CN216312824U

CN216312824U - Improve brush mounting structure of brush box

Info

Publication number: CN216312824U
Application number: CN202122659247.2U
Authority: CN
Inventors: 颜飞
Original assignee: Zigong Ansheng Xincai Electromechanical Co ltd
Current assignee: Zigong Ansheng Xincai Electromechanical Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-15
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an improved brush mounting structure of a brush box, which comprises a bottom plate, wherein a through hole is arranged in the middle of the bottom plate, two brush boxes are symmetrically mounted at the upper end of the bottom plate around the center of the through hole, brush blocks are respectively inserted in the two brush boxes, an elastic mechanism is respectively mounted on the two brush boxes and is connected with the brush blocks, a conductive cable is connected at the upper end of each brush block, the lower end of the conductive cable is connected with the bottom plate, first U-shaped grooves are respectively formed at the left end and the right end of each brush box, a second U-shaped groove is formed at the upper end of each brush box, connecting plates are respectively arranged at the left side and the right side of one end of each brush box, the elastic mechanisms which can be mounted on the brush boxes are arranged, a fixing structure for mounting a torsion spring or a volute spring is not required to be arranged on the bottom plate, so that the whole volume of a brush assembly is reduced, meanwhile, a mounting lug is arranged on the bottom plate, a mounting plate is arranged on each brush box, and the brush boxes are fixed through screws, the brush box is more convenient to assemble and disassemble.

Description

Improve brush mounting structure of brush box

Technical Field

The utility model belongs to the technical field of electric brushes, and particularly relates to an electric brush mounting structure for an improved electric brush box.

Background

The electric brush needs to be tightly attached to the commutator when in work, the common electric brush is arranged in the electric brush box when in use, and in order to enable the electric brush to be tightly attached to the commutator, an elastic component is generally arranged at the tail end of the electric brush box to provide elasticity for the electric brush.

Current brush box is when setting up elastomeric element, because brush box afterbody space is less, generally can set up torsional spring or volute spring at the brush box side, because torsional spring and volute spring shape are special, generally can set up specific mounting structure and let the bit architecture on the brush assembly, use torsional spring and volute spring to make the whole bulky of brush assembly great moreover, be difficult to satisfy the demand of volume miniaturization. In addition, because the bottom plate of the electric brush assembly is thin, the electric brush box is mostly riveted when being fixed, the bottom of the electric brush box is provided with riveting pins, and the bottom plate is provided with riveting holes, so that the electric brush box is not easy to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved brush mounting structure of a brush box, which aims to solve the problems that the brush assembly in the prior art is large in size and the brush box is not easy to assemble and disassemble.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an improve brush mounting structure of brush box, includes the bottom plate, be equipped with the through-hole in the middle of the bottom plate, two brush boxes are installed about the centre of a circle symmetry of through-hole in the bottom plate upper end, two equal cartridge has the brush piece in the brush box, two all install elastic mechanism on the brush box, elastic mechanism is connected with the brush piece, brush piece upper end is connected with the electrically conductive cable, the electrically conductive cable lower extreme is connected with the bottom plate.

Preferably, both ends all are equipped with first U type groove about the brush box, brush box upper end is equipped with second U type groove, the left and right sides of brush box one end all is provided with the connecting plate, both ends all are provided with the mounting panel about brush box bottom.

Preferably, the elastic mechanism comprises a back plate, a pressing block is installed at one end of the back plate and connected with the electric brush block, overhanging plates are arranged at the left end and the right end of the back plate, springs are arranged on the two overhanging plates, a connecting block is arranged at one end of each spring, and the connecting block is installed on the connecting plate.

Preferably, the bottom plate bottom is provided with the installation lug, the bottom plate upper end is equipped with the screw hole, the screw hole is located the installation lug, be equipped with the round hole on the mounting panel, the mounting panel passes through the screw and is connected with the bottom plate

Compared with the prior art, the utility model has the beneficial effects that: through setting up the elasticity mechanism that can install on the brush box, need not to set up the fixed knot who installs torsional spring or volute spring on the bottom plate and construct for the whole volume of brush assembly reduces, simultaneously through set up the installation lug on the bottom plate, sets up the mounting panel on the brush box, and through the fix with screw brush box, makes the brush box-packed dismantlement more convenient.

Drawings

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

FIG. 2 is a right-side view of the present invention.

In the figure: 1. the novel electric brush comprises a base plate, 2 parts of a brush box, 3 parts of a brush block, 4 parts of an elastic mechanism, 5 parts of a conductive cable, 101 parts of through holes, 102 parts of mounting lugs, 201 parts of a first U-shaped groove, 202 parts of a second U-shaped groove, 203 parts of a connecting plate, 204 parts of a mounting plate, 401 parts of a back plate, 402 parts of a pressing block, 403 parts of an extending plate, 404 parts of a spring, 405 parts of a connecting block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, an embodiment of the present invention provides an improved brush mounting structure for a brush box 2, including a bottom plate 1, a through hole 101 is provided in the middle of the bottom plate 1 for mounting a commutator, two brush boxes 2 are symmetrically mounted on the upper end of the bottom plate 1 about the center of the through hole 101 through screws, brush blocks 3 are respectively inserted into the two brush boxes 2, elastic mechanisms 4 are respectively mounted on the two brush boxes 2 through screws for providing elasticity for the brush blocks 3, the elastic mechanisms 4 are connected with the brush blocks 3, a conductive cable 5 is welded on the upper end of the brush block 3, and the lower end of the conductive cable 5 is welded with the bottom plate 1.

Referring to fig. 1 and 2, the left and right ends of the brush box 2 are provided with a first U-shaped groove 201 for yielding the elastic mechanism 4, the upper end of the brush box 2 is provided with a second U-shaped groove 202 for yielding the conductive cable 5, the left and right sides of one end of the brush box 2 close to the through hole 101 are integrally formed with a connecting plate 203 for connecting the elastic mechanism 4, and the left and right ends of the bottom of the brush box 2 are integrally formed with a mounting plate 204 for facilitating the use of screws for fixing the brush box 2. Elastic force mechanism 4 includes backplate 401, there is compact heap 402 backplate 401 near the one end of brush piece 3 through the mounting screw, compact heap 402 and brush piece 3 welding together, both ends all integrated into one piece have overhanging plate 403 about backplate 401, all weld spring 404 on two overhanging plate 403, the one end that two spring 404 kept away from overhanging plate 403 all welds connecting block 405, connecting block 405 passes through the mounting screw on connecting plate 203, be used for providing pressure to brush piece 3, make brush piece 3 hug closely the commutator. The bottom of the bottom plate 1 is cast with an installation convex block 102, the upper end of the bottom plate 1 is provided with a threaded hole, the threaded hole is positioned in the installation convex block 102, the installation plate 204 is provided with a round hole, and the installation plate 204 is connected with the bottom plate 1 through a screw, so that the brush box 2 can be conveniently assembled and disassembled.

The working principle of the embodiment is as follows: during the use, aim at the screw hole on the bottom plate 1 with the round hole on the mounting panel 204 earlier, then install brush box 2 on bottom plate 1 with the screw, then will be connected with the brush piece 3 of electrically conductive cable 5 and compact heap 402 and insert in brush box 2 from the open end of second U type groove 202, then insert the backplate 401 that has spring 404 in brush box 2, the overhanging plate 403 that makes both ends about backplate 401 stretches out from first U type groove 201, then be connected backplate 401 and compact heap 402 with the screw, then be connected connecting block 405 and connecting plate 203 on the spring 404 with the screw, then with the lower extreme of electrically conductive cable 5 through spot welding on bottom plate 1 can.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides an improve brush mounting structure of brush box which characterized in that: including bottom plate (1), be equipped with through-hole (101) in the middle of bottom plate (1), two brush box (2), two are installed about the centre of a circle symmetry of through-hole (101) in bottom plate (1) upper end all the cartridge has brush piece (3), two in brush box (2) all install elasticity mechanism (4) on brush box (2), elasticity mechanism (4) are connected with brush piece (3), brush piece (3) upper end is connected with electrically conductive cable (5), electrically conductive cable (5) lower extreme is connected with bottom plate (1).

2. A brush mounting structure for an improved brush box according to claim 1, wherein: both ends all are equipped with first U type groove (201) about brush box (2), brush box (2) upper end is equipped with second U type groove (202), the left and right sides of brush box (2) one end all is provided with connecting plate (203), both ends all are provided with mounting panel (204) about brush box (2) bottom.

3. The brush mounting structure for an improved brush box of claim 2, wherein: the elastic mechanism (4) comprises a back plate (401), a pressing block (402) is installed at one end of the back plate (401), the pressing block (402) is connected with the electric brush block (3), outward extending plates (403) are arranged at the left end and the right end of the back plate (401), springs (404) are arranged on the two outward extending plates (403), a connecting block (405) is arranged at one end of each spring (404), and the connecting block (405) is installed on the connecting plate (203).

4. The brush mounting structure for an improved brush box of claim 2, wherein: the mounting structure is characterized in that a mounting lug (102) is arranged at the bottom of the base plate (1), a threaded hole is formed in the upper end of the base plate (1), the threaded hole is located in the mounting lug (102), a round hole is formed in the mounting plate (204), and the mounting plate (204) is connected with the base plate (1) through a screw.