CN203050949U - Installation structure of motorcycle fuel pump - Google Patents
Installation structure of motorcycle fuel pump Download PDFInfo
- Publication number
- CN203050949U CN203050949U CN 201320013759 CN201320013759U CN203050949U CN 203050949 U CN203050949 U CN 203050949U CN 201320013759 CN201320013759 CN 201320013759 CN 201320013759 U CN201320013759 U CN 201320013759U CN 203050949 U CN203050949 U CN 203050949U
- Authority
- CN
- China
- Prior art keywords
- fuel pump
- mounting bracket
- pressing plate
- motor
- flanged surface
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses an installation structure of a motorcycle fuel pump. The installation structure of the motorcycle fuel pump comprises a fuel tank body and a fuel pump installation support, wherein the fuel tank body is provided with a fuel pump installation hole, the fuel pump installation support is fixed around the fuel pump installation hole, after the fuel pump penetrates through the fuel pump installation hole, a flange surface on the fuel pump abuts against sealing rubber, a fuel pump pressing plate covers the flange surface of the fuel pump and applies force on the flange surface, the sealing rubber is stressed to deform to form sealing, the fuel pump pressing plate is connected and fixed on the fuel pump installation support through bolts, the fuel pump installation support is provided with screw holes, and the bolts penetrate through the fuel pump pressing plate from top to bottom and then are in threaded connection in the screw holes. The installation structure of the motorcycle fuel pump avoids the structure in the prior art that the flange surface of the fuel pump is fastened on between the fuel pump pressing plate and the fuel pump installation support with nuts, and the fuel pump installation support is welded on the fuel tank body and provided with welding bolts, and has the advantages of being simple, reasonable and compact in structure, convenient to assemble, good in appearance, and the like.
Description
Technical field
The utility model relates to the design of motorcycle engine, is the mounting structure of fuel pump specifically.
Background technique
With reference to Fig. 1, the installation sealing structure of tradition EFI car fuel pump is as follows: the flanged surface 11 ' of fuel pump 1 ' is fastened on fuel pump pressing plate 3 ' with nut 2 ' and is welded between the fuel pump mounting bracket 6 ' that has weld bolt 5 ' on the fuel tank body 4 ', pass through caulking gum 7 ' between the flanged surface 11 ' of fuel pump and the fuel tank body 4 ' and seal.There is following defective in this mounting structure: 1, fuel pump mounting bracket 6 ' is gone up in the perpendicularity of weld bolt 5 ' and fuel pump mounting bracket 6 ' and the relative position production between each bolt and is difficult for guaranteeing, occurs assembling situation of difficult easily when the assembling fuel pump; 2, the screw thread of weld bolt exposes, and not only is bruised easily, and influences outward appearance.3, be in the needs of protection fuel tank body 4 ', the wall thickness that is welded on the fuel pump mounting bracket 6 ' on the fuel tank body 4 ' is generally all comparatively approaching with fuel tank body 4 ' wall thickness, so the situation that this support can occur being out of shape after nut 2 ' is urgent because of strength deficiency causes poor sealing easily; 4, fuel pump flanged surface 11 ' is little with the area of contact of fuel pump pressing plate 3 ', also causes poor sealing easily.In addition, this mounting structure mainly is that caulking gum 7 ' is being pushed constraint perpendicular to the direction of fuel pump flanged surface 11 ', because it is not in addition spacing in the direction that is parallel to fuel pump flanged surface 11 ' to caulking gum 7 ', cause caulking gum 7 ' under the effect of pressurized and gasoline swelling, can be out of shape, be offset to the direction that is parallel to fuel pump flanged surface 11 ' easily, thereby be difficult to satisfy the seal request of high pressure fuel pump.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of mounting structure of motor-vehicle fuel pump, this structure have assembling easily, characteristics such as high strength and deformation, outward appearance be good.
The technological scheme that its technical problem that solves the utility model adopts is:
The mounting structure of motor-vehicle fuel pump comprises
The fuel tank body is provided with the fuel pump mounting hole;
The fuel pump mounting bracket is fixed in around the fuel pump mounting hole;
Fuel pump, the flanged surface that passes behind the described fuel pump mounting hole on it is pressed on the caulking gum;
The fuel pump pressing plate is covered on the fuel pump flanged surface and to the flanged surface application of force, the caulking gum stress deformation forms sealing;
Bolt is fastened on the fuel pump pressing plate on the fuel pump mounting bracket;
Described fuel pump mounting bracket is provided with screw, and described bolt from top to bottom passes described fuel pump pressing plate rear thread and is connected in this described screw.
As improvement of the technical scheme, position, described screw place part protrudes from the bottom end of fuel pump mounting bracket; Perhaps described screw is built in the fuel pump mounting bracket.
As further improvement in the technical proposal, described fuel pump mounting bracket is welded in the described fuel pump mounting hole, with fuel pump mounting hole circumference welded seal.
Preferably, be provided with heavy stand around described fuel pump mounting hole on the described fuel pump mounting bracket, this heavy stand and fuel pump flanged surface and the fuel pump perisporium that stretches in the described heavy stand complement each other to form a rectangle containing groove, described caulking gum is held in this rectangle containing groove, and caulking gum is subjected to this rectangle containing groove cell wall extrusion-deformation to form effective sealing.
Further, the cross section of described caulking gum is square, correspondingly on the upper/lower terminal face of caulking gum be provided with at least one group of projection, the projection that is positioned at the upper-end surface forms sealing with fuel pump flanged surface butt, and the projection that is positioned at the lower end surface seals with the formation of heavy stand butt.
Further, the bottom end of described fuel pump flanged surface is along extending to form bulge loop downwards, and this bulge loop extend in the described heavy stand.
Certainly, described caulking gum also can be the O RunddichtringO.
As preferably, described fuel pump pressing plate is a shape of plate plane, this shape of plate plane all is pressed on the flanged surface of described fuel pump, and described bolt from top to bottom passes described fuel pump pressing plate successively and fuel pump flanged surface rear thread is connected in the described screw of described fuel pump mounting bracket.
The stepped shape plate preferred as another kind, that described fuel pump pressing plate is the mediad upper process, the leave from office terrace of this stepped shape plate is connected on the fuel pump mounting bracket, and the terrace of appearing on the stage of stepped shape plate is overlapped in the last end face of described fuel pump flanged surface.
The beneficial effects of the utility model are: the utility model is provided with screw by the fuel pump mounting bracket, bolt from top to bottom passes fuel pump pressing plate rear thread and is connected in this screw, avoid in the conventional art flanged surface with fuel pump to be fastened on the fuel pump pressing plate with nut and be welded on structure between the fuel pump mounting bracket that has weld bolt on the fuel tank body, screw guarantees easily with respect to its perpendicularity of weld bolt and relative position relation, made things convenient for the assembling of fuel pump, simultaneously also avoided the screw thread of weld bolt to expose, be difficult for damaging and having good surface appearance after making bolt install.The simple and reasonable compactness of the utility model, easy to assembly, outward appearance is good.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the mounting structure schematic representation of conventional art intermediate fuel oil pump;
Fig. 2 is the structural representation that the utility model intermediate fuel oil pump stretches into fuel tank inside from top to bottom;
Fig. 3 is the utility model intermediate fuel oil pump up stretches into fuel tank inside from oblique below structural representation;
Fig. 4 is the decomposing schematic representation of Fig. 2;
Fig. 5 is the partial sectional view of Fig. 4;
Fig. 6 is the erection drawing of Fig. 5;
Fig. 7 is the structural representation that the utility model intermediate fuel oil pump pressure plate adopts terraced structure;
Fig. 8 is the structural representation when the caulking gum cross section is square in the utility model;
Fig. 9 is the partial enlarged drawing of A among Fig. 8;
Figure 10 is the structural representation that position, screw place part protrudes from the bottom end of fuel pump mounting bracket in the utility model;
Figure 11 is another angle schematic representation of Figure 10;
Figure 12 is the structural representation of fuel pump mounting bracket when screw is built in the fuel pump mounting bracket in the utility model;
Figure 13 is another angle schematic representation of Figure 12.
Embodiment
With reference to Fig. 2 ~ Figure 13, the mounting structure of motor-vehicle fuel pump of the present utility model, it comprises fuel tank body 1, fuel tank body 1 is provided with fuel pump mounting hole 11, fuel pump mounting bracket 2 is fixedly arranged around the fuel pump mounting hole 11, fuel tank body 1 is known irony fuel tank, with reference among Fig. 6 shown in the B, preferably described fuel pump mounting bracket 2 is welded in the described fuel pump mounting hole 11, fuel pump mounting bracket 2 and fuel pump mounting hole 11 circumference welded seals, its manufacturing process is simple, and improved the intensity of fuel pump mounting bracket 2 with fuel tank body 1 connection part, stressed being difficult for deforms in the subsequent installation process, guarantees to form good sealing all the time between fuel pump mounting bracket 2 and fuel tank body 1; Fuel pump 3 passes the flanged surface 31 of described fuel pump mounting hole 11 backs on it and is pressed on the caulking gum 4; Be coated with the fuel pump pressing plate 5 to its application of force on the fuel pump flanged surface 31, caulking gum 4 stress deformations form sealing, and caulking gum 4 can be selected the O RunddichtringO for use; Described fuel pump mounting bracket 2 is provided with screw 22, specifically referring to Figure 10 and Figure 11, preferred position, screw 22 place 23 parts protrude from the bottom end of fuel pump mounting bracket 2, this structure makes that fuel pump mounting bracket 2 needn't be thicker because of the degree of depth of adaptive screw 22, save material, alleviated the weight of fuel pump mounting bracket 2; Specifically referring to Figure 12 and Figure 13, described screw 22 also can directly be built in the fuel pump mounting bracket 2, and this structure can cause fuel pump mounting bracket 2 more thick and heavy.Described bolt 6 from top to bottom passes described fuel pump pressing plate 5 rear threads and is connected in this described screw 22, bolt 6 from top to bottom passes fuel pump pressing plate 5 rear threads and is connected in this screw 22, avoid in the conventional art flanged surface 11 ' with fuel pump 1 ' to be fastened on fuel pump pressing plate 3 ' with nut 2 ' and be welded on structure between the fuel pump mounting bracket 6 ' that has weld bolt 5 ' on the fuel tank body 4 ', screw 22 guarantees easily with respect to weld bolt 5 ' its perpendicularity and relative position relation, made things convenient for the assembling of fuel pump, simultaneously also avoided the screw thread of weld bolt to expose, be difficult for damaging and having good surface appearance after making bolt 6 install.
Preferred as above-mentioned mode of execution, be provided with heavy stand 21 around described fuel pump mounting hole 11 on the described fuel pump mounting bracket 2, this heavy stand 21 and fuel pump flanged surface 31 and the fuel pump perisporium 34 that stretches in the described heavy stand 21 complement each other to form a rectangle containing groove 7, described caulking gum 4 is held in this rectangle containing groove 7, and caulking gum 4 is subjected to these rectangle containing groove 7 cell wall extrusion-deformations to form effective sealing.
When caulking gum 4 is square structure for cross section, the bottom end of preferred described fuel pump flanged surface 31 is along extending to form bulge loop 33 downwards, this bulge loop 33 extend in the described heavy stand 21, and bulge loop 33 play the guiding role when fuel pump 3 is installed, and is convenient to the quick assembling of fuel pump 3.
The mounting structure by caulking gum 7 ' sealing has been abandoned between the flanged surface 11 ' of conventional art intermediate fuel oil pump 1 ' and the fuel tank body 4 ' directly in the formation of above-mentioned rectangle containing groove 7, make caulking gum 4 in rectangle containing groove 7, be subjected to the extruding of rectangle containing groove 7 four sides cell walls and can in being subjected to fuel tank, not press and the effect of gasoline swelling under the skew that deforms, can form good sealing, satisfy the seal request of high pressure fuel pump.
Improvement as above-mentioned mode of execution, described fuel pump pressing plate 5 is a shape of plate plane, this shape of plate plane all is pressed on the flanged surface 31 of described fuel pump 3, and described bolt 6 from top to bottom passes described fuel pump pressing plate 5 successively and fuel pump flanged surface 31 rear threads are connected in the described screw 22 of described fuel pump mounting bracket 2.Fuel pump pressing plate 5 is selected shape of plate plane for use, is conducive to increase fuel pump flanged surface 31 with the area of contact of fuel pump pressing plate 5, and the sealability of whole fuel pump mounting structure is further promoted.
Certainly, another kind as above-mentioned mode of execution improves, specifically referring to Fig. 7 ~ Fig. 9, described fuel pump pressing plate 5 is the stepped shape plate of mediad upper process, the leave from office terrace 51 of this stepped shape plate is connected on the fuel pump mounting bracket 2, and the terrace 52 of appearing on the stage of stepped shape plate is overlapped in the last end face of described fuel pump flanged surface 31.Adopt the fuel pump pressing plate of terraced structure, bolt 6 does not need to pass from fuel pump pressing plate 5, when assembling fuel pump 3, do not need the bolt via hole on the fuel pump pressing plate 5 aimed at the screw 22 on the fuel pump mounting bracket 2 and can screw in bolt 6, ease of assembly is operated, and is conducive to improve the packaging efficiency of fuel pump 3.
Mounting structure described in the utility model both had been applicable to that fuel pump stretched into fuel tank inside from top to bottom, was applicable to that also fuel pump up stretches into fuel tank inside from oblique below.
The above be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within the protection domain of the present utility model.
Claims (10)
1. the mounting structure of motor-vehicle fuel pump comprises
The fuel tank body is provided with the fuel pump mounting hole;
The fuel pump mounting bracket is fixed in around the fuel pump mounting hole;
Fuel pump, the flanged surface that passes behind the described fuel pump mounting hole on it is pressed on the caulking gum;
The fuel pump pressing plate is covered on the fuel pump flanged surface and to the flanged surface application of force, the caulking gum stress deformation forms sealing;
Bolt is fastened on the fuel pump pressing plate on the fuel pump mounting bracket;
It is characterized in that: described fuel pump mounting bracket is provided with screw, and described bolt from top to bottom passes described fuel pump pressing plate rear thread and is connected in this described screw.
2. the mounting structure of motor-vehicle fuel pump according to claim 1, it is characterized in that: position, described screw place part protrudes from the bottom end of fuel pump mounting bracket.
3. the mounting structure of motor-vehicle fuel pump according to claim 1, it is characterized in that: described screw is built in the fuel pump mounting bracket.
4. according to the mounting structure of arbitrary described motor-vehicle fuel pump in the claim 1 ~ 3, it is characterized in that: described fuel pump mounting bracket is welded in the described fuel pump mounting hole, with fuel pump mounting hole circumference welded seal.
5. the mounting structure of motor-vehicle fuel pump according to claim 4, it is characterized in that: be provided with heavy stand around described fuel pump mounting hole on the described fuel pump mounting bracket, this heavy stand and fuel pump flanged surface and the fuel pump perisporium that stretches in the described heavy stand complement each other to form a rectangle containing groove, described caulking gum is held in this rectangle containing groove, and caulking gum is subjected to this rectangle containing groove cell wall extrusion-deformation to form effective sealing.
6. the mounting structure of motor-vehicle fuel pump according to claim 5, it is characterized in that: the cross section of described caulking gum is square, correspondingly on the upper/lower terminal face of caulking gum be provided with at least one group of projection, the projection and the fuel pump flanged surface butt that are positioned at the upper-end surface form sealing, and the projection and the heavy stand butt that are positioned at the lower end surface form sealing.
7. the mounting structure of motor-vehicle fuel pump according to claim 6 is characterized in that: the bottom end of described fuel pump flanged surface is along extending to form bulge loop downwards, and this bulge loop extend in the described heavy stand.
8. the mounting structure of motor-vehicle fuel pump according to claim 5, it is characterized in that: described caulking gum is the O RunddichtringO.
9. according to the mounting structure of arbitrary described motor-vehicle fuel pump in the claim 1 ~ 3,5 ~ 6 or 8, it is characterized in that: described fuel pump pressing plate is a shape of plate plane, this shape of plate plane all is pressed on the flanged surface of described fuel pump, and described bolt from top to bottom passes described fuel pump pressing plate successively and fuel pump flanged surface rear thread is connected in the described screw of described fuel pump mounting bracket.
10. according to the mounting structure of arbitrary described motor-vehicle fuel pump in the claim 1 ~ 3,5 ~ 8, it is characterized in that: the stepped shape plate that described fuel pump pressing plate is the mediad upper process, the leave from office terrace of this stepped shape plate is connected on the fuel pump mounting bracket, and the terrace of appearing on the stage of stepped shape plate is overlapped in the last end face of described fuel pump flanged surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013759 CN203050949U (en) | 2013-01-10 | 2013-01-10 | Installation structure of motorcycle fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013759 CN203050949U (en) | 2013-01-10 | 2013-01-10 | Installation structure of motorcycle fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050949U true CN203050949U (en) | 2013-07-10 |
Family
ID=48733908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320013759 Expired - Lifetime CN203050949U (en) | 2013-01-10 | 2013-01-10 | Installation structure of motorcycle fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194526A (en) * | 2016-08-31 | 2016-12-07 | 众恒汽车部件有限公司 | A kind of built-in fuel oil pump assembly |
-
2013
- 2013-01-10 CN CN 201320013759 patent/CN203050949U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194526A (en) * | 2016-08-31 | 2016-12-07 | 众恒汽车部件有限公司 | A kind of built-in fuel oil pump assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203050949U (en) | Installation structure of motorcycle fuel pump | |
| CN103101592B (en) | The mounting structure of fuel charger on motorcycle plastic fuel tank | |
| CN203076868U (en) | Mounting device of crankshaft flange of diesel engine | |
| CN201540800U (en) | Fuel tank sealing device of transformer | |
| CN202203555U (en) | Pipeline connecting structure | |
| CN203962245U (en) | A kind of installation sealing structure of motor-vehicle fuel pump | |
| CN203047443U (en) | Installing structure of fuel pump on motorcycle plastic fuel tank | |
| CN203491956U (en) | Photovoltaic support | |
| CN201739309U (en) | Novel bolt and nut locking structure | |
| CN215172247U (en) | Sealing ring of edge dismantling machine | |
| CN202384153U (en) | Positioning structure used on transformer body | |
| CN2849186Y (en) | Fixing structure of shock resistant oil leakage proof diesel oil engine oil box | |
| CN201589318U (en) | Improved structure for fixing gas hood and glass cap plate in European-type range hood | |
| CN201715143U (en) | Hydraulic pipeline sealing device | |
| CN201696083U (en) | Universal petrol engine cylinder head sealing structure | |
| CN203433945U (en) | Transformer oil tank | |
| CN201348107Y (en) | Dismountable flanged joint of major diameter pipe line | |
| CN201294159Y (en) | Aluminum electrolytic capacitor terminal | |
| CN201789227U (en) | Closing plate sealing structure used on gaseous insulation metal enclosed switchgear | |
| CN2875669Y (en) | Hollow auxiliary seat screw pile welding joint | |
| CN209239880U (en) | New-energy automobile clutch housing mould processing jig | |
| CN204821110U (en) | Integral automotive suspension link | |
| CN210919298U (en) | Oil rail mounting bracket | |
| CN217002122U (en) | Oil sprayer test bed with oil mist eliminating function | |
| CN201651488U (en) | Integrated bottom valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |