CN103998822A - Method for adjusting the rotational speed of a gearbox drive device and gearbox drive device - Google Patents
Method for adjusting the rotational speed of a gearbox drive device and gearbox drive device Download PDFInfo
- Publication number
- CN103998822A CN103998822A CN201280063263.6A CN201280063263A CN103998822A CN 103998822 A CN103998822 A CN 103998822A CN 201280063263 A CN201280063263 A CN 201280063263A CN 103998822 A CN103998822 A CN 103998822A
- Authority
- CN
- China
- Prior art keywords
- drive
- drive screw
- transmission
- tooth portion
- screw
- 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
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
Abstract
The invention relates to a method for adjusting the rotational speed (n1, n2) of a gearbox drive device (10), having a drive worm (25, 25a), which is driven by a drive motor (11), whereby the teeth of said drive worm mesh with mating teeth on a gearbox wheel (26). Different rotational speeds (n1, n2) of the gearbox wheel (26) can be obtained while using an identical gearbox wheel (26) by using drive worms (25, 25a) with different numbers of threads, wherein the pitches (s, S) of the thread flights (29, 31, 32) on the drive worms (25, 25a), depending on the number of thread flights (29, 31, 32) that are used, are n times the pitch (s) for a 1-flight drive worm (25).
Description
Background technique
The present invention relates to a kind of for mating the method for rotating speed of transmission-drive unit.In addition, the present invention relates to a kind of transmission-drive unit, it is particularly suitable for using by method of the present invention.This transmission-drive unit is the constituent element of comfortable driver in automobile especially, for example seat adjustment driver, window lifting driver or similar device.At this, the live axle of motor is by drive screw drives drive wheel.This drive wheel directly or by other gear is coupled with having for example glass for vehicle window of element to be regulated or seat via output shaft.Due to about having element to be regulated and having the adjusting power customer requirement different with governing speed to be applied, different requirements may produced aspect the velocity ratio of transmission-drive unit.In fact, therefore to make drive screw accurately conform to drive wheel for every kind of application target.All the time requirement thus, the drive wheel being not only made of plastics usually used as spray to cast part, and also drive screw also will ad hoc be constructed and be provided with in other words special geometrical shape.
Summary of the invention
In the understanding of above-mentioned prior art, task of the present invention is the method that so proposes the rotating speed for mating transmission-drive unit, thereby realize different rotating speeds velocity ratio in other words, and do not need thus to increase the required investments cost that is particularly useful for manufacturing different drive wheels.By the present invention, this task is resolved by the following method in the method for feature described in having claim 1, in the case of using identical drive wheel the different rotating speed that there is the drive screw of collinear number not and realize drive wheel by uses, the n of the helical pitch of the drive screw that wherein on drive screw, the helical pitch of helical is single line according to used helical number times.This means the different driving rotating speed in order to realize transmission-drive unit and also realize thus the driving torque of different sizes, for example the drive screw by two-wire replaces the drive screw of single line, thus by the driving rotating speed of drive wheel to point and make driving torque double.But according to the geometrical construction of drive screw and drive wheel, described application is not restricted on single line and drive screw two-wire, the different calibration that the size that can realize in principle on the contrary driving rotating speed (about the drive screw of single line) is 1/n, wherein n means the number of helical on drive screw.
Propose in the dependent claims by the favourable improvement project of method for the rotating speed that mates transmission-drive unit of the present invention.Allly all fallen within the scope of the present invention by the combination that at least two claims, specification and/or accompanying drawing, disclosed feature forms.
Particularly preferably be, use single line with drive screw two-wire as drive screw.This be because in the stock size of this transmission-drive unit as automobile in the parts of comfortable driver also in the drive screw of two-wire, realize all the time the engagement of at least one helical in the tooth portion of drive wheel, and especially described drive wheel needn't have undesirable major diameter.
Preferably be suitable for use be by the salient point of the transmission-drive unit of method of the present invention, described drive screw be made of metal and drive wheel at least within the scope of the pairing tooth portion of the tooth portion for drive screw by plastics preferably by POM(polyoxymethylene) make.By having been realized drive wheel by constructed in plastic material drive wheel to the flexibility of different drive screws matching in other words, and can not cause thus the friction that the wearing and tearing of increase increase in other words.
Continue to lean against in order to realize two helicals of drive screw in the drive screw of two-wire in the pairing tooth portion of drive wheel, preferably proposition is arranged to make it to engage with the tooth portion of drive wheel at least two part areas of the helical of the drive screw of two-wire simultaneously.
In order to make the load minimizes of pairing tooth portion of drive wheel make in other words it reduce, particularly preferably propose in addition, the tilt angle of the tooth of the pairing tooth portion of described drive wheel is between the tilt angle of the corresponding optimum of the tooth of different driving screw rod.
Brief description of the drawings
Other advantage of the present invention, feature and details are from description of preferred embodiments below and obtain with reference to the accompanying drawings.
Accompanying drawing illustrates:
Fig. 1 is the exploded view by transmission-drive unit of the present invention,
Fig. 2 is by the enlarged view in tooth portion region between drive screw and drive wheel in transmission-drive unit of Fig. 1, and
Fig. 3 is in the case of using the view corresponding to Fig. 2 the drive screw for lowering the two-wire that drives rotating speed.
Embodiment
Figure 1 illustrates transmission-drive unit 10, as it is especially as the constituent element of comfortable driver in automobile, for example, but as window lifting driver, seat adjustment driver or similar device with limiting.
Described transmission-drive unit 10 comprises motor 11, and this motor has the permanent magnet 13 of armature unit 12 and two and half shellies.Described armature unit 12 and permanent magnet 13 are contained in the utmost point shell 14 of peviform, and this utmost point shell is formed from steel and is configured to deep-draw part.Described motor 11 is applied on the drive screw 25 being made of metal, and this drive screw is the constituent element of transmission device 17.This transmission device 17 for reducing the rotating speed of this motor 11 in increasing motor 11 moments of torsion, and wherein transmission device 17 is delivered to driving torque on live axle 18.
Described transmission device 17 is contained in the housing 20 of two-piece type, and this housing has the lower part 21 being made of plastics and the upper part 22 that is configured to foundry goods by aluminium.This lower part 21 is connected by the mutual shape of card nose in integrally formed part below 21 in locking manner with upper part 22.The housing 20 so forming is connected with utmost point shell 17 on the fastening flange 24 of part 22 in the above.At this, utmost point shell 17 rolls towards fastening flange 24 with its corresponding wall section, thereby forms sealed being connected of shape between utmost point shell 17 and housing 20.
In the embodiment shown in fig. 1, the driving element 16 of drive screw 25 forms is configured to a part for armature shaft integratedly.Also can use within the scope of the invention the drive screw 25 that is configured to independent member, it is connected with suitable methods with driving element 16, for example by pyrocondensation to driving element 16, by bonding or by the sealed for example tooth portion of connection of shape.
As especially known from Fig. 2, the tooth portion of the drive screw 25 of single line in other words helical 29 has helical pitch s.At this, the tooth portion of drive screw 25 engages with the pairing tooth portion of the transmission device 17 with drive wheel 26.The pairing tooth portion of this drive wheel 26 has helical teeth portion for this reason in a conventional manner.This drive wheel 26 is made of plastics, preferably by POM(polyoxymethylene) make, and be configured to spray to cast part.Shown in Fig. 1 and 2 there is the transmission-drive unit 10 with the drive screw 25 of the single line of helical pitch s in realize n
1rotating speed.
Propose by the present invention, replace drive screw 25(as shown in Figure 2 according to Fig. 3) can alternatively use drive screw 25a, this drive screw is configured with the drive screw 25a of the two-wire of helical 31,32 in the illustrated embodiment.It is important in this that, the helical pitch S of the each helical in two helicals 31,32 of drive screw 25a is the twice of the helical pitch s of the helical 29 of (single line) drive screw 25.Thus, when the rotating speed of drive screw 25,25a is identical in other words, to a point rotating speed, that is to say the rotation speed n of drive wheel 26 at motor 11
2, than the rotation speed n of drive wheel 26 in the time using drive screw 25
1for half.Other size of two drive screws 25,25a, especially width of its diameter, pitch, helical 29,31,32 etc. is configured to identical at least substantially.Having while exchanging between two drive screws 25 of different number helicals 29,31,32,25a, the pairing tooth quality award from the ministry of the helical teeth portion that is configured to of drive wheel 26 is selected on its tooth has tilt angle, in the time only using drive screw 25 or only use drive screw 25a, described tilt angle is arranged between the corresponding optimum tilt angle of pairing tooth portion.
Also advantageously, under using the drive screw 25a of two-wire in by the structure of Fig. 3, at least two regions 27,28 of the helical of drive screw 25a are arranged to connect in effect simultaneously, namely arrange engagingly with the pairing tooth portion of drive wheel 26.
Although preferably propose to replace by the drive screw 25a of two-wire the drive screw 25 of single line, also can replace by the drive screw of n line within the scope of the invention the drive screw 25 of single line.In addition, within the scope of the invention certainly can be by the impact of the extra transmission breast wheel not illustrating in the accompanying drawings for the driving rotating speed of further switching motor 11 in other words for improving the drive wheel 26 of moment of torsion.Can realize equally other structural flexible program of shown transmission-drive unit 10.Important is only to propose, and affects the driving rotating speed output torque in other words of the motor 11 of transmission-drive unit 10 by the line number that changes drive screw 25,25a.
Claims (6)
1. for mating the rotating speed (n of transmission-drive unit (10)
1, n
2) method, there is the drive screw (25,25a) being driven by drive motor (11), its tooth portion engages with the pairing tooth portion on drive wheel (26), wherein has the not drive screw of collinear number (25 in the case of using identical drive wheel (26) by use; 25a) realize the different rotating speed (n of drive wheel (26)
1, n
2), wherein according to helical (29; 31,32) the number using, drive screw (25; Helical (29 25a); 31,32) n of the helical pitch (s) when helical pitch (s, S) is the drive screw (25) of single line doubly.
2. press method claimed in claim 1,
It is characterized in that, as drive screw (25; 25a) the drive screw (25 of use single line and two-wire; 25a).
3. transmission-the drive unit (10) for using by method described in claim 1 or 2, wherein this transmission-drive unit (10) has drive screw (25; 25a), the tooth portion of this drive screw engages with the pairing tooth portion on drive wheel (26),
It is characterized in that,
Described drive screw (25; 25a) be made of metal, and drive wheel (26) is at least preferably made up of POM of plastics in the region of pairing tooth portion.
4. press transmission-drive unit claimed in claim 3,
It is characterized in that, in the time using the drive screw (25a) of two-wire, this drive screw is arranged to engage with the pairing tooth portion of drive wheel (26) simultaneously at least two part areas (27,28) of helical (31,32).
5. by the transmission-drive unit described in claim 3 or 4,
It is characterized in that,
This transmission-drive unit is the constituent element of comfortable driver in automobile.
6. press the transmission-drive unit described in any one in claim 3 to 5,
It is characterized in that,
The tilt angle of the tooth of the pairing tooth portion of described drive wheel (26) is positioned at for different drive screw (25; Between the tilt angle of the corresponding optimum of tooth 25a).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011089835A DE102011089835A1 (en) | 2011-12-23 | 2011-12-23 | Method for adjusting the rotational speed of a transmission drive device and transmission drive device |
| DE102011089835.2 | 2011-12-23 | ||
| PCT/EP2012/076401 WO2013092874A1 (en) | 2011-12-23 | 2012-12-20 | Method for adjusting the rotational speed of a gearbox drive device and gearbox drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103998822A true CN103998822A (en) | 2014-08-20 |
| CN103998822B CN103998822B (en) | 2018-01-19 |
Family
ID=47520978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280063263.6A Expired - Fee Related CN103998822B (en) | 2011-12-23 | 2012-12-20 | For the method and transmission drive of the rotating speed for matching transmission drive |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103998822B (en) |
| DE (1) | DE102011089835A1 (en) |
| WO (1) | WO2013092874A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953496A (en) * | 2017-05-24 | 2018-12-07 | 亿迈齿轮两合股份公司 | Gear pair and its application for helical gear or Cylindrical gear actuator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020715A (en) * | 1975-03-27 | 1977-05-03 | Steel Belt, Inc. | Speed reducer and housing therefor |
| DE9203194U1 (en) * | 1992-03-10 | 1992-10-08 | Siemens Ag, 8000 Muenchen, De | |
| US5992259A (en) * | 1996-10-16 | 1999-11-30 | Fleytman; Yakov | Worm/wormgear transmission and apparatus for transmitting rotation utilizing an oscillating input |
| DE19911432A1 (en) * | 1999-03-05 | 2000-09-21 | Brose Fahrzeugteile | Automotive seat adjustment spindle drive thread has convex profile preventing rattles |
| US20030213325A1 (en) * | 2002-05-15 | 2003-11-20 | Nguyen Chuong H. | Method for manufacturing a worm shaft for a gearbox and gearbox incorporating same |
| US20070103855A1 (en) * | 2005-11-08 | 2007-05-10 | Denso Corporation | Retractable display apparatus |
| CN101491420A (en) * | 2008-01-25 | 2009-07-29 | 德昌电机(深圳)有限公司 | Hand-held food blending device |
| CN201611348U (en) * | 2010-02-11 | 2010-10-20 | 宁波科达仪表有限公司 | Speedometer core driving spindle |
| CN101988565A (en) * | 2009-07-31 | 2011-03-23 | 东莞堤摩讯传动科技有限公司 | Transmission mechanism with deceleration function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710640A (en) * | 1971-02-08 | 1973-01-16 | Rw Transmissions Ltd | Worm gears |
| DE102005063000A1 (en) * | 2005-12-30 | 2007-07-12 | Dewert Antriebs- Und Systemtechnik Gmbh | Electric motor linear drive for furniture, has wrap around spring attached on distributor sleeve that is attached on cylindrical attachment, where sleeve comprises material with high stability than that of plastic of worm wheel |
-
2011
- 2011-12-23 DE DE102011089835A patent/DE102011089835A1/en not_active Ceased
-
2012
- 2012-12-20 CN CN201280063263.6A patent/CN103998822B/en not_active Expired - Fee Related
- 2012-12-20 WO PCT/EP2012/076401 patent/WO2013092874A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020715A (en) * | 1975-03-27 | 1977-05-03 | Steel Belt, Inc. | Speed reducer and housing therefor |
| DE9203194U1 (en) * | 1992-03-10 | 1992-10-08 | Siemens Ag, 8000 Muenchen, De | |
| US5992259A (en) * | 1996-10-16 | 1999-11-30 | Fleytman; Yakov | Worm/wormgear transmission and apparatus for transmitting rotation utilizing an oscillating input |
| DE19911432A1 (en) * | 1999-03-05 | 2000-09-21 | Brose Fahrzeugteile | Automotive seat adjustment spindle drive thread has convex profile preventing rattles |
| US20030213325A1 (en) * | 2002-05-15 | 2003-11-20 | Nguyen Chuong H. | Method for manufacturing a worm shaft for a gearbox and gearbox incorporating same |
| US20070103855A1 (en) * | 2005-11-08 | 2007-05-10 | Denso Corporation | Retractable display apparatus |
| CN101491420A (en) * | 2008-01-25 | 2009-07-29 | 德昌电机(深圳)有限公司 | Hand-held food blending device |
| CN101988565A (en) * | 2009-07-31 | 2011-03-23 | 东莞堤摩讯传动科技有限公司 | Transmission mechanism with deceleration function |
| CN201611348U (en) * | 2010-02-11 | 2010-10-20 | 宁波科达仪表有限公司 | Speedometer core driving spindle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953496A (en) * | 2017-05-24 | 2018-12-07 | 亿迈齿轮两合股份公司 | Gear pair and its application for helical gear or Cylindrical gear actuator |
| CN108953496B (en) * | 2017-05-24 | 2021-09-14 | 亿迈齿轮两合股份公司 | Gear pair for helical gear or cylindrical gear transmission device and application thereof |
| US11549578B2 (en) | 2017-05-24 | 2023-01-10 | Ims Gear Se & Co. Kgaa | Helical gear pairing for a helical gear unit, pairing and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013092874A1 (en) | 2013-06-27 |
| DE102011089835A1 (en) | 2013-06-27 |
| CN103998822B (en) | 2018-01-19 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20211220 |