CN103618405A - Shock-resistant cranking motor for automobile - Google Patents
Shock-resistant cranking motor for automobile Download PDFInfo
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- CN103618405A CN103618405A CN201310646151.XA CN201310646151A CN103618405A CN 103618405 A CN103618405 A CN 103618405A CN 201310646151 A CN201310646151 A CN 201310646151A CN 103618405 A CN103618405 A CN 103618405A
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- internal gear
- damping block
- gear
- rear end
- actuating motor
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Abstract
The invention discloses a shock-resistant cranking motor for an automobile. A gear base (7) is installed at the rear end of a reducer output shaft (6) in a sleeved mode. An internal gear (8) and a cover plate (9) are arranged on the back of the gear base (7). The internal gear (8) and a planetary gear (10) in the internal gear (8) are meshed. The periphery of the internal gear (8) is provided with a plurality of vibration reduction blocks (11) uniformly distributed along the circumference. The inner surfaces of the vibration reduction blocks (11) are closely attached to the outer circumferential face of the internal gear (8). The outer surfaces of the vibration reduction blocks (11) are attached to the inner wall of the case (1). The front end faces of the vibration reduction blocks (11) are attached to the gear base (7), and the rear end faces of the vibration reduction blocks (11) are attached to the cover plate (9). The shock-resistant cranking motor can effectively absorb the impact load of an engine, on one hand, failure of rotation stressing parts of a cranking motor is avoided, and the reliability of the cranking motor is ensured; on the other hand, the cranking motor works and operates stably, vibration is small, the work noise is lowered, and the use comfort of products is greatly improved.
Description
Technical field
The invention belongs to technical field of motors, specifically, particularly a kind of automobile shock resistance actuating motor.
Background technology
Actuating motor is a vitals on automobile, and its function is the engine of start-uping a car, and by actuating motor outputting power, makes engine from static entry into service.
The basic functional principle of automobile starting motor is to supply with the large electric current of actuating motor by storage battery, actuating motor converts electrical energy into mechanical energy, the one-way clutch of actuating motor drives engine flywheel rotation, until engine ignition normally moves, the power-off of actuating motor assembly electromagnetic switch, isolator exits under the effect of shift fork, gets back to initial position.
Engine torque is larger, take 1.5L petrol engine as example, and the frictional resistance moment under 20 ℃ of states of normal temperature is 35N.m left and right; Frictional resistance moment under ℃ state of low-temperature condition-30 is larger, is about 90N.m left and right.Actuating motor must be exported the moment of torsion that ratio engine frictional resistance moment is larger just can drag engine rotation, and will arrive 90 revs/min of above rotating speeds, and engine could start.Because engine moment of torsion in start-up course is constantly to change, so actuating motor load also changes, and actuating motor is in work engineering, and what bear is to impact larger steady load.
In existing structure, the general mode of hard location that adopts of internal gear of the inner speed reducer assembly of actuating motor rear end is fixed, actuating motor is in the process of piloting engine, the impulsive force of engine can directly be loaded on internal gear, can affect actuating motor work traveling comfort so on the one hand, increase vibration and the work noise of actuating motor, reduce the comfortableness that product is used; On the other hand, obtain larger speed reducing ratio, internal gear can only adopt the little modulus tooth of plastic material, fine module gear is subject to the restriction of self structure, the load that can bear is limited, and when engine operating condition is poor, the tooth that easily causes internal gear ruptures because of the load that can not withstand shocks, thereby cause actuating motor to lose efficacy, fail to start engine.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automobile that can absorb impulse force power shock resistance actuating motor.
Technical scheme of the present invention is as follows: a kind of automobile shock resistance actuating motor, front end at housing (1) is installed front end housing (2), rear end cap (3) is installed in rear end, and field frame assembly (4) and rotor assembly (5) be set in the inside of housing (1), the place ahead of described rotor assembly (5) has reducer output shaft (6), the rear end set gear seat (7) of this reducer output shaft (6), internal gear (8) and cover plate (9) are set at the rear of described pinion stand (7), planetary gear (10) engagement that described internal gear (8) is inner with it, this planetary gear (10) is installed on the formed planet carrier in reducer output shaft (6) rear end, its key is: at described internal gear (8) outer, be arranged with a plurality of damping blocks (11) that distribute by even circumferential, the outer circumference surface of the inner surface of this damping block (11) and internal gear (8) is close to, the inwall of the outer surface of damping block (11) and housing (1) is close to, the front end face of damping block (11) and pinion stand (7) recline, the rear end face of damping block (11) and cover plate (9) recline.
The present invention arranges a plurality of damping blocks that distribute by even circumferential in the periphery of internal gear, internal gear contacts with housing, pinion stand and cover plate by damping block, float in the location of internal gear, when internal gear rotates, can automatic aligning, until best engagement can guarantee that the transmission efficiency of gear is the highest like this.Actuating motor is in the process of piloting engine, when the impulsive force of engine is delivered to internal gear by reducer output shaft, internal gear is delivered to impulsive force on damping block, damping block is by plastic deformation, impulsive force is absorbed, and according to varying in size of impacting, damping block deflection is not identical yet.As can be seen here, the present invention can absorb the impact load of engine, avoids actuating motor to rotate stressed parts and loses efficacy, and guarantees the reliability of actuating motor; Meanwhile, actuating motor work operates steadily, and vibrates littlely, and work noise reduces, and has greatly promoted the comfortableness that product is used.
It is upper that the square hole that described damping block (11) is offered by center is set in reference column (12), and this reference column (12) is vertically fixed on the outer circumference surface of internal gear (8).Above structure can facilitate damping block to install on the one hand, guarantees that damping block connects firm; On the other hand, damping block coordinates with square reference column by square hole, can effectively prevent that damping block from rotating, thereby has further improved the reliability of damping block work.
As preferably, the number of described damping block (11) is 3.
Described damping block is made by hydrogenated nitrile-butadiene rubber, and so not only selection is convenient, and cost is low, and oil resistance, heat resistance are good, and intensity is high, and anti-wear performance is excellent, long service life.
Described internal gear (8) is made by grinding metallurgy, is easy to like this processing and fabricating, and production cost is low, and intensity is reliable, can effectively prevent tooth generation fracture damage.
Beneficial effect: the present invention, by internal gear being changed into the location of floating, can effectively absorb the impact load of engine, has avoided on the one hand actuating motor to rotate stressed parts and had lost efficacy, and has guaranteed the reliability of actuating motor; On the other hand, actuating motor work operates steadily, and vibrates littlely, and work noise reduces, and has greatly promoted the comfortableness that product is used.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the assembling schematic diagram of damping block.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1 and Figure 2, at the front end fixed installation front end housing 2 of housing 1, the rear end fixed installation rear end cap 3 of housing 1, and field frame assembly 4 and rotor assembly 5 are set in the inside of housing 1, rotor assembly 5 is surrounded on the outside of field frame assembly 4.In the place ahead of described rotor assembly 5, have reducer output shaft 6, this reducer output shaft 6 is positioned at front end housing 2, and the axis of the axis of reducer output shaft 6 and rotor assembly 5 point-blank.The rear end set gear seat 7 of described reducer output shaft 6, the rear of this pinion stand 7 arranges internal gear 8 and cover plate 9, and internal gear 8 is between pinion stand 7 and cover plate 9.Described internal gear 8 and its inner a plurality of planetary gears 10 engagements of pressing even circumferential distribution, these planetary gears 10 are looped around the outside of sun gear, and sun gear is arranged in the rotating shaft of rotor assembly 5.Described planetary gear 10 is set in corresponding planet axis, and planet axis is installed on the reducer output shaft 6 formed planet carriers in rear end,
As shown in Figure 1 and Figure 2, internal gear 8 is made by grinding metallurgy, at internal gear 8 outer, is arranged with a plurality of damping blocks 11 that distribute by even circumferential, and number the present embodiment of damping block 11 is preferably 3.Described damping block 11 is fan-shaped, and is made by hydrogenated nitrile-butadiene rubber.The square hole that damping block 11 is offered by center is set on square reference column 12, and this reference column 12 is vertically fixed on the outer circumference surface of internal gear 8.The outer circumference surface of the inner surface of described damping block 11 and internal gear 8 is close to, and the inwall of the outer surface of damping block 11 and housing 1 is close to, and the front end face of damping block 11 and pinion stand 7 recline, and the rear end face of damping block 11 and cover plate 9 recline.
The part that the present invention does not describe is same as the prior art, and therefore not to repeat here.
Claims (5)
1. an automobile shock resistance actuating motor, front end at housing (1) is installed front end housing (2), rear end cap (3) is installed in rear end, and field frame assembly (4) and rotor assembly (5) be set in the inside of housing (1), the place ahead of described rotor assembly (5) has reducer output shaft (6), the rear end set gear seat (7) of this reducer output shaft (6), internal gear (8) and cover plate (9) are set at the rear of described pinion stand (7), planetary gear (10) engagement that described internal gear (8) is inner with it, this planetary gear (10) is installed on the formed planet carrier in reducer output shaft (6) rear end, it is characterized in that: at described internal gear (8) outer, be arranged with a plurality of damping blocks (11) that distribute by even circumferential, the outer circumference surface of the inner surface of this damping block (11) and internal gear (8) is close to, the inwall of the outer surface of damping block (11) and housing (1) is close to, the front end face of damping block (11) and pinion stand (7) recline, the rear end face of damping block (11) and cover plate (9) recline.
2. automobile according to claim 1 shock resistance actuating motor, is characterized in that: it is upper that the square hole that described damping block (11) is offered by center is set in reference column (12), and this reference column (12) is vertically fixed on the outer circumference surface of internal gear (8).
3. automobile according to claim 1 and 2 shock resistance actuating motor, is characterized in that: the number of described damping block (11) is 3.
4. automobile according to claim 1 shock resistance actuating motor, is characterized in that: described damping block is made by hydrogenated nitrile-butadiene rubber.
5. according to the automobile shock resistance actuating motor described in claim 1 or 2 or 4, it is characterized in that: described internal gear (8) is made by grinding metallurgy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646151.XA CN103618405A (en) | 2013-12-04 | 2013-12-04 | Shock-resistant cranking motor for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646151.XA CN103618405A (en) | 2013-12-04 | 2013-12-04 | Shock-resistant cranking motor for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103618405A true CN103618405A (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310646151.XA Pending CN103618405A (en) | 2013-12-04 | 2013-12-04 | Shock-resistant cranking motor for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103618405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465764A (en) * | 2017-12-18 | 2020-07-28 | 三菱电机株式会社 | Starter for internal combustion engine |
| CN112728014A (en) * | 2020-12-25 | 2021-04-30 | 杭州宇树科技有限公司 | Overload impact resistant planetary reducer, robot joint and quadruped robot |
| CN114704595A (en) * | 2022-02-16 | 2022-07-05 | 青岛海力达齿轮箱有限公司 | Speed reducing device and method for slewing mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561316A (en) * | 1982-07-10 | 1985-12-31 | Robert Bosch Gmbh | Starter for internal combustion engines |
| US5323663A (en) * | 1991-08-22 | 1994-06-28 | Nippondenso Co., Ltd. | Starter |
| CN102226463A (en) * | 2011-05-25 | 2011-10-26 | 深圳市琛玛华夏科技有限公司 | Novel speed reducer and speed reduction motor |
| CN203617833U (en) * | 2013-12-04 | 2014-05-28 | 重庆博耐特实业（集团）有限公司 | Novel impact-resistant automobile starting motor |
-
2013
- 2013-12-04 CN CN201310646151.XA patent/CN103618405A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561316A (en) * | 1982-07-10 | 1985-12-31 | Robert Bosch Gmbh | Starter for internal combustion engines |
| US5323663A (en) * | 1991-08-22 | 1994-06-28 | Nippondenso Co., Ltd. | Starter |
| CN102226463A (en) * | 2011-05-25 | 2011-10-26 | 深圳市琛玛华夏科技有限公司 | Novel speed reducer and speed reduction motor |
| CN203617833U (en) * | 2013-12-04 | 2014-05-28 | 重庆博耐特实业（集团）有限公司 | Novel impact-resistant automobile starting motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465764A (en) * | 2017-12-18 | 2020-07-28 | 三菱电机株式会社 | Starter for internal combustion engine |
| CN111465764B (en) * | 2017-12-18 | 2021-12-10 | 三菱电机株式会社 | Starter for internal combustion engine |
| CN112728014A (en) * | 2020-12-25 | 2021-04-30 | 杭州宇树科技有限公司 | Overload impact resistant planetary reducer, robot joint and quadruped robot |
| WO2022135078A1 (en) * | 2020-12-25 | 2022-06-30 | 杭州宇树科技有限公司 | Overload impact-resistant planetary reducer, robot joint, and quadruped robot |
| CN114704595A (en) * | 2022-02-16 | 2022-07-05 | 青岛海力达齿轮箱有限公司 | Speed reducing device and method for slewing mechanism |
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Application publication date: 20140305 |