CN206221117U - Fuel oil pump packing structure and cart - Google Patents
Fuel oil pump packing structure and cart Download PDFInfo
- Publication number
- CN206221117U CN206221117U CN201621290003.4U CN201621290003U CN206221117U CN 206221117 U CN206221117 U CN 206221117U CN 201621290003 U CN201621290003 U CN 201621290003U CN 206221117 U CN206221117 U CN 206221117U
- Authority
- CN
- China
- Prior art keywords
- ring
- otch
- oil pump
- fuel
- mounting groove
- 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.)
- Active
Links
Abstract
The utility model is related to a kind of fuel oil pump packing structure and cart, fuel oil pump packing structure includes dust ring, sealing ring and the fuel pump at fuel tank installing port, the periphery of fuel pump is provided with the boss coordinated with fuel tank, the end face of boss is provided with back-up ring and forms the first mounting groove in the inner side of the back-up ring, the second mounting groove is formed in the outside of back-up ring, inner side offers the first otch on back-up ring, outer side offers the second otch, first otch is oppositely arranged with the second otch, internal projection is provided with the inside of the dust ring, outer lug is provided with the outside of sealing ring, sealing ring is in the first mounting groove, and the outer lug is embedded in first otch, dust ring is in the second mounting groove, and the internal projection is embedded in second otch.First otch is oppositely arranged with the second otch, and the first otch and the second otch are quickly found out when sealing ring is installed with dust ring, and mould simplifies, cost reduction.
Description
Technical field
The utility model is related to vehicle Sealing Technology, more particularly to a kind of fuel oil pump packing structure and cart.
Background technology
Fuel pump needs to take seal approach with the link position of fuel tank.It is general to use between fuel pump and fuel tank
Inner seal ring and exterior seal ring are set, but the assembling positioning of traditional inner seal ring with exterior seal ring is led using being staggered
Cause many with the assembling point that inner seal ring and exterior seal ring coordinate on fuel pump, fuel pump mould structure is complicated, and inner seal ring with
Exterior seal ring assembling is cumbersome.
The content of the invention
Based on this, it is necessary to for the defect of prior art, there is provided a kind of fuel oil pump packing structure and cart, can be effective
Simplify fuel pump mould, and simplify assembly technology.
Its technical scheme is as follows：
A kind of fuel oil pump packing structure, including dust ring, sealing ring and the fuel pump at fuel tank installing port, it is described
The periphery of fuel pump is provided with the boss coordinated with fuel tank, and the end face of the boss is provided with back-up ring and in the back-up ring
Side forms the first mounting groove, and the second mounting groove is formed in the outside of back-up ring, and inner side offers first and cuts on the back-up ring
Mouthful, outer side offers the second otch, and first otch is oppositely arranged with the second otch, is set on the inside of the dust ring
There is internal projection, outer lug is provided with the outside of the sealing ring, the sealing ring is in the first mounting groove, and the outer lug is embedding
In first otch, the dust ring is in the second mounting groove, and the internal projection is embedded at second otch
It is interior.
Its further technical scheme is as follows：
The back-up ring is provided with multiple spaced apart first otch with multiple otch of arranged for interval second, and described first
Otch and the second otch are corresponded and set, and are connected between the first corresponding otch and the second otch, the dust ring it is interior
Side is correspondingly provided with multiple internal projections, and multiple outer lugs are correspondingly provided with the outside of the sealing ring.
First otch is the small dovetail groove of outer openings imperial palace side opening, and second otch is small interior outer openings
The big dovetail groove of side opening, the outer lug is matched with first otch, and the internal projection is matched with second otch.
The back-up ring is provided with five the first otch and five the second otch, and the first relative otch connects with the second otch
It is logical that the back-up ring is separated into five sections.
The boss is provided with and spacing collar is additionally provided with the end face of back-up ring, and the spacing collar extends shape along the outer wall of fuel pump
Into the end face of the inwall of the back-up ring, the outer wall of the spacing collar and boss surrounds first mounting groove, outside the back-up ring
Wall surrounds second mounting groove with the end face of boss.
The sealing ring includes the first inner ring portion being connected and the first outer ring portion, and the outer lug is by the first outer ring portion
Outer wall extends to be formed to the direction away from sealing ring center, and the longitudinal cross-section in the first inner ring portion is trapezoidal, and the first inner ring
The inwall in portion is arcwall face.
The outer wall of the dust ring is provided with a circle groove, and the groove is located at the middle part of the outer wall of dust ring.
The dust ring includes the second inner ring portion being connected and the second outer ring portion, and the internal projection is by the second inner ring portion
Inwall extends to be formed to the direction near dust ring center, and the longitudinal cross-section in second outer ring portion is in "eight" shape, described recessed
Groove is opened in the middle part in second outer ring portion.
A kind of cart, including fuel tank and described fuel oil pump packing structure, the fuel pump are located at the fuel tank
Installing port at, and the boss is provided with the end face of back-up ring and docked with the fuel tank wall of fuel tank installing port periphery.
The advantage or principle to preceding solution are illustrated below：
Above-mentioned fuel oil pump packing structure and cart, back-up ring is set on the boss of fuel pump periphery, so as in back-up ring
Inside and outside form the first mounting groove and the second mounting groove respectively, by sealing ring be arranged on the first mounting groove in, dust ring install
In the second mounting groove, while open up the first otch and the second otch being oppositely arranged on back-up ring, when sealing ring is installed outside it
Projection is embedded in the first otch and is positioned, and its internal projection is embedded in the second otch and is positioned when dust ring is installed, due to first
Otch is oppositely arranged with the second otch, and the first otch and the second otch are quickly found out when sealing ring is installed with dust ring, is carried
Efficiency of assembling high and simplified assembling process, and relatively conventional inner seal ring and the mode of exterior seal ring, the fuel oil of being staggered
Assemble concave point on the boss of pump to reduce, mould simplifies, cost reduction.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of fuel tank described in the utility model embodiment and fuel pump；
Fig. 2 is the generalized section of fuel oil pump packing structure described in the utility model embodiment；
Fig. 3 is the fractionation schematic diagram of fuel oil pump packing structure described in the utility model embodiment；
Fig. 4 is the schematic diagram that sealing ring described in the utility model embodiment is arranged on boss with dust ring；
Fig. 5 is the close-up schematic view of boss described in the utility model embodiment；
Fig. 6 is the structural representation of sealing ring described in the utility model embodiment；
Fig. 7 is the sectional view of the A-A along Fig. 6；
Fig. 8 is the structural representation of dust ring described in the utility model embodiment；
Fig. 9 is the sectional view of the B-B along Fig. 8；
Figure 10 is the sectional view of the C-C along Fig. 8.
Description of reference numerals：
1st, fuel tank, 2, fastener, 3, pressing plate, 10, dust ring, the 101, second inner ring portion, the 102, second outer ring portion, 110,
Internal projection, 120, groove, 20, sealing ring, the 201, first inner ring portion, the 202, first outer ring portion, 210, outer lug, 30, fuel pump,
301st, the first mounting groove, the 302, second mounting groove, the 303, first otch, the 304, second otch, 310, boss, 312, back-up ring,
314th, spacing collar.
Specific embodiment
As Figure 1-5, a kind of fuel oil pump packing structure, including dust ring 10, sealing ring 20 and installed located at fuel tank 1
Fuel pump 30 at mouthful, the periphery of the fuel pump 30 is provided with the boss 310 coordinated with fuel tank 1, one end of the boss 310
Face is provided with back-up ring 312 and forms the first mounting groove 301 in the inner side of the back-up ring 312, and second is formed in the outside of back-up ring 312
Mounting groove 302, inner side offers the first otch 303 on the back-up ring 312, and outer side offers the second otch
304, first otch 303 is oppositely arranged with the second otch 304, and the inner side of the dust ring 10 is provided with internal projection 110, described
The outside of sealing ring 20 is provided with outer lug 210, and the sealing ring 20 is in the first mounting groove, and the outer lug 210 is embedded
In in first otch 303, the dust ring 10 in the second mounting groove 302, and the internal projection 110 be embedded at it is described
In second otch 304.
Back-up ring 312 is set on the boss 310 of the periphery of fuel pump 30, so as to be formed respectively inside and outside back-up ring 312
First mounting groove 301 and the second mounting groove 302, sealing ring 20 is arranged in the first mounting groove 301, and dust ring 10 is arranged on the
In two mounting grooves 302, while opening up the first otch 303 and the second otch 304 being oppositely arranged, sealing ring 20 on back-up ring 312
Its outer lug 210 is embedded in the first otch 303 and is positioned during installation, and its internal projection 110 is embedded in second when dust ring 10 is installed
Otch 304 is positioned, and because the first otch 303 is oppositely arranged with the second otch 304, sealing ring 20 is installed with dust ring 10
When can be quickly found out the first otch 303 and the second otch 304, improve efficiency of assembling and simplify assembling process, and relatively conventional
Be staggered inner seal ring 20 and the mode of exterior seal ring 20, concave point is assembled on the boss 310 of the fuel pump 30 and is reduced, mould letter
Change, cost reduction.Under " interior " side in the present embodiment refers to confined state, near the side of the axial line of fuel pump 30, otherwise then
It is " outward " side.
As shown in Figure 3,4, back-up ring 312 described in the present embodiment is provided with multiple spaced apart first otch 303 and multiple
The second otch of arranged for interval 304, and 303 and second otch of the first otch 304 corresponds and sets, corresponding first cuts
Connected between mouth 303 and the second otch 304, the inner side of the dust ring 10 is correspondingly provided with multiple internal projections 110, the sealing ring
20 outside is correspondingly provided with multiple outer lugs 210.First otch 303, the interval of the second otch 304 are evenly arranged, correspondence dust ring
10 internal projection 110 is set with the uniform intervals of outer lug 210 of sealing ring 20, makes sealing ring 20 and the accurate positioning of dust ring 10,
Assembling is simple, so that dust ring 10 is difficult from boss 310 mobile and departs from sealing ring 20, plays good sealing and makees
With wherein sealing ring 20 is mainly used in sealing the fuel in fuel tank 1, and dust ring 10 is mainly used for isolating the ash outside fuel tank
Dirt, moisture etc., the first otch 303 that will be correspondingly arranged and the second otch 304 are arranged to the structure being connected, i.e., directly in back-up ring
The breach connected with the first mounting groove 301, the second mounting groove 302 is opened up on 312, mould processing is simple, and the knot being connected
Structure is easy to the air of the inner side of back-up ring 312 to be discharged to its outside, improves sealing property.
As shown in Fig. 3,4,5, first otch 303 is the small dovetail groove of outer openings imperial palace side opening, described second
Otch 304 is the big dovetail groove of the small interior side opening of outer openings, i.e. the first otch 303 docked with the second otch 304 formation "<>”
V notch v, as shown in Fig. 6,8, the outer lug 210 is matched with first otch 303, the internal projection 110 and described second
Otch 304 is matched, i.e., outer lug 210 is the oat tail groove structure matched with the first otch 303, and internal projection 110 is and the second otch
The oat tail groove structure of 304 matchings, can enable outer lug 210 be stuck in the first otch 303 and the second otch with internal projection 110
In 304, radial direction is difficult to be dropped out from the first otch 303 with the second otch 304, and the internal projection 110 of the structure with it is outer
Raised 210 simple structures, required setting narrower width, the first otch 303 of correspondence, the second otch 304 set narrower width, make close
Seal 20 is compact with the configuration of dust ring 10, can effectively reduce the size of boss 310, reduces processing cost.
Back-up ring 312 described in the present embodiment is provided with five the first otch 303 and five the second otch 304, relative first
Otch 303 connected with the second otch 304 back-up ring 312 is separated on five sections, i.e. back-up ring 312 be provided with five "<>" shape
Breach, sealing ring 20 and dust ring 10 be arranged in "<>" v notch v both sides, the week of limitation sealing ring 20 and dust ring 10
To rotate and move radially.According to the actual requirements, the first otch 303, the setting number of the second otch 304 can be adjusted flexibly, full
Sufficient technique and seal request.
As in Figure 2-4, the boss 310 is provided with and spacing collar 314 is additionally provided with the end face of back-up ring 312, the spacing collar
314 extend to be formed along the outer wall of fuel pump 30, the inwall of the back-up ring 312, the outer wall of the spacing collar 314 and boss 310
End face surrounds first mounting groove 301, and the outer wall of the back-up ring 312 surrounds second mounting groove with the end face of boss 310
302.I.e. described first mounting groove 301 is the groove of both sides closing, and second mounting groove 302 is what one side closed side was opened wide
Groove, can not only make that sealing ring 20 is firm to be arranged in the first mounting groove 301, and be easy to tearing open for dust ring 10 and sealing ring 20
Unload, the second mounting groove 302 that can be opened wide by side during dismounting is first taken out dust ring 10, then pass through again "<>" v notch v
Sealing ring 20 is taken out, it is easy to operate.
As shown in Figure 6,7, the sealing ring 20 includes the first inner ring portion 201 and the first outer ring portion 202 that are connected, described
Outer lug 210 is extended to the direction away from the center of sealing ring 20 from the outer wall in the first outer ring portion 202 and is formed, the first inner ring portion
201 longitudinal cross-section is trapezoidal, and the inwall in the first inner ring portion 201 is arcwall face.Under confined state, the axle of the first inner ring portion 201
To the height in direction more than first outer ring portion 202 and the height of outer lug 210, the inwall in the first inner ring portion 201 is arc
Face is used to be against the outer wall of spacing collar 314 or the outer wall of fuel pump 30, not only good sealing effect, and beneficial to inside air
Towards outside discharge.
As Fig. 2,8-10, the outer wall of the dust ring 10 are provided with a circle groove 120, the groove 120 is located at dust ring
The middle part of 10 outer wall.Setting the one side of groove 120 is easy to the outer wall of dust ring 10 to be against on the location-plate on the outside of it, makes dust ring
10 install more firm, are on the other hand easy to inside air to be discharged by making the outer wall elastic deformation of dust ring 10.The dust ring
10 include the second inner ring portions 101 and the second outer ring portion 102 that are connected, the internal projection 110 by the second inner ring portion 101 inwall
Extend to be formed to the direction near the center of dust ring 10, the longitudinal cross-section in second outer ring portion 102 is in "eight" shape, described recessed
Groove 120 is opened in the middle part in second outer ring portion 102.Under confined state, the second inner ring portion 101 and the axial direction side of internal projection 110
To height of the height less than second outer ring portion 102, not only good sealing effect, and being cut by first beneficial to inside air
The otch 304 of mouth 303 and second is discharged towards outside.
Reference picture 1-3, a kind of cart, including fuel tank 1 and described fuel oil pump packing structure, the fuel pump 30 set
At the installing port of the fuel tank 1, and the boss 310 is provided with the end face of back-up ring 312 and the combustion of the installing port periphery of fuel tank 1
The wall of fuel tank 1 is docked.The end face that the boss 310 is provided with back-up ring 312 is its upper surface, and the lower surface of the boss 310 is provided with
Pressing plate 3, the pressing plate 3 is pressed on the boss 310 by fastener 2, make the sealing ring 20 of the upper surface of the boss 310 with
Dust ring 10 coordinates with the wall sealing of fuel tank 1, it is to avoid the material such as dust outside fuel leakage and fuel tank 1 enters fuel oil
In case 1.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of fuel oil pump packing structure, it is characterised in that including dust ring, sealing ring and the combustion at fuel tank installing port
Oil pump, the periphery of the fuel pump is provided with the boss coordinated with fuel tank, and the end face of the boss is provided with back-up ring and in institute
The inner side for stating back-up ring forms the first mounting groove, and the second mounting groove is formed in the outside of back-up ring, and inner side is opened on the back-up ring
The first otch is provided with, outer side offers the second otch, and first otch is oppositely arranged with the second otch, described dust-proof
Internal projection is provided with the inside of circle, outer lug is provided with the outside of the sealing ring, the sealing ring is in the first mounting groove, and institute
State outer lug to be embedded in first otch, the dust ring is in the second mounting groove, and the internal projection is embedded at institute
State in the second otch.
2. fuel oil pump packing structure as claimed in claim 1, it is characterised in that the back-up ring is provided with multiple spaced apart
First otch and multiple otch of arranged for interval second, and first otch and the second otch correspond setting, it is corresponding
Connected between first otch and the second otch, multiple internal projections are correspondingly provided with the inside of the dust ring, outside the sealing ring
Side is correspondingly provided with multiple outer lugs.
3. fuel oil pump packing structure as claimed in claim 1, it is characterised in that first otch is the big inner side of outer openings
The small dovetail groove in opening, second otch is the big dovetail groove of the small interior side opening of outer openings, the outer lug and described the
A kerf is matched, and the internal projection is matched with second otch.
4. fuel oil pump packing structure as claimed in claim 1, it is characterised in that the back-up ring be provided with five the first otch and
Five the second otch, the first relative otch is connected with the second otch and for the back-up ring to be separated into five sections.
5. fuel oil pump packing structure as claimed in claim 1, it is characterised in that the boss is provided with the end face of back-up ring and also sets
Limited location circle, the spacing collar extends to be formed along the outer wall of fuel pump, the inwall of the back-up ring, the outer wall of the spacing collar and convex
The end face of platform surrounds first mounting groove, and the outer wall of the back-up ring surrounds second mounting groove with the end face of boss.
6. fuel oil pump packing structure as claimed in claim 1, it is characterised in that the sealing ring include being connected first in
Circle portion and the first outer ring portion, the outer lug are extended to the direction away from sealing ring center from the outer wall in the first outer ring portion and are formed,
The longitudinal cross-section in the first inner ring portion is trapezoidal, and the inwall in the first inner ring portion is arcwall face.
7. fuel oil pump packing structure as claimed in claim 1, it is characterised in that it is recessed that the outer wall of the dust ring is provided with a circle
Groove, the groove is located at the middle part of the outer wall of dust ring.
8. fuel oil pump packing structure as claimed in claim 7, it is characterised in that the dust ring include being connected second in
Circle portion and the second outer ring portion, the internal projection are extended to the direction near dust ring center from the inwall in the second inner ring portion and are formed,
The longitudinal cross-section in second outer ring portion is in "eight" shape, and the groove is opened in the middle part in second outer ring portion.
9. a kind of cart, it is characterised in that the fuel oil pump seal knot including fuel tank and as described in claim any one of 1-8
Structure, the fuel pump is at the installing port of the fuel tank, and the boss is provided with the end face and fuel tank installing port of back-up ring
The fuel tank wall docking of periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290003.4U CN206221117U (en) | 2016-11-28 | 2016-11-28 | Fuel oil pump packing structure and cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621290003.4U CN206221117U (en) | 2016-11-28 | 2016-11-28 | Fuel oil pump packing structure and cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221117U true CN206221117U (en) | 2017-06-06 |
Family
ID=58786288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621290003.4U Active CN206221117U (en) | 2016-11-28 | 2016-11-28 | Fuel oil pump packing structure and cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737206A (en) * | 2019-02-26 | 2019-05-10 | 安徽沃尔顶密封工业有限公司 | A kind of automobile fuel pump O-ring seal and preparation method thereof |
| CN110803504A (en) * | 2019-10-21 | 2020-02-18 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
-
2016
- 2016-11-28 CN CN201621290003.4U patent/CN206221117U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737206A (en) * | 2019-02-26 | 2019-05-10 | 安徽沃尔顶密封工业有限公司 | A kind of automobile fuel pump O-ring seal and preparation method thereof |
| CN109737206B (en) * | 2019-02-26 | 2020-02-11 | 安徽沃尔顶密封工业有限公司 | O-shaped sealing ring of automobile fuel pump and preparation method thereof |
| CN110803504A (en) * | 2019-10-21 | 2020-02-18 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
| CN110803504B (en) * | 2019-10-21 | 2021-09-10 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Double-cylinder building material pushing mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206221117U (en) | Fuel oil pump packing structure and cart | |
| CN204727626U (en) | A kind of water purifier | |
| CN101300418A (en) | Sealing disc, in particular for sealing off a fuel injector with respect to an engine block, and fuel injector | |
| CN206723660U (en) | The flange gasket and its application of Anti-fall and anti-neglected loading | |
| CN201696610U (en) | Sealing ring for instrument panel | |
| CN202424376U (en) | Sealing structure between motor shell and end cover | |
| CN205226464U (en) | Poppet valve and contain tee bend poppet valve of said poppet valve | |
| CN206017720U (en) | A kind of screw-in air-tight switch Magnet | |
| CN204239099U (en) | A kind of air filter housing mounting connection structure | |
| CN202209423U (en) | Wheel-edge oil seal | |
| CN202203406U (en) | Oil seal for wheel edge of engineering machinery | |
| CN208900260U (en) | A kind of fuel filter | |
| CN203516440U (en) | Lower suspension arm ball pin assembly | |
| CN202237637U (en) | Outdoor type top-seal and waterproof inspection door frame for bag dust filter | |
| CN207073435U (en) | Back oil seal seat assembly | |
| CN208935509U (en) | A kind of sealing structure for protecting spool valve seat | |
| CN206310043U (en) | Combined sewage exhaust valve and foul water system | |
| CN206846856U (en) | A kind of ventilator air outlet cover of self sealss smoke-backflow-proof taint of odour | |
| CN105054269A (en) | Roller device for tobacco processing | |
| CN202883169U (en) | Thread cover plate | |
| CN206159565U (en) | A check valve for among cooling system | |
| CN210859855U (en) | Sealing structure of normally open valve | |
| CN210108425U (en) | Temperature and pressure sensor | |
| CN202883046U (en) | Firmly-installed thread cover plate | |
| CN216948448U (en) | Radial sealed structure of SMC water-feeding well lid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |