CN104533218A - Motor for window lifter - Google Patents
Motor for window lifter Download PDFInfo
- Publication number
- CN104533218A CN104533218A CN201410714151.3A CN201410714151A CN104533218A CN 104533218 A CN104533218 A CN 104533218A CN 201410714151 A CN201410714151 A CN 201410714151A CN 104533218 A CN104533218 A CN 104533218A
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- rollers
- slide rail
- extrusion element
- live
- motor
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Abstract
The invention discloses a motor structure for a window lifter. The motor structure for the window lifter comprises a motor, a worm and a turbine; a rotating roller is arranged at one end of the worm. The motor structure for the window lifter further comprises a sleeve in which the rotating roller is positioned; at least one group of extruding element is arranged in the sleeve and propped to the rotating roller; a groove for storing the extruding element is formed in the sleeve; a slide rail is arranged in the groove; the extruding element is glidingly arranged to the slide rail; an elastic part for propping the extruding element is arranged on the slide rail; an electromagnet is arranged on the D1 end of the slide rail. According to the motor structure for the window lifter, the frictional force between the extruding element and the rotating roller can be instantaneously increased while a relatively large weight is applied to the upper end of the window and the worm reversely moves, and thus the self-locking force of the turbine and the worm can be compensated; in addition, the extruding element is attracted by an electromagnet to reach the part in which the extruding element does not contact with the rotating roller when the window is lifted normally, and then the frictional force to the rotating roller is not increased by the extruding element, and as a result, the maximum transmission efficiency can be achieved when the motor runs normally.
Description
Technical field
The present invention relates to machine field, more specifically, relate to a kind of motor used on automobile lifter.
Background technology
Cable pulley type lifter dynamo of autocar glass comprises motor body, the output shaft connecting worm of motor body, and worm screw engages with a turbine, drives turbine rotation thus make turbine winding cable realize the lifting of automotive window by worm screw.
Owing to requiring that vehicle window can be spacing in window optional position, therefore require that turbine and worm screw have very large self-locking dynamics, now must not increase whole worm screw lead angle and number of threads to improve its self-locking dynamics.But the transmission efficiency of whole turbine and worm system must be caused on the low side while the whole worm screw lead angle of increase and number of threads.In addition increase whole worm screw lead angle and number of threads also easily cause turbine and worm screw coordinate between friction factor increase, therefore frictional dissipation is large, efficiency is low.On the other hand, relative sliding velocity ambassador tooth surface abrasion is serious, heating is serious, and in order to dispel the heat and reduce wearing and tearing, normal employing price antifriction quality costly and the good material of wear resistence and good lubricating arrangement, therefore make cost increase.
Summary of the invention
For the deficiencies in the prior art, the invention provides window regulator motor.
The present invention is achieved through the following technical solutions: window regulator motor, comprise motor, by motor-driven worm screw and the turbine with described worm engaging, one end of described worm screw is provided with live-rollers, also comprise sleeve, described live-rollers is positioned at described sleeve, at least one group of extrusion element is provided with in described sleeve, described extrusion element leans described live-rollers, described sleeve is provided with the groove holding described extrusion element, slide rail is provided with in this groove, described extrusion element slides and is arranged at described slide rail, described slide rail is provided with the elastic component leaning described extrusion element, the distance that described slide rail rotates backward between one end D1 to other end D2 in direction and described extrusion element surface along described live-rollers is close gradually, electromagnet is provided with on described slide rail D1 holds, when described motor is opened, described electromagnet energising.
In technique scheme, the two ends of described motor lead to the first output shaft and the second output shaft respectively, described first output shaft connects described worm screw, the inwall of described sleeve is provided with the first ball, described live-rollers side is provided with the first ball base with described first ball engagement, the side of described second output shaft is provided with the second ball, and described second output shaft side is provided with the second ball base with described second ball engagement.
In technique scheme, described extrusion element surface is provided with abrasive rubber.
The present invention has following beneficial effect: when the present invention makes worm screw move in the other direction by larger gravity suddenly in vehicle window upper end, (when namely making glass decline), between extrusion element and live-rollers, pressure increases gradually, namely between extrusion element and live-rollers, frictional force increases at once, for compensating the self-locking dynamics of turbine and worm screw, and when vehicle window is normally elevated, electromagnet attracts extrusion element not contact live-rollers position to extrusion element, now extrusion element does not increase the frictional force to live-rollers, thus make when motor normally runs, the highest transmission efficiency can be had.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional view along Fig. 1 place A-A line.
Fig. 3 is the partial enlarged drawing at B place in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail: see Fig. 1 to Fig. 3, window regulator motor, comprise motor 1, the two ends of described motor 1 lead to the first output shaft 10 and the second output shaft 11 respectively, described first output shaft 10 connects a worm screw 2, also comprise the turbine 3 engaged with described worm screw 2, one end of described worm screw 2 is provided with live-rollers 44, also comprise sleeve 4, described live-rollers 44 is positioned at described sleeve 4, at least one group of extrusion element 40 is provided with in described sleeve 4, described extrusion element 40 leans described live-rollers 44, described sleeve 4 is provided with the groove 42 holding described extrusion element 40, slide rail 41 is provided with in this groove 42, described extrusion element 40 slides and is arranged at described slide rail 41, described slide rail 41 is provided with the elastic component 43 leaning described extrusion element 40, the distance that described slide rail 41 rotates backward between one end D1 to other end D2 in direction and described extrusion element 40 surface along described live-rollers 44 is close gradually.
Described slide rail 41 has two ends D1 and D2 along the described counter-rotational direction of live-rollers 44, wherein close gradually along the distance between D1 to D2 direction slide rail and live-rollers 44 surface, and when extrusion element 40 is positioned at D1 position, do not contact between extrusion element 40 and live-rollers 44, ensure that the frictional force when live-rollers 44 rotates forward between extrusion element 40 and live-rollers 44 reduces as far as possible.When described extrusion element 40 is positioned at D2 position, between extrusion element 40 and described live-rollers 44, frictional force reaches maximum, generally when vehicle window is positioned at sash position stopping, extrusion element 40 is leaned close to D2 position (not completely arrive in D2 position) by it under the effect of elastic component 43, the self-locking dynamics of turbine and worm screw is now compensated by the frictional force between extrusion element 40 and live-rollers 44, if vehicle window is subject to suddenly active force more downward, make that direction occurs between turbine and worm screw to rotate, then between extrusion element 40 and live-rollers 44, frictional force increases further, self-locking dynamics is increased at once having a moment of rotating very by a small margin at live-rollers 44, prevent the generation of backwards rotation.
Described extrusion element 40 surface being provided with abrasive rubber, for improving the abrasion resistance of extrusion element 40, and making can produce relative frictional force between extrusion element 40 and live-rollers 44.
The inwall of described sleeve 4 is provided with the first ball 5, described live-rollers 44 side is provided with the first ball base 6 coordinated with described first ball 5, first ball 5 is arranged in the first ball base 6, the side of described second output shaft 11 is provided with the second ball 8, described second output shaft 11 side is provided with the second ball base 9, second ball 8 coordinated with described second ball 8 and is arranged in the second ball base 9.Said structure makes worm screw 2 be limited between the first ball 5 and the second ball 8, when worm screw 2 axially loaded, due to the position-limiting action between its two ends first ball 5 and second ball 8, worm screw 2 is difficult to axial dipole field occurs, and the cooperation of ball and ball base is rotated for 2 and is not produced interference, additionally can not increase the frictional force of worm screw 2 when rotating.
On described slide rail D1 holds, be provided with electromagnet 46, when described motor 1 is opened, described electromagnet 46 is energized, and makes electromagnet 46 that extrusion element 40 is attracted to D1 position, does not now contact between live-rollers 44 and extrusion element 40.Namely, when Electric Machine Control glass is elevated, extrusion element 44 does not affect the transmission efficiency between turbine and worm screw, only when a machine is not running, and the Contact of extrusion element 40 and live-rollers 44 thus the self-locking dynamics of supplementing between turbine and worm.
Claims (3)
1. window regulator electric machine structure, comprise motor (1), the worm screw (2) driven by motor (1) and the turbine (3) engaged with described worm screw (2), it is characterized in that: one end of described worm screw (2) is provided with live-rollers (44), also comprise sleeve (4), described live-rollers (44) is positioned at described sleeve (4), at least one group of extrusion element (40) is provided with in described sleeve (4), described extrusion element (40) leans described live-rollers (44), described sleeve (4) is provided with the groove (42) holding described extrusion element (40), slide rail (41) is provided with in this groove (42), described extrusion element (40) slides and is arranged at described slide rail (41), described slide rail (41) is provided with the elastic component (43) leaning described extrusion element (40), the distance that described slide rail (41) rotates backward between one end D1 to other end D2 in direction and described extrusion element (40) surface along described live-rollers (44) is close gradually, electromagnet (46) is provided with on described slide rail D1 holds, when described motor (1) is opened, described electromagnet (46) is energized, electromagnet (46) is made to attract described live-rollers (44).
2. window regulator electric machine structure as claimed in claim 1, it is characterized in that: the two ends of described motor (1) lead to the first output shaft (10) and the second output shaft (11) respectively, described first output shaft (10) connects described worm screw (2), the inwall of described sleeve (4) is provided with the first ball (5), described live-rollers (44) side is provided with the first ball base (6) coordinated with described first ball (5), the side of described second output shaft (11) is provided with the second ball (8), described second output shaft (11) side is provided with the second ball base (9) coordinated with described second ball (8).
3. window regulator electric machine structure as claimed in claim 1, is characterized in that: described extrusion element (40) surface is provided with abrasive rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714151.3A CN104533218B (en) | 2014-12-02 | 2014-12-02 | Window regulator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714151.3A CN104533218B (en) | 2014-12-02 | 2014-12-02 | Window regulator motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533218A true CN104533218A (en) | 2015-04-22 |
| CN104533218B CN104533218B (en) | 2016-09-07 |
Family
ID=52848823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714151.3A Active CN104533218B (en) | 2014-12-02 | 2014-12-02 | Window regulator motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533218B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014417A (en) * | 2015-08-10 | 2015-11-04 | 四川南格尔生物科技有限公司 | Spin locking device |
| CN112757348A (en) * | 2021-01-21 | 2021-05-07 | 北京字节跳动网络技术有限公司 | Power-off self-locking device and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2871960Y (en) * | 2005-10-31 | 2007-02-21 | 宝钢集团上海第一钢铁有限公司 | One-way moment rotary wheel |
| CN2884668Y (en) * | 2005-12-01 | 2007-03-28 | 罗锦发 | Lifter dynamo of autocar glass |
| CN2937633Y (en) * | 2006-05-26 | 2007-08-22 | 马玉山 | One-way clutch |
| KR20070095103A (en) * | 2006-03-20 | 2007-09-28 | 한라공조주식회사 | Power transmit device |
| CN201401494Y (en) * | 2009-04-09 | 2010-02-10 | 李志敏 | Automobile generator one-way belt pulley |
| CN101832349A (en) * | 2009-03-13 | 2010-09-15 | 陈伯恒 | Roller type mechanical brake |
-
2014
- 2014-12-02 CN CN201410714151.3A patent/CN104533218B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2871960Y (en) * | 2005-10-31 | 2007-02-21 | 宝钢集团上海第一钢铁有限公司 | One-way moment rotary wheel |
| CN2884668Y (en) * | 2005-12-01 | 2007-03-28 | 罗锦发 | Lifter dynamo of autocar glass |
| KR20070095103A (en) * | 2006-03-20 | 2007-09-28 | 한라공조주식회사 | Power transmit device |
| CN2937633Y (en) * | 2006-05-26 | 2007-08-22 | 马玉山 | One-way clutch |
| CN101832349A (en) * | 2009-03-13 | 2010-09-15 | 陈伯恒 | Roller type mechanical brake |
| CN201401494Y (en) * | 2009-04-09 | 2010-02-10 | 李志敏 | Automobile generator one-way belt pulley |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014417A (en) * | 2015-08-10 | 2015-11-04 | 四川南格尔生物科技有限公司 | Spin locking device |
| CN105014417B (en) * | 2015-08-10 | 2017-10-03 | 四川南格尔生物科技有限公司 | Spin locking device |
| CN112757348A (en) * | 2021-01-21 | 2021-05-07 | 北京字节跳动网络技术有限公司 | Power-off self-locking device and equipment |
| WO2022156470A1 (en) * | 2021-01-21 | 2022-07-28 | 北京字节跳动网络技术有限公司 | Power-off self-locking apparatus and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533218B (en) | 2016-09-07 |
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