CN210706880U - Fuel filler pipe protection component - Google Patents
Fuel filler pipe protection component Download PDFInfo
- Publication number
- CN210706880U CN210706880U CN201921424823.1U CN201921424823U CN210706880U CN 210706880 U CN210706880 U CN 210706880U CN 201921424823 U CN201921424823 U CN 201921424823U CN 210706880 U CN210706880 U CN 210706880U
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- CN
- China
- Prior art keywords
- filler
- filler pipe
- curved portion
- bending
- pipe
- 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.)
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- 239000000945 filler Substances 0.000 title claims abstract description 101
- 239000000446 fuel Substances 0.000 title abstract description 14
- 238000005452 bending Methods 0.000 claims abstract description 41
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 14
- 239000000057 synthetic resin Substances 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model provides an add oil pipe protection component. The filler tube protecting member is attached to a curved portion of a synthetic resin filler tube having one end connected to a filler opening provided in a body panel and the other end connected to a fuel tank, and includes a holding portion and a fixing portion integrally connected to each other, the holding portion is configured as an arc-shaped groove having a curvature substantially identical to that of the curved portion formed in the filler tube and overlapping an outer region of an outer wall surface of the curved portion facing away from a direction of bending of the curved portion, and the curved portion is configured to overlap an inner region of the outer wall surface of the curved portion facing toward the direction of bending of the curved portion. With this structure, the fuel filler pipe can be prevented from being bent and restored.
Description
Technical Field
The utility model relates to an add oil pipe protection component.
Background
Conventionally, as a refueling member for refueling a fuel tank of an automobile, a refueling pipe for connecting the fuel tank to a refueling port provided in a body panel (for example, a rear fender) is provided. In recent years, a synthetic resin filler tube has been increasingly used to reduce the weight of a vehicle body.
Fig. 5 is a perspective view showing a conventional oil filling member using an oil filling pipe a made of synthetic resin. As shown in fig. 5, the filler tube a includes a plurality of bent portions b, c, d, and e. Further, a breather pipe f for discharging air in the filler pipe a at the time of refueling and an evaporated fuel recovery pipe g for recovering evaporated fuel from the filler pipe a are connected to the filler pipe a.
Generally, the filler pipe a made of synthetic resin is manufactured by bending a part of a straight pipe made of synthetic resin to form the bent portions b, c, d, and e. Therefore, there is residual stress in the bent portions b, c, d, and e, and so-called bending recovery occurs in which the filler pipe a is restored to a straight pipe. This bending recovery usually occurs to relieve the residual stress when influenced by the ambient temperature. Therefore, the conventional filler tube a is difficult to maintain its original predetermined shape, and if the filler tube a is bent and restored before being assembled to the vehicle body, the assembling performance of the filler tube a to the rim of the filler hole provided in the body panel and the tank is deteriorated, and it is difficult to attach the filler tube a to the vehicle.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an oil filling pipe protecting member capable of preventing an oil filling pipe from being bent and restored.
As a technical scheme for solving the above-mentioned technical problem, the utility model provides an add oil pipe protection component, this add oil pipe protection component install on the flexion that forms on the synthetic resin who is connected, the other end and the oil tank of the oil filler hole that sets up on one end and the automobile body plate adds oil pipe, its characterized in that: the bending portion includes a holding portion and a fixing portion that are integrally connected, the holding portion is configured as an arc-shaped groove that substantially matches a curvature of the bending portion and overlaps an outer region of an outer wall surface of the bending portion facing away from a bending direction of the bending portion, and the fixing portion is configured as an inner region of the outer wall surface of the bending portion facing toward the bending direction of the bending portion.
The utility model discloses an above-mentioned refuel pipe protection component's advantage lies in, can prevent to add the oil pipe and go up the emergence bending and recover. Here, the restoration of the bending of the filler pipe means that the straight pipe region connected to the bent region in the bent portion formed on the filler pipe is deformed in a direction opposite to the bending direction of the bent portion (i.e., deformed in a direction to restore the filler pipe to a straight pipe, hereinafter referred to as a first deformation), and the bent region in the bent portion is deformed in the bending direction of the bent portion (deformed in a direction to restore the filler pipe to a straight pipe, hereinafter referred to as a second deformation). Based on the above structure of the present invention, since the holding portion of the filler pipe protecting member and the outer wall surface of the curved portion formed on the filler pipe are overlapped with each other in the outer region of the curved direction facing away from the curved portion, the above-described first deformation can be suppressed. At the same time, since the fixing portion of the filler pipe protecting member overlaps with the inner region of the outer wall surface of the curved portion formed in the filler pipe, which faces in the curved direction of the curved portion, the second deformation can be suppressed. Thus, the fuel filler pipe protecting member can prevent the bent portion of the fuel filler pipe from being bent and restored.
In the above-described filler tube protecting member according to the present invention, it is preferable that the holding portion is provided with a connecting portion to be fitted into a hook portion formed on the fixing portion, and the holding portion and the fixing portion are integrally joined to each other by fitting the hook portion into the connecting portion in a state where the inner surface of the fixing portion presses the inner region of the bending portion. With this configuration, since the hook portion is fitted into the connecting portion in a state where the inner surface of the fixing portion presses the inner region of the curved portion, and the holding portion and the fixing portion are integrally coupled, the curved portion of the filler pipe can be firmly fixed and held by the filler pipe protecting member, and the curved portion of the filler pipe can be effectively prevented from being restored to the original curved state.
In the filler pipe protecting member of the present invention, it is preferable that a reduced diameter portion is formed at each end of the holding portion, and an inner surface of the reduced diameter portion presses the outer region of the curved portion. With this configuration, the inner surfaces of the reduced diameter portions at both ends of the holding portion press the outer region of the curved portion, so that the bending restoring force of the filler pipe can be resisted with a large restraining force.
Drawings
Fig. 1 is a perspective view showing a refueling unit according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along line II-II in fig. 1.
Fig. 3 is a perspective view showing the filler pipe protecting member.
Fig. 4 is a perspective view for explaining an installation operation of the filler pipe protecting member.
Fig. 5 is a perspective view showing a conventional refueling unit.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Fig. 1 is a perspective view showing a refueling member according to the present embodiment. In fig. 1, an arrow FR indicates the vehicle body front; the arrow IN indicates the inside (e.g., right side) IN the vehicle width direction; arrow UP indicates UP.
As shown in fig. 1, the filler part includes a filler pipe 1 made of synthetic resin. The filler pipe 1 is configured such that one end (upper end) thereof is connected to a filler opening provided in a body panel (for example, a rear fender (not shown) or the like), and the other end thereof is connected to a fuel tank (not shown). The filler tube 1 has a plurality of bends 12, 14, 16, 18.
A fuel tank cap, not shown, is attached to the upper end of the filler pipe 1. An openable/closable filler cap (not shown) is also attached to the filler opening provided in the body panel. The filler cap can be opened by operating a handle arranged beside a driver seat of the vehicle.
More specifically, the upper end of the filler pipe 1 is connected to the edge of the filler opening by welding or the like. The filler pipe 1 includes a first pipe portion 11, a first bent portion 12, a second pipe portion 13, a second bent portion 14, a third pipe portion 15, a third bent portion 16, a fourth pipe portion 17, a fourth bent portion 18, and a fifth pipe portion 19 from a connection point with an edge of a filler opening to a connection point with a fuel tank.
The first pipe portion 11 is configured to incline downward while extending inward in the vehicle width direction from the filler opening. The first bent portion 12 is configured to be bent forward of the vehicle body from the downstream end of the first pipe portion 11. The first bend 12 is a bend in which the tube axis meanders through 90 °. The second bent portion 14 is configured to be bent inward in the vehicle width direction from the downstream end of the second pipe portion 13. The third bent portion 16 is configured to be bent downward from the downstream end of the third pipe portion 15. The fourth curved portion 18 is configured to curve inward in the vehicle width direction from the downstream end of the fourth pipe portion 17.
Further, a breather pipe 2 for discharging air in the filler pipe 1 at the time of refueling and an evaporated fuel recovery pipe 3 for recovering evaporated fuel from the filler pipe 1 are connected to the filler pipe 1.
The main feature of the filler pipe of the present embodiment is that the filler pipe protecting member 4 is attached to the first bending portion 12. Fig. 2 is a sectional view taken along line II-II in fig. 1. Fig. 3 is a perspective view showing the filler pipe protecting member 4. Fig. 4 is a perspective view for explaining an installation operation of the filler pipe protecting member 4.
Here, the filler pipe protecting member 4 is made of, for example, a metal material having a higher hardness than the synthetic resin material constituting the filler pipe 1. The filler pipe protective member 4 is configured by integrally assembling the holding portion 5 and the fixing portion 6.
As shown in fig. 3, the retaining portion 5 is configured as an arc-shaped groove that substantially conforms to the curvature of the first curved portion 12 formed on the filler pipe 1, and overlaps with an outer region in the outer wall surface of the first curved portion 12 (i.e., a side facing away from the direction of bending of the first curved portion 12, a lower portion of the region B, A, C in fig. 2). At the same time, reduced diameter portions 51 having a reduced inner diameter of the groove are formed at both ends of the holding portion 5, and the inner surfaces of these two reduced diameter portions 51 press the outer wall surface of the straight tube region (region B, C continuous with the bending region a in fig. 2) of the first bending portion 12.
The fixing portion 6 is configured to overlap with an inner region (i.e., a region D facing one side in the bending direction of the first bent portion 12, an upper side in fig. 2) in the outer wall surface of the first bent portion 12 of the filler pipe 1. The fixing portion 6 extends along the circumferential direction of the first curved portion 12, and both ends in the extending direction thereof are connected to the holding portion 5 (as shown in fig. 3). Specifically, the holding portion 5 is provided at the middle portion thereof with a pair of coupling portions 52 (shown in fig. 4) for fitting hook portions 61 formed at both ends of the fixing portion 6, and the fixing portion 6 and the fixing portion 5 are integrally coupled by fitting the hook portions 61 at both ends of the fixing portion 6 into the corresponding coupling portions 52 (shown in fig. 3).
When the filler pipe protecting member 4 is attached to the filler pipe 1, as shown in fig. 4, first, the holding portion 5 is overlapped on the above-mentioned outer side region (lower side portion of the region B, A, C in fig. 2) of the first bending portion 12 of the filler pipe 1, and then, in a state where the first bending portion 12 of the filler pipe 1 is accommodated in the groove of the holding portion 5 having an arc-shaped cross section, the fixing portion 6 is overlapped on the above-mentioned inner side region (region D in fig. 2) of the first bending portion 12, and the hook portions 61 at both ends of the fixing portion 6 are fitted to the connecting portions 52, respectively. Thereby, the filler pipe protecting member 4 is attached to the filler pipe 1, and the fixing of the first bending portion 12 is held by the holding portion 5 and the fixing portion 6. In this state, the inner surfaces of the reduced diameter portions 51 at both ends of the holding portion 5 press the outer wall surface of the straight tube region (region B, C in fig. 2), and the inner surface of the fixing portion 6 presses the outer wall surface of the inner region (region D in fig. 2).
Next, the operation and effect of the present embodiment will be described.
The filler pipe 1 made of synthetic resin is manufactured by bending a part of a straight pipe made of synthetic resin to form bent portions 12, 14, 16, 18. Therefore, residual stress is present in the bent portions 12, 14, 16, and 18. However, since the tube axis of the first bent portion 12 having the largest curvature is bent by 90 °, the residual stress in the first bent portion 12 is large, and the fuel filler pipe 1 is restored to a straight tube by the residual stress, that is, the so-called bending restoration. After the bending recovery occurs, it is difficult for the filler pipe 1 to maintain its original predetermined shape. If the filler pipe 1 is bent and restored before the assembly, the assembling performance of the filler pipe 1 to the rim of the filler opening of the body panel and the fuel tank is deteriorated, and it becomes difficult to mount the filler pipe 1 on the vehicle.
Specifically, the restoration of the bending of the first bend 12 of the fuel filler pipe 1 means that the straight tube region B, C in the outer wall surface of the first bend 12 that is continuous with the bending region a is deformed in a direction away from the bending direction of the first bend 12 (i.e., the first deformation, which is deformed in a direction to return the fuel filler pipe 1 to a straight tube, as shown in fig. 2, the region B is displaced in a direction of a broken-line arrow E, and the region C is displaced in a direction of a broken-line arrow F), while the bending region a (including the inside region D) in the outer wall surface of the first bend 12 is deformed in the bending direction of the first bend 12 (i.e., the second deformation, which is deformed in a direction to return the fuel filler pipe 1 to a straight tube, as shown by a broken-line arrow G in fig. 2.
In the present embodiment, the first curved portion 12 of the filler pipe is held and fixed in the filler pipe protective member 4 that substantially conforms to the curvature of the first curved portion 12. That is, the holding portion 5 of the filler pipe protecting member 4 overlaps the above-described outer region (the lower portion of the curved region a and the lower portion of the straight tube region B, C continuous with the region a in fig. 2) of the outer wall surface of the first curved portion 12 of the filler pipe 1, and the inner surfaces of the reduced diameter portions 51 at both ends of the holding portion 5 press the outer wall surface of the region B, C, so that the above-described first deformation can be effectively suppressed. At the same time, the fixing portion 6 of the filler pipe protecting member 4 overlaps the inner region (region D) of the outer wall surface of the first curved portion 12 of the filler pipe 1, and the inner surface of the fixing portion 6 presses the outer wall surface of the inner region D, so that the second deformation can be suppressed. In this way, the filler pipe protecting member 4 can effectively prevent the first bending portion 12 of the filler pipe 1 from being bent and restored. As a result, the original predetermined shape of the filler pipe 1 can be maintained, and the assembling performance of the filler pipe 1 to the rim of the filler opening of the body panel and the tank can be improved.
The present invention is not limited to the above embodiments, and can be modified as appropriate. For example, in the above embodiment, an example in which the filler pipe protecting member 4 is attached to the first bending portion 12 of the filler pipe 1 is described. However, the present invention is not limited to this, and the fuel filler pipe protective member may be attached to another bent portion.
In the above embodiment, the filler pipe protecting member 4 made of metal is used. However, the present invention is not limited to this, and a synthetic resin filler tube protecting member having a higher hardness than the synthetic resin constituting the filler tube 1 may be used.
Claims (3)
1. The utility model provides an oil filler pipe protection component, installs on the flexion that forms on the synthetic resin's that synthetic resin that one end and the oil filler hole that sets up on the automobile body panel are connected, the other end and oil tank are connected, its characterized in that:
comprises a holding part and a fixing part which are connected into a whole,
the holding portion is configured as an arc-shaped groove substantially conforming to the curvature of the curved portion and overlapping an outer region of the outer wall surface of the curved portion facing away from the direction of curvature of the curved portion,
the fixing portion is configured to overlap an inner region of an outer wall surface of the bending portion facing in a bending direction of the bending portion.
2. The filler tube protective member as set forth in claim 1, wherein:
the holding portion is provided with a coupling portion to be fitted with a hook portion formed on the fixing portion, and the hook portion is fitted into the coupling portion in a state where an inner surface of the fixing portion presses the inner region of the curved portion, so that the holding portion and the fixing portion are integrally coupled.
3. The filler tube protecting member as set forth in claim 1 or 2, wherein:
a reduced diameter portion is formed at both ends of the holding portion, and an inner surface of the reduced diameter portion presses the outer region of the curved portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424823.1U CN210706880U (en) | 2019-08-29 | 2019-08-29 | Fuel filler pipe protection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424823.1U CN210706880U (en) | 2019-08-29 | 2019-08-29 | Fuel filler pipe protection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210706880U true CN210706880U (en) | 2020-06-09 |
Family
ID=70966800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921424823.1U Active CN210706880U (en) | 2019-08-29 | 2019-08-29 | Fuel filler pipe protection component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210706880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498095A (en) * | 2020-12-23 | 2021-03-16 | 赵子中 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
-
2019
- 2019-08-29 CN CN201921424823.1U patent/CN210706880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498095A (en) * | 2020-12-23 | 2021-03-16 | 赵子中 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |