Cathode protection potential regulator

Abstract

The utility model discloses a cathode protection potential regulator and relates to the technical field of potentiometers, in particular to a cathode protection potential regulator which comprises a base and an upper shell, an installation groove is formed in the lower end of the base, a fixing frame is arranged on the inner bottom wall of the installation groove, a first through hole is formed in the fixing frame, and a second through hole is formed in the upper shell. A limiting bearing is arranged in the first through hole, a connecting shaft rod is arranged in the limiting bearing, a coil spring is arranged on the outer surface of the connecting shaft rod, the end, away from the connecting shaft rod, of the coil spring is arranged on the inner wall of the fixing frame, an adjusting sliding groove is formed in the base, and a connecting sliding plate is slidably connected into the adjusting sliding groove. According to the cathode protection potential regulator, the base, the upper shell, the connecting shaft rod, the coil spring, the connecting sliding plate, the first spring, the limiting clamping block, the traction rope, the control rope, the pull ring and the connecting table are arranged in a matched mode, so that the cathode protection potential regulator has the effect that the potential regulator can be conveniently and rapidly mounted and dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field of potentiometers, in particular to a cathode protection potential regulator. Background Art

[0002] A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain law of change. A potentiometer is usually composed of a resistor body and a movable brush. When the brush moves along the resistor body, a resistance value or voltage that is in a certain relationship with the displacement is obtained at the output end. A potentiometer can be used as a three-terminal element or a two-terminal element. The latter can be regarded as a variable resistor. Since its function in the circuit is to obtain an output voltage that is in a certain relationship with the input voltage (applied voltage), it is called a potentiometer.

[0003] Most of the potentiometers currently available on the market have complex structures, cumbersome assembly, and low assembly efficiency. For this reason, we have proposed an easy-to-assemble rotary potentiometer. The traditional potentiometer used for angle measurement has a continuously changing internal resistance. When used in a master controller, it is easy for the operator to accidentally touch the handle or the vibration of the lifting equipment on which the master controller is installed to cause a small displacement of the brush, resulting in erroneous signal output, affecting the reliability and safety of the master controller. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a cathode protection potential regulator, which solves the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a cathodic protection potential regulator, comprising a base and an upper shell, a mounting groove is provided at the lower end of the base, a fixing frame is provided at the inner bottom wall of the mounting groove, a first through hole is provided inside the fixing frame, a limit bearing is provided inside the first through hole, a connecting shaft rod is provided inside the limit bearing, a coil spring is provided on the outer surface of the connecting shaft rod, an end of the coil spring away from the connecting shaft rod is arranged on the inner wall of the fixing frame, an adjusting groove is provided inside the base, a connecting slide plate is slidably connected inside the adjusting groove, a limit block is provided at the upper end of the connecting slide plate, a limit slide rod is slidably connected inside the connecting slide plate, one end of the limit slide rod is arranged on the inner wall of the mounting groove, a support plate is provided at the other end of the connecting slide rod, one side of the support plate is arranged on the inner wall of the mounting groove, a first spring is provided on the outer surface of the support plate, an end of the first spring away from the support plate is arranged on the outer surface of the connecting slide plate, a traction rope is provided on the outer surface of the connecting slide plate, and an end of the traction rope away from the connecting slide plate is arranged on the connecting shaft rod.

[0006] Optionally, a control rope is wound around the outer surface of the connecting shaft, a pull ring is provided at one end of the control rope, a second through hole is opened inside the base, and the control rope is inserted into the inside of the second through hole.

[0007] Optionally, there are several connecting slide plates and limiting blocks, which are evenly distributed inside the base.

[0008] Optionally, a connecting platform is provided at the lower end of the upper shell, and the position of the connecting platform is adapted to the position of the limiting block.

[0009] Optionally, a connecting through hole is opened in the middle of the upper shell, and a connecting seat is rotatably connected inside the connecting through hole. A connecting column is arranged at the upper end of the connecting seat, and a limiting strip is arranged on the outer surface of the connecting column. An adjusting ring is sleeved on the outer surface of the connecting column, and a second spring is arranged on the outer surface of the adjusting ring. One end of the second spring is arranged on the upper surface of the connecting seat, and a plug-in board is arranged at the lower end of the connecting seat.

[0010] Optionally, the upper end of the connecting column abuts against a limiting frame, the limiting frame is arranged on the upper surface of the upper shell, the inner wall of the limiting frame is provided with a first crown gear, the upper surface of the adjusting ring is provided with a second crown gear, and the positions of the first crown gear and the second crown gear correspond to each other.

[0011] Optionally, a conductive column is provided inside the base, a first conductive terminal is provided on the outer surface of the conductive column, a conductive shaft is rotatably connected inside the conductive column, a brush is provided on the outer surface of the conductive shaft, a resistance ring is provided inside the base, the brush is slidably connected to the outer surface of the resistance ring, a second conductive terminal is provided at one end of the resistance ring, a second conductive terminal is provided at the other end of the resistance ring, a plug-in slot is provided inside the conductive shaft, and the position of the plug-in board matches the position of the plug-in slot.

[0012] Optionally, a negative electrode rod is provided below the resistance coil, a connecting wire is provided at one end of the negative electrode rod, and a positive electrode access terminal is provided at one end of the connecting wire. Beneficial Effects

[0013] The utility model provides a cathodic protection potential regulator, which has the following beneficial effects:

[0014] 1. The cathodic protection potential regulator has the effect of facilitating quick installation and disassembly of the potential regulator through the coordinated arrangement of the base, the upper shell, the connecting shaft rod, the coil spring, the connecting slide plate, the first spring, the limit block, the traction rope, the control rope, the pull ring and the connecting platform.

[0015] 2. The cathode protection potential regulator has the effect of improving the stability of the potential regulator shaft through the coordinated arrangement of the connecting column, the limit bar, the adjusting ring, the second spring, the limit frame, the first crown gear and the second crown gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 3 This is a schematic diagram of the internal structure of the base of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the utility model from the front;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the utility model.

[0021] In the figure: 1. base; 2. upper shell; 3. fixing frame; 4. connecting shaft; 5. coil spring; 6. connecting slide plate; 7. limit block; 8. first spring; 9. traction rope; 10. control rope; 11. pull ring; 12. connecting platform; 13. connecting column; 14. second spring; 15. adjustment ring; 16. plug-in board; 17. limit frame; 18. first crown gear; 19. conductive column; 20. first conductive terminal; 21. brush; 22. conductive rotating shaft; 23. resistance coil; 24. second conductive terminal; 25. third conductive terminal; 26. negative electrode rod; 27. positive electrode access terminal. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0023] A cathode protection potential regulator comprises a base 1 and an upper shell 2, wherein a mounting groove is provided at the lower end of the base 1, a fixing frame 3 is provided at the inner bottom wall of the mounting groove, a first through hole is provided inside the fixing frame 3, a limit bearing is provided inside the first through hole, a connecting shaft 4 is provided inside the limit bearing, a coil spring 5 is provided on the outer surface of the connecting shaft 4, an end of the coil spring 5 away from the connecting shaft 4 is provided on the inner wall of the fixing frame 3, an adjusting slide groove is provided inside the base 1, a connecting slide 6 is slidably connected inside the adjusting slide groove, a limit block 7 is provided at the upper end of the connecting slide 6, the connecting slide 6 is slidably connected inside the limiting slide rod, one end of the limiting slide rod is provided on the inner wall of the mounting groove, and a support is provided at the other end of the connecting slide rod. A support plate, one side of the support plate is arranged on the inner wall of the mounting groove, a first spring 8 is arranged on the outer surface of the support plate, an end of the first spring 8 away from the support plate is arranged on the outer surface of the connecting slide 6, a traction rope 9 is arranged on the outer surface of the connecting slide 6, an end of the traction rope 9 away from the connecting slide 6 is arranged on the connecting shaft 4, a control rope 10 is wound around the outer surface of the connecting shaft 4, a pull ring 11 is arranged at one end of the control rope 10, a second through hole is opened inside the base 1, the control rope 10 is inserted into the inside of the second through hole, the number of connecting slides 6 and limit blocks 7 is several, evenly distributed inside the base 1, a connecting platform 12 is arranged at the lower end of the upper shell 2, and the position of the connecting platform 12 is adapted to the position of the limit block 7.

[0024] In order to make the cathodic protection potential regulator convenient for quick installation and removal, Figure 1 , 3 As shown, the present application adopts the following structure, through the coordination arrangement of the base 1, the upper shell 2, the connecting shaft 4, the coil spring 5, the connecting slide plate 6, the first spring 8, the limiting block 7, the traction rope 9, the control rope 10, the pull ring 11 and the connecting platform 12, during use, the plug-in board 16 is aligned with the plug-in slot on the guide shaft (the plug-in board 16 is made of insulating material), the upper shell 2 is pressed down, so that the connecting platform 12 of the upper shell 2 squeezes the limiting block 7, thereby making the connecting slide plate 6 slide and squeeze the first spring 8. As the upper shell 2 continues to be pressed down, when the limiting block 7 is separated from the connecting platform 12, When in contact, under the elastic force of the first spring 8, the limit block 7 is clamped onto the outer surface of the connecting platform 12, thereby completing the rapid fixed installation of the upper shell 2 and the base 1. When disassembling, the pull ring 11 is pulled to drive the control rope 10, and the connecting shaft rod 4 is driven to rotate, so that the coil spring 5 is stressed, and the traction rope 9 is wound around the connecting shaft rod 4, thereby pulling the connecting slide plate 6, so that the limit block 7 is out of contact with the connecting platform 12, and then the upper shell 2 and the base 1 are quickly separated, so that the cathodic protection potential regulator has the effect of facilitating the rapid installation and disassembly of the potential regulator;

[0025] A cathode protection potential regulator, wherein a connecting through hole is provided in the middle of an upper shell 2, a connecting seat is rotatably connected inside the connecting through hole, a connecting column 13 is provided at the upper end of the connecting seat, a limiting strip is provided on the outer surface of the connecting column 13, an adjusting ring 15 is sleeved on the outer surface of the connecting column 13, a second spring 14 is provided on the outer surface of the adjusting ring 15, one end of the second spring 14 is provided on the upper surface of the connecting seat, a plug-in board 16 is provided at the lower end of the connecting seat, the upper end of the connecting column 13 abuts against a limiting frame 17, the limiting frame 17 is provided on the upper surface of the upper shell 2, a first crown gear 18 is provided on the inner wall of the limiting frame 17, a second crown gear is provided on the upper surface of the adjusting ring 15, and the positions of the first crown gear 18 and the second crown gear correspond to each other. A conductive column 19 is provided inside the base 1, and a first conductive terminal 20 is provided on the outer surface of the conductive column 19. A conductive shaft 22 is rotatably connected inside the conductive column 19, and a brush 21 is provided on the outer surface of the conductive shaft 22. A resistor coil 23 is provided inside the base 1, and the brush 21 is slidably connected to the outer surface of the resistor coil 23. A second conductive terminal 24 is provided at one end of the resistor coil 23, and a second conductive terminal 24 is provided at the other end of the resistor coil 23. A plug-in slot is provided inside the conductive shaft 22, and the position of the plug-in board 16 is matched with the position of the plug-in slot. A negative electrode rod 26 is provided below the resistor coil 23, and a connecting wire is provided at one end of the negative electrode rod 26, and a positive electrode access terminal 27 is provided at one end of the connecting wire.

[0026] In order to achieve the effect of improving the stability of the potential regulator shaft, the cathode protection potential regulator is Figure 2 , 4 -5, the present application adopts the following structure, through the matching arrangement of the connecting column 13, the limit bar, the adjusting ring 15, the second spring 14, the limit frame 17, the first crown gear 18, and the second crown gear, during use, the external wire is connected to the first conductive terminal 20, the second conductive terminal 24 (or the third conductive terminal 25). When the potential needs to be adjusted, the adjusting ring 15 is pressed down to squeeze the second spring 14, so that the first crown gear 18 and the second crown gear are out of contact, and then the adjusting ring 15 is rotated. Under the action of the limit bar, the connecting column 13 and the plug board 16 are driven to rotate, and then the conductive shaft 22 and the brush 21 are driven to rotate. The adjusting ring 15 is moved to adjust the resistance value of the access circuit of the resistor coil 23 to complete the potential adjustment. After the adjustment is completed, the adjusting ring 15 is loosened. Under the elastic force of the second spring 14, the adjusting ring 15 slides up, and the first crown gear 18 and the second crown gear are re-contacted to limit the position, thereby avoiding the phenomenon of the conductive shaft 22 being accidentally touched and rotated, thereby achieving the effect of improving the stability of the potential regulator shaft. During use, the external positive electrode connection end is connected to the positive electrode access end 27. Under the action of the negative electrode rod 26, the use loss of the resistor coil 23 is greatly reduced, and the purpose of cathode protection is achieved.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cathodic protection potential regulator, comprising a base and an upper shell, characterized in that: The lower end of the base is provided with an installation groove, the inner bottom wall of the installation groove is provided with a fixing frame, the interior of the fixing frame is provided with a first through hole, the interior of the first through hole is provided with a limited bearing, the interior of the limit bearing is provided with a connecting shaft rod, the outer surface of the connecting shaft rod is provided with a coil spring, and the end of the coil spring away from the connecting shaft rod is arranged on the inner wall of the fixing frame, the interior of the base is provided with an adjusting slide groove, the interior of the adjusting slide groove is slidably connected with a connecting slide plate, the upper end of the connecting slide plate is provided with a limited block, the interior of the connecting slide plate is slidably connected with a limited slide rod, one end of the limiting slide rod is arranged on the inner wall of the installation groove, the other end of the connecting slide rod is provided with a support plate, one side of the support plate is arranged on the inner wall of the installation groove, the outer surface of the support plate is provided with a first spring, the end of the first spring away from the support plate is arranged on the outer surface of the connecting slide plate, the outer surface of the connecting slide plate is provided with a traction rope, and the end of the traction rope away from the connecting slide plate is arranged on the connecting shaft rod.

2. A cathodic protection potential regulator according to claim 1, characterized in that: A control rope is wound around the outer surface of the connecting shaft, a pull ring is arranged at one end of the control rope, a second through hole is opened inside the base, and the control rope is inserted into the inside of the second through hole.

3. A cathodic protection potential regulator according to claim 1, characterized in that: The connecting slide plates and the limiting blocks are in a plurality and are evenly distributed inside the base.

4. A cathodic protection potential regulator according to claim 1, characterized in that: A connecting platform is arranged at the lower end of the upper shell, and the position of the connecting platform is matched with the position of the limiting block.

5. The cathodic protection potential regulator according to claim 1, characterized in that: A connecting through hole is opened in the middle of the upper shell, and a connecting seat is rotatably connected inside the connecting through hole. A connecting column is arranged at the upper end of the connecting seat, and a limiting strip is arranged on the outer surface of the connecting column. An adjusting ring is sleeved on the outer surface of the connecting column, and a second spring is arranged on the outer surface of the adjusting ring. One end of the second spring is arranged on the upper surface of the connecting seat, and a plug-in board is arranged at the lower end of the connecting seat.

6. A cathodic protection potential regulator according to claim 5, characterized in that: The upper end of the connecting column abuts against a limiting frame, which is arranged on the upper surface of the upper shell. The inner wall of the limiting frame is provided with a first crown gear, and the upper surface of the adjusting ring is provided with a second crown gear. The positions of the first crown gear and the second crown gear correspond to each other.

7. A cathodic protection potential regulator according to claim 1, characterized in that: A conductive column is arranged inside the base, a first conductive terminal is arranged on the outer surface of the conductive column, a conductive shaft is rotatably connected inside the conductive column, a brush is arranged on the outer surface of the conductive shaft, a resistance ring is arranged inside the base, the brush is slidably connected on the outer surface of the resistance ring, a second conductive terminal is arranged at one end of the resistance ring, a second conductive terminal is arranged at the other end of the resistance ring, a plug-in slot is arranged inside the conductive shaft, and the position of the plug-in board matches the position of the plug-in slot.

8. A cathodic protection potential regulator according to claim 7, characterized in that: A negative electrode rod is arranged below the resistance coil, a connecting wire is arranged at one end of the negative electrode rod, and a positive electrode access terminal is arranged at one end of the connecting wire.

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