WO2013149480A1 - 油箱防盗装置及防盗油箱 - Google Patents

油箱防盗装置及防盗油箱 Download PDF

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Publication number
WO2013149480A1
WO2013149480A1 PCT/CN2012/086333 CN2012086333W WO2013149480A1 WO 2013149480 A1 WO2013149480 A1 WO 2013149480A1 CN 2012086333 W CN2012086333 W CN 2012086333W WO 2013149480 A1 WO2013149480 A1 WO 2013149480A1
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WO
WIPO (PCT)
Prior art keywords
fuel
casing
fuel tank
theft
pipe
Prior art date
Application number
PCT/CN2012/086333
Other languages
English (en)
French (fr)
Inventor
魏群
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2013149480A1 publication Critical patent/WO2013149480A1/zh

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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
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • 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
    • B60K15/04—Tank inlets
    • B60K15/0403—Anti-siphoning devices
    • 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
    • B60K2015/03236—Fuel tanks characterised by special filters, 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
    • 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
    • B60K15/04—Tank inlets
    • B60K2015/0458—Details of the tank inlet
    • B60K2015/0496—Details of the tank inlet the fuel inlet being arranged on the top of the fuel tank

Definitions

  • Oil tank anti-theft device and anti-theft oil tank This application is submitted to the Chinese Patent Office on April 5, 2012, and the application number is 201210096932. 1 , the title of the invention is the priority of the Chinese patent application of the "fuel tank anti-theft device and the anti-theft fuel tank”. This is incorporated herein by reference.
  • the invention relates to the field of energy, in particular to a fuel tank anti-theft device and an anti-theft oil tank having the fuel tank anti-theft device.
  • the fuel tank anti-theft device can filter out particulate matter or other impurities present in the fuel oil on the one hand while refueling, on the other hand, Prevent others from stealing fuel from the fuel tank through the fuel filler. Background technique
  • Some mechanical equipment with fuel tanks especially those that need to be frequently used in the field or need to be parked in the wild, as well as some power generation equipment with fuel tanks that need to be operated in the field, such as generators, cars, construction machinery. Etc., it is necessary to refuel the fuel tank frequently.
  • the process of replenishing the fuel needs to consider filtering out the particulate matter or other impurities present in the fuel to facilitate the normal operation of the equipment.
  • these devices are placed unattended in the field, it is necessary to consider preventing others from stealing fuel from the fuel tank through the fuel filler.
  • Figure 1 shows a typical fuel tank filler cap structure for a typical generator set, which is generally divided into upper and lower parts, the upper part mainly includes a screw cap, and the lower part includes a fuel filter screen for filtering impurities in the fuel to be replenished. .
  • the fuel filler cap is not provided with any anti-theft device. As long as the fuel filler cap is opened, the fuel can be stolen from the fuel tank through the filler pipe. In order to prevent others from stealing the fuel in the fuel tank, it has been proposed to provide an anti-theft fuel filler structure in the fuel tank fuel filler cap.
  • Figures 2a, 2b and 2c show an example of a conventional anti-theft fuel filler structure.
  • the screen is integrally welded to the connecting flange (see Figure 2a), or the conventional fueling cap is replaced with a lock filler cap (see Figure 2b). And 2c), which prevents the thief from stealing fuel from the fuel filler.
  • the fuel filler cap can prevent the thief from stealing fuel from the fuel filler port
  • the method of welding the filter cap or welding the filter mesh on the connecting flange can be used to some extent
  • the fuel filter is generally The plastic mesh or wire mesh structure is easily damaged by sharp objects. In this case, it is impossible to filter out the particulate matter or other impurities present in the fuel.
  • the refueling filter used in the existing refueling port is usually a special filter screen, and generally has a large opening, and it is difficult to filter the fuel impurities.
  • the filter screen and the flange are welded together on the fuel tank, so that once the filter screen is clogged, the filter screen cannot be easily taken out and cleaned, so maintenance is inconvenient.
  • the invention provides a fuel tank anti-theft device and an anti-theft fuel tank which combines anti-theft and filtering while ensuring maintenance, so as to achieve better anti-theft effect, reduce the phenomenon of fuel being stolen from the fuel filler port, reduce the economic loss of the customer, and reduce the fuel tank. And the difficulty of maintenance of the filter.
  • an embodiment of the present invention provides a fuel tank anti-theft device, wherein the fuel tank anti-theft device is disposed on a fuel tank filler port for preventing fuel from being stolen from a fuel tank filler port, and the fuel tank anti-theft device includes: a casing, the casing At least one first side wall of the body is provided with at least one first filter screen; a fuel filler pipe extending from the upper top of the casing toward the outside of the casing, and one end of the fueling pipe is provided with a detachable top cover The other end of the fueling pipe is connected to the casing, and the fueling pipe is in communication with the inside of the casing, and the second filter is detachably disposed inside the pipe body of the fueling pipe. Fuel is introduced from one end of the fuel filler tube provided with a top cover, passes through the second filter screen, flows into the casing, and passes through the first filter screen into the fuel tank.
  • an embodiment of the present invention provides an anti-theft fuel tank, including: a tank, a fuel inlet, and a fuel outlet, wherein a fuel tank anti-theft device is disposed at the fuel inlet, and the fuel tank anti-theft device includes: a box body, At least one side wall of the casing is provided with at least one first screen; a fueling pipe, the fueling pipe projects from the upper top of the casing toward the outside of the casing, and one end of the fueling pipe is provided with detachable a top cover, the other end of the fuel filler pipe is connected to the casing, and the fuel filler pipe is in internal communication with the casing, and the inside of the pipe body of the fuel filler pipe is detachably provided with a second filter a net, fuel is fed from an end of the fuel filler tube provided with a top cover, passes through the second filter screen, flows into the casing, and passes through the first filter screen into the fuel tank.
  • the fuel tank anti-theft device and the anti-theft fuel tank provided by the invention can combine the anti-theft and the filtering while ensuring the maintenance simplicity.
  • the second filter screen is disposed inside the pipe body of the fuel filler pipe, after the fueling operation, the second filter mesh intercepts the impurities in the fuel to realize the fuel filtering function.
  • the first filter screen is further provided on the side wall of the casing of the fuel tank anti-theft device, this can further enhance the filtering effect of the fuel.
  • maintainability when it is necessary to perform maintenance work such as cleaning or replacement on the second filter screen, it is only necessary to take out the second filter screen which is detachably disposed inside the pipe body of the fuel filler pipe for maintenance.
  • the fuel tank anti-theft device provided by the invention and the anti-theft fuel tank with the fuel tank anti-theft device can be used in a diesel generator set, and can also be applied to any other function capable of realizing filtering when replenishing fuel and preventing others from stealing from the fuel filler port.
  • the function of the fuel can be applied to, for example, a car, a truck, a construction machine, an agricultural machine, an outdoor generator, or the like.
  • FIG. 1 is a schematic view showing a structure of a fuel tank filler cap for a conventional generator set
  • FIG. 2a, 2b and 2c are schematic views of a conventional fuel filler opening provided on a fuel filler cap;
  • FIG. 3 is a perspective view of the anti-theft fuel tank with a fuel tank anti-theft device according to the present invention; Front view of the anti-theft fuel tank of the anti-theft device;
  • Figure 5a is an enlarged schematic view of the fuel tank anti-theft device shown in Figure 4.
  • Figure 5b is a top plan view of the fuel tank anti-theft device shown in Figure 4.
  • Figure 6 is a partial right side cross-sectional view of the anti-theft fuel tank with the fuel tank anti-theft device shown in Figure 3;
  • Figure 7 is a right side view of Figure 6, showing a fuel flow path of the fuel tank anti-theft device of the present invention
  • Figure 8 is a top plan view of Figure 6 showing a fuel flow path of the fuel tank anti-theft device of the present invention.
  • FIG. 3 is a perspective view of the anti-theft fuel tank with the fuel tank anti-theft device according to the present invention
  • FIG. 4 is a front elevational view of the anti-theft fuel tank with the fuel tank anti-theft device shown in FIG. 3
  • FIG. 5a is an enlarged schematic view of the fuel tank anti-theft device shown in FIG. Figure 5b is a top plan view of the fuel tank anti-theft device of Figure 4.
  • an anti-theft tank with a fuel tank anti-theft device according to an embodiment of the present invention includes a tank 3, a fuel inlet 31 and a fuel outlet 32.
  • the fuel inlet 31 and the fuel outlet 32 are respectively disposed at the top side and the bottom corner side of the casing 3, and a fuel tank theft prevention device according to an embodiment of the present invention is provided at the fuel inlet 31.
  • the fuel that has been injected flows through the fuel tank anti-theft device and is injected into the tank 3 from the fuel inlet 31.
  • the fuel is discharged from the fuel outlet 32 of the fuel tank.
  • the fuel tank anti-theft device includes: a casing 1 having at least one first screen 12 disposed on at least one side wall of the casing; a fuel filler pipe 2,
  • the fuel filler tube 2 protrudes from the upper top surface 11 of the casing 1 to the outside of the casing, and one end of the fuel filler pipe 2 is provided with a detachable top cover 22, the other end of the fuel filler pipe 2 is connected with the casing 1, and the fuel filler pipe 2 and the casing
  • the body 1 is internally connected, and the inside of the pipe body 21 of the fuel filler pipe 1 is detachably provided with a second filter net 23, and the fuel is added from the end of the fuel filler pipe 1 provided with the detachable top cover 22, passing through the second The screen 23 then flows into the casing 1 and passes through the first screen 12 into the tank.
  • the filler pipe 2 and the casing 1 are fixed to the top wall 33 of the casing 3 of the anti-theft fuel tank by any known connection, wherein the fuel filler pipe 1 is provided with a top cover 22 One end is located outside the top wall 33 of the casing 3, the other end of the filler pipe 1 connected to the casing 1 and the casing 1 are located outside the top wall 3 of the casing 3.
  • the fuel tank anti-theft device of the present invention can be conveniently placed on the fuel tank.
  • the fuel filler pipe 1 and the casing 1 are in internal communication, the fuel can be introduced into the casing 1 after being inserted from the end of the fuel filler pipe 1 provided with the detachable top cover 22 and passing through the second filter mesh 23, thereby further Through the first filter 12 into the fuel tank, the refueling process is completed and the purpose of filtering the fuel is achieved.
  • the casing 1 is a rectangular parallelepiped casing, and the filler pipe 1 intersects the top wall of the casing 1 as it extends downward in the axial direction thereof.
  • the projection of the radial profile of the filler tube 1 in the casing 1 is at the bottom wall of the casing 1 away from the side wall of the casing 1 provided with the first screen 12.
  • the soft pipe may touch the side wall of the casing 1 although it may turn, but is disposed on the side wall of the casing 1.
  • the filler tube 2 leading out of the casing 1 is perpendicular to the upper top surface 11 of the casing 1.
  • the filler pipe 2 drawn to the outside of the casing 1 may not be perpendicular to the upper top surface 11 of the casing 1, that is, the fuel filler pipe 2 drawn to the outside of the casing 1 and the upper top surface 11 of the casing 1 are inclined.
  • the fuel pipe drawn to the outside of the casing can achieve the object of the present invention well regardless of whether it is perpendicular to the top surface of the casing.
  • other devices need to be installed on the upper portion of the fuel tank, and the fuel filler pipe is directed to the entire fuel tank or the machinery carrying the fuel tank.
  • the outside of the device is slightly inclined, for example inclined at an angle of 60 degrees to the top surface of the casing, which can reduce the interference of the refueling operation by other means provided on the upper part of the tank.
  • FIG. 6 to 8 illustrate a fuel tank anti-theft device according to another embodiment of the present invention, wherein FIG. 6 is a view
  • FIG. 3 is a partial right side cross-sectional view of the anti-theft fuel tank with a fuel tank anti-theft device
  • FIG. 7 is a right side view of FIG. 6, showing a fuel flow path of the fuel tank anti-theft device of the present invention
  • FIG. 8 is a top plan view of FIG.
  • the embodiment of the present invention differs from the embodiment described above with reference to FIGS. 3, 4, and 5a, and 5b in that the shape and structure of the casing 1 are different, and therefore only the differences between the two will be described below, and the description of the same contents will be omitted. As shown in Fig. 6, Fig. 7, and Fig.
  • the casing 1 is a T-shaped casing, wherein the T-shaped casing includes a horizontal portion and a vertical portion which are formed in a T shape as shown in Fig. 8, wherein The left rectangular parallelepiped portion of the illustrated T-shaped box body is a lateral portion, and the right rectangular parallelepiped portion (ie, the portion marked with up and down arrows) is a vertical portion, and the fuel filler pipe 1 extends downward along the axial direction thereof with the top wall of the casing 1 Intersecting, the projection of the radial profile of the filler tube 1 in the casing 1 is in the vertical portion of the T-shaped casing, and the side wall of the casing 1 provided with the first screen 12 is the side of the transverse portion of the T-shaped casing wall.
  • the first screen 12 is remote from the projection of the radial contour of the filler tube 2 in the casing 1.
  • the hard pipe does not bend from the vertical portion of the T-shaped casing 1 to the lateral portion of the T-shaped casing 1 because it cannot be bent. Therefore, the rigid pipe cannot directly protrude into the fuel tank where the fuel is stored, and the oil cannot be pumped.
  • the soft pipe may extend from the vertical portion of the T-shaped casing 1 to the lateral portion of the T-shaped casing 1 although it may bend.
  • the projection of the radial profile of the filler tube 1 in the casing 1 may also be in the lateral portion of the T-shaped casing, and the side wall of the casing 1 provided with the first screen 12 is T. The side wall of the vertical portion of the box. This also causes the first screen 12 to move away from the projection of the radial profile of the filler tube 1 in the casing 1.
  • the hard pipe does not bend from the cross portion of the T-shaped case 1 to the vertical portion of the T-shaped case 1 because it cannot be bent. Therefore, the rigid pipe cannot directly protrude into the fuel tank where the fuel is stored, and the oil cannot be pumped.
  • the soft pipe may extend from the lateral portion of the T-shaped casing 1 to the vertical portion of the T-shaped casing 1 although it may bend. And thus it is possible to reach the side wall of the vertical portion of the T-shaped case 1, but since the first filter screen 12 is disposed on the side wall of the vertical portion of the T-shaped case 1, the soft tube cannot protrude into the stored fuel.
  • the fuel is added from the end of the fuel filler pipe 1 provided with the detachable top cover 22 and is disposed through Tube body After the second second filter 23 of the interior 21, it descends into the T-shaped vertical portion of the T-shaped casing 1, and then branches into the T-shaped transverse portion of the T-shaped casing 1 respectively. Thereafter, the fuel passes through the first screen 12 provided on the side wall of the T-shaped lateral portion of the T-shaped casing 1 to enter the oil tank, thereby completing the refueling process and at the same time achieving the purpose of filtering the fuel.
  • the filler pipe 2 drawn to the outside of the casing 1 is not perpendicular to the upper top surface 11 of the casing 1, that is, the fuel filler pipe 2 and the casing 1 which are led out of the casing 1
  • the top surface 11 is inclined.
  • the filler pipe 2 drawn to the outside of the casing 1 can also be perpendicular to the upper top surface 11 of the casing 1.
  • the fuel pipe drawn to the outside of the casing can achieve the object of the present invention well regardless of whether it is perpendicular to the top surface of the casing.
  • other devices need to be installed on the upper portion of the fuel tank, and the fuel filler pipe is directed to the entire fuel tank or the machinery carrying the fuel tank.
  • the outside of the device is slightly inclined, for example inclined at an angle of 60 degrees to the top surface of the casing, which reduces the interference of the refueling operation by other means provided on the upper part of the tank.
  • the first screen 12 can be fixed to the side wall of the casing 1 by, for example, welding.
  • the first screen 12 is a hard screen, for example, which is welded to the casing and forms part of the side wall of the casing. This will be more conducive to preventing fuel from stealing from the fuel tank and further enhancing the fuel filtration effect.
  • the casing 1 may be selected from other shapes, such as a cube-shaped casing, in addition to a rectangular parallelepiped casing or a ⁇ -shaped casing.
  • the advantage of the cuboid box is that the box can have a longer extension distance in at least one horizontal direction, thereby enabling the first screen
  • the T-shaped case is shaped like a letter "T" when viewed from the top in the tank, but it is a box as a whole.
  • the filler tube 2 can be taken out from the upper surface 11 of the casing from the vertical portion of the T-shape, in which case the first screen 12 is disposed at least one of the lateral portions of the T-shape. On the side.
  • the first screen 12 is disposed on both side ends of the lateral portion of the T-shape.
  • the filler pipe 2 may be led out from the top surface 11 of the casing to the outside of the casing from the lateral portion of the T-shape, in which case the first screen 12 is disposed at least in the vertical portion of the T-shape. On one side.
  • the upper top surface 11 of the casing 1 is substantially planar.
  • the advantage of the upper top surface being planar is that when the fuel tank anti-theft device of the present invention is installed in the fuel tank, the upper top surface of the flat surface can be fitted to the top surface of the fuel tank, for example, it can be conveniently welded to the top surface of the fuel tank.
  • the second screen 23 is detachably disposed inside the tubular body 21 of the fuel filler tube 2. It will be understood by those skilled in the art that after the refueling operation, the second filter 23 intercepts the impurities in the fuel to realize the fuel filtering function. When it is necessary to perform maintenance work such as cleaning or replacement on the second filter 23, it is only necessary to take out the second sieve 23 inside the tubular body 21 of the filler pipe 1 for maintenance. Thus, the second screen 23 is detachably disposed within the tubular body 21 to facilitate cleaning of the fuel debris trapped in the screen.
  • the second filter 23 is arranged in substantially the same manner as the prior art, although the second filter may be opened by others to attempt to steal fuel from the fuel tank, but the casing 1 is in the fuel tank anti-theft device of the present invention.
  • the special design makes it difficult to insert a hard tube or hose into the tank.
  • the fuel tank anti-theft device of the present invention achieves the purpose of filtering oil for the fuel tank and prevents others from stealing fuel from the fuel tank.
  • the second screen 23 may be of a metal material or a plastic material. Those skilled in the art will appreciate that the use of different materials does not adversely affect the objectives of the present invention.
  • those skilled in the art can easily design and arrange the apertures of both according to prior knowledge and experience, and factors such as fueling speed and filtering effect are considered.
  • the second screen 23 is more convenient in terms of disassembly, cleaning, replacement, etc., the second screen 23 can be considered to use a filter having a smaller aperture in an acceptable range of fueling speed.
  • the fuel tank anti-theft device is disposed on the top wall 33 of the casing 3.
  • the filler pipe 2 and the casing 1 are fixed to the top wall 33 of the casing 3 of the anti-theft fuel tank by any known connection, wherein the one end of the fuel filler pipe 1 provided with the top cover 22 is located in the casing 3
  • the other end of the top wall 33, the other end of the filler pipe 1 connected to the casing 1, and the casing 1 are located outside the top wall 3 of the casing 3.
  • the fuel tank anti-theft device of the present invention It has a filtering function, so that the quality of the fuel injected into the fuel tank can be ensured; on the other hand, due to the special design of the fuel tank anti-theft device of the present invention, it is impossible for others to use a hose or a hard pipe to steal fuel from the fuel tank.
  • the fuel tank anti-theft device of the present invention and the anti-theft oil tank having the fuel tank anti-theft device, it is possible to achieve both anti-theft and filtering while ensuring ease of maintenance.
  • the hard pipe cannot be directly inserted into the fuel tank containing the fuel due to the restriction of the casing;
  • the soft pipe cannot protrude into the fuel tank containing the fuel due to the first filter screen provided on the side wall of the casing, and the oil cannot be pumped.
  • the second filter screen is detachably disposed inside the pipe body of the fuel filler pipe, so that after the fueling operation, the second filter mesh intercepts the impurities in the fuel to realize the filtration function of the fuel.
  • the filtering effect of the fuel can be further enhanced by the first screen disposed on the side wall of the casing of the fuel tank anti-theft device.

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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

一种油箱防盗装置及设置有该油箱防盗装置的防盗油箱。所述油箱防盗装置设置在油箱加油口上，用于防止从油箱加油口盗取燃油。所述油箱防盗装置包括：盒体（1），盒体（1）的至少一个侧壁上设置有至少一个第一滤网（12）；加油管（2），加油管（2）从盒体（1）的上顶面向盒体（1）外伸出，加油管（2）的一端设置有能够拆卸的顶盖（22），加油管（2）的另一端与所述盒体（1）连接，且加油管（2）与盒体（1）二者内部相通，加油管（2）的管体内部以可拆卸的方式设置有第二滤网（23），燃油从加油管（2）的设置有顶盖（22）的一端加入，穿过第二滤网（23）后流入盒体（1）内，并穿过第一滤网（12）进入油箱中。该油箱防盗装置及设置有该油箱防盗装置的防盗油箱能够兼顾防盗和过滤并同时保证维护简易性。

Description

油箱防盗装置及防盗油箱 本申请要求于 2012 年 4 月 5 日提交中国专利局， 申请号为 201210096932. 1 , 发明名称为 "油箱防盗装置及防盗油箱" 的中国专利申请的 优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及能源领域，尤其涉及一种油箱防盗装置及具有该油箱防盗装置 的防盗油箱，该油箱防盗装置一方面可以在加油时滤除所加燃油中存在的颗粒 物或其它杂质， 另一方面可以防止他人经由加油口从油箱盗取燃油。 背景技术
一些附有燃油箱的机械设备，特别是需要经常在野外作业或者需要在野外 泊靠的机械设备， 以及一些需要在野外作业的附有燃油箱的发电设备， 例如发 电机、 小汽车、 工程机械等， 需要经常向其燃油箱中补充燃油， 补充燃油的过 程需要考虑滤除所加燃油中存在的颗粒物或其它杂质， 以利于设备的正常运 行。 此外， 在这些设备放置在野外无人看护的情况下， 需要考虑防止他人经由 加油口从油箱盗取燃油。 图 1显示了目前一种典型的发电机组用的燃油箱加油盖结构，其大体上分 为上下两个部分， 上部主要包括拧盖， 下部包括用于滤除待补充燃油中杂质的 加油滤网。 这种加油盖没有设置任何防盗装置， 只要打开加油盖， 就可通过加 油管从油箱中偷取燃油。 为了防止他人盗取油箱中的燃油， 已提出在这种燃油 箱加油盖设置防盗加油口结构。 图 2a、 图 2b和图 2c示出现有防盗加油口结 构的例子。 在如图 2a、 图 2b和图 2c所示的加油口结构中， 滤网一体地焊接 在连接法兰上（见图 2a ), 或者将常规的加油盖换为带锁加油盖 （见图 2b和 2c ), 这样防止偷盗者从加油口处盗取燃油。 然而，这种加油盖尽管通过带锁加油盖或者将滤网焊接在连接法兰上的方 式可以一定程度上起到防止偷盗者从加油口处盗取燃油的作用，但是，加油滤 网一般为塑料网或铁丝网结构， 很容易被尖锐物体破坏， 在此情况下， 不可能 起到滤除所加燃油中存在的颗粒物或其它杂质的作用。 而且，现有的加油口中 所釆用的加油滤网通常是特制滤网，一般开孔很大，很难起到过滤燃油杂质的 作用。 此外， 滤网和法兰一起焊接在油箱上， 这样， 一旦滤网堵塞， 不能方便 地将滤网取出清洗， 因此维护不方便。
发明内容
本发明提供了一种兼顾防盗和过滤并同时保证维护简易性的油箱防盗装 置及防盗油箱， 以达到更好的防盗效果， 减少燃油从加油口被盗现象， 降低客 户的经济损失， 同时降低油箱及滤网维护的难度。
一方面， 本发明实施例提供了一种油箱防盗装置， 所述油箱防盗装置设置 在油箱加油口上， 用于防止从油箱加油口盗取燃油， 所述油箱防盗装置包括： 盒体， 所述盒体的至少一个侧壁上设置有至少一个第一滤网； 加油管， 所述加 油管从所述盒体的上顶面向盒体外伸出，所述加油管的一端设置有能够拆卸的 顶盖， 所述加油管的另一端与所述盒体连接，且所述加油管与所述盒体二者内 部相通， 所述加油管的管体内部以可拆卸的方式设置有第二滤网， 燃油从所述 加油管的设置有顶盖的一端加入， 穿过所述第二滤网后流入所述盒体内， 并穿 过所述第一滤网进入油箱中。
另一方面， 本发明实施例提供了一种防盗油箱， 包括： 箱体、 燃油入口和 燃油出口， 其中在所述燃油入口处设置有如油箱防盗装置， 所述油箱防盗装置 包括： 盒体， 所述盒体的至少一个侧壁上设置有至少一个第一滤网； 加油管， 所述加油管从所述盒体的上顶面向盒体外伸出，所述加油管的一端设置有能够 拆卸的顶盖， 所述加油管的另一端与所述盒体连接，且所述加油管与所述盒体 二者内部相通， 所述加油管的管体内部以可拆卸的方式设置有第二滤网， 燃油 从所述加油管的设置有顶盖的一端加入， 穿过所述第二滤网后流入所述盒体 内， 并穿过所述第一滤网进入油箱中。 本发明提供的油箱防盗装置和防盗油箱，能够兼顾防盗和过滤并同时保证 维护简易性。 具体而言， 在过滤性能方面， 由于加油管的管体内部设置有第二 滤网， 因此在进行加油作业后， 第二滤网将燃油中的杂物截留下来， 实现对燃 油的过滤功能。而且，由于在油箱防盗装置的盒体的侧壁上还设置有第一滤网， 这可以进一步强化燃油的过滤效果。在可维护性方面， 当需要对第二滤网进行 诸如清洗或更换等维护工作时，只需将以可拆卸的方式设置于加油管的管体内 部的第二滤网取出进行维护即可， 这保证了维护的简易性。 此外， 在防盗性能 方面，如果他人从加油管伸入硬质管来从油箱中抽取燃油时，硬质管受到盒体 的限制而不能直接伸入贮有燃油的油箱， 因此无法抽油； 如果他人从加油管伸 入软质管来从油箱中抽取燃油时，软质管因盒体侧壁上所设置的第一滤网而不 能伸入到贮有燃油的油箱， 无法抽油， 这样可以有效地实现防盗的功能。
本发明提供的油箱防盗装置和具有所述油箱防盗装置的防盗油箱可以用 于柴油发电机组中，还可以应用在任何其它既能在补充燃油时实现过滤的功能 又能防止他人从加油口盗取燃油的功能的场合，例如可以应用于小汽车、卡车、 工程机械、 农业机械、 户外发电机等中。 附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使 用的附图作简单的介绍。显而易见， 下面描述中的附图仅仅是示意出本发明的 一些实施例， 对于本领域普通技术人员而言， 在不付出创造性劳动的情况下， 还可以根据这些附图获得其他的附图。 附图中：
图 1是现有发电机组用的燃油箱加油盖结构的示意图；
图 2a、 图 2b和图 2c是设置在加油盖上的现有加油口结构的示意图； 图 3是根据本发明的具有油箱防盗装置的防盗油箱的立体示意图； 图 4是图 3所示具有油箱防盗装置的防盗油箱的正视示意图；
图 5a是图 4所示油箱防盗装置的放大示意图；
图 5b是图 4所示油箱防盗装置的俯视示意图；
图 6是图 3所示具有油箱防盗装置的防盗油箱的局部右视剖视图；
图 7是图 6的右视示意图， 示出本发明油箱防盗装置的燃油流路示意图； 以 及 图 8是图 6的俯视示意图， 示出本发明油箱防盗装置的燃油流路示意图。 具体实施方式
以下将结合附图通过具体的实施例来清楚、 完整地描述本发明。 显然， 所 描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例， 本领域技术 人员可以通过本发明所公开的内容了解本发明的其它特征和效果。
图 3 是根据本发明的具有油箱防盗装置的防盗油箱的立体示意图， 图 4 是图 3所示具有油箱防盗装置的防盗油箱的正视示意图， 图 5a是图 4所示油 箱防盗装置的放大示意图， 图 5b是图 4所示油箱防盗装置的俯视示意图。 如 图 3、 图 4和图 5a、 图 5b所示， 本发明一个实施例的具有油箱防盗装置的防 盗油箱包括箱体 3、 燃油入口 31和燃油出口 32。 燃油入口 31和燃油出口 32 分别设置在箱体 3的顶侧和底角侧， 并且在燃油入口 31处设置有根据本发明 一个实施例的油箱防盗装置。 加注的燃油流经油箱防盗装置后从燃油入口 31 注入箱体 3内， 在油箱工作状态下， 燃油从油箱的燃油出口 32处输出燃油。
具体如图 5a和图 5b所示， 根据本发明一个实施例的油箱防盗装置包括： 盒体 1 , 该盒体的至少一个侧壁上设置有至少一个第一滤网 12 ; 加油管 2 , 该 加油管 2从盒体 1的上顶面 11向盒体外伸出， 加油管 2的一端设置有能够拆 卸的顶盖 22 , 加油管 2的另一端与盒体 1连接， 并且加油管 2与盒体 1二者 内部相通， 加油管 1的管体 21内部以可拆卸的方式设置有第二滤网 23 , 燃油 从加油管 1的设置有能够拆卸的顶盖 22的一端加入，穿过第二滤网 23后流入 盒体 1内， 并穿过第一滤网 12进入油箱中。
如图 5a和图 5b所示并参见图 4 , 加油管 2和盒体 1通过已知的任何连接 方式固定于防盗油箱的箱体 3的顶壁 33 , 其中加油管 1的设置有顶盖 22的一 端位于箱体 3的顶壁 33的外部， 加油管 1的与盒体 1连接的另一端以及盒体 1位于箱体 3的顶壁 3的外部。 这样， 本发明的油箱防盗装置可以方便地设置 到油箱上。 由于加油管 1与盒体 1二者内部相通，因而可以使燃油在从加油管 1的设 置有能够拆卸的顶盖 22的一端加入并穿过第二滤网 23后流入盒体 1内，进而 穿过第一滤网 12进入油箱中， 完成加油过程并实现了过滤燃油的目的。
在根据本发明的该实施例中， 如图 4、 图 5a和图 5b所示， 盒体 1为长方 体盒体，加油管 1在沿其轴向向下延伸时与盒体 1的顶壁相交，加油管 1的径 向轮廓在盒体 1中的投影处于盒体 1的底壁， 远离设置有第一滤网 12的盒体 1的侧壁。 这样， 如果他人从加油管 2伸入硬质管欲从油箱中抽取燃油时， 硬 质管由于不能拐弯而会被盒体 1限制， 例如被盒体 1的侧壁挡住，从而硬质管 不能直接伸入贮有燃油的油箱， 无法抽油。 另一方面， 如果他人从加油管 2 伸入软质管欲从油箱中抽取燃油时， 软质管尽管可能会拐弯而触及到盒体 1 的侧壁， 但由于盒体 1 的侧壁上设置有第一滤网 12 , 从而软质管不能伸入到 贮有燃油的油箱， 无法抽油。
在根据本发明的该实施例中， 向盒体 1 外引出的加油管 2垂直于盒体 1 的上顶面 11。 当然， 向盒体 1外引出的加油管 2也可以不垂直于盒体 1的上 顶面 11 , 即， 向盒体 1外引出的加油管 2与盒体 1的上顶面 11呈倾斜状态。 向盒体外引出的加油管无论是否垂直于盒体上顶面，均可以良好地实现本发明 目的，但在某些情况下油箱上部需要安装其它装置，加油管向整个油箱或者载 有油箱的机械设备外侧稍微倾斜， 例如倾斜成与盒体上顶面呈 60度角， 这可 以减少加油作业受油箱上部设置的其它装置的干扰。
图 6至图 8示出根据本发明另一个实施例的油箱防盗装置，其中图 6是图
3所示具有油箱防盗装置的防盗油箱的局部右视剖视图， 图 7是图 6的右视示 意图，示出本发明油箱防盗装置的燃油流路示意图，图 8是图 6的俯视示意图， 示出本发明油箱防盗装置的燃油流路示意图。 本发明该实施例与以上参照图 3、 图 4和图 5a、 图 5b描述的实施例的区别在于盒体 1的形状结构不同， 因 此以下仅描述二者的不同而略去相同内容的赘述。 如图 6、 图 7和图 8所示， 盒体 1为 T形盒体， 其中所述 T形盒体包括 如图 8所示的构成 T字形的横部和竖部， 其中， 图 8所示的 T形盒体的左 边长方体部分为横部，右边的长方体部分（即标识有上下箭头的部分）为竖部， 加油管 1在沿其轴向向下延伸时与盒体 1的顶壁相交，加油管 1的径向轮廓在 盒体 1中的投影处于 T形盒体的竖部， 而盒体 1的设置有第一滤网 12的侧壁 为 T形盒体的横部的侧壁。 也就是说， 第一滤网 12远离加油管 2的径向轮廓 在盒体 1中的投影。这样， 如果他人从加油管 2伸入硬质管欲从油箱中抽取燃 油时，硬质管由于不能拐弯而不会从 T形盒体 1的竖部伸到 T形盒体 1的横部， 从而硬质管不能直接伸入贮有燃油的油箱， 无法抽油。 另一方面， 如果他人从 加油管 1 伸入软质管欲从油箱中抽取燃油时， 软质管尽管可能会拐弯而从 T 形盒体 1的竖部伸到 T形盒体 1的横部并从而可能触及到 T形盒体 1的横部的 侧壁， 但由于 T形盒体 1的横部的侧壁上设置有第一滤网 12 , 从而软质管不 能伸入到贮有燃油的油箱， 无法抽油。
尽管附图没有示出，但是加油管 1的径向轮廓在盒体 1中的投影也可处于 T形盒体的横部， 而盒体 1的设置有第一滤网 12的侧壁为 T形盒体的竖部的 侧壁。 这同样使得第一滤网 12远离加油管 1的径向轮廓在盒体 1中的投影。 这样，如果他人从加油管 2伸入硬质管欲从油箱中抽取燃油时，硬质管由于不 能拐弯而不会从 T形盒体 1的横部伸到 T形盒体 1的竖部，从而硬质管不能直 接伸入贮有燃油的油箱， 无法抽油。 另一方面， 如果他人从加油管 1伸入软质 管欲从油箱中抽取燃油时 ,软质管尽管可能会拐弯而从 T形盒体 1的横部伸到 T形盒体 1的竖部并从而可能触及到 T形盒体 1的竖部的侧壁， 但由于 T形盒 体 1 的竖部的侧壁上设置有第一滤网 12 , 从而软质管不能伸入到贮有燃油的 油箱, 无法抽油„
在根据本发明的该实施例中，如图 7和图 8中由箭头标示的燃油流路所示， 燃油在从加油管 1的设置有能够拆卸的顶盖 22的一端加入并穿过设置在管体 21内部的第二滤网 23后，下行进入 T形盒体 1的 T字形的竖部中，然后分流， 分别进入 T形盒体 1的 T字形的横部中。其后， 燃油穿过 T形盒体 1的 T字形 的横部的侧壁上设置的第一滤网 12而进入油箱中， 从而完成加油过程并同时 实现了过滤燃油的目的。
在根据本发明的该实施例中， 向盒体 1外引出的加油管 2不垂直于盒体 1 的上顶面 11 , 即， 向盒体 1外引出的加油管 2与盒体 1的上顶面 11呈倾斜状 态。 当然， 向盒体 1外引出的加油管 2也可以垂直于盒体 1的上顶面 11。 向 盒体外引出的加油管无论是否垂直于盒体上顶面，均可以良好地实现本发明目 的，但在某些情况下油箱上部需要安装其它装置，加油管向整个油箱或者载有 油箱的机械设备外侧稍微倾斜， 例如倾斜成与盒体上顶面呈 60度角， 这减少 加油作业受油箱上部设置的其它装置的干扰。
在根据本发明的以上所有实施例中， 第一滤网 12可以例如通过焊接而固 定于盒体 1的侧壁。 优选地， 第一滤网 12是硬质滤网， 例如其是焊接于盒体 上并构成盒体侧壁的一部分。这样可以更加有利于防止从油箱中盗取燃油， 同 时也进一步强化了燃油过滤效果。
在根据本发明的以上所有实施例中 ,盒体 1除了是长方体盒体或者 τ形盒 体外， 还可以根据实际需要选择为其他形状， 例如正方体盒体。 长方体盒体的 好处是可以使盒体在至少一个水平方向有较长的伸展距离，从而可使第一滤网
12远离加油管 2的径向轮廓在盒体中的投影面， 避免盗取燃油软管或硬管对 滤网造成损伤。 T 形盒体在安装到油箱中后， 从俯视方向看为字母 "T" 的形 状， 但其整体为一盒体。 对于 T形盒体而言， 加油管 2可以从 T字形的竖部从 盒体上顶面 11向盒体外引出，在此情况下， 第一滤网 12设置在 T字形的横部 的至少一侧端上。 优选地， 为了加强燃油的过滤效果， 在 T字形的横部的两侧 端上都设置有第一滤网 12。 可选地， 加油管 2可以从 T字形的横部从盒体上 顶面 11向盒体外引出，在此情况下， 第一滤网 12设置在 T字形的竖部的至少 一侧端上。
在根据本发明的以上所有实施例中， 盒体 1的上顶面 11基本上为平面。 上顶面为平面的好处是在将本发明油箱防盗装置安装到油箱中时，平面的上顶 面可以与油箱的顶面配合， 例如可以方便地焊接到油箱的顶面。
在根据本发明的以上所有实施例中， 第二滤网 23以可拆卸的方式设置于 加油管 2的管体 21 内部。 本领域技术人员可以理解， 在进行加油作业后， 第 二滤网 23将燃油中的杂物截留下来， 从而实现燃油的过滤功能。 当需要对第 二滤网 23进行诸如清洗或更换等维护工作时， 只需将处于加油管 1的管体 21 内部的第二滤网 23取出进行维护即可。 这样， 第二滤网 23以可拆卸的方式设 置于管体 21 内有利于对滤网中所截留的燃油杂物进行清洁。 可见， 第二滤网 23 的设置方式与现有技术基本上相同， 虽然该第二滤网可能会被他人打开以 试图从油箱中盗取燃油，但是由于在本发明油箱防盗装置中盒体 1的特殊设计 而难以向油箱中插入硬管或者软管。 由此， 本发明的油箱防盗装置既实现了为 油箱进行滤油的目的， 又可以防止他人从油箱中盗取燃油。
在根据本发明的以上所有实施例中， 第二滤网 23可以是金属材质或者塑 料材质的。 本领域技术人员可以理解， 釆用不同材质对于实现本发明目的没有 不利的影响。 另外， 对于第一滤网和第二滤网， 本领域技术人员可以根据已有 知识和经验容易设计和安排二者的孔径，考虑的因素例如包括加油速度和过滤 效果等。 考虑到第二滤网 23在拆卸、 清洗、 更换等方面更加方便， 在加油速 度可接受的范围内， 第二滤网 23可以考虑釆用孔径更小的滤网。
此外，在具有根据本发明的油箱防盗装置的防盗油箱中， 油箱防盗装置设 置于箱体 3的顶壁 33。具体参见图 4 ,加油管 2和盒体 1通过已知的任何连接 方式固定于防盗油箱的箱体 3的顶壁 33 , 其中加油管 1的设置有顶盖 22的所 述一端位于箱体 3的顶壁 33的外部， 加油管 1的与盒体 1连接的所述另一端 以及盒体 1位于箱体 3的顶壁 3的外部。一方面， 由于本发明的油箱防盗装置 具有过滤功能， 因此可以保证注入到油箱中的燃油的品质； 另一方面， 由于本 发明的油箱防盗装置的特殊设计， 他人无法使用软管或者硬管从油箱盗取燃 油。
综上所述， 利用本发明的油箱防盗装置及具有该油箱防盗装置的防盗油 箱， 能够兼顾防盗和过滤并同时保证维护简易性。 具体而言， 如果他人从加油 管伸入硬质管欲从油箱中抽取燃油时 ,硬质管由于受到盒体的限制而不能直接 伸入贮有燃油的油箱， 无法抽油； 如果他人从加油管伸入软质管欲从油箱中抽 取燃油时，软质管因盒体侧壁上所设置的第一滤网而不能伸入到贮有燃油的油 箱， 无法抽油。 此外， 第二滤网以可拆卸的方式设置于加油管的管体内部， 这 样， 在进行加油作业后， 第二滤网将燃油中的杂物截留下来， 实现对燃油的过 滤功能。 同时， 当需要对第二滤网进行诸如清洗或更换等维护工作时， 只需将 处于加油管管体内部的第二滤网取出进行维护即可。 而且， 由于设置在油箱防 盗装置的盒体的侧壁上的第一滤网， 还可以进一步强化燃油的过滤效果。
尽管申请人在上文以各种实施方案对本发明作了详细阐述，然而本领域技 术人员可以在本发明的精神和范围内对这些实施方案进行各种形式的组合、修 改， 这些组合或修改的实施方案均落在本发明所要求保护的范围内。
以上所描述的实施例仅是示例性的。本领域技术人员可以在不脱离本发明 的范围和主旨的情况下对上述的实施例进行各种修改和变型。

Claims

权 利 要 求
1. 一种油箱防盗装置， 所述油箱防盗装置设置在油箱加油口上， 用于防 止从油箱加油口盗取燃油， 其特征在于， 所述油箱防盗装置包括：
盒体， 所述盒体的至少一个侧壁上设置有至少一个第一滤网；
加油管， 所述加油管从所述盒体的上顶面向盒体外伸出， 所述加油管的一 端设置有能够拆卸的顶盖， 所述加油管的另一端与所述盒体连接，且所述加油 管与所述盒体二者内部相通，所述加油管的管体内部以可拆卸的方式设置有第 二滤网， 燃油从所述加油管的设置有顶盖的一端加入， 穿过所述第二滤网后流 入所述盒体内， 并穿过所述第一滤网进入油箱中。
2. 根据权利要求 1所述的油箱防盗装置， 其特征在于， 所述盒体为长方 体盒体， 所述加油管在沿其轴向向下延伸时与所述盒体的顶壁相交， 所述加油 管的径向轮廓在所述盒体中的投影处于所述盒体的底壁。
3. 根据权利要求 1所述的油箱防盗装置， 其特征在于， 所述盒体为 T形 盒体， 其中所述 T形盒体包括构成 T字形的横部和竖部， 所述加油管在沿其 轴向向下延伸时与所述盒体的顶壁相交，所述加油管的径向轮廓在所述盒体中 的投影处于所述 T形盒体的竖部 ,而所述盒体的设置有所述第一滤网的侧壁为 所述 T形盒体的横部的侧壁。
4. 根据权利要求 1所述的油箱防盗装置， 其特征在于， 所述盒体为 T形 盒体， 其中所述 T形盒体包括构成 T字形的横部和竖部， 所述加油管在沿其 轴向向下延伸时与所述盒体的顶壁相交，所述加油管的径向轮廓在所述盒体中 的投影处于所述 T形盒体的横部，而所述盒体的设置有所述第一滤网的侧壁为 所述 T形盒体的竖部的侧壁。 5、 根据权利要求 1所述的装置， 其特征在于， 所述第二检测模块还包括第二开关电路，所述第二开关电路用于根据所述第二 针脚的电压变化控制所述第二故障检测点的电平状态，所述第二开关电路的输 入端与所述第二针脚相连，所述第二开关电路的输出端与所述第二故障检测点 相连。
5. 根据权利要求 1所述的油箱防盗装置， 其特征在于， 所述第一滤网是 硬质滤网。
6. 根据权利要求 1所述的油箱防盗装置， 其特征在于， 所述盒体的上顶 面为平面。
7. 根据权利要求 1至 5中任一项所述的油箱防盗装置， 其特征在于， 所 述加油管垂直于所述盒体的上顶面。
8. 一种防盗油箱， 所述防盗油箱包括：
箱体；
燃油入口； 和燃油出口，
其特征在于，在所述燃油入口处设置有油箱防盗装置， 其中所述油箱防盗 装置是如权利要求 1至 7任一项所述的油箱防盗装置。
9. 根据权利要求 8所述的防盗油箱， 其特征在于， 所述油箱防盗装置的 加油管和盒体固定于所述防盗油箱的箱体的顶壁，其中所述加油管的设置有顶 盖的所述一端位于所述箱体的顶壁的外部，所述加油管的与所述盒体连接的所 述另一端以及所述盒体位于所述箱体的顶壁的外部。
PCT/CN2012/086333 2012-04-05 2012-12-11 油箱防盗装置及防盗油箱 WO2013149480A1 (zh)

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