CN203312607U

CN203312607U - Motor carbon brush frame

Info

Publication number: CN203312607U
Application number: CN2013203623876U
Authority: CN
Inventors: 应国庆
Original assignee: NINGBO YINZHOU XINJIA MOTOR FACTORY
Current assignee: NINGBO YINZHOU XINJIA MOTOR FACTORY
Priority date: 2013-06-21
Filing date: 2013-06-21
Publication date: 2013-11-27
Anticipated expiration: 2023-06-21

Abstract

The utility model provides a motor carbon brush frame and belongs to the technical field of motors. The utility model provides a solution for the technical problem that a carbon brush frame in the prior art is not easy to disassemble and assemble and is thus inconvenient in maintenance and internal cleaning. The technical scheme of the utility model is that the motor carbon brush frame comprises a square carbon brush frame and a carbon brush frame cover fixed on the rear end of the carbon brush frame, a spring and a carbon brush are arranged in the carbon brush frame, a kerf is arranged downwards on the upper surface of the carbon brush frame to divide the upper surface of the carbon brush frame into a front part and a rear part, an elastic retaining block is arranged on the front-end section of the kerf, a limiting part is arranged on the rear end of the kerf, a motor is provided with an installation channel corresponding to the carbon brush frame, a limiting hole is arranged in the upper surface of the installation channel to enable the front end of the installation channel to form a clamping plate, and the clamping plate is clamped between the elastic retaining block and the limiting part after the carbon brush frame is inserted in the installation channel. The motor carbon brush frame has the advantage that the motor carbon brush frame is easy to disassemble and assemble, which facilitates carbon brush replacement and daily carbon brush maintenance and cleaning.

Description

A kind of carbon brush frame for motor

Technical field

The utility model belongs to technical field of motors, relates to a kind of carbon brush frame for motor.

Background technology

Carbon brush holder is the important component part of motor, its effect is pressure to be added on the carbon brush contacted with commutator or collector ring surface sliding by spring, make its conduction current stably between fixed body and rotary body, under the elastic force effect of spring, carbon brush all the time with commutator or collector ring Surface Contact, so motor circuit remains UNICOM's state.

Existing carbon brush holder is arranged on motor housing, the support body that mainly comprises a hollow and end sealing, support body inner sealing end is equipped with spring, the other end of spring be equipped with that carbon brush and carbon brush stretch out beyond support body and with commutator or collector ring Surface Contact, this carbon brush holder has a shortcoming, carbon brush holder is all generally to be fixed on motor housing by connectors such as screws, perhaps with other fixed form, be fixed on motor housing, because carbon brush holder is to be fixedly mounted on motor housing, carbon brush holder is not easy to assemble, therefore change carbon brush or the daily inspection of carbon brush holder, breakdown maintenance, all extremely inconvenience of the inner carbon slag cleaning of carbon brush holder, so affect the normal operation of motor, also reduced the operating efficiency of motor.

The utility model content

The purpose of this utility model is to have the problems referred to above for existing technology, proposed a kind of easy to assemble, be convenient for changing carbon brush or the inner carbon brush frame for motor of talking slag of cleaning carbon brush.

The purpose of this utility model can realize by following technical proposal: a kind of carbon brush frame for motor, be arranged on motor, comprise the straight-through square body carbon brush holder of an interior sky and the carbon brush holder lid that is fixed on the carbon brush holder rear end, carbon brush holder inside is provided with spring and carbon brush, the upper surface of described carbon brush holder offers a section downwards and the carbon brush holder upper surface is divided into to front and back two parts, before described section, end section is extended the flexible block be upturned to the carbon brush holder rear end, the carbon brush holder upper surface of described section rear end is provided with the limiting section of a projection, on motor, be provided with carbon brush holder passage is installed accordingly, the upper surface of installation passage offers a spacing hole and makes to install front end formation one block board of passage, after carbon brush holder inserts passage is installed, block board is stuck between flexible block and limiting section.

In above-mentioned a kind of carbon brush frame for motor, the rear end of described carbon brush holder extends outward two lugs, and described carbon brush holder covers correspondence and is provided with two fixing holes, and above-mentioned lug passes crooked after fixing hole and the carbon brush holder lid is fixed on carbon brush holder.

Compared with prior art, the utlity model has following beneficial effect: after carbon brush holder inserts the installation passage of motor, flexible block and limiting section block block board, carbon brush holder is fixed on motor, and in the external force situation by flexible block to press down and keep flexible block and the carbon brush holder upper surface in the same plane, now carbon brush holder can be pulled down from motor easily, so makes the easy dismounting of carbon brush holder, and is convenient for changing maintenance and the cleaning of carbon brush and daily carbon brush.

The accompanying drawing explanation

Fig. 1 is the positive perspective view of a kind of carbon brush frame for motor of the utility model.

Fig. 2 is the reverse side perspective view of a kind of carbon brush frame for motor of the utility model.

Fig. 3 is the perspective view of the carbon brush holder lid in a kind of carbon brush frame for motor of the utility model.

Fig. 4 is that perspective view is installed in the combination of a kind of carbon brush frame for motor of the utility model and motor.

In figure, 1, carbon brush holder; 11, flexible block; 12, limiting section; 13, lug; 2, carbon brush holder lid; 21, fixing hole; 3, motor; 31, block board.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As Fig. 1-shown in Figure 4, the utility model 1, a kind of carbon brush frame for motor, be arranged on motor 3, comprise the straight-through square body carbon brush holder of an interior sky 1 and the carbon brush holder lid 2 that is fixed on carbon brush holder 1 rear end, carbon brush holder 1 inside is provided with spring and carbon brush, the upper surface of described carbon brush holder 1 offers a section downwards and carbon brush holder 1 upper surface is divided into to front and back two parts, before described section, end section is extended the flexible block 11 be upturned to carbon brush holder 1 rear end, carbon brush holder 1 upper surface of described section rear end is provided with the limiting section 12 of a projection, on motor 3, be provided with and the corresponding passage of installing of carbon brush holder 1, the upper surface of installation passage offers a spacing hole and makes to install front end formation one block board 31 of passage, after carbon brush holder 1 inserts passage is installed, block board 31 is stuck between flexible block 11 and limiting section 12.

When carbon brush holder 1 inserts the installation passage of motor 3, block board 31 by flexible block 11 to pressing down and make carbon brush holder 1 to enter easily the installation passage, carbon brush holder 1 enters to be installed after passage flexible block 11 and under the elastic force effect, rises and exceed block board 31, when moving backward, limited by block board 31 carbon brush holder 1, after entering the installation passage, limiting section 12 makes carbon brush holder 1 to move forward, flexible block 11 and limiting section 12 block block board 31, carbon brush holder 1 is fixed on motor, and in the external force situation by flexible block 11 to pressing down and keeping flexible block 11 and carbon brush holder 1 upper surface in the same plane, now carbon brush holder 1 can be pulled down from motor 3 easily, so make the easy dismounting of carbon brush holder 1, and be convenient for changing maintenance and the cleaning of carbon brush and daily carbon brush.

The rear end of carbon brush holder 1 extends outward two lugs 13, and on described carbon brush holder lid 2, correspondence is provided with two fixing holes 21, and above-mentioned lug 13 passes the rear bending of fixing hole 21 and carbon brush holder lid 2 is fixed on carbon brush holder 1; Carbon brush holder 1 is fixed on motor 3, carbon brush with motor internal commutator or collector ring friction process in can the many carbon slags of Chen Sheng and enter carbon brush holder 1 inside, and carbon brush holder lid 2 adopts fixing 2 dismountings that can facilitate the carbon brush holder lid of this kind mode with carbon brush holder 1, be conducive to the cleaning of the inner carbon slag of carbon brush holder 1, and carbon brush holder 1 in use has certain wearing and tearing, but carbon brush holder lid 2 can not, therefore when the frayed needs of carbon brush holder 1 are changed, only need to change carbon brush holder 1 just, carbon brush holder lid 2 is reusable, has so saved cost.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. carbon brush frame for motor, be arranged on motor (3), the carbon brush holder that comprises the square body carbon brush holder (1) that an interior sky is straight-through and be fixed on carbon brush holder (1) rear end covers (2), carbon brush holder (1) inside is provided with spring and carbon brush, it is characterized in that: the upper surface of described carbon brush holder (1) offers a section downwards and carbon brush holder (1) upper surface is divided into to front and back two parts, before described section, end section is extended the flexible block (11) be upturned to carbon brush holder (1) rear end, carbon brush holder (1) upper surface of described section rear end is provided with the limiting section (12) of a projection, on motor (3), be provided with carbon brush holder (1) passage is installed accordingly, the upper surface of installation passage offers a spacing hole and makes to install front end formation one block board (31) of passage, after carbon brush holder (1) inserts passage is installed, block board (31) is stuck between flexible block (11) and limiting section (12).

2. a kind of carbon brush for electric machine device according to claim 1, it is characterized in that: the rear end of described carbon brush holder (1) extends outward two lugs (13), the upper correspondence of described carbon brush holder lid (2) is provided with two fixing holes (21), and above-mentioned lug (13) passes the rear bending of fixing hole (21) and carbon brush holder lid (2) is fixed on carbon brush holder (1).