Hinge mounting structure of base material plate

Abstract

To provide a hinge mounting structure of a base material plate capable of mounting a hinge with high mounting rigidity even when it is difficult to directly fix the hinge to the base material plate with a screw or when it is difficult to directly bond the hinge to the base material plate such as when a hollow plate or a fragile plate is used for the base material plate.SOLUTION: A structure for attaching a hinge (4) to a base plate (1) includes a cutout portion (2) formed at a 1x portion of an end face of the base plate (1) so as to have a wider portion at a back than an inlet, a solid block (3) formed in accordance with a shape of the cutout portion (2) and fitted into the cutout portion (2) from a front face or a back face of the base plate (1), and a cover (7) formed so as to cover at least a part of the solid block (3) and the base plate (1). 5c 5d, A hinge 4 is fixed to the solid block 3 by a screw 5a.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present invention relates to a structure for attaching a hinge to a base plate, and in particular to a hinge attachment structure for a base plate that is suitable when it is difficult to fix the hinge directly to the base plate with screws or when it is difficult to glue the hinge directly to the base plate. [Background technology]

[0002] As shown in Figure 1, a hollow board d (product names: Pladan, Texel (registered trademark), honeycomb board, sandwich core material, corrugated cardboard, etc.) is known, which has a front skin board a and a back skin board b made of materials such as plastic or paper, with a honeycomb-shaped reinforcing rib c sandwiched between them. When attaching a hinge to this type of hollow board d, it is difficult to fasten the hinge by screwing it into the hollow board d because the interior of the hollow board d is nearly hollow. Also, when attaching a hinge to a fragile board such as a urethane board or a polystyrene foam board, it is difficult to fasten the hinge by screwing it into the fragile board because the strength of the fragile board is low.

[0003] For example, when a hinge is attached to a hollow plate d shown in Fig. 1 as a base plate, one possible structure is to drill holes in the front skin plate a and the back skin plate b of the hollow plate d that serves as the base plate, and insert flanged male and female screws e and f into these holes so that they face each other and are screwed together to fasten the hinge (not shown) between the flange e1 of the male screw e and the front skin plate a or between the flange f1 of the female screw f and the back skin plate b, as shown in Fig. 2. Another possible structure is to use a chamber partitioned by honeycomb-shaped reinforcing ribs c inside the hollow plate d that serves as the base plate as an injection space g, in which resin h (shown by dots) is injected, and then insert a cylindrical stud bolt k with threads i on its outer periphery and a notch j at its bottom, and guide the resin h into the stud bolt k through the notch j, where the resin h hardens to fix the stud bolt k, and then attach a hinge (not shown) to the stud bolt k (see Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-40395 Summary of the Invention [Problem to be solved by the invention]

[0005] However, in the set screw type shown in Figure 2, tightening the male screw e and female screw f presses the flange e1 of the male screw e against the front skin plate a, and the flange f1 of the female screw f against the back skin plate b. The screws e and f are supported only by the front skin plate a and the back skin plate b, and are not supported at all by the honeycomb-shaped reinforcing rib c. For this reason, if a hinge is sandwiched between the flange e1 of the male screw e and the front skin plate a (or between the flange f1 of the female screw f and the back skin plate b), the hinge's fixing strength (mounting rigidity) will be insufficient. Furthermore, if the tightening force between the male screw e and the female screw f is increased to increase the hinge's fixing strength, the flange e1 of the male screw e will apply strong localized pressure to the front skin plate a, and the flange f1 of the female screw f will apply strong localized pressure to the back skin plate b, potentially causing both skin plates a and b to bend significantly and break.

[0006] On the other hand, in the type shown in Figure 3, where stud bolt k is secured with resin h, when a hinge is attached to stud bolt k, the thrust force acting in the direction of removing stud bolt k is supported by the surfaces of front skin plate a, rear skin plate b, and reinforcing rib c that define injection space g via the unevenness (thread i) on the surface of stud bolt k and the resin h filled in injection space g. However, because injection space g is not particularly large, the areas of front skin plate a and rear skin plate b that define injection space g are not sufficient. If a large thrust force acts as the hinge opens and closes, both skin plates a and b may undergo significant localized deformation and cracking. Furthermore, it is difficult to install stud bolt k in a position that straddles reinforcing rib c, limiting the flexibility of its installation position. Furthermore, many steps are required, including the preparatory process for pouring resin h into injection space g, the process of injecting a predetermined amount of resin h according to the volume of injection space g, the process of inserting stud bolt k, and the process of curing resin h.

[0007] It is also possible to glue and fix the hinge directly to the surface of hollow board d (product names: Pladan, Texel, honeycomb board, sandwich core material, corrugated cardboard, etc.) or fragile board (urethane board, polystyrene foam board, etc.) shown in Figure 1. However, considering the strength and rigidity of hollow board d or fragile board, the adhesive area of ​​the hinge on the surface of hollow board d or fragile board is limited, so when a hinge glued to the surface of hollow board d or fragile board is rotated, it is difficult to obtain sufficient fixing strength to withstand practical use.

[0008] For example, if two hollow plates d shown in Figure 1 are connected using a hinge with their end faces in contact, the end faces of the connection will be in contact with the front skins a and the back skins b, not in surface contact. Therefore, if a force perpendicular to the end faces acts to press the hollow plates d together, the small contact area will increase stress, likely resulting in deformation of the end faces of the front skins a and the back skins b. One possible solution to this problem is to melt the end of the hollow plate d with a heat bar l (excluding the back skin b) as shown in Figures 4(a) and 4(b), then fold up and seal the remaining back skin b as shown in Figure 4(c), and then perform edge processing to remove excess material and burrs as shown in Figure 4(d) to ensure surface contact between the end faces m of the hollow plates d. However, this requires additional labor and increases costs.

[0009] Furthermore, if two hollow plates d shown in Figure 1 are connected using a hinge with their end faces in contact, it is thought that the structure will not allow any further opening because the end faces are in contact. However, if a force exceeding 180 degrees acts in the opening direction, even if the end face is processed as shown in Figure 4(d), the area of ​​end face m alone is not sufficient to receive the pressure, so the end face may be deformed and damaged, causing the opening angle to exceed 180 degrees.

[0010] Furthermore, as shown in Figure 5, when so-called plastic board n (corrugated cardboard made from plastic materials such as polypropylene) is used for the hollow board d, the inner back skin board o and internal reinforcing board p of the hinge part are removed, and the outer front skin board q is used as the joint r, which is bent back. However, repeated bending back of the front skin board q, which is the hinge part, inevitably reduces the strength of the joint r, making it less durable than a metal hinge. Furthermore, when a tensile force, rather than a bending force, acts on the joint r made of the front skin board q of the hinge part, it is thought that it will easily stretch and break due to its small cross-sectional area.

[0011] The object of the present invention, which was devised in consideration of the above circumstances, is to provide a hinge mounting structure for a base plate that can properly mount a hinge with high mounting rigidity, even when it is difficult to fix the hinge directly to the base plate with screws, such as when a hollow or brittle plate is used as the base plate, or when it is difficult to glue the hinge directly to the base plate. [Means for solving the problem]

[0012] According to the present invention, which has been devised to achieve the above-mentioned object, there is provided a hinge mounting structure for a base plate, which is characterized in that it comprises a cutout portion formed on the end surface of the base plate so as to have a wider portion at the back than the entrance, a solid block formed to match the shape of the cutout portion and fitted into the cutout portion from the front or back of the base plate, and a cover formed to cover at least a portion of the solid block and the base plate and positioned on the front and back of the base plate, sandwiching the base plate therebetween, the cover being fixed to the solid block, and the hinge being fixed to the solid block.

[0013] In the hinge mounting structure for the base plate according to the present invention, at least one of screws, rivets, and adhesive may be used as the fasteners for fixing the cover to the solid block and the fasteners for fixing the hinge to the solid block.

[0014] In the hinge mounting structure for a base plate according to the present invention, the cover may be a U-shaped cover formed to have a U-shaped cross section so as to cover the front, end and back surfaces of the base plate.

[0015] In the hinge mounting structure for the base plate of the present invention, the cover may be composed of an L-shaped cover formed with an L-shaped cross section to cover the surface and end faces of the base plate, and a flat cover that covers the back surface of the base plate.

[0016] In the hinge mounting structure for the base plate according to the present invention, the solid block may have a wide portion that engages with the wide portion at the back of the cutout and a narrow portion that engages with the narrow portion at the entrance of the cutout, and the hinge may be fixed to the narrow portion of the solid block.

