JP2012144912A - Inspection port structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inspection port structure for which a manufacturing cost of pressing means is suppressed.SOLUTION: The inspection port structure includes a frame body 2 whose cross section is roughly inverse T shape and planar shape is rectangular, and the frame body 2 includes an oblong hole 10 and a through-hole 11 respectively near the upper end of a rising wall 4 and on the side of an opening 3 of an overhang part 7. A support member 12 is formed of a linear body so as to include a downward one end bend part 13 to be inserted to the through-hole 11 provided on the overhang part 7, a hook part 14 slightly bent and hooked to the oblong hole 10 formed near the upper end of the rising wall 4 at the distal end of the downward one end bend part 13, and a downward other end bend part 16 connected to the upper end of the downward one end bend part 13 and pressing downwards a ceiling finishing material 18 whose lower surface is abutted to a plate part 6 which is a lower end outer side overhang part of the frame body 2. By rotating the support member 12, the ceiling finishing material 18 is pressed to the plate part 6 of the frame body 2 at the distal end of the other end bend part 16.

Description

  The present invention relates to an inspection port structure provided on the ceiling or wall of a building.

  Patent Document 1 describes an inspection port structure installed on the ceiling of a building. The inspection port structure of Patent Document 1 includes a lid that is placed on a plate portion that projects from the peripheral side wall portion of the inner frame to the inside of the inner frame. The lid is pressed against the inner frame by pressing means on at least one pair of opposing sides of the inner frame. The pressing means includes a plate body installed on the peripheral side wall of the inner frame, and a support member that is supported by the plate body and presses the lid body to the plate portion side of the inner frame. The plate body is installed on the outer surface of the peripheral side wall of the inner frame in a state where the upper end is engaged with the flange portion on the outer side of the upper end of the inner frame. The support member includes a one-end bent portion that is supported by the plate body while being inclined with respect to the vertical line, and an other-end bent portion that presses the lid against the plate portion side of the inner frame. When the support member is rotated about the one-end bent portion, the tip of the other-end bent portion that moves in an arc shape comes into contact with the lid and presses the lid against the plate portion of the inner frame.

JP 2001-107551 A

  In the inspection port structure described in Patent Document 1, since the pressing means is composed of two parts, a plate part that contacts the outer surface of the peripheral side wall part of the inner frame and a support member made of a linear body, the manufacturing cost of the pressing means There is a problem that increases.

  An object of the present invention is to solve such a problem and to provide an inspection port structure in which the manufacturing cost of the pressing means is suppressed.

  In order to solve this problem, the present invention is an inspection port structure provided in an opening formed in a ceiling of a building, attached to the opening, having a substantially inverted T-shaped cross section and a rectangular planar shape. The frame is provided with support member mounting holes adjacent to each other in the vicinity of the upper end of the rising wall and a protruding portion slightly projecting inside the opening at the upper end of the rising wall. A member is attached to a support member attaching hole formed in the overhanging portion, a downward one-end bent portion, and a support member attachment formed near the upper end of the rising wall by being slightly bent at the tip of the downward one-end bent portion. The ceiling finishing material that is connected to the upper end of the hooked portion that hooks into the hole for use and the one end bent portion that faces downward, and whose lower surface abuts on the lower end outside projecting portion of the frame body, faces downward. It is formed of a linear body so as to have a downward other end bent portion to be pressed, and by rotating this support member, the ceiling finishing material is pressed against the lower end outer projecting portion of the frame body at the tip of the other end bent portion. It is a thing. The present invention is also an inspection port structure provided in an opening formed in a wall of a building, which is attached to the opening, and is a top plate portion having a substantially T-shaped cross section and a T-shaped front surface. It is provided with a rectangular frame formed, and this frame is close to the end part of the rising wall rising from the center of the plate part and the projecting part slightly protruding outside the opening part of the end part of the rising wall. The support member mounting hole is provided, and the support member is bent slightly at one end of the laterally bent portion inserted into the support member mounting hole formed at the projecting portion and one end of the laterally bent end portion. A hook portion hooked to a support member mounting hole formed near the upper end of the rising wall, and the other end of the laterally bent one end bent portion, and the inner side tension of the plate portion of the frame body The frame board material whose surface abuts against the protruding portion is formed by a linear body so as to have a horizontal other end bent portion that presses the frame board material in the horizontal direction, and by rotating this support member, the tip of the other end bent portion The frame board material is pressed against the plate portion inner overhanging portion of the frame body.

  According to the first aspect of the present invention, the support member can be a linear body provided with a bent portion at one end, a hook portion, and a bent portion at the other end, and the inspection port structure can be provided with reduced manufacturing cost of the support member. Can do.

It is sectional drawing of the state in which the ceiling inspection port which concerns on 1st Embodiment was installed. It is an expanded sectional view of the state where the support member was attached to the frame. It is a front view of a supporting member. It is a top view of a supporting member. It is a front view which shows the attachment state of a supporting member. It is an expanded sectional view of the state where the support member was engaged with the frame. It is sectional drawing of the state in which the wall inspection port which concerns on 2nd Embodiment was installed. It is an expanded sectional view of the state where the support member was attached to the frame.

  Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. The ceiling inspection port 1 is attached to an opening 3 formed on the ceiling of the building, and engages with the frame 2, the frame board material 9 placed on the frame 2, and the frame body 2, and the field receiver 15. And a supporting member 12 to be pressed. The frame 2 is formed of an extruded aluminum material, and the shape of the opening 3 when viewed from the indoor side is a frame-like square. The cross section of the frame 2 is formed in a substantially inverted T shape, and the plate portions 5 and 6 projecting inward and outward of the opening 3 are formed at the lower end of the rising wall 4 formed in the vertical direction. And a protruding portion 7 that slightly protrudes inward and outward of the rising wall 4 is provided at the upper end of the rising wall 4.

  The frame board material 9 is placed on the upper surface 8 side of the plate portion 5 projecting inwardly at the lower end of the frame body 2. Near the upper end of the rising wall 4, a plurality of long holes 10 for screwing the conventional frame 2 to the outer peripheral edge of the opening 3 are provided. The long hole 10 is formed in an elongated shape along the longitudinal direction of the rising wall 4 which is the horizontal direction. Further, a through-hole 11 through which the support member 12 is inserted is provided in a portion above the long hole 10 and protruding inward of the overhanging portion 7. The through hole 11 is punched by, for example, punching and is formed in the vertical direction along the rising wall 4.

  The support member 12 is formed of a linear metal, is formed in a linear shape in the vertical direction and is inserted into the through-hole 11, and the orientation of the support member 12 is changed substantially perpendicularly to the lower end of the one-end bent portion 13. A hook portion 14 that is provided continuously and engages with the elongated hole 10 and a second end bent portion 16 that is connected to the upper end of the one end bent portion 13 and presses the field edge receiver 15 are provided. The hook portion 14 has a length that can be accommodated in the long hole 10 without contacting the peripheral edge portion of the long hole 10 when the hook portion 14 is rotated around the one-end bent portion 13. The other end bent portion 16 is connected to the one end bent portion 13 through the connecting portion 19 and has a linear shape substantially in the vertical direction.

  FIG. 5 is a front view showing a state in which the height of the lower end portion 17 of the other end bending portion 16 changes as the support member 12 rotates. In a state where the one-end bent portion 13 is inserted into the through-hole 11 and the hook portion 14 is engaged with the long hole 10, the one-end bent portion 13 is inclined by the inclination angle A from the vertical direction to the longitudinal direction of the frame body 2. In the present embodiment, the inclination angle A is approximately 15 °. When the support member 12 rotates about the one end bent portion 13, the lower end portion 17 of the other end bent portion 16 moves in an arc shape on a plane inclined by about 15 ° in the longitudinal direction of the frame body 2 from the horizontal plane. When the upper surface of the field receiver 15 is at a high position as shown by 25a, the support member is at the position 12a, the lower end 17 abuts against the upper surface 25a of the field receiver 15, and the upper surface of the field receiver 15 is 25b. When the support member is at a low position, the lower end portion 17 abuts on the upper surface 25b at the position 12b. The user thus rotates the support member 12 to a position corresponding to the height of the field receiver 15 and brings the lower end 17 into contact with the upper surfaces 25 a and 25 b of the field receiver 15. As a result, the plate portion 6 projecting outward from the opening 3 of the frame 2 can be pressed against the ceiling finishing material 18 to fix the frame 2 to the opening 3.

  The inclination angle A is not limited to 15 °. When the inclination angle A is reduced, it becomes easier to adjust the force with which the lower end portion 17 of the support member 12 is brought into contact with the upper surfaces 25a and 25b of the field receiver 15, and when the inclination angle A is increased, the height of the field receiver 15 is different. It can be used for a plurality of ceiling inspection ports 1 and the number of parts can be reduced.

  FIG. 6 is an enlarged cross-sectional view of a state in which the one-end bent portion 13 and the catch portion 14 of the support member 12 are engaged with the through hole 11 and the long hole 10, respectively. In a state where the lower end portion 17 of the other end bent portion 16 is in contact with the field receiver 15, the outer surface 20 of the one end bent portion 13 is in contact with the inner surface 21 of the through hole 11, and the outer surface 22 of the one end bent portion 13 is a long hole. 10 is in pressure contact with the peripheral portion 23. Further, the catch portion 14 is engaged with the long hole 10. This prevents the support member 12 from falling off the frame 2 when a force is applied to the support member 12 from the outside.

  As described above, the support member 12 is a metal linear body having the one end bent portion 13, the catch portion 14, and the other end bent portion 16, and the existing long hole 10 formed in the frame body 2 is used. Since the support member 12 can be attached, the manufacturing cost of the ceiling inspection port 1 can be reduced.

  Here, the installation procedure of the ceiling inspection port 1 will be described. The support member 12 is inserted through the through-hole 11, and the catch portion 14 of the support member 12 is accommodated in the long hole 10. Next, the support member 12 is rotated about the one-end bent portion 13 to lower the other-end bent portion 16, and the lower end portion 17 of the other end bent portion 16 is brought into contact with the upper surface 25 of the edge receiver 15. When the lower end portion 17 comes into contact with the upper surface 25 of the field receiver 15, the plate portion 6 projecting outward from the opening 3 of the frame 2 is pressed against the ceiling finishing material 18, and the frame 2 is opened to the opening 3. Fixed to.

  After the plurality of support members 12 attached to the frame 2 are fixed in order and the frame 2 is installed in the opening 3, the frame board material 9 is extended to the upper surface 8 of the plate 5 that projects inwardly at the lower end of the frame 2. Place. In this way, the ceiling inspection port 1 is attached.

  Next, a second embodiment of the present invention will be described with reference to FIGS. A description of the same parts as those in the first embodiment will be omitted. The present embodiment relates to the wall inspection port 31. The frame 32 is attached to the opening 33 formed on the wall and facing in the horizontal direction. The frame 32 has a T-shaped transverse cross section, and is rectangular with T-shaped upper plates 35 and 36 projecting inward and outward of the opening 33 when the opening 33 is viewed from the indoor side. The plate portion 36 that projects outward from the opening 33 is screwed to the peripheral edge of the opening 33. A protruding portion 37 that slightly protrudes inward and outward of the rising wall 34 is provided at the end of the rising wall 34 that forms the T-shaped vertical plate portion. A long hole 40 is provided in the vicinity of the end portion of the rising wall 34, and a through hole 41 is provided in a portion on the back side of the long hole 40 and protruding outward from the overhanging portion 37. The through hole 41 is formed in the horizontal direction along the rising wall 34.

  The support member 12 engaged with the frame body 32 abuts on the upper surface of the frame board material 9 and presses and fixes the frame board material 9 against the upper surface 38 of the plate portion 35. When the frame board material 9 is fixed to the frame body 32 using the support member 12 as described above, the through hole 41 is provided in a portion protruding outward from the overhang portion 37. In the first embodiment, By forming the frame 32 in a state in which the sides of the frame 2 described above are reversed inward and outward and the plate portion 5 is extended outward and the plate portion 6 is extended inward, the ceiling inspection port can be formed from the same member. One frame body 2 and a frame body 32 of the wall inspection port 31 can be formed.

  In this way, the inspection port structure is provided in the opening 3 formed on the ceiling of the building, and the frame 2 is attached to the opening 3 and has a substantially inverted T-shaped cross section and a rectangular planar shape. The frame body 2 is provided with support member mounting holes 10 and 11 in the vicinity of the upper end of the rising wall 4 and the protruding portion 7 slightly projecting inside the opening at the upper end of the rising wall 4, respectively. The member 12 is slightly bent at the end of the downward one end bent portion 13 inserted into the through hole 11 which is a support member mounting hole formed in the overhang portion 7 and the upper end of the rising wall 4. A hooking portion 14 that hooks into a long hole 10 that is a supporting member mounting hole formed in the vicinity, and a lower end outer projecting portion of the frame body 2 that is connected to the upper end of the downward one-end bent portion 13. The other end bent portion 16 is formed by a linear body so as to include a downward other end bent portion 16 that presses the ceiling finishing material 18 whose lower surface is in contact with the plate portion 6 downward, and by rotating the support member 12. Since the ceiling finishing material 18 is pressed against the plate portion 6 of the frame body 2 at the tip, the support member 12 may be a linear body including the one end bent portion 13, the catch portion 14, and the other end bent portion 16. In addition, it is possible to provide a ceiling inspection port structure in which the manufacturing cost of the support member 12 is suppressed.

  Furthermore, it is an inspection port structure provided in the opening 33 formed on the wall of the building, and is attached to the opening 33, and is formed by an upper plate portion having a substantially T-shaped cross section and a T-shaped front surface. A rectangular frame 32 is provided, and each of the frames 32 has a protruding portion 37 that slightly protrudes near the end of the rising wall 34 rising from the center of the plate portion and outside the opening at the end of the rising wall 34. The supporting member mounting holes 40 and 41 are provided close to each other, and the supporting member 12 is inserted into a through hole 41 which is a supporting member mounting hole formed in the overhanging portion 37, and the laterally bent portion 13 and the lateral direction thereof. A hook portion 14 that is slightly bent at one end portion of the one-end bent portion 13 and hooked into a long hole 40 that is a support member mounting hole portion formed near the upper end of the rising wall 34; and The other end bent portion 16 in the horizontal direction is connected to the other end portion of the one end bent portion 13 in the direction and the frame board material 9 whose surface abuts against the plate portion 35 that is the overhanging portion of the plate portion of the frame body 32 is pressed in the horizontal direction. Since the frame board material 9 is pressed against the plate portion 35 of the frame body 32 at the tip of the other end bent portion 16 by rotating the support member 12, the support member 12 is provided. 12 can be a linear body provided with the one end bent portion 13, the hook portion 14, and the other end bent portion 16, and a wall inspection port structure in which the manufacturing cost of the support member 12 can be suppressed.

DESCRIPTION OF SYMBOLS 1 Ceiling inspection port 2,32 Frame body 3,33 Opening part 4,34 Standing wall 5,6,35,36 Plate part 7,37 Overhang part 8,24,25,38 Upper surface 9 Frame board material 10,40 Long hole DESCRIPTION OF SYMBOLS 11, 41 Through-hole 12 Support member 13 One end bending part 14 Hook part 15 Field edge receiving part 16 Other end bending part 17 Lower end part 18 Ceiling finishing material 19 Connection part 20,22 Outer surface 21 Inner surface 23 Peripheral part 31 Wall inspection port

Claims (2)

An inspection port structure provided in an opening formed in the ceiling of a building,
It is attached to the opening and has a frame with a substantially inverted T-shaped cross section and a rectangular planar shape. The frame slightly protrudes near the upper end of the rising wall and inside the opening at the upper end of the rising wall. Supporting member attaching holes are provided in close proximity to the projecting parts, and the supporting member is a downward one-end bent part inserted into the supporting member attaching hole formed in the projecting part and the downward one-end bent part. A lower part is connected to the upper end of the downward one-end bent part and is hooked to the support member attaching hole formed near the upper end of the rising wall and is bent slightly at the tip of the lower wall. It is formed of a linear body so as to have a bent portion at the other end that presses the ceiling finishing material that abuts downward, and this support member is rotated. Inspection port structure is characterized in that the tip of the other end bent portion was pressed against the ceiling finish to the lower outer projecting portion of the frame by. An inspection port structure provided in an opening formed in a wall of a building,
A rectangular frame that is attached to the opening and has a substantially T-shaped cross section in cross section and is formed by an upper plate having a T-shaped front surface. The frame has a rising wall that rises from the center of the plate. A support member mounting hole is provided close to each other in the vicinity of the end of the projection and the projecting portion slightly projecting outside the opening at the end of the rising wall, and the support member is a support member formed in the projecting portion. A laterally bent portion inserted into the mounting hole, and a hooking portion that is slightly bent at one end of the laterally bent portion and hooked to the supporting member mounting hole formed near the upper end of the rising wall; and The frame board material that is connected to the other end portion of the one-side bent portion in the horizontal direction and whose surface abuts against the plate portion inner overhang portion of the frame body is horizontally oriented to press horizontally. It is formed by a linear body so as to have an end bent portion, and the support board is rotated so that the frame board material is pressed against the plate portion inner side protruding portion of the frame body by rotating the other end bent portion. Inspection port structure characterized by.

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