JP7016011B2 - Materials for basic inspection port - Google Patents

Description

The present invention relates to a member for a foundation inspection port used in a building.

Conventionally, for example, in a house in a cold region, an airtight structure is used under the floor in order to improve heat retention. In particular, the underfloor of the bathroom using a unit bath or the like has an airtight structure to block the intrusion of cold air.

By the way, even when the underfloor is made airtight, it is necessary to provide an inspection port on the foundation in order to carry out the inspection work under the floor. (See, for example, Patent Documents 1 and 2).

Utility Model Registration No. 3078345 Gazette Japanese Patent No. 5281813

By the way, as shown in FIG. 11, the foundation inspection port member 101 for forming the conventional foundation inspection port into an airtight structure is integrated with the cloth foundation F on the indoor side when the cloth foundation F is constructed. It is configured to be composed of a frame member 102 to be installed and a lid member 103 attached to the opening of the frame member 102.

As described above, since the conventional basic inspection port member 101 is composed of at least two members, the frame member 102 and the lid member 103, the frame member 102 and the lid are used to ensure airtightness. It is necessary to strongly fit the member 103, and there is a problem that the lid member 103 is difficult to attach / detach and is difficult to handle.

In view of the problems of the conventional basic inspection port member, the present invention provides a basic inspection port member that is easy to handle while ensuring airtightness when the basic inspection port member is composed of two members. The first purpose is to do.

A second object of the present invention is to provide a member for a foundation inspection port that is easy to handle and has good workability when constructing a cloth foundation by forming the member for the foundation inspection port with a single member. And.

In order to achieve the first object, the foundation inspection port member of the first invention is a foundation inspection port member installed so as to be integrated with the foundation when constructing the foundation, and is an outer frame portion. And a partition wall portion to be fitted inside the outer frame portion, and by fitting the partition wall portion into the outer frame portion, the airtight state of the inspection port portion formed by the opening of the outer frame portion is maintained. At the same time, a groove parallel to the side surface from the front side to the rear surface side of the partition wall portion and holding portions on both sides of the groove along the groove are formed at both side ends of the front surface of the partition wall portion.

In this case, a fitting locking portion can be provided on the inner surface of the outer frame portion and the outer surface of the partition wall portion.

Further, the rear surface side of the outer peripheral surface of the partition wall portion is formed of a tapered surface, and a bulging portion is formed at a portion where the groove of the tapered surface portion opens, and the bulging portion is formed on the rear surface side of the outer peripheral surface of the outer frame portion. It is possible to form a recessed portion into which the taper fits.

Further, in order to achieve the above-mentioned second object, the foundation inspection port member of the second invention is a foundation inspection port member installed so as to be integrated with the foundation when constructing the foundation, and is outside. A frame portion and a partition wall portion integrally provided via an easily broken portion formed along the inner circumference of the outer frame portion are provided, and the partition wall portion is separated from the outer frame portion by breaking the easily broken portion. It is characterized in that the separated partition wall portion is fitted into the outer frame portion to maintain the airtight state of the inspection port portion formed by the opening of the outer frame portion.

In this case, the front side and the back side of the partition wall portion can be inverted and fitted into the outer frame portion.

Further, at least one of the inner peripheral surface of the outer frame portion and the outer peripheral surface of the partition wall portion is formed of a tapered surface, and the separated partition wall portion is fitted into the outer frame portion so that the tapered surface comes into contact with the other surface. Can be done.

Further, it is possible to form a recess on the outer peripheral surface of the outer frame portion into which the cast foundation concrete enters.

The basic inspection port member of the first invention is a partition wall in which a basic inspection port member installed so as to be integrated with the foundation when constructing the foundation is fitted into an outer frame portion and the inside of the outer frame portion. By providing a portion and fitting the partition wall portion into the outer frame portion, the airtight state of the inspection port portion composed of the opening of the outer frame portion is maintained, and both end portions on the front surface of the partition wall portion are provided. When the basic inspection port member is composed of two members by forming a groove parallel to the side surface from the front side to the rear surface side of the partition wall portion and holding portions on both sides of the groove along the groove. While ensuring airtightness, the partition wall can be easily attached and detached by deforming the partition wall by holding the holding portion to loosen the fitting state of the partition wall with respect to the outer frame, improving handleability. can do.

Further, by providing the fitting locking portion on the inner side surface of the outer frame portion and the outer surface of the partition wall portion, the partition wall portion can be firmly fixed to the outer frame portion, and the partition wall portion can be held by holding the holding portion. By releasing the locked state of the fitting locking portion by deforming it, the partition wall portion can be easily attached and detached.

Further, the rear surface side of the outer peripheral surface of the partition wall portion is formed of a tapered surface, and a bulging portion is formed at a portion where the groove of the tapered surface portion opens, and the bulging portion is formed on the rear surface side of the outer peripheral surface of the outer frame portion. By forming a recessed portion into which the partition is fitted, the partition wall can be easily attached and detached, while the gap between the outer frame portion and the partition wall portion where the groove on the tapered surface opens becomes a labyrinth-like shape and is airtight. The sex can be improved.

According to the member for the foundation inspection port of the second invention, the member for the foundation inspection port installed so as to be integrated with the foundation when constructing the foundation is placed on the outer frame portion and the inner circumference of the outer frame portion. It is easy to handle and workability when constructing a cloth foundation can be improved by constituting it with a single member including a partition wall portion integrally provided via an easily broken portion formed along the line. ..
Further, in the initial state of the foundation inspection port member, the inspection port portion composed of the opening of the outer frame portion is closed by the partition wall portion integrally provided via the easily broken portion, so that the foundation is used. The airtightness of the front side and the back side of the inspection port member is maintained.
When performing an underfloor inspection work, the easily broken portion of the foundation inspection port member is broken and the partition wall portion is separated to form an inspection port portion composed of an opening of the outer frame portion. It is possible to work under the floor on the back side of the basic inspection port member, for example, under the floor of the bathroom using a unit bath or the like.
Further, after performing the underfloor inspection work, by fitting the separated partition wall portion into the outer frame portion, the airtight state of the inspection port portion composed of the opening of the outer frame portion, that is, the front surface of the basic inspection port member. It is possible to maintain the airtightness of the side and the back side.

Further, by inverting the front surface side and the back surface side of the partition wall portion and fitting the partition wall portion into the outer frame portion, a gap between the inner peripheral surface of the outer frame portion on the front surface side and the outer peripheral surface of the partition wall portion, that is, The size of the space leading to the easily broken portion can be set larger than the same gap on the back surface side, and the breaking work of the easily broken portion can be easily performed.

Further, at least one of the inner peripheral surface of the outer frame portion and the outer peripheral surface of the partition wall portion is formed of a tapered surface, and the separated partition wall portion is fitted into the outer frame portion so that the tapered surface comes into contact with the other surface. By doing so, it is possible to ensure that the airtight state of the inspection port portion formed by the opening of the outer frame portion is maintained.

Further, by forming a recess on the outer peripheral surface of the outer frame portion into which the placed foundation concrete enters, the outer frame portion of the foundation inspection port member is surely integrated with the foundation when constructing the foundation. It can be installed so that it becomes.

A first embodiment of the basic inspection port member of the present invention is shown, (a) is a front view, (b) is a plan view, and (c) is a right side view. The basic inspection port member is shown, FIG. 1A is a sectional view taken along the line AA of FIG. 1A, and FIG. 1B is a sectional view taken along the line BB of FIG. 1A. A state in which the separated partition wall portion of the basic inspection port member is fitted into the outer frame portion is shown, (a) is a cross-sectional view corresponding to FIG. 2 (a), and (b) corresponds to FIG. 2 (b). It is a cross-sectional view. It is an overall perspective view which shows the 2nd Embodiment of the member for a basic inspection port of this invention. The outer frame portion of the basic inspection port member is shown, (a) is a plan view, (b) is a front view, (c) is a bottom view, (d) is a left side view, and (e) is a right side view. be. It is a rear view which shows the outer frame part of the member for the basic inspection port. The outer frame portion of the basic inspection port member is shown, FIG. 5A is a sectional view taken along the line AA of FIG. 5B, and FIG. 5B is a sectional view taken along the line BB of FIG. 5B. The partition wall portion of the basic inspection port member is shown, (a) is a plan view, (b) is a front view, (c) is a bottom view, (d) is a left side view, and (e) is a right side view. .. It is a rear view which shows the partition wall part of the member for the foundation inspection port. FIG. 5 is a cross-sectional view taken along the line AA of FIG. 8B showing an outer frame portion showing a partition wall portion of the basic inspection port member. A conventional member for a basic inspection port is shown, (a) is an external perspective view showing a state in which the member for a basic inspection port is installed, and (b) is a front sectional view showing a state in which the lid member is removed.

Hereinafter, embodiments of the basic inspection port member of the present invention will be described with reference to the drawings.

1 to 3 show a first embodiment of the basic inspection port member of the present invention.
Like the conventional foundation inspection port members described in Patent Documents 1 and 2, the foundation inspection port member 1 is more specifically a cloth foundation so as to be integrated with the foundation when constructing the foundation. It is installed so as to be integrated with the cloth foundation on the indoor side when constructing, and is integrated with the outer frame portion 2 via the easily broken portion 4 formed along the inner circumference of the outer frame portion 2. The partition wall portion 3 is separated from the outer frame portion 2 by breaking the easily breakable portion 4, and the separated partition wall portion 3 is fitted into the outer frame portion 2 to be outer. The inspection port formed by the opening of the frame portion 2 is maintained in an airtight state.

In this case, the basic inspection port member 1 can be integrally molded using a synthetic resin material, preferably a foamed resin material having heat insulating properties and slight deformability.
The easy-breaking portion 4 has a strength that does not break even when it receives a load such as an earthquake, and is configured as a thin-walled portion that breaks when it receives a load such as a large pressing force.
When the easily broken portion 4 is broken, the easily broken portion 4 can be cut by using a cutter or a flat-blade screwdriver, if necessary.

Then, when the separated partition wall portion 3 is fitted into the outer frame portion 2, the front surface side and the back surface side of the partition wall portion 3 can be inverted and fitted into the outer frame portion 2.
As a result, the size of the gap 41 between the inner peripheral surface 21 of the outer frame portion 2 on the front side and the outer peripheral surface 31 of the partition wall portion 3, that is, the space leading to the easily broken portion is made larger than the same gap 42 on the back side. It can be set, and it is possible to facilitate the breaking work of the easily broken portion 4.
The shape of the inner peripheral surface 21 of the outer frame portion 2 and the outer peripheral surface 31 of the partition wall portion 3 can be fitted into the outer frame portion 2 without inverting the front side and the back surface side of the partition wall portion 3. You can also do it.
Further, in order to facilitate the breaking work of the easily broken portion 4, the width of the outer frame portion 2 is made different in the vertical direction (in this embodiment, the width of the upper portion is made larger than the width of the lower portion). There.).

Further, in this embodiment, the inner peripheral surface 21 of the outer frame portion 2 and the outer peripheral surface 31 of the partition wall portion 3 are configured to be parallel surfaces, but one of them is preferably tapered. By fitting the separated partition wall portion 3 into the outer frame portion 2, the tapered surface can be brought into contact with the other surface.
By forming the contact surface with a tapered surface in this way, it is possible to ensure that the airtight state of the inspection port portion formed by the opening of the outer frame portion 2 is maintained. Further, the formability of the member 1 for the basic inspection port is also good.

Further, by forming a recess 22 on the outer peripheral surface of the outer frame portion 2 into which the placed foundation concrete enters, the outer frame portion 2 of the foundation inspection port member 1 is surely connected to the foundation when constructing the foundation. It can be installed so as to be integrated with the concrete.

The foundation inspection port member 1 forms a foundation inspection port member that is installed so as to be integrated with the foundation when constructing the foundation, along the outer frame portion 2 and the inner circumference of the outer frame portion 2. By constituting the single member including the partition wall portion 3 integrally provided via the easily broken portion 4, it is easy to handle and the workability when constructing the cloth foundation can be improved.
Further, in the initial state in which the basic inspection port member 1 is installed, the inspection port portion formed by the opening of the outer frame portion 2 is closed by the partition wall portion 3 integrally provided via the easily broken portion 4. Therefore, the airtight state of the front side and the back side of the basic inspection port member 1 is maintained.
Then, when performing an underfloor inspection work, the easily broken portion 4 of the foundation inspection port member 1 is broken and the partition wall portion 3 is separated to form an inspection port portion composed of an opening of the outer frame portion 2. By doing so, it is possible to work under the floor on the back side of the basic inspection port member 1, for example, under the floor of the bathroom using a unit bath or the like.
Further, after performing the underfloor inspection work, the separated partition wall portion 3 is fitted into the outer frame portion 2. In this embodiment, the front side and the back surface side of the separated partition wall portion 3 are reversed to form an outer frame. By fitting it into the portion 2, it is possible to maintain the airtight state of the inspection port portion composed of the opening of the outer frame portion 2, that is, the airtight state of the front side and the back side of the basic inspection port member 1. can.
Here, when either or both of the inner peripheral surface 21 of the outer frame portion 2 and the outer peripheral surface 31 of the partition wall portion 3 are configured as tapered surfaces, when the separated partition wall portion 3 is fitted into the outer frame portion 2. , The front side and the back side of the partition wall portion 3 are inverted so as to be pulled from the back side to the front side of the basic inspection port member 1 (or from the front side to the back side of the basic inspection port member 1). By pressing toward the outer frame portion 2), it can be fitted into the outer frame portion 2.
Then, when performing the underfloor inspection work again, the partition wall portion 3 fitted in the outer frame portion 2 is pressed from the front side to the back side of the foundation inspection port member 1 (or the foundation inspection port member). By pulling from the back side to the front side of 1), the partition wall portion 3 can be separated from the outer frame portion 2 to form an inspection port portion composed of an opening of the outer frame portion 2. can.

4 to 10 show a second embodiment of the basic inspection port member of the present invention.
Like the conventional foundation inspection port members described in Patent Documents 1 and 2, the foundation inspection port member 1 is more specifically a cloth foundation so as to be integrated with the foundation when constructing the foundation. The outer frame portion 2 as a frame member and the partition wall portion 3 as a lid member fitted inside the outer frame portion 2 are installed so as to be integrated with the cloth foundation on the indoor side when constructing. By fitting the partition wall portion 3 into the outer frame portion 2 so as to maintain the airtight state of the inspection port portion formed by the opening of the outer frame portion 2, the partition wall portion 3 is provided. A groove 32 parallel to the side surface from the front surface side to the rear surface side of the partition wall portion 3 and holding portions 34a and 34b are formed on both sides of the groove 32 along the groove 32 at both end portions of the front surface of the partition portion 3. Is.

In this case, the outer frame portion 2 and the partition wall portion 3 constituting the basic inspection port member 1 can be molded using a synthetic resin material, preferably a foamed resin material having heat insulating properties and slight deformability. ..
Then, the groove 32 formed in the partition wall portion 3 holds the holding portions 34a and 34b and applies a holding force to deform the outer portion of the partition wall portion 3 inward with respect to the outer frame portion 2 of the partition wall portion 3. A certain depth, for example, about 50 to 95%, preferably about 70 to 90%, preferably about 70 to 90% (in this embodiment, about 80% (thickness 150 mm)) of the thickness of the partition wall portion 3 so that the fitted state can be loosened. It is formed at a depth of 120 mm)) in the partition wall portion 3 of the above.
As a result, when the basic inspection port member 1 is composed of two members, the outer frame portion 2 of the partition wall portion 3 is deformed by holding the holding portions 34a and 34b while ensuring airtightness. By loosening the fitting state with respect to the partition wall portion 3, the partition wall portion 3 can be easily attached and detached, and the handleability can be improved.

Fitting locking portions 23, 33 on the side surface side of the inner peripheral surface 21 of the outer frame portion 2 and the side surface side of the outer peripheral surface 31 of the partition wall portion 3, and in this embodiment, a concave fitting to the outer frame portion 2. A convex fitting locking portion 33 is provided on the locking portion 23 and the partition wall portion 3, respectively.
As a result, the partition wall portion 3 can be firmly fixed to the outer frame portion 2, and the outer portion of the partition wall portion 3 is deformed inward by applying the holding force by holding the holding portions 34a and 34b. By releasing the locked state of the fitting locking portions 23 and 33, the partition wall portion 3 can be easily attached and detached.

By forming the step portions 21a and 31a on the inner peripheral surface 21 of the outer frame portion 2 and the outer peripheral surface 31 of the partition wall portion 3, the gap between the outer frame portion 2 and the partition wall portion 3 becomes a labyrinth shape, and the airtightness is improved. I am trying to be able to do it.
Then, the rear surface side of the outer peripheral surface 31 of the partition wall portion 3 is formed of the tapered surface 31b, and the bulging portion 31c is formed at the portion where the groove 32 of the tapered surface 31b opens, so that the inner peripheral surface 21 of the outer frame portion 2 is formed. A recessed portion 21c into which the bulging portion 31c is fitted is formed on the rear surface side.
As a result, the gap between the outer frame portion 2 and the partition wall portion 3 at the portion where the groove 32 of the tapered surface 31b opens is also labyrinth-shaped so that the partition wall portion 3 can be easily attached and detached, and the airtightness is improved. be able to.

Further, by forming a recess 22 on the outer peripheral surface of the outer frame portion 2 into which the placed foundation concrete enters, the outer frame portion 2 of the foundation inspection port member 1 is surely connected to the foundation when constructing the foundation. It can be installed so as to be integrated with the concrete.

Like the conventional foundation inspection port member, the foundation inspection port member 1 is integrated with the foundation when constructing the foundation, and more specifically, the cloth on the indoor side when constructing the cloth foundation. It is installed so as to be integrated with the foundation.
Then, when performing an underfloor inspection work, the partition wall portion 3 is deformed by holding the holding portions 34a and 34b of the partition wall portion 3 to loosen the fitting state of the partition wall portion 3 with respect to the outer frame portion 2. By removing 3 from the outer frame portion 2 to form an inspection port portion composed of an opening of the outer frame portion 2, an underfloor on the back side of the basic inspection port member 1, for example, a unit bath or the like was used. You can work under the floor of the bathroom.
Further, after performing the underfloor inspection work, the partition wall portion 3 is fitted into the outer frame portion 2, so that the inspection port portion formed by the opening of the outer frame portion 2 is in an airtight state, that is, the basic inspection port member 1. It is possible to maintain the airtightness of the front side and the back side of the.

The basic inspection port member of the present invention has been described above based on the embodiment thereof, but the present invention is not limited to the configuration described in the above embodiment, and the configuration thereof is appropriately provided as long as the purpose is not deviated. Can be changed.

The member for the basic inspection port of the present invention is easy to handle while ensuring airtightness when the member for the basic inspection port is composed of two members, and the member for the basic inspection port is composed of a single member. By doing so, it is easy to handle and has the characteristics of good workability when constructing a cloth foundation. For example, it can be suitably used for a member for a heat insulating foundation inspection port.

1 Basic inspection port member 2 Outer frame part 21 Inner peripheral surface 21a Stepped part 21c Recessed part 22 Recessed part 23 Fitting locking part 3 Partition wall part 31 Outer peripheral surface 31a Stepped part 31b Tapered surface 31c Protruding part 32 Groove 33 Fitting Stop 34a Holding part 34b Holding part 4 Easy breaking part 41 Gap 42 Gap

Claims (4)

It is a member for a foundation inspection port installed so as to be integrated with the foundation when constructing the foundation, and includes an outer frame portion and a partition wall portion fitted inside the outer frame portion, and the partition wall portion is outside. By fitting it into the frame part, the airtight state of the inspection port composed of the opening of the outer frame part is maintained, and at both end portions on the front surface of the partition wall portion, from the front side to the rear surface side of the partition wall portion. A member for a foundation inspection port, characterized in that a groove parallel to the side surface thereof and holding portions are formed on both sides of the groove along the groove. The member for a basic inspection port according to claim 1, wherein a fitting locking portion is provided on the inner side surface of the outer frame portion and the outer surface of the partition wall portion. The rear surface side of the outer peripheral surface of the partition wall is formed of a tapered surface, and a bulging portion is formed at a portion where the groove of the tapered surface opens, and the bulging portion is fitted on the rear surface side of the outer peripheral surface of the outer frame portion. The member for a basic inspection port according to claim 1 or 2, wherein a recessed portion is formed. The member for a foundation inspection port according to claim 1, 2 or 3 , wherein a concave portion into which the cast foundation concrete enters is formed on the outer peripheral surface of the outer frame portion.

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