Pipette placing rack

Abstract

The utility model relates to the technical field of experiment auxiliary equipment, and discloses a pipette placing rack which comprises a rack body and a plurality of clamping assemblies, and the multiple clamping assemblies are arranged in the width direction of the rack body at intervals; wherein the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is fixed on the frame body, the second clamping piece is in sliding connection with the first clamping piece in the width direction of the frame body, and the first clamping piece and the second clamping piece can clamp pipettes of different specifications in different relative position states in the width direction of the frame body; the problem that the experiment operation convenience is affected due to the fact that a placing frame is not matched with the pipette can be solved or improved.

Description

Technical Field

[0001] The present application relates to the technical field of experimental auxiliary equipment, and in particular to a pipette placement rack. Background Art

[0002] Pipette plays a vital role in the laboratory. It can not only move and dispense liquids accurately, but also keep the experimental environment clean, improve experimental efficiency and stability, control chemical and biological reactions, and be applicable to a variety of liquid types. Therefore, pipette is one of the indispensable tools in the laboratory.

[0003] In the related art, due to the experimental needs of the laboratory, different types and specifications of pipettes are needed to absorb different types of experimental reagents for conducting experiments.

[0004] However, due to the different sizes and specifications of pipettes, there is a problem that the pipette does not match the placement rack, causing the pipette to fall off the placement rack or be unable to be placed in the placement rack, affecting the convenience of experimental operation. Utility Model Content

[0005] The present application provides a pipette placement rack to solve or improve the problem that the placement rack and the pipette do not match, affecting the convenience of experimental operation.

[0006] On the one hand, the present application provides a pipette placement rack, comprising a rack body and a clamping assembly, wherein the clamping assembly is provided in plurality, and the plurality of clamping assemblies are spaced apart along the width direction of the rack body;

[0007] In which, the clamping assembly includes a first clamping member and a second clamping member, the first clamping member is fixed on the frame, and the second clamping member is slidingly connected to the first clamping member along the width direction of the frame. The first clamping member and the second clamping member can clamp pipettes of different specifications in different relative position states along the width direction of the frame.

[0008] Beneficial effect: By arranging multiple clamping components at intervals in the width direction of the frame, and the clamping components include a first clamping member and a second clamping member, the second clamping member is slidably connected to the first clamping member along the width direction of the frame, so that the distance between the first clamping member and the second clamping member can be adjusted according to the size of different pipettes to adapt to pipettes of different specifications, avoid the problem of pipettes falling off or being unable to be inserted, and improve the convenience of experimental operation.

[0009] In an optional embodiment, the clamping assembly further includes a reset member, and the first clamping member and the second clamping member are connected along the width direction of the frame through the reset member, and the reset member is in a stretched state.

[0010] In an optional embodiment, the first clamping member includes a slot portion and a first clamping portion, and the slot portion is connected to the frame; the second clamping member includes an insert plate portion and a second clamping portion, and the insert plate portion is slidably inserted into the slot portion, and the two ends of the reset member are respectively connected to the slot portion and the insert plate portion.

[0011] In an optional embodiment, the first clamping portion and the second clamping portion are both arc-shaped and arranged opposite to each other; and / or, a bending section is provided at the location where the plug-in plate portion and the slot portion are plugged together to support the hook of the pipette.

[0012] In an optional embodiment, the slot portion is provided with a recessed groove portion along the width direction of the frame body, and a recessed plate portion is provided at a position of the plug-in plate portion corresponding to the recessed groove portion, and the recessed plate portion is slidably inserted into the recessed groove portion, and the recessed plate portion and the recessed groove portion are inserted into the recessed groove to form a receiving groove, and the reset member is located in the receiving groove, and both ends of the reset member are respectively connected to the two ends of the receiving groove along the width direction of the frame body.

[0013] In an optional embodiment, a limiting member is further included, and a plurality of limiting members are provided, and they correspond one-to-one to the clamping assemblies. The limiting member is provided on the frame, and a limiting groove is provided on the limiting member, which is suitable for limiting one end of the pipette gun away from the clamping assembly.

[0014] In an optional embodiment, the reset member is a spring.

[0015] In an optional embodiment, the frame includes a base and an inclined plate, the inclined plate is inclined, the inclined plate includes a plate groove and a slide plate, the slide plate is plugged into the plate groove along the width direction of the frame, and the plate groove is connected to the base;

[0016] In which, a first transverse groove is provided on the upper edge of the inclined plate in the width direction of the frame, a part of the first transverse groove is located on the plate groove, and the other part of the first transverse groove is located on the slide; the plurality of clamping assemblies are connected to the first transverse groove through a connecting piece and can be disassembled, and the length of the first transverse groove can change with the plug-in position of the slide and the plate groove.

[0017] In an optional embodiment, a second transverse groove is provided on the inclined plate in the width direction of the frame, the second transverse groove is located between the first transverse groove and the base, a part of the second transverse groove is located on the plate groove, and the other part of the second transverse groove is located on the slide; the plurality of limit members are connected to the second transverse groove through a connecting member and can be disassembled, and the length of the second transverse groove can change with the plug-in position of the slide and the plate groove.

[0018] In an optional embodiment, a plurality of drawers are arranged side by side on the base along the width direction of the frame; and / or a plurality of waste liquid tanks are provided on the base, and the plurality of waste liquid tanks correspond to the clamping components and are suitable for recovering waste liquid discharged from the pipette. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of this application or the technical solutions in related technologies, the following is a brief introduction to the drawings required for use in the specific implementation methods or related technical descriptions. Obviously, the drawings described below are some implementation methods of this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is an axial side view of a pipette placement stand according to an embodiment of the present application;

[0021] Figure 2 This is a front view of a frame in a pipette placement rack according to an embodiment of the present application;

[0022] Figure 3 for Figure 2 Exploded diagram;

[0023] Figure 4 This is an isometric view of a clamping assembly in a pipette placement rack according to an embodiment of the present application;

[0024] Figure 5 This is a disassembled diagram of a clamping assembly in a pipette placement rack according to an embodiment of the present application;

[0025] Figure 6 This is a schematic structural diagram of a position limiting member in a pipette placement rack according to an embodiment of the present application;

[0026] Figure 7 This is a schematic structural diagram of a waste liquid tank in a pipette placement rack according to an embodiment of the present application.

[0027] Description of reference numerals:

[0028] 1. Frame; 2. Clamping assembly; 3. Limiting piece;

[0029] 11. Base; 12. Inclined plate;

[0030] 111. Drawer; 112. Waste liquid tank;

[0031] 121, plate groove; 122, slide plate; 123, first transverse groove; 124, second transverse groove;

[0032] 21. First clamping member; 22. Second clamping member; 23. Resetting member; 24. Bending section;

[0033] 31. Limiting slot;

[0034] 211, slot portion; 212, first clamping portion;

[0035] 2111, recessed groove;

[0036] 221, inserting plate portion; 222, second clamping portion;

[0037] 2211. Recessed plate portion. DETAILED DESCRIPTION

[0038] To make the purpose, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.

[0039] In the related art, due to the experimental needs of the laboratory, different types and specifications of pipettes are needed to absorb different types of experimental reagents for conducting experiments.

[0040] However, due to the different sizes and specifications of pipettes, there is a problem that the pipette does not match the placement rack, causing the pipette to fall off the placement rack or be unable to be placed in the placement rack, affecting the convenience of experimental operation.

[0041] In view of this, the present application provides a pipette placement rack to solve or improve the problem that the placement rack and the pipette do not match, affecting the convenience of experimental operation.

[0042] The following combination Figures 1 to 7 , describing the embodiments of the present application.

[0043] According to an embodiment of the present application, on the one hand, a pipette placement rack is provided, such as Figure 1 As shown, it includes a frame 1 and a clamping assembly 2. The frame 1 can be any one of a plastic part and a metal part.

[0044] Specifically, such as Figure 1 As shown, there are multiple clamping assemblies 2, and the multiple clamping assemblies 2 are spaced apart along the width direction of the frame 1. The distance between two adjacent clamping assemblies 2 can be adjusted according to actual needs, such as the type of pipette gun, etc.

[0045] Among them, such as Figure 3 and Figure 4As shown, the clamping assembly 2 includes a first clamping member 21 and a second clamping member 22. The first clamping member 21 and the second clamping member 22 are both plastic members. The first clamping member 21 is fixed to the frame 1 by screwing with bolts and nuts or by bonding. The second clamping member 22 is slidingly connected to the first clamping member 21 along the width direction of the frame 1. The first clamping member 21 and the second clamping member 22 can clamp pipettes of different specifications in different relative positions along the width direction of the frame 1.

[0046] It should be noted that the first clamping member 21 and the second clamping member 22 can clamp pipettes of different specifications in different relative position states along the width direction of the frame 1, which means that the first clamping member 21 and the second clamping member 22 can be in different width states along the width direction of the frame 1, which can be different gear widths or continuously changing widths.

[0047] In this embodiment, Figure 3 and Figure 4 As shown, a plurality of clamping assemblies 2 are arranged at intervals in the width direction of the frame 1, and the clamping assemblies 2 include a first clamping member 21 and a second clamping member 22. The second clamping member 22 is slidably connected to the first clamping member 21 along the width direction of the frame 1, so that the distance between the first clamping member 21 and the second clamping member 22 can be adjusted according to the size of different pipettes to adapt to pipettes of different specifications, avoid the problem of the pipette falling off or being unable to be inserted, and improve the convenience of experimental operation.

[0048] In one embodiment, Figure 3 and Figure 4 As shown, the clamping assembly 2 further includes a reset member 23 . The first clamping member 21 and the second clamping member 22 are connected along the width direction of the frame 1 through the reset member 23 . The reset member 23 is in a stretched state.

[0049] Specifically, the reset member 23 is a spring or a rubber member with a certain elasticity.

[0050] In this embodiment, Figure 3 and Figure 4 As shown, the first clamping member 21 and the second clamping member 22 are connected in a stretched state by the reset member 23, so that the first clamping member 21 and the second clamping member 22 can clamp pipettes of different specifications, with a simple structure and low cost.

[0051] In one embodiment, Figure 4As shown, the first clamping member 21 includes a slot portion 211 and a first clamping portion 212, and the slot portion 211 is connected to the frame 1; the second clamping member 22 includes an insert plate portion 221 and a second clamping portion 222, and the insert plate portion 221 is slidably inserted into the slot portion 211, and the two ends of the reset member 23 are respectively connected to the slot portion 211 and the insert plate portion 221.

[0052] In this embodiment, the second clamping member 22 is plugged into the slot portion 211 on the first clamping member 21 through the disassembly portion thereon to adjust the distance between the first clamping member 21 and the second clamping member 22. The solution is simple and has good stability.

[0053] In some embodiments not shown, a slide groove can be provided on the first clamping member 21, and a slider can be provided on the second clamping member 22. The slider and the slide groove are slidably connected along the width direction of the frame 1, so that the distance between the clamping member and the second clamping member 22 can also be adjusted.

[0054] In one embodiment, Figure 3 and Figure 4 As shown, the first clamping portion 212 and the second clamping portion 222 are both arc-shaped and arranged relative to each other; specifically, the shapes of the first clamping portion 212 and the second clamping portion 222 are arc-shaped surfaces that match the contact parts of the pipette, and more specifically, semicircular shapes, etc., which can fit better with the surface of the pipette and prevent the pipette from falling off.

[0055] It should be noted that the first clamping portion 212 and the second clamping portion 222 are both arc-shaped and arranged opposite to each other, which means that the arc-shaped opening of the first clamping portion 212 is opposite to the arc-shaped opening of the second clamping portion 222 .

[0056] and / or, such as Figure 3 As shown, a bent section 24 is provided at the portion formed by the plug-in connection between the plug-in plate portion 221 and the slot portion 211 for supporting the hook of the pipette.

[0057] Specifically, the specific shape of the bending section 24 can be an arc shape, a plane shape, etc., as long as it can support the hook of the pipette to prevent the pipette from falling off.

[0058] In this embodiment, the provision of the bent section 24 can prevent the pipette from falling off.

[0059] In one embodiment, Figure 4As shown, the slot portion 211 is provided with a recessed groove portion 2111 along the width direction of the frame body 1, and the position of the inserting plate portion 221 corresponding to the recessed groove portion 2111 is provided with a recessed plate portion 2211, and the recessed plate portion 2211 is slidably inserted into the recessed groove portion 2111, and the recessed plate portion 2211 and the recessed groove portion 2111 are inserted into the recessed groove to form a receiving groove, and the reset member 23 is located in the receiving groove, and the two ends of the reset member 23 are respectively connected to the two ends of the receiving groove along the width direction of the frame body 1.

[0060] Specifically, the accommodating groove formed by plugging the recessed plate portion 2211 and the recessed groove portion 2111 is in the shape of a waist-round groove, and may also be in other shapes as long as it can accommodate the restoring member 23 .

[0061] In this embodiment, Figure 4 As shown, the accommodating groove formed by plugging the recessed plate portion 2211 and the recessed groove portion 2111 is used to accommodate the reset member 23, which can prevent the reset member 23 from being interfered with by other components, such as a pipette gun, and can improve the movement stability of the clamping assembly 2.

[0062] In one embodiment, Figure 1 and Figure 6 As shown, the pipette placement rack also includes a limiter 3, which can be a plastic part or a metal part, and can be selected and set according to the actual experimental corrosion requirements; there are multiple limiters 3, and they correspond one-to-one to the clamping components 2, and the limiters 3 are set on the frame 1. A limiter groove 31 is set on the limiter 3, and the shape of the limiter groove 31 can be adapted to the outer surface of the pipette, such as a semicircle, etc., which is suitable for limiting the end of the pipette away from the clamping component 2.

[0063] In this embodiment, the limiting member 3 is provided to limit the position of each pipette away from the clamping assembly 2, thereby preventing the pipette from shaking on the placement rack.

[0064] In one embodiment, Figures 1 to 3 As shown, the frame 1 includes a base 11 and an inclined plate 12, both of which are made of plastic. The inclined plate 12 is arranged at an angle, and the inclined plate 12 includes a plate groove 121 and a slide 122. The slide 122 is plugged into the plate groove 121 along the width direction of the frame 1, and the plate groove 121 is connected to the base 11; wherein, a first transverse groove 123 is provided on the inclined plate 12 along the width direction of the frame 1, a part of the first transverse groove 123 is located on the plate groove 121, and the other part of the first transverse groove 123 is located on the slide 122; a plurality of clamping components 2 are connected to the first transverse groove 123 through a connecting piece and can be disassembled, and the length of the first transverse groove 123 can change with the plug-in position of the slide 122 and the plate groove 121.

[0065] Specifically, the angle between the inclined plate 12 and the base 11 is 45° to 75°, preferably any one of 50°, 55°, 60°, 65° and 70°, and more preferably 60°.

[0066] Specifically, the connecting parts are bolts and nuts, and gaskets and the like may be added as needed.

[0067] In this embodiment, the clamping assembly 2 is connected to the first transverse groove 123 on the inclined plate 12 through a connecting piece and can be disassembled, so that the position of the clamping assembly 2 can be adjusted according to the specifications of the pipette, thereby improving the adaptability of the placement rack to the placement of pipettes of different specifications.

