JP2011007377A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner in which a vertical wind direction changing blade is not separated even if an external force or an impact shock is applied thereto in a closed state.SOLUTION: The air conditioner has a supply opening 4 for supplying air which is heat exchanged by a heat exchanger 1, arms 21 variably disposed at right and left both ends of the supply opening 4 therebetween, and the vertical wind direction changing blade 9 having a plurality of supporting parts 11 rotatably and detachably supported to tips of the arms 21 and changing the vertical direction of the supplied wind. When the vertical wind changing blade 9 is closed, a clearance gap between a wall face of the supply opening 4 and contours of the supporting parts 11 is reduced. As the contours of the supporting parts 11 abut on the wall face of the supply opening 4 when the external force or the impact shock is applied in a direction to separate the vertical wind direction changing blade 9 while operation is stopped, and while the vertical wind direction changing blade 9 is closed, it is prevented that the supporting parts 11 of the vertical wind direction changing blade 9 come off from the arms 21.

Description

  The present invention relates to an air conditioner that performs indoor air conditioning.

  Conventionally, as this type of air conditioner, the blowout port that blows out the air heat-exchanged by the heat exchanger, both ends of the blowout port, and the first, second, and third drive mechanisms provided therebetween can be varied. There is a type in which an up / down air direction change blade is rotatably supported by an arm, and the up / down air direction change blade is detachable (see, for example, Patent Document 1).

JP 2008-39252 A

  However, in the configuration of the conventional air conditioner described in Patent Document 1, the up / down airflow direction changing blades can be attached and detached from both ends of the air outlet and the arms of the first, second, and third drive mechanisms provided therebetween. Therefore, when the vertical wind direction change blade is pushed in the off-axis direction when receiving an impact or when installing an air conditioner with the vertical wind direction change blade in the shutdown position closed, The wind direction change blade had the subject that it came off easily from an arm.

  The present invention solves the above-described conventional problems, and in an air conditioner having an up / down air direction change blade that controls the up / down air direction via a variable arm at the air outlet of the air conditioner, When the vertical wind direction change blade is closed at the operation stop position, even if the vertical wind direction change blade is pushed by an impact or a person, the vertical wind direction change blade is prevented from being detached from the arm, and is attached and detached when the arm is pulled out. An inexpensive air conditioner is provided that does not interfere with the rotation of the up-and-down wind direction changing blades, and is detachable with a simple configuration without connecting the up-and-down air direction changing blades to the arm by separate parts. For the purpose.

  In order to solve the conventional problems, an air conditioner according to the present invention includes a blowout port that blows out air that has been heat-exchanged by a heat exchanger, and left and right ends of the blowout port and arms that are provided so as to be able to vary between the blowout port A plurality of support portions rotatably and detachably supported at the respective tips of the arms, and an up / down air direction changing blade that changes the up / down direction of the blown air, and the up / down air direction changing blade is closed The gap between the wall surface of the outlet and the outer shape of the support portion is reduced, and when the operation is stopped and the vertical wind direction change blade is closed, the vertical wind direction change blade is When an external force or impact is applied in the direction of disengagement, the outer shape of the support portion comes into contact with the wall surface of the air outlet, so that the support portion of the up / down airflow direction changing blade does not come off the arm. Further, by configuring the detachment prevention mechanism for preventing the detachment of the up / down wind direction changing blades from the outer shape of the support portion, no separate parts are required, and the detachment prevention mechanism can be configured at low cost.

  In the air conditioner of the present invention, when the up / down wind direction changing blades are closed when the operation is stopped, the up / down wind direction changing blades are not affected even if an off-axis external force is applied to the up / down wind direction changing blades during installation of the air conditioner. An air conditioner that does not come off the arm can be stably supplied with a simple configuration.

Sectional drawing of the air conditioner in Embodiment 1 of this invention Front view of the air conditioner Sectional drawing which shows up-and-down wind direction change blade attachment / detachment position Sectional drawing which shows the state which pushed the up-and-down wind direction change blade | wing of the same air conditioner in the off-axis direction The principal part expanded sectional view which shows the state which pushed the up-and-down wind direction change blade of the air conditioner in the off-axis direction (A) The perspective view of the drive mechanism attachment part of the air conditioner, (b) The perspective view of the drive mechanism

  1st invention is the blower outlet which blows off the air heat-exchanged with the heat exchanger, the arm provided in the right and left both ends of the said blower outlet, and the variation | variation between them, and rotation and attachment to each front-end | tip of the said arm A plurality of support portions that are freely supported, and an up-and-down air direction change blade that changes the up-and-down direction of the blown air, and when the up-and-down air direction change blade is closed, the wall surface of the air outlet and the outer shape of the support portion When the operation is stopped and the up / down wind direction changing blade is closed, when the external force or impact is applied to the up / down wind direction changing blade in the direction in which it is released, Since the outer shape of the support portion comes into contact with the wall surface of the outlet, the support portion of the up / down airflow direction changing blade does not come off the arm. Further, by configuring the detachment prevention mechanism for preventing the detachment of the up / down wind direction changing blades from the outer shape of the support portion, no separate parts are required, and the detachment prevention mechanism can be configured at low cost.

  In particular, the second invention is such that the outer shape of the support portion of the first invention is substantially arc-shaped, and the upper and lower air direction changing vanes are disengaged only at the operation stop position without hindering the rotation of the upper and lower air direction changing vanes. The prevention function can be exhibited.

  The third invention is such that the gap between the wall surface of the air outlet and the outer shapes of all the support portions is reduced particularly when the up-and-down wind direction changing blade of the first or second invention is closed. Thus, even if an external force or impact is applied to any position of the up / down air direction changing blade in a state where the up / down air direction changing blade is closed, the entire up / down air direction changing blade will not be partly removed.

  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 cross-sectional view of an air conditioner according to Embodiment 1 of the present invention, FIG. 2 is a front view of the air conditioner, and FIG. 3 is a cross-sectional view showing an up / down wind direction changing blade attachment / detachment position of the air conditioner. 4 is a cross-sectional view showing a state where the up-and-down air direction change blades of the air conditioner are pushed in an off-axis direction, and FIG. 5 shows a state where the up-and-down air direction change blades of the air conditioner are pushed in an off-axis direction. FIG. 6 is a perspective view of a driving mechanism mounting portion of the air conditioner and a perspective view of the driving mechanism.

  The air conditioner 7 in the present embodiment forms the suction port 3 from the front surface to the upper surface of the main body 7a, and has the heat exchanger 1, the fan 2, and the blowout grill 5 inside the main body 7a. The heat exchanger 1 is arranged on the upstream side of the fan 2, and the blowout grill 5 forms a blower passage 6 on the downstream side of the fan 2 and a blowout port 4 that blows out the air heat-exchanged by the heat exchanger 1. Yes.

  The air conditioner 7 includes a panel 8 that opens and closes the suction port 3 on the front surface, and an up and down air direction changing blade 9 that opens and closes the air outlet 4 and changes the direction of the up and down direction of the blown air.

The drive mechanism 10 has an arm 21 and a casing 22, and the arm 21 is held by the casing 22 so as to be variable. The drive mechanism 10 is held inside the main body 7 a of the air conditioner 7, and supports the support portion 11 of the up / down airflow direction change blade 9 at the tip of the arm 21 so as to be rotatable.

  In the present embodiment, as shown in FIG. 6, the drive mechanism 10 includes a first drive mechanism 10 a, a second drive mechanism 10 b, and a third drive mechanism 10 c that are respectively disposed on the blowing grill 5. It is configured.

  The first drive mechanism 10a is disposed at the left end of the air outlet 4, the second drive mechanism 10b is disposed at the right end of the air outlet 4, and the third drive mechanism 10c is the first drive mechanism. The first to third drive mechanisms 10a to 10c are connected by the synchronization shaft 12 while being positioned between the first drive mechanism 10b and the second drive mechanism 10b.

  The first drive mechanism 10a is provided with an arm drive motor 13, and the rotational power of the arm drive motor 13 is transferred to the third drive mechanism 10c and the second drive mechanism 10b by the synchronization shaft 12. Communicated. On the other hand, the rotational power of the blade driving motor (not shown) is transmitted to the support portion 11 of the up / down air direction changing blade 9 via a drive transmission means (not shown) such as a gear, It is designed to rotate.

  Next, with reference to FIGS. 3, 4, and 5, a method for attaching and detaching the up / down air direction changing blade 9 of the air conditioner in the present embodiment will be described.

  FIG. 1 is a cross-sectional view showing an operation stop position of the air conditioner in the present embodiment. When the air conditioner is installed in this state, if the up-and-down air direction changing blade 9 is pressed from below, a force is applied in the off-axis direction as shown in FIG. Although it tends to come off from the arm 21, as shown in the enlarged sectional view of FIG. 5, the outer shape of the substantially arcuate support portion 11 does not come off from the arm 21 because it hits the wall surface of the air outlet 4. Further, by pulling out the arm 21 as shown in FIG. 3, the outer shape of the support portion 11 of the up-and-down air direction changing blade 9 does not hit the wall surface of the air outlet 4 and can be attached and detached.

  As described above, the air conditioner of the present invention does not come off at the operation stop position in the configuration in which the up / down airflow direction changeable blades are removable, and is applicable not only to the air conditioner but also to a dehumidifier and an air purifier. it can.

DESCRIPTION OF SYMBOLS 1 Heat exchanger 2 Fan 3 Intake port 4 Outlet 5 Outlet grill 6 Blower path 7 Air conditioner 7a Main body 8 Panel 9 Vertical air direction change blade 10 Drive mechanism 11 Support part 13 Arm drive motor 14 Synchronous shaft 21 Arm 22 Casing

Claims (3)

A blower outlet that blows out air that has been heat-exchanged by a heat exchanger, left and right ends of the blower outlet, and arms that are provided so as to be able to fluctuate between them, and a plurality that are rotatably and detachably supported at the respective tips of the arms And a vertical wind direction change blade that changes the vertical direction of the blown air, and when the vertical wind direction change blade is closed, a gap between the wall surface of the outlet and the outer shape of the support portion is provided. An air conditioner characterized by being made smaller. The air conditioner according to claim 1, wherein the outer shape of the support portion is substantially arc-shaped. The air conditioner according to claim 1 or 2, wherein a gap between the wall surface of the air outlet and the outer shape of all the support portions is reduced when the up / down airflow direction changing blades are closed.