CN208401715U - A kind of high safety performance brushed DC motor - Google Patents

Abstract

The utility model discloses a kind of high safety performance brushed DC motors, including shell, cap, permanent magnet, rotor, shaft and carbon brush component, top and bottom on the left of the shell offers air inlet, bottom on the right side of the cap is fixedly connected with fixed block, micro air pump is fixedly connected on the right side of the fixed block, top and bottom on the right side of the cap offers gas vent, and the quantity of gas vent is two.The utility model passes through the setting of air inlet, gas vent, connecting leg, air intake duct, fixed block, micro air pump and carbon dust collecting cloth capsule, it can not only radiate to the thermal energy that rotor generates when rotated, the carbon dust that carbon brush component generates in the running can also be absorbed, solving the carbon dust that carbon brush is generated in friction inside traditional brushed DC motor can not be discharged, the problem of easily inducing accident, the high safety performance brushed DC motor, has the advantages of high safety performance, is worthy to be popularized.

Description

A kind of high safety performance brushed DC motor

Technical field

The utility model relates to DC motor technology field, specially a kind of high safety performance brushed DC motor.

Background technique

Brushed DC motor is a kind of direct current generator, and fixed main pole and brush are equipped on the stator of brush motor, The electric energy that armature winding and brushed DC power supply are equipped on rotor enters armature winding by brush and commutator, generates electricity Pivot electric current, the magnetic field and main field interaction that armature supply generates generate electromagnetic torque, make motor rotation band dynamic load.

Since brushed DC motor manufacturing cost is low, so it is widely used in small household appliances always, face cleaning instrument and shaver On equal electric appliances, when the brushed DC motor of the prior art works, rotor rotation, and the carbon brush being in contact with rotor does not turn, by It is softer in the characteristic of carbon brush, more carbon dust can be generated when carbon brush is with friction rotor, it, can be because of rotor after these carbon dusts are formed Rotation cyclone is formed inside motor, carbon dust is scattered on each electric devices to motor, therefore, easily causes electricity Phenomena such as decline of machine rotor insulating properties, motor internal parts electric discharge, carbon brush card resistance, electric motor short circuit, motor are burned out, to induce The generation of motor accident.

Summary of the invention

The purpose of this utility model is to provide a kind of high safety performance brushed DC motors, have the excellent of high safety performance Point solves the problem of carbon dust that carbon brush is generated in friction inside traditional brushed DC motor can not be discharged, easily induce accident.

To achieve the above object, the utility model provides the following technical solutions: a kind of high safety performance brushed DC motor, Including shell, cap, permanent magnet, rotor, shaft and carbon brush component, the top and bottom on the left of the shell offers air inlet Hole, the bottom on the right side of the cap is fixedly connected with fixed block, micro air pump is fixedly connected on the right side of the fixed block, described Top and bottom on the right side of cap offers gas vent, and the quantity of gas vent is two, is provided on the right side of the cap Connecting leg, the both ends of the connecting leg are connected to the right side of two gas vents respectively, and the bottom on the right side of the connecting leg is communicated with air intake duct, The one end of the air intake duct far from connecting leg is connected to the suction end of micro air pump, and the exhaust end of the micro air pump is arranged with carbon dust Collect cloth capsule.

Preferably, cap is connected on the right side of the housing cavity, the top and bottom of the housing cavity is provided with Permanent magnet, the inner cavity of the shell is horizontally arranged with rotor, and rotor is located at the inside of permanent magnet, and the both ends of the rotor are run through It is provided with shaft, the left end of the shaft is at the center on the left of shell and extends to the outside of shell, the right side of the shaft End runs through cap and extends to the outside of cap, and the surrounding of the shaft left end offers pre installed groove, and the cap inner cavity is left The top and bottom of side is provided with carbon brush component.

Preferably, the top and bottom of the shell is fixedly connected to link block, the link block far from shell one Side is fixedly connected with mounting blocks.

Preferably, sponge strainer is provided on the left of the air inlet, the outer surface of the sponge strainer is provided with safety Protective net, and the top and bottom on the right side of safety guard net be fixedly connected on the left of shell.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through air inlet, gas vent, connecting leg, air intake duct, fixed block, micro air pump and carbon dust collecting cloth The setting of capsule, can not only radiate to the thermal energy that rotor generates when rotated, additionally it is possible to produce in the running to carbon brush component Raw carbon dust is absorbed, and solving the carbon dust that carbon brush is generated in friction inside traditional brushed DC motor can not be discharged, easily The problem of induction accident, the high safety performance brushed DC motor have the advantages of high safety performance, are worthy to be popularized.

2, the utility model can enable shaft install a variety of rotary heads, promote this motor by the setting of pre installed groove Practicability can be fixed installation to this motor convenient for user, improve this motor by the setting of link block and mounting blocks Applicability the air for entering housing cavity can be filtered, promote enclosure interior component by the setting of sponge strainer Running environment, promote the stability of this motor operation, by the setting of safety guard net, can protect sponge strainer, avoid Foreign matter damages sponge strainer, reduces sponge strainer to the filter effect of air.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the left view of the utility model structure shaft.

In figure: 1 shell, 2 caps, 3 permanent magnets, 4 rotors, 5 shafts, 6 carbon brush components, 7 air inlets, 8 gas vents, 9 connecting legs, 10 air intake ducts, 11 fixed blocks, 12 micro air pumps, 13 carbon dust collecting cloth capsules, 14 pre installed grooves, 15 link blocks, 16 mounting blocks, 17 sponges Strainer, 18 safety guard nets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of high safety performance brushed DC motor referring to FIG. 1-2, including shell 1, cap 2, permanent magnet 3, rotor 4, Shaft 5 and carbon brush component 6 are connected with cap 2 on the right side of 1 inner cavity of shell, and the top and bottom of 1 inner cavity of shell is provided with permanent magnetism Iron 3, the inner cavity of shell 1 is horizontally arranged with rotor 4, and rotor 4 is located at the inside of permanent magnet 3, and the both ends of rotor 4 are provided through The outside of shell 1 is run through at the center in 1 left side of shell and extended in shaft 5, the left end of shaft 5, and the right end of shaft 5 runs through cap 2 and the outside of cap 2 is extended to, the surrounding of 5 left end of shaft offers pre installed groove 14, can be with by the setting of pre installed groove 14 Enable shaft 5 that a variety of rotary heads to be installed, promote the practicability of this motor, the top and bottom on the left of 2 inner cavity of cap is provided with The top and bottom of carbon brush component 6,1 left side of shell offers air inlet 7, and the left side of air inlet 7 is provided with sponge strainer 17, By the setting of sponge strainer 17, the air for entering 1 inner cavity of shell can be filtered, promote the fortune of 1 internal component of shell Row environment, promotes the stability of this motor operation, and the outer surface of sponge strainer 17 is provided with safety guard net 18, and security protection The top and bottom on 18 right side of net is fixedly connected with the left side of shell 1, by the setting of safety guard net 18, can protect sea Continuous strainer 17 avoids foreign matter from damaging sponge strainer 17, reduces sponge strainer 17 to the filter effect of air, the bottom on 2 right side of cap Portion is fixedly connected with fixed block 11, and the right side of fixed block 11 is fixedly connected with micro air pump 12, the top and bottom on 2 right side of cap Gas vent 8 is offered, and the quantity of gas vent 8 is two, the right side of cap 2 is provided with connecting leg 9, the both ends difference of connecting leg 9 It is connected to the right side of two gas vents 8, the bottom on 9 right side of connecting leg is communicated with air intake duct 10, the one end of air intake duct 10 far from connecting leg 9 Be connected to the suction end of micro air pump 12, the exhaust end of micro air pump 12 is arranged with carbon dust collecting cloth capsule 13, the top of shell 1 with Bottom is fixedly connected to link block 15, and link block 15 is fixedly connected with mounting blocks 16 far from the side of shell 1, passes through link block 15 and mounting blocks 16 setting, installation can be fixed to this motor convenient for user, improve the applicability of this motor, pass through The setting of air inlet 7, gas vent 8, connecting leg 9, air intake duct 10, fixed block 11, micro air pump 12 and carbon dust collecting cloth capsule 13, not only The thermal energy that can be generated when rotated to rotor 4 radiates, additionally it is possible to carry out to the carbon dust that carbon brush component 6 generates in the running It absorbs, solving the carbon dust that carbon brush is generated in friction inside traditional brushed DC motor can not be discharged, and easily induce asking for accident Topic, the high safety performance brushed DC motor have the advantages of high safety performance, are worthy to be popularized.

In use, starting micro air pump 12 by external controller, air is through sponge strainer 17 while starting this motor It is filtered through the inner cavity that air inlet 7 enters shell 1, air passes through gas vent from the gap in 1 inner cavity of shell between electric machine assembly 8, connecting leg 9 and air intake duct 10 solve traditional brushed DC electricity by 12 suction of micro air pump to the inside of carbon dust collecting cloth capsule 13 The problem of carbon dust that carbon brush is generated in friction inside machine can not be discharged, and easily induce accident.

In summary: the high safety performance brushed DC motor, by air inlet 7, gas vent 8, connecting leg 9, air intake duct 10, The cooperation of fixed block 11, micro air pump 12 and carbon dust collecting cloth capsule 13 solves carbon brush inside traditional brushed DC motor and is rubbing The problem of carbon dust generated when wiping can not be discharged, and easily induce accident.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of high safety performance brushed DC motor, including shell (1), cap (2), permanent magnet (3), rotor (4), shaft (5) and carbon brush component (6), it is characterised in that: the top and bottom on the left of the shell (1) offers air inlet (7), described Bottom on the right side of cap (2) is fixedly connected with fixed block (11), is fixedly connected with micro air pump on the right side of the fixed block (11) (12), the top and bottom on the right side of the cap (2) offers gas vent (8), and the quantity of gas vent (8) is two, institute It states and is provided on the right side of cap (2) connecting leg (9), the both ends of the connecting leg (9) are connected to the right side of two gas vents (8) respectively, Bottom on the right side of the connecting leg (9) is communicated with air intake duct (10), the air intake duct (10) one end and miniature gas far from connecting leg (9) The suction end connection of (12) is pumped, the exhaust end of the micro air pump (12) is arranged with carbon dust collecting cloth capsule (13).

2. a kind of high safety performance brushed DC motor according to claim 1, it is characterised in that: in the shell (1) It is connected on the right side of chamber cap (2), the top and bottom of shell (1) inner cavity is provided with permanent magnet (3), the shell (1) inner cavity is horizontally arranged with rotor (4), and rotor (4) is located at the inside of permanent magnet (3), and the both ends of the rotor (4) are run through It being provided with shaft (5), the left end of the shaft (5) is at the center on the left of shell (1) and extends to the outside of shell (1), The right end of the shaft (5) runs through cap (2) and extends to the outside of cap (2), and the surrounding of shaft (5) left end opens up Have pre installed groove (14), the top and bottom on the left of cap (2) inner cavity is provided with carbon brush component (6).

3. a kind of high safety performance brushed DC motor according to claim 1, it is characterised in that: the shell (1) Top and bottom is fixedly connected to link block (15), and the link block (15) is fixedly connected with peace far from the side of shell (1) It fills block (16).

4. a kind of high safety performance brushed DC motor according to claim 1, it is characterised in that: the air inlet (7) Left side be provided with sponge strainer (17), the outer surface of the sponge strainer (17) is provided with safety guard net (18), and safety Top and bottom on the right side of protective net (18) is fixedly connected on the left of shell (1).