CN114545012A - Multichannel is moved liquid equipment in batches suitable for 1 to 20ml move liquid operation - Google Patents
Multichannel is moved liquid equipment in batches suitable for 1 to 20ml move liquid operation Download PDFInfo
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- CN114545012A CN114545012A CN202210195157.9A CN202210195157A CN114545012A CN 114545012 A CN114545012 A CN 114545012A CN 202210195157 A CN202210195157 A CN 202210195157A CN 114545012 A CN114545012 A CN 114545012A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1065—Multiple transfer devices
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Abstract
A multi-channel bulk pipetting apparatus suitable for 1 to 20ml pipetting operations comprising: a support; the syringe mounting assembly comprises a syringe mounting plate and a liquid suction control plate; the power assembly comprises a liquid suction control screw motor and a lifting screw motor; the syringe, the syringe is the syringe of range at 1 to 20ml, and the syringe includes syringe overcoat and push rod, and the syringe overcoat sets up on the syringe mounting panel, and the push rod is connected with imbibition control panel. The injector is specifically in a range of 1-20 ml, and realizes multichannel batch pipetting operation of 1-20 ml of liquid. After the multichannel batch pipetting equipment provided by the invention is put into use, the problems of low operation efficiency, long consumed time and the like in 1-20 ml pipetting operation can be solved.
Description
Technical Field
The invention relates to the technical field of liquid transfer equipment, in particular to a multichannel batch pipetting device suitable for 1-20 ml pipetting operation.
Background
In the field of biotechnological research, the range of batch pipetting devices available is typically between 0.5 and 300 microliters. Batch pipetting requirements of 1 to 20ml are relatively common during sample preparation and handling. At present, in 1 to 20ml move liquid operation, the researcher generally adopts the single channel to move liquid the device and move liquid, and the single channel moves liquid the device and has moves liquid the operating efficiency low, long scheduling problem of consuming time, can't realize moving liquid fast in batches.
Disclosure of Invention
In summary, how to provide a pipetting device suitable for 1 to 20ml batch pipetting operation for solving the problems of low operation efficiency, long time consumption and the like of 1 to 20ml pipetting operation becomes a problem to be solved urgently by those skilled in the art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a multichannel batch pipetting device suitable for 1-20 ml pipetting operation, which comprises:
the liquid pipe support is arranged at the bottom of the support;
the syringe mounting assembly comprises a syringe mounting plate, the syringe mounting plate is arranged above the liquid pipe frame and is arranged in the bracket in a vertically sliding manner in the height direction, the syringe mounting plate is also linked with the syringe mounting plate, and the imbibition control plate can slide vertically relative to the syringe mounting plate in the height direction;
the power assembly comprises a liquid suction control screw motor which is fixedly arranged relative to the injector mounting plate and used for driving the liquid suction control plate to move and a lifting screw motor which is arranged on the bracket and used for driving the injector mounting assembly to move;
the syringe is a syringe with the range of 1-20 ml, and comprises a syringe jacket and a push rod, wherein the syringe jacket is arranged on the syringe mounting plate, and the push rod is connected with the liquid absorption control plate.
Preferably, in the multichannel batch pipetting device suitable for 1-20 ml pipetting operation provided by the invention, the liquid pipe frame is provided with a plurality of pipe holes for clamping the liquid pipe, and the pipe holes are arranged in a rectangular matrix; the syringe mounting plate is provided with a long straight hole, and the width of the long straight hole is not less than the diameter of the syringe jacket and less than the width of a turned edge of the syringe jacket; the injector passes through the injector mounting plate through the long straight hole and is clamped on the injector mounting plate through the curled edge of the injector outer sleeve.
Preferably, in the multi-channel batch pipetting device suitable for 1-20 ml pipetting operation provided by the invention, a fixing part (18) for pressing the curling edge of the syringe jacket is arranged on the upper side of the syringe mounting plate, and a through hole for the push rod to pass through is formed in the fixing part.
