CN208324966U - For the driver of automotive seat lifting adjusting and with the automotive seat of the driver - Google Patents
For the driver of automotive seat lifting adjusting and with the automotive seat of the driver Download PDFInfo
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- CN208324966U CN208324966U CN201820988862.3U CN201820988862U CN208324966U CN 208324966 U CN208324966 U CN 208324966U CN 201820988862 U CN201820988862 U CN 201820988862U CN 208324966 U CN208324966 U CN 208324966U
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- gear
- planetary gear
- driver
- train
- automotive seat
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Abstract
The utility model relates to a kind of drivers adjusted for automotive seat lifting, it includes cabinet, the case lid and transmission device that are adapted to the cabinet, the transmission device includes primary transmission mechanism and secondary drive mechanism, the primary transmission mechanism includes being engaged with each other and respectively along the helical gear and worm screw that axis is arranged that interlock, secondary drive mechanism includes Planetary Gear Transmission train, wherein, the Planetary Gear Transmission train is NGWN type planetary gear train.Driver according to the present utility model can be achieved at the same time large transmission ratio, small size, transmit steady advantage, also have both compact-sized, efficient feature.In addition, the utility model further relates to a kind of automotive seat including above-mentioned driver.
Description
Technical field
The utility model relates to driver, relate more specifically to a kind of driver adjusted for automotive seat lifting.This
Outside, the utility model further relates to include the automotive seat for the driver of automotive seat lifting adjusting.
Background technique
In order to better adapt to the demand of different user vehicles, it is often necessary to carry out height and angle to automotive seat
On adjustment, thus especially equipped with for realizing seat lifting or adjustable height automatic adjustment driver.In driver
Field is especially being lifted in the drive system of adjusting for seat, and people generally use two-stage or Multi-stage transmission mechanism is real
The transmitting of existing power.Generally, using two-stage transmission mechanism, final step transmission mechanism usually uses planet tooth
Take turns train.
A plurality of types of planetary trains as is generally known in the art.It is to be understood that if according to the configuration of basic building block
Situation can be divided into following three kinds of actuation types: 2Z-X, 3Z, Z-X-V (Z is centre wheel, and X is pivoted arm, and V is output shaft), wherein
The basic building block of 2Z-X type includes two centre wheels and a pivoted arm；The basic building block of 3Z type include three centre wheels (in 3Z type,
Since pivoted arm X is not subject to the effect of moment of face, as just needed for supporting planetary wheel arbor due to without being considered as basic building block
Structural detail)；The basic building block of Z-X-V type includes centre wheel, pivoted arm and output shaft.In particular, 3Z type include again 3Z-I type,
3Z-II type and 3Z-III type are respectively provided with different gear range and transmission efficiency.
If can also be divided into following actuation types according to the engagement system of gear: NGW type (has internal gear pair and nibbles outside
Close gear pair, while the planetary train also with a common gear), NW type (have internal gear pair with nibble outside
Close the planetary train of gear pair), the NN type planetary train of internal gear pair (tool there are two), WW type (tool
There are two external gear pump pair planetary train), NGWN type (tool there are two internal gear pair and an external toothing tooth
Wheel set, while the planetary train also with a common gear) and N-type (only with an internal gear pair row
Star pinion unit).It is to be understood that since there are two internal messings for 3Z type (including 3Z-I type, 3Z-II type and 3Z-III type) tool
Gear pair, an external gear pump pair and a common gear, thus actuation types belong to NGWN type.
In the prior art, it is especially adjusted for automotive seat lifting (especially causing " the rear lifting " of seat integral elevating)
In the driver of section, in general, realizing the deceleration of the first order using Worm Wheel System, then realized by the transmission of NGW planetary gear train
The deceleration of the second level, to reduce production cost and manufacture difficulty of processing as much as possible.However, this planetary transmission structure needs are larger
Space layout cannot achieve compact structure, lead to not realize the light-weighted design requirement of automotive seat, and using this
Planetary gear train transmission, the operation stability and noise problem of system urgently improve.
It is, therefore, desirable to provide a kind of driver adjusted for automotive seat lifting with novel structure, makes it possible to
Overcome the problems, such as said one or other defects multiple and/or existing in the prior art.
Utility model content
The utility model is to be proposed based on such background, and its purpose is at least that provide a kind of compact-sized
For automotive seat lifting adjust driver, so as to be easier to structure space be limited chair framework on layout and
Matching.
