CN220730106U

CN220730106U - PH meter that stability is high

Info

Publication number: CN220730106U
Application number: CN202322259280.5U
Authority: CN
Inventors: 丁冠军; 黄楚华; 刘薇; 吴斌
Original assignee: Wuhan Hualong Bio Chemical Pharmaceutical Co ltd
Current assignee: Wuhan Hualong Bio Chemical Pharmaceutical Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-04-05
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a PH meter with high stability, which comprises a PH detector and a PH test pen, wherein a PH meter fastening mechanism is arranged at the rear end of the PH detector, the PH meter fastening mechanism comprises a fixed plate fixedly arranged at the rear end of the PH detector, a lower clamping piece is fixedly arranged at the upper end of the fixed plate, and a supporting frame is fixedly arranged at the rear side, close to the lower clamping piece, of the upper end of the fixed plate. According to the PH meter with high stability, the PH test pen is placed in the inner side of the lower clamping piece, the baffle is loosened again, and the control spring pulls the control rod to move downwards, so that the inner threaded ring pushes the upper clamping piece to contact the PH test pen, the purpose of enabling the upper clamping piece and the lower clamping piece to clamp the PH test pen is achieved, the PH test pen is firmly limited at the upper end of the fixing plate, the placement stability of the PH test pen is improved, and the situation that the PH test pen falls down and breaks is avoided.

Description

PH meter that stability is high

Technical Field

The utility model relates to the technical field of PH meters, in particular to a PH meter with high stability.

Background

PH meter refers to an instrument for measuring the pH value of a solution. The PH meter works on the principle of a galvanic cell, the electromotive force between the two electrodes of which depends on the characteristics of the electrodes themselves and also on the concentration of hydrogen ions in the solution, according to the nernst law. The electromotive force of the primary cell has a corresponding relation with the concentration of hydrogen ions, and the negative logarithm of the concentration of the hydrogen ions is the PH value. PH meters are a common analytical instrument;

the conventional PH meter has some disadvantages in that the PH test pen is directly placed on the PH detector during the transfer process, so that the PH test pen is easily dropped when an inspector transfers the PH detector, and the PH test pen is broken, so that the PH test pen cannot be stably placed on the PH detector.

Disclosure of Invention

The utility model mainly aims to provide a PH meter with high stability, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a PH meter that stability is high, includes PH detector, PH test pen, the rear end of PH detector is provided with PH meter fastening mechanism, PH meter fastening mechanism is including the fixed plate that sets up at PH detector rear end, the fixed support frame that is provided with down of the rear side that the fixed plate was close to down the holder, the inboard slip of support frame is provided with the control lever, the outside of control lever is close to the upside activity of support frame and is provided with control spring, the fixed baffle that is provided with of upper end of control lever, the fixed screw thread head that is provided with of lower extreme of control lever, the outside screw thread of screw thread head is provided with the female screw thread ring, the fixed holder that is provided with down of the lower extreme of female screw thread ring.

Preferably, a sliding groove is formed in the front end of the control rod, and a sliding block is arranged on the inner side of the sliding groove in a sliding mode.

Preferably, the lower clamping piece corresponds to the upper clamping piece, a circular ring is formed between the lower clamping piece and the upper clamping piece, the shape of the support frame is L-shaped, and the lower end of the control spring is connected with the upper end of the support frame.

Preferably, the upper end of the control spring is fixedly connected with the lower end of the baffle close to the outer side of the control rod, the sliding block is T-shaped, and the front end of the sliding block is fixedly connected with the inner side wall of the support frame.

Preferably, the axes among the control rod, the baffle, the thread head and the internal thread ring are positioned on the same straight line, and the inner side of the lower clamping piece is movably connected with the outer side of the PH test pen.

Preferably, the connecting wire is installed to the one end of PH detector, the other end of connecting wire is installed in the one end department of PH test pen, the fixed support base that is provided with of lower extreme of PH detector.

Compared with the prior art, the utility model has the following beneficial effects:

1. through putting PH test pen in the inboard of holding member down and unclamping the baffle again and making control spring pulling control lever remove down so make the internal thread ring promote the holding member and contact PH test pen, can reach the purpose of being convenient for make last holding member and holding member clamp PH test pen down for PH test pen is firmly limited in the upper end of fixed plate, thereby strengthens PH test pen's stability of putting, so avoids PH test pen to drop and break the condition emergence.

2. Through the effect of supporting the base, can reach the purpose of being convenient for support PH detector.

Drawings

FIG. 1 is a schematic view of the overall structure of a pH meter with high stability according to the present utility model;

FIG. 2 is a schematic view of a PH meter fastening mechanism of the PH meter with high stability;

FIG. 3 is a schematic view showing a partial structure of a PH meter fastening mechanism of the PH meter with high stability;

FIG. 4 is a schematic view showing a partial structure of a fastening mechanism of a PH meter with high stability.

In the figure: 1. a PH detector; 2. a PH test pen; 3. a connecting wire; 4. a support base; 5. a PH meter fastening mechanism; 51. a fixing plate; 52. a lower clamping member; 53. a support frame; 54. a control lever; 55. a control spring; 56. a baffle; 57. a thread head; 58. an internally threaded ring; 59. a lower clamping member; 510. a sliding groove; 511. a sliding block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a PH meter with high stability comprises a PH detector 1 and a PH test pen 2, wherein a PH meter fastening mechanism 5 is arranged at the rear end of the PH detector 1, the PH meter fastening mechanism 5 comprises a fixed plate 51 fixedly arranged at the rear end of the PH detector 1, a lower clamping piece 52 is fixedly arranged at the upper end of the fixed plate 51, a supporting frame 53 is fixedly arranged at the upper end of the fixed plate 51 near the rear side of the lower clamping piece 52, a control rod 54 is slidably arranged at the inner side of the supporting frame 53, a control spring 55 is movably arranged at the outer side of the control rod 54 near the upper side of the supporting frame 53, a baffle 56 is fixedly arranged at the upper end of the control rod 54, a threaded head 57 is fixedly arranged at the lower end of the control rod 54, an inner threaded ring 58 is arranged at the outer side of the threaded head 57, and an upper clamping piece 59 is fixedly arranged at the lower end of the inner threaded ring 58.

In this embodiment, the front end of the control lever 54 is provided with a sliding groove 510, the inner side of the sliding groove 510 is slidably provided with a sliding block 511, a circular ring is formed between the lower clamping member 52 and the upper clamping member 59, the support 53 is L-shaped, the lower end of the control spring 55 is connected with the upper end of the support 53, the upper end of the control spring 55 is fixedly connected with the lower end of the baffle 56 near the outer side of the control lever 54, the sliding block 511 is T-shaped, the front end of the sliding block 511 is fixedly connected with the inner side wall of the support 53, and the axes among the control lever 54, the baffle 56, the screw thread head 57 and the internal screw thread ring 58 are located on the same straight line, and the inner side of the lower clamping member 52 is movably connected with the outer side of the PH test pen 2.

Specifically, the PH test pencil 2 is first placed in the inner side of the lower clamping member 52, and the baffle 56 is released again, so that the control spring 55 is retracted inwards, so that the control spring 55 pulls the control rod 54 through the baffle 56 to move downwards, and the control rod 54 pushes the inner threaded ring 58 to move through the threaded head 57, so that the inner threaded ring 58 pushes the upper clamping member 59 to move downwards, so that the upper clamping member 59 contacts the PH test pencil 2, and the upper clamping member 59 and the lower clamping member 52 clamp the PH test pencil 2, so that the PH test pencil 2 is limited at the upper end of the fixed plate 51, and when the PH detector 1 is moved by a inspector, the PH test pencil 2 is firmly limited at the upper end of the fixed plate 51, so that the placement stability of the PH test pencil 2 is enhanced, so that the occurrence of dropping and breaking of the PH test pencil 2 is avoided, and the upper clamping member 59 and the PH test pencil 2 can be conveniently limited at the upper end of the fixed plate 51 by placing the PH test pencil 2 in the inner side of the lower clamping member 52 and releasing the baffle 56 and pulling the control rod 54 to move downwards, so that the inner threaded ring 58 pushes the upper clamping member 59 to contact the PH test pencil 2.

In this embodiment, the connecting wire 3 is installed to the one end of PH detector 1, and the other end of connecting wire 3 is installed in the one end department of PH test pen 2, and the lower extreme of PH detector 1 is fixedly provided with support base 4.

In particular, the purpose of facilitating the support of the PH detector 1 can be achieved by the action of the support base 4.

Working principle:

in use, the inspector first pulls the baffle 56 upward and moves the control rod 54 upward in the inner side of the support frame 53 and moves the control rod 54 upward along the sliding block 511 through the sliding groove 510, thereby stretching the control spring 55, and moves the control rod 54 through the threaded head 57 to drive the internally threaded ring 58, thereby moving the internally threaded ring 58 to drive the upper clamping member 59, at which time the PH test pencil 2 is again taken out of the inner side of the lower clamping member 52, and then the PH test pencil 2 is inserted into the inspection liquid, thereby causing the PH test pencil 2 to detect the concentration of hydrogen ions in the liquid by electromotive force between the two electrodes according to Nernst's law, which is related to the properties of the electrodes, thereby obtaining the PH value, then placing the PH test pencil 2 in the inner side of the lower clamping member 52, and then releasing the baffle 56, thereby causing the control spring 55 to shrink inward, so that the control spring 55 is pulled to move downward through the shutter 56 and the control lever 54 is pushed to move the internally threaded ring 58 through the screw head 57, so that the internally threaded ring 58 pushes the upper clamp 59 to move downward, thereby bringing the upper clamp 59 into contact with the PH test pencil 2, and the upper clamp 59 and the lower clamp 52 clamp the PH test pencil 2, thereby confining the PH test pencil 2 to the upper end of the fixed plate 51, and the inspector, when moving the PH detector 1, causes the PH test pencil 2 to be firmly confined to the upper end of the fixed plate 51, thereby enhancing the placement stability of the PH test pencil 2, thus avoiding the occurrence of drop and break of the PH test pencil 2, and by placing the PH test pencil 2 in the inner side of the lower clamp 52 and releasing the shutter 56 again and causing the control spring 55 to pull the control lever 54 downward, the internally threaded ring 58 pushes the upper clamp 59 into contact with the PH test pencil 2, the purpose that the upper clamping piece 59 and the lower clamping piece 52 clamp the PH test pen 2 can be achieved conveniently, so that the PH test pen 2 is firmly limited at the upper end of the fixing plate 51, the placement stability of the PH test pen 2 is enhanced, and the PH test pen 2 is prevented from falling and breaking.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PH meter that stability is high, includes PH detector (1), PH test pen (2), its characterized in that: the PH detector is characterized in that a PH meter fastening mechanism (5) is arranged at the rear end of the PH detector (1), the PH meter fastening mechanism (5) comprises a fixed plate (51) fixedly arranged at the rear end of the PH detector (1), a lower clamping piece (52) is fixedly arranged at the upper end of the fixed plate (51), a supporting frame (53) is fixedly arranged at the upper end of the fixed plate (51) close to the rear side of the lower clamping piece (52), a control rod (54) is slidably arranged at the inner side of the supporting frame (53), a control spring (55) is movably arranged at the outer side of the control rod (54) close to the upper side of the supporting frame (53), a baffle plate (56) is fixedly arranged at the upper end of the control rod (54), a threaded head (57) is fixedly arranged at the lower end of the control rod (54), an inner threaded ring (58) is fixedly arranged at the outer side of the threaded head (57), and an upper clamping piece (59) is fixedly arranged at the lower end of the inner threaded ring (58).

2. A high stability PH meter according to claim 1, wherein: the front end of the control rod (54) is provided with a sliding groove (510), and the inner side of the sliding groove (510) is provided with a sliding block (511) in a sliding manner.

3. A high stability PH meter according to claim 2, wherein: the lower clamping piece (52) corresponds to the upper clamping piece (59), a circular ring is formed between the lower clamping piece (52) and the upper clamping piece (59), the support frame (53) is L-shaped, and the lower end of the control spring (55) is connected with the upper end of the support frame (53).

4. A high stability PH meter according to claim 2, wherein: the upper end of the control spring (55) is fixedly connected with the lower end of the baffle plate (56) close to the outer side of the control rod (54), the sliding block (511) is T-shaped, and the front end of the sliding block (511) is fixedly connected with the inner side inner wall of the supporting frame (53).

5. A high stability PH meter according to claim 2, wherein: the axial lines among the control rod (54), the baffle plate (56), the thread head (57) and the internal thread ring (58) are positioned on the same straight line, and the inner side of the lower clamping piece (52) is movably connected with the outer side of the PH test pen (2).

6. A high stability PH meter according to claim 1, wherein: the PH detector is characterized in that a connecting wire (3) is arranged at one end of the PH detector (1), the other end of the connecting wire (3) is arranged at one end of the PH test pen (2), and a supporting base (4) is fixedly arranged at the lower end of the PH detector (1).