Direct current motor power rotation driving voltage stabilizer

Abstract

The utility model discloses a direct current motor power rotation driving voltage stabilizer in the technical field of motor voltage stabilization, which comprises a motor, a junction box, a first electrode and a second electrode, a cover plate is arranged at the top of the junction box, a rubber pad is arranged at the bottom of the cover plate, first through holes are arranged in the middle of the cover plate and the middle of the rubber pad, and the first through holes are communicated with the first through holes. Trapezoidal grooves are formed in the top surfaces of the first electrode and the second electrode, pressing plates are arranged on the upper portions of the first electrode and the second electrode, second through holes are formed in the middles of the pressing plates, trapezoidal pressing blocks are arranged at the bottoms of the pressing plates, and mounting holes are formed in the two ends of each pressing plate; threaded holes are formed in the two ends of the top surfaces of the first electrode and the second electrode, bolts are arranged in the mounting holes and the threaded holes, the trapezoidal pressing plate is matched with the trapezoidal groove, the contact area of the wire and the second electrode is increased, and therefore the voltage of the motor is stabilized.

Description

Technical Field

[0001] The utility model relates to the technical field of motor voltage stabilization, in particular to a DC motor power rotation drive voltage stabilization device. Background Art

[0002] During the operation of the rotary drive, the DC motor used in the rotary drive needs to ensure stable voltage and constant speed. For example, in a power supply voltage stabilization device disclosed in Chinese literature (CN201820198491.9), the rear hole is covered with a breathable membrane, and the front and rear holes are at least partially offset in the front-to-back direction to prevent the breathable membrane from falling off, thereby stabilizing the voltage of the motor. Even if the breathable membrane is not subjected to external force, it is easy to fall off after long-term use. In addition, the above device does not solve the voltage stabilization problem at the root of the motor connection to the power supply.

[0003] To this end, we propose a DC motor power rotation drive voltage stabilization device Utility Model Content

[0004] The purpose of the present utility model is to provide a DC motor power rotation drive voltage stabilizing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A DC motor power rotation drive voltage stabilizing device, comprising a motor, a junction box, a first electrode and a second electrode, a cover plate provided on the top of the junction box, a rubber pad provided on the bottom of the cover plate, a first through hole provided in the middle of the cover plate and the rubber pad, a trapezoidal groove provided on the top surface of the first electrode and the second electrode, a pressure plate provided on the upper part of the first electrode and the second electrode, a second through hole provided in the middle of the pressure plate, a trapezoidal pressure block provided on the bottom of the pressure plate, mounting holes provided at both ends of the pressure plate, threaded holes provided at both ends of the top surface of the first electrode and the second electrode, and bolts provided in the mounting holes and the threaded holes.

[0006] Furthermore, both ends of the top of the junction box are provided with mounting grooves, one side of the mounting groove is provided with a positioning hole, an inner wall of one side of the mounting groove is provided with a clamping block, and the bottom of the cover plate is provided with a spring piece.

[0007] Furthermore, the positioning hole extends toward the outside of the junction box.

[0008] Furthermore, the trapezoidal pressing block is matched with the trapezoidal groove, and both ends of the bottom of the trapezoidal pressing block are left-rounded.

[0009] Furthermore, the upper left corner of the card block is rounded, the lower part of the spring piece extends to the right, and the bottom of the spring piece is set to be an inclined surface.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the top of the second electrode of the wire is placed flat, the pressure plate is placed on the top of the second electrode, and the pressure plate is pressed downward, the trapezoidal pressure block provided at the bottom of the pressure plate cooperates with the trapezoidal groove provided on the second electrode to press and fix the wire, the bolt passes through the mounting hole and is connected to the threaded hole, the bolt is tightened, the pressure plate fixes the wire, the trapezoidal pressure plate and the trapezoidal groove cooperate to increase the contact area between the wire and the second electrode, thereby stabilizing the voltage of the motor, and at the same time, the trapezoidal pressure plate and the trapezoidal groove increase the contact area between the wire and the second electrode and the trapezoidal pressure block, and the wire is well fixed so that the contact between the wire and the second electrode will not loosen, further stabilizing the voltage of the motor and ensuring normal operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the junction box of the utility model;

[0013] Figure 3 This is an enlarged view of point A of the utility model;

[0014] Figure 4 It is an enlarged view of point B of the present utility model.

[0015] In the figure: 1. Motor; 2. Junction box; 3. Cover; 4. Rubber pad; 5. First through hole; 6. First electrode; 7. Second electrode; 8. Trapezoidal groove; 9. Pressing plate; 10. Second through hole; 11. Trapezoidal pressing block; 12. Mounting hole; 13. Threaded hole; 14. Bolt; 15. Mounting groove; 16. Positioning hole; 17. Block; 18. Shrapnel. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-4The utility model provides a technical solution: a DC motor power rotation drive voltage stabilizing device, including a motor 1, a junction box 2, a first electrode 6 and a second electrode 7, a cover plate 3 is provided on the top of the junction box 2, a rubber pad 4 is provided on the bottom of the cover plate 3, a first through hole 5 is provided in the middle of the cover plate 3 and the rubber pad 4, the top surface of the first electrode 6 and the second electrode 7 is provided with a trapezoidal groove 8, the upper part of the first electrode 6 and the second electrode 7 is provided with a pressing plate 9, a second through hole 10 is provided in the middle of the pressing plate 9, a trapezoidal pressing block 11 is provided at the bottom of the pressing plate 9, mounting holes 12 are provided at both ends of the pressing plate 9, threaded holes 13 are provided at both ends of the top surface of the first electrode 6 and the second electrode 7, bolts 14 are provided in the mounting holes 12 and the threaded holes 13, the motor 1 is wired, the guide is passed through the first through hole 5, one of the wires is connected to the second electrode 7, the wire passes through the second through hole 10, the wire is divided into two strands, one strand goes to the second electrode 7, and the other strand goes to the first electrode 7. The second electrode 7 extends flat on the right side, and the other extends flat to the left side of the second electrode 7. The pressure plate 9 is placed on the top of the second electrode 7 and presses the pressure plate 9 downward. The trapezoidal pressure block 11 provided at the bottom of the pressure plate 9 cooperates with the trapezoidal groove 8 provided on the second electrode 7 to clamp and fix the wire. The bolt 14 passes through the mounting hole 12 and is connected to the threaded hole 13. After tightening the bolt 14, the pressure plate 9 fixes the wire. The trapezoidal pressure plate 11 and the trapezoidal groove 8 cooperate to increase the contact area between the wire and the second electrode 7, thereby stabilizing the voltage of the motor. At the same time, the trapezoidal pressure plate 11 and the trapezoidal groove 8 increase the contact area between the wire and the second electrode 7 and the trapezoidal pressure block 11, and fix the wire well so that the contact between the wire and the second electrode 7 will not loosen, further stabilizing the voltage of the motor 1, ensuring the operation of the motor, and improving the service life of the motor 1. The other wire is connected to the first electrode 6 in the same way as above.

[0018] Reference embodiment: Both ends of the top of the junction box 2 are provided with mounting grooves 15, one side of the mounting groove 15 is provided with a positioning hole 16, and the inner wall of one side of the mounting groove 15 is provided with a clamping block 17. The bottom of the cover plate 3 is provided with a spring piece 18, and the positioning hole 16 extends to the outside of the junction box 2. After the wire connection and fixation are completed, the cover plate 3 is installed on the top of the junction box 2, and the spring piece 8 provided at the bottom of the junction box 3 moves downward and contacts the clamping block 17. The spring piece 8 is deformed to the left. When the lower part of the spring piece 8 moves to the bottom of the clamping block 17, the spring piece 8 is reset and clamps the clamping block 14, completing the fixation of the cover plate 3. At the same time, the rubber pad 4 provided at the bottom of the cover plate 3 presses the bolt 14, effectively preventing the bolt 14 from loosening;

[0019] Reference embodiment: The trapezoidal pressing block 11 cooperates with the trapezoidal groove 8, and both ends of the bottom of the trapezoidal pressing block 11 are left-rounded. The trapezoidal pressing block 11 cooperates with the trapezoidal groove 8, and when the wire is pressed, the trapezoidal pressing block 11 will not cause damage to the wire;

[0020] Reference embodiment: the upper left corner of the block 17 is rounded to the left, the lower part of the spring piece 18 extends to the right, and the bottom of the spring piece 18 is set to an inclined surface. When the spring piece 18 moves downward, the spring piece 18 is blocked by the block 17. The spring piece 18 cooperates with the block 17 through the inclined surface, and the lower part of the spring piece 18 is bent to the left. After the cover plate 3 is installed, the lower extending part of the spring piece 8 is clamped in the block 17 to fix the cover plate 3.

[0021] Reference embodiment: To disassemble the wire, use a steel chisel or a screwdriver to pass through the positioning hole 16, push the spring 18, so that the lower extension of the spring 18 is separated from the block 17, move the cover 3 upward, disassemble the cover 3, and thus disassemble the wire.

[0022] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A DC motor power rotation drive voltage stabilizing device, comprising a motor (1), a junction box (2), a first electrode (6) and a second electrode (7), characterized in that: The junction box (2) is provided with a cover plate (3) on the top, a rubber pad (4) is provided on the bottom of the cover plate (3), a first through hole (5) is provided in the middle of the cover plate (3) and the rubber pad (4), a trapezoidal groove (8) is provided on the top surface of the first electrode (6) and the second electrode (7), a pressing plate (9) is provided on the top of the first electrode (6) and the second electrode (7), a second through hole (10) is provided in the middle of the pressing plate (9), a trapezoidal pressing block (11) is provided on the bottom of the pressing plate (9), mounting holes (12) are provided at both ends of the pressing plate (9), threaded holes (13) are provided at both ends of the top surface of the first electrode (6) and the second electrode (7), and bolts (14) are provided in the mounting holes (12) and the threaded holes (13).

2. A DC motor power rotary drive voltage stabilizing device according to claim 1, characterized in that: Both ends of the top of the junction box (2) are provided with mounting grooves (15), one side of the mounting groove (15) is provided with a positioning hole (16), an inner wall of one side of the mounting groove (15) is provided with a clamping block (17), and the bottom of the cover plate (3) is provided with a spring piece (18).

3. A DC motor power rotary drive voltage stabilizing device according to claim 2, characterized in that: The positioning hole (16) extends toward the outside of the junction box (2).

4. A DC motor power rotary drive voltage stabilizing device according to claim 1, characterized in that: The trapezoidal pressing block (11) is matched with the trapezoidal groove (8), and both ends of the bottom of the trapezoidal pressing block (11) are left-rounded.

5. A DC motor power rotary drive voltage stabilizing device according to claim 2, characterized in that: The upper left corner of the block (17) is rounded to the left, the lower part of the spring (18) extends to the right, and the bottom of the spring (18) is set as an inclined surface.

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