Half-line oil pulling disc upper pump hidden below handlebar horizontal pipe

Abstract

The utility model relates to the technical field of brake structures, in particular to a half-line oil pulling disc upper pump hidden below a handlebar transverse pipe, which comprises an upper pump, the upper pump is provided with an oil passing mechanism, an oil storage mechanism is fixedly arranged above the upper pump, and the oil storage mechanism is communicated with the oil passing mechanism through two small holes and is used for supplementing oil to a caliper mechanism at the lower end; the oil outlet mechanism is connected with an oil passing mechanism arranged on the upper pump through a screw, the oil pipe is connected with the oil outlet mechanism, and hydraulic oil can flow through the oil passing mechanism, the oil outlet mechanism and the oil pipe; the brake mechanisms are installed on the two sides of the upper pump through screws and used for pushing hydraulic oil to flow through the oil mechanism, the oil outlet mechanism and the oil pipe. The half-line oil pulling disc upper pump is created for a road vehicle, and compared with an all-line oil pulling disc, the half-line oil pulling disc has the advantages that friction between a brake line and a line pipe is reduced, and the riding feeling is closer to that of an all-road vehicle oil disc. And meanwhile, the master cylinder is hidden below the road handlebar transverse pipe and is fused with the road handlebar transverse pipe, so that the appearance of the road bicycle is more concise.

Description

Technical Field

[0001] The invention relates to the technical field of brake structures, in particular to a half-line oil-pull disc upper pump hidden under a handlebar cross tube. Background Art

[0002] Road bikes, or "road bikes" for short. Road bikes, mountain bikes and leisure bikes are the three major categories of bicycles. Road bikes started relatively late in China, with mountain bikes taking the lead. However, with the popularity of road bikes, the market is expanding. When road bikes are used as a type of bicycle, they refer to bicycles used on roads and can be used for road bike racing. In order to achieve high speeds, the weight of the bicycle body is light and the wind resistance is small.

[0003] Road bikes have become more and more popular in China in recent years. More and more people like the fun of riding lightweight road bikes. However, the existing full-line oil-pull disc brake lines and line pipes have greater friction and are more expensive. The master cylinder is not convenient to hide on the road bike, which makes the road bike unsightly. Therefore, a half-line oil-pull disc upper pump hidden under the handlebar cross tube is needed to solve the above problems. Summary of the invention

[0004] The purpose of the embodiment of the present invention is to provide a half-line oil-pull disc upper pump hidden under the handlebar cross tube, aiming to solve the following problem: the existing full-line oil-pull disc brake line and line tube have large friction and are not convenient to hide on a road vehicle.

[0005] The embodiment of the present invention is implemented as follows: a half-line oil-pull disc upper pump hidden under a handlebar cross tube comprises: an upper pump, wherein the upper pump is provided with an oil-passing mechanism, an oil storage mechanism is fixedly arranged above the upper pump by bolts, the oil storage mechanism is communicated with the oil-passing mechanism through two small holes, and is used to replenish oil to the caliper mechanism at the lower end; an oil outlet mechanism, which is connected to the oil-passing mechanism provided by the upper pump by screws, and the oil pipe is connected to the oil outlet mechanism, and the hydraulic oil can flow through the oil mechanism, the oil outlet mechanism and the oil pipe; a brake mechanism, which is installed on both sides of the upper pump by screws, and the brake mechanism is used to push the hydraulic oil to flow through the oil mechanism, the oil outlet mechanism and the oil pipe.

