JP5511243B2 - Wall inspection port - Google Patents

Description

  The present invention relates to a wall inspection port provided on the wall of various structures such as buildings and ships.

  As this kind of conventional wall inspection port, for example, as disclosed in Patent Document 1, an outer frame body attached to an opening portion opened in a wall body of a structure, and a hinge shaft at an opening portion of the outer frame body. There is known an inner frame body that can be opened and closed by a hinge means that has a lid plate that closes an opening to the inner frame body.

Japanese Patent No. 3378488

  The above-described conventional wall inspection port configuration, that is, the configuration of a wall inspection port composed of an outer frame and an inner frame, is adopted, and the hinge shaft for connecting the outer frame and the inner frame is positioned at the upper ends of the outer frame and the inner frame. When the wall inspection port is configured with a lock means that holds the closed state of the inner frame at the lower end of the outer frame and the inner frame, when the lock means is released to open the inner frame, the inner frame Is in a state of being housed in the outer frame due to its own weight, and in order to open the inner frame forward, a grip piece must protrude from the inner frame, and when the grip piece protrudes from the inner frame, When the inspection work is performed by opening the inner frame and entering the wall inspection port, there is a problem that there is a risk that the protruding portion of the gripping piece may be caught on clothes or the body.

  The object of the present invention is to solve such a problem, and it is not necessary to provide a grip piece on the inner frame to open the inner frame, and it is caught on clothes and the body because there is no protrusion when performing inspection work. It is to provide a wall inspection port without danger.

The wall inspection port according to claim 1 of the present invention includes an outer frame that is fitted in and attached to an opening formed in the wall of the structure, and a horizontal axis that is fitted in the outer frame and is located in the vicinity of the upper ends of both left and right sides. It consists of an inner frame that is pivotally supported by the outer frame so as to be rotatable around the core, and a lid plate that is attached to the inner frame so as to close the opening of the inner frame. a lock portion for holding the closed state, Ri Na includes an elastic body for urging to pivot about said axis in a direction of projecting the inner frame from the outer frame,
Both the outer frame and the inner frame are formed into a rectangular shape such as a square or a rectangle by combining molds having a substantially T-shaped cross section, and both the outer frame mold material and the inner frame mold material are directed toward the indoor side. A plate portion projecting from the center of the width direction of the plate portion at a right angle with respect to the plate portion, and projecting at a right angle from the −-shaped plate portion in the upper horizontal portion of the inner frame The upper end of the upper portion of the outer frame protrudes from the plate portion toward the rear surface side and is inclined toward the rear surface side. the elastic body abuts is characterized that you have installed.

  As described above, the wall inspection port of the present invention is formed on the wall of the structure because it is urged by the elastic body so that the inner frame rotates in a direction slightly protruding from the lower end of the outer frame. When opening the wall inspection port fitted in the opening, the lock of the lock part is released, and the lock of the inner frame with respect to the outer frame is released. As a result, the lower end side protrudes greatly from the outer frame, so that the inner frame can be lifted and opened easily in this state. As a result, there is no need to provide a grip piece on the inner frame to open the inner frame, and it is possible to provide a wall inspection port that is free from danger such as being caught on clothes or the body because there is no protrusion when performing inspection work. it can.

It is a disassembled perspective view of the wall inspection port in one embodiment of this invention. It is a front view in the state where the inner frame of the same wall inspection port was closed. It is a transverse cross section in the state where the inner frame of the wall inspection mouth was closed. It is a longitudinal cross-sectional view in the state where the inner frame of the same wall inspection port was closed. It is a longitudinal cross-sectional view in the state where the lock | rock of the inner frame of the same wall inspection port is cancelled | released.

Hereinafter, an embodiment of the present invention will be specifically described with reference to FIGS.
In the figure, for example, a wall inspection port 3 fitted into and attached to an opening 2 formed in a wall 1 of a building interior is fitted into an outer frame 4 made of aluminum and this outer frame 4. Similarly, it is composed of an inner frame 5 made of aluminum and a cover plate 6 attached to the inner frame 5 so as to close the opening of the inner frame 5. The shaft 7 protruding horizontally outward is supported by a bearing member 8 provided inside the vicinity of the upper end of both left and right sides of the outer frame 4, thereby rotating around the horizontal axis and opening and closing with respect to the outer frame 4. It can be done.

  The outer frame 4 is formed into a rectangle such as a square or a rectangle by combining molds having a substantially T-shaped cross section, and the inner frame 5 is also formed into a rectangle such as a square or a rectangle by combining molds having a substantially T-shaped cross section. It is made. That is, both the mold material of the outer frame 4 and the mold material of the inner frame 5 project toward the indoor side, and project at right angles to the plate parts 4a and 5a from the center in the width direction of the plate parts 4a and 5a. It is comprised from the provided board parts 4b and 5b.

  As described above, the wall inspection port 3 including the outer frame 4 and the inner frame 5 is configured to close the opening surrounded by the plate portion 4 a of the outer frame 4 with the inner frame 5, and is surrounded by the plate portion 4 a of the outer frame 4. In order to maintain a state in which the opening to be closed is closed by the inner frame 5, a coin lock portion 9 is provided on the plate portion 5a in the lower horizontal portion of the inner frame 5, and a groove of the coin lock portion 9 is formed from the surface side of the plate portion 5a. By engaging a coin or the like with 9a and rotating the shaft portion 9b, the locking piece 9c located on the back surface side of the plate portion 5a is locked to the back surface of the plate portion 4a of the outer frame 4. A step 4c is formed on the upper edge of the plate portion 4a at the lower end horizontal portion of the outer frame 4 so as to protrude to the rear surface side. When the inner frame 5 is closed, the plate portion at the lower end horizontal portion of the inner frame 5 The lower edge of 5a is comprised so that it may contact | abut on the level | step difference 4c.

  By the way, in the present embodiment, the upper end that protrudes from the plate portion 5b to the back surface side and inclines so as to become higher toward the back surface at the left and right sides of the upper surface of the plate portion 5b in the upper end horizontal portion of the inner frame 5 An elastic body 10 made of a leaf spring that is in contact with the lower side of the rear end of the plate portion 4b at the upper horizontal portion of the frame 4 is attached by screws 11 and the lower end of the inner frame 5 is still outside even when the inner frame 5 is closed. The inner frame 5 is urged in a direction slightly protruding from the lower end of the frame 4.

  The wall inspection port 3 having such a configuration is fitted into and attached to the opening 2 formed in the wall 1 in the room of the building. Specifically, the width of the outer frame 4 faces the outside of the plate portion 4a. The back surface of almost half of the direction is in contact with the surface of the wall 1 around the opening 2 and the plate portion 4b is fitted into the opening 2 formed in the wall 1 so that the crosspiece 12 positioned on the back side of the wall 1 The plate portion 4b is fixed to the screw 13. The inner frame 5 can be opened and closed with respect to the outer frame 4 with the shaft 7 supported by bearing members 8 on both the left and right sides of the outer frame 4.

  In the above configuration, when opening the wall inspection port 3 that is fitted into and attached to the opening 2 formed in the wall 1 in the building interior, the outer frame 4 is turned by turning the shaft 9b of the coin lock portion 9. The lock of the inner frame 5 with respect to the outer frame 4 is released by releasing the locking of the locking piece 9c with respect to the back surface of the plate portion 4a. Simultaneously with this release, the inner frame 5 is rotated around the shaft 7 in a direction slightly protruding from the outer frame 4 by the elastic body 10, and the inner frame 5 can be lifted and opened in this state.

  In the embodiment shown in the drawings, the elastic body 10 is made of a leaf spring. However, an elastic body made of a synthetic resin or a wire may be used as long as it performs the same action as the leaf spring. good.

  The wall inspection port of the present invention is a wall inspection port provided on the wall of various structures such as buildings and ships.

DESCRIPTION OF SYMBOLS 1 Wall 2 Opening part 3 Wall inspection port 4 Outer frame 4a, 4b Plate part 4c Level difference 5 Inner frame 5a, 5b Plate part 6 Cover plate 7 Shaft 8 Bearing part 9 Coin lock part 9a Groove 9b Shaft part 9c Locking piece 10 Elasticity Body 11 Screw 12 Crosspiece 13 Screw

Claims (1)

An outer frame that is fitted in and attached to an opening formed in the wall of the structure, and is pivotally supported by the outer frame so as to be able to rotate around a horizontal axis core in the vicinity of the upper ends of both left and right side portions. The inner frame and a cover plate attached to the inner frame so as to close the opening of the inner frame, and provided with a lock part for holding the opening surrounded by the outer frame closed by the inner frame. Ri Na includes an elastic body for urging to pivot about said axis in a direction to protrude from the outer frame, and
Both the outer frame and the inner frame are formed into a rectangular shape such as a square or a rectangle by combining molds having a substantially T-shaped cross section, and both the outer frame mold material and the inner frame mold material are directed toward the indoor side. A plate portion projecting from the center of the width direction of the plate portion at a right angle with respect to the plate portion, and projecting at a right angle from the −-shaped plate portion in the upper horizontal portion of the inner frame The upper end of the upper portion of the outer frame protrudes from the plate portion toward the rear surface side and is inclined toward the rear surface side. It said wall inspection port, wherein that you have the elastic body is attached to contact.

Images