CN215029041U

CN215029041U - Self-cleaning sampler for chemical experiments in colleges and universities

Info

Publication number: CN215029041U
Application number: CN202121316947.5U
Authority: CN
Inventors: 邹娜
Original assignee: Heze University
Current assignee: Heze University
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-07
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a sampler for colleges and universities' chemistry experiments of automatically cleaning, inhale including liquid and put the pipe, liquid is inhaled and is put fixed protection return bend that is equipped with of pipe one end, the fixed sampling tube that is equipped with of protection return bend other end, the fixed leak protection groove that is equipped with of sampling tube one end, two sample connection have been seted up to sampling tube one end, the sampling tube top is equipped with the scavenge pipe, the scavenge pipe bottom mounting is equipped with the outlet pipe. The utility model discloses a set up the sampling tube of L type, can follow the ration extraction sample reagent in the stock solution container, the extraction process is comparatively simple and safe, through setting up the leak protection groove, can prevent that sample reagent from drippage at the transfer in-process, the condition of having avoided its article in the corrosion laboratory takes place, through setting up the scavenge pipe, can accomplish the back in the sample and carry out self-cleaning to the sampling tube is inside, clean comparatively convenient and fast, the condition of having avoided polluting other reagents and influencing the experimental result appears.

Description

Self-cleaning sampler for chemical experiments in colleges and universities

Technical Field

The utility model relates to a sampler technical field, concretely relates to sampler for colleges and universities chemistry experiments of automatically cleaning.

Background

Chemical reagent needs to be used in the chemical experiment, chemical reagent is scientific research's basic material, need take out chemical reagent from stock solution container in the chemical experiment, then react and study in transferring it to reaction vessel, at this moment need use reagent sampling device, current common sampling device generally has instruments such as graduated flask, graduated flask or burette, pour chemical reagent into graduated flask or graduated flask from stock solution container, after the volume of volume reagent, pour into reaction vessel and react, such sample mode is comparatively simple.

At present, but it is when in actual use, comparatively difficult to control when empting reagent, causes easily to splash and drip, has the potential safety hazard, and after the sample is accomplished, can't carry out timely cleanness to its inside, can cause the pollution to other reagents that need the sample, influences the result of experiment.

Therefore, it is necessary to invent a self-cleaning sampler for chemical experiments in colleges and universities to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a colleges and universities' sampler for chemistry experiments of automatically cleaning, sampling tube through setting up the L type, can follow the stock solution container in ration extraction sample reagent, the extraction process is comparatively simple and safe, through setting up leak protection groove, can prevent that sample reagent from dripping in the transfer process, the condition of having avoided its article in the corruption laboratory takes place, through setting up the scavenge pipe, can accomplish the back to the sampling tube inside self-cleaning after the sample, it is clean comparatively convenient and fast, the condition of having avoided polluting other reagents and influencing the experimental result appears, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a self-cleaning sampler for chemical experiments in colleges and universities comprises a liquid absorbing and releasing pipe, wherein one end of the liquid absorbing and releasing pipe is fixedly provided with a protective bent pipe, one end of the protective bent pipe penetrates through one end of the liquid absorbing and releasing pipe and is communicated with the inside of the liquid absorbing and releasing pipe, the other end of the protective bent pipe is fixedly provided with a sampling pipe, one end of the sampling pipe is fixedly provided with a leakage-proof groove, one end of the sampling pipe is provided with two sampling ports, the sampling ports are arranged in the leakage-proof groove, the top of the sampling pipe is provided with a cleaning pipe, the bottom of the cleaning pipe is contacted with the top of the outer end of the liquid absorbing and releasing pipe, the bottom of the cleaning pipe is fixedly provided with a water outlet pipe, one end of the water outlet pipe penetrates through the bottom of the cleaning pipe and is communicated with the inside of the cleaning pipe, a first valve is fixedly arranged on the water outlet pipe, the top of the outer end of the sampling pipe is fixedly provided with a connecting pipe, and one end of the connecting pipe is communicated with the inside of the sampling pipe, the other end of the connecting pipe is connected with the other end of the water outlet pipe through threads, a piston block is arranged inside the liquid sucking and releasing pipe, the outer end of the piston block is in contact with the inner wall of the liquid sucking and releasing pipe, a push rod is fixedly arranged on one side of the piston block, and one end of the push rod penetrates through the other end of the liquid sucking and releasing pipe and extends to the outside of the liquid sucking and releasing pipe.

Preferably, one end of the push rod is fixedly provided with a connecting plate, and the connecting plate is arranged on the outer side of the other end of the liquid sucking and releasing pipe.

Preferably, a water adding pipe is fixedly arranged at the top end of the cleaning pipe, one end of the water adding pipe penetrates through the top end of the cleaning pipe and is communicated with the inside of the cleaning pipe, and a second valve is fixedly arranged on the water adding pipe.

Preferably, the outer end of the sampling tube is provided with scale marks.

Preferably, the outer end of the bottom of the liquid sucking and releasing pipe is fixedly provided with a handle, and the outer end of the handle is fixedly provided with an anti-skidding rubber sleeve.

Preferably, the shape of the protection elbow is S-shaped.

Preferably, the shape of the sampling tube is L-shaped.

In the technical scheme, the utility model provides a technological effect and advantage:

the leakage-proof groove and one end of the sampling tube are inserted into the liquid storage container, the connecting plate is pulled to enable the liquid suction and discharge tube to form negative pressure, reagent can enter the sampling tube from the sampling port, one end of the leakage-proof groove and one end of the sampling tube are taken out of the liquid storage container, the leakage-proof groove can prevent the reagent from dripping in the transfer process, the connecting plate is pushed to enable the reagent in the sampling tube to enter the reaction container through the sampling port, the quantity of the reagent entering the reaction container can be observed by observing scale marks on the sampling tube, after the sampling is finished, the first valve and the second valve are opened, clear water in the cleaning tube can flow into the sampling tube through the water outlet tube and the connecting tube to be cleaned, the L-shaped sampling tube is arranged, the sample reagent can be quantitatively extracted from the liquid storage container, the extraction process is simpler and safer, and the leakage-proof groove can prevent the sample reagent from dripping in the transfer process, the condition of having avoided its article in the corruption laboratory takes place, through setting up the scavenge pipe, can accomplish the back at the sample and carry out self-cleaning to the sampling tube inside, clean comparatively convenient and fast has avoided polluting the condition appearance that other reagents influence the experimental result.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective sectional view of the leakage-proof groove of the present invention;

FIG. 3 is a schematic view of the three-dimensional disassembled structure of the water outlet pipe and the connecting pipe of the present invention;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of the liquid suction pipe of the present invention;

fig. 5 is a schematic view of the three-dimensional sectional structure of the cleaning tube of the present invention.

Description of reference numerals:

the device comprises a liquid suction and discharge pipe 1, a protective bent pipe 2, a sampling pipe 3, a leakage-proof groove 4, a sampling port 5, a cleaning pipe 6, a water outlet pipe 7, a first valve 8, a connecting pipe 9, a piston block 10, a push rod 11, a push plate 12, a water feeding pipe 13, a second valve 14, scale marks 15, a handle 16 and an anti-skid rubber sleeve 17.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a self-cleaning sampler for chemical experiments in colleges and universities as shown in figures 1-5, which comprises a liquid absorbing and releasing pipe 1, wherein one end of the liquid absorbing and releasing pipe 1 is fixedly provided with a protective elbow pipe 2, one end of the protective elbow pipe 2 passes through one end of the liquid absorbing and releasing pipe 1 and is communicated with the inside of the liquid absorbing and releasing pipe 1, the other end of the protective elbow pipe 2 is fixedly provided with a sampling pipe 3, one end of the sampling pipe 3 is fixedly provided with a leakage-proof groove 4, one end of the sampling pipe 3 is provided with two sampling ports 5, the sampling ports 5 are arranged inside the leakage-proof groove 4, the top of the sampling pipe 3 is provided with a cleaning pipe 6, the bottom end of the cleaning pipe 6 is contacted with the top of the outer end of the liquid absorbing and releasing pipe 1, the bottom end of the cleaning pipe 6 is fixedly provided with a water outlet pipe 7, one end of the water outlet pipe 7 passes through the bottom end of the cleaning pipe 6 and is communicated with the inside of the cleaning pipe 6, the water outlet pipe 7 is fixedly provided with a first valve 8, the sampling tube 3 is characterized in that a connecting pipe 9 is fixedly arranged at the top of the outer end of the sampling tube 3, one end of the connecting pipe 9 is communicated with the inside of the sampling tube 3, the other end of the connecting pipe 9 is connected with the other end of the water outlet pipe 7 through threads, a piston block 10 is arranged inside the liquid absorbing and releasing pipe 1, the outer end of the piston block 10 is contacted with the inner wall of the liquid absorbing and releasing pipe 1, a push rod 11 is fixedly arranged on one side of the piston block 10, one end of the push rod 11 penetrates through the other end of the liquid absorbing and releasing pipe 1 and extends to the outside of the liquid absorbing and releasing pipe 1, sample reagents can be quantitatively extracted from a liquid storage container through arranging an L-shaped sampling tube 3, the extraction process is simple and safe, the sample reagents can be prevented from dropping in the transfer process through arranging a leakage-proof groove 4, the corrosion of the sample reagents to articles in a laboratory is avoided, and through arranging a cleaning tube 6, the inside of the sampling tube 3 can be automatically cleaned after the sampling is completed, the cleaning is convenient and fast, and the condition that other reagents are polluted to influence the experimental result is avoided.

The fixed connecting plate 12 that is equipped with of catch bar 11 one end, the connecting plate 12 is established in the liquid suction tube 1 other end outside, promotes around the catch bar 11 of being convenient for, and then is convenient for sampling tube 3 to extract and discharge reagent.

The top end of the cleaning pipe 6 is fixedly provided with a water adding pipe 13, one end of the water adding pipe 13 penetrates through the top end of the cleaning pipe 6 and is communicated with the inside of the cleaning pipe 6, and the water adding pipe 13 is fixedly provided with a second valve 14, so that clear water can be conveniently added into the cleaning pipe 6.

The outer end of the sampling tube 3 is provided with a scale mark 15, so that the discharged amount can be observed when the reagent is discharged into the reaction container, and quantitative sampling can be realized.

The outer end of the bottom of the liquid suction and discharge tube 1 is fixedly provided with a handle 16, the outer end of the handle 16 is fixedly provided with an anti-slip rubber sleeve 17, and the anti-slip rubber sleeve is convenient to take a sample and is handheld, so that the sample is convenient.

The shape of the protection elbow 2 is S-shaped, which can prevent the reagent from entering the liquid suction and discharge pipe 1 and can also prevent the water from flowing into the liquid suction and discharge pipe 1 during cleaning.

The shape of the sampling tube 3 is L-shaped, which can prevent the reagent from flowing into the liquid suction and release tube 1 and is convenient for cleaning.

The implementation mode is specifically as follows: the anti-slip rubber sleeve 17 is held by hand, the second valve 14 is opened, clear water is added into the cleaning pipe 6 from the water adding pipe 13, the anti-leakage groove 4 and one end of the sampling pipe 3 are inserted into the liquid storage container, the connecting plate 12 is pulled, the connecting plate 12 drives the push rod 11 to move outwards, the push rod 11 drives the piston block 10 to move towards the direction far away from the protective elbow pipe 2, negative pressure is formed inside the liquid suction and discharge pipe 1 at the moment, reagent can enter the sampling pipe 3 from the sample taking port 5, one end of the anti-leakage groove 4 and one end of the sampling pipe 3 are taken out of the liquid storage container and transferred into the reaction container, the anti-leakage groove 4 can prevent the reagent from dropping in the transfer process, the connecting plate 12 is pushed, the connecting plate 12 drives the push rod 11 and the piston block 10 to move towards the direction close to the protective elbow pipe 2, so that the reagent in the sampling pipe 3 can enter the reaction container through the sampling port 5, and the scale mark line 15 on the sampling pipe 3 is observed, the amount of the reagent entering the reaction vessel can be observed, when the sampling is completed, the first valve 8 and the second valve 14 are opened, the clear water in the cleaning tube 6 flows into the sampling tube 3 through the water outlet tube 7 and the connecting tube 9, and then flows out from the sampling port 5 at one end of the sampling tube 3, so that the interior of the sampling tube 3 can be cleaned, the utility model can quantitatively extract the sample reagent from the liquid storage vessel by arranging the L-shaped sampling tube 3, the extraction process is simple and safe, the sample reagent can be prevented from dripping in the transfer process by arranging the leakage-proof groove 4, the occurrence of the condition that the sample reagent corrodes articles in a laboratory is avoided, the interior of the sampling tube 3 can be automatically cleaned after the sampling is completed by arranging the cleaning tube 6, the cleaning is convenient and rapid, the condition that the influence of other reagents on the experimental result is avoided from being polluted is avoided, and the embodiment particularly solves the problem that the sampling device in the prior art is difficult to control when the reagent is poured, cause easily and splash and drip, have the potential safety hazard, and accomplish the back at the sample, can't carry out timely cleanness to its inside, can cause the pollution to other reagents that need the sample, influence the problem of the result of experiment.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a sampler for college chemistry experiments of automatically cleaning, includes liquid suction pipe (1), its characterized in that: the device is characterized in that one end of the liquid suction and discharge pipe (1) is fixedly provided with a protection bent pipe (2), one end of the protection bent pipe (2) penetrates through one end of the liquid suction and discharge pipe (1) and is communicated with the inside of the liquid suction and discharge pipe (1), the other end of the protection bent pipe (2) is fixedly provided with a sampling pipe (3), one end of the sampling pipe (3) is fixedly provided with a leakage-proof groove (4), one end of the sampling pipe (3) is provided with two sampling ports (5), the sampling ports (5) are arranged inside the leakage-proof groove (4), the top of the sampling pipe (3) is provided with a cleaning pipe (6), the bottom end of the cleaning pipe (6) is contacted with the top of the outer end of the liquid suction and discharge pipe (1), the bottom end of the cleaning pipe (6) is fixedly provided with a water outlet pipe (7), one end of the water outlet pipe (7) penetrates through the bottom of the cleaning pipe (6) and is communicated with the inside of the cleaning pipe (6), and a first valve (8) is fixedly arranged on the water outlet pipe (7), sampling tube (3) outer end top is fixed and is equipped with connecting pipe (9), connecting pipe (9) one end is linked together with sampling tube (3) inside, through threaded connection between the connecting pipe (9) other end and outlet pipe (7) other end, pipe (1) inside is equipped with piston piece (10) is inhaled to liquid, pipe (1) inner wall contact is inhaled with liquid in piston piece (10) outer end, fixed catch bar (11) that is equipped with in piston piece (10) one side, catch bar (11) one end is passed liquid and is inhaled the pipe (1) other end and extend to liquid and inhale and put pipe (1) outside.

2. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: one end of the push rod (11) is fixedly provided with a connecting plate (12), and the connecting plate (12) is arranged on the outer side of the other end of the liquid suction and discharge pipe (1).

3. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: the cleaning tube (6) top is fixed and is equipped with filler pipe (13), filler pipe (13) one end is passed cleaning tube (6) top and is linked together with cleaning tube (6) inside, fixed second valve (14) that are equipped with on filler pipe (13).

4. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: the outer end of the sampling tube (3) is provided with scale marks (15).

5. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: the outer end of the bottom of the liquid suction and release pipe (1) is fixedly provided with a handle (16), and the outer end of the handle (16) is fixedly provided with an anti-skidding rubber sleeve (17).

6. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: the shape of the protective elbow (2) is S-shaped.

7. A self-cleaning college chemical laboratory sampler according to claim 1, wherein: the sampling tube (3) is L-shaped.