CN216332457U

CN216332457U - Motorcycle fuel tank capable of preventing overflow

Info

Publication number: CN216332457U
Application number: CN202121585395.8U
Authority: CN
Inventors: 颜晓瑞
Original assignee: Jiangmen Hongke Auto Parts Co ltd
Current assignee: Jiangmen Hongke Auto Parts Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-04-19
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a prevent motorcycle fuel tank of overflow, including the oil tank box, the roof integrated into one piece of oil tank box has the internal thread pipe, and the oil tank box has anti-overflow mechanism through internal thread pipe thread connection, anti-overflow mechanism includes anti-overflow core, expanding spring and the anti-overflow cover body, the oil inlet that is down the bowl mouth form is seted up at the top of the anti-overflow cover body, the anti-overflow core passes through expanding spring sliding connection in the inside of the anti-overflow cover body, and the anti-overflow core can rely on expanding spring's elasticity to seal the oil inlet, the anti-overflow cover body is the tubular structure that two are linked together. Can completely cut off the inside petrol of oil tank box and fuel tank cap, and then reduce the risk. Two seals are formed inside the anti-overflow sleeve body to prevent gasoline from overflowing.

Description

Motorcycle fuel tank capable of preventing overflow

Technical Field

The utility model relates to the technical field of motorcycles, in particular to a motorcycle oil tank for preventing overflow.

Background

Motorcycles are two-wheeled or three-wheeled vehicles driven by gasoline engines and steered by steering front wheels by handlebars, are light, flexible and fast to drive, are widely used for patrol, passenger and cargo transportation and the like, and are also used as sports equipment, and in a large direction, motorcycles are divided into street cars, road racing motorcycles, off-road motorcycles, cruise cars, station wagons and the like.

To present motorcycle oil tank, the top of its oil tank is provided with the oil inlet, and its oil inlet is sealed often only adopts the oil tank lid with oil tank box looks spiro union to seal, in long-time use, because the frequent opening and closing of oil tank lid can lead to its screw thread clearance to increase, and then can lead to petrol to spill over when jolting the travel in-process of road conditions or motorcycle emptys, light person causes the wasting of resources, heavy person easily causes the conflagration to cause the incident, provide a motorcycle oil tank who prevents the overflow for this reason.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a motorcycle fuel tank which prevents flooding.

In order to achieve the purpose, the utility model provides the following technical scheme: prevent motorcycle oil tank of overflow, including the oil tank box, the roof integrated into one piece of oil tank box has the internal thread pipe, and the oil tank box has anti-overflow mechanism through internal thread pipe threaded connection, anti-overflow mechanism includes anti-overflow core, expanding spring and the anti-overflow cover body, the oil inlet that is the form of falling the bowl mouth is seted up at the top of the anti-overflow cover body, the anti-overflow core passes through expanding spring sliding connection in the inside of the anti-overflow cover body, and the anti-overflow core can rely on expanding spring's elasticity to seal the oil inlet, the anti-overflow cover body is the tubular structure that the two are linked together.

Preferably, the outer portion of the anti-overflow sleeve body is integrally formed with an annular bulge, the top of the oil tank body is provided with a groove matched with the annular bulge, and the bottom of the groove is padded with a sealing gasket.

Preferably, the top of the anti-overflow sleeve body is in threaded connection with an oil tank cover, and the oil tank cover is a stainless steel cover.

Preferably, the anti-overflow core body includes the core connecting rod, the first sealed piece of one end fixedly connected with of core connecting rod, and the sealed piece of the other end fixedly connected with second of core connecting rod, the top of the sealed piece of second evenly is provided with first oil outlet, first sealed piece and oil inlet looks adaptation, the sealed piece of second and the adaptation of the anti-overflow cover body cavity.

Preferably, the spacing groove has been seted up to the cavity inner wall of the anti-overflow cover body, fixedly connected with stopper around the sealed piece of second, spacing groove and stopper looks adaptation, the cavity inner wall fixedly connected with sealing ring of the anti-overflow cover body, the sealing ring is located the top of the sealed piece of second, and the bottom of sealing ring evenly is provided with sealed arch, sealed arch and first oil outlet hole looks adaptation.

Preferably, the bottom wall fixedly connected with of the anti-overflow cover body is provided with a limit post, the telescopic spring is movably sleeved outside the limit post, the bottom wall of the anti-overflow cover body is further provided with second oil outlets, and the second oil outlets are uniformly distributed around the limit post.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this prevent motorcycle oil tank of overflow has realized through setting up of anti-overflow mechanism that can completely cut off the inside petrol of oil tank box and fuel tank cap, and then no matter how big the screw thread clearance of fuel tank cap has, can not lead to the inside petrol of oil tank box to spill over yet, and then can the risk reduction.

(2) According to the anti-overflow motorcycle fuel tank, two seals can be formed in the anti-overflow sleeve body through the sealing ring and the sealing bulge at the bottom of the sealing ring, the second sealing block and the first oil outlet hole in the second sealing block, so that the sealing performance of the oil inlet is further improved, and gasoline overflow can be effectively prevented.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of the present invention taken along line A-A of FIG. 2;

FIG. 4 is an isometric view of the overfill prevention mechanism proposed by the present invention;

FIG. 5 is an exploded view of the anti-overflow mechanism of the present invention;

fig. 6 is a sectional view of the spill prevention mechanism according to the present invention.

In the figure: 1. an oil tank body; 101. an internally threaded tube; 2. an anti-overflow mechanism; 21. a fuel tank cap; 22. an anti-overflow core body; 2201. a core connecting rod; 2202. a first seal block; 2203. a second seal block; 2204. a first oil outlet hole; 23. a tension spring; 24. an anti-overflow sleeve body; 2401. an oil inlet; 2402. an annular projection; 2403. a seal ring; 2404. a limiting column; 2405. a second oil outlet hole; 3. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 6, the present invention provides a technical solution: the motorcycle fuel tank for preventing overflow comprises a fuel tank body 1, wherein an internal threaded pipe 101 is integrally formed on the top wall of the fuel tank body 1, the fuel tank body 1 is in threaded connection with an overflow prevention mechanism 2 through the internal threaded pipe 101, the overflow prevention mechanism 2 comprises an overflow prevention core 22, a telescopic spring 23 and an overflow prevention sleeve body 24, an annular bulge 2402 is integrally formed outside the overflow prevention sleeve body 24, a groove matched with the annular bulge 2402 is formed in the top of the fuel tank body 1, a sealing washer 3 is padded at the bottom of the groove, a fuel tank cover 21 is in threaded connection with the top of the overflow prevention sleeve body 24, and the fuel tank cover 21 is a stainless steel cover, in the embodiment, the stainless steel for manufacturing the fuel tank cover 21 is austenitic stainless steel with the model of 1Cr18Ni9, the austenitic stainless steel contains more than 18% of chromium, contains about 8% of nickel, a small amount of molybdenum, titanium, nitrogen and other elements, has good comprehensive performance, can resist corrosion of various mediums, and contains a large amount of Ni and Cr, the steel is in an austenite state at room temperature, the steel has good plasticity, toughness, weldability, corrosion resistance, no magnetism or weak magnetism, and good corrosion resistance in oxidizing and reducing media, so the oil tank cover 21 made of the material is resistant to corrosion of natural environment and durable, the anti-overflow mechanism 2 can be effectively protected, the top of the anti-overflow sleeve body 24 is provided with an inverted bowl-mouth-shaped oil inlet 2401, the anti-overflow core body 22 is connected to the inside of the anti-overflow sleeve body 24 in a sliding manner through the extension spring 23, the anti-overflow core body 22 can seal the oil inlet 2401 by means of the elasticity of the extension spring 23, the anti-overflow sleeve body 24 is of a tubular structure with two communicated ends, the gasoline in the oil tank body 1 can be isolated from the oil tank cover 21 by the arrangement of the anti-overflow mechanism 2, and further, no matter how large the thread gap of the oil tank cover 21, the gasoline in the oil tank body 1 cannot overflow, and the risk can be reduced.

As shown in fig. 6, the spill-proof core 22 includes a core connecting rod 2201, one end of the core connecting rod 2201 is fixedly connected with a first sealing block 2202, the other end of the core connecting rod 2201 is fixedly connected with a second sealing block 2203, the top of the second sealing block 2203 is uniformly provided with a first oil outlet 2204, the first sealing block 2202 is adapted to the oil inlet 2401, the second sealing block 2203 is adapted to the cavity of the spill-proof sleeve body 24, the inner wall of the cavity of the spill-proof sleeve body 24 is provided with a limiting groove, the periphery of the second sealing block 2203 is fixedly connected with a limiting block, the limiting groove is adapted to the limiting block, the inner wall of the cavity of the spill-proof sleeve body 24 is fixedly connected with a sealing ring 2403, the sealing ring 2403 is located at the top of the second sealing block 2203, the bottom of the sealing ring 2403 is uniformly provided with sealing protrusions, the sealing protrusions are adapted to the first oil outlet 2204, the bottom wall of the spill-proof sleeve body 24 is fixedly connected with a limiting column 2404, and the expansion spring 23 is movably sleeved outside the limiting column 2404, the bottom wall of the anti-overflow sleeve body 24 is further provided with a second oil outlet 2405, the second oil outlet 2405 is uniformly distributed around the limiting column 2404, the side walls of the oil tank cover 21 and the internal thread pipe 101 are both provided with internal threads with the same specification, the outer walls of the top and the bottom of the anti-overflow sleeve body 24 taking the annular bulge 2402 as a boundary are both provided with external threads, the internal threads and the external threads are matched, and through the arrangement of the sealing ring 2403, the sealing bulge at the bottom of the sealing ring, the second sealing block 2203 and the first oil outlet 2204 inside the sealing ring, two seals can be formed inside the anti-overflow sleeve body 24, the sealing performance of the oil inlet 2401 is further improved, and gasoline overflow can be effectively prevented.

When using this utility model motorcycle oil tank to refuel, at first unscrew oil tank lid 21 and insert the nozzle through oil inlet 2401 in the anti-overflow cover body 24, further nozzle exerts pressure to first sealed piece 2202, further first sealed piece 2202 overcomes the elastic force downstream of expanding spring 23, when second sealed piece 2203 contacts with spacing post 2404's top, the motion stops, further refuel to oil tank box 1 inside through the nozzle, petrol loops through in first oil outlet 2204 and the entering oil tank box 1 of second oil outlet 2405, when filling up oil, take out the nozzle, further anti-overflow core 22 resets under expanding spring 23's elastic force effect, first sealed piece 2202 seals oil inlet 2401 this moment, the sealed arch of sealing ring 2403 bottom seals first oil outlet 2204.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Motorcycle oil tank of anti-overflow, including oil tank box (1), its characterized in that: the roof integrated into one piece of oil tank box (1) has internal thread pipe (101), and oil tank box (1) has anti-overflow mechanism (2) through internal thread pipe (101) threaded connection, anti-overflow mechanism (2) are including anti-overflow core (22), expanding spring (23) and the anti-overflow cover body (24), oil inlet (2401) that are the form of falling the bowl mouth are seted up at the top of the anti-overflow cover body (24), anti-overflow core (22) are through expanding spring (23) sliding connection in the inside of the anti-overflow cover body (24), and anti-overflow core (22) can rely on the sealed oil inlet (2401) of elasticity of expanding spring (23), the tubular structure that the anti-overflow cover body (24) are linked together for two.

2. A motorcycle fuel tank for preventing flooding as claimed in claim 1, characterized in that: the anti-overflow cover body (24) is externally and integrally formed with annular bulges (2402), grooves matched with the annular bulges (2402) are formed in the top of the oil tank body (1), and sealing gaskets (3) are padded at the bottoms of the grooves.

3. A motorcycle fuel tank for preventing flooding as claimed in claim 1, characterized in that: the top of the anti-overflow sleeve body (24) is in threaded connection with an oil tank cover (21), and the oil tank cover (21) is a stainless steel cover.

4. A motorcycle fuel tank for preventing flooding as claimed in claim 1, characterized in that: the spill-proof core body (22) comprises a core body connecting rod (2201), a first sealing block (2202) is fixedly connected to one end of the core body connecting rod (2201), a second sealing block (2203) is fixedly connected to the other end of the core body connecting rod (2201), a first oil outlet (2204) is uniformly formed in the top of the second sealing block (2203), the first sealing block (2202) is matched with the oil inlet (2401), and the second sealing block (2203) is matched with a cavity of the spill-proof sleeve body (24).

5. A motorcycle fuel tank for preventing flooding as claimed in claim 4, characterized in that: the spacing groove has been seted up to the cavity inner wall of the anti-overflow cover body (24), fixedly connected with stopper around the sealed piece of second (2203), spacing groove and stopper looks adaptation, the cavity inner wall fixedly connected with sealing ring (2403) of the anti-overflow cover body (24), sealing ring (2403) are located the top of the sealed piece of second (2203), and the bottom of sealing ring (2403) evenly is provided with sealed arch, sealed arch and first oil outlet (2204) looks adaptation.

6. A motorcycle fuel tank for preventing flooding as claimed in claim 1, characterized in that: the anti-overflow cover body is characterized in that the bottom wall of the anti-overflow cover body (24) is fixedly connected with a limiting column (2404), the telescopic spring (23) is movably sleeved outside the limiting column (2404), the bottom wall of the anti-overflow cover body (24) is further provided with a second oil outlet hole (2405), and the second oil outlet hole (2405) is uniformly distributed around the limiting column (2404).