DE102007010865A1 - Driving device for adjusting system in motor vehicle, has motor drive with stator and rotor, and gear is provided to convert rotating movement of motor drive in rotating movement of output shaft - Google Patents

Abstract

The driving device has a motor drive with a stator and a rotor (310). A gear (500) is provided to convert a rotating movement of the motor drive in a rotating movement of an output shaft (550). An electronic unit (400) is provided for current feed of the motor drive and the stator of the motor drive is formed as mutually opened pole conduit (210), which is placed in the magnet (220). The magnet is formed as plastic-bonded magnet and is injected in the pole conduit. Independent claims are also included for the following: (1) a building block for a driving device for an adjustment system in a motor vehicle (2) a method for manufacturing a driving device for an adjusting system with a motor vehicle.

Description

The The invention relates to a drive device for an adjustment system in a motor vehicle according to the preamble of Claim 1, a kit for such a drive device and a method of manufacturing such a drive device.

From the DE 42 25 496 A1 an electric drive unit for adjustment systems in motor vehicles is known, which has an electric motor, an electronics unit and a transmission. An energizing unit for energizing the commutator of the electric motor is provided in an intermediate frame, which connects the electric motor and the Geriebegehäuse.

The De 43 37 390 A1 describes a drive unit for adjustment systems in motor vehicles with an electric motor, a transmission connected to the motor shaft and the adjustment system and an electronic module. In this case, a part of the stator and / or the stationary commutation device of the electric motor is connected to a supporting component of the electronic module.

Of the present invention is based on the object, a drive device for an adjustment system in a motor vehicle and a To provide a construction kit for such a drive device, which is formed in a simple manner and inexpensively and preferred to different needs and requirements are adaptable, wherein in one embodiment different Drive motors, gearboxes and electronic units can be combined should. Furthermore, a simple method for the production be provided such a drive device.

These The object is achieved by a drive device with the features of claim 1, a kit with the features of claim 22 and a method having the features of the claim 37 solved. Advantageous embodiments of the invention are specified in the dependent claims.

After that the invention is characterized according to a first Invention aspect by the idea that the stator of a motor Drive is designed as a mutually open pole tube, in the Magnets are introduced. The magnets can either be conventional introduced or by plastic-bonded injected magnets be realized. The provision of the stator as open on both sides Polrohr can be done in a simple manner that a partial area a substantially cylindrical blank is cut off. Thus, unlike in the prior art, it is no longer necessary to use a drawn pole pot as a stator, its production is relatively expensive. Due to the ease of manufacture the drive device is cheaper overall.

In One embodiment, the pole tube at its two open ends each held in a bearing plate, which is a storage location for Has storage of the rotor. The pole tube is at its rear, the gearbox facing away from the open end in a rear end shield held, the part of a prefabricated rear motor housing part is and that part of the wall of a housing of the electronics unit forms. At its front, the transmission facing the open end the pole tube is held in a front bearing plate, which on the Housing of the transmission is formed.

It is provided in an embodiment that the bearing plate and the pole tube each have corresponding form-fitting elements, the one mechanical interface for positioning and / or connection provide from end shield and pole tube. For example, points the end shield in each case conical tongues, which in accurately fitting formations engage the magnets of the pole tube.

In A further embodiment provides that a commutator of the motor drive formed in a region of the rotor is, from the gearbox facing away from the open end of the pole tube protrudes. The commutator and an associated power supply unit So are not adjacent to the transmission, but facing away from the gearbox Side of the rotor arranged. This opens additional Freedoms in the positioning of the electronics unit and a with this connected or contained in this power supply unit.

there is the commutator in a variant in the range of the rear end shield and is there by a power supply unit contacted, which is integrated in the electronics unit. The energizing unit comprises two brush holders and arranged on these Contact brushes. Furthermore, in the rear motor housing part Means for guiding and spreading the brush holder integrated, allowing a secure contact of the commutator the connection of motor housing part and electronic unit is ensured.

In Another embodiment is between the rear motor housing part and the electronic unit a mechanical interface for positioning and / or connection of these parts realized. This interface For example, by corresponding structures of two housing halves provided, wherein the one housing half at Motor housing part and the other housing half realized on the electronic unit.

to Securing the connection of the rear motor housing part with the pole tube and the front bearing plate is in a variant provided a mounting bracket. This forms, for example two spring arms extending from the rear motor housing part along two long sides of the pole tube to the front Extend shield and the latter embrace the front side. The Mounting bracket may be made of a magnetic material, in particular a soft magnetic material, for which If it advantageously realized a magnetic bypass and the magnetic flux of the motor drive leads.

Of the Rotor forms in one embodiment, an elongated drive shaft out, which protrudes into the transmission. The drive shaft includes preferred gear side, a drive screw, with a Scheckenrad the gear meshes.

In an embodiment is provided that the pole tube at its two open ends in each case forms an end-side seal, the a moisture-proof connection of the pole tube with the adjacent Warehousing ensures.

• – ein beidseitig offenes Polrohr, in das Magnete eingebracht sind,
• – einen Triebling, der einen Rotor mit einer Antriebswelle, einer Antriebsschnecke und einem Kommutator umfasst,
• – ein hinteres Motorgehäuseteil zur Lagerung des Rotors,
• – eine Elektronikeinheit und
• – eine Getriebeeinheit, die eine rotatorische Bewegung des Rotors in eine rotatorische Bewegung einer Abtriebswelle umsetzt und ein Getriebegehäuse umfasst. Dabei weisen das hintere Motorgehäuseteil und das Polrohr Mittel auf, die eine erste mechanische Schnittstelle zur Positionierung und/oder Verbindung des hinteren Motorgehäuseteils mit dem hinteren offenen Ende des Polrohrs bilden. Das Getriebegehäuse und das Polrohr weisen Mittel auf, die eine zweite mechanische Schnittstelle zur Positionierung und/oder Verbindung des Getriebegehäuses mit dem vorderen offenen Ende des Polrohrs bilden. Das hintere Motorgehäuseteil und die Elektronikeinheit weisen Mittel auf, die eine dritte mechanische Schnittstelle zur Positionierung und/oder Verbindung des hinteren Motorgehäuseteils mit der Elektronikeinheit bilden.

The invention relates, according to a second aspect of the invention, to a construction kit for a drive device for an adjustment system in a motor vehicle, which has at least two of the following prefabricated components:

• A pole tube open on both sides, into which magnets are inserted,
• A pinion, comprising a rotor with a drive shaft, a drive screw and a commutator,
• A rear motor housing part for supporting the rotor,
• - an electronics unit and
• - A gear unit, which converts a rotational movement of the rotor into a rotational movement of an output shaft and comprises a transmission housing. In this case, the rear motor housing part and the pole tube have means which form a first mechanical interface for positioning and / or connection of the rear motor housing part with the rear open end of the pole tube. The transmission housing and the pole tube have means which form a second mechanical interface for positioning and / or connection of the transmission housing with the front open end of the pole tube. The rear motor housing part and the electronics unit have means forming a third mechanical interface for positioning and / or connecting the rear motor housing part to the electronics unit.

One Such kit allows such interfaces it, a composite of the components of the kit drive to adapt to different needs and requirements, in particular different engines, transmissions and electronics to combine. The combinability is achieved through defined interfaces guaranteed between the respective components.

Accordingly It is provided in an embodiment that the kit several Electronic units and / or a plurality of rear motor housing parts and / or a plurality of pole tubes and / or multiple shoots and / or more Has gear units, where at least two Elekronikeinheiten and / or two motor housing parts and / or two pole tubes and / or two pinions and / or two gear units through distinguish at least one technical characteristic from each other. For example Two modular construction engines differ in their size and / or performance. However, such a distinction does not affect the training of the first, second and third interface. different Engines, transmissions and electronics can thus be combined become.

• – Einbringen der Antriebsschnecke des Rotors in die Getriebeeinheit,
• – Aufschieben des Polrohrs auf den Rotor und Andocken des vorderen Endes des Polrohrs an dem Getriebegehäuse der Getriebeeinheit,
• – Aufschieben des hinteren Motorgehäuseteils auf den Kommutator des Rotors und Andocken des hinteren Motorgehäuseteils an das hintere Ende des Polrohrs, und
• – Aufsetzen der Elektronikeinheit auf das hintere Motorgehäuseteil, wobei der Kommutator in Kontakt mit der Bestromungseinheit der Elektronikeinheit tritt.

The invention relates according to a third aspect of the invention, a method for producing a drive device for an adjustment system in a motor vehicle, which uses the previously described parts of a modular system. The method is characterized by the following steps:

• Inserting the drive worm of the rotor into the gear unit,
• Sliding the pole tube onto the rotor and docking the front end of the pole tube on the transmission housing of the transmission unit,
• - Sliding the rear motor housing part on the commutator of the rotor and docking the rear motor housing part to the rear end of the pole tube, and
• - placing the electronics unit on the rear motor housing part, wherein the commutator comes into contact with the current supply unit of the electronic unit.

The Drive worm is preferred in the case of a self-locking gear screwed into the gear unit and in the case of a non-self-locking Gear preferably inserted into the transmission unit. If missing Self-locking pushes the drive screw with the drive screw interacting transmission element of the transmission unit in the appropriate Position.

The Invention will be described below with reference to the figures an embodiment explained in more detail. Show it:

1 an exploded perspective view of a drive device, a motor housing part, a two-sided open pole tube, a drive ling, a transmission unit and an electronics unit comprises;

2 the drive device of 1 from another perspective;

3 the fully assembled drive device of 1 and 2 looking from the side of the bearing cap of the gear unit;

4 the fully assembled drive device of 1 and 2 looking from the side of the housing cover of the gear unit;

5 an enlarged perspective view of parts of the motor housing part and the electronic unit of the drive device of 1 and 2 looking from the transmission side and

6 a non-perspective view of the arrangement of 5 ,

The 1 shows a drive device for an adjustment system in motor vehicles, which is composed of prefabricated units or modules, these prefabricated units or modules form a modular system. It should be noted, however, that the illustrated drive device can in principle also be produced without prefabricated units. In the following, however, the description is based on the realization of the drive device by means of the units of a modular system.

The main components of the modular system are a rear motor housing part 100 , a pole tube unit 200 , a pinball 300 , an electronics unit 400 and a transmission unit 500 ,

The pole tube unit 200 has a pole tube acting as a stator 210 with a rear open end 211 and a front open end 212 on. Furthermore, there is a small opening in the pole tube 213 integrated for a sensor. At the in the presentation of 1 right and left side is each a lateral, flattened investment area 214 for a mounting bracket 160 trained, as will be explained. At the two end sides of the pole tube is in each case a front-side seal 231 . 232 educated.

In the pole tube 210 are magnets 220 brought in. These may be conventional magnets that are conventionally on the inside of the pole tube 210 are attached. It is also possible that the magnets are plastic bound and injected into the pole tube interior. In one of the magnets 220 is also a small opening 223 integrated for a sensor.

It should be noted that in the presentation of the 1 the magnets 220 separated from the pole tube 210 are shown. The pole tube 210 and the magnets 220 however, preferably form a prefabricated unit.

The production of the pole tube 210 can be done in a simple manner from an elongated blank, wherein by cutting off a portion of the blank in each case a pole tube is provided.

In the magnets 220 are both at the rear end 211 as well as at the front end 212 of the pole tube 210 formations 221 . 222 formed, the form-fitting regions represent and are introduced into the precisely shaped in a corresponding manner shaped conical tongues of adjacent components, as will be explained. In the presentation of the 1 are the formations 221 . 222 only on the gear 500 opposite side of the magnets 220 shown. Corresponding formations are however also on the transmission 500 facing side.

Another unit of the modular system is the Triebling 300 who has a rotor 310 , Windings 320 of the rotor, a commutator 330 , a rear warehouse 340 of the rotor, a drive shaft 350 , a drive screw 360 and front bearing elements 371 . 372 includes. The drive shaft 350 and the drive screw 360 can be formed in one piece. Likewise, a multi-part design is possible, wherein the drive screw 360 for example, on the drive shaft 350 shrunk down.

The one bearing element 371 provides a radial and thrust bearing for the drive worm 360 It protects the drive motor against axial reaction forces. The additional bearing element 372 is designed as a dome and also serves at least the radial bearing of the drive shaft 350 or the drive worm 360 , The commutator 330 is on the gearbox 500 opposite side of the rotor so that the commutator 330 from the rear open end 211 protrudes the pole tube.

The rear motor housing part 100 includes a rear end shield 110 that according to the 5 and 6 a depository 120 for the rear bearing element 340 of the rotor. When mounted, the commutator protrudes 330 of the shoot in the rear end shield 110 ,

The rear end shield 110 furthermore has a center guide device 130 for a brush holder 420 the electronics unit 400 on. The guiding device 130 forms two inclined guide surfaces 135 out. Furthermore, in the rear end shield 110 guide 140 and a positive locking element 150 integrated. The guide grooves 140 correspond with corresponding guide structures (not shown) on the pole tube or on the magnet. That in the 5 and 6 only partially shown positive locking element 150 protrudes from the rear end shield ( 110 ) and is in the assembled state in the molding 221 of the magnet 220 introduced.

It is pointed out that the illustrated positive-locking elements and form-locking areas are to be understood as examples only. A mechanical connection between the respective parts considered can also be provided by differently shaped form-fitting structures become. The respective positive-locking elements and positive-locking areas form defined mechanical interfaces for positioning and / or connection of the respective components of the kit.

The motor housing part 100 further forms a part of the wall of the electronics housing and integrates a housing half for this purpose 170 the electronics unit. This housing half can be integral with the rear end shield 110 be trained or put on this. In the presentation of the 5 and 6 is the integrated housing half 170 not shown separately for the sake of clarity.

It is also a mounting bracket 160 provided, the connection of the motor housing part 100 , the tube tube unit 200 and a front end shield 521 , which will be discussed, serves. The crab 160 has two spring arms 161 . 162 which are connected by a base. At the transmission-side ends, the spring arms 161 . 162 angled ends 161a . 161b on.

The electronics unit 400 has a circuit board 410 on which are located electrical and electronic components for the electrical supply and control of the drive motor and, for example, a sensor. Such components are known to those skilled in the art, so that will not be discussed further. The electrical circuit board 410 is by means of electrical contacts 440 Contactable by an electrical plug that fits into an electronic unit 400 trained plug receptacle 470 is pluggable. The electronics unit 400 furthermore forms an energizing unit with two brush holders 420 and has two arranged on these carbon contact brushes 430 out ( 5 and 6 ).

The electronics unit 400 forms an upper half of the housing 460 out with that in the motor housing part 100 integrated housing half 170 is connectable to form a housing of the electronic unit. This is done for example via a clip binding 465 , To seal the housing, a sealing edge 450 be provided, between the two housing halves 460 . 170 is arranged.

The gear unit 500 serves to transmit a rotary motion of the rotor 310 or the drive worm 360 on a rotational movement of an output shaft 550 , The illustrated gear unit 500 , which is formed without self-locking, is to be understood merely as an example. The person skilled in numerous designs for gear units are known, the rotational movement of a drive shaft in a rotational movement of an output shaft or an output element connected thereto such. B. implement a pinion or a cable drum. In this case, the transmission unit can in principle be designed with or without self-locking. The design of the gear unit shown here thus represents only one of a variety of possible designs.

In the illustrated embodiment, the transmission unit comprises a transmission housing 520 , in the drive and output elements of the transmission unit 500 arranged. On its one side is the gear housing by means of a housing cover 510 locked. The housing cover 510 according to the 2 an axially projecting housing wall 515 on. On the other side of the gearbox 520 is a bearing cap 530 arranged, being between the gearbox 520 and the bearing cap 530 one on a gearing area 553 the output shaft 550 attached rope drum 590 is arranged.

In the gearbox 520 is on the motor drive side facing a front bearing plate 521 integrated, that of the bearing of the rotor 310 serves and this is the one bearing element 371 receives. The front end shield 521 forms two positive locking elements 522 . 523 out, with the appropriate form-fitting areas of the magnet 220 correspond, according to the positive-locking areas 221 . 222 ,

The gearbox 520 also has two bowden supports 528 for a cable guide element of a Bowden tube and several Befestigungsdome 529 for fastening the gear unit 500 on a carrier, e.g. B. a door module plate or a guide rail of a cable window lifter.

As transmission elements are a roller cage 540 with slots for receiving pinch rollers 545 , a drive shaft 550 , which has a driven wheel with clamping surfaces 551 , a storage area 552 and the already mentioned gearing 553 trains, a worm wheel 570 and a camp ranger 580 intended. The drive screw 360 combs with the worm wheel 570 , the drive claw 575 forms, between the clamping surfaces 551 the output shaft 550 grip and a rotary motion of the worm wheel 570 on the output shaft 550 transfer. About the pinch rollers 545 In this case, a freewheel lock of the non-self-locking transmission is provided.

For assembly, the rotor is first 310 with the drive screw 360 through the opening in the front end shield 521 in the gearbox 520 plugged in. The drive screw 360 may due to the fact that it is a non-self-locking gear, in the gearbox 520 be inserted. Otherwise, the drive screw would 360 in the gearbox 520 screwed. The bearing elements 371 . 372 be positioned in a suitable manner.

Subsequently, the pole tube 210 on the rotor 310 pushed on and to the front bearing plate 521 of the gearbox 520 docked. Now the rear motor housing part 100 on the back of the pole tube 210 outstanding commutator 330 of the rotor 310 deferred and with the rear end shield 110 to the rear open end of the pole tube 210 docked. The following is the electronics unit 400 on the associated housing portion of the rear motor housing part 100 put on, with the brush holder 420 with the contact brushes 430 through the guide device 130 of the rear end shield 110 and its guide surfaces 135 be guided and spread in a suitable manner. This is the commutator 330 through the contact brushes 430 contacted.

To secure the connection of the motor housing part 100 , Pol tube unit 200 and gear unit 500 becomes the crab 160 Positioned with the angled ends 161a . 161 the spring arms 161 . 162 the mounting bracket the front end plate 521 surround to the gearbox, as in the 3 and 4 shown.

100

Motor housing part

110

rear end shield

120

depository for rear bearing element of the rotor

130

guiding device for brush holder

135

guide surface

140

guide

150

Form-fitting element of the motor housing part

160

Crab

161 162

spring arms the crab

161a, 162a

angled Ends of the spring arms

170

In Motor housing part integrated housing half the electronics unit

200

Polrohreinheit

210

pole tube

211

rear open end of the pole tube / rear pole tube opening

212

Front open end of the pole tube / front pole tube opening

213

opening for sensor

214

lateral Attachment area for mounting bracket

220

magnets

221 222

Moldings / positively locking regions in the magnet

223

opening for sensor

231 232

frontal Seals of the pole tube

300

pinion

310

rotor

320

windings of the rotor

330

commutator

340

rear Bearing element of the rotor

350

drive shaft

360

drive worm

371, 372

bearing elements

400

electronics unit

410

circuit board

420

brush carrier

430

contact brush

440

electrical contacts

450

sealing edge

460

Upper housing half

465

clip connection

470

plug receptacle

500

gear unit

510

housing cover

515

axial protruding housing wall

520

gearbox

521

In Housing cover integrated front bearing plate

522 523

Form-fitting elements

528

Bowden support for cable guide element of a Bowden tube

529

The bosses

530

bearing cap

535

Mounting spring arms of the bearing cap

540

roller cage

545

clamping rollers

550

output shaft

551

clamping surfaces the output shaft

552

storage area the output shaft

553

gearing the output shaft

570

worm

575

drive claws of the worm wheel

580

bearing ring

590

cable drum

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 4225496 A1 [0002]
• - DE 4337390 A1 [0003]

Claims (44)

Drive device for an adjustment system in a motor vehicle comprising - a motor drive with a stator ( 210 ) and a rotor ( 310 ), - a transmission ( 500 ), a rotational movement of the motor drive in a rotational movement of an output shaft ( 550 ), and - an electronic unit ( 400 ) for energizing the motor drive, characterized in that the stator ( 210 ) of the motor drive is designed as a mutually open pole tube, in the magnets ( 220 ) are introduced. Drive device according to claim 1, characterized in that the pole tube ( 210 ) at its two open ends ( 211 . 212 ) each in a bearing plate ( 110 . 521 ), which has a bearing for storing the rotor ( 310 ) having. Drive device according to claim 2, characterized in that the pole tube ( 210 ) at its rear, the transmission facing away from the open end ( 211 ) in a rear end shield ( 110 ), the part of a prefabricated rear motor housing part ( 100 ), which is further a part of the wall ( 170 ) of a housing of the electronics unit ( 400 ). Drive device according to claim 2 or 3, characterized in that the pole tube ( 210 ) at its front, the transmission facing the open end ( 212 ) in a front end shield ( 521 ) held on the housing ( 520 ) of the transmission ( 500 ) is trained. Drive device according to one of claims 2 to 4, characterized in that the bearing plate ( 110 . 521 ) and the pole tube ( 210 ) each corresponding form-locking elements ( 150 . 522 . 523 ; 221 . 222 ), which has a mechanical interface for positioning and / or connection of end shield ( 110 ) and pole tube ( 210 ) provide. Drive device according to claim 5, characterized in that the positive-locking elements ( 221 . 222 ) of the pole tube ( 210 ) in the magnets ( 220 ) of the pole tube ( 210 ) are formed. Drive device according to claim 6, characterized in that the bearing plate ( 110 . 521 ) conical tongues ( 150 . 522 . 523 ), which are in precise formations ( 221 . 222 ) of the magnets ( 220 ) of the pole tube ( 210 ) intervene. Drive device according to one of the preceding claims, characterized in that a commutator ( 330 ) of the motor drive in a region of the rotor ( 310 ) is formed, which from the gearbox facing away from the end ( 211 ) of the pole tube ( 210 ) stands out. Drive device according to claims 3 and 8, characterized in that the commutator ( 330 ) in the area of the rear end shield ( 110 ) is arranged and there by a lighting unit ( 420 . 430 ), which is in the electronics unit ( 400 ) is integrated. Drive device according to claim 9, characterized in that the current supply unit brush carrier ( 420 ) and arranged on this contact brushes ( 430 ) and in the rear motor housing part ( 100 ) Medium ( 130 . 135 ) for guiding and spreading the brush carrier ( 420 ) are integrated. Drive device according to one of the preceding claims, characterized in that the electronic unit ( 400 ) comprises a sensor, which by means of openings ( 213 . 223 ) in the pole tube ( 210 ) and in at least one magnet ( 220 ) detects a rotor movement. Drive device according to one of claims 3 to 11, provided that they refer back to claim 3, characterized in that between the rear motor housing part ( 100 ) and the electronics unit ( 400 ) a mechanical interface ( 465 ) is realized for positioning and / or connection of these parts. Drive device according to one of Claims 3 to 12, provided that they relate to Claim 3, characterized in that the electronic unit ( 400 ) an upper housing half ( 460 ) forming a housing of the electronics unit ( 400 ) with the part ( 170 ) of the rear motor housing part ( 100 ), which is part of the wall of an electronics housing ( 100 ) trains. Drive device according to one of claims 3 to 13, as far as they relate to claim 3, characterized by a mounting bracket ( 160 ), the connection of the rear motor housing part ( 100 ) with the pole tube ( 210 ) and the front end shield ( 521 ) secures. Drive device according to claim 14, characterized in that the mounting bracket ( 160 ) two spring arms ( 161 . 162 ), which extends from the rear motor housing part ( 100 ) along two longitudinal sides ( 214 ) of the pole tube ( 210 ) to the front end shield ( 521 ) extend and the latter embrace the front side. Drive device according to claim 14 or 15, characterized in that the fastening bracket ( 160 ) consists of a magnetic material and the magnetic flux of the motor drive leads. Drive device according to one of the preceding claims, characterized in that the rotor ( 310 ) an extended drive shaft ( 350 . 360 ) which forms in the transmission ( 500 ) protrudes. Drive device according to claim 17, characterized in that the drive shaft ( 350 ) on the transmission side a drive screw ( 360 ). Drive device according to one of the preceding claims, characterized in that the magnets ( 220 ) formed as plastic-bonded magnets and in the pole tube ( 210 ) are injected. Drive device according to one of the preceding claims, characterized in that the transmission ( 500 ) is not self-locking. Drive device according to one of the preceding claims, characterized in that that the pole tube ( 210 ) at its two open ends ( 211 . 212 ) each have a frontal seal ( 231 . 232 ) trains. Modular system for a drive device for an adjustment system in a motor vehicle, which has at least two of the following prefabricated components in each case: - a pole tube open on both sides ( 210 ), into the magnets ( 220 ), - a shoot ( 300 ), which has a rotor ( 310 ) with a drive shaft ( 350 ), a drive screw ( 360 ) and a commutator ( 330 ), - a rear motor housing part ( 100 ) for the storage of the rotor ( 310 ), - an electronic unit ( 400 ), and - a transmission unit ( 500 ), which is a rotational movement of the rotor ( 310 ) in a rotational movement of an output shaft ( 350 ) and a transmission housing ( 520 ), wherein - the rear motor housing part ( 100 ) and the pole tube ( 210 ) Have means which have a first mechanical interface ( 150 ; 221 . 222 ) for positioning and / or connecting the rear motor housing part ( 100 ) with the rear open end ( 211 ) of the pole tube ( 210 ), - the transmission housing ( 520 ) and the pole tube ( 210 ) Have means which have a second mechanical interface ( 522 . 523 ; 221 . 222 ) for positioning and / or connection of the transmission housing ( 520 ) with the front open end ( 212 ) of the pole tube ( 210 ), and - the rear motor housing part ( 100 ) and the electronics unit ( 210 ) Have means which have a third mechanical interface ( 465 ) for positioning and / or connecting the rear motor housing part ( 100 ) with the electronics unit ( 400 ) form. Building kit according to claim 22, characterized in that the rear motor housing part ( 100 ) a rear end shield ( 110 ) for the storage of the rotor ( 310 ) having. Building kit according to claim 22 or 23, characterized in that the rear motor housing part ( 100 ) a part ( 170 ) of the wall of a housing of the electronics unit ( 400 ) trains. Building kit according to claim 24, characterized in that the electronic unit ( 400 ) an upper housing half ( 460 ), which is suitable for forming a housing of the electronics unit ( 400 ) with the part ( 170 ) of the rear motor housing part ( 100 ), which forms part of the wall of the electronics housing. Building kit according to one of claims 22 to 25, characterized in that the commutator ( 330 ) on the rotor ( 310 ) is positioned such that it in the assembled state from the transmission unit ( 500 ) facing away from the end ( 211 ) of the pole tube ( 210 protruding and in the rear motor housing part ( 100 ) protrudes. Building kit according to one of claims 22 to 26, characterized in that in the electronic unit ( 400 ) a power supply unit is integrated, the brush carrier ( 420 ) and contact brushes ( 430 ) from the electronics unit into the rear motor housing part ( 100 protrude). Building kit according to claim 27, characterized in that the rear motor housing part ( 110 ) Medium ( 130 . 135 ) suitable for guiding and spreading the brush holder ( 420 ) having. Building kit according to one of claims 22 to 28, characterized in that the transmission housing ( 250 ) a front bearing plate ( 521 ) for the storage of the rotor ( 310 ). Building kit according to one of claims 22 to 29, characterized in that the magnets ( 220 ) of the pole tube ( 210 ) formed as plastic-bonded magnets and in the pole tube ( 210 ) are injected. Building kit according to one of claims 22 to 30, characterized in that the pole tube ( 210 ) at its two open ends ( 211 . 212 ) each have a frontal seal ( 231 . 232 ) trains. Building kit according to one of claims 22 to 31, characterized in that the modular system a mounting bracket ( 160 ), which is suitable and adapted, the connection of the rear motor housing part ( 100 ), Pole tube ( 210 ) and front end shield ( 521 ). Building kit according to claims 23 and 29, characterized in that for forming the first and second interface on the one hand, the pole tube ( 210 ) at its rear end ( 211 ) and the rear end plate ( 110 ) and on the other hand, the pole tube at its front end ( 212 ) and the front bearing plate ( 521 ) each corresponding form-locking elements ( 150 . 522 . 523 ; 221 . 222 ) exhibit. Building kit according to claim 33, characterized in that the positive-locking elements ( 221 . 222 ) of the pole tube ( 210 ) in the magnets ( 220 ) of the pole tube ( 210 ) are formed. Building kit according to claim 33 or 34, characterized in that the end shields ( 110 . 521 ) each conical tongues ( 150 . 522 . 523 ) and the magnets ( 220 ) of the pole tube ( 210 ) to precisely fitting formations ( 221 . 222 ) exhibit. Building kit according to one of Claims 22 to 35, characterized in that the building set comprises a plurality of electronic units ( 400 ) and / or a plurality of rear motor housing parts ( 100 ) and / or several pole tubes ( 210 ) and / or several shoots ( 300 ) and / or a plurality of transmission units ( 500 ), wherein - at least two electronic units ( 400 ) and / or two motor housing parts ( 100 ) and / or two pole tubes ( 210 ) and / or two shoots ( 300 ) and / or two gear units ( 500 ) differ from one another by at least one technical feature, and - the formation of the first, second and third interfaces is not affected by such a difference. Method for producing a drive device for an adjustment system with a motor vehicle, comprising the steps of: providing a pole tube which is open on both sides ( 210 ), into the magnets ( 220 ), - providing a drive ( 300 ), which has a rotor ( 310 ) with a drive shaft ( 350 ), a drive screw ( 360 ) and a commutator ( 330 ), the commutator ( 330 ) on which the drive screw ( 360 ) opposite end of the rotor ( 330 ), - providing a rear motor housing part ( 100 ) for the storage of the rotor ( 310 ), - providing an electronic unit ( 400 ), which is an energizing unit ( 420 . 430 ), - providing a transmission unit ( 500 ), which is a rotational movement of the rotor ( 310 ) in a rotational movement of an output shaft ( 350 ) and a transmission housing ( 520 ), - introducing the drive screw ( 360 ) of the rotor ( 310 ) in the gear unit ( 500 ), - Pushing the pole tube ( 210 ) on the rotor ( 310 ) and docking of the front end of the pole tube ( 310 ) on the transmission housing ( 520 ) of the transmission unit ( 500 ), - Sliding the rear motor housing part ( 100 ) on the commutator ( 330 ) of the rotor ( 310 ) and docking of the rear motor housing part ( 100 ) to the rear end of the pole tube ( 210 ), - mounting the electronics unit ( 400 ) on the rear motor housing part ( 100 ), the commutator ( 330 ) in contact with the energizing unit ( 420 . 430 ) of the electronics unit ( 400 ) occurs. A method according to claim 37, characterized in that the provision of a mutually open pole tube ( 210 ) comprises providing a substantially cylindrical blank and cutting off a portion of the blank, the cut portion forming a pole tube open on both sides. A method according to claim 37 or 38, characterized in that after provision of the open on both sides pole tube ( 210 ) plastic bonded magnets ( 220 ) are injected into this. Method according to one of claims 37 to 39, characterized in that the drive screw ( 360 ) in the case of a self-locking transmission in the transmission unit ( 500 ) and in the case of a non-self-locking gearbox in the gear unit ( 500 ) is inserted. Method according to one of claims 37 to 40, characterized in that the docking of the front end of the pole tube ( 310 ) to the transmission housing ( 520 ) the docking of the front end of the pole tube ( 310 ) to a front end shield ( 521 ) of the transmission housing. Method according to one of claims 37 to 41, characterized in that the docking of the rear motor housing part ( 100 ) to the rear end of the pole tube ( 210 ) the docking of a rear end shield ( 110 ) of the motor housing part ( 100 ) to the rear end of the pole tube ( 210 ). Method according to one of claims 37 to 42, characterized in that the mounting of the electronic unit ( 400 ) on the rear motor housing part ( 100 ) placing a first housing half ( 460 ) of the electronics unit ( 400 ) on one through the engine gearbox housing ( 100 ) provided second housing half ( 170 ). Method according to one of claims 37 to 43, characterized in that after docking of the pole tube ( 210 ) to the transmission housing ( 520 ) and the rear motor housing part ( 100 ) the connection of these parts by a mounting bracket ( 160 ) is secured.