CN203175730U - Fuel oil pump assembly - Google Patents
Fuel oil pump assembly Download PDFInfo
- Publication number
- CN203175730U CN203175730U CN 201320219105 CN201320219105U CN203175730U CN 203175730 U CN203175730 U CN 203175730U CN 201320219105 CN201320219105 CN 201320219105 CN 201320219105 U CN201320219105 U CN 201320219105U CN 203175730 U CN203175730 U CN 203175730U
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- Prior art keywords
- filter
- filter case
- oil pump
- fuel oil
- oil
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Abstract
The utility model discloses a fuel oil pump assembly. The fuel oil pump assembly comprises a bottom casing, an upper cover, an electric fuel oil pump, a filter and a guiding column, wherein the filter comprises a filter casing, a filter element and a pressure regulating valve. The filter element is in a shape of a hollow cylinder, the filter casing is matched with the filter element in shape, the filter element and an outer peripheral wall of the filter casing form an outer cavity, the filter element and an inner peripheral wall of the filter casing form an inner cavity, and the electric fuel oil pump is arranged at the central-cavity position of the filter casing. An oil inlet of the filter is arranged on the filter casing at the lower portion of the outer cavity, and an oil outlet of the filter is arranged on the filter casing at the top of the inner cavity. The pressure regulating valve is arranged on the edge of the top of the filter casing. The oil outlet is connected with a tee joint adapter. An oil delivering pipeline of the fuel oil pump assembly is simple, maintenance and dismounting of the pressure regulating valve and an oil temperature sensor are convenient, and resistance in the vertical movement process of the upper cover is small.
Description
Technical field
The utility model relates to a kind of fuel oil pump assembly.
Background technique
Fuel oil pump assembly is one of fundamental composition of electro jet car fuel injection system, and its effect is being transported in the fuel supply line after fuel oil sucking-off from fuel tank, the pressurization and fuel pressure regulator cooperates and to set up certain fuel pressure.It generally comprises drain pan, loam cake, fuel pump, filter cleaner, directional post and oil temperature sensor.
Wherein, filter cleaner is deleterious particle and the moisture in the filtering engine fuel gas system, with protection oil pump nozzle, cylinder sleeve, piston ring etc., reduces wear, and avoids the device that stops up.Structure such as the name of existing filter cleaner are called " filter cleaner ", and notice of authorization day is " 2002.11.27 ", and notice of authorization number is shown in the Chinese invention patent of " CN 1094776 ".It comprises housing, filter core and pressure regulator valve, the cross section of described housing and filter core is to be " C " shape, described housing arranges a filler opening and two oil outlets, all sides in described filler opening is located on the housing, described two oil outlets all are located at the below of housing, first oil outlet is connected with sparger by pipeline, and second oil outlet is connected with pressure regulator valve by pipeline, and described pressure regulator valve also is located at the below of housing.There is following problem in this structure:
(1) oil outlet is located at lower housing portion, is needed to cause the filter cleaner top by pipeline earlier by the fuel oil of filtering, be supplied to sparger by discharge pipe again, make the various complexity of pipeline;
(2) pressure regulator valve is arranged at the housing below, has increased the height of filter cleaner integral body, brought inconvenience also for the maintenance dismounting of pressure regulator valve.
In addition, existing directional post generally only is provided with a conical surface, makes that resistance is bigger in the process that loam cake moves up and down.Existing oil temperature sensor is packaged in the housing, and dismounting easily makes troubles for replacing and maintenance.
Summary of the invention
It is simple that the technical problems to be solved in the utility model provides a kind of pipeline road, and maintenance dismounting pressure regulator valve and oil temperature sensor are convenient, the less fuel oil pump assembly of resistance in the process that loam cake moves up and down.
In order to solve the problems of the technologies described above, fuel oil pump assembly of the present utility model comprises drain pan, loam cake, fuel pump, filter cleaner and directional post, described fuel pump and filter cleaner are located in the drain pan, described directional post one end is fixedlyed connected with loam cake, the other end and filter cleaner flexibly connect, and are arranged with spring on the described directional post; Described filter cleaner comprises filter case, filter core and pressure regulator valve, and described filter case is provided with filler opening and oil outlet; The filter core of described filter cleaner is hollow cylindrical, the shape of described filter case and the shape of filter core adapt, described filter core and filter case periphery wall form exocoel, described filter core and filter case inner circle wall form inner chamber, and described electric fuel punp is located at the center cavity place of filter case; The filler opening of described filter cleaner is located on the filter case of described exocoel bottom, and the oil outlet of described electric fuel punp links to each other with the filler opening of filter cleaner by pipeline; The oil outlet of described filter cleaner is located on the filter case of described interior top of chamber; Described pressure regulator valve is located at the filter case top; Be connected with the threeway conversion adapter on the described oil outlet, two other interface of described threeway conversion adapter respectively by pipeline and pressure regulator valve with on cover setting oil nozzle link to each other.The benefit of pressure regulator valve being located at the filter case top is convenient for maintaining and dismounting.
As preferably, the upper outer edges of described filter case is provided with buckle, described buckle comprises the guide pipe on top and the button pawl of bottom, upper end and the guide pipe of described button pawl are fixed, but the lower end pressurized outwards is offset, the lower end of described button pawl forms spacing hole, described button pawl not during pressurized the internal diameter of spacing hole less than the internal diameter of guide pipe; The bottom of described directional post is provided with first conical surface section and second conical surface section from top to bottom, the tapering of described first conical surface section is less than the tapering of second conical surface section, boss is located in the lower end of described second conical surface section, and the external diameter of described boss is greater than the button pawl internal diameter of spacing hole and less than the internal diameter of guide pipe during pressurized not; The bottom of described directional post inserts in the buckle and can slide up and down.The design of first conical surface section, make directional post in bayonet socket, slide up and down in resistance force diminishes.
As preferably, also comprise oil temperature sensor, described oil temperature sensor is fixed in the outer side wall of drain pan bottom by fixing rack for sensor and sensor housing; Described fixing rack for sensor comprises the sensor stand of bottom and the connecting plate on top, described connecting plate is provided be used to the through hole that passes sensor line, described connecting plate outward edge is provided with buckle, and the madial wall of described sensor housing upper end is provided with the draw-in groove that matches with buckle; The outer wall of described sensor housing is provided with groove, and described drain pan bottom is provided with the depression that can hold sensor housing, and the sidewall of described depression is provided with the projection that matches with groove.The benefit of this means of fixation is convenient for maintaining and dismounting oil temperature sensor.
As preferably, the bottom of described filter case is provided with groove with the top in the position corresponding with the filter core end face, is provided with seal ring in the described groove, and the end face of described filter core closely contacts applying with seal ring.This sealing means is simple in structure, good sealing effect between the interior exocoel.
Fuel oil pump assembly pipeline road of the present utility model is simple, and maintenance dismounting pressure regulator valve and oil temperature sensor are convenient, and resistance is less in the process that loam cake moves up and down.
Description of drawings
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the structural representation of filter cleaner among Fig. 1;
Fig. 3 is A shown in Figure 2 portion enlarged diagram;
Fig. 4 is B shown in Figure 2 portion enlarged diagram;
Fig. 5 is the plan view of Fig. 2;
Fig. 6 is the structural representation of directional post and buckle among Fig. 1;
Fig. 7 is the structural representation that the utility model embodiment medi-spring is in compressive state;
Fig. 8 is the structural representation of oil temperature sensor means of fixation among the utility model embodiment.
Description of reference numerals: 1-oil nozzle 2-upper cover 3-spring 4-drain pan 5-atomizer 6-cleaner 61-filter core 62-oil-out 63-pressure-regulating valve 64-filter case 65-oil-in 66-seal 7-lead 71-first conical surface 72-the second conical surface 73-boss 74-buckles pawl 75-guide pipe 8-electric fuel punp 9-oil temperature sensor 91-sensor stand 92-sensor housing 93-depression 94-connecting plate 95-groove 96-projection.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Embodiment
Fuel oil pump assembly, as Fig. 1, Fig. 8 and shown in Figure 9, comprise drain pan 4, loam cake 2, electric fuel punp 8, filter cleaner 6, directional post 7 and oil temperature sensor 9, directional post 7 one ends are fixedlyed connected with loam cake 2, the other end and filter cleaner flexibly connect, and are arranged with spring 3 on the described directional post 7.
As shown in Figure 3, described filter cleaner 6 comprises filter case 64, filter core 61 and pressure regulator valve 63, and described filter case 64 is provided with filler opening 65 and oil outlet 62; The filter core 61 of described filter cleaner 6 is hollow cylindrical, the shape of the shape of described filter case 64 and filter core 61 adapts, described filter core 61 forms exocoel with filter case 64 periphery walls, described filter core 61 forms inner chamber with filter case 64 inner circle walls, and described electric fuel punp 8 is located at the hollow position of filter case 64; The filler opening 65 of described filter cleaner 6 is located on the filter case 64 of described exocoel bottom, and the oil outlet of described electric fuel punp 8 links to each other with the filler opening 65 of filter cleaner 6 by pipeline; The oil outlet 62 of described filter cleaner 6 is located on the filter case 64 of described interior top of chamber; Described pressure regulator valve 63 is located at filter case 64 top; Be connected with the threeway conversion adapter on the described oil outlet 62, two other interface of described threeway conversion adapter links to each other by the oil nozzle 1 that arranges on pipeline and pressure regulator valve 63 and the loam cake 2 respectively, and described oil nozzle 1 is connected the oil-fired system of motor by pipeline.
The effect of filter cleaner 6 is deleterious particle and the moisture in the filtering engine fuel oil system, with protection oil pump nozzle, cylinder sleeve, piston ring etc., reduces wear, and avoids stopping up.Under the effect of electric fuel punp 8, unfiltered fuel oil at first enters the exocoel of filter core 61 and the formation of filter case 64 periphery walls by filler opening 65, then fuel oil passes the filtering medium of filter core, through filtering the inner chamber that later fuel oil just enters filter core 61 and the formation of filter case 64 inner circle walls.Be delivered to the oil-fired system of motor through the fuel oil that filters by oil outlet tube, this moment, the charge oil pressure of oil-fired system was controlled by the pressure regulator valve 63 that is connected with oil outlet 62.Pressure regulator valve 63 also is connected with oil nozzle 5 by pipeline, and when charge oil pressure exceeded the needed pressure of oil-fired system, pressure regulator valve 63 will be sprayed on unnecessary fuel oil in the drain pan 4 by oil nozzle 5.
As Fig. 4, shown in Figure 5, the bottom of described filter case 64 is provided with groove with the top in the position corresponding with filter core 61 end faces, is provided with Sealing 66 in the described groove, and the end face of described filter core 61 closely contacts applying with Sealing 66.
As Fig. 1 and shown in Figure 7, the upper outer edges of described filter case 64 is provided with buckle, described buckle comprises the guide pipe on top and the button pawl of bottom, upper end and the guide pipe of described button pawl are fixed, but the lower end pressurized outwards is offset, the lower end of described button pawl forms spacing hole, described button pawl not during pressurized the internal diameter of spacing hole less than the internal diameter of guide pipe; The bottom of described directional post 7 is provided with 72 sections of 71 sections of first conical surfaces and second conical surfaces from top to bottom, the tapering that described first conical surface is 71 sections is less than the tapering of second conical surface section 72, the lower end that described second conical surface is 72 sections is provided with boss, and the external diameter of described boss is greater than the button pawl internal diameter of spacing hole and less than the internal diameter of guide pipe during pressurized not; The bottom of described directional post 7 inserts in the buckle and can slide up and down.
As Fig. 8 and shown in Figure 9, also comprise oil temperature sensor 9, described oil temperature sensor 9 is fixed in the outer side wall of drain pan bottom by fixing rack for sensor 91 and sensor housing 92; Described fixing rack for sensor 91 comprises the sensor stand of bottom and the connecting plate on top, described connecting plate is provided be used to the through hole that passes sensor line, described connecting plate outward edge is provided with buckle, and the madial wall of described sensor housing 92 upper ends is provided with the draw-in groove that matches with buckle; The outer wall of described sensor housing 92 is provided with groove, and described drain pan 4 bottoms are provided with the depression that can hold sensor housing 92, and the sidewall of described depression is provided with the projection that matches with groove.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. fuel oil pump assembly, comprise drain pan (4), loam cake (2), electric fuel punp (8), filter cleaner (6) and directional post (7), described electric fuel punp (8) and filter cleaner (6) are located in the drain pan (4), described directional post (7) one ends are fixedlyed connected with loam cake (2), the other end and filter cleaner flexibly connect, and are arranged with spring (3) on the described directional post (7); Described filter cleaner (6) comprises filter case (64), filter core (61) and pressure regulator valve (63), described filter core (61) is located in the filter case (64), described filter case (64) is provided with filler opening (65) and oil outlet (62), it is characterized in that: the filter core (61) of described filter cleaner (6) is hollow cylindrical, the shape of the shape of described filter case (64) and filter core (61) adapts, described filter core (61) forms exocoel with filter case (64) periphery wall, described filter core (61) forms inner chamber with filter case (64) inner circle wall, and described electric fuel punp (8) is located at the center cavity place of filter case (64); The filler opening (65) of described filter cleaner (6) is located on the filter case (64) of described exocoel bottom, and the oil outlet of described electric fuel punp (8) links to each other with the filler opening (65) of filter cleaner (6) by pipeline; The oil outlet (62) of described filter cleaner (6) is located on the filter case (64) of described interior top of chamber; Described pressure regulator valve (63) is located at filter case (64) top; Described oil outlet is connected with the threeway conversion adapter on (62), and two other interface of described threeway conversion adapter is gone up the oil nozzle (1) that arranges by pipeline with pressure regulator valve (63) and loam cake (2) respectively and linked to each other.
2. according to the described fuel oil pump assembly of claim 1, it is characterized in that: the upper outer edges of described filter case (64) is provided with buckle, described buckle comprises the guide pipe (75) on top and the button pawl (74) of bottom, the upper end of described button pawl (74) and guide pipe (75) are fixing, but the lower end pressurized outwards is offset, the lower end of described button pawl (74) forms spacing hole, described button pawl (74) not during pressurized the internal diameter of spacing hole less than the internal diameter of guide pipe (75); The bottom of described directional post (7) is provided with first conical surface (71) section and second conical surface (72) section from top to bottom, the tapering of described first conical surface (71) section is less than the tapering of second conical surface section (72), the lower end of described second conical surface (72) section is provided with boss (73), and the external diameter of described boss (73) is greater than button pawl (74) internal diameter of spacing hole and less than the internal diameter of guide pipe (75) during pressurized not; The bottom of described directional post (7) inserts in the buckle and can slide up and down.
3. according to claim 1 or 2 described fuel oil pump assemblies, it is characterized in that: also comprise oil temperature sensor (9), described oil temperature sensor (9) is fixed in the outer side wall of drain pan bottom by fixing rack for sensor and sensor housing (92); Described fixing rack for sensor comprises the sensor stand (91) of bottom and the connecting plate (94) on top, described connecting plate is provided be used to the through hole that passes sensor line, described connecting plate outward edge is provided with draw-in groove, and the madial wall of described sensor housing (92) upper end is provided with the buckle that matches with draw-in groove; The outer wall of described sensor housing (92) is provided with groove (95), and described drain pan (4) bottom is provided with the depression (93) that can hold sensor housing (92), and the sidewall of described depression (93) is provided with the projection (96) that matches with groove (95).
4. according to claim 1 or 2 described fuel oil pump assemblies, it is characterized in that: the bottom of described filter case (64) is provided with groove with the top in the position corresponding with filter core (61) end face, be provided with Sealing (66) in the described groove, the end face of described filter core (61) closely contacts applying with Sealing (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219105 CN203175730U (en) | 2013-04-26 | 2013-04-26 | Fuel oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219105 CN203175730U (en) | 2013-04-26 | 2013-04-26 | Fuel oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175730U true CN203175730U (en) | 2013-09-04 |
Family
ID=49072438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219105 Expired - Fee Related CN203175730U (en) | 2013-04-26 | 2013-04-26 | Fuel oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649840A (en) * | 2015-12-30 | 2016-06-08 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
-
2013
- 2013-04-26 CN CN 201320219105 patent/CN203175730U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649840A (en) * | 2015-12-30 | 2016-06-08 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
| CN105649840B (en) * | 2015-12-30 | 2018-03-06 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
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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: 20130904 Termination date: 20210426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |