CN101161514B - A rain shaving electrical machine and its water-proof method - Google Patents
A rain shaving electrical machine and its water-proof method Download PDFInfo
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- CN101161514B CN101161514B CN2007101315070A CN200710131507A CN101161514B CN 101161514 B CN101161514 B CN 101161514B CN 2007101315070 A CN2007101315070 A CN 2007101315070A CN 200710131507 A CN200710131507 A CN 200710131507A CN 101161514 B CN101161514 B CN 101161514B
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- motor
- waterproof
- electric machine
- main shaft
- machine main
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005266 casting Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000009304 pastoral farming Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a rain scraping motor mounted on the backing plate (6) of electric machine, comprising a main axis (1) of electric machine, a casting entity (7) electric machine and a connecting system (3) mounted on the main axis (1), wherein the connecting system (3) transfers the rotation of electric machine axis to rain scraper. A waterproof construction of electric machine (8) is connected with the main axis (1) of the electric machine and mounted on the extending end of the main axis (1), and separates the connecting system (3) from the electric machine. The connecting system (3) is beside the electric machine is in the backing plate (6) of the electric machine. The invention changes the structure of the main axis and increases the seal ring and waterproof jacket to thoroughly separate the rain from the main axis, therefore the invalidation of electric machine due to rain is avoided. The technique simple and the cost is low.
Description
Technical field
The technical field of the automobile construction that the invention belongs to relates to the used electric components of auto body annex, more particularly, the present invention relates to a kind of rain shaving electrical machine.In addition, the present invention also provides the waterproof method that this rain shaving electrical machine adopted.
Background technology
In the accessory system of present auto body, the water resistance of rain shaving electrical machine often is difficult to reach requirement.This is because in traditional auto body accessory system, and general rain shaving electrical machine is installed on the water tank baffle, owing to be the front windshield trim board above the rain shaving electrical machine, and generally all be provided with the air-conditioning ventilation inlet in the middle of the front windshield trim board.The rainy day, rainwater can be splashed on the electric machine main shaft by the air-conditioning ventilation inlet, and it is drenched, and causes the rain shaving electrical machine water inlet to be lost efficacy.
At the problems referred to above, the method that existing now known technology is taked is to increase waterproof jacket on main shaft, and this waterproof jacket is fixed on the motor fixing plate.Because rain shaving electrical machine main shaft and link gear all move, and must there be the gap between waterproof jacket and the electric machine main shaft, therefore, waterproof jacket and electric machine main shaft can't isolate and seal, being still within the bounds of possibility of electric machine main shaft trickle, after causing rain shaving electrical machine and link gear to run into rainwater drenching, can't normal operation, even rain shaving electrical machine damages and to scrap, and whole wiper is all at a standstill.
Summary of the invention
Problem to be solved by this invention provides a kind of rain shaving electrical machine, its objective is that to make rain shaving electrical machine water-proff packing performance better.
To achieve these goals, the technical scheme that the present invention takes is: this rain shaving electrical machine that is provided, be arranged on the motor fixing plate, comprise electric machine main shaft, motor casting body and be installed in link gear on the main shaft, described link gear is passed to wiper with the rotation of motor shaft, the external part of described electric machine main shaft is provided with the waterproof structure for motor that connects as one with electric machine main shaft, this waterproof structure for motor separates link gear and motor, link gear is outside motor fixing plate, and motor is in motor fixing plate.Described motor fixing plate is provided with the waterproof trepanning, and described waterproof jacket passes the waterproof trepanning, and with the waterproof trepanning be free-running fit.
The technical scheme of waterproof structure for motor:
Described waterproof structure for motor is provided with the waterproof jacket of a sleeve shaped, and the one end is enclosed within on the electric machine main shaft, and the other end is an opening, towards the motor casting body.
In order to improve the present invention, can further adopt following each optimized technical scheme:
Described waterproof structure for motor is in the axial part of described electric machine main shaft, establishes one section motor shaft step, and its diameter is greater than the axial other parts of electric machine main shaft, and described waterproof jacket inner end surface contacts with the end face of motor shaft step.
Described waterproof structure for motor is on described electric machine main shaft, from the end direction order of described waterproof jacket to electric machine main shaft, be provided with seal ring, link gear and nut successively, seal ring and link gear are enclosed within on the electric machine main shaft, nut is spun on the screw thread of electric machine main shaft, is locked by nut.
The interior circle of described waterproof jacket and motor casting body are free-running fit.
The outer round surface of described waterproof jacket is provided with the waterproof lines that along the circumferential direction distributes.
Described waterproof lines is a shallow slot.
Or described waterproof lines is a projection.
Circumference on described waterproof lines and the waterproof jacket outer round surface forms a bevelled angle, and its bevelled direction is to make moisture break away from the direction of rain shaving electrical machine body.
In order to realize the goal of the invention identical with technique scheme, the present invention also provides the waterproof method that this rain shaving electrical machine adopted, this method is by being fixed on the waterproof jacket on the electric machine main shaft, pass on the motor fixing plate the waterproof trepanning and with its for free-running fit, water and steam are isolated, make it can not enter motor; This method utilization be enclosed within electric machine main shaft and place waterproof jacket and link gear between seal ring, play sealing function, make water and steam can not enter motor; This method is by the high speed revolution of waterproof jacket, and the waterproof lines on its outside face utilizes centnifugal force that water and water smoke are thrown away motor.
The present invention adopts technique scheme, has solved the rain shaving electrical machine waterproof problem, the mechanism by changing electric machine main shaft and increase seal ring and waterproof jacket, thus isolate rainwater under drenching from electric machine main shaft completely, stop motor and lost efficacy because of rainwater drenches.Technology is simple, at the bottom of the cost.The present invention processes an attachment face at the rain shaving electrical machine main shaft, mainly cooperate with waterproof jacket, on waterproof jacket, add seal ring, by fixing link gear nut locking, thereby fixing with waterproof jacket and seal ring, when rain shaving electrical machine drove link gear, waterproof jacket and seal ring were synchronized with the movement, could isolate rainwater by the present invention, stop motor and answer rainwater to drench and lost efficacy.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of the waterproof jacket among the present invention.
Be labeled as among the figure: 1, electric machine main shaft, 2, nut, 3, link gear, 4, seal ring, 5, waterproof jacket, 6, motor fixing plate, 7, the motor casting body, 8, waterproof structure for motor, 9, the motor shaft step, 10, the waterproof trepanning, 11, the waterproof lines.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, Fig. 2, the present invention is a kind of rain shaving electrical machine, be arranged on the motor fixing plate 6, comprise electric machine main shaft 1, motor casting body 7 and be installed in link gear 3 on the main shaft 1, described link gear 3 is passed to wiper with the rotation of motor shaft.
In order to solve the problem that in the present known technology described in this specification sheets background technology, exists and to overcome its defective, realization makes the rain shaving electrical machine purpose of water-proff packing better, the present invention has taked technical scheme described below: as shown in Figure 1, it is this rain shaving electrical machine provided by the present invention, the external part that comprises described electric machine main shaft 1 is provided with the waterproof structure for motor 8 that connects as one with electric machine main shaft 1, this waterproof structure for motor 8 separates link gear 3 and motor, link gear 3 is outside motor fixing plate 6, and motor is in motor fixing plate 6.
Adopt technique scheme, when rain shaving electrical machine drove the link gear rotation, waterproof structure for motor 8 was synchronized with the movement with electric machine main shaft 1, isolates rainwater effectively, stop motor and lost efficacy, and make the present invention have simple in structure, characteristics such as cost is low, easy to manufacture, long service life because of rainwater drenches.
In order to make the present invention have higher creativeness, have more the feasibility of enforcement and the value of enforcement, the present invention also further provides following examples:
Embodiment one:
Above-described waterproof structure for motor 8 is provided with the waterproof jacket 5 of a sleeve shaped, and the one end is enclosed within on the electric machine main shaft 1, and the other end is an opening, towards motor casting body 7.Waterproof jacket 5 is waterproof and leak free primary member, and the setting of its direction is in order to protect the motor main body better, to make it cover the motor main body fully.It is that waterproof jacket 5 is located on the electric machine main shaft 1 with the maximum difference of prior art at present, is synchronized with the movement with electric machine main shaft 1, rather than is located on the motor fixing plate 6 and maintains static.This just makes the gap that does not have infiltration on the electric machine main shaft 1, and waterproof effect is better.Simultaneously, because the outside diameter of waterproof jacket 5 is bigger, the linear velocity when therefore rotating is also bigger, moisture is thrown away the better effects if of waterproof jacket 5.
Embodiment two:
Based on embodiment one, the mounting structure of waterproof jacket 5 of the present invention is: described waterproof structure for motor 8 is in the axial part of described electric machine main shaft 1, if one section motor shaft step 9, its diameter is greater than the axial other parts of electric machine main shaft 1, and described waterproof jacket 5 inner end surfaces contact with the end face of motor shaft step 9.Motor shaft step 9 has played the effect that makes waterproof jacket 5 axial location, and makes sealing effectiveness better.
Embodiment three:
On the basis of embodiment one and embodiment two, the connection location of related seal ring 4, link gear 3 and nut 2 closes and is among the present invention: described waterproof structure for motor 8 is on described electric machine main shaft 1, from the end direction order of described waterproof jacket 5 to electric machine main shaft 1, be provided with seal ring 4, link gear 3 and nut 2 successively, seal ring 4 and link gear 3 are enclosed within on the electric machine main shaft 1, nut 2 is spun on the screw thread of electric machine main shaft 1, is locked by nut 2.
The actv. waterproof method of this rain shaving electrical machine provided by the present invention, mainly with motor shaft step 9 of rain shaving electrical machine main shaft 1 processing, make it form an attachment face, cooperate waterproof jacket 5, add seal ring 4, nut 2 lockings of link gear 3 will be used for fixing, link gear 3, seal ring 4, waterproof jacket 5 are fixed together, as long as rain shaving electrical machine main shaft 1 drives link gear 3, then seal ring 4, waterproof jacket 5 will be synchronized with the movement, and so just can isolate 1 rainwater that drenches from the rain shaving electrical machine main shaft.
Embodiment four:
On the basis of the foregoing description, motor fixing plate 6 of the present invention is provided with waterproof trepanning 10, and described waterproof jacket 5 passes waterproof trepanning 10, and with waterproof trepanning 10 be free-running fit.The size of its tolerance clearance guarantees that moisture is difficult to enter motor internal, but will guarantee that also waterproof jacket 5 and motor fixing plate 6 can not produce grazing, influence the running of motor.
Embodiment five:
On the basis of the foregoing description, the interior circle of waterproof jacket 5 of the present invention and motor casting body 7 are free-running fit.The size of its tolerance clearance guarantees that moisture is difficult to enter motor internal, but will guarantee that also waterproof jacket 5 and motor fixing plate 6 can not produce grazing, influence the running of motor.
Embodiment six:
As shown in Figure 2, on the basis of the foregoing description, the outer round surface of described waterproof jacket 5 is provided with the waterproof lines 11 that along the circumferential direction distributes.The effect of waterproof lines 11 is when waterproof jacket 5 rotation, stops moisture to flow and moisture is thrown away the outer round surface of waterproof jacket 5 to motor internal.
Embodiment seven:
On the basis of embodiment six, the concrete structure of described waterproof lines 11 is shallow slot or projection.The structure of shallow slot is convenient to processing, but the effect of water dumping is poor slightly; The structure processing of projection is difficulty comparatively, but the effect of dash and water dumping is better.
Embodiment eight:
Circumference on described waterproof lines 11 and waterproof jacket 5 outer round surface forms a bevelled angle, and its bevelled direction is to make moisture break away from the direction of rain shaving electrical machine body.When motor rotates, on waterproof jacket 5 outer round surface bevelled waterproof lines 11 moisture is directed to away from the direction of motor body is the direction up of Fig. 1.
In order to realize the goal of the invention identical with technique scheme, the present invention also provides the waterproof method that this rain shaving electrical machine adopted, this method is by being fixed on the waterproof jacket 5 on the electric machine main shaft 1, pass on the motor fixing plate 6 waterproof trepanning 10 and with its for free-running fit, water and steam are isolated, make it can not enter motor; This method utilization be enclosed within electric machine main shaft 1 and place waterproof jacket 5 and link gear 3 between seal ring 4, play sealing function, make water and steam can not enter motor; This method is by the high speed revolution of waterproof jacket 5, and the waterproof lines 11 on its outside face utilizes centnifugal force that water and water smoke are thrown away motor.
The above waterproof method that provides, multiple mode guarantee that rain shaving electrical machine avoids the infringement of rainwater, and it is more effective and reliable to work.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (5)
1. rain shaving electrical machine, be arranged on the motor fixing plate (6), comprise electric machine main shaft (1), motor casting body (7) and be installed in link gear (3) on the electric machine main shaft (1), described link gear (3) is passed to wiper with the rotation of electric machine main shaft (1), the external part of described electric machine main shaft (1) is provided with the waterproof structure for motor (8) that connects as one with electric machine main shaft (1), this waterproof structure for motor (8) separates link gear (3) and motor, described link gear (3) is outside motor fixing plate (6), and motor is in motor fixing plate (6); Described waterproof structure for motor (8) is provided with the waterproof jacket (5) of a sleeve shaped, the one end is enclosed within on the electric machine main shaft (1), the other end is an opening, towards motor casting body (7), described motor fixing plate (6) is provided with waterproof trepanning (10), described waterproof jacket (5) passes the waterproof trepanning, and with waterproof trepanning (10) be free-running fit; It is characterized in that: the outer round surface of described waterproof jacket (5) is provided with the waterproof lines (11) that along the circumferential direction distributes, described waterproof lines (11) is shallow slot or projection, circumference on described waterproof lines (11) and waterproof jacket (5) outer round surface forms a bevelled angle, and its bevelled direction is to make moisture break away from the direction of rain shaving electrical machine body.
2. according to the described rain shaving electrical machine of claim 1, it is characterized in that: described waterproof structure for motor (8) is in the axial part of described electric machine main shaft (1), if one section motor shaft step (9), its diameter is greater than the axial other parts of electric machine main shaft (1), and described waterproof jacket (5) inner end surface contacts with the end face of motor shaft step (9).
3. according to the described rain shaving electrical machine of claim 2, it is characterized in that: described waterproof structure for motor (8) is on described electric machine main shaft (1), from the end direction order of described waterproof jacket (5) to electric machine main shaft (1), be provided with seal ring (4), link gear (3) and nut (2) successively, seal ring (4) and link gear (3) are enclosed within on the electric machine main shaft (1), nut (2) is spun on the screw thread of electric machine main shaft (1), is locked by nut (2).
4. according to claim 1 or 2 or 3 described rain shaving electrical machines, it is characterized in that: the interior circle of described waterproof jacket (5) and motor casting body (7) are free-running fit.
5. the waterproof method that is adopted according to the described rain shaving electrical machine of claim 1 is characterized in that:
This method is by being fixed on the waterproof jacket (5) on the electric machine main shaft (1), passes the waterproof trepanning (10) on the motor fixing plate (6) and is free-running fit with it, and water and steam are isolated, and makes it can not enter motor;
This method utilization be enclosed within electric machine main shaft (1) and place waterproof jacket (5) and link gear (3) between seal ring (4), play sealing function, make water and steam can not enter motor;
This method is by the high speed revolution of waterproof jacket (5), and the waterproof lines (11) on its outside face utilizes centnifugal force that water and water smoke are thrown away motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101315070A CN101161514B (en) | 2007-08-30 | 2007-08-30 | A rain shaving electrical machine and its water-proof method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101315070A CN101161514B (en) | 2007-08-30 | 2007-08-30 | A rain shaving electrical machine and its water-proof method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101161514A CN101161514A (en) | 2008-04-16 |
| CN101161514B true CN101161514B (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101315070A Expired - Fee Related CN101161514B (en) | 2007-08-30 | 2007-08-30 | A rain shaving electrical machine and its water-proof method |
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| Country | Link |
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| CN (1) | CN101161514B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010044593A1 (en) * | 2010-09-07 | 2012-03-08 | Rolf Strothmann | drive |
| CN108054849B (en) * | 2017-12-19 | 2019-11-05 | 东风汽车集团有限公司 | Preceding wiper motor waterproof and dustproof structure and its connection structure on automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6410849B1 (en) * | 1999-11-11 | 2002-06-25 | Mitsuba Corporation | Drip-proof structure for a wiper motor device |
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2007
- 2007-08-30 CN CN2007101315070A patent/CN101161514B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6410849B1 (en) * | 1999-11-11 | 2002-06-25 | Mitsuba Corporation | Drip-proof structure for a wiper motor device |
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| CN101161514A (en) | 2008-04-16 |
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Granted publication date: 20100616 Termination date: 20210830 |