CN218472914U

CN218472914U - Series excited machine with brush carbon subassembly

Info

Publication number: CN218472914U
Application number: CN202222808219.7U
Authority: CN
Inventors: 陈伟强
Original assignee: Heshan Saixing Electric Appliance Co ltd
Current assignee: Heshan Saixing Electric Appliance Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-10
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a series excited machine with brush carbon subassembly, including casing, back lid and carbon brush, the inside of casing is equipped with the iron core, and the pivot is installed to the one end of iron core, and the other end and the commutator of iron core are connected, and back lid is installed in the one end of casing, and through screw connection between back lid and the casing, the mounting groove has all been seted up to the inner wall both sides of back lid, the utility model discloses an add the mounting groove, can put into inside with the carbon brush box to it is fixed through the construction bolt, realize the stability of installation between carbon brush box and the back lid inner wall, avoid causing rocking of carbon brush box under the great condition of pivot drive power, increased the stability that the carbon brush box was placed, avoid the carbon brush box to carry out spacingly to it by construction bolt on the axis of pivot, avoid the carbon brush box to go out from the inside of mounting groove, increased the security in the carbon brush use, make things convenient for the convenience that the carbon brush box dismantlement was changed simultaneously.

Description

Series excited machine with brush carbon assembly

Technical Field

The utility model relates to a technical field of series excited machine specifically is a series excited machine with brush carbon subassembly.

Background

The series motor is a single-phase series motor, the stator of which is composed of salient pole iron core and exciting winding, and the rotor of which is composed of non-salient pole iron core, armature winding, commutator and rotating shaft. And a series loop is formed between the excitation winding and the armature winding through the brush and the commutator.

In the existing series excited motor with the brush, the carbon brush is generally arranged in the carbon brush sleeve, and the carbon brush sleeve is distributed on two sides of the carbon brush support, so that the semi-circular surface of the carbon brush is fully contacted with the commutator. When the motor rotor runs at a high speed, the carbon brush and the carbon brush sleeve which are contacted with the commutator generate great vibration, so that the stability of the carbon brush support greatly influences the service efficiency and performance of the whole series excited motor, and further influences the working efficiency and service life of the product.

To this end, we propose a series machine with a brush carbon assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve the series excited machine who has brush carbon subassembly of carbon brush box installation stability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a series excited machine with brush carbon subassembly, includes casing, back lid and carbon brush, the inside of casing is equipped with the iron core, the pivot is installed to the one end of iron core, the other end and the commutator of iron core are connected, back lid install in the one end of casing, just back lid with through screw connection between the casing, the mounting groove has all been seted up to the inner wall both sides of back lid, and carbon brush quantity is two the carbon brush install respectively in the both sides of commutator, just the tip of carbon brush with the lateral wall of commutator contacts, the inside of carbon brush box is located in the carbon brush slip, the one end of carbon brush runs through the carbon brush box outwards extends, the other end of carbon brush with through spring coupling between the inner wall of carbon brush box, carbon brush box installation with the inside of mounting groove, and through construction bolt with back lid threaded connection, through addding, can put into the carbon brush box to through construction bolt is fixed, realize the stability of installation between carbon brush box and the back lid inner wall, avoid causing rocking of carbon brush box under the great condition of pivot drive power, increased the stability that the carbon brush box placed, avoided the brush box to change the pivot and convenient to the brush box and the installation is gone up the installation of the pivot, and the use of brush box, the convenient installation of brush box, the pivot is avoided the installation of brush to the vertical brush to the installation of brush, and is gone up the installation of brush, and is convenient to the installation.

Preferably, the two sides of the mounting groove are provided with limiting slots, the two sides of the limiting slots are provided with threaded holes, the threaded holes are communicated with the limiting slots and the mounting groove respectively, and the mounting bolt is arranged in the threaded holes in a threaded manner, so that the weight of the rear cover can be reduced.

Preferably, a restraint plate is inserted into the limiting slot, one end of the restraint plate is fixedly connected with one side of the carbon brush box, and a through hole aligned with the threaded hole is formed in the restraint plate to increase the stability of fixing the carbon brush box.

Preferably, the end fixing of the carbon brush box is provided with an insulating plate, and the distance between two ends of the insulating plate is greater than the width of the port of the mounting groove, so that the carbon brush box can be clamped at the port of the mounting groove, and the carbon brush box is prevented from completely entering the mounting groove.

Preferably, a junction box connected with the commutator through wires is fixedly arranged above the rear cover, so that wiring installation is facilitated.

Preferably, the end of the carbon brush, which is far away from the commutator, and the inner wall of the carbon brush box are both fixedly provided with insulating seats, so that the insulating effect can be achieved, and the use safety is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a to current cluster excite motor brush carbon subassembly and optimize, through addding the mounting groove, can put into inside with the brush-box, and it is fixed through the construction bolt, realize the stability of installation between brush-box and the back lid inner wall, avoid causing rocking of brush-box under the great condition of pivot drive power, the stability that the brush-box was placed has been increased, avoid the brush-box to rock at inside level of back lid and vertical side, carry on spacingly to it by construction bolt on the axis of pivot, avoid the brush-box to go out from the inside of mounting groove, the security in the carbon brush use has been increased, make things convenient for the convenience that the brush-box dismantlement was changed simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural view of the middle and rear covers of the present invention.

In the figure: 1-a shell; 2-an iron core; 3-a rotating shaft; 4-a commutator; 5-rear cover; 6-carbon brush; 7-a carbon brush box; 8-a spring; 9-mounting grooves; 10-mounting bolts; 11-a limit slot; 12-a threaded hole; 13-a constraining plate; 14-a through hole; 15-an insulating plate; 16-terminal box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, a series motor with a carbon brush assembly in the drawings includes a housing 1, a rear cover 5 and carbon brushes 6, an iron core 2 is disposed inside the housing 1, a rotating shaft 3 is mounted at one end of the iron core 2, the other end of the iron core 2 is connected to a commutator 4, the rear cover 5 is mounted at one end of the housing 1, the rear cover 5 is connected to the housing 1 through screws, mounting grooves 9 are formed in both sides of an inner wall of the rear cover 5, two carbon brushes 6 are respectively mounted on both sides of the commutator 4, end portions of the carbon brushes 6 are in contact with an outer side wall of the commutator 4, the carbon brushes 6 are slidably disposed inside the carbon brush box 7, one end of each carbon brush 6 penetrates through the carbon brush box 7 to extend outward, the other end of each carbon brush 6 is connected to the inner wall of the carbon brush box 7 through a spring 8, and the carbon brush box 7 is mounted inside the mounting grooves 9 and is in threaded connection with the rear cover 5 through a mounting bolt 10.

Referring to fig. 2, an insulating plate 15 is fixed to an end of the carbon brush box 7, and a distance between two ends of the insulating plate 15 is greater than a width of a port of the mounting groove 9.

When the carbon brush box is fixed: the utility model discloses a brush box, including casing 1, rear cover 5, brush box 7, spring 8, brush box, rear cover 5, rear cover 7, rear cover 5's one end is dismantled at first, then will one by one put into the inside mounting groove 9 of rear cover 5 respectively with brush box 7, can realize the installation to brush box 7, and brush box 7 inside carbon brush 6 will stretch out under the promotion of spring 8, insert the screw hole 12 on the rear cover through construction bolt 10 after the installation is accomplished, can realize the fixing to brush box 7, realize the stability of installation between brush box 7 and rear cover 5 inner wall, avoid 3 circumstances that drive power is great of pivot causes rocking of brush box 7, the stability that brush box 7 placed has been increased, avoid brush box 7 to rock in the inside level of rear cover and vertical direction, it is spacing by construction bolt on the axis of pivot, avoid brush box to go out from the inside of mounting groove, the security in the use has been increased, make things convenient for brush box 7 to dismantle the convenience of brush box 7 dismantlement, after brush box 7 is accomplished, rear cover 5 one end of casing is gone into to the one end of casing, and the realization of the inside brush box 5 is located the commutator box 4, and brush box 7, the contact between the brush box 4, the brush box is installed after the convenience is realized.

Example 2

Referring to fig. 2, this embodiment further illustrates embodiment 1, in which a housing 1, a rear cover 5, and carbon brushes 6 are shown in the figure, an iron core 2 is disposed inside the housing 1, a rotating shaft 3 is mounted at one end of the iron core 2, the other end of the iron core 2 is connected to a commutator 4, the rear cover 5 is mounted at one end of the housing 1, and the rear cover 5 is connected to the housing 1 through screws, mounting grooves 9 are formed on both sides of an inner wall of the rear cover 5, two carbon brushes 6 are respectively mounted on both sides of the commutator 4, end portions of the carbon brushes 6 are in contact with an outer side wall of the commutator 4, the carbon brushes 6 are slidably disposed inside a carbon brush box 7, one end of each carbon brush 6 penetrates through the carbon brush box 7 to extend outward, the other end of each carbon brush 6 is connected to an inner wall of the carbon brush box 7 through a spring 8, the carbon brush box 7 is mounted inside the mounting groove 9, and is in threaded connection with the rear cover 5 through a mounting bolt 10;

referring to fig. 3, in the figure, both sides of the mounting groove 9 are provided with a limiting slot 11, both sides of the limiting slot 11 are provided with a threaded hole 12, the threaded hole 12 is respectively communicated with the limiting slot 11 and the mounting groove 9, and the mounting bolt 10 is threaded inside the threaded hole 12;

referring to fig. 2, a restriction plate 13 is inserted into the restriction slot 11, one end of the restriction plate 13 is fixedly connected to one side of the carbon brush box 7, and a through hole 14 aligned with the threaded hole 12 is formed in the restriction plate 13.

In this embodiment, through having seted up spacing slot 11 in the inside of mounting groove 9, and insert in spacing slot 11 and be equipped with the about board 13 with 7 end fixed connection of carbon brush box, can realize the stability that carbon brush box 7 placed in the inside of mounting groove 9, avoid the slip of carbon brush box 7 in vertical direction and horizontal direction top, increased the security of placing.

Example 3

Referring to fig. 1, in this embodiment, for further explanation of other embodiments, in the drawings, a housing 1, a back cover 5 and carbon brushes 6 are illustrated, an iron core 2 is disposed inside the housing 1, a rotating shaft 3 is mounted at one end of the iron core 2, the other end of the iron core 2 is connected to a commutator 4, the back cover 5 is mounted at one end of the housing 1, the back cover 5 is connected to the housing 1 through screws, mounting grooves 9 are formed in both sides of an inner wall of the back cover 5, two carbon brushes 6 are respectively mounted on both sides of the commutator 4, end portions of the carbon brushes 6 are in contact with an outer side wall of the commutator 4, the carbon brushes 6 are slidably disposed inside a carbon brush box 7, one ends of the carbon brushes 6 penetrate through the carbon brush box 7 to extend outward, the other ends of the carbon brushes 6 are connected to an inner wall of the carbon brush box 7 through springs 8, the carbon brush box 7 is mounted inside the mounting grooves 9, and is in threaded connection with the back cover 5 through mounting bolts 10.

Referring to fig. 1, a junction box 16 connected to the commutator 4 by wires is fixedly disposed above the rear cover 5;

referring to fig. 2, an end of the carbon brush 6 away from the commutator 4 and an inner wall of the carbon brush box 7 are both fixedly provided with an insulating base.

In this embodiment, the terminal box 16 electrically connected to the commutator 4 is disposed on the rear cover 5, wherein a guide in the terminal box 16 penetrates through the rear cover 5 and extends inward to be electrically connected to the carbon brush 6, the carbon brush 6 is in contact with the outer side wall of the commutator 4, so that the electrical connection with the commutator 4 can be realized, and for installation of the guide, a wiring groove (not shown in the drawings) is disposed inside the rear cover 5 to facilitate guiding and wiring; meanwhile, an insulating seat is arranged between the carbon brush 6 and the carbon brush box 7, so that the electric conduction between the carbon brush 6 and the carbon brush box 7 can be avoided, the danger caused by the fact that the rear cover 5 is electrified is avoided, and the use safety is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A series motor with a brush carbon assembly, comprising:

the motor comprises a shell (1), wherein an iron core (2) is arranged inside the shell (1), a rotating shaft (3) is installed at one end of the iron core (2), and the other end of the iron core (2) is connected with a commutator (4);

the rear cover (5) is installed at one end of the shell (1), the rear cover (5) is connected with the shell (1) through screws, and mounting grooves (9) are formed in two sides of the inner wall of the rear cover (5);

carbon brush (6), quantity is two carbon brush (6) install respectively in the both sides of commutator (4), just the tip of carbon brush (6) with the lateral wall of commutator (4) contacts, the inside of carbon brush box (7) is located in carbon brush (6) slip, the one end of carbon brush (6) is run through carbon brush box (7) outwards extend, the other end of carbon brush (6) with connect through spring (8) between the inner wall of carbon brush box (7), carbon brush box (7) installation with the inside of mounting groove (9), and through construction bolt (10) with back lid (5) threaded connection.

2. A series excited machine with a brushed carbon assembly as claimed in claim 1, wherein: spacing slot (11) have all been seted up to the both sides of mounting groove (9), threaded hole (12) have all been seted up to the both sides of spacing slot (11), and threaded hole (12) respectively with spacing slot (11) with mounting groove (9) are linked together, construction bolt (10) screw thread is located the inside of threaded hole (12).

3. A series excited machine with a brushed carbon assembly as claimed in claim 2, wherein: a restraint plate (13) is inserted into the limiting slot (11), one end of the restraint plate (13) is fixedly connected with one side of the carbon brush box (7), and a through hole (14) aligned with the threaded hole (12) is formed in the restraint plate (13).

4. A series excited machine with a brushed carbon assembly as claimed in claim 3, wherein: the end part of the carbon brush box (7) is fixedly provided with an insulating plate (15), and the distance between the two ends of the insulating plate (15) is greater than the width of the port of the mounting groove (9).

5. A series excited machine with a brushed carbon assembly as claimed in claim 1, wherein: and a junction box (16) connected with the commutator (4) through wires is fixedly arranged above the rear cover (5).

6. A series excited machine with a brushed carbon assembly as claimed in claim 1, wherein: and an insulating seat is fixedly arranged at one end of the carbon brush (6) far away from the commutator (4) and the inner wall of the carbon brush box (7).