CN218242515U

CN218242515U - Brush assembly convenient to change brush

Info

Publication number: CN218242515U
Application number: CN202222360660.3U
Authority: CN
Inventors: 姚明其
Original assignee: Xuancheng Qianqing Electronic Technology Co ltd
Current assignee: Xuancheng Qianqing Electronic Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-06
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses an electric brush subassembly convenient to change brush, including the brush sinle silk, brush buckle and brush connecting plate are installed respectively to brush sinle silk both ends outside, brush connecting plate externally mounted has stop gear, and stop gear internally connected has the slip brush, the inside annular interval distribution that is of slip brush terminal surface has seted up the connection slotted hole, and connects the inside gomphosis of slotted hole and be connected with the assembly stand, assembly stand one end outside is hemispherical structure, and assembly stand other end externally mounted has the brush connecting plate. This brush subassembly convenient to change brush can be changed the slip brush outside the brush holder, need not to carry out the split to brush subassembly and brush holder, and it is more convenient to use.

Description

Brush assembly convenient to change brush

Technical Field

The utility model relates to an electric brush technical field specifically is an electric brush subassembly convenient to change brush.

Background

Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush mainly comprises graphite, impregnated graphite and metal (copper and silver) graphite in product application. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal support, is tightly pressed on a rotating shaft by a spring inside, and transmits electric energy to a coil through a phase changer when the motor rotates.

The support part of the brush assembly is generally installed inside the brush holder when the existing brush is fixed, the sliding brush is exposed for use, when a user needs to replace the brush, the brush holder needs to be opened, the brush assembly is taken out to be integrally replaced, and the replacement efficiency of the sliding brush needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brush subassembly convenient to change brush to need wholly to take out the brush subassembly to change when solving the brush subassembly that provides in the above-mentioned background art and brush holder installation, use comparatively inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric brush subassembly convenient to change brush, includes the brush sinle silk, brush buckle and brush connecting plate are installed respectively to brush sinle silk both ends outside, brush connecting plate externally mounted has stop gear, and stop gear internal connection has a slip brush, the inside annular interval distribution that is of slip brush terminal surface has seted up the connection slotted hole, and connects the inside gomphosis of slotted hole and be connected with the assembly stand, assembly stand one end outside is hemispherical structure, and assembly stand other end externally mounted has the brush connecting plate.

Preferably, the sliding brush comprises a brush body, a brush tail column is arranged at the outer end of the brush body, the brush tail column and the brush body are similar rectangles, the outer length and width of the brush tail column are both smaller than the outer length and width of the brush body, and the connecting slot is opened inside the brush tail column.

Preferably, the limiting mechanism comprises a fixed ring plate, the four outer ends of the fixed ring plate are connected with connecting support plates, the outer ends of the connecting support plates are provided with positioning frames, the connecting support plates are of right-angle structures, and the inner and outer walls of the horizontal portion of the connecting support plates and the inner and outer walls of the corresponding positions of the positioning frames are located in the same plane.

Preferably, the shape of the inner wall of the positioning frame is identical to that of the outer wall of the electric brush tail post, the length and the width of the outer wall of the positioning frame are equal to those of the outer length and the width of the electric brush body, and the end face of the positioning frame abuts against the stepped surface of the sliding electric brush, so that the end face of the electric brush connecting plate is attached to the end face of the electric brush tail post.

Preferably, the inner wall of the fixed ring plate is of a threaded structure, the fixed ring plate is connected with the electric brush connecting plate through the threaded structure, and an adjusting spring is installed between the electric brush connecting plate and the electric brush buckle.

Compared with the prior art, the beneficial effects of the utility model are that: this brush subassembly convenient to change brush can be changed the slip brush outside the brush holder, need not to carry out the split to brush subassembly and brush holder, and it is more convenient to use. This brush subassembly convenient to change brush can assemble slip brush and brush connecting plate through the gomphosis of connecting slotted hole and assembly stand, and can consolidate the installation of slip brush through stop gear to make the brush buckle fixed when the brush holder is inside, need not to take out the brush buckle and can change the slip brush fast.

Drawings

Fig. 1 is a schematic front view of a brush assembly for facilitating replacement of a brush according to the present invention;

fig. 2 is a schematic diagram of a right side view structure of a brush connecting plate of a brush assembly for facilitating replacement of a brush according to the present invention;

fig. 3 is a schematic front view of an assembly column of a brush assembly for facilitating replacement of a brush according to the present invention;

fig. 4 is a schematic structural view of a sliding brush of a brush assembly convenient for replacing the brush of the present invention.

