CN115569680A - Magnetic force controllable type ceiling type pipettor - Google Patents

Magnetic force controllable type ceiling type pipettor Download PDF

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Publication number
CN115569680A
CN115569680A CN202211242623.0A CN202211242623A CN115569680A CN 115569680 A CN115569680 A CN 115569680A CN 202211242623 A CN202211242623 A CN 202211242623A CN 115569680 A CN115569680 A CN 115569680A
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CN
China
Prior art keywords
wall
frame
fixedly connected
telescopic
clamping
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Granted
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CN202211242623.0A
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Chinese (zh)
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CN115569680B (en
Inventor
华靓
张朝明
黄骥斌
廖光超
王欣
杜亚军
范盈伶
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Chengdu Dean Medical Laboratory Co ltd
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Chengdu Dean Medical Laboratory Co ltd
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Publication of CN115569680A publication Critical patent/CN115569680A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manipulator (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention discloses a magnetic force controllable type ceiling type liquid transfer device, which belongs to the field of liquid transfer devices and comprises a base and a clamping mechanism arranged outside the base, wherein the clamping mechanism comprises a telescopic component, a connecting component and a clamping component; flexible subassembly includes rack, centre gripping frame, flexible depression bar, flexible slider and playback spring, the top fixedly connected with rack of base, the outer wall fixedly connected with centre gripping frame of rack, the inner wall of centre gripping frame runs through there is flexible depression bar, this kind of controllable type ceiling type pipettor of magnetic force, and through setting up the grip block, flexible slider slides and drives the rotor plate through flexible orifice plate and rotates, and the rotor plate rotates and drives the link block through the slip orifice plate and slides, and the link block slides and drives the grip block and fix the pipettor main part, realizes the stable fixed operation to the pipettor main part, prevents that the pipettor main part from dropping, leads to pipettor main part internals impaired.

Description

Magnetic force controllable type ceiling type pipettor
Technical Field
The invention relates to the field of pipettors, in particular to a magnetic force controllable ceiling type pipettor.
Background
The liquid transfer device is also called a liquid transfer gun, and is a metering tool for transferring liquid from an original container to another container within a certain range; the liquid transfer device is widely applied to the fields of biology, chemistry and the like, and the principle of the liquid transfer device is that the long force of a spring stretching within a certain limit is in direct proportion to the elastic force, namely the volume of liquid in the liquid transfer device is in direct proportion to the elastic force of the spring in the liquid transfer device.
However, the problem that the suction nozzle easily drops appears when using in current pipettor, leads to the suction nozzle to receive the infection easily, and current pipettor appears the pipettor when using and places unstable problem, leads to the pipettor to drop easily, leads to pipettor main part internals impaired, unsatisfied people's user demand, for this reason we provide a controllable type ceiling type pipettor of magnetic force.
Disclosure of Invention
The invention aims to provide a magnetic force controllable type ceiling type liquid transfer device, which solves the problems that a suction nozzle is easy to fall off and the liquid transfer device is unstable in placement in the background technology.
The invention is realized by the following steps: a magnetic force controllable type ceiling type liquid transfer device comprises a base and a clamping mechanism arranged outside the base, wherein the clamping mechanism comprises a telescopic assembly, a connecting assembly and a clamping assembly;
the telescopic assembly comprises a placing frame, a clamping frame, a telescopic pressure rod, a telescopic sliding block and a homing spring, the top end of the base is fixedly connected with the placing frame, the outer wall of the placing frame is fixedly connected with the clamping frame, the inner wall of the clamping frame penetrates through the telescopic pressure rod, the bottom end of the telescopic pressure rod is fixedly connected with the telescopic sliding block which is in sliding connection with the inner wall of the clamping frame, and the bottom end of the telescopic sliding block is fixedly connected with the homing spring which is fixedly connected with the inner wall of the clamping frame;
the connecting assembly comprises a telescopic pore plate and a rotating plate, the side wall of the telescopic sliding block is fixedly connected with the telescopic pore plate, and the outer wall of the telescopic pore plate is movably connected with the rotating plate which is screwed with the inner wall of the clamping frame;
the clamping assembly comprises a sliding pore plate, a connecting slide block, a clamping plate and a liquid transfer device main body, wherein the sliding pore plate is movably connected to the bottom end of the rotating plate, the connecting slide block is fixedly connected to the bottom end of the sliding pore plate and slidably connected to the inner wall of the clamping frame, the clamping plate extends to the outside of the clamping frame and is fixedly connected to the outer wall of the connecting slide block, and the liquid transfer device main body is tightly attached to the outer wall of the clamping plate.
Preferably, power source is installed to the outer wall of base, the outer wall of rack is located the below fixedly connected with of centre gripping frame and the frame is inhaled with the magnetism of pipettor main part outer wall laminating, the inner wall of pipettor main part runs through there is the lifting pressure pole, the lifting pressure pole is provided with work spring with the position of being connected of pipettor main part, the bottom fixedly connected with piston rod of lifting pressure pole, the bottom fixedly connected with work piston of piston rod, the outer wall sliding connection of work piston has the work cylinder with pipettor main part inner wall fixed connection, the bottom of work cylinder extends to pipettor main part below fixedly connected with connecting pipe, the bottom of connecting pipe is provided with the suction nozzle, the suction nozzle is provided with the installation frame with the position of being connected of connecting pipe, the outer wall fixedly connected with location lug of suction nozzle.
Preferably, the clamping frame is provided with six groups, the position relation of the clamping frame is distributed in an equiangular circumference manner about the central axis of the placing frame, the telescopic pore plates are provided with two groups, and the position relation of the two groups of telescopic pore plates is symmetrical about the telescopic sliding block.
Preferably, the rotating plate forms a rotating structure with the clamping frame through the telescopic sliding block and the telescopic pore plate, and the connecting sliding block forms a sliding structure with the clamping frame through the rotating plate and the sliding pore plate.
Preferably, the axis of frame is inhaled to magnetism and the centre gripping frame is located same vertical plane, the work piston passes through and constitutes elevation structure between work spring and the piston rod and the work cylinder, the suction nozzle is the toper, the axis of suction nozzle coincides mutually with the axis of location lug.
Preferably, the frame is inhaled to magnetism includes control module, coil, electro-magnet, work magnet and positioning groove, the inner wall fixedly connected with control module of frame is inhaled to magnetism, the coil is installed to control module's output, the inner wall of coil runs through there is the electro-magnet, the one end of electro-magnet extends to magnetism and inhales the frame outside and be provided with the work magnet with pipettor main part outer wall fixed connection, the outer wall fixedly connected with of frame is inhaled with magnetism and inhale the positioning groove that the frame outer wall was laminated mutually to magnetism.
Preferably, the appearance of coil is the heliciform, the axis of coil coincides mutually with the axis of electro-magnet, the electro-magnet passes through to constitute magnetic structure between coil and the working magnet.
Preferably, the installation frame includes clamp plate, lift ring, installation spring, connecting rod, slip slider, spacing spout, flexible fixture block and installation section of thick bamboo, the inner wall of installation frame runs through there is the clamp plate, the one end fixedly connected with of clamp plate and installation frame inner wall sliding connection's lift ring, the top fixedly connected with of lift ring and installation frame inner wall fixed connection's installation spring, the bottom of lift ring has connect soon and has connected the connecting rod, the bottom of connecting rod has connect soon and has slided the slider, spacing spout has been seted up with the position of being connected of installation frame to the slip slider, the bottom fixedly connected with of slip slider and installation frame inner wall sliding connection's flexible fixture block, the one end of flexible fixture block extends to the installation frame outer wall and closely laminates and has the installation section of thick bamboo with suction nozzle top fixed connection.
Preferably, the lifting ring forms sliding construction through between installation spring and the installation frame, the axis of lifting ring coincides mutually with the axis of installation frame, it is provided with four groups, four groups to connect the position relation of connecting rod and be the equal angle circumference distribution about the axis of lifting ring.
