CN216715049U - Horizontal formula MGU - Google Patents
Horizontal formula MGU Download PDFInfo
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- CN216715049U CN216715049U CN202122655207.0U CN202122655207U CN216715049U CN 216715049 U CN216715049 U CN 216715049U CN 202122655207 U CN202122655207 U CN 202122655207U CN 216715049 U CN216715049 U CN 216715049U
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- worm wheel
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Abstract
The utility model relates to the field of electronic parking, and discloses a transverse MGU (media gateway unit), which comprises a shell (1), wherein a motor chamber (2), a worm chamber (3) and a worm gear chamber (4) are arranged in the shell (1), the worm chamber (3) and the motor chamber (2) are coaxially arranged, the worm chamber (3) is communicated with the motor chamber (2), a bearing chamber (5) is arranged at the other end of the worm chamber (3), the worm chamber (3) is communicated with the worm gear chamber (4), a meshing area (7) is formed at the joint of the worm chamber (3) and the worm gear chamber (4), and the motor chamber (2) and the worm chamber (3) are arranged in the horizontal direction; the lower end of the worm wheel chamber (4) is provided with an output port (8) for outputting the worm wheel (13). The MGU has the advantages of small occupied space, high transmission efficiency and the like.
Description
Technical Field
The utility model relates to an automotive electronics parking field especially relates to a horizontal formula MGU.
Background
The conventional EPB actuator and caliper integrated electronic parking brake system adopts single-piston cast iron calipers and a single MGU (motor gear unit) to realize a parking function, the conventional MGU adopts a belt type structure and a secondary planetary gear, a motor is longitudinally arranged, a screw sleeve adopts single-head thread transmission, a transmission mechanism is complex, the efficiency is low, the response time is long, the weight is heavy, the parking force is small, the noise is high, the conventional system cannot meet the vehicle type with a large braking force demand, and the high requirement on low noise and comfort level of a new energy vehicle cannot be met; the requirement of having a more compact and light structure cannot be met; the existing market structure has large layout space limit and high cost, so the application range of the EPB of the existing single-piston cast iron calipers and single MGU (single-piston drive) calipers is limited. The existing MGU has the defects of large mass, complex transmission structure, low transmission efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a horizontal MGU aiming at the defects of the prior art.
In order to solve the technical problem, the utility model is solved by the following technical scheme:
a transverse MGU comprises a shell, wherein a motor chamber, a worm chamber and a worm wheel chamber are arranged in the shell, the worm chamber and the motor chamber are arranged coaxially, the worm chamber is communicated with the motor chamber, a bearing chamber is arranged at the other end of the worm chamber, the worm chamber is communicated with the worm wheel chamber, a meshing area is formed at the joint of the worm chamber and the worm wheel chamber, and the motor chamber and the worm wheel chamber are arranged in the horizontal direction; the lower end of the worm wheel chamber is provided with an output port for outputting a worm wheel.
Preferably, the housing is provided with a mounting cavity for assembling with the caliper at a lower portion of the worm wheel chamber bottom plate.
Preferably, the top plate of the mounting cavity is a bottom plate of the worm wheel chamber, and a reinforcing rib structure is arranged on the top surface of the mounting cavity.
Preferably, a driving motor is horizontally placed in the motor chamber, and a connecting chamber is arranged at the joint of the worm chamber and the motor chamber and is used for supporting the connection between the worm and the output end of the driving motor; the worm chamber is internally provided with a worm, the worm is connected with the output end of the driving motor at a connecting chamber, and the other end of the worm is connected with a bearing seat arranged in the bearing chamber.
As preferred, the middle part of worm wheel room is provided with the delivery outlet, installs the worm wheel in the worm wheel room, and the middle part downside of worm wheel is provided with first position sleeve, and first position sleeve is pegged graft in the delivery outlet, and first position sleeve can be at the delivery outlet internal rotation, and the middle part of first position sleeve is provided with spacing hole, and spacing hole runs through the middle part of worm wheel, still includes the driving pin, and the upper portion of driving pin is pegged graft at spacing downthehole, and the lower extreme stretches out the outside at the worm wheel room in the delivery outlet.
Preferably, guide sleeves are arranged on the inner side and the outer side of the output port, the guide sleeves and the shell are integrally formed, insertion holes coaxial with the output port are formed in the middle of the guide sleeves, the first positioning sleeve is inserted into the guide sleeve, and the worm wheel is supported on the upper end face of the inner guide sleeve.
Preferably, the upper side of the middle part of the worm wheel is provided with a second positioning sleeve, and the gap between the upper end surface of the second positioning sleeve and the upper end surface of the worm wheel cavity is 0-5 mm.
Preferably, the holes in the middle of the second positioning sleeve and the first positioning sleeve are communicated to form a positioning channel, a limiting groove is formed in the positioning channel, limiting teeth matched with the limiting groove are arranged on the transmission pin, and the transmission pin is circumferentially limited with the worm wheel through the matching of the limiting teeth and the limiting groove.
Preferably, the driving pin comprises an upper limit tooth part, a lower spline part and a round shaft part connected between the limit tooth part and the spline part; the middle part of the driving pin is in interference fit with the inner wall of the positioning channel.
Preferably, the shell comprises an upper shell and a lower shell, and the motor chamber, the worm wheel chamber and the bearing chamber are formed by assembling groove bodies arranged in the upper shell and the lower shell.
Through the technical scheme, the utility model has the following technical effects:
this scheme has designed a horizontal formula MGU, and compact structure not only arranges the convenience, and transmission efficiency is higher, and the noise is low, and the lightweight can also reduce this by a wide margin.
Drawings
Fig. 1 is a schematic view of the overall structure of the device.
Fig. 2 is a schematic structural diagram of the upper shell.
Fig. 3 is a schematic view of the lower housing structure.
FIG. 4 is a schematic view of the interior of the worm gear assembly with the housing and drive pin.
Fig. 5 is an internal schematic view of the motor and worm gear assembly.
Fig. 6 is a schematic perspective view of the motor and worm gear assembly.
Fig. 7 is a schematic view of a drive pin configuration.
The names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a shell 1, a shell 2, a motor chamber 3, a worm chamber 4, a worm wheel chamber 5, a bearing chamber 6, a connecting chamber 7, a meshing area 8, an output port 9, an installation cavity 10, a bottom plate 11, a reinforcing rib 12, a driving motor 13, a worm wheel 14, a worm 15, a bearing seat 17, a first positioning sleeve 20, a second positioning sleeve 21, a driving pin 22, a guide sleeve 22, a limiting hole 23, a positioning channel 24, a limiting tooth 25, a limiting groove 26, a spline 27, a circumference 28, an upper shell 29 and a lower shell 30.
Detailed Description
The utility model is described in further detail below with reference to the figures and examples.
Example 1
A transverse MGU comprises a shell 1, wherein a motor chamber 2, a worm chamber 3 and a worm wheel chamber 4 are arranged in the shell 1, the worm chamber 3 and the motor chamber 2 are coaxially arranged, the worm chamber 3 is communicated with the motor chamber 2, a bearing chamber 5 is arranged at the other end of the worm chamber 3, the worm chamber 3 is communicated with the worm wheel chamber 4, a meshing area 7 is formed at the joint of the worm chamber 3 and the worm wheel chamber 4, and the motor chamber 2 and the worm chamber 3 are arranged in the horizontal direction; the lower end of the worm wheel chamber 4 is provided with an output port 8 for the output of the worm wheel 13. Whole MGU motor is the horizontal direction and arranges, does not need middle drive mechanism to carry out the transmission, so transmission efficiency is higher, need not adopt middle driving medium to carry out the transmission simultaneously, so the structure is simpler, and the fault rate is lower.
In this embodiment, the housing 1 is provided with a mounting cavity 9 for assembling with a caliper at a lower portion of a bottom plate 10 of the worm wheel chamber 4. The mounting cavity 9 is used for mounting the calipers and limiting the calipers.
In this embodiment, the top plate of the installation cavity 9 is a bottom plate 10 of the worm wheel chamber 4, and a structure of a reinforcing rib 11 is arranged on the top surface of the installation cavity 9. The structure of the reinforcing rib 11 in this embodiment is spoke-shaped, and the spoke-shaped reinforcing rib 11 has the advantages of reliable support, small occupied space and the like.
In this embodiment, since the motor chamber 2 is horizontally disposed, the motor of the motor chamber 2 is horizontally disposed. A driving motor 12 is horizontally arranged in the motor chamber 2, and a connecting chamber 6 for supporting the output ends of the worm 14 and the driving motor 12 is arranged at the joint of the worm chamber 3 and the motor chamber 2; both ends of the worm 14 are supported by the bearing chamber 5 and the connecting chamber 6, respectively. The worm chamber 3 is internally provided with a worm 14, the worm 14 is connected with the output end of the driving motor 12 at the connecting chamber 6, and the other end of the worm 14 is connected with a bearing seat 15 arranged in the bearing chamber 5.
In this embodiment, the middle part of worm wheel room 4 is provided with delivery outlet 8, install worm wheel 13 in the worm wheel room 4, the middle part downside of worm wheel 13 is provided with first position sleeve 17, first position sleeve 17 is pegged graft in delivery outlet 8, first position sleeve 17 can be at 8 internal rotations in delivery outlet, the middle part of first position sleeve 17 is provided with spacing hole 23, spacing hole 23 runs through the middle part of worm wheel 13, still include driving pin 21, the upper portion of driving pin 21 is pegged graft in spacing hole 23, the lower extreme stretches out in worm wheel room 4's outside from delivery outlet 8.
In this embodiment, the guide sleeves 22 are disposed on the inner side and the outer side of the output port 8, the guide sleeves 22 and the housing 1 are integrally formed, the middle of the guide sleeve 22 is provided with a jack coaxial with the output port 8, the first positioning sleeve 17 is inserted into the guide sleeve 22, and the worm wheel 13 is supported on the upper end surface of the inner guide sleeve 22. The upper side in the middle part of worm wheel 13 is provided with second position sleeve 20, and the clearance between second position sleeve 20 up end and the worm wheel 13 chamber up end is 0mm ~ 5 mm.
In this embodiment, the holes in the middle of the second positioning sleeve 20 and the first positioning sleeve 17 are communicated to form a positioning channel 24, a limiting groove 26 is arranged in the positioning channel 24, a limiting tooth 25 matched with the limiting groove 26 is arranged on the transmission pin 21, and the transmission pin 21 is circumferentially limited with the worm wheel 13 through the matching of the limiting tooth 25 and the limiting groove 26.
In this embodiment, the driving pin 21 includes a limiting tooth 25 portion at the upper end, a spline portion 27 at the lower end, and a circular shaft portion connected between the limiting tooth 25 portion and the spline portion 27; the middle of the drive pin 21 is in interference fit with the inner wall of the positioning channel 24. The spline part 27 in the embodiment extends out of the worm wheel chamber 4, and the specific spline part 27 extends into the mounting cavity 9 for matching with the clamp body.
In order to realize installation, the housing 1 in the embodiment comprises an upper housing 29 and a lower housing 30, and the motor chamber 2, the worm chamber 3, the worm wheel chamber 4 and the bearing chamber 5 are assembled by groove bodies arranged inside the upper housing 29 and the lower housing 30. When the motor, the worm wheel 13, the worm 14, the bearing seat 15 and other parts are installed in the lower shell 30, and then the upper cover is covered, so that the positioning of the parts is realized, and the assembly is completed.
During operation, only need the starter motor, the motor can drive worm wheel 13 worm 14 and rotate, and worm wheel 13 will transmit to calliper through drive pin 21, and calliper work.
This scheme has designed a horizontal formula MGU, and compact structure not only arranges the convenience, and transmission efficiency is higher, and the noise is low, and the lightweight can also reduce this by a wide margin.
Example 2
This embodiment is different from embodiment 1 in that: the top of the worm wheel chamber 4 of the upper housing 291 is provided with a positioning groove for positioning the worm wheel 13, and the second positioning sleeve 20 is installed in the positioning groove and can rotate in the positioning groove.
Example 3
This embodiment is different from embodiment 1 in that: the outer side of the mounting cavity 9 is provided with a fixing lug which is fixed with the clamp body through a bolt, so that the MGU is fixedly connected with the clamp body.
Claims (10)
1. A transverse MGU comprises a shell, wherein a motor chamber, a worm chamber and a worm wheel chamber are arranged in the shell, the worm chamber and the motor chamber are arranged coaxially, the worm chamber is communicated with the motor chamber, a bearing chamber is arranged at the other end of the worm chamber, the worm chamber is communicated with the worm wheel chamber, a meshing area is formed at the joint of the worm chamber and the worm wheel chamber, and the motor chamber and the worm wheel chamber are arranged in the horizontal direction; the lower end of the worm wheel chamber is provided with an output port for outputting a worm wheel.
2. The transverse MGU as recited in claim 1, wherein: the shell is provided with a mounting cavity for assembling with the caliper at the lower part of the bottom plate of the worm wheel chamber.
3. The transverse MGU as recited in claim 2, wherein: the roof of installation cavity is the bottom plate of worm wheel room, is provided with the strengthening rib structure on the top surface of installation cavity.
4. The transverse MGU as recited in claim 1, wherein: a driving motor is horizontally placed in the motor chamber, and a connecting chamber is arranged at the joint of the worm chamber and the motor chamber and is used for supporting the connection between the worm and the output end of the driving motor; the worm chamber is internally provided with a worm, the worm is connected with the output end of the driving motor at a connecting chamber, and the other end of the worm is connected with a bearing seat arranged in the bearing chamber.
5. The transverse MGU of claim 4, wherein: the middle part of worm wheel room is provided with the delivery outlet, installs the worm wheel in the worm wheel room, and the middle part downside of worm wheel is provided with first position sleeve, and first position sleeve pegs graft in the delivery outlet, and first position sleeve can be at the delivery outlet internal rotation, and the middle part of first position sleeve is provided with spacing hole, and the middle part of worm wheel is run through in spacing hole, still includes the driving pin, and the upper portion of driving pin is pegged graft in spacing hole, and the lower extreme stretches out in the outside of worm wheel room from the delivery outlet.
6. The transverse MGU of claim 5, wherein: the inner side and the outer side of the output port are both provided with guide sleeves, the guide sleeves and the shell are integrally formed, the middle parts of the guide sleeves are provided with jacks coaxial with the output port, the first positioning sleeves are inserted in the guide sleeves, and the worm gears are supported on the upper end surfaces of the inner side guide sleeves.
7. The transverse MGU of claim 5, wherein: the upper side of the middle part of the worm wheel is provided with a second positioning sleeve, and the gap between the upper end surface of the second positioning sleeve and the upper end surface of the worm wheel cavity is 0-5 mm.
8. The transverse MGU as recited in claim 7, wherein: the hole intercommunication in the middle part of second position sleeve, first position sleeve forms the location passageway, is provided with the spacing groove in the location passageway, is provided with the spacing tooth that matches with the spacing groove on the driving pin, and the driving pin realizes spacing with the circumference of worm wheel through the cooperation of spacing tooth and spacing groove.
9. The transverse MGU as recited in claim 1, wherein: the driving pin comprises a limiting tooth part at the upper end, a spline part at the lower end and a round shaft part connected between the limiting tooth part and the spline part; the middle part of the driving pin is in interference fit with the inner wall of the positioning channel.
10. The transverse MGU as recited in claim 1, wherein: the casing includes casing and lower casing, and motor room, worm wheel room and bearing room are assembled by the cell body that casing and lower casing internal portion set up and are constituteed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122655207.0U CN216715049U (en) | 2021-10-29 | 2021-10-29 | Horizontal formula MGU |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122655207.0U CN216715049U (en) | 2021-10-29 | 2021-10-29 | Horizontal formula MGU |
Publications (1)
Publication Number | Publication Date |
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CN216715049U true CN216715049U (en) | 2022-06-10 |
Family
ID=81877425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122655207.0U Active CN216715049U (en) | 2021-10-29 | 2021-10-29 | Horizontal formula MGU |
Country Status (1)
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CN (1) | CN216715049U (en) |
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2021
- 2021-10-29 CN CN202122655207.0U patent/CN216715049U/en active Active
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Wanan Zhiyu Automobile Control System Co.,Ltd. Address before: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHUJI MANPOWER MACHINERY CO.,LTD. |
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CP01 | Change in the name or title of a patent holder |