CN201699507U - Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor - Google Patents
Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor Download PDFInfo
- Publication number
- CN201699507U CN201699507U CN2010201175157U CN201020117515U CN201699507U CN 201699507 U CN201699507 U CN 201699507U CN 2010201175157 U CN2010201175157 U CN 2010201175157U CN 201020117515 U CN201020117515 U CN 201020117515U CN 201699507 U CN201699507 U CN 201699507U
- Authority
- CN
- China
- Prior art keywords
- flexible terminal
- worm shaft
- catch
- radially
- attrition piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003139 buffering effect Effects 0.000 title abstract description 9
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 230000009975 flexible effect Effects 0.000 claims description 49
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 235000019589 hardness Nutrition 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides an elastic buffering thrust end socket at the top end of a worm shaft of a micromotor rotor, which comprises an elastic terminal (1) consisting of a rubber gasket and a baffle plate and a polyetheretherketone plastic anti-attrition block (2). The elastic terminal and the anti-attrition block are arranged at the bearing site of a reduction gearbox casing at the top end of the worm shaft. The elastic buffering thrust end socket overcomes the shortcomings of high liability of impact wear and short service life of the thrust end socket in the prior art. The utility model can avoid impact wear and prolong service life of the axial thrust end socket of the micromotor rotor shaft through the buffering absorption action of the elastic terminal.
Description
Technical field
The utility model 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 utility model is taked 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 purpose of this utility model is achieved in that the elastic buffer thrust termination on a kind of micro-motor rotor worm shaft top, comprise flexible terminal, anti-attrition piece 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 utility model is taked 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 utility model 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 utility model top, the structural representation of anti-attrition piece;
Fig. 3 is the elastic buffer thrust termination on micro-motor rotor worm shaft of the present utility model 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 utility model is described in further detail, but should not be construed as any restriction of the present utility model.
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 utility model top, comprise flexible terminal 1, anti-attrition piece 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), anti-attrition piece (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 |
|---|---|---|---|
| CN2010201175157U CN201699507U (en) | 2010-01-26 | 2010-01-26 | Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201175157U CN201699507U (en) | 2010-01-26 | 2010-01-26 | Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699507U true CN201699507U (en) | 2011-01-05 |
Family
ID=43400752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201175157U Expired - Fee Related CN201699507U (en) | 2010-01-26 | 2010-01-26 | Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776496A (en) * | 2014-02-14 | 2014-05-07 | 中国北方车辆研究所 | Turbofan flow sensor |
| CN109167475A (en) * | 2018-11-05 | 2019-01-08 | 宁波南星汽车部件有限公司 | A kind of school bus car door electric machine assembly |
-
2010
- 2010-01-26 CN CN2010201175157U patent/CN201699507U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776496A (en) * | 2014-02-14 | 2014-05-07 | 中国北方车辆研究所 | Turbofan flow sensor |
| CN109167475A (en) * | 2018-11-05 | 2019-01-08 | 宁波南星汽车部件有限公司 | A kind of school bus car door electric machine assembly |
| CN109167475B (en) * | 2018-11-05 | 2024-02-02 | 宁波南星汽车部件有限公司 | Motor assembly for school bus door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101764462A (en) | Elastic buffer thrust end at top end of micro-motor rotor worm shaft | |
| CN201369250Y (en) | Bistable unicoil permanent magnetic actuator | |
| CN201913547U (en) | Novel main shaft system of grinding machine | |
| CN201699507U (en) | Elastic buffering thrust end socket at top end of worm shaft of micromotor rotor | |
| CN202424465U (en) | Motor for juicer | |
| CN201228732Y (en) | Axial movement type rolling bearing | |
| CN201193651Y (en) | Full complement ball bearing without ball installing breach and hole | |
| CN204858914U (en) | Motor | |
| CN111415847A (en) | Elastic clamping protection device for motor capable of being used bidirectionally | |
| CN201521467U (en) | Ball bearing fan | |
| CN201582107U (en) | Rotor lubricant pump directly transmitted by flat square of engine crankshaft | |
| CN201779020U (en) | Thrust structure of rotary compressor | |
| CN2937557Y (en) | Oil pump of boss upporting machine | |
| CN201204508Y (en) | Vibration motor for vibrating grinder | |
| CN202384891U (en) | Waterproof dustproof structure of AC external rotor motor | |
| CN219159529U (en) | Intelligent adjusting mechanism for contact state of oil tank cover of generator | |
| CN204061183U (en) | A kind of bearing fixing structure of brake vacuum assist device electronic vacuum pump | |
| CN203420899U (en) | Magnetic drive pump | |
| CN220203970U (en) | Overload protection structure of gear type air motor | |
| CN204149136U (en) | Swing spading flexible axle | |
| CN218124414U (en) | Rotor with good connection sealing performance | |
| CN201134738Y (en) | Permanent-magnet DC electric machine | |
| CN201098339Y (en) | Surface contact cam mechanism | |
| CN201608069U (en) | Connecting structure of connecting rod and connecting rod shaft in circuit breaker operating mechanism | |
| CN212063753U (en) | Wiper motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGHAI NANXING AUTOMOBILE PARTS CO., LTD. Free format text: FORMER OWNER: WANG WEIQING Effective date: 20110211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315609 NINGHAI NANXING AUTOMOTIVE PARTS CO., LTD., HUAYUAN INDUSTRIAL AREA, MEILIN SUBDISTRICT, NINGHAI COUNTY, ZHEJIANG PROVINCE TO: 315609 HUAYUAN INDUSTRIAL AREA, MEILIN SUBDISTRICT, NINGHAI COUNTY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110211 Address after: 315609, Zhejiang Ninghai Meilin Street Garden Industrial Zone Patentee after: Ninghai Nanxing Automobile Parts Co. Address before: 315609 Zhejiang County of Ninghai province Ninghai County Industrial Zone, Merlin Street Garden Nanxing Auto Parts Co. Ltd Patentee before: Wang Weiqing |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20170126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |