JPH05222799A - Building equipment and amchinery memver setter in ceiling - Google Patents

Abstract

PURPOSE:To facilitate the positioning of member installation by setting up a building equipment and machinery member, being used in the case of assembling building equipment and machinery in a ceiling framing horizontal member and provided with various building equipment and amchineries, accurately and smoothly on a ceiling surface, and improving the extent of a ceiling function, while forming an outward show from the indoor so elegant enough. CONSTITUTION:A cross section of a horizontal member 1 consists of a top wall 1a, both side walls 1b, both horizontal step parts 1c, both vertical walls 1d, both horizontal wall 1e and both lip walls 1f, and both flat parts 1g are formed on each underside of both these horizontal step parts 1c. A building equipment and machinery member 9 fitted with building equipment machineries is contacted, of the upper side of both side frames 9d in the longitudinal direction, with both flat surface 1g, while it is surrounded by the vertical walls 1d.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a suspended ceiling structure,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building equipment device member mounting device in a ceiling for mounting a member in which a building equipment device is installed in a horizontal member that constitutes a ceiling frame structure.

[0002]

2. Description of the Related Art In recent years, a single-layer ceiling frame has been proposed in place of the conventional multi-layer ceiling frame composed of a field frame and a field frame. The single-layer ceiling frame does not use waste ceiling frame members, saves the materials used, and does not use complicated ceiling frame members in the ceiling building space, so it is possible to use air conditioning in the ceiling building space. When installing piping for building equipment, it is easy to install without being obstructed by the members for the ceiling frame, the number of component parts is small, and in many cases pre-made materials are used instead of using semi-pre-made materials. There are various advantages such as reduction of manual work such as taking out work and cutting work and easy construction. And in addition to such advantages, there is also a proposal to incorporate the building equipment and equipment that faces the interior into the horizontal member itself, which is a member for the ceiling frame, to further simplify the ceiling structure and facilitate its assembly work. Has been done. However, the technology for incorporating the building equipment and equipment to be exposed to the room into the horizontal material is very limited in construction results, the technology has not been established, and the completed ceiling has various problems.

As in the present invention, in order to assemble building equipment, particularly equipment for air conditioning equipment other than lighting equipment, loudspeakers, smoke detectors, sprinklers, etc., into a horizontal member for a ceiling frame, When mounting the building equipment components, which are each equipped with various building equipment, to the horizontal material, the conventional mounting structure is used to perform the mounting, and the mounting structure deploys the building equipment to the horizontal material. Since it is not a dedicated structure, its installation is incomplete and the building equipment components generate vibration and noise, and the building equipment components protrude from the ceiling surface to interfere with functions such as lighting and air conditioning, and from inside the room. Not only will the appearance of the product deteriorate significantly and the edges of the horizontal members, which are structural members, will be exposed to the ceiling surface and cause malformation, but it will also be necessary to make fine adjustments to the mounting work to improve efficiency. No, construction Resulting in disadvantages such as not it is possible to suppress the cost low.

[0004]

SUMMARY OF THE INVENTION The problem to be solved by the present invention is to be used in the case of incorporating building equipment and equipment into a horizontal member for a ceiling frame, and a building equipment and equipment member in which various building equipment and equipment are provided. A new type of ceiling that can be installed securely and smoothly on the ceiling surface to enhance the function of the ceiling, and the appearance of the ceiling from inside the room can be elegantly formed, the positioning of component mounting is easy, and the entire mounting construction is easy. The purpose of the present invention is to provide a building equipment device member mounting device.

[0005]

In order to solve the above-mentioned problems, the construction equipment component mounting device in the ceiling of the present invention is mainly characterized by the following configurations. A top wall, a pair of side walls provided on both edges of the top wall so as to face downward, a horizontal step portion extending outward from each side wall end edge, and a horizontal step extending downward from each horizontal step end edge A vertical wall, a horizontal wall that extends outward from each vertical wall edge, and a lip wall that extends upward from each horizontal wall edge, and is formed by the top wall and the side walls. The internal space opened to the lower side is formed, and a horizontal member having both flat surfaces formed by the lower surfaces of the horizontal step portions and a horizontal member which is unitarily or joint-joined with each other A support member that is arranged and mounted in the inner space of the horizontal member at a distance, and at least its bottom plate portion is parallel to and substantially equal to the flat surfaces in the mounted state; and the flat surfaces of the horizontal member. Has a peripheral rectangular frame having a width with which the both side frames in the length direction come into contact with each other. The bottom plate portion of the support member is provided with a coupling piece that is coupled by a coupling means in a projecting manner, and the building equipment component is arranged in the peripheral frame. By connecting and attaching the connecting pieces on the upper side portions of both side frames in the width direction of the peripheral frame to the corresponding bottom plate portions of the supporting members which are attached to the horizontal member at predetermined intervals by the connecting means, The upper side portions of both side frames in the lengthwise direction of the peripheral equipment for building equipment are attached to both flat surfaces of the horizontal member, and the upper side portions of both side frame members in the lengthwise direction are surrounded by the vertical walls of the horizontal member. A building equipment device member mounting device for a ceiling, which is characterized by being provided.

[0006]

[Function] Since the upper parts of both side frames in the length direction of the peripheral frame are attached to both flat surfaces of the horizontal member so that the peripheral members of the building frame are attached to the flat member, the flat parts of the horizontal member are flush with each other. It is maintained in a stable attachment state with respect to the surface, and does not separate to generate a vibrating portion or generate noise. The vertical position of the building equipment component is determined by the upper sides of both side frames in the lengthwise direction of the peripheral frame being attached to both flat surfaces of the horizontal frame,
All the vertical positions of the various types of building equipment components having the same external shape that are attached are aligned, so that unexpected irregularities do not occur on the ceiling surface. Also, by setting the vertical position of the ceiling panel in correspondence with the vertical position of the building equipment component, the vertical position of the ceiling surface of the ceiling panel and the vertical position of the building equipment component. And can be matched exactly,
The entire ceiling can form a flat ceiling surface. Since both horizontal walls of the horizontal material will be located above the lower surface of the building equipment component, both horizontal walls of the horizontal material that are structural members and not finish members must be exposed in a protruding shape on the ceiling surface. It does not spoil the appearance.

In the installed state, since the upper portions of both side frames in the length direction of the peripheral frame of the building equipment component are surrounded by both vertical walls of the horizontal member, the horizontal direction of the building equipment component Is prevented from moving and rotating, and the upper portions of both side frames in the length direction of the peripheral frame are concealed, so that the partition of the building equipment device member is elegantly formed. During installation, both vertical walls of the horizontal member serve as guides for both side frames in the length direction of the peripheral frame of the building equipment component to facilitate positioning of the building equipment component. When a large number of building equipment components are installed on the ceiling surface, both longitudinal frames of the peripheral frame of all building equipment components will be positioned by both vertical walls of the horizontal member. , There is no partial irregularity.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed features of the present invention will be described with reference to the embodiments shown in the accompanying drawings. FIG. 1 is a perspective view showing an outline of a first embodiment of a building equipment device mounting device according to the present invention, in which reference numeral 1 indicates a horizontal member which is a component of a ceiling frame. The horizontal members 1 are connected one after the other in contact with one another to form a single-layer ceiling frame. The cross member 1 used in the present invention is characterized by its cross-sectional shape. When it is explained, the cross member 1 has a top wall 1a and a top wall 1a, as is apparent from FIG. A pair of side walls 1b provided downwardly on both edges of each of the side walls 1b
The horizontal step portion 1c extending outward from the end b, the vertical wall 1d extending downward from the end edge of each horizontal step portion 1c, and the horizontal wall 1e extending outward from the end edge of each vertical wall 1d, The horizontal wall 1e has a lip wall 1f extending upward from the edge.
The horizontal member 1 not only forms the ceiling frame, but also utilizes the internal space 2 that is formed by the top wall 1a and the side walls 1b and is open to the lower side. Equipment for air conditioners, loudspeakers, sprinklers, smoke detectors, etc. can be housed inside.

The lower surfaces of the horizontal step portions 1c located slightly above the horizontal walls 1e, which are the lower edges of the horizontal member 1, form flat surfaces 1g parallel to the horizontal walls 1e. Note that reference numeral 1
Reference numeral 2 denotes a ceiling panel, and a ceiling surface is formed by placing both ends of the lip wall 1f of the horizontal member 1 on the ceiling wall. As shown in FIG. 2, in order to lock a support member 8 which will be described later, at a predetermined position of the top wall 1a of the horizontal member 1, a groove shape is formed at intervals in the width direction of the horizontal member 1. A pair of second engaging through holes 4 and an engaging notch 3a spaced from the pair of second engaging through holes 4 in the longitudinal direction of the horizontal member 1; The first locking through hole 3 sandwiched between the pair of second locking through holes 4 is the first locking through hole 3 in both horizontal step portions 1c of the horizontal member 1 and Side locking through holes 5 are formed at positions corresponding to the positions of the second locking through holes 4. Further, in order to mount an auxiliary mounting piece 9g of a building equipment device member 9 which will be described later, a pair of auxiliary mounting piece through holes 6 are formed in both horizontal step portions 1c at other predetermined positions of the horizontal member 1. A pair of through holes 7 for attachment are formed in both side walls 1b of the horizontal member 1 immediately above it.

In FIG. 1, reference numeral 8 is a support member for mounting a construction equipment device member 9 to be described later, which is made of a flexible material, and its detailed structure is shown in FIGS. As is apparent, the vertical cross section is substantially U-shaped, and the front plate portion 8b and the rear plate portion 8c are erected so as to face each other while being connected by the bottom plate portion 8a. The width of the portion 8c is equal to the distance between the opposite side walls 1b of the horizontal member 1, and the heights of the front plate portion 8b and the rear plate portion 8c are the same as the height of the side wall 1b of the horizontal member 1. And the bottom plate portion 8a
Is parallel to and is at the same height as both flat surfaces 1g when the support member 8 is locked and attached, the lateral side surfaces of the front plate portion 8b and the rear plate portion 8c correspond to the cross section of the internal space 2 of the horizontal member 1. The shape will fit. The top of the front plate 8b is at the same height as the top of the rear plate 8c, and the front plate locking claw piece 8e is provided on the top of the front plate.
Two rear plate locking claw pieces 8f are formed on the top of the rear plate so that the tips of the claw pieces face each other and face outward. Reference numeral 8d is a pair of insertion holes formed in a groove shape in the width direction of the bottom plate portion 8a for mounting a building equipment device member 9 which will be described later, and reference numeral 8g is both ends of the bottom plate portion 8a in the width direction. It is a pair of side locking claw pieces that stand up from above.

To engage the support member 8 with the horizontal member 1, the pair of side engaging claw pieces 8g of the support member 8 are fitted into the pair of side engaging through holes 5 of the horizontal member 1. The supporting member 8 is inserted into the internal space 2 while being assembled, and one front plate locking claw piece 8e is provided in the first locking through hole 3 of the horizontal member 1 on the front plate 8b side. It is attached to the edge of the locking notch 3a, and on the rear plate 8c side, two rear plate locking claw pieces 8f are attached to the second locking through hole 4.
Hang on the edge of. A state in which the support member 8 is locked to the horizontal member 1 is shown in FIG. In order to install one building equipment device member 9 to be described later in this way, a pair of support members 8 spaced at a predetermined interval are attached to each other with their front-back directions reversed as shown in FIG. It In FIG. 1, reference numeral 9 indicates a building equipment device member. The building equipment component 9 is mainly a building equipment that is installed facing the room excluding lighting fixtures, such as an intake or exhaust port of an air conditioner, a loudspeaker speaker, a sprinkler head, a smoke detector, etc. on the ceiling surface. The building equipment device member 9 described in the embodiment is mounted on the support member 8 for installation, and the building equipment device member 9 described in the embodiment has a flat rectangular shape around a bottom surface 9b of a flat rectangular shape having a circular hole 9c for mounting a speaker. A peripheral frame 9a is formed upright. When installing other building equipment, when performing various processing on the bottom surface 9b according to the shape, dimensions, etc. of the building equipment, and installing the building equipment that occupies the entire area within the peripheral frame 9a. The bottom portion 9b is omitted. However, when any building equipment is used, the peripheral frame 9a has a constant outer dimension.

As described above, since all the building equipments are arranged in the peripheral frame 9a of the building equipment member 9 which is a standard and flat square, as will be described later, it is constant regardless of the type of the building equipment. It can be attached with the attaching means. As is clear with reference to FIGS. 1, 2 and 4, the peripheral frame 9a of the building equipment component 9 is composed of lengthwise side frames 9d and width direction side frames 9e. The length of the frame 9e is set such that the frame 9d on both sides in the length direction contacts the flat surfaces 1g of the horizontal member 1 when the building equipment component 9 is mounted, and the frame 9e on both sides in the length direction. The length of 9d is
The dimension is between the pair of insertion holes 8d in the pair of support members 8 locked to the horizontal member 1. A pair of mounting claw pieces 9f, which face each other and face outward, corresponding to the pair of insertion holes 8d in the pair of support members 8, are provided at the upper side portions of the width-direction side frames 9e, respectively. Has been done. Although not essential for all building equipment members 9, especially when the weight of the building equipment to be held is large, the auxiliary attachment piece through hole 6 formed in the horizontal member 1 is further positioned. Correspondingly, the equipment member 9 for building equipment is used in which the auxiliary mounting pieces 9g having the screw holes 9h formed in the upper side portions of the lengthwise both side frames 9d are projected upward. The positions of the through holes 6 for the auxiliary mounting pieces in the horizontal member 1 and the positions of the auxiliary mounting pieces 9g in the longitudinal side frames 9d are common to all the building equipment components 9, and the building equipment components 9 Also when mounting in the reverse direction, it is usual that any of the auxiliary mounting pieces 9g is arranged so as to match with any of the auxiliary mounting piece through holes 6.

In order to attach the building equipment component 9 to the pair of supporting members 8 engaged with the horizontal member 1, first, if the building equipment component 9 has an auxiliary attachment piece 9g, each auxiliary attachment is attached. While inserting the piece 9g into each auxiliary attachment piece through hole 6 of the horizontal member 1, a pair of attachment claw pieces 9f on one side of the width direction side frame 9e is provided on the bottom plate portion 8a of the one support member 8. It is inserted into the pair of insertion holes 8d and engaged with the edge portion of the insertion hole 8d, and then the lower portion of the other support member 8 is bent in the length direction of the horizontal member, and the width direction side frame 9e of the other side is formed. A pair of mounting claw pieces 9
After the position of f is aligned with the pair of insertion holes 8d in the bottom plate portion 8a of the other support member 8, the attachment claw piece 9f is inserted into the insertion hole 8d to eliminate the bending of the support member 8. For example, the attachment claw piece 9f is attached to the edge of the insertion hole 8d. When the building equipment device member 9 is attached to the support member 8, both vertical walls 1d of the horizontal member 1 serve as guides for the lengthwise side frames 9d of the peripheral frame 9a of the building equipment device member 9. The positioning of the device member 9 is facilitated. Further, when a large number of building equipment components 9 are arranged on the ceiling surface, the lengthwise side frames 9d of all the building equipment components 9 are installed evenly on both sides of the horizontal member 1 vertically. It will be positioned by the wall 1d, and there will be no partial misalignment.
In order to mount the auxiliary mounting piece 9g of the building equipment device member 9 on the horizontal member 1, further, as shown in FIG. 5, the auxiliary mounting piece 9g which has passed through the auxiliary mounting piece through hole 6 of the horizontal member 1 Screw hole 9
The screw 10 is attached to the through hole 7 for mounting the h and the horizontal member 1 that matches with h.
Is carried out, and then the nut 11 is screwed and fastened to the screw 10. Thus, the attachment of the building equipment component 9 to the support member 8 is completed.

As is apparent from FIG. 4, the peripheral equipment 9a of the construction equipment component 9 thus mounted has its upper portions on both sides of the circumferential frame 9a in the longitudinal direction adhered to both flat surfaces 1g of the horizontal member 1. Since it is spliced, the building equipment device member 9 is maintained in a stable splicing state with respect to both flat surfaces 1g of the horizontal member 1, and separates to generate a vibrating portion or generate noise. There is nothing to do. Also, the vertical position of the building equipment device member 9 is
Since the upper part of the longitudinal side frame 9d of the peripheral frame 9a is fixed by being attached to both flat surfaces 1g of the horizontal member 1, each vertical position of various building equipment device members 9 provided on the ceiling surface is determined. Will be aligned, and there will be no unexpected irregularities on the ceiling. Further, by setting the vertical position of the ceiling panel 12 in correspondence with the vertical position of the building equipment component 9, as shown in FIG. 4, the vertical direction of the ceiling surface of the ceiling panel 12 is set. Since the position and the vertical position of the building equipment component 9 can be perfectly matched, a ceiling surface that is flush with the entire ceiling can be formed.

At the same time, since both horizontal walls 1e of the horizontal member 1 are located above the lower surface of the building equipment component 9, both horizontal walls 1e of the horizontal member 1 are exposed in a protruding manner on the ceiling surface. Without forming the bottom of the open joints formed by the building equipment component 9 and the ceiling panel 12, both horizontal walls 1e of the horizontal member 1 which is a structural member and not a finishing member are hidden from the ceiling surface. Does not spoil the appearance. Further, since the upper side portions of both side frames 9d in the longitudinal direction of the peripheral frame 9a in the building equipment component 9 are surrounded by both vertical walls 1d of the horizontal member 1, the horizontal direction of the building equipment component 9 The movement and rotation are prevented, and the upper portions of the lengthwise both side frames 9d are concealed so that the parting of the building equipment component 9 is formed elegantly.

A second embodiment of the present invention is shown in FIGS. 6 and 7. The main difference between the second embodiment and the first embodiment is that, regarding the support member, in the first embodiment, the front plate portion 8b and the rear plate portion 8c of the support member 8 have the same width. ,
In the second embodiment, the support member 18 is used at one end of the horizontal member 1 and the rear plate portion 18c is made narrower than the front plate portion 18b in order to prevent interference with other members. Regarding the locking to the material, in the first embodiment, the side locking claw piece 8g in the support member 8 is locked to the lateral material side wall 1b, whereas in the second embodiment such a locking is performed. Regarding the point of not having the configuration and the attachment of the building equipment device member to the support member, in the first embodiment, the pair of attachment claw pieces 9f provided on the width direction side frame 9e upper side of the building equipment device member 9 is used as the support member. While it is inserted and engaged in a pair of insertion holes 8d formed in the bottom plate portion 8a, in the second embodiment, the outer side is projected toward the upper side in the width direction side frame 19e of the building equipment component 19. Main mounting piece with through hole 19i
Of the bottom plate portion 18a of the support member 18 such that the through hole 19j is aligned with the mounting screw hole 18h provided in the bottom plate portion 18a of the support member 18.
Is performed by screwing the mounting screw 20 into the mounting screw hole 18h, and the basic configuration is the same except for these differences, and the operation and effect are also the same.

[0017]

The present invention has the following effects. A. As for the building equipment component, since the upper side parts of both side frames in the length direction of the peripheral frame are attached to both flat surfaces of the horizontal member,
The building equipment component is maintained in a stable splicing state on both flat surfaces of the horizontal member, and does not separate to generate a vibrating portion or generate noise. B. The vertical position of the building equipment device member is determined by the upper parts of both side frames in the lengthwise direction of the peripheral frame being affixed to both flat surfaces of the horizontal member, so that the various positions of the same external shape attached All the vertical positions of the building equipment device members are aligned, so that unexpected irregularities do not occur on the ceiling surface. Also, by setting the vertical position of the ceiling panel in correspondence with the vertical position of the building equipment device member,
Since the vertical position of the ceiling surface of the ceiling panel and the vertical position of the building equipment component can be perfectly matched, a flat ceiling surface can be formed over the entire ceiling.

C. Since both horizontal walls of the horizontal material will be located above the lower surface of the building equipment component, both horizontal walls of the horizontal material that are structural members and not finish members must be exposed in a protruding shape on the ceiling surface. It does not spoil the appearance. D. In the mounted state, since the upper portions of both side frames in the length direction of the peripheral frame of the building equipment device member are surrounded by both vertical walls of the horizontal member, the horizontal movement of the building equipment device member or The rotation is prevented, and the upper portions of both side frames in the length direction of the peripheral frame are concealed, so that the partition of the building equipment device member is formed elegantly. F. During installation, both vertical walls of the horizontal member serve as guides for both side frames in the length direction of the peripheral frame of the building equipment component to facilitate positioning of the building equipment component. When a large number of building equipment components are installed on the ceiling surface, both longitudinal frames of the peripheral frame of all building equipment components will be positioned by both vertical walls of the horizontal member. , There is no partial irregularity.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an outline of a first embodiment of a building equipment device member mounting device in a ceiling according to the present invention.

FIG. 2 is an exploded perspective view showing each member of the embodiment.

FIG. 3 is a perspective view showing an engaged state of a horizontal member and a supporting member in the embodiment.

FIG. 4 is a cross-sectional view of the same embodiment as seen from a cross-sectional direction of a horizontal member.

FIG. 5 is a perspective view showing a mounting state of a building equipment device member in the embodiment.

FIG. 6 is a perspective view showing a second embodiment of the building equipment component attaching device in the ceiling according to the present invention.

FIG. 7 is a perspective view showing a mounting state of the support member and the building equipment device member of the embodiment.

[Explanation of symbols]

1 Horizontal material 1a Top wall 1b Side wall 1c Horizontal step 1d Vertical wall 1e Horizontal wall 1f Lip wall 1g Flat surface 2 Internal space 3 First locking through hole 4 Second locking through hole 6 Auxiliary mounting piece transparent Holes 8 and 18 Support members 8a and 18a Bottom plate portions 8b and 18b Front plate portions 8c and 18c Rear plate portion 8d Insertion holes 8e Front plate portion locking claw pieces 8f Rear plate portion locking claw pieces 9 and 19 Building equipment equipment Member 9a Surrounding frame 9d Length direction side frame 9e, 19e Width direction side frame 9f Mounting claw piece 9g Auxiliary mounting piece 10 Screw 18h Mounting screw hole 19i Main mounting piece with through hole 19j Through hole 20 Mounting screw

Front page continuation (72) Inventor Tetsuo Tobikawa 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo Inside Naka Technical Research Institute Co., Ltd.

Claims (4)

[Claims] 1. A top wall, a pair of side walls provided at both edges of the top wall so as to face downward, a horizontal step portion extending outward from each side wall end edge, and each horizontal step portion end. The top wall is formed by a vertical wall extending downward from the edge, a horizontal wall extending outward from each vertical wall edge, and a lip wall extending upward from each horizontal wall edge. And a horizontal member which forms an inner space opened downward by the both side walls and has both flat surfaces formed by the lower surfaces of the horizontal step portions, and the horizontal member which is unitarily or joint-joined with the horizontal member. A supporting member that is arranged and mounted in the inner space of the horizontal member at a predetermined interval, and at least its bottom plate portion is parallel to both flat surfaces in the mounted state and has substantially the same height; and the horizontal member. A flat rectangular peripheral frame having a width with which the both side frames in the length direction come into contact with the both flat surfaces of the peripheral frame. On the upper side of the opposite side frames, a coupling piece that is coupled to the bottom plate portion of the support member by a coupling means is projectingly provided, and the building equipment is a building equipment member in which the building equipment is disposed in the peripheral frame. The device member is connected to the corresponding bottom plate portion of the support member, which is attached to the lateral member at a predetermined interval by the connecting means, by connecting the connecting pieces on the upper side portions of the side frames in the width direction of the peripheral frame. By mounting, the upper side portions of both side frames in the lengthwise direction of the peripheral frame of the building equipment device are attached to both flat surfaces of the horizontal member, and the upper side portions of both side frame members in the lengthwise direction of the horizontal member are An apparatus for mounting building equipment components on a ceiling, characterized by being surrounded by both vertical walls. 2. An insertion hole is formed in a bottom plate portion of the support member, and the coupling piece on the upper side portions of both side frames in the width direction of the building equipment component peripheral frame itself serves as the coupling means. 2. The ceiling according to claim 1, wherein the mounting claw piece is provided in an expanded shape, and the building equipment device member is mounted on the support member by inserting the mounting claw piece into the insertion hole. Equipment attachment device for building equipment. 3. A bottom plate portion of the support member is provided with a mounting screw hole, and the connecting piece in the width direction both side frame upper part of the peripheral frame of the building equipment component is a through hole protruding outward. 2. The building equipment device member is attached to the support member by screwing a mounting screw, which is an attached main mounting piece, as the coupling means from the through hole into the mounting screw hole. A device for mounting a building equipment device on the ceiling described. 4. An auxiliary mounting piece is projected upward at a predetermined position on the upper edges of both side frames in the length direction of the peripheral frame of the building equipment device member, and auxiliary is provided on both horizontal step portions of the corresponding horizontal member. A through hole for a mounting piece is provided, and in a state where the building equipment device member is installed, the auxiliary mounting piece inserted through the through hole for the auxiliary mounting piece of the horizontal member is fixed to the side wall of the horizontal member by screwing. The construction equipment equipment member mounting device in the ceiling according to any one of claims 1 to 3, characterized in that.