CN204398931U - Leg supports and lifts and rises mechanism assembly - Google Patents
Leg supports and lifts and rises mechanism assembly Download PDFInfo
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- CN204398931U CN204398931U CN201520056285.0U CN201520056285U CN204398931U CN 204398931 U CN204398931 U CN 204398931U CN 201520056285 U CN201520056285 U CN 201520056285U CN 204398931 U CN204398931 U CN 204398931U
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- gear
- holder housing
- mechanism assembly
- lifts
- screw mandrel
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Abstract
The utility model provides a kind of leg and supports and lifts and rise mechanism assembly, belongs to field of mechanical technique.It solve existing leg to support and lift and rise mechanism assembly and can only automatically regulate and inconvenient manual regulation problem.This leg supports and lifts and rises mechanism assembly, comprise motor, holder housing, the output shaft of motor is fixed with gear one, holder housing is axially fixed with screw mandrel, screw mandrel is fixed with gear two, holder housing is also provided with the transition gear that can move axially and transition gear can be in gear one and gear two and engages and released state, screw mandrel has been threaded driving nut, for non-self-lock-ing helicitic texture is connected between screw mandrel and described driving nut.This leg supports and lifts and rises mechanism assembly and have and automatically can regulate the advantage with manual regulation.
Description
Technical field
The utility model belongs to vehicle body fittings technical field, and relate to a kind of leg holder, particularly a kind of leg supports and lifts and rises mechanism assembly.
Background technology
The seat of current most of vehicle to be fixed and unadjustable due to the support scope of seating portion to human body, result in part passenger of imposing stature seating portion when taking and cannot provide comprehensive support to leg, thus best travelling comfort cannot be reached, finally cause passenger after taking for a long time, feel tired, for this situation, although part seat has started to increase leg holder function at present, but be mostly drawer-type structure, because mechanism itself is fairly simple, even if the thigh support provided occupant after leg holder stretches completely and travelling comfort are also very limited, and whole process needs occupant manually to operate in the use procedure of leg support mechanism, operating effort is difficult to control.
Disclosed in Chinese patent literature, (application number: 200,920,071 170.3), comprising a kind of adjusting mechanism for leg support of seat: external slide rail; Interior slide rail, is connected slidably with external slide rail; Out screw rod, has the first motion thread and the second motion thread; First transmission component, the first motion thread of its first end and out screw rod forms the first screw thread pair, the second end and interior slide rail pivot joint; And second transmission component, the second motion thread of its first end and out screw rod forms the second screw thread pair, the second end and external slide rail pivot joint; Wherein, the pitch of the first screw thread pair is greater than the pitch of the second screw thread pair.But this adjusting mechanism for leg support of seat is only rotated by driven by motor screw mandrel, realize the function regulated, be unsuitable for manual regulation, should under powering-off state, inconvenience regulates leg holder.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind of can automatically regulate to support and lift with the leg of manual regulation rise mechanism assembly.
The purpose of this utility model realizes by following technical proposal: leg supports and lifts and rises mechanism assembly, comprise motor, holder housing, the output shaft of described motor is fixed with gear one, described holder housing is axially fixed with screw mandrel, described screw mandrel is fixed with gear two, it is characterized in that, described holder housing is also provided with the transition gear that can move axially and described transition gear can be in described gear one and described gear two and engages and released state, described screw mandrel has been threaded driving nut, for non-self-lock-ing helicitic texture is connected between described screw mandrel and described driving nut.
Leg holder is hinged on the front end of seat.When mounted, be connected on the seat by holder housing, then be connected mutually driving nut one end with a pipe link, the other end of pipe link is connected mutually with the middle part of leg holder, and the translation of driving nut can drive leg holder to rotate around its hinge-point.When leg holder is rotated by needs, motor, by the transmission of gear one, transition gear, gear two, drives the rotation of screw mandrel, and drives leg holder to rotate by driving nut.When needing not being energized to regulate leg holder, drive transition gear axial translation, transition gear is made to be in gear one and gear two state be separated, owing to being non-self-lock-ing helicitic texture between screw mandrel and driving nut, promote leg holder and can make driving nut moving relative to screw mandrel, reaching can manual regulation, has and uses conveniently advantage, improve safety in utilization.
Supporting and lifting at above-mentioned leg rises in mechanism assembly, described holder housing is connected with disengaging shaft and described disengaging shaft can move along its axis, described transition gear is axially connected on described disengaging shaft, on described disengaging shaft, cover has spring, one end of described spring acts on described holder housing, and the other end of described spring acts on described disengaging shaft.Holder housing is arranged the disengaging shaft being used for the axial transition gear that is connected, be provided with spring between disengaging shaft and holder housing, when separation moves axially, there is good reset effect, there is the effect of buffering, improve the traveling comfort of use.
Supporting and lifting at above-mentioned leg rises in mechanism assembly, described holder housing is provided with unblock plectrum, one end of described unblock plectrum is hinged on described holder housing, the middle part of described disengaging shaft is provided with annular convex shoulder, the sidewall of described annular convex shoulder has blocking surface, and the side of described unblock plectrum can be resisted against on described blocking surface.When being departed from from blocking surface the side unlocking plectrum, now can move disengaging shaft, be resisted against on the blocking surface of annular convex shoulder by the side unlocking plectrum, there is reliable lock and easy to operate advantage.
Supporting and lifting at above-mentioned leg rises in mechanism assembly, and the sidewall of described driving nut is provided with the joint pin be symmetrical set, and described joint pin is axially arranged with connecting bore.The sidewall of driving nut is provided with joint pin, is convenient to driving nut and is connected with leg holder, have and connect conveniently advantage.
Supporting and lifting at above-mentioned leg rises in mechanism assembly, and one end of described gear two is coaxially provided with helical wheel one, and described holder housing is provided with potentiometer, and described potentiometric input end is fixed with the helical wheel two be meshed with described helical wheel one.Potentiometer is connected with control circuit, by arranging potentiometer, realizes the position memory to driving nut, and again during protruding leg holder, control circuit can control electric machine rotation makes driving nut to memory area, has easy to use and comfortable advantage.
Compared with prior art, this leg supports and lifts and rises mechanism assembly and have the following advantages:
1, drive the moving axially of transition gear by disengaging shaft, the engagement realizing transition gear and gear one and gear two be separated, this leg is supported and lifted rise mechanism assembly automatically to regulate and manual regulation, has easy to use and use safer advantage;
2, be provided with spring between disengaging shaft and holder housing, when separation moves axially, there is good reset effect;
3, the side by unlocking plectrum is resisted against on the blocking surface of annular convex shoulder, has reliable lock and easy to operate advantage.
Accompanying drawing explanation
Fig. 1 is that this leg supports and lifts the schematic perspective view rising mechanism assembly.
Fig. 2 is the schematic diagram after the partial shell of the holder housing of this assembly is hidden.
Fig. 3 is that this leg supports and lifts the front view schematic diagram rising mechanism assembly.
Fig. 4 is the A-A cross-sectional schematic of Fig. 3.
In figure, 1, motor; 2, holder housing; 3, gear one; 4, screw mandrel; 5, gear two; 6, driving nut; 6a, joint pin; 7, transition gear; 8, disengaging shaft; 8a, annular convex shoulder; 8b, blocking surface; 9, spring; 10, plectrum is unlocked; 11, helical wheel one; 12, helical wheel two; 13, potentiometer.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 4, leg supports and lifts and rises mechanism assembly, comprises motor 1, has the holder housing 2 of cavity, the output shaft of motor 1 is fixed with gear 1, holder housing 2 is axially fixed with screw mandrel 4, screw mandrel 4 is fixed with gear 25.Holder housing 2 is connected with disengaging shaft 8, disengaging shaft 8 can move along its axis, and disengaging shaft 8 is axially fixed with transition gear 7.When disengaging shaft 8 moves axially, transition gear 7 can be in described gear 1 and gear 25 and engage and released state.Holder housing 2 is provided with and unlocks plectrum 10, the one end unlocking plectrum 10 is hinged on holder housing 2, the middle part of disengaging shaft 8 is provided with annular convex shoulder 8a, and the sidewall of annular convex shoulder 8a has blocking surface 8b, and the side unlocking plectrum 10 can be resisted against on described blocking surface 8b.On disengaging shaft 8, cover has spring 9, and one end of spring 9 acts on holder housing 2, and the other end of spring 9 acts on annular convex shoulder 8a.Screw mandrel 4 has been threaded driving nut 6, and the sidewall of driving nut 6 is provided with the joint pin 6a be symmetrical set, and joint pin 6a is axially arranged with connecting bore, is convenient to driving nut 6 and is connected with leg holder, have and connect conveniently advantage.
One end of gear 25 is coaxially provided with helical wheel 1, and holder housing 2 is provided with potentiometer 13, and the input end of potentiometer 13 is fixed with the helical wheel 2 12 be meshed with helical wheel 1.Potentiometer 13 is connected with control circuit, by arranging potentiometer 13, realizes the position memory to driving nut 6, and again during protruding leg holder, control circuit can control motor 1 rotation and make driving nut 6 to memory area, has easy to use and comfortable advantage.
Leg holder is hinged on the front end of seat.When mounted, be connected on the seat by holder housing 2, then be connected mutually driving nut 6 one end with a pipe link, the other end of pipe link is connected mutually with the middle part of leg holder, and the translation of driving nut 6 can drive leg holder to rotate around its hinge-point.When leg holder is prolonged rotation by needs, motor 1, by the transmission of gear 1, transition gear 7, gear 25, drives the rotation of screw mandrel 4, and drives leg holder to rotate by driving nut 6.
When needing not being energized to regulate leg holder, pull and unlock plectrum 10, when the side unlocking plectrum 10 is departed from from blocking surface 8b, now move disengaging shaft 8 and drive transition gear 7 axial translation, transition gear 7 is made to be in gear 1 and gear 25 state be separated, owing to being non-self-lock-ing helicitic texture between screw mandrel 4 and driving nut 6, leg holder should be promoted and can make driving nut 6 rotating relative to screw mandrel 4, reaching can manual regulation, have and use conveniently advantage, improve safety in utilization.Holder housing 2 is arranged the disengaging shaft 8 being used for the axial transition gear 7 that is connected, between disengaging shaft 8 and holder housing 2, be provided with spring 9, at disengaging shaft 8 to time mobile, there is good reset effect, there is the effect of buffering, improve the traveling comfort of use.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ motor 1, holder housing 2, gear 1, screw mandrel 4, gear 25, driving nut 6, joint pin 6a, transition gear 7, disengaging shaft 8, annular convex shoulder 8a, blocking surface 8b, spring 9 herein, unlock the terms such as plectrum 10, helical wheel 1, helical wheel 2 12, potentiometer 13, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. leg supports and lifts and rises mechanism assembly, comprise motor (1), holder housing (2), the output shaft of described motor (1) is fixed with gear one (3), described holder housing (2) is upper is axially fixed with screw mandrel (4), described screw mandrel (4) is fixed with gear two (5), it is characterized in that, described holder housing (2) is also provided with the transition gear (7) that can move axially and described transition gear (7) can be in described gear one (3) and described gear two (5) and engages and released state, described screw mandrel (4) has been threaded driving nut (6), described screw mandrel (4) with between described driving nut (6) for non-self-lock-ing helicitic texture is connected.
2. leg according to claim 1 supports and lifts and rises mechanism assembly, it is characterized in that, described holder housing (2) is connected with disengaging shaft (8) and described disengaging shaft (8) can move along its axis, described transition gear (7) is axially connected on described disengaging shaft (8), the upper cover of described disengaging shaft (8) has spring (9), one end of described spring (9) acts on described holder housing (2), and the other end of described spring (9) acts on described disengaging shaft (8).
3. leg according to claim 2 supports and lifts and rises mechanism assembly, it is characterized in that, described holder housing (2) is provided with and unlocks plectrum (10), one end of described unblock plectrum (10) is hinged on described holder housing (2), the middle part of described disengaging shaft (8) is provided with annular convex shoulder (8a), the sidewall of described annular convex shoulder (8a) has blocking surface (8b), and the side of described unblock plectrum (10) can be resisted against on described blocking surface (8b).
4. the leg according to claim 1 or 2 or 3 supports and lifts and rises mechanism assembly, it is characterized in that, the sidewall of described driving nut (6) is provided with the joint pin (6a) be symmetrical set, and described joint pin (6a) is axially arranged with connecting bore.
5. the leg according to claim 1 or 2 or 3 supports and lifts and rises mechanism assembly, it is characterized in that, one end of described gear two (5) is coaxially provided with helical wheel one (11), described holder housing (2) is provided with potentiometer (13), and the input end of described potentiometer (13) is fixed with the helical wheel two (12) be meshed with described helical wheel one (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056285.0U CN204398931U (en) | 2015-01-27 | 2015-01-27 | Leg supports and lifts and rises mechanism assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056285.0U CN204398931U (en) | 2015-01-27 | 2015-01-27 | Leg supports and lifts and rises mechanism assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204398931U true CN204398931U (en) | 2015-06-17 |
Family
ID=53422818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520056285.0U Expired - Fee Related CN204398931U (en) | 2015-01-27 | 2015-01-27 | Leg supports and lifts and rises mechanism assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204398931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479124A (en) * | 2021-08-05 | 2021-10-08 | 诺创汽车科技(上海)有限公司 | Seat assembly and vehicle |
| CN113561857A (en) * | 2021-08-05 | 2021-10-29 | 诺创汽车科技(上海)有限公司 | Propulsion mechanism and vehicle seat |
-
2015
- 2015-01-27 CN CN201520056285.0U patent/CN204398931U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479124A (en) * | 2021-08-05 | 2021-10-08 | 诺创汽车科技(上海)有限公司 | Seat assembly and vehicle |
| CN113561857A (en) * | 2021-08-05 | 2021-10-29 | 诺创汽车科技(上海)有限公司 | Propulsion mechanism and vehicle seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150617 Termination date: 20180127 |