JP2000241014A - Mounting structure of wind direction board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the mounting structure of a wind direction board which removes the damage at setup of the supporting shaft and the bearing of the wind direction board and also removes the abnormal sound caused by backlash. SOLUTION: For this mounting structure, a front panel 5 which has a blowout port at the right and a suction port at the left is arranged at the front of the main body, and supporting shafts 6a and 7a are arranged in opposition at the upper and lower walls 6 and 7, respectively, of a blowout port, and his structure axially supports turnably the wind direction board 8 having bearing 8a and 8b at both ends. In this case, cones are made at the tips of the supporting shafts 6a and 7a, and cone seats are made at the bearings 8a and 8b, and also the upper wall 6 of the blowout port is put in the U-shaped two-stage constitution of an outer plate 6e and an inner plate 6b connected ahead above and below, and a recess opening rearward is made, and also the supporting shaft 6a is projected under the inner plate 6b, and also a tubular boss is projected above the supporting shaft 6a, and it is supported freely of up and down motion, and a movable holder 6c linked to the inner plate 6b is provided, and a press means for pressing the supporting shaft 6a of the movable holder 6c against the bearing 8a is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction plate of an air conditioner, and more particularly, to a mounting structure of a wind direction plate.

[0002]

2. Description of the Related Art FIG. 5 is an exploded perspective view showing an example of a conventional wind direction plate mounting structure, FIG. 6 is a front view showing an example of a conventional wind direction plate mounting structure, and FIG. FIG. 7 is an enlarged cross-sectional view of a wind direction plate corresponding to BB ′ in FIG. 6 illustrating an example of the mounting structure of FIG. In the case of a conventional wind direction plate mounting structure, as an example, the base 2 is provided in an outer casing 9 of the air conditioner 1 so as to be able to be delivered and the partition plate 3 is erected on the base 2, and An indoor heat exchanger 11 and an indoor fan (not shown) are provided on the indoor side, and an outdoor heat exchanger 12, an outdoor fan 4, A front panel is provided with a fan motor (not shown), a compressor 13 and the like. The front panel has an outlet 5a on the right side, an operation section 5c below it, and a suction port 5b on the left side on the front side of the outer casing 9. 5 are provided, and a support shaft 6a is provided on upper and lower walls 6, 7 of the outlet 5a, respectively.
A wind direction plate 8 having bearings 8a, 8b corresponding to the support shafts 6a, 7a at both ends is rotatably supported on the wind direction plate 8a.

By the way, in order to attach the wind direction plate 8 to the air outlet 5a of the air conditioner 1, at the time of assembly, the wind direction plate 8 made of resin is bent and deformed so that the support shafts 6a and 7a are respectively connected to the bearings 8a and 7a. 8b. However, there has been a problem that the wind direction plate 8 may be plastically deformed and whitened or broken, which may hinder appearance and wind direction control.

[0004] On the other hand, the front panel 5 and the wind direction plate 8 are both mainly made of a plastic molded product.
The accuracy of the bearings a and 7a and the bearings 8a and 8b cannot be sufficiently obtained, causing play, and there is a problem that noise may be generated depending on the wind coming out of the outlet 5a. This problem is caused by the fact that the wind direction plate 8 becomes large due to thermal expansion during heating, and the bearing 8
a and 8b are greatly deformed, and the abnormal noise tends to be large.

On the other hand, the support shafts 6a, 7a and bearings 8a, 8
If b is precisely cut, the effect can be improved, but the expected effect is small despite enormous costs. Furthermore, the use of the spindle 6
There is also a problem that the backlash increases due to wear of the bearings a and 7a and the bearings 8a and 8b.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned conventional problems, and has been made to eliminate damage at the time of assembling a support shaft and a bearing of a wind direction plate, and to prevent generation of abnormal noise due to backlash. An object of the present invention is to provide a quiet, easy-to-assemble and inexpensive wind direction plate mounting structure.

[0007]

In order to achieve the above object, a front panel having an air outlet and a suction port is provided on the front surface of a main body, and a plurality of support shafts are respectively opposed to upper and lower walls of the air outlet. In a wind-direction plate mounting structure in which a plurality of wind-direction plates having bearings corresponding to the same support shaft at both ends are rotatably supported, a conical portion is formed at the tip of the support shaft. A conical receiving portion that slides in correspondence with the conical portion is formed in the bearing, and the upper wall of the outlet is formed as a two-stage configuration of a U-shaped outer plate and an inner plate that are vertically connected at the front and between them. A concave portion that opens rearward is formed, and the support shaft is protruded downward from the inner plate, and a cylindrical boss is protruded above the support shaft, and a U-shaped connection is formed around the boss at the rear. By forming a slit, to form a movable holding portion that makes the support shaft vertically movable, So that the support shaft of the movable holding portion formed by providing a pressing means for pressing the bearing.

A relief hole is formed at the innermost part of the bearing corresponding to the tip of the support shaft.

The pressing means may be a resin material having elasticity, and the movable holding portion may be formed by shifting the position of the support shaft portion below the inner plate.

[0010] Alternatively, the pressing means sandwiches the support shaft of the movable holding portion between a holding hole formed at the center of the boss for urging toward the bearing and the outer plate. Make it a spring.

Alternatively, the pressing means may be provided at a holding hole formed at the center of the boss for urging the support shaft of the movable holding portion toward the bearing, and at a rear end in a longitudinal direction of the inner plate. The spring is configured to be sandwiched between a plurality of holding holes formed in a holding plate attached to a holding plate attaching portion higher than the length of the boss.

[0012] Further, a rib whose upper edge is in contact with the lower surface of the outer plate and which is perpendicular to the longitudinal direction is provided on the outer plate side of the pressing plate.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail based on embodiments with reference to the accompanying drawings. FIG.
FIG. 2A is an enlarged cross-sectional view of a wind direction plate according to an embodiment of the present invention, and FIG. 2A is an enlarged cross-sectional view of a main part of the wind direction plate according to an embodiment of the present invention. FIG. 5 is an exploded perspective view of an essential part showing an example of a mounting structure of a wind direction plate according to the present invention, FIG. 5 is an exploded perspective view showing an example of a mounting structure of a wind direction plate of the present invention, and FIG. It is a front view which shows an example of an attachment structure.

In the drawing, 1 is an integrated air conditioner body, 2 is a base, 3 is a partition plate, 4 is an outdoor fan, 5 is a front panel, 5a is an outlet, 5b is a suction port, and 5c is an operation unit. , 6 is an upper wall of the outlet, 6a is a support shaft, 6a1 is a conical portion, 6
a2 is a boss, 6a3 is a holding hole, 6b is an inner plate, 6b1 is U
A slit in the shape of a letter, 6b2 is a holding plate attaching portion, 6c is a movable holding portion, 6d is a holding plate, 6d1 is a holding hole, 6d2 is a rib, 6e is an outer plate, 6f is a concave portion, 7 is an outlet lower wall, and 7a is Support shaft, 7a1 is a conical portion, 8 is a wind direction plate, 8a is a bearing, 8a
1 is a cone receiving portion, 8a2 is a relief hole, 8b is a bearing, 8b1
Is a conical receiving portion, 8b2 is a relief hole, 9 is an outer casing, 11 is an indoor heat exchanger, 12 is an outdoor heat exchanger, 13 is a compressor, 1
4 is a spring. The same reference numerals are used for the same parts as in the conventional example.

The base 2 is provided in the outer casing 9 so as to be able to be delivered, and a partition plate 3 is erected on the base 2 to partition the room into an indoor side and an outdoor side. An indoor side fan (not shown) is provided, and an outdoor side heat exchanger 12, an outdoor side fan 4, a fan motor (not shown), a compressor 13 and the like are provided on the outdoor side.

On the front face of the main body 1, an air outlet 5 is provided to the right.
a, and a front panel 5 having an operation section 5c below and a suction port 5b on the left side is disposed.

Then, supporting shafts 6a, 7a are respectively disposed on the upper and lower walls 6, 7 of the outlet 5a so as to face each other.
A wind direction plate 8 having bearings 8a and 8b corresponding to a at both ends is rotatably supported.

Here, conical portions 6a1, 7a1 are formed at the tips of the support shafts 6a, 7a, while the conical portions 6a1, 7a1 are formed.
Conical receiving portions 8a1 and 8b1 that slide corresponding to a1 are formed on the bearings 8a and 8b.

At the same time, the upper wall 6 of the outlet 5a
Is formed as a two-stage configuration of a U-shaped outer plate 6e and an inner plate 6b that are connected vertically at the front, and a concave portion 6f that opens rearward is formed between the U-shaped outer plate 6e and the inner plate 6b. At the same time, a cylindrical boss 6a2 is projected above the support shaft 6a.

Further, by forming a U-shaped slit 6b1 connected rearward around the boss 6a2, a movable holding portion 6c for holding the support shaft 6a vertically movable and connecting to the inner plate 6b is provided. Pressing means for pressing the support shaft 6a of the movable holding portion 6c against the bearing 8a is provided.

Escape holes 8a2, 8 are provided at the innermost portions of the bearings 8a, 8b corresponding to the tips of the support shafts 6a, 7a.
b2 is formed.

Further, as the pressing means, a spring 14 is provided in the recess 6f in a direction for urging the support shaft 6a of the movable holding portion 6c toward the bearing 8a.

The spring 14 is provided with a holding hole 6a formed at the center of a boss 6a2 on the side of the recess 6f of the support shaft 6a.
3 and a plurality of holding holes 6d1 formed in a holding plate 6d provided in the recess 6f.

Then, at the longitudinal rear end of the inner plate 6b,
A holding plate mounting portion 6b2 that is longer than the length of the support shaft 6a on the side of the recess 6f is provided.

Further, the outer plate 6e of the pressing plate 6d
On the side, a rib 6d2 perpendicular to the longitudinal direction is provided. The upper edge of the rib 6d2 is in contact with the lower surface of the outer plate 6e.

Next, the operation and effect of the present invention will be described. Conical portions 6a1 and 7a1 each having a diameter gradually reduced toward the center of the distal end are formed around the distal end portions of the support shafts 6a and 7a. Since the bearings are formed on the bearings 8a and 8b, the play of the wind direction plate 8 can be suppressed when rotating.

In addition, escape holes 8a2 and 8b2 are formed in the innermost portions of the bearings 8a and 8b to eliminate the contact of the tips of the support shafts 6a and 7a. Is made to slide to reduce backlash.

Further, the support shaft 6a of the movable holding portion 6c
The spring 14 is disposed in the recess 6f in a direction to bias the shaft 6a toward the bearing 8a, so that the support shafts 6a and 7a are appropriately pressed downward to further improve the support shaft 6a.
The gap between the bearing and the bearing 8a is eliminated.

The pressing plate 6d having the rib 6d2 abutting on the lower surface of the outer plate 6e eliminates bending. By doing so, it is not necessary to bend the support shaft 6a and fit it into the bearing 8a at the time of assembling the wind direction plate 8, so that workability and reliability can be improved.

Further, even if the conical portions 6a1 and 7a1 and the conical receiving portions 8a1 and 8b1 are worn, the weight is always applied, so that the play is not increased and the stable quality is maintained. Furthermore, it can follow deformation due to thermal expansion during cooling and heating.

FIG. 2B is an enlarged sectional view of a main part showing another embodiment of the mounting structure of the wind direction plate according to the present invention. In this embodiment, the spring 14 is sandwiched between a holding hole 6a3 formed at the center of the boss 6a2 and the outer plate 6e.

The operation and effect of this embodiment are the same as those of the above-described embodiment, but the material cost is reduced because the pressing plate 6d is not required. However, the number of man-hours for individually attaching the springs 14 is required.

FIG. 4 is an enlarged sectional view of a main portion showing another embodiment of the mounting structure of the wind direction plate according to the present invention. In the case of this embodiment, as the pressing means, the material of the movable holding portion 6c is made of an elastic resin material, and the horizontal position of the support shaft 6a of the movable holding portion 6c is shifted below the inner plate 6b. ing.

The operation and effects of this embodiment are urged by the elastic force of the material of the movable holding portion 6c.
The cost is extremely low. In the above-described embodiment, the integrated air conditioner is taken as an example, but the present invention is not limited to this.

[0035]

As described above, in the present invention, a front panel having an air outlet and a suction port is provided on the front of the main body.
Attachment of a wind direction plate in which a plurality of support shafts are respectively arranged opposite to the upper and lower walls of the outlet, and a plurality of wind direction plates each having a bearing corresponding to the support shaft at both ends are rotatably supported. In the structure, a conical portion is formed at the tip of the support shaft, a conical receiving portion that slides corresponding to the conical portion is formed on the bearing, and a top wall that connects the upper wall of the outlet vertically upward and downward. As a two-stage configuration of a letter-shaped outer plate and an inner plate, a concave portion that opens rearward is formed between the outer plate and the inner plate, and the shaft is projected downward of the inner plate, and a cylindrical boss is formed on the shaft. By projecting and forming a U-shaped slit connected to the periphery of the boss at the rear, a movable holding portion that makes the support shaft freely movable up and down is formed, and the support shaft of the movable holding portion is pressed against the bearing. The pressing means is provided.

As a result, it is possible to provide an inexpensive wind direction plate mounting structure which is free from damage at the time of assembling the support shaft and the bearing of the wind direction plate and noise due to backlash, is easy to assemble, and is inexpensive.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view of a wind direction plate showing one embodiment of a wind direction plate mounting structure according to the present invention.

FIG. 2A is an enlarged sectional view of a main part showing one embodiment of a mounting structure of a wind direction plate according to the present invention, and FIG. 2B is an enlarged sectional view of a main part showing another embodiment.

FIG. 3 is an exploded perspective view of a main part showing an example of a mounting structure of a wind direction plate according to the present invention.

FIG. 4 is an enlarged sectional view of a main part showing another embodiment of a structure for mounting a wind direction plate according to the present invention.

FIG. 5 is an exploded perspective view showing an example of the mounting structure of the present invention or a conventional wind direction plate.

FIG. 6 is a front view showing an example of the mounting structure of the present invention or a conventional wind direction plate.

FIG. 7 is an enlarged cross-sectional view of a wind direction plate corresponding to BB ′ in FIG. 6 showing an example of a conventional wind direction plate mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Base 3 Partition plate 4 Outdoor fan 5 Front panel 5a Air outlet 5b Inlet 5c Operation part 6 Upper wall of outlet 6a Support shaft 6a1 Conical part 6a2 Boss 6a3 Holding hole 6b Inner plate 6b1 U-shaped Slit 6b2 Holding plate attaching portion 6c Movable holding portion 6d Holding plate 6d1 Holding hole 6d2 Rib 6e Outer plate 6f Concave portion 7 Lower wall of outlet 7a Support shaft 7a1 Conical portion 8 Winding plate 8a Bearing 8a1 Cone receiving portion 8a8 Conical bearing portion 8a8 Escape hole 8a8 Receiving part 8b2 Escape hole 9 Outer casing 11 Indoor heat exchanger 12 Outdoor heat exchanger 13 Compressor 14 Spring

Claims (6)

[Claims] 1. A front panel having an air outlet and a suction port is provided on a front surface of a main body, and a plurality of support shafts are provided on upper and lower walls of the air outlet so as to face each other, and a bearing corresponding to the support shaft is provided. A wind direction plate mounting structure in which a plurality of wind direction plates having pivots at both ends are rotatably supported, wherein a cone portion is formed at the tip of the support shaft, and the cone receiver slides corresponding to the cone portion. The upper wall of the outlet is formed in a two-stage configuration of a U-shaped outer plate and an inner plate that are connected vertically at the front, and a concave portion that opens rearward is formed between the upper wall and the inner plate. By projecting the support shaft downward, a cylindrical boss is projected above the support shaft, and a U-shaped slit is formed around the boss so as to be connected to the rear of the support shaft. A movable holding portion is formed to be movable, and a pusher for pressing a support shaft of the movable holding portion against the bearing is provided. A mounting structure for a wind direction plate, comprising a pressure means. 2. A mounting structure for a wind direction plate according to claim 1, wherein a relief hole is formed in a deepest portion of said bearing corresponding to a tip of said support shaft. 3. The method according to claim 1, wherein the pressing means is a movable holding portion that is made of a resin material having elasticity and that shifts the position of the support shaft portion below the inner plate. The mounting structure of the wind direction board according to claim 1 or 2. 4. The pressing means sandwiches a support shaft of the movable holding portion between a holding hole formed at the center of the boss that urges the support shaft toward the bearing and the outer plate. The mounting structure for a wind direction plate according to claim 1 or 2, wherein the mounting structure is a spring. 5. The holding means is provided at a holding hole formed at the center of the boss that urges the support shaft of the movable holding portion toward the bearing, and at a rear end in a longitudinal direction of the inner plate. The wind direction plate according to claim 1 or 2, wherein the spring is a spring which is sandwiched between a plurality of holding holes formed in a holding plate attached to a holding plate attaching portion higher than the length of the boss. Mounting structure. 6. The wind direction plate according to claim 5, wherein a rib perpendicular to the longitudinal direction is provided on the outer plate side of the pressing plate, the upper edge being in contact with the lower surface of the outer plate. Mounting structure.