JP2014091378A - Register - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a round register which can send smooth diffusion air, improve operation feeling during tilting operation, and improve the directivity of an air flow.SOLUTION: A rotatable louver 2 having a cylindrical frame 20 is rotatably arranged in a retainer 1. In the rotatable louver 2, a plurality of movable fins 23 are radially and rotatably supported by radial support shafts. The movable fins 23 are rotated around a shaft support part of a center shaft support part 3 trough a bevel gear mechanism according to rotating operation using an axis of an operation part 6 as a pivot, and when the operation part 6 is moved in the radial direction of the cylindrical frame 20, the rotatable louver 2 is tilted in a ventilation flue. A ring frame-shaped ring fin 16 is arranged in the transverse direction of the ventilation flue and on the upstream side in the ventilation flue. The ring fin 16 is provided with a tapered surface which guides an air flow passing through the ventilation flue to the axis side of the ventilation flue.

Description

  The present invention relates to a register mainly used for air blowing adjustment of an air conditioner such as an automobile, and more particularly to a round register having a cylindrical retainer and a substantially circular air outlet.

  2. Description of the Related Art Conventionally, as a round register having a circular air outlet, a register provided with a round turning louver that can be turned around a central axis in a blowing direction in a cylindrical frame is disclosed in Patent Document 1 below. Is known by.

Japanese Utility Model Publication 3-27237

  As shown in FIG. 13, this register has a cylindrical outer frame 71 having a spherical surface on the inside, and an inner frame 72 having an outer spherical surface is fitted inside the outer frame 71 so as to be rotatable and tiltable. In the inner frame 72, a rotating louver in which four movable blades 73 are arranged radially around the central shaft 74 is disposed. Each movable blade 73 of the rotating louver supports the inner frame 72 in the radial direction. The shaft 73a is rotatably supported around the shaft 73a.

  Further, this register is provided with a bevel gear at the end of the center shaft 74 and the inner end of the support shaft 73a of each movable blade 73, and the bevel gear provided at the end of the center shaft 74 meshes with the bevel gear of each movable blade 73. When a knob 75 provided at the tip of the shaft 74 is turned, each movable blade 73 is structured to rotate about its support shaft 73a via a bevel gear.

  When the register 75 is used, if the knob 75 at the tip of the central shaft is turned, the four movable blades 73 rotate about the radial support shaft via the bevel gear, and the four movable blades 73 are parallel to the blowing direction. In this case, the wind blown from the air outlet 76 of the register is converged in the center by the movable blade 73, but when the four movable blades 73 are tilted about the respective support shafts 73a, the blown airflow is It flows so as to diffuse around the air outlet 76. Further, when each movable blade 73 is rotated to a state parallel to the cross section of the flow path, the flow path of the register is blocked to stop blowing.

  However, in this conventional register, when the wind direction is changed, if the inner frame 72 is tilted (rotated) with respect to the outer frame 71 in any direction such as up and down and left and right with the knob 75, the movable louver is moved to the inner frame 72. At this time, the inner frame 72 that tilts (rotates) with respect to the outer frame 71 rotates with its outer spherical surface in contact with the inner spherical surface of the outer frame 71 over a relatively large area. To do.

  In a register in which a part is molded by plastic molding, there is usually an error within tolerance in the dimension of each part for each product, and in the structure of the movable louver of the register that is supported rotatably by spherical contact, Variations in frictional resistance during rotation occur due to dimensional error within tolerance of each spherical shape for each register product.

  For this reason, when the gap between the outer frame 71 and the inner frame 72 is relatively large and the frictional resistance therebetween is small, the tilting operation of the inner frame 72 becomes too light, and the orientation of the inner frame 72 is also affected by the wind pressure during blowing. On the other hand, when the gap between the outer frame 71 and the inner frame 72 is small and the frictional resistance between them is large, the tilting operation of the inner frame becomes heavy and difficult to operate.

  Therefore, a sliding sheet such as a non-woven fabric is interposed between the inner spherical surface of the outer frame 71 and the outer spherical surface of the inner frame 72 to absorb the variation in frictional resistance due to the dimensional error within the tolerance, and is stable during the rotation operation. However, when a sliding sheet such as a nonwoven fabric is interposed on a relatively wide contact surface between the inner spherical surface of the outer frame 71 and the outer spherical surface of the inner frame 72, the inner frame During the turning operation of 72, the operation load changes according to the operation angle, or a harsh feeling occurs, and there is a problem that the operation feeling at the time of adjusting the wind direction is likely to deteriorate.

  The conventional register can adjust the air flow from convergence to diffusion by rotating the four movable blades 73 around the support shaft 73a in the radial direction, but the air flow is converged in the center. Then, when the wind direction is swung by tilting the inner frame 72 left and right and up and down, the wind flowing along the inner surface of the inner frame 72 hits the inner edge of the air outlet 76 of the outer frame 71 as shown in FIG. In this case, there is a problem that the directivity of the mainstream wind tends to be deteriorated because it goes to the mainstream wind side flowing through the center.

  This invention solves the above-mentioned subject, can blow a smooth diffused wind, improves the operational feeling during tilting operation, and improves the directivity of the wind when the wind direction is swung. An object of the present invention is to provide a round register that can be used.

In order to achieve the above object, the register of the present invention provides:
A rotating louver having a cylindrical frame is rotatably disposed in a cylindrical retainer, and a plurality of movable fins radially extend from the center line parallel to the blowing direction on the rotating louver. In a register that is pivotally supported by a pivot in the radial direction,
A plurality of movable fins are pivotally supported on the inner side of the cylindrical frame so as to be rotatable by a radial support shaft at substantially equal intervals.
An operation unit is rotatably mounted around the center line of the rotation louver at the center of the front side of the central shaft support unit, and the operation unit is linked to an inner portion of each movable fin via a bevel gear mechanism.
The movable fin rotates about the shaft support portion of the central shaft support portion via the bevel gear mechanism in response to a rotation operation about the center line of the operation portion, and the operation portion is moved to the cylindrical frame. The rotating louver having the cylindrical frame is tilted in an arbitrary direction in the ventilation path in the retainer when moved in the radial direction of
A ring-shaped ring-shaped fin is disposed on the upstream side of the ventilation path in the transverse direction of the ventilation path, and an air flow passing through the ventilation path is transmitted to the ring-shaped fin through a central axis of the ventilation path. A tapered surface inclined so as to be guided to the side is provided.

  According to the register of the present invention, when the airflow is swung in an arbitrary direction by tilting the rotating louver having the cylindrical frame left and right and up and down in a state where the airflow is converged in the center, the wind passing through the ventilation path is Since the taper surface of the fin is guided toward the central axis of the ventilation path, the air blown from the air outlet is well converged near the central axis of the ventilation path. Therefore, even when the wind direction is swung in an arbitrary direction, the wind flowing in the vicinity of the inner wall does not hit the inner edge of the air outlet, but goes to the airflow mainstream side that flows through the center. Can do.

  In addition, when the register is mounted diagonally upward, when foreign matter such as coins is dropped into the air outlet, the foreign matter is likely to fall into the air duct, but the ring fins are arranged in the transverse direction of the ventilation path. Therefore, the ring-shaped fin can prevent the foreign matter from falling.

  Here, in the register, a ball joint having a ball is arranged on a center line parallel to the air blowing direction in the retainer, and the pivot louver is provided with a shaft support portion at the outer peripheral portion at the center of the cylindrical frame. The central shaft support portion is disposed, and the central shaft support portion is attached so as to be tiltable and rotatable by fitting a ball hole provided in the center to the ball, and moves the operation portion in the radial direction of the cylindrical frame. In this case, the cylindrical frame and the inner surface of the retainer are not in contact with each other, and the rotation louver can be configured to tilt around the ball while being supported by the ball joint.

  According to the present invention, when the rotating louver is tilted in an arbitrary direction while holding the central operation portion of the rotating louver, the rotating louver is configured such that the cylindrical frame and the inner surface of the retainer are not in contact with each other, and the ball joint As the ball is tilted around the center of the ball, it is caused by the dimensional error of each product compared to the rotation support by the contact between the inner spherical surface of the outer frame and the outer spherical surface of the inner frame, as in the conventional register. Thus, the variation of the operating load and the sensation of feeling are not generated, and the wind direction can be changed by tilting the rotating louver with a stable and smooth operation feeling.

  Further, in the register, five shaft support portions are provided at equal intervals on the outer peripheral portion of the central shaft support portion of the rotation louver, and five movable fins are supported by the shaft support portions to form a cylinder of the rotation louver. The movable fins can be arranged on the inner side of the frame at equal intervals, and the inside of the cylindrical frame can be closed when the movable fin rotates to a state substantially parallel to the cross section of the cylindrical frame.

  According to this, the magnitude | size of a movable fin can be made small compared with the magnitude | size of four movable blades used with the conventional register | resistor. For this reason, the rotating louver can be tilted over a wide range without causing the movable fin to interfere with the ball joint, and the length of the retainer can be shortened, thereby saving the space for installing the register. Can be achieved.

  Further, the bevel gear mechanism is configured such that the drive-side bevel gear portion is coupled to the operation portion and is pivotally supported by a central shaft projecting from the center of the central shaft support portion, and the driven-side bevel gear piece is It is integrally formed in the vicinity of the inner base portion of each movable fin, and can be configured by meshing the drive-side bevel gear portion and the driven-side bevel gear piece. According to this, since the bevel gear piece on the driven side is integrally formed with the inner portion of each movable fin, the number of parts can be reduced and the number of assembling steps for the parts can be reduced.

  Further, the cylindrical frame of the rotating louver is formed by fitting a front cylindrical frame and a rear cylindrical frame, and the front cylindrical frame is provided with a lattice portion along a cross section thereof, on the front surface of the lattice portion. The operation unit may be rotatably supported, and a central part of the operation unit may be coupled to the bevel gear mechanism.

  According to the register of the present invention, a smooth diffused air can be blown, a smooth tilting operation can be performed, an operational feeling during tilting operation can be improved, and a rotating louver having a cylindrical frame can be tilted. The directionality of the wind when the wind direction is swung can be improved.

It is a front view of the register | resistor which shows one Embodiment of this invention. It is II-II sectional drawing of the register. It is a III-III sectional view of the register. It is a left view of a register. It is VV sectional drawing of FIG. It is VI-VI sectional drawing of FIG. It is the perspective view of the register | resistor seen from the front side. It is a perspective view of a register seen from the back side. It is sectional drawing when a rotation louver is shaken up. It is sectional drawing when a rotation louver is shaken down. FIG. 4 is a cross-sectional view showing another embodiment and corresponding to the III-III cross-sectional view of FIG. 3. It is sectional drawing when the rotation louver of other embodiment is shaken up. It is a longitudinal cross-sectional view of a conventional round register.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a round register for an air conditioner provided in a vehicle cabin, and FIGS. 2 and 3 are cross-sectional views of the register. As schematically shown in the figure, this register is provided with a rotating louver 2 having a cylindrical frame 20 in a cylindrical retainer 1 so as to be rotatable. The rotating louver 2 is parallel to the blowing direction. The five movable fins 23 are pivotally supported by the radial shaft support 4 inside the cylindrical frame 20 so as to be rotatable radially from the center line S1. A ventilation path 15 is formed in the retainer 1, and the retainer 1 is open at the front and rear portions thereof.

  As shown in FIGS. 2, 3, and 8, support frames 12 are provided radially at the rear portion (rear portion, upstream side) of the retainer 1, and a ball joint support portion 11 is provided at the center of the support frame 12. The shaft portion 82 of the ball joint 8 is fitted into and attached to the shaft hole drilled in the axial direction of the ball joint support portion 11. As shown in FIG. 5 and the like, the ball joint 8 supports the rotating louver 2 having the cylindrical frame 20 and the five movable fins 23 on the center line S1 of the register, and is vertically, horizontally, and horizontally about the center line S1. The structure is supported so that it can tilt.

  Further, as shown in FIGS. 2, 3, and 8, an annular frame-shaped ring-shaped fin 16 is provided between the ball joint support portion 11 and the support frame 12 in the vicinity of the back surface in the retainer 1. It is provided in a traversing form. This ring-shaped fin 16 has a taper surface 16a on the surface, the air blown in the center, that is, the movable fin 23 is in a state parallel to the air blowing direction, and the rotating louver 2 and the cylindrical frame 20 are tilted left and right and up and down. When the wind direction is swung, the wind passing through the ventilation path 15 hits the tapered surface 16a of the surface of the ring-shaped fin 16 and is guided to the central axis side of the ventilation path 15. As shown in FIGS. 2 and 3, the tapered surface 16 a of the ring-shaped fin 16 is formed so as to be inclined so that the inner diameter of the ring-shaped fin 16 decreases toward the downstream side when viewed from the front.

  Further, the ring-shaped fin 16 also has a function as a foreign matter fall prevention frame that prevents the foreign matter such as coins from falling when dropped into the air outlet 9b. In other words, when the register is mounted obliquely upward, when a foreign object such as a coin is dropped into the air outlet 9b, the foreign object is likely to fall from the register into the air duct, but the ring-shaped fin 16 is supported by the support frame 12. At the same time, the ring-shaped fins 16 and the support frame 12 can prevent foreign matter from falling because they are disposed in the transverse direction of the ventilation path 15.

  As described above, the ring-shaped fins 16 in the retainer 1 function as a frame for preventing foreign matter from falling, and when the air is converged and blown along the central axis of the ventilation passage 15, As described above, the air flow along the inside of the air outlet 9b is peeled off, and at the inner edge of the air outlet 9b of the bezel 9, the curled wind (wind bent toward the center side) is prevented, The directivity is improved.

  A plurality of locking portions 13 are provided on the outer peripheral portion of the front portion (downstream side) of the retainer 1 in order to fit the bezel 9, and the locking claws 9 a of the bezel 9 are locked to the locking portion 13. The The bezel 9 is formed in an annular shape, and its circular opening forms an air outlet 9b. The bezel 9 is fitted to the front portion of the retainer 1 with the rotating louver 2 disposed inside.

  As shown in FIGS. 2 and 5, the rotating louver 2 has five movable fins 23 arranged radially in the cylindrical frame 20, and rotates the operation unit 6 in the center of the front cylindrical frame 21 of the cylindrical frame 20. The movable fins 23 are pivoted around the pivotal support 4 of the central pivotal support 3 and the movable fins 23 are moved in the radial direction according to the rotational operation of the operation unit 6. It is configured to tilt (rotate) around the support shafts 24a and 24b supported by the shaft support portion 4. Further, in the rotating louver 2, the central shaft support portion 3 disposed in the center has five shaft support portions 4 disposed at equal intervals (an angular interval of about 72 °) on the outer peripheral portion, and the five movable fins 23 are disposed on them. These are pivotally supported by the shaft support portion and arranged at equal intervals inside the cylindrical frame 20 of the rotating louver 2.

  The movable fin 23 of the rotating louver 2 is rotated to a state parallel to the transverse direction of the ventilation path 15 in the retainer 1 at the rotating end in the closing direction at the time of the rotating operation, and the cylindrical frame is formed by the five movable fins 23. In FIG. 5, that is, the ventilation path 15 is fully closed as shown in FIG. 5.

  The register having such a rotating louver 2 is rotatably accommodated in the retainer 1, and a bezel 9 is fitted to the front thereof. In this state, the cylindrical frame 20 of the rotating louver 2 in the retainer 1 is rotatably arranged with a slight gap between the outer peripheral surface and the inner peripheral surface of the retainer 1, and in this state, the retainer 1 is fitted with a bezel 9.

  As described above, the ball joint 8 that supports the rotating louver 2 is disposed on the center line S1 parallel to the blowing direction in the retainer 1 by inserting the shaft portion 82 of the ball joint support portion 11. However, a ball 81 is provided at the front end of the shaft portion 82, and the ball hole 41 (FIGS. 3 and 5) in the center of the central shaft support portion 3 tilts and rotates on the ball 81 via the load applying member 7. Fit as possible.

  The load applying member 7 is formed in a cup shape by a rubber-like elastic body such as a thermoplastic elastomer, and is fitted into the ball hole 41 at the center of the central shaft support portion 3, and the ball 81 of the ball joint 8 is fitted therein. . Thereby, the rotation louver 2 is mounted in the ventilation path 15 of the retainer 1 so as to be tiltable and rotatable about the center of the ball 81 of the ball joint 8 via the load applying member 7.

  As shown in FIGS. 2 and 5, the rotating louver 2 is provided with a central shaft support portion 3 in the center of the cylindrical frame 20 and five shaft support portions 4 provided at equal intervals on the outer periphery of the central shaft support portion 3. As shown in FIG. 5, the central shaft support portion 3 is provided with five shaft holes at equal intervals (an angular interval of about 72 °) on the outer periphery thereof, and further in the center axis direction, A shaft 31 is projected.

  As described above, the ball 81 of the ball joint 8 is fitted into the ball hole of the load applying member 7 with an appropriate frictional resistance, and the central shaft support portion 3 passes through the ball hole 41 at the center via the load applying member 7. The rotation louver 2 can be tilted in any direction such as up, down, left and right with an appropriate operation load with the center of the ball 81 as the rotation center point. It can be rotated around S2.

  In such a rotating louver 2, when each movable fin 23 is rotated around the support shafts 24 a and 24 b of the shaft support portion 4, the fin main body 26 of the movable fin 23 is at the rotation end of the cylindrical frame 20. It becomes a state substantially parallel to the cross section, the ventilation path 15 is fully closed, and the ventilation is cut off. Therefore, the fin bodies 26 of the five movable fins 23 have a shape and a size that can be fully closed when they are juxtaposed in a cross section perpendicular to the ventilation direction of the ventilation path 15.

  In other words, when the rotating louver 2 rotates the five movable fins 23 to a state parallel to the cross section perpendicular to the ventilation direction, the movable fins 23 have a shape and size that make the ventilation path 15 fully closed. Is formed. As described above, since the rotating louver 2 has the five movable fins 23 arranged side by side, the size of the fin main body 26 of the movable fin 23 can be reduced as compared with the case of the four movable fins. Thereby, the rotation louver 2 can be tilted to a predetermined maximum angle without causing the movable fin 23 to interfere with the ball joint 8 when tilting in the vertical and horizontal directions.

  Further, when the number of the movable fins 23 of the rotating louver 2 is five, when the movable fins 23 are rotated about the support shafts 24a and 24b to diffuse the air flow, the four movable fins 23 as in the conventional case are used. Compared to the rotating louver provided with fins, the wind is diffused at a higher efficiency than when the air is blown, and the mild wind diffused efficiently can be blown around the air outlet. .

  Furthermore, as described above, with the downsizing of the movable fin 23, the length in the axial direction in a state where the movable fin 23 is parallel to the axial direction (air blowing direction) of the ventilation path 15 can be shortened. For this reason, the length of the retainer 1 can be made shorter than that of the conventional register of four movable fins, so that the space for installing the register can be saved.

  As shown in FIGS. 1 and 2 and the like, the register operating portion 6 is formed with a knob-shaped operation dial 61, and rotates in the center of the lattice portion 21 a at the front portion of the cylindrical frame 20 of the rotating louver 2. It is operably mounted. A bearing hole is provided in the center of the lattice portion 21a, and the shaft portion of the operation dial 61 is rotatably fitted in the bearing hole. The shaft portion of the operation dial 61 is provided with a shaft hole, and the shaft portion of the bevel gear portion 51 of the bevel gear mechanism 5 is inserted into the shaft hole, and the operation portion 6 is fitted and attached to the shaft portion. Thereby, when the operation part 6 is rotated, the bevel gear part 51 of the bevel gear mechanism 5 is rotated. Further, as shown in FIG. 2, the operation unit 6 is provided to protrude slightly forward from the air outlet 9 b of the bezel 9. Thereby, at the time of use, the user can easily hold the operation unit 6 and perform a tilting operation or a rotating operation.

  The bevel gear portion 51 of the bevel gear mechanism 5 rotates about the central shaft 31 of the central shaft support portion 3, and is attached to the inner end portion of each movable fin 23 that is supported by each shaft hole of the shaft support portion 4 of the central shaft support portion 3. The provided bevel gear piece 25 meshes with the bevel gear portion 51. For this reason, when the operation portion 6 is rotated, the bevel gear piece 25 is driven and rotated via the bevel gear portion 51, and each movable fin 23 of the rotation louver 2 rotates about its support shafts 24a and 24b. Move. That is, the bevel gear mechanism 5 is configured by meshing the driving side bevel gear portion 51 and the driven side bevel gear piece 25, and the central shaft 31 projects from the center of the driving side bevel gear portion 51. It is connected to the center of the part 6.

  Further, the drive-side bevel gear portion 51 of the bevel gear mechanism 5 is rotatably supported by a central shaft 31 protruding from the center of the central shaft support portion 3. As shown in FIG. 2, the driven-side bevel gear piece 25 that meshes with the driving-side bevel gear portion 51 is formed integrally with the inner portion of each movable fin 23. That is, each movable fin 23 has a support shaft 24 b provided at the inner end thereof fitted in the shaft hole of the shaft support portion 4 on the outer peripheral portion of the center shaft support portion 3, and the bevel gear piece 25 on the driven side is located inside the movable fin 23. It is molded integrally with the part. Further, since the rotation range of each movable fin 23 is about 90 °, the bevel gear piece 25 does not have to be formed in an annular wheel shape, but is formed as an angular range of about 180 °, that is, a substantially semicircular tooth portion. .

  With the above configuration, when the drive-side bevel gear portion 51 is rotated by the rotation operation of the operation portion 6, each driven-side bevel gear piece 25 rotates within a range of about 90 ° around the support shaft 24b. The movable fin 23 is in a state parallel to a vertical plane perpendicular to the center line S2 from a state parallel to the center line S2 of the rotating louver 2 around the shaft support part 4 on the outer peripheral portion of the central shaft support part 3 (blocking of the flow path). (State). Further, as described above, when the rotation louver 2 is tilted in any direction such as up, down, left and right by holding the operation dial 61 of the operation unit 6 or is rotated, the rotation louver 2 is moved to the ball joint 8. It is structured to tilt or rotate in an arbitrary direction while being supported by only.

  The register having the above-described configuration is used by being mounted on, for example, an air outlet of an air conditioner provided on an instrument panel of an automobile. When changing the blowing direction of the register, the rotation louver 2 is tilted or rotated by holding the operation dial 61 of the operation unit 6. Since the operation dial 61 protrudes slightly forward from the air outlet 9b of the bezel 9, the user can easily hold the operation dial 61 and perform a tilting operation or a rotating operation.

  As shown in FIG. 2, when the rotating louver 2 is straight in front of the register, that is, the movable fin 23 of the rotating louver 2 is parallel to the center line S2 along the axial direction of the ventilation path 15. When in the state, the air flow is guided by the movable fins 23 of the rotating louver 2 and blown straight forward, and at this time, the air flow is concentrated (converged) in a relatively narrow range in front.

  In this state, when the wind direction is directed obliquely upward, when the operation unit 6 is operated to lift the wind direction, the rotating louver 2 including the operation unit 6 and the cylindrical frame 20 is moved to the ball 81 of the ball joint 8 as shown in FIG. The center line S2 of the rotating louver 2 is tilted upward as shown in FIG. 9 with respect to the center line S1 of the retainer 1, so that the blowing direction is directed obliquely upward. .

  On the other hand, when the wind direction is directed obliquely downward, when the operation unit 6 is held and operated downward, the rotating louver 2 including the operation unit 6 and the cylindrical frame 20 is centered on the ball 81 of the ball joint 8 as shown in FIG. The center line S2 of the rotation louver 2 is inclined downward as shown in FIG. 10 with respect to the center line S1 of the retainer 1, and thereby the air blowing direction is directed obliquely downward. . Similarly, when the wind direction is directed obliquely left and right, the rotation direction can be changed by tilting the rotating louver 2 including the cylindrical frame 20 left and right by operating the operation unit 6.

  When the rotating louver 2 is swung up and down and left and right with the operation unit 6 in this way, the air flow sent into the ventilation path 15 in the retainer 1 is guided by the tapered surface 16 a of the ring-shaped fin 16. They are collected near the center, converged, and blown. As a result, the airflow flowing along the inner wall in the retainer 1 is collected in the vicinity of the central portion so as to be separated, and merged with the main air flow toward the center line S2 of the rotating louver 2 and has good directivity. You can blow in any direction.

  On the other hand, when the air is diffused and blown over a relatively wide range around the front of the air outlet 9b, the operation unit 6 is held and turned to the right or left so as to twist the center line S2.

  At this time, the rotational force of the operation unit 6 is transmitted to the bevel gear unit 51 through the bevel gear mechanism, the bevel gear unit 51 rotates, and the rotation is transmitted to the bevel gear pieces 25 of the five movable fins 23 that mesh with the bevel gear unit 51. The five movable fins 23 are rotated about the support shafts 24 a and 24 b, and the fin body 26 of each movable fin 23 is rotated around a radial axis along the transverse section of the ventilation path 15. .

  As a result, when the air flow passes through the rotation louver 2, the air flow is widened and blown around the center line S2 of the rotation louver 2, and diffused around the air outlet 9b. Be blown. At this time, since the air is guided and diffused by the five movable fins 23 arranged inside the air outlet, a milder wind is generated compared to the case of the conventional four movable fins. Can blow.

  On the other hand, in order to block the blowing, the operation unit 6 is further rotated to the right or left to the rotation end. As a result, each movable fin 23 of the rotating louver 2 rotates about the support shafts 24a and 24b to a state parallel to the vertical plane perpendicular to the center lines S1 and S2 (blocking state of the flow path). As a result, the ventilation path 15 is fully closed as shown in FIG.

  As described above, the rotation louver 2 is tilted around the ball 81 with the cylindrical frame 20 and the inner surface of the retainer 1 being in non-contact and supported only by the ball joint 8 by the tilting operation of the operation unit 6. Unlike conventional registers, compared to the rotation support by the contact between the inner spherical surface of the outer frame and the outer spherical surface of the inner frame, there is no fluctuation in operation load due to dimensional errors for each product, and no harsh feeling is generated. The rotating louver 2 can be tilted with the smooth operation feeling and the wind direction can be changed.

  Further, since a cup-shaped load application member 7 is interposed between the ball 81 of the ball joint 8 and the ball hole 41 of the central shaft support portion 3, an appropriate operation load (friction resistance) is applied by the load application member 7. Thus, the rotating louver 2 can be tilted with a more stable operation load and a smooth operation feeling.

  11 and 12 are sectional views of a register according to another embodiment. This register is formed such that a ring-shaped fin 96 disposed on the upstream side in the retainer 1 is inclined so that its tapered surface 96a extends downstream in a front view, contrary to the ring-shaped fin 16. ing. The configuration of the register other than the ring-shaped fin 96 is the same as that of the register of the above-described embodiment, and the same reference numerals are given to FIGS.

  As shown in FIG. 12, in the register in which the ring-shaped fin 96 is arranged on the upstream side in the retainer 1, when the wind direction is directed obliquely upward, if the operation unit 6 is operated upward, the operation unit 6 and the cylindrical frame are arranged. The rotating louver 2 including 20 rotates (tilts) upward about the ball 81 of the ball joint 8. Thereby, the center line S2 of the rotation louver 2 is inclined upward as shown in FIG. 12 with respect to the center line S1 of the retainer 1, and thereby the blowing direction is directed obliquely upward.

  At this time, the air flow sent into the ventilation path 15 in the retainer 1 hits the tapered surface 96a of the ring-shaped fin 96 or the edge of the tapered surface, but the air flow hit the edge is Bent to the center of the ventilation path. As a result, the airflow is collected near the center of the rotating louver 2, converged and blown. Therefore, as described above, when the rotating louver 2 is swung up, down, left and right, the airflow flowing along the inner wall in the retainer 1 is collected by the ring-shaped fins 96 in the vicinity of the central portion so as to be separated, It joins with the ventilation mainstream which goes to centerline S2 of the rotation louver 2, and can blow in arbitrary directions with favorable directivity.

  In addition, although the five movable fins 23 were provided in the rotation louver 2 of the said embodiment, the number of movable fins can also be made into 3 pieces or 6 pieces, for example. Moreover, although the said operation part 6 was made into the annular | circular shape, it can also be made into shapes, such as another polygon.

DESCRIPTION OF SYMBOLS 1 Retainer 2 Rotating louver 3 Center shaft support part 4 Shaft support part 5 Bevel gear mechanism 6 Operation part 7 Load application member 8 Ball joint 9 Bezel 9a Locking claw 9b Air outlet 11 Ball joint support part 12 Support frame 13 Locking part 15 Ventilation Road 16 Ring-shaped fin 16a Tapered surface 20 Cylindrical frame 21 Front cylindrical frame 21a Lattice portion 23 Movable fin 24a Support shaft 24b Support shaft 25 Bevel gear piece 26 Fin body 31 Central shaft 41 Ball hole 51 Bevel gear portion 61 Operation dial 81 Ball 82 Shaft portion 96 Ring-shaped fin 96a Tapered surface

Claims (5)

A rotating louver having a cylindrical frame is rotatably disposed in a cylindrical retainer, and a plurality of movable fins radially extend from the center line parallel to the blowing direction on the rotating louver. In a register that is pivotally supported by a pivot in the radial direction,
A plurality of movable fins are pivotally supported on the inner side of the cylindrical frame so as to be rotatable by a radial support shaft at substantially equal intervals.
An operation unit is rotatably mounted around the center line of the rotation louver at the center of the front side of the central shaft support unit, and the operation unit is linked to an inner portion of each movable fin via a bevel gear mechanism.
The movable fin rotates about the shaft support portion of the central shaft support portion via the bevel gear mechanism in response to a rotation operation about the center line of the operation portion, and the operation portion is moved to the cylindrical frame. The rotating louver having the cylindrical frame is tilted in an arbitrary direction in the ventilation path in the retainer when moved in the radial direction of
A ring-shaped ring-shaped fin is disposed on the upstream side of the ventilation path in the transverse direction of the ventilation path, and an air flow passing through the ventilation path is transmitted to the ring-shaped fin through a central axis of the ventilation path. A register provided with a tapered surface inclined so as to guide to the side.   A ball joint having a ball is disposed on a center line parallel to the blowing direction in the retainer, and a central shaft support portion having a shaft support portion provided on an outer peripheral portion is disposed at the center of the cylindrical frame on the rotating louver. The central shaft support portion is attached so that it can be tilted and rotated by fitting a ball hole provided in the center to the ball, and when the operation portion is moved in the radial direction of the cylindrical frame, the cylindrical frame 2. The register according to claim 1, wherein the inner surface of the retainer and the inner surface of the retainer are not in contact with each other, and the rotating louver is tilted about the ball while being supported by the ball joint.   Five shaft support portions are provided at equal intervals on the outer peripheral portion of the central shaft support portion of the rotating louver, and the five movable fins are supported by the shaft supporting portion to form a cylindrical frame of the rotating louver. 3. The register according to claim 2, wherein the movable fins are arranged at equal intervals on the inner side of the cylindrical frame, and the cylindrical frame is closed when the movable fin is rotated to a state substantially parallel to a cross section of the cylindrical frame.   The bevel gear mechanism is configured such that a drive-side bevel gear portion is connected to the operation portion and is pivotally supported by a central shaft projecting from the center of the central shaft support portion, and a driven-side bevel gear piece is movable. 3. The register according to claim 2, wherein the register is integrally formed in the vicinity of the inner base portion of the fin, and the drive-side bevel gear portion and the driven-side bevel gear pieces are engaged with each other.   The cylindrical frame of the rotating louver is formed by fitting a front cylindrical frame and a rear cylindrical frame, and the front cylindrical frame is provided with a lattice portion along a cross section thereof, and the operation is provided on the front surface of the lattice portion. 4. The register according to claim 3, wherein a central portion of the operation portion is coupled to the bevel gear mechanism while the portion is rotatably supported.

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