Wiring and piping cover device

Abstract

In an installation path having a cover body and a connecting body that connects the cover body to an installation body, the connecting body can maintain a connected and fixed state even when the lid body of the cover body is separated. [Solution] Base V fixed to installation surface F 11 and the base V 11 Cover body L that covers 11 Cover body C consisting of 11 and the cover body C 11 and a connecting body A, the interior of which serves as a wiring and piping path, 11 At the end of the side, the cover body C 11 Base V 11 The connector is configured to have a fitting and locking recess 38 that can be locked onto the fitting and locked protrusion 17 provided on the connector.

Description

[Technical Field]

[0001] The present invention relates to a wiring / piping material cover device having a cover body in which wiring / piping materials or pipe joints are arranged in an internal arrangement space. In this specification, "arrangement path" refers to the internal space of an arrangement body and a connector that arranges wiring and piping materials along the longitudinal direction, and "flow path" refers to the passage for fluid that flows inside a fluid pipe and a pipe fitting that connects the fluid pipe. [Background technology]

[0002] Patent Document 1 discloses two second protective ducts 12 that are installed in a straight line to accommodate one refrigerant pipe 15, and a first protective duct 11 that accommodates two refrigerant pipes 15 that are piped in parallel, with each refrigerant pipe 15 accommodated in the second protective duct 12 and bent at a right angle, with each end connected to a cover body (pipe joint) 21 that accommodates the right-angle bent portions of the two refrigerant pipes 15 therein. The cover body 21 is made up of a base body 22 that is fixed to the installation surface, and a cover 23 that cooperates with the base body 22 to accommodate the right-angle bent portions of the two refrigerant pipes 15 therein.

[0003] The size of each of the three connection parts of the cover body 21 is the same, and the second protective duct 12, which accommodates one refrigerant pipe 15, is smaller than the first protective duct 11, which accommodates two refrigerant pipes 15 piped in parallel.Therefore, auxiliary covers 31 are used at the two connection parts of the cover body 21 to which the smaller first protective duct 11 is connected, in order to absorb the size difference.

[0004] Therefore, when cover 23 is removed to inspect the right-angle bend in the refrigerant pipe inside cover body (pipe joint) 21, auxiliary cover 31 is also removed. As a result, reassembly of the parts of cover body 21 that require the assembly of auxiliary cover 31 is troublesome, and there is also a risk of losing the small auxiliary cover 31 that is removed at the same time when cover 23 is removed. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2006-125474 Summary of the Invention [Problem to be solved by the invention]

[0006] The present invention aims to provide an arrangement path having a cover body and a connecting body that connects the cover body to an arrangement body, where the connecting body can maintain a connected and fixed state even when the lid body of the cover body is separated. [Means for solving the problem]

[0007] The invention of claim 1 to solve the above problem is: a cover body in which a base fixed to an installation surface and a lid body covering the base are assembled together to form an arrangement space for wiring, piping materials or pipe joints therein and also form a passage that connects the arrangement space to the outside; a connecting body having a top wall portion facing the installation surface and a pair of side wall portions extending in opposition to the installation surface with both ends of the top wall portion in the width direction as base ends, the connecting body being connected to the cover body with one end side of the wiring / piping material in the flow path direction inserted into the opening of the cover body, the inside of the connecting body forming an arrangement path for the wiring / piping material; The one end of the connecting body is provided with a locking portion that can be locked to a locked portion provided on the base of the cover body.

[0008] According to the invention of claim 1, one end side of the connecting body in the flow path direction has its own engaging portion engaged with an engaging portion provided on the base of the cover body, so even if the lid of the cover body is removed, the connecting body is engaged with the base of the cover body and will not be removed together with the lid of the cover body.

[0009] The invention of claim 2 is the invention of claim 1, the connecting body is capable of flexibly deforming so that the pair of side wall portions move toward or away from each other; the locking portions are provided in pair, extend from the pair of side wall portions in the flow path direction, and are movable by the bending deformation between an unlocked position where they are close to each other and an engaged position where they are spaced apart from the unlocked position and can be engaged with the locked portion, The connecting body is characterized in that it can be locked by being placed against the installation surface and moved toward a base of the cover body fixed to the installation surface.

[0010] According to the invention of claim 2, when the connecting body, which is placed on the installation surface, is brought close to the base of the cover body in the flow path direction, the pair of locking portions of the connecting body abut on the abutting portions immediately before the pair of locked portions of the base of the cover body, and the connecting body is deflected and deformed so that the pair of side wall portions approach each other. Then, when the connecting body is brought closer, the deflection of the pair of side wall portions of the connecting body is released, and the connecting body returns to its original shape, and the pair of locking portions of the connecting body and the pair of locked portions of the base of the cover body are engaged with each other, and the connecting body is integrally connected to the base. In this way, the connecting body can be positioned with respect to the base of the cover body using the installation surface as a reference.

[0011] The invention of claim 3 is the invention of claim 2, The device further includes an elongated wiring body having a wiring / piping material path formed therein along the longitudinal direction, a connecting portion connectable to the installation body is provided on the other end side of the connecting body in the flow path direction, The entire connecting body can be fitted onto the end of the arrangement body fixed to the installation surface, and from this fitted state, the connecting body can be slid along the longitudinal direction of the arrangement body, so that the engaging portion can be engaged with the engaged portion.

[0012] According to the invention of claim 3, the arrangement is installed in a state where it is positioned in advance along both the flow path direction and the direction perpendicular to the flow path direction relative to the base of the cover body, and the entire connecting body is fitted onto the end of the arrangement fixed to the installation surface, and the connecting body is slid along the longitudinal direction of the arrangement, thereby engaging a pair of locking portions of the connecting body with a pair of engaged portions of the base. [Effects of the Invention]

[0013] According to the invention of claim 1, one end side of the connecting body in the flow path direction has its locking portion locked to a locked portion provided on the base of the cover body, so even if the lid of the cover body is removed, the connecting body is locked to the base of the cover body and will not be removed together with the lid of the cover body. Also, according to the invention of claim 3, the arrangement body is installed in a state where it is positioned in advance with respect to the base of the cover body along both the flow path direction and the direction perpendicular thereto, and when the entire connecting body is fitted onto the end of the arrangement body fixed to the installation surface and then slidably moved along the longitudinal direction of the arrangement, the pair of locking portions of the connecting body and the pair of locked portions of the base are locked to each other, and the connecting body is integrally connected to the base of the cover body. [Brief explanation of the drawings]

[0014] [Figure 1] 1 is an exploded perspective view of each member constituting a wiring / piping material cover device using a connecting body A of the present invention. FIG. [Figure 2] This is an exploded oblique view showing a state in which the bases V1 of two large-diameter installation bodies C1 are connected in a straight line to the base V11 of the cover body C11, and a three-way joint D, which connects two large-diameter fluid pipes P1 and one small-diameter fluid pipe P2 in a T-shape, is placed on the base V11. [Figure 3] This is a perspective view showing the state in which the lid body L11 of the cover body C11 is covering the base V11 of the cover body C11 on which the three-way joint D is arranged and the connecting body A connected to one end of the small-sized installation body C2 just before the completion of the piping work of a total of three fluid pipes P1 and P2 with different outer diameters. [Figure 4]This is a perspective view of the state in which the connecting body A is fitted over almost the entire small-diameter installation body C2, and the connecting body A is slid to fit the branch portion 4 of the lid body L11 of the cover body C11 over the fitted portion 36 at one end in the flow path direction, completing the piping work of a total of three fluid pipes P1 and P2 with different outer diameters. [Figure 5] FIG. 10 is a perspective view showing a state in which piping work is completed. [Figure 6] 10(a) and 10(b) are perspective views of the base V11 of the cover body C11 as seen from the front and rear sides, respectively. [Figure 7] 6(a) and 6(b) are cross-sectional views taken along the lines X1-X1 and X2-X2 in FIG. 6(a), respectively. [Figure 8] 1(a) and 1(b) are perspective views of the connector A as seen from different directions. [Figure 9] 1(a) to 1(e) are a front view, a plan view, a rear view, a bottom view, and a left side view of the connecting body A, respectively. [Figure 10] 8(a) to 8(c) are cross-sectional views taken along lines Y1-Y1 to Y3-Y3 in FIG. 8(b), respectively. [Figure 11] 10(a) and 10(b) are perspective views showing the state before and after the connecting body A is pressed from above onto the base V11 of the cover body C11 and attached after the small diameter fluid pipe P2 has been installed. [Figure 12] 10(a) and 10(b) are cross-sectional views of the same state, viewed from the upstream side to the downstream side of the fluid flowing through a small-diameter fluid pipe P2. [Figure 13] 10 is a plan sectional view showing a state in which the fitting and locking recess 38 of the connecting body A is locked with the fitting and locking protrusion 17 of the base V11 of the cover body C11. FIG. [Figure 14] 10 is a plan view showing a state in which the connecting body A is being attached to the base V11 of the cover body C11 by sliding. [Figure 15] 10 is a longitudinal cross-sectional view of the cover body C11, the connecting body A, and the installation body C2. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0015] The present invention will be described in more detail below with reference to several preferred embodiments.

[0016] First, an outline of the "wiring and piping material cover device" of the present invention will be described with reference to Figures 1 to 5, and then each member constituting the wiring and piping material cover device will be described in detail. The "wiring and piping material cover device" of the present invention is configured such that, when two large-diameter fluid pipes P1 are connected in a straight line using a three-way joint (tee joint) D and one small-diameter fluid pipe P2 is branched at right angles to the two fluid pipes P1, a part of an inclined piping portion P2a generated at a portion of the small-diameter fluid pipe P2 connected to the three-way joint D is arranged in the arrangement path of a connecting body A, and the connecting body A is connected to a cover body C that is T-shaped in a plan view and that houses the three-way joint D therein. 11 The three-way joint D is characterized by a structure in which the two large-diameter fluid pipes P1 are connected in a straight line. The three-way joint D is composed of a straight joint portion 1 having a straight pipe shape, which connects two large-diameter fluid pipes P1 in a straight line, and a branch joint portion 2 which is perpendicular to the straight joint portion 1 and has its axis positioned at the same height as the axis of the straight joint portion 1 as shown in Figure 15, and which connects the small-diameter fluid pipe P2.

[0017] Two large-diameter fluid pipes P1 connected in a straight line via the straight joint portion 1 of the three-way joint D are housed and held in respective installation bodies C1, and a small-diameter fluid pipe P2 that branches off perpendicularly to the two large-diameter fluid pipes P1 is housed and held in an installation body C2 that is smaller than the installation body C1. Each installation body C1 that houses and holds the two large-diameter fluid pipes P1 comprises a base V1 fixed to the installation surface F, and a cover body L1 that is assembled integrally with the base V1 to form an internal storage space in cooperation with the base V1. The cover body C is T-shaped in a plan view. 11 is the base V fixed to the installation surface F 11 and the base V 11 By assembling it integrally with the base V 11 A cover L which cooperates with the cover L to form an accommodation space for the three-way joint D therein. 11 The bases V1 of the respective installation bodies C1 of the two large-diameter fluid pipes P1 are 11 Base V 11The cover body C is connected in a straight line to each of the straight line connection portions 11. 11 The base V 11 and lid body L 11 Both of these are T-shaped in plan view.

[0018] The small-diameter fluid pipe P2 is housed and held in another arrangement C2 that is smaller than the arrangement C1, and the arrangement C2 is made up of a base V2 that is fixed to the installation surface F, and a cover L2 that is assembled integrally with the base V2 and forms a housing space for the small-diameter fluid pipe P2 in cooperation with the base V2. The small-diameter fluid pipe P2 is connected to the branch joint portion 2 of the three-way joint D, and thereby a total of three fluid pipes P1, P2, consisting of two large-diameter fluid pipes P1 and one small-diameter fluid pipe P2, are connected to each other via the three-way joint D, with the small-diameter fluid pipe P2 forming a branch pipe. As shown in Figure 15, the heights H1, H2 from the installation surface F of the respective axes K1, K2 of the large-diameter and small-diameter fluid pipes P1, P2 are different (H1>H2), so when one end of the small-diameter fluid pipe P2 is connected to the branch joint portion 2 of the three-way joint D, a predetermined length of the small-diameter fluid pipe P2 calculated from the branch joint portion 2 becomes an inclined piping portion P2a (see Figure 15) that is piped in an inclined state with respect to the installation surface F, and most of the inclined piping portion P2a is not contained in the installation body C2 and is in an aerial piping state. Therefore, the base V2 of the installation body C2 of the small-diameter fluid pipe P2 is connected to the cover body C. 11 Base V 11 15, the bases V1 and V2 of the respective installation bodies C1 and C2 are configured such that a pair of holding pieces 82 (84) for holding the fluid pipe P1 (P2) are integrally provided on the upper surface of a base plate portion 81 (83) fixed to the installation surface F.

[0019] The cover body C 11 Lid L 11 The connecting body A is made up of a straight portion 3 and a branch portion 4 which is provided integrally with the straight portion 3 and perpendicular to the longitudinal center of the straight portion 3. The connecting body A has a split opening 35 which is open on the entire surface of the side facing the installation surface F, and a fitting and locking recess 38 provided on the upstream side in the flow path direction is provided on the cover body C.11 Base V 11 In a state where the cover body C is fitted and locked to the fitting and locked protrusion 17 of the branch connection portion 12, the upstream end in the flow path direction is 11 Lid L 11 The branch portion 4 is fitted onto the outside of the cover body C2, and the downstream end of the branch portion 4 is fitted onto the end of the installation body C2, which houses and holds the small diameter fluid pipe P2 inside. 11 In order to absorb the size difference between the three-way joint D and the cover body C2, the split opening 35 is kept flat, and the perimeter is gradually reduced from the upstream side to the downstream side of the flow path while maintaining the similarity of the cross section. 11 The fluid pipes P1, P2, the installation members C1, C2 and the connector A are all made of resin.

[0020] Next, referring to FIGS. 1 to 7, particularly FIGS. 6 and 7, the cover body C 11 The base V that constitutes 11 and lid body L 11 The T-shaped base V 11 A pair of linear connection parts 11 and one branch connection part 12 provided in the above-mentioned connection part 11 have the same shape including dimensions, and each of the three connection parts 11, 12 has a thick-walled part 14 formed to be thick by a predetermined length along the flow path direction relative to the base plate part 13 over the entire width, and at both ends in the width direction of each connection part 11, 12, a standing wall part 15 including the thick-walled part 14 is formed along the flow path direction, and on the outside of each standing wall part 15, a lid body L is provided. 11The inner surface of each of the upright wall portions 15 is formed with a portion that is connected to the thick portion 14 and stands up, and is thicker than the other portions to form a mating mating protrusion 17 into which the mating mating recess 38 of the connecting body A is mated. The inclined inner surface 17a of the mating mating protrusion 17 is inclined at an obtuse angle with the upper surface of the thick portion 14 to ensure a secure fit with the mating mating recess 38 of the connecting body A (see FIG. 7). In the center of the width direction of the upper surface of the base plate portion 13, recessed lines 18a and 18b are formed perpendicularly along the linear connection direction and the branching direction, respectively, which indicate the center of the width direction of the base plate portion 13. At a total of four locations, including the portions where the recessed lines 18a and 18b intersect with the thick portion 14 at the ends thereof and the portions where the recessed lines 18a and 18b intersect, the base V 11 The cover body C has screw insertion holes 19 through which screws 91 are inserted to fix the cover body C to the installation surface F. 11 The base V that constitutes 11 and lid body L 11 With the cover body C assembled, 11 The portion where the large diameter fluid pipe P1 is drawn out from the internal storage space and the portion where the small diameter fluid pipe P2 is drawn out and the connecting body A is attached are both through holes 20 (see FIG. 5). Note that 16b indicates an assembly locking portion provided between two other assembly locking portions 16a formed along the linear connecting direction of the base plate portion 13, and 21 indicates a cover body C. 11 Base V 11 10 shows a pair of positioning pieces for positioning in the width direction when connecting the bases V1 and V2 of the mounting bodies C1 and C2 to the mounting body C1.

[0021] Cover body C 11 Base V 11 A three-way joint D to which two large-diameter fluid pipes P1 and one small-diameter fluid pipe P2 are connected is disposed on the base V. 11 With the connecting body A attached to the branch connection portion 12 of the base V 11 Lid L that can be assembled to 11 As shown in FIGS. 1, 3 and 5, the base V11 The base V has a T-shape corresponding to the straight portion 3 and the branch portion 4. 11 The cover L cooperates with the cover L to form an accommodation space for the three-way joint D inside. 11 The inner surfaces of the side walls of the straight portion 3 and the branch portion 4 are 11 The base V has an assembly locking portion 22a formed thereon, which corresponds to the assembly locking portions 16a and 16b. 11 An assembly locking portion corresponding to the assembly locked portion 16b is not shown.

[0022] As shown in FIGS. 8 to 10, the connecting body A is a cover body C. 11 Base V 11 In a state where the cover body C is attached to the branch connection portion 12 of the 11 and the installation body C2 that houses and holds the small-diameter fluid pipe P2, and covers and protects the inclined piping portion P2a of the fluid pipe P2 that is installed in that portion, and is provided with a pair of intrusion prevention portions 32 that prevent the linear expansion of the fluid pipe P2 due to heat from concentrating on the inclined piping portion P2a and causing buckling. 11 Lid L 11 The branch portion 4 of the connecting body 31 is fitted onto the outside of the cover body C2, and the installation side connecting portion 42 is fitted onto the outside of the end of the installation body C2 which accommodates and holds the small diameter fluid pipe P2 inside. 113 and 8 to 10, the connecting body A is made up of a connecting body main body 31 and a pair of intrusion prevention parts 32 provided at the upstream end of the connecting body main body 31 in the flow path of the small-diameter fluid pipe P2 so as to protrude upstream. The connecting body main body 31 has side wall portions 34 extending from both widthwise ends of the top wall portion 33 arranged opposite the installation surface F toward the installation surface F, and a split slit 35 that allows a small-diameter fluid pipe P2 to pass between the tips of the side wall portions 34. Therefore, the cross section of the connecting body main body 31 is formed in a U-shape at any part along the flow path direction, and as each side wall portion 34 flexes and deforms, the width of the split slit 35 changes, and the spacing along the width direction of the split slit 35 of the pair of entry prevention portions 32 changes. At the upstream end of the connecting body main body 31 in the flow path direction, a U-shaped cross-sectionally fitted portion 36 is provided, which is in contact with the cover body C relative to other parts. 11 Lid L 11 The pair of intrusion prevention sections 32 are integrally provided in a cantilevered manner at the upstream tip (free end) of each side wall section 34, via support arms 37, so that the pair of intrusion prevention sections 32 are arranged at a predetermined distance in the center of the width direction of the connecting body main body 31, protruding upstream from the connecting body main body 31. The space surrounded by the top wall section 33 and the pair of side walls 34 of the connecting body main body 31 and opened downward by the split opening 35 forms an arrangement path space 41 in which an inclined piping section P2a of the small-diameter fluid pipe P2 is arranged, forming an inclined flow path.

[0023] The pair of intrusion prevention portions 32 have a predetermined length along the direction of the flow path of the small-diameter fluid pipe P2 housed and held in the installation body C2 into which the downstream end of the connector body 31 is fitted, and are provided parallel to the split opening 35 of the connector body 31. Therefore, the pair of intrusion prevention portions 32 are arranged at an incline relative to the flow path of the inclined piping portion P2a housed in the installation space inside the connector body 31. The upper surfaces of the pair of intrusion prevention portions 32 form pipe support surfaces 32a that support the inclined piping portion P2a of the small-diameter fluid pipe P2, and the pipe support surfaces 32a are formed in an arc-shaped surface that corresponds to the outer diameter of the circle that is the cross section of the small-diameter fluid pipe P2. Therefore, when the connector A is attached to the cover body C, 11 Base V 11 When the pair of intrusion prevention portions 32 are attached to the connecting body 31, the height of each pipe support surface 32a on the upper surface of the pair of intrusion prevention portions 32 from the installation surface F gradually increases from the center in the width direction of the connecting body main body 31 toward both ends. Due to this shape, when the inclined piping portion P2a of the small-diameter fluid pipe P2 supported by the pipe support surface 32a tries to move sideways due to linear expansion, the lateral pressing force against the pipe support surface 32a is induced by the fitting and locking recess 38 of the connecting body A, which will be described later, and the cover body C. 11 Base V 11 This has the effect of ensuring the engagement with the fitting engagement projection 17.

[0024] As shown in FIG. 9, the pair of intrusion prevention parts 32 are integrally provided on the inner side of a pair of support arms 37 that protrude from the upstream end of the flow path of the connecting body 31, and a cover body C is provided on the outer side of the pair of support arms 37. 11 Base V 11 The mating and locking recesses 38 are formed in a rectangular concave shape in a plan view, into which the mating and locking protrusions 17, which are rectangular convex in a plan view, are fitted, and the inclined inner surfaces 38a of the mating and locking recesses 38 along the flow path direction are inclined corresponding to the inclined inner surfaces 17a of the mating and locking protrusions 17. Also, the corners of the pair of support arms 37 located on the upstream side of the mating and locking recesses 38 are slidable relative to the cover body C by sliding in the opposite direction to the flow path of the connecting body A. 11 Base V 11In order to allow the fitting-engagement recess 38 of the fitting-engagement protrusion 17 to fit into the fitting-engagement recess 38 of the fitting-engagement protrusion 17, the fitting-engagement protrusion 17 has an inclined guide surface 39 that is inclined in plan view so that its width gradually increases along the direction of the flow path.

[0025] Next, with reference to Figures 1 to 5 and 15, a piping method will be described in which the above-mentioned connecting body A is used to prevent buckling caused by the concentrated linear expansion of the fluid pipe P2 at the inclined piping portion P2a of the small-diameter fluid pipe P2 branched at the connection portion of two large-diameter fluid pipes P1 using a three-way joint D. First, as shown in Figures 1 and 2, a base V of the three-way joint D is attached to an installation surface F. 11 is fixed via a plurality of screws 91, and the base V 11 The base V1 of the arrangement C1 is directly connected and fixed to each linear connection portion 11 of the arrangement C1. 11 2 and 3, the base V2 of the installation body C2 is indirectly connected and fixed to the branch connection portion 12 of the installation body C2 at a predetermined interval. In this state, as shown in Fig. 2 and Fig. 3, the three-way joint D, in which the large-diameter fluid pipe P1 is connected to each straight joint portion 1 and the small-diameter fluid pipe P2 is connected to the branch joint portion 2, is fixed to the base V2 of the three-way joint D. 11 The installation bodies C1, C2 are installed in the installation space C1, C2, and three fluid pipes P1, P2, each with a large diameter and a small diameter, are held by the respective holding pieces 82, 84 of the corresponding bases V1, V2, and then the covers L1, L2 are placed over the respective bases V1, V2. The heights H1, H2 of the axes K1, K2 of the large diameter and small diameter fluid pipes P1, P2 held by the pair of holding pieces 82, 84 of the respective bases V1, V2 of the installation bodies C1, C2 from the installation surface F are different (H1>H2). As a result, the portion of the small diameter fluid pipe P2 connected to the branch joint portion 2 of the three-way joint D forms an inclined pipe portion P2a that is slightly curved downward by a predetermined length with respect to the installation surface F. The side of the inclined pipe portion P2a connected to the three-way joint D is covered by the cover body C. 11 The inclined piping section P2a is accommodated in an aerial position within the accommodation space of the connecting body A, and the side of the inclined piping section P2a connected to the installation body C2 is arranged in the aerial position within the installation path space 41 of the connecting body A. The thermal linear expansion of the small-diameter fluid pipe P2 is concentrated in the inclined piping section P2a, and the inclined piping section P2a is likely to undergo buckling deformation that tends to bend the inclined piping section P2a further downward.

[0026] Next, the base V of the three-way joint D 11 11 to 13, in order to attach the connecting body A to the branch connection portion 12 of the connecting body A, the pair of intrusion prevention portions 32 of the connecting body A are oriented toward the upstream side of the flow path, and the pair of side wall portions 34 of the connecting body main body 31 of the connecting body A are flexibly deformed outward to widen the width of the split opening 35, and the inclined piping portion P2a of the small-diameter fluid pipe P2 is relatively passed between the pair of intrusion prevention portions 32, and the connecting body main body 31 is pressed strongly downward, and as shown in FIGS. 3, 11(b) and 13, the base V of the three-way joint D is engaged with each of the fitting and locking recesses 38 arranged on the outside of the pair of intrusion prevention portions 32 of the connecting body A. 11 The fitting-retained projections 17 of the branch connection portion 12 are inserted and fitted in. This prevents the pair of side walls 34 of the connector body 31 arranged opposite to each other from deforming outward, i.e., prevents the split opening 35 of the connector body 31 from deforming so as to widen, and also prevents the base V of the three-way joint D from deforming. 11 This also prevents the connector A from moving in the direction of the flow path of the small-diameter fluid pipe P2 relative to the connector A. Because the bottom of the connector A is formed as the split opening 35, after the small-diameter fluid pipe P2 has been installed, the connector A can be pushed in from above the fluid pipe P2, allowing the installed fluid pipe P2 to be inserted into the internal installation path space 41 through the split opening 35 of the connector A, making it possible to install the connector A later.

[0027] In addition, cover body C 11 Base V 11 After the connecting body A is attached to the branch connection portion 12 of the three-way joint D as described above, it is also possible to attach a small diameter fluid pipe P2 to the branch joint portion 2 of the three-way joint D. 11 Base V 11 In order to attach the connector A to the branch connection portion 12 of the base V, as shown by the two-dot chain line in FIG. 3, the connector A is fitted onto the end of the installed installation body C2 in a state where the connector A is bent so that the split opening 35 becomes slightly narrower. 11The connecting body A is slid from the front side relative to the branch connection portion 12, and the abutting portion 39a, which is the widest portion at the rear end of the inclined guide surface 39 at the tip of each support arm 37 of the connecting body A, is brought into contact with the inclined inner surface 17a of each mating-engagement-target protrusion 17 provided opposite to each other in the width direction of the branch connection portion 12, and when the connecting body A passes each mating-engagement-target protrusion 17, the deflection disappears and the connecting body A returns to its original shape, and the mating-engagement-target protrusion 17 of the branch connection portion 12 is inserted and mated into each mating-engagement-target recess 38 of the connecting body A, 11 A connector A is attached to the

[0028] As shown above, the base V of the three-way joint D 11 11(b), 12(b), and 15, when the connecting body A is attached to the installation surface F, the pair of intrusion prevention members 32 of the connecting body A are arranged such that the inclined piping section P2a of the small-diameter fluid pipe P2 is disposed at the pair of intrusion prevention members 32 of the connecting body A, and the downstream portion of the flow path of the connecting body A is fitted onto the cover body L2 of the installed installation body C2. Here, the pair of intrusion prevention members 32 of the connecting body A are formed parallel to their own split opening 35, and the inclined piping section P2a of the small-diameter fluid pipe P2 disposed above the pair of intrusion prevention members 32 is slightly inclined with respect to the installation surface F, i.e., the split opening 35 of the connecting body A. Therefore, of the portion of the inclined piping section P2a disposed above the pair of intrusion prevention members 32, only the lowest downstream portion of the flow path of the portion disposed above the pair of intrusion prevention members 32 is in contact with the pipe support surface 32a of the pair of intrusion prevention members 32, and the remaining portion is in close proximity to the pipe support surface 32a.

[0029] Finally, cover body C 11 Base V 11 For the lid body L 11 When the cover is closed, the cover L 11 Both ends of the straight portion 3 are fitted onto the ends of the cover bodies L1 of the respective installation bodies C1 of the large-diameter fluid pipe P1 that has already been installed, and the ends of the branched portion 4 are fitted onto the fitted portion 36 of the connecting body A that has already been installed, thereby completing the piping work.

[0030] Also, as shown in FIG. 4, the cover body C 11 Base V 11 For the lid body L 11 After covering the connector A, the connector A is placed in the cover C with the majority of the connector A fitted onto the end of the installed arrangement C2. 11 3, and slide the cover C toward the pair of fitting and locking recesses 38 of the connecting body A. 11 Base V 11 The pair of mating and locked projections 17 may be mated together.

[0031] In this way, the connecting body A is connected to the cover body C. 11 Base V 11 The cover L is connected to the three-way joint D by a locking structure, so that the connection between the three-way joint D and each fluid pipe P1, P2 can be inspected. 11 Even if the cover L is removed, the connecting body A remains in the predetermined position and is not removed. Therefore, even after the above inspection, the removed cover L 11 Base V 11 It is only necessary to cover the inside of the container, making it easy to reassemble.

[0032] The buckling prevention effect of the inclined piping portion P2a of the fluid pipe P2 described below is not directly related to the operation of the present invention, but it is 11 Base V 11 The buckling prevention function will be briefly explained below, since a pair of intrusion prevention portions 32 are integrally provided with a pair of fitting and locking recesses 38 for integrally connecting the fluid pipes P1 and P2 to the cover body C. When each of the fluid pipes P1 and P2 is a hot water supply pipe, linear expansion due to heat is concentrated in one of the portions of each of the fluid pipes P1 and P2 (usually the joint connection portions or faucet connection portions at both ends of the pipes where the expansion resistance is greatest). Also, as shown in FIG. 15, the inclined piping portion P2a of the fluid pipe P2 is provided with a cover body C. 11 The inclined piping portion P2a is disposed between the accommodation space of the connecting body A, the installation path space 41 of the connecting body A, and the end of the installation body C2. 11Within the accommodation space of the fluid pipe P2, the fluid pipe P2 is supported by the pipe support surfaces 32a on the upper surfaces of the pair of intrusion prevention parts 32 of the connecting body A. For this reason, with respect to the small-diameter fluid pipe P2, thermal linear expansion tends to concentrate at the inclined piping part P2a, which is the fixed end of the fluid pipe P2 and is slightly bent downward, but this part is supported with the necessary support strength by the pair of intrusion prevention parts 32 of the connecting body A, so that the expansion resistance is too great for the inclined piping part P2a to thermally expand and deform in a direction approaching the installation surface F and enter between the pair of intrusion prevention parts 32. Therefore, this intrusion is effectively prevented, and the thermal linear expansion of the fluid pipe P2 is absorbed without being concentrated in one specific location by being bent at a large radius of curvature in another part, for example, in a long-span part of the fluid pipe P2 accommodated and held in the installation body C2. As a result, the linear expansion is concentrated in the inclined pipe portion P2a of the fluid pipe P2, and it is possible to prevent the downward curvature of the inclined pipe portion P2a from becoming larger or from progressing further to cause buckling.

[0033] Furthermore, when the pair of intrusion prevention portions 32 of the connecting body A are pressed downward by the inclined piping portion P2a of the fluid pipe P2 due to linear expansion caused by heat, this pressing force is applied to the fitting and locking recesses 38 provided in the connecting body A itself and the cover body C. 11 Base V 11 When the inclined piping portion P2a is thermally deformed laterally, the pipe support surface 32a having an arcuate cross section of one of the pair of intrusion prevention portions 32 is pressed laterally, and this pressing force acts to further strengthen the fit between one of the pair of inclined piping portions 17 and one of the pair of inclined piping recesses 38. Therefore, no matter in what direction the inclined piping portion P2a of the fluid pipe P2 is thermally deformed or attempts to be thermally deformed, the force always acts to further strengthen the fit. Therefore, the thermal deformation of the inclined piping portion P2a of the fluid pipe P2 causes the cover body C to deform. 11 Base V 11 The attachment of connector A to connector A will not loosen or come loose.

[0034] Furthermore, although the connecting body A in the above embodiment is an example disposed midway (in the middle) of the flow path, the present invention can also be applied to an end cover disposed at the end of a fluid pipe.

[0035] In the above embodiment, the connecting body A is provided with a pair of anti-entrapment portions 32 in order to prevent the fluid pipe from buckling due to the concentration of linear expansion of the fluid pipe caused by heat, but if the purpose is not to prevent buckling of the fluid pipe, the connecting body A may be configured to only have a pair of fitting and locking recesses 38.

[0036] In the above embodiment, the connecting body installed between the passage hole of the cover body and the arrangement body has a shape that narrows from the upstream side to the downstream side in the flow path direction to absorb the size difference between the passage hole and the arrangement body, but if there is no size difference between the passage hole of the cover body and the arrangement body, the cross section of the connecting body may be the same along its entire length. [Explanation of symbols]

[0037] A: Linker C1: Installation body (large diameter fluid pipe) C2: Installation body (small diameter fluid pipe) C 11 :Cover body L1, L2: Cover of the installation body L 11 : Lid of the cover P1: Large diameter fluid pipe (large diameter) P2: Small diameter fluid pipe (small diameter) V1, V2: Base of the installation body V 11 : Cover base 17: Fitted and locked convex portion of the base of the cover body 20: Cover body vent 31: Connecting body 35: Split end of connecting body 36: Outer fitting portion of the connecting body (connection portion on the cover body side) 38: Fitting and locking recess of connecting body 41: Space for connecting body installation 42: Connection part of the connecting body on the installation side

Claims

1. a cover body formed by assembling a base fixed to an installation surface and a lid body covering the base to form an arrangement space for wiring, piping materials, or pipe joints therein and forming a passage that connects the arrangement space to the outside; a connecting body having a top wall portion facing the installation surface and a pair of side wall portions extending in opposition to the installation surface with both ends of the top wall portion in the width direction as base ends, the connecting body being connected to the cover body with one end side of the wiring / piping material in the flow path direction inserted into the through-hole of the cover body, the inside of the connecting body being an arrangement path for the wiring / piping material; A wiring / piping material cover device characterized in that a locking portion that can be locked to a locked portion provided on a base of the cover body is provided on the one end side of the connecting body.

2. the connecting body is capable of flexural deformation so that the pair of side wall portions move toward and away from each other, the locking portions are provided in pair, extend from the pair of side wall portions in the flow path direction, and are movable by the bending deformation between an unlocked position where they are close to each other and an engaged position where they are spaced apart from the unlocked position and can be engaged with the locked portion, The wiring / piping material cover device according to claim 1, characterized in that the connecting body can be engaged by being placed against the installation surface and moved toward a base of the cover body fixed to the installation surface.

3. The wiring / piping device further includes an elongated wiring body having a wiring / piping path formed therein along the longitudinal direction, a connecting portion connectable to the installation body is provided on the other end side of the connecting body in the flow path direction, The wiring / piping material cover device described in claim 2, characterized in that the entire connecting body can be externally fitted onto the end of the arrangement body fixed to the installation surface, and further, by sliding the connecting body along the longitudinal direction of the arrangement body from this externally fitted state, the engaging portion can be engaged with the engaged portion.

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