Multi-channel pipette tip

Abstract

The utility model mainly relates to general chemical or physical experiment equipment, in particular to a multi-channel pipette tip, which comprises a mounting shell with the top communicated with a pipette, linearly arranged mounting holes are arranged at the bottom of the mounting shell, pipette tip bodies are inserted into the mounting holes, first fixing rings are arranged on the pipette tip bodies, and the pipette tip bodies are provided with second fixing rings. Every two adjacent first fixing rings are fixedly connected through a first connecting piece. Mounting rings are arranged on the pipette tip bodies located at the two ends, the side walls of the mounting rings are fixedly connected with one ends of L-shaped rods, the other ends of the L-shaped rods are matched with inserting grooves formed in the bottoms of the mounting shells, sliding grooves are formed in one sides of the inserting grooves in a communicating mode, movable rods are slidably mounted in the sliding grooves, and clamping blocks are fixedly mounted at one ends of the movable rods; and the other end of the movable rod extends to the outer side of the mounting shell and is provided with a handle, a spring is arranged on the movable rod, and the two ends of the spring are connected with the mounting shell and the handle correspondingly.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to general chemical or physical experiment equipment, concretely relates to a multichannel pipette suction head. BACKGROUND

[0002] The multichannel pipette is a kind of efficient laboratory tool, and liquid is simultaneously and accurately distributed through multiple independent channels, and is widely used in medical science, scientific research, environmental monitoring and other fields, and its working principle is based on air pressure change, has ergonomic design, provides multiple models to meet different experimental needs, and the multichannel pipette can significantly improve experimental efficiency, reduce operation error and ensure result consistency, especially plays an important role in molecular biology experiment, cell culture, ELISA experiment, chemical synthesis and clinical diagnosis, and attention should be paid to calibration, correct operation and cleaning and maintenance when using, to ensure the accuracy and reliability of experimental results.

[0003] The multichannel pipette needs to be installed with pipette suction head in each channel, and the existing installation mode mostly adopts threaded connection, which is stable, firm and good in sealing, but only one pipette suction head can be installed each time, so it needs to consume long time to install, and the labor intensity is also large. UTILITY MODEL CONTENTS

[0004] 1. The technical problem to be solved by the utility model is:

[0005] The utility model provides a multichannel pipette suction head to solve the technical problems in the above background.

[0006] 2. Technical scheme:

[0007] To achieve the above purpose, the utility model provides a technical scheme: a multichannel pipette suction head, which comprises an installation shell connected with a pipette at the top, a linearly arranged installation hole is formed in the bottom of the installation shell, a pipette suction head body is inserted into each installation hole, a first fixing ring is arranged on each pipette suction head body, and the first fixing rings between adjacent two first fixing rings are fixedly connected through a first connecting piece.

[0008] The pipette suction head bodies at both ends are provided with mounting rings, the side wall of the mounting ring is fixedly connected with one end of an L-shaped rod, the other end of the L-shaped rod is matched with a slot formed in the bottom of the installation shell, a sliding groove is arranged on one side of the slot, a movable rod is slidably installed in the sliding groove, a clamping block is fixedly installed at one end of the movable rod, the clamping block is matched with a clamping groove formed in the L-shaped rod, the other end of the movable rod extends to the outside of the installation shell and is provided with a handle, a spring is arranged on the movable rod, and the two ends of the spring are connected with the installation shell and the handle respectively.

[0009] Further, the end of the card block is provided with a slope, which is inclined upward along the clamping direction of the card block and the card slot.

[0010] Further, the first fixing ring is adjacent to the top of the pipette tip body, and the pipette tip body is provided with a second fixing ring adjacent to the bottom, and the adjacent two second fixing rings are fixedly connected through a second connecting piece.

[0011] Further, the mounting hole inner wall is provided with an embedded groove, and the embedded groove is provided with a first sealing ring, and the first sealing ring is matched with a first sealing groove formed in the pipette tip body side wall.

[0012] Further, the first fixing ring top is provided with a second sealing groove, and the second sealing groove is matched with a second sealing ring arranged at the pipette tip body bottom.

[0013] 3. Beneficial effects:

[0014] Compared with the prior art, the technical scheme has the following beneficial effects: after the plurality of pipette tip bodies are inserted into the mounting holes matched therewith, the vertical part of the L-shaped rod is inserted into the insertion slot, and then the spring force is matched, so that the card block is clamped into the card slot, thereby locking the vertical part of the L-shaped rod in the insertion slot, and locking the pipette tip body in the mounting hole, so that the installation of the plurality of pipette tip bodies can be simply and quickly completed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a whole cut structure schematic view of the utility model;

[0017] Figure 3 It is a pipette tip body connecting structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 2 enlarged structure schematic view of A in the utility model;

[0019] Figure 5 It is a Figure 2 enlarged structure schematic view of B in the utility model;

[0020] Figure 6 It is a Figure 2 enlarged structure schematic view of C in the utility model.

[0021] REFERENCE SIGNS:

[0022] 1, mounting shell; 101, mounting hole; 102, slot; 103, sliding slot; 104, embedded groove; 2, pipette tip body; 201, first sealing groove; 3, first fixed ring; 301, second sealing groove; 4, first connecting piece; 5, mounting ring; 6, L-shaped rod; 601, clamping groove; 7, movable rod; 8, clamping block; 801, slope; 9, handle; 10, spring; 11, second fixed ring; 12, second connecting piece; 13, first sealing ring; 14, second sealing ring. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0027] Referring to the accompanying Figures 1-6The utility model provides a kind of multichannel pipette suction head, including the installation shell 1 that top is connected with pipette, the bottom of the installation shell 1 is equipped with linearly arranged installation hole 101, the pipette suction head body 2 is inserted in the installation hole 101, first fixed ring 3 is all arranged on the pipette suction head body 2, and first connecting piece 4 is fixedly connected between two adjacent first fixed rings 3.

