CN212321499U - PH meter that facilitates use - Google Patents
PH meter that facilitates use Download PDFInfo
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- CN212321499U CN212321499U CN202021022323.8U CN202021022323U CN212321499U CN 212321499 U CN212321499 U CN 212321499U CN 202021022323 U CN202021022323 U CN 202021022323U CN 212321499 U CN212321499 U CN 212321499U
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Abstract
The utility model provides a pH meter convenient to use. The convenient pH meter comprises: a pH meter body; the bottom end of the rotating rod is rotatably connected to the pH meter body through a bearing; the inner part of the transverse plate is connected to the outer surface of the rotating rod in a sliding manner, and a T-shaped rod is arranged on the transverse plate; the base of the electric telescopic rod is fixed at the bottom end of the T-shaped rod; the placing component is arranged on the electric telescopic rod and comprises a long plate, the top of the long plate is fixed on the electric telescopic rod, and a contact plate is fixedly connected to one side of the long plate. The utility model provides a pH meter who facilitates use can conveniently calibrate to need not to dismantle the electrode tip, convenient to use is swift, has not only improved the precision to electrode tip detection solution, has still improved the detection rate to reagent, and then has improved the life to the pH meter.
Description
Technical Field
The utility model relates to a pH meter field especially relates to a pH meter who facilitates use.
Background
A pH meter refers to an instrument used for measuring the pH value of a solution. The pH meter works by utilizing the principle of a primary battery, the electromotive force between two electrodes of the primary battery is related to the self attributes of the electrodes and the hydrogen ion concentration in a solution according to the Nernst's law, a corresponding relation exists between the electromotive force of the primary battery and the hydrogen ion concentration, and the negative logarithm of the hydrogen ion concentration is the pH value; the pH meter is a common analytical instrument and is widely applied to the fields of agriculture, environmental protection, industry and the like; soil pH is one of the essential properties important for soil; factors such as the temperature and ionic strength of the solution to be measured should be considered in the pH measurement process.
At present, before the pH meter that the laboratory used, need through the electrode tip to the pH meter activation calibration, through calibrating in soaking the electrode tip in 0.1 mol/L's HCL, but present at calibration pH timing, need dismantle the electrode tip on the pH meter, soak, it is more time-consuming and laborious, the detection rate to reagent has been reduced, and cause the damage of electrode tip easily in the dismantlement process, and then not only influence the precision that the pH meter detected, the life of pH meter has still been shortened.
Therefore, it is necessary to provide a convenient pH meter to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pH meter who facilitates use has solved current at calibration pH timing, needs to dismantle the electrode tip on the pH meter, soaks and calibrates in 0.1 mol/L's HCL, and is more time-consuming and energy-consuming, has reduced the problem to the detection rate of reagent.
In order to solve the technical problem, the utility model provides a pH meter who facilitates use includes:
a pH meter body;
the bottom end of the rotating rod is rotatably connected to the pH meter body through a bearing;
the inner part of the transverse plate is connected to the outer surface of the rotating rod in a sliding manner, and a T-shaped rod is arranged on the transverse plate;
the base of the electric telescopic rod is fixed at the bottom end of the T-shaped rod;
the placing assembly is arranged on the electric telescopic rod and comprises a long plate, the top of the long plate is fixed on the electric telescopic rod, one side of the long plate is fixedly connected with a contact plate, two sides of the top of the contact plate are fixedly connected with clamping parts, and one side of the two clamping parts, which is opposite to each other, is provided with a reagent bottle;
the clamping part comprises a sliding plate, an extrusion spring and a sponge block, and can be used for fixing and clamping the reagent bottle, so that the reagent bottle is prevented from shaking in the rotating process.
Preferably, a sliding plate is slidably connected between two sides inside the clamping component, two extrusion springs are arranged on one side of the sliding plate, and one ends of the two extrusion springs are arranged on one side inside the clamping component;
the reagent bottle can be clamped by the aid of the arranged extrusion spring, and stability in the process of rotating the T-shaped rod is improved.
Preferably, a sponge block is fixedly connected to the other side of the sliding plate, one side of the sponge block penetrates through the clamping part and extends to the outside of the clamping part, and one side of the sponge block extending to the outside of the clamping part is in contact with one side of the reagent bottle;
the sponge piece can protect at the in-process of centre gripping reagent bottle, avoids the too big clamping-force degree, causes the damage of reagent bottle.
Preferably, an electrode head penetrates through the inner part of the transverse plate.
Preferably, a fixing plate is fixedly connected to one side of the long plate, a placing hole is formed in the fixing plate, and the placing hole is circular.
Preferably, the bottom ends of the electrode taps penetrate the placing hole and extend to the inside of the reagent bottle.
Preferably, a filter paper is disposed inside the placing hole, the filter paper has a circular shape, and an inner surface of the filter paper contacts an outer surface of the electrode head;
when the electrode tip enters the reagent bottle in the regulation, the electrode tip keeps on being in the same line with the reagent bottle is vertical all the time, makes things convenient for the electrode tip to enter into the reagent bottle and soaks the calibration.
Compared with the prior art, the utility model provides a pH meter who facilitates use has following beneficial effect:
the utility model provides a pH meter who facilitates use can conveniently calibrate to need not to dismantle the electrode tip, convenient to use is swift, has not only improved the precision to electrode tip detection solution, has still improved the detection rate to reagent, and then has improved the life to the pH meter.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a convenient-to-use pH meter provided by the present invention;
FIG. 2 is a schematic view of the electrode tip calibration of the convenient pH meter of FIG. 1;
FIG. 3 is a cross-sectional schematic view of the clamping assembly shown in FIG. 1;
fig. 4 is a schematic structural diagram of a second embodiment of a convenient-to-use pH meter provided by the present invention;
fig. 5 is a schematic top sectional view of the placement hole shown in fig. 4.
Reference numbers in the figures: 1. PH meter body, 2, dwang, 3, diaphragm, 4, T type pole, 5, electric telescopic handle, 6, place the subassembly, 61, long board, 62, contact plate, 63, chucking part, 7, reagent bottle, 8, sliding plate, 9, extrusion spring, 10, sponge piece, 11, electrode tip, 12, fixed plate, 13, place the hole, 14, filter paper.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a convenient pH meter according to the present invention; FIG. 2 is a schematic view of the electrode tip calibration of the convenient pH meter of FIG. 1; fig. 3 is a schematic cross-sectional view of the chuck assembly shown in fig. 1. pH meters which are convenient to use include:
a pH meter body 1;
the bottom end of the rotating rod 2 is rotatably connected to the pH meter body 1 through a bearing;
the inner part of the transverse plate 3 is connected to the outer surface of the rotating rod 2 in a sliding manner, and a T-shaped rod 4 is arranged on the transverse plate 3;
the base of the electric telescopic rod 5 is fixed at the bottom end of the T-shaped rod 4;
the placing assembly 6 is arranged on the electric telescopic rod 5, the placing assembly 6 comprises a long plate 61, the top of the long plate 61 is fixed on the electric telescopic rod 5, one side of the long plate 61 is fixedly connected with a contact plate 62, two sides of the top of the contact plate 62 are fixedly connected with clamping parts 63, and one side of the two clamping parts 63 opposite to each other is provided with a reagent bottle 7;
the T-shaped rod 4 is rotatably connected to the inner part of the transverse plate 3, the bottom end of the T-shaped rod 4 penetrates through the inner part of the transverse plate 3 and extends to the bottom of the transverse plate 3, a limiting block is fixedly connected to the T-shaped rod 4, and the bottom of the limiting block is in contact with the transverse plate 3, so that the T-shaped rod 4 is prevented from falling;
the electric telescopic rod 5 is connected with an external power supply and a control switch;
the reagent bottle 7 is filled with 0.1mol/L HCL solution, and the soaking time is determined according to the pollution degree in the process of soaking the electrode tip;
the calibration of the electrode head further comprises: cleaning (washing with distilled water, and drying the electrode and electrode tip with filter paper);
regeneration: (the time for which the electrode tip is soaked in a 3mol/L KCL solution depends on the degree of contamination).
A sliding plate 8 is slidably connected between two sides inside the clamping part 63, two extrusion springs 9 are arranged on one side of the sliding plate 8, and one ends of the two extrusion springs 9 are arranged on one side inside the clamping part 63.
A sponge block 10 is fixedly connected to the other side of the sliding plate 8, one side of the sponge block 10 penetrates through the clamping part 63 and extends to the outside of the clamping part 63, and one side of the sponge block 10 extending to the outside of the clamping part 63 is in contact with one side of the reagent bottle 7.
An electrode tip 11 penetrates through the transverse plate 3.
The utility model provides a pH meter's that facilitates use theory of operation as follows:
the first step is as follows: referring to fig. 1, before the pH value of a detection solution is detected, an electrode tip 11 needs to be calibrated, so as to improve the accuracy of the detection solution, in the prior art, the electrode tip 11 is calibrated by activation, the electrode tip 11 is immersed in 0.1mol/L HCL for 10-20min for activation, a motor telescopic rod 5 is started to move an electric telescopic rod 5 downwards to drive a reagent bottle 7 to move downwards, a T-shaped rod 4 is rotated to move the T-shaped rod 4 rightwards and rotate to be perpendicular to the electrode tip 11 on a straight line, and the electric telescopic rod 5 is started to move upwards to contact and immerse a reagent in the reagent bottle 7 with the electrode tip 11;
the second step is that: referring to fig. 2, after the activation calibration of the electrode tip 11 is completed, the telescopic rod 5 of the motor is started to move the electric telescopic rod 5 downwards, so that the electrode tip 11 is separated from the reagent bottle 7, after the separation is completed, the reagent bottle 7 on the T-shaped rod 4 is moved leftwards by rotating the T-shaped rod 4, the electric telescopic rod 5 is started to move upwards, the electrode tip 11 on the transverse plate 3 is contacted with the detection solution by adjusting the transverse plate 3 downwards, and then the pH value of the detection solution is detected;
the third step: referring to fig. 3, in order to avoid that the reagent bottle 7 is moved and dropped in the rotating process of the T-shaped rod 4, and further the detection of the pH of the solution in the electrode tip 11 is affected, when the reagent bottle 7 is placed, the two sponge blocks 10 are extruded, so that the sponge blocks 10 extrude the sliding plate 8 inside the clamping part 63, so that the extrusion spring 9 contracts, and after the reagent bottle 7 is placed in, the two sides of the reagent bottle 7 are fixedly clamped through the resilience of the extrusion spring 9, thereby improving the stability in the rotating process.
Compared with the prior art, the utility model provides a pH meter who facilitates use has following beneficial effect:
can conveniently calibrate the pH meter, need not to dismantle the electrode tip, convenient and fast has not only improved the precision to electrode tip detection solution, has still improved the detection rate to reagent, and then has improved the life to the pH meter.
Second embodiment
Referring to fig. 4-5 in combination, a second embodiment of the present application provides another pH meter that is convenient to use, based on the pH meter provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference between the convenient pH meter provided in the second embodiment of the present application is that: a fixing plate 12 is fixedly connected to one side of the long plate 61, a placing hole 13 is formed in the fixing plate 12, and the placing hole 13 is circular.
The bottom ends of the electrode taps 11 penetrate the placing hole 13 and extend to the inside of the reagent bottle 7.
The filter paper 14 is disposed inside the placing hole 13, the filter paper 14 has a circular shape, and the inner surface of the filter paper 14 contacts the outer surface of the electrode tip 11.
The electrode tip 11 soaked in the solution can be wiped dry through the arranged filter paper 14, so that the influence of the residual reagent on the electrode tip 11 on the detection of the pH value of the detection solution is avoided;
after calibration is completed, the electrode tip 11 is pulled, so that the end of the electrode tip 11, which is in contact with the reagent, enters the placing hole 13 in the pulling process, and the filter paper 14 arranged in the placing hole 13 can wipe off moisture on the surface of the electrode tip 11, thereby avoiding affecting the pH value detection of the solution when the solution is detected.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A pH meter for convenient use, comprising:
a pH meter body;
the bottom end of the rotating rod is rotatably connected to the pH meter body through a bearing;
the inner part of the transverse plate is connected to the outer surface of the rotating rod in a sliding manner, and a T-shaped rod is arranged on the transverse plate;
the base of the electric telescopic rod is fixed at the bottom end of the T-shaped rod;
the placing assembly is arranged on the electric telescopic rod and comprises a long plate, the top of the long plate is fixed on the electric telescopic rod, a contact plate is fixedly connected to one side of the long plate, clamping parts are fixedly connected to the two sides of the top of the contact plate, and reagent bottles are arranged on one side, opposite to the clamping parts, of the two sides of the contact plate.
2. The pH meter convenient to use according to claim 1, wherein a sliding plate is slidably connected between two sides of the inside of the clamping member, one side of the sliding plate is provided with two pressing springs, and one end of each of the two pressing springs is arranged at one side of the inside of the clamping member.
3. The pH meter of claim 2, wherein a sponge block is fixedly connected to the other side of the sliding plate, one side of the sponge block extends through the clamping member and to the outside of the clamping member, and the side of the sponge block extending to the outside of the clamping member contacts with one side of the reagent bottle.
4. The pH meter of claim 1, wherein an electrode tip penetrates the transverse plate.
5. The conveniently used pH meter according to claim 4, wherein a fixing plate is fixedly connected to one side of the long plate, a placing hole is formed in the fixing plate, and the placing hole is circular.
6. The pH meter of claim 5, wherein the bottom end of the electrode head extends through the placement hole and into the interior of the reagent bottle.
7. The conveniently used pH meter according to claim 5, wherein a filter paper is disposed inside the placing hole, the filter paper has a circular shape, and an inner surface of the filter paper contacts an outer surface of the electrode head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021022323.8U CN212321499U (en) | 2020-06-06 | 2020-06-06 | PH meter that facilitates use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021022323.8U CN212321499U (en) | 2020-06-06 | 2020-06-06 | PH meter that facilitates use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212321499U true CN212321499U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021022323.8U Active CN212321499U (en) | 2020-06-06 | 2020-06-06 | PH meter that facilitates use |
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| CN (1) | CN212321499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283308A (en) * | 2022-07-04 | 2022-11-04 | 上海博取仪器有限公司 | Water quality testing electrode test drying device |
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2020
- 2020-06-06 CN CN202021022323.8U patent/CN212321499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283308A (en) * | 2022-07-04 | 2022-11-04 | 上海博取仪器有限公司 | Water quality testing electrode test drying device |
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Denomination of utility model: A convenient pH meter for use Effective date of registration: 20230921 Granted publication date: 20210108 Pledgee: Xixian New District Financing Guarantee Co.,Ltd. Pledgor: XI'AN UNITED NATION QUALITY DETECTION TECHNOLOGY CO.,LTD. Registration number: Y2023990000464 |