Air filter dust discharge injection structure and tractor

Abstract

The utility model provides an air filter dust discharge injection structure and a tractor. A dust discharge injection structure of an air filter comprises the air filter, a dust discharge injection steel pipe and an exhaust tail pipe, and the air filter is connected with the exhaust tail pipe through the dust discharge injection steel pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to tractor air filter technical field especially relates to a kind of air filter dust extraction structure and tractor. BACKGROUND

[0002] Air filter is a kind of suspended particles in air, prevent the device of particle into engine, main effect is to provide clean air for mechanical equipment.In harsh working environment, dust in air filter accumulates too much, leading to engine power shortage, and further leading to air filter replacement filter core cycle shortening, increase the use cost of air filter, and need to stop maintenance, affect operation efficiency, bring economic loss to user.

[0003] In order to save cost, increase driver's field of vision, most of the tractor currently uses built-in cyclone tube air filter structure, due to the hood interior space is large enough, can increase dust extraction structure on air deflector, to this way, prolong the service life and maintenance cycle of air filter.But for compact structure hilly terrain model, internal space is narrow, cannot increase dust extraction structure on air deflector, in addition, space limitation also leads to air filter air intake insufficient, affect engine performance, and further affect the whole vehicle operation efficiency. SUMMARY

[0004] The utility model provides a kind of air filter dust extraction structure and tractor to solve the technical problems of prior art.

[0005] The technical scheme that the utility model solves above-mentioned technical problem is as follows: a kind of air filter dust extraction structure, comprising: air filter, dust extraction steel pipe and exhaust tail pipe, the air filter is connected with the exhaust tail pipe by the dust extraction steel pipe.

[0006] The beneficial effects of the technical scheme of the utility model are: by connecting air filter and exhaust tail pipe, form negative pressure, dust in air filter is sucked out, prolongs the service life and maintenance cycle of air filter, further improves engine performance.Solve the problem that high-end compact model is caused by air intake insufficient and leads to engine performance limited, simultaneously, dust in air filter can also be sucked out, prolongs the maintenance cycle and service life of air filter, facilitates user use, reduces user economic loss.

[0007] Further, the two sides of the exhaust tail pipe are provided with concave surface, and the connection position of the dust extraction steel pipe and the exhaust tail pipe is adjacent to the concave surface.

[0008] The beneficial effects of the above-mentioned further technical scheme are: the two sides of exhaust tail pipe are provided with concave surface, for increasing cross-section negative pressure, easy to suck dust in air filter out.

[0009] Further, the air filter is provided with an air filter rear end cover and a dust discharging port, and the dust discharging injection steel pipe is connected with the dust discharging port.

[0010] The beneficial effect of the above further technical solution is that the air filter and the exhaust tail pipe are connected to form a negative pressure, the dust in the air filter rear end cover is sucked out, the service life and maintenance period of the air filter are prolonged, and the engine performance is further improved. The problem of insufficient air intake of high-end compact engine models leading to limited engine performance is solved, and the dust in the air filter rear end cover is also sucked out, the maintenance period and service life of the air filter are prolonged, the user is facilitated, and economic loss is reduced.

[0011] Further, the dust discharging injection steel pipe is connected with the dust discharging port through a dust discharging injection rubber pipe, and the length of the dust discharging injection steel pipe is greater than the length of the dust discharging injection rubber pipe.

[0012] The beneficial effect of the above further technical solution is that the dust discharging injection steel pipe is as long as possible, the dust discharging injection rubber pipe is as short as possible, and the material of the dust discharging injection steel pipe is stainless steel. The heat conduction performance of stainless steel is poor, which prevents the dust discharging injection steel pipe from being too high in temperature and causing the dust discharging injection rubber pipe to be baked.

[0013] Further, the two ends of the dust discharging injection rubber pipe are respectively connected with the dust discharging injection steel pipe and the dust discharging port through a ring.

[0014] The beneficial effect of the above further technical solution is that the two ends of the dust discharging injection rubber pipe are respectively connected with the dust discharging injection steel pipe and the dust discharging port in a detachable manner, which facilitates installation and maintenance.

[0015] Further, one end of the dust discharging injection steel pipe is provided with a bent opening, the bent opening is connected with the exhaust tail pipe, and the bent opening faces the output side of the exhaust tail pipe.

[0016] The beneficial effect of the above further technical solution is that the tail part of the dust discharging injection steel pipe is provided with a bent opening, which is used to increase the cross-sectional negative pressure of the exhaust tail pipe at the concave part, is beneficial to increase the dust discharging injection effect, and can also prevent the hot air in the exhaust tail pipe from flowing back into the air filter.

[0017] Further, one side of the exhaust tail pipe is provided with an oval hole, and the dust discharging injection steel pipe is connected with the oval hole.

[0018] The beneficial effect of the above further technical solution is that the oval hole is arranged on one side of the exhaust tail pipe, which facilitates welding of the exhaust tail pipe and the dust discharging injection steel pipe through a welding process.

[0019] Further, a fixing support is arranged on the exhaust tail pipe and the dust discharging injection steel pipe, and a flange is arranged at one end of the exhaust tail pipe.

[0020] The beneficial effect of the further technical solution is that the whole air filter dust discharging and injection structure is installed in the corresponding position of the whole machine through the fixing support and the flange.

[0021] Further, the material of the dust discharging and injection steel pipe is stainless steel.

[0022] The beneficial effect of the further technical solution is that the poor heat conduction performance of the stainless steel prevents the dust discharging and injection steel pipe from being too high in temperature and baking the dust discharging and injection rubber pipe.

[0023] In addition, the utility model provides a tractor which comprises the air filter dust discharging and injection structure of any one of the above.

[0024] The beneficial effect of the technical solution of the utility model is that the air filter and the exhaust tail pipe are connected to form a negative pressure, dust in the air filter is sucked out, the service life and the maintenance period of the air filter are prolonged, and the engine performance is further improved.

[0025] The advantages of the additional aspects of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 Fig. 1 is a structural schematic diagram of an air filter dust discharging and injection structure provided by an embodiment of the utility model.

[0027] Figure 2 Fig. 2 is a structural schematic diagram of an air filter dust discharging and injection structure provided by an embodiment of the utility model.

[0028] Figure 3 Fig. 3 is a structural schematic diagram of an air filter dust discharging and injection structure provided by an embodiment of the utility model.

[0029] Figure 4 Fig. 4 is a structural schematic diagram of an air filter dust discharging and injection structure provided by an embodiment of the utility model.

[0030] Explanation of reference signs: 1, air filter; 2, dust discharging and injection rubber pipe; 3, dust discharging and injection steel pipe; 4, exhaust tail pipe; 5, fixing support; 6, flange; 7, ring hoop; 8, rear end cover of air filter; 9, dust discharging port; 10, concave surface; 11, elliptical hole; 12, bent port. DETAILED DESCRIPTION

[0031] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0032] As shown in Figures 1 to 4 The utility model discloses an air filter dust exhaust injection structure, including: air filter 1, dust exhaust injection steel pipe 3 and exhaust tail pipe 4, air filter 1 is connected with exhaust tail pipe 4 through dust exhaust injection steel pipe 3.

[0033] The beneficial effects of the utility model technical scheme are: by connecting the air filter and the exhaust tail pipe, forming negative pressure, sucking out the dust in the air filter, prolonging the service life and maintenance period of the air filter, further improving the engine performance. Solve the problem that the high-end compact engine type is limited by the engine performance due to insufficient air intake, and also can suck out the dust in the air filter, prolong the maintenance period and service life of the air filter, facilitate user use, reduce user economic loss.

[0034] The utility model discloses an air filter dust exhaust injection structure, which can solve the problem that the high-end compact engine type is limited by the engine performance due to insufficient air intake, and also can suck out the dust in the rear end cover 8 of the air filter, prolong the maintenance period and service life of the air filter, facilitate user use, reduce user economic loss. The utility model technical scheme includes: air intake system and exhaust system. Wherein the air intake system includes air filter 1 and dust exhaust injection rubber pipe 2;The exhaust system includes exhaust tail pipe 4 and dust exhaust injection steel pipe 3. By connecting air filter 1 and exhaust tail pipe 4, forming negative pressure, sucking out the dust in the rear end cover (air filter rear end cover 8) of the air filter, prolonging the service life and maintenance period of the air filter, further improving the engine performance.

[0035] The utility model discloses an air filter dust exhaust injection structure, according to the internal space arrangement of bonnet, air filter dust exhaust injection pipeline is connected to exhaust tail pipe 4. Dust exhaust injection steel pipe 3 designs as long as possible, and designs the bending mouth 12 at the tail part;Dust exhaust injection rubber pipe 2 designs as short as possible, and exhaust tail pipe 4 is equipped with oval hole 11, and sets up transition concave surface structure at the bending mouth 12 of injection steel pipe (dust exhaust injection steel pipe 3).

[0036] The air filter dust discharging and ejecting structure provided by the embodiment of the utility model can prolong the service life and maintenance period of the air filter, improve the engine performance, improve the operation efficiency of the whole vehicle, bring great use convenience to the user, and reduce the economic loss of the user.

[0037] As shown in the figure, Figures 1 to 4 Further, the air filter 1 is provided with an air filter rear end cover 8 and a dust discharging port 9, and the dust discharging and ejecting steel pipe 3 is connected with the dust discharging port 9.

[0038] The beneficial effect of the above further technical solution is that the concave surface is arranged on both sides of the exhaust tail pipe to increase the cross-sectional negative pressure and easily suck out the dust in the air filter.

[0039] As shown in the figure, Figures 1 to 4 Further, the air filter 1 is provided with an air filter rear end cover 8 and a dust discharging port 9, and the dust discharging and ejecting steel pipe 3 is connected with the dust discharging port 9.

[0040] The beneficial effect of the above further technical solution is that the air filter and the exhaust tail pipe are connected to form a negative pressure, the dust in the air filter rear end cover is sucked out, the service life and maintenance period of the air filter are prolonged, and the engine performance is further improved. The problem that the engine performance is limited due to insufficient air intake of the high-end compact engine type is solved, the dust in the air filter rear end cover is sucked out, the maintenance period and service life of the air filter are prolonged, the user is facilitated, and the economic loss of the user is reduced.

[0041] As shown in the figure, Figures 1 to 4 Further, the dust discharging and ejecting steel pipe 3 is connected with the dust discharging port 9 through the dust discharging and ejecting rubber pipe 2, and the length of the dust discharging and ejecting steel pipe 3 is greater than the length of the dust discharging and ejecting rubber pipe 2.

[0042] The beneficial effect of the above further technical solution is that the dust discharging and ejecting steel pipe is as long as possible, the dust discharging and ejecting rubber pipe is as short as possible, the material of the dust discharging and ejecting steel pipe is stainless steel, the heat conduction performance of the stainless steel is poor, and the temperature of the dust discharging and ejecting steel pipe is prevented from being too high to bake the dust discharging and ejecting rubber pipe.

[0043] As shown in the figure, Figures 1 to 4As shown, further, two ends of the dust exhaust ejection rubber pipe 2 are connected with the dust exhaust ejection steel pipe 3 and the dust exhaust port 9 respectively through the hoops 7.

[0044] The beneficial effect of the above further technical solution is that the two ends of the dust exhaust ejection rubber pipe are detachably connected with the dust exhaust ejection steel pipe and the dust exhaust port, facilitating installation and maintenance.

[0045] As shown in the figure, Figures 1 to 4 Further, one end of the dust exhaust ejection steel pipe 3 is provided with a bent port 12, which is connected with the exhaust tail pipe 4; the bent port 12 faces the output side of the exhaust tail pipe 4.

[0046] The beneficial effect of the above further technical solution is that the dust exhaust ejection steel pipe tail is provided with a bent port, which is used to increase the negative pressure of the cross section of the exhaust tail pipe at the concave surface, which is beneficial to increase the dust exhaust ejection effect, and can also prevent the hot air in the exhaust tail pipe from flowing back into the air filter.

[0047] As shown in the figure, Figures 1 to 4 Further, one side of the exhaust tail pipe 4 is provided with an oval hole 11, and the dust exhaust ejection steel pipe 3 is connected with the oval hole 11.

[0048] The beneficial effect of the above further technical solution is that the oval hole is provided on one side of the exhaust tail pipe, which facilitates the welding of the exhaust tail pipe and the dust exhaust ejection steel pipe through the welding process.

[0049] The oval hole 11 can be located adjacent to the concave surface 10 or directly at the location of the concave surface 10.

[0050] As shown in the figure, Figures 1 to 4 Further, the exhaust tail pipe 4 and the dust exhaust ejection steel pipe 3 are both provided with a fixed support 5; one end of the exhaust tail pipe 4 is provided with a flange 6.

[0051] The beneficial effect of the above further technical solution is that the entire air filter dust exhaust ejection structure is installed at the corresponding position of the whole machine through the fixed support and the flange.

[0052] Further, the dust exhaust ejection steel pipe 3 is made of stainless steel.

[0053] The beneficial effect of the above further technical solution is that the stainless steel has poor heat conduction performance, which prevents the dust exhaust ejection steel pipe from being too high to bake the dust exhaust ejection rubber pipe.

[0054] As shown in the figure, Figures 1 to 4As shown, the air filter dust removal injection structure provided by the embodiment of the utility model can be an air filter dust removal injection device, which comprises: an air filter 1, a dust removal injection rubber pipe 2, a dust removal injection steel pipe 3, an exhaust tail pipe 4, a fixing support 5, a flange 6 and a ring hoop 7. The air filter 1 is provided with an air filter rear end cover 8 and a dust removal port 9; the exhaust tail pipe 4 is provided with a concave surface 10 on both sides, which is used for increasing the cross-section negative pressure and easily sucking out the dust in the air filter 1. In addition, the exhaust tail pipe 4 is provided with an oval hole 11 on one side, and the exhaust tail pipe 4 and the dust removal injection steel pipe 3 are welded through a welding process. In addition, the dust removal injection steel pipe 3 is provided with a bent opening 12 at the tail part, which is used for increasing the cross-section negative pressure of the exhaust tail pipe 4 at the concave surface 10, is beneficial to increasing the dust removal injection effect, and can also prevent the hot air in the exhaust tail pipe 4 from flowing back into the air filter 1. The dust removal injection steel pipe 3 and the dust removal port 9 are connected through the dust removal injection rubber pipe 2, and the two ends are fixed through the ring hoop 7. The whole dust removal injection structure (air filter dust removal injection structure) is installed at the corresponding position of the whole machine through the fixing support 5 and the flange 6.

[0055] When the engine is running, air is sucked into the air filter 1, filtered through the filter element, enters the engine turbocharging system to generate high-pressure gas, then enters the exhaust port into the aftertreatment system, is regenerated through catalysis / oxidation / high temperature, then enters the exhaust tail pipe 4, and is finally discharged into the atmosphere. When the high-pressure gas flows near the concave surface 10 of the exhaust tail pipe 4, negative pressure will gradually be generated in the exhaust tail pipe 4. When the high-pressure gas flows to the bent opening 12 of the dust removal injection steel pipe 3, the negative pressure in the exhaust tail pipe 4 reaches the maximum, which can suck out the dust of the air filter rear end cover 8 to the maximum extent and discharge the exhaust gas into the atmosphere. Since the exhaust gas temperature is high, the dust removal injection steel pipe 3 is as long as possible, the dust removal injection rubber pipe 2 is as short as possible, the material of the dust removal injection steel pipe 3 should be stainless steel (stainless steel has poor heat conduction performance), and the temperature of the steel pipe (dust removal injection steel pipe 3) is prevented from being too high to bake the dust removal injection rubber pipe 2.

[0056] In summary, the utility model can effectively prolong the service life and maintenance period of the air filter, improve the engine performance, improve the working efficiency of the whole vehicle, bring great use convenience to the user, and reduce the economic loss of the user.

[0057] In addition, the utility model also provides a tractor, which comprises the air filter dust removal injection structure of any one of the above.

[0058] The beneficial effect of the technical scheme of the utility model is: through connecting the air filter and the exhaust tail pipe, forming negative pressure, sucking out the dust in the air filter, prolonging the service life and maintenance period of the air filter, further improving the engine performance.

[0059] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. An air cleaner dust evacuation ejector structure, characterized by, The application relates to an air filter dust exhaust injection structure. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

2. The air filter dust evacuation ejection structure according to claim 1, characterized by, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

3. The air filter dust evacuation ejector structure of claim 1, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

4. The air filter dust evacuation ejector structure of claim 3, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

5. The air filter dust evacuation ejector structure of claim 4, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

6. The air filter dust evacuation ejector structure of claim 1, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

7. The air filter dust evacuation ejector structure of claim 1, wherein The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

8. The air filter dust evacuation ejector structure of claim 1, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

9. The air filter dust evacuation ejector structure of claim 1, wherein, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe.

10. A tractor characterised in that, The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail pipe through the dust exhaust injection steel pipe. The air filter is connected with the dust exhaust injection steel pipe and the exhaust tail

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