CN216747250U - Temperature attaching pycnometer for specific gravity experiment - Google Patents
Temperature attaching pycnometer for specific gravity experiment Download PDFInfo
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- CN216747250U CN216747250U CN202220155209.5U CN202220155209U CN216747250U CN 216747250 U CN216747250 U CN 216747250U CN 202220155209 U CN202220155209 U CN 202220155209U CN 216747250 U CN216747250 U CN 216747250U
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- bottle
- capillary tube
- bottle body
- specific gravity
- pycnometer
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Abstract
The utility model discloses a temperature-attached pycnometer for a specific gravity experiment, which comprises a bottle body, wherein the top of the bottle body is provided with a bottle opening and a capillary tube a, a bottle stopper is arranged in the bottle opening in a matched manner, the capillary tube a is communicated with the bottle body, and one side of the capillary tube a, which is close to the bottle body, is provided with a valve; the bottle stopper is detachably provided with a capillary tube b and a thermometer which extend into the bottle body. The utility model is convenient to detect the specific gravity of various liquid test substances through the combination of the bottle body, the capillary tube, the valve, the bottle plug and the thermometer, the detachable capillary tube b is arranged in the middle of the bottle plug, a new discharge channel is added for the liquid test substances with higher density, the capillary tube b can be directly taken out and cleaned after the detection is finished, and meanwhile, the valve is arranged on the capillary tube a, and the valve is closed when the liquid test substances with higher density are discharged, so that the liquid test substances with higher density are prevented from being attached to the capillary tube a and being blocked; when the specific gravity of a liquid sample with low density is detected, the liquid sample can be discharged from the capillary tube a arranged at the top of the bottle body of the pycnometer or the capillary tube b arranged in the middle of the bottle plug, the operation is simple, the cleaning is convenient, and the detection purpose is wide.
Description
Technical Field
The utility model relates to the field of liquid sample specific gravity measuring devices, in particular to a temperature-attached specific gravity bottle for specific gravity experiments.
Background
The attached-temperature pycnometer is a glass utensil for measuring specific gravity of liquid, and can be used for measuring mass of liquid sample by means of simple weighing, and can be used for measuring density and specific gravity of liquid sample by means of known volume of pycnometer. When the density and the specific gravity of the liquid sample are measured, the redundant liquid sample in the bottle body of the temperature-attached pycnometer often flows out through the capillary, the caliber of the capillary is small, the liquid drop of the liquid sample with high density is often attached to the inner wall of the capillary due to strong viscosity, the liquid drop is difficult to clean, and the capillary is blocked, so that the temperature-attached pycnometer cannot be used. Therefore, the utility model aims to provide the temperature-attached pycnometer which can measure the specific gravity of different liquid test substances and is convenient to clean.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model aims to provide the temperature-attached specific gravity bottle which can measure the specific gravity of different liquid samples and is convenient to clean.
In order to solve the technical problem, the temperature-attached pycnometer for the specific gravity experiment comprises a bottle body, wherein the top of the bottle body is provided with a bottle opening and a capillary tube a, a bottle plug is arranged in the bottle opening in a matched manner, the capillary tube a is communicated with the bottle body, and one side, close to the bottle body, of the capillary tube a is provided with a valve; the bottle stopper is detachably provided with a capillary tube b and a thermometer which extend into the bottle body.
Further, the capillary tube b penetrates through a through hole a formed in the middle of the bottle plug and is communicated with the bottle body, and the thermometer penetrates through a through hole b formed in the bottle plug and extends into the bottle body.
Further, the valve is arranged at the position, close to 1-3cm of the bottle body, of the capillary tube a.
Further, the inner side of the bottle opening is frosted, and the bottle stopper is of a bamboo hat-shaped structure and frosted on the outer edge of the bottle opening.
Furthermore, the capillary tube b and the thermometer are respectively matched with the calibers of the through hole a and the through hole b, and the joint of the capillary tube and the thermometer with the through hole a and the through hole b is sealed.
Compared with the prior art, the utility model has the following advantages:
1. the utility model is convenient to detect the specific gravity of various liquid samples through the combination of the bottle body, the capillary tube, the valve, the bottle plug and the thermometer, the detachable capillary tube b is arranged in the middle of the bottle plug, a new discharge channel is added for the liquid sample with higher density, the capillary tube b can be directly taken out of the bottle plug for cleaning after the detection is finished, the valve is arranged on the capillary tube a on the side wall of the bottle opening, and the valve is closed when the liquid sample with higher density is discharged, so that the liquid sample with higher density is prevented from being attached to the capillary tube a to be blocked; when the specific gravity of a liquid sample with low density is detected, the liquid sample can be discharged from the capillary tube a arranged at the top of the bottle body of the pycnometer or the capillary tube b arranged in the middle of the bottle plug, the operation is simple, the cleaning is convenient, and the detection purpose is wide.
2. According to the utility model, the valve is arranged in the range of 1-3cm at the joint of the capillary tube a and the bottle body, and the inner wall of the capillary tube a extending into the front cavity of the valve from the bottle opening can be cleaned by using the cleaning brush.
3. According to the utility model, the bamboo hat-shaped bottle plug is used, the capillary tube is inserted into the middle part of the bottle plug, so that the discharge of gas and redundant liquid test substances is facilitated when the bottle body is filled with the liquid test substances, and the precision of a specific gravity detection experiment is effectively improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the bottle stopper structure of the present invention.
In the figure: 1. bottle body, 11, bottle mouth, 12, capillary tubes a, 13, valve, 2, bottle stopper, 21, capillary tubes b, 22, thermometer, 23, through holes a, 24 and through hole b.
Detailed Description
The utility model is further described below with reference to fig. 1 and 2.
Example (b):
as shown in fig. 1 and 2, the temperature-attached pycnometer for the specific gravity experiment comprises a bottle body 1, wherein the top of the bottle body 1 is provided with a bottle opening 11 and a capillary a12, a bottle stopper 2 is arranged in the bottle opening 11 in a matching manner, the capillary a12 is communicated with the bottle body 1, and one side of the capillary a12, which is close to the bottle body 1, is provided with a valve 13; the bottle stopper 2 is detachably provided with a capillary tube b21 extending into the bottle body and a thermometer 22.
Preferably, the capillary tube b21 passes through a through hole a23 formed in the middle of the stopper 2 to communicate with the flask 1, and the thermometer 22 passes through a through hole b24 formed in the stopper 2 to extend into the flask 1.
In order to facilitate the cleaning of the capillary tube a in the valve front cavity, the valve 13 is arranged at the position of 1-3cm close to the bottle body 1 of the capillary tube a 12.
In order to ensure that the gas and the redundant liquid sample in the bottle body are completely discharged, the inner side of the bottle opening 11 is frosted, and the bottle stopper 2 is in a bamboo hat-shaped structure, and the outer edge of the stopper opening is frosted.
In order to ensure the sealing performance of the bottle stopper, the capillary tube b21 and the thermometer 22 are respectively matched with the calibers of the through hole a23 and the through hole b24, and the joint parts of the capillary tube 21 and the thermometer 22 with the through hole a23 and the through hole b24 are sealed.
The using process of the utility model is as follows:
before the bottle stopper 2 is used, the bottle stopper 2 is inserted into the bottle opening 11, the capillary tube b21 and the thermometer 22 are inserted into the bottle stopper 2, and the sealing performance is checked respectively to ensure good sealing performance.
Cleaning and drying a bottle body 1, a bottle stopper 2, a capillary tube a12, a capillary tube b21 and a thermometer 22, weighing the mass of the test sample, putting the test sample into the bottle body 1 to a bottle opening 11, moving the test sample into a constant-temperature water bath with the temperature difference of no more than 1 ℃ to soak for 10-20min, inserting the bottle stopper 2 into the bottle opening 11 when the test sample also reaches the temperature, inserting the capillary tube b21 and the thermometer 22 into the bottle stopper 2 through a through hole a23 and a through hole b24, allowing the redundant liquid test sample or gas to flow out of the capillary tube, wiping the test sample or gas clean with filter paper, moving the test sample into a balance after wiping the test sample to weigh the test sample, deducting the mass of the bottle, namely the mass of the test sample, pouring and cleaning the test sample, changing the test sample into distilled water, weighing the mass of the test sample, and then removing the mass of the test sample to obtain the density of the test sample.
When detecting a high-density liquid sample, closing a valve 13 on a capillary tube a12 on the side wall of the bottle body 1, putting the sample into the bottle body 1 to a bottle opening 11, moving the sample into a constant-temperature water bath at 25 ℃ (the temperature difference amplitude does not exceed 1 ℃) to soak for 10-20min, inserting a capillary tube b21 and a thermometer 22 through a through hole a23 and a through hole b24 when the sample reaches the temperature, and discharging the redundant liquid sample and gas in the bottle body 1 from a capillary tube b21 in the middle of the bottle stopper 2; after the experiment is finished, the bottle stopper 2 and the capillary tube b21 are detached for cleaning, and simultaneously, the cleaning brush is extended into the inner wall of the capillary tube a12 of the front cavity of the valve 13 from the bottle mouth 11 for cleaning and standby.
When a small-density liquid sample is detected, a valve 13 on a capillary tube a12 on the side wall of the bottle body 1 is opened, the sample is put into the bottle body 1 to a bottle opening 11, the sample is moved into a constant-temperature water bath at 25 ℃ (the temperature difference amplitude does not exceed 1 ℃) to be soaked for 10-20min, when the sample reaches the temperature, a capillary tube b21 and a thermometer 22 are inserted through a through hole a23 and a through hole b24, and redundant liquid sample and gas in the bottle body 1 are discharged from a capillary tube a12 or a capillary tube b21 on the side wall of the bottle body 1; after the experiment is finished, the bottle stopper 2 and the capillary b21 are removed for cleaning, and simultaneously, a cleaning agent is added into the bottle body 1 to clean the capillary a12 and the valve 13.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and those skilled in the art can make general changes and substitutions within the technical scope of the present invention, and the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an attach warm pycnometer that proportion experiment was used, includes bottle (1), the top of bottle (1) is provided with bottleneck (11), capillary a (12), supporting bottle plug (2) that are provided with in bottleneck (11), capillary a (12) with bottle (1) intercommunication, its characterized in that: a valve (13) is arranged on one side of the capillary tube a (12) close to the bottle body (1); the bottle stopper (2) is detachably provided with a capillary tube b (21) and a thermometer (22) which extend into the bottle body.
2. The attached temperature pycnometer for specific gravity experiment according to claim 1, characterized in that: the capillary tube b (21) penetrates through a through hole a (23) formed in the middle of the bottle stopper (2) and is communicated with the bottle body (1), and the thermometer (22) penetrates through a through hole b (24) formed in the bottle stopper (2) and extends into the bottle body (1).
3. The attached temperature pycnometer for specific gravity experiment according to claim 1, characterized in that: the valve (13) is arranged at the position, which is 1-3cm close to the bottle body (1), of the capillary tube a (12).
4. The attached temperature pycnometer for specific gravity experiment according to claim 1, characterized in that: the inner side of the bottle mouth (11) is frosted, and the bottle stopper (2) is of a bamboo hat-shaped structure, and the outer edge of the bottle stopper opening is frosted.
5. The attached temperature pycnometer for specific gravity experiment according to claim 2, characterized in that: the capillary tube b (21) and the thermometer (22) are respectively matched with the calibers of the through hole a (23) and the through hole b (24), and the joint of the capillary tube b (21) and the thermometer (22) with the through hole a (23) and the through hole b (24) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220155209.5U CN216747250U (en) | 2022-01-20 | 2022-01-20 | Temperature attaching pycnometer for specific gravity experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220155209.5U CN216747250U (en) | 2022-01-20 | 2022-01-20 | Temperature attaching pycnometer for specific gravity experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747250U true CN216747250U (en) | 2022-06-14 |
Family
ID=81914046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220155209.5U Active CN216747250U (en) | 2022-01-20 | 2022-01-20 | Temperature attaching pycnometer for specific gravity experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216747250U (en) |
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2022
- 2022-01-20 CN CN202220155209.5U patent/CN216747250U/en active Active
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