JP5075529B2 - Protective cover for cable - Google Patents

Description

  The present invention relates to a protective cover for a routing body that covers a portion from which the routing body is taken out from the wall surface when the routing body such as piping or wiring is passed through the wall surface.

  As a protective cover for this type of arrangement, for example, a cover disclosed in Patent Document 1 is known.

  The piping cover as a protective cover disclosed in Patent Document 1 includes a cover body in which a ventilation hole is formed and a weather cover that is attached to the cover body and covers the ventilation hole. Water and wind are prevented from entering through the mouth.

When the weather cover is attached to the cover body, the elastic hook projecting on the back surface of the weather cover can be fitted into the fitting hole portion of the cover body so as to be performed with one touch.
JP 2005-233313 A

  However, in the case of the above-described conventional protective cover, in the case where the cover body is provided with a bottomed cylindrical portion projecting outward, and a plurality of slit-shaped vent holes are formed on the cylindrical surface at a constant pitch. Although it is suitable, the configuration is complicated overall.

  Then, an object of this invention is to obtain the protective cover of the wiring body which can attach or detach a cover main body and a cap easily as a simpler structure.

In the first aspect of the present invention, the inner wall opening is formed to be fixed to the wall surface so as to cover the wall surface opening formed on the wall surface and the extraction portion of the routing body taken out from the wall opening. A cover main body and a cap that is detachably attached to the cover main body and covers the inner opening, and has an outer opening for ventilation that communicates between the inside and outside of the cap in a state where the cap is attached to the cover main body. In the protective cover of the wiring body formed with, the cover main body is formed with a through hole as the inner opening, and the cap is provided with a claw portion that engages with an edge of the through hole. The cap is attached to the cover body by engagement with the edge of the through hole, a notch is formed in the edge of the through hole, and the claw portion and the notch are locked in the circumferential direction of the through hole, Cover body With the pressing of the claw portion for engagement with the edge of the through-hole, characterized in that a guide part for displacing in a direction to separate the cap from the cover body.

  In the invention of claim 2, by pushing the side wall of the cap inward, the claw portion is bent toward the center of the through hole so that the engagement with the edge of the through hole can be released. Features.

The invention according to claim 3 is characterized in that an expanded portion is formed at an end of the notch on the center side of the through hole.

  According to the first aspect of the present invention, since the cap can be locked using the through hole as the inner opening, the inner opening (vent hole) and the locking structure are separately provided as in the prior art. Compared with the case where it is provided in, the structure can be simplified.

  According to the invention of claim 2, since the engagement between the claw portion and the edge of the through hole can be released by pushing the side wall of the cap inward, the operation of removing the cap from the cover body can be performed more easily.

According to the first aspect of the present invention, the rotation of the cap relative to the cover body can be restricted with a relatively simple configuration. Further, by providing a plurality of notches and selectively locking the claw portions to any of the plurality of notches, the rotational posture of the cap with respect to the cover body can be variably set more easily.

According to the invention of claim 3 , since the widened portion is formed at the end of the through hole in the center of the through hole, that is, the open side, the cap is rotated around the center of the through hole by removing the claw portion from the notch. This makes it easier to perform operations.

According to the first aspect of the present invention, the cap can be easily detached from the cover body by the guide portion, so that the operation of removing the cap from the cover body is facilitated.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings. Here, the case where the protective cover according to the present invention is applied to an air conditioner (air conditioner) with a dust exhausting / ventilating function will be exemplified.

  1-16 has shown the protective cover of the routing body concerning one Embodiment of this invention. 1 is an overall perspective view of the protective cover as viewed from the front, FIG. 2 is an overall perspective view of the protective cover as viewed from the back, and FIG. 3 is an exploded perspective view of the protective cover as viewed from the front. 4 is an exploded perspective view of the protective cover as viewed from the back side.

  As shown in FIGS. 1 and 2, the protective cover 1 of this embodiment includes a base 2, a cover body 3, and a cap 4.

  Among these, as shown in FIGS. 3 and 4, the base 2 includes a flat mounting board 21, a pair of guide walls 22 that guides when the rising cover body 3 is fitted on both sides of the mounting board 21, It has.

  A screw mounting hole 23 is formed in a substantially central portion of the mounting substrate 21 so as to be a long hole in the longitudinal direction (vertical direction in the drawing) of the mounting substrate 21 so that the position of the mounting substrate 21 can be adjusted in the longitudinal direction. Yes. Further, screw holes 23 a for fixing the cover body 3 are formed on both sides of the mounting substrate 21.

  Furthermore, a semicircular recess 24 having substantially the same diameter as a wall surface opening 8 (see FIG. 11) formed in the wall surface 7 to be described later is formed at one end in the longitudinal direction (upper side in the drawing) of the mounting substrate 21. Has been. In the vicinity of the recessed portion 24, a notch 25 is formed for folding the recessed portion 24 when the decorative plate 8K (see FIG. 15) is attached to the wall surface opening 8. .

  The cover body 3 includes a peripheral wall 31 that rises substantially perpendicular to the mounting substrate 21 of the base 2, a closing plate 32 that serves as a top wall that covers the protruding side of the peripheral wall 31 (the side opposite to the base 2 arrangement side), Is formed in a container shape having a substantially U-shaped cross section with the mounting substrate 21 side opened.

  One end (upper side in the figure) side of the cover body 3 in the longitudinal direction (up and down direction in the figure) is a closed end 31a in which the peripheral wall 31 is curved in a semicircular shape, and the other end (lower side in the figure) side in the longitudinal direction is The peripheral wall 31 and the closing plate 32 are squeezed to form a tunnel-shaped opening 31b.

  The closing plate 32 on the closing end 31a side is formed with a relatively large substantially circular through-hole 33 as an inner opening for ventilation. On the other hand, a flange 34 protrudes from the periphery (open side) of the peripheral wall 31 on the closed end 31a side, and a screw mounting hole 35 is formed in the flange 34, and both sides of the peripheral wall 31 on the opening 31b side. A pair of screw mounting holes 35a is formed in the upper part.

  A pair of locking projections 36 (see FIG. 4) face each other on the inside of the throttle portion 31 c in the vicinity of the opening 31 b of the peripheral wall 31, and a pair of locking projections 36 (see FIG. 4) Engagement recesses 26 that engage with the respective locking projections 36 are recessed. Then, the cover main body 3 can be temporarily fixed to the base 2 by covering the cover main body 3 on the base 2 and engaging the engaging convex portion 36 with the engaging concave portion 26.

  The cap 4 is an end that covers an outer wall 41 that is curved in a substantially U shape along the outer periphery of the cover body 3 on the closed end 31a side, and an end that covers the protruding side of the outer wall 41 (the side opposite to the arrangement side of the cover body 3). The plate 42 is formed into a substantially U-shaped cross section. The outer wall 41 is formed in a tapered shape that is inclined inwardly in the protruding direction, and has a tapered shape with a substantially trapezoidal cross section together with the end plate 42.

  One side portion (lower end side in the figure) of the outer wall 41 is cut off to form a circulation port 43 as an outer opening for ventilation, and together with a through hole 33 formed in the cover body 3 as an inner opening, the cover body The ventilation path which connects 3 inside and outside is formed. In general, the circulation port 43 serving as the outer opening is opened downward to suppress intrusion of water (for example, rainwater) from above. Further, the outer wall 41 and the end plate 42 of the cap 4 are formed with a sufficient area to cover the through hole 33.

  A pair of claw portions 44 are provided on the inner side of the outer wall 41 of the cap 4 opposite to each other so as to be detachably engaged with the cover body 3 serving as a counterpart side. The cap 4 is attached via the pair of claw portions 44. It is attached to the through hole 33.

  FIG. 5 is a plan view of the cap as viewed from the direction A in FIG. As shown in the figure, the claw portion 44 includes an arm portion 44b extending from the inner surface of the outer wall 41 in a direction substantially perpendicular to the end plate 42, a hook-shaped locking portion 44a provided at the tip of the arm portion 44b, and an arm portion. A crossing arm part 44c branched from the base end side of 44b and extending in the crossing direction with the arm part 44b. The intersecting arm portion 44 c is connected to the inner surface of the outer wall 41. In such a configuration, the locking portion 44 a is locked to the inner peripheral flange portion 37 as an edge of the through hole 33, whereby the cap 4 is attached to the cover body 3.

  FIG. 6 is a perspective view in which a main part of the cover body is broken. As shown in the figure, by displacing the tip of the claw portion 44 in the opposite direction, the locking portion 44a is moved in the opposite direction, and the engaged state with the inner peripheral flange portion 37 is released. The cap 4 can be removed.

  Here, in order to release the engagement state of the claw portion 44 with the inner peripheral flange portion 37, the arm portion 44 b and thus the locking portion 44 a may be moved to the center side of the through hole 33. In the present embodiment, the arm portion 44b or the locking portion 44a can be moved from the open side of the cover main body 3 or the flow port 43 side as shown by the arrow in FIG. As indicated by the arrows, the cap 4 can be moved by pushing the outer wall 41 inward. In the latter case, the pressing load applied to the outer wall 41 is transmitted to the arm portion 44b via the intersecting arm portion 44c, the arm portion 44b tilts in a direction in which the tip side approaches the center of the through hole 33, and the locking portion 44a It moves to the direction displaced to the center side of the through-hole 33, and engagement with the latching | locking part 44a and the inner peripheral collar part 37 is cancelled | released.

  7 is an enlarged cross-sectional view of a main part along the line BB in FIG. 1, and FIG. 8 is an enlarged cross-sectional view of a part C in FIG. As shown in FIGS. 7 and 8, the closing plate 32 of the cover body 3 has a claw portion on the inner portion where the open end (tip on the side opposite to the end plate 42) 41 a of the outer wall 41 of the cap 4 abuts. An inclined portion 32a is provided as a guide portion for displacing the cap 4 away from the cover body 3 when the engagement of 44 is released.

  The inclined portion 32 a is formed in an annular shape that is concentric with the through hole 33, and is inclined in a direction that gradually protrudes toward the center of the through hole 33.

  FIG. 9 is an enlarged cross-sectional view of a main part of the protective cover showing a removed state of the cap, and FIG. 10 is an enlarged cross-sectional view of a D part in FIG. As shown in FIGS. 9 and 10, when the front end portions of the claw portions 44 are displaced in the opposing directions, the open end 41 a of the outer wall 41 of the cap 4 is moved inward along with the displacement of the claw portions 44. Will be bent. Then, the open end 41a of the outer wall 41 is lifted in the direction away from the closing plate 32 of the cover body 3 along the inclined portion 32a, and the removal of the cap 4 can be assisted.

  11 is a perspective view showing a mounting state of the base of the protective cover, FIG. 12 is a perspective view showing a routing state of the routing body, and FIG. 13 is a perspective view showing a mounting state of the cover body and the cap of the protective cover. FIG. 14 is a perspective view showing a state where the protective cover is completely attached.

  That is, as shown in FIGS. 11 to 14, the protective cover 1 having the above-described configuration is attached to a portion for taking out the routing body such as the refrigerant pipes 5 and 5a of the air conditioner and the dust exhaust hose 6 from the wall surface 7 as shown in FIGS. It is done. Although not shown, in addition to the refrigerant pipes 5 and 5a and the dust exhaust hose 6, a drain hose, wiring, and the like are also routed.

  As shown in FIG. 11, a wall surface opening 8 is formed in the wall surface 7 so as to penetrate the routing bodies such as the refrigerant pipes 5, 5 a and the dust exhaust hose 6 from the indoor side to the outdoor side. It serves as a discharge port for air discharged from the dust hose 6. The dust hose 6 is the same even when it is a ventilation hose for taking in and out air.

  First, the mounting substrate 21 of the base 2 is arranged so that the recessed portion 24 substantially coincides with the peripheral edge of the wall surface opening 8 of the wall surface 7, and the fixing screw S is inserted into the screw mounting hole 23 to insert the wall surface 7. Then, the base 2 is fixed to the wall surface 7.

  Next, a duct body base 9 having a U-shaped cross section for accommodating a general portion of the routing body such as the refrigerant pipes 5 and 5a is disposed on the other end (downward in the drawing) of the base 2 fixed to the wall surface 7. Fix to the wall surface with fixing screws S.

  Then, as shown in FIG. 12, the routing bodies such as the refrigerant pipes 5, 5 a and the dust exhaust hose 6 are passed through the wall surface opening 8 from the indoor side, and the routing bodies such as the refrigerant pipes 5, 5 a are passed through the wall opening. The portion taken out from 8 is bent at a substantially right angle along the wall surface 7, and a general portion of the routing body such as the refrigerant pipes 5, 5 a along the wall surface 7 is routed inward of the duct body base 9. At this time, the wall surface opening portion 8 is stuffed with a putty P after passing through a routing body such as the refrigerant pipes 5 and 5a and the dust exhaust hose 6 and sealed.

  The dust hose 6 is terminated at a portion taken out from the wall surface opening 8, and its tip is covered with a tip cover 6a, and air is circulated through the tip cover 6a.

  Next, as shown in FIG. 13, the duct body cover 9 a is attached to the opening side of the duct body base 9 to be sealed, and from the wall surface opening 8 of the routing body such as the refrigerant pipes 5, 5 a and the dust exhaust hose 6. The cover body 3 covers the take-out portion together with the end of the duct body cover 9a. At this time, the cover main body 3 is fitted to the outside of the guide wall 22 of the base 2, and the locking convex portion 36 of the cover main body 3 is engaged with the engaging concave portion 26 of the guide wall 22 and temporarily fixed. The tip cover 6 a is exposed to the outside of the cover body 3 through the through hole 33.

  In this state, the fixing screw S is inserted into the screw mounting hole 35 of the cover body 3 and screwed into the wall surface 7, and the fixing screw S is inserted into the screw mounting hole 35 a and screwed into the screw hole 23 a of the base 2. 3 is fixed to the wall surface 7. Then, by attaching the cap 4 to the through hole 33 of the cover body 3 and covering the through hole 33, the attachment of the protective cover 1 is completed as shown in FIG.

  FIG. 15 is a perspective view showing an attached state of the base when the decorative plate is attached to the opening of the wall surface. As shown in the figure, when the decorative plate 8K is fitted into the wall surface opening 8, the recessed portion 24 of the base 2 is removed by folding the notch 25.

  Therefore, in the state where the protective cover 1 is attached in this manner, the appearance of the outer appearance is improved by covering the take-out portion of the arrangement body and further the wall surface opening portion 8, and the arrangement body is protected.

  And the air discharged | emitted from the front-end | tip cover 6a of the dust hose 6 is discharged | emitted from the circulation port 43 of the cap 4 to the outward.

  By the way, as shown in FIG. 3, notches 37a are formed in the inner periphery of the inner peripheral flange portion 37 with a substantially circumferential width W (see FIG. 4) of the claw portion 44 at predetermined intervals in the circumferential direction. . In the present embodiment, the notches 37a are formed at intervals of a central angle of 45 ° with reference to the pair of notches 37a arranged in the longitudinal direction of the cover body 3. That is, the notch 37a is formed in pairs in the longitudinal direction of the cover body 3, the direction perpendicular to the longitudinal direction, and the inclined directions of 45 ° to the left and right with respect to the longitudinal direction. . The claw portion 44 has a resilient force in the radially outward direction of the through hole 33 and is stably locked to the inner peripheral flange portion 37 in a state of being inserted into the notch 37a. At this time, the claw portion 44 and the notch 37 a are locked in the circumferential direction of the through hole 33.

  FIG. 16 is a front view showing the rotation posture of the cap with respect to the cover main body in (a) to (c), respectively. As shown in the figure, (a) is a case where the routing body taken out from the wall surface opening portion 8 is routed downward, and the cap 4 is in a rotational posture in which the flow port 43 is downward with respect to the cover body 3. It has become. (B) is a case where the routing body is routed in the horizontal direction, and the cap 4 is in a rotational posture perpendicular to the longitudinal direction so that the flow port 43 is positioned below the cover body 3. (C) is a case where the routing body is routed upward, and the cap 4 is in a rotational posture opposite to the longitudinal direction so that the flow port 43 is positioned below the cover body 3. By positioning the circulation port 43 in this way, rainwater is prevented from entering the protective cover 1 from the circulation port 43.

  As shown in FIG. 16, when the rotational posture of the cap 4 with respect to the cover main body 3 is variably set or changed, the claw portion 44 may be selectively engaged with any of the plurality of notches 37a. In this case, the engagement with the notch 37 a can be released by bending the claw portion 44 toward the center of the through hole 33.

  Further, a chamfered portion (or a circular arc surface) 37C is formed at an end portion (corner portion) on the center side of the through hole 33 of the notch 37a. The chamfered portion 37C expands the open side of the notch 37a and corresponds to the expanded portion of the present invention. The chamfered portion 37C makes it possible to change the notch 37a that engages the claw portion 44, that is, to change the rotational posture of the cap 4 with respect to the cover body 3 more smoothly.

  As described above, in the protective cover 1 according to the present embodiment, the cover body 3 is formed with the through hole 33 as the inner opening, and the cap 4 is engaged with the inner peripheral flange 37 as the edge of the through hole 33. The cap 4 is attached to the cover body 3 by the engagement between the claw portion 44 and the inner peripheral flange portion 37. For this reason, since the cap 4 can be locked using the through-hole 33 as an inner side opening part, a structure is simplified compared with the case where an inner side opening part and a locking structure are provided separately. be able to.

  In addition, since the cap 4 can be attached to the through-hole 33 with one touch, work efficiency when the cap 4 is attached can be improved, and workability can be improved because the cap can be attached with one hand.

  Further, in the present embodiment, the claw portion 44 is provided with the cross arm portion 44 c, and thereby the inner wall 41 as the side wall of the cap 4 is pushed inward to bend the claw portion 44 toward the center of the through hole 33. The engagement with the peripheral flange portion 37 can be released. For this reason, the operation of removing the cap 4 from the cover body 3 can be performed more easily.

  Further, in the present embodiment, a notch 37 a is formed in the inner peripheral flange portion 37 as an edge of the through hole 33, and the claw portion 44 and the notch 37 a are locked in the circumferential direction of the through hole 33. For this reason, rotation of the cap 4 with respect to the cover body 3 can be regulated with a relatively simple configuration. Further, by providing a plurality of notches 37a and selectively locking the claw portions 44 to any of the plurality of notches 37a, the rotational posture of the cap 4 with respect to the cover body 3 can be variably set.

  In the present embodiment, the chamfered portion 37 </ b> C is formed as an expanded portion at the end of the notch 37 a on the center side of the through hole 33. Accordingly, the claw portion 44 can be easily detached from the notch 37a, and the operation of rotating the cap 4 around the center of the through hole 33 can be performed more easily. That is, the rotation posture of the cap 4 with respect to the cover body 3 can be changed more easily.

  Further, in the present embodiment, the guide portion that displaces the cap 4 in the direction in which the cap 4 is separated from the cover main body 3 when the cover main body 3 is pressed by the claw portion 44 for releasing the engagement with the inner peripheral flange portion 37. An inclined portion 32a is provided. For this reason, the cap 4 is easily detached from the cover main body 3, and the operation of removing the cap 4 is facilitated.

  The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various modifications can be made. For example, in the above embodiment, the claw portion is provided on the cap side, but the claw portion is provided on the cover body side and the cap is provided with the engaging portion that elastically engages the claw portion. A similar effect can be obtained.

  Moreover, the structure which bends a nail | claw part to the center side of a through-hole by pushing the side wall of a cap inside can also be embodied as structures other than the said cross arm part.

  Further, the shape of the expanded portion is not limited to the chamfered shape, and may be a shape with rounded corners (R shape).

It is the whole perspective view which looked at the protective cover concerning one Embodiment of this invention from the front side. It is the whole perspective view which looked at the protective cover concerning one Embodiment of this invention from the back side. It is the disassembled perspective view which looked at the protective cover concerning one Embodiment of this invention from the front side. It is the disassembled perspective view which looked at the protective cover concerning one Embodiment of this invention from the back side. It is the top view which looked at the cap of the protective cover concerning one Embodiment of this invention from the A direction of FIG. It is the perspective view which looked at the protective cover concerning one Embodiment of this invention from the back side, Comprising: It is the figure which fractured | ruptured and showed a part of protective cover. It is BB sectional drawing of FIG. It is an expanded sectional view of the C section in FIG. It is a figure which shows the state which removes a cap in BB sectional drawing of FIG. It is an expanded sectional view of the D section in FIG. It is a perspective view which shows the attachment state of the base of the protective cover concerning one Embodiment of this invention. It is a perspective view which shows the wiring state of the wiring body to which the protective cover concerning one Embodiment of this invention is applied. It is a perspective view which shows the attachment state of the cover main body and cap of a protective cover concerning one Embodiment of this invention. It is a perspective view which shows the attachment completion state of the protective cover concerning one Embodiment of this invention. It is a perspective view which shows the attachment state of the base at the time of the decorative plate being attached to the opening part of the wall surface to which the protective cover concerning one Embodiment of this invention is applied. It is a front view which shows the variation of the rotation attitude | position of the cap with respect to the cover main body concerning one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Protective cover 2 Base 3 Cover main body 32a Inclined part (guide part)
33 Through hole (inner opening)
37 Inner circumference (edge)
37a Notch 37C Chamfered part (expanded part)
4 Cap 43 Distribution port (outside opening)
44 Claw section 5, 5a Refrigerant piping (routing body)
5B Bent part (extraction part)
6 Dust exhaust hose
7 Wall surface 8 Wall surface opening

Claims (3)

A cover body that is fixed to the wall surface so as to cover a wall surface opening formed on the wall surface and an extraction portion of the routing body that is taken out from the wall surface opening, and an inner opening for ventilation is formed; A protective cover for the wiring body, which is detachably mounted and covers the inner opening, and in which an outer opening for ventilation is formed that communicates the inside and outside of the cap with the cap attached to the cover body. In
A through hole is formed in the cover body as the inner opening,
The cap is provided with a claw portion that engages with an edge of the through hole,
The cap is attached to the cover body by the engagement between the claw portion and the edge of the through hole ,
Forming a notch at the edge of the through hole, locking the claw portion and the notch in the circumferential direction of the through hole,
The cover body is provided with a guide portion for displacing the cap in a direction away from the cover body in accordance with the pressing of the claw portion for releasing the engagement with the edge of the through hole. Protective cover for the cable body.   The arrangement according to claim 1, wherein the claw portion is bent toward the center of the through hole by pushing the side wall of the cap inward so that the engagement with the edge of the through hole can be released. Protective cover for the cable body. The protective cover for a cable body according to claim 1 or 2 , wherein an expanded portion is formed at an end of the notch on the center side of the through hole.

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