JP5084816B2 - Air conditioner internal / external communication line fixing structure - Google Patents

Description

  The present invention relates to a fixing structure of an internal / external communication line for connecting an outdoor unit and an indoor unit in a multi-type air conditioner in which a plurality of indoor units are connected to a single outdoor unit.

FIG. 10 is a perspective view of a conventional air conditioner outdoor unit with a cross-sectional panel removed, FIG. 11 is a front view of the vicinity of the electric component mounting base of FIG. 10, and FIG. 12 is a side view of the main part of FIG. .
On one side of the outdoor unit 70, a compressor 72 and a pipe 73 are installed in the lower part, and an electrical product mounting base 74 is installed in the upper part. A plurality of terminal blocks 75a to 75n and electrical products corresponding to each indoor unit are provided. A machine room 71 is provided in which are arranged.

  Each terminal block 75a to 75n is connected to a plurality of internal and external communication lines 76a to 76n each having one end connected to an indoor unit (not shown). Alternatively, they are gathered into a plurality of pieces and fixed to the electrical component mounting base 34 by strip-shaped presser fittings 77a, 77b, 77c. In addition, 78 is a heat exchanger installed from the other side surface of the machine room 71 to the back surface, and 79 is a front panel having a blow grill (not shown) on the front surface side and covering the front surface and the other side surface. A blower chamber 81 in which a blower and the like are installed is provided between the machine 78 and the front panel 79 via a partition plate 80 between the machine chamber 71.

  In addition, there is a receiving metal fitting formed in a step shape with a long hole for passing the cable in a predetermined direction, and a holding metal fitting having a plurality of U-shaped bent portions and attached to the surface of the receiving metal fitting. Also disclosed is a cable holding structure in which a cable passed through a long hole is clamped and fixed between a receiving metal fitting and a U-shaped bent portion of a holding metal fitting (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 1-87586 (page 3-4, FIG. 1)

  In the conventional internal / external communication line fixing structure shown in FIGS. 10 to 12, since the internal / external communication lines 76a to 76n are fixed by the belt-shaped presser fittings 77a to 77c, the presser fittings 77a to 77c are connected to the terminal blocks 75a. Installation space is required for each of the one or two internal / external communication lines 76a to 76n connected to ~ 75n. For this reason, it is impossible to install a plurality of internal / external communication lines 76a to 76n in a narrow space. It was difficult.

  In addition, the cable holding structure disclosed in Patent Document 1 has a problem in that installation is troublesome and requires a lot of man-hours because a plurality of cables must be inserted into the elongated holes of the metal fittings formed in a staircase shape. It was.

  The present invention has been made to solve the above problems, and can efficiently fix a plurality of internal and external communication lines connected to a terminal block even in a narrow space, and is inexpensive and easy to assemble and service. It is an object of the present invention to provide an excellent air conditioner internal / external communication line fixing structure.

The internal / external communication line fixing structure for an air conditioner according to the present invention is a multi-type air conditioner in which a plurality of indoor units are connected to a single outdoor unit by a plurality of internal / external communication lines. The internal and external communication lines are fixed to the main body of the outdoor unit by a communication line fixing tool,
The communication line fixing tool has a main body portion having a substantially U-shaped cross section and is fixed to the main body of the outdoor unit. The first and second receivers are arranged in parallel in the longitudinal direction on the top surface. A fixed pedestal on which an internal / external communication line is placed, and a width that is narrower than the fixed pedestal and about half the length of the fixed pedestal, and has a convex presser part, A first pressing member disposed on each of the first receiving portion and the second receiving portion of the pedestal and fixed to the fixed pedestal; and wider than the first pressing tool and having a substantially U-shaped cross section. The inner and outer communication lines are mounted on the first and second receiving portions arranged in the longitudinal direction on the top surface so as to cover the first presser and to be fixed to the fixed base. And a receiver disposed on the first receiver and the second receiver of the receiver and fixed to the receiver. The second presser having the same structure as that of the first presser, and the first presser disposed on the first receiving portion of the fixed base is formed on the top surface of the fixed base. The fixed base in a state where the inner and outer communication lines placed on the first receiving part of the fixed base so as to intersect the longitudinal direction are sandwiched between the pressing part and the first receiving part of the fixed base. The first presser fixed to the top surface of the fixed pedestal with screws and disposed on the second receiving portion of the fixed pedestal is arranged to cross the longitudinal direction of the top surface of the fixed pedestal. The inner and outer communication lines placed on the second receiving portion are clamped between the holding portion and the second receiving portion of the fixed base, and are fixed to the top surface of the fixed base with screws, The second presser disposed on the first receiving part of the tool includes a longitudinal direction of the top surface of the receiver and In a state where the inner and outer communication lines placed on the first receiving portion of the receiving device are sandwiched between the pressing portion and the first receiving portion of the receiving device, the top surface of the receiving device The second pressing member fixed on the second receiving portion of the receiving member and the second pressing member arranged on the second receiving portion of the receiving member intersects with the longitudinal direction of the top surface of the receiving member. The inner and outer communication lines placed on the receiving portion are fixed to the top surface of the fixed base with screws in a state where the inner and outer communication lines are sandwiched between the pressing portion and the second receiving portion of the receiving tool .

