JP5568421B2 - Ventilator - Google Patents

Description

  The present invention relates to a ventilator, and more particularly, to a ventilator that is attached to an air blowing unit such as an air conditioner and that can adjust the flow direction of the blown air.

  Conventionally, a ventilator capable of adjusting the direction of the flow of air blown out is sometimes attached to an air blowing unit such as an air conditioner. In this case, a ventilator capable of adjusting the direction of the flow of air blown up and down and left and right may be used.

  For example, a register (ventilator) described in Japanese Patent Application Laid-Open No. 2004-243946 (Patent Document 1) has been proposed as a ventilator capable of adjusting the direction of the flow of air blown up and down and left and right. In the register (ventilator) described in this publication, a cylindrical rotating louver is mounted in a cylindrical retainer so as to be rotatable about an axis parallel to the blowing direction. A movable fin is supported in the cylindrical frame of the rotating louver so as to be rotatable about an axis perpendicular to the rotating axis of the rotating louver. By rotating the cylindrical frame and the movable fin, the direction of the air blown from the register (ventilator) can be adjusted in the vertical and horizontal directions.

JP 2004-243946 A

  In the register (ventilator) of the above publication, the shaft portion of the movable fin is fitted in the shaft hole and groove of the support frame of the cylindrical frame. Moreover, the rotation louver is fitted from the front into the front part in the retainer, and a part of the outer peripheral surface of the support frame of the cylindrical frame is in contact with a part of the inner peripheral surface of the retainer. When rotating the movable fin in the vertical and horizontal directions, the shaft hole and groove of the support frame slide with the shaft portion of the movable fin, and a part of the outer peripheral surface of the support frame and a part of the inner peripheral surface of the retainer Slides. At this time, since the area in which a part of the outer peripheral surface of the support frame and a part of the inner peripheral surface of the retainer slide is large, the frictional resistance of the sliding part increases.

  When a force is applied to the movable fin from the outside in order to rotate the movable fin, the frictional resistance of the sliding portion is large, so that a large force is required to rotate the movable fin by the frictional resistance. Moreover, since this frictional resistance is large, the loss (loss) of the force applied to the movable fin from the outside also increases. For this reason, for example, fine adjustment of the position of the movable fin is hindered, and there is a problem that the operability of the movable fin is poor.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a ventilator with good operability of the fin portion.

The ventilator of the present invention has a cylindrical shape, a case portion that defines a part of the ventilation path inside, a blowout port at the tip, and a part of the ventilation path that is connected to the blowout port. The fin part is mounted in the case part in a state where the part is received, and is movably attached to the tip of the case part, and is disposed in the center of the case part in the diametrical direction in the ventilation path and connected to the fin part. And a second shaft extending in a direction intersecting the first axis and connected to the case portion, and the fin portion is rotated around the first axis and the second axis with respect to the case portion. And a joint portion that supports the same as possible. A frame member having an opening is provided at the rear end of the case portion. A support member is provided on the frame member so as to be arranged at the center in the diameter direction of the case portion and to extend from the rear end of the case portion toward the front end. A second shaft is attached to the support member.

  According to the ventilator of the present invention, since the joint portion that rotatably supports the fin portion with respect to the case portion is disposed in the center of the case portion in the diametrical direction in the ventilation path, the fin portion and the case portion And the area where the joint part slides can be reduced. Therefore, the frictional resistance of the sliding portion between the fin portion and the case portion and the joint portion can be reduced. Since the frictional resistance is small, the force required to rotate the fin portion can be reduced. Moreover, since this frictional resistance is small, the loss (loss) of the force applied from the outside to the fin portion to rotate the fin portion is also small. For this reason, fine adjustment of the position of a fin part etc. is easy, for example. Therefore, the operability of the fin portion can be improved.

  In the ventilator described above, preferably, at least one of the first axis and the second axis of the joint portion is male. In the case where both the first axis and the second axis of the joint part are female, in the one to be attached later of the first axis and the second axis, the joint part is surrounded by the case part and the fin part. It is difficult to increase the male spacing for insertion into the shape. Therefore, it is difficult to insert the male form into the female form with the male form interval widened. On the other hand, when at least one of the first axis and the second axis is male, the later one of the first axis and second axis to be attached is male, and the male is pushed into the female to It is easy to insert the male form into the female form with a wider interval. Therefore, a joint part and a case part or a fin part can be easily attached by making at least one of a 1st axis | shaft and a 2nd axis | shaft into a male shape.

  In the ventilator described above, the friction coefficient of the sliding portion of the joint portion with the case portion or the fin portion is preferably higher than the friction coefficient of the case portion or the fin portion that can rotate in the direction of gravity. Since the friction coefficient of the sliding portion of the joint portion is high, the position where the fin portion is rotated can be held by the frictional force between the case portion or the fin portion that can rotate in the direction of gravity and the joint portion. Since the position of the state in which the fin portion is rotated by the three components of the case portion, the fin portion, and the joint portion can be held, the number of components can be reduced.

  In the ventilator described above, the air outlets are preferably formed in a lattice shape when viewed from the tip. Since the air outlet is formed in a lattice shape when viewed from the tip, the directivity of the air blown out from the lattice air outlet can be improved. Therefore, the direction of the air blown out from the blowout port can be controlled more accurately.

  Preferably, the ventilator includes a cover member that continuously covers a part of the outer periphery of the fin portion and the tip of the case portion so that the opening area decreases toward the tip portion. Since the cover part continuously covers a part of the outer periphery of the fin part and the tip of the case part, it is possible to prevent air from leaking between the fin part and the case part. Since the cover portion is formed so that the opening area becomes smaller toward the tip portion side, air can be efficiently supplied to the air outlet provided at the tip portion.

  As described above, according to the present invention, a ventilator with good operability of the fin portion can be provided.

It is a schematic perspective view of the ventilator in one embodiment of the present invention. It is a schematic front view of the ventilator in one embodiment of the present invention. It is a schematic sectional drawing which follows the III-III line of FIG. It is a general | schematic disassembled perspective view of the ventilator in one embodiment of this invention. It is a schematic front view of the case part in one embodiment of the present invention. It is a schematic front view of the fin part in one embodiment of the present invention. It is a schematic front view of the joint part in one embodiment of the present invention. It is a schematic perspective view which shows the state in which a part of fin part in one embodiment of this invention was received by the case part.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
First, the configuration of a ventilator according to an embodiment of the present invention will be described.

  With reference to FIG. 1 and FIG. 2, the ventilator 1 mainly includes a case portion 10, a fin portion 20, a joint portion 30, and a cover portion 40. The ventilator 1 is configured to be able to adjust the direction of the flow of air blown out from the air outlet 22 of the tip portion 21 of the fin portion 20 in the vertical direction (arrow Y direction in the figure) and the horizontal direction (arrow X direction in the figure). Yes. Note that the vertical and horizontal directions are relatively defined, and one of the two orthogonal directions corresponds to the vertical direction, and the other corresponds to the horizontal direction. In addition, since the cover part 40 is a member for supplying air efficiently to the blower outlet 22 of the front-end | tip part 21, it does not need to be used.

  The ventilation path 5 is provided continuously from the rear end of the case part 10 to the tip part 21 of the fin part 20. The inside of the case part 10 forms a part of the ventilation path 5. The fin part 20 has the blower outlet 22 in the front-end | tip part 21. As shown in FIG. The fin portion 20 defines a part of the ventilation path 5 connected to the air outlet 22.

  The tip of the case portion 10 and a part of the outer periphery of the fin portion 20 are continuously covered with the cover portion 40. More specifically, the tip of the case portion 10 is covered with the base member 41 of the cover portion 40. A part of the outer periphery of the fin portion 20 is covered with a cover member 44 of the cover portion 40. The cover part 40 is formed so that the area (opening area) of the opening 45 becomes smaller toward the tip part 21 side of the fin part 20. More specifically, the cover member 44 of the cover part 40 is provided along a part of the outer shape of the fin part 20 so that the area of the opening 45 decreases toward the tip part 21 side of the fin part 20.

  Referring to FIGS. 2 and 3, case portion 10 and fin portion 20 are connected by a joint portion 30 so as to be rotatable in the vertical and horizontal directions. That is, the fin part 20 is provided so as to be rotatable in the vertical and horizontal directions with respect to the case part 10 via the joint part 30. The fin portion 20 is mounted in the case portion 10 in a state where a part of the fin portion 20 is received by the case portion 10 by the joint portion 30, and is movably attached to the tip of the case portion 10.

  The joint portion 30 is disposed in the ventilation path 5 and at the center in the diameter direction of the case portion 10. The joint portion 30 has a first shaft 31 connected to the fin portion 20 and a second shaft 32 connected to the case portion 10. The second shaft 32 extends in a direction intersecting with the first shaft 31. The joint portion 30 is configured to support the fin portion 20 so as to be rotatable about the first shaft 31 and the second shaft 32 with respect to the case portion 10. The joint part 30 may be made of, for example, a soft resin, rubber, or polyester elastomer.

  The friction coefficient of the sliding part with the case part 10 or the fin part 20 of the joint part 30 is set so that it may become higher than the friction coefficient of either the case part 10 or the fin part 20 which can be rotated in a gravitational direction.

  A support member 13 extending from the rear end of the case portion 10 toward the front end is provided in an inner region of the case portion 10. The support member 13 has two plate-like shapes arranged so as to sandwich the plate-like intermediate member 16. A mounting hole 14 is provided at the distal end portion of the support member 13. The joint portion 30 is disposed so as to be sandwiched between the intermediate members 16. The second shaft 32 is rotatably attached to the attachment hole 14. Since the mounting hole 14 is disposed in the left-right direction (arrow X direction in FIG. 1) with respect to the case portion 10, the joint portion 30 rotates in the vertical direction (arrow Y direction in FIG. 1) with respect to the case portion 10. It is attached as possible.

  The fin portion 20 includes an upper and lower wall member 23 arranged in the vertical direction (arrow Y direction in FIG. 1) and a left and right wall member 24 arranged in the left and right direction (arrow X direction in FIG. 1). In the fin portion 20, a shaft member 25 is provided on the side opposite to the tip portion 21 with respect to the upper and lower wall members 23. The shaft members 25 are arranged so as to face each other across a space in the vertical direction (the arrow Y direction in FIG. 1). An insertion member 26 is provided so as to extend from the shaft member 25 in a direction facing each other. The insertion member 26 has a cylindrical shape. A first shaft 31 is rotatably attached to the insertion member 26. The insertion member 26 is inserted into the insertion hole 31 a of the first shaft 31 so as to be rotatable in the circumferential direction of the insertion member 26. Since the first shaft 31 extends in a direction intersecting the second shaft 32, the fin portion 20 can be rotated in the left-right direction (arrow X direction in FIG. 1) with respect to the case portion 10 via the joint portion 30. It is attached.

  A cover unit 40 is attached to the case unit 10. The protruding member 42 of the cover part 40 is inserted into the insertion frame member 17 of the case part 10. The cover member 44 of the cover part 40 is provided along a part of the outer shape of the fin part 20. An opening 45 is provided at the tip of the cover member. The front end portion 21 of the fin portion 20 protrudes from the opening 45. The fin part 20 is arrange | positioned so that it may not contact the cover part 40, when the fin part 20 rotates.

  Referring to FIGS. 4 and 5, case portion 10 has a cylindrical shape in its outer shape. A frame member 11 is provided at the rear end of the case portion 10. The frame member 11 has an opening 12. The frame member 11 is formed in a lattice shape when viewed from the support member 13. The support member 13 is disposed at the center of the cylindrical shape of the case portion 10 in the diameter direction. A taper portion 15 for facilitating insertion of the second shaft 32 of the joint portion 30 into the mounting hole 14 is provided at the tip of the support member 13. The tapered portion 15 is formed so that the thickness decreases from the mounting hole 14 toward the tip.

  An insertion frame member 17 for inserting the protruding member 42 of the cover portion 40 is provided at a part of the outer edge of the case portion 10. Two insertion frame members 17 are provided and are arranged so as to face each other with respect to the support member 13.

  A claw member 18 for locking the locking groove 43 of the cover portion 40 is provided on the outer periphery of the case portion 10. The claw member 18 has a tapered shape whose thickness decreases toward the tip of the case portion 10. Further, the claw member 18 has a flat shape on the rear end side of the case portion 10 from the tapered shape. The claw member 18 is configured to be inserted into the locking groove 43 from the tapered shape side and locked at the flat portion. Four claw members 18 are provided, and two sets of two claw members 18 arranged to face the support member 13 are provided. These two sets are arranged in a direction crossing each other with respect to the support member 13.

  An opening 19 is provided on the distal end side of the case portion 10. The case portion 10 is configured to receive a part of the fin portion 20 in the opening 19.

  Referring to FIGS. 4 and 6, fin portion 20 has a convex shape so as to protrude toward tip portion 21. A plurality of upper and lower wall members 23 and left and right wall members 24 are arranged in a lattice shape when viewed from the distal end portion 21. The air outlets 22 are formed in a lattice shape when viewed from the front end portion 21.

  The fin portion 20 includes a shaft member 25 and an insertion member 26 for holding the joint portion 30. A tapered portion 27 for facilitating insertion of the insertion member 26 into the insertion hole 31 a of the first shaft 31 is provided at the distal end of the insertion member 26 provided so as to protrude from the shaft member 25. The tapered portion 27 is formed so that the diameter decreases toward the tip of the insertion member 26. The fin portion 20 is configured such that a part of the rear end side of the fin portion 20 is received in the case portion 10 from the opening 19 of the case portion 10.

  With reference to FIGS. 4 and 7, the first shaft 31 and the second shaft 32 of the joint portion 30 are provided in the intersecting direction. The first axis is provided along the vertical direction (arrow Y direction in FIG. 1). The second axis is provided along the left-right direction (the arrow X direction in FIG. 1). In the joint part 30, at least one of the first shaft 31 and the second shaft 32 is male. In the joint portion 30 shown in FIG. 7, the second shaft 32 is formed in a male shape. The first shaft 31 is formed in a female shape. The male shape means that it is formed in a convex shape so that it can be inserted into an acceptable object. The female shape means that it is formed in a concave shape so as to accept an insert. The length L1 of the female first shaft 31 is formed to be longer than the length L2 of the male second shaft 32.

  The first shaft 31 has a cylindrical shape. The insertion hole 31a has a diameter with which the outer peripheral surface of the insertion member 26 of the fin portion 20 can slide. The insertion hole 31a has a depth into which the insertion member 26 can be inserted. The insertion hole 31a may be formed so as to penetrate the first shaft 31. A taper portion 31b for facilitating insertion of the insertion member 26 of the fin portion 20 into the insertion hole 31a is provided at a part of the tip of the first shaft 31. The taper portion 31b is formed so as to cut out a part of the outer peripheral edge of the upper end of the first shaft 31 obliquely.

  The second shaft 32 has a cylindrical shape. The second shaft 32 has a diameter with which the inner peripheral surface of the mounting hole 14 of the case portion 10 can slide. A tapered portion 32 a for facilitating insertion of the second shaft 32 into the mounting hole 14 of the case portion 10 is provided at the tip of the second shaft 32. The tapered portion 32 a is formed so that the diameter decreases toward the tip of the second shaft 32.

Then, an example of the assembly method of the ventilator 1 is demonstrated.
4 and 6, the insertion member 26 is inserted into the insertion hole 31a by sliding the tapered portion 27 of the fin portion 20 and the tapered portion 31b of the joint portion 30. Thereby, the fin part 20 and the joint part 30 are attached so that rotation is possible. The second shaft 32 is inserted into the mounting hole 14 by sliding the tapered portion 32 a of the second shaft 32 of the joint portion 30 with the fin portion 20 attached thereto and the tapered portion 15 of the case portion 10. Thereby, the joint part 30 and the case part 10 in the state in which the fin part 20 is attached are rotatably attached. In this way, as shown in FIG. 8, the fin portion 20 is attached to the case portion 10 so as to be rotatable in the vertical direction (arrow Y direction in FIG. 8) and the horizontal direction (arrow X direction in FIG. 8).

  Furthermore, with reference to FIG. 4 and FIG. 8, the cover part 40 is attached to the case part 10 from the fin part 20 side. The protruding member 42 of the cover part 40 is inserted into the insertion frame member 17 of the case part 10, and the locking groove 43 is locked to the claw member 18, so that the cover part 40 is attached to the case part 10. In this way, the ventilator 1 is assembled as shown in FIG.

Next, the operation of the ventilator according to one embodiment of the present invention will be described.
Referring to FIG. 1, for example, a blower pipe (not shown) is connected to the rear end of case portion 10, and air is supplied to ventilator 1 through a blower pipe from an air conditioner (not shown) connected to the blower pipe. In this state, the direction of the flow of air blown out from the outlet 22 of the tip end portion 21 by rotating the fin portion 20 in the vertical direction (arrow Y direction in the drawing) and the horizontal direction (arrow X direction in the drawing). Are adjusted vertically and horizontally.

  Referring to FIGS. 1 and 3, when an external force is applied to the fin portion 20 so as to rotate in the vertical direction in order to adjust the flow direction of the blown air in the vertical direction, the fin portion 20 is It rotates around the second shaft 32 integrally with the joint portion 30. At this time, the second shaft 32 rotates while the second shaft 32 and the mounting hole 14 slide. Thereby, the fin part 20 rotates in the up-down direction with respect to the case part 10. That is, as shown in FIG. 3, the fin portion 20 rotates from the position indicated by the solid line before the force is applied to the fin portion 20 to the position indicated by the broken line after the force is applied from the outside.

  With reference to FIG. 3 and FIG. 8, in order to adjust the flow direction of the blown air in the vertical and horizontal directions, when a force is applied from the outside so as to rotate in the vertical and horizontal directions, As for the fin part 20, the 1st axis | shaft 31 rotates integrally with the joint part 30, and the 2nd axis | shaft 32 also rotates. At this time, the first shaft 31 rotates while the insertion member 26 and the insertion hole 31a slide. Further, the second shaft 32 rotates while the second shaft 32 and the mounting hole 14 slide. As a result, the fin portion 20 rotates in the vertical and horizontal directions with respect to the case portion 10. As a result, the fin portion 20 rotates in an oblique direction with respect to the case portion 10. That is, as shown by the portion A in FIG. 8, the portion A rotates from the position indicated by the solid line before the force is applied from the outside to the fin portion 20 to the position indicated by the broken line after the force is applied from the outside. To do.

Next, the effect of the ventilator of one embodiment of this invention is demonstrated.
According to the ventilator 1 of one embodiment of the present invention, the joint portion 30 that supports the fin portion 20 so as to be rotatable with respect to the case portion 10 is located in the ventilation path 5 and in the center in the diameter direction of the case portion 10. Since it is arranged, the area where the fin part 20 and the case part 10 and the joint part 30 slide can be reduced. Therefore, it is possible to reduce the frictional resistance in the sliding portion between the fin portion 20 and the case portion 10 and the joint portion 30. Since the frictional resistance is small, the force required to rotate the fin portion 20 can be reduced. Moreover, since this frictional resistance is small, the loss (loss) of the force applied from the outside to the fin part 20 to rotate the fin part 20 is also small. For this reason, for example, fine adjustment of the position of the fin part 20 is easy. Therefore, the operativity of the fin part 20 can be improved.

  Conventionally, when the movable fin is rotated in the vertical and horizontal directions, the shaft hole and groove of the support frame slide with the shaft portion of the movable fin, and a part of the outer peripheral surface of the support frame and the inner periphery of the retainer A part of the surface slides. Therefore, when the movable fin is rotated in both the up and down and left and right directions, the portions that slide in the up and down direction and the left and right direction are largely separated from each other, so that it can be smoothly rotated in conjunction with the up and down and left and right directions. Have difficulty.

  On the other hand, in the ventilator 1 of the embodiment of the present invention, the joint portion 30 that supports the fin portion 20 with respect to the case portion 10 so as to be rotatable around the first shaft 31 and the second shaft 32 is the case portion. The first shaft 31 and the second shaft 32 are arranged close to each other because the ten shafts 10 are arranged at the center in the diameter direction. Since the first shaft 31 and the second shaft 32 are disposed close to each other, a force applied from the outside to rotate the fin portion 20 in the vertical and horizontal directions is applied to the first shaft 31 and the second shaft 32. Join in conjunction with both. For this reason, since the 1st axis | shaft 31 and the 2nd axis | shaft 32 rotate interlockingly, the fin part 20 can be rotated smoothly interlock | cooperated vertically and horizontally.

  Moreover, since the joint part 30 is arrange | positioned in the center of the diameter direction of the case part 10, even when the ventilator 1 is heated from the outside, the joint part 30 is hard to be influenced by heat. Therefore, the joint part 30 is not easily affected by a dimensional change. Thereby, the malfunction of rotation of the fin part 20 which generate | occur | produces by the malfunction by the dimension change of the joint part 30 can be suppressed.

  Moreover, since the joint part 30 is arrange | positioned in the center of the diameter direction of the case part 10, the case part 10 and the fin part 20 are connected in the center of the diameter direction of the case part 10. FIG. Therefore, no shaft or the like is formed on the outside of the case portion 10 for connecting to the fin portion 20. Therefore, since the case part 10 becomes large, the ventilator 1 can be reduced in size.

  In the ventilator 1 described above, the joint portion 30 is preferably such that at least one of the first shaft 31 and the second shaft 32 is male. When both the first shaft 31 and the second shaft 32 of the joint portion 30 are female, the joint portion 30 is connected to the case portion 10, the fin portion 20, and the first shaft 31 and the second shaft 32. It is difficult to widen the male spacing for insertion into the female form. Therefore, it is difficult to insert the male form into the female form with the male form interval widened. On the other hand, when at least one of the first shaft 31 and the second shaft 32 is a male shape, the one to be attached later of the first shaft 31 and the second shaft 32 is a male shape, and the male shape is pushed into the female shape. Thus, it is easy to insert the male form into the female form by widening the interval of the female form. Therefore, a joint part and a case part or a fin part can be easily attached by making at least one of the 1st axis | shaft 31 and the 2nd axis | shaft 32 into a male shape.

  In the ventilator 1 described above, the friction coefficient of the sliding portion of the joint portion 30 with the case portion 10 or the fin portion 20 is preferably based on the friction coefficient of the case portion 10 or the fin portion 20 that can rotate in the direction of gravity. high. Since the friction coefficient of the sliding part of the joint part 30 is high, the position of the fin part 20 in a rotated state is maintained by the frictional force between the case part 10 or the fin part 20 and the joint part 30 that can rotate in the direction of gravity. can do. Since the position where the fin part 20 is rotated can be held by the three parts of the case part 10, the fin part 20, and the joint part 30, the number of parts can be reduced.

  This point will be further described in comparison with the prior art. In the conventional ventilator, the cylindrical frame and the movable fin are integrally formed of synthetic resin and are made of the same synthetic resin. Since the synthetic resin constituting the cylindrical frame and the movable fin has a large volume, it is difficult to use an expensive material in consideration of productivity. On the other hand, a synthetic resin material having a high friction coefficient is expensive. That is, since it is difficult to use a material having a high friction coefficient for the synthetic resin constituting the cylindrical frame and the movable fin, the frictional force between the cylindrical frame and the movable fin is generally small. For this reason, it is difficult to maintain the position where the movable fin is rotated by the frictional force between the cylindrical frame and the movable fin.

  That is, when the movable fin is rotated, the movable fin is rotated around the shaft portion from the position where the movable fin is rotated by the rotational moment due to the weight of the movable fin. Therefore, in the ventilator of the above publication, a bush made of a rubber-like elastic body is fitted into any shaft portion of the movable fin. An appropriate operation load is applied to the rotation of the movable fin by the bush. That is, the ventilator is configured so that the movable fin does not rotate by the weight of the movable fin by the bush. However, since a bush is required, the number of parts increases.

  On the other hand, in the ventilator 1 of one embodiment of the present invention, as described above, the position of the fin part 20 in the rotated state is maintained by the three parts of the case part 10, the fin part 20, and the joint part 30. Therefore, the number of parts can be reduced.

  In addition, since the joint part 30 is arrange | positioned in the center of the diameter direction of the case part 10, the volume of the joint part 30 can be made small. Since the volume of the joint part 30 can be reduced, even if a high-cost material is used for the joint part 30, there is little influence on increasing the cost to the entire ventilator 1. Therefore, even if the cost is high, a synthetic resin material having a high friction coefficient can be used.

  In the ventilator 1 described above, the air outlets 22 are preferably formed in a lattice shape when viewed from the front end portion 21. Since the air outlet 22 is formed in a lattice shape when viewed from the tip portion 21, the directivity of the air blown out from the lattice air outlet 22 can be improved. Therefore, the direction of the air blown out from the blowout port 22 can be controlled more accurately.

  Preferably, the ventilator 1 includes a cover portion 40 that continuously covers a part of the outer periphery of the fin portion 20 and the tip of the case portion 10 and is formed so that the opening area decreases toward the tip portion 21 side. ing. Since the cover portion 40 continuously covers a part of the outer periphery of the fin portion 20 and the tip of the case portion 10, it is possible to prevent air from leaking between the fin portion 20 and the case portion 10. Since the cover portion 40 is formed so that the opening area decreases toward the tip portion 21 side, air can be supplied from the air outlet 22 provided in the tip portion 21.

  The above-described ventilator is typically applicable to a blowout part of an air conditioner. In particular, it is useful for the blowing part of an air conditioner mounted on a vehicle. However, the present invention can be applied to a gas blowing portion of any other apparatus.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  INDUSTRIAL APPLICABILITY The present invention can be applied particularly advantageously to a ventilator that is attached to a gas blowing unit such as an air conditioner and that can adjust the direction of the flow of the blown gas.

  DESCRIPTION OF SYMBOLS 1 Ventilator, 5 ventilation path, 10 case part, 11 frame member, 12 opening, 13 support member, 14 attachment hole, 15 taper part, 16 intermediate member, 17 insertion frame member, 18 claw member, 19 opening, 20 fin part, 21 tip part, 22 outlet, 23 upper and lower wall member, 24 left and right wall member, 25 shaft member, 26 insertion member, 27 taper part, 30 joint part, 31 first shaft, 31a insertion hole, 31b taper part, 32 second Shaft, 32a Taper part, 40 Cover part, 41 Base member, 42 Protruding member, 43 Locking groove, 44 Cover member, 45 Opening.

Claims (5)

A case portion having a cylindrical shape and defining a part of the ventilation path inside;
A front end has a blower outlet, defines a part of the ventilation path connected to the blower outlet, is mounted in the case part in a state where a part is received by the case part, and is movable at the front end of the case part The fin part attached to,
A first shaft connected to the fin portion, extending in a direction intersecting the first shaft, and connected to the case portion in the ventilation path and at the center in the diameter direction of the case portion. And a joint portion that rotatably supports the fin portion around the first shaft and the second shaft with respect to the case portion ,
A frame member having an opening is provided at the rear end of the case portion,
A support member is provided on the frame member so as to be arranged at the center in the diameter direction of the case part and to extend from the rear end of the case part toward the tip,
A ventilator in which the second shaft is attached to the support member .   The ventilator according to claim 1, wherein at least one of the first shaft and the second shaft is male.   The friction coefficient of the sliding part with the case part or the fin part of the joint part is higher than the friction coefficient of either the case part or the fin part that can rotate in the direction of gravity. The described ventilator.   The ventilator according to any one of claims 1 to 3, wherein the air outlet is formed in a lattice shape when viewed from the tip.   5. The apparatus according to claim 1, further comprising: a cover portion that continuously covers a part of the outer periphery of the fin portion and the tip of the case portion, and is formed so that an opening area decreases toward the tip portion. The ventilator described in Crab.

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