CN110588873A

CN110588873A - Motorcycle brake assembly

Info

Publication number: CN110588873A
Application number: CN201910933573.2A
Authority: CN
Inventors: 董桂生; 卢鑫鑫; 肖坤鹏; 敖秀锋
Original assignee: WENZHOU LIBANG ENTERPRISE CO Ltd
Current assignee: WENZHOU LIBANG ENTERPRISE CO Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2019-12-20

Abstract

The invention discloses a motorcycle brake assembly, which comprises a handle and a main pump body (13), wherein one end of the handle is hinged on the main pump body (13), and the motorcycle brake assembly is characterized in that: articulated on the main pump body (13) have handle stopper (11), the handle can be extruded handle stopper (11) are swung, handle stopper (11) are connected with the transmission of oil supply assembly through transmission assembly, transmission assembly's moving direction with the atress direction of handle keeps unanimous. The brake handle is simple in structure and reasonable in design, can provide smoother brake hand feeling, can be used for carrying out fine adjustment and lever ratio adjustment on the position of the handle, is suitable for different users, and meanwhile improves the stability of oil supply and oil cut-off inside the brake handle, so that the use experience of the users is effectively improved.

Description

Motorcycle brake assembly

Technical Field

The invention relates to a motorcycle brake system, in particular to a motorcycle brake assembly.

Background

The motorcycle brake assembly is an important component of a motorcycle brake system. As shown in fig. 6, at present, a brake assembly of a motorcycle on the market mainly includes a handle 34, the handle 34 is hinged on a main pump body 37, and the handle 34 is provided with a pressing portion 35, along with the rotation of the handle, the pressing portion 35 can press an oil supply component 36 arranged inside the main pump body to act, so as to realize the supply and interruption of brake oil, so as to control the action of a brake disc, and realize braking, and the structure has the following defects: 1. when the handle is pulled to brake, the force-bearing direction of the handle is inconsistent with the action direction of the oil supply extrusion component, even in a state close to vertical, so that the moment of the handle is continuously changed in the process of force-bearing swing, the force required by pulling the handle is also continuously changed, the hand feeling of a user is influenced, and the user experience is poor; 2. the inside of the main pump body is provided with an oil cavity, the side wall of the main pump body is provided with a through hole connected with an oil cup, a main pump piston is arranged inside the main pump body, a leather cup capable of plugging the through hole in the side wall of the shell is sleeved on the lifting seat, and then the supply of brake oil is cut off.

Disclosure of Invention

In view of the defects of the background art, the technical problem to be solved by the invention is to provide the motorcycle brake assembly which can provide smoother brake hand feeling, can finely adjust the position of the handle and adjust the lever ratio, is suitable for different users, and simultaneously improves the stability of oil supply and oil cut-off in the motorcycle brake assembly, thereby effectively improving the use experience of the users.

Therefore, the invention is realized by adopting the following scheme:

motorcycle brake assembly, including handle, the main pump body, the one end of handle articulates on the main pump body, its characterized in that: articulated on the main pump body have the handle stopper, the handle can extrude the handle stopper swings, the handle stopper passes through drive assembly and is connected with the transmission of oil feeding subassembly, drive assembly's moving direction with the atress direction of handle keeps unanimous.

The handle is connected with a span adjusting push rod in a threaded manner, one end of the span adjusting push rod is abutted to the handle limiting block, and a handle adjusting spring is arranged between the handle and the handle limiting block in a pressing manner.

The span adjusting push rod and the handle adjusting spring are vertically arranged.

The transmission assembly comprises a transmission rod and a lever ratio adjusting knob which is rotatably arranged on the handle limiting block, an arc-shaped groove is eccentrically arranged at the bottom of the lever ratio adjusting knob, and two ends of the piston push rod are respectively abutted to the arc-shaped groove and the oil supply assembly.

The handle limiting block is internally provided with a handle steel ball spring, one end of the handle steel ball spring is provided with a steel ball, and the steel ball tightly presses the side end of the lever ratio adjusting knob.

The oil supply assembly comprises an oil cup and a main pump piston, a first cavity is arranged in the main pump body, the main pump piston is movably arranged in the first cavity, a first annular step and a second annular step are arranged on the main pump piston, a first oil storage space is defined by the first annular step, the second annular step and the inner side wall of the first cavity, a second oil storage space is defined by the second annular step and the inner side wall of the first cavity, the oil cup is communicated with the first oil storage space, two ends of the main pump piston are respectively abutted against the transmission assembly and a return spring arranged in the second oil storage space, an oil outlet is arranged in the second oil storage space of the main pump body, a second cavity is arranged in the main pump piston, and a first through hole and a second through hole which are communicated with the first oil storage space and the second oil storage space are respectively arranged at the upper end and the lower end of the second cavity, and a valve core is arranged in the second cavity, two ends of the valve core are respectively abutted against the fixedly arranged cylindrical pin and the valve core reset spring, and a valve core sealing ring capable of plugging the first through hole is arranged on the valve core.

The handle comprises a handle main body and a handle joint, one end of the handle main body is connected with the handle joint, and the handle joint is hinged on the main pump body.

By adopting the technical scheme, the invention has the advantages that: 1. because the moving direction of the transmission assembly is consistent with the stress direction of the handle, the integral moment of the handle can be kept relatively stable and unchanged when the handle is stressed and swings, the acting force required by the swinging of the handle is integrally changed linearly, the hand feeling of a user during use is further improved, and the use requirement of the user is better met; 2. by arranging a new oil supply assembly with the main pump piston and the valve core matched, the friction and the abrasion of the leather cup are effectively reduced, and the stability of oil supply and oil cut-off is further improved; 3. the position of the handle can be finely adjusted, so that the use requirements of users with different hand shapes can be met; 4. can finely tune the position of piston push rod, and then can cooperate with the braking pincers of different specifications, effectively promote its practicality.

Drawings

The invention has the following drawings:

FIG. 1 is an external structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the main pump body of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at the point A;

FIG. 5 is a block diagram of the main pump piston of the present invention;

fig. 6 is an external structural view of a conventional motorcycle brake assembly.

Detailed Description

As shown in the figure, the motorcycle brake assembly disclosed by the invention comprises a handle and a main pump body 13, wherein one end of the handle is hinged on the main pump body 13, the handle comprises a handle main body 1 and a handle joint 33, one end of the handle main body 1 is connected with the handle joint 33, and the handle joint 33 is hinged on the main pump body 13. A handle limiting block 11 is hinged to the main pump body 13, the handle can be squeezed to swing the handle limiting block 11, the handle limiting block 11 is in transmission connection with the oil supply assembly through a transmission assembly, and the moving direction of the transmission assembly is consistent with the stress direction of the handle. Make the handle when the atress swings, its holistic moment can keep relatively stable unchangeable for the required effort of handle swing is whole to be linear change, feels when further promoting the user and uses, satisfies user's user demand better. Further, in this embodiment, the handle joint 33 and the handle stopper 11 are hinged to the main pump body 13 at the same hinge point, the handle is screwed with the span adjusting push rod 8, the span adjusting push rod 8 is connected with the span adjusting knob 9, one end of the span adjusting push rod 8 abuts against the handle stopper 11, the handle adjusting spring 10 is tightly pressed between the handle and the handle stopper 11, the span adjusting push rod 8 and the handle adjusting spring 10 are vertically arranged, so that a firm triangular stress structure can be formed between the span adjusting push rod 8, the handle joint 33 and the handle stopper 11, and the reliability and stability of fine adjustment of the handle position are improved, specifically, when the position of the handle needs to be fine adjusted, the span adjusting knob 9 drives the span adjusting push rod 8 to rotate, when the span adjusting push rod 8 moves outwards and is far away from the handle stopper 11, handle joint 33's left end can be swung up under handle regulating spring 10's effect, adjust push rod 8 and offset with handle stopper 11 once more until the span, and handle main part 1 right-hand member then can swing down correspondingly, equally, when span is adjusted push rod 8 and is inwards removed roof pressure handle stopper 11 time, handle joint 33's left end atress is swung down and is extrudeed handle regulating spring 10, handle main part 1 right-hand member then can corresponding swing up simultaneously, and then can be according to different users ' hand type, pertinence ground is finely tuned the position of portion 1 of gripping, effectively promote its adaptability of using, satisfy user's user demand better. In addition, in this embodiment, the transmission assembly includes a piston push rod 5 and a lever ratio adjusting knob 2 rotatably disposed on the handle limiting block 11, the bottom of the lever ratio adjusting knob 2 is eccentrically provided with an arc-shaped groove 4, two ends of the piston push rod 5 respectively abut against the arc-shaped groove 4 and the oil supply assembly, a detachable plug 28 is mounted on the handle joint 33, the lever ratio adjusting knob 2 is disposed below the upper cover, the top of the lever ratio adjusting knob 2 is connected with an adjusting screw 29, the adjusting screw 29 is rotatably connected to the handle limiting block 11, the center of the adjusting screw 29 is a hollow structure, so that a screwdriver can conveniently extend into the plug 28, and can be matched with a straight line on the top of the lever ratio adjusting knob 2 to drive the screwdriver to rotate, due to the eccentric arrangement of the arc-shaped groove 4 at the bottom, when the lever ratio adjusting knob 2 rotates, the whole vertical position of the piston push rod 5 can be driven to generate a certain change, the position of the piston push rod 5 is adjusted, due to the fact that the brake calipers of different specifications have certain differences in control strokes which need to be applied, the piston push rod 5 can adapt to the brake calipers of different specifications by adjusting the initial position of the piston push rod 5, and the using adaptability of the piston push rod is further improved. The handle limiting block 11 is internally provided with a handle steel ball spring 3, one end of the handle steel ball spring 3 is provided with a steel ball 30, the steel ball 30 tightly presses the side end of the lever ratio adjusting knob 2 to provide pressing force for the lever ratio adjusting knob 2, and the stability of the position of the lever ratio adjusting knob 2 during working is ensured. In this embodiment, the oil supply assembly includes an oil cup 6 and a main pump piston 7, a connector 24 is disposed on the top of the main pump piston 7, an arc-shaped cavity 6 for embedding the piston rod 5 is disposed inside the connector 24, a first cavity 31 is disposed inside the main pump body 13, the main pump piston 7 is movably disposed in the first cavity 31, a first annular step 26 and a second annular step 27 are disposed on the main pump piston 7, the first and second annular steps and the inner sidewall of the first cavity 31 jointly enclose a first oil storage space 23, the second annular step 27 and the inner sidewall of the first cavity 31 jointly enclose a second oil storage space 16, the oil cup 6 is communicated with the first oil storage space 23 through an oil supply pipeline 12, two ends of the main pump piston 7 respectively abut against the transmission assembly and a return spring 19 disposed in the second oil storage space 23, the main pump body 13 is provided with an oil outlet 20 in the second oil storage space 23, a second cavity 32 is arranged in the main pump piston 7, a first through hole 21 and a second through hole 18 which are communicated with the first oil storage space 23 and the second oil storage space 16 are respectively formed in the upper end and the lower end of the second cavity 32, a valve core 15 is arranged in the second cavity 32, two ends of the valve core 15 are respectively abutted against a cylindrical pin 14 and a valve core return spring 17 which are fixedly arranged, and a valve core sealing ring 22 which can block the first through hole 21 is arranged on the valve core 15.

When the brake operation is required, acting force can be applied to the handle main body 1, the handle joint 33 is driven to swing downwards, similarly, the handle joint 33 can drive the handle limiting block 11 and the lever to swing downwards than the adjusting knob 2, the lever applies pressure to the piston push rod 5 than the adjusting knob 2, and the piston push rod 5 is driven to extrude the oil supply assembly downwards, in the whole process, the moment of the handle main body 1 can be kept relatively stable and unchanged, so that the acting force required by the handle swing integrally changes linearly, the hand feeling of a user during use is further improved, and the use requirement of the user is better met; when the piston push rod 5 is not lowered, the cylindrical pin 14 abuts against the valve core 15, and at the same time, the valve core sealing ring 22 is separated from the upper inner wall of the second cavity 32, so that the brake oil in the first oil storage space 23 can flow into the second cavity 32 through the first through hole 21, then flow into the second oil storage space 16 through the second through hole 18, and finally flow out from the oil outlet 20 in the second oil storage space 16, when the piston push rod 5 moves downwards under the action of the handle, the main pump piston 7 is driven to fall, the valve core 15 is driven to fall, the valve core return spring 17 applies acting force to the valve core 15 and drives the valve core to move towards the cylindrical pin 14 until the valve core 15 abuts against the cylindrical pin 14, at the moment, the valve core sealing ring 22 on the valve core 15 is tightly attached to the upper inner wall of the second cavity 32, and the first through hole 21 is blocked, the first and second oil storage spaces are separated to block the supply of brake oil, and the brake operation of the motorcycle is realized.

The structure of the invention enables the acting force required by the swinging of the handle to be changed integrally in a linear way, further improves the hand feeling when a user uses the oil-saving oil pump, better meets the use requirement of the user, simultaneously avoids the direct frictional contact between the leather cup and the oil hole, effectively reduces the friction and the abrasion of the leather cup, and further improves the stability of the oil supply and cut-off of the oil-saving oil pump.

Claims

1. Motorcycle brake assembly, including handle, the main pump body (13), the one end of handle articulates on the main pump body (13), its characterized in that: articulated on the main pump body (13) have handle stopper (11), the handle can be extruded handle stopper (11) are swung, handle stopper (11) are connected with the transmission of oil supply assembly through transmission assembly, transmission assembly's moving direction with the atress direction of handle keeps unanimous.

2. A motorcycle brake assembly as claimed in claim 1 wherein the handle is threadedly connected with a span adjustment push rod (8), one end of the span adjustment push rod (8) abuts against the handle stopper (11), and a handle adjustment spring (10) is arranged between the handle and the handle stopper (11) in a pressing manner.

3. A motorcycle brake assembly as claimed in claim 2 wherein the span adjustment push rod (8) and the lever adjustment spring (10) are vertically disposed.

4. The motorcycle brake assembly according to claim 1, wherein the transmission component comprises a piston push rod (5) and a lever ratio adjusting knob (2) rotatably disposed on the handle limiting block (11), the bottom of the lever ratio adjusting knob (2) is eccentrically provided with an arc-shaped groove (4), and two ends of the piston push rod (5) respectively abut against the arc-shaped groove (4) and the oil supply component.

5. A motorcycle brake assembly as claimed in claim 4, characterized in that the handle stopper (11) is internally provided with a handle ball spring (3), one end of the handle ball spring (3) is provided with a ball (30), and the ball (30) presses the side end of the lever ratio adjusting knob (2).

6. Motorcycle brake assembly according to claim 1, characterized in that the oil supply means comprises an oil cup (6) and a main pump piston (7), the main pump body (13) has a first cavity (31) inside, the main pump piston (7) is movably disposed in the first cavity (31), the main pump piston (7) is provided with a first annular step (26) and a second annular step (27), the first and second annular steps and the inner side wall of the first cavity (31) together enclose a first oil storage space (23), the second annular step (27) and the inner side wall of the first cavity (31) together enclose a second oil storage space (16), the oil cup (6) is in communication with the first oil storage space (23), and two ends of the main pump piston (7) respectively abut against the transmission means and a return spring (19) disposed in the second oil storage space (23), the main pump body (13) is provided with an oil outlet (20) in a second oil storage space (23), a second cavity (32) is arranged in the main pump piston (7), a first through hole (21) and a second through hole (18) which are communicated with the first oil storage space (23) and the second oil storage space (16) are respectively formed in the upper end and the lower end of the second cavity (32), a valve core (15) is arranged in the second cavity (32), two ends of the valve core (15) are respectively abutted against a cylindrical pin (14) and a valve core reset spring (17) which are fixedly arranged, and a valve core sealing ring (22) capable of plugging the first through hole (21) is arranged on the valve core (15).

7. Motorcycle brake assembly according to claim 1, characterised in that the handle comprises a handle body (1) and a handle articulation (33), one end of the handle body (1) being connected to the handle articulation (33), the handle articulation (33) being hinged on the main pump body (13).