CN105217041A - The guarded by location structure of actuating unit in a kind of seat - Google Patents
The guarded by location structure of actuating unit in a kind of seat Download PDFInfo
- Publication number
- CN105217041A CN105217041A CN201510626200.2A CN201510626200A CN105217041A CN 105217041 A CN105217041 A CN 105217041A CN 201510626200 A CN201510626200 A CN 201510626200A CN 105217041 A CN105217041 A CN 105217041A
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- magnetic clutch
- permanent magnets
- driving wheel
- gear
- clutch gear
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Abstract
A guarded by location structure for actuating unit in seat, is characterized in that: described guarded by location structure comprises transmission gear, magnetic clutch gear, magnetic clutch driving wheel and potentiometer; Transmission gear and drive spindle link and arrange, and this transmission gear engages with magnetic clutch gear; The wheel body of magnetic clutch gear is embedded with at least one first permanent magnets; Magnetic clutch driving wheel is fixedly arranged in a rotating shaft of potentiometer or coder, and the center of turn of power wheel is positioned on the axis of rotating shaft, forms when magnetic clutch driving wheel rotates and drives the rotating shaft of potentiometer or coder to rotate in the lump; And the laminating of magnetic clutch driving wheel is arranged on magnetic clutch gear, the first permanent magnets on the wheel body of magnetic clutch driving wheel in corresponding magnetic clutch gear is embedded with at least one second permanent magnets, keeps magnetic clutch gear and magnetic clutch driving wheel to fit locate by the magnetic attraction between the first permanent magnets and the second permanent magnets.The present invention has high reliability, the available protecting actuating unit of seat.
Description
Technical field
The present invention relates to the actuating unit of seat, be specifically related to the guarded by location structure of actuating unit in a kind of seat.Described seat is used in passenger plane or train, in seat according to position (as back, leg, foot etc.) regulatory function need be provided with actuating unit.
Background technology
Usually, comparatively high-grade seat, it several mainly be adjustable to the passive position of human body, object is comfortable custom or physical trait in order to coordinate different users, is supplied to the use body sense that user one is comfortable.In order to control each component part of seat, be typically provided with in seat a set of control system and by this control system control can the set of execution mechanism of adjusting seat each several part.
Existing actuating unit, its position feedback generally adopts potentiometer or coder, by gear driven potentiometer or the coder rotation of actuating unit, again according to the location status of potentiometer or encoder feedback actuating unit, and prevent it from damaging because moment of torsion is excessive when end position in order to protection potential meter or coder, or O shape between coder and gear, can be used to enclose flexible downlink connection at potentiometer, the force moment protection when exceeding spacing, O shape circle and skidding between potentiometer or coder, protection potential meter or coder are not damaged whereby, and then actuating unit is protected.The prior art finds to have the following disadvantages in Long-Time Service: one, O shape circle exists the possibility coordinating pine, and when coordinating pine, transmission can exist skidding, caused value of feedback and actual value not to meet; Two, there is the possibility coordinating tension in O shape circle, and when coordinating tension, transmission excessive torque can make potentiometer or coder damage, the object of out of reach protection actuating unit.
Therefore, how to solve the deficiency that above-mentioned prior art exists, just become the problem that the present invention will research and solve.
Summary of the invention
The invention provides the guarded by location structure of actuating unit in a kind of seat, its object is to solve prior art O shape circle and exist and coordinated loose or tension and the series of problems that causes.
For achieving the above object, the technical solution used in the present invention is: the guarded by location structure of actuating unit in a kind of seat, and described actuating unit also comprises frame, motor and drive spindle; Described guarded by location structure comprises transmission gear, magnetic clutch gear, magnetic clutch driving wheel and potentiometer or coder; Wherein,
Described transmission gear relatively described gantry rotation location, and link with described drive spindle and arrange, this transmission gear also engages with described magnetic clutch gear simultaneously;
The relatively described gantry rotation location of described magnetic clutch gear, the wheel body of this magnetic clutch gear is embedded with at least one first permanent magnets, and this first permanent magnets is between wheel body center and the gear teeth;
Described magnetic clutch driving wheel is fixedly arranged in a rotating shaft of described potentiometer or coder, the center of turn of this magnetic clutch driving wheel is positioned on the axis of described rotating shaft, forms and the rotating shaft of described potentiometer or coder can be driven to rotate in the lump when described magnetic clutch driving wheel rotates; And described magnetic clutch driving wheel laminating is arranged on described magnetic clutch gear, the first permanent magnets on the wheel body of magnetic clutch driving wheel in corresponding described magnetic clutch gear is embedded with at least one second permanent magnets, keeps described magnetic clutch gear and described magnetic clutch driving wheel to fit locate by the magnetic attraction between described first permanent magnets and described second permanent magnets;
The relatively described frame of described potentiometer or coder is fixed.
Related content in technique scheme is explained as follows:
1. in such scheme, described magnetic clutch gear is a gear being provided with permanent magnets (as magnet steel), and described magnetic clutch driving wheel is a runner being provided with permanent magnets (as magnet steel).
2. in such scheme; keep described magnetic clutch gear and described magnetic clutch driving wheel to fit by the magnetic attraction between each described first permanent magnets and each described second permanent magnets to locate; design whereby; when described drive spindle arrives restraining position; namely when transmission torsion is greater than the magnetic attraction between the first permanent magnets and the second permanent magnets; described magnetic clutch gear and described magnetic clutch driving wheel can depart from coupled condition to reach the object of torque protection; thus protect described potentiometer not damage, more and then reach the object of protecting chair actuating unit.
3. in such scheme, in described first permanent magnets or described second permanent magnets, the quantity of at least one is more than or equal to two, each described first permanent magnets or described second permanent magnets equidistantly arrange along the circumference of the center of turn of set main body, and each first permanent magnets or the second permanent magnets identical to the distance at set body rotation center, and on described magnetic clutch gear, the magnetic pole of adjacent two first permanent magnets is contrary, and on described magnetic clutch driving wheel, the magnetic pole of adjacent two second permanent magnets is contrary.Because the magnetic pole of adjacent two first permanent magnets or the second permanent magnets is contrary, therefore when transmitting torsion and being greater than the magnetic attraction between the first permanent magnets and the second permanent magnets, the absorption broken away from magnetic clutch driving wheel is rotated further by described magnetic clutch gear, cause each first permanent magnets pivot offset, described magnetic clutch gear and described magnetic clutch driving wheel can be identical and repel and skid because of the magnetic pole of the first permanent magnets of adjacent position of staggering and the second permanent magnets, and then the rotating shaft of described potentiometer or coder cannot be rotated further, to reach the object of torque protection;
4. in such scheme, described first permanent magnets or the second permanent magnets quantity more, the connection of described magnetic clutch gear and described magnetic clutch driving wheel is then more reliable, even if both relative positions skid because transmission torsion is greater than magnetic attraction, after the location restore of described drive spindle, both also can adsorb laminating location at once again.
5. in such scheme, both are also located in rotation direction by a location structure by described magnetic clutch gear and described magnetic clutch driving wheel, so as to the stability that both raisings connect.
6., in such scheme, described location structure is made up of the positioning groove on the end face of the recessed end face in described magnetic clutch gear or described magnetic clutch driving wheel and the locating piece be convexly equipped on the end face of described magnetic clutch driving wheel or the end face of described magnetic clutch gear.
7. in such scheme, described magnetic clutch gear by an axis body rotational positioning that its center of turn wears in described frame, stable so as to what improve that described magnetic clutch gear is connected with described frame.
Principle of work of the present invention and advantage as follows: the guarded by location structure of actuating unit in a kind of seat of the present invention, transmitting torque is carried out mainly through using magnetic clutch gear and the magnetic part of this two panels band of magnetic clutch driving wheel, reach following effect with this: one, when restriction site internal tooth roller box moves, the output torque of transmission gear is delivered to potentiometer to be made it to move and the actual position feeding back actuating unit accurately; Two, when actuating unit arrives restraining position; namely when transmission torsion is greater than the first permanent magnets and the second permanent magnets magnetic attraction; magnetic clutch gear and magnetic clutch driving wheel can depart from the object being connected or skidding to reach torque protection; namely make the output torque of transmission gear to order about and drive potentiometric axis of rotation, to reach the object of torque protection.Making the present invention have high reliability, the available protecting actuating unit of seat.
Accompanying drawing explanation
Accompanying drawing 1 is the catenation principle schematic diagram of actuating unit in the embodiment of the present invention
Accompanying drawing 2 is the perspective view of the embodiment of the present invention;
Accompanying drawing 3 is the main TV structure schematic diagram of the embodiment of the present invention;
Accompanying drawing 4 is the right TV structure schematic diagram of the embodiment of the present invention;
Accompanying drawing 5 is A-A place cross-sectional schematic in Fig. 4;
Accompanying drawing 6 is the generalized section that the present invention second implements state;
Accompanying drawing 7 is the generalized section that the present invention the 3rd implements state.
In above accompanying drawing: 1. motor; 2. drive spindle; 3. gear case; 4. transmission gear; 5. magnetic clutch gear; 6. magnetic clutch driving wheel; 7. potentiometer; 8. the first permanent magnets; 9. rotating shaft; 10. the second permanent magnets; 11. locating racks; 12. positioning grooves; 13. locating pieces; 14. axis bodies.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in accompanying drawing 1, the guarded by location structure of actuating unit in a kind of seat, described actuating unit also comprises frame, motor 1 and drive spindle 2; Described motor 1 is fixedly arranged on the gear case 3 in described frame relatively, and drives the action of described drive spindle 2; Described drive spindle 2 relatively rotates and is connected on described gear case 3, and this drive spindle 2 is connected with a part (as back support, thigh support portion, foot support portion etc.) in seat, carries out rotary movement in order to drive this position; Described drive spindle 2 also links and arranges this guarded by location structure of a guarded by location structure in order to control the end position of drive spindle 2 action, and then avoids being damaged because crossing displacement by controlling position of seat.(this Fig. 1 is only a signal use, with subsequent view without direct corresponding relation)
As Fig. 2 ~ 5, described guarded by location structure comprises transmission gear 4, magnetic clutch gear 5, magnetic clutch driving wheel 6 and potentiometer 7(or coder); Wherein,
Described transmission gear 4 relatively described gear case 3 rotational positioning, and link with described drive spindle 2 and arrange, this transmission gear 4 also engages with described magnetic clutch gear 5 simultaneously;
Described magnetic clutch gear 5 relatively described gear case 3 rotational positioning, the wheel body of this magnetic clutch gear 5 is embedded with multiple first permanent magnets 8, each described first permanent magnets 8 is between the wheel body center and the gear teeth of magnetic clutch gear 5, and equidistantly arrange along the circumference of the center of turn of magnetic clutch gear 5, and each first permanent magnets 8 is identical to the distance of magnetic clutch gear 5 center of turn, and on described magnetic clutch gear 5, the magnetic pole of adjacent two first permanent magnets 8 is contrary;
Described magnetic clutch driving wheel 6 is fixedly arranged in a rotating shaft 9 of described potentiometer 7, and the center of turn of this magnetic clutch driving wheel 6 is positioned on the axis of described rotating shaft 9, forms and the rotating shaft 9 of described potentiometer 7 can be driven when described magnetic clutch driving wheel 6 rotates to rotate in the lump; And described magnetic clutch driving wheel 6 laminating is arranged on described magnetic clutch gear 5, the first permanent magnets 8 on the wheel body of magnetic clutch driving wheel 6 in corresponding described magnetic clutch gear 5 is embedded with multiple second permanent magnets 10, each described second permanent magnets 10 is between the wheel body center and the gear teeth of magnetic clutch driving wheel 6, and equidistantly arrange along the circumference of the center of turn of magnetic clutch driving wheel 6, and each second permanent magnets 10 is identical to the distance of magnetic clutch driving wheel 6 center of turn, and on described magnetic clutch driving wheel 6, the magnetic pole of adjacent two second permanent magnets 10 is contrary.Keep described magnetic clutch gear 5 and described magnetic clutch driving wheel 6 to fit by the magnetic attraction between each described first permanent magnets 8 and each described second permanent magnets 10 to locate.Design whereby; when described drive spindle 2 arrives restraining position; namely when transmission torsion is greater than the magnetic attraction between the first permanent magnets 8 and the second permanent magnets 10; the absorption broken away from magnetic clutch driving wheel 6 is rotated further by described magnetic clutch gear 5; cause each first permanent magnets 8 pivot offset; described magnetic clutch gear 5 can repel and skid because the first permanent magnets 8 of adjacent position of staggering be identical with the magnetic pole of the second permanent magnets with described magnetic clutch driving wheel 6; and then the rotating shaft 9 of described potentiometer 7 cannot be rotated further, to reach the object of torque protection.
Described potentiometer 7 is fixed on described gear case 3 by a locating rack 11.
Wherein, described first permanent magnets 8 or the second permanent magnets 10 quantity more, described magnetic clutch gear 5 is then more reliable with the connection of described magnetic clutch driving wheel 6, even if both relative positions skid because transmission torsion is greater than magnetic attraction, after the location restore of described drive spindle 2, both also can adsorb laminating location at once again.
Wherein, both are also located in rotation direction by a location structure with described magnetic clutch driving wheel 6 by described magnetic clutch gear 5, so as to the stability that both raisings connect.As shown in Figure 4, described location structure can be made up of recessed positioning groove 12 on the end face of described magnetic clutch gear 5 and the locating piece 13 be convexly equipped on the end face of described magnetic clutch driving wheel 6.Or as shown in Figure 6, also described positioning groove 12 can be located on described magnetic clutch driving wheel 6, and described locating piece 13 is located on described magnetic clutch gear 5.
Wherein, as shown in Figure 7, described magnetic clutch gear 5 also by axis body 14 rotational positioning that its center of turn wears in described gear case 3, be used for improving that described magnetic clutch gear 5 is connected with gear case 3 is stable equally.
The guarded by location structure of actuating unit in a kind of seat of the present invention, transmitting torque is carried out mainly through using magnetic clutch gear and the magnetic part of this two panels band of magnetic clutch driving wheel, reach following effect with this: one, when restriction site internal tooth roller box moves, the output torque of transmission gear is delivered to potentiometer to be made it to move and the actual position feeding back actuating unit accurately; Two, when actuating unit arrives restraining position; namely when transmission torsion is greater than the first permanent magnets and the second permanent magnets magnetic attraction; magnetic clutch gear and magnetic clutch driving wheel can depart from the object being connected or skidding to reach torque protection; namely make the output torque of transmission gear to order about and drive potentiometric axis of rotation, to reach the object of torque protection.Making the present invention have high reliability, the available protecting actuating unit of seat.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. the guarded by location structure of actuating unit in seat, described actuating unit also comprises frame, motor (1) and drive spindle (2); It is characterized in that: described guarded by location structure comprises transmission gear (4), magnetic clutch gear (5), magnetic clutch driving wheel (6) and potentiometer (7) or coder; Wherein,
Described transmission gear (4) relatively described gantry rotation location, and link with described drive spindle (2) and arrange, this transmission gear (4) also engages with described magnetic clutch gear (5) simultaneously;
Described magnetic clutch gear (5) relatively described gantry rotation location, the wheel body of this magnetic clutch gear (5) is embedded with at least one first permanent magnets (8), and between this first permanent magnets (8) wheel body center of being positioned at magnetic clutch gear (5) and the gear teeth;
Described magnetic clutch driving wheel (6) is fixedly arranged in a rotating shaft (9) of described potentiometer (7) or coder, the center of turn of this magnetic clutch driving wheel (6) is positioned on the axis of described rotating shaft (9), forms and the rotating shaft (9) of described potentiometer (7) or coder can be driven to rotate in the lump when described magnetic clutch driving wheel (6) is rotated; And the laminating of described magnetic clutch transmission (6) wheel is arranged on the end face of described magnetic clutch gear (5), the first permanent magnets (8) on the wheel body of magnetic clutch driving wheel (6) in corresponding described magnetic clutch gear (5) is embedded with at least one second permanent magnets (10), keeps described magnetic clutch gear (5) and described magnetic clutch driving wheel (6) to fit locate by the magnetic attraction between described first permanent magnets (8) and described second permanent magnets (10);
Described potentiometer (7) or the relatively described frame of coder are fixed.
2. guarded by location structure according to claim 1, it is characterized in that: in described first permanent magnets (8) or described second permanent magnets (10), the quantity of at least one is more than or equal to two, each described first permanent magnets (8) or described second permanent magnets (10) equidistantly arrange along the circumference of the center of turn of set main body, and each first permanent magnets (8) or the second permanent magnets (10) identical to the distance at set body rotation center, and the magnetic pole of upper adjacent two first permanent magnets (8) of described magnetic clutch gear (5) is contrary, the magnetic pole of upper adjacent two second permanent magnets (10) of described magnetic clutch driving wheel (6) is contrary.
3. guarded by location structure according to claim 1, is characterized in that: both are also located in rotation direction by a location structure by described magnetic clutch gear (5) and described magnetic clutch driving wheel (6).
4. guarded by location structure according to claim 3, is characterized in that: described location structure is made up of recessed positioning groove (12) on the end face of described magnetic clutch gear (5) or the end face of described magnetic clutch driving wheel (6) and the locating piece (13) be convexly equipped on the end face of described magnetic clutch driving wheel (6) or the end face of described magnetic clutch gear (5).
5. guarded by location structure according to claim 1, is characterized in that: described magnetic clutch gear (5) by an axis body (14) rotational positioning that its center of turn wears in described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626200.2A CN105217041B (en) | 2015-09-28 | 2015-09-28 | The guarded by location structure of executing agency in a kind of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626200.2A CN105217041B (en) | 2015-09-28 | 2015-09-28 | The guarded by location structure of executing agency in a kind of seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105217041A true CN105217041A (en) | 2016-01-06 |
| CN105217041B CN105217041B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510626200.2A Active CN105217041B (en) | 2015-09-28 | 2015-09-28 | The guarded by location structure of executing agency in a kind of seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071769A (en) * | 2017-12-27 | 2018-05-25 | 湖南铁路科技职业技术学院 | Gear drive, gear box of high-speed train and bullet train |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3635511A (en) * | 1969-11-05 | 1972-01-18 | Cons Controls Corp | Latching assembly with magnetic locking |
| CN101407181A (en) * | 2007-08-13 | 2009-04-15 | 刘忠臣 | Crawler maglev vehicle and conveyor |
| CN201979254U (en) * | 2011-03-30 | 2011-09-21 | 李军 | Spot welding locking plier |
| CN202987508U (en) * | 2012-11-30 | 2013-06-12 | 湖北航宇嘉泰飞机设备有限公司 | Aero seat electronic entertainment device turning and containing mechanism |
| KR20150089970A (en) * | 2014-01-28 | 2015-08-05 | 박영찬 | Amphibious flying car |
-
2015
- 2015-09-28 CN CN201510626200.2A patent/CN105217041B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3635511A (en) * | 1969-11-05 | 1972-01-18 | Cons Controls Corp | Latching assembly with magnetic locking |
| CN101407181A (en) * | 2007-08-13 | 2009-04-15 | 刘忠臣 | Crawler maglev vehicle and conveyor |
| CN201979254U (en) * | 2011-03-30 | 2011-09-21 | 李军 | Spot welding locking plier |
| CN202987508U (en) * | 2012-11-30 | 2013-06-12 | 湖北航宇嘉泰飞机设备有限公司 | Aero seat electronic entertainment device turning and containing mechanism |
| KR20150089970A (en) * | 2014-01-28 | 2015-08-05 | 박영찬 | Amphibious flying car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071769A (en) * | 2017-12-27 | 2018-05-25 | 湖南铁路科技职业技术学院 | Gear drive, gear box of high-speed train and bullet train |
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| Publication number | Publication date |
|---|---|
| CN105217041B (en) | 2017-04-05 |
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