JP4318649B2 - Corner decorative cover - Google Patents

Description

  The present invention relates to a decorative cover processing technology for covering piping such as a refrigerant pipe, a drain hose, a ventilation hose, and an electric wiring disposed between an indoor unit for air conditioning having a ventilation function and an outdoor unit for air conditioning outside. More specifically, the ceiling facing the through hole in the corner cover fixed to the outer wall surface in a state of covering the bent portion of the flexible piping led out in a posture along the outer wall surface through the through hole of the wall. A ventilation hole is formed in the wall portion, and one of the corner covers is open in a substantially L shape in two directions on the outer surface side of the ceiling wall portion of the corner cover and is in a posture intersecting with the outer surface of the ceiling wall portion. The present invention relates to a corner decorative cover in which a ventilation cover that forms a ventilation passage between an opening and a ventilation hole is detachably mounted between the opening and a ventilation wall.

  In the conventional decorative cover for corners, the ceiling wall of the corner cover is formed in a flat shape at approximately the same height as the connecting end to which one end of another pipe cover arranged along the outer wall of the wall is inserted and connected. In addition, a ventilation cylinder portion having a ventilation hole is integrally formed on the outer surface side of the ceiling wall portion, and the outer surface of the ventilation cylinder portion and the inner surface of the ventilation cover can be attached in close contact with each other. It was formed in a taper surface, and the end surfaces of both side walls of the ventilation cover were applied to the flat outer surface of the ceiling wall.

  In addition, a screw-fastening cylinder for removably fastening the corner cover and the ventilation cover with screws is provided at a position where the tip end surface of the ventilation cylinder of the corner cover and the ceiling wall of the ventilation cover are opposed to each other. A screw-fixing insertion hole is formed, and a screw-off projection near the screw-cylinder cylinder on the corner cover side is formed on the outer edge of the screw-fixing insertion hole formed in the ceiling wall portion of the ventilation cover. It was integrally formed.

  Further, among the ventilation covers, the other end side opposite to the opening on the one end side, that is, the front wall portion mounted in a state of being located on the upper side in the usage form is connected to the ventilation passage in the ventilation cover. Two ventilation holes are formed (for example, refer to Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 10-73282 JP 2001-173985 A

  When shipping a decorative cover for a corner, generally, the corner cover and the ventilation cover are mounted in a normal posture in which the center lines passing through the center position in the width direction match each other, and in this state, shrink packaging is performed using a heat-shrinkable film. Although the method is adopted, the end face of both side walls of the ventilation cover is only applied to the flat outer surface of the ceiling wall of the corner cover, so the film at the time of shrink wrapping At least one end of the side walls of the ventilation cover that is elastically deformed to the width-enlarged side as a result of the contraction force on both side walls of the ventilation cover, in particular, the one end side that is the free end is easily elastically deformed to the width-enlarged side. When the packaging part is maintained in its expanded state, the side of the ceiling part of the corner cover falls from the flat outer surface of the ceiling wall part of the corner cover, and when an external force such as vibration is applied, both sides of the ventilation cover Such cracking arcuate corner portions connecting the walls and the ceiling wall may occur.

  Moreover, since the 2nd ventilation hole is formed in the front wall part of a ventilation cover, it attaches a ventilation cover to a corner cover with the vertical attitude | position with the 2nd ventilation hole and one end side opening located up and down. As a result, high ventilation performance can be obtained, but rainwater entering from the second ventilation hole may enter the ventilation hole of the corner cover.

  Furthermore, since the ceiling wall part of the corner cover is formed in a flat shape at substantially the same height as the connection end part to another pipe cover, the distance from the outer surface of the wall to the ceiling wall part of the corner cover is shortened. As a result, it is necessary to abruptly bend the bent portion of the flexible piping led out from the through-hole of the wall to the wall outer surface side, which is a cause of a decrease in workability.

  This invention is made | formed in view of the above-mentioned actual condition, The main subject is to provide the decorative cover for corners which can improve the attachment workability | operativity of the ventilation cover with respect to a corner cover.

In the present invention , among the corner covers fixed to the wall outer surface in a state of covering the bent portion of the flexible piping derived in a posture along the wall outer surface through the wall through hole, the ceiling wall portion facing the through hole A ventilation hole is formed on the outer surface side of the ceiling wall portion of the corner cover, and the opening is substantially L-shaped in two directions and intersects with the outer surface of the ceiling wall portion. In the corner decorative cover in which a ventilation cover that forms a ventilation passage between the ventilation hole and the outer surface of the ceiling wall portion is detachably attached to the ventilation hole,
On the ceiling wall portion of the corner cover, a ventilation cylinder portion provided with a ventilation hole is formed to protrude to the outer surface side. The opposite portion between the ventilation cylinder portion and the ceiling wall portion of the ventilation cover is opposed to the corner cover. When the ventilation cover is mounted, a mounting guide portion that slides in the mounting direction and holds the corner cover with the inner surface of the ventilation cover may be formed.

According to the above configuration , the corner cover is held between the ventilation cover and the inner surface of the ventilation cover in accordance with the sliding contact of the mounting guide portion provided in the opposite portion between the ventilation cylinder portion and the ceiling wall portion of the ventilation cover. Since it can be temporarily held, the screwing work of the ventilation cover with respect to the corner cover can be easily performed.

In the present invention , the outer surface of the ventilation tube portion of the corner cover and the inner surface of the ventilation cover may be formed into a tapered surface that can be mounted in a close contact state.

According to the said structure , since the outer surface of the ventilation cylinder part of a corner cover and the inner surface of a ventilation cover are formed in the taper surface, the mounting | wearing operation | work of a ventilation cover can be performed easily.

In the present invention , the mounting guide portion is provided along the outer edge of the screwing insertion hole of the ventilation cover in a state in which the mounting guide portion is slidably contacted with the outer circumferential surface of the screwing cylinder portion formed on the distal end surface of the ventilation cylinder portion. It may be composed of a guide protrusion formed to protrude.

According to the above configuration, it is possible to make use of the screwing cylinder provided for screwing the corner cover and the ventilation cover mounted on the corner cover, and to use it as one mounting guide. Thus, the temporary holding structure can be simplified and the manufacturing cost can be reduced.

In the present invention , the ventilation cover may be configured to be selectively replaceable in a plurality of mounting postures around the cylinder axis of the ventilation cylinder part of the ceiling wall part.

According to the above configuration, even if the corner cover mounting orientation is, for example, downward, rightward, leftward, or upward depending on the piping conditions, the ventilation cover is in a state in which one of its openings always opens downward. Can be installed.
Therefore, regardless of the mounting position of the corner cover, the ventilation cover can be temporarily held and held in the corner cover in a vertical position where one opening of the ventilation cover is positioned downward, ensuring high ventilation performance. Also workability is good.
And the characteristic structure by Claim 1 of this invention is the corner cover fixed to a wall outer surface in the state which covers the bending part of flexible piping derived | led-out in the attitude | position along a wall outer surface through the through-hole of a wall, A ventilation hole is formed in the ceiling wall part opposite to the through hole, and the outer surface side of the ceiling wall part of the corner cover is opened in a substantially L shape in two directions, and the outer surface of the ceiling wall part A ventilation cover that forms a ventilation path between the one opening and the ventilation hole that are in an intersecting posture and the outer surface of the ceiling wall portion is detachably mounted, and the ceiling wall portion of the corner cover is attached to the ceiling wall portion. A decorative cover for a corner in which a ventilation cylinder portion provided with a ventilation hole is formed to protrude to the outer surface side,
The outer surface of the ventilation cylinder part and the inner surfaces of both side walls and the front wall part of the ventilation cover are formed into tapered surfaces that can be attached in close contact with each other while being inclined toward the cylinder axis of the ventilation cylinder part. And a screw-fastening cylinder portion projecting from the front end surface of the ventilation cylinder portion and a screw-fastening cylinder portion facing the inner surface of the side wall portion of the ventilation cover from the direction of the cylinder axis of the ventilation cylinder portion. When the ventilation cover is externally fitted to the outer surface of the ventilation cylinder part, the guide protrusion and the screw- fixing cylinder part are connected to the cylinder axis of the ventilation cylinder part. A mounting guide portion that holds the corner cover between the inner surface of the ventilation cover that is in contact with the outer surface of the ventilation cylinder portion by engaging in a sliding contact state from the core direction is configured .
The characteristic configuration according to claim 2 of the present invention is such that the guide projection of the mounting guide portion is formed in a semi-cylindrical shape that can be engaged with the semi- circumferential surface of the screw-fastening cylinder portion from the cylinder axis direction of the ventilation cylinder portion. There is in point.
According to a third aspect of the present invention, the ventilation tube portion is formed in a square tube shape, and the screw-fastening tube portion is formed at the center position of each side of the distal end surface of the ventilation tube portion. The screwing insertion holes of the ventilation cover are provided in a pair so as to be selectively communicated with two pairs of screwing cylinders opposed to each other in the side direction of the ventilation cylinder part. The guide protrusion is formed so as to protrude along the outer edge of the guide.

[First Embodiment]
FIGS. 1 to 7 show a flexible pipe 1 such as a refrigerant pipe 1A, a drain hose, a ventilation hose 1B, and an electric wiring disposed between an indoor unit for air conditioning having a ventilation function and an outdoor unit for air conditioning. Is a cylindrical cover that covers the bent portion 1a of the flexible piping 1 that is led out in a posture along the wall outer surface 2a through a sleeve 4 attached to the through hole 3 of the wall 2. In the corner cover 5 made of synthetic resin, a number of slit-like ventilation holes 6 are formed in the ceiling wall portion 5D opposite to the through-hole 3, and on the outer surface of the ceiling wall portion 5D of the corner cover 5, An opening 7a, 7b that opens in an approximately L-shape in two directions, and an opening 7b on one end side that is disposed on the lower side in the usage mode, that is, an attitude that intersects the outer surface of the ceiling wall 5D One opening 7b and corner cover 5 A synthetic resin ventilation cover 7, which forms a ventilation passage 8 between the ceiling wall 5 </ b> D and the outer surface of the ceiling wall 5 </ b> D in a state extending over the ventilation hole 6, is detachably mounted. The elastic cover 7 is prevented from being elastically deformed outwardly in the width direction of both side walls 7A of the ventilation cover 7 at a portion facing the one end side of the ventilation cover 7 mounted in a normal posture in which the centerlines passing through the positions coincide with each other. A deformation restricting means A is provided.

  The corner cover 5 is another straight tubular synthetic resin pipe cover 10 that is disposed along the wall outer surface 2a with the position crossing the pipe inlet 9 formed on the bottom wall side as a division starting point. A flat U-shape opening upward along a letter-shaped split line to a side view deformation with the middle position in the height direction of the connection end 5C to be inserted and connected in a fitted state in one end of The mounting member 5A and the cross-sectional shape covering the upper and front sides thereof are divided into a substantially flat U-shaped lid member 5B.

  On both side wall portions 5F of the attachment member 5A, a screw-fastening cylinder portion into which screws for fastening and fixing the flange portion 5G applied to the wall outer surface 2a and the attachment member 5A and the lid member 5B at two locations are screwed. 5H is integrally formed, and an insertion hole 12 for a screw 11 for attaching to the wall outer surface 2a is formed through the bottom wall portion 5J.

Of the ceiling wall portion 5D of the lid member 5B, a portion 5d in a range extending from the front end to the vicinity of the connection end portion 5C is raised and formed on the side farther from the wall outer surface 2a than the connection end portion 5C. A portion of the ceiling wall portion 5d facing the through hole 3 has a rounded square square ventilation cylinder portion 5E in which a number of slit-like ventilation holes 6 are formed on the front end surface side. 1 to 4, the outer surface 5e of the ventilation cylinder portion 5E, the 7A side wall portions 7A of the ventilation cover 7 and the inner surface 7c of the front wall portion 7B, The ventilation cylinder part 5E is formed on a tapered surface that is inclined toward the cylinder axis and can be attached in close contact with each other .

  The inner surface dimension of both side wall portions 7A of the ventilation cover 7 is configured to be the same as or slightly smaller than the length of each side of the ventilation cylinder portion 5E, and both the side wall portions 7A and the front wall portion of the ventilation cover 7 are arranged. Each arcuate corner located between 7B is configured to have a curvature that can be fitted in sliding contact with each arcuate corner of the ventilation cylinder 5E, as shown in FIG. When the corner cover 5 and the ventilation cover 7 are in the same orientation, the center line passing through the center position in the width direction of the corner cover 5 and the ventilation cover 7 coincides and the ventilation covers the ventilation. When the opening 7b on one end side of the cover 7 is located on the connection end portion 5C side of the corner cover 5 in the normal mounting posture, as shown in FIG. The second wearing posture with the direction changed 90 degrees to the left, and (c) in Fig. 7 As shown in FIG. 7, the ventilation cover 7 is turned 90 degrees to the right with respect to the corner cover 5, and the ventilation cover 7 is 180 degrees with respect to the corner cover 5 as shown in FIG. It is configured to be selectively changeable to the fourth mounting posture whose orientation has been changed.

  Therefore, even if the mounting posture of the corner cover 5 is downward, rightward, leftward, or upward depending on the piping conditions, the ventilation cover 7 is mounted with the opening 7b at one end thereof always opened downward. can do.

Therefore, the ventilation cover 7 is provided with an insertion hole 14 for a screw 13 for fastening the corner cover 5 and the ventilation cover 7 at two locations on the portion of the ventilation cover 7 that wraps around the ceiling wall 7E side. As shown in FIG. 2, the recess 7C is formed, and at the four positions serving as the center positions of the respective sides on the distal end surface of the ventilation cylinder portion 5E, the four mounting postures described above are selectively tightened and fixed. A screw- fixing cylinder portion 5K is integrally formed to project, and the insertion holes 14 of the pair of mounting recesses 7C are configured to selectively communicate with the two pairs of screw-fixing cylinder portions 5K .

  In the ventilation cover 7, a plurality of slit-like second ventilation holes 15 communicating with the ventilation passage 8 in the ventilation cover 7 are formed through the front wall portion 7 </ b> B on the other end side opposite to the opening 7 b on the one end side. In addition, a hanging wall 16 that projects toward the one end side opening 7b along the edge of the second ventilation hole 15 on the corner cover 5 side or in the vicinity thereof is integrally formed on the inner surface of the front wall portion 7B. ing.

  Therefore, by attaching the ventilation cover 7 to the corner cover 5 in the vertical orientation in which the second ventilation hole 15 and the one end side opening 7b thereof are positioned vertically, the high ventilation performance is ensured while the high ventilation performance is secured. 2 It is possible to prevent rainwater entering from the ventilation hole 15 from entering the ventilation hole 6 of the corner cover 5 by the drooping wall 16 formed on the inner surface of the front wall portion 7B.

  In addition, the protruding margin of the ceiling wall portion 5D of the corner cover 5 is configured to be substantially the same as or larger than the protruding margin of the ventilation cylinder portion 5E provided with the ventilation hole 6 that is integrally projected and formed on the outer surface side. In addition, the distance from the wall outer surface 2a to the ventilation hole 6 of the corner cover 5 is increased due to the protruding margin of the ceiling wall portion 5D of the corner cover 5 and the projection margin of the ventilation cylinder portion 5E. The bending allowable range at the bent portion 1a of the flexible piping 1 led out from the wall 3 to the wall outer surface 2a side is expanded, and the piping work can be facilitated and streamlined.

Further, as shown in FIGS. 1 to 6, the ventilation cover 7 is provided on the inner surface of the mounting recess 7 </ b> C of the ventilation cover 7, out of the outer peripheral surface of the screw-fastening cylinder part 5 </ b> K formed on the tip surface of the ventilation cylinder part 5 </ b> E. A semi-cylindrical guide protrusion that can be engaged with a half circumferential surface portion on the center side in the width direction in a slidable contact state from the cylinder axis direction and that opens in a state facing the inner surface of the side wall portion 7A of the ventilation cover 7 7D is integrally formed along the outer edge of each screw-fixing insertion hole 14, and the guide projection 7D and the screw-fixing cylinder portion 5K are used to form the tip end surface of the ventilation cylinder portion 5E and the ventilation cover. 7 when the ventilation cover 7 is mounted on the corner cover 5 in any mounting posture at a position opposite to the ceiling wall 7E, from the direction of the cylinder axis of the ventilation cylinder 5E that is the mounting direction. and engaging in sliding contact with each other, the ventilation tube portion 5E Mounting guide portion 17 for temporary fixing of clamping hold the corner cover 5 between the tapered inner surface 7c of the ventilation cover 7 in contact with the tapered outer surface 5e is formed.

  The deformation restricting means A is formed to protrude on both sides in the width direction of the V-shaped concave portion 18 of the downward opening formed on one end side of the both side wall portions 7A of the ventilation cover 7 and the ceiling wall portion 5D of the corner cover 5. And a plate-like convex portion 19.

  In a state where the V-shaped concave portions 18 of the both side wall portions 7A of the ventilation cover 7 are engaged with the both convex portions 19 of the corner cover 5, even if an external force is applied to the ceiling wall portion 7E of the ventilation cover 7 The one end side of the side wall portions 7A of the ventilation cover 7 is not elastically deformed to the width expansion side. Therefore, by the simple modification that only forms the concavo-convex portions 18 and 19 that can be engaged with the opposite portions of the side wall portions 7A of the ventilation cover 7 and the ceiling wall portion 5D of the corner cover 5, during shrink wrapping, It is possible to prevent the occurrence of cracks or the like due to the one end side of the both side wall portions 7A of the ventilation cover 7 being elastically deformed to the width expansion side and falling from the ceiling wall portion 5D of the corner cover 5.

  The lid member 5B includes a flange portion 5L applied to the wall outer surface 2a, and an attachment recess 5M having insertion holes 20 for screws for fastening and fixing the attachment member 5A and the lid member 5B at two locations. Is formed, and an insertion hole 21 for a screw 22 for attaching to the outer wall surface 2a is formed through the flange portion 5L.

[Second Embodiment]
FIGS. 8 and 9 show the ventilation cover 7 at a position facing the corner cover 5 and one end side of the ventilation cover 7 mounted in a normal posture in which the center lines passing through the center position in the width direction match each other. 7 shows another embodiment of the deformation restricting means A for preventing the elastic deformation of the both side wall portions 7A outward in the width direction, which is integrally formed on one end side of the both side wall portions 7A of the ventilation cover 7. It is comprised from the plate-shaped convex part 23 made and the recessed part 24 penetrated or formed in the width direction both sides of the ceiling wall part 5D of the corner cover 5. As shown in FIG.

When the convex portions 23 of the side wall portions 7A of the ventilation cover 7 are engaged with the concave portions 24 of the corner cover 5, even if an external force is applied to the ceiling wall portion 7E of the ventilation cover 7, the ventilation cover One end portion side of the both side wall portions 7A of 7 is not elastically deformed to the width expansion side.
In addition, since the other structure is the same as the structure demonstrated in 1st Embodiment, the same number is attached to the same structure location as 1st Embodiment, and the description is abbreviate | omitted.

[Other Embodiments]
(1) In the above-described embodiments, the corner cover 5 is divided into two parts. However, the mounting member 5A and the lid member 5B are integrally formed or the bottom wall is not integrated. You may carry out using.

  (2) As said deformation | transformation control means A, in the site | part opposite to the corner cover 5 and the one end part side of the ventilation cover 7 with which the centerline which passes the center position of the width direction with respect to it matched | matched with the regular attitude | position Any structure may be adopted as long as it can prevent elastic deformation of the side wall portions 7A of the ventilation cover 7 outward in the width direction.

Sectional side view at the time of attachment which shows 1st Embodiment of the decorative cover for corners of this invention Perspective view when the cover member of the corner cover and the ventilation cover are separated Cross-sectional side view of corner cover and ventilation cover when disassembled Cross-sectional front view during assembly Rear view when assembled Rear view when disassembled (B) to (d) are plan views when the mounting position of the ventilation cover with respect to the corner cover is changed by 90 degrees. The disassembled perspective view of the principal part which shows 2nd Embodiment of the decorative cover for corners of this invention. Partial cutaway rear view of the main part

Explanation of symbols

A Deformation restricting means 1 Flexible piping 1a Bent part 2 Wall 2a Wall outer surface 3 Through hole 5 Corner cover 5C Connection end 5D Ceiling wall part 5E Ventilation cylinder part 5e Taper outer surface 5K Screw fixing cylinder part 6 Ventilation hole 7 Ventilation Cover 7A Side wall portion 7B Front wall portion 7D Guide projection 7a Opening portion 7b Opening portion 7c Tapered inner surface 8 Ventilation passage 15 Second ventilation hole 16 Hanging wall 17 Mounting guide portion 18 Concavity portion 19 Convex portion 23 Convex portion 24 Concavity portion

Claims (3)

Out of the corner cover fixed to the wall outer surface in a state of covering the bent portion of the flexible piping derived in a posture along the wall outer surface through the wall through hole, a ventilation hole is formed in the ceiling wall portion facing the through hole. At the outer surface side of the ceiling wall portion of the corner cover, an opening that is substantially L-shaped in two directions and that intersects with the outer surface of the ceiling wall portion and a ventilation hole A ventilation cover that forms a ventilation passage with the outer surface of the ceiling wall portion is detachably mounted in a spanning state, and a ventilation cylinder portion provided with the ventilation holes protrudes outward from the ceiling wall portion of the corner cover A corner decorative cover formed,
The outer surface of the ventilation cylinder part and the inner surfaces of both side walls and the front wall part of the ventilation cover are formed into tapered surfaces that can be attached in close contact with each other while being inclined toward the cylinder axis of the ventilation cylinder part. And a screw-fastening cylinder portion projecting from the front end surface of the ventilation cylinder portion and a screw-fastening cylinder portion facing the inner surface of the side wall portion of the ventilation cover from the direction of the cylinder axis of the ventilation cylinder portion. When the ventilation cover is externally fitted to the outer surface of the ventilation cylinder part, the guide protrusion and the screw- fixing cylinder part are connected to the cylinder axis of the ventilation cylinder part. by engaging the core direction sliding contact state, the decorative cover corner mounting guide portion for clamping the corner cover between the inner surface of the ventilation cover in contact with the outer surface of the ventilation tube portion is formed. The corner decorative cover according to claim 1 , wherein the guide projection of the mounting guide portion is configured in a semi-cylindrical shape that can be engaged with a semi- circumferential surface of the screw-fastening cylinder portion from the direction of the cylinder axis of the ventilation cylinder portion.   The ventilation tube portion is formed in a square tube shape, the screw-fastening tube portion is formed at the center position of each side of the distal end surface of the ventilation tube portion, and the screw-fastening insertion hole of the ventilation cover is formed. The guide projections are formed along the outer edge of each screw-fixing insertion hole, and are provided in a pair so as to be able to selectively communicate with two pairs of screw-fixing tube portions facing each other in the side direction of the ventilation cylinder portion. The corner decorative cover according to claim 2.

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