CN112356659A

CN112356659A - Anti-theft truck oil tank

Info

Publication number: CN112356659A
Application number: CN202011301599.4A
Authority: CN
Inventors: 瞿洪
Original assignee: Hangzhou Panling Machinery Technology Co ltd
Current assignee: Jining Yanzhou Hengsheng Machinery Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-02-12
Anticipated expiration: 2040-11-19
Also published as: CN112356659B

Abstract

The invention relates to the technical field of oil tank theft prevention, in particular to an anti-theft truck oil tank which comprises a tank body, wherein two limiting grooves are limited and formed in the front end surface of the tank body, the two limiting grooves are symmetrically distributed on the vertical central axis of the tank body, an inner oil nozzle and an outer oil nozzle are fixedly connected to the lower side of the rear end surface of the tank body, the inner oil nozzle and the outer oil nozzle are symmetrically distributed on the vertical central axis of the tank body, an oil tank opening is fixedly connected to the horizontal central axis of the upper end surface of the tank body close to the front position, and an outer oil cavity is limited and formed in the; the locking component is used for locking the oil tank opening; and the outer oil cavity is sealed and stored through the sealing and storing component, so that the problems that a lawbreaker pries the cover of the oil tank, inserts the hose into the oil tank, or steals fuel oil by using an oil tank oil drainage screw are solved.

Description

Anti-theft truck oil tank

Technical Field

The invention relates to the technical field of oil tank theft prevention, in particular to an anti-theft truck oil tank.

Background

The oil tank is the container of aircraft or car facial make-up fuel, be the special container of storage hydraulic oil or hydraulic fluid among the hydraulic system, large-scale commodity circulation freight train is because the load is heavier, in order to guarantee to have very high duration in long-distance transport's in-process, so the volume requirement to the oil tank is higher, therefore the whole great of oil tank of freight train, the oil of loading is also more, arouse easily that lawless persons steals the oil in the oil tank, current oil tank oil filler hole simple structure, insert the hose easily in the oil tank, make things convenient for stealing of oil, bring the opportunity of taking advantage of for lawless persons, common oil stealing mode is mostly sled fuel tank cap, oil suction pipe, oil tank oil drain screw etc..

Disclosure of Invention

The invention aims to provide an anti-theft truck fuel tank, which aims to solve the problems that in the prior art, a fuel tank cover is pried, a hose is inserted into the fuel tank, or fuel is stolen by using a fuel tank oil drainage screw.

The technical scheme of the invention is as follows: the anti-theft truck oil tank comprises a tank body, wherein two limiting grooves are limited and formed in the front end face of the tank body, the two limiting grooves are symmetrically distributed about a vertical central axis of the tank body, an inner oil nozzle and an outer oil nozzle are fixedly connected to the lower side of the rear end face of the tank body, the inner oil nozzle and the outer oil nozzle are symmetrically distributed about the vertical central axis of the tank body, an oil tank opening is fixedly connected to the horizontal central axis of the upper end face of the tank body close to the front position, and an outer oil cavity is limited and formed in the tank body; the locking component is used for locking the oil tank opening; the outer oil cavity is sealed and stored through the sealing and storing component; at first place the box level to make outer fixed cylinder orientation ascending position, interior glib talker and outer glib talker are towards the inside position of car, with oil pipe and interior glib talker and outer glib talker intercommunication, then carry on spacing fixedly with box and truck through the spacing groove with the fixed band, through setting up interior glib talker and outer glib talker in orientation car internal portion position, utilize the oil tank oil drain screw and defeated oil pipe to steal the fuel with this lawless persons who avoids falling stealing oil.

As a preferable scheme of the invention, the locking component comprises a fuel tank through hole which is limited and arranged inside the fuel tank opening, an inner plug thread groove is arranged on the inner circumferential side of the fuel tank opening, an inner fixing plug is rotatably arranged inside the fuel tank through hole, an inner plug thread is limited and arranged on the outer circumferential side of the inner fixing plug, the inner fixing plug is limited and fixed by the engagement of the inner plug thread and the inner plug thread groove, a lock cylinder inner groove is limited and arranged inside the inner fixing plug, three through grooves are limited and arranged at the lower end of the inner circumferential side of the inner fixing plug, the three through grooves are distributed along the inner circumferential side of the inner fixing plug at equal intervals in the circumferential direction, pushing blocks are arranged inside the three through grooves in a one-to-one corresponding sliding manner, a lock cylinder is fixedly arranged inside the lock cylinder inner groove, the pushing blocks slide in the through grooves in a reciprocating manner under the control, it is three the equal interval distribution of the interior circumference side circumference of fuel tank port is followed to the turn-over groove, the interior axle of the vertical center department fixedly connected with of three turn-over groove, interior epaxial rotation is provided with the fixture block of "L" type, the card can be injectd to the upper end of fixture block and establish in logical inslot, extension spring's one end is connected to the fixture block lower extreme, extension spring's other end fixed connection is at the side end face of turn-over groove, and locking part still includes the external fixation section of thick bamboo of fixed connection terminal surface under the fuel tank cap, the external fixation section of thick bamboo rotates the outer periphery that sets up at the fuel tank port, the outer periphery of fuel tank port is injectd and is seted up the external thread groove, the internal peripheral face of external fixation section of thick bamboo is injectd and is provided with the external screw thread, the external fixation. In order to prevent fuel oil from being stolen, when a driver finishes adding fuel oil, the driver aligns the internal fixing plug with the through hole of the fuel tank, then manually rotates the fuel tank cap, then drives the external fixing cylinder on the lower end surface of the fuel tank cap to be meshed with the external thread groove through external threads, so that the external fixing cylinder slowly moves downwards along the external circumferential surface of the fuel tank opening, and finally the lower circumferential end surface of the external fixing cylinder is contacted with the upper circumferential end surface of the fuel tank body, thereby preventing a lawless person from prying the fuel tank cap from the lower end by using a screw driver through the lever principle to form the first layer of protection inside the fuel tank body, meanwhile, the fuel tank cap drives the internal fixing plug to move downwards in the through hole of the fuel tank through the meshing of the internal plug thread and the internal plug thread groove, so that the fuel oil in the fuel tank body is prevented from being spilled out, and forms an internal and external double thread connection relation with the external fixing cylinder, thereby further, simultaneously to the internal fixation stopper rotatory to the bottommost when, three logical groove respectively one-by-one with the upset groove to right, then drive through the key rotation and promote the piece from the outer port department shrink that leads to the groove, then the fixture block rotates along interior axle under extension spring's pulling to the upper end that makes the fixture block is inserted and is led to the inslot, with this further spacing fixed of messenger's internal fixation stopper, thereby further guarantee that the fuel tank cap can not utilized other means to prize it by lawless persons, thereby form the second floor protection to the inside fuel of box.

As a preferred scheme of the invention, the sealing and storing part comprises an inner oil tank fixedly arranged in an outer oil cavity, four corners of the lower end surface of the inner oil tank are fixedly connected with one end of a fixed block, the other end of the fixed block is fixedly connected with the inner bottom surface of a tank body, the inner oil cavity is limited and arranged in the inner oil tank, two communicating grooves are respectively arranged at the corners of the upper end surface of the inner oil tank and the side end surface, the two communicating grooves are symmetrically arranged about the vertical central axis of the inner oil tank, the communicating grooves comprise three connecting through grooves, the three connecting through grooves are distributed at the corners of the inner oil tank at equal intervals, the sealing and storing part also comprises an inner tank through groove arranged at the upper end surface of the inner oil tank, the inner tank through groove and an oil tank through hole are coaxial, a screen is fixedly connected in the inner tank through groove, and a rotating groove is arranged at the lower, the end face of the axial side of the rotating groove is fixedly connected with two rotating sleeves, the two rotating sleeves are symmetrically arranged around the central axis of the through groove of the inner box, the rotating sleeve is sleeved inside the rotating sleeve, the rotating sleeve is fixedly connected in the rotating sleeve through a torsion spring, the circumferential side face of the rotating shaft is fixedly connected with a turning plate, the through groove of the inner box is in a closed state under the condition of an initial turning plate state, the end face of the inner oil box is limited and provided with three limiting grooves, the three limiting grooves are distributed at equal intervals in the circumferential direction by taking the through groove of the inner box as an axis, a sieve plate spring is fixedly connected inside each limiting groove, the other end of the sieve plate spring is fixedly connected with a sieve plate, the upper end face of the sieve plate spring is contacted with the inner circumferential side face of the box body under the initial state of the sieve plate spring, the upper end, the lower end of the sieve plate is fixedly connected with a conical block, a conical groove is limited and arranged in the conical block, the conical groove and the through groove of the inner box are coaxial, a spiral groove is arranged on the inner circumferential side surface of the conical block, when the oil tank is filled with oil, an oil gun is inserted into the outer oil cavity from the through hole of the oil tank and then pushes the sieve plate, so that the sieve plate is separated from being contacted with the inner upper end surface of the box body, the lower end of the conical block is extruded and turned over, the turning over is downwards rotated in the rotating shaft through the rotating sleeve, then the inner oil cavity is communicated with the conical groove, then fuel oil is added into the inner oil cavity, the fuel oil is ensured to form a vortex in the adding process through the spiral groove, the fuel oil is prevented from being blocked in the conical groove, when the fuel oil in the inner oil cavity is filled, the fuel oil flows into the outer oil cavity from the through, the outer oil cavity and the inner oil cavity can be filled with fuel oil, when the fuel oil is filled, the oil gun leaves, and the sieve plate returns to the initial position; steal the fuel after prying open the fuel tank cap when lawless persons, if utilize thin hose, can't promote the sieve, thereby thin hose can't stretch into interior oil pocket the inside from the interior case logical groove, thereby can't steal the fuel of interior oil pocket the inside, and because the sieve contacts with the inboard up end of box under the effect of sieve spring, the hose can't stretch into the outer oil pocket the inside, thereby avoid the fuel of outer oil pocket the inside to be stolen, when utilizing hard pipe to stretch into from the oil tank through-hole, thereby because the sieve of the logical inslot of sieve prevents that hard pipe from the interior case logical groove and stretch into interior oil pocket the inside extraction fuel, because the nature of hard pipe itself can't follow the extraction of outer oil pocket the inside more then, form the third layer protection from the fuel to the box inside.

Advantageous effects

The invention provides an anti-theft truck oil tank through improvement, compared with the prior art, the anti-theft truck oil tank has the following improvements and advantages:

through setting up the seal up and deposit the part, make when stealing the fuel after the lawless persons pries open the oil tank lid, if utilize the thin hose, then can't promote the sieve, thereby the thin hose can't stretch into interior oil pocket the inside from interior case logical groove, thereby can't steal the fuel of interior oil pocket the inside, and because the sieve contacts with the inboard up end of box under the effect of sieve spring, the hose can't stretch into the exterior oil pocket the inside, thereby avoid the fuel of exterior oil pocket the inside to be stolen, when utilizing hard pipe to stretch into from the oil tank through-hole, thereby because the sieve of the logical inslot of sieve prevents that hard pipe from stretching into interior oil pocket the inside extraction fuel from interior case logical groove, again because the nature of hard pipe itself can't follow the extraction of exterior oil pocket the inside more then, form the third layer protection from the fuel to the box inside.

Drawings

Fig. 1 is a structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is an enlarged view at Q in fig. 3.

Fig. 5 is an enlarged view at W in fig. 4.

Fig. 6 is a perspective view, cut away at a-a in fig. 2.

In the figure, a box body 10, a limiting groove, an outer fixed cylinder 12, a fuel tank cover 13, a lock cylinder 14, an inner fuel nozzle 15, an outer fuel nozzle 16, an outer fuel cavity 17, an inner fuel tank 18, an inner fuel cavity 19, a fixed block 20, a limiting groove 21, a sieve plate spring 22, a sieve plate 23, a sieve plate through groove 24, a conical block 25, a conical groove 26, a spiral groove 27, a fuel tank port 28, a turnover groove 29, an inner fixed plug 30, an inner shaft 31, a clamp block 32, a through groove 33, a pushing block 34, a lock cylinder inner groove 35, an inner plug thread groove 36, an inner plug thread 37, an outer thread groove 38, an outer thread 39, a stretching spring 40, an inner tank through groove 44, a rotating groove 45, a rotating shaft 46, a rotating sleeve 47, a turnover plate 48, a

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

As shown in fig. 1, 2 and 3, the invention is an anti-theft truck fuel tank, which comprises a tank body 10, wherein two limiting grooves are limited and arranged on the front end surface of the tank body 10, the two limiting grooves are symmetrically distributed on the vertical central axis of the tank body 10, an inner fuel nozzle 15 and an outer fuel nozzle 16 are fixedly connected to the lower side of the rear end surface of the tank body 10, the inner fuel nozzle 15 and the outer fuel nozzle 16 are symmetrically distributed about the vertical central axis of the tank body 10, a fuel tank opening 28 is fixedly connected to the horizontal central axis of the upper end surface of the tank body 10 close to the front position, and an outer oil cavity 17 is limited and arranged in the tank body 10; a locking member by which the tank port 28 is locked; a sealing component, through which the outer oil chamber 17 is sealed;

at first place the box 10 level to make outer fixed cylinder 12 towards ascending position, interior glib talker 15 and outer glib talker 16 towards the inside position of car, being in communicating oil pipe and interior glib talker 15 and outer glib talker 16, then carry out spacing fixed with box 10 and truck through the spacing groove with the fixed band, through setting up interior glib talker 15 and outer glib talker 16 in towards the inside position of car, with this to avoid falling the lawless persons who steals oil and steal the fuel oil with oil tank oil drain screw.

Referring to fig. 3, 4, 5 and 6, the locking member includes a tank through hole 50 defined in the tank port 28, an inner plug thread groove 36 is formed in an inner circumferential side surface of the tank port 28, an inner fixing plug 30 is rotatably disposed in the tank through hole 50, an inner plug thread 37 is defined in an outer circumferential side surface of the inner fixing plug 30, the inner fixing plug 30 is fixed to the inner plug thread groove 36 in a limited manner by engagement of the inner plug thread 37 with the inner plug thread groove 36, an inner cylinder groove 35 is defined in the inner fixing plug 30, three through grooves 33 are defined in a lower end of the inner circumferential side surface of the inner fixing plug 30, the three through grooves 33 are circumferentially distributed at equal intervals along the inner circumferential side surface of the inner fixing plug 30, pushing blocks 34 are slidably disposed in the through grooves 33 one by one, a lock cylinder 14 is fixedly disposed in the lock cylinder 35, the pushing blocks 34 are slidably moved in the through grooves 33 under, the locking component also comprises an outer fixed cylinder 12 fixedly connected to the lower end face of the oil tank cover 13, the outer fixed cylinder 12 is rotatably arranged on the outer circumferential face of the oil tank opening 28, an outer thread groove 38 is limited and formed on the outer circumferential face of the oil tank opening 28, an outer thread 39 is limited and formed on the inner circumferential face of the outer fixed cylinder 12, the outer fixed cylinder 12 and the inner fixed plug 30 are meshed with the oil tank opening 38 through the outer thread 39 and are relatively fixed in a limiting mode, and the outer fixed cylinder 12 and the inner fixed plug 30 form limiting fixation with the oil tank opening 28.

Further, to prevent fuel from being stolen, when the driver finishes refueling, the driver aligns the internal fixing plug 30 with the tank through hole 50, then manually rotates the tank cap 13, then drives the external fixing cylinder 12 on the lower end surface of the tank cap 13 to be engaged with the external thread groove 38 through the external thread 39, so that the external fixing cylinder 12 moves downwards slowly along the outer circumferential surface of the tank port 28, and finally makes the lower circumferential end surface of the external fixing cylinder 12 contact with the upper circumferential end surface of the tank body 10, thereby preventing a lawless person from opening the tank cap 13 from the lower end by using the lever principle by using a screwdriver to form the first layer of protection inside the tank body 10, and at the same time, the tank cap 13 drives the internal fixing plug 30 to move downwards in the tank through hole 50 through the engagement of the internal plug thread 37 and the internal plug thread groove 36, so that the internal fixing plug 30 is connected with the tank port 28, so as to prevent the fuel inside the tank body 10 from being pried, and form the connection relation of inner and outer double thread with the outer fixed cylinder 12, thus further guarantee can't be pried open by the screwdriver, while when the internal fixation stopper 30 rotates to the lowest end, three through grooves 33 are respectively opposite to the turning groove 29 one by one, then drive the pushing block 34 to shrink from the outer port department of the through groove 33 through the key rotation, then the fixture block 32 rotates along the inner shaft 31 under the pulling of the extension spring 40, thus make the upper end of the fixture block 32 insert into the through groove 33, so as to make the further spacing of the internal fixation stopper 30 fix, thus further guarantee the fuel tank lid 13 can not be pried open by lawless persons with other means, thus form the second layer of protection to the fuel in the container body 10.

Referring to fig. 4, 5 and 6, the sealing and storing component comprises an inner oil tank 18 fixedly arranged inside an outer oil chamber 17, four corners of the lower end surface of the inner oil tank 18 are fixedly connected with one end of a fixed block 20, the other end of the fixed block 20 is fixedly connected with the inner bottom surface of the box body 10, an inner oil chamber 19 is limited and arranged inside the inner oil tank 18, two communicating grooves are respectively arranged at the corners of the upper end surface and the side end surface of the inner oil tank 18, the two communicating grooves are symmetrically arranged about the vertical central axis of the inner oil tank 18, the communicating grooves comprise three connecting through grooves 49, the three connecting through grooves 49 are distributed at the corners of the inner oil tank 18 at equal intervals, the sealing and storing component further comprises an inner tank through groove 44 arranged at the upper end surface of the inner oil tank 18, the inner tank through groove 44 is coaxial with an oil tank through hole 50, a screen is fixedly connected inside the inner tank through groove 44, two rotating sleeves 47 are fixedly connected to the end face of the axial side of the rotating groove 45, the two rotating sleeves 47 are symmetrically arranged about the central axis of the through groove 44 of the inner box, a rotating shaft 46 is sleeved in the rotating sleeve 47, the rotating sleeve 47 is fixedly connected in the rotating sleeve 47 through a torsion spring, a turning plate 48 is fixedly connected to the circumferential side face of the rotating shaft 46, the through groove 44 of the inner box is in a closed state under the initial state of the turning plate 48, three limiting grooves 21 are limited and formed in the end face of the inner oil box 18, the three limiting grooves 21 are circumferentially distributed at equal intervals by taking the through groove 44 of the inner box as an axis, a sieve plate spring 22 is fixedly connected in each limiting groove 21, the other end of the sieve plate spring 22 is fixedly connected with a sieve plate 23, the upper end face of the sieve plate spring 22 is in contact with the inner circumferential side face of the box body 10 under the initial state of the sieve plate spring, the lower end of the sieve plate 23 is fixedly connected with a conical block 25, a conical groove 26 is limited in the conical block 25, the conical groove 26 and the inner box through groove 44 are coaxial, and the inner circumferential side surface of the conical block 25 is provided with a spiral groove 27.

Further, when the oil tank is filled with oil, by inserting the oil gun into the outer oil chamber 17 from the tank through hole 50, then the oil gun is used for pushing the sieve plate 23, so that the sieve plate 23 is separated from being contacted with the inner upper end surface of the box body 10, and the lower end of the conical block 25 presses the copy 48, so that the copy 48 is rotated downward in the rotation shaft 46 by the rotation sleeve 47, then the inner oil cavity 19 is communicated with the conical groove 26, then fuel is added into the inner oil cavity 19, the spiral groove 27 ensures that fuel forms vortex in the adding process, thereby preventing the fuel from being clogged in the tapered groove 26, and when the fuel in the internal oil chamber 19 is filled, the fuel flows into the external oil chamber 17 from the communicating through groove 49, the connecting through groove 49 ensures that the outer oil cavity 17 and the inner oil cavity 19 can be filled with fuel oil when the box body 10 is filled with fuel oil, and when the fuel oil is filled, the oil gun leaves and the sieve plate 23 returns to the initial position; steal the fuel after the lawless persons pried the oil tank lid 13, if utilize the thin hose, can't promote sieve 23, thereby the thin hose can't stretch into inside the interior oil pocket 19 from the logical groove 44 of inner box, thereby can't steal the fuel of inside the interior oil pocket 19, and because sieve 23 contacts with the inboard up end of box 10 under the effect of sieve spring 22, the hose can't stretch into inside the outer oil pocket 17, thereby avoid the fuel of inside the outer oil pocket 17 to be stolen, when utilizing hard pipe to stretch into from oil tank through-hole 50, thereby because the screen cloth of sieve logical groove 24 internal prevents that hard pipe from stretching into inside the interior oil pocket 19 from the logical groove 44 of inner box and extracting the fuel, because hard pipe nature can't more follow the extraction of outer oil pocket 17 inside then, form the third layer protection from the fuel to the box 10 inside.

Claims

1. An anti-theft truck fuel tank comprises a tank body (10), and is characterized in that: the oil tank is characterized in that two limiting grooves are limited and formed in the front end face of the tank body (10), the two limiting grooves are symmetrically distributed along the vertical central axis of the tank body (10), an inner oil nozzle (15) and an outer oil nozzle (16) are fixedly connected to the lower side of the rear end face of the tank body (10), the inner oil nozzle (15) and the outer oil nozzle (16) are symmetrically distributed along the vertical central axis of the tank body (10), an oil tank opening (28) is fixedly connected to the position, close to the front, of the horizontal central axis of the upper end face of the tank body (10), and an outer oil cavity (17) is limited and formed in the interior of the tank body (10);

a locking member by which the tank port (28) is locked;

and the outer oil cavity (17) is sealed and stored through the sealing and storing component.

2. An anti-theft truck fuel tank as claimed in claim 1, wherein: the locking part comprises an oil tank through hole (50) limited and arranged inside an oil tank port (28), an inner plug thread groove (36) is formed in the inner circumferential side face of the oil tank port (28), an inner fixing plug (30) is arranged in the oil tank through hole (50) in a rotating mode, an inner plug thread (37) is limited and arranged on the outer circumferential side face of the inner fixing plug (30), the inner fixing plug (30) is limited and fixed in a meshing mode through the inner plug thread (37) and the inner plug thread groove (36), a lock cylinder inner groove (35) is limited and arranged inside the inner fixing plug (30), three through grooves (33) are limited and arranged at the lower end of the inner circumferential side face of the inner fixing plug (30), the through grooves (33) are distributed in the circumferential direction at equal intervals along the inner circumferential side face of the inner fixing plug (30), and pushing blocks (34) are arranged inside the through grooves (33) in, the fixed lock core (14) that is provided with in inside of lock core inside groove (35), promote piece (34) and carry out reciprocating sliding in the inside of logical groove (33) through the control of lock core (14), three upset groove (29) have been seted up to the interior circumference side lower extreme of oil tank port (28), and is three upset groove (29) are along the equidistant distribution of interior circumference side circumference of oil tank port (28), the vertical center department fixedly connected with inner axle (31) of three upset groove (29), it is provided with fixture block (32) of "L" type to rotate on inner axle (31), the upper end of fixture block (32) can be injectd the card and establish in logical groove (33), the one end of extension spring (40) is connected to fixture block (32) lower extreme, the other end fixed connection of extension spring (40) is at the side end face of upset groove (29).

3. A tamper-proof truck fuel tank as claimed in claim 2, wherein: locking part still includes the outer fixed cylinder (12) of fixed connection terminal surface under fuel tank cap (13), outer fixed cylinder (12) are rotated and are set up the outer periphery at fuel tank port (28), outer screw thread groove (38) have been injectd to the outer periphery of fuel tank port (28), the interior periphery of outer fixed cylinder (12) is injectd and is provided with external screw thread (39), outer fixed cylinder (12) are spacing fixed relatively through the meshing of external screw thread (39) and external screw thread groove (38), outer fixed cylinder (12) and internal fixation stopper (30) form spacing fixed with fuel tank port (28) simultaneously.

4. A tamper-proof truck fuel tank as claimed in claim 3, wherein: the sealing part comprises an inner oil tank (18) fixedly arranged inside an outer oil cavity (17), one end of four corner fixed connection fixed blocks (20) of the lower end face of the inner oil tank (18) is fixedly arranged at the inner bottom face of a box body (10), the inner oil cavity (19) is defined and arranged inside the inner oil tank (18), two communicating group grooves are respectively formed in the upper end face of the inner oil tank (18) and the corners of the side end faces of the inner oil tank (18), the two communicating group grooves are symmetrically arranged about the vertical central axis of the inner oil tank (18), each communicating group groove comprises a three connecting through groove (49) and a three connecting through groove (49) which is formed in the corners of the inner oil tank (18) at equal intervals and distributed along the axis.

5. An anti-theft truck fuel tank as claimed in claim 4, wherein: the sealing component further comprises an inner box through groove (44) formed in the upper end face of the inner oil box (18), the inner box through groove (44) and an oil box through hole (50) are coaxial, the inside of the inner box through groove (44) is fixedly connected with a screen, a rotating groove (45) is formed in the lower end of the circumferential side face of the inner box through groove (44), two rotating sleeves (47) are fixedly connected to the axial side end face of the rotating groove (45), the two rotating sleeves (47) are symmetrically arranged about the central axis of the inner box through groove (44), a rotating shaft (46) is sleeved in the rotating sleeves (47), the rotating sleeves (47) are fixedly connected in the rotating sleeves (47) through torsion springs, a turnover plate (48) is fixedly connected to the circumferential side face of the rotating shaft (46), the inner box through groove (44) is in a closed state under the initial state of the turnover plate (48), and three limiting grooves (21) are formed in the end face of the inner oil box (18), three spacing groove (21) are the equidistant circumference of axle center distribution in interior case logical groove (44), every the inside of spacing groove (21) all fixedly connected with sieve spring (22), the other end fixed connection sieve (23) of sieve spring (22), under sieve spring (22) initial condition, the up end of sieve spring (22) contacts with the interior circumference side of box (10), sieve logical groove (24) have been seted up to the up end of sieve (23), sieve logical groove (24) and interior case logical groove (44) are coaxial, the lower extreme fixedly connected with toper piece (25) of sieve (23), toper groove (26) have been injectd to the inside of toper piece (25) and have been seted up, toper groove (26) and interior case logical groove (44) are coaxial, spiral groove (27) have been seted up to the interior circumference side of toper piece (25).