CN216870346U - Water quality chromaticity comparison device capable of reducing subjectivity judgment - Google Patents
Water quality chromaticity comparison device capable of reducing subjectivity judgment Download PDFInfo
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- CN216870346U CN216870346U CN202122374847.4U CN202122374847U CN216870346U CN 216870346 U CN216870346 U CN 216870346U CN 202122374847 U CN202122374847 U CN 202122374847U CN 216870346 U CN216870346 U CN 216870346U
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- rotating shaft
- vertical rotating
- test tube
- gland
- water quality
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Abstract
The utility model discloses a water quality chromaticity comparison device capable of reducing subjectivity judgment, which comprises a base, wherein a central shaft hole protruding from the upper end surface of the base is arranged at the central position of the base, a vertical rotating shaft is rotationally arranged in the central shaft hole, a small motor drives the vertical rotating shaft to rotate, a test tube rack is fixedly arranged at the top end of the vertical rotating shaft, and a sample test tube and a reference test tube are symmetrically erected on two sides of the vertical rotating shaft through the test tube rack; slide in the vertical pivot and set up the telescopic link, the telescopic link top is provided with the gland, the gland up end is provided with presses the handle, the gland for press the handle and rotate. According to the utility model, the effect of stopping immediately by pressing the movable part and the loose part is realized by matching the telescopic rod with the pressure switch, and the operation is simple and smooth by pressing the loose part; the annular shielding plate is utilized to shield the coding plate so as to reduce subjectivity judgment and enable the comparison result to be more accurate and reliable.
Description
Technical Field
The utility model relates to the field of water quality detection, in particular to a water quality chromaticity comparison device capable of reducing subjectivity judgment.
Background
In the water quality testing, often adopt titration indicator, judge water quality through the development of color, but sometimes the people to the judgement of colour, there is subjective intention, and when the colour department is between two close contrast colours, when fuzzy, often can appear because the monitoring result that people's subjectivity judgement leads to and actually not accord with the phenomenon, consequently make the judgement through the supplementary examinee of instrument to reduce the subjectivity and judge, have important meaning to obtaining accurate reliable monitoring result.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the water quality chromaticity comparison device which reduces subjective judgment, and the result is more accurate and reliable.
The technical scheme is as follows: in order to achieve the purpose, the water quality chromaticity comparison device capable of reducing subjectivity judgment comprises a base, wherein a central shaft hole protruding from the upper end surface of the base is formed in the central position of the base, a vertical rotating shaft is arranged in the central shaft hole in a rotating mode, a motor mounting hole is formed in the bottom surface of the base corresponding to the central shaft hole, a small motor is fixedly mounted in the motor mounting hole, an output shaft of the small motor penetrates through the central shaft hole to be mounted with the vertical rotating shaft in a matched mode, the small motor drives the vertical rotating shaft to rotate, a test tube rack is fixedly arranged at the top end of the vertical rotating shaft, the test tube rack is symmetrically arranged by taking the vertical rotating shaft as the center, and a sample test tube and a reference test tube are symmetrically arranged on two sides of the vertical rotating shaft through the test tube rack; the upper end face of the vertical rotating shaft is provided with a cylindrical sliding groove downwards, a telescopic rod is arranged in the cylindrical sliding groove in a sliding mode, the lower end of the telescopic rod is connected to the bottom of the cylindrical sliding groove through a spring, a gland is arranged at the top end of the telescopic rod, the upper end face of the gland is provided with a pressing handle, and the gland rotates relative to the pressing handle.
Further, vertical pivot top is provided with ring groove, the ring groove bottom is provided with pressure switch, pressure switch control gives the small-size motor power supply, the gland bottom surface correspond to ring groove is provided with ring rubber stopper.
Furthermore, the test tube rack comprises an annular support, a plurality of accommodating holes are formed in the annular support, the number of the accommodating holes is even, the accommodating holes are uniformly distributed around the vertical rotating shaft, the annular support is fixed on the outer wall of the vertical rotating shaft through horizontal support rods, and the number of the horizontal support rods is the same as that of the accommodating holes.
Furthermore, a coding board is arranged corresponding to each containing hole, an annular shielding plate is arranged on the outer ring of the gland, and the annular shielding plate moves downwards to cover the outer side of the coding board.
Further, an annular rubber pad is arranged on the bottom surface of the gland corresponding to the annular support.
Furthermore, the base up end is provided with the annular storage tank corresponding to the movement track of sample test tube with the reference test tube.
