CN111660800A

CN111660800A - Fuel tank

Info

Publication number: CN111660800A
Application number: CN202010557386.1A
Authority: CN
Inventors: 袁利峰; 宋秀华; 许凯丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-09-15
Anticipated expiration: 2040-06-18
Also published as: CN111660800B

Abstract

The invention relates to a fuel tank, comprising: box, sealing mechanism, cipher mechanism. The tank body is provided with a round oil filling hole, and an extension pipe is arranged at the oil filling hole; the sealing mechanism is arranged at the oil filling hole and can seal the oil filling hole; the code mechanism is matched with the sealing mechanism, and can limit the opening of the sealing mechanism. The technical scheme has the advantages that: through setting up cryptographic mechanism, can control the opening and close of sealing the mechanism to protect the fuel in the fuel tank, and above-mentioned cryptographic mechanism has compact structure, and the convenient advantage of unblock has better economic nature when providing the protection to the fuel tank.

Description

Fuel tank

Technical Field

The invention relates to the field of oil storage devices, in particular to a fuel tank.

Background

With the continuous development of economy and the continuous improvement of the living standard of people, the daily travel of people also becomes more convenient. As a very common vehicle in daily life, automobiles play an increasingly important role in cargo transportation and daily trips of people. Nowadays, due to the rising price of gasoline, many lawbreakers steal the gasoline or diesel oil in the fuel tank of the parked automobile through the fuel stealing pipe to obtain the insubstantial money, which causes the economic loss of the owner of the automobile.

Disclosure of Invention

In view of the above, it is desirable to provide a fuel tank having an anti-theft function and a compact structure.

The invention discloses a fuel tank, which comprises: box, sealing mechanism, cipher mechanism. The tank body is provided with a round oil filling hole, and an extension pipe is arranged at the oil filling hole; the sealing mechanism is arranged at the oil filling hole and can seal the oil filling hole; the code mechanism is matched with the sealing mechanism, and can limit the opening of the sealing mechanism.

In one embodiment, the oil tank comprises a rotating ring, a plurality of connecting rods hinged on the rotating ring, and a plurality of sealing plates hinged with the connecting rods, wherein the sealing plates can be mutually spliced to seal the oil filling hole, the sealing plates are hinged on the tank body, and the sealing plates can be driven to rotate to communicate or seal the oil filling hole by rotating the rotating ring.

In one embodiment, the cipher mechanism comprises an unlocking piece sleeved on the extension pipe, a plurality of lock sleeves sleeved outside the unlocking piece, and a lock ring fixedly connected with the rotating ring, wherein each lock sleeve is provided with an avoiding opening on the lower end face, the avoiding openings can be combined to form an avoiding groove, the unlocking piece is provided with a clamping part, the lock ring is provided with a clamping groove matched with the clamping part, the unlocking piece can slide upwards along the extension pipe, and when the avoiding opening forms the avoiding groove and corresponds to the upper part of the clamping part, the unlocking piece can move upwards and be separated from the clamping groove, so that the lock ring can rotate freely.

In one embodiment, the unlocking piece lower extreme is provided with the elastic component, the elastic component lower extreme and box butt make the unlocking piece can upwards move, unlocking piece upper end is provided with the extension rod, works as after the unlocking piece upwards moves, the extension rod is higher than the extension pipe.

In one embodiment, a limiting sleeve is fixedly arranged at the orifice of the extension pipe, the lower end of the limiting sleeve abuts against the locking sleeve, a through hole is formed in the limiting sleeve, and the extension rod is arranged in the through hole in a penetrating manner.

In one embodiment, the extension pipe is provided with an oil tank cover, the oil tank cover is in threaded connection with the extension pipe, and the oil tank cover is provided with an annular flange which covers the extension rod when the oil tank cover is arranged on the extension pipe.

In one embodiment, the unlocking piece is provided with a sliding groove in the vertical direction, and the extension pipe is fixedly provided with a sliding block matched with the sliding groove, so that the unlocking piece can move up and down along the extension pipe and cannot rotate relatively.

In one embodiment, the coding mechanism comprises a first lock sleeve, a second lock sleeve and a third lock sleeve which are sequentially sleeved from inside to outside, and extension rings are arranged on the upper edges of the first lock sleeve and the second lock sleeve.

In one embodiment, an arc-shaped groove is formed in the box body, a connecting rod is arranged on the rotating ring, and the connecting rod penetrates through the arc-shaped groove to be fixedly connected with the locking ring.

The technical scheme has the advantages that: through setting up cryptographic mechanism, can control the opening and close of sealing the mechanism to protect the fuel in the fuel tank, and above-mentioned cryptographic mechanism has compact structure, and the convenient advantage of unblock has better economic nature when providing the protection to the fuel tank.

Drawings

FIG. 1 is a cross-sectional view of a fuel tank provided by the present invention;

FIG. 2 is a partial enlarged view according to FIG. 1;

FIG. 3 is a cross-sectional view at A-A according to FIG. 1;

FIG. 4 is a first view showing an unlocking state of the fuel tank according to the present invention, in which the unlocking member is moved upward to disengage the engaging portion from the engaging groove;

FIG. 5 is a second view of an unlocked state of the fuel tank according to the present invention, wherein the sealing mechanism is in an open state;

FIG. 6 is a cross-sectional view at B-B according to FIG. 5;

FIG. 7 is a partial view of a fuel tank provided by the present invention;

fig. 8 is a view from another perspective of the invention according to the partial view of fig. 7.

In the figure, a fuel tank 100, a tank body 10, a filler hole 11, an extension pipe 12, an arc-shaped groove 13, a slider 121, a sealing mechanism 20, a rotary ring 21, a connecting rod 22, a sealing plate 23, a connecting rod 24, a coding mechanism 30, an unlocking piece 31, a clamping part 311, an elastic piece 312, an extension rod 313, a sliding groove 314, a first lock sleeve 321, a second lock sleeve 322, a third lock sleeve 323, an escape opening 324, a lock ring 33, a clamping groove 331, a stop sleeve 40, a through hole 41, a fuel tank cover 50 and an annular flange 51 are shown.

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 will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 6, the present invention discloses a fuel tank 100, wherein the fuel tank 100 comprises: the oil-gas seal box comprises a box body 10, a sealing mechanism 20 and a code mechanism 30, wherein the box body 10 is provided with a round oil filling hole 11, and an extension pipe 12 is arranged at the oil filling hole 11; the sealing mechanism 20 is arranged at the oil filling hole 11 and can seal the oil filling hole 11; the coding mechanism 30 is matched with the sealing mechanism 20, and can limit the opening and closing of the sealing mechanism 20.

Preferably, the sealing mechanism 20 includes: the oil tank comprises a rotary ring 21, a plurality of connecting rods 22 hinged on the rotary ring 21 and a plurality of sealing plates 23 hinged with the connecting rods 22, wherein the sealing plates 23 can be mutually spliced to seal the oil filling hole 11, the sealing plates 23 are hinged on the tank body 10, and the sealing plates 23 can be driven to rotate by rotating the rotary ring 21 to enable the oil filling hole 11 to be communicated or sealed.

Referring to fig. 7 and 8, in the present embodiment, 4 connecting rods 22 are provided on the swivel 21, each connecting rod 22 is connected to a sealing plate 23, and the sealing plates 23 are in the shape of a right-angle sector and are joined to each other to form a circle to close the oil filling hole 11.

Preferably, the cipher mechanism 30 includes an unlocking member 31 sleeved on the extension pipe 12, a plurality of stacked sleeves disposed on the unlocking member 31, a lock sleeve outside the unlocking member 31, and a lock ring 33 fixedly connected to the rotating ring 21, each lock sleeve is provided with an avoiding opening 324 on the lower end surface, the avoiding opening 324 can be combined to form an avoiding groove, the unlocking member 31 is provided with a clamping portion 311, the lock ring 33 is provided with a clamping groove 331 matched with the clamping portion 311, the unlocking member 31 can slide upwards along the extension pipe 12, when the avoiding opening 324 forms an avoiding groove and corresponds to the upper side of the clamping portion 311, the unlocking member 31 can move upwards and disengage from the clamping groove 331, so that the unlocking member 33 can rotate freely.

In this embodiment, the coding mechanism 30 includes a first lock sleeve 321, a second lock sleeve 322, and a third lock sleeve 323 that are sequentially sleeved from inside to outside, and the upper edges of the first lock sleeve 321 and the second lock sleeve 322 are both provided with an extension ring.

It will be appreciated that in other embodiments, more locking sleeves may be provided. Through setting up the extension ring, make the lock sleeve outside be in same cylinder, be convenient for rotate.

Preferably, the unlocking piece 31 lower extreme is provided with elastic component 312, elastic component 312 lower extreme and box 10 butt make unlocking piece 31 can the rebound, unlocking piece 31 upper end is provided with extension rod 313, works as unlocking piece 31 rebound back, extension rod 313 is higher than extension pipe 12.

Preferably, a limiting sleeve 40 is fixedly arranged at the pipe orifice of the extension pipe 12, the lower end of the limiting sleeve 40 abuts against the lock sleeve, a through hole 41 is formed in the limiting sleeve 40, and the extension rod 313 penetrates through the through hole 41.

As shown in fig. 2, in the present embodiment, the lower end of the position restricting sleeve 40 abuts against the first lock sleeve 321.

Preferably, the upper end cap of the extension pipe 12 is provided with a fuel tank cap 50, the fuel tank cap 50 is in threaded connection with the extension pipe 12, the fuel tank cap 50 has an annular flange 51, and when the fuel tank cap 50 is covered on the extension pipe 12, the annular flange 51 is covered on the extension rod 313.

Preferably, the unlocking member 31 is provided with a sliding groove 314 along a vertical direction, and the extension pipe 12 is fixedly provided with a sliding block 121 matched with the sliding groove 314, so that the unlocking member 31 can move up and down along the extension pipe 12 and cannot rotate relatively.

Preferably, an arc-shaped slot 13 is formed in the box body 10, a connecting rod 24 is arranged on the rotating ring 21, and the connecting rod 24 passes through the arc-shaped slot 13 and is fixedly connected with the locking ring 33.

The working mode of the invention is as follows: when the sealing mechanism 20 is closed as shown in fig. 1 to 3, when the fuel filler hole 11 needs to be opened, the fuel tank cap 50 is unscrewed, the first lock sleeve 321, the second lock sleeve 322 and the avoidance port 324 of the third lock sleeve 323 are all rotated to the upper side of the clamping portion 311 to form an avoidance groove, as shown in fig. 4, the unlocking member 31 automatically moves upwards under the action of the elastic member 312, so that the clamping portion 311 leaves the clamping groove 331 and enters the avoidance groove, so that the locking ring 33 can freely rotate, as shown in fig. 5 to 8, the rotating ring 21 is driven to rotate by rotating the locking ring 33, so that the sealing plate 23 is driven to rotate by the connecting rod 22 to open the fuel filler hole 11, so that a worker can add fuel into the fuel tank 100; when the oil filling hole 11 needs to be sealed, the locking ring 33 is rotated reversely, the sealing plate 23 seals the oil filling hole 11, then the extension rod 313 is pressed down or the oil tank cover 50 is covered, the oil tank cover 50 is pressed down the extension rod 313, so that the clamping portion 311 leaves the avoiding groove to enter the clamping groove 331 to lock the locking ring 33, then the positions of the first locking sleeve 321, the second locking sleeve 322 and the third locking sleeve 323 are disturbed, the avoiding groove cannot be formed in the avoiding opening 324, and the locking of the oil filling hole 11 is completed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fuel tank, said fuel tank comprising:

the oil tank comprises a tank body and a tank cover, wherein the tank body is provided with a circular oil filling hole, and an extension pipe is arranged at the oil filling hole;

the sealing mechanism is arranged at the oil filling hole and can seal the oil filling hole;

and the password mechanism is matched with the sealing mechanism and can limit the opening of the sealing mechanism.

2. The fuel tank of claim 1, wherein said closure mechanism comprises: the oil filling device comprises a rotating ring, a plurality of connecting rods hinged to the rotating ring and a plurality of sealing plates hinged to the connecting rods, wherein the sealing plates can be mutually spliced to seal the oil filling hole, the sealing plates are hinged to the box body, and the sealing plates can be driven to rotate to communicate or seal the oil filling hole by rotating the rotating ring.

3. The fuel tank of claim 2, wherein the coding mechanism comprises an unlocking member sleeved on the extension pipe, a plurality of lock sleeves sleeved outside the unlocking member in a stacking manner, and a lock ring fixedly connected with the rotating ring, the lower end face of each lock sleeve is provided with an avoiding opening, the avoiding openings can be combined to form an avoiding groove, the unlocking member is provided with a clamping portion, the lock ring is provided with a clamping groove matched with the clamping portion, the unlocking member can slide upwards along the extension pipe, and when the avoiding opening forms the avoiding groove and corresponds to the upper portion of the clamping portion, the unlocking member can move upwards and be separated from the clamping groove, so that the lock ring can rotate freely.

4. The fuel tank of claim 3, wherein the unlocking member is provided at a lower end thereof with an elastic member, the lower end of the elastic member abuts against the tank body to enable the unlocking member to move upward, and an extension rod is provided at an upper end of the unlocking member, and when the unlocking member moves upward, the extension rod is higher than the extension pipe.

5. The fuel tank of claim 4, wherein a limiting sleeve is fixedly arranged at the opening of the extension pipe, the lower end of the limiting sleeve abuts against the locking sleeve, a through hole is formed in the limiting sleeve, and the extension rod penetrates through the through hole.

6. The fuel tank according to claim 4 or 5, wherein the extension pipe is provided with a tank cap, the tank cap is screwed to the extension pipe, and the tank cap has an annular flange that covers the extension rod when the tank cap is fitted to the extension pipe.

7. The fuel tank of claim 3, wherein the unlocking member is provided with a sliding groove in a vertical direction, and the extension pipe is fixedly provided with a sliding block matched with the sliding groove, so that the unlocking member can move up and down along the extension pipe and cannot rotate relatively.

8. The fuel tank of claim 3, wherein the coding mechanism comprises a first lock sleeve, a second lock sleeve and a third lock sleeve which are sequentially sleeved from inside to outside, and extension rings are arranged on the upper edges of the first lock sleeve and the second lock sleeve.

9. The fuel tank of claim 3, wherein the tank body is provided with an arc-shaped slot, and the swivel is provided with a connecting rod which passes through the arc-shaped slot and is fixedly connected with the locking ring.