Preferably, the sliding block forms a sliding structure with the limiting sliding groove through the lifting ring and the connecting rod, the telescopic clamping block forms a clamping structure with the mounting cylinder through the sliding block, and the outer wall of the telescopic clamping block is attached to the mounting cylinder.
The magnetic force controllable type ceiling type liquid transfer device provided by the invention has the following beneficial effects when in use:
1. this controllable type ceiling type pipettor of magnetic force through setting up the lift ring, and the clamp plate motion drives the lift ring and overcomes the elasticity of installation spring and slides along the inner wall of installation frame, and the lift ring slides and drives four group's connecting rod synchronous motion, realizes the control operation to four group's connecting rod synchronous motion.
2. This controllable type ceiling type pipettor of magnetic force, through setting up flexible fixture block, the slip of ring drives the outer wall slip of slip slider along spacing spout through connecting the connecting rod, and the slip slider slides and drives flexible fixture block and the installation section of thick bamboo on suction nozzle top and laminate mutually, realizes stabilizing the installation operation to the suction nozzle, prevents that the suction nozzle from droing when the pipettor main part moves the liquid.
3. This controllable type ceiling type pipettor of magnetic force, through setting up the work piston, the lifting depression bar motion drives the piston rod and overcomes work spring's elasticity synchronous motion to make the piston rod slide and drive the work piston and slide along the inner wall of work cylinder, through the pressure change that changes work cylinder, with the testing reagent in the test tube in inhaling the connecting pipe, realize the liquid-transfering operation to the pipettor main part.
4. This controllable type ceiling type pipettor of magnetic force, through setting up the electro-magnet, the electro-magnet passes through the coil and produces magnetic force, and the electro-magnet attracts mutually with the work magnet to make the pipettor main part fix in advance positioning groove, realize the operation of inhaling to the magnetism of pipettor main part.
5. This controllable type ceiling type pipettor of magnetic force, through setting up the grip block, flexible slider slides and drives the rotor plate through flexible orifice plate and rotate, and the rotor plate rotates and drives the link block through the slip orifice plate and slides, and the link block slides and drives the grip block and fixes the pipettor main part, realizes the stable fixed operation to the pipettor main part, prevents that the pipettor main part from dropping, leads to pipettor main part internals impaired.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of a connection structure of a holding frame and a pipette main body according to the present invention;
FIG. 3 is a schematic view of the internal structure of the clamping frame according to the present invention;
FIG. 4 is a schematic view of the internal structure of the magnetic frame of the present invention;
fig. 5 is a schematic structural view of a pipette body of the present invention;
fig. 6 is a schematic view of the internal structure of a pipette body according to the present invention;
FIG. 7 is a schematic view of the nozzle and mounting frame attachment configuration of the present invention;
fig. 8 is an enlarged view of a structure shown in fig. 7.
Summary of reference numerals: 1. a base; 2. placing a rack; 3. a clamping frame; 4. a telescopic pressure lever; 5. a telescopic slide block; 6. a homing spring; 7. a telescopic orifice plate; 8. a rotating plate; 9. sliding the orifice plate; 10. connecting the sliding block; 11. a clamping plate; 12. a pipette body; 13. a power interface; 14. a frame is magnetically attracted; 1401. a control module; 1402. a coil; 1403. an electromagnet; 1404. a working magnet; 1405. a positioning groove; 15. a lifting pressure lever; 16. a working spring; 17. a piston rod; 18. a working piston; 19. a working cylinder barrel; 20. a connecting pipe; 21. a suction nozzle; 22. a mounting frame; 2201. pressing a plate; 2202. a lifting ring; 2203. installing a spring; 2204. connecting the connecting rod; 2205. a sliding block; 2206. a limiting chute; 2207. a telescopic clamping block; 2208. mounting the cylinder; 23. and positioning the projection.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In an embodiment, referring to fig. 1 to 8, the embodiment provides a magnetic force controllable ceiling type pipette, including a base 1 and a clamping mechanism disposed outside the base 1, where the clamping mechanism includes a telescopic assembly, a connecting assembly, and a clamping assembly;
the telescopic assembly comprises a placing frame 2, a clamping frame 3, a telescopic pressure rod 4, a telescopic sliding block 5 and a homing spring 6, the top end of the base 1 is fixedly connected with the placing frame 2, the outer wall of the placing frame 2 is fixedly connected with the clamping frame 3, the inner wall of the clamping frame 3 is penetrated by the telescopic pressure rod 4, the bottom end of the telescopic pressure rod 4 is fixedly connected with the telescopic sliding block 5 which is in sliding connection with the inner wall of the clamping frame 3, and the bottom end of the telescopic sliding block 5 is fixedly connected with the homing spring 6 which is fixedly connected with the inner wall of the clamping frame 3;
the connecting assembly comprises a telescopic pore plate 7 and a rotating plate 8, the side wall of the telescopic sliding block 5 is fixedly connected with the telescopic pore plate 7, and the outer wall of the telescopic pore plate 7 is movably connected with the rotating plate 8 which is screwed with the inner wall of the clamping frame 3;
the centre gripping subassembly includes slip orifice plate 9, link block 10, grip block 11 and pipettor main part 12, and the bottom swing joint of rotor plate 8 has slip orifice plate 9, and the bottom fixedly connected with of slip orifice plate 9 and 3 inner wall sliding connection's of centre gripping frame link block 10, the outer wall fixedly connected with of link block 10 extend to the grip block 11 of 3 outside of centre gripping frame, and the outer wall of grip block 11 closely laminates and has pipettor main part 12.
Further, a power interface 13 is installed on the outer wall of the base 1, the outer wall of the placement frame 2 is located below the clamping frame 3 and is fixedly connected with a magnetic suction frame 14 attached to the outer wall of the pipette main body 12, a lifting pressure rod 15 penetrates through the inner wall of the pipette main body 12, a working spring 16 is arranged at a connecting portion of the lifting pressure rod 15 and the pipette main body 12, a piston rod 17 is fixedly connected to the bottom end of the lifting pressure rod 15, a working piston 18 is fixedly connected to the bottom end of the piston rod 17, a working cylinder 19 fixedly connected to the inner wall of the pipette main body 12 is slidably connected to the outer wall of the working piston 18, the bottom end of the working cylinder 19 extends to a connecting pipe 20 below the pipette main body 12, a suction nozzle 21 is arranged at the bottom end of the connecting pipe 20, an installation frame 22 is arranged at a connecting portion of the suction nozzle 21 and the connecting pipe 20, a positioning bump 23 is fixedly connected to the outer wall of the suction nozzle 21, which is beneficial to the lifting pressure rod 15 to move to drive the piston rod 17 to overcome the elastic force of the working spring 16 to synchronously move, so that the piston 18 slides along the inner wall of the working cylinder 19 to slide, and to suck the detection reagent in the connecting pipe 20 into the connecting pipe 20 and realize the pipette main body 12.
Further, centre gripping frame 3 is provided with six groups, six position relations of group's centre gripping frame 3 are the angular circle distribution such as about the axis of rack 2, telescopic hole board 7 is provided with two sets ofly, two sets of telescopic hole board 7's position relation is symmetrical about telescopic sliding block 5, through setting up six group's centre gripping frame 3, be favorable to realizing the operation of placing multiunit pipettor main part 12, through setting up two sets of telescopic hole board 7, be favorable to telescopic sliding block 5 to slide and drive two sets of telescopic hole board 7 simultaneous movement, realize two sets of telescopic hole board 7 simultaneous movement's control operation.
Further, the rotating plate 8 forms a rotating structure through the telescopic sliding block 5, the telescopic pore plate 7 and the clamping frame 3, the connecting sliding block 10 forms a sliding structure through the rotating plate 8, the sliding pore plate 9 and the clamping frame 3, the telescopic sliding block 5 is facilitated to slide, the telescopic pore plate 7 drives the rotating plate 8 to rotate, the rotating plate 8 rotates, the connecting sliding block 10 is driven to slide through the sliding pore plate 9, and the sliding control operation of the connecting sliding block 10 is achieved.
Furthermore, the central axis of the magnetic attraction frame 14 and the clamping frame 3 are located on the same vertical plane, the working piston 18 forms a lifting structure with the working cylinder 19 through the working spring 16 and the piston rod 17, the suction nozzle 21 is conical, and the central axis of the suction nozzle 21 coincides with the central axis of the positioning bump 23, so that the lifting pressure rod 15 can move to drive the piston rod 17 to overcome the elastic force of the working spring 16 to move synchronously, the piston rod 17 slides to drive the working piston 18 to slide along the inner wall of the working cylinder 19, and the control operation of the sliding of the working piston 18 is realized.
Further, frame 14 is inhaled to magnetism includes control module 1401, coil 1402, electro-magnet 1403, work magnet 1404 and positioning groove 1405, the inner wall fixedly connected with control module 1401 of frame 14 is inhaled to magnetism, coil 1402 is installed to control module 1401's output, the inner wall of coil 1402 runs through there is electro-magnet 1403, the one end of electro-magnet 1403 extends to the outside work magnet 1404 who is provided with pipettor main part 12 outer wall fixed connection of frame 14 is inhaled to magnetism, the outer wall fixedly connected with of frame 14 is inhaled the positioning groove 1405 that frame 14 outer wall was laminated mutually with magnetism, inhale frame 14 through setting up magnetism, be favorable to circular telegram to coil 1402, make electro-magnet 1403 produce magnetic force through electromagnetic induction, electro-magnet 1403 attracts mutually with work magnet 1404, so that pipettor main part 12 carries out the pre-fixing to positioning groove 1405, the realization is inhaled the operation to pipettor main part 12 magnetism.
Further, coil 1402's appearance is the heliciform, and coil 1402's the axis coincides mutually with the axis of electro-magnet 1403, and electro-magnet 1403 passes through to constitute between coil 1402 and the work magnet 1404 and inhales the structure, is favorable to making electro-magnet 1403 produce magnetic force through electromagnetic induction, and electro-magnet 1403 attracts mutually with work magnet 1404 to make pipettor main part 12 advance fixedly to positioning groove 1405, realize pipettor main part 12 operation of fixing in advance.
Further, the installation frame 22 includes a pressing plate 2201, a lifting ring 2202, an installation spring 2203, a connection link 2204, a sliding slider 2205, a limit sliding groove 2206, a telescopic fixture block 2207 and an installation cylinder 2208, the pressing plate 2201 penetrates through the inner wall of the installation frame 22, the lifting ring 2202 slidably connected with the inner wall of the installation frame 22 is fixedly connected with one end of the pressing plate 2201, the installation spring 2203 fixedly connected with the inner wall of the installation frame 22 is fixedly connected with the top end of the lifting ring 2202, the connection link 2204 is rotatably connected with the bottom end of the lifting ring 2202, the sliding slider 2205 is rotatably connected with the bottom end of the connection link 2204, the limit sliding groove 2206 is formed at the connection part of the sliding slider 2205 and the installation frame 22, the telescopic fixture block 2207 slidably connected with the inner wall of the installation frame 22 is fixedly connected with one end of the telescopic fixture block 2207, the installation cylinder 2208 fixedly connected with the top end of the suction nozzle 21 is tightly jointed with the outer wall of the installation frame 22, by arranging the installation frame 22, the installation frame is beneficial to the lifting ring 2202 to slide and drive the sliding slider 2205 to slide along the outer wall of the limit sliding chute 2206, and stably joint the suction nozzle 2208 with the suction nozzle 21 through the connecting link 2207.
Furthermore, the lifting ring 2202 and the mounting frame 22 form a sliding structure through the mounting spring 2203, the central axis of the lifting ring 2202 coincides with the central axis of the mounting frame 22, four groups of connecting links 2204 are provided, the positional relationship of the four groups of connecting links 2204 is distributed in an equiangular circumferential manner with respect to the central axis of the lifting ring 2202, the four groups of connecting links 2204 are provided, so that the movement of the pressing plate 2201 is facilitated to drive the lifting ring 2202 to slide along the inner wall of the mounting frame 22 against the elastic force of the mounting spring 2203, the sliding of the lifting ring 2202 drives the four groups of connecting links 2204 to move synchronously, and the control operation of the synchronous movement of the four groups of connecting links 2204 is realized.
Furthermore, the sliding slider 2205 forms a sliding structure through the lifting ring 2202 and the connecting rod 2204 and the limiting sliding groove 2206, the telescopic fixture block 2207 forms a clamping structure through the sliding slider 2205 and the mounting cylinder 2208, the outer wall of the telescopic fixture block 2207 is attached to the mounting cylinder 2208, the lifting ring 2202 can slide to drive the sliding slider 2205 to slide along the outer wall of the limiting sliding groove 2206 through the connecting rod 2204, the sliding slider 2205 can slide to drive the telescopic fixture block 2207 to be attached to the mounting cylinder 2208 at the top end of the suction nozzle 21, and stable mounting operation of the suction nozzle 21 is achieved.
As shown in fig. 1, when the magnetic force controllable type ceiling type pipette is used, firstly, a suction nozzle 21 is stably installed, in an installation frame 22, an inspector drives a pressing plate 2201 to move, the pressing plate 2201 moves to drive a lifting ring 2202 to slide along the inner wall of the installation frame 22 against the elastic force of an installation spring 2203, the lifting ring 2202 slides to drive four groups of connecting rods 2204 to synchronously move, so that the lifting ring 2202 slides to drive a sliding block 2205 to slide along the outer wall of a limiting sliding groove 2206 through the connecting rods 2204, and the sliding block 2205 slides to drive a telescopic clamping block 2207 to be attached to an installation cylinder 2208 at the top end of the suction nozzle 21, thereby realizing the stable installation operation of the suction nozzle 21.
Then, the inspector presses the lifting/lowering rod 15, the lifting/lowering rod 15 moves to drive the piston rod 17 to overcome the elastic force of the working spring 16, so that the piston rod 17 slides to drive the working piston 18 to slide along the inner wall of the working cylinder 19, and the pressure change of the working cylinder 19 is changed to suck the detection reagent in the test tube into the connecting tube 20, thereby realizing the liquid transfer operation of the pipette main body 12.
Next, after the detection, carry out magnetism to pipettor main part 12 and inhale the operation, detection personnel are close to the positioning groove 1405 of frame 14 outer wall is inhaled to magnetism with pipettor main part 12, and control module 1401 work is circular telegram coil 1402, makes electro-magnet 1403 produce magnetic force through electromagnetic induction, and electro-magnet 1403 attracts mutually with work magnet 1404 to make pipettor main part 12 advance fixedly to positioning groove 1405, realize the magnetism operation of pipettor main part 12.
Finally, carry out the fixed operation to pipettor main part 12, in centre gripping frame 3, homing spring 6 drives telescopic slider 5 through self elasticity and slides along the inner wall of centre gripping frame 3, telescopic slider 5 slides and drives two sets of telescopic hole board 7 simultaneous movement, so that telescopic slider 5 slides and drives rotor plate 8 through telescopic hole board 7 and rotate, rotor plate 8 rotates and drives link block 10 through slip orifice 9 and slides, link block 10 slides and drives grip block 11 and fix pipettor main part 12, the realization is to the stable fixed operation of pipettor main part 12, prevent that pipettor main part 12 from dropping, it is impaired to lead to pipettor main part 12 internals.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a controllable type ceiling type pipettor of magnetic force, includes the base and sets up at the outside fixture of base, its characterized in that: the clamping mechanism comprises a telescopic component, a connecting component and a clamping component;
the telescopic assembly comprises a placing frame, a clamping frame, a telescopic pressure rod, a telescopic sliding block and a homing spring, the top end of the base is fixedly connected with the placing frame, the outer wall of the placing frame is fixedly connected with the clamping frame, the inner wall of the clamping frame penetrates through the telescopic pressure rod, the bottom end of the telescopic pressure rod is fixedly connected with the telescopic sliding block which is in sliding connection with the inner wall of the clamping frame, and the bottom end of the telescopic sliding block is fixedly connected with the homing spring which is fixedly connected with the inner wall of the clamping frame;
the connecting assembly comprises a telescopic pore plate and a rotating plate, the side wall of the telescopic sliding block is fixedly connected with the telescopic pore plate, and the outer wall of the telescopic pore plate is movably connected with the rotating plate which is screwed with the inner wall of the clamping frame;
the clamping assembly comprises a sliding pore plate, a connecting slide block, a clamping plate and a liquid transfer device main body, wherein the sliding pore plate is movably connected to the bottom end of the rotating plate, the connecting slide block is fixedly connected to the bottom end of the sliding pore plate and slidably connected to the inner wall of the clamping frame, the clamping plate extends to the outside of the clamping frame and is fixedly connected to the outer wall of the connecting slide block, and the liquid transfer device main body is tightly attached to the outer wall of the clamping plate.
2. The magnetic force-controllable ceiling-type pipette according to claim 1, characterized in that: the outer wall of the base is provided with a power interface, the outer wall of the placing frame is positioned below the clamping frame and is fixedly connected with a magnetic suction frame which is attached to the outer wall of the liquid transferring device main body, the inner wall of the liquid transferring device main body penetrates through a lifting pressure rod, a working spring is arranged at the connecting part of the lifting pressure rod and the liquid transferring device main body, the bottom end of the lifting pressure rod is fixedly connected with a piston rod, the bottom fixedly connected with work piston of piston rod, the outer wall sliding connection of work piston has the work cylinder with pipettor main part inner wall fixed connection, the bottom of work cylinder extends to pipettor main part below fixedly connected with connecting pipe, the bottom of connecting pipe is provided with the suction nozzle, the suction nozzle is provided with the installation frame with the junction of connecting pipe, the outer wall fixedly connected with location lug of suction nozzle.
3. The magnetic force-controllable ceiling-type pipette according to claim 1, characterized in that: the clamping frame is provided with six groups, the position relation of the clamping frame is distributed in an equiangular circumference mode about the central axis of the placing frame, the telescopic pore plates are provided with two groups, and the position relation of the two groups of telescopic pore plates is symmetrical about the telescopic sliding block.
4. The magnetic force-controllable ceiling-type pipette according to claim 1, characterized in that: the rotating plate forms a rotating structure with the clamping frame through the telescopic sliding block and the telescopic pore plate, and the connecting sliding block forms a sliding structure with the clamping frame through the rotating plate and the sliding pore plate.
5. The magnetically-controllable, top-mounted pipette of claim 2, wherein: the axis of frame is inhaled to magnetism is located same vertical face with the centre gripping frame, the work piston passes through and constitutes elevation structure between work spring and the piston rod and the work cylinder, the suction nozzle is the toper, the axis of suction nozzle coincides mutually with the axis of location lug.
6. The magnetic force-controllable ceiling-type pipette according to claim 2, characterized in that: the frame is inhaled to magnetism includes control module, coil, electro-magnet, work magnet and positioning groove, the inner wall fixedly connected with control module of frame is inhaled to magnetism, the coil is installed to control module's output, the inner wall of coil runs through there is the electro-magnet, the one end of electro-magnet extends to magnetism and inhales the frame outside and be provided with the work magnet with pipettor main part outer wall fixed connection, the outer wall fixedly connected with of frame is inhaled with magnetism and inhale the positioning groove that the frame outer wall was laminated mutually.
7. The magnetic force-controllable ceiling-type pipette according to claim 6, characterized in that: the appearance of coil is the heliciform, the axis of coil coincides mutually with the axis of electro-magnet, the electro-magnet passes through to constitute between coil and the working magnet and inhales the structure.
8. The magnetic force-controllable ceiling-type pipette according to claim 2, characterized in that: the utility model discloses a suction nozzle, including installation frame, installation connecting rod, installation frame, installation connecting rod, slip slider, spacing spout, flexible fixture block and installation section of thick bamboo, the inner wall of installation frame runs through there is the clamp plate, the one end fixedly connected with of clamp plate and installation frame inner wall sliding connection's lift ring, the top fixedly connected with of lift ring and installation frame inner wall fixed connection's installation spring, the bottom of lift ring has connect soon and has connected the connecting rod, the bottom of connecting rod has connect soon and has slided the slider, spacing spout has been seted up with the position of being connected of installation frame to the slip slider, the bottom fixedly connected with of slip slider and installation frame inner wall sliding connection's flexible fixture block, the one end of flexible fixture block extends to the installation frame outer wall and closely laminates and has the installation section of thick bamboo with suction nozzle top fixed connection.
9. The magnetic force-controllable ceiling-type pipette according to claim 8, characterized in that: the lift ring passes through to constitute sliding construction between installation spring and the installation frame, the axis of lift ring coincides mutually with the axis of installation frame, it is provided with four groups, four groups to connect the position relation of connecting rod and be the angular circle distribution such as about the axis of lift ring.
10. The magnetic force-controllable ceiling-type pipette according to claim 8, characterized in that: the sliding block passes through the lifting ring and is connected between connecting rod and the spacing spout and constitute sliding structure, flexible fixture block passes through sliding block and constitutes between the installation section of thick bamboo and press from both sides tight structure, the outer wall and the installation section of thick bamboo of flexible fixture block laminate mutually.
CN202211242623.0A 2022-10-11 2022-10-11 Magnetic force controllable ceiling type pipettor Active CN115569680B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08299865A (en) * 1995-04-28 1996-11-19 Canyon Corp Manual trigger type dispenser and its nozzle
CN101674721A (en) * 2009-07-10 2010-03-17 李建 Miniature array electromagnet mounting assembly
JP2018202299A (en) * 2017-06-01 2018-12-27 株式会社エー・アンド・デイ Multichannel pipet
CN109374353A (en) * 2018-12-27 2019-02-22 杨永俊 Automatic sampling device for automatic analyzer
CN211216767U (en) * 2019-11-26 2020-08-11 四川同晟氨基酸有限公司 Test tube liquid-transfering gun rack for experiment
CN212017860U (en) * 2020-04-13 2020-11-27 杭州市第一人民医院 Hanging-type pipette rack
CN213943216U (en) * 2020-11-04 2021-08-13 南通麦西计量科技有限公司 Pipettor support
CN216458941U (en) * 2021-11-25 2022-05-10 合肥森力检测技术服务有限公司 Laboratory detects with accurate accent volume pipettor of single track

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08299865A (en) * 1995-04-28 1996-11-19 Canyon Corp Manual trigger type dispenser and its nozzle
CN101674721A (en) * 2009-07-10 2010-03-17 李建 Miniature array electromagnet mounting assembly
JP2018202299A (en) * 2017-06-01 2018-12-27 株式会社エー・アンド・デイ Multichannel pipet
CN109374353A (en) * 2018-12-27 2019-02-22 杨永俊 Automatic sampling device for automatic analyzer
CN211216767U (en) * 2019-11-26 2020-08-11 四川同晟氨基酸有限公司 Test tube liquid-transfering gun rack for experiment
CN212017860U (en) * 2020-04-13 2020-11-27 杭州市第一人民医院 Hanging-type pipette rack
CN213943216U (en) * 2020-11-04 2021-08-13 南通麦西计量科技有限公司 Pipettor support
CN216458941U (en) * 2021-11-25 2022-05-10 合肥森力检测技术服务有限公司 Laboratory detects with accurate accent volume pipettor of single track

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