CN213973951U - Double-cylinder type electronic parking power assembly - Google Patents
Double-cylinder type electronic parking power assembly Download PDFInfo
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- CN213973951U CN213973951U CN202022532384.5U CN202022532384U CN213973951U CN 213973951 U CN213973951 U CN 213973951U CN 202022532384 U CN202022532384 U CN 202022532384U CN 213973951 U CN213973951 U CN 213973951U
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Abstract
The utility model discloses a double-cylinder formula electron parking power assembly. The upper part of the shell is provided with a middle cavity and left and right mounting cavities, the left and right mounting cavities are positioned at two sides of the middle cavity, and the upper cover sealing cover is connected on the middle cavity and the left and right mounting cavities; the motor gear is arranged in the middle cavity, the duplicate gears I and II are arranged in the left installation cavity and the right installation cavity, the motor is arranged in the lower portion of the shell, the motor output shaft faces upwards and is coaxially connected with the motor gear, the motor gear is meshed with the duplicate gears I, the duplicate gears I and II are meshed, the duplicate gears II are respectively meshed with the duplicate gears III in the two duplicate gears, the duplicate gears III in the two duplicate gears are meshed with respective output gears, and the output gears and the piston are connected through a transmission structure to drive the piston to move axially. The utility model discloses simple to operate, atress are even, high-efficient stable, the response is fast, have solved single cylinder electron parking power assembly drive friction block braking time brake force unstability scheduling problem.
Description
Technical Field
The utility model belongs to an electron parking power structure of car brake-by-wire technique has specifically been related to a double-cylinder formula electron parking power assembly.
Background
Compared with a traditional mechanical hand brake, the electronic parking device can prevent accidental release, avoid the unsafe accidents that the parking device forgets to pull the hand brake and forgets to loosen the hand brake during starting, and is safer and more reliable. The electronic parking can integrate the temporary braking function in the driving process and the long-term braking function after parking, and realizes the parking braking in an electronic control mode. The conventional electronic parking brake system is powered by a motor and acts on a brake through a speed reducer to realize the braking performance.
At present, an electronic parking power assembly on the market basically adopts a single-cylinder mode, and the situations of insufficient braking torque, low braking efficiency, uneven stress of a brake block and the like exist. If the braking torque is increased, the braking radius must be increased, resulting in an increased braking rim and an increased brake disc. Other parameters of the vehicle must be modified, increasing costs. Meanwhile, the brake radius is increased to cause unstable braking and the like. Compared with the braking effect of a single-cylinder caliper, the double-cylinder caliper can obtain the braking torque which is close to two times of the single-cylinder hydraulic floating caliper disc brake under the same condition, and the braking efficiency of the caliper is higher. And because the pressure that the brake pads received pressure ratio single cylinder calliper assembly and received is even, consequently the brake pads wearing and tearing are even, and braking process is steady, phenomena such as braking shake, abnormal sound can not appear, and the practicality is strong.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve shortcoming and not enough that exist among the prior art, the utility model provides a drum brake device of electrified sub-parking has simple to operate, simple structure, high-efficient laborsaving, reliable, the fast advantage of response.
The utility model provides a solve the shortcoming and not enough that exist among the prior art, provide a two jar formula electron parking power assembly.
The technical scheme of the utility model is that:
the utility model comprises a shell, an upper cover, a motor gear, a duplicate gear I, a duplicate gear II, a duplicate gear III, an output gear, a gear shaft I and a gear shaft II; the upper part of the shell is provided with a middle cavity, a left mounting cavity and a right mounting cavity, the left mounting cavity and the right mounting cavity are positioned on two sides of the middle cavity, and an upper cover sealing cover is connected to the middle cavity, the left mounting cavity and the right mounting cavity; a motor gear, a duplicate gear I and a duplicate gear II are arranged in the middle cavity, a group of duplicate gear sets are arranged in the left installation cavity and the right installation cavity, and each group of duplicate gear sets comprises a duplicate gear III and an output gear; the motor is installed in the lower part of the shell, the output shaft of the motor faces upwards and is coaxially connected with the motor gear, the motor gear is meshed with the duplicate gear I, the duplicate gear I is meshed with the duplicate gear II, the duplicate gear II is respectively meshed with the duplicate gears III in the two duplicate gear sets, the duplicate gears III in the two duplicate gear sets are respectively meshed with the respective output gears, and the output gears are connected with the piston through the transmission structure to drive the piston to move axially.
The dual gear I is coaxially formed by a dual upper gear I with a larger diameter and a dual lower gear I with a smaller diameter, the dual gear II is coaxially formed by a dual gear II with a larger diameter and a dual gear II with a smaller diameter, and each dual gear III is coaxially formed by a dual gear III with a larger diameter and a dual gear III with a smaller diameter; the lower end of the output gear is coaxially provided with a spline; the motor gear is meshed with a duplex upper gear I of a duplex gear I, a duplex lower gear I of the duplex gear I is meshed with a duplex gear II of the duplex gear II, the duplex gears II of the duplex gears II are respectively meshed with duplex gears III of duplex gears III in two duplex gear sets, the duplex gears III of the duplex gears III in the two duplex gear sets are respectively meshed with corresponding output gears, and splines of the output gears are coaxially matched and connected with external screws.
The dual gear I is hinged to the shell through a gear shaft I, the dual gear II is hinged to the shell through a gear shaft I, and the dual gear III is hinged to the upper cover through a gear shaft II.
The side of the shell is provided with a connector opening, and the interface of the motor is connected to an external driving source from the connector opening.
The outer side surface of the shell is provided with a lug, and the lug is provided with a mounting hole.
A motor end cover is installed at a shell port at the bottom of the output gear, and a motor cushion pad is arranged between the motor end cover and the output gear.
The utility model discloses a two cylinder type electron parking power assembly in, through the mode that increases gear reduction mechanism transmission progression, increase gear reduction mechanism speed reduction ratio reduces power assembly's gear, reduces the required installation controlling part of power assembly when improving gear reduction mechanism transmission mechanism, braking effect when being favorable to improving the parking braking. Meanwhile, the completely symmetrical upper and lower double-cylinder structure can obtain nearly twice of braking torque of the single-cylinder hydraulic floating caliper disc brake under the same braking condition by keeping the motor unchanged, and is favorable for improving the braking efficiency during parking braking. Simultaneously the hydraulic braking calliper of contrast single cylinder, the pressure that the friction disc of twin-cylinder formula received is more even, and the wearing and tearing of friction disc are also more steady.
The utility model discloses an exterior structure such as casing upper cover, inside the double-cylinder of symmetry, drive motor gear through a motor, through four pairs of gear drive increase drive ratio of symmetry, through spline output torque at last, the piston that promotes in the double-cylinder presses to the brake pads, and the braking is realized to the friction brake disc.
The utility model discloses changed the electron parking power assembly of transmission single cylinder structure, adopted double-cylinder structural efficiency higher, the atress is more even, and braking effect is more stable, and the driving experience effect is more comfortable, the condition such as shake, abnormal sound can not appear.
The utility model discloses a simple symmetry double-cylinder as a result of reasonable in design is with the reasonable transmission of the moment of torsion of motor to the braking fast on for the atress of braking is arranged more rationally among the whole braking process, and the braking action is more smooth, and braking effect is higher, the level four gear drive who adopts simultaneously, more stable of gear drive effect.
The utility model has the advantages that:
the utility model discloses simple to operate, atress are even, high-efficient stable, the response is fast, have solved single cylinder electron parking power assembly drive friction block braking time brake force unstability scheduling problem.
The utility model discloses at the automobile brake application selection field, can provide a more excellent selection for the electron parking of various motorcycle types, the scope of application is more extensive, has promoted the continuous progress of electron parking braking technique.
Drawings
FIG. 1 is an assembly diagram of a dual-cylinder electronic parking power assembly of the utility model;
FIG. 2 is an exploded view of a dual-cylinder electronic parking power assembly of the present invention;
FIG. 3 is an assembly view of a dual-cylinder electronic parking power assembly gear transmission mechanism of the utility model;
fig. 4 is an exploded view of a dual-cylinder electronic parking power assembly gear transmission mechanism of the utility model.
In the figure: 1, a shell; 1.1 left mounting cavity; 1.2-right mounting cavity; 1.3 connector port 1.4 mounting port; 2, covering the cover; 3, a motor; 4-motor buffer cushion; 5-motor end cover; 6-motor gear; 7-duplicate gear I; 7.1 duplicate upper gear I; 7.2-duplex lower gear I; 8-duplicate gear II; 8.1 duplex upper gear II; 8.2 a duplex lower gear II; 9-duplicate gear iii; 9.1-duplicate upper gear III; 9.2-duplex lower gear III; 10-an output gear; 10.1 splines; 11-gear shaft I; 12-gear shaft II.
Detailed Description
The dual-cylinder electronic parking power assembly of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the specific implementation includes a housing 1, an upper cover 2, a motor 3, a motor gear 6, a duplicate gear i 7, a duplicate gear ii 8, a duplicate gear iii 9, an output gear 10, a gear shaft i 11 and a gear shaft ii 12; the duplicate gear III 9, the output gear I10 and the gear shaft II 12 are respectively two and are respectively positioned in the left mounting cavity 1.1 and the right mounting cavity 1.2 of the shell.
The upper part of the shell 1 is provided with a middle cavity, a left installation cavity 1.1 and a right installation cavity 1.2, the left installation cavity 1.1 and the right installation cavity 1.2 are positioned at two sides of the middle cavity, and an upper cover 2 is connected on the middle cavity, the left installation cavity 1.1 and the right installation cavity 1.2 in a sealing manner; as shown in fig. 3, a motor gear 6, a duplicate gear i 7 and a duplicate gear ii 8 are installed in the middle cavity, a group of duplicate gear sets are installed in the left installation cavity 1.1 and the right installation cavity 1.2, each group of duplicate gear sets includes a duplicate gear iii 9 and an output gear 10, and the two groups of duplicate gear sets of the left installation cavity 1.1 and the right installation cavity 1.2 are symmetrically arranged; the double-gear set located in the left installation cavity 1.1 is the same as the double-gear set located in the right installation cavity 1.2.
As shown in fig. 4, the dual gear i 7 is coaxially formed by a dual upper gear i 7.1 with a larger diameter and a dual lower gear i 7.2 with a smaller diameter which are respectively arranged up and down, the dual gear ii 8 is coaxially formed by a dual gear ii 8.1 with a larger diameter and a dual gear ii 8.2 with a smaller diameter which are respectively arranged up and down, and each dual gear iii 9 is coaxially formed by a dual gear iii 9.1 with a larger diameter and a dual gear iii 9.2 with a smaller diameter which are respectively arranged up and down; the lower end of the output gear 10 is coaxially provided with a spline 10.1; the motor gear 6 is meshed with a duplex upper gear I7.1 of a duplex gear I7, a duplex lower gear I7.2 of the duplex gear I7 is meshed with a duplex gear II 8.1 of a duplex gear II 8, the duplex gear II 8.2 of the duplex gear II 8 is respectively meshed with a duplex gear III 9.1 of a duplex gear III 9 in two groups of duplex gear sets, the duplex gears III 9.2 of the duplex gears III 9 in the two groups of duplex gear sets are respectively meshed with corresponding output gears 10, a spline 10.1 of the output gear 10 is coaxially matched and connected with an external screw rod, the screw rod is connected with a screw sleeve through threads, and the screw sleeve is connected with a piston.
The dual gear I7 is hinged and installed in the shell 1 through a gear shaft I11, the dual gear II 8 is hinged and installed in the shell 1 through the gear shaft I11, and the dual gear III 9 is hinged and installed on the upper cover 2 through a gear shaft II 12.
The side of the shell 1 is provided with a connector port 1.3, and the interface of the motor 3 is connected to an external driving source from the connector port 1.3.
The outer side surface of the shell 1 is provided with a lug, the lug is provided with a mounting opening 1.4, and the mounting opening 1.4 is used for fixing the power assembly to the brake caliper.
A motor end cover 5 is installed at the port of the shell 1 at the bottom of the output gear 10, and a motor cushion pad 4 is arranged between the motor end cover 5 and the output gear 10.
The motor 3 is electrified to drive the motor gear 6 to drive the four-stage gear to transmit, and the piston is pushed to advance to push the brake block to clamp the brake disc. Through four-stage gear transmission, the torque of the electronic parking power device is increased, the transmission is accurate, the efficiency is high, the work is reliable, and the service life is long.
In the whole gear transmission mechanism, when the ECU controls the motor 3 to be electrified through the connector port 1.3 on the shell to drive the motor gear 6 to rotate, the motor gear 6 drives the duplicate gear I7.1 which is meshed with the motor gear to rotate, and the duplicate gear I7.2 on the same shaft of the duplicate gear I7 synchronously rotates; the duplex gear I7.2 drives the meshed duplex gear II 8.1 to rotate, and the duplex gear II 8.2 on the same shaft of the duplex gear II 8 synchronously rotates; two groups of duplicate gears III 9.1 which are meshed with each other and respectively positioned in the upper right mounting cavity are driven by the duplicate gear II 8.2 to rotate, and the duplicate gears III 9.2 on the same shaft of the duplicate gears III 9 rotate synchronously; the two sets of duplicate gears III 9.2 synchronously rotate to respectively drive the output gears 10 meshed with the duplicate gears, the output gears are in threaded fit with the screw rod through splines 10.1 on the output gears 10, threads rotate, the screw rod and the threaded sleeve perform threaded motion, the top end of the threaded sleeve pushes the piston to advance or return, the piston is pushed or returned, the brake block and the brake disc are clamped or released, and parking or parking release is achieved.
The quantity of the duplicate gear III 9, the gear shaft II 12 and the output gear 10 is two, the duplicate gear III, the gear shaft II 12 and the output gear are respectively located in a left mounting cavity 1.1 and a right mounting cavity 1.2 of the electronic parking power assembly, two pistons are connected, and meanwhile, a brake block is pushed to clamp a brake disc. Meanwhile, a duplicate gear I7 is fixed on the shell 1 through a gear shaft I11, a duplicate gear II 8 is fixed on the shell 1 through the gear shaft I11, and a duplicate gear III 9 is fixed on the upper cover 2 through a gear shaft II 12.
The motor 3 is electrified to rotate positively, and the piston is pushed to advance through four-stage gear transmission under the driving of the motor gear 6, so that the brake block and the brake disc are clamped tightly to realize parking. The motor 3 is electrified and reversely rotated, and the piston is pushed to return through four-stage gear transmission under the driving of the motor gear 6, so that the brake block and the brake disc are far away from the brake release.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a double-cylinder formula electron parking power assembly which characterized in that:
the gear-driven type motor comprises a shell (1), an upper cover (2), a motor (3), a motor gear (6), a duplicate gear I (7), a duplicate gear II (8), a duplicate gear III (9), an output gear (10), a gear shaft I (11) and a gear shaft II (12); the upper part of the shell (1) is provided with a middle cavity, a left mounting cavity (1.1) and a right mounting cavity (1.2), the left mounting cavity (1.1) and the right mounting cavity (1.2) are positioned at two sides of the middle cavity, and the upper cover (2) is connected to the middle cavity, the left mounting cavity (1.1) and the right mounting cavity (1.2) in a sealing manner; a motor gear (6), a duplicate gear I (7) and a duplicate gear II (8) are arranged in the middle cavity, a group of duplicate gear sets are respectively arranged in the left installation cavity (1.1) and the right installation cavity (1.2), and each group of duplicate gear sets comprises a duplicate gear III (9) and an output gear (10); motor (3) are installed in the lower part of casing (1), motor (3) output shaft up and with motor gear (6) coaxial coupling, motor gear (6) and I (7) meshing of duplicate gear, I (7) meshing of duplicate gear and II (8) meshing of duplicate gear, duplicate gear II (8) meshing with duplicate gear III (9) in two sets of duplicate gear groups respectively, duplicate gear III (9) in two sets of duplicate gear groups all mesh with respective output gear (10), output gear (10) and piston pass through the transmission structure and connect and drive piston axial motion.
2. The dual-cylinder electronic parking power assembly of claim 1, wherein:
the dual gear I (7) is coaxially formed by a dual upper gear I (7.1) with a larger diameter and a dual lower gear I (7.2) with a smaller diameter, the dual gear II (8) is coaxially formed by a dual gear II (8.1) with a larger diameter and a dual gear II (8.2) with a smaller diameter, and each dual gear III (9) is coaxially formed by a dual gear III (9.1) with a larger diameter and a dual gear III (9.2) with a smaller diameter; the lower end of the output gear (10) is coaxially provided with a spline (10.1); the motor gear (6) is meshed with a duplex upper gear I (7.1) of a duplex gear I (7), a duplex lower gear I (7.2) of the duplex gear I (7) is meshed with a duplex gear II (8.1) of a duplex gear II (8), the duplex gear II (8.2) of the duplex gear II (8) is respectively meshed with a duplex gear III (9.1) of a duplex gear III (9) in two groups of duplex gear sets, the duplex gears III (9.2) of the duplex gears III (9) in the two groups of duplex gear sets are respectively meshed with corresponding output gears (10), and a spline (10.1) of the output gear (10) is coaxially matched and connected with an external screw rod.
3. The dual-cylinder electronic parking power assembly of claim 1, wherein:
the dual gear I (7) is hinged in the shell (1) through a gear shaft I (11), the dual gear II (8) is hinged in the shell (1) through the gear shaft I (11), and the dual gear III (9) is hinged on the upper cover (2) through a gear shaft II (12).
4. The dual-cylinder electronic parking power assembly of claim 1, wherein:
the side surface of the shell (1) is provided with a connector opening (1.3), and an interface of the motor (3) is connected to an external driving source from the connector opening (1.3).
5. The dual-cylinder electronic parking power assembly of claim 1, wherein:
the outer side surface of the shell (1) is provided with a lug, and the lug is provided with a mounting opening (1.4).
6. The dual-cylinder electronic parking power assembly of claim 1, wherein:
a motor end cover (5) is installed at the port of the shell (1) at the bottom of the output gear (10), and a motor cushion pad (4) is arranged between the motor end cover (5) and the output gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532384.5U CN213973951U (en) | 2020-11-05 | 2020-11-05 | Double-cylinder type electronic parking power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532384.5U CN213973951U (en) | 2020-11-05 | 2020-11-05 | Double-cylinder type electronic parking power assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213973951U true CN213973951U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532384.5U Active CN213973951U (en) | 2020-11-05 | 2020-11-05 | Double-cylinder type electronic parking power assembly |
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| CN (1) | CN213973951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815580A (en) * | 2021-10-22 | 2021-12-21 | 梁清明 | Motor braking speed reduction equipment for electric scooter based on new energy |
-
2020
- 2020-11-05 CN CN202022532384.5U patent/CN213973951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815580A (en) * | 2021-10-22 | 2021-12-21 | 梁清明 | Motor braking speed reduction equipment for electric scooter based on new energy |
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