid is sucked and discharged through the suction nozzle, and the corresponding adjustment is directly performed during use, which effectively improves the work efficiency.
  • 1 is a schematic diagram of the three-dimensional structure of the present utility model
  • Fig. 2 is the structural schematic diagram of the pipetting part of the present invention.
  • Fig. 3 is a perspective schematic view of the utility model
  • Figure 4 is a top view of the scale spiral of the present invention.
  • 1-pipette housing 11-holding handle, 2-pipette cavity, 3-pipette, 31-push handle, 32-threaded rod, 33-connection block, 4-scale screw , 5- nozzle, 51- needle seat, 52- needle.
  • the present invention provides a pipette with a counting function, comprising a pipette shell 1, a pipette cavity 2, a pipetting part 3, a scale screw 4 and a suction nozzle 5.
  • a cavity is formed between the pipette housing 1 and the pipette cavity 2, the pipetting element 3 is slidably connected to the inner wall of the pipette cavity 2, and the scale screw 4 is sleeved on the inner wall of the pipette cavity 2.
  • the suction nozzle 5 is fixedly connected to the bottom of the pipette housing 1 .
  • the scale screw 4 is sleeved on the pipetting member 3, and is connected by a thread, which is convenient for rotation adjustment.
  • the pipetting member 3 moves along the pipette cavity 2, sucks and discharges the liquid through the suction nozzle 5, and directly adjusts accordingly during use, which effectively improves the work efficiency.
  • a gripping handle 11 is fixed on the upper end of the pipette case 1 , a reference line is engraved on the upper surface of the pipette case 1 , and a scale line is engraved on the side surface of the pipette case 1 .
  • reference lines are engraved on the upper surface of the pipette housing 1 to facilitate adjustment and correction, and the scale lines on the surface of the pipette housing 1 are convenient for intuitive reading, which further improves work efficiency.
  • the pipetting member 3 includes a push handle 31, a threaded rod 32, a connecting block 33 and a rubber piston 34, one end of the threaded rod 32 is fixedly connected to the push handle 31, and the other end is connected to the
  • the block 33 is fixedly connected
  • the connecting block 33 is fixedly connected with the rubber piston 34
  • the rubber piston 34 is placed inside the pipette cavity 2 and is slidably connected with the inner wall of the pipette cavity 2 .
  • the push handle 31 pushes the threaded rod 32 to move, and the threaded rod 32 pushes the rubber piston 34 to move through the connection block 33 to push out the liquid.
  • scale lines are engraved on the scale screw 4 .
  • the scale screw 4 rotates along the pipetting member 3 once, and the moving distance is a scale marked on the scale line on the liquid container housing 1.
  • the scale lines on the scale screw 4 are at equal intervals, and different scales can be adjusted to make The adjustment is more precise.
  • the suction nozzle 5 includes a needle holder 51 and a needle nozzle 52 .
  • One end of the needle holder 51 is fixedly connected to the needle nozzle 52 , and the other end is fixedly connected to the pipette housing 1 . .
  • the liquid is sucked and discharged through the needle nozzle 52 , and the needle nozzle seat 51 makes the needle nozzle 52 firmer and less likely to be broken.
  • the pipette housing 1 and the pipette cavity 2 are made of light-transmitting materials.
  • the staff adjusts the scale screw 4, and counts the liquid removed by the number of rotations, so that the adjustment screw 4 is far away from the liquid container housing 1, and the scale screw 4 rotates once, and the corresponding displacement is the liquid container housing.
  • a scale on 1 after being adjusted to the proper position, the staff presses the push handle 31, the push handle 31 pushes the threaded rod 32 to move, the threaded rod 32 pushes the rubber piston 34 to move through the connecting block 33, the rubber piston 34 pushes the liquid, and the liquid passes through the needle
  • the mouth 52 flows out, and it is only necessary to adjust the scale screw 4 for each work, and then the next injection can be performed.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

一种具有计数功能的移液器，包括移液器壳体（1）、移液器腔体（2）、移液件（3）、刻度螺旋（4）和吸嘴（5），移液器壳体（1）与移液器腔体（2）之间形成一个空腔，移液件（3）与移液器腔体（2）内壁滑动连接，刻度螺旋（4）套在移液件（3）上，吸嘴（5）固定连接于移液器壳体（1）底部。刻度螺旋（4）沿移液件（3）转动一圈，所运动的距离为移液器壳体（1）上刻度线标注的一个刻度。

Description

一种具有计数功能的移液器 技术领域
本实用新型涉及一种移液器，具体涉及一种具有计数功能的移液器。
背景技术
移液器，又被叫做是移液枪，常用于实验室中进行少量或者是微量液体的移取，具有不同的规格，不同规格配套使用不同的枪头，是一种精密的仪器。
现有的移液器调节麻烦，部分移液器每用一次都需要进行一次校准，严重影响了工作效率。
实用新型内容
本实用新型的目的是为了解决现有技术中存在的问题，而提出的一种具有计数功能的移液器，该移液器调节方便快捷，使用时直接进行相应调节，有效提高了工作效率。
为了实现上述目的，本实用新型采用了如下技术方案：本实用新型提供了一种具有计数功能的移液器，包括移液器壳体、移液器腔体、移液件、刻度螺旋和吸嘴，所述移液器壳体与移液器腔体之间形成一个空腔，所述移液件与所述移液器腔体内壁滑动连接，所述刻度螺旋套在所述移液件上，所述吸嘴固定连接于所述移液器壳体底部。
通过上述技术方案，刻度螺旋套在移液件上，通过螺纹连接，便于旋转调节，刻度螺旋沿移液件转动一圈，所运动的距离为液器壳体上刻度线标注的一个刻度，移液件沿移液器腔体运动，通过吸嘴进行液体的吸入和排出，使用时直接进行相应调节，有效提高了工作效率。
优选的，移液器壳体上端固定设夹持手柄，所述移液器壳体上表面刻有参考线，所述移液器壳体侧面上刻有刻度线。
通过上述技术方案，移液器壳体上表面刻有参考线便于调节校正，移液器壳体上便面的刻度线便于直观读数，进一步的提高了工作效率。
优选的，所述移液件包括推柄、螺纹杆、连接块和橡皮活塞，所述螺纹杆一端固定连接推柄,另一端与所述连接块固定连接，所述连接块与所述橡皮活塞固定连接，所述橡皮活塞置于所述移液器腔体内部，且与所述移液器腔体内壁滑动连接。
通过上述技术方案，推柄推动螺纹杆运动，螺纹杆通过连接块推动橡皮活塞运动，实现液体的推出。
优选的，所述刻度螺旋上刻有刻度线。
通过上述技术方案，刻度螺旋沿移液件转动一圈，所运动的距离为液器壳体上刻度线标注的一个刻度，刻度螺旋上的刻度线间隔相等，可进行不同刻度调节，使调节更加的精准。
优选的，所述吸嘴包括针嘴座和针嘴，所述针嘴座一端与所述针嘴固定连接，另一端与所述移液器壳体固定连接。
通过上述技术方案，通过针嘴进行液体的吸入和排出，针嘴座使针嘴更加牢固，不易折断。
优选的，所述移液器壳体和移液器腔体均为透光材质。
通过上述技术方案，便于读数，便于观察，进一步的使读数准确快捷，提高了工作效率。
有益效果：
该移液器刻度螺旋套在移液件上，通过螺纹连接，便于旋转调节，刻度螺旋沿移液件转动一圈，所运动的距离为液器壳体上刻度线标注的一个刻度，调节方便快捷，移液件沿移液器腔体运动，通过吸嘴进行液体的吸入和排出，使 用时直接进行相应调节，有效提高了工作效率。
附图说明
图1为本实用新型立体结构示意图；
图2为本实用新型移液件结构示意图；
图3为本实用新型斜视立体示意图；
图4为本实用新型刻度螺旋俯视图。
图例说明：1-移液器壳体,11-夹持手柄,2-移液器腔体,3-移液件,31-推柄,32-螺纹杆,33-连接块,4-刻度螺旋,5-吸嘴，51-针嘴座，52-针嘴。
具体实施方式
为了能够更清楚地理解本实用新型的上述目的、特征和优点，下面结合附图和实施例对本实用新型做进一步说明。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本实用新型，但是，本实用新型还可以采用不同于在此描述的其他方式来实施，因此，本实用新型并不限于下面公开说明书的具体实施例的限制。
参照图1至图4所示，本实用新型提供了一种具有计数功能的移液器，包括移液器壳体1、移液器腔体2、移液件3、刻度螺旋4和吸嘴5，所述移液器壳体1与移液器腔体2之间形成一个空腔，所述移液件3与所述移液器腔体2内壁滑动连接，所述刻度螺旋4套在所述移液件3上，所述吸嘴5固定连接于所述移液器壳体1底部。
具体的，刻度螺旋4套在移液件3上，通过螺纹连接，便于旋转调节，刻度螺旋4沿移液件3转动一圈，所运动的距离为液器壳体1上刻度线标注的一个刻度，移液件3沿移液器腔体2运动，通过吸嘴5进行液体的吸入和排出， 使用时直接进行相应调节，有效提高了工作效率。
参照图1所示，移液器壳体1上端固定设夹持手柄11，所述移液器壳体1上表面刻有参考线，所述移液器壳体1侧面上刻有刻度线。
具体的，移液器壳体1上表面刻有参考线便于调节校正以及，移液器壳体1上便面的刻度线便于直观读数，进一步的提高了工作效率。
参照图1和图2所示，所述移液件3包括推柄31、螺纹杆32、连接块33和橡皮活塞34，所述螺纹杆32一端固定连接推柄31,另一端与所述连接块33固定连接，所述连接块33与所述橡皮活塞34固定连接，所述橡皮活塞34置于所述移液器腔体2内部，且与所述移液器腔体2内壁滑动连接。
具体的，推柄31推动螺纹杆32运动，螺纹杆32通过连接块33推动橡皮活塞34运动，实现液体的推出。
参照图1和图4所示，所述刻度螺旋4上刻有刻度线。
具体的，刻度螺旋4沿移液件3转动一圈，所运动的距离为液器壳体1上刻度线标注的一个刻度，刻度螺旋4上的刻度线间隔相等，可进行不同刻度调节，使调节更加的精准。
参考图1所示，所述吸嘴5包括针嘴座51和针嘴52，所述针嘴座51一端与所述针嘴52固定连接，另一端与所述移液器壳体1固定连接。
具体的，通过针嘴52进行液体的吸入和排出，针嘴座51使针嘴52更加牢固，不易折断。
参照图1所示，所述移液器壳体1和移液器腔体2均为透光材质。
具体的，便于读数，便于观察，进一步的使读数准确快捷，提高了工作效率。
工作原理如下：
移液器工作过程中，工作人员调节刻度螺旋4，通过旋转圈数对移出液体进行计数，使调节螺旋4与液器壳体1远离，刻度螺旋4旋转一圈，对应位移是液器壳体1上的一个刻度，调到适当位置后，工作人员按压推柄31，推柄31推动螺纹杆32运动，螺纹杆32通过连接块33推动橡皮活塞34运动，橡皮活塞34推动液体，液体通过针嘴52流出，每次工作只需要调节刻度螺旋4，即可进行下一次注射。
以上所述，仅是本实用新型的较佳实施例而已，并非是对本实用新型作其它形式的限制，任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改型为等同变化的等效实施例应用于其它领域，但是凡是未脱离本实用新型技术方案内容，依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与改型，仍属于本实用新型技术方案的保护范围。

Claims (6)

  1. 一种具有计数功能的移液器，其特征在于：该移液器包括移液器壳体(1)、移液器腔体(2)、移液件(3)、刻度螺旋(4)和吸嘴(5)，所述移液器壳体(1)与移液器腔体(2)之间形成一个空腔，所述移液件(3)与所述移液器腔体(2)内壁滑动连接，所述刻度螺旋(4)套在所述移液件(3)上，所述吸嘴(5)固定连接于所述移液器壳体(1)底部。
  2. 根据权利要求1所述的一种具有计数功能的移液器，其特征在于：移液器壳体(1)上端固定设夹持手柄(11)，所述移液器壳体(1)上表面刻有参考线，所述移液器壳体(1)侧面上刻有刻度线。
  3. 根据权利要求1所述的一种具有计数功能的移液器，其特征在于：所述移液件(3)包括推柄(31)、螺纹杆(32)、连接块(33)和橡皮活塞(34)，所述螺纹杆(32)一端固定连接推柄(31),另一端与所述连接块(33)固定连接，所述连接块(33)与所述橡皮活塞(34)固定连接，所述橡皮活塞(34)置于所述移液器腔体(2)内部，且与所述移液器腔体(2)内壁滑动连接。
  4. 根据权利要求1所述的一种具有计数功能的移液器，其特征在于：所述刻度螺旋(4)上刻有刻度线。
  5. 根据权利要求2所述的一种具有计数功能的移液器，其特征在于：所述吸嘴(5)包括针嘴座(51)和针嘴(52)，所述针嘴座(51)一端与所述针嘴(52)固定连接，另一端与所述移液器壳体(1)固定连接。
  6. 根据权利要求1所述的一种具有计数功能的移液器，其特征在于：所述移液器壳体(1)和移液器腔体(2)均为透光材质。
PCT/CN2020/122364 2020-10-21 2020-10-21 一种具有计数功能的移液器 WO2022082480A1 (zh)

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WO2005050554A1 (en) * 2003-11-19 2005-06-02 Thermo Electron Oy Digital counter for adjustable pipette
CN206095694U (zh) * 2016-08-31 2017-04-12 湖南恒诺仪器设备有限公司 一种用于移液器的液晶显示计数装置
CN107530702A (zh) * 2015-04-16 2018-01-02 因特格拉生物科学股份公司 用于手动移液器的容量调节
CN209597219U (zh) * 2019-01-23 2019-11-08 何萌 一种用于检验科的移液设备
CN111701630A (zh) * 2020-06-01 2020-09-25 大龙兴创实验仪器(北京)股份公司 一种移液器

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