JP2013226876A - Damper device for register - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a damper device for a register that can reduce pressure loss during air blowing caused by pivot parts pivotally supporting a damper plate.SOLUTION: A first pivot part 11 is configured such that a pair of locking claws 13, 14 is protrudingly provided at the end of a damper plate 10 and each of fitting support parts 15 fitted into a shaft hole 2e on the retainer 2 side is provided on the intermediate outer periphery of each of the locking claws 13, 14. A second pivot part 12 is provided with a small-diameter fitting support part 16 fitted into the other shaft hole 2f on the retainer 2 side. A fitting shaft 20 having locking fitting holes 21 is fitted with the pair of locking claws 13, 14 of the first pivot part 11 from the outside of a retainer 2. The fitting shaft 20 is provided with the locking fitting holes 21 having locking openings 22, 23 locked with the pair of locking claws 13, 14. Contacting and holding parts 26, 27 are respectively provided inside the locking fitting holes 21 of the fitting shaft 20 in order to hold both side ends of the locking claws 13, 14 in contact therewith.

Description

  The present invention relates to a damper device for a resistor used for ventilation or air-conditioning air blowing in an automobile interior and the like, and more particularly, to a resistor damper device that can reduce pressure loss during blowing caused by a shaft support portion of a damper plate.

  As an air conditioning register for automobiles, the front movable louver and the rear movable louver are arranged with their fins orthogonal to each other in front and back in the bezel to adjust the wind direction etc., and the upstream part of the ventilation path provided with the movable louver In addition, a register is used in which a damper plate for stopping air blowing or adjusting the air volume is openable and closable.

  2. Description of the Related Art Conventionally, a damper device used in this type of register for stopping air blowing or adjusting air volume has a structure described in Patent Document 1 below. In this damper device, both end portions of the damper plate are pivotally supported by a rotating shaft in the ventilation path, and a dial knob for manual operation is pivotally supported on the front side portion of the retainer or bezel. The lever provided on the damper plate is linked to the lever plate on the rotating shaft of the damper plate via a pin and a long hole, and the dial knob operating force is transmitted to the damper plate via the link mechanism. Move.

Utility Model Registration No. 3144602

  The damper plate of the damper device is rotatably supported around the rotation axis along the central longitudinal direction of the damper plate in the air passage of the retainer, but the axial support form protrudes from one end of the damper plate. The shaft portion thus fitted is fitted into a shaft hole provided in the side wall of the retainer, and the pivot shaft is fitted from the outside of the retainer into the fitting portion provided at the other end of the damper plate.

  That is, a relatively large insertion portion is provided at the other end of the damper plate, and from the outside of the large-diameter hole provided at the corresponding position on the side wall of the retainer, the large-diameter rotating shaft is inserted into the large-diameter hole, While the claw portion protruding from the inside of the rotation shaft is inserted into the insertion portion of the damper plate, the rotation shaft is coupled to the damper plate, so that the damper plate has a shaft portion at one end and a rotation shaft at the other end. Is pivotally supported around the axis.

  By the way, in recent years, a register mounted on an instrument panel or the like of an automobile is adapted to the shape of the front surface of the instrument panel, and in order to improve the design, the shape of the air outlet is, for example, a horizontally long and elongated rectangular shape. In such a register having a horizontally long and slender air outlet, the shape of the retainer that forms the duct portion of the ventilation path is also a horizontally long and narrow rectangular shape. This constitutes a so-called thin register.

Even in a thin register, a damper plate is disposed upstream in the ventilation path, and when the damper plate is opened, air is blown to the air outlet on the front of the register through the ventilation path. Since the cross section is a thin rectangle parallel to the damper plate in the open state, the space cross-sectional area of the ventilation path in the retainer becomes large when the insertion portion of the damper plate or the large diameter portion of the rotating shaft becomes large. It decreases, and the pressure loss at the time of ventilation tends to increase.

In other words, the conventional damper plate has a structure in which the rotation shaft is fitted into the end portion of the plate from the outside of the retainer, and the rotation shaft has two locking claws protruding from the center portion, and Four insertion shaft portions are provided at four locations around the periphery, and the engaging claws and the insertion shaft portions are inserted into insertion portions provided at end portions of the damper plate to support the damper plate. When assembling the damper plate in a rotatable manner, the rotation shaft is inserted into the shaft hole of the side wall of the retainer from the outside, the two locking claws and the four insertion shaft portions of the rotation shaft are inserted into the insertion portion of the damper plate. And the damper plate is pivotally supported in the retainer.

  However, since the insertion portion on the damper plate side and the rotation shaft that is inserted into the insertion portion from the outside through the shaft hole are arranged in the ventilation path as a relatively large diameter portion as described above, In particular, in a thin register, the large-diameter shaft portion greatly reduces the space cross-sectional area of the ventilation path, and pressure loss during blowing is likely to occur at the periphery of the damper plate.

  The present invention has been made in view of the above-described points, and an object of the present invention is to provide a resistor damper device capable of reducing pressure loss at the time of blowing due to a shaft support portion that supports a damper plate.

In the register damper device of the present invention that achieves the above object, a damper plate is rotatably supported by a first shaft support portion at one end and a second shaft support portion at the other end in an air passage in the retainer. In the damper device, a pair of locking claws projecting from the end of the damper plate on the first shaft support portion, and fitted into the shaft hole on the retainer side at the intermediate outer peripheral portion of the locking claw A joint support is provided,
The second shaft support portion is provided with a small-diameter fitting support portion that fits into the other shaft hole on the retainer side,
A fitting shaft having a locking fitting hole is fitted to the pair of locking claws of the first shaft support portion from the outside of the retainer, and the pair of locking claws are engaged with the fitting shaft. A locking opening to be stopped is provided,
When the pair of locking claws are inserted into the locking fitting holes and locked in the locking openings in the locking fitting holes of the fitting shaft, both side ends of the locking claws An abutment holding portion for abutting and holding the portion is provided.

  According to this invention, the fitting shaft is fitted to the locking claw of the first shaft support portion outside the retainer, and the second shaft support portion is fitted with the small-diameter fitting support portion in the shaft hole of the retainer. The portions of the first and second shaft support portions of the damper plate located inside can be extremely miniaturized, and the reduction of the space cross-sectional area of the ventilation path due to the increase in the size of the shaft support portion of the damper plate is prevented. The pressure loss at the time of ventilation in the peripheral part of a damper plate can be reduced. Further, it is possible to reduce wind noise caused by the shaft support portion of the damper plate and reduce noise.

  Further, when the first shaft support portion of the damper plate is inserted into the shaft hole of the retainer, the fitting support portion at the middle portion of the locking claw comes into contact with the edge portion of the shaft hole, and the locking fitting hole of the fitting shaft is formed. When fitted to the outer periphery of the locking claw from the outside of the retainer, the pair of locking claws are locked to the locking opening of the locking fitting hole of the fitting shaft, and the pair of clamping pieces are Since it fits between a pair of latching claws and both sides of the pair of latching claws abut against the abutment holding portion in the latching fitting hole of the fitting shaft, the axial direction of the axially supported damper plate Further, it is possible to prevent the rattling in the radial direction and to pivotally support the damper plate so as to be appropriately rotatable. Further, it is possible to easily manage the prevention of rattling of the shaft support portion of the damper plate due to variations in the dimensions of the respective parts during manufacture.

  In addition, since the small-diameter fitting support portion of the second shaft support portion is fitted to the other shaft hole on the retainer side only by the thickness of the retainer, when the damper plate is installed in the retainer, the locking claw of the first shaft support portion With the shaft inserted into the shaft hole of the retainer, the second shaft support portion can be easily fitted into the shaft hole from the inside of the retainer.

  Here, a chevron-shaped contact portion is provided in the engaging fitting hole of the engaging shaft, and when the pair of engaging claws of the first shaft support portion are fitted into the engaging fitting hole, the chevron contact It is preferable that the acute angle front end portion of the portion is configured to fit into and contact the front end portions of the pair of locking claws.

  According to this, it is possible to further prevent backlash in the axial direction and the radial direction of the damper plate, and to pivotally support the damper plate so as to be appropriately rotatable.

  Further, a pair of clamping pieces project from the end of the fitting shaft, the contact holding portion is formed inside the clamping piece, and the pair of locking claws are inserted into the locking fitting holes. In this case, it is preferable that the sandwiching piece abuts the abutment holding portion to sandwich the locking claw from both sides. According to this, when the pair of locking claws are inserted into the locking fitting holes of the fitting shaft, the protruding pair of holding pieces are in a state of holding the locking claws by the contact holding portion. It is possible to further prevent backlash in the axial direction and radial direction of the damper plate due to dimensional tolerances of parts at the time of manufacture, and to support the damper plate so as to be able to rotate appropriately.

  According to the damper device of the register of the present invention, the diameter of the first shaft support portion and the second shaft support portion at the end of the damper plate can be reduced, and the pressure loss at the time of blowing due to the shaft support portion of the damper plate can be reduced. .

It is a perspective view of a register showing one embodiment of the present invention. It is a front view of the register. It is a right view of the register. It is a top view of the register. FIG. 5 is a VV cross-sectional view of FIG. 2. FIG. 6 is a sectional view taken along the line VI-VI in FIG. It is VII-VII sectional drawing of FIG. It is a disassembled perspective view of a register | resistor. It is the top view (a) of a damper plate with a fitting shaft, and the expanded sectional view (b) of the fitting shaft. It is a bottom view of a damper plate and a fitting shaft. It is a right view of a damper plate and a fitting shaft. It is a top view of a damper plate. It is a front view of a damper plate. It is a front view of a fitting shaft. It is a left view of a fitting shaft. It is a rear view of a fitting shaft.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1-8, the register | resistor of this embodiment is a register | resistor which is attached to the instrument panel etc. of the interior of a motor vehicle, and is used as an air blowing part of an air conditioner, and provides the ventilation path 7 inside. A bezel 1 having an air outlet 5 is fitted to the front portion of the duct-shaped retainer 2.

  As shown in FIG. 2, the front shape of the bezel 1 is formed in a rectangular shape close to a square, but as shown in FIG. 7, the cross-sectional shape of the ventilation path 7 of the retainer 2 is a horizontally long rectangular shape. In view of the shape of the retainer 2, a thin register is formed.

  A front movable louver 3 in which a plurality of horizontal fins 31 are arranged side by side is disposed in the ventilation path 7 of the retainer 2, and a plurality of vertical fins 41 orthogonal to the front movable louver 3 are arranged in parallel on the upstream side. A movable louver 4 is disposed, and a damper plate 10 is disposed upstream of the rear movable louver 4. In this specification, “front” and “rear” refer to the front side of the register as front, the rear side as rear, and the downstream side in the ventilation path 7 as front and the upstream side as rear.

  As shown in FIGS. 5 and 8, fitting portions 1 b are provided on both sides of the upper and lower rear portions of the bezel 1, and fitting portions 2 a are provided on both upper and lower sides corresponding to the front edge of the retainer 2. The bezel 1 is fitted to the front portion of the retainer 2 by fitting the rear fitting portion 1 b into the fitting portion 2 a of the front edge portion of the retainer 2. Further, inside the left and right side portions of the front edge portion of the retainer 2 are provided insertion portions for fitting the bearing members 34 of the front movable louver 3, and on the outside of the left and right sides of the front edge portion of the retainer 2, A fitting portion 2 c for fitting the bearing member 44 of the rear movable louver 4 is provided.

  When the bezel 1 is fitted to the front edge portion of the retainer 2, the bezel 1 is fitted to the front portion of the retainer 2 with the rear movable louver 4 and the front movable louver 3 attached to the front portion of the retainer 2. Installed. The fitting portion 1b at the rear portion of the bezel 1 and the fitting portion 2a at the front portion of the retainer 2 are provided with a locking portion and a locking claw that is locked to the locking portion, and the bezel 1 is a front portion of the retainer 2. Fits in place.

  As shown in FIG. 8, an air outlet 5 is provided at the front of the bezel 1, and an opening 1 a for a dial knob on the right side of the air outlet 5 is provided. Inside the opening 1a, a dial knob 6 for a damper device is disposed so as to be exposed. The dial knob 6 is fitted into a support shaft 2d having a boss portion 6c projecting from the right front edge of the retainer 2, It is pivotally supported. As shown in FIG. 8, an operation load applying member 6d such as a rubber-like elastic body is fitted to the boss portion 6c of the dial knob 6, and the side shaft of the retainer 2 is inserted into the shaft hole of the operation load applying member 6d. 2d is inserted and the dial knob 6 is pivotally supported.

  As shown in FIGS. 1 and 3, the dial knob 6 that opens and closes the ventilation path 7 by rotating the damper plate 10 has a knob body formed in a wheel shape. An operation portion for operation with a finger or the like is formed, an arm portion 6a is provided at the rear of the knob body, and an engagement pin 6b is provided in the vicinity of the tip of the arm portion 6a in parallel with the support shaft 2d. . As shown in FIG. 3, the engagement pin 6 b of the arm portion 6 a engages with the long hole 29 a of the lever portion 29 of the fitting shaft 20 of the damper plate 10.

  As shown in FIG. 3, the side wall of the retainer 2 in the vicinity of the dial knob 6 is provided with an arc-shaped limiting portion 19 that limits the operation rotation range of the dial knob 6. While setting to a predetermined angle range (for example, about 60 °) and rotating the dial knob 6 to the counterclockwise end of FIG. 3, the damper plate 10 is stopped at the closed position. Further, when the dial knob 6 is rotated upward from the closed position, the restricting portion 19 stops the damper plate 10 at the open position. The opening / closing operation of the damper plate 10 corresponding to the turning operation of the dial knob 6 is performed by the link between the arm portion 6 a and the lever portion 29 of the fitting shaft 20 of the damper plate 10.

  As shown in FIGS. 5, 6, and 8, the front movable louver 3 disposed inside the air outlet 5 has five horizontal fins 31 arranged in the horizontal direction at regular intervals in the vertical direction, Each horizontal fin 31 is pivotally supported so as to be pivotable up and down. Bearing members 34, 34 are assembled to the support shaft 32 projecting from the left and right end portions of each lateral fin 31 so as to support them, and are attached to both side portions of the front movable louver 3. The bearing members 34, 34 that pivotally support the horizontal fins 31 are fitted inside the both sides of the front part of the retainer 2, and the horizontal fins 31 of the front movable louver 3 rotate up and down at the front part in the retainer 2. It is pivotally supported.

  As shown in FIGS. 6 and 8, a connecting shaft 35 protrudes at an eccentric position of the right end portion of each horizontal fin 31, and one link bar 36 is connected to these connecting shafts 35. Each horizontal fin 31 operates so as to rotate in the same direction in conjunction with each other. Further, the operation knob 8 is externally fitted to the horizontal fin 31 at the center position of the front movable louver 3 so as to be slidable in the horizontal direction, and a leg-like linking portion 8d provided on the rear body 8b of the operation knob 8 is provided at the rear. It engages with an engaging portion 43 of the vertical fin 41 located at the center of the movable louver 4. In addition, a connection part and an engaging part can also be comprised from a sector gear and the rack meshing with it.

  As shown in FIG. 8, the operation knob 8 is configured by providing a slit-like insertion portion through which the horizontal fin 31 is inserted in the knob body 8 a, and the operation load applying material 8 c is provided in the knob body 8 a. It arrange | positions so that the edge part of this may be contacted. When attaching the operation knob 8 to the horizontal fin 31, the rear main body 8b is fitted and attached after the horizontal fin 31 is inserted into the knob main body 8a. At this time, the linking portion 8 d that protrudes behind the rear main body 8 b can engage with the engaging portion 43 of the vertical fin 41 of the rear movable louver 4.

  Thereby, when the operation knob 8 is slid in the horizontal direction, the linkage portion 8d can rotate the vertical fins 41 of the rear movable louver 4 to the left and right to adjust the horizontal direction. When the horizontal fins 31 of the front movable louver 3 are rotated up and down, the operation is performed by holding the operation knob 8 fitted on the horizontal fin 31.

  As shown in FIGS. 5, 6, and 8, the rear movable louver 4 is disposed on the upstream side of the front movable louver 3 in the ventilation path 7 of the retainer 2, and the five vertical fins 41 are vertically spaced at a predetermined interval. Each of the shaft holes of the bearing members 44 and 44 disposed in the upper and lower portions is fitted to the support shaft 42 that is vertically arranged in parallel and protrudes from the upper and lower end portions of the vertical fin 41. The vertical fins 41 of the rear movable louver 4 are pivotally supported by the bearing members 44 and 44 so as to be pivotable left and right at a predetermined interval from side to side. The upper and lower bearing members 44 are horizontally fitted at predetermined positions inside the upper and lower portions of the front edge portion of the retainer 2.

  Similarly to the front movable louver 3, each vertical fin 41 of the rear movable louver 4 is provided with a connecting shaft 45 at the upper end, and one link bar 46 is connected to the connecting shaft 45, and each vertical fin 41 is synchronized. And rotate in the same direction. Further, the vertical fin 41 at the center is provided with an engaging portion 43, and the engaging portion 43 can be engaged with the linkage portion 8 d of the operation knob 8. Thus, as described above, when the operation knob 8 is slid in the horizontal direction, the linkage portion 8d is engaged with the engagement portion 43, and the vertical fin 41 of the rear movable louver 4 is rotated left and right. The wind direction can be adjusted in the horizontal direction.

  As shown in FIG. 2, the front movable louver 3 and the rear movable louver 4 arranged in the ventilation path 7 of the retainer 2 in the front and rear sides are arranged in the air passage 7 as shown in FIG. The vertical fins 41 are arranged in the orthogonal direction to form cross fins, and the wind direction can be adjusted vertically and horizontally.

  As shown in FIGS. 5, 6, and 8, on the upstream side of the rear movable louver 4 in the ventilation path 7 of the retainer 2, a damper plate 10 of the damper device is arranged so that the ventilation path 7 can be opened and closed and the air volume can be adjusted. Established. The damper plate 10 is formed in a horizontally long rectangular shape, and is pivotally supported by the first shaft support portion 11 and the second shaft support portion 12 with the central axis of the central horizontal axis as the central axis. A sponge sheet-like sealing material 10a is fitted on the outer periphery of the damper plate 10 so that the ventilation path 7 can be sealed when closed.

  As shown in FIGS. 9 to 13, the damper plate 10 is provided with a first shaft support portion 11 at the right end portion thereof, a second shaft support portion 12 at the left end portion thereof, and the first shaft support portion 11 and the second shaft portion. The damper plate 10 is rotatably supported by the support portion 12. A pair of locking claws 13 and 14 projecting from the end portion of the damper plate 10 are provided on the first shaft support portion 11 so as to be elastically deformable inside through a gap at the axial center position. The pair of locking claws 13, 14 can be inserted into a shaft hole 2 e formed in the retainer 2, and a substantially bullet-shaped shaft support portion is provided on a plate located in the ventilation path 7. The shaft support portion is formed with a small diameter and a small size on both the left and right sides.

  Further, a fitting support portion 15 that fits in the shaft hole 2e of the retainer 2 is provided as a small diameter portion with a step on the intermediate outer peripheral portion of the pair of locking claws 13 and 14, When 14 is inserted into the shaft hole 2e, the fitting support portion 15 is rotatably supported by the edge portion of the shaft hole 2e. At the time of mounting, the fitting shaft 20 having the lever portion 29 is fitted from the outside to the locking claws 13 and 14 that protrude to the outside of the retainer 2.

  As shown in FIG. 12, the second shaft support portion 12 at the left end portion of the damper plate 10 is formed by providing a small diameter fitting support portion 12a that fits into the shaft hole 2f of the retainer 2, and the small diameter fitting support portion 12a. The subsequent plate-side shaft support base, like the first shaft support 11, has a substantially bullet-like shape and is small. The small-diameter fitting support portion 12a protruding from the left end portion of the damper plate 10 is formed so as to have a width as short as the thickness of the side wall of the retainer 2, so that it is easy to fit the damper plate 10 inside the retainer 2. The small diameter fitting support portion 12a can be fitted into the shaft hole 2f.

  As shown in FIG. 7, when the damper plate 10 is mounted inside the retainer 2, the fitting shaft 20 provided with the lever portion 29 is provided on the outside of the locking claws 13 and 14 of the first shaft support portion 11. It is inserted. As shown in FIG. 7 and the like, the fitting shaft 20 is formed by providing a locking fitting hole 21 on the inner side and integrally forming a base portion of the lever portion 29 on the outer side, and the locking fitting hole 21 is formed on the inner side. The pair of locking claws 13 and 14 can be inserted.

  When the pair of locking claws 13, 14 are fitted into the locking fitting holes 21, the locking openings 22, 23 to which the locking claws 13, 14 are locked are formed in the locking fitting holes 21. An opening is formed in the outer peripheral portion, that is, the circumferential wall portion of the fitting shaft 20. Further, as shown in FIG. 7, a chevron-shaped abutting portion 28 is provided in the locking fitting hole 21 of the fitting shaft 20 so that the axial direction is substantially directed to the axial center position. When the pair of locking claws 13, 14 are fitted, the chevron-shaped contact portion 28 enters between the locking claws 13 and the locking claws 14 and comes into contact with the inner side surface (rear surface) of the locking claws 13, 14. It has become. Thereby, the latching state of the latching claws 13 and 14 is maintained by the mountain-shaped contact portion 28, and the fitting shaft 20 can be fitted to the latching claws 13 and 14 without rattling.

  Further, as shown in FIGS. 14 to 16, the fitting shaft 20 is formed with a pair of clamping pieces 24 and 25 projecting in the axial direction on the inner side thereof. The pair of clamping pieces 24 and 25 are arranged between the locking claws 13 and the locking claws 14 when the pair of locking claws 13 and 14 are fitted into the locking fitting holes 21 of the fitting shaft 20 from the outside. Further, as shown in FIG. 9b, contact holding portions 26 and 27 that contact the both side surfaces of the locking claws 13 and 14 are provided at the base portions of the pair of holding pieces 24 and 25, respectively. It is formed.

  Thereby, when the fitting shaft 20 is fitted into the locking claws 13 and 14 from the outside, the pair of clamping pieces 24 and 25 enter between the locking claws 13 and 14, and the contact holding portions 26 and 26 27 is brought into contact with both side portions of the locking claws 13 and 14 to hold them. The abutment holding portions 26 and 27 can be provided in the entire length direction of the pair of holding pieces 24 and 25, but are provided only in the base portion in the engagement fitting hole 21 of the holding pieces 24 and 25. You can also.

  As a result, when the engagement fitting hole 21 of the fitting shaft 20 is fitted from the outside to the pair of engagement claws 13 and 14 that are inserted into the shaft hole 2e of the retainer 2 and protrude outwardly, FIG. As in 9b, the abutment holding portions 26 and 27 are abutted and held on both sides of the locking claws 13 and 14, respectively.

  When mounting the damper plate 10 in the ventilation path 7 at the time of manufacture, first, the retaining claws 13 and 14 of the first shaft support portion 11 are inserted into the ventilation path 7 while the damper plate 10 to which the sealing material 10a is attached is inserted into the retainer. 2 is inserted into the right shaft hole 2e, and in this state, the second shaft support portion 12 having a very short protruding length is inserted inside the retainer 2, and the small-diameter fitting support portion 12a is inserted into the left shaft hole 2f. It is installed in the ventilation path 7. Thereby, in the retainer 2, the damper plate 10 has the fitting support portion 15 in the middle portion of the locking claws 13 and 14 fitted into the shaft hole 2e, and the small-diameter fitting support portion 12a is fitted in the opposite shaft hole 2f. It is fitted and supported rotatably.

  Next, the pair of locking claws 13, 14 protruding outward from the retainer 2 are fitted so as to cover the locking fitting holes 21 of the fitting shaft 20. At this time, as shown in FIGS. 9 to 11, the locking claws 13 and 14 are fitted into the locking fitting holes 21 of the fitting shaft 20, and the pair of clamping pieces 24 and 25 on the fitting shaft 20 side. Enters the predetermined position between the locking claw 13 and the locking claw 14, and the contact holding portions 26 and 27 come into contact with and hold both side portions of the locking claw 13 and 14.

  As a result, the fitting shaft 20 having the lever portion 29 is fitted at an appropriate angle with respect to the damper plate 10 only by fitting the fitting shaft 20 from the outside at a predetermined angular position, and dimensional tolerances are provided on the parts. Even when there is a variation in the inner dimensions, it can be fitted to the first shaft support portion 11 of the damper plate 10 without rattling.

  Further, as shown in FIG. 7, the first shaft support portion 11 of the damper plate 10 has a small-diameter fitting support portion 15 supported so as to be rotatable in the shaft hole 2 e, and between the tip end portion of the fitting shaft 20. Thus, the retainer 2 is held so as to sandwich the edge portion of the shaft hole 2e, and is supported so as to be able to rotate without play with an appropriate rotation load.

  As shown in FIGS. 1 and 8, the spring metal wire 9 presses the outer peripheral portion of the fitting shaft 20 between the two metal wire support portions 9 a provided in the vicinity of the shaft hole 2 e of the retainer 2. By being stretched and pressed by the spring metal wire 9, the fitting shaft 20 is prevented from rattling and an appropriate rotational load (operation load) is applied to the first shaft support portion 11.

  Next, the operation of the register having the above-described configuration will be described. The register is mounted on, for example, an instrument panel portion in a vehicle, and the end of the retainer 2 is connected to a ventilation duct (not shown). Air sent from the ventilation duct passes through the damper plate 10, the rear movable louver 4, and the front movable louver 3 in the ventilation path 7 of the retainer 2, and is blown out through the air outlet 5.

  When adjusting the air blowing direction to the left or right, the operation knob 8 of the front movable louver 3 is rotated up or down for adjustment. When the operation knob 8 is held and rotated up or down, as shown in FIG. 5, the horizontal fin 31 to which the operation knob 8 is attached rotates up and down around the support shaft 32. The direction in the left-right direction changes around the support shaft 32, and the air blowing direction is adjusted in the left-right direction.

  On the other hand, when adjusting the air blowing direction to the left and right, the operation knob 8 is slid to the left or right for adjustment. When the operation knob 8 is held and slid left or right, the rear linkage portion 8d of the operation knob 8 is engaged with the engagement portion 43 of the vertical fin 41 as shown in FIG. The vertical fin 41 rotates to the left or right, and the air blowing direction is adjusted to the left and right.

  In order to stop blowing or adjust the air volume, the dial knob 6 located at the right part of the bezel 1 is pushed with a finger or the like to rotate downward or upward, and the damper plate 10 is opened and closed as shown in FIG. At this time, the dial knob 6 rotates about the support shaft 2d, and the rotation is transmitted from the arm portion 6a to the lever portion 29 via the engagement pin 6b, and the rotation operation force transmitted to the lever portion 29 is transmitted. Is transmitted to the fitting shaft 20 of the first shaft support portion 11 of the damper plate 10, and the damper plate 10 rotates.

  For example, when the dial plate 6 is rotated downward when the damper plate 10 is in the open state as shown in FIG. 5, the fitting shaft is connected via the arm portion 6 a, the engagement pin 6 b and the lever portion 29 of the dial knob 6. As shown in FIG. 5, the damper plate 10 is rotated by a predetermined opening / closing angle, and the ventilation path 7 is closed.

  On the other hand, when the dial knob 6 is turned upward from the state in which the damper plate 10 is closed, the turning force is transmitted to the lever portion 29 via the arm portion 6a and the engagement pin 6b of the dial knob 6 to be fitted. The shaft 20 rotates counterclockwise in FIG. Accordingly, the first shaft support portion 11 of the damper plate 10 is rotated by a predetermined opening / closing angle range, and the damper plate 10 is in a state where the ventilation path 7 is opened as shown in FIG.

  Thus, according to the register of the present invention, the fitting shaft 20 is fitted to the locking claws 13 and 14 of the first shaft support portion 11 outside the retainer 2, and the second shaft support portion 12 is a shaft hole of the retainer 2. Since the small-diameter fitting support portion 12a is fitted to 2f, the portions of the first shaft support portion 11 and the second shaft support portion 12 of the damper plate 10 located in the ventilation path 7 can be extremely miniaturized, and the damper plate 10 Therefore, it is possible to prevent the space cross-sectional area of the ventilation path 7 from being reduced due to the increase in the size of the shaft support portion, and to reduce the pressure loss at the time of blowing in the periphery of the damper plate 10. Further, it is possible to reduce wind noise caused by the shaft support portion of the damper plate 10 and reduce noise. In particular, in a thin register having a thin ventilation path 7 like the ventilation path 7 of this register, the effect of reducing pressure loss and noise during blowing is great.

  Furthermore, when the first shaft support portion 11 of the damper plate 0 is inserted into the shaft hole 2e of the retainer 2, the fitting support portion 15 at the intermediate portion of the locking claws 13 and 14 comes into contact with the edge portion of the shaft hole 2e and is fitted. When the engagement fitting hole 21 of the joint shaft 20 is fitted to the outer periphery of the engagement claws 13 and 14 from the outside of the retainer 2, the pair of engagement claws 13 and 14 are engaged with the engagement shaft 20. The pair of clamping pieces 24 and 25 are fitted between the pair of latching claws 13 and 14, and are latched by the latching openings 22 and 23 of the joint hole 21. 14 is in contact with the contact holding portions 26 and 27 in the engagement fitting hole 21 of the fitting shaft 20, so that the axially supported radial and radial vibrations of the damper plate 10 are prevented. The damper plate 10 can be pivotally supported so as to be appropriately rotatable. In addition, it is possible to easily manage the prevention of rattling of the shaft support portion of the damper plate 0 due to the dimensional variation of each part during manufacture.

  Furthermore, since the small-diameter fitting support portion 12a of the second shaft support portion 12 is fitted into the shaft hole 2f of the retainer 2 only with the plate thickness of the retainer 2, when the damper plate 10 is mounted in the retainer 2, the first shaft support portion 11 is fitted. In a state where the locking claws 13 and 14 are inserted into the shaft hole 2 e of the retainer 2, the second shaft support 12 can be easily fitted into the shaft hole 2 f from the inside of the retainer 2.

  Further, a chevron-shaped abutting portion 28 is provided in the locking fitting hole 21 of the fitting shaft 20, and the pair of locking claws 13, 14 of the first shaft support portion 11 are fitted into the locking fitting hole 21. At this time, the acute angle tip of the chevron pad 28 is fitted into and abutted with the tip of the pair of locking claws 13, 14, thereby further preventing backlash in the axial direction and radial direction of the damper plate 10. The plate 10 can be pivotally supported so as to be appropriately rotatable.

  Further, a pair of clamping pieces 24 and 25 are provided at the front end of the fitting shaft 20, and the contact holding portions 26 and 27 are formed inside the clamping pieces 24 and 25. , 14 is inserted into the locking fitting hole 21, the holding pieces 24, 25 contact the contact holding portions 26, 27, and the locking claws 13, 14 are clamped from both sides. When the pair of locking claws 13, 14 are inserted into the locking fitting holes 21, the protruding pair of holding pieces 24, 25 hold the locking claws 13, 14 by the contact holding portions 26, 27. Therefore, backlash in the axial direction and radial direction of the damper plate 10 due to dimensional tolerances of parts at the time of manufacture can be further prevented, and the damper plate 10 can be pivotally supported so as to be appropriately rotatable. .

  In the above-described embodiment, the present invention is applied to a register having a rectangular air outlet 5 that is close to a square, but similarly to a cross-sectional shape of the retainer 2, the present invention is applied to a thin register having a horizontally long rectangular air outlet. You can also.

  Further, in the above embodiment, the damper plate 10 is formed in a horizontally long rectangular shape, and the damper plate 10 is mounted in the retainer 2 having the same rectangular cross sectional shape. The damper device of the present invention can be applied to the register of the retainer. In that case, the register is not a thin register but a normal register. In this case as well, the shape in the ventilation path 7 of the first shaft support portion 11 of the damper plate 10 can be reduced to a small diameter, so that The pressure loss at the time of ventilation can be reduced.

  In addition, the register has a vertically elongated air outlet, and a vertical fin is attached to the front movable louver disposed on the inside thereof, and a rear movable louver having a horizontal fin is provided on the upstream side thereof, and the upstream side thereof. In this retainer, a vertical register having a structure in which a vertically-long rectangular damper plate is disposed may be used.

DESCRIPTION OF SYMBOLS 1 Bezel 1a Opening part 1b Fitting part 2 Retainer 2a Fitting part 2c Fitting part 2d Spindle 2e Shaft hole 2f Shaft hole 3 Front movable louver 4 Rear movable louver 5 Air outlet 6 Dial knob 6a Arm part 6b Engaging pin 6c Boss portion 6d Operation load applying material 7 Ventilation path 8 Operation knob 8a Knob body 8b Rear main body 8c Operation load applying material 8d Linking portion 9 Metal wire 9a Metal wire support portion 10 Damper plate 10a Seal material 11 First shaft support portion 12 Second Shaft support portion 12a Small-diameter fitting support portion 13 Locking claw 14 Locking claw 15 Fitting support portion 19 Limiting portion 20 Fitting shaft 21 Locking fitting hole 22 Locking opening portion 24 Clamping piece 26 Contact holding portion 28 Yamagata Part 29 Lever part 29a Long hole 31 Horizontal fin 32 Support shaft 34 Bearing member 35 Connection shaft 36 Link bar 41 Vertical fin 42 Support shaft 43 Engagement part 44 Bearing part 45 connecting shaft 46 link bar

Claims (3)

In a damper device for a resistor, in which a damper plate is rotatably supported by a first shaft support portion at one end and a second shaft support portion at the other end in a ventilation passage of the retainer. A pair of locking claws project from the end, and a fitting support portion that fits into the shaft hole on the retainer side is provided on an intermediate outer peripheral portion of the locking claws,
The second shaft support portion is provided with a small-diameter fitting support portion that is fitted to the other shaft hole on the retainer side only by the thickness of the retainer,
A fitting shaft having a locking fitting hole is fitted to the pair of locking claws of the first shaft support portion from the outside of the retainer, and the pair of locking claws are fitted to the fitting shaft. A locking hole having a locking opening to be locked is provided,
When the pair of locking claws are inserted into the locking fitting holes and locked in the locking openings in the locking fitting holes of the fitting shaft, both side ends of the locking claws A damper device for a register, characterized in that a contact holding portion that contacts and holds the portion is provided.   A chevron-shaped abutting portion is provided inside the engaging-fitting hole of the engaging shaft, and when the pair of engaging claws are inserted into the engaging-fitting hole, the chevron-shaped abutting portion is locked to a pair. 2. The resistor damper device according to claim 1, wherein the resistor damper device is inserted between the claws and is brought into contact with the inside of the locking claws.   A pair of clamping pieces project from the end of the fitting shaft, the abutment holding portion is formed inside the clamping piece, and the pair of locking claws are inserted into the locking fitting holes. 3. The resistor damper device according to claim 1, wherein the holding piece holds the contact claw from both sides by bringing the contact holding portion into contact with the holding piece.

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