CN206092234U - Fuel pump parallel hangs down slope pressure characteristic pressure regulator - Google Patents
Fuel pump parallel hangs down slope pressure characteristic pressure regulator Download PDFInfo
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- CN206092234U CN206092234U CN201620973270.5U CN201620973270U CN206092234U CN 206092234 U CN206092234 U CN 206092234U CN 201620973270 U CN201620973270 U CN 201620973270U CN 206092234 U CN206092234 U CN 206092234U
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- pressure regulator
- fuel pump
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Abstract
The utility model discloses a fuel pump parallel hangs down slope pressure characteristic pressure regulator, including regulator mount pad (1), be provided with two at least air -vent valve installation cavitys (1a) in regulator mount pad (1) side by side be provided with the oil feed passageway (1b) and the passageway (1c) that produces oil with every air -vent valve installation cavity (1a) UNICOM on regulator mount pad (1), oil feed passageway (1b) is relative with the passageway (1c) that produces oil to be set up, and all oil feed passageways (1b) lie in the same one side of regulator mount pad (1), all install the air -vent valve in every air -vent valve installation cavity (1a). Adoption parallel pressure regulator can the great problem of fine solution flow slope. When the great change of flow, pressure variation is less to guarantee the stability of system pressure.
Description
Technical field
This utility model is related to a kind of pressure regulator of fuel pump, especially a kind of parallel low slope pressure of fuel pump
Characteristic pressure actuator.
Background technology
Fuel pump pressure actuator is one of conventional component parts of electro jet car fuel injection system.Effect：Ensure vapour
The normal part of car oil road intermediate fuel oil pressure.
At present, using single pressure regulating valve, single valve theory structure is simple, and cost is cheap, has the disadvantage when combustion for electric fuel punp
During oil system changes in flow rate, pressure change is larger, causes fuel system pressure unstable, affects oil spout.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of parallel low slope pressure characteristic pressure pressure regulation
Device.
The technical solution of the utility model is as follows：A kind of parallel low slope pressure characteristic pressure regulator of fuel pump, bag
Include actuator mounting seat, it is characterised in that：At least two pressure regulator valve installation cavitys have been arranged side by side in the actuator mounting seat,
The oil inlet passage and oil discharge passage with each pressure regulator valve installation cavity UNICOM, the oil-feed are provided with the actuator mounting seat
Passage and oil discharge passage are oppositely arranged, and all oil inlet passages are located at the same side of actuator mounting seat, each pressure regulator valve installation cavity
Pressure regulator valve is respectively mounted inside.
Using such scheme, fuel oil enters the valve pocket that pressure regulator valve installs the pressure regulator valve of intracavity by each oil inlet passage, with
Increasing for system pressure, each pressure regulator valve opens pressure release, in the case of stability of flow, keep stablizing for pressure.Work as fuel oil
Flow system flow changes, and when flowing through each pressure regulator valve by shunting the flow for processing, the change of bypass flow changes little compared with total flow,
It is little that its pressure change acts on single valve compared with total flow change.It is reacted in the change of total flow and gross pressure, its pressure flow is oblique
Rate characteristic is also little than existing dull pressure valve pressure characteristic.
In such scheme：The pressure regulator valve includes valve casing, and valve pocket is arranged in the valve casing, be provided with the valve pocket into
Hydraulic fluid port and oil-out, the oil-in and oil-out are oppositely arranged, and the oil-in of the valve casing is connected with oil inlet passage, oil-out
Communicate with oil discharge passage, valve element and pressure spring are installed in the valve pocket, oil-in is blocked by the valve element.Fuel oil passes through
Oil inlet passage enters the valve pocket of each pressure regulator valve, with increasing for system pressure, promotes valve element to move toward pressure spring direction, enters
Hydraulic fluid port is opened, fuel oil pressure release.
In such scheme：Spring support seat, the pressure spring are set near one end of oil discharge passage in the valve pocket
One end be supported on valve element, the other end is supported in spring support seat, and the oil-out is arranged in spring support seat.
In such scheme：The valve element includes hemispherical insert body and support bar, and the support bar passes through spring
Through hole on support base, the pressure spring are enclosed within outside support bar.
In such scheme：O-ring seal is provided between the valve casing and pressure regulator valve installation cavity.Ensure valve casing and pressure regulation
The installation sealing of valve installation cavity.
In such scheme：Two pressure regulator valve installation cavitys have been arranged side by side in the actuator mounting seat.
Beneficial effect：The larger problem of flow slope can be solved very well using parallel pressure regulator.It is larger in flow
During change, pressure change is less, so as to ensure stablizing for system pressure.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Embodiment 1：
As shown in figure 1, the parallel low slope pressure characteristic pressure regulator of fuel pump of the present utility model is pacified by actuator
The part composition such as dress seat 1, valve casing 2, valve element 3, pressure spring 4, spring support seat 5 and O-ring seal 6.
At least two pressure regulator valve installation cavity 1a are arranged side by side in actuator mounting seat 1, what is selected here is two.Adjusting
The oil inlet passage 1b and oil discharge passage 1c with each pressure regulator valve installation cavity 1a UNICOMs is provided with section device mounting seat 1, oil-feed is led to
Road 1b and oil discharge passage 1c are oppositely arranged, and oil inlet passage 1b is located at left side, and oil discharge passage 1c is located at right side, all oil inlet passage 1b
Positioned at the same side of actuator mounting seat 1, in each pressure regulator valve installation cavity 1a, pressure regulator valve is respectively mounted.
Pressure regulator valve includes valve casing 2, arranges valve pocket 2a, oil-in, the oil-in of valve casing 2 are provided with valve pocket 2a in valve casing 2
Connect with oil inlet passage 1b, valve element 3 and pressure spring 4 are installed in valve pocket 2a, oil-in is blocked by valve element 3.Valve element 3 includes
Hemispherical insert body and support bar, support bar pass through the through hole in spring support seat 5, near oil discharge passage 1c in valve pocket 2a
One end spring support seat 5 is set, pressure spring 4 is enclosed within outside support bar.One end of pressure spring 4 is supported on insert body,
The other end is supported in spring support seat 5, and oil-out is arranged in spring support seat 5, and oil-out is communicated with oil discharge passage 1c.Valve
O-ring seal 6 is provided between shell 2 and pressure regulator valve installation cavity 1a.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations according to design of the present utility model without the need for creative work.Therefore, all this technology necks
In domain, technical staff passes through logical analyses, reasoning or limited reality on the basis of existing technology according to design of the present utility model
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of parallel low slope pressure characteristic pressure regulator of fuel pump, including actuator mounting seat (1), its feature exist
In：At least two pressure regulator valve installation cavitys (1a) are arranged side by side in the actuator mounting seat (1), in the actuator mounting seat
(1) on, each pressure regulator valve installation cavity (1a) of correspondence is provided with the oil inlet passage (1b) with its UNICOM and oil discharge passage (1c), institute
State oil inlet passage (1b) and oil discharge passage (1c) is oppositely arranged, all oil inlet passages (1b) are positioned at the same of actuator mounting seat (1)
Pressure regulator valve is respectively mounted in side, each pressure regulator valve installation cavity (1a).
2. the parallel low slope pressure characteristic pressure regulator of fuel pump according to claim 1, it is characterised in that：The tune
Pressure valve includes valve pocket (2a) is arranged in valve casing (2), the valve casing (2), is provided with oil-in and oil-out on the valve pocket (2a),
The oil-in and oil-out are oppositely arranged, and the oil-in of the valve casing (2) is connected with oil inlet passage (1b), oil-out with it is fuel-displaced
Passage (1c) is communicated, and is provided with valve element (3) and pressure spring (4) in the valve pocket (2a), and oil-in is kept off by the valve element (3)
Firmly.
3. the parallel low slope pressure characteristic pressure regulator of fuel pump according to claim 2, it is characterised in that：The valve
Spring support seat (5) is set near one end of oil discharge passage (1c) in chamber (2a), one end of the pressure spring (4) is supported on valve
On core (3), the other end is supported in spring support seat (5), and the oil-out is arranged in spring support seat (5).
4. the parallel low slope pressure characteristic pressure regulator of fuel pump according to claim 3, it is characterised in that：The valve
Core (3) includes hemispherical insert body and support bar, and the support bar is through the through hole in spring support seat (5), the tune
Pressing spring (4) is enclosed within outside support bar.
5. the parallel low slope pressure characteristic pressure regulator of the fuel pump according to any one of claim 2-4, its feature exist
In：O-ring seal (6) is provided between the valve casing (2) and pressure regulator valve installation cavity (1a).
6. the parallel low slope pressure characteristic pressure regulator of fuel pump according to claim 5, it is characterised in that：The tune
Two pressure regulator valve installation cavitys (1a) have been arranged side by side in section device mounting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973270.5U CN206092234U (en) | 2016-08-30 | 2016-08-30 | Fuel pump parallel hangs down slope pressure characteristic pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973270.5U CN206092234U (en) | 2016-08-30 | 2016-08-30 | Fuel pump parallel hangs down slope pressure characteristic pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092234U true CN206092234U (en) | 2017-04-12 |
Family
ID=58473399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620973270.5U Active CN206092234U (en) | 2016-08-30 | 2016-08-30 | Fuel pump parallel hangs down slope pressure characteristic pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640448A (en) * | 2016-08-30 | 2017-05-10 | 重庆万力联兴实业(集团)有限公司 | Parallel type low-slope pressure character pressure adjusting device of fuel pump |
-
2016
- 2016-08-30 CN CN201620973270.5U patent/CN206092234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640448A (en) * | 2016-08-30 | 2017-05-10 | 重庆万力联兴实业(集团)有限公司 | Parallel type low-slope pressure character pressure adjusting device of fuel pump |
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