CN103253125A - A refueling structure of a fuel feeding pipe - Google Patents
A refueling structure of a fuel feeding pipe Download PDFInfo
- Publication number
- CN103253125A CN103253125A CN2013100154166A CN201310015416A CN103253125A CN 103253125 A CN103253125 A CN 103253125A CN 2013100154166 A CN2013100154166 A CN 2013100154166A CN 201310015416 A CN201310015416 A CN 201310015416A CN 103253125 A CN103253125 A CN 103253125A
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- fuel
- carriage
- conductor
- feed pipe
- oiling
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Abstract
The invention provides a refueling structure of a fuel feeding pipe, simultaneously guaranteeing liquid tightness of a joint between a fuel guide pipe and a bracket and realizing compactness of a fueling part. The refueling structure of the fuel feeding pipe is a refueling structure of the fuel feeding pipe (25A) communicating a refueling port (31) and a fuel tank (33). The fuel feeding pipe comprises the bracket (30A) arranged on the refueling port side and the fuel geode pipe (28A) arranged on the fuel tank side and communicated with the bracket. The bracket comprises a coverless mechanism (45) with an opening/closing unit (41) opening or closing the refueling port, a claw part (53) engaged with an engaging part (51) arranged on the inner peripheral wall of the fuel guide pipe, and an annular groove (59) arranged on the outer peripheral wall (55b) of the bracket for receiving an annular sealing member (57). In a state that the bracket is assembled relative to the refuel guide pipe, the annular groove of the bracket is located on the end side of the refueling port side of the fuel guide pipe.
Description
Technical field
The present invention relates to will be for the oil filling port of the nozzle insertion that supplies nozzle and the oiling portion structure of storing the fuel feed pipe that is connected between the Fuel Tank of fuel.
Background technology
In possessing the vehicles such as self-propelled vehicle of combustion engine, be provided with the fuel feed pipe that is connected between the nozzle oil filling port that inserts and the Fuel Tank of storing fuel that to be used for for nozzle.
Conveniences when supplying with in order to improve fuel etc., the application's applicant has proposed the discarded oiling portion structure (for example, with reference to patent documentation 1) that is arranged on the fuel feed pipe with the no lid mechanism of what is called portion of the fuel cap on the oil filling port at present.
In the oiling portion structure of the fuel feed pipe that patent documentation 1 relates to, no lid mechanism portion is arranged on the building blocks of function that is known as carriage.The carriage of general cylindrical shape shape clips seal ring and is loaded on the fuel conductor (with reference to Fig. 2 of patent documentation 1) of the general cylindrical shape shape in the fuel feed pipe with liquid-tight state group.This assembling is by finishing as follows: carve in the endless groove of establishing in the periphery wall portion of carriage and accommodate seal ring, and the periphery wall portion of carriage separated small interval with respect to the internal perisporium portion of fuel conductor and in insert in the internal perisporium portion of fuel conductor, under above-mentioned state, carriage is pressed into the assembling position of the regulation in the fuel conductor.
At described assembling position, a plurality of claws that the week in the carriage upwards arranges engage with a plurality of hole portion that upwards arranges in the week of fuel conductor respectively.Thus, the carriage with no lid mechanism portion can be assembled with liquid-tight state with respect to fuel conductor.
[technical literature formerly]
[patent documentation]
[patent documentation 1] WO2010/029989A1
Yet in the oiling portion structure of the fuel feed pipe that above-mentioned patent documentation 1 relates to, what have the seam portion be difficult to realize simultaneously between fuel conductor and the carriage fluid-tightly guarantees and the such problem of densification of oiling portion size.
It is described to produce the reasons are as follows of the problems referred to above.That is, in finishing the process of carriage with respect to the assembling of fuel conductor, be housed in seal ring in the endless groove of carriage by being arranged on the position that exists of hole portion on the fuel conductor.When passing through, if seal ring contacts with the edge portion of hole portion, then may cause the damage of seal ring.The damage of such seal ring becomes the fluid-tight major cause of the seam portion between infringement fuel conductor and the carriage.Therefore, contact such state of affairs in possible trouble in order to prevent seal ring with the circumference of hole portion, adopt the structure make its radial dimension expansion with the position that has the corresponding fuel conductor in position of hole portion, thereby can avoid contact (with reference to the oiling oral-lateral of the fuel filler pipe 14 among Fig. 2 of patent documentation 1) with seal ring.
Thereby, in the oiling portion structure of the fuel feed pipe that patent documentation 1 relates to, be difficult to realize simultaneously that seam portion fluid-tight between fuel conductor and the carriage guaranteed and the densification of oiling portion size.
Summary of the invention
The present invention In view of the foregoing proposes, and its purpose is to provide a kind of can realize the seam portion between fuel conductor and the carriage simultaneously fluid-tight to guarantee and the oiling portion structure of the fuel feed pipe of the densification of oiling portion size.
In order to reach above-mentioned purpose, the oiling portion structure of the fuel feed pipe that a first aspect of the present invention relates to be the oil filling port that will insert for the nozzle of nozzle with the Fuel Tank of storage fuel between the oiling portion structure of the fuel feed pipe that is connected, be primarily characterized in that, described fuel feed pipe has the carriage that is arranged on described oiling oral-lateral, be arranged on described Fuel Tank side and with described carriage to be communicated with the fuel conductor of ways of connecting assembling, described carriage has the no lid mechanism portion that possesses switch circuit controller that described oil filling port is opened and closed, the claw that engages with the engagement section that arranges in the internal perisporium portion of described fuel conductor, the slot part of the containment member of ring-type is set to accommodate in the periphery wall portion of this carriage, under the assembled state of described carriage with respect to described fuel conductor, the slot part of described carriage is positioned at the oil filling port side end side of described fuel conductor with respect to described claw.
The oiling portion structure of the fuel feed pipe that relates to according to a first aspect of the invention, owing to adopted under the assembled state of carriage with respect to fuel conductor, the slot part that makes carriage is positioned at the structure of the oil filling port side end side of fuel conductor with respect to claw, can realize simultaneously that therefore seam portion fluid-tight between fuel conductor and the carriage guaranteed and the densification of oiling portion size.
In addition, the oiling portion structure of the fuel feed pipe that a second aspect of the present invention is put down in writing based on first aspect, it is characterized in that, the slot part of described carriage is arranged under described assembled state on the position in the overlapping scope of the periphery wall portion of the internal perisporium portion of described fuel conductor and described carriage, and be arranged on described fuel conductor described oil filling port side end near.
The oiling portion structure of the fuel feed pipe that relates to according to a second aspect of the invention, by adopting slot part with carriage under assembled state, to be arranged on the position in the overlapping scope of the periphery wall portion of the internal perisporium portion of fuel conductor and carriage, and be arranged near the structure of the oil filling port side end of fuel conductor, can reduce the amount of movement of the containment member in the slot part that is housed in carriage when assembling thus, therefore can further improve the damage inhibition of containment member.
In addition, a third aspect of the present invention is based on first or the oiling portion structure of the fuel feed pipe put down in writing of second aspect, it is characterized in that, the engagement section of the described fuel conductor of general cylindrical shape shape upwards disperse in week of the internal perisporium portion of this fuel conductor and give prominence to towards interior side with being bag shape arrange a plurality of, the claw of the described carriage of general cylindrical shape shape is provided with a plurality ofly with the engagement section of described fuel conductor a plurality of outstanding corresponding position, position being set, and the surrounding wall portion of described carriage is provided on the pars intermedia that upwards exists in the week between a plurality of described engagement sections under the described assembled state.
The oiling portion structure of the fuel feed pipe that relates to according to a third aspect of the invention we, owing to adopted the surrounding wall portion with carriage to be arranged in such structure on the pars intermedia that upwards exists in the week between a plurality of engagement sections under the assembled state, can expect that therefore carriage under the assembled state is with respect to the spline effect of fuel conductor.
[invention effect]
According to the oiling portion structure of the fuel feed pipe that the present invention relates to, can realize simultaneously that seam portion fluid-tight between fuel conductor and the carriage guaranteed and the densification of oiling portion size.
Description of drawings
Fig. 1 be conceived to oiling portion and from oblique rear the block diagram of the vehicle of observed oiling portion structure with fuel feed pipe that embodiments of the present invention relate to.
Fig. 2 is the scheme drawing of the structure of the oiling portion structure of the fuel feed pipe that relates to from the observed embodiments of the present invention of the rear side of vehicle and periphery thereof.
Fig. 3 A is the block diagram of the fuel conductor that relates to of expression comparative example.
Fig. 3 B is the sectional elevation of the connecting hole portion in the fuel conductor that relates to of expression comparative example.
Fig. 3 C is the longitudinal section of the oiling portion structure of the fuel feed pipe that relates to of expression comparative example.
Fig. 4 A is the block diagram of the fuel conductor that relates to of expression embodiments of the present invention.
Fig. 4 B is the longitudinal section of the oiling portion structure of the fuel feed pipe that relates to of expression embodiments of the present invention.
Fig. 4 C is the sectional elevation that the position of the card claw stop portion of engaging teat and carriage of expression fuel conductor and surrounding wall portion concerns.
Fig. 4 D be in the oiling portion structure of the fuel feed pipe that relates to of expression embodiments of the present invention with respect to the elevation profile of Fig. 4 C figure in the elevation profiles of 90 degree that upwards stagger in week.
[nomenclature]
The oiling portion structure of the fuel feed pipe that the 10A embodiments of the present invention relate to
11 vehicle bodies
13 rear wing panels (rear fender panel)
15 rear tyres
16 wheel cowls
The bottom surface of 17 adapters
The peristome of 19 adapters
21 adapters
The outer panel member of 23 vehicle bodies
24 first pipe portions
The 25A fuel feed pipe
26 second pipe portions
27 nozzles
28A the 3rd pipe portion (fuel conductor)
The internal perisporium portion of 28Aa fuel conductor
The 28A-1 minor diameter part
The 28A-2 large-diameter portion
The 28A-3 assembled portion
29 nozzles
30A the 4th pipe portion (carriage)
The 30Aa bracket base
31 oil filling ports
33 Fuel Tanks
35 cover portion
37 hinge portions
40 flange parts
41 switch circuit controllers
42 seal rings
43 hinge portions
45 no lid mechanism portions
51 engaging teats (engagement section)
51a heaves portion
The trapezoidal portion of 51b
53 engaging claws (claw)
The 53a depressed part
The surrounding wall portion of 55 carriages
The periphery wall portion of 55b carriage
57 seal rings (containment member)
59 ring-type slot parts (slot part)
61 oil filling port side ends
The pars intermedia of 63 fuel conductors
The specific embodiment
Below, the oiling portion structure of the fuel feed pipe that embodiments of the present invention is related to reference to accompanying drawing at length describes.
(summary of the oiling portion structure of the fuel feed pipe that embodiments of the present invention relate to)
At first, with reference to Fig. 1 and Fig. 2, the summary of the oiling portion structure of the fuel feed pipe that embodiments of the present invention are related to describes.Fig. 1 be conceived to oiling portion and from oblique rear observed block diagram with vehicle of the structure 10A of oiling portion that embodiments of the present invention relate to.Fig. 2 is the scheme drawing of the structure of the structure 10A of oiling portion of the fuel feed pipe that relates to from the observed embodiments of the present invention of the rear side of vehicle and periphery thereof.
Need to prove, in the explanation of embodiments of the present invention and comparative example, in principle the member with identical function is marked identical symbol, and the repetitive description thereof will be omitted.In addition, between the identical functions member in embodiments of the present invention and comparative example, for convenience of explanation, needing under the situation of differentiated, additional label " A " behind the symbol of building blocks of function in embodiments of the present invention, and additional label " B " behind the symbol of the building blocks of function in comparative example.
As shown in Figure 1, the structure 10A of oiling portion of the fuel feed pipe that relates to of embodiments of the present invention for example is applicable to the rear wing panel 13 in the left side, rear portion that is positioned at vehicle body 11.On rear wing panel 13, above rear tyre 15, be provided with in the bottom surface 17 adapters (adapter) 21 with concave shape of peristome 19.Adapter 21 with outward appearance of substantial cylindrical shape for example is to form the outer panel member 23 of vehicle body 11 isolated mode and the outer panel member 23 with fuel feed pipe 25A described later.
As shown in Figure 1, for example roughly the cover portion 35 of circular plate shape open and close the desired location of the adapter 21 on the outer panel member 23 that is installed in vehicle body 11 freely via hinge portion 37.Cover portion 35 constitutes by not shown lockout mechanism and keeps closed condition, on the other hand, unlock by the operation that is arranged on the indoor relieving rod of car (not shown), thereby under the effect of elastomeric elastic force such as spring to the open mode transition.
The fuel feed pipe 25A that embodiments of the present invention relate to is made of metal system or plastic pipe component.As shown in Figure 1, fuel feed pipe 25A is with the oil filling port 31 of circular shape with store between the Fuel Tank 33 of fuel and be communicated with the ways of connecting setting.Oil filling port 31 among the fuel feed pipe 25A is towards oblique upper and towards foreign side's side of vehicle body 11.In this oil filling port 31, insert the nozzle 29 of nozzle 27.
Specifically, as shown in Figure 2, the fuel feed pipe 25A that relates to of embodiments of the present invention the 4th 30A of pipe portion that has the second pipe portion 26 of the first pipe portion 24 of the roughly L word shape that is connected with Fuel Tank 33 sidewall 33a, the roughly へ shape that is connected with the upper end side of the first pipe portion 24, the 3rd 28A of pipe portion that is connected with the upper end side of the second pipe portion 26, be connected with the large-diameter portion 28A-2 (aftermentioned) of the 3rd 28A of pipe portion.
Need to prove, in the following description, the 3rd 28A of pipe portion is called " fuel conductor ", and the 4th 30A of pipe portion is called " carriage ".On fuel conductor (the 3rd pipe portion) 28A, the large-diameter portion 28A-2 of the minor diameter part 28A-1 of Fuel Tank 33 sides and oil filling port 31 sides is forming in the hole enlargement towards oil filling port 31 sides gradually continuously from Fuel Tank 33 sides.
(the structure 10B of oiling portion of the fuel feed pipe that comparative example relates to)
Then, with reference to Fig. 3 A～Fig. 3 B, the structure 10B of oiling portion of the fuel feed pipe 25B that comparative example is related to describes.Fig. 3 A is the block diagram of the fuel conductor 28B that relates to of expression comparative example.Fig. 3 B is the sectional elevation of the connecting hole portion 39 among the fuel conductor 28B that relates to of expression comparative example.Fig. 3 C is the longitudinal section of the structure 10B of oiling portion of the fuel feed pipe 25B that relates to of expression comparative example.The structure 10A of oiling portion of the structure 10B of oiling portion of the fuel feed pipe that comparative example relates to and the fuel feed pipe that embodiments of the present invention relate to is same, for example is applicable to the rear wing panel 13 in the left side, rear portion that is positioned at vehicle body 11.
As shown in Figure 3A, on the fuel conductor 28B that comparative example relates to, the large-diameter portion 28B-2 of the minor diameter part 28B-1 of Fuel Tank 33 sides and oil filling port 31 sides is forming in the hole enlargement towards oil filling port 31 sides gradually continuously from Fuel Tank 33 sides.Shown in Fig. 3 A and Fig. 3 B, among the fuel conductor 28B that comparative example relates to, the end of oil filling port 31 sides (below be called " assembled portion ") 28B-3 along circumferentially spaced spaced apart a plurality of (being three in the example of Fig. 3 A) 28B-3a of stop hole portion that is provided with.Chimeric with respect to the 28B-3a of this stop hole portion by card claw stop 39 (with reference to Fig. 3 C) of portion described later that the carriage 30B side that comparative example is related to arranges, thus carriage 30B is assembled with respect to fuel conductor 28B.
Shown in Fig. 3 C, the carriage 30B that comparative example relates to has no lid mechanism portion 45, arranges to accommodate the ring-type slot part 49 of circular seal ring 47 with the chimeric card claw stop portion 39 of the 28B-3a of stop hole portion of fuel conductor 28B, at the 30Bb of periphery wall portion of carriage 30B.
Shown in Fig. 3 C, no lid mechanism portion 45 comprises the inwardly outstanding flange part 40 that forms in side, the switch circuit controller (shutter) 41 that oil filling port 31 is opened and closed, hinge portion 43 etc. from the 30Ba of internal perisporium portion of carriage 30B.Roughly the switch circuit controller 41 of circular plate shape is being arranged to and can be being opened and closed via hinge portion 43 under the state of direction (closing direction) application of force that makes its outer peripheral edges portion and flange part 40 butts.
No lid mechanism portion 45 does not use the fuel door that need open or close by manual working, and has following function: prevent from being stored in the volatilization of the fuel in the Fuel Tank 33 during common beyond when refueling, when refueling, open fuel and supply with the road and carry out the supply of fuel smoothly.In order to bring into play above-mentioned functions fully, the position of the ring-type of in flange part 40 and outer peripheral edges portion switch circuit controller 41 butt is provided with circular seal ring 42.
No lid mechanism portion 45 is shown in Fig. 1, Fig. 2 and Fig. 3 C, and when being inserted into carriage 30B in from oil filling port 31 nozzle 29 of nozzle 27 opening cover portion 35, switch circuit controller 41 is pressed by nozzle 29 and the action of opening.Thus, can refuel to Fuel Tank 33 via carriage 30B etc. from oil filling port 31.
Shown in Fig. 3 C, the carriage 30B that above-mentioned such comparative example that constitutes relates to clips seal ring 47 with respect to the fuel conductor 28B of general cylindrical shape shape and with liquid-tight state assembling.This assembling is by finishing as follows: accommodate seal ring 47 in the ring-type slot part 49 of the carriage 30B that comparative example relates to, and the 30Bb of periphery wall portion of carriage 30B is separated the 28Ba of internal perisporium portion that inserts in fuel conductor 28B in the mode at small interval with the 28Ba of internal perisporium portion with respect to fuel conductor 28B, under above-mentioned state, carriage 30B is pressed into the assembling position of the regulation among the fuel conductor 28B.
At described assembling position, the card claw stop portion 39 of carriage 30B is chimeric with respect to the 28B-3a of stop hole portion of fuel conductor 28B.Thus, the carriage 30B with no lid mechanism portion 45 can be assembled with liquid-tight state with respect to fuel conductor 28B.
Yet in the structure 10B of oiling portion of the fuel feed pipe 25B that comparative example relates to, what have the seam portion be difficult to realize simultaneously between fuel conductor 28B and the carriage 30B fluid-tightly guarantees and the such problem of densification of oiling portion size.
It is described to produce the reasons are as follows of the problems referred to above.That is, in finishing the process of carriage 30B with respect to the assembling of fuel conductor 28B, be housed in seal ring 47 in the ring-type slot part 49 of carriage 30B is gone up the 28B-3a of stop hole portion that arranges by fuel conductor 28B the position that exists.When passing through, if seal ring 47 contacts with the circumference of the 28B-3a of stop hole portion, then may cause the damage of seal ring 47.
The damage of such seal ring 47 becomes the fluid-tight major cause of the seam portion between infringement fuel conductor 28B and the carriage 30B.Therefore, contact such state of affairs in possible trouble in order to prevent seal ring 47 with the circumference of the 28B-3a of stop hole portion, make its radial dimension than the structure of large-diameter portion 28B-2 expansion adopting with the position that has the corresponding fuel conductor 28B in position of the 28B-3a of stop hole portion, thereby can avoid contact (with reference to the assembled portion 28B-3 of Fig. 3 C) with seal ring 47.
In a word, in above-mentioned comparative example, under the assembled state of carriage 30B with respect to fuel conductor 28B, the slot part 49 of carriage 30B is positioned at Fuel Tank 33 sides of fuel conductor 28B with respect to card claw stop portion 39.Therefore, in the structure 10B of oiling portion of the fuel feed pipe 25B that comparative example relates to, be difficult to realize simultaneously that seam portion fluid-tight between fuel conductor 28B and the carriage 30B guaranteed and the densification of oiling portion size.
(summary of the oiling portion structure of the fuel feed pipe that the present invention relates to)
Therefore, in the oiling portion structure of the fuel feed pipe that the present invention relates to, adopted under the assembled state of carriage with respect to fuel conductor, made the slot part of carriage be positioned at the such structure of oil filling port side end side of fuel conductor with respect to claw.
According to the oiling portion structure of the fuel feed pipe that the present invention relates to, can realize simultaneously that seam portion fluid-tight between fuel conductor and the carriage guaranteed and the densification of oiling portion size.
(the structure 10A of oiling portion of the fuel feed pipe that embodiments of the present invention relate to)
Then, with reference to Fig. 4 A～Fig. 4 D, the structure 10A of oiling portion of the fuel feed pipe 25A that embodiments of the present invention are related to describes.Fig. 4 A is the block diagram of the fuel conductor 28A that relates to of expression embodiments of the present invention.Fig. 4 B is the longitudinal section of the structure 10A of oiling portion of the fuel feed pipe 25A that relates to of expression embodiments of the present invention.Fig. 4 C is the engaging teat 51 of expression fuel conductor 28A and the sectional elevation of the position relation that engages claw 53 and surrounding wall portion 55 of carriage 30A.Fig. 4 D be among the structure 10A of oiling portion of the fuel feed pipe 25A that relates to of expression embodiments of the present invention with respect to the elevation profile of Fig. 4 C figure in the elevation profiles of 90 degree that upwards stagger in week.
Shown in Fig. 4 A and Fig. 4 B, among the fuel conductor 28A that embodiments of the present invention relate to, give prominence to a plurality of (being a pair of) the engaging teat (being equivalent to " engagement section " of the present invention) 51 that is provided with towards interior side at interval at the assembled portion 28A-3 upper edge of oil filling port 31 sides circumferentially spaced in the example of Fig. 4 A.The engaging claw 53 described later (with reference to Fig. 4 B) that arranges by the carriage 30A side that embodiments of the present invention are related to engages with respect to this engaging teat 51, thus carriage 30A is assembled with respect to fuel conductor 28A.
Shown in Fig. 4 B, the carriage 30A that embodiments of the present invention relate to has no lid mechanism portion 45, the part has with the surrounding wall portion 55 of the engaging claw (being equivalent to " claw " of the present invention) 53 that engages teat 51 engagings of fuel conductor 28A, at the 55b of periphery wall portion of carriage 30A arranges to accommodate the ring-type slot part (being equivalent to " slot part " of the present invention) 59 of circular seal ring (being equivalent to " containment member " of the present invention) 57.
In embodiments of the present invention, when constituting carriage 30A, shown in Fig. 4 B, for example can adopt the surrounding wall portion 55 with engaging claw 53 and ring-type slot part 59 with metal system (also can be synthetic resin system) to be arranged on structure on the bracket base 30Aa of synthetic resin system (also can be metal system) integratedly by proper methods such as produced by insert molding.Engaging claw 53 part that for example can make progress by the week with surrounding wall portion 55 has been cut and integrally formed.In this case, the carriage 30A that combines of bracket base 30Aa and metal surrounding wall portion 55 with engaging claw 53 and ring-type slot part 59 is equivalent to " carriage " of the present invention.
In embodiments of the present invention, shown in Fig. 4 B, has the 51a of the portion of heaving that forms mountain type shape along the assembling direction towards the interior side of fuel conductor 28A at the outstanding engaging teat 51 that arranges of the 28Aa of internal perisporium portion of fuel conductor 28A.In addition, shown in Fig. 4 C, engaging teat 51 described heave the 51a of portion have along with assembling direction trapezoidal the circumferential 51b of quadrature roughly.
The engaging claw 53 that arranges partly with respect to the surrounding wall portion 55 of a part that constitutes carriage 30A has the depressed part 53a that forms the inverse hill type shape along the assembling direction.The depressed part 53a of the 51a of the portion of heaving of engaging teat 51 and engaging claw 53 sets chimeric shape mutually for.In a word, engaging teat 51 and engaging claw 53 constitute so-called engaging member (snap fit).Shown in Fig. 4 B, the engaging member that engaging teat 51 and engaging claw 53 combine has adopted by applying power and can engage and the two-way buckle structure of engagement release at this both direction that enters and withdraw from respect to the assembling direction.In addition, shown in Fig. 4 B and Fig. 4 C, the engaging teat 51 that each is a pair of and engaging claw 53 are arranged on the opposed position of fuel conductor 28A.
Thus, engaging claw 53 that the surrounding wall portion 55 that makes carriage 30A arranges with towards the interior side of fuel conductor 28A and the engaging under the state that teat 51 engages of outstanding setting, carriage 30A is restricted with respect to the movement on the assembling direction of fuel conductor 28A.
In addition, preferred adopt following structure: the ring-type slot part 59 of the carriage 30A that embodiments of the present invention relate to is arranged under the assembled state of carriage 30A with respect to fuel conductor 28A on the position in the overlapping scope of the 55b of periphery wall portion of the 28Aa of internal perisporium portion of fuel conductor 28A and carriage 30A, and be arranged on fuel conductor 28A oil filling port side end 61 (with reference to Fig. 4 B) near.The amount of movement of the seal ring 57 in the ring-type slot part 59 that is housed in carriage 30A when reducing assembling as much as possible, thus the damage inhibition of seal ring 57 can further be improved.
In addition, preferably adopt following structure: the engaging teat 51 of the fuel conductor 28A of general cylindrical shape shape upwards disperse in week of the 28Aa of internal perisporium portion of fuel conductor 28A and be towards interior side a bag shape give prominence to (with reference to " the engaging teat 51 " of Fig. 4 A) arrange a plurality of.This be because, because the existence of a plurality of engaging teats 51 improves carriage 30A with respect to the assembling intensity of fuel conductor 28A, and because being the liquid-tight property that bag engaging teat 51 of shape ground formation can improve the seam portion between fuel conductor 28A and the carriage 30A.
In addition, preferred adopt following structure: the engaging claw 53 of the carriage 30A of general cylindrical shape shape is provided with a plurality ofly with the engaging teat 51 of fuel conductor 28A outstanding corresponding position, position being set, and the surrounding wall portion 55 of carriage 30A arranges in the mode at the pars intermedia that upwards exists in week 63 between a plurality of engaging teats 51 (with reference to Fig. 4 C) under the above-mentioned assembled state.Its reason is, the surrounding wall portion 55 of carriage 30A is clamped and fixed on the pars intermedia 63 between a plurality of engaging teats 51, consequently, can expect that carriage 30A under the assembled state is with respect to the spline effect of fuel conductor 28A.
Need to prove that the structure that the no lid mechanism portion that relates to embodiments of the present invention 45 is relevant and effect and comparative example are same, therefore the repetitive description thereof will be omitted.
(action effect of the structure 10A of oiling portion of the fuel feed pipe that embodiments of the present invention relate to)
Shown in Fig. 4 B, the carriage 30A that above-mentioned such embodiments of the present invention that constitute relate to clips seal ring 57 with respect to the fuel conductor 28A of general cylindrical shape shape and with liquid-tight state assembling.This assembling is by finishing as follows: accommodate seal ring 57 in the ring-type slot part 59 of the carriage 30A that embodiments of the present invention relate to, and the 55b of periphery wall portion of carriage 30A is separated the 28Aa of internal perisporium portion that inserts in fuel conductor 28A in the mode at small interval with the 28Aa of internal perisporium portion with respect to fuel conductor 28A, under above-mentioned state, carriage 30A is pressed into the assembling position of the regulation among the fuel conductor 28A.
On above-mentioned assembling position, the engaging claw 53 of the side of carriage 30A engages with the teat 51 that engages of fuel conductor 28B.Thus, the carriage 30A with no lid mechanism portion 45 can be assembled with liquid-tight state with respect to fuel conductor 28A.
Here the point that needs to pay close attention to is, in the structure 10A of oiling portion of the fuel feed pipe 25A that embodiments of the present invention relate to, adopted under the assembled state of carriage 30A with respect to fuel conductor 28A, made the ring-type slot part 59 of the side of carriage 30A be positioned at the structure of oil filling port side end 61 sides of fuel conductor 28A with respect to engaging claw 53.
The structure 10A of oiling portion of the fuel feed pipe 25A that relates to according to the embodiment of the present invention, in advancing to finish the process of carriage 30A with respect to the assembling of fuel conductor 28A, be housed in seal ring 57 in the ring-type slot part 59 of carriage 30A can not cause seal ring 57 by meeting as comparative example the such problem areas of damage.This be because, in the such problem areas of the 28B-3a of stop hole portion that just do not exist comparative example to relate on the path passed through of the seal ring 57 in when assembling itself.Therefore, in embodiments of the present invention, do not need as comparative example, to make the such structure of radial dimension expansion of the large-diameter portion 28A-2 of fuel conductor 28A yet.
Thereby the structure 10A of oiling portion of the fuel feed pipe 25A that relates to according to the embodiment of the present invention can realize simultaneously that seam portion fluid-tight between fuel conductor 28A and the carriage 30A guaranteed and the densification of oiling portion size.
In addition, in the structure 10A of oiling portion of the fuel feed pipe that embodiments of the present invention relate to, can adopt following structure: the ring-type slot part 59 of carriage 30A is arranged under the assembled state of carriage 30A with respect to fuel conductor 28A on the position in the overlapping scope of the 55b of periphery wall portion of the 28Aa of internal perisporium portion of fuel conductor 28A and carriage 30A, and be arranged on fuel conductor 28A oil filling port side end 61 (with reference to Fig. 4 B) near.
If constitute like this, then can reduce the amount of movement of the seal ring 57 in the ring-type slot part 59 that is housed in carriage 30A when assembling as much as possible, can further improve the damage inhibition of seal ring 57 thus.
In addition, in the structure 10A of oiling portion of the fuel feed pipe that embodiments of the present invention relate to, can adopt following structure: the engaging teat 51 of the fuel conductor 28A of general cylindrical shape shape upwards disperse in week of the 28Aa of internal perisporium portion of fuel conductor 28A and give prominence to towards interior side with being bag shape arrange a plurality of.
If constitute like this, then the existence because of a plurality of engaging teats 51 can improve carriage 30A with respect to the assembling intensity of fuel conductor 28A.And, constitute the liquid-tight property that can improve the seam portion between fuel conductor 28A and the carriage 30A because engaging teat 51 is bag shape ground.
In addition, can adopt following structure: the engaging claw 53 of the carriage 30A of general cylindrical shape shape is provided with a plurality ofly with the engaging teat 51 of fuel conductor 28A outstanding corresponding position, position being set, and the surrounding wall portion 55 of carriage 30A arranges in the mode at the pars intermedia that upwards exists in week 63 between a plurality of engaging teats 51 (with reference to Fig. 4 C) under the above-mentioned assembled state.
If constitute like this, then the surrounding wall portion 55 of carriage 30A is clamped on the pars intermedia 63 between a plurality of engaging teats 51, consequently, can expect that carriage 30A under the assembled state is with respect to the spline effect of fuel conductor 28A.
[other embodiment]
More than Shuo Ming embodiment is represented specific example of the present invention.Thereby, cannot explain technical scope of the present invention with above-mentioned embodiment limitedly.This is because the present invention can implement under the situation that does not break away from its purport or principal character in every way.
For example, in the explanation of embodiments of the present invention, enumerate and connect the example constitute fuel feed pipe 25A by first～the 4th these four pipes are interconnected and describe, but the present invention is not limited to this example.Fuel feed pipe 25A's cuts apart number can suitably be set at number arbitrarily in the scope that does not break away from purport of the present invention.
In addition, in the explanation of embodiments of the present invention, enumerate engaging member that engaging teat 51 and engaging claw 53 combine and adopted by applying power and can engage and the example of the two-way buckle structure of engagement release describes in this two direction that enters and withdraw from respect to the assembling direction, but the present invention is not limited to this example.The engaging member that engaging teat 51 and engaging claw 53 combine also can adopt by applying power at the approach axis with respect to the assembling direction and only can engage the unidirectional buckle structure of (can not engagement release).
In addition, in the explanation that embodiments of the present invention relate to, enumerate the example that a pair of engaging teat 51 is arranged on the assembled portion 28A-3 of oil filling port 31 sides among the fuel conductor 28A and describe, but the present invention is not limited to this example.The number of engaging teat 51 can suitably be set at number arbitrarily in the scope that does not break away from purport of the present invention.
Need to prove, because engaging teat 51 and engaging claw 53 constitute engaging member by combination, therefore under the situation of the number that has changed engaging teat 51, can change the number of engaging claw 53 with the number that engages teat 51 accordingly.
In addition, in the explanation that embodiments of the present invention relate to, enumerate that a part that makes progress by the week with surrounding wall portion 55 is cut and the example of integrally formed engaging claw 53 describes, but the present invention is not limited to this example.Also can with the engaging claw 53 by with surrounding wall portion 55 not the member of consubstantiality constitute.
Claims (3)
1. the oiling portion structure of a fuel feed pipe, its be the oil filling port that will insert for the nozzle of nozzle with the Fuel Tank of storage fuel between the oiling portion structure of the fuel feed pipe that is connected, it is characterized in that,
Described fuel feed pipe has the carriage that is arranged on described oiling oral-lateral, be arranged on described Fuel Tank side and with described carriage being communicated with the fuel conductor of ways of connecting assembling,
Described carriage has: the no lid mechanism portion that possesses switch circuit controller that described oil filling port is opened and closed; The claw that engages with the engagement section that arranges in the internal perisporium portion of described fuel conductor; Arrange to accommodate the slot part of the containment member of ring-type in the periphery wall portion of this carriage,
Under the assembled state of described carriage with respect to described fuel conductor, the slot part of described carriage is positioned at the oil filling port side end side of described fuel conductor with respect to described claw.
2. the oiling portion structure of fuel feed pipe according to claim 1 is characterized in that,
The slot part of described carriage is arranged under described assembled state on the position in the overlapping scope of the periphery wall portion of the internal perisporium portion of described fuel conductor and described carriage, and be arranged on described fuel conductor described oil filling port side end near.
3. the oiling portion structure of fuel feed pipe according to claim 1 and 2 is characterized in that,
The engagement section of the described fuel conductor of general cylindrical shape shape upwards disperse in week of the internal perisporium portion of this fuel conductor and give prominence to towards interior side with being bag shape arrange a plurality of, the claw of the described carriage of general cylindrical shape shape is separately positioned on a plurality of outstanding corresponding position, position that arranges with the engagement section of described fuel conductor, and the surrounding wall portion of described carriage is provided on the pars intermedia that upwards exists in the week between a plurality of described engagement sections under the described assembled state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-033609 | 2012-02-20 | ||
| JP2012033609A JP2013169837A (en) | 2012-02-20 | 2012-02-20 | Oil supply part structure of fuel supply pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103253125A true CN103253125A (en) | 2013-08-21 |
Family
ID=48957460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100154166A Pending CN103253125A (en) | 2012-02-20 | 2013-01-16 | A refueling structure of a fuel feeding pipe |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013169837A (en) |
| CN (1) | CN103253125A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104972896A (en) * | 2014-04-10 | 2015-10-14 | 本田技研工业株式会社 | Fuel supplying system |
| CN105313681A (en) * | 2014-05-29 | 2016-02-10 | 丰田合成株式会社 | Fueling device |
| CN106314134A (en) * | 2015-07-01 | 2017-01-11 | 麦格纳斯太尔燃油系统公司 | Tank filler neck for a motor vehicle with improved sealing |
| CN106660445A (en) * | 2014-05-30 | 2017-05-10 | 双叶产业株式会社 | Retainer for refueling |
| CN107521333A (en) * | 2016-06-21 | 2017-12-29 | 本田技研工业株式会社 | The oiling portion structure of fuel feed pipe |
| CN107521334A (en) * | 2016-06-21 | 2017-12-29 | 本田技研工业株式会社 | The oiling portion structure of fuel feed pipe |
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| WO2011053563A1 (en) * | 2009-10-30 | 2011-05-05 | Illinois Tool Works Inc. | Capless refueling system |
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| JP2010195212A (en) * | 2009-02-25 | 2010-09-09 | Honda Motor Co Ltd | Fuel tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104972896A (en) * | 2014-04-10 | 2015-10-14 | 本田技研工业株式会社 | Fuel supplying system |
| CN105313681A (en) * | 2014-05-29 | 2016-02-10 | 丰田合成株式会社 | Fueling device |
| CN105313681B (en) * | 2014-05-29 | 2018-02-16 | 丰田合成株式会社 | Fueller |
| CN106660445A (en) * | 2014-05-30 | 2017-05-10 | 双叶产业株式会社 | Retainer for refueling |
| CN106314134A (en) * | 2015-07-01 | 2017-01-11 | 麦格纳斯太尔燃油系统公司 | Tank filler neck for a motor vehicle with improved sealing |
| US10017051B2 (en) | 2015-07-01 | 2018-07-10 | Magna Steyr Fuel Systems Gesmbh | Tank filler neck for a vehicle with improved sealing |
| CN106314134B (en) * | 2015-07-01 | 2019-03-19 | 麦格纳斯太尔燃油系统公司 | The storage tank for having improved sealing for motor vehicles fills neck |
| CN107521333A (en) * | 2016-06-21 | 2017-12-29 | 本田技研工业株式会社 | The oiling portion structure of fuel feed pipe |
| CN107521334A (en) * | 2016-06-21 | 2017-12-29 | 本田技研工业株式会社 | The oiling portion structure of fuel feed pipe |
| CN107521334B (en) * | 2016-06-21 | 2020-08-18 | 本田技研工业株式会社 | Refueling structure of fuel supply pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013169837A (en) | 2013-09-02 |
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Application publication date: 20130821 |