CN214235411U

CN214235411U - Pipette belt cleaning device

Info

Publication number: CN214235411U
Application number: CN202023121775.4U
Authority: CN
Inventors: 梁秀清; 张红霞; 田其燕; 王艳丽; 李芳芳; 陈倩倩; 刘艳明
Original assignee: Shandong Institute for Food and Drug Control
Current assignee: Shandong Institute for Food and Drug Control
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-21
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a pipette cleaning device, which comprises a base, a plurality of branch pipes, a liquid storage barrel, an air blower, a waste liquid collecting barrel and a waste liquid collecting tank, wherein the base is of a cavity structure, the branch pipes are of a tubular structure, the branch pipes are inserted above the base, the base is communicated with the branch pipes, the top parts of the branch pipes are sealed, and a plurality of cleaning holes are formed in the side walls; the base is also respectively communicated with a liquid storage barrel and a blower through a liquid feeding pipe and an air feeding pipe, and the liquid storage barrel is provided with an electromagnetic valve and a booster pump; the waste liquid collecting tank is of an annular groove-shaped structure, the base is sleeved with the waste liquid collecting tank, a plurality of collecting holes are formed in the waste liquid collecting tank, and the collecting holes are communicated with the waste liquid collecting barrel through liquid collecting pipes. During the use with the pipette handstand cover locate the branch pipe of seting the purge orifice on, when opening solenoid valve and booster pump, the washing liquid is by the purge orifice blowout of branch pipe lateral wall, carries out pressurized cleaning to the pipette, improves abluent speed and quality. When the air blower is started, the air blower blows the inner wall of the pipette at normal temperature, and the drying speed of the pipette is improved.

Description

Pipette belt cleaning device

Technical Field

The utility model relates to an instrument washs the field, especially relates to a pipette belt cleaning device.

Background

The pipette is a type of liquid measuring glass instrument, and is one of the most common and important instruments in chemical experiments and analytical detection. The pipette has simple structure, or is a straight glass tube, or is a glass tube with a swelling part in the middle, the lower end is in a sharp mouth shape, a marking line is carved at the neck of the upper end tube, and the mark of the accurate volume is obtained. Due to the special use of the pipette, the liquid to be taken must be accurate and pure, and accordingly, high requirements are made on the cleanliness of the pipette.

Among the prior art, the washing of pipette mainly is manual cleaning, and not only abluent inefficiency, effect are poor, but also cause pipette head tail end damaged easily, lead to the degree of accuracy to reduce. Especially, some pipettes with smaller specifications, such as 1, 2, 5mL pipettes, have an inner diameter of only about 1mm, and it is more difficult to achieve the cleanliness requirement of the pipette. In addition, the pipette after being washed can only be dried naturally, which is time-consuming and can not be used in time. If adopt the oven to heat dry, under the higher condition of temperature, can lead to the pipette to warp, influence the accuracy, the temperature is low excessively, and then does not have the difference with the natural effect of drying in the air, still spends a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipette belt cleaning device to solve the washing and the dry problem of pipette.

The utility model provides a pair of pipette belt cleaning device, including base, a plurality of branch pipes, stock solution bucket, air-blower, waste liquid collecting vessel, waste liquid collecting vat, wherein: the base is of a cavity structure, the branch pipe is of a tubular structure, the branch pipe is inserted above the base, the base is communicated with the branch pipe, the top of the branch pipe is closed, and a plurality of cleaning holes are formed in the side wall of the branch pipe; the base is also respectively communicated with a liquid storage barrel and a blower through a liquid feeding pipe and an air feeding pipe, the liquid storage barrel is provided with an electromagnetic valve and is connected with a booster pump; the waste liquid collecting tank is of an annular groove-shaped structure, the base is sleeved with the waste liquid collecting tank, the position of the waste liquid collecting tank is lower than the pipe bottom of the branch pipe, a plurality of collecting holes are formed in the waste liquid collecting tank, and the collecting holes are communicated with the waste liquid collecting barrel through the liquid collecting pipe.

Optionally, the liquid storage barrel comprises an acid storage barrel, an alkali storage barrel and a water storage barrel, the liquid feeding pipe comprises an acid feeding pipe, an alkali feeding pipe and a water feeding pipe, and the acid storage barrel, the alkali storage barrel and the water storage barrel are respectively correspondingly communicated with the liquid feeding pipe comprising the acid feeding pipe, the alkali feeding pipe and the water feeding pipe.

Optionally, the acid storage barrel, the alkali storage barrel and the water storage barrel are connected with the booster pump through a three-way selector valve.

Optionally, the connection surface of the base and the branch pipe is a conical surface.

Optionally, the branch pipes are radially arranged with the center of the conical surface as the center, and the branch pipes with the same distance from the center are the same in size.

Alternatively, the diameter of the manifold is larger the distance from the center of the circle.

Alternatively, the diameter of the manifold is matched to 1, 2, 5, 10mL pipettes, respectively.

Optionally, a control panel is further provided, wherein: the control panel is in communication connection with the electromagnetic valve, the blower and the booster pump.

The utility model discloses following beneficial effect has:

(1) the utility model provides a pair of pipette belt cleaning device, locate the branch pipe of seting up the purge hole with pipette handstand cover during the use, when opening solenoid valve and booster pump, the washing liquid in the stock solution bucket is by the purge hole blowout of branch pipe lateral wall, carries out the pressurization to the narrow inner wall of pipette and washs, improves abluent speed and quality. When the air blower is started, the air blower can blow air to the inner wall of the pipette at normal temperature, and the drying speed of the pipette is improved.

(2) The liquid storage barrel is divided into an acid storage barrel, an alkali storage barrel and a water storage barrel, acid, alkali and water are respectively used as cleaning liquid correspondingly, pipettes in different using states are cleaned adaptively, the cleaning effect on the pipettes can be further improved, and acid and alkali residues after acid cleaning or alkali cleaning can be effectively prevented.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a cross-sectional view of a pipette washing device provided by the present invention;

fig. 2 is a top view of a pipette washing device provided by the present invention;

fig. 3 is an axonometric view of a pipette washing device according to the present invention.

Detailed Description

The utility model provides a pipette belt cleaning device to solve the washing and the dry problem of pipette. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-3, the structure of a pipette cleaning device provided by the present invention is schematically illustrated. The pipette belt cleaning device that this embodiment provided includes base 1, a plurality of branch pipes 2, stock solution bucket 3, air-blower 4, waste liquid collecting vessel 5, waste liquid collecting vat 6, during the use, locates branch pipe 2 with the pipette cover that stands upside down. Base 1 is cavity structures, and branch pipe 2 is the tubular structure, and branch pipe 2 inserts the top of locating base 1, and base 1 and branch pipe 2 intercommunication, the top of branch pipe 2 is sealed, and a plurality of cleaning holes 21 have been seted up to the lateral wall. The base 1 is also respectively communicated with a liquid storage barrel 3 and an air blower 4 through a liquid feeding pipe 7 and an air feeding pipe 8, the liquid storage barrel 3 is provided with an electromagnetic valve 31, and the liquid storage barrel 3 is connected with a booster pump 9. Waste liquid collecting tank 6 is annular groove-shaped structure, and on base 1 was located to the cover, and the position was less than the socle of branch pipe 2, has seted up a plurality of collection holes 61 on the waste liquid collecting tank 6, and collection holes 61 passes through collector pipe 10 intercommunication waste liquid collecting vessel 5.

In general, the pipette is often washed with acid or alkali, and in this process, no matter how difficult the pipette is washed due to the structure of the pipette, the acid or alkali residue is easily caused by the acid or alkali washing, which affects the subsequent experiments. Therefore, in order to adaptively clean various pipettes which are subjected to different experimental operations, the liquid storage barrel 3 comprises an acid storage barrel 31, an alkali storage barrel 32 and a water storage barrel 33, the liquid feeding pipe 7 comprises an acid feeding pipe, an alkali feeding pipe and a water feeding pipe, and the acid storage barrel 31, the alkali storage barrel 32 and the water storage barrel 33 are respectively and correspondingly communicated with the acid feeding pipe, the alkali feeding pipe and the water feeding pipe. The acid storage barrel 31, the alkali storage barrel 32 and the water storage barrel 33 are connected with the booster pump 9 through a three-way selector valve 11.

For convenience, in fig. 1-3, the pipette cleaning device further includes an outer cylinder, which is a cylindrical structure with an open upper end, and is disposed below the base 1 for placing the liquid storage barrel 3, the blower 4, the waste liquid collecting barrel 5, and the waste liquid collecting tank 6, so that the parts of the whole device are integrated, and the laboratory space is saved. For convenient operation, a control panel 12 is also provided, wherein: control panel 12 communication connection solenoid valve 31, air-blower 4 and booster pump 9, like this, the user can realize convenient operation to stock solution bucket 3, air-blower 4 and booster pump 9 through setting up control panel 12 on the urceolus.

In order to facilitate the collection of waste liquid, the surface of the base 1 connected with the branch pipe 2 is a conical surface. The branch pipes 2 are arranged in a radial shape by taking the center of the conical surface as the center of a circle, and the sizes of the branch pipes 2 which are equidistant from the center of the circle are consistent. The larger the distance from the centre of the circle, the larger the diameter of the branch pipe 2. Because the inner diameter of the pipette with the specification of 1, 2, 5 and 10mL is small, the cleaning difficulty is large, and therefore, in practical application, the diameter of the branch pipe 2 can be correspondingly matched with the pipette with the specification of 1, 2, 5 and 10 mL.

The use method of the pipette cleaning device comprises the following steps:

(1) the pipette is reversely sleeved on the branch pipe provided with the cleaning hole.

(2) And opening the electromagnetic valve and the booster pump of the acid storage barrel/the alkali storage barrel, or only opening the electromagnetic valve of the acid storage barrel/the alkali storage barrel, so that the cleaning solution in the acid storage barrel/the alkali storage barrel is sprayed out from the cleaning hole on the side wall of the branch pipe, the narrow inner wall of the pipette is cleaned under the pressurization/normal pressure, and the electromagnetic valve of the acid storage barrel/the alkali storage barrel is closed.

(3) And opening the electromagnetic valve and the booster pump of the water storage barrel to enable water to be sprayed out from the cleaning holes in the side wall of the branch pipe, performing pressurized cleaning on the narrow inner wall of the pipette, and closing the electromagnetic valve and the booster pump of the water storage barrel.

(4) When the blower is started, the inner wall of the pipette is blown at normal temperature.

(5) And treating the waste liquid in the waste liquid collecting barrel.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The utility model provides a pipette belt cleaning device, its characterized in that includes base (1), a plurality of branch pipe (2), stock solution bucket (3), air-blower (4), waste liquid collecting vessel (5), waste liquid collecting vat (6), during the use, locates the pipette handstand cover on branch pipe (2), wherein: the base (1) is of a cavity structure, the branch pipe (2) is of a tubular structure, the branch pipe (2) is inserted above the base (1), the base (1) is communicated with the branch pipe (2), the top of the branch pipe (2) is closed, and the side wall of the branch pipe is provided with a plurality of cleaning holes (21); the base (1) is also respectively communicated with the liquid storage barrel (3) and the blower (4) through a liquid feeding pipe (7) and an air feeding pipe (8), the liquid storage barrel (3) is provided with an electromagnetic valve (34), and the liquid storage barrel (3) is connected with a booster pump (9); waste liquid collecting vat (6) are annular groove-shaped structure, and the cover is located on base (1), and the position is less than the tube bottom of branch pipe (2), a plurality of collecting hole (61) have been seted up on waste liquid collecting vat (6), collecting hole (61) are through collecting tube (10) intercommunication waste liquid collecting vessel (5).

2. The pipette washing device according to claim 1, wherein the liquid storage barrel (3) comprises an acid storage barrel (31), an alkali storage barrel (32) and a water storage barrel (33), the liquid feeding tube (7) comprises an acid feeding tube, an alkali feeding tube and a water feeding tube, and the acid storage barrel (31), the alkali storage barrel (32) and the water storage barrel (33) are respectively communicated with the acid feeding tube, the alkali feeding tube and the water feeding tube.

3. The pipette washing arrangement according to claim 2, characterised in that the acid storage tank (31), the alkali storage tank (32) and the water storage tank (33) are connected to the booster pump (9) by means of a three-way selector valve (11).

4. The pipette washing device according to claim 1, characterised in that the connection face of the base (1) to the branch tube (2) is a conical face.

5. The pipette washing device according to claim 4, characterised in that the branch pipes (2) are arranged radially with the centre of the conical surface as the centre and are of the same size as the branch pipes (2) at the same distance from the centre.

6. Pipette washing device according to claim 5, characterised in that the branch (2) has a larger diameter at a greater distance from the centre of the circle.

7. The pipette washing device according to claim 6, characterized in that the diameter of the branch tube (2) corresponds to a 1, 2, 5, 10mL pipette.

8. The pipette washing device according to any of claims 1 to 7, characterized by a control panel (12), wherein: the control panel (12) is in communication connection with the electromagnetic valve (34), the blower (4) and the booster pump (9).