One side according to the present utility model proposes a kind of driver adjusted for automotive seat lifting comprising
Cabinet, the case lid and transmission device being adapted to the cabinet, the transmission device include primary transmission mechanism and secondary transmission machine
Structure, wherein the primary transmission mechanism includes being engaged with each other and passing respectively along the helical gear and worm screw, second level of axis arrangement of interlocking
Motivation structure includes Planetary Gear Transmission train, wherein the Planetary Gear Transmission train is NGWN type planetary gear train.
Advantageously, the Planetary Gear Transmission train is NGWN (3Z-I) type planetary gear train.
Advantageously, NGWN (3Z-I) the type planetary gear train include sun gear, double-planetary gear, planet carrier, for will be double
Connection planetary gear is mounted on planet axis, ring gear and output inner gear on planet carrier, wherein the sun gear, the ring gear
With the output inner gear as three centre wheels in 3Z-I type planetary gear train, the ring gear is fixed, the duplex
A planetary gear in planetary gear is engaged with both the sun gear and fixed ring gear, another in the double-planetary gear
A planetary gear is engaged with the output inner gear.
Advantageously, the helical gear does not couple rotatably with the sun gear, so that the power from motor passes through
The worm screw and helical gear are transmitted and are finally exported through the output inner gear.
Advantageously, the helical gear, the sun gear, the planet carrier and the output inner gear are installed in rotation on
In same support shaft, in the bearing hole that one end of the support shaft is received in the cabinet and the other end is received in the output
In the centre bore of internal gear.
Advantageously, the output end of the output inner gear is integrally formed with coaxial output gear, the output gear
Central opening through the case lid is stretched out to connect with the fan-shaped fluted disc on chair framework, so that realizing the lifting of automotive seat
Height adjustment.
Advantageously, the NGWN type planetary gear train is integrally accepted in the case lid and together with the helical gear shape
At case lid module, the worm screw is accepted in the cabinet and is formed together case together with the motor being fixed on the cabinet
Module, the case lid module and the box module are fixed together to constitute the driver by clamp device.
It is according to the present utility model in a first aspect, proposing a kind of automotive seat comprising tool according to the present utility model
There is the driver of above-mentioned technical characteristic.
Advantageously, the driver is fixed to automotive seat by passing through the assembly bolt of the mounting hole on the case lid
Skeleton is mounted laterally on plate.
Pass through level-one crossed helical gears snail using according to the driver of utility model adjusted for automotive seat lifting
Bar transmission mechanism realizes that the first order is slowed down, then is realized by NGWN type, particularly NGWN (3Z-I) type Planetary Gear Transmission train
The deceleration of the second level, the advantages of making it possible to realize good large transmission ratio, small size, self-locking property, stable drive simultaneously, and have both
Planetary mechanism is compact-sized, efficient advantage, and can also significantly improve the stability of transmission device and reduce noise.
Detailed description of the invention
By description referring to the drawings, the above and other feature and advantage of the utility model will become to be more easier
Understand, in attached drawing:
Fig. 1 is the decomposition view of the example driver according to the present utility model adjusted for automotive seat lifting；
Fig. 2 is the assembled view of the example driver according to the present utility model adjusted for automotive seat lifting；
Fig. 3 is the axis in Fig. 2 of the example driver according to the present utility model adjusted for automotive seat lifting
The cross-sectional view of line A interception；
Fig. 4 is NGWN employed in the driver of specific embodiment according to the present utility model (3Z-I) type planetary gear
The drive connection schematic diagram of train；
Fig. 5 is the schematic diagram of NGWN type planetary gear train；And
Fig. 6 shows the case lid module being made of NGWN type planetary gear train, helical gear and case lid.
Specific embodiment
Illustrate the utility model in further detail in the following with reference to the drawings and specific embodiments.It may make in the following description
About the explanation in orientation, such as "upper", "lower", "inner", "outside", " radial direction ", " axial direction " etc., clearly stated unless having,
Only for facilitating description, and without being intended to form any restriction to utility model technical solution.
Point of the example driver according to the present utility model adjusted for automotive seat lifting is shown respectively in Fig. 1 and 2
Diagrammatic view and assembled view.The case lid 3 and transmission device that driver 1 includes cabinet 2, is adapted to cabinet 2, which can
More stages transmission mechanism can also be used using two-stage transmission mechanism, or according to the particular demands that power transmits.Using two-stage
In the case where transmission mechanism, as shown in Figure 1, driver 1 includes with the worm screw 4 for being engaged with each other and arranging respectively along the axis that interlocks
With the level-one crossed helical gears worm gearing and secondary planetary gear transmission mechanism of helical gear 5.Certainly, primary transmission machine
Structure also could alternatively be the usual Worm and worm-wheel gearing in this field, such as single head Worm and worm-wheel gearing.
In the specific embodiment according to shown in the utility model, designed different from usual driver in the prior art,
Secondary planetary gear transmission mechanism uses NGWN type planetary gear train.Such planetary gear train includes two internal gear pairs
With an external gear pump pair, while also there is the common gear that engages simultaneously with two driving members.Compared with the prior art
In NGW type planetary gear train, this NGWN type planetary gear train can be preferably applied for automotive seat adjust driver in because this
The kind occupied space of planetary gear train is small, structure is more compact, operation stability is more preferable and noise is lower.
Advantageously, NGWN (3Z- can be used in the driver according to the present utility model adjusted for automotive seat lifting
I) type planetary gear train.It should be pointed out that (such as seat is adjusted the mechanical driving device that 3Z type planetary gear train is used to operate intermittently in short term
Driver) in it is relatively reasonable, have the characteristics that compact-sized, transmission ratio is big and transmission efficiency is high.In addition, if front is in background
What technology segment referred to, 3Z type planetary gear train is since there are two internal gear pair, an external gear pump pair and a public affairs for tool
It is total to gear and belongs to NGWN type, however, comprehensively consider 3Z-I type, 3Z-II type and the respective advantage and disadvantage of 3Z-III type, 3Z-I type row
Star wheel series due to relatively high transmission efficiency (η=0.8~0.9) and be easier to guarantee planetary gear be driven with one heart and
It is considered as a kind of preferred embodiment.
Fig. 3 shows the cross-sectional view that the driver in Fig. 2 is intercepted along axis A.Fig. 4 is shown employed in the driver 1
The drive connection schematic diagram of NGWN (3Z-I) type planetary gear train.As can be seen that the planetary gear train includes sun gear 6, duplex planet
Wheel 7 (including planetary gear 7a and 7b be integrally formed, positioned at different levels), is used for double-planetary gear 7 planet carrier 8
It is mounted on the planet axis 9 on planet carrier 8, fixed ring gear 10 and output inner gear 11.Obviously, sun gear 6, ring gear 10
With output inner gear 11 as three centre wheels in 3Z-I type planetary gear train；A planetary gear 7a in double-planetary gear 7 makees
It is the common gear in NGWN type to carry out external toothing and internal messing respectively with both sun gear 6 and fixed ring gear 10, and
Another planetary gear 7b and output inner gear 11 in the double-planetary gear carry out internal messing.
With reference to Fig. 3, in axial direction A is bottom-up turns for helical gear 5, sun gear 6, planet carrier 8 and output inner gear 11
It is mounted in same support shaft 12 dynamicly, helical gear 5 does not couple rotatably with sun gear 6 (for example, helical gear and the sun
Wheel is preferably integrally formed), planet carrier 8 and output inner gear 11 can be freely rotated around support shaft 12, and the one of support shaft 12
It terminates in the bearing hole 13 being contained in cabinet 2 and the other end is received in the centre bore 14 of output inner gear 11.As shown in figure 5,
Ring gear 10 includes the gear ring part 10a and flange portion 10b being fixed to one another, and gear ring part 10a is received in flange portion 10b's
Relative to flange part in cavity and by rotary lock device (such as the protrusion and recess portion being engaged with each other, figure in not specifically illustrated)
Divide 10b that can not relatively rotate, to be fixedly accommodated in case lid integrally, in terms of rotation.It should be understood that, it can be envisaged that
Ring gear is designed to the form of integral piece, i.e. flange portion 10b is integrally formed with gear ring part 10a, it may also be envisaged that by tooth
Circle part is directly anchored to omit flange portion in case lid 3.
Power realizes transmitting and output according to following route: referring to fig. 2-4, power is first from motor 15 through power output shaft
It is transferred to worm screw 4,5 engaged transmission of worm screw 4 and helical gear, helical gear 5 and sun gear 6 are rotated synchronously around same axis, planet carrier 8
The planetary gear 7a positioned at lower layer grade in the double-planetary gear 7 of upper carrying is engaged with both sun gear 6 and fixed ring gear 10
Transmission, so that entire double-planetary gear 7 is around respective 9 rotation of planet axis, and the module that planet carrier 8 and double-planetary gear 7 form
It can be freely rotated around support shaft 12, to realize double-planetary gear 7 around the revolution of sun gear 6；In double-planetary gear 7 be located at compared with
The planetary gear 7b of upper level is engaged with output inner gear 11, so that driving output inner gear 11 and making power finally defeated through its
Out.
NGWN type planetary gear train can be integrally accepted in the chamber of case lid 3, as shown in Figure 5.According to the utility model
A specific embodiment, be integrally formed with output gear 16 on output inner gear 11, the center of the output gear 16 through case lid 3
Opening 17 is stretched out to 3 outside of case lid, power is further transferred to other transmission parts on seat, on chair framework
Fan-shaped fluted disc, the rotary motion of output gear 16 is finally converted into elevating movement, to realize the integral elevating of seat.
As shown in fig. 6, NGWN type planetary gear train with the flange portion 10b of the matched ring gear 10 of case lid 3 by being mounted
To case lid 3, and case lid module is formed together together with helical gear 5.In addition, worm screw 4 is accepted in cabinet 2 and together with being fixed to
Motor 15 on cabinet 2 is formed together box module.By clamp device (such as screw 18 etc.) by case lid module and box body formwork
Block is fixed together, so that helical gear 5 is entered to form meshing relation with worm screw 4 in cabinet 2, is used for automobile to constitute
The driver that seat lifting is adjusted, as shown in Figure 2.
A specific embodiment according to the present utility model, as illustrated in fig. 1 and 2, motor 15 will be by will for example screw 18 pass through
The mounting hole of the end mounting flange of motor 15 is simultaneously screwed to being fixed in the fastener hole of cabinet 2 being mounted laterally in flange
The side of cabinet 2.It should be understood that motor 15 is along coaxial with worm screw arranged direction B and be orthogonal to the power output of transmission device
The direction of axis A is arranged.However, the other possible motor arrangements that can be realized above-mentioned function and purpose are also feasible
's.
The driver according to the present utility model adjusted for automotive seat lifting is by using level-one crossed helical gears
Worm gearing and second level NGWN type (especially NGWN (3Z-I) type) Planetary Gear Transmission train, in addition to that can make to be driven
The structure space occupied needed for device is small, structure is more compact outer, additionally it is possible to the effect of large transmission ratio is obtained, so as to electricity
The requirement of machine torque reduces, thus reduces the volume of motor and mitigate the weight of motor.In addition, utilizing crossed helical gears worm screw
The self-locking performance of drive mechanism can enable position of the seat after adjusting be held stably.
It should be pointed out that embodiments illustrated above should be considered only as illustratively, the utility model is not limited to these implementations
Example.By considering the content of this specification, those skilled in the art can be in the feelings without departing from the scope of the utility model or spirit
A variety of changes and modification are made under condition.The true scope of the utility model is by appended claims and equivalents.
Claims (9)
1. a kind of driver adjusted for automotive seat lifting comprising cabinet, the case lid being adapted to the cabinet and transmission
Device, the transmission device include primary transmission mechanism and secondary drive mechanism, which is characterized in that primary transmission mechanism packet
It includes and is engaged with each other and includes respectively Planetary Gear Transmission wheel along the helical gear and worm screw, secondary drive mechanism of axis arrangement of interlocking
System, wherein the Planetary Gear Transmission train is NGWN type planetary gear train.
2. driver according to claim 1, which is characterized in that the Planetary Gear Transmission train is NGWN (3Z-I) type
Planetary gear train.
3. driver according to claim 2, which is characterized in that NGWN (3Z-I) the type planetary gear train includes the sun
Wheel, double-planetary gear, planet carrier, the planet axis for being mounted on double-planetary gear on planet carrier, ring gear and output internal tooth
Wheel, wherein the sun gear, the ring gear and the output inner gear are as three centers in 3Z-I type planetary gear train
Wheel, the ring gear are fixed, a planetary gear and the sun gear and fixed ring gear in the double-planetary gear
The two engages, another planetary gear in the double-planetary gear is engaged with the output inner gear.
4. driver according to claim 3, which is characterized in that the helical gear can not be relatively rotated with the sun gear
Ground connection, so that the power from motor is transmitted through the worm screw and helical gear and finally exported through the output inner gear.
5. driver according to claim 4, which is characterized in that the helical gear, the sun gear, the planet carrier and
The output inner gear is installed in rotation in same support shaft, and one end of the support shaft is received in the axis in the cabinet
In bearing bore and the other end is received in the centre bore of the output inner gear.
6. driver according to any one of claim 3 to 5, which is characterized in that the output end of the output inner gear
Be integrally formed with coaxial output gear, the output gear through the central opening of the case lid stretch out with chair framework
On fan-shaped fluted disc connection so that realize automotive seat adjustable height adjust.
7. driver according to any one of claim 1 to 5, which is characterized in that the NGWN type planetary gear train is whole
It is accepted in the case lid and is formed together case lid module together with the helical gear, the worm screw is accepted in the cabinet
And it is formed together box module together with the motor being fixed on the cabinet, the case lid module and the box module pass through
Clamp device is fixed together to constitute the driver.
8. a kind of automotive seat, it is characterised in that including driver according to any one of claim 1 to 7.
9. automotive seat according to claim 8, which is characterized in that the driver is by passing through the peace on the case lid
The assembly bolt in dress hole is fixed to being mounted laterally on plate of automobile chair frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988862.3U CN208324966U (en) | 2018-06-22 | 2018-06-22 | For the driver of automotive seat lifting adjusting and with the automotive seat of the driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988862.3U CN208324966U (en) | 2018-06-22 | 2018-06-22 | For the driver of automotive seat lifting adjusting and with the automotive seat of the driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208324966U true CN208324966U (en) | 2019-01-04 |
Family
ID=64768820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820988862.3U Active CN208324966U (en) | 2018-06-22 | 2018-06-22 | For the driver of automotive seat lifting adjusting and with the automotive seat of the driver |
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| CN (1) | CN208324966U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483360A (en) * | 2019-01-29 | 2020-08-04 | 费舍尔和同伴有限公司 | Gear assembly for a seat adjuster |
| US11485255B2 (en) | 2020-05-01 | 2022-11-01 | Fisher & Company, Incorporated | Gearbox for vehicle seat adjustment mechanism |
| US11529892B2 (en) | 2020-05-01 | 2022-12-20 | Fisher & Company, Incorporated | Gearbox for vehicle seat adjustment mechanism |
| US11584261B2 (en) | 2019-01-09 | 2023-02-21 | Fisher & Company, Incorporated | Power seat track assembly |
| US11760233B2 (en) | 2019-02-20 | 2023-09-19 | Fisher & Company, Incorporated | Ultra-compact power length adjuster with anti-back drive capability and pinion-rack output for a vehicle seat |
| US11766956B2 (en) | 2016-09-08 | 2023-09-26 | Fisher & Company, Incorporated | Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same |
-
2018
- 2018-06-22 CN CN201820988862.3U patent/CN208324966U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11766956B2 (en) | 2016-09-08 | 2023-09-26 | Fisher & Company, Incorporated | Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same |
| US11584261B2 (en) | 2019-01-09 | 2023-02-21 | Fisher & Company, Incorporated | Power seat track assembly |
| CN111483360A (en) * | 2019-01-29 | 2020-08-04 | 费舍尔和同伴有限公司 | Gear assembly for a seat adjuster |
| CN111483360B (en) * | 2019-01-29 | 2022-08-02 | 费舍尔和同伴有限公司 | Gear assembly for a seat adjuster |
| US11760233B2 (en) | 2019-02-20 | 2023-09-19 | Fisher & Company, Incorporated | Ultra-compact power length adjuster with anti-back drive capability and pinion-rack output for a vehicle seat |
| US11485255B2 (en) | 2020-05-01 | 2022-11-01 | Fisher & Company, Incorporated | Gearbox for vehicle seat adjustment mechanism |
| US11529892B2 (en) | 2020-05-01 | 2022-12-20 | Fisher & Company, Incorporated | Gearbox for vehicle seat adjustment mechanism |
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