In the figure: 1. the electric brush comprises a sliding electric brush body 101, an electric brush main body 102, an electric brush tail column 2, a positioning frame 3, a connecting support plate 4, a fixing ring plate 5, a connecting groove hole 6, an assembling upright column 7, an electric brush wire core 8, an adjusting spring 9, an electric brush buckle 10 and an electric brush connecting plate.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electric brush assembly convenient for replacing an electric brush comprises an electric brush wire core 7, electric brush buckles 9 and an electric brush connecting plate 10 are respectively arranged at the outer parts of two ends of the electric brush wire core 7, a limiting mechanism is arranged at the outer part of the electric brush connecting plate 10, a sliding electric brush 1 is connected with the inner part of the limiting mechanism, the sliding electric brush 1 comprises an electric brush main body 101, an electric brush tail post 102 is arranged at the outer end of the electric brush main body 101, the electric brush tail post 102 and the electric brush main body 101 are similar rectangles, the outer length and width of the electric brush tail post 102 are both smaller than the outer length and width of the electric brush main body 101, and a connecting slotted hole 5 is arranged inside the electric brush tail post 102, the structure enables a step surface to be formed between the electric brush tail post 102 on the electric brush main body 101 and the electric brush main body 101, an assembling upright post 6 can be connected with the part of the electric brush tail post 102, the limiting mechanism comprises a fixed ring plate 4, four ends outside the fixed ring plate 4 are both connected with a connecting support plate 3, the outer end of the connecting support plate 3 is provided with the positioning frame 2, the connecting support plate 3 is of a right-angle structure, the inner wall and the outer wall of the horizontal part of the connecting support plate 3 are both positioned in the same plane with the inner wall and the outer wall of the corresponding position of the positioning frame 2, the structure enables the connection part of the positioning frame 2 and the connecting support plate 3 to be smooth without a step surface, the connecting support plate 3 can support four sides of the positioning frame 2, the shape of the inner wall of the positioning frame 2 is matched with the shape of the outer wall of the brush tail post 102, the length and the width of the outer wall of the positioning frame 2 are equal to the length and the width of the outer wall of the brush main body 101, the end surface of the positioning frame 2 is abutted against the step surface of the sliding brush 1, the end surface of the brush connecting plate 10 is mutually attached to the end surface of the brush tail post 102, the positioning frame 2 can be clamped outside the brush tail post 102 to reinforce the installation position of the brush tail post 102, and the outer wall of the positioning frame 2 does not protrude out of the outer wall of the brush main body 101, and the installation of the locating frame 2 can not influence the laminating connection of the brush connecting plate 10 and the brush tail post 102, the inner wall of the fixed ring plate 4 is of a threaded structure, the fixed ring plate 4 is connected with the brush connecting plate 10 through the threaded structure, and the adjusting spring 8 is installed between the brush connecting plate 10 and the brush buckle 9, the fixed ring plate 4 can be conveniently detached from the brush connecting plate 10 through the threaded structure, so that a user can replace limiting mechanisms with different models, the adjusting spring 8 between the brush connecting plate 10 and the brush buckle 9 is convenient for elastically supporting the sliding brush 1, the connecting slotted holes 5 are formed in the end face of the sliding brush 1 in an annular interval distribution mode, the inner embedding of the connecting slotted holes 5 is connected with the assembling upright 6, the outer part of one end of the assembling upright 6 is of a hemispherical structure, the brush connecting plate 10 is installed on the outer part of the other end of the assembling upright 6, the structure enables the brush connecting plate 10 and the sliding brush 1 not to be installed through the assembling upright 6 of the connecting slotted holes 5 in an embedding mode, and can be fixedly connected through the limiting mechanisms, the stability of the sliding brush 1 during installation is maintained, the independent detachment is convenient, the user can not only the brush buckle 9 can be taken out, and the brush 9 can be replaced.

The working principle is as follows: when using this brush subassembly convenient to change brush, at first the user can fix brush buckle 9 and brush holder, the terminal surface position through brush sinle silk 7 and adjustment spring 8 adjustment brush main part 101, when the user need change slip brush 1, can outwards extract brush tail 102 from locating frame 2 and connection extension board 3 inside, in order to make connection slotted hole 5 and assembly post 6 split each other, then the user need not to take out all the other parts and can change slip brush 1, when the slip brush 1 of different models needs to be changed to the user, can take off fixed ring board 4 from brush connecting plate 10, so that the installation has the fixed ring board 4 of the locating frame 2 of corresponding model, thereby accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a brush subassembly convenient to change brush, includes brush sinle silk (7), its characterized in that: brush buckle (9) and brush connecting plate (10) are installed respectively to brush sinle silk (7) both ends outside, brush connecting plate (10) externally mounted has stop gear, and stop gear internal connection has slip brush (1), slip brush (1) terminal surface is inside to be annular interval distribution and has seted up connection slotted hole (5), and connects slotted hole (5) inside gomphosis and be connected with assembly stand (6), assembly stand (6) one end outside is the hemisphere structure, and assembly stand (6) other end externally mounted has brush connecting plate (10).

2. A brush assembly for facilitating brush replacement according to claim 1, wherein: the sliding electric brush (1) comprises an electric brush main body (101), an electric brush tail column (102) is arranged at the outer end of the electric brush main body (101), the electric brush tail column (102) and the electric brush main body (101) are similar rectangles, the outer length and width of the electric brush tail column (102) are smaller than those of the electric brush main body (101), and a connecting slotted hole (5) is formed in the electric brush tail column (102).

3. A brush assembly for facilitating brush replacement according to claim 2, wherein: stop gear includes retaining ring board (4), and the outer four ends of retaining ring board (4) are all connected with and are connected extension board (3), connect extension board (3) outer end and install locating frame (2), connect extension board (3) and be right angle shape structure, and the interior outer wall of the horizontal part of connecting extension board (3) all lies in the coplanar with the interior outer wall of the corresponding position of locating frame (2).

4. A brush assembly for facilitating brush replacement according to claim 3, wherein: the inner wall shape of the positioning frame (2) is matched with the outer wall shape of the electric brush tail post (102), the length and the width of the outer wall of the positioning frame (2) are equal to the length and the width of the outer part of the electric brush main body (101), the end face of the positioning frame (2) abuts against the stepped surface of the sliding electric brush (1), and the end face of the electric brush connecting plate (10) is attached to the end face of the electric brush tail post (102).

5. A brush assembly for facilitating brush replacement according to claim 4, wherein: the inner wall of the fixed ring plate (4) is of a threaded structure, the fixed ring plate (4) is connected with the electric brush connecting plate (10) through the threaded structure, and an adjusting spring (8) is installed between the electric brush connecting plate (10) and the electric brush buckle (9).