CN207513717U - A kind of fuel pressure transmitter pressure wave cancellation element - Google Patents
A kind of fuel pressure transmitter pressure wave cancellation element Download PDFInfo
- Publication number
- CN207513717U CN207513717U CN201721461049.2U CN201721461049U CN207513717U CN 207513717 U CN207513717 U CN 207513717U CN 201721461049 U CN201721461049 U CN 201721461049U CN 207513717 U CN207513717 U CN 207513717U
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- buffering
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- oil pipe
- chamber
- tank
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Abstract
The utility model discloses a kind of fuel pressure transmitter pressure wave cancellation elements, for engine fittings technical field, including device body, described device ontology includes first-level buffer chamber and level 2 buffering chamber, the first-level buffer chamber is equipped with oil inlet and oil return opening, the level 2 buffering chamber is connected by excessively oily channel with first-level buffer chamber, the level 2 buffering intracavitary is equipped with buffering oil pipe, the buffering oil pipe is equipped with the oil-through hole communicated with the level 2 buffering chamber, and the pressure sensor connector communicated with the buffering oil pipe is equipped on the outside of the level 2 buffering chamber.During use, pressure sensor can be installed on pressure sensor connector, the utility model is by setting first-level buffer chamber and level 2 buffering chamber, two big fuel storage volumes are provided on front side of pressure sensor, the design of big volume can play voltage stabilizing, the peak value of fuel pressure wave is eliminated, ensures that it is constant into fuel pressure transmitter pressure.Moreover, the device manufacturing cost is not high, but service life is long, and effect is good.
Description
Technical field
The utility model is used for engine fittings technical field, disappears more particularly to a kind of fuel pressure transmitter pressure wave
Except device.
Background technology
Engine fuel oil system is to pump out fuel oil from fuel tank, and is supplied to fuel injector after filter, pressure regulation, then
Engine is sprayed by fuel injector again and participates in burning, if the system occur blocking, leakage, failure of oil feed, charge oil pressure it is excessively high or
The baroreflex wave that low failure and the high-pressure oil pump course of work generate is crossed, the wave of fuel pipe intermediate fuel oil pressure can be caused
It is dynamic, lead to the fuel pressure transmitter being mounted on fuel pipe damage.
Utility model content
The purpose of this utility model is to provide a kind of fuel pressure transmitter pressure wave cancellation element, mounted on fuel oil pressure
Before force snesor, the design of big volume can play voltage stabilizing, eliminate the peak value of fuel pressure wave, ensure it into fuel pressure transmitter
Pressure is constant.
Technical solution is used by the utility model solves its technical problem：A kind of fuel pressure transmitter pressure wave disappears
Except device, including device body, described device ontology includes first-level buffer chamber and level 2 buffering chamber, is set on the first-level buffer chamber
There are oil inlet and oil return opening, the level 2 buffering chamber is connected by excessively oily channel with first-level buffer chamber, the level 2 buffering intracavitary
Equipped with buffering oil pipe, the buffering oil pipe is equipped with the oil-through hole that is communicated with the level 2 buffering chamber, outside the level 2 buffering chamber
Side is equipped with the pressure sensor connector communicated with the buffering oil pipe.
The improvement of technical solutions of the utility model is further used as, described device ontology includes first-level buffer tank and two level is delayed
It rushes tank, there is first-level buffer chamber inside the first-level buffer tank, there is level 2 buffering chamber inside the level 2 buffering tank, described one
Grade surge tank is connected with level 2 buffering tank by crossing oil pipe.
The improvement of technical solutions of the utility model is further used as, the buffering oil pipe forms two on level 2 buffering tank
Interface, the level 2 buffering tank outside are equipped with the buffering oil pipe connecting tube of two interfaces of connection, the buffering oil pipe connection
Pipe is equipped with pressure sensor connector.
It is further used as the improvement of technical solutions of the utility model, buffering oil pipe includes being located at the inside level 2 buffering tank
One buffering oil pipe and the second buffering oil pipe, the level 2 buffering tank outside, which is equipped with, connects the first buffering oil pipe and the second buffering
The buffering oil pipe connecting tube of oil pipe, the buffering oil pipe connecting tube are equipped with pressure sensor connector.
The improvement of technical solutions of the utility model is further used as, the tube wall of the buffering oil pipe is equipped with oil-through hole.
It is further used as the top of the improvement of technical solutions of the utility model, the first-level buffer chamber and/or level 2 buffering chamber
Portion is equipped with drain tap.
The improvement of technical solutions of the utility model is further used as, the drain tap includes that first-level buffer chamber can be screwed in
And/or the cock in the top screw hole of level 2 buffering chamber, the cock are equipped with exhaust passage, the exhaust passage is at cock bottom
Portion forms inlet end, and outlet side is equipped on the side wall that can screw in screw hole.
The beneficial effects of the utility model：In use, pressure sensor can be installed on pressure sensor connector, this reality
With novel by setting first-level buffer chamber and level 2 buffering chamber, two big fuel storages on front side of pressure sensor are provided and are held
Product, the design of big volume can play voltage stabilizing, eliminate the peak value of fuel pressure wave, ensure it into fuel pressure transmitter pressure perseverance
It is fixed.Moreover, the device manufacturing cost is not high, but service life is long, and effect is good.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model embodiment structure diagram.
Specific embodiment
With reference to Fig. 1, that show the concrete structures of the preferred embodiment of the utility model.It will be detailed below this reality
It is with shown in FIG. 1 with the design feature of novel each component, and during if there is being described to direction (upper and lower, left and right, before and after)
Structure is that reference describes, but the actual use direction of the utility model is not limited thereto.
The utility model provides a kind of fuel pressure transmitter pressure wave cancellation element, including device body, the dress
It puts ontology and includes first-level buffer chamber and level 2 buffering chamber 21, the first-level buffer chamber is equipped with oil inlet 12 and oil return opening 13, institute
It states level 2 buffering chamber 21 to be connected with first-level buffer chamber by excessively oily channel, buffering oil pipe 3, institute is equipped in the level 2 buffering chamber 21
State buffering oil pipe 3 and be equipped with the oil-through hole 31 that is communicated with the level 2 buffering chamber 21,21 outside of level 2 buffering chamber be equipped with
The pressure sensor connector 4 that the buffering oil pipe 3 communicates.In use, pressure sensor can be installed to pressure sensor connector 4
On, fuel oil is entered by oil inlet 12, is flowed out by oil return opening 13, therebetween by setting first-level buffer chamber and level 2 buffering chamber 21,
Two big fuel storage volumes are provided on front side of pressure sensor, the design of big volume+buffering oil pipe 3 can play voltage stabilizing, eliminate
The peak value of fuel pressure wave ensures that it is constant into fuel pressure transmitter pressure.Moreover, the device manufacturing cost is not high, but make
With long lifespan, effect is good.
First-level buffer chamber and level 2 buffering chamber 21 may be disposed in one or two device, preferably, described device sheet
Body includes first-level buffer tank 1 and level 2 buffering tank 2, and 1 inside of first-level buffer tank has first-level buffer chamber, the level 2 buffering
There is the inside of tank 2 level 2 buffering chamber 21, the first-level buffer tank 1 and level 2 buffering tank 2 to be connected by crossing oil pipe 5, for by one
Grade surge tank 1 is conducted in level 2 buffering tank 2.
Single tube or multitube form can be used in buffering oil pipe 3, and when using single tube form, buffering oil pipe 3 is installed to after being bent
On 2 inner wall of level 2 buffering tank, the buffering oil pipe 3 forms two interfaces on level 2 buffering tank 2, outside the level 2 buffering tank 2
Side is equipped with the buffering oil pipe connecting tube 6 of two interfaces of connection, and the buffering oil pipe connecting tube 6 connects equipped with pressure sensor
First 4, fuel oil enters after level 2 buffering tank 2 is connected to pressure sensor by oil-through hole 31, buffering oil pipe connecting tube 6, with this into one
Step reduces fuel pressure wave.
When buffering oil pipe 3 using multitube form, buffering oil pipe 3 includes being located at the first buffering inside level 2 buffering tank 2
Oil pipe and the second buffering oil pipe, 2 outside of level 2 buffering tank, which is equipped with, connects the first buffering oil pipe and the second buffering oil pipe
Buffering oil pipe connecting tube 6, the buffering oil pipe connecting tube 6 is equipped with pressure sensor connector 4.Fuel oil enters level 2 buffering tank
Pressure sensor is connected to by oil-through hole 31, buffering oil pipe connecting tube 6 afterwards, fuel pressure wave is further reduced with this.
Oil-through hole 31 may be provided in buffering oil pipe end, preferably, the tube wall of the buffering oil pipe 3 is equipped with oil-through hole
31。
In order to periodically discharge the gas in first-level buffer chamber and/or level 2 buffering chamber 21, the first-level buffer chamber and/or two
The top of grade cushion chamber 21 is equipped with drain tap.
Hand-operated valve, solenoid valve etc. can be used in drain tap, preferably, the drain tap includes that first-level buffer can be screwed in
Cock 7 in the top screw hole of chamber and/or level 2 buffering chamber 21, the cock 7 are equipped with exhaust passage 71, the exhaust passage
Inlet end is formed in cock bottom, outlet side is equipped on the side wall that can screw in screw hole.When needing exhaust, by cock 7 by spiral shell
Hole screws out part, when outlet side it is exposed, this is that internal gas can discharge.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (7)
1. a kind of fuel pressure transmitter pressure wave cancellation element, it is characterised in that：Including device body, described device ontology packet
First-level buffer chamber and level 2 buffering chamber are included, the first-level buffer chamber is equipped with oil inlet and oil return opening, and the level 2 buffering chamber leads to
Oily channel was crossed be connected with first-level buffer chamber, the level 2 buffering intracavitary is equipped with buffering oil pipe, it is described buffer oil pipe equipped with
The oil-through hole that the level 2 buffering chamber communicates, the pressure sensing that the level 2 buffering chamber outside is equipped with and the buffering oil pipe communicates
Device connector.
2. fuel pressure transmitter pressure wave cancellation element according to claim 1, it is characterised in that：Described device ontology
Including first-level buffer tank and level 2 buffering tank, there is first-level buffer chamber inside the first-level buffer tank, in the level 2 buffering tank
There is level 2 buffering chamber, the first-level buffer tank and level 2 buffering tank to be connected by crossing oil pipe in portion.
3. fuel pressure transmitter pressure wave cancellation element according to claim 2, it is characterised in that：The buffering oil pipe
Two interfaces are formed on level 2 buffering tank, the buffering oil pipe that two interfaces of connection are equipped on the outside of the level 2 buffering tank connects
It takes over, the buffering oil pipe connecting tube is equipped with pressure sensor connector.
4. fuel pressure transmitter pressure wave cancellation element according to claim 3, it is characterised in that：Buffering oil pipe includes
The the first buffering oil pipe and the second buffering oil pipe being located inside level 2 buffering tank, the level 2 buffering tank outside is equipped with described in connection
The buffering oil pipe connecting tube of first buffering oil pipe and the second buffering oil pipe, the buffering oil pipe connecting tube are equipped with pressure sensor
Connector.
5. fuel pressure transmitter pressure wave cancellation element according to claim 3 or 4, it is characterised in that：The buffering
The tube wall of oil pipe is equipped with oil-through hole.
6. fuel pressure transmitter pressure wave cancellation element according to claim 1, it is characterised in that：The first-level buffer
The top of chamber and/or level 2 buffering chamber is equipped with drain tap.
7. fuel pressure transmitter pressure wave cancellation element according to claim 6, it is characterised in that：The drain tap
Cock in top screw hole including that can screw in first-level buffer chamber and/or level 2 buffering chamber, the cock are equipped with exhaust passage,
The exhaust passage forms inlet end in cock bottom, and outlet side is equipped on the side wall that can screw in screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461049.2U CN207513717U (en) | 2017-11-03 | 2017-11-03 | A kind of fuel pressure transmitter pressure wave cancellation element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461049.2U CN207513717U (en) | 2017-11-03 | 2017-11-03 | A kind of fuel pressure transmitter pressure wave cancellation element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513717U true CN207513717U (en) | 2018-06-19 |
Family
ID=62537049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721461049.2U Active CN207513717U (en) | 2017-11-03 | 2017-11-03 | A kind of fuel pressure transmitter pressure wave cancellation element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513717U (en) |
-
2017
- 2017-11-03 CN CN201721461049.2U patent/CN207513717U/en active Active
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