Opening / closing device, method for assembling the opening / closing device, and assembly jig.

Abstract

To provide an opening / closing device which includes an opening / closing body in which a plurality of panel bodies is mutually connected in a rotatable manner with hinges, and which can improve designability of the surface on which the hinges of the opening / closing body are provided.SOLUTION: An opening / closing device 1 includes an opening / closing body in which a plurality of panel bodies 11 is mutually connected in a rotatable manner with hinges 12, 13. In the opening / closing device, at a connection portion of the adjacent panel bodies 11 with the hinges 12, 13, blades of the hinges 12, 13 are arranged between the adjacent panel bodies 11.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an opening / closing device including an opening / closing body in which a plurality of panel bodies are rotatably connected to each other by hinges, a method for assembling the same, and an assembly jig.

Background Art

[0002] As one form of an opening / closing device for opening and closing an opening, there is an opening / closing device in which an opening / closing body slides in the vertical direction to open and close the opening, such as represented by a shutter. As one form of such an opening / closing body that slides in the vertical direction, there is an opening / closing device called an overhead door or an oversliding door, which includes an opening / closing body in which a plurality of panel bodies are rotatably connected to each other by hinges, and a technique related to such an opening / closing device is disclosed in Patent Document 1.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The connection of each panel body by hinges is usually performed on the rear surface (indoor side) of the panel body. That is, the hinges are provided on the rear surface (indoor side) of the panel body. This is usually because a guide member (guide rail) for guiding the opening and closing of the opening / closing body is curved toward the indoor side on its upper side, and this is for making the joint portion of the panel body bendable toward the indoor side along this. Conventionally, the design property of the rear surface side (indoor side) of the opening / closing body has not been regarded as important as compared with the front surface side (outdoor side), but there has been a growing demand for improving the design property of the rear surface side (indoor side) of the opening / closing body. The hinges provided on the rear surface side of the opening / closing body are an issue in improving the design property of the rear surface side.

[0005] In view of the above, the present invention aims to provide an opening and closing device that includes an opening and closing body in which a plurality of panel bodies are connected to each other so as to be rotatable by hinges, and which can improve the aesthetic appearance of the side of the opening and closing body on which the hinges are provided. [Means for solving the problem]

[0006] (Composition 1) An opening and closing device comprising an opening and closing body comprising a plurality of panel bodies connected to each other so as to be rotatable by a rotating member, wherein at least a part of the rotating member is positioned between adjacent panel bodies at the connection portion of the adjacent panel bodies by the rotating member.

[0007] (Configuration 2) The opening and closing device according to configuration 1, wherein the rotating member is a hinge, and a bottom hinge joint is formed on the bottom surface of the upper panel body and an upper hinge joint is formed on the top surface of the lower panel body of the adjacent panel bodies.

[0008] (Composition 3) The opening and closing device according to configuration 2, wherein at least a panel-side engaging portion or a panel-side engaged portion is temporarily formed on the upper surface of the panel body, and at least a hinge-side engaged portion or a hinge-side engaging portion is temporarily formed on the hinge, which non-permanently engages with the panel-side engaging portion or the panel-side engaged portion.

[0009] (Composition 4) An opening and closing device according to configuration 2 or 3, wherein a hinge insertion hole for inserting the hinge blades is formed on the rear surface of the panel body, and the panel body and the hinge are connected on the inside of the panel body.

[0010] (Composition 5) A method for assembling an opening and closing device according to any of configurations 1 to 4, comprising the steps of: turning the upper panel of adjacent panel bodies upside down and aligning the bottom surface of the upper panel body with the top surface of the lower panel body of the adjacent panel bodies; joining the top surface of the lower panel body and the bottom surface of the upper panel body with the rotating member; raising the upper panel body and positioning the upper panel body on top of the lower panel body; and repeating each of the above steps to form the opening and closing body.

[0011] (Composition 6) The method for assembling the opening and closing device according to configuration 5, wherein the opening and closing device comprises a guide member that guides the vertical movement of the opening and closing body, and a plurality of guided members that are movably engaged with the guide member and provided on both sides in the width direction of the opening and closing body, and further comprises the step of attaching the guided members engaged with the guide member to the upper panel body.

[0012] (Composition 7) The assembly method for an opening and closing device according to configuration 5 or 6, wherein in the alignment step, the lower panel body is suspended from the lower panel body so that the bottom surface of the upper panel body is aligned with the top surface of the lower panel body.

[0013] (Composition 8) An assembly jig used in the assembly method of the opening and closing device described in Configuration 7, comprising: a holding portion for holding the upper panel body; and an engagement alignment portion for engaging with the lower panel body and aligning the bottom surface of the upper panel body with the top surface of the lower panel body. [Effects of the Invention]

[0014] (Composition 9) The assembly jig according to configuration 8, wherein the holding portion includes a winding member that has a length adjustment function and is wrapped around the upper panel body to hold it.

[0015] According to the opening and closing device of the present invention, in an opening and closing device including an opening and closing body in which a plurality of panel bodies are rotatably connected to each other by hinges, it is possible to improve the design property of the surface on the side where the hinges of the opening and closing body are provided.

Brief Description of the Drawings

[0016] [Figure 1] Perspective view showing the outline of the opening and closing device of the embodiment according to the present invention [Figure 2] View showing a part of the panel body of Embodiment 1 [Figure 3] View for explaining the assembling method of the opening and closing body of Embodiment 1 [Figure 4] View showing the assembling jig used for the assembling method of the opening and closing body of Embodiment 2 [Figure 5] View for explaining the assembling method of the opening and closing body of Embodiment 2 [Figure 6] View for explaining the assembling method of the opening and closing body of Embodiment 2 [Figure 7] View showing another example of the panel body [Figure 8] View showing the joint part of the panel body of Embodiment 3 [Figure 9] View for explaining the assembling method of the opening and closing body of Embodiment 3 [Figure 10] View showing an example of a member for screwing

Modes for Carrying Out the Invention

[0017] Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. Note that the following embodiments are one form when embodying the present invention, and do not limit the present invention within its scope. <e

[0018] <Embodiment 1> FIG. 1 is a view showing the opening and closing device of Embodiment 1 according to the present invention, and is a perspective view seen from the indoor side. The opening and closing device 1 is an opening and closing device that opens and closes an opening formed in a wall surface separating, for example, the indoor and outdoor areas. More specifically, it is an opening and closing device called an overhead door, an over sliding door, or the like. As shown in Figure 1, the opening / closing device 1 is An opening / closing body is constructed in which multiple panel bodies 11 are connected to each other so as to be rotatable by hinges 12 and 13 which are rotating members, A guide rail 15 is a guide member that guides the vertical movement of the opening and closing body, It comprises a plurality of rollers 14, which are guided members, that are movably engaged with the guide rail 15 and provided on both sides in the width direction of the opening and closing body. With the above configuration, the opening / closing body can move along the guide rail 15 between the closed state shown in Figure 1 and the open state in which the opening / closing body is in a nearly horizontal position at the top. The hinges, which are rotating members that connect each panel, consist of a hinge 12 used in the middle of the panel in the width direction and hinges 13 used at both ends. In this embodiment, the roller 14 is held by the hinge 13. The hinge shaft of the hinge 13 is made up of a shaft cylinder, and the shaft of the roller 14 is inserted through this shaft cylinder and held in place. Note that the term "rotating member" also includes hinges and hinges. The opening / closing device 1 also includes a drive device and its mechanism for driving the opening and closing of the opening / closing body, a control device for controlling the opening and closing operation, etc. (not shown in particular), but since the configuration of these is not directly related to the present invention, further explanation is omitted here.

[0019] Figure 2 is a diagram showing the joining of the panel body 11 in this embodiment (for simplicity, it is a vertical cross-sectional view showing two adjacent panel bodies (the upper panel body 11A and the lower panel body 11B) that make up the opening and closing body). Panel body 11 is A front member 111 whose front surface is formed in a flat shape, A rear surface member 112 whose rear surface is formed in a flat shape, Reinforcement members 113 are arranged in multiple locations within the panel body 11, extending in the width direction of the panel body 11 and positioned vertically. It comprises a front member 111, a rear member 112, and a pop nut PN, which is a fastening member that integrally fastens the hinge 12 or hinge 13. In this embodiment, the top and bottom surfaces of the panel body 11 are formed to have a rabbet joint structure with each other. Furthermore, on both the top and bottom surfaces, there is a portion where the front member 111 and the rear member 112 overlap, and in this overlapping portion, insertion holes for inserting pop nuts PN are formed in each. The panel body 11 is constructed by arranging the members so that the reinforcing members 113 are bonded to the front member 111 and the rear member 112, and then inserting the pop nuts PN into the aforementioned insertion holes and crimping the pop nuts PN. The pop nut PN also functions as a screw hole into which a screw is threaded to fasten hinge 12 or hinge 13. That is, one wing of hinges 12 and 13 is fastened to the bottom surface of the lower panel body 11B, and the other wing of hinges 12 and 13 is fastened to the top surface of the upper panel body 11A, so that "a bottom hinge joint is formed on the bottom surface of the upper panel body of adjacent panel bodies, and a top hinge joint is formed on the top surface of the lower panel body." With this configuration, as shown in Figure 2, at the connection point between adjacent panel bodies (upper panel body 11A and lower panel body 11B) by hinges 12 and 13, the blades of hinges 12 and 13 are positioned between the adjacent panel bodies.

[0020] Figure 3 illustrates the assembly method of the opening and closing mechanism in this embodiment. The basic assembly of the opening / closing mechanism is carried out according to the following procedure. Note that the guide rails 15, etc., are assumed to be already installed. 1. The lowest panel is placed in the opening, and a roller (guided member) 14, which is engaged with a guide rail (guide member) 15, is attached to the lowest panel. 2. The panel to be installed above the lowest panel is connected to it with a hinge (at this time, the roller 14 that engages with the guide rail 15 is also attached). 3. Repeat the process described in step 2 above until the top panel is connected. This completes the assembly of the opening and closing mechanism, which is mounted to be movable along the guide rails. The basic procedure described above is the same as in the conventional method, but in the assembly method of the opening and closing body of this embodiment, the specific work in step 2 differs from the conventional method.

[0021] In the assembly method of the opening and closing body of this embodiment, the process of connecting the panel bodies with hinges (connecting the upper panel body 11A to the lower panel body 11B (an existing panel body) of adjacent panel bodies and installing them) is performed in the following procedure. 2-1. Turn the upper panel 11A upside down and align the bottom surface of the upper panel 11A with the top surface of the lower panel 11B. 2-2. The top surface of the lower panel body 11B and the bottom surface of the upper panel body 11A are joined together by hinges 12 and 13. 2-3. Raise the upper panel 11A and place it on top of the lower panel 11B.

[0022] Step 2-1 involves holding the upper panel 11A upside down, as shown in Figure 3(a), so that the bottom hinge joint of the bottom surface of the upper panel 11A is adjacent to the top hinge joint of the top surface of the lower panel 11B. This holding is done by "suspending the upper panel from the lower panel, thereby aligning the bottom surface of the upper panel with the top surface of the lower panel." In this embodiment, the upper panel body 11A is held (suspended from the lower panel body) by non-fixed engagement of the hinge-side engaged portion formed on the hinge with the panel-side engaged portion formed on the upper surface of the lower panel body. More specifically, the upper panel body 11A is held in place by engaging a screw 11B-1 (panel-side engaging part) formed in one of the wings of the hinge 12, which is fastened to the upper panel body 11A, with the screw 11B-1 (panel-side engaging part) driven into the hinge joint on the upper surface of the lower panel body. In other words, the hinge 12 is attached to the upper panel body 11A in advance, and the hole 12-1 of the hinge 12 is hooked onto the screw 11B-1 which is provided on the lower panel body 11B so as to protrude slightly. Multiple screws 11B-1 may be provided, or only one may be provided near the approximate center in the width direction of the panel body. The hole 12-1 formed in one of the wings of the hinge 12 includes a screw head insertion portion 12-11 and a screw shaft locking portion 12-12. The screw head insertion portion 12-11 is sized to allow the screw head of screw 11B-1 to be inserted, and the screw shaft locking portion 12-12 is sized to be slightly larger than the diameter of the shaft of screw 11B-1. The screw shaft locking portion 12-12 is the part that accommodates the screw shaft of screw 11B-1 when it is hooked onto the screw 11B-1, and by the screw shaft of screw 11B-1 fitting into the screw shaft locking portion 12-12, it also has the function of aligning the hinge 12 with respect to the bottom hinge joint on the lower surface of the panel body (aligning the screw hole of the screw S that fastens the hinge). On the other wing of the hinge 12, a hole 12-2 is formed at a position that faces the screw 11B-1 when the hinge is closed. This is a relief hole to prevent interference with the screw 11B-1 when the hinge is closed. Note that screw 11B-1 may be removed after the hinges 12 and 13 have been installed (temporarily forming an engagement portion on the panel side) (in this case, hole 12-2 is not particularly necessary). Also, although the example given here is one in which an engagement portion (projection, etc.) is formed on the panel body side and a engaged portion (recess, etc. that engages with the projection) is formed on the hinge side, it may also be the case that an engagement portion (projection, etc.) is formed on the hinge side and a engaged portion (recess, etc. that engages with the projection) is formed on the panel body side. According to the concept described above, the upper panel body 11A is held and aligned for connection by the hinge, which is highly preferable. However, it is also acceptable to simply hold the upper panel body 11A in the appropriate position manually without using the above-described holding and positioning means.

[0023] In step 2-2, the upper panel body 11A is joined to the lower panel body 11B using hinges 12 and 13. As described above, the hinge 12 is already fastened to the upper panel 11A, and its basic positioning is also achieved by holding the upper panel 11A in place by hooking it onto the lower panel 11B (the positions of the pop nut PN and the screw holes of the hinge 12 are roughly aligned). Therefore, all that is needed is to screw the screw S through the screw holes of the hinge 12's wings into the pop nut PN. In this embodiment, the hinge 13 also serves as a member for holding the roller 14. Therefore, during the installation of the hinge 13, the shaft of the roller 14, which is engaged with the guide rail 15, is passed through the hinge shaft (shaft cylinder) of the hinge 13, and the hinge 13 is connected to the upper panel body 11A and the lower panel body 11B. Furthermore, as explained below, it is advisable to pre-connect the hinge 13, to which the roller 14 engaged with the guide rail 15 is attached, to the upper surface of the lower panel body 11B.

[0024] In step 2-3, the upper panel body 11A, connected by hinges 12 and 13, is rotated and raised to position it on top of the lower panel body 11B. Then, hinges 13, to which rollers 14 engaged with guide rails 15 are attached, are installed at both ends of the upper surface of the raised upper panel body 11A. This completes the "step of attaching the guided member engaged with the guide member to the upper panel body," and together with the procedure 2-2 described above, the upper panel body is attached to the guide rails at both the top and bottom. The installation of the hinge 13 in step 2-3 corresponds to "pre-connecting the hinge 13, to which the roller 14 engaged with the guide rail 15 is attached, to the upper surface of the lower panel body 11B" as described in step 2-2 above. In this embodiment, the hinge 13 also has the function of holding the roller, but of course, the roller may be held by a component other than the hinge.

[0025] As described above, with the opening / closing device 1 of this embodiment, the hinge blades and screws for fastening them can be kept hidden on the rear side of the opening / closing body (the side on which the hinge is provided), thereby improving the aesthetic appearance of the side of the opening / closing body on which the hinge is provided. Furthermore, according to the assembly method of the opening and closing device of this embodiment, the assembly work of the opening and closing device described above can be performed easily and efficiently.

[0026] <Embodiment 2> Figure 4 is a perspective view showing an assembly jig used in the assembly method of the opening / closing body of Embodiment 2. In this embodiment, the step 2-1 described in Embodiment 1, "aligning the bottom surface of the upper panel with the top surface of the lower panel by suspending the upper panel from the lower panel," is performed using the assembly jig 2 shown in Figure 4.

[0027] The assembly jig 2 comprises an upper fitting 21, a lower fitting 22, and a belt (wrapping member) 23 that is inserted through the upper fitting 21 and connected (fixed) to the lower fitting 22. From a functional standpoint, assembly jig 2 is, A retaining part that holds the upper panel body, It includes an engagement alignment part that engages with the lower panel body and aligns the bottom surface of the upper panel body with the top surface of the lower panel body.

[0028] The holding portion that holds the upper panel body consists of an upper fitting 21 having an engaging recess 211 that engages with the upper part of the upper panel body when it is upside down, a lower fitting 22 having an engaging recess 221 that engages with the lower part of the upper panel body when it is upside down, and a buckle that is a fastening member and a belt 23 that has a length adjustment function (tightening function). The engagement alignment portion is composed of an upper fitting 21 having an engagement recess 212 that engages with the upper part of the lower panel body (i.e., the upper surface side of the lower panel body) and an engagement recess 211 that engages with the upper part of the upper panel body when it is upside down (i.e., the bottom surface side of the upper panel body). The eyebolt 213 shown in Figure 4 is an engagement part for lifting the upper panel body to which the assembly jig 2 is attached. As explained above, the assembly of the opening and closing body involves stacking and connecting the panel bodies sequentially, so the work will be performed at increasingly higher positions (workers will use ladders or aerial work platforms as needed). The eyebolt 213 is a component that makes it easier to lift the upper panel body to which the assembly jig 2 is attached to the height at which the work will be performed.

[0029] Figures 5 and 6 illustrate the assembly method of the opening and closing body of this embodiment. Figure 5 is a perspective view showing the process of suspending the upper panel body 11A from the lower panel body 11B, and Figure 6 is a cross-sectional view showing the state in which the upper panel body 11A is suspended from the lower panel body 11B. In the process of "suspending the upper panel body relative to the lower panel body, thereby aligning the bottom surface of the upper panel body with the top surface of the lower panel body," the assembly jig 2 is first attached to the upper panel body 11A. To attach the assembly jig 2 to the upper panel body 11A, the band 23 with the buckle removed is wrapped around the upper panel body 11A, while the engaging recess 211 of the upper fitting 21 and the engaging recess 221 of the lower fitting 22 are fitted into the upper and lower parts of the inverted upper panel body, respectively. With the buckle of the band 23 fastened and the band 23 tightened, the assembly jig 2 is attached to the upper panel body 11A. Note that the assembly jig 2 may be used in multiples (Figure 5 shows an example using two), or it may be used in only one location approximately in the center of the panel's width direction. The mounting position of the assembly jig 2 should be in a location other than the hinge joint so as not to interfere with the hinge installation work.

[0030] Once the assembly jig 2 is attached to the upper panel body 11A, the upper panel body 11A is suspended from the lower panel body 11B by engaging the engaging recess 212 of the upper fitting 21 with the upper part of the lower panel body (i.e., the upper surface of the lower panel body) (resulting in the state shown in Figure 6). An adjustment member 2121 is provided inside the engagement recess 212 of the upper fitting 21, which has a height-direction positioning function as well as a cushioning (scratch prevention) function. Additionally, an adjustment member 2111 is provided inside the engagement recess 211, which has a height-direction positioning function as well as a cushioning (scratch prevention) function. As can be seen from Figure 6, the adjustment members 2111 and 2121 align the bottom surface (bottom hinge joint) of the upper panel body 11A and the top surface (top hinge joint) of the lower panel body 11B in the height direction. In addition, the upper panel body 11A and the lower panel body 11B are fitted into the engagement recesses 211 and 212, respectively, thereby positioning the upper panel body 11A (hinge joint) and the lower panel body 11B (hinge joint) in the thickness direction of the panels (left-right direction in Figure 6). Furthermore, it is advisable to appropriately provide a cushioning layer (for example, by attaching a resin sheet or rubber sheet) to the contact surfaces of the upper fitting 21 and lower fitting 22 with the panel body to prevent scratches.

[0031] After the above-described step of "suspending the upper panel body relative to the lower panel body, thereby aligning the bottom surface of the upper panel body with the top surface of the lower panel body," the assembly work, such as connecting the hinges, is the same as in Embodiment 1.

[0032] As described above, the assembly method of the opening and closing body of this embodiment improves work efficiency by using the assembly jig 2. The assembly jig 2 has a length adjustment function and is equipped with a belt 23, which is a wrapping member that is wrapped around the upper panel body to hold it in place, thereby fixing the panel body and providing excellent workability. Here, a belt is used as an example of a "wrapping member," but the present invention is not limited to this, and other items such as cable ties may also be used. Furthermore, even when using the assembly jig 2 of this embodiment, the configuration of "engagement between the hole 12-1 of the hinge 12 and the screw 11B-1 of the lower panel body 11B" described in Embodiment 1 may be used.

[0033] Furthermore, in applying the concepts described in Embodiments 1 and 2, the configuration (shape) of the panel itself can be arbitrary, as long as hinge joints for screwing hinges are formed on the top and bottom surfaces of the panel. Figure 7 shows examples (conceptual diagrams) of panel bodies with different configurations or shapes. The panel body 11-1 in Figure 7(a) is an example in which a rear member 112-1, which is bent towards the front at the top and bottom and has a shape in which a part of it follows the front member 111, is attached to the front member 111, and a reinforcing member 113-1 is positioned in the center in the vertical direction (bonded to the front member 111 and the rear member 112-1). The panel body 11-2 in Figure 7(b) is formed in a zigzag shape in cross-section, and a rear member 112-2, a part of which is bonded to the front member 111, is attached to the front member 111. The panel body 11-3 in Figure 7(c) is an example of a panel body composed of a front member 111 and a rear member 112, which has reinforcing members 113-2 that extend vertically inside and are installed in multiple lengths in the width direction of the panel body (the reinforcing members 113-2 are bonded to the front member 111 and the rear member 112). In both cases, the front and rear members are joined at the top and bottom surfaces of the panel body by pop nuts PN, and the screw holes in these pop nuts PN form a hinge joint for screwing in the hinge. Although Figure 7 shows an example having a front member 111 similar to the panel body 11 of the embodiment, the front member 111 may also have a different configuration and shape.

[0034] <Embodiment 3> Figure 8 shows the joining of the panel bodies of Embodiment 3 (for simplicity, it shows two adjacent panel bodies (the upper panel body 11-4A and the lower panel body 11-4B) among the panel bodies 11-4 that constitute the opening / closing body). Note that the configuration of the opening / closing device of Embodiment 3 is basically the same as the opening / closing device of Embodiment 1, except for the difference in the configuration of the hinge connection part which will be explained below, so the explanation is omitted here. The panel body 11-4 of this embodiment is The front member 111-1 has a flat front surface, with the upper and lower folded portions forming a portion of the rear surface, The rear member 112-3 has an upper and lower section that conforms to the shape of the folded upper and lower portions of the front member 111-1, and has a flat section that connects the upper and lower sections. Furthermore, in the panel body 11-4 of this embodiment, hinge insertion holes H1 and H2 for inserting the blades of the hinge 13-1 are formed in the upper and lower parts of the rear surface of the panel body, and the panel body and the hinge are connected on the inside of the panel body.

[0035] Figure 9 illustrates the assembly method of the opening and closing mechanism in this embodiment. Except for the hinge mounting method, the methods can be the same as those described in Embodiments 1 and 2; therefore, this explanation will focus mainly on the hinge mounting method. A hinge 13-1 (or hinge 12-1) is pre-attached to the upper side of the lower panel body 11-4B. This attachment is done by inserting one of the wings of the hinge 13-1 (or hinge 12-1) into the hinge insertion hole H1 and fastening it to the upper surface of the lower panel body 11-4B with a screw S. This integrally fastens the front member 111-1, the rear member 112-3, and the hinge 13-1 (or hinge 12-1). Furthermore, the screw S is fastened by screwing it into the screw hole (female thread) cut into the blade of hinge 13-1 (or hinge 12-1).

[0036] When suspending the upper panel body 11-4A adjacent to the lower panel body 11-4B to which hinge 13-1 (or hinge 12-1) is attached, the other wing of each hinge 13-1 (or hinge 12-1) is inserted into the hinge insertion hole H2. This results in the state shown in Figure 9, and in this state, the other wing of each hinge 13-1 (or hinge 12-1) is fastened to the bottom surface of the upper panel body 11-4A with screws S, thereby joining the two panels using hinges 13-1 (or hinge 12-1). Similar to procedure 2-3 described in Embodiment 1, raise the upper panel body 11-4A and place it on top of the lower panel body 11B, and attach the hinge 13-1 (or hinge 12-1) to the upper side of the upper panel body 11-4A (at this time, also attach the roller (guided member) 14 that is engaged with the guide rail (guide member) 15). This attachment corresponds to the above statement, "Hinge 13-1 (or hinge 12-1) is attached to the upper side of the lower panel body 11-4B in advance."

[0037] As described above, with the opening and closing device of this embodiment, similar to Embodiment 1, the hinge blades and screws for fastening them can be concealed on the rear side of the opening and closing body (the side on which the hinge is provided), thereby improving the aesthetic appearance of the side of the opening and closing body on which the hinge is provided. Furthermore, while the concept of the hinge wings being positioned between adjacent panel bodies is the same as in Embodiment 1, in this embodiment, the hinge wings are configured to be located inside the panel body. Therefore, compared to Embodiment 1, where the hinge wings are sandwiched between the bottom surface of the upper panel body and the top surface of the lower panel body, it is possible to reduce the gap between the bottom surface of the upper panel body and the top surface of the lower panel body. This makes it possible to reduce the gap between the panel bodies when viewed from the rear, thereby improving the aesthetic appeal.

[0038] In this embodiment, the hinge 13-1 (or hinge 12-1) is attached to the lower panel body 11-4B first, but it is also possible to attach the hinge 13-1 (or hinge 12-1) to the upper panel body 11-4A first.

[0039] In this embodiment, we have used as an example a hinge 13-1 (or hinge 12-1) in which a screw thread is cut into the screw hole of the hinge wing. However, as shown in the hinge 13-2 illustrated in Figure 10(a), the screw hole may be provided in the hinge by fixing (welding, etc.) a nut N to the hinge wing. It is certainly acceptable to hold the nut N in the desired position by hand as needed and screw it into the screw S, rather than fixing the nut N to the hinge, but this can be a difficult task if there is no space to insert your hand or fingers. In such cases, as shown in Figure 10(b), by using a component in which a nut N is fixed (welded, etc.) to a plate or the like, it becomes possible to insert the component and position the nut N in the desired location even when there is no space to insert a hand or fingers. The shape of the plate and the placement and number of nuts N can be determined as appropriate according to each mounting component on which nuts N are to be used (any shape, placement, and number can be used). Naturally, holes for inserting screws are formed in the positions where the nuts N are fixed to the plate. Even in the locations where pop nuts PN are used in the above embodiment, it is possible to use nuts N instead of pop nuts PN by using a component as shown in Figure 10(b) (nuts can be used when pop nuts are not strong enough). [Explanation of symbols]

[0040] 1...Opening and closing device 11... Panel 11B-1...Screw (panel-side engagement part) H1, H2... Hinge insertion holes 12, 13... Hinge 12-1...Hole (Hinge-side engaging portion) 14... Roller (guided member) 15... Guide rail (guide component) 2... Assembly jigs 21...Upper fitting (engagement position alignment part) 211...Engaging recess (holding part) 212...Engagement recess 22...Lower fitting 221...Engaging recess (holding part) 23... Belt (holding part, winding part)

Claims

1. An opening and closing device comprising an opening and closing body comprising multiple panel bodies connected to each other by hinges so as to be rotatable, In the connection portion of adjacent panel bodies by the hinge, at least a part of the hinge is positioned between the adjacent panel bodies. An opening and closing device in which a hinge insertion hole for inserting the hinge blades is formed on the rear surface of the panel body, and the panel body and the hinge are connected on the inside of the panel body.

2. The opening and closing device according to claim 1, wherein a bottom hinge joint is formed on the bottom surface of the upper panel body and a top hinge joint is formed on the top surface of the lower panel body of the adjacent panel bodies.

3. An opening / closing device comprising an opening / closing body in which a plurality of panel bodies are rotatably connected to each other by a rotating member, wherein at least a part of the rotating member is positioned between adjacent panel bodies at the connection portion of adjacent panel bodies by the rotating member, The steps include: turning the upper panel of the adjacent panel upside down and aligning the bottom surface of the upper panel with the top surface of the lower panel of the adjacent panel; The steps include joining the upper surface of the lower panel body and the bottom surface of the upper panel body with the rotating member, The steps include raising the upper panel and positioning the upper panel on top of the lower panel, The steps described above are repeated to form the opening and closing body, A method for assembling a switchgear having the following characteristics.

4. The opening and closing device comprises a guide member that guides the vertical movement of the opening and closing body, and a plurality of guided members that are movably engaged with the guide member and provided on both sides in the width direction of the opening and closing body. The method for assembling an opening and closing device according to claim 3, further comprising the step of attaching the guided member engaged with the guide member to the upper panel body.

5. In the aforementioned alignment step, The method for assembling an opening and closing device according to claim 3, wherein the bottom surface of the upper panel is aligned with the top surface of the lower panel by suspending the upper panel from the lower panel.

6. An assembly jig used in the assembly method of the opening and closing device described in claim 5, A holding portion for holding the upper panel body, An engagement alignment portion that engages with the lower panel body and aligns the bottom surface of the upper panel body with the top surface of the lower panel body, A jig for assembly.

7. The assembly jig according to claim 6, wherein the holding portion comprises a winding member that has a length adjustment function and is wound around the upper panel body to hold it.

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