JP2003114045A - Duct suspension band - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a duct suspension band to be generally used regardless of the duct diameter. SOLUTION: A screw 7a is formed at the lower end of a shaft material 7 suspended from a slab on the ceiling. A horizontal part on one end side of an L-shaped clamp 8 is engaged with the screw 7a, and a hole 8a is bored in a vertical part on the other end side of the L-shaped clamp 8. The suspension band 1 has holes 2a and 2b in both ends, forming a ring for suspending a duct by engaging a male member 15 and a female member 16 with the holes 2a, 2b and the hole 8a of the L-shaped clamp 8. Before or after the ring is formed, an air conditioning duct is inserted into the ring and supported.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension band for a duct that supports a duct for air circulation of an air conditioner arranged in a building such as a building.

[0002]

2. Description of the Related Art A large-scale air conditioner is provided to adjust the temperature of a building, etc., a duct is connected to this air conditioner, and the duct is stretched over the ceiling of the building to keep cold or warm air in each room. I try to blow air. FIG. 8 shows an example of a state in which the air conditioning duct 51 is attached to the back of the ceiling. As shown in the figure, the duct 51 is suspended by a suspension tool 52. The suspending tool 52 includes an embedded metal fitting 53 embedded in the slab 50 and a bind wire 54, and the bind wire 54 is formed of a covered iron wire of about 1 m. Duct 5
A suspension band 55 is attached to the periphery of the device 1, and the device 1 is supported by the suspension device 52 by binding a bind wire 54 to a hole 56 provided in the head of the suspension band 55. The duct 51 is provided with a hanging band 55.
It is supported at intervals of about 1 m in the longitudinal direction. FIG. 9 is an enlarged view of the duct 51. The duct 51 is formed by winding a polyester non-woven fabric 57 around a spirally formed steel wire 56, arranging a heat insulating material such as glass wool 58 around it, and covering it with a vinyl chloride resin film 59. It itself is lightweight and has excellent heat insulation and heat retention.

[0003]

The duct 51 is connected to an air conditioner (not shown) and is vibrated by the flow of air blown from the air conditioner. When the duct 51 is suspended by the suspension band 55 made of metal in such a state, the film 59 in contact with the band 55 may be damaged due to long-term vibration, and the glass wool 58 may be exposed. The present invention has been made in view of such circumstances, and provides a versatile duct suspension band that is easy to install, does not damage the duct, and is not affected by the duct diameter. With the goal.

[0004]

In order to achieve the above-mentioned object, the first aspect of the present invention is to attach a mounting member provided at both ends of a strip-shaped member to a fixed portion on the building side to form a ring with the strip-shaped member. In a suspension band of a duct formed by placing a duct in the wheel and suspending the duct, the fitting is a hook composed of a male member and a female member, and the hook is fitted to a fixed portion on the building side. The fitting part of the hook is formed through the hole of the fixing part so that the fitting part of the hook is inserted into the hole of the fixing part to sandwich the fixing part between the male member and the female member. I hung it at. Further, in order to achieve the above-mentioned object, according to claim 2 of the present invention, both ends of the strip-shaped member are attached to the fixed portion on the building side through a fixture, and the strip-shaped member forms a ring to form a ring. In a suspension band of a duct in which a duct is placed and suspended, the fitting is a hook composed of a male member and a female member, and the hook is fitted to both ends of the strip-shaped member and a fixed portion on the building side. The joining portion is formed with a hole penetrating therethrough, and the fitting portion of the hook is passed through each hole of the belt-shaped member and the fixing portion to sandwich the belt-shaped member and the fixing portion between the male member and the female member. The above duct was hung with a belt-shaped member. Further, in order to achieve the above-mentioned object, the third aspect of the present invention is that the both ends of the strip-shaped member are attached to the fixed portion on the building side through the attachments, and the strip-shaped member forms a ring to form a ring. In a suspension band for a duct in which a duct is placed and suspended, the fitting is a hook composed of a male member and a female member, and a hole through which a fitting portion of the hook penetrates is formed at both ends of the belt-shaped member. While forming a through hole that penetrates the fitting portion of the hook,
The fixing portion is formed with hooks, and the fitting portions of the hooks are passed through the holes at both ends of the strip-shaped member, so that both ends of the strip-shaped member are sandwiched between the male member and the female member.
The through hole formed in the hook was hooked to the hook, and the duct was suspended by the belt-shaped member. Claim 2
In the invention of 3 or 3, three or more holes through which the fitting portion of the hook can penetrate are formed in the belt-shaped member along the longitudinal direction of the belt-shaped member, and two holes through which the fitting portion penetrates are formed. It is selected appropriately according to the size of the duct.
In any of the above inventions, the inner layer material of the duct is a flexible duct, and a heat insulating material is provided on the outer periphery of the duct, and the outer periphery of the heat insulating material can be covered with a film. Further, in the invention of claim 2 or 3, the elongated member of the belt-shaped member is formed with a large number of holes in the longitudinal direction thereof through which the fitting portions of the hooks penetrate at predetermined intervals, and the elongated member is appropriately formed. It is cut to length so that it can be used.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The structure of a suspension band for a duct according to a first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a hanging band 1 according to the invention. The hanging band 1 is composed of a belt-shaped member 2 and an annular ring 4. The belt-shaped member 2 is made of, for example, polyester cloth as a base material and has P on both front and back surfaces.
It has a VC (polyvinyl chloride) coating. In the present embodiment, the strip-shaped member 2 has a width of 50 mm and a thickness of 0.5 mm, and various lengths are prepared as shown in FIG. The annular rings 4 attached to both ends of the strip-shaped member 2 are annular thin plates and have circular holes 4a formed therein. These rings 4 are caulked and fixed to the holes formed in the belt-shaped member 2.

Such a hanging band 1 is used as a supporting member for an indoor air conditioning duct. That is, FIG.
As shown in, a support tool 6 is attached to the slab 5 provided in a building such as a building. The support tool 6 is an embedded metal fitting 6a.
Is embedded in the slab 5, and a shaft-like member 6b attached to the embedded metal fitting 6a by screwing or the like is hung from the slab 5,
A U-shaped hook 6c is formed at the lower end thereof.
On the other hand, the annular rings 4 on both ends of the suspension band 1 are overlapped to form a ring of the suspension band 1, and the air conditioning duct 9 is passed through the ring to support the air conditioning duct 9 on the suspension band 1. To be done. The plurality of suspension bands 1a to 1c shown in FIG. 1 are selected according to the diameter of each air conditioning duct 9 as shown in the ducts 9a to 9c shown in FIG. The same duct as the duct 51 shown in the conventional example is used (the same applies to the following embodiments).
In this way, since the duct is suspended by the soft and tough band-shaped band 1, the hanging band 1 can be attached by hooking the ring 4 through the hook without damaging the film of the exterior material of the duct. Can be easily installed.

FIG. 3 shows another method of attaching the suspension band 1. Similar to the slab 5 shown in FIG. 2, a screw 7a is formed on the lower end of a shaft member 7 that is suspended from the slab 5, and a horizontal portion of an L metal fitting 8 in which a flat plate is formed in an inverted L shape is formed on the screw 7a. Is screwed onto the screw 7a. A hole 8a through which the shaft portion of the bolt 12 penetrates is formed in the vertical portion on the other end side. Then, the L metal fitting 8 is sandwiched between both ends of the suspension band 1 and fastened with the bolt 12 and the nut 13 to form a ring of the belt-shaped member 2, and the duct 9 is passed through the ring to form the L metal fitting. The duct 9 is suspended by 8. The L metal fitting 8 has a pair of nuts 17 screwed onto the screws 7a on both upper and lower sides of its horizontal portion, and the nuts 17 can be vertically moved in the axial direction of the shaft member 7 to adjust the height of the duct. You can

Next, the structure of the suspension band of the duct according to the second embodiment of the present invention will be described with reference to the drawings. The same names as those in the first embodiment will be described with the same reference numerals. 4A is
The suspending band 1 which concerns on the 2nd Embodiment of this invention is shown. The hanging band 1 is composed of a belt-shaped member 2 and a hook 14 shown in A of FIG. The strip-shaped member 2 is made of the same material as that of the strip-shaped member of the first embodiment, and has the same width and thickness. The length of the strip-shaped member 2 is a predetermined length according to the diameter of the duct 9. To be disconnected.

The hooks 14 attached to both ends of the belt-like member 2 are well-known commercially available male members 15 and female members 1.
It consists of 6 and 6. The male member 15 attached to one end of the belt-shaped member 2 has a circular head 15a as shown in FIG.
And a cylindrical protrusion 15b protruding from the center of the circular head 15a
Formed from. The female member 16 attached to the other end of the belt-shaped member 2 is formed with a base end portion 16a and a cylindrical recess 16b protruding from the center of the base end portion 16a and fitted with the protrusion 15b. These male member 15 and female member 16 are
Each of them is caulked and fixed in the hole formed in the belt-shaped member 2.

As shown in FIG. 6, the suspension band 1 is attached to an L metal fitting 8 attached to the lower end of a shaft member 7 suspended from a ceiling slab. The vertical portion of the L metal fitting 8 has a hole 8 through which the cylindrical recess 16b of the female member 16 passes.
a is drilled. The diameter of the hole 8a is smaller than the diameter of the base end 16a of the female member 16 and larger than the diameter of the recess 16b. When the male member 15 and the female member 16 of the hook 14 are fitted in the hole 8a, the circular head portion 15a and the base end portion 16 of these members are engaged.
The gap between a and the thickness of the two belt-shaped members 2 and the L metal fitting 8
The convex portion 15b and the concave portion 16b are formed so as to have a thickness obtained by adding the above thickness. Then, the convex portion 15b of the male member 15
Through the hole 8a of the L fitting 8 so that the circular head 1 of the male member 15
The L metal fitting 8 is sandwiched between 5a and the base end portion 16a of the female member 16, and the convex portion 15b of the hook 14 is fitted into the concave portion 16b to form a ring of the belt-shaped member 2. The duct 9 is hung from the L metal fitting 8 so that the air conditioning duct 9 is passed through. The height of the duct 9 is adjusted by the procedure described in FIG. When the air conditioning duct 9 is attached in this way, there is an advantage that the hanging band 1 can be fixed to the L fitting 8 without using the bolt 12 and the nut 13 shown in FIG. 3, and the duct 9 can be easily attached. Even with this configuration, it is possible to prevent the film as the outer layer material of the duct 9 from being damaged.

Next, the structure of the suspension band of the duct according to the third embodiment of the present invention will be described with reference to the drawings. The same names as those in the first embodiment will be described with the same reference numerals. As shown in FIG. 4B, the band-shaped member 2 of the suspension band 1 is made of the same material as that of the suspension band 1 described in the first embodiment, and the hook 14 is not attached. Further, the width and thickness of the strip-shaped member 2 are also the same as those in the above-mentioned embodiment, and the difference is that a large number of holes 2a to 2x are formed in the longitudinal direction of the strip-shaped member 2 with arbitrary intervals. . The male member 15 and the female member 16 of the hook 14 are fitted into any two of these many holes 2a to 2x. Hole 2
The diameters of a to 2x are smaller than the diameter of the base end portion 16a of the female member 16 and larger than the outer diameter of the tubular recess 16b. In addition,
The holes 2a to 2x are subjected to a clean cut so that the fiber portion is not loosened.

To give an example of the locations where the hole positions of the holes 2a to 2x are formed, if the duct has a sales size, that is, if the duct has a circular cross section, the position adapted to the minimum diameter of the sales size. Holes 2a and 2b are formed in the holes. Then, as shown in FIG. 7, the holes 2a and 2b and the hole 8a formed in the L metal fitting 8 are overlapped with each other so that the convex portion 15b of the male member 15 and the concave portion 16b of the female member 16 of the hook 14 are fitted to each other. The hanging band 1 is fixed to the L fitting 8. The fixing work is the same procedure as the above embodiment. Further, in the case of using the duct having the next largest diameter in the selling size, the hole 2c is formed corresponding to the position where the duct is increased by the increased length. Then, the hanging bands 1 are fixed to the L fitting 8 by overlapping the holes 2a and 2c and the hole 8a formed in the L fitting 8 and stopping the fitting portion of the hook 14. Similarly, even if the diameter of the duct increases,
The hanging band 1 can be attached to the L fitting 8 according to the diameter of the duct. Thus, in the present embodiment,
Even if the diameter of the air-conditioning duct 9 becomes large, one type of hanging band 1 has an advantage of being able to handle a plurality of ducts 9 having different diameters, and can be used as a general-purpose product of the belt-shaped member 2.

Next, the structure of the suspension band of the duct according to the fourth embodiment of the present invention will be described with reference to the drawings. The same names as those in the first embodiment will be described with the same reference numerals. The belt-shaped member 2 of the suspension band 1 shown in FIG. 4C is made of the same material as the suspension band 1 described in the first embodiment, and the hook 14 is not attached. Further, the width and thickness of the belt-shaped member 2 are the same as those in the first embodiment.
The difference in the shape is that a large number of holes 2a to 2x are formed continuously without being cut like the strip-shaped member 2 of FIG. 4B and like the strip-shaped member 2. The positions of the holes may be formed at equal intervals.

In the present embodiment, the belt-shaped member 2 is rolled into a product. When the strip-shaped member 2 is used, as described in the third embodiment, the strip-shaped member 2 is cut in conformity with the hole position corresponding to the diameter of the duct, and many strip-shaped members 2 having the same shape are produced. Then, the duct 9 is suspended by the suspension band 1. When the strip-shaped member 2 having holes at equal intervals is used, the strip-shaped member 2 is cut into a length most suited to the diameter of the duct, and one of the holes 2a and holes 2b to 2x at both ends thereof is cut. The hook 14 is inserted into the above to support the duct as in the third embodiment. In this way, it can be used for ducts having any diameter, and can be used as a versatile band member 2. Also in this embodiment, the same effect as that of the third embodiment can be obtained. In addition, in the present embodiment, if the thickness of the belt-shaped member 2 is 0.5 mm, it is 200 m.
The strip-shaped member 2 having a length of is a roll having a diameter of 30 cm. Therefore, by bundling the band-shaped members 2 into one bundle,
It has the advantage that it can be easily stored and managed.

Next, the structure of the suspension band of the duct according to the fifth embodiment of the present invention will be described with reference to the drawings. The same names as those of the first embodiment will be described with the same reference numerals. In the present embodiment, the structure of only the hook 14 is different from that of the second to fourth embodiments. As shown in FIG. 5B, the hook 14 has the same basic shape as that of FIG. 2A, but the male and female members 15,
16 together with the male and female members 15, 1 at the center of each of them.
6, that is, through holes 15c and 16 penetrating the hook 14
form c. By attaching the hook 14 to the belt-shaped member described in the second and fourth embodiments, the U-shaped hook 6c at the lower end of the support 6 shown in FIG.
Then, the duct can be hung by the hanging band 1 so that the duct is hooked through the holes 15c and 16c of the hook 14. And, even if the diameter of the duct changes, the belt-shaped member 2
There is an effect that the duct position can be changed by changing the hole position.

Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made based on the technical idea of the present invention. For example, in the above embodiment, the belt-shaped member 2 is made of polyester cloth as the base material and PVC coating is applied to both front and back surfaces thereof, but other resins may be used as long as the duct is not damaged. Further, what is supported by the hanging band 1 is not limited to the air conditioning duct, and can be used for ducts, pipes, tubes other than the air conditioning duct.

[0017]

As described above, according to the present invention, since the duct is supported by the belt-shaped member, it is possible to prevent the duct from being damaged. Further, since the through hole that can be engaged with the hook of the fixing member is formed in the hook, the work of supporting the duct becomes easy. Since a plurality of holes through which the convex portion and the tubular concave portion of the hook penetrate are formed in the strip-shaped member along the longitudinal direction of the strip-shaped member
By preparing one strip-shaped member, it became possible to support ducts having different diameters. When a large number of holes are formed in the longitudinal direction of the belt-shaped member to penetrate the cylindrical recess of the female member at a predetermined interval in the long-shaped member of the belt-shaped member, and the long product can be cut to an appropriate length to be used, By making the above long material into a roll shape, the storage and management of the belt-shaped member becomes easy.

[Brief description of drawings]

FIG. 1 is a plan view of a suspension band (3 types) of a duct according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view showing a state in which an air conditioning duct is suspended from a slab using the suspension band of the duct of FIG.

FIG. 3 is a perspective view showing another method of attaching the suspension band according to the first embodiment.

FIG. 4A is a plan view of a suspension band for a duct according to a second embodiment of the present invention, and FIG.
It is a top view of the suspension band of the duct by the 3rd Embodiment of invention, and C of FIG. 3 is a top view of what made the suspension band of the duct by the 4th Embodiment of this invention into the shape of a roll. is there.

5A is a second embodiment to a fourth embodiment of the present invention. FIG.
5 is a perspective view of a male member and a female member of a hook used in the embodiment of FIG. 5, and FIG. 5B is a perspective view of a male member and a female member of the hook used in the fifth embodiment of the present invention. .

FIG. 6 is a perspective view showing a method of attaching a suspension band (which is obtained by crimping a hook to a belt-shaped member) according to a second embodiment of the present invention.

FIG. 7 is a perspective view showing a method of attaching a hanging band (a hook and a belt-shaped member are separate bodies) according to a third embodiment of the present invention.

FIG. 8 is a perspective view showing a state in which an air conditioning duct is suspended from a slab using a conventional suspension band.

9 is an enlarged perspective view of the duct of FIG.

[Explanation of symbols]

1 hanging band 2 band members 4 annular ring 8 L metal fittings 9 Air conditioning duct 14 hooks 15 Male member 15b convex part 16 Female member 16b recess

Claims (6)

[Claims] 1. A suspension of a duct in which fittings provided at both ends of a strip-shaped member are attached to a fixed portion on the building side to form a ring with the strip-shaped member, and a duct is arranged in the ring to suspend the duct. In the hanging band, the fixture is a hook composed of a male member and a female member,
The fixing portion on the building side is formed with a hole through which the fitting portion of the hook penetrates, and the fitting portion of the hook is fixed to the male member and the female member by penetrating the hole of the fixing portion. A suspension band for a duct, characterized in that the above-mentioned duct is suspended by a strip-shaped member with a portion sandwiched therebetween. 2. A duct in which both ends of a strip-shaped member are attached to a fixed portion on the building side through attachments, a ring is formed by the strip-shaped member, and a duct is arranged in the ring to be suspended. In the hanging band, the fixture is a hook composed of a male member and a female member,
By forming a hole through which the fitting portion of the hook penetrates at both end portions of the strip-shaped member and the fixed portion on the building side, by inserting the fitting portion of the hook into each hole of the strip-shaped member and the fixed portion, A suspension band for a duct, characterized in that a strip-shaped member and a fixed portion are sandwiched between a male member and a female member, and the duct is suspended by the strip-shaped member. 3. A duct in which both ends of a strip-shaped member are attached to a fixed portion on the building side through attachments, a ring is formed by the strip-shaped member, and a duct is arranged in the ring to be suspended. In the hanging band, the fixture is a hook composed of a male member and a female member,
A hole through which the fitting portion of the hook penetrates is formed at both ends of the strip-shaped member, a through hole that penetrates the fitting portion is formed in the fitting portion of the hook, and a hook is formed in the fixing portion. By inserting the fitting portions of the hook through the holes at both ends of the band-shaped member, the both ends of the band-shaped member are sandwiched between the male member and the female member, and the through holes formed in the hook are used as hooks. A suspension band for a duct, characterized in that the duct is suspended and the duct is suspended by a belt-shaped member. 4. The belt-shaped member is formed with three or more holes through which the fitting portion of the hook can penetrate, along the longitudinal direction of the belt-shaped member, and two holes through which the fitting portion penetrates are ducted. The suspension band for a duct according to claim 2 or 3, wherein the suspension band is appropriately selected depending on the size of the duct. 5. An inner layer material of the duct is a duct having flexibility, a heat insulating material is provided on an outer circumference of the duct, and the outer circumference of the heat insulating material is covered with a film. The suspension band for the duct according to any one of 1. 6. The elongated member of the belt-shaped member is formed with a large number of holes at predetermined intervals in the longitudinal direction through which the fitting portions of the hook penetrate, and the elongated member is cut to an appropriate length for use. The suspension band for a duct according to claim 2 or 3, wherein the suspension band is provided.