CN204239110U - A kind of fuel oil pump assembly - Google Patents
A kind of fuel oil pump assembly Download PDFInfo
- Publication number
- CN204239110U CN204239110U CN201420691777.2U CN201420691777U CN204239110U CN 204239110 U CN204239110 U CN 204239110U CN 201420691777 U CN201420691777 U CN 201420691777U CN 204239110 U CN204239110 U CN 204239110U
- Authority
- CN
- China
- Prior art keywords
- fuel pump
- shell
- upper cover
- positioning
- positioning rod
- 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
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- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a kind of fuel oil pump assembly, include shell, fitting seat, pressure valve, fuel pump is provided with in described shell, shell is provided with oil outlet tube, oil outlet tube is connected with the outlet end of fuel pump, fitting seat is arranged on shell through strut, also one-way valve is provided with in shell, one-way valve is connected with the entry end of fuel pump, pressure valve is provided with return tube, return tube is connected with shell, shell includes housing, upper cover, described housing is connected with upper cover latch, described upper cover lower end surface is welded with positioning rod, described positioning rod lower end is plugged in fuel pump, the lower end of positioning rod is provided with limiting stopper, be positioned on the positioning rod outside fuel pump and be arranged with stop nut, stop nut and fuel pump are conflicted and are formed being fixedly connected with of fuel pump and upper cover.Adopt technique scheme, the utility model provides a kind of fuel oil pump assembly, and it makes the easy for installation of fuel pump, and structure is simple, positioning stablity, and, reduce cost of production.
Description
Technical field
The utility model relates to auto parts machinery field, particularly a kind of fuel oil pump assembly.
Background technique
Existing fuel oil pump assembly, include shell, fitting seat, pressure valve, fuel pump is provided with in described shell, shell is provided with oil outlet tube, oil outlet tube is connected with the outlet end of fuel pump, fitting seat is arranged on shell through strut, is also provided with one-way valve in shell, and one-way valve is connected with the entry end of fuel pump, pressure valve is provided with return tube, return tube is connected with shell, and existing fuel pump is fixing in the enclosure by support, but, this supporting structure is complicated, add and easily produce distortion man-hour, reject rate is high, adds cost.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of fuel oil pump assembly, and it makes the easy for installation of fuel pump, structure is simple, positioning stablity, and, reduce cost of production.
The technical solution of the utility model: a kind of fuel oil pump assembly, include shell, fitting seat, pressure valve, fuel pump is provided with in described shell, shell is provided with oil outlet tube, oil outlet tube is connected with the outlet end of fuel pump, fitting seat is arranged on shell through strut, also one-way valve is provided with in shell, one-way valve is connected with the entry end of fuel pump, pressure valve is provided with return tube, return tube is connected with shell, it is characterized in that: described shell includes housing, upper cover, described housing is connected with upper cover latch, described upper cover lower end surface is welded with positioning rod, described positioning rod lower end is plugged in fuel pump, the lower end of positioning rod is provided with limiting stopper, be positioned on the positioning rod outside fuel pump and be arranged with stop nut, stop nut and fuel pump are conflicted and are formed being fixedly connected with of fuel pump and upper cover.
Adopt technique scheme, housing is connected with upper cover latch can conveniently install the component such as internal fuel pump, one-way valve, by the limiting stopper on positioning rod, stop nut, fuel pump and upper cover are fixed, make the easy for installation of fuel pump, structure is simple, positioning stablity, and, reduce cost of production.
Further setting of the present utility model: described housing upper end is provided with locating slot, described upper cover lower end is provided with positioning block, and described positioning block is fastened on formation housing in locating slot and is connected with the buckle of upper cover.
Adopt above-mentioned further setting, the buckle Placement of this housing and upper cover, structure is simple, easy for installation.
Setting further more of the present utility model: described positioning rod is provided with two, described upper cover lower end surface is positioned at outside two positioning rods and is respectively equipped with stiffening plate, and described stiffening plate and positioning rod outer wall are conflicted.
Adopt and above-mentionedly to arrange further again, by the stiffening plate arranged, can prevent positioning rod from producing distortion, make positioning rod more firm, and then ensure fuel pump positioning stablity.
Further setting more of the present utility model: described fuel pump and one-way valve link position are provided with filter screen.
Adopt and above-mentionedly further to arrange again, the filter screen of setting, can prevent impurity from entering in fuel pump, affect the service behaviour of fuel pump, thus extend the working life of fuel pump.
Further setting more of the present utility model: described pressure valve includes valve body, valve pocket and filler opening, return opening with valve pocket conducting is provided with in valve body, spool, positioning seat is provided with in described valve pocket, spool extends in return opening, seal between spool and return opening inwall and arrange, be provided with Returnning spring between spool and positioning seat, described positioning seat is provided with fixture block, valve body is provided with bayonet socket, and described fixture block is fastened in bayonet socket and forms being fixedly connected with of positioning seat and valve body.
Adopt and above-mentionedly further to arrange again, this pressure valve structure is simple, and stable work in work, by being stuck in by the fixture block of positioning seat in the bayonet socket on valve body, make positioning seat easy for installation, structure is simple.
Further setting more of the present utility model: the outside of described strut is arranged with protection spring.
Adopt and above-mentionedly further to arrange again, the protection spring of setting, can well protect strut, prevents strut from rupturing, bending.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is I part partial enlarged drawing in Fig. 1;
Fig. 3 is pressure valve structural representation in the utility model specific embodiment.
Embodiment
As Fig. 1, shown in 2, a kind of fuel oil pump assembly, include shell 1, fitting seat 2, pressure valve 3, fuel pump 4 is provided with in described shell 1, shell 1 is provided with oil outlet tube 5, oil outlet tube 5 is connected with the outlet end of fuel pump 4, fitting seat 2 is arranged on shell 1 through strut 6, one-way valve 7 is also provided with in shell 1, one-way valve 7 is connected with the entry end of fuel pump 4, pressure valve 3 is provided with return tube 8, return tube 8 is connected with shell 1, shell 1 includes housing 11, upper cover 12, described housing 11 is connected with upper cover 12 buckle, described upper cover 12 lower end surface is welded with positioning rod 13, described positioning rod 13 lower end is plugged in fuel pump 4, the lower end of positioning rod 13 is provided with limiting stopper 14, be positioned on the positioning rod 13 outside fuel pump 4 and be arranged with stop nut 15, stop nut 15 and fuel pump 4 are conflicted and are formed being fixedly connected with of fuel pump 4 and upper cover 12.Housing 11 is connected with upper cover 12 buckle conveniently can install the component such as internal fuel pump 4, one-way valve 7, by the limiting stopper 14 on positioning rod 13, stop nut 15, fuel pump 4 and upper cover 12 are fixed, make the easy for installation of fuel pump 4, structure is simple, positioning stablity, and, reduce cost of production.
In the utility model specific embodiment, described housing 11 upper end is provided with locating slot 111, and described upper cover 12 lower end is provided with positioning block 121, and described positioning block 121 is fastened on formation housing 11 in locating slot 111 and is connected with the buckle of upper cover 12.The buckle Placement of this housing 11 and upper cover 12, structure is simple, easy for installation.
In the utility model specific embodiment, described positioning rod 13 is provided with two, described upper cover 12 lower end surface is positioned at outside two positioning rods 13 and is respectively equipped with stiffening plate 16, and described stiffening plate 16 is conflicted with positioning rod 13 outer wall.By the stiffening plate 16 arranged, can prevent positioning rod 13 from producing distortion, make positioning rod 13 more firm, and then ensure fuel pump 4 positioning stablity.
In the utility model specific embodiment, described fuel pump 4 is provided with filter screen 9 with one-way valve 7 link position.The filter screen 9 arranged, can prevent impurity from entering in fuel pump 4, affect the service behaviour of fuel pump 4, thus extend the working life of fuel pump 4.
As shown in Figure 3, in the utility model specific embodiment, described pressure valve 3 includes valve body 31, valve pocket 311 and the filler opening 312 with valve pocket 311 conducting is provided with in valve body 31, return opening 313, spool 32 is provided with in described valve pocket 311, positioning seat 33, spool 32 extends in return opening 313, seal between spool 311 and return opening 313 inwall and arrange, Returnning spring 34 is provided with between spool 32 and positioning seat 33, described positioning seat 33 is provided with fixture block 331, valve body 31 is provided with bayonet socket 314, described fixture block 331 is fastened in bayonet socket 314 and forms being fixedly connected with of positioning seat 33 and valve body 31.This pressure valve 3 structure is simple, and stable work in work, by being stuck in by the fixture block 331 of positioning seat 33 in the bayonet socket 314 on valve body 31, make positioning seat 33 easy for installation, structure is simple.
In the utility model specific embodiment, the outside of described strut 6 is arranged with protection spring 10, and the protection spring 10 of setting, can well protect strut 6, prevents strut 6 from rupturing, bends.
Claims (6)
1. a fuel oil pump assembly, include shell, fitting seat, pressure valve, fuel pump is provided with in described shell, shell is provided with oil outlet tube, oil outlet tube is connected with the outlet end of fuel pump, fitting seat is arranged on shell through strut, also one-way valve is provided with in shell, one-way valve is connected with the entry end of fuel pump, pressure valve is provided with return tube, return tube is connected with shell, it is characterized in that: described shell includes housing, upper cover, described housing is connected with upper cover latch, described upper cover lower end surface is welded with positioning rod, described positioning rod lower end is plugged in fuel pump, the lower end of positioning rod is provided with limiting stopper, be positioned on the positioning rod outside fuel pump and be arranged with stop nut, stop nut and fuel pump are conflicted and are formed being fixedly connected with of fuel pump and upper cover.
2. fuel oil pump assembly according to claim 1, is characterized in that: described housing upper end is provided with locating slot, and described upper cover lower end is provided with positioning block, and described positioning block is fastened on formation housing in locating slot and is connected with the buckle of upper cover.
3. fuel oil pump assembly according to claim 1 and 2, is characterized in that: described positioning rod is provided with two, described upper cover lower end surface is positioned at outside two positioning rods and is respectively equipped with stiffening plate, and described stiffening plate and positioning rod outer wall are conflicted.
4. fuel oil pump assembly according to claim 3, is characterized in that: described fuel pump and one-way valve link position are provided with filter screen.
5. the fuel oil pump assembly according to claim 1 or 2 or 4, it is characterized in that: described pressure valve includes valve body, valve pocket and filler opening, return opening with valve pocket conducting is provided with in valve body, spool, positioning seat is provided with in described valve pocket, spool extends in return opening, seal between spool and return opening inwall and arrange, Returnning spring is provided with between spool and positioning seat, described positioning seat is provided with fixture block, valve body is provided with bayonet socket, and described fixture block is fastened in bayonet socket and forms being fixedly connected with of positioning seat and valve body.
6. fuel oil pump assembly according to claim 5, is characterized in that: the outside of described strut is arranged with protection spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691777.2U CN204239110U (en) | 2014-11-18 | 2014-11-18 | A kind of fuel oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691777.2U CN204239110U (en) | 2014-11-18 | 2014-11-18 | A kind of fuel oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239110U true CN204239110U (en) | 2015-04-01 |
Family
ID=52768618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420691777.2U Expired - Fee Related CN204239110U (en) | 2014-11-18 | 2014-11-18 | A kind of fuel oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757249A (en) * | 2018-04-18 | 2018-11-06 | 宁波洛卡特汽车零部件有限公司 | A kind of safe small-sized external fuel oil pump |
-
2014
- 2014-11-18 CN CN201420691777.2U patent/CN204239110U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757249A (en) * | 2018-04-18 | 2018-11-06 | 宁波洛卡特汽车零部件有限公司 | A kind of safe small-sized external fuel oil pump |
| WO2019200661A1 (en) * | 2018-04-18 | 2019-10-24 | 宁波洛卡特汽车零部件有限公司 | Safe small external fuel pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20181118 |