CN103038082B - Housing and possess the fuel tank of this housing - Google Patents
Housing and possess the fuel tank of this housing Download PDFInfo
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- CN103038082B CN103038082B CN201180032481.9A CN201180032481A CN103038082B CN 103038082 B CN103038082 B CN 103038082B CN 201180032481 A CN201180032481 A CN 201180032481A CN 103038082 B CN103038082 B CN 103038082B
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- filling port
- oil filling
- main body
- sealing
- cover main
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
- B65D51/1622—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
- B60K2015/0451—Sealing means in the closure cap
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Closures For Containers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a kind of housing and possess the fuel tank of this housing, this housing can suppress the blocking of ventilating part and dust to the intrusion both of these case in fuel tank.Possesses the sealing (17) of perisporium covering part (16b) and ring-type, perisporium covering part (16b) is to cross over the mode for the perisporium (13b) of oil cap (13) and the outer peripheral face of oil filling port (12), spread all over whole side face centered by the axis of oil filling port (12) from outer side covers perisporium (13b) and oil filling port (12), the sealing (17) of ring-type is projecting to the inside from the part of the covering oil filling port (12) perisporium covering part (16b), by the outer peripheral face allowing sealing (17) be close to oil filling port (12), the second ventilating part (20) is formed between perisporium covering part (16b) and oil filling port (12), this second ventilating part (20) imports the first ventilating part (14) for the extraneous air imported by the peristome towards fuel tank main body side (23) from perisporium covering part (16b) around the rotation limit, axis limit of oil filling port (12).
Description
Technical field
The present invention relates to the housing being installed on lid and the fuel tank possessing this housing.
Background technology
Fig. 8 and Fig. 9 illustrates the existing Fuel Tank being arranged at hydraulic excavator.
Fuel Tank 1 possesses: oil filling port (oil-feed port) 2, be arranged at Fuel Tank 1 top and for cylindric; And for oil cap 3, be detachably installed on the upper end open portion (with reference to patent documentation 1,2) of this oil filling port 2 by screw thread embedded structure etc.
Supplying oil cap 3 and the air extractor vent 4 being provided with the L-shaped making to be communicated with inside and outside fuel tank between oil filling port 2.Specifically, the air channel for forming above-mentioned air extractor vent 4 is being formed for the position relative with the upper surface of oil filling port 2 and side in the medial surface of oil cap 3.The discrepancy effect (drafting apparatus effect) of the air in the fuel tank corresponding with the increase and decrease of fuel is carried out (with reference to patent documentation 2) via above-mentioned air extractor vent 4.
On the other hand, Patent Document 3 discloses the lubrication boxs such as gear case.This lubrication box possesses the oil-feed port in portion disposed thereon and is embedded in the confession oil cap of this oil-feed port.Above-mentioned possess for oil cap: the head blocking above-mentioned oil-feed port from top; The trunk in oil-feed port can be inserted; And the protuberance of multiple ring-type, circumferentially outstanding and spaced apart and arrange on the length direction of trunk from this trunk.Ventilating part is formed between above-mentioned head and the opening edge of above-mentioned oil-feed port.The notch that its peripheral part is cut open is formed respectively in above-mentioned multiple protuberance.Above-mentioned each notch is arranged in the mode becoming different phase place in a pair adjacent protuberance in the circumferential.Thus, owing to forming the path of the labyrinth-like arriving above-mentioned ventilating part in oil-feed port in lubrication box described in patent documentation 3, so the oil in fuel tank can be suppressed to overflow from ventilating part because of the inclination of body or vibration.
In the technology described in the patent documentation 1,2 carrying out ventilating by means of only the air extractor vent 4 being formed in the inner circumferential side supplying oil cap 3 with L-shaped groove, produce following problem.Specifically, when using hydraulic excavator in the scene drifted in the scene or a large amount of sand and dust that are full of dust, dust is (comprise sand and dust, lower with) blocking in air extractor vent, or as its last stage, and dust to be inhaled in fuel tank and to be mixed in fuel.
In addition, can imagining when the technology recorded in patent documentation 3 is applied to fuel tank, in preventing dust from invading in fuel tank utilizing the ventilating part of labyrinth-like, certain effect can be obtained.
But above-mentioned ventilating part is formed as linearity and directly to outside opening.Therefore, dust can not be prevented to be blocked in this ventilating part.
In addition, namely allowing to the ventilating part blocks dust of the inner side by being formed in oil-feed port, also by the dust stopped may be declined through ventilating part lentamente because of the vibration of body and fall in fuel tank.
Further, need at the ventilating part (protuberance of multiple ring-type and notch) for labyrinth-like additional on oil cap self.Therefore, corresponding dusty scene and few scene, the common oil cap these two kinds that supplies for oil cap and Bi Qi cheapness that must prepare with ventilating part supplies oil cap, and distinguishes use.Further, must exchange for oil cap entirety existing.Due to these situations, the aspect of cost and management is made to become unfavorable.
