CN212845161U

CN212845161U - Follow-on laboratory PH meter

Info

Publication number: CN212845161U
Application number: CN202021437768.2U
Authority: CN
Inventors: 何仁棋
Original assignee: Huazhi Fujian Electronic Technology Co ltd
Current assignee: Huazhi Fujian Electronic Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-30
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an instrument and equipment technical field a follow-on laboratory PH meter, including pH meter body and multiunit measuring electrode, be provided with display screen and operating button on the pH meter body, the pH meter body has the connector through the connection of electric lines, can dismantle the electricity between connector and the measuring electrode and connect, set up the chamber that holds of one-to-one measuring electrode on the pH meter body, measuring electrode can dismantle to inlay and hold the intracavity, the utility model discloses this internal multiunit measuring electrode that is provided with of pH meter, can dismantle the electricity between measuring electrode and the connector and connect, measure different test solution in the short time, avoid measuring multiunit test solution in the short time with a root measuring electrode and cause measuring error.

Description

Follow-on laboratory PH meter

Technical Field

The utility model relates to an instrument and equipment technical field specifically is a follow-on laboratory PH meter.

Background

The pH meter is also called acidimeter, and is an instrument for measuring the pH value of a solution, the method for measuring the pH value by the acidity meter is potentiometry, the pH meter can measure the electromotive force of a battery besides measuring the acidity of the solution, and a glass electrode is used as an indicating electrode and a saturated calomel electrode is used as a reference electrode during measurement to form the battery.

In the field of water quality analysis, a laboratory pH meter is often required to be suitable for measuring the pH value and the mV value of liquid, and the existing pH meter only corresponds to one group of measuring electrodes.

Based on this, the utility model designs an improved generation's laboratory PH meter to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a follow-on laboratory PH meter to the current PH meter that proposes in solving above-mentioned background art only corresponds a set of measuring electrode's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a follow-on laboratory PH meter, includes pH meter body and multiunit measuring electrode, be provided with display screen and operating button on the pH meter body, the pH meter body has the connector through the connection of electric lines, can dismantle the electricity between connector and the measuring electrode and connect, set up the chamber that holds of one-to-one measuring electrode on the pH meter body, measuring electrode can dismantle to inlay and holding the intracavity.

Preferably, the pH meter body is connected with an electrode clamp through a plastic support tube, and a plurality of groups of clamp holes are formed in the electrode clamp.

Preferably, the electrode clamps are connected to the outer wall of the rotating shaft in a rotating mode, and the electrode clamps can be overlapped through rotation.

Preferably, the last articulated closing door that has of pH meter body, swivelling joint has the knob on the pH meter body, rotatory closing door can close the multiunit hold the opening in chamber, pass through when the closing door closes the multiunit hold the opening in chamber the fixed closing door of knob.

Preferably, a permanent magnet is installed on the inner side wall of the accommodating cavity, and the measuring electrode is magnetically attracted with the permanent magnet.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses this internal multiunit measuring electrode that is provided with of pH meter can dismantle the electricity between measuring electrode and the connector and be connected, measures different test solution in the short time, avoids measuring multiunit test solution in the short time with root measuring electrode and causes measuring error.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the connector and the measuring electrode;

fig. 3 is the structure diagram of the multi-group electrode clamp of the present invention installed on the outer wall of the rotating shaft.

1. A pH meter body; 2. a display screen; 3. an operation button; 4. an electric wire; 5. a connector; 6. a measuring electrode; 7. an accommodating chamber; 8. supporting a tube; 9. an electrode holder; 91. a clamping hole; 92. a rotating shaft; 10. closing the door; 11. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a follow-on laboratory PH meter, includes pH meter body 1 and multiunit measuring electrode 6, is provided with display screen 2 and operating button 3 on the pH meter body 1, and pH meter body 1 is connected with connector 5 through electric wire 4, can dismantle the electricity between connector 5 and the measuring electrode 6 and connect, sets up the chamber 7 that holds of one-to-one measuring electrode 6 on the pH meter body 1, and measuring electrode 6 can be dismantled and inlay and hold in chamber 7.

Further, the pH meter body 1 is connected with an electrode clamp 9 through a plastic support tube 8, the electrode clamp 9 is provided with a plurality of groups of clamp holes 91, and the electrode clamp 6 is inserted into the clamp holes 91 when not in use.

Furthermore, the electrode clamps 9 have multiple groups, the multiple groups of electrode clamps 9 are rotatably connected to the outer wall of the rotating shaft 92, and the electrode clamps 9 can be rotated to overlap the multiple groups of electrode clamps 9.

Further, articulated on the pH meter body 1 have a closing door 10, and swivelling joint has knob 11 on the pH meter body 1, and rotatory closing door 10 can close the opening that the multiunit held chamber 7, through the fixed closing door 10 of knob 11 when the opening that the closed multiunit held chamber 7 of closing door 10 was closed, can protect when measuring electrode 6 does not use at ordinary times like this and avoid receiving dust pollution, has improved measuring accuracy, and the practicality is good.

Further, hold the chamber 7 inside wall and install the permanent magnet, measuring electrode 6 attracts with permanent magnet ferromagnetism looks, improves measuring electrode 6 and puts into the stability that holds chamber 7.

The utility model discloses an embodiment:

the pH meter body 1 and the display screen 2 and the operation button 3 which are arranged on the surface of the pH meter body are of the existing structure.

The measuring electrode 6 is electrically connected to the connector 5 in a manner similar to that of the light bulb and the lamp holder, so that a detachable electrical connection is achieved.

The support tube 8 is constructed of a plastic, universal plastic tube, similar in construction to the cooling tube of a machine tool.

Electrode holder 9 is installed at the free end of stay tube 8, and three groups of clamp holes 91 have been seted up on a group of electrode holder 9, and measuring electrode 6 is the ladder shape, and measuring electrode 6 upper end is metal thread end external diameter and is greater than the internal diameter of clamp hole 91, and measuring electrode 6 lower extreme is used for measuring pH and mV value external diameter for the electrode end and is less than the internal diameter of clamp hole 91, and after measuring electrode 6 measurement was accomplished and is broken away from connector 5, measuring electrode 6 was not washd temporarily, with measuring electrode 6 insert in clamp hole 91.

The three groups of electrode clamps 9 are rotatably and fixedly connected to the outer wall of the rotating shaft 92, and the three groups of electrode clamps 9 are distributed in the axial direction of the rotating shaft 92, so that the three groups of electrode clamps 9 can be rotated to be overlapped into one group, and the size reduction is realized.

The multiunit that offers the word arrangement on the pH meter body 1 holds chamber 7, and the inside wall that holds chamber 7 is provided with the permanent magnet, and the metal screw thread end of measuring electrode 6 and the cooperation of attracting mutually of permanent magnet magnetism, the structure that holds chamber 7 and measuring electrode 6 appearance match, and measuring electrode 6 can be dismantled and insert or take out the corresponding chamber 7 that holds.

In order to avoid the magnetic adsorption power between measuring electrode 6 and the permanent magnet when being not enough with measuring electrode 6 absorption in holding chamber 7, pH meter body 1 lateral wall articulates there is closed door 10, rotatory closed door 10 can open or the chamber 7 opening that holds that closed word is arranged, pH meter body 1 lateral wall swivelling joint has knob 11, when the chamber 7 opening that holds that closed door 10 closed word is arranged, rotatory knob 11 and closed door 10 lateral wall butt, thereby block closed door 10 and rotate, thereby it is fixed with closed door 10 relative pH meter body 1 to realize, thereby block measuring electrode 6 and break away from and hold chamber 7.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a follow-on laboratory PH meter, includes pH meter body (1) and multiunit measuring electrode (6), be provided with display screen (2) and operating button (3) on pH meter body (1), its characterized in that: PH meter body (1) is connected with connector (5) through electric wire (4), can dismantle the electricity between connector (5) and measuring electrode (6) and connect, set up chamber (7) that hold of one-to-one measuring electrode (6) on PH meter body (1), measuring electrode (6) can be dismantled and inlay and hold in chamber (7).

2. An improved laboratory PH meter as set forth in claim 1, wherein: the pH meter is characterized in that the pH meter body (1) is connected with an electrode clamp (9) through a plastic supporting tube (8), and a plurality of groups of clamp holes (91) are formed in the electrode clamp (9).

3. An improved laboratory PH meter as set forth in claim 2, wherein: the electrode clamps (9) are provided with a plurality of groups, the electrode clamps (9) are rotatably connected to the outer wall of the rotating shaft (92), and the electrode clamps (9) can be rotated to enable the electrode clamps (9) to be overlapped.

4. An improved laboratory PH meter as set forth in claim 1, wherein: articulated on the pH meter body (1) have closing door (10), swivelling joint has knob (11) on the pH meter body (1), and rotatory closing door (10) can close the multiunit hold the opening of chamber (7), pass through when closing door (10) closed multiunit hold the opening of chamber (7) the fixed closing door (10) of knob (11).

5. An improved laboratory PH meter as set forth in claim 1, wherein: the permanent magnet is installed to holding chamber (7) inside wall, measuring electrode (6) and permanent magnet magnetism attract each other.