CN210003431U - Fuel pump subassembly waterproof construction - Google Patents
Fuel pump subassembly waterproof construction Download PDFInfo
- Publication number
- CN210003431U CN210003431U CN201920432701.0U CN201920432701U CN210003431U CN 210003431 U CN210003431 U CN 210003431U CN 201920432701 U CN201920432701 U CN 201920432701U CN 210003431 U CN210003431 U CN 210003431U
- Authority
- CN
- China
- Prior art keywords
- fuel pump
- cover
- waterproof
- pump assembly
- operation opening
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 108
- 238000010276 construction Methods 0.000 title abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 40
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides an fuel pump subassembly waterproof construction, this fuel pump subassembly waterproof construction (10) are including automobile body (1) that is formed with opening (11) for the operation, set up oil tank (2) below opening (11) for the operation, set up inside oil tank (2) and have from oil tank (2) top surface outstanding to outside protruding part's fuel pump subassembly (3), opening lid (4) for the operation that will operate and cover opening (11), and with skirt-shaped buckler (5) that the protruding part of fuel pump subassembly (3) surrounded, the upper end and the opening lid (4) fixed connection for the operation of buckler (5), the lower tip of buckler (5) contacts with the top surface or fuel pump subassembly (3) of oil tank (2).
Description
Technical Field
The utility model relates to a kind supply fuel to the waterproof construction of the fuel pump subassembly of engine from the oil tank.
Background
In vehicles such as automobiles, fuel contained in a fuel tank is supplied to an engine by a fuel pump assembly. The fuel pump assembly is typically disposed inside the fuel tank, but has a projection on an upper portion thereof that projects from a top surface of the fuel tank to the outside. Therefore, if the projecting portion of the fuel pump module is in a state of being able to contact rainwater or the like for a long period of time, the projecting portion of the fuel pump module may be corroded due to the influence of environmental load substances or the like contained in the rainwater or the like. In order to prevent the projecting portion of the fuel pump assembly from coming into contact with rainwater or the like, a fuel pump assembly waterproof structure that covers the projecting portion of the fuel pump assembly is generally employed.
Fig. 3 shows a schematic configuration of a fuel pump assembly waterproof structure 70 of the related art as examples, in the fuel pump assembly waterproof structure 70, a fuel pump assembly 72 provided inside a fuel tank 71 is assembled to the fuel tank 71 by a retainer 73 in a state where an upper portion thereof protrudes from a top surface of the fuel tank 71 to the outside, and a waterproof cover 74 covering an upper portion of a protruding portion of the fuel pump assembly 72 is further provided in the fuel pump assembly waterproof structure 70, and the waterproof cover 74 is fixedly attached to the retainer 73, so that the protruding portion of the fuel pump assembly 72 can be prevented from coming into contact with rainwater and the like.
Further, the upper side of the fuel tank 71 is covered with a vehicle body 75 constituting the vehicle exterior, and an operation opening 751 used when the fuel pump module 72 is attached and detached or maintained is formed in the vehicle body 75, and an operation opening cover 76 for covering the operation opening 751 is provided.
However, in the case of the above-described related-art fuel pump assembly waterproofing structure 70, there is a problem in that the shape setting of the waterproof cover 74 is difficult. Specifically, the shapes of the fuel pump assembly 72 and the fuel tank 71 are different depending on the type and the specification of the vehicle, and there is a problem that the waterproof cover 74 cannot be attached to the holder 73 depending on the shape of the fuel pump assembly 72 or the shape of the fuel tank 71.
In order to attach the waterproof cover 74 to the retainer 73 without being affected by the shape of the fuel pump assembly 72 or the shape of the fuel tank 71, it is conceivable to set the shape of the waterproof cover 74 so as to sufficiently secure a gap between the fuel pump assembly 72 or the fuel tank 71 and the waterproof cover 74. However, in this case, a sufficient gap between the vehicle body 75 or the operation opening cover 76 and the waterproof cover 74 cannot be secured.
In addition, in the above-described related art fuel pump assembly waterproofing structure 70, since the waterproof cover 74 is present, the operation of connecting the wiring harness 77 to the fuel pump assembly 72 is complicated, and thus the manufacturing cost is increased. Specifically, after the fuel pump module 72 is assembled in the fuel tank 71, the fuel pump module 72 needs to be connected to a harness 77 extending from above (i.e., on the vehicle compartment side) the vehicle body 75. As shown in fig. 3, when the waterproof cover 74 covering the upper side of the fuel pump module 72 is provided, a harness passage opening (not shown) is first formed in the waterproof cover 74, and then the harness 77 is inserted into the harness passage opening and connected to the fuel pump module 72, and thereafter, a gap between the harness passage opening and the harness 77 is also closed. By this operation, the waterproof performance of the fuel pump assembly 72 covered with the waterproof cover 74 can be ensured. Thus, the connection operation of the wire harness 77 is complicated.
In addition, there is another method not shown, for example, a sub-harness through which the waterproof cover 74 is inserted without a gap. In this case, the sub harness is connected to the fuel pump assembly 72, and the harness 77 is connected to the sub harness, and then the waterproof cover 74 is attached to the holder 73. However, in the case of this structure, the sub-harness needs to be used in addition to the harness 77, and thus the connecting operation of the harness 77 is still complicated, and the manufacturing cost is increased.
SUMMERY OF THE UTILITY MODEL
To the technical problem mentioned above, an object of the utility model is to provide kinds no matter how the shape homoenergetic of fuel pump subassembly and oil tank can ensure fuel pump subassembly's waterproof performance to enable fuel pump subassembly's pencil connection easy operation fuel pump subassembly waterproof construction.
As a technical solution to solve the above technical problem, the fuel pump module waterproof structure of the present invention includes a body forming a vehicle exterior and having an operation opening formed therein; a fuel tank disposed below the operation opening and configured to contain fuel; a fuel pump assembly disposed inside the fuel tank and having a protruding portion protruding from a top surface of the fuel tank to the outside; and an operation opening cover mounted on the vehicle body and covering the operation opening; the method is characterized in that: the operation opening cover is provided with a skirt-shaped waterproof cover which surrounds the protruding part of the fuel pump assembly, the upper end part of the waterproof cover is fixedly connected with the operation opening cover, and the lower end part of the waterproof cover is in contact with the top surface of the fuel tank or the fuel pump assembly.
In addition, in the above-described waterproof structure for a fuel pump module of the present invention, it is preferable that the waterproof cover is formed of an elastically deformable member at least at a lower end portion thereof.
In addition, in the above-described fuel pump module waterproof structure of the present invention, preferably, the lower end portion of the waterproof cover is formed with a split extending upward from the lower end edge.
In addition, in the above-mentioned fuel pump assembly waterproof structure of the present invention, preferably, the operation opening cover has a wire harness insertion hole for inserting a wire harness connected to the fuel pump assembly.
Drawings
Fig. 1 is a schematic cross-sectional view showing a waterproof structure of a fuel pump assembly according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view showing the structure of an operation opening cover and a waterproof cover in the waterproof structure of the fuel pump assembly.
Fig. 3 is a schematic sectional view showing a waterproof structure of a fuel pump assembly of the related art.
Detailed Description
Hereinafter, a fuel pump assembly waterproof structure according to the present embodiment will be described with reference to the drawings.
< waterproof structure of fuel pump assembly >
Fig. 1 is a schematic sectional view showing a fuel pump assembly waterproof structure 10 according to the present embodiment. As shown in fig. 1, a fuel pump assembly waterproof structure 10 includes a vehicle body 1, a fuel tank 2, a fuel pump assembly 3, an operation opening cover 4, a waterproof cover 5, and a wire harness 6.
The vehicle body 1 constitutes an external shape of a vehicle, and as shown in fig. 1, the vehicle body 1 has an operation opening 11 formed by inserting a predetermined portion therethrough, and a stepped -th catching portion 12 formed at a peripheral edge portion of the operation opening 11, wherein a size of the operation opening 11 and a position thereof on the vehicle body 1 can be appropriately set and changed in accordance with a size of the fuel pump assembly 3 and a mounting position thereof on the fuel tank 2, and the like.
The fuel tank 2 is provided with fuel for supplying an engine, not shown, and as shown in fig. 1, the fuel tank 2 has a fuel pump mounting opening 21 formed by penetrating a top surface thereof and a mounting flange 22 extending horizontally inward from a peripheral edge portion of the fuel pump mounting opening 21, and further, a recess 23 recessed downward is formed on an outer periphery of the fuel pump mounting opening 21, and a projection 24 projecting upward is formed on an outer periphery of the recess 23, and , wherein a top surface shape of the fuel tank 2, cross-sectional shapes of the recess 23 and the projection 24, positions thereof, and the like can be appropriately changed according to actual conditions, and the fuel tank 2 having the above-described structure is disposed below the vehicle body 1 in a state where the fuel pump mounting opening 21 is positioned directly below the operation opening 11.
The fuel pump assembly 3 is used to supply fuel contained in the fuel tank 2 to an engine, not shown. As shown in fig. 1, the fuel pump module 3 includes a fuel pump body 31 provided inside the fuel tank 2, a plurality of pipes 32 connected to the fuel pump body 31 and extending toward other parts of the vehicle, and a mounting plate 33 extending outward from the fuel pump body 31. In addition, the oil pump main body 31 has a protruding portion that protrudes from the top surface of the oil tank 2 to the outside of the oil tank 2.
The fuel pump module 3 having the above-described structure is assembled to the fuel tank 2 via the retainer 7 in a state where the mounting plate 33 is disposed on the mounting flange 22 of the fuel tank 2. With this fuel pump module 3, the fuel pump body 31 sucks fuel inside the fuel tank 2 into the pipe 32, and the fuel is sent to the engine through the pipe 32.
The operation opening cover 4 is used to close the operation opening 11 of the vehicle body 1, fig. 2 is a schematic perspective view showing the structure of the operation opening cover 4 and the waterproof cover 5 in the present embodiment, and as shown in fig. 1 and 2, the operation opening cover 4 has a cup-shaped cup body 41 slightly larger than the operation opening 11 in a plan view, a wire harness insertion hole 42 through which a central portion of the cup body 41 is inserted, and a second engaging portion 43 formed in a peripheral portion of the cup body 41, wherein the second engaging portion 43 is formed in a stepped shape so as to be engageable with the -th engaging portion 12 of the vehicle body 1, and the second engaging portion 43 of the operation opening cover 4 is engaged with the -th engaging portion 12 of the vehicle body 1, whereby the operation opening cover 4 having the above-described structure can be detachably attached to the vehicle body 1.
The waterproof cover 5 serves to prevent the protruding portion of the fuel pump assembly 3 from coming into contact with rainwater or the like. The waterproof cover 5 has waterproof performance (i.e., is impermeable to water), and is a skirt member composed of an elastically deformable sheet-like material. As shown in fig. 2, a plurality of slits 51 are formed in the lower end portion of the waterproof cover 5, and each slit 51 is formed by cutting upward from the lower end edge of the waterproof cover 5. The plurality of slits 51 are arranged at predetermined intervals in the circumferential direction. As shown in fig. 1, the waterproof cover 5 having this structure is configured such that the lower end of the operation opening cover 4 surrounds the operation opening cover 4, that is, the upper end portion of the waterproof cover 5 and the inner side surface of the lower end portion of the operation opening cover 4 are fixedly connected by a waterproof rivet 8 having good waterproof performance.
In this way, in a state where the operation opening cover 4 is attached to the vehicle body 1, the lower end portion of the waterproof cover 5 contacts the top surface of the fuel tank 2 or the fuel pump module 3, in the present embodiment, as shown in fig. 1, the lower end portion of the waterproof cover 5 contacts the bottom surface of the recess 23 formed in the fuel tank 2, and thereby the waterproof cover 5 surrounds the projecting portion of the fuel pump module 3, and forms body (cap body) with the operation opening cover 4 to cover the projecting portion of the fuel pump module 3 entirely.
The wire harness 6 is used for electrically connecting a device on the vehicle cabin side and the fuel pump assembly 3, and although not shown in detail, the wire harness 6 has a plurality of cables and connectors provided at both ends of the cables, the wire harness 6 having such a structure can be inserted through the harness insertion hole 42 of the operation opening cover 4 without a gap, the connector at the end thereof is connected to the device on the vehicle cabin side, and the connector at the other end thereof is connected to the fuel pump assembly 3.
< beneficial effects >
As described above, according to the fuel pump module waterproof structure 10 of the present embodiment, in a state where the operation opening cover 4 is attached to the vehicle body 1, the lower end portion of the waterproof cover 5 fixedly attached to the operation opening cover 4 is in contact with the top surface of the fuel tank 2 or the fuel pump module 3, and therefore, the projecting portion of the fuel pump module 3 is covered with the operation opening cover 4 above it, and the side surface thereof is covered with the waterproof cover 5 having a waterproof property, that is, the operation opening cover 4 and the waterproof cover 5 are attached to constitute a cap-shaped body, and the projecting portion of the fuel pump module 3 is entirely covered, and therefore, the projecting portion of the fuel pump module 3 can be prevented from being in contact with rainwater or the like, and the occurrence of corrosion of the projecting portion of the fuel pump module 3 by environmental load substances or the like contained in the rainwater or the like can be.
Further, since the waterproof cover 5 is formed of an elastically deformable material (member), the lower end portion of the waterproof cover 5 can be elastically deformed in accordance with the shape of the fuel pump assembly 3 (including the shape of the pipe 32) and the shape of the fuel tank 2. Thus, regardless of the shapes of the fuel pump assembly 3 and the fuel tank 2, the lower end portion of the waterproof cover 5 can be brought into contact with the top surface of the fuel tank 2 or the fuel pump assembly 3. Thereby, the projecting portion of the fuel pump assembly 3 can be more effectively prevented from coming into contact with rainwater or the like. Further, when the operation opening cover 4 is mounted on the vehicle body 1, the contact between the waterproof cover 5 and the fuel tank 2 or the fuel pump module 3 does not hinder the mounting operation.
Further, a plurality of slits 51 extending upward from the lower end edge of the waterproof cover 5 are formed at equal intervals in the circumferential direction at the lower end portion of the waterproof cover 5. Thus, the waterproof cover 5 is more easily elastically deformed corresponding to the shape of the fuel pump assembly 3 and the shape of the fuel tank 2. Thereby, the projecting portion of the fuel pump assembly 3 can be more effectively prevented from coming into contact with rainwater or the like.
Further, by fixedly attaching the waterproof cover 5 to the operation opening cover 4 with the waterproof rivet 8 having excellent waterproof performance, it is possible to effectively prevent rainwater and the like from penetrating into the inside of the operation opening cover 4 from a portion where the waterproof cover 5 is fixedly attached to the operation opening cover 4 and coming into contact with a protruding portion of the fuel pump assembly 3.
Further, when the operation cover 4 is mounted on the vehicle body 1, only the second engaging portion 43 of the operation cover 4 is engaged with the th engaging portion 12 of the vehicle body 1, and the second engaging portion 43 and the th engaging portion 12 are formed in a stepped shape, so that both engaging portions have a function of preventing rainwater and the like from penetrating into the operation cover 4.
Further, since the waterproof cover 5 is formed into a skirt shape and the upper end portion thereof is attached to the inside of the lower end portion of the operation opening cover 4, the waterproof cover 5 does not cover the upper portion of the fuel pump module 3, and therefore, when the fuel pump module 3 is connected to the device on the vehicle compartment side by the wire harness 6, the operation opening cover 4 is detached from the vehicle body 1, the wire harness 6 is inserted into the wire harness insertion hole 42 formed in the central portion thereof, the connector at the end of the wire harness 6 is connected to the device on the vehicle compartment side, the connector at the other end of the wire harness 6 is connected to the fuel pump module 3, and finally the operation opening cover 4 is attached to the vehicle body 1.
< modification example >
The technical scope of the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the claims. For example, the following modifications may be adopted for the present invention.
In the above embodiment, the entire waterproof cover 5 is made of an elastically deformable material (member), but the waterproof cover 5 may be made of an elastically deformable material (member) at least at the lower end portion thereof, and may be elastically deformable in accordance with the shape of the fuel pump assembly 3 and the shape of the fuel tank 2. For example, the upper end portion of the waterproof cover 5, that is, the portion fixedly connected to the operation opening cover 4 may be formed of a hard resin member or the like.
In the above embodiment, the slits 51 are formed at equal intervals in the circumferential direction over the entire circumference of the lower end portion of the waterproof cover 5, but the length, number, and interval in the circumferential direction of the slits 51 are not limited and can be designed and changed as appropriate depending on the circumstances.
In the above embodiment, the waterproof cover 5 is fixedly attached to the operation opening cover by the waterproof rivet 8, but the waterproof cover 5 may be fixedly attached to the operation opening cover 4 by a conventionally known attachment member such as a screw or an adhesive.
Claims (4)
- A waterproof structure of a fuel pump module of 1, type, comprising a vehicle body forming an outer shape of a vehicle and formed with an operation opening, a fuel tank provided below the operation opening for containing fuel, a fuel pump module provided inside the fuel tank and having a protruding portion protruding from a top surface of the fuel tank to the outside, and an operation opening cover attached to the vehicle body and covering the operation opening, characterized in that:the operation opening cover is provided with a skirt-shaped waterproof cover which surrounds the protruding part of the fuel pump assembly, the upper end part of the waterproof cover is fixedly connected with the operation opening cover, and the lower end part of the waterproof cover is in contact with the top surface of the fuel tank or the fuel pump assembly.
- 2. The fuel pump assembly waterproof structure according to claim 1, characterized in that:the waterproof cover is configured such that at least a lower end portion thereof is formed of an elastically deformable member.
- 3. The fuel pump assembly waterproof structure according to claim 1 or 2, characterized in that:a slit extending upward from a lower end edge is formed at a lower end portion of the waterproof cover.
- 4. The fuel pump assembly waterproof structure according to claim 1 or 2, characterized in that:the opening cover for operation has a harness insertion hole for inserting a harness connected to the fuel pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432701.0U CN210003431U (en) | 2019-04-01 | 2019-04-01 | Fuel pump subassembly waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920432701.0U CN210003431U (en) | 2019-04-01 | 2019-04-01 | Fuel pump subassembly waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003431U true CN210003431U (en) | 2020-01-31 |
Family
ID=69302764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920432701.0U Active CN210003431U (en) | 2019-04-01 | 2019-04-01 | Fuel pump subassembly waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003431U (en) |
-
2019
- 2019-04-01 CN CN201920432701.0U patent/CN210003431U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7271773B2 (en) | Antenna mounted on vehicle | |
| US7422443B2 (en) | Electric connection box | |
| DE60115264T2 (en) | INSTALLATION OF A COMBINATION OF FUEL PUMP, LEVEL SENSOR AND ROLLER VALVE INTO A FUEL TANK | |
| CN101521362B (en) | Electric junction box for motor vehicle | |
| US6222123B1 (en) | Low cost error proofing cap assembly | |
| US20120302089A1 (en) | Ground terminal assembly for a vehicle | |
| CN110495056B (en) | Opening sealing member and electrical equipment | |
| US11165233B2 (en) | Electrical connection box and wire harness | |
| CN104852203A (en) | Waterproof connector for vehicle | |
| CN110621132A (en) | Housing, electrical connection box, and wire harness | |
| CN210003431U (en) | Fuel pump subassembly waterproof construction | |
| JPS6144710B2 (en) | ||
| CN101925752A (en) | Clip attachment structure | |
| CN208210459U (en) | A kind of mounting structure of on-vehicle control apparatus | |
| EP1804340A1 (en) | Fixation structure for rear cover | |
| US5967819A (en) | Electric junction box and method for mounting a bus bar in same | |
| CN210122039U (en) | Display module assembly and air conditioner | |
| US10084259B1 (en) | Waterproof component | |
| CN212861325U (en) | Pencil protection box and car | |
| CN111431380B (en) | Current converter for new energy automobile with cut straightly formula pencil waterproof construction | |
| CN211403932U (en) | Waterproof construction and LED display screen of interface | |
| CN116368696A (en) | Power routing module with ports | |
| JP2009043685A (en) | Cap for external terminal connecting portion | |
| CN214957555U (en) | Connector protective sleeve and connector assembly | |
| JP2000252725A (en) | Antenna for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |