CN215334650U

CN215334650U - Drain valve and electrophoresis tank with automatic buffer liquid discharging function in refrigeration system

Info

Publication number: CN215334650U
Application number: CN202120261052.XU
Authority: CN
Inventors: 马培远; 田成浩; 杨太平; 李雪原
Original assignee: Wix Tech Beijing Co ltd
Current assignee: Wix Tech Beijing Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-28
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a drain valve and an electrophoresis tank with a function of automatically discharging buffer solution in a refrigeration system. The first check valve and the second check valve which are oppositely arranged are installed in the liquid discharge valve, so that the bidirectional design of the liquid discharge valve is realized, the bidirectional use of buffer liquid circulation and discharge in a refrigeration system is met, and the blockage caused by the deposition and corrosion of the buffer liquid in the constant-temperature circulator, the liquid discharge pipe and the liquid conveying pipe after the experiment is finished is avoided.

Description

Drain valve and electrophoresis tank with automatic buffer liquid discharging function in refrigeration system

Technical Field

The utility model relates to the technical field of electrophoresis experiments, in particular to a drain valve and an electrophoresis tank with a function of automatically discharging buffer solution in a refrigeration system.

Background

There are a large amount of buffers in the electrophoresis experiment, in the experimentation, because the reason buffer solution of circular telegram can heat up, the high temperature can influence experimental effect, the constant temperature circulator carries out biological electrophoresis experimentation, for whole experiment provides the equipment of electric energy and cold volume, the providing of cold volume is the buffer solution that adopts in the circulation electrophoresis tank and then cools down whole electrophoresis system, after finishing using, can save a large amount of buffer solutions in the constant temperature circulator, if not discharge buffer solution, buffer solution can crystallize when vacant, long-term use can cause the jam in the constant temperature circulator liquid way, and then cause the functional damage of equipment, and the flowing back valve in the electrophoresis test can only make liquid uniflow, can't satisfy the use of buffer solution at the discharge process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a drain valve and an electrophoresis tank with an automatic buffer liquid discharging function in a refrigerating system.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a drain valve, includes the valve body, the one end of valve body is equipped with the liquid outlet, the other end of valve body is equipped with the inlet, install first check valve and the second check valve of placing on the contrary in the valve body between liquid outlet and the inlet, the top of valve body is equipped with the inlet port with inside intercommunication, the second check valve is installed in the inlet port, the inlet is through first check valve and liquid outlet intercommunication, the inlet port is through second check valve and inlet intercommunication.

Preferred in any above-mentioned scheme, the valve body includes first minute valve body, second minute valve body, third minute valve body, fixed connection can be dismantled with the third minute valve body through the second minute valve body to first minute valve body, the one end of first minute valve body is equipped with the liquid outlet, the one end of third minute valve body is equipped with the inlet.

In any of the above aspects, preferably, the first check valve is fixed in the valve body by the connection of the second valve body and the third valve body.

In any of the above schemes, preferably, the air inlet hole is arranged at the top of the third sub valve body, and the central line of the second one-way valve is perpendicular to the central line of the liquid inlet.

In any of the above schemes, preferably, an air inlet plug is installed on the air inlet hole, a through hole is formed in the air inlet plug, and the air inlet plug presses the second check valve in the air inlet hole to be fixed with the third shunt valve body.

The utility model also provides an electrophoresis tank with the function of automatically discharging the buffer solution in the refrigerating system, which comprises a tank body, the refrigerating system and a liquid discharge valve, wherein a liquid inlet pipe and a liquid outlet pipe are embedded in the tank body, the refrigerating system is connected with the liquid inlet pipe and the liquid outlet pipe so as to enable the buffer solution in the tank body to circularly cool and flow, the refrigerating system comprises a constant-temperature circulator, the outlet of the constant-temperature circulator is connected with the liquid discharge pipe, the inlet of the constant-temperature circulator is connected with a liquid feeding pipe, the liquid discharge pipe is connected with the liquid inlet pipe through the liquid discharge valve, and the liquid feeding pipe is connected with the liquid outlet pipe; the drain valve is any one of the drain valves described above.

One end of the liquid discharge pipe is connected with a liquid inlet on the valve body, one ends of the liquid inlet pipe and the liquid outlet pipe extend to the outer side of the constant temperature circulator, and one end of the liquid inlet pipe is connected with a liquid outlet on the valve body.

Compared with the prior art, the drain valve and the electrophoresis tank with the automatic draining function of the buffer solution in the refrigerating system have the following beneficial effects:

1. the first check valve and the second check valve which are oppositely arranged are arranged in the liquid discharge valve, so that the bidirectional design of the liquid discharge valve is realized, the bidirectional use of buffer liquid circulation and discharge in a refrigeration system is met, the use effect is good, the valve body is designed into a splicing structure, the valve body is convenient to machine, install, disassemble and replace, and the replacement of the first check valve inside is facilitated;

2. constant temperature circulator passes through the flowing liquid union coupling of flowing back valve and electrophoresis inslot, when having realized through first check valve, buffer solution carries out the function that the circulation flows in the electrophoresis inslot, when buffer solution among the refrigerating system discharges, the air is in so that buffer solution backward flow to the electrophoresis inslot through second check valve admission valve is internal, so that the buffer solution in the refrigerating system discharges, after avoiding the experiment, buffer solution is at constant temperature circulator, the deposition corrosion in fluid-discharge tube and the fluid-delivery tube makes its jam, play the guard action.

Drawings

FIG. 1 is a schematic view of the overall external structure of a drain valve according to the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural view of the tank body;

FIG. 4 is a schematic view showing the overall structure of an electrophoresis tank having an automatic buffer solution discharge function in a refrigeration system.

The figures are labeled as follows: 1. a first shunt valve body; 2. a second sub valve body; 3. a third sub valve body; 4. an air inlet plug; 5. a second one-way valve; 6. a first check valve; 7. a liquid outlet; 8. a liquid inlet; 9. a trough body; 10. a constant temperature circulator; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 13. a valve body.

Detailed Description

In order that the utility model may be further understood, the utility model will now be described in detail with reference to specific examples.

As shown in fig. 1 to 4, an embodiment of the liquid discharge valve provided in the present invention includes a valve body 13, one end of the valve body 13 is provided with a liquid outlet 7, the other end of the valve body 13 is provided with a liquid inlet 8, a first check valve 6 and a second check valve 5 which are oppositely disposed are installed in the valve body 13 between the liquid outlet 7 and the liquid inlet 8, the top end of the valve body 13 is provided with an air inlet communicated with the inside, the second check valve 5 is installed in the air inlet, the liquid inlet 8 is communicated with the liquid outlet 7 through the first check valve 6, and the air inlet is communicated with the liquid inlet 8 through the second check valve 5.

Valve body 13 includes first minute valve body 1, second minute valve body 2, third minute valve body 3, fixed connection can be dismantled with third minute valve body 3 through second minute valve body 2 to first minute valve body 1, the one end of first minute valve body 1 is equipped with liquid outlet 7, the one end of third minute valve body 3 is equipped with inlet 8.

Wherein, the one end threaded connection of first minute valve body 1 and second minute valve body 2, the other end of second minute valve body 2 and the one end threaded connection of third minute valve body 3, first minute valve body 1 and second minute valve body 2 connection position and third minute valve body 3 all set up the sealing washer with second minute valve body 2 connection position to realize sealed, prevent weeping or gas leakage.

The first check valve 6 is fixed in the valve body 13 through the connection of the second sub valve body 2 and the third sub valve body 3.

The air inlet hole is arranged at the top of the third shunt valve body 3, and the central line of the second one-way valve 5 is vertical to the central line of the liquid inlet 8.

Install first check valve 6 and second check valve 5 in the flowing back valve, realized the two-way design of flowing back valve, satisfied among the refrigerating system buffer solution circulation and exhaust two-way use, excellent in use effect designs valve body 13 for the concatenation formula structure, and the dismantlement of the valve body 13 of being convenient for is favorable to changing inside first check valve 6 and second check valve 5.

Further, install air inlet plug 4 on the inlet port, be equipped with the through-hole on the air inlet plug 4, air inlet plug 4 compresses tightly second check valve 5 in the inlet port in order to be fixed with third minute valve body 3 to make in the outside air gets into valve body 13 through second check valve 5, air inlet plug 4 and inlet port threaded connection, the inlet port is the counter sink, the bottom of air inlet plug 4 supports to compress tightly on the 5 terminal surfaces of second check valve in order to be fixed with third minute valve body 3.

As shown in fig. 4, the utility model further provides an electrophoresis tank with an automatic buffer solution discharging function in a refrigeration system, which comprises a tank body 9, the refrigeration system and a liquid discharging valve, wherein a liquid inlet pipe 11 and a liquid outlet pipe 12 are embedded in the tank body 9, the refrigeration system is connected with the liquid inlet pipe 11 and the liquid outlet pipe 12 to enable the buffer solution in the tank body 9 to circularly cool and flow, the refrigeration system comprises a constant temperature circulator 10, an outlet of the constant temperature circulator is connected with the liquid discharging pipe, an inlet of the constant temperature circulator is connected with a liquid feeding pipe, the liquid discharging pipe is connected with the liquid inlet pipe 11 through the liquid discharging valve, and the liquid feeding pipe is connected with the liquid outlet pipe 12; the drain valve is any one of the drain valves described above.

Furthermore, one end of the liquid discharge pipe is connected with a liquid inlet 8 on the valve body 13, one ends of the liquid inlet pipe 11 and the liquid outlet pipe 12 both extend to the outer side of the constant temperature circulator 10, and one end of the liquid inlet pipe 11 is connected with a liquid outlet 7 on the valve body 13.

Wherein, install diaphragm pump and switching-over valve in the constant temperature circulator 10, corotation and reversal through the switching-over valve realize the two-way flow of buffer solution, and the buffer solution that heaies up in the electrophoresis tank carries out refrigeration cooling in liquid outlet pipe 12 and the entering constant temperature circulator 10 of liquid pipe entering, then flows into the electrophoresis tank through fluid-discharge tube, first check valve 6 and feed liquor pipe 11 in, has guaranteed the normal clear of electrophoresis test, and constant temperature circulator 10 is the product of selling on the market, for prior art, no longer gives detailed description here.

In this embodiment, the liquid discharge pipe on the constant temperature circulator 10 is connected with the liquid inlet pipe 11 through the liquid discharge valve, and the liquid delivery pipe is connected with the liquid outlet pipe 12, so that the function of circular flow of the buffer solution in the electrophoresis tank is realized when the buffer solution passes through the first one-way valve 6, and when the buffer solution in the refrigeration system is discharged, air enters the valve body 13 through the second one-way valve 5 so as to reversely flow the buffer solution back to the tank body 9, so that the buffer solution in the refrigeration system is discharged, thereby preventing the buffer solution from being deposited and corroded in the constant temperature circulator 10, the liquid discharge pipe and the liquid delivery pipe to cause the buffer solution to be blocked, and playing a role in protection.

The working principle of the embodiment is as follows: in the process of the electrophoresis experiment, buffer solution is circularly refrigerated, a diaphragm pump in the constant temperature circulator 10 is started, the buffer solution in the electrophoresis tank enters the constant temperature circulator 10 through a liquid outlet pipe 12 and a liquid delivery pipe for refrigerating and cooling, the cooled buffer solution flows into a valve body 13 through a liquid discharge pipe and flows into a liquid inlet pipe 11 through a first one-way valve 6 so as to enter a tank body 9, the refrigeration cycle of the buffer solution is realized, the normal running of the electrophoresis experiment is ensured, because the second one-way valve 5 is designed in a one-way, the buffer solution cannot flow out of the second one-way valve 5 in the circulating flowing process of the buffer solution, when the experiment is finished and the buffer solution in the constant temperature circulator 10, the liquid delivery pipe and the liquid delivery pipe needs to be discharged, the reversing valve reversely rotates to reversely pump the buffer solution, so that air enters the valve body 13 through the second one-way valve 5, and the buffer solution in the liquid delivery pipe, the constant temperature circulator 10 and the liquid delivery pipe flows back to the tank body 9, so as to discharge the buffer solution in the refrigeration system and avoid the silting corrosion to block the pipeline.

It will be understood by those skilled in the art that the present invention includes any combination of the summary and detailed description of the utility model described above and those illustrated in the accompanying drawings, which is not intended to be limited to the details and which, for the sake of brevity of this description, does not describe every aspect which may be formed by such combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drain valve characterized by: the valve comprises a valve body, the one end of valve body is equipped with the liquid outlet, the other end of valve body is equipped with the inlet, install first check valve and the second check valve of placing on the contrary in the valve body between liquid outlet and the inlet, the top of valve body is equipped with the inlet port with inside intercommunication, the second check valve is installed in the inlet port, the inlet is through first check valve and liquid outlet intercommunication, the inlet port is through second check valve and inlet intercommunication.

2. The drain valve according to claim 1, characterized in that: the valve body includes that first minute valve body, second divide valve body, third divide the valve body, fixed connection can be dismantled with the third divide the valve body through the second divide the valve body to first minute valve body, the one end of first minute valve body is equipped with the liquid outlet, the one end of third divide the valve body is equipped with the inlet.

3. The drain valve according to claim 2, characterized in that: and the first one-way valve is fixed in the valve body through the connection of the second sub valve body and the third sub valve body.

4. The drain valve according to claim 2, characterized in that: the air inlet is arranged at the top of the third branch valve body, and the center line of the second one-way valve is perpendicular to the center line of the liquid inlet.

5. The drain valve according to claim 4, characterized in that: an air inlet plug is installed on the air inlet hole, a through hole is formed in the air inlet plug, and the second one-way valve is tightly pressed in the air inlet hole by the air inlet plug to be fixed with the third shunt valve body.

6. The utility model provides an electrophoresis tank with automatic discharge function of buffer solution in refrigerating system which characterized in that: the buffer solution cooling device comprises a tank body, a refrigerating system and a liquid discharge valve, wherein a liquid inlet pipe and a liquid outlet pipe are embedded in the tank body, the refrigerating system is connected with the liquid inlet pipe and the liquid outlet pipe so as to enable buffer solution in the tank body to circularly cool and flow, the refrigerating system comprises a constant temperature circulator, an outlet of the constant temperature circulator is connected with the liquid discharge pipe, an inlet of the constant temperature circulator is connected with a liquid feeding pipe, the liquid discharge pipe is connected with the liquid inlet pipe through a liquid discharge valve, and the liquid feeding pipe is connected with the liquid outlet pipe;

the drain valve according to any of the preceding claims 1-4.

7. The electrophoresis tank with automatic buffer solution discharge function in refrigeration system according to claim 6, wherein: one end of the liquid discharge pipe is connected with a liquid inlet on the valve body, one ends of the liquid inlet pipe and the liquid outlet pipe extend to the outer side of the constant temperature circulator, and one end of the liquid inlet pipe is connected with a liquid outlet on the valve body.