CN209692543U - A kind of carbon brush component and motor - Google Patents

Abstract

The utility model discloses a kind of carbon brush component, be mounted on the motor equipped with commutator comprising brush-box, the carbon brush being fixed in brush-box and be connected to motor for driving carbon brush to be connected to the elastic support on commutator.By the way that carbon brush to be fixed in brush-box, it can effectively prevent the vibration of carbon brush caused by carbon brush swings during the work time, then the elastic support by being connected to motor, carbon brush can be driven to be connected to the function of realizing commutation on commutator；The carbon brush component of the utility model has the characteristics that structure is simple, production cost is low, the operation is stable, long service life.

Description

A kind of carbon brush component and motor

Technical field

The utility model relates to carbon brush technical field, specially a kind of carbon brush component and motor.

Background technique

Motor includes the end cap of the port of shell, lid conjunction shell, is equipped with stator, rotor in shell and is sheathed on rotor The commutator of neighbouring end cap one end is equipped with the carbon brush component slid against with commutator on end cap, and the carbon brush component will be to will Electric current imports or exports the motor.

Existing carbon brush component includes the brush-box being arranged in opening, the carbon brush being slidably mounted in brush-box, Yi Jishe It sets and drives carbon brush to be connected to the compressed spring on commutator between carbon brush and brush-box.In order to facilitate carbon brush in brush-box Sliding, needs that there are gaps between brush-box and carbon brush；In motor high speed rotation, due to the presence in frictional force gap, carbon brush Understand run-off the straight with compressed spring and swing and collide with brush-box, vibration is larger, and carbon brush component is easily damaged, and uses Service life is low.

Therefore, the existing technology needs to be improved and developed.

Utility model content

In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of carbon brush component and motor, gram The problems such as taking existing carbon brush component.

The technical solution of the utility model is as follows: the utility model provides a kind of carbon brush component, is mounted on equipped with commutator Motor on comprising brush-box, the carbon brush being fixed in brush-box and be connected to motor for driving carbon brush to support Connect the elastic support on commutator.

The still more preferably scheme of the utility model is: the elastic support is arc bracket, the arc bracket one End is fixed, and as the extraction electrode of rotor, the other end is connect with brush-box.

The still more preferably scheme of the utility model is: the arc bracket is connected with one end that brush-box is open.

The still more preferably scheme of the utility model is: the height of the brush-box is the half of carbon brush.

The still more preferably scheme of the utility model is: the cross section of the brush-box and the cross section of carbon brush are mutually fitted It answers.

The still more preferably scheme of the utility model is: the cross section of the brush-box is rectangular, the cross of the carbon brush Section is rectangular.

The still more preferably scheme of the utility model is: the brush-box back side is provided with for replacing the logical of carbon brush Hole.

The still more preferably scheme of the utility model is: the elastic support is structure as a whole with brush-box.

The still more preferably scheme of the utility model is: the carbon brush is interference fit with brush-box.

The utility model also provides a kind of motor, and including shell, end cap that shell both ends are arranged in, to be mounted on shell intracorporal Stator, rotor and rotor is sheathed on adjacent to the commutator of end cap one end, the motor further includes sliding against with commutator Carbon brush component as described in any of the above item.

The beneficial effects of the utility model are: can effectively prevent carbon brush by the way that carbon brush to be fixed in brush-box and exist The vibration of carbon brush caused by swinging in the course of work, then the elastic support by being connected to motor, can drive carbon brush to abut The function of commutation is realized on commutator；The carbon brush component of the utility model is with structure is simple, production cost is low, work is steady Calmly, the features such as long service life.

Detailed description of the invention

Fig. 1 is the half sectional view of the utility model motor；

Fig. 2 is the cross-sectional view in the direction A-A of Fig. 1.

Specific embodiment

The utility model provides a kind of carbon brush component and motor, to make the purpose of this utility model, technical solution and effect It is clearer, clear, the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that herein Described specific embodiment is only used to explain the utility model, is not used to limit the utility model.

A kind of carbon brush component 10 provided by the embodiment of the utility model, together referring to shown in Fig. 1, Fig. 2, be mounted on be equipped with change On the motor of device 20 comprising: it brush-box 11, the carbon brush 12 being fixed in brush-box 11 and is connected to motor Elastic support 13 for driving carbon brush 12 to be connected on commutator 20.It, can be with by the way that carbon brush 12 to be fixed in brush-box 11 Carbon brush 12 caused by effectively preventing carbon brush 12 from swinging during the work time vibrates, then the elasticity by being connected to motor Bracket 13 can drive carbon brush 12 to be connected to the function of realizing commutation on commutator 20；The carbon brush component 10 of the utility model has There is the features such as structure is simple, production cost is low, the operation is stable, long service life；Due to the characteristic of its operation is stable, can be applied to Various high-revolving motors.It should be noted that in order to realize guide function, in the present embodiment, the brush-box 11 and bullet Property bracket 13 is made of conductive material.

Further, as shown in Fig. 2, the elastic support 13 is arc bracket, described arc bracket one end is fixed, as The extraction electrode of rotor；The other end is connect with brush-box 11.By setting arc bracket, and and brush-box for elastic support 13 11, can be under the precondition for providing pressing force for carbon brush 12, the effective structural strength for improving elastic support 13 improves The service life of bracket.The arc bracket is reed, connects motor and brush-box by reed, is guaranteeing enough elastic force Under, also have good conductive property heat dissipation performance.In a further embodiment, the elastic support 13 may be The metallic support of vertical bar shape, the metallic support of vertical bar shape equally can provide pressing force for carbon brush.

Further, as shown in Fig. 2, the arc bracket is connected with one end that brush-box 11 is open.By by arc Bracket is connect with one end that brush-box 11 is open, and be can be further improved stability when carbon brush component 10 works, is improved and use Service life.

Further, as shown in Fig. 2, the height of the brush-box 11 is the half of carbon brush 12.By the way that brush-box 11 is set It is set to the half of carbon brush 12, when carbon brush 12 to be mounted on brush-box 11, arc bracket is placed exactly in the middle part of carbon brush 12, can Further to improve the stability of carbon brush component 10.

Further, as shown in Fig. 2, the cross section of the brush-box 11 and the cross section of carbon brush 12 are adapted.Passing through will The cross section of brush-box 11 is set as being adapted with the cross section of carbon brush 12, can effectively improve brush-box 11 and carbon brush 12 Assembly precision and bonding strength effectively improve the stability when work of carbon brush 12.

Further, as shown in Fig. 2, the cross section of the brush-box 11 be it is rectangular, the cross section of the carbon brush 12 is side Shape.It is rectangular by the way that the cross section of brush-box 11 and carbon brush 12 to be disposed as, it can effectively prevent carbon brush 12 at work It rotates, improves stability when carbon brush 12 works.

Further, as shown in Fig. 2, 11 back side of the brush-box is provided with the through-hole 111 for replacing carbon brush 12.It is logical Increase through-hole 111 is crossed, can directly be ejected when carbon brush 12 wears and needs replacing by through-hole, it is convenient and efficient, it is effective to improve Working efficiency.

Further, as shown in Fig. 2, the elastic support 13 is structure as a whole with brush-box 11.By by elastic support 13 are structure as a whole with the setting of brush-box 11, can effectively reduce the difficulty of installation, while can be further improved carbon brush group The structural strength of part 10 improves stability when carbon brush component 10 works.

Further, as shown in Fig. 2, carbon brush 12 and brush-box 11 are interference fit.By by carbon brush 12 and brush-box 11 It is set as being interference fitted, can effectively improve stability when carbon brush 12 works, improve working efficiency.

Further, as shown in Figure 1, the utility model also provides a kind of motor, including shell 30, setting at 30 liang of shell The end cap 40 at end, the stator 50 being mounted in shell 30, rotor 60 and rotor 60 is sheathed on adjacent to the commutation of 40 one end of end cap Device 20, the motor further include the carbon brush component 10 as described in any of the above item slid against with commutator 20.By in electricity Increase above-mentioned carbon brush component 10 in machine, under the premise of guaranteeing commutator steady operation, the service life of motor can be improved, together When reduce production cost.

It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model The protection scope that benefit requires.

Claims (10)

1. a kind of carbon brush component is mounted on the motor equipped with commutator, which is characterized in that including brush-box, be fixed at Carbon brush in brush-box and be connected to motor for driving carbon brush to be connected to the elastic support on commutator.

2. carbon brush component according to claim 1, which is characterized in that the elastic support is arc bracket, the arc Bracket one end is fixed, the extraction electrode as rotor；The other end is connect with brush-box.

3. carbon brush component according to claim 2, which is characterized in that one end phase that the arc bracket is open with brush-box Connection.

4. carbon brush component according to claim 3, which is characterized in that the height of the brush-box is the half of carbon brush.

5. carbon brush component according to claim 4, which is characterized in that the cross section of the brush-box and the cross section of carbon brush It is adapted.

6. carbon brush component according to claim 5, which is characterized in that the cross section of the brush-box is rectangular, the carbon The cross section of brush is rectangular.

7. carbon brush component according to claim 1, which is characterized in that the back side of the brush-box is provided with for replacing carbon The through-hole of brush.

8. carbon brush component according to claim 7, which is characterized in that the elastic support is structure as a whole with brush-box.

9. carbon brush component according to claim 7, which is characterized in that the carbon brush is interference fit with brush-box.

10. a kind of motor, including shell, end cap that shell both ends are set, it is mounted on the intracorporal stator of shell, rotor and is arranged In rotor adjacent to the commutator of end cap one end, which is characterized in that the motor further includes being slid against with commutator such as right It is required that any carbon brush component of 1-9.