Has the advantages that: according to the water quality chromaticity comparison device capable of reducing subjective judgment, the test tube supports with even number of accommodating holes are symmetrically arranged, so that the complete symmetry of the device is ensured, and the interference of an external reference object is eliminated; the effect of stopping immediately when the user presses the releasing button is realized by matching the telescopic rod with the pressure switch, and the operation is simple and smooth when the user presses the releasing button; the annular shielding plate is utilized to shield the coding plate so as to reduce subjectivity judgment and enable a comparison result to be more accurate and reliable.
Drawings
FIG. 1 is a diagram showing a structure of a chromaticity comparison apparatus;
FIG. 2 is a view of the chromaticity comparison apparatus;
FIG. 3 is a diagram showing the relationship between the pressure switch and the telescopic rod;
FIG. 4 is a view showing the structure of the test tube holder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The water quality chromaticity comparison device capable of reducing subjectivity judgment comprises a base 1, wherein a central shaft hole 2 protruding from the upper end surface of the base 1 is arranged in the center of the base 1, a vertical rotating shaft 5 is rotatably arranged in the central shaft hole 2, a motor mounting hole 3 is formed in the bottom surface of the base 1 corresponding to the central shaft hole 2, a small motor 4 is fixedly mounted in the motor mounting hole, an output shaft of the small motor 4 penetrates through the central shaft hole 2 to be matched with the vertical rotating shaft 5, the small motor 4 drives the vertical rotating shaft 5 to rotate, a test tube rack 6 is fixedly arranged at the top end of the vertical rotating shaft 5, the test tube rack 6 is symmetrically arranged by taking the vertical rotating shaft 5 as the center, and a sample test tube 7 and a reference test tube 8 are symmetrically arranged on two sides of the vertical rotating shaft 5 through the test tube rack 6; a cylindrical sliding groove is formed in the upper end surface of the vertical rotating shaft 5 downwards, a telescopic rod 9 is arranged in the cylindrical sliding groove in a sliding mode, the lower end of the telescopic rod 9 is connected to the bottom of the cylindrical sliding groove through a spring, a gland 10 is arranged at the top end of the telescopic rod 9, a pressing handle 11 is arranged on the upper end surface of the gland 10, and the gland 10 rotates relative to the pressing handle 11;
the test tube test method comprises the following specific operation steps of firstly symmetrically arranging a sample test tube containing a water sample and a reference test tube containing a standard solution through a test tube rack, then pressing a pressing handle to enable a pressing cover to press a test tube opening so as to fix the test tube, and simultaneously turning on a power supply to enable a small motor to drive the sample test tube and the reference test tube to rotate around a vertical rotating shaft at a constant speed, so that a testee can normally observe a contrast color scale at the constant speed, and specific numbers cannot be clearly seen, thereby reducing subjective judgment.
An annular clamping groove 12 is formed in the top end of the vertical rotating shaft 5, a pressure switch 13 is arranged at the bottom of the annular clamping groove 12, the pressure switch 13 controls power supply for the small motor 4, and an annular rubber plug 14 is arranged on the bottom surface of the gland 10 corresponding to the annular clamping groove 12; through pressure switch and telescopic link cooperation, when pressing down the telescopic link for the ring rubber buffer is pressed into ring groove in, the flexible ring groove hole gas of pressurization simultaneously for the pressure that pressure switch sensed increases gradually, thereby realizes pressing slowly with higher speed after the action then keep rotating at the uniform velocity, and is the same, after than the conclusion, unclamps and presses the handle, the ring rubber stopper can slowly withdraw from in the follow ring groove under the thrust of spring, thereby makes ring groove internal gas pressure reduce gradually, reaches the effect of slow braking, reaches certain buffering effect simultaneously.
The test tube rack 6 comprises an annular support 15, a plurality of accommodating holes 16 are formed in the annular support 15, the number of the accommodating holes 16 is even, the accommodating holes are uniformly distributed around the vertical rotating shaft 5, the annular support 15 is fixed on the outer wall of the vertical rotating shaft 5 through horizontal support rods 17, and the number of the horizontal support rods 17 is the same as that of the accommodating holes 16; set up the condition that a plurality of holding holes can satisfy a plurality of samples of needs and compare simultaneously, and is unusual, when placing a plurality of sample test tubes, the sample test tube should evenly encircle the distribution, sets up even number and can ensure that any holding hole can both find symmetrical holding hole, and the horizontal support pole corresponds the holding hole and sets up same number, is the subjective judgement that leads to for the external reference thing of discharging.
A code plate 18 is arranged corresponding to each containing hole 16, an annular shielding plate 19 is arranged on the outer ring of the gland 10, and the annular shielding plate 19 is downwards moved and covered on the outer side of the code plate 18; set up the code tablet and can make the testee distinguish sample solution and standard solution more easily outside observing the contrast, and annular shielding plate then keeps off the code tablet at the rotation observation in-process, can't see the code when guaranteeing to compare to make the testee can't know which is sample solution, which is standard solution, with this reduce subjective judgement.
The bottom surface of the gland 10 is provided with an annular rubber pad 20 corresponding to the annular bracket 15, so that the test tube opening can be protected from being crushed while the gland compresses the test tube opening.
An annular accommodating groove 21 is formed in the upper end face of the base 1 corresponding to the movement tracks of the sample test tube 7 and the reference test tube 8; can prevent to lead to the test tube to be thrown away and fly because the test tube breaks at the rotation in-process, have certain guard action.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model described above, and such modifications and adaptations are intended to be within the scope of the utility model.
Claims (6)
1. A water quality chromaticity comparison device for reducing subjectivity judgment is characterized in that: comprises a base (1), a central shaft hole (2) which is raised from the upper end surface of the base (1) is arranged at the central position of the base (1), a vertical rotating shaft (5) is rotationally arranged in the central shaft hole (2), a motor mounting hole (3) is arranged on the bottom surface of the base (1) corresponding to the central shaft hole (2), a small motor (4) is fixedly arranged in the motor mounting hole, an output shaft of the small motor (4) passes through the central shaft hole (2) to be matched and arranged with the vertical rotating shaft (5), the small-sized motor (4) drives the vertical rotating shaft (5) to rotate, a test tube rack (6) is fixedly arranged at the top end of the vertical rotating shaft (5), the test tube racks (6) are symmetrically arranged by taking the vertical rotating shaft (5) as a center, and the sample test tubes (7) and the reference test tubes (8) are symmetrically arranged at two sides of the vertical rotating shaft (5) through the test tube racks (6); the vertical rotating shaft (5) upper end face is seted up the cylindricality spout downwards, it sets up telescopic link (9) to slide in the cylindricality spout, telescopic link (9) lower extreme pass through spring coupling in cylindricality spout bottom, telescopic link (9) top is provided with gland (10), gland (10) upper end face is provided with presses handle (11), gland (10) for press handle (11) to rotate.
2. The device for comparing water quality and chromaticity with reduced subjectivity according to claim 1, wherein: vertical rotating shaft (5) top is provided with ring groove (12), ring groove (12) bottom is provided with pressure switch (13), pressure switch (13) control is given small motor (4) power supply, gland (10) bottom surface corresponds ring groove (12) are provided with ring rubber stopper (14).
3. The device for comparing water quality and chromaticity with reduced subjectivity according to claim 1, wherein: the test tube rack (6) comprises an annular support (15), a plurality of accommodating holes (16) are formed in the annular support (15), the number of the accommodating holes (16) is even, the accommodating holes are uniformly distributed around the vertical rotating shaft (5), the annular support (15) is fixed on the outer wall of the vertical rotating shaft (5) through horizontal support rods (17), and the number of the horizontal support rods (17) is the same as that of the accommodating holes (16).
4. The device for comparing water quality and chromaticity with reduced subjectivity according to claim 3, wherein: corresponding to each holding hole (16) all is provided with code plate (18), just gland (10) outer lane sets up annular shielding plate (19), annular shielding plate (19) move down the cover and are located the code plate (18) outside.
5. The device for comparing water quality and chromaticity with reduced subjectivity according to claim 3, wherein: an annular rubber pad (20) is arranged on the bottom surface of the gland (10) corresponding to the annular support (15).
6. The device for comparing water quality and chromaticity with reduced subjectivity according to claim 1, wherein: an annular accommodating groove (21) is formed in the upper end face of the base (1) corresponding to the movement tracks of the sample test tube (7) and the reference test tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374847.4U CN216870346U (en) | 2021-09-29 | 2021-09-29 | Water quality chromaticity comparison device capable of reducing subjectivity judgment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374847.4U CN216870346U (en) | 2021-09-29 | 2021-09-29 | Water quality chromaticity comparison device capable of reducing subjectivity judgment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870346U true CN216870346U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122374847.4U Active CN216870346U (en) | 2021-09-29 | 2021-09-29 | Water quality chromaticity comparison device capable of reducing subjectivity judgment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870346U (en) |
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2021
- 2021-09-29 CN CN202122374847.4U patent/CN216870346U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.177, Jimo section, Yanqing first class highway, Chaohai office, Jimo City, Qingdao City, Shandong Province 266000 Patentee after: Yiming Testing Technology Service (Qingdao) Co., Ltd. Address before: No.177, Jimo section, Yanqing first class highway, Chaohai office, Jimo City, Qingdao City, Shandong Province 266000 Patentee before: Qingdao kanghuan Testing Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |