CN204627966U - Electric fuel punp one-way valve - Google Patents
Electric fuel punp one-way valve Download PDFInfo
- Publication number
- CN204627966U CN204627966U CN201520231288.3U CN201520231288U CN204627966U CN 204627966 U CN204627966 U CN 204627966U CN 201520231288 U CN201520231288 U CN 201520231288U CN 204627966 U CN204627966 U CN 204627966U
- Authority
- CN
- China
- Prior art keywords
- core case
- valve core
- coupling shaft
- hemisphere spool
- way valve
- 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
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a kind of electric fuel punp one-way valve, comprise hemisphere spool, valve core case and coupling shaft, described valve core case is cylindrical, the diameter of described valve core case is less than the diameter of hemisphere spool, one end of described valve core case is fixedly connected with hemisphere spool, and the other end is fixedly connected with coupling shaft, it is characterized in that: described coupling shaft is square shaft, described hemisphere spool outer circumference is provided with ring-shaped step, and described ring-shaped step is positioned at the position near valve core case.The utility model structure is simple, reasonable in design, by the hemisphere spool of one-way valve is fixedly connected with valve core case, valve core case is fixedly connected with coupling shaft, and coupling shaft is designed to square shaft, coordinates with the square opening and prism of check valve spring seat, realize square spacing like this, avoid inner elements of check valve to rotate, thus avoid the different sound that brings because of rotation and friction.Structure is simple, and assembling easily.Hemisphere spool arranges ring-shaped step, is convenient to mounting spring like this.
Description
Technical field
The utility model relates to a kind of electric fuel punp one-way valve.
Background technique
Electric fuel punp is for the vitals in the electric control fuel oil jet system in passenger car petrol engine, passenger car oil machine, diesel engine of commercial vehicle etc., the effect of fuel pump is mainly transported to after fuel oil sucking-off from fuel tank, pressurization in fuel supply line, and certain fuel pressure is set up in fuel pressure regulator cooperation.General fuel pump comprises the pump housing and pump head component, pump head component comprises one-way valve and check valve spring seat, one-way valve comprises spheroidal spool, valve core case and coupling shaft, spring seat is provided with directional post, the coupling shaft of current one-way valve is cylindrical, the axis hole of the directional post of corresponding spring seat is also cylindrical, like this, fluid by time, one-way valve spheroidal Spool rotating, coupling shaft also and then rotates in directional post, cause rotating different sound, riding comfort reduces, simultaneously, due to spin friction, by the appearance of phenomenons such as causing follow-up one-way valve poorly sealed.
Model utility content
For existing problem, the purpose of this utility model is to provide a kind of electric fuel punp one-way valve eliminated rotation, avoid different sound.
To achieve these goals, the technical solution of the utility model is: a kind of electric fuel punp one-way valve, comprise hemisphere spool, valve core case and coupling shaft, described valve core case is cylindrical, the diameter of described valve core case is less than the diameter of hemisphere spool, one end of described valve core case is fixedly connected with hemisphere spool, the other end is fixedly connected with coupling shaft, it is characterized in that: described coupling shaft is square shaft, described hemisphere spool outer circumference is provided with ring-shaped step, and described ring-shaped step is positioned at the position near valve core case.
Adopt such scheme, corresponding electric fuel punp check valve spring seat, comprise spring seat body, described spring seat body comprises retaining ring, one of them end face of described retaining ring is evenly distributed with multiple supporting post, gap is had between described supporting post, directional post is connected with retaining ring by described supporting post, described directional post is between supporting post, and there is distance between one end of described directional post and retaining ring, the other end of described directional post extends to outside the space that supporting post surrounds, and described directional post is provided with axis hole vertically, and described axis hole is square opening.
At the inwall of pump head component one-way valve valve body corresponding retaining ring, annular groove is set, retaining ring is arranged in this annular groove, inner elements of check valve coupling shaft is also designed to corresponding with the axis hole of directional post square, and hemisphere spool and the mode taking between valve core case and coupling shaft to be fixedly connected with, like this, fluid is when passing through, would not rotate at square spacing lower unidirectional valve circle spherical valve core, abnormal sound can not be produced, simultaneously, the friction that one-way valve spheroidal Spool rotating causes can also be avoided, thus the appearance of the problems such as the poorly sealed reality caused.Directional post is connected with retaining ring by supporting post, and like this when one-way valve opens, fluid passes through from the gap between supporting post, then is gone out in fuel pipe by retaining ring center hole.The other end of directional post reaches outside the space that supporting post surrounds, and after being set with upper spring like this, one end of spring is directly against on the end face of supporting post, and the other end of spring is against on the annular table terrace outside hemisphere spool, and structure is simple, installs easily.
In such scheme: the center line of described valve core case, hemisphere spool and coupling shaft on the same line.Be convenient to processing and assembling like this.
In such scheme, described coupling shaft, hemisphere spool, valve core case and ring-shaped step are one-body molded.Be convenient to produce.
The beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, by the hemisphere spool of one-way valve is fixedly connected with valve core case, valve core case is fixedly connected with coupling shaft, and coupling shaft is designed to square shaft, coordinates with the square opening and prism of check valve spring seat, realize square spacing like this, avoid inner elements of check valve to rotate, thus avoid the different sound that brings because of rotation and friction.Structure is simple, and assembling easily.Hemisphere spool arranges ring-shaped step, is convenient to mounting spring like this.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of check valve spring seat.
Fig. 3 is the left side view of Fig. 2.
Fig. 4 is the erection drawing of one-way valve and check valve spring seat
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
As shown in figs. 1 and 4: electric fuel punp one-way valve of the present utility model is made up of parts such as hemisphere spool 1, valve core case 2, coupling shaft 3, ring-shaped steps 4,
Valve core case 2 is cylindrical, and the diameter of valve core case 2 is less than the diameter of hemisphere spool 1, and coupling shaft 3 is square shaft, and its diameter of axle is less than the diameter of valve core case 2.One end of valve core case 2 is fixedly connected with hemisphere spool 1, and the other end is fixedly connected with coupling shaft 3, and the center line of valve core case 2, hemisphere spool 1 and coupling shaft 3 on the same line.Hemisphere spool 1 is outer is circumferentially provided with ring-shaped step 4, and ring-shaped step 4 is positioned at the position near valve core case 2.Coupling shaft 3, hemisphere spool 1, valve core case 2 and ring-shaped step 4 are one-body molded.So convenient processing.
As Figure 2-3, electric fuel punp check valve spring seat comprises spring seat body, and spring seat body is made up of parts such as retaining ring 5, supporting post 6, directional post 7 and axis holes 8.
Be provided with at the inwall of one-way valve valve body the annular groove matched with retaining ring 5 near oil outlet, retaining ring 5 is contained in this annular groove.Retaining ring 5 away from the end face of oil outlet being evenly distributed with multiple supporting post 6, be preferably 3 supporting posts 6, reasonable in design like this, cost is low.Have gap between supporting post 6, fuel oil passes through from the gap between supporting post 6, then flows out from the center hole of retaining ring 5.Directional post 7 is connected with retaining ring 5 by supporting post 6, directional post 7 is arranged in the space that all supporting posts 6 surround, and there is distance between one end of directional post 7 and retaining ring 5, time concrete, this end of directional post 7 is positioned at the middle part of supporting post 6, the other end of directional post 7 extends to outside the space that supporting post 6 surrounds, specifically, the end of supporting post 6 is positioned at the middle part of the outer surface of directional post 7, like this, the end face of supporting post 6 just can directly as the attachment face of spring, and that is, spring is directly against on this end face.Directional post 7 is provided with axis hole 8 vertically, and axis hole 8 is square opening.Coupling shaft 3 stretches in this square opening and prism 8, thus realizes square spacing to one-way valve, avoid fuel oil by time one-way valve rotation, avoid consequent abnormal sound.The aperture of the center hole of retaining ring 5 is greater than the aperture of axis hole 8.Facilitate fuel-displaced like this.Retaining ring 5, supporting post 6 and directional post 7 are one-body molded.Such design processing is easier.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (3)
1. an electric fuel punp one-way valve, comprise hemisphere spool (1), valve core case (2) and coupling shaft (3), described valve core case (2) is for cylindrical, the diameter of described valve core case (2) is less than the diameter of hemisphere spool (1), one end of described valve core case (2) is fixedly connected with hemisphere spool (1), the other end is fixedly connected with coupling shaft (3), it is characterized in that: described coupling shaft (3) is square shaft, described hemisphere spool (1) is circumferentially provided with ring-shaped step (4) outward, described ring-shaped step (4) is positioned at the position near valve core case (2).
2. electric fuel punp one-way valve according to claim 1, is characterized in that: the center line of described valve core case (2), hemisphere spool (1) and coupling shaft (3) on the same line.
3. electric fuel punp one-way valve according to claim 1, is characterized in that: described coupling shaft (3), hemisphere spool (1), valve core case (2) and ring-shaped step (4) are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231288.3U CN204627966U (en) | 2015-04-16 | 2015-04-16 | Electric fuel punp one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231288.3U CN204627966U (en) | 2015-04-16 | 2015-04-16 | Electric fuel punp one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627966U true CN204627966U (en) | 2015-09-09 |
Family
ID=54047003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231288.3U Expired - Fee Related CN204627966U (en) | 2015-04-16 | 2015-04-16 | Electric fuel punp one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627966U (en) |
-
2015
- 2015-04-16 CN CN201520231288.3U patent/CN204627966U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103708012A (en) | Orientation automatic regulating system for deep-sea autonomous underwater vehicle (AUV) docking platform | |
| CN104923422A (en) | Circular rotation water outgoing apparatus | |
| CN204627825U (en) | Electric fuel punp check valve assembly | |
| CN204627966U (en) | Electric fuel punp one-way valve | |
| CN204627965U (en) | Electric fuel punp check valve spring seat | |
| CN204627815U (en) | Electric fuel punp pump case cap assembly | |
| CN104806392A (en) | Pump casing cover of automobile electric fuel pump | |
| CN104791164A (en) | One-way valve assembly for eliminating abnormal sound of automotive electric fuel pump | |
| CN206129675U (en) | Motor shaft installation limit structure | |
| CN204628047U (en) | Electric fuel pump assembly | |
| CN203686270U (en) | Improved check valve | |
| CN204628009U (en) | The electric fuel pump assembly that noise is little | |
| CN201777236U (en) | Novel ABS normally-open magnetic valve | |
| CN204346758U (en) | Liquid layered sampler | |
| CN202056138U (en) | Plate filter | |
| CN203255245U (en) | Pressure regulating device of automobile hydraulic steering system | |
| CN206364629U (en) | A kind of electric motor end cap suitable for big external diameter flange shaft | |
| CN104791285B (en) | Automobile electric fuel pump assembly | |
| CN203585782U (en) | Oil injection type axial bearing | |
| CN203707939U (en) | A servo direct current deep well pump specially used motor | |
| CN205714530U (en) | A kind of pump head lid of electric fuel punp | |
| CN104153923A (en) | Low-noise electric fuel pump assembly | |
| CN104290663A (en) | Novel automobile rearview mirror folding mechanism | |
| CN104791258A (en) | Low-noise electric fuel pump assembly capable of preventing check valve from rotating | |
| CN204692724U (en) | Mortor operated valve transmission connecting structure |
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: 20150909 |