CN203774958U - Automobile wiper motor - Google Patents
Automobile wiper motor Download PDFInfo
- Publication number
- CN203774958U CN203774958U CN201420155080.3U CN201420155080U CN203774958U CN 203774958 U CN203774958 U CN 203774958U CN 201420155080 U CN201420155080 U CN 201420155080U CN 203774958 U CN203774958 U CN 203774958U
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- rolling bearing
- motor housing
- motor
- bearing
- rotor
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Abstract
The utility model relates to an automobile wiper motor. The automobile wiper motor comprises a motor and a decelerator. The decelerator comprises a decelerator housing, a worm gear, a worm, a connecting rod, a swing arm and an output shaft. The motor comprises a motor housing, a rotor and a stator. The rotor is assembled in the motor housing through a rotor shaft, the rotor shaft is coaxially arranged with the worm, the front end and the rear end of the rotor shaft are supported on the motor housing through bearings, the front end of the rotation shaft is in linkage connection with the worm, the bearing assembled to the front end of the rotor shaft is a rolling bearing, the rolling bearing fixedly sleeves the rotor shaft, the rotor is hoisted in the motor housing through the rolling bearing, the motor housing is provided with a bearing assembling stand cavity, the rolling bearing is assembled in the bearing assembling stand cavity, a lock member for limiting the rolling bearing in the bearing assembling stand cavity is fixed on the motor housing, and the rolling bearing is supported on the lock member to form the rotor hoisted in the motor housing. Compared to the prior art, the automobile wiper motor has the advantages of low power loss, high output power and efficiency, and long service life.
Description
Technical field
The utility model relates to technical field of automobile components, is specifically related to a kind of wiper motor.
Background technology
As shown in Figure 1, existing wiper motor mainly includes motor 1 and drives with motor 1 decelerator 2 being connected, described decelerator 2 includes speed reducer housing 21, and be assemblied in the worm gear 22 in speed reducer housing 21, worm screw 23, connecting rod (not shown in figure 1), swing arm 25, output shaft 26, described worm gear 22 and worm screw 23 engaged transmission, described connecting rod one end is arranged on worm gear 22 through little axle 28 bias of gear, the connecting rod other end and the hinged interlock of swing arm 25, described swing arm 25 is fixedly connected on output shaft 26 with respect to the other end that is connected one end with connecting rod, described motor 1 includes the motor housing 11 being connected with speed reducer housing 21, and be assemblied in the rotor 12 in motor housing 11, stator 13, rotor 12 is in armature spindle 14 is assemblied in motor housing 11, described armature spindle 14 rear and front ends are engaged on motor housing 11 through sliding bearing, described armature spindle 14 front ends stretch in speed reducer housing 21 and are connected with worm screw 23, armature spindle 14 coaxially arranges with worm screw 23, between armature spindle 14 ends, rear end and motor housing 11, be supported with steel ball 8.
There is following defect in the wiper motor of above-mentioned existing structure: 1, armature spindle rear and front end is all used sliding bearing to coordinate, axially alter and understand for avoiding armature spindle, between end, armature spindle bottom and motor housing bottom, steel ball is set, steel ball forms supporting to armature spindle, in the time of machine operation, spin friction between steel ball and motor housing bottom, like this in the time that motor load is worked, rotor need to overcome the friction of steel ball, cause power output loss, cause that motor working efficiency is low, and easily cause mechanical part, as the damage of motor housing.
2, the worm gear of rain shaving electrical machine is working of plastics (material is generally POM), due to the little axle of gear and little for distance between the gear main shaft of fixing worm gear is installed, and the little axle of gear is directly inserted on worm gear, worm gear is low in the intensity of gear main shaft and assembling place of the little axle of gear, after long-time use, easily there is the phenomenon that cracking and the little axle of gear pull in worm gear.
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of armature spindle to be assemblied on motor housing through rolling bearing, realizes rotor suspension and is lifted on motor housing, and power loss is low, power output and efficiency are high, and the wiper motor of long service life.
