CN213874780U - Fuel pressure gauge with flow detection function - Google Patents
Fuel pressure gauge with flow detection function Download PDFInfo
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- CN213874780U CN213874780U CN202120086217.4U CN202120086217U CN213874780U CN 213874780 U CN213874780 U CN 213874780U CN 202120086217 U CN202120086217 U CN 202120086217U CN 213874780 U CN213874780 U CN 213874780U
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- tube
- pressure gauge
- detection function
- fuel pressure
- flow detection
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Abstract
The utility model discloses a fuel pressure gauge with flow detection function, including first body and manometer body, the one end and the manometer body of first body link to each other, still even there is the relief valve on the first body, be equipped with brake valve handle on the relief valve. The utility model discloses be applied to manometer technical field.
Description
Technical Field
The utility model relates to a manometer technical field, concretely relates to fuel pressure gauge with flow detection function.
Background
The fuel pump is a functional component of an electronic fuel injection system of a motorcycle, and has poor working environment and high failure rate. The fuel delivery flow and pressure of the fuel pump need to be accurately detected to judge the working state of the fuel pump.
In the prior art, the working state of the fuel pump cannot be accurately judged only by detecting the fuel pressure by the pressure gauge.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
A fuel pressure gauge with a flow detection function solves the technical problem that the working state of a fuel pump cannot be accurately judged.
(II) technical scheme
For solving the technical problem, the utility model provides a fuel pressure gauge with flow detection function, including first body and manometer body, the one end and the manometer body of first body link to each other, still even there is the relief valve on the first body, be equipped with brake valve handle on the relief valve.
In a further improvement, the pressure relief valve comprises a second pipe body and a needle valve core, one end of the second pipe body is communicated with the first pipe body, the control handle is arranged at the other end of the second pipe body, one end of the needle valve core extends to the joint of the second pipe body and the first pipe body, and the other end of the needle valve core is in transmission connection with the control handle;
and a pressure relief opening is formed in the second tube body.
In a further improvement, one end of the control handle close to the valve core of the needle valve is in transmission connection with the second pipe body through a thread structure.
In a further improvement, the pressure relief opening is connected with a third tube body.
In a further improvement, a connecting part for connecting a pipeline is arranged at one end, far away from the second pipe body, of the third pipe body.
In a further improvement, the connecting portion is a truncated cone-shaped convex portion arranged along the circumferential direction of the third pipe body, and one end of the truncated cone-shaped convex portion, which is large in diameter, is close to the second pipe body.
(III) advantageous effects
The utility model discloses fuel pressure gauge with flow detection function, the other end and defeated oil pipe of first body, defeated oil pipe and fuel pump intercommunication. The opening degree of the pressure release valve is controlled through the control handle, so that the pressure release flow of the pressure release valve is controlled. In the process that the pressure relief valve is opened to be fully opened, the pressure change of the pressure gauge body is observed, and if the pressure value of the pressure gauge body is basically unchanged, the working state of the fuel pump is good; if the pressure value of the pressure gauge body changes along with the opening of the pressure relief valve, the working state of the fuel pump is poor. The larger the pressure value change of the pressure gauge body is, the worse the working state of the fuel pump is. If the pressure relief valve is opened a little and the pressure value of the pressure gauge is dropped, the working state of the fuel pump is proved to be problematic.
The utility model discloses fuel pressure gauge with flow measurement function can satisfy the detection of the operating parameter of various types of fuel pumps comprehensively, still through the test of fuel feeding pressure and flow, can be accurate detect the operating condition of fuel pump, can not cause the fuel to leak and pollute. The device has the advantages of obvious reading, easy interpretation, stable quality, small volume, compact structure, convenient connection, accordance with humanized design and the like.
Drawings
Fig. 1 is a connection relationship diagram of a fuel pressure gauge and an oil delivery pipe with a flow detection function according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a fuel pressure gauge with a flow detection function includes a first tube 1 and a pressure gauge body 2, one end of the first tube 1 is connected to the pressure gauge body 2, the first tube 1 is further connected to a pressure release valve 3, and the pressure release valve 3 is provided with a control handle 4.
The fuel pressure gauge with the flow detection function of the embodiment comprises the other end of the first pipe body 1, an oil delivery pipe 101, and the oil delivery pipe 101 is communicated with a fuel pump. The opening degree of the pressure release valve 3 is controlled through the control handle 4, so that the pressure release flow of the pressure release valve 3 is controlled. In the process that the pressure release valve 3 is opened from the beginning to the full opening, the pressure change of the pressure gauge body 2 is observed, and if the pressure value of the pressure gauge body 2 is basically unchanged, the working state of the fuel pump is good; if the pressure value of the pressure gauge body 2 changes with the opening of the relief valve 3, the operation state of the fuel pump is not good. The larger the change of the pressure value of the pressure gauge body 2 is, the worse the working state of the fuel pump is. If the pressure relief valve 3 is opened a little and the pressure value of the pressure gauge is reduced from 5 to 4, the working state of the fuel pump is indicated to be problematic.
The fuel pressure gauge with the flow detection function can comprehensively meet the detection of working parameters of various fuel pumps, can accurately detect the working state of the fuel pump through the tests of fuel supply pressure and flow, and cannot cause fuel leakage and pollution. The device has the advantages of obvious reading, easy interpretation, stable quality, small volume, compact structure, convenient connection, accordance with humanized design and the like.
Further, in an embodiment, the relief valve 3 includes a second pipe 31 and a needle valve core 32, one end of the second pipe 31 is communicated with the first pipe 1, the control handle 4 is arranged at the other end of the second pipe 31, one end of the needle valve core 32 extends to a joint of the second pipe 31 and the first pipe 1, and the other end of the needle valve core 32 is in transmission connection with the control handle 4;
the second tube 31 is provided with a pressure relief opening. The opening degree of the valve core 32 of the needle valve is controlled by the axial movement of the control handle 4 along the second pipe body 31, the control is convenient, and the structure is simple. The pressure relief port is used for discharging fuel discharged from the needle valve core 32, and preferably, the pressure relief port can be communicated with a fuel tank, and the discharged fuel flows into the fuel tank, so that waste is avoided.
Further, in an embodiment, an end of the control handle 4 close to the needle valve core 32 is drivingly connected in the second tube 31 through a threaded structure. Specifically, one end of the control handle 4 close to the needle valve core 32 is provided with a first thread, and a second thread matched with the first thread is arranged in the second pipe body 31. The control handle 4 moves axially in the second tube 31 through the first and second threads.
Further, in an embodiment, the pressure relief opening is connected with a third tube 5, and the third tube 5 is used for connecting a pipeline and is communicated with the oil tank through the pipeline.
Further, in an embodiment, an end of the third tube 5 away from the second tube 31 is provided with a connection portion for connecting a pipeline.
Further, in an embodiment, the connecting portion is a truncated cone shaped protrusion 6 disposed along the circumferential direction of the third tube 5, and one end of the truncated cone shaped protrusion 6 with a larger diameter is close to the second tube 31. The truncated cone-shaped convex part 6 is convenient to be connected with the pipeline in a sealing way, so that oil leakage at the joint of the truncated cone-shaped convex part 6 and the pipeline is prevented, the structure is simple, and an extra sealing structure is not required to be adopted deliberately.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a fuel pressure gauge with flow detection function, its characterized in that, includes first body and manometer body, the one end and the manometer body of first body link to each other, still even there is the relief valve on the first body, be equipped with brake valve handle on the relief valve.
2. The fuel pressure gauge with the flow detection function according to claim 1, wherein the pressure release valve comprises a second tube and a needle valve core, one end of the second tube is communicated with the first tube, the control handle is arranged at the other end of the second tube, one end of the needle valve core extends to the joint of the second tube and the first tube, and the other end of the needle valve core is in transmission connection with the control handle;
and a pressure relief opening is formed in the second tube body.
3. The fuel pressure gauge with flow detection function of claim 2, wherein the control handle is connected to the second tube body through a screw structure at one end close to the valve core of the needle valve.
4. The fuel pressure gauge with the flow detection function according to claim 2, wherein a third tube is connected to the pressure relief port.
5. The fuel pressure gauge with flow rate detection function according to claim 4, wherein an end of the third tube body remote from the second tube body is provided with a connection portion for connecting a pipe.
6. The fuel pressure gauge with flow rate detection function according to claim 5, wherein the connecting portion is a truncated cone-shaped protrusion provided along a circumferential direction of the third pipe, and an end of the truncated cone-shaped protrusion having a larger diameter is close to the second pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120086217.4U CN213874780U (en) | 2021-01-13 | 2021-01-13 | Fuel pressure gauge with flow detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120086217.4U CN213874780U (en) | 2021-01-13 | 2021-01-13 | Fuel pressure gauge with flow detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213874780U true CN213874780U (en) | 2021-08-03 |
Family
ID=77045347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120086217.4U Active CN213874780U (en) | 2021-01-13 | 2021-01-13 | Fuel pressure gauge with flow detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213874780U (en) |
-
2021
- 2021-01-13 CN CN202120086217.4U patent/CN213874780U/en active Active
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