CN112963276A

CN112963276A - All-terrain vehicle

Info

Publication number: CN112963276A
Application number: CN202110199681.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Segway Technology Co Ltd
Current assignee: Segway Technology Co Ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-06-15

Abstract

The invention discloses an all-terrain vehicle which comprises a frame, a cockpit, a container, an air filter, an engine and an air inlet pipe, wherein the cockpit and the container are arranged along the length direction of the frame, the cockpit is provided with a back plate, the back plate is adjacent to the container, the back plate is provided with an air inlet, the air filter and the engine are both arranged on the frame, the air filter and the engine are both positioned below the container, the air filter is provided with an air inlet hole and an air outlet hole, the air outlet hole is connected with the engine, one end of the air inlet pipe is connected with the air inlet hole, and the other end of the air inlet pipe is connected with the air inlet hole. According to the all-terrain vehicle disclosed by the embodiment of the invention, the external pollutants entering the air filter through the air inlet can be effectively reduced, the service life of the filter element of the air filter is prolonged, the replacement frequency of the filter element of the air filter is reduced, and the use cost of the all-terrain vehicle is reduced.

Description

All-terrain vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to an all-terrain vehicle.

Background

All-Terrain vehicles (All Terrain Vehicle) have good off-road performance, can carry people or transport goods, and are designed to be small in size in order to ensure the off-road performance of the All-Terrain vehicles and reduce the weight of the All-Terrain vehicles. In the related art, the all-terrain vehicle usually adopts an air filter to filter outside air, the filtered air enters an engine to be combusted, the arrangement of the air filter of the all-terrain vehicle is limited by the volume of the all-terrain vehicle, so that outside pollutants can easily enter the air filter, the service life of a filter element of the air filter is shortened, the replacement frequency of the filter element of the air filter is increased, and the use cost is increased.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

To this end, embodiments of the present invention provide an all terrain vehicle that may reduce large particle impurities from entering an air filter.

The all-terrain vehicle comprises a frame, a cockpit, a container, an air filter, an engine and an air inlet pipe, wherein the cockpit and the container are arranged along the length direction of the frame, the cockpit is provided with a back plate, the back plate is adjacent to the container, the back plate is provided with an air inlet, the air filter and the engine are both installed on the frame, the air filter and the engine are both positioned below the container, the air filter is provided with an air inlet hole and an air outlet hole, the air outlet hole is connected with the engine, one end of the air inlet pipe is connected with the air inlet hole, and the other end of the air inlet pipe is connected with the air inlet hole.

According to the all-terrain vehicle disclosed by the embodiment of the invention, the air inlet is arranged on the back plate of the cab and is opposite to the container, and the air inlet is not exposed, so that external pollutants entering the air filter through the air inlet can be effectively reduced, the service life of the filter element of the air filter is prolonged, the replacement frequency of the filter element of the air filter is reduced, and the use cost of the all-terrain vehicle is reduced.

In some embodiments, one end of the air inlet pipe is connected with the air inlet, and the other end of the air inlet pipe extends towards the inner side of the cab and then penetrates out of the back plate to be connected with the air inlet of the air filter.

In some embodiments, the air inlet pipe comprises a first pipe section and a second pipe section, one end of the first pipe section is connected with the air inlet, the other end of the first pipe section extends towards the inner side of the cab and is connected with one end of the second pipe section, and the other end of the second pipe section penetrates through the back plate and is connected with the air inlet of the air filter.

In some embodiments, the height of the air inlet is not higher than the height of the cargo box.

In some embodiments, the all terrain vehicle further comprises a filter hood disposed at the air intake, the filter hood being removably coupled to the back panel.

In some embodiments, the back plate is provided with a first groove and a second groove, the filter cover is provided with an insertion piece and an elastic piece, the insertion piece is matched in the first groove, and the elastic piece is elastically clamped in the second groove.

In some embodiments, the air filter includes a housing and a filter element disposed within the housing along a height direction of the vehicle frame.

In some embodiments, a driver seat and a passenger seat are arranged in the driver cabin, and the air inlet is arranged at the rear side of the driver seat, or the air inlet is arranged at the rear side of the passenger seat, or the air inlet is arranged between the driver seat and the passenger seat.

In some embodiments, the all terrain vehicle further comprises an expansion chamber, one end of the expansion chamber being connected to the outlet aperture, the engine having a throttle valve, the other end of the expansion chamber being connected to the throttle valve.

In some embodiments, the expansion chamber has a first passage for gas flow, the throttle valve has a second passage for gas flow, and a ratio of a minimum cross-sectional area of the first passage to a cross-sectional area of the second passage is 1.4 or more.

Drawings

FIG. 1 is a schematic view of an all terrain vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic view of an all terrain vehicle with the cargo box removed according to an embodiment of the present invention;

FIG. 3 is a schematic view of an air filter of an all-terrain vehicle according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the air filter shown in FIG. 3;

FIG. 5 is a partial schematic view of an all terrain vehicle according to an embodiment of the present invention;

fig. 6 is a partial top view of an all terrain vehicle of an embodiment of the present invention.

Reference numerals:

1. a frame;

2. a cockpit; 21. a gap; 22. a back plate; 221. a first groove; 222. a second groove; 223. an air inlet;

3. a cargo box;

4. an engine; 41. a throttle valve;

5. an expansion chamber;

6. an air inlet pipe; 61. a first tube section; 62. a second tube section;

8. an air filter; 81. an air inlet; 82. an air outlet; 83. a housing; 84. a filter element;

9. a filter housing; 91. inserting sheets; 92. an elastic sheet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 and 2, an all-terrain vehicle according to an embodiment of the invention includes a frame 1, a cab 2, a cargo box 3, an air filter 8, an engine 4, and an intake duct 6.

Wherein, frame 1 is the basis of all-terrain vehicle for install various spare parts, cockpit 2 and packing box 3 arrange and have clearance 21 between cockpit 2 and the packing box 3 along the length direction (the fore-and-aft direction that the arrow in fig. 1 shows) of frame 1, cockpit 2 is located the front end of frame 1, packing box 3 is located the rear end of frame 1, one side that cockpit 2 is close to packing box 3 is equipped with backplate 22, backplate 22 sets up along the direction of height of frame 1, be equipped with air intake 223 on the backplate 22.

The air filter 8 and the engine 4 are both mounted on the frame 1, the air filter 8 and the engine 4 are both located below the cargo box 3, the air filter 8 is used for filtering air, and the filtered air enters the engine 4 and is combusted to generate kinetic energy for the all-terrain vehicle to use. Specifically, the air filter 8 has an air intake hole 81 and an air outlet hole 82, the air intake hole 81 of the air filter 8 being connected to the air intake hole through the intake pipe 6, and the air outlet hole 82 of the air filter 8 being connected to the engine 4.

According to the all-terrain vehicle disclosed by the embodiment of the invention, the air inlet 223 is arranged on the back plate 22 of the cab 2 and is opposite to the container 3, and the air inlet is not exposed, so that external pollutants entering the air filter 8 through the air inlet 223 can be effectively reduced, the service life of the filter element 84 of the air filter 8 is prolonged, the replacement frequency of the filter element 84 of the air filter 8 is reduced, and the use cost of the all-terrain vehicle is reduced.

In some embodiments, one end of the air inlet pipe 6 is connected to the air inlet 223, and the other end of the air inlet pipe 6 extends toward the inside of the cabin 2 and then passes through the back panel 22 to be connected to the air inlet 81 of the air filter 8, in other words, the air inlet pipe 6 is connected to the air inlet 223 at one side of the cabin 2, and the air inlet pipe 6 passes through the lower portion of the back panel 22 and is connected to the air inlet 81 of the air filter 8 located below the cargo box 3.

So set up, 6 main parts of intake pipe are located cockpit 2, make full use of the interior limited space of all terrain vehicle, and can not occupy the space of frame 1 rear end, can not influence the normal use of packing box 3, reasonable in design.

