CN201407114Y - Fuel feeding device for vehicles used for heavy-duty motor - Google Patents
Fuel feeding device for vehicles used for heavy-duty motor Download PDFInfo
- Publication number
- CN201407114Y CN201407114Y CN2009200738392U CN200920073839U CN201407114Y CN 201407114 Y CN201407114 Y CN 201407114Y CN 2009200738392 U CN2009200738392 U CN 2009200738392U CN 200920073839 U CN200920073839 U CN 200920073839U CN 201407114 Y CN201407114 Y CN 201407114Y
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- China
- Prior art keywords
- oil
- way
- supply device
- fuel supply
- pump
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Abstract
The utility model discloses a fuel feeding device for vehicles used for heavy-duty motor, which comprises two supports, wherein each of the supports comprises an oil pump, a three-way connector, a flange, a pressure regulating valve and a JET pump, two oil pumps are arranged in an oil tank, the oil pumps are respectively arranged in an oil storage drum, the oil outlet pipe of the oil pump is connected with one way of the three-way connector, the second way of the three-way connector is directly connected with the JET pump, the third way of the three-way connector is connected with the oil outlet pipe of the flange through a one-way valve, the oil outlet pipe is connected with one way of a three-way fine filter, the second way of the three-way fine filter returns to the pressure regulatingvalve, and the third ways of two fine filters are respectively connected with a motor through a triplet. The fuel feeding device is arranged in the oil tank, supplies oil to a heavy-duty motor throughadopting double-support oil supplying scheme by using existing oil pumps, can satisfy high oil consumption demand of a heavy-duty motor without developing new high-flow oil pumps and pressure regulating valves, saves developing cost, and shortens developing period.
Description
Technical field
The utility model relates to a kind of auto parts machinery, is specifically related to a kind of automobile fuel supply device that is used for large-duty engine.
Background technique
Along with the fast development of car industry, the automobile of large-duty engine more and more is subjected to Consumer's welcome.But the oil consumption of large-duty engine is big, and existing oil pump can't satisfy its demand, if develop big flow oil pump again, then needs suitable development cost and cycle, and product newly developed is compared with the product of maturation and had certain risk.Therefore, consider to utilize existing oil pump to satisfy the high oil consumption demand of large-duty engine.
At present occurred a kind of oil supplying device that adopts double bracket fuel feeding scheme, as shown in Figure 1, two oil pumps have been set in same fuel tank, each oil pump places in the oil-storing barrel respectively; The oil outlet tube of the oil outlet adpting flange of each oil pump, oil outlet tube connects a road of threeway secondary filter; Another Lu Huixiang pressure regulator valve of threeway secondary filter, pressure regulator valve connects JET pump (jet pump); The Third Road of two threeway secondary filters passes through threeway respectively, is engine oil.
This oil supplying device adopts passive oil return mode, promptly drives the JET pump by the pressure regulator valve oil return, send oil by main fuel tank in oil-storing barrel.When two supports during simultaneously to engine oil, because there is certain difference in two pressure regulator valve performances, thereby cause the oil return of two supports seriously unbalance, thereby make the system pressure unstability, the safety in utilization of product is relatively poor.
The model utility content
Technical problem to be solved in the utility model provides a kind of automobile fuel supply device that is used for large-duty engine, and it adopts initiatively oil return mode, satisfies the high oil consumption demand of large-duty engine, and Security is better.
For solving the problems of the technologies described above, the technical solution that the utility model is used for the automobile fuel supply device of large-duty engine is:
Comprise two supports, each support comprises oil pump, tee union, flange, pressure regulator valve, JET pump; Two oil pumps are arranged in the same fuel tank, and each oil pump places in the oil-storing barrel respectively; The oil outlet tube of oil pump connects a road of tee union, and another road of tee union directly connects the pump to JET, and the Third Road of tee union is by the oil outlet tube of one-way valve adpting flange, and oil outlet tube connects a road of threeway secondary filter; Another Lu Huixiang pressure regulator valve of threeway secondary filter; The Third Road of two threeway secondary filters passes through threeway respectively, connects motor.
Described tee union comprises upper connection, lower contact; Lower contact is connected with oil pump outlet line, and upper connection is connected with the flange oil outlet tube; Upper connection is sheathed on the top of lower contact, and lower contact also is provided with the bypass that connects the JET pump.
The joint of described lower contact and oil pump outlet line is provided with Chinese fir shape rubber ring and block.
Described one-way valve is arranged in the upper connection of tee union.
Joint with the JET pump in the bypass of the lower contact of described tee union is built-in with filter.
Be provided with O shape circle between described upper connection and the lower contact.
Described tee union is connected with the cover plate of oil-storing barrel by the claw of lower contact bottom.
The bottom of described oil pump is provided with collet; Collet is provided with a plurality of buckles, with corresponding buckle slot clamping on the oil-storing barrel.
Described pressure regulator valve is arranged at flange, is fixed in the flange by back-up ring; Also be provided with the ground connection collar on the pressure regulator valve.
The technique effect that the utility model can reach is:
The utility model is installed in the fuel tank, utilizes existing oil pump, adopts double bracket fuel feeding scheme to the large-duty engine fuel feeding, need not to develop new big flow oil pump and pressure regulator valve, can satisfy the high oil consumption demand of large-duty engine, save development cost, shorten the construction cycle.
The utility model adopts active oil return mode simultaneously to engine oil, be that oil pump passes through filter and directly drives the JET pump, can guarantee the level height of oil-storing barrel under any state, thereby the pressure stability during assurance double bracket while fuel feeding, the phenomenon that the system pressure unstability can not occur has improved the safety in utilization of product.
The utility model simple and convenient assembly, compact structure.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the schematic representation of prior art double bracket formula oil supplying device;
Fig. 2 is the schematic representation that the utility model is used for the automobile fuel supply device of large-duty engine;
Fig. 3 is the structural representation of one of them support of the utility model;
Fig. 4 is the partial enlarged drawing at oil pump oil outlet place among Fig. 3;
Fig. 5 is the connection diagram of pressure regulator valve and flange.
Description of reference numerals among the figure:
1 is oil pump, and 2 is oil pump carrier, and 3 is collet,
4 is prefilter, and 5 is oil-storing barrel, and 6 is tee union,
61 are upper connection, and 62 are lower contact, and 7 is flange,
8 is one-way valve, and 10 is big O shape circle, and 11 is little O shape circle,
12 is Chinese fir shape rubber ring, and 13 is block, and 20 is pressure regulator valve,
22 is back-up ring, and 21 is steel ball, and 23 is the ground connection collar,
A is an oil pump outlet line.
Embodiment
As shown in Figure 2, the utility model is used for the automobile fuel supply device of large-duty engine, comprises two supports, and each support comprises oil pump, tee union, flange, pressure regulator valve, JET pump; Two oil pumps are arranged in the same fuel tank, and each oil pump places in the oil-storing barrel respectively; The oil outlet tube of oil pump connects a road of tee union, and another road of tee union directly connects the pump to JET, and the Third Road of tee union is by the oil outlet tube of one-way valve adpting flange, and oil outlet tube connects a road of threeway secondary filter; Another Lu Huixiang pressure regulator valve of threeway secondary filter; The Third Road of two threeway secondary filters passes through threeway respectively, is engine oil simultaneously.
As shown in Figure 3, the middle part of oil pump 1 is provided with oil pump carrier 2, and the bottom of oil pump 1 is provided with collet 3.Collet 3 is provided with some buckles, with corresponding buckle slot clamping on the oil-storing barrel 5, oil pump 1 is fixed in the oil-storing barrel 5 reliably.
The bottom of collet 3 is provided with prefilter 4, and collet 3 designs for one with prefilter 4.
Oil-storing barrel 5 tops are provided with the oil-storing barrel cover plate, and the oil-storing barrel cover plate is connected with oil-storing barrel 5 by buckle slot.
As shown in Figure 4, tee union 6 is arranged on the oil-storing barrel cover plate.Tee union 6 comprises upper connection 61, lower contact 62; Upper connection 61 is sheathed on the top of lower contact 62, and lower contact 62 also is provided with bypass, connects the JET pump.
Be provided with the sealing that big O shape circle 10 is used for the two between upper connection 61 and the lower contact 62.
The bottom of lower contact 62 is provided with claw, and tee union 6 is fixed by claw and oil-storing barrel cover plate.
The lower contact 62 of tee union 6 is connected with oil pump outlet line A, and the joint of the two is provided with Chinese fir shape rubber ring 12 and block 13, is used for the sealing between the two.The upper connection 61 of tee union 6 is connected by bellows with the flange oil outlet tube, and upper connection 61 is built-in with one-way valve 8, and one-way valve 8 can stop shuts down back pressure by the pressure release of JET pump oil circuit, plays the pressurize effect.Be provided with little O shape circle 11 between upper connection 61 and the one-way valve 8.
Joint with the JET pump in the bypass of tee union 6 is built-in with filter.
As shown in Figure 5, pressure regulator valve 20 is arranged at flange 7, is fixed in the flange 7 by back-up ring 22; Back-up ring 22 is provided with the card base of three projectioies, with corresponding bayonet socket clamping on the flange 7.The part that pressure regulator valve 20 is positioned at outside the back-up ring 22 is pressed into a ground connection collar 23 again, is grounded function.Pressure regulator valve 20 tops are provided with steel ball 21.
Claims (10)
1. automobile fuel supply device that is used for large-duty engine, it is characterized in that: comprise two supports, each support comprises oil pump, tee union, flange, pressure regulator valve, JET pump; Two oil pumps are arranged in the same fuel tank, and each oil pump places in the oil-storing barrel respectively; The oil outlet tube of oil pump connects a road of tee union, and another road of tee union directly connects the pump to JET, and the Third Road of tee union is by the oil outlet tube of one-way valve adpting flange, and oil outlet tube connects a road of threeway secondary filter; Another Lu Huixiang pressure regulator valve of threeway secondary filter; The Third Road of two threeway secondary filters passes through threeway respectively, connects motor.
2. the automobile fuel supply device that is used for large-duty engine according to claim 1 is characterized in that: described tee union comprises upper connection, lower contact; Lower contact is connected with oil pump outlet line, and upper connection is connected with the flange oil outlet tube; Upper connection is sheathed on the top of lower contact, and lower contact also is provided with the bypass that connects the JET pump.
3. the automobile fuel supply device that is used for large-duty engine according to claim 2 is characterized in that: the joint of described lower contact and oil pump outlet line is provided with Chinese fir shape rubber ring and block.
4. the automobile fuel supply device that is used for large-duty engine according to claim 2 is characterized in that: described one-way valve is arranged in the upper connection of tee union.
5. the automobile fuel supply device that is used for large-duty engine according to claim 2 is characterized in that: the joint with the JET pump in the bypass of described lower contact is built-in with filter.
6. the automobile fuel supply device that is used for large-duty engine according to claim 2 is characterized in that: be provided with O shape circle between described upper connection and the lower contact.
7. the automobile fuel supply device that is used for large-duty engine according to claim 2 is characterized in that: described tee union is connected with the cover plate of oil-storing barrel by the claw of lower contact bottom.
8. the automobile fuel supply device that is used for large-duty engine according to claim 1 is characterized in that: the bottom of described oil pump is provided with collet; Collet is provided with a plurality of buckles, with corresponding buckle slot clamping on the oil-storing barrel.
9. the automobile fuel supply device that is used for large-duty engine according to claim 1 is characterized in that: described pressure regulator valve is arranged at flange, is fixed in the flange by back-up ring.
10. the automobile fuel supply device that is used for large-duty engine according to claim 9 is characterized in that: also be provided with the ground connection collar on the described pressure regulator valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200738392U CN201407114Y (en) | 2009-04-24 | 2009-04-24 | Fuel feeding device for vehicles used for heavy-duty motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200738392U CN201407114Y (en) | 2009-04-24 | 2009-04-24 | Fuel feeding device for vehicles used for heavy-duty motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407114Y true CN201407114Y (en) | 2010-02-17 |
Family
ID=41678047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200738392U Expired - Lifetime CN201407114Y (en) | 2009-04-24 | 2009-04-24 | Fuel feeding device for vehicles used for heavy-duty motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407114Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996305A (en) * | 2011-06-14 | 2013-03-27 | 韩国自动车部品株式会社 | Fuel pump module for supplying diesel fuel |
-
2009
- 2009-04-24 CN CN2009200738392U patent/CN201407114Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996305A (en) * | 2011-06-14 | 2013-03-27 | 韩国自动车部品株式会社 | Fuel pump module for supplying diesel fuel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |