CN220294716U

CN220294716U - Laboratory waste liquid electric suction device

Info

Publication number: CN220294716U
Application number: CN202321515370.XU
Authority: CN
Inventors: 葛瑞荣; 贾瑜璐
Original assignee: Chengdu Shengyuan Medical Laboratory Co ltd
Current assignee: Chengdu Shengyuan Medical Laboratory Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-05
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of laboratory equipment, and provides an electric laboratory waste liquid suction device which comprises a liquid suction assembly, wherein the liquid suction assembly comprises a liquid suction pipe, a liquid suction nozzle, a filter screen and a pressing rod, the liquid suction nozzle comprises a vertical section and a cone section, the vertical section is in threaded connection with the bottom of the liquid suction pipe, the cone section is positioned below the vertical section, the filter screen is arranged in the vertical section and is in sliding contact with the inner wall of the vertical section, the first end of the pressing rod is fixedly connected with the inner wall of the liquid suction pipe, and the second end of the pressing rod is in contact with the top of the filter screen. According to the laboratory waste liquid electric suction device provided by the utility model, when the liquid suction nozzle is matched with the liquid suction pipe in a threaded manner, the filter screen can be pressed by the pressing rod, so that the filter screen can be kept stable in subsequent use. When the filter screen needs to be replaced, a worker can separate the liquid suction nozzle from the liquid suction pipe, and the filter screen can be directly poured out, so that the replacement is convenient.

Description

Laboratory waste liquid electric suction device

Technical Field

The utility model relates to the technical field of laboratory equipment, in particular to an electric suction device for laboratory waste liquid.

Background

Laboratories are often required to use a wide variety of test reagents to test samples, leaving a large volume of waste after testing. Because the components of the detection reagent are complex, the detection reagent is difficult to clean after being dripped on a floor or a table surface, and a lot of detection reagents easily generate toxic gas, so that the test environment can be polluted after dripping.

At present, waste liquid is generally sucked through the cooperation of a negative pressure machine and a liquid suction pipe, but some impurities are often generated in the waste liquid, and the impurities are accumulated on the inner wall of the liquid suction pipe when more impurities are generated, so that the waste liquid is difficult to clean. Although some manufacturers install a filter screen inside the pipette to isolate impurities, the installation and removal processes are complicated and the replacement is inconvenient.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an electric laboratory waste liquid suction device, so that a filter screen of the electric laboratory waste liquid suction device can be replaced conveniently.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an electronic aspirator of laboratory waste liquid, includes the imbibition subassembly, the imbibition subassembly includes pipette, imbibition mouth, filter screen and presses the pole, the imbibition mouth includes vertical section and cone section, vertical section with the bottom threaded connection of pipette, the cone section is located the below of vertical section, the filter screen setting is in vertical section, and with the inner wall sliding contact of vertical section, press the first end of pole with the inner wall fixed connection of pipette, press the second end of pole with the top contact of filter screen.

Further, the liquid suction pipe comprises a plastic belt, wherein the first end of the plastic belt is connected with the liquid suction pipe, a sealing plug is fixedly arranged at the second end of the plastic belt, and the sealing plug is matched with the outlet of the cone section.

Further, still include the slip subassembly, the slip subassembly includes guide rail, slider, iron plate and magnet, the guide rail is along vertical fixed mounting on the pipette, the slider setting is in on the guide rail, and with guide rail sliding connection, iron plate fixed mounting is in the top of pipette, magnet fixed mounting is in on the slider.

Further, a pressing ring is fixedly arranged at the second end of the pressing rod, and the pressing ring is contacted with the top of the filter screen.

Further, the filter screen is made of stainless steel materials.

Further, the guide rail is dovetail-shaped.

The utility model has the beneficial effects that: according to the laboratory waste liquid electric suction device provided by the utility model, when the liquid suction nozzle is matched with the liquid suction pipe in a threaded manner, the filter screen can be pressed by the pressing rod, so that the filter screen can be kept stable in subsequent use. When the filter screen needs to be replaced, a worker can separate the liquid suction nozzle from the liquid suction pipe, and the filter screen can be directly poured out, so that the replacement is convenient.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1

FIG. 3 is a schematic elevational view of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present utility model;

fig. 5 is a schematic perspective view of a plastic strap.

Reference numerals: 10-connecting pipe, 20-imbibition subassembly, 21-imbibition pipe, 22-imbibition mouth, 221-vertical section, 222-cone section, 23-filter screen, 24-press bar, 25-press bar, 30-slip subassembly, 31-guide rail, 32-slider, 33-iron, 34-magnet, 40-plastic tape, 41-sealing plug.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "affixed" and "fixedly attached" are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present application, it should be understood that the terms "longitudinal," "transverse," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

As shown in fig. 1 to 5, the present utility model provides an electric aspirator for laboratory waste liquid, comprising a negative pressure machine, a connection pipe 10, and a liquid suction assembly 20. The pipetting assembly 20 comprises a pipette 21, a pipette nozzle 22, a filter screen 23 and a pressing bar 24. The first end of the connection tube 10 is connected to a negative pressure port of a negative pressure machine, and the second end of the connection tube 10 is connected to the top of the pipette 21. The bottom of the pipette 21 has an internal thread.

The spout 22 includes a vertical section 221 and a conical section 222. The top of the vertical section 221 has an external thread, and the vertical section 221 is screwed with the bottom of the pipette 21. The cone section 222 is located below the vertical section 221. The screen 23 is disposed within the vertical section 221 in a lateral direction and is in sliding contact with an inner wall of the vertical section 221. The first end of the pressing rod 24 is fixedly connected with the inner wall of the pipette 21, and the second end of the pressing rod 24 is in contact with the top of the filter screen 23.

In the use state of the utility model, the pipette nozzle 22 and the pipette 21 are in threaded fit together, and the pressing rod 24 can press the filter screen 23 at the moment, so that the filter screen 23 can be kept stable in the subsequent use. When the negative pressure machine is started, under the action of the connecting pipe 10 and the liquid suction pipe 21, negative pressure is formed at the outlet of the liquid suction nozzle 22, a worker holds the liquid suction pipe 21 to suck waste liquid in a laboratory, and impurities in the waste liquid are trapped by the filter screen 23.

When the filter screen 23 needs to be replaced, a worker rotates the liquid suction nozzle 22 to separate the liquid suction nozzle 22 from the liquid suction pipe 21, and at the moment, the pressing rod 24 is separated from the filter screen 23, so that the filter screen 23 can be directly poured out, and the replacement is convenient.

In one embodiment, further comprising a plastic band 40, a first end of plastic band 40 is connected to pipette 21, and a second end of plastic band 40 is fixedly attached with sealing plug 41, sealing plug 41 being adapted to the outlet of cone segment 222.

When the waste liquid in the laboratory is completely sucked, the staff member plugs the sealing plug 41 into the outlet of the cone section 222, so that the waste liquid remained on the inner walls of the pipette 21 and the pipette nozzle 22 can be prevented from flowing out, and the laboratory environment is prevented from being polluted again. The sealing plug 41 may be removed prior to use of the device.

In one embodiment, a slide assembly 30 is also included, the slide assembly 30 including a rail 31, a slider 32, an iron block 33, and a magnet 34. The guide rail 31 is fixedly installed on the pipette 21 in the longitudinal direction. The slider 32 is provided on the guide rail 31 and is slidably connected to the guide rail 31. An iron block 33 is fixedly mounted on top of the pipette 21, and a magnet 34 is fixedly mounted on the slider 32 in correspondence with the iron block 33.

Before the device is used, after a worker takes out the sealing plug 41, the sliding block 32 is pulled upwards by hand, so that the magnet 34 and the sliding block 32 are adsorbed together, the plastic belt 40 and the sealing plug 41 are close to the top of the pipette 21, and on one hand, the sealing plug 41 can be prevented from falling off; on the other hand can avoid influencing the staff and absorb the waste liquid in the laboratory.

In one embodiment, the second end of the pressing rod 24 is fixedly provided with the pressing ring 25, the pressing ring 25 contacts with the top of the filter screen 23, the contact area between the pressing ring 25 and the filter screen 23 is larger, and the stability of the filter screen 23 can be further improved.

In one embodiment, the screen 23 is made of a stainless steel material 0Cr18Ni 9. The stainless steel material 0Cr18Ni9 has strong corrosion resistance and can be better suitable for laboratory environment.

In one embodiment, rail 31 is dovetail-shaped.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an electronic aspirator of laboratory waste liquid, includes imbibition subassembly, its characterized in that: the liquid suction assembly comprises a liquid suction pipe, a liquid suction nozzle, a filter screen and a pressing rod, wherein the liquid suction nozzle comprises a vertical section and a cone section, the vertical section is in threaded connection with the bottom of the liquid suction pipe, the cone section is located below the vertical section, the filter screen is arranged in the vertical section and is in sliding contact with the inner wall of the vertical section, the first end of the pressing rod is fixedly connected with the inner wall of the liquid suction pipe, and the second end of the pressing rod is in contact with the top of the filter screen.

2. The laboratory waste liquid electric aspirator according to claim 1, wherein: the liquid suction pipe comprises a cone section, and is characterized by further comprising a plastic belt, wherein a first end of the plastic belt is connected with the liquid suction pipe, a sealing plug is fixedly arranged at a second end of the plastic belt, and the sealing plug is matched with the outlet of the cone section.

3. The laboratory waste liquid electric aspirator of claim 2, wherein: the liquid suction device comprises a liquid suction pipe, and is characterized by further comprising a sliding assembly, wherein the sliding assembly comprises a guide rail, a sliding block, an iron block and a magnet, the guide rail is fixedly installed on the liquid suction pipe along the longitudinal direction, the sliding block is arranged on the guide rail and is in sliding connection with the guide rail, the iron block is fixedly installed at the top of the liquid suction pipe, and the magnet is fixedly installed on the sliding block.

4. The laboratory waste liquid electric aspirator according to claim 1, wherein: the second end of the pressing rod is fixedly provided with a pressing ring, and the pressing ring is contacted with the top of the filter screen.

5. The laboratory waste liquid electric aspirator according to claim 1, wherein: the filter screen is made of stainless steel materials.

6. A laboratory waste liquid electric aspirator according to claim 3, characterized in that: the guide rail is dovetail-shaped.