Dissolved oxygen electrode sheath with filter screen

Abstract

The utility model relates to the field of dissolved oxygen electrodes, and discloses a dissolved oxygen electrode sheath with a filter screen, which comprises a sheath main body, a dissolved oxygen electrode main body is arranged in the sheath main body, the bottom of the surface of the sheath main body is in threaded connection with a thread sleeve, the bottom of the thread sleeve is fixedly connected with a screen cylinder, and the screen cylinder is fixedly connected with a filter screen. The bottom of the net cylinder is fixedly connected with a bottom cover, the surface of the protective sleeve body is sleeved with a welding base, the surface of the protective sleeve body is sleeved with a locking nut, and the locking nut is in threaded connection with the surface of the welding base. According to the utility model, the locking nut is in threaded connection with the surface of the welding seat to fix the position of the sheath main body, then the dissolved oxygen concentration in the equipment is detected by the dissolved oxygen electrode main body, and finally the detection end of the dissolved oxygen electrode main body is protected by the threaded sleeve and the net cylinder, so that the effect of facilitating protection is achieved; and particles in the centrifugal machine are not easy to adhere to the surface of the measuring electrode, so that the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dissolved oxygen electrode, especially a dissolved oxygen electrode sheath with filter screen. BACKGROUND

[0002] Dissolved oxygen electrode is the electrode for measuring the dissolved oxygen concentration in water, which is composed of an anode and a cathode, the anode is usually made of silver or platinum, and the cathode is made of platinum or graphite, and the electrode is mainly used for monitoring and controlling the dissolved oxygen content in water.

[0003] In the fields of chemistry, pharmacy, water treatment and environmental protection, the existing dissolved oxygen electrode sheath does not have a filter screen, and the dissolved oxygen electrode detection end is exposed outside the electrode sheath, which has no problem in the process of using liquid materials with little fluctuation, but when the centrifugal method is used to treat materials in the pharmaceutical industry, the dissolved oxygen electrode is installed at the top of the liquid material and does not contact the liquid surface, and the particles in the centrifugal machine will quickly stick to the surface of the measuring electrode, resulting in inaccurate detection, and the centrifugal machine cannot be opened to clean the dissolved oxygen electrode during the working process of the centrifugal machine, and the inaccurate oxygen content detection may cause certain explosion and deflagration risk.

[0004] Therefore, a dissolved oxygen electrode sheath with a filter screen is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a dissolved oxygen electrode sheath with a filter screen, which aims to improve the problem that the existing dissolved oxygen electrode cannot be effectively protected.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A dissolved oxygen electrode sheath with a filter screen, comprising a sheath main body, the inside of the sheath main body is provided with a dissolved oxygen electrode main body, the bottom of the surface of the sheath main body is screw connected with a screw sleeve, the bottom of the screw sleeve is fixedly connected with a net cylinder, the bottom of the net cylinder is fixedly connected with a bottom cover, the surface of the sheath main body is sleeved with a welding seat, the surface of the sheath main body is sleeved with a locking nut, the locking nut is screw connected on the surface of the welding seat, the sheath main body is provided with a protection assembly, and the right side of the sheath main body is provided with a sealing assembly.

[0008] As a further description of the above technical scheme:

[0009] The protection assembly comprises an anti-static sheath, the anti-static sheath is sleeved on the top of the surface of the sheath main body, and the top of the surface of the sheath main body is screw connected with the inner wall of the anti-static sheath.

[0010] As a further description of the above technical scheme:

[0011] The top of the anti-static sheath is fixedly connected with a bend-resistant cable joint;

[0012] As a further description of the above technical solution:

[0013] The surface of the locking nut is provided with a triangular groove;

[0014] As a further description of the above technical solution:

[0015] The sealing assembly comprises a plug, which is arranged on the right side of the sheath body, and a sealing ring, which is arranged on the surface of the plug;

[0016] As a further description of the above technical solution:

[0017] The top of the plug is fixedly connected with a pull ring.

[0018] The utility model has the advantages of:

[0019] 1、In the utility model, the sheath body is fixed in position by the locking nut threaded on the surface of the welding seat, the dissolved oxygen concentration inside the equipment is detected by the dissolved oxygen electrode body, and finally the detection end of the dissolved oxygen electrode body is protected by the screw sleeve and the mesh tube, so that the effect of convenient protection is achieved, the particles in the centrifugal machine are not easy to adhere to the surface of the measuring electrode, the detection accuracy is improved, and the explosion and deflagration risk is reduced.

[0020] 2、In the utility model, the plug and the sealing ring are used in cooperation, so that the inside of the welding seat can be sealed when the dissolved oxygen electrode body and the equipment are replaced and overhauled, and the plug can be fixed by the locking nut to prevent foreign matters from entering the inside of the equipment. DRAWINGS

[0021] Fig. 1 A perspective view of the dissolved oxygen electrode sheath with a filter screen is provided for the utility model;

[0022] Fig. 2 A structure schematic view of the screw sleeve of the dissolved oxygen electrode sheath with a filter screen is provided for the utility model;

[0023] Fig. 3 A structure schematic view of the welding seat of the dissolved oxygen electrode sheath with a filter screen is provided for the utility model.

[0024] LEGEND:

[0025] 1, sheath body; 2, dissolved oxygen electrode body; 3, screw sleeve; 4, mesh tube; 5, bottom cover; 6, welding seat; 7, locking nut; 8, anti-static sheath; 9, bend-resistant cable joint; 10, triangular groove; 11, plug; 12, sealing ring; 13, pull ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] With reference to Figs. 1-3 , the utility model provides an embodiment: a kind of dissolved oxygen electrode sheath with filter screen, including sheath main body 1, the inside of sheath main body 1 is provided with dissolved oxygen electrode main body 2, the bottom of the surface of sheath main body 1 is connected with screw sleeve 3 by screwing, the bottom of screw sleeve 3 is fixedly connected with mesh tube 4, the bottom of mesh tube 4 is fixedly connected with bottom cover 5, the surface of sheath main body 1 is equipped with welding seat 6, the surface of sheath main body 1 is equipped with lock nut 7, the surface of lock nut 7 is equipped with triangular groove 10, by setting triangular groove 10, it can increase the friction between the hand of user and lock nut 7, it is convenient for user to rotate lock nut 7;Lock nut 7 is connected on the surface of welding seat 6 by screwing.

[0028] With reference to Figs. 1-3 , the setting of sheath main body 1 has protection assembly, and the protection assembly includes anti-static sheath 8, the top of the surface of sheath main body 1 is equipped with anti-static sheath 8, the top of the surface of sheath main body 1 is connected with the inner wall of anti-static sheath 8 by screwing, by setting anti-static sheath 8, the junction of dissolved oxygen electrode main body 2 and wire can be protected, and meanwhile, dissolved oxygen electrode main body 2 can be fixed, so that the stability of dissolved oxygen electrode main body 2 is improved, and the top of anti-static sheath 8 is fixedly connected with anti-bending cable connector 9, by setting anti-bending cable connector 9, the wire connected with dissolved oxygen electrode main body 2 can be protected, to prevent the wire from being broken.

[0029] With reference to Figs. 2-3 , the right side of sheath main body 1 is provided with sealing assembly, and the sealing assembly includes plug 11, the plug 11 is arranged on the right side of sheath main body 1, the surface of plug 11 is equipped with sealing ring 12, by setting plug 11 and sealing ring 12, the inside of welding seat 6 can be sealed when replacing dissolved oxygen electrode main body 2 and equipment maintenance, and plug 11 can be fixed by lock nut 7, to prevent foreign matter from entering the inside of equipment;The top of plug 11 is fixedly connected with pull ring 13, by setting pull ring 13, it is convenient for user to pull plug 11, to avoid the phenomenon that user cannot quickly take out plug 11.

[0030] Working principle: the user first threadedly connects the screw sleeve 3 at the bottom of the dissolved oxygen electrode body 2, then welds the welding seat 6 on the surface of the equipment, and then places the surface of the locking nut 7 and the sheath body 1 in the welding seat 6, threadedly connects the locking nut 7 on the surface of the welding seat 6 to fix the position of the sheath body 1, and the dissolved oxygen electrode body 2 detects the dissolved oxygen concentration in the equipment. The screw sleeve 3 and the mesh tube 4 can protect the detection end of the dissolved oxygen electrode body 2, prevent materials from adhering to the detection end of the dissolved oxygen electrode body 2, and achieve the effect of convenient protection.

[0031] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A dissolved oxygen electrode with filter screen, comprising a sheath body (1), characterized in that: The inside of the sheath body (1) is provided with a dissolved oxygen electrode body (2), the bottom surface of the sheath body (1) is threadedly connected with a screw sleeve (3), the bottom of the screw sleeve (3) is fixedly connected with a mesh tube (4), the bottom of the mesh tube (4) is fixedly connected with a bottom cover (5), the surface of the sheath body (1) is sleeved with a welding seat (6), the surface of the sheath body (1) is sleeved with a locking nut (7), the locking nut (7) is threadedly connected on the surface of the welding seat (6), the sheath body (1) is provided with a protection assembly, and the right side of the sheath body (1) is provided with a sealing assembly.

2. A dissolved oxygen electrode sheath with filter according to claim 1, characterized in that: The protection assembly comprises an anti-static sheath (8), which is sleeved on the top surface of the sheath body (1), and the top surface of the sheath body (1) is threadedly connected with the inner wall of the anti-static sheath (8).

3. A dissolved oxygen electrode sheath with filter according to claim 2, characterized in that: The top of the anti-static sheath (8) is fixedly connected with a bend-resistant cable joint (9).

4. The dissolved oxygen electrode with filter screen according to claim 1, wherein: The surface of the locking nut (7) is provided with a triangular groove (10).

5. The dissolved oxygen electrode with filter screen according to claim 1, wherein: The sealing assembly comprises a plug (11), which is arranged on the right side of the sheath body (1), and the surface of the plug (11) is sleeved with a sealing ring (12).

6. A dissolved oxygen electrode sheath with filter according to claim 5, characterized in that: The top of the plug (11) is fixedly connected with a pull ring (13).

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