Search

CN-224216620-U - PH value detector by ion electrode method

CN224216620UCN 224216620 UCN224216620 UCN 224216620UCN-224216620-U

Abstract

The utility model discloses an ionic electrode method pH value detector, and relates to the field of acid-base detection. The device includes the detector, installs electrode support and measuring subassembly on the detector, and electrode support and measuring subassembly include bracing piece, PH glass electrode and rotation ring piece, and PH glass electrode sets up in the bracing piece, and the bracing piece is used for supporting PH glass electrode, rotates the ring piece and rotates to be connected in the bracing piece, and fixedly connected with bracing piece in the rotation ring piece, PH glass electrode sliding connection in the bracing piece, rotation ring piece drive PH glass electrode carry out circumference rotation, and the bracing piece is used for adjusting the distance of PH glass electrode from the centre of a circle. The device is through setting up the pivoted slewing ring piece for can be with the even stirring of PH glass electrode solution in the test cylinder, adjust the distance of PH glass electrode distance centre of a circle through vice sliding tray simultaneously, with this the test cylinder of adaptation different bottleneck sizes, make stirring process safe and effective.

Inventors

  • WU BAOLU
  • GU LI

Assignees

  • 无锡物博新仪电子科技有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (7)

  1. 1. The utility model provides an ion electrode method pH valve detector, includes detector (1), its characterized in that, install electrode support and measurement subassembly (2) on detector (1), electrode support and measurement subassembly (2) include: a support rod (21); The PH glass electrode (22), the PH glass electrode (22) is arranged in the supporting rod (21), the supporting rod (21) is used for supporting the PH glass electrode (22), and the PH glass electrode (22) is electrically connected with the detector (1); The PH glass electrode comprises a rotating ring block (23), wherein the rotating ring block (23) is rotationally connected in a supporting rod (21), a supporting connecting block (231) is fixedly connected in the rotating ring block (23), a PH glass electrode (22) is slidingly connected in the supporting connecting block (231), the rotating ring block (23) drives the PH glass electrode (22) to circumferentially rotate, and the supporting connecting block (231) is used for adjusting the distance between the PH glass electrode (22) and a circle center.
  2. 2. The ionic electrode pH value detector as set forth in claim 1, wherein one end of the supporting rod (21) is fixedly connected with a supporting ring (214), a rotating ring groove (215) is formed in the supporting ring (214), and the rotating ring block (23) is rotatably connected to the rotating ring groove (215).
  3. 3. The ionic electrode pH value detector as set forth in claim 1, wherein a threaded ring (211) is fixedly connected to the bottom end of the other end of the supporting rod (21), a fixing through hole (212) is formed in the threaded ring (211), and a nut (213) is externally connected to the threaded ring (211).
  4. 4. The ionic electrode pH value detector as set forth in claim 3, wherein the electrode supporting and measuring assembly (2) further comprises a supporting main column (24), the supporting main column (24) is slidably connected in the fixing through hole (212), the screw cap (213) is used for screwing the threaded ring (211), and the screw cap (213) is used for fixing the supporting rod (21) on the supporting main column (24).
  5. 5. The ionic electrode pH detector as set forth in claim 1, wherein the main sliding groove (232) is provided in the support connection block (231), and the PH glass electrode (22) is slidably connected in the main sliding groove (232).
  6. 6. The ionic electrode pH value detector as set forth in claim 3, wherein the support connection block (231) is provided with a secondary sliding groove (233), one end of the PH glass electrode (22) is fixedly connected with a threaded column (221), the threaded column (221) is slidably connected in the secondary sliding groove (233), a nut (213) is also screwed on the threaded column (221), the nut (213) is used for screwing the threaded column (221) on the secondary sliding groove (233), and the nut (213) is used for fixing the PH glass electrode (22) in the support connection block (231).
  7. 7. The ionic electrode pH value detector as set forth in claim 1, wherein a rotary rod (234) is fixedly connected to the top end of the rotary ring block (23), and the rotary rod (234) is used for rotating the rotary ring block (23).

Description

PH value detector by ion electrode method Technical Field The utility model relates to the technical field of acid-base detection, in particular to an ionic electrode method pH value detector. Background The ion electrode method pH detector is an electrochemical system consisting of a pH sensitive glass electrode and a reference electrode, and is gradually the mainstream technology of pH detection along with the invention of a glass membrane electrode and the perfection of a Nernst equation. The method is used for determining the pH value by measuring the potential difference generated by the activity of hydrogen ions in the solution, and mainly by measuring the activity of the hydrogen ions in the solution. The core component of the detector comprises an indicating electrode, a reference electrode, a potential measuring circuit and a signal processing system. The existing detector is usually used for detecting the pH value of the solution in the test tube, and the PH glass electrode is usually placed in the test tube and then is held to shake the test tube, so that the solution in the cup is uniform, and meanwhile, the PH glass electrode can be fully contacted with the solution in all areas in the cup, so that the measurement is more accurate. However, because the volumes of the test cylinders are different, the shaking frequency and the shaking amplitude of test personnel are also different, the PH glass electrode is easy to touch the wall of the test cylinder, and the PH glass electrode is directly broken when serious, so that safety accidents are generated. Aiming at the above situation, the utility model provides an ionic electrode method pH value detector to solve the problems. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an ion electrode method pH value detector, which solves the problems that the PH glass electrode is easy to crack and safety accidents are caused by the fact that the PH glass electrode is easy to touch the wall of a test tube due to different volumes of test tubes and different shaking frequencies and amplitudes of test personnel. The PH glass electrode is arranged in the support rod, the support rod is used for supporting the PH glass electrode, the rotating ring block is rotationally connected in the support rod, the support rod is fixedly connected in the rotating ring block, the PH glass electrode is slidingly connected in the support rod, the rotating ring block drives the PH glass electrode to circumferentially rotate, and the support rod is used for adjusting the distance between the PH glass electrode and the center of a circle. Preferably, one end of the supporting rod is fixedly connected with a supporting ring, a rotating ring groove is formed in the supporting ring, and the rotating ring block is rotationally connected to the rotating ring groove. Preferably, the other end bottom fixedly connected with screwed ring of bracing piece, set up fixed through-hole on the screwed ring, screwed ring external screw thread is connected with the nut. Preferably, the electrode supporting and measuring assembly further comprises a supporting main column, the supporting main column is slidably connected in the fixing through hole, the screw cap is used for screwing the threaded ring, and the screw cap is used for fixing the supporting rod on the supporting main column. Preferably, a main sliding groove is formed in the supporting rod, and the PH glass electrode is connected in the main sliding groove in a sliding mode. Preferably, the auxiliary sliding groove is formed in the supporting rod, one end of the PH glass electrode is fixedly connected with a threaded column, the threaded column is slidably connected in the auxiliary sliding groove, a nut is connected to the threaded column in a threaded manner, the nut is used for screwing the threaded column on the auxiliary sliding groove, and the nut is used for fixing the PH glass electrode in the supporting rod. Preferably, the top end of the rotating ring block is fixedly connected with a rotating rotary rod, and the rotating rotary rod is used for rotating the rotating ring block. The utility model discloses an ion electrode method pH value detector which has the beneficial effects that by arranging a rotatable rotating ring block, the ion electrode method pH value detector can uniformly stir a solution in a test cylinder of a PH glass electrode, and simultaneously, the distance between the PH glass electrode and the center of a circle is regulated by a secondary sliding groove, so that the ion electrode method pH value detector is suitable for test cylinders with different bottle mouth sizes, and the stirring process is safe and effective. Drawings In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being