JP5118473B2 - Wind direction adjustment device - Google Patents

Description

  The present invention relates to a wind direction adjusting device used in an automobile or the like, and in particular, the size of a knob for operating a fin is made smaller than before, and the windage loss and noise of the airflow blown from the wind direction adjusting device are made smaller than before. It is about technology.

  Conventionally, a wind direction adjusting device used for an automobile is known (for example, see Patent Document 1). The wind direction adjusting device in this case is shown in FIGS. 7 is a front view of a conventional wind direction adjusting device, FIG. 8 is a plan view of the inside of the wind direction adjusting device of FIG. 7, FIG. 9 is a CC cross section of FIG. 7, and FIG. The state which decomposed | disassembled the apparatus is shown.

As shown in FIG. 7, an air outlet 82 is formed in the bezel 81 of the wind direction adjusting device 80. As shown in FIG. 9, a retainer 83 is disposed after the bezel 81. A seal 84 a is attached to the edge of the air inlet 84 of the retainer 83. A back fin 85 and a front fin 90 are arranged in the ventilation path of the wind direction adjusting device 80. Specifically, the central axis 85a of the rear fin 85 on the vertical axis is disposed in the retainer 83 via first and second back fin supports 87 and 88.
As shown in FIG. 8, the rotation center axis 90 a of the horizontal axis of the front fin 90 is disposed in the retainer 83 via the first and second front fin supports 91 and 92. Further, each back fin 85 is rotatably connected to a connecting member 89.
The front fin 90 further deflects the direction of the airflow deflected by the back fin 85 (the direction of the arrow 110), and the airflow is ejected from the air outlet 82.
An operation knob 94 is slidably attached to the front fin 90. By sliding the knob 94 along the front fin 90 (in the direction of the arrow 94a in FIG. 8), the engaging portion 95 formed at the rear portion of the knob 94 becomes the engaging portion 86 (see FIG. 9) of the back fin 85. Engage and rotate the back fin 85 to change the angle of the back fin 85. Further, the front fin 90 is rotated by the knob 94 to directly manipulate the angle of the front fin 90. Thereby, the angle at which the back fin 85 deflects the airflow can be changed, and further, the angle at which the front fin 90 deflects the airflow can be changed.

As shown in FIG. 10, a damper operating knob 101 is disposed on the front panel (design surface) 81 a of the bezel 81. A knob 101 is rotatably attached to the outer surface of the wall portion 11 via a shim 102. The rotation of the knob 101 is transmitted to the damper plate 104 via the shaft 103. When the damper operating knob 101 is rotated, the damper plate 104 can be rotated to adjust the amount of airflow in the retainer 83. The rotation center axis of the damper plate 104 is prevented from rattling by a spring (not shown).
JP 2003-276428 A

However, in the above-described conventional example, the knob 94 slides along the front fin 90. Therefore, in order to smoothly slide the knob 94, the sliding direction of the knob 94 (the rotation center axis of the front fin 90). 90a (in the axial direction of 90a) is increased, the knob 94 has a plate shape along the front fin 90, and the greater the angle at which the rear fin 85 and the front fin 90 deflect the airflow by the knob 94, the more the airflow generated by the knob 94 becomes. Flow resistance and pressure loss noise increase.
Furthermore, the back fin 85 is far from the air outlet 82, and the directivity of the left and right airflows by the back fin 85 is deteriorated.
Further, since the knob 94 has a plate shape along the front fin 90, the upper portion of the front panel 81a of the bezel 81 is inclined rearward at an angle θ (an angle with respect to the vertical surface 81b in FIG. 9). Since the bottom edge of the mouth 82 protrudes, when the airflow is deflected downward by the front fin 90, the knob 94 approaches the lower edge of the outlet 82 (the knob shown by the two-dot chain line in FIG. 9). 94), it becomes difficult to operate the knob 94 to deflect the airflow upward by the front fin 90. (Conversely, when the upper part of the front panel 81a of the bezel 81 is inclined forward, the knob 94 makes it difficult to operate the front fin 90 to deflect the airflow from top to bottom.)
Further, since the engaging portion 86 is arranged, there is a problem that the notch 85b (see FIG. 9) of the back fin 85 becomes large.
Therefore, the problem to be solved by the present invention is that the outer shape of the knob is made smaller than that of the conventional one and is not plate-shaped along the front fin, the flow resistance and noise of the airflow are reduced, and the directionality of the airflow deflection is reduced. It is to improve.

  In order to solve the above-mentioned problem, the invention according to claim 1 is an airflow direction adjusting device provided with a blowout port for blowing out an airflow, wherein the plurality of back fins for deflecting the airflow are connected by a connecting member so as to interlock with each other, A guide portion is formed on the connecting member, a front fin for further deflecting the airflow deflected by the back fin is disposed, a first rod is rotatably attached to the front fin, and one end of the first rod The second rod is connected to the second rod via a universal joint, and a support portion is provided for rotatably supporting the second rod. An engagement portion is attached to the second rod (the second rod and the engagement portion are integrated with each other). The engaging portion engages with the guide portion, a knob is attached to the other end portion of the first rod, and the rotation of the knob causes the first rod to move. The second rod is rotated via the universal joint by the rotation of the first rod, the engagement portion is rotated by the rotation of the second rod, and the guide portion is rotated by the rotation of the engagement portion. The connecting member is moved through, the angle at which the inner fins deflect the airflow is changed by the movement of the connecting member, and the angle at which the front fin deflects the airflow is changed by the knob. It is an adjustment device.

According to the first aspect of the present invention, the second rod connected to the one end of the first rod rotatably attached to the front fin for further deflecting the airflow deflected by the plurality of back fins via a universal joint. The attached engaging portion engages with “a guide portion formed on a connecting member that connects the plurality of back fins for deflecting the airflow so as to interlock with each other”.
A support portion rotatably supports the second rod, the first rod is rotated by rotation of a knob attached to the other end of the first rod, and the universal joint is interposed by rotation of the first rod. The second rod is rotated, the engagement portion is rotated by the rotation of the second rod, the connection member is moved through the guide portion by the rotation of the engagement portion, and the movement of the connection member is The angle at which the plurality of back fins deflect the airflow is changed. Furthermore, the angle at which the front fin deflects the airflow can be changed by the knob.

  Further, the invention according to claim 2 is the wind direction adjusting device according to claim 1, wherein a long hole or a groove is formed in the guide portion, and the engagement portion slides in the long hole or groove of the guide portion. It is a wind direction adjusting device characterized by engaging.

  According to a second aspect of the present invention, a long hole or a groove is formed in the guide portion, and the engagement portion is slidably engaged with the long hole or groove of the guide portion. Engage with the guide portion and rotate by the rotation of the second rod, and by this rotation, the engagement portion slides while engaging with the elongated hole or groove of the guide portion. The connecting member on which the guide portion is formed can be moved.

  Further, the invention according to claim 3 is the wind direction adjusting device according to claim 1 or 2, wherein the position where the extension line of the first rod and the extension line of the second rod intersect in the universal joint is the front direction. The wind direction adjusting device is characterized in that the fin is arranged on a rotation center axis when rotating when changing an angle of deflecting the direction of the air flow.

  According to a third aspect of the present invention, the position at which the extension line of the first rod and the extension line of the second rod intersect in the universal joint is a rotation when the front fin rotates when deflecting the direction of the airflow. Since it is arranged on the central axis, the extension line of the first rod and the extension line of the second rod in the universal joint intersect even if the front fin rotates when deflecting the direction of the airflow. The position does not move.

According to the first aspect of the present invention, in the wind direction adjusting device, the outer shape of the knob can be made smaller than before, the flow resistance and noise of the airflow can be reduced, and the directivity of the airflow deflection can be improved. Furthermore, the back fin 85 is close to the air outlet 82, and the directivity of the airflow by the back fin 85 is improved. Furthermore, since the outer shape of the knob is not a plate shape along the front fin, the front fin is rotated by the knob to deflect the airflow up and down regardless of the angle between the front surface (design surface) of the bezel and the vertical surface. Easy to operate.
Furthermore, according to the invention described in claim 2, together with the effect of the invention described in claim 1, the wind direction adjusting device described in claim 1 can be easily configured.
Furthermore, according to the invention described in claim 3, the operation of the wind direction adjusting device can be made smooth together with the effect of the invention described in claim 1 or 2.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 shows a front view of the wind direction adjusting device according to the embodiment of the present invention, FIG. 2 shows a plane inside the wind direction adjusting device of FIG. 1, and FIG. 3 shows a universal joint, a knob, etc. of the wind direction adjusting device of FIG. (A) shows a cross section of a universal joint, knob, etc., (b) shows a BB cross section of (a), FIG. 4 shows a cross section AA in FIG. 1, and FIG. 1 shows a part of the rear surface of the wind direction adjusting device 1 and FIG. 6 shows a state in which the wind direction adjusting device of FIG. 1 is disassembled.

  The wind direction adjusting apparatus 10 shown in FIG. 1 includes a retainer 20 and a bezel 30 as shown in FIG. A seal 22 is provided at the end of the retainer 20 on the air inlet 21 side, the bezel 30 is disposed so as to be connected to the front end of the retainer 20, and a blowout that blows out an airflow (an arrow 76 indicates the direction of the airflow). A mouth 31 is provided at the front end of the bezel 30. The wall portion 11 of the wind direction adjusting device 10 has a cylindrical shape, and the airflow passes through the inside of the wall portion 11.

As shown in FIG. 2, in the wind direction adjusting device 10, the plurality of back fins 40 that deflect the airflow are connected by a connecting member 44 so as to interlock with each other. As shown in FIG. Is formed.
Specifically, as illustrated in FIG. 6, a groove 11 aa is formed on the inner surface of the top plate portion 11 a of the wall portion 11, and a groove 11 ba is formed on the inner surface of the bottom plate portion 11 b of the wall portion 11. A plate-like first back fin support 42 is disposed in the groove 11aa, and a second back fin support 43 is disposed in the groove 11ba. A plurality of holes 42 a are formed in the first back fin support 42, and a plurality of holes 43 a are formed in the second back fin support 43. The rotation center shaft 41 of the longitudinal axis of the plurality of back fins 40 is rotatably supported by the hole 42a and the hole 43a.
Further, the pin portion 40 a of each back fin 40 is rotatably connected to the hole 44 a of the connecting member 44.

Further, as shown in FIG. 2, a front fin 50 that further deflects the airflow deflected by the back fin 40 is provided.
Specifically, a concave portion 11ca is formed on the inner surface of the front end portion of one side wall portion 11c of the wall portion 11, and a concave portion 11da is formed on the inner surface of the front end portion of the other side wall portion 11d of the wall portion 11. A plate-shaped first front fin support 53 is disposed in the recess 11ca, and a plate-shaped second front fin support 54 is disposed in the recess 11da. A hole 53 a is formed in the first front fin support 53, and a hole 54 a is formed in the second front fin support 54. The rotation center shaft 51 of the horizontal axis of the front fin 50 is rotatably supported by the holes 53a and 54a.

  As shown in FIG. 3, the first rod 61 is rotatably attached to the holder portion 52 of the front fin 50, and the one end portion 67 a of the second rod 67 is connected to the one end portion 61 a of the first rod 61 via the universal joint 66. As shown in FIG. 4, the support portion 12 that is connected and rotatably supports the second rod 67 is provided on the side wall 11.

Specifically, as shown in FIG. 6, the universal joint 66 includes a first joint 66a, a second joint 66b, and a block 66c. The first joint 66a is rotatably connected to the block 66c, and the second joint 66b is rotatably connected to the block 66c. The rotation center axis of the first joint 66a in the block 66c is the rotation center axis of the second joint 66b in the block 66c. It is orthogonal to the rotation center axis.
The first joint 66 a is connected to the first rod 61, and the second joint 66 b is connected to the second rod 67. For example, the first joint 66 a is formed integrally with the first rod 61, and the second joint 66 b is formed integrally with the second rod 67.

As shown in FIG. 4, an engaging portion 68 (see FIG. 5) is attached to the other end 67 b of the second rod 67, and the engaging portion 68 is engaged with the guide portion 45.
Specifically, the engaging portion 68 includes an arm 68a and a pin 68b. The base of the arm 68a is attached to the other end 67b of the second rod 67, and the pin 68b is attached to the tip of the arm 68a. The axial direction of the pin 68 b is formed in parallel with the axial direction of the second rod 67.

A knob 62 is attached to the other end 61 b of the first rod 61. The first rod 61 is rotated by the rotation of the knob 62 (in the direction of the arrow 62 a in FIG. 1), the second rod 67 is rotated through the universal joint 66 by the rotation of the first rod 61, and the rotation of the second rod 67 is rotated. The engaging portion 68 rotates (see FIG. 5), the connecting member 44 moves in the longitudinal direction of the connecting member 44 through the guide portion 45 by the rotation of the engaging portion 68, and the plurality of back fins move by the movement of the connecting member 44. 40 changes the angle at which the airflow is deflected.
On the other hand, the angle at which the front fin 50 directly deflects the airflow is changed by changing the angle of the knob 62 (versus the horizontal angle α).
Specifically, as shown in FIGS. 3 and 6, a cap 63 is attached to the tip (front end) of the knob 62.

Further, as shown in FIG. 6, a long hole 45 a is formed in the guide portion 45, and the pin 68 b of the engaging portion 68 is slidably engaged with the long hole 45 a of the guide portion 45.
Further, as shown in FIG. 4, the position 66d where the extension line of the first rod 61 and the extension line of the second rod 67 intersect in the universal joint 66 is when the angle at which the front fin 50 deflects the direction of the airflow is changed. It arrange | positions on the rotation center axis | shaft 51 (refer FIG. 2) when rotating.

  As shown in FIG. 1, a damper operation knob 71 is disposed on the front panel of the bezel 30. As shown in FIG. 6, a knob 71 is rotatably attached to the outer surface of one side wall portion 11 c of the wall portion 11 via a shim 72. The rotation of the knob 71 is transmitted to the damper plate 74 through the shaft 73. For this reason, when the knob 71 is rotated, the damper plate 74 can be rotated to adjust the flow rate of the airflow in the retainer 20. Note that the wire-like spring 75 functions to press the shaft of the damper plate 74 to prevent the shaft of the damper plate 74 from rattling.

The wind direction adjusting apparatus 10 having the above configuration operates as follows.
An engaging portion 68 attached to a second rod 67 connected via a universal joint 66 to one end portion 61a of the first rod 61 rotatably attached to the front fin 50 is “a plurality of back surfaces that deflect the airflow”. The fins 40 engage with guide portions 45 ”formed on the connecting members 44 that are connected so as to interlock with each other.
And the support part 12 supports the 2nd rod 67 rotatably, the 1st rod 61 rotates by rotation of the knob 62 attached to the other end part 61b of the 1st rod 61, and universal by the rotation of the 1st rod 61. The second rod 67 rotates through the joint 66, the engaging portion 68 rotates by the rotation of the second rod 67, the connecting member 44 moves through the guide portion 45 by the rotation of the engaging portion 68, and the connecting member. By moving 44, the angle at which the plurality of back fins 40 deflect the airflow is changed. Further, the angle at which the front fin 50 deflects the airflow can be changed by the knob 62.

  Furthermore, since the long hole 45a is formed in the guide part 45, and the engaging part 68 is slidably engaged with the long hole 45a of the guide part 45, the engaging part 68 reliably engages with the guide part 45, Further, the second rod 67 can be rotated by the rotation of the second rod 67. By this rotation, the engaging portion 68 slides while engaging with the elongated hole 45a of the guide portion 45, so that the connecting member 44 in which the guide portion 45 is formed. Can be moved.

  Further, a position 66d where the extension line of the first rod 61 and the extension line of the second rod 67 intersect in the universal joint 66 is on the rotation center axis 51 when the front fin 50 rotates when deflecting the direction of the airflow. Therefore, even if the front fin 50 rotates when deflecting the direction of the air flow, the position 66d of the universal joint 66 where the extension line of the first rod 61 and the extension line of the second rod 67 intersect is moved. do not do.

In the above embodiment, a groove may be formed in the guide portion 45 instead of the long hole 45a, and the engaging portion 68 may be engaged with the groove.
Alternatively, the guide portion corresponding to the guide portion 45 may be formed in a rail shape, and the distal end portion of the engaging portion corresponding to the engaging portion 68 may be engaged with and slide on the rail-shaped guide portion.

It is a front view of the wind direction adjustment apparatus which concerns on embodiment of this invention. It is a top view inside the wind direction adjusting device of FIG. The universal joint, knob, etc. of the wind direction adjusting apparatus of FIG. 2 are shown, (a) is a cross-sectional view of a universal joint, a knob, etc., (b) is BB sectional drawing of (a). It is AA sectional drawing of FIG. It is a fragmentary figure which shows a part of back surface of the wind direction adjustment apparatus of FIG. It is a perspective view which shows the state which decomposed | disassembled the wind direction adjustment apparatus of FIG. It is a front view of the conventional wind direction adjusting device. It is a top view inside the wind direction adjustment apparatus of FIG. It is CC sectional drawing of FIG. It is a perspective view which shows the state which decomposed | disassembled the wind direction adjustment apparatus of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Wind direction adjustment apparatus 11 Wall part 12 Support part 20 Retainer 30 Bezel 31 Outlet 40 Back fin 44 Connecting member 45 Guide part 45a Long hole 50 Front fin 51 Rotation center axis 61 1st rod 61a One end part 61b Other end part 62 Knob 66 Universal joint 66d Crossing position 67 Second rod 68 Engagement section 76 Arrow

Claims (3)

In the wind direction adjusting device provided with the air outlet that blows out the airflow,
The plurality of back fins that deflect the airflow are connected by a connecting member so as to interlock with each other,
A guide portion is formed on the connecting member,
A front fin for further deflecting the airflow deflected by the inner fin is disposed;
A first rod is rotatably attached to the front fin,
A second rod is connected to one end of the first rod through a universal joint;
A support portion is provided for rotatably supporting the second rod;
An engaging part is attached to the second rod,
The engaging portion engages with the guide portion;
A knob is attached to the other end of the first rod;
The rotation of the knob rotates the first rod, the rotation of the first rod rotates the second rod through the universal joint, the rotation of the second rod rotates the engaging portion, The connecting member moves through the guide portion by the rotation of the engaging portion,
By changing the angle at which the plurality of back fins deflect the airflow by moving the connecting member,
The wind direction adjusting device according to claim 1, wherein an angle at which the front fin deflects the airflow is changed by the knob. The wind direction adjusting device according to claim 1,
A slot or groove is formed in the guide part,
The wind direction adjusting device, wherein the engaging portion is slidably engaged with a long hole or a groove of the guide portion. The wind direction adjusting device according to claim 1 or 2,
The position where the extension line of the first rod and the extension line of the second rod intersect in the universal joint is arranged on the rotation center axis when the front fin rotates when changing the angle for deflecting the direction of the air flow. The wind direction adjusting device characterized by being made.

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