CN214396406U - Safe sealed high-strength light automobile oil filling pipe assembly - Google Patents
Safe sealed high-strength light automobile oil filling pipe assembly Download PDFInfo
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- CN214396406U CN214396406U CN202120508839.1U CN202120508839U CN214396406U CN 214396406 U CN214396406 U CN 214396406U CN 202120508839 U CN202120508839 U CN 202120508839U CN 214396406 U CN214396406 U CN 214396406U
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Abstract
The utility model discloses a safe sealing high-strength lightweight automobile oil filling pipe assembly, which comprises an oil filling pipe and an air return pipe which are all provided with complex space trends; one end of the oil filling pipe is formed with a straight pipe section, the front section of the straight pipe section is coaxially expanded to form an oil filling end, an oil filling sleeve is welded and installed in a port of the oil filling end by adopting a silicon bronze welding technology, the lower part of the oil filling sleeve is reduced in diameter to form an anti-overflow sleeve for preventing fuel oil from overflowing during oil filling, and an oil filling port which can enable a gun head of an oil filling gun to extend into the oil filling end is formed in the bottom surface of the anti-overflow sleeve; the oil filling sleeve and the straight pipe section are coaxially arranged, and the oil filling port and the straight pipe section are eccentrically arranged; the outer peripheral surface of the oil filling end is coated with a plastic protective sleeve at the position welded with the oil filling sleeve, and the air outlet end of the air return pipe is welded and communicated with the oil filling end of the oil filling pipe. The utility model discloses the concentricity is high, refuel smoothly to can combine the oil tank carbon tank to use, reduce the emission of hydrocarbon molecule when refueling.
Description
Technical Field
The utility model belongs to the technical field of vehicle accessory's technique and specifically relates to a safe sealed high strength lightweight car adds oil pipe assembly especially uses and adds oil pipe assembly on adding the oil tank.
Background
The oil tank of car is used for saving the fuel, and in order to make things convenient for the sealed of oil tank, the fuel tank mouth of oil tank all can install dedicated oil filler pipe assembly. The conventional oil filling pipe assembly generally comprises an oil filling pipe and an exhaust pipe, but the oil filling end of the oil filling pipe is often abraded when the oil filling pipe assembly is assembled with an oil tank, so that the sealing performance is reduced, and the running safety of a vehicle is seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problem to the current situation of above-mentioned prior art, and provide and refuel smoothly, the concentricity is high, a safe sealing high strength lightweight car that sealing performance is good adds oil pipe assembly.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the safe sealing high-strength light automobile oil filling pipe assembly comprises an oil filling pipe and an air return pipe which both have complicated space trends; one end of the oil filling pipe is formed with a straight pipe section, the front section of the straight pipe section is coaxially expanded to form an oil filling end, an oil filling sleeve is welded and installed in a port of the oil filling end by adopting a silicon bronze welding technology, the lower part of the oil filling sleeve is reduced in diameter to form an anti-overflow sleeve for preventing fuel oil from overflowing during oil filling, and an oil filling port which can enable a gun head of an oil filling gun to extend into the oil filling end is formed in the bottom surface of the anti-overflow sleeve; the oil filling sleeve and the straight pipe section are coaxially arranged, and the oil filling port and the straight pipe section are eccentrically arranged; the outer peripheral surface of the oil filling end is coated with a plastic protective sleeve at the position welded with the oil filling sleeve, and the air outlet end of the air return pipe is welded and communicated with the oil filling end of the oil filling pipe.
In order to optimize the technical scheme, the specific measures adopted further comprise:
double-thread threads for screwing the oil tank cover by rotating 90 degrees are symmetrically roll-formed in the sleeve opening of the oil filling sleeve, and the eccentric distance between the oil filling opening and the straight pipe section is 5 mm.
The periphery of the oiling end is provided with a circle of anti-falling convex ribs which are wrapped and molded in the plastic protective sleeve and used for preventing the plastic protective sleeve from moving axially, and the joint surface of the oiling end and the plastic protective sleeve is also provided with a knurl used for improving the joint force of the oiling end and the plastic protective sleeve.
A throttle valve used for guaranteeing the exhaust stability during refueling is positioned and installed at the position, close to the air outlet end, of the air return pipe.
The mounting support used for positioning the space trend of the oil filling pipe and the gas return pipe and facilitating assembly installation is welded between the oil filling pipe and the gas return pipe and comprises a middle mounting support and a tail mounting support.
A wire harness support for facilitating binding and positioning of the signal wire is welded on the oil filling pipe.
The port of the oil outlet end of the oil filling pipe is provided with a connecting convex nozzle with an anti-dropping convex ring, and the outer peripheral surface of the oil outlet end close to the connecting convex nozzle is further provided with an annular convex ring in a rolling forming mode.
The port of the air inlet end of the air return pipe is formed with an arc-shaped connecting nozzle which is conveniently and smoothly sleeved with the hose, and the outer peripheral surface of the air inlet end close to the arc-shaped connecting nozzle is also provided with an annular convex rib.
Compared with the prior art, the utility model discloses a straight tube section with filling oil pipe of oiling cover is concentric setting, and the oil filler hole of oiling cover bottom then is eccentric settings with the straight tube section, and this kind of structure that sets up can make the rifle head that stretches into in the filling oil end just to the center of straight tube section to smooth and easy nature when can guaranteeing to refuel prevents that the fuel from returning and chocks. The utility model discloses it has the plastics lag still to mould on the outer peripheral face of end of refueling, and the plastics lag not only can protect the end of refueling, but also can improve the leakproofness when refueling pipe assembly assembles with the oil tank.
The utility model discloses the concentricity is high, refuel smoothly to can combine the oil tank carbon tank to use, reduce the emission of hydrocarbon molecule when refueling.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a schematic structural view from another angle of the present invention;
FIG. 3 is a sectional view in the direction A-A of FIG. 1;
fig. 4 is a cross-sectional view of the air outlet end of the air return pipe of the present invention;
FIG. 5 is a sectional view in the direction B-B in FIG. 2;
fig. 6 is a sectional structural view in the direction of C-C in fig. 1.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 6 are structural schematic diagrams of the present invention.
Wherein the reference numerals are: the anti-overflow device comprises an oil filling opening K, an anti-falling convex rib T, an oil filling pipe 1, a straight pipe section 11, an oil filling end 12, a connecting convex nozzle 13, an anti-falling convex ring 14, an annular convex ring 15, an air return pipe 2, an arc-shaped connecting nozzle 21, an annular convex rib 22, an oil filling sleeve 3, a double-thread 3a, an anti-overflow sleeve 31, a plastic protecting sleeve 4, a throttle valve 5, a middle mounting bracket 61, a tail mounting bracket 62 and a wire harness bracket 7.
As shown in fig. 1 to 6, the utility model discloses a safe sealed high strength lightweight car adds oil pipe assembly, including all having the oil pipe 1 and returning the trachea 2 that complicated space moves towards the form, add oil pipe 1 and return trachea 2 and all adopt galvanized steel pipe processing to make. One end of the oil filling pipe 1 is formed with a straight pipe section 11, the front section of the straight pipe section 11 is formed with an oil filling end 12 through secondary diameter expansion, the oil filling end 12 is coaxial with the straight pipe section 11, and the port of the oil filling end 12 is turned outwards to form an arc surface for sealing, positioning and matching with the annular conical surface at the bottom of the oil tank cover. The port of the refueling end 12 is welded and installed with a refueling sleeve 3 by adopting a full-automatic robot silicon bronze brazing technology, the lower part of the refueling sleeve 3 is reduced in diameter to form an anti-overflow sleeve 31 for preventing fuel oil from overflowing during refueling, and the bottom surface of the anti-overflow sleeve 31 is formed with a refueling port K which can enable the gun head of a refueling gun to extend into the refueling end 12. As can be clearly seen from FIG. 3, the oil filling sleeve 3 and the straight pipe section 11 of the present invention are coaxially disposed, and the oil filling opening K and the straight pipe section 11 are eccentrically disposed. Therefore, when the oil is added, after the gun head of the oil gun extends into the oil adding end 12 from the oil adding port K, the gun head of the oil gun just can be over against the axis of the straight pipe section 11, and therefore smoothness in oil adding can be guaranteed. The utility model discloses it has plastic protection cover 4 still to wrap on the outer peripheral face of filler end 12, and plastic protection cover 4's package is moulded the position and is welded the position department that has filler sleeve 3 at filler end 12.
