CN220878954U - Suction head placing device - Google Patents
Suction head placing device Download PDFInfo
- Publication number
- CN220878954U CN220878954U CN202322569865.7U CN202322569865U CN220878954U CN 220878954 U CN220878954 U CN 220878954U CN 202322569865 U CN202322569865 U CN 202322569865U CN 220878954 U CN220878954 U CN 220878954U
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- suction head
- head box
- clamping
- fixing
- base plate
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- 238000002474 experimental method Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a suction head placing device, which relates to a suction head placing device of a liquid-transfering gun, and is used for being fixedly arranged on an experiment table, and comprises: the suction head box and the suction head box fixing piece are provided with bulges on the side wall of the suction head box; the suction head box fixing piece comprises a clamping component, a supporting seat and a fixing base plate, wherein the supporting seat and the fixing base plate are vertically arranged, one end of the clamping component is fixed on the experiment table, the other end of the clamping component clamps the bulge, and the clamping component is used for longitudinally limiting the suction head box; the supporting seat is vertically arranged on the experiment table; the fixed substrate is provided with a bump for transversely limiting the suction head box. Carry out vertical spacing to the suction head box through the clamping component, carry out horizontal spacing to the suction head box through the lug on the fixed baseplate, solved the pipette and pushed down the in-process of sucking the suction head, the suction head is inseparabler with the suction head box contact, leads to the pipette to adsorb the suction head after, even carry the condition that the suction head box was taken up together when upwards moving the suction head.
Description
Technical Field
The utility model relates to a pipette tip placement device, in particular to a pipette tip placement device.
Background
In the laboratory, a pipette is a common tool, with a tip on the pipette being used to transfer a volume of liquid from one container to another; the suction head on the pipette needs to be replaced for a plurality of times in the experimental process, so a suction head box is arranged on the experiment table, and a plurality of suction heads are stored in the suction head box in advance so as to be replaced when needed; in order to avoid sliding or shaking of the pipette when sucking the suction head, the suction head is tightly clamped in the suction head box, however, after the suction head is tightly clamped with the suction head box, the suction head is tightly contacted with the suction head box in the process of pressing down the suction head of the pipette, so that the pipette is adsorbed together with the suction head box.
Disclosure of utility model
The utility model aims to provide a suction head placement device, which aims to solve the technical problem that in the process of pressing down and sucking a suction head by a liquid-transfering gun, the suction head is more tightly connected with a suction head box, so that the suction head box is carried up together when the suction head box is moved upwards after the suction head is adsorbed by the liquid-transfering gun.
The utility model is realized by the following technical scheme:
Suction head placer for fixed setting is on the laboratory bench, include: a suction head box and a suction head box fixing piece,
The side wall of the suction head box is provided with a bulge;
The suction head box fixing piece comprises a clamping assembly, one end of the clamping assembly is fixed on the experiment table, the other end of the clamping assembly clamps the protrusion, and the clamping assembly is used for longitudinally limiting the suction head box.
The clamping assembly is used for longitudinally limiting the suction head box, so that the problem that the suction head box is carried up together when the suction head box is connected when the suction head box is moved upwards after the suction head box is connected with the suction head box more tightly when the suction head box is pressed down by the liquid-transfering gun is solved.
Further, the suction head box fixing piece further comprises a supporting seat and a fixing base plate which are vertically arranged, one end of the supporting seat is vertically connected to the experiment table, and the other end of the supporting seat is fixedly connected with the lower surface of the fixing base plate;
the fixing base plate is provided with a bump for transversely limiting the suction head box.
Above-mentioned supporting seat is used for being fixed in the laboratory bench with fixed base plate, avoids fixed base plate to take place to remove under the circumstances that receives external force, is provided with the arch on the above-mentioned fixed base plate, and this lug is used for transversely spacing to the suction head box, when avoiding the pipette to push down the absorption suction head, and resultant force is in radial direction, leads to the suction head box to take place radial movement, leads to the connection failure of pipette and suction head, influences the normal clear of follow-up experiment.
Further, the clamping assembly comprises a fixing part, a driving part, two clamping parts and two connecting parts;
One end of the fixing part is fixedly connected with the experiment table, and the other end of the fixing part is close to the lower surface of the fixing substrate;
The fixed end of the driving part is fixedly connected with the fixed part, the movable end of the driving part is rotationally connected with one ends of the two connecting parts, and the movable end of the driving part is used for moving up and down along the direction vertical to the experiment table to adjust the included angle between the two connecting parts;
The other end of the connecting part is fixedly connected with the clamping part, and the included angle between the clamping part and the connecting part is an obtuse angle;
The connecting part of the clamping part and the connecting part is rotationally connected with the fixing part through a rotating shaft, and the clamping part is used for clamping the protrusion.
When the driving part moves upwards, the included angle between the two connecting parts is increased, and the clamping part is fixedly connected with the connecting parts, and the connecting parts of the clamping part and the connecting parts are rotationally connected with the fixing parts through the rotating shafts, so that when the included angle between the two connecting parts is increased, the connecting parts drive the clamping parts connected with the connecting parts to be far away from the other clamping parts, and the clamping assembly is in an unclamped state;
When the driving part moves downwards, the included angle between the two connecting parts is reduced, and the connecting part drives the clamping part connected with the connecting part to be close to the other clamping part, so that the clamping assembly is in a clamping state.
Further, the clamping part comprises a clamping rod and an abutting block, and the clamping rod is vertically arranged with the abutting block;
the clamping rod is fixedly connected with the connecting part, and the abutting block abuts against the upper surface of the protrusion.
After the abutting block abuts against the upper surface of the bulge, when the suction head box is subjected to upward pulling force, the problem that the suction head box is lifted is solved through the longitudinal limiting function of the abutting block and the bulge.
Further, a groove is formed in the side wall of the fixed substrate, and the groove is used for accommodating the clamping rod.
Above-mentioned clamping lever rotates around the pivot, because of the suction head box is placed in fixed base plate's upper surface, and the arch of suction head box is in fixed base plate's lug, when the clamping lever rotated to the lateral wall of perpendicular to fixed base plate, the butt piece is connected with the arch, for avoiding fixed base plate's lateral wall and lug to influence butt piece and bellied butt, sets up the recess that is used for holding the clamping lever at fixed base plate's lateral wall, makes butt piece and protruding connection inseparabler.
Further, a sidewall of the bump is inclined toward the central axis of the fixing base.
The bump surface which is obliquely arranged towards the central axis of the fixed base is used for guiding the placement of the suction head box, so that the suction head box is placed conveniently.
Further, the protrusions are arranged around the side wall of the suction head box in a circle.
The round of protruding that sets up has increased the adaptation interval that sets up bellied position and clamping assembly, is convenient for realize centre gripping and installation suction head box.
Further, the lower surface of the protrusion is in the same plane with the lower surface of the suction head box.
The protrusions on the suction head box are matched with the protrusions on the fixed substrate, so that the suction head box is just clamped in the protrusions, and the stability of transverse limiting is guaranteed.
Further, the bump is disposed on the upper surface of the fixed substrate;
A plurality of the convex blocks are arranged, and gaps are reserved between the adjacent convex blocks.
The gap is used for observing whether the suction head box is stably placed or not, and the longitudinal limiting stability is ensured.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
Above-mentioned supporting seat is used for being fixed in the laboratory bench with fixed base plate, avoids fixed base plate to take place to remove under the circumstances that receives external force, is provided with the arch on the above-mentioned fixed base plate, and this lug is used for transversely spacing to the suction head box, when avoiding the pipette to push down the absorption suction head, and resultant force is in radial direction, leads to the suction head box to take place radial movement, leads to the connection failure of pipette and suction head, influences the normal clear of follow-up experiment.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic top view of a tip placement device with a tip placed thereon;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of a bottom view of a tip placement device with a tip placed thereon;
FIG. 4 is a schematic view of the structure of the tip cassette holder;
FIG. 5 is an enlarged view of part of B in FIG. 4;
FIG. 6 is a schematic view of the internal structure of the clamping assembly;
Fig. 7 is a schematic structural view of the clamping assembly without the fixing portion.
In the drawings, the reference numerals and corresponding part names:
10. a suction head box; 11. a protrusion; 20. a support base; 30. fixing the substrate; 31. a bump; 32. a groove; 40. a clamping assembly; 41. a fixing part; 42. a driving section; 43. a connection part; 44. a clamping part; 45. a clamping rod; 46. an abutment block; 50. a suction head box fixing piece; 60. an experiment table.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1
Referring to fig. 1 to 5, embodiment 1 provides a tip placement device for being fixedly disposed on a laboratory bench 60, comprising: a tip box 10 and a tip box fixing member 50, wherein a protrusion 11 is provided on a side wall of the tip box 10; the suction head box fixing member 50 includes a clamping assembly 40, a supporting seat 20 and a fixing base 30 perpendicular to each other, wherein one end of the clamping assembly 40 is fixed on the experiment table 60, the other end clamps the protrusion 11, and the clamping assembly 40 is used for longitudinally limiting the suction head box 10; one end of the supporting seat 20 is vertically connected to the experiment table 60, and the other end of the supporting seat 20 is fixedly connected with the lower surface of the fixed substrate 30; the fixing base plate 30 is provided with a projection 31 for laterally limiting the tip box 10.
The clamping assembly 40 is used for longitudinally limiting the suction head box 10, so that the problem that the suction head box 10 is lifted together when the suction head box 10 is moved upwards after the suction head is adsorbed by the pipette due to the fact that the suction head is connected with the suction head box 10 more tightly in the process of pressing down and sucking the suction head by the pipette is solved.
Above-mentioned supporting seat 20 is used for being fixed in fixed base plate 30 on laboratory bench 60, avoids fixed base plate 30 to take place to remove under the condition of receiving external force, is provided with protruding 11 on the above-mentioned fixed base plate 30, and this lug 31 is used for transversely spacing to suction head box 10, avoids the pipette to push down when adsorbing the suction head, and resultant force is in radial direction, leads to suction head box 10 to take place radial movement, leads to the connection failure of pipette and suction head, influences the normal clear of follow-up experiment.
Example 2
On the basis of embodiment 1, referring to fig. 6 and 7, the above-mentioned clamping assembly 40 includes a fixing portion 41, a driving portion 42, two clamping portions 44 and two connecting portions 43,
One end of the fixing portion 41 is fixedly connected to the experiment table 60, and the other end of the fixing portion 41 is close to the lower surface of the fixing substrate 30;
The fixed end of the driving part 42 is fixedly connected with the fixed part 41, the movable end of the driving part 42 is rotatably connected with one ends of the two connecting parts 43, the movable end of the driving part 42 is used for moving up and down along the direction vertical to the experiment table 60, the included angle between the two connecting parts 43 is adjusted, and the driving part 42 can adopt any one of a hydraulic cylinder, a motor or an air cylinder to drive the telescopic rod to stretch and retract so as to realize the up and down movement of the driving part 42;
The other end of the connecting part 43 is fixedly connected with the clamping part 44, and the included angle between the clamping part 44 and the connecting part 43 is an obtuse angle;
The connection between the clamping portion 44 and the connection portion 43 is rotatably connected to the fixing portion 41 by a rotation shaft, which may be a bolt, a pin, or the like, the fixing portion 41 and the clamping portion 44 are connected by welding or integrally molding, and the clamping portion 44 is used for clamping the protrusion 11.
When the driving part 42 moves upwards, the included angle between the two connecting parts 43 is increased, and the clamping part 44 is fixedly connected with the connecting parts 43, and the connecting part between the clamping part 44 and the connecting part 43 is rotationally connected with the fixing part 41 through the rotating shaft, so that when the included angle between the two connecting parts 43 is increased, the connecting part 43 drives the clamping part 44 connected with the connecting part to be far away from the other clamping part 44, and the clamping assembly 40 is in an unclamped state;
When the driving portion 42 moves downward, the included angle between the two connecting portions 43 is reduced, and the connecting portion 43 drives the clamping portion 44 connected thereto to approach the other clamping portion 44, so that the clamping assembly 40 is in a clamped state.
Example 3
In the embodiment 2, the clamping portion 44 includes a clamping rod 45 and an abutment block 46, and the clamping rod 45 is disposed perpendicular to the abutment block 46; the clamping lever 45 is fixedly connected to the connecting portion 43, and the abutment block 46 abuts against the upper surface of the boss 11.
When the suction head box 10 is pulled upward after the abutment block 46 abuts against the upper surface of the boss 11, the problem of lifting of the suction head box 10 is solved by the longitudinal limit action of the abutment block 46 and the boss 11.
Example 4
On the basis of embodiment 3, the side wall of the fixed base plate 30 is provided with a groove 32, and when the height from the protrusion 11 to the bottom surface of the tip box 10 is greater than the height from the protrusion 31 to the top surface of the fixed base plate 30, the groove 32 is used for accommodating the clamping rod 45;
The groove 32 is used for accommodating the clamping rod 45 and the abutting block 46 when the height from the protrusion 11 to the bottom surface of the tip box 10 is equal to the height from the protrusion 31 to the top surface of the fixed base plate 30.
The clamping rod 45 rotates around the rotating shaft, because the suction head box 10 is placed on the upper surface of the fixed substrate 30, and the protrusion 11 of the suction head box 10 is located in the protrusion 31 of the fixed substrate 30, when the clamping rod 45 rotates to be perpendicular to the side wall of the fixed substrate 30, the abutting block 46 is connected with the protrusion 11, so as to avoid the side wall of the fixed substrate 30 and the protrusion 31 from affecting the abutting of the abutting block 46 and the protrusion 11, and the side wall of the fixed substrate 30 is provided with the groove 32 for accommodating the clamping rod 45, so that the abutting block 46 is more tightly connected with the protrusion 11.
In a specific embodiment, a sidewall of the bump 31 is inclined toward the central axis of the fixing base.
The surface of the protruding block 31 which is obliquely arranged to the central axis of the fixed base is used for guiding the placement of the suction head box 10, so that the suction head box 10 is convenient to place.
In a specific embodiment, the protrusions 11 are arranged in a circle around the side wall of the tip box 10.
The round of protrusions 11 increases the fit interval between the positions of the protrusions 11 and the clamping assembly 40, so that the suction head box 10 can be clamped and installed conveniently.
In a specific embodiment, the lower surface of the protrusion 11 is flush with the lower surface of the tip box 10.
The protrusion 11 on the suction head box 10 is matched with the protrusion 31 on the fixed substrate 30, so that the suction head box 10 is just clamped in the protrusion 31, and the stability of transverse limit is ensured.
In a specific embodiment, the bump 31 is disposed on the upper surface of the fixed substrate 30;
a plurality of the above-mentioned bumps 31 are provided, and gaps are left between adjacent bumps 31.
The gap is used for observing whether the suction head box 10 is stably placed or not, and the longitudinal limiting stability is ensured.
The using process of the suction head placing device comprises the following steps:
The suction head box 10 is placed on the suction head box fixing piece 50, the protrusion 11 of the suction head box 10 is clamped with the protruding block 31 on the fixing base plate 30 to realize transverse limit, the driving part 42 is pushed to move downwards through the motor, the hydraulic cylinder or the air cylinder, the included angle between the two connecting parts 43 is reduced, the two clamping parts 44 are closed until the abutting block 46 abuts against the upper surface of the protrusion 11 to realize longitudinal limit, the suction head is placed in the suction head box 10, and the suction head is sucked from the suction head box 10 by the pipette gun.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. The suction head placer for fixedly set up on laboratory bench (60), its characterized in that includes: a suction head box (10) and a suction head box fixing piece (50),
The side wall of the suction head box (10) is provided with a bulge (11);
The suction head box fixing piece (50) comprises a clamping assembly (40), one end of the clamping assembly (40) is fixed on the experiment table (60), the other end of the clamping assembly clamps the protrusion (11), and the clamping assembly (40) is used for longitudinally limiting the suction head box (10).
2. The suction head placement device according to claim 1, wherein the suction head box fixing member (50) further comprises a supporting seat (20) and a fixing base plate (30) which are vertically arranged, one end of the supporting seat (20) is vertically connected to the experiment table (60), and the other end of the supporting seat (20) is fixedly connected with the lower surface of the fixing base plate (30);
The fixed base plate (30) is provided with a bump (31) for transversely limiting the suction head box (10).
3. The tip placement device according to claim 1 or 2, characterized in that the clamping assembly (40) comprises a fixing part (41), a driving part (42), two clamping parts (44) and two connecting parts (43);
One end of the fixing part (41) is used for being fixedly connected with the experiment table (60), and the other end of the fixing part (41) is close to the lower surface of the fixing substrate (30);
The fixed end of the driving part (42) is fixedly connected with the fixed part (41), the movable end of the driving part (42) is rotationally connected with one ends of the two connecting parts (43), and the movable end of the driving part (42) is used for moving up and down along the direction vertical to the experiment table (60) to adjust the included angle between the two connecting parts (43);
The other end of the connecting part (43) is fixedly connected with the clamping part (44), and the included angle between the clamping part (44) and the connecting part (43) is an obtuse angle;
The connecting part of the clamping part (44) and the connecting part (43) is rotationally connected with the fixing part (41) through a rotating shaft, and the clamping part (44) is used for clamping the bulge (11).
4. A suction head placement device according to claim 3, characterized in that the clamping part (44) comprises a clamping rod (45) and an abutment block (46), the clamping rod (45) being arranged perpendicular to the abutment block (46);
The clamping rod (45) is fixedly connected with the connecting part (43), and the abutting block (46) abuts against the upper surface of the protrusion (11).
5. Suction head placement device according to claim 4, characterized in that the side wall of the stationary base plate (30) is provided with a recess (32), which recess (32) is intended to accommodate a clamping rod (45).
6. A tip placement device according to claim 2, characterized in that a side wall of the projection (31) is inclined towards the central axis of the stationary base.
7. A tip placement device according to claim 1, characterized in that the protrusions (11) are arranged in a circle around the side wall of the tip box (10).
8. A tip placement device according to claim 1, characterized in that the lower surface of the protrusion (11) is in the same plane as the lower surface of the tip cassette (10).
9. The suction head placement device according to claim 2, wherein the bump (31) is provided on an upper surface of the fixed substrate (30);
A plurality of the convex blocks (31) are arranged, and gaps are reserved between the adjacent convex blocks (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322569865.7U CN220878954U (en) | 2023-09-21 | 2023-09-21 | Suction head placing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322569865.7U CN220878954U (en) | 2023-09-21 | 2023-09-21 | Suction head placing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220878954U true CN220878954U (en) | 2024-05-03 |
Family
ID=90875441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322569865.7U Active CN220878954U (en) | 2023-09-21 | 2023-09-21 | Suction head placing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220878954U (en) |
-
2023
- 2023-09-21 CN CN202322569865.7U patent/CN220878954U/en active Active
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