JP7023781B2 - Protective cover for the inside corner, assembly structure of the protective cover for the inside corner, and installation structure - Google Patents

Description

The present invention accommodates a bent portion of wiring / piping material that is bent and arranged along each wall surface constituting the inside corner of a building and is drawn out to the back of the wall through a through hole formed through one wall surface. It relates to the protective cover for the inner corner, the assembly structure of the protective cover for the inner corner, and the installation structure.

A through hole for wiring / piping material is formed on one of the wall surfaces constituting the inside corner of the building, and the wiring / piping material is bent at the inside corner and is arranged behind the wall through the through hole. The protective cover for accommodating the bent portion (the portion disposed in the inside corner) is a base fixed to at least one of the wall surfaces constituting the inside corner and a lid integrally assembled to the base. As one of them, the one disclosed in Patent Document 1 is known.

The protective cover disclosed in Patent Document 1 is integrally assembled with a base portion 14 fixed to the wall surface on the side where the through hole 3 is not formed among the two wall surfaces constituting the inside corner portion, and the base portion 14. It is composed of a through port 3 and a cover portion 13 that covers a portion of the refrigerant pipe (wiring / piping material) 4 that is bent at the inside corner.

As a result, since the portion of the cover portion 13 that covers the through-hole 3 is not fixed to the wall surface on which the through-hole 3 is formed, the tip portion of the cover portion 13 on the non-fixed side rises with respect to the wall surface. , A gap is formed between the wall surface and the wall surface. This gap becomes larger as the length of the cover portion 13 becomes longer. In order to prevent this, in Patent Document 1, a recess is formed in the tip portion on the non-fixed side of the cover portion 13, and the tip portion on the non-fixed side in the cover portion 13 is tightened at the recess portion. It is fixed to the wall surface with screws), and the head of the tightening member arranged in the recess is covered with the cap 16b to improve the appearance.

For this reason, in the above-mentioned floating prevention structure of the tip portion of the cover portion 13, not only the tightening member and the cap 16b are required, but also the tightening of the tightening member and the construction of the cover of the cap 16b are troublesome. ..

Japanese Unexamined Patent Publication No. 2007-147051

In the present invention, a through hole for wiring / piping material is formed on one of the side surfaces constituting the inside corner, and the lid is covered with a base fixed to at least one of the wall surfaces to be arranged at the inside corner. In a structure that covers the bent portion of the wiring / piping material to be provided and the through hole, it is an object to prevent the tip portion of the lid on the side where the through hole is formed from rising without using a screw. There is.

The invention of claim 1 for solving the above-mentioned problems is bent and arranged along the first and second wall surfaces constituting the inside corner of the building, and is formed through a through hole formed through the first wall surface. It is a protective cover for the inside corner that houses the bent part of the wiring and piping material pulled out to the back of the wall.
A base in which a base extension portion is extended along the arrangement direction of wiring and piping materials on the base base fixed to the first wall surface, and a base.
A pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion and arranged along the second wall surface. A connection port to which a protective cover can be connected is formed, and a lid body that is integrally assembled to the base with a fitting structure to cover the bent arrangement portion of the wiring / piping material and the through hole.
Equipped with
The fitting portion of the lid body is formed continuously or intermittently in the arrangement direction, so that the assembly position of the base base portion of the base with respect to the lid body along the arrangement direction can be set. , Can be changed,
The base extension portion of the base is provided with a plurality of bending deformation portions extending in a direction orthogonal to the direction in which the base extension portion extends at predetermined intervals along the arrangement direction.
By selecting and bending the bent and deformed portion of the base extension portion, the first and first positions are different from each other along the arrangement direction of the wiring / piping material with respect to the first wall surface. It is possible to form an inclined base extension part that is inclined and spans each wall surface of 2.
The lid is characterized by being provided with a locking portion that is locked to the inclined base extending portion.

According to the invention of claim 1, the base base portion constituting the base base is fixed to the first wall surface in which through holes for wiring and piping materials are formed, and the base base is extended to the base base base portion. The bent / deformed portion formed by selecting and bending the bent / deformed portion of the extended portion is bent and arranged at the inside corner in a state of being inclined and bridged to each of the first and second wall surfaces. The provided wiring / piping material is pulled out to the back of the wall through the through hole and arranged, and then the fitting portion provided on the base base portion and the fitting portion provided on the pair of side wall portions of the lid body. By fitting the portion, the bent portion and the through hole of the wiring / piping material are accommodated inside the lid body, and the base and the lid body are integrally assembled. In a state where the base and the lid are integrally assembled, the locking portion provided on the lid is locked to the inclined base extension portion of the base extension portion, whereby the first The assembly position of the lid body along the direction perpendicular to the second wall surface is determined so as not to be separated from the second wall surface with respect to the base fixed to the wall surface.

In this way, since the base is fixed to the first wall surface on which the through holes for the wiring and piping materials are formed, the tip portion of the lid body integrally assembled with the base along the first wall surface. Does not rise to the first wall surface in close contact with or close to the first wall surface. In addition, a part of the base extension portion that constitutes the base becomes an inclined base extension portion that is inclinedly arranged at the inside corner, and the locking portion provided on the lid extends the inclined base. It is locked to the setting portion, and the locking structure acts so that the lid does not separate from the first and second wall surfaces. Therefore, even with the locking structure, the first wall surface of the lid has a lid. Lifting of the tip on the side is prevented. Therefore, it is not necessary to fix the tip portion of the lid on the side along the first wall surface with a screw, the trouble of fixing the screw is eliminated, and the appearance of the tip portion is improved.

Further, the fitting portion of the lid is formed continuously or intermittently in the arrangement direction of the wiring / piping material along the first wall surface, so that the fitting portion of the base of the base with respect to the lid is formed. Since the assembly position along the arrangement direction can be changed, if the distance from the inside corner of the through hole formed in the first wall surface is different, the through hole in the first wall surface can be used. By fixing the base base portion of the base base to a close portion, the distance between the fitting assembly portion between the base base and the lid body and the tip portion on the first wall surface side of the lid body is minimized. This makes it possible to reliably prevent the tip portion of the lid on the side of the first wall surface from rising from the first wall surface.

The invention of claim 2 is characterized in that, in the invention of claim 1, the portion of the base extending portion arranged on the second wall surface can be fixed to the second wall surface.

According to the second aspect of the present invention, since the base can be fixed to the first wall surface at the base portion and the second wall surface at the base extension portion, the first and second bases can be fixed. The entire base can be firmly fixed to each wall surface.

According to the third aspect of the present invention, in the second aspect of the present invention, a break groove for adjusting the length of the extended base base portion is formed on the tip end side of the extended base base portion. It is a feature.

According to the third aspect of the present invention, the base extension portion fixed to the second wall surface is arranged on the second wall surface depending on the fixed position of the base base portion constituting the base with respect to the first wall surface. Extra length may occur when connecting the protective cover. In this case, by using the folding groove provided in the base extension portion, the base base extension portion of the base arranged on the second wall surface is optimized in relation to the other protective cover. Since the length can be adjusted to a certain length, the protective cover for the inside corner according to the present invention can be properly connected to the other protective cover.

According to a fourth aspect of the present invention, in the third aspect of the present invention, an index portion for determining an arrangement position along the width direction with the other protective cover is provided at the tip end portion of the base extension portion. It is characterized in that the index portion is also configured to appear in a new tip portion generated after the tip end side of the base extension portion is broken by the folding groove.

According to the invention of claim 4, even if the tip end side of the base extension portion of the base is broken off at the folding groove portion, the portion that becomes the tip portion of the base extension portion newly is different. Since the index part is configured to appear, the fixing position of the base base part of the base with respect to the first wall surface is changed, and the base extension part fixedly arranged on the side of the second wall surface is broken off. Also, the protective cover according to the present invention and the other protective cover arranged on the second wall surface can be connected to each other by correctly determining the arrangement position in the width direction by the newly appearing index portion. ..

The invention of claim 5 is the invention of any one of claims 1 to 4, wherein an end portion of the other protective cover is externally fitted to the connection port of the lid body, and the lid body is formed from the second wall surface. The inner wall portion for preventing separation is provided at least inside the top wall portion of the lid.

According to the fifth aspect of the present invention, when the end portion of the other protective cover disposed on the second wall surface is fitted onto the inner wall portion provided at the connection port of the lid body, the end portion is fixed to the second wall surface. The other protective cover prevents the lid from being separated from the second wall surface. Therefore, the position of the protective cover for the inside corner with respect to the second wall surface is the locking structure provided by the locking portion provided on the lid and other protection against the inner wall portion for preventing separation provided on the lid. Since it is determined by both the outer fitting structure of the cover body of the cover, it is possible to more reliably prevent the lid body from being separated and lifted from the second wall surface.

The invention of claim 6 is a wiring that is bent and arranged along the first and second wall surfaces constituting the inside corner of the building and is drawn out to the back of the wall through a through hole formed through the first wall surface. A protective cover for the inside corner that houses the bent part of the piping material inside.
A base having a base base fixed to the first wall surface,
A pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion and arranged along the second wall surface. A connection port to which a protective cover can be connected is formed, and a lid body that is integrally assembled to the base with a fitting structure to cover the bent arrangement portion of the wiring / piping material and the through hole.
Equipped with
The fitting portion of the lid is formed continuously or intermittently in the arrangement direction of the wiring / piping material along the first wall surface, whereby the fitting portion of the base of the base with respect to the lid is formed. The assembly position along the arrangement direction can be changed.
The lid is fixedly arranged with respect to the second wall surface and the end portion of the other protective cover inserted inside the connection port is fitted onto the connection port so that the lid can be fitted to the second wall surface. It is characterized in that a separation prevention inner wall portion for preventing separation from the wall surface is provided inside the lid body.

According to the invention of claim 6, the fitting portion of the lid body is formed continuously or intermittently in the arrangement direction of the wiring / piping material along the first wall surface, whereby the fitting portion of the lid body is formed with respect to the lid body. The assembling position of the base base portion of the base base along the arrangement direction can be changed, and even if the distance from the inside corner of the through hole formed in the first wall surface is different, the first Since the base is fixed at the position closest to the through hole on the wall surface and the lid is integrally assembled to the base, the tip of the lid on the side of the first wall surface does not require screw fixing. In addition, it is possible to prevent the surface from rising from the first wall surface. Further, the lid body is fixedly arranged with respect to the second wall surface and the end portion of the other protective cover inserted inside the connection port is fitted to the connection port of the lid body. Since the separation prevention inner wall portion for preventing the second wall surface from being separated from the second wall surface is provided inside the lid body, the lid body for the second wall surface can be connected by connecting to another protective cover on the second wall surface. The placement position of the lid is fixed, and the lid does not separate from the second wall surface.

The invention of claim 7 comprises a base arranged along each wall surface that intersects and constitutes the inside corner, and a lid that is integrally assembled to the base, and is the entry in the wiring / piping material. It is an assembly structure of a protective cover for the inside corner that accommodates the part arranged in the corner.
The base is arranged along each wall surface of the inside corner portion, and at least one of the base bases is fixed to the wall surface via an inclined continuous portion in which each base base portion is inclined with respect to each wall surface. It is connected in a row
In the base and the lid, the fitting portion of the lid is fitted to the fitted portion provided along one wall surface of the base, and the fitting portion of the lid is provided on the lid. The locking portion is characterized in that it can be integrally assembled by being locked to the inclined continuous portion of the base.

According to the invention of claim 7, even if the arrangement position of the base is displaced along the arrangement direction of the wiring / piping material with respect to each wall surface constituting the inside corner portion, the fitting portion and the fitting portion are fitted. By fitting with the joint, the lid is integrally assembled to the base, and the inclined continuous portion of the base is always arranged at the inside corner to be provided on the lid. By locking the locking portion to the inclined continuous portion, the lid body is integrated with the base at a specific position defined for each wall surface without being separated from the other wall surface. It is assembled to. The protective cover for the inside corner of claim 7 is provided with connection ports connected to other protective covers at both ends of the lid in the arrangement direction of the wiring / piping material.

The invention of claim 8 is composed of a base and a lid to be assembled to each other, is bent and arranged along the first and second wall surfaces constituting the inside corner of the building, and penetrates the first wall surface. It is an installation structure of a protective cover for the inside corner that houses the bent part of the wiring / piping material that is pulled out to the back of the wall through the formed through hole.
The base base portion of the base base is fixed along the first wall surface, and a part of the base base extension portion extending from the base base portion in the arrangement direction of the wiring / piping material is the said. It is bent by the bending deformation part provided in the base extending part, and is arranged so as to span the inner wall surface in an inclined posture to form an inclined base extending part.
In the lid body, a pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion, and the bending portion of the wiring / piping material and the bending portion are connected. A cover portion that covers the through hole is formed, and an end portion of another protective cover disposed on the second wall surface can be connected to the connection port provided on the side of the second wall surface of the lid body. And
The locking portion provided on the lid is characterized in that it is locked to the inclined base extending portion of the base.

The invention of claim 8 is a grasp of the invention of claim 1 from the aspect of "installation structure of a protective cover for a corner portion", and the substantial content thereof is the same as that of the invention of claim 1. ..

The protective cover for the inside corner according to the present invention has a structure in which the base is fixed to the first wall surface on which a through hole for wiring / piping material is formed, and a part of the base extension portion constituting the base. The lid is provided with a locking structure in which the locking portion provided on the lid is locked to the tilting base extension portion, which is an inclined base extending portion that is inclinedly arranged at the inside corner. The floating of the tip portion on the side of the first wall surface is prevented. Therefore, it is not necessary to fix the tip portion of the lid on the side along the first wall surface with a screw, the trouble of fixing the screw is eliminated, and the appearance of the tip portion is improved.

Further, the fitting portion of the lid is formed continuously or intermittently in the arrangement direction of the wiring / piping material along the first wall surface, so that the fitting portion of the base of the base with respect to the lid is formed. Since the assembly position along the arrangement direction can be changed, if the distance from the inside corner of the through hole formed in the first wall surface is different, the through hole in the first wall surface can be used. By fixing the base base portion of the base base to a close portion, the distance between the fitting assembly portion between the base base and the lid body and the tip portion on the first wall surface side of the lid body is minimized. This makes it possible to reliably prevent the tip portion of the lid on the side of the first wall surface from rising from the first wall surface.

(A) is a plan view of a base V ₁ of a protective cover C ₁ for an inside corner according to the present invention, and (b) is a cross-sectional view taken along the line X1 _- X1 of ( _a ). (C) is a side view of the protective cover C ₁ for the inside corner, and (d) and (e) are X2 _- X2 line and X3 _- X3 line of FIGS. _{1 -} A (a), respectively. It is each sectional view of. (A) is a perspective view of the base V ₁ of the protective cover C ₁ for the inside corner in an unused state, and (b) and (c) are perspective views of different usage states. It is a vertical cross-sectional view of a state in which a base V ₁ is bent by a specific small plate part 11 constituting a base extension part 2 and arranged on the first and second wall surfaces W ₁ and W ₂ . (A) and (b) are perspective views of the lid L ₁ of the inner corner protective cover C ₁ as viewed from different directions. (A) to (c) are a plan view, a central vertical sectional view, and a left side view of the lid L ₁ of the protective cover C ₁ for the inside corner, respectively. The base V ₁ and the lid L ₁ constituting the inner corner protective cover C ₁ for the first and second wall surfaces W ₁ and W ₂ constituting the inner corner A, and the straight protective cover C. It is a perspective view which shows the arrangement relation with the base V ₁₁ and the lid L ₁₁ which constitutes ₁₁ . The base V ₁ of the protection cover C ₁ for the inside corner is fixedly arranged over the first wall surface W ₁ and the second wall surface W ₂ in which the through hole H is formed, and the direct protection cover C is placed on the second wall surface W ₂ . It is a perspective view which shows the state which the base V ₁₁ of ₁₁ is fixedly arranged. It is a perspective view which attached the lid L ₁ to the base base 1 of the base V ₁ of the protection cover C ₁ for an inside corner. The lid L ₁₁ was attached to the base V ₁₁ of the straight protective cover C ₁₁ fixedly arranged on the second wall surface W ₂ while being connected to the lid L ₁ of the protective cover C ₁ for the inside corner. It is a perspective view. The bent piping portion of the corner portion A of the refrigerant pipes connected to the indoor unit 82 of the air conditioner and pulled out to the back of the wall of the first wall surface W ₁ is housed in the protection cover C ₁ for the corner portion according to the present invention. It is a perspective view of the state. It is a vertical sectional view of the use state of the protection cover C ₁ for a corner portion which concerns on this invention. 11 is _a cross _- sectional view taken along the line Y1 to Y1 of FIG. 11 is a cross-sectional view taken along the line Y2 _- Y2 of _FIG . It is a perspective view which looked at the state which the base V ₁ and the lid L ₁ for showing a fitting structure were separated from the back side. It is a perspective view which looked at the state which the locking projection 31 of a lid L ₁ was locked through the inclined base extension part 2a (11) of a base V ₁ from the back side. It is a figure which looked at the state shown by FIG. 7 from the direction of arrow J. (A) and (b) are plan views in a state where the small plate portions 11 and 12 constituting the base extension portion 2 of the base V ₁ are cut off by the folding groove 13 to shorten the length, respectively. be. It is a perspective view of the state in which the small piece plate part 12 constituting the base extension part 2 of the base V ₁ is cut off and used. It is a perspective view of the state in which only the base base 1 is used by folding off all the small plate portions 11 and 12 constituting the base extension portion 2 of the base V ₁ . (A) and (b) are a plan view and a central vertical sectional view of another base V ₁ ′ constituting the inner corner protective cover C ₁ , respectively. (A) to (c) are a combination of a perspective view and a side view showing different usage states of another base V _1'which constitutes the inner corner protective cover C ₁ respectively. (A) and (b) are perspective views showing the usage state of yet another base V ₁ "which constitutes the protective cover C ₁ for the inside corner, respectively. The base V ₂ and the lid L ₂ constituting the inner corner protective cover C ₂ for the first and second wall surfaces W ₁ and W ₂ constituting the inner corner A, and the straight protective cover C. It is a perspective view which shows the arrangement relation with the base V ₁₁ and the lid L ₁₁ which constitutes ₁₁ . (A) and (b) are perspective views of the base V ₂ constituting the inner corner protective cover C ₂ as viewed from different directions. (A) and (b) are perspective views of the lid L ₂ constituting the inner corner protective cover C ₂ as viewed from different directions. It is a vertical sectional view of the use state of the protective cover C ₂ for an inside corner.

Hereinafter, the present invention will be described in more detail with reference to a plurality of examples. The inside corner A of the building is formed by the first and second wall surfaces W ₁ and W ₂ orthogonal to each other, and the inside corner protective covers C ₁ and C ₂ according to the present invention form the inside corner A. A through hole H for pulling out the piping material P to the back of the wall is formed in one of the constituent first wall surfaces W ₁ , and the bent piping portion Pa (see FIG. 6) and the through hole H of the inside corner portion A in the piping material P. It is a protective cover for covering. In Examples 1 and 2, the first and second wall surfaces W ₁ and W ₂ are each composed of an indoor vertical wall of a building and a short ceiling wall connecting different vertical walls (see FIG. 10).

First, with reference to FIGS. 1 to 5, the through holes are located at different distances from the wall surface intersections A ₁ of the first and second wall surfaces W ₁ and W ₂ constituting the entrance corner A of the building. A protective cover C ₁ for an inside corner, in which the base V ₁ can be fixedly arranged at the portion closest to each through hole H when the H is formed, will be described. The inner corner protective cover C ₁ is arranged over the first and second wall surfaces W ₁ and W ₂ , and is fixed to the first and second wall surfaces W ₁ and W ₂ , respectively. It consists of V ₁ and a lid L ₁ that is integrally assembled to the base V ₁ by a fitting structure. Both the base V ₁ and the lid L ₁ are formed by injection molding of a resin.

As shown in FIGS. 1 and 2, the base V ₁ has a flat plate-shaped base base 1 fixedly arranged close to the through hole H formed in the first wall surface W ₁ and a contact base. It is composed of a base extending portion 2 extending in the arrangement direction Q of the piping material P in the central portion of the width direction R of the base portion 1. Since the base base 1 is fitted with the lid L ₁ at both ends in the width direction, the base base 1 has the same width as the lid L ₁ , but the base extension 2 has a lid. Since it is not fitted to the body L1 and the purpose is to form the inclined base extending portion 2a described later, it has a much narrower width than the base base portion ₁ . In the base base 1, one long piece of a rectangle is formed in an arc concave shape corresponding to a through hole H, and a linear thick-walled standing wall 3 is formed on each short side of the rectangle, and each standing wall is formed. The outer surface of ₃ is a linear fitted portion 4 formed in an undercut shape so as to be able to be fitted with the fitting portion 29 described later of the lid L1. A circular screw pilot hole 5 and an elongated screw hole 6 are formed in the central portion and both end portions of the base base portion 1 along the width direction R orthogonal to the arrangement direction Q, respectively. The arc-concave-shaped portion of the base base 1 and the straight-line portion facing the arc-concave portion are reinforced by thin standing walls 7 and 8, respectively.

The base extending portion 2 is extended along the arrangement direction Q of the piping material P in a straight line portion facing the arcuate concave portion in the base base 1, and a plurality of horizontally long rectangular small plate portions 11 are provided. , 12 are connected to each other through the folding groove 13 so that both bending and folding are possible, so that the overall shape is formed in a caterpillar shape. Of the plurality of small plate portions 11 and 12 constituting the base extension portion 2, the plurality of small plate portions 11 on the base end side with respect to the base base 1 are bent inward at each of the four corners in total. The crossing angle (θ) of each of the two adjacent small plate portions 11 [see FIG. 3] is 135 ° (the relative bending angle of each of the two small plate portions 11 is 45 °). N) Bending restriction protrusions 14 are formed along the width direction R, respectively. The small piece plate portion 11'that is integrally connected to the base base portion 1 has a shorter length along the arrangement direction Q with respect to the other small piece plate portions 11.

Both ends of each bending restricting projection 14 in the longitudinal direction are reinforced with a reinforcing piece 15 so as to withstand the bending force. Two separate small plate portions 12 are continuously formed on the tip side of the base extension portion 2 farthest from the base base 1, and each small plate portion 12 is fixed to the _second wall surface W2. A pair for positioning the base V ₁₁ of the linear protective cover C ₁₁ fixedly arranged on the second wall surface W ₂ with respect to the base extending portion 2 of the arranged base V ₁ in the width direction R. The positioning pieces 16 are provided along the arrangement direction Q at predetermined intervals in the width direction R. The two small plate portions 12 on the tip side are not relatively bent, but the inner small plate portion 12 connected to the small plate portion 11 having the bending restriction protrusion 14 is the small plate portion 12. Since the small piece plate portion 12 may be bent relative to the portion 11, bending restricting protrusions 14 are provided at the two corner portions on the side facing the small piece plate portion 11 respectively. Further, of the plurality of small piece plate portions 11 and 12, the rest other than the most advanced small piece plate portion 12 may be screw-fixed to the first wall surface W ₁ or the second wall surface W ₂ , and thus the center in the width direction. A screw hole 6 is formed in the portion.

Therefore, as shown in FIG. 2 (a), the base V ₁ having a flat plate shape in the non-use state is inserted as shown in FIGS. 2 (b), (c) and 3. At the portion of the corner A that straddles the intersection A ₀ of the wall surfaces W ₁ and W ₂ , the adjacent small plate portions 11 are bent so that the intersection angle is 135 °, and the intersection A ₀ is specified. The small piece plate portion 11 of the above functions as an inclined base extending portion 2a spanning the wall surfaces W ₁ and W ₂ .

As shown in FIGS. 4 and 5, the lid L ₁ is a piping material P arranged on the base V ₁ fixedly arranged on the first and second wall surfaces W ₁ and W ₂ . A pair of side walls having an irregular L-shaped piping space 21 (see FIGS. 11 and 12) having a short upright portion formed inside and facing each other, which is a member covering the bent piping portion Pa and the through hole H. The portion 22 has a shape connected by a top wall portion 23. The lid L ₁ has openings 24 and 25 formed in portions facing the first and second wall surfaces W ₁ and W ₂ , respectively, and is on the side of the second wall surface W ₂ along the arrangement direction Q. A connection port 26 to which the lid L ₁₁ of the straight protective cover C ₁₁ disposed on the second wall surface W ₂ is connected is formed at the end portion, and the first portion is formed along the arrangement direction Q. The end portion on the side of the 1 wall surface W ₁ is closed by the closing wall portion 27 connected to the top wall portion 23.

A flange plate portion 28 having an irregular L-shaped cross-sectional shape is formed at the end of the pair of side wall portions 22 and the closed wall portion 27 on the side of the opening 24, and the upright plate portion 28 constitutes the flange plate portion 28. The 28a is a portion that abuts or is close to the _first wall surface W1, and a fitting portion 29 made of a straight ridge is formed inside the lower end portion of the upright plate portion 28a. The fitting portion 29 is formed only in the left and right linear portions of the flange plate portion 28, and one end thereof reaches an opening 25 facing the second wall surface W ₂ .

Further, as shown in FIG. 3, when the base V ₁ is arranged over the first and second wall surfaces W ₁ and W ₂ , the base base 1 of the base V ₁ becomes the first wall surface W. A plurality of small plate portions 11 and 12 fixedly arranged in ₁ and constituting the base extension portion 2 are distributed and fixedly arranged on the first and second wall surfaces W ₁ and W ₂ , and a plurality of small plate portions 11 and 12 are fixedly arranged. Of the small plate portions 11, only one specific small plate portion 11 is arranged in an inclined posture by straddling the wall surfaces W ₁ and W ₂ , and becomes an inclined base extending portion 2a. Further, in order to integrally assemble the lid L ₁ to the base V ₁ fixedly arranged on the first and second wall surfaces W ₁ and W ₂ , as shown in FIG. 14, the first wall surface W By sliding the lid L ₁ on ₁ until it abuts on the second wall surface W ₂ along the arrangement direction Q, the fitted portion 4 of the base V ₁ and the fitting portion of the lid L ₁ are fitted. 29 is fitted. Due to the above-mentioned fitting structure of the base V ₁ and the lid L ₁ , the difference in the distances of the through holes H formed in the first wall surface W ₁ from the intersections A ₁ of the wall surfaces W ₁ and W ₂ can also be obtained. Although the structure is such that it can always be fitted, the base V ₁ and the lid L ₁ are integrated by preventing the lid L ₁ from sliding in a direction away from the second wall surface W ₂ . Means to be assembled are needed.

Corresponding to the above-mentioned arrangement structure of the base V ₁ , the lower end portion of the inner side surface of the pair of side wall portions 22 of the lid L ₁ and the portion facing the opening 25 are each of the first and second portions. The inclined base in order to prevent the lid L ₁ from moving along the arrangement direction Q on the first wall surface W ₁ with respect to the base V ₁ fixedly arranged on the wall surfaces W ₁ and W ₂ . A pair of locking projections 31 that are locked to both ends of the flat back surface of the extending portion 2a in the width direction are integrally provided so as to face each other. Since the inclined base extending portion 2a is arranged so as to be inclined by an angle of 45 ° with respect to the first and second wall surfaces W ₁ and W ₂ , the locking projections are as shown in FIG. _The locking surface 31a, which is tightly locked to the back surface of the inclined base extending portion 2a in 31, is formed so as to be inclined by 45 ° with respect to the surface of the opening 25 of the lid L1.

Further, as shown in FIGS. 4, 5 and 11, the lid L ₁₁ is externally fitted to the connection port 26 connected to the lid L ₁₁ of the straight protective cover C ₁₁ in the lid L ₁ . The inner wall portion 32 to be formed is formed over substantially the entire circumference of the connection port 26. That is, the inner wall portion 32 is formed at predetermined intervals inside the end portions of the pair of side wall portions 22 and the _top wall portion 23 of the lid L1 that form the connection port 26, and the inner wall portion 32 is inside. At the end portion, it is integrally connected to the inner side surface of the pair of side wall portions 22 and the top wall portion 23 via the connecting plate portion 33. The pair of side wall portions 22 and the top wall portion 23 forming the connection port 26 function as the outer wall portion 34 with respect to the inner wall portion 32, and the insertion gap 35 formed by the inner wall portion 32 and the outer wall portion 34. Is inserted into the end of the lid L ₁₁ of the straight protective cover C ₁₁ , and the lid L ₁ of the protective cover C ₁ for the inside corner and the lid L ₁₁ of the straight protective cover C ₁₁ are connected to each other. In this state, the inner wall portion 32 of the lid L ₁ of the inner corner protective cover C ₁ comes into contact with the lid L ₁₁ of the straight protective cover C ₁₁ so that the inner corner protective cover C ₁ The lid L ₁ cannot be separated from the second wall surface W ₂ , and the connection structure of the lids L ₁ and L ₁₁ using the inner wall portion 32 provided at the connection port 26 of the lid L ₁ and the connection structure thereof. Both the locking projection 31 of the lid L ₁ and the locking structure of the inclined base extending portion 2a are perpendicular to the second wall surface W ₂ of the lid L ₁ with respect to the base V ₁ . The assembly position along the direction is fixed. Here, the inner wall portion 32 is continuously provided between the pair of side wall portions 22 and the top wall portion 23 of the lid L1, but the protective cover C ₁ for the inside corner portion is provided _on the second wall surface W ₂ . It may be formed only on the top wall portion 23 of the lid L ₁ from the surface that functions as a separation prevention piece that prevents the lid from being separated from the lid. Further, depending on the shape of the other protective cover connected to the connection port of the protective cover C ₁ for the inside corner, the inner wall portion 32 may be provided only on the side wall portion 22 of the lid L ₁ .

The straight protective cover C ₁₁ disposed on the second wall surface W ₂ and connected to the connection port 26 of the lid L ₁ of the protective cover C ₁ for the inside corner of the present invention is shown in FIGS. 6 and 13. As shown in the above, the base V ₁₁ is composed of a plate-shaped base V ₁₁ having irregularities in a cross-sectional view and a U-shaped cross-sectional lid L ₁₁ covered by the base V ₁₁ . A pair of positioning pieces 16 provided at the tip of the base extension portion 2 of the base V ₁ of the base V 1 of the protective cover C ₁ for the inside corner is inserted into the base V ₁₁ with respect to the base V ₁ . A pair of positioning grooves 71 for positioning in the width direction are continuously formed in the longitudinal direction. The lid L ₁₁ of the straight protective cover C ₁₁ has a configuration in which a pair of side wall portions 72 are arranged facing each other with a width corresponding to the width of the base V ₁₁ and the top wall portions 73 are connected to each other. In the base V ₁₁ and the lid L ₁₁ , the fitting protrusions 75 of the lid L ₁₁ are fitted into the fitting recesses 74 provided at both ends of the base V ₁₁ in the width direction. By doing so, they can be assembled together (see FIG. 13).

Next, with reference to FIGS. 6 to 13, the piping material P piped to the inside corner A of the building is bent at the inside corner A to form the vertical first corner A. In a state where the piping material P is pulled out to the back of the wall through the through hole H drilled in the wall surface W ₁ , the bent piping portion Pa and the through hole H of the entrance corner portion A of the piping material P are formed into the above-mentioned entrance corner. The construction method of covering with the protective cover C ₁ for the part will be described. The portion of the first wall surface W ₁ where the through hole H is opened is covered with a protective ring 81 that covers the peripheral edge portion of the through hole H on the side of the first wall surface W ₁ and protects the piping material P. Further, the through hole H may be newly installed, but since the indoor unit 82 of the air conditioner may be installed by using the existing through hole, the intersections of the wall surfaces W ₁ and W ₂ of the inside corner portion A may be installed. There are various lengths from the portion A ₀ to the outer peripheral edge of the through hole H. The base V ₁ of the inner corner protection cover C ₁ according to the present invention has a structure in which the base base 1 can be fixed at the position closest to the through hole H so as to be able to cope with such a situation. ..

In the example shown in FIG. 6, since the through hole H is opened at a position away from the intersection A ₀ , the state-of-the-art small plate portion 12 is used as it is without breaking. The fixed position of the base V ₁ with respect to the first and second wall surfaces W ₁ and W ₂ is such that the base base 1 is arranged at the position closest to the peripheral edge of the through hole H on the first wall surface W ₁ . The specific small plate portion 11 of the base extension portion 2 is bent at an angle of 135 ° with respect to each of the small plate portions 11 or 12 adjacent to both sides, and the first and second wall surfaces W ₁ , W are bent. It is a position that satisfies each of the two conditions that can be arranged at the intersection A ₀ of ₂ . The front and rear small piece plates 11 and 12 of the inclined base extending portion 2a inclinedly arranged at the intersection A ₀ of the base base 1 and the wall surfaces W ₁ and W ₂ constituting the base V ₁ are screws, respectively. It is fixed to the first and second wall surfaces W ₁ and W ₂ using B. As a result, as shown in FIG. 7, the inclined base extension portion 2a, which is a specific small plate portion 11 constituting the base extension portion ₂ of the base V1, is formed on the wall surfaces W ₁ and W ₂ . Since it is firmly fixed to the base, it is possible to lock the base extension portion 2 with _each of the locking projections 31 of the lid L1 described later.

Next, on the second wall surface W ₂ , the pair of positioning pieces 16 provided on the state-of-the-art small piece plate portion 12 of the base extension portion 2 of the protection cover C ₁ for the inside corner is attached to the straight protection cover C ₁₁ Is inserted into the pair of positioning grooves 71 of the base V ₁₁ to position the base V ₁₁ in the width direction with respect to the base V ₁ , and the base V ₁₁ of the straight protection cover C ₁₁ is screwed B. It is fixed to the second wall surface W ₂ via.

Then, as shown in FIGS. 6, 7, 14 to 16, the lid L ₁ of the protective cover C ₁ for the inside corner is brought into close contact with the first wall surface W ₁ on the first wall surface W ₁ . In this state, when the wall surface W ₁ and W ₂ are slid toward the intersection A ₀ , the fitted portion of the base V ₁ which is also linear with respect to the fitting portion 29 of the linear lid L ₁ With the 4s fitted to each other, the lid L ₁ is slid until the end surface on the side of the opening 25 abuts on the second wall surface W ₂ . Immediately before the end surface of the lid L ₁ on the side of the opening 25 abuts on the second wall surface W ₂ , a pair of locking provided at each end of the pair of side wall portions 22 of the lid L ₁ on the side of the opening 25. The protrusion 31 is elastically deformed so that the pair of side wall portions 22 of the lid L ₁ expands slightly outward by abutting on both ends of the inclined base extending portion 2a in the width direction. After each locking projection 31 has passed through the inclined base extending portion 2a, the pair of side wall portions 22 of the lid L ₁ are restored to their original shapes, and as shown in FIGS. 15 and 16, the pair of left and right side walls are paired. The locking projection 31 of the above is arranged on the back surface side of the inclined base extending portion 2a, and each locking surface 31a facing the connection port 26 at an intersection angle of 45 ° is the inclined base extending portion. Adhere to the back surface of 2a. As a result, as shown in FIGS. 8, 11 and 12, the lid L _{1 has the first and second lids L 1} with respect to the base V ₁ fixed to the first and second wall surfaces W ₁ and W ₂ . The lid L ₁ is integrally assembled and fixed to the base V ₁ so that the second wall surface W ₁ and W ₂ cannot slide along both directions.

Here, the assembly of the lid L ₁ to the base V ₁ fixedly arranged on each of the wall surfaces W ₁ and W ₂ is performed by sliding in the above-mentioned direction, as well as the lid to the fixed base V ₁ . It is also possible to press the body L ₁ toward the intersection A ₀ of the wall surfaces W ₁ and W ₂ , and in this case, the side wall portions 22 arranged to face each other are slightly elastically deformed outward. After each of the fitting portions 29 arranged to face each other is expanded outward, the fitted portion 4 of the base V ₁ and the fitting portion 29 of the lid L ₁ are restored to their original positions. Be fitted. Further, the bases V ₁ and V ₁₁ of the inner corner protection cover C ₁ and the straight protection cover C ₁₁ are fixedly arranged on the wall surfaces W ₁ and W ₂ in a connected state, and the bases C ₁ and C are fixedly arranged. After arranging the piping material P on ₁₁ , the lid L ₁₁ is pressed against the base V ₁₁ of the straight protection cover C ₁₁ in the direction perpendicular to the second wall surface W ₂ to assemble, and then the inside corner portion. The lid L ₁ of the protective cover C ₁ is slid along the first wall surface W ₁ and pressed against the second wall surface W ₂ , and the lid L ₁ is assembled to the fixedly arranged base V ₁ . As a result, the end of the lid L ₁₁ of the assembled straight protective cover C ₁₁ is directed toward the second wall surface W ₂ while being covered with the lid L ₁ of the protective cover C ₁ for the inside corner. Is pressed. Therefore, the pressing directions of the lids L ₁ and L ₁₁ of the inner corner protective cover C ₁ and the straight protective cover C ₁₁ are the same, and the inner corner protective cover C ₁ and the straight protective cover C 11 are pressed in the same pressing direction. Both of ₁₁ are firmly assembled. The lid L ₁₁ of the straight protective cover C ₁₁ and the lid L ₁ of the protective cover C ₁ for the inside corner may be connected to each other and then assembled to the bases V ₁ and V ₁₁ at the same time. ..

Next, as shown in FIGS. 11, 13 and 16, the tip of the lid L ₁₁ of the straight protective cover C ₁₁ is connected to the connection port 26 of the lid L ₁ of the protective cover C ₁ for the inside corner. When the lid L ₁₁ is integrally assembled with the base V ₁₁ fixed to the second wall surface W ₂ by being inserted into the insertion space 35 formed between the inner wall portion 32 and the outer wall portion 34 of the above. As shown in FIG. 9, the linear protective cover C ₁₁ is connected to the inner corner protective cover C ₁ , and as shown in FIG. 10, the piping material connected to the indoor unit 82 of the air conditioner. (Fluid pipe) The indoor part of P is housed and protected by a plurality of covers including the inner corner protective cover C ₁ and the straight protective cover C ₁₁ .

In this way, the tip of the lid L ₁₁ of the straight protective cover C ₁₁ is formed between the inner wall portion 32 and the outer wall portion 34 of the connection port 26 of the lid L ₁ of the protective cover C ₁ for the inside corner. When inserted into the inserted insertion space 35, as shown in FIGS. 11 and 13, the lid body in the inner wall portion 32 formed in the connection port 26 of the lid body L ₁ of the protection cover C ₁ for the inside corner portion. The portion corresponding to the top wall portion 23 of L ₁ is arranged inside the top wall portion 73 of the lid body L ₁₁ of the straight protective cover C ₁₁ , and due to this arrangement structure, the lid of the protective cover C ₁ for the inside corner portion. The body L ₁ cannot slide in the direction away from the second wall surface W ₂ . The outer surface of the central portion in the width direction of the portion of the inner wall portion 32 of the lid L ₁ corresponding to the top wall portion 23 is a contact portion 32a formed to be slightly thicker than the other portions. The contact portion 32a is in contact with the inner surface of the top wall portion 73 of the lid L ₁₁ of the straight protective cover C ₁₁ (see FIG. 13). By both this arrangement structure and the locking structure of the locking projection 31 of the lid L ₁ and the inclined base extending portion 2a (11) of the base V ₁ , the protective cover C ₁ for the inside corner is provided. The lid L ₁ of the above is unable to slide in the arrangement direction Q along the first wall surface W ₁ , with respect to the base V ₁ fixedly arranged on the first and second wall surfaces W ₁ and W ₂ . The lid L ₁ is integrally assembled.

As described above, the base base 1 of the base V ₁ to which the lid L ₁ is integrally assembled by the fitting structure is the first wall surface W ₁ , and the through hole formed in the first wall surface W ₁ . Since it is fixedly arranged in the portion closest to H, the first wall surface W of the lid L ₁ integrally assembled with the base V ₁ fixedly arranged on the first and second wall surfaces W ₁ and W ₂ . The tip portion 37 on the side of ₁ (see FIGS. 9 and 11) is prevented from rising without using screw fixing, and is maintained in close contact with or close to the _first wall surface W1. Therefore, the trouble of screwing is eliminated, and the appearance of the tip portion of the lid L ₁ is improved.

Further, as shown in FIGS. 17 to 19, one state-of-the-art piece is used according to the arrangement position of the through hole H from the intersection _A0 of the _first and _second wall surfaces W1 and W2. By breaking off the plate portion 12 or by breaking off all the small plate portions 11 and 12, the base base portion 1 of the base base V ₁ can be fixedly arranged at the position closest to the through hole H. It is possible to suitably prevent the tip portion 37 of the lid L ₁ from rising without using screw fixing. Here, FIG. 18 shows a case where the penetration formation position of the through hole H is closer to the intersection A ₀ of the wall surfaces W ₁ and W ₂ as compared with the above example, and is connected to the straight protective cover C ₁₁ . Since the state-of-the-art small piece plate portion 12 becomes an obstacle to the connection, the state-of-the-art small piece plate portion 12 is cut off and the pair of positioning pieces 16 provided in the next small piece plate portion 12 is used to enter. This is an example of positioning the base V ₁₁ of the linear protective cover C ₁₁ with respect to the base V ₁ of the corner protection cover C ₁ . In FIG. 19, since the through hole H is formed through the first wall surface W ₁ in the vicinity of the intersection A ₀ of the wall surfaces W ₁ and W ₂ , all the small plate portions 11 and 12 of the base V ₁ are shown. This is an example in which the base base portion 1 is fixedly arranged on the opposite side of the intersection A ₀ in the through hole H formed in the first wall surface W ₁ by breaking off.

In the inner corner protective cover C ₁ of the _first embodiment, the base V 1'shown in FIGS. 20 and 21 and the base V _1'shown in FIG. 22 can also be used. The part corresponding to the base V ₁ is shown only by using the same reference numerals. The base V _1'consists of the base extension portion 40, and a plurality of small piece plates connected so as to be bendable. A horizontally long rectangular base base 43 fixed to the first and second wall surfaces W ₁ and W ₂ , respectively, is connected to both ends of the 41 and 42, and a plurality of bending grooves 44 are connected. By selecting and bending a specific bending groove 44 of 1 or 2, it can be used in a different mode (shape) as shown in FIGS. 21 (a) to 21 (c). On the side wall portions arranged on the first and second wall surfaces W ₁ and W ₂ of the lid corresponding to the base V ₁ ', both ends of the width direction R of each base base 43 of the base V ₁ ' Fitting portions corresponding to each fitted portion 45 formed along the arrangement direction Q are formed in the portions.

The base V ₁ "has a base base 48 fixed to the first and second wall surfaces W ₁ and W ₂ , respectively, on two small plate portions 47 that can be bent via the bending groove 46. A pair that is foldably connected via a bending groove 46 and is positioned at each base base 48 in the width direction of the base V ₁₁ of the linear protective cover C ₁₁ connected to each base base 48. In the usage example of FIG. 22A, the two small plate portions 47 are not brought into close contact with the respective wall surfaces W ₁ and W ₂ , and the two small plate portions 47 are formed on the respective wall surfaces W ₁ and W 2. It is inclined and arranged at the intersection A ₀ of W ₂ , and in the usage example of FIG. 22 (b), the two small plate portions 47 are fixed in close contact with the first and second wall surfaces W ₁ and W ₂ , respectively. The lid corresponding to the base V ₁ "is arranged at one end of the piping material P along the arrangement direction Q with the closing plate portion 27, as in the lid L ₁ of the first embodiment. Each of the first and second wall surfaces W, which is not closed and has connection ports provided at both ends along the arrangement direction Q of the piping material P and constitutes the inside corner portion A. The end portions of the straight protective covers arranged in ₁ and W ₂ are connected by the inside corner portion A.

Further, as shown in FIGS. 21 (b) and 21 (c), among the plurality of small piece plate portions 41 and 42 constituting the above-mentioned base V ₁ ', the wall surfaces W ₁ and W ₂ are inclined. The distances of the wall surfaces W ₁ and W ₂ of the inclined base extension portion 40a from the intersection A ₀ differ depending on the selection of the small piece plate portions 41 and 42. Correspondingly, the forming position of the locking projection formed on the lid and locked to the inclined base extending portion 40a of the base V _1'is a position where the distance from the intersection A ₀ is different. Is provided with a plurality of.

Further, in the above-mentioned base V ₁ , the width of each of the small plate portions 11 and 12 is made the same as the width of the base base 1, and the lids are attached to both ends of each of the small plate portions 11 and 12 in the width direction. A fitted portion to be fitted with the fitting portion 29 of L ₁ may be formed. Further, the members corresponding to the inclined base extending portions 2a and 40a, which are arranged on the wall surfaces W ₁ and W ₂ in an inclined posture and are locked to the locking projections of the lid, may be formed separately. good.

Next, with reference to FIGS. 23 to 26, the protective cover C ₂ for the inside corner of the second embodiment of the present invention will be described. The protective cover C ₂ for the inside corner is a base V ₂ fixedly arranged between the intersection A ₀ of the wall surfaces W ₁ and W ₂ on the first wall surface W ₁ and the through hole H, and the piping material P. It is composed of a lid L ₂ that is integrally assembled to the base V ₂ in a state of covering the bent piping portion Pa and the through hole H.

As shown in FIG. 24, the base V ₂ has a width direction R orthogonal to the arrangement direction Q of the base base 51 in which one long side of the rectangular plate is formed in an arc concave shape corresponding to the through hole H. Thick-walled standing walls 52 are formed at both ends, and the outer side of each standing wall 52 is a linear fitted portion 53. A reinforcing protrusion 54 is formed in the arrangement direction Q inside each standing wall 52 in the base base 51, and a thin-walled straight vertical wall 55 is provided on one long side of the base base 51. At the same time, another thin-walled vertical wall 56 is formed at both ends in the width direction in the arc-concave portion of the base base 51, and both ends in the width direction R of the base base 51 are formed on both ends in the width direction. An elongated screw hole 57 through which the screw B is inserted is formed.

As shown in FIG. 25, the lid L ₂ has a pair of side wall portions 22 and a top wall portion 23 shorter than the lid L ₁ of the first embodiment, and has a locking projection 31. Since the remaining portion is omitted and has the same shape, the corresponding portion is provided with the same code or the same code with "'", and only the illustration is performed.

Therefore, as shown in FIGS. 23 and 26, the base of the protective cover C ₂ for the inside corner is located between the intersection A ₀ of the wall surfaces W ₁ and W ₂ on the first wall surface W ₁ and the through hole H. With the base V ₂ fixedly arranged and the base V ₁₁ of the direct protection cover C ₁₁ fixedly arranged at the set position of the second wall surface W ₂ , the protective cover C for the inside corner is fixedly arranged on the first wall surface W ₁ . The lid L ₂ of ₂ is slid in the arrangement direction Q, the end surface of the opening 25 is brought into contact with the second wall surface W ₂ , and the fitted portion 53 of the base V ₂ and the lid L ₂ are fitted. Fit with the joint 29'. After that, the lid L ₁₁ of the straight protective cover C ₁₁ is slid on the second wall surface W ₂ in the arrangement direction Q, and the tip portions thereof are the inner wall portion 32 and the outer wall portion 34 of the lid L ₂ . The lid L is attached to the base V ₁₁ fixedly arranged on the second wall surface W ₂ by fitting the fitting concave portion 74 and the fitting convex portion 75 in the state of being inserted into the insertion space 35 between the two. When ₁₁ is integrally assembled, the inner wall portion 32 of the lid L ₂ is inside the top wall portion 73 of the lid L ₁₁ of the straight protective cover C ₁₁ in which the inner wall portion 32 is fixedly arranged with respect to the second wall surface W ₂ . By abutting on the side surface, the lid L ₂ of the inner corner protective cover C ₂ is integrally assembled to the base V ₂ without being separated from the second wall surface W ₂ .

As described in the portion of the base V ₁ ", in the present invention, a through hole for pulling out the piping material to the back of the wall is formed on one wall surface constituting the inside corner portion to form the inside corner portion. The lid body integrally assembled to the base fixed to at least one of the constituent wall surfaces is on the side where the through hole is formed in the lid body in order to cover the bent piping portion of the piping material and the through hole. The tip portion of the portion to be arranged along the arrangement direction is closed by the closing plate portion 27. However, in the present invention, one end of the piping material P in the lid body along the arrangement direction Q is closed with the closing plate portion 27. The first and second corners A are not blocked by the portion 27 and are provided with connection ports at both ends along the arrangement direction Q of the piping material P. It is also applicable to a configuration in which the end portions of the straight protective covers arranged on the wall surfaces W ₁ and W ₂ are connected by the inside corner portion A.

A: Inside corner A ₀ : Intersection of each wall surface C ₁ , C ₂ : Protective cover for inside corner C ₁₁ : Straight protective cover
H: Through holes L ₁ , L ₂ : Cover of protective cover for inside corner L ₁₁ : Cover of straight protective cover
P: Piping material (wiring / piping material)
Pa: Bent piping part
Q: Direction of arrangement of piping materials
R: Width direction orthogonal to the arrangement direction V ₁ , V ₂ : Base of protective cover for inside corner V ₁₁ : Base of straight protective cover W ₁ : First wall surface W ₂ : Second wall surface
θ: Crossing angle of the extension of the inclined base
1: Base base
2: Base extension part 2a: Inclined base extension part
4: Fitted part 11, 12: Small piece plate part 13: Folding groove 16: Positioning piece (index part)
21: Piping space path 22: Side wall part 23: Top wall part 26: Connection port 29: Fitting part 31: Locking protrusion 31a: Locking surface 32: Inner wall part (separation prevention inner wall part)
34: Outer wall part 35: Insertion space 37: Tip of lid 51: Base base 53: Fitted part

Claims (8)

Inside the bent part of the wiring / piping material that is bent and arranged along the first and second wall surfaces constituting the inside corner of the building and is drawn out to the back of the wall through the through hole formed through the first wall surface. It is a protective cover for the inside corner to be accommodated in
A base in which a base extension portion is extended along the arrangement direction of wiring and piping materials on the base base fixed to the first wall surface, and a base.
A pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion and arranged along the second wall surface. A connection port to which a protective cover can be connected is formed, and a lid body that is integrally assembled to the base with a fitting structure to cover the bent arrangement portion of the wiring / piping material and the through hole.
Equipped with
The fitting portion of the lid body is formed continuously or intermittently in the arrangement direction, so that the assembly position of the base base portion of the base with respect to the lid body along the arrangement direction can be set. , Can be changed,
The base extension portion of the base is provided with a plurality of bending deformation portions extending in a direction orthogonal to the direction in which the base extension portion extends at predetermined intervals along the arrangement direction.
By selecting and bending the bent and deformed portion of the base extension portion, the first and first positions are different from each other along the arrangement direction of the wiring / piping material with respect to the first wall surface. It is possible to form an inclined base extension part that is inclined and spans each wall surface of 2.
A protective cover for a corner portion, characterized in that the lid body is provided with a locking portion that is locked to the inclined base extending portion. The protective cover for a corner portion according to claim 1, wherein the portion of the base extending portion arranged on the second wall surface can be fixed to the second wall surface. The protection for a corner portion according to claim 2, wherein a break groove for adjusting the length of the base extension portion is formed on the tip end side of the base extension portion. cover. An index portion for determining an arrangement position along the width direction with the other protective cover is provided at the tip end portion of the base extension portion, and the tip end side of the base extension portion is provided by the folding groove. The protective cover for a corner portion according to claim 3, wherein the index portion is also configured to appear on a new tip portion generated after being broken off. An end portion of the other protective cover is fitted onto the connection port of the lid body, and an inner wall portion for preventing the lid body from separating from the second wall surface is at least a top wall of the lid body. The protective cover for a corner portion according to any one of claims 1 to 4, wherein the protective cover is provided inside the portion. Inside the bent part of the wiring / piping material that is bent and arranged along the first and second wall surfaces constituting the inside corner of the building and is drawn out to the back of the wall through the through hole formed through the first wall surface. It is a protective cover for the inside corner to be accommodated in
A base having a base base fixed to the first wall surface,
A pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion and arranged along the second wall surface. A connection port to which a protective cover can be connected is formed, and a lid body that is integrally assembled to the base with a fitting structure to cover the bent arrangement portion of the wiring / piping material and the through hole.
Equipped with
The fitting portion of the lid is formed continuously or intermittently in the arrangement direction of the wiring / piping material along the first wall surface, whereby the fitting portion of the base of the base with respect to the lid is formed. The assembly position along the arrangement direction can be changed.
The lid is fixedly arranged with respect to the second wall surface and the end portion of the other protective cover inserted inside the connection port is fitted onto the connection port so that the lid can be fitted to the second wall surface. A protective cover for an inside corner, characterized in that a separation prevention inner wall portion that prevents separation from the wall surface is provided inside the lid. It consists of a base that is arranged along each wall surface that intersects and constitutes the inside corner, and a lid that is integrally assembled to the base, and is arranged at the inside corner of the wiring / piping material. It is an assembly structure of the protective cover for the inside corner that accommodates the part.
The base is arranged along each wall surface of the inside corner portion, and at least one of the base bases is fixed to the wall surface via an inclined continuous portion in which each base base portion is inclined with respect to each wall surface. It is connected in a row
In the base and the lid, the fitting portion of the lid is fitted to the fitted portion provided along one wall surface of the base, and the fitting portion of the lid is provided on the lid. An assembly structure of a protective cover for a corner portion, characterized in that the locking portion is integrally assembled by being locked to the inclined continuous portion of the base. It consists of a base and a lid that are assembled to each other, and is bent and arranged along the first and second wall surfaces that form the inside corner of the building, and the wall is formed through a through hole formed through the first wall surface. It is an installation structure of a protective cover for the inside corner that accommodates the bent part of the wiring / piping material pulled out to the back.
The base base portion of the base base is fixed along the first wall surface, and a part of the base base extension portion extending from the base base portion in the arrangement direction of the wiring / piping material is the said. It is bent by the bending deformation part provided in the base extending part, and is arranged so as to span the inner wall surface in an inclined posture to form an inclined base extending part.
In the lid body, a pair of side wall portions having a fitting portion inside to be fitted to the fitted portion provided on the base base portion are connected by a top wall portion, and the bending portion of the wiring / piping material and the bending portion are connected. A cover portion that covers the through hole is formed, and an end portion of another protective cover disposed on the second wall surface can be connected to the connection port provided on the side of the second wall surface of the lid body. And
A structure for installing a protective cover for an inside corner, wherein the locking portion provided on the lid is locked to the inclined base extending portion of the base.

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