Multipurpose pipette rack

Abstract

The utility model relates to the technical field of transfer pipettes, in particular to a multipurpose transfer pipette rack which comprises two side plates which are arranged in a mirroring and symmetrical mode, a transfer pipette containing cavity is formed between the two side plates, and the side plates are of an integrally-formed structure. The bottoms of the two side plates are bent inwards to form first U-shaped grooves, and the two first U-shaped grooves form a base; a detachable waste liquid tank is placed in the first U-shaped tank, a plurality of laminates are sequentially arranged above the waste liquid tank from bottom to top, and a plurality of plate holes are formed in each laminate; a dustproof cover is hinged to the topmost layer plate and comprises a cover body, and a movable dustproof rubber plate is arranged in the cover body. According to the multi-purpose pipette rack disclosed by the utility model, stable placement of the pipette is realized, dust is prevented from entering the pipette, the pipette can be prevented from flowing out, the base and a table top on which the pipette rack is placed are further prevented from being corroded, the waste liquid tank is easy to disassemble and assemble and convenient to clean, the pipette is convenient to take and place, and the experiment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipette technical field especially relates to a multipurpose pipette stand. BACKGROUND

[0002] At present, most of the pipette stands on the market can only meet the basic storage and fixing functions, and lack of multifunctional design for different experimental needs. Specifically, the prior art has the following deficiencies:

[0003] (1) Poor stability: some pipette stands are prone to shaking or falling off when fixing the pipette due to unreasonable structure design or improper material selection, affecting the accuracy and safety of the experiment.

[0004] (2) Pollution problem: environmental dust falling into the pipette can easily cause contamination in the pipette.

[0005] (3) Inconvenient operation: the traditional pipette stand often needs to change the placement position several times when taking and placing multiple pipettes, especially when performing complex experiments, which increases the burden and error rate of the experimental personnel.

[0006] (4) Poor adaptability: different experiments may require different models and sizes of pipettes, and the adaptability of the existing pipette stand is limited, which cannot meet all experimental needs.

[0007] (5) Single function: most pipette stands are only used for storing pipettes and do not have other auxiliary functions such as waste liquid treatment, pipette gun storage, and convenient replacement of large-belly pipettes, which leads to frequent replacement or adjustment of equipment during the experiment, reducing the experimental efficiency.

[0008] In summary, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve it. CONTENT OF THE UTILITY MODEL

[0009] In view of the above-mentioned defects, the utility model aims to provide a multipurpose pipette stand, which realizes stable placement of the pipette, can avoid corrosion of the base and the desktop on which the stand is placed, and can collect the waste liquid tank which is easy to disassemble and clean.

[0010] In order to achieve the above-mentioned purpose, the utility model provides a multipurpose pipette stand, which comprises two mirror image and symmetrically arranged side plates, a pipette placement cavity is formed between the two side plates, and the side plates are of an integral molding structure; the bottom of the two side plates is bent inward to form a first U-shaped groove, and two first U-shaped grooves constitute a base;

[0011] The first U-shaped groove is provided with a detachable waste liquid groove, the upper portion of the waste liquid groove is sequentially provided with a plurality of layer plates from bottom to top, each layer plate is provided with a plurality of plate holes, the layer plate at the top is hinged with a dust cover, the dust cover comprises a cover body, and a movable dustproof rubber plate is arranged in the cover body.

[0012] As a preferred technical scheme, the bottom of the dustproof rubber plate is provided with a plurality of rubber grooves, the rubber grooves are tapered grooves, the groove opening diameter of the rubber grooves is greater than the pipe opening diameter of the pipette, and the groove bottom diameter of the rubber grooves is less than the pipe opening diameter of the pipette.

[0013] As a preferred technical scheme, the top of the dustproof rubber plate is connected with a rotatable screw rod through a fixing plate; the fixing plate is fixed on the dustproof rubber plate, a limiting block groove is arranged on the fixing plate, one end of the rotatable screw rod is provided with a limiting block, and the other end of the rotatable screw rod is screwed on the cover body, and the limiting block is located in the limiting block groove.

[0014] As a preferred technical scheme, two screw holes are arranged on the cover body, and threads matched with the rotatable screw rod are arranged in the screw holes.

[0015] As a preferred technical scheme, the layer plate at the top is fixed between the two side plates, and the remaining layer plates are fixed or detachably installed between the two side plates.

[0016] As a preferred technical scheme, the plate hole diameters of the layer plates sequentially arranged from bottom to top gradually increase.

