CN103470723A - Transmission driving unit - Google Patents
Transmission driving unit Download PDFInfo
- Publication number
- CN103470723A CN103470723A CN2013102204390A CN201310220439A CN103470723A CN 103470723 A CN103470723 A CN 103470723A CN 2013102204390 A CN2013102204390 A CN 2013102204390A CN 201310220439 A CN201310220439 A CN 201310220439A CN 103470723 A CN103470723 A CN 103470723A
- Authority
- CN
- China
- Prior art keywords
- episome
- drive unit
- matrix
- gear drive
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 63
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
Abstract
Provided is a transmission driving unit. The invention relates to a transmission driving unit (10) having a plastic-made driven element (15), the torque input by an input element (18) can be transmitted to a transfer element (20) which is at least partially made of metal via the driven element, wherein the driven element (15) is an injection-molded component which is formed by at least partially injection-coating the transfer element (20).
Description
Technical field
The present invention relates to a kind of gear drive unit as described in the preamble by claim 1.
Background technique
The known a kind of such gear drive unit of DE 10 2,009 046 517 A1 by the claimant.Described known gear drive unit comprises drive element, and the driving gear that described drive element is made of plastics forms with the driven small gear by being connected in locking manner with described driving gear shape, be used as transmitting element.Peripheral construction at described driving gear has profile of tooth, described profile of tooth and the corresponding corresponding teeth acting in conjunction that drives worm screw, and described driving worm screw is the parts of the armature shaft of motor.By the described driven small gear be made of metal, transfer torque on operating mechanism, for example sliding type top cover operating mechanism.Realized at slave end the robustness that described gear drive unit is required by the described driven small gear be made of metal at this.Need heteroid driven small gear or drive element according to application in practice, because described driven small gear embodiment is the specific jointing place of user.Therefore, in the gear drive unit of being learnt by described known references, according to application or according to the user, must make described driving gear be connected with the specific driven small gear of user respectively.This has caused the number of packages of corresponding drive element relatively less or for the high carrying costs of the producer of described gear drive unit.
Summary of the invention
Be according to above-mentioned background technology task of the present invention, improve the gear drive unit as described in the preamble according to claim 1, thereby realize economic especially manufacturing.In addition should with simple especially mode and method realize described gear drive unit for the specific adaptability of user.According to the present invention, this task solves in the following way in having the gear drive unit of feature claimed in claim 1, be that transmitting element is comprised of two interconnective parts, injection moulding as the standardized matrix of first portion by part coats and is connected with described drive element, and can coat described matrix in injection moulding for the specific episome of purposes and be connected with described matrix after together with described drive element as second portion.By having been realized by two interconnective parts structure transmitting elements according to the present invention, the matrix of described transmitting element does not rely on the corresponding as one man structure of user and as the assembly deposit together with described drive element, thereby can realize relatively high number of packages.For the specific application of user by described matrix with described for the user specifically episomal (follow-up) be connected realization.
According to the favourable improvement project of gear drive unit of the present invention, illustrate in the dependent claims.All combinations that at least two features in disclosed feature in claims, specification and/or accompanying drawing form all within the scope of the invention.
The transmitting element that basically, can consist of two parts by structure is manufactured episome by any materials.So for example can consider, plastics or the suchlike material by carbon fiber, strengthened are manufactured described episome.Yet, in the particularly preferred variant regulation of described episomal technological scheme, described episome is made of metal.Such constitution realization in mechanical property good and robustness can manufacture described episome with low cost in high.
Connection between described episome and described matrix can realize with method in a different manner.Particularly preferably be, arrange between matrix and episome that at least one shape is sealed to be connected.The sealed connection of this shape makes with relatively simple mode and method and can realize the transmission of high moment of torsion and make being easy to realize on member on production technology.
In the particularly preferred structural scheme of the sealed geometrical shape of described shape, propose, the sealed connection of described shape comprise at least one, preferably a plurality of with angle intervals is arranged uniformly each other protuberance, the recess of described protuberance and corresponding formation or accommodating part actings in conjunction.
Particularly in order to realize, described episome is axially fixed on described matrix to also regulation, between described matrix and described episome, structure is additional is connected, especially form is adhering junction, caulking joint connection or the connection that is welded to connect.
In order to realize that described episome is arranged on described matrix especially simply, in described installation, described episomal appropriate axial (end) position is preset on described matrix from structure, propose thus, described episome abuts on the end face of described matrix on the side towards described matrix.
