JP2020172980A - Protection cover - Google Patents

Abstract

To improve workability during construction of a protection cover for protecting a connection tool in a connection structure of a pipeline duct to a building.SOLUTION: An eaves-like protection cover (1) covers the upper side of a connection tool (70) for connecting a pipeline duct to an opening formed at a building and includes: a frame body (2) fixed to peripheries of the opening and the connection tool (70) attached to the opening; and a cover body (4) detachably attached to the frame body (2). In a state that an engaged part (24) provided at the frame body (2) and an engaging part (42) provided at the cover body (4) are engaged, the frame body (2) and the cover body (4) are fixed at both side parts by using fixtures.SELECTED DRAWING: Figure 7

Description

The present invention relates to a protective cover.

For example, in a building such as a building, an outdoor unit of an air conditioner may be arranged on the roof, and the outdoor unit and the indoor unit arranged in each room may be connected by a pipe. In such a case, the piping for the air conditioner is introduced from the outside to the inside through the opening formed in the building. Piping is often housed and used in a piping duct on the outdoor side from the viewpoint of appearance and protection. In this case, a connecting tool is used to connect the piping duct to an opening formed in a building. Be done. An example of a structure for connecting a piping duct to a building using such a connector is disclosed in Japanese Patent Application Laid-Open No. 2017-21108 (Patent Document 1).

In the connection structure of Patent Document 1, a caulking treatment is applied between the building and the connecting tool in order to prevent rainwater from entering the room. An eaves-shaped protective cover (hood-shaped cover 20) is used to protect the caulking material from rain, wind and direct sunlight. The protective cover includes a frame body (frame body 21) and a cover body (roof body 22) that can be detachably attached to the frame body. The frame body and the cover body are fixed by using fixtures (bolts 26) at the upper portion and both side portions.

However, in such a structure, it is necessary to tighten the fixtures at a plurality of places even on the top surface portion (extended portion 21c) of the cover body at the time of construction, which is troublesome. Further, when tightening the fixture, it is necessary to support the cover body so that the cover body does not fall off from the frame body, and this also requires a lot of time and effort.

Japanese Unexamined Patent Publication No. 2017-21108

It is desired to improve the workability at the time of construction of the protective cover for protecting the fitting in the connection structure of the piping duct to the building.

The protective cover according to the present invention is
An eaves-shaped protective cover that covers the upper part of the fitting for connecting the piping duct to the opening formed in the building.
A frame fixed around the opening in the building and the fitting attached to the opening, and
A cover body that can be detachably attached to the frame body is provided.
In a state where the engaged portion provided on the upper part of the frame body and the engaging portion provided on the cover body are engaged, the frame body and the cover body are fixed by fixing tools on both side portions. Has been done.

According to this configuration, the cover body can be temporarily installed in a state where the engaged portion of the frame body and the engaging portion of the cover body are engaged in the stage before the final fixing using the fixture. .. In the temporarily installed state of the cover body, the operator can perform the tightening operation of the fixture while using both hands, so that the work for final fixing can be easily performed. Further, since the cover body is supported by the engagement between the engaged portion and the engaging portion at the upper portion of the frame body, it is possible to fix the cover body using the fixture only on both side portions of the frame body. Therefore, it is possible to reduce the number of fixtures to be tightened for final fixing. Together, these can improve workability during construction of the protective cover.

Hereinafter, preferred embodiments of the present invention will be described. However, the scope of the present invention is not limited by the preferred embodiments described below.

As one aspect
It is preferable that the engaging portion of the cover body is engaged with the engaged portion of the frame body from above.

According to this configuration, the cover body can be prevented from falling off in the temporarily installed state with a simple structure and high reliability. Further, since the engaging portion between the engaged portion and the engaging portion is concealed by the main body portion of the cover body, the appearance can be maintained well.

As one aspect
The frame body has an upper frame portion fixed to the upper side of the opening.
The cover body has a top surface portion that is vertically opposed to the upper frame portion.
It is preferable that the front end portion of the upper frame portion is folded back at an acute angle to form the engaged portion, and the rear end portion of the top surface portion is folded back at an acute angle to form the engaging portion.

According to this configuration, the upper frame portion of the frame body and the top surface portion of the cover body, which are arranged so as to face each other in the vertical direction, are simply folded back at an acute angle at each end, and the engaged portions engage with each other. And the engaging portion can be properly configured. The frame and cover are often manufactured using thin metal plates, and even in such cases, the engaged portion and the engaging portion can be easily configured by a simple bending process, reducing the manufacturing cost. Can be planned.

Further features and advantages of the present invention will be further clarified by the following illustration of exemplary and non-limiting embodiments described with reference to the drawings.

Perspective view of the connection structure of the piping duct to the building An exploded perspective view of the connection structure of the piping duct to the building Perspective view of the frame Perspective view of the frame Perspective view of the cover body Perspective view of the cover body Cross section of protective cover

An embodiment of the protective cover will be described with reference to the drawings. The protective cover 1 of the present embodiment is used, for example, in a building air-conditioning system to protect a connector 70 for connecting a piping duct 80 to an opening 92 formed in a building 90. As shown in FIGS. 1 and 2, the protective cover 1 is formed in an eaves shape and is arranged so as to cover the upper part of the connector 70.

As shown in FIG. 1, in the building air-conditioning system of the present embodiment, the outdoor unit 95 is arranged on the roof of the building, and the outdoor unit 95 and the indoor unit arranged in each room are connected by a pipe. .. The piping is introduced from the outside to the inside through an opening 92 formed in a wall portion 91 of a building 90 such as a pigeon hut installed on the roof of a building. From the viewpoint of maintaining a good appearance and protecting the pipe from sunlight and rain and wind, the pipe is housed and used in the pipe duct 80 on the outdoor side. The piping duct 80 includes a pair of side plates 81 and a top plate 82 fixed over them so as to cover the upper side of the side plates 81 (see FIG. 2). The piping duct 80 is connected to the opening 92 of the building 90 by using a connector 70.

As shown in FIG. 2, the connector 70 of the present embodiment has a water stop plate 71 fixed to the wall portion 91 of the building 90 and a wall cover fixed to the wall portion 91 via the water stop plate 71. It has 76 and. Further, a packing may be interposed between the wall portion 91 and the water blocking plate 71.

The water stop plate 71 has a mounting plate portion 72 formed in a flat plate shape along the wall portion 91 and a tubular portion protruding from the mounting plate portion 72 to the opposite side of the wall portion 91 at the central portion of the mounting plate portion 72. Has 74 and. Grooves 73 having a rectangular cross section are formed on the upper end edge and both side edges of the mounting plate portion 72 (see FIG. 7), and the groove portions 73 are filled with the caulking material C. By performing such a caulking treatment, it is possible to suppress the intrusion of rainwater into the indoor side of the building 90. The tubular portion 74 is arranged so that the internal space thereof communicates with the opening 92 in a state where the waterproof plate 71 is fixed to the wall portion 91. Further, one end of the piping duct 80 is inserted into the internal space of the tubular portion 74.

The wall cover 76 is arranged so as to cover the outer periphery of the piping duct 80 and the tubular portion 74. The wall cover 76 has a flange portion 77 formed in a flat plate shape along the waterproof plate 71, and a tubular portion 78 protruding from the flange portion 77 to the opposite side of the waterproof plate 71 (and the wall portion 91). .. The tubular portion 78 is formed to be slightly larger than the tubular portion 74 of the water blocking plate 71, and the tubular portion 78 covers the outer periphery of the piping duct 80 and the tubular portion 74. Further, the wall cover 76 has an upper cover 76A and a lower cover 76B in the present embodiment. By having such a divided structure, the wall cover 76 can be attached to the water stop plate 71 in the state where the piping duct 80 is connected after the fact.

The protective cover 1 includes a frame body 2 fixed to the wall portion 91 of the building 90, and a cover body 4 detachably attached to the frame body 2. The cover body 4 can take both a state of being fixed to the frame body 2 by using the fixture 6 and a state of being separable from the frame body 2 with the fixture 6 removed. The fixture 6 may be, for example, a pair of bolts and nuts, or may be bolts alone or screws or the like as long as a portion corresponding to the nut is provided on the frame body 2. In this embodiment, screws are used as the fixture 6.

The frame body 2 is fixed around an opening 92 formed in the wall portion 91 and a connector 70 (water stop plate 71 and wall cover 76) attached to the opening 92. The frame body 2 is fixed to the upper region around the opening 92 and the connector 70. As shown in FIGS. 3 and 4, the frame body 2 faces downward at both ends of the upper frame portion 21 and the upper frame portion 21 extending the upper portion of the opening 92 along the width direction of the opening 92. It has a pair of side frame portions 26 extending from the surface.

The upper frame portion 21 has a flat plate-shaped upper mounting surface portion 22 attached to the wall portion 91, and an upper plate portion 23 erected from the upper mounting surface portion 22. The upper plate portion 23 intersects the upper mounting surface portion 22 (orthogonally in this example), and in a state where the frame body 2 is fixed to the wall portion 91, the upper plate portion 23 is substantially horizontal above the opening 92. Be placed. The front end portion of the upper mounting surface portion 22 constituting the upper frame portion 21 is folded back at an acute angle. The angle due to this folding is not particularly limited as long as it is less than 90 °, but can be any angle within the range of, for example, 15 ° to 75 °, and is preferably 30 ° to 60 °. In this embodiment, the folding angle is set to 45 °. The engaged portion 24 is formed by the folded front end portion of the upper mounting surface portion 22.

The side frame portion 26 has a flat plate-shaped lateral mounting surface portion 27 attached to the wall portion 91, and a side plate portion 28 erected from the horizontal mounting surface portion 27. The side plate portion 28 intersects the lateral mounting surface portion 27 (orthogonally in this example), and in a state where the frame body 2 is fixed to the wall portion 91, substantially vertical on both side portions in the upper region of the opening 92. It is arranged in the posture that becomes. The side plate portion 28 is provided with a fixed portion 29 for fixing a screw as a fixture 6. In this case, the fixed portion 29 can be a round hole with a female thread on the inner surface.

As shown in FIGS. 5 and 6, the cover body 4 detachably attached to the frame body 2 has a top surface portion 41 extending along the upper frame portion 21 of the frame body 2 and extending downward from the top surface portion 41. It has a slanted surface portion 43, a front surface portion 44 extending further downward from the slanted surface portion 43, and a pair of side surface portions 46 extending downward at both end portions thereof.

The top surface portion 41 is arranged so as to face the upper frame portion 21 vertically. The top surface portion 41 is formed in a plate shape as a whole, and its rear end portion is folded back at an acute angle. The angle due to this folding is not particularly limited as long as it is less than 90 °, but can be any angle within the range of, for example, 15 ° to 75 °, and is preferably 30 ° to 60 °. Further, it is preferable that the angle is the same as the folding angle of the front end portion of the upper mounting surface portion 22 of the frame body 2, and in the present embodiment, the folding angle is set to 45 °. The engaged portion 42 is formed by the folded rear end portion of the top surface portion 41. The engaging portion 42 engages with the engaged portion 24 provided on the frame body 2.

The oblique surface portion 43 extends downward in the entire width of the top surface portion 41. The oblique surface portion 43 is arranged so as to gradually project forward as it goes downward. The front surface portion 44 extends downward in the entire width of the top surface portion 41 and the oblique surface portion 43. The front surface portion 44 is arranged in a vertical posture. The lower end of the front surface 44 is folded back by 180 °. The folded portion 45 can be formed by, for example, hemming bending. By providing such a folded-back portion 45, the lower end edge of the front surface portion 44 has a rounded shape, and the safety when the operator grips the cover body 4 and performs the work is enhanced.

The side surface portion 46 is formed in a right-angled triangular shape with the top surface portion 41 to the oblique surface portion 43 to the front surface portion 44 as the hypotenuse in a side view. The side surface portion 46 is arranged on the outside of the side plate portion 28 of the side frame portion 26 constituting the frame body 2 so as to overlap the side plate portion 28. The side surface portion 46 is provided with an insertion hole 47 through which the shaft portion of the screw as the fixture 6 is inserted. The insertion hole 47 is formed at a position overlapping the fixed portion 29 provided on the side plate portion 28 in a state where the cover body 4 is attached to the frame body 2. Then, the fixture 6 inserted into the insertion hole 47 is screwed into the fixed portion 29 of the side plate portion 28, and the frame body 2 and the cover body 4 are fixed by using the fixture 6 on both side portions ( See FIG. 2).

In the present embodiment, the frame body 2 and the cover body 4 are fixed by using the fixing tool 6 only on both side portions (side plate portion 28 and side surface portion 46), and the fixing tool 6 is used for fixing in other parts. 6 is not used. At the upper part (upper frame portion 21 and top surface portion 41), the frame body 2 and the cover body 4 are provided on the engaged portion 24 and the cover body 4 provided on the frame body 2 instead of using the fixture 6. It is engaged with the engaging portion 42. That is, the frame body 2 and the cover body 4 are fixed by using the fixtures 6 on both side portions in a state where the engaged portion 24 of the frame body 2 and the engaging portion 42 of the cover body 4 are engaged. There is.

At the upper part of the frame body 2, the cover body 4 is supported by the engagement between the engaged portion 24 and the engaging portion 42, and since the fixture 6 is not used, the number of fixtures 6 to be tightened. Can be suppressed to a small extent. In the present embodiment, the frame body 2 and the cover body 4 are fixed only by a total of four fixtures 6, two on each side. Since the number of fixtures 6 is quite small, the workability of the protective cover 1 at the time of construction is very good.

At this time, the engaged portion 24 of the frame body 2 is configured by folding back the front end portion of the upper mounting surface portion 22 at an acute angle (45 ° in this example), and the engaging portion 42 of the cover body 4 is the rear end of the top surface portion 41. The portion is folded back at an acute angle (45 °, which is the same as the engaged portion 24 in this example). Therefore, as shown in FIG. 7, the engaged portion 24 and the engaging portion 42 are firmly engaged in a hook shape in a state of being in surface contact with each other, whereby a part of the weight of the cover body 4 is firmly engaged. It is supported. Therefore, the frame body 2 and the cover body 4 can be firmly fixed while keeping the number of fixing tools 6 used for fixing small.

Further, the engaging portion 42 bent downward in the cover body 4 is engaged with the engaged portion 24 bent upward in the frame body 2 from above on the lower surface side of the top surface portion 41. Therefore, in the final mounting state, the engaging portion between the engaged portion 24 and the engaging portion 42 is concealed by the top surface portion 41 and the oblique surface portion 43. Therefore, the appearance of the protective cover 1 can be maintained well.

Further, in the present embodiment, the engaged portion 24 of the frame body 2 and the engaging portion 42 of the cover body 4 are engaged with each other in the stage before the final fixing using the fixture 6 with respect to the frame body 2. The cover body 4 can be temporarily installed. In the temporarily installed state of the cover body 4, the operator can perform the tightening operation of the fixture 6 while using both hands, so that the work for final fixing can be easily performed. Therefore, there is a synergistic effect that the number of fixtures 6 used for fixing can be suppressed to a small number, and the workability at the time of construction of the protective cover 1 can be greatly improved.

[Other Embodiments]
(1) In the above embodiment, the configuration in which the engaged portion 24 of the frame body 2 and the engaging portion 42 of the cover body 4 are both continuous over the entire width has been described as an example. However, without being limited to such a configuration, for example, at least one of them may be formed intermittently in the width direction. When both the engaged portion 24 and the engaging portion 42 are formed intermittently, it is preferable that they are provided at positions where at least a part of them engage with each other and are provided at positions corresponding to each other.

(2) In the above embodiment, the engaging portion 42 provided on the cover body 4 engages with the engaged portion 24 provided on the frame body 2 from above on the lower surface side of the top surface portion 41. The configuration is described as an example. However, without being limited to such a configuration, for example, the engaging portion 42 provided on the cover body 4 is downward on the upper surface side of the top surface portion 41 with respect to the engaged portion 24 provided on the frame body 2. You may engage from.

(3) In the above embodiment, a configuration in which no caulking treatment is applied to the protective cover 1 has been described as an example. However, the protective cover 1 may be subjected to a caulking treatment without being limited to such a configuration. In this case, for example, in the above embodiment, even if the caulking material C is applied to the corners of the wall portion 91 of the building 90 and the upper plate portion 23 of the upper frame portion 21 constituting the frame body 2. good.

(4) In the above embodiment, the configuration in which the connector 70 to be protected by the protective cover 1 includes the waterproof plate 71 and the wall cover 76 has been described as an example. However, without being limited to such a configuration, the protective cover 1 may protect the connector 70 composed of, for example, only the waterproof plate 71.

(5) The configurations disclosed in each of the above-described embodiments (including the above-described embodiment and other embodiments; the same shall apply hereinafter) are applied in combination with the configurations disclosed in other embodiments as long as there is no contradiction. It is also possible to do. As for other configurations, the embodiments disclosed in the present specification are examples in all respects, and can be appropriately modified without departing from the spirit of the present disclosure.

1 Protective cover 2 Frame body 4 Cover body 6 Fixture 21 Upper frame part 24 Engagement part 41 Top surface part 42 Engagement part 70 Connector 71 Water stop plate 76 Wall cover 80 Piping duct 90 Building 92 Opening

Claims (3)

An eaves-shaped protective cover that covers the upper part of the fitting for connecting the piping duct to the opening formed in the building.
A frame fixed around the opening in the building and the fitting attached to the opening, and
A cover body that can be detachably attached to the frame body is provided.
In a state where the engaged portion provided on the upper part of the frame body and the engaging portion provided on the cover body are engaged, the frame body and the cover body are fixed by fixing tools on both side portions. Protective cover that has been. The protective cover according to claim 1, wherein the engaging portion of the cover body is engaged with the engaged portion of the frame body from above. The frame body has an upper frame portion fixed to the upper side of the opening.
The cover body has a top surface portion that is vertically opposed to the upper frame portion.
According to claim 1 or 2, the front end portion of the upper frame portion is folded back at an acute angle to form the engaged portion, and the rear end portion of the top surface portion is folded back at an acute angle to form the engaging portion. Described protective cover.

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