FR3087592A1 - ASSEMBLY FOR A MOTOR VEHICLE PULSER - Google Patents

Abstract

The subject of the invention is an assembly for an electric motor, in particular a motor vehicle blower, comprising a support (2), brushes (5) and at least one arm (7) for moving said brushes (5), said at least one arm (7) being provided with an element (11), said mounting element (11), shaped to cooperate with an associated member (4) of the support (2), so that, in one position, said mounting position, the mounting element (11) is engaged in the support member (4).

Description

Description Title of the invention: ASSEMBLY FOR A MOTOR VEHICLE PULSER [00011 1.

The invention relates to an assembly for an electric motor, in particular an air motor vehicle blower for a ventilation device, (the heating and / or air conditioning of a motor vehicle, 2.

It is known that such a ventilation, heating and / or air conditioning device makes it possible to regulate the temperature of an air flow intended to supply the passenger compartment of the vehicle. 3.

The air blower, for its part, allows the air flow to enter and circulate in the ventilation, heating and / or air conditioning device up to the outlet openings, where the air enters the passenger compartment. 4.

The pulsent- generally comprises an electric motor, in particular a brushed motor, on which a wheel is mounted to set the air in motion.

The blower also comprises a motor support in which the electric motor is housed, as well as the control device of the electric motor, the motor and the control device being connected to one another. 5. It is known to mount the halais on arms provided with springs in order to make them mobile.

However, such a configuration makes it difficult to assemble the brushes to the motor.

This is because the springs tend to keep the brushes in the center of the bracket, which makes it difficult to insert a motor manifold in the center of the bracket.

In order to keep the halais in a position away from the collector, a specific tool can be used for assembly.

However, the use of such a tool increases the assembly time. 6.

The aim of the invention is to at least partially remedy this drawback. 7.

To this end, the invention relates to an assembly for an electric motor, in particular a motor vehicle blower, comprising a support, brushes and at least one arm for moving said brushes, said at least one arm being provided with an element, said mounting element, shaped to cooperate with an associated member of the support, so that, in a position, called the mounting position, the mounting element is engaged in the member of the support.

8 Thus, thanks to the present invention, the assembly of the blower is greatly facilitated, since, during the introduction of the collector, the brushes are spaced from a center of the support, the arms being placed in the mounting position, this which allows easy insertion of the collector in the center of the support. 9.

According to another characteristic of the invention, the assembly comprises two arms for moving a brush, each arm being associated with a respective brush. 10.

According to another characteristic of the invention, each arm is movably mounted, one end of the arm being integral with the support. 11.

According to another characteristic of the invention, the mounting element projects out of the end of the arm opposite the end of the arm secured to the support. 12.

According to another characteristic of the invention, the mounting element is a convex shaped stud. 13.

According to another characteristic of the invention, each brush is carried by the end of the associated arm opposite the end of the arm secured to the support. 14.

According to another characteristic of the invention, the support comprises spaced edges so as to form a passage associated with each arm, the mounting member projecting out of one of the edges. 15.

According to another characteristic of the invention, a brush displacement arm is pivotally mounted. 16.

The subject of the invention is also a blower for a device of a motor vehicle ventilation, heating and / or air conditioning device, comprising an assembly as described above and a motor provided with a collector, each brush being in contact with it. the manifold in a functional position separate from the mounting position. 17.

The subject of the invention is also a ventilation, heating and / or air conditioning device for a motor vehicle, comprising a blower as described above. 18.

The subject of the invention is also a method for mounting a puiscur as described above, comprising a step of positioning the assembly in the mounting position, a subsequent step of positioning the collector in the support and a step of disconnecting. of the assembly member and of the assembly member so as to place the brushes in contact with the collector.

Brief description of the drawings

[0002] 1.

Other characteristics, details and advantages of the invention will become apparent on reading the detailed description below, and on analyzing the appended drawings, in which: FIG. 1

[0003] 1.1] illustrates a top view of an assembly according to the present invention in a first position, called the mounting position.

Fig. 2 [00041 1. (Fig. 21 illustrates a detail view of Fig. I.

Fig. 3 [00051 1.

[Fig. 31 illustrates a top view of the assembly of FIG. I in a second position, called the functional position.

Description of the embodiments [00061 Pulser, ventilation, heating and / or air conditioning device [00071 1.

The subject of the invention is an assembly for an electric motor, referenced 1 in the figures. 2.

The subject of the invention is also a blower (not illustrated) comprising the assembly 1 as well as an electric motor, a collector of which is illustrated in the figures. 3.

The subject of the invention is also a ventilation, heating and / or air conditioning device for a motor vehicle (not shown) equipped with said blower. 4.

The ventilation, heating and / or air conditioning device makes it possible to regulate the temperature of a flow of air intended for the passenger compartment of the vehicle. 5.

The blower allows air to penetrate and circulate in the ventilation, heating and / or air conditioning device.

Set [00081 1.

As can be seen in the figures, the assembly 1 for the electric motor of the blower comprises a support 2. 2.

In the figures, the support 2 has the general shape of an open cylinder.

Of course, the invention is not limited to this geometry. 3.

As particularly visible in Ligure 2, the support 2 comprises a passage 3 provided with a mounting member 4, which will be detailed below. 4.

The assembly 1 also includes brushes 5 'In the illustrated embodiment, the assembly I comprises two brushes.

Each brush 5 is intended to be pressed against a collector 6, visible in FIG. 3, as will be detailed later. 5.

The assembly 1 also comprises two arms 7, associated respectively with one of the brushes 5.

Each arm 7 allows the movement of the associated brush. 6.

As emerges from the figures, each arm 7 extends substantially. straight in a direction L between a first end 8 and a second end 9 7.

The first end 8 is mounted movably relative to the support 2.

In the figures, the first end 8 comprises a pivot 10 inserted in the support 2. 8.

As can be seen in Figures 1 to 3, each halai 5 is disposed near the second end 9 of the associated halai.

Preferably, each halai 5 extends in a direction forming an angle of between 700 and 90 "with the direction L of the associated displacement arm.

The second end 9 carries a mounting element 11 shaped to cooperate with the mounting member 4 of the support 2. 10.

As particularly visible in FIG. 2, the mounting element 11 is a protuberance in the form of a half-dome projecting from a surface of the arm 7 disposed transversely with respect to the direction L. 11.

Likewise, the mounting member 4 of the support 2 is a stud forming a protuberance.

The stud 4 is in the form of a half-dome in Figure 2.

The mounting element I l projects respectively out of the arm 7 towards the member 4 and the mounting member 4 projects out of the passage 3 towards the arm 7. 12.

The element 11 and the member 4 are configured so that, in a so-called mounting position, illustrated in Figures 1 and 2, the element 11 is forced into the support 2. 13.

In other words, in the mounting position, the arm 7 has rotated so that the element 11 has been pushed against the member 4 until the half-dome 11 is retained against the half-dome 4 , which engages the element 11 against the edges of the passage 3. 14.

In this position, the brushes 5 are spaced apart, kept at a distance from the center C of the support 2, which allows the insertion of the collector 6. 15.

Of course, the invention is not limited to the shapes of a half-dome for the mounting element and the mounting member, and any shape ensuring the maintenance of the arm in the support 2 can be imagined.

For example, the rectilinear edges of the passage 3 may constitute the mounting member of the support 2, or the protuberances forming the mounting member and / or the mounting member may have other shapes, in particular convex, such as 'a half-disc shape or a cylindrical shape. 16.

As can be seen from FIG. 3, in the functional position (that is to say in a working position of the blower), the brushes 7 are pressed against the collector 6 arranged around a motor shaft of the electric motor. 17.

Preferably, a return element, for example coinciding with the pivot, exerts a return force on the arm 7 in a direction of approach of the arm 7 towards the center C of the support 2.

Mounting method [0009; 1.

The subject of the invention is also a method for mounting the blower from assembly 1. 2.

First of all, the assembly 1 is positioned in the mounting position, by moving the arm 7 so as to forcibly introduce the mounting element 11 against the mounting member 4, as already described. 3.

Then, the collector 6 is inserted in the center C of the support 2, the arms being held in the mounting position. 4.

Then, the mounting member 4 is separated from the mounting element 11, for example by applying a force to the element 11 in a direction of approach of the arm 7 to the center C of the support.

As soon as the element 11 is disengaged from the support, the return element exerts a force on the displacement arm 7 which pivots the associated brush 5 towards the center C, until the brushes are placed in contact with the collector 6 , Benefits provided

[0010] 1.

The assembly 1, in particular thanks to the cooperation of the mounting element 11 of the arm 7 with the mounting member 4 of the support 2, ensures, in the mounting position, to position the brushes 5 at a distance from the center, which is free to receive the collector. 2.

As is clear from the description, the assembly process is greatly facilitated.

Indeed, the brushes of the electric motor can be held in a separated position reliably without using any tool for assembly. 6

Claims (1)

Claims [Claim 1] Assembly for an electric motor, in particular a motor vehicle blower, comprising a support (2), brushes (5) and at least one arm (7) for moving said brushes (5), said at least one arm (7 ) being provided with an element (11), said mounting element (11), configured to cooperate with a member (4) associated with the support (2), so that, in one position, called the mounting position, the mounting element (11) is engaged in the support member (4). [Claim 2] An assembly according to claim 1, comprising two arms for moving a brush, each arm (7) being associated with a respective brush (5). [Claim 3] Assembly according to the preceding claim, in which each arm (7) is movably mounted, one end (8) of the arm (7) being integral with the support (2). [Claim 4] Assembly according to the preceding claim, in which the mounting element (11) projects from the end (9) of the arm (7) opposite the end (8) of the arm (7) secured to the support (2) . [Claim 5] Assembly according to the preceding claim, in which the mounting element (11) is a stud of convex shape. [Claim 6] Assembly according to one of claims 3 to 5, in which each brush (5) is carried by the end of the associated arm (7) opposite to the end (8) of the arm (7) secured to the support (2). [Claim 7] Assembly according to one of the preceding claims, in which the support (2) comprises edges spaced so as to form a passage associated with each arm (7), the mounting member (4) protruding from one of the edges. [Claim 8] Assembly according to one of the preceding claims, in which a brush displacement arm (7) is pivotally mounted. [Claim 9] Blower for a device for ventilating, heating and / or air conditioning a motor vehicle, comprising an assembly according to one of the preceding claims and a motor provided with a collector, each brush (5) being in contact with the collector (6) in a functional position separate from the mounting position. [Claim 10] Ventilation, heating and / or air conditioning device for a motor vehicle, comprising a blower according to the preceding claim. 1/2