JP4698649B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner, and more particularly to a structure for mounting a fan guard to a main body that suppresses tentacles to a blower fan.

Conventionally, in order to provide an air conditioner having a fan guard holding member that has a simple configuration and is easy to attach and detach to the main body, the left and right wind direction plate bases on which the left and right wind direction plates are installed A fan guard holding member having a lower holding claw, a front holding claw, and a rear holding claw formed in a streamlined shape in the flow direction is formed, and a fan is formed by a lower surface of the left and right wind direction plate base and an upper end surface of the lower holding claw. There has been proposed an air conditioner in which the horizontal portion of the vertical beam of the guard is held by the rear surface of the front holding claw and the front surface of the rear holding claw, respectively (see, for example, Patent Document 1).
JP 2005-188881 A

  However, in the conventional air conditioner described in Patent Document 1, the horizontal portion of the vertical beam of the fan guard is held by the rear surface of the front holding claw and the rear side by the lower surface of the left and right wind direction plate base and the upper end surface of the lower holding claw. Since the vertical part of the vertical beam is held by the front surface of the nail, it is difficult to attach the fan guard to the left and right wind direction plate bases. Further, when the fan guard is attached to the left and right wind direction plate base, the vertical portion of the vertical beam of the fan guard is pushed and widened, so that it is easily deformed. Furthermore, there was a problem that it was difficult to remove during recycling.

  The present invention has been made to solve the above-described problems, and has attempted to simplify the size and shape of the fan guard and improve the workability of mounting the fan guard to the left and right wind direction plate bases. An object is to provide an air conditioner.

  An air conditioner according to the present invention includes a main body having a suction port for sucking indoor air, a blowout port for blowing conditioned air into the room, and an air passage communicating the suction port and the blowout port, and the air passage. A fan guard that is provided at the blower outlet toward the blower fan and suppresses tentacles to the blower fan, a left and right wind direction plate that is provided at the blower outlet and changes the wind direction in the left and right direction, and a fan guard. A left and right wind direction plate is pivotally attached to the main body, and the fan guard includes a plurality of vertical bars formed in a U-shape, and a plurality of vertical beams. The left and right wind direction plate bases are composed of a vertical beam engaging portion in which the U-shaped opposite side of the vertical beam is rotatably engaged and a horizontal beam engaging portion into which one of the horizontal beams is pushed. It is characterized by comprising.

  With the above configuration, the air conditioner according to the present invention can manage the dimensions of the fan guard and simplify the mold shape. In addition, the workability of attaching the fan guard to the left and right wind direction plate base can be improved.

Embodiment 1 FIG.
FIGS. 1 to 13 are views showing the first embodiment. FIG. 1 is a perspective view showing the overall configuration of the air conditioner 1, FIG. 2 is a longitudinal sectional view of the air conditioner 1, and FIG. 3 is a left and right wind direction plate assembly 30a. 4 is a perspective view in which the angle of FIG. 3 is changed and the left and right wind direction plates 8 are removed, FIG. 5 is a perspective view of the fan guard 10a, and FIG. 6 is a perspective view of the left and right wind direction plate base 11a as viewed from below. 7 is an enlarged view of the vicinity of the holding piece 26 in FIG. 6, FIG. 8 is a plan view of the left and right wind direction plate base 11a as viewed from below, FIG. 9 is a plan view of the left and right wind direction plate base 11a as viewed from above, and FIG. FIG. 11 is a partially enlarged view of FIG. 4, FIG. 12 is a cross-sectional side view showing a method of attaching the fan guard 10a to the left and right wind direction plate base 11a, and FIG. 12 is a partially enlarged view of FIG.

  The whole structure of the air conditioner 1 is demonstrated easily by FIG.1 and FIG.2. An air conditioner 1 (indoor unit) blows out conditioned air heat-exchanged with a refrigerant of a refrigeration cycle by a heat exchanger 5 into a room, and a suction port 2 that sucks room air into a main body 20 (also referred to as a casing). It has the blower outlet 3, and the air path 4 which connects the suction inlet 2 and the blower outlet 3. As shown in FIG. The air passage 4 is provided with a blower fan 6 that blows air at a substantially central portion of the main body 20. Further, a heat exchanger 5 is provided in the air passage 4 so as to surround the blower fan 6.

  An upper and lower wind direction plate 9 that changes the wind direction in the vertical direction of the wind is provided at the mouth of the air outlet 3. The up-and-down air direction plate 9 is removable for cleaning the air passage 4, for example. Since a well-known thing is used for the up-and-down wind direction board 9, detailed description of a structure is abbreviate | omitted.

  In the blower outlet 3, a left and right wind direction plate assembly 30 a (right side) and a left and right wind direction plate assembly 30 b (left side) are provided on the upstream side of the up and down wind direction plate 9 and near the blower fan 6. The left and right wind direction plate assembly 30 a and the left and right wind direction plate assembly 30 b are separately arranged on the left and right sides of the vicinity of the central portion of the air outlet 3. And the left-right wind direction board assembly 30a and the left-right wind direction board assembly 30b are the structures which open ahead from the center part vicinity of the blower outlet 3, respectively after removing the up-and-down wind direction board 9 like a door. When the left and right wind direction plate assembly 30a and the left and right wind direction plate assembly 30b are opened forward, the air passage 4 can be cleaned.

  The configurations of the left / right wind direction plate assembly 30a and the left / right wind direction plate assembly 30b are substantially the same. Therefore, the left and right wind direction plate assembly 30a will be described below, and the description of the left and right wind direction plate assembly 30b will be omitted.

  The present embodiment is characterized in the structure in which the fan guard 10a is attached to the left and right wind direction plate base 11a in the left and right wind direction plate assembly 30a. The left and right wind direction plates 8 are known ones. The left and right wind direction plates 8 are attached to the wind path wall (a part of the main body 20) on the back side of the drain pan 7.

  As shown in FIG. 3 (see also FIG. 4), the left and right wind direction plate assembly 30a includes a left and right wind direction plate base 11a, a left and right wind direction plate 8 rotatably attached to the left and right wind direction plate base 11a, and a left and right wind direction plate base. And a fan guard 10a detachably attached to 11a. The positional relationship between the left and right wind direction plates 8 and the fan guard 10 a is arranged such that the left and right wind direction plates 8 are close to the blower fan 6. The fan guard 10 a is located on the downstream side (front side) of the left and right wind direction plate 8. The reason will be described later.

  The configuration of the fan guard 10a will be described with reference to FIG. The fan guard 10a includes a plurality of U-shaped vertical bars 22 (three in the example of FIG. 5) and a plurality of horizontal bars 21 based on a straight line (six in the example of FIG. 5). An iron wire having a thickness of about 1 mm is used for the wire. Three U-shaped vertical bars 22 and six horizontal bars 21 are fixed by welding. Next, at the right end in FIG. 5, the four end portions except the two on the horizontal rail 21 are bent toward the left and right wind direction plates 8. At the left end of FIG. 5, the five end portions except for the one on the crosspiece 21 are bent toward the left and right wind direction plates 8. Further, the lowermost crosspiece 21 includes rising portions 21a at both ends. The ends of other horizontal rails 21 (three on the right side and four on the left side) are welded to the rising portion 21a. After welding, finish by painting.

  Each of the vertical bars 22 includes a vertical portion 22a (two) and a horizontal portion 22b. Each of the vertical portions 22a (two) and the horizontal portion 22b forms a U-shape.

  The distance between adjacent crosspieces 21 is set to 9 mm or less. The distance between the horizontal portion 22b of the vertical beam 22 and the adjacent horizontal beam 21 is the same. By setting it to 9 mm or less, it is possible to prevent a person's finger from entering between the horizontal rails 21. The left and right wind direction plate assembly 30 a is near the blower fan 6. For example, the distance between the fan guard 10a and the blower fan 6 is about 30 mm at the closest place (the left and right ends of the fan guard 10a). If a person accidentally puts the hand into the air passage 4, the blower fan 6 may be touched. In order to eliminate this danger, the fan guard 10a having the above-described configuration is provided in the left and right wind direction plate assembly 30a.

  The reason why the fan guard 10a is located downstream of the left and right wind direction plates 8 will be described. For example, as shown in FIG. 3, the upper portion of the fan guard 10a is fixed to the left and right wind direction plate base 11a. Therefore, since the lower part and the left and right end parts are not fixed, it is easy to bend when a force is applied from the front. If the left and right wind direction plate 8 is not between the blower fan 6 and the fan guard 10a, the fan guard 10a may hit the blower fan 6 and the blower fan 6 may be deformed. If the left and right wind direction plate 8 exists between the blower fan 6 and the fan guard 10a, even if the fan guard 10a is pushed from the front and deformed, it hits the left and right wind direction plate 8 and does not affect the blower fan 6.

  Next, the configuration of the left and right wind direction plate base 11a will be described with reference to FIGS. The part mainly related to the mounting of the fan guard 10a will be described. The left and right wind direction plate base 11a has a substantially flat plate shape as a whole. A plurality of substantially trapezoidal concave portions 23 are formed in one of the two long sides (front side) in the short side direction of the left and right wind direction plate base 11a. The base of the trapezoid is open. The arrangement of the recesses 23 corresponds to the arrangement of the vertical bars 22 of the fan guard 10a. That is, the two vertical portions 22 a of the U-shaped vertical rail 22 are disposed in the recess 23.

  Further, a flange 29 (see also FIGS. 4 and 11) is formed at the edge of the long side of the left and right wind direction plate base 11a where the recess 23 is provided. Moreover, the top side of the substantially trapezoid is formed by the rear wall surface 40 (see also FIGS. 4 and 11). The two concave portions 23 in which the two vertical portions 22a of the U-shaped vertical rail 22 are accommodated are the first notch portions at the back of each concave portion 23, specifically, at the top side of the opposite sides of the two substantially trapezoids. 24 is formed. The first cutout portion 24 has a shape in which the flange 29 is cut off and the concave portion 23 is expanded toward the outside of the opposite sides of the trapezoid.

  Both ends of the horizontal portion 22b of the vertical rail 22 are accommodated in the two first cutout portions 24 facing each other.

  The two recesses 23 and the two opposing first cutouts 24 formed in each of the recesses 23 constitute a vertical beam engaging portion 25. The U-shaped opposite opening side of the vertical beam 22 of the fan guard 10a is engaged with the vertical beam engaging portion 25. At this time, the fan guard 10 a is in a state in which the lateral portion 22 b can rotate in the first notch 24. Further, the horizontal rail 21 adjacent to the horizontal portion 22b of the vertical rail 22 of the fan guard 10a is placed on a guide portion 16b of a holding piece 26 described later (at a position as shown in FIG. 12 and FIG. 13). .

  For example, as shown in FIG. 6, a holding piece 26 is formed on the front side of the back surface of the left and right wind direction plate base 11 a (the surface on which the left and right wind direction plates 8 are rotatably attached (see FIG. 3)). Two of the central portions in FIG. 6 function as the holding pieces 26. That is, the two holding pieces 26 in the central portion are provided with a second notch portion 26a in the lower portion, which engages with the horizontal beam 21 (in one example, the horizontal beam 21 adjacent to the horizontal portion 22b of the vertical beam 22). A smooth curved guide portion 26b is formed from the long side edge of the left and right wind direction plate base 11a provided with the recess 23 to the second cutout portion 26a. The 2nd notch part 26a is an example of a crosspiece engaging part.

  In FIG. 6, the two outer holding pieces 26 do not have the second notch 26a. Only the guide part 26b is formed. These two outer holding pieces 26 abut against the horizontal beam 21 to restrict the upward movement of the horizontal beam 21 when the fan guard 10a is attached to the left and right wind direction plate base 11a. Thereby, the mounting state of the fan guard 10a is stabilized.

  12 and 13, the U-shaped opposite opening side of the vertical beam 22 of the fan guard 10a is engaged with the vertical beam engaging portion 25, and the horizontal portion 22b of the vertical beam 22 of the fan guard 10a is engaged. From the state in which the horizontal rail 21 adjacent to is placed on the guide portion 16b of the holding piece 26), a force is applied to turn the fan guard 10a downward. Then, the fan guard 10a rides on the guide portion 26b of the holding piece 26, moves downward along the guide portion 26b, and fits in the second notch portion 26a (position B in FIGS. 12 and 13).

  As shown in FIG. 8, the left and right wind direction plate base 11 a includes a fixing portion 27 that is pivotally supported on the main body 20 (the air passage wall on the back side of the drain pan 7) so as to be rotatable at the right end. Moreover, the handle part 28 when opening the left-right wind direction board assembly 30a at the time of the cleaning of the air path 4 is provided in the left end.

  In the above description, the example in which the horizontal beam 21 adjacent to the horizontal portion 22b of the vertical beam 22 of the fan guard 10a is engaged with the second notch portion 26a of the holding piece 26 has been described. A horizontal beam 21 other than the horizontal beam 21 adjacent to the horizontal portion 22b of the vertical beam 22 may be used. A plurality of horizontal bars 21 may engage with the holding piece 26.

  As described above, according to this embodiment, when the fan guard 10a is attached to the left and right wind direction plate base 11a, the U-shaped opposite opening side of the vertical beam 22 of the fan guard 10a is first placed on the vertical beam engaging portion 25. Engage. Next, from the state where the horizontal beam 21 adjacent to the horizontal portion 22b of the vertical beam 22 of the fan guard 10a is placed on the guide portion 16b of the holding piece 26, a force is applied to turn the fan guard 10a downward. The fan guard 10a is configured to ride on the guide portion 26b of the holding piece 26, move downward along the guide portion 26b, and fit in the second notch portion 26a. Accordingly, since the vertical beam 22 of the fan guard 10a does not have a bent portion, it is possible to manage the dimensions and simplify the mold shape. Further, the workability of attaching the fan guard 10a to the left and right wind direction plate base 11a is improved. Furthermore, the fan guard 10a can be easily removed from the left and right wind direction plate base 11a during recycling.

FIG. 2 is a diagram showing the first embodiment, and is a perspective view showing an overall configuration of the air conditioner 1. FIG. 3 shows the first embodiment and is a longitudinal sectional view of the air conditioner 1. FIG. 5 is a diagram showing the first embodiment, and is a perspective view showing a left and right wind direction plate assembly 30a. FIG. 4 shows the first embodiment, and is a perspective view in which the angle of FIG. 3 is changed and the left and right wind direction plates 8 are removed. FIG. 5 shows the first embodiment and is a perspective view of the fan guard 10a. FIG. 5 is a diagram showing the first embodiment, and is a perspective view of a left and right wind direction plate base 11a as viewed from below. FIG. 7 shows the first embodiment, and is an enlarged view near the holding piece 26 of FIG. 6. The top view which looked at the left-right wind direction board base 11a from the bottom in the figure which shows Embodiment 1. FIG. The top view which looked at the left-right wind direction board base 11a from the top in the figure which shows Embodiment 1. FIG. FIG. 5 is a diagram showing the first embodiment, and is a perspective view of the left and right wind direction plate base 11a as viewed from above. FIG. 5 shows the first embodiment and is a partially enlarged view of FIG. 4. FIG. 5 shows the first embodiment, and is a cross-sectional side view showing a method of attaching the fan guard 10a to the left and right wind direction plate base 11a. FIG. 13 shows the first embodiment and is a partially enlarged view of FIG. 12.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Air conditioner, 2 Inlet, 3 Outlet, 4 Air path, 5 Heat exchanger, 6 Blower, 7 Drain pan, 8 Left and right wind direction plate, 9 Up and down wind direction plate, 10a Fan guard, 10b Fan guard, 11a Left and right wind direction Plate base, 20 body, 21 horizontal bar, 22 vertical bar, 22a vertical part, 22b horizontal part, 23 recess, 24 first notch part, 25 vertical bar engaging part, 26 holding piece, 26a second notch Part, 26b guide part, 27 fixing part, 28 handle part, 29 flange, 30a left and right wind direction plate assembly, 30b left and right wind direction plate assembly, 40 rear wall surface.

Claims (3)

A main body having an air inlet that sucks indoor air, an air outlet that blows conditioned air into the room, and an air passage that communicates the air inlet and the air outlet;
A blower fan provided in the air passage;
A fan guard that is provided at the air outlet toward the blower fan and suppresses tentacles to the blower fan;
A left and right wind direction plate that is provided at the outlet and changes the left and right wind direction;
The fan guard is detachably attached, and the left and right wind direction plates are rotatably attached, and includes a left and right wind direction plate base fixed to the main body,
The fan guard is composed of a plurality of vertical bars formed in a U-shape and a plurality of horizontal bars,
The left and right wind direction plate base comprises a vertical beam engaging portion in which the U-shaped opposite opening side of the vertical beam is rotatably engaged, and a horizontal beam engaging portion into which the horizontal beam is pushed ,
The vertical beam is composed of two vertical portions and a horizontal portion, and the vertical beam engaging portion of the left and right wind direction plate base accommodates the vertical portion of the vertical beam, and the vertical portion is positioned left and right and rearward. An air conditioner comprising: a concave portion that is connected to the concave portion; and a first cutout portion that is formed to be connected to the concave portion and accommodates a horizontal portion of the vertical beam and is positioned in the front-rear and downward directions . The horizontal beam engaging portion of the left and right wind direction plate base includes a second notch portion into which the horizontal beam is pushed, and includes a holding piece provided substantially parallel to the direction of the wind flow at the outlet. the air conditioner of claim 1 Symbol mounting, characterized in that. The air conditioner according to claim 2 , wherein the holding piece has a curved guide portion on which the horizontal rail rides when the horizontal rail is pushed into the second notch.

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