Height-adjustable dissolved oxygen sensor

Abstract

The utility model relates to the technical field of dissolved oxygen sensors, in particular to a height-adjustable dissolved oxygen sensor which comprises a flange, a supporting sleeve fixedly mounted in the middle of the flange, an adjusting sleeve movably arranged in the supporting sleeve, a sensor body arranged on the lower portion of the interior of the adjusting sleeve, and a height adjusting sleeve movably arranged in the adjusting sleeve. A height adjusting mechanism is arranged between the sensor body and the adjusting sleeve; a pressing ring is movably arranged at the upper end of the supporting sleeve and located outside the adjusting sleeve. When the adjusting sleeve is fixed and the height of the sensor body needs to be adjusted, the adjusting rod is lifted up or pulled down until the limiting rod at one end of the adjusting rod and the limiting groove in the corresponding position are located on the same horizontal line, then the adjusting rod is rotated, and the adjusting rod drives the sensor body to rotate synchronously. And the limiting rod horizontally moves into the limiting groove in one side and is fixed, so that the purpose of conveniently adjusting the height is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dissolved oxygen sensor, specifically is a dissolved oxygen sensor that can adjust height. BACKGROUND

[0002] Dissolved oxygen sensor is a kind of important instrument for measuring the dissolved oxygen content in liquid, has widely used in many fields such as environmental monitoring, aquaculture, sewage treatment and industrial production.In actual use process, often need to be adjusted according to different measurement environment and requirement, the height of dissolved oxygen sensor is flexibly, to ensure that sensor can accurately measure the dissolved oxygen content in liquid.

[0003] The height adjustment mode of existing dissolved oxygen sensor is more complex, usually need to use external tool or carry out tedious operation step to complete the height adjustment, this not only brings inconvenience to user, and in some emergency, the height of sensor cannot be adjusted quickly, influence the timeliness and accuracy of measurement. UTILITY MODEL CONTENT

[0004] The utility model is provided with a dissolved oxygen sensor that can adjust height to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A dissolved oxygen sensor that can adjust height, comprising

[0007] Flange, support sleeve is fixedly installed in the middle part of the flange, adjusting sleeve is movably arranged in the inside of the support sleeve, sensor body is arranged below the inside of the adjusting sleeve, height adjustment mechanism is arranged between the sensor body and adjusting sleeve;

[0008] Pressure ring is movably arranged at the upper end of the support sleeve and outside the adjusting sleeve, pressure rod is arranged at the bottom end of both sides of the pressure ring, dismounting mechanism is arranged between the pressure rod and adjusting sleeve.

[0009] Preferably, the height adjustment mechanism includes lifting groove, lifting groove is vertically arranged on the side of the adjusting sleeve, adjusting rod is fixedly installed at the top end of the sensor body, limiting rod is arranged at the upper end outer wall of the sensor body and inside the lifting groove, a plurality of limiting grooves are arranged at the same side of the lifting groove at equal distance, spring one is arranged between the adjusting sleeve and sensor body and outside the adjusting rod;

[0010] Preferably, the lower end surface of the adjusting sleeve is in abutment with the inside lower end surface of the support sleeve;

[0011] Preferably, the disassembling mechanism comprises a sliding groove, sliding grooves matched with the pressing rod are arranged on both sides of the supporting sleeve, and spring two is arranged between the sliding grooves and the bottom end of the pressing rod;

[0012] Preferably, the disassembling mechanism further comprises spring three, spring three is horizontally arranged at the inner wall of the middle part of the supporting sleeve, the inner side of the spring three is provided with a plug, a plug groove matched with the plug is arranged on the side of the adjusting sleeve close to the plug, and a side groove is arranged on the side of the pressing rod close to the plug;

[0013] Preferably, the side groove is inclined downward.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The dissolved oxygen sensor capable of adjusting height, when the adjusting sleeve is fixed and the height of the sensor body needs to be adjusted, the adjusting rod is lifted or pulled down until the limiting rod at one end of the adjusting rod is in the same horizontal line with the limiting groove at the corresponding position, then the adjusting rod is rotated, the adjusting rod drives the sensor body to rotate synchronously until the limiting rod is horizontally moved into the limiting groove on one side to be fixed, so that the height is conveniently adjusted.

[0016] 2. The dissolved oxygen sensor capable of adjusting height, when installed, the pressure ring is pressed downward, the pressure ring drives the pressing rod to descend and compresses spring two until the side groove corresponds to the plug, at this time, spring three drives the right end of the plug to rebound into the side groove, and the left end of the plug is retracted, then the adjusting sleeve is inserted into the supporting sleeve until the bottom end of the adjusting sleeve abuts against the inner lower end face of the supporting sleeve, and the adjusting sleeve is rotated until the plug groove corresponds to the plug, at this time, spring two in the compressed state lifts the pressing rod, and after the side groove is lifted, the left end of the plug is pushed into the plug groove to be locked, so that the sensor is conveniently and quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a whole sectional view structural schematic diagram of the utility model;

[0019] Figure 3 It is a Figure 2 enlarged schematic diagram of A in the utility model;

[0020] Figure 4 It is a Figure 2 enlarged schematic diagram of B in the utility model.

[0021] In the diagram: 1. Flange; 2. Support sleeve; 3. Adjusting sleeve; 4. Sensor body; 5. Pressure ring; 6. Pressure rod; 7. Lifting groove; 8. Adjusting rod; 9. Limiting rod; 10. Limiting groove; 11. Spring 1; 12. Sliding groove; 13. Spring 2; 14. Spring 3; 15. Plug; 16. Slot; 17. Side groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-4 As shown, this utility model provides a technical solution:

[0024] A height-adjustable dissolved oxygen sensor includes a flange 1, a support sleeve 2 fixedly installed in the middle of the flange 1, an adjusting sleeve 3 movably arranged inside the support sleeve 2, a sensor body 4 arranged below the inside of the adjusting sleeve 3, a height adjustment mechanism arranged between the sensor body 4 and the adjusting sleeve 3, the height adjustment mechanism including a lifting groove 7, a vertically arranged lifting groove 7 on one side of the adjusting sleeve 3, an adjusting rod 8 fixedly installed at the top of the sensor body 4, a limiting rod 9 arranged on the upper outer wall of the sensor body 4 and inside the lifting groove 7, a plurality of limiting grooves 10 arranged at equal intervals on the same side of the lifting groove 7, a spring 11 arranged between the adjusting sleeve 3 and the sensor body 4 and outside the adjusting rod 8, and the lower end face of the adjusting sleeve 3 abutting against the inner lower end face of the support sleeve 2.

[0025] In this embodiment, during installation, the pressure ring 5 is pressed down, causing the pressure rod 6 to descend and compress the second spring 13 until the side groove 17 corresponds to the plug 15. At this time, the third spring 14 drives the right end of the plug 15 to spring back into the side groove 17, and the left end of the plug 15 retracts. Then, the adjusting sleeve 3 is inserted into the support sleeve 2 until the bottom end of the adjusting sleeve 3 abuts against the lower inner surface of the support sleeve 2, and the adjusting sleeve 3 is rotated until the slot 16 corresponds to the plug 15. At this time, the second spring 13, which is in a compressed state, pushes up the pressure rod 6. After the side groove 17 rises, it pushes the left end of the plug 15 into the slot 16 and locks it, thereby achieving the purpose of easy and quick disassembly and assembly.

[0026] like Figure 2 and Figure 4As shown, the pressing ring 5 is movably arranged at the upper end of the supporting sleeve 2 and outside the adjusting sleeve 3, the pressing rods 6 are arranged at the bottom ends of the two sides of the pressing ring 5, the dismounting mechanism is arranged between the pressing rods 6 and the adjusting sleeve 3, the dismounting mechanism comprises the sliding grooves 12, the sliding grooves 12 matched with the pressing rods 6 are arranged at the two sides of the supporting sleeve 2, the spring 13 is arranged between the sliding grooves 12 and the bottom ends of the pressing rods 6, the dismounting mechanism further comprises the spring 14, the spring 14 is horizontally arranged at the inner wall of the middle part of the supporting sleeve 2, the plug 15 is arranged at the inner side of the spring 14, the insertion groove 16 matched with the plug 15 is arranged at the side of the adjusting sleeve 3 close to the plug 15, and the side groove 17 is arranged at the side of the pressing rod 6 close to the plug 15, and the lower part of the side groove 17 is inclined downward.

[0027] In the embodiment, when the adjusting sleeve 3 is fixed, and the height of the sensor body 4 needs to be adjusted, the adjusting rod 8 is lifted or pulled down until the limiting rod 9 at one end of the adjusting rod 8 is in the same horizontal line with the limiting groove 10 at the corresponding position, then the adjusting rod 8 is rotated, the adjusting rod 8 drives the sensor body 4 to rotate synchronously until the limiting rod 9 is horizontally moved into the limiting groove 10 at one side and fixed, so that the height is conveniently adjusted.

[0028] Working principle: when installing, the pressing ring 5 is pressed downward, the pressing ring 5 drives the pressing rods 6 to descend and compress the spring 13 until the side groove 17 corresponds to the plug 15, at this time, the spring 14 drives the right end of the plug 15 to rebound into the side groove 17, and the left end of the plug 15 is retracted, then the adjusting sleeve 3 is inserted into the supporting sleeve 2 until the bottom end of the adjusting sleeve 3 abuts against the inner lower end face of the supporting sleeve 2, and the adjusting sleeve 3 is rotated until the insertion groove 16 corresponds to the plug 15, at this time, the spring 13 in the compressed state lifts the pressing rod 6, and the left end of the plug 15 is pushed into the insertion groove 16 and locked after the side groove 17 is lifted; when the adjusting sleeve 3 is fixed, and the height of the sensor body 4 needs to be adjusted, the adjusting rod 8 is lifted or pulled down until the limiting rod 9 at one end of the adjusting rod 8 is in the same horizontal line with the limiting groove 10 at the corresponding position, then the adjusting rod 8 is rotated, the adjusting rod 8 drives the sensor body 4 to rotate synchronously until the limiting rod 9 is horizontally moved into the limiting groove 10 at one side and fixed.

[0029] It should be noted that the model of the sensor body 4 is Mettler dissolved oxygen sensor InPro6860i / 12 / 120 / mAEx.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A dissolved oxygen sensor capable of being adjusted in height, characterized by: The utility model provides a sensor height adjusting device, including Flange (1), support sleeve (2) is fixedly installed in the middle part of flange (1), adjusting sleeve (3) is movably arranged in the inside of support sleeve (2), sensor body (4) is arranged below the inside of adjusting sleeve (3), height adjusting mechanism is arranged between sensor body (4) and adjusting sleeve (3); Pressing ring (5) is movably arranged at the upper end of support sleeve (2) and outside adjusting sleeve (3), pressing rod (6) is arranged at both sides bottom end of pressing ring (5), dismounting mechanism is arranged between pressing rod (6) and adjusting sleeve (3).

2. The adjustable height dissolved oxygen sensor of claim 1, wherein: The height adjusting mechanism includes lifting groove (7), lifting groove (7) is vertically arranged at the side of adjusting sleeve (3), adjusting rod (8) is fixedly installed at the top end of sensor body (4), limiting rod (9) is arranged at the upper end outer wall of sensor body (4) and inside lifting groove (7), a plurality of limiting grooves (10) are arranged at the same side of lifting groove (7) at equal distance, spring one (11) is arranged between adjusting sleeve (3) and sensor body (4) and outside adjusting rod (8).

3. The adjustable height dissolved oxygen sensor of claim 1, wherein: The lower end surface of adjusting sleeve (3) is in abutment with the inside lower end surface of support sleeve (2).

4. The adjustable height dissolved oxygen sensor of claim 1, wherein: The dismounting mechanism includes sliding groove (12), sliding groove (12) matched with pressing rod (6) is arranged at both sides of support sleeve (2), spring two (13) is arranged between the bottom end of sliding groove (12) and pressing rod (6).

5. The adjustable height dissolved oxygen sensor of claim 1, wherein: The dismounting mechanism further includes spring three (14), spring three (14) is horizontally arranged at the middle inner wall of support sleeve (2), plug (15) is arranged at the inside of spring three (14), plug groove (16) matched with plug (15) is arranged at the side of adjusting sleeve (3) close to plug (15), edge groove (17) is arranged at the side of pressing rod (6) close to plug (15).

6. The adjustable height dissolved oxygen sensor of claim 5, wherein: The lower side of edge groove (17) is inclined downward.

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