JP5292730B2 - Air conditioner - Google Patents

Description

  The present invention relates to a heat insulating structure for an up-and-down air direction changing blade of an air conditioner that performs indoor cooling.

Generally, air conditioner indoor unit air outlets are provided with up / down air direction change blades and left / right air direction change blades to control the direction of cool and warm air, and generally heat insulation is attached to the up / down air direction change blades. In order to prevent dew condensation on the blades, and a device in which the thickness is changed between the center and both ends of the up-and-down airflow direction changing blade as in Patent Document (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 7-234006

  However, especially in the dew condensation of the up / down wind direction changing vane composed of one sheet, the method of sticking the heat insulating material to the back surface of the up / down air direction changing vane to prevent the dew condensation generated on the vane is poor in design, In addition to the cost of material and the number of man-hours to be pasted, there is a problem that it is difficult to deal with the environment after disposal, for example, because special foamed polyethylene material is pasted as a heat insulating material, so it is necessary to separate the heat insulating material during recycling. It was. In addition, when changing the wind direction with one sheet, if the thickness of the central part of the up / down air direction change blade is increased and both ends are thinned, sinks occur in the appearance of the support part of the up / down air direction change blade, so the shape of the support part is changed. It was necessary to form intricately.

  In order to solve the above-described conventional problems, the vertical airflow direction change blade of the air conditioner of the present invention is formed by engaging a box-shaped box part and a hollow lid to form a hollow part, and the vertical airflow direction of the hollow structure By using the changed blade, it is possible to maintain the heat insulation performance equivalent to that of attaching the heat insulating material.

  The up-and-down airflow direction changing blade of the present invention is inexpensive, has low capital investment cost, is easy to assemble, and can be easily recycled while maintaining heat insulation performance equivalent to the conventional one.

  1st invention is an air conditioner which comprised the ventilation fan, the blower outlet which blows off the wind produced by the said blower fan, and the up-and-down air direction change blade | wing at the said discharge port, Comprising: The said up-and-down air direction change blade | wing is a box part And the hollow lid are engaged with each other to form a box having a hollow portion, so that the heat insulation performance equivalent to that of attaching the heat insulating material is maintained in the hollow portion, and the box portion and the hollow lid are mutually connected. Since a hollow part can be formed only by engaging, the skill level of the operator with respect to the conventional heat insulating material attaching operation is not required, and stable quality can be ensured and cost and man-hours can be reduced.

Also, by providing a support part for the up / down airflow direction changing blade on the hollow lid side, sink marks due to molding are hidden after assembly, so the support part has a large thickness and a simple shape without worrying about the occurrence of sink marks Can be provided.

In addition, by providing a sealing protrusion wall substantially in parallel with the support portion on the inner side of the periphery of the box portion and the hollow lid, the sealing performance between the box portion and the hollow lid is improved, and the heat insulating effect in the hollow portion is increased. Can be increased.

  In the second aspect of the invention, in particular, a plurality of insertion protrusions are provided inside the periphery of the box portion of the first invention, and a plurality of holes into which the insertion protrusions are inserted are provided inside the periphery of the hollow lid. Therefore, the work of attaching the hollow lid to the box portion can be easily performed and can be firmly fixed.

In the third aspect of the invention, in particular, a plurality of insertion protrusions are provided inside the periphery of the hollow lid of the first invention, and a plurality of holes into which the insertion protrusions are inserted are provided inside the periphery of the box part. Therefore, the work of attaching the hollow lid to the box portion can be easily performed and can be firmly fixed.

According to a fourth aspect of the present invention, in particular, by forming the box portion and the hollow lid of any one of the first to third aspects of the same material from each other, it is possible to form a vertical wind direction changing blade having a good appearance in terms of design. Since the materials are the same, the wind direction changing blades can be recycled as they are without the hassle of dismantling, so the environmental burden can be reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a front view of an air conditioner according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line BB of FIG. 1, and FIG. FIG. 4 is an exploded perspective view of the up-and-down air direction changing blades of the air conditioner, and FIG. 5 is an enlarged view of the B part in FIG. FIG. 6 is an exploded perspective view of a conventional up / down airflow direction changing blade, and FIG. 7 is an enlarged view of part C of FIG. In addition, about the same part as the past, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In FIG. 2, the air conditioner body 5 has a blowout port 3 at the lower part of the front surface, and a heat exchanger 6 and a blower fan 4 are attached to the upper side of the blowout port 3. And the blowing port 3 is provided with an up-and-down air direction changing blade 1 having a hollow portion 2 formed therein.

  Next, the structure of the engaging part of the up-and-down wind direction change blade | wing 1 is demonstrated using FIG. As shown in the figure, the up-and-down airflow direction changing blade 1 is configured by engaging a hollow lid 1a formed of the same material and a box portion 1b, and the hollow lid 1a has a projecting wall for sealing on the outer periphery. 9 and a plurality of insertion protrusions 7 on the outer side of the tip thereof, and the box portion 1b is provided with a sealing projection wall 9 on the outer periphery and a plurality of holes 8 on the inner side of the tip. And the insertion protrusion 7 comprises the up-and-down air direction change blade | wing 1 which was fitted by the hole 8 and provided the hollow part 2. FIG.

  In the engagement, by providing the sealing protruding wall 9 on the periphery of the box portion 1b, the sealing performance between the box portion 1b and the hollow lid 1a is enhanced, and the heat insulating effect in the hollow portion 2 can be enhanced. By providing the sealing protruding wall 9 also on the hollow lid 1a, the sealing performance can be further enhanced, and the heat insulating effect in the hollow portion 2 can be further enhanced.

  Further, by providing a plurality of insertion protrusions 7 on the peripheral edge of the box portion 1b and further providing a plurality of holes 8 into which the insertion protrusions 7 are inserted on the peripheral edge of the hollow lid 1a, the hollow cover 1a and the box portion 1b are provided. Can be easily fitted and can be firmly fixed. The same effect can be obtained by providing the insertion protrusion 7 on the hollow lid 1a and the hole 8 on the box 1b.

  Moreover, the support part 10 of the up-and-down air direction change blade | wing 1 is formed in the lid | cover 1a for hollows. As a result, even if sink marks on the resin molding due to the formation of the support portion 10 occur in the hollow lid 1a, the sink marks are hidden inside the up / down airflow direction changing blade 1 after assembly, so that there is no concern about the occurrence of sink marks. The support portion can be provided with a large thickness and a simple shape.

  In addition, by forming the box portion 1b and the hollow lid 1a from the same material, it is possible to form the up-and-down airflow direction changing blade 1 that looks good in terms of design. Since the wind direction changing blade 1 can be recycled as it is, the environmental load can be reduced.

The operation and action of the air conditioner configured as described above will be described. Air conditioner body 5
During the cooling operation, in the operation mode in which the wind that has passed through the heat exchanger 6 and is cooled is directed upward by the blower fan 4 at the outlet 3, a temperature difference between the outside and inside of the up-and-down air direction changing blade 1 occurs. The outside of the up / down wind direction changing blade 1 is condensed. Therefore, the up-and-down airflow direction changing blade 1 can prevent dew condensation during cooling due to the heat insulating effect of the hollow portion 2 constituted by the hollow lid 1a and the box portion 1b.

  By the said structure, the heat insulation performance equivalent to heat insulating material sticking can be maintained in the hollow part 2, and cost and a man-hour reduction can be aimed at. In addition, there is no separation work at the time of dismantling, and it can be recycled without trouble, so the environmental load can be reduced.

  The heat insulating structure of the air conditioner according to the present invention is inexpensive, has low capital investment costs and can be easily assembled while maintaining the same heat insulating performance as before, and can also reduce the environmental load. Applicable to equipment and devices.

The front view of the air conditioner in Embodiment 1 of this invention BB sectional view of FIG. Cross-sectional view of the main part of the air conditioner (cross-sectional view of part A in FIG. 2) Disassembled perspective view of up and down wind direction change blade of the air conditioner Part B enlarged view of FIG. Disassembled perspective view of conventional up / down wind direction change blade C section enlarged view of FIG.

DESCRIPTION OF SYMBOLS 1 Up-and-down wind direction change blade 1a Cover for hollow 1b Box part 2 Hollow part 3 Outlet 4 Blower fan 5 Air conditioner main body 6 Heat exchanger 7 Insertion protrusion 8 Hole part 9 Sealing protrusion 10 Support part

Claims (4)

An air conditioner comprising a blower fan, a blowout port that blows out the wind generated by the blower fan, and a vertical wind direction change blade that is disposed in the blowout port and changes the vertical direction of air, the vertical wind direction change blade Is a box shape having a hollow portion by mutually engaging the box portion and the hollow lid, and provided with support portions for supporting up and down airflow direction change blades at the left and right ends and the center of the hollow lid, An air conditioner characterized in that a sealing protrusion wall is provided substantially in parallel with the support portion on the inner side of the periphery of the hollow lid. 2. The air according to claim 1, wherein a plurality of insertion protrusions are provided inside the periphery of the box portion, and a plurality of holes into which the insertion protrusions are inserted are provided inside the periphery of the hollow lid. Harmony machine. 2. A plurality of insertion protrusions are provided inside the periphery of the hollow lid, and a plurality of holes into which the insertion protrusions are inserted are provided inside the periphery of the box part. Air conditioner. The air conditioner according to any one of claims 1 to 3 , wherein the box portion and the hollow lid are formed of the same material.