CN205225547U - Electronic control fuel injection device - Google Patents
Electronic control fuel injection device Download PDFInfo
- Publication number
- CN205225547U CN205225547U CN201521127443.3U CN201521127443U CN205225547U CN 205225547 U CN205225547 U CN 205225547U CN 201521127443 U CN201521127443 U CN 201521127443U CN 205225547 U CN205225547 U CN 205225547U
- Authority
- CN
- China
- Prior art keywords
- drain pan
- oil
- fuel injection
- injection device
- communicated
- 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 32
- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 239000000945 filler Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 51
- 101150006573 PAN1 gene Proteins 0.000 description 20
- 239000002828 fuel tank Substances 0.000 description 18
- 239000012530 fluid Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- -1 as shown in Figure 1 Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides an electronic control fuel injection device belongs to oil pump technical field. It has solved the current electronic control fuel injection device problem to the flat oil tank in of can not packing into. This electronic control fuel injection device, including the drain pan that has the bottom with locate the oil pump in the drain pan, the bottom department of drain pan is equipped with oil inlet no. 1, an oil inlet department is equipped with the jet pump, the drain pan slope sets up, the oblique upper portion of drain pan have the play that is used for being connected with the engine glib with the oil return mouth, this goes out glibly through oil -out intercommunication of connection structure no. 1 with the oil pump, the oil return mouth passes through connection structure no. 2 and the jet pump feeds through, is equipped with pressure regulating valve on the connection structure no. 2. The utility model has the advantages of compact structure, applicable flat oil tank.
Description
Technical field
The utility model belongs to oil pump technology field, relates to a kind of fuel injection apparatus, particularly a kind of tilting electronic fuel injection device.
Background technique
Electronic fuel injection technology controls one of motor noxious gas emission and the major technique improving engine performance.Automobile and motorcycle equal power device application electronic fuel injection technology significantly can reduce the discharge of harmful gas, and improve its performance and reduce fuel consume.Existing engine electric control fuel oil spraying system adopts oil sprayer or fuel pump to add spray nozzle device and spraying in cylinder by fuel oil pressurization, in order to ensure ejecting system stable operation, generally allowing system have enough recirculating oil quantities to get rid of the bubble in oil circuit.In the built-in fuel pump system of fuel tank, oil return has very strong fluid ability owing to being subject to the driving of fuel pump, directly can get back to fuel tank, because fuel tank itself has very strong Oil-gas Separation ability, need not arrange deaerator in addition.
Existing engine electric control fuel oil spraying system structure is comparatively complicated, arranges unreasonable between each parts, the fuel tank needing volume larger with the use of, can not be encased in flat fuel tank, be just not suitable for being applied on motorcycle, Applicable scope is little.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of compact structure, is suitable for the electronic fuel injection device of flat fuel tank.
The purpose of this utility model realizes by following technical proposal:
This electronic fuel injection device, comprise the drain pan with bottom and the oil pump be located in drain pan, the bottom place of described drain pan is provided with filler opening one, described filler opening one place is provided with jet pump, it is characterized in that, described drain pan is obliquely installed, the oblique top of described drain pan has oil outlet for being connected with motor and oil return nozzle, this oil outlet is communicated with the oil outlet of oil pump by linkage structure one, described oil return nozzle is communicated with jet pump by linkage structure two, and described linkage structure two is provided with pressure regulator valve.
This injection apparatus is located in fuel tank, oil outlet and oil return nozzle be fixed on fuel tank on cover, the fluid in fuel tank enters in drain pan by filler opening one, and the fluid being positioned at drain pan after operation of oil pump enters into motor through linkage structure one and oil outlet; Motor consumes remaining fluid and enters in jet pump through oil return nozzle, linkage structure two, and spray delivery side of pump and face filler opening one setting, the fluid in fuel tank is brought in drain pan again by jet pump work, realizes drain pan fuel feeding balance.
In above-mentioned electronic fuel injection device, described linkage structure one comprises oil outlet tube for being communicated with oil outlet and drain pan top and the bellows one for being communicated with oil outlet tube and oil pump oil outlet be located in drain pan, described linkage structure two comprises return tube for being communicated with oil return nozzle and drain pan top and the bellows two for being communicated with return tube and jet pump be located in drain pan, and described pressure regulator valve is located on this return tube.
In above-mentioned electronic fuel injection device, described return tube comprises the pipe two of the pipe one be communicated with oil return nozzle, the pipe three be communicated with drain pan top and connecting tube one and pipe three, the end of pipe two is located at by above-mentioned pressure regulator valve, described pipe three is arranged with the spring that one end acts on drain pan top, and the other end of this spring acts on pipe two.
In above-mentioned electronic fuel injection device, in described drain pan, be provided with the inner support for fixing oil pump, described inner support be also fixed with for the jointing of diaphragm for passageway two with jet pump, between described jointing and jet pump, be provided with O type circle.
In above-mentioned electronic fuel injection device, the bottom of described drain pan has along the axially extended shrinkage pool of drain pan, and described jet pump is axially located in this shrinkage pool, and above-mentioned filler opening one is arranged perpendicular to this shrinkage pool, and described filler opening one place is provided with safety check.
In above-mentioned electronic fuel injection device, filler opening two place of described oil pump is provided with feed liquor skeleton, and described feed liquor skeleton is provided with filter screen.Feed liquor skeleton can effectively support filter screen, and filter screen can filter the impurity in fluid.
In above-mentioned electronic fuel injection device, the bottom of described drain pan has the installation bore be obliquely installed, be provided with cushion pad in described installation bore, this cushion pad is that rubber material is made.This cushion pad can prevent drain pan from directly contacting with fuel tank, can also play cushioning effect.
Compared with prior art, this electronic fuel injection device has the following advantages:
Due to the particularity of this injection apparatus structure, compact structure, low to the shape need of fuel tank, be applicable to the fuel tank of flat, applied widely; Be applicable to the fuel oil of gasoline, ethanol, methyl alcohol, highly versatile.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment that the utility model provides.
In figure, 1, drain pan; 11, bottom; 12, cushion pad; 2, oil pump; 3, jet pump; 4, oil outlet; 5, oil return nozzle; 41, oil outlet tube; 42, return tube; 51, bellows one; 52, bellows two; 6, pressure regulator valve; 7, spring; 8, inner support; 9, jointing; 10, feed liquor skeleton.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Electronic fuel injection device as shown in Figure 1, comprise the drain pan 1 with bottom 11 and the oil pump 2 be located in drain pan 1, bottom 11 place of drain pan 1 is provided with filler opening one, filler opening one place is provided with jet pump 3, drain pan 1 is obliquely installed, and the oblique top of drain pan 1 has oil outlet 4 for being connected with motor and oil return nozzle 5, and this oil outlet 4 is communicated with the oil outlet of oil pump 2 by linkage structure one, oil return nozzle 5 is communicated with jet pump 3 by linkage structure two, and linkage structure two is provided with pressure regulator valve 6.
This injection apparatus is located in fuel tank, as shown in Figure 1, oil outlet 4 and oil return nozzle 5 be fixed on fuel tank on cover, the fluid in fuel tank enters in drain pan 1 by filler opening one, and the fluid that oil pump 2 is positioned at drain pan 1 after working enters into motor through linkage structure one and oil outlet 4; Motor consumes remaining fluid and enters in jet pump 3 through oil return nozzle 5, linkage structure two, and the outlet of jet pump 3 faces filler opening one setting, and jet pump 3 works and is brought in drain pan 1 by the fluid in fuel tank, realizes drain pan 1 fuel feeding balance.
As shown in Figure 1, linkage structure one comprises the oil outlet tube 41 for being communicated with oil outlet 4 and drain pan 1 top and is located at the bellows 1 for being communicated with oil outlet tube 41 and oil pump 2 oil outlet in drain pan 1, linkage structure two comprises the return tube 42 for being communicated with oil return nozzle 5 and drain pan 1 top and is located at the bellows 2 52 for being communicated with return tube 42 and jet pump 3 in drain pan 1, and pressure regulator valve 6 is located on this return tube 42.
Concrete, return tube 42 comprises the pipe two of the pipe one be communicated with oil return nozzle 5, the pipe three be communicated with drain pan 1 top and connecting tube one and pipe three, the end of pipe two is located at by pressure regulator valve 6, and pipe three is arranged with the spring 7 that one end acts on drain pan 1 top, the other end of this spring 7 acts on pipe two.
As shown in Figure 1, in drain pan 1, be provided with the inner support 8 for fixing oil pump 2, inner support 8 be also fixed with for the jointing 9 of diaphragm for passageway 2 52 with jet pump 3, between jointing 9 and jet pump 3, be provided with O type circle.
As shown in Figure 1, the bottom 11 of drain pan 1 has along the axially extended shrinkage pool of drain pan 1, and jet pump 3 is axially located in this shrinkage pool, and filler opening one is arranged perpendicular to this shrinkage pool, and filler opening one place is provided with safety check.
As shown in Figure 1, filler opening two place of oil pump 2 is provided with feed liquor skeleton 10, and feed liquor skeleton 10 is provided with filter screen, and feed liquor skeleton 10 can effectively support filter screen, and filter screen can filter the impurity in fluid.As shown in Figure 1, the bottom 11 of drain pan 1 has be obliquely installed two and install bore, install in bore and be provided with cushion pad 12, this cushion pad 12 is made for rubber material, and cushion pad 12 can prevent drain pan 1 from directly contacting with fuel tank, can also play cushioning effect.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. an electronic fuel injection device, comprise the drain pan (1) with bottom (11) and the oil pump (2) be located in drain pan (1), bottom (11) place of described drain pan (1) is provided with filler opening one, described filler opening one place is provided with jet pump (3), it is characterized in that, described drain pan (1) is obliquely installed, the oblique top of described drain pan (1) has oil outlet (4) for being connected with motor and oil return nozzle (5), this oil outlet (4) is communicated with by the oil outlet of linkage structure one with oil pump (2), described oil return nozzle (5) is communicated with jet pump (3) by linkage structure two, described linkage structure two is provided with pressure regulator valve (6).
2. electronic fuel injection device according to claim 1, it is characterized in that, described linkage structure one comprises the oil outlet tube (41) for being communicated with oil outlet (4) and drain pan (1) top and is located at the bellows one (51) for being communicated with oil outlet tube (41) and oil pump (2) oil outlet in drain pan (1), described linkage structure two comprises the return tube (42) for being communicated with oil return nozzle (5) and drain pan (1) top and is located at the bellows two (52) for being communicated with return tube (42) and jet pump (3) in drain pan (1), described pressure regulator valve (6) is located on this return tube (42).
3. electronic fuel injection device according to claim 2, it is characterized in that, described return tube (42) comprises the pipe two of the pipe one be communicated with oil return nozzle (5), the pipe three be communicated with drain pan (1) top and connecting tube one and pipe three, the end of pipe two is located at by above-mentioned pressure regulator valve (6), described pipe three is arranged with the spring (7) that one end acts on drain pan (1) top, the other end of this spring (7) acts on pipe two.
4. electronic fuel injection device according to claim 2, it is characterized in that, the inner support (8) for fixing oil pump (2) is provided with in described drain pan (1), described inner support (8) is also fixed with for the jointing (9) of diaphragm for passageway two (52) with jet pump (3), between described jointing (9) and jet pump (3), is provided with O type circle.
5. electronic fuel injection device according to claim 1, it is characterized in that, the bottom (11) of described drain pan (1) has along drain pan (1) axially extended shrinkage pool, described jet pump (3) is axially located in this shrinkage pool, above-mentioned filler opening one is arranged perpendicular to this shrinkage pool, and described filler opening one place is provided with safety check.
6. electronic fuel injection device according to claim 1, is characterized in that, filler opening two place of described oil pump (2) is provided with feed liquor skeleton (10), and described feed liquor skeleton (10) is provided with filter screen.
7. electronic fuel injection device according to claim 1, it is characterized in that, the bottom (11) of described drain pan (1) has the installation bore be obliquely installed, be provided with cushion pad (12) in described installation bore, this cushion pad (12) is made for rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127443.3U CN205225547U (en) | 2015-12-29 | 2015-12-29 | Electronic control fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127443.3U CN205225547U (en) | 2015-12-29 | 2015-12-29 | Electronic control fuel injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225547U true CN205225547U (en) | 2016-05-11 |
Family
ID=55900617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521127443.3U Expired - Fee Related CN205225547U (en) | 2015-12-29 | 2015-12-29 | Electronic control fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225547U (en) |
-
2015
- 2015-12-29 CN CN201521127443.3U patent/CN205225547U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |