CN207603344U - The brush support structure of motor - Google Patents

Abstract

The utility model provides a kind of brush support structure of motor, it includes brush carrier (11), on the brush carrier (11) two torque springs (12) for being used to squeeze brush (16) are radially symmetrically provided with relative to the brush carrier (11), the position (13) of the standard contact for Anti-pinch motor can be set by including on the brush carrier (11), the brush carrier (11) also has the brush mounting portion (18) for installing the brush (16), it is characterized in that, the torque spring (12) is arranged on the side opposite with above-mentioned position (13) of the brush mounting portion (18).The brush carrier body design of the brush support structure of motor according to the present utility model can be suitable for common electric machine and Anti-pinch motor simultaneously.

Description

The brush support structure of motor

Technical field

The utility model is related to a kind of brush support structure of motor, particularly in brush support structure torque spring cloth Put the improvement of structure.

Background technology

In the prior art, motor includes brush support structure, and brush support structure includes brush carrier and is contained in brush carrier On torque spring and brush etc..

In addition, motor is divided into Anti-pinch motor and common electric machine, wherein Anti-pinch motor can be used for the glass for vehicle window of automobile Lifting, it is therefore desirable to solve the problems, such as to avoid crushing human hand etc. when the glass for vehicle window of automobile rises, so Anti-pinch motor requires to have One electronic module is controlled, so the plug mode of Anti-pinch motor is different from the plug mode of common electric machine, Anti-pinch motor There is the metal patch piece coordinated with electronic module.In contrast, the metal patch piece of common electric machine is typically directly moulded in brush In plate ontology.

Fig. 1 shows a kind of vertical view of the brush support structure of common electric machine of the prior art.Fig. 2 shows in Fig. 1 Torque spring near structure schematic diagram.As shown in Figs. 1-2, brush support structure includes brush carrier 1, is set on brush carrier 1 There are two torque spring 2, torque spring 2 is used to squeeze brush 6.Two torque springs 2 relative to brush carrier 1 center substantially diameter To be symmetrical arranged.The brush carrier 1 shown in Fig. 1 is used for common electric machine, therefore is not provided at the position indicated in reference numeral 3 Metal patch piece, but there are spaces, this provides space for the setting of torque spring 2.But for Anti-pinch motor, attached drawing It just needs to set metal patch piece at the position that label 3 indicates, torque spring 2 thus is set without enough spaces .Therefore, the brush support structure shown in Fig. 1 is suitable only for common electric machine, and is not suitable for Anti-pinch motor, thus anti-pinch electricity The brush support structure that machine just needs another different.

Fig. 2 is the schematic diagram that brush 6 is under pre-assembled state, and center brush 6 is fully inserted into and is assembled to not yet In its scheduled installation site 8.Torque spring 2 is substantially surrounded by curved wall 4 and straight wall 5.One end of torque spring 2 is (i.e. Upper end) it is leaned against on curved wall 4 and straight wall 5, and another end (i.e. lower end) 7 is from the space that curved wall 4 and straight wall 5 are surrounded It stretches out to be fixed on brush 6, so as to which after assembling brush 6 can be squeezed by its own torsion.Such as Fig. 2 institutes Show, torque spring 2 is arranged in the periphery wall being made of curved wall 4 and straight wall 5, thus cause the torque spring 2 easily from Predetermined installation site deviates and deformation, and so as to which easily other components are interferenceed with surrounding, this can influence torque spring 2 and realize it just Chang Gongneng.

Utility model content

In view of the above-mentioned technical problem of the prior art, the purpose of this utility model is that developing a kind of brush carrier knot of motor Structure, the brush carrier body design of the brush support structure of the motor can be suitable for common electric machine and Anti-pinch motor simultaneously.

In order to achieve the goal above, the utility model provides a kind of brush support structure of motor, including brush carrier, Two are radially symmetrically provided with for squeezing the torque spring of brush relative to the brush carrier on the brush carrier, The position of the standard contact for Anti-pinch motor can be set by including on the brush carrier, and the brush carrier also has to pacify Fill the brush mounting portion of the brush, which is characterized in that the torque spring is being arranged on the brush mounting portion with above-mentioned portion On the opposite side in position.

In terms of technique effect, said program according to the present utility model, the torque spring is arranged on the brush peace On the side opposite with above-mentioned position in dress portion, so as to which standard contacts, such as metal patch piece for Anti-pinch motor are remained and set Between emptying.Therefore, the brush carrier body design of the brush support structure of the motor can be suitable for common electric machine and anti-pinch electricity simultaneously Machine.Because Anti-pinch motor and common electric machine can be used in conjunction with identical brush carrier body design, this is very beneficial for producing Product hardware and software platform so as to reduce the investment of product line, shortens the time for replacing model.

Preferably, the brush support structure further includes the positioning pin projected upwards from the surface of the brush carrier, described fixed Position pin is stretched out across torque spring inside and from the top of the torque spring, so as to which the positioning pin supports and positions The torque spring.

In terms of technique effect, the utility model is preferably by positioning pin, thus when torque spring is assembled Torque spring can be easily positioned and install, and during follow-up use, the position of torque spring is also not easy to drift out Its predetermined installation site, so as to other components will not interferenceing with surrounding, and positioning pin can prevent torque spring from predetermined Installation site inadequately deforms, so as to ensure that torque spring realizes its normal function.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the embodiment of the utility model Attached drawing to be used is briefly described.

Fig. 1 shows a kind of vertical view of the brush support structure of common electric machine of the prior art.

Fig. 2 shows the schematic diagrames of the structure near the torque spring in Fig. 1.

Fig. 3 is the vertical view of the brush support structure according to the present utility model for Anti-pinch motor.

Fig. 4 is the vertical view of the brush support structure according to the present utility model for common electric machine.

Fig. 5 shows the enlarged diagram of the structure near the torque spring in Fig. 3 and Fig. 4.

Specific embodiment

In order to enable those skilled in the art to better understand the technical solutions of the present invention, it is new below in conjunction with this practicality The technical solution in the embodiment of the utility model is clearly and completely described in attached drawing in the embodiment of type.

Fig. 3 is the vertical view of the brush support structure according to the present utility model for Anti-pinch motor.Fig. 4 is according to this practicality The vertical view of the novel brush support structure for common electric machine.Fig. 5 shows the knot near the torque spring in Fig. 3 and Fig. 4 The enlarged diagram of structure.

As shown in figure 3, the brush support structure for Anti-pinch motor includes brush carrier 11, there are two turn round for setting on brush carrier 11 Power spring 12, torque spring 12 are used to squeeze brush 16 (part for showing brush 16 in Fig. 5).Two 12 phases of torque spring It is symmetrical arranged for the center of brush carrier 11 is approximately radial.The brush carrier 11 shown in Fig. 3 is used for Anti-pinch motor, and Anti-pinch motor has With the metal patch piece 19 of electronic module cooperation, specifically, two are provided at the position of the instruction of reference numeral 13 in figure 3 Metal patch piece 19, i.e., for the standard contact of Anti-pinch motor.According to the utility model, torque spring 12 is not located at close It at the position that reference numeral 13 indicates, and has been provided at the position at the position for leaving the instruction of reference numeral 13, such as Fig. 3 institutes Show.

As shown in figure 5, the side of torque spring 12, which is provided with, is substantially perpendicular to each other the straight wall 14 of arrangement and straight wall 15, straight wall 15 side opposite with torque spring 12 is provided with the brush mounting portion 18 for installing brush 16.One of torque spring 12 End is leaned against in straight wall 14, and another end 17 is then stretched out across straight wall 15 towards brush mounting portion 18, to be fixed to On brush 16, so as to which after assembling brush 16 can be squeezed by its own torsion.And combine Fig. 3 and Fig. 5 it is found that Torque spring 12 is being arranged on brush mounting portion 18 with the above-mentioned side that can to set the position 13 of metal patch piece 19 opposite On.

According to the utility model, positioning pin 20 is arranged on brush carrier 11 and is projected upwards from the surface of brush carrier 11, fixed Position pin 20 is passed through inside torque spring 12, and is stretched out from the top of torque spring 12.Positioning pin 20 supports and positions torsion bullet Spring 12.By positioning pin 20, the position of torque spring 12 is fixed.The utility model employs positioning pin 20, and eliminates Curved wall 4 as shown in Figure 2 and the fixed structure of straight wall 5, thus can be easily positioned when torque spring 12 are assembled and Torque spring 12 is installed, and during follow-up use, the position of torque spring 12 is also not easy to drift out its predetermined installation Position, so as to other components interference with surrounding, and positioning pin 20 is also prevented from torque spring 12 from predetermined installation Position inadequately deforms, so as to ensure that torque spring 12 realizes its normal function.

Fig. 4 is the vertical view of the brush support structure according to the present utility model for common electric machine.Brush support structure in addition to Other component is basic similar in Fig. 3 outside the position that reference numeral 113 indicates, therefore identical part is not repeated to retouch It states.In Fig. 4, the brush support structure including brush carrier 111 is used for common electric machine, and the metal patch piece of common electric machine is usually straight It connects and is moulded in brush plate ontology, so common electric machine does not need to set metal patch piece at the position indicated in reference numeral 113, Therefore it is not provided with metal patch piece at position 113.In the case, the structure near torque spring 112 still can use Structure shown in Fig. 5.The brush carrier body design of brush support structure according to the present utility model can be suitable for simultaneously as a result, Anti-pinch motor and common electric machine.

In conclusion the brush carrier body design of brush support structure according to the present utility model can be same in Automobile Design When be suitable for Anti-pinch motor and common electric machine, while also remained for standard contacts, such as metal patch piece 19 of Anti-pinch motor Installation space.According to the utility model, because Anti-pinch motor and common electric machine can be used in conjunction with identical brush carrier ontology and set Meter, so this is very beneficial for product platform, so as to reduce the investment of product line, shorten replace model when Between.In addition, thus the utility model can be easily positioned and pacify when torque spring is assembled preferably by positioning pin Torque spring is filled, and during follow-up use, the position of torque spring is also not easy to drift out its predetermined installation site, from Interference without other components with surrounding, and positioning pin can prevent torque spring from inadequately becoming from predetermined installation site Shape, so as to ensure that torque spring realizes its normal function.

The above is only specific embodiment of the utility model.It should be pointed out that the ordinary skill for the art For personnel, under the premise of the principle and design for not departing from the utility model, the feature of above-described embodiment can also be carried out Several improvement and modification are made in various combinations, these combinations, improvement and modification also should be regarded as falling the protection in the utility model Within scope and spirit.

Claims (2)

1. a kind of brush support structure of motor, including brush carrier (11), relative to the brush carrier on the brush carrier (11) (11) be radially symmetrically provided with two for squeezing the torque springs (12) of brush (16), on the brush carrier (11) The position (13) of the standard contact for Anti-pinch motor can be set by including, and the brush carrier (11) also has for installing The brush mounting portion (18) of brush (16) is stated,

It is characterized in that,

The torque spring (12) is arranged on the side opposite with above-mentioned position (13) of the brush mounting portion (18).

2. the brush support structure of motor according to claim 1, which is characterized in that

The brush support structure further includes the positioning pin (20) projected upwards from the surface of the brush carrier (11), the positioning pin (20) across the torque spring (12) inside and from the stretching of the top of the torque spring (12), so as to the positioning pin (20) Support and position the torque spring (12).