Centrally-mounted fuel tank for agricultural machinery

Abstract

The utility model provides an agricultural machinery centrally-mounted fuel tank which comprises a tank body, the length of the upper portion of the tank body is reduced in the front-back direction, a step face is formed, a front-back through air inlet channel is formed in the position, higher than the step face, of the upper portion of the tank body, and the air inlet channel is isolated from the interior of the tank body; an oil return port, an oil filling port, an oil suction port and an oil quantity sensor mounting port are formed in the top of the tank body. The oil leakage prevention device can be installed in a cabin of an agricultural machine, is suitable for a compact machine type, is compact in structure, and avoids external abrasion and oil leakage risks; the step surface can be matched with the bottom surface of the box body to limit the box body in the vertical direction; through the step surface structure of the box body, the arrangement space of components such as an air inlet pipeline of the engine is provided, and meanwhile it is guaranteed that the capacity of the lower portion of the box body can be fully improved; the engine can suck air from the rear side of the fuel tank, the air suction resistance is small, and the tank body can be cooled by means of airflow.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery fuel tank technical field, concretely relates to a kind of agricultural machinery middle-set fuel tank. BACKGROUND

[0002] Agricultural machinery fuel tank is the important component of storage and supply diesel, and provides the diesel required by engine through fuel system. The design of fuel tank usually considers capacity, shape and material and other factors. At present, in the agricultural machinery such as tractor, fuel tank is mostly externally placed below cab. For high-end compact machine type in hilly or paddy field operation, the ground clearance of whole vehicle is small, front and rear wheel track is also narrow, the space below cab is narrow, cannot meet the volume requirement, and is easy to wear and scratch, there is the risk of oil leakage. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a fuel tank suitable for compact machine type, meet the volume requirement, reduce the risk of oil leakage.

[0004] The technical scheme for solving the above technical problem of the utility model is as follows:

[0005] The utility model provides a kind of agricultural machinery middle-set fuel tank, including tank body, the length of the upper portion of tank body is smaller along front-back direction and forms step surface, the upper portion of tank body and the position higher than step surface are equipped with front-back through air inlet channel, air inlet channel and tank body inside are isolated from each other;The top of tank body is equipped with oil return port, oil inlet, oil suction port and oil volume sensor installation port.

[0006] The utility model has the beneficial effects that:

[0007] The utility model can be installed in the cabin of agricultural machinery, suitable for compact machine type, compact structure, avoid external wear and tear, avoid the risk of oil leakage. When installing, the step surface and tank body bottom surface can be used to realize the limiting of tank body vertical direction;Through the step surface structure of tank body, the arrangement space of engine air inlet pipe and other components is provided, while ensuring that the lower part of tank body can sufficiently improve capacity;Through the air inlet channel higher than step surface, engine can inhale air from the rear side of fuel tank, with small air suction resistance, and can use air flow to cool tank body.

[0008] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0009] Further, the oil return port and the oil suction port are located on both sides of the oil inlet.

[0010] It is convenient to increase the distance between the oil return port and the oil suction port, so that it is greater than 300mm, to increase the fuel circulation path, reduce the fuel flow rate, improve the heat dissipation, separate the air and precipitate the impurities.

[0011] Further, the oil suction port and the oil quantity sensor mounting port are located on the same side of the oil filling port.

[0012] The remaining oil quantity in the fuel tank can be accurately displayed.

[0013] Further, the oil quantity sensor mounting port is provided with a flange-shaped sealing groove.

[0014] When the oil quantity sensor is installed, the flange of the oil quantity sensor can be matched with the sealing groove, which is good in stability and improves the sealing performance.

[0015] Further, the top of the tank is also provided with hood cover plate fixing holes.

[0016] Preferably, the hood cover plate fixing holes are trapezoidal blind holes or threaded blind holes, and the upper cover plate of the hood is provided with buckles corresponding to the trapezoidal blind holes, fasteners such as screws corresponding to the threaded blind holes, etc. When the upper cover plate of the hood is closed, the fasteners enter the hood cover plate fixing holes to realize fixation.

[0017] The upper space of the tank is utilized to fix the upper cover plate of the hood, and the structure is compact.

[0018] Further, the side wall of the tank is provided with a reinforcing groove, which is recessed towards the inside of the tank, and the reinforcing groove is arranged around the tank.

[0019] The strength of the tank is improved.

[0020] Further, the front end of the air inlet channel is provided with a connecting pipe, and the outer wall of the pipe opening of the connecting pipe is provided with a protruding rib.

[0021] The connecting pipe of the air inlet channel is connected to the air inlet pipeline of the engine, and the protruding rib can prevent the air inlet pipeline from falling off, which is good in stability.

[0022] Further, the rear side of the tank is provided with a plurality of embedded connectors around the rear end of the air inlet channel.

[0023] The embedded connectors are nuts or other connectors embedded in the side wall of the tank, which can be used to install a dust screen to prevent dust from being sucked into the air inlet system and provide pre-filtering for the engine air inlet system.

[0024] Further, the rear side of the tank is provided with a beveled groove corresponding to the position of the air inlet channel, the embedded connectors are located at the bottom of the beveled groove, and the bottom of the beveled groove forms an obtuse angle with the side wall of the beveled groove.

[0025] Foreign matter and rainwater are prevented from entering the mouth of the air inlet channel to affect the engine air inlet effect and improve safety.

[0026] Further, the bottom of the tank is provided with an arch bridge-shaped pipeline avoiding part, and the two sides of the pipeline avoiding part are provided with oil discharge ports.

[0027] The arch bridge-shaped space below the pipeline avoiding part can be used for laying hydraulic pipeline, and is compact; the oil drain port is located at the lowest position of the tank body, and is convenient for cleaning impurities and residual oil in the fuel tank. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a structural schematic view of the utility model.

[0029] Figure 2 It is a rear view of the utility model.

[0030] Figure 3 It is a left view of the utility model.

[0031] Figure 4 It is a front view of the utility model.

[0032] Figure 5 It is a bottom view of the utility model.

[0033] In the drawings, the technical features represented by the reference signs are as follows:

[0034] 1-tank body; 2-step surface; 3-air inlet channel; 4-oil return port; 5-oil filling port; 6-oil suction port; 7-oil quantity sensor mounting port; 8-hood cover plate fixing hole; 9-strengthening groove; 10-joint pipe; 11-embedded connecting piece; 12-bevel slot; 13-pipeline avoiding part; 14-oil drain port. DETAILED DESCRIPTION

[0035] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used for explaining the utility model and are not used for limiting the range of the utility model.

[0036] The utility model refers to Figures 1-5 .

[0037] The utility model provides a kind of agricultural machinery middle-mounted fuel tank, including tank body 1, the length of the upper portion of the tank body 1 is smaller along front-back direction and forms step surface 2, the upper portion of the tank body 1 and the position higher than step surface 2 are equipped with front-back through air inlet channel 3, air inlet channel 3 and tank body 1 inside are isolated from each other;The top of the tank body 1 is equipped with oil return port 4, oil filling port 5, oil suction port 6 and oil quantity sensor mounting port 7.

[0038] Principle:

[0039] For the convenience of understanding, the orientation (up, down, front, back, left and right) in the specification can refer to the orientation when the driver actually operates. When installed, the agricultural machinery center-mounted fuel tank of the utility model is installed in the nacelle of the agricultural machinery, located at the front side of the instrument panel and the rear side of the engine; each side of the tank body 1 can contact other equipment or components in the nacelle, realizing the limiting and fixing of the tank body 1 in the horizontal direction; the stepped surface 2 can be fixed by a pressing plate or a binding belt, realizing the limiting and fixing of the tank body 1 in the vertical direction. The space above the stepped surface 2 can be used for the passage of components such as the air intake pipe of the engine, and the air intake pipe of the engine can be connected to the air inlet channel 3, used for the engine to inhale air from the rear side of the fuel tank.

[0040] The utility model can be installed in the nacelle of the agricultural machinery, suitable for compact models, compact structure, avoiding external wear and tear and avoiding the risk of oil leakage. When installed, the stepped surface 2 can be used in cooperation with the bottom surface of the tank body 1 to realize the limiting of the tank body 1 in the vertical direction; through the stepped surface 2 structure of the tank body 1, the arrangement space of components such as the air intake pipe of the engine is provided, while ensuring that the lower part of the tank body 1 can fully improve the capacity; through the air inlet channel 3 higher than the stepped surface 2, the engine can inhale air from the rear side of the fuel tank, the air intake resistance is small, and the airflow can be used to cool the tank body 1.

[0041] Further, the oil return port 4 and the oil suction port 6 are located on both sides of the oil filling port 5 respectively.

[0042] It is convenient to increase the distance between the oil return port 4 and the oil suction port 6, so that it is greater than 300mm, to increase the fuel circulation path, to reduce the fuel flow rate, to improve heat dissipation, to separate air and to precipitate impurities.

[0043] Further, the oil suction port 6 and the oil quantity sensor mounting port 7 are located on the same side of the oil filling port 5.

[0044] It is convenient to accurately display the remaining oil quantity that can be sucked out of the fuel tank.

[0045] Further, the oil quantity sensor mounting port 7 is provided with a flange-shaped sealing groove 12.

[0046] When the oil quantity sensor is installed, the flange of the oil quantity sensor can cooperate with the sealing groove, good stability and improved sealing.

[0047] Further, the top of the tank body 1 is further provided with hood cover plate fixing holes 8 on both sides.

[0048] Preferably, the hood cover plate fixing holes 8 are trapezoidal blind holes or threaded blind holes, the upper cover plate of the hood is provided with fasteners such as buckles corresponding to the trapezoidal blind holes and screws corresponding to the threaded blind holes, and when the upper cover plate of the hood is closed, the fasteners enter the hood cover plate fixing holes 8 to realize fixing.

[0049] It is convenient to fix the upper cover plate of the hood by using the top space of the tank body 1, and the structure is compact.

[0050] Further, the side wall of the box 1 is provided with a reinforcing groove 9, the reinforcing groove 9 is recessed towards the inside of the box 1, and the reinforcing groove 9 is arranged around the box 1.

[0051] The strength of the box 1 is improved.

[0052] Further, the front end of the air inlet channel 3 is provided with a connecting pipe 10, and the outer wall of the pipe opening of the connecting pipe 10 is provided with a convex rib.

[0053] The connecting pipe 10 is convenient for connecting the air inlet pipeline of the engine, the convex rib can prevent the air inlet pipeline from falling off, and the stability is good.

[0054] Further, the rear side of the box 1 is provided with a plurality of embedded connecting pieces 11 around the rear end of the air inlet channel 3.

[0055] The embedded connecting piece 11 is a nut or other connecting piece embedded in the side wall of the box 1, which can be used to install a dust screen to prevent dust from being sucked into the air inlet system and provide pre-filtering for the engine air inlet system.

[0056] Further, the rear side of the box 1 is provided with a beveled groove 12 corresponding to the position of the air inlet channel 3, the embedded connecting piece 11 is located at the bottom of the beveled groove 12, and the bottom of the beveled groove 12 and the side wall of the beveled groove 12 form an obtuse angle.

[0057] The beveled groove 12 prevents sundries and rainwater from entering the mouth of the air inlet channel 3 and affecting the engine air inlet effect, thereby improving safety.

[0058] Further, the bottom of the box 1 is provided with an arched bridge-shaped pipeline avoiding part 13, and both sides of the pipeline avoiding part 13 are provided with oil drainage holes 14.

[0059] The arched bridge-shaped space below the pipeline avoiding part 13 can be used to arrange hydraulic pipelines, and the compactness is good; the oil drainage hole 14 is located at the lowest position of the box 1, which is convenient for cleaning impurities and residual oil in the fuel tank.

[0060] Preferably, the bottom right side, bottom right rear side, left and right sides, etc. of the box 1 can also be provided with avoiding parts for avoiding oil quantity sensors, hydraulic pipelines, mudguards, tires and other components.

[0061] In the description of the utility model, it is understood that if the description of the indicated direction, direction or position relation appears, for example: "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, the direction or position relation indicated in the specification is based on the direction or position relation shown in the drawing, only for the convenience of understanding the utility model and simplifying the description, and it is not indicated or implied that the indicated part, element or whole must have a specific direction, be constructed and operated in a specific direction, therefore it can not be understood as a limitation on the utility model.

[0062] In addition, if the order description language appears, for example: "first", "second" and the like, the use in the specification is for the convenience of understanding or simplifying the description, for example, in order to distinguish a plurality of technical features of the same type or function, and it is necessary to mention separately, the specification can adopt the way of prefix or suffix order description language to distinguish them. Therefore, it can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "a plurality of" is at least two, for example, two, three and the like, unless otherwise specifically limited.

[0063] In the utility model, if the structure relative action relation description language is adopted, for example: "installation", "connection", "connection", "fixing" and the like, unless otherwise specified and limited, it should be understood in a broad sense. For example, "installation", "connection", "connection" and the like, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be the communication or interaction between two elements; "fixed" can be integrated fixed, or detachable fixed through fastener; can be direct fixation, or fixation through intermediate medium. For ordinary skilled in the art, the specific meaning of the above description language in the utility model can be understood according to the specific situation, the context, the text meaning coherence and the like.

[0064] In the utility model, if the description language containing the accessory or the connection meaning appears, for example, the first feature is on or under the second feature, unless another explicit provision and limitation, should not be limited understanding, for example, "on" or "under" can be the first and second features directly contact, also can be the first feature and the second feature indirectly contact through the intermediate medium. For the ordinary skilled person in the art, can understand the specific meaning of the above description language in the utility model according to specific circumstances, the context, the text meaning coherence of the preceding and following text etc.

[0065] Further, the first feature is on, above and on the second feature can be the first feature is directly above or obliquely above the second feature, or just indicates that the first feature is higher than the second feature in horizontal height. The first feature is below, under and under the second feature can be the first feature is directly below or obliquely below the second feature, or just indicates that the first feature is less than the second feature in horizontal height.

[0066] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments, examples and features of different embodiments, examples described in the specification without contradiction, which should be included in the scope of the utility model.

[0067] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, within the scope of information available to the public, the skilled in the art can make changes, modifications, replacements and modifications to the above embodiments, still can be covered in the protection scope of the application.

Claims

1. An under-the-seat fuel tank for an agricultural machine, characterized by: The application relates to a box body (1) whose upper part is smaller in length along the front-rear direction and forms a stepped surface (2), the upper part of the box body (1) and the position higher than the stepped surface (2) are provided with an air inlet channel (3) penetrating through the front-rear direction, the air inlet channel (3) is isolated from the inside of the box body (1); the top of the box body (1) is provided with an oil return port (4), an oil filling port (5), an oil suction port (6) and an oil quantity sensor mounting port (7).

2. The midship fuel tank for agricultural machinery according to claim 1, characterized in that: The oil return port (4) and the oil suction port (6) are respectively located on the two sides of the oil filling port (5).

3. The midship-mounted fuel tank for agricultural machinery according to claim 2, characterized in that: The oil suction port (6) and the oil quantity sensor mounting port (7) are located on the same side of the oil filling port (5).

4. The midship-mounted fuel tank for agricultural machinery according to claim 3, characterized in that: The oil quantity sensor mounting port (7) is provided with a flange-shaped sealing groove.

5. The midship fuel tank for agricultural machinery of claim 1, wherein: The top of the box body (1) is further provided with a machine cover plate fixing hole (8) on the two sides.

6. The midship fuel tank for agricultural machinery of claim 1, wherein: The side wall of the box body (1) is provided with a reinforcing groove (9) which is recessed towards the inside of the box body (1), and the reinforcing groove (9) is arranged around the box body (1).

7. The midship-mounted fuel tank for agricultural machinery according to claim 1, characterized in that: The front end of the air inlet channel (3) is provided with a connecting pipe (10), and the outer wall of the pipe opening of the connecting pipe (10) is provided with a convex rib.

8. The midship-mounted fuel tank for agricultural machinery of claim 1, wherein: The rear side of the box body (1) is provided with a plurality of embedded connecting pieces (11) around the rear end of the air inlet channel (3).

9. The midship-mounted fuel tank for agricultural machinery according to claim 8, characterized in that: The rear side of the box body (1) is provided with an inclined slot (12) corresponding to the position of the air inlet channel (3), the embedded connecting piece (11) is located at the bottom of the inclined slot (12), and an obtuse angle is formed between the bottom of the inclined slot (12) and the side wall of the inclined slot (12).

10. The midship-mounted fuel tank for agricultural machinery of claim 1, wherein: The bottom of the box body (1) is provided with an arched bridge-shaped pipeline avoiding part (13), and the two sides of the pipeline avoiding part (13) are provided with oil discharge ports (14).

Images