Pipette head

Abstract

The utility model provides a pipette head, which relates to the technical field of pipette accessories and comprises a first pipe body, a second pipe body is arranged at the bottom of the first pipe body, an annular groove is formed in the outer surface of the first pipe body, a plurality of mounting blocks are arranged on the inner surface of the annular groove at equal intervals, and iron wires are arranged on the inner surfaces of the mounting blocks; during use, the annular groove is formed in the outer surface of the first pipe body, the mounting blocks are arranged on the inner surface of the annular groove at equal intervals, and the iron wires are arranged at the bottoms of the mounting blocks, so that the orientation of the second pipe body can be changed after the first pipe body is bent and the iron wires are forced to deform and bend; the pipette tip is simple in structure and convenient to operate, liquid is sucked and discharged at the corners of the wall of the culture pond, the pipette tip can adapt to different pipetting conditions, a worker can conveniently adjust the shape of the pipette tip according to pipetting requirements, the situation that the pipetting speed is affected due to the fact that an elbow or a straight pipe type pipette tip needs to be frequently replaced in the pipetting process is avoided, and the pipetting efficiency of the pipette is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipette accessory technical field especially, relate to a pipette tip. BACKGROUND

[0002] With the progress of society and economic development, pipette tip as a kind of pipette, it is often used to move a small amount or trace amount of liquid in laboratory, different specifications of pipette need to be used with the corresponding size of pipette tip.

[0003] In prior art, such as Chinese patent CN215917448U elbow pipette tip, it includes pipette, the lower part of the pipette is installed with pipette tip, the pipette tip includes connecting part, sealing part, liquid storage part and liquid suction part, the connecting part, sealing part, liquid storage part and liquid suction part are sequentially communicated and fixedly connected from top to bottom, the left side of the outer side wall of the pipette tip is fixedly connected with sealing mechanism through traction line, the left side of the outer side wall of the pipette is fixedly connected with buckle, the utility model relates to test instrument technical field.The elbow pipette tip solves the problem that the existing pipette tip is not convenient to collect the cells in the edge corner of culture pool and the pipette is generally exposed to air to affect the experimental results.

[0004] In the above patent, although the liquid suction part is provided with an elbow, it can be more convenient to blow and beat the cells growing on the edge zone of the culture pool wall, and the cell collection rate is improved, but when the pipette needs to switch between vertical liquid suction and discharge of the culture pool and corner liquid suction and discharge of the culture pool wall, different types of pipette tips need to be selected and replaced during the pipetting process, and frequent replacement of pipette tips will affect the pipetting speed, and thus reduce the pipetting efficiency, therefore, a new type of pipette tip needs to be proposed. UTILITY MODEL CONTENT

[0005] The utility model mainly provides a pipette tip which can change the direction of the pipette tip conveniently and avoid the influence of frequent replacement of different types of tips on pipetting efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipette tip, comprising: a first pipe body, a second pipe body is arranged at the bottom of the first pipe body, an annular groove is formed in the outer surface of the first pipe body, a plurality of mounting blocks are equidistantly arranged on the inner surface of the annular groove, and iron wires are arranged on the inner surfaces of the mounting blocks.

[0007] Preferably, the second pipe body is conical, and the first pipe body and the second pipe body are in communication, which facilitates the suction of liquid through the small-section port at the bottom of the second pipe body.

[0008] Preferably, the top of the first tube body is provided with a connector, which is in communication with the first tube body, facilitating the liquid to enter the first tube body and the second tube body under the action of negative pressure force when the pipette is used.

[0009] Preferably, the inner surface of the connector is provided with threads, and the outer diameter of the connector is greater than the outer diameter of the first tube body, facilitating the threaded connection of the connector with the pipette with threaded connector, and increasing the connection effect.

[0010] Preferably, the first tube body and the second tube body are transparent, facilitating the personnel to visually observe the liquid quantity inside the first tube body and the second tube body.

[0011] Compared with the prior art, the pipette head has the advantages and positive effects that,

[0012] 1. In the utility model, when in use, the annular groove is arranged on the outer surface of the first tube body, a plurality of mounting blocks are equidistantly arranged on the inner surface of the annular groove, and the bottom of each mounting block is provided with a wire. The first tube body can be bent, the plurality of wires are forced to deform and bend, the orientation of the second tube body is changed, the liquid suction and discharge operations on the corner positions of the culture pool wall can be performed, different pipetting conditions can be adapted to, the personnel can adjust the shape of the pipette head according to the pipetting requirement, the need for frequently replacing the elbow or straight pipe type pipette head in the pipetting process is avoided, the pipetting speed is not affected, and the pipetting efficiency of the pipette is improved.

[0013] 2. In the utility model, when in use, the communication connector is fixed on the top of the first tube body, and threads are arranged in the inside of the communication connector, so that the communication connector can be connected with the pipette in the threaded connection mode, the traditional straight clamping connection is avoided, the pipette head is not dropped due to collision during extraction, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A perspective view of the pipette head is provided for the utility model;

[0015] Figure 2 A bottom view of the pipette head is provided for the utility model;

[0016] Figure 3 A mounting block structure schematic view of the pipette head is provided for the utility model.

[0017] LEGEND: 1, first tube body; 2, second tube body; 3, annular groove; 4, connector; 5, thread; 6, mounting block; 7, wire. DETAILED DESCRIPTION

[0018] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced without the specific details, which are different from the description, and therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0020] Please refer to Figures 1-3 The present application provides a technical solution: a pipette tip, comprising: a first tube body 1, the bottom of the first tube body 1 is provided with a second tube body 2, the outer surface of the first tube body 1 is provided with an annular groove 3, the inner surface of the annular groove 3 is provided with a plurality of mounting blocks 6, and the inner surface of the plurality of mounting blocks 6 is provided with an iron wire 7.

[0021] As Figures 1-2 shown, the second tube body 2 is conical, the first tube body 1 and the second tube body 2 are in communication, which facilitates the use of the small cross-section port at the bottom of the second tube body 2 to suck liquid.

[0022] As Figures 1-2 shown, the top of the first tube body 1 is provided with a connector 4, the connector 4 and the first tube body 1 are in communication, which facilitates the use of the pipette under the action of negative pressure suction, and the liquid can enter the first tube body 1 and the second tube body 2.

[0023] As Figure 1 shown, the inner surface of the connector 4 is provided with a thread 5, the outer diameter of the connector 4 is greater than the outer diameter of the first tube body 1, which facilitates the use of the thread 5 and the threaded connector of the pipette to increase the connection effect.

[0024] As Figures 1-2 shown, the first tube body 1 and the second tube body 2 are transparent, which facilitates personnel to visually observe the liquid quantity inside the first tube body 1 and the second tube body 2.

[0025] The method for using the device and the working principle: when the pipette tip is used, a communication liquid storage cavity is formed by the transparent first tube body 1 and the second tube body 2, the conical second tube body 2 is arranged, the liquid can be sucked through the small cross-section port at the bottom of the second tube body 2, the liquid can flow into the first tube body 1 and the second tube body 2 for storage and use, the annular groove 3 is arranged on the outer surface of the second tube body 2, the inner surface of the annular groove 3 is equidistantly provided with a plurality of mounting blocks 6, the mounting blocks 6 and the first tube body 1 are made of soft material, the inner surfaces of the plurality of mounting blocks 6 are provided with iron wires 7, the second tube body 2 can be bent according to the pipetting requirement, the plurality of iron wires 7 are deformed and bent, the orientation of the second tube body 2 is changed, the edge and corner positions of the culture tank wall can be better sucked and discharged, and when the culture tank needs to be vertically sucked and discharged, the first tube body 1 is manually bent in the opposite direction, the plurality of iron wires 7 are vertically reset, the shape of the pipette tip can be adjusted according to the pipetting requirement, the straight pipe type pipette tip needs to be frequently replaced during pipetting, and the pipetting speed is affected, the communication connector 4 is fixed at the top of the first tube body 1, the screw thread 5 is arranged in the inside, the screw thread connection mode is used to connect with the pipette, the pipette tip is not dropped due to collision during extraction in the traditional straight clamping connection, and the practicability is high.

[0026] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A pipette tip, characterized in that, The utility model relates to a kind of pipe body and connecting head, including: First pipe body (1), the bottom of the first pipe body (1) is provided with second pipe body (2), the outer surface of the first pipe body (1) is opened with annular groove (3), the inner surface of the annular groove (3) is equidistantly provided with multiple mounting blocks (6), the inner surface of multiple mounting blocks (6) is provided with iron wire (7).

2. The pipette tip of claim 1, wherein: The second pipe body (2) is conical, and the first pipe body (1) is in communication with the second pipe body (2).

3. The pipette tip of claim 2, wherein: The top of the first pipe body (1) is provided with a connecting head (4), and the connecting head (4) is in communication with the first pipe body (1).

4. The pipette tip of claim 3, wherein: The inner surface of the connecting head (4) is provided with a thread (5), and the outer diameter of the connecting head (4) is greater than the outer diameter of the first pipe body (1).

5. The pipette tip of claim 4, wherein: The first pipe body (1) and the second pipe body (2) are transparent.

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