CN218456383U

CN218456383U - Miniature large power DC brush motor

Info

Publication number: CN218456383U
Application number: CN202222863411.6U
Authority: CN
Inventors: 肉孜·赛地艾合买提
Original assignee: Rou ZiSaidiaihemaiti
Current assignee: Rou ZiSaidiaihemaiti
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-02-07
Anticipated expiration: 2032-10-29

Abstract

The utility model discloses a miniature big power direct current has brush motor belongs to the motor field, including commutator, rotor frame, transmission shaft, bearing, casing, electro-magnet rotor, permanent magnet rotor, solenoid group and permanent magnet group, the outside of commutator is provided with the spring of being connected with rotor frame fixed surface, the outside of commutator is provided with brush piece and outstanding angle, be connected through an electric wire between commutator and the electro-magnet coil, the fixed surface of transmission shaft installs the gear. Miniature big power direct current brush motor, the direct current produces magnetic field and magnetic pole behind the coil assembly through the electro-magnet rotor, the magnetic field and the magnetic pole of permanent magnet rotor are fixed, according to like sex repulsion, the opposite sex attraction principle of magnet rotor clockwise or anticlockwise motion, change the current direction who gets into electro-magnet rotor coil assembly with two commutators to continuous motion, this motor volume is less relatively, the rotational speed is low, power is big.

Description

Miniature large power DC brush motor

Technical Field

The utility model relates to a motor field, in particular to miniature big power direct current has brush motor field.

Background

A dc brush motor is a rotating electrical machine that includes a brush device to convert dc electrical energy into mechanical energy (dc motor) or mechanical energy into dc electrical energy (dc generator);

in the conventional power system, a motor which has relatively small volume, low rotating speed and large output power is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides miniature big power direct current has brush motor, can effectively solve the problem that proposes in the background art: the common miniature DC motor has small power when the volume is small and large volume when the power is large.

In order to achieve the above purpose, the utility model adopts the following technical scheme: miniature big power direct current has brush motor, including commutator, rotor frame, transmission shaft, bearing, casing, electro-magnet rotor, permanent magnet rotor, solenoid group and permanent magnet group, the outside of commutator be provided with rotor frame fixed surface's spring, the outside of commutator is provided with brush piece and outstanding angle, be connected through an electric wire between commutator and the electro-magnet coil, the fixed surface of transmission shaft installs the gear, the outside of transmission shaft is provided with rotor shell.

The utility model discloses a further improvement lies in, the commutator is provided with two, two the commutator set up in the outside of rotor frame, the commutator is provided with two, two commutators set up in the outside of two rotor frames, when a commutator circular telegram, another commutator is in the outage state, the circular telegram direction of two commutators is opposite each other, outstanding angle is provided with two, one of them is on the commutator, another sets up on another rotor, the effect at outstanding angle is that the electro-magnet rotor is when pressing close to the permanent magnet group of rotor to clockwise movement permanent magnet, the outstanding angle of electro-magnet rotor removes clockwise the commutator micro-amplitude in the permanent magnet rotor outside to the brush piece is with the successful circular telegram of commutator.

The utility model discloses further improvement lies in, the inner wall of casing is provided with a directional controller, and a directional controller's effect lets it pass through when rotor clockwise movement, and the rotor carries out counter-clockwise movement and passes through when blocking the rotor or rotor counter-clockwise movement, blocks when rotor clockwise movement.

The utility model discloses further improvement lies in, rotor case's inner wall fixed mounting has direction controller No. two, and No. two direction controller's effect is when transmission shaft and gear clockwise motion, and the transmission shaft is in the motion and the rotor does not move with the gear, and when transmission shaft and gear follow rotor simultaneous movement or transmission shaft and gear anticlockwise motion when rotor clockwise motion, transmission shaft and gear are in the motion and the rotor does not move, and transmission shaft and gear follow rotor simultaneous movement when rotor anticlockwise motion.

The utility model discloses a further improvement lies in, the surface of casing is provided with connects the electric mouth, the output that connects the electric mouth is to having No. two electric wires, and No. two electric wires are used for connecing the connection of electric mouth and brush piece.

The utility model discloses further improvement lies in, solenoid group with the surperficial middle part of permanent magnet group all is provided with the smooth surface, and the smooth surface reduces a direction controller's frictional force and protection coil.

