CN219302332U

CN219302332U - PH meter

Info

Publication number: CN219302332U
Application number: CN202222229185.6U
Authority: CN
Inventors: 朱会军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-07-04
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a pH meter, which comprises a base, wherein a groove is formed in the upper end surface of the base, a small cylinder is rotatably connected to the upper end surface of the groove, a fixed block is fixedly connected to the upper end surface of the small cylinder, a vertical support rod is rotatably connected to the side surface of the fixed block, a horizontal support rod is rotatably connected to the side surface of the vertical support rod, a mounting block is rotatably connected to the tail end of the horizontal support rod, a through hole is formed in the upper surface of the mounting block, a temperature electrode is placed in the through hole, a semicircular hole is formed in the upper surface of the mounting block, and a composite electrode is clamped inside the semicircular hole. According to the utility model, the small cylinder is rotated, the fixed blocks on the upper end surface of the small cylinder are rotated together, the fixed blocks are utilized to rotate the vertical support rods, and then the horizontal support rods and the mounting blocks are utilized, so that the whole support structure can be subjected to multi-angle and height adjustment, and the subsequent pH value measurement is facilitated.

Description

PH meter

Technical Field

The utility model relates to the technical field of pH detection, in particular to a pH meter.

Background

The pH meter is a common instrument and equipment, is mainly used for precisely measuring the pH value of a liquid medium, can also measure the potential MV value of an ion electrode by being matched with a corresponding ion selection electrode, and is widely applied to the fields of environmental protection, sewage treatment, scientific research, pharmacy, fermentation, chemical industry, cultivation, tap water and the like. The instrument is also a necessary inspection device in QS and HACCP certification of food factories and drinking water factories. The common pH meter consists of a host and a measuring electrode, and the solution to be measured is required to be placed into a glass for measurement, and then the measuring electrode is placed into the glass for measurement.

When detecting again, most of the supporting structures of the pH meter are fixed and cannot be adjusted, so that the height cannot be changed according to the size of the glass during detection when the measurement is performed again, the problem of poor detection effect and the like is caused, when detecting again, the glass is not fixed, water waves can be generated inside the glass under the condition of external interference, and inaccuracy can be caused when detecting the pH again.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide the pH meter, which can change the height and the angle of a supporting structure, is convenient for pH measurement and ensures the measurement effect.

(II) technical scheme

The technical scheme includes that the pH meter comprises a base, wherein a groove is formed in the upper end surface of the base, a small cylinder is rotatably connected to the upper end surface of the groove, a fixing block is fixedly connected to the upper end surface of the small cylinder, a vertical support rod is rotatably connected to the side surface of the fixing block, a horizontal support rod is rotatably connected to the side surface of the vertical support rod, an installation block is rotatably connected to the tail end of the horizontal support rod, a through hole is formed in the upper surface of the installation block, a temperature electrode is placed in the through hole, a semicircular hole is formed in the upper surface of the installation block, and a composite electrode is clamped inside the semicircular hole.

As a preferable scheme, the upper end surface of the groove is fixedly connected with a supporting block, and the upper surface of the base is provided with a placing groove.

Preferably, the upper end surface of the base is provided with an instrument body.

As a preferable scheme, the side surface of base is provided with places the board, the last fixed surface who places the board is fixedly connected with fixed plate, the side surface of fixed plate is provided with the pole of taking out, the terminal surface fixedly connected with splint of pole of taking out, the side surface fixedly connected with rubber pad of splint.

As a preferable scheme, the side surface of the drawing rod is provided with a spring, one end of the spring is fixedly connected with the side surface of the clamping plate, the other end of the spring is fixedly connected with the side surface of the fixing plate, and the upper end surface of the placing plate is provided with a beaker.

Preferably, a threaded ring is fixedly connected to the side surface of the composite electrode.

(III) beneficial effects

Compared with the prior art, the utility model provides the pH meter, which has the following beneficial effects:

1. through rotating the small cylinder, the upper end surface fixedly connected with fixed block that carries the small cylinder rotates together, utilizes the fixed block, can be vertical bracing piece and rotates, then rethread horizontal bracing piece, and the installation piece to can make whole bearing structure carry out multi-angle and high regulation, make things convenient for follow-up pH value measurement.

2. The pull rod moves to both sides, compresses the spring, places different beakers on placing the board, slowly loosens the hands, under the effect of spring, can promote the splint motion to centre gripping beaker makes it fixed, prevents that the beaker from rocking when carrying out the pH measurement, thereby causes the pH to detect inaccurately, and the side of splint is provided with the rubber pad simultaneously, makes buffering between splint and the beaker, prevents that the splint from pressing from both sides garrulous beaker, guarantees safety.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present utility model;

FIG. 2 is a top schematic view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 4 is a schematic diagram of the prescription B of fig. 2 of the structure of the present utility model.

In the figure: 1. a base; 2. a placement groove; 3. a groove; 4. a support block; 5. a vertical support bar; 6. a small cylinder; 7. a fixed block; 8. a horizontal support bar; 9. a through hole; 10. a temperature electrode; 11. a mounting block; 12. a semicircular hole; 13. a composite electrode; 14. placing a plate; 15. an instrument body; 16. a rod is pulled out; 17. a fixing plate; 18. a spring; 19. a beaker; 20. a rubber pad; 21. a clamping plate; 22. a threaded ring.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model: including base 1, recess 3 has been seted up to the upper end surface of base 1, installs little cylinder 6 in the recess 3 again, and little cylinder 6 can rotate at the surface of recess 3, makes things convenient for follow-up carrying out angle modulation to bearing structure, and the upper end fixed surface of little cylinder 6 is connected with fixed block 7, utilizes fixed block 7, can be vertical bracing piece 5 and rotates, then rethread horizontal bracing piece 8, and installation piece 11 to can make whole bearing structure carry out multi-angle and high regulation.

Referring to fig. 1 and 3, the upper surface of the mounting block 11 is provided with a through hole 9, a temperature electrode 10 can be placed on the through hole 9, the through hole 9 is used for clamping the temperature electrode 10, the fixing effect on the temperature electrode 10 can be achieved, meanwhile, the upper surface of the mounting block 11 is also provided with a semicircular hole 12, the whole mounting block 11 is made of plastic materials, and therefore, certain elasticity exists at the corners of the semicircular hole 12, and therefore, the composite electrode 13 can be mounted, and the measuring effect is guaranteed.

Referring to fig. 1, the supporting block 4 is installed at the upper end of the recess 3, and when not in use, the composite electrode 13 and the temperature electrode 10 are removed, so that the whole supporting structure is prevented from being contracted into the recess 3 and damage is prevented by preventing the whole supporting structure from being stored in the placing groove 2 formed at the upper end of the base 1, and then folding the vertical supporting rod 5 to enable the vertical supporting rod 5 to be folded to a horizontal position, enabling the tail end of the vertical supporting rod 5 to be placed on the supporting block 4 stably, and then folding the horizontal supporting rod 8 and the mounting block 11. A step of

Referring to fig. 1, an instrument main body 15 is installed at the upper end of a base 1, and a display and control keys are provided on the surface of the instrument main body 15 to control the entire pH meter.

Referring to fig. 2 and 4, the side surface of the base 1 is provided with a placing plate 14, the placing plate 14 can be pulled out from the inside of the base 1, then a beaker 19 is placed on the placing plate 14, pH detection is convenient to carry out, then a drawing rod 16 arranged on the side of a fixing plate 17 is pulled, the drawing rod 16 moves to two sides, a spring 18 is compressed, different beakers 19 are placed on the placing plate 14, hands are loosened slowly, under the action of the spring 18, a clamping plate 21 can be pushed to move, so that the beakers 19 are clamped, the beakers 19 are fixed, shaking of the beakers 19 during pH measurement is prevented, the pH detection is inaccurate, meanwhile, a rubber pad 20 is arranged on the side of the clamping plate 21, buffering is carried out between the clamping plate 21 and the beakers 19, the clamping plate 21 is prevented from clamping the beakers 19, and safety is ensured.

Referring to fig. 3, the side surface of the composite electrode 13 is fixedly connected with a threaded ring 22, and by the action of the threaded ring 22, an external protection shell is carried out, so that a pH bubble ball at the bottom of the composite electrode 13 can be protected, and meanwhile, a potassium chloride solution can be added in the external protection shell, so that the pH bubble ball is placed in the potassium chloride solution, and because the pH bubble ball is a special glass film, a very thin hydrated gel layer is formed on the surface of the glass film, and only after full soaking, a stable h+ layer can be formed on the surface of the film, so that the pH bubble ball has stable and good response with h+ in the solution.

The working principle of the utility model is that;

firstly, the placing plate 14 at the side of the base 1 is pulled out, the pulling rod 16 moves to two sides to compress the springs 18, different beakers 19 are placed on the placing plate 14, the clamping plate 21 can be pushed to move under the action of the springs 18 to clamp the beakers 19, the beakers 19 are fixed, the beakers 19 are prevented from shaking during pH measurement, inaccurate pH detection is caused, meanwhile, rubber pads 20 are arranged at the side edges of the clamping plate 21, buffering is carried out between the clamping plate 21 and the beakers 19, the clamping plate 21 is prevented from clamping the beakers 19, and safety is ensured;

through rotating small cylinder 6, the upper end surface fixedly connected with fixed block 7 that carries small cylinder 6 rotates together, utilizes fixed block 7, can be vertical bracing piece 5 and rotate, then rethread horizontal bracing piece 8 with installation piece 11 to can make whole bearing structure carry out multi-angle and high regulation, block temperature electrode 10 at through-hole 9 again, compound electrode 13 is installed to semicircle orifice 12, adjusts the height, makes temperature electrode 10 and compound electrode 13 stretch into in the beaker 19 and carries out the pH measurement, and is convenient succinct.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A pH meter comprising a base (1), characterized in that: the novel solar cell module is characterized in that the upper end surface of the base (1) is provided with a groove (3), the upper end surface of the groove (3) is rotationally connected with a small cylinder (6), the upper end surface of the small cylinder (6) is fixedly connected with a fixed block (7), the side surface of the fixed block (7) is rotationally connected with a vertical support rod (5), the side surface of the vertical support rod (5) is rotationally connected with a horizontal support rod (8), the tail end of the horizontal support rod (8) is rotationally connected with a mounting block (11), the upper surface of the mounting block (11) is provided with a through hole (9), a temperature electrode (10) is placed in the through hole (9), the upper surface of the mounting block (11) is provided with a semicircular hole (12), and a composite electrode (13) is clamped inside the semicircular hole (12).

2. A pH meter according to claim 1, wherein: the upper end surface of recess (3) fixedly connected with supporting shoe (4), standing groove (2) have been seted up to the upper surface of base (1).

3. A pH meter according to claim 1, wherein: the upper end surface of the base (1) is provided with an instrument body (15).

4. A pH meter according to claim 1, wherein: the base is characterized in that a placing plate (14) is arranged on the side surface of the base (1), a fixing plate (17) is fixedly connected to the upper surface of the placing plate (14), a drawing rod (16) is arranged on the side surface of the fixing plate (17), a clamping plate (21) is fixedly connected to the tail end surface of the drawing rod (16), and a rubber pad (20) is fixedly connected to the side surface of the clamping plate (21).

5. A pH meter according to claim 4, wherein: the side surface mounting of pole (16) is taken out has spring (18), the side surface fixed connection of one end and splint (21) of spring (18), the other end and the side surface fixed connection of fixed plate (17) of spring (18), the upper end surface of placing board (14) is provided with beaker (19).

6. A pH meter according to claim 1, wherein: the side surface of the composite electrode (13) is fixedly connected with a threaded ring (22).