CN212658626U - Novel pH test paper device - Google Patents
Novel pH test paper device Download PDFInfo
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- CN212658626U CN212658626U CN202020787405.5U CN202020787405U CN212658626U CN 212658626 U CN212658626 U CN 212658626U CN 202020787405 U CN202020787405 U CN 202020787405U CN 212658626 U CN212658626 U CN 212658626U
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Abstract
The utility model belongs to the technical field of chemical experiment detection, and discloses a novel pH test paper device, which is provided with a bottom shell, wherein the upper part of the bottom shell is open, and the lower part of the bottom shell is closed; a cover plate is clamped at the upper part of the bottom shell, and a round hole is formed in the middle of the cover plate; a fixed rod, first test paper and second test paper are placed in the bottom shell; a comparison table is fixed at the lower part of the cover plate; the bottom shell, the cover plate and the fixing rods are made of transparent plastics, and the diameter of the round hole is consistent with that of the fixing rods; the color blocks are arranged on the comparison table and are uniformly arranged in a circular shape, and the outer sides of the color blocks are provided with corresponding PH values. The utility model is convenient and fast to use, and can be compared by rotating the test paper; a comparison table is set, so that a more accurate detection result can be obtained during detection; through setting up drain pan and apron, when not using, can place test paper and dead lever inside the drain pan, be difficult to lose, can protect test paper and contrast table simultaneously.
Description
Technical Field
The utility model belongs to the technical field of chemical experiment detects, especially, relate to a novel pH test paper device.
Background
At present, pH test paper is a common method for measuring pH value, a solution is often required to be measured when a chemical experiment and a medical test are carried out, one end of the common test paper is adhered together, one test paper is torn off when the common test paper is used, the common test paper is placed on an experiment table, a drop of solution to be measured is dipped by a dry glass rod and is dripped on the test paper, and the pH value of the solution can be known by comparing the color change of the test paper with a standard colorimetric card; moreover, the paradigm is easy to pollute the standard colorimetric card and cannot be used; when no standard colorimetric card exists, people are required to subjectively judge the PH value, and the measured result has larger error; at present, a pH meter is used in a laboratory, although the detection result of the pH meter is accurate, the pH meter needs to be calibrated before being used every time, the operation steps are complex, and the time is wasted.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing pH test paper is easy to be polluted, can be tried out only by additionally preparing a standard colorimetric card, is inconvenient to operate, needs people to subjectively judge the pH value when no standard colorimetric card exists, and has larger error in the measured result.
(2) The pH meter needs to be calibrated before each use, the operation steps are cumbersome, and time is wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a novel pH test paper device.
The utility model is realized in such a way that the novel pH test paper device is provided with a bottom shell, the upper part of the bottom shell is provided with an opening, and the lower part is closed; a cover plate is clamped at the upper part of the bottom shell, and a round hole is formed in the middle of the cover plate; a fixed rod, first test paper and second test paper are placed in the bottom shell; and a comparison table is fixed at the lower part of the cover plate.
Further, drain pan, apron and dead lever are transparent plastic material, the round hole diameter is unanimous with the dead lever diameter.
Further, the first test paper is circular, a circular hole is formed in the middle of the first test paper, a test paper layer is arranged on the first test paper, perforated paper is fixed on the test paper layer, 10 through holes are formed in the perforated paper, the through holes are uniformly arranged in a circular shape, and serial numbers are arranged on the inner sides of the through holes; and an anti-permeation layer is arranged on the lower side of the test paper layer.
Further, the second test paper is circular, a circular hole is formed in the middle of the second test paper, a test paper layer is arranged on the second test paper, octagonal paper is fixed on the test paper layer and is in a regular octagonal shape, and numbers are arranged at inner corners of the regular octagonal paper; and an anti-permeation layer is arranged on the lower side of the test paper layer.
Furthermore, color blocks are arranged on the comparison table, the color blocks are uniformly arranged in a circular shape, and the outer sides of the color blocks are provided with corresponding PH values.
Further, the diameters of the first test paper and the second test paper are smaller than the diameter of the comparison table.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the utility model is convenient and fast to use, and can be compared by rotating the test paper; and a comparison table is arranged, so that a more accurate detection result can be obtained during detection. The utility model discloses a set up drain pan and apron, when not using, can place test paper and dead lever inside the drain pan, be difficult to lose, can protect test paper and reference table simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel pH test paper provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a comparison table provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first test strip provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second test strip provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a test paper layer provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an anti-permeation layer provided by an embodiment of the present invention;
in the figure: 1. fixing the rod; 2. a cover plate; 3. a comparison table; 4. a first test paper; 5. a bottom case; 6. color blocks; 7. a test paper layer; 8. a through hole; 9. perforated paper; 10. a second test paper; 11. octagonal paper; 12. and (4) a permeation-preventing layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a novel pH test paper device, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1 to 6, the present invention provides a novel pH indicator paper device, which comprises: the test paper comprises a fixing rod 1, a cover plate 2, a comparison table 3, first test paper 4, a bottom shell 5, color blocks 6, a test paper layer 7, through holes 8, perforated paper 9, second test paper 10, octagonal paper 11 and an anti-permeation layer 12.
The upper part of the bottom shell 5 is opened, and the lower part is closed; the upper part of the bottom shell 5 is clamped with a cover plate 2, and the middle part of the cover plate 2 is provided with a round hole; a fixed rod 1, a first test paper 4 and a second test paper 10 are placed in a bottom shell 5; a comparison table 3 is fixed at the lower part of the cover plate 2; the utility model is convenient and fast to use, and can be compared by rotating the test paper; and a comparison table 3 is arranged, so that a more accurate detection result can be obtained during detection.
The bottom shell 5, the cover plate 2 and the fixing rod 1 are made of transparent plastics, and the diameter of the round hole is consistent with that of the fixing rod 1; the utility model discloses a set up drain pan 5 and apron 2, when not using, can place test paper and dead lever 1 inside drain pan 5, be difficult to lose, can protect test paper and contrast table 3 simultaneously.
The first test paper 4 is circular, a circular hole is formed in the middle of the first test paper 4, a test paper layer 7 is arranged on the first test paper, perforated paper 9 is fixed on the test paper layer 7, 10 through holes 8 are formed in the perforated paper 9, the through holes 8 are uniformly arranged in a circular shape, and serial numbers are arranged on the inner sides of the through holes 8; the anti-seepage layer 12 is arranged on the lower side of the test paper layer 7, so that the detection liquid can be prevented from permeating.
The second test paper 10 is circular, a circular hole is formed in the middle of the second test paper, the test paper layer 7 is arranged, octagonal paper 11 is fixed on the test paper layer 7, the octagonal paper 11 is in a regular octagon shape, and numbers are arranged at the inner corners of the regular octagon; the anti-seepage layer 12 is arranged on the lower side of the test paper layer 7, so that the detection liquid can be prevented from permeating.
The comparison table 3 is provided with color blocks 6, the color blocks 6 are uniformly arranged in a circular shape, and the outer sides of the color blocks 6 are provided with corresponding PH values.
The diameters of the first test strip 4 and the second test strip 10 are smaller than those of the comparative table 3.
The utility model discloses a theory of operation does: taking the first test paper 4 or the second test paper 10 and the fixing rod 1 out of the bottom case 5, inserting the fixing rod 1 into the round hole of the cover plate 2 for fixing, fixing the first test paper 4 or the second test paper 10 on the fixing rod 1, dropping the solution to be detected on the first test paper 4 or the second test paper 10, rotating the first test paper 4 or the second test paper 10 to compare with the color block 6 on the comparison table 3 after the color changes, and obtaining the pH value of the solution to be detected.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (6)
1. The utility model provides a novel pH test paper device which characterized in that, novel pH test paper device is provided with:
a bottom case;
the upper part of the bottom shell is opened, and the lower part of the bottom shell is closed; a cover plate is clamped at the upper part of the bottom shell, and a round hole is formed in the middle of the cover plate; a fixed rod, first test paper and second test paper are placed in the bottom shell; and a comparison table is fixed at the lower part of the cover plate.
2. The novel pH test paper device as claimed in claim 1, wherein the bottom shell, the cover plate and the fixing rod are made of transparent plastic, and the diameter of the round hole is consistent with that of the fixing rod.
3. The novel pH test paper device as claimed in claim 1, wherein the first test paper is circular, a circular hole is formed in the middle of the first test paper, a test paper layer is arranged on the first test paper layer, perforated paper is fixed on the test paper layer, 10 through holes are formed in the perforated paper, the through holes are uniformly arranged in a circular shape, and numbers are arranged on the inner sides of the through holes; and an anti-permeation layer is arranged on the lower side of the test paper layer.
4. The novel pH test paper device as claimed in claim 1, wherein the second test paper is circular, a round hole is formed in the middle of the second test paper, a test paper layer is arranged on the round hole, octagonal paper is fixed on the test paper layer, the octagonal paper is in a regular octagon shape, and numbers are arranged at inner corners of the regular octagon; and an anti-permeation layer is arranged on the lower side of the test paper layer.
5. The novel pH test paper device as claimed in claim 1, wherein the comparison table is provided with color blocks which are uniformly arranged in a circular shape, and the outer sides of the color blocks are provided with corresponding pH values.
6. The novel pH paper device of claim 1, wherein said first and second paper have a diameter less than the diameter of said control table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787405.5U CN212658626U (en) | 2020-05-13 | 2020-05-13 | Novel pH test paper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787405.5U CN212658626U (en) | 2020-05-13 | 2020-05-13 | Novel pH test paper device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658626U true CN212658626U (en) | 2021-03-05 |
Family
ID=74747682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020787405.5U Active CN212658626U (en) | 2020-05-13 | 2020-05-13 | Novel pH test paper device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658626U (en) |
-
2020
- 2020-05-13 CN CN202020787405.5U patent/CN212658626U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210818 Address after: No.8 shiniuyan street, Jinjiang District, Chengdu, Sichuan 610000 Patentee after: Chengdu Xi Nan gynecological hospital Co.,Ltd. Address before: No. 2101, unit 1, building 4, No. 666, Guoxiang street, Jinjiang District, Chengdu, Sichuan 610011 Patentee before: Wen Zina |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: 610000 Chengdu Tianfu International Biologics (No. 8 Huigu East 2nd Road, Shuangliu District, Chengdu, Sichuan Province, China) Patentee after: CHENGDU PUHUA TECHNOLOGY Co.,Ltd. Address before: No.8 shiniuyan street, Jinjiang District, Chengdu, Sichuan 610000 Patentee before: Chengdu Xi Nan gynecological hospital Co.,Ltd. |
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| TR01 | Transfer of patent right |