Electronically-controlled disc brake driving device

Abstract

The utility model discloses an electronic control disc brake driving device which comprises a communication connector communicated with a vehicle brake oil pipe, the communication connector is communicated with a piston cavity, a movable piston is arranged in the piston cavity, and the movable piston is used for compressing or releasing hydraulic oil in the brake oil pipe. The movable piston is connected with a driving assembly for driving the movable piston to do reciprocating motion in the piston cavity; by means of the mode, the vehicle can be automatically controlled to be locked.

Description

Technical Field

[0001] The utility model relates to the technical field of brake control, in particular to an electronically controlled disc brake drive device. Background Art

[0002] Most electric-assisted bicycles with rear-mounted motors currently use brushless high-speed motors with built-in clutches. Therefore, conventional remote alarms and remote motor locking functions are inoperable on these rear-mounted brushless high-speed motors. Locking the bicycle is typically done manually with a mechanical lock. However, with the increasing use of intelligent components in electric-assisted bicycles, these two common mechanical locks are no longer intelligent or automated enough. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide an electronically controlled disc brake driving device which can automatically control the locking of a vehicle.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an electronically controlled disc brake drive device, including: a connecting joint connected to the vehicle brake oil pipe, the connecting joint is connected to a piston cavity, a movable piston is arranged in the piston cavity, the movable piston is used to compress or release the hydraulic oil in the brake oil pipe, and the movable piston is connected to a drive assembly that drives the movable piston to perform reciprocating motion in the piston cavity.

[0005] Preferably, the drive assembly includes a drive motor, an eccentric wheel and a push rod, the drive motor is arranged inside the frame tube of the vehicle, the eccentric wheel is arranged on the rotating shaft of the drive motor, one end of the push rod is connected to the eccentric wheel, and the other end of the push rod is connected to the movable piston.

[0006] Preferably, a spring is provided in the piston cavity, and one end of the spring is connected to a side of the movable piston away from the push rod.

[0007] Preferably, the push rod and the movable piston are connected via a connecting shaft.

[0008] Preferably, a sealing gasket is provided between the connecting joint and the piston cavity.

[0009] Preferably, a first sealing ring is sleeved on the movable piston, and the first sealing ring cooperates with the piston cavity.

[0010] Preferably, the piston cavity is provided with a sealing cavity matched with the push rod, and the push rod is provided with a second sealing ring matched with the sealing cavity.

[0011] Preferably, the piston cavity is provided with an oil filling hole, and a sealing screw is provided on the oil filling hole.

[0012] Preferably, the driving motor outer shell is provided with a first shell, the piston cavity outer shell is provided with a second shell, and the second shell is connected to the first shell.

[0013] Preferably, the connecting joint is provided with a connecting fitting, which is connected to the second shell and is used to fix the connecting joint on the second shell.

[0014] The beneficial effects of the present invention are: by connecting the vehicle to the original hydraulic system through the connecting joint, and controlling the moving piston through the driving component to realize the control of the hydraulic oil, and by connecting the driving component with the control system of the vehicle, the automatic and intelligent locking control of the vehicle is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the push rod, movable piston, piston cavity and connecting structure of the utility model.

[0018] The markings of the components in the accompanying drawings are as follows:

[0019] 1. Connecting joint; 11. Sealing gasket; 12. Clamping ring; 13. Clamping nut;

[0020] 2. Piston cavity; 21. Moving piston; 211. First sealing ring; 22. Oil filling hole; 23. Sealing screw; 24. Second housing;

[0021] 31. Drive motor; 32. Eccentric wheel; 33. Push rod; 331. Second sealing ring; 34. Spring; 35. First housing;

[0022] 4. Connecting shaft;

[0023] 5. Connect to withdraw and pay. DETAILED DESCRIPTION

[0024] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0030] Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities of the International System of Units (SI) basic units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation or integration. Example

[0031] refer to Figure 1-Figure 3 An electronically controlled disc brake drive device includes: a connecting joint 1 connected to a vehicle brake oil pipe, the connecting joint 1 being connected to a piston cavity 2, a sealing gasket 11 being installed between the connecting joint 1 and the piston cavity 2 to prevent oil leakage between the connecting joint and the piston cavity 2, a movable piston 21 being installed in the piston cavity 2 and capable of reciprocatingly sliding in the piston cavity 2, the movable piston 21 being used to compress or release hydraulic oil in the brake oil pipe, a first sealing ring 211 being sleeved on the movable piston 21, the first sealing ring 211 being matched with the piston cavity 2, This prevents the hydraulic oil from leaking through the contact between the mobile piston 21 and the piston cavity 2. The mobile piston 21 is connected to a driving component that drives the mobile piston 21 to reciprocate in the piston cavity 2. The driving component compresses or provides space for the release of the hydraulic oil by controlling the displacement of the mobile piston 21, so that the mobile piston 21 pushes the hydraulic oil to move. The hydraulic oil is injected into the connecting joint 1 through the interface on the piston cavity 2, and then the hydraulic oil in the connecting joint transmits the pressure to the front / rear disc brake caliper through the oil pipe, thereby achieving the effect of locking the disc brake.

[0032] refer to Figure 1-Figure 3The drive assembly includes a drive motor 31, an eccentric wheel 32, and a push rod 33. The drive motor 31 is installed inside the vehicle frame tube, and the eccentric wheel 32 is installed on the rotating shaft of the drive motor 31. One end of the push rod 33 abuts against the eccentric wheel 32, and the other end of the push rod 33 is connected to the mobile piston 21. A spring 34 is installed in the piston cavity 2, and one end of the spring 34 abuts against the side of the mobile piston 21 away from the push rod 33. The other end of the spring 34 is installed or abuts against the inside of the piston cavity 2, thereby forcing the mobile piston 21 to move toward the push rod 33. The rotation of the drive motor 31 drives the eccentric wheel 32 to rotate, so that the eccentric wheel 32 forces the push rod 33 to move toward the mobile piston 21 and provides a moving space for the mobile piston 21 to return under the action of the spring 34. During the reciprocating motion of the mobile piston 21, the hydraulic oil is squeezed and released, thereby achieving the effect of locking or releasing the disc brake.

[0033] refer to Figure 1-Figure 3 In order to facilitate the installation and connection between the push rod 33 and the mobile piston 21, the push rod 33 and the mobile piston 21 are connected by a connecting shaft 4. The connecting shaft 4 can be a threaded shaft. The push rod 33 and the mobile piston 21 can be provided with threaded holes that match the connecting shaft 4, thereby realizing the connection between the push rod 33 and the mobile piston 21.

[0034] refer to Figure 3 In order to ensure the sealing between the push rod 33 and the piston cavity 2, the piston cavity 2 is provided with a sealing cavity that cooperates with the push rod 33, and a second sealing ring 331 that cooperates with the sealing cavity is sleeved on the push rod 33.

[0035] refer to Figure 3 The piston cavity 2 is provided with an oil filling hole 22, and a sealing screw 23 is threadedly connected to the oil filling hole 22. It is convenient to inject hydraulic oil into the piston cavity 2 through the oil filling hole 22.

[0036] refer to Figure 1 and Figure 2 The drive motor 31 is provided with a first housing 35, and the piston chamber 2 is provided with a second housing 24. The second housing 24 is screwed to the first housing 35. The connecting joint 1 is provided with a connecting member 5, which is screwed to the second housing 24, thereby fixing the connecting joint 1 to the second housing 24.

[0037] refer to Figure 1 and Figure 2 The connecting joint 1 can be a tee joint, so that the brake oil pipe is disconnected, and the two ends are respectively inserted into the two empty ends of the tee joint. A clamping ring 12 and a clamping nut 13 are installed at the two empty ends. The oil pipe is sealed by the clamping ring 12, and the oil pipe is fixed to the connecting joint 1 by the clamping nut 13. The remaining end of the connecting joint 1 is connected to the piston cavity 2.

[0038] refer to Figure 1-Figure 3 When the electric bicycle is finished riding, park the vehicle without turning off the instrument. At this time, press the two buttons of the instrument at the same time, which will send a lock signal to the controller. After receiving the lock signal from the instrument, the controller starts to power the drive motor 31. The shaft of the drive motor 31 rotates, driving the eccentric wheel 32 to rotate. After the eccentric wheel 32 rotates, it pushes the push rod 33 toward the moving piston 21 to move a distance, thereby pushing the hydraulic oil to move. The hydraulic oil is injected into the three-way connecting joint 1 through the interface on the piston cavity 2. The hydraulic oil transmits the pressure in the connecting joint 1 to the front / rear disc brake calipers through the oil pipe, thereby locking the disc brakes. At this time, the instrument can be turned off.

[0039] When you need to ride, turn on the instrument first. At this time, the instrument will automatically send an unlocking signal to the controller. After receiving the signal, the controller will reverse the drive motor 31 and reset the eccentric wheel 32. At this time, the piston spring 34 will push the movable piston 21 to move, and the movable piston 21 will drive the push rod 33 to return to its original position, and the disc brake will no longer be locked.

[0040] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electronically controlled disc brake drive device, characterized in that: include: A connecting joint (1) connected to a vehicle brake oil pipe, the connecting joint (1) being connected to a piston cavity (2), a movable piston (21) being provided in the piston cavity (2), the movable piston (21) being used to compress or release hydraulic oil in the brake oil pipe, the movable piston (21) being connected to a driving assembly for driving the movable piston (21) to perform reciprocating motion in the piston cavity (2); The driving assembly comprises a driving motor (31), an eccentric wheel (32) and a push rod (33); the driving motor (31) is arranged inside a frame tube of a vehicle; the eccentric wheel (32) is arranged on a rotating shaft of the driving motor (31); one end of the push rod (33) is connected to the eccentric wheel (32); and the other end of the push rod (33) is connected to a movable piston (21).

2. The electronically controlled disc brake drive device according to claim 1, characterized in that: A spring (34) is provided in the piston cavity (2), and one end of the spring (34) is connected to a side of the movable piston (21) away from the push rod (33).

3. The electronically controlled disc brake actuator according to claim 1, characterized in that: The push rod (33) is connected to the movable piston (21) via a connecting shaft (4).

4. The electronically controlled disc brake actuator according to claim 1, characterized in that: A sealing gasket (11) is provided between the communication joint (1) and the piston cavity (2).

5. The electronically controlled disc brake actuator according to claim 1, characterized in that: A first sealing ring (211) is sleeved on the movable piston (21), and the first sealing ring (211) is matched with the piston cavity (2).

6. The electronically controlled disc brake actuator according to claim 1, characterized in that: The piston cavity (2) is provided with a sealing cavity matched with a push rod (33), and the push rod (33) is provided with a second sealing ring (331) matched with the sealing cavity.

7. The electronically controlled disc brake actuator according to claim 1, characterized in that: The piston cavity (2) is provided with an oil filling hole (22), and a sealing screw (23) is provided on the oil filling hole (22).

8. The electronically controlled disc brake actuator according to claim 1, characterized in that: The driving motor (31) is provided with a first housing (35) on its outer shell, and the piston chamber (2) is provided with a second housing (24) on its outer shell, and the second housing (24) is connected to the first housing (35).

9. The electronically controlled disc brake actuator according to claim 1, characterized in that: The connecting joint (1) is provided with a connecting fitting (5), and the connecting fitting (5) is connected to the second housing (24) and is used to fix the connecting joint (1) on the second housing (24).

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