JPH07825Y2 - Air conditioner fanguard device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a fan guard device for an air conditioner in which a fan guard is held in a blowing nozzle.

[Prior Art] FIGS. 4, 5, and 6 are exploded perspective views showing a fan guard device for a conventional air conditioner disclosed in Japanese Utility Model Laid-Open No. 59-175921, which is a VV line in FIG. FIG. 6 is a cross-sectional view of an assembled state taken along line VI-VI. In FIG. 4 to FIG. 6, 1 is a blowing nozzle which constitutes an outlet for indoor circulating air, 2 is a left and right end wall connecting upper and lower frames 3 and 4 of the blowing nozzle 1, and 5 is a blowing nozzle 1. A plurality of vertical ribs that connect the upper and lower frames 3 and 4 between the left and right end walls 2, and a lower portion of the blowout nozzle 1 for inserting and supporting a plurality of wind direction adjusting vanes 7 that are rotatable in the left and right directions, respectively. Fitting holes provided in the frame 3, 8 fixed vanes for fixing the left and right ends of the lower frame 3, 9 connecting rods for interlocking the respective vane adjusting vanes 7, 10 for preventing foreign matter from entering A fan guard installed in the blow-out nozzle 1, 11 end plates arranged at the left and right ends of the fan guard 10, 12 a plurality of horizontal joints having both ends welded to the end plate 11, 13 a horizontal joint 12 respectively Vertical ledges that are fixedly attached and are orthogonal to the horizontal ledges 12 and regulate them at the same pitch interval. Reference numeral 14 denotes each horizontal ledge 12 restrained on the vertical ribs 5. A guard clip for attaching.

Next, the attachment of the conventional fan guard 10 will be described. The left and right end plates 11 of the fan guard 10 are respectively inserted into the left and right end walls 2 of the blowout nozzle 1 as shown by chain line arrows in FIG. The horizontal guards 12 of 10 are pressed against the vertical guards 5 of the blow-out nozzle 1 and the guard clips 14 are fitted to the vertical ribs 5 from the outer side thereof to fix the fan guards 10 in the blow-out nozzle 1.

[Problems to be Solved by the Invention] A conventional fan guard device for an air conditioner is configured as described above, and the fan guard has a specially shaped end plate and uses a large number of guard clips. However, there is a problem that the assembly is troublesome, the die cost is high, and the fan guard is also troublesome to attach.

The present invention has been made to solve the above problems, and an object thereof is to obtain a fan guard device for an air conditioner that simplifies the attachment of the fan guard to the blowout nozzle and can be provided at low cost. I am trying.

[Means for Solving the Problems] A fan guard device for an air conditioner according to the present invention comprises a plurality of upper and lower holding ribs, which are located in front of the vertical ribs on the facing surfaces of the upper and lower frames of the blowing nozzle. The fan guard, which is integrally formed and has a vertical dimension that is compressible to the vertical dimension of the vertical rib, is positioned between the vertical rib and the upper and lower holding ribs, and is press-fitted into the blowout nozzle to fit the fan. The uppermost and lowermost horizontal ledges of the guard are elastically held by upper and lower holding ribs, respectively.

[Operation] In the fan guard device according to the present invention, the vertical dimension in the free state of the fan guard is formed to be slightly larger than the vertical dimension of the vertical rib of the blowing nozzle, and the vertical rib and the upper and lower sides in the blowing nozzle are formed. The above fan guards are press-fitted between the retaining ribs, and the upper and lower sideways of the fan guards are elastically retained by the upper and lower retaining ribs by the restoring force of the fan guards bent in the vertical direction. By doing so, the fan guard can be easily attached to the blowing nozzle. In addition, the fan guard device of this invention is
By only providing the upper and lower holding ribs on the facing surface of the lower frame, it is possible to use the flexural elasticity of the upper and lower horizontal coffins without using separate parts such as end plates and guard clips unlike the conventional ones. A simple and simple fan guard can be attached to the blowing nozzle, and the device can be obtained at low cost.

[Embodiment of the Invention] An embodiment of the invention will be described below with reference to FIGS. 1 and 2.

In FIGS. 1 and 2, the same reference numerals as those in FIGS. 4 to 6 denote the same or corresponding parts, 15 is an indoor unit of an air conditioner, and the indoor unit 15 is a front panel 17 of a heat exchanger 16. Further, a fan 18 for circulating indoor air is provided, and the blowout nozzle 1 is attached to the indoor air outlet portion. The blow-out nozzle 1 is made of a synthetic resin integrally molded product, and a plurality of vertical ribs 5 are integrally formed on the upper and lower frames 3 and 4. Further, in the lower frame 4 of the blowing nozzle 1, a plurality of wind direction adjusting vanes 7 for changing the wind direction of the blowing air to the left and right are juxtaposed in the fitting holes 6 of the blowing nozzle lower frame 4 at regular intervals and rotatable. It is provided in.

