Pipettor convenient to use
By designing a removable finger sleeve and magnet-connected handle on the pipette, the finger fatigue and slipping problems of traditional pipettes are solved, achieving convenient long-term grip and stable operation.
Patent Information
- Application Number
- CN202420467739.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-03-11
AI Technical Summary
The support part of the traditional pipette is simple, which causes the user to get tired of his fingers after holding them for a long time, which makes it easy to slide down or operate errors.
A pipette body, handle, suction rod and removable finger sleeve are designed, and the handle and finger sleeve are connected by magnets. The fingers can be inserted into the finger sleeve for support, reducing the Bend your fingers to increase grip comfort.
It effectively avoids slipping and operating errors, improves the convenience of use, allows stable grip during long-term use, and reduces finger fatigue.
Smart Images
Figure CN222219618U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipettes, in particular to a pipette which is convenient to use. Background Art
[0002] The cell supernatant is a transparent liquid in the upper layer of the sediment in the blood fractionation test. It is composed of plasma and is also called the clear liquid layer. During the cell culture process, it is often necessary to use a pipette to transfer the cell supernatant. The traditional pipette includes an aspiration part and a support part, and the support part is connected to the aspiration part, wherein the aspiration part includes a nozzle for aspirating the cell supernatant, and the support part protrudes upward for the convenience of the user to hold. However, since it takes a long time to aspirate and transfer the cell supernatant, the support part of the existing pipette is relatively simple. After the user holds the pipette for a long time, the fingers are in a bent state for a long time, which is easy to form finger fatigue, which can easily cause problems such as slipping or operating errors. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a convenient-to-use pipette, which can be convenient for users to hold for a long time, thereby avoiding problems such as slipping or operating errors.
[0004] In order to solve the above technical problems, the utility model provides a convenient-to-use pipette, comprising a pipette body, a handle connected to one end of the pipette body, and a suction rod connected to the other end of the pipette body, the pipette body being provided with a connecting rod, the handle being arranged on the connecting rod, the pipette body being further provided with a plug connector, the suction rod being plugged into the plug connector.
[0005] It also includes a finger sleeve. The handle is provided with a connecting mechanism, and the finger sleeve is detachably fixed to the handle through the connecting mechanism.
[0006] As an improvement of the above solution, the connection mechanism includes a plurality of protrusions, and the plurality of protrusions protrude from the surface of the handle.
[0007] As an improvement of the above solution, the finger sleeve includes a connecting portion, a limiting hole is provided on the connecting portion, the position of the limiting hole corresponds to the position of the protrusion, and the protrusion can be embedded in the limiting hole.
[0008] As an improvement of the above solution, the protrusions are arranged longitudinally, and the number of the limiting holes is equal to the number of the protrusions in the same longitudinal column.
[0009] As an improvement of the above solution, a magnet is provided in the limiting hole and / or in the protrusion, and the protrusion and the limiting hole can form a magnetic connection.
[0010] As an improvement of the above solution, a through suction hole is provided in the suction rod, the interior of the plug connector is hollow, and the suction hole is connected to the interior of the pipette body through the plug connector.
[0011] As an improvement of the above solution, a plurality of limiting grooves are provided on the outer wall of the plug connector, a sealing ring is provided in the limiting groove, the inner side of the sealing ring abuts against the limiting groove, and the outer side of the sealing ring abuts against the side wall of the suction hole.
[0012] As an improvement of the above scheme, the sealing ring includes a fixing portion and a sealing portion, wherein the fixing portion is located on the inner side of the sealing ring, protrudes toward the center of the plug connector and is inserted into the limiting groove, and the sealing portion is located on the outer side of the sealing ring, and abuts against the side wall of the suction hole.
[0013] As an improvement of the above solution, the finger sleeve further includes a gripping portion, which is arranged on a side of the connecting portion, and is provided with gripping holes, and the number of the gripping holes is 3 or 4.
[0014] The implementation of this utility model has the following beneficial effects:
[0015] The utility model discloses a convenient-to-use pipette, which is provided with a pipette body, a handle, a suction rod and a finger sleeve, wherein the pipette body and the suction rod are used to suck cell supernatant, and the pipette body is provided with a connecting rod, the handle is provided on the connecting rod, and the handle is provided with a connecting mechanism, through which the finger sleeve can be detachably fixed to the handle, and when in use, the user can insert a finger into the finger sleeve, so that when holding the handle, the user's finger does not need to be in a bent state all the time, and can be relaxed during long-term use, so that the user can hold the handle for a long time conveniently, thereby avoiding problems such as slipping or operating errors. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the convenient-to-use pipette of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the convenient-to-use pipette of the utility model after the finger sleeve is removed;
[0018] Figure 3 It is a structural schematic diagram of the finger sleeve of the utility model;
[0019] Figure 4 This is a partial structural diagram of the plug connector and the suction rod of the utility model.
[0020] Figure 5 yes Figure 4 A partial enlarged view of middle A;
[0021] Figure 6 It is a schematic diagram of the partial cross-sectional structure of the sealing ring of the utility model. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.
[0023] See also Figure 1 and Figure 2 The embodiment of the utility model discloses a convenient pipette, including a pipette body 1, a handle 2 connected to one end of the pipette body 1, and a suction rod 3 connected to the other end of the pipette body 1. The pipette body 1 is connected to an external negative pressure device, and can absorb cell supernatant through the suction rod 3. The pipette body 1 is provided with a connecting rod 11, and the handle 2 is provided on the connecting rod 11. The pipette body 1 is provided with a plug connector 12, and the suction rod 3 is plugged into the plug connector 12. Through the plug connector 12, the suction rod 3 can be detachable and replaceable, which is convenient for cleaning and maintenance. In order to facilitate users to use for a long time, the convenient pipette also includes a finger sleeve 4, and a connecting mechanism 21 is provided on the handle 2. The finger sleeve 4 is detachably fixed to the handle 2 through the connecting mechanism 21. The finger sleeve 4 can be fixed to the handle 2 for a long time, or it can be disassembled and the handle 2 can be used alone. When the handle 2 is used alone, the user utilizes friction to hold the handle 2, and needs to continuously apply gripping pressure to the handle 2, so the fingers need to be continuously bent. When the finger sleeve 4 is used, the user utilizes the supporting force between the fingers and the finger sleeve 4 to hold the handle 2. Since there is no need to use friction for a long time, the fingers do not need to be continuously bent, which can greatly facilitate long-term use by the user.
[0024] Therefore, the beneficial effects of the embodiments of the present invention are as follows:
[0025] The convenient-to-use pipette of the utility model embodiment is provided with a pipette body 1, a handle 2, a suction rod 3 and a finger sleeve 4, wherein the pipette body 1 and the suction rod 3 are used to suck cell supernatant, and the pipette body 1 is provided with a connecting rod 11, the handle 2 is arranged on the connecting rod 11, and the handle 2 is provided with a connecting mechanism 21, through which the finger sleeve 4 can be detachably fixed to the handle 2, and when in use, the user can insert the finger into the finger sleeve 4, so that when holding the handle 2, the user's fingers do not need to be in a bent state all the time by using the finger sleeve 4 to support the handle 2, and can be relaxed during long-term use, so that it is convenient for the user to hold for a long time, thereby avoiding problems such as slipping or operating errors.
[0026] Specifically, see Figure 3 The connection mechanism 21 includes a plurality of protrusions 211, and the plurality of protrusions 211 protrude from the surface of the handle 2. The protrusions 211 may be integrally formed with the handle 2, or may be separately embedded in the surface of the handle 2. In order to be connected to the handle 2, the finger sleeve 4 includes a connection portion 41, and a limiting hole 411 is provided on the connection portion 41. The position of the limiting hole 411 corresponds to the position of the protrusion 211. During installation, the protrusion 211 can be embedded in the limiting hole 411, so that the finger sleeve 4 is connected to the handle 2. In order to improve the connection strength, the number of the protrusions 211 is multiple, and the protrusions 211 are arranged longitudinally and arranged in multiple longitudinal columns. The number of the limiting holes 411 is equal to the number of the protrusions 211 in the same longitudinal column. The finger sleeve 4 can be connected to the protrusions 211 in the same longitudinal column. The connection formed by the plurality of protrusions 211 and the plurality of limiting holes 411 can improve the connection strength between the finger sleeve 4 and the handle 2.
[0027] Furthermore, a magnet is provided in the limiting hole 411 and / or in the protrusion 211, and the protrusion 211 and the limiting hole 411 can form a magnetic connection. In an embodiment of the utility model, a magnet is provided in the limiting hole 411, and the protrusion 211 is an iron block, and the magnet in the limiting hole 411 can attract the protrusion 211. In other embodiments, a magnet can be provided on the protrusion 211, and an iron block is provided in the limiting hole 411, and the limiting hole 411 and the magnet on the protrusion 211 attract each other. After the protrusion 211 forms a magnetic connection with the limiting hole 411, the connection strength between the finger sleeve 4 and the handle 2 can be further improved.
[0028] In addition, the finger sleeve 4 also includes a gripping portion 42, which is arranged on the side of the connecting portion 41. The gripping portion 42 is provided with gripping holes 421, and the number of the gripping holes 421 is 3 or 4. The user's fingers can be inserted into the gripping holes 421 to grasp the gripping portion 42.
[0029] See also Figure 4 and Figure 5 In order to achieve the absorption of liquid, a through absorption hole 31 is provided in the absorption rod 3, and the plug connector 12 is hollow inside. The absorption hole 31 is connected to the inside of the pipette body 1 through the plug connector 12. In order to fix the absorption rod 3 and prevent the absorption rod 3 from falling during use, and to improve the sealing of the absorption rod 3, a plurality of limiting grooves 121 are provided on the outer wall of the plug connector 12, and a sealing ring 5 is provided in the limiting groove 121. The inner side of the sealing ring 5 abuts against the limiting groove 121, and the outer side of the sealing ring 5 abuts against the side wall of the absorption hole 31. The sealing ring 5 can increase the friction between the absorption rod 3 and the plug connector 12, and can prevent the absorption rod 3 from falling during use. At the same time, the sealing ring 5 increases the sealing between the absorption rod 3 and the plug connector 12, and avoids liquid leakage when absorbing liquid.
[0030] Specifically, see Figure 6 The sealing ring 5 includes a fixing portion 51 and a sealing portion 52. The fixing portion 51 is located on the inner side of the sealing ring 5. The fixing portion 51 protrudes toward the center of the plug connector 12 and is inserted into the limiting groove 121. The sealing ring 5 can be inserted into the limiting groove 121 by using the protruding fixing portion 51, so as to achieve fixation. The sealing portion 52 is located on the outer side of the sealing ring 5. The sealing portion 52 abuts against the side wall of the suction hole 31. The sealing portion 52 can seal the gap between the suction rod 3 and the plug connector 12. In the embodiment of the utility model, the number of the sealing rings 5 is 3, which can greatly improve the connection strength between the suction rod 3 and the plug connector 12.
[0031] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications are also considered to be within the protection scope of the present utility model.
Claims
1. A convenient pipette, characterized in that: The pipette body comprises a pipette body, a handle connected to one end of the pipette body and a suction rod connected to the other end of the pipette body, wherein the pipette body is provided with a connecting rod, the handle is provided on the connecting rod, the pipette body is further provided with a plug connector, and the suction rod is plugged into the plug connector; It also includes a finger sleeve. The handle is provided with a connecting mechanism, and the finger sleeve is detachably fixed to the handle through the connecting mechanism.
2. The easy-to-use pipette according to claim 1, characterized in that: The connection mechanism includes a plurality of protrusions, and the plurality of protrusions protrude from the surface of the handle.
3. The easy-to-use pipette according to claim 2, characterized in that: The finger sleeve comprises a connecting portion, a limiting hole is arranged on the connecting portion, the position of the limiting hole corresponds to the position of the protrusion, and the protrusion can be embedded in the limiting hole.
4. The easy-to-use pipette according to claim 3, characterized in that: The protrusions are arranged longitudinally, and the number of the limiting holes is equal to the number of the protrusions in the same longitudinal column.
5. The easy-to-use pipette according to claim 3, characterized in that: A magnet is arranged in the limiting hole and / or in the protrusion, and the protrusion and the limiting hole can form a magnetic connection.
6. The easy-to-use pipette according to claim 1, characterized in that: A through suction hole is arranged in the suction rod, the interior of the plug connector is hollow, and the suction hole is communicated with the interior of the pipette body through the plug connector.
7. The easy-to-use pipette according to claim 6, characterized in that: A plurality of limiting grooves are arranged on the outer wall of the plug connector, a sealing ring is arranged in the limiting groove, the inner side of the sealing ring abuts against the limiting groove, and the outer side of the sealing ring abuts against the side wall of the suction hole.
8. The easy-to-use pipette according to claim 7, characterized in that: The sealing ring includes a fixing portion and a sealing portion, wherein the fixing portion is located on the inner side of the sealing ring, protrudes toward the center of the plug connector and is inserted into the limiting groove, and the sealing portion is located on the outer side of the sealing ring and abuts against the side wall of the suction hole.
9. The easy-to-use pipette according to claim 3, characterized in that: The finger sleeve also includes a gripping portion, which is arranged on the side of the connecting portion. The gripping portion is provided with gripping holes, and the number of the gripping holes is 3 or 4.