An oil pressure regulator for automobiles and motorcycles

Abstract

An oil pressure regulator for automobile and motorcycle, which is characterized in that: the top of the shell is provided with an oil inlet, the bottom is riveted with a bottom cover, and the inside is formed into a cavity; the middle of the cavity of the shell is provided with an oil outlet area, a valve seat is slidably installed in the oil outlet area and divides the cavity into upper and lower parts; the valve seat is elastically installed in the lower part of the cavity; a sealing protruding ring and an eccentric block are fixedly installed on the side of the valve seat facing the oil inlet, the sealing protruding ring intermittently seals the upper part of the cavity of the shell, and the eccentric block is located inside the sealing protruding ring and is eccentrically arranged; the present utility model adopts the design of the flanging riveting at the connecting part of the shell and the bottom cover, which not only ensures the simple production operation, but also effectively improves the structural strength and sealing performance of the oil pressure regulator at the lowest estimated production cost; the eccentric block makes it easier to break the force balance state of the valve seat when the fuel pressure acts, so as to make the valve seat have a displacement trend, reduce the pressure required for the fuel to push away the valve seat, make the valve seat more easily pushed away, and effectively optimize the sensitivity of the valve seat opening.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic pressure regulation technology, and in particular to a hydraulic pressure regulator for automobiles and motorcycles. Background Technology

[0002] Oil pressure regulators are used in automotive fuel supply systems and are installed on the fuel pump assembly. They are used to maintain a predetermined oil pressure value within the system to enable the fuel pump to start quickly, and to release pressure to regulate the system oil pressure when the system oil pressure is too high while the vehicle is running.

[0003] With the continuous innovation of automotive and motorcycle engine technology, changes in fuel system design are prompting a re-evaluation of fuel pressure regulator performance. Precise pressure control and maintaining a low and stable pressure gradient remain crucial. Start-stop engine strategies place extremely high demands on pressure integrity, while pressure pulsations generated by high-pressure pumps in direct injection systems can cause severe mechanical stress on the regulator. Furthermore, the current global market's requirements for compatibility with multiple fuels also present additional environmental challenges for regulators.

[0004] Existing methods of connecting the housing and base of hydraulic pressure regulators, such as welding or bolting, are not only cumbersome and inefficient in production, but also prone to loosening and insufficient structural strength under long-term mechanical stress. This leads to inaccurate pressure control, high failure rates, and increased production costs. Furthermore, hydraulic pressure regulators using traditional connection methods often fail to meet the needs of various fuel environments. Utility Model Content

[0005] To address the above problems, this utility model proposes a hydraulic pressure regulator for automobiles and motorcycles, and the technical solution used is as follows:

[0006] A hydraulic regulator for automobiles and motorcycles includes a housing, a bottom cover, and a valve seat. The housing has an oil inlet at the top and is riveted to the bottom cover at the bottom, forming an internal cavity. An oil outlet area is provided in the middle of the cavity of the housing. The valve seat is slidably installed in the oil outlet area, dividing the cavity into upper and lower parts. The valve seat is elastically installed in the lower part of the cavity. A sealing protrusion ring and an eccentric block are fixedly installed on the side of the valve seat facing the oil inlet. The sealing protrusion ring intermittently seals the upper part of the cavity of the housing, and the eccentric block is located inside the sealing protrusion ring and is eccentrically positioned.

[0007] Furthermore, it also includes a sealing ring, which is mounted on the housing and seals the interface with the vehicle.

[0008] Furthermore, the sealing protrusion ring has a receiving surface at other locations besides the eccentric block inside.

[0009] Furthermore, the valve seat is elastically mounted in the lower cavity of the housing by a spring, with the two ends of the spring connected to the valve seat and the bottom cover, respectively.

[0010] Furthermore, the bottom of the housing and the bottom cover are connected by a flanged riveting method.

[0011] Furthermore, it also includes a filter screen, which is installed on the oil inlet of the housing for filtering fuel impurities.

[0012] Because this utility model adopts the above-described technical solution, it has the following advantages:

[0013] 1. This utility model adopts a flanged riveting design at the connection between the shell and the bottom cover, and is assembled in one step. This not only ensures the ease of production operation and improves the production assembly efficiency, but also effectively improves the structural strength and sealing performance of the oil pressure regulator at the lowest estimated production cost, significantly reducing the failure rate caused by mechanical stress. At the same time, it is compatible with multiple fuel environments and ensures the stable operation of the system under different working conditions.

[0014] 2. The valve seat of this utility model is provided with an eccentric block. When fuel pressure is applied, compared with a symmetrical structure, it is easier to break the static force balance state of the valve seat, causing the valve seat to have a displacement tendency, reducing the pressure required for the fuel to push the valve seat open, making the valve seat easier to push open, and effectively optimizing the sensitivity of the valve seat opening. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0016] Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present utility model.

[0017] Figure 3 This is a schematic diagram of the overall structure after the filter screen is installed in an embodiment of this utility model.

[0018] Figure 4 This is a three-dimensional cross-sectional view of an embodiment of the present invention after the filter screen has been installed.

[0019] Icon labels:

[0020] 1-Housing; 2-Bottom cover; 3-Spring; 4-Valve seat; 401-Sealing protrusion ring; 402-Eccentric block; 5-Sealing ring; 6-Filter screen. Detailed Implementation

[0021] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this utility model; however, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0022] In the description of this utility model, it should be noted that the terms "upper", "lower", "in", "out", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example:

[0023] like Figures 1-2 and Figure 4 As shown, a hydraulic regulator for automobiles and motorcycles includes a housing 1, a bottom cover 2, a spring 3, a valve seat 4, and a sealing ring 5. The housing 1 has an oil inlet at the top and is riveted to the bottom cover 2 at the bottom, forming an internal cavity. An oil outlet area is provided in the middle of the cavity of the housing 1. The valve seat 4 is located in the oil outlet area and divides the cavity into upper and lower parts. The valve seat 4 can slide in the lower part of the cavity. The spring 3 is installed in the lower part of the cavity and its two ends are connected to the valve seat 4 and the bottom cover 2, respectively. The spring 3 is a compression spring. The sealing ring 5 is installed on the housing 1 and seals with the vehicle interface.

[0024] The bottom of the shell 1 and the bottom cover 2 are connected by a flanged riveting method, which allows for direct one-time assembly during actual production, resulting in higher efficiency. This ensures the simplicity of production assembly operations and effectively reduces production costs.

[0025] A sealing protrusion ring 401 is fixedly installed on the side of the valve seat 4 facing the oil inlet. The sealing protrusion ring 401 is intermittently in close contact with the upper part of the cavity of the housing 1, and the upper part of the cavity is sealed when it is in close contact. An eccentric block 402 is fixedly installed on the side of the valve seat 4 facing the oil inlet. The eccentric block 402 is located inside the sealing protrusion ring 401 and is eccentrically set. The sealing protrusion ring 401 has a receiving surface at other positions except for the eccentric block 402.

[0026] When fuel enters the upper part of the cavity of housing 1 from the inlet, the fuel falls on the receiving surface. The eccentric block 402 makes the center of gravity and the point of force of valve seat 4 not coincide. When the fuel pressure is applied, compared with the symmetrical structure, it is easier to break the static force balance state of valve seat 4, causing valve seat 4 to have a displacement tendency. The fuel pressure will decompose into a force that pushes the valve seat open vertically and a lateral component force generated by the eccentricity. The lateral component force can help "pry" the valve seat 4, reduce the pressure required for the fuel to push the valve seat 4 open, and make the valve seat 4 easier to push open.

[0027] like Figures 3-4 As shown, a filter screen 6 can be selectively installed on the oil inlet of the housing 1. The filter screen 6 is used to filter fuel impurities.

[0028] The specific process of this embodiment is as follows:

[0029] Fuel enters the upper part of the cavity of housing 1 through the inlet. When the fuel pressure exceeds the predetermined value, the fuel pressure pushes the valve seat 4 downward, the sealing protrusion ring 401 disengages from the upper part of the cavity of housing 1, the spring 3 is compressed, and the fuel flows out from the outlet area and back into the fuel tank to regulate the system oil pressure. After the oil pressure returns to the predetermined value, the spring 3 rebounds, the valve seat 4 returns to its original position, and the sealing protrusion ring 401 is tightly sealed to the upper part of the cavity of housing 1.

Claims

1. A hydraulic pressure regulator for automobiles and motorcycles, characterized in that, The device includes a housing (1), a bottom cover (2), and a valve seat (4). The housing (1) has an oil inlet at the top and is riveted to the bottom cover (2) at the bottom, forming a cavity inside. The cavity of the housing (1) has an oil outlet area in the middle. The valve seat (4) is slidably installed in the oil outlet area and divides the cavity into upper and lower parts. The valve seat (4) is elastically installed in the lower part of the cavity. A sealing protrusion ring (401) and an eccentric block (402) are fixedly installed on the side of the valve seat (4) facing the oil inlet. The sealing protrusion ring (401) intermittently seals the upper part of the cavity of the housing (1). The eccentric block (402) is located inside the sealing protrusion ring (401) and is eccentrically set.

2. The hydraulic pressure regulator for automobiles and motorcycles according to claim 1, characterized in that, It also includes a sealing ring (5), which is installed on the housing (1) and seals the vehicle interface.

3. The hydraulic pressure regulator for automobiles and motorcycles according to claim 1, characterized in that, The sealing protrusion ring (401) has a receiving surface at other positions except for the eccentric block (402).

4. The hydraulic pressure regulator for automobiles and motorcycles according to claim 1, characterized in that, The valve seat (4) is elastically installed in the lower part of the cavity of the housing (1) by a spring (3), and the two ends of the spring (3) are connected to the valve seat (4) and the bottom cover (2) respectively.

5. The hydraulic pressure regulator for automobiles and motorcycles according to claim 1, characterized in that, The bottom of the housing (1) and the bottom cover (2) are connected by a flanged riveting method.

6. A hydraulic pressure regulator for automobiles and motorcycles according to any one of claims 1-5, characterized in that, It also includes a filter screen (6), which is installed on the oil inlet of the housing (1) for filtering fuel impurities.

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