In order to realize that described episome also proposes for axial restraint or position matching element or drive element simultaneously, described episome radially protrudes from described matrix on a side of the end face towards described matrix, described episomal end face abuts on casing member on the side towards described matrix, and described drive element with the opposed side of described end face side on abut in equally on described casing member, thereby by described casing member structure the axial stop along the both direction effect.Requirement in proposed scheme, at first described drive element is arranged in described housing together with described matrix, and in the second manufacturing step, described episome is connected with described matrix subsequently.
If after not wishing like this coupling element to be arranged in housing, episome is not arranged on matrix, replace and can also stipulate, described matrix abuts in the perforation of housing member with its peripheral radial, episome has the suitable diameter of diameter maximum and described perforation, and the drive element with two opposed end face sides abuts on the housing member of the described drive element of axially locating.
The accompanying drawing explanation
Other features of the present invention, advantage and details are by subsequently to the explanation of preferred embodiment and provide by means of accompanying drawing.Wherein:
Fig. 1 illustrates through the longitudinal section according to gear drive unit of the present invention;
Fig. 2 is illustrated in the part of the intercepting according to gear drive unit of the present invention in the zone of housing sleeve pipe of driven small gear;
Fig. 3 is illustrated in the Zhong cross section, III-III plane of Fig. 2;
Fig. 4 is illustrated in the longitudinal section in the join domain between matrix and episome in the embodiment different from Fig. 2 of the present invention;
Fig. 5 is illustrated in the Zhong cross section, V-V plane of Fig. 4;
Fig. 6 and Fig. 7 are illustrated in to use and are welded to connect or the details enlarged view of caulking joint Fig. 4 while being connected;
Fig. 8 illustrates the longitudinal section in the join domain of other different embodiments of the present invention between matrix and episome.
In the accompanying drawings identical element or element with identical function are set to identical reference character.
Embodiment
Figure 1 illustrates gear drive unit 10, as described in gear drive unit especially but be not provided for the sliding type top cover drive unit of Motor Vehicle with not limiting to.Described gear drive unit 10 comprises dimeric housing 11 in this embodiment, and described housing comprises the first housing member 12 of approximate alms bowl shape and be configured to the second housing member 13 of lid, and described the second housing member is locking the first housing member 12 on side thereon.The drive element 15 that is configured to driving gear can be bearing in the inner chamber of described housing 11 rotatably along longitudinal axis 16.Described drive element 15 has external tooth 17 on its periphery, the corresponding corresponding teeth engagement of described external tooth and worm screw 18.Described worm screw 18 is arranged as and is connected with unshowned motor effect and is delivered to the moment of torsion of described worm screw as input torque in described drive element 15.Described drive element 15 is connected with transmitting element 20.
Described transmitting element 20 highlights from the upside of described housing 11 or from described the second housing member 13 with part area.Described transmitting element 20 has external tooth 21, external tooth that especially form is helical teeth on its outside, and for sliding type top cover drive unit, described external tooth couples with the driving mechanism for making the motion of sliding type top cover.The regulation according to the present invention, described transmitting element 20 consists of two parts, is configured to the matrix 22 of standardized member and is configured to the specific episome 23 for the user.Described episome 23 is made of metal with the form of driven small gear and has an external tooth 21.Described matrix 22 preferable configuration are (being made of metal) sintered component (Sinterbauteil).On the other hand, described drive element 15 is made of plastics and is configured to moulding.Described drive element 15 coats described matrix 22 by injection moulding at least in part and is configured in unshowned injection mould.
Being connected preferably between the matrix 22 on transmitting element 20 and episome 23 realizes by means of the sealed joint 25 of shape.According to Fig. 1, can also find out in addition, the matrix 22 of described sub-circular has guide section 26 on interior week, and described guide section radially supports described matrix 22 for the guiding area 27 of the pin shape at described the first housing member 12.
Especially, when the external tooth 17 on episome 23a is configured to straight-tooth, enough sealed joint 25 of structure form between described matrix 22a and described episome 23a usually.And will not be axially fixed in extraly on described matrix 22a by described episome 23a.But can stipulate, by the corresponding tolerance of size between the internal diameter of the extension 29 at described matrix 22a and described episome 23a, between described matrix 22a and described episome 23a, form interference fit.
At the mode of execution that another has been retrofited of the present invention shown in Fig. 4 and Fig. 5.Can find out on the one hand, matrix 22b has for example three, protuberances 37 radial arrangement that arrange with each other uniform angle intervals at it on the end face of episome 23b.Described protuberance 37 is constituent elements of the sealed joint 25 of shape, except described protuberance 37, the sealed joint of described shape described episome 23b towards the accommodating part 38 that also comprises relative configurations on the end face of described protuberance 37.Second of optional setting between described matrix 22b and described episome 23b is set in the zone of the upside that deviates from described matrix 22b of this external described (annular) episome 23b to be connected.It is upper and meaningful especially or be necessary that described additional connection can be axially fixed in described episome 23b described matrix 22b, external tooth 21 is configured to helical teeth because in this case by described external tooth 21 by responsive to axial force to described episome 23b.Described matrix 22b can for example realize by adhering junction with additional being connected between described episome 23b.In replacement scheme, according to Fig. 6 also can the transition region between described matrix 22b and described episome 23b in at least part of radial ring around the formal construction of weld seam 39 be welded to connect.At another kind in alternative technological scheme, can be by described matrix 22b, to described episome 23b, caulking joint realizes described additional connection.Can find out the groove 40 of V-arrangement in Fig. 7 to this, described groove is for example by using corresponding calker to form, and described groove radially inwardly carries out caulking joint towards described matrix 22b to the wall section 41 that radially surrounds described matrix 22b.
Finally figure 8 illustrates the another kind of different embodiment according to gear drive unit 10 of the present invention.Described gear drive unit 10 is with the difference of gear drive unit 10 shown in figure 2, and episome 23c has the external diameter larger than the center region of matrix 22c 32.Described episome 23c radially protrudes from described matrix 22c in the zone of end face 31 for this reason.Between the end face 42 of this external described episome 23c and described drive element 15 top, be configured with radial ring around groove, the wall section of the described perforation 33 of the restriction of housing member 43 is fitted in described groove.Described housing member 43 thereon side and downside have equally radial ring around thickening part 34,35, thereby make drive element 15, with described matrix 22c together with described episome 23c, in the unshowned housing 11 in addition of gear drive unit 10 along direction axial restraint or the location of longitudinal axis 16.The installation of described episome 23c can only be carried out afterwards in described matrix 22c is arranged on to described housing member 43.
The gear drive unit 10 of at this point describing can change or retrofit with several different methods and mode, and does not break away from thought of the present invention.For example can consider, particularly episome 23,23a are made by (high-intensity) plastics to 22c to 23c or matrix 22,22a, thereby substitute, are made of metal.Therewith independently, basic thought of the present invention is to use for the specific episome 23 of user, 23a to 23c, and described episome at least is connected to 22c by a sealed joint 25 of shape and the matrix 22, the 22a that distinguish same configuration.
Claims (10)
1. the gear drive unit (10) with drive element (15), by described drive element, the moment of torsion that can be imported by input element (18) can be delivered on the transmitting element (20) be made of metal at least partly, wherein said drive element (15) is moulding, described moulding coats described transmitting element (20) by injection moulding at least in part and forms
It is characterized in that,
Described transmitting element (20) is comprised of two interconnective parts, as the standardized matrix (22 of first portion; 22a is to 22c) injection moulding by part coats and to be connected with described drive element (15), and as second portion for the specific episome (23 of purposes; 23a is to 23c) coat described matrix (22 in injection moulding; 22a is to 22c) together with described drive element (15) afterwards can with described matrix (22; 22a is to 22c) connect.
2. press gear drive unit claimed in claim 1,
It is characterized in that,
Described episome (23; 23a is to 23c) be made of metal.
3. press the described gear drive unit of claim 1 or 2,
It is characterized in that,
Described matrix (22; 22a is to 22c) and described episome (23; 23a is to 23c) at least by the sealed joint of shape (25), interconnect.
4. press gear drive unit claimed in claim 3,
It is characterized in that,
The sealed joint of described shape (25) comprise at least one, preferably a plurality of with angle intervals is arranged uniformly each other protuberances (30; 37), the recess of described protuberance and relative configurations (28) or accommodating part (38) acting in conjunction.
5. press the described gear drive unit of claim 3 or 4,
It is characterized in that,
At described matrix (22; 22a is to 22c) and described episome (23; 23a is to 23c) between to be configured with additional connection, especially form be the connection that adhering junction, caulking joint connect or be welded to connect.
6. press the described gear drive unit of any one in claim 1 to 5,
It is characterized in that,
Described episome (23; 23a is to 23c) radially surround described matrix (22; 22a is to 22c) and be configured to annular.
7. press the described gear drive unit of any one in claim 3 to 6,
It is characterized in that,
Described episome (23; 23a is to 23c) towards described matrix (22; 22a is to 22c) a side on abut in described matrix (22; 22a is to 22c) end face (31) on.
8. press gear drive unit claimed in claim 7,
It is characterized in that,
Described episome (23c) radially protrudes from described matrix (22c) on a side of the end face towards described matrix (22c) (31), and the end face side (42) of described episome (23c) abuts on casing member (43) on the side towards described matrix (22c), and described drive element (15) with the opposed side of described end face side (42) on to abut in equally described casing member (43) upper, thereby construct the axial stop along the both direction effect by described casing member (43).
9. press the described gear drive unit of any one in claim 1 to 7,
It is characterized in that,
Described matrix (22a) abuts in the perforation (33) of housing member (13a) with its peripheral radial, and described episome (23a) has the suitable diameter of diameter maximum and described perforation (33), and it is upper that described drive element (15) abuts in housing member (13a, 36) with two opposed end face sides, and described housing member carries out axially locating to described drive element (15).
10. comfortable drive unit, especially sliding type top cover drive unit or the seat adjustment drive unit in a Motor Vehicle, it has by the described gear drive unit of any one in claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210209588 DE102012209588A1 (en) | 2012-06-06 | 2012-06-06 | Gear box drive unit for motor car, has transfer unit provided with two connected parts and standardized base body, and application-specific additive body connected with base body and output element |
| DE102012209588.8 | 2012-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470723A true CN103470723A (en) | 2013-12-25 |
| CN103470723B CN103470723B (en) | 2018-05-22 |
Family
ID=49625881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310220439.0A Expired - Fee Related CN103470723B (en) | 2012-06-06 | 2013-06-05 | Gear drive unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103470723B (en) |
| DE (1) | DE102012209588A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014217012A1 (en) * | 2013-09-05 | 2015-03-05 | Robert Bosch Gmbh | Output element of a transmission drive device and transmission drive device |
| CN109854714B (en) | 2017-11-30 | 2022-04-22 | 日本电产株式会社 | Worm gear unit, gear box, gear motor and electric product comprising gear motor |
| DE102019218246A1 (en) * | 2019-11-26 | 2021-05-27 | Robert Bosch Gmbh | Output element of an electromotive drive unit, as well as a method for producing one |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10360195A1 (en) * | 2003-12-20 | 2005-07-21 | Robert Bosch Gmbh | Transmission drive unit, in particular a window lift drive, with an adapter element |
| DE102004028610A1 (en) * | 2004-06-12 | 2005-12-29 | Robert Bosch Gmbh | Transmission drive unit with a worm wheel |
| US20090056489A1 (en) * | 2007-08-31 | 2009-03-05 | Robert Bosch Gmbh | Plastic gear, drive with a plastic gear as well as manufacturing method |
| WO2011054585A1 (en) * | 2009-11-09 | 2011-05-12 | Robert Bosch Gmbh | Transmission drive unit |
-
2012
- 2012-06-06 DE DE201210209588 patent/DE102012209588A1/en not_active Ceased
-
2013
- 2013-06-05 CN CN201310220439.0A patent/CN103470723B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10360195A1 (en) * | 2003-12-20 | 2005-07-21 | Robert Bosch Gmbh | Transmission drive unit, in particular a window lift drive, with an adapter element |
| DE102004028610A1 (en) * | 2004-06-12 | 2005-12-29 | Robert Bosch Gmbh | Transmission drive unit with a worm wheel |
| US20090056489A1 (en) * | 2007-08-31 | 2009-03-05 | Robert Bosch Gmbh | Plastic gear, drive with a plastic gear as well as manufacturing method |
| WO2011054585A1 (en) * | 2009-11-09 | 2011-05-12 | Robert Bosch Gmbh | Transmission drive unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470723B (en) | 2018-05-22 |
| DE102012209588A1 (en) | 2013-12-12 |
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Granted publication date: 20180522 |