CN203713861U - Electronic parking actuator of vehicle braking system - Google Patents
Electronic parking actuator of vehicle braking system Download PDFInfo
- Publication number
- CN203713861U CN203713861U CN201320891719.XU CN201320891719U CN203713861U CN 203713861 U CN203713861 U CN 203713861U CN 201320891719 U CN201320891719 U CN 201320891719U CN 203713861 U CN203713861 U CN 203713861U
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- motor
- electronic parking
- parking actuator
- braking system
- outer casing
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Abstract
The utility model discloses an electronic parking actuator of a vehicle braking system. The electronic parking actuator is provided with an outer-layer shell (4), an inner cover (8) and an inner shell (9). The inner cover (8) and the inner shell (9) are arranged in the upper space of an inner cavity of the outer-layer shell (4). The lower portion of a motor (3) is arranged in a cavity of the lower portion of the outer-layer shell (4). A motor transmission mechanism (6) and a planet gear speed reduction mechanism (7) are respectively arranged in a cavity formed by the inner shell (9) and the inner cover (8). By the adoption of the technical scheme, according to the defects in the prior art, the double-layer wall structure, namely the double-layer shell structure is adopted, and the sound insulation effect is much better than that of a solid structure of a single-layer shell, so that the limitation of the mass law is broken through, noise generated in the working process of the electronic parking actuator of the vehicle braking system is effectively reduced, and the vehicle taking comfort level is improved.
Description
Technical field
The utility model belongs to the technical field of car construction, relates to the brake system of vehicle.More particularly, the utility model relates to a kind of motor vehicle braking system electronic parking actuator.
Background technology
Rear clamp Integral electronic Parking Brake, its propulsion source, from motor, need to pass to braking force by driving system the piston of clamp.Braking force, in transmittance process, can make a noise, as: the noise of belt friction; The noise of gear engagement etc.These noises are delivered to operator's compartment by chassis, often have influence on steerman and passenger's traveling comfort.
The actuating unit of drg inevitably produces noise at working process.In order to improve client's comfort level, reduce noise and be the important topic in the technical development of electronic parking system.
The scheme that reduces noise has a lot, comprises damping, sound insulation and sound-absorbing.Damping scheme cost is minimum, and first-selected often, each enterprise of the industry and research institution have all proposed the scheme of oneself.But sound insulation scheme often adopts " individual layer wall construction " in prior art, by a body skin, noise source and accepter are separated, noise is stopped in route of transmission, in the route of transmission of noise, reduce noise emission.The defect of this type of scheme is in order to improve sound transmission loss, only has two schemes, change material and raising thickness.But material is always limited, thickness neither infinitely increase.Therefore, soundproof effect is undesirable.If in order to improve soundproof effect, need to increase the weight of structure, improved cost, but its effect is still not ideal enough.
Utility model content
The utility model provides a kind of motor vehicle braking system electronic parking actuator, its objective is the noise reducing in its working process.
To achieve these goals, the technical scheme that the utility model is taked is:
Motor vehicle braking system electronic parking actuator of the present utility model, comprise motor, motor transmission mechanism, planetary gear reducing mechanism and brake caliper assembly, the power of motor is passed to planetary gear reducing mechanism by motor transmission mechanism, planetary gear reducing mechanism again by transmission of power to brake caliper assembly; The motor shaft of described motor stretches out upward;
Described electronic parking actuator is provided with outer casing, inner cap and inner housing;
Described inner cap and inner housing are arranged in the upper space of inner chamber of outer casing;
The bottom of described motor is arranged in the cavity of outer casing bottom;
Described motor transmission mechanism and planetary gear reducing mechanism are separately positioned in the cavity of inner housing and inner cap formation.
Described outer casing comprises outer upper shell and outer lower house.
Between described motor rear end and outer casing, be provided with lower vibration absorption unit.
Described inner cap is located at the end of inner housing; Described inner housing and inner cap are by being welded into an integral body; Or as a whole by gluing connection; Or compress and eliminate gap by vibration absorption unit; Between described inner cap and outer casing, be provided with vibration absorption unit.
Between described motor rear end and outer casing, be provided with lower vibration absorption unit; Described inner cap is compressed by outer casing, upper vibration absorption unit and lower vibration absorption unit.
In the lower end of described inner housing, the end of described planetary gear reducing mechanism is provided with a ring-like lid; Described ring-like lid and inner housing form one by the mode that compresses or weld, and form a complete sealed cavity with the end pinion carrier output mechanism of planetary gear reducing mechanism.
Described motor transmission mechanism adopts gear drive, and described gear drive adopts spur gear drive; Or employing bevel drive; Or the face of employing gear transmission; Or adopt turbine and worm transmission.
Described motor transmission mechanism adopts belt gear, and described belt gear adopts the transmission of V band; Or adopt polywedge bet transmission; Or employing toothed belt transmission.
The utility model adopts technique scheme, defect for prior art, adopt " double wall " structure, it is the structure of double hull, its soundproof effect is better than the solid construction of single hull greatly, thereby break through the restriction of mass law, effectively reduced motor vehicle braking system electronic parking actuator noise in the course of the work, improved the comfort level of vehicle ride.
Accompanying drawing explanation
The brief description to the mark in accompanying drawing and figure below:
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is motor in Fig. 1 and the schematic perspective view (removing inner and outer shell) of driving system;
Fig. 3 is inner cap in Fig. 1 and the schematic perspective view (removing body skin and upper vibration absorption unit) of inner housing;
Fig. 4 is the schematic perspective view (removing body skin) of the upper vibration absorption unit in Fig. 1;
Fig. 5 is lower vibration absorption unit in the utility model and the schematic perspective view (removing body skin) of ring-like lid;
Fig. 6 is the schematic perspective view (removing outer upper shell) of the outer upper shell in the utility model;
Fig. 7 is the schematic perspective view (comprising outer upper shell and outer lower house) of the utility model complete structure;
Fig. 8 is the schematic diagram (removing body skin) of another version of the present utility model.
In figure, be labeled as:
1, electronic parking actuator, 2, lower vibration absorption unit, 3, motor (and annex), 4, outer casing, 5, upper vibration absorption unit, 6, motor transmission mechanism (being that motor shaft is to the transmission device of planetary wheel main shaft), 7, planetary gear reducing mechanism, 8, inner cap, 9, inner housing, 10, brake caliper assembly, 11, outer upper shell, 12, outer lower house, 13, ring-like lid.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present utility model is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present utility model, technical scheme.
Structure of the present utility model as shown in Figure 1, for a kind of electronic parking actuator 1 for electronic parking braking system of vehicle, comprises motor 3, motor transmission mechanism 6, planetary gear reducing mechanism 7 and brake caliper assembly 10.Planetary gear reducing mechanism 7 is connected with braking during standstill caliper assembly 10.
Engine installation is motor 3, and the motor shaft of described motor 3 stretches out upward.Described motor 3 comprises motor accessories.
Described motor transmission mechanism 6, motor shaft is to the transmission device of planetary wheel main shaft.
The drive path of braking force is:
The power of motor 3 is passed to planetary gear reducing mechanism 7 by motor transmission mechanism 6, planetary gear reducing mechanism 7 again by transmission of power to brake caliper assembly 10, realized the braking during standstill of vehicle.
In order to solve the problem of prior art existence and to overcome its defect, realize the goal of the invention that reduces the noise in electronic parking actuator working process, the technical scheme that the utility model is taked is:
As shown in Figures 1 to 8, motor vehicle braking system electronic parking actuator of the present utility model, described electronic parking actuator 1 is provided with outer casing 4, inner cap 8 and inner housing 9;
Described inner cap 8 and inner housing 9 are arranged in the upper space of inner chamber of outer casing 4;
The bottom of described motor 3 is arranged in the cavity of outer casing 4 bottoms;
Described motor transmission mechanism 6 and planetary gear reducing mechanism 7 are separately positioned in the cavity of inner housing 9 and inner cap 8 formation.
Technique scheme of the present utility model is the acoustic construction that adopts double hull.By upper and lower body skin and inner cap and the double-deck acoustic construction of inner housing assembly.The single layer structure soundproof effect that double-layer shell structure weight/power ratio is equal is better.Its major cause is owing to existing air layer between double hull, when one deck housing is to being subject to sound wave excited vibrational to play buffer action or additional sound absorption, make acoustic energy obtain very large decay, pass to again afterwards on the surface of second layer housing structure, again play buffer action or additional sound absorption, so total defening effect has just improved greatly.
Described inner housing 9 coordinates with inner cap 8 relative sealing of epicoele forming, and parcel motor shaft is to the transmission device of planetary wheel main shaft, and motor transmission mechanism 6.The blind hole of inner housing 9 and inner cap 8 opposite positions can provide support spacingly for transmission device rotational parts axle, guarantees width between centers, and the cavity forming can hinder the noise that transmission device motion produces and spreads out of.
Described inner housing 9 and the arrangement form of inner cap 8 a kind of form (Fig. 4 to Fig. 8 also belongs to this form) as shown in Figure 2 and Figure 3; And another form shown in Fig. 8.
Wherein, in form shown in Fig. 2, Fig. 3, inner cap 8 only has half size of inner housing 9 horizontal areas.
In form shown in Fig. 8, inner cap 8 has the size of whole inner housing 9 axial area.
As shown in Figure 6 and Figure 7:
Described outer casing 4 is divided into outer upper shell 11 and outer lower house 12.
By outer upper shell 11, outer lower house 12, and inner cap 8, inner housing 9 forms double-deck acoustic construction.
As shown in Figure 4 and Figure 5:
Between described motor rear end and outer casing 4, be provided with lower vibration absorption unit 2.Described inner cap 8 is located at the end of inner housing 9; Inner housing 9 can be by being welded into an integral body with inner cap 8.
Inner housing 9 is pressed together by outer casing 4 and upper and lower vibration absorption unit with inner cap 8.
Between described inner cap 8 and outer casing 4, be provided with vibration absorption unit 5.
Between described motor rear end and outer casing 4, be provided with lower vibration absorption unit 2; Described inner cap 8 can also pass through outer casing 4, upper vibration absorption unit 5 and lower vibration absorption unit 2 by its compression.
Described upper vibration absorption unit 5 and lower vibration absorption unit 2 be arranged in inner housing 9 above and motor 3 below, make inner Transmission and strut member thereof to outer casing in a flexible connection.By upper and lower vibration absorption unit, motor and transmission device are carried out to damping.
As shown in Figure 5 and Figure 8:
In the lower end of described inner housing 9, the end of described planetary gear reducing mechanism 7 is provided with a ring-like lid 13; Described ring-like lid 13 forms one with inner housing 9 by the mode that compresses or weld, and forms a complete sealed cavity with the end pinion carrier output mechanism of planetary gear reducing mechanism 7, and the transmission of the parts such as internal planetary gear is carried out to deadening.
Described motor transmission mechanism 6, motor shaft is belt-driving or gear transmission to the transmission device of planetary wheel main shaft:
1, described motor transmission mechanism 6 adopts gear drive, and Fig. 1 to Fig. 7 is this type of belt drive.
Gear transmission can adopt the type of belt drive such as cylindrical wheel, finishing bevel gear cuter, face gear, turbine and worm.
Adopt gear drive, its transmitting ratio is comparatively accurate, but noise is larger, and structure is also comparatively complicated.
2, described motor transmission mechanism 6 adopts belt gear, and Fig. 8 is this type of belt drive.
Belt-driving can adopt the type of drive such as V band, polywedge bet, Timing Belt.
Adopt belt gear, simple in structure, noise is less, and still, belt easily elongates, damages, and affects transmission.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. a motor vehicle braking system electronic parking actuator, comprise motor (3), motor transmission mechanism (6), planetary gear reducing mechanism (7) and brake caliper assembly (10), the power of described motor (3) is passed to planetary gear reducing mechanism (7) by motor transmission mechanism (6), planetary gear reducing mechanism (7) again by transmission of power to brake caliper assembly (10); The motor shaft of described motor (3) stretches out upward;
It is characterized in that:
Described electronic parking actuator (1) is provided with outer casing (4), inner cap (8) and inner housing (9);
Described inner cap (8) and inner housing (9) are arranged in the upper space of inner chamber of outer casing (4);
The bottom of described motor (3) is arranged in the cavity of outer casing (4) bottom;
Described motor transmission mechanism (6) and planetary gear reducing mechanism (7) are separately positioned in the cavity of inner housing (9) and inner cap (8) formation.
2. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: described inner cap (8) is located at the end of inner housing (9); Between described inner cap (8) and outer casing (4), be provided with vibration absorption unit (5); Between described motor rear end and outer casing (4), be provided with lower vibration absorption unit (2); Described inner cap (8) passes through outer casing (4), upper vibration absorption unit (5) and lower vibration absorption unit (2) by its compression.
3. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: in the lower end of described inner housing (9), the end of described planetary gear reducing mechanism (7) is provided with a ring-like lid (13); Described ring-like lid (13) and inner housing (9) form one by the mode that compresses or weld, and form a complete sealed cavity with the end pinion carrier output mechanism of planetary gear reducing mechanism (7).
4. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: described outer casing (4) comprises outer upper shell (11) and outer lower house (12).
5. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: between described motor rear end and outer casing (4), be provided with lower vibration absorption unit (2).
6. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: described inner cap (8) is located at the end of inner housing (9); Described inner housing (9) and inner cap (8) are by being welded into an integral body; Or as a whole by gluing connection; Or compress and eliminate gap by vibration absorption unit (5); Between described inner cap (8) and outer casing (4), be provided with vibration absorption unit (5).
7. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: described motor transmission mechanism (6) adopts gear drive, described gear drive adopts spur gear drive; Or employing bevel drive; Or the face of employing gear transmission; Or adopt turbine and worm transmission.
8. according to motor vehicle braking system electronic parking actuator claimed in claim 1, it is characterized in that: described motor transmission mechanism (6) adopts belt gear, described belt gear adopts the transmission of V band; Or adopt polywedge bet transmission; Or employing toothed belt transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891719.XU CN203713861U (en) | 2013-12-31 | 2013-12-31 | Electronic parking actuator of vehicle braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891719.XU CN203713861U (en) | 2013-12-31 | 2013-12-31 | Electronic parking actuator of vehicle braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713861U true CN203713861U (en) | 2014-07-16 |
Family
ID=51153040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891719.XU Withdrawn - After Issue CN203713861U (en) | 2013-12-31 | 2013-12-31 | Electronic parking actuator of vehicle braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738336A (en) * | 2013-12-31 | 2014-04-23 | 芜湖伯特利汽车安全***有限公司 | Electronic parking actuator for vehicle brake system |
| CN107107898A (en) * | 2014-10-27 | 2017-08-29 | 卢卡斯汽车股份有限公司 | Electromechanical braking actuator and the sub-component for it |
-
2013
- 2013-12-31 CN CN201320891719.XU patent/CN203713861U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738336A (en) * | 2013-12-31 | 2014-04-23 | 芜湖伯特利汽车安全***有限公司 | Electronic parking actuator for vehicle brake system |
| CN103738336B (en) * | 2013-12-31 | 2016-07-06 | 芜湖伯特利汽车安全***股份有限公司 | A kind of motor vehicle braking system electronic parking actuator |
| CN107107898A (en) * | 2014-10-27 | 2017-08-29 | 卢卡斯汽车股份有限公司 | Electromechanical braking actuator and the sub-component for it |
| US10626938B2 (en) | 2014-10-27 | 2020-04-21 | Lucas Automotive Gmbh | Electromechanical brake actuator, and subassembly therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee after: WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: Wuhu Bethel Automotive Secure Systems Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |