JP2019039193A - Wall inspection port device - Google Patents

Abstract

To provide a wall inspection port device which suppresses damage or dent created on a peripheral edge of an inspection port on a wall even when a lid is repeatedly opened/closed.SOLUTION: A wall inspection port device is provided with a lid detachable to an inspection port opened on a wall 1. A lower frame part of the lid is formed by a lower frame member 22 made of aluminum alloy. A lid guide member 14 is fixed on a lower peripheral surface of the inspection port on the wall 1. The lid guide member 14 is a member for guiding the lower frame member 22 when removing the lid. The lid guide member 22 sequentially comprises a first slope part 14b, a second slope part 14c, a vertical wall part 14d, and an engaging part 14i sequentially from a -X side. A hook part 22d of the lower frame member 22 slides from the first slope part 14b via the second slope part 14c to the engaging part 14i when removing the lid. When the hook part 22d is engaged to the engaging part 14i, the lid rotates using the engaged hook part 22d as a fulcrum.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a wall inspection port device.

  The wall of the building is opened with an inspection port for inspecting the wiring, piping, and instruments arranged on the back. In normal times, the inspection port is closed with a lid so that the lid can be removed for inspection and repair.

  As an example of the wall inspection port device as described above, Patent Document 1 discloses an inspection port lid in which a reinforcing frame member is bonded to the back surface as a lid for closing the inspection port. A kick spring (torsion spring) is attached to the back surface of the inspection mouth cover of Patent Document 1. Further, a latch for latching the kick spring is fixed to the side peripheral surface of the wall around the inspection port.

  In the wall inspection opening device of Patent Document 1, when removing the inspection opening cover, first, the upper frame portion of the inspection opening cover is pulled out indoors. As a result, the inspection lid rotates with the lower frame portion of the inspection lid as a fulcrum. The inspection palate is rotated until the kick spring is hooked on the hook. Then, after this, the operator can remove the kick spring from the hook and completely remove the inspection port cover from the inspection port.

Utility Model Registration No. 3121632

  However, in the wall inspection port apparatus of Patent Document 1, it is considered that the peripheral edge on the lower side of the inspection port on the wall is damaged or dented due to the contact of the lower frame portion of the inspection port lid while opening and closing the inspection port lid. . That is, when removing the inspection cover from the inspection port as in Patent Document 1, when the inspection cover is rotated with the lower frame part as a fulcrum, a part of the lower frame part surrounds the lower side of the inspection port on the wall. May touch the edge. Further, the contact of the lower frame portion with the peripheral edge may be repeated, whereby the peripheral edge may be damaged or a dent may be generated.

  The present invention has been made to solve the above-described problems, and even when the lid is repeatedly opened and closed, the peripheral edge of the inspection opening on the wall can be prevented from being scratched or dented. It aims at providing a wall inspection device.

  A wall inspection port device according to an aspect of the present invention is provided on a lower peripheral surface of the inspection port on the wall, with a detachable lid with respect to the inspection port opened in the wall that partitions the room and the back of the wall. A lid guide member that guides the lower frame portion of the lid when the lid is removed from the inspection port, and the lid guide member, when the lid is removed, A first inclined portion that guides upward on the indoor side, and is formed closer to the indoor side than the first inclined portion, and when the lid is removed, the lower frame portion of the lid is And a second inclined portion that guides downward, a standing wall portion that is formed on the indoor side with respect to the second inclined portion, and stands upward, and the second inclined portion and the standing wall It is provided at the corner where the part is abutted, and the lower frame part of the lid is hooked so that the lid can rotate It has a stop unit.

  In the wall inspection port device according to the above aspect, a lid guide member having a first inclined portion, a second inclined portion, a standing wall portion, and a latching portion is provided on the lower peripheral surface of the wall. For this reason, when an operator pulls the upper frame portion of the lid to the indoor side and removes the lid from the inspection port, the lid is lifted upward in a section where the lower frame portion of the lid slides on the first inclined portion. While being guided indoors.

  In the section where the lower frame portion of the lid slides on the second inclined portion, the lid moves to the indoor side while being lowered downward. When the lower frame portion slides on the second inclined portion, the lower frame portion is also supported by the upper end portion of the standing wall portion. Thus, when the lower frame portion slides on the second inclined portion, the lower frame portion is also supported by the upper end portion of the standing wall portion, so that the lower frame portion slides on the first inclined portion and the second inclined portion. In the moving section, the rotation of the lid is suppressed, and in this state, the lower frame portion of the lid is separated from the lower peripheral edge of the wall. Therefore, even when the lid is repeatedly opened and closed, it is possible to suppress the peripheral edge of the inspection port in the wall from being scratched or dented by the lower frame portion.

  Therefore, in the wall inspection opening device according to the above aspect, even when the lid is repeatedly opened and closed, the peripheral edge of the inspection opening on the wall can be prevented from being scratched or dented.

  Even when the lower frame part is made of a material harder than the wall, such as metal or ceramics, the peripheral edge of the inspection port may be scratched or dented by adopting the configuration according to the above aspect. Can be suppressed.

  The wall inspection port device according to another aspect of the present invention is the above aspect, and a top portion where the first inclined portion and the second inclined portion are abutted is configured by a curved surface.

  In the wall inspection port device according to the above aspect, since the top portion of the lid guide member is configured by a curved surface, the lower frame portion of the lid can pass through the top portion smoothly, and the user can smoothly remove the lid. Can do.

  The wall inspection port device according to another aspect of the present invention is the above aspect, wherein the standing wall portion is provided such that an upper end portion thereof is at the same height as the top portion.

  In the wall inspection port device according to the above aspect, since the upper end portion of the standing wall portion is positioned at the same height as the top portion where the first inclined portion and the second inclined portion are abutted, the lower frame portion of the lid is the second frame portion. When sliding on the inclined portion, the lid becomes difficult to rotate, and it is possible to more reliably avoid contact of the lower frame portion with the peripheral edge of the inspection port on the wall.

  The wall inspection port device according to another aspect of the present invention is the above-described mode, wherein the lower frame portion of the lid includes a flat plate-like base portion extending to the back side of the wall along the lower peripheral surface of the inspection port, and the base portion. And when the lid is removed, the flange slides on the first inclined portion and the second inclined portion, and the hook is formed. In the state of being hooked by the stopper, it becomes a fulcrum for the rotation.

  In the wall inspection port device according to the above aspect, the hook part is hooked by the hook part, and the hook part serves as a fulcrum for the rotation of the lid, so that the hook part is held in the state of being hooked by the hook part. The lid can be rotated as the center. Therefore, the lid can be rotated with a smooth movement after the collar portion reaches the latching portion.

  The wall inspection port device according to another aspect of the present invention is the above aspect, wherein the lid guide member is formed to project from the upper end portion of the standing wall portion toward the back side of the wall, and the upper side of the hooking portion is It further has a collar portion that covers the shape.

  In the wall inspection port device according to the above aspect, since the collar portion protrudes from the upper end portion of the standing wall portion toward the wall back side, the lower frame portion can be reliably hooked to the hook portion, It can suppress that a lower frame part remove | deviates from a latching part at the time of rotation of a lid | cover, etc.

  The wall inspection opening device according to another aspect of the present invention is the above aspect, wherein the lid guide member covers a part of the lower peripheral surface of the inspection opening from a portion of the standing wall portion on the indoor side. A covering portion extending toward the indoor side, and a bent portion from the end on the indoor side of the covering portion to the lower side, and covering a part of the peripheral edge on the lower side of the inspection port. And an outer surface portion.

  In the wall inspection port apparatus according to the above aspect, the outer surface portion is formed so as to cover a part of the peripheral edge on the lower side of the inspection port. Therefore, when removing or attaching the lid from the inspection port, the outer surface portion The lower frame portion is prevented from coming into contact with the lower peripheral edge of the inspection port. Therefore, in the wall inspection opening device according to the above aspect, even when the lid is repeatedly opened and closed, the peripheral edge of the inspection opening in the wall can be more reliably suppressed from being scratched or dented.

  Moreover, in the wall inspection port apparatus according to the above aspect, the covering portion is formed so as to cover a part of the lower peripheral surface (inside the room) of the inspection port. In such a case, the lower frame portion is also prevented from contacting the lower peripheral surface of the inspection port. Therefore, in the wall inspection opening device according to the above aspect, even when the lid is repeatedly opened and closed, the lower peripheral surface of the inspection opening on the wall can be reliably prevented from being scratched or dented.

  The wall inspection port device concerning another mode of the present invention is the above-mentioned mode, and the above-mentioned wall part is arranged on the above-mentioned wall back side rather than the center of the thickness direction of the above-mentioned wall.

  The wall inspection port device according to the above aspect employs a configuration in which the standing wall portion is arranged on the back side of the wall from the center in the thickness direction of the wall. Therefore, when removing the lid from the inspection port, the outer edge surface portion (of the inspection port) It can suppress more reliably that the part which covers a peripheral edge) contacts the lower peripheral edge of an inspection port.

  The wall inspection port device according to another aspect of the present invention is the above aspect, wherein a kick spring having both ends extending toward the back side of the wall is attached to the side frame portion of the lid, and the inspection of the wall is performed. On the side peripheral surface of the mouth, there are provided spring receiving members for hooking both ends of the kick spring.

  In the wall inspection port device according to the above aspect, the kick spring is attached to the side frame portion of the lid, and the spring receiving member is provided on the side peripheral surface of the inspection port in the wall, so the tip of the kick spring is a spring receiving member. The rotation of the lid is stopped at the place where it is hooked.

  In the wall inspection opening device according to each of the above aspects, even when the lid is repeatedly opened and closed, the peripheral edge of the inspection opening in the wall can be prevented from being scratched or dented.

It is a model perspective view which shows the inspection port and lid which concern on embodiment. It is a model perspective view which shows the structure of a spring receiving member. It is a model perspective view which shows the structure of a lid guide member. It is a schematic cross section which shows the IV-IV cross section of FIG. It is a model side view which shows the structure of a lid | cover. It is a schematic cross section which shows the cross-section of a lower frame member. (A) is a schematic diagram which shows the state which block | closed the inspection port with the lid | cover, (b) is a schematic diagram which shows the state which rotated the lid | cover and opened the inspection port. (A) is a schematic diagram which shows the arrangement | positioning state of the lower frame member with respect to a lid guide member in the state which closed the inspection port with the lid | cover 2, (b) is a flange part of a lower frame member. It is a schematic diagram which shows the state which climbed up 1 inclination part and exceeded the top part, (c) is a schematic diagram which shows the state by which the collar part of the lower frame member was latched by the latching part of the lid guide member. . 10 is a schematic cross-sectional view illustrating a structure of a lid guide member according to Modification 1. FIG. (A) is a schematic top view which shows the structure of the cover guide member which concerns on the modification 2, (b) is a schematic cross section which shows the Xb-Xb cross section of (a).

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The form described below is one embodiment of the present invention, and the present invention is not limited to the following form except for the essential configuration.

[Embodiment]
In the drawings used in the following description, “+ X” indicates the indoor side, and “−X” indicates the back side of the wall. Further, “+ Y” indicates the right side, “−Y” indicates the left side, “+ Z” indicates the upper side, and “−Z” indicates the lower side.

1. Schematic Structure of Wall Inspection Port Device 100 The schematic structure of the wall inspection port device 100 according to the embodiment will be described with reference to FIG.

  As shown in FIG. 1, a rectangular inspection port 1 a is opened in the wall 1 in a plan view from the + X side (inside the room). In addition, the wall 1 is comprised from the gypsum board and the wall cloth stuck on the indoor side (+ X side) surface.

  On the −X side (the back side of the wall) of the wall 1, reinforcing frame members 11 and 12 are fixed along the opening edge of the inspection port 1a. However, in this embodiment, the reinforcing frame member at a portion along the opening edge on the + Z side of the inspection port 1a is omitted.

  In the wall 1, four peripheral surfaces (an upper peripheral surface 1b, a lower peripheral surface 1c, a left peripheral surface 1d, and a right peripheral surface 1e) are arranged so as to surround the inspection port 1a. In other words, the periphery of the inspection port 1a is defined by the four peripheral surfaces 1b to 1e.

  A spring receiving member 13 is attached to the left peripheral surface 1d and the right peripheral surface 1e (see the portion indicated by arrow A). In FIG. 1, only the spring receiving member 13 attached to the left peripheral surface 1d is shown for convenience of illustration. The spring receiving member 13 is screwed to the reinforcing frame member 12. The same applies to the attachment of the spring receiving member 13 to the left peripheral surface 1d.

  In addition, two lid guide members 14 are attached to the lower peripheral surface 1c (see the portion indicated by arrow B). In FIG. 1, only one lid guide member 14 is shown for convenience of illustration. The lid guide member 14 is also screwed to the reinforcing frame member 11.

  Each configuration of the spring receiving member 13 and the lid guide member 14 will be described later.

  The lid 2 that closes the inspection port 1a includes a square surface member 20 in plan view, an upper frame member (upper frame portion) 21, a lower frame member (lower frame portion) 22, a left frame member (left Frame portion) 23 and a right frame member (right frame portion) 24. Similarly to the wall 1, the surface member 20 is composed of a plaster board and a wall cloth adhered to the + X side (indoor side) surface thereof. Each of the frame members 21 to 24 is made of a metal material (for example, an aluminum alloy) whose surface is electrodeposited.

  In the lid 2, a kick spring 25 is attached to each of the left frame member 23 and the right frame member 24. In FIG. 1, only the kick spring 25 attached to the left frame member 23 is illustrated for convenience of illustration. The kick spring 25 is hooked on the spring receiving member 13 in the middle of removing the lid 2 from the inspection port 1a.

2. Structure of the spring receiving member 13 The structure of the spring receiving member 13 will be described with reference to FIG. FIG. 2 is a schematic perspective view showing the structure of the spring receiving member 13.

  The spring receiving member 13 is formed by punching and bending a metal plate material (for example, galvanized steel plate). As shown in FIG. 2, the spring receiving member 13 includes a base portion 13a, an outer surface portion 13b, rising portions 13c and 13d, and flange portions 13e and 13f that are integrally provided.

  The base portion 13a is a flat plate-like portion that comes into contact with each of the left peripheral surface 1d and the right peripheral surface 1e and the reinforcing frame member 12. Holes 13 i and 13 j through which screws for attachment to the reinforcing frame member 12 are inserted are formed in a portion of the base portion 13 a on the −X side.

  The outer surface portion 13b is a portion that comes into contact with the peripheral edge of the inspection port 1a in the wall 1, and is a rectangular plate portion bent substantially at a right angle to the + Y side with respect to the base portion 13a. The rising portions 13c and 13d are strip-shaped plate portions bent at a substantially right angle from the −X side end of the base portion 13a to the −Y side, and the bending direction is opposite to that of the outer surface portion 13b.

  The eaves part 13e is a strip-like plate part extending from the −Z side end part of the rising part 13c to the −Z side, and the eaves part 13f extends from the + Z side end part of the rising part 13d to the + Z side. It is a strip-shaped plate part. In the spring receiving member 13, U-shaped concave portions 13 g and 13 h formed by the rising portions 13 c and 13 d and the flange portions 13 e and 13 f are portions through which the kick spring 25 passes when the lid 2 is attached and detached.

  As shown in FIG. 2, in the spring receiving member 13 according to the present embodiment, each width in the Z direction of the rising portions 13 c and 13 d is formed so as to gradually decrease from the + Y side to the −Y side. In other words, the recess 13g is formed to expand toward the + Z side as it goes from the + Y side to the −Y side, and the recess 13h is formed so as to expand as it goes from the + Y side to the −Y side. By adopting this configuration, when the lid 2 is opened, the larger the opening is, the more the kick spring 25 comes into contact with the -Y side of the inner side edge of the rising portion 13c13d of the spring receiving member 13. For this reason, at the end of the rotation of the lid 2, a gap is generated between the side peripheral surface of the inspection port 1 a and the reinforcing frame member 12 and the kick spring 25, and the kick spring 25 can be easily detached from the spring receiving member 13.

3. Structure of lid guide member 14 The structure of the lid guide member 14 will be described with reference to FIGS. FIG. 3 is a schematic perspective view showing the structure of the lid guide member 14, and FIG. 4 is a schematic cross-sectional view showing the IV-IV cross section of FIG.

  As described above, in the wall inspection port device 100 according to the present embodiment, the two cover guide members 14 are attached to the lower peripheral surface 1c of the wall 1, but both have the same structure.

  The lid guide member 14 is also formed by using a metal plate material (for example, a galvanized steel plate) similarly to the spring receiving member 13. As shown in FIG. 3, the lid guide member 14 has a rectangular outer shape in plan view from the + Z side.

  The lid guide member 14 includes a base portion 14a, a first inclined portion 14b, a second inclined portion 14c, a standing wall portion 14d, a covering portion 14j, a latching portion 14i, an outer surface portion 14e, and a flange portion 14k. The base portion 14 a is a portion placed on the reinforcing frame member 11, and a hole 14 f for inserting a screw for fixing to the reinforcing frame member 11 is opened.

The first inclined portion 14b is an inclined portion that forms an inclined surface that climbs from the −X side (the base portion 14a side) toward the + X side (the second inclined portion 14b side) toward the + Z side. Conversely, the second inclined portion 14c is an inclined portion that forms a downward slope from the −X side (the first inclined portion 14b side) to the + X side (the standing wall portion 14d side) toward the −Z side. In addition, inclination | tilt angle (theta) ₁ of the 1st inclination part 14b is 40-50 degrees, for example. Inclination angle theta ₂ of the second inclined portion 14c is smaller than the inclination angle theta _1, for example, 10 to 20 °.

  As shown in FIG. 4, the top part 14g with which the 1st inclination part 14b and the 2nd inclination part 14c are faced | matched is comprised by the curved surface.

  As shown in FIG. 4, the standing wall portion 14d is a wall portion that rises from the + X side end portion of the second inclined portion 14c toward the + Z side. As shown in FIG. 4, the upper end position of the standing wall portion 14d is substantially the same height position (Z direction position) as the butted portion (the top portion 14g) between the first inclined portion 14b and the second inclined portion 14c. Yes.

  In the lid guide member 14, a latching portion 14i is formed at a corner portion between the upper surface of the second inclined portion 14c and the -X side surface of the standing wall portion 14d. Although the detailed function of the latching | locking part 14i is mentioned later, when removing the lid | cover 2, it is a part which latches a part (ridge part) of the lower frame member 22. FIG.

  The covering portion 14j is a portion extending from the + X side surface of the standing wall portion 14d to the + X side. The covering portion 14j is a portion provided so as to cover a part of the lower peripheral surface 1c of the wall 1 (upward on the + Z side). The upper surface of the covering portion 14j is provided with a gap G with respect to the lower surface of the base portion 14a. The interval G is, for example, about 3 to 5 mm.

  The outer surface portion 14e is a portion that covers a part of the peripheral edge of the inspection port 1a, and is formed by being bent from the + X side front end portion of the covering portion 14j. The corner portion 14h where the upper surface of the covering portion 14j and the + X side surface of the outer surface portion 14e face each other is configured by a curved surface.

  The flange portion 14k is formed so as to protrude from the upper end portion of the standing wall portion 14d toward the -Y side (the wall back side). The collar part 14k covers the upper part of the latching part 14i in a bowl shape. In the present embodiment, the upper surface of the flange portion 14k is substantially the same height position (Z direction position) as the butted portion (the top portion 14g) of the first inclined portion 14b and the second inclined portion 14c.

4). Structure of Lid 2 The structure of the lid 2 will be described with reference to FIG. FIG. 5 is a schematic side view of the lid 2 viewed from the side from the −Y side.

  As shown in FIG. 5, in the lid 2, frame members 21 to 24 are attached so as to surround the periphery of the surface member 20 (in FIG. 5, only the left frame member 23 is shown for convenience of illustration). . The frame members 21 to 24 have a flange portion that covers the peripheral edge of the inspection port 1 a in the wall 1 when the inspection port 1 a is closed with the lid 2.

  As shown in a portion surrounded by a two-dot chain line in FIG. 5, a seal packing 27 is provided on the back surface side (the side facing the opening edge of the inspection port 1 a) of the flange portion of the left frame member 23. The seal packing 27 is provided over the entire circumference so as to ensure airtightness when the inspection port is closed with the lid 2.

  A kick spring 25 is attached to the side surface of the left frame member 23. The kick spring 25 is attached using screws 26. As shown in FIG. 5, the kick spring 25 has a shape in which the legs are open toward the −X side around the portion stopped by the screw 26. And the front-end | tip parts 25a and 25b of the kick spring 25 are bent in L shape or J shape.

  A flange portion 23 d extending in the Z direction is provided on the −X side portion of the left frame member 23. The flange portion 23d is provided so that the kick spring 25 can pass through the front side of the sheet. The structure of the flange 23d in the left frame member 23 is the same as the flange 22d of the lower frame member 22 described later.

  The structure of the left frame member 23 as described above is the same for the upper frame member 21, the lower frame member 22, and the right frame member 24.

5. Sectional Structure of Lower Frame Member 22 The sectional structure of the lower frame member 22 constituting the lower frame portion of the lid 2 will be described with reference to FIG. FIG. 6 is a schematic cross-sectional view showing the lower frame member 22 cut along the XZ plane.

  As shown in FIG. 6, the lower frame member 22 includes an outer edge surface portion 22a, an inner edge surface portion 22b, a base portion 22c, a flange portion 22d, and a shelf portion 22e. The outer edge surface portion 22 a is a portion that covers the peripheral edge of the inspection port 1 a on the wall 1 when the inspection port 1 a is closed with the lid 2. As shown in the portion surrounded by the two-dot chain line in FIG. 5, the seal packing 27 is provided on the −X side surface of the outer edge surface portion 22a (not shown in FIG. 6).

  The inner edge surface portion 22 b is a portion that covers the outer edge portion of the surface member 20.

  The base portion 22c is a portion extending in the X direction so as to follow the −Z side end surface of the surface member 20, and is abutted against the outer edge surface portion 22a and the inner edge surface portion 22b at the + X side end portion. The base 22c is formed to extend to the back side of the wall along the lower peripheral surface 1c of the inspection port 1a in the wall 1 when the inspection port 1a is closed with the lid 2.

  The flange portion 22d is a portion that is continuous with the −X side end portion of the base portion 22c and has a U-shaped cross section at the wall back portion. In addition, the collar part 22d is provided so that it may extend in the direction (Y direction) perpendicular | vertical to a paper surface similarly to the collar part 23d of the left frame member 23 demonstrated using FIG.

  The shelf portion 22e is a portion that is provided on the −Z side with an interval with respect to the base portion 22c and that extends to the −X side.

  The lower frame member 22 may be integrally formed by using a drawing method or an extrusion method, or may be formed by joining a plurality of members.

6). Opening / Closing of Lid 2 The opening / closing of the lid 2 in the wall inspection port device 100 according to the present embodiment will be schematically described using FIG. FIG. 7A is a schematic diagram showing a state where the inspection port 1a is closed with the lid 2, and FIG. 7B is a schematic diagram showing a state where the lid 2 is rotated and the upper part of the inspection port 1a is opened. FIG.

  As shown in FIG. 7A, in the state where the inspection port 1a is closed with the lid 2, the surface member 20 of the lid 2 is arranged in the inspection port 1a, and a part of the frame members 21 to 24 (outer edge surface portion) And the inner edge surface portion) are arranged outward (+ X side) of the inspection port 1a.

  In the state shown in FIG. 7A, the kick spring 25 is in a state where the tip end portion has entered the wall back side (−X side) and the tip end portions 25 a and 25 b are open. When the inspection port 1a is closed with the lid 2, the seal packing 27 (see FIG. 5) causes the frame members 21 to 24 and the wall 1 and the frame members 21 to 24 and the surface member 20 to be sealed. Airtightness is ensured.

  In the state where the inspection port 1a is closed by the lid 2, there is a gap in the Z direction between the upper frame member 21 and the upper peripheral surface 1b (see FIG. 1) inside the inspection port 1a. It is vacant. However, the airtightness between the room and the back of the wall is ensured by the seal packing 27.

  As shown in FIG. 7B, when opening the lid 2, the user hooks a finger or the like on the upper frame member 21 and pulls it to the + X side. At this time, in the lower frame member 22, the flange portion 22d (see FIG. 6) slides on the first inclined portion 14b and the second inclined portion 14c of the lid guide member 14. FIG. 7B shows a state in which the flange portion 22 d of the lower frame member 22 is hooked by the hook portion 14 i of the lid guide member 14. Note that while the flange portion 22d of the lower frame member 22 slides on the first inclined portion 14b and the second inclined portion 14c of the lid guide member 14, the rotation of the lid 2 is suppressed, and the lower frame member The rotation starts substantially from the point in time when the collar 22d of 22 is latched by the latching portion 14i of the lid guide member 14.

The rotation of the lid 2 is stopped by the + Z side tip 25a of the kick spring 25 being engaged with the rising portion 13c of the spring receiving member 13. In the present embodiment, the tilt angle theta ₃ of the cover 2 in the state shown in FIG. 7 (b), for example, about 25 to 35 °.

7). Function of lid guide member 14 The function of the lid guide member 14 will be described with reference to FIG. FIG. 8A is a schematic diagram showing the lid guide member 14 and the lower frame member 22 extracted in the state of FIG. 7A, and FIG. 8C is the state of FIG. FIG. 8B is a schematic view showing the lid guide member 14 and the lower frame member 22 extracted from FIG. 8B, and FIG. 8B shows the lid guide member 14 in a state between FIG. 8A and FIG. It is the schematic diagram which extracts and shows the lower frame member 22. FIG.

  As shown in FIG. 8A, in the state where the inspection port 1a is closed with the lid 2, the base portion 22c of the lower frame member 22 is arranged along the X direction, and the covering portion 14j and the outer surface of the lid guide member 14 are arranged. The shelf portion 22e and the outer edge surface portion 22a of the lower frame member 22 are in contact with the portion 14e.

  Further, as shown in FIG. 8A, in the state where the inspection port 1a is closed by the lid 2, the base portion 22c of the lower frame member 22 is formed by the top portion 14g of the lid guide member 14 and the upper end portion of the standing wall portion 14d. It is in a supported state.

  Next, as shown in FIG. 8B, when the lid 2 is pulled to the + X side by the user, the lower frame member 22 also moves to the + X side. At this time, the flange portion 22d of the lower frame member 22 slides on the first inclined portion 14b of the lid guide member 14, and slides on the second inclined portion 14c beyond the top portion 14g. Then, the base portion 22c of the lower frame member 22 moves to the + X side while contacting the upper end portion of the standing wall portion 14d of the lid guide member 14 and the upper surface of the flange portion 14k (portion indicated by the arrow C). That is, when the flange portion 22d of the lower frame member 22 slides on the second inclined portion 14c, the lower frame member 22 is formed between the second inclined portion 14c, the upper end portion of the standing wall portion 14d, and the upper surface of the flange portion 14k. It is in a supported state.

  As shown in FIG. 8B, when the user performs an operation of removing the lid 2, the shelf portion 22e of the lower frame member 22 is separated from the covering portion 14j of the lid guide member 14 to the + X side. For this reason, in the state shown in FIG. 8B, since the rotation of the lid 2 is also suppressed as described above, it is possible to prevent the outer end portion of the outer edge surface portion 22 a of the lower frame member 22 from contacting the wall 1. can do.

  As shown in FIG. 8C, when the lid 2 is further pulled to the + X side by the user, the flange portion 22d of the lower frame member 22 slides on the second inclined portion 14c to the latching portion 14i. At this time, the lower surface of the base portion 22c of the lower frame member 22 is in contact with the upper end portion of the standing wall portion 14d of the lid guide member 14 (portion indicated by the arrow D). For this reason, also in this case, it can suppress that the outer side edge part of the outer edge surface part 22a of the lower frame member 22 contacts the wall 1. FIG.

  Further, in the state of FIG. 8C, even if the outer edge surface portion 22a of the lower frame member 22 is swung to the −Z side, the lower frame member 22 is brought into contact with the corner portion 14h by the base portion 22c of the lower frame member 22. The outer edge surface portion 22a is prevented from further swinging to the −Z side. For this reason, it is suppressed that the outer edge surface part 22a contacts the peripheral edge of the inspection port 1a in the wall 1, and it is suppressed that this peripheral edge gets a damage | wound or a dent arises.

  Further, in the present embodiment, the lid guide member 14 is disposed so that the standing wall portion 14d is arranged on the −X side (wall back side) from the center in the thickness direction of the wall 1 in the X direction. Moreover, it can suppress that the outer edge surface part 22a of the lower frame member 22 contacts the peripheral edge of the inspection port 1a in the wall 1.

  Furthermore, since the + Z side of the collar portion 22d that has reached the latching portion 14i is covered with the collar portion 14k, a situation in which it is undesirably detached from the latching portion 14i is suppressed.

  As described above, the rotation of the lid 2 stops when the tip end portion 25a of the kick spring 25 is hooked by the spring receiving member 13.

  The opening operation of the lid 2 is temporarily stopped in the state shown in FIGS. 7B and 8C. When the cover 2 is completely removed, it is possible for the user to release the latch of the kick spring 25.

8). Effect In the wall inspection port device 100 according to the present embodiment, the lid guide member 14 having the first inclined portion 14b, the second inclined portion 14c, the standing wall portion 14d, and the latching portion 14i on the lower peripheral surface 1c of the wall 1. Is provided. For this reason, when removing the lid 2 from the inspection port 1a, the lid 2 is lifted upward (+ Z side) in the section where the lower frame member 22 of the lid 2 slides on the first inclined portion 14b. To the indoor side).

  In the section where the lower frame member 22 of the lid 2 slides on the second inclined portion 14c, the lid 2 is guided to the + X side (inside the room) while being lowered to the −Z side (downward). Here, when the lower frame member 22 slides on the second inclined portion 14c, the lower frame member 22 is also supported by the upper end portion of the standing wall portion 14d and the upper surface of the flange portion 14k (see FIG. 8B). ).

  Thus, when the lower frame member 22 slides on the first inclined portion 14b and the second inclined portion 14c, the lower frame member 22 is also supported on the upper end portion of the standing wall portion 14d and the upper surface of the flange portion 14k. The rotation of the lid 2 is suppressed, and the lower frame member 22 of the lid 2 is separated from the peripheral edge of the inspection port 1a in the wall 1 in this state. Therefore, it can suppress that the lower frame member 22 contacts with respect to the surrounding edge of the inspection port 1a in the wall 1, and can suppress that the surrounding edge of the inspection port 1a gets a damage | wound, or a dent arises. .

  Therefore, in the wall inspection opening device 100 according to the present embodiment, it is possible to prevent the peripheral edge of the inspection opening 1a in the wall 1 from being damaged or dents even when the lid 2 is repeatedly opened and closed.

  Further, in the wall inspection port device 100 according to the present embodiment, as described with reference to FIG. 4, the top portion 14g of the lid guide member 14 is formed of a curved surface, so that the lower frame member 22 of the lid 2 has the top portion 14g. It can pass smoothly and the lid can be removed smoothly.

  Further, in the wall inspection port device 100 according to the present embodiment, the upper end position of the standing wall portion 14d in the lid guide member 14 is set to the same height as the top portion 14g, so that the flange portion 22d of the lower frame member 22 of the lid 2 is the first position. 2 When sliding on the inclined portion 14c, the lid 2 is difficult to rotate, and the contact of the lower frame member 22 to the opening edge of the wall 1 around the inspection port 1a can be avoided more reliably.

  Further, in the wall inspection port device 100 according to the present embodiment, the collar portion 22d of the lower frame member 22 is latched by the latching portion 14i of the lid guide member 14, and the collar portion 22d is related to the rotation of the lid 2. Since it becomes a fulcrum, the lid | cover 2 can be rotated centering | focusing on the collar part 22d. Therefore, the lid 2 can be smoothly rotated.

  Further, in the wall inspection port device 100 according to the present embodiment, since the flange portion 14k is formed to project from the upper end portion of the standing wall portion 14d toward the -X side (the back side of the wall), it is lower than the hooking portion 14i. The hook portion 22d of the frame member 22 can be reliably hooked, and the hook portion 22d of the lower frame member 22 can be prevented from being detached from the hook portion 14i when the lid 2 is rotated.

  Moreover, in the wall inspection port apparatus 100 which concerns on this embodiment, in the cover guide member 14, since the outer surface part 14e is formed so that a part of peripheral edge of the lower side of the inspection port 1a may be covered, from the inspection port 1a When the lid 2 is removed or attached, the outer surface portion 14e of the lid guide member 14 prevents the outer edge surface portion 22a of the lower frame member 22 from contacting the lower peripheral edge of the inspection port 1a. Therefore, in the wall inspection opening device 100 according to the present embodiment, even when the lid 2 is repeatedly opened and closed, the peripheral edge of the inspection opening 1a in the wall 1 is more reliably suppressed from being scratched or dented. it can.

  Further, in the wall inspection port apparatus 100 according to the present embodiment, since the covering portion is formed so as to cover a part of the lower peripheral surface 1c (region on the indoor side) of the inspection port 1a in the wall 1, the inspection port When the lid 2 is removed from or attached to 1a, the lower frame member 22 is also prevented from coming into contact with the lower peripheral surface 1c of the inspection port 1a. Therefore, in the wall inspection opening device 100 according to the present embodiment, even when the lid 2 is repeatedly opened and closed, the lower peripheral surface 1c of the inspection opening 1a on the wall 1 is surely damaged or dented. Can be suppressed.

  Further, in the wall inspection port device 100 according to the present embodiment, in the lid guide member 14, the corner portion 14h where the covering portion 14j and the outer surface portion 14e are abutted is formed of a curved surface. Smooth movement can be ensured even when the base portion 22c of the lower frame member 22 slides with respect to the corner portion 14h, for example, when the frame is removed.

  Further, in the wall inspection port device 100 according to the present embodiment, the lid guide member 14 is disposed so that the standing wall portion 14d is arranged in the thickness direction (X direction) of the wall 1 on the −X side (wall back side) from the center. Therefore, when removing the cover 2 from the inspection port 1a, it can suppress more reliably that the outer edge surface part 22a of the lower frame member 22 contacts the lower peripheral edge of the inspection port 1a.

  In the wall inspection port device 100 according to the present embodiment, the kick spring 25 is attached to the left and right frame members 23 and 24 of the lid 2, and the spring receiving member 13 is provided on the left and right peripheral surfaces 1 d and 1 e of the wall 1. Therefore, the end of the rotation of the lid 2 is restricted, and the rapid rotation of the lid 2 is suppressed.

[Modification 1]
The structure of the lid guide member 34 according to Modification 1 will be described with reference to FIG. In addition, the wall inspection port apparatus which concerns on this modification has the same structure as the wall inspection port apparatus 100 which concerns on the said embodiment except the structure of the lid guide member 34. FIG. Therefore, only the structure of the lid guide member 34 will be described below.

  Similarly to the lid guide member 14, the lid guide member 34 according to this modification is also formed using a metal plate material (for example, a galvanized steel plate). The lid guide member 34 also has a rectangular outer shape in plan view from the + Z side.

  As shown in FIG. 9, the lid guide member 34 includes a base portion 34a, a first inclined portion 34b, a second inclined portion 34c, a standing wall portion 34d, a covering portion 34j, a latching portion 34i, and an outer surface portion 34e. The base portion 34 a is a portion that is placed on the reinforcing frame member 11, similarly to the lid guide member 14, and has a hole 34 f for inserting a screw for fixing to the reinforcing frame member 11.

  The first inclined portion 34b is an inclined portion that forms an inclined surface that climbs from the −X side toward the + X side toward the + Z side. The second inclined portion 34c is an inclined portion that forms a downward slope from the −X side toward the + X side toward the −Z side. The inclination angle of the first inclined portion 34b and the inclination angle of the second inclined portion 34c are the same as those of the lid guide member 14.

  As shown in FIG. 9, the top 34 g where the first inclined portion 34 b and the second inclined portion 34 c are abutted is also formed of a curved surface in the lid guide member 34.

  The standing wall portion 34d is a wall portion that rises from the + X side end portion of the second inclined portion 34c toward the + Z side, and the upper end portion of the rising wall portion 34d is a butted portion (top portion 34g) between the first inclined portion 34b and the second inclined portion 34c. Are substantially the same height position (Z direction position).

  Also in the lid guide member 34, the latching portion 34i is formed at the corner portion between the upper surface of the second inclined portion 34c and the -X side surface of the standing wall portion 34d. Similarly to the case described with reference to FIG. 8C, the hook portion 34 i is a portion that hooks a part (the collar portion) of the lower frame member 22 when removing the lid 2.

  The covering portion 34j is a portion extending from the −Z side end portion (lower end portion) of the standing wall portion 34d to the + X side (a portion indicated by an arrow E). In the lid guide member 34 according to this modification, the covering portion 34j covers the inspection opening 1a with the lid 2 in a state of being in close contact with a part of the lower peripheral surface 1c of the wall 1. This is a structural difference from the lid guide member 14.

  The outer surface portion 34e is a portion that covers the peripheral edge of the inspection port 1a in the wall 1 and is formed by being bent from the + X side front end portion of the covering portion 34j. Also in the lid guide member 34 according to this modification, the corner portion 34h where the upper surface of the covering portion 34j and the + X side surface of the outer surface portion 34e are abutted is configured with a curved surface.

  In the lid guide member 34 according to this modification, the upper end position and the top part 34g of the standing wall part 34d are substantially the same height position in the Z direction.

  Also, in the lid guide member 34 according to this modification, a collar portion may be provided so as to protrude from the upper end portion of the standing wall portion 34d to the −X side.

  The wall inspection port device according to this modification is different from the wall inspection port device 100 according to the above embodiment in that the lid guide member 34 having the above-described structure is provided, but the same effect as described above can be obtained. That is, even in the wall inspection opening device according to this modification, even when the lid 2 is repeatedly opened and closed, the peripheral edge of the inspection opening 1a on the wall 1 can be prevented from being damaged or dented.

[Modification 2]
The structure of the lid guide member 44 according to Modification 2 will be described with reference to FIG. The wall inspection port device according to this modification also has the same structure as the wall inspection port device 100 according to the above embodiment, except for the structure of the lid guide member 44. Therefore, only the structure of the lid guide member 44 will be described below.

  The lid guide member 44 according to the present modification is also formed using a metal plate material (for example, a galvanized steel plate), like the lid guide member 14. Further, as shown in FIG. 10A, the lid guide member 44 also has a rectangular outer shape in plan view from the + Z side.

  As shown in FIGS. 10A and 10B, the lid guide member 44 includes a base portion 44a, a first inclined portion 44b, a second inclined portion 44c, a standing wall portion 44d, a latching portion 44i, and an outer surface portion 44e. . The base portion 44 a is a portion that is placed on the reinforcing frame member 11, similarly to the lid guide member 14, and has a hole 44 f for screw insertion for fixing to the reinforcing frame member 11.

  The first inclined portion 44b is an inclined portion that forms an inclined surface that climbs from the −X side toward the + X side toward the + Z side. The second inclined portion 44c is an inclined portion that forms a downward slope from the −X side toward the + X side toward the −Z side. The inclination angle of the first inclined portion 44b and the inclination angle of the second inclined portion 44c are the same as those of the lid guide member 14.

  As shown in FIG. 10B, the top portion 44 g where the first inclined portion 44 b and the second inclined portion 44 c are abutted is also formed of a curved surface in the lid guide member 44.

  In the lid guide member 44 in this modification, the standing wall portion 44d is configured such that the + X side end portion of the second inclined portion 44c is bent toward the + Z side. That is, in the lid guide member 44, the standing wall portion 44d is continuous only with the second inclined portion 44c. Also in this modification, the upper end portion of the standing wall portion 44d is substantially the same height position (Z-direction position) as the butted portion (the top portion 44g) between the first inclined portion 44b and the second inclined portion 44c.

  Also in the lid guide member 44, a latching portion 44i is formed at a corner portion (inner portion of the bend) between the upper surface of the second inclined portion 44c and the −X side surface of the standing wall portion 44d. Similarly to the case described with reference to FIG. 8C, the hook portion 44 i is also a portion that hooks a part of the lower frame member 22 (the collar portion) when the lid 2 is removed.

  Here, in the lid guide member 44 according to the present modification, a first inclined portion 44b, a second inclined portion 44c, and a standing wall portion 44d are formed by cutting and raising a part of one plate material. For this reason, the outer surface portion 44e is formed by bending a portion on the + X side that is not cut and raised in the plate material to the −Z side. The bend is made at a substantially right angle, and the outer surface portion 44e runs along the opening edge around the inspection port 1a with almost no gap.

  The wall inspection port device according to the present modification is also different from the wall inspection port device 100 according to the above-described embodiment in that the lid guide member 44 having the above-described structure is provided. That is, even in the wall inspection opening device according to this modification, even when the lid 2 is repeatedly opened and closed, the peripheral edge of the inspection opening 1a on the wall 1 can be prevented from being damaged or dented.

  Note that the lid guide member 44 according to this modification may also be provided with a collar so as to protrude from the upper end portion of the standing wall portion 44d toward the -X side.

[Other variations]
In the said embodiment, although the opening shape of the inspection port 1a was made into square, this invention is not limited to this. For example, it may be a polygon having five or more corners, or only the lower side may be a straight line and the other may be a curved line.

  In the above-described embodiment, the lid guide member 14 having the flange portion 14k that protrudes from the upper end portion of the standing wall portion 14d toward the -X side (the back side of the wall) is employed. However, the present invention is limited to this. Not receive. In the lid guide member, the collar portion is not an essential configuration.

  In the above embodiment, the two kick springs 25 are attached to the lid 2, but the present invention is not limited to this. For example, one kick spring may be attached to the lid 2.

  Moreover, it is good also as attaching a kick spring to the surrounding surface around the inspection opening in a wall, and attaching a spring receiving member to a lid | cover.

  Moreover, it is good also as attaching a wire, a string, etc. to a lid | cover or a wall instead of a kick spring.

  In the above embodiment, the lid guide member 14 is attached to the reinforcing frame member 11, but the present invention is not limited to this. For example, it is good also as fixing a bracket to the back surface side of a wall, and attaching a lid guide member to the said bracket.

  In the above embodiment, the two lid guide members 14 are attached to the lower peripheral surface 1c of the wall 1, but the present invention is not limited to this. For example, only one lid guide member may be attached, or three or more lid guide members may be attached.

  In the said embodiment, although the cover 2 was comprised with the one surface member 20 and the four frame members 21-24, this invention is not limited to this. For example, it is good also as comprising the whole lid | cover from one metal plate.

  Moreover, in the said embodiment, although the frame members 21-24 were formed using the aluminum alloy which is an example of a metal material, this invention is not limited to this. That is, a frame member made of a material harder than the wall such as ceramics can be adopted, or a frame member made of a material softer than the wall (for example, a resin material) can be adopted.

  In the above embodiment, the locking structure of the lid 2 with respect to the wall 1 is not particularly mentioned, but a mechanism for locking the lid in a state where the inspection port is closed may be provided. For example, push-pull rivets or the like can be used, or screws can be used. Moreover, it is good also as providing the key part for a lock | rock.

  In the said embodiment, although it decided to employ | adopt the wall 1 which affixed the wall cloth on the surfaces, such as a gypsum board, this invention is not limited to this. For example, a concrete wall or a metal wall may be employed.

  Even when a metal wall is used, there is a concern that the opening edge around the inspection port may be scratched or dented when the lid is repeatedly opened and closed, but the configuration of the present invention is adopted. Can prevent such problems.

DESCRIPTION OF SYMBOLS 1 Wall 1a Inspection port 2 Lid 13 Spring receiving member 14,34,44 Lid guide member 14b, 34b, 44b 1st inclination part 14c, 34c, 44c 2nd inclination part 14d, 34d, 44d Standing wall part 14e Outer surface part 14g, 34g 44g Top portion 14h Corner portion 14i, 34i, 44i Hook portion 14k Hook portion 22 Lower frame member 22a Outer edge surface portion 22c Base portion 22d Hook portion 22e Shelf portion 25 Kick spring

Claims (8)

A lid that can be attached to and detached from the inspection opening opened in the wall separating the room and the back of the wall,
A lid guide member that is provided on a lower peripheral surface of the inspection port in the wall and guides a lower frame portion of the lid when the lid is removed from the inspection port;
With
The lid guide member is
A first inclined portion for guiding the lower frame portion of the lid to the indoor side and upward when removing the lid;
A second inclined portion that is formed on the indoor side of the first inclined portion and guides the lower frame portion of the lid to the indoor side and downward when removing the lid;
A standing wall portion that is formed on the indoor side with respect to the second inclined portion and is erected upward;
A hooking portion provided at a corner portion where the second inclined portion and the standing wall portion are brought into contact with each other, and hooking a lower frame portion of the lid so that the lid can rotate;
Having
Wall inspection device. The wall inspection port device according to claim 1,
The top portion where the first inclined portion and the second inclined portion are abutted is configured by a curved surface,
Wall inspection device. The wall inspection port device according to claim 2,
The upright wall portion is provided such that the upper end portion is at the same height as the top portion.
Wall inspection device. The wall inspection port device according to claim 3,
The lower frame portion of the lid has a flat plate-like base portion that extends to the back of the wall along the lower peripheral surface of the inspection port, and a flange portion that is continuous with the base portion and formed in a downward hook shape,
At the time of removing the lid, the flange portion slides on the first inclined portion and the second inclined portion, and becomes a fulcrum related to the rotation in a state of being hooked by the hook portion.
Wall inspection device. The wall inspection port device according to any one of claims 1 to 4,
The lid guide member further has a flange portion that is formed to project from the upper end portion of the standing wall portion toward the back side of the wall and covers the upper portion of the hook portion in a hook shape.
Wall inspection device. The wall inspection port device according to any one of claims 1 to 5,
The lid guide member includes a covering portion extending toward the indoor side so as to cover a part of the lower peripheral surface of the inspection port from a portion of the standing wall portion on the indoor side, and An outer surface portion that is bent downward from the end portion on the indoor side and is formed so as to cover a part of the peripheral edge on the lower side of the inspection port.
Wall inspection device. The wall inspection port device according to claim 6,
The standing wall portion is arranged on the back side of the wall from the center in the thickness direction of the wall.
Wall inspection device. The wall inspection port device according to any one of claims 1 to 7,
A kick spring is attached to the side frame portion of the lid, with both ends extending toward the wall back side,
On the side peripheral surface of the inspection port in the wall, a spring receiving member that holds both ends of the kick spring is provided.
Wall inspection device.

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