[0028] The installation ring 5 is arranged on the pipette suction head body 2 at both ends, the side wall of the installation ring 5 is fixedly connected with one end of L-shaped rod 6, the other end of the L-shaped rod 6 is matched with the slot 102 opened in the bottom of the installation shell 1, the slot 103 is communicated on one side of the slot 102, the movable rod 7 is slidably installed in the slot 103, the clamping block 8 is fixedly installed on one end of the movable rod 7, the clamping block 8 is matched with the clamping groove 601 opened on the L-shaped rod 6, the other end of the movable rod 7 extends to the outside of the installation shell 1 and is provided with a handle 9, the spring 10 is arranged on the movable rod 7, and the two ends of the spring 10 are connected with the installation shell 1 and the handle 9 respectively.

[0029] In the embodiment, the first fixed ring 3 cooperates with the first connecting piece 4 to fix the plurality of pipette suction head bodies 2 side by side, so after one of the pipette suction head bodies 2 is inserted into the installation hole 101 matched therewith, the remaining pipette suction head bodies 2 are also inserted into the installation holes 101 matched therewith simultaneously, the vertical part of the L-shaped rod 6 is inserted into the slot 102, and the spring 10 is matched with the elastic force, so as to drive the movable rod 7 to slide in the slot 103, so that the clamping block 8 is clamped into the clamping groove 601, so as to lock the vertical part of the L-shaped rod 6 in the slot 102, and the pipette suction head body 2 is also locked in the installation hole 101, so as to simply and quickly complete the installation of the plurality of pipette suction head bodies 2.

[0030] The end of the clamping block 8 is provided with a slope 801, which is inclined upward along the clamping direction of the clamping block 8 and the clamping groove 601.

[0031] In the embodiment, when the vertical part of the L-shaped rod 6 is inserted into the slot 102, the slope 801 is matched, the clamping block 8 is pushed outward and the spring 10 is pulled, and when the clamping groove 601 coincides with the clamping block 8, the elastic force of the spring 10 drives the clamping block 8 to be clamped into the clamping groove 601.

[0032] The first fixed ring 3 is close to the top of the pipette suction head body 2, the second fixed ring 11 is arranged on the pipette suction head body 2 close to the bottom, and the second connecting piece 12 is fixedly connected between two adjacent second fixed rings 11.

[0033] In the embodiment, the plurality of pipette tip bodies 2 are connected by the first connecting member 4 through the cooperation of the first fixing ring 3, and then connected by the second connecting member 12 through the cooperation of the second fixing ring 11, so as to improve the stability after connection.

[0034] The embedding groove 104 is arranged in the inner wall of the mounting hole 101, and the first sealing ring 13 is arranged in the embedding groove 104.

[0035] The second sealing groove 301 is arranged in the top of the first fixing ring 3, and the second sealing ring 14 arranged in the bottom of the pipette tip body 2 is matched with the second sealing groove 301.

[0036] In the embodiment, the first sealing ring 13 and the first sealing groove 201 are matched, and the second sealing ring 14 and the second sealing groove 301 are matched, so as to improve the sealing performance after the pipette tip body 2 and the mounting hole 101 are connected.

[0037] The above embodiment only expresses a certain embodiment of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range; it should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model; therefore, the protection range of the utility model patent should be subject to the appended claims.

[0038] It should be noted that the above content belongs to the technical cognition range of the inventor, and since the technical content in the art is vast and complex, the above content of the application does not necessarily constitute the prior art.

Claims

1. A multichannel pipette tip, characterized by: The utility model provides a pipette tip installation shell, including the installation shell (1) that top is connected with pipette, the bottom of installation shell (1) is provided with linearly arranged mounting hole (101), the mounting hole (101) all inserts pipette tip body (2) with, first fixed ring (3) is all arranged on pipette tip body (2), and the first fixed ring (3) between adjacent two is fixedly connected through first connecting piece (4); The installation ring (5) side wall and the one end of L-shaped rod (6) are fixedly connected, the other end of L-shaped rod (6) and the slot (102) of installation shell (1) bottom are matched with each other, the one side of slot (102) is connected with the sliding slot (103) of communication, the sliding slot (103) is slidably installed with movable rod (7), one end of movable rod (7) is fixedly installed with the clamping block (8), the clamping block (8) and the slot (601) of L-shaped rod (6) are matched with each other, the other end of movable rod (7) extends to the outside of installation shell (1) and is provided with handle (9), spring (10) is arranged on movable rod (7), and the both ends of spring (10) are connected with installation shell (1) and handle (9) respectively.

2. A multichannel pipette tip as defined in claim 1, characterized in that: The end of clamping block (8) is provided with slope (801), and the slope (801) is inclined upward along the direction of clamping of clamping block (8) and slot (601).

3. The multi-channel pipette tip of claim 1, wherein: The first fixed ring (3) is close to the top of pipette tip body (2), and the second fixed ring (11) is arranged close to the bottom of pipette tip body (2), and the second fixed ring (11) is fixedly connected through the second connecting piece (12) between adjacent two.

4. The multi-channel pipette tip of claim 1, wherein: The embedding groove (104) is arranged in the inner wall of mounting hole (101), the first sealing ring (13) is arranged in embedding groove (104), and the first sealing groove (201) is arranged in the side wall of pipette tip body (2).

5. The multi-channel pipette tip of claim 1, wherein: The second sealing groove (301) is arranged in the top of first fixed ring (3), and the second sealing groove (301) is matched with the second sealing ring (14) arranged in the bottom of pipette tip body (2).

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