CN216981675U

CN216981675U - Direct current motor brush holder assembly convenient to assemble

Info

Publication number: CN216981675U
Application number: CN202123121476.5U
Authority: CN
Inventors: 潘晋; 程润生; 刘永健
Original assignee: Anhui Wannan Xin Wei Electric Machine Co
Current assignee: Anhui Wannan Xin Wei Electric Machine Co
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-15
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to a direct current motor brush holder assembly convenient to assemble, which comprises a rear end cover, a brush holder ring, a brush holder and an electric brush, wherein a second nut is detachably connected between the brush holder ring and the rear end cover, a third nut is detachably connected between the brush holder ring and the brush holder, the electric brush is telescopically inserted in the brush holder, a positioning mechanism is rotatably connected on the brush holder ring, and two ends of the positioning mechanism are in contact with the electric brush. According to the utility model, the positioning mechanism is arranged, the brush holder ring is fixedly connected to the rear end cover through the second nut, the brush holder is fixed on the brush holder ring through the third nut, the positioning mechanism is rotated, two ends of the positioning mechanism are in contact with the brush holder, the brush holder is continuously adjusted without being observed by naked eyes, then the electric brush is inserted on the brush holder, the electric brush is in contact with the positioning mechanism, and at the moment, two electric brushes are ensured to be on the same horizontal plane, the installation speed of the brush holder assembly is accelerated, and the working efficiency is improved.

Description

Direct current motor brush holder assembly convenient to assemble

Technical Field

The utility model relates to the technical field of direct current motors, in particular to a direct current motor brush holder assembly convenient to assemble.

Background

The direct current motor is a rotating electrical machine which can convert direct current electrical energy into mechanical energy (a direct current motor) or convert mechanical energy into direct current electrical energy (a direct current generator), and is a motor which can realize mutual conversion of direct current electrical energy and mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy. The brush holder assembly needs to be installed in the direct current motor and is assembled, the electric brushes need to be in symmetrical positions when the brush holder assembly is assembled, the brush holder position needs to be continuously adjusted when the brush holder assembly is assembled in the prior art, the position of the electric brushes is changed by adjusting the brush holder, more time is consumed for installation, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the direct current motor brush holder assembly which is convenient to assemble, and the specific technical scheme is as follows:

the direct current motor brush holder assembly convenient to assemble comprises a rear end cover, a brush holder ring, a brush holder and an electric brush, wherein a second nut is connected between the brush holder ring and the rear end cover in a detachable mode, a third nut is connected between the brush holder ring and the brush holder in a detachable mode, the electric brush is inserted in the brush holder in a telescopic mode, a positioning mechanism is connected to the brush holder ring in a rotating mode, two ends of the positioning mechanism are in contact with the electric brush in a butting mode, and the positioning mechanism rotates at ninety degrees.

As an improvement of the above technical scheme, the brush holder includes a first brush plate, a second brush plate and a third brush plate, one side of the first brush plate is fixedly connected with the second brush plate, the other side of the first brush plate is fixedly connected with the third brush plate, a first limit hole is formed in the first brush plate, the brush is inserted in the first limit hole in a sliding manner, a second limit hole is formed in the second brush plate, a pressure spring is clamped in the second limit hole, a pressing sheet on the pressure spring presses the brush, a third limit hole is formed in the third brush plate, and a bolt is inserted in the third limit hole.

As the improvement of above-mentioned technical scheme, positioning mechanism includes rotary rod, locating plate and connecting rod, the rotary rod bottom rotates the axle center department of connecting the brush holder circle, top and connecting rod fixed connection, the connecting rod is U type structure, set up the rotatory spacing spout that supplies the connecting rod on the brush holder circle, locating plate fixed connection is on the rotary rod, the locating plate is close to brush one side and is the arc structure, and locating plate and brush contact, threaded connection has first nut on the rear end cap.

The utility model has the beneficial effects that: through positioning mechanism's setting, pass through second nut fixed connection with the brush holder circle on the rear end cover, then use the third nut to fix the brush holder on the brush holder circle, the brush holder is provided with four, and two liang of mutual symmetry sets up, peg graft positioning mechanism on the brush holder circle this moment, through rotary positioning mechanism, and make positioning mechanism both ends and brush holder contact, need not the naked eye and watch through constantly adjusting the brush holder, then peg graft the brush on the brush holder, the brush contacts with positioning mechanism this moment, then can guarantee two liang of brushes on same horizontal plane this moment, accelerate the installation rate of brush holder assembly, and the work efficiency is improved.

Drawings

FIG. 1 is a bottom view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a brush holder according to the present invention;

fig. 4 is a schematic structural view of the pressure spring of the present invention.

Reference numerals: 1. a rear end cap; 11. a first nut; 12. a second nut; 2. a brush holder ring; 21. A third nut; 22. a limiting chute; 3. a brush holder; 31. a first brush plate; 311. a first limit hole; 32. a second brush plate; 321. a second limiting hole; 33. a third brush plate; 331. a third limiting hole; 4. A positioning mechanism; 41. rotating the rod; 42. positioning a plate; 43. a connecting rod; 5. an electric brush; 6. and (5) pressing a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 and 2, fig. 1 is a bottom view of the present invention; FIG. 2 is a top view of the present invention.

The direct current motor brush holder assembly of convenient equipment, including rear end housing 1, brush holder ring 2, brush holder 3 and brush 5, the dismantlement formula is connected with second nut 12 between brush holder ring 2 and the rear end housing 1, the dismantlement formula is connected with third nut 21 between brush holder ring 2 and the brush holder 3, the telescopic grafting of brush 5 is in brush holder 3, it is connected with positioning mechanism 4 to rotate on the

brush holder ring

2, 4 both ends of positioning mechanism and brush 5 support the contact formula, positioning mechanism 4 is ninety degree angle rotation.

Wherein the brush holder circle 2 is insulating, the brush holder 3 is the cast aluminium material, setting through positioning mechanism 4, with brush holder circle 2 through second nut 12 fixed connection on rear end cap 1, then use third nut 21 to fix brush holder 3 on brush holder circle 2, brush holder 3 is provided with four, and two liang of mutual symmetry sets up, peg graft positioning mechanism 4 on brush holder circle 2 this moment, through rotational positioning mechanism 4, and make positioning mechanism 4 both ends and brush holder 3 contact, need not the naked eye and watch through constantly adjusting brush holder 3, then peg graft brush 5 on brush holder 3, brush 5 contacts with positioning mechanism 4 this moment, then can guarantee two liang of brush 5 on same horizontal plane this moment, accelerate the installation rate of brush holder assembly, and the work efficiency is improved.

As shown in fig. 2, 3 and 4, fig. 2 is a top view of the present invention; FIG. 3 is a schematic view of a brush holder according to the present invention; fig. 4 is a schematic structural view of the pressure spring of the present invention.

The brush holder 3 comprises a first brush plate 31, a second brush plate 32 and a third brush plate 33, one side of the first brush plate 31 is fixedly connected with the second brush plate 32, the other side of the first brush plate 31 is fixedly connected with the third brush plate 33, a first limit hole 311 is formed in the first brush plate 31, the brush 5 is inserted in the first limit hole 311 in a sliding mode, a second limit hole 321 is formed in the second brush plate 32, a pressure spring 6 is connected in the second limit hole 321 in a clamping mode, a pressing sheet on the pressure spring 6 is pressed on the brush 5, a third limit hole 331 is formed in the third brush plate 33, and a bolt is connected in the third limit hole 331 in an inserting mode.

Through pegging graft brush 5 in

first spacing hole

311, 5 one side of brush at this moment contacts with positioning mechanism 4, the opposite side is used for the wiring, can guarantee the position of brush 5 through positioning mechanism 4's effect, avoid the condition of dislocation appearing when the equipment, when needing to install the brush holder assembly after the equipment on the motor, take off positioning mechanism 4 earlier, in the motor is assembled again, then 6 joints of pressure spring in the spacing hole 321 of second, and the preforming on the pressure spring 6 presses on brush 5 this moment, fix the position of brush 5, make brush 5 and the commutator after the installation contact all the time.

As shown in fig. 2 and 3, fig. 2 is a top view of the present invention; fig. 3 is a schematic view of the brush holder structure of the present invention.

Positioning mechanism 4 includes rotary rod 41, locating plate 42 and connecting rod 43, rotary rod 41 bottom rotates the axle center department of connecting brush holder ring 2, top and connecting rod 43 fixed connection, connecting rod 43 is U type structure, set up on the brush holder ring 2 and supply the rotatory spacing spout 22 of connecting rod 43, locating plate 42 fixed connection is on rotary rod 41, locating plate 42 is close to brush 5 one side and is the arc structure, and locating plate 42 contacts with brush 5, threaded connection has first nut 11 on the rear end cap 1.

By inserting the rotating rod 41 into the brush holder ring 2, the bottom end of the connecting rod 43 is inserted into the limiting sliding groove 22 at the moment, then the rotating rod 41 can be driven to rotate by rotating the connecting rod 43, the rotating rod 41 drives the positioning plate 42 to rotate, and at the moment, one side of the positioning plate 42 is in contact with the first brush plate 31, the position of the brush holder 3 can be ensured during assembly, so that the position of the brush 5 can be on the same horizontal plane, the rotating angle of the rotating rod 41 can be limited by limiting of the limiting sliding groove 22, and the rotating angle of the rotating rod 41 is limited to be 0-90 degrees.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Convenient assembled direct current motor brush holder assembly, including rear end housing (1), brush holder ring (2), brush holder (3) and brush (5), the dismantlement formula is connected with second nut (12) between brush holder ring (2) and rear end housing (1), the dismantlement formula is connected with third nut (21) between brush holder ring (2) and brush holder (3), brush (5) telescopic grafting is in brush holder (3), its characterized in that: the brush holder ring (2) is rotatably connected with a positioning mechanism (4), two ends of the positioning mechanism (4) are in contact with the electric brush (5), and the positioning mechanism (4) rotates at an angle of ninety degrees.

2. The conveniently assembled dc motor brush holder assembly of claim 1, wherein: the brush holder (3) comprises a first brush plate (31), a second brush plate (32) and a third brush plate (33), one side of the first brush plate (31) is fixedly connected with the second brush plate (32), the other side of the first brush plate is fixedly connected with the third brush plate (33), a first limit hole (311) is formed in the first brush plate (31), the electric brush (5) is inserted in the first limit hole (311) in a sliding mode, a second limit hole (321) is formed in the second brush plate (32), a pressure spring (6) is clamped in the second limit hole (321), a pressing sheet on the pressure spring (6) is pressed on the electric brush (5), a third limit hole (331) is formed in the third brush plate (33), and a bolt is inserted in the third limit hole (331).

3. The conveniently assembled dc motor brush holder assembly of claim 1, wherein: positioning mechanism (4) include rotary rod (41), locating plate (42) and connecting rod (43), rotary rod (41) bottom is rotated and is connected the axle center department that brush holder circle (2), top and connecting rod (43) fixed connection, connecting rod (43) are U type structure, set up on brush holder circle (2) and supply connecting rod (43) rotatory spacing spout (22), locating plate (42) fixed connection is on rotary rod (41), locating plate (42) are close to brush (5) one side and are the arc structure, and locating plate (42) contact with brush (5), threaded connection has first nut (11) on rear end cap (1).