Stacked pipetting tip device

Abstract

The utility model belongs to the technical field of pipette tips, and particularly relates to a stacked pipette tip device which comprises a first wide plate, a second wide plate, a first narrow plate, a second narrow plate and a clamping plate, the first wide plate, the second wide plate, the first narrow plate, the second narrow plate and the clamping plate are all made of plastic materials, one side of the clamping plate is fixedly connected with the second wide plate, one side of the second wide plate is fixedly connected with the second narrow plate, and the first narrow plate is fixedly connected with the second narrow plate. One side of the second narrow plate is fixedly connected with a first wide plate, one side of the first wide plate is fixedly connected with a first narrow plate, the clamping blocks are clamped into the clamping grooves, installation of the first wide plate, the second wide plate, the first narrow plate, the second narrow plate and the clamping plates is completed, a pipetting suction head above the base is protected, meanwhile, carrying is convenient, and the situation that the pipetting suction head is scattered is avoided; the expandable protective shell body enables storage to be more convenient and easier to stack, meanwhile, a pipetting suction head box is omitted and replaced by the base, and a plastic plate is integrally formed in a punching mode, so that the production cost is greatly reduced, and then economic benefits are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid transfer tips, in particular to a stacked liquid transfer tip device. Background Art

[0002] The pipette tip, also known as the gun tip or pipette nozzle, is a disposable consumable and is mostly used in molecular biology and genetic research. It effectively forms a protective structure between the pipette and the sample to ensure the safety of sample aspiration and sample separation. It is generally made of natural polypropylene.

[0003] The patent with application number CN202321775614.8 discloses a simple push-type stacking pipette tip device, including a shell and a pipette tip box, the shell is a hollow cuboid, the top outer surface of the shell is movably provided with a top cover, the bottom outer surface of the shell is provided with a support body, the shell is provided with a plurality of thin-sheet middle plates, a plurality of pipette tips are movably inserted inside the plurality of thin-sheet middle plates, the inner wall of the shell is provided with a plurality of buckle points, and the outer surface of the shell is provided with a plurality of reinforcing grooves and oblique grooves. The simple push-type stacking pipette tip device reduces the space occupancy rate and the amount of packaging materials used for the same number of products through the push-type stacking pipette tips, which not only saves transportation space but also greatly reduces the waste of packaging materials, and greatly reduces the transportation cost and the pollution of packaging materials to the environment.

[0004] The stacked pipette nozzle shell in the prior art is a hollow cuboid, which is an integrated rectangular structure. Therefore, when in use, the stacked pipette nozzles are not convenient to be placed in the shell for protection, and the pipette tip device needs to be used in conjunction with a pipette tip box, which greatly increases the cost of use. Therefore, a stacked pipette tip device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the stacked pipette nozzle shell in the prior art is a hollow cuboid, which is an integrated rectangular structure. Therefore, when in use, the stacked pipette nozzle is not convenient to be placed in the shell for protection, and the pipette tip device needs to be used in conjunction with a pipette tip box, which greatly increases the cost of use. The utility model proposes a stacked pipette tip device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a stacked liquid transfer tip device described in the utility model comprises a wide plate one, a wide plate two, a narrow plate one, a narrow plate two and a card plate, wherein the wide plate one, the wide plate two, the narrow plate one, the narrow plate two and the card plate are all made of plastic, one side of the card plate is fixedly connected with the wide plate two, one side of the wide plate two is fixedly connected with the narrow plate two, one side of the narrow plate two is fixedly connected with the wide plate one, one side of the wide plate one is fixedly connected with the narrow plate one, the wide plate one, the wide plate two, the narrow plate one, the narrow plate two and the card plate together form a protective shell with a rectangular cross-section, a card slot is stamped out on the surface of the card plate, a card block is stamped out on the surface of the narrow plate one, and a base and a cover plate are movably connected in the protective shell formed by the wide plate one, the wide plate two, the narrow plate one, the narrow plate two and the card plate. The pipette nozzle is placed on the surface of the thin plate, and then the pick with the pipette nozzle is stacked on the base at one time, and then the wide plate one, wide plate two, narrow plate one, narrow plate two and the card plate are wound around the base, so that the wide plate one and the wide plate two are parallel to each other, and the narrow plate one and the narrow plate two are parallel. At this time, the excess card plate is bent in the direction close to the narrow plate one, and the card block is inserted into the card slot to complete the installation of the wide plate one, the wide plate two, the narrow plate one, the narrow plate two and the card plate, so as to protect the pipette tip above the base and facilitate transportation without scattering. The expandable protective shell makes it more convenient to store and easier to stack. At the same time, the pipette tip box is cancelled and replaced by a base, and the production cost is greatly reduced by stamping the plastic plate as a whole, thereby improving the economic benefit.

[0007] Preferably, short protrusions are stamped on the surfaces of narrow plate 2 and narrow plate 1, long protrusions are provided on the surfaces of wide plate 1 and wide plate 2, and each of the long protrusions and the short protrusions are provided with a bevel on one side close to each other. After wide plate 1, wide plate 2, narrow plate 1, narrow plate 2 and the card plate are installed around to form a protective shell, the bevel angles between the long protrusions and the short protrusions will be close to each other. When the protective shell is squeezed, the bevel angles will contact each other, further improving the stability of the shell formed by wide plate 1, wide plate 2, narrow plate 1, narrow plate 2 and the card plate.

[0008] Preferably, the inner wall of the card slot is stamped into a safety slot, the outer wall of the card block is stamped into a safety block, and the wide plate one, wide plate two, narrow plate one, narrow plate two and one side of the card plate are all stamped into limit strips. After the card block is inserted into the card slot, the safety block on the surface of the card block will be inserted into the safety slot, further improving the connection effect between the card block and the card slot, and ensuring the stability of the connection between the card plate and narrow plate one.

[0009] Preferably, the surfaces of the wide board 1, wide board 2, narrow board 1, narrow board 2 and the cardboard that contact each other are all provided with pressing grooves. The pressing grooves between the wide board 1, wide board 2, narrow board 1, narrow board 2 and the cardboard make it more convenient for workers to fold them quickly, thereby improving the efficiency of assembly.

[0010] Preferably, the surfaces of the wide plate one, wide plate two, narrow plate one, narrow plate two and the card plate are all stamped with grooves, and the stamping protrusion direction of the grooves is opposite to the protrusion direction of the short bumps and the long bumps, and the grooves are "V"-shaped. The "V"-shaped grooves can increase the extrusion pressure on the wide plate one, wide plate two, narrow plate one, narrow plate two and the card plate, thereby avoiding collisions during transportation or movement, which may cause damage to the inner wall of the pipette tip.

[0011] Preferably, the surface of the narrow plate 1 is stamped with an auxiliary groove, and the oblique angles of the long protrusion and the short protrusion surfaces are both less than 45°. The auxiliary groove can prevent the narrow plate from being deformed when the card plate and the narrow plate 1 are disassembled, which makes it difficult for the card slot to detach from the card block. The short protrusion and the long protrusion designed to be less than 45° can prevent the sum of the two angles from being greater than 90°, thereby avoiding extrusion and deformation after the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2 and the card plate are assembled, resulting in a decrease in compressive resistance.

[0012] Preferably, a skirt is fixedly connected to the surface of the cover plate, and the maximum circumference of the outer circumference of the skirt is smaller than the inner circumference of the protective shell formed by wide plate one, wide plate two, narrow plate one, narrow plate two and the card plate. Reinforcing ribs are fixedly connected to the surface of the cover plate. The skirt on the surface of the cover plate can cover the pipette tip for protection while being restricted above the thin plate to facilitate the staff to take and place it. At the same time, the reinforcing ribs can prevent the top surface of the cover plate from being deformed when the cover plate is pressed, thereby avoiding squeezing the internal pipette tip and causing damage to it.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model protects the pipette tip above the base by installing the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2 and the card plate, and is also convenient for carrying without scattering. The expandable protective shell makes it more convenient to store and easier to stack. At the same time, the pipette tip box is cancelled and replaced by the base. The plastic plate is stamped and formed in one piece, which greatly reduces the production cost and improves the economic benefits.

[0015] 2. The utility model can prevent the narrow plate from being deformed when the card plate and the narrow plate 1 are disassembled through the auxiliary groove, which makes it difficult for the card slot to be separated from the card block. The short protrusion and the long protrusion designed at less than 45° can prevent the sum of the two angles from being greater than 90°, and avoid the situation where the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2 and the card plate are squeezed after the assembly is completed, resulting in deformation and reduced pressure resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a schematic structural diagram of a wide plate 1 of the first embodiment;

[0018] Figure 2 For Example 1 Figure 1 Schematic diagram of the structure at A in the middle;

[0019] Figure 3 This is a schematic diagram of the unfolded structure of the card board of the first embodiment;

[0020] Figure 4 For Example 1 Figure 3 Schematic diagram of the structure at B in the middle;

[0021] Figure 5 This is a schematic diagram of the structure of the reinforcing rib of the second embodiment.

[0022] In the figure: 1. wide plate one; 2. groove; 3. auxiliary groove; 4. base; 5. slot; 6. safety slot; 7. clamping plate; 8. narrow plate one; 9. cover plate; 10. limit strip; 11. clamping block; 110. safety block; 12. narrow plate two; 13. wide plate two; 14. short protrusion; 15. pressing groove; 16. long protrusion; 17. reinforcing rib; 18. skirt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-4As shown, a stacked liquid transfer tip device comprises a wide plate 1, a wide plate 2 13, a narrow plate 1 8, a narrow plate 2 12 and a card plate 7, wherein the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 are all made of plastic, one side of the card plate 7 is fixedly connected with the wide plate 2 13, one side of the wide plate 2 13 is fixedly connected with the narrow plate 2 12, one side of the narrow plate 2 12 is fixedly connected with the wide plate 1, and one side of the wide plate 1 is fixedly connected with the narrow plate 1 8, the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 together form a protective shell with a rectangular cross section, a card slot 5 is stamped on the surface of the card plate 7, a card block 11 is stamped on the surface of the narrow plate 8, and a base 4 and a cover plate 9 are movably connected in the protective shell formed by the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7;

[0026] When working, place the pipette nozzle on the surface of the thin plate, then stack the pick with the pipette nozzle on the base 4 at one time, and then wind the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 around the base 4, so that the wide plate 1 and the wide plate 2 13 are parallel to each other, and the narrow plate 1 8 is parallel to the narrow plate 2 12. At this time, bend the excess card plate 7 in the direction close to the narrow plate 1 8, and insert the card block 11 into the card slot 5 to complete the installation of the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7, so as to protect the pipette tip above the base 4, and at the same time facilitate transportation without scattering. The expandable protective shell makes it more convenient to store and easier to stack. At the same time, the pipette tip box is cancelled and replaced by the base 4, and the production cost is greatly reduced by stamping the plastic plate as a whole, thereby improving the economic benefit.

[0027] The surfaces of the narrow plate 2 12 and the narrow plate 1 8 are both stamped with short protrusions 14, and the surfaces of the wide plate 1 and the wide plate 2 13 are both provided with long protrusions 16, and each of the long protrusions 16 and the short protrusions 14 are provided with an oblique angle on one side where they are close to each other; during operation, after the wide plate 1 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 are installed around to form a protective shell, the oblique angles between the long protrusions 16 and the short protrusions 14 will be close to each other, and when the protective shell is squeezed, the oblique angles will contact each other, further improving the stability of the shell formed by the wide plate 1 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7.

[0028] The inner wall of the card slot 5 is stamped with a safety groove 6, the outer wall of the card block 11 is stamped with a safety block 110, and the wide plate 1, wide plate 2 13, narrow plate 1 8, narrow plate 2 12 and one side of the card plate 7 are all stamped with a limit strip 10; when working, after the card block 11 is inserted into the card slot 5, the safety block 110 on the surface of the card block 11 will be inserted into the safety groove 6, further improving the connection effect between the card block 11 and the card slot 5, and ensuring the stability of the connection between the card plate 7 and the narrow plate 1 8.

[0029] The surfaces of the wide board 1, the wide board 2 13, the narrow board 1 8, the narrow board 2 12 and the card board 7 that contact each other are all provided with pressing grooves 15; when working, the wide board 1, the wide board 2 13, the narrow board 1 8, the narrow board 2 12 and the card board 7 can make it more convenient for workers to fold them quickly, thereby improving the efficiency of assembly.

[0030] The surfaces of the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 are all stamped with a groove 2, and the stamping protrusion direction of the groove 2 is opposite to the protrusion direction of the short protrusion 14 and the long protrusion 16, and the groove 2 is "V"-shaped; when working, the "V"-shaped groove 2 can increase the extrusion pressure borne by the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7, thereby avoiding collision during transportation or movement, which may cause damage to the inner wall of the pipette tip.

[0031] The auxiliary groove 3 is stamped on the surface of the narrow plate 8, and the oblique angles of the long protrusion 16 and the short protrusion 14 are both less than 45°; during operation, the auxiliary groove 3 can be used to prevent the narrow plate from being deformed when the card plate 7 and the narrow plate 8 are disassembled, which makes it difficult for the card slot 5 to separate from the card block 11. The short protrusion 14 and the long protrusion 16 designed to be less than 45° can prevent the sum of the two angles from being greater than 90°, and avoid extrusion and deformation after the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 are assembled, resulting in a decrease in the pressure resistance.

[0032] Embodiment 2

[0033] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, a skirt 18 is fixedly connected to the surface of the cover plate 9, and the maximum circumference of the outer periphery of the skirt 18 is smaller than the inner circumference of the protective shell composed of wide plate 1, wide plate 2 13, narrow plate 1 8, narrow plate 2 12 and the card plate 7, and a reinforcing rib 17 is fixedly connected to the surface of the cover plate 9; when working, the skirt 18 on the surface of the cover plate 9 can make the cover plate 9 cover the pipette tip for protection while being restricted above the thin plate to facilitate the staff to take and place, and at the same time, the reinforcing rib 17 can prevent the top surface of the cover plate 9 from being deformed when the cover plate 9 is pressed, thereby avoiding squeezing the internal pipette tip and causing damage to it.

[0034] Working principle: place the pipette nozzle on the surface of the thin plate, then stack the pick with the pipette nozzle on the base 4 at one time, and then wind the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 around the base 4, so that the wide plate 1 and the wide plate 2 13 are parallel to each other, and the narrow plate 1 8 and the narrow plate 2 12 are parallel. At this time, bend the excess card plate 7 in the direction close to the narrow plate 1 8, and insert the card block 11 into the card slot 5 to complete the installation of the wide plate 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7, so as to protect the pipette tip above the base 4, and at the same time facilitate transportation without scattering. The expandable protective shell makes it more convenient to store and easier to stack. At the same time, the pipette tip box is cancelled and replaced by the base 4, and the production cost is greatly reduced by integrally stamping the plastic plate, thereby improving the economic benefit.

[0035] After the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 1, the narrow plate 2, the card plate 7 are installed around to form a protective shell, the bevel angles between the long protrusion 16 and the short protrusion 14 will be close to each other. When the protective shell is squeezed, the bevel angles will contact each other, further improving the stability of the shell surrounded by the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2, the narrow plate 1, the narrow plate 12 and the card plate 7. After the card block 11 is inserted into the card slot 5, the safety block 110 on the surface of the card block 11 will be inserted into the safety slot 6, further improving the connection effect between the card block 11 and the card slot 5, and ensuring the stability of the connection between the card plate 7 and the narrow plate 18;

[0036] The pressing groove 15 between the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2, and the card plate 7 makes it easier for workers to fold them quickly, thereby improving the efficiency of assembly. The "V"-shaped pressing groove 2 can increase the squeezing force on the wide plate 1, the wide plate 2, the narrow plate 1, the narrow plate 2, the narrow plate 1, the narrow plate 1, the card plate 7, thereby avoiding collision during transportation or movement, thereby causing damage to the inner wall of the pipette tip.

[0037] The auxiliary groove 3 can prevent the narrow plate from being deformed when the card plate 7 and the narrow plate 1 8 are disassembled, which makes it difficult for the card slot 5 to separate from the card block 11. The short protrusion 14 and the long protrusion 16 designed to be less than 45° can prevent the sum of the two angles from being greater than 90°, thereby avoiding extrusion and deformation after the wide plate 1 1, the wide plate 2 13, the narrow plate 1 8, the narrow plate 2 12 and the card plate 7 are assembled, resulting in a decrease in the pressure resistance.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A stacked pipette tip device, characterized in that: The invention comprises a wide plate (1), a wide plate (13), a narrow plate (8), a narrow plate (12) and a card plate (7), wherein the wide plate (1), the wide plate (13), the narrow plate (8), the narrow plate (12) and the card plate (7) are all made of plastic material, one side of the card plate (7) is fixedly connected to the wide plate (13), one side of the wide plate (13) is fixedly connected to the narrow plate (12), one side of the narrow plate (12) is fixedly connected to the wide plate (1), and one side of the wide plate (1) is fixedly connected to the narrow plate (12). A narrow plate (8) is connected, and the wide plate (1), the wide plate (1), the narrow plate (1), the narrow plate (12) and the card plate (7) together form a protective shell with a rectangular cross section, the card plate (7) has a card slot (5) stamped on the surface, and a card block (11) stamped on the surface of the narrow plate (8), and the protective shell composed of the wide plate (1), the wide plate (13), the narrow plate (1), the narrow plate (12) and the card plate (7) is movably connected with a base (4) and a cover plate (9).

2. A stacked pipette tip device according to claim 1, characterized in that: The surfaces of the narrow plate 2 (12) and the narrow plate 1 (8) are both stamped with short protrusions (14), and the surfaces of the wide plate 1 (1) and the wide plate 2 (13) are both provided with long protrusions (16), and each of the long protrusions (16) and the short protrusions (14) are provided with an oblique angle on one side thereof where they are close to each other.

3. A stacked pipette tip device according to claim 2, characterized in that: The inner wall of the card slot (5) is punched to form a safety slot (6), the outer wall of the card block (11) is punched to form a safety block (110), and the wide plate one (1), the wide plate two (13), the narrow plate one (8), the narrow plate two (12) and one side of the card plate (7) are all punched to form a limit strip (10).

4. The stacked pipette tip device according to claim 3, characterized in that: The surfaces of the wide plate 1 (1), the wide plate 2 (13), the narrow plate 1 (8), the narrow plate 2 (12) and the clamping plate (7) that contact each other are all provided with pressing grooves (15).

5. The stacked pipette tip device according to claim 4, characterized in that: The surfaces of the wide plate 1 (1), the wide plate 2 (13), the narrow plate 1 (8), the narrow plate 2 (12) and the clamping plate (7) are all stamped with a locking groove (2), and the stamping protrusion direction of the locking groove (2) is opposite to the protrusion direction of the short protrusion (14) and the long protrusion (16), and the locking groove (2) is "V" shaped.

6. The stacked pipette tip device according to claim 5, characterized in that: The surface of the narrow plate (8) is punched to form an auxiliary groove (3), and the oblique angles of the surfaces of the long protrusion (16) and the short protrusion (14) are both less than 45 degrees.

7. The stacked pipette tip device according to claim 6, characterized in that: The surface of the cover plate (9) is fixedly connected with a skirt (18), the maximum perimeter of the outer circumference of the skirt (18) is smaller than the inner perimeter of the protective shell formed by the wide plate 1 (1), the wide plate 2 (13), the narrow plate 1 (8), the narrow plate 2 (12) and the clamping plate (7), and the surface of the cover plate (9) is fixedly connected with a reinforcing rib (17).

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