JP2009018634A - Register for air blow-off adjustment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a register for air blow-off adjustment that excellently adjusts an air blow-off direction by the operation of an operation knob attached to a fin while achieving an excellent aesthetic appearance of the fin and the operation knob attached to the fin. <P>SOLUTION: A front movable louver 3 and a rear movable louver 4 are arranged in an air passage. An operation knob 5 is slidably attached to a horizontal fin 31 of the front movable louver 3. A teeth part 56 provided on the rear face side of the operation knob 5 is engaged with the rear movable louver 4 located at its rear. The horizontal fin 31 of the front movable louver 3 and vertical fins 41 of the rear movable louver 4 are rotated by the operation of the operation knob 5 to adjust an air blow-off direction. A knob storage long hole 33 is penetratingly formed inside the horizontal fin 31 of the front movable louver 3. The operation knob 5 is slidably inserted into the knob storage long hole 33 along a longitudinal direction of the horizontal fin 31. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to an air blowing adjustment register used for ventilation and air conditioning air outlets of automobiles and the like, and in particular, a front movable louver and a rear movable louver disposed in a crossing direction in the direction perpendicular to each other. The present invention relates to an air blowing adjustment register that adjusts the direction of a movable louver using a single operation knob.

  Conventionally, as this type of air blowing adjustment register, a laterally movable louver and a longitudinally movable louver are arranged back and forth in a bezel that forms a ventilation path, and the fins at the center of the laterally movable louver located in front are An air blowing adjustment register in which an operation knob (grip) is movably attached is known from Patent Document 1 below.

In this air blow adjustment register, the operation knob is slidably fitted in the axial direction (lateral direction) on the fin at the center of the laterally movable louver, and vertically with the fin of the laterally movable louver. An engaging portion is formed at the tip of the operation knob, and the engaging portion is formed on the longitudinal axis of the fin of the longitudinally movable louver (the shaft displaced from the rotational axis of the fin). It is a structure to engage. When adjusting the wind direction to the left or right, slide the operation knob to the left or right on the fins of the laterally movable louver, change the direction of the subsequent vertically movable louver to the left and right, and adjust the wind direction to the upper or lower side. In this case, the direction of the wind is adjusted by rotating the operation knob up or down together with the fins of the laterally movable louver.
JP 2003-276428 A

  This air blowing adjustment register changes the direction of the wind to the left and right by rotating the fins of the laterally movable louver to the right or left during a left and right sliding operation with a single operation knob having an appropriate operation load. When rotating up and down, the fins of the vertically movable louver can be rotated up and down to change the wind direction up and down.

  However, the knob body is slidably fitted to the fin so as to surround the outer periphery of the fin, and a bead (projection) is slid on the upper and lower surfaces of the fin in order to slide the operation knob on the fin. A guide portion is provided in the direction to guide the sliding of the knob body. For this reason, the bead becomes relatively long, and when the operation knob is slid to the right end or the left end, the bead appears on the fin and the appearance is deteriorated. For this reason, the length of the bead on the fin is shortened so that it is not exposed when sliding to the end of the operation knob. However, if the bead is shortened, the operation knob is likely to be rattled and the operability is also deteriorated. There was a problem to do.

  In addition, the operation knob that is fitted to the outer periphery of the fin is inevitably enlarged in shape, and the fin stiffness is reduced when the fin thickness is reduced to reduce the size of the operation knob. There was a problem to make.

  The present invention has been made in view of the above points, and can improve the appearance of the fin and the operation knob attached to the fin, and can adjust the air blowing direction favorably by the operation of the operation knob attached to the fin. It is an object of the present invention to provide an air blowing adjustment register.

  In order to achieve the above object, the air blowing adjustment register of the present invention has a front movable louver and a rear movable louver disposed in a ventilation path, and an operation knob is slidably mounted on the fin of the front movable louver. The engaging portion provided on the back side of the operation knob engages the rear movable louver located at the rear, and the fins of the front movable louver and the rear movable louver are rotated by operating the operation knob. In the air blowing adjustment register for adjusting the air blowing direction, a knob housing long hole is formed through the fin of the front movable louver, and the operation knob is disposed in the knob housing long hole in the longitudinal direction of the fin. It is characterized by being inserted slidably along the direction.

  Here, the operation knob includes a knob main body positioned at a front portion of the knob housing long hole, and a knob rear portion that is fitted to the rear portion of the knob main body and has the engagement portion with the rear movable louver at the rear portion. And the protrusions can be formed along the sliding direction on the upper and lower surfaces of the knob body.

  In addition, a rubber-like elastic body is fitted into a recess provided on the upper surface of the knob body, and a part of the rubber-like elastic body is brought into contact with the upper surface in the knob housing long hole so that the operation knob is moved to the knob. It can be mounted in the accommodation slot.

  The air blow adjustment register having the above-described configuration has a knob housing long hole formed through the fin of the front movable louver, and the operation knob is slidably inserted along the longitudinal direction of the fin into the knob housing long hole. Therefore, even when the guide ridges are provided on the upper and lower surfaces of the operation knob, the ridges are hidden in the knob housing slot and do not appear on the appearance. For this reason, the protrusion as a guide can be formed sufficiently long, and the operation knob can be smoothly slid without rattling in the entire sliding range of the operation knob.

  Moreover, since the operation knob is structured to be inserted into the knob housing long hole, the operation knob can be reduced in size. Furthermore, since it becomes possible to attach the rubber-like elastic body to the recess provided on the upper surface of the knob body, when assembling the knob body and the knob rear part, the knob rear part is attached to the rear part of the knob body, the locking claw and the fitting hole, etc. It is only necessary to simply fit using the, so that the workability at the time of assembling becomes good and it can be easily assembled with a small number of man-hours.

  Furthermore, when using a rubber-like elastic body, the operation knob contacts the upper and lower surfaces in the knob housing long hole of the fin with the protrusions of the knob body, and the rubber-like elastic body is placed on the upper surface in the knob housing long hole. Therefore, when the operation knob is moved up and down, the fin can be smoothly rotated without rattling. In addition, even when the operation knob is slid along the fin, it can be smoothly moved in the knob housing long hole without causing rattling or strong interference, and the air blowing direction is good vertically and horizontally. It can be adjusted by feeling.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of an air blowing adjustment register, FIG. 2 is a perspective view, FIG. 3 is a transverse sectional view thereof, and FIG. 4 is a longitudinal sectional view thereof. In these drawings, reference numeral 1 denotes a bezel having an air outlet 11 formed on the front surface, and a fitting portion for connecting to a retainer 2 described later is provided on the inner side (back side) of the bezel 1, and the fitting portion. The retainer 2 is fitted to and connected to. Bearing portions for lateral fins are formed on the left and right side walls inside the air outlet 11 of the bezel 1.

  The retainer 2 is formed in a substantially rectangular duct shape, and an air passage 21 is formed therein. A bearing portion that pivotally supports the vertical fin 41 of the rear movable louver 4 is provided on the upper wall and the lower wall of the front edge portion of the retainer 2. Formed at intervals.

  The front movable louver 3 includes a single horizontal fin 31 and an operation knob 5 disposed in the knob accommodation slot 33 of the horizontal fin 31. The lateral fins 31 are formed by projecting pivot shafts 32 at both ends and providing a thick part on the left side of the intermediate part, and a knob accommodation slot 33 for accommodating the operation knob 5 inside the thick part. Is formed so as to penetrate from the front surface to the back surface. The knob accommodating long hole 33 accommodates the operation knob 5 having a flat shape therein, and is formed in a flat elongated hole shape so as to be slidable in the horizontal direction (longitudinal direction of the horizontal fin 31) within a predetermined range. . Further, as shown in the cross section of FIG. 3 and FIG. 4, a connecting rib 34 is formed in the inside of the knob housing long hole 33, closer to the rear than the center portion, and the upper surface inside the thick portion of the lateral fin 31. And the lower surface are connected. As shown in FIG. 3, the connecting rib 34 is formed in a horizontally long shape and functions as a guide when the operation knob 5 is slid left and right.

  As shown in FIG. 5, the rotation shafts 32 on both sides of the horizontal fin 31 are inserted into the bearing portions on both side walls of the bezel 1 and are rotatably supported. As described above, the horizontal fin 31 is provided with the knob accommodating long hole 33 penetrating through the thick portion provided on the left side of the intermediate portion. The operation knob 5 is slidably disposed in the knob housing slot 33 so as to be slidable right and left. In order to guide the sliding, the knob housing slot 33 has a connecting rib as described above. 34 is formed so as to longitudinally cut the long hole by connecting the inner upper surface and the lower surface.

  In the rear movable louver 4, a plurality of vertical fins 41 are vertically arranged in the retainer 2 so as to be rotatable at regular intervals, and their rotation shafts 42 are connected to each other by a link bar 45 via a crank 43. Configured. Rotating shafts 42 project from the upper and lower portions of the vertical fins 41, and the rotating shafts 42 are rotatably fitted to bearing portions provided on the upper wall and the lower wall in the retainer 2. . Further, as shown in FIG. 4, a crank 43 is connected to the rotating shaft below each vertical fin 41, and these cranks 43 are connected to each other by a link bar 45. This link mechanism is disposed below the lower wall of the retainer 2 and functions to change the directions of the vertical fins 41 of the rear movable louver 4 all at once.

  Further, as shown in FIGS. 3 and 4, the vertical fin 41 on the left side of the rear movable louver 4 is provided with a sector gear 44 protruding forward at the front thereof. The sector gear 44 is disposed to engage with a tooth portion 56 of the knob rear portion 52 of the operation knob 5 attached to the lateral fin 31 positioned in front of the sector gear 44, and in accordance with the operation of the operation knob 5 in the left-right direction, The turning force to the left and right is transmitted to the vertical fin 41.

  The operation knob 5 for adjusting the orientation of the front movable louver 3 and the rear movable louver 4 is inserted into the knob housing slot 33 of the lateral fin 31 of the front movable louver 3 so as to be slidable in the lateral direction. Installed. As shown in FIG. 5, the operation knob 5 includes a knob main body 51 disposed so as to protrude to the front, and a knob rear portion 52 which is assembled to the rear portion of the knob main body 51 and has a tooth portion 56 as the engagement portion. And a rubber-like elastic body 53 fitted in a concave portion 57 of a rectangular hole formed in the upper surface of the knob main body 51.

  The knob main body 51 is formed in a flat shape so as to be inserted into a knob accommodating long hole 33 provided in the thick portion of the lateral fin 31 and to be slidable left and right. Further, a rectangular hole-shaped recess 57 is formed on the upper surface, and a rubber-like elastic body 53 is fitted into the recess 57. The rubber-like elastic body 53 is formed of silicon rubber or the like having appropriate slidability and elasticity, and presses the upper surface of the knob housing long hole 33 in the thick part of the lateral fin 31 with an appropriate spring load, thereby operating the knob. 5 is configured to generate an appropriate sliding resistance during sliding.

  For this reason, as shown in FIG. 5, the rubber-like elastic body 53 is formed with ridges on both sides of the upper surface and the lower surface in the front-rear direction, and in particular, an appropriate operation load is applied to the lower ridge. As described above, a hole is formed in the ridge. The thickness of the rubber-like elastic body 53 in the vertical direction is set so that the convex line on the upper surface of the rubber-like elastic body 53 protrudes upward from the recess 57 when the concave portion 57 on the upper surface of the knob body 51 is fitted.

  As shown in FIGS. 5 and 6, two ridges (beads) 59 each serving as a guide are formed on the upper and lower surfaces of the knob main body 51 in the lateral direction. These ridges 59 are formed over the entire width of the knob main body 51 so that a good operation feeling without backlash can be obtained when the operation knob 5 is slid.

  On the other hand, a pair of insertion holes 58 are formed in the front-rear direction on the back side of the knob body 51 in order to insert the locking claws 54 of the knob rear portion 52. A locking portion to be locked is formed, and when the pair of locking claws 54 of the knob rear portion 52 are inserted into the fitting holes 58 on both sides on the back side of the knob body 51, the pair of locking claws 54 are inserted. It is structured to be locked to the locking portion at the back of the hole 58.

  As shown in FIGS. 3 and 5, the knob rear portion 52 is formed by projecting a pair of locking claws 54 on both sides of the base portion toward the front, and a tooth portion 56 on the back side of the base portion. It is formed so as to be able to mesh with 41 sector gears 44. As shown in FIG. 3, when the knob body 51 and the knob rear portion 52 are assembled, the coupling ribs 34 of the lateral fins 31 are assembled so as to be sandwiched from the front and rear.

  The knob main body 51 and the knob rear portion 52 having such a structure have a knob housing long hole 33 provided in the thick portion of the lateral fin 31 in a state where the rubber-like elastic body 53 is fitted in the concave portion 57 on the upper surface of the knob main body 51. It is assembled to fit in from the front and back. At this time, the locking claws 54, 54 of the knob rear portion 52 are inserted into the insertion holes 58, 58 on the back side of the knob body 51, and the tips of the locking claws 54, 54 on both sides are inserted into the insertion holes 58, 58 of the knob body 51. The operation knob 5 is securely assembled by being locked to the inner locking portion.

  As shown in FIGS. 3 and 6, the knob main body 51 and the knob rear portion 52 are arranged so as to sandwich the front and rear of the connecting rib 34 in the knob accommodating long hole 33 which is a part of the lateral fin 31 by assembling the operation knob 5. The rubber-like elastic body 53 on the upper surface of the knob body 51 presses the upper surface of the knob housing long hole 33, and the upper and lower ridges 59 of the knob body 51 are formed on the upper and lower surfaces of the knob housing long hole 33. Contact. For this reason, the operation knob 5 is attached to the horizontal fin 31 in a state in which the operation knob 5 is smoothly slid without play with an appropriate operation load in the left-right longitudinal direction.

  The air blowing adjustment register having the above-described configuration is attached to an instrument panel or a dashboard portion in an automobile so that the end of the retainer 2 is connected to a ventilation duct (not shown). The air sent from the ventilation duct is blown out from the ventilation path 21 in the retainer 2 through the air outlet 11.

  When adjusting the air blowing direction up or down, the operation knob 5 of the front movable louver 3 is turned up or down for adjustment. When the operation knob 5 is held and rotated up or down, as shown in FIG. 2, the horizontal fin 31 on which the operation knob 5 is mounted rotates up and down around the rotation shaft 32, and the horizontal fin 31. The direction of the vertical direction changes with the rotation shaft 32 as an axis, and the air blowing direction is adjusted up and down.

  On the other hand, when adjusting the air blowing direction to the left and right, the operation knob 5 is adjusted to the left or right. When the operation knob 5 is moved to the left or right with the operation knob 5, the operation knob 5 slides in the knob accommodation slot 33 of the lateral fin 31 and moves in the horizontal direction (left and right lateral direction). Accordingly, as shown in FIG. 3, the teeth 56 of the knob rear portion 52 of the operation knob 5 rotate through the sector gear 44, and the vertical fin 41 of the rear movable louver 4 rotates left and right around the rotation shaft 42 as a fulcrum. Move. At this time, the turning force is transmitted to the other vertical fins 41 via the crank 43 and the link bar 45, and each vertical fin 41 rotates about its rotation shaft 42 as a fulcrum. The direction changes around the rotation shaft 42, and the air blowing direction is adjusted to the left and right.

  As described above, when the operation knob 5 is operated in the horizontal direction, the protrusion 59 of the knob body 51 is formed on the upper and lower surfaces of the knob accommodation hole 33 with respect to the knob accommodation hole 33 of the lateral fin 31. Since the rubber-like elastic body 53 is pressed against the upper surface of the knob housing long hole 33 and is slidably held, the horizontal fin 31 can be rotated without rattling when the operation knob 5 is moved up and down. In addition, even when the operation knob 5 is moved to the left or right, the inside of the knob housing long hole 33 can be smoothly moved without causing rattling or strong interference, and the air blowing direction is good vertically and horizontally. It can be adjusted with a good feeling.

  Further, since the protrusions 59 provided as guides on the upper and lower surfaces of the knob body 51 of the operation knob 5 are hidden inside the knob housing long hole 33, even if they are formed over the entire width of the knob body 51, the appearance is improved. Never appear. For this reason, deterioration of the appearance of the operation knob 5 can be prevented while ensuring good operability of the operation knob. Further, since the operation knob 5 is inserted into the knob housing long hole 33, the operation knob 5 can be reduced in size as required. Further, when the knob body 51 and the knob rear part 52 are assembled, the rubber-like elastic body 53 is fitted into the recess 57 on the upper surface of the knob body 51, so that the locking claw 54 is simply fitted into the fitting hole 58 of the knob body 51. Thus, the knob rear portion 52 may be fitted into the rear portion of the knob main body 51, the workability at the time of assembly is good, and the assembly can be easily performed with less man-hours.

  In the above embodiment, one horizontal fin 31 is provided in the front movable louver 3, but two or more horizontal fins are arranged side by side in the horizontal direction, and a knob accommodation slot is formed in one of the horizontal fins. The operation knob can be slidably mounted in the knob housing slot.

  In the above, the front movable louver 3 is provided with the horizontal fins 31 and the rear movable louver 4 is provided with the vertical fins 41. However, they are rotated 90 degrees, the front movable louver is provided with the vertical fins, and the rear movable louver 4 is provided. It can also comprise so that a horizontal fin may be provided in a louver. In this case, the operation knob is mounted on the vertical fin and slides in the vertical direction.

  In the above, the knob rear portion is provided on the back side of the operation knob and meshed with the sector gear provided on the vertical fin behind the operation knob, but instead of meshing the gear, the operation knob is engaged by engaging the shaft and the engagement portion. A structure in which the rotational force is transmitted to the vertical fins can also be used.

It is a front view of the register for air blowing adjustment which shows one Embodiment of this invention. It is a perspective view of the register. FIG. 3 is a sectional view taken along line III-III in FIG. 1. It is IV-IV sectional drawing of FIG. It is a disassembled perspective view of a register | resistor. It is an expanded sectional view of an operation knob and a horizontal fin.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bezel 2 Retainer 3 Front movable louver 4 Rear movable louver 5 Operation knob 11 Air outlet 21 Ventilation path 31 Horizontal fin 33 Knob accommodation long hole 41 Vertical fin 51 Knob main body 52 Knob rear part 53 Rubber-like elastic body 54 Locking claw 56 Tooth Part 57 recessed part 58 fitting hole 59 ridge

Claims (3)

A front movable louver and a rear movable louver are disposed in the ventilation path, and an operation knob is slidably mounted on the fin of the front movable louver, and an engaging portion provided on the back side of the operation knob is positioned rearward. In the air blowing adjustment register that engages with the rear movable louver and rotates each fin of the front movable louver and the rear movable louver by operating the operation knob to adjust the air blowing direction.
A knob housing long hole is formed through the fin of the front movable louver, and the operation knob is slidably inserted along the longitudinal direction of the fin into the knob housing long hole. Air blow adjustment register. The operation knob includes a knob main body positioned at a front portion of the knob housing slot, and a knob rear portion that is fitted to a rear portion of the knob main body and has the engagement portion with the rear movable louver at a rear portion, 2. The air blowing adjustment register according to claim 1, wherein ridges are formed along the sliding direction on the upper and lower surfaces of the knob body. A rubber-like elastic body is fitted into a concave portion provided on the upper surface of the knob body, and a part of the rubber-like elastic body is brought into contact with the upper surface in the knob housing long hole so that the operation knob has the knob housing length. The air blowing adjustment register according to claim 1, wherein the air blowing adjustment register is mounted in the hole.

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