[0068] In one embodiment, Figures 1 to 3 As shown, a second transverse groove 124 is provided on the inclined plate 12 along the width direction of the frame body 1, and the second transverse groove 124 is located between the first transverse groove 123 and the base 11, a part of the second transverse groove 124 is located on the plate groove 121, and the other part of the second transverse groove 124 is located on the slide plate 122; a plurality of limit members 3 are connected to the second transverse groove 124 through a connecting member and can be disassembled, and the length of the second transverse groove 124 can change with the plug-in position of the slide plate 122 and the plate groove 121.

[0069] Specifically, the connecting parts are bolts and nuts, and gaskets and the like may be added as needed.

[0070] In this embodiment, the provision of the second transverse groove 124 can adjust the relative position of the limiting member 3 to adapt to the adjustment of the position of the clamping assembly 2. The solution is simple and easy to operate.

[0071] In one embodiment, Figure 1 and Figure 2 As shown, a plurality of drawers 111 are arranged side by side on the base 11 along the width direction of the frame 1 for storing pipettes, thereby facilitating the storage of the pipettes.

[0072] and / or, such as Figure 1 and Figure 7 As shown, a plurality of waste liquid tanks 112 are provided on the base 11, and the plurality of waste liquid tanks 112 correspond to the clamping assembly 2, and are suitable for recovering waste liquid discharged from the pipette to prevent contamination of the experimental table, and facilitate the discharge of unused reagents in the pipette, thereby improving the convenience of experimental operation.

[0073] In one embodiment, a pipette placement stand is provided, such as Figure 1 As shown, it includes a frame 1 and a clamping assembly 2. The frame 1 can be any one of a plastic part and a metal part. Specifically, Figure 1As shown, there are multiple clamping assemblies 2, and the multiple clamping assemblies 2 are spaced apart along the width direction of the frame 1. The distance between two adjacent clamping assemblies 2 can be adjusted according to actual needs, such as the type of pipette gun, etc.

[0074] Among them, such as Figure 3 and Figure 4 As shown, the clamping assembly 2 includes a first clamping member 21 and a second clamping member 22. The first clamping member 21 and the second clamping member 22 are both plastic members. The first clamping member 21 is fixed to the frame 1 by screwing with bolts and nuts or by bonding. The second clamping member 22 is slidingly connected to the first clamping member 21 along the width direction of the frame 1. The first clamping member 21 and the second clamping member 22 can clamp pipettes of different specifications in different relative positions along the width direction of the frame 1.

[0075] like Figure 3 and Figure 4 As shown, the clamping assembly 2 further includes a reset member 23. The first clamping member 21 and the second clamping member 22 are connected along the width direction of the frame 1 by the reset member 23. The reset member 23 is in a stretched state. Specifically, the reset member 23 is a spring or a rubber member with a certain degree of expansion and contraction.

[0076] like Figure 4 As shown, more specifically, the first clamping member 21 includes a slot portion 211 and a first clamping portion 212, and the slot portion 211 is connected to the frame 1; the second clamping member 22 includes an insert plate portion 221 and a second clamping portion 222, and the insert plate portion 221 is slidably inserted into the slot portion 211, and the two ends of the reset member 23 are respectively connected to the slot portion 211 and the insert plate portion 221.

[0077] like Figure 3 and Figure 4 As shown, the first clamping portion 212 and the second clamping portion 222 are both arc-shaped and arranged relative to each other; specifically, the shapes of the first clamping portion 212 and the second clamping portion 222 are arc-shaped surfaces that match the contact parts of the pipette, and more specifically, semicircular shapes, etc., which can fit better with the surface of the pipette and prevent the pipette from falling off.

[0078] like Figure 3 As shown, a bent section 24 is provided at the portion formed by the plug-in connection between the plug-in plate portion 221 and the slot portion 211 for supporting the hook of the pipette.

[0079] like Figure 4As shown, the slot portion 211 is provided with a recessed groove portion 2111 along the width direction of the frame body 1, and the position of the inserting plate portion 221 corresponding to the recessed groove portion 2111 is provided with a recessed plate portion 2211, and the recessed plate portion 2211 is slidably inserted into the recessed groove portion 2111, and the recessed plate portion 2211 and the recessed groove portion 2111 are inserted into the recessed groove to form a receiving groove, and the reset member 23 is located in the receiving groove, and the two ends of the reset member 23 are respectively connected to the two ends of the receiving groove along the width direction of the frame body 1.

[0080] like Figure 1 and Figure 6 As shown, the pipette placement rack also includes a limiter 3, which can be a plastic part or a metal part, and can be selected and set according to the actual experimental corrosion requirements; there are multiple limiters 3, and they correspond one-to-one to the clamping components 2, and the limiters 3 are set on the frame 1. A limiter groove 31 is set on the limiter 3, and the shape of the limiter groove 31 can be adapted to the outer surface of the pipette, such as a semicircle, etc., which is suitable for limiting the end of the pipette away from the clamping component 2.

[0081] like Figures 1 to 3 As shown, the frame 1 includes a base 11 and an inclined plate 12, both of which are made of plastic. The inclined plate 12 is arranged at an angle, and the inclined plate 12 includes a plate groove 121 and a slide 122. The slide 122 is plugged into the plate groove 121 along the width direction of the frame 1, and the plate groove 121 is connected to the base 11; wherein, a first transverse groove 123 is provided on the inclined plate 12 along the width direction of the frame 1, a part of the first transverse groove 123 is located on the plate groove 121, and the other part of the first transverse groove 123 is located on the slide 122; a plurality of clamping components 2 are connected to the first transverse groove 123 through a connecting piece and can be disassembled, and the length of the first transverse groove 123 can change with the plug-in position of the slide 122 and the plate groove 121.

[0082] Specifically, the base 11 has a width of 200 mm, a length of 300 mm, and a height of 80 mm. The inclined plate 12 has a length of 300 mm. The spacing between the first clamping portion 212 and the second clamping portion 222 in the natural state is 35 mm. The angle between the inclined plate 12 and the base 11 is 45° to 75°, preferably any one of 50°, 55°, 60°, 65°, and 70°, and more preferably 60°. Specifically, the connecting members are bolts and nuts, and gaskets and the like may be added as needed.

[0083] like Figures 1 to 3As shown, a second transverse groove 124 is provided on the inclined plate 12 along the width direction of the frame body 1. The second transverse groove 124 is located between the first transverse groove 123 and the base 11. A portion of the second transverse groove 124 is located on the plate groove 121, and the other portion is located on the slide plate 122. Multiple limit members 3 are connected to the second transverse groove 124 via connectors and are detachable. The length of the second transverse groove 124 can be changed according to the insertion position of the slide plate 122 and the plate groove 121. Specifically, the connectors are bolts and nuts, and gaskets can also be added as needed.

[0084] like Figure 1 and Figure 2 As shown, a plurality of drawers 111 are arranged side by side on the base 11 along the width direction of the frame 1 for storing pipettes, thereby facilitating the storage of the pipettes.

[0085] and / or, such as Figure 1 and Figure 7 As shown, a plurality of waste liquid tanks 112 are provided on the base 11, and the plurality of waste liquid tanks 112 correspond to the clamping assembly 2, and are suitable for recovering waste liquid discharged from the pipette to prevent contamination of the experimental table, and facilitate the discharge of unused reagents in the pipette, thereby improving the convenience of experimental operation.

[0086] Although the embodiments of the present application have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations shall fall within the scope defined by the appended claims.

Claims

1. A pipette placement rack, characterized in that: include: Frame (1); A plurality of clamping assemblies (2) are provided, and the plurality of clamping assemblies (2) are spaced apart along the width direction of the frame (1); The clamping assembly (2) includes a first clamping member (21) and a second clamping member (22), wherein the first clamping member (21) is fixed on the frame (1), and the second clamping member (22) is slidably connected to the first clamping member (21) along the width direction of the frame (1), and the first clamping member (21) and the second clamping member (22) can clamp pipettes of different specifications in different relative position states along the width direction of the frame (1).

2. The pipette placement stand according to claim 1, characterized in that: The clamping assembly (2) further includes a reset member (23), wherein the first clamping member (21) and the second clamping member (22) are connected along the width direction of the frame (1) via the reset member (23), and the reset member (23) is in a stretched state.

3. The pipette placement stand according to claim 2, characterized in that: The first clamping member (21) comprises a slot portion (211) and a first clamping portion (212), wherein the slot portion (211) is connected to the frame (1); the second clamping member (22) comprises a plug-in portion (221) and a second clamping portion (222), wherein the plug-in portion (221) is slidably plugged into the slot portion (211), and the two ends of the reset member (23) are respectively connected to the slot portion (211) and the plug-in portion (221).

4. The pipette placement stand according to claim 3, characterized in that: The first clamping portion (212) and the second clamping portion (222) are both arc-shaped and arranged opposite to each other; And / or, a bent section (24) is provided at the portion formed by the plug-in connection between the plug-in plate portion (221) and the slot portion (211), for supporting a hook of a pipette.

5. The pipette placement stand according to claim 3, characterized in that: The slot portion (211) is provided with a recessed groove portion (2111) along the width direction of the frame (1); the insertion plate portion (221) is provided with a recessed plate portion (2211) at a position corresponding to the recessed groove portion (2111); the recessed plate portion (2211) is slidably inserted into the recessed groove portion (2111); the recessed plate portion (2211) and the recessed groove portion (2111) are inserted into each other to form a receiving groove; the reset member (23) is located in the receiving groove; and the two ends of the reset member (23) are respectively connected to the two ends of the receiving groove along the width direction of the frame (1).

6. The pipette placement stand according to any one of claims 1 to 5, characterized in that: It also includes a limiting member (3), a plurality of the limiting members (3) are provided, and the limiting members (3) correspond one to one with the clamping assembly (2), the limiting member (3) is provided on the frame (1), and a limiting groove (31) is provided on the limiting member (3), which is suitable for limiting one end of the pipette away from the clamping assembly (2).

7. The pipette placement stand according to any one of claims 2 to 5, characterized in that: The reset member (23) is a spring.

8. The pipette placement stand according to claim 6, characterized in that: The frame (1) comprises: Base (11); An inclined plate (12), the inclined plate (12) being arranged obliquely, the inclined plate (12) comprising a plate groove (121) and a slide plate (122), the slide plate (122) being plugged into the plate groove (121) along the width direction of the frame (1), and the plate groove (121) being connected to the base (11); Wherein, a first transverse groove (123) is provided on the inclined plate (12) along the width direction of the frame (1), a part of the first transverse groove (123) is located on the plate groove (121), and another part of the first transverse groove (123) is located on the slide plate (122); a plurality of the clamping assemblies (2) are connected to the first transverse groove (123) through a connecting piece and can be disassembled, and the length of the first transverse groove (123) can be changed with the plug-in position of the slide plate (122) and the plate groove (121).

9. The pipette placement stand according to claim 8, characterized in that: A second transverse groove (124) is provided on the inclined plate (12) along the width direction of the frame (1), and the second transverse groove (124) is located between the first transverse groove (123) and the base (11), a part of the second transverse groove (124) is located on the plate groove (121), and another part of the second transverse groove (124) is located on the slide plate (122); a plurality of the limiting members (3) are connected to the second transverse groove (124) through a connecting member and can be disassembled, and the length of the second transverse groove (124) can be changed with the plug-in position of the slide plate (122) and the plate groove (121).

10. The pipette placement stand according to claim 8, characterized in that: A plurality of drawers (111) are arranged side by side on the base (11) along the width direction of the frame (1); And / or, a plurality of waste liquid tanks (112) are provided on the base (11), and the plurality of waste liquid tanks (112) correspond to the clamping assembly (2) and are suitable for recovering waste liquid discharged by the pipette.

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