CN213585371U

CN213585371U - Motor carbon brush protector

Info

Publication number: CN213585371U
Application number: CN202022315019.9U
Authority: CN
Inventors: 吴中华; 高小平; 严波
Original assignee: Wuxi Kangxin Carbon Products Co ltd
Current assignee: Wuxi Kangxin Carbon Products Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-06-29
Anticipated expiration: 2030-10-17

Abstract

The utility model relates to a motor carbon brush technical field discloses a motor carbon brush protector, including fixed plate and dustproof subassembly, the top of fixed plate is equipped with dustproof subassembly, and dustproof subassembly includes connecting block, connecting axle, elastic pressure guard plate, first buckle and second buckle, and the position that terminal surface all is connected with the connecting block around being close to on one side of the fixed plate top, and the one side that two connecting blocks are adjacent is connected through the connecting axle, and the surface at the connecting axle is cup jointed in one side activity of elastic pressure guard plate, and the bottom and the fixed plate contact of elastic pressure guard plate are connected. Through having dustproof subassembly at carbon brush externally mounted for let the middle part of carbon brush obtain fine protection, let it can not have debris or corn infiltration junction, perhaps the surface at middle part is piled up, strengthens carbon brush life greatly, and the guard plate can open and shut in addition, also very convenient when dismantling takes out the carbon brush, can very conveniently install the carbon brush and advance protective assembly.

Description

Motor carbon brush protector

Technical Field

The utility model relates to a motor carbon brush technical field specifically is a motor carbon brush protector.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the main function of the motor is to generate driving torque to serve as a power source of electrical appliances or various machines, a generator is represented by a letter G in a circuit, and the main function of the motor is to convert mechanical energy into electric energy.

The motor carbon brush is a generic term for a carbon brush of a motor and a carbon brush of a generator. The motor carbon brush is similar to a rubber strip for wiping a pencil, a lead is arranged on the top of the motor carbon brush to be led out, the motor carbon brush has a small size, the motor carbon brush has the function of changing the current direction, the motor is divided into a direct current motor and an alternating current motor, the direct current motor is used for changing a conductive coil of a rotor, the magnetic pole of the rotor is changed, and the motion of the motor is further changed. The carbon brush is used on a commutator or a slip ring of a motor as a sliding contact body for leading out and leading in current, has good electric conduction, heat conduction and lubrication performance, and has certain mechanical strength and the instinct of commutation spark. Almost all brush motors use carbon brushes, which are important components of brush motors.

The technical performance of the motor is greatly different due to different use working conditions of the motor. The occasion of using is also different, all does not have protector to most carbon brushes of generator on the existing market, and is operating in the operating mode such as reaping, mining area abominable when the generator, and the dust is piled up easily outside exposing in the middle part junction of motor carbon brush, and foreign matters such as corn get into the motor and easily cause the phenomenon such as carbon brush card dead unable operation to take place, lead to the motor inefficacy, very big reduction motor life.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor carbon brush protector has solved the problem that the junction got into debris easily among the prior art at the middle part of the motor carbon brush.

In order to solve the above problem, the utility model adopts the following technical scheme: a motor carbon brush protection device comprises a fixing plate and a dustproof assembly, wherein the dustproof assembly is arranged at the top of the fixing plate;

the dustproof assembly comprises connecting blocks, a connecting shaft, an elastic pressure protection plate, a first buckle and a second buckle, wherein the connecting blocks are connected to the positions, close to the front end face and the rear end face, of one side of the top of the fixing plate, the adjacent sides of the two connecting blocks are connected through the connecting shaft, one side of the elastic pressure protection plate is movably sleeved on the outer surface of the connecting shaft, the bottom of the elastic pressure protection plate is in contact connection with the top of the fixing plate, the first buckle is installed at the position, close to the front end face and the rear end face, of the other side of the elastic pressure protection plate, the two second buckles are installed at the other side of the top of the fixing plate, the top of each second buckle is connected with the bottom of the corresponding first buckle, the top of each second buckle is matched with the bottom of the corresponding first buckle, the fixing plate is rectangular in overall shape, and the, the bottom ends of the four first threaded nails penetrate through the fixing plate and extend to the lower portion of the fixing plate, and the length directions of the four first threaded nails are perpendicular to the fixing plate.

Preferably, the bottom of the elastic pressure protection plate is provided with a protruding groove, a carbon brush is arranged in the protruding groove, the top of the carbon brush is connected with the top of the inner cavity of the protruding groove, two sides of the carbon brush are respectively connected with two sides of the inner cavity of the protruding groove, and the bottom of the carbon brush is connected with the top of the fixing plate.

Preferably, the carbon brush comprises a connecting wire, a carbon brush head and a carbon brush tail, one side of the connecting wire is connected with the carbon brush head, the other side of the connecting wire is connected with the carbon brush tail, and the ends, far away from the connecting wire, of the carbon brush head and the carbon brush tail extend out of the convex groove.

Preferably, the bottom of the two sides of the carbon brush head is connected with threaded plates, the top center of each threaded plate is connected with a second threaded nail, the bottom ends of the second threaded nails penetrate through the threaded plates respectively and are connected with the top of the fixing plate, the top of the fixing plate is provided with two threaded holes, and the bottom ends of the second threaded nails are connected with the inside of the fixing plate through the two threaded holes respectively.

The beneficial effects of the utility model are that, through having dustproof subassembly at carbon brush externally mounted for the middle part junction of carbon brush obtains fine protection, can not have debris or corn infiltration junction, and perhaps the dust is piled up at the surface at middle part, strengthens carbon brush life greatly, and the guard plate can open and shut moreover, and very convenient taking out the carbon brush when dismantling, simultaneously, very conveniently installs into protective assembly with the carbon brush.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic front end view of the present invention;

fig. 4 is a schematic structural view of a carbon brush of the present invention.

The reference numbers in the figures illustrate: 1. a fixing plate; 2. connecting blocks; 3. a connecting shaft; 4. an elastic pressure protection plate; 5. a first buckle; 6. a second buckle; 7. a carbon brush; 701. a connecting wire; 702. a carbon brush head; 703. A carbon brush tail; 8. a first threaded nail; 9. a thread plate; 10. and a second screw.

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 motor carbon brush protector comprises a fixed plate 1 and a dustproof assembly, wherein the dustproof assembly is fixedly connected to the top of the fixed plate 1;

the dustproof assembly comprises a connecting block 2, a connecting shaft 3, an elastic pressure protection plate 4, a first buckle 5 and a second buckle 6, wherein the connecting block 2 is fixedly connected at the position, close to the front end face and the rear end face, of one side of the top of a fixing plate 1, the adjacent sides of the two connecting blocks 2 are fixedly connected through the connecting shaft 3, one side of the elastic pressure protection plate 4 is movably sleeved on the outer surface of the connecting shaft 3, the bottom of the elastic pressure protection plate 4 is in contact connection with the top of the fixing plate 1, the first buckle 5 is fixedly installed at the position, close to the front end face and the rear end face, of the other side of the elastic pressure protection plate 4, the two second buckles 6 are fixedly installed at the other side of the top of the fixing plate 1, the top of each second buckle 6 is connected with the bottom of the corresponding first buckle 5 in a clamping manner, the top of each second buckle 6, the bottom ends of the four first threaded nails 8 penetrate through the fixing plate 1 and extend to the lower part of the fixing plate 1, and the fixing plate 1 can be conveniently mounted and dismounted. The length direction of the four first threaded nails 8 is perpendicular to the fixing plate 1, and the fixing plate 1 is conveniently and fixedly installed through the four first threaded nails 8.

Wherein, the bottom of elasticity pressure guard plate 4 has been seted up protruding groove, and protruding inslot portion is equipped with carbon brush 7, and the top of carbon brush 7 is connected with the top contact of protruding inslot cavity, and the both sides of carbon brush 7 are connected with the both sides contact of protruding inslot cavity respectively, and the bottom contact of carbon brush 7 is connected in the top of fixed plate 1, and its effect is that to wrap up carbon brush 7 through protruding groove and prevent that the dust from getting into.

The carbon brush 7 comprises a connecting line 701, a carbon brush head 702 and a carbon brush tail 703, one side of the connecting line 701 is connected with the carbon brush head 702, the other side of the connecting line 701 is connected with the carbon brush tail 703, protruding grooves extend from one ends, far away from the connecting line 701, of the carbon brush head 702 and the carbon brush tail 703, and the protruding grooves in the elastic pressure protection plate 4 are used for wrapping the connecting position of the carbon brush 7.

The bottom parts of two sides of the carbon brush head 702 are both connected with threaded plates 9, the centers of the top parts of the two threaded plates 9 are both connected with second threaded nails 10, and the bottom ends of the two second threaded nails 10 respectively penetrate through the two threaded plates 9 and are connected with the top parts of the fixed plates 1; two screw holes are opened at the top of fixed plate 1, and the bottom of two second screw nails 10 is respectively through two screw holes and extend to the inside of fixed plate 1, and its effect is to fix carbon brush head carbon brush 7 on the fixed plate.

During operation, two threaded plates 9 on the carbon brush 7 are placed above two threaded holes in the fixing plate 1 respectively and are fixed through two second threaded nails 10, then the elastic pressure protection plate 4 is pressed down, the carbon brush 7 is pressed below the protruding groove through connection between the two first buckles 5 and the two second buckles 6, the middle connection part of the carbon brush 7 is completely protected by the elastic pressure protection plate 4, and then the fixing plate 1 can be fixed at any position through the four first threaded nails 8 to be matched with the carbon brush 7 for use.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The motor carbon brush protection device is characterized by comprising a fixing plate (1) and a dustproof assembly, wherein the dustproof assembly is arranged at the top of the fixing plate (1);

the dustproof assembly comprises connecting blocks (2), connecting shafts (3), elastic pressure protection plates (4), first buckles (5) and second buckles (6), wherein the connecting blocks (2) are connected to positions, close to the front end face and the rear end face, of one side of the top of the fixing plate (1), the adjacent sides of the two connecting blocks (2) are connected through the connecting shafts (3), one sides of the elastic pressure protection plates (4) are movably sleeved on the outer surfaces of the connecting shafts (3), the bottoms of the elastic pressure protection plates (4) are in contact connection with the top of the fixing plate (1), the first buckles (5) are installed at positions, close to the front end face and the rear end face, of the other sides of the elastic pressure protection plates (4), the two second buckles (6) are installed on the other sides of the top of the fixing plate (1), the tops of the second buckles (6) are connected with the bottoms of the first buckles (5), the top of second buckle (6) with the bottom looks adaptation of first buckle (5), the whole shape of fixed plate (1) is the rectangle, four contained angles in the top of fixed plate (1) all are connected with first screw (8), four the bottom of first screw (8) all runs through fixed plate (1) and extends to the below of fixed plate (1), four the length direction of first screw (8) all is perpendicular to fixed plate (1).

2. The carbon brush protection device for the motor according to claim 1, wherein a protruding groove is formed in the bottom of the elastic pressure protection plate (4), a carbon brush (7) is arranged inside the protruding groove, the top of the carbon brush (7) is connected with the top of the inner cavity of the protruding groove, two sides of the carbon brush (7) are respectively connected with two sides of the inner cavity of the protruding groove, and the bottom of the carbon brush (7) is connected with the top of the fixing plate (1).

3. The carbon brush protector for the motor according to claim 2, wherein the carbon brush (7) comprises a connecting line (701), a carbon brush head (702) and a carbon brush tail (703), the carbon brush head (702) is connected to one side of the connecting line (701), the carbon brush tail (703) is connected to the other side of the connecting line (701), and the ends of the carbon brush head (702) and the carbon brush tail (703) far away from the connecting line (701) extend out of the protruding grooves.

4. The carbon brush protection device for the motor according to claim 3, wherein threaded plates (9) are connected to bottoms of two sides of the carbon brush head (702), a second threaded nail (10) is connected to a center of tops of the two threaded plates (9), bottoms of the two second threaded nails (10) penetrate through the two threaded plates (9) and are connected with the top of the fixing plate (1), two threaded holes are formed in the top of the fixing plate (1), and bottoms of the two second threaded nails (10) extend into the fixing plate (1) through the two threaded holes respectively.