JP5820121B2 - Intake device for saddle-ride type vehicles - Google Patents

Description

  The present invention relates to an intake device for a saddle-ride type vehicle composed of intake system components such as an air cleaner.

  In Patent Document 1, a throttle part (46) is provided on the clean side (45) of an air cleaner case (42), and a sub-chamber (48) having a large cross-sectional area is provided downstream of the throttle part (46) in the air cleaner case (42). A structure that reduces intake pulsation by being provided integrally is disclosed.

Japanese Patent No. 4240431

  In the above structure, the throttle portion (46) is integrally formed with the air cleaner case (42) to form the sub-chamber (48), and also serves as an element holder that supports the element (43). The volume of the sub chamber (48) and the degree of freedom in manufacturing are limited.

  The present invention has been made in view of such circumstances, and an object thereof is to provide an intake device for a saddle-ride type vehicle capable of improving the volume of a sub-chamber coupled to an air cleaner case and the degree of freedom in manufacturing.

  As a means for solving the above-mentioned problems, the invention according to claim 1 includes an air cleaner (31) including a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41). The air cleaner of the vehicle (1) includes a sub-chamber case (32) connected to the clean side (41) of the air cleaner case (38) and supplying intake air to the fuel supply device (34). A flange (59) held between the case (38) and the sub chamber case (32), and extends from the flange (59) into the air cleaner case (38) and into the sub chamber case (32). A throttle having an upstream cylindrical portion (60) and a downstream cylindrical portion (61) that narrows the passage cross-sectional area from the upstream side toward the downstream side To provide a suction device for a saddle type vehicle, characterized in that comprises a timber (58, 70).

The invention according to claim 2 includes an air cleaner (31) provided with a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41), and the air cleaner case (38). In the intake device of the saddle-ride type vehicle, which is connected to the clean side (41) and includes a sub chamber case (32) for supplying intake air to the fuel supply device (34), the air cleaner case (38) and the sub A flange (59) held between the chamber case (32), and an upstream cylindrical portion extending from the flange (59) into the air cleaner case (38) and into the sub chamber case (32) ( 60) and a downstream cylindrical portion (61), and a throttle member (58, 70) for reducing the cross-sectional area of the passage from the upstream side toward the downstream side. The upstream tubular portion (60) is characterized in that an upstream end opening (62) and a side wall opening (63).

According to a third aspect of the present invention, there is provided an air cleaner (31) having a filter element (42) for dividing an air cleaner case (38) into a dirty side (40) and a clean side (41), and the air cleaner case (38). In the intake device of the saddle-ride type vehicle, which is connected to the clean side (41) and includes a sub chamber case (32) for supplying intake air to the fuel supply device (34), the air cleaner case (38) and the sub A flange (59) held between the chamber case (32), and an upstream cylindrical portion extending from the flange (59) into the air cleaner case (38) and into the sub chamber case (32) ( 60) and a downstream cylindrical portion (61), and a throttle member (58, 70) for reducing the cross-sectional area of the passage from the upstream side toward the downstream side. The air cleaner case (38) includes a case body having a maintenance opening (39) and (36), wherein constructed out with a lid member for covering the maintenance opening (39) (37), said maintenance opening (39) The filter element (42) can be maintained by opening and the opening (62) of the upstream cylindrical portion (60) does not face the maintenance opening (39), and the subchamber case ( 32) is characterized in that it is arranged below the air cleaner case (38) when the vehicle is mounted.
According to a fourth aspect of the present invention, there is provided an air cleaner (31) having a filter element (42) for dividing an air cleaner case (38) into a dirty side (40) and a clean side (41), and the air cleaner case (38). In the intake device of the saddle-ride type vehicle, which is connected to the clean side (41) and includes a sub chamber case (32) for supplying intake air to the fuel supply device (34), the air cleaner case (38) and the sub A flange (59) held between the chamber case (32), and an upstream cylindrical portion extending from the flange (59) into the air cleaner case (38) and into the sub chamber case (32) ( 60) and a downstream cylindrical portion (61), and a throttle member (58, 70) for reducing the cross-sectional area of the passage from the upstream side toward the downstream side. The air cleaner case (38) includes a case body (36) having a maintenance opening (39) and a lid member (37) covering the maintenance opening (39), and the maintenance opening (39). The filter element (42) can be maintained by opening the opening, and the opening (62) of the upstream cylindrical portion (60) faces the maintenance opening (39), and the air cleaner case (38) A filter member (73) is provided between the maintenance opening (39) and the opening (62) of the upstream cylindrical portion (60).

According to a fifth aspect of the present invention, in the intake device for a saddle-ride type vehicle according to any one of the first to fourth aspects, the air cleaner case (38) and the sub-chamber case (32) are L-shaped. The upstream cylindrical portion (60) is curved along the L shape.

According to a sixth aspect of the present invention, in the intake device for a saddle-ride type vehicle according to any one of the first to fourth aspects, the air cleaner case (38) is disposed in front of the head pipe (6), The sub chamber case (32) is arranged above the engine (12) from the side of the head pipe (6) in a side view.

According to a seventh aspect of the present invention, in the intake device for a saddle-ride type vehicle according to any one of the first to sixth aspects, a resonator (51) is disposed along the sub-chamber case (32). It is characterized by that.

According to an eighth aspect of the present invention, in the intake device for a saddle-ride type vehicle according to the seventh aspect , the resonator (51) and the sub-chamber case (32) are disposed in a leg shield (23). It is characterized by.

According to the first aspect of the present invention, the throttle member is held between the cases to improve the support of the throttle member, and the sub-chamber case is provided without being affected by the shape of the air cleaner case and the manufacturing process. And intake air can be supplied satisfactorily.
According to the second aspect of the present invention, the throttle member is held between the cases to improve the support of the throttle member, and the sub-chamber case is provided without being affected by the shape of the air cleaner case and the manufacturing process. And intake air can be supplied satisfactorily. Further , intake pulsation can be reduced by adding different flows from the side wall to the intake air flow from the upstream end opening while shortening the intake pipe length by taking intake air in the middle of the throttle member.
According to the third aspect of the present invention, the throttle member is held between the cases to improve the support of the throttle member, and the sub-chamber case is provided without being affected by the shape of the air cleaner case and the manufacturing process. And intake air can be supplied satisfactorily. In addition, it is possible to prevent foreign matter from falling downstream of the air cleaner case during maintenance.
According to the fourth aspect of the present invention, the throttle member is held between the cases so as to improve the support of the throttle member, and the sub-chamber case is provided without being affected by the shape of the air cleaner case and the manufacturing process. And intake air can be supplied satisfactorily. Further, for example , when the throttle member is straight and the opening of the upstream cylindrical portion faces the maintenance opening, foreign matter from the maintenance opening can be caught by the filter member.
According to the invention described in claim 5, while maintaining the length of the tubular portion, it can be disposed an aperture in the center portion of the air cleaner case.
According to invention of Claim 6 , a subchamber case can be enlarged by utilizing space effectively.
According to the seventh aspect of the present invention, the resonator can be enlarged, and intake pulsation can be effectively reduced.
According to the eighth aspect of the invention, the appearance of the vehicle can be improved and the intake noise can be reduced.

1 is a left side view of a motorcycle equipped with an intake device according to a first embodiment of the present invention. 1 is a left side view of a state where the intake device of a first embodiment is mounted on a motorcycle. 1 is a top view of a state in which an intake device according to a first embodiment is mounted on a motorcycle. It is a left view of the intake device of a 1st embodiment. It is a perspective view of the intake device of a 1st embodiment. It is sectional drawing of the intake device which follows the AA line of FIG. It is sectional drawing corresponding to the AA line of FIG. 4 used in 1st Embodiment of the intake device of the 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings used below, arrow FR indicates the front of the vehicle, arrow UP indicates the upper side of the vehicle, and arrow LH indicates the left side of the vehicle.

  A motorcycle 1 shown in FIG. 1 includes a front fender 3 on an upper portion of a front wheel 2 rotatably supported at a front portion of the vehicle, and a bar handle 4 that steers the front wheel 2 above the front fender 3. . The bar handle 4 is provided on an upper portion of a steering stem 7 rotatably supported by a head pipe 6 formed at the front end of the vehicle body frame 5. The lower part of the steering stem 7 is provided with a plate-like lower bridge 8 extending to the left and right. The left and right ends of the lower bridge 8 are provided with a pair of left and right front forks 9 that rotatably support the front wheel 2 at the lower part. The upper end is fixed.

  The vehicle body frame 5 includes a main frame 10 made of a steel pipe member having a rectangular cross section that extends obliquely downward and rearward from the head pipe 6, and a bifurcated shape from the rear end of the main frame 10 to be obliquely rearward and upward. And a seat rail 11 extending rearward in a substantially horizontal state. A pivot plate 10a is provided on the lower rear side of the main frame 10, and an air-cooled single cylinder engine 12 is supported in front of the pivot plate 10a and below the rear of the main frame 10. A seat 13 on which a driver is seated is supported on an upper portion of the seat rail 11 in a substantially horizontal region.

  The engine 12 includes a crankcase 12a supported by the vehicle body frame 5, a cylinder block 12b protruding forward from the crankcase 12a, and a cylinder head 12c attached to the front end of the cylinder block 12b. The rear part of the crankcase 12a is supported by a pivot plate 10a, and the upper part of the crankcase 12a is supported by an engine hanger 10b provided on the main frame 10. The engine 12 is supported in a posture in which the cylinder axis L1 is in a substantially horizontal state. In front of the seat 13 and above the main frame 10, specifically, between the seat 13 and the head pipe 6, and above the main frame 10, the driver is seated for getting on the seat 13. A straddling space S, which is a space straddling when sitting on the seat, is formed.

  A swing arm 15 is supported on the pivot plate 10a at the rear of the engine 12 via a pivot shaft 14 so as to be swingable in the vertical direction, and a rear wheel 16 is rotatably supported at the rear of the swing arm 15. A rear cushion 17 is interposed between the swing arm 15 and the seat rail 11. A front end of an exhaust pipe 18 extending rearward is connected to the cylinder head 12 c of the engine 12. A muffler 19 extending rearward and upward on the right side of the rear wheel 16 is connected to the rear end of the exhaust pipe 18.

  The vehicle body cover 20 constituting the vehicle exterior of the motorcycle 1 is composed of a plurality of resin cover bodies. Specifically, the vehicle body cover 20 includes a handle cover 21 that covers the center side with the left and right ends of the bar handle 4 facing outward, and a front leg shield 22 that covers the head pipe 6 from the front below the handle cover 21. An inner leg shield 23 that is connected to the rear end of the front leg shield 22 and mainly surrounds the main frame 10, and is connected to the lower ends of the front leg shield 22 and the inner leg shield 23 and mainly on the side of the cylinder block 12b of the engine 12. A lower cover 24 to be covered and a rear cover 25 which is connected to the rear end of the inner leg shield 23 and the lower cover 24 and mainly covers the lower side of the seat 13 are included.

  2 and 3 show an intake device 30 according to this embodiment mounted on the motorcycle 1, FIG. 4 shows a left side view of the intake device 30, FIG. 5 is a perspective view, and FIG. 6 is a cross-sectional view. It is shown. In this embodiment, the engine 12 has a carburetor specification, and the intake device 30 includes an air cleaner 31, a sub-chamber case 32, a connecting tube 33, and a carburetor 34 that is a fuel supply device. The carburetor 34 and the cylinder head 12c are connected by an intake pipe 35. The intake air taken in by the air cleaner 31 is supplied to the carburetor 34 through the sub-chamber case 32 and the connecting tube 33, and the air-fuel mixture is passed through the intake pipe 35. Supplied to the engine 12.

  The air cleaner 31 constitutes an air cleaner case 38 by a case main body 36 fixedly supported in front of the head pipe 6 and an air cleaner cover 37 which is a lid member detachably attached to the case main body 36. As shown in FIG. 6, the case main body 36 is formed with a maintenance opening 39 that is directed upward in the front of the vehicle when the vehicle is attached, and the air cleaner cover 37 is attached so as to cover the maintenance opening 39.

  The air cleaner 31 includes a filter element 42 that partitions the air cleaner case 38 into a dirty side 40 and a clean side 41. The filter element 42 is attached so as to cover the maintenance opening 39, and is sandwiched and supported by the case main body 36 and the air cleaner cover 37. As shown in FIGS. 3 and 5, the air cleaner cover 37 is formed with an intake duct 43 that allows the dirty side 40 to communicate with the outside. As shown in FIG. 3, the air cleaner cover 37 is attached to the case main body 36. On the other hand, it is screwed. In the air cleaner 31, by removing the air cleaner cover 37, the filter element 42 can be accessed from the front of the vehicle, and maintenance such as replacement can be performed. In the figure, reference numeral 44 denotes a stay for fixing the air cleaner 31 to the vehicle.

  Referring to FIGS. 2, 3, and 6, the case body 36 is located on the left side of the vehicle width direction center line C <b> 1 (FIG. 3) and protrudes so as to pass the left side of the head pipe 6. The connecting wall portion 45 opens rearward and downward when the vehicle is mounted, and the sub-chamber case 32 is connected to the connecting wall portion 45 and communicates with the clean side 41. The sub-chamber case 32 extends from the left side of the head pipe 6 along the extending direction of the main frame 10 in a side view and is disposed so as to reach the upper side of the engine 12 (cylinder head 12c).

As shown in FIG. 2, the sub-chamber case 32 is positioned below the air cleaner case 38 and is connected to the air cleaner case 38 so as to form an L shape in a top view as shown in FIG. 3. As shown in FIG. 6, a connecting opening 47 is formed in the rear wall 46 of the sub chamber case 32, and the connecting tube 33 is connected to the connecting opening 47. Further, as shown in FIG. 2, for example, a breather inlet 48 formed in a cylindrical shape is provided on the rear wall 46 of the sub chamber case 32 so as to protrude. A breather tube 49 is connected to the breather inlet 48.
The sub-chamber 32 recirculates blow-by gas from the engine 12 through the breather tube 49.

  A left side wall portion 50 of the sub chamber case 32 is provided with a resonator 51 having a substantially rectangular shape in side view extending along the sub chamber case 32 in side view, and a communication opening 52 is formed in the left side wall portion 50. A communication opening 54 is formed in the right wall 53 of the resonator 51. An annular joint 55 is fitted in both the communication openings 52 and 54, and the sub-chamber case 32 and the resonator 51 are connected and communicated with each other. As shown in FIG. 3, the resonator 51 and the sub-chamber case 32 are disposed and accommodated in the inner leg shield 23. Further, a drain 57 formed in a cylindrical shape protrudes from the rear wall 56 of the resonator 51.

  In the present embodiment, as shown in FIG. 6, a throttle member 58 is provided between the air cleaner case 38 and the sub chamber case 32, and the throttle member 58 is connected to the connecting wall portion 45 of the air cleaner case 38 and the sub chamber case 32. A flange 59 held between the front surface, an upstream cylindrical portion 60 extending from the inner peripheral end of the flange 59 to the clean side 41 in the air cleaner case 38, and a subchamber from the inner peripheral end of the flange 59 It is comprised with the downstream cylindrical part 61 extended in the case 32. As shown in FIG. The flange 59 is screwed after being sandwiched between the air cleaner case 38 and the sub-chamber case 32. The downstream cylindrical portion 61 has an inner diameter reduced toward the tip, and the passage cross-sectional area of the throttle member 58 is narrowed down toward the upstream cylindrical portion 60 and the downstream cylindrical portion 61 (gradual decrease). Have been).

  The upstream cylindrical portion 60 is curved along an L shape formed by the air cleaner case 38 and the sub-chamber case 32, and as shown by the axis L2 in the drawing, the upstream end opening 62 located at the upstream end portion. Is opened so as not to face the maintenance opening 39. The upstream end opening 62 is opened near the center in the longitudinal direction (vehicle width direction) of the air cleaner case 38, and a plurality of side wall openings 63. 63... Can take in air from a position different from the upstream end opening 62. These side wall openings 63 are not opposed to the maintenance opening 39.

  The downstream cylindrical portion 61 extends substantially parallel to the side wall of the sub-chamber case 32, and the length in the longitudinal direction is set to about 1/3 of the length in the longitudinal direction of the sub-chamber case 32. The downstream end opening 64 is opened in the sub chamber case at the rear end. The rear end of the sub chamber case 32 is located in front of the communication opening 52 in the longitudinal direction of the sub chamber case 32.

  Explaining the flow of the intake air of the intake device 30 configured as described above, the intake air filtered from the dirty side 40 through the filter element 42 passes through the upstream end opening 62 and the side wall opening 63 of the upstream tubular portion 60 on the clean side 41. It passes through and is sent to the downstream cylindrical portion 61 to increase the flow rate of the intake air. Thereafter, the sub-chamber case 32 is expanded from the downstream end opening 64 of the downstream cylindrical portion 61. A part of the inflated intake air is sent directly to the connecting tube 33, and a part thereof is inflated in the resonator 51 via the small-diameter joint 55, and is returned to the subchamber case 32 and sent to the connecting tube 33 again. become. Therefore, the pulsation of the intake air in the sub chamber case 32 is reduced.

  As described above, the intake device 30 of the motorcycle 1 according to this embodiment includes the air cleaner 31 including the filter element 42 that divides the air cleaner case 38 into the dirty side 40 and the clean side 41, and the cleanness of the air cleaner case 38. A sub-chamber case 32 that is connected to the side 41 and supplies intake air to the carburetor 34; a flange 59 that is held between the air cleaner case 38 and the sub-chamber case 32; And an upstream cylindrical portion 60 and a downstream cylindrical portion 61 extending into the sub-chamber case 32, and a throttle member 58 for reducing the passage cross-sectional area from the upstream side toward the downstream side.

  In the intake device 30 having such a configuration, the throttle member 58 is held between the cases so that the support of the throttle member 58 is improved, and the sub-chamber case is not affected by the shape of the air cleaner case 38 and the manufacturing process. 32 can be provided, and the intake air can be supplied satisfactorily.

  The upstream cylindrical portion 60 includes an upstream end opening 62 and a side wall opening 63. With such a configuration, it is possible to shorten the intake pipe length by taking intake air from the middle of the throttle member 58, to shorten the time for the intake air to reach the engine at low speed, and to improve engine output at low speed. it can. Further, the intake pulsation is reduced by adding different flows from the side wall opening 63 to the intake air flow from the upstream end opening 62.

  The air cleaner case 38 includes a case main body 36 having a maintenance opening 39 and an air cleaner cover 37 which is a lid member covering the maintenance opening 39, and the maintenance opening 39 is opened so that the filter element 42 Maintenance is possible. The sub chamber case 32 is disposed below the air cleaner case 38, and the openings (62, 63) of the upstream cylindrical portion 60 do not face the maintenance opening 39. With such a configuration, it is intended to prevent foreign matter from falling downstream of the air cleaner case 38 during maintenance.

  Further, the air cleaner case 38 and the sub chamber case 32 are connected so as to form an L shape, and the upstream cylindrical portion 60 is curved along the L shape. With such a configuration, the upstream end opening 62 is disposed at the center of the air cleaner case 38 while ensuring the length of the upstream cylindrical portion 60.

  In addition, in the present embodiment, the air cleaner case 38 is disposed in front of the head pipe 6, and the sub chamber case 32 is disposed above the engine 12 from the side of the head pipe 6 in a side view. In the case of such a configuration, the subchamber case 32 can be enlarged by effectively utilizing the space. Further, the resonator 51 is disposed along the sub-chamber case 32, and the resonator 51 is enlarged to effectively reduce the intake pulsation. Furthermore, by arranging the resonator 51 and the sub chamber case 32 in the inner leg shield 23, the appearance of the vehicle is improved and the intake noise is reduced.

  Next, a second embodiment of the present invention will be described. Constituent elements similar to those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the present embodiment, the shape of the diaphragm member 58 is different from that in the above embodiment.

  As shown in FIG. 7, the upstream end opening 62 of the upstream tubular portion 60 of the throttle member 70 according to the present embodiment is generally opposed to the maintenance opening 39. In the clean side 41 in the air cleaner case 38, a net-like filter member 73 is integrally formed between the maintenance opening 39 and the upstream end opening 62 of the upstream cylindrical portion 60. According to such a configuration, in the throttle member 70, the upstream cylindrical portion 60 and the downstream cylindrical portion 61 are connected in a substantially straight manner, and the upstream end opening 62 of the upstream cylindrical portion 60 becomes the maintenance opening 39. Even in the case of facing each other, the filter member 73 can catch foreign matter from the maintenance opening 39.

  The first embodiment and the second embodiment of the present invention have been described above, but the present invention is not limited to the above embodiment. For example, in each of the embodiments described above, the configuration in which the engine 12 is the carburetor specification has been described. However, the engine may be an injection type, and a throttle body may be employed instead of the carburetor 34. Moreover, although the example which mounted the intake device 30 in the motorcycle 1 was demonstrated in this embodiment, the intake device of the saddle type vehicle of this invention can be used also for saddle type vehicles, such as a motor tricycle.

1 Motorcycle (vehicle)
6 Headpipe 12 Engine 23 Leg shield (inner leg shield)
31 Air cleaner 34 Carburetor (fuel supply device)
36 Case body 37 Air cleaner cover (lid member)
38 Air Cleaner Case 39 Maintenance Opening 40 Dirty Side 41 Clean Side 42 Filter Element 51 Resonator 58, 70 Throttle Member 59 Flange 60 Upstream Cylindrical Part 61 Downstream Cylindrical Part 62 Upstream End Opening 63 Sidewall Opening 73 Filter Member

Claims (8)

An air cleaner (31) having a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41), and connected to the clean side (41) of the air cleaner case (38) And an intake device for a saddle-ride type vehicle, comprising a sub-chamber case (32) for supplying intake air to the fuel supply device (34).
A flange (59) held between the air cleaner case (38) and the sub chamber case (32), and the flange (59) into the air cleaner case (38) and the sub chamber case (32). A throttle member (58, 70) having an upstream tubular portion (60) and a downstream tubular portion (61) extending, and narrowing the passage cross-sectional area from the upstream side toward the downstream side. A suction device for a saddle-ride type vehicle. An air cleaner (31) having a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41), and connected to the clean side (41) of the air cleaner case (38) And an intake device for a saddle-ride type vehicle, comprising a sub-chamber case (32) for supplying intake air to the fuel supply device (34).
A flange (59) held between the air cleaner case (38) and the sub chamber case (32), and the flange (59) into the air cleaner case (38) and the sub chamber case (32). It has an upstream cylindrical portion (60) and a downstream cylindrical portion (61) that extend , and includes a throttle member (58, 70) that narrows the cross-sectional area of the passage from the upstream side toward the downstream side ,
The upstream cylindrical portion (60) includes an upstream end opening (62) and a side wall opening (63) . An air cleaner (31) having a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41), and connected to the clean side (41) of the air cleaner case (38) And an intake device for a saddle-ride type vehicle, comprising a sub-chamber case (32) for supplying intake air to the fuel supply device (34).
A flange (59) held between the air cleaner case (38) and the sub chamber case (32), and the flange (59) into the air cleaner case (38) and the sub chamber case (32). It has an upstream cylindrical portion (60) and a downstream cylindrical portion (61) that extend , and includes a throttle member (58, 70) that narrows the cross-sectional area of the passage from the upstream side toward the downstream side ,
The air cleaner case (38) includes a case body (36) having a maintenance opening (39) and a lid member (37) covering the maintenance opening (39), and the maintenance opening (39). And maintenance of the filter element (42) is possible.
The opening (62) of the upstream cylindrical portion (60) does not face the maintenance opening (39), and the sub-chamber case (32) is disposed below the air cleaner case (38) when the vehicle is mounted. intake system for a saddle type vehicle, characterized in that it is. An air cleaner (31) having a filter element (42) that divides the air cleaner case (38) into a dirty side (40) and a clean side (41), and connected to the clean side (41) of the air cleaner case (38) And an intake device for a saddle-ride type vehicle, comprising a sub-chamber case (32) for supplying intake air to the fuel supply device (34).
A flange (59) held between the air cleaner case (38) and the sub chamber case (32), and the flange (59) into the air cleaner case (38) and the sub chamber case (32). It has an upstream cylindrical portion (60) and a downstream cylindrical portion (61) that extend , and includes a throttle member (58, 70) that narrows the cross-sectional area of the passage from the upstream side toward the downstream side ,
The air cleaner case (38) includes a case body (36) having a maintenance opening (39) and a lid member (37) covering the maintenance opening (39), and the maintenance opening (39). And maintenance of the filter element (42) is possible.
The opening (62) of the upstream cylindrical portion (60) faces the maintenance opening (39),
A filter member (73) is provided in the air cleaner case (38) between the maintenance opening (39) and the opening (62) of the upstream cylindrical portion (60). An intake device for a saddle-ride type vehicle. The air cleaner case (38) and the sub-chamber case (32) are connected to form an L shape,
The intake device for a saddle-ride type vehicle according to any one of claims 1 to 4, wherein the upstream cylindrical portion (60) is curved along the L-shape. The air cleaner case (38) is disposed in front of the head pipe (6),
The sub-chamber casing (32), according to any one of claims 1-5, characterized in that it is arranged from the side of the head pipe in a side view (6) above the engine (12) Intake device for saddle-ride type vehicles. The intake device for a saddle-ride type vehicle according to any one of claims 1 to 6, wherein a resonator (51) is arranged along the sub-chamber case (32). The intake device for a saddle-ride type vehicle according to claim 7 , wherein the resonator (51) and the sub-chamber case (32) are disposed in a leg shield (23).

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