Carbon brush capable of protecting rotor conveniently
A technology of carbon brushes and rotors, which is applied in the field of carbon brushes for easy protection of rotors. It can solve the problems of easy damage of rotors, high cost of rotors, and long time consumption, and achieve the effects of avoiding wear, improving use efficiency, and protecting rotors.
Inactive Publication Date: 2018-06-12
张国阳
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Problems solved by technology
[0003] The purpose of the present invention is to provide a carbon brush that is convenient to protect the rotor, which solves the problem that the existing carbon brush wears quickly, and after the carbon brush is worn, it is easy to rotate again due to inertia or carelessness. At this time, the rotor is easily damaged, and the The cost of the rotor is too high, and it takes a long time to replace the rotor. Replace the carbon brush in time to avoid damage to the rotor
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can...
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The invention discloses a carbon brush capable of protecting a rotor conveniently. The carbon brush comprises a carbon brush block, a spring, a base and a connecting copper wire, the carbon brush block is arranged at the upper end of the spring, the base is arranged at the lower end of the spring, and the connecting copper wire is arranged between the base and the carbon brush block. The carbon brush is characterized in that two plastic blocks are arranged at the lower end of the carbon brush block, the inner sides of the plastic blocks fit the inner side of the carbon brush block, the plasticblocks are fixedly installed on two sides of the carbon brush block respectively, a carbon brush block seat is arranged at the bottom of the carbon brush block, a boss is arranged at the bottom of the base, and spring limiting rings are arranged on the carbon brush seat and the base. According to the carbon brush, the plastic blocks are added to two sides of the carbon brush to prevent the springfrom wearing the rotor due to inertia, and the rotor can be separated from the spring due to the separation of the plastic blocks to prevent the rotor from wearing and protect the rotor.
Description
technical field [0001] The invention relates to the technical field of motor carbon brushes, in particular to a carbon brush for protecting a rotor. Background technique [0002] Carbon brush (Carbon brush) is also called electric brush, as a kind of sliding contact, it is widely used in many electrical equipment. Carbon brushes are mainly used in graphite, fat-impregnated graphite, and metal (copper, silver) graphite. A carbon brush is a device that transmits energy or signals between the fixed part and the rotating part of a motor or generator or other rotating machinery. It is generally made of pure carbon and a coagulant. A spring presses it tightly on the rotating shaft. When the motor rotates, the electric energy is transmitted to the coil through the commutator. Because its main component is carbon, it is called a carbon brush, which is easy to wear. It should be regularly maintained and replaced, and carbon deposits should be cleaned. In the prior art, the carbon ...
Claims
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IPC IPC(8): H02K5/14H01R39/58
CPCH02K5/14H01R39/58
Inventor 张国阳
Owner 张国阳