Fan motor adopting improved carbon brush structure

Abstract

The utility model relates to the technical field of fan motors, in particular to a fan motor adopting an improved carbon brush structure, which comprises a motor body, a bottom plate is annularly arranged on the inner wall of the motor body, a plurality of shells are annularly and uniformly arranged on the upper surface of the bottom plate, a carbon brush is arranged in a cavity, and a mounting seat is arranged at the rear end of the carbon brush. A spring piece is arranged between the mounting base and the rear inner wall of the cavity, a conductive wire is arranged at the rear end of the mounting base, a wire arrangement assembly is connected to the exterior of the conductive wire in a sleeving mode, and a buffer pad is arranged on the front surface of the mounting base. According to the utility model, the buffer pad is arranged, so that when the mounting seat is subjected to the thrust action of the spring piece, the buffer pad plays a role in buffering the mounting seat, and abnormal sound caused by damage of the carbon brush and the mounting seat is avoided; according to the arranged wire arrangement assembly, the conductive wires are coiled along the inner wall of the wire arrangement cavity and then extend out of the shell, the conductive wires are very regular, and the abundant conductive wires can be placed in the wire arrangement cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan motor technology field especially relates to a fan motor with improved carbon brush structure. BACKGROUND

[0002] Fan motor, it mainly by a electromagnet winding or distribution of stator winding to generate magnetic field and a rotating armature or rotor composition. Electric motor utilizes the phenomenon that the current coil is forced to rotate in the magnetic field and is made.

[0003] For example, the authorized announcement number "CN214124285U" is named a carbon brush structure of a heat dissipation fan motor, although the offset of the carbon brush rod is limited by setting the guide rib part on the inner wall of the shell, the eccentric phenomenon of the carbon brush rod is ensured not to occur in the working process, the scraping between the carbon brush rod and the shell mouth is avoided, and normal work of the carbon brush rod is ensured.But, the carbon brush rod is pushed by the spring force, the carbon brush rod has no buffer, is easy to damage and produces abnormal sound;The conductive wire is out of the shell through the wire slot, the conductive wire is irregular, and the excess conductive wire has no place to place. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a fan motor with improved carbon brush structure.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Design a fan motor with improved carbon brush structure, including motor body, the motor body is equipped with motor shaft in, the motor shaft is equipped with commutator outside sleeve, the inner wall of motor body is annularly equipped with bottom plate, the middle part of bottom plate surface is equipped with through -hole, the commutator penetrates through through -hole, the upper surface of bottom plate is annularly and uniformly equipped with a plurality of shells, the shell is equipped with cavity inside, the cavity is equipped with carbon brush inside, the carbon brush sliding penetrates the front inner wall of cavity, the rear end of carbon brush is equipped with mounting seat, the spring piece is equipped between the rear inner wall of cavity and mounting seat, the rear end of mounting seat is equipped with conductive wire, the conductive wire penetrates the rear inner wall of cavity, the conductive wire is equipped with wire arrangement assembly outside sleeve, the front surface of mounting seat is equipped with buffer pad.

[0007] Preferably, the wire arrangement assembly includes a wire arrangement block, which is disposed on the rear inner wall of the cavity, and the wire arrangement block has a wire arrangement cavity inside, and the conductive wire is disposed in the wire arrangement cavity.

[0008] Preferably, a plurality of limiting rods are disposed between the front and rear inner walls of the cavity, and the plurality of limiting rods all slidingly penetrate the mounting seat.

[0009] Preferably, the number of limiting rods is four, and the four limiting rods are annularly and uniformly disposed between the front and rear inner walls of the cavity

[0010] Preferably, the motor body surface is annularly provided with a plurality of heat dissipation blocks.

[0011] Preferably, the motor body circumferential surface is annularly provided with a mounting groove.

[0012] The fan motor with the improved carbon brush structure has the beneficial effects that: the buffer pad is arranged, when the mounting seat is subjected to the thrust of the spring member, the buffer pad plays a role of buffering the mounting seat, and abnormal sound caused by damage of the carbon brush and the mounting seat is avoided; the wire arrangement assembly is arranged, the conductive wire is wound along the inner wall of the wire arrangement cavity, placed in the wire arrangement cavity, and then extended out of the shell, the conductive wire is very neat, and the excess conductive wire can be placed in the wire arrangement cavity. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 A structure schematic view of the utility model is shown in the figure;

[0014] Fig. 2 An A-A position sectional view of the utility model is shown in the figure;

[0015] Fig. 3 A B position enlarged view of the utility model is shown in the figure.

[0016] In the figure: motor body 1, motor shaft 2, commutator 3, bottom plate 4, through hole 5, shell 6, cavity 7, carbon brush 8, mounting seat 9, spring member 10, conductive wire 11, buffer pad 12, wire arrangement block 13, wire arrangement cavity 14, limiting rod 15, heat dissipation block 16, mounting groove 17. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0018] Referring to Figs. 1-3 A fan motor with an improved carbon brush structure comprises a motor body 1, the motor body 1 is internally provided with a motor shaft 2, the motor shaft 2 is externally sleeved with a commutator 3, the inner wall of the motor body 1 is annularly provided with a bottom plate 4, the surface of the bottom plate 4 is provided with a through hole 5 in the middle, the commutator 3 penetrates through the through hole 5, the upper surface of the bottom plate 4 is annularly and uniformly provided with a plurality of shells 6, the shell 6 is internally provided with a cavity 7, the cavity 7 is internally provided with a carbon brush 8, the carbon brush 8 is slidably penetrated through the front inner wall of the cavity 7, the rear end of the carbon brush 8 is provided with a mounting seat 9, the spring member 10 is arranged between the mounting seat 9 and the rear inner wall of the cavity 7, the rear end of the mounting seat 9 is provided with a conductive wire 11, the conductive wire 11 penetrates through the rear inner wall of the cavity 7, the wire arrangement assembly is sleeved outside the conductive wire 11, and the mounting seat 9 is provided with a buffer pad 12 on the front surface.

[0019] The wire arranging assembly comprises a wire arranging block 13 arranged on the rear inner wall of the cavity 7, and a wire arranging cavity 14 is arranged in the wire arranging block 13, and the conductive wire 11 is arranged in the wire arranging cavity 14.

[0020] A plurality of limiting rods 15 are arranged between the front and rear inner walls of the cavity 7, and the plurality of limiting rods 15 are slidably penetrated through the mounting seat 9.

[0021] The number of the limiting rods 15 is four, and the four limiting rods 15 are uniformly arranged in a ring shape between the front and rear inner walls of the cavity 7.

[0022] A plurality of heat dissipation blocks 16 are arranged in a ring shape on the surface of the motor body 1.

[0023] A mounting groove 17 is arranged on the circumferential surface of the motor body 1 in a ring shape.

[0024] Working principle: the buffer pad 12 is arranged, when the mounting seat 9 is subjected to the thrust of the spring member 10, the buffer pad 12 plays a role in buffering the mounting seat 9, avoiding the damage of the carbon brush 8 and the mounting seat 9 and the generation of abnormal sound; the wire arranging assembly is arranged, the conductive wire 11 is wound along the inner wall of the wire arranging cavity 14, put into the wire arranging cavity 14, and then extended out of the shell 6, the conductive wire 11 is very neat, and the excess conductive wire 11 can be put into the wire arranging cavity 14.

[0025] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A fan motor using a modified carbon brush structure, comprising a motor body (1), characterized in that, The motor body (1) is internally provided with a motor shaft (2), the motor shaft (2) is externally sleeved with a commutator (3), the motor body (1) is annularly provided with a bottom plate (4) on the inner wall, the surface of the bottom plate (4) is provided with a through hole (5) in the middle, the commutator (3) penetrates the through hole (5), the upper surface of the bottom plate (4) is annularly and uniformly provided with a plurality of housings (6), the housing (6) is internally provided with a cavity (7), the cavity (7) is internally provided with a carbon brush (8), the carbon brush (8) is slidingly penetrated through the front inner wall of the cavity (7), the rear end of the carbon brush (8) is provided with a mounting seat (9), the mounting seat (9) and the rear inner wall of the cavity (7) are provided with a spring member (10), the rear end of the mounting seat (9) is provided with a conductive wire (11), the conductive wire (11) penetrates the rear inner wall of the cavity (7), the conductive wire (11) is externally sleeved with a wire arrangement assembly, and the front surface of the mounting seat (9) is provided with a buffer pad (12).

2. The electric motor for a fan with a modified carbon brush structure according to claim 1, characterized in that, The wire arrangement assembly comprises a wire arrangement block (13), the wire arrangement block (13) is arranged on the rear inner wall of the cavity (7), the wire arrangement block (13) is internally provided with a wire arrangement cavity (14), and the conductive wire (11) is arranged in the wire arrangement cavity (14).

3. The electric motor for a fan with a modified carbon brush structure according to claim 1, characterized in that, A plurality of limiting rods (15) are arranged between the front and rear inner walls of the cavity (7), and the plurality of limiting rods (15) are slidingly penetrated through the mounting seat (9).

4. The electric motor for a fan having a modified carbon brush structure according to claim 3, characterized in that, The number of the limiting rods (15) is four, and the four limiting rods (15) are annularly arranged between the front and rear inner walls of the cavity (7).

5. The electric motor for a fan with a modified carbon brush structure according to claim 1, characterized in that, The surface of the motor body (1) is annularly provided with a plurality of heat dissipation blocks (16).

6. The electric motor for a fan with a modified carbon brush structure according to claim 1, characterized by The circumferential surface of the motor body (1) is annularly provided with a mounting groove (17).

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