[0006] Preferably, the oil passing mechanism includes: a piston chamber, a first oil circuit hole, a second oil circuit hole and a third oil circuit hole, the piston chamber, the first oil circuit hole, the second oil circuit hole and the third oil circuit hole are all opened on the upper pump, there are two piston chambers and they are arranged side by side in parallel, the hydraulic oil can flow through the piston chamber, the first oil circuit hole, the second oil circuit hole and the third oil circuit hole; an oil storage tank and an oil filling hole, the oil storage tank and the oil filling hole are opened on the upper pump, the oil storage tank is located above the piston chamber and are interconnected, the oil filling hole and the oil storage tank are connected, the oil filling hole is cooperated with an O-ring, the O-ring can be fixed at the oil filling hole by screws to close the oil filling hole, and the hydraulic oil can be added to the oil storage tank through the oil filling hole; a rubber ball, which is fixed to the second oil circuit hole by screws to seal it to avoid leakage of hydraulic oil.

[0007] Preferably, the oil storage mechanism comprises: an oil naan, which is arranged above the upper pump, and an oil cup cover is arranged on the upper side of the oil naan, and the oil cup cover is used to press the oil naan and fix it to the upper pump.

[0008] Preferably, the oil outlet mechanism includes: a universal joint, which is fixed under the upper pump by screws, the universal joint is provided with a universal joint oil circuit hole, the third oil circuit hole and the universal joint oil circuit hole are connected, the oil pipe and the universal joint are connected, and the hydraulic oil can flow from the third oil circuit hole through the universal joint oil circuit hole and the oil pipe.

[0009] Preferably, the brake mechanism comprises: a locking sealing aluminum ring, which is fixedly connected to the upper pump through a thread, the locking sealing aluminum ring is provided with grooves on both sides inside and outside, and a 9.5x1 sealing ring and a U sealing ring are respectively placed in the grooves on both sides inside and outside the locking sealing aluminum ring; a piston, which is slidably arranged on the piston cavity and passes through the locking sealing aluminum ring, the U sealing ring and the 9.5x1 sealing ring are arranged at both ends of the piston for sealing the hydraulic oil, and a spring for driving the piston to reset is fixedly connected between the piston and the locking sealing aluminum ring; a lip-shaped A ring is fixed on the piston, and the lip ring can move with the piston to seal the hydraulic oil; a sealing ring is arranged in cooperation with the piston cavity to press the U sealing ring into the piston cavity, and the sealing ring is arranged in cooperation with a locking ring, and the locking ring is threadedly connected to the upper pump to squeeze and fix the sealing ring on the upper pump; a brake line adjuster is threadedly connected to the locking ring and is used to screw in or out to adjust the tightness of the brake line; a brake line locking nut is connected to the piston through a thread, and the brake line locking nut is threadedly connected to a brake line fastening screw.

[0010] The present invention is to create a half-line oil disc upper pump for road bikes. Compared with the full-line oil disc, the half-down oil disc reduces the friction between the brake line and the line tube, making the riding experience closer to the full road bike oil disc. At the same time, the master cylinder of the present invention is hidden under the cross tube of the road handlebar and integrated with the cross tube of the road handlebar, making the appearance of the road bike more concise and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A three-dimensional diagram of the half-line oil disc upper pump hidden under the handlebar cross tube.

[0012] Figure 2 A side view of the half-line oil disc upper pump hidden under the handlebar cross tube.

[0013] Figure 3 Schematic diagram of the upper pump of the half-line oil disc hidden under the handlebar cross tube.

[0014] Figure 4 This is a front view of the half-line oil disc upper pump hidden under the handlebar cross tube.

[0015] In the accompanying drawings: 1-upper pump, 2-oil passing mechanism, 3-oil storage mechanism, 4-oil outlet mechanism, 5-brake mechanism, 21-piston chamber, 22-first oil circuit hole, 23-second oil circuit hole, 24-third oil circuit hole, 25-oil storage tank, 26-oil filling hole, 27-O-ring, 28-rubber ball, 31-oil naan, 32-oil cup cover, 41-universal joint, 42-universal joint oil circuit hole, 51-locking sealing aluminum ring, 52-9.5x1 sealing ring, 53-U sealing ring, 54-piston, 55-spring, 56-lip ring, 57-sealing ring, 58-locking ring, 59-brake line adjuster, 510-brake line locking nut, 511-brake line fastening screw. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the present invention.

[0017] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0018] See also Figure 1-Figure 4 , an embodiment of the present invention provides a half-line oil-pulling disc upper pump hidden under a handlebar cross tube, the half-line oil-pulling disc upper pump hidden under the handlebar cross tube comprises:

[0019] An upper pump 1 is provided with an oil passing mechanism 2, an oil storage mechanism 3 is fixed above the upper pump 1 by bolts, the oil storage mechanism 3 is communicated with the oil passing mechanism of the upper pump 1 through two small holes, and is used to replenish oil to the caliper at the lower end; an oil outlet mechanism 4 is connected with the oil passing mechanism 2 provided on the upper pump 1 by screws, and an oil pipe is connected with the oil outlet mechanism 4, and hydraulic oil can flow through the oil mechanism 2, the oil outlet mechanism 4 and the oil pipe; a brake mechanism 5 is installed on both sides of the upper pump 1 by screws, and the brake mechanism 5 is used to push the hydraulic oil to flow through the oil mechanism 2, the oil outlet mechanism 4 and the oil pipe.

[0020] like Figure 2 and Figure 3 As shown in the figure, as a preferred embodiment of the utility model, the oil passing mechanism 2 includes: a piston chamber 21, a first oil passage hole 22, a second oil passage hole 23 and a third oil passage hole 24, the piston chamber 21, the first oil passage hole 22, the second oil passage hole 23 and the third oil passage hole 24 are all opened on the upper pump 1, the piston chamber 21 is provided with two and arranged side by side in parallel, the hydraulic oil can flow through the piston chamber 21, the first oil passage hole 22, the second oil passage hole 23, and the third oil passage hole 24; the oil storage tank 25 and the oil filling hole 26, the storage The oil tank 25 and the oil filling hole 26 are provided on the upper pump 1. The oil storage tank 25 is located above the piston chamber 21 and are interconnected. The oil filling hole 26 and the oil storage tank 25 are connected. The oil filling hole 26 is provided with an O-ring 27. The O-ring 27 can be fixed at the oil filling hole 26 by screws to close the oil filling hole 26. The hydraulic oil can be added to the oil storage tank 25 through the oil filling hole 26; the rubber ball 28 is fixed at the second oil circuit hole 23 by screws, and is used to block the second oil circuit hole 23 to prevent the hydraulic oil from leaking.

[0021] like Figure 1 As shown, as a preferred embodiment of the utility model, the oil storage mechanism 3 includes: an oil naan 31, which is arranged above the upper pump 1, and an oil cup cover 32 is arranged on the upper side of the oil naan 31, and the oil cup cover 32 is used to press the oil naan 31 and fix it to the upper pump 1.

[0022] like Figure 1 As shown, as a preferred embodiment of the utility model, the oil outlet mechanism 4 includes: a universal joint 41, which is fixed under the upper pump 1 by screws, and the universal joint 41 is provided with a universal joint oil path hole 42, the third oil path hole 24 is connected to the universal joint oil path hole 42, the oil pipe is connected to the universal joint 41, and the hydraulic oil can flow from the third oil path hole 24 through the universal joint oil path hole 42 and the oil pipe.

[0023] like Figure 1 and Figure 4As shown, as a preferred embodiment of the utility model, the brake mechanism 5 includes: a locking sealing aluminum ring 51, which is fixedly connected to the upper pump 1 through a thread, and grooves are provided on the inner and outer sides of the locking sealing aluminum ring 51, and a 9.5x1 sealing ring 52 and a U sealing ring 53 are respectively placed in the grooves provided on the inner and outer sides of the locking sealing aluminum ring 51; a piston 54, which is slidably arranged on the piston cavity 21 and passes through the locking sealing aluminum ring 51, and the U sealing ring 53 and the 9.5x1 sealing ring 52 are arranged at both ends of the piston 54 for blocking the hydraulic oil, and a spring 55 for driving the piston 54 to return to its original position is fixedly connected between the piston 54 and the locking sealing aluminum ring 51. ; a lip ring 56, which is fixed on the piston 54, and the lip ring 56 can move with the piston 54, and is used to seal the hydraulic oil; a sealing ring 57, which is arranged in cooperation with the piston cavity 21, and is used to press the U sealing ring 53 into the piston cavity 21, and the sealing ring 57 is arranged in cooperation with a locking ring 58, and the locking ring 58 is threadedly connected to the upper pump 1, and is used to squeeze and fix the sealing ring 57 on the upper pump 1; a brake line adjuster 59, which is threadedly connected to the locking ring 58, and is used to screw in or out to adjust the tightness of the brake line; a brake line locking nut 510, which is connected to the piston 54 through a thread, and the brake line locking nut 510 is threadedly connected to a brake line fastening screw 511.

[0024] The present invention provides a half-line oil-pull disc upper pump hidden under the handlebar cross pipe, wherein the two piston chambers 21 of the upper pump 1 are arranged side by side in parallel, and the two oil storage tanks 25 of the upper pump 1 are located above the piston chamber 21. The oil cup cover 32 is pressed against the oil chamber 31 by four M4x7 fixing screws and then fixed to the upper pump 1, and the oil filling hole 26 faces downward, and the oil filling hole 26 and the oil storage tank 25 are connected, and then the oil storage tank 25 is sealed with screws and O-rings 18 to prevent the hydraulic oil from leaking. When changing or filling the oil, unscrewing the screws and then connecting the oil filling pipe externally can operate the oil filling or changing, and the operation is simple; the universal joint 41 is located under the upper pump 1 and fixed to the upper pump 1 by screws. The 4mm rubber ball 28 can be used to block the second oil path hole 23 by screws to prevent the hydraulic oil from leaking; the U sealing ring 53 and the 9.5x1 sealing ring 52 seal the hydraulic oil at both ends of the piston 54 to prevent it from leaking. The locking sealing aluminum ring 51 has two grooves inside and outside for placing a 9.5x1 sealing ring 52 and a U sealing ring 53 respectively, and then is connected to the upper pump 1 through threads. The piston 54 is pushed against the locking sealing aluminum ring 51 by the spring 55.

[0025] The brake line locking nut 510 is connected to the piston 54 through a thread, and the brake line fastening screw 511 is connected to the brake line locking nut 510 through a thread, and is used to lock the brake line. At the other end of the upper pump 1, the U seal ring 53 is pressed into the piston cavity 21 by the seal ring 57, and the seal ring 57 is squeezed and fixed by the locking ring 58. The locking ring 58 is connected to the upper pump 1 through a thread, and then the locking ring 58 is fixed to the upper pump 1 through a screw so that it will not loosen. The brake line adjuster 59 is connected to the locking ring 58 through a thread. The tightness of the brake line is adjusted by screwing in or out the brake line adjuster 59.

[0026] When using a half-line oil-pull disc upper pump hidden under the handlebar cross tube, first fix the half-line oil-pull disc upper pump under the handlebar cross tube of the road bike by two screws, and the brake line passes through the brake line adjuster 59, the locking ring 58, the piston 54 and the brake line locking nut 510 in sequence after coming out of the line tube, and finally is locked on the brake line locking nut 510 by the brake line fastening screw 511. When the brake pulls the brake line, since the brake line is fixed on the brake line fastening screw 511, the brake line fastening screw 511 pushes the piston 54 to move forward together, and the piston 54 pushes the lip ring 56 to squeeze the hydraulic oil forward in the upper pump piston chamber 21. When the hydraulic oil is squeezed, it enters the universal joint oil path hole 42 through the first oil path hole 22, the second oil path hole 23 and the third oil path hole 24, and finally flows into the oil pipe through the oil pipe connected to the universal joint 41 to complete the braking action. When the brake is released, the brake line is loosened, and the piston 54 and the lip ring 56 return to their original positions under the push of the elastic force of the spring 55. At this time, negative pressure is formed in the piston chamber 21, and the hydraulic oil is sucked back into the piston chamber 21. The entire braking action is completed.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A half-line oil-pull disc upper pump hidden under the handlebar cross pipe, comprising an upper pump, characterized in that: The upper pump is provided with an oil passing mechanism, and an oil storage mechanism is fixedly provided above the upper pump by bolts, and the oil storage mechanism is connected to the oil passing mechanism through two small holes, and is used to replenish oil to the caliper mechanism at the lower end; The oil outlet mechanism is connected to the oil passing mechanism opened by the upper pump through screws, and the oil pipe is connected to the oil outlet mechanism, and the hydraulic oil can flow through the oil mechanism, the oil outlet mechanism and the oil pipe; The brake mechanism is installed on both sides of the upper pump by screws. The brake mechanism is used to push the hydraulic oil to flow through the oil mechanism, the oil outlet mechanism and the oil pipe.

2. The half-line oil-pull disc pump hidden under the handlebar tube according to claim 1 is characterized in that: The oil passing mechanism comprises: The piston chamber, the first oil passage hole, the second oil passage hole and the third oil passage hole are all provided on the upper pump, and two piston chambers are provided and arranged side by side in parallel, and the hydraulic oil can flow through the piston chamber, the first oil passage hole, the second oil passage hole and the third oil passage hole; An oil storage tank and an oil filling hole, the oil storage tank and the oil filling hole are provided on the upper pump, the oil storage tank is located above the piston cavity, the oil filling hole and the oil storage tank are connected, the oil filling hole is arranged outside the oil filling hole, which is convenient for oil filling and oil changing operations, the oil filling hole is provided with an O-type sealing ring, the O-type sealing ring can be fixed at the oil filling hole by screws to close the oil filling hole, and the hydraulic oil can be added to the oil storage tank through the oil filling hole; The rubber ball is fixed to the second oil passage hole by screws to seal and prevent the hydraulic oil from leaking.

3. The half-line oil-pull disc pump hidden under the handlebar according to claim 1 is characterized in that: The oil storage mechanism comprises: The oily naan is arranged above the upper pump, and an oil cup cover is arranged on the upper side of the oily naan, and the oil cup cover is used for pressing the oily naan and fixing it to the upper pump.

4. The half-line oil-pull disc pump hidden under the handlebar tube according to claim 2 is characterized in that: The oil outlet mechanism comprises: The universal joint is fixed below the upper pump by screws. The universal joint is provided with a universal joint oil path hole. The third oil path hole is connected to the universal joint oil path hole. The oil pipe is connected to the universal joint. The hydraulic oil can flow from the third oil path hole through the universal joint oil path hole and the oil pipe.

5. The half-line oil-pulling disc pump hidden under the handlebar according to claim 1 is characterized in that: The brake mechanism comprises: A locking sealing aluminum ring, which is fixedly connected to the upper pump through a thread, and grooves are provided on both sides of the locking sealing aluminum ring, and a 9.5x1 sealing ring and a U sealing ring are respectively placed in the grooves provided on both sides of the locking sealing aluminum ring; A piston is slidably arranged on the piston cavity and passes through a locking sealing aluminum ring. A U sealing ring and a 9.5x1 sealing ring are arranged at both ends of the piston for sealing the hydraulic oil. A spring for driving the piston to reset is fixedly connected between the piston and the locking sealing aluminum ring. The lip ring is fixed on the piston and can move with the piston to seal the hydraulic oil; A sealing ring is provided in cooperation with the piston cavity and is used to press the U sealing ring into the piston cavity. The sealing ring is provided in cooperation with a locking ring, which is threadedly connected to the upper pump and is used to squeeze and fix the sealing ring on the upper pump; A brake line adjuster, which is threadedly connected to the locking ring and is used to screw in or out to adjust the tightness of the brake line; The brake line locking nut is connected to the piston through threads, and the brake line locking nut is connected to the brake line fastening screw through threads.

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