JP3135347B2 - Wind direction adjustment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction adjusting device for an air outlet of an air conditioner or a ventilation system, and more particularly, to a device for eliminating air flow resistance of an air outlet and having excellent operability.
The present invention relates to a wind direction adjusting device having improved air blowing efficiency, and further relates to a wind direction adjusting device capable of obtaining various air blowing modes.

[0002]

2. Description of the Related Art A conventional general wind direction adjusting device includes a plurality of wind direction adjusting blades whose centers are pivotally supported in a case, which is connected to a connecting rod, and which is operated by operating the connecting rod. The whole is simultaneously rotated left and right or up and down about a pivot portion to adjust the wind direction. However,
In the wind direction adjusting device having such a configuration, when the large number of blades are in a rotated state, the wind traveling straight in the case changes its direction while repeating reflection on the blade surface, thereby causing a loss of air volume therebetween. Alternatively, there is a problem that noise is generated.

In order to solve such a problem, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. 51-2849, a large number of wind direction adjusting blades made of a leaf spring material are pressed toward the center from a longitudinal end thereof. Then, while being arranged side by side in the case in a state of being deformed in an arc shape, one end and the central part of each blade are in a fixed position, and the connecting rod connected to the other end of each blade is operated left and right, so that each There is one in which the direction of the wind is changed left and right while the arc surface of the blade is deformed in the opposite direction. Therefore, after changing the wind direction, each blade maintains an arc shape, and the wind traveling straight in the case flows along the arc surface of the blade and is blown out from the air outlet, so that there is little ventilation resistance and noise is generated. And the loss of air volume is reduced.

[0004]

However, in the wind direction adjusting device disclosed in the above-mentioned publication, pressure is applied to the wind direction adjusting blade made of a leaf spring material from both ends in the longitudinal direction toward the center to forcibly rotate the blade. It is mounted inside the case in an arcuate state, and the connecting rod can only move the same part to the left and right. When the adjustment blade is elastically deformed in the left-right direction, the mounting part of the case is susceptible to strong elastic force from the wind direction adjustment blade, the operability of the connecting rod is poor, and the bending direction of the wind direction adjustment blade changes. Because the wind direction adjusting blades always bend and deform into a wavy shape on the way,
It is impossible to make the wind direction adjusting blade smoothly have a desired curved shape.

Accordingly, in the case of the wind direction adjusting device disclosed in the above-mentioned publication, the final left and right deformation is possible if the operability is neglected, but the wind direction cannot be obtained in the middle, and the wind direction cannot be forced in the middle of the deformation. Even if the operation is stopped, there is no guarantee that the respective wind direction adjusting blades are uniformly deformed, and not only a desired wind direction cannot be obtained, but also the ventilation resistance increases and the air flow loss increases. Furthermore, the obtained air flow is always a parallel flow, and various blowing forms such as a diffusion flow and a concentrated flow cannot be obtained.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, to make it possible to change the direction and form of a blowout flow, to eliminate airflow resistance of an air blowout port, to obtain smooth operability, and to improve air blowout efficiency. An object of the present invention is to provide an improved wind direction adjusting device.

[0007]

In order to achieve the above object, the present invention relates to a wind direction adjusting device which is installed in an air blower such as an air conditioner and adjusts a direction of an air flow blown from the air blower. A case having an air outlet, a plurality of parallel air direction adjusting blades made of a flexible material rotatably supported at a substantially central portion of the case, and formed inside the case; A pair of guide portions that guide the upstream and downstream edge portions of the adjustment blade so as to be movable in the upstream and downstream directions, respectively, and a reverse movement mechanism that alternately moves the wind direction adjustment blade in a direction that intersects with the installation direction of the wind direction adjustment blade. The main configuration of the wind direction adjusting device is a linking means for linking the upstream side and the downstream side of the blade with each other.

[0008] In addition to the above means, the present invention further comprises a second reverse movement mechanism in which the wind direction adjusting blades are divided into two groups, and the front portions of the respective groups are alternately moved in a direction intersecting the installation direction. Sometimes.

[0009]

According to the reverse movement mechanism, that is, according to the preferred embodiment, when the motor is started, the link operating gear having the eccentric projection rotates via the drive gear, and the eccentric ring member having the eccentric projection also rotates via the rotating shaft. I do. Due to the rotation of the operating gear and the eccentric ring member, the protrusion cooperates with the substantially L-shaped upper and lower link members to alternately reciprocate the upper and lower link members in the case. The projections are arranged with a phase difference of 180 °, and reciprocate the upper and lower link members in opposite directions even when the operating gear and the eccentric ring member rotate in the same direction.

When a large number of vertical blades 8 are in a parallel state, the motor is started in this state to move the upper link member and the lower link member in opposite directions. The wind direction adjusting blades respectively connected to the ends are gradually curved leftward at the rear with the central shaft as a fulcrum, and gradually curved rightward at the front of the central shaft 8a. , S-shaped curved state. When the driving of the motor is further continued, the upper and lower link members 10 and 12 move in the opposite directions, and after returning the wind direction adjusting blades to the parallel state, they are deformed into an inverted S-shape.

When the wind direction adjusting blade is deformed as described above due to the reciprocating motion of the upper and lower link members, the sliding shaft projecting up and down from the front and rear ends of the blade is guided by long holes formed at the top and bottom of the case to move back and forth. It moves so that no excessive force is applied before and after the blade.

By reciprocating the upper and lower link members in the opposite directions in this manner, the wind direction adjusting blade is smoothly deformed into an S-shape or an inverted S-shape, so that the wind direction blown out from the air outlet can be easily changed right and left. At the same time, the linear flow sent from the air blower changes the wind direction along the curved surface of the blade without being interfered on the way, so that the loss of the air volume is reduced and the movement of the upper and lower link members can be moved to any position. When stopped, the amount of deformation of the blade can be set arbitrarily, and the wind direction can be set to an arbitrary direction within the deformation limit of the wind direction adjusting blade.

Further, in the present invention, the wind direction adjusting device is a second type.
When the first reverse movement mechanism is stopped and the second reverse movement mechanism is operated, the front part of the wind direction adjusting blades divided into two groups is arranged such that one group faces the center. At the same time, the other group also deforms toward the center, and a concentrated flow is obtained. When the second reverse movement mechanism is operated in the direction opposite to the above, the wind direction adjusting blade is deformed in the direction in which the two groups are separated from each other, and a diffusion flow is obtained.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments. FIG. 1 is a front view of a wind direction adjusting device showing a first embodiment of the present invention, FIG. 2 is an internal plan view of the device, FIG. 3 is a view of the device taken along the line AA, FIG. 5 is an operation explanatory view showing the internal mechanism when the wind direction is changed, and FIG. 6 is an exploded perspective view showing a drive unit of the wind direction adjusting blade of the same device.

In these figures, reference numeral 1 denotes a ventilator, and a motor unit 3 having an output shaft arranged vertically via a bracket is attached to a side surface of a case 2. A gear 4 fixed to the output shaft of the motor unit 3
a meshes with an operating gear 4b fixed to the upper end of a rotating shaft 5 arranged vertically on the side of the case 2. The rotation shaft 5 is rotatably supported by a pair of upper and lower shaft support brackets 2 d protruding from the side surface of the case 2. A first link operation projection 6a projects at an eccentric position on the upper surface of the operation gear 4b. An eccentric ring member 7 is tightly fitted and fixed to the lower end of the rotating shaft 5, and projects downward at a target eccentric position with the first link operation projection 6a of the eccentric ring member 7 interposed therebetween. The second link operating projection 6b is provided.

A large number of vertical blades 8 are arranged in parallel on the upper and lower inner wall surfaces of the case 2 via a central rotation shaft 8a at the center of the inside of the case 2. A large number of horizontal blades 9 are arranged in parallel on a wall surface via a left-right rotation shaft 9a.

The vertical blades 8 are made of a flexible elastic plate formed of a synthetic resin material or a metal material, and have the shaft portions 8a at the upper and lower ends of the central portion as described above. Sliding shafts 8 on the upper and lower ends
b, 8c. One of the horizontal blades 9 has the same structure as that of the related art which is also formed of a synthetic resin material or a metal material. A plurality of horizontal blades 9 are horizontally arranged at predetermined intervals, and the left and right Shaft 9a is case 2
Are rotatably supported between the side walls of the.

The case 2 is in the shape of a rectangular tube with front and rear openings, and the upper and lower shaft portions 8a of the vertical blade 8 are turned around the center of the upper and lower inner wall surfaces corresponding to the installation position of the vertical blade 8. Shaft holes 2a, 2a for movably fitting and supporting are formed, and sliding shafts 8b, 2b projecting from front and rear ends of the vertical blade 8 are formed.
Elongated holes 2b, 2c before and after the sliding shafts 8b, 8c are inserted into the upper and lower wall portions at positions corresponding to 8c, respectively.
Are formed. Further, link member insertion holes 11 are formed in the left and right side wall portions of the case 2 which intersect with an extension line connecting the rear upper end edges of the large number of vertical blades 8, and the insertion holes 11 are provided at both ends of an upper link member 10 described later. Is inserted so as to be able to advance and retreat. Similarly, link member insertion holes 13 are formed in the left and right side walls of the case 2 which intersect with the extension line connecting the front lower end edges of the many vertical blades 8, and the lower link members 12 described later are formed in the insertion holes 13. Are inserted so as to be able to move forward and backward.

The upper and lower link members 10 and 12 have the same shape, and one end of an elongated plate is bent at a right angle to form a substantially L-shape as a whole, and is provided on one surface of the bent end pieces 10a and 12a. Long grooves 10c and 12c are formed to engage the first and second link operation projections 6a and 6b, respectively. A first link operation projection 6a projecting from the operation gear 4b and a second link operation projection 6b projecting from the eccentric ring member 7 are engaged with the long grooves 10c and 12c, respectively. A pair of blade support members is provided on the side of the elongated portions 10b, 12b of the upper and lower link members 10, 12 on which the long grooves 10c, 12c are formed at an interval equal to the installation interval of the vertical blades 8. A plurality of sets 10d and 12d are projected, and the lower front edge and the upper rear edge of each blade 8 are sandwiched by the support members 10d and 12d.

According to the first embodiment having such a configuration,
When the motor unit 3 of the ventilator 1 is started, the operating gear 4b rotates via the gear 4a, and at the same time, the rotating shaft 5
The eccentric ring member 7 is also rotated via. Due to the rotation of the operating gear 4b and the eccentric ring member 7, the first and second link operating projections 6a, 6b cause the long grooves 10c,
The crank rotates while sliding inside 12c, and reciprocates the upper and lower link members 10 and 12 left and right. Since the first and second link operation projections 6a and 6b are arranged with a phase difference of 180 °, even if the operation gear 4b and the eccentric ring member 7 rotate in the same direction, the upper and lower link members 10 and 12 are mutually moved. Reciprocate in the opposite direction. The upper and lower link members 10, 12,
The drive mechanism constitutes the reverse movement mechanism of the present invention.

FIG. 2 shows the positional relationship between the first and second link operation projections 6a and 6b when a number of vertical blades 8 are in a parallel state. As shown in FIG.
6b is on a straight line parallel to the vertical blade 8. Now
In this state, when the motor unit 3 is started and the upper link member 10 is operated leftward in the drawing and the lower link member 12 is operated rightward in the drawing, the vertical blades 8
The blade support members 10d, 12d of 0, 12 are gradually curved leftward at the rear with the central shaft 8a as a fulcrum, and gradually curved rightward at the front of the central shaft 8a. When the second link operation projections 6a and 6b are on a straight line connecting the central shaft portions 8a of the respective vertical blades 8, the S-shaped maximum bending state is achieved as shown in FIG.

When the driving of the motor unit 3 is further continued, the vertical blades 8 are returned to the original shape and the upper and lower link members 1 are returned.
2 move rightward and leftward, respectively, and after passing the state shown in FIG. 2, the vertical blade 8 is deformed into an inverted S-shape from the above, and becomes the maximum curved state shown in FIG.

When the vertical blade 8 is deformed by the reciprocation of the upper and lower link members 10 and 12, the sliding shafts 8b and 8c vertically projecting from the front and rear ends of the blade 8 are connected to the elongated holes 2b and 2 of the case 2.
Since the vertical blade 8 is guided back and forth and moves forward and backward, the vertical blade 8 is smoothly deformed without applying any excessive force to the front and rear.

In the above embodiment, the motor unit 3
The upper and lower link members 10 and 12 are actuated by the driving of the vertical blade 8. However, even if the vertical blade 8 is manually operated with a dial or the like instead of the motor unit 3, the operability of the vertical blade 8 is smooth because the operability is reasonable for the above-described reason. It is possible to deform.

By vertically reciprocating the upper and lower link members 10 and 12 in this manner, the vertical blades 8 can be smoothly moved to S.
Since it can be deformed into a letter shape or an inverted S letter shape, not only can the wind direction blown from the ventilator 1 be easily changed to the left and right, but also the straight flow sent from the blower (not shown) is vertical without any interference on the way. Since the wind direction is changed along the curved surface of the blade 8, the loss of the air volume is reduced, and when the movement of the upper and lower link members 10, 12 is stopped at an arbitrary position, the deformation of the vertical blade 8 also stops halfway, so that It is possible to set the wind direction to any direction within the deformation limit of the vertical blade 8.

FIGS. 7 to 10 show a ventilator 1 'according to a second embodiment of the present invention. In this embodiment, the above-described mechanism of the ventilator 1 according to the first embodiment is used and a predetermined vertical blade 8' is used. Of the present invention is modified by deforming only the front end portion to the left and right, and a new blowing mode changing mechanism 30 for efficiently obtaining a concentrated flow and a diffused flow is added.

FIG. 7 is an internal side view of the second embodiment, FIG. 8 is an internal front view of the same, and FIGS. 9 and 10 are internal top views of the same. In these drawings, the portions denoted by the same reference numerals as those of the first embodiment shown in FIGS. 1 to 7 indicate substantially the same portions, and therefore, in the following description, the first embodiment will be described. The detailed description of the same parts will be omitted, and new constituent parts will be described in detail.

The ventilator 1 'according to the second embodiment.
The difference between the ventilator 1 and the ventilator 1 of the first embodiment is that the box-shaped frame portion 20 that supports and accommodates the change mechanism 30 from the front end of the lower wall of the case 2 in the first embodiment downward. This is the point that it is extended integrally, and that it has a change mechanism 30 for changing the form of the blow-off flow from a parallel flow to a concentrated flow or a diffused flow. It has a modified structure.

The box-shaped frame portion 20 is shown in FIGS.
The upper and lower sliding shafts 8c 'in front of vertical blades 8', which will be described later, are formed on the upper and lower walls of the upper and lower walls. Is formed in such a manner that the front end of the long hole 2c in the first embodiment communicates with the center of the arc-shaped hole.
Further, a front portion inside the box-shaped frame portion 20 (FIG. 7)
A support member 21 for horizontally and rotatably supporting an operation shaft portion 31 described later is provided vertically downward from the lower surface of the case lower wall. Further, in the rear of the inside of the box-shaped frame portion 20, an upper and lower rack body 3 described later is provided.
A pair of front and rear guide plates 22 and 23 for slidingly guiding left and right in the horizontal direction are suspended from the lower surface of the lower wall, and the shaft portions are provided at the centers of the guide plates 22 and 23. Shaft support holes 24 and 25 for rotatably supporting the tip of 31 are formed.

The changing mechanism 30 of the blowing mode has an operation knob 34 at one end and an operation shaft portion 31 having a rack gear 35 at the other end, and upper and lower rack bodies 32 and 33 meshing with the rack gear 35 above and below. Consists of According to the illustrated embodiment, the upper rack body 32 is made of a substantially F-shaped plate having the front surface of the lower surface as a rack surface, as shown in FIGS. It is made of a substantially F-shaped plate material. And the main body 3 of the upper and lower rack bodies 32, 33
Branch pieces 32b, 33b extending at right angles from 2a, 33a
Are formed with long holes 32c, 33c long in the longitudinal direction.

Although the overall shape of the vertical blade 8 'is not different from that of the vertical blade 8 of the first embodiment, according to the present embodiment, the front sliding shaft 8c' is vertically moved as shown in FIG. The racks 32, 33 are formed longer than the other central shaft portions 8a and the rear sliding shafts 8b by the lengths inserted into the long holes 32c, 33c.

When the rack gear 35 is fitted between the pair of front and rear guide members 22 and 23, the operation shaft 31 is attached to the support member 21 and the guide plate 22 in the case 2 'constructed as described above. , 23 horizontally and rotatably supported. Further, between the guide plate members 22 and 23, the rack gear 35 meshes with the upper and lower rack members 32 and 33.
Are arranged in the wrong state, and the respective elongated holes 32c, 32c, formed in the respective branch pieces 32b, 33b of the both rack bodies 32, 33.
The lower end of the front sliding shaft 8c 'of each vertical blade 8 is rotatably and movably fitted to and supported by 33c. On the other hand, the upper end of the sliding shaft 8c 'is fitted and supported in the insertion hole 2c' formed in the upper wall of the case 2 ', and the lower end of the sliding shaft 8c' is formed in the lower wall of the case 2 '. The front ends of the racks 32 and 33 are fitted and supported by the elongated holes 32c and 33c as described above.

It should be noted here that the plurality of vertical blades 8 are divided into two groups in the present invention. That is, according to the above-described embodiment, of the five vertical blades 8 ′, the left and right vertical blades 8 ′ except for the central one are divided into two, and each of the vertical blades 8 ′ is divided into the respective branch pieces 32 of the rack bodies 32 and 33.
b and 33b, and are supported via the long holes 32c and 33c. In this embodiment, since the number of the vertical blades 8 'is an odd number (five), the central one is not involved in the concentrated flow and the diffused flow. However, when the total number of vertical blades 8 'is an even number, the vertical blades 8' are divided into the same number on the left and right.

According to the ventilator 1 'of the second embodiment constructed as described above, the motor unit is in a state where both link operation projections 6a and 6b are on a straight line parallel to the vertical blade 8' (see FIG. 9). When the driving of the operation knob 3 is stopped and the operation knob 34 is rotated left and right, the upper and lower rack bodies 32 and 33 alternately move in opposite directions via the rack gear 35. As a result, the front ends of the vertical blades 8 'supported by the racks 32 and 33 receive forces that cause deformation in the opposite direction for each group. At this time, at the front of the central shaft portion 2a of the vertical blade 8 ', the portion of the front link member 12 supported by the blade support member 12d is fixed, and the front end sliding shaft 8c of the vertical blade 8' is fixed. ′ Can move inside the insertion hole 2c ′ of the case 2 ′ in an arc shape at both the upper and lower ends, so that the front end of the vertical blade 8 ′ is
Curved and deformed left and right with the part supported by the fulcrum as a fulcrum.

That is, in FIG. 8, when the operation knob 34 is rotated rightward, the upper rack body 32 moves leftward,
At the same time, the lower rack body 33 moves rightward. As a result, as shown by the broken lines in FIG. 10, the front portions of the left and right vertical blades 8 'are deformed toward the center, while the two right blades are also deformed toward the center. At this time, the air blown out from the air outlet becomes a concentrated flow. Here, when the operation knob 34 is rotated to the left, the upper and lower racks 32 and 33 move in the opposite direction to the above, and the vertical blade 8 'passes through the state (parallel flow) shown in FIG. Are deformed toward the left, and the two on the right are deformed toward the right to obtain a diffuse flow.

In the illustrated embodiments, the vertical blades are all described. However, it is obvious that the wind direction adjusting device of the present invention can be applied to horizontal blades. In addition, the above-described embodiments illustrate the present invention, and various modifications can be made without departing from the spirit of the present invention.

In the second embodiment, instead of the insertion hole 2c 'having a shape in which a circular arc hole and a long hole intersect, the insertion hole may have an oval shape that is long horizontally. In this case, if the relationship between the relative movement positions of the upper and lower rack bodies 32 and 33 is set in advance to an appropriate one, for example, first, the motor unit 3a is activated to change the vertical blade 8 'to the S-shape as described above. Then, by operating the operation knob 34, the vertical blade 8 'can be obtained.
Is deformed so as to obtain a desired blowout form of the concentrated flow or the diffusion flow, both the wind direction in the left-right or up-down direction and the blowout form of the concentrated flow or the diffusion flow are simultaneously and at an arbitrary angle. It is possible to obtain.

[0038]

As is apparent from the above description, the wind direction adjusting device of the present invention can reliably and smoothly operate the direction of the blown air or the form of the blown air separately or simultaneously at an arbitrary angle by an extremely simple operation. It can be changed.

[Brief description of the drawings]

FIG. 1 is a front view of a ventilator showing a first embodiment of the present invention.

FIG. 2 is an internal plan view of the ventilator.

FIG. 3 is an internal side view of the ventilator.

FIG. 4 is an operation explanatory view of the ventilator.

FIG. 5 is an operation explanatory view of the ventilator.

FIG. 6 is an exploded perspective view of a wind direction changing mechanism of the ventilator.

FIG. 7 is an internal side view of a ventilator showing a second embodiment of the present invention.

FIG. 8 is an internal front view of the ventilator.

FIG. 9 is a bottom view showing the inside of the box-shaped frame portion of the ventilator.

FIG. 10 is an operation explanatory view of the ventilator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ventilator 2, 2 'Case 2a Center hole 2b Rear slot 2c Front slot 2c' Front insertion hole 2d Support bracket 3 Motor unit 4a Gear 4b Operating gear 5 Rotating shaft 6a First eccentric projection 6b Second eccentric projection 7 Eccentric ring member 8, 8 'Vertical blade 8a Central shaft portion 8b Rear sliding shaft 8c, 8c' Front sliding shaft 9 Horizontal blade 9a Shaft portion 10, 12 Vertical link member 10a, 12a Bending end piece 10b, 12b Long Part 10c, 12c Long groove 10d, 12d Blade support member 11, 13 Link insertion hole 20 Box frame 21 Support member 22, 23 Guide plate 24, 25 Shaft support hole 30 Change mechanism 31 Shaft portion 32, 33 Upper and lower rack 32a, 33a Rack body 32a, 33a Branch piece 32c, 33c Slot 34 Operation knob 35 Rack gear

Claims (2)

(57) [Claims] 1. A wind direction adjusting device installed in an air blower such as an air conditioner for adjusting a direction of an air flow blown out of the air blower, comprising: a case (2) having an air blower; A plurality of parallel air direction adjusting blades (8) made of a flexible material rotatably supported at substantially the center of the case (2).
A pair of guide portions (2b, 2c) formed in the case (2) for guiding the upstream and downstream edges of the wind direction adjusting blade (8) movably in the upstream and downstream directions, respectively; Interlocking means (3, 4) for providing a reverse movement mechanism for alternately moving the wind direction adjusting blade (8) in a direction intersecting the installation direction of the wind direction adjusting blade (8), and for interlocking the upstream side and the downstream side of the blade (8), respectively;
a, 4b, 7, 10, 12, 10d, 12d). 2. A second reverse movement mechanism which, in addition to the reverse movement mechanism, divides the wind direction adjusting blades (8 ') into two groups and alternately moves the front portion of each group in a direction intersecting the installation direction. The wind direction adjusting device according to claim 1, further comprising a second interlocking means (20, 30) provided with: