CN218822596U - Automatic liquid constant volume device with constant-temperature water bath - Google Patents
Automatic liquid constant volume device with constant-temperature water bath Download PDFInfo
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- CN218822596U CN218822596U CN202223059774.0U CN202223059774U CN218822596U CN 218822596 U CN218822596 U CN 218822596U CN 202223059774 U CN202223059774 U CN 202223059774U CN 218822596 U CN218822596 U CN 218822596U
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Abstract
The utility model discloses a take automatic constant temperature water bath's of liquid constant temperature water bath constant volume device, including holding the bottle surely and setting up the casing outside constant volume bottle body, form a sealed cavity between shells inner wall and the body outer wall, sealed cavity is used for holding the fluid, is provided with on the casing with the communicating water inlet of sealed cavity and delivery port, realizes letting in liquid or outflow liquid, forms the outer constant temperature water bath structure of constant volume bottle body. The device of the utility model is simple in structure is compact, can utilize the thermostatic water bath to carry out quick cooling to high temperature liquid, and the cooling finishes and carries out direct constant volume again, can realize the quick automatic constant volume to high temperature liquid.
Description
Technical Field
The utility model relates to a laboratory paraphernalia technical field, concretely relates to take automatic constant volume device of liquid of thermostatic waterbath.
Background
According to the regulation of the national standard GB/T176, in the preparation experiment of the cement sample solution, the boiled solution needs to be cooled and then subjected to constant volume, and the traditional treatment method is that the high-temperature solution is firstly cooled to the room temperature and then transferred to a constant volume bottle for constant volume. In an automatic constant volume device, if two processes of cooling and constant volume are divided into two parts to be completed, the system structure is complex and the volume is huge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take automatic constant volume device of liquid of thermostatic waterbath uses the device can shift liquid to surely holding the bottle earlier, utilizes and surely holds the outer thermostatic waterbath of bottle and cool off fast, then carries out the constant volume again, provides a high-efficient compact solution for the quick automatic constant volume of high temperature solution.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a take constant temperature water bath's automatic constant volume device of liquid, is including holding the bottle surely and setting up the casing outside constant volume bottle body, form a sealed cavity between shells inner wall and the body outer wall, sealed cavity is used for holding the fluid, is provided with on the casing with communicating water inlet of sealed cavity and delivery port, realize letting in liquid or outflow liquid, form the outer constant temperature water bath structure of constant volume bottle body.
Preferably, the bottle body is cylindrical cavity, and the cavity bottom sets up the leakage fluid dram, and cavity one side is provided with the suction tube, and the bottom and the cavity intercommunication of suction tube.
Preferably, a liquid level sensor is arranged on the suction pipe.
Preferably, a second cavity communicated with the cylindrical cavity is further arranged at the bottleneck of the fixed-volume bottle, and the diameter of the second cavity is smaller than that of the cylindrical cavity and larger than that of the bottleneck.
Preferably, a first interface is arranged on the second cavity to form a constant volume port.
Preferably, the upper part of the bottle neck is provided with a second interface to form a cleaning liquid inlet.
Preferably, the shell is provided with two water outlets, and at least one water outlet is arranged at the upper part of the shell.
Preferably, upper and lower opening department of casing all sets up the seal groove, sets up the sealing washer in the seal groove, and the sealing washer closely cooperates with the constant volume bottle, forms closed cavity between casing and the constant volume bottle body, realizes letting in the seal of liquid or outflow liquid.
The utility model has the advantages that:
the above technical scheme is adopted in the utility model, the device simple structure is compact, can utilize the thermostatic waterbath to carry out quick cooling to high temperature liquid, and the cooling finishes and carries out direct constant volume again, can realize the quick automatic constant volume to high temperature liquid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art and the advantages of the present invention, the drawings required for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other structures can be obtained according to the structures shown in the drawings without any creative work.
Fig. 1 is a schematic structural view of the fixed-capacity bottle of the present invention.
Fig. 2 is a cross-sectional view of the middle case of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
The reference numbers indicate: the device comprises a cylindrical cavity-1, a liquid outlet-2, a suction pipe-3, a bottleneck-4, a constant volume port-5, a cleaning liquid inlet-6, an opening-7, a suction pipe opening-8, a first opening-9, a second opening-10, a cavity-11, a water inlet-12, an upper sealing groove-13, a constant volume bottle-14, a shell-15 and a lower sealing groove-16.
Detailed Description
The utility model discloses a concrete embodiment:
as shown in fig. 1-fig. 3, the automatic constant volume device with constant temperature water bath of this embodiment includes a constant volume bottle 14 and a casing 15 disposed outside the constant volume bottle, a sealed cavity is formed between the inner wall of the casing and the outer wall of the bottle, the sealed cavity is used for containing fluid, a water inlet and a water outlet communicated with the sealed cavity are disposed on the casing, so as to realize liquid introduction or liquid outflow and form a constant temperature water bath structure outside the constant volume bottle.
In some embodiments, the constant volume bottle comprises a bottle body and a bottle neck 4, and is of a large-bottom and thin-top structure, the bottle body is a cylindrical cavity 1, and a liquid outlet 2 is arranged at the bottom.
In some embodiments, a suction tube 3 is arranged on one side of the cavity, the opening 8 of the suction tube is fixed to the bottleneck, the bottom of the suction tube is communicated with the cavity, a liquid level sensor (not shown in the figure) is arranged on the suction tube, and the liquid level sensor is connected with the control unit to realize an automatic constant volume function.
In some embodiments, a second cavity is further disposed at the bottle neck, and the diameter of the second cavity is smaller than that of the cylindrical cavity and larger than that of the bottle neck.
In some embodiments, the second cavity is provided with a first port to form a constant volume port 5.
In some embodiments the upper part of the bottle neck is provided with a second interface forming the cleaning liquid inlet 6.
In some embodiments, the upper end of the shell is provided with a first water outlet 9 and a second water outlet 10, and the shell can realize liquid or effluent through the arrangement of the water inlet 12, the first water outlet 9 and the second water outlet 10.
In some embodiments, an upper sealing groove 13 is formed in the upper opening of the shell, a lower sealing groove 16 is formed in the lower opening of the shell, sealing rings are arranged in the sealing grooves and are tightly matched with two ends of the constant volume bottle, a closed cavity is formed between the shell and the constant volume bottle, and liquid or effluent is introduced.
The working process of the utility model is as follows:
1) The high-temperature solution enters the constant volume bottle from a solution opening 7 of the constant volume bottle;
2) Water with the constant temperature of 25 ℃ is pumped in from the water inlet 12 of the water bath shell by the water pump and then flows back to the constant temperature water tank from the first water outlet and the second water outlet;
3) The high temperature solution is rapidly cooled to 25 ℃ by the water bath shell;
4) The automatic constant volume process begins, and the pure water slowly pumps into the constant volume bottle from constant volume bottle constant volume mouth, installs the level sensor real-time acquisition signal on the constant volume bottle suction tube, when the liquid level reachs and sets for the scale mark, stops to pump into the pure water, and the constant volume finishes this moment.
5) After the constant volume is finished, bubbles can be blown in from the suction port of the constant volume bottle to stir the solution, so that the solution is uniformly stirred.
6) Upon completion of the agitation, a fixed amount of liquid may be withdrawn from the aspiration port of the volumetric flask for analytical testing.
7) After the analytical test, the excess sample solution can be drained from the bottom drain.
8) After the solution is discharged, purified water can be pumped into the volumetric flask from the cleaning solution inlet of the constant volume bottle to clean the volumetric flask, and the liquid after cleaning is still discharged from the liquid discharge port.
The beneficial effects of the utility model reside in that:
the problem that the system structure is complex and large due to the fact that the solution is cooled in the cooling unit and then transferred to the constant volume bottle for constant volume when the high-temperature solution is subjected to automatic constant volume in the prior art is solved. The device of the utility model is simple in structure is compact, can utilize the thermostatic waterbath to carry out quick cooling to high temperature liquid, and the cooling finishes and carries out direct constant volume again, can realize the quick automatic constant volume to high temperature liquid.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a take automatic constant temperature water bath's of liquid constant temperature water bath device which characterized in that, is including holding the bottle surely and setting up the casing outside constant temperature bottle body, form a sealed cavity between shells inner wall and the body outer wall, sealed cavity is used for holding the fluid, is provided with on the casing with communicating water inlet and delivery port of sealed cavity, realizes letting in liquid or outflow liquid, forms the outer constant temperature water bath structure of constant temperature bottle body.
2. The automatic liquid volume metering device with the thermostatic water bath according to claim 1, wherein the bottle body is a cylindrical cavity, a liquid outlet is formed in the bottom of the cavity, a suction pipe is arranged on one side of the cavity, and the bottom of the suction pipe is communicated with the cavity.
3. The automatic constant volume device for liquid with thermostatic waterbath according to claim 2, characterized in that the suction tube is provided with a liquid level sensor.
4. The automatic constant volume device for liquid with thermostatic water bath according to claim 3, wherein the bottleneck of the volumetric flask is provided with a second cavity which is communicated with the cylindrical cavity, and the diameter of the second cavity is smaller than that of the cylindrical cavity and larger than that of the bottleneck.
5. The automatic constant volume device for liquid with thermostatic waterbath according to claim 4, wherein the second cavity is provided with a first interface.
6. The automatic constant volume device for liquid with thermostatic waterbath according to claim 5, characterized in that the upper part of the bottle neck is provided with a second interface.
7. The automatic constant volume device for liquid with thermostatic waterbath according to claim 6, characterized in that the shell is provided with two water outlets, and at least one water outlet is arranged at the upper part of the shell.
8. The automatic constant volume device for liquid with constant temperature water bath according to claim 7, wherein sealing grooves are arranged at the upper opening and the lower opening of the shell, and sealing rings are arranged in the sealing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059774.0U CN218822596U (en) | 2022-11-17 | 2022-11-17 | Automatic liquid constant volume device with constant-temperature water bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223059774.0U CN218822596U (en) | 2022-11-17 | 2022-11-17 | Automatic liquid constant volume device with constant-temperature water bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218822596U true CN218822596U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223059774.0U Active CN218822596U (en) | 2022-11-17 | 2022-11-17 | Automatic liquid constant volume device with constant-temperature water bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218822596U (en) |
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2022
- 2022-11-17 CN CN202223059774.0U patent/CN218822596U/en active Active
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