JP2903382B2 - Connection structure of ceiling frame and pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling frame and said frame.
The present invention relates to a connection structure of a pipe penetrating a system.

[0002]

2. Description of the Related Art A pipe is used as a structure for connecting a ceiling frame and a pipe used for a sprinkler, a wiring for a lighting device, a wiring for a fire alarm device and the like which are conventionally used for a clean room. It is known to penetrate a hole in a frame and fix it by fixing means including packing. According to this conventional connection structure, the fixing of the pipe is unstable, the fixing structure is complicated, and the fixing operation is troublesome.

[0003]

SUMMARY OF THE INVENTION According to the present invention, a pipe can be firmly fixed in a stable state without wobbling the ceiling frame, and the fixing structure is simple and the fixing work is easy. It is an object of the present invention to provide a joint structure of a ceiling frame and a pipe which can be easily made.

[0004]

According to the present invention, in order to achieve the above object, a rectangular plate-like pipe holding member is incorporated in a ceiling frame, and this holding member is fixed to the ceiling frame with screws. Then, the pipe is passed through the holes of the ceiling frame and the pipe holding member, and the pipe is fixed to the pipe holding member with screws.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION As a joint structure of a ceiling frame and a pipe according to the present invention, first to third members used for a clean room are used.
The embodiment will be described below.

FIGS. 1 to 6 relate to a first embodiment of the present invention, in which a sprinkler is mounted on a ceiling frame (1).
The pipe (3) for piping of (2) is connected.

[0007] The ceiling frame (1) is an elongated frame formed by a top wall portion (4) and side wall portions (5) extending downward from both ends of the top wall portion to have an inverted groove-shaped cross section. It is. The top wall (4) is provided with a through hole (6) at the center thereof, and the diameter of the through hole (6) forms an annular space (7) for sealing with the pipe (3). It is formed in size. The top wall (4) is also integrally formed with an engaging wall (9) having an inverted T-shaped groove (8) above the center thereof, and the engaging wall (9) is formed on the ceiling frame (1). The head (11) of the hanging rod (10) fits into the groove (8) of the hanging rod and is used for hanging. Engagement wall (9) is also pipe through hole (12)
Is formed concentrically with the pipe through hole (6) of the ceiling frame (1) so as to communicate with each other, and the through hole (1) is formed.
The size of 2) is also formed in the same size as the through hole (6) of the ceiling frame (1). The side wall portion (5) has a tongue-shaped receiving portion (13) formed in the inside thereof, which is parallel to the top wall portion (4) and extends in a direction opposite to each other, and the receiving portion (13) is a ceiling frame.
A groove (15) that extends in the longitudinal direction of the drum (1) and is fitted to both ends of the pipe holding member (14) is formed between the groove and the top wall (4).

As shown in FIG. 6, the pipe holding member (14) has a substantially rectangular plate shape, and has a pipe through hole (16) at its center and a concentric circle with the through hole. Step (17)
There is formed an enlarged hole (18) that communicates through the opening and opens on the upper surface of the holding member (14). The through hole (16) is sized to fit the pipe (3) almost exactly and hold it without rattling. The enlarged hole (18) is sized to form an annular space (19) for sealing with the pipe (3). The pipe holding member (14) further includes a vertical screw hole (22) for holding the holding member extending from the upper surface (20) to the lower surface (21), and a pipe reaching the through hole (16) from the outer surface (23). It has a lateral screw hole (24) for fixing.

The upper end of the suspension rod (10) is suspended at a predetermined mounting position (not shown), and the lower end extends into the groove (8) of the engaging wall (9) of the ceiling frame (1). The lower thread (2
A nut (11) is screwed into 5) as a head, and this head is engaged with the engagement wall (9). In this way, the ceiling frame (1) is suspended in a suspended state below the ceiling (not shown) of the building itself by the suspension rod (10). At this time, double nut (3
6) and (37) are screwed into the external thread (25) of the hanging rod (10),
Together with (11), the engagement wall (9) is tightened. The ceiling frame (1) is assembled in a lattice, and a filter (26) for air cleaning is attached to the top wall (4).
This filter fills the lattice space of the ceiling frame (1). The air is blown out from the space above the ceiling (27) through the filter (26) into the clean room (28) as a clean air by a blower (not shown).

The pipe holding member (14) slides in the longitudinal direction of the ceiling frame (1) in a groove (15) between the top wall (4) of the ceiling frame (1) and the receiving portion (13). At the position where the pipe through hole (16) of the holding member coincides with the through hole (6) of the ceiling frame (1) as follows.
Fixed at 9). The first fixing screw (29) is screwed into the screw hole (22) of the holding member (14) from below, and its tip is pressed against the back side of the top wall (4). As a result, the holding member (14) is pressed against the receiving portion (13) and is fixed to the ceiling frame (1).

The pipe (3) is a part for sprinkler piping, and includes a through hole (12) of the engaging wall (9), a through hole (6) of the ceiling frame (1), and a holding member (14). ) Penetrates the enlarged hole (18) and the through hole (16), and the lower end thereof is connected to the head (32) of the sprinkler (2) via a joint (30).
2) is a lid (33) that closes the lower opening of the ceiling frame (1).
Looking down on the underside of.

The pipe (3) is fixed to the holding member (14) with the second fixing screw (34) as follows. A second fixing screw (34) is screwed into the screw hole (24) from the outside, and its tip is pressed against the outer periphery of the pipe (3).

The enlarged hole (18) of the holding member (14) and the pipe (3)
The annular space (19) is filled with a sealing material (35) in a liquid state and solidified at room temperature so as to have a soft elasticity. Then, the through-hole (16) of the holding member (14) and the pipe (3) are formed. The air in the space above the ceiling (27) is prevented from flowing into the clean room (28) without passing through the filter (26) from the gap between the contact surface with the air conditioner. At this time, the pipe through hole in the top wall (4) of the ceiling frame (1)
When the annular space (7) between the pipe (16) and the pipe (3) is filled with the sealing material (35) in the same process, the ceiling flare is reduced.
Air does not flow from the joint surface between the holding member (14) and the holding member (1).

FIG. 7 shows a second embodiment of the present invention.
A pipe (40) is used for wiring for the lighting fixture (41). This embodiment differs from the first embodiment only in the size of the diameter of the pipe (40). The other ceiling frame (1), the pipe holding member (14), the first fixing screw (29) and Since the structure of the fixing means by the second fixing screw (34), the sealing material and the like are the same,
A description of that point will be omitted.

FIG. 8 shows a third embodiment of the present invention.
A pipe (45) is used for wiring for a fire alarm (46).
This embodiment also differs from the first embodiment only in the size of the diameter of the pipe (45), and the other structures are the same.

[0016]

According to the present invention, there is provided an inverted groove-shaped ceiling frame (1) formed by a top wall (4) and side walls (5) extending downward from both ends of the top wall, and a pipe penetrating pipe. A substantially rectangular plate-shaped pipe holding member (14) having a hole (16) is provided, the pipe holding member (14) being parallel to the top wall (4) of the ceiling frame (1) and the top wall. The first fixing screw (29) is slidably fitted in the guide groove (15) between the receiving portions (13) extending in opposite directions from the side wall portion (5). The pipe holding member (14) is screwed into the screw hole (22) in the vertical direction of (14) from below, and its tip is pressed against the back surface of the top wall (4) of the ceiling frame (1) to thereby move the pipe holding member (14) to the ceiling frame. The pipe holding member (14) is fixed to the ceiling frame (1) by pressing it against the receiving part (13) of the sprinkler (2). For lighting equipment (41) Wiring, which is used in the wiring or the like for fire alarm equipment (46), further ceiling frame - the pipe through hole of the top wall portion of the beam (1) (4) (6)
And the second fixing screw (34) is passed through the pipe through hole (16) of the pipe holding member (14) and the horizontal screw hole of the pipe holding member (14).
Screw in (24) from outside and insert the tip into a pipe (3,40,45)
The pipe (3, 40, 45) is configured to be fixed to the pipe holding member (14) by pressing the pipe (3, 40, 45) on the outer periphery of the ceiling frame (1). It can be firmly fixed in a stable state without wobbling, and its fixing structure is simple and its fixing work is easy. The present invention also provides the pipe holding member
(14) is further concentric with the pipe through-hole (16) and communicates with the upper opening surface of the through-hole (16) and opens at the upper surface of the pipe holding member (14) to open the pipe (3, 40, 45) has an enlarged hole (18) surrounding it, and the sealing material (35) is in a liquid state in an annular space (19) between the enlarged hole (18) and the pipe (3, 40, 45). By pouring and hardening it to have a soft elasticity, the pipe through hole (16) of the pipe holding member (14) and the pipe (3, 40, 4)
5) It is configured to block the flow of air from the gap between the joining surface and the sealing work is easy,
And the cleanliness of the indoor air is kept high. According to the present invention, furthermore, the pipe through-hole (6) in the top wall (4) of the ceiling frame (1) is formed to have the same diameter as the enlarged hole (18) of the pipe holding member (14), Sealing material is also provided in the annular space (7) between the pipe through hole (6) and the pipe (3,40,45).
(35) is poured in a liquid state and hardened so as to have a soft elasticity so that air is prevented from flowing through a gap between the joint surface between the pipe holding member (14) and the ceiling frame (1). With this configuration, the air cleanliness in the room can be kept higher in addition to the ease of the sealing operation. The present invention also provides that the ceiling frame (1) has an inverted T-shaped groove (8) at substantially the center of the top wall (4) for engaging with the head (11) of the suspension rod (10). An engaging wall portion (9) is continuously provided, and the engaging wall portion (9) is provided.
Since the pipe through-hole (12) concentric with the pipe through-hole (6) of the ceiling frame (1) is also formed, the ceiling frame (1) can be easily suspended and the pipe ( 3,40,45)
The sealing work between the holding frame (14) and the ceiling frame (1) is also easy.

[Brief description of the drawings]

FIG. 1 is a plan view of a ceiling according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG. 1;

FIG. 5 is a sectional view taken along line DD of FIG. 1;

FIG. 6 is a perspective view of a pipe holding member.

FIG. 7 is a sectional view similar to FIG. 3, showing a second embodiment of the present invention;

FIG. 8 is a sectional view similar to FIG. 3, showing a third embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Ceiling frame 2 Sprinkler 3 Pipe 6 Pipe through hole 9 Engagement wall 10 Hanging rod 12 Pipe through hole
14 Pipe holding member 16 Pipe through hole 18 Enlarged hole 22 Screw hole 24 Screw hole 26 Filter 29 First fixing screw 33 Lid 34 Second fixing screw 35 Sealing material
36 Nut 37 Nut 40 Pipe 41 Lighting equipment 45 Pipe 46 Fire alarm

Claims (4)

(57) [Claims] 1. An inverted groove-shaped ceiling frame formed by a top wall, side walls extending downward from both ends of the top wall, and a square plate-shaped pipe holding member having a pipe through hole. The pipe holding member is slidably fitted in a guide groove between a top wall of the ceiling frame and a receiving portion extending in a direction parallel to the top wall in a direction opposite to each other from the side wall; The first fixing screw is screwed into the vertical screw hole of the pipe holding member from below, and its tip is pressed against the back surface of the top wall of the ceiling frame, thereby pressing the pipe holding member against the receiving portion of the ceiling frame. The pipe holding member is fixed to the ceiling frame, and the pipe is used for piping for sprinklers, wiring for lighting equipment, wiring for fire alarm equipment, and the like. Pipe through hole in top wall and pipe of pipe holding member The pipe is fixed to the pipe holding member by penetrating the through hole and screwing the second fixing screw into the lateral screw hole of the pipe holding member from the outside and pressing the tip against the outer periphery of the pipe. Connection structure of ceiling frame and pipe. 2. The pipe holding member further has an enlarged hole which is concentric with the pipe through-hole and communicates with an upper opening surface of the hole and which is opened on the upper surface of the pipe holding member and surrounds the pipe. Air is poured from the gap between the pipe through hole of the pipe holding member and the pipe by pouring the sealing material in a liquid state into the annular space between the enlarged hole and the pipe and solidifying it to have a soft elasticity. The joint structure for a ceiling frame and a pipe according to claim 1, wherein the ceiling frame and the pipe are blocked from flowing. 3. A pipe through hole in a top wall portion of the ceiling frame is formed to have substantially the same diameter as an enlarged hole of a pipe holding member, and also in an annular space between the pipe through hole and the pipe. 3. The ceiling frame according to claim 2, wherein the sealing material is poured in a liquid state and hardened to a degree having a soft elasticity, thereby blocking air from flowing through a gap between a joint surface between the pipe holding member and the ceiling frame. -Connection structure between the pipe and the pipe. 4. The ceiling frame is provided with an engaging wall having an inverted T-shaped groove for engaging with a head of a hanging rod at a substantially central portion of a top wall thereof. 4. The structure for connecting a ceiling frame and a pipe according to claim 1, wherein a pipe through-hole concentric with the pipe through-hole of the ceiling frame is also formed.