CN101764462A - Elastic buffer thrust end at top end of micro-motor rotor worm shaft - Google Patents
Elastic buffer thrust end at top end of micro-motor rotor worm shaft Download PDFInfo
- Publication number
- CN101764462A CN101764462A CN201010121051A CN201010121051A CN101764462A CN 101764462 A CN101764462 A CN 101764462A CN 201010121051 A CN201010121051 A CN 201010121051A CN 201010121051 A CN201010121051 A CN 201010121051A CN 101764462 A CN101764462 A CN 101764462A
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- flexible terminal
- worm shaft
- catch
- micro
- reduction box
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an elastic buffer thrust end at top end of micro-motor rotor worm shaft, which includes an elastic terminal (1), and a sliding pad (2). The invention adopts the technical scheme of arranging the elastic terminal consisting of a rubber pad and a gasket as well as an elastic buffer thrust end consisting of polyether-ether-ketone plastic antifriction block at the supporting part of a reduction box shell at the top end of a worm shaft, which overcomes the problems and defects of easy impact and abrasion, and short service life of the thrust end in the prior art. The elastic buffer thrust end at top end of micro-motor rotor worm shaft provided by the invention leads the axial thrust end of a micro-motor rotor shaft to reach the purposes of avoiding impact and abrasion, and improving the service life through the buffer absorption effect of the elastic terminal.
Description
Technical field
The present invention relates to a kind of axial thrust termination of micro-motor rotor axle, specifically be meant the rotor worm shaft top of motors such as being used in automobile glass lifter, skylight, wiper, the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft top of the axial thrust of supporting rotor worm shaft and control axial endplay.
Background technology
When the micro-motor rotor worm shaft that automobile is used drives worm gear work in rotation, can produce stronger axial thrust, especially in the moment of startup and end of travel, worm shaft can produce stronger axial impact to the termination; The termination is the micro-motor rotor worm shaft top that is assemblied in the electrical micro-machine assembly, the bearing of the axial thrust of supporting rotor worm shaft and restrictive axial play, claim end face bearing or axial thrust bearing again, prior art is respectively to inlay a hard steel ball at two ends of micro-motor rotor axle, comes the axial thrust and the restrictive axial play of supporting rotor axle with the axle mortar that is fixed in motor back cover and the reduction box housing; Because steel ball contacts with axle mortar rigidity, so when rotor worm shaft starts, rigid impact is stronger, for a long time it, its service life is not long because of the repeated stock wearing and tearing, makes whole electrical micro-machine assembly aggravate to scrap because of the axial endplay of armature spindle eventually, therefore, effect is not hit because of there being buffering in the steel ball axle mortar supporting termination of prior art, exists easily by impact wear, the short problems and shortcomings of service life.
Summary of the invention
Problems and shortcomings at the prior art existence, the present invention takes supporting place at the reduction box housing on worm shaft top, the technical scheme of the elastic buffer thrust termination that flexible terminal that setting is made of rubber blanket and catch and anti-attrition piece are formed, the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft top is provided, be intended to buffering absorption by flexible terminal, make the axial thrust termination of micro-motor rotor axle, reach the purpose of avoiding impact wear, improving service life.
The object of the present invention is achieved like this: the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft top, comprise flexible terminal, skidding composition, wherein: described flexible terminal, top is the columniform rubber blanket of 80 ° of shore hardnesses, and the bottom is concentric column step one body component of diameter greater than the cylinder thin slice shape steel catch formation of rubber blanket diameter; The two be connected of the rubber blanket on flexible terminal top and the catch of bottom is to connect moulding by Kai Muluoke 205 gold size adhesives and inserts mould through sulfuration; Described anti-attrition piece is to be made up-small and down-big concentric column step parts by poly ether ether ketone plastic.
