JP7227600B2 - Connection structure and connection method of radiation panel - Google Patents

Description

TECHNICAL FIELD The present invention relates to a connection structure and connection method of radiant panels, and more particularly, to a connection structure and connection method of radiant panels installed on the ceiling of a building for indoor cooling or heating.

BACKGROUND ART Conventionally, radiant panels are installed on ceilings to cool and heat indoors. For example, Patent Document 1 describes a heat exchanger for a cooling and heating device in which a pipe through which a fluid passes and a frame member for connecting each panel are arranged on one side of a group of a plurality of panels arranged in parallel. A unit is disclosed. The frame member extends in a direction across each panel, and the frame member and each panel are elastically deformed and fit together at both ends of each panel in the width direction when the frame member and each panel are moved relative to each other in a direction in which they overlap each other. connected by mating connecting means.

Japanese Patent No. 5306843

However, in the above-described conventional heat exchange unit, if the dimensional accuracy of the connection structure is low, it becomes difficult to correctly fit the frame member to the panel, and there is a risk that the construction work will be complicated. In addition, since a frame member is essential for connecting the panels, there is a possibility that the material cost will be high.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a radiant panel connection structure and a connection method that enable panel bodies to be easily connected at low cost.

The object of the present invention is a connection structure for radiant panels that connects in parallel a plurality of panel bodies having a pipe through which a heat transfer fluid passes on one side, wherein each panel body is arranged on one side in the parallel direction. and a second overlapping portion provided on the other side in the parallel direction via a stepped portion. is provided with an engaging portion that engages with each other and a contact portion that abuts against each other, and the stepped portion is arranged such that the second overlapping portion is arranged above the first overlapping portion. and projecting to one surface side of the panel main body, and the other surface side of the second overlapping portion provided on the other panel main body is positioned with respect to the one surface side of the first overlapping portion provided on one of the panel main bodies. By pressing, the engaging portions are engaged with each other, the contact portions are in contact with each other, and the end surface of the first overlapped portion is in contact with the stepped portion so that the other surface side of the joint portion is flush with each other. One of the engaging portions included in the first overlapping portion includes a pair of standing pieces spaced apart in the parallel direction on one surface of the first overlapping portion. A locking piece is provided at the tip of one of the standing pieces farther from the end on the one side in the parallel direction , and one of the contacting portions provided in the first overlapping portion is connected to the other of the standing pieces. The other engaging portion provided in the second overlapping portion includes a pair of engaging pieces that are inserted between and engage with the pair of standing pieces, and the panel A locking piece is provided at the tip of one of the engaging pieces that is closer to the end of the main body on the other side in the parallel direction , and the other abutting portion included in the second overlapping portion Formed on the other surface of the double overlapped portion, the one and the other engaging portions are achieved by a connecting structure of the radiating panels in which the engaging pieces are engaged with each other to engage with each other .

Alternatively, the object of the present invention is a radiant panel connecting structure for connecting in parallel a plurality of panel bodies each having a pipe through which a heat transfer fluid passes is arranged on one side thereof, wherein each of the panel bodies is arranged in parallel in one direction. and a second overlapping portion provided on the other side in the parallel direction via a stepped portion, wherein one surface side of the first overlapping portion and the other surface of the second overlapping portion are provided. An engaging portion that engages with each other and an abutting portion that abuts on each other are provided on the sides, respectively. By pressing the other side of the second overlapped portion of the panel body, the engaging portions are engaged with each other and the contact portions are brought into contact with each other, so that the end surface of the first overlapped portion contacts the stepped portion. The one engaging portion of the first overlapping portion is formed by a concave portion of a cradle provided on one surface of the first overlapping portion. The other engaging portion included in the second overlapping portion is configured by a convex portion that fits into the concave portion, and the one contact portion included in the first overlapping portion is the first overlapping portion. The other abutting portions provided at a plurality of locations on one surface and included in the second overlapping portion are composed of a portion formed by bending the stepped portion toward the first overlapping portion and a portion of the second overlapping portion. The one contact portion and the other contact portion are respectively provided in the portions hanging from the end portion, and the one contact portion and the other contact portion are in contact with each other on both sides of the one and the other engaging portions, thereby forming the first contact portion. This is achieved by a radiating panel connection structure that prevents the overlapped portion and the second overlapped portion from rotating around the engaging portions on one side and the other. In this radiant panel connecting structure, it is preferable that the projection has a circular cross section, and that a slit is formed from the tip toward the center.

Further, the object of the present invention is a method for connecting a plurality of radiant panel bodies arranged in parallel, each panel body having a pipe through which a heat transfer fluid passes is arranged on one side thereof, wherein each of the panel bodies is arranged in parallel in one direction. a first overlapped portion provided on the side, a second overlapped portion provided on the other side in the parallel direction via a stepped portion, and a pipe receiving portion provided on one side for holding the pipe, An engaging portion that engages with each other and an abutting portion that abuts against each other are provided on one surface side of the first overlapping portion and the other surface side of the second overlapping portion, respectively . The portion protrudes toward one surface side of the panel body such that the second overlapping portion is arranged above the first overlapping portion, and the one surface of the first overlapping portion included in one of the panel bodies is provided. By pressing the other surface side of the second overlapped portion provided on the other panel body against the side, the engaging portions are engaged with each other and the contact portions are brought into contact with each other, resulting in the first overlapped portion. The end surface of the contacting portion abuts on the stepped portion so that the other surface side of the joint portion is flush, and one of the engaging portions included in the first overlapping portion is provided on one surface of the first overlapping portion, A pair of standing pieces are provided spaced apart in the parallel direction, and a locking piece is provided at the tip of one of the standing pieces farther from the end of the panel body on one side in the parallel direction. One of the abutting portions included in the first overlapping portion is formed on the tip end surface of the other standing piece, and the other engaging portion included in the second overlapping portion includes a pair of the standing pieces. A pair of engaging pieces are inserted between the pieces and engaged with each other, and a locking piece is provided at the tip of one of the engaging pieces that is closer to the end of the panel body on the other side in the parallel direction. The other abutting portion included in the second overlapping portion is formed on the other surface of the second overlapping portion, and the one and the other engaging portions are formed so that the locking pieces are aligned with each other. It is configured to be locked and engaged with each other, and the other surface of the second overlapping portion provided on the other panel body is opposed to the one surface side of the first overlapping portion provided on one of the panel main bodies. a panel coupling step of engaging the engaging portions and contacting the contact portions by pressing the sides thereof; and a pipe mounting step of fitting the pipe into the pipe receiving portion. The panel connecting step and the pipe mounting step are achieved by a method of connecting radiating panels that simultaneously performs the step of connecting the radiating panels by using a pressing member having an overlapping portion pressing portion that presses the second overlapping portion and a pipe pressing portion that presses the pipe.

According to the present invention, it is possible to provide a radiant panel connection structure and a connection method that enable easy connection of panel bodies at low cost.

FIG. 4A is a schematic perspective view from below of the ceiling on which the radiation panel connection structure according to the embodiment of the present invention is installed, and FIG. 4B is a bottom view of the radiation panel connection structure. FIG. 4 is a plan view of a connecting structure of radiation panels; FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2; FIG. 4 is an enlarged view of a main portion of FIG. 3; FIG. 5 is a cross-sectional view for explaining a method of connecting radiation panels; FIG. 10 is a cross-sectional view of a main part showing a connection structure of radiation panels according to another embodiment of the present invention; FIG. 10 is a cross-sectional view of a main part showing a connection structure of radiation panels according to still another embodiment of the present invention; FIG. 10 is a cross-sectional view of a main part showing a connection structure of radiation panels according to still another embodiment of the present invention; FIG. 10 is a cross-sectional view of a main part showing a connection structure of radiation panels according to still another embodiment of the present invention;

An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1A is a schematic perspective view from below of a ceiling section on which a radiant panel connection structure according to an embodiment of the present invention is installed. As shown in FIG. 1(A), on the ceiling of the room, a panel connector 1 connecting a plurality of radiant panels is arranged in a row along the longitudinal direction (direction A) of the panel connector 1. A plurality of rows are formed, and an illumination section 2 is provided between each row of the panel connecting bodies 1 . As shown in the bottom view of FIG. 1B, each panel connecting body 1 is configured by connecting a plurality of panel bodies 4 arranged in parallel in a direction orthogonal to the longitudinal direction (direction A).

FIG. 2 is a plan view of the connecting structure of the radiating panels. As shown in FIG. 2, each panel main body 4 that constitutes the panel connecting body 1 is a flat plate-shaped member that is rectangular in plan view and formed by extruding a material made of aluminum or the like. connected to each other.

A pipe 3 is arranged on one surface, which is the upper surface of the panel body 4 . The pipe 3 includes a plurality of straight portions 3a extending parallel to each other, and in this embodiment, one straight portion 3a is arranged for one panel body 4. As shown in FIG. Each straight portion 3a is connected by a U-turn portion 3b so that adjacent portions are folded back at the end portion to form a meandering flow path. Pipes 8 are connected to both ends of the connected pipes 3 via joints 7 . In this manner, the pipe 3 through which the heat transfer fluid passes is arranged on one side of the panel body 4, and the panel bodies 4 are connected to each other, thereby forming a connection structure of the radiant panel. The material of the pipe 3 is not particularly limited, but a material having a light weight and a certain degree of rigidity, such as a metal pipe made of aluminum or the like, or a three-layer pipe in which the inner and outer surfaces of this metal pipe are coated with a resin such as polyethylene, is preferably exemplified. be able to.

3 is a cross-sectional view taken along line III--III in FIG. 2, and FIG. 4 is an enlarged view of a main portion of FIG. As shown in FIGS. 3 and 4, at the center of one surface of the panel body 4 in the lateral direction (the direction of arrow B), there is a pipe receiving portion 6 having an arcuate cross-section for receiving the straight portion 3a of the pipe 3. is provided.

A first overlapping portion 41 is provided on one side (right side) of the panel body 4 in the parallel direction (the direction of arrow B). A second overlapping portion 43 is provided on the other side (left side) of the panel body 4 in the parallel direction with a stepped portion 42 interposed therebetween. The first overlapped portion 41 and the second overlapped portion 43 are formed flat and extend parallel to each other along the longitudinal direction of the panel body 4 . 41 and above. The plurality of panel bodies 4 are arranged such that the second overlapping parts 43 of the other panel bodies 4 are superimposed on one side of the first overlapping parts 41 of one panel body 4 with a gap therebetween.

Engagement portions 44 and 45 and contact portions 46 and 47 are provided along the longitudinal direction on one surface side of the first overlapping portion 41 and the other surface side of the second overlapping portion 43, respectively. One engaging portion 44 included in the first overlapping portion 41 includes a pair of standing pieces 44a and 44b arranged on one side of the first overlapping portion 41 with a gap therebetween. is provided with a locking piece 44c. The other engaging portion 45 provided in the second overlapping portion 43 includes a pair of engaging pieces 45a and 45b that are inserted between and engage with the pair of standing pieces 44a and 44b. A locking piece 45c is provided at the tip of the piece 45a. The engaging portions 44 and 45 are engaged with each other by locking the locking pieces 44c and 45c.

One contact portion 46 provided in the first overlapping portion 41 is formed on the tip surface of the other upright piece 44b, and the other contact portion 47 formed on the other surface of the second overlapping portion 43 , abutting vertically.

In the plurality of panel bodies 4, 4, the parallel-direction end faces 41a of the first overlapped portions 41 abut against the stepped portions 42, and the other surfaces of the joint portions are flush with each other.

As shown in FIG. 5, each of the panel bodies 4 having the above-described structure has one panel body 4 placed on the placement surface 110, and then the second overlapping portion 43 of the other panel body 4 is placed on the one panel. By placing it on the first overlapping portion 41 of the main body 4 and pressing it from above, the engaging portions 44 and 45 are engaged with each other, the contact portions 46 and 47 are brought into contact with each other, and further the first overlapping portion The end face 41 a of 41 abuts on the stepped portion 42 . Adjacent panel main bodies 4, 4 can be reliably connected by such a panel connecting process, so that a plurality of panel main bodies 4 can be easily connected at low cost without using conventional frame materials. can do. In addition, since the lower surfaces of the panel bodies 4, 4 can be kept flush with each other without forming a gap at the joint portion of the panel bodies 4, 4, the appearance can be improved.

The frame material is not an essential component in the present invention, but the frame material may be used to suspend and support the panel connecting body 1 from the ceiling of a building or the like, or means other than the frame material (for example, bolts It is also possible to attach the panel connecting body 1 to the ceiling by means of screws, etc.).

The straight portion 3a of the pipe 3 is fitted to the pipe receiving portion 6 by placing the straight portion 3a on the upper opening of the pipe receiving portion 6 and pressing it from above. Through such a pipe mounting process, the pipe 3 can be fixed to the upper surface of the panel body 4 .

Since the pressing directions of the second overlapping portion 43 and the pipe 3 are the same in the panel joining step and the pipe attaching step, for example, as shown in FIG. By moving the pressing member 100 provided with 102 in the direction of arrow C, it is possible to simultaneously perform these operations. Therefore, it is possible to quickly and efficiently connect the radiant panels in which the pipes 3 are provided to the panel body 4 .

When the panel joining process and the pipe mounting process are performed at the same time, the two processes do not necessarily have to be performed at the same time, and some time difference may occur between the two processes. For example, instead of using the pressing member 100, both steps may be performed simultaneously by moving rolling bodies such as rollers along the upper surfaces of the panel bodies 4,4.

As described above, one embodiment of the present invention has been described in detail, but the specific aspects of the present invention are not limited to the above-described embodiment, and various modifications are possible. and pipe installation steps can be performed simultaneously.

For example, as shown in FIG. 6, one of the engaging portions 44 included in the first overlapping portion 41 is configured by a concave portion of a pedestal provided on one surface of the first overlapping portion 41, and the second overlapping portion 43 The other engaging portion 45 provided may be configured by a columnar convex portion that fits into the concave portion. According to this configuration, the engagement of the engaging portions 44 and 45 can be easily performed by fitting the convex portion having a circular cross section into the concave portion, and the radiating panel can be quickly and reliably connected. can. The shape of the convex portion having a circular cross section is not limited to a cylindrical shape, and may be, for example, a hollow cylindrical shape or a plurality of spherical shapes. Alternatively, one of the engaging portions 44 may be a convex portion having a circular cross section, and the other engaging portion 45 may be a concave portion to be fitted therewith. In addition, in FIG. 6, the same components as in FIG. 4 etc. are denoted by the same reference numerals, and detailed description thereof is omitted (the same applies to the following figures).

In the configuration shown in FIG. 6 , one contact portion 46 provided in the first overlapping portion 41 is provided at a plurality of locations on one surface of the first overlapping portion 41 , and the other contact portion provided in the second overlapping portion 43 is provided at a plurality of locations. Abutting portions 47 are provided at a portion where the stepped portion 42 is bent toward the first overlapping portion 41 and a portion which hangs down from the end portion of the second overlapping portion 43 . The contact portion 46 on one side and the contact portion 47 on the other side contact each other on both sides of the engaging portions 44 and 45, whereby the first overlapping portion 41 and the second overlapping portion 43 are connected to the engaging portions 44 and 45, respectively. Since rotation about 45 is prevented, the connected state can be reliably maintained.

As shown in FIG. 7, the engaging portions 44 and 45 are engaged with each other by fitting a convex portion having a circular cross section with a concave portion in the same manner as in the configuration shown in FIG. 46 may be formed by a concave portion of the cradle, and the other abutment portion 47 may be formed by a convex portion having a circular cross section that fits into the concave portion. According to this configuration, the engaging portions 44 and 45 and the abutting portions 46 and 47 can be fitted together at the same time. Since the engaging portions 44 and 45 can be fitted to each other by moving, the panel bodies 4 and 4 can be easily and reliably connected to each other.

As shown in FIG. 8, the other abutting portion 47, which is a protrusion having a circular cross-section as shown in FIG. The contact portion 46 may be arranged so as to open in a direction along one surface of the first overlapping portion 41 . According to this configuration, as shown in FIG. 8A, after the contact portions 46 and 47 are fitted together, the second superimposed portion 43 is pivoted about the contact portions 46 and 47 in the direction of the arrow. As shown in FIG. 8B, the fitting between the engaging portions 44 and 45 and the contact between the end surface 41a of the first overlapped portion 41 and the stepped portion 42 can be easily and can be done with certainty. The abutment portions 46 and 47 may simply be in contact instead of being abutted by fitting as long as rotation around the engagement portions 44 and 45 can be prevented.

The other engaging portion 45, which is a convex portion having a circular cross section shown in FIGS. According to this configuration, when fitting with one of the engaging portions 44, the other engaging portion 45 is elastically deformed so as to narrow the width of the slit 45a. After the fitting, the width of the slit 45a is widened so that the engaging portion 45 on the other side comes into close contact with the engaging portion 44 on the one side, so that the fitted state can be reliably maintained. A slit may be formed in the abutting portion 47 which is a convex portion having a circular cross section as in the case of the engaging portion 45 .

The panel main body 4 of this embodiment is a flat panel in which the other side, which is the lower side when installed, is flat. It may be a rib-shaped panel, or a corrugated panel or the like having a plurality of curved portions on the other side of the panel body 4 .

1 Panel connecting body 3 Pipe 4 Panel main body 6 Pipe receiving portion 41 First overlapping portion 42 Stepped portion 43 Second overlapping portions 44, 45 Engagement portions 44c, 45c Locking pieces 46, 47 Contact portion

Claims (4)

A radiant panel connection structure in which a plurality of panel bodies each having a pipe through which a heat transfer fluid passes are arranged on one side thereof are connected in parallel,
Each panel body includes a first overlapping portion provided on one side in the parallel direction and a second overlapping portion provided on the other side in the parallel direction via a stepped portion,
An engaging portion that engages with each other and a contact portion that contacts each other are provided on one surface side of the first overlapping portion and the other surface side of the second overlapping portion, respectively,
The step portion protrudes toward one side of the panel body such that the second overlapping portion is arranged above the first overlapping portion, and
By pressing the other side of the second overlapped portion of another panel body against one side of the first overlapped portion of one of the panel bodies, the engaging portions are engaged with each other. and the contact portions are in contact with each other, and the end surface of the first overlapping portion is in contact with the stepped portion so that the other surface side of the joint portion is flush with each other,
One of the engaging portions included in the first overlapping portion includes a pair of standing pieces spaced apart in the parallel direction on one surface of the first overlapping portion. A locking piece is provided at the tip of one of the standing pieces farther from the one end ,
One of the abutting portions included in the first overlapping portion is formed on a tip end surface of the other of the standing pieces,
The other engaging portion provided in the second overlapping portion includes a pair of engaging pieces that are inserted between and engage with the pair of standing pieces, and the end of the panel main body on the other side in the parallel direction is provided. A locking piece is provided at the tip of one of the engaging pieces that is closer to the part ,
The other abutting portion included in the second overlapping portion is formed on the other surface of the second overlapping portion,
The connecting structure of the radiating panels in which the engaging pieces on one side and the other engaging portion are engaged with each other by locking the locking pieces. A radiant panel connection structure in which a plurality of panel bodies each having a pipe through which a heat transfer fluid passes are arranged on one side thereof are connected in parallel,
Each panel body includes a first overlapping portion provided on one side in the parallel direction and a second overlapping portion provided on the other side in the parallel direction via a stepped portion,
An engaging portion that engages with each other and a contact portion that contacts each other are provided on one surface side of the first overlapping portion and the other surface side of the second overlapping portion, respectively,
By pressing the other side of the second overlapped portion of another panel body against one side of the first overlapped portion of one of the panel bodies, the engaging portions are engaged with each other. and the contact portions are in contact with each other, and the end surface of the first overlapping portion is in contact with the stepped portion so that the other surface side of the joint portion is flush with each other,
one of the engaging portions of the first overlapping portion is configured by a concave portion of a cradle provided on one side of the first overlapping portion;
The other engaging portion included in the second overlapping portion is configured by a convex portion that fits into the concave portion,
One of the contact portions included in the first overlapping portion is provided at a plurality of locations on one surface of the first overlapping portion,
The other abutting portion included in the second overlapping portion is provided at a portion where the stepped portion is bent toward the first overlapping portion and a portion hanging down from the end of the second overlapping portion. ,
The contact portion on one side and the contact portion on the other side contact each other on both sides of the engaging portions on the one side and the other side, whereby the first overlapped portion and the second overlapped portion are connected to the one side and the other side. A connecting structure for a radiating panel that is prevented from rotating about the engaging portion of the radiating panel. 3. The connecting structure of radiation panels according to claim 2 , wherein the projection has a circular cross-section, and a slit is formed from the tip toward the center. A method of connecting a radiant panel for connecting in parallel a plurality of panel bodies each having a pipe through which a heat transfer fluid passes is arranged on one side thereof, comprising:
Each of the panel bodies includes a first overlapped portion provided on one side in the parallel direction, a second overlapped portion provided on the other side in the parallel direction via a stepped portion, and a pipe provided on one side to hold the pipe. and a pipe receiving portion for
An engaging portion that engages with each other and a contact portion that contacts each other are provided on one surface side of the first overlapping portion and the other surface side of the second overlapping portion , respectively ,
The step portion protrudes toward one side of the panel body such that the second overlapping portion is arranged above the first overlapping portion, and
By pressing the other side of the second overlapped portion of another panel body against one side of the first overlapped portion of one of the panel bodies, the engaging portions are engaged with each other. and the contact portions are in contact with each other, the end surface of the first overlapping portion is in contact with the stepped portion, and the other surface side of the joint portion is flush with each other,
One of the engaging portions of the first overlapping portion includes a pair of standing pieces spaced apart in the parallel direction on one surface of the first overlapping portion. A locking piece is provided at the tip of one of the standing pieces farther from the one end,
One of the abutting portions included in the first overlapping portion is formed on a tip end surface of the other of the standing pieces,
The other engaging portion provided in the second overlapping portion includes a pair of engaging pieces that are inserted between and engage with the pair of standing pieces, and the end of the panel main body on the other side in the parallel direction is provided. A locking piece is provided at the tip of one of the engaging pieces that is closer to the part,
The other abutting portion included in the second overlapping portion is formed on the other surface of the second overlapping portion,
The engaging portions on one side and the other are configured so that the locking pieces are locked to engage with each other,
The engaging portions are engaged with each other by pressing the other surface side of the second overlapping portion provided on the other panel body against the one surface side of the first overlapping portion provided on one of the panel main bodies. Together with, a panel joining step of bringing the contact portions into contact with each other;
a pipe mounting step of fitting the pipe into the pipe receiving portion;
A method of connecting radiating panels, wherein the panel joining step and the pipe mounting step are performed simultaneously using a pressing member having an overlapping portion pressing portion for pressing the second overlapping portion and a pipe pressing portion for pressing the pipe.

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