Saddle-type vehicle and cover member

Abstract

A saddle-type vehicle comprising an exhaust passage through which exhaust gas from an internal combustion engine flows, an exhaust gas sensor for detecting the components of the exhaust gas flowing through the exhaust passage, and a cover member covering the exhaust gas sensor, wherein the cover member has a front wall section disposed on the front side of the exhaust gas sensor in the front-back direction of the saddle-type vehicle, and a passage section through which airflow passes is formed in the front wall section.

Description

Saddle-ride type vehicle and cover member

[0001] The present invention relates to a saddle-ride type vehicle and a cover member.

[0002] Controlling the air-fuel ratio in an internal combustion engine contributes to reducing the environmental impact of exhaust gases and improving fuel efficiency. Saddle-ride vehicles are equipped with an exhaust gas sensor that detects the components of gases exhausted from the internal combustion engine in order to control the air-fuel ratio. Such exhaust gas sensors need to be protected from flying stones and other objects while the vehicle is moving. For example, Patent Document 1 discloses a protective structure for protecting the exhaust gas sensor from flying stones and other objects while the vehicle is moving.

[0003] JP 2015-068292 A

[0004] However, if a protective structure is provided for the exhaust gas sensor, the sensor may be exposed to wind during travel, creating air resistance on the vehicle, which may degrade the riding performance of the saddle-type vehicle.

[0005] An object of the present invention is to protect an exhaust gas sensor from flying stones and the like while suppressing air resistance caused by wind while the vehicle is running.

[0006] According to the present invention, there is provided a saddle-type vehicle (100) comprising: an exhaust passage (1) through which exhaust gas from an internal combustion engine (106) flows; an exhaust gas sensor (2) that detects components of the exhaust gas flowing through the exhaust passage (1); and a cover member (3) that covers the exhaust gas sensor (2), wherein the cover member (3) has a front wall portion (4) that is arranged in front of the exhaust gas sensor (2) in the fore-and-aft direction of the saddle-type vehicle (100), and the front wall portion (4) is formed with a passage portion (40) through which traveling wind passes.

[0007] According to the present invention, it is possible to protect the exhaust gas sensor from flying stones and the like while suppressing air resistance caused by wind while the vehicle is running.

[0008] 3B. Right side view of a saddle-ride type vehicle according to an embodiment of the present invention. Enlarged view of a portion of FIG. 1. Perspective view of a cover member. Perspective view of a cover member. Cross-sectional view of line A-A in FIG. 3B. Cross-sectional view of line B-B in FIG. 3B. View of the periphery of the exhaust gas sensor as viewed in the direction of arrow D4 in FIG. 2. Diagram showing another example of the arrangement of the exhaust gas sensor. Diagram showing another example of the arrangement of the exhaust gas sensor. Diagram showing another example of the configuration of the front wall portion. Diagram showing another example of the configuration of the front wall portion. Diagram showing an example of the configuration of the passing portion. Diagram showing an example of the configuration of the passing portion. Diagram showing an example of the configuration of the passing portion. Diagram showing an example of the configuration of the passing portion. Diagram showing an example of the configuration of the passing portion.

[0009] Hereinafter, the embodiments will be described in detail with reference to the accompanying drawings. Note that the following embodiments do not limit the scope of the invention as claimed, and not all combinations of features described in the embodiments are necessarily essential to the invention. Two or more of the features described in the embodiments may be arbitrarily combined. Furthermore, the same reference numerals are used for the same or similar components, and redundant explanations will be omitted.

[0010] <First embodiment> Fig. 1 is a schematic diagram showing an overview of a saddle-ride type vehicle (hereinafter simply referred to as vehicle) 100 according to one embodiment of the present invention, and Fig. 1 is a side view (right side view). Vehicle 100 is a motorcycle equipped with a front wheel FW and a rear wheel RW. Note that the present invention is also applicable to saddle-ride type vehicles of a type other than that shown in Fig. 1. In each drawing, arrow D1 indicates the fore-and-aft direction of vehicle 100, with Fr and Rr indicating the front and rear. Arrow D2 indicates the vehicle width direction, with R and L indicating the right and left. Arrow D3 indicates the up-and-down direction of vehicle 100, with U and D indicating the up and down.

[0011] The vehicle 100 includes a body frame 101 that forms its skeleton. A front wheel steering unit 102 is supported at the front end of the body frame 101, and a swing arm 105 is supported at the rear end so that it can swing freely. The front wheel steering unit 102 includes a pair of left and right front forks 103 that support the front wheels FW via axles 112, and a steering handlebar 104 that is attached to the upper parts of the front forks 103 via a top bridge (not shown). A front fender 111 is provided between the pair of front forks 103.

[0012] The swing arm 105 has its front end swingably supported by the body frame 101, and its rear end supports the rear wheel RW. An internal combustion engine 106 and a transmission 107 are supported by the body frame 101 in the area between the front wheel FW and the rear wheel RW. The internal combustion engine 106 is, for example, a water-cooled single-cylinder four-stroke engine. The output of the internal combustion engine 106 is transmitted to the rear wheel RW via the transmission 107 and a chain transmission mechanism (not shown). A fuel tank 109 is disposed above the internal combustion engine 106, and a seat 110 on which a rider sits is disposed behind the fuel tank 109.

[0013] The exhaust system of the internal combustion engine 106 includes an exhaust passage 1 through which exhaust gas from the internal combustion engine 106 flows. The exhaust passage 1 includes an exhaust pipe 1b connected to an exhaust port of the internal combustion engine 106, a catalyst 1a, and a silencer 1c. The catalyst 1a is disposed midway through the exhaust pipe 1b, and the silencer 1c is disposed at the end of the exhaust pipe 1b. An exhaust gas sensor 2 is provided in the exhaust pipe 1b. The exhaust gas sensor 2 detects the components of the exhaust gas flowing through the exhaust pipe 1b. The detection results are reflected in the control of the internal combustion engine 106. The exhaust gas sensor 2 is, for example, an oxygen sensor that detects oxygen or an air-fuel ratio sensor (LAF sensor) that detects the air-fuel ratio.

[0014] A cover member 3 is provided adjacent to the exhaust gas sensor 2. The cover member 3 is a protective member that covers the exhaust gas sensor 2 and prevents pebbles and the like kicked up by the front wheels FW from colliding with the exhaust gas sensor 2 while the vehicle 100 is traveling. Please refer to FIG. 2 in addition to FIG. 1. FIG. 2 is an enlarged view of the periphery of the exhaust gas sensor 2 in FIG. 1.

[0015] The exhaust pipe 1b is provided with a boss portion 2b to which the exhaust gas sensor 2 is attached. The exhaust gas sensor 2 has an axial outer shape extending in a direction D4 inclined from the direction D3. The direction D4 can also be considered the longitudinal or axial direction of the exhaust gas sensor 2. The boss portion 2b has an insertion hole in the direction D4 into which the tip (detection portion) of the exhaust gas sensor 2 is inserted, and a threaded portion for fixing the exhaust gas sensor 2. A harness 2a is connected to the exhaust gas sensor 2, and transmits a signal indicating the detection result of the exhaust gas sensor 2 to a control unit (not shown) of the vehicle 100. The direction D4 is also the connection direction between the harness 2a and the exhaust gas sensor 2.

[0016] A bracket 2c is integrally formed with the boss portion 2b. The bracket 2c holds the cover member 3. See also FIG. 5. FIG. 5 is a view of the exhaust gas sensor 2 as viewed in the direction D4 in FIG. 2. In this embodiment, the cover member 3 is fixed to the bracket 2c by a fastener 2d. The fastener 2d is a bolt and nut. The fastener 2d may also be a rivet.

[0017] The structure of the cover member 3 will be described with reference to Figures 3A and 3B. Figures 3A and 3B are perspective views of the cover member 3. The cover member 3 integrally comprises a front wall portion 4, an annular portion 5, and an attachment portion 6. The front wall portion 4 is formed to extend upward from the annular portion 5, and the attachment portion 6 is formed to extend laterally from the annular portion 5. The cover member 3 is manufactured, for example, by processing a metal plate.

[0018] The front wall 4 is disposed in front of the exhaust gas sensor 2 in the direction D1. The front side of the exhaust gas sensor 2 is covered by the front wall 4, and the front wall 4 blocks pebbles and the like that fly toward the exhaust gas sensor 2 from the front in the direction D1, thereby preventing them from colliding with the exhaust gas sensor 2.

[0019] The front wall 4 is a wall that intersects with the direction D1, and can be a factor in generating air resistance when the vehicle 100 is traveling due to the wind passing through it. The front wall 4 is formed with a passage 40 through which the wind passes, thereby reducing the air resistance caused by the wind. Therefore, the cover member 3 can protect the exhaust gas sensor 2 from flying stones and the like while suppressing the air resistance caused by the wind.

[0020] In this embodiment, the passage portion 40 is configured with a plurality of circular through-holes 400 that penetrate the front wall portion 4. By using the through-holes 400 as the passage portion 40, the passage portion 40 can be configured with a relatively simple structure. Furthermore, the size of the through-holes 400 can be designed as appropriate. Depending on the design size of the through-holes 400, the balance between the performance of the cover member 3 to prevent pebbles and the like from colliding with the exhaust gas sensor 2 and the performance to reduce air resistance caused by wind while driving can be adjusted.

[0021] The passing portion 40 of this embodiment is configured in a mesh-like pattern with a plurality of through holes 400. The mesh may be regular or irregular. In this embodiment, the plurality of through holes 400 are regularly arranged. By configuring the passing portion 40 with a plurality of through holes 400, it is possible to disperse the areas through which the traveling wind passes. Furthermore, the size of each through hole 400 can be designed to be small. That is, the blocking performance of pebbles entering the passing portion 40 can be improved. Furthermore, by configuring the passing portion 40 in a mesh-like pattern with a plurality of through holes 400, it is possible to increase the area of ​​the passing portion 40 while ensuring a certain level of rigidity, thereby achieving both the effect of suppressing air resistance due to traveling wind and the performance of protecting the exhaust gas sensor 2. Furthermore, by forming the passing portion 40 with the mesh-like through holes 400, it is possible to reduce the weight of the front wall portion 4.

[0022] The structure of the front wall portion 4 will be further described. Figure 4A is a cross-sectional view taken along line A-A in Figure 3B. The front wall portion 4 includes a left end portion 4a in the D2 direction, a right end portion 4a, and a central portion 4b between these end portions 4a. The central portion 4b is located forward of the end portions 4a in the D1 direction and forms the apex in a plan view of the front wall portion 4 shown in Figure 4A (as viewed in the D4 direction). Because the central portion 4b is located at the frontmost position of the front wall portion 4 in the D1 direction, it can also be called the tip portion.

[0023] In this embodiment, the central portion 4b of the front wall portion 4 in the direction D2 has a shape that bulges forward in the direction D1. Because the traveling wind is divided into left and right from the central portion 4b, traveling wind that does not pass through the passage portion 40 is easily diverted to the rear side of the cover member 3, thereby further reducing air resistance caused by traveling wind.

[0024] The front wall 4 of this embodiment has an arch shape, particularly in the center portion 4b, which is curved in a direction that protrudes forward in the longitudinal direction of the vehicle 100. Because the front wall 4 has a curved shape, it is easier for the front wall 4 to deflect traveling wind rearward than if the front wall 4 were formed in a flat plate shape. This reduces the air resistance caused by the traveling wind that the cover 3 receives. Furthermore, because the front wall 4 is curved and has a shell shape, its rigidity can be improved, and durability against impacts such as pebbles hitting it can be increased.

[0025] The front wall 4 has a bent portion 41 at its left end 4a in the direction D2. The bent portion 41 is formed by folding back the edge of the material that constitutes the front wall 4. The bent portion 41 is formed along the range of the passing portion 40 in the direction D4 (see FIGS. 4A and 4B ). By forming the bent portion 41 at the end 4a of the front wall 4 in this way, it is possible to prevent a decrease in the rigidity of the front wall 4a even if the rigidity of the front wall 4a is reduced due to the provision of the passing portion 40 in the front wall 4.

[0026] For the bent portion 41, refer to FIG. 5 . The bent direction of the bent portion 41 is from the front surface 4F of the front wall portion 4 toward the exhaust gas sensor 2. By forming the bent portion 41 by bending the end portion 4a toward the exhaust gas sensor 2, a structure is obtained in which traveling wind is less likely to enter the bent portion 41 than when the end portion 4a is bent toward the front surface 4F. This reduces noise generated when traveling wind hits the bent portion 41. Furthermore, the bent portion 41 is less susceptible to air resistance due to traveling wind. Furthermore, in this embodiment, the harness 2a is configured to pass along the side of the bent portion 41. When viewed in the D4 direction as shown in FIG. 5 , the harness 2a and the bent portion 41 partially overlap. By providing the bent portion 41 at a position where the harness 2a passes along the side of the bent portion 41, even if the harness 2a comes into contact with the front wall portion 4, the blunt bent portion 41 can prevent damage to the exterior of the harness 2a due to contact with the harness 2a.

[0027] Next, the annular portion 5 will be described. Figure 4B is a cross-sectional view taken along line B-B in Figure 3B. As shown in Figure 4B, the annular portion 5 is formed in a circular ring shape so as to surround the entire circumference of the exhaust gas sensor 2. In this way, the cover member 3 has the annular portion 5 that surrounds the exhaust gas sensor 2, thereby improving protection of the exhaust gas sensor 2. Furthermore, when a pebble or the like hits the front wall portion 4, the impact is dispersed to the annular portion 5, preventing damage to the cover member 3.

[0028] Next, the mounting portion 6 will be described. As shown in Figure 3B, the mounting portion 6 is formed by overlapping flat plate portions of the material of the cover member 3, and a mounting hole 60 is formed through them in the plate thickness direction. The cover member 3 is fixed to the bracket 2c by passing a bolt constituting the fixing device 2d through the mounting hole 60 and a hole in the bracket 2c (not shown) and fastening it with a nut. The mounting portion 6 also has an engaging portion 61 that engages with the recess 2e of the bracket 2c. The engaging portion 61 has the form of a protruding piece that is inserted into the valley of the recess 2e.

[0029] By attaching the cover member 3 to the boss portion 2b via the bracket 2c in this manner, the degree of freedom in layout can be improved. For example, if the cover member 3 is directly attached to the boss portion 2b, it is necessary to consider a gap between the exhaust gas sensor 2 and the cover member 3 for attaching the exhaust gas sensor 2, which may result in an increase in the size of the annular portion 5. In such a case, the increase in size of the annular portion 5 may increase air resistance due to wind during travel. Therefore, by attaching the cover member 3 to the boss portion 2b via the bracket 2c, the layout flexibility of the cover member 3 can be improved. In other words, unnecessary enlargement of the cover member 3 can be prevented and air resistance due to wind during travel can be reduced. The engagement of the engaging portion 61 with the recess 2e forms a detent that prevents the cover member 3 from rotating around the fastener 2d, preventing misalignment of the cover member 3 and improving the protection performance of the exhaust gas sensor 2.

[0030] Second Embodiment In the first embodiment, the exhaust gas sensor 2 is provided in a straight portion of the exhaust pipe 1b downstream of the catalyst 1a, but the location of the exhaust gas sensor 2 is not limited to this. For example, the location of the exhaust gas sensor 2 may be changed depending on the layout of the exhaust passage 1, the shape and number of exhaust pipes 1b, etc. Figures 6A and 6B show examples of the location of the exhaust gas sensor 2.

[0031] In the example of FIG. 6A , the exhaust gas sensor 2 is provided in the expanded diameter portion 1d of the exhaust pipe 1b, which is connected to the upstream side of the catalyst 1a'. Correspondingly, the cover member 3 is also disposed adjacent to the expanded diameter portion 1d. Compared to the front and rear straight portions and the catalyst 1a', the exhaust gas is more likely to diffuse in the expanded diameter portion 1d, resulting in lower pressure loss. Therefore, by providing the exhaust gas sensor 2 in the expanded diameter portion 1d, it is possible to prevent the detection portion at the tip of the exhaust gas sensor 2 from acting as a resistance to the exhaust gas flow inside the exhaust pipe 1b. Note that in the example of FIG. 6A , the exhaust gas sensor 2 is provided in the expanded diameter portion 1d upstream of the catalyst 1a'. However, if there is also an expanded diameter portion downstream of the catalyst 1a', the exhaust gas sensor 2 may be provided in the expanded diameter portion downstream of that expanded diameter portion.

[0032] 6B, the exhaust gas sensor 2 is disposed in a portion of the upstream side of the silencer 1c, and the cover member 3 is also disposed in a position adjacent to the expanded diameter portion 1d.

[0033] Third Embodiment In the first embodiment, an example in which the front wall portion 4 has a curved shape has been described. The shape of the front wall portion 4 is not limited to this and can be designed as appropriate. For example, the front wall portion 4 may have an L-shaped bent shape. FIG. 7A is a schematic diagram (cross-sectional view of the front wall portion 4) showing an example of this. The front wall portion 4 is bent at the central portion (top) 4b to form an L-shape or a mountain shape. In this way, even when the front wall portion 4 has a bent shape, it is easier to deflect the wind generated by the vehicle while traveling rearward, thereby reducing air resistance caused by the wind.

[0034] <Fourth embodiment> In the first embodiment, an example was described in which the bent portion 41 is formed by bending the end portion 4a of the front wall portion 4, but the method of increasing rigidity is not limited to this. In the example of Fig. 7B, a high-rigidity portion 42 is formed at the end portion 4a of the front wall portion 4. The high-rigidity portion 42 is a portion whose rigidity is improved by being thicker than the central portion 4b of the front wall portion 4.

[0035] In this embodiment, the high-rigidity portion 42 is provided at the end portion 4a of the front wall portion 4, but the high-rigidity portion 42 may be provided, for example, in the central portion 4b, or may be provided along the portion forming the passing portion 40. In this way, providing the high-rigidity portion 42 can also increase the degree of freedom in design, such as the size, shape, and arrangement of the through-hole 400 that forms the passing portion 40.

[0036] Fifth Embodiment In the first embodiment, an example was described in which the passing portion 40 of the front wall portion 4 is configured with a plurality of through holes 400 formed in a mesh pattern. The passing portion 40 is not limited to this, and may be configured in the following shapes. Figures 8A to 8E are diagrams showing other configuration examples of the passing portion 40.

[0037] 8A shows an example in which the passage portion 40 is configured with a single through-hole 400. Even if there is only one through-hole 400, it contributes to reducing air resistance.

[0038] The shape of the through-hole 400 is not limited to a circle. For example, it may be a rectangle as shown in the example of Fig. 8B. It may also be a C-shape or a gate-shape as shown in the example of Fig. 8C. It may also be an arc-shape as shown in Fig. 8D.

[0039] The passage 40 does not have to be a hole with a closed periphery. Fig. 8E shows an example in which the passage 40 is formed by a notch 401. The notch 401 has an open shape at the end of the front wall 4, and even such a shape contributes to reducing air resistance.

[0040] Sixth Embodiment In the first embodiment, an example was described in which the passage portion 40 was formed in a mesh pattern by a plurality of circular through-holes 400, but this is not limiting. Fig. 9A shows an example in which square through-holes 400 are arranged in a mesh pattern. Fig. 9B shows an example in which slit-shaped through-holes 400 are arranged in the horizontal direction. Fig. 9C shows an example in which a plurality of through-holes 400 of different sizes are arranged in a mesh pattern. These configuration examples also contribute to reducing air resistance.

[0041] Summary of the Embodiments The above embodiments disclose at least the following saddle-ride type vehicle and cover member.

[0042] 1. The saddle-riding vehicle (100) of the above embodiment is a saddle-riding vehicle (100) including: an exhaust passage (1) through which exhaust gas from an internal combustion engine (106) flows; an exhaust gas sensor (2) that detects components of the exhaust gas flowing through the exhaust passage (1); and a cover member (3) that covers the exhaust gas sensor (2), wherein the cover member (3) has a front wall portion (4) that is disposed in front of the exhaust gas sensor (2) in the fore-and-aft direction of the saddle-riding vehicle (100), and the front wall portion (4) is formed with a passage portion (40) through which traveling wind passes. According to this embodiment, the cover member can prevent pebbles and the like from colliding with the exhaust gas sensor when the saddle-riding vehicle is traveling. Furthermore, since the passage portion is formed, air resistance due to traveling wind can be reduced. Therefore, the exhaust gas sensor can be protected from flying stones and the like while traveling while suppressing air resistance due to traveling wind.

[0043] 2. In the saddle-ride type vehicle (100) of the above embodiment, the passage portion (40) has at least one through-hole (400) penetrating the front wall portion (4). According to this embodiment, the passage portion can be formed with a relatively simple structure. Furthermore, depending on the size design of the through-hole, the cover member can achieve both the performance of preventing pebbles and the like from colliding with the exhaust gas sensor and the performance of reducing resistance due to wind while traveling.

[0044] 3. In the saddle-ride type vehicle 100 of the above embodiment, the front wall 4 has a peak 4b located between both ends 4a of the front wall 4 in the vehicle width direction and located forward of the both ends 4a in the front-rear direction. According to this embodiment, the presence of the peak 4b forward of the both ends of the front wall makes it easier for traveling wind that does not pass through the passage portion to be deflected rearward of the front wall, thereby reducing air resistance caused by the traveling wind.

[0045] 4. In the saddle-type vehicle (100) of the above embodiment, the front wall portion (4) has a curved shape that protrudes forward in the fore-and-aft direction. According to this embodiment, the curved shape of the front wall portion makes it easier for the wind to be deflected rearward of the front wall portion, thereby reducing air resistance caused by the wind. Furthermore, compared to a flat plate-shaped configuration, the rigidity of the front wall portion is improved, thereby increasing durability against impacts such as pebbles hitting the vehicle.

[0046] 5. In the saddle-type vehicle 100 of the above embodiment, the cover member 3 has an annular portion 5 that completely surrounds the exhaust gas sensor 2. According to this embodiment, the cover member can enhance the protection performance of the exhaust gas sensor, while dispersing the impact received when a pebble or the like hits the cover member, thereby preventing the cover member from being damaged.

[0047] 6. In the saddle-ride type vehicle (100) of the above embodiment, the passage portion (40) is configured in a mesh-like manner by a plurality of through holes (400) penetrating the front wall portion (4). According to this embodiment, the passage portion is configured by the plurality of through holes, so that air resistance is dispersed among the individual through holes, and the size of each through hole can be designed to be small. In other words, the blocking performance of pebbles and the like that may try to enter the passage portion can be improved.

[0048] 7. In the saddle-ride type vehicle 100 of the above embodiment, the front wall 4 has a high-rigidity portion 42 at the end portion 4a in the vehicle width direction of the front wall 4, the high-rigidity portion having higher rigidity than the central portion 4b in the vehicle width direction. According to this embodiment, even if the rigidity of the front wall is partially reduced due to the formation of the passage portion, the durability of the front wall can be increased against the impact of a collision with a pebble or the like.

[0049] 8. In the saddle-ride type vehicle 100 of the above embodiment, the front wall 4 has a bent portion 41 at the end 4a in the vehicle width direction of the front wall 4. According to this embodiment, even if the formation of the passage portion causes a partial decrease in rigidity of the front wall, it is possible to increase the durability of the front wall against an impact when colliding with a pebble or the like.

[0050] 9. In the saddle-ride type vehicle 100 of the above embodiment, the harness 2a connected to the exhaust gas sensor 2 passes through the side of the bent portion 41 of the front wall portion 4. According to this embodiment, since the end portion of the front wall portion is bent, even if the harness comes into contact with the front wall portion, the bent portion, which is not sharp, comes into contact with the harness, thereby preventing the harness from being damaged.

[0051] 10. In the saddle-type vehicle (100) of the above embodiment, the bending direction of the bent portion (41) is a direction facing the exhaust gas sensor (2). According to this embodiment, by forming the bent portion by bending it toward the exhaust gas sensor, it is possible to reduce noise generated when the wind blows against the bent portion. Furthermore, by bending the bent portion toward the exhaust gas sensor, the bent portion is less susceptible to air resistance caused by the wind blowing against the bent portion compared to when the bent portion is bent in the opposite direction.

[0052] 11. The saddle-type vehicle (100) of the above embodiment includes a boss portion (2b) provided in the exhaust passage (1) and to which the exhaust gas sensor (2) is attached, and a bracket (2c) provided on the boss portion (2b) for holding the cover member (3). According to this embodiment, the cover member is attached via the bracket, which improves the layout flexibility of the cover member and prevents the cover member from becoming unnecessarily large.

[0053] 12. The cover member (3) of the above embodiment is attached to a saddle-riding vehicle (100) equipped with an exhaust passage (1) through which exhaust gas from an internal combustion engine (106) flows and an exhaust gas sensor (2) that detects components of the exhaust gas flowing through the exhaust passage (1), and covers the exhaust gas sensor (2). The cover member (3) has a front wall portion (4) disposed in front of the exhaust gas sensor (2) in the fore-and-aft direction of the saddle-riding vehicle (100), and the front wall portion (4) is formed with a passage portion (40) through which traveling wind passes. According to this embodiment, the cover member can prevent pebbles and the like from colliding with the exhaust gas sensor when the saddle-riding vehicle is traveling. Furthermore, since the passage portion is formed, air resistance due to traveling wind can be reduced. Therefore, the exhaust gas sensor can be protected from flying stones and the like while traveling while suppressing air resistance due to traveling wind.

[0054] Although the embodiments of the invention have been described above, the invention is not limited to the above-described embodiments, and various modifications and changes are possible within the scope of the gist of the invention.

Claims

1. an exhaust passage (1) through which exhaust gas from an internal combustion engine (106) flows; an exhaust gas sensor (2) for detecting components of the exhaust gas flowing through the exhaust passage (1); a cover member (3) that covers the exhaust gas sensor (2); A saddle-type vehicle (100) comprising: the cover member (3) has a front wall portion (4) disposed in front of the exhaust gas sensor (2) in the longitudinal direction of the saddle-ride type vehicle (100); The front wall portion (4) is formed with a passage portion (40) through which the wind passes while the vehicle is running. The front wall portion (4) has a rigid portion having higher rigidity than other portions, A harness (2a) connected to the exhaust gas sensor (2) passes through the side of the rigid portion of the front wall portion (4). A saddle-type vehicle characterized by:

2. 2. A saddle-type vehicle (100) according to claim 1, The passage portion (40) has at least one through hole (400) penetrating the front wall portion (4). A saddle-type vehicle characterized by:

3. 2. A saddle-type vehicle (100) according to claim 1, The front wall portion (4) has a top portion (4b) located between both end portions (4a) of the front wall portion (4) in the vehicle width direction and located forward of the both end portions (4a) in the front-rear direction. A saddle-type vehicle characterized by:

4. 2. A saddle-type vehicle (100) according to claim 1, The front wall portion (4) has a shape curved in a direction protruding forward in the front-rear direction. A saddle-type vehicle characterized by:

5. 2. A saddle-type vehicle (100) according to claim 1, The cover member (3) has an annular portion (5) that surrounds the entire periphery of the exhaust gas sensor (2). A saddle-type vehicle characterized by:

6. 2. The saddle-type vehicle according to claim 1, The passage portion (40) is configured in a mesh shape by a plurality of through holes (400) penetrating the front wall portion (4). A saddle-type vehicle characterized by:

7. 2. A saddle-type vehicle (100) according to claim 1, The rigid portion is formed at an end portion (4a) of the front wall portion (4) in the vehicle width direction, and is a portion (42) having higher rigidity than a central portion (4b) in the vehicle width direction. A saddle-type vehicle characterized by:

8. 2. A saddle-type vehicle (100) according to claim 1, The rigid portion is a bent portion (41) formed at an end (4a) of the front wall portion (4) in the vehicle width direction. A saddle-type vehicle characterized by:

9. (delete)

10. 9. A saddle-type vehicle (100) according to claim 8, The bending direction of the bending portion (41) is a direction facing the exhaust gas sensor (2). A saddle-type vehicle characterized by:

11. 6. A saddle-type vehicle (100) according to claim 5, a boss portion (2b) provided in the exhaust passage (1) and to which the exhaust gas sensor (2) is attached; a bracket (2c) provided on the boss portion (2b) and holding the cover member (3); A saddle-type vehicle characterized by:

12. A cover member (3) is attached to a saddle-ride type vehicle (100) having an exhaust passage (1) through which exhaust gas from an internal combustion engine (106) flows, and an exhaust gas sensor (2) that detects components of the exhaust gas flowing through the exhaust passage (1), the cover member (3) covering the exhaust gas sensor (2), a front wall portion (4) disposed in front of the exhaust gas sensor (2) in the longitudinal direction of the saddle-ride type vehicle (100); The front wall portion (4) is formed with a passage portion (40) through which the wind passes while the vehicle is running. The front wall portion (4) has a rigid portion having higher rigidity than other portions, A harness (2a) connected to the exhaust gas sensor (2) passes through the side of the rigid portion of the front wall portion (4). A cover member characterized by: