CN219802028U

CN219802028U - Motor with reversing structure

Info

Publication number: CN219802028U
Application number: CN202320633449.6U
Authority: CN
Inventors: 王心河
Original assignee: Shandong Xinfan Motor Manufacturing Co ltd
Current assignee: Shandong Xinfan Motor Manufacturing Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-10-03
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a motor with a reversing structure, which comprises a motor shell, a front housing, a rotating shaft, a rotor, an insulating sleeve, a commutator, a brush seat and a brush.

Description

Motor with reversing structure

Technical Field

The utility model relates to the technical field of motors with reversing structures, in particular to a motor with a reversing structure.

Background

The motor is an energy conversion device for converting electric energy into mechanical energy for rotor rotation according to an electromagnetic induction principle, and is a power device which is most applied to industrial production and life activities by people at present.

Through searching, chinese patent No. 109687651A discloses a motor with a novel reversing structure, which comprises a stator, a rotor, a commutator and an electric brush, wherein a disc-shaped commutator is arranged on the rotor, the outer end surface of the commutator is contacted with one end of the electric brush, the other end of the electric brush extends along the non-radial direction of the commutator, and the electric brush is connected with a power supply. By adopting the technical scheme of the utility model, the contact area between the electric brush and the commutator is increased, the conductive sectional area through which electric energy can flow is larger, the reversing reliability is improved, the noise in the operation of the motor is reduced, the electric brush is tightly contacted with the commutator under the action of spring force, the reversing reliability is further improved, in addition, the components in the motor shell are more easily and tightly arranged, the electric brush is connected with a power supply through a wire extending out of the end face of the motor shell, the assembly is more convenient for a motor manufacturer, the wire embedding and welding process of the armature is relatively simple, and the cost is reduced for motor manufacturing enterprises.

The prior device has the following defects when in use: the brush on the motor with a common reversing structure is contacted with the steering blade through a spring, the distance between the brush holder and the converter cannot be adjusted according to the requirement, and the poor contact between the brush and the steering gear is easily caused along with the weakening of the force of the spring, so that the operation of the reversing motor is influenced.

Disclosure of Invention

The utility model aims to provide a motor with a reversing structure, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a motor with switching-over structure, includes motor housing, front shroud, pivot, rotor, insulating sleeve, commutator, brush holder and brush, the front end of motor housing installs front shroud, the screw fixation through the installation has the brush holder on the inner wall of front shroud, the brush holder is installed in the last removal of brush holder, install the spring on the brush holder, the brush is installed to the other end of spring, install the bolt on the brush holder, the screw spiro union of seting up on bolt and the brush holder.

Preferably, a rotating shaft is arranged in the motor shell, a rotor and an insulating sleeve are arranged on the rotating shaft, and a commutator arranged on the outer ring of the insulating sleeve is connected with one end of the rotor.

Preferably, a stator is fixedly installed in the motor housing.

Preferably, one end of the electric brush is contacted with the outer end face of the commutator, and the electric brush is connected with a power supply.

Preferably, each winding coil on the rotor is respectively connected with a symmetrical reversing piece on the reverser.

Preferably, the fan blade is arranged at the rear end of the rotating shaft, which is positioned in the motor shell.

Preferably, the outer wall of the motor housing is provided with a supporting leg.

Compared with the prior art, the utility model has the beneficial effects that: when the force of the spring weakens and can not enable the brush to be attached to the commutator, the brush holder is moved downwards, the distance from the brush to the commutator is adjusted to enable the brush to be attached to the commutator, then the bolts arranged on the brush holder are rotated, the bolts are fixed in screw holes formed in the brush holder, the brush holder can be adjusted to move on the brush holder according to the needs, the brush is firmly attached to the commutator, the problem that poor contact between the brush and the commutator is caused along with the weakening of the force of the spring is avoided, and the running stability of the commutating motor is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic cross-sectional structure of the present utility model.

Fig. 4 is an enlarged schematic view of the reversing structure of the present utility model.

In the figure: 1. a motor housing; 2. a support leg; 3. a front cover; 4. a rotating shaft; 5. a stator; 6. a rotor; 7. an insulating sleeve; 8. a commutator; 9. a brush holder; 10. a brush holder; 11. a screw; 12. a bolt; 13. a spring; 14. a brush; 15. and (3) a fan blade.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, in an embodiment of the present utility model, a motor with a commutation structure includes a motor housing 1, a front casing 3, a rotating shaft 4, a rotor 6, an insulation sleeve 7, a commutator 8, a brush holder 9 and a brush 14, wherein the front casing 3 is mounted at the front end of the motor housing 1, the brush holder 9 is fixed on the inner wall of the front casing 3 through a mounted screw 11, a brush holder 10 is mounted on the brush holder 9 in a moving manner, a spring 13 is mounted on the brush holder 10, the brush 14 is mounted at the other end of the spring 13, a bolt 12 is mounted on the brush holder 10, the bolt 12 is screwed with a screw hole formed on the brush holder 9, when the force of the spring 13 weakens and cannot enable the brush 14 to be attached to the commutator 8, the brush holder 10 is moved downward to adjust the distance between the brush 14 and the commutator 8, then a bolt 12 mounted on the brush holder 10 is rotated, the bolt 12 is fixed in a screw hole formed on the brush seat 9 to fix the brush holder 10, the brush holder 10 can be adjusted to move on the brush seat 9 according to the requirement, so that the brush 14 is firmly attached to the commutator 8, the problem of poor contact between the brush 14 and the commutator 8 caused by weakening force of a spring is avoided, the stable operation of a reversing motor is ensured, a rotating shaft 4 is arranged in a motor shell 1, a rotor 6 and an insulating sleeve 7 are arranged on the rotating shaft 4, the commutator 8 arranged on the outer ring of the insulating sleeve 7 is connected with one end of the rotor 6, a stator 5 is fixedly arranged in the motor shell 1, one end of the brush 14 contacts with the outer end surface of the commutator 8, the brush 14 is connected with a power supply, each winding coil on the rotor 6 is respectively connected with symmetrical commutating pieces on the commutator 8, the brush holder 10 arranged on the brush seat 9 in a moving way, the brush 14 can be attached to the commutator 8 by matching the spring 13 mounted on the brush holder 10 and the brush 14 mounted at the other end of the spring 13, and the electric circuit described in the present utility model is the prior art, so the protection content of the present utility model does not relate to improvement of the electric circuit and method, and therefore, too much explanation is not made here, the fan blade 15 is mounted on the rotating shaft 4 at the rear end of the motor housing 1, and the supporting leg 2 is mounted on the outer wall of the motor housing 1.

The working principle of the utility model is as follows: the brush holder 10 movably arranged on the brush holder 9 is matched with the spring 13 arranged on the brush holder 10 and the brush 14 arranged at the other end of the spring 13, so that the brush 14 can be attached to the commutator 8, and the electric appliance circuit is in the prior art.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a motor with switching-over structure, includes motor housing (1), front shroud (3), pivot (4), rotor (6), insulating sleeve (7), commutator (8), brush seat (9) and brush (14), its characterized in that: front housing (3) are installed to the front end of motor housing (1), be fixed with brush seat (9) through screw (11) of installation on the inner wall of front housing (3), brush seat (9) are gone up to remove and are installed brush holder (10), install spring (13) on brush holder (10), brush (14) are installed to the other end of spring (13), install bolt (12) on brush holder (10), screw spiro union of seting up on bolt (12) and brush seat (9).

2. A motor having a commutation structure as set forth in claim 1, wherein: the motor is characterized in that a rotating shaft (4) is arranged in the motor shell (1), a rotor (6) and an insulating sleeve (7) are arranged on the rotating shaft (4), and a commutator (8) arranged on the outer ring of the insulating sleeve (7) is connected with one end of the rotor (6).

3. A motor having a commutation structure as set forth in claim 1, wherein: a stator (5) is fixedly arranged in the motor shell (1).

4. A motor having a commutation structure as set forth in claim 1, wherein: one end of the electric brush (14) is contacted with the outer end face of the commutator (8), and the electric brush (14) is connected with a power supply.

5. A motor having a commutation structure as set forth in claim 1, wherein: each winding coil on the rotor (6) is respectively connected with a symmetrical reversing piece on the reverser (8).

6. A motor having a commutation structure as set forth in claim 1, wherein: the fan blade (15) is arranged at the rear end of the rotating shaft (4) in the motor shell (1).

7. A motor having a commutation structure as set forth in claim 1, wherein: the outer wall of the motor shell (1) is provided with supporting legs (2).