Preferably, in the multi-channel batch pipetting device suitable for 1 to 20ml pipetting operation provided by the invention, the long straight hole is arranged corresponding to all the tube holes in the same row, and a plurality of long straight holes are arranged and arranged corresponding to the tube holes in each row in the column direction; or the long straight holes are arranged corresponding to all the pipe holes in the same row, and a plurality of long straight holes are arranged corresponding to the pipe holes in each row in the row direction.
Preferably, in the multichannel batch pipetting device suitable for pipetting 1 to 20ml, a mounting rack is arranged on the top of the support, and the mounting rack comprises two parallel mounting strips arranged at intervals; and the position of the lifting screw rod motor is adjustably arranged on the mounting rack along the length direction of the mounting strip.
Preferably, in the multichannel batch pipetting device suitable for pipetting 1 to 20ml, a slide rail is fixedly arranged on the support, a chute is vertically arranged on the slide rail, and a slide block in sliding fit with the chute is fixedly arranged on the injector mounting plate.
Preferably, in the multi-channel batch pipetting device suitable for pipetting operations of 1 to 20ml, the chute is arranged on the same side of the mounting rack; a connecting angle is fixedly arranged on the injector mounting plate; the lifting screw rod motor comprises a first lifting slide block, and the first lifting slide block is fixedly arranged on the connecting angle.
Preferably, in the multichannel batch pipetting device suitable for pipetting 1 to 20ml, a U-shaped frame is arranged on the injector mounting plate, the U-shaped frame comprises two upright columns and a cross beam, the two upright columns are respectively arranged at two ends of the cross beam, and the upright columns are arranged on the middle points of the wide sides of the injector mounting plate; the liquid suction control plate is arranged below the cross beam, and the liquid suction control screw rod motor is arranged at the midpoint position in the length direction of the cross beam; the liquid suction control screw rod motor comprises a second lifting slide block, and the second lifting slide block is fixedly arranged on the liquid suction control plate.
Preferably, in the multi-channel batch pipetting device suitable for 1-20 ml pipetting operation provided by the invention, a push rod bayonet used for clamping the end part of the push rod is arranged on the bottom surface of the liquid absorption control plate; the push rod bayonet is arranged in parallel with the long straight hole and is correspondingly arranged in the vertical direction.
Preferably, in the multi-channel batch pipetting device suitable for 1 to 20ml pipetting operation provided by the invention, a bayonet plate is arranged on the bottom surface of the liquid absorption control plate; the clamping opening plates are arranged in a plurality of rows along the length direction of the clamping opening plates and are arranged in sequence along the length direction perpendicular to the clamping opening plates; the push rod bayonet is formed on the opposite bayonet edges of the two adjacent bayonet plates.
Compared with the prior art, the beneficial effects of this application are as follows:
the invention provides a multichannel batch pipetting device suitable for pipetting 1 to 20 milliliters, comprising: the bottom of the bracket is provided with a liquid pipe frame; the syringe mounting assembly comprises a syringe mounting plate, the syringe mounting plate is arranged above the liquid pipe frame and is arranged in the support in a manner that the syringe mounting plate can slide up and down in the height direction, the syringe mounting assembly also comprises a liquid absorption control plate linked with the syringe mounting plate, and the liquid absorption control plate can slide up and down relative to the syringe mounting plate in the height direction; the power assembly comprises a liquid suction control screw motor which is fixedly arranged relative to the injector mounting plate and used for driving the liquid suction control plate to move and a lifting screw motor which is arranged on the bracket and used for driving the injector mounting assembly to move; the syringe, the syringe is the syringe of range at 1 to 20ml, and the syringe includes syringe overcoat and push rod, and the syringe overcoat sets up on the syringe mounting panel, and the push rod is connected with imbibition control panel.
Through the structural design, the injector is installed through the injector installation plate, the push rod of the injector is controlled to move through the liquid absorption control plate, the power assembly is further arranged, the overall action of the injector installation assembly and the independent action of the liquid absorption control plate can be controlled through the power assembly, the injector is further provided, and the injectors can be simultaneously installed on the injector installation plate. The invention can realize the simultaneous liquid suction operation of a plurality of syringes, and the syringe in the invention has a specific measuring range of 1-20 ml, and realizes the multichannel batch liquid suction operation of 1-20 ml liquid. The multichannel batch pipetting equipment suitable for 1-20 ml pipetting operation is suitable for 1-20 ml batch pipetting operation, and can solve the problems of low operation efficiency, long consumed time and the like of 1-20 ml pipetting operation after being put into use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a multi-channel batch pipetting device suitable for pipetting from 1 to 20ml according to an embodiment of the invention;
fig. 2 is a schematic structural view of a syringe mounting assembly in an embodiment of the present invention.
In fig. 1 and 2, the correspondence between the part names and the reference numerals is:
a bracket 1, a liquid pipe frame 2, an injector mounting plate 3, a liquid absorption control plate 4,
A liquid suction control screw motor 5, a lifting screw motor 6, an injector coat 7, a push rod 8, a pipe hole 9,
A long straight hole 10, a through hole 11, a mounting rack 12, a slide rail 13, a slide block 14, a connecting angle 15,
U-shaped frame 16, push rod bayonet 17 and fixing component 18.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For example, shown or described
Features that are part of one embodiment can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a multi-channel batch pipetting apparatus suitable for 1 to 20ml pipetting operation according to an embodiment of the present invention; fig. 2 is a schematic structural view of a syringe mounting assembly in an embodiment of the present invention.
The invention provides a multichannel batch pipetting device suitable for 1-20 ml pipetting operation.
The first component and the bracket 1.
The support 1 is a main body structure of the multichannel batch pipetting device, and in the invention, the support 1 is a cuboid frame which is vertically arranged. The support 1 comprises four vertically arranged support stand columns, cross rods are arranged between the adjacent support stand columns, and the adjacent support stand columns are fixedly connected through the cross rods.
In one embodiment of the present invention, as shown in fig. 1, the height dimension of the rack 1 is greater than the front width dimension of the rack 1, and the front width dimension of the rack 1 is greater than the side width dimension of the rack 1. An installation frame 12 is arranged at the top of the support 1 and at one side edge of the support 1, and the installation frame 12 comprises two parallel installation bars arranged at intervals. A lifting screw motor (which is one of the power components of the invention) is installed through the mounting bar, and the lifting screw motor 6 is adjustably arranged on the mounting frame 12 along the length direction of the mounting bar.
In order to ensure that the bracket 1 has high structural strength, the bracket 1 is a metal bracket, preferably a stainless steel bracket or an aluminum profile bracket. Specifically, the invention can select square steel, tubular aluminum section, angle steel or I-shaped steel and other materials as the support upright post, the cross rod and the mounting bar, and then the support upright post, the cross rod and the mounting bar are assembled by welding, bolt connection and other modes, thereby forming the metal support.
The foot pad can be arranged at the bottom of the stand column of the bracket, so that the levelness of the bracket 1 can be adjusted.
The second component and the liquid pipe frame 2.
The liquid pipe frame 2 is arranged at the bottom of the bracket 1 (positioned in the bracket 1), and the liquid pipe frame 2 is used for placing a liquid pipe.
Specifically, the liquid pipe frame 2 is a double-layer structure (having double-layer plates), and the liquid pipe frame 2 includes an upper plate and a lower plate, and the lower plate and the upper plate are arranged at intervals. Be provided with the round hole structure on the lower plate, the diameter of lower plate round hole structure is less than the diameter of liquid pipe, and the bottom of liquid pipe is the arcwall face, and the bottom of liquid pipe can just block in lower plate round hole structure. Be provided with the round hole structure on the upper plate, the diameter of upper plate round hole structure slightly is greater than the diameter of liquid pipe, and the bottom of liquid pipe can pass upper plate round hole structure card like this and structural at lower floor's board round hole, and the pipe shaft of liquid pipe can rely on or block in upper plate round hole structure simultaneously, and liquid pipe support 2 just can realize the vertical stable installation of liquid pipe through its bilayer structure design like this.
The liquid pipe frame 2 is provided with pipe holes 9 for clamping liquid pipes (the pipe holes 9 refer to an upper-layer plate circular hole structure and a lower-layer plate circular hole structure, the upper-layer plate circular hole structure and the lower-layer plate circular hole structure are arranged oppositely in the vertical direction), and the pipe holes 9 are arranged on the liquid pipe frame 2 in a rectangular matrix mode. One liquid tube rack 2 can mount a plurality of liquid tubes.
Specifically, the liquid tube holder 2 may be made of a metal material (e.g., a stainless material) or a polymer material (e.g., a PVC material).
Third part, syringe.
A syringe is a device for quantitatively drawing a liquid in a liquid tube, and at the same time, can transfer a certain amount of liquid through the syringe.
In the present invention, the syringe is a syringe having a range of 1 to 20 ml.
Specifically, the injector comprises an injector outer sleeve 7 and a push rod 8, the injector outer sleeve 7 is integrally of a circular tubular structure, one end of the injector outer sleeve 7 is used for mounting a needle, a curled edge is arranged at the outer part of the injector outer sleeve 7 at the other end of the injector outer sleeve, one end of the push rod 8 is arranged in the injector outer sleeve 7, a rubber piston is arranged at the end part of the push rod 8, and a push plate (a dragging handle) is arranged at the other end of the push rod 8. The injector coat 7 is arranged on the injector mounting plate 3 (the composition structure of the injector mounting component), and the push rod 8 is connected with the imbibition control plate 4 (the composition structure of the injector mounting component).
And the fourth part is a syringe mounting assembly.
The injector mounting assembly is used for mounting the injector and can realize the up-and-down movement of the whole injector and the push-and-pull of the push rod 8.
In the present invention, the injector mounting assembly includes an injector mounting plate 3, and the injector mounting plate 3 is a flat plate structure, and is preferably a rectangular flat plate in the present invention. In order to mount the injector on the injector mounting plate 3, the injector mounting plate 3 is provided with a long straight hole (or a long strip hole) 10, and the width of the long straight hole 10 is not less than the diameter of the injector outer sleeve 7 and less than the crimping width of the injector outer sleeve 7, so that the injector outer sleeve 7 can be clamped in the long straight hole 10. In order to improve the stability of clamping the injector outer sleeve 7 in the long straight hole 10, the invention can arrange the curling clamping grooves matched with the curling shape of the injector outer sleeve 7 on the two side edges of the long straight hole 10 along the length direction of the long straight hole 10, and the stability of installing the injector outer sleeve 7 can be improved and the installation of the injector outer sleeve 7 can be positioned through the curling clamping grooves.
In one embodiment of the present invention, the long straight holes 10 are provided corresponding to all the tube holes 9 in the same row, and a plurality of long straight holes 10 are provided and provided corresponding to the tube holes 9 in each row in the row direction.
In another embodiment of the present invention, the long straight holes 10 are provided corresponding to all the tube holes 9 in the same row, and a plurality of long straight holes 10 are provided corresponding to the tube holes 9 in each row in the row direction.
Of course, the invention can be arranged with a plurality of round hole structures (the diameter of the round hole structure is not less than the diameter of the injector outer sleeve 7 and less than the width of the turned edge) on the injector mounting plate 3, and the plurality of round hole structures arranged on the injector mounting plate 3 and the pipe hole 9 structures on the liquid pipe frame 2 are arranged in one-to-one correspondence in the vertical direction.
The syringe mounting panel 3 is the metal sheet, can improve the structural strength of syringe mounting panel 3 like this, reduces the probability that syringe mounting panel 3 takes place to warp. Meanwhile, the invention can also arrange a reinforcing rib on the bottom surface of the injector mounting plate 3 (the reinforcing rib is arranged to avoid the long straight hole 10) so as to further increase the structural strength of the injector mounting plate 3.
The syringe attachment plate 3 is provided above the liquid tube rack 2, and the syringe attachment plate 3 is provided in the holder 1 so as to be vertically slidable in the height direction.
The syringe installation component is still including the imbibition control panel 4 with the linkage of syringe mounting panel 3, and imbibition control panel 4 is the flat structure, and imbibition control panel 4 sets up in the top of syringe mounting panel 3 and with syringe mounting panel 3 parallel arrangement. The bottom surface of the liquid absorption control plate 4 is provided with a push rod bayonet 17 used for clamping the end part of the push rod 8, the push rod bayonet 17 is a metal component, the push rod bayonet 17 is fixedly arranged on the bottom surface of the liquid absorption control plate 4, the push rod bayonet 17 can clamp a push plate (a push-pull handle) at the end part of the push rod 8, and the push rod bayonet 17 is arranged in parallel with the long straight hole 10 and is correspondingly arranged in the vertical direction. The pipette control plate 4 can slide up and down with respect to the syringe mounting plate 3 in the height direction.
After pushing away the lower extreme with the push rod 8 of syringe, according to the interval adjustment syringe mounting panel 3 between turn-up and the push pedal (dragging handle) and the distance between imbibition control panel 4, then install syringe overcoat 7 on syringe mounting panel 3, in the installation with the push pedal card that sets up on the syringe push rod 8 to imbibition control panel 4, fixed syringe mounting panel 3 is motionless and promotes imbibition control panel 4, just can drive the action of syringe push rod 8 to accomplish imbibition.
The syringe mounting plate 3 is used for fixing the syringe, and any structure capable of fixing the syringe on the syringe mounting plate 3 can be applied to the present invention.
For example: the invention arranges a fixing part 18 for pressing the curling edge of the injector outer sleeve 7 on the upper side of the injector mounting plate 3, the fixing part 18 is of a plate type structure, and a through hole 11 (the through hole 11 can be a round hole structure or a long straight hole 10 structure) for the push rod 8 to pass through is arranged on the fixing part 18. The through holes 11 are arranged in vertical correspondence with the hole structure (long straight holes 10) on the syringe mounting plate 3.
The fifth part and the power assembly.
As can be seen from the above, the syringe mounting assembly in which the pipette control board 4 is movable up and down with respect to the syringe mounting plate 3 is movable up and down as a whole with respect to the stand 1, and therefore, the present invention requires at least two power units for driving the two up and down movements, respectively.
Specifically, the power assembly comprises a liquid suction control screw motor 5 which is fixedly arranged relative to the injector mounting plate 3 and is used for driving the liquid suction control plate 4 to move, and a lifting screw motor 6 which is arranged on the bracket 1 and is used for driving the injector mounting assembly to move.
The imbibition control lead screw motor 5 is fixedly arranged relative to the injector mounting plate 3, in order to realize the installation of the imbibition control lead screw motor 5, a U-shaped frame 16 is arranged on the injector mounting plate 3, the U-shaped frame 16 comprises an upright column and a cross beam, the upright column is provided with two columns which are respectively arranged at two ends of the cross beam, the upright column is arranged on the middle point of the wide edge of the injector mounting plate 3, an imbibition control plate 4 is positioned below the cross beam (the imbibition control plate 4 is positioned between the cross beam and the injector mounting plate 3), the imbibition control lead screw motor 5 is arranged (a flange structure is arranged on the imbibition control lead screw motor 5, and the imbibition control lead screw motor 5 is fixed on the cross beam by bolts through the flange structure) on the middle point position in the length direction of the cross beam.
In the present invention, the U-shaped frame 16 is a metal frame, and both ends (vertical columns) of the U-shaped frame 16 are fixedly disposed on the injector mounting plate 3 by bolts.
The liquid suction control screw motor 5 comprises a motor main body, a screw rod is connected with a motor shaft of the motor main body through a coupler, and the screw rod can rotate under the driving action of the motor main body. A second lifting slide block 14 is connected to the screw rod in a threaded manner, and the second lifting slide block 14 is fixedly arranged on the liquid absorption control plate 4. The screw rod can rotate by starting the liquid suction control screw rod motor 5, the rotary motion is converted into the linear lifting motion of the screw rod through the second lifting slide block 14, and the liquid suction control plate 4 is driven to move by the second lifting slide block 14.
In the invention, the thread pitch of the screw rod is a fixed value, the motor body adopts a stepping motor, and the torque of each step of the motor body is a fixed value, so that the lifting distance of the liquid suction control plate 4 is in place for a fixed value when the motor body rotates one step, further, the suction amount of the injector is a fixed value, and the rotating steps of the motor body are driven according to the suction amount.
The lifting screw motor 6 is a power device for realizing the movement of the whole injector mounting assembly (comprising the U-shaped frame 16 and the liquid suction control screw motor 5). The lifting screw motor 6 comprises a motor main body, a screw rod is connected with a motor shaft of the motor main body through a coupler, a first lifting slide block 14 is arranged on the screw rod, the motor main body drives the screw rod to rotate, and the first lifting slide block 14 can convert the rotary motion into the linear lifting motion of the first lifting slide block. The invention is characterized in that a connecting angle 15 is fixedly arranged on the injector mounting plate 3, the connecting angle 15 is an L-shaped metal component, a first lifting slide block 14 is fixedly arranged on the connecting angle 15, and the first lifting slide block 14 can realize the integral lifting movement of the injector mounting component through the connecting angle 15.
In the invention, the whole injector mounting component can do lifting motion in the bracket 1, in order to improve the stability of the whole motion of the injector mounting component, the bracket 1 is fixedly provided with a slide rail 13, the slide rail 13 is vertically provided with a slide groove, and the injector mounting plate 3 is fixedly provided with a slide block 14 which is in sliding fit with the slide groove. Further, the chute is arranged on the same side as the mounting frame 12.
The sliding rail 13 and the sliding block 14 form a sliding stabilizing assembly, and in the invention, two sets of sliding stabilizing assemblies are arranged and are respectively arranged at two sides of the syringe mounting assembly, so that the stability of the syringe mounting assembly relative to the bracket 1 during lifting movement can be greatly improved.
The screw motor used in the invention has the same structure as the screw motor in the prior art, and the specific structure is not repeated herein.
The invention provides a power assembly, which comprises a liquid suction control screw motor 5 and a lifting screw motor 6, and also provides a power control system for realizing the operation control of the two screw motors. Specifically, the power control system comprises a stepping motor driver of a lifting screw motor 6, a driver of a liquid suction control screw motor 5 and an electric wire. The motor driver is provided with a speed control knob for controlling the rotating speed (the rotating speed of the screw rod), the steering (the rotating direction of the screw rod) and the starting and stopping (the starting or stopping of the screw rod motor) of the screw rod motor.
In the present invention, the syringe mounting plate 3 is provided with a plurality of long straight holes 10 (eight), and 12 syringes can be mounted in each long straight hole 10, that is, one syringe mounting plate 3 can mount 12 × 8 syringes (preferably 20mL syringes). The fixing member 18 is provided on the upper side of the syringe attachment plate 3, and can fix the syringe (the curled edge of the syringe jacket 7) to the syringe attachment plate 3. The bottom of the imbibition control panel 4 is provided with a push-pull handle which can clamp the injector push rod 8 by a bayonet structure, and the pipetting is finished by pushing and pulling. The invention can effectively and conveniently replace the injector. The invention also has the advantage of simple structure, and can effectively reduce the weight of the liquid-transferring component. In addition, the lifting operation of the movable component is controlled by arranging the screw rod motor, the screw rod motor can change the speed, the pipetting speed can be conveniently adjusted, and different requirements of the use process on the flow rate of liquid are met.
