Device for measuring pH value of surfactant aqueous solution
By using fastening components to fix the PH electrode and positioning components to fix the beaker in the pH measurement device of the surfactant aqueous solution, the problem of easy swing and damage to the PH meter electrode is solved, and the accuracy and stability of the measurement are improved.
Patent Information
- Application Number
- CN202420690977.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-07
AI Technical Summary
In the existing pH measurement device for aqueous surfactant solution, the pH meter electrode lacks a fixed structure, which is easy to swing and damage, affecting the accuracy of the measurement results.
A device including a PH meter body, wires, PH electrodes and fastening components is designed to fix the PH electrodes through the fastening plate and the limiting plate to prevent swinging, and to fix the beaker through the positioning member to prevent pouring.
Effectively prevent PH electrode collision damage, improve measurement accuracy and stability, extend the service life of the electrode, and ensure the reliability of measurement results.
Smart Images
Figure CN222299541U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pH value measuring equipment, in particular to a pH value measuring device for a surfactant aqueous solution. Background Art
[0002] Surfactants, also known as interfacial agents, are compounds that can significantly reduce the surface tension or interfacial tension between two liquids, between liquid and gas, and between liquid and solid. Surfactants are divided into ionic surfactants (including cationic surfactants, anionic surfactants, amphoteric surfactants), non-ionic surfactants, compound surfactants, other surfactants, etc. The pH value of surfactant aqueous solutions is usually measured using a pH meter.
[0003] The existing patent CN211627434U discloses an online pH meter, which relates to the field of electronic equipment. The online pH meter includes a pH meter body with a display screen installed, the pH meter body is connected to pH meter electrodes through wires, a battery is installed inside the pH meter body, a SIM card reader and a mobile phone signal generator are installed inside the pH meter body, and the SIM card reader is connected to the control chip of the pH meter body and the mobile phone signal generator. The online pH meter is connected to the network by installing a SIM card and using the services of a third-party communication company to transmit data remotely without being affected by a wired network or a wireless network, and is more suitable for outdoor pH value measurement.
[0004] Based on the search of the above patents and in combination with the measuring devices in the prior art, it was found that although the existing measuring devices can measure the pH value of the surfactant aqueous solution, when in use, the pH meter electrode lacks a fixed structure and is easily swung. If a collision occurs, the pH meter electrode is easily damaged, which in turn affects the accuracy of the measurement results. Utility Model Content
[0005] The purpose of the utility model is to provide a device for measuring the pH value of an aqueous surfactant solution, so as to solve the problem that although the existing measuring device proposed in the above background technology can measure the pH value of an aqueous surfactant solution, when it is used, the pH meter electrode lacks a fixed structure and is easily swung. If a collision occurs, the pH meter electrode is easily damaged, which in turn affects the accuracy of the measurement result.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for measuring the pH value of a surfactant aqueous solution, comprising a pH meter body, one side of the pH meter body is fixedly connected with an electric wire, one end of the electric wire is provided with a pH electrode, one side of the pH meter body is provided with a fastening component for fixing the pH electrode, and one side of the pH meter body is provided with a positioning component for preventing a beaker from tipping over;
[0007] The fastening component includes a support frame connected to one side of the pH meter body, a screw rod connected to the support frame, a fastening plate connected to one end of the screw rod, a first knob connected to the other end of the screw rod, a support rod connected to one side of the pH meter body, a limit plate connected to the support rod, a limiting component for fixing the wires, and an anti-rotation component for preventing the fastening plate from rotating. The screw rod is threadedly connected to the support frame, and the screw rod is rotatably connected to the fastening plate.
[0008] Preferably, the positioning component includes an extension plate fixedly connected to one side of the pH meter body, movable grooves respectively opened on both sides of the top of the extension plate, a movable block connected to the movable groove, a positioning block connected to the top of the movable block, a bidirectional screw connected to the movable block, and a second knob connected to one end of the bidirectional screw, the bidirectional screw is threadedly connected to the movable block, and the bidirectional screw is rotatably connected to the extension plate.
[0009] Preferably, the limiting component includes a slide groove opened on the top of the pH meter body, sliders respectively connected to the two sides of the slide groove, a spring connected to one side of the slider, and a clamping plate connected to the top of the slider, the slider is slidably connected to the slide groove, and one side of the clamping plate is arc-shaped.
[0010] Preferably, the anti-rotation component includes an anti-rotation rod fixedly connected to both sides of the fastening plate and an anti-rotation opening respectively opened on both sides of the support frame, and the anti-rotation rod is slidably connected to the anti-rotation opening.
[0011] Preferably, a placement plate is fixedly connected to one side of the pH meter body, and a slot is provided on the top of the placement plate.
[0012] Preferably, a first protection pad is provided on the inner side of the positioning block, and the first protection pad is fixedly connected to the positioning block.
[0013] Preferably, a second protection pad is provided on one side of the fastening plate and the limiting plate, and two of the second protection pads are fixedly connected to the fastening plate and the limiting plate respectively.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. By setting the pH meter body, wires, pH electrodes and fastening components, the pH electrode can contact the limit plate, and by turning the first knob, the screw rod can be driven to rotate, thereby pushing the fastening plate to move. The movement of the fastening plate can fix the pH electrode between the fastening plate and the limit plate, thereby preventing the pH electrode from swinging and protecting the pH electrode from collision and damage. The pH electrode can be inserted into a beaker containing a surfactant aqueous solution to measure the pH value, thereby greatly improving the practicality of the device;
[0016] 2. By providing a positioning component, a beaker containing an aqueous surfactant solution can be placed on the top of the extension plate. By turning the second knob, the bidirectional screw can be driven to rotate, thereby causing the two moving blocks to move toward the middle, thereby driving the positioning block to move, thereby fixing the beaker and preventing the beaker from being accidentally knocked over, thereby ensuring measurement stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;
[0018] Figure 2 A left side view provided for the utility model;
[0019] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;
[0020] Figure 4 The utility model provides Figure 3 Enlarged view of point C in the middle;
[0021] Figure 5 A front view provided for the utility model;
[0022] Figure 6 The utility model provides Figure 5 A three-dimensional cross-section view at the middle BB;
[0023] Figure 7 The utility model provides Figure 6 Enlarged view of point D in the middle.
[0024] In the figure: 1. pH meter body; 11. electric wire; 12. pH electrode; 21. support frame; 22. screw rod; 23. fastening plate; 24. first knob; 25. support rod; 26. limit plate; 31. extension plate; 32. moving groove; 33. moving block; 34. positioning block; 35. bidirectional screw; 36. second knob; 41. slide groove; 42. slider; 43. spring; 44. clamping plate; 51. anti-rotation rod; 52. anti-rotation mouth; 61. placement plate; 62. slot; 71. first protection pad; 81. second protection pad. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7The utility model provides a technical solution: a device for measuring the pH value of a surfactant aqueous solution, comprising a pH meter body 1, a wire 11 is fixedly connected to one side of the pH meter body 1, a pH electrode 12 is arranged at one end of the wire 11, a fastening component for fixing the pH electrode 12 is arranged at one side of the pH meter body 1, a positioning component for preventing a beaker from tipping over is arranged at one side of the pH meter body 1, the fastening component comprises a support frame 21 connected to one side of the pH meter body 1, a screw rod 22 connected to the support frame 21, a fastening plate 23 connected to one end of the screw rod 22, a first knob 24 connected to the other end of the screw rod 22, a support rod 25 connected to one side of the pH meter body 1, a limit plate 26 connected to the support rod 25, and a positioning component for preventing a beaker from tipping over. The limiting component for fixing the electric wire 11 and the anti-rotation component for preventing the fastening plate 23 from rotating, the screw rod 22 is screwed to the support frame 21, the screw rod 22 is rotatably connected to the fastening plate 23, the left side of the PH electrode 12 can contact with the limiting plate 26, turning the first knob 24 can drive the screw rod 22 to rotate, the rotation of the screw rod 22 can push the fastening plate 23 to move, the movement of the fastening plate 23 can contact with the right side of the PH electrode 12, and then the PH electrode 12 can be fixed, the PH electrode 12 can be prevented from being damaged by swinging, colliding, and the service life of the PH electrode 12 can be improved, and a second protective pad 81 is provided on one side of the fastening plate 23 and the limiting plate 26, and the two second protective pads 81 are respectively connected to the fastening plate 23 and The limiting plate 26 is fixedly connected, and the second protection pad 81 can provide buffer protection for the PH electrode 12 to prevent it from being damaged due to excessive clamping force. The limiting component includes a slide groove 41 opened on the top of the PH meter body 1, sliders 42 respectively connected to the two sides of the slide groove 41, a spring 43 connected to one side of the slider 42, and a clamping plate 44 connected to the top of the slider 42. The slider 42 is slidably connected to the slide groove 41, and one side of the clamping plate 44 is arc-shaped. The two clamping plates 44 can drive the slider 42 to slide, and the sliding of the slider 42 can squeeze the spring 43 to deform it. The elasticity of the spring 43 can be used to push the clamping plate 44 to clamp and fix the wire 11, which can prevent the wire 11 from swinging, and then it can be carried out. In order to further improve the protection stability of the PH electrode 12 and the wire 11, the anti-rotation component includes an anti-rotation rod 51 fixedly connected to the two sides of the fastening plate 23 and an anti-rotation opening 52 respectively opened on both sides of the support frame 21. The anti-rotation rod 51 is slidably connected to the anti-rotation opening 52. The anti-rotation rod 51 can move synchronously with the fastening plate 23 to prevent the fastening plate 23 from rotating synchronously with the screw rod 22, so that the fastening plate 23 moves laterally, which is convenient for fixing the PH electrode 12. A placement plate 61 is fixedly connected to one side of the PH meter body 1, and a slot 62 is opened on the top of the placement plate 61. The bottom of the PH electrode 12 can be inserted into the slot 62, so that the PH electrode 12 can be supported from the bottom, which can improve the fixing stability of the PH electrode 12.
[0027] See also Figure 1 , Figure 2 as well as Figure 3 The positioning component includes an extension plate 31 fixedly connected to one side of the pH meter body 1, a moving groove 32 respectively opened on both sides of the top of the extension plate 31, a moving block 33 connected to the moving groove 32, a positioning block 34 connected to the top of the moving block 33, a bidirectional screw 35 connected to the moving block 33 and a second knob 36 connected to one end of the bidirectional screw 35, the bidirectional screw 35 is screwed with the moving block 33, the bidirectional screw 35 is rotatably connected to the extension plate 31, the moving block 33 and the moving groove 32 are both T-shaped, the second knob 36 can drive the bidirectional screw 35 to rotate, and then the two moving blocks 33 can move in the opposite direction, and then the two positioning blocks 34 can be driven to move, the beaker can be positioned and fixed to prevent the beaker from being accidentally knocked over, and the measurement stability can be ensured, a first protective pad 71 is provided on the inner side of the positioning block 34, the first protective pad 71 is fixedly connected to the positioning block 34, the first protective pad 71 can play a buffering role, can protect the beaker, and prevent the beaker from being damaged.
[0028] Working principle: During operation, a beaker containing an aqueous surfactant solution is placed on the extension plate 31, and then the second knob 36 is turned. The second knob 36 can drive the bidirectional screw 35 to rotate. The rotation of the bidirectional screw 35 can drive the two moving blocks 33 to move toward the middle. The movement of the moving block 33 can drive the positioning block 34 to move. The movement of the positioning block 34 can position and fix the beaker. Then the pH electrode 12 can be inserted into the beaker to detect the pH value of the aqueous surfactant solution. After the detection is completed, the wire 11 is first fixed, and the two clamping plates 44 are pushed. The movement of the clamping plates 44 can drive the slider 42 to slide. The sliding of the slider 42 can drive the spring 43 to deform. Then the wire 11 is placed between the two clamping plates 44. The spring The reaction force generated by the deformation of 43 can push the clamping plate 44 to fix the wire 11, and then the bottom of the PH electrode 12 is inserted into the slot 62, and at the same time, the left side of the PH electrode 12 is fitted with the limiting plate 26, and then the first knob 24 is rotated. The first knob 24 can drive the screw rod 22 to rotate, and the rotation of the screw rod 22 can push the fastening plate 23 to move. The movement of the fastening plate 23 can fit with the right side of the PH electrode 12, and then the PH electrode 12 can be fixed between the fastening plate 23 and the limiting plate 26, which can prevent the PH electrode 12 and the wire 11 from swinging, and can protect them and increase their service life. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for measuring the pH value of a surfactant aqueous solution, comprising a pH meter body (1), characterized in that: A wire (11) is fixedly connected to one side of the pH meter body (1), a pH electrode (12) is provided at one end of the wire (11), a fastening component for fixing the pH electrode (12) is provided on one side of the pH meter body (1), and a positioning component for preventing the beaker from tipping over is provided on one side of the pH meter body (1); The fastening component comprises a support frame (21) connected to one side of the pH meter body (1), a screw rod (22) connected to the support frame (21), a fastening plate (23) connected to one end of the screw rod (22), a first knob (24) connected to the other end of the screw rod (22), a support rod (25) connected to one side of the pH meter body (1), a limit plate (26) connected to the support rod (25), a limiting component for fixing the electric wire (11), and an anti-rotation component for preventing the fastening plate (23) from rotating. The screw rod (22) is threadedly connected to the support frame (21), and the screw rod (22) is rotatably connected to the fastening plate (23).
2. The pH value measuring device for surfactant aqueous solution according to claim 1, characterized in that: The positioning component comprises an extension plate (31) fixedly connected to one side of the pH meter body (1), a movable groove (32) respectively provided on both sides of the top of the extension plate (31), a movable block (33) connected to the movable groove (32), a positioning block (34) connected to the top of the movable block (33), a bidirectional screw (35) connected to the movable block (33), and a second knob (36) connected to one end of the bidirectional screw (35), wherein the bidirectional screw (35) is threadedly connected to the movable block (33), and the bidirectional screw (35) is rotationally connected to the extension plate (31).
3. The pH value measuring device for surfactant aqueous solution according to claim 1, characterized in that: The limiting component comprises a slide groove (41) provided at the top of the pH meter body (1), a slider (42) respectively connected to the two sides of the slide groove (41), a spring (43) connected to one side of the slider (42), and a clamping plate (44) connected to the top of the slider (42); the slider (42) is slidably connected to the slide groove (41), and one side of the clamping plate (44) is arc-shaped.
4. The pH value measuring device for surfactant aqueous solution according to claim 1, characterized in that: The anti-rotation component comprises an anti-rotation rod (51) fixedly connected to both sides of the fastening plate (23) and an anti-rotation opening (52) respectively opened on both sides of the support frame (21), and the anti-rotation rod (51) is slidably connected to the anti-rotation opening (52).
5. The pH value measuring device for surfactant aqueous solution according to claim 1, characterized in that: A placement plate (61) is fixedly connected to one side of the pH meter body (1), and a slot (62) is provided on the top of the placement plate (61).
6. The device for measuring the pH value of a surfactant aqueous solution according to claim 2, characterized in that: A first protection pad (71) is provided on the inner side of the positioning block (34), and the first protection pad (71) is fixedly connected to the positioning block (34).
7. The device for measuring the pH value of a surfactant aqueous solution according to claim 1, characterized in that: A second protection pad (81) is provided on one side of the fastening plate (23) and the limiting plate (26), and the two second protection pads (81) are fixedly connected to the fastening plate (23) and the limiting plate (26) respectively.