CN210858999U - Fuel pump flange and car - Google Patents
Fuel pump flange and car Download PDFInfo
- Publication number
- CN210858999U CN210858999U CN201922100698.5U CN201922100698U CN210858999U CN 210858999 U CN210858999 U CN 210858999U CN 201922100698 U CN201922100698 U CN 201922100698U CN 210858999 U CN210858999 U CN 210858999U
- Authority
- CN
- China
- Prior art keywords
- flange
- fuel pump
- rollover valve
- hole
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 53
- 239000000523 sample Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000295 fuel oil Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides a fuel pump flange and an automobile, wherein the fuel pump flange comprises a flange, a rollover valve and a pressure sensor, wherein the rollover valve and the pressure sensor are arranged on the flange; a hollow round table is arranged on the outer surface of the flange, and a rollover valve is arranged in the hollow round table; the outer surface of the flange is provided with a fuel pump electric appliance connector and a mounting platform which is arranged close to the fuel pump electric appliance connector, and the mounting platform is provided with a pressure sensor. The fuel pump flange solves the installation problem of a rollover valve and a pressure sensor, reduces the holes of a fuel tank to the maximum extent, and reduces fuel oil permeation; the pressure sensor electrical connector and the fuel pump electrical connector are close to each other, so that an electrical harness is convenient to arrange.
Description
Technical Field
The utility model relates to an automobile fuel system technical field especially indicates a fuel pump flange and car.
Background
The light automobile pollutant emission limit value and the measuring method (the sixth stage of China) are promulgated, the standard puts higher requirements on fuel evaporative emission, and the method mainly comprises three aspects, namely reduction of permeation emission of a fuel system, requirement of recovery of refueling vapor through a vehicle-mounted evaporation system, and requirement of self-checking of leakage of the fuel evaporative system.
The rollover valve is an exhaust valve arranged on the fuel tank, when the vehicle is normally parked, the valve is opened, and the fuel vapor in the fuel tank is exhausted to the carbon canister through the rollover valve and is adsorbed; when the vehicle inclines or turns over, the valve is closed, and the oil is prevented from leaking through the turning valve. The rollover valve is a plastic structural member, the rollover valve can be directly welded on a fuel tank for a plastic fuel tank, a metal fuel tank needs to be installed through a flange structure, holes need to be formed in the two fuel tanks, and the more the fuel tanks are, the higher the permeation discharge is.
A carbon tank ventilation valve and a pressure sensor are required to be installed in the leakage self-detection of the fuel system, the carbon tank ventilation valve closes an air port of the carbon tank during self-detection, the engine desorbs the carbon tank to enable negative pressure to be built in the fuel evaporation system, the pressure sensor transmits a negative pressure signal to an electronic control unit, and whether the fuel evaporation system leaks or not can be judged through the pressure signal and a series of algorithms. The closer the pressure sensor is mounted to the fuel tank, the more accurate the leak detection, and therefore, the pressure sensor is generally mounted on the flange of the fuel pump. How to integrate the rollover valve and the pressure sensor on the flange is a problem which is not solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fuel pump flange and car. The prior art has the problems that a rollover valve and a pressure sensor cannot be integrated on a flange, the rollover valve is installed on a fuel tank, and the permeation emission is high.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
a fuel pump flange comprises a flange, and a rollover valve and a pressure sensor which are arranged on the flange;
a hollow round table is arranged on the outer surface of the flange, and a rollover valve is installed in the hollow round table;
the outer surface of the flange is provided with a fuel pump electrical appliance connector and a mounting platform which is close to the fuel pump electrical appliance connector, and the mounting platform is provided with the pressure sensor.
The hollow circular truncated cone is internally provided with a first hole and a second hole which are communicated coaxially, the diameter of the first hole is smaller than that of the second hole, and a step is formed between the first hole and the second hole;
and the rollover valve extends into the second hole and is inserted into the first hole.
The mounting platform is provided with a mounting hole penetrating through the flange, and a left clamping jaw and a right clamping jaw are arranged on the mounting platform and positioned on two sides of the mounting hole;
the pressure sensor stretches into the mounting hole, and the left clamping jaw and the right clamping jaw clamp the pressure sensor.
The outer surface of the flange is also provided with an oil return port joint and an oil outlet joint;
the hollow round table is provided with a steam valve joint communicated with the hollow round table.
The rollover valve is provided with a positioning boss, and the positioning boss is clamped on the step.
The rollover valve comprises an upper rollover valve cover, a circle of elastic skirt edge is arranged on the upper rollover valve cover, and the elastic skirt edge and the hole one are clamped to form a sealing ring.
The pressure sensor comprises a sensor probe, and a sealing ring is arranged on the outer ring of the sensor probe;
the probe of the sensor extends into the mounting hole, and the sealing ring is in interference fit with the mounting hole.
The rollover valve comprises a rollover valve shell connected with the rollover valve upper cover, a sawtooth ring is arranged on the rollover valve shell and close to the rollover valve upper cover, and the sawtooth ring can be embedded into the hole I.
The pressure sensor also comprises a sensor body connected with the sensor probe, and a clamping groove is formed in the sensor body;
the left clamping jaw clamps the clamping groove of the sensor body, and the right clamping jaw clamps the sensor body.
An automobile comprises the fuel pump flange.
The above technical scheme of the utility model at least include following beneficial effect:
according to the scheme of the utility model, the fuel pump flange solves the installation problem of the rollover valve and the pressure sensor, the open pore of the fuel tank is reduced to the maximum extent, and the fuel permeation is reduced; the pressure sensor electrical connector and the fuel pump electrical connector are close to each other, and the electrical wiring harness is convenient to arrange.
Drawings
Fig. 1 is a schematic structural view of a gas pump assembly of the present invention;
FIG. 2 is a schematic structural view of a fuel pump flange according to the present invention;
fig. 3 is a schematic view of the installation of the rollover valve and the flange of the present invention;
fig. 4 is a first schematic structural diagram of the rollover valve of the present invention;
fig. 5 is a schematic structural view of a rollover valve of the present invention;
fig. 6 is a schematic view of the installation of the pressure sensor and the flange according to the present invention;
fig. 7 is a first schematic structural diagram of the pressure sensor of the present invention;
fig. 8 is a schematic structural diagram of a pressure sensor according to the present invention.
Reference numerals:
1. a flange; 11. a hollow round table; 111. a first hole; 112. a second hole; 113. a landing; 12. an electrical connector of a fuel pump; 13. a left jaw; 14. mounting holes; 15. a right jaw; 16. a steam valve connection; 17. an oil return port joint; 18. an oil outlet fitting; 2. a pressure sensor; 21. a card slot; 22. a sensor probe; 23. a seal ring; 24. a sensor body; 25. a sensor upper surface; 3. a roll-over valve; 31. an upper cover of the rollover valve; 311. an elastic skirt; 32. a sawtooth ring; 33. a roll-over valve housing; 331. and (5) positioning the boss.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 8, the present embodiment provides a fuel pump flange comprising a flange 1 and a rollover valve 3 and a pressure sensor 2 mounted on the flange 1; a hollow circular table 11 is arranged on the outer surface of the flange 1, and a rollover valve 3 is arranged in the hollow circular table 11; the outer surface of the flange 1 is provided with a fuel pump electric appliance connector 12 and a mounting platform which is arranged close to the fuel pump electric appliance connector 12, and the mounting platform is provided with a pressure sensor 2.
The rollover valve 3 of the embodiment is arranged on a flange of the fuel pump, replaces the original rollover valve 3 and is arranged on the fuel tank, so that holes on the fuel tank are reduced, fuel leakage is reduced to a certain extent, and permeation emission is reduced. The pressure sensor 2 is arranged on a flange of the fuel pump, negative pressure signals in the fuel tank can be accurately collected during leakage detection, and an electrical connector of the pressure sensor 2 is close to an electrical connector 12 of the fuel pump, so that an electrical harness is convenient to arrange.
As shown in fig. 3 to 5, the hollow circular truncated cone 11 provided in this embodiment is provided with a first hole 111 and a second hole 112 which are coaxially communicated with each other, the diameter of the first hole 111 is smaller than that of the second hole 112, and a step 113 is formed between the first hole 111 and the second hole 112. The rollover valve 3 extends into the second hole 112 and the first hole 111, a positioning boss 331 is arranged on the rollover valve 3, and the positioning boss 331 is clamped on the step 113. The positioning bosses 331 are preferably evenly provided with 4. The rollover valve 3 comprises a rollover valve upper cover 31, a circle of elastic skirt 311 is arranged on the rollover valve upper cover 31, and the elastic skirt 311 and the first hole 111 are clamped to form a sealing ring. The rollover valve 3 comprises a rollover valve shell 33 connected with the rollover valve upper cover 31, a sawtooth ring 32 is arranged on the rollover valve shell 33 and close to the rollover valve upper cover 31, and the sawtooth ring 32 can be embedded into the first hole 111. The elastic skirt 311 of the rollover valve 3 of the present embodiment can be compressed to form an external elastic force after being compressed, the external diameter of the elastic skirt 311 is larger than the internal diameter of the first hole 111 in a natural state, when the elastic skirt 311 is pressed into the first hole 111, the elastic skirt 311 is squeezed to clamp the rollover valve 3 in the hollow circular truncated cone 11, and the elastic skirt 311 and the first hole 111 are clamped to form a sealing ring, so that fuel vapor can only be discharged through the exhaust hole in the rollover valve 3, and the flow rate of the fuel vapor can be controlled. The largest outer diameter of the sawtooth ring 32 is larger than the inner diameter of the first hole 111, and after the elastic skirt 311 is pressed into the first hole 111, the sawteeth of the sawtooth ring 32 are pressed into the material in the first hole 111, so that the rollover valve 3 can be firmly fixed in the hollow round table 11. The positioning boss 331 is inserted into the second hole 112 and cannot be inserted into the first hole 111, when the rollover valve 3 is inserted into the second hole 112 and the first hole 111, the positioning boss 331 is clamped at the landing 113, and the rollover valve 3 is installed in place.
As shown in fig. 6-8, the mounting platform provided in this embodiment is provided with a mounting hole 14 penetrating through the flange 1, and a left jaw 13 and a right jaw 15 are provided on the mounting platform on two sides of the mounting hole 14; the pressure sensor 2 extends into the mounting hole 14, and the left claw 13 and the right claw 15 clamp the pressure sensor 2. The pressure sensor 2 comprises a sensor probe 22, and a sealing ring 23 is arranged on the outer ring of the sensor probe 22; the probe of the sensor extends into the mounting hole 14, and the sealing ring 23 is in interference fit with the mounting hole 14. The pressure sensor 2 also comprises a sensor body connected with a sensor probe 22, and a clamping groove 21 is arranged on the sensor body; the left clamping jaw 13 is clamped on the clamping groove 21 of the sensor body, and the right clamping jaw 15 is clamped on the sensor body. In the embodiment, the left clamping jaw 13 is aligned to the clamping groove 21, the sensor probe 22 is aligned to the mounting hole 14, after the pressure sensor 2 is pressed into the mounting platform, the left clamping jaw 13 is clamped on the clamping groove 21, the left clamping jaw 13 and the right clamping jaw 15 are buckled on the pressure sensor 2, and the pressure sensor 2 is fixed on a flange of a fuel pump. The pressure sensor provided by the embodiment comprises a sensor body 24, the sensor body 24 comprises a sensor upper surface 25, the sensor probe 22 is arranged on the sensor body 24, the pressure sensor 2 is fixed on a flange of the fuel pump, and the left claw 13 and the right claw 15 are buckled on the sensor upper surface 25. Specifically, the left jaw 13 extends into the slot 21, the pressure sensor 2 is positioned, the sensor probe 22 is aligned with the mounting hole 14, and the left jaw 13 and the right jaw 15 are pressed against the upper surface 25 of the sensor.
The outer surface of the flange 1 of the embodiment is also provided with an oil return port joint 17 and an oil outlet joint 18; the hollow round table 11 is provided with a steam valve joint 16 communicated with the hollow round table 11. The vapor valve connection 16 is used to connect a vapor line, through which the oil vapor discharged by the rollover valve is conveyed to the evap canister.
An automobile comprises the fuel pump flange.
It needs to emphasize that, be provided with the car of above-mentioned fuel pump flange, the security is high, avoids the oil leak, has improved car user's experience.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fuel pump flange is characterized by comprising a flange, a rollover valve and a pressure sensor, wherein the rollover valve and the pressure sensor are installed on the flange;
a hollow round table is arranged on the outer surface of the flange, and a rollover valve is installed in the hollow round table;
the outer surface of the flange is provided with a fuel pump electrical appliance connector and a mounting platform which is close to the fuel pump electrical appliance connector, and the mounting platform is provided with the pressure sensor.
2. A fuel pump flange as set forth in claim 1, wherein a first hole and a second hole are coaxially communicated with each other and are formed in the hollow circular truncated cone, the diameter of the first hole is smaller than that of the second hole, and a step is formed between the first hole and the second hole;
and the rollover valve extends into the second hole and is inserted into the first hole.
3. A fuel pump flange as set forth in claim 1, wherein said mounting platform is provided with a mounting hole extending through said flange, and said mounting platform is provided with left and right jaws on either side of said mounting hole;
the pressure sensor stretches into the mounting hole, and the left clamping jaw and the right clamping jaw clamp the pressure sensor.
4. A fuel pump flange as set forth in claim 1, further including an oil return connection and an oil outlet connection on an outer surface of said flange;
the hollow round table is provided with a steam valve joint communicated with the hollow round table.
5. A fuel pump flange as set forth in claim 2, wherein said rollover valve is provided with a positioning boss, said positioning boss being caught on said step.
6. A fuel pump flange as set forth in claim 2, wherein said rollover valve includes a rollover valve upper cover, said rollover valve upper cover having a ring of resilient skirt, said ring of resilient skirt engaging said aperture to form a sealing ring.
7. A fuel pump flange as set forth in claim 3, wherein said pressure sensor includes a sensor probe having a sealing ring disposed on an outer race thereof;
the probe of the sensor extends into the mounting hole, and the sealing ring is in interference fit with the mounting hole.
8. A fuel pump flange as set forth in claim 6, wherein said rollover valve includes a rollover valve housing connected to said rollover valve upper cover, said rollover valve housing having a serrated ring disposed adjacent said rollover valve upper cover, said serrated ring being insertable into said aperture.
9. A fuel pump flange as set forth in claim 7, wherein said pressure sensor further comprises a sensor body connected to said sensor probe, said sensor body having a detent disposed thereon;
the left clamping jaw clamps the clamping groove of the sensor body, and the right clamping jaw clamps the sensor body.
10. An automobile, characterized by comprising a fuel pump flange according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100698.5U CN210858999U (en) | 2019-11-29 | 2019-11-29 | Fuel pump flange and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100698.5U CN210858999U (en) | 2019-11-29 | 2019-11-29 | Fuel pump flange and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858999U true CN210858999U (en) | 2020-06-26 |
Family
ID=71291210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922100698.5U Expired - Fee Related CN210858999U (en) | 2019-11-29 | 2019-11-29 | Fuel pump flange and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858999U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898804A (en) * | 2021-09-27 | 2022-01-07 | 王熙尧 | A modular intelligent flange, fluid container flange and pipeline structure flange |
| CN114248864A (en) * | 2020-09-23 | 2022-03-29 | 本田技研工业株式会社 | Fuel pump unit cover and method of mounting the same |
-
2019
- 2019-11-29 CN CN201922100698.5U patent/CN210858999U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248864A (en) * | 2020-09-23 | 2022-03-29 | 本田技研工业株式会社 | Fuel pump unit cover and method of mounting the same |
| CN114248864B (en) * | 2020-09-23 | 2023-09-19 | 本田技研工业株式会社 | Fuel pump unit cover and method of installing the same |
| CN113898804A (en) * | 2021-09-27 | 2022-01-07 | 王熙尧 | A modular intelligent flange, fluid container flange and pipeline structure flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |