CN210599232U - Fuel pump assembly structure - Google Patents
Fuel pump assembly structure Download PDFInfo
- Publication number
- CN210599232U CN210599232U CN201921824087.9U CN201921824087U CN210599232U CN 210599232 U CN210599232 U CN 210599232U CN 201921824087 U CN201921824087 U CN 201921824087U CN 210599232 U CN210599232 U CN 210599232U
- Authority
- CN
- China
- Prior art keywords
- oil
- cavity
- pump
- boss
- 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
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses a fuel pump assembly structure, which comprises a flange body, an oil pump and a filter, wherein an oil inlet of the oil pump is connected with the filter, the fuel pump assembly structure also comprises a middle component, a middle pipeline and a pressure relief cavity are arranged on the body of the middle component, and a pressure relief valve is arranged in the pressure relief cavity; the oil pump oil outlet is communicated with the middle pipeline through a connecting pipeline arranged in the connecting body, the body is buckled with the flange body through a first buckle to communicate the pressure relief valve with the pressure stabilizing cavity and communicate the oil outlet end of the middle pipeline with the oil supply cavity, and the oil pump oil outlet is communicated with the middle pipeline.
Description
Technical Field
The utility model relates to a fuel motor car fuel supplies with technical field, specifically is a fuel pump assembly structure.
Background
The fuel pump is an important component of a fuel oil type motor vehicle, and has the functions of sucking fuel oil from a fuel oil tank, pressurizing the fuel oil and then conveying the pressurized fuel oil to an oil supply pipe to supply the fuel oil to the engine as fuel.
Disclosure of Invention
An object of the utility model is to provide a fuel pump assembly structure, it is succinct to have the structure, and convenient equipment can be according to the advantage of the fuel consumption automatic adjustment fuel delivery, has solved the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a fuel pump assembly structure comprises a flange body 1, an oil pump 2 and a filter 3, wherein an oil inlet of the oil pump 2 is connected with the filter 3, the fuel pump assembly structure also comprises a middle component 4, a middle pipeline 402 and a pressure relief cavity 403 are arranged on a body 401 of the middle component 4, and a pressure relief valve 404 is arranged in the pressure relief cavity 403; the oil supply device is characterized in that a first boss 102 and a second boss 103 are arranged at the upper end of the flange body 1, the first boss 102 and the second boss 103 are connected into a whole through a connecting body 104, an oil outlet joint 101 is arranged on the outer side of the first boss 102, a pressure stabilizing cavity 106 is arranged in the first boss 102, an oil supply cavity 108 is arranged in the second boss 103, an oil outlet pipeline 105 arranged in the oil outlet joint 101 is communicated with the pressure stabilizing cavity 106, the pressure stabilizing cavity 106 is communicated with the oil supply cavity 108 through a connecting pipeline 107 arranged in the connecting body 104, the body 401 is buckled with the flange body 1 through a first buckle 109, the pressure release valve 404 is communicated with the pressure stabilizing cavity 106 and the oil outlet end of the middle pipeline 402 is communicated with the oil supply cavity 108, and the oil outlet of the oil pump 2 is communicated with the middle pipeline 402.
Further, a pump core accommodating cavity 110 is arranged on the flange body 1, and the oil pump 2 is fixed in the pump core accommodating cavity 110 through an oil pump fixing shell 201.
Further, an insertion groove 111 is formed in the outer wall of the pump core accommodating cavity 110, a positioning tongue 202 matched with the insertion groove 111 is arranged on the oil pump fixing shell 201, and a second buckle 203 matched with the pump core accommodating cavity 110 is further arranged on the oil pump fixing shell 201.
The utility model has the advantages that: the utility model provides a fuel pump assembly structure, set up the pressure stabilizing cavity on the flange body and communicate with relief valve, when the pressure rises in the little oil circuit of vehicle fuel consumption, the relief valve switches on and makes some fuel flow back to the oil tank directly through the relief valve via the bypass of pressure relieving cavity, makes the pressure in the oil circuit reduce, protects the oil pump motor safe in use, and through the volume effect in pressure stabilizing cavity, makes the fuel pressure change in the oil outlet pipeline steady, supplies the fuel that pressure is stable for the engine; the pressure relief valve is assembled in the pressure relief cavity, the pressure relief valve is firmly communicated with the pressure stabilizing cavity under the action of the first buckle, the assembly is convenient, the production efficiency is high, the injection mold of the flange body is simplified, the production efficiency of the flange body is improved, and the oil pump and the pump core accommodating cavity are combined more firmly, the structure is more stable and the service life is long through the arranged inserting groove and the positioning tongue.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a bottom view of the present invention.
Fig. 4 is a sectional view a-a in fig. 3.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a fuel pump assembly structure includes a flange body 1, an oil pump 2, a filter 3, an oil inlet of the oil pump 2 is connected with the filter 3, and also includes a middle component 4, a middle pipeline 402 and a pressure relief cavity 403 are arranged on a body 401 of the middle component 4, and a pressure relief valve 404 is installed in the pressure relief cavity 403; the upper end of the flange body 1 is provided with a first boss 102 and a second boss 103, the first boss 102 and the second boss 103 are connected into a whole through a connecting body 104, an oil outlet joint 101 is arranged on the outer side of the first boss 102, a pressure stabilizing cavity 106 is arranged in the first boss 102, an oil supply cavity 108 is arranged in the second boss 103, an oil outlet pipeline 105 arranged in the oil outlet joint 101 is communicated with the pressure stabilizing cavity 106, the pressure stabilizing cavity 106 is communicated with the oil supply cavity 108 through a connecting pipeline 107 arranged in the connecting body 104, the body 401 is buckled with the flange body 1 through a first buckle 109 to communicate a pressure release valve 404 with the pressure stabilizing cavity 106 and communicate an oil outlet end of a middle pipeline 402 with the oil supply cavity 108, and an oil outlet of the oil pump 2 is communicated with the middle pipeline 402.
Preferably, the flange body 1 is provided with a pump core accommodating cavity 110, and the oil pump 2 is fixed in the pump core accommodating cavity 110 through an oil pump fixing housing 201.
Preferably, the outer wall of the pump core accommodating cavity 110 is provided with an insertion groove 111, the oil pump fixing housing 201 is provided with a positioning tongue 202 adapted to the insertion groove 111, and the oil pump fixing housing 201 is further provided with a second buckle 203 adapted to the pump core accommodating cavity 110.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, as the term "comprises" or "comprising" is used in a generic sense to refer to any element as it does not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fuel pump assembly structure, includes flange body (1), oil pump (2), filter (3), the oil inlet of oil pump (2) with filter (3) are connected, its characterized in that: the device is characterized by further comprising an intermediate component (4), wherein an intermediate pipeline (402) and a pressure relief cavity (403) are arranged on a body (401) of the intermediate component (4), and a pressure relief valve (404) is installed in the pressure relief cavity (403); the oil supply device is characterized in that a first boss (102) and a second boss (103) are arranged at the upper end of the flange body (1), the first boss (102) and the second boss (103) are connected into a whole through a connecting body (104), an oil outlet joint (101) is arranged on the outer side of the first boss (102), a pressure stabilizing cavity (106) is arranged in the first boss (102), an oil supply cavity (108) is arranged in the second boss (103), an oil outlet pipeline (105) arranged in the oil outlet joint (101) is communicated with the pressure stabilizing cavity (106), the pressure stabilizing cavity (106) is communicated with the oil supply cavity (108) through a connecting pipeline (107) arranged in the connecting body (104), the pressure release valve (404) is communicated with the pressure stabilizing cavity (106) through a first buckle (109) and the flange body (1) in a buckling mode, and the oil outlet end of the intermediate pipeline (402) is communicated with the oil supply cavity (108), the oil outlet of the oil pump (2) is communicated with the middle pipeline (402).
2. The fuel pump assembly structure of claim 1, wherein: be provided with pump core on flange body (1) and hold chamber (110), oil pump (2) are fixed through oil pump fixed casing (201) in the pump core holds chamber (110).
3. The fuel pump assembly structure of claim 2, wherein: the outer wall of the pump core accommodating cavity (110) is provided with an insertion groove (111), the oil pump fixing shell (201) is provided with a positioning tongue (202) matched with the insertion groove (111), and the oil pump fixing shell (201) is further provided with a second buckle (203) matched with the pump core accommodating cavity (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824087.9U CN210599232U (en) | 2019-10-28 | 2019-10-28 | Fuel pump assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824087.9U CN210599232U (en) | 2019-10-28 | 2019-10-28 | Fuel pump assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599232U true CN210599232U (en) | 2020-05-22 |
Family
ID=70712811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921824087.9U Expired - Fee Related CN210599232U (en) | 2019-10-28 | 2019-10-28 | Fuel pump assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599232U (en) |
-
2019
- 2019-10-28 CN CN201921824087.9U patent/CN210599232U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2459863B1 (en) | Fuel supply system for an internal combustion engine | |
| WO2001080928A3 (en) | Fluid delivery systems, injector systems and methods of fluid delivery | |
| WO2006036854A3 (en) | Multiple pump fuel delivery system | |
| WO2005111404A3 (en) | Fuel system | |
| CN210599232U (en) | Fuel pump assembly structure | |
| CN109252993B (en) | Gradient self-adaptive diesel engine oil supply system | |
| US20150059705A1 (en) | Fuel pump module and method of manufacturing the same | |
| EP1001159A3 (en) | In-tank fuel delivery system for marine vessels | |
| CN211624808U (en) | Lubricating oil quantitative filling device | |
| CN211370593U (en) | Electric pump diesel filter | |
| WO2006017626A3 (en) | Fuel injector with a deep-drawn thin shell connector member and method of connecting components | |
| EP3526465B1 (en) | Fuel pressure regulator and fuel filter assembly | |
| CN210239891U (en) | Filter for engine | |
| CN201696191U (en) | Fuel oil supply device of light-duty truck | |
| CN205315181U (en) | Integrated form diesel engine high pressure common rail fuel injection high -pressure oil pump assembly for system | |
| CN205638750U (en) | Fire oil filter with diverging device | |
| CN211008933U (en) | Fuel pipeline relief valve and car | |
| CN210660382U (en) | Fuel pump integrating siphon structure and jet structure | |
| CN109113904B (en) | Diesel oil delivery pump assembly for gradient self-adaptive system | |
| KR101173893B1 (en) | Fuel pump module | |
| CN208416903U (en) | A kind of connection structure of water pump | |
| CN211343184U (en) | Low mounting height electric fuel pump assembly | |
| CN213743774U (en) | Vehicle fuel fine filter casing | |
| CN220081567U (en) | Brushless fuel pump assembly capable of opening injection under constant pressure | |
| CN207813800U (en) | A kind of eductor for fuel oil pump assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20201028 |