CN211859797U

CN211859797U - Brush holder

Info

Publication number: CN211859797U
Application number: CN202020805542.7U
Authority: CN
Inventors: 柯益振; 陈柱峰
Original assignee: Zhejiang Yibao Technology Co ltd
Current assignee: Zhejiang Yibao Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-03
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a brush holder, which comprises an annular mounting seat, a notch is arranged at the rear end of the mounting seat, a mounting block A and a mounting block B are arranged at the front end of the mounting seat, the mounting blocks are fixedly arranged at the rear end of the mounting seat and positioned at the two sides of the notch, a fastener penetrates through the two mounting blocks to realize the relative or opposite movement of the two mounting blocks, brush boxes are hinged with the mounting blocks B in a one-to-one correspondence manner, each brush box comprises an upper mounting plate A and a lower mounting plate A which are arranged oppositely, the outer side plate A that is located the mounting panel side and the front bezel that is located mounting panel A front end have installation axle and mounting plate in the brush box, and the mounting plate slides along the fore-and-aft direction and sets up between upper and lower mounting panel A, and the wire, the wire is installed between mounting bracket and brush box, and spring A, spring A one end are connected with installation piece A, and the other end is connected with the mounting shaft that corresponds on the brush box, and the brush is pressed and is established between the front bezel and the mounting plate of brush box. The utility model provides a brush yoke, easy dismounting to the installation piece position is adjustable, with the brush that adapts to different specifications.

Description

Brush holder

Technical Field

The utility model relates to the technical field of electric machines, specifically, relate to a brush yoke.

Background

The brush holder is an important component of the motor, the function of the brush holder is to apply pressure to the brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring, so that the brush can stably conduct current between the fixed body and the rotating body, and the brush is always in contact with the surface of the commutator or the collecting ring under the action of the elastic force of the spring, so that the circuit of the motor is always kept in a communicated state. The existing brush holder is inconvenient to disassemble, so that part of parts are inconvenient to replace, when part of parts inside the brush holder are damaged, the brush holder is inconvenient to replace and carbon slag is inconvenient to clean, and the maintenance cost of the device is increased; and meanwhile, the accommodating cavity for installing the electric brush on the electric brush frame can not be adjusted according to the size of the electric brush, so that the electric brush frame is suitable for electric brushes of different specifications, and the use has limitation.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a brush yoke, brush yoke easy dismounting to the installation piece position is adjustable, with the brush that adapts to different specifications.

The technical scheme of the utility model: a brush holder is used on an electric brush and comprises a brush holder body,

the mounting seat is arranged in a ring shape, the rear end of the mounting seat is provided with a notch, the front end of the mounting seat is provided with a mounting block A and mounting blocks B positioned at two sides of the mounting block A,

two mounting racks, the mounting racks are fixedly arranged at the rear end of the mounting seat and positioned at two sides of the gap,

the fastener penetrates through the two mounting racks to realize the relative or opposite movement of the two mounting racks,

the brush boxes are hinged with the mounting blocks B in a one-to-one correspondence manner, each brush box comprises an upper mounting plate A, a lower mounting plate A, an outer side plate A and a front plate, the upper mounting plate A, the outer side plate A and the front plate are oppositely arranged, the outer side plate A is positioned on the side edge of the mounting plates, the front plate is positioned at the front end of the mounting plates A, the upper mounting plate A, the lower mounting plate A, the outer side plate A and the front plate form a containing groove, the rear ends of the upper mounting plate A and the lower mounting plate A are respectively clamped with the upper end face and the lower end face of the mounting blocks B, a hinge shaft penetrates between the upper mounting plate A and the lower mounting plate A and the mounting blocks B to form rotating fit between the brush boxes and the mounting blocks B, a mounting shaft and,

two wires are positioned at two sides of the mounting seat, the rear ends of the wires are arranged between the mounting frame and the mounting seat, the front ends of the wires penetrate between the outer side plate A and the mounting block B and extend into the brush box,

two springs A, the springs A correspond to the brush boxes one by one, one end of each spring A is connected with the mounting block A, the other end of each spring A is connected with the mounting shaft on the corresponding brush box,

the brush is also provided with two corresponding to the brush box, and the brush is pressed between the front plate and the mounting sheet of the brush box.

By adopting the technical scheme, the brush holder is convenient to disassemble and assemble, and the position of the mounting piece is adjustable so as to adapt to electric brushes with different specifications. Assembling a brush holder, wherein two mounting frames are fixedly arranged at the rear end of a mounting seat and positioned at two sides of a gap, a hinge shaft is arranged between a brush box and a corresponding mounting block B in a penetrating way, a mounting shaft is fixedly arranged between an upper mounting plate A and a lower mounting plate A of the brush box, a mounting sheet is arranged between the upper mounting plate A and the lower mounting plate A in a sliding way along the front-back direction, a lead is arranged between the mounting seat and the brush box in a penetrating way, one end of a spring A is connected with the mounting block A, the other end of the spring A is connected with the mounting shaft of the corresponding brush box, assembling electric brushes, pushing the mounting sheet backwards to be far away from a front plate, two electric brushes are arranged between the front plate of the corresponding brush box and the mounting sheet, pushing the mounting sheet forwards to press the electric brushes on the front plate, locking the mounting sheet by a locking mechanism to realize that the electric brushes are fixed on the brush box, the brush box can be, relative motion is made to two mounting brackets of fastener drive, and the mounting bracket drives the shrink of mount pad breach, and the mount pad internal diameter reduces to realize holding tightly to the erection column on the motor, and the brush yoke is fixed on the motor, and the erection column is located the mount pad atress even, has avoided originally adopting the fastener directly to extrude the mount pad on the erection column for the erection column is because the effect of fastener tip, and the atress is inhomogeneous, and produces the skew.

The utility model discloses a further setting again: locking mechanical system including set up on the fixed axle on the installation piece, go up mounting panel A and supply the spout that the fixed axle extends, be located the fixed axle of spout outer cover be equipped with rather than threaded connection's fastening nut, fastening nut conflict form the locking to the installation piece on last mounting panel A.

Adopt above-mentioned further setting again, structural design is reasonable, and the installation piece locking is convenient. When fastening nut left mounting panel A, the fixed axle then can slide around in the spout, and the installation piece slides around the holding intracavity, fastening nut conflict can form the locking of installation piece in the front and back direction on last mounting panel A.

The utility model discloses a further setting again: the mounting bracket including relative upper and lower mounting panel B that sets up, be located the inside and outside curb plate B of mounting panel B both sides and be located the back plate of mounting panel B rear end from top to bottom, upper and lower mounting panel B, inside and outside curb plate B and back plate integrated into one piece, the upper and lower terminal surface of establishing the mount pad rear end is pressed from both sides respectively to upper and lower mounting panel B's front end, outer panel B extends forward and has the conflict piece that is used for conflicting the wire in the mount pad periphery, the fastener be the screw rod, the cover is equipped with the spring on the screw rod, the inner panel B of two mounting brackets of spring conflict.

Adopt the aforesaid to further set up again, mounting bracket simple structure, upper and lower mounting panel B, inside and outside curb plate B and back plate integrated into one piece, processing is convenient, with the simple to operate of mount pad, and on the spring touched the interior curb plate B of two mounting brackets, the realization avoided becoming flexible to the rising of mounting bracket, and the conflict piece is convenient for support the wire and is pressed on the mount pad.

The utility model discloses a still further set up: the mounting piece is obliquely arranged.

By adopting the above further arrangement, the contact brush can be conveniently abutted to contact with the surface of the commutator or the collecting ring of the motor forwards.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

fig. 3 is a partial enlarged view of a portion II in fig. 1.

The brush box comprises a mounting seat 100, a notch 110, a mounting block A120, a mounting block B121, a mounting frame 200, a fastener 300, a brush box 400, an upper mounting plate A410, a lower mounting plate A410, an outer side plate A420, a front plate 430, a hinge shaft 440, a mounting shaft 450, a mounting plate 460, a locking mechanism 470, a lead 500, a spring A600, a fixing shaft 471, a sliding groove 472, a fastening nut 473, an upper mounting plate B210, a lower mounting plate B220, a rear plate 230, a contact piece 221 and a spring B240.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications (such as up, down, front, and back … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "a", "B", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in figures 1-3, the brush holder of the utility model is used on an electric brush, the brush holder comprises,

the mounting seat 100 is annularly arranged, a gap 110 is arranged at the rear end of the mounting seat 100, a mounting block A120 and mounting blocks B121 positioned at two sides of the mounting block A120 are arranged at the front end,

two mounting brackets 200, the mounting brackets 200 are fixedly arranged at the rear end of the mounting seat 22 and positioned at two sides of the gap 110,

the fastener 300 is arranged on the two mounting racks 200 in a penetrating way, so that the two mounting racks 200 can move oppositely or oppositely,

two brush boxes 400, the brush boxes 400 are hinged with the mounting block B121 in a one-to-one correspondence manner, each brush box 400 comprises an upper mounting plate A410, a lower mounting plate A410, an outer side plate A420 and a front plate 430, the upper mounting plate A410, the outer side plate A420 and the front plate 430 are oppositely arranged, the upper mounting plate A410, the lower mounting plate A410, the outer side plate A420 and the front plate 430 are oppositely arranged, a containing groove is formed by the upper mounting plate A410, the rear ends of the upper mounting plate A410 and the lower mounting plate A410 are respectively clamped on the upper end face and the lower end face of the mounting block B121, a hinge shaft 440 penetrates between the upper mounting plate A410 and the lower mounting plate A410 and the mounting block B121 to form a rotating fit between the brush boxes 400 and the mounting block B121, a mounting shaft 450 and a mounting plate 460 are arranged in the containing groove, the mounting shaft 450 is fixedly,

two wires 500, the wires 500 are located at two sides of the mounting base 100, the rear end of the wire 500 is installed between the mounting base 200 and the mounting base 100, the front end of the wire 500 is inserted between the outer plate A241 and the mounting block B121 and extends into the brush box 400,

two springs A600, the springs A600 correspond to the brush boxes 400 one by one, one end of each spring A600 is connected with the mounting block A120, the other end is connected with the mounting shaft 450 on the corresponding brush box 400,

two brushes are provided corresponding to the brush box 400, and the brushes are pressed between the front plate 234 and the mounting plate 460 of the brush box 400.

Specifically, the mounting piece 460 is disposed obliquely.

The brush yoke is convenient to disassemble and assemble, and the position of the mounting piece is adjustable so as to adapt to electric brushes with different specifications. Assembling a brush holder, wherein two mounting frames are fixedly arranged at the rear end of a mounting seat and positioned at two sides of a gap, a hinge shaft is arranged between a brush box and a corresponding mounting block B in a penetrating way, a mounting shaft is fixedly arranged between an upper mounting plate A and a lower mounting plate A of the brush box, a mounting sheet is arranged between the upper mounting plate A and the lower mounting plate A in a sliding way along the front-back direction, a lead is arranged between the mounting seat and the brush box in a penetrating way, one end of a spring A is connected with the mounting block A, the other end of the spring A is connected with the mounting shaft of the corresponding brush box, assembling electric brushes, pushing the mounting sheet backwards to be far away from a front plate, two electric brushes are arranged between the front plate of the corresponding brush box and the mounting sheet, pushing the mounting sheet forwards to press the electric brushes on the front plate, locking the mounting sheet by a locking mechanism to realize that the electric brushes are fixed on the brush box, the brush box can be, relative motion is made to two mounting brackets of fastener drive, and the mounting bracket drives the shrink of mount pad breach, and the mount pad internal diameter reduces to realize holding tightly to the erection column on the motor, and the brush yoke is fixed on the motor, and the erection column is located the mount pad atress even, has avoided originally adopting the fastener directly to extrude the mount pad on the erection column for the erection column is because the effect of fastener tip, and the atress is inhomogeneous, and produces the skew.

The utility model discloses a concrete embodiment, locking mechanical system 470 including set up on the fixed axle 471 of installation piece 460, go up mounting panel A410 and supply spout 472 that the fixed axle 471 extends, be located spout 472 outer fixed axle 471 of spout 471 cover be equipped with rather than threaded connection's fastening nut 473, fastening nut 473 contradict and form the locking to installation piece 460 on last mounting panel A410. Structural design is reasonable, and the installation piece locking is convenient. When fastening nut left mounting panel A, the fixed axle then can slide around in the spout, and the installation piece slides around the holding intracavity, fastening nut conflict can form the locking of installation piece in the front and back direction on last mounting panel A.

Specifically, the fixed axle including axis body A with be located the outside axis body B of axis body A, axis body A and axis body B normal running fit, axis body A and installation piece fixed connection, fastening nut and axis body B threaded connection, the brush contradict with rotor plate one end, be equipped with the spring between the rotor plate other end and the outer panel A. The spring is abutted against the other end of the rotating sheet, and the rotating sheet can swing to drive one end of the rotating sheet to drive the electric brush to move forwards.

The utility model discloses a specific embodiment, mounting bracket 200 including relative upper and lower mounting panel B210 that sets up, be located the interior outer panel B220 of mounting panel B210 both sides and be located the back plate 230 of mounting panel B210 rear end from top to bottom, upper and lower mounting panel B210, interior outer panel B220 and back plate 230 integrated into one piece, the upper and lower terminal surface of establishing the mount pad 100 rear end is pressed from both sides respectively to the front end of upper and lower mounting panel B210, outer panel B220 extends forward has and is used for contradicting the conflict piece 221 in the mount pad 100 periphery with wire 500, fastener 300 be the screw rod, the cover is equipped with spring B240 on screw rod 23, spring B240 contradicts the inner panel B220 of two mounting brackets 200. Mounting bracket simple structure, upper and lower mounting panel B, inside and outside curb plate B and backplate integrated into one piece, processing is convenient, with the simple to operate of mount pad, and spring B240 touches on the interior curb plate B of two mounting brackets, realizes avoiding not hard up to the rising of mounting bracket, and the conflict piece is convenient for support the wire and press on the mount pad.

Claims

1. A brush holder used on an electric brush is characterized in that the brush holder comprises a brush body,

the brush boxes are hinged with the mounting blocks B in a one-to-one correspondence manner, each brush box comprises an upper mounting plate A, a lower mounting plate A, an outer side plate A and a front plate, the upper mounting plate A, the outer side plate A and the front plate are oppositely arranged, the outer side plate A is positioned on the side edge of the mounting plate A, the front plate is positioned at the front end of the mounting plate A, the upper mounting plate A, the lower mounting plate A, the outer side plate A and the front plate form a containing groove, the rear ends of the upper mounting plate A and the lower mounting plate A are respectively clamped with the upper end face and the lower end face of the mounting block B, a hinge shaft penetrates between the upper mounting plate A and the lower mounting plate A and the mounting block B to form rotating fit between the brush boxes and the mounting blocks B, a mounting shaft and,

2. The brush holder according to claim 1, wherein the locking mechanism comprises a fixing shaft disposed on the mounting plate, a sliding groove disposed on the upper mounting plate a along the front-rear direction for extending the fixing shaft, and a fastening nut disposed on the fixing shaft outside the sliding groove and in threaded connection therewith, wherein the fastening nut abuts against the upper mounting plate a to lock the mounting plate.

3. The brush holder according to claim 2, wherein the mounting bracket comprises an upper mounting plate B, an outer side plate B and a rear plate, the upper mounting plate B, the outer side plate B and the rear plate are arranged oppositely, the inner side plate B is arranged on two sides of the mounting plate B, the rear plate is arranged at the rear end of the upper mounting plate B, the inner side plate B and the outer side plate B are integrally formed, the front end of the upper mounting plate B and the front end of the lower mounting plate B are respectively clamped with an upper end face and a lower end face of the rear end of the mounting seat, the outer side plate B extends forwards to be provided with a contact piece for contacting a wire at the periphery of the mounting seat, the fastener is a screw rod, a spring is.

4. A brush holder according to claim 3, wherein said mounting plate is inclined.