CN207304245U - A kind of brush carriage with air passage - Google Patents

A kind of brush carriage with air passage Download PDF

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Publication number
CN207304245U
CN207304245U CN201721180956.XU CN201721180956U CN207304245U CN 207304245 U CN207304245 U CN 207304245U CN 201721180956 U CN201721180956 U CN 201721180956U CN 207304245 U CN207304245 U CN 207304245U
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China
Prior art keywords
brush
main frame
frame body
air passage
hole
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CN201721180956.XU
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Chinese (zh)
Inventor
洪自信
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Jiangmen Zixin Motor Co Ltd
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Jiangmen Zixin Motor Co Ltd
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Priority to CN201721180956.XU priority Critical patent/CN207304245U/en
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Abstract

The utility model discloses a kind of brush carriage with air passage, including main frame body and two brush assembly of electric for being symmetrically disposed on main frame body both sides, the U-shaped structure of main frame body, including the first connecting portion for fixing commutator and two second connecting portions for being separately positioned on first connecting portion both sides, two second connecting portions are used to fix two brush assembly of electric respectively, the main frame body further includes two wind shields of be symmetrically disposed on first connecting portion both sides two, the both ends of each wind shield are respectively connected with two second connecting portions, it is provided with main frame body and the air passage formed is enclosed by first connecting portion and two wind shields.Air passage is provided with this brush carriage, in the motor course of work, can be helped to shed the heat that especially steering gear nearby produces inside it, avoid motor internal due to the accumulation of heat and produce high temperature, so as to influence the normal work of motor, improve the heat dissipation performance of motor and extend the service life of motor.

Description

A kind of brush carriage with air passage
Technical field
It the utility model is related to motor field, more particularly to a kind of brush carriage with air passage.
Background technology
Motor main function is to produce driving torque, and as electrical appliance or various mechanical power sources, generator is in circuit It is middle to represent that its main function is to be converted into mechanical energy using electric energy with letter G.Brush in brush motor, which is used as, to be imported and exported Electric current sliding contact body, is directly to determine the critical component with brush motor service life, the brush in brush motor passes through brush Stent is fixed in motor.
During the work time, particularly rotor can nearby produce amount of heat to band brush motor inside it, and at present in motor The brush carriage for being used to support brush on the outside of rotor, is typically designed to semi-closed structure, this results in motor worked The heat produced in journey is difficult to shed, and causes brush carriage and shell etc. to deform at high temperature, influences motor radiating performance While also shorten the service life of motor.
Utility model content
The utility model aims to solve the problem that above-mentioned mentioned technical problem, there is provided one kind is simple in structure, can improve motor dissipates Hot property and the brush carriage with air passage for extending motor service life.
The utility model is realized by following technical solution：A kind of brush carriage with air passage, including body frame Body and two brush assembly of electric for being symmetrically disposed on main frame body both sides, each brush assembly of electric include the brush of brush and fixed brush Frame, is provided with commutator between two brush assembly of electric, and accommodating and fixed brush frame through hole, the body frame are offered on main frame body The U-shaped structure of body, including the first connecting portion for fixing commutator and be separately positioned on first connecting portion both sides two the Two connecting portions, two second connecting portions are used to fix two brush assembly of electric respectively, and the main frame body further includes two and is symmetrical arranged Two wind shields in first connecting portion both sides, the both ends of each wind shield are respectively connected with two second connecting portions, body frame It is provided with body and the air passage formed is enclosed by first connecting portion and two wind shields.
Preferably, the air passage is arranged above through hole and is connected with through hole.
Preferably, heat emission hole is offered in the first connecting portion.
Preferably, the two side walls of the brush carrier abut respectively with the two side walls of through hole.
Preferably, the brush carrier is built-in with compression spring close to one end of main frame body, and it is remote that one end of brush is connected to compression spring One end of main frame body, the other end of brush are crimped with the commutator.
Preferably, outstanding wing plate is both provided with the two side of each brush carrier, use is provided with wing plate In being provided with supporting wing plate in the protrusion abutted with end outer rim of the through hole towards one end on the inside of main frame body, the madial wall of through hole Groove, be provided with the fixing piece being fixed on wing plate on groove in through hole.
Preferably, the fixing piece is fixed with the mode that main frame body is connected through a screw thread.
Beneficial effect is：Air passage is provided with this brush carriage, in the motor course of work, can be helped to shed inside it The heat that especially steering gear nearby produces, avoids motor internal due to the accumulation of heat and produces high temperature, so as to influence motor Normal work, improve the heat dissipation performance of motor and extend the service life of motor.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used briefly describes.Obviously, described attached drawing is the part of the embodiment of the utility model, rather than entirely Portion's embodiment, those skilled in the art without creative efforts, can also obtain it according to these attached drawings His designing scheme and attached drawing.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the right view of the utility model；
Fig. 4 is the decomposition texture schematic diagram of the utility model；
Fig. 5 is the structure diagram of two brush assembly of electric of the utility model.
Embodiment
Carried out below with reference to the technique effect of the design of embodiment and attached drawing to the utility model, concrete structure and generation Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is the part of the embodiment of the utility model, rather than whole embodiments, the embodiment based on the utility model, the skill of this area The other embodiments that art personnel are obtained without creative efforts, belong to the protection model of the utility model Enclose.In addition, all connection relations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific implementation feelings Condition, by adding or reducing connection auxiliary, to form more preferably connection structure.Each technical characteristic in the invention, Can be with combination of interactions on the premise of not conflicting conflict.
Embodiment 1, as shown in Fig. 1 to 5, a kind of brush carriage with air passage, including main frame body 1 and it is symmetrically disposed on master Two brush assembly of electric of 1 both sides of frame body, each brush assembly of electric include the brush carrier 2 of brush 21 and fixed brush 21, two brushes Commutator 3 is provided between component, accommodating and fixed brush frame 2 through hole 11 is offered on main frame body 1, the main frame body 1 is in U Type structure, including for fixing the first connecting portion 4 of commutator 3 and being separately positioned on two second of 4 both sides of first connecting portion Connecting portion, two second connecting portions are used to fix two brush assembly of electric respectively, and the main frame body 1 further includes two and is symmetrically disposed on Two wind shields 5 of 4 both sides of first connecting portion, the both ends of each wind shield 5 are respectively connected with two second connecting portions, body frame The air passage 6 enclosed by first connecting portion 4 and two wind shields 5 is provided with body 1, air passage 6 is arranged at the top of through hole 11 simultaneously Connected with through hole 11, when motor works, the heat that motor internal particularly commutator 3 nearby produces is with air from air passage 6 It is swapped out, reduces motor internal particularly commutator 3 heat build-up nearby, prevent motor internal particularly near commutator 3 Temperature is excessive, influences the normal operation of motor.
As shown in Figures 1 to 3, heat emission hole 41 is offered in first connecting portion 4, can also help motor to shed when motor works Amount of heat caused by operating, improves the radiating efficiency of motor.
As shown in Fig. 1 to 5, brush carrier 2 is built-in with compression spring close to one end of main frame body 1, and one end of brush 21 is connected to pressure The one end of spring away from main frame body 1, the other end of brush 21 are crimped with the commutator 3, are all provided with the two side of each brush carrier 2 Be equipped with outstanding wing plate 22, be provided with wing plate 22 for through hole 11 towards outside the end of one end of the inner side of main frame body 1 Protrusion 23 that edge abuts, the groove for supporting wing plate 22 is provided with the madial wall of through hole 11, is provided with through hole 11 by wing plate 22 The fixing piece 12 being fixed on groove.First brush 21 is pressed into brush carrier 2 during installation, its one end is connected on compression spring, Brush carrier 2 is caught in through hole 11 again, the other end of brush 21 is crimped in steering gear 3, side wall and the through hole 11 of brush carrier 2 Side wall abut.At this time, since the two side walls of brush carrier 2 are abutted with the two side walls of through hole 11 respectively, brush carrier 2 is with changing It can not be moved in the horizontal direction vertical to 3 cross central line of device.In addition, brush carrier 2 is on the horizontal line of 3 radial direction of commutator, Since the brush 21 towards 3 one end of commutator is crimped in steering gear 3, while when brush carrier 2 is moved backwards to commutator 3, electricity Protrusion 23 on brush holder 2 can be connected to main frame body 1 towards the side of commutator 3, brush carrier 2 is not continued to move to.
At this time, fixing piece 12 is inserted into the upside of main frame body 1, makes fixing piece 12 and body frame threadably Body 1 is fixed, and 22 clamping connection of wing plate of brush carrier 2 is between through hole 11 and fixing piece 12, the movement of such 2 vertical direction of brush carrier Limited, the translational motion of certain distance can only be done on the cross central line along commutator 3, ensure that brush 21 and commutator 3 come into full contact with, and the normal work of motor.
Through hole 11, brush carrier 2 and brush 21 include symmetrically arranged two parts of longitudinal centre line on commutator 3, and Through hole 11, brush carrier 2 and brush 21 are arranged on the cross central line of commutator 3, and the cross central line of commutator 3 is and commutation The longitudinal centre line of device 3 is vertical and passes through the straight line of commutator 3.
Embodiment 2, as shown in Fig. 1 to 5, a kind of brush carriage with air passage, including main frame body 1 and it is symmetrically disposed on master Two brush assembly of electric of 1 both sides of frame body, each brush assembly of electric include the brush carrier 2 of brush 21 and fixed brush 21, two brushes Commutator 3 is provided between component, accommodating and fixed brush frame 2 through hole 11 is offered on main frame body 1, the main frame body 1 is in U Type structure, including for fixing the first connecting portion 4 of commutator 3 and being separately positioned on two second of 4 both sides of first connecting portion Connecting portion, two second connecting portions are used to fix two brush assembly of electric respectively, and the main frame body 1 further includes two and is symmetrically disposed on Two wind shields 5 of 4 both sides of first connecting portion, the both ends of each wind shield 5 are respectively connected with two second connecting portions, body frame Side is provided with and first connecting portion 4 and two wind shields 5 while is connected fixed thermal insulation board on body 1, is made of heat-absorbing material, Opposite side on main frame body 1 is provided with the air passage 6 enclosed by first connecting portion 4 and two wind shields 5, and air passage 6 is arranged at The top of through hole 11 is simultaneously connected with through hole 11, when motor works, the heat one of motor internal particularly commutator 3 generation nearby Divide and absorbed in the side of main frame body 1 by thermal insulation board, another part is swapped out from the air passage 6 of 1 opposite side of main frame body, reduces motor Heat build-up near internal particularly commutator 3, prevents that temperature of the motor internal particularly near commutator 3 is excessive, influences electricity The normal operation of machine.
As shown in Figures 1 to 3, heat emission hole 41 is offered in first connecting portion 4, can also help motor to shed when motor works Amount of heat caused by operating, improves the radiating efficiency of motor.
As shown in Fig. 1 to 5, brush carrier 2 is built-in with compression spring close to one end of main frame body 1, and one end of brush 21 is connected to pressure The one end of spring away from main frame body 1, the other end of brush 21 are crimped with the commutator 3, are all provided with the two side of each brush carrier 2 Be equipped with outstanding wing plate 22, be provided with wing plate 22 for through hole 11 towards outside the end of one end of the inner side of main frame body 1 Protrusion 23 that edge abuts, the groove for supporting wing plate 22 is provided with the madial wall of through hole 11, is provided with through hole 11 by wing plate 22 The fixing piece 12 being fixed on groove.First brush 21 is pressed into brush carrier 2 during installation, its one end is connected on compression spring, Brush carrier 2 is caught in through hole 11 again, the other end of brush 21 is crimped in steering gear 3, side wall and the through hole 11 of brush carrier 2 Side wall abut.At this time, since the two side walls of brush carrier 2 are abutted with the two side walls of through hole 11 respectively, brush carrier 2 is with changing It can not be moved in the horizontal direction vertical to 3 cross central line of device.In addition, brush carrier 2 is on the horizontal line of 3 radial direction of commutator, Since the brush 21 towards 3 one end of commutator is crimped in steering gear 3, while when brush carrier 2 is moved backwards to commutator 3, electricity Protrusion 23 on brush holder 2 can be connected to main frame body 1 towards the side of commutator 3, brush carrier 2 is not continued to move to.
At this time, fixing piece 12 is inserted into the upside of main frame body 1, makes fixing piece 12 and body frame threadably Body 1 is fixed, and 22 clamping connection of wing plate of brush carrier 2 is between through hole 11 and fixing piece 12, the movement of such 2 vertical direction of brush carrier Limited, the translational motion of certain distance can only be done on the cross central line along commutator 3, ensure that brush 21 and commutator 3 come into full contact with, and the normal work of motor.
Through hole 11, brush carrier 2 and brush 21 include symmetrically arranged two parts of longitudinal centre line on commutator 3, and Through hole 11, brush carrier 2 and brush 21 are arranged on the cross central line of commutator 3, and the cross central line of commutator 3 is and commutation The longitudinal centre line of device 3 is vertical and passes through the straight line of commutator 3.
Above example is not limited to the embodiment technical solution of itself, can be incorporated between embodiment new Embodiment.Above example is only not limited to illustrate the technical solution of the utility model, all without departing from this Any modification of utility model spirit and scope or equivalent substitution, it should all cover the scope in technical solutions of the utility model It is interior.

Claims (7)

1. a kind of brush carriage with air passage, including main frame body and two brush assembly of electric for being symmetrically disposed on main frame body both sides, Each brush assembly of electric includes the brush carrier of brush and fixed brush, is provided with commutator between two brush assembly of electric, on main frame body Offer accommodating and fixed brush frame through hole, it is characterised in that the U-shaped structure of main frame body, including commutate for fixed The first connecting portion of device and two second connecting portions for being separately positioned on first connecting portion both sides, two second connecting portions are used to divide Two brush assembly of electric are not fixed, the main frame body further includes two wind shields of be symmetrically disposed on first connecting portion both sides two, The both ends of each wind shield are respectively connected with two second connecting portions, are provided with main frame body and are kept off by first connecting portion and two Aerofoil encloses the air passage formed.
A kind of 2. brush carriage with air passage according to claim 1, it is characterised in that：The air passage is arranged at through hole Top is simultaneously connected with through hole.
A kind of 3. brush carriage with air passage according to claim 1, it is characterised in that：Opened in the first connecting portion Equipped with heat emission hole.
A kind of 4. brush carriage with air passage according to claim 1, it is characterised in that：Two sides of the brush carrier Wall abuts respectively with the two side walls of through hole.
A kind of 5. brush carriage with air passage according to claim 1, it is characterised in that：The brush carrier is close to body frame One end of body is built-in with compression spring, and one end of brush is connected to the one end of compression spring away from main frame body, and the other end crimping of brush is State commutator.
A kind of 6. brush carriage with air passage according to claim 1, it is characterised in that：The two of each brush carrier Outstanding wing plate is both provided with side wall, is provided with wing plate for the end with through hole towards one end on the inside of main frame body The protrusion that outer rim abuts, the groove of supporting wing plate is provided with the madial wall of through hole, be provided with through hole wing plate is fixed on it is recessed Fixing piece on groove.
A kind of 7. brush carriage with air passage according to claim 6, it is characterised in that：The fixing piece and main frame body The mode being connected through a screw thread is fixed.
CN201721180956.XU 2017-09-14 2017-09-14 A kind of brush carriage with air passage Active CN207304245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721180956.XU CN207304245U (en) 2017-09-14 2017-09-14 A kind of brush carriage with air passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721180956.XU CN207304245U (en) 2017-09-14 2017-09-14 A kind of brush carriage with air passage

Publications (1)

Publication Number Publication Date
CN207304245U true CN207304245U (en) 2018-05-01

Family

ID=62441544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721180956.XU Active CN207304245U (en) 2017-09-14 2017-09-14 A kind of brush carriage with air passage

Country Status (1)

Country Link
CN (1) CN207304245U (en)

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