CN112498095A - Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve - Google Patents
Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve Download PDFInfo
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- CN112498095A CN112498095A CN202011533346.XA CN202011533346A CN112498095A CN 112498095 A CN112498095 A CN 112498095A CN 202011533346 A CN202011533346 A CN 202011533346A CN 112498095 A CN112498095 A CN 112498095A
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- filling pipe
- valve
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- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 35
- 239000000945 filler Substances 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/01—Arrangement of fuel conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/03434—Arrangements or special measures related to fuel tanks or fuel handling for preventing theft of fuel
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses an anti-theft oil automobile oil tank with a bent oil filling pipe and a one-way valve combined, which comprises an oil tank and an oil filling pipe and is characterized in that: the end of the oil filling pipe in the oil tank is a sealed end, the oil filling pipe is in a bent structure in the oil tank, the front part of the last bent section of the oil filling pipe is an oil outlet front pipe section, and the oil outlet front pipe section is parallel or basically parallel to the upper layer of the shell of the oil tank; the inner side pipe wall of the last bending section of the oil filling pipe is connected and communicated with a one-way valve. The advantages are that: the oil filling pipe is of a bent structure, so that the oil filling pipe cannot be quickly inserted into the straight pipe to steal oil in the oil tank, and the pipe section before oil outlet of the oil tank is parallel or basically parallel to the upper layer of the shell of the oil tank, so that a person who steals the oil tank can be prevented from forcedly puncturing the oil filling pipe by using the rigid straight pipe and can not steal the oil in the oil tank. The inner side pipe wall is connected and communicated with a one-way valve, so that when the oil stealing hose is inserted into the bent oil filling pipe, the oil stealing hose cannot be inserted into the one-way valve, and oil stealing cannot be realized. The vacuum is closed by the one-way valve, and oil can not be stolen.
Description
Technical Field
The invention belongs to the technical field of automobile oil tanks, and particularly relates to an automobile oil tank which is formed by combining a bent oil filling pipe and an elastic check valve and has an oil stealing prevention function.
Background
The invention relates to a safety anti-theft fuel tank cap of Chinese patent 200920014323.0, which belongs to a safety device and comprises a tank cap, a coupling, a sieve tube and a sieve mesh, wherein the coupling and an oil injection pipe orifice are nested and connected into a whole in a clearance way, the upper orifice of the oil injection pipe orifice is in threaded connection and matching with the tank cap, the lower orifice of the oil injection pipe orifice is connected with the sieve tube, the lower end of the sieve tube is provided with a sieve mesh seal, and the sieve mesh is in a flat plate shape. The circular hole on the cover plate of the tank cover is embedded with a fuel tank lock, the lower end of a lock rod of the fuel tank lock is fixed with a pawl, and the tank cover is fastened with the screw buckle of the filler pipe orifice in a matched manner, the lock rod is rotated, and the pawl is embedded into a circumferential groove on the inner wall of the filler pipe orifice. The technology has the disadvantages that the oil tank is easily damaged integrally because the lock cover is arranged outside the oil tank, and the screen at the bottom of the sieve tube below the cover is easily damaged, so that oil stealing is easily realized by inserting a hard tube or a hose into oil in the oil tank.
The invention provides an anti-theft oil tank according to Chinese patent 201010156478.5, which comprises an anti-theft oil tank of a motor vehicle, wherein an oil-theft preventing device A is arranged in an oil inlet of the oil tank, so that an oil-theft person is difficult to extend or only can extend an oil-theft preventing pipe into the oil-theft preventing device, but cannot penetrate the oil-theft preventing device to enter the deep part in the oil tank, and thus cannot steal oil; the oil theft preventing device A at least consists of a through pipe and a sleeve; the upper end of the through pipe is provided with an opening, and the opening is an oil inlet of the through pipe; the lower part of the oil inlet of the through pipe is provided with an opening, and the opening is the oil outlet of the through pipe; the oil inlet of the through pipe is communicated with the oil inlet of the oil tank body, and the oil outlet of the through pipe is communicated with the sleeve; one end of the sleeve is open and the other end is closed; the inner cover of the sleeve pipe is arranged at the oil outlet of the through pipe without closing the oil outlet of the through pipe; the opening of the sleeve pipe is far away from the bottom of the oil tank body; the capacity of the sleeve and the capacity of the oil theft preventing device A account for a small proportion of the whole capacity of the oil tank. The technology is that a plurality of holes are formed on the side wall of an oil guide pipe to flow oil into an oil tank, but the technology has the defect that the bottom of the oil guide pipe is easy to damage, so that oil stealing is easy to insert into the oil in the oil tank by using a hard pipe or a hose to steal the oil.
The embodiment of the invention discloses an anti-theft oil tank in Chinese patent 201420319916.9, which is used for preventing oil consumption from successfully working in a short time, ensuring that a vehicle owner cannot suffer from large economic loss, ensuring normal daily work of the vehicle owner and avoiding more serious consequences. The embodiment of the invention provides an anti-theft oil tank, which comprises: a tank housing; a first partition structure is arranged in the internal space of the oil tank shell and divides the internal space into a plurality of internal sections; the first partition structure is provided with a first opening, and the first opening is located at a certain height from the bottom of the oil tank shell. The technology is a multi-box combined oil tank, and can only prevent oil with lower oil level in other separating boxes except the oil inlet from being stolen, but can not prevent oil with higher oil level in the oil tank with the oil inlet and other separating boxes from being stolen.
Disclosure of Invention
The invention aims to provide an oil stealing prevention oil tank which combines a bent oil filling pipe and a one-way valve at special positions, so that a rigid oil stealing pipe and a flexible oil stealing pipe cannot be inserted into oil to steal the oil, and the oil can not be stolen by vacuum oil absorption.
The structure of the invention is as follows:
crooked oil pipe and check valve combined's theftproof oil car oil tank adds oil pipe 2, its characterized in that including oil tank 1 and oil pipe: the end of the oil filling pipe 2 in the oil tank 1 is a sealed end 3, the oil filling pipe 2 is in a bent structure in the oil tank 1, the front of the last bent section 4 of the oil filling pipe 2 is an oil outlet front pipe section 17, and the oil outlet front pipe section 17 is parallel or basically parallel to the upper layer 18 of the shell of the oil tank 1; the inner tube wall 5 of the last bend 4 of the filler tube 2 is connected and communicated with a one-way valve 15.
The function of the bending structure is as follows: the oil filling pipe 2 is in a bent structure in the oil tank 1, so that a person who steals the oil tank is prevented from forcedly puncturing the oil filling pipe 2 by using a rigid straight pipe and then inserting the oil pumping pipe to steal oil; the filler tube 2 is of a curved configuration so that it cannot be quickly inserted into a straight tube to steal oil into the tank.
The parallel functions are as follows: the oil outlet front pipe section 17 is parallel or basically parallel to the upper shell layer 18 of the oil tank 1, so that a person who steals the oil tank is prevented from forcedly puncturing the oil filling pipe 2 by using a rigid straight pipe, the inserted rigid straight pipe can only be parallel or basically parallel to the upper shell layer 18, the oil in the oil tank 1 cannot be contacted with the oil, the oil cannot be pumped out, and the oil in the oil tank cannot be stolen, namely, the pipe wall of the oil outlet front pipe section 17 is punctured and inserted into the oil pumping pipe, and the oil cannot be stolen.
The inner tube wall 5 is connected and communicated with a check valve 15: to prevent a hose from being inserted into oil in an oil tank from an oil filler pipe 2 and to prevent oil from being sucked by a vacuum method. When the hose is inserted into the curved filler tube 2, the end of the hose is always inserted along the curved outer side wall of the filler tube 2, and the end of the hose does not contact the curved inner side wall of the filler tube 2, so that the inner side tube wall 5 of the last curved section 4 of the filler tube 2 is connected and communicated with the check valve 15, and the hose which steals oil cannot be inserted into the check valve 15. When the vacuum is sucked by a hose or a hard pipe which steals oil, the one-way valve 15 is closed, the oil can not be fed into the oil tank when the air is sucked, and the oil can not be discharged. Therefore, the one-way valve 15 is communicated with the inner side pipe wall 5 of the last bending section 4, so that the normal oiling is smooth, an oil thief cannot insert the oil tank by using a hose and cannot steal oil, and the vacuum suction is closed by the one-way valve 15 and cannot steal oil.
The check valve 15 is a normally closed spring type check valve, and the structure of the check valve 15 is as follows:
the one-way valve 15 comprises an oil guide pipe 6, an oil inlet end 7 of the oil guide pipe 6 is connected and communicated with an opening of the inner side pipe wall 5 of the last bending section 4 of the oil filling pipe 2, and an oil outlet end 9 of the oil guide pipe 6 is communicated with the inner space of the oil tank 1; a valve pipe section 8 is arranged in the middle of the oil guide pipe 6, the diameter of the valve pipe section 8 is larger than that of the oil guide pipe 6, and two ends of the valve pipe section 8 are respectively connected and communicated with an oil inlet end 7 and an oil outlet end 9 of the oil guide pipe 6; an elastic valve body 10 is arranged in the valve pipe section 8;
the elastic valve body 10 comprises a frame ring 11, a spring 12, a sealing plate 13 and a sealing rubber gasket 14, wherein the frame ring 11 is connected with the sealing plate 13 through the spring 12, and the sealing rubber gasket 14 is bonded on the upper surface of the sealing plate 13; the diameter of the frame ring 11 is larger than that of the oil guide pipe 6 at the oil outlet end 9, and the diameters of the sealing plate 13 and the sealing rubber gasket 14 are both larger than that of the oil guide pipe 6 at the oil inlet end 7;
in the valve pipe section 8, the spring 12 makes the frame ring 11 of the elastic valve body 10 on the side close to the oil outlet end 9, and the spring 12 makes the sealing rubber gasket 14 of the elastic valve body 10 on the side close to the oil inlet end 7.
The frame ring 11 is a hollow ring with the diameter larger than the diameter of the oil outlet end 9 of the oil guide pipe 6 and smaller than the hollow diameter of the valve pipe section 8, a plurality of parallel or crossed cross rods are arranged in the hollow ring and are used for connecting springs 12, and holes among the cross rods are used for oil leakage.
The elasticity of the spring 12 is chosen such that during filling the oil, the oil flows smoothly through the non-return valve 15, while during suction of the filler pipe 2 the sealing plate 13 and the sealing gasket 14 close the non-return valve 15.
The invention has the advantages that: the oil filling pipe is of a bent structure, so that the oil filling pipe cannot be quickly inserted into a straight pipe to steal oil in the oil tank. The oil tank oil outlet front pipe section is parallel or basically parallel to the upper layer of the shell of the oil tank, so that a person who steals the oil tank is prevented from forcedly puncturing the oil filling pipe by using a rigid straight pipe and can not steal oil in the oil tank. The inner side pipe wall is connected and communicated with a one-way valve, so that when the oil stealing hose is inserted into the bent oil filling pipe, the oil stealing hose cannot be inserted into the one-way valve, and oil stealing cannot be realized. The vacuum is closed by the one-way valve, and oil can not be stolen.
Drawings
FIG. 1 is a schematic cross-sectional view of the fuel tank of the anti-theft fuel automobile according to the present invention;
FIG. 2 is a cross-sectional view of the check valve in a blocked state, i.e., when no oil is being added, or when oil is stolen by vacuuming and cannot be extracted, the oil in the oil tank cannot be stolen;
fig. 3 is a cross-sectional view of the check valve in an open state, i.e., an open state during refueling.
In the figure, 1 is an oil tank, 2 is an oil filling pipe, 3 is a sealing end, 4 is a final bending section, 5 is an inner side pipe wall, 6 is an oil guide pipe, 7 is an oil inlet end, 8 is a valve pipe section, 9 is an oil outlet end, 10 is an elastic valve body, 11 is a frame ring, 12 is a spring, 13 is a sealing plate, 14 is a sealing rubber gasket, 15 is a check valve, 17 is an oil outlet front pipe section, and 18 is a shell upper layer.
Detailed Description
As shown in figures 1, 2 and 3,
the anti-theft oil automobile oil tank with the bent oil filling pipe combined with the one-way valve comprises an oil tank 1 and an oil filling pipe 2, wherein the end of the oil filling pipe 2 in the oil tank 1 is a sealed end 3, the oil filling pipe 2 is in a bent structure in the oil tank 1, the front part of the last bent section 4 of the oil filling pipe 2 is an oil outlet front pipe section 17, and the oil outlet front pipe section 17 is parallel or basically parallel to the upper layer 18 of the shell of the oil tank 1; the inner tube wall 5 of the last bend 4 of the filler tube 2 is connected and communicated with a one-way valve 15.
The check valve 15 of the present embodiment is a normally closed spring type check valve, and the structure of the check valve 15 is as follows:
the one-way valve 15 comprises an oil guide pipe 6, an oil inlet end 7 of the oil guide pipe 6 is connected and communicated with an opening of the inner side pipe wall 5 of the last bending section 4 of the oil filling pipe 2, and an oil outlet end 9 of the oil guide pipe 6 is communicated with the inner space of the oil tank 1; a valve pipe section 8 is arranged in the middle of the oil guide pipe 6, the diameter of the valve pipe section 8 is larger than that of the oil guide pipe 6, and two ends of the valve pipe section 8 are respectively connected and communicated with an oil inlet end 7 and an oil outlet end 9 of the oil guide pipe 6; an elastic valve body 10 is arranged in the valve pipe section 8;
the elastic valve body 10 comprises a frame ring 11, a spring 12, a sealing plate 13 and a sealing rubber gasket 14, wherein the frame ring 11 is connected with the sealing plate 13 through the spring 12, and the sealing rubber gasket 14 is bonded on the upper surface of the sealing plate 13; the diameter of the frame ring 11 is larger than that of the oil guide pipe 6 at the oil outlet end 9, and the diameters of the sealing plate 13 and the sealing rubber gasket 14 are both larger than that of the oil guide pipe 6 at the oil inlet end 7;
in the valve pipe section 8, the spring 12 makes the frame ring 11 of the elastic valve body 10 on the side close to the oil outlet end 9, and the spring 12 makes the sealing rubber gasket 14 of the elastic valve body 10 on the side close to the oil inlet end 7.
The sealing plate 13 and the sealing rubber pad 14 are tightly bonded and inseparable.
The elasticity of the spring 12 is weak, so that the sealing plate 13 and the sealing rubber gasket 14 can just contact the top surface in the valve pipe section 8 in the non-oiling state, and therefore, when oil is normally added, a small amount of oil in the oil outlet front pipe section 17 can separate the sealing plate 13 and the sealing rubber gasket 14 from the top surface in the valve pipe section 8, and a small amount of oil in the oil outlet front pipe section 17 can flow into the oil tank 1.
The angle between the last bending section 4 and the oil outlet front pipe section 17 can be 50-140 degrees.
The valve spool 8 may be a combination of a spool and a cap to facilitate installation of the elastomeric valve body 10 in the valve spool 8.
Claims (2)
1. Crooked theftproof oil car oil tank that adds oil pipe and check valve combination includes oil tank (1) and adds oil pipe (2), its characterized in that: the end of the oil filling pipe (2) in the oil tank (1) is a sealed end (3), the oil filling pipe (2) is in a bent structure in the oil tank (1), an oil outlet front pipe section (17) is arranged before the last bent section (4) of the oil filling pipe (2), and the oil outlet front pipe section (17) is parallel or basically parallel to the upper layer (18) of the shell of the oil tank (1); the inner side pipe wall (5) of the last bending section (4) of the oil filling pipe (2) is connected and communicated with a one-way valve (15).
2. The bent filler tube and one-way valve combined anti-theft fuel tank of an automobile according to claim 1, wherein: the check valve (15) is a normally closed spring type check valve, and the structure of the check valve (15) is as follows:
the check valve (15) comprises an oil guide pipe (6), an oil inlet end (7) of the oil guide pipe (6) is connected and communicated with an opening of an inner side pipe wall (5) of the last bending section (4) of the oil filling pipe (2), and an oil outlet end (9) of the oil guide pipe (6) is communicated with the inner space of the oil tank (1); a valve pipe section (8) is arranged in the middle of the oil guide pipe (6), the diameter of the valve pipe section (8) is larger than that of the oil guide pipe (6), and the two ends of the valve pipe section (8) are respectively connected and communicated with the oil inlet end (7) and the oil outlet end (9) of the oil guide pipe (6); an elastic valve body (10) is arranged in the valve pipe section (8);
the elastic valve body (10) comprises a frame ring (11), a spring (12), a sealing plate (13) and a sealing rubber gasket (14), the frame ring (11) and the sealing plate (13) are connected through the spring (12), and the sealing rubber gasket (14) is bonded on the upper surface of the sealing plate (13); the diameter of the frame ring (11) is larger than that of the oil guide pipe (6) at the oil outlet end (9), and the diameters of the sealing plate (13) and the sealing rubber gasket (14) are larger than that of the oil guide pipe (6) at the oil inlet end (7);
in the valve pipe section (8), a spring (12) enables a frame ring (11) of the elastic valve body (10) to be arranged on one surface close to the oil outlet end (9), and a sealing rubber gasket (14) of the elastic valve body (10) is arranged on one surface close to the oil inlet end (7) through the spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533346.XA CN112498095A (en) | 2020-12-23 | 2020-12-23 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533346.XA CN112498095A (en) | 2020-12-23 | 2020-12-23 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112498095A true CN112498095A (en) | 2021-03-16 |
Family
ID=74921951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011533346.XA Pending CN112498095A (en) | 2020-12-23 | 2020-12-23 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112498095A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132896A (en) * | 1994-11-04 | 1996-05-28 | Mitsubishi Motors Corp | Fuel supply device |
| US5542706A (en) * | 1995-01-11 | 1996-08-06 | Safety Engineering Associates, Inc. | Motor vehicle fuel system |
| JP2000120494A (en) * | 1998-10-15 | 2000-04-25 | Mikuni Adec Corp | Evapotranspiration fuel treating device |
| CN202557282U (en) * | 2012-03-29 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Novel structure of oil filling pipe assembly |
| CN103318014A (en) * | 2012-03-19 | 2013-09-25 | 裴文才 | Anti-theft oil tank |
| CN109931302A (en) * | 2017-12-17 | 2019-06-25 | 南京苏五道信息科技有限公司 | A kind of engineering machinery oil tank theft-prevention structure |
| CN210706880U (en) * | 2019-08-29 | 2020-06-09 | 丰田自动车株式会社 | Fuel filler pipe protection component |
| CN214396404U (en) * | 2020-12-23 | 2021-10-15 | 赵子中 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
-
2020
- 2020-12-23 CN CN202011533346.XA patent/CN112498095A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132896A (en) * | 1994-11-04 | 1996-05-28 | Mitsubishi Motors Corp | Fuel supply device |
| US5542706A (en) * | 1995-01-11 | 1996-08-06 | Safety Engineering Associates, Inc. | Motor vehicle fuel system |
| JP2000120494A (en) * | 1998-10-15 | 2000-04-25 | Mikuni Adec Corp | Evapotranspiration fuel treating device |
| CN103318014A (en) * | 2012-03-19 | 2013-09-25 | 裴文才 | Anti-theft oil tank |
| CN202557282U (en) * | 2012-03-29 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Novel structure of oil filling pipe assembly |
| CN109931302A (en) * | 2017-12-17 | 2019-06-25 | 南京苏五道信息科技有限公司 | A kind of engineering machinery oil tank theft-prevention structure |
| CN210706880U (en) * | 2019-08-29 | 2020-06-09 | 丰田自动车株式会社 | Fuel filler pipe protection component |
| CN214396404U (en) * | 2020-12-23 | 2021-10-15 | 赵子中 | Anti-theft oil automobile oil tank with bent oil filling pipe combined with one-way valve |
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