A fan guard 10 is held in the blow-out nozzle 1 as described later in order to prevent foreign matter from entering the rear of each wind direction adjusting vane 7 and to protect the fan 18. The fan guard 10 has a horizontal shaft 12 and a vertical shaft 13 in which a plurality of wires are arranged in parallel.
The horizontal ledge 12 has a length somewhat shorter than the width of the outlet of the blow-out nozzle 1 in the left-right direction, and is vertically arranged at a required interval, so that the vertical ledge is held to maintain the pitch interval of the horizontal ledge 12. It is welded with 13 crossed. Further, the fan guard 10 is arranged so as to come into contact with the front surfaces of the plurality of vertical ribs 5 located behind the wind direction adjusting vanes 7 of the blowout nozzle 1.
The cross-sectional shape is similar to the shape of the front surface.
Also, the vertical dimension of the fan guard 10 is equal to or slightly larger than the dimension between the upper and lower frames 3 and 4 in the free state, and the uppermost and lowermost horizontal ledges 12a and 12b are vertically inward. It has flexible elasticity. On the facing surfaces of the upper and lower frames 3 and 4,
A plurality of upper and lower holding ribs 19a and 19b, which are located in front of the vertical ribs 5, are formed in a protruding manner.

Next, the attachment of the fan guard 10 of this embodiment to the blowout nozzle 1 will be described. First, a plurality of vertical ribs 5 formed on the blowing nozzle 1 and a lower holding rib protruding from the lower frame 4
Fit the bottom horizontal tab 12b (or the top horizontal tab 12a) of the fan guard 10 between 19b, and use the bottom horizontal tab 12b (or the top horizontal tab 12a) as a fulcrum to support the top horizontal side of the fan guard 10. 1
2a (or the lower horizontal board 12b is the upper frame 3 (or the lower frame 4)
The fan guard 10 is bent vertically inward so as to get over the plurality of upper holding ribs 19a (or the lower holding ribs 19b) formed in the upper and lower holding ribs 19a. , 19b are press-fitted and held and fitted into the blow-out nozzle 1.

In this case, since the vertical dimension of the fan guard 10 in the free state is slightly larger than the vertical dimension of the front surface of the vertical rib 5,
When the fan guard 10 is press-fitted into the blow-out nozzle 1 as described above, the fan guard 10 is mounted in a tension-tensioned state, and no cracking sound is generated due to the vibration of the indoor unit 15, so that the fan guard 10 The top and bottom Yokota
The upper and lower holding ribs 19a and 19b are held by the tension restoring force, so that the upper and lower holding ribs 12a and 12b can be securely mounted in the blowing nozzle 1.

FIG. 3 shows a fan guard according to another embodiment of the present invention, in which the fan guard 10 is securely held in the blowing nozzle to eliminate cracks due to vibration of the indoor unit.
This is intended to improve the elastic holding force. In this embodiment, the fan guard 10 is provided so as to face the upper and lower holding ribs 19a and 19b provided on the upper and lower frames 3 and 4 of the blowing nozzle 1. A plurality of protrusions 20a, 2 are provided on the uppermost and lowermost horizontal boards 12a, 12b, respectively.
0b is projected upward and downward respectively, and in this embodiment, variations in the vertical direction of the fan guard 10 can be absorbed. The configuration of the embodiment shown in FIG. 3 is the same as that of the fan guard device shown in FIGS.

[Effect of the Invention] As described above, the fan guard device of the present invention is
A fan guard formed by integrally forming a plurality of upper and lower holding ribs located in front of the vertical ribs on the upper and lower surfaces of the blowing nozzle and facing the vertical ribs, and having a vertical dimension that is compressible to the vertical dimension of the vertical ribs. , Located between the vertical ribs and the upper and lower holding ribs and press-fitted into the blow-out nozzle to elastically hold the upper and lower side crosses of the fan guard to the upper and lower holding ribs, respectively. Therefore, it can be easily attached, can be reliably supported without using a separate member, does not cause cracks or the like due to rattling of the fitting holding portion, and is inexpensive as a whole device. effective.

[Brief description of drawings]

1 is a sectional view showing a fan guard device of an air conditioner according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing an indoor unit of an air conditioner incorporating the fan guard device of FIG. FIG. 3 is a perspective view showing a fan guard according to another embodiment of the present invention, FIG. 4 is an exploded perspective view showing a fan guard device of a conventional air conditioner, and FIGS. 5 and 6 are shown in FIG. FIG. 6 is a cross-sectional view of an assembled state taken along line VV and line VI-VI. In the figure, 1 ... Blowout nozzle, 3,4 ... upper and lower frames, 5 ... vertical ribs, 1
0 …… Fan guard, 12,12a, 12b, …… Horizontal shaft, 13 …… Vertical shaft, 19a, 19b …… Upper and lower holding ribs, 20a, 20b …… Overhanging part. The same reference numerals in the drawings indicate the same or corresponding parts.

Claims (2)

[Scope of utility model registration request] 1. A fan guard in which a plurality of horizontal rails and a plurality of vertical rails orthogonal to the horizontal rails are fixed to each other, and the fan guard is held in an outlet nozzle in which upper and lower frames are connected by a plurality of vertical ribs. In the fan guard device for an air conditioner, a plurality of upper and lower holding ribs located in front of the vertical ribs are integrally formed on the facing surface of the blowing nozzle and the lower frame, and the fan guard is vertically A cross-sectional shape similar to that of the front surface of the vertical ribs is formed so as to come into contact with the front surfaces of the ribs, and the upper and lower cross rails of the fan guard are provided between the vertical ribs and the upper and lower holding ribs. A fan guard device for an air conditioner, characterized in that it is elastically held. 2. The air conditioner according to claim 1, wherein the fan guard has a plurality of projecting portions projecting upward and downward respectively on the uppermost and lowermost horizontal rails. Fan guard device.