JP5754908B2 - Locking means for indoor unit of air conditioner and indoor unit of air conditioner provided with the same - Google Patents

Description

  The present invention relates to a locking unit for an indoor unit of an air conditioner and an indoor unit of an air conditioner including the same, and relates to a locking unit for locking a front panel to a main body of the indoor unit.

  The conventional indoor unit of an air conditioner has a structure in which the front panel is locked to the indoor unit main body, a mounting portion that pivots the front panel so that the front panel can be opened and closed upward at the top of the front of the main body, and a front surface at the bottom of the front panel. A locking claw for locking the panel to the main body is provided.

  The attachment portion is provided above the front panel, and the front panel is attached to the indoor unit body by hooking the pin portion provided on the attachment portion to the hook portion provided on the upper portion of the indoor unit body. It is possible to pivot to the front so that it can be opened and closed. The locking claw provided below the front panel is inserted into and removed from a locking hole provided in the indoor unit main body, so that the front panel can be engaged and disengaged (for example, Patent Document 2). .

Japanese Patent No. 3450287 JP-A-7-63367

  However, when the fitting adjustment between the front panel of the indoor unit of the air conditioner and the indoor unit main body is performed, the locking claw needs to be adjusted. As described in Patent Document 1, in the case of an air cleaner, it is common to provide a movable engagement portion that is a single part on the front panel, but the conventional air conditioner indoor unit In this case, the locking claw is formed integrally with the front panel and is formed using the same mold.

  Therefore, in order to adjust the locking claw when adjusting the fitting between the front panel and the indoor unit main body, it is necessary to adjust the mold for molding the front panel including the locking claw. There was a problem that it was difficult to adjust the fitting between the front panel and the indoor unit body.

  Conventionally, when the front panel is repeatedly opened and closed, the locking claws are worn, and even when the front panel is fitted to the indoor unit main body, the fitting state is loosened. There was a problem.

  The present invention has been made in view of such circumstances, and includes an engagement unit for an indoor unit of an air conditioner that can be easily fitted and adjusted to a front panel that is engaged with the main body of the indoor unit, and the same. An object of the present invention is to provide an indoor unit for an air conditioner.

In order to achieve the above object, the present invention provides the following means.
The locking means of the indoor unit of the air conditioner according to the present invention is a locking means of the indoor unit of the air conditioner that locks the main body of the indoor unit and the front panel provided on the front surface of the main body, an engaging portion provided on a front surface of the main body, engaged with the engagement portion provided upright from the back side of the front panel and the receiving portion are found provided on the back surface side, it is held in the receiving portion of the front panel And a claw portion that is slidably held by the receiving portion , and has a plate-like latch portion body that extends along the surface direction of the front panel, and is orthogonal to the surface direction of the latch portion body. A first claw portion which stands up in a direction to be inserted and is inserted into the engagement portion, and is located on both sides of the latch portion main body , the surface direction of which is parallel to the front panel and continuous with the latch portion main body. No surface, perforated and a second claw portion elastically deformable, to the latch unit body The receiving part has a slide guide for the latch body and the second claw portion slides, a through hole into which the first claw portion is provided in parallel with said slide guide extends, the said slide guides, e Bei a protrusion tip of the second claw portion to the free time of the second claw portion is protruded obliquely to the sliding direction of the latch body and the second claw portion, the second pawl When the part is free, the tip of the second claw part protrudes from the projecting part, so that the claw part slides in the direction in which the first claw part engages with the engaging part, At the time of sliding, a portion including the latch portion main body and the second claw portion other than the first claw portion slides along the surface direction of the front panel .

  Conventionally, a front panel of an indoor unit of an air conditioner is fixed to the main body by engaging a claw portion integrated with the front panel and an engaging portion provided on the main body of the indoor unit. It was. Therefore, when fitting adjustment between the front panel and the main body is performed, it is necessary to adjust the mold of the front panel including the claw portion, and it is difficult to perform fitting adjustment.

Therefore, in the present invention, a receiving part fixed to the back side of the front panel, a claw part standing from the back side of the front panel while being held by the receiving part, and a claw part provided on the front surface of the main body and engaging with the claw part The engaging means including the engaging portion is used. Therefore, the claw portion can be separated from the front panel, and the claw portion and the front panel can be formed in different molds. Therefore, when the fitting adjustment between the front panel and the main body is performed, it is possible to adjust only the mold of the claw portion, and the fitting adjustment is facilitated.
The receiving portion includes a slide guide for sliding the second claw portion and a through hole provided in parallel to the slide guide and penetrating the first claw portion. The slide guide is free of the claw portion. A protrusion is sometimes provided with the tip of the second claw protruding. Thus, when the front panel is rotated, the claw portion slides along the slide guide, so that friction between the first claw portion and the receiving portion is reduced, and wear of the first claw portion is reduced. be able to. Therefore, even when the front panel and the main body are repeatedly engaged and disengaged, loosening of the fitted state between the front panel and the main body can be suppressed.

  According to the locking means for an indoor unit of an air conditioner according to the present invention, the first claw portion is made of a material having excellent wear resistance.

  Conventionally, when the front panel and the main body are repeatedly engaged and disengaged, the claw portion may be worn and loose in the fitted state, and the fitted state may be loosened.

Therefore, the first claw portion is manufactured using a material having excellent wear resistance. Therefore, even if it is a case where engagement / disengagement of a front panel and a main body is repeated, abrasion of a 1st nail | claw part can be reduced. Therefore, looseness of the fitted state between the front panel and the main body can be suppressed.
For example, polyacetal resin (POM) is suitable as the material having excellent wear resistance.

  According to the indoor unit of the air conditioning apparatus according to the present invention, the locking unit according to any one of the above is provided.

The engaging means that can separate the front panel and the claw portion of the indoor unit is used. Therefore, the nail | claw part and the metal mold | die of the front panel of an indoor unit can be made into a different body. Therefore, when the fitting adjustment between the front panel and the main body is performed, it is possible to adjust only the mold of the claw portion, and the fitting adjustment is facilitated.
Further, the engaging means capable of reducing the wear of the claw portion is used. Therefore, even if engagement / disengagement of the front panel and the main body is repeated, loosening of the fitted state can be suppressed.

  According to the locking means of the indoor unit of the air conditioner according to the present invention, a receiving part fixed to the back side of the front panel, a claw part standing from the back side of the front panel while being held by the receiving part, The locking means provided with the engaging portion that is provided on the front surface of the main body and engages with the claw portion is used. Therefore, the claw portion can be separated from the front panel, and the claw portion and the front panel can be formed in different molds. Therefore, when the fitting adjustment between the front panel and the main body is performed, it is possible to adjust only the mold of the claw portion, and the fitting adjustment is facilitated.

The case where the front panel of the indoor unit of the air conditioning apparatus which concerns on one Embodiment of this invention is made into a closed state is shown, (A) is the perspective view, (B) is the front view, (C ) Is a side view of (B). The case where the front panel of the indoor unit shown in FIG. 1 is in an open state is shown, (A) is a perspective view thereof, (B) is a front view thereof, and (C) is a side view of (B). FIG. The front panel shown in FIG. 1 is shown, (A) is the back view, (B) is the side view. The attachment part and the locking member provided on the back side of the front panel are shown, (A) is a partially enlarged view showing that the latch part is accommodated in the inlet receiving part, (B), The state which the inlet receiving part and the latch part have isolate | separated is shown, (C) is the figure which looked at (A) from the front side of the recessed part of a front panel. The cross section of the indoor unit shown in FIG. 1 is shown, (A) is the schematic block diagram, (B) is the elements on larger scale of the latching member of a latching state. A latch part is shown, (A) is the perspective view, (B) is the front view, (C) is a side view of (B).

  FIG. 1 shows a case where a front panel of an indoor unit of an air conditioner according to an embodiment of the present invention is closed, (A) is a perspective view thereof, and (B) is a front view thereof. Yes, (C) shows a side view of (B). 2 is a case where the front panel of the indoor unit shown in FIG. 1 is in an open state, (A) is a perspective view thereof, (B) is a front view thereof, and (C) is a front view thereof. The side view of (B) is shown.

  As shown in FIG. 1 and FIG. 2, an indoor unit 1 of an air conditioner includes a base body 2 and a front cover (attached to the base body 2 so as to cover the front portion thereof from the top, bottom, left and right, and front. Main body) 3, a front panel (front panel) 4 that is attached to the upper portion of the front surface of the front cover 3 so as to be openable and closable with a mounting portion 7 (see FIG. 2) as a fulcrum. It has locking means 5 (see FIG. 3) provided at the lower portion for locking the front panel 4 to the front cover 3.

  The front panel 4 has a horizontally long and substantially rectangular shape, and has a recessed portion (see FIG. 3) 4a in which a lower portion of the front surface is recessed on the back surface side. The front panel 4 is molded using a mold using, for example, ABS resin or polystyrene (PS) resin as a molding material. A design inlet molding 6 made of a detachable transparent member is attached to the front (front) side of the recess 4 a of the front panel 4.

  FIG. 3 shows the back side of the front panel shown in FIG. 1, (A) is a front view thereof, (B) is a side view thereof, and FIG. 4 is a back side of the front panel. The attachment part provided in the side and a locking member are shown, (A) is a partial enlarged view showing that a latch part is stored in an inlet receiving part, and (B) is an inlet receiving part. The state which the latch part has isolate | separated is shown, (C) is the figure which looked at (A) from the front side of the recessed part of a front panel. 5 shows a cross section of the indoor unit shown in FIG. 1, (A) is a schematic configuration diagram thereof, and (B) is a partially enlarged view of the locking means in the locked state.

  As shown in FIG. 3 (A), there are two mounting portions 7 provided upright from the back side of the front panel 4 above the back side of the front panel 4 and in the vicinity of both ends in the longitudinal direction. It has been. The mounting portion 7 has a pin portion 7a (see FIG. 4A) extending in parallel to the front panel 4, and the pin portion 7a is the front cover 3 of the indoor unit 1 (see FIG. 1). It is hooked in a hole (not shown) provided in. In this way, the pin portion 7a of the mounting portion 7 is hooked on the hole portion of the front cover 3, so that the pin portion 7a can move freely in the hole portion.

  Locking members (locking means) 5 are provided at two locations below the back side of the recess 4a of the front panel 4 and in the vicinity of both ends in the longitudinal direction. As shown in FIG. 4A, the locking member 5 includes a latch part (claw part) 9 standing from the back side of the front panel 4 and the back side of the front panel 4 holding the latch part 9. An inlet side receiving part (receiving part) 10 fixed to the front cover 3 (see FIG. 1) and a latch hole part (engaging part) 11 provided on the front surface of the front cover 3 (see FIG. 1) to engage with the latch part 9 (FIG. 5). (See (B)).

  When the recessed portion 4a of the front panel 4 provided with the inlet side receiving portion 10 is viewed from the front side, the second nail described later is shown in FIG. 4C. An opening window 8 is opened at a position facing the portion 13.

  The two opening windows 8 are formed in a substantially rectangular shape that is vertically long in the direction in which the second claw portion 13 of the latch portion 9 slides (the vertical direction in FIG. 4C). Two opening windows 8 are provided in parallel. Thereby, the shape of the recessed portion 4a of the front panel 4 between the opening windows 8 is an I shape.

  Since the recessed portion 4a of the front panel 4 between the opening windows 8 has an I shape, when the latch portion 9 is inserted into the inlet side receiving portion 10, the latch portion 9 is in front of the recessed portion 4a of the front panel 4. It will be prevented from falling to the side. Each vertically long and substantially rectangular opening window 8 has a protruding portion 8 a that protrudes in the direction perpendicular to the long axis of the opening window 8 and opposite to the opening window 8. ing.

  As shown in FIG. 6, the latch portion 9 includes a first claw portion 12 erected on the back surface side of the recessed portion 4 a of the front panel 4 (see FIG. 4), and both sides of the first claw portion 12. And a second claw portion 13 which is provided in parallel to the back surface side of the recessed portion 4a of the front panel 4 and can be elastically deformed. As shown in FIG. 6B, the latch portion 9 is provided with second claw portions 13 on both sides of the first claw portion 12 so as to be substantially W-shaped when viewed from the front. The latch part 9 is molded by using a mold for the latch part using, for example, polyacetal resin (POM) having excellent wear resistance as a molding material.

  As for the 1st nail | claw part 12, the hook part 12a has stood | started up in the front-end | tip. The hook portion 12a comes into contact with the contact portion 3a forming the latch hole 11 when the first claw portion 12 is inserted into the latch hole 11 (see FIG. 5B). The hook portion 12a and the contact portion 3a are inclined with respect to each other. Therefore, the hook portion 12a that is in contact with the contact portion 3a slides rightward in FIG. 5B and is hooked (locked) on the contact portion 3a.

  As for the 1st nail | claw part 12, the base end part is connected to the latch part main body 9a (refer FIG. 6). When viewed from the front, the latch body 9a is substantially T-shaped as shown in FIG. 6B, and can be attached to the back side of the recessed portion 4a of the front panel 4 substantially in parallel. Has been.

  The second claw portion 13 is provided on both sides of the latch portion main body 9a where the base end portion of the first claw portion 12 is provided, and when viewed from the front, as shown in FIG. A W shape is formed. The substantially claw-shaped second claw portion 13 can be attached substantially parallel to the back surface side of the recessed portion 4 a of the front panel 4. The 2nd nail | claw part 13 is shape | molded so that it may have the inclined surface 13a which inclines so that the upper part may protrude outside compared with the downward direction.

  As shown in FIG. 6B, a space is formed between the second claw portion 13 forming a substantially W shape and the long axis of the latch body 9a when viewed from the front. Yes. Moreover, since the 2nd nail | claw part 13 is made elastically deformable, when the force which urges | biases the 2nd nail | claw part 13 to the major axis direction of the latch part main body 9a acts, the 2nd claw part 13 is applied. Can be bent in the major axis direction of the latch portion main body 9a.

  The inlet side receiving portion 10 is vertically long in the direction in which the second claw portion 13 slides, and has a substantially U-shaped cross section perpendicular to the long axis. As shown in FIG. 4B, the substantially U-shaped inlet side receiving portion 10 includes a slide guide 14 on which the second claw portion 13 slides, and a first claw portion provided in parallel with the slide guide 14. 12 has a through hole 15 therethrough.

  The inlet side receiving portion 10 is provided so that the substantially U-shaped concave side faces the back side of the concave portion 4 a of the front panel 4. Thereby, a space capable of accommodating the latch portion 9 is formed between the recessed portion 4 a of the front panel 4 and the inlet side receiving portion 10.

  A through-hole 15 through which the first claw portion 12 passes is formed at a substantially central portion of the surface constituting the inlet side receiving portion 10 and facing the front surface of the front cover 3 (see FIG. 1). Has been. The through hole 15 has an elongated shape in the major axis direction of the inlet side receiving portion 10. The inlet side receiving portions 10 on both sides of the through hole 15 are formed with a pair of slide guides 14 on which the second claw portion 13 slides.

  The slide guide 14 includes a back surface side of the recessed portion 4a of the front panel 4, a surface of the inlet side receiving portion 10 provided with the through hole 15, and an inlet side provided with the inlet side receiving portion 10 and the through hole 15. It is formed with the side surface (not shown) of the inlet side receiving part 10 which has connected the surface of the receiving part 10. As shown in FIG.

  An inclined wall (not shown) is provided inside the side surface of the inlet side receiving part 10 forming the slide guide 14. The inclined wall provided in the slide guide 14 is provided so as to taper in the sliding direction of the second claw portion 13 (from the top to the bottom in FIG. 4B).

Next, engagement / disengagement and fitting adjustment between the front panel 4 and the front cover 3 provided with the locking member 5 of the present embodiment will be described with reference to FIGS. 4 and 5.
When the front panel 4 is fitted to the front surface of the front cover 3 (the front panel 4 is closed), the hook portion 12a of the latch portion 9 held by the inlet side receiving portion 10 is shown in FIG. As described above, the contact portion 3a provided on the front cover 3 is engaged. Under the present circumstances, the 2nd nail | claw part 13 of the latch part 9 is accommodated in the inlet receptacle part 10, as shown to FIG. 4 (A) and (C). As shown in FIG. 4C, the second claw portion 13 of the latch portion 9 housed in the inlet receiving portion 10 is such that the top end of the second claw portion 13 is a part of the opening window 8. It protrudes to the protruding portion 8a.

When opening and closing the front panel 4, the second claw portion 13 of the latch portion 9 slides on the slide guide 14 of the inlet receiving portion 10 as the front panel 4 rotates. That is, the second claw portion 13 moves from the upper side to the lower side along the inclined wall of the slide guide 14. At that time, since the slide guide 14 supports both sides of the substantially T-shaped latch body 9a, the first claw portion 12 can be prevented from falling in the sliding direction.

  When the second claw portion 13 of the latch portion 9 slides from the upper side to the lower side of the slide guide 14, the second claw portion 13 is moved in the major axis direction of the latch portion main body 9 a by the slide guide 14 of the inlet receiving portion 10. The force is biased and bent. At this time, since the claw portion 13 can be elastically deformed, the slide guide 14 is slid from below to above when it is unloaded, and returns to its original position. In this way, the position of the latch portion 9 (locking member 5) is adjusted by sliding and bending the second claw portion 13, and the engagement and disengagement between the front panel 4 and the front cover 3 and the small state of the fitting state are adjusted. Adjustment is possible.

As described above, the locking member 5 of the indoor unit 1 of the air conditioner according to the present embodiment and the indoor unit 1 of the air conditioner including the same have the following effects.
A latch erected from the back side of the front panel 4 while holding an inlet side receiving part (receiving part) 10 fixed to the back side of the front panel (front panel) 4 and a latch part (claw part) 9 A locking member comprising a first claw portion 12 of the portion 9 and a latch hole portion (engagement portion) 11 provided on the front surface of the front cover (main body) 3 and engaged with the first claw portion 12 (Locking means) 5 was used. Thereby, the latch part 9 can be made into a different body from the front panel 4, and the latch part 9 and the front panel 4 can be made into a respectively different metal mold | die. Therefore, when the fitting adjustment between the front panel 4 and the front cover 3 is performed, it is possible to adjust only the mold of the latch portion 9 and the fitting adjustment is facilitated.

  The slide guide 14 provided in the inlet side receiving portion 10 has an inclined wall (not shown) that tapers in the sliding direction of the second claw portion 13 provided in the latch portion 9. The second claw portion 13 is elastically deformable. Thereby, when the fitting adjustment between the front panel 4 and the front cover 3 is performed, the second claw portion 13 slides on the inclined wall of the slide guide 14 and bends in the axial direction of the latch portion main body 9a. In order to adjust the fitting between the front panel 4 and the front cover 3, the number of times the first claw portion 12 and the inlet side receiving portion 10 are engaged and disengaged can be reduced. Therefore, wear of the first claw portion 12 can be reduced, and loosening of the fitted state between the front panel 4 and the front cover 3 can be suppressed.

  The latch part 9 having the first claw part 12 is molded by using a polyacetal resin (POM) excellent in wear resistance as a molding material. Therefore, even when the engagement / disengagement of the locking member 5 between the front panel 4 and the front cover 3 is repeated, the wear of the first claw portion 12 can be reduced. Therefore, looseness of the fitted state between the front panel 4 and the front cover 3 can be suppressed.

The locking member 5 that can separate the front panel 4 and the latch portion 9 of the indoor unit 1 is used. For this reason, the mold of the latch unit 9 and the front panel 4 of the indoor unit 1 can be separated. Therefore, when the fitting adjustment between the front panel 4 and the front cover 3 is performed, it is possible to adjust only the mold of the latch portion 9 and the fitting adjustment is facilitated.
Further, the locking member 5 capable of reducing the wear of the first claw portion 12 of the latch portion 9 is used. Therefore, even when the engagement and disengagement of the locking member 5 between the front panel 4 and the front cover 3 is repeated, the looseness of the fitted state can be suppressed.

1 Indoor unit 3 Front cover (main unit)
4 Front panel (front panel)
5 Locking member (locking means)
8 Open windows
8a Protruding part 9 Latch part (claw part)
9a Latch part body 10 Inlet side receiving part (receiving part)
11 Latch hole (engagement part)
12 First nail part
13 Second claw
14 Slide guide
15 Through hole

Claims (3)

An indoor unit locking means for an air conditioner that locks a main body of an indoor unit and a front panel provided on a front surface of the main body,
An engaging portion provided on the front surface of the main body;
A receiving portion is found provided on the back side of the front panel,
A claw portion that is held by the receiving portion and is erected from the back side of the front panel and locked to the engaging portion,
The claw portion is slidably held by the receiving portion, and a flat plate-like latch portion body along the surface direction of the front panel;
A first claw portion that stands up in a direction orthogonal to the surface direction of the latch portion body and is inserted into the engagement portion ;
A second claw portion which is located on both sides of the latch portion main body and whose surface direction is parallel to the front panel and which forms a continuous surface with the latch portion main body and which can be elastically deformed to the latch portion main body side ; Have
The receiving part includes a slide guide on which the latch part body and the second claw part slide,
A through hole provided in parallel to the slide guide and through which the first claw portion passes,
The slide guide is e Bei a protrusion tip of the second claw portion to the free time of the second claw portion is protruded obliquely to the sliding direction of the latch body and the second claw portion,
When the second claw portion is free, the tip of the second claw portion protrudes from the protruding portion, thereby sliding the claw portion in a direction in which the first claw portion engages with the engaging portion,
When the claw part is slid, a portion other than the first claw part, which is composed of the latch body and the second claw part, slides along the surface direction of the front panel. Locking means for the indoor unit of the harmony device.   The engagement means for the indoor unit of an air conditioner according to claim 1, wherein a material having excellent wear resistance is used for the first claw portion.   An indoor unit of an air conditioner comprising the locking means according to claim 1 or 2.

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