In some embodiments, the air intake pipe 6 includes a first pipe section 61 and a second pipe section 62, one end of the first pipe section 61 is connected to the air intake 223, the other end of the first pipe section 61 extends toward the inside of the cabin 2 and is connected to one end of the second pipe section 62, and the other end of the second pipe section 62 passes through the back panel 22 and is connected to the air intake 81 of the air filter 8.

The first pipe section 61 is made of metal or plastic material with high hardness to improve the rigidity of the connection part of the air inlet pipe 6 and the air inlet 223, so as to prevent the air inlet pipe 6 from deforming due to external force and ensure the stable connection of the air inlet pipe 6 and the back plate 22. The second pipe section 62 can be made of rubber materials, so that the air inlet pipe 6 can be conveniently connected with the air inlet hole 81 of the air filter 8 after being bent below the back plate 22, the second pipe section 62 can improve the installation error between the air inlet pipe 6 and the air filter 8, the air inlet pipe 6 and the air filter 8 can be conveniently assembled, and the probability of loosening and air leakage at the joint between the air inlet pipe 6 and the air filter 8 is reduced because the second pipe section 62 has the buffering and damping functions.

In some embodiments, the height of the air inlet 223 is not higher than that of the container 3, and the container 3 can completely shield the air inlet 223, so that the probability of large-particle impurities entering the air filter 8 through the air inlet 223 is greatly reduced, and the service life of the filter element 84 of the air filter 8 is prolonged.

As shown in fig. 3, further, the all-terrain vehicle further includes a filter cover 9, the filter cover 9 is disposed at the air inlet 223, the filter cover 9 has an effect of filtering impurities, so that the probability of the larger impurities entering the air inlet pipe 6 can be reduced, and the service life of the filter element 84 of the air filter 8 is further prolonged.

As shown in fig. 4, optionally, the filter cover 9 is detachably connected to the back plate 22, for example, a first groove 221 and a second groove 222 are arranged on the back plate 22, the filter cover 9 has an insertion sheet 91 and an elastic sheet 92, the insertion sheet 91 is inserted into the first groove 221, and the elastic sheet 92 is elastically clamped in the second groove 222, so that when the filter cover 9 needs to be cleaned, the filter cover 9 can be detached from the back plate 22, which is very convenient, and further improves the practicability of the all-terrain vehicle.

In some embodiments, the air filter 8 includes a housing 83 and a filter element 84, the filter element 84 is disposed in the housing 83 along the height direction of the frame 1, and the top of the housing 83 is provided with an end cap, and the filter element 84 can be replaced after the end cap is opened.

It should be noted that, in the related art, the filter element 84 of the air filter 8 of the all-terrain vehicle is arranged generally horizontally, and the airflow direction is from bottom to top and then passes through the filter element 84, such an arrangement has a high requirement on the up-and-down size of the space, in this embodiment, due to the limitation of the rear cargo box 3, the up-and-down size of the position where the air filter 8 is arranged is limited, and if the filter element 84 is arranged horizontally, the volume of the air filter 8 is small, and the airflow direction is not smooth, so that the intake efficiency of the engine 4 is affected, and the performance of the engine. In the embodiment, the filter element 84 of the air filter 8 is arranged approximately vertically, and the air flow passes through the filter element 84 from front to back, so that the volume of the air filter 8 is increased, the overall air flow resistance of an air inlet system is reduced, and the performance of the engine 4 is improved.

In some embodiments, a driver seat and a passenger seat are arranged in the cockpit 2, the driver seat and the passenger seat are arranged at intervals along the width direction of the frame, the air inlet 223 can be arranged at the rear side of the driver seat, the rear side of the passenger seat, or between the driver seat and the passenger seat, and the specific position of the air inlet can be selected according to the actual situation.

As shown in fig. 5 and 6, in some embodiments, the atv further includes an expansion chamber 5, one end of the expansion chamber 5 is connected to the air outlet 82, the engine 4 has a throttle valve 41, and the other end of the expansion chamber 5 is connected to the throttle valve 41. The throttle 41 is a controllable valve for controlling air to enter the engine 4, and the air is mixed with gasoline to become combustible mixture after entering the engine 4, so as to perform combustion work.

According to the all-terrain vehicle provided by the embodiment of the invention, the expansion cavity 5 is arranged between the engine 4 and the air filter 8, and the expansion cavity 5 is an irregular cavity, so that the air flowing from the air filter 8 to the engine 4 expands due to the increase of the space when passing through the expansion cavity 5, thereby reducing the resistance, providing the stable combustion airflow required by the engine 4, being beneficial to improving the working stability of the engine 4, and the expansion cavity 5 can play a role in buffering the intake air, thereby effectively reducing the noise generated by the intake air of the engine 4.

Further, the expansion chamber 5 has a first passage through which the air flows, and the throttle valve 41 has a second passage through which the air flows, and the ratio of the minimum cross-sectional area of the first passage to the cross-sectional area of the second passage is 1.4 or more.

The inventors have found that when the ratio of the minimum cross-sectional area of the first passage to the cross-sectional area of the second passage is 1.4 or more, the intake system resistance value of the engine 4 is small, the intake efficiency is high, and the power of the engine 4 is high, and when the above ratio is less than 1.4, the intake system resistance value of the engine 4 is increased, and the power of the engine 4 is decreased.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An all-terrain vehicle, comprising:

a frame;

the cab and the container are arranged along the length direction of the frame, the cab is provided with a back plate, the back plate is adjacent to the container, and an air inlet is formed in the back plate;

the air filter and the engine are both mounted on the frame and are positioned below the cargo box, the air filter is provided with an air inlet hole and an air outlet hole, and the air outlet hole is connected with the engine;

and one end of the air inlet pipe is connected with the air inlet, and the other end of the air inlet pipe is connected with the air inlet.

2. The all-terrain vehicle of claim 1, characterized in that one end of the air inlet pipe is connected with the air inlet, and the other end of the air inlet pipe extends towards the inner side of the cab and then penetrates out of the back plate to be connected with the air inlet of the air filter.

3. The all-terrain vehicle of claim 2, characterized in that the air intake pipe comprises a first pipe section and a second pipe section, one end of the first pipe section is connected to the air intake opening, the other end of the first pipe section extends toward the inside of the cab and is connected to one end of the second pipe section, and the other end of the second pipe section passes through the back panel and is connected to the air intake opening of the air filter.

4. The all-terrain vehicle of claim 1, characterized in that the height of the air intake is no greater than the height of the cargo box.

5. The all terrain vehicle of claim 1 further comprising a filter cage disposed at the air intake opening, the filter cage being removably coupled to the back panel.

6. The all-terrain vehicle of claim 5, characterized in that the back plate is provided with a first slot and a second slot, the filter cover is provided with a plug and a spring sheet, the plug is matched in the first slot, and the spring sheet is elastically clamped in the second slot.

7. The all-terrain vehicle of claim 1, characterized in that the air filter comprises a housing and a filter element disposed within the housing along a height of the frame.

8. The all-terrain vehicle of claim 1, characterized in that a driver's seat and a passenger seat are disposed within the driver's cabin, the air intake is disposed at a rear side of the driver's seat, or the air intake is disposed at a rear side of the passenger seat, or the air intake is disposed between the driver's seat and the passenger seat.

9. The all-terrain vehicle of claim 1, further comprising an expansion chamber, one end of the expansion chamber being connected to the air outlet aperture, the engine having a throttle valve, the other end of the expansion chamber being connected to the throttle valve.

10. The all-terrain vehicle of claim 9, characterized in that the expansion chamber has a first passage for gas communication, the throttle valve has a second passage for gas communication, and a ratio of a minimum cross-sectional area of the first passage to a cross-sectional area of the second passage is greater than or equal to 1.4.