CN205914475U - Nuclear magnetic resonance manages belt cleaning device - Google Patents

Abstract

The utility model discloses a nuclear magnetic tube cleaning device, which comprises a vacuum bottle and a liquid adding device arranged at the upper end of the vacuum bottle. The upper end of the vacuum bottle is provided with a bottle mouth, and the bottle mouth is provided with a bottle stopper which is sealed with the inner wall of the bottle mouth. There is at least one through hole in the axial direction of the bottle stopper, and a suction pipe is respectively sealed and inserted in each through hole. The upper end of the bottle stopper is recessed with pattern grooves in the axial direction, and the nuclear magnetic tube is sleeved on each suction pipe. On the bottom surface of the pattern groove, the liquid adding device includes a liquid storage tank arranged above the bottle stopper and sealingly connected with the bottle stopper, and a liquid feeder communicated with the liquid storage tank, and the liquid feeder is equipped with Cleaning liquid, the lower end of the liquid feeder is provided with a third gate valve for controlling the liquid feeding speed of the liquid feeder. The nuclear magnetic tube cleaning device of the utility model can quickly and efficiently clean the nuclear magnetic tube. By adding a liquid adder outside the vacuum bottle, the automatic replenishment of the cleaning liquid in the liquid storage tank is realized. It does not need manual frequent liquid addition and is quick to use.

Description

NMR tube cleaning device

technical field

The utility model relates to the field of analysis and testing instruments, in particular to a nuclear magnetic tube cleaning device.

Background technique

The NMR tube is one of the essential equipment for measuring the NMR spectrum. During use, the NMR tube requires the tube wall to be clean and free of scratches. Commonly used NMR tubes are slender straight tubes made of quartz glass. The tube walls are very thin, making daily cleaning and maintenance difficult and easily damaged. CN202621525U discloses a high-efficiency cleaning device for nuclear magnetic tubes, which uses a vacuum pump to generate an air pressure difference, sucks the cleaning liquid and scours the inner wall of the nuclear magnetic tube, thereby automatically and quickly cleaning one or more nuclear magnetic tubes, and will not cause damage to the nuclear magnetic tube wall . However, during the use of the device, cleaning agents need to be added frequently manually, which is cumbersome to operate and increases the workload of cleaning.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a nuclear magnetic tube cleaning device, which can automatically replenish the cleaning liquid in the pattern groove.

In order to achieve the above object, the technical scheme adopted in the utility model is as follows:

A nuclear magnetic tube cleaning device, comprising a vacuum bottle, the upper end of the vacuum bottle is provided with a bottle mouth, the bottle mouth is provided with a bottle stopper that is sealed with the inner wall of the bottle mouth, and at least one through hole is opened in the axial direction of the bottle stopper. Each through hole is sealed and inserted with a suction pipe respectively. The upper end of the bottle stopper is axially recessed with a pattern groove, and the nuclear magnetic tube is sleeved on each suction pipe. bottom surface,

The cleaning device also includes a liquid adding device arranged on the upper end of the vacuum bottle, the liquid adding device includes a liquid storage tank arranged above the bottle stopper and sealingly connected with the bottle stopper, and a liquid filling tank connected with the liquid storage tank. The liquid feeder is equipped with cleaning liquid inside, and the lower end of the liquid feeder is provided with a third gate valve for controlling the liquid feeding speed of the liquid feeder.

Further, a drain pipe is provided at the bottom of the vacuum bottle, and a first gate valve is provided on the drain pipe.

Further, the side wall of the vacuum bottle is also provided with a vacuum tube whose end communicates with the vacuum pump, and a second gate valve is provided on the vacuum tube.

Further, the vacuum tube is bamboo-shaped.

Further, the liquid storage tank is formed by extending upward from the side wall of the bottle mouth.

Further, the inner wall of the bottle mouth is provided with internal threads, and the bottle stopper is provided with external threads matching the internal threads, and the bottle stopper is sealed and fixed in the bottle mouth through the cooperation of the external threads and the internal threads.

Further, the liquid adding device also includes a connecting pipe for connecting the liquid storage tank and the liquid adding device, and a grinding mouth section is provided at the end of the connecting pipe communicating with the liquid adding device, and the liquid adding device passes through the grinding The mouth section is fixed on the connecting pipe.

Further, the liquid adder is a funnel-shaped container, and the inner wall of the upper end of the liquid adder is provided with a grinding port for externally connecting the liquid storage bottle.