[0017] As a preferred technical scheme, the spacing between the two layer plates at the top is greater than the spacing between the adjacent layer plates below the layer plate at the top.

[0018] As a preferred technical scheme, the layer plate at the top is provided with U-shaped hole positions on both sides; the two side plates are trapezoidal plates, and a plurality of U-shaped hole positions are also arranged on the side walls of the trapezoidal plates, and the U-shaped hole positions on the two side plates are arranged upwardly and obliquely.

[0019] As a preferred technical scheme, a second U-shaped groove is arranged on the top of one side wall in the pipette placing cavity of the first U-shaped groove, at least one inner side wall of the second U-shaped groove is provided with an adjusting hole, a detachable limiting screw rod is arranged in the adjusting hole, one end of the limiting screw rod is screwed in the adjusting hole, and the other end of the limiting screw rod is sleeved with a corrosion-resistant rubber sleeve.

[0020] The utility model provides a multipurpose pipette stand has the following beneficial effects:

[0021] (1) stability is promoted: reasonable structure design and material are adopted, and it is stable and reliable when pipette moves, and pipette is not easy to shake or fall off;

[0022] (2) No pollution: by setting dustproof rubber plate, can avoid the dust into the pipette, also can avoid the pipette flow out, and avoid the base and the desktop placed the pipe rack is corroded;

[0023] (3) Simple operation: take and place pipette, waste liquid tank operation is more simple and fast; For example, using detachable waste liquid tank 3, can be taken out easily, easy to disassemble and clean, when need to handle the waste liquid in the waste liquid tank, only need to take out the waste liquid tank from the base can be handled;

[0024] (4) Strong adaptability: by setting multiple layers of different diameter slot, can be applied to various models and sizes of pipette, improve the applicability and flexibility.

[0025] (5) Multifunctional design: by increasing the waste liquid tank, pipette gun placement hole and multiple placement hole design, pipette rack can meet the needs of waste liquid treatment, pipette gun fixing, pipette storage and other requirements while storing pipette, improve the convenience and efficiency of the experiment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the structure of the multipurpose pipette rack;

[0027] Figure 2 is a schematic view of the structure of the first U-shaped groove;

[0028] Figure 3 is Figure 2 is an enlarged view of M;

[0029] Figure 4 is a schematic view of the top structure of the dust cover;

[0030] Figure 5 is a schematic view of the structure of the dustproof rubber plate;

[0031] Figure 6 is a schematic view of the structure of the dustproof rubber plate from another perspective;

[0032] Figure 7 is a schematic view of the connection between the dustproof rubber plate and the fixed plate;

[0033] In the figure:

[0034] 1- side plate, 11- U-shaped hole, 2- first U-shaped groove, 21- second U-shaped groove, 22- adjusting hole, 23- limiting screw, 24- rubber sleeve, 3- waste liquid tank, 4- first layer plate, 41- first plate hole, 5- second layer plate, 51- second plate hole, 6- third layer plate, 61- third plate hole, 7- dust cover, 71- cover, 72- rubber groove, 73- rotatable screw, 731- limiting block, 74- dustproof rubber plate, 75- handle, 76- screw, 77- fixed plate, 78- limiting block groove, 79- screw hole. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model clearer and more understandable, the utility model will be further described in detail below in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0036] Embodiment one:

[0037] Referring to Figure 1 The utility model provides a multipurpose pipette stand, including two mirror image and symmetrically arranged side plates 1, the pipette placing cavity is formed between two side plates.

[0038] The side plate is an integral forming structure. The bottom of two side plates 1 is arranged to be bent towards the inner side, forming a first U-shaped groove 2, and two first U-shaped grooves 2 constitute a base. A detachable waste liquid tank 3 is placed in the first U-shaped groove 2, and the waste liquid tank 3 is used to collect the waste liquid flowing out of the pipette. The waste liquid tank 3 is detachably arranged, which can avoid the corrosion of the base and the desktop on which the stand is placed, and is easy to disassemble and clean.

[0039] A plurality of layer plates are sequentially arranged from bottom to top above the waste liquid tank 3, wherein the layer plate located at the topmost part is fixed between the two side plates, and the remaining plurality of layer plates are detachably mounted between the two side plates. A plurality of plate holes are arranged on each layer plate, and the hole diameters of the plate holes of the plurality of layer plates sequentially arranged from bottom to top gradually increase. The layer plate with the hole diameter suitable for the pipe diameter of the pipette can be selected. The remaining plurality of layer plates can also be directly fixed and mounted between the two side plates. The layer plate located at the topmost part is hinged with a dust cover 7, and the arrangement of the dust cover 7 can block dust from entering the pipette.

[0040] The spacing between the two layer plates located at the topmost part is greater than the spacing between the adjacent layer plates below the layer plate located at the topmost part.

[0041] The layer plate located at the topmost part is provided with a U-shaped hole position 11 on both sides, and if a pipette gun is needed in the experiment, it can be placed in the U-shaped hole position 11 on both sides of the layer plate located at the topmost part.

[0042] The two side plates 1 are trapezoidal plates, and a plurality of U-shaped hole positions 11 are also arranged on the side walls of the trapezoidal plates. The arrangement of the U-shaped hole positions 11 can facilitate the placement of the graduated pipette and the single-line pipette. The U-shaped hole positions 11 located on the two side plates 1 are arranged to be inclined upward, which facilitates the stable placement of the graduated pipette and the single-line pipette.

[0043] Referring to Figure 2 And Figure 3The first U-shaped groove 2 is provided with a second U-shaped groove 21 on the top of one side wall in the pipette placing cavity, at least one inner side wall of the second U-shaped groove 21 is provided with an adjusting hole 22, the adjusting hole 22 is provided with a detachable limiting screw 23, one end of the limiting screw 23 is screwed in the adjusting hole 22 and the other end is sleeved with a corrosion-resistant rubber sleeve 24. The limiting screw 23 is rotated, so that the rubber sleeve 24 abuts against the waste liquid tank 3, and the waste liquid tank 3 is fixed.

[0044] Referring to Figures 4 to 6 The dustproof cover 7 comprises a cover body 71, the cover body 71 is provided with a handle 75, the inside of the cover body 71 is provided with a movable dustproof rubber plate 74, the bottom of the dustproof rubber plate 74 is provided with a plurality of rubber grooves 72, the rubber grooves 72 are tapered grooves, and the groove diameter gradually decreases from the groove mouth to the groove bottom. The groove mouth diameter of the rubber groove 72 is slightly larger than the pipe opening diameter of the pipette, and the groove bottom diameter of the rubber groove 72 is slightly smaller than the pipe opening diameter of the pipette. For example, when the pipette with a pipe opening diameter of 7 mm is used, the groove mouth diameter of the rubber groove 72 is set to 9 mm, and the groove bottom diameter of the rubber groove 72 is set to 5 mm; when the pipette with a pipe opening diameter of 5 mm is used, the groove mouth diameter of the rubber groove 72 is set to 7 mm, and the groove bottom diameter of the rubber groove 72 is set to 3 mm. The setting of the dustproof rubber plate 74 not only plays a sealing role for the pipe opening of the pipette to prevent dust and the like from entering the pipette, but also plays a role of fixing the pipette to prevent the pipette from shaking during movement.

[0045] Referring to Figure 7 The top of the dustproof rubber plate 74 is connected with a rotatable screw 73 through a fixed plate 77, specifically, the fixed plate 77 is fixed on the dustproof rubber plate 74 through a screw 76, and the fixed plate 77 is provided with a limiting block groove 78.

[0046] One end of the rotatable screw 73 is provided with a limiting block 731 and the other end is screwed on the cover body 71. The limiting block 731 is located in the limiting block groove 78; the cover body 71 is provided with two screw holes 79, the screw holes 79 are provided with threads matched with the rotatable screw 73, and the rotatable screw 73 can be further fixed through a nut.

[0047] In practical application, the utility model discloses preferably setting three layer boards, and the three layer boards are respectively: first layer board 4, second layer board 5 and third layer board 6, be provided with a plurality of first board hole 41 on first layer board 4, be provided with a plurality of second board hole 51 on second layer board 5, be provided with a plurality of third board hole 61 on third layer board 6, the aperture of first board hole 41 < the aperture of second board hole 51 < the aperture of third board hole 61.Pipette is placed vertically in third board hole 61 of third layer board 6, and pipette passes to second layer board 5, first layer board 4 from third board hole 61, realizes stable placement.Waste liquid tank 3 can be detachably arranged, can avoid the corrosion of the desktop of the base and the placement of the pipe support, and is easy to disassemble and wash and can be collected.

[0048] The utility model discloses multipurpose pipette stand, realized the stability of pipette when moving, strengthened the sealing property of pipette, guaranteed that no dust entered in pipette, also made liquid in pipette unable to flow out, avoided the corrosion of the desktop of the base and the placement of the pipe support, and waste liquid tank was easy to disassemble and wash.Through increasing waste liquid tank, pipette gun placement hole and multiple placement hole site etc., make pipette stand when storing pipette, can also satisfy waste liquid treatment, pipette gun fixation, pipette storage etc. Multiple needs, improve the convenience and efficiency of experiment. Adopt reasonable structure design and material, ensure that pipette is stable and reliable when moving, and is not easy to shake or fall off, for example, the trapezoidal design of upper narrow and lower wide makes the gravity center of pipette stand lower, and is not easy to tip over. Simple operation, through the optimization structure design, make pipette stand when taking and placing pipette, operation is more simple and convenient, for example, adopt the design of the waste liquid tank that can be taken out, when needing to handle waste liquid in waste liquid tank, just take out waste liquid tank from the base and can handle. Strong adaptability can adapt to multiple models and sizes of pipette, improve the applicability and flexibility of equipment.

[0049] The utility model provides a kind of multipurpose pipette stand, realized the stable placement of pipette, avoid entering dust in pipette, also can avoid pipette flow out, to avoid the corrosion of the desktop of the base and the placement of the pipe support, waste liquid tank is easy to disassemble, is washed easily, pipette is convenient to take and place, improves experimental efficiency.

[0050] Of course, the utility model also can have other various embodiments, without departing from the spirit and the essence of the utility model, skilled person in the art can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A multi-purpose pipette holder, comprising two mirror-image and symmetrically arranged side plates (1), with a pipette placement cavity formed between the two side plates, characterized in that, The side plate is an integrally formed structure; the bottom of the two side plates (1) is bent inward to form a first U-shaped groove (2), and the two first U-shaped grooves (2) form a base; A detachable waste liquid tank (3) is placed inside the first U-shaped groove (2). Multiple layers are arranged from bottom to top above the waste liquid tank (3), and each layer has multiple holes. A dust cover (7) is hinged to the topmost layer. The dust cover (7) includes a cover (71), and a movable dustproof rubber plate (74) is arranged inside the cover (71).

2. The multipurpose pipette stand according to claim 1, characterized in that, The bottom of the dustproof rubber plate (74) is provided with a plurality of rubber grooves (72), the rubber grooves (72) are conical grooves, the groove opening diameter of the rubber grooves (72) is larger than the pipette opening diameter, and the bottom diameter of the rubber grooves (72) is smaller than the pipette opening diameter.

3. The multipurpose pipette stand according to claim 2, characterized in that, The top of the dustproof rubber plate (74) is connected to a rotatable screw (73) via a fixing plate (77); the fixing plate (77) is fixed on the dustproof rubber plate (74), and a limiting block groove (78) is provided on the fixing plate (77). One end of the rotatable screw (73) is provided with a limiting block (731) and the other end is screwed onto the cover (71). The limiting block (731) is located in the limiting block groove (78).

4. A multi-purpose pipette stand according to claim 3, characterized in that, The cover (71) is provided with two screw holes (79), and the screw holes (79) are provided with threads that are adapted to the rotatable screw (73).

5. A multi-purpose pipette stand according to claim 1, characterized in that, The top shelf is fixed between two side panels, and the remaining shelves are fixed or detachably installed between the two side panels.

6. A multipurpose pipette stand according to claim 1 or 5, characterized in that, The aperture of the multiple layers arranged from bottom to top gradually increases.

7. A multipurpose pipette stand according to claim 6, characterized in that, The spacing between the two topmost shelves is greater than the spacing between adjacent shelves below the topmost shelf.

8. A multi-purpose pipette stand according to claim 6, characterized in that, U-shaped holes (11) are provided on both sides of the top shelf; The two side plates (1) are trapezoidal plates, and multiple U-shaped holes (11) are also provided on the side walls of the trapezoidal plates. The U-shaped holes (11) on the two side plates (1) are inclined upward.

9. A multipurpose pipette stand according to claim 6, characterized in that, A second U-shaped groove (21) is provided on the top of one side wall of the first U-shaped groove (2) located inside the pipette placement cavity. An adjustment hole (22) is provided on at least one inner side wall of the second U-shaped groove (21). A detachable limiting screw (23) is provided in the adjustment hole (22). One end of the limiting screw (23) is screwed into the adjustment hole (22) and the other end is fitted with a corrosion-resistant rubber sleeve (24).

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