Patent documentation 1: No. 2009-166807, Japanese Laid-Open Patent Publication
Patent documentation 2: flat No. 9-290854 of Japanese Laid-Open Patent Publication
Patent documentation 3: flat No. 8-28782 of Japanese Laid-Open Patent Publication
Summary of the invention
The object of the present invention is to provide a kind of housing and possess the fuel tank of this housing, this housing can suppress the blocking of ventilating part and dust to the intrusion both of these case in fuel tank.
For solving above-mentioned problem, the invention provides a kind of fuel tank, it possesses: oil filling port, gives prominence to from the fuel tank main body for receiving fluid, lid, is used for can being installed on above-mentioned oil filling port under the state that extraneous air is imported the first ventilating part in above-mentioned oil filling port in formation, and housing, above-mentioned lid can be loaded and unloaded on, wherein, above-mentioned housing possesses the sealing of cover main body and at least one ring-type, cover main body covers above-mentioned lid and above-mentioned oil filling port, the sealing of this ring-type is projecting to the inside from multiple positions of the short transverse of the above-mentioned cover main body of the part of the above-mentioned oil filling port of covering above-mentioned cover main body, the outer peripheral face of above-mentioned oil filling port is close to by allowing at least one sealing above-mentioned, the second ventilating part is formed between above-mentioned cover main body and above-mentioned oil filling port, the extraneous air that this second ventilating part is used for the peristome from above-mentioned cover main body to import imports above-mentioned first ventilating part around the rotation limit, axis limit of above-mentioned oil filling port.
In addition, the invention provides a kind of housing, it can be loaded and unloaded on the lid of fuel tank, this fuel tank possesses oil filling port and described lid, oil filling port is given prominence to from the fuel tank main body for receiving fluid, described cover formed for extraneous air is imported the first ventilating part in above-mentioned oil filling port state under can be installed on above-mentioned oil filling port, and above-mentioned housing possesses the sealing of cover main body and at least one ring-type, cover main body covers above-mentioned lid and above-mentioned oil filling port, the sealing of this ring-type is projecting to the inside from multiple positions of the short transverse of the above-mentioned cover main body of the part of the above-mentioned oil filling port of covering above-mentioned cover main body, the outer peripheral face of above-mentioned oil filling port is close to by allowing at least one sealing above-mentioned, the second ventilating part is formed between above-mentioned cover main body and above-mentioned oil filling port, the extraneous air that this second ventilating part is used for the peristome from above-mentioned cover main body to import imports above-mentioned first ventilating part around the rotation limit, axis limit of above-mentioned oil filling port.
According to the present invention, the blocking of ventilating part and dust can be suppressed to the intrusion both of these case in fuel tank.
Accompanying drawing explanation
Fig. 1 is the side sectional view of the fuel tank represented involved by the first embodiment of the present invention.
Fig. 2 (a) is the IIa-IIa line cutaway view of Fig. 1, and Fig. 2 (b) is the IIb-IIb cutaway view of Fig. 1.
The block diagram that Fig. 3 sees when being and observing fuel feeding housing from downside.
Fig. 4 is the partial enlarged drawing of Fig. 1.
Fig. 5 is the figure being launched by the inner peripheral surface of fuel feeding housing to represent.
Fig. 6 is the figure of the experimental result of the dust blocking effect represented for illustration of fuel feeding housing.
Fig. 7 is the figure suitable with Fig. 5 representing the second embodiment of the present invention.
Fig. 8 is the cutaway view representing existing oil-feed port structure.
Fig. 9 is the partial enlarged drawing of Fig. 8.
Detailed description of the invention
Referring to Fig. 1 to Fig. 7, embodiments of the present invention are described.And following embodiment is the example making the present invention specialize, and does not have the character limiting technical scope of the present invention.
In the following embodiments, the explanation of matching background technology, exemplified with the Fuel Tank being equipped on hydraulic excavator.
First embodiment (referring to figs. 1 through Fig. 6)
Fuel Tank 11 involved by first embodiment possesses: fuel tank main body 23, for receiving fuel (fluid); Oil filling port (oil-feed port) 12, for cylindric and outstanding and for supplying fuel in above-mentioned fuel tank main body 23 from the upper surface of above-mentioned fuel tank main body 23; For oil cap 13, be releasably installed on the top ends of above-mentioned oil filling port 12 by screw thread embedded structure etc.; And fuel feeding housing 15, be releasably installed on above-mentioned for oil cap 13.
Possess for oil cap 13: the perisporium 13b that can be embedded in the top ends of above-mentioned oil filling port 12 outward; Block the cap 13a of the peristome of above-mentioned perisporium 13b; And from the middle body of above-mentioned cap 13a to the reverse outstanding raised 13c of perisporium 13b.Under the above-mentioned state being installed on above-mentioned oil filling port 12 for oil cap 13, at above-mentioned oil filling port 12 and above-mentioned the first ventilating part 14 for forming L-shaped between oil cap 13, this first ventilating part 14 imports extraneous air for the peristome towards fuel tank main body 23 side from above-mentioned perisporium 13b in oil filling port 12.Specifically, air channel 13d is formed at the above-mentioned medial surface for oil cap 13 in the mode being across to cap 13a from above-mentioned perisporium 13b.By above-mentioned first ventilating part 14, the discrepancy of the air in the fuel tank main body 23 corresponding with the increase and decrease of fuel becomes possibility.Below, there is the situation that the effect of being come in and gone out in the above described manner by air is called drafting apparatus effect.
Above-mentioned fuel feeding housing 15 is formed by the elastomeric material of rubber or elastoplast etc.In addition, fuel feeding housing 15 by after be added to existing for oil cap 13.
Specifically, fuel feeding housing 15 possesses the sealing 17 of cover main body 16 and multiple ring-type, and cover main body 16 is for covering for oil cap 13 and oil filling port 12, and sealing 17 is projecting to the inside from multiple positions of the short transverse of this cover main body 16.
Cover main body 16 possesses lid covering part 16a and perisporium covering part 16b, and lid covering part 16a covers the circumference of the above-mentioned cap 13a for oil cap 13 from top, and perisporium covering part 16b is from the above-mentioned perisporium 13b for oil cap 13 of outer side covers.Above-mentioned lid covering part 16a is formed the through hole 16c for passing for the projection 13c of above-mentioned fuel feeding lid 13.Perisporium covering part 16b, to cross over the mode of the outer peripheral face of above-mentioned perisporium 13b and oil filling port 12, spreads all over whole side face centered by the axis of oil filling port 12 (straight line of the above-below direction) top from outer side covers perisporium 13b and oil filling port 12.
Above-mentioned multiple sealing 17 for forming the second ventilating part 20 between above-mentioned cover main body 16 and oil filling port 12, and this second ventilating part 20 imports above-mentioned first ventilating part 14 for the extraneous air imported by the peristome towards fuel tank main body 23 side from above-mentioned cover main body 16 around the rotation limit, axis limit of oil filling port 12.Specifically, as shown in Figure 4, the outstanding size L1 from above-mentioned perisporium covering part 16b of each sealing 17 is larger than the gap size L2 of outer peripheral face to the inner peripheral surface of above-mentioned perisporium covering part 16b from above-mentioned oil filling port 12 respectively.Therefore, as shown in Figure 4, under the state (top ends of sealing 17 to bend the state of the degree of package dimensions R1 along the direction of the axis being parallel with oil filling port 12) that the top ends of each sealing 17 wraps the outer peripheral face of oil filling port 12, sealing 17 can be made to be close to the outer peripheral face of oil filling port 12.In addition, each sealing 17 by spaced apart and arrange abreast along the axis direction of above-mentioned perisporium covering part 16b, thus forms air channel 18 between adjacent sealing 17.Further, the notch 19 for making adjacent air channel 18 be communicated with is formed respectively in a part for the circumference of each sealing 17.Further, the notch 19 mutually adjacent sealing 17 formed is formed on around the different position of the axis of above-mentioned perisporium covering part 16b (in the example shown, being formed in the position differing 90 ° around axis).Therefore, the extraneous air imported from the peristome of perisporium covering part 16b repeatedly carries out the rotation around the axis of oil filling port 12 and the movement along the length direction of oil filling port 12 and arrives the first ventilating part 14.That is, in the present embodiment, each sealing 17 is close to the outer peripheral face of oil filling port 12, thus between perisporium covering part 16b and oil filling port 12, form the second ventilating part 20 comprising above-mentioned air channel 18 and notch 19.Thus, via the first ventilating part 14 and the second ventilating part 20, allow the inside and outside gas circulation of fuel tank main body 23.And in the present embodiment, the axis around perisporium covering part 16b is formed at each sealing 17 respectively with 180 ° of spaced two notchs 19.
As mentioned above, in the first embodiment, the outer peripheral face of oil filling port 12 is close to by allowing multiple sealing 17, between perisporium covering part 16b and oil filling port 12, form the second ventilating part, this second ventilating part is used for the extraneous air that the peristome towards fuel tank main body 23 side from perisporium covering part 16b imports to import the first ventilating part 14 around the rotation limit, axis limit of oil filling port 12.Therefore, in above-mentioned Fuel Tank 11, while allowing the circulation of air by the first ventilating part 14 and the second ventilating part 20, the dust in the second ventilating part 20 blocks air can be utilized.Specifically, the second ventilating part 20, due to extraneous air is imported the first ventilating part 14 around the rotation limit, axis limit of oil filling port 12, can prevent the intrusion of dust by the labyrinth effect being barrier with sealing 17.
In addition, in the 1st embodiment, the second ventilating part 20 is formed in the outside of oil filling port 12.Therefore, it is possible to prevent the dust stopped by the second ventilating part 20 from falling in fuel tank main body.Specifically, the dust stopped by the second ventilating part 20, fall to the lower end side (fuel tank main body 23 side) of fuel feeding housing 15 in the outer fix of oil filling port 12 because of deadweight or vibration, and naturally discharge to the outside of perisporium covering part 16b via the second ventilating part 20.That is, different from the situation of certainly adding labyrinth structure for oil cap 13 with it, there is not the worry fallen in fuel tank main body 23 by the dust stopped.
Further, the fuel feeding housing 15 involved by the first embodiment can be loaded and unloaded on for oil cap 13.Therefore, by time fuel feeding housing 15 being dismantled lower cleaning from for oil cap 13, can neatly except the dust of attachment removal.
In like fashion, the drafting apparatus function for oil cap 13 based on the first ventilating part 14 can be guaranteed, and prevent blocking and dust being mixed into the fuel in fuel tank main body 23 of the dust in the first ventilating part 14 effectively.
Further, the fuel feeding housing 15 involved by above-mentioned first embodiment supplies oil cap 13 from outer side covers.Therefore, it is possible to be additional to the existing mode with the Fuel Tank for oil cap 13 and to tackle as required.
That is, only for the fuel tank used in the blocking of the first ventilating part 14 caused because dust is more or the dust scene high to the possibility be mixed in fuel tank main body 23, as selecting piece installing existing for this fuel feeding housing 15 additional on oil cap 13.
Therefore, compared with situation about changing for oil cap self, the aspect of cost, management becomes favourable.
In the first embodiment, be formed with multiple sealing 17, thus form air channel 18 between adjacent sealing 17, and form the notch 19 for making above-mentioned air channel 18 be communicated with on each sealing 17.Therefore, the extraneous air imported from the peristome of perisporium covering part 16b repeatedly carries out the movement of the rotation around the axis (horizontal direction) of oil filling port 12 and the length direction (above-below direction) along oil filling port 12 and arrives the first ventilating part 14.
Thus, due to multiple sealing 17 can be effectively utilized as barrier, therefore above-mentioned labyrinth effect can be improved.Therefore, it is possible to more effectively blocks dust.
In the first embodiment, the outstanding size L1 of sealing 17 is larger than the gap size L2 between oil filling port 12 and perisporium covering part 16b.Thus, under the state wrapping the outer peripheral face of oil filling port 12 in the top ends of sealing 17, sealing 17 can be made to be close to the outer peripheral face of oil filling port 12.That is, as shown in Figure 4, can, under the state of the top ends of sealing 17 along the degree of the bending package dimensions R1 in direction (upwardly-directed) of the axis being parallel with oil filling port 12, sealing 17 be made to be close to the outer peripheral face of oil filling port 12.Therefore, compared with the situation making the top ends of sealing 17 contact with the outer peripheral face of oil filling port 12 un-deviously, sealing effectiveness improves.Therefore, even tiny dust also can not be omitted, and can practical blocks dust chronically.
In the first embodiment, lid covering part 16a is possessed.Therefore, compared with the situation utilizing perisporium covering part 16b only to cover for the perisporium 13b of oil cap 13, can more stably fuel feeding housing 15 be installed on for oil cap 13.And in the first embodiment, lid covering part 16a only covers the circumference of cap 13a, but also can cover the entirety of cap 13a above above-mentioned projection 13c.
Fig. 6 represents the experimental result of the dust blocking effect relating to fuel feeding housing 15.
Prepare following by test body A to D.By test body A, fuel feeding housing 15 (being namely the existing oil-feed port structure of Fig. 8, Fig. 9) is not set.Test body B is provided with the fuel feeding housing without sealing 17.Test body C is provided with the fuel feeding housing 15 (the package dimensions R1 (with reference to Fig. 4) of the top ends of sealing 17 is set to 1.0mm) involved by the first embodiment.Be provided with the housing with sealing 17 by test body D, the top ends of sealing 17 is not close to the outer peripheral face (the package dimensions R1 of the top ends of sealing 17 is set to 0mm) of oil filling port 12 with wrapping up.For these by test body A to D, dust is made to block the accelerated test occurred artificially.Specifically, after the air intake fuel tank swum by dust, by vacuum pump with the air in the negative pressure sucking-off fuel tank of MAX3 liter/min, time pressure in fuel tank being reached-10.1KPa calculates into the duration of congestion of ventilating part.
Involved by first embodiment become by the duration of congestion of test body C without housing by about 11 times of test body A.According to these situations, known remarkable by the dust of test body C blocking preventing effectiveness.
In addition, can know clearly, although make sealing 17 not be close to the poor by test body C by the dust of test body D blocking preventing effectiveness ratio of oil filling port 12 with wrapping up, than high by test body A, B.
And, in figure 6, eliminate each by the label of the shade line of test body A to D and each several part.
Second embodiment (with reference to Fig. 7)
Below only the point different from the first embodiment is described.
Fuel feeding housing 15 involved by second embodiment has the sealing 21 for forming screw-shaped air channel 22 between perisporium covering part 16b and oil filling port 12 replacing above-mentioned multiple sealing 17.Specifically, sealing 21 is from a projecting to the inside ridge of perisporium covering part 16b.
In this second embodiment, screw-shaped air channel 22 forms the second ventilating part.The flowing of the air in the second ventilating part forms simple helical flow as shown in the drawing.
At this, dust takes advantage of above-mentioned helical flow in the second vent passage, move to the degree of depth to a certain degree, but sealing 21 forms barrier this point and the first embodiment is substantially unchanged.Therefore, enough effects can be obtained in the blocking prevented caused by the dust of the first ventilating part (not shown) and dust in the intrusion in fuel tank main body 23 (not shown).
But, in the respective embodiments described above, form the situation of the first ventilating part 14 exemplified with the air channel 13d by being formed at the L-shaped supplying oil cap 13 inner circumferential, but the first ventilating part 14 is not limited thereto.As long as the first ventilating part 14 is formed in between oil cap 13 and oil filling port 12, no matter then its shape.Further, what the fuel feeding housing 15 involved by above-mentioned embodiment can be applied to the formation contributing to the first ventilating part 14 like this supplies oil cap.
In addition, above-mentioned fuel feeding housing 15 the fuel tank that is suitable for be not limited to the Fuel Tank of hydraulic excavator.Such as, also fuel feeding housing 15 can be applied to the Fuel Tank of Other Engineering machinery.In addition, be not limited to Fuel Tank, various fuel tank can be applied to.
In addition, in above-mentioned detailed description of the invention, mainly comprise the invention with following structure.
Specifically, the invention provides a kind of fuel tank, it possesses: oil filling port, gives prominence to from the fuel tank main body for receiving fluid, lid, is used for can being installed on above-mentioned oil filling port under the state that extraneous air is imported the first ventilating part in above-mentioned oil filling port in formation, and housing, above-mentioned lid can be loaded and unloaded on, wherein, above-mentioned housing possesses the sealing of cover main body and at least one ring-type, cover main body covers above-mentioned lid and above-mentioned oil filling port, the sealing of this ring-type is projecting to the inside from multiple positions of the short transverse of the above-mentioned cover main body of the part of the above-mentioned oil filling port of covering above-mentioned cover main body, the outer peripheral face of above-mentioned oil filling port is close to by allowing at least one sealing above-mentioned, the second ventilating part is formed between above-mentioned cover main body and above-mentioned oil filling port, the extraneous air that this second ventilating part is used for the peristome from above-mentioned cover main body to import imports above-mentioned first ventilating part around the rotation limit, axis limit of above-mentioned oil filling port.
In addition, the invention provides a kind of housing, it can be loaded and unloaded on the lid of fuel tank, this fuel tank possesses oil filling port and described lid, oil filling port is given prominence to from the fuel tank main body for receiving fluid, described cover formed for extraneous air is imported the first ventilating part in above-mentioned oil filling port state under can be installed on above-mentioned oil filling port, and above-mentioned housing possesses the sealing of cover main body and at least one ring-type, cover main body covers above-mentioned lid and above-mentioned oil filling port, the sealing of this ring-type is projecting to the inside from multiple positions of the short transverse of the above-mentioned cover main body of the part of the above-mentioned oil filling port of covering above-mentioned cover main body, the outer peripheral face of above-mentioned oil filling port is close to by allowing at least one sealing above-mentioned, the second ventilating part is formed between above-mentioned cover main body and above-mentioned oil filling port, the extraneous air that this second ventilating part is used for the peristome from above-mentioned cover main body to import imports above-mentioned first ventilating part around the rotation limit, axis limit of above-mentioned oil filling port.
In the present invention, by the outer peripheral face allowing at least one sealing be close to oil filling port, between cover main body and oil filling port, form the second ventilating part, the extraneous air that this second ventilating part is used for the peristome from cover main body to import imports the first ventilating part around the rotation limit, axis limit of oil filling port.Therefore, in the fuel tank being provided with housing involved in the present invention, can while allowing the circulation of air by the first ventilating part and the second ventilating part, the dust in sharp second ventilating part blocks air.Specifically, the second ventilating part, can by taking sealing as the intrusion that the labyrinth effect of barrier prevents dust due to extraneous air is imported the first ventilating part around the rotation limit, axis limit of oil filling port.
In addition, in the present invention, the second ventilating part is formed in the outside of oil filling port.Therefore, it is possible to prevent the dust stopped by the second ventilating part from falling in fuel tank main body.Specifically, by the dust that the second ventilating part stops, fall to the lower end side (fuel tank main body side) of fuel feeding housing in the outer fix of oil filling port because of deadweight or vibration, and naturally discharge to the outside of cover main body via the second ventilating part.That is, different from the situation covering additional labyrinth structure with it certainly, there is not the worry fallen in fuel tank main body by the dust stopped.
Further, housing involved in the present invention can be loaded and unloaded on lid.Therefore, by by housing from the and cleaning of lid dismounting, the dust of attachment removal can be removed neatly.
In like fashion, the drafting apparatus function of the lid based on the first ventilating part can be guaranteed, and prevent the blocking of the dust in the first ventilating part and dust to the intrusion in fuel tank main body effectively.
Further, housing involved in the present invention is from outer side covers lid.Therefore, it is possible to be additional to the existing fuel tank with lid as required.
That is, only for the fuel tank used in the blocking of the first ventilating part caused because dust is more or the dust scene high to the possibility be mixed in fuel tank main body, housing can be added as selecting piece installing.
Therefore, compared with the situation covering self with replacing, the aspect of cost, management becomes favourable.
In above-mentioned housing, it is preferable that, the sealing of above-mentioned ring-type is formed multiple by the axis direction along above-mentioned cover main body at spaced intervals, thus air channel is formed between adjacent above-mentioned sealing, a part for the circumference of the sealing of above-mentioned multiple ring-type is formed notch for making adjacent above-mentioned air channel be communicated with respectively, the notch that the sealing of mutually adjacent above-mentioned ring-type is formed is formed on around the different position of the axis of above-mentioned cover main body, and above-mentioned second ventilating part comprises above-mentioned air channel and above-mentioned notch.
In this embodiment, be provided with multiple sealing, thus form air channel between adjacent sealing, and on each sealing, form the notch for making above-mentioned each air channel be communicated with.Therefore, the extraneous air imported from the peristome of cover main body repeatedly carries out the movement of the rotation around the axis of oil filling port and the length direction along oil filling port and arrives the first ventilating part.
Thus, due to multiple sealing can be effectively utilized as barrier, above-mentioned labyrinth effect can be improved.Therefore, it is possible to more effectively blocks dust.
In above-mentioned housing, it is preferable that, at least one sealing above-mentioned comprises at least one ridge, and this ridge is used for the screw-shaped air channel formed between above-mentioned cover main body and above-mentioned oil filling port as above-mentioned second ventilating part.
In this embodiment, at least one ridge for the formation of screw-shaped air channel is formed.Thus, the flowing of air becomes simple helical flow.
At this, dust take advantage of above-mentioned helical flow in the second vent passage mobile to a certain degree, but sealing forms barrier this point and above-mentioned embodiment is substantially unchanged.Therefore, it is possible to obtain prevent the dust of the first ventilating part from producing blocking and dust to enough effects of the intrusion in fuel tank.
In above-mentioned housing, it is preferable that, the outstanding size of the inner peripheral surface from above-mentioned cover main body of at least one sealing above-mentioned is than large to the gap size of the inner peripheral surface of above-mentioned cover main body from the outer peripheral face of above-mentioned oil filling port.
In the above-described embodiment, the outstanding size of sealing is larger than the gap size between oil filling port and cover main body.Thereby, it is possible to wrap the state (top ends of sealing is along the bending state in the direction of the axis being parallel with oil filling port) of the outer peripheral face of oil filling port in the top ends of sealing under, make sealing be close to the outer peripheral face of oil filling port.Therefore, compared with the situation making the top ends of sealing contact with the outer peripheral face of oil filling port un-deviously, sealing effectiveness improves.Therefore, even tiny dust also can not be omitted, and can practical blocks dust chronically.
In above-mentioned housing, above-mentioned lid has the cap of the perisporium that can be embedded in the top ends of above-mentioned oil filling port outward and the peristome blocking above-mentioned perisporium, above-mentioned cover main body possesses perisporium covering part, perisporium covering part is in the mode of the outer peripheral face of the perisporium and above-mentioned oil filling port of crossing over above-mentioned lid, spread all over whole side face centered by the axis of above-mentioned oil filling port from the above-mentioned perisporium of outer side covers and above-mentioned oil filling port, and be formed with the sealing of at least one ring-type above-mentioned.
According to above-mentioned embodiment, perisporium covering part to cross over the mode of the outer peripheral face of perisporium and the oil filling port covered from outer side covers perisporium and oil filling port, thus can form above-mentioned second ventilating part in the outside of oil filling port.
In above-mentioned housing, it is preferable that, above-mentioned cover main body also possesses the lid covering part at least partially of the cap for covering above-mentioned lid.
In this embodiment, lid covering part is also possessed.Therefore, with only covered by perisporium covering part lid perisporium situation compared with, more stably can be installed on lid.
In above-mentioned housing, under the state that above-mentioned first ventilating part is installed on above-mentioned oil filling port at above-mentioned lid, be arranged between above-mentioned lid and above-mentioned oil filling port, and from the peristome towards above-mentioned fuel tank main body side of above-mentioned lid, extraneous air can be imported in above-mentioned oil filling port.
In this embodiment, extraneous air can import in oil filling port from the peristome towards fuel tank main body side of lid by the first ventilating part.Thereby, it is possible to by the extraneous air imported by the second ventilating part by promptly importing in fuel tank main body between lid and oil filling port.
In addition, the invention provides a kind of fuel tank, this fuel tank possesses: give prominence to and oil filling port for supplying the fluid to the tubular in above-mentioned fuel tank main body from the fuel tank main body for receiving fluid; The lid that can be installed on above-mentioned oil filling port under the state that extraneous air is imported the first ventilating part in above-mentioned oil filling port is used in formation; And described housing, at least one sealing above-mentioned is made to be close to the outer peripheral face of above-mentioned oil filling port by allowing, between above-mentioned cover main body and above-mentioned oil filling port, form the second ventilating part, the extraneous air that this second ventilating part is used for the peristome from above-mentioned cover main body to import imports above-mentioned first ventilating part around the rotation limit, axis limit of above-mentioned oil filling port.
Further, the invention provides a kind of fuel tank, this fuel tank possesses: give prominence to and oil filling port for supplying the fluid to the tubular in above-mentioned fuel tank main body from the fuel tank main body for receiving fluid; The lid that can be installed on above-mentioned oil filling port under the state that extraneous air is imported the first ventilating part in above-mentioned oil filling port is used in formation; And described housing, the outstanding size of the inner peripheral surface from above-mentioned cover main body of at least one sealing above-mentioned is than large to the gap size of the inner peripheral surface of above-mentioned cover main body from the outer peripheral face of above-mentioned oil filling port.
Utilizability in industry
According to the present invention, the blocking of ventilating part and dust can be suppressed to the intrusion both of these case in fuel tank.
Nomenclature
L1 gives prominence to size
L2 gap size
11 Fuel Tanks (example of fuel tank)
12 oil filling ports
13 for oil cap (example of lid)
13a cap
13b perisporium
14 first ventilating parts
15 fuel feeding housings (example of housing)
16a lid covering part
16b perisporium covering part
17,21 sealings
18,22 air channels
19 notchs
20 second ventilating parts
23 fuel tank main bodies
Claims (12)
1. a fuel tank, is characterized in that, comprising:
Oil filling port, gives prominence to from the fuel tank main body for receiving fluid;
Lid, is used for can being installed on described oil filling port under the state that extraneous air is imported the first ventilating part in described oil filling port in formation; And
Housing, can be loaded and unloaded on described lid, wherein,
Described housing possesses the sealing of cover main body and multiple ring-type, this cover main body covers described lid and described oil filling port, the sealing of this ring-type is projecting to the inside from multiple positions of the short transverse of the described cover main body of the part of the described oil filling port of covering described cover main body
By the outer peripheral face allowing the sealing of described multiple ring-type be close to described oil filling port, the second ventilating part is formed between described cover main body and described oil filling port, the extraneous air that this second ventilating part is used for the peristome from described cover main body to import imports described first ventilating part around the rotation limit, axis limit of described oil filling port
The sealing of described multiple ring-type is formed at spaced intervals along the axis direction of described cover main body, thus forms air channel between adjacent described sealing,
A part for the circumference of the sealing of described multiple ring-type is formed notch for making adjacent described air channel be communicated with respectively,
The notch that the sealing of mutually adjacent described ring-type is formed is formed on around the different position of the axis of described cover main body,
Described second ventilating part comprises described air channel and described notch,
The outstanding size of the inner peripheral surface from described cover main body of the sealing of described multiple ring-type is than large to the gap size of the inner peripheral surface of described cover main body from the outer peripheral face of described oil filling port.
2. fuel tank according to claim 1, is characterized in that:
The sealing of described multiple ring-type comprises at least one ridge, for forming the screw-shaped air channel as described second ventilating part between described cover main body and described oil filling port.
3. fuel tank according to claim 1, is characterized in that:
Described lid possesses the cap of the perisporium that can be embedded in the top ends of described oil filling port outward and the peristome blocking described perisporium,
Described cover main body possesses perisporium covering part, this perisporium covering part spreads all over whole side face centered by the axis of described oil filling port from perisporium described in outer side covers and described oil filling port in the mode of the outer peripheral face of the perisporium and described oil filling port of crossing over described lid, and is formed with the sealing of described multiple ring-type.
4. fuel tank according to claim 3, is characterized in that:
Described cover main body also possesses the lid covering part at least partially of the cap for covering described lid.
5. fuel tank according to any one of claim 1 to 4, is characterized in that:
Under the state that described first ventilating part is installed on described oil filling port at described lid, be arranged between described lid and described oil filling port, and from the peristome towards described fuel tank main body side of described lid, extraneous air can be imported in described oil filling port.
6. a housing, the lid of fuel tank can be loaded and unloaded on, this fuel tank possesses oil filling port and lid, described oil filling port is given prominence to from the fuel tank main body for receiving fluid, described cover formed for extraneous air is imported the first ventilating part in described oil filling port state under can be installed on described oil filling port, the feature of described housing is to comprise:
Cover main body, covers described lid and described oil filling port; And
The sealing of multiple ring-type, projecting to the inside from multiple positions of the short transverse of the described cover main body of the part of the described oil filling port of covering described cover main body,
By the outer peripheral face allowing the sealing of described multiple ring-type be close to described oil filling port, the second ventilating part is formed between described cover main body and described oil filling port, the extraneous air that this second ventilating part is used for the peristome from described cover main body to import imports described first ventilating part around the rotation limit, axis limit of described oil filling port
The sealing of described multiple ring-type is formed at spaced intervals along the axis direction of described cover main body, thus forms air channel between adjacent described sealing,
A part for the circumference of the sealing of described multiple ring-type is formed notch for making adjacent described air channel be communicated with respectively,
The notch that the sealing of mutually adjacent described ring-type is formed is formed on around the different position of the axis of described cover main body,
Described second ventilating part comprises described air channel and described notch,
The outstanding size of the inner peripheral surface from described cover main body of the sealing of described multiple ring-type is than large to the gap size of the inner peripheral surface of described cover main body from the outer peripheral face of described oil filling port.
7. housing according to claim 6, is characterized in that:
The sealing of described multiple ring-type comprises at least one ridge, for forming the screw-shaped air channel as described second ventilating part between described cover main body and described oil filling port.
8. housing according to claim 6, is characterized in that,
Described lid comprises the cap of the peristome of perisporium and the described perisporium of blocking that can be embedded in the top ends of described oil filling port outward,
Described cover main body possesses perisporium covering part, this perisporium covering part spreads all over whole side face centered by the axis of described oil filling port from perisporium described in outer side covers and described oil filling port in the mode of the outer peripheral face of the perisporium and described oil filling port of crossing over described lid, and is formed with the sealing of described multiple ring-type.
9. housing according to claim 8, is characterized in that:
Described cover main body also possesses the lid covering part at least partially of the cap for covering described lid.
10. the housing according to any one of claim 6 to 9, is characterized in that:
Under the state that described first ventilating part is installed on described oil filling port at described lid, to be arranged between described lid and described oil filling port and from the peristome towards described fuel tank main body side of described lid, extraneous air can be imported in described oil filling port.
11. 1 kinds of fuel tanks, is characterized in that comprising:
Give prominence to and oil filling port for supplying the fluid to the tubular in described fuel tank main body from the fuel tank main body for receiving fluid;
The lid of described oil filling port can be installed under the state that the first ventilating part imported by extraneous air in described oil filling port is formed; And
Housing according to any one of claim 6 to 10, wherein,
By the outer peripheral face allowing the sealing of described multiple ring-type be close to described oil filling port, between described cover main body and described oil filling port, form the second ventilating part, the extraneous air that this second ventilating part is used for the peristome from described cover main body to import imports described first ventilating part around the rotation limit, axis limit of described oil filling port.
12. 1 kinds of fuel tanks, is characterized in that comprising:
Give prominence to and oil filling port for supplying the fluid to the tubular in described fuel tank main body from the fuel tank main body for receiving fluid;
The lid of described oil filling port can be installed under the state that the first ventilating part imported by extraneous air in described oil filling port is formed; And
Housing as claimed in claims 6 or 7, wherein,
The outstanding size of the inner peripheral surface from described cover main body of the sealing of described multiple ring-type is than large to the gap size of the inner peripheral surface of described cover main body from the outer peripheral face of described oil filling port.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-147409 | 2010-06-29 | ||
| JP2010147409A JP5223891B2 (en) | 2010-06-29 | 2010-06-29 | Tank oil filler structure and oil cap cover |
| PCT/JP2011/003606 WO2012001925A1 (en) | 2010-06-29 | 2011-06-23 | Cap cover, and tank equipped therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103038082A CN103038082A (en) | 2013-04-10 |
| CN103038082B true CN103038082B (en) | 2016-01-27 |
Family
ID=45401668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180032481.9A Active CN103038082B (en) | 2010-06-29 | 2011-06-23 | Housing and possess the fuel tank of this housing |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5223891B2 (en) |
| CN (1) | CN103038082B (en) |
| WO (1) | WO2012001925A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6107575B2 (en) * | 2013-09-27 | 2017-04-05 | 豊田合成株式会社 | Fuel supply system |
| JP7027900B2 (en) * | 2018-01-17 | 2022-03-02 | トヨタ自動車株式会社 | Receptacle caps and vehicles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156097A (en) * | 1996-01-23 | 1997-08-06 | 菲尔马·安德烈亚斯·斯蒂勒公司 | Sealing cover for oil filling orifice of fuel tank |
| CN1415522A (en) * | 2001-11-02 | 2003-05-07 | 本田技研工业株式会社 | Case cover |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623133Y2 (en) * | 1977-08-22 | 1981-05-30 | ||
| JPS54173860U (en) * | 1978-05-26 | 1979-12-08 | ||
| JPS6235487Y2 (en) * | 1980-05-27 | 1987-09-09 | ||
| JPH072282Y2 (en) * | 1989-01-30 | 1995-01-25 | トヨタ自動車株式会社 | Fuel tank cap cover |
| JPH02124720U (en) * | 1989-03-23 | 1990-10-15 | ||
| JPH09290854A (en) * | 1996-04-23 | 1997-11-11 | Hitachi Constr Mach Co Ltd | Air breather |
-
2010
- 2010-06-29 JP JP2010147409A patent/JP5223891B2/en active Active
-
2011
- 2011-06-23 WO PCT/JP2011/003606 patent/WO2012001925A1/en active Application Filing
- 2011-06-23 CN CN201180032481.9A patent/CN103038082B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156097A (en) * | 1996-01-23 | 1997-08-06 | 菲尔马·安德烈亚斯·斯蒂勒公司 | Sealing cover for oil filling orifice of fuel tank |
| CN1415522A (en) * | 2001-11-02 | 2003-05-07 | 本田技研工业株式会社 | Case cover |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012011806A (en) | 2012-01-19 |
| JP5223891B2 (en) | 2013-06-26 |
| CN103038082A (en) | 2013-04-10 |
| WO2012001925A1 (en) | 2012-01-05 |
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