Moistureproof and dustproof motor speed regulator

Abstract

The utility model relates to the technical field of motor assemblies, and discloses a moistureproof and dustproof motor speed regulator comprising a protection shell, the protection shell is a rectangular iron shell, the front end of the protection shell is open, the top of the outer side wall of the front end of the protection shell is fixedly provided with a hinge, the rotating end of the hinge is fixedly connected with a magnetic suction sealing cover, and the rear end of the magnetic suction sealing cover is magnetically attracted with the protection shell. A front end opening of a protective shell is sealed by the magnetic suction sealing cover, and a motor speed regulation instrument is fixedly installed in the protective shell. The protective shell is arranged on the outer side of the motor speed regulation instrument, the hinge is arranged above the front end of the protective shell, the magnetic suction sealing cover is rotatably mounted on the protective shell, and the embedding groove matched with the wiring port in the bottom of the motor speed regulation instrument is formed in the bottom of the protective shell, so that the whole protective shell can achieve a good dustproof effect on the internal motor speed regulation instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of motor components, in particular to a moisture-proof and dust-proof motor speed regulator. Background Art

[0002] The speed governor is an automatic regulating device that automatically increases or decreases the fuel supply of the fuel injection pump according to the changes in the diesel engine load, so that the diesel engine can run at a stable speed. The speed governor has been widely used in industrial DC motor speed regulation, industrial conveyor belt speed regulation, lighting regulation, computer power supply heat dissipation, DC fans, etc.

[0003] The existing motor speed regulators have the following problems when in use: most of them use an exposed control motherboard on which the relevant control components of the motor speed regulation are arranged. When in use, due to the exposed circuit structure design, they are easily contaminated with dust, which can easily lead to electrostatic short circuits, and are also easily damaged by moisture. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a moisture-proof and dust-proof motor speed regulator, which solves the problems raised by the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a moisture-proof and dust-proof motor speed regulator, comprising a protective shell, the protective shell being a rectangular iron shell with an opening at the front end, a hinge being fixedly installed at the top of the outer wall at the front end of the protective shell, a magnetic sealing cover being fixedly connected to the rotating end of the hinge, the protective shell being magnetically adsorbed on the rear end of the magnetic sealing cover, and the magnetic sealing cover closing the front end opening of the protective shell, a motor speed regulating instrument being fixedly installed in the protective shell, a wiring port being arranged at the bottom of the motor speed regulating instrument, an embedding groove being opened at the center of the inner bottom wall of the protective shell, and the wiring port being fixedly connected in the embedding groove.

[0008] As a further solution of the utility model: an L-shaped block is fixedly connected to each of the four corners of the inner wall of the protective shell, a motor speed regulating instrument is fixedly connected between the inner walls at one end of the four L-shaped blocks facing each other, a desiccant block is fixedly connected to each of the two ends of the inner bottom wall of the protective shell, and a group of air guide holes is opened in the middle of each of the two ends of the inner wall of the protective shell, and a group of air guide holes is multiple and is arranged equidistantly from top to bottom.

[0009] As a further solution of the utility model: a display screen is arranged above the front end of the motor speed regulating instrument, two control switches are arranged below one side of the front end of the motor speed regulating instrument, a speed regulating knob is arranged below the other side of the front end of the motor speed regulating instrument, a through groove is opened between the front and rear side walls of the upper end of the magnetic sealing cover, and an observation window is fixedly installed in the through groove, and a handle is fixedly connected to the lower end of the front side wall of the magnetic sealing cover.

[0010] As a further solution of the utility model: a rubber pad is fixedly connected to each of the four corners of the outer bottom wall of the protective shell, a threaded connection seat is fixedly connected to each of the four corners of the outer side wall at the rear end of the protective shell, and a handle is fixedly connected to the middle position of the outer top wall of the protective shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, a protective shell is arranged outside the motor speed regulating instrument, a hinge is arranged on the upper front end of the protective shell, a magnetic sealing cover is rotatably installed on the protective shell, and a fitting groove is arranged at the bottom of the protective shell to match the wiring port at the bottom of the motor speed regulating instrument. The overall protective shell can play a good dust-proof effect on the internal motor speed regulating instrument.

[0013] 2. In the utility model, the motor speed regulating instrument is suspended and installed in the protective shell through four L-shaped blocks. Two desiccant blocks are arranged on the bottom wall of the protective shell. At the same time, a group of air guide holes are respectively opened at both ends of the protective shell, which effectively plays a moisture-proof role for the motor speed regulating instrument inside the protective shell. The motor speed regulating instrument is not easily damaged by moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall three-dimensional Figure 1 ;

[0015] Figure 2 The overall three-dimensional Figure 2 ;

[0016] Figure 3 This is a three-dimensional diagram of the utility model with the cabinet door removed as a whole;

[0017] Figure 4 It is a three-dimensional diagram of the protective shell structure of the utility model.

[0018] In the figure: 1. Protective shell; 2. Hinge; 3. Magnetic sealing cover; 4. Observation window; 5. Handle; 6. Air guide hole; 7. Fitting groove; 8. Desiccant block; 9. L-shaped block; 10. Motor speed control instrument; 11. Wiring port; 12. Handle; 13. Threaded connection seat; 14. Rubber pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that the motor speed control instrument 10 is a prior art, and is a controller with a built-in motor speed control mainboard. It is common knowledge among people in the technical field and will not be elaborated here.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a moisture-proof and dust-proof motor speed regulator comprises a protective shell 1, which is a rectangular iron shell with an opening at the front end. A hinge 2 is fixedly installed on the top of the outer wall of the front end of the protective shell 1, and a magnetic sealing cover 3 is fixedly connected to the rotating end of the hinge 2. The protective shell 1 is magnetically adsorbed on the rear end of the magnetic sealing cover 3, and the magnetic sealing cover 3 closes the front end opening of the protective shell 1. A motor speed regulating instrument 10 is fixedly installed in the protective shell 1, and a wiring port 11 is arranged at the bottom of the motor speed regulating instrument 10. An embedding groove 7 is opened at the center of the inner bottom wall of the protective shell 1, and the wiring port 11 is fixedly connected in the embedding groove 7. A protective shell 1 is arranged on the outer side of the motor speed regulating instrument 10 as a whole, and a hinge 2 is arranged on the top of the front end of the protective shell 1, and a magnetic sealing cover 3 is rotatably installed on it. At the same time, an embedding groove 7 is opened at the bottom of the protective shell 1 to cooperate with the wiring port 11 at the bottom of the motor speed regulating instrument 10. The overall protective shell 1 can play a good dust-proof effect on the internal motor speed regulating instrument 10.

[0022] An L-shaped block 9 is fixedly connected to each of the four corners of the inner wall of the protective shell 1, and a motor speed regulating instrument 10 is fixedly connected between the inner walls at one end of the four L-shaped blocks 9 facing each other. A desiccant block 8 is fixedly connected to each of the two ends of the inner bottom wall of the protective shell 1. A group of air guide holes 6 is opened in the middle of each of the two ends of the inner wall of the protective shell 1. A group of air guide holes 6 is multiple and is arranged at equal distances from top to bottom. The motor speed regulating instrument 10 is suspended and installed in the protective shell 1 through the four L-shaped blocks 9. Two desiccant blocks 8 are arranged on the inner bottom wall of the protective shell 1. At the same time, a group of air guide holes 6 is opened at each of the two ends of the protective shell 1, which effectively plays a moisture-proof role for the motor speed regulating instrument 10 inside the protective shell 1, and the motor speed regulating instrument 10 is not easily damaged by moisture.

[0023] A display screen is arranged above the front end of the motor speed control instrument 10, two control switches are arranged below one side of the front end of the motor speed control instrument 10, and a speed control knob is arranged below the other side of the front end of the motor speed control instrument 10. The wiring port 11 at the bottom of the motor speed control instrument 10 is connected to the control port of the motor in cooperation with the connecting wire, and the motor speed can be adjusted by turning the speed control knob. A through groove is opened between the front and rear side walls of the upper end of the magnetic sealing cover 3, and an observation window 4 is fixedly installed in the through groove. A handle 5 is fixedly connected to the lower end of the front side wall of the magnetic sealing cover 3, and the handle 5 can be held to pull and rotate the magnetic sealing cover 3.

[0024] A rubber pad 14 is fixedly connected to each of the four corners of the outer bottom wall of the protective shell 1, which can be used for anti-slip placement of the overall motor speed regulator. A threaded connection seat 13 is fixedly connected to each of the four corners of the outer side wall at the rear end of the protective shell 1, which can be used in conjunction with bolts to fix the overall motor speed regulator on the corresponding workstation. A handle 12 is fixedly connected to the middle position of the outer top wall of the protective shell 1, which can be used to lift and move the overall motor speed regulator.

[0025] The working principle of the utility model is: the control port of the motor is connected to the wiring port 11 at the bottom of the motor speed regulating instrument 10 in conjunction with the connecting line, and the motor speed regulation can be performed by turning the speed regulating knob. A protective shell 1 is arranged on the outside of the motor speed regulating instrument 10 as a whole, and a hinge 2 is arranged on the upper front end of the protective shell 1, and a magnetic sealing cover 3 is rotatably installed on it. At the same time, an engaging groove 7 is provided at the bottom of the protective shell 1 to cooperate with the wiring port 11 at the bottom of the motor speed regulating instrument 10. The overall protective shell 1 can play a good dust-proof effect on the internal motor speed regulating instrument 10. In addition, since the motor speed regulating instrument 10 is suspended and installed in the protective shell 1 through four L-shaped blocks 9, two desiccant blocks 8 are arranged on the inner bottom wall of the protective shell 1, and a group of air guide holes 6 are respectively opened at both ends of the protective shell 1, which effectively plays a moisture-proof role for the motor speed regulating instrument 10 inside the protective shell 1, and the motor speed regulating instrument 10 is not easily damaged by moisture.

[0026] 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 moisture-proof and dust-proof motor speed regulator, comprising a protective shell (1); Features: The protective shell (1) is a rectangular iron shell with an opening at the front end; a hinge (2) is fixedly installed at the top of the outer wall of the front end of the protective shell (1); and a magnetic sealing cover (3) is fixedly connected to the rotating end of the hinge (2); The protective shell (1) is magnetically attracted to the rear end of the magnetic sealing cover (3), and the front end opening of the protective shell (1) is sealed by the magnetic sealing cover (3); A motor speed regulating instrument (10) is fixedly installed in the protective shell (1), a wiring port (11) is arranged at the bottom of the motor speed regulating instrument (10), an embedding groove (7) is opened at the center of the bottom wall of the protective shell (1), and the wiring port (11) is fixedly connected in the embedding groove (7).

2. A moisture-proof and dust-proof motor speed regulator according to claim 1, characterized in that: An L-shaped block (9) is fixedly connected to each of the four corners of the inner side wall of the protective shell (1).

3. A moisture-proof and dust-proof motor speed regulator according to claim 2, characterized in that: A motor speed regulating instrument (10) is fixedly connected between the inner side walls at the opposite ends of the four L-shaped blocks (9).

4. The moisture-proof and dust-proof motor speed regulator according to claim 1, characterized in that: A display screen is arranged above the front end of the motor speed regulating instrument (10), two control switches are arranged below one side of the front end of the motor speed regulating instrument (10), and a speed regulating knob is arranged below the other side of the front end of the motor speed regulating instrument (10).

5. The moisture-proof and dust-proof motor speed regulator according to claim 1, characterized in that: A through groove is provided between the front and rear side walls of the upper end of the magnetic sealing cover (3), and an observation window (4) is fixedly installed in the through groove. A handle (5) is fixedly connected to the lower end of the front side wall of the magnetic sealing cover (3).

6. The moisture-proof and dust-proof motor speed regulator according to claim 1, characterized in that: A desiccant block (8) is fixedly connected to each of the two ends of the inner bottom wall of the protective shell (1), and a group of air guide holes (6) are respectively opened in the middle of the two ends of the inner side wall of the protective shell (1), and a group of air guide holes (6) is multiple and arranged at equal distances from top to bottom.

7. The moisture-proof and dust-proof motor speed regulator according to claim 1, characterized in that: A rubber pad (14) is fixedly connected to each of the four corners of the outer bottom wall of the protective shell (1), a threaded connection seat (13) is fixedly connected to each of the four corners of the outer side wall at the rear end of the protective shell (1), and a handle (12) is fixedly connected to the middle position of the outer top wall of the protective shell (1).

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