The bayonet socket that sets up in imbibition control panel 4 bottom, its concrete structure is as follows: the bottom surface of the imbibition control panel is provided with a bayonet plate (the bayonet plate is fixedly arranged on the bottom surface of the imbibition control panel through a bolt), the bayonet plate is made of hard materials and comprises a long-strip-shaped main board (the main board is fixedly connected with the imbibition control panel through a bolt, the length direction of the bayonet plate (particularly the length direction of the main board) is arranged along the long sides of the two sides of the bayonet plate (the main board), the bayonet edge and the bottom surface of the imbibition control panel have a certain gap (the gap is consistent with the thickness of a push rod handle of the injector and is used for the clamping of the push rod handle) in an installation state, the bayonet plate is provided with a plurality of bayonet plates, the bayonet plates are sequentially arranged along the length direction vertical to the bayonet plates, in addition, a gap (the gap is slightly larger than the diameter of the push rod of the injector) is arranged between two adjacent bayonet plates, the bayonet plates, The two bayonet sides which are oppositely arranged are formed with push rod bayonets.
From the above, the present invention provides a multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations. In the present invention, the multi-channel bulk pipetting apparatus comprises: the liquid pipe rack comprises a support 1, wherein a liquid pipe rack 2 is arranged at the bottom of the support 1; the syringe mounting assembly comprises a syringe mounting plate 3, the syringe mounting plate 3 is arranged above the liquid pipe frame 2, the syringe mounting plate 3 is arranged in the support 1 in a vertically sliding manner in the height direction, the syringe mounting assembly also comprises a liquid absorption control plate 4 linked with the syringe mounting plate 3, and the liquid absorption control plate 4 can vertically slide relative to the syringe mounting plate 3 in the height direction; the power assembly comprises a liquid suction control screw motor 5 which is fixedly arranged relative to the injector mounting plate 3 and is used for driving the liquid suction control plate 4 to move and a lifting screw motor 6 which is arranged on the bracket 1 and is used for driving the injector mounting assembly to move; the syringe is a syringe with the range of 1 to 20 milliliters, the syringe comprises a syringe jacket 7 and a push rod 8, the syringe jacket 7 is arranged on the syringe mounting plate 3, and the push rod 8 is connected with the imbibing control plate 4.
Through the structural design, the injector is installed through the injector installation plate 3, the movement of the push rod 8 of the injector is controlled through the liquid absorption control plate 4, the power assembly is further arranged, the overall action of the injector installation assembly and the independent action of the liquid absorption control plate 4 can be controlled through the power assembly, the injector is further provided, and a plurality of injectors can be simultaneously installed on the injector installation plate 3. The invention can realize the simultaneous liquid suction operation of a plurality of syringes, and the syringe in the invention has a specific measuring range of 1-20 ml, and realizes the multichannel batch liquid suction operation of 1-20 ml liquid. The multichannel batch pipetting equipment suitable for 1-20 ml pipetting operation is suitable for 1-20 ml batch pipetting operation, and can solve the problems of low operation efficiency, long consumed time and the like of 1-20 ml pipetting operation after being put into use.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-channel bulk pipetting device suitable for 1 to 20ml pipetting operations comprising:
the device comprises a support (1), wherein a liquid pipe frame (2) is arranged at the bottom of the support;
the syringe mounting assembly comprises a syringe mounting plate (3), the syringe mounting plate is arranged above the liquid pipe frame, the syringe mounting plate is arranged in the support in a vertically sliding manner in the height direction, the syringe mounting assembly further comprises a liquid suction control plate (4) linked with the syringe mounting plate, and the liquid suction control plate can slide vertically relative to the syringe mounting plate in the height direction;
the power assembly comprises a liquid suction control screw motor (5) which is fixedly arranged relative to the injector mounting plate and used for driving the liquid suction control plate to move and a lifting screw motor (6) which is arranged on the bracket and used for driving the injector mounting assembly to move;
the syringe is a syringe with the range of 1-20 ml, and comprises a syringe jacket (7) and a push rod (8), wherein the syringe jacket is arranged on the syringe mounting plate, and the push rod is connected with the liquid absorption control plate.
2. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 1,
the liquid pipe frame is provided with a plurality of pipe holes (9) for clamping liquid pipes, and the pipe holes are arranged in a rectangular matrix;
the syringe mounting plate is provided with a long straight hole (10), and the width of the long straight hole is not less than the diameter of the syringe jacket and less than the width of a curled edge of the syringe jacket;
the injector passes through the injector mounting plate through the long straight hole and is clamped on the injector mounting plate through the curled edge of the injector outer sleeve.
3. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 2,
a fixing part (18) for pressing the curling edge of the injector outer sleeve is arranged on the upper side of the injector mounting plate, and a through hole (11) for the push rod to pass through is formed in the fixing part.
4. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 2,
the long straight holes are arranged corresponding to all the pipe holes in the same row, and a plurality of long straight holes are arranged in parallel and are arranged corresponding to the pipe holes in each row in the row direction;
or the long straight holes are arranged corresponding to all the pipe holes in the same row, and a plurality of long straight holes are arranged corresponding to the pipe holes in each row in the row direction.
5. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 2,
a mounting rack (12) is arranged at the top of the support and comprises two parallel mounting strips which are arranged at intervals;
and the position of the lifting screw rod motor is adjustably arranged on the mounting rack along the length direction of the mounting strip.
6. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 5,
a sliding rail (13) is fixedly arranged on the support, a sliding groove is vertically arranged on the sliding rail, and a sliding block (14) in sliding fit with the sliding groove is fixedly arranged on the injector mounting plate.
7. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 6,
the sliding groove and the mounting rack are arranged on the same side;
a connecting angle (15) is fixedly arranged on the injector mounting plate;
the lifting screw rod motor comprises a first lifting slide block, and the first lifting slide block is fixedly arranged on the connecting angle.
8. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 2,
a U-shaped frame (16) is arranged on the injector mounting plate, the U-shaped frame comprises two upright columns and a cross beam, the two upright columns are respectively arranged at two ends of the cross beam, and the upright columns are arranged on the middle point of the wide edge of the injector mounting plate;
the liquid suction control plate is arranged below the cross beam, and the liquid suction control screw rod motor is arranged at the midpoint position in the length direction of the cross beam;
the liquid suction control screw rod motor comprises a second lifting slide block, and the second lifting slide block is fixedly arranged on the liquid suction control plate.
9. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to any one of claims 2 to 8,
a push rod bayonet (17) for clamping the end part of the push rod is arranged on the bottom surface of the liquid suction control plate;
the push rod bayonet is arranged in parallel with the long straight hole and is correspondingly arranged in the vertical direction.
10. Multi-channel batch pipetting device suitable for 1 to 20ml pipetting operations according to claim 9,
a bayonet plate is arranged on the bottom surface of the liquid suction control plate;
the clamping opening plates are arranged in a plurality of rows along the length direction of the clamping opening plates and are arranged in sequence along the length direction perpendicular to the clamping opening plates;
the push rod bayonet is formed on the opposite bayonet edges of the two adjacent bayonet plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195157.9A CN114545012A (en) | 2022-02-28 | 2022-02-28 | Multichannel is moved liquid equipment in batches suitable for 1 to 20ml move liquid operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210195157.9A CN114545012A (en) | 2022-02-28 | 2022-02-28 | Multichannel is moved liquid equipment in batches suitable for 1 to 20ml move liquid operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114545012A true CN114545012A (en) | 2022-05-27 |
Family
ID=81661342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210195157.9A Pending CN114545012A (en) | 2022-02-28 | 2022-02-28 | Multichannel is moved liquid equipment in batches suitable for 1 to 20ml move liquid operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114545012A (en) |
-
2022
- 2022-02-28 CN CN202210195157.9A patent/CN114545012A/en active Pending
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