Compared with the prior art, the utility model has the beneficial effects that: a nuclear magnetic tube cleaning device of the utility model uses a vacuum pump to generate negative pressure, and sucks the cleaning liquid into and washes the inner wall and the bottom of the nuclear magnetic tube through a suction tube, which can be quickly and efficiently Carry out large-scale cleaning without damaging the inner wall of the NMR tube; add a liquid adder outside the vacuum bottle to realize automatic replenishment of the cleaning liquid in the liquid storage tank, without manual frequent liquid addition, fast and convenient to use.

Description of drawings

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

Fig. 2 is the local enlargement figure of place I shown in Fig. 1;

Among them, 1-vacuum bottle, 11-bottle mouth, 111-internal thread, 12-cork, 121-through hole, 122-suction tube, 123-pattern groove, 13-discharge pipe, 131-first gate valve, 14- Vacuum tube, 141-second gate valve, 2-liquid adding device, 21-liquid storage tank, 22-liquid adding device, 221-third gate valve, 23-connecting pipe, 231-grinding section, 3-NMR tube.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

As shown in Fig. 1 and Fig. 2, a kind of NMR tube cleaning device described in the utility model includes a vacuum bottle 1, and the upper end of the vacuum bottle 1 is provided with a bottle mouth 11, and the bottle mouth 11 is provided with a Bottle stopper 12 that the inner wall of bottle mouth 11 is sealed. Preferably, the inner wall of the bottle mouth 11 is provided with an internal thread 111, and the bottle stopper 12 is provided with an external thread that matches the internal thread 111. Through the cooperation of the internal thread 111 and the external thread, the bottle stopper 12 is airtightly fixed on the In the bottle mouth 11. The inside of the bottle stopper 12 is provided with at least one through hole 121 in the axial direction, and a straw 122 is respectively inserted into each through hole 121. The straw 122 is a slender straight tube, and the straw 122 is in an interference fit with the through hole 121, so that The outer wall of the suction pipe 122 is sealed and fixed to the through hole 121. The lower end of the suction pipe 122 passes through the bottle stopper 12 and communicates with the inner cavity of the vacuum bottle 1. The upper end of the bottle stopper 12 is axially recessed with a pattern groove 123. The nuclear magnetic tube 3 is sleeved on each suction pipe 122, and the height of the upper end of the suction pipe 122 from the pattern groove 123 is slightly smaller than the length of the NMR tube 3.

The cleaning device also includes a liquid adding device 2 arranged on the upper end of the vacuum bottle 1 . The liquid adding device 2 includes a liquid storage tank 21 arranged above the bottle stopper 12 and sealingly connected with the bottle stopper 12, a liquid adder 22 communicated with the liquid storage tank 21, and a liquid filling device for connecting the liquid storage tank 21 with the liquid addition The connecting pipe 23 of the device 22. Preferably, the liquid reservoir 21 is formed by extending upward from the side wall of the bottle mouth 11 . The liquid feeder 22 is a funnel-shaped container, and cleaning liquid is housed inside it. The liquid level height in the liquid feeder 22 is greater than the height of the pattern groove 123, and the cleaning liquid can flow into the storage tank from the liquid feeder 22. In the liquid pool 21. A third gate valve 221 is provided at the lower end of the liquid feeder 22 to control the liquid feed rate of the liquid feeder 22 . One end of the connecting pipe 23 communicates with the liquid storage tank 21, and the other end communicates with the lower end of the liquid adder 22, and a ground section 231 is also provided at the end where the connecting pipe 23 communicates with the liquid adder 22, so that The lower end of the liquid adder 22 is matched with the ground section 231, and the liquid adder 22 is fixed on the connecting pipe 23 through the ground section 231, which has good sealing performance and is easy to disassemble. Preferably, the inner wall of the upper end of the liquid adder 22 is provided with a grinding mouth, which can be externally connected to the liquid storage bottle to increase the liquid storage capacity.

The bottom of the vacuum bottle 1 is provided with a drain pipe 13 for discharging the waste liquid in the vacuum bottle 1 . The discharge pipe 13 is provided with a first gate valve 131 for opening or closing the discharge pipe 13 . A vacuum tube 14 is arranged on the side wall of the vacuum bottle 1 , and one end of the vacuum tube 14 communicates with a vacuum pump through a hose. The vacuum tube 14 is bamboo-shaped, which is convenient for connecting hoses. The vacuum tube 14 is provided with a second gate valve 141 for opening or closing the vacuum tube 14 .

During work, the vacuum tube 14 is connected with the vacuum pump through a flexible pipe, and the first gate valve 131, the second gate valve 141 and the third gate valve 221 are closed; The uppermost end of the suction pipe 122 is close to the bottom wall of the nuclear magnetic tube 3, and the nozzle of the nuclear magnetic tube 3 is against the bottom surface of the pattern groove 123, and the cleaning liquid is injected into the liquid feeder 22, and the third gate valve 221 is opened, and the cleaning liquid flows along the connecting pipe 23 Flow into the liquid storage tank 21, and submerge the mouth of mouth of nuclear magnetic tube 3, make nuclear magnetic tube 3 inside and outside atmosphere isolate; The inside communicates with the vacuum bottle 1 through the suction pipe 122, and the inside of the nuclear magnetic tube 3 forms a negative pressure. The suction pipe 122 flows into the vacuum bottle 1, and the flow washing process of the cleaning liquid in the NMR tube 3 is the cleaning process; adjust the opening of the third gate valve 221 so that the liquid addition speed of the liquid feeder 22 is roughly equal to the consumption speed of the cleaning liquid. Avoid manual frequent liquid addition; when the waste liquid in the vacuum bottle 1 is too much, close the second gate valve 141 and open the first gate valve 131, so that the waste liquid is discharged from the drain pipe 13.

A nuclear magnetic tube cleaning device described in the utility model uses a vacuum pump to generate negative pressure, and the cleaning liquid is sucked into and flushed the nuclear magnetic tube 3 through the suction pipe 122, which is fast, efficient, and does not damage the inner wall of the nuclear magnetic tube 3; outside the vacuum bottle 1 The addition of a liquid feeder 22 realizes the automatic replenishment of the cleaning liquid in the liquid storage tank 21, without the need for manual frequent liquid addition, and is quick and convenient to use.

Claims (8)

1. a nuclear magnetic tube cleaning device, comprising a vacuum bottle (1), the upper end of the vacuum bottle (1) is provided with a bottleneck (11), and the bottle mouth (11) is provided with a bottle mouth (11) inner wall A closed bottle stopper (12), at least one through hole (121) is opened in the axial direction of the bottle stopper (12), and a straw (122) is sealed and inserted in each through hole (121). The upper end of (12) is axially recessed with pattern grooves (123), and the nuclear magnetic tubes (3) are sleeved on each suction pipe (122), and the mouth of the nuclear magnetic tubes (3) is against the pattern grooves (123) on the bottom surface, it is characterized in that: the cleaning device also includes a liquid feeding device (2) arranged on the upper end of the vacuum bottle (1), and the liquid feeding device (2) includes a liquid feeding device (2) arranged above the bottle stopper (12) and connected with The liquid storage tank (21) that is sealed and connected with the bottle stopper (12), and the liquid adder (22) that is connected with the described liquid storage tank (21), the inside of the described liquid adder (22) is equipped with a cleaning liquid, so The lower end of the liquid feeder (22) is provided with a third gate valve (221) for controlling the liquid feeding speed of the liquid feeder (22). 2. A kind of nuclear magnetic tube cleaning device according to claim 1, is characterized in that: the bottom of described vacuum bottle (1) is also provided with drainpipe (13), and described drainpipe (13) is provided with First gate valve (131). 3. a kind of nuclear magnetic tube cleaning device according to claim 1 or 2, is characterized in that: the side wall of described vacuum bottle (1) is also provided with a vacuum tube (14) that one end is communicated with vacuum pump, and described vacuum tube ( 14) is provided with a second gate valve (141). 4. A nuclear magnetic tube cleaning device according to claim 3, characterized in that: the vacuum tube (14) is bamboo-shaped. 5. A nuclear magnetic tube cleaning device according to claim 1 or 2, characterized in that: the liquid storage tank (21) is formed by extending upward from the side wall of the bottle mouth (11). 6. A nuclear magnetic tube cleaning device according to claim 1 or 2, characterized in that: the inner wall of the bottle mouth (11) is provided with an internal thread (111), and the bottle stopper (12) is provided with an internal screw thread (111). The thread (111) matches the external thread, and the bottle stopper (12) is sealed and fixed in the bottle mouth (11) through the cooperation of the external thread and the internal thread (111). 7. A nuclear magnetic tube cleaning device according to claim 1 or 2, characterized in that: the liquid adding device (2) also includes a connection for connecting the liquid storage tank (21) and the liquid adding device (22) The pipe (23), at the end where the connecting pipe (23) communicates with the liquid feeder (22) is also provided with a ground section (231), and the liquid feeder (22) is fixed by the ground section (231) on the connecting pipe (23). 8. A kind of nuclear magnetic tube cleaning device according to claim 1 or 2, characterized in that: the liquid adder (22) is a funnel-shaped container, and the inner wall of the upper end of the liquid adder (22) is provided with a The grinding mouth of the external storage bottle.