CN206334891U - Liquid-transfering gun pipette tips cleaning box - Google Patents

Abstract

The utility model relates to a cleaning box for pipetting gun tips. It is characterized in that it includes a top cover, a box body, a base, a liquid outlet pipe, and a fixing plate. tube, the fixing plate is set in the box body, and the fixing plate is provided with fixing holes and leakage holes. The utility model solves the problems of difficult and inconvenient cleaning of pipetting gun tips and glass straws in biological experiments, and the cleaning box can be placed in an ultrasonic cleaning machine for use; the device is suitable, convenient, and easy to operate. Improve the experimental efficiency.

Description

Pipette tip cleaning box

technical field

The utility model relates to the field of life science/biomedicine, relates to cell culture and molecular biology experiment equipment, in particular to a pipette tip cleaning box for biological experiments.

Background technique

At present, pipette tips and glass straw cleaning devices are rare in existing biological experiments, mainly relying on manual cleaning, which is time-consuming, laborious, and inefficient, and the tip and the inner wall of the straw are not easy to clean, especially after the straw has been soaked in acid It is very time-consuming and labor-intensive to repeat dozens of times of washing, so there is an urgent need for a cleaning device for pipette tips and straws to improve experimental efficiency.

Contents of the invention

The purpose of the utility model is to provide a pipette gun tip cleaning box.

The purpose of this utility model is achieved by the following technical solutions:

The utility model is characterized in that it includes a top cover, a box body, a base, a liquid outlet pipe and a fixing plate, the top cover is arranged on the box body, the bottom of the box body is provided with a base, and the base is provided with There is a liquid outlet pipe, and the fixed plate is arranged in the box body, and the fixed plate is provided with a fixing hole and a liquid leakage hole.

A liquid inlet pipe is arranged on the above-mentioned top cover, and a liquid inlet valve is arranged on the liquid inlet pipe.

The above-mentioned liquid outlet pipe is provided with a liquid outlet valve.

The above-mentioned liquid outlet pipe is composed of a liquid outlet horizontal pipe, a vertical pipe and an inverted "U"-shaped pipe. One end of the liquid outlet horizontal pipe is arranged on the base, and the other end of the liquid outlet horizontal pipe is provided with a vertical pipe. Features an inverted "U" shaped tube.

The above-mentioned fixed plate is two pieces, which can be divided into an upper fixed plate and a lower fixed plate, and the fixed hole on the upper fixed plate is a tapered funnel.

The utility model solves the problems of difficult and inconvenient cleaning of pipetting gun tips and glass straws in biological experiments, and the cleaning box can be placed in an ultrasonic cleaning machine for use; the device is suitable, convenient, and easy to operate. Improve the experimental efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is a top view structural schematic diagram of the upper fixing plate in Fig. 1;

FIG. 3 is a schematic top view of the lower fixing plate in FIG. 1 .

In the diagram: 1 is the liquid outlet horizontal pipe, 2 is the liquid outlet valve, 3 is the vertical pipe, 4 is the inverted "U" pipe, 5 is the box body, 6 is the upper fixing plate, 7 is the top cover, 8 is the inlet Liquid valve, 9 is the liquid inlet pipe, 10 is the leakage hole of the upper fixed plate, 11 is the conical funnel, 12 is the tip of the pipette to be cleaned, 13 is the lower fixed plate, 14 is the fixed hole of the lower fixed plate, 15 is the base, and 16 is the leakage hole of the lower fixed plate.

detailed description

Embodiment: With reference to accompanying drawing 1～3, comprise top cover 7, box body 5, base 15, liquid outlet horizontal pipe 1, fixing plate, described top cover 7 is arranged on box body 5, and described box body 5 The lower part is provided with a base 15, the base 15 is provided with a liquid outlet horizontal pipe 1, and the fixed plate is arranged in the box body 5, and the fixed plate is provided with a fixed hole and a liquid leakage hole. The top cover 7 is provided with a liquid inlet pipe 9, the liquid inlet pipe 9 is provided with a liquid inlet valve 8, and the liquid outlet pipe is provided with a liquid outlet valve 2, and the liquid outlet pipe is composed of a liquid outlet horizontal pipe 1 and a The vertical pipe 3 and the inverted "U" shaped pipe 4 are formed. One end of the liquid outlet horizontal pipe 1 is arranged on the base 15, the other end of the liquid outlet horizontal pipe 1 is provided with a vertical pipe 3, and an inverted "U" is arranged above the vertical pipe 3. U"-shaped tube 4, the fixed plate is two pieces, can be divided into upper fixed plate 6 and lower fixed plate 13, the fixed hole on the upper fixed plate 6 is a conical funnel 11; the box body 5 is a round Cylindrical cleaning box, the top cover 7 is a round top cover, the base 15 is a barrel shape, the liquid inlet pipe and the liquid inlet valve set above the round top cover can control the pressure and speed of the liquid inlet, and the top cover 7 and the box body 5 are connected with threaded sealing with sealing film, the box body 5 can be opened up and down, and the side wall of the box body 5 is provided with a row of four fixed knobs, the fixed knobs are positioned at the top of the lower fixed plate 13, and the fixed knobs are two up and down. The first layer is in the shape of a cuboid, the lower fixed knob is integrated with the box body 5, the front end of the fixed knob is provided with a groove, and the upper fixed knob is connected to the lower fixed knob through a round shaft. After the plate 6, adjust the two layers of fixing knobs into a cross shape. The lower fixing knob supports the upper fixing plate 6, and the upper fixing knob clamps the upper fixing plate 6 to prevent the upper fixing plate from floating after water injection. The upper fixing plate 6 is circular, with a diameter of Same as the inner diameter of the box body 5, it is used for fixing the upper end of the pipette tip 12 to be cleaned. The upper fixing plate 6 is provided with a hollow conical funnel 11 protruding downward and a square leakage hole. There are grooves all around to cooperate with the fixing knob on the box wall to fix the upper fixing plate 6 on the wall of the box body 5, and the lower fixing plate 13 is a circular diameter and the inner diameter of the box body 5 is the same as the box body 5. The fixing plate 13 is provided with a circular hole for fixing the lower end of the pipetting gun tip 12 to be cleaned, and the lower fixing plate 13 is provided with a square leak hole for getting rid of the cleaning liquid, and the pipetting gun tip 12 to be cleaned is vertical Put it into the box body downwards, the tapered funnel 11 protruding downward from the upper fixing plate 6 can be inserted into the upper opening of the pipette tip 12 to be cleaned, and the lower opening of the pipetting gun tip 12 to be cleaned is inserted into the lower fixing plate 12 The round hole prevents the lower mouth of the pipette tip 12 to be cleaned from touching the bottom of the base 15, so as to prevent the tip 12 of the pipette to be cleaned from moving up and down and swinging left and right after liquid injection. The side of the barrel-shaped base 15 The outer side of the bottom of the wall is provided with a liquid outlet of the liquid outlet valve 2 to control the pressure and speed of the liquid outlet to prevent the liquid from splashing when the liquid is discharged, and it can be connected to the vertical pipe 3, and the upper end of the vertical pipe 3 is connected to the inverted "U"-shaped pipe 4. The highest point of the "U"-shaped pipe 4 is flat on the upper fixing plate 6, and the inverted "U"-shaped pipe 4 is connected with the vertical pipe 3 and the vertical pipe 3 and the liquid outlet valve 2 through a threaded seal with a sealing film, and the barrel-shaped base 15 With the box body 5 through the thread with sealing film Type sealing connection, the liquid flow enters from the liquid inlet nozzle, and enters the pipette tip 12 that needs to be cleaned through the hollow conical funnel 11 that protrudes downward on the upper fixing plate 6, and the pipette tip 12 that needs to be cleaned The lower port flows out to clean the pipette tip 12 to be cleaned, and the liquid flow flows into the outside of the pipette tip 12 to be cleaned from the square leakage hole 10 of the upper fixed plate 6. The outside is cleaned, and then flows out from the square liquid leakage hole 16 of the lower fixing plate 13, and finally flows into the base 15 and flows out of the box body 5 from the liquid outlet, and the inverted "U" shaped tube 4 can keep the liquid level in the box body 5 intact After cleaning the 12 heads of the pipette gun to be cleaned, close the liquid outlet valve 2, remove the vertical pipe 3 and the inverted "U"-shaped pipe 4, and then open the liquid outlet valve 2 Release the remaining cleaning liquid in the box body 5 and the base 15. When cleaning a large number of pipette gun tips 12 to be cleaned, the box body 5 and the vertical tube 3 can be superimposed, and the box body 5 and the vertical tube 3 pass through the Threaded seal connection. The size of the box body 5, the height of the fixing plate and the height of the inverted "U"-shaped tube 4 can be set according to the pipette tip 12 or suction pipe to be cleaned according to different specifications. The box body 5 can be superimposed on the box body 5 according to the number of pipette tips 12 to be cleaned. The box body 5 can clean the pipette tip 12 and the glass or plastic straw to be cleaned. The threaded sealing connection with the sealing film can maintain the hydraulic pressure in the box without leakage. Each part of the box body 5 is made of plastic.

Claims (5)

1. A pipette gun tip cleaning box is characterized in that: it comprises a top cover, a box body, a base, a liquid outlet pipe, and a fixed plate, and the described top cover is arranged on the box body, and the described box body bottom is provided with There is a base, the base is provided with a liquid outlet pipe, the fixed plate is arranged in the box body, and the fixed plate is provided with a fixing hole and a liquid leakage hole. 2. A pipette tip cleaning box according to claim 1, characterized in that: the fixed plate is two pieces, which can be divided into an upper fixed plate and a lower fixed plate, and the fixed holes on the upper fixed plate Conical funnel. 3. A pipette tip cleaning box according to claim 1, characterized in that: the top cover is provided with a liquid inlet pipe, and the liquid inlet pipe is provided with a liquid inlet valve. 4. A pipette tip cleaning box according to claim 1, characterized in that: said liquid outlet pipe is provided with a liquid outlet valve. 5. A pipette tip cleaning box according to claim 1 or 4, characterized in that: the liquid outlet pipe is composed of a liquid outlet horizontal pipe, a vertical pipe and an inverted "U"-shaped pipe, the One end of the liquid outlet horizontal pipe is arranged on the base, the other end of the liquid outlet horizontal pipe is provided with a vertical pipe, and an inverted "U" shaped pipe is arranged above the vertical pipe.