JP6599216B2 - Wind direction adjustment device - Google Patents

Description

  The present invention relates to a wind direction adjusting device.

  Conventionally, a wind direction adjusting device is known (for example, Patent Document 1).

  The wind direction adjusting device described in Patent Document 1 is configured to adjust the wind direction by arranging three or more fins in the ventilation path and adjusting the direction of these fins. In the wind direction adjusting device described in Patent Document 1, a pair of fins located at both ends of the three or more fins are arranged close to each other along the end surface of the air passage, and the front side split piece on the leeward side. And a rear divided piece on the windward side. The pair of fins (front divided piece, rear divided piece) are connected by a front connecting rod, a rear connecting rod, and the like, and are configured to rotate in conjunction with each other.

JP 2000-318438 A

  In recent years, as a wind direction adjusting device that places emphasis on design, there is a case in which a thin type whose horizontal width dimension is considerably larger than a vertical width dimension is required. In the wind direction adjusting device described in Patent Document 1, since the pair of fins has a two-part structure and the plate thickness is thin, if the width dimension is considerably larger than the length dimension, the rigidity of the fin itself is improved. Necessary.

  Therefore, an object of the present invention is to enable smooth fin operation by a rotation mechanism by improving the rigidity of the fin.

The wind direction adjusting device according to the present invention is connected to a case body having a ventilation path, a pair of fins arranged at intervals in the direction intersecting the ventilation direction in the ventilation path, and each of the pair of fins. A rotation mechanism that rotates the pair of fins in conjunction with each other. Each of the pair of fins includes a rotation shaft portion rotatably supported by the case body, and a fin body having a shape bent inward of the ventilation path from the windward side toward the leeward side. . The fin body includes a bent portion, a windward fin body portion on the leeward side of the bent portion, and a leeward fin body portion on the leeward side of the bent portion, and rotates the rotating shaft portion. The leeward fin main body and the leeward fin main body are pivotally supported as a center.

  In the wind direction adjusting apparatus according to the present invention, each of the fin bodies of the pair of fins is not a simple plate shape, but has a shape bent inward of the ventilation path from the windward side toward the leeward side. For this reason, even if it is a case where a fin is long, the rigidity (bending rigidity, torsional rigidity) of fin itself improves. By improving the rigidity of the fin, the fin can be smoothly operated by the rotation mechanism.

It is a perspective view of the wind direction adjustment apparatus which concerns on embodiment of this invention. It is a disassembled perspective view of the wind direction adjustment apparatus which concerns on embodiment of this invention. It is a cross-sectional view of the wind direction adjusting device showing the configuration of the rotation mechanism. It is a cross-sectional view of the wind direction adjusting device showing the operating state in the vertical direction.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  The wind direction adjusting device according to the present embodiment is a device that is provided at an air outlet of an air conditioner provided in a vehicle such as an automobile and adjusts the wind direction. This wind direction adjusting device is also called a ventilator, a register, or the like, and is installed, for example, in an opening provided in an instrument panel, a center console, or the like.

  Hereinafter, the downstream side (downwind side) of the air flow will be referred to as the front side, the upstream side (downwind side) of the air flow will be referred to as the rear side, and the left and right direction and the up and down direction will be described based on the state attached to the vehicle. . In the drawing, the arrow FR indicates the front side, and the arrow RR indicates the rear side.

  As shown in FIGS. 1 and 2, the wind direction adjusting device 10 operates a case body 11, a pair of fins 12 and 13 that are rotatably provided in the case body 11, and the pair of fins 12 and 13. And an operation dial 14 for performing the operation. The case body 11 has a flat shape with a dimension in the left-right direction larger than the dimension in the vertical direction. A pair of fins 12 and 13 is for adjusting the direction (wind direction) of the air which blows off into the vehicle interior from the blower outlet 19 mentioned later. The operation dial 14 is rotatably attached to the case body 11 (case body 15).

  The case body 11 is mainly composed of a rectangular tubular case main body 15 and a finisher (panel) 16 that is detachably attached to the front end portion of the case main body 15. The case main body 15 has an air passage 17 through which air from an air conditioner (not shown) is circulated from the rear end side (the back side in FIG. 1) to the front end side (the front side in FIG. 1). Yes. The case main body 15 is formed with a bearing portion (rotating shaft hole) 18 that rotatably supports the pair of fins 12 and 13. The finisher 16 forms part of the design surface at the mounting position of the wind direction adjusting device 10. The finisher 16 is formed with an air outlet 19 for blowing air into the passenger compartment and an opening 20 for exposing a part of the operation dial 14. The case body 11 (the case body 15 and the finisher 16) is made of, for example, a synthetic resin material.

  The pair of fins 12 and 13 is also referred to as a horizontal louver or the like, and is arranged in parallel in the ventilation path 17 at intervals in the vertical direction. Each fin 12, 13 has a fin main body 21 extending in the left-right direction and a rotating shaft portion 22 provided at both ends in the longitudinal direction of the fin main body 21. The rotation shaft portion 22 is inserted into the bearing portion 18 of the case main body 15 so that the fins 12 and 13 are attached to the case main body 15 so as to be rotatable about the rotation shaft portion 22 as a rotation center. The pair of fins 12 and 13 are made of, for example, a synthetic resin material.

  The fin main body 21 of each fin 12, 13 has a shape bent inward of the ventilation path 17 from the windward side to the leeward side (or from the leeward side to the windward side). Specifically, the fin body 21 includes a bent portion 23, a windward fin body portion 24 on the windward side of the bent portion 23, and a leeward fin body portion 25 on the leeward side of the bent portion 23. Yes. The length L1 in the ventilation direction of the windward fin main body 24 is longer than the length L2 in the ventilation direction of the leeward fin main body 25 (see FIG. 4). The pair of fins 12 and 13 are arranged close to the inner side surface of the case body 15 so that one windward fin body portion 24 and the other leeward fin body portion 25 are parallel to each other. .

  The wind direction adjusting device 10 includes a rotation mechanism 26 that is connected to each of the pair of fins 12 and 13 and rotates in conjunction with the pair of fins 12 and 13. As shown in FIGS. 2 and 3, the rotation mechanism 26 is mounted on the drive gear 27 that is rotatably mounted on the case main body 15 and the rotation shaft portion 22 of the fins 12 and 13. The driven gears 28 and 29 are driven, and the intermediate gear 30 is disposed between the driving gear 27 and the driven gears 28 and 29 and transmits the rotation of the driving gear 27 to the driven gears 28 and 29. The drive gear 27 is coupled to the operation dial 14, and the driven gears 28 and 29 are coupled to the rotation shaft portions 22 of the fins 12 and 13, respectively. The driven gear 28 coupled to the lower fin 12 and the driven gear 29 coupled to the upper fin 13 have the same diameter and the same number of teeth, the gear ratio of the driven gear 28 to the intermediate gear 30, The gear ratio of the driven gear 29 to the gear 30 is the same. Therefore, the rotation mechanism 26 is configured to rotate while the pair of fins 12 and 13 are interlocked with each other while the pair of fins 12 and 13 is kept parallel to each other.

  Next, operation | movement of the wind direction adjustment apparatus 10 which concerns on this embodiment is demonstrated.

  In the wind direction adjusting device 10 according to the present embodiment, when the operation dial 14 is in the neutral position, as shown in FIG. 4A, the air blown out from the air outlet 19 flows straight to the front side. Yes.

  When the operation dial 14 is rotated downward from the neutral position (clockwise in FIG. 4), the pair of fins 12 and 13 are rotated clockwise in FIG. To turn. At this time, the windward fin body portion 24 of the lower fin 12 protrudes into the ventilation path 17, and the leeward fin body portion 25 of the upper fin 13 protrudes into the ventilation path 17, so that the lower fins 12 The leeward fin main body 24 and the leeward fin main body 25 of the upper fin 13 form a flow path from the upper side to the lower side. For this reason, as shown in FIG. 4B, when the operation dial 14 is rotated clockwise from the neutral position in FIG. 4, the pair of fins 12 and 13 deflect the air downward. And blow out from the outlet 19.

  When the operation dial 14 is rotated clockwise in FIG. 4 to the lower limit, the leeward fin main body portion 25 of the lower fin 12 is parallel to the inner side surface of the case main body 15 as shown in FIG. At the same time, the windward fin main body portion 24 of the upper fin 13 is parallel to the inner surface of the case main body 15, and other portions of the pair of fins 12, 13 form a flow path from above to below. At this time, of the pair of fins 12 and 13, the windward fin main body portion 24 of the lower fin 12 largely protrudes into the ventilation passage 17 and plays a role of suppressing wind blow-off.

  On the other hand, when the operation dial 14 is turned upward from the neutral position (counterclockwise in FIG. 4), the pair of fins 12 and 13 are shown in FIG. It rotates counterclockwise. At this time, the leeward fin body portion 25 of the lower fin 12 protrudes into the ventilation path 17, and the windward fin body portion 24 of the upper fin 13 protrudes into the ventilation path 17. The leeward fin body portion 25 and the leeward fin body portion 24 of the upper fin 13 form a flow path from the lower side to the upper side. For this reason, as shown in FIG. 4C, when the operation dial 14 is rotated counterclockwise in FIG. 4 from the neutral position, the pair of fins 12 and 13 deflect the air upward. And let it blow out from the air outlet 19.

  When the operation dial 14 is rotated counterclockwise in FIG. 4 to the upper limit, the windward fin body portion 24 of the lower fin 12 is parallel to the inner surface of the case body 15 as shown in FIG. At the same time, the leeward fin main body portion 25 of the upper fin 13 is parallel to the inner surface of the case main body 15, and the other portions of the pair of fins 12 and 13 form a flow path from the lower side to the upper side. At this time, the windward fin main body 24 of the upper fin 13 out of the pair of fins 12 and 13 largely protrudes into the ventilation path 17 and plays a role of suppressing wind blowing.

  Below, the effect by this embodiment is demonstrated.

  (1) A wind direction adjusting apparatus 10 according to the present embodiment includes a case body 11 having a ventilation path 17, a pair of fins 12 and 13 disposed in the ventilation path 17 at intervals in a direction intersecting the ventilation direction, A rotation mechanism 26 that is connected to each of the pair of fins 12 and 13 and rotates in conjunction with the pair of fins 12 and 13 is provided. Each of the pair of fins 12 and 13 includes a rotation shaft portion 22 that is rotatably supported by the case body 11, and a fin body 21 having a shape bent inward of the ventilation path 17 from the windward side toward the leeward side. And having.

  In the wind direction adjusting device 10 according to the present embodiment, each of the fin bodies 21 of the pair of fins 12 and 13 is not a simple plate shape, but inward of the ventilation path 17 from the windward side toward the leeward side. It has a bent shape. For this reason, even when the fins 12 and 13 are long, the rigidity (bending rigidity and torsional rigidity) of the fins 12 and 13 themselves is improved. Since the rigidity of the fins 12 and 13 is improved, the fins 12 and 13 can be smoothly operated by the rotation mechanism 26.

  (2) The fin body 21 includes a bent portion 23, an upwind fin body portion 24 on the leeward side of the bent portion 23, and a leeward fin body portion 25 on the leeward side of the bent portion 23. The length L1 of the fin body portion 24 in the ventilation direction is longer than the length L2 of the leeward fin body portion 25 in the ventilation direction.

  In the wind direction adjusting apparatus 10 according to the present embodiment, the fin main body 21 of the pair of fins 12 and 13 has a substantially U-shaped cross section (V shape). When the pair of fins 12 and 13 are rotated by the rotation mechanism 26, one windward fin body portion 24 of the pair of fins 12 and 13 largely protrudes into the ventilation path 17, so that wind blow-off is suppressed. As a result, the air distribution performance can be improved.

  (3) The rotation mechanism 26 includes a drive gear 27 that is rotatably attached to the case body 11, and a driven gear 28 that is attached to the rotation shaft portion 22 of the fins 12 and 13 and is driven by the drive gear 27. 29.

  In the wind direction adjusting device 10 according to the present embodiment, a gear mechanism is used as the rotation mechanism 26. By doing in this way, it becomes possible to rotate the pair of fins 12 and 13 accurately in conjunction with each other.

  By the way, although the wind direction adjusting device of the present invention has been described by taking the above-described embodiment as an example, the present invention is not limited to this embodiment, and various other embodiments can be adopted without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 10 Wind direction adjustment apparatus 11 Case body 12 Fin 13 Fin 17 Ventilation path 21 Fin main body 22 Rotating shaft part 23 Bending part 24 Upwind fin main body part 25 Downward fin main body part 26 Rotating mechanism 27 Drive gear 28 Driven gear 29 Driven gear

Claims (3)

A case body having a ventilation path;
A pair of fins arranged at intervals in a direction intersecting the ventilation direction in the ventilation path;
A rotation mechanism coupled to each of the pair of fins and rotating in conjunction with the pair of fins;
Each of the pair of fins is
A rotating shaft portion rotatably supported by the case body;
From the windward side to the leeward side have a, a fin body having a bent shape inward of said air passage,
The fin body includes a bent portion, a windward fin body portion on the leeward side of the bent portion, and a leeward fin body portion on the leeward side of the bent portion,
The wind direction adjusting device , wherein the windward fin main body portion and the leeward fin main body portion are rotatably supported around the rotation shaft portion as a rotation center . The length of the ventilating direction of the windward fin body portion of the fin body, wind deflector according to claim 1, wherein longer than the length of the ventilating direction of the leeward fin main body. The rotation mechanism is a gear mechanism having a drive gear that is rotatably attached to the case body, and a driven gear that is attached to the rotation shaft portion and driven by the drive gear. The wind direction adjusting device according to claim 1 or 2.

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