Wear-resistant automobile commutator

Abstract

The utility model relates to the technical field of automobile commutators, and discloses a wear-resistant automobile commutator, which comprises a commutator segment, an insulating sleeve is arranged in the commutator segment, the upper surface of the insulating sleeve is provided with two pipe grooves, and the inner wall of each pipe groove is fixedly provided with a lubricating pipe. The interior of each lubricating pipe is fixedly communicated with three oil outlet pipes, the outer surface of each oil outlet pipe makes contact with the inner wall of the pipe groove, the interior of each lubricating pipe is fixedly communicated with a discharging pipe, the interior of each discharging pipe is fixedly communicated with an electromagnetic valve, and the interiors of the two discharging pipes are jointly and fixedly communicated with an oil storage box. According to the wear-resistant automobile commutator, the commutator segment, the insulating sleeve, the pipe groove, the lubricating pipe, the oil outlet pipe, the discharge pipe, the electromagnetic valve, the oil storage box, the shaft hole and the controller are arranged, a certain amount of lubricating oil is stored in the oil storage box, the controller can be used for timing opening and closing of the electromagnetic valve, and the effect of lubricating the structure in the insulating sleeve can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile commutators, in particular to a wear-resistant automobile commutator. Background Art

[0002] The commutator is also called a commutator. It is an important component on the armature of a DC motor and an AC commutator motor. It is composed of many copper sheets separated by mica sheets and is cylindrical or disc-shaped. Each copper sheet is connected to several armature winding elements. When the armature rotates, the copper sheets contact the fixed brushes one after another. In a DC motor, the AC power in the armature winding is converted into DC power between the brushes through the brushes and the commutator. In an AC commutator motor, the frequency of the AC power between the brushes is made to meet the working requirements.

[0003] The increased friction between the components of the commutator is one of the main reasons for wear and tear, and regular lubrication is required. However, the existing commutators are generally lubricated manually and cannot be automatically lubricated regularly. It is difficult to control the lubrication time. Therefore, those skilled in the art provide a wear-resistant automotive commutator to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a wear-resistant automobile commutator to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A wear-resistant automobile commutator comprises a commutator segment, an insulating sleeve is arranged inside the commutator segment, two pipe grooves are provided on the upper surface of the insulating sleeve, a lubrication pipe is fixedly installed on the inner wall of each pipe groove, three oil outlet pipes are fixedly connected inside each lubrication pipe, the outer surface of each oil outlet pipe contacts the inner wall of the pipe groove, a discharge pipe is fixedly connected inside each lubrication pipe, a solenoid valve is fixedly connected inside each discharge pipe, an oil storage box is fixedly connected inside two discharge pipes, an axial hole is provided on the upper surface of the oil storage box, a controller is arranged on the outer side of the commutator segment, and the controller is electrically connected to the solenoid valve through a wire.

[0007] As a further solution of the utility model: two fixing plates are fixedly mounted on the upper surface of the insulating sleeve, and the upper surface of each of the fixing plates is fixedly connected to the bottom surface of the oil storage box.

[0008] As a further solution of the utility model: the inner wall of each fixing plate is threadedly connected with two fastening nails, and the outer surface of each fastening nail is threadedly connected with the inner wall of the oil storage box and the inner wall of the insulating sleeve.

[0009] As a further solution of the utility model: a plugging head is threadedly connected to the inner wall of the oil storage box, and two liquid level sensors are threadedly connected to the inner wall of the oil storage box.

[0010] As a further solution of the utility model: a shell is arranged on the outer side of the commutator segment, and the inner wall of the shell is fixedly connected to the outer surface of the controller.

[0011] As a further solution of the utility model: a display instrument is fixedly installed on the inner wall of the shell, and the display instrument is electrically connected to the liquid level sensor through a wire.

[0012] As a further solution of the utility model: a warning light is fixedly installed on the left side of the shell, and the warning light is electrically connected to the controller and the liquid level sensor through wires.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a commutator segment, an insulating sleeve, a pipe groove, a lubrication pipe, an oil outlet pipe, a discharge pipe, a solenoid valve, an oil storage box, an axis hole and a controller. A certain amount of lubricating oil is stored in the oil storage box, and the solenoid valve can be opened and closed at a fixed time by the controller, so as to lubricate the structure in the insulating sleeve, thereby achieving the purpose of maintaining small friction through regular lubrication to avoid the problem of reduced wear resistance due to failure to lubricate in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a wear-resistant automobile commutator;

[0016] Figure 2 This is a three-dimensional structural diagram of a pipe slot in a wear-resistant automobile commutator;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of a lubrication pipe in a wear-resistant automobile commutator;

[0018] Figure 4 The figure is a three-dimensional structural diagram of a liquid level sensor in a wear-resistant automobile commutator.

[0019] In the figure: 1. commutator; 2. housing; 3. controller; 4. display instrument; 5. warning light; 6. shaft hole; 7. oil storage box; 8. insulating sleeve; 9. pipe groove; 10. plugging head; 11. solenoid valve; 12. discharge pipe; 13. lubrication pipe; 14. oil outlet pipe; 15. fastening nail; 16. fixing plate; 17. liquid level sensor. DETAILED DESCRIPTION

[0020] See also Figure 1-4A wear-resistant automobile commutator comprises a commutator segment 1, an insulating sleeve 8 is arranged inside the commutator segment 1, two pipe grooves 9 are arranged on the upper surface of the insulating sleeve 8, a lubrication pipe 13 is fixedly installed on the inner wall of each pipe groove 9, three oil outlet pipes 14 are fixedly connected inside each lubrication pipe 13, the outer surface of each oil outlet pipe 14 is in contact with the inner wall of the pipe groove 9, a discharge pipe 12 is fixedly connected inside each lubrication pipe 13, a solenoid valve 11 is fixedly connected inside each discharge pipe 12, an oil storage box 7 is fixedly connected inside the two discharge pipes 12, an axial hole 6 is arranged on the upper surface of the oil storage box 7, a controller 3 is arranged on the outer side of the commutator segment 1, and the controller 3 is electrically connected to the solenoid valve 11 through a wire.

[0021] Two fixing plates 16 are fixedly installed on the upper surface of the insulating sleeve 8, and the upper surface of each fixing plate 16 is fixedly connected to the bottom surface of the oil storage box 7. The fixing plate 16 is used to connect the insulating sleeve 8 and the oil storage box 7 to achieve fixation of the two. The inner wall of each fixing plate 16 is threadedly connected with two fastening nails 15, and the outer surface of each fastening nail 15 is threadedly connected to the inner wall of the oil storage box 7 and the inner wall of the insulating sleeve 8. The fastening nails 15 are used to connect the fixing plate 16, the oil storage box 7 and the insulating sleeve 8 to achieve the purpose of fixing the fixing plate 16. The inner wall of the oil storage box 7 is threadedly connected with a plugging head 10, and the inner wall of the oil storage box 7 is threadedly connected with two liquid level sensors 17. The liquid level sensor 17 is used to detect the liquid level in the oil storage box 7, which is conducive to knowing the consumption of lubricating oil.

[0022] A shell 2 is provided on the outside of the commutator segment 1, and the inner wall of the shell 2 is fixedly connected to the outer surface of the controller 3. A display instrument 4 is fixedly installed on the inner wall of the shell 2, and the display instrument 4 is electrically connected to the liquid level sensor 17 through a wire. The display instrument 4 is a supporting instrument for the liquid level sensor 17 and can display the liquid level in a numerical value. A warning light 5 is fixedly installed on the left side of the shell 2, and the warning light 5 is electrically connected to the controller 3 and the liquid level sensor 17 through a wire respectively. When the amount of lubricating oil drops to a certain level, a lack of warning is given through the warning light 5.

[0023] The working principle of the utility model is: when in use, the solenoid valve 11 and the warning light 5 are powered on, the lubrication pipe 13 and the oil storage box 7 are installed on the insulating sleeve 8, the structure used is installed in the commutator segment 1 and the insulating sleeve 8, and penetrates at the shaft hole 6, which does not affect the use of the commutator segment 1 and the insulating sleeve 8. During the long-term process of the commutator segment 1 and the insulating sleeve 8, there is not enough lubrication, and the shaft in the insulating sleeve 8 will produce greater friction, reducing the wear resistance of the commutator. At this time, the controller 3 can perform timing control on the solenoid valve 11, and when the timing is reached When the time comes, the controller 3 will start the solenoid valve 11, and the solenoid valve 11 will open the discharge pipe 12. The lubricating oil enters the lubricating pipe 13 from the oil storage box 7 through the discharge pipe 12. The lubricating pipe 13 is discharged into the oil outlet pipe 14 through the lubricating oil, and the shaft is lubricated through the oil outlet pipe 14. Since the oil storage box 7 will have a certain consumption after long-term use, the liquid level sensor 17 detects the lubricating oil level. After it is reduced to a certain level, the controller 3 will start the prompt light 5, and the prompt light 5 will give an oil level prompt, and the display instrument 4 can also display the lubricating oil level.

[0024] What is described above 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 wear-resistant automobile commutator, comprising a commutator segment (1), characterized in that: An insulating sleeve (8) is provided inside the commutator segment (1). Two pipe grooves (9) are provided on the upper surface of the insulating sleeve (8). A lubrication pipe (13) is fixedly installed on the inner wall of each pipe groove (9). Three oil outlet pipes (14) are fixedly connected inside each lubrication pipe (13). The outer surface of each oil outlet pipe (14) is in contact with the inner wall of the pipe groove (9). A discharge pipe (12) is fixedly connected inside each lubrication pipe (13). The interior of each discharge pipe (12) is fixedly connected to a solenoid valve (11). The interiors of the two discharge pipes (12) are fixedly connected to an oil storage box (7). An axial hole (6) is provided on the upper surface of the oil storage box (7). A controller (3) is provided on the outer side of the commutator segment (1). The controller (3) is electrically connected to the solenoid valve (11) via a wire.

2. The wear-resistant automobile commutator according to claim 1, characterized in that: Two fixing plates (16) are fixedly mounted on the upper surface of the insulating sleeve (8), and the upper surface of each fixing plate (16) is fixedly connected to the bottom surface of the oil storage box (7).

3. The wear-resistant automobile commutator according to claim 2, characterized in that: The inner wall of each fixing plate (16) is threadedly connected to two fastening nails (15), and the outer surface of each fastening nail (15) is threadedly connected to the inner wall of the oil storage box (7) and the inner wall of the insulating sleeve (8).

4. The wear-resistant automobile commutator according to claim 1, characterized in that: The inner wall of the oil storage box (7) is threadedly connected to a plugging head (10), and the inner wall of the oil storage box (7) is threadedly connected to two liquid level sensors (17).

5. The wear-resistant automobile commutator according to claim 4, characterized in that: A shell (2) is provided on the outside of the commutator segment (1), and the inner wall of the shell (2) is fixedly connected to the outer surface of the controller (3).

6. The wear-resistant automobile commutator according to claim 5, characterized in that: A display instrument (4) is fixedly mounted on the inner wall of the housing (2), and the display instrument (4) is electrically connected to a liquid level sensor (17) via a wire.

7. The wear-resistant automobile commutator according to claim 6, characterized in that: A warning light (5) is fixedly mounted on the left side of the housing (2), and the warning light (5) is electrically connected to the controller (3) and the liquid level sensor (17) respectively through wires.

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