CN210126436U - Novel automobile fuel tank - Google Patents
Novel automobile fuel tank Download PDFInfo
- Publication number
- CN210126436U CN210126436U CN201920925932.5U CN201920925932U CN210126436U CN 210126436 U CN210126436 U CN 210126436U CN 201920925932 U CN201920925932 U CN 201920925932U CN 210126436 U CN210126436 U CN 210126436U
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- flange
- oil pump
- mounting
- fuel tank
- oil
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Abstract
A novel automobile fuel tank comprises a fuel tank body, a welding flange, a mounting flange and an oil pump, wherein the fuel tank body is provided with an oil pump mounting hole and an oil inlet hole; the welding flange is welded on the oil pump mounting hole; an oil inlet pipe is integrally formed on the oil inlet hole and the oil tank body; the welding flange and the welding flange are integrally formed with a plurality of L-shaped fixed back-off buttons along the circumferential direction of the welding flange; one end of each fixed reverse buckle is provided with a square convex block which is integrally formed with the welding flange; the mounting flange is provided with a plurality of reverse buckling clamping holes along the circumferential direction; the number of the inverted buckle holes is the same as that of the fixed inverted buckles; an oil pump flange of the oil pump covers the welding flange hole; the mounting flange passes through back-off card hole with the matching fixed mounting of fixed back-off in the top of the oil pump flange of oil pump. The utility model discloses simple structure, simple to operate, the leakproofness is good, can effectively prevent that the fuel from leaking.
Description
Technical Field
The utility model relates to a car oil tank technical field specifically is a novel car fuel tank.
Background
The installation of the automobile fuel pump in the fuel tank needs a mounting flange to prevent fuel or fuel vapor from leaking out of the fuel tank after the fuel pump is installed. The common method is to adopt bolt connection or screw thread screwing, but the bolt or screw thread screwing is easy to generate fuel steam leakage, causes environmental pollution, even causes fire, influences the safety performance of the whole vehicle, and even threatens the life safety of a driver in serious cases.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of existence among the prior art, provide a novel car fuel tank, when having solved among the prior art oil pump mounting flange and directly adopting bolt or threaded connection, produce fuel steam easily and leak, influence the problem of whole car security performance.
In order to realize the purpose, the utility model discloses a technical scheme be:
a novel automobile fuel tank comprises a fuel tank body, a welding flange, a mounting flange and an oil pump, wherein the fuel tank body is provided with an oil pump mounting hole and an oil inlet hole; the welding flange is welded on the oil pump mounting hole in a sealing manner; an oil inlet pipe is integrally formed on the oil inlet hole and the oil tank body; the welding flange and the welding flange are integrally formed with a plurality of L-shaped fixed back-off buttons along the circumferential direction of the welding flange; the mounting flange is provided with a plurality of reverse buckling clamping holes along the circumferential direction; the number of the inverted buckle holes is the same as that of the fixed inverted buckles; an oil pump flange of the oil pump covers the oil pump mounting hole; the mounting flange is fixedly mounted above an oil pump flange of the oil pump through the matching of the inverted buckle clamping hole and the fixed inverted buckle; the mounting flange, an oil pump flange of the oil pump and the welding flange are in interference fit; and a sealing ring is adopted for sealing between an oil pump flange and a welding flange of the oil pump.
Furthermore, a plurality of limiting grooves are formed in the edge of the mounting flange along the circumferential direction of the mounting flange; and a square bump which is integrally formed with the mounting flange is arranged in each limiting groove.
Furthermore, the clamping surface of the fixed reverse buckle is of a wave-shaped structure; a plurality of clamping bosses are arranged on the end surface of the mounting flange facing the fixed reverse-buckling clamping surface; the number of the clamping bosses is equal to that of the fixing reverse buckles; the clamping boss is clamped in the fixed reverse buckle.
Further, the number of the fixing reverse buckles is 6-8.
This novel automobile fuel tank, through the cooperation between the welding flange on mounting flange and the oil tank body, with oil pump fixed mounting in between welding flange and the mounting flange, and be the interference match between oil pump flange, the welding flange of oil pump and the mounting flange, adopt the sealing ring sealed between oil pump flange of oil pump and the welding flange, sealing performance is good, can not produce the fuel and leak, has improved the security performance of whole car.
This novel automobile fuel tank sets up to the wave through the joint face with fixed back-off, and offers the joint boss that matches with fixed back-off at mounting flange, and after mounting flange installed well on welding flange, rotatory mounting flange made the joint boss card go into in the joint face of fixed back-off, has guaranteed the stability of the location between mounting flange and the welding flange. The oil pump flange is convenient to detach and mount, the positioning stability between the mounting flange and the welding flange is guaranteed, and the sealing performance between the oil pump flange and the welding flange of the oil pump is guaranteed.
The utility model discloses simple structure, simple to operate, location are stable, and the installation leakproofness between oil pump and the oil tank is good, can prevent effectively that the fuel vapor's in the oil tank from leaking, have improved whole security performance, have ensured driver's the security of the lives and property.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a detailed view of the assembly of the structures at the welding flange of the present invention;
FIG. 3 is a schematic structural view of an oil pump mounting hole and an oil inlet hole on an oil tank;
FIG. 4 is a schematic view of an assembly structure between a mounting flange and a welding flange;
FIG. 5 is a schematic structural view of a mounting flange;
in the figure: 1. the oil tank body, 2, welding flange, 3, mounting flange, 4, oil pump, 5, oil pump mounting hole, 6, inlet port, 7, advance oil pipe, 8, fixed back-off, 9, square convex block, 10, back-off card hole, 11, oil pump flange, 12, spacing recess, 13, joint boss.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The novel automobile fuel tank shown in fig. 1-5 comprises a fuel tank body 1, a welding flange 2, a mounting flange 3 and an oil pump 4, wherein the fuel tank body 1 is provided with an oil pump mounting hole 5 and an oil inlet hole 6; the welding flange 2 is welded on the oil pump mounting hole 5 in a sealing manner; an oil inlet pipe 7 is integrally formed on the oil inlet hole 6 and the oil tank body 1; the welding flange 2 and the welding flange 2 are integrally formed with a plurality of L-shaped fixing inversed buckles 8 along the circumferential direction of the welding flange; the mounting flange 3 is provided with a plurality of reverse buckling clamping holes 10 along the circumferential direction; the number of the inverted buckle clamping holes 10 is the same as that of the fixed inverted buckles 8; the oil pump flange 11 of the oil pump 4 covers the oil pump mounting hole 5; the mounting flange 3 is fixedly mounted above an oil pump flange 11 of the oil pump 4 through the matching of the inverted buckle clamping hole 10 and the fixed inverted buckle 8; the mounting flange 3, the oil pump flange 11 of the oil pump 4 and the welding flange 2 are in interference fit; the oil pump flange 11 of the oil pump 4 and the welding flange 2 are sealed by a sealing ring, so that the sealing performance is good; the number of the fixed reverse buckles 8 is 6-8.
In order to facilitate the assembly and disassembly of the mounting flange 3, a plurality of limiting grooves 12 are formed in the edge of the mounting flange 3 along the circumferential direction of the mounting flange, and a square bump 9 integrally formed with the mounting flange 3 is arranged in each limiting groove 12; for improving mounting flange 3 with the stability of location between welding flange 2, the joint face of fixed back-off 8 is the wave structure, mounting flange 3 orientation be equipped with several joint boss 13 on the terminal surface of the joint face of fixed back-off 8, the quantity of joint boss 13 with the quantity of fixed back-off 8 equals, 13 blocks of joint boss are gone into in the fixed back-off 8.
This novel automobile fuel tank, through the cooperation between the welding flange 2 on mounting flange 3 and the oil tank body 1, with oil pump 4 fixed mounting in between welding flange 2 and the mounting flange 3, and be interference fit between oil pump flange 11 of oil pump 4, welding flange 2 and the mounting flange 3, adopt the sealing ring sealed between oil pump flange 11 of oil pump 4 and the welding flange 2, sealing performance is good, can not produce the fuel and leak, has improved the security performance of whole car.
This novel automobile fuel tank sets up to the wave through the joint face with fixed back-off 8, and sets up the joint boss 13 that matches with fixed back-off 8 on mounting flange 3, after mounting flange 3 has installed on welding flange 2, rotatory mounting flange 3 makes 13 cards of joint boss go into in the joint face of fixed back-off 8, has guaranteed the stability of the location between mounting flange 3 and welding flange 2. When the oil pump 4 is convenient to detach and mount, the positioning stability between the mounting flange 3 and the welding flange 2 is ensured, and the sealing performance between the oil pump flange 11 of the oil pump 4 and the welding flange 2 is also ensured.
The utility model discloses when the installation, cover oil pump flange 11 of oil pump 4 on welded flange 2's flange hole earlier, then with the back-off card hole 10 of seting up on mounting flange 3 align fixed back-off 8 on welded flange 2 and arrange mounting flange 3 in welded flange 2, at last through 9 fixed back-off 8 card income back-off card hole 10 joint departments of square boss 3 messenger of rotating mounting flange, the joint boss 13 card on mounting flange 2 goes into in the wave joint face of fixed back-off 8 simultaneously, accomplish the installation of oil pump 4 on oil tank body 1.
The utility model discloses simple structure, simple to operate, location are stable, and the installation leakproofness between oil pump and the oil tank is good, can prevent effectively that the fuel vapor's in the oil tank from leaking, have improved whole security performance, have ensured driver's the security of the lives and property.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations may be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (4)
1. A novel automobile fuel tank is characterized by comprising a fuel tank body (1), a welding flange (2), a mounting flange (3) and an oil pump (4), wherein the fuel tank body (1) is provided with an oil pump mounting hole (5) and an oil inlet hole (6); the welding flange (2) is welded on the oil pump mounting hole (5) in a sealing mode; an oil inlet pipe (7) is integrally formed on the oil inlet hole (6) and the oil tank body (1); the welding flange (2) and the welding flange (2) are integrally formed with a plurality of L-shaped fixed reverse buckles (8) along the circumferential direction of the welding flange; the mounting flange (3) is provided with a plurality of inverted buckle clamping holes (10) along the circumferential direction; the number of the inverted buckle clamping holes (10) is the same as that of the fixed inverted buckles (8); an oil pump flange (11) of the oil pump (4) covers the oil pump mounting hole (5); the mounting flange (3) is fixedly mounted above an oil pump flange (11) of the oil pump (4) through the matching of the inverted buckle clamping hole (10) and the fixed inverted buckle (8); the mounting flange (3), an oil pump flange (11) of the oil pump (4) and the welding flange (2) are in interference fit; and a sealing ring is adopted for sealing between an oil pump flange (11) of the oil pump (4) and the welding flange (2).
2. The novel automobile fuel tank as claimed in claim 1, wherein a plurality of limiting grooves (12) are formed in the edge of the mounting flange (3) along the circumferential direction; and a square bump (9) which is integrally formed with the mounting flange (3) is arranged in each limiting groove (12).
3. The novel automobile fuel tank as claimed in claim 1, wherein the clamping surface of the fixing reverse buckle (8) is of a wave-shaped structure; a plurality of clamping bosses (13) are arranged on the end surface of the mounting flange (3) facing the clamping surface of the fixed reverse buckle (8); the number of the clamping bosses (13) is equal to that of the fixing reverse buckles (8); the clamping boss (13) is clamped in the fixed reverse buckle (8).
4. A new type of fuel tank for motor vehicles according to any one of claims 1-3, characterized by the fact that the number of said fixed undercuts (8) is 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925932.5U CN210126436U (en) | 2019-06-19 | 2019-06-19 | Novel automobile fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925932.5U CN210126436U (en) | 2019-06-19 | 2019-06-19 | Novel automobile fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210126436U true CN210126436U (en) | 2020-03-06 |
Family
ID=69664366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920925932.5U Active CN210126436U (en) | 2019-06-19 | 2019-06-19 | Novel automobile fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210126436U (en) |
-
2019
- 2019-06-19 CN CN201920925932.5U patent/CN210126436U/en active Active
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