CN208587244U - Fuel pump flange plate integrated mechanism and fuel system including it - Google Patents
Fuel pump flange plate integrated mechanism and fuel system including it Download PDFInfo
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- CN208587244U CN208587244U CN201820957321.4U CN201820957321U CN208587244U CN 208587244 U CN208587244 U CN 208587244U CN 201820957321 U CN201820957321 U CN 201820957321U CN 208587244 U CN208587244 U CN 208587244U
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- fuel pump
- valve body
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Abstract
The utility model provides a kind of fuel pump flange plate integrated mechanism and the fuel system including it, the fuel pump flange plate integrated mechanism includes fuel oil pump assembly, tank pressure sensing device assembly, flange disc assembly and CFLVV valve integrated package, the flange disc assembly is mounted on the upper end of the fuel oil pump assembly, and the tank pressure sensing device assembly, the CFLVV valve integrated package integrated installation are on the flange disc assembly.The utility model has many advantages, such as follows relative to the fuel system for being not integrated in CFLVV valve body on fuel pump, tank pressure sensing device structure: one, reducing petro-gas permeation, reduce environmental pollution.Two, simplify fuel tank production technology, reduce cost；Production process is easier to control.Three, arrangement space is made full use of.
Description
Technical field
The utility model relates to fuel system, in particular to a kind of fuel pump flange plate integrated mechanism and the fuel oil including it
System.
Background technique
Fig. 1 is fuel system layout drawing in the prior art.Fig. 2 is fuel oil pump assembly schematic diagram in the prior art.
As depicted in figs. 1 and 2, CFLVV valve body 143, tank pressure sensing device 122, fuel pump are total on fuel-engined vehicle at present
It is as follows at 11 arrangements:
One, CFLVV valve body 143 is welded on tank assembly 23.
Two, tank pressure sensing device 122 is arranged on steam pipework 146.
Three, fuel oil pump assembly 11 is only integrated with fuel-intake connection 15, wiring harness connector 16.
According to foregoing description, there are following disadvantages for the structure of existing fuel oil pump assembly:
One, CFLVV valve body and fuel tank weld, and fuel tank needs to be open, and increase fuel tank system discharge vaporization.State six at present
Regulation " light-duty vehicle pollutant emission limit and measurement method (Chinese 6th stage) " is stringenter to emission limit requirement, no
Conducive to fuel system discharge vaporization.
Two, tank pressure sensing device is arranged on steam pipework, is needed independent arrangement space and installation point, is unfavorable for cloth
It sets.
Three, flange disc assembly only integrates filter fuel-intake connection, fails to make full use of 500 space structure of flange disc assembly.
In view of this, those skilled in the art urgently improve the structure of fuel oil pump assembly in the prior art, to solve
The above problem.
Utility model content
The technical problems to be solved in the utility model is to overcome fuel oil pump assembly arragement construction limitation in the prior art
Property it is big, be not easy to installation the defects of, a kind of fuel pump flange plate integrated mechanism and the fuel system including it are provided.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of fuel pump flange plate integrated mechanism, it is characterized in that, the fuel pump flange plate integrated mechanism includes fuel oil
Pump assembly, tank pressure sensing device assembly, flange disc assembly and CFLVV valve integrated package, the flange disc assembly are mounted on
The upper end of the fuel oil pump assembly, the tank pressure sensing device assembly, the CFLVV valve integrated package integrated installation are in institute
It states on flange disc assembly.
One embodiment according to the present utility model, the CFLVV valve integrated package include installation cavity, valve body installation
Bracket and CFLVV valve body, the installation cavity are arranged on the upper surface of the flange disc assembly, valve body mounting bracket edge
The lower end surface of the flange disc assembly extends downwardly, and is connected between the installation cavity and the valve body mounting bracket, described
CFLVV valve body is mounted on from the bottom to top in the valve body mounting bracket.
One embodiment according to the present utility model, using card between the CFLVV valve body and the valve body mounting bracket
Tipping is matched.
One embodiment according to the present utility model, the top of the CFLVV valve body are provided with sealing ring, the CFLVV
Valve body passes through the sealing ring and the installation cavity interference fit.
One embodiment according to the present utility model, the CFLVV valve integrated package further include air flue interface, the gas
Pipeline joint extends outwardly along the upper opening of the installation cavity.
One embodiment according to the present utility model, the air flue interface are located at the side of the installation cavity.
One embodiment according to the present utility model, the air flue interface, the installation cavity, the valve body mounting bracket
Integrated molding is molded into the flange disc assembly.
One embodiment according to the present utility model, the tank pressure sensing device assembly include mounting frame for sensor and
Tank pressure sensing device, the mounting frame for sensor are fixed on the flange disc assembly, open on the mounting frame for sensor
Equipped with sensor mounting hole, the pressure sensor sealing plug of the tank pressure sensing device is installed to the sensor mounting hole
It is interior.
One embodiment according to the present utility model, the mounting frame for sensor, the sensor mounting hole and described
Flange disc assembly is molded into integrated molding.
The invention also discloses a kind of fuel systems, it is characterized in that comprising fuel pump flange as described above
Disk integrated mechanism, engine, canister and tank assembly are additionally provided with wiring harness connector on the fuel pump flange plate integrated mechanism
And fuel-intake connection；
The fuel-intake connection is connected with the engine by oil feed line, and the engine is connected to by the way that pipeline is desorbed
The desorption mouth of the canister；
The air flue interface of the CFLVV valve body integrated package is connected to the adsorption orifice of the canister by steam pipework；Institute
Fuel oil pump assembly is stated to connect with the tank assembly.
The positive effect of the utility model is:
The utility model fuel pump flange plate integrated mechanism and including its fuel system relative to being not integrated in fuel pump
The fuel system of upper CFLVV valve body, tank pressure sensing device structure, has many advantages, such as follows:
One, petro-gas permeation is reduced, is reduced environmental pollution.
CFLVV valve body is integrated on fuel pump flange plate assembly, is not needed the single opening on fuel tank and is welded.It can
Petro-gas permeation caused by fuel tank upper opening is avoided, environmental pollution is reduced.
Two, simplify fuel tank production technology, reduce cost；Production process is easier to control.
CFLVV valve body is integrated on fuel pump flange assembly, reduces opening tooling, fixture work that fuel tank welding needs
Dress, welding tooling；CFLVV mounting structure and ring flange are integrally formed, simple production process, and process is easier to control.
Three, arrangement space is made full use of.
Tank pressure sensing device is integrated on fuel pump flange plate assembly, makes full use of ring flange upper space, without single
Only arrangement space and design mounting bracket.
Detailed description of the invention
The above and other feature of the utility model, property and advantage will pass through with reference to the accompanying drawings and examples
It describes and becomes apparent, identical appended drawing reference always shows identical feature in the accompanying drawings, in which:
Fig. 1 is fuel system layout drawing in the prior art.
Fig. 2 is fuel oil pump assembly schematic diagram in the prior art.
Fig. 3 is the structural schematic diagram of the utility model fuel pump flange plate integrated mechanism.
Fig. 4 is the signal of CFLVV valve body assembling structure cross-section in the utility model fuel pump flange plate integrated mechanism
Figure.
Fig. 5 is the assembling schematic diagram of tank pressure sensing device in the utility model fuel pump flange plate integrated mechanism.
Fig. 6 is the layout drawing of the utility model fuel system.
[appended drawing reference]
Fuel pump flange plate integrated mechanism 10
Fuel oil pump assembly 11
Tank pressure sensing device assembly 12
Flange disc assembly 13
CFLVV valve integrated package 14
Cavity 141 is installed
Valve body mounting bracket 142
CFLVV valve body 143
Sealing ring 144
Air flue interface 145
Mounting frame for sensor 121
Tank pressure sensing device 122
Sensor mounting hole 123
Pressure sensor sealing plug 124
Fuel system 20
Engine 21
Canister 22
Tank assembly 23
Wiring harness connector 15
Fuel-intake connection 16
Oil feed line 161
Pipeline 211 is desorbed
Mouth 221 is desorbed
Steam pipework 146
Adsorption orifice 222
Specific embodiment
It is practical to this below in conjunction with attached drawing for the above objects, features, and advantages of the utility model can be clearer and more comprehensible
Novel specific embodiment elaborates.
The embodiments of the present invention are described with detailed reference to attached drawing now.Now with detailed reference to the excellent of the utility model
Embodiment is selected, its example is shown in the drawings.In the case of any possible, will be come in all the appended drawings using identical label
Indicate the same or similar part.
In addition, although term used in the utility model is selected from public term, this reality
Some terms mentioned in novel specification may be applicant by his or her judgement come selection, and detailed meanings exist
Illustrate in the relevant portion of description herein.
Furthermore, it is desirable that not only by used actual terms, and be also to the meaning contained by each term
To understand the utility model.
Fig. 3 is the structural schematic diagram of the utility model fuel pump flange plate integrated mechanism.Fig. 4 is the utility model fuel pump
The schematic diagram of CFLVV valve body assembling structure cross-section in ring flange integrated mechanism.Fig. 5 is the utility model fuel pump flange plate
The assembling schematic diagram of tank pressure sensing device in integrated mechanism.
As shown in Figures 3 to 5, the utility model discloses a kind of fuel pump flange plate integrated mechanisms 10 comprising fuel oil
Pump assembly 11, tank pressure sensing device assembly 12, flange disc assembly 13 and CFLVV valve integrated package 14.Wherein, ring flange is total
The upper end for being mounted on fuel oil pump assembly 11 at 13, tank pressure sensing device assembly 12,14 integrated installation of CFLVV valve integrated package
On flange disc assembly 13.
Preferably, CFLVV valve integrated package 14 includes installation cavity 141, valve body mounting bracket 142 and CFLVV valve body
143, installation cavity 141 is arranged on the upper surface of flange disc assembly 13, valve body mounting bracket 142 is along flange disc assembly 13
Lower end surface extends downwardly, and installs and is connected between cavity 141 and valve body mounting bracket 142, CFLVV valve body 143 is pacified from the bottom to top
In valve body mounting bracket 142.Herein, preferably using clamping dress between CFLVV valve body 143 and valve body mounting bracket 142
Match.
In addition, being provided with sealing ring 144 on the top of CFLVV valve body 143, CFLVV valve body 143 is passed through into sealing ring 144
With installation 141 interference fit of cavity, reach sealing effect, prevents leakage oil gas.
Further, CFLVV valve integrated package 14 further includes air flue interface 145, and air flue interface 145 is along installation cavity
141 upper opening extends outwardly.Air flue interface 145 is preferably provided in the side of installation cavity 141.
Air flue interface 145, installation cavity 141, valve body mounting bracket 142 and the injection molding of flange disc assembly 13 herein is integrated
Molding.
Further, tank pressure sensing device assembly 12 includes mounting frame for sensor 121 and tank pressure sensing device
122, mounting frame for sensor 121 is fixed on flange disc assembly 13, offers sensor mounting hole on mounting frame for sensor 121
123, the pressure sensor sealing plug 124 of tank pressure sensing device 122 is installed to sensor mounting hole 123.
Mounting frame for sensor 121, sensor mounting hole 123 and flange disc assembly 13 can be preferably integrated into injection molding
Type.When assembly, after 124 alignment sensor mounting hole 123 of pressure sensor sealing plug, tank pressure sensing device 122 is pressed
On mounting frame for sensor 121.Tank pressure sensing device 122 passes through the sealing ring of institute's band on sensor sealing plug 124, with
Sensor mounting hole 123 is interference fitted, and reaches sealing effect, prevents leakage oil gas.
The working principle of the utility model fuel pump flange plate integrated mechanism are as follows: by CFLVV valve body 143 by being welded on before
On fuel tank, it is integrated on flange disc assembly 13, function is unaffected.By tank pressure sensing device 122 by being arranged in steaming before
On vapor pipeline, it is integrated on flange disc assembly 13, function is unaffected.
Fig. 3 is the layout drawing of the utility model fuel system.
As shown in figure 3, the invention also discloses a kind of fuel systems 20 comprising fuel pump flange plate integrated mechanism
10, engine 21, canister 22 and tank assembly 23 are wherein additionally provided with wiring harness connector on fuel pump flange plate integrated mechanism 10
15 and fuel-intake connection 16.Fuel-intake connection 16 is connect by oil feed line 161 with engine 21, and engine 21 passes through desorption pipeline
211 are connected to the desorption mouth 221 of canister 22.The air flue of CFLVV valve body integrated package 14 on fuel pump flange plate integrated mechanism 10
Interface is connected to the adsorption orifice 222 of canister 22 by steam pipework 141.Fuel oil pump assembly 11 is connect with tank assembly 23.
The course of work of the utility model fuel system are as follows: oil gas is by being integrated in flange disc assembly in tank assembly 23
CFLVV valve body integrated package 14 on 13 enters canister 22 by steam pipework 146, is adsorbed.It is integrated in flange disc assembly
Tank pressure sensing device 122 on 13 can be controlled according to vehicle OBD inspection policies, to tank assembly 23 and steam pipework
146, desorption 211 amount of leakage of pipeline is monitored.
The utility model fuel pump flange plate integrated mechanism and including its fuel system relative to being not integrated in fuel pump
The fuel system of upper CFLVV valve body, tank pressure sensing device structure, has many advantages, such as follows:
One, petro-gas permeation is reduced, is reduced environmental pollution.
CFLVV valve body is integrated on fuel pump flange plate assembly, is not needed the single opening on fuel tank and is welded.It can
Petro-gas permeation caused by fuel tank upper opening is avoided, environmental pollution is reduced.
Two, simplify fuel tank production technology, reduce cost；Production process is easier to control.
CFLVV valve body is integrated on fuel pump flange assembly, reduces opening tooling, fixture work that fuel tank welding needs
Dress, welding tooling；CFLVV mounting structure and ring flange are integrally formed, simple production process, and process is easier to control.
Three, arrangement space is made full use of.
Tank pressure sensing device is integrated on fuel pump flange plate assembly, makes full use of ring flange upper space, without single
Only arrangement space and design mounting bracket.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. a kind of fuel pump flange plate integrated mechanism, which is characterized in that the fuel pump flange plate integrated mechanism includes fuel pump
Assembly, tank pressure sensing device assembly, flange disc assembly and CFLVV valve integrated package, the flange disc assembly are mounted on institute
The upper end of fuel oil pump assembly is stated, the tank pressure sensing device assembly, the CFLVV valve integrated package integrated installation are described
On flange disc assembly.
2. fuel pump flange plate integrated mechanism as described in claim 1, which is characterized in that the CFLVV valve integrated package
Including installation cavity, valve body mounting bracket and CFLVV valve body, the upper surface of the flange disc assembly is arranged in the installation cavity
On, the valve body mounting bracket is extended downwardly along the lower end surface of the flange disc assembly, and the installation cavity and the valve body are pacified
It is connected between dress bracket, the CFLVV valve body is mounted on from the bottom to top in the valve body mounting bracket.
3. fuel pump flange plate integrated mechanism as claimed in claim 2, which is characterized in that the CFLVV valve body and the valve
Using clamping assembly between body mounting bracket.
4. fuel pump flange plate integrated mechanism as claimed in claim 2, which is characterized in that the top of the CFLVV valve body is set
It is equipped with sealing ring, the CFLVV valve body passes through the sealing ring and the installation cavity interference fit.
5. fuel pump flange plate integrated mechanism as claimed in claim 2, which is characterized in that the CFLVV valve integrated package
It further include air flue interface, the air flue interface extends outwardly along the upper opening of the installation cavity.
6. fuel pump flange plate integrated mechanism as claimed in claim 5, which is characterized in that the air flue interface is located at the peace
It behave affectedly the side of body.
7. fuel pump flange plate integrated mechanism as claimed in claim 5, which is characterized in that the air flue interface, the installation
Cavity, the valve body mounting bracket and the flange disc assembly are molded into integrated molding.
8. fuel pump flange plate integrated mechanism as described in claim 1, which is characterized in that the tank pressure sensing device assembly
Including mounting frame for sensor and tank pressure sensing device, the mounting frame for sensor is fixed on the flange disc assembly, institute
It states and offers sensor mounting hole on mounting frame for sensor, the pressure sensor sealing plug peace of the tank pressure sensing device
It is filled in the sensor mounting hole.
9. fuel pump flange plate integrated mechanism as claimed in claim 2, which is characterized in that the mounting frame for sensor, institute
It states sensor mounting hole and the flange disc assembly is molded into integrated molding.
10. a kind of fuel system, which is characterized in that it includes fuel pump flange plate as described in any one of claims 1-9
Integrated mechanism, engine, canister and tank assembly, be additionally provided on the fuel pump flange plate integrated mechanism wiring harness connector and
Fuel-intake connection；
The fuel-intake connection is connected with the engine by oil feed line, and the engine is connected to described by desorption pipeline
The desorption mouth of canister；
The air flue interface of the CFLVV valve body integrated package is connected to the adsorption orifice of the canister by steam pipework；The combustion
Oil pump assy is connect with the tank assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957321.4U CN208587244U (en) | 2018-06-20 | 2018-06-20 | Fuel pump flange plate integrated mechanism and fuel system including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957321.4U CN208587244U (en) | 2018-06-20 | 2018-06-20 | Fuel pump flange plate integrated mechanism and fuel system including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587244U true CN208587244U (en) | 2019-03-08 |
Family
ID=65536951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820957321.4U Active CN208587244U (en) | 2018-06-20 | 2018-06-20 | Fuel pump flange plate integrated mechanism and fuel system including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792538A (en) * | 2019-11-05 | 2020-02-14 | 东风柳州汽车有限公司 | Fuel oil device for automobile |
| CN113959708A (en) * | 2021-10-11 | 2022-01-21 | 浙江吉利控股集团有限公司 | Automobile fuel tank valve body noise test rack and valve body noise test method |
-
2018
- 2018-06-20 CN CN201820957321.4U patent/CN208587244U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792538A (en) * | 2019-11-05 | 2020-02-14 | 东风柳州汽车有限公司 | Fuel oil device for automobile |
| CN113959708A (en) * | 2021-10-11 | 2022-01-21 | 浙江吉利控股集团有限公司 | Automobile fuel tank valve body noise test rack and valve body noise test method |
| CN113959708B (en) * | 2021-10-11 | 2024-03-12 | 浙江吉利控股集团有限公司 | Automobile fuel tank valve body noise test bench and valve body noise test method |
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