JP2001355873A - Air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a manufacturing cost and to perform a work to lock a telegraph source wire at a low cost and easily. SOLUTION: One side edge of a cover 4 to protect a valve 2 for connecting refrigerant piping situated at the side of a casing 1 and a terminal 3 for telegraph source wire connection is integrally formed at the casing 1 through a thin hinge part 17. The cover 4 is closed centering around the hinge part 17, and only by engaging a protrusion part 8, situated on the other side edge of the cover 4, with a lock hole 7a of a lock piece 7 protruding from the other side edge of the casing 1, the valve 2 and the terminal 3 can be protected by covering the valve and the terminal by the cover 4. By pressing a telegraph source wire 10 against the side of the casing 1 by a press part 18 situated on the back of the cover 4, the telegraph source wire 10 can be locked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner in which the manufacturing cost is low and the work of locking a telegraph power supply line can be carried out inexpensively and easily.

[0002]

2. Description of the Related Art Conventionally, as a technology of an air conditioner, Japanese Utility Model 3
JP-A-52527 discloses an example of the outdoor unit of an air conditioner, in which a compressor and a fan are incorporated. A refrigerant pipe connection valve 2 and a telegraph power line connection terminal 3 are provided in a recess 1a formed on the side surface of the housing 1, and a predetermined space is provided at one side edge of a cover 4 for protecting the valve 2 and the terminal 3. The cover 4 is fitted around the contact point between the connecting piece 5 and the through-hole 6 by fitting the substantially L-shaped connecting piece 5 projecting therefrom into the through-hole 6 formed through one side edge of the concave portion 1a. Rotatably supported, recess 1a
A lock piece 7 with a lock hole 7a protrudes from the other side edge of the cover 4 and a projection 8 protrudes from the other side edge of the cover 4 so as to face the lock piece 7. In addition, 9 is a refrigerant pipe connected to the valve 2, 10 is a telegraph power line connected to the terminal 3, and 11 is a locking member of the telegraph power line 10.

In the above configuration, when closing the recess 1a from the state shown by the solid line in FIG. 6, the cover 4 may be closed. As a result, the protrusion 8 provided on the other side edge of the cover 4 is engaged with the lock hole 7a, and the cover 4 is locked in the closed state (see the phantom line in FIG. 6). To open the recess 1a, the cover 4 may be opened in the reverse procedure.

The locking member 11 has a metal frame 12 whose central portion is bent in a substantially U-shape, and a central bent portion 12 a of the frame 12 is engaged with the telegraph power line 10. In this state, one end is inserted into the hole 13a of the projecting portion 13 integrally formed with the housing 1, and then the screw 15 is screwed into the screw hole 14 of the housing 1 through the other end of the frame 12. , Telegraph power line 1
0 can be locked at a predetermined position in the concave portion 1a.

[0005]

In the above-mentioned conventional configuration,
Since the cover 4 and the housing 1 are separate pieces, two dies are required for manufacturing both of them, and the manufacturing cost is high. In addition, since the cover 4 is manufactured separately from the housing 1, there is a possibility that the number of the covers 4 may be too large or small relative to the number of the housings 1. Furthermore, it is necessary to attach the cover 4 to the housing 1 on the assembly line, which takes time for the assembly operation.

In addition, the locking tool 11 is used to lock the telegraph power line 10, and the locking work is troublesome, and the locking tool 11 is separate from the housing 1 and the cover 4. Because of this, the number of parts increases and the production cost increases.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and has as its object to provide an air conditioner in which the manufacturing cost is reduced and the work of locking a telegraph power supply line can be performed inexpensively and easily. And

[0008]

In order to achieve the above object, the invention according to claim 1 provides a cover for protecting a refrigerant pipe connection valve and a telegraph power line connection terminal provided on a side surface of a housing. In an air conditioner in which one side edge is rotatably supported by the housing and the other side edge of the cover is removably locked to the housing, one side edge of the cover is thin. It is characterized by being formed integrally with the housing via a hinge portion.

In the above arrangement, the cover is closed around the thin hinge portion, and the other side edge of the cover is merely engaged with the housing. The connection terminal can be covered and protected, and the valve and the terminal can be opened only by opening the cover in the reverse procedure.

In this case, since one side edge of the cover is formed integrally with the housing via the thin hinge portion, only one mold is required for manufacturing both of them, and the manufacturing cost is reduced. . In addition, since the number of covers and the number of housings naturally coincide with each other, it is possible to eliminate troubles caused by excessive or insufficient cover. Further, since there is no need to attach the cover to the housing on the assembly line, the assembly operation can be simplified as compared with the related art.

According to a second aspect of the present invention, in the first aspect of the present invention, a pressing portion is provided on a back surface of the cover for pressing a power line connected to the terminal to a side surface of the housing. It is characterized by:

According to the above construction, the telegraph power line can be pressed against the side surface of the housing by the pressing portion provided on the back surface of the cover only by closing the cover, and the telegraph power line can be locked. In addition, since there is no need for a device equivalent to a conventional locking device, manufacturing costs can be reduced.

According to a third aspect of the present invention, in the second aspect of the present invention, a hemispherical projection is provided at a tip of the pressing portion.

According to the above configuration, by closing the cover, the hemispherical projection formed at the tip of the pressing portion bites into the telegraph power line, so that the telegraph power line can be more securely locked. .

According to a fourth aspect of the present invention, in the first aspect of the present invention, a pair of holding portions for holding the telegraph power line are integrally formed on a side surface of the housing. It is characterized by:

According to the above construction, the telegraph power line can be positioned at a predetermined position only by inserting the telegraph power line between the pair of holding portions, and the pair of holding portions are integrated with the side surface of the housing. Since it is formed, the number of parts does not increase and the manufacturing cost is reduced.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the pair of holding portions and the pressing portion are provided close to each other.

According to the above construction, the telegraph power line can be securely locked at a predetermined position by the pair of holding portions and pressing portions which are brought close to each other.

[0019]

1 and 2 show an outdoor unit of an air conditioner according to an embodiment of the present invention. One side edge of a cover 4 is provided with a hinge 17 via a housing. 1, a pressing portion 18 is provided on the back surface of the cover 4, and a pair of holding portions 19 are provided on a side surface of the housing 1. Structures other than those described above are almost the same as those of the conventional example shown in FIGS. 5 and 6, and the same parts are denoted by the same reference numerals and description thereof will be omitted.

As shown in FIGS. 1 and 2, the hinge portion 17 is thin and is formed integrally with the cover 4 and the housing 1 made of a synthetic resin. The cover 4 is closed by moving the cover 4 around the hinge 17 and engaging the projection 8 provided on the other side edge of the cover 4 with the lock hole 7 a of the lock piece 7. The refrigerant pipe connection valve 2 and the telegraph power line connection terminal 3 can be covered and protected (see the phantom line in FIG. 2).
The valve 2 and the terminal 3 can be opened by opening the cover 4 in the reverse procedure.

In this case, since one side edge of the cover 4 is formed integrally with the housing 1 via the thin hinge portion 17, only one mold is required for manufacturing the two. ,
Manufacturing costs are low. In addition, since the number of the covers 4 and the number of the housings 1 naturally coincide with each other, it is possible to eliminate a trouble caused by excessive or insufficient cover 4. Further, since it is not necessary to attach the cover 4 to the housing 1 on the assembly line, the assembly operation can be simplified as compared with the related art.

As shown in FIGS. 2 to 4, the pressing portion 18 is integrally protruded from the back surface of the cover 4 and extends along the transverse direction of the telegraph power line 10, and its width h is set to the width of the telegraph power line. 1
The width H is set slightly smaller than the width H of 0.

According to the above configuration, the telegraph power line 10 can be pressed against the side surface of the housing 1 by the pressing portion 18 just by closing the cover 4, and the telegraph power line 10 can be locked. Since there is no need for a component equivalent to the locking tool 11 (see FIG. 5), the manufacturing cost can be reduced.

In particular, as shown in FIG.
It is preferable that a plurality of hemispherical projections 18a are protrudingly provided at the front end of the power transmission line 10 so as to face the electric wires 10a of the telegraph power supply line 10. As a result, when the cover 4 is closed, the respective hemispherical projections 18a bite into the telegraph power line 10, so that the telegraph power line 10 can be locked more reliably.

As shown in FIGS. 3 and 4, the pair of holding portions 19 are formed in a columnar shape, and are integrally formed on the side surface of the housing 1 at substantially the same interval as the width H of the telegraph power supply line 10. Have been.

According to the above configuration, the telecommunications power supply line 10 is inserted between the pair of holding portions 19 only.
Can be positioned at a predetermined position, and since the pair of holding portions 19 are integrally formed on the side surface of the housing 1, the number of parts does not increase and the manufacturing cost is reduced.

The pressing portion 18 and the pair of holding portions 19 may be provided separately from each other. However, as shown in FIGS. It is preferable to arrange them close to each other.

According to the above configuration, the telegraph power supply line 10 can be securely locked at a predetermined position by the pair of holding portions 19 and pressing portions 18 which are brought close to each other.

[0029]

According to the first aspect of the present invention, since one side edge of the cover is formed integrally with the housing via the thin hinge portion, one mold for manufacturing both of them is provided. Only the production cost is low. In addition, since the number of covers and the number of housings naturally coincide with each other, it is possible to eliminate troubles caused by excessive or insufficient cover. Further, since there is no need to attach the cover to the housing on the assembly line, the assembly operation can be simplified as compared with the related art.

According to the second aspect of the present invention, by simply closing the cover, the telegraph power line is pressed against the side surface of the housing by the pressing portion provided on the back surface of the cover to lock the telegraph power line. Therefore, since there is no need for a device equivalent to a conventional locking device, manufacturing costs can be reduced.

According to the third aspect of the present invention, when the cover is closed, the hemispherical projection formed at the tip of the pressing portion bites into the telegraph power line, so that the telegraph power line is more securely locked. can do.

According to the fourth aspect of the present invention, the telegraph power supply line can be positioned at a predetermined position only by inserting the telegraph power supply line between the pair of holding portions, and the pair of holding portions are provided in the housing. Since it is integrally formed on the side surface of the device, the number of parts does not increase and the manufacturing cost is reduced.

According to the fifth aspect of the present invention, the telecommunications power supply line can be reliably locked at a predetermined position by the pair of holding portions and the pressing portion approaching each other.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a horizontal sectional view of the same.

FIG. 3 is a side view of the main part.

FIG. 4 is a view as viewed in the direction of arrows AA in FIG. 3;

FIG. 5 is a perspective view showing a conventional example.

FIG. 6 is a horizontal sectional view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Refrigerant piping connection valve 3 Telegraph power line connection terminal 4 Cover 10 Telegraph power line 17 Hinge part 18 Pressing part 18a Protrusion part 19 Nipping part

Claims (5)

[Claims] 1. A side edge of a cover for protecting a refrigerant pipe connection valve and a telegraph power line connection terminal provided on a side surface of a housing is rotatably supported by the housing, and the cover is provided with the cover. In the air conditioner, the other side edge of which is detachably engaged with the housing, one side edge of the cover is formed integrally with the housing via a thin hinge portion. Air conditioner. 2. The air conditioner according to claim 1, wherein a pressing portion for pressing a power line connected to the terminal to a side surface of the housing is provided on a back surface of the cover. 3. The air conditioner according to claim 2, wherein a hemispherical projection is protruded from a tip of the pressing portion. 4. The air conditioner according to claim 1, wherein a pair of holding portions for holding the telegraph power line are integrally formed on a side surface of the housing. 5. The air conditioner according to claim 4, wherein the pair of holding portions and the pressing portion are provided close to each other.