Mounting structure for pressure regulating valve of automobile fuel pump
The design of the frame mechanism and outer protective frame solves the problem of oil leakage caused by vibration in the fuel pump pressure regulating valve, achieving more efficient sealing and a simpler disassembly and assembly process.
Patent Information
- Application Number
- CN202511595438.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2026-01-23
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In existing technology, the vibration when the car starts can cause gaps at the connection between the fuel pump pressure regulating valve and the fuel tank, resulting in oil leakage. Furthermore, disassembling and assembling the fuel pump pressure regulating valve requires a lot of manpower.
The frame mechanism drives the rotation of the threaded rod and the lifting of the outer protective frame. The sealing efficiency of the regulating valve is improved and the nut is prevented from loosening by sealing with a nut and limiting with a side clamp.
It improves the sealing performance of the fuel pump pressure regulating valve, prevents oil leakage, simplifies the disassembly and assembly process, and saves manpower.
Smart Images
Figure CN121382484A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pressure regulating valve installation, in particular to an automobile fuel pump pressure regulating valve installation structure. BACKGROUND
[0002] The automobile fuel pressure regulator is the core component of the modern automobile electronic control engine fuel supply system, and is usually installed above the fuel filter. It dynamically controls the opening and closing of the pressure valve through the internal diaphragm to maintain the oil pressure constant. When the oil pressure is abnormal, it may cause the injector to fail to work, the mixture to be too thick, or the oil circuit to be damaged, directly affecting the engine combustion efficiency and emission performance. The fuel pump pressure regulating valve is directly installed on the fuel tank to drive the oil injection through the connecting rod.
[0003] At present, in the prior art, when the automobile starts, the vibration of the engine is transmitted to the fuel pump pressure regulating valve, causing a gap between the fuel pump pressure regulating valve and the fuel tank, causing the phenomenon of oil leakage, thereby reducing the practicability of the fuel pump pressure regulating valve, and when the automobile engine needs to be maintained, a large amount of manpower is wasted in disassembling and assembling the fuel pump pressure regulating valve. Therefore, the present application provides an automobile fuel pump pressure regulating valve installation structure. SUMMARY
[0004] The purpose of the present application is to solve the problem that in the prior art, when the automobile starts, the vibration of the engine is transmitted to the fuel pump pressure regulating valve, causing a gap between the fuel pump pressure regulating valve and the fuel tank, causing the phenomenon of oil leakage, thereby reducing the practicability of the fuel pump pressure regulating valve, and when the automobile engine needs to be maintained, a large amount of manpower is wasted in disassembling and assembling the fuel pump pressure regulating valve.
[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: an automobile fuel pump pressure regulating valve installation structure, comprising a frame mechanism, a positioning mechanism is installed in the frame mechanism, a valve body mechanism is installed in the positioning mechanism, and the frame mechanism is drivingly connected to the valve body mechanism; the frame mechanism comprises two outer protection frames, the two outer protection frames are arranged in parallel, bolt holes are formed at both ends of the two outer protection frames, a connecting rod is fixedly connected between the upper ends of the two outer protection frames, a threaded rod is engagedly connected to the middle part of the connecting rod, and an upper knob is fixedly connected to the upper end of the threaded rod.
[0006] In at least some embodiments, the valve body mechanism comprises a valve body shell, a lower pressing plate is fixedly connected to the lower end of the valve body shell, an upper mounting plate is fixedly connected to the upper end of the valve body shell, the valve body shell, the lower pressing plate and the upper mounting plate are arranged in a penetrating manner, oil inlet and outlet ports are fixedly connected to the two sides of the valve body shell, and a nut is engagedly connected above the valve body shell.
[0007] In at least some embodiments, the upper surface of the nut is provided with a mounting groove, a threaded rod is rotatably mounted in the mounting groove, a valve core is arranged in the valve body shell, and a central shaft is fixedly connected to the lower end of the valve core and extends below the pressing plate.
[0008] In at least some embodiments, a fixing plate is fixedly connected to the lower end of the central shaft, a compression spring is arranged between the upper surface of the fixing plate and the pressing plate, and the compression spring is mounted on the central shaft.
[0009] In at least some embodiments, the positioning mechanism includes a limiting support, one end of the limiting support is fixedly connected with a supporting rod, the supporting rod is fixedly connected to the upper surface of the pressing plate on both sides, and an outer protective frame is slidably mounted on both sides of the limiting support.
[0010] In at least some embodiments, a rotating shaft is rotatably mounted at the connection between the limiting support and the supporting rod, a fixing rod is fixedly connected to the middle of the outer side wall of the rotating shaft, a side clamp is fixedly connected to the upper end of the fixing rod, and the side clamp is located on both sides of the upper knob.
[0011] In at least some embodiments, upper connecting plates are fixedly connected to both ends of the rotating shaft, side connecting levers are rotatably mounted at the lower end of the upper connecting plates, connecting seats are rotatably mounted at the upper end of the side connecting levers, and the connecting seats are fixedly connected to the inner wall of the outer protective frame.
[0012] Compared with the prior art, the advantages and positive effects of the present application are as follows: 1. In the present application, the outer protective frame is mounted on the automobile fuel tank through the screw hole, and the valve core and the central shaft are lifted in the valve body shell by rotating the connecting rod to contact the fixing plate, so that the gasoline is transported through the valve core. When disassembling and assembling the pressure regulating valve, the valve body shell can be sealed by rotating the nut, and the nut can be pressed and fixed by rotating the threaded rod driven by the upper knob, thereby improving the sealing efficiency of the regulating valve. The threaded rod can also drive the outer protective frame to lift and protect the valve body mechanism.
[0013] 2. In the present application, the rotating shaft can be rotated by the side connecting lever and the upper connecting lever during the lifting of the outer protective frame, and the side clamp can be rotated around the rotating shaft, so that the side clamp moves to both sides of the nut to limit the nut and prevent the nut from loosening. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 Figure 1 is a schematic diagram of the overall structure of one side of the automobile fuel pump pressure regulating valve mounting structure of the present application; Figure 2 Figure 2 is a schematic diagram of the overall structure of the other side of the automobile fuel pump pressure regulating valve mounting structure of the present application; Figure 3Fig. 1 is a schematic perspective view of the overall structure of a valve body mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application; Figure 4 Fig. 2 is a schematic perspective view of the cross-sectional structure of a valve body mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application; Figure 5 Fig. 3 is a schematic perspective view of the overall structure of a frame mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application; Figure 6 Fig. 4 is a schematic perspective view of a partial structure of a frame mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application; Figure 7 Fig. 5 is a schematic perspective view of the overall structure of a positioning mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application.
[0015] Fig. 6 is a schematic perspective view of a partial structure of a positioning mechanism of an automobile fuel pump pressure regulating valve installation structure according to the present application. DETAILED DESCRIPTION
[0016] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0017] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, and therefore, the present application is not limited to the specific embodiments disclosed in the following description.
[0018] In the prior art, the automobile fuel pressure regulator is a core component of the modern automobile electronic control engine fuel supply system, wherein the fuel pump pressure regulating valve is directly installed on the oil tank to be driven by the connecting rod to spray oil. Since the engine will generate vibration when starting the automobile, the vibration is transmitted to the fuel pump pressure regulating valve, causing a gap at the connection between the fuel pump pressure regulating valve and the oil tank, resulting in the phenomenon of oil leakage, thereby reducing the practicability of the fuel pump pressure regulating valve, and a large amount of manpower is wasted when disassembling the fuel pump pressure regulating valve for maintenance of the automobile engine.
[0019] To this end, the present application aims at driving the upper knob 105 to rotate the threaded rod 104 through the frame mechanism 100 to press and fix the nut 205, thereby improving the efficiency of the regulating valve sealing, and the threaded rod 104 can also drive the outer protective frame 101 to ascend and descend, and the outer protective frame 101 can protect the valve body mechanism 200, and when the outer protective frame 101 ascends and descends, the linkage positioning mechanism 300 drives the side clamps 303 to move to the two sides of the nut 205, thereby limiting the nut 205 and preventing the nut 205 from loosening.
[0020] In an embodiment, according to the present application Figures 1-7 The present application provides a kind of automobile fuel pump pressure regulating valve installation structure, including frame mechanism 100, the frame mechanism 100 is installed with positioning mechanism 300, the positioning mechanism 300 is installed with valve body mechanism 200, and the frame mechanism 100 is driven to connect in valve body mechanism 200;As shown in Figures 5-6 The frame mechanism 100 includes two outer protective frames 101, and the two outer protective frames 101 are arranged in parallel, bolt holes 102 are formed at the two ends of the two outer protective frames 101, a connecting rod 103 is fixedly connected between the upper ends of the two outer protective frames 101, a threaded rod 104 is engagedly connected to the middle part of the connecting rod 103, and an upper knob 105 is fixedly connected to the upper end of the threaded rod 104.
[0021] As shown in Figures 3-4As shown, the valve body mechanism 200 includes a valve body shell 201, the lower end of the valve body shell 201 is fixedly connected with a lower pressing plate 202, the upper end of the valve body shell 201 is fixedly connected with an upper mounting plate 204, the inside of the valve body shell 201, the lower pressing plate 202 and the upper mounting plate 204 is provided through, the two sides of the valve body shell 201 are fixedly connected with inlet and outlet oil ports 203, the upper side of the valve body shell 201 is engagedly connected with a nut 205, the upper surface of the nut 205 is provided with a mounting groove 206, the mounting groove 206 is rotatably installed with a threaded rod 104, the valve body shell 201 is provided with a valve core 210, the lower end of the valve core 210 is fixedly connected with a central shaft 207, the central shaft 207 extends to below the lower pressing plate 202, the lower end of the central shaft 207 is fixedly connected with a fixed plate 208, the upper surface of the fixed plate 208 and the lower pressing plate 202 are provided with a compression spring 209, the compression spring 209 is installed on the central shaft 207, the outer protective frame 101 is installed on the automobile oil tank through the screw hole 102, and then the connecting rod rotates to contact the fixed plate 208 to drive the valve core 210 and the central shaft 207 to lift in the valve body shell 201, that is, the valve core 210 can drive the gasoline to be transported, when the pressure regulating valve is disassembled, the valve body shell 201 can be sealed by rotating the nut 205, and then the threaded rod 104 is rotated by the upper knob 105 to drive the nut 205 to be pressed and fixed, thereby improving the efficiency of the regulating valve sealing, and the threaded rod 104 can also drive the outer protective frame 101 to lift, and the outer protective frame 101 can protect the valve body mechanism 200.
[0022] As shown, Figure 7 As shown, the positioning mechanism 300 includes a limiting support 301, one end of the limiting support 301 is fixedly connected with a supporting rod 302, the supporting rod 302 is fixedly connected to the upper surface of the lower pressing plate 202, the two sides of the limiting support 301 are slidably installed with the outer protective frame 101, the connecting place of the limiting support 301 and the supporting rod 302 is rotatably installed with a rotating shaft 305, the outer side wall of the rotating shaft 305 is fixedly connected with a fixed rod 304 in the middle, the upper end of the fixed rod 304 is fixedly connected with a side clamp 303, the side clamp 303 is located on both sides of the upper knob 105, the two ends of the rotating shaft 305 are fixedly connected with an upper connecting plate 306, the lower end of the upper connecting plate 306 is rotatably installed with a side connecting handle 307, the upper end of the side connecting handle 307 is rotatably installed with a connecting seat 308, the connecting seat 308 is fixedly connected to the inner wall of the outer protective frame 101, when the outer protective frame 101 lifts, the rotating shaft 305 can be rotated through the side connecting handle 307 and the upper connecting handle 306, the rotating shaft 305 can drive the side clamp 303 to rotate around the rotating shaft 305, and the side clamp 303 will move to both sides of the nut 205 to limit the nut 205 and prevent the nut 205 from loosening.
[0023] The working principle of the present application is that: first, the outer protection frame 101 is installed on the automobile oil tank through the screw hole 102, and then the valve core 210 and the center shaft 207 in the valve body shell 201 are lifted by the connecting rod rotary contact fixing plate 208, that is, the valve core 210 can drive the gasoline to be transported, when the pressure regulating valve is disassembled, the valve body shell 201 can be sealed by rotating the nut 205, and then the screw rod 104 can be pressed and fixed by rotating the upper knob 105 to drive the nut 205, thereby improving the sealing efficiency of the regulating valve, and the screw rod 104 can also drive the outer protection frame 101 to lift, and the valve body mechanism 200 is protected by the outer protection frame 101, when the outer protection frame 101 is lifted, the rotary shaft 305 can be rotated by the side connecting handle 307 and the upper connecting handle 306, the side clamp 303 can be rotated around the rotary shaft 305, and the side clamp 303 can be moved to the both sides of the nut 205 to limit the nut 205 and prevent the nut 205 from loosening.
[0024] The above is only a preferred embodiment of the present application, and is not limited in other forms. Any skilled person in the art can use the disclosed technical content to make changes or modifications to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution content of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical solution of the present application.
Claims
1. An automobile fuel pump pressure regulating valve mounting structure comprising a frame mechanism (100), characterized in that: a positioning mechanism (300) is mounted in the frame mechanism (100), a valve body mechanism (200) is mounted in the positioning mechanism (300), and the frame mechanism (100) is drivingly connected to the valve body mechanism (200); the frame mechanism (100) comprises two outer protective frames (101) arranged in parallel, bolt holes (102) are formed at both ends of the two outer protective frames (101), a connecting rod (103) is fixedly connected between the upper ends of the two outer protective frames (101), a threaded rod (104) is engagedly connected to the middle part of the connecting rod (103), and an upper knob (105) is fixedly connected to the upper end of the threaded rod (104). the valve body mechanism (200) comprises a valve body shell (201), a lower pressing plate (202) is fixedly connected to the lower end of the valve body shell (201), an upper mounting plate (204) is fixedly connected to the upper end of the valve body shell (201), the valve body shell (201), the lower pressing plate (202) and the upper mounting plate (204) are arranged in a penetrating manner, oil inlet and outlet ports (203) are fixedly connected to the two sides of the valve body shell (201), and a nut (205) is engagedly connected above the valve body shell (201).
2. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 1, characterized in that: an installation groove (206) is formed on the upper surface of the nut (205), the threaded rod (104) is rotatably installed in the installation groove (206), a valve core (210) is arranged in the valve body shell (201), a central shaft (207) is fixedly connected to the lower end of the valve core (210), and the central shaft (207) extends below the lower pressing plate (202).
3. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 2, characterized in that: a fixed plate (208) is fixedly connected to the lower end of the central shaft (207), a compression spring (209) is arranged between the upper surface of the fixed plate (208) and the lower pressing plate (202), and the compression spring (209) is installed on the central shaft (207).
4. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 3, characterized in that: the positioning mechanism (300) comprises a limiting support (301), a supporting rod (302) is fixedly connected to one end of the limiting support (301), the supporting rod (302) is fixedly connected to the two sides of the upper surface of the lower pressing plate (202), and the limiting support (301) is slidingly installed on the two sides of the outer protective frame (101).
5. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 1, characterized in that: a rotating shaft (305) is rotatably installed at the connection between the limiting support (301) and the supporting rod (302), a fixed rod (304) is fixedly connected to the middle part of the outer side wall of the rotating shaft (305), a side clamp (303) is fixedly connected to the upper end of the fixed rod (304), and the side clamp (303) is located on both sides of the upper knob (105).
6. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 5, characterized in that: upper connecting plates (306) are fixedly connected to the two ends of the rotating shaft (305), side connecting levers (307) are rotatably installed at the lower ends of the upper connecting plates (306), connecting seats (308) are rotatably installed at the upper ends of the side connecting levers (307), and the connecting seats (308) are fixedly connected to the inner walls of the outer protective frames (101).
7. The mounting structure for a pressure regulating valve of a fuel pump of an automobile according to claim 6, characterized in that: