CN205780789U - A kind of EPB driver reduction box - Google Patents
A kind of EPB driver reduction box Download PDFInfo
- Publication number
- CN205780789U CN205780789U CN201620469955.6U CN201620469955U CN205780789U CN 205780789 U CN205780789 U CN 205780789U CN 201620469955 U CN201620469955 U CN 201620469955U CN 205780789 U CN205780789 U CN 205780789U
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- Prior art keywords
- primary
- gear
- planet
- wheel shaft
- primary planet
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Abstract
This utility model relates to a kind of EPB driver reduction box, including gear ring, primary planet wheel, primary planet carrier, secondary solar gear, secondary planet wheel, secondary planet frame, output spline and fixed mount.This utility model uses PPA material, metal, powder metallurgy structure etc. so that parts of the present utility model have higher precision and intensity, thus improve the intensity that this utility model is overall；Using two-stage planet reducing gear, speed reducing ratio is big, compact conformation；Primary planet carrier adds input sun wheel shaft, improves input sun gear and the accuracy of mesh of primary planet pinion, improve robust motion, reduce work noise.
Description
Technical field
This utility model relates to a kind of decelerator, particularly a kind of EPB driver reduction box.
Background technology
Reduction box plays coupling rotating speed and the effect of transmission torque between prime mover and working machine or actuator,
Modern mechanical is applied extremely wide.Reduction box can be divided into universal reduction box and Special reduction box two by purposes
Big class, both designs, manufacture and handling characteristics are different.Reduction box mainly by driving parts (gear or
Worm screw), axle, bearing, casing and adnexa thereof formed.
The overall structure of existing reduction box is relatively big, connects and more disperses, less reliable, and then causes transmission
Efficiency is low, and speed reducing ratio is limited.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of compact overall structure and outwardly and inwardly
The precision of fixing more reliable, input sun gear and planet gear transmission is high.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is as follows:
A kind of EPB driver reduction box, including gear ring, primary planet wheel, primary planet carrier, two grades of sun
Wheel, secondary planet wheel, secondary planet frame, output spline and fixed mount；Gear ring be provided with primary annulus, two
Level gear ring, bayonet socket, axial restraint frame and input port, primary annulus, secondary gear circle respectively with primary planet wheel,
Secondary planet wheel engagement；Primary planet carrier includes primary planet wheel shaft, input sun wheel shaft, secondary solar gear
With primary planet carrier body, three primary planet wheels are respectively installed on three primary planet wheel shafts, and two grades too
Sun wheel engages with secondary planet wheel, and input sun wheel shaft is connected through input port with outside one-level sun gear；
Secondary planet frame includes secondary planet frame body, output spline and secondary planet wheel shaft, four secondary planet wheels
It is respectively installed on four secondary planet wheel shafts, the position that output spline is connected with secondary planet frame body sets
There is laciniation；Fixed mount is provided with buckle, and gear ring and snaps connection by bayonet socket with fixed mount.
As preferably, bayonet socket and buckle are respectively 3.Have an advantage in that, three fixing points, it is achieved triangle
Fixing so that fixing more reliable.
As preferably, gear ring is made up of PPA material.Have an advantage in that, gear ring as the pedestal of driving parts,
PPA material can provide enough strength and stiffness.
As preferably, secondary solar gear and primary planet carrier body use powder metallurgy processing；Three one-level row
Spider gear shaft is metalwork with input sun wheel shaft, respectively with primary planet carrier body elastic conjunction.Its advantage exists
In, primary planet wheel shaft is fixed as one with primary planet carrier body, can improve input sun gear and one-level
The precision of planet gear transmission, and use powder metallurgy process manufacture so that this part has certain size precision
And can bear stretching, compress, the load such as distortion.
As preferably, output spline is powder metallurgy structure, and secondary planet frame body and secondary planet wheel shaft divide
Not Wei moulding, secondary planet frame body, secondary planet wheel shaft and output spline be fixed as by injection molding manner
Integrally.Having an advantage in that, secondary planet wheel shaft is fixed as one with secondary planet frame body, can improve defeated
Enter the precision of sun gear and secondary planet wheel transmission, and use powder metallurgy process manufacture so that this part has
Have certain size precision and can bear stretching, compress, the load such as distortion.
As preferably, input sun wheel shaft, primary planet wheel shaft and primary planet carrier body pass through injection molding manner
It is fixed as one.Have an advantage in that so that the connection of three is more reliable, and the precision of transmission can be improved.
PPA material described in the utility model refers to polyphthalamide (Polyphthalamide), at height
Under temperature high humidity state, the tensile strength of PPA is higher than nylon 6 by 20%, higher than nylon66 fiber；PPA material curved
Bent modular ratio nylon is high by 20%, and hardness is bigger, is resistant to long tensile creep；And it is the resistance to gasoline of PPA, resistance to
The ability of oils and fats and coolant is also strong than PA；A kind of high temperature resistant nylon, this material can be with resistance to 200 DEG C hold
Continuous high temperature, and good dimensional stability can also be kept.
EPB described in the utility model, full name is Electrical Parking Brake, i.e. electronic parking.
Electronic brake system instead of traditional mechanical lever and tire cable wire, can provide preferably side for driver
Help, replace the electronics manual brake button of conventional whip parking brake the most exactly.It is more safer than traditional pull bar parking brake,
Braking effect will not be changed because of the dynamics of driver, traditional pull bar parking brake become one within reach
Button.This system also releases the space between front row seat, and in most of automobiles, this segment space has it
His purposes.In electronic brake system, brake force scalable, thus with fore-and-aft tilt degree arrange
Demand matches.When automobile starting or acceleration, press the button it and can be automatically releasable pinning brake.
This utility model compared with the existing technology has the following advantages and effect:
1, PPA material, metal, powder metallurgy structure etc. are used due to this utility model so that this practicality is new
The parts of type have higher precision and intensity, thus improve the intensity that this utility model is overall.
2, use by injection molding manner shape all-in-one-piece structure due to this utility model, improve this utility model defeated
Enter the precision of sun gear and planet gear transmission, and make the connection between parts more reliable, carry the most to a certain extent
High moment of torsion.
3, on primary planet carrier, add input sun wheel shaft due to this utility model, improve the input sun
Wheel and the accuracy of mesh of primary planet pinion, improve robust motion, reduce work noise.
4, using two-stage planet reducing gear due to this utility model, speed reducing ratio is big, compact conformation, greatly
The amount new diseases such as PPA effectively reduces system weight, and the material such as PPA has self-lubricating function simultaneously,
Thus reduce the gear friction when motion, improve lifetime of system.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is detonation configuration schematic diagram of the present utility model.
Fig. 2 is the structural representation of this utility model gear ring.
Fig. 3 is the structural representation of this utility model primary planet carrier.
Fig. 4 is the structural representation of this utility model one angle of secondary planet frame.
Fig. 5 is the structural representation of this utility model secondary planet another angle of frame.
Fig. 6 is the structural representation of this utility model output spline.
Label declaration:
1, gear ring 11, primary annulus 12, secondary gear circle
13, bayonet socket 14, axial restraint frame 15, input port
21, primary planet wheel 22, primary planet carrier 221, primary planet wheel shaft
222, input sun wheel shaft 223, secondary solar gear 224, primary planet carrier body
31, secondary planet wheel 32, secondary planet frame 321, secondary planet frame body
322, secondary planet wheel shaft 323, laciniation 4, output spline
5, fixed mount 51, buckle
Detailed description of the invention
Being described in further detail this utility model below in conjunction with embodiment, following example are to this reality
With novel explanation, this utility model is not limited to following example.
Embodiment 1:
As it is shown in figure 1, the present embodiment by a kind of EPB driver reduction box mainly include gear ring 1, one-level row
Star-wheel 21, primary planet carrier 22, secondary solar gear 223, secondary planet wheel 31, secondary planet frame 32, defeated
Go out spline 4 and fixed mount 5.Wherein input port 15 connects outside input gear, this input gear be one-level too
Sun wheel.Fixed mount 5 is provided with buckle 51.
As in figure 2 it is shown, gear ring 1 includes primary annulus 11, secondary gear circle 12, bayonet socket 13, axial restraint frame
14 and input port 15.Wherein, bayonet socket 13, axial restraint frame 14 are separately positioned on the outside of gear ring 1, defeated
Entrance 15 is arranged on gear ring 1 middle position, and secondary gear circle 12 is bigger than the cross-sectional diameter of primary annulus 11.
Gear ring 1 is PPA material, and bayonet socket 13 is matched by the buckle 51 with fixed mount 5, subtracts whole
Speed case assembling is fixing.Primary annulus 11 engages with primary planet wheel 21, and secondary gear circle 12 is taken turns with secondary planet
31 engagements.Axial restraint frame 14 coordinates with outside so that gear-box axial location is fixed.Three bayonet sockets 13
Boss coordinates with outside so that gear-box is radially fixed, and it is fixing to pivot.
As it is shown on figure 3, primary planet carrier 22 mainly include primary planet wheel shaft 221, input sun wheel shaft 222,
Secondary solar gear 223 and primary planet carrier body 224.Three primary planet wheels 21 are respectively installed to three one
On level planet wheel spindle 221, secondary solar gear 223 engages with secondary planet wheel 31.Wherein secondary solar gear 223
Powder metallurgy processing, three primary planet wheel shafts 221 and input sun wheel shaft 222 is used with planet carrier body
For metalwork, it is elastic conjunction with planet carrier body.Input sun wheel shaft 222, planet wheel spindle are with planet carrier originally
Body is fixed as one, and can improve the precision of input sun gear and planet gear transmission.
As Fig. 4 is to shown in 5, and secondary planet frame 32 mainly includes secondary planet frame body 321, output spline
4 and secondary planet wheel shaft 322, four secondary planet wheels 31 are respectively installed to four secondary planet wheel shafts 322
On, the position that output spline 4 is connected with secondary planet frame body 321 is provided with laciniation 323, wherein
Output spline 4 is powder metallurgy structure, and secondary planet frame body 321 and secondary planet wheel shaft 322 are injection
Part, when being molded, puts in mould by the output spline 4 processed so that secondary planet frame 32 becomes
It is integrated.
As shown in Figure 6, for output spline 4 structure, it is provided with laciniation 323, thus ensures output flower
Key 4 and secondary planet frame body 321 strong bonded, and certain moment of torsion can be transmitted.
Reduction box of the present utility model, speed reducing ratio is about about 40.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components
Shape, be named title etc. can be different.All according to structure, feature and the principle described in this utility model inventional idea
The equivalence done or simple change, be all included in the protection domain of this utility model patent.This utility model
Described specific embodiment can be made various amendment or supplement by person of ordinary skill in the field
Or use similar mode to substitute, without departing from structure of the present utility model or surmount the claims
Defined scope, all should belong to protection domain of the present utility model.
Claims (6)
1. an EPB driver reduction box, is characterized in that: include gear ring, primary planet wheel, primary planet
Frame, secondary solar gear, secondary planet wheel, secondary planet frame, output spline and fixed mount；Described gear ring
It is provided with primary annulus, secondary gear circle, bayonet socket, axial restraint frame and input port, primary annulus, secondary gear
Circle engages with primary planet wheel, secondary planet wheel respectively；Described primary planet carrier include primary planet wheel shaft,
Input sun wheel shaft, secondary solar gear and primary planet carrier body, three primary planet wheels are respectively installed to three
On individual primary planet wheel shaft, secondary solar gear engages with secondary planet wheel, and input sun wheel shaft is through input port
It is connected with outside one-level sun gear；Described secondary planet frame includes secondary planet frame body, output spline
With secondary planet wheel shaft, four secondary planet wheels are respectively installed on four secondary planet wheel shafts, export spline
The position being connected with secondary planet frame body is provided with laciniation；Described fixed mount is provided with buckle,
Gear ring and snaps connection by bayonet socket with fixed mount.
A kind of EPB driver reduction box the most according to claim 1, is characterized in that: described bayonet socket
It is respectively 3 with buckle.
A kind of EPB driver reduction box the most according to claim 1, is characterized in that: described gear ring
It is made up of PPA material.
A kind of EPB driver reduction box the most according to claim 1, is characterized in that: described two grades
Sun gear and primary planet carrier body use powder metallurgy processing；Three primary planet wheel shafts and input sun gear
Axle is metalwork, respectively with primary planet carrier body elastic conjunction.
A kind of EPB driver reduction box the most according to claim 1, is characterized in that: described output
Spline is powder metallurgy structure, and secondary planet frame body and secondary planet wheel shaft are respectively moulding, two grades of row
Carrier body, secondary planet wheel shaft and output spline are fixed as one by injection molding manner.
A kind of EPB driver reduction box the most according to claim 1, is characterized in that: described input
Sun wheel shaft, primary planet wheel shaft and primary planet carrier body are fixed as one by injection molding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469955.6U CN205780789U (en) | 2016-05-20 | 2016-05-20 | A kind of EPB driver reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620469955.6U CN205780789U (en) | 2016-05-20 | 2016-05-20 | A kind of EPB driver reduction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780789U true CN205780789U (en) | 2016-12-07 |
Family
ID=58114519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620469955.6U Expired - Fee Related CN205780789U (en) | 2016-05-20 | 2016-05-20 | A kind of EPB driver reduction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780789U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180281A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of split type planet carrier used in rotary digging drill power head torque structure |
| WO2019228100A1 (en) * | 2018-06-01 | 2019-12-05 | 广东肇庆爱龙威机电有限公司 | Planet carrier assembly for vehicle door closing actuator |
| CN113389827A (en) * | 2021-07-13 | 2021-09-14 | 沪帆汽车电子系统有限公司 | Electronic parking brake actuating device |
| US12044293B2 (en) | 2019-09-19 | 2024-07-23 | Guangdong Zhaoqing L&V Co. Ltd. | Planetary gear transmission box |
-
2016
- 2016-05-20 CN CN201620469955.6U patent/CN205780789U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180281A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of split type planet carrier used in rotary digging drill power head torque structure |
| CN108180281B (en) * | 2018-02-27 | 2024-03-08 | 徐州徐工基础工程机械有限公司 | Split type planet carrier adopted in torque increasing structure of power head of rotary drilling rig |
| WO2019228100A1 (en) * | 2018-06-01 | 2019-12-05 | 广东肇庆爱龙威机电有限公司 | Planet carrier assembly for vehicle door closing actuator |
| US11261940B2 (en) | 2018-06-01 | 2022-03-01 | Guangdong Zhaoqing L&V Co. Ltd. | Planet carrier assembly for vehicle door closing actuator |
| US12044293B2 (en) | 2019-09-19 | 2024-07-23 | Guangdong Zhaoqing L&V Co. Ltd. | Planetary gear transmission box |
| CN113389827A (en) * | 2021-07-13 | 2021-09-14 | 沪帆汽车电子系统有限公司 | Electronic parking brake actuating device |
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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: 20161207 |