CN210566488U - Efficient oil pressure regulator - Google Patents
Efficient oil pressure regulator Download PDFInfo
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- CN210566488U CN210566488U CN201921556876.9U CN201921556876U CN210566488U CN 210566488 U CN210566488 U CN 210566488U CN 201921556876 U CN201921556876 U CN 201921556876U CN 210566488 U CN210566488 U CN 210566488U
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Abstract
The utility model relates to an efficient oil pressure regulator, include: go up valve body, lower valve body, packing ring, valve, diaphragm assemblage and spring, the valve is a cavity barrel, and the relation of connection is: the upper valve body and the lower valve body are connected to form an accommodating space, the valve, the diaphragm assembly and the spring are sequentially connected in the accommodating space, and one end of the valve protrudes out of the upper valve body; the diaphragm assembly comprises a diaphragm and a sealing support, the diaphragm is a circular sheet body, the diaphragm is provided with a central through hole and at least two sheet body through holes, the sealing support is connected with the central through hole, the outer edge of the diaphragm is fixedly connected with the upper valve body and the lower valve body, and after assembly, the valve and the sealing support are concentric. The utility model discloses it is sealed effectual, the valve is the rubber coating state, and rubber seal is better than the hard seal between the stainless steel.
Description
Technical Field
The utility model relates to an annex among the automobile fuel supply system especially relates to an efficient plays the oil pressure regulator that keeps the inside predetermined oil pressure value of system.
Background
The working principle of the oil pressure regulator in the prior art is as follows: the two sealing diaphragms divide the inner cavity of the valve body into two small chambers, one is a spring chamber, and a compression spring with pretightening force is arranged in the spring chamber and acts on the valve ball seat; the other chamber is a fuel chamber and is directly connected to the fuel supply main pipe. When the oil pressure of the fuel entering the fuel chamber of the fuel supply main pipe exceeds a preset value, the fuel pressure pushes the sealing diaphragm, the valve ball seat and the valve ball downwards together to overcome the pressure of the spring to separate the valve from the valve ball, and the surplus fuel in the fuel chamber enters the oil return pipe through the through hole in the valve and returns to the fuel tank, so that the oil pressure of the fuel chamber of the fuel supply main pipe and the pressure regulator is kept at the preset oil pressure value.
The prior art oil pressure regulator has the following defects in practical use:
the oil pressure regulators are all diaphragm oil pressure regulators, the diaphragm is a rubber product, the pressure stability under high pressure cannot be realized, the diaphragm expands more when the pressure is higher, the damping is easy to realize, along with the increase of fuel oil products, such as ethanol gasoline, methanol gasoline and other fuel oil products, the corrosion degree of different oil products on parts of the oil pressure regulators is different, the rubber diaphragm has different aging and the like on different oil products, and the performance of the rubber diaphragm can be gradually attenuated;
and (II) the oil pressure regulator has larger volume. The space occupied by the fuel pump assembly is large, the design of the fuel pump assembly is limited, and the oil pipe arrangement is difficult;
and thirdly, the slope of the oil pressure regulator is larger. Because the oil pressure regulator adopts spring pressure and stretching of a sealing diaphragm to control the fuel pressure, the pressure change value of the oil pressure regulator changes along with the flow change of the fuel pump, the larger the flow change is, the larger the fuel system pressure is, and the system pressure possibly exceeds the required value.
Therefore, there is also a room for improvement in the prior art oil pressure regulators.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an efficient oil pressure regulator to solve current technical problem.
To achieve the above object, the present invention provides an efficient oil pressure regulator, including: go up valve body, lower valve body, packing ring, valve, diaphragm assemblage and spring, the valve is a cavity barrel, and the relation of connection is: the upper valve body and the lower valve body are connected to form an accommodating space, the valve, the diaphragm assembly and the spring are sequentially connected in the accommodating space, and one end of the valve protrudes out of the upper valve body; the diaphragm assembly comprises a diaphragm and a sealing support, the diaphragm is a circular sheet body, the diaphragm is provided with a central through hole and at least two sheet body through holes, the sealing support is connected with the central through hole, the outer edge of the diaphragm is fixedly connected with the upper valve body and the lower valve body, and after assembly, the valve and the sealing support are concentric.
According to the preferred embodiment of the present invention, the bottom surface of the valve is encapsulated by a rubber ring, the rubber ring is an annular body, the rubber ring protrudes out of the bottom surface of the valve, and the rubber ring is connected to the sealing support.
According to the utility model discloses preferred embodiment oil pressure regulator still includes the filter screen, the filter screen is connected the last through-hole of valve.
According to the utility model discloses preferred embodiment oil pressure regulator still include O shape circle, the packing ring is an annular hollow body, the packing ring cover is established and is connected the valve protrusion in the surface of last valve body one end, valve, filter screen with the packing ring forms an annular groove, O shape circle is connected annular groove.
The utility model discloses improve current oil pressure regulator, the most main purpose is exactly for making oil pressure regulator have the practicality more. The specific objectives are as follows:
1. the oil pressure regulator is designed, and the stainless steel sheet is used as the diaphragm, so that the oil pressure regulator can be more suitable for different oil product environments, the performance cannot be greatly influenced, and meanwhile, the stainless steel diaphragm can improve the pressure range of the oil pressure regulator and the upper limit of the pressure;
2. the overall dimension of the oil pressure regulator is reduced, so that the structural design is better during the design of the fuel pump assembly, and the design is optimized;
3. the slope of the oil pressure regulator is reduced, after the flow rate is increased to a certain specific value, the pressure of the oil pressure regulator is basically unchanged and tends to a gentle state, so that the slope of the oil pressure regulator is effectively reduced, and even if the flow rate is increased excessively instantly, the pressure of a fuel system cannot be increased excessively.
Therefore, compared with the prior art, the utility model has the advantages of it is following:
first, this application is sealed effectual, and the valve is the rubber coating state, and rubber seal is better than the hard seal between the stainless steel. The pressure range of the oil pressure regulator is enlarged, the upper limit is higher than that of the existing oil pressure regulator, and the oil pressure regulator can be used as a high-pressure product and can adapt to more oil products;
the oil pressure regulator is small in overall dimension and convenient to install, and can provide convenience for designing a fuel pump assembly;
third, this application oil pressure regulator pressure reaches steady state after the flow reaches a definite value, makes fuel system have a stable pressure system at the during operation, controls the emission better.
Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.
Drawings
FIG. 1 is a schematic cross-sectional view of an oil pressure regulator according to the present application;
FIG. 2 is a schematic view of the oil discharge from the oil pressure regulator of the present application;
FIG. 3 is a exploded view of the structure of the oil pressure regulator of the present application.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, an efficient oil pressure regulator includes: go up valve body 5, lower valve body 9, packing ring 3, valve 4, diaphragm assemblage and spring 8, valve 4 is a cavity barrel, as shown in figure 1, and the relation of connection is: the upper valve body 5 and the lower valve body 9 are connected to form an accommodating space, the valve 4, the diaphragm assembly and the spring 8 are sequentially connected in the accommodating space, one end of the valve 4 protrudes out of the upper valve body 5, the outer surface of the valve 4 and the inner wall of the upper valve body 5 are in interference fit, the valve 4 is stably connected to the inner wall of the upper valve body 5, and the valve 4 and the diaphragm assembly form a sealing framework; wherein, the diaphragm assemblage includes diaphragm 6 and seal holder 7, diaphragm 6 is a circular lamellar body, a central through-hole and two at least lamellar body through-holes are seted up to diaphragm 6, as shown in fig. 3, the quantity of lamellar body through-hole is six, but can not be used for restricting this application, and several or few more, as long as can satisfy the oil extraction requirement, all should be the protection scope of this application, seal holder 7 connects diaphragm 6 central through-hole, the outer fringe fixed connection of diaphragm 6 go up valve body 5 and lower valve body 9, as shown in fig. 1, connecting when going up valve body 5 and lower valve body 9, also will the outer fringe of diaphragm 6 is fixed, the assembly back, valve 4 with seal holder 7 is concentric.
Referring to fig. 1, the sealing bracket 7 is a step-shaped circular plate, the side with the larger diameter faces the valve 4, and the side with the smaller diameter is inserted into the central through hole of the diaphragm 6. As shown, the sealing support 7 extends through the diaphragm 6 and is fixed to the sealing support 7, so that the diaphragm 6 is stable, and the sealing surface of the sealing support 7 contacting with the valve 4 can be a plane or a circular arc or any other shape which is beneficial for sealing contact with the valve 4. In addition, the diaphragm of this application is a metal diaphragm, a central through hole and two at least lamellar body through-holes are seted up to the metal diaphragm to the aperture is adjusted according to the demand, so that the fuel circulation.
As shown in fig. 1, a rubber ring 4a is connected to the bottom surface of the valve 4 in an encapsulating manner, the rubber ring 4a is an annular body, the rubber ring 4a protrudes out of the bottom surface of the valve 4, the rubber ring 4a is connected to the sealing bracket 7 to form a sealing framework, and when the pressure is smaller than a set value, fuel cannot flow out of the valve 4.
Preferably, the oil pressure regulator of the present application further comprises a filter screen 1, wherein the filter screen 1 is connected to the upper through hole of the valve 4, and the filter screen 1 is used for filtering fuel oil. In addition, still include O shape circle 2, packing ring 3 is an annular hollow body, 3 covers of packing ring establish the connection 4 protrusion in go up the surface of 5 one ends of valve body, as shown in fig. 1, 4 upper ends of valve run through in the mesopore of packing ring 3, 3 contacts of packing ring are connected the up end of going up valve body 5, valve 4, packing ring 3, filter screen 1 form an annular groove, O shape circle 2 is connected the annular groove forms the sealed of oil pressure regulator and external fixing device. The blocking of the gasket 3 can prevent the oil pressure regulator from popping out from the gap between the oil pressure regulator and the fixing device after the O-shaped ring 2 is softened under high temperature and high pressure, and the O-shaped ring 2 has the function of preventing fuel leakage.
As shown in fig. 2, the oil discharge process of the oil pressure regulator of the present application is as follows: when fuel oil of the fuel supply main pipe enters the valve 4 and the pressure of the fuel oil exceeds a preset value, the pressure of the fuel oil pushes the sealing support 7 downwards, when the spring pressure of the spring 8 is overcome, the sealing support 7 leaves the rubber ring 4a of the valve 4, and the surplus fuel oil flows back to the fuel oil tank through the sheet body through hole of the diaphragm 6 and the through hole of the lower valve body 9, so that the oil pressure of the fuel supply main pipe and the pressure regulator is kept at a preset oil pressure value.
Therefore, compared with the prior art, the utility model has the advantages of it is following:
first, this application is sealed effectual, and the valve is the rubber coating state, and rubber seal is better than the hard seal between the stainless steel. The pressure range of the oil pressure regulator is enlarged, the upper limit is higher than that of the existing oil pressure regulator, and the oil pressure regulator can be used as a high-pressure product and can adapt to more oil products;
the oil pressure regulator is small in overall dimension and convenient to install, and can provide convenience for designing a fuel pump assembly;
third, this application oil pressure regulator pressure reaches steady state after the flow reaches a definite value, makes fuel system have a stable pressure system at the during operation, controls the emission better.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (4)
1. A high efficiency oil pressure regulator, comprising: go up valve body, lower valve body, packing ring, valve, diaphragm assemblage and spring, the valve is a cavity barrel, and the relation of connection is: the upper valve body and the lower valve body are connected to form an accommodating space, the valve, the diaphragm assembly and the spring are sequentially connected in the accommodating space, and one end of the valve protrudes out of the upper valve body; the diaphragm assembly comprises a diaphragm and a sealing support, the diaphragm is a circular sheet body, the diaphragm is provided with a central through hole and at least two sheet body through holes, the sealing support is connected with the central through hole, the outer edge of the diaphragm is fixedly connected with the upper valve body and the lower valve body, and after assembly, the valve and the sealing support are concentric.
2. The oil pressure regulator of claim 1, wherein the bottom surface of the valve is encapsulated by a rubber ring, the rubber ring is an annular body, the rubber ring protrudes from the bottom surface of the valve, and the rubber ring is connected to the seal holder.
3. The oil pressure regulator of claim 2, further comprising a screen coupled to the upper throughbore of the valve.
4. The oil pressure regulator of claim 3, further comprising an O-ring, wherein the gasket is an annular hollow body, the gasket is sleeved on and connected to an outer surface of the valve protruding from one end of the upper valve body, the valve, the filter screen and the gasket form an annular groove, and the O-ring is connected to the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556876.9U CN210566488U (en) | 2019-09-19 | 2019-09-19 | Efficient oil pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921556876.9U CN210566488U (en) | 2019-09-19 | 2019-09-19 | Efficient oil pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566488U true CN210566488U (en) | 2020-05-19 |
Family
ID=70629136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921556876.9U Active CN210566488U (en) | 2019-09-19 | 2019-09-19 | Efficient oil pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566488U (en) |
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2019
- 2019-09-19 CN CN201921556876.9U patent/CN210566488U/en active Active
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