CN215292732U - One-way choked flow device of car fuel pump - Google Patents
One-way choked flow device of car fuel pump Download PDFInfo
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- CN215292732U CN215292732U CN202121261243.2U CN202121261243U CN215292732U CN 215292732 U CN215292732 U CN 215292732U CN 202121261243 U CN202121261243 U CN 202121261243U CN 215292732 U CN215292732 U CN 215292732U
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- circulation groove
- fuel pump
- wall
- adjusting
- sealing sliding
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Abstract
The utility model discloses an one-way choked flow device of car fuel pump, including the connecting block, the circulation groove has been seted up in the connection block upper end through, the upper end inner wall of circulation groove is fixed with the baffle, the lower extreme inner wall of circulation groove is fixed with into oil pipe, the upper end of baffle is run through and is inserted and be equipped with U type pipe, the both ends port of U type pipe all runs through to the baffle bottom, the upper end of U type pipe is inserted and is equipped with out oil pipe, the inside of circulation groove is provided with the choked flow device, the inner wall of circulation groove is provided with the adjusting device that two symmetries set up. In the device, the circulation groove, the sealing sliding plate and the adjusting groove are arranged, so that the sealing sliding plate can be jacked up in the pressurizing and oil supplying process of the fuel pump, the circulation groove is communicated with the adjusting groove, the oil way is communicated, the safe operation of an automobile oil way is guaranteed, when the fuel pump stops working, the sealing sliding plate realizes the sealing of the circulation groove, the fuel backflow can be avoided, and the safety use of the fuel pump can be protected.
Description
Technical Field
The utility model relates to a fuel pump technical field especially relates to an one-way choked flow device of car fuel pump.
Background
The fuel pump is a professional term in the automobile accessory industry, is one of basic components of a fuel injection system of an electronic injection automobile, is positioned in a fuel tank of the automobile, and is used for sucking fuel out of the fuel tank, pressurizing the fuel and then conveying the pressurized fuel into a fuel supply pipe, and establishing certain fuel pressure by matching with a fuel pressure regulator;
when the fuel oil level is too high in the oil tank of the automobile and the automobile is refueled, the reverse flow of the fuel can occur, the safe operation of the automobile fuel pump can be greatly influenced, therefore, the reverse flow of the fuel pump needs to be blocked by the one-way flow blocking device, the induction time of the traditional flow blocking device is long, the reverse flow of a small amount of fuel can exist, the safety is low, and therefore the one-way flow blocking device with the good flow blocking effect for the automobile fuel pump needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of poor choking effect in the prior art and providing an one-way choking device of automobile fuel pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a one-way choked flow device of car fuel pump, includes the connecting block, the circulation groove has been seted up in the connection block upper end through, the upper end inner wall of circulation groove is fixed with the baffle, the lower extreme inner wall of circulation groove is fixed with into oil pipe, the upper end of baffle is run through and is inserted and be equipped with U type pipe, the both ends port of U type pipe all runs through to the baffle bottom, the upper end of U type pipe is inserted and is equipped with out oil pipe, the inside of circulation groove is provided with the choked flow device, the inner wall of circulation groove is provided with the adjusting device that two symmetries set up.
Preferably, the flow blocking device comprises a guide rod fixed at the bottom of the baffle, a limit stop block is fixed at the bottom of the guide rod, a sealing sliding plate is connected to the inner wall of the circulation groove in a sealing and sliding manner, and two adjusting grooves are formed in the inner wall of the circulation groove.
Preferably, the sealing sliding plate is connected with the guide rod in a sealing and sliding mode, and the upper end of the sealing sliding plate is connected with the bottom of the baffle plate through a connecting spring.
Preferably, the bottom of the sealing sliding plate abuts against the limit stop, and the sealing sliding plate is located below the adjusting groove.
Preferably, the adjusting device comprises a push plate in sliding connection with the inner wall of the adjusting groove in a sealing manner, and the side wall of the push plate is rotatably connected with an adjusting rod through a bearing.
Preferably, the push plate is obliquely arranged at the end part close to the circulation groove, the adjusting rod penetrates through the outside of the connecting block, and the adjusting rod is a threaded rod.
Compared with the prior art, the utility model has the advantages of:
1. in the device, the circulation groove, the sealing sliding plate and the adjusting groove are arranged, so that the sealing sliding plate can be jacked up in the pressurizing oil supply process of the fuel pump, the circulation groove is communicated with the adjusting groove, the oil way is communicated, the safe operation of an automobile oil way is ensured, when the fuel pump stops working, the sealing sliding plate seals the circulation groove, the backflow of fuel oil can be avoided, and the safety use of the fuel pump can be protected;
2. in this device, through the push pedal that sets up tip slope in adjustment tank inside, the fuel circulation of can being convenient for, the removal of push pedal is realized to rotatable regulation pole simultaneously to can be to the change in push pedal and adjustment tank effect space, and then can control the maximum circulation of fuel, can be applicable to the more different circumstances, the suitability is stronger.
Drawings
Fig. 1 is a schematic structural view of a one-way choke device of an automobile fuel pump according to the present invention;
fig. 2 is a side sectional view of a one-way flow choking device of an automobile fuel pump according to the present invention;
fig. 3 is a top view of the one-way flow blocking device of the fuel pump of the vehicle provided by the present invention.
In the figure: the device comprises a connecting block 1, a circulation groove 2, a baffle 3, an oil inlet pipe 4, a U-shaped pipe 5, an oil outlet pipe 6, a guide rod 7, a limit stop 8, a sealing sliding plate 9, a connecting spring 10, an adjusting groove 11, a push plate 12 and an adjusting rod 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a one-way choked flow device of car fuel pump, including connecting block 1, connecting block 1 upper end is run through and is seted up circulation groove 2, the upper end inner wall of circulation groove 2 is fixed with baffle 3, the lower extreme inner wall of circulation groove 2 is fixed with into oil pipe 4, the upper end of baffle 3 is run through and is inserted and be equipped with U type pipe 5, the both ends port of U type pipe 5 all runs through to 3 bottoms of baffle, the upper end of U type pipe 5 is inserted and is equipped with out oil pipe 6, the inside of circulation groove 2 is provided with the choked flow device, the inner wall of circulation groove 2 is provided with the adjusting device of two symmetries settings, advance oil pipe 4 and the oil feeding system intercommunication of fuel pump, the inside fuel supply of play oil pipe 6 is sent to in supplying oil pipe, realize the circulation of oil circuit.
The flow blocking device comprises a guide rod 7 fixed at the bottom of the baffle 3, a limit stop 8 is fixed at the bottom of the guide rod 7, the inner wall of the circulation groove 2 is connected with a sealing sliding plate 9 in a sealing and sliding manner, and the inner wall of the circulation groove 2 is provided with two adjusting grooves 11; the sealing sliding plate 9 is connected with the guide rod 7 in a sealing and sliding manner, and the upper end of the sealing sliding plate 9 is connected with the bottom of the baffle plate 3 through a connecting spring 10; the bottom of sealed slide 9 offsets with limit stop 8, and sealed slide 9 is located the below of adjustment tank 11, through setting up choked flow device, can prevent that fuel flows against the current to the fuel pump inside in the oil circuit, can play the guard action to the fuel pump, need not induction time for the fuel pump uses safelyr.
The adjusting device comprises a push plate 12 which is connected with the inner wall of the adjusting groove 11 in a sealing and sliding manner, and the side wall of the push plate 12 is rotatably connected with an adjusting rod 13 through a bearing; push pedal 12 is close to the tip slope setting of circulation groove 2, adjusts pole 13 and runs through to connecting block 1 outside, adjusts pole 13 and is the threaded rod, adjusts pole 13 through rotating, can change push pedal 12 and 2 space sizes of circulation groove, and then can control the maximum flux of fuel, can be used for the environment of more differences, and the suitability is stronger.
The utility model discloses in, through the operation of fuel pump, make the inside fuel of car oil tank discharge along advancing oil pipe 4 after the pressurization, and the high-pressure fuel that gets into along advancing oil pipe 4 gets into the circulation groove 2 inside, realize the extrusion to sealed slide 9, make sealed slide 9 can slide along guide bar 7 is sealed, connecting spring 10 compression state this moment, when the lateral wall of sealed slide 9 crosses the bottom of adjustment tank 11, the fuel below sealed slide 9 can get into the inside of adjustment tank 11, reach the upper end of sealed slide 9 through push pedal 12 of the inside of adjustment tank 11, thereby can get into along U type pipe 5 both ends port, finally discharge along play oil pipe 6, the fuel after the realization pressurization can move to the oil circuit, guarantee the safe handling of car;
when the flow pumped by the fuel pump is too large, the fuel entering along the oil inlet pipe 4 is too much, so that the upward movement distance of the sealing sliding plate 9 is farther, and after the sealing sliding plate 9 reaches the upper part of the adjusting groove 11, the circulation groove 2 is closed through the sealing sliding plate 9, so that the safe use of the oil way can be ensured, when the oil quantity delivered by the fuel pump is reduced, the connecting spring 10 in a compression state can push the sealing sliding plate 9 to move downwards, the re-communication of the circulation groove 2 is realized, and the safe circulation of the oil way can be ensured;
when the automobile stops working, the connecting spring 10 in a compressed state drives the sealing sliding plate 9 to return to the original position, so that the sealing of the convection through groove 2 is realized, at the moment, the sealing sliding plate 9 abuts against the limit stop 8 and cannot move again, so that the fuel oil flowing backwards reaches the upper end of the sealing sliding plate 9, the fuel oil can be conveniently reused next time, the fuel oil in an oil way can be prevented from flowing backwards into the fuel pump, the fuel pump can be protected, the induction time is not needed, and the fuel pump is safer to use;
and in the choked flow device use, through rotating adjusting rod 13 for push pedal 12 slides along 11 inner walls of adjustment tank are sealed, thereby can realize changing push pedal 12 and circulation groove 2 space size, and then can control the maximum circulation of fuel, can be used for the environment of more differences, and the suitability is stronger.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a one-way choked flow device of car fuel pump, includes connecting block (1), its characterized in that, connecting block (1) upper end is run through and is seted up circulation groove (2), the upper end inner wall of circulation groove (2) is fixed with baffle (3), the lower extreme inner wall of circulation groove (2) is fixed with into oil pipe (4), the upper end of baffle (3) is run through and is inserted and be equipped with U type pipe (5), the both ends port of U type pipe (5) all runs through to baffle (3) bottom, the upper end of U type pipe (5) is inserted and is equipped with out oil pipe (6), the inside of circulation groove (2) is provided with the choked flow device, the inner wall of circulation groove (2) is provided with the adjusting device that two symmetries set up.
2. The one-way flow blocking device of the automobile fuel pump is characterized in that the flow blocking device comprises a guide rod (7) fixed at the bottom of a baffle (3), a limiting stop block (8) is fixed at the bottom of the guide rod (7), a sealing sliding plate (9) is connected to the inner wall of the circulation groove (2) in a sealing and sliding mode, and two adjusting grooves (11) are formed in the inner wall of the circulation groove (2).
3. The automobile fuel pump one-way choke device is characterized in that the sealing sliding plate (9) is in sealing sliding connection with the guide rod (7), and the upper end of the sealing sliding plate (9) is connected with the bottom of the baffle plate (3) through a connecting spring (10).
4. The automobile fuel pump unidirectional flow blocking device as recited in claim 3, characterized in that the bottom of the sealing sliding plate (9) is abutted against the limit stop (8), and the sealing sliding plate (9) is positioned below the adjusting groove (11).
5. The automobile fuel pump unidirectional flow blocking device as claimed in claim 2, characterized in that the adjusting device comprises a push plate (12) which is in sealing sliding connection with the inner wall of the adjusting groove (11), and the side wall of the push plate (12) is rotatably connected with an adjusting rod (13) through a bearing.
6. The automobile fuel pump unidirectional flow blocking device as claimed in claim 5, characterized in that the end of the push plate (12) close to the flow channel (2) is obliquely arranged, the adjusting rod (13) penetrates to the outside of the connecting block (1), and the adjusting rod (13) is a threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261243.2U CN215292732U (en) | 2021-06-07 | 2021-06-07 | One-way choked flow device of car fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261243.2U CN215292732U (en) | 2021-06-07 | 2021-06-07 | One-way choked flow device of car fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215292732U true CN215292732U (en) | 2021-12-24 |
Family
ID=79514487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121261243.2U Active CN215292732U (en) | 2021-06-07 | 2021-06-07 | One-way choked flow device of car fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215292732U (en) |
-
2021
- 2021-06-07 CN CN202121261243.2U patent/CN215292732U/en active Active
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