CN204591550U - Automobile fuel pump - Google Patents
Automobile fuel pump Download PDFInfo
- Publication number
- CN204591550U CN204591550U CN201520281760.4U CN201520281760U CN204591550U CN 204591550 U CN204591550 U CN 204591550U CN 201520281760 U CN201520281760 U CN 201520281760U CN 204591550 U CN204591550 U CN 204591550U
- Authority
- CN
- China
- Prior art keywords
- valve
- fuel pump
- shell
- positioning seat
- valve body
- 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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- Check Valves (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a kind of automobile fuel pump, 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, described pressure valve includes valve body, valve pocket and the oil inlet passage with valve pocket conducting is provided with in valve body, drainback passage, positioning seat is provided with in described valve pocket, described drainback passage is connected with described return tube conducting, described positioning seat is made up of elastic metallic material, described positioning seat is provided with the extending end extended in drainback passage, described extending end is arranged with the first seal ring, described first seal ring and the suitable setting of described drainback passage inwall.Technical solutions of the utility model, have the effect that structure is simple, cost is lower.
Description
Technical field
The utility model relates to a kind of automobile fuel pump.
Background technique
Traditional automobile fuel pump, generally 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, described pressure valve includes valve body, valve pocket and the oil inlet passage with valve pocket conducting is provided with in valve body, drainback passage, positioning seat is provided with in described valve pocket, described drainback passage is connected with described return tube conducting, there is complex structure in its pressure valve, the shortcoming that cost is higher.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide the automobile fuel pump that a kind of structure is simple, cost is lower.
For achieving the above object, the utility model provides following technological scheme: a kind of automobile fuel pump, 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, described pressure valve includes valve body, valve pocket and the oil inlet passage with valve pocket conducting is provided with in valve body, drainback passage, positioning seat is provided with in described valve pocket, described drainback passage is connected with described return tube conducting, it is characterized in that: described positioning seat is made up of elastic metallic material, described positioning seat is provided with the extending end extended in drainback passage, described extending end is arranged with the first seal ring, described first seal ring and the suitable setting of described drainback passage inwall.
By adopting technique scheme, because positioning seat is made up of elastic metallic material, extending end is coordinated with the first seal ring act on drainback passage and play the effect of spool, eliminate traditional spool and Returnning spring, thus simplify the structure, reduce cost of production.
The utility model is arranged further: the other end of described positioning seat opposite extended ends is provided with connecting base, described connecting base and described positioning seat are in being wholely set, collar flange is provided with between described connecting base and positioning seat, valve button is arranged with outside described valve body, described valve button is fixedly connected with the outer wall of described valve body, described valve button is provided with to projecting inward convex wall, between the convex wall that described collar flange is folded in described valve button and described valve body.
By adopting technique scheme, what it is such that positioning seat can be firm fixes with valve body, and the installation of connecting base and fitting seat is also convenient.
The utility model is arranged further: described drainback passage comprises the oil return main passage and oil return subchannel that are conducted, the extending end of described positioning seat is as in described oil return main passage, described oil inlet passage and described oil return main passage are vertical setting, and described oil return subchannel is obliquely installed to valve body corresponding positioning seat direction one extreme direction.
By adopting technique scheme, convenient when pressure valve is connected with the return tube of automobile fuel pump.
The utility model is arranged further: the outer wall of described valve body is provided with circular step, and described step place is arranged with the second seal ring.
By adopting technique scheme, because oil return subchannel is obliquely installed to valve body corresponding positioning seat direction one extreme direction, make the outer wall of valve body that the circular step of sheathed second seal ring can be set, when valve body and fitting seat assemble, better sealing effect can be played.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model example structure figure;
Fig. 2 is pressure valve example structure figure of the present utility model.
Embodiment
See accompanying drawing 1 and accompanying drawing 2, automobile fuel pump disclosed in the utility model, 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, described pressure valve 3 includes valve body 31, valve pocket 3101 and the oil inlet passage 3102 with valve pocket 3101 conducting is provided with in valve body 31, drainback passage 3103, positioning seat 32 is provided with in described valve pocket 3101, described positioning seat 32 is made up of elastic metallic material, described positioning seat 32 is provided with the extending end 3201 extended in drainback passage 3103, described extending end 3201 is arranged with the first seal ring 33, described first seal ring 33 and the suitable setting of described drainback passage 3103 inwall.By adopting technique scheme, because positioning seat 32 is made up of elastic metallic material, extending end 3201 is coordinated with the first seal ring 33 act on drainback passage 3103 and play the effect of spool, eliminate traditional spool and Returnning spring, thus simplify the structure, reduce cost of production.
The utility model is arranged further: the other end of described positioning seat 32 opposite extended ends 3201 is provided with connecting base 3202, described connecting base 3202 and described positioning seat 32 are in being wholely set, collar flange 3203 is provided with between described connecting base 3202 and positioning seat 32, valve button 34 is arranged with outside described valve body 31, described valve button 34 is fixedly connected with the outer wall of described valve body 31, described valve button 34 is provided with to projecting inward convex wall 3401, between the convex wall 3401 that described collar flange 3203 is folded in described valve button 34 and described valve body 31.By adopting technique scheme, what it is such that positioning seat 32 can be firm fixes with valve body 31, and connecting base 202 is also convenient with the installation of fitting seat 2.
The utility model is arranged further: described drainback passage 3103 comprises the oil return main passage 31031 and oil return subchannel 31032 that are conducted, the extending end 3201 of described positioning seat 32 is as in described oil return main passage 31031, described oil inlet passage 3102 is vertical setting with described oil return main passage 31031, and described oil return subchannel 31032 is obliquely installed to valve body 31 corresponding positioning seat 32 direction one extreme direction.By adopting technique scheme, convenient when oil return subchannel 31032 is connected with the return tube 8 of automobile fuel pump.
The utility model is arranged further: the outer wall of described valve body 31 is provided with circular step, and described step place is arranged with the second seal ring 35.By adopting technique scheme, because oil return subchannel is obliquely installed to valve body 31 corresponding positioning seat 32 direction one extreme direction, make the outer wall of valve body 31 that the circular step of sheathed second seal ring 35 can be set, when valve body 31 and fitting seat 2 assemble, better sealing effect can be played.
Claims (4)
1. an automobile fuel pump, 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, described pressure valve includes valve body, valve pocket and the oil inlet passage with valve pocket conducting is provided with in valve body, drainback passage, positioning seat is provided with in described valve pocket, described drainback passage is connected with described return tube conducting, it is characterized in that: described positioning seat is made up of elastic metallic material, described positioning seat is provided with the extending end extended in drainback passage, described extending end is arranged with the first seal ring, described first seal ring and the suitable setting of described drainback passage inwall.
2. automobile fuel pump according to claim 1, it is characterized in that: the other end of described positioning seat opposite extended ends is provided with connecting base, described connecting base and described positioning seat are in being wholely set, collar flange is provided with between described connecting base and positioning seat, valve button is arranged with outside described valve body, described valve button is fixedly connected with the outer wall of described valve body, and described valve button is provided with to projecting inward convex wall, between the convex wall that described collar flange is folded in described valve button and described valve body.
3. automobile fuel pump according to claim 2, it is characterized in that: described drainback passage comprises the oil return main passage and oil return subchannel that are conducted, the extending end of described positioning seat is as in described oil return main passage, described oil inlet passage and described oil return main passage are vertical setting, and described oil return subchannel is obliquely installed to valve body corresponding positioning seat direction one extreme direction.
4. automobile fuel pump according to claim 3, is characterized in that: the outer wall of described valve body is provided with circular step, and described step place is arranged with the second seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281760.4U CN204591550U (en) | 2015-05-04 | 2015-05-04 | Automobile fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281760.4U CN204591550U (en) | 2015-05-04 | 2015-05-04 | Automobile fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591550U true CN204591550U (en) | 2015-08-26 |
Family
ID=53927711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281760.4U Expired - Fee Related CN204591550U (en) | 2015-05-04 | 2015-05-04 | Automobile fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591550U (en) |
-
2015
- 2015-05-04 CN CN201520281760.4U patent/CN204591550U/en not_active Expired - Fee Related
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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: 20150826 Termination date: 20180504 |