As shown in fig. 3, an anti-overflow cavity with a gradually enlarged downward opening is formed between the anti-overflow sleeve 31 and the inner wall of the oil filling end 12, and the air outlet end of the air return pipe 2 is welded and communicated with the oil filling end 12 of the oil filling pipe 1 and is located in the anti-overflow cavity. The oil gas discharged from the gas return pipe 2 can be brought into the oil tank under the action of negative pressure generated by refueling, so that oil gas circulation is realized. The utility model discloses an add oil pipe assembly into six oil pipe assemblies in Chery T11 state, six oil pipe in state add oil pipe and are an environment-friendly oil pipe, and it mainly embodies in two aspects: one is that the emission of hydrocarbon molecules can be reduced or prevented when the automobile is refueled. And secondly, a negative pressure is formed in the process of refueling by combining a carbon tank of the oil tank, oil gas is circularly adsorbed by the carbon tank to be utilized, and waste gas after oil gas adsorption is filtered by the ash rate and then is discharged into the atmosphere.
In the embodiment, the utility model discloses a symmetry roll forming has the double thread 3a that is used for making the rotatory 90 degrees of fuel tank cap can screw up in the tang of fuel filler sleeve 3, and the eccentric distance of fuel filler hole K and straight tube section 11 is 5 millimeters. The utility model discloses double thread 3a roll forming can improve the convenience of processing on refuel cover 3, and double thread 3a makes the fuel tank cap only need rotate 90 degrees and can screw or unscrew.
In order to improve the fastness that plastic protection cover 4 and filling end 12 are connected, the utility model discloses roll forming has the annular knurl on the face of being connected of filling end 12 and plastic protection cover 4. The knurl increases the frictional resistance between the oiling end 12 and the plastic sheath 4, so that the plastic sheath 4 can bear a certain torque. The utility model discloses processing has the annular knurl when on refuel end 12, and roll forming has the round to wrap the protruding muscle T of anticreep of moulding in plastic protection cover 4 on still the outer peripheral face of refuel end 12, and the protruding muscle T of anticreep can prevent plastic protection cover 4 effectively and refuel end 12 axial displacement relatively.
In the embodiment as shown in fig. 4, the throttle valve 5 is installed near the air outlet end in the air return pipe 2, and the throttle valve 5 is used for guaranteeing the stability of air exhaust when refueling.
Because the utility model discloses an add oil pipe 1 and return gas pipe 2 and all have complicated space and move towards the form, consequently in order to make things convenient for the installation of adding the oil pipe assembly and add the oil pipe 1 and return gas pipe 2 the fixing of mutual position between the two. The utility model discloses welded mounting has the installing support that can fix a position both spatial position between oil pipe 1 and return gas pipe 2, and this installing support includes installing support 61 and a afterbody installing support 62 in the middle of one. The rear mounting bracket 62 is welded at the rear position of the two, and the middle mounting bracket 61 is positioned at the middle position of the two.
The utility model discloses an it has the wire harness support 7 that is used for making things convenient for the signal line ligature location still to weld on the oil pipe 1.
As shown in fig. 5, the port of the oil outlet end of the oil filling pipe 1 of the present invention is provided with a connection nipple 13 having an anti-separation protrusion ring 14, and the oil outlet end is further roll-formed with an annular protrusion ring 15 on the outer peripheral surface near the connection nipple 13.
As shown in fig. 6, the port of the inlet end of the return air pipe 2 of the present invention is formed with an arc-shaped connector 21 which is conveniently and smoothly sleeved with a hose, and the outer peripheral surface of the inlet end near the arc-shaped connector 21 is further processed with an annular convex rib 22.
The utility model discloses in relate to the welded part and all adopt full-automatic robot silicon bronze welding technique welding, welding rear surface powder spraying handles, and the coating thickness is greater than 40 um.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.
Claims (8)
1. The safe sealing high-strength light automobile oil filling pipe assembly comprises an oil filling pipe (1) and a gas return pipe (2) which are both provided with complex space trends; the method is characterized in that: one end of the oil filling pipe (1) is formed with a straight pipe section (11), the front section of the straight pipe section (11) is coaxially expanded to form an oil filling end (12), an oil filling sleeve (3) is welded and installed in a port of the oil filling end (12) by adopting a silicone bronze welding technology, the lower part of the oil filling sleeve (3) is reduced in diameter to form an anti-overflow sleeve (31) for preventing fuel oil from overflowing during oil filling, and an oil filling port (K) which can enable a gun head of an oil filling gun to extend into the oil filling end (12) is formed in the bottom surface of the anti-overflow sleeve (31); the oil filling sleeve (3) and the straight pipe section (11) are coaxially arranged, and the oil filling port (K) and the straight pipe section (11) are eccentrically arranged; the outer peripheral surface of the oil filling end (12) is coated with a plastic protective sleeve (4) at the position welded with the oil filling sleeve (3), and the air outlet end of the air return pipe (2) is welded and communicated with the oil filling end (12) of the oil filling pipe (1).
2. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 1, wherein: the double-thread oil tank cap is characterized in that double-thread threads (3a) which can be screwed up by rotating the oil tank cap by 90 degrees are symmetrically roll-formed in the sleeve opening of the oil filling sleeve (3), and the eccentric distance between the oil filling opening (K) and the straight pipe section (11) is 5 mm.
3. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 2, wherein: the anti-dropping convex rib is characterized in that a circle of anti-dropping convex ribs (T) which are wrapped and molded in the plastic protecting sleeve (4) and used for preventing the plastic protecting sleeve (4) from moving axially are formed on the peripheral surface of the oiling end (12) in a rolling molding mode, and knurls used for improving the joint force of the oiling end (12) and the plastic protecting sleeve (4) are further formed on the connecting surface of the oiling end (12) and the plastic protecting sleeve (4).
4. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 3, wherein: and a throttle valve (5) used for ensuring the exhaust stability during refueling is positioned and mounted in the gas return pipe (2) at the position close to the gas outlet end.
5. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 4, wherein: the assembly is characterized in that a mounting bracket for positioning the space trend of the oil filling pipe (1) and the gas return pipe (2) and facilitating assembly installation is welded between the oil filling pipe and the gas return pipe, and the mounting bracket comprises a middle mounting bracket (61) and a tail mounting bracket (62).
6. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 5, wherein: and a wire harness support (7) for facilitating binding and positioning of the signal wire is welded on the oil filling pipe (1).
7. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 6, wherein: the port of the oil outlet end of the oil filling pipe (1) is provided with a connecting convex nozzle (13) with an anti-falling convex ring (14), and the outer peripheral surface of the oil outlet end close to the connecting convex nozzle (13) is further provided with an annular convex ring (15) in a rolling forming mode.
8. The safe sealing high strength lightweight automotive fuel filler tube assembly of claim 7, wherein: an arc-shaped connecting nozzle (21) which is convenient to smoothly sleeve with a hose is formed at the port of the air inlet end of the air return pipe (2), and an annular convex rib (22) is further processed on the outer peripheral surface of the air inlet end close to the arc-shaped connecting nozzle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508839.1U CN214396406U (en) | 2021-03-10 | 2021-03-10 | Safe sealed high-strength light automobile oil filling pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508839.1U CN214396406U (en) | 2021-03-10 | 2021-03-10 | Safe sealed high-strength light automobile oil filling pipe assembly |
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| Publication Number | Publication Date |
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| CN214396406U true CN214396406U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120508839.1U Active CN214396406U (en) | 2021-03-10 | 2021-03-10 | Safe sealed high-strength light automobile oil filling pipe assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721615A (en) * | 2021-03-10 | 2021-04-30 | 宁波舜江汽车部件制造有限公司 | Safe sealed high-strength light automobile oil filling pipe assembly |
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2021
- 2021-03-10 CN CN202120508839.1U patent/CN214396406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721615A (en) * | 2021-03-10 | 2021-04-30 | 宁波舜江汽车部件制造有限公司 | Safe sealed high-strength light automobile oil filling pipe assembly |
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