Electric control wheel cylinder with built-in motor gear device
A technology of motor gears and electric wheels, applied in the direction of gear transmission mechanism, mechanical equipment, brake type, etc., can solve the problems of insufficient integration and marginalized hydraulic braking.
Pending Publication Date: 2020-08-18
ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS
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Problems solved by technology
The two types of braking work need to be completed by two systems, the integration level is not high enough, and with the development of the automobile industry, the development trend will move closer to the wire control brake, and the hydraulic brake will gradually be marginalized
Method used
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Embodiment Construction
[0017] In conjunction with the accompanying drawings, the electric control wheel cylinder of the present invention will be further described.
[0018] Such as figure 1 and image 3 As shown, the electric wheel cylinder includes a cylinder block 1, a screw rod 5, a planetary carrier 6, a planetary gear 7, a sun gear 8, a motor 9, a screw sleeve 10 and a piston; the cylinder block 1 has a horizontal cylinder hole, and the two ends of the horizontal cylinder hole Both are equipped with piston parts, screw rod 5, planet carrier 6, planetary gear 7, sun gear 8, motor 9 and screw sleeve 10 are all installed in the horizontal cylinder hole of cylinder body 1, motor 9 is located outside the circumference of screw sleeve 10, and screw sleeve 10 One end is fitted with one end of the screw 5 through the screw thread, the output end of the motor 9 is coaxially fixed with the sun gear 8, the motor 9 is a hollow motor, the outer ring stator 9.1 is fixedly connected with the cylinder body 1...
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The invention discloses an electric control wheel cylinder with a built-in motor gear device. In the electric wheel cylinder, a cylinder body is provided with a horizontal cylinder hole; the two endsof the horizontal cylinder hole are each equipped with a piston part; a motor is located outside a screw sleeve; one end of a screw rod is sleeved inside one end of the screw sleeve; the motor and a sun gear are coaxially fixedly connected; the sun gear is provided with a central through hole; engaged planetary gears are arranged around the sun gear; the sun gear and the planetary gears are hingedto a planet carrier; the end part, passing through the central through hole of the sun gear, of the screw rod can be axially and movably connected; and the screw sleeve and the screw rod extend to the hole end of the horizontal cylinder hole and are connected with the piston parts located at the two ends. The electric control wheel cylinder disclosed by the invention designs a transmission mechanism for the overall set of electric control wheel cylinder, can implement an electric control braking process and simultaneously integrates parking braking function with service braking function.
Description
technical field [0001] The invention relates to an electric control wheel cylinder in the technical field of vehicle parking brake equipment, in particular to an electric control wheel cylinder with a built-in motor gear device. Background technique [0002] The drum brake is to push the brake shoes and the brake drum to rub against each other to achieve the braking of the vehicle. When the conventional drum brake performs service braking, it needs to build up the pressure of the brake fluid; when performing the parking brake , it needs to be completed by pushing and pulling the brake shoe arm with external force. The two types of braking work need to be completed by two systems, the integration level is not high enough, and with the development of the automobile industry, the development trend will move closer to the wire control brake, and the hydraulic brake will gradually be marginalized. Contents of the invention [0003] In order to solve the problems existing in th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16D51/10F16D65/16F16D121/24F16D121/04F16D121/14F16D123/00F16D125/04
CPCF16D51/10F16D65/16F16D2121/04F16D2121/14F16D2121/24F16D2123/00F16D2125/04
Inventor 蔡伟王变变黄建凌凌利峰汪永胜姚兴娟黄东方施英杰黄伟杰朱子亨黄伟平
Owner ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS