CN213193739U

CN213193739U - Pipette tip with anti-pollution effect

Info

Publication number: CN213193739U
Application number: CN202021947841.0U
Authority: CN
Inventors: 詹雷雷; 骆锟
Original assignee: Qitai Herui Biotechnology Wuhan Co ltd
Current assignee: Qitai Herui Biotechnology Wuhan Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-14
Anticipated expiration: 2030-09-08

Abstract

The application discloses liquid-transfering gun head with anti-pollution effect, including liquid storage area, spherical buffer area, imbibition mouth, cylinder sealing washer, round hole, buffer block, air flue, rifle head, anti-skidding rubber sleeve, stop block and prevention of seepage board. This application is rational in infrastructure, block the piece through fixing mounting in rifle head bottom, connect the stock solution district in the bottom that blocks the piece, through seting up the air flue in the buffer block is inside, set up the round hole in the middle part of the cylindrical seal circle, when the experimenter uses the pipetting gun to get liquid, inhale the stock solution district with liquid from the pipetting mouth through pressure differential, when suction is too violent, will inhale unnecessary liquid buffer in spherical buffer zone, thereby avoid inhaling inside the pipetting gun with liquid through setting up the buffer block, thereby cause the pipetting gun to pollute and cause the waste of trace pipetting gun equipment.

Description

Pipette tip with anti-pollution effect

Technical Field

The application relates to a pipette tip used by a pipette gun, in particular to a pipette tip with an anti-pollution effect.

Background

The pipette tip is a device sleeved at the end part of the pipette tip, is a consumable material with large usage amount in the fields of chemistry, biology, medical treatment and the like, is matched with the pipette tip for use in transferring a small amount of or trace liquid in a laboratory, and has certain defects in the existing pipette tip.

In current structural design, the inner wall of pipette head is smooth, frictional force between pipette head and the pipette head is little, and need overlap the tip of pipette head in the inside of pipette head, lead to the leakproofness between pipette head and the pipette head poor, the phenomenon that the weeping phenomenon or pipette head drop from the pipette head can take place after absorbing liquid, this all can cause the pollution of liquid, the experimental result accuracy is poor, when the imbibition is too violent hard, can inhale the linking department of pipette head and pipette head with liquid, even in the pipette head, linking department is the position that does not disinfect or has infected with other liquid, cause the pollution of pipette head, thereby cause the equipment extravagant. Accordingly, a pipette tip having an anti-contamination effect is proposed in view of the above problems.

Disclosure of Invention

A pipette tip with an anti-pollution effect comprises a liquid storage area, a spherical buffer area, a liquid suction port, a buffer block, a stop block and an anti-seepage plate;

the bottom surface that blocks the piece is passed in the top clearance in liquid storage district, the bottom of the top fixed connection rifle head of blocking the piece, the bottom inner wall lug embedding of rifle head is in the inside of cylindrical seal circle, the round hole is seted up at the well inside center of cylindrical seal circle, the bottom wall of buffer block closely laminates on the inner wall of rifle head, the inside outer wall surface at the buffer block of closely laminating in the top of rifle head, the air flue is seted up at the inside center of buffer block, block that the spherical buffer zone is seted up at the inside center of piece, the imbibition mouth is seted up to the bottom in liquid storage district, just the inside in liquid storage district sets up for the cavity, the inside spherical buffer zone of block is blockked in the inside cavity intercommunication in liquid storage district.

Further, the outer wall surface of the gun head is fixedly sleeved on the inner wall of the anti-skid rubber sleeve.

Furthermore, the air passage, the spherical buffer area, the round hole and the opening point of the liquid suction opening are arranged on the same vertical central line.

Further, the buffer block may be movable upward inside the lance tip.

Furthermore, the liquid storage area, the gun head and the blocking block are all made of transparent medical plastics.

Furthermore, the cylindrical sealing ring, the buffer block and the anti-skid rubber sleeve are made of medical rubber materials.

Furthermore, an anti-seepage plate is fixedly arranged on the inner wall of the bottom end of the liquid storage area, and a plurality of small holes are uniformly distributed on the top surface of the anti-seepage plate.

The beneficial effect of this application is: the application provides a liquid-transfering gun head with anti-pollution effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is a schematic sectional elevational view of one embodiment of the present application;

fig. 3 is a schematic front view of an embodiment of the present application.

In the figure: 1. the device comprises a liquid storage area, 2, a spherical buffer area, 3, a liquid suction port, 4, a cylindrical sealing ring, 5, a round hole, 6, a buffer block, 7, an air passage, 8, a gun head, 9, an anti-skid rubber sleeve, 10, a blocking block, 11 and an anti-seepage plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a pipette tip with anti-contamination effect comprises a liquid storage area 1, a spherical buffer area 2, a liquid suction port 3, a buffer block 6, a barrier block 10 and an anti-seepage plate 11;

the top end gap of the liquid storage area 1 penetrates through the bottom surface of the blocking block 10, the top end of the blocking block 10 is fixedly connected with the bottom end of a gun head 8, a convex block on the inner wall of the bottom end of the gun head 8 is embedded into the cylindrical sealing ring 4, a round hole 5 is formed in the center of the middle inner part of the cylindrical sealing ring 4, the bottom end wall surface of the buffering block 6 is tightly attached to the inner wall of the gun head 8, the top end inner part of the gun head 8 is tightly attached to the outer wall surface of the buffering block 6, an air passage 7 is formed in the center of the inner part of the buffering block 6, a spherical buffering area 2 is formed in the center of the inner part of the blocking block 10, a liquid suction port 3 is formed in the bottom end of the liquid storage area 1, the inner part of the liquid storage area 1 is arranged in a cavity;

the surface of the outer wall of the gun head 8 is fixedly sleeved on the inner wall of an anti-skid rubber sleeve 9, opening points of the air passage 7, the spherical buffer area 2, the round hole 5 and the liquid suction port 3 are arranged on the same vertical central line, the buffer block 6 can move upwards in the gun head 8, the liquid storage area 1, the gun head 8 and the barrier block 10 are all made of transparent medical plastics, the cylindrical sealing ring 4, the buffer block 6 and the anti-skid rubber sleeve 9 are made of medical rubber materials, an anti-seepage plate 11 is fixedly arranged on the inner wall of the bottom end of the liquid storage area 1, and a plurality of small holes are uniformly distributed on the top surface of the anti-seepage plate 11;

when the liquid transferring gun is used, firstly, the anti-slip rubber sleeve 9 is fixedly sleeved on the surface of the outer wall of the gun head 8, then the anti-slip rubber sleeve 9 is inserted into the inner wall of the liquid transferring gun, so that the sealing performance is ensured, the gun head 8 is prevented from falling off from the inside of the liquid transferring gun to cause liquid pollution, the round hole 5 is formed in the center of the cylindrical sealing ring 4 by embedding the cylindrical sealing ring 4 into the inner wall of the gun head 8, so that the sealing performance during liquid transferring is ensured, the top end of the liquid storage area 1 is connected to the bottom surface of the blocking block 10, the liquid sucking port 3 is formed at the bottom end of the liquid storage area 1, so that liquid is sucked into the inside of the liquid storage area 1 through the liquid sucking port 3, when the suction force is too strong, the spherical buffer area 2 is formed in the blocking block 10, so that redundant liquid is cached into the spherical buffer area 2, and the surface of the outer wall at the bottom end of the buffer block 6, buffer block 6 can upwards move in rifle head 8's inside, thereby play the buffering, then air flue 7 is seted up in buffer block 6's inside, in order to avoid unnecessary inspiratory liquid to inhale the inside of pipetting gun from rifle head 8, thereby cause the pollution and the waste of pipetting gun, through holding the wall that blocks piece 10, then extract rifle head 8 from pipetting gun inside, thereby the experimenter accomplishes the work of moving the liquid, through fixed prevention of seepage plate 11 that sets up on the inner wall of stock solution district 1, thereby the inside pressure differential of balanced stock solution district 1, in order to avoid the inside liquid seepage of stock solution district 1.

The application has the advantages that:

1. for the accuracy nature of experimental result, at first through cup jointing the rifle head outer wall at the inner wall of liquid-transfering gun, through fixing the cup joint inside the antiskid rubber sleeve in rifle head outer wall surface, produce pressure differential when the experimenter presses the liquid-transfering gun handle, thereby guarantee the leakproofness of rifle head in the liquid-transfering gun inside, prevent simultaneously that the rifle head from coming off from the liquid-transfering gun inside and causing the pollution liquid pollution, influence the accuracy nature of experimental result, block the piece in rifle head bottom fixed mounting, block the piece through holding between the fingers after liquid-transfering work finishes and take out the rifle head from the liquid-transfering gun inside.

2. This application is rational in infrastructure, block the piece through fixing mounting in rifle head bottom, connect the stock solution district in the bottom that blocks the piece, through seting up the air flue in the buffer block is inside, set up the round hole in the middle part of the cylindrical seal circle, when the experimenter uses the pipetting gun to get liquid, inhale the stock solution district with liquid from the pipetting mouth through pressure differential, when suction is too violent, will inhale unnecessary liquid buffer in spherical buffer zone, thereby avoid inhaling inside the pipetting gun with liquid through setting up the buffer block, thereby cause the pipetting gun to pollute and cause the waste of trace pipetting gun equipment.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a pipette tip with anti-pollution effect which characterized in that: comprises a liquid storage area (1), a spherical buffer area (2), a liquid suction port (3), a buffer block (6), a stop block (10) and an anti-seepage plate (11);

the top end gap of the liquid storage area (1) penetrates through the bottom surface of the blocking block (10), the top end of the blocking block (10) is fixedly connected with the bottom end of the gun head (8), the convex block on the inner wall of the bottom end of the gun head (8) is embedded in the cylindrical sealing ring (4), a round hole (5) is formed in the center of the middle inner part of the cylindrical sealing ring (4), the wall surface of the bottom end of the buffer block (6) is tightly attached to the inner wall of the gun head (8), the top end of the lance head (8) is tightly attached to the surface of the outer wall of the buffer block (6), an air passage (7) is arranged at the center of the inner part of the buffer block (6), a spherical buffer area (2) is arranged at the center of the inner part of the barrier block (10), a liquid suction port (3) is arranged at the bottom end of the liquid storage area (1), and the inside of the liquid storage area (1) is a cavity, and the cavity inside the liquid storage area (1) is communicated with the spherical buffer area (2) inside the barrier block (10).

2. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the outer wall surface of the gun head (8) is fixedly sleeved on the inner wall of the anti-skid rubber sleeve (9).

3. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the air passage (7), the spherical buffer area (2), the round hole (5) and the opening point of the liquid suction port (3) are arranged on the same vertical central line.

4. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the buffer block (6) can move upwards in the gun head (8).

5. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the liquid storage area (1), the gun head (8) and the blocking block (10) are all made of transparent medical plastics.

6. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the cylindrical sealing ring (4), the buffer block (6) and the anti-slip rubber sleeve (9) are made of medical rubber materials.

7. A pipette tip having an anti-contamination effect according to claim 1, characterized in that: the bottom end inner wall of the liquid storage area (1) is fixedly provided with an anti-seepage plate (11), and a plurality of small holes are uniformly distributed on the top surface of the anti-seepage plate (11).