An accumulator suitable for use in a braking system of a two-wheeled vehicle
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN RUILI KEDES AUTOMOTIVE ELECTRONICS CO LTD
- Filing Date
- 2025-09-03
- Publication Date
- 2026-08-07
AI Technical Summary
两轮车需液量比汽车要小得多,但是现有两轮车制动产品用来储存减压油的蓄能器仍沿用汽车制动产品的蓄能器结构,由多个零件组成,不仅占用空间大,而且成本还高,在一定程度上拉低了两轮车制动产品的性价比
1、降低成本:传统蓄能器由多个零件组成,且涉及多种材质,本专利技术方案简化设计及用料,可大幅降低蓄能器及制动产品的成本。
Smart Images

Figure CN224606899U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of two-wheeled vehicle braking technology, and in particular to an energy accumulator suitable for two-wheeled vehicle braking systems. Background Technology
[0002] With the rapid development of electronic braking systems and intelligent driving, many motorcycles, electric vehicles, and other two-wheeled vehicles are also equipped with electronic braking systems, such as anti-lock braking systems (ABS) and vehicle stability systems (VLS). Two-wheeled vehicles require significantly less hydraulic fluid than automobiles; however, existing two-wheeled vehicle braking products still use accumulators with the same structure as automotive braking products, consisting of multiple parts. This not only occupies a large space but also increases costs, thus lowering the cost-effectiveness of two-wheeled vehicle braking products to some extent. In today's increasingly competitive market, achieving a small size and low cost in two-wheeled vehicle braking systems will significantly improve product competitiveness. Therefore, to reduce costs and increase efficiency in two-wheeled vehicle braking products, this patent, while retaining product functionality, invents a low-cost and small-sized accumulator. Summary of the Invention
[0003] In order to overcome the shortcomings of the prior art, this utility model provides an energy accumulator suitable for the braking system of two-wheeled vehicles.
[0004] The technical solution adopted by this utility model is: an accumulator suitable for a two-wheeled vehicle braking system, including an accumulator cavity and an elastic member. The accumulator is located between a pressure reducing valve and a return oil pump. The oil inlet of the accumulator is connected to the oil outlet of the pressure reducing valve, and the oil outlet of the accumulator is connected to the oil inlet of the return oil pump. The elastic member is located in the accumulator cavity, and the diameter of the elastic member is consistent with the inner diameter of the accumulator cavity and is interference-fitted.
[0005] The elastic component is either a sphere or a cylinder. It is located within the accumulator cavity, at the end of the accumulator cavity furthest from the oil outlet of the pressure reducing valve; the oil outlet of the accumulator is located on the accumulator cavity between the elastic component and the oil inlet of the accumulator.
[0006] The oil inlet and oil outlet of the accumulator are on the same side of the accumulator cavity.
[0007] Compared with the prior art, the beneficial effects of this utility model are: 1. Reduced costs: Traditional accumulators consist of multiple parts and involve various materials. This patented technology simplifies the design and materials used, which can significantly reduce the cost of accumulators and braking products.
[0008] 2. Small size, saving vehicle installation space for braking products: Traditional accumulators occupy a large space, resulting in large size of two-wheeled vehicle braking products. This patented technology simplifies the design and materials, resulting in a small size and promoting the lightweighting of braking products. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the oil circuit connection of the accumulator in the first embodiment; Figure 2 This is a schematic diagram of the oil circuit connection of the accumulator in the second embodiment; Pressure reducing valve 1, return oil pump 2, accumulator of the first embodiment 3, elastic member of the first embodiment 3-1, accumulator cavity of the first embodiment 3-2, accumulator of the second embodiment 4, accumulator cavity of the second embodiment 4-1, elastic member of the second embodiment 4-2, oil outlet A of pressure reducing valve, oil inlet B of return oil pump, oil outlet C of accumulator of the first embodiment, oil outlet D of accumulator of the second embodiment, oil inlet E of accumulator of the second embodiment. Detailed Implementation
[0010] The present invention will be further described below with reference to the accompanying drawings. Example
[0011] like Figure 1 As shown, the accumulator cavity 3-2 is formed by deepening the valve hole below the oil outlet A of the pressure reducing valve. An elastic component 3-1, such as a gasbag of elastic sphere / cylinder such as silicone / rubber, is provided in the accumulator cavity 3-2. The elastic component 3-1 is located at the end of the accumulator cavity, away from the oil outlet of the pressure reducing valve. The elastic component 3-1 has the same inner diameter as the accumulator cavity and is interference-fitted, using the compressibility of gas and the elasticity of the material to store the pressure reducing oil of the braking system. The accumulator's outlet C is located on the accumulator cavity between the elastic member and the accumulator's inlet (the same as the pressure reducing valve's outlet A). The accumulator's outlet C is connected to the return pump's inlet B. When the braking system needs to reduce pressure, the pressure reducing valve 1 is energized and opens, allowing pressure-reducing oil to enter the accumulator cavity 3-2 from the pressure reducing valve's outlet A, compressing the elastic member and storing it in the accumulator cavity 3-2. When braking ends, the system controls the return pump 2 to extract the pressure-reducing oil stored in the accumulator cavity 3-2 from the return pump's inlet B, and the elastic member 3-1 rebounds to its original shape. To ensure better implementation results, the accumulator volume in this embodiment is relatively small (less than 0.1 mL), suitable for two-wheeled vehicles with low fluid requirements and lightweight bodies. Example
[0012] Compared to Example 1, the energy storage device provided in Example 2 has a larger capacity, which can cover a wider range of two-wheeled vehicle models. For example... Figure 2As shown, the accumulator 4 includes an accumulator cavity 4-1 and an elastic member 4-2. The elastic member can be made of a material with good elasticity, such as silicone or rubber, and is filled into the accumulator cavity. The elasticity of the material of the elastic member is used to store the system pressure-reducing oil. The oil inlet E and the oil outlet D of the accumulator are on the same side of the accumulator cavity. The oil inlet E of the accumulator cavity is connected to the oil outlet A of the pressure-reducing valve, and the oil outlet D of the accumulator cavity is connected to the oil inlet B of the return pump. When the braking system needs to reduce pressure, the pressure-reducing valve 1 is energized and opened. The pressure-reducing oil enters the accumulator cavity 4-1 from the oil outlet A of the pressure-reducing valve through the oil inlet E of the accumulator, compressing the elastic member and storing it in the accumulator cavity 4-1. When braking ends, the system controls the return pump 2 to extract the pressure-reducing oil stored in the accumulator cavity 4-1 from the oil outlet D of the accumulator through the oil inlet B of the return pump. The elastic member 4-2 rebounds and returns to its original shape.
[0013] The above are merely preferred embodiments of the technical solution of this patent. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of this patent, and these improvements and modifications should also be considered within the scope of protection of this patent.
Claims
1. An accumulator suitable for a two-wheeled vehicle braking system, characterized in that: The accumulator includes an accumulator cavity and an elastic member. The accumulator is located between the pressure reducing valve and the return oil pump. The oil inlet of the accumulator is connected to the oil outlet of the pressure reducing valve, and the oil outlet of the accumulator is connected to the oil inlet of the return oil pump. The elastic member is located inside the accumulator cavity, and the diameter of the elastic member is the same as the inner diameter of the accumulator cavity and is interference-fitted.
2. The accumulator for a two-wheeled vehicle braking system according to claim 1, characterized in that: The elastic component is a sphere.
3. The accumulator for a two-wheeled vehicle braking system according to claim 1, characterized in that: The elastic member is a cylinder.
4. The accumulator for a two-wheeled vehicle braking system according to claim 2 or 3, characterized in that: The elastic member is located in the accumulator cavity, at the end of the accumulator cavity away from the oil outlet of the pressure reducing valve; the oil outlet of the accumulator is located on the accumulator cavity between the elastic member and the oil inlet of the accumulator.
5. The accumulator for a two-wheeled vehicle braking system according to claim 1, characterized in that: The oil inlet and oil outlet of the accumulator are on the same side of the accumulator cavity.