Pipeline type pH electrode convenient to disassemble and assemble

Abstract

The utility model discloses a pipeline type pH electrode convenient to disassemble and assemble, which is applied to the technical field of pH sensors, and is characterized in that a pull block is pulled to separate a first clamping block from a second clamping block, so that a connecting block drives a spring to move, the spring is compressed, then a probe is inserted into a through hole, the pull block is loosened, and the pipeline type pH electrode is assembled and disassembled. The first clamping block and the second clamping block can be automatically reset through resilience force of the spring, the positioning block is clamped into the positioning groove, and then the probe is clamped and fixed, operation is convenient and fast, an electrode host is placed on the support, then the rotary knob is screwed to enable the driving wheel to drive the driven wheel to rotate, and the driven wheel can drive the lead screw to rotate when rotating; and therefore, the electrode host can be clamped and fixed, and the operation is convenient and fast.

Description

Technical Field

[0001] This invention belongs to the field of pH sensor technology, and specifically relates to a tubular pH electrode that is easy to assemble and disassemble. Background Technology

[0002] A pH electrode, also known as a pH probe or pH sensor, is the part of a pH meter that comes into contact with the substance being measured. It is a device used to measure the electrode potential.

[0003] Currently, some in-line pH electrode sensors use an immersion installation method, fixing the sensor to one end of a metal or PVC pipe using threads. However, during maintenance, one end of the wire must be loosened, the sensor removed from the detection medium, and then it must be removed from the mounting bracket. The disassembly and assembly process is not convenient and needs improvement. Utility Model Content

[0004] The purpose of this invention is to provide a tubular pH electrode that is easy to assemble and disassemble, with the advantages of easy assembly and disassembly of the electrode sensor and convenient operation.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a tubular pH electrode that is easy to assemble and disassemble, including a connecting tube, a bracket fixedly connected to the outside of the connecting tube, an electrode host provided on the top of the bracket, a measuring cylinder connected to one side of the connecting tube, a through hole opened on the top of the measuring cylinder, a probe inserted into the inner wall of the through hole, a first locking block and a second locking block respectively provided on the top of the measuring cylinder, a sealing ring provided on the inner wall of both the first locking block and the second locking block, and a positioning component provided on one side of both the first locking block and the second locking block.

[0006] The above technical solution allows the first and second locking blocks to automatically reset and the positioning block to be inserted into the positioning groove, thereby clamping and fixing the probe. The operation is convenient. The bracket facilitates the installation and fixing of the electrode host.

[0007] The present invention is further configured such that: the bracket includes a knob, a driving wheel, a driven wheel, a lead screw, a clamping plate, a slider, and a slide groove; the inner wall of the bracket is rotatably connected to the knob; and the outer side of the knob is provided with anti-slip texture.

[0008] The above technical solution facilitates rotation by turning the knob.

[0009] The present invention is further configured such that one end of the knob is fixedly connected to a driving wheel, the outer side of the driving wheel is meshed with a driven wheel, the inner ring of the driven wheel is fixedly connected to a lead screw, the outer side of the lead screw is threaded with a clamping plate, and one end of the lead screw is rotatably connected to the inner wall of the bracket through a bearing seat.

[0010] The above technical solution facilitates the clamping and fixing of the electrode host.

[0011] The present invention is further configured such that a slider is fixedly connected to one side of the clamping plate, and a groove is provided on the inner wall of the bracket, and the slider is slidably connected to the groove.

[0012] The above technical solution can prevent the clamping plate from rotating with the lead screw.

[0013] The present invention is further configured such that the positioning component includes a pull block fixed to one side of the first card block and the second card block, and a connecting block is fixedly connected to the bottom of both the first card block and the second card block.

[0014] The above technical solution facilitates the movement of the first and second locking blocks.

[0015] The present invention is further configured such that the positioning component includes a spring fixed to one side of the connecting block, and one end of the spring is fixedly connected to the inner wall of the measuring cylinder.

[0016] The above technical solution facilitates the reset of the first and second card blocks.

[0017] The present invention is further configured such that a limiting block is fixedly connected to one side of the connecting block, and the outer side of the limiting block is slidably connected to the inner wall of the measuring cylinder.

[0018] The above technical solution enables the connecting block to move stably.

[0019] The present invention is further configured such that a positioning groove is provided on the inner wall of the first card block, and a positioning block is fixedly connected to one side of the second card block.

[0020] By adopting the above technical solution, the first card block and the second card block can be engaged.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. The positioning component allows the first and second locking blocks to automatically reset and the positioning block to be inserted into the positioning groove, thereby clamping and fixing the probe. The reverse operation allows for easy disassembly of the probe, making the operation convenient.

[0023] 2: Place the electrode unit on the bracket, then turn the knob to make the drive wheel rotate, which in turn drives the lead screw to rotate, thereby moving the clamping plate and clamping and fixing the electrode unit. The operation is convenient. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the positioning component of this utility model;

[0026] Figure 3 This is a schematic diagram of the driving wheel and driven wheel of this utility model;

[0027] Figure 4 This is a utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0028] Reference numerals: 1. Connecting pipe; 2. Bracket; 201. Knob; 202. Driving wheel; 203. Driven wheel; 204. Lead screw; 205. Clamping plate; 206. Slider; 207. Slide groove; 3. Electrode main unit; 4. Measuring cylinder; 5. Through hole; 6. Probe; 7. First locking block; 8. Second locking block; 9. Sealing ring; 10. Pulling block; 11. Connecting block; 12. Spring; 13. Limiting block; 14. Positioning groove; 15. Positioning block. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] refer to Figure 1 , Figure 2 and Figure 4 A tubular pH electrode that is easy to assemble and disassemble includes a connecting tube 1, a bracket 2 fixedly connected to the outside of the connecting tube 1, an electrode host 3 set on the top of the bracket 2, a measuring cylinder 4 connected to one side of the connecting tube 1, a through hole 5 opened on the top of the measuring cylinder 4, a probe 6 inserted into the inner wall of the through hole 5, a first locking block 7 and a second locking block 8 respectively set on the top of the measuring cylinder 4, a sealing ring 9 is set on the inner wall of the first locking block 7 and the second locking block 8, and the probe 6 is sealed by the sealing ring 9. A positioning component is set on one side of the first locking block 7 and the second locking block 8.

[0032] The electrode host 3 is electrically connected to the probe 6 via a cable.

[0033] refer to Figure 2 and Figure 4 The positioning component includes a pull block 10 fixed to one side of the first locking block 7 and the second locking block 8, and a connecting block 11 is fixedly connected to the bottom of both the first locking block 7 and the second locking block 8.

[0034] refer to Figure 2 and Figure 4 The positioning assembly also includes a spring 12 fixed to one side of the connecting block 11, with one end of the spring 12 fixedly connected to the inner wall of the measuring cylinder 4.

[0035] refer to Figure 4A limiting block 13 is fixedly connected to one side of the connecting block 11. The outer side of the limiting block 13 is slidably connected to the inner wall of the measuring cylinder 4. By sliding the limiting block 13 on the inner wall of the measuring cylinder 4, the stability of the connecting block 11 during movement can be improved.

[0036] refer to Figure 2 The inner wall of the first card block 7 is provided with a positioning groove 14, and a positioning block 15 is fixedly connected to one side of the second card block 8.

[0037] Brief description of the usage process: Pull the pull block 10 to separate the first locking block 7 from the second locking block 8, thereby causing the connecting block 11 to move the spring 12 and compress the spring 12. Then, insert the probe 6 into the through hole 5 and release the pull block 10. The spring 12's rebound force will cause the first locking block 7 and the second locking block 8 to automatically reset and the positioning block 15 to be locked into the positioning groove 14, thereby clamping and fixing the probe 6. The reverse operation can easily disassemble the probe 6, making the operation convenient.

[0038] Example 2:

[0039] refer to Figure 3 The bracket 2 includes a knob 201, a driving wheel 202, a driven wheel 203, a lead screw 204, a clamping plate 205, a slider 206, and a groove 207. The knob 201 is rotatably connected to the inner wall of the bracket 2, and the outer side of the knob 201 is provided with anti-slip texture.

[0040] refer to Figure 3 One end of the knob 201 is fixedly connected to the drive wheel 202, the outer side of the drive wheel 202 is meshed with the driven wheel 203, the inner ring of the driven wheel 203 is fixedly connected to the lead screw 204, the outer side of the lead screw 204 is threadedly connected to the clamp 205, and one end of the lead screw 204 is rotatably connected to the inner wall of the bracket 2 through the bearing seat.

[0041] refer to Figure 3 A slider 206 is fixedly connected to one side of the clamping plate 205. A groove 207 is provided on the inner wall of the bracket 2. The slider 206 is slidably connected to the groove 207. Through the cooperation of the slider 206 and the groove 207, the clamping plate 205 can be prevented from rotating with the lead screw 204.

[0042] Brief description of the usage process: Place the electrode host 3 on the bracket 2, and then turn the knob 201 to make the driving wheel 202 drive the driven wheel 203 to rotate. When the driven wheel 203 rotates, it can drive the lead screw 204 to rotate, which in turn allows the clamping plate 205 to move and clamp and fix the electrode host 3. The operation is convenient.

[0043] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A pipe pH electrode which is easy to disassemble, comprising a connecting pipe (1), characterized in that: The outer side of the connecting pipe (1) is fixedly connected with a support (2), the top of the support (2) is provided with an electrode main machine (3), one side of the connecting pipe (1) is communicated with a measuring cylinder (4), the top of the measuring cylinder (4) is provided with a through hole (5), the inner wall of the through hole (5) is inserted with a probe (6), the top of the measuring cylinder (4) is respectively provided with a first clamping block (7) and a second clamping block (8), the inner walls of the first clamping block (7) and the second clamping block (8) are both provided with sealing rings (9), and the inner walls of the first clamping block (7) and the second clamping block (8) are both provided with positioning assemblies.

2. A pipe pH electrode according to claim 1, wherein: The support (2) comprises a knob (201), a driving wheel (202), a driven wheel (203), a lead screw (204), a clamping plate (205), a sliding block (206) and a sliding groove (207), the inner wall of the support (2) is rotatably connected with the knob (201), and the outer side of the knob (201) is provided with anti-skid lines.

3. A pipe pH electrode according to claim 2, wherein: One end of the knob (201) is fixedly connected with the driving wheel (202), the outer side of the driving wheel (202) is meshedly connected with the driven wheel (203), the inner ring of the driven wheel (203) is fixedly connected with the lead screw (204), the outer side of the lead screw (204) is threadedly connected with the clamping plate (205), and one end of the lead screw (204) is rotatably connected with the inner wall of the support (2) through a bearing seat.

4. The easily removable tubing-type pH electrode according to claim 2, wherein: One side of the clamping plate (205) is fixedly connected with the sliding block (206), the inner wall of the support (2) is provided with the sliding groove (207), and the sliding block (206) and the sliding groove (207) are slidably connected.

5. The easily removable tubing-based pH electrode of claim 1, wherein: The positioning assembly comprises a pulling block (10) fixed to one side of the first clamping block (7) and the second clamping block (8), and the bottom of the first clamping block (7) and the second clamping block (8) is fixedly connected with a connecting block (11).

6. A pipe pH electrode according to claim 5, wherein: The positioning assembly further comprises a spring (12) fixed to one side of the connecting block (11), and one end of the spring (12) is fixedly connected with the inner wall of the measuring cylinder (4).

7. A pipe pH electrode according to claim 5, wherein: One side of the connecting block (11) is fixedly connected with a limiting block (13), and the outer side of the limiting block (13) is slidably connected with the inner wall of the measuring cylinder (4).

8. The easily removable tubing-based pH electrode of claim 1, wherein: The inner wall of the first clamping block (7) is provided with a positioning groove (14), and one side of the second clamping block (8) is fixedly connected with a positioning block (15).

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