JPH0646243U - Panel duct joint profile - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a panel duct joint profile capable of simplifying assembly work. [Structure] A holding piece 6 having a U-shaped cross section for holding the end portion of the panel 2 is made of hard vinyl chloride. Contact pieces 10 made of soft vinyl chloride that are pressed against the surface of the panel 2 are integrally formed inside both ends of the holding piece 6. This allows
The panel 2 can be connected simply by inserting the end portion of the panel 2 into the sandwiching piece 6, and the contact piece 10 can be brought into close contact with the surface of the panel 2 to exert a sealing function. Caulking is not required and the assembly work can be simplified.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a panel duct joint section for connecting panels to form a duct.

[0002]

[Prior art]

 In general, a panel duct 1 as shown in FIG. 8 is known as a duct. This panel duct 1 forms a sandwich structure panel 2 in which a heat insulating material 4 made of, for example, foamed polyurethane is filled between a pair of aluminum alloy surface plates 5 and 5, and this panel 2 is connected via a joint shape member 15. It is composed of squares. In this case, a flange 16 formed by bending the ends of the surface plates 5 and 5 inward is formed at the end of the panel 2, and a convex plate that engages with the flange 16 at the end of one panel 2b. 17 is attached.

The joint profile 15 arranged at the corner of the panel duct 1 is formed of, for example, a vinyl chloride member in a U-shaped cross section, and one side surface of the joint profile 15 is a recess into which the convex plate 17 is fitted. 18 is formed. Further, an engagement receiving portion 19 with which the flange 16 of the other panel 2a is tightly engaged is formed at the opening edge portion of the other side surface of the joint shape member 15, and after engaging these, The panel duct 1 is assembled by connecting the convex plate 17 and the concave portion 18 with screws 20. After assembling, caulking 21 is provided so that the gas in the panel duct 1 does not leak out through the gap between the convex plate 17 and the concave portion 18.

[0004]

[Problems to be solved by the device]

 However, in the conventional joint shape member used for assembling the panel duct as described above, since screws and caulks are required, there are problems that the number of constituent members increases and the assembling work becomes complicated. there were.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a panel duct joint profile that can simplify the assembly work.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the panel duct joint profile of the present invention is a joint profile for connecting panels to form a duct, and is made of a hard synthetic resin member that clamps the ends of the panel. It is characterized in that it comprises a sandwiching piece having a U-shaped cross section, and contact pieces made of a soft synthetic resin member that are integrally formed inside both ends of this sandwiching piece and are pressed against the surface of the panel. .

In this invention, the sandwiching piece and the contact piece are integrally formed of a hard synthetic resin member and a soft synthetic resin member, for example, hard vinyl chloride and soft vinyl chloride are integrated. It can be formed of a profile. Further, the sandwiching pieces may be parallel to each other, but it is preferable that the tip end side is formed so as to be inclined inward, since the sandwiching force can be increased and the adhesion of the contact piece to the surface of the panel can be improved.

In addition, if a heat insulating hollow portion is formed at the base of the sandwiching piece, when the panel duct is used as an air conditioning duct, it is insulated by the heat insulating hollow portion to prevent dew condensation on the surface of the joint profile. preferable.

[0009]

[Action]

 According to the duct panel joint profile configured as described above, a holding piece having a U-shaped cross section made of a hard synthetic resin member for holding the end portion of the panel, and the inside of both end portions of the holding piece are integrated. Since the contact piece is formed and is made of a soft synthetic resin member that is pressed against the surface of the panel, the panel can be connected simply by inserting the end portion of the panel into the sandwiching piece, and the contact piece is attached to the surface of the panel. It can be closely attached to and exert a sealing function. Therefore, the screws and caulking, which are indispensable in the conventional joint profile, are unnecessary, and the number of constituent members can be reduced and the assembling work can be simplified.

Further, by tilting the tip opening side of the sandwiching piece inward, the sealability with the panel can be further improved.

Further, by forming a heat insulating hollow portion in the base portion of the sandwiching piece, it is possible to prevent dew condensation due to, for example, the cold air heat transmitted through the inner surface plate of the panel and the temperature difference outside the duct.

[0012]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. First Embodiment In FIG. 1, 1 is a panel duct used for air conditioning, etc. This panel duct 1 is a panel 2 forming four sides of the duct and a joint profile 3 connecting these adjacent panels 2 to each other. It is mainly composed of and. In this case, the panel duct 1 is provided with a corner joint profile 3a for connecting the ends of adjacent panels 2 in the corner of the panel duct 1, and an end of the panel 2 adjacent in the longitudinal direction of the panel duct 1. A longitudinal joint profile 3b for connecting the parts is used. As the panel 2, there is used a sandwich panel in which a heat insulating material 4 made of, for example, foamed polyurethane is filled between a pair of aluminum alloy surface plates 5.

As shown in FIGS. 2 and 3, the corner joint shape member 3a is made of hard vinyl chloride that sandwiches the ends of the horizontal panel 2a and the vertical panel 2b which are adjacent to each other at a right angle. Two sandwiching pieces 6 (6A, 6B) having a U-shaped cross section are integrally formed at right angles. In this case, each of the sandwiching pieces 6A and 6B is composed of a bottom plate portion 6a which is a base portion and a pair of sandwiching piece portions 6b and 6c which are erected from both sides of the bottom plate portion 6a. The lengths from the joints 7 joined to each other are almost the same, but since the bottom plate portion 6a on the side of the horizontal holding piece 6A is arranged substantially in the center of the bottom plate portion 6a of the vertical holding piece 6B, the horizontal holding piece The end of the panel 2 can be inserted deeper on the 6A side than on the vertical holding piece 6B side. In addition, the base portions of both outer sandwiching pieces 6c and 6c are extended to form outer side plate portions 8a and 8b at the corners. These outer side plate portions 8a and 8b and both bottom plate portions 6a and 6a form a heat insulating hollow portion. 9 are sectioned.

A contact piece 10 made of soft vinyl chloride, which is brought into pressure contact with the surface of the panel 2, is integrally formed by bending in the insertion direction of the panel 2 inside the ends of the holding piece portions 6b and 6c of each holding piece 6. ing. The contact piece 10 is extruded simultaneously with the sandwiching piece 6. Further, both clamping pieces 6b, 6c are formed so that the tip opening side is inclined inward at a predetermined angle θ in order to increase the clamping force with respect to the panel 2 and the contact force of the contact piece. Further, a recess 12 is formed at least on the outer surface of the outer clamping piece 6c so that the rivet 11 can be easily hit.

On the other hand, as shown in FIG. 4 and FIG. 5, the longitudinal joint profile 3b has two U-shaped cross-sections made of hard vinyl chloride that respectively sandwich the ends of the panels 2 adjacent in the longitudinal direction. The pinching pieces 6 (6C, 6D) are integrally formed back to back. In this case, the bottom plate portion 6a of both the sandwiching pieces 6C and 6D is common, and the contact piece 10 made of soft vinyl chloride that is pressed against the surface of the panel 2 is provided inside the ends of the opposing sandwiching piece portions 6b and 6c. Are integrally formed by bending in the insertion direction of the panel 2. Also, the longitudinal joint formation 3b is formed in the same manner as the corner joint profile 3a, with the tip opening sides of both clamping pieces 6b, 6c inclined toward the inside, and the clamping pieces 6b, 6c are formed. A concave portion 12 is formed on the outer surface so that the rivet 11 can be easily hit.

With the above configuration, the panel duct 1 connects the panels 2 in the longitudinal direction by the longitudinal joint shape members 3b, and connects the panels 2 in the rectangular shape by the corner joint shape members 3a. It can be easily assembled. Then, in order to complete the connection between the joint profile 3 and the panel 2, the rivet 11 may be driven into the recess 12 of the sandwiching piece. As the rivet 11 in this case, a blind rivet whose tip 11a of the rivet expands inside the face plate 5 can be used.

As described above, according to the joint shape member 3, the holding piece 6 having a U-shaped cross section and made of hard vinyl chloride for holding the end portion of the panel 2 and one inside the both end portions of the holding piece 6. With the contact piece 10 formed of a body and made of soft vinyl chloride that is pressed against the surface of the panel, the panel 2 can be connected by simply inserting the end portion of the panel 2 into the holding piece 6, and the contact piece 10 It adheres to the surface of the panel 2 and exerts a sealing function. Therefore, the panel duct 1 can be easily assembled without requiring screws and caulking, which are indispensable in the conventional joint shape members, and the assembling work can be simplified.

Further, in the joint profile 3, since both the holding piece portions 6b and 6c of the holding piece 6 are formed so as to be inclined inward, an increase in the holding force with respect to the panel 2 and the panel 2 of the contact piece 10 are formed. It is possible to improve the adhesion to the surface of the. Further, in the corner joint member 3a, since the heat insulating hollow portion 9 is formed at the base of the sandwiching piece 6, when the panel duct 1 is used as an air conditioning duct, the cold air heat flowing in the duct is prevented. It is possible to prevent dew condensation on the surface of the joint profile by insulating the heat transferred to the outside through the inner surface plate of the panel 2 by the heat insulating hollow portion 9.

As shown in FIG. 1, the panel duct 1 configured as described above is a holding metal fitting such as an angle member supported by a suspension bolt 32 suspended by an anchor 31 on a ceiling slab 30, for example. 33 is provided on the lower surface side of the ceiling.

Second Embodiment FIG. 6 shows an embodiment in which the panel duct 1 is formed by using the ceiling panel 13. The ceiling panel 13 is formed of the same member as the panel 2, and the lower surface of the ceiling panel 13 is connected to the upper end of a vertical panel 2b via a joint profile 3c for ceiling. As shown in FIG. 7, the ceiling joint shape member 3c is constituted by a holding piece 6 having a U-shaped cross section and made of hard vinyl chloride for holding the upper end portion of the vertical panel 2b, and the bottom plate portion 6a which is the base portion. A contact piece 10 made of soft vinyl chloride, which is pressed against the surface of the panel 2, is bent and formed integrally with the inside of the ends of the sandwiching pieces 6b and 6c standing from both sides. Further, similarly to the corner joint profile 3a, the ceiling joint profile 3c is formed such that the tip opening sides of both clamping pieces 6b, 6c are inclined toward the inside, and the inner surface of the bottom plate 6a and the clamping plate 3a. A recess 12 is formed on the outer surface of each of the pieces 6b and 6c so that the rivet 11 can be easily set.

In the above embodiment, the heat insulating hollow portion 9 is provided only in the corner joint section 3a, but it may be provided in the longitudinal joint section 3b or the ceiling joint section 3c. Good.

[0022]

[Effect of device]

 As explained above, according to the panel duct joint profile of the present invention, since it is configured as described above, the following effects can be obtained.

1) According to the duct panel joint profile according to claim 1, a sandwiching piece having a U-shaped cross section made of a hard synthetic resin member for sandwiching an end portion of the panel and both end portions of this sandwiching piece. Since it is integrally formed on the inside and has a contact piece made of a soft synthetic resin member that is pressed against the surface of the panel, the panel can be connected and the contact can be made simply by inserting the end part of the panel into the sandwiching piece. The piece can be brought into close contact with the surface of the panel to exert a sealing function, eliminating the need for screws and caulking, which were indispensable in conventional joint profiles, and simplifying the assembly work.

2) According to the duct panel joint profile according to claim 2, since the tip opening side of the sandwiching piece is inclined toward the inner side, the panel and the joint profile can be brought into close contact with each other and joined, and It is possible to improve the sealing property.

3) According to the duct panel joint profile according to claim 3, since the hollow portion for heat insulation is formed in the base portion of the sandwiching piece, the heat insulation performance can be further improved and the occurrence of dew condensation or the like can be prevented. be able to.

[Brief description of drawings]

FIG. 1 is a perspective view of a panel duct showing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of the panel duct of FIG.

FIG. 3 is an enlarged cross-sectional view of the corner joint profile shown in FIG.

FIG. 4 is an enlarged vertical sectional view of the panel duct of FIG.

5 is an enlarged sectional view of the longitudinal joint profile shown in FIG.

FIG. 6 is a cross-sectional view of a panel duct formed on a ceiling panel.

7 is an enlarged cross-sectional view of the joint profile for the ceiling panel shown in FIG.

FIG. 8 is a cross-sectional view showing an example of a conventional panel duct.

[Explanation of symbols]

 1 Panel duct 2 Panel 3 Joint profile 6 Clamping piece 10 Contact piece

Claims (3)

[Scope of utility model registration request] 1. A joint shape member for connecting a panel to form a duct, wherein a holding piece having a U-shaped cross section and made of a hard synthetic resin member for holding an end portion of the panel, and both ends of the holding piece. A panel duct joint profile, comprising a contact piece made of a soft synthetic resin member that is integrally formed inside the portion and is pressed against the surface of the panel. 2. The panel duct joint profile according to claim 1, wherein the tip opening side of the sandwiching piece is formed so as to be inclined inward. 3. The panel duct joint profile according to claim 1 or 2, wherein a hollow portion for heat insulation is formed at the base of the sandwiching piece.