JPH10246461A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner in which a connecting part between a base and an air blowing casing constituting the main body of the air conditioner is reinforced to prevent any clearance from being generated there and further to prevent air not heat exchanged from entering the air conditioner and dew is prevented from being formed at an air blowing fan. SOLUTION: An air conditioner is constructed such that an air passage connecting a suction port arranged at a front surface and/or an upper surface of the main body with an air blowing port formed by an air blowing casing 8 arranged at a lower part of the front surface side and connected to a base 6 constituting the main body is provided with a heat exchanger and a blower fan arranged at the base and cooperatively connected to a driving motor through a fan wrap section 7. In this case, the fan wrap section and the air blowing casing are provided with hub sections 6a, 8a having some threaded holes, the screws 13 inserted into and passed through the fixing holes are threadably fitted to the threaded holes with the reinforcing member 12 having fixing holes 12a corresponding to both hub sections so as to reinforce the connected section between the base and the air blowing casing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more specifically, to a heat exchanger which is reinforced so as not to form a gap at a connection between a base constituting a main body and a blower casing, and is not heat-exchanged. The present invention relates to a structure that prevents air from entering and prevents condensation from occurring in a blower fan.

[0002]

2. Description of the Related Art As shown in FIG. 1 and FIGS. 4 (A) to 4 (C), for example, a conventional air conditioner has a suction port 2 provided on a front surface and / or an upper surface of a main body 1. As shown in FIG. A heat exchanger 3 and an air passage provided in a lower portion on the front side and connected to an air outlet 5 formed by a blower casing 8 connected to a base 6 constituting the main body 1;
Drive fan 9 covered with motor cushion 10 and motor cover 11 through fan wrap portion 7 having a dew path
And a blower fan 4 linked to the above.

[0003] Since the drive shaft 9a of the drive motor 9 is inserted into the fan wrap portion 7, wind is blocked with the motor cover 11 interposed therebetween. 4C, the strength of the hatched portion B ′ shown in FIG. 4C is insufficient, so that the seam a is changed by the weight of the drive motor 9. Is deformed downward, thereby spreading, and a gap is formed at the location, so that room air that has not been subjected to heat exchange enters from the outlet 5 side, and dew condensation occurs on the blower fan 4. Had the problem that

As a countermeasure against the above-mentioned problem, the joint a
However, a sealing material is required as a separate member, and extra work is required, which is disadvantageous in terms of cost.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, the present invention reinforces the connecting portion between the base constituting the main body and the blower casing so as not to form a gap, so that the air which has not been heat-exchanged is removed. It is an object of the present invention to provide an air conditioner in which the air conditioner is prevented from entering and the dew condensation is prevented from occurring in the blower fan.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to connect a suction port provided on a front surface and / or an upper surface of a main body and a base provided on a lower portion on the front side and constituting the main body. In the air passage connecting the outlet formed by the blower casing provided, a heat exchanger and a blower fan provided on the base and connected to a drive motor via a fan wrap portion provided with a dew path are provided. In the air conditioner, a boss having a screw hole is provided in the fan wrap portion and the blower casing, and the mounting hole is inserted by a reinforcing member having a mounting hole corresponding to the both boss portions. A screw is screwed into the screw hole to reinforce the connection between the base and the blower casing.

Also, a positioning rib is provided on the fan wrap portion, a positioning hole is provided in the reinforcing member corresponding to the positioning rib, and the reinforcing member is positioned by inserting the positioning rib into the positioning hole. The configuration is as follows.

Further, the positioning rib is formed in a substantially rectangular cross section or a substantially elliptical cross section, and the positioning hole is formed in a shape corresponding to the cross section.

In addition, the peripheral edge of the boss provided on the fan wrap is connected to the rear end of the positioning rib facing the boss.

Further, the boss portion of the fan wrap portion and the positioning rib are formed integrally with the dew path.

The upper end of the side wall of the dew path and the two bosses are formed to have substantially the same height.

[0012] Also, while a locking piece is provided on the reinforcing member, a notch is formed in the dew path of the fan wrap portion corresponding to the locking piece, and a locking section is provided on the blower casing. The locking piece, in which the notch is inserted through the locking portion, is locked to reinforce the connection between the base and the blower casing.

The locking piece is formed in a substantially L shape, the locking portion is formed by a horizontal reinforcing rib, and the locking piece is locked below the reinforcing rib. It has become.

Further, the reinforcing member is made of sheet metal, and the locking piece is bent to be integrally formed.

[0015]

According to the above construction, the connection between the base constituting the main body and the blower casing is reinforced so as not to form a gap, so that air which has not been subjected to heat exchange does not enter, and An air conditioner that prevents condensation from occurring on the fan.

[0016]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 and FIGS. 2A to 2D
3 (A) and FIG. 3 (B), 1 is an air conditioner main body, 2 is a suction port provided on the front and / or top surface of the main body 1, and 3 is a suction port 2 described later. A heat exchanger provided in an air passage connecting to the air outlet, a blower fan provided in the air passage, and an air taken in from the suction port and heat-exchanged by the heat exchanger into a room. An outlet for blowing out the air, 6 is a base constituting the main body 1, 7 is a fan wrap portion provided on the base 6 and provided with a dew path 6 ′, and 8 is connected to the base 6 to form the outlet 5. The blower casing 12 is a reinforcing member for connecting the blower casing 8 to the base 6 in a reinforced state.

The fan wrap portion 7 and the blower casing 8 are provided with boss portions 6a and 8a having screw holes, and the reinforcing member 12 having mounting holes 12a corresponding to the boss portions 6a and 8a. The screw that passed through the mounting hole 12a.
13 is screwed into the screw hole so as to reinforce the connection between the base 6 and the blower casing 8.
And since the connection part of the said ventilation casing 8 was reinforced,
As described above as the prior art, the strength of the hatched portion B ′ shown in FIG. 4 (C) does not become insufficient, and the seam “a” is moved downward by the weight of the drive motor 9. Since the space is not deformed and expanded and no gap is formed in the place, room air that has not been subjected to heat exchange does not enter from the outlet 5 side, and dew condensation occurs on the blower fan 4. It is a structure that prevents it from occurring.

A positioning rib 6b is provided on the fan wrap portion 7, while a positioning hole 12b is provided in the reinforcing member 12 corresponding to the positioning rib 6b, and the positioning rib 6b is inserted into the positioning hole 12. By positioning the reinforcing member 12, the bosses 6a and 8a and the mounting hole 12a can be accurately positioned. Therefore, the reinforcing member 12 is fixed to the boss portions by the screw 13. The structure is such that it can be easily screwed and fixed to the screw holes 6a and 8a.

The positioning rib 6b has a substantially rectangular cross section or a substantially elliptical cross section while the positioning hole 12b is formed in a shape corresponding to the cross section, so that the reinforcing member 12 is prevented from rotating. As described above, the reinforcing member 12 can be easily screwed and fixed to the screw holes of the bosses 6a and 8a by the screw 13 so that the positioning can be performed accurately.

As shown in FIG. 3A, the periphery of the boss portion 6a provided on the fan wrap portion 7 and the rear end of the positioning rib 6b opposed thereto are connected to each other. The strength of the boss portion 6a and the positioning rib 6b is increased, so that the reinforcing member 12 can be positioned more accurately and can be fixed more firmly.

The boss portion 6a of the fan wrap portion 7 and the positioning rib 6b are connected as shown in FIG. It is finished and has a cost-effective configuration.

The upper end of the side wall 6'a of the dew path 6 'and the two bosses 6a and 8a are connected to each other by a two-dot chain line a in FIG.
As shown in the figure, the reinforcing members 12 are formed at substantially the same height so that the reinforcing member 12 is stably supported at the three-point support at the upper ends of the bosses 6a and 8a and the upper end of the side wall 6'a. It is configured to be able to be assembled.

Further, while the reinforcing member 12 is provided with a locking piece 12c, a notch 6c is formed in the dew path 6 'of the fan wrap portion 7 corresponding to the locking piece 12c, and the blower casing 8 is formed. Is provided with a locking portion, and as shown in FIG.
By locking the locking piece 12c into which the notch 6c is inserted, the reinforcing portion of the connecting portion between the base 6 and the blower casing 8 is reinforced. The connection portion of the blower casing 8 can be connected in a further strengthened state.

As shown in FIG. 3B, the locking piece 12c is formed in a substantially L-shape, and the locking portion is formed by a horizontal reinforcing rib. Locking piece 12c
Is locked, so that the blower casing 8 can be accurately and firmly held so as not to be deformed downward.

Further, the reinforcing member 12 is made of sheet metal, and the locking piece 12c is bent to be integrally formed.
With a member having sufficient strength, the dimensions and shape are accurately finished, which is advantageous in cost.

With the above structure, as shown in FIG. 1, FIG. 2 (A) to FIG. 2 (D), and FIG. 3 (A) and FIG. Bosses 6a and 8a having screw holes are provided in the casing 8 side by side, and the reinforcing member 12 having the mounting holes 12a corresponding to the bosses 6a and 8a is used to screw the screws 13 inserted through the mounting holes 12a. By screwing into the screw holes to reinforce the connection between the base 6 and the blower casing 8, the hatched portion B 'shown in FIG. Insufficient strength is ensured, and the joint (a) is
Is prevented from being deformed downward and expanding, and no gap is formed at the location, so that room air that has not been subjected to heat exchange does not enter from the outlet 5 side, and dew condensation occurs on the blower fan 4. It becomes an air conditioner that prevents it from being done.

[0027]

As described above, according to the present invention, the connection between the base constituting the main body and the blower casing is reinforced so as not to form a gap, so that air which has not been subjected to heat exchange does not enter. An air conditioner that prevents condensation from occurring in the blower fan.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an air conditioner according to the present invention and a conventional example.

FIG. 2 is an explanatory view of a main part showing an embodiment of the air conditioner according to the present invention, wherein (A) is an exploded perspective view, (B) is a perspective view showing an assembled state of a reinforcing member, (C) is a perspective view of a main part, and (D) is a view on arrow C shown in (C).

FIG. 3 is an explanatory view of a main part showing another embodiment of the air conditioner according to the present invention, wherein (A) is a perspective view showing an assembled state of a reinforcing member, and (B) is a D shown in (A). FIG.

FIG. 4 is an explanatory view of a main part of an air conditioner according to a conventional example.
(A) is an exploded perspective view, (B) is a view on arrow A shown in (A), and (C) is an enlarged view of a portion B shown in (A).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Suction port 3 Heat exchanger 4 Blower fan 5 Outlet 6 Base 6 'Dew path 6'a Side wall of dew path 6a Base boss part 6b Positioning rib 6c Notch part 7 Fan wrap part 8 Blast casing 8a Boss of blower casing 9 Drive motor 12 Reinforcement member 12a Mounting hole 12b Positioning hole 12c Locking piece 13 Screw

Claims (9)

[Claims] An air passage connecting an inlet provided on a front surface and / or an upper surface of a main body and an air outlet provided on a lower part on the front side and formed by a blower casing connected to a base constituting the main body. An air conditioner comprising a heat exchanger, and a blower fan provided on the base and provided with a dew path and linked to a drive motor, wherein the fan wrap portion and the blower casing A boss provided with a screw hole, and a screw inserted through the mounting hole is screwed into the screw hole by a reinforcing member having a mounting hole corresponding to the both bosses. An air conditioner characterized by reinforcing a connection portion of the air conditioner. 2. A positioning rib is provided on the fan wrap portion, a positioning hole is provided in the reinforcing member corresponding to the positioning rib, and the positioning rib is inserted into the positioning hole to position the reinforcing member. The air conditioner according to claim 1, wherein: 3. The air conditioner according to claim 2, wherein the positioning rib has a substantially rectangular cross section or a substantially elliptical cross section, and the positioning hole has a shape corresponding to the cross section. 4. The air conditioner according to claim 1, wherein a peripheral edge of the boss portion provided on the fan wrap portion and a rear end of the positioning rib opposed thereto are connected. . 5. The air conditioner according to claim 1, wherein the boss portion of the fan wrap portion and the positioning rib are formed integrally with the dew path. 6. The air conditioner according to claim 1, wherein the upper end of the side wall of the dew path and the both bosses are formed to have substantially the same height. Machine. 7. A locking member is provided on the reinforcing member, and a notch is formed in a dew path of the fan wrap portion corresponding to the locking member, and a locking portion is provided on the blower casing. 7. The reinforcing piece of the connecting portion between the base and the blower casing, wherein the locking piece having the cutout portion inserted therein is locked by the locking portion to enhance the reinforcement. 8. Air conditioner. 8. The locking piece is formed in a substantially L-shape, the locking portion is formed by a horizontal reinforcing rib, and the locking piece is locked below the reinforcing rib. The air conditioner according to claim 7, wherein: 9. The air conditioner according to claim 7, wherein the reinforcing member is made of sheet metal, and the locking piece is formed integrally by bending.