CN209963459U

CN209963459U - Special-shaped motor carbon brush

Info

Publication number: CN209963459U
Application number: CN201921145237.3U
Authority: CN
Inventors: 沈浩翔
Original assignee: Haimen Zhengda Electric Carbon Product Co Ltd
Current assignee: Haimen Zhengda Electric Carbon Product Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-01-17
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to the technical field of carbon brushes, and discloses a special-shaped motor carbon brush, including the carbon brush piece, the quantity of carbon brush piece is three, and fixedly connected with fastening spring between two adjacent carbon brush pieces, the outside of carbon brush piece is equipped with the spacing collar, be provided with the carbon-point on the spacing collar, the one end of carbon-point is close to the spacing collar, the other end of carbon-point passes the spacing collar and fixedly connected with the carbon brush piece to with spacing collar sliding connection, the periphery of carbon-point is fixed and is cup jointed with the spacing ring, the periphery activity of carbon-point has cup jointed spacing spring, the one end and the spacing ring fixed connection of spacing spring, the other end and the spacing collar fixed connection of spacing spring; the one end fixedly connected with stopper of carbon brush piece is kept away from to the carbon-point, be provided with the power cord on the stopper and compress tightly the subassembly, the spacing groove has been seted up on the power cord compresses tightly the subassembly. The special-shaped motor carbon brush has the effects of long-term use and convenience in wire connection.

Description

Special-shaped motor carbon brush

Technical Field

The utility model relates to a carbon brush technical field specifically is a special-shaped motor carbon brush.

Background

Carbon brushes, also called brushes, are widely used as sliding contacts in many electrical devices, and the carbon brushes are mainly made of graphite, impregnated graphite and metal graphite in product application materials, are devices for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, are generally made of pure carbon and a coagulant, are generally square in shape, are clamped on a metal support, are tightly pressed on a rotating shaft by a spring inside, and transmit electric energy to a coil through a phase converter when the motor rotates.

The main component of the existing carbon brush is carbon, so that the existing carbon brush is easy to wear and needs to be maintained and replaced regularly, and no other contact elements and the rotor conduct electricity after the carbon brush is worn completely, so that the electric energy is interrupted.

Therefore, a special-shaped carbon brush for the motor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a special-shaped motor carbon brush possesses the advantage of using for a long time and being convenient for to connect, has solved current carbon brush because its principal ingredients is carbon in the use, and easy wearing and tearing need the periodic maintenance change, does not have other contact element and rotor to carry out the transmission of leading to the electricity after the carbon brush is thoroughly worn and torn to cause the interrupt of electric energy, when being connected the carbon brush with the wire, take the bolt to fix usually, make and connect comparatively loaded down with trivial details problem.

The utility model provides a following technical scheme: a special-shaped motor carbon brush comprises three carbon brush pieces, wherein a fastening spring is fixedly connected between two adjacent carbon brush pieces, a limiting ring is arranged on the outer side of each carbon brush piece, a carbon rod is arranged on the limiting ring, one end of the carbon rod is close to the limiting ring, the other end of the carbon rod penetrates through the limiting ring and is fixedly connected with the carbon brush pieces and is in sliding connection with the limiting ring, a limiting ring is fixedly sleeved on the periphery of the carbon rod, the limiting spring is movably sleeved on the periphery of the carbon rod, one end of the limiting spring is fixedly connected with the limiting ring, and the other end of the limiting spring is fixedly connected with the limiting ring;

the carbon brush piece is kept away from to the carbon-point one end fixedly connected with stopper, be provided with the power cord on the stopper and compress tightly the subassembly, the spacing groove has been seted up on the power cord compresses tightly the subassembly, and the inside sliding connection in spacing groove has the wire, the one end fixedly connected with metal block of wire, the back and the stopper contact of metal block.

Preferably, the power cord compresses tightly the subassembly and includes movable rod, kicking block, reply spring and briquetting, the one end of movable rod pass the stopper and with briquetting fixed connection to with stopper sliding connection, the other end and the kicking block fixed connection of movable rod, reply the spring activity and cup joint the periphery at the movable rod, reply the one end and the kicking block fixed connection of spring, reply the other end and the stopper fixed connection of spring, the spacing groove is seted up on the briquetting.

Preferably, the three carbon brush pieces are annularly distributed around the circle center of the limiting ring, and the distance between two adjacent carbon brush pieces is equal.

Preferably, the diameter value of the limiting groove is smaller than that of the metal block and larger than that of the lead.

Preferably, the limiting block is made of a metal copper material.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the carbon brush piece is pulled, the fastening spring is stretched by the movement of the carbon brush piece, the stretched fastening spring has resilience, and the carbon brush piece is tightly attached to the motor rotor, so that the effect of tight connection and electric energy transmission is achieved, the carbon brush piece is finally completely damaged along with the continuous abrasion of the carbon brush piece in the use process, the limiting spring in an initial compressed state is restored, the carbon rod is driven to be in contact with the motor rotor, the continuous electric energy transmission is carried out, and the effect of long-term use is achieved; through separating briquetting and stopper in vertical direction, the removal of briquetting drives movable rod and kicking block and removes and compress replying the spring, and then passes the spacing groove on the briquetting with the wire, and the reply spring after the compression has the resilience, drives the briquetting and compresses tightly the stopper, and then stabilizes fixedly to the position of wire for the metal block moves with the stopper is stabilized, has avoided traditional screw installation wire to cause the emergence of loaded down with trivial details installation phenomenon, thereby has reached the effect of being convenient for to connect.

Drawings

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

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

fig. 3 is a schematic structural view of a power line pressing assembly of the present invention;

fig. 4 is a schematic structural diagram of the middle press block of the present invention.

In the figure: 1. a carbon brush sheet; 2. a fastening spring; 3. a limiting ring; 4. a carbon rod; 5. a limiting ring; 6. a limiting spring; 7. a limiting block; 8. a power line compression assembly; 81. a movable rod; 82. a top block; 83. a return spring; 84. briquetting; 9. a wire; 10. a metal block.

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, a special-shaped motor carbon brush comprises three carbon brush sheets 1, wherein a fastening spring 2 is fixedly connected between two adjacent carbon brush sheets 1, a limiting ring 3 is arranged on the outer side of each carbon brush sheet 1, a carbon rod 4 is arranged on each limiting ring 3, one end of each carbon rod 4 is close to each limiting ring 3, the other end of each carbon rod 4 penetrates through each limiting ring 3 and is fixedly connected with the corresponding carbon brush sheet 1 and is in sliding connection with each limiting ring 3, a limiting ring 5 is fixedly sleeved on the periphery of each carbon rod 4, a limiting spring 6 is movably sleeved on the periphery of each carbon rod 4, one end of each limiting spring 6 is fixedly connected with each limiting ring 5, and the other end of each limiting spring 6 is fixedly connected with each limiting ring 3;

one end fixedly connected with stopper 7 that carbon brush piece 1 was kept away from to carbon-point 4 is provided with the power cord on stopper 7 and compresses tightly subassembly 8, has seted up the spacing groove on the power cord compresses tightly subassembly 8, and the inside sliding connection of spacing groove has wire 9, the one end fixedly connected with metal block 10 of wire 9, the back and the stopper 7 contact of metal block 10.

In the utility model, by pulling the carbon brush piece 1, the movement of the carbon brush piece 1 stretches the fastening spring 2, the stretched fastening spring 2 has resilience, and then the carbon brush piece 1 is tightly attached to the motor rotor, so that the effect of tightly connecting and transmitting electric energy is achieved, along with the continuous abrasion of the carbon brush piece 1 in the using process, the carbon brush piece 1 is finally completely damaged, the limiting spring 6 in the initial compression state is restored, and then the carbon rod 4 is driven to contact with the motor rotor, so that the continuous electric energy transmission is carried out, and the effect of long-term use is achieved; under the effect that the power cord compresses tightly subassembly 8, compress tightly subassembly 8 and then connect fixedly to wire 9 through adjusting the power cord for metal block 10 and stopper 7 carry out the steady removal, have avoided traditional screw installation wire 9 to cause the emergence of loaded down with trivial details installation phenomenon, thereby have reached the effect of being convenient for to connect.

In an alternative embodiment, the power line pressing assembly 8 includes a movable rod 81, a top block 82, a restoring spring 83 and a pressing block 84, one end of the movable rod 81 passes through the limiting block 7 and is fixedly connected with the pressing block 84 and is slidably connected with the limiting block 7, the other end of the movable rod 81 is fixedly connected with the top block 82, the restoring spring 83 is movably sleeved on the periphery of the movable rod 81, one end of the restoring spring 83 is fixedly connected with the top block 82, the other end of the restoring spring 83 is fixedly connected with the limiting block 7, a limiting groove is formed in the pressing block 84, the pressing block 84 is vertically separated from the limiting block 7, the movable rod 81 and the top block 82 are driven by the movement of the pressing block 84 to move and compress the restoring spring 83, the lead 9 passes through the limiting groove on the pressing block 84, the compressed restoring spring 83 has restoring performance, the pressing block 84 is driven to press the limiting block 7, and further stably fix the position of the, make metal block 10 and stopper 7 carry out the steady removal, avoided traditional screw installation wire to cause the emergence of loaded down with trivial details installation phenomenon to the effect of being convenient for connect has been reached.

In an alternative embodiment, three carbon brush sheets 1 are annularly distributed around the center of the limiting ring 3, and the distance between two adjacent carbon brush sheets 1 is equal, so that the carbon brush sheets 1 are uniformly and annularly distributed, and the acting force of the fastening spring 2 on the carbon brush sheets 1 is equal, and the carbon brush sheets are uniformly worn.

In an optional embodiment, the diameter value of the limiting groove is smaller than that of the metal block 10 and larger than that of the lead 9, so that the position of the lead 9 is stably fixed by the limiting groove, and the metal block 10 is tightly connected with the limiting block 7 and conducts electric energy.

In an optional embodiment, the stopper 7 is made of a metal copper material, so that the electric energy transmission between the metal block 10 and the stopper 7 can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special-shaped motor carbon brush, includes carbon brush piece (1), its characterized in that: the carbon brush sheet comprises three carbon brush sheets (1), fastening springs (2) are fixedly connected between two adjacent carbon brush sheets (1), a limiting ring (3) is arranged on the outer side of each carbon brush sheet (1), a carbon rod (4) is arranged on each limiting ring (3), one end of each carbon rod (4) is close to each limiting ring (3), the other end of each carbon rod (4) penetrates through each limiting ring (3) and is fixedly connected with the corresponding carbon brush sheet (1) and is in sliding connection with each limiting ring (3), each limiting ring (5) is fixedly sleeved on the periphery of each carbon rod (4), each limiting spring (6) is movably sleeved on the periphery of each carbon rod (4), one end of each limiting spring (6) is fixedly connected with each limiting ring (5), and the other end of each limiting spring (6) is fixedly connected with each limiting ring (3);

one end fixedly connected with stopper (7) of carbon brush piece (1) are kept away from to carbon-point (4), be provided with the power cord on stopper (7) and compress tightly subassembly (8), the spacing groove has been seted up on power cord compresses tightly subassembly (8), and the inside sliding connection of spacing groove has wire (9), the one end fixedly connected with metal block (10) of wire (9), the back and the stopper (7) contact of metal block (10).

2. The carbon brush of the special-shaped motor according to claim 1, wherein: the power cord compresses tightly subassembly (8) including movable rod (81), kicking block (82), answer spring (83) and briquetting (84), stopper (7) and briquetting (84) fixed connection are passed to the one end of movable rod (81) to with stopper (7) sliding connection, the other end and kicking block (82) fixed connection of movable rod (81), answer spring (83) activity and cup joint the periphery at movable rod (81), the one end and kicking block (82) fixed connection of answer spring (83), the other end and stopper (7) fixed connection of answer spring (83), the spacing groove is seted up on briquetting (84).

3. The carbon brush of the special-shaped motor according to claim 1, wherein: the three carbon brush pieces (1) are distributed in an annular shape by using the circle center of the limiting ring (3), and the distance between two adjacent carbon brush pieces (1) is equal.

4. The carbon brush of the special-shaped motor according to claim 1, wherein: the diameter value of the limiting groove is smaller than that of the metal block (10) and larger than that of the lead (9).

5. The carbon brush of the special-shaped motor according to claim 1, wherein: the limiting block (7) is made of metal copper materials.