Compared with the prior art, the utility model discloses following beneficial effect has: the DC electricity generates magnetic field and magnetic pole after passing through the coil group of the electromagnet rotor, the magnetic field and magnetic pole of the permanent magnet rotor are fixed, the rotor moves clockwise or anticlockwise according to the principle of like-polarity repulsion and opposite-polarity attraction of the magnet, the direction of the current entering the coil group of the electromagnet rotor is changed by two commutators, thereby the rotor continuously moves, the motor has relatively small volume, low rotating speed and large power.

Drawings

Fig. 1 is a schematic view of the overall structure of the miniature high-power dc brush motor of the present invention.

Fig. 2 is a right-side view sectioning schematic diagram of the miniature high-power direct-current brush motor of the utility model.

Fig. 3 is a schematic view of the connection between the commutator and the back of the rotor frame of the miniature high-power dc brush motor of the present invention.

Fig. 4 is a partial schematic view of the position of the transmission shaft of the miniature high-power dc brush motor of the present invention.

Fig. 5 is a schematic view of the permanent magnet rotor of the miniature high-power dc brush motor of the present invention.

Fig. 6 is a schematic view of the electromagnet rotor of the miniature high-power dc brush motor of the present invention.

Fig. 7 is a schematic view of the connection of the transmission shaft, the gear and the bearing of the miniature high-power dc brush motor of the present invention.

In the figure: 1. a commutator; 11. a spring; 12. a rotor frame; 13. an electric brush sheet; 14. a projecting angle; 15. a first electric wire; 2. a first direction controller; 21. a smooth surface; 3. a drive shaft; 31. a gear; 32. a second direction controller; 33. a bearing; 34. a rotor housing; 5. a housing; 6. an electric connection port; 61. a second wire; 7. an electromagnet rotor; 71. an electromagnetic coil group; 8. a permanent magnet rotor; 81. and a permanent magnet set.

Detailed Description

In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.

Examples

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the miniature high-power direct current brush motor comprises a commutator 1, a rotor frame 12, a transmission shaft 3, a bearing 33, a housing 5, an electromagnet rotor 7, a permanent magnet rotor 8, an electromagnetic coil group 71 and a permanent magnet group 81, wherein a spring 11 fixedly connected with the surface of the rotor frame 12 is arranged on the outer side of the commutator 1, an electric brush piece 13 and a protruding angle 14 are arranged on the outer side of the commutator 1, the commutator 1 is connected with the electromagnet coil through a first electric wire 15, a gear 31 is fixedly arranged on the surface of the transmission shaft 3, and a rotor shell 34 is arranged on the outer side of the transmission shaft 3;

specifically, as shown in fig. 2 and 3, two commutators 1 are provided on the outer side of the rotor frame 12, two commutators 1 are provided on the outer side of the two rotor frames 12, when one commutator 1 is powered on, the other commutator 1 is in a power-off state, the power-on directions of the two commutators 1 are opposite to each other, two protruding angles 14 are provided, one of the protruding angles is provided on the commutators 1, the other protruding angle 14 is provided on the other rotor, and when the electromagnet rotor 7 moves clockwise and is close to the permanent magnet group 81 of the permanent magnet rotor 8, the protruding angle 14 of the electromagnet rotor 7 moves the commutators 1 on the outer side of the permanent magnet rotor 8 clockwise in a micro-amplitude manner, so that the brush segment 13 is successfully powered on with the commutators 1;

specifically, as shown in fig. 2, a first direction controller 2 is arranged on the inner wall of the casing 5, the first direction controller 2 is used for allowing the rotor to pass through when the rotor moves clockwise, the rotor moves anticlockwise to clamp the rotor or the rotor moves anticlockwise to pass through, and the rotor moves clockwise to clamp the rotor;

specifically, as shown in fig. 4, a second direction controller 32 is fixedly mounted on an inner wall of the rotor housing 34, the gear 31 is fixedly mounted on the transmission shaft 3, the second direction controller 32 is used for enabling the transmission shaft 3 and the gear 31 to move but the rotor does not move when the transmission shaft 3 and the gear 31 move clockwise, the transmission shaft 3 and the gear 31 move synchronously with the rotor when the rotor moves clockwise or the transmission shaft 3 and the gear 31 move counterclockwise, the transmission shaft 3 and the gear 31 move but the rotor does not move, and the transmission shaft 3 and the gear 31 move synchronously with the rotor when the rotor moves counterclockwise.

Specifically, as shown in fig. 1, the surface of the housing 5 is provided with an electrical interface 6, an output end of the electrical interface 6 is connected to a second electric wire 61, and the second electric wire 61 is used for connecting the electrical interface 6 with the brush piece 13;

specifically, as shown in fig. 1, the smooth surfaces 21 are provided in the middle of the surfaces of the electromagnetic coil group 71 and the permanent magnet group 81, and the smooth surfaces 21 reduce the friction force of the first direction controller 2 and protect the coils.

It should be noted that, when the miniature large power dc brush motor of the present invention is used, firstly, the present invention may adopt a set of electromagnet rotors 7 and a set of permanent magnet rotors 8 (two electromagnet rotors 7 may also be adopted), the permanent magnet group 81 is disposed on the right side of the rotor frame 12, the electromagnetic coil group 71 is disposed on the left side of the rotor frame 12, the electromagnet rotors 7 are composed of four electromagnetic coil groups 71, each electromagnetic coil group 71 (E, F, G and H in fig. 2) has a width of 30 °, the width between two electromagnetic coil groups 71 is 60 °, the permanent magnet rotor 8 is composed of four permanent magnet groups 81, similarly, the width of each permanent magnet group 81 (A, B, C and D in fig. 2) is 30 °, the width between two permanent magnet groups 81 is 60 °, the four electromagnetic coil groups 71 are fixed outside the electromagnet rotors 7, four permanent magnet groups 81 are fixed on the outer side of the permanent magnet rotor 8, after being electrified, a magnetic field and magnetic poles are generated in a coil group of the electromagnet rotor 7, the right sides of E, F, G and H are N poles, the left sides of A, B, C and D are S poles, the left sides of the E, F, G and H are N poles, according to the principle of like-pole repulsion and opposite-pole attraction of magnets, E and B attract while E and A repel each other, B and F repel, F and C attract, C and G repel, G and D attract, D and H repel, and H and A attract, at this time, the moving directions of the electromagnet rotor 7 and the permanent magnet rotor 8 are opposite, the electromagnet rotor 7 moves towards the clockwise direction, the permanent magnet rotor 8 moves towards the counterclockwise direction, a direction controller 2 is arranged on the inner side of the machine shell 5 for the two rotors move towards the same direction, the electromagnet rotor 7 moves towards the clockwise direction, the first direction controller 2 prevents the permanent magnet rotor 8 from moving counterclockwise, so that the permanent magnet rotor 8 is fixed in place, the electromagnet rotor 7 moves 30 degrees clockwise when the first step is completed, the E is tightly attached to the B, the F is tightly attached to the C, the G is tightly attached to the D, and the H is tightly attached to the A. At this time, the commutator 1 changes the current direction, the magnetic pole of the electromagnet rotor 7 is changed immediately, but the magnetic pole of the permanent magnet rotor 8 is not changed, and E repels B, F attracts B, F repels C, C attracts G, G repels D, D attracts H, H repels A, and A attracts E. The first direction controller 2 prevents the electromagnet rotor 7 from moving towards the anticlockwise direction, so that the permanent magnet rotor 8 moves towards the clockwise direction by 30 degrees, the second step is completed, and the direction of changing the power of the commutator 1 is recovered to the first step.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Miniature big power direct current has brush motor, including commutator (1), rotor frame (12), transmission shaft (3), bearing (33), casing (5), electro-magnet rotor (7), permanent magnet rotor (8), solenoid group (71) and permanent magnet group (81), its characterized in that: the outside of commutator (1) is provided with spring (11) with rotor frame (12) fixed surface connection, the outside of commutator (1) is provided with brush piece (13) and outstanding angle (14), be connected through electric wire (15) between commutator (1) and the electromagnet coil, the fixed surface of transmission shaft (3) installs gear (31), the outside of transmission shaft (3) is provided with rotor shell (34).

2. The miniature high power direct current brushed motor as defined in claim 1, wherein: the number of the commutator devices (1) is two, and the two commutator devices (1) are arranged on the outer side of the rotor frame (12).

3. The miniature high power direct current brushed motor as defined in claim 1, wherein: and a first direction controller (2) is arranged on the inner wall of the shell (5).

4. The miniature high power direct current brushed motor as defined in claim 1, wherein: and a second direction controller (32) is fixedly arranged on the inner wall of the rotor shell (34).

5. The miniature high power direct current brushed motor as defined in claim 1, wherein: the surface of the casing (5) is provided with an electricity connecting port (6), and the output end of the electricity connecting port (6) is connected with a second electric wire (61) in a butt joint mode.

6. The miniature high power direct current brushed motor as defined in claim 1, wherein: smooth surfaces (21) are arranged in the middle of the surfaces of the electromagnetic coil group (71) and the permanent magnet group (81).