JP2017056896A - Deflector device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a deflector device that can suppress negative pressure which is generated at a rear side of a vehicle, of a mesh member.SOLUTION: A mesh member 21 extending in a width direction of a vehicle along a front edge part of an opening formed in a roof of the vehicle is formed in a lattice shape by a plurality of lateral line parts 27 extending in a longitudinal direction and a plurality of vertical line parts extending in a lateral direction. When the mesh member 21 is in a state of protruding toward above the roof, cross-sectional shapes of the lateral line parts 27 are set so that dimensions L in the longitudinal direction of the vehicle are larger than dimensions H in a vertical direction thereof.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a deflector device.

  Conventionally, as a deflector device, what was indicated, for example in patent documents 1 is known. The deflector device includes an upper frame (upper frame member) and a lower frame (lower frame member) that extend in the width direction of the vehicle along a front edge portion of an opening formed in the roof of the vehicle, and an upper side The frame and the lower frame are each provided with a mesh member (net) extending in the width direction of the vehicle along the front edge of the opening, with both short-side end portions held respectively. The mesh member has flexibility and air permeability. When the upper frame rises with respect to the lower frame, the mesh member protrudes above the roof while being pulled by the upper frame. And a mesh member lets the air (wind) which hits from the front of a vehicle pass in this state.

Japanese Patent No. 4586212

  By the way, such a mesh member causes a wind noise, for example, by generating a negative pressure (relatively low pressure) behind the mesh member. In Patent Document 1, it is described that the mesh member is composed of a plurality of sections having different fabric densities, but it does not deal with the negative pressure of the mesh member itself.

  The objective of this invention is providing the deflector apparatus which can suppress the negative pressure which generate | occur | produces behind the vehicle of a mesh member.

  A deflector device that solves the above problems includes an upper frame that extends in a vehicle width direction along a front edge portion of an opening formed in a vehicle roof, and extends in the vehicle width direction along the front edge portion. A mesh direction member, and a short side direction one side end portion is fixed to the roof and a short side direction other side end portion is fixed to the upper frame, and the upper frame is raised together with the upper frame. A mesh member that protrudes upward from the roof and fits below the roof together with the upper frame in a state in which the upper frame is lowered, and the mesh member includes a plurality of horizontal line portions extending in the longitudinal direction and a plurality of extending in the lateral direction. When the mesh member is in a state protruding above the roof together with the upper frame, a cross-sectional shape of the horizontal line portion Is set to the dimension in the longitudinal direction of the vehicle is larger than the dimension in the vertical direction.

  According to this configuration, when the mesh member protrudes above the roof together with the upper frame, air (wind) passing through the mesh member is negative behind the mesh member (horizontal line portion or the like). Generate pressure. However, the cross-sectional shape of the horizontal line portion is such that the dimension in the front-rear direction of the vehicle is set to be larger than the dimension in the vertical direction, so that the negative pressure generated behind the vehicle in the horizontal line portion, and thus the vehicle of the mesh member The negative pressure generated behind can be suppressed.

  In the deflector device, when the mesh member protrudes above the roof together with the upper frame, the horizontal line portion positioned at least at the upper end of the mesh member extends horizontally in the longitudinal direction in the cross-sectional shape or It is preferable to incline so that it may go upward as it goes to the rear of the vehicle.

  According to this configuration, air (wind) passing through the mesh member is directed horizontally toward the upper side or toward the rear of the vehicle at the horizontal line portion located at least at the upper end of the mesh member. Guided. Therefore, the guided air (wind) can help to blow the air (wind) that is the main stream over the deflector device (upper frame) to the rear of the vehicle.

  In the deflector device, when the mesh member protrudes above the roof together with the upper frame, the vertical line portions located at both longitudinal ends of the mesh member have a longitudinal direction in a cross-sectional shape of the vehicle. It is preferable to incline toward the outside in the width direction of the vehicle as it goes rearward.

  According to this configuration, the air (wind) passing through the mesh member is guided toward the outer side in the vehicle width direction at the vertical line portions located at both ends in the longitudinal direction. Therefore, the entrainment of air (wind) from the outside in the width direction of the vehicle at both longitudinal ends of the mesh member can be suppressed.

  The present invention has an effect of suppressing the negative pressure generated behind the vehicle of the mesh member.

The perspective view which shows the roof of the vehicle with which one Embodiment of a deflector apparatus is applied. The perspective view which shows the structure about the deflector apparatus of the embodiment. FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 2. Sectional drawing along line 4-4 in FIG. (A), (b) is sectional drawing and schematic which show the effect | action about the deflector apparatus of the embodiment.

  Hereinafter, an embodiment of the deflector device will be described. Hereinafter, the front-rear direction of the vehicle is referred to as “front-rear direction”. Further, the inside in the width direction of the vehicle heading toward the inside of the vehicle interior is referred to as “vehicle inside”, and the outside in the width direction of the vehicle toward the outside of the vehicle interior is referred to as “vehicle outside”.

  As shown in FIG. 1, a substantially rectangular opening 10a is formed in a roof 10 of a vehicle such as an automobile, and a deflector 20 extending in the width direction of the vehicle is supported along the front edge of the opening 10a. Further, a substantially rectangular movable panel 11 made of, for example, a glass plate capable of opening and closing the opening 10a is supported.

  The deflector 20 is rotatably connected to the roof 10 around an axis extending in the direction at both ends in the width direction of the vehicle. The deflector 20 is attached so as to be able to perform a so-called tilt-up operation in which the front part rises by rotating around the rear part. The deflector 20 is released from the movable panel 11 side with the opening operation of the movable panel 11 and tilts up, and protrudes above the roof 10 (deployed state). Alternatively, the deflector 20 is pressed from the movable panel 11 side with the closing operation of the movable panel 11 and fits below the roof 10 (stored state). The deflector 20 is in an unfolded state when the opening 10a is opened, thereby preventing air vibrations due to wind being caught in the vehicle interior.

  As shown in FIG. 2, the deflector 20 includes a substantially band-shaped mesh member 21 made of a resin material such as polyethylene resin, which extends in the width direction of the vehicle along the front edge portion of the opening 10 a. As schematically shown in part in FIG. 2, the mesh member 21 includes a plurality of horizontal line portions 27 extending in the longitudinal direction (matching the vehicle width direction) and a plurality of extending in the short direction (generally matching the vertical direction). The vertical line portion 28 forms a lattice shape.

  The deflector 20 includes a substantially rod-shaped lower frame 22 made of a resin material such as polypropylene resin. The lower frame 22 is held on the roof 10 side so as to extend in the width direction of the vehicle, and the short-side end (lower side in FIG. 2) of the mesh member 21 extends over the entire length in the longitudinal direction. The portion (one side terminal portion in the short direction) 21a is embedded.

  Further, the deflector 20 includes an upper frame 23 made of a resin material such as polypropylene resin. The upper frame 23 includes a substantially rod-shaped frame portion 24 extending in the vehicle width direction along the front edge portion of the opening 10a, and an arm extending rearward from each end portion of the frame portion 24 in the vehicle width direction. It has the part 25 integrally. The upper frame 23 embeds a terminal portion (short-side other-side terminal portion) 21 b on one side in the short direction (upper side in FIG. 4) over the entire length of the mesh member 21 in the frame portion 24. Note that a substantially cylindrical shaft portion 26 having a center line extending in the width direction of the vehicle protrudes toward the vehicle inner side at the rear end portion of the arm portion 25. The arm portion 25 (deflector 20) is rotatably connected to the roof 10 side at the shaft portion 26. The arm portion 25 is always on the side where the front end rises with respect to the shaft portion 26, that is, on the side where the deflector 20 is tilted up by an appropriate biasing member (not shown) made of, for example, a bending spring or a torsion spring. It is energized.

  As shown in FIG. 3, the cross-sectional shape of each horizontal line portion 27 is a so-called airfoil shape (tears type, streamline type) with a rounded leading edge and a sharp trailing edge. And when it exists in the expansion | deployment state, each of the some horizontal line part 27 located in the upper end part of the mesh member 21 inclines so that it may go upwards as the longitudinal direction in cross-sectional shape goes to the back of a vehicle. Moreover, the cross-sectional shape of each horizontal line part 27 is set so that the dimension (dimension component) L in the front-rear direction is larger than the dimension (dimension component) H in the vertical direction regardless of the inclination described above.

  On the other hand, as shown in FIG. 4, the cross-sectional shape of each vertical line portion 28 is also a so-called airfoil with a rounded leading edge and a sharp trailing edge. When in the unfolded state, each of the plurality of vertical line portions 28 located at each end in the longitudinal direction (vehicle width direction) of the mesh member 21 has an outer side as the longitudinal direction in the cross-sectional shape is toward the rear of the vehicle. Inclined to head towards.

Next, the operation of this embodiment will be described.
When the mesh member 21 is in a state of projecting above the roof 10 together with the upper frame 23 (deployed state), air (wind) passing through the mesh member 21 is negative behind the mesh member 21 (the horizontal line portion 27 and the like). Generate pressure. However, since the cross-sectional shape of the horizontal line portion 27 is set such that the dimension L in the front-rear direction is larger than the dimension H in the vertical direction, the negative pressure generated behind the vehicle of the horizontal line portion 27 and eventually the vehicle of the mesh member 21. The negative pressure generated behind can be suppressed. Thereby, wind noise can be reduced more. Alternatively, the main air (wind) passing above the deflector 20 (upper frame 23) can be easily blown away from the rear of the vehicle. In particular, as shown in FIG. 5 (a), each of the plurality of horizontal line portions 27 positioned at the upper end portion of the mesh member 21 (for example, a portion positioned above the upper surface of the roof 10) has a longitudinal direction in the cross-sectional shape. Is inclined upward toward the rear of the vehicle. As a result, as shown in FIG. 5B, the air (wind) F <b> 1 passing through the mesh member 21 goes upward as it goes to the rear of the vehicle in the horizontal line portion 27 located at the upper end of the mesh member 21. To be guided. Therefore, the guided air (wind) F1 can help the air (wind) F2 that is the main stream over the deflector 20 (upper frame 23) to fly to the rear of the vehicle. In addition, the mesh member 21 receives the pressure (wind pressure) of the air that passes through the mesh member 21 and bends and deforms so as to protrude toward the rear of the vehicle. The deformation of the mesh member 21 basically acts so as to incline the upper end upward, and does not affect the guidance of the air F1 described above.

As described above in detail, according to the present embodiment, the following effects can be obtained.
(1) In this embodiment, the horizontal line part 27 suppresses the negative pressure generated behind the horizontal line part 27 by setting the dimension L in the longitudinal direction of the vehicle to be larger than the dimension H in the vertical direction. Can do. As a result, wind noise can be further reduced, or air (wind) F2, which is the main stream over the deflector 20 (upper frame 23), can be easily blown to the rear of the vehicle.

  (2) In the present embodiment, each of the plurality of horizontal line portions 27 located at the upper end portion of the mesh member 21 is inclined so that the longitudinal direction in the cross-sectional shape goes upward as it goes to the rear of the vehicle. Thereby, it is possible to help the air (wind) F2 that is the main stream over the deflector 20 (upper frame 23) to fly behind the vehicle.

  (3) In the present embodiment, the vertical line portions 28 located at both ends in the longitudinal direction of the mesh member 21 are inclined so that the longitudinal direction in the cross-sectional shape goes toward the vehicle outer side as it goes toward the rear of the vehicle. Thereby, the air (wind) passing through the mesh member 21 is guided toward the vehicle outer side at the vertical line portions 28 located at both ends in the longitudinal direction. Therefore, the entrainment of air (wind) from the outside of the vehicle at both longitudinal ends of the mesh member 21 can be suppressed.

In addition, you may change the said embodiment as follows.
-In the said embodiment, when it exists in the expansion | deployment state, the vertical line part 28 located in the longitudinal direction both ends of the mesh member 21 inclines so that the longitudinal direction in cross-sectional shape may go to a vehicle outer side as it goes to the back of a vehicle. It does not have to be. For example, the longitudinal line portions 28 located at both longitudinal ends of the mesh member 21 may extend straight in the longitudinal direction in the cross-sectional shape toward the rear of the vehicle.

  -In the said embodiment, when it exists in the expansion | deployment state, the horizontal line part 27 located in the upper end part of the mesh member 21 may extend the longitudinal direction in cross-sectional shape horizontally. In this case, the air (wind) F <b> 1 passing through the mesh member 21 is guided toward the rear of the vehicle at the horizontal line portion 27 located at the upper end portion of the mesh member 21. Therefore, the guided air (wind) F1 can help the air (wind) F2 that is the main stream over the deflector 20 (upper frame 23) to fly to the rear of the vehicle.

  When in the unfolded state, the horizontal line portion 27 located at the lower end of the mesh member 21 may extend horizontally in the longitudinal direction in the cross-sectional shape, and incline so as to go upward as it goes to the rear of the vehicle. It may be.

  In the above-described embodiment, the mesh member 21 may be an integrally molded body of resin, or a resin wire that is a material of the horizontal line portion 27 and a resin wire that is a material of the vertical line portion 28 are knitted. It may be a thing.

  In the embodiment, if the dimension in the front-rear direction is set to be larger than the dimension in the vertical direction when in the unfolded state, the cross-sectional shape of the horizontal line portion 27 is triangular, rectangular, or oval (elliptical) Etc.). Similarly, the cross-sectional shape of the vertical line portion 28 may be a triangle, a rectangle, an oval (such as an ellipse), or the like.

  -In the said embodiment, the mesh member 21 in the unfolded state may protrude substantially above the roof 10 or protrude above the roof 10 with the lower end portion left below the roof 10. May be.

  In the embodiment, the lower frame 22 may be omitted, and the short side one-side end portion of the mesh member 21 may be directly fixed to the roof 10.

  DESCRIPTION OF SYMBOLS 10 ... Roof, 10a ... Opening, 21 ... Mesh member, 21a, 21b ... Terminal part, 22 ... Lower frame, 23 ... Upper frame, 27 ... Horizontal line part, 28 ... Vertical line part.

Claims (3)

An upper frame extending in the width direction of the vehicle along the front edge of the opening formed in the roof of the vehicle;
A mesh member extending in the width direction of the vehicle along the front edge, wherein a short-side one-side terminal is fixed to the roof and a short-side other-side terminal is fixed to the upper frame. A mesh member that projects above the roof together with the upper frame when the upper frame is raised, and fits below the roof together with the upper frame when the upper frame is lowered,
The mesh member has a lattice shape with a plurality of horizontal line portions extending in the longitudinal direction and a plurality of vertical line portions extending in the short direction,
A deflector in which the cross-sectional shape of the horizontal line portion is set such that the dimension in the front-rear direction of the vehicle is larger than the dimension in the vertical direction when the mesh member is in a state of protruding above the roof together with the upper frame. apparatus. The deflector device according to claim 1,
When the mesh member is in a state of protruding above the roof together with the upper frame, the horizontal line portion positioned at least at the upper end of the mesh member extends in the longitudinal direction in the cross-sectional shape horizontally or toward the rear of the vehicle. A deflector device that inclines upward according to the above. The deflector device according to claim 1 or 2,
When the mesh member is in a state of protruding above the roof together with the upper frame, the vertical line portions located at both ends in the longitudinal direction of the mesh member are vehicles as the longitudinal direction in the cross-sectional shape is toward the rear of the vehicle. Deflector device that inclines toward the outside in the width direction.

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