JP2018003374A - Heat insulation-type structure of building, and coupling device used with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coupling device for using a foam resin heat insulation panel as a permanent mold that suppresses decline in strength of the heat insulation panel and enhance strength of the heat insulation panel to support ready mixed concrete.SOLUTION: A coupling device 12 comprises a joint member 13 inserted into a heat insulation panel 1 from an inward-facing surface 1a, a stopper 14 for retaining the joint member 13 so as not to fall off, and a separator 15 for connecting the joint members 13 in front and rear. Annular grooves 18, 22 are formed on an edge part and the other edge part of the joint member 13. An interval between the heat insulation panels 1 in front and rear is retained as the stopper 14 and the separator 15 are engaged with the annular grooves 18, 22. Decline in strength of the heat insulation panel 1 may be suppressed significantly, because only a lateral-direction hole 16 is formed on the inward-facing surface 1a of the heat insulation panel 1. Furthermore, the heat insulation panel 1 is supported on a wide surface area by the plate-form stopper 14. Thus, the heat insulation panel 1 demonstrates high resistance against pressure from ready-mixed concrete.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a structure such as a vertical foundation or a wall in which a concrete layer is sandwiched between heat insulating panels from the front and back in a building such as a house, and a connecting device used therefor. More specifically, as the structure, the vertical foundation of a wooden house or prefabricated house, the wall of a basement or semi-basement, the wall of a low-rise reinforced concrete building such as one-story or two-story, etc. are suitable targets. Yes.

  In wooden houses and prefabricated houses, a concrete vertical foundation is constructed on the ground, and then the upper part of the building is constructed on the vertical foundation. Formwork is indispensable for the construction of a vertical concrete layer such as a vertical foundation. Generally, plywood or steel plate is often used as this formwork. While maintaining the interval, hold it in an upright position with pipe material, etc., place reinforcing bars and anchoring anchor bolts in the space formed by the inner and outer molds, then cast concrete and mold it after the concrete has hardened The frame is removed.

  Thus, in general concrete foundation work, since the assembly work of the formwork and the work of dismantling are a set, there is a problem that a lot of work is required for the construction. Therefore, paying attention to the fact that foamed resin heat insulation panels are used for heat insulation in buildings, use of the heat insulation panel as a discarded formwork (residual formwork) greatly reduces the labor of construction. Has been proposed.

  When the heat insulation panel is also used as a formwork, a connection device (separator) that holds a pair of heat insulation panels arranged in parallel in a standing posture is required, and various proposals have been made regarding this connection device. . As an example, in Patent Document 1, the thermal insulation panels are often stacked up and down, and the upper and lower thermal insulation panels need to be held so as not to shift in the front-rear direction (thickness direction). There is disclosed a connecting device that can connect a heat insulating panel (maintain a gap) and connect heat insulating panels stacked one above the other.

  That is, the connecting device of Patent Document 1 is made of a bar material, with the opposing direction of the heat insulation panel being the front-rear direction, the front-rear longitudinal part that crosses the concrete layer, and the left-right longitudinal part integrally provided at both ends of the front-rear longitudinal And as a form having upper and lower longitudinal portions integrally provided at the left and right ends of the left and right longitudinal portions, the left and right longitudinal portions are arranged in the overlapping portion of the thermal insulation panels that overlap each other. It is configured to fit into the heat insulation panel. Therefore, in Patent Document 1, the upper and lower surfaces of the heat insulating panel are formed with holes into which the upper and lower longitudinal portions of the connector are fitted and grooves into which the left and right longitudinal portions of the connector are fitted. ing.

  On the other hand, in Patent Document 2, an inward convex portion is provided in an upper and lower middle portion of a foamed resin thermal insulation panel, and an upwardly opening slit is formed in the convex portion, and a separator formed in an H shape in a plan view. A structure in which the end portion is fitted from above is disclosed.

JP 09-310493 A JP 09-296549 A

  Now, when a heat-insulated panel made of foamed resin such as polystyrene foam is used for a throwaway mold, there are some demands on the connecting device. For example, the strength of foamed resin is inferior to that of plywood or steel plate. Therefore, it is necessary to devise the shape of the connecting device so that the heat insulating panel is not damaged by the pressure during concrete placement. Further, since the outer surface of the heat insulating panel is often coated with mortar, it is required that the connecting device is not exposed to the outside so as not to disturb the mortar.

  Therefore, looking at Patent Document 1, since the connecting device of Patent Document 1 is not exposed to the outside of the heat insulation panel, it does not hinder the application of mortar, but the whole is made of a round bar, Therefore, there is a concern that the heat insulation panel may not withstand the pressure at the time of placing the concrete and may be damaged.

  On the other hand, in Patent Document 2, the separator is not exposed to the outer surface, so it does not hinder the coating of the mortar. However, since the concrete layer can be recessed by providing the protrusion, the strength of the concrete layer is reduced. is there. In addition, since the pressure when casting concrete must be supported by the end of the separator, it is difficult to say that the strong pressure acting on the heat insulation panel can be sufficiently supported when casting concrete. There was also a possibility that the supporting strength of the panel was not sufficient.

  The present invention was made in order to improve such a present situation, and the technology for using a heat-insulated panel made of foamed resin as a throwaway mold was made with the object of improving the strength and workability of the heat-insulating panel. Is.

  The present invention comprises a pair of foamed resin thermal insulation panels arranged opposite to each other across a concrete placement space, and a number of coupling devices that connect the opposed thermal insulation panels inseparably, The basic configuration is that the thermal insulation panel becomes a discarded formwork for placing a concrete layer.

  The connecting device connects a joint member inserted from the concrete placement space side into the heat insulating panel, a stopper that engages with the joint member inside the heat insulating panel, and a joint member provided on the opposing heat insulating panel. And a separator that holds both heat insulation panels inseparable from each other, and the joint member has one end portion that enters the inside of the heat insulation panel and the other end portion exposed from an inward surface facing the concrete placement space. On the other hand, the stopper is inserted into the heat insulating panel from above and below.

  And the 1st engaging part which engages mutually when a stopper is inserted from an up-down direction, and hold | maintains a joint member so that it cannot detach | leave from an inward surface is formed in the one end part and stopper of the said joint member, A second engaging portion is formed on the other end portion of the separator and the both end portions of the separator so as to engage with each other when the separator is moved downward to hold the separator and the joint member inseparably.

  The invention of claim 2 is a development example of claim 1, and in this invention, the joint member and the separator are rod-shaped or cylindrical, and the stopper is plate-shaped. A first annular groove is formed as an engaging portion, and a slit groove that fits into the first annular groove is formed as the first engaging portion in the stopper, and the other end portion of the joint member In addition, a second annular groove is formed as the second engaging portion, and a slit groove that fits into the second annular groove is formed as the second engaging portion at both ends of the separator.

  The invention of claim 3 is a development example of claim 1 or 2, and in this invention, the stopper is inserted across both of the heat insulating panels that are vertically overlapped.

  The connecting device is specified in claim 4. That is, this connecting device connects the foamed resin heat insulation panels arranged opposite to each other across the concrete placement space so that they cannot be separated from each other, and the foamed resin heat insulation panel is disposed in a discarded mold frame for concrete layer placement. And has the same configuration as that of claim 1.

  In the coupling device of the present invention, neither the joint member nor the stopper is exposed to the outside of the heat insulating panel, and therefore, when applying mortar or the like to the outer surface of the heat insulating panel, it does not interfere with the application of mortar. Moreover, since the dimension which exposes a joint member to the concrete placement space side is few, a concrete layer is not partially thinned excessively, and the strength reduction of a concrete layer does not arise.

  In addition, since the hole into which the joint member fits is only open to the inward surface of the heat insulation panel, the strength of the heat insulation panel is hardly reduced due to the provision of the joint member. Since an arbitrary number of members can be arranged in both the height direction and the lateral direction of the foamed resin heat insulating panel, the support strength of the heat insulating panel by the stopper when placing concrete can be remarkably increased.

  Thereby, it can prevent that a heat insulation panel fractures | ruptures at the time of concrete placement, and can ensure high construction quality. Particularly, when the joint member is formed in a rod shape and the stopper is formed in a plate shape as in claim 2, the support area of the foamed resin thermal insulation panel by the stopper is made as small as possible while the hole into which the joint member is inserted is made as small as possible. Therefore, the concrete layer can be constructed with high accuracy by firmly supporting the pressure when placing the concrete.

  Moreover, in Claim 2, since a separator is rod-shaped, an air layer does not remain in the lower surface part of a joint member at the time of concrete placement. Therefore, it is possible to reliably prevent the formation of nests in the concrete layer. Even when the separator is formed in a plate shape with the wide surface in a vertical posture, it is possible to prevent the formation of nests in the concrete layer as in the case of the rod shape.

  In the case of a structure in which multiple layers of heat insulation panels are stacked, when the height of the structure is higher than a certain level, concrete placement is divided into several times to prevent damage to the heat insulation panel. In the present invention (particularly in claim 2), since the support strength of the heat insulation panel can be remarkably improved, it is possible to reduce the number of times of placing concrete, thereby shortening the construction period of the structure. .

  When the structure of claim 3 is adopted, the upper and lower heat insulation panels can be connected using a stopper. Therefore, when the heat insulation panels are stacked, the heat insulation panels stacked on top and bottom can be reinforced and joined together. Can contribute to improvement and improvement of construction accuracy.

  In the third aspect, the stopper that holds the joint member so as not to be detached is used for the connection of the upper and lower heat insulation panels. However, the connection of the upper and lower heat insulation panels can be carried by a member other than the stopper. In this case, since the stopper does not need to protrude from the upper and lower surfaces of the heat insulating panel, the joint member and the group of stoppers can be set in the heat insulating panel in advance at the factory and carried into the site. Work on site can be done quickly.

  In this invention, the heat insulation panel adjacent to right and left can also be connected so that separation | separation is impossible by engaging the connection member common to the joint member of the heat insulation panel adjacent to right and left. Moreover, in this invention, a stopper can also be inserted from the left-right side surface of a heat insulation panel.

It is a figure which shows 1st Embodiment, (A) is a general | schematic sectional drawing after construction, (B) is a separate perspective view. It is a perspective view which shows the state in the middle of construction. (A) is a separated side view showing a construction procedure, (B) is a side view in a connected state, (C) is a longitudinal side view in a connected state, and (D) is a cross-sectional view taken along DD in (A). FIG. 4E is a cross-sectional view taken along line EE in FIG. (A) is a figure which shows 2nd Embodiment, (B) is a figure which shows 3rd Embodiment. (A) is a figure which shows 4th Embodiment, (B) is a figure which shows 5th Embodiment. (A) is a diagram showing a sixth embodiment, (B) is a view taken along the line BB of (A), (C) is a diagram showing a seventh embodiment, (D) is a diagram showing an eighth embodiment, (E) is a diagram showing a ninth embodiment. (A) is a separated perspective view showing the tenth embodiment, (B) is a separated perspective view showing the eleventh embodiment, (C) is a separated front view showing the twelfth embodiment, (D) and D of (C). It is -D view sectional drawing.

(1). Outline Next, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the structure has a pair of heat-insulating panels 1 made of foamed resin arranged opposite to each other across the concrete placement space 2. The layer 3 is cast to form a multi-layer structure in which the concrete layer 3 is sandwiched between the front and back surfaces by the heat insulating panel 1. A group of vertical bars 4 and a group of horizontal bars 5 are embedded in the concrete layer 3. Although the heat insulation panel 1 has two wide surfaces, the surface which faced the concrete placement space 2 is called an inward surface, and the code | symbol 1a is attached | subjected. The surface on the opposite side of the concrete layer 3 is an outward surface, but it is not necessary to mention it and is not labeled.

  In the embodiment, the heat insulating panel 1 also overlaps in the vertical direction. Therefore, the heat insulating layers on both sides of the concrete layer 3 are composed of a plurality of heat insulating panels 1. In addition, the magnitude | size of the heat insulation panel 1 of 1 sheet is not constant, and in many cases changes with uses. The left-right width is about 1.2 m, 2 m, or 1.8 m, but the height varies from 250 mm, 300 mm, 500 mm, 600 mm, 1000 mm, and the like. Sometimes cut on site.

  In the present invention, words in the front-rear direction and the left-right direction are used to specify the direction, but as clearly shown in FIGS. 1 and 2, the front-rear direction is defined as the direction in which the pair of heat insulating panels 1 face each other. , Defined as the horizontal direction orthogonal to the front-rear direction.

  As described above, in the present invention, a multi-stage heat insulation panel 1 is used. On the upper surface of the heat insulation panel 1 except the uppermost one, as shown in FIGS. A center rib 6 positioned and a large number of transverse ribs 7 intersecting with the center rib 6 are formed. In many cases, upward protrusions are formed at the intersections of the ribs 6 and 7, but they are omitted in the figure.

  A center groove 8 and a number of lateral grooves 9 are formed on the lower surface of the heat insulation panel 1 excluding the lowermost heat insulation panel as shown in FIG. 6 and 7 and the grooves 8 and 9 are fitted to each other, and the upper and lower heat insulating panels 1 are positioned so as not to be displaced in the front-rear direction and the left-right direction. The upper surface of the uppermost heat insulation panel 1 and the lower surface of the lowermost heat insulation panel 1 are flat.

  A dovetail groove 10 is formed on one side surface of each heat insulating panel 1 over the entire height, and an ant tenon 11 is formed on the other side surface over the entire height. For this reason, the heat insulation panel 1 adjacent on the right and left is positioned so that it may not shift | deviate in the front-back direction in the state which comprised the same surface by the dovetail groove | channel 10 and the dovetail tenon 11 fitting. In addition, on both front and back surfaces of each heat insulating panel 1, a plurality of shallow narrow slits may be formed on the left and right sides in order to enhance the bondability with cement.

(2). Connecting Device As clearly shown in FIGS. 1 and 2, the opposing heat insulating panels 1 are held at a constant interval by a number of connecting devices 12. The coupling device 12 includes a round shaft-like joint member 13 inserted into the heat insulating panel 1 from the inward surface 1a, a plate-like stopper 14 inserted into the heat insulating panel 1 from above or from below, and joint members facing each other. And a round shaft-shaped separator 15 that connects the three.

  In the inward surface 1a of the heat insulation panel 1, a large number of lateral holes 16 into which the joint members 13 are inserted are formed at predetermined intervals on the left and right in two steps. In addition, on the upper and lower surfaces of the heat insulating panel 1, a number of slit-like vertical slots 17 for inserting the stoppers 14 from the vertical direction are formed at predetermined intervals on the left and right sides, corresponding to the upper and lower horizontal holes 16. Yes.

  The horizontal hole 16 communicates with the left and right intermediate portions of the vertical groove hole 17, and the inner portion of the horizontal hole 16 is located slightly outside the vertical groove hole 17. The longitudinal slot 17 is located between the lateral ribs 7 adjacent to each other on the left and right. However, the longitudinal slot 17 may be formed across the lateral rib 7 or may be formed at the center rib 6. It is. The horizontal hole 16 and the vertical groove 17 can be formed when the heat insulating panel 1 is molded, or either one or both can be formed by post-processing. In the case of post-processing, it can be easily formed by using a heated processing tool (hot wire or hot rod) regardless of whether it is a horizontal hole 16 or a vertical slot 17.

  The joint member 13 is made of resin or metal (for example, made of wire), and enters the inside of the heat insulating panel 1 and is exposed to the longitudinal groove hole 17 as a part of the first engagement portion. 18 is formed. For this reason, the location of the first annular groove 18 of the joint member 13 is a neck portion 19 having a small diameter. The groove width of the first annular groove 18 is set to be the same as or slightly larger than the plate thickness of the stopper 14.

  The stopper 14 is made of a resin or a metal plate (for example, a steel plate), and a first slit 20 that enters the first annular groove 18 of the joint member 13 is formed as a part of the first engaging portion at the left and right intermediate portions thereof. It is formed in an open state in the vertical direction. The groove width of the first annular groove 18 is the same as or slightly larger than the neck 19 of the joint member 13, and is smaller than the outer diameter of the joint member 13.

  As described above, when the first slit groove 20 into which the stopper 14 is inserted engages (fits) the first annular groove 18 of the joint member 13, the joint member 13 is held by the stopper 14 so as not to be detached. . The horizontal width and height of the stopper 14 can be arbitrarily set. The greater the area of the stopper 14, the higher the support strength for the heat insulating panel 1, but sufficient strength can be secured without excessively increasing the area.

  As clearly shown in FIG. 3D, the first annular groove 18 of the stopper 14 is formed with a constricted portion (undercut) 21 having a slightly smaller interval than the neck portion 19 of the joint member 13. Consideration is given so that the stopper 14 does not come off easily. For this reason, even when the joint member 13 and the stopper 14 are set in a factory, the joint member 13 and the stopper 14 are not detached during transportation.

  The other end portion of the joint member 13 is exposed from the inward surface 1a, and a second annular groove 22 is formed in the exposed end portion as part of the second engaging portion. The second annular groove 22 has the same dimensions as the first annular groove 18, and therefore the joint member 13 has no directionality.

  At both front and rear end portions of the separator 15, pocket-like portions 23 that hold the other end portion of the joint member 13 are formed as part of the second engaging portion. The pocket-shaped portion 23 has an inverted U shape that is opened downward with a size that is slightly larger than the outer diameter of the joint member 13, and is formed on the outer plate 23 a that overlaps the heat insulating panel 1, and on the neck portion 19 of the joint member 13. The fitted second slit groove 24 is formed in a state opened downward. As a result, the joint member 13 and the separator 15 are held so as not to be separated from each other in the axial direction, and the interval between the heat insulating panels 1 facing each other is kept constant.

  As shown in FIG. 3 (E), a constricted portion 25 having a space slightly smaller than the outer diameter of the joint member 13 is formed inside the pocket-shaped portion 23, whereby the separator 15 is connected to the joint member 13. It is held so that it cannot be easily removed from. Therefore, the separator 15 does not come off even when a vibrator for stirring is hit when placing concrete. The pocket-shaped portion 23 is formed with a through hole 26 for easily punching the constricted portion 25 when manufactured by injection molding. However, the constricted portion 25 can be formed by so-called forcible punching. It is.

  Although the joint member 13 and the separator 15 are circular in cross section, either or both of them can be formed in a polygonal shape such as a hexagonal shape or an octagonal shape or an elliptical shape. Alternatively, it can be formed in a pipe shape.

(3). Construction procedure The construction procedure of the structure using the coupling device 12 of the present invention is basically the same as the conventional one.
a: As shown in FIG. 1A, a pair of ground rails (lower holding frames) 27 on which the lowermost thermal panel 1 is fitted are fixed to the ground.
b: A group of vertical bars 4 is erected, and then one of the lowermost front and rear thermal insulation panels 1 is set on the ground rail 27.
c: The horizontal stripe 5 corresponding to the height of the lowermost heat insulating panel 1 is fixed to the vertical stripe 4.
d: The other heat insulating panel 1 of the lowermost heat insulating panels 1 is set on the ground rail 27, and the joint members 13 of the heat insulating panels 1 facing each other are connected by a group of separators 15.
e: One heat insulation panel 1 at the height of the second stage is set, and then the horizontal bars 5 located at the height of the second stage heat insulation panel 1 are arranged and fixed to the vertical bars 4.
f: Set the other heat insulating panel 1 at the height of the second stage, and connect the joint member 13 of the heat insulating panel 1 opposite to the second stage with the separator 15;
Repeat the work.

  When the number of stages of the heat insulating panel 1 is large, for example, after stacking about two or three stages, the first concrete placement is performed, and the stacking of the heat insulating panel 1 is continued after the concrete is solidified. Concrete placement may be performed multiple times.

  In the present embodiment, since the inwardly facing surface 1a of the heat insulating panel 1 is only provided with the horizontal holes 16, the strength of the heat insulating panel 1 is hardly reduced due to the provision of the joint member 13. In addition to this, a large number of joint members 13 can be arranged in the left-right direction at a vertical halfway height position. Moreover, since the heat insulating panel 1 is supported from the outside in a large area by a large number of stoppers 14, the heat insulating panel 1 is made of concrete. Demonstrates high resistance to the pressure of ready-mixed concrete.

  For this reason, for example, it was possible to change the place where the concrete was conventionally placed every two steps to every three steps or every four steps, and this shortened the construction period of the structure. It is also possible to do. Moreover, since the space | interval of the front and back heat insulation panel 1 is firmly hold | maintained with many connection apparatuses 12, the swelling of the heat insulation panel 1 is also prevented and a high dimensional accuracy is realizable.

  Further, since the separator 15 is only fitted into the other end portion of the joint member 13 from above, the connecting operation is also easy. Furthermore, since the separator 15 has a round bar shape, the ready-mixed concrete wraps around the entire circumference of the separator 15 when the concrete is placed, so that no nest is generated in the concrete layer 3.

  Furthermore, in the embodiment, since a very small gap can be provided between the pocket-shaped portion 23 and the heat insulating panel 1 or the heat insulating panel 1 can be slightly recessed by the pocket-shaped portion 23, the separator 15 is provided. It can be slightly inclined with respect to the normal of the heat insulation panel 1. Thereby, even if the mutually opposing heat insulation panel 1 has shifted | deviated somewhat to the left-right direction, it can mutually connect. This is also one of the advantages of this embodiment. If the joint member 13 is made of resin, the resin has a low thermal conductivity, so that there is an advantage that the heat insulation can be further improved.

(4). Second and Third Embodiments Next, other embodiments shown in FIG. In 2nd Embodiment shown to FIG. 4 (A), the stopper 14 is set so that it may straddle over the heat insulation panel 1 adjacent up and down. Also in FIG. 2, the same state is indicated by a one-dot chain line.

  In this embodiment, since the heat insulating panels 1 adjacent to each other in the vertical direction can be connected to each other so as not to be displaced forward and backward, the upper and lower heat insulating panels 1 are in a mutually reinforcing relationship, and the entire group of the heat insulating panels 1 is placed during concrete placement. Support strength can be improved.

  It is also possible to insert the upper and lower connecting plates into the margin part by setting the stopper 14 to enter the longitudinal slot 17 and setting the margin part in the longitudinal hole 17 with the stopper 14 inserted. is there. For example, when the depth of the vertical hole 17 is 100 mm, the height of the stopper 14 is set to about 60 mm, thereby forming a blank portion of about 40 mm on the inlet side of the vertical groove 17 and the upper and lower heat insulating panels 1. The connecting plate having a height of 80 mm is fitted half by half into the blank space (the dimensions can be determined arbitrarily). In this case, the joint member 13 and the stopper 14 are set in advance at the factory, and the upper and lower heat insulation panels 1 can be connected to improve the overall strength of the group of heat insulation panels 1. While improving, the intensity | strength as the whole group of the heat insulation panel 1 can be improved.

  In the third embodiment shown in FIG. 4B, one stopper 14 is engaged with two joint members 13. In the case where the height of the heat insulation panel 1 is a large dimension such as 600 mm to 1000 mm, for example, by engaging the multi-stage joint member 13 with one stopper 14 in this way, the heat insulation panel 1 has a height of three or more stages. Since the joint member 13 can be arrange | positioned in this position, even if the height (upper / lower width) of the heat insulation panel 1 becomes large, the pressure at the time of concrete placement can be supported firmly.

  For example, when the joint member 13 is arranged at four heights of the upper stage, the upper middle stage, the lower middle stage, and the lower stage on the heat insulating panel 1, the upper and lower joint members 13 and the upper middle stage and the lower middle joint member 13 are left and right. The joint members 13 are alternately arranged in the directions, and each joint member 13 is held by the upper and lower stoppers 14 so that the joint members 13 cannot be removed. It is also possible to arrange them at three or more levels.

(5). Fourth to ninth embodiments In the fourth embodiment shown in FIG. 5A, an auxiliary connecting plate 30 for connecting the upper and lower heat insulating panels 1 is arranged between the adjacent stoppers 14. Yes. Needless to say, a slot (slit) into which the auxiliary connecting plate 30 is fitted is formed on the upper and lower surfaces of the heat insulating panel 1. In FIG. 5A, the stoppers 14 and the auxiliary connecting plates 30 are alternately arranged. However, the auxiliary connecting plates 30 can be arranged so as to jump two or three with respect to the stopper 14. is there.

  In the fifth embodiment shown in FIG. 5 (B), end plates 31 are provided at both front and rear ends of the separator 15 so as to overlap the inward surface 1a of the heat insulating panel 1 adjacent to the left and right. A second slit 32 that engages with the joint member 13 provided at the ends of the left and right heat insulation panels 1 is formed as a joint. Therefore, in this embodiment, the connection of the front and rear heat insulation panels 1 and the connection of the left and right heat insulation panels 1 are realized by one connection device 12. In addition, when providing the end plate 31, it is preferable to set so that the bridge plate 31 may contact | adhere with respect to the inward surface 1a of the heat insulation panel 1. FIG.

  The interval between the left and right second slit grooves 32 is set to be the same as the arrangement interval of the joint members 13 in the heat insulating panel 1. For this reason, the connection of the front and back heat insulation panels 1 can be realized by one type of connection device 12. Of course, it can be used together with the rod-shaped separator 15 of the first embodiment. Furthermore, it is also possible to connect the left and right heat insulation panels 1 with a plate member made only of the end plate 31 that does not include the separator 15.

  The sixth embodiment shown in FIGS. 5A and 5B is basically the same as the fifth embodiment, and a plurality of separators 15 are connected to the front and rear end plates 31. It is also possible to open a window hole 33 in the end plate 31 as shown by a one-dot chain line. When the window hole 33 is opened in this manner, the contact area between the heat insulating panel 1 and the concrete layer 3 is increased, so that the bonding strength between the concrete layer 3 and the heat insulating panel 1 is increased.

  In the sixth embodiment, the lower end portion of the second slit groove 32 is formed in a downwardly expanding taper shape so as to facilitate fitting into the joint member 13. It is preferable to apply such a form also to the fifth embodiment. When the end plate 31 is provided and engaged with the joint member 13 as in the fifth and sixth embodiments, the end plate 31 is overlapped on the inward surface 1a of the heat insulating panel 1 and slid downward, thereby moving the front and rear ends. Since the plate 31 can be engaged with the joint members 13 of the front and rear heat insulation panels 1, there is an advantage that the separator 15 can be quickly attached (positioning is easy). Moreover, since it does not fall to the bottom even if it removes a hand, it is especially useful when the heat insulation panel 1 is piled up high.

  In the seventh embodiment shown in FIG. 6C, reinforcing ribs 14a facing outward (opposite to the inward surface 1a) are formed on the left and right ends of the stopper 14, and the second embodiment shown in FIG. In the eighth embodiment, reinforcing ribs 14b facing inward are formed at the left and right ends of the stopper 14, and in the ninth embodiment shown in FIG. 6 (E), inward reinforcing ribs are formed at the left and right ends of the stopper 14. 14b and outward reinforcing ribs 14a are formed, In these embodiments, the rigidity of the stopper 14 is increased, so that the connection strength with the joint member 13 can be improved.

(6). Tenth to Twelfth Embodiment In the tenth embodiment shown in FIG. 7A, the joint member 13 is formed in a plate shape having left and right wide surfaces, and one end portion of the joint member 13 and a stopper. 14, first slits 34 and 35 that mesh with each other are formed as first engaging portions. Also, the other end portion of the joint member 13 is integrally provided with a superposed plate 36 that overlaps the inward surface 1a of the heat insulating panel 1, and left and right dovetail portions 37 are formed on the superposed plate 36 as part of the second engaging portion. Forming.

  On the other hand, the separator 15 is formed in a plate shape having left and right wide surfaces, and an end plate 31 that fits in the dovetail portion 37 of the joint member 13 is integrally formed as a part of the second engaging portion at both front and rear ends thereof. doing. Accordingly, the joint member 13 is H-shaped in plan view. Although not shown, a receiving piece for supporting the end body 31 of the separator 15 is formed at the lower end of the dovetail portion 37 of the joint member 13. A large window hole 39 is formed in the separator 15.

  In the tenth embodiment, the front and rear heat insulation panels 1 are firmly connected by an H-shaped separator 15. The lower end portion of the end plate 31 of the separator 15 is formed in a tapered shape that narrows downward. For this reason, connection with the joint member 13 can be performed easily.

  In the eleventh embodiment shown in FIG. 7B, the joint member 13 is formed in a plate shape and is held so as not to be detached from the heat insulating panel 1 by the same means as in the tenth embodiment. An upward hook-like portion 40 exposed from the inward surface 1a of the heat insulating panel 1 is formed as a part of the second engaging portion.

  On the other hand, the separator 15 is formed in a round bar shape, and slits (engagement holes) 41 with upper and lower openings that fit into the upward protrusions 40a of the joint member 13 are formed at both ends thereof as part of the second engagement portion. Forming.

  In the twelfth embodiment shown in FIGS. 7C and 7D, the joint member 13 is formed in a plate shape as in the eleventh embodiment, and is a hook-like shape exposed to the concrete placing space 2 at the other end. A portion 40 is formed. However, the distance between the upward projecting portion 40a of the bowl-shaped portion 40 and the inward surface 1a of the heat insulating panel 1 is small, and the end plate 31 provided in the separator 15 is fitted into the gap between the two. . The end plate 31 is formed with a second slit groove 42 that meshes with the flange 40 as a part of the second engagement portion.

  This embodiment is basically the same as the embodiment shown in FIGS. 5B and 6A, and the front and back heat insulation panels 1 can be firmly connected. Although two separators 15 are connected to the front and rear end plates 31, the number of separators 15 may be one or three or more. Each joint member 13 may be held by one stopper 14 so as not to be detached, or the two right and left joint members 13 may be held so as not to be detached by one stopper 14. In this case, the stopper 14 has the same form as the end plate 31.

  While the embodiments of the present invention have been described above, the present invention can be embodied in various ways. It is also possible to mix an antifungal agent into the heat insulation panel, and in this case, thiamethoxam is preferable as having both safety and effect.

  The present invention can be embodied in connection of heat insulating panels. Therefore, it can be used industrially.

DESCRIPTION OF SYMBOLS 1 Thermal insulation panel 2 Concrete placement space 3 Concrete layer 4,5 Reinforcement 12 Connecting device 13 Joint member 14 Stopper 15 Separator 16 Lateral hole 17 Longitudinal groove 18 First annular groove 20 as part of the first engaging portion 20 First Cut groove 22 as part of engagement part 22 Second annular groove as part of second engagement part 23 Pocket-like part 24 as part of second engagement part 24 Second cut groove constituting second engagement part

Claims (4)

A pair of heat insulating panels made of foam resin arranged opposite to each other across a concrete placement space, and a number of connecting devices that connect the heat insulating panels facing each other inseparably; It is a configuration that becomes a discarded formwork for layer placement,
The connecting device connects a joint member inserted from the concrete placement space side into the heat insulating panel, a stopper that engages with the joint member inside the heat insulating panel, and a joint member provided on the opposing heat insulating panel. It consists of a separator that holds both heat insulation panels inseparable,
One end of the joint member enters the inside of the heat insulation panel, and the other end is exposed from an inward surface facing the concrete placement space, while the stopper is inserted into the heat insulation panel from above and below. And
A first engaging portion is formed between the one end portion of the joint member and the stopper so as to be engaged with each other when the stopper is inserted from above and below so that the joint member cannot be removed from the inward surface. A second engagement portion is formed on the end portion and both end portions of the separator to engage each other when the separator is moved downward, and hold the separator and the joint member inseparably.
Thermal insulation structure of a building. The joint member and the separator are rod-shaped or cylindrical, and the stopper is plate-shaped, and a first annular groove is formed at one end of the joint member as the first engagement portion, and the stopper includes the first annular groove. A slit groove that fits into the first annular groove is formed as one engaging portion,
A second annular groove is formed as the second engaging portion at the other end of the joint member, and a slit is formed at both ends of the separator as the second engaging portion into the second annular groove. A groove is formed,
A heat insulating structure for a building according to claim 1. The stopper is inserted across both of the heat insulation panels that overlap vertically,
A heat insulating structure for a building according to claim 1 or 2. A connecting device for connecting foam insulating resin panels arranged facing each other across a concrete placing space inseparably, and forming the heat insulating panel as a discarded mold for placing a concrete layer,
A joint member inserted from the concrete placement space side into the heat insulation panel, a stopper that engages with the joint member inside the heat insulation panel, and a joint member provided on the heat insulation panel facing each other are connected to both heat insulation panels. Consists of a separator that keeps the
One end of the joint member enters the inside of the heat insulation panel, and the other end is exposed from an inward surface facing the concrete placement space, while the stopper is inserted into the heat insulation panel from above and below. And
A first engaging portion is formed between the one end portion of the joint member and the stopper so as to be engaged with each other when the stopper is inserted from above and below so that the joint member cannot be removed from the inward surface. A second engagement portion is formed on the end portion and both end portions of the separator to engage each other when the separator is moved downward, and hold the separator and the joint member inseparably.
Connecting device for insulation panels made of foam resin.

Images