JP2008180009A - Panel connecting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a panel connecting structure capable of surely connecting a panel to a connecting member. <P>SOLUTION: This panel connecting structure connects the mutual panels 10 having a fitting recessed strip 21 on a side end surface via the connecting member 30. The connecting member 30 forms an elastically deformable incision 34 on at least one side end of a connecting base part 31 fittable to the fitting recessed strip 21, and forms a fitting part 33 having an engaging claw part 35 engageable with an engaging step part 23 arranged in the fitting recessed strip 21 by outward projecting to an opening end part of this incision 34. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a connection structure for partitions and wall panels used in, for example, a refrigerator and a clean room.

  Generally, partitions and walls such as refrigerators and clean rooms have a structure in which a panel filled with a filler such as a foam heat insulating material is connected to a space surrounded by a face material and a frame material.

  As a connection structure between panels, there is known a panel connection structure in which a fitting groove is provided on a side end surface of a panel and a coupling member in which a sealing material is attached to the groove is fitted (for example, see Patent Document 1). ). According to this connection structure of panels, the convenience of having high air-tightness and being able to connect the panels after assembling the connection member and the sealing material is obtained.

Further, there is known a panel connection structure in which a fitting groove is provided on both side edges of the panel, and a connecting member in which a notch depression is provided on both sides of the fitting groove (for example, Patent Document 2). reference).
JP-A-11-350618 (Claims, FIG. 1) JP 2001-220879 A (Claims, FIGS. 1 and 2)

  However, in the former technique, that is, in the technique described in Japanese Patent Application Laid-Open No. 11-350618, there is a risk that the connecting member may be displaced from the fitting recess when the panels are connected to each other, and attention should be paid to the construction. There was a problem that had to be done. In the latter technique, that is, in the technique described in Japanese Patent Application Laid-Open No. 2001-220879, since the connection between the connecting member and the fitting groove is based on a frictional force, either the connecting member or the fitting groove is deformed. In such a case, the frictional force is reduced, the connection between the connecting member and the fitting recess is released, and the connection between the panels may be released.

  This invention is made in view of the said situation, and makes it a subject to provide the connection structure of the panel which ensured the connection of a panel and a connection member.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a panel connection structure for connecting panels having fitting recesses on the side end surfaces thereof via a connection member, wherein the connection member is At least one side end of the connecting base portion that can be fitted into the fitting recess is provided with a fitting portion that is elastically deformable in the thickness direction of the panel and has an engaging claw portion that protrudes outwardly, The fitting recess is provided with an engaging step portion engageable with the engaging claw portion. In this case, it is preferable to provide a frame member having a fitting groove on the side end of the panel, and to form the coupling member so as to be fitted to the fitting groove (Claim 5).

  By configuring in this way, the fitting portion of the connecting member is fitted into the fitting groove, and the engaging claw portion of the fitting portion is engaged with the engaging step portion in the fitting groove. They can be linked together.

  Moreover, in this invention, it is preferable that the fitting part of the said connection member has the notch recessed part opened toward an outward, and the engaging claw part which protrudes from the opening edge part of this notch recessed part. Item 2).

  By comprising in this way, a fitting part can be elastically deformed by providing a notch recessed part in the fitting part of a connection member.

  Moreover, in this invention, the fitting part of the said connection member has the convex part which bulges in the thickness direction of a panel, and the engaging claw part which protrudes in the site | part which opposes the thickness direction of the panel in this convex part. (Claim 3).

  By comprising in this way, the engagement nail | claw part provided in the convex part can be engaged with the engagement step part provided in the fitting recessed strip of the panel.

  Moreover, in this invention, it is preferable to form integrally the packing interposed between panels in the connection base part of the said connection member.

  By comprising in this way, while being able to connect panels with the connection member which formed packing integrally, the joint part between panels can be plugged up with packing.

  According to this invention, since it is configured as described above, the following excellent effects can be obtained.

  (1) According to the first aspect of the present invention, the fitting portion of the connecting member is fitted to the fitting groove, and the engaging claw portion of the fitting portion is engaged with the engaging step portion in the fitting groove. Since the panels can be engaged with each other, the connection between the panel and the connecting member can be ensured.

  (2) According to the invention described in claim 2, since the fitting portion can be elastically deformed by providing the cut recess in the fitting portion of the connecting member, in addition to the above (1), The connection between the panel and the connecting member can be easily performed.

  (3) According to invention of Claim 3, the convex part which bulges in the thickness direction of a panel in the fitting part of a connection member, and the engaging claw which protrudes in the site | part which opposes the thickness direction of the panel in a convex part By providing the portion, the engaging claw portion can be engaged with the engaging step portion provided in the fitting recess of the panel. Therefore, in addition to the above (1), the panel and the connecting member The connection can be easily and reliably performed.

  (4) According to the invention described in claim 4, since the packing interposed between the panels is integrally formed on the connection base of the connection member, the joint between the panels can be closed with the packing. In addition to the above (1) to (3), the connecting operation can be further facilitated, and the air-tightness of the connecting portion between the panels can be improved.

  (5) According to the invention described in claim 5, by providing a frame member having a fitting groove on the side end of the panel, and forming a connecting member on the fitting groove so that the fitting member can be fitted, Since deterioration of the strip can be prevented, in addition to the above (1) to (4), the connection between the panel and the connecting member can be further ensured.

  Hereinafter, the best mode of a panel connection structure according to the present invention will be described in detail with reference to the accompanying drawings. Here, the case where the connection structure of the panel which concerns on this invention is applied to the heat insulation panel which has a frame material is demonstrated.

<First Embodiment>
FIG. 1 is a cross-sectional view showing a use state of a first embodiment of a panel connection structure according to the present invention, FIG. 2 is an enlarged perspective view showing a connection member of the first embodiment, and FIG. 3 is a first embodiment. FIG. 4 is an exploded cross-sectional view showing a state before connection of the panels of the first embodiment.

  As shown in FIG. 1, the panel connection structure according to the present invention includes a pair of surface plates 11 and a pair of surface plates 11 and a frame member 20 mounted between the side portions of both surface plates 11. It connects via the connection member 30 fitted to the fitting recess 21 provided in 20, and the packing 40 is interposed between both panels 10. In FIG.

  As shown in FIG. 1, the panel 10 has a frame member 20 interposed between side portions of a pair of surface plates 11, and foamed polyurethane or the like is formed in a space formed by both the surface plates 11 and the frame member 20. The heat insulating material 12 is filled. In addition, the edge part of the surface board 11 is wound in the side end surface of the panel 10, and has covered a part of frame material 20. As shown in FIG.

  The frame member 20 is formed of a synthetic resin member such as vinyl chloride having heat resistance, for example. As shown in FIGS. 1 and 4, the frame member 20 has a fitting recess 21 that opens outward in the center of the panel, and a pair of front and back surfaces of the panel 10 with respect to the fitting recess 21. The hollow rectangular portion 22 is provided. In this case, the fitting groove 21 has an opening formed in an expanding taper shape, and an engagement claw portion 35 described later of the connecting member 30 can be engaged with the opposing wall on the bottom side of the fitting groove 21. An engaging step portion 23 is formed. The frame member 20 may be formed of an aluminum alloy extruded shape.

  As shown in FIGS. 1 to 3, the connecting member 30 includes a connecting base portion 31 that can be fitted into the fitting recess 21, and a narrow opening provided in a region that does not contact the panel 10 on the surface of the connecting base portion 31. The engagement groove 32 and a fitting portion 33 that is elastically deformable in the thickness direction of the panel 10 provided at at least one side end of the connection base portion 31, that is, the right end portion in FIGS. . In this case, the fitting portion 33 includes a cut recess 34 that opens outward, and an engagement claw portion 35 that protrudes outward from the open end of the cut recess 34. The connecting member 30 is formed of, for example, an extruded shape made of aluminum alloy, or an extruded shape made of resin such as vinyl chloride, ABS, or PP.

  The connecting member 30 formed as described above has the engaging claw portion 35 provided in the cut-out recess 34 and the fitting portion 33 of the connecting member 30 fitted into the fitting recess 21 of the frame member 20. The connection between the panel 10 and the connecting member 30 can be ensured by connecting to the engaging step portion 23 in the fitting recess 21 so as to be engageable. Therefore, it is possible to prevent the connecting member 30 from being displaced from or disengaged from the fitting recess 21 when the panels 10 are connected to each other.

  On the other hand, as shown in FIGS. 1 and 3, the packing 40 is provided with a surface portion 41 located on the same plane as the surface plate 11 when the panels are connected, and the inner surface side of the surface portion 41 so as to project at the tip. The joint leg portion 42 having the engagement portion 43 that can be engaged with the engagement groove 32 and the engagement portion 43 side position of both side surfaces of the joint leg portion 42 protrude to contact the frame member 20 when the panel 10 is connected. A fin portion 44 capable of projecting, and an auxiliary piece 45 that protrudes to the position of the surface portion 41 on both sides of the joint leg portion 42 and can contact the end portion of the surface plate 11 of the panel 10 when the panel 10 is connected. ing. The packing 40 is formed of a member having at least a surface portion 41, an engaging portion 43, a fin portion 44, and an auxiliary piece 45 having flexibility, for example, a thermoplastic elastomer.

  As shown in FIG. 3, the surface portion 41 is formed with a surface base 41a provided with a V-shaped strip on the inner surface side, and is thinner than the surface base portion 41a, and hangs down from the end of the surface base portion 41a toward the inner surface. And a hanging piece 41b. The fin portion 44 is formed in a narrow taper shape toward the tip.

  The packing 40 formed as described above can be attached to the joint portion of the panel 10 by engaging the engaging portion 43 of the packing 40 with the engaging groove 32 of the connecting member 30 when the panel 10 is connected. The joint portion can be closed while the surface portion 41 is located on the same plane as the surface of the surface plate 11 of the panel 10, that is, in a flush state. Moreover, the fin part 44 and the auxiliary piece 45 which protrude from the joint leg part 42 of the packing 40 contact the side end surface of the panel 10, and the airtightness between the panels 10 can be further ensured. In addition, since the surface part 41, the fin part 44, and the auxiliary | assistant piece 45 can be elastically deformed and the packing 40 can be deform | transformed according to the clearance gap between joint parts by forming the packing 40 softly, the panel 10 Air-tightness can be ensured.

  Next, a procedure for connecting the panels 10 will be described. First, as shown in FIG. 5A, the coupling member 30 is fitted to the coupling base 31 in a state in which the engagement portions 43 of the packing 40 are engaged with the engagement grooves 32 of the coupling member 30. The side having the portion 33 is inserted into the fitting recess 21 of one panel 10 so that the engaging claw portion 35 is located on the panel side inward from the engaging step portion 23 formed in the fitting recess 21. It is inserted and connected to the panel 10. Since the engaging claw portion 35 of the connecting member 30 is positioned on the panel side inward from the engaging step portion 23 of the frame member 20 in this way, the engaging claw portion 35 and the engaging step portion 23 are engaged. The connecting member 30 can be prevented from being displaced from or disengaged from the fitting recess 21. Next, as shown in FIG. 5 (b), the panels 10 to be connected are brought close to each other, and the fitting recess 21 provided on the frame member 20 and the half of the connection base 31 of the connection member 30 are fitted. The two panels 10 are connected together. In this connected state, as shown in FIG. 5C, the surface base portions 41a and the hanging pieces 41b at both ends of the surface portion 41 of the packing 40 are elastically deformed to come into contact, that is, in close contact with the side end surfaces of both panels 10, The portion 41 is flush with the panel surface (specifically, the panel surface or the back surface). At this time, the fin portion 44 and the auxiliary piece 45 are elastically deformed and come into close contact with the side end surface of the panel 10. Thereby, the airtightness of the joint part between both the panels 10 can be ensured.

  In addition, the connection procedure of the panel 10 is not restricted to the procedure demonstrated above, For example, it is also the procedure which attaches the packing 40 to the joint part of the panel 10 after connecting the panels 10 via the connection member 30 similarly to the said description. Good. In this case, after the packing 40 is mounted in the engagement groove 32 of the connecting member 30, the drooping piece 41b, the auxiliary piece 44, and the fin portion 45 of the packing 40 are pushed into the joint inward using a tool such as a screwdriver. The surface base 41a and the hanging piece 41b at both ends of the surface portion 41 of the packing 40 are brought into contact with or in close contact with the side end surfaces of both panels 10, and the surface portion 41 is flush with the panel surface (specifically, the panel surface or the back surface). In addition, the fin portion 44 and the auxiliary piece 45 can be brought into close contact with the side end surface of the panel 10 to ensure the airtightness of the joint portion between the panels 10.

Second Embodiment
FIG. 6 is a cross-sectional view showing a use state of the second embodiment of the panel connection structure according to the present invention, and FIG. 7 is an enlarged cross-sectional view showing the connection member in the second embodiment.

  In the second embodiment, in the panel connection structure, the cut recesses 34 are provided on both sides of the connection base 31A of the connection member 30A, and the engagement claw portions 35 that protrude outward from the open ends of the cut recesses 34 are provided. This is a case where a pair of fitting portions 33 is formed.

  By forming the connecting member 30A in this way, the engaging claw portions 35 of the connecting member 30A can be engaged with the engaging step portions 23 of the both frame members 20 in the connected state of the panels 10. And the connection member 30A can be reliably connected.

  Note that the connecting member 30A of the second embodiment is, for example, an extruded shape made of aluminum alloy, or an extruded shape made of resin such as vinyl chloride, ABS, or PP, similarly to the connecting member 30 of the first embodiment. It is formed by.

  In the second embodiment, the other parts are the same as those in the first embodiment, so the same parts are denoted by the same reference numerals and description thereof is omitted.

<Other embodiments>
In the said 1st and 2nd embodiment, while providing the notch recessed part 34 in the connection base parts 31 and 31A of the connection members 30 and 30A, the engaging claw part 35 which protrudes outward in the opening edge part of the notch recessed part 34 is provided. The case where the panel 10 is provided has been described. For example, as shown in FIGS. 8 to 10, at least one side end of the connection base portion 31 </ b> B of the connection member 30 </ b> B, that is, the right end portion in FIGS. You may make it form the fitting part 33B which has the convex part 36 which bulges in the vertical direction, and the engaging claw part 35B which protrudes in the site | part which opposes the thickness direction of the panel 10 in this convex part 36. FIG.

  By thus forming the fitting portion 33B of the connecting member 30B, the engaging claw portion 35B of the connecting member 30B can be engaged with the engaging step portion 22 provided in the fitting recess 21 of the panel 10. Thus, the panel 10 and the connecting member 30B can be easily and reliably connected.

  Moreover, in the said 1st and 2nd embodiment, although the case where the connection members 30 and 30A and the packing 40 were formed separately was demonstrated, it is not necessary to form separately, for example, as shown in FIG. In addition, the packing 40C interposed between the panels 10 may be integrally formed on the connection base 31C of the connection member 30C.

  In this case, the connecting member 30C is formed of, for example, a resin-made extruded shape such as vinyl chloride, ABS, or PP, and at least the surface portion 41, the engaging portion 43, the fin portion 44, and the auxiliary member of the packing 40C. The piece 45 is formed soft, and the connection base portion 31C and the joint leg portion 42 are formed hard.

  By forming in this way, the connecting portion between the panels 10 can be sealed with strength.

  In the other embodiments, the other parts are the same as those in the first embodiment, and therefore the same parts are denoted by the same reference numerals and description thereof is omitted.

  As described above, by integrally forming the connection base 31C and the packing 40C, it is not necessary to attach a packing to the connection member as in the first and second embodiments, thereby facilitating the connection work. In addition, the air-tightness of the connecting portion between the panels 10 can be improved.

It is sectional drawing which shows the use condition of 1st Embodiment of the connection structure of the panel which concerns on this invention. It is an expansion perspective view which shows the connection member in 1st Embodiment. It is an expansion perspective view which shows the joint material in 1st Embodiment. It is a disassembled sectional view which shows the state before the connection of the panel of 1st Embodiment of the connection structure of the panel which concerns on this invention. It is the schematic which shows the connection procedure of the panel of 1st Embodiment of the connection structure of the panel which concerns on this invention. It is sectional drawing which shows the use condition of 2nd Embodiment of the connection structure of the panel which concerns on this invention. It is an expanded sectional view which shows the connection member in 2nd Embodiment. It is an expanded sectional view which shows another form of the connection member in this invention. It is an expanded sectional view which shows another form of the connection member in this invention. It is an expanded sectional view which shows another form of the connection member in this invention. It is an expanded sectional view which shows the connection member which integrally formed the packing in other embodiment of the connection structure of the panel which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Panel 20 Frame material 21 Fitting recess 23 Engagement step part 30,30A Connection member 31,31A Connection base part 33 Fitting part 34 Notch recessed part 35 Engagement claw part 40, 40C Packing

Claims (5)

It is the connection structure of the panel which connects the panels which comprise a fitting recess on a side end face via a connection member,
The connecting member has an engaging claw that is elastically deformable in the thickness direction of the panel and protrudes outward at at least one side end of a connecting base portion that can be fitted into the fitting recess. Provide a fitting part,
The connection structure of the panel, wherein the fitting recess is provided with an engaging step portion engageable with the engaging claw portion. In the connection structure of the panel of Claim 1,
The fitting structure of the said connection member has the notch recessed part opened toward an outward, and the engaging claw part which protrudes from the opening edge part of this notch recessed part, The connection structure of the panel characterized by the above-mentioned. In the connection structure of the panel of Claim 1,
The fitting portion of the connecting member has a protruding portion that bulges in the thickness direction of the panel, and an engaging claw portion that protrudes from a portion of the protruding portion that faces the thickness direction of the panel. Panel connection structure. In the panel connection structure according to any one of claims 1 to 3,
A panel connection structure, wherein a packing interposed between panels is integrally formed on a connection base portion of the connection member. In the panel connection structure according to any one of claims 1 to 4,
A panel connection structure, wherein a frame member having a fitting groove is provided at a side end of the panel, and the connecting member is formed to be fitted to the fitting groove.

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