CN103791064B - Rotary screw drive device - Google Patents
Rotary screw drive device Download PDFInfo
- Publication number
- CN103791064B CN103791064B CN201310755522.8A CN201310755522A CN103791064B CN 103791064 B CN103791064 B CN 103791064B CN 201310755522 A CN201310755522 A CN 201310755522A CN 103791064 B CN103791064 B CN 103791064B
- Authority
- CN
- China
- Prior art keywords
- drive device
- bolt
- screw drive
- rotary screw
- stopping element
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/067—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable by linear actuators, e.g. linear screw mechanisms
-
- 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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2/929—Positioning and locking mechanisms linear
-
- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/209—Arrangements for driving the actuator using worm gears
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of rotary screw drive device, the rotary screw drive device in particular for the adjusting means in vehicle, the rotary screw drive device includes：Screw rod；The worm gear not being connected rotatably with the screw rod；Accommodate the housing of the worm gear；It is installed to the stopping element in the housing；The first locked spacer on the stopping element is constructed, first locked spacer is used as the axial stop of the worm gear or the screw rod in the first side of the worm gear；The second locked spacer on the stopping element is constructed, second locked spacer is used as the axial stop of the worm gear or the screw rod in the second side of the worm gear；The first bolt receiving portion is wherein configured with the stopping element；And the second bolt receiving portion with the first bolt receiving portion to center is wherein configured with the housing.
Description
Technical field
Driven the present invention relates to a kind of rotary screw drive device, in particular for the rotary screw of the adjusting means in vehicle
Dynamic device.The rotary screw drive device is for example for adjusting seat.
Background technology
Under normal circumstances, rotary screw drive device includes screw rod, and bolt and nut is provided with the screw rod.In rotation spiral shell
Worm gear is not disposed with rotatably on one end of bar.The worm gear is in rotation status by worm-wheel shaft and motor.Institute
Worm gear is stated to accommodate in the housing.In order to axially support worm gear and then supporting screw, each locked spacer is located at snail in the housing
The both sides of wheel.On side, rotary screw drive device is for example fixed in a motor vehicle by bolt and nut.On another side,
Rotary screw drive device is fixed on housing.In the case where colliding, spiral shell worm and wheel can hit two locked spacers
One of them.Here, housing so must be constructed stably, so that the power from locked spacer can be transmitted via housing
On to fixing point and then it is delivered on vehicle.This needs metastable shell structure.
The content of the invention
Included according to the rotary screw drive device of the present invention：Screw rod；It is not connected rotatably with the screw rod
Worm gear；Accommodate the housing of the worm gear；It is installed to the stopping element in the housing；Construct first on the stopping element
Locked spacer, first locked spacer is used as the axial direction of the worm gear or the screw rod in the first side of the worm gear
Backstop；Construct the second locked spacer on the stopping element, second side of second locked spacer in the worm gear
The upper axial stop as the worm gear or the screw rod；The receiving of the first bolt is wherein configured with the stopping element
Portion；And wherein, the second bolt receiving portion to center with the first bolt receiving portion is configured with the housing.According to
The present invention, two locked spacers are directly connected by bolt with upper level structure, such as motor vehicle.The housing itself is therefore
The not capacity when colliding.This enables housing to construct very with low costly and simple in construction.The advantage passes through
Realized according to the rotary screw drive device of the present invention, be that rotary screw drive device includes screw rod, not rotatably
The worm gear and the housing of the receiving worm gear being fixed on the screw rod.Worm-wheel shaft be located at the housing in itself in or flange
It is connected on the housing, the worm-wheel shaft causes worm gear and then causes screw rod to be in rotation status.Herein, worm-wheel shaft passes through electricity
Motivation is driven.Stopping element is installed in the housing.The first locked spacer and second are configured with the stopping element
Locked spacer.Two locked spacers are arranged so as in the housing, so that when colliding, the locked spacer forms spiral shell respectively
The axial stop of bar or worm gear.The first bolt receiving portion is configured with stopping element.It is configured with the housing and the first spiral shell
Second bolt receiving portion of the bolt receiving portion to center.Whole bolt can be through two bolt receiving portion extensions.By the bolt,
Rotary screw drive device is connected with upper level structure, for example with motor vehicle.By stopping element, power is directly from two stop pads
Piece is transferred to bolt.The housing forms basic bearing position.Locked spacer is used to support only in collision process.
The preferred improvement project of the present invention is described below.
The rotary screw drive device preferably includes bolt, and the bolt extends through two bolt receiving portions.First
Bolt receiving portion includes the first hole that at least one has the first diameter.The bolt has Second bobbin diameter, wherein the first diameter
Slightly it is slightly larger than Second bobbin diameter.Thus stopping element has gap along the radial direction of bolt.
The second bolt receiving portion in the housing preferably have with bolt identical diameter so that bolt is pacified securely
Dress is in the housing.Two locked spacers are arranged so as in the housing, so that in the normal operation of rotary screw drive device, institute
State in the backstop that locked spacer reclines in the housing.Only in the case where there is corresponding relatively large load, power is just from stopping element
It is transferred directly to bolt.
It is then preferred that regulation, the bolt can be installed in two bolt receiving portions perpendicular to the longitudinal axis of screw rod.Cause
This bolt is placed perpendicular to the screw rod.
First locked spacer preferably has middle recess.Screw rod extends through the recess.
Second locked spacer is preferably placed on the axial end portion of screw rod.It is then preferred that regulation, the axle in the side of screw rod
Spheroid is integrated with to end.The spheroid backstop accomplished on the second locked spacer.
The stopping element preferably includes two parallel struts.Described two parallel strut separation distances from each other from first
Bolt receiving portion extends to the first locked spacer.
It is then preferred that regulation, the stopping element includes two other parallel struts, described two other parallel branch
Post extends to the second locked spacer from the first bolt receiving portion.
The stopping element is preferably integrally manufactured.It can also alternatively provide, the stopping element is by least two
Part is collectively constituted.The first locked spacer is configured with first component.The second locked spacer is configured with second component.Two
Individual part has at least one first bolt receiving portion respectively.
In the case of normal work operation, the first locked spacer is supported on housing., should drawing when colliding
In the presence of power, direct power stream is transferred to bolt by the first locked spacer and is transferred in opposite direction by bolt in other words
Stopping element.Power stream is transferred to screw rod from the first locked spacer by worm gear, and then is transferred to bolt and nut.Housing to the greatest extent may be used herein
Can ground holding no-load.Preferable situation is that the direct power stream is only just produced when colliding, it is therefore advantageous that the
Overall diameter of the of one bolt receiving portion greater diameter than bolt.
Similar power stream can be produced during backstop worm gear for compression and then on the second locked spacer.In this feelings
Under condition, in collision there is also being directly connected between bolt and the second backstop pad, so as to avoid the overload of housing.
Brief description of the drawings
Embodiments of the invention are described in detail with reference next to accompanying drawing.Wherein：
Fig. 1 is the sectional view of rotary screw drive device according to an embodiment of the present；
Fig. 2 is the detail view according to Fig. 1；And
Fig. 3 and Fig. 4 are the different views of the stopping element of rotary screw drive device according to an embodiment of the invention.
Embodiment
Next a kind of embodiment of rotary screw drive device 1 is illustrated according to Fig. 1 to Fig. 4.
Rotary screw drive device 1 includes screw rod 2（Also referred to as threaded rod）.It is provided with the screw rod 2 moveable
Bolt and nut（It is not shown）.Longitudinally 3 extension of screw rod 2.Screw rod 2 figure 1 illustrates axial end portion on can not be relative
Rotationally it is disposed with worm gear 4.The worm gear 4 is surrounded by housing 5.Worm-wheel shaft is located in housing 5 or flange is connected to housing 5
On, the worm-wheel shaft causes worm gear 4 to be in rotation status.
Stopping element 6 is installed in housing 5.The stopping element 6 is portion that is independent, independently being manufactured with housing 5
Part.The stopping element 6 is collectively constituted by first component 7, second component 8 and connector 9 in the illustrated embodiment.The company
Fitting 9 can be two parts 7,8 overall part of one of them.In addition, including two parts 7,8 and connector
9 whole stopping element can also be fabricated to the part of integral type.
The first locked spacer 11 is configured with first component 7.The second locked spacer 12 is configured with second component 8.
Fig. 2 shows the detail portion identified in Fig. 1 with II..Stopping element 6 and housing 5 are symmetrically designed, so that
Thin portion II. is realized in the region of lower section in the corresponding way.As shown in Fig. 2 constructing the receiving of the first bolt in stopping element 6
Portion 13.The first component 7 has two parallel struts 21.Described two parallel struts 21 extend from the first bolt receiving portion 13
To the first locked spacer 11.Therewith analogously, the second component 8 also includes two other parallel struts 23.It is described another
Outer parallel strut 23 extends to the second locked spacer 12 in relatively short distance from the first bolt receiving portion 13.
In the illustrated embodiment, the first bolt receiving portion 13 includes four through holes 14：It is configured with first component 7
Two through holes 14.Two through holes 14 are equally configured with second component 8.The through hole 14 has the first diameter 16.
The second bolt receiving portion 15 is configured with the housing.The second bolt receiving portion 15 includes two in housing 5
Opposed through hole.The second bolt receiving portion 15 has Second bobbin diameter 17.
Bolt 10 is inserted into two bolt receiving portions 13,15.The bolt 10 is used as and upper level structure, for example motor-driven
The link position of car.Bolt 10 equally has Second bobbin diameter 17.Thus bolt 10 is fixedly mounted in the second bolt receiving portion 15
In.Due to the difference between the first diameter 16 and Second bobbin diameter 17, radial direction of the stopping element 6 along bolt 10 has certain
Gap.
Fig. 1 shows there is backstop 19 in housing 5.Spring 18 between the first locked spacer 11 and housing 5 is used for will
First locked spacer 11 is supported on worm gear 4.In normal operation, the power being applied on the first locked spacer 11 passes through only
Gear 19 is delivered on housing 5.For corresponding larger power, such as when colliding, power directly by two locked spacers 11,
12 are delivered on bolt 10.
Fig. 3 shows the top view of stopping element 6.It is described parallel further there is illustrated one of two parallel struts 21
Pillar extends to the first locked spacer 11 from the first bolt receiving portion 30.
Fig. 4 respectively illustrates stopping element 6, longitudinally 3 direction observation front and back.View in left side
In it can be seen that, in the first locked spacer 11 be provided with recess 22.Screw rod 2 extends through the recess 22.Second locked spacer
12 are configured with square surface, and second locked spacer is used as the backstop of the spheroid 20 on the end of the side of screw rod 2.
Claims (11)
1. rotary screw drive device（1）, the rotary screw drive device includes：
- screw rod（2）；
- and the screw rod（2）The worm gear not connected rotatably（4）；
- accommodate the worm gear（4）Housing（5）；
- it is installed to the housing（5）In stopping element（6）；
- construction is in the stopping element（6）On the first locked spacer（11）, first locked spacer is in the worm gear（4）
First side on be used as the worm gear（4）Or the screw rod（2）Axial stop；
- construction is in the stopping element（6）On the second locked spacer（12）, second locked spacer is in the worm gear（4）
Second side on be used as the worm gear（4）Or the screw rod（2）Axial stop；
- wherein in the stopping element（6）In be configured with the first bolt receiving portion（13）；And
- wherein in the housing（5）In be configured with and the first bolt receiving portion（13）To the second bolt receiving portion at center
（15）.
2. rotary screw drive device according to claim 1, it is characterised in that provided with bolt（10）, the bolt use
In fixed rotary screw drive device（1）, wherein the bolt（10）It is inserted into the first bolt receiving portion and the second bolt
Receiving portion（13、15）In.
3. rotary screw drive device according to claim 2, it is characterised in that the first bolt receiving portion（13）Tool
There is the first diameter（16）, and the bolt（10）With Second bobbin diameter（17）, wherein first diameter（16）More than described
Second bobbin diameter（17）, so that the stopping element（6）Can be radial to the bolt（10）It is mobile.
4. rotary screw drive device according to claim 2, it is characterised in that the bolt（10）It is inserted into hanging down
Directly in the screw rod（2）Longitudinal axis（3）Two bolt receiving portions（13、15）In.
5. rotary screw drive device according to claim 1, it is characterised in that first locked spacer（11）Have
Middle recess（22）, the screw rod（2）Extend through the recess.
6. rotary screw drive device according to claim 1, it is characterised in that second locked spacer（12）Arrangement
In the screw rod（2）Axial end portion on.
7. rotary screw drive device according to claim 1, it is characterised in that the stopping element（6）Including two
Parallel strut（21）, described two parallel struts are by the first bolt receiving portion（13）With first locked spacer（11）Even
Connect.
8. rotary screw drive device according to claim 7, it is characterised in that the stopping element（6）Including two
Other parallel strut, described two other parallel struts are by the first bolt receiving portion（13）With second stop pad
Piece（12）Connection.
9. rotary screw drive device according to claim 1, it is characterised in that whole stopping element（6）Integrally
Construction.
10. rotary screw drive device according to claim 1, it is characterised in that the stopping element（6）By at least one
Individual first component（7）With at least one second component（8）Collectively constitute, wherein in the first component（7）In be configured with first
Locked spacer（11）, and in the second component（8）In be configured with the second locked spacer（12）, and wherein in two parts
（7、8）It is middle to construct at least one first bolt receiving portion respectively（13）.
11. rotary screw drive device according to claim 1, it is characterised in that the rotary screw drive device（1）
For the adjusting means in vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210219629 DE102012219629A1 (en) | 2012-10-26 | 2012-10-26 | Fulcrum shaft drive for adjustment device for adjusting seat in motor car, has torque-proof worm wheel connected with spindle, bolt retainer formed at thrust element, and bolt retainer aligned with another bolt retainer formed in housing |
| DE102012219629.3 | 2012-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791064A CN103791064A (en) | 2014-05-14 |
| CN103791064B true CN103791064B (en) | 2017-10-31 |
Family
ID=50479631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755522.8A Expired - Fee Related CN103791064B (en) | 2012-10-26 | 2013-10-25 | Rotary screw drive device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103791064B (en) |
| DE (1) | DE102012219629A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29513272U1 (en) * | 1995-08-18 | 1997-01-02 | Robert Bosch Gmbh, 70469 Stuttgart | Device for adjusting a seat in a motor vehicle |
| US6220642B1 (en) * | 1998-11-26 | 2001-04-24 | Aisin Seiki Kabushiki Kaisha | Vehicular power seat slide device |
| CN101272929A (en) * | 2005-09-28 | 2008-09-24 | 罗伯特·博世有限公司 | Transmission drive unit with a support tube, and method for manufacturing such a transmission drive unit |
| CN101384835A (en) * | 2006-02-14 | 2009-03-11 | 罗伯特.博世有限公司 | Spindle drive, in particular for adjusting a moveable part in a motor vehicle, and method for producing said spindle drive |
| EP2090806A1 (en) * | 2008-02-15 | 2009-08-19 | Robert Bosch Gmbh | Transmission-drive unit with a bearing assembly |
| CN102029928A (en) * | 2009-10-05 | 2011-04-27 | 德鱼塔工业股份有限公司 | Seat slide structure for vehicle |
| CN102066151A (en) * | 2008-06-24 | 2011-05-18 | 白木工业株式会社 | Power slide device for vehicle seat |
-
2012
- 2012-10-26 DE DE201210219629 patent/DE102012219629A1/en not_active Withdrawn
-
2013
- 2013-10-25 CN CN201310755522.8A patent/CN103791064B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29513272U1 (en) * | 1995-08-18 | 1997-01-02 | Robert Bosch Gmbh, 70469 Stuttgart | Device for adjusting a seat in a motor vehicle |
| US6220642B1 (en) * | 1998-11-26 | 2001-04-24 | Aisin Seiki Kabushiki Kaisha | Vehicular power seat slide device |
| CN101272929A (en) * | 2005-09-28 | 2008-09-24 | 罗伯特·博世有限公司 | Transmission drive unit with a support tube, and method for manufacturing such a transmission drive unit |
| CN101384835A (en) * | 2006-02-14 | 2009-03-11 | 罗伯特.博世有限公司 | Spindle drive, in particular for adjusting a moveable part in a motor vehicle, and method for producing said spindle drive |
| EP2090806A1 (en) * | 2008-02-15 | 2009-08-19 | Robert Bosch Gmbh | Transmission-drive unit with a bearing assembly |
| CN102066151A (en) * | 2008-06-24 | 2011-05-18 | 白木工业株式会社 | Power slide device for vehicle seat |
| CN102029928A (en) * | 2009-10-05 | 2011-04-27 | 德鱼塔工业股份有限公司 | Seat slide structure for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012219629A1 (en) | 2014-04-30 |
| CN103791064A (en) | 2014-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171031 Termination date: 20211025 |