JP2007064623A - Heat exchanger fixing plate and air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat exchanger fixing plate capable of improving workability with excellent assembleability, and an air conditioner using it. <P>SOLUTION: The back side of a tabular base part 40 of the heat exchanger fixing plate 5 is faced to the side part of the heat exchanger 2 having radiation fins and heat exchange tubes. A hair pin part of each heat exchange tube of the heat exchanger 2 is inserted into insertion holes 41-47 formed on the tabular base part 40. The inserted hair pin part is guided and held by wall parts 61-67 erected on the surface side of the tabular base part 40 and on the circumferential part of the insertion holes 41-47. In this case, each engaging pawl 102 formed on the wall parts 61, 63, 65, 67 is pressed onto each hair pin part inserted into the insertion holes 41, 43, 45, 47 to thereby generate elastic deformation of an elastic support part, and when insertion is completed, the elastic support part is returned to have an original shape, and thereby the engaging pawl 102 is engaged with the hair pin part to prevent slip-out thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a heat exchanger fixing plate used for fixing an indoor heat exchanger or the like of an air conditioner and an air conditioner using the same.

2. Description of the Related Art Conventionally, in an indoor unit of an air conditioner, a heat exchanger for fixing a side surface portion of an indoor heat exchanger to a bottom frame and preventing inhaled air from flowing into a fan chamber without passing through the indoor heat exchanger There is a fixed plate (for example, see JP-A-10-111007 (Patent Document 1)). In this heat exchanger fixing plate, an insertion hole for inserting the hairpin portion of the heat transfer tube protruding from the side surface portion of the indoor heat exchanger is formed for each hairpin portion, and the hairpin of the heat transfer tube is inserted into this insertion hole at the time of assembly. The part is inserted to position the indoor heat exchanger. However, the heat exchanger fixing plate has a problem that the mounting property is poor because one hairpin part of the heat transfer tube of the heat exchanger is inserted for each insertion hole.
Japanese Patent Laid-Open No. 10-111007

  SUMMARY OF THE INVENTION An object of the present invention is to provide a heat exchanger fixing plate that can be easily assembled and can improve workability, and an air conditioner using the heat exchanger fixing plate.

In order to solve the above problems, the heat exchanger fixing plate of the present invention is
A heat exchanger fixing plate made of resin on at least one side surface of a heat exchanger having a radiation fin and a heat transfer tube,
A plate-like base whose back side faces the side of the heat exchanger;
An insertion hole formed in the plate-like base and into which the hairpin part of the heat transfer tube of the heat exchanger is inserted,
A wall provided on the surface side of the plate-like base and at least a part of the outer periphery of the insertion hole;
An engaging claw formed on the wall portion and engaged with a hairpin portion of the heat transfer tube of the heat exchanger;
And an elastic support portion formed on the wall portion so as to support the engagement claw.

  According to the heat exchanger fixing plate having the above configuration, the hairpin portion of the heat exchanger tube of the heat exchanger is inserted into the insertion hole formed in the plate-like base portion, and the inserted hairpin portion is connected to the plate-like base portion. It is guided and held by a wall portion standing on the surface side and at least a part of the outer peripheral portion of the insertion hole. At this time, the engaging claw formed on the wall portion is pushed by the hairpin portion inserted into the insertion hole, the elastic support portion is elastically deformed, and when the insertion is completed, the elastic support portion returns to the original shape. The engaging claw is returned to engage with the hairpin portion so as not to come off. Therefore, it becomes easy to mount the heat exchanger, the assemblability is improved, and the workability can be improved.

  In the heat exchanger fixing plate of one embodiment, two or more hairpin portions of the heat transfer tube are inserted into the insertion holes of the plate-like base portion.

  According to the said embodiment, mounting | wearing of a heat exchanger becomes still easier by inserting two or more hairpin parts of a heat exchanger tube in the insertion hole of the said plate-shaped base part.

  Moreover, in the heat exchanger fixing plate of one embodiment, the wall portion is erected on at least a part of the outer peripheral portion of the insertion hole and on the surface side of the plate-like base portion.

  Moreover, in the heat exchanger fixing plate of one embodiment, the elastic support portion is along a plane substantially parallel to the insertion direction and substantially perpendicular to the wall surface of the wall portion when the hairpin portion of the heat transfer tube is inserted. Elastically deforms.

  In the air conditioner of the present invention, the heat exchanger fixing plate described in any one of the above is used.

  According to the said structure, by using the said heat exchanger fixing plate, the air conditioner which has favorable assembly property and can improve workability | operativity is realizable.

  As is clear from the above, according to the heat exchanger fixing plate of the present invention, the hairpin portion of the heat transfer tube of the heat exchanger is inserted into the insertion hole formed in the plate-like base portion, and the inserted hairpin portion is When guiding and holding by the wall part, the hairpin part inserted into the insertion hole can be securely fixed by the engaging claw and the elastic support part formed on the wall part, so the mounting of the heat exchanger becomes easy, Assemblability is improved and workability can be improved.

  Moreover, according to the air conditioner of this invention, the air conditioner which has favorable assembly property and can improve workability | operativity is realizable by using the said heat exchanger fixing plate.

  FIG. 1 is a cross-sectional view of an essential part of an indoor unit of an air conditioner using a heat exchanger fixing plate according to an embodiment of the present invention. 1 is a bottom frame as a casing, 2 is a front side of the bottom frame 1 The indoor heat exchanger 3 is arranged on the leeward side of the indoor heat exchanger 2, and the air sucked from the front side and the upper side through the indoor heat exchanger 2 is passed through the lower outlet passage 4. It is a fan that blows down the front.

  The indoor heat exchanger 2 is composed of heat exchange portions 11, 12, and 13 and is bent into a substantially U shape and the first front heat exchanger (11, 12, 13). The heat exchange parts 21, 22, and 23 are arranged on the front side of the second front heat exchanger, and one end is connected to the upper end of the heat exchange part 11, and the other end is connected to the other end. Has a rear heat exchanger 14 disposed so as to be positioned in the vicinity of the fan 3. FIG. 2 is a perspective view of the side (left side) opposite to the side surface of the indoor heat exchanger 2 shown in FIG. The indoor heat exchanger 2 is attached to the bottom frame 1 as shown in FIG.

  FIG. 4 shows a plan view of the surface side of a resin heat exchanger fixing plate 5 for fixing the indoor heat exchanger 2 to the bottom frame 1. As shown in FIG. 4, the heat exchanger fixing plate 5 has a plate-like base portion 40, and the hairpin of the heat transfer tube of the heat exchange portion 11 shown in FIG. Substantially parallelogram-shaped insertion holes 41, 42, 43 for inserting the portions 11A to 11F are formed in this order. Two of the hairpin portions 11A and 11D are inserted into the insertion hole 41, two of the hairpin portions 11B and 11E are inserted into the insertion hole 42, and two of the hairpin portions 11C and 11F are inserted into the insertion hole 43. Also, a substantially parallelogram-shaped insertion hole for inserting the hairpin portions 12A, 12B of the heat transfer tube of the heat exchange section 12 shown in FIG. 2 below the substantially parallelogram-shaped insertion hole 43 of the plate-like base 40. 44 is formed. Further, a substantially parallelogram-shaped insertion hole 45 for inserting the hairpin portions 13A and 13C of the heat transfer tubes of the heat exchange section 13 shown in FIG. 2 is provided below the substantially parallelogram-shaped insertion hole 44 of the plate-like base 40. Forming. Then, the hairpin portions 14A and 14D of the heat transfer tubes of the heat exchanging portion 14 shown in FIG. 2 are inserted from the left side of the insertion hole 41 having a substantially parallelogram shape on the upper side of the plate-like base portion 40 toward the left and obliquely downward. An insertion hole 46 having a substantially parallelogram shape and an insertion hole 47 having a substantially parallelogram shape for inserting the hairpin portions 14B and 14E of the heat transfer tubes of the heat exchanging portion 14 shown in FIG.

  Further, in the vicinity of the outer edge of the plate-like base 40 parallel to the arrangement direction of the substantially parallelogram-shaped insertion holes 41, 42, 43 of the plate-like base 40, the hairpin portions 21A, 21B of the heat exchanging portion 21 shown in FIG. , 21C are inserted into the elongated holes 48, 49, 50, respectively. Further, an insertion hole 51 having a long hole shape for inserting the hairpin part 13B of the heat exchange part 13 shown in FIG. 2 is formed below the insertion hole 45 having a substantially parallelogram shape in the plate-like base part 40. . On the other hand, an elongated hole-shaped insertion hole 52 for inserting the hairpin portion 14F of the heat exchanging portion 14 shown in FIG. 2 is formed below the substantially parallelogram-shaped insertion hole 47 of the plate-like base 40. .

  Wall portions 61 to 67 are erected on outer peripheral portions of the substantially parallelogram-shaped insertion holes 41 to 47 of the plate-like base portion 40. Further, on the outside of the outer peripheral portion of the elongated hole-shaped insertion hole 48 of the plate-like base 40 (in the diagonally upper right direction in FIG. 4), the wall portion 62 of the insertion hole 42 extends from the upper wall surface of the wall portion 61 of the insertion hole 41. A wall portion 68 that continues to the upper wall surface is erected. A wall portion 69 that is continuous with the upper wall surface of the wall portion 63 of the insertion hole 43 is erected outside the outer peripheral portion of the elongated hole-shaped insertion hole 49 of the plate-like base 40 (upwardly diagonally to the right in FIG. 4). . A wall portion 70 is erected on the outer side (right side in FIG. 4) of the insertion hole 50 having the long hole shape of the plate-like base portion 40 so as to be continuous with the upper wall surface of the wall portion 64 of the insertion hole 44. . In addition, wall portions 71 and 72 are erected on the outer peripheral portions of the elongated hole-shaped insertion holes 51 and 52 of the plate-like base portion 40, respectively.

  Further, a first outer edge portion is formed in the vicinity of the substantially parallelogram-shaped insertion hole 44 of the plate-like base 40 along a straight line that intersects the arrangement direction of the long hole-shaped insertion holes 48 to 50 at a predetermined angle. 37, and in the vicinity of the substantially parallelogram-shaped insertion hole 45 and the elongated hole-shaped insertion hole 51 of the plate-like base 40 at a predetermined angle with respect to the arrangement direction of the elongated hole-shaped insertion holes 48-50. A second outer edge portion 38 and a third outer edge portion 39 are formed along the intersecting straight lines. Arc-shaped notches 93 and 94 are formed at predetermined intervals on the first outer edge portion 37 on the right side in FIG. 4 in the vicinity of the substantially parallelogram-shaped insertion hole 44 of the heat exchanger fixing plate 5. . Arc-shaped cutouts 95 and 96 are formed at predetermined intervals on the second outer edge 38 on the right side in FIG. 4 in the vicinity of the insertion hole 45 in the substantially parallelogram shape of the heat exchanger fixing plate 5. . Further, arc-shaped notches 97 and 98 are formed at predetermined intervals on the third outer edge 39 on the right side in FIG. 4 in the vicinity of the long hole-shaped insertion hole 51 of the heat exchanger fixing plate 5. Yes. Further, a confirmation window 53 is formed on the left side of the insertion hole 45 of the plate-like base 40 in FIG.

  5 is a cross-sectional view taken along line VV in FIG. 4, and FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. As shown in FIGS. 5 and 6, a substantially U-shaped slit 103 is formed on the wall surface of the wall portion 63 of the substantially parallelogram-shaped insertion hole 43 (shown in FIG. 4), and the wall portion 63 is formed by the slit 103. An engaging claw 102 is provided in the approximate center of the elastic support portion 101 formed on the surface (see FIG. 4). Also, the wall 63 of the insertion hole 43 (shown in FIG. 4) is provided with engaging claws 102 on the opposing wall surfaces (see FIG. 4). 5 and 6, a hairpin portion (not shown) is inserted in the left direction from the right side in the drawing. At that time, the engaging claw 102 is pushed by the outer peripheral surface of the hairpin portion, and the elastic support portion 101 is elastic along a plane substantially parallel to the insertion direction of the hairpin portion and substantially perpendicular to the wall surfaces of the wall portions 63 and 65. When it is deformed and the insertion is completed, the elastic support portion 101 returns to its original shape, and the engaging claw 102 is engaged with the hairpin portion so as not to come off.

  Similarly to the substantially parallelogram-shaped insertion hole 43, two opposing engaging claws 102 are formed in each of the wall portions 61 and 67 of the substantially parallelogram-shaped insertion holes 41 and 47 (shown in FIG. 4). (See FIG. 4). Furthermore, one engaging claw 102 is formed in the wall portion 65 of the insertion hole 45 (shown in FIG. 4) having a substantially parallelogram shape (see FIG. 4). The plurality of engaging claws 102 engage and fix the hairpin portions 11A, 11C, 11D, 11F, 13A, 14B, and 14E of the heat transfer tubes of the indoor heat exchanger 2 (shown in FIG. 2).

  7 is a side view of the heat exchanger fixing plate 5 shown in FIG. 4 as viewed from the left in FIG. 4. The mounting portion 33 and the mounting portion 35 are erected on the plate-like base 40, and the mounting portions 33, 35 are erected. Round holes 34 and 36 are formed respectively. The heat exchanger fixing plate 5 is fixed to the bottom frame 1 (shown in FIG. 3) using the round holes 34, 36 of the mounting portions 33, 35.

  FIG. 8 is a back view of the heat exchanger fixing plate 5. The back side of the heat exchanger fixing plate 5 faces the left side of the indoor heat exchanger 2 (shown in FIG. 2).

  FIG. 9 is a left side view of the indoor heat exchanger 2, and protects the outside of the radiation fins (not shown) on the side surfaces of the heat exchange parts 11, 12, 13 of the first front heat exchanger. Tube plates 15, 16, and 17 are respectively attached. Further, a tube plate 18 for protecting the outside of the radiating fin (not shown) is attached to the side surface of the rear heat exchanger 14 (on the side surface of the second front heat exchanger (21, 22, 23)). Also has a tube plate attached, but the explanation is omitted). The state which attached the heat exchanger fixing plate 5 shown in FIGS. 4-8 to the left side part of this indoor heat exchanger 2 is shown in FIG. At this time, from the confirmation window 53 of the heat exchanger fixing plate 5, the engaging portion 17a (shown in FIG. 9) which is a fixing portion provided on the tube plate 17 of the heat exchanging portion 13 can be visually observed. Yes. FIG. 11 is a front view showing a state in which the indoor heat exchanger 2 fixed by the heat exchanger fixing plate 5 is attached to the bottom frame 1.

  Next, a method for attaching the indoor heat exchanger 2 to the bottom frame 1 using the heat exchanger fixing plate 5 will be described with reference to FIGS. 12 to 14 show the state viewed from the right side of the indoor heat exchanger 2 as in FIG. 1. The first front heat exchanger (11, 12, 13) and the rear heat exchanger 14 are shown in FIGS. It is assumed that the hairpin portion (except 14C and 13D) on the left side surface of is already inserted into the insertion hole of the heat exchanger fixing plate 5 (shown in FIGS. 4 to 8).

  In this state, when the second front heat exchanger (21, 22, 23) is attached, the second front heat exchanger (21, 22, 23) has a flat shape that is not bent, and the heat exchanger 21 , 22, 23 are connected by a connecting portion. That is, when the second front heat exchanger (21, 22, 23) is manufactured, it is integrally formed in a planar shape, and then bent into a substantially square shape when attached to the bottom frame 1 (shown in FIG. 3). .

  First, the hairpin portions 21A, 21B, 21C (shown in FIG. 2) of the heat exchanging portion 21 of the planar second front heat exchanger are inserted into the elongated insertion holes 48, 49, 50 of the heat exchanger fixing plate 5. Insert each (shown in FIG. 4).

  Next, the heat exchange parts 22 and 23 of the second front heat exchanger are bent in the direction of the arrow R1, and the heat exchange part 22 of the second front heat exchanger is changed to the first front heat exchange as shown in FIG. It is made to be substantially parallel to the heat exchange part 12 of the vessel.

  Next, the heat exchange part 23 of the second front heat exchanger is bent in the direction of the arrow R2, and the heat exchange part 23 of the second front heat exchanger is moved to the first front heat exchanger as shown in FIG. It is made to approach the heat exchange part 13.

  When the heat exchanging portion 22 of the second front heat exchanger is bent, the two straight pipe portions of the hairpin portion 22A (shown in FIG. 2) of the heat exchanging portion 22 are notched in the arc shape of the heat exchanger fixing plate 5. 93 and 94 (shown in FIG. 4), respectively, to secure a spring back portion of the heat exchanging portion 22. Then, the heat exchanging portion 22 returns by the amount of the spring back, and a predetermined interval is provided between the hairpin portion 22A and the heat exchanger fixing plate 5. Further, when the heat exchange part 23 of the second front heat exchanger is bent, the four straight pipe portions of the hairpin parts 23A and 23B (shown in FIG. 2) of the heat exchange part 23 are arcs of the heat exchanger fixing plate 5. The shape notches 95, 96, 97, and 98 (shown in FIG. 4) are respectively entered to secure a spring back portion of the heat exchanging portion 23. Then, the heat exchanging portion 23 returns by the amount of the spring back, and a predetermined interval is provided between the hairpin portions 23A and 23B and the heat exchanger fixing plate 5.

  Then, after the second front heat exchanger (21, 22, 23) is bent into a substantially U shape, a screw (not shown) inserted into the round hole 32 of the fixing portion 31 of the heat exchanger fixing plate 5 is used. ) To fix the heat exchanging part 23 to the fixing part 31 of the heat exchanger fixing plate 5. Therefore, it is not necessary to bend the heat exchanger in advance and align and attach it to the heat exchanger fixing plate, so that the assemblability is improved and the workability can be improved.

  According to the heat exchanger fixing plate 5, the hairpin portions 11 </ b> A to 11 </ b> F, 12 </ b> A and 12 </ b> B of the heat transfer tubes of the indoor heat exchanger 2 are inserted into the substantially parallelogram-shaped insertion holes 41 to 47 formed in the plate-like base 40. , 13A, 13C, 14A, 14B, 14D, and 14E are inserted together, and the two inserted hairpins are erected on the surface side of the plate-like base 40 and on the outer periphery of the insertion holes 41 to 47 Since it guides and holds with the wall parts 61-67 made, mounting | wearing of the indoor heat exchanger 2 becomes easy, assembly property becomes favorable and workability | operativity can be improved.

  Further, along a straight line that intersects at a predetermined angle with the arrangement direction of the insertion holes 48 to 50 formed so as to be linearly arranged along one side of the plate-like base portion 40 of the heat exchanger fixing plate 5. By forming the 1st-3rd outer edge parts 37-39 in the plate-shaped base 40, the heat exchange part 22 of a 2nd front heat exchanger so that the 1st-3rd outer edge parts 37-39 may be met, The second front heat exchanger is molded at the same time as the heat sink fixing plate 5 is bent at the connecting portion 23. Therefore, it is not necessary to bend the heat exchanger in advance and align and attach it to the heat exchanger fixing plate, so that the assemblability is improved and the workability can be improved.

  Further, the heat exchange portions 22 and 23 of the second front heat exchanger are bent at the connecting portions so as to follow the first to third outer edge portions 37 to 39 of the plate-like base portion 40 of the heat exchanger fixing plate 5. When the second front heat exchanger is bent by part of the hairpin portions 22A, 23A, 23B entering the arc-shaped cutouts 93-98 formed in the first to third outer edge portions 37-39. The heat exchange portions 22 and 23 of the spring back can be secured.

  Further, by forming a fixing portion 31 for fixing the heat exchanging portion 23 of the second front heat exchanger in the plate-like base portion 40, the first to third outer edge portions 37 to 39 of the plate-like base portion 40 are formed. The heat exchange portions 22 and 23 of the second front heat exchanger bent along the heat exchanger can be easily fixed to the heat exchanger fixing plate 5.

  The hairpin portions 11A, 11C, 11D, 11F, 13A, 14B, and 14E are formed by the engaging claws 102 formed on the wall portions 61, 63, 65, and 67 and the elastic support portions 101 that support the engaging claws 102. Can be reliably fixed to the heat exchanger fixing plate 5.

  Moreover, the height of the wall parts 61-72 of the said heat exchanger fixing plate 5 is made from the hairpin part 11A-11F, 12A, 12B, 13A-13D, 14A-14F, 21A-21C, 22A, 23A, 23B of a heat exchanger tube. By raising the height, the hairpin portions 11A to 11F, 12A, 12B, 13A to 13D, 14A to 14F, 21A to 21C, 22A, 23A, and 23B after insertion can be protected by the wall portions 61 to 72.

  Further, it is a fixing part of the indoor heat exchanger 2 for fixing the indoor heat exchanger 2 to the bottom frame 1 through a confirmation window 53 formed in the plate-like base 40 of the heat exchanger fixing plate 5. The engaging portion 17a can be visually observed at the time of assembly, and the fixed state of the indoor heat exchanger 2 to the bottom frame 1 can be confirmed.

  In the above embodiment, the heat exchanger fixing plate for fixing the indoor heat exchanger of the indoor unit of the air conditioner to the bottom frame has been described. However, the heat exchanger fixing plate is not limited to the indoor heat exchanger of the indoor unit of the air conditioner. You may apply this invention to the heat exchanger of other apparatuses, such as a machine.

  In the above embodiment, two hairpin portions adjacent in the step direction are inserted into one insertion hole having a substantially parallelogram shape. However, two hairpin portions adjacent in the row direction are inserted into one insertion hole. Alternatively, a plurality of hairpin portions obtained by combining hairpin portions adjacent to each other in the step direction and the column direction may be inserted into one insertion hole.

  Moreover, in the said embodiment, although the tube plates 15-18 were attached to the side surface of the said indoor heat exchanger 2, a tube plate does not need to be.

  Moreover, in the said embodiment, although the wall parts 61-67 were standingly arranged by the surface side of the said plate-shaped base 40 and the outer peripheral part of the insertion holes 41-47, even if a wall part is at least one part of an insertion hole, Good.

  Further, the heat exchanger fixing plate of the present invention is not limited to the above embodiment, and for example, the position, shape, etc. of the insertion hole, wall portion, rib, and flow path are the shape of the side surface portion of the heat exchanger, etc. What is necessary is just to set suitably according to.

FIG. 1 is a cross-sectional view of a main part of an indoor unit of an air conditioner using a heat exchanger fixing plate according to an embodiment of the present invention. FIG. 2 is a perspective view of the indoor heat exchanger of the air conditioner. FIG. 3 is a perspective view showing a state in which the indoor heat exchanger is attached to the bottom frame. FIG. 4 is a plan view of a heat exchanger fixing plate for fixing the indoor heat exchanger to the bottom frame. FIG. 5 is a sectional view taken along line VV in FIG. FIG. 6 is a sectional view taken along line VI-VI in FIG. FIG. 7 is a side view of the heat exchanger fixing plate. FIG. 8 is a rear view of the heat exchanger fixing plate. FIG. 9 is a side view of the indoor heat exchanger. FIG. 10 is a view showing a state in which the indoor heat exchanger fixed by the heat exchanger fixing plate is attached to the bottom frame. FIG. 11 is a front view of the main part on the left side showing a state in which a heat exchanger fixing plate is attached to the side surface of the indoor heat exchanger. FIG. 12 is a view for explaining a method of attaching the second front heat exchanger. FIG. 13 is a view for explaining a method of attaching the second front heat exchanger continued from FIG. FIG. 14 is a view for explaining a method of attaching the second front heat exchanger continued from FIG.

Explanation of symbols

1 ... Bottom frame,
2 ... Indoor heat exchanger,
3 ... Fan,
4 ... Blowout passage,
5 ... heat exchanger fixing plate,
11, 12, 13, 21, 22, 23 ... heat exchange part,
11A-11F, 12A, 12B, 13A-13D, 14A-14F, 21A-21C, 22A, 23A, 23B ... hairpin part,
14 ... Back heat exchanger,
15-18 ... Tube sheet,
31 ... Fixing part,
32 ... round hole,
33, 35 ... mounting portion,
37 ... first outer edge,
38 ... second outer edge,
39 ... the third outer edge,
40 ... Plate base,
41 to 47: substantially parallelogram-shaped insertion holes,
48 to 52 ... insertion hole having a long hole shape,
53 ... Confirmation window,
61-72 ... wall part,
93-98 ... arc-shaped notch,
101 ... elastic support part,
102 ... engaging claw.

Claims (5)

A heat exchanger fixing plate made of resin on at least one side surface portion of the heat exchanger (2) having heat radiation fins and heat transfer tubes,
A plate-like base (40) whose back side faces the side of the heat exchanger (2);
Insertion holes (41, 43) formed in the plate-like base (40) and into which the hairpin portions (11A, 11C, 11D, 11F, 13A, 14B, 14E) of the heat transfer tubes of the heat exchanger (2) are inserted. , 45, 47) and
Wall portions (61, 63, 65, 67) provided on the surface side of the plate-like base portion (40) and at least a part of the outer peripheral portion of the insertion hole (41, 43, 45, 47);
Engagement formed on the wall portions (61, 63, 65, 67) and engaged with the hairpin portions (11A, 11C, 11D, 11F, 13A, 14B, 14E) of the heat transfer tubes of the heat exchanger (2). A nail (102),
A heat exchanger fixing plate, comprising: an elastic support portion (101) formed on the wall portion (61, 63, 65, 67) so as to support the engaging claw (102). The heat exchanger fixing plate according to claim 1,
Two or more hairpin portions (11A, 11C, 11D, 11F, 13A, 13C, 14B, 14E) of the heat transfer tube are inserted into the insertion holes (41, 43, 45, 47) of the plate-like base portion (40). The heat exchanger fixing plate characterized by the above-mentioned. In the heat exchanger fixing plate according to claim 1 or 2,
The wall portions (61, 63, 65, 67) are erected on the surface side of the plate-like base portion (40) and at least a part of the outer peripheral portion of the insertion hole (41, 43, 45, 47). A heat exchanger fixing plate characterized by that. In the heat exchanger fixing plate according to any one of claims 1 to 3,
The elastic support portion (101) is substantially parallel to the insertion direction when the hairpin portions (11A, 11C, 11D, 11F, 13A, 14B, 14E) of the heat transfer tube are inserted, and the wall portions (61, 63, 65, 67) A heat exchanger fixing plate characterized by elastic deformation along a plane substantially perpendicular to the wall surface.   An air conditioner using the heat exchanger fixing plate according to any one of claims 1 to 4.

Images