According to the present invention, by a communication-line fixture a plurality of outdoor communication lines can be fixed to the main body of the outdoor unit rather by efficiency, assemblability even in a small space at low cost, outdoor communication line having excellent serviceability Can be obtained.

It is explanatory drawing of the internal / external communication line fixing structure of the air conditioner which concerns on Embodiment 1 of this invention. It is a perspective view of the outdoor unit of the air conditioner which abbreviate | omitted one part. FIG. 3 is a front view of the electrical product mounting portion of FIG. 2. It is a side view which shows the state which fixed the some internal / external communication line with the communication line fixing tool of FIG. It is a disassembled perspective view of the communication wire fixing tool of FIG. It is explanatory drawing of the internal / external communication line fixing structure of the air conditioner which concerns on Embodiment 2 of this invention. It is a side view which shows the state which fixed the some internal and external communication line with the communication line fixing tool of FIG. It is a disassembled perspective view of the communication wire fixing tool of FIG. It is explanatory drawing of the procedure which fixes a some internal / external communication line with the communication line fixing tool of FIG. It is a perspective view of the state which removed the side panel of the outdoor unit of the conventional air conditioner. It is a front view of the electric mounting base periphery of FIG. It is a side view of the principal part of FIG.

[Embodiment 1]
FIG. 1 is an explanatory diagram of an internal / external communication line fixing structure for an air conditioner according to Embodiment 1 of the present invention, FIG. 2 is a perspective view of an outdoor unit of the air conditioner with a part omitted, and FIG. It is a front view of an article attachment part.
A compressor (not shown), a pipe 3 and the like are installed in the lower part of the machine room 2 provided on one side of the outdoor unit 1, and an electrical product mounting part 4 is provided in the upper part. In addition, 8 is a heat exchanger installed from the back surface to the other side surface, and 9 is a partition plate that partitions the machine room 2 and the adjacent air chamber.

  An electrical component 5 or the like is disposed in the upper part of the electrical product mounting portion 4, and a plurality of terminal blocks 6 a to 6 f (hereinafter simply referred to as 6) are installed in the lower part. The terminal blocks 6a to 6f have a plurality of internal and external communication lines 7a to 7f (hereinafter simply referred to as communication lines), one end of which is connected to each indoor unit (not shown). 7 are connected to each other, and the plurality of communication lines 7a to 7f are collectively connected to the main body (in this case, the partition plate 9) of the outdoor unit 1 by the communication line fixture 10. ).

FIG. 4 is an explanatory view showing a state where a plurality of communication lines 7 are collectively fixed to the partition plate 9 by the communication line fixture 10, and FIG. 5 is an exploded perspective view of the communication line fixture 10 of FIG.
As shown in FIG. 5, the communication line fixing tool 10 includes a fixing base 11, a receiving tool 20, and a pressing tool 30. Hereinafter, these will be described in detail.

  The fixed base 11 has concave first and second holding portions 12a and 12b for holding the communication line 7, and screw insertion holes 14, and between the holding portions 12a and 12b and on the holding portions 12a on both sides. Fixing portions 13a to 13c provided at positions higher than 12b and having screw insertion holes 14, and extending downward from the outer walls of the fixing portions 13b and 13c on both sides, and then bent outward to form screw insertion holes 16. The mounting pieces 15a and 15b are provided, and support pieces 17a and 17b that are extended downward from both sides of the holding portions 12a and 12b and then bent outward.

  The holder 20 has a length substantially equal to the length between the outer walls of the fixed portions 13b and 13c of the fixed pedestal 11, its width is substantially equal to the width of the fixed pedestal 11, and both ends in the longitudinal direction are downward. It has a main body 21 that is bent and provided with engagement pieces 23a and 23b, and is clamped by bending upward at positions corresponding to the fixing portions 13a to 13c of the fixing base 11 on both side edges of the main body 21. The parts 24a to 24c are respectively provided, and the first and second receiving parts 25a and 25b of the communication line 7 are provided between the holding parts 24a and 24b and between 24a and 24c. And between each opposing clamping part 24a-24c of the main-body part 21, it corresponds to the screw insertion hole 14 provided in fixing | fixed part 13a-13c of the fixed base 11, and screw insertion hole 22 (screw insertion hole of both sides) 22 is a long hole).

  The presser 30 has a length that is substantially the same as the length of the receiving plate 21 of the receiver 20, and a width that is substantially the same as the interval between the inner walls of the opposing clamping portions 24 a to 24 c of the receiver 20. And the convex 1st, 2nd holding | suppressing part 31a, 31b is provided corresponding to the receiving parts 25a, 25b of the receiving tool 20, and a receiving tool is provided between the holding parts 31a, 31b and both ends. Corresponding to the 20 clamping portions 24a to 24c, there are provided mounting portions 32a to 32b which are bent downward from the pressing portions 31a and 31b to form flat portions, and the flat portions of the respective mounting portions 32a to 32b are provided. A screw insertion hole 33 is provided corresponding to the screw insertion hole 22 of the receiver 20.

Next, an example of a procedure for fixing the inside / outside communication line 7 using the communication line fixing tool 10 configured as described above will be described with reference to FIGS.
First, the fixed pieces 15a and 15b and the support pieces 17a and 17b of the fixed base 11 are brought into contact with predetermined positions of the main body (in this case, the partition plate 9) of the outdoor unit 1, and the screw insertion holes of the fixed pieces 15a and 15b are contacted. A screw inserted through 16 is screwed into the partition plate 9, and the fixed base 11 is fixed to the partition plate 9 (main body of the indoor unit 1).

  Next, a plurality of internal / external communication lines 7 connected to the terminal block 6 (in the case of the communication lines 7e, 7f, 7n are shown) are mounted on the holding portions 12a, 12b of the fixed base 11. Then, the receiving piece 20 is placed thereon, and the engaging pieces 23a and 23b are fitted to both side walls of the fixing portions 13a and 13b of the fixing base 11. As a result, the communication line 7 is held between the holding portions 12 a and 12 b of the fixed base 11 and the receiving portions 25 a and 25 b of the receiver 20.

  Next, a plurality of communication lines 7 (in the case of communication lines 7b, 7c, 7a, and 7d are shown in FIG. 4) are placed on the receiving portions 25a and 25b of the receiver 20. Then, the presser 30 is fitted between the holding parts 24a to 24c from above the receiver 20, and a communication line is provided between the receivers 25a and 25b of the receiver 20 and the pressers 31a and 31b of the presser 30. 7 is pinched.

  Finally, screws 35 as fixing means are inserted into the screw insertion holes 33, 22, and 14 provided in the presser 30, the receiver 20, and the fixed base 11, and are provided on the back surfaces of the fixing portions 13 a to 13 c of the fixed base 11. Screw into the nut 36 and fix together. Although the case where the screw 35 is screwed into the nut 36 provided on the back surface of the fixed base 11 is shown, the nut is omitted, the screw insertion hole 14 of the fixed base 11 is used as a screw hole, and the screw 35 is screwed into this. You may make it enter.

Thereby, the plurality of inside / outside communication lines 7 are collectively fixed to the main body of the outdoor unit 1 by the communication line fixture 10.
Further, when removing each communication line 7 for maintenance or the like, it is easily removed by loosening the screw 35 of the communication line fixing tool 10 and removing the presser 30 or the presser 30 and the receiving tool 20. Can do.

  According to the present embodiment, a plurality of indoor / outdoor communication lines 7 having one end connected to the indoor unit and the other end connected to the terminal block 6 of the outdoor unit are stacked in two steps by the communication line fixing device 10. Since it is fixed to the main body of the machine 1 at a time, a large number of communication lines 7 can be easily fixed even in a narrow space, and assemblability and serviceability can be improved.

[Embodiment 2]
FIG. 6 is an explanatory diagram of an internal / external communication line fixing structure of an air conditioner according to Embodiment 2 of the present invention, and FIG. 7 shows a state in which a plurality of internal / external communication lines are fixed together by the communication line fixing tool of FIG. FIG. 8 is an exploded perspective view of the communication line fixture of FIG. The same parts as those in the first embodiment are denoted by the same reference numerals.

The communication line fixture 10 according to the present embodiment includes a fixed base 40, a plurality of pressers 50, and a receiver 60.
The fixed pedestal 40 has a body portion 41 having a substantially U-shaped cross section, and having free ends of both side plates bent outward and provided with mounting pieces 43a and 43b having screw insertion holes 44a and 44b. Are provided with receiving portions 42 a and 42 b for the first and second communication lines 7. And screw insertion holes 45a and 45b are provided above and below the central portion in the width direction of the top surface, and two screw insertion holes 45a and 45b are arranged in parallel between the receiving portions 42a and 42b. In addition, screw insertion holes 46 are provided in the vicinity of the four corners of the top surface.

  The presser 50 has a length that is approximately one half of the length of the fixed base 40 and a width that is smaller than the width of the main body 41. A convex pressing portion 51 is provided corresponding to one receiving portion 42a (or 42b) of the fixed base 40, and both end portions of the pressing portion 51 are bent downward and then outward. Mounting pieces 52a and 52b provided with screw insertion holes 53 are provided. Note that a plurality of pressers 50 having the same structure are used (four cases are shown in the figure).

The receiving device 60 has a body portion 61 having a substantially equal U-shaped cross section, the length of which is substantially equal to the length of the fixed base 40, and the width of which is slightly wider than the width of the holding device 50. Fixing pieces 63a to 63c that are extended downward and then bent outward from both ends and the center in the longitudinal direction of the wall are provided. A screw insertion hole 64 is provided corresponding to the screw insertion hole 46.
And the receiving part 62a, 62b of the 1st, 2nd communication line 7 is provided in the top | upper surface, and the position corresponding to the screw insertion hole 45a, 45b of the fixed base 40 of the center part of the width direction of a top | upper surface. Are provided with screw insertion holes 65a and 65b.

Next, a procedure for collectively fixing a plurality of internal and external communication lines 7 using the communication line fixture 10 configured as described above will be described with reference to FIGS.
First, the mounting pieces 43a and 43b of the fixed base 10 are brought into contact with predetermined positions of the main body of the outdoor unit 1 (in this case, the partition plate 9), and screws inserted into the screw insertion holes 44a and 44b are screwed into the partition plate 9. Then, the fixed base 10 is fixed.

Next, one or two communication lines 7 are placed on one receiving portion 42 a (or 42 b) of the fixed base 40, and the mounting pieces 52 a and 52 b are covered with the presser 50 a so that the mounting pieces 52 a and 52 b are attached to the fixed base 40. The screw that is in contact with the top surface and is inserted through the screw insertion hole 53 of the mounting pieces 52a and 52b is inserted into the screw insertion hole 45a, and is screwed into a nut provided on the rear surface to be fixed. Thereby, the communication line 7 is clamped and fixed between the fixed base 40 and the presser 50a.
Similarly, the communication line 7 is placed on the other receiving portion 42b of the fixed base 40, and is sandwiched and fixed between the fixed base 40 by the presser 50b (the pressers 50a and 50b are connected to the first presser). May be described as ingredients).

  Next, the holder 60 is fitted from above the pressers 50 a and 50 b, and the fixing pieces 63 a to 63 c are brought into contact with the top surface of the fixed base 40. Then, the screws inserted into the screw holes 64 provided in the fixing pieces 63a and 63b are inserted into the screw insertion holes 46 of the fixing base 40 and screwed into the nuts provided on the back surface, and fixed.

  Next, the communication line 7 is placed on one receiving portion 62a (or 62b) on the top surface of the receiving device 60, and is clamped and fixed by the holding device 50c in the same manner as described above. Similarly, the communication line 7 placed on the other receiving portion 62b is clamped and fixed by the presser 50d (the pressers 50c and 50d are sometimes referred to as second pressers). As a result, the plurality of communication lines 7 are fixed to the communication line fixture 10 at once. In the above description, the screw insertion holes 45a, 45b, 46 provided in the fixed base 40 and the screw insertion holes 65a, 65b provided in the support 60 are provided with nuts on the back side and screws are screwed in. However, the nut may be omitted, and a screw hole may be provided instead of the screw insertion holes 45a, 45b, 46, 65a and 65b, and the screw may be screwed into the screw hole.

  In the present embodiment, substantially the same effect as in the first embodiment can be obtained. However, since the plurality of small pressers 50 are provided and the communication line 7 is fixed, the fixing is performed. The fixing tool 50 can be used as appropriate according to the number of the communication lines 7, and when performing maintenance or the like, if only the pressing tool 50 of the target communication line 7 or the pressing tool 50 and the receiving tool 60 are removed. Good work is easy.

  DESCRIPTION OF SYMBOLS 1 Outdoor unit, 6 terminal block, 7 communication line, 10 communication line fixing tool, 11 fixing base, 12a, 12b 1st, 2nd holding part, 20 receptacle, 23a, 23b engaging piece, 24a, 24b clamping part , 25a, 25b First and second receiving portions, 30 Presser, 31a, 31b First and second pressing portions, 40 Fixed base, 42a, 42b First and second receiving portions, 50 Presser, 51 Presser, 60 receptacle, 62a, 62b First and second receptacles.

Claims (3)

In a multi-type air conditioner in which a plurality of indoor units are connected to a single outdoor unit by a plurality of internal and external communication lines, the main body of the outdoor unit is connected to the plurality of internal and external communication lines by a communication line fixture. Fixed to
The communication line fixture;
Section has a substantially U-shaped main body portion, a shall be secured to the body of the outdoor unit, first, internal and external communication line mounting to the second receiving section are arranged in parallel in the longitudinal direction at the top surface A fixed pedestal placed;
Is formed on approximately one length of the half of the narrow and the fixed base of the stationary base, it is intended to have a convex pressing portions, said first receiving portion and on a second of said fixing base A first presser disposed on each of the receiving portions and fixed to the fixed base;
Is formed in cross section substantially U-shaped in wider than the first retainer, the first is shall be fixed to the presser said fixing base covering, the are arranged in parallel in the longitudinal direction at the top surface 1. A receiving device on which the internal / external communication line is placed on the second receiving unit;
And a second presser having the same structure as the first presser disposed on the first receiver and the second receiver of the receiver and fixed to the receiver. ,
The first presser disposed on the first receiving portion of the fixed base is placed on the first receiving portion of the fixed base so as to intersect the longitudinal direction of the top surface of the fixed base. The inner and outer communication lines that have been clamped by the presser part and the first receiving part of the fixed base are fixed with screws to the top surface of the fixed base,
The first presser disposed on the second receiving portion of the fixed base is placed on the second receiving portion of the fixed base so as to intersect the longitudinal direction of the top surface of the fixed base. The inner and outer communication lines that have been clamped by the presser part and the second receiving part of the fixed base are fixed with screws to the top surface of the fixed base,
The second presser disposed on the first receiver of the receiver is placed on the first receiver of the receiver so as to intersect the longitudinal direction of the top surface of the receiver. The inner and outer communication lines that have been clamped by the presser part and the first receiving part of the receiver, are fixed to the top surface of the receiver with screws,
The second presser disposed on the second receiver of the receiver is placed on the second receiver of the receiver so as to intersect the longitudinal direction of the top surface of the receiver. The internal / external communication of an air conditioner , wherein the internal / external communication line is fixed to the top surface of the fixed base with a screw in a state where the internal / external communication line is sandwiched between the pressing portion and the second receiving portion of the receiving member. Wire fixing structure.   The internal / external communication line fixing structure for an air conditioner according to claim 1, wherein the receiver is fixed to the top surface of the fixed base with a screw. The main body of the fixed base is formed in a substantially U-shaped cross section by a top plate of the fixed base and side plates extending from both side edges of the top surface,
The fixed base is fixed to the main body of the outdoor unit via an attachment piece provided on the free end side of the side plate,
The first presser and the receiver are
The internal / external communication line fixing structure for an air conditioner according to claim 1 or 2, wherein the top surface of the fixed base is fixed with a screw to a surface opposite to the extending direction of the side plate. .

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