CN104001563B - Pipettor - Google Patents
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- CN104001563B CN104001563B CN201410251672.XA CN201410251672A CN104001563B CN 104001563 B CN104001563 B CN 104001563B CN 201410251672 A CN201410251672 A CN 201410251672A CN 104001563 B CN104001563 B CN 104001563B
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- connecting rod
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- inside casing
- head connecting
- bulb
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Abstract
The invention relates to a pipettor which comprises an outer frame, an inner frame, a liquid path pipe, a ball head connecting rod, a ball head and a de-sucking head mechanism, wherein the inner frame is fixedly connected with a power rod and is driven to move by the power rod; the outer frame is suitable for sliding up and down along the inner frame; the ball head connecting rod penetrates through the inner and outer frames; the top end of the ball head connecting rod is fixedly connected with the inner frame and is electrically insulated with the inner frame; the ball head is fixed at the bottom end of the ball head connecting rod and is used for clamping a suction head; the liquid path pipe vertically penetrates through the inner and outer frames, and passes through the ball head connecting rod and the ball head; the de-sucking head mechanism comprises an ejector pin, a rocker and a sleeve; the sleeve is arranged at the bottom of the outer frame, and is arranged outside the ball head connecting rod and the ball head in a sleeving manner, and is opposite to the position of the suction head; the top end of the ejector pin is limited in a hollow cavity of the inner frame; the ejector pin is suitable for sliding up and down along the inner frame; the rocker and the inner frame are hinged, one end of the rocker props against the top end of the ejector pin and the other end of the rocker props against the outer frame. The pipettor is compact in structure, is used for automatically extracting the suction head and the de-sucking head when medical/chemical and various measuring devices transfer liquid and is capable of detecting whether the suction head is in contact with the liquid surface.
Description
Technical field
The present invention relates to a kind of liquid-transfering device, belong to laboratory equipment technical field.
Background technology
Pipettor is the device pipetting liquid of low capacity conventional in laboratory, is widely used in clinical diagnostic laboratories, Biotechnology Experiment room, pharmacy and chemical laboratory, environmental laboratory, food experiment room etc.Along with improving constantly of all kinds of laboratory mechanical automation degree, automatic assembly line work station becomes the leading role in laboratory just gradually, in order to draw, moving, load the liquid of trace more accurately, also day by day improves the designing requirement of pipettor.
Chinese patent literature CN103691498(application number: 201410004737.0) disclose a kind of pipettor and use it to carry out moving the method for liquid, this pipettor comprises base, is located at the column of base side, the Z axis motor be located on column, the first screw mandrel being located at Z axis motor output shaft, the slide block be located on the first screw mandrel, be fixedly installed in the pipetting device on slide block and be located on base and the electromagnetic locator be electrically connected with Z axis motor, described pipetting device comprises the piston head Connection Bracket of connection sliding block, be installed in the piston motor on piston head Connection Bracket, the second screw mandrel be connected with the output shaft of piston motor, the piston fixed head be connected with the second screw mandrel, be installed in the several pistons on piston fixed head, be set in the piston/cylinder on piston, the corresponding piston in lower end of piston/cylinder is provided with several interrupting, lower end of interrupting is provided with sealing bulge loop and directed bulge loop, piston fixed head is provided with push rod, the lower end of push rod is provided with the push pedal of desorption head, this desorption head push pedal to be arranged at below piston/cylinder and to be arranged at the top of directed bulge loop.This pipettor relies on motor driven plunger move up and down thus inhale tapping body, moves liquid measure and controls not easily, easily produce error.This pipettor relies on motor to drive the push pedal of desorption head, adds the energy consumption of desorption head.In this pipettor, cannot liquid level sensor be set.
Summary of the invention
The technical problem that the present invention solves is: propose one and automatically can extract suction nozzle, desorption head, and device inside and the position for clamping suction nozzle form the pipettor of electric path.
In order to solve the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of pipettor, comprises housing, inside casing, influidic pipe, ball head connecting rod, bulb and move back suction head mechanism; Be provided with cavity in described inside casing, described housing elastic spacing is outer and be suitable for sliding up and down along inside casing in described inside casing; Described ball head connecting rod through the bottom of described inside casing and housing, the top of ball head connecting rod be fixedly connected with inside casing and with described inside casing electric insulation; Described bulb is fixed on the bottom of described ball head connecting rod for clamping suction nozzle; Described influidic pipe upward and downward runs through described inside casing and housing and through described ball head connecting rod and bulb; The described suction head mechanism that moves back comprises thimble, rocking bar and sleeve pipe; Described sleeve pipe is located at the bottom of described housing and is enclosed within outside described ball head connecting rod and bulb; Described sleeve pipe is relative with suction nozzle position; The top of described thimble is limited in the cavity of inside casing, described thimble passes the bottom of described inside casing and housing and is suitable for sliding up and down along inside casing, described rocking bar and inside casing are hinged and pass inside casing, offset with the top of thimble bottom one end of described rocking bar, offset with housing bottom the other end of described rocking bar.
In order to the balance making to move back suction head mechanism is better, move more stable, a kind of preferably technical scheme is: above-mentioned move back suction head mechanism thimble and rocking bar have two groups, two groups of thimbles and rocking bar lay respectively at the both sides of inside casing.
In order to make the structure of moving back suction head mechanism compacter, the transmission of power is more effective, and a kind of preferred technical scheme is: above-mentioned rocking bar is the reclinate semilunes in two ends, and middle part and the inside casing of described rocking bar are hinged.
In order to improve influidic pipe and the sealing between ball head connecting rod and bulb, a kind of preferred technical scheme is: above-mentioned bulb is column, and the middle part of described bulb offers stepped hole along its axis direction; The internal diameter of the hypomere of described stepped hole and the external diameter of influidic pipe match, and the internal diameter of the epimere of described stepped hole and the external diameter of ball head connecting rod match; The sealing ring be enclosed within influidic pipe is provided with between the step of the bottom of described ball head connecting rod and the stepped hole of described bulb; The bottom of described ball head connecting rod is provided with external screw thread, and the epimere of the stepped hole of described bulb is provided with the internal thread with the external screw thread threaded engagement of ball head connecting rod.When bulb is tightened on ball head connecting rod, bulb and ball head connecting rod can pinch seal circles, when suction nozzle is enclosed within bulb, bulb generation deformation can pinch seal circle further, thus make bulb and influidic pipe, gap between ball head connecting rod and influidic pipe is cut off, thus make liquid can not enter in the cavity of inside casing along gap, can effectively prevent the circuit board in cavity from making moist.
The one of technique scheme is preferably further: above-mentioned sealing ring is O RunddichtringO.
More steady when sliding relative to inside casing to make the housing of elastic spacing outside inside casing, a kind of preferred technical scheme is: the inwall both sides of above-mentioned housing have groove, the both sides of described inside casing are respectively equipped with the lug boss being positioned at corresponding recesses, the top of described lug boss offers the spring groove of opening upwards, be provided with Compress Spring in described spring groove, the two ends of described Compress Spring offset with inside casing and housing respectively; One end of described rocking bar and the bottom of groove offset.Compress Spring makes the bottom being positioned at housing at initial position inside casing all the time, when thimble be subject to external force ejection move upward time, rocking bar rotate, make housing relative to inside casing slide downward, thus sleeve pipe is moved downward relative to bulb, thus ejection suction nozzle makes suction nozzle and drop-out of ball head.
In order to make the adjustable length of power rail, a kind of preferred technical scheme is: above-mentioned pipettor also comprises power rail and power rail nut; The top of described housing is provided with opening, and the top of described inside casing is positioned at described opening; Described power rail passes the top of described inside casing and is threaded with inside casing; Described power rail nut screws on power rail, and power rail nut offsets from the top of top and inside casing.
In order to satisfied use needs, a kind of preferred technical scheme is: above-mentioned influidic pipe is made up of straight tube and the flexible pipe being set in described straight tube top, and described flexible pipe is through described inside casing and power rail; Described straight tube is through described ball head connecting rod and bulb.
Whether, in order to make the built-in detection and liquid level detection of pipettor, can detect suction nozzle and contact with liquid level, a kind of preferred technical scheme is: above-mentioned pipettor also comprises the suction nozzle be set on described bulb; Liquid level detection circuit plate is provided with in the cavity of described inside casing; Described ball head connecting rod and bulb are conductors, and described liquid level detection circuit plate is electrically connected with suction nozzle by ball head connecting rod and bulb.This pipettor can the built-in liquid level detection circuit plate be electrically connected with suction nozzle, have and detect the function that suction nozzle touches liquid level position, thus the position of pipettor can be determined, to ensure the fixed position that suction nozzle can rest on below liquid level and sets, thus ensure that in imbibition process, suction nozzle too much can not immerse liquid.
In order to limit the position ensureing ball head connecting rod further, and ensure ball head connecting rod and inside casing electric insulation, a kind of preferred technical scheme is: described ball head connecting rod is fixedly connected with inside casing by insulating part, and described insulating part comprises ball head connecting rod fixed block and ball head connecting rod nut; Described ball head connecting rod fixed block is positioned at housing and is positioned at the below of inside casing, and described ball head connecting rod passes ball head connecting rod fixed block and is connected with ball head connecting rod fixed block key; Described ball head connecting rod nut screws on ball head connecting rod, and described ball head connecting rod nut stretches in ball head connecting rod fixed block through the bottom of inside casing, and the top of described ball head connecting rod nut is limited in inside casing.Fixing ball head connecting rod by ball head connecting rod fixed block and ball head connecting rod nut can make ball head connecting rod effectively be fixed relative to inside casing, ensures that ball head connecting rod can not double swerve.
The present invention has positive effect:
(1) influidic pipe in pipettor of the present invention runs through whole pipettor, completes washing lotion tell liquid by the device be arranged on outside pipettor, can improve the precision of moving liquid measure to greatest extent.
(2) pipettor of the present invention is when extracting suction nozzle, and bulb aims at suction nozzle inner chamber, and pipettor vertically declines, and makes suction nozzle be enclosed within bulb, and bulb can ensure that suction nozzle is firmly connected with pipettor, can not come off.
(3) of the present invention when desorption head, only pipettor need be moved to the position of desorption head, and the block piece stopping that thimble moves downward is provided with in the position of desorption head, when pipettor vertically declines, block piece promotes thimble and moves upward (or moving upward relative to inside casing with external force promotion thimble) relative to inside casing, rocking bar rotates, rocking bar and housing contact jaw press down, thus housing is moved down relative to inside casing, sleeve pipe moves downward relative to bulb, thus ejection suction nozzle makes suction nozzle and drop-out of ball head, when pipettor vertically rises (or external force is cancelled), inside casing and housing automatically reset under the action of the spring.The suction head mechanism that moves back of this passive desorption head makes the motion process of desorption head more steady, and reliability is higher, and energy consumption reduces.
(4) pipettor structural design compact and reasonable of the present invention, compact, convenient, flexible, be applicable to medical treatment, all kinds of checkout equipments in the fields such as chemical industry.
(5) pipettor of the present invention is connected the cavity of inside casing and the electric path of suction nozzle by ball head connecting rod with bulb formation, thus can liquid level detection device be set, detect suction nozzle whether to contact with liquid level, to ensure the fixed position that suction nozzle can rest on below liquid level and sets, thus ensure that in imbibition process, suction nozzle too much can not immerse liquid.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, pipettor of the present invention is described further:
Fig. 1 is the structural representation of the pipettor of the embodiment of the present invention 1;
Fig. 2 is pipettor in Fig. 1 sectional view when putting suction nozzle;
Fig. 3 is pipettor in Fig. 1 sectional view when returning suction nozzle.
The mark of above-mentioned accompanying drawing is as follows:
Housing 1, groove 11, opening 12,
Inside casing 2, lug boss 21, spring groove 21-1, cover plate 22, cavity 23,
Influidic pipe 3, straight tube 31, flexible pipe 32,
Ball head connecting rod 4, projection 41,
Bulb 5, stepped hole 51,
Move back suction head mechanism 6, thimble 61, rocking bar 62, sleeve pipe 63,
Suction nozzle 7, sealing ring 8,
Ball head connecting rod fixed block 91, stopper slot 91-1, ball head connecting rod nut 92, power rail 93, power rail nut 94,
Compress Spring 10,
Liquid level detection circuit plate 100.
Detailed description of the invention
In the specific embodiment of the present invention, be carry out according to the location fix shown in Fig. 2 to the orientation of each parts and the description of correlation.
Embodiment 1
See Fig. 1 to Fig. 3, the pipettor of the present embodiment comprises housing 1, inside casing 2, influidic pipe 3, ball head connecting rod 4, bulb 5, moves back suction head mechanism 6, suction nozzle 7, power rail 93 and power rail nut 94.The top of housing 1 is provided with opening 12, and the top of inside casing 2 is positioned at opening 12.Power rail 93 passes the top of inside casing 2 and is threaded with inside casing 2.Power rail nut 94 screws on power rail 93, and power rail nut 94 offsets from the top of top and inside casing 2.Cavity 23 is provided with in inside casing 2.The top of inside casing 2 is provided with the groove being common to wiring with the cavity 23 of inside casing 2 mutually.
The inwall both sides of housing 1 have groove 11.The both sides of inside casing 2 are respectively equipped with the lug boss 21 being positioned at corresponding recesses 11.The top of lug boss 21 offers the spring groove 21-1 of opening upwards.Compress Spring 10 is provided with in spring groove 21-1.Top and the housing 1 of Compress Spring 10 offset, and bottom and the inside casing 2 of Compress Spring 10 offset, thus housing 1 can be slided up and down relative to inside casing 2, and housing 1 is compressed spring 10 power upwards all the time, is positioned at the top of inside casing 2 when initial position.
Ball head connecting rod 4 is stainless steels.Ball head connecting rod 4 is fixedly connected with inside casing 2 by insulating part, and insulating part comprises ball head connecting rod fixed block 91 and ball head connecting rod nut 92, and ball head connecting rod fixed block 91 and ball head connecting rod nut 92 are made up of insulating materials.Ball head connecting rod fixed block 91 is positioned at housing 1 and is positioned at the below of inside casing 2.Ball head connecting rod 4 is successively through the bottom of inside casing 2, ball head connecting rod fixed block 91 and housing 1.The bottom of ball head connecting rod fixed block 91 is provided with stopper slot 91-1, and ball head connecting rod 4 is provided with the projection 41 matched with stopper slot 91-1, and ball head connecting rod 4 is connected by projection 41 key be limited in stopper slot 91-1 with ball head connecting rod fixed block 91.Ball head connecting rod nut 92 screws on ball head connecting rod 4, ball head connecting rod nut 92 stretches in ball head connecting rod fixed block 91 through the bottom of inside casing 2, the top of ball head connecting rod nut 92 is limited in inside casing 2, thus ball head connecting rod 4 is fixedly connected with inside casing 2, but ball head connecting rod 4 and inside casing 2 electric insulation.
Bulb 5 is made up of conductive material.Bulb 5 is column, and the middle part of bulb 5 offers stepped hole 51 along its axis direction.The internal diameter of the hypomere of stepped hole 51 and the external diameter of influidic pipe 3 match, and the internal diameter of the epimere of stepped hole 51 and the external diameter of ball head connecting rod 4 match.The O RunddichtringO 8 be enclosed within influidic pipe 3 is provided with between the step of the bottom of ball head connecting rod 4 and the stepped hole 51 of bulb 5.The bottom of ball head connecting rod 4 is provided with external screw thread, and the epimere of the stepped hole 51 of bulb 5 is provided with the internal thread with the external screw thread threaded engagement of ball head connecting rod 4.Bulb 5 screws the bottom at ball head connecting rod 4, and suction nozzle 7 is sheathed and be connected to the bottom of bulb 5.
Liquid level detection circuit plate 100 is provided with in the cavity 23 of inside casing 2.Liquid level detection circuit plate 100 can see capacitance type liquid level detection module existing on market.Liquid level detection circuit plate 100 is electrically connected with suction nozzle 7 by ball head connecting rod 4 and bulb 5.
Influidic pipe 3 is made up of straight tube 31 and the flexible pipe 32 being set in straight tube 31 top, and flexible pipe 32 protrudes upward through inside casing 2 and power rail 93.Straight tube 31 is stainless steel tube, and straight tube 31 is through ball head connecting rod 4 and bulb 5, and the lower end of straight tube 31 stretches out bulb 5 slightly.
Move back suction head mechanism 6 and comprise thimble 61, rocking bar 62 and sleeve pipe 63.Sleeve pipe 63 is fixedly connected on the bottom of housing 1 and is enclosed within outside ball head connecting rod 4 and bulb 5.Sleeve pipe 63 is relative with suction nozzle 7 position.Thimble 61 and rocking bar 62 have two groups, and two groups of thimbles 61 and rocking bar 62 lay respectively at the left and right sides of inside casing 2.The top of thimble 61 is limited in the cavity 23 of inside casing 2.Thimble 61 successively through the bottom of inside casing 2, ball head connecting rod fixed block 91 and housing 1 bottom and be suitable for sliding up and down along inside casing 2.Rocking bar 62 is in the reclinate semilune in two ends.Middle part and the inside casing 2 of rocking bar 62 are hinged.Rocking bar 62, through inside casing 2, offsets with the top of corresponding thimble 61 bottom one end of rocking bar 62, offsets bottom the other end of rocking bar 62 with the bottom of the groove 11 of housing 1.
The front of inside casing 2 is also provided with the cover plate 22 be fixedly connected on by screw on inside casing 2.
The pipettor of the present embodiment is when extracting suction nozzle, and make pipettor move to position that bulb 5 aims at suction nozzle 7, pipettor is overall vertically to decline, and suction nozzle 7 is overlapped and is connected on bulb 5.
The pipettor of the present embodiment, when desorption head, makes pipettor move to the position of desorption head, and the position of desorption head is provided with the block piece stopping that thimble 61 moves downward.When pipettor entirety vertically declines, block piece promotes thimble 61 and moves upward relative to inside casing 2, and rocking bar 62 rotates, housing 1 is pressed down, thus housing 1 is moved down relative to inside casing 2, sleeve pipe 63 moves downward relative to bulb 5, thus ejection suction nozzle 7 makes suction nozzle 7 and bulb 5 throw off.When pipettor entirety vertically rises, thimble 61 moves downward relative to inside casing 2, and housing 1 gets back to initial position relative to inside casing 2 upward sliding under the effect of Compress Spring 10.
Pipettor of the present invention is not limited to the various embodiments described above.Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (10)
1. a pipettor, is characterized in that: comprise housing (1), inside casing (2), influidic pipe (3), ball head connecting rod (4), bulb (5) and move back suction head mechanism (6); Be provided with cavity (23) in described inside casing (2), described housing (1) elastic spacing in described inside casing (2) outward and be suitable for sliding up and down along inside casing (2); Described ball head connecting rod (4) through the bottom of described inside casing (2) and housing (1), the top of ball head connecting rod (4) be fixedly connected with inside casing (2) and with described inside casing (2) electric insulation; The bottom that described bulb (5) is fixed on described ball head connecting rod (4) is used for clamping suction nozzle (7); Described influidic pipe (3) upward and downward runs through described inside casing (2) and housing (1) and through described ball head connecting rod (4) and bulb (5); The described suction head mechanism (6) that moves back comprises thimble (61), rocking bar (62) and sleeve pipe (63); Described sleeve pipe (63) is located at the bottom of described housing (1) and is enclosed within described ball head connecting rod (4) and bulb (5) outward; Described sleeve pipe (63) is relative with suction nozzle (7) position; The top of described thimble (61) is limited in the cavity (23) of inside casing (2), described thimble (61) through described inside casing (2) and housing (1) bottom and be suitable for sliding up and down along inside casing (2), described rocking bar (62) and inside casing (2) are hinged and pass inside casing (2), offset with the top of thimble (61) bottom one end of described rocking bar (62), offset with housing (1) bottom the other end of described rocking bar (62).
2. pipettor according to claim 1, is characterized in that: described in move back the thimble (61) of suction head mechanism (6) and rocking bar (62) has two groups, two groups of thimbles (61) and rocking bar (62) lay respectively at the both sides of inside casing (2).
3. pipettor according to claim 2, is characterized in that: described rocking bar (62) is reclinate semilune in two ends, and middle part and the inside casing (2) of described rocking bar (62) are hinged.
4. pipettor according to claim 3, is characterized in that: described bulb (5) is column, and the middle part of described bulb (5) offers stepped hole (51) along its axis direction; The internal diameter of the hypomere of described stepped hole (51) and the external diameter of influidic pipe (3) match, and the internal diameter of the epimere of described stepped hole (51) and the external diameter of ball head connecting rod (4) match; The sealing ring (8) be enclosed within influidic pipe (3) is provided with between the step of the bottom of described ball head connecting rod (4) and the stepped hole (51) of described bulb (5); The bottom of described ball head connecting rod (4) is provided with external screw thread, and the epimere of the stepped hole (51) of described bulb (5) is provided with the internal thread with the external screw thread threaded engagement of ball head connecting rod (4).
5. pipettor according to claim 4, is characterized in that: described sealing ring (8) is O RunddichtringO.
6. pipettor according to claim 1, it is characterized in that: the inwall both sides of described housing (1) have groove (11), the both sides of described inside casing (2) are respectively equipped with the lug boss (21) being positioned at corresponding recesses (11), the top of described lug boss (21) offers the spring groove (21-1) of opening upwards, be provided with Compress Spring (10) in described spring groove (21-1), the two ends of described Compress Spring (10) offset with inside casing (2) and housing (1) respectively; One end of described rocking bar (62) and the bottom of groove (11) offset.
7. pipettor according to claim 1, is characterized in that: also comprise power rail (93) and power rail nut (94); The top of described housing (1) is provided with opening (12), and the top of described inside casing (2) is positioned at described opening (12); Described power rail (93) through described inside casing (2) top and be threaded with inside casing (2); Described power rail nut (94) screws on power rail (93), and power rail nut (94) offsets from the top of top and inside casing (2).
8. pipettor according to claim 7, is characterized in that: described influidic pipe (3) is made up of straight tube (31) and the flexible pipe (32) that is set in described straight tube (31) top, and described flexible pipe (32) is through described inside casing (2) and power rail (93); Described straight tube (31) is through described ball head connecting rod (4) and bulb (5).
9. according to the pipettor one of claim 1 to 8 Suo Shu, it is characterized in that: also comprise the suction nozzle (7) be set on described bulb (5); Liquid level detection circuit plate (100) is provided with in the cavity (23) of described inside casing (2); Described ball head connecting rod (4) and bulb (5) are conductors, and described liquid level detection circuit plate (100) is electrically connected with suction nozzle (7) by ball head connecting rod (4) and bulb (5).
10. pipettor according to claim 9, is characterized in that: described ball head connecting rod (4) is fixedly connected with inside casing (2) by insulating part, and described insulating part comprises ball head connecting rod fixed block (91) and ball head connecting rod nut (92); Described ball head connecting rod fixed block (91) is positioned at housing (1) and is positioned at the below of inside casing (2), and described ball head connecting rod (4) is through ball head connecting rod fixed block (91) and be connected with ball head connecting rod fixed block (91) key; Described ball head connecting rod nut (92) screws on ball head connecting rod (4), and described ball head connecting rod nut (92) is stretched in ball head connecting rod fixed block (91) through the bottom of inside casing (2), and the top of described ball head connecting rod nut (92) is limited in inside casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251672.XA CN104001563B (en) | 2014-06-09 | 2014-06-09 | Pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251672.XA CN104001563B (en) | 2014-06-09 | 2014-06-09 | Pipettor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001563A CN104001563A (en) | 2014-08-27 |
| CN104001563B true CN104001563B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251672.XA Active CN104001563B (en) | 2014-06-09 | 2014-06-09 | Pipettor |
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| CN (1) | CN104001563B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110465342B (en) * | 2016-06-15 | 2022-10-04 | 汉密尔顿公司 | Pipetting device, pipette tip coupler and pipette tip: apparatus and method |
| CH712735A1 (en) * | 2016-07-22 | 2018-01-31 | Tecan Trading Ag | Pipetting device with a liquid volume sensor and liquid processing system. |
| CN107418998B (en) * | 2016-09-14 | 2020-02-28 | 四川蓝光英诺生物科技股份有限公司 | Microparticle manipulation method, bioprinting method and biological construct |
| CN107340171A (en) * | 2017-08-14 | 2017-11-10 | 中生（苏州）医疗科技有限公司 | A kind of separate type system for pretreating sample |
| CN107340172A (en) * | 2017-08-14 | 2017-11-10 | 中生（苏州）医疗科技有限公司 | A kind of integrated sample preprocessing system |
| US20220099693A1 (en) * | 2019-01-28 | 2022-03-31 | Formulatrix, Inc. | Positive displacement pipette tip for motorized control automation or instrument system |
| CN110146141B (en) * | 2019-04-26 | 2020-06-05 | 浙江大学 | Liquid level detection device and method for improved sleeve type sampling needle |
| CN112345784B (en) * | 2020-10-22 | 2021-09-24 | 烟台海深威软件有限公司 | Sample adding needle, needle withdrawing mechanism used for sample adding needle and needle installing and withdrawing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010009747U1 (en) * | 2010-07-01 | 2010-11-18 | Brand Gmbh + Co Kg | Pipette for a pipette system with pipette and syringe |
| CN202219172U (en) * | 2011-09-05 | 2012-05-16 | 罗耿荣 | Fast-assembly and fast-disassembly sucking-head-withdrawing device for high-precision electric pipetting device |
| CN202527192U (en) * | 2012-04-19 | 2012-11-14 | 深圳市瑞沃德生命科技有限公司 | Liquid-moving device with adjustable sucker rod |
| CN103691498B (en) * | 2014-01-06 | 2015-05-27 | 广州市刑事科学技术研究所 | Liquid-moving machine and method of moving liquid by same |
| CN203944404U (en) * | 2014-06-09 | 2014-11-19 | 上海优爱宝机器人技术有限公司 | A kind of pipettor |
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