JP2010054084A - Circulator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To save the space of a circulator as a whole, with respect to the circulator of which a protective frame is mounted on a supporting base in a state that its angle is adjustable. <P>SOLUTION: The circulator includes a supporting section 2 disposed on an upper part of the base 1, an air distributing device 4 supported on the supporting section 2, the protective frame disposed around the air distributing device 4, and provided with a suction opening 14 on one side and an air distribution port 15 on the other side, and an angle adjusting mechanism 5. The protective frame 3 is mounted on the supporting section 2 rotatably around a central shaft 6. A stopper 24 energized to an outer side from the supporting section 2, is disposed on the supporting section 2, and a stopper receiving section 23 engageable with the stopper 24, is disposed in the protective frame 3. The supporting section 2 is inserted into the protective frame 3 from the suction opening 14 side of the protective frame 3 and journaled to the central shaft 6, and the angle adjusting mechanism is constituted by engaging the stopper 24 and the stopper receiving section 23, thus the total width of the device can be reduced to save the space. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a circulator that improves an indoor temperature difference by blowing air.

Conventionally, this type of circulator has a pair of left and right support portions erected on the upper surface of a base, and a ring-shaped protective frame is provided between the upper ends of these support portions. A fan is provided, and the center axis of the protective frame and the rotation center axis of the fan are provided to coincide with each other (for example, Patent Document 1).
Registered Utility Model Registration No. 3104900

  The circulator is used indoors and is preferably space-saving. However, in the prior art, the support portion is provided outside the protective frame, and the width of the support portion is required in addition to the diameter of the air passage, so that the overall width becomes larger than the air passage. It was a thing. Furthermore, it is necessary to provide an angle adjusting device between the tip of the support portion and the protective frame. As a result, it was not possible to save the space of the apparatus.

  An object of the present invention is to solve the above problems and to reduce the space of the entire circulator in a circulator in which a protective frame is attached to a support base so that the angle can be adjusted.

  According to the first aspect of the present invention, there is provided a support portion provided above the base, a blower device supported by the support portion, a suction port provided on one side of the blower device, and a blower port provided on the other side. In the circulator having a protective frame and an angle adjusting mechanism, the blower or the protective frame is attached to the support portion so as to be rotatable about a central axis, and is urged outward from the support portion to the support portion. A stopper receiving portion in which the stopper can be engaged is provided in the protective frame, and the support portion is inserted into the holding frame from the suction port side of the holding frame to pivot the central axis. The circulator is characterized in that the angle adjusting mechanism is configured by supporting and engaging the stopper and the stopper receiving portion.

  In the invention of claim 2, the stopper is urged in a direction protruding from the support portion by the urging means, and a plurality of the stopper receiving portions are provided along the circumferential direction around the central axis. The circulator according to claim 1, wherein a recess is provided.

  A third aspect of the present invention is the circulator according to the first or second aspect, wherein the support portion is formed of an elongated linear material protruding from the base toward the protective frame.

  The invention according to claim 4 is the circulator according to any one of claims 1 to 3, wherein the base and the support portion are integrally formed by a single wire.

  According to the first aspect of the present invention, since the support portion is located inside the protective frame, not only can the overall width of the apparatus be reduced to save space, but also the side of the protective frame Since the support is not arranged, the appearance can be simplified and the design can be improved.

  According to the invention of claim 2, by applying a force to the protective frame and selectively engaging the stopper with any of the plurality of concave portions, the protective frame can be easily moved in a desired direction. Can be held facing.

  According to the invention of claim 3, since the support portion can be made thin, it can contribute to downsizing of the apparatus.

  Furthermore, according to the invention of claim 4, the base and the support can be easily manufactured, the strength can be increased, and the base and the support can be further downsized. .

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

  1 to 5 show the first embodiment. The circulator is attached to a base 1 installed on a floor, a table, a wall or the like, a pair of left and right support parts 2 standing upward from the base 1, and an upper end part 2A of these support parts 2 and functions of an air guide tube And a blower device 4 provided in the protective frame 3. And between the upper end part 2A of the said support part 2 and the protection frame 3, the angle adjustment means 5 which adjusts the raising / lowering elevation angle of the said air blower 4 and by extension, the said protection frame 3, and is made into a stop state is provided.

  The base 1 and the support part 2 are formed by bending a single wire having a circular cross section, a pipe, or the like. That is, the base 1 and the support portion 2 are integrally formed. The stand 1 is formed in a C shape in plan view, and the support portion 2 is erected obliquely upward from the opening end portion of the stand 1 to the opposite side thereof, and its upper end portion On the 2A side, the protective frame 3, that is, the blower 4 provided in the inside thereof is supported. A central shaft 6 is provided slightly below the upper end 2A of the support 2. The central shaft 6 is provided on the support 2 so that the direction of the axis 6A is orthogonal to the longitudinal direction of the support 2. The central shaft 6 serves as a rotation center when the blower 4 rotates up and down. The base 1 is provided with a plurality of legs 1A so as not to damage the floor of the installation place.

  The blower 4 includes a motor 8 provided on one side with a rotating shaft 8A on which a propeller-shaped blade 7 is mounted, and a motor cover 9 that covers the rotating shaft 8A side of the motor 8 with the rotating shaft 8A protruding. It is equipped with. The blade 7 is fixed to the rotating shaft 8A by inserting the screw shaft 10 from one of the central portions and screwing the helical shaft 10 and the rotating shaft 8A.

  Further, the left and right side surfaces of the motor cover 9 are integrally provided with protrusions 9 </ b> A constituting the bearing 11 of the central shaft 6. The bearing 11 is provided on the left and right side surfaces of the motor 8. Further, the motor cover 9 is fixed to a fixing seat 20 described later by a first male screw member 12. Further, the bearing 11 is a groove (not shown) formed in the protrusion 9A protruding from the left and right side surfaces of the motor cover 9 and left and right, and a fixing seat 20 (described later) with the upper portion as an opening. Z)). Then, the center shaft 6 is inserted into the groove from the opening, the motor cover 9 is fixed to a fixing seat 20 (described later), and the opening is closed by the protrusion 9A. The central shaft 6 is pivotally supported, and the blower 4 can be raised and lowered with the central shaft 6 as a rotation center.

  The protective frame 3 has a cylindrical shape in which a suction port 14 is formed on one side and a blower port 15 is formed on the other side, and the central axis 3A thereof is formed so as to substantially coincide with the rotating shaft 8A. It is a thing. The protective frame 3 is formed so that its inner diameter is slightly larger than the diameter of the blade 7, and the length in the direction of the central axis 3 </ b> A is substantially the same as the diameter of the protective frame 3. Yes. In the embodiment, the diameter D1 of the blade 7 is larger than 75% of the length L of the protective frame 3 (D1> 0.75L), and the length L of the protective frame 3 and the protective frame 3 have substantially the same diameter D2 (L≈D2). Further, the blades 7 are located closer to the air blowing port 15 than the center of the central axis 3 </ b> A in the protective frame 3. A communication portion 16 that communicates the inside and outside of the protective frame 3 is formed by a plurality of slits on the side surface of the protective frame 3 and on the upstream side of the blade 7 (that is, the lower side in FIGS. 1 and 2). Has been. The suction port 14 is provided with a plurality of suction guide plates 17. These suction guide plates 17 are provided radially around the central axis 3 </ b> A, and gaps 17 </ b> A are provided between the suction guide plates 17. Further, a grill 18 provided with a plurality of air guide plates 18A is detachably attached to the air outlet 15. The air blowing guide plate 18 is provided in a spiral shape around the central axis 3A, and a gap 18B is provided between the air blowing guide plates 18A. A switch operation unit 19 for operating the motor 8 is provided on the outer peripheral surface of the protective frame 3.

  The blower 4 is fixed to a fixing seat 20 that is provided integrally with the suction guide plate 17 at the central portion inside the suction guide plate 17 and on the central axis 3A. That is, the air blower 4 is fixed to the protective frame 3 by placing the motor 8 constituting the air blower 4 on the fixing seat 20 and then fixing the motor 8 by the second male screw member 21. The Further, as described above, the motor cover 9 is fixed to the fixing receiving seat 20 by the first male screw member 12, so that the motor 8 is moved by the motor cover 9 and the fixing receiving seat 20. Surrounded. Thus, by fixing the blower 4, the stopper receiving portion 23 is mounted so that the central shaft 6 is at the center of the circular arc surface 22.

  The angle adjusting means 5 includes a thin and short rod-like stopper 24 provided on the upper end 2A of the support portion 2 and the stopper receiving portion 23 provided on the motor cover 9 and to which the stopper 24 can be selectively locked. Consists of. The stopper 24 will be described in detail. A bottomed concave hole 25 is formed in the distal end surface 2B of the support portion 2. The hole 25 is formed with an opening 25A in the distal end surface 2B, and is recessed in the length direction at the upper end 2A of the support 2. The depth from the opening 25A of the hole 25 to the bottom end is a dimension that does not reach the central axis 6. Then, the base end 24 A side of the stopper 24 is inserted into the hole 25, and a compression coil spring 26 is interposed between the bottom end of the hole 25 and the base end side of the stopper 24. As a result, the stopper 24 is urged outward in the length direction of the support portion 2 so that its tip 24B always protrudes from the opening portion 25A, and along the length direction of the support portion 2. It can be slid. The stopper receiving portion 23 fixes the motor cover 9 to the fixing receiving seat 20 with the first male screw member 12, so that both the left and right sides of the motor cover 9 of the blower 4 and the motor cover 9 And the fixing seat 20. The stopper receiving portion 23 is provided with a plurality of concave portions 27 on the arc surface 22 so as to be arranged in the circumferential direction around the axis 6A of the central shaft 6. The arc surface 22 is formed so that the included angle A is approximately 90 degrees with the axis 6A as the center. Moreover, the said some recessed part 27 is formed in the corrugated shape in five places on the said circular arc surface 22 in the Example. In the embodiment, the recesses 27 are formed intermittently and at equal intervals. In addition, you may provide the said recessed part 27 so that those surfaces may continue.

  Furthermore, the fixing receiving seat 20 is provided with a through hole 28 through which the support portion 2 passes and the upper end portion 2A thereof faces the stopper receiving portion 23. The through hole 28 is opposed to the stopper receiving portion 23 and is formed in a groove-like elongated shape. Then, the support portion 2 penetrates through the through-hole 28 so that the tip portion 2A of the support portion 2 is disposed inside the protective frame 3.

  Next, the effect | action is demonstrated about the said structure. By operating the switch operation unit 19, the motor 8 is operated, and the rotating shaft 8A, that is, the blade 7 attached to the rotating shaft 8A rotates. As the blades 7 rotate, air is sucked from the suction port 14 and discharged from the blower port 15. As a result, the air can be blown from the blower opening 15.

  The stopper 24 is engaged with any one of the recesses 27 of the stopper receiving portion 23, so that the orientation of the protective frame 3 to which the stopper receiving portion 23 is fixed is held at a predetermined angle. When the stopper 24 and the recess 27 are engaged in the state shown in FIG. 1, the central axis 3A of the protective frame 3 is substantially vertical, and the blowing direction is from bottom to top.

  In this state, when changing the direction of the central axis 3A of the protective frame 3, that is, the blowing direction, the protective frame 3 is moved by applying a force to the protective frame 3 so that the central axis 5 becomes the center of rotation. Then, the support part 2 swings in the through hole 28. At this time, the stopper 24 tries to slide along the circular arc surface 22, but the stopper 24 is attached to the compression coil spring 26 because the tip 24 B of the stopper 24 is in contact with the recess 27. Retreat against the forces. When the protective frame 3 is further rotated, the stopper 24 gets over the convex portion between the concave portions 27, so that the stopper 24 protrudes again by the urging force of the compression coil spring 26, and the adjacent concave portion 27 Engage with. By repeating this operation and engaging the stopper 24 with a predetermined recess 27 of the stopper receiving portion 23, the central axis 3A of the protective frame 3 to which the stopper receiving portion 23 is fixed is as shown in FIG. It is held diagonally upward or horizontally.

  As described above, in the above-described embodiment, the support portion 2 provided above the base 1, the blower device 4 supported by the support portion 2, and the suction port 14 provided on the periphery of the blower device 4. A protective frame provided with a blower port 15 on the other side and an angle adjusting mechanism 5, and the blower 4 or the protective frame 3 is attached to the support part 2 so as to be rotatable around a central axis 6. 2, a stopper 24 that is biased outward from the support portion 2 is provided, a stopper receiving portion 23 that can be engaged with the stopper 24 is provided in the protective frame 3, and the support portion 2 is attached to the holding frame. 3 is inserted into the holding frame 3 from the suction port 14 side to support the central shaft 6, and the angle adjusting mechanism 5 is configured by engaging the stopper 24 and the stopper receiving portion 23. The support 2 is inside the protective frame 3 Therefore, not only can the overall width of the device be reduced to save space, but the support is not disposed on the side of the protective frame, so the appearance can be simplified and the design can be improved. .

  Further, the stopper 24 is urged in a direction protruding from the support portion 2 by a compression coil spring 26 as an urging means, and the stopper receiving portion 23 is urged in a circumferential direction around the central axis 6. By providing a plurality of recesses 27 along the direction, a force is applied to the protection frame 3, and the stopper 24 is selectively engaged with any of the plurality of recesses 27, so that the protection frame 3 is desired. It can be easily held in the direction of

  Further, the support portion 2 is formed of an elongated linear material projecting from the base 1 toward the protective frame 3, and a stopper 24 is provided on the upper end 2 </ b> A of the support portion 2, whereby the support portion 2 can be made thin, which not only contributes to downsizing of the apparatus, but also the inside of the protective frame 3 is not greatly occupied by the support portion 2, and the inside of the protective frame 3 A large air passage area can be secured.

  In addition, since the base and the support portion are integrally formed of a single wire, the base and the support can be easily manufactured, and the strength can be increased. The body can be further reduced in size.

  As described above, the circulator according to the present invention can be applied to various uses.

It is sectional drawing which shows Example 1 of this invention. FIG. It is an exploded perspective view of the principal part same as the above. 3 is a perspective view of the protective frame 3 on the suction port 14 side. FIG. FIG.

Explanation of symbols

1 unit 2 support portion 2A upper end portion 3 protective frame 4 blower 5 angle adjustment mechanism 6 central shaft 6A axis 14 suction port 15 blower port 22 arc surface 23 stopper receiving portion 24 stopper 26 compression coil spring (biasing means)
27 recess

Claims (4)

A support part provided above the table, a blower supported by the support part, a protective frame provided around the blower and having a suction port on one side and a blower port on the other side, and angle adjustment In a circulator equipped with a mechanism,
The blower or the protective frame is attached to the support portion so as to be rotatable about a central axis, and a stopper is provided on the support portion to be biased outward from the support portion, and the stopper is engaged in the protective frame. The stopper receiving portion is provided, the support portion is inserted into the holding frame from the suction opening side of the holding frame, the center shaft is pivotally supported, and the stopper and the stopper receiving portion are engaged. A circulator comprising the angle adjusting mechanism.   The stopper is biased in a direction protruding from the support portion by a biasing means, and the stopper receiving portion is provided with a plurality of recesses along a circumferential direction centering on the central axis. The circulator according to claim 1.   3. The circulator according to claim 1, wherein the support portion is formed by an elongated linear material protruding from the base toward the protective frame.   The circulator according to any one of claims 1 to 3, wherein the base and the support portion are integrally formed by a single wire.

Images