CN211258854U - Jet pump for vehicle fuel system - Google Patents
Jet pump for vehicle fuel system Download PDFInfo
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- CN211258854U CN211258854U CN201922317457.6U CN201922317457U CN211258854U CN 211258854 U CN211258854 U CN 211258854U CN 201922317457 U CN201922317457 U CN 201922317457U CN 211258854 U CN211258854 U CN 211258854U
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Abstract
The utility model relates to a jet pump for a vehicle fuel system, which comprises a pump main body, wherein a fuel inlet joint is arranged on the pump main body and is fixedly connected with the pump main body through a first bracket; the pump main body is provided with an oil inlet, and the oil inlet is fixedly connected with the pump main body through a second bracket; the right end of the pump main body is provided with a first pressure regulating port, and the first pressure regulating port is provided with a sealing cover; the left end of the pump main body is provided with an oil outlet; a second pressure regulating port is formed in the inner side of the oil outlet; a positioning groove is fixedly arranged in the pump main body and is positioned between the first bracket and the second bracket, and a nozzle is arranged in the positioning groove; the upper end surface of the fuel inlet joint is provided with 4 clamping bosses; the foremost end of the sealing cover is provided with a rubber sealing ring. The utility model discloses can be used for vehicle fuel oil system's jet pump, structure scientific and reasonable, convenient to use, pressure stability, safe and reliable.
Description
Technical Field
The utility model relates to a jet pump especially relates to a jet pump for vehicle fuel oil system.
Background
The jet pump is a pump which utilizes working fluid with a certain pressure to spray out at a high speed through a nozzle and takes away the conveyed fluid, and the working principle is that when the working fluid is sprayed out from the nozzle at a high speed, the surrounding air is entrained by the jet flow at the inlet of a throat pipe to form vacuum, the conveyed fluid is sucked in, two fluids are mixed in the throat pipe and subjected to momentum exchange, so that the kinetic energy of the conveyed fluid is increased, and finally, most of the kinetic energy is converted into pressure energy through a diffusion pipe. The jet pump has the advantages of reliable work, convenient installation and maintenance, good sealing performance, and contribution to conveying toxic, explosive, inflammable and radioactive media, and various pressurized energy sources can be directly used as the working power of the jet pump without adding other auxiliary equipment, so the comprehensive application value of the jet pump is very high.
In a vehicle fuel system, a jet pump is generally used for an electric fuel pump assembly, the device can enable oil liquid in an auxiliary oil tank to be always in a full oil state when an automobile is at a low oil level, so that the automobile can be quickly started under the condition that the fuel in the oil tank is insufficient, and the jet pump is favorable for keeping the stability of the oil pressure of the system under special conditions. However, the existing jet pump generally has the defect of unstable pressure, and particularly under the condition of idling, the pressure value is large in fluctuation, so that great potential safety hazards exist. Therefore, there is a need for a jet pump for a vehicle fuel system, which can keep the pressure of the fuel system stable under special conditions such as idling, prolong the service life of the fuel system, and ensure the safety of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a jet pump for vehicle fuel oil system that structure scientific and reasonable, convenient to use, pressure stability, safe and reliable.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a jet pump for a vehicle fuel system comprises a pump main body, wherein a fuel inlet joint is arranged on the pump main body and fixedly connected with the pump main body through a first support; the fuel inlet joint is arranged in parallel with the fuel inlet; the right end of the pump main body is provided with a first pressure regulating port, the first pressure regulating port is provided with a sealing cover, and the sealing cover is fixedly connected with the right end of the pump main body through a hose; the left end of the pump main body is provided with an oil outlet; the inboard of oil-out be equipped with the second pressure regulating mouth, second pressure regulating mouth opening set up down, the second pressure regulating mouth is equipped with the closing cap, the closing cap pass through the left end of hose fixed connection pump main part.
According to the jet pump for the vehicle fuel system, the positioning groove is fixedly formed in the pump main body and is located between the first support and the second support, the nozzle is arranged in the positioning groove, and the positioning groove, the first support and the second support are arranged, so that the nozzle is convenient to install, firm in connection and safe and stable in use.
As above a jet pump for vehicle fuel oil system, the up end that fuel inlet connects be equipped with 4 joint bosss, 4 the joint boss be two bisymmetry distributions, the setting of joint boss is convenient for install more convenient, connects more fast, more reliable and more stable.
According to the jet pump for the vehicle fuel system, the reinforcing rib is arranged between the oil inlet and the fuel inlet connector, the reinforcing rib is higher in strength and safer and more reliable in use.
As above a jet pump for vehicle fuel oil system, the front end of closing cap be equipped with rubber seal, rubber seal's setting is convenient for first pressure regulating mouth and the sealed effect of second pressure regulating mouth better, and the pressure regulating is more convenient, and is more reliable, ensures that fuel oil system keeps the stability of pressure under special circumstances such as idle speed, prolongs fuel oil system's life, ensures safe in utilization.
The utility model has the advantages that: the utility model is provided with a fuel inlet joint which is fixedly connected with the pump main body through a first bracket; the pump main body is provided with an oil inlet, the oil inlet is fixedly connected with the pump main body through a second support, and the oil inlet and the fuel inlet joint are arranged side by side; the right end of the pump main body is provided with a first pressure regulating port, the first pressure regulating port is provided with a sealing cover, and the sealing cover is fixedly connected with the right end of the pump main body through a hose; the left end of the pump main body is provided with an oil outlet; a second pressure regulating port is formed in the inner side of the oil outlet, the opening of the second pressure regulating port is arranged downwards, and a sealing cover is arranged at the second pressure regulating port and fixedly connected with the left end of the pump main body through a hose; a positioning groove is fixedly arranged in the pump main body and is positioned between the first bracket and the second bracket, and a nozzle is arranged in the positioning groove; 4 clamping bosses are arranged on the upper end face of the fuel inlet joint, and the 4 clamping bosses are symmetrically distributed pairwise; a reinforcing rib is arranged between the oil inlet and the fuel inlet joint; the foremost end of closing cap is equipped with rubber seal, the utility model discloses can be used for vehicle fuel oil system's jet pump, structure scientific and reasonable, convenient to use, pressure stability, safe and reliable.
Drawings
FIG. 1 is a perspective view of a jet pump for a vehicle fuel system in an embodiment;
FIG. 2 is a side view of a jet pump for a vehicle fuel system in an embodiment;
FIG. 3 is a top view of a jet pump for a vehicle fuel system in an embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, 2 and 3, a jet pump for a vehicle fuel system comprises a pump main body 1, wherein a fuel inlet joint 2 is arranged on the pump main body 1, and the fuel inlet joint 2 is fixedly connected with the pump main body 1 through a first bracket 3; the fuel pump is characterized in that an oil inlet 4 is formed in the pump main body 1, the oil inlet 4 is fixedly connected with the pump main body 1 through a second bracket 5, and the oil inlet 4 and the fuel inlet joint 2 are arranged side by side; the right end of the pump main body 1 is provided with a first pressure regulating port 6, the first pressure regulating port 6 is provided with a sealing cover 7, and the sealing cover 7 is fixedly connected with the right end of the pump main body 1 through a hose 8; an oil outlet 9 is formed in the left end of the pump main body 1; the inboard of oil-out 9 be equipped with second pressure regulating mouth 10, second pressure regulating mouth 10 opening set up down, second pressure regulating mouth 10 is equipped with closing cap 7, closing cap 7 pass through the left end of hose 8 fixed connection pump main part 1.
In one embodiment of the jet pump for the vehicle fuel system, the positioning groove is fixedly arranged in the pump body 1 and is positioned between the first support 3 and the second support 5, a nozzle is arranged in the positioning groove, and the positioning groove, the first support 3 and the second support 5 are arranged, so that the nozzle is convenient to install, firm in connection and safe and stable in use.
In one embodiment of the jet pump for the vehicle fuel system, the upper end face of the fuel inlet connector 2 is provided with 4 clamping bosses 11, 4, the clamping bosses 11 are distributed in a pairwise symmetrical mode, the clamping bosses 11 are convenient to install and fast to connect, and the jet pump is stable and reliable.
In one embodiment of the jet pump for the vehicle fuel system, a reinforcing rib 12 is arranged between the oil inlet 4 and the fuel inlet connector 2, and the reinforcing rib 12 is higher in strength and safer and more reliable in use.
In one embodiment of the jet pump for the vehicle fuel system, the rubber sealing ring 13 is arranged at the foremost end of the sealing cover 7, the rubber sealing ring 13 is arranged, so that the sealing effect of the first pressure regulating port 6 and the second pressure regulating port 10 is better, the pressure regulation is more convenient and more reliable, the fuel system is ensured to keep the pressure stable under special conditions such as idling, the service life of the fuel system is prolonged, and the use safety is ensured.
The utility model discloses a fuel inlet joint 2 is arranged on a pump main body 1, the fuel inlet joint 2 is fixedly connected with the pump main body 1 through a first bracket 3; an oil inlet 4 is formed in the pump main body 1, the oil inlet 4 is fixedly connected with the pump main body 1 through a second bracket 5, and the oil inlet 4 and the fuel inlet joint 2 are arranged side by side; the right end of the pump main body 1 is provided with a first pressure regulating port 6, the first pressure regulating port 6 is provided with a sealing cover 7, and the sealing cover 7 is fixedly connected with the right end of the pump main body 1 through a hose 8; an oil outlet 9 is formed at the left end of the pump main body 1; a second pressure regulating port 10 is formed in the inner side of the oil outlet 9, the opening of the second pressure regulating port 10 is arranged downwards, a sealing cover 7 is arranged on the second pressure regulating port 10, and the sealing cover 7 is fixedly connected with the left end of the pump main body 1 through a hose 8; a positioning groove is fixedly arranged in the pump main body 1 and is positioned between the first bracket 3 and the second bracket 5, and a nozzle is arranged in the positioning groove; the upper end face of the fuel inlet connector 2 is provided with 4 clamping bosses 11, and the 4 clamping bosses 11 are symmetrically distributed pairwise; a reinforcing rib 12 is arranged between the oil inlet 4 and the fuel inlet joint 2; the foremost end of the cover 7 is provided with a rubber seal ring 13. The utility model discloses can be used for vehicle fuel oil system's jet pump, structure scientific and reasonable, convenient to use, pressure stability, safe and reliable.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A jet pump for a vehicle fuel system, characterized by: the fuel pump comprises a pump main body (1), wherein a fuel inlet joint (2) is arranged on the pump main body (1), and the fuel inlet joint (2) is fixedly connected with the pump main body (1) through a first support (3); the fuel pump is characterized in that an oil inlet (4) is formed in the pump main body (1), the oil inlet (4) is fixedly connected with the pump main body (1) through a second support (5), and the oil inlet (4) and the fuel inlet joint (2) are arranged side by side; the right end of the pump main body (1) is provided with a first pressure regulating port (6), the first pressure regulating port (6) is provided with a sealing cover (7), and the sealing cover (7) is fixedly connected with the right end of the pump main body (1) through a hose (8); an oil outlet (9) is formed in the left end of the pump main body (1); the inboard of oil-out (9) be equipped with second pressure regulating mouth (10), second pressure regulating mouth (10) opening set up down, second pressure regulating mouth (10) are equipped with closing cap (7), closing cap (7) pass through the left end of hose (8) fixed connection pump main part (1).
2. The jet pump for a vehicle fuel system as claimed in claim 1, characterized in that: the pump body (1) inside fixed be provided with the constant head tank, the constant head tank be located first support (3) and second support (5) between, the constant head tank in be equipped with the nozzle.
3. The jet pump for a vehicle fuel system as claimed in claim 1, characterized in that: the upper end face of the fuel inlet joint (2) is provided with 4 clamping bosses (11), 4, and the clamping bosses (11) are distributed in a pairwise symmetrical mode.
4. The jet pump for a vehicle fuel system as claimed in claim 1, characterized in that: and a reinforcing rib (12) is arranged between the oil inlet (4) and the fuel inlet joint (2).
5. The jet pump for a vehicle fuel system as claimed in claim 1, characterized in that: the foremost end of the sealing cover (7) is provided with a rubber sealing ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317457.6U CN211258854U (en) | 2019-12-22 | 2019-12-22 | Jet pump for vehicle fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317457.6U CN211258854U (en) | 2019-12-22 | 2019-12-22 | Jet pump for vehicle fuel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258854U true CN211258854U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922317457.6U Active CN211258854U (en) | 2019-12-22 | 2019-12-22 | Jet pump for vehicle fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2599913A (en) * | 2020-10-13 | 2022-04-20 | Delphi Automotive Systems Lux | Reservoir for a fuel delivery module |
-
2019
- 2019-12-22 CN CN201922317457.6U patent/CN211258854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2599913A (en) * | 2020-10-13 | 2022-04-20 | Delphi Automotive Systems Lux | Reservoir for a fuel delivery module |
| GB2599913B (en) * | 2020-10-13 | 2023-03-22 | Delphi Automotive Systems Lux | Reservoir for a fuel delivery module |
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