CN105099066A - Electric driving device - Google Patents
Electric driving device Download PDFInfo
- Publication number
- CN105099066A CN105099066A CN201410175489.6A CN201410175489A CN105099066A CN 105099066 A CN105099066 A CN 105099066A CN 201410175489 A CN201410175489 A CN 201410175489A CN 105099066 A CN105099066 A CN 105099066A
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- China
- Prior art keywords
- electric driver
- main body
- lid
- transmission mechanism
- electric
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Abstract
The invention provides an electric driving device. The electric driving device is provided with a motor and a transmission mechanism. The motor shell of the motor is provided with a main body and a cover body which are separated. An electric brush carrier and a rotor shaft which stretch to the main body are arranged on the cover body. Besides, the cover body is integrally formed on the transmission mechanism shell of the transmission mechanism. The main body and the cover body are fixed together via a fastening member, and a layer formed by sealing material is coated between the main body and the cover body. The motor shell of the electric driving device is convenient to assemble and great in sealing effect so that manufacturing cost is effectively reduced; besides, the cover body and the transmission mechanism shell are integrally formed so that the structure is enabled to be more solid.
Description
Technical field
The present invention relates to motor and drive drive technology field; More particularly, the present invention relates to a kind of electric driver.
Background technology
As everyone knows, wiper is installed on the windshield of automobile, rear window even at the headlight place of some vehicle, for removing rain, snow or other foreign matter.In the most general case, open wiper control, wiper motor starts and to rotate and this movement transition becomes the reciprocating motion of windshield place wiper, makes wiper back and forth scrape the visibility cleaned the windows when improving driving.The wiper at rear window and headlight place can be respectively used to improve rear visibility and headlight illuminating effect.
Can understand, because wiper system needs to work in the environment such as rainwater, so require to be even more important to the waterproof sealing of its motor part.
Usually rubber seal is used to seal electric machine casing in prior art.Need in this case to sealing surfaces carry out extra machining with make its flatten whole, except deburring, the tolerance that even demand fulfillment is higher; Also need to cut at sealing surfaces place the groove embedding rubber seal in some cases, make technique loaded down with trivial details and add manufacturing cost, equipment cost, the cost of labor of electric driver.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electric driver overcoming aforementioned prior art defect.
In order to overcome aforementioned technical problem, the invention provides a kind of electric driver, described electric driver has motor and transmission mechanism, the electric machine casing of described motor has main body and the lid of separate type, described lid is furnished with the brush carrier stretching to described main body and armature spindle, and, described lid is formed on the transmission mechanism housing of described transmission mechanism, described main body and described lid are fixed together by securing member, and are coated with the layer formed by encapsulant therebetween.
Alternatively, in foregoing electric driver, described encapsulant is curable adhesive.
Alternatively, in foregoing electric driver, described encapsulant is TPE material.
Alternatively, in foregoing electric driver, described encapsulant is seal grease.
Alternatively, in foregoing electric driver, described securing member comprises thread connector.
Alternatively, in foregoing electric driver, the sealing surfaces between the described main body of described electric machine casing and described lid is non-machined surface.
Alternatively, in foregoing electric driver, described sealing surfaces is the step surface or inclined-plane of working in coordination.
Alternatively, in foregoing electric driver, described electric machine casing is axial deep-draw part, described electric machine casing one end forms the opening matched with described lid, the other end relative with described opening forms support portion outwardly, support an end of described armature spindle in described support portion, another end of described rotating shaft is supported in described lid.
Alternatively, in foregoing electric driver, described transmission mechanism comprises the worm gear-endless screw mechanism in described transmission mechanism housing, and described armature spindle passes described lid and drives described worm screw, and then by worm gear outputting power.
Alternatively, in foregoing electric driver, described electric driver is automobile wiper drive unit.
, good sealing effect easy to assembly according to the electric machine casing of aforementioned electric driver of the present invention, significantly reduces manufacturing cost; In addition, lid and transmission mechanism housing are integrally formed and also make structure more firm.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will become more obvious.Should understand, these accompanying drawings only for illustration of object, and be not intended to limit protection scope of the present invention.In figure:
Fig. 1 shows the exploded perspective partial schematic diagram of a kind of execution mode according to electric driver of the present invention; And
Fig. 2 shows the stereogram of the main body of the electric machine casing of the aforementioned embodiments according to electric driver of the present invention.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.In the various figures, identical Reference numeral is for indicating identical technical characteristic.
Fig. 1 shows the exploded perspective partial schematic diagram of a kind of execution mode according to electric driver of the present invention.In FIG, Reference numeral 10 represents motor, the main body of 11 expression electric machine casings, the lid of 12 expression electric machine casings, the rotor of 13 expression motors, 14 represent armature spindles, 15 represent the winding on rotor, and 16 represent brush carrier, and 17 represent the primary sealing area on lid, securing member in the main body of 19 expression electric machine casings, 20 represent transmission mechanism, and 21 represent transmission mechanism housing, and 22 represent the worm gear in transmission mechanism, 23 represent the worm screw in transmission mechanism, the output shaft of 24 expression transmission mechanisms.
As can be seen from the figure, the electric driver of present embodiment can describe and illustrate to be for example is carried out with the drive unit of automobile wiper as follows.Can understand, although this sentences the drive unit of automobile wiper exemplarily, technical scheme of the present invention can be applied in other electric driver according to principle of the present invention and enlightenment by those skilled in the art; No longer enumerate herein.
As shown in Figure 1, the electric driver in illustrated embodiment of the present invention can comprise motor 10 and transmission mechanism 20.When driver opens wiper control, motor 10 by controlled drive transmission device 20 and by output shaft 24 outputting power of transmission mechanism 20 to wiper, to remove the rain at the places such as automobile front windshield, snow or foreign matter etc.
In the present embodiment, the stator of motor can be permanent magnet, the main body 11 being fixed on electric machine casing is inner and not shown, and the brush carrier 16, armature spindle 14 etc. of motor then can be fixed on the lid 12 of electric machine casing, and extend the main body 11 to electric machine casing.Winding 15 can be had at rotor 13 and armature spindle 14 place.Those skilled in the art can understand, and according to concrete motor type, the internal structure of motor may have different facilities, no longer repeats other motor type at this.
The transmission mechanism 20 of the electric driver in present embodiment preferably includes the worm gear-endless screw mechanism be arranged in transmission mechanism housing 21.The output shaft of motor is (not shown, it can form with armature spindle) worm screw 23 of transmission mechanism can be connected to, rotary motion from motor output shaft can be passed to turbine 22 and slow down by worm screw 23, then directly or indirectly output to automobile wiper by transmission mechanism output shaft 24, convert the reciprocally swinging of wiper to.Can understand, transmission mechanism also can adopt the mechanism of other form, such as gear drive etc., and is not limited only to worm gear-endless screw mechanism.
As shown in fig. 1, electric machine casing can comprise main body 11 and lid 12 two parts, and the two can form the seal cavity holding the stator (not shown) of motor 10 and rotor 13 etc.; The sealing of the two herein can make motor internal can not be subject to the impact of the situations such as humidity.Especially more need in this example to avoid steam, moisture etc. to enter motor 10 when electric machine of automobile wiper inner.In order to ensure the sealing between transmission mechanism and motor, in present embodiment, lid 12 part of electric machine casing can be integrally cast into type on transmission mechanism housing 21, and is separated with main body 11 part of electric machine casing.Like this, the electric machine casing after finished product and between transmission mechanism housing fastness better.In the present embodiment, the primary sealing area 17 at lid 12 place can be without mach surface.Such as it can be directly cast or stamping forming surface, and processes without any cutting (including but not limited to turning, grinding etc.).By airtight for the main body 11 of electric machine casing to lid 12 time, the primary sealing area 17 first on lid 12 can apply one deck encapsulant.The different application pattern such as should understand, coating herein can comprise spraying, smear.The layer of sealing material can be the liquid sealing material or gluey encapsulant (thermoplastic such as such as TPE), curable adhesive etc. that can solidify; Though also can be that the seal greases such as such as butter need not solidify but still can play the material of good sealing function, this seal operation be simple, low cost of manufacture, good sealing effect.Can understanding, also can contribute to the main body 11 of electric machine casing and the fastening of lid 12 when using fluid sealant.
In a preferred embodiment, at primary sealing area 17 and secondary sealing area 18 also can be the step surface or inclined-plane etc. of working in coordination.As shown in fig. 1, the primary sealing area 17 of lid 12 schematically depict step surface, the secondary sealing area of main body 11 can coordinate thereon in modes such as sockets.The fit shapes of these sealing surfaces can be just formed when the main body 11 of electric machine casing and the casting of lid 12 or forging etc., and might not need again to carry out machine work.It is stable, compact that matching form between primary sealing area 17 and secondary sealing area 18 is more convenient for assembling, and is also conducive to realizing better sealing effectiveness.The main body 11 of electric machine casing and lid 12 all can by casting or forgings etc. such as aluminiums.
The main body 11 of electric machine casing and lid 12 can be tightened together by securing member 19.Such as, securing member in the shown embodiment can comprise the lug on main body 11 end of electric machine casing and lid 12, lug can be provided with through hole or screwed hole, can carry out fastening with bolt or screw in through hole or screwed hole.Can understand, also can adopt the form of other thread connector, also main body 11 and lid 12 place can be provided with flange etc., this form is easy to processing, fastening convenience and be convenient to dismounting.The form of these thread connection includes but not limited to Bolt Connection, studs, screw attachment etc.Those skilled in the art can understand, and also can adopt the securing member 19 of non-threaded form herein, such as, can be other fastener forms including but not limited to holding firmware, riveting component etc.
Fig. 2 shows the stereogram of the main body of the electric machine casing of the aforementioned embodiments according to electric driver of the present invention.In fig. 2, Reference numeral 18 represents the secondary sealing area in the main body of electric machine casing, and 11a represents the opening at main body 18 one end place, and 11b represents the support portion at main body 18 other end place.As can be seen from the figure, the main body 11 of electric machine casing can be an axial deep-draw part, and this deep-draw part can be roughly tubular.Such as, the main body 11 of electric machine casing can utilize the sheet material etc. of the materials such as such as aluminium to be stamped to form.Can understand, the lid 12 that the opening 11a of housing body 11 is suitable for electric machine casing coordinates, and can allow that rotor axis of electric 14, rotor 13, brush carrier 16 etc. extend in main body 11; In one end relative with opening 11a from housing body 11 outwardly, like this, main body 11 inside corresponding to support portion 11b can be formed with such as recess etc. can one end of support rotor axle 14 for the support portion 11b of main body 11.The bearing of supporting rotor axle 14 can be set in the 11b of this support portion.As shown in fig. 1, the other end of rotating shaft 14 is supported in lid 12.
When assembling electric driver of the present invention, can first (such as utilizing glue rifle etc.) coating sealing material layer (including but not limited to fluid sealant or seal grease) on the sealing surfaces of main body 11 or lid 12, then after being mounted to cover piece 12, fluid sealant is solidified into sealant or forms effective sealant by seal grease etc. after certain hourage, then it is anchored on lid 12 with bolt etc. through the circular hole at the lug place of the main body 11 of electric machine casing, make rotor 13, armature spindle 14, winding 15, brush carrier 16 etc. can to reach in this main body 11 and to be sealed effectively, in order to avoid steam, the impact of foreign matter etc., ensure the normal work of electric driver.
If the front description carried out the preferred embodiment of the present invention is with reference to the accompanying drawings only exemplary and explanat; Those skilled in the art also can carry out accommodation or the remodeling of equivalent or similar type under teaching herein to the preferred embodiment of the present invention, these flexible or remodeling also will fall in the protection range that covered by claims of the present invention.
Claims (10)
1. an electric driver, it is characterized in that, described electric driver has motor and transmission mechanism, the electric machine casing of described motor has main body and the lid of separate type, described lid is furnished with the brush carrier stretching to described main body and armature spindle, and described lid is formed on the transmission mechanism housing of described transmission mechanism, described main body and described lid are fixed together by securing member, and are coated with the layer formed by encapsulant therebetween.
2. electric driver as claimed in claim 1, wherein, described encapsulant is curable adhesive.
3. electric driver as claimed in claim 2, wherein, described encapsulant is TPE material.
4. electric driver as claimed in claim 1, wherein, described encapsulant is seal grease.
5. electric driver as claimed in claim 1, wherein, described securing member comprises thread connector.
6. electric driver as claimed in claim 1, wherein, the sealing surfaces between the described main body of described electric machine casing and described lid is non-machined surface.
7. electric driver as claimed in claim 6, wherein, described sealing surfaces is the step surface or inclined-plane of working in coordination.
8. electric driver as claimed in claim 1, wherein, described electric machine casing is axial deep-draw part, described electric machine casing one end forms the opening matched with described lid, the other end relative with described opening forms support portion outwardly, support an end of described armature spindle in described support portion, another end of described rotating shaft is supported in described lid.
9. electric driver as claimed in claim 1, wherein, described transmission mechanism comprises the worm gear-endless screw mechanism in described transmission mechanism housing, and described armature spindle passes described lid and drives described worm screw, and then by worm gear outputting power.
10., as the electric driver according to any one of aforementioned claim 1 to 9, wherein, described electric driver is automobile wiper drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175489.6A CN105099066A (en) | 2014-04-29 | 2014-04-29 | Electric driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410175489.6A CN105099066A (en) | 2014-04-29 | 2014-04-29 | Electric driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105099066A true CN105099066A (en) | 2015-11-25 |
Family
ID=54578876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410175489.6A Pending CN105099066A (en) | 2014-04-29 | 2014-04-29 | Electric driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105099066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712364A (en) * | 2016-11-29 | 2017-05-24 | 潘云清 | Novel motor housing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0712195B1 (en) * | 1994-11-12 | 1998-08-26 | TEMIC Automotive Electric Motors GmbH | Electric motor drive for a unit axially plonge mounted on the motor housing |
| CN1363131A (en) * | 2000-02-12 | 2002-08-07 | 罗伯特·博施有限公司 | electric driver mechanism, especially for motor vehicles |
| CN202150781U (en) * | 2011-08-04 | 2012-02-22 | 湖北毅源科技开发有限公司 | Explosion-proof brushless dc motor |
| CN202178656U (en) * | 2011-07-28 | 2012-03-28 | 李林桥 | Single-phase gear deceleration motor |
-
2014
- 2014-04-29 CN CN201410175489.6A patent/CN105099066A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0712195B1 (en) * | 1994-11-12 | 1998-08-26 | TEMIC Automotive Electric Motors GmbH | Electric motor drive for a unit axially plonge mounted on the motor housing |
| CN1363131A (en) * | 2000-02-12 | 2002-08-07 | 罗伯特·博施有限公司 | electric driver mechanism, especially for motor vehicles |
| CN202178656U (en) * | 2011-07-28 | 2012-03-28 | 李林桥 | Single-phase gear deceleration motor |
| CN202150781U (en) * | 2011-08-04 | 2012-02-22 | 湖北毅源科技开发有限公司 | Explosion-proof brushless dc motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712364A (en) * | 2016-11-29 | 2017-05-24 | 潘云清 | Novel motor housing |
| CN106712364B (en) * | 2016-11-29 | 2019-04-19 | 潘云清 | A kind of motor housing |
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Application publication date: 20151125 |
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