JP4628849B2 - Fluid pipe protective cover - Google Patents

Description

  The present invention relates to a long fluid pipe protective cover that accommodates and protects a fluid pipe therein by assembling a base and a lid.

The above-described fluid pipe protective cover includes a base fixed to a wall surface and the like, and a lid covered with the base. The base includes a fitting portion that fits the lid and a fluid pipe. And a pair of holding wall portions for holding the head are provided continuously in the longitudinal direction. As shown in FIG. 7, as a protective cover for holding a fluid pipe that is piped to a wall surface having an entrance corner and an exit corner, a linear main body protection cover Ca that accommodates and protects a straight tubular fluid pipe, Various attached protective covers Cb ₁ , Cb ₂ , Cb ₃ , and Cb ₄ that house and protect the connecting members such as elbows that connect the straight fluid pipes with the main body protective covers Ca connected to each other are used. The attached protective covers Cb ₁ , Cb ₂ , Cb ₃ , and Cb ₄ are respectively connected to the elbow at the corner A, the corner B, the bent portion D of the fluid pipe in the same plane, and the branch portion F of the fluid pipe in the same plane. It is an accessory cover used to contain and protect etc.

Then, when protecting the fluid conduit is a pipe the inner corner portion A of the building wall, as shown in FIG. 5, the walls W ₁ to form the inner corner portion A be orthogonal to each other, W ₂ The bases 10 and 30 of the main body protective cover Ca for straight pipes and the accessory protective cover Cb ₁ for corners are fixed to the wall surfaces W ₁ a and W ₂ a of The pipe unit PU connected to the straight tubular fluid pipe P is moved toward the corner A in a plane perpendicular to both the wall surfaces W ₁ a and W ₂ a.

Here, for example, as shown in Patent Document 1, when the holding wall portions 12 of the base 10 of the main body protection cover Ca for straight pipes are continuously provided to the end in the longitudinal direction, the pipe unit PU During the movement, the longitudinal end portion of the holding wall 12 interferes with the elbow E, and the elbow E cannot be disposed on the base 30 of the attached protective cover Cb ₁ (see FIG. 5). For this reason, at the work site, the terminal part of the main body protection cover Ca is twisted off using pliers or the like, but in addition to being troublesome, this work is not neatly cut, so the torsion cutting The portion may enter the housing space 15 of the base 10 and obstruct the insertion of the fluid pipe P. In addition, in the exit corner B other than the entrance corner A of the wall surface, the bent portion D, and the branching portion F, the holding wall portion 12 constituting the base 10 of the main body protective cover Ca and the elbow constituting the piping unit PU, etc. The above-mentioned problem does not occur because the connecting member does not interfere with each other.
Japanese Utility Model Publication No. 6-16799

  In view of the above problems, an object of the present invention is to enable piping without interfering between a holding wall portion of a base of a main body protection cover and a connecting member such as an elbow at a corner of a building wall.

The invention according to claim 1 for solving the above-mentioned problem has the same cross-sectional shape over the entire length, and accommodates and protects the fluid pipe inside by assembling the base and the lid. a Jo fluid tube protective cover, wherein the base includes a fitting portion for the lid and the fitting, and a pair of holding walls for holding the fluid tube, both in succession in the longitudinal direction The holding wall is provided with a breaking groove for breaking the distal end side forming the pipe insertion portion of the fluid pipe in the longitudinal direction.

  According to the first aspect of the present invention, the longitudinal end portion of the holding wall portion of the base can be easily cut out by using the break groove. For this reason, by using the base which cut | disconnected the said terminal part beforehand, the terminal part of the holding wall part of a fluid pipe protective cover (main body protective cover) does not interfere with connection members, such as an elbow which comprises a piping unit. The straight pipe-shaped fluid pipe and the connection member constituting the pipe unit can be accommodated in the bases of the straight pipe main body protective cover and the corner protective accessory cover, respectively.

  According to a second aspect of the present invention, in the first aspect of the present invention, the fitting portion is provided on a proximal end side of the holding wall portion, and the break-off groove is a holding wall portion rather than the fitting portion. It is characterized in that it is provided on the tip side.

  According to the second aspect of the present invention, there is a fitting portion in which the fitting portion of the lid is fitted even in the portion where the holding wall portion is cut off at the portion of the break-off groove in the base. The base and the lid can be firmly fitted over the entire length of the base. As a result, when the cut portion of the holding wall is the terminal portion of the base, the lid body does not float at the terminal portion in the longitudinal direction of the base.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the folding groove is provided on a proximal end side of the holding wall portion with respect to a central axis of the fluid pipe held by the pair of holding wall portions. It is characterized by being.

  According to the invention of claim 3, since the folding width of the holding wall portion becomes large, when protecting the fluid pipe piped in the corner of the building wall, the holding wall portion of the base and the piping unit are A non-interference range with a connecting member such as an elbow is increased, and the piping unit can be easily accommodated in a base fixed to the wall surface.

  Since the fluid pipe protective cover according to the present invention can easily cut the longitudinal end portion of the holding wall portion of the base using the break groove, by using the base in which the end portion is cut in advance. A straight tubular fluid pipe constituting a pipe unit on each base of the main body protective cover for the straight pipe and the attached protective cover for the corner entry without the terminal portion of the holding wall interfering with a connecting member such as an elbow And the connecting member can be accommodated.

  Hereinafter, the present invention will be described in more detail with reference to the best mode. FIG. 1 is an exploded perspective view of a base 10 and a lid 20 constituting a main body protective cover Ca according to the present invention, and FIG. 2 is a cross-sectional view of the base 10 and the lid 20 assembled together. It is. 1 and 2, a main body protective cover Ca, which is a fluid pipe protective cover according to the present invention, is a linear long member, a base 10 fixed to a wall surface, and a fluid pipe on the base 10. It is comprised with the cover body 20 covered with the state in which P was accommodated. The base 10 and the lid 20 are both extruded products of resin.

  The base 10 includes a bottom plate portion 11 having a central portion in the width direction that is higher than both end portions and having a step shape along the width direction, and a pair of holdings integrally provided on the inner surface side of the bottom plate portion 11. It is comprised with the wall part 12. FIG. The pair of holding wall portions 12 includes a holding wall base portion 12a formed perpendicular to the bottom plate portion 11, and an elastically deformable holding wall body portion integrally provided outside the upper end portion of the holding wall base portion 12a. 12b. The upper end portion of the holding wall main body portion 12b is bent inward, and a fitting protrusion of a lid 20 described later is provided between the base end portion of each holding wall main body portion 12b and the bottom plate portion 11. A pair of fitting recesses 13 into which the portions 23 are fitted are formed continuously along the longitudinal direction in a form opening to the side. A space between the pair of holding wall portions 12 and the bottom plate portion 11 is accommodated in the space formed by the pair of holding wall portions 12 and the bottom plate portion 11. It becomes the accommodation space 15 to be.

  On the other hand, the lid 20 includes a top plate portion 21 disposed with a predetermined heat insulation space 51 between the top end of each holding wall portion 12 of the base 10 and each holding wall portion of the base 10. 12 is provided with a predetermined heat insulating space 52 between the top plate portion 21 and a pair of side plate portions 22 integrally provided opposite to both sides of the top plate portion 21, and the top plate portion 21. The opposite side is open. A pair of fitting convex portions 23 are formed continuously at the inner side of each side plate portion 22 and at the opening-side end portion along the longitudinal direction so as to face each other in the width direction.

  Then, as shown by a two-dot chain line in FIG. 2, when the fluid pipe P is inserted into the inside from the pipe insertion portion 14 of the base 10, each holding wall main body portion 12b is elastically deformed outward, and the internal accommodation space. 15, the fluid pipe P is accommodated. In this accommodated state, the fluid pipe P is supported by the distal ends of the pair of left and right holding wall base portions 12 a and the pair of left and right holding wall main body portions 12 b restored to the original shape. . Thereafter, when the lid 20 is covered with the base 10 from the tube insertion portion 14 side of the base 10, the holding wall portion 12 of the base 10 is placed inside the distal end portion of each side plate portion 22. When each provided fitting projection 23 is elastically contacted with each holding wall 12, each side plate portion 22 is elastically deformed outward, and the fitting recess 13 of the base 10 and the fitting projection of the lid 20. After the 23 is fitted, each side plate portion 22 of the lid 20 is restored to the original shape. As a result, the base 10 and the lid 20 are assembled together, and the fluid pipe P accommodated in the accommodation space 15 of the base 10 is protected in a state of being insulated by the surrounding thermal insulation spaces 51 and 52.

  Further, as shown in FIGS. 1 and 2, a break groove 16 having a V-shaped cross section is formed on the outer surface of the base end portion of the holding wall main body portion 12 b of each holding wall portion 12 constituting the base 10. Are continuously provided along the longitudinal direction. The position of the break-off groove 16 provided in the holding wall portion 12 is based on the central axis K of the fluid pipe P accommodated and protected in the accommodation space 15 of the base 10, and the holding wall portion 12 is more than the central axis K. For example, the cutting end portion 12c of the end portion in the longitudinal direction of the holding wall portion 12 is cut off, and the connecting member such as the elbow E and the holding wall portion are piped at the corner portion A. From the standpoint of avoiding interference with 12, there is an advantage that the non-interference range is widened. On the other hand, when the fitting recess 13 of the base 10 is used as a reference, the folding groove 16 is located on the distal end side of the holding wall 12, so that it fits securely with the lid 20 over the entire length of the base 10. There is an advantage that the lid 20 is not lifted even at the terminal portion in the longitudinal direction of the base 10. The depth of the V-shaped cross-section groove 16 is about 0.3 mm when the thickness of the holding wall portion 12 is 1.5 mm. Both objectives of securing elastic restoring force are achieved.

Next, the main body protective cover Ca for accommodating and protecting the straight tubular fluid pipe P, and the attached protective cover Cb ₁ for accommodating and protecting the elbow E connecting the straight tubular fluid pipes P at the corner A of the building wall, Will be used to explain the method of piping while avoiding the interference between the holding wall 12 of the base 10 of the main body protective cover Ca and the elbow E at the corner A of the building wall. FIG. 3 is a perspective view of a state in which the base 30 of the attached protective cover Cb ₁ is fixed to the corner A of the intersection of the building wall surfaces W ₁ a and W ₂ a, and FIG. FIG. 4 is a perspective view of a state in which the base 10 of the main body protective cover Ca is connected and fixed to the building wall surfaces W ₁ a and W ₂ a at both ends of the base 30 of the attached protective cover Cb ₁ fixed to FIG. 5 is a plan view of the same state, and FIG. 6 shows that the fluid pipe P and the elbow E are accommodated in the base 10 of the main body protective cover Ca and the base 30 of the attached protective cover Cb ₁ , respectively. FIG. 7 is a perspective view showing a state before the bodies 20 and 40 are covered. FIG. 7 is a diagram showing fluids protected on the wall surfaces of the building wall by the main body protective cover Ca and the attached protective covers Cb ₁ , Cb ₂ , Cb ₃ , and Cb _4. It is a perspective view in the state where pipe P was piped.

As shown in FIGS. 3 and 6, the attached protective cover Cb ₁ is composed of a base 30 fixed to the wall surface and a lid 40 covered by the base 30 in the same manner as the main body protective cover Ca. Composed. Each of the base 30 and the lid 40 has an L shape corresponding to the shape of the corner A, and the base 30 has both ends in the longitudinal direction (parts excluding the bent portion being the central portion). A pair of left and right engaging claws 31 are formed, and an engaged claw 41 corresponding to each engaging claw 31 is formed on the inner surface of the lid body 40. 3, 32 is a pair of support protrusions formed in the longitudinal direction in order to support a connecting member such as an elbow E, which is formed on the bottom plate portion 33 of the base 30.

First, as shown in FIG. 3, after the base 30 of the attached protective cover Cb ₁ is fixed at a predetermined height position of the entrance corner A formed by the orthogonal building wall surfaces W ₁ a and W ₂ a. 4 and 5, the base 10 of the main body protective cover Ca is connected to both ends of the base 30, and fixed to the building wall surfaces W ₁ a and W ₂ a. In this state, the terminal portion on the base 30 side of the attached protective cover Cb ₁ is cut out by a predetermined length (L) along the longitudinal direction of the holding wall portion 12 constituting the base 10 of the main body protective cover Ca. This cutting is performed by cutting the holding wall portion 12 along the height direction to the portion of the breaking groove 16 using a pliers or the like at the cutting line 17 (see FIG. 1) of the holding wall portion 12. When the cut-out portion 12c (see FIG. 1) of the portion 12 is pushed inwardly and folded, or when the portion of the cut-off groove 16 is cut with pliers or the like, the cut-out portion 12c is cut and the holding wall portion 12 d of holding wall defect | deletion parts are formed in the terminal part of 12 longitudinal directions. In addition, the cutting by cutting the planned cutting portion 12c may be performed before the base 10 of the main body protective cover Ca is fixed to the building wall surfaces W ₁ a and W ₂ a. In FIGS. 4 and 5, 12d ′ indicates a cut piece.

As described above, as shown in FIGS. 4 and 5, by cutting the terminal portion along the longitudinal direction of the holding wall portion 12 constituting the base 10 to form the holding wall defect portion 12d, The elbow E connecting the two straight tubular fluid pipes P and the terminal part of the holding wall part 12 of the base 10 do not interfere with each other. Therefore, the piping unit PU in which the two straight tubular fluid pipes P are connected via the elbow E is indicated by an arrow Q in a plane perpendicular to the building wall surfaces W ₁ a and W ₂ a forming the corners A. Each fluid pipe P and elbow E are accommodated in the base 10 of each main body protective cover Ca and the base 30 of the attached protective cover Cb ₁ by being moved in the directions shown (see FIGS. 4 and 5). ).

Next, as shown in FIG. 6, the lid 20 is covered with each base 10 fixed to each building wall W ₁ a, W ₂ a and containing the fluid pipe P in the accommodation space 15. After that, the lid 40 is covered with the base 30 of the attached protective cover Cb ₁ fixed to the corner portion A. As a result, the base 10 in which the fluid pipe P is accommodated in the accommodation space 15 is covered with the lid body 20 to protect the fluid pipe P, and the elbow E connecting the fluid pipes P has a corner. In the part A, it is accommodated and protected in the space part between the base 30 and the cover body 40 of the attached protective cover Cb ₁ (see FIG. 7). Note that both ends of the lid 40 of the attached protective cover Cb ₁ in the longitudinal direction cover the outside of the longitudinal ends of the lid 20 of the main body protective cover Ca.

  In addition, depending on the piping work, in addition to the case where the fluid pipe P is pushed into the internal accommodation space 15 from the pipe insertion portion 14 of the base 10 as described above, In some cases, the fluid pipe P is inserted and accommodated toward the other end. In the latter case, when the insertion length of the fluid pipe P is long, the fitting force of the fluid pipe P held in the fitted state between the pair of holding wall portions 12 increases, resulting in a large insertion resistance. Therefore, a large force is required for the insertion operation of the fluid pipe P. Therefore, as shown in FIG. 8, the intermediate portion of each holding wall portion 12 of the base 10 is folded by a predetermined length by using the breaking groove 16 to break the intermediate portion of each holding wall portion 12. The intermediate deficient portion 12e is formed to reduce the fitting force of the fluid pipe P and reduce the insertion resistance of the fluid pipe P. As a result, the force required for the insertion work can be reduced. In FIG. 8, 12 e ′ indicates a cut piece of the intermediate defect 12 e.

  In the above-described embodiment, the folding groove 16 is formed on the outer surface of the holding wall portion 12 of the base 10, but can be formed on the inner surface, and in either case, an extrusion mold. It is possible to carry out without requiring a large mold change simply by forming a protrusion having a V-shaped cross section on the extrusion molding surface.

It is a disassembled perspective view of the base 10 and the cover body 20 which comprise the main body protective cover Ca which concerns on this invention. It is sectional drawing of the state in which the base 10 and the cover body 20 were assembled | attached. Building wall W ₁ a, base 30 that comes protective cover Cb ₁ to internal corner portion A of the intersection of W ₂ a is a perspective view of a state of being fixed. A perspective view in which the base 10 of the main body protective cover Ca is connected and fixed to the building wall surfaces W ₁ a, W ₂ a at both ends of the base 30 of the attached protective cover Cb ₁ fixed to the corner A. FIG. It is a top view of the same state. FIG. 6 is a perspective view of a state before the fluid pipe P and the elbow E are accommodated in the base 10 of the main body protective cover Ca and the base 30 of the attached protective cover Cb ₁ and covers the lid bodies 20 and 40, respectively. It is a perspective view of a state in which a fluid pipe P is piped on each wall surface by being protected by a main body protective cover Ca and attached protective covers Cb ₁ , Cb ₂ , Cb ₃ , Cb ₄ . It is a perspective view in the state where the middle part of holding wall part 12 of base 10 of main part protection cover Ca was excised.

Explanation of symbols

A: Corner of building wall
E: Elbow (connection member)
K: Center axis of fluid pipe
P: Fluid pipe
10: Base
12: Holding wall
12d: retaining wall defect
13: Fitting recess (fitting part)
16: Breaking groove
20: Lid
23: fitting convex part (fitting part)

Claims (3)

A long fluid pipe protective cover that has the same cross-sectional shape over its entire length and accommodates and protects the fluid pipe inside by assembling the base and the lid,
Wherein the base includes a fitting portion for the lid and the fitting, and a pair of holding walls for holding the fluid tube, both provided continuously in the longitudinal direction,
The fluid pipe protective cover according to claim 1, wherein a folding groove for folding a distal end side forming a pipe insertion portion of the fluid pipe is continuously provided in the longitudinal direction on the holding wall portion. The said fitting part is provided in the base end side of the said holding wall part, and the said folding groove is provided in the front end side of the holding wall part rather than the said fitting part. The fluid pipe protective cover described in 1. 3. The fluid pipe according to claim 1, wherein the folding groove is provided on a proximal end side of the holding wall portion with respect to a central axis of the fluid pipe held by the pair of holding wall portions. Protective cover.

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