For achieving the above object, the utility model provides following technical scheme: a kind of wiper motor, include motor and drive with motor the decelerator being connected, described decelerator includes speed reducer housing, and be assemblied in the worm gear in speed reducer housing, worm screw, connecting rod, swing arm, output shaft, described worm gear and worm engaging transmission, worm gear moves and fits in speed reducer housing through gear main shaft, described connecting rod one end is arranged on worm gear through the little eccentric shaft of gear, the hinged interlock of the connecting rod other end and swing arm, described swing arm is fixedly connected on output shaft with respect to the other end that is connected one end with connecting rod, described motor includes the motor housing being connected with speed reducer housing, and be assemblied in the rotor in motor housing, stator, rotor is in armature spindle is assemblied in motor housing, armature spindle and worm screw coaxially arrange, armature spindle rear and front end is bearing on motor housing through bearing, armature spindle front end stretches in described speed reducer housing and is connected with worm screw, it is characterized in that: the bearing that described armature spindle front end assembles is rolling bearing, rolling bearing is fixedly set on armature spindle, described rotor is in rolling bearing is lifted on motor housing, described motor housing is provided with bearing assemble seat chamber, described rolling bearing is assemblied in bearing assemble seat chamber, on described motor housing, be fixed with for by the spacing rolling bearing lock-bit part in bearing assemble seat chamber, rolling bearing is bearing in and on lock-bit part, forms described rotor and be lifted in motor housing.
By adopting technique scheme, the rotor of motor is in rolling bearing is lifted on motor housing, the bearing of the armature spindle rear end of motor carries out assist location supporting to rotor, exempt the steel ball setting between armature spindle rear end and motor housing bottom, reduce the frictional resistance that rotor rotates, reduce power loss, improve power output and efficiency, simultaneously due to armature spindle and the friction of motor housing without steel ball, the useful life of raising motor; Meanwhile, the frictional resistance rotating due to rotor reduces, and power-dissipation-reduced, can be in the situation that guaranteeing the required work moment of rain shaving electrical machine, and the enamel insulated round copper wire on the required rotor coil of corresponding minimizing motor and the quantity of rotor core are saved material, reduce costs.
The utility model is further set to: described lock-bit part is lateral pin, it is " ┐ " shape member, the orientation assemble plate that includes horizontally disposed fixed head and longitudinally arrange, described motor housing is provided with lateral pin assembly cavity, lateral pin assembly cavity includes the longitudinal register groove being positioned on motor housing sidewall, and the plug-in opening of confession fixed head positioning and plug-in mounting, plug-in opening one end is connected with longitudinal register groove, the plug-in opening other end extends to below, bearing assemble seat chamber, the fixed head outer end of described lateral pin is connected with orientation assemble plate, fixed head is inner is the positive stop end for the spacing supporting of rolling bearing, fixed head inserting is in plug-in opening, the positive stop end of fixed head extends described rolling bearing below and coordinates with rolling bearing is spacing, the adaptive embedding in longitudinal register groove of orientation assemble plate on fixed head outer end, the fixed head of described lateral pin through screw locking on motor housing.
By adopting technique scheme, lateral pin be " ┐ " shape member designs, and the orientation assemble plate on it and fixed head are realized the orientation assemble of lateral pin, and the formation two-way location of vertical and horizontal, locates more reliably, assembles more convenient.
The utility model is further set to: the orientation assemble plate of described lateral pin is " work " word shape, and the longitudinal register groove on corresponding described motor housing sidewall is " work " font groove.
By adopting technique scheme, adopt I-shaped cooperation, the location of lateral pin and motor housing is more reliable, effectively forms spacing on longitudinal to lateral pin, and the installation of lateral pin is more firm.
The utility model is further set to: on described armature spindle, be positioned at rolling bearing axis and be equipped with annular groove to end positions, be equipped with the snap ring spacing for rolling bearing in annular groove, snap ring coordinates with rolling bearing is spacing.
By adopting technique scheme, the axial two ends of rolling bearing are through the spacing locking of snap ring, and being assemblied on armature spindle of rolling bearing is firm.
The utility model is further set to: described worm gear middle position is fixed with reinforcement metal plate, and the little axle of described gear is fixedly mounted on reinforcement metal plate.
By adopting technique scheme, worm gear middle position at original plastic material arranges reinforcement metal plate, little gear axle is fixed on reinforcement metal plate, the little axle fixation of gear, meanwhile, effectively avoid on the worm gear of plastic material the directly little axle of assembling gear, the low problem of caused worm gear intensity, improve worm gear intensity, improve worm gear useful life.
The utility model is further set to: described reinforcement metal plate includes plate-like body, plate-like body is riveted on the gear main shaft on worm gear, the circumferential side of plate-like body is provided with some claws spaced apart, described worm gear is provided with the draw-in groove of joining for claw card, and described reinforcement metal plate upper clipping claw card fits in draw-in groove.
By adopting technique scheme, reinforcement metal plate is fixed on worm gear solid and reliable, and the gear main shaft riveted joint on reinforcement metal plate and worm gear, worm gear passes to the moment of connecting rod, is mainly born by reinforcement metal plate, and the claw on reinforcement metal plate not only supplies the orientation assemble of reinforcement metal plate, and claw snaps in the draw-in groove of worm gear, ensure worm gear and in reinforcement metal plate direction of rotation, coordinate reliably, transmission of power is reliable, guarantees worm gear reliable operation.
Below in conjunction with accompanying drawing, the utility model is further described.
Brief description of the drawings
Fig. 1 is the wiper motor structural representation of the utility model prior art;
Fig. 2 is the wiper motor structural representation of the utility model specific embodiment;
Fig. 3 is the rotor assembling schematic diagram of the utility model specific embodiment;
Fig. 4 is the lateral pin assembling schematic diagram of the utility model specific embodiment;
Fig. 5 is the turbine structure schematic diagram of the utility model specific embodiment.
Embodiment
Referring to accompanying drawing 2, to accompanying drawing 5, the disclosed a kind of wiper motor of the utility model, includes motor 1 and drives with motor 1 decelerator 2 being connected; Described decelerator 2 includes speed reducer housing 21, and is assemblied in worm gear 22, worm screw 23, connecting rod 24, swing arm 25, output shaft 26 in speed reducer housing 21.Described worm gear 22 and worm screw 23 engaged transmission, worm gear 22 moves and fits in speed reducer housing 21 through gear main shaft 27; Described connecting rod 24 one end are arranged on worm gear 22 through little axle 28 bias of gear, connecting rod 24 other ends and the hinged interlock of swing arm 25; Described swing arm 25 is fixedly connected on output shaft 26 with respect to the other end that is connected one end with connecting rod 24.Described motor 1 includes the motor housing 11 being connected with speed reducer housing 21, and is assemblied in rotor 12, stator 13 in motor housing 11, and rotor 12 is in armature spindle 14 is assemblied in motor housing 11.Described armature spindle 14 coaxially arranges with worm screw 22, armature spindle 14 rear and front ends are bearing on motor housing 11 through bearing 3,4, armature spindle 14 front ends stretch in described speed reducer housing 21 and are connected with worm screw 23, in this specific embodiment, armature spindle 14 is integral design with worm screw 23, can certainly adopt assembly connection integral.The bearing 3 that described armature spindle 14 front ends assemble is rolling bearing 3; The bearing 4 that assemble armature spindle 14 rear ends still adopts sliding bearing, and the axial load that can bear is like this larger.Described rolling bearing 3 is fixedly set on armature spindle 14, wherein more firm for rolling bearing 3 is fixed on armature spindle 14, on armature spindle 14, be positioned at the axial end positions of rolling bearing 3 and be equipped with annular groove 141, in annular groove 141, be equipped with the snap ring 142 spacing for rolling bearing 3, snap ring 142 coordinates with rolling bearing 3 is spacing; Position locking is realized through snap ring 142 in rolling bearing 3 two ends like this, effectively prevents that rolling bearing 3 from rocking, and ensures that rolling bearing 3 is fixed on armature spindle 14 reliable and stable.Described rotor 12 is in rolling bearing 3 is lifted on motor housing 11.Described motor housing 11 is provided with bearing assemble seat chamber 15, described rolling bearing 3 is assemblied in bearing assemble seat chamber 15, on described motor housing 11, be fixed with for by the spacing rolling bearing 3 lock-bit part in bearing assemble seat chamber 15, rolling bearing 3 is bearing in and on lock-bit part, forms described rotor 12 and be lifted in motor housing 11.The rotor 12 of motor 1 is in rolling bearing 3 is lifted on motor housing 11, the bearing of armature spindle 14 rear ends of motor 1 carries out assist location supporting to rotor 12, exempt the steel ball setting between armature spindle 14 rear ends and motor housing 11 bottoms, reduce the frictional resistance that rotor 12 rotates, reduce power loss, improve power output and efficiency, simultaneously due to the friction without steel ball between armature spindle 14 and motor housing 11, the useful life of having improved motor; Meanwhile, the frictional resistance rotating due to rotor 12 reduces, power-dissipation-reduced, rain shaving electrical machine adds man-hour, in the situation that guaranteeing the required work moment of rain shaving electrical machine, and the enamel insulated round copper wire on can the required rotor coil of corresponding minimizing motor and the quantity of rotor core, save material, reduce costs.
Further, described lock-bit part is lateral pin 5, and it is " ┐ " shape member, because it is widget, is generally overall machine-shaping, can certainly adopt split, but has the unnecessary trouble in processing, is therefore generally global design, the orientation assemble plate 52 that lateral pin 5 includes horizontally disposed fixed head 51 and longitudinally arranges, described motor housing 11 is provided with lateral pin assembly cavity 6, and lateral pin assembly cavity 6 includes the longitudinal register groove 61 being positioned on motor housing 11 sidewalls, and supplies the plug-in opening 62 of fixed head 51 positioning and plug-in mountings, and the installation opening of longitudinal register groove 61 communicates with the external world, plug-in opening 62 one end are connected with longitudinal register groove 61, and plug-in opening 62 other ends extend to 15 belows, bearing assemble seat chamber, conventionally, motor housing 11 includes tubbiness body 111 and upper cover 112, wherein upper cover 112 and speed reducer housing 21 Integral designs, and upper cover 112 lids are located on tubbiness body 111, have formed the assembling of rain shaving electrical machine and being linked and packed of motor 1 and decelerator 2, described longitudinal register groove 61 is arranged on the sidewall of tubbiness body 111, and plug-in opening 62 is arranged on upper cover 112, after upper cover 112 lids are arranged on tubbiness body 111, the lateral pin assembly cavity 6 of plug-in opening 62 and longitudinal register groove 61 completes, fixed head 51 outer ends of described lateral pin 5 are connected with orientation assemble plate 52, fixed head 51 is inner is the positive stop end 511 for rolling bearing 3 spacing supportings, fixed head 51 insertings are in plug-in opening 62, the positive stop end 511 of fixed head 51 extends described rolling bearing 3 belows and coordinates with rolling bearing 3 is spacing, the adaptive embedding in longitudinal register groove 61 of orientation assemble plate 52 on fixed head 51 outer ends, the fixed head 51 of described lateral pin 5 through screw locking on motor housing 11, on the upper cover 112 of motor housing 1, screw hole is set, on the fixed head 51 of lateral pin 5, screw connecting hole is set, the screw rod of screw screws in the screw hole of motor housing 1, and be screwed in the fixed head 51 screwing connecting holes of lateral pin 5, realizing screw locks lateral pin 5 on motor housing 1.Like this, can realize the later stage and pack lateral pin 5 into, realize spacing to rolling bearing 3, bring convenience to assembling; The groove design that wherein said longitudinal register groove 61 can punching press forms, also can be for connecting the groove of motor housing 11 sidewalls.And lateral pin 5 is " ┐ " shape member designs, the orientation assemble plate 52 on it and fixed head 51 are realized the orientation assemble of lateral pin 5, form the two-way location of vertical and horizontal, locate more reliably, assemble more convenient.Reliable for ensureing rolling bearing 3 assembling, on motor housing 11, be conventionally provided with two relative lateral pins 5 in position and rolling bearing 3 carried out spacing, lateral pin 5 also can be set to one or more certainly.Wherein lock-bit part can be also the versions such as stripe board part structure, or circular platen, but has assembling inconvenience or unstable defect.
Further, the orientation assemble plate 52 of described lateral pin 5 is " work " word shape, and the longitudinal register groove 61 on corresponding described motor housing 11 sidewalls is " work " font groove; For easy to process, longitudinal register groove 61 is for connecting the inside and outside groove design of motor housing 11.
For solve existing turbine easily ftracture damage problem, described worm gear 22 middle positions are fixed with reinforcement metal plate 7, the little axle 28 of described gear is fixedly mounted on reinforcement metal plate 7, and the little axle 28 of gear can adopt riveted joint or is threaded or weld or the mode such as overall processing is fixed on reinforcement metal plate 7.Wherein said reinforcement metal plate 7 includes plate-like body 71, plate-like body 71 is riveted on the gear main shaft 27 on worm gear 22, the circumferential side of plate-like body 71 is provided with some claws 72 spaced apart, described worm gear 22 is provided with for claw 72 and blocks the draw-in groove 73 of joining, and described reinforcement metal plate 7 upper clipping claw 72 cards fit in draw-in groove 73.Realize like this after reinforcement metal plate 7 and 27 riveted joints of gear main shaft, be fixed on turbine 22, and reinforcement metal plate 7 upper clipping claws 72 not only supply the orientation assemble of reinforcement metal plate 7, simultaneously, claw 72 snaps in the draw-in groove 73 of worm gear 22, ensure worm gear 22 and in reinforcement metal plate 7 direction of rotation, coordinate reliably, transmission of power is reliable, guarantees worm gear 22 reliable operations.Certainly as the feasible technical scheme of the utility model, wherein reinforcement metal plate can also adopt direct embedding to be coated on to form on turbine both connections, or adopt screw etc. that reinforcement metal plate is fixed on turbine, or adopt caulking groove and seccotine or securing member to realize reinforcement metal plate to be fixed on turbine etc., but inconvenience is processed in itself or existence, or it is unreliable to exist reinforced metal part to be connected with turbine, or too complicated defect, adopt above-mentioned reinforcement metal plate structure mode to assemble therefore the utility model is preferential.
Rain shaving electrical machine of the present utility model, 2 improvement are carried out, one, rotor 12 is adopted to the mounting means of lifting, rotor 12 is no longer by steel ball and other parts friction work of motor, reduce like this because steel ball friction causes power loss, improved power output and efficiency, improved motor useful life; They are two years old, original plastics turbine 22 is improved, introduce reinforcement metal plate 7, the little axle 28 of gear is no longer clasped fixing by plastics, but be fixed on reinforcement metal plate 7, reinforcement metal plate 7 is realized and being fixed on turbine 22 with 28 riveted joints of gear main shaft again, and the claw 72 on reinforcement metal plate 7 stretches in draw-in groove 73, ensure reinforcement metal plate 7 and in turbine 22 direction of rotation, coordinate reliably, ensure that transmission of power is reliable.
Claims (6)
1. a wiper motor, include motor and drive with motor the decelerator being connected, described decelerator includes speed reducer housing, and be assemblied in the worm gear in speed reducer housing, worm screw, connecting rod, swing arm, output shaft, described worm gear and worm engaging transmission, worm gear moves and fits in speed reducer housing through gear main shaft, described connecting rod one end is arranged on worm gear through the little eccentric shaft of gear, the hinged interlock of the connecting rod other end and swing arm, described swing arm is fixedly connected on output shaft with respect to the other end that is connected one end with connecting rod, described motor includes the motor housing being connected with speed reducer housing, and be assemblied in the rotor in motor housing, stator, rotor is in armature spindle is assemblied in motor housing, armature spindle and worm screw coaxially arrange, armature spindle rear and front end is bearing on motor housing through bearing, armature spindle front end stretches in described speed reducer housing and is connected with worm screw, it is characterized in that: the bearing that described armature spindle front end assembles is rolling bearing, rolling bearing is fixedly set on armature spindle, described rotor is in rolling bearing is lifted on motor housing, described motor housing is provided with bearing assemble seat chamber, described rolling bearing is assemblied in bearing assemble seat chamber, on described motor housing, be fixed with for by the spacing rolling bearing lock-bit part in bearing assemble seat chamber, rolling bearing is bearing in and on lock-bit part, forms described rotor and be lifted in motor housing.
2. wiper motor according to claim 1, it is characterized in that: described lock-bit part is lateral pin, it is " ┐ " shape member, the orientation assemble plate that includes horizontally disposed fixed head and longitudinally arrange, described motor housing is provided with lateral pin assembly cavity, lateral pin assembly cavity includes the longitudinal register groove being positioned on motor housing sidewall, and the plug-in opening of confession fixed head positioning and plug-in mounting, plug-in opening one end is connected with longitudinal register groove, the plug-in opening other end extends to below, bearing assemble seat chamber, the fixed head outer end of described lateral pin is connected with orientation assemble plate, fixed head is inner is the positive stop end for the spacing supporting of rolling bearing, fixed head inserting is in plug-in opening, the positive stop end of fixed head extends described rolling bearing below and coordinates with rolling bearing is spacing, the adaptive embedding in longitudinal register groove of orientation assemble plate on fixed head outer end, the fixed head of described lateral pin through screw locking on motor housing.
3. wiper motor according to claim 2, is characterized in that: the orientation assemble plate of described lateral pin is " work " word shape, the longitudinal register groove on corresponding described motor housing sidewall is " work " font groove.
4. according to wiper motor described in claim 1 or 2 or 3, it is characterized in that: on described armature spindle, be positioned at rolling bearing axis and be equipped with annular groove to end positions, in annular groove, be equipped with the snap ring spacing for rolling bearing, snap ring coordinates with rolling bearing is spacing.
5. wiper motor according to claim 1, is characterized in that: described worm gear middle position is fixed with reinforcement metal plate, the little axle of described gear is fixedly mounted on reinforcement metal plate.
6. wiper motor according to claim 5, it is characterized in that: described reinforcement metal plate includes plate-like body, plate-like body is riveted on the gear main shaft of worm gear, the circumferential side of plate-like body is provided with some claws spaced apart, described worm gear is provided with the draw-in groove of joining for claw card, and described reinforcement metal plate upper clipping claw card fits in draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155080.3U CN203774958U (en) | 2014-04-01 | 2014-04-01 | Automobile wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155080.3U CN203774958U (en) | 2014-04-01 | 2014-04-01 | Automobile wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774958U true CN203774958U (en) | 2014-08-13 |
Family
ID=51292107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155080.3U Expired - Fee Related CN203774958U (en) | 2014-04-01 | 2014-04-01 | Automobile wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142452A (en) * | 2019-06-03 | 2019-08-20 | 重庆市綦江区宏利汽配有限公司 | A kind of sawing machine disconnecting device with material collection function |
-
2014
- 2014-04-01 CN CN201420155080.3U patent/CN203774958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142452A (en) * | 2019-06-03 | 2019-08-20 | 重庆市綦江区宏利汽配有限公司 | A kind of sawing machine disconnecting device with material collection function |
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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: 20140813 Termination date: 20160401 |