[0017] In the hinge mounting structure for a base plate according to the present invention, a hinge fixed to a solid block may be arranged on one of the front and back surfaces of the base plate, and a stopper plate for limiting the rotation angle of the hinge may be provided on the other of the front and back surfaces of the base plate. [Effects of the Invention]

[0018] The hinge mounting structure for a base plate according to the present invention can achieve the following effects. (1) The solid block is formed to fit the shape of a notch formed on the end face of the base plate so that it has a wider portion at the back than the entrance, and is fitted into the notch from the front or back of the base plate. Therefore, it cannot be pulled out from the end face of the base plate, and movement along the surface of the base plate is restricted. (2) The cover is formed to cover at least a portion of the solid block and the base plate, and is disposed on the front and back surfaces of the base plate, sandwiching the base plate, and is fixed to the solid block. Therefore, the cover restricts movement of the solid block in the thickness direction of the base plate, and the cover cannot be removed from the front or back surface of the base plate. Furthermore, because the cover is fixed to the solid block, it can be appropriately fixed to the solid block with high mounting rigidity using screws or the like (screws, rivets, adhesive, etc.). (3) Because the hinge is fixed to the solid block, it can be properly fixed to the solid block with high mounting rigidity by using screws, etc. As a result, the hinge can be properly attached to the base plate with high mounting rigidity via the solid block, which is restricted from moving in the thickness direction and the surface direction of the base plate. (4) In summary, according to the present invention, even when it is difficult to fix the hinge directly to the base plate with screws, such as when a hollow plate or a brittle plate is used as the base plate, or when it is difficult to glue the hinge directly to the base plate, the hinge can be properly attached to the base plate via a solid block with high mounting rigidity. [Brief explanation of the drawings]

[0019] [Figure 1] FIG. 1 is a perspective view showing a hollow board (plastic board, Texel, honeycomb board, sandwich core material, corrugated cardboard, etc.) as an example of a base board to which a hinge is attached. [Figure 2] FIG. 10 is a cross-sectional view showing a conventional example of a structure for attaching a hinge to a hollow plate. [Figure 3] FIG. 10 is a cross-sectional view showing another conventional example of a structure for attaching a hinge to a hollow plate. [Figure 4] This is a process diagram showing a conventional example of end surface treatment for a hollow plate, where (a) shows the first process, (b) shows the second process, (c) shows the third process, and (d) shows the fourth process. [Figure 5] FIG. 10 is a perspective view showing a conventional example in which a hinge is formed by cutting out a part of a so-called plastic board. [Figure 6] 1A to 1C are perspective views showing the assembly steps of the hinge mounting structure for the base plate according to one embodiment of the present invention, where (a) shows the first step, (b) shows the second step, and (c) shows the third step. [Figure 7] 6(c) is a cross-sectional view taken along line VII-VII in FIG. 6(c) (cross-sectional view of the base plate, solid block, and cover), (b) is a cross-sectional view showing a modified cover, and (c) is a cross-sectional view showing another modified cover. [Figure 8] 6(c) is a perspective view showing the assembly process of the hinge mounting structure of the base plate according to this embodiment, where (a) shows the fourth step, (b) shows the fifth step, and (c) is a perspective view of (b) seen from the back side (the opposite side to the hinge). [Figure 9] 8(a) is a cross-sectional view taken along line IX-IX in FIG. 8(b), and FIG. 8(b) is a cross-sectional view showing the state in which the hinge is folded 180 degrees. [Figure 10]10A and 10B are explanatory diagrams of an embodiment (variant 1) in which the cover is arranged only near the hinge, where (a) is a plan view of the hinge side, (b) is a plan view of the anti-hinge side (stopper plate side), (c) is a cross-sectional view taken along line cc in (a), and (d) is a cross-sectional view taken along line dd in (a). [Figure 11] 10A and 10B are explanatory diagrams of an embodiment (variant 2) in which the cover is formed to cover not only the vicinity of the hinge but also the space between the hinges, where (a) is a plan view of the hinge side, (b) is a plan view of the anti-hinge side (stopper plate side), (c) is a cross-sectional view taken along line cc in (a), and (d) is a cross-sectional view taken along line dd in (a). [Figure 12] FIG. 10 is a perspective view of an embodiment (Modification 3) in which a solid block protrudes from an end face of a base plate. [Figure 13] 10A is a perspective view of an embodiment (variant 4) in which the solid blocks are isosceles trapezoidal, and FIG. 10B is a perspective view of an embodiment (variant 5) in which the solid blocks are hexagonal, combining an isosceles trapezoid and a rectangle. DETAILED DESCRIPTION OF THE INVENTION

[0020] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Dimensions, materials, and other specific values ​​shown in the embodiments are merely examples for facilitating understanding of the invention and do not limit the present invention unless otherwise specified. In this specification and drawings, elements having substantially the same functions and configurations are designated by the same reference numerals to avoid redundant explanation, and elements not directly related to the present invention are not shown.

[0021] (Assembly of hinge mounting structure for base plate) A hinge mounting structure for a base plate according to one embodiment of the present invention will be described based on its assembly process with reference to FIGS. 6, 7 and 8. FIG.

[0022] (Base plate 1, notch 2) First, as shown in FIG. 6( a), a notch 2 is provided on an end surface 1x of a base plate 1 so as to have a wider portion at the back than the entrance. The base plate 1 may be made of a board such as the hollow boards (plastic board, Texel, honeycomb board, sandwich core material, corrugated cardboard, etc.) or brittle boards (urethane board, polystyrene foam board, etc.) to which a hinge is difficult to directly screw, or a board that does not have sufficient fixing strength even when a hinge is directly glued. The notch 2 is formed by appropriately cutting the end surface 1x of the base plate 1 made of such a hollow board or brittle board. In this embodiment, the wider portion at the back is rectangular, and the narrower portion at the entrance is also rectangular. However, the shape of the notch 2 is not limited to this, and it is sufficient that the wider portion is formed at the back than the entrance.

[0023] (Solid Block 3) As shown in FIG. 6(b), a solid block 3 is fitted into the cutout 2. The solid block 3 is formed to match the shape of the cutout 2 and is fitted into the cutout 2 from either the front or back of the base plate 1. The solid block 3 has a convex shape that matches the shape of the cutout 2, with a rectangular wide portion 3x that engages with the wide portion at the back of the cutout 2 and a rectangular narrow portion 3y that engages with the narrow portion at the entrance of the cutout 2. By fitting the solid block 3 into the cutout 2, it is prevented from being pulled out in the X direction from the end surface 1x of the base plate 1 and its movement along the surface directions (X direction and Y direction) of the base plate 1 is restricted. A female thread 3a is threaded into which a screw 5a for fixing the hinge 4 (see FIG. 8(a)) is screwed, and a female thread 3b is threaded into which a screw 5b for fixing the stopper plate 6 (see FIG. 8(a)) is screwed. In order to fix the cover 7, a female screw 3c into which a screw 5c is screwed from the front side of the base plate 1 and a female screw 3d into which a screw 5d is screwed from the back side of the base plate 1 are formed through the wide portion 3x of the solid block 3. The material of the solid block 3 is such that the screws 5a, 5b, 5c, and 5d can be screwed in and properly fixed, for example, wood, metal, hard resin, etc.

[0024] (Cover 7) As shown in FIG. 6(b), covers 7 formed to cover at least a portion of the solid block 3 and the base plate 1 are disposed on the front and back surfaces of the base plate 1 so as to sandwich the base plate 1. The cover 7 may be shaped to cover only a portion of the solid block 3. In this embodiment, as shown in FIG. 7(a), which is a cross-sectional view taken along line VII-VII in FIG. 6(c), the cover 7 is composed of a U-shaped cover formed in a U-shaped cross section so as to cover the front surface, end face 1x, and back surface of the base plate 1. However, as shown in FIG. 7(b), the cover 7 may be composed of an L-shaped cover 7x formed in an L-shaped cross section so as to cover the front surface and end face 1x of the base plate 1, and a flat cover 7y covering the back surface of the base plate 1. Alternatively, as shown in FIG. 7(c), the cover 7x may be composed of an L-shaped cover 7x formed in an L-shaped cross section so as to cover the back surface and end face 1x of the base plate 1, and a flat cover 7y covering the front surface of the base plate 1.

[0025] As shown in Figures 6(b) and 6(c), the cover 7 has holes 7c formed therethrough through which screws 5c are inserted that are threaded into the female threads 3c of the solid block 3. The screws 5c inserted into the holes 7c of the cover 7 are threaded into the female threads 3c of the solid block 3, thereby fixing the cover 7 to the solid block 3. The cover 7 fixed to the solid block 3 covers the front and back surfaces of the base plate 1, thereby functioning to prevent the solid block 3 from slipping out of the cutout portion 2 in the thickness direction (Z direction) of the base plate 1. In addition, by covering the end faces 1x of the base plate 1, the cover 7 prevents the end faces 1x of the base plate 1 from directly abutting against each other (see Figure 6(b)) when the hinge 4 is opened 180 degrees as shown in Figure 9(a), thereby preventing the end faces 1x of the base plate 1 from deforming.

[0026] For example, when a hollow plate d (plastic board, Texel, honeycomb board, sandwich core material, corrugated cardboard, etc.) shown in Fig. 1 is used as the base plate 1, in a conventional hinge mounting structure in which the hinge 4 is attached directly to the hollow plate d, when the hinge 4 is opened 180 degrees, the end faces of the hollow plates d come into direct contact with each other, are pressed against each other, and are deformed, necessitating the end face treatment shown in Fig. 4, but this is not necessary in this embodiment. Also, when a fragile plate (urethane board, polystyrene foam board, etc.) is used as the base plate 1, in a conventional hinge mounting structure in which the hinge 4 is attached directly to the fragile plate, when the hinge is opened 180 degrees, the end faces of the fragile plate are pressed against each other and may be crushed, but in this embodiment, the pressing force is received by the end face of the cover 7, so the end face of the fragile plate will not be crushed.

[0027] (Assembly plate 8) As shown in FIG. 6(b), the base plate 1 with the solid block 3 fitted therein is covered with the cover 7 (see FIG. 6(c)). Then, screws 5c are inserted through the holes 7c in the cover 7 and screwed into the female threads 3c in the wide portion 3x of the solid block 3, securing the cover 7 to the wide portion 3x of the solid block 3. This completes the assembled plate 8 in which the solid block 3 and the cover 7 are assembled to the base plate 1. Because the cover 7 is secured to the solid block 3 rather than the base plate 1, even if a hollow or brittle plate is used for the base plate 1, it can be securely secured to the solid block 3 with high mounting rigidity using the screws 5c. The cover 7 prevents the solid block 3 from moving in the thickness direction (Z direction) of the base plate 1. The cover 7 is made of a material strong enough to prevent the solid block 3 from moving in the Z direction, such as metal or hard resin. As shown in Figures 6(b) and 6(c), when the cover 7 is fixed to the solid block 3 fitted into the cutout portion 2 of the base plate 1 with a screw 5c, a hole 7a is provided in the cover 7 at a position that overlaps with the female screw 3a of the solid block 3.

[0028] (Installing hinge 4) The assembly plate 8 shown in FIG. 6(c) is positioned so that the end faces of the covers 7 butt against each other, as shown in FIG. 8(a), and hinges 4 are attached to both assembly plates 8 to connect them. Holes 4a are formed through the hinges 4 to secure the hinges 4 to the solid blocks 3 of the assembly plates 8. As shown in FIG. 8(b), after the hinges 4 are placed in predetermined positions on the covers 7 of the assembly plates 8, the screws 5a inserted through the holes 4a of the hinges 4 are inserted into the holes 7a of the covers 7 and screwed into the female threads 3a (see FIG. 6(b)) in the narrow portions 3y of the solid blocks 3. This secures the hinges 4 to the narrow portions 3y of the solid blocks 3. Because the hinges 4 are secured to the solid blocks 3 rather than to the base plate 1, they can be secured to the solid blocks 3 with high mounting rigidity by the screws 5a, even if the base plate 1 is made of a hollow or brittle plate. The solid block 3 is restrained from moving in the plane directions (X and Y directions) of the base plate 1 by engaging with the cutout portion 2, and is also restrained from moving in the thickness direction (Z direction) of the base plate 1 by the cover 7. As a result, the hinge 4 is appropriately attached to the base plate 1 via the solid block 3 with high attachment rigidity. In addition, since the hinge 4 is attached to the narrow portion 3y of the solid block 3, it is positioned near the mating assembly plate 8 to be connected by the hinge 4.

[0029] (Installing stopper plate 6) As shown in FIG. 8(a), a stopper plate 6 for limiting the rotation angle of the hinge 4 is attached to the surface of the assembly plate 8 opposite to the hinge 4. As shown in FIG. 9(a), which is a cross-sectional view taken along line IX-IX in FIG. 8(b), when the assembly plate 8 is opened horizontally by 180 degrees, the stopper plate 6 comes into surface contact with the cover 7 of the assembly plate 8 to which the stopper plate 6 is not attached. This makes it possible to fix the opening angle of the hinge 4 to 180 degrees and to reduce the force pressing the end faces (end faces of the covers 7) together when both assembly plates 8 are opened by 180 degrees. The cover 7 shown in FIGS. 9(a) and 9(b) is of the type shown in FIG. 7(b).

[0030] As shown in FIG. 8( a), the stopper plate 6 has holes 6b through which screws 5b are inserted to secure the stopper plate 6 to the narrow portion 3y of the solid block 3 of the assembly plate 8. As shown in FIGS. 8( b) and 8(c), after the stopper plate 6 is placed in a predetermined position on the cover 7 on the side opposite the hinge 4 of the assembly plate 8, the screws 5b inserted through the holes 6b in the stopper plate 6 are inserted into holes formed in the cover 7 and screwed into the female threads 3b (see FIG. 6( b)) in the narrow portion 3y of the solid block 3. This secures the stopper plate 6 to the narrow portion 3y of the solid block 3. Because the stopper plate 6 is secured to the solid block 3 rather than the base plate 1, even if a hollow plate or a brittle plate is used as the base plate 1, the stopper plate 6 can be securely secured to the solid block 3 with high mounting rigidity by the screws 5b. The solid block 3 is restrained from moving in the plane directions (X and Y directions) of the base plate 1 by engaging with the cutout portion 2, and is also restrained from moving in the thickness direction (Z direction) of the base plate 1 by the cover 7. As a result, the stopper plate 6 is properly attached to the base plate 1 via the solid block 3 with high attachment rigidity.

[0031] (Hinge mounting structure of base plate 1) The hinge mounting structure of the base plate 1 of this embodiment assembled by the above assembly process comprises, as shown in Figure 6(a), a cutout portion 2 formed on the end face of the base plate 1 (hollow plate, brittle plate, etc.) so as to have a wider portion further back than the entrance, a solid block 3 formed to match the shape of the cutout portion 2 and fitted into the cutout portion 2 from the front or back of the base plate 1, and a cover 7 formed to cover at least a portion of the solid block 3 and the base plate 1 and positioned on the front and back of the base plate 1, sandwiching the base plate 1 between them, and as shown in Figures 6(c) and 9(a), the cover 7 is fixed to the solid block 3, and as shown in Figures 8(b) and 9(a), the hinge 4 is fixed to the solid block 3.

[0032] In this embodiment, screws 5a, 5b, 5c, and 5d are used as fasteners for fixing the cover 7 to the solid block 3 as shown in Figures 6(c) and 9(a), and for fixing the hinge 4 to the solid block 3 as shown in Figures 8(b) and 9(a), but at least one of screws, rivets, and adhesives may be used alone or in combination.

[0033] The cover 7 shown in Figure 6(c) is a U-shaped cover formed with a U-shaped cross section to cover the front, end faces and back surface of the base plate 1, as shown in Figure 7(a), but as shown in Figure 7(b), it may also be composed of an L-shaped cover 7x formed with an L-shaped cross section to cover the front and end faces of the base plate 1 and a flat cover 7x covering the back surface of the base plate 1, or the L-shaped cover 7x and flat cover 7y may be arranged in reverse, as shown in Figure 7(c).

[0034] As shown in Figures 6(a) and 6(b), the solid block 3 has a wide portion 3x that engages with the wide portion at the back of the cutout 2, and a narrow portion 3y that engages with the narrow portion at the entrance of the cutout 2. As shown in Figures 6(c) and 9(a), a cover 7 is fixed to the wide portion 3x of the solid block 3, and as shown in Figures 8(b) and 9(a), a hinge 4 is fixed to the narrow portion 3y of the solid block 3.

[0035] As shown in Figures 8(b) and 9(a), a hinge 4 fixed to a solid block 3 is arranged on one of the front and back surfaces of the base plate 1, and as shown in Figures 8(c) and 9(a), a stopper plate 6 for limiting the rotation angle of the hinge 4 is provided on the other of the front and back surfaces of the base plate 1.

[0036] (Actions and Effects) According to the hinge mounting structure for the base plate 1 according to this embodiment, the following actions and effects can be achieved.

[0037] 6(a) and 6(b), the solid block 3 is formed to fit the shape of a notch 2 formed on the end face 1x of the base plate 1 so as to have a wider portion at the back than the entrance, and is fitted into the notch 2 from the front or back of the base plate 1. This prevents the solid block 3 from being pulled out from the end face 1x of the base plate 1 in the X direction, and restricts movement in the surface directions of the base plate 1 (X direction, Y direction).

[0038] As shown in Figures 6(a) and 6(b), the force that moves the solid block 3 in the direction of the end face of the base plate 1 (X direction) is supported by the X1 and X2 faces of the cutout 2, and the force that moves the solid block 3 in the direction perpendicular to the end face of the base plate 1 (Y direction) is supported by the Y1 and Y2 faces of the cutout 2. The area of ​​each face of the cutout 2 that supports the force along the surface direction of the base plate 1 (X direction, Y direction) can be easily set wider than in the conventional example shown in Figures 2 and 3 by increasing the size of the solid block 3. Furthermore, since each force acts in a direction that buckles the base plate 1 rather than bending it, and the buckling rigidity is higher than the bending rigidity, deformation of the base plate 1 due to each force is suppressed even when a hollow or brittle plate is used for the base plate 1.

[0039] As shown in Fig. 6(a), the cover 7 is formed so as to cover at least a portion of the solid block 3 and the base plate 1, and as shown in Fig. 6(b), the cover 7 is disposed on the front and back surfaces of the base plate 1 with the base plate 1 sandwiched therebetween, and as shown in Fig. 6(c), the cover 7 is fixed to the solid block 3 with screws 5c. As a result, the cover 7 restricts movement of the solid block 3 in the thickness direction (Z direction) of the base plate 1, preventing it from falling off from the front or back surface of the base plate 1. Furthermore, because the cover 7 is fixed to the solid block 3, it can be appropriately fixed to the solid block 3 with high mounting rigidity by fixing it with screws 5c or the like (at least one of screws, rivets, and adhesive).

[0040] As shown in Figures 6(b) and 6(c), the cover 7 is formed to bridge the solid block 3 and the base plate 1. Therefore, the force that moves the solid block 3 in the thickness direction (Z direction) of the base plate 1 is supported by the front and back surfaces of the base plate 1 covered by the cover 7 and is received by the area obtained by subtracting the area of ​​the XY plane of the solid block 3 from the area of ​​the XY plane of the cover 7. In other words, by making the area of ​​the XY plane of the cover 7 appropriately larger than the area of ​​the XY plane of the solid block 3, the necessary pressure-receiving area can be secured. Even if a hollow or brittle plate is used for the base plate 1, the stress generated on the front and back surfaces of the base plate 1 by the force that moves the solid block 3 in the Z direction can be suppressed. As a result, deformation of the base plate 1 due to the force in the Z direction is suppressed.

[0041] As shown in Figures 8(b) and 9(a), the hinge 4 is fixed to the solid block 3 with a screw 5a. Since the hinge 4 is fixed to the solid block 3, it can be fixed appropriately to the solid block 3 with high mounting rigidity by using the screw 5a or the like (at least one of a screw, a rivet, and an adhesive). The solid block 3 to which the hinge 4 is fixed with high mounting rigidity in this way is constrained from moving in the thickness direction (Z direction) of the base plate 1 by the cover 7, and is constrained from moving in the surface directions (X direction and Y direction) of the base plate 1 by engagement with the cutout portion 2. As a result, the hinge 4 is attached appropriately to the base plate 1 via the solid block 3 with high mounting rigidity.

[0042] In summary, according to the hinge 4 mounting structure for the base plate 1 of this embodiment, even when it is difficult to fix the hinge 4 directly to the base plate 1 with screws, such as when a hollow plate or a fragile plate is used for the base plate 1, or when it is difficult to glue the hinge 4 directly to the base plate 1, the hinge 4 can be properly mounted to the base plate 1 via the solid block 3 with high mounting rigidity.

[0043] (Variation 1) Fig. 10 shows an embodiment (variant 1) of the hinge mounting structure of the base plate 1 in which the cover 7 is formed only in the vicinity of the hinge 4. Fig. 10(a) is a plan view of the hinge 4 side, Fig. 10(b) is a plan view of the side opposite the hinge 4 (the stopper plate 6 side), Fig. 10(c) is a cross-sectional view taken along line cc in Fig. 10(a), and Fig. 10(d) is a cross-sectional view taken along line dd in Fig. 10(a). The configuration, operation, and effect of variant 1 are the same as those of the first embodiment described using Figs. 6 to 9, so the same parts are designated by the same reference numerals and their description will be omitted.

[0044] (Variation 2) Fig. 11 shows an embodiment (variant 2) of the hinge mounting structure for the base plate 1 in which the cover 7 is formed not only near the hinge 4 but also over a wide area along the butt joint of the assembly plate 1. Fig. 11(a) is a plan view of the hinge 4 side, Fig. 11(b) is a plan view of the side opposite the hinge 4 (the stopper plate 6 side), Fig. 11(c) is a cross-sectional view taken along line cc in Fig. 11(a), and Fig. 11(d) is a cross-sectional view taken along line dd in Fig. 11(a). The configuration, operation, and effects of variant 2 are the same as those of the first embodiment, so a description thereof will be omitted.

[0045] (Variation 3) FIG. 12 shows Modification 3. This Modification 3 differs from the first embodiment shown in FIG. 6(b) only in that the end face 3z of the solid block 3 protrudes from the end face 1x of the base plate 1. Considering the strength and material of the base plate 1 (hollow plate, brittle plate, etc.), there are cases where the base plate 1 cannot be machined so that the end face 1x of the base plate 1 and the end face 3z of the solid block 3 always coincide with high precision. In such cases, as shown in FIG. 12, by configuring the end face 3z of the solid block 3 to protrude slightly from the end face 1x of the base plate 1, the cover 7 can be reliably brought into contact with the end face 3z of the solid block 3, which has been machined to a high precision, making processing and assembly easier. In this case, the force in the X direction acting on the hinge 4 (see FIGS. 8(a) and 8(b)), which is attached by the screw 5a inserted through the hole 7a of the cover 7 and screwed into the female screw 3a of the solid block 3, is supported by the X1 and X2 surfaces (see FIG. 6(a)) of the cutout portion 2. In the first embodiment shown in FIGS. 6(a) and 6(b), the end surface 3z of the solid block 3 is flush with the end surface 1x of the base plate 1, so the force in the X direction acting on the hinge 4 is supported not only by the X1 and X2 surfaces of the cutout portion 2 but also by the end surface 1x of the base plate 1 via the cover 7. The basic configuration, operation, and effects of the third modification are the same as those of the first embodiment, so a description thereof will be omitted.

[0046] (Variations 4 and 5) FIG. 13(a) shows Modification 4, and FIG. 13(b) shows Modification 5. Modification 4 shown in FIG. 13(a) and Modification 5 shown in FIG. 13(b) differ from the first embodiment shown in FIG. 6(b) only in the shape of the solid block 3. In the first embodiment shown in FIG. 6(b), the shape of the solid block 3 was a convex shape consisting of a rectangular wide portion 3x and a narrow portion 3y. However, in Modification 4 shown in FIG. 13(a), the shape is an isosceles trapezoid with the short side facing the end face 1x of the base plate 1. In Modification 5 shown in FIG. 13(b), the shape is a hexagon consisting of an isosceles trapezoid and a rectangle. In either case, the cutout portion 2 has the same shape as the solid block 3, and the solid block 3 is fitted into the cutout portion 2 from the front or back of the base plate 1, preventing the solid block 3 from moving along the surface direction (X direction, Y direction) of the base plate 1. The solid block 3 and the notch 2 may have any shape as long as the solid block 3 does not move in the surface direction of the base plate 1.

[0047] The above describes a preferred embodiment of the present invention with reference to the accompanying drawings. However, it goes without saying that the present invention is not limited to the above-described embodiment, and various modified or altered examples within the scope of the claims also fall within the technical scope of the present invention. [Industrial Applicability]

[0048] The present invention can be used in a hinge mounting structure for a base plate that can properly mount a hinge with high mounting rigidity when it is difficult to fix the hinge directly to the base plate with screws or when it is difficult to glue the hinge directly to the base plate. [Explanation of symbols]

[0049] 1 Base material plate 1x Base plate edge 2 Notch 3 Solid Blocks 3x wide section of solid block 3y Narrow part of solid block 4 hinges 6 Stopper plate 7 Cover 5a Screws securing hinge to solid block 5b Screws for fastening the stopper plate to the solid block 5c Screws securing the cover to the solid block 5d Screws securing the cover to the solid block

Claims

1. A structure in which a hinge is attached to a base plate, a notch formed on the end surface of the base plate so as to have a portion that is deeper and wider than an inlet; a solid block formed to match the shape of the notch and fitted into the notch from the front or back surface of the base plate; a cover formed to cover the solid block and at least a portion of the base plate and disposed on the front and back surfaces of the base plate with the base plate sandwiched therebetween; the cover is secured to the solid block; A hinge mounting structure for a base plate, characterized in that the hinge is fixed to the solid block.

2. 2. The hinge mounting structure for a base plate according to claim 1, wherein at least one of screws, rivets, and adhesive is used as the fasteners for fixing the cover to the solid block and the fasteners for fixing the hinge to the solid block.

3. 3. The hinge mounting structure for a base plate according to claim 1, wherein the cover is a U-shaped cover formed with a U-shaped cross section so as to cover the front, end and back surfaces of the base plate.

4. A hinge mounting structure for a base plate as described in claim 1 or 2, characterized in that the cover is composed of an L-shaped cover formed with an L-shaped cross section to cover the surface and end faces of the base plate, and a flat cover that covers the back surface of the base plate.

5. the solid block has a wide portion that engages with a wide portion at the back of the notch and a narrow portion that engages with a narrow portion at the entrance of the notch, 3. The hinge mounting structure for a base plate according to claim 1, wherein the hinge is fixed to the narrow portion of the solid block.

6. the hinge fixed to the solid block is disposed on one of the front and back surfaces of the base plate; 3. The hinge mounting structure for a base plate according to claim 1, wherein a stopper plate for limiting the rotation angle of the hinge is provided on the other of the front and back surfaces of the base plate.

Images