JP5582658B2 - Outside air introduction device for automobiles - Google Patents

Description

The present invention relates to an outside air introduction device for an automobile that blocks air warmed in an engine room of an automobile and improves cooling efficiency of the engine of the automobile by blowing cooling air and traveling air into the engine room. is there.

As a first example of the prior art showing an outside air introduction duct structure of this type of automobile, there is a technique disclosed in Japanese Utility Model Publication No. 6-4030.
7 and 8, reference numeral 1 denotes an engine room. The engine room 1 is mounted in the engine room 1 and is disposed above the engine 2 in the middle of the intake duct 3 of the engine 2. The intercooler 4 is disposed in the vicinity of the engine hood 5. On the other hand, an outside air intake body 8 for introducing outside air for cooling into the intercooler 4 is disposed from the back surface of the engine hood 5 to the back of the radiator grille. The outside air intake body 8 includes a bifurcated branch duct 9 in which the leading end of the branching portion extends to both front sides of the vehicle body, and an outside air introduction port 10 disposed at each leading end of the branching portion of the branch duct 9. An opening 11 is formed at a position directly above the intercooler 4 on the lower wall of the collecting portion of the branch duct 9. The outside air inlet 10 is integrally provided on both sides of the radiator grill 10a, and a lower air guide 10b that captures a part of the outside air that passes through the radiator grill 10a and circulates the outside air upward, and a branch. The upper air guide 10c is fitted and connected to the tip of each branch portion of the duct 9 and communicates with the lower air guide 10b in a pressed state when the engine hood 5 is closed. The upper air guide 10c is a hood inner. The communication port 10d is fixed to the upper edge of the communication port 10d formed at a portion that coincides with the lower air guide 10b at the front edge.

Sealing members that seal between the opening 11 and the intercooler 4 and between the communication port 10d and the lower air guide 10b when the engine hood 5 is closed are provided on the lower peripheral edge of the opening 11 and the communication port 10d. 12 is attached. Reference numeral 7 denotes a retainer for fixing the seal member 12. And in the said branch duct 9, the baffle plate is integrally molded in the front-back direction over the gathering part from the base end of the branch part, and the external air which distribute | circulates each branch part of the branch duct 9 is carried out by this baffle plate. A rectification guide is provided in the axial direction of the collective portion at the collective portion. The hood inner 6 is cut away from the portion that interferes with the branch duct 9 so that the branch duct 9 is as close as possible to the back surface of the engine hood 5 to prevent the hood from becoming high. A branch duct 9 is attached to the vicinity of the cutout portion of the hood inner 6 via a retainer 7 so that the retainer 7 also serves as reinforcement of the cutout portion of the hood inner 6. A part of the outside air communicating with the radiator grill when the vehicle is running is captured by the lower air guides 10b on both sides of the radiator grill and directed upward. The outside air captured by the lower air guide 10b flows through each branch portion of the branch duct 9 through the communication port 10d and the upper air guide 10c, and reaches the collecting portion. In this gathering portion, the rectifying plate extends in the front-rear direction from the base end of the branching portion. Therefore, the outside air flowing from each branching portion is deflected by the rectifying plate and is rectified and guided in the axial direction of the gathering portion. The air is smoothly introduced into the intercooler 4 from the opening 11 without causing turbulent flow due to interference. As described above, since each outside air intake port 10 communicating with the bifurcated branch duct 9 is opened at the backs of the radiator grille on the both sides of the radiator grill where space is relatively easy, various functional parts in the engine room 1 are provided. The total opening area can be expanded without hindering the layout, and the intercooler 4 is smoother than the opening 11 by avoiding the mutual interference of the outside air flowing from each branching portion by the rectifying plate at the collecting portion. Introducing outside air.

Next, as a second example of this type of conventional technology, there is a technology related to the structure of an automobile hood seal disclosed in Japanese Patent No. 4781806. If this is demonstrated, as shown in FIG. 9, apart from the seal rubber at the front end of the cowl top or the hood 13 of the automobile, for example, the back surface of the hood 13, that is, the hood inner panel at the rear side of the seal rubber at the tip of the hood 13 A seal rubber 14 is disposed along the width direction of the vehicle 13a. When the hood 13 is closed, the seal rubber 14 is elastically brought into contact with a mating member 16 such as a radiator core support in the engine room 15 from the engine room 15. Prevents hot air from blowing back. As shown in FIG. 10, the hood seal rubber 14 is of a type that is extruded into a uniform cross-sectional shape so as to include a mounting base portion 14a and a seal lip 14b, and a hood inner panel 13a having a plurality of clips. Fixed to. When the hood 13 is closed, the shape of the mating member 16 with which the seal lip 14b of the hood seal rubber 14 is elastically contacted is constant, whereas the shape of the hood inner panel 13a itself is fixed. If there is a shape change part such as a concave part by drawing, for example, the attachment base part 14a of the hood seal rubber 14 cannot be seated on the hood inner panel 13a at least in the concave part, and there is a gap. Will occur. As a countermeasure, an ultra-soft sponge-like sealing material 14c called an “epto-seal” or the like is attached to the back side of the mounting base portion 14a on the portion of the hood seal rubber 14 corresponding to the concave portion of the hood inner panel 13a. I have to.

No. 6-4030 Utility Model Gazette Japanese Patent No. 4781806

Since the conventional technology has the above-described configuration and operation, the following problems existed.
According to the first example described above, there is no member such as a hood seal rubber on the back surface of the engine hood 5 and the engine hood is heated while air heated in the engine room 1, that is, hot air swirls around the intake duct 3. 5 is introduced into the outside air intake body 8 from the back surface. Thus, there is a problem that the aerodynamic performance of the automobile is deteriorated and the combustion efficiency of the engine is lowered. In addition, air warmed in the engine room 1, that is, hot air, is also taken in from the radiator grill 10a and the like, and introduced into the intercooler 4 from the opening 11 via the bifurcated branch duct 9, and the engine combustion efficiency is deteriorated. There was also a problem.

According to the second example described above, the hood seal rubber 14 is fixed to the hood inner panel 13a to prevent the hot air from blowing back from the engine room 15, but the hood seal rubber 14 has an overall cross-sectional shape. When the hood 13 is closed, the tip of the hood seal rubber 14 cannot be completely sealed with the mating member 16 when the hood 13 is closed. There is a problem that warm air is introduced into the engine room 15 from the outside, and the combustion efficiency of the engine is deteriorated. In addition, since the hood inner panel 13a does not function unless it has a shape-changing portion such as a recessed portion formed by drawing other than a fixed shape, the hood inner panel 13a is provided with a seal rubber 14, which increases the number of parts and the hood seal. There is a problem that the number of steps for fixing the rubber 14 to the hood inner panel 13a increases. Further, there has also been a problem that the seal lip 14b of the hood seal rubber 14 remains cut or deformed due to repeated long-term closing / opening operations of the hood 13 and does not function.
The problem to be solved by the present invention is to solve the problems described in the background art.

The outside air introduction device for automobiles according to the present invention has a unique structure. The outside air introduction device for automobiles is fixed to a hood inner panel, and warm air from the engine room is shut off to prevent running wind and outside air from the outside. The purpose is to provide a technology to improve the combustion efficiency of the engine by preventing the entry into the engine room and sucking only into the opening that is blown to the intercooler and improving the aerodynamic performance of the automobile. It is established from the following configuration / means.

That is, according to the first aspect of the present invention, the traveling wind regulation member that regulates the introduction of hot air and outside air from the engine into the engine panel, and the traveling wind regulation member that is connected and coupled to the traveling wind regulation member. In the outside air introduction device for a vehicle, which is constituted by a traveling wind introduction member that takes in cold air or outside air guided from the member into an intercooler through an opening formed in the engine panel, the traveling wind regulating member is a vehicle A flat portion fixed to the inner panel, and a leg portion integrally formed with the flat portion and having a substantially S-shaped side surface, the leg portion having a substantially square shape with the side surface bulging forward of the automobile. becomes in an upper and a tongue piece formed by flexible foamed sponge EPDM material having a value of from gravity Sg is 0.4 0.7 with projecting the consolidated and bonded and the tip portion to the upper forward of the automobile The running wind The insertion member has a substantially U-shaped flat part, and has a leg part that is integrally formed with the flat part and has a substantially S-shaped side surface. The tip part of the leg part is tapered, and A feature is that a series of substantially triangular wall surfaces are formed at predetermined intervals .

According to the second aspect of the present invention, in the outside air introduction device for an automobile according to the first aspect, the shore hardness Hs of the traveling wind regulating member excluding the tongue piece is in the range of 65 ° to 75 °. It is characterized by that.

According to the third aspect of the present invention, in the outside air introduction device for an automobile according to the first aspect, the leg portion of the traveling wind regulating member is connected to and joined to the flat portion and the upper end of the upper portion. The first included angle θ ₁ at the formed bending point P ₁ , the second included angle θ _{2 at the} upper intermediate point P ₂ , and the third included angle θ at the lower end bent point P _{3. 3} is in the range of 110 ° to 130 °, respectively.

Since the outside air introduction device for automobiles according to the present invention has the above-described configuration, the following effects can be obtained.

That is, according to the first aspect of the present invention, the traveling wind regulation member that regulates the introduction of hot air and outside air from the engine into the engine panel, and the traveling wind regulation member that is connected and coupled to the traveling wind regulation member. In the outside air introduction device for a vehicle, which is constituted by a traveling wind introduction member that takes in cold air or outside air guided from the member into an intercooler through an opening formed in the engine panel, the traveling wind regulating member is a vehicle A flat portion fixed to the inner panel, and a leg portion integrally formed with the flat portion and having a substantially S-shaped side surface, the leg portion having a substantially square shape with the side surface bulging forward of the automobile. becomes in an upper and a tongue piece formed by flexible foamed sponge EPDM material having a value of from gravity Sg is 0.4 0.7 with projecting the consolidated and bonded and the tip portion to the upper forward of the automobile The running wind The insertion member has a substantially U-shaped flat part, and has a leg part that is integrally formed with the flat part and has a substantially S-shaped side surface. The tip part of the leg part is tapered, and Provided is an outside air introduction device for an automobile characterized in that a series of substantially triangular wall surfaces are formed at predetermined intervals .
With such a configuration, the warm air from the engine room is shut off to prevent outside running air and outside air from entering the engine room and to be sucked only into the opening that is blown to the intercooler. Improve the aerodynamic performance to improve the combustion efficiency of the engine and improve the sealing performance between the running wind regulating member and the engine panel, and smoothly regulate and introduce outside air or cold air into the opening to increase the intercooler When it is operated efficiently and the hood of the automobile is closed, the noise is absorbed and the generation of the noise can be prevented. In addition, the running wind introduction member has a tapered shape at the tip of the leg, and a series of substantially triangular wall surfaces are formed at predetermined intervals of the flat surface, so that the tip of the leg is brought into close contact with the engine panel. There is an effect that the air is efficiently blown to the intercooler and the strength of the traveling wind introduction member is increased to contribute to durability .

According to a second aspect of the present invention, the outside air introduction for automobiles according to the first aspect is characterized in that a shore hardness Hs of the traveling wind regulating member excluding the tongue piece is in a range of 65 ° to 75 °. Providing equipment.
Since it was set as such a structure, in addition to the effect of the invention of Claim 1, it has the effect of ensuring the intensity | strength of the external air introduction device for motor vehicles, and improving durability.

According to the third aspect of the present invention, the leg portion of the traveling wind restricting member is connected to and joined to the flat portion, and the first included angle θ ₁ at the bending point P ₁ formed by the upper end of the upper portion. The second included angle θ _{2 at the} upper intermediate point P ₂ and the third included angle θ _{3 at} the lower end bending point P ₃ are in the range of 110 ° to 130 °, respectively. The outside air introduction device for automobiles according to claim 1 is provided.
With such a configuration, in addition to the effect of the invention according to claim 1, it is possible to smoothly perform the bending / reversing operation of the flat portion and the leg portion in the travel wind regulating member, and the travel wind regulation. There is an effect that the function of the member is not deteriorated.

It is drawing which shows embodiment of the external air introducing device for motor vehicles based on this invention, Comprising: It is the top view cut | disconnected partially. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view illustrating a state in which an outside air introduction device for an automobile according to an embodiment of the present invention is mounted on a hood inner panel. BRIEF DESCRIPTION OF THE DRAWINGS It is drawing which shows embodiment of the external air introduction device for motor vehicles based on this invention, Comprising: It is the partially cutaway front view which shows the driving | running | working wind control member of the external air introduction device for motor vehicles. It is drawing which shows embodiment of the external air introduction device for motor vehicles concerning this invention, Comprising: It is the expanded sectional view seen from the arrow AA line direction of FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is drawing which shows embodiment of the external air introduction device for motor vehicles based on this invention, Comprising: The hood of a motor vehicle is abbreviate | omitted, and when the hood of this motor vehicle is closed, this outdoor air introduction device for motor vehicles is on the engine panel upper surface of a motor vehicle It is a perspective view which shows the state located. It is drawing which shows the Example of the driving | running | working wind introduction member of the external air introduction device for motor vehicles based on this invention, Comprising: (a) is an expanded sectional view seen from the BB line direction of FIG. 1, (b) is FIG. The expanded sectional view seen from CC line direction, (c) is the expanded sectional view seen from the DD line direction of FIG. It is a perspective view which shows the structure of the external air introduction duct structure of the motor vehicle as a 1st example in the prior art. It is sectional drawing which cut | disconnected perpendicularly the external air introduction duct structure of the motor vehicle as a 1st example in a prior art. It is a perspective view of the motor vehicle which shows the mounting state of the hood seal rubber of the motor vehicle as a 2nd example in the prior art. It is an expansion perspective view which shows the food | hood seal | sticker rubber of the motor vehicle as a 2nd example in a prior art.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of an automotive outside air introducing device according to the present invention will be described in detail with reference to FIGS.
Reference numeral 17 denotes an outside air introduction device for an automobile, which is roughly composed of a traveling wind restricting member 17A and a traveling wind introducing member 17B coupled thereto. The traveling wind introduction member 17B is formed in a substantially U shape when viewed from the plan view of FIG. As shown in FIG. 2, the outside air introduction device 17 for an automobile is fixed to an automobile hood inner panel 18 installed on the back surface of an automobile hood outer panel (not shown). The hood inner panel 18 is openable and closable, and is set so as to cover an engine panel, which will be described later, when the hood inner panel 18 is closed. The traveling wind regulating member 17A has an overall length of, for example, about 570 to 600 (mm), a flat portion 19, and a cross-section or side surface shape that is integrally formed with the flat portion 19 and hangs downward from the flat portion 19. Is provided with a substantially S-shaped skirt portion 20. The traveling wind regulating member 17A is fixed to the hood inner panel 18 so that the direction of arrow E in FIG. Further, the running wind restricting member 17A has a Shore hardness Hs in the range of 65 ° to 75 ° except for a tongue piece 20b described later.

The flat portion 19 of the running wind regulating member 17A is a to the thickness t ₀ is 2.5, as shown in FIG. 4 3 (mm), the length direction that is, in the width direction of the automobile hood inner panel 18 The small diameter small holes 19a are penetrated at predetermined intervals W, for example, 120 to 130 (mm). The small hole 19a is formed when the traveling wind regulating member 17A is fixed to the hood inner panel 18, for example, a head portion 21a and a shaft portion of the clip 21 formed of, for example, a hard resin material or a metal material shown in FIGS. 21b is inserted into the small hole 19a, and the head portion 21a of the clip 21 having an umbrella shape, for example, is fixed to an insertion hole (not shown) provided in the hood inner panel 18 in advance. 21c is a substrate of the clip 21 and does not enter the small hole 19a and has a stopper function. 19d is a set position of the small holes 19a a small protrusion that run in the longitudinal direction substantially at the center of the width length S ₁ of the flat surface portion 19.

A substantially U-shaped notch 19b is formed in a substantially central portion in the length direction of the plane portion 19 of the outside air introduction device 17 for automobiles. The symbolic U-shaped notch 19b has a width length _{S 1,} i.e. 15 to notch hole substantially equal to that of 17 (mm) of from 60 free length _{L 1} 70 (mm), depth flat portion 19. The substantially U-shaped notch 19b was set to avoid the first member 22 fixed to the hood inner panel 18 as shown in FIG. Further, a substantially stepped notch 19c is formed in the left side of the substantially U-shaped notch 19b shown in FIG. It the symbolic stepped notch 19c length _{L 2} is not 100 120 (mm), depth a comparable width length _{S 1} of the flat portion 19, the second stage from the first stage 19c ₁ those of 19c ₂ is deeply formed. The substantially stepped notch 19c is set to avoid the second member 23 and the third member 24 fixed to the hood inner panel 18 as shown in FIG. If the right end of the outside air introduction device 17 for automobiles shown in FIG. 1 is reversed, it corresponds to the position of FIG.

As shown in FIG. 4, the skirt portion 20 is composed of a substantially square upper portion 20a and a tongue piece 20b connected and joined to the upper portion 20a. Upper 20a is set so as to bulge forwardly through the bending point P ₁ between the flat portion 19 Yes joined its upper end a flat portion 19, formed integrally with the flat portion 19 of the running wind regulating member 17A, The thickness t ₁ is slightly thicker than the thickness t ₀ of the flat portion 19 and is set to, for example, 3.5 to 4 (mm). The lower end of the upper portion 20a is connected to and joined to the tongue piece 20b. The tip of the tongue 20b is tapered, the width is set to about 2 (mm) and is formed so as to protrude forward and bend. is there. The tongue piece 20b is made of EPDM or the like and is made of a flexible, highly foamed sponge having a specific gravity Sg of about 0.4 to 0.7.

Set in the skirt portion 20 is vertical length _{L 3} of the upper 20a from the vertical direction length _{L 0} is 38 to 41 (mm) each other is set to the surface of the flat portion 19 to no 25 26 (mm) Yes and the midpoint of the planar surface portion 19, that is, the length _{L 5} of the to the bending point _{P 2} is set to 15 (mm). The length _{L 6} at the point of attachment of the terminal, that the tongues of the bending point _{P 3} and the top 20a of the lower end portion of the upper 20a is set to 3 (mm). And the length _{L 4} of the tongue 20b is set to to no 13 15 (mm).

The first to third included angles θ ₁ to θ ₃ formed by the bending points P ₁ to P _{3 of the} skirt portion 20 are set to 110 ° to 130 °, respectively. The upper portion 20a and tongue piece 20b of the skirt portion 20 are formed with notches 20c to 20e having a desired shape, for example, a U shape or a step shape when viewed from the front as shown in FIG. Yes. The notches 20c to 20e are mounted on the engine panel 28 when the hood inner panel 18 is closed to the engine panel 28 side, and the frame 25 and other functional parts 26, 27 having other unique shapes projecting on the surface thereof. It is formed in order to avoid.

Next, an assembling procedure, an operation thereof, and the like will be described based on the embodiment in the outside air introducing device 17 for an automobile according to the present invention.
As shown in FIG. 1, the flat portion 29 of the traveling wind introduction member 17B has a small hole 29a formed at predetermined intervals in the same manner as the traveling wind regulating member 17A. The small holes 29a, when fixing the traveling wind introduction member 17B to the hood inner panel 18, are shown in FIGS. 3 and 4, for example, a head 21a of the clip 21 formed of a hard resin material or a metal material, and the like. The shaft portion 21b is fitted into the small hole 29a, and the head portion 21a of the clip 21 having an umbrella shape, for example, is fixed to a fitting hole (not shown) provided in the hood inner panel 18 in advance. 21c is a substrate of the clip 21 and does not enter the small hole 19a and has a stopper function.

Thus, the vehicle outside air introduction device 17 according to the present invention is fixed to the inner panel 18 fixed to the back surface of the hood 18A of the vehicle as shown in FIG. In this state, when the automobile hood 18A is closed, the outside air introduction device 17 for the automobile according to the present invention has a tongue of the running air regulating member 17A of the outside air introduction apparatus 17 for the automobile according to the present invention as shown in FIG. The piece 20b presses the upper surface of the engine panel 28 of the automobile. FIG. 2 shows the position of the outside air introduction device 17 for an automobile according to the present invention in a state where the hood 18A of the automobile is omitted.

The coupling portion 29A of the traveling wind introduction member 17B and the traveling wind regulating member 17A includes a flat portion 29, but is formed wider than the other portion and fits in a substantially stepped notch 19c shown in FIG. It was set as the structure which reinforces the weakness of the part by avoiding the member 23 and the 3rd member 24. The cross section or the side surface shape of the leg portion 31 of the traveling wind introduction member 17B changes as shown in FIGS. 6A, 6B, and 6C, depending on the cut surface portion of the traveling wind introduction member 17B. Figure 6 plane portion 29 and leg portions 31 shown in (a) is a 60 ° to not 45 ° included angle theta ₄ a shape rather substantially, the thickness of the flat portion 29 and leg portions 31 2.5 Set to (mm) to 3.5 (mm). 6 (b) and 6 (c) are formed so as to project outward from the horizontal position of the flat portion 29, and have a substantially S-shaped side surface or cross-sectional shape. Each of the pieces 31a is tapered, and the included angles θ ₅ and θ _{6 at} the joint points P ₄ and P ₅ between the upper portion 31b of the leg portion 31 and the tongue piece 31a are set to about 110 ° to 130 °. ing. The running wind introduction member 17B is set such that the shore hardness Hs of the flat portion 29, the leg portion 31, the upper portion 31b of the leg portion 31, the tongue piece 31a and the wall surface 31c is in the range of 65 ° to 75 °.

When the vehicle travels as shown in FIG. 5, traveling wind and outside air flow from the front of the vehicle in the directions of arrows F1 and F2, but is blocked by the traveling wind regulating member 17A of the outside air introduction device 17 for the vehicle. In addition, an opening formed in the engine panel 28 is guided to the entire surface of the upper portion 20a of the skirt portion 20 and the tongue piece 20b without being fed into the engine room, and is fed in the direction of the arrow G to be caught in the traveling wind introduction member 17B. After 30, it is introduced into an intercooler (not shown).

On the other hand, in the engine room, hot air is generated by the operation, but the hot air turns inside the skirt 20 as shown by the arrow H direction, and the hot air mixes with traveling wind and outside air from the outside of the automobile. Without being sent in the direction of arrows F1 and F2. Therefore, the air heated by the engine is shut off, and the engine can always improve the combustion efficiency.

Next, an embodiment of the outside air introduction device for automobiles according to the present invention will be described. The structure of the traveling wind introduction member provided in the aforementioned outside air introduction device for automobiles will be described as an example. The traveling wind introduction member 17B has a substantially U shape as shown in FIGS. 1, 2, and 5, and forms a flat plane portion 29.

The coupling portion 29A of the traveling wind introduction member 17B and the traveling wind regulating member 17A includes a flat portion 29, but is formed wider than the other portion and fits in a substantially stepped notch 19c shown in FIG. It was set as the structure which reinforces the weakness of the part by avoiding the member 23 and the 3rd member 24. The cross section or the side surface shape of the leg portion 31 of the traveling wind introduction member 17B changes as shown in FIGS. 6A, 6B, and 6C, depending on the cut surface portion of the traveling wind introduction member 17B. Figure 6 plane portion 29 and leg portions 31 shown in (a) is a 60 ° to not 45 ° included angle theta ₄ a shape rather substantially, the thickness of the flat portion 29 and leg portions 31 2.5 Set to (mm) to 3.5 (mm). 6 (b) and 6 (c) are formed so as to project outward from the horizontal position of the flat portion 29, and have a substantially S-shaped side surface or cross-sectional shape. Each of the pieces 3131a is tapered, and the included angles θ ₅ and θ _{6 at} the joint points P ₄ and P ₅ between the upper portion 31b of the leg portion 31 and the tongue piece a are set to about 110 ° to 130 °. ing. The running wind introduction member 17B is set such that the shore hardness Hs of the normal part 29, the leg part 31, the upper part 31b of the leg part 31, the tongue piece 31a and the wall surface 31c is in the range of 65 ° to 75 °. Then, along a substantially U-shaped length of the flat portion 29, integrally form a substantially triangular wall 31c between the predetermined interval length L _7. Thereby, the strength between the flat portion 29 and the leg portion 31 can be ensured, and the durability of the traveling wind introduction member 17B can be improved and the quality for introducing the outside air can be improved.

Thus, when the vehicle travels, traveling wind and outside air flow from the front of the vehicle in the directions of arrows F1 and F2, but is blocked by the traveling wind regulating member 17A of the outside air introduction device 17 for the vehicle and the engine. An opening 30 formed in the engine panel 28 is guided to the entire upper surface 20a of the skirt portion 20 and the entire surface of the tongue piece 20b without being flown into the room, and is flown in the direction of the arrow G and inserted into the traveling wind introduction member 17B. Then, it is introduced into an intercooler (not shown). On the other hand, in the engine room, hot air is generated by the operation, but the hot air turns inside the skirt 20 as shown by the arrow H direction, and the hot air mixes with traveling wind and outside air from the outside of the automobile. Without being sent in the direction of arrows F1 and F2. Therefore, the air warmed by the engine is blocked and the engine can always improve the combustion efficiency.

The outside air introduction device for automobiles according to the present invention can be used for various vehicles, construction machines, agricultural machines, large generators and the like in addition to automobiles.

17 Automotive outside air introduction device
17A Traveling wind restricting member 17B Traveling wind introducing member 18 Hood inner panel 18A Automobile hood 19 Planar portion 19a Small hole 19b Substantially U-shaped notch 19c Substantially stepped notch 19c ₁ First step 19c ₂ Second step 19d Small protrusion 20 Skirt portion 20a Upper portion 20b Tongue piece 20c Notch 20d Notch 20e Notch 21 Clip 21a Head portion 21b Shaft portion 21c Substrate 22 First member 23 Second member 24 Third member 25 Frame body 26 Functional component 27 Function Parts 28 Engine panel 29 Plane portion 29A Coupling portion 29a Small hole 30 Opening portion 31 Leg portion 31a Tongue piece (tip portion)
31b Upper part 31c Wall surface L ₀ Vertical length L of skirt part ₁ Length of substantially U-shaped notch L ₂ Length of substantially stepped notch L ₃ Vertical length of upper part L ₄ Length of tongue Length L ₅ Length from the surface of the flat portion to the bending point P ₂ Length L _{6 From the} bending point P ₃ to the connecting point of the tongue piece L ₇ Desired spacing length P _{1 of the} flat portion P ₁ Bending point P ₂ Bending point P ₃ Bending point P ₄ Joint point between upper part of tongue and tongue P ₅ Joint point between upper part and tongue piece S ₁ Width of flat part t ₀ Thickness of flat part of skirt t ₁ Thickness of upper part of skirt

Claims (3)

A traveling wind regulating member that restricts introduction of hot air and outside air from the engine into the engine panel, and cold air or outside air that is connected to and coupled to the traveling wind regulating member and is guided from the traveling wind regulating member into the engine panel. In the outside air introduction device for an automobile configured by a running wind introduction member that is taken into the intercooler through the formed opening, the running wind regulating member is a flat portion fixed to the inner panel of the automobile, and the plane And a leg portion having a substantially S-shaped side surface, and a leg-shaped upper portion whose side surface bulges forward of the automobile, and a front end portion connected to and coupled to the upper portion. And a tongue piece formed of a flexible foam sponge made of EPDM material having a specific gravity Sg of 0.4 to 0.7, and the plane portion of the traveling wind introduction member is substantially U-shaped. And the flat Side is integrally molded part has a substantially S-shaped legs, that the formation of the substantially triangular wall surfaces in series at predetermined intervals becomes and flat portion tip of the leg portion is in a tapered shape An outside air introduction device for automobiles.   2. The outside air introduction device for an automobile according to claim 1, wherein a shore hardness Hs of the traveling wind regulating member excluding the tongue piece is in a range of 65 ° to 75 °. The leg part of the traveling wind regulating member is connected to and joined to the flat part, and the first sandwiching angle θ ₁ at the bending point P ₁ formed at the upper end of the upper part, and at the intermediate point P ₂ of the upper part. 2. The outside air for automobiles according to claim 1, wherein the second included angle θ ₂ and the third included angle θ ₃ at the bending point P ₃ at the lower end of the upper portion are in the range of 110 ° to 130 °, respectively. Introduction device.

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