Each parts rigging position and annexation
Interference fit embeds the radially copper bearing of the supporting stepped counterbore internal chamber wall that is provided with in the reduction box housing, hold up the lower surface of flexible terminal, the flexible terminal activity is cooperated in the reduction box housing stepped counterbore of packing into, wherein, the inwall of the cylinder of the rubber blanket on flexible terminal top and reduction box housing stepped counterbore leaves 0.3～0.5 millimeter fit clearance, the top of rubber blanket contacts with the upper bottom surface of reduction box housing stepped counterbore, the step end face of the top bar end face and the reduction box housing stepped counterbore of the catch of flexible terminal bottom is 0.5～0.6 millimeter compression clearance at interval, the lower surface frame of the catch of flexible terminal bottom is on the upper edge end face of copper bearing radially, the anti-attrition piece is slidingly matched and places the radially inner chamber of copper bearing, the upper surface of anti-attrition piece contacts with the lower surface of flexible terminal bottom catch, the lower surface of anti-attrition piece contacts with the upper surface of inserting the worm shaft the copper bearing cavity radially that is slidingly matched from the lower end of copper bearing radially, is added with lubricating grease in the end face of contact up and down of the inner chamber of copper bearing radially and anti-attrition piece.
Operation principle
During work, the micro-motor rotor worm shaft rotation drives the worm gear rotation,
The moment of startup and end of travel, because the elastic buffer effect of the rubber blanket of flexible terminal, the axial impact force buffering of the worm shaft end face being impacted anti-attrition piece, flexible terminal catch absorbs;
In the continuous firing, the catch of anti-attrition piece, flexible terminal is under the effect of the axial thrust that continues that worm shaft produced, the compressing rubber pad, compression clearance between the step end face of the top bar end face and the reduction box housing stepped counterbore of catch, because of being compressed, rubber blanket disappears, the end face of topping bar of catch contacts with the step end face of reduction box housing stepped counterbore, is supported the axial thrust and the axial endplay that limits worm shaft of worm shaft by the step end face of reduction box housing stepped counterbore;
After electrical micro-machine stopped, the axial thrust of worm shaft disappeared, and under the flexible effect of the rubber blanket of flexible terminal, the catch of flexible terminal promotes the anti-attrition piece, worm shaft resets;
The effect of anti-attrition piece is, utilize polyether-ether-ketone engineering plastics and the little characteristic of the steel interface coefficient of sliding friction, can bear the face way of contact of larger axis to thrust, liner reduces sliding-frictional resistance and wearing and tearing between worm shaft and the flexible terminal to greatest extent between the catch of worm shaft and flexible terminal.
Above-mentioned, the present invention takes supporting place at the reduction box housing on worm shaft top, the technical scheme of the elastic buffer thrust termination that flexible terminal that setting is made of rubber blanket and catch and poly ether ether ketone plastic anti-attrition piece are formed, the thrust termination that has overcome prior art exists easily by impact wear, the problems and shortcomings that service life is short, the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft top that is provided, buffering absorption by flexible terminal, make the axial thrust termination of micro-motor rotor axle, reached and avoided impact wear, improve the purpose of service life.
Description of drawings
Fig. 1 is the parts of the elastic buffer thrust termination on micro-motor rotor worm shaft of the present invention top, the structural representation of flexible terminal;
Fig. 2 is the parts of the elastic buffer thrust termination on micro-motor rotor worm shaft of the present invention top, the structural representation of skidding;
Fig. 3 is the elastic buffer thrust termination on micro-motor rotor worm shaft of the present invention top, be arranged in the reduction box housing the position and with the schematic diagram of each parts matching relationship;
Fig. 4 be among Fig. 3 A portion draw enlarged drawing.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: flexible terminal 1, rubber blanket 11, catch 12, anti-attrition piece 2, radially copper bearing 01, worm shaft 02, reduction box housing 03, compression clearance 04.
Embodiment
Consult Fig. 1～Fig. 4, the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft of the present invention top, comprise flexible terminal 1, skidding 2 compositions, wherein: described flexible terminal 1, top is the columniform rubber blanket 11 of 80 ° of shore hardnesses, and the bottom is concentric column step one body component of diameter greater than cylinder thin slice shape steel catch 12 formations of rubber blanket 11 diameters; The two be connected of the rubber blanket 11 on flexible terminal top and the catch of bottom 12 is to connect moulding by Kai Muluoke 205 gold size adhesives and inserts mould through sulfuration; Described anti-attrition piece 2 is to be made up-small and down-big concentric column step parts by poly ether ether ketone plastic.
Each parts rigging position and annexation
Interference fit embeds the radially copper bearing 01 of the supporting stepped counterbore internal chamber wall that is provided with in the reduction box housing 03, hold up the lower surface of flexible terminal 1, with 1 movable the cooperation in reduction box housing 03 stepped counterbore of packing into of flexible terminal, wherein, the inwall of the cylinder of the rubber blanket 11 on flexible terminal 1 top and reduction box housing 03 stepped counterbore leaves 0.3～0.5 millimeter fit clearance, the top of rubber blanket 11 contacts with the upper bottom surface of reduction box housing 03 stepped counterbore, the step end face of the top bar end face and reduction box housing 03 stepped counterbore of the catch 12 of flexible terminal bottom is 0.5～0.6 millimeter compression clearance 04 at interval, the lower surface frame of the catch 12 of flexible terminal bottom is on the upper edge end face of copper bearing 01 radially, anti-attrition piece 2 is slidingly matched and places the radially inner chamber of copper bearing 01, the upper surface of anti-attrition piece 2 contacts with the lower surface of flexible terminal bottom catch 12, the lower surface of anti-attrition piece 2 contacts with the upper surface of inserting the worm shaft 02 copper bearing 01 inner chamber radially that is slidingly matched from the lower end of copper bearing 01 radially, is added with lubricating grease in the end face of contact up and down of the inner chamber of copper bearing 01 radially and anti-attrition piece 2.
Operation principle
During work, the micro-motor rotor worm shaft rotation drives the worm gear rotation,
The moment of startup and end of travel, because the elastic buffer effect of the rubber blanket 11 of flexible terminal 1, the axial impact force buffering of worm shaft 02 end face being impacted anti-attrition piece 2, flexible terminal 1 catch 12 absorbs;
In the continuous firing, the catch 12 of anti-attrition piece 2, flexible terminal 1 is under the effect of the axial thrust that continues that worm shaft 02 is produced, compressing rubber pad 11, compression clearance 04 between the step end face of the top bar end face and reduction box housing 03 stepped counterbore of catch 12, because of being compressed, rubber blanket 11 disappears, the end face of topping bar of catch 12 contacts with the step end face of reduction box housing 03 stepped counterbore, is supported the axial thrust and the axial endplay that limits worm shaft 02 of worm shaft 02 by the step end face of reduction box housing 03 stepped counterbore;
After electrical micro-machine stopped, the axial thrust of worm shaft 02 disappeared, and under the rubber blanket 11 flexible effects of flexible terminal 1, the catch 12 of flexible terminal 1 promotes anti-attrition piece 2, worm shaft 02 resets;
The effect of anti-attrition piece 2 is, utilize polyether-ether-ketone engineering plastics and the little characteristic of the steel interface coefficient of sliding friction, can bear the face way of contact of larger axis to thrust, liner reduces sliding-frictional resistance and wearing and tearing between worm shaft 02 and the flexible terminal 1 to greatest extent between the catch 12 of worm shaft 02 and flexible terminal 1.
Claims (1)
1. the elastic buffer thrust termination on a micro-motor rotor worm shaft top, it is characterized in that: comprise flexible terminal (1), skidding (2) composition, wherein, described flexible terminal (1), top is the columniform rubber blanket (11) of 80 ° of shore hardnesses, and the bottom is concentric column step one body component of diameter greater than cylinder thin slice shape steel catch (12) formation of rubber blanket (11) diameter; The two be connected of the catch (12) of the rubber blanket on flexible terminal top (11) and bottom is to connect moulding by Kai Muluoke 205 gold size adhesives and inserts mould through sulfuration; Described anti-attrition piece (2) is to be made up-small and down-big concentric column step parts by poly ether ether ketone plastic;
Each parts rigging position and annexation are, interference fit embeds the radially copper bearing (01) of the supporting stepped counterbore internal chamber wall that is provided with in the reduction box housing (03), hold up the lower surface of flexible terminal (1), flexible terminal (1) activity is cooperated in reduction box housing (03) stepped counterbore of packing into, wherein, the inwall of the cylinder of the rubber blanket (11) on flexible terminal (1) top and reduction box housing (03) stepped counterbore leaves 0.3～0.5 millimeter fit clearance, the top of rubber blanket (11) contacts with the upper bottom surface of reduction box housing (03) stepped counterbore, the step end face of the top bar end face and reduction box housing (03) stepped counterbore of the catch of flexible terminal bottom (12) is 0.5～0.6 millimeter compression clearance (04) at interval, the lower surface frame of the catch of flexible terminal bottom (12) is on the upper edge end face of copper bearing (01) radially, anti-attrition piece (2) is slidingly matched and places the radially inner chamber of copper bearing (01), the upper surface of anti-attrition piece (2) contacts with the lower surface of flexible terminal bottom catch (12), the lower surface of anti-attrition piece (2) contacts with the upper surface of inserting the worm shaft (02) copper bearing (01) inner chamber radially that is slidingly matched from the lower end of copper bearing (01) radially, is added with lubricating grease in the end face of contact up and down of the inner chamber of copper bearing (01) radially and anti-attrition piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010121051A CN101764462A (en) | 2010-01-27 | 2010-01-27 | Elastic buffer thrust end at top end of micro-motor rotor worm shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010121051A CN101764462A (en) | 2010-01-27 | 2010-01-27 | Elastic buffer thrust end at top end of micro-motor rotor worm shaft |
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|---|---|
| CN101764462A true CN101764462A (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010121051A Pending CN101764462A (en) | 2010-01-27 | 2010-01-27 | Elastic buffer thrust end at top end of micro-motor rotor worm shaft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476610A (en) * | 2011-01-25 | 2013-12-25 | 法雷奥热***公司 | Actuator for a flap for opening and closing an air passage |
| CN104638830A (en) * | 2015-02-05 | 2015-05-20 | 上海胜华波汽车电器有限公司 | Motor assembly for lifting seat and vehicle seat containing motor assembly |
| CN105599643A (en) * | 2016-02-18 | 2016-05-25 | 上海胜华波汽车电器有限公司 | Novel high-strength motor mechanism for lifting seat |
| CN105978217A (en) * | 2016-04-25 | 2016-09-28 | 上海胜华波汽车电器有限公司 | High-strength motor assembly for raising seat |
| CN106840862A (en) * | 2017-01-24 | 2017-06-13 | 东南大学 | A kind of true triaxil tester termination assembling jig and fixture |
-
2010
- 2010-01-27 CN CN201010121051A patent/CN101764462A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476610A (en) * | 2011-01-25 | 2013-12-25 | 法雷奥热***公司 | Actuator for a flap for opening and closing an air passage |
| CN103476610B (en) * | 2011-01-25 | 2016-03-02 | 法雷奥热***公司 | For opening and closing the actuator of the limb of air by-pass passage |
| CN104638830A (en) * | 2015-02-05 | 2015-05-20 | 上海胜华波汽车电器有限公司 | Motor assembly for lifting seat and vehicle seat containing motor assembly |
| CN105599643A (en) * | 2016-02-18 | 2016-05-25 | 上海胜华波汽车电器有限公司 | Novel high-strength motor mechanism for lifting seat |
| CN105599643B (en) * | 2016-02-18 | 2018-11-06 | 上海胜华波汽车电器有限公司 | A kind of novel high-strength motor mechanism for raising seat |
| CN105978217A (en) * | 2016-04-25 | 2016-09-28 | 上海胜华波汽车电器有限公司 | High-strength motor assembly for raising seat |
| CN105978217B (en) * | 2016-04-25 | 2018-10-23 | 上海胜华波汽车电器有限公司 | A kind of high intensity electric machine assembly for raising seat |
| CN106840862A (en) * | 2017-01-24 | 2017-06-13 | 东南大学 | A kind of true triaxil tester termination assembling jig and fixture |
| CN106840862B (en) * | 2017-01-24 | 2019-06-25 | 东南大学 | A kind of true triaxil tester end assembling jig and fixture |
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Open date: 20100630 |