CN207420760U - A kind of overhead fuel oil pump assembly - Google Patents
A kind of overhead fuel oil pump assembly Download PDFInfo
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- CN207420760U CN207420760U CN201721565789.0U CN201721565789U CN207420760U CN 207420760 U CN207420760 U CN 207420760U CN 201721565789 U CN201721565789 U CN 201721565789U CN 207420760 U CN207420760 U CN 207420760U
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Abstract
The utility model is related to fuel pump field, a kind of overhead fuel oil pump assembly, including oil pump device and the sensor module and net-filter assembly that are arranged on oil pump device；The oil pump device includes pump core component and the flange body and valve module of voltage regulation that are connected with the pump core component；First end cap of valve seat is internally provided with the first flow communicated with pump core, and the second valve end body is internally provided with the second flow channel communicated with valve body, and output terminal body is internally provided with third flow channel, threeway is formed between first flow, second flow channel and third flow channel；The flange body is snapped connection on stent, and the valve module of voltage regulation is coated in flange body；Flange body is internally provided with the oil discharge passage communicated with the third flow channel.The overhead fuel oil pump assembly can carry out real-time monitoring to fuel oil discharge pressure, ensure that fuel pressure is constant, ensure that engine is well run.
Description
Technical field
The utility model is related to fuel pump field more particularly to a kind of overhead fuel oil pump assemblies.
Background technology
Fuel oil pump assembly is mounted on automotive oil tank, and the function of pipeline connection is played in vehicle fuel supply system.
Fuel oil in fuel tank is entered by the check valve of oil storage barrel in oil storage barrel, and fuel oil is overanxious by the net-filter assembly of fuel oil pump assembly
Afterwards, by fuel oil pump core, oil pipe, filter group is stood, ring flange is delivered to engine oil rail, supply engine consumption, do not consume
Fuel oil stand reflux through filter group, under the action of back leakage connection group is stood, Venturi tube group is stood, generate siphonic effect, will return
Extra fuel oil, the fuel oil outside oil storage barrel and auxiliary fuel tank (distal end) fuel oil are transmitted back in oil storage barrel in oil pipe, and the moment keeps storage
Fuel oil is sufficient in oil drum.From above-mentioned background technology, the fuel oil oil pressure that fuel oil pump assembly is conveyed in the prior art is constant, and
Accommodation can not be made, motor part is needed to carry out fuel flow returns work when fuel pressure is excessive, therefore to engine
Good oil pressure protection can not be played, is needed to improve.
It is connected in addition, all consolidating mode using spiral shell between the various components of existing fuel oil pump assembly, dismounting is more inconvenient, anxious
Need to further it optimize.
The content of the invention
It to solve the above-mentioned problems, can be to combustion the purpose of this utility model is to provide a kind of overhead fuel oil pump assembly
Oily discharge pressure carries out real-time monitoring, ensures that fuel pressure is constant, ensures that engine is well run.
In order to realize above-mentioned purpose, the utility model employs following technical solution：
A kind of overhead fuel oil pump assembly, it is characterised in that：Including oil pump device and the biography being arranged on oil pump device
Sensor component and net-filter assembly；The oil pump device includes pump core component and the flange body being connected with the pump core component
And valve module of voltage regulation；The pump core component includes stent and the pump core being arranged in stent；Stent include main frame and
The first valve end body of main frame side is arranged on, main frame is hollow cylinder frame, and main frame is internally provided with first chamber, pump core
In first chamber；The valve module of voltage regulation includes valve seat and the valve body being arranged on inside valve seat；Valve seat snaps connection
In on stent, valve seat includes the first end cap being covered in first chamber and the second valve end being covered on the first valve end body
Body and it is arranged at the first end cap and output terminal body that second end covers；First valve end body combines composition the with the second valve end body
Two chambers, valve body are arranged in second chamber；First end cap is internally provided with the first flow communicated with pump core, the second valve
End body is internally provided with the second flow channel communicated with valve body, and output terminal body is internally provided with third flow channel, first flow, second flow channel and
Threeway is formed between third flow channel；The flange body is snapped connection on stent, and the valve module of voltage regulation is coated on flange
In vivo；Flange body is internally provided with the oil discharge passage communicated with the third flow channel.
Preferably, the shaft end of the stent is equipped with multiple first fasteners, the peripheral side wall of valve seat is equipped with
Multiple first catch members being adapted with first fastener.
Preferably, it is radially provided with two the first fasteners, the side of main frame on the first valve end body sidewall of the stent
It is set on wall there are one the first fastener, three the first fasteners are laid out in isoceles triangle.
Preferably, the flange body include flange ring and the flowline that is connected in flange ring end face outside and
It is connected to multiple second fasteners at flange ring inner side end edge；The oil discharge passage is arranged on inside flowline, and with institute
The third flow channel for stating valve seat communicates；The peripheral side wall of the main frame is multiple equipped with being adapted with second fastener
Second catch member.
Preferably, second fastener includes being arranged in an axially parallel mode two snap arm along first chamber, two snap arm it
Between be equipped with linear card slot, be equipped with bayonet on the end of two snap arm；Set that there are two the in the peripheral side wall of the main frame
Two catch members are adapted with two bayonets, and two the second catch members are on same axial plane, between two the second catch members
Equipped with linear strip, linear strip is set along the axial direction of first chamber.
Preferably, pressing plate is additionally provided in the peripheral side wall of the main frame, the peripheral side wall of pressing plate and main frame
Between form snap arm through hole, snap arm through hole axially aligns second catch member.
Preferably, the net-filter assembly is snapped connection on pump core component, net-filter assembly includes filter screen shell, Yi Jishe
Put the filter core inside filter screen shell；The filter screen shell is internally provided with filter chamber and filtration channel, and filter chamber lower end wall surface is equipped with
Fuel feed hole, the input end of filtration channel are connected to filter chamber upper end and are communicated with filter chamber, and filter core is arranged on the filter below filtration channel
In chamber, the port of export of filtration channel and the oil inlet of pump core are tightly connected.
Preferably, the upper surface of the filter screen shell is equipped with multiple 3rd fasteners, multiple 3rd fasteners are along together
One circumference circumferential direction rule setting；The outer side surface of the main frame is equipped with the 3rd be adapted with the 3rd fastener and hangs structure
Part.
Preferably, the sensor module is snapped connection on pump core component；Sensor module includes sensor body,
And one end swing rod being articulated in sensor body and the floating ball being connected on swing rod free end.
Preferably, the end face of the sensor body is equipped with multiple 4th fasteners, on the outer side surface of main frame
Installing plate is fixed with, installing plate is equipped with the card slot being adapted with the 4th fastener.
The utility model uses above-mentioned technical proposal, which is related to a kind of overhead fuel oil pump assembly, puts on this
Formula fuel oil pump assembly includes oil pump device and the sensor module and net-filter assembly that are arranged on oil pump device.Wherein, oil pump
Device includes pump core component and the flange body and valve module of voltage regulation that are connected with the pump core component.Branch in pump core component
The valve seat of frame and valve module of voltage regulation snaps connection, and pump core is in first chamber, and valve body is in second chamber, in the first end cap
Portion forms three-way pipeline cooperation valve body, and the oil pressure of fuel pump internal duct can be adjusted in real time, can be incited somebody to action when oil pressure is excessive
Internal part fuel oil is pumped to fuel tank and reduces oil pressure.By said structure, which can be to fuel oil
Discharge pressure carries out real-time monitoring, ensures that fuel pressure is constant, ensures that engine is well run.
In addition, flange body, valve seat, sensor module and net-filter assembly in the overhead fuel oil pump assembly with stent it
Between generate snap connection mode, so as to simplify connection structure, dismounting maintenance is carried out to fuel oil pump assembly convenient for daily.
Description of the drawings
Fig. 1 is the dimensional structure diagram of fuel oil pump assembly.
Fig. 2 is the schematic cross-sectional view of fuel oil pump assembly.
Fig. 3 is the assembling schematic diagram of pump core component and valve module of voltage regulation.
Fig. 4 is the assembling schematic diagram of flange body.
Fig. 5 is the assembling schematic diagram of net-filter assembly.
Fig. 6 is the assembling schematic diagram of sensor module.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferred embodiment of the utility model is described in further detail.
A kind of overhead fuel oil pump assembly as shown in Fig. 1 ~ 6, including oil pump device and the biography being arranged on oil pump device
Sensor component 4 and net-filter assembly 5.The oil pump device includes pump core component 1 and the method being connected with the pump core component 1
Blue body 2 and valve module of voltage regulation 3.
The pump core component 1 includes stent 11 and the pump core 12 being arranged in stent 11.Stent 11 includes main frame
13 and the first valve end body 14 of 13 side of main frame is arranged on, main frame 13 is hollow cylinder frame, and the inside of main frame 13 is set
There is first chamber 15, pump core 12 is mounted in first chamber 15.The valve module of voltage regulation 3 includes valve seat 31 and is arranged on valve
Valve body 32 inside seat 31；Valve seat 31 is snapped connection on stent 11, and valve seat 31 includes be covered in first chamber 15 first
End cap 33 and the second valve end body 34 being covered on the first valve end body 14 and it is arranged at the first end cap 33 and the second end cap
On output terminal body 35.First valve end body 14 is combined with the second valve end body 34 forms second chamber 36, and valve body 32 is arranged on second
In chamber 36.First end cap 33 is internally provided with the first flow 37 communicated with pump core 12, is set inside the second valve end body 34
There is the second flow channel 38 communicated with valve body 32, output terminal body 35 is internally provided with third flow channel 39, first flow 37, second flow channel 38
Threeway is formed between third flow channel 39.
The specific connection structure of the valve seat 31 and stent 11 is as follows：The shaft end of the stent 11 is equipped with multiple first
Fastener 16, the peripheral side wall of valve seat 31 are equipped with multiple first catch members 30 being adapted with first fastener 16.
Further, two the first fasteners 16, the side of main frame 13 are radially provided on 14 side wall of the first valve end body of the stent 11
It is set on wall there are one the first fastener 16, three the first fasteners 16 are laid out in isoceles triangle.
The concrete structure of the flange body 2 and its as follows with the connection structure of pump core component 1：The flange body 2 includes method
Blue ring 21 and the flowline 22 being connected in 21 end face outside of flange ring and it is connected to 21 inner side end edge of flange ring
Multiple second fasteners 23.The flange body 2 is snapped connection on stent 11, and the valve module of voltage regulation 3 is coated on method
In blue body 2.Flange body 2 is internally provided with the oil discharge passage 27 communicated with the third flow channel 39, and oil discharge passage 27 is arranged on fuel-displaced
Inside pipe 22, and communicated with the third flow channel 39 of the valve seat 31.The peripheral side wall of the main frame 13 be equipped with it is described
Multiple second catch members 17 that second fastener 23 is adapted.Specifically, second fastener 23 is included along first chamber 15
Two snap arm 24 are arranged in an axially parallel mode, linear card slot 25 is equipped between two snap arm, bayonet is equipped on the end of two snap arm
26.It sets in the peripheral side wall of the main frame 13 and is adapted there are two the second catch member 17 with two bayonets, two second extensions
Component 17 is on same axial plane, is equipped with linear strip 171 between two the second catch members 17, and linear strip 171 is along the
The axial setting of one chamber 15.Pressing plate 172, pressing plate 172 and main frame 13 are additionally provided in the peripheral side wall of the main frame 13
Peripheral side wall between form snap arm through hole, snap arm through hole axially aligns second catch member 17；Second fastener 23
Snap arm is mutually clamped after passing through snap arm through hole with the second catch member 17, and so as to fulfill buckle, the setting of snap arm through hole may include card
The stability of button relation prevents buckle from loosening.
The concrete structure of the net-filter assembly 5 and its as follows with the connection structure of pump core component 1：The net-filter assembly 5 wraps
The filter core 52 for including filter screen shell 51 and being arranged on inside filter screen shell 51.The filter screen shell 51 is internally provided with 53 He of filter chamber
Filtration channel, filter chamber lower end wall surface are equipped with fuel feed hole, and the input end of filtration channel is connected to filter chamber upper end and is communicated with filter chamber,
Filter core is arranged in the filter chamber below filtration channel.The net-filter assembly 5 is snapped connection on pump core component 1, filtration channel
The port of export and the oil inlet of pump core 12 are tightly connected.Specifically, the upper surface of the filter screen shell 51 is equipped with multiple three cards
Fastener 54, multiple 3rd fasteners are along same circumference circumferential direction rule setting.The outer side surface of the main frame 13 be equipped with
The 3rd catch member 19 that 3rd fastener is adapted.
The concrete structure of the sensor module 4 and its as follows with the connection structure of pump core component 1：The sensor group
Part 4 includes the swing rod 42 and be connected to swing rod 42 freely that sensor body 41 and one end be articulated in sensor body 41
Floating ball 43 on end.The sensor module 4 is snapped connection on pump core component 1, is specifically the sensor body 41
End face is equipped with multiple 4th fasteners 44, is fixed with installing plate 18 on the outer side surface of main frame 13, installing plate be equipped with
The card slot 181 that 4th fastener 44 is adapted.
The utility model uses above-mentioned technical proposal, which is related to a kind of overhead fuel oil pump assembly, puts on this
Formula fuel oil pump assembly includes oil pump device and the sensor module 4 and net-filter assembly 5 that are arranged on oil pump device.Wherein, it is oily
Pump installation includes pump core component 1 and the flange body 2 and valve module of voltage regulation 3 that are connected with the pump core component 1.Pump core component 1
In stent 11 and the valve seat 31 of valve module of voltage regulation 3 snap connection, pump core 12 is in first chamber 15, valve body 32 be in second
In chamber 36,33 Inner Constitution three-way pipeline of the first end cap cooperation valve body 32 can carry out the oil pressure of fuel pump internal duct real
When adjust, internal part fuel oil can be pumped to fuel tank when oil pressure is excessive and reduce oil pressure.By said structure, on this
The formula fuel oil pump assembly of putting can carry out real-time monitoring to fuel oil discharge pressure, ensure that fuel pressure is constant, ensure that engine is well transported
Row.In addition, flange body 2, valve seat 31, sensor module 4 and net-filter assembly 5 in the overhead fuel oil pump assembly with stent 11
Between generate snap connection mode, so as to simplify connection structure, dismounting maintenance is carried out to fuel oil pump assembly convenient for daily.
Claims (10)
1. a kind of overhead fuel oil pump assembly, it is characterised in that：Including oil pump device and the sensing being arranged on oil pump device
Device assembly and net-filter assembly；The oil pump device include pump core component and the flange body that is connected with the pump core component and
Valve module of voltage regulation；The pump core component includes stent and the pump core being arranged in stent；Stent includes main frame, Yi Jishe
The first valve end body in main frame side is put, main frame is hollow cylinder frame, and main frame is internally provided with first chamber, pump core peace
In first chamber；The valve module of voltage regulation includes valve seat and the valve body being arranged on inside valve seat；Valve seat snap connection in
On stent, valve seat includes the first end cap being covered in first chamber and the second valve end body being covered on the first valve end body,
And it is arranged at the first end cap and output terminal body that second end covers；First valve end body is combined with the second valve end body forms the second chamber
Room, valve body are arranged in second chamber；First end cap is internally provided with the first flow communicated with pump core, the second valve end body
The second flow channel communicated with valve body is internally provided with, output terminal body is internally provided with third flow channel, first flow, second flow channel and the 3rd
Threeway is formed between runner；The flange body is snapped connection on stent, and the valve module of voltage regulation is coated in flange body；
Flange body is internally provided with the oil discharge passage communicated with the third flow channel.
2. a kind of overhead fuel oil pump assembly according to claim 1, it is characterised in that：It is set on the shaft end of the stent
There are multiple first fasteners, the peripheral side wall of valve seat is equipped with multiple first be adapted with first fastener and hangs structure
Part.
3. a kind of overhead fuel oil pump assembly according to claim 2, it is characterised in that：First valve end body of the stent
Two the first fasteners are radially provided on side wall, are set on the side wall of main frame there are one the first fastener, three the first fasteners
It is laid out in isoceles triangle.
4. a kind of overhead fuel oil pump assembly according to claim 1 or 2 or 3, it is characterised in that：The flange body includes
Flange ring and the flowline being connected in flange ring end face outside and it is connected to the multiple of flange ring inner side end edge
Second fastener；The oil discharge passage is arranged on inside flowline, and is communicated with the third flow channel of the valve seat；The main frame
Peripheral side wall be equipped with multiple second catch members for being adapted with second fastener.
5. a kind of overhead fuel oil pump assembly according to claim 4, it is characterised in that：Second fastener includes edge
First chamber is arranged in an axially parallel mode two snap arm, and linear card slot is equipped between two snap arm, is equipped on the end of two snap arm
Bayonet；It sets in the peripheral side wall of the main frame and is adapted there are two the second catch member with two bayonets, two second extension structures
Part is on same axial plane, and linear strip, axial direction of the linear strip along first chamber are equipped between two the second catch members
It sets.
6. a kind of overhead fuel oil pump assembly according to claim 5, it is characterised in that：The circumferential side wall of the main frame
Pressing plate is additionally provided on face, snap arm through hole is formed between pressing plate and the peripheral side wall of main frame, snap arm through hole axially aligns described
Second catch member.
7. a kind of overhead fuel oil pump assembly according to claim 1, it is characterised in that：The net-filter assembly snaps connection
On pump core component, net-filter assembly includes filter screen shell and the filter core being arranged on inside filter screen shell；In the filter screen shell
Portion is equipped with filter chamber and filtration channel, and filter chamber lower end wall surface is equipped with fuel feed hole, and the input end of filtration channel is connected to filter chamber upper end
And communicated with filter chamber, filter core is arranged in the filter chamber below filtration channel, and the port of export of filtration channel and the oil inlet of pump core are close
Envelope connection.
8. a kind of overhead fuel oil pump assembly according to claim 7, it is characterised in that：The upper surface of the filter screen shell
Multiple 3rd fasteners are equipped with, multiple 3rd fasteners are along same circumference circumferential direction rule setting；The outside of the main frame
Wall surface is equipped with the 3rd catch member being adapted with the 3rd fastener.
9. a kind of overhead fuel oil pump assembly according to claim 1, it is characterised in that：The sensor module buckle connects
It is connected on pump core component；Sensor module include the swing rod that sensor body and one end be articulated in sensor body and
The floating ball being connected on swing rod free end.
10. a kind of overhead fuel oil pump assembly according to claim 1, it is characterised in that：The end of the sensor body
Face is equipped with multiple 4th fasteners, and installing plate is fixed on the outer side surface of main frame, and installing plate is equipped with and the 4th buckle
The card slot that part is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565789.0U CN207420760U (en) | 2017-11-21 | 2017-11-21 | A kind of overhead fuel oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565789.0U CN207420760U (en) | 2017-11-21 | 2017-11-21 | A kind of overhead fuel oil pump assembly |
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| Publication Number | Publication Date |
|---|---|
| CN207420760U true CN207420760U (en) | 2018-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721565789.0U Active CN207420760U (en) | 2017-11-21 | 2017-11-21 | A kind of overhead fuel oil pump assembly |
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| Country | Link |
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| CN (1) | CN207420760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740740A (en) * | 2017-11-21 | 2018-02-27 | 浙江双良汽车零部件有限公司 | A kind of overhead fuel oil pump assembly |
-
2017
- 2017-11-21 CN CN201721565789.0U patent/CN207420760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740740A (en) * | 2017-11-21 | 2018-02-27 | 浙江双良汽车零部件有限公司 | A kind of overhead fuel oil pump assembly |
| CN107740740B (en) * | 2017-11-21 | 2024-04-30 | 浙江双良汽车零部件有限公司 | Overhead fuel pump assembly |
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