KR20130097256A - Duct clamp - Google Patents

Abstract

PURPOSE: A duct clamp is provided to maintain the cohesion between a duct and a clamp even if external shock is applied to the duct clamp by securely fixing the duct to a buried or fixed reinforcing bar. CONSTITUTION: A duct clamp comprises a fixed member (15) and a support member (18). The fixed member is vertically divided into a fixed band (11) and a rotary band (12). One ends of the fixed band and the rotary band facing each other are connected to each other, and the other ends are detachably coupled to each other. The support member has a connection plate (16) vertically extended to the outer surface of the fixed band. A fixing unit (17) for fixing a reinforcing bar buried in a ceiling or a floor is formed on one surface of the connection plate.

Description

Duct Clamp {DUCT CLAMP}

The present invention relates to a clamp for fixing the air duct. More specifically, the present invention relates to a duct clamp for fixing reinforcing bars or the like to be buried or fixed to a wall, floor, ceiling, or the like at a predetermined interval using an air duct installed indoors or outdoors for air conditioning.

In other words, the present invention is to be able to fix the air duct for air conditioning using a clamp on the wall or floor, ceiling or the like reinforced or fixed.

In general, the duct clamp is used to firmly fix a duct in a building or a machine, and is used for various types of duct such as a transfer pipe, a gas pipe, a hydraulic pipe, an air intake pipe, a steam pipe, etc. It is installed at predetermined intervals to fix and support the duct to firmly support the external environment such as earthquake, vibration.

Of these duct clamps, in particular, the duct clamp applied to the air conditioner is installed indoors or outdoors of the building serves to support the duct to guide the flow of air.

Generally, the ducts used for air conditioning are rectangular or circular in cross section, but in particular, circular cylindrical ducts are used in many cases, and heat generated due to the difference in the temperature of the air flowing in the ducts from the surrounding temperature is used. In order to prevent movement, insulation may be wound around the duct.

As the material of the duct, zinc iron sheet is commonly used, but sometimes vinyl chloride or glass fiber is also used.

In order to form an air circulation passage using the duct, a plurality of ducts are combined and connected, in particular, both ends of the two ducts must be coupled by interference fit. At this time, the outer circumferential surface of the joint connected to prevent the air, heat, gas, etc. from leaking into the gap between the two ends should be tightened by a coupling means such as a clamp to be stably coupled. In addition, the clamp is also used when the duct is fixed to the ceiling, wall, floor, etc. In this case, the clamp must maintain the binding force with the duct even from an impact such as an earthquake or vibration from the outside.

Here, the 'duct clamp' of Korean Patent Publication No. 10-2011-0075788 (published Jul. 06, 2011), which is already filed, is provided with a horizontal fixed plate bent at the bottom of the vertical plate, The lower part is cut to be bent in a direction opposite to the fixing plate to form a reinforcing piece for supporting the vertical plate together with the fixing plate, and to provide a seating portion in which the duct is seated at the center of the vertical plate, but both sides of the seating portion are horizontally The support member is bent to connect the duct with a binding band corresponding to the seating portion, and the coupling piece provided at one end is fitted into the cutout portion formed at the connection piece, and the fixing piece provided at the other side faces the connection piece. It consists of a binding member that is joined by a jersey bolt.

However, the prior art as described above has the hassle of turning the coupling piece of the binding member in the process of fixing the duct to join the cutout of the support member and fastening the screw to the bolt hole. The duct bound to the binding member may shake.

In addition, 'Danger Hanger Clamp' of Korean Patent Publication No. 10-2008-0085354 (published on September 24, 2008) is to wrap and maintain the outer circumferential surface of the duct, and the upper band divided into two upper and lower parts of a circular shape and It consists of a lower band, the opposite end of the upper band and the lower band is rotatably connected to the hinge portion, the other end is a band portion that can be coupled and separated by a coupling mechanism, both side walls and the upper plate to the upper band of the band portion And a fixing member having a protruding fixing part integrally formed to protrude and having a screw hole rotatably held to the protruding fixing part and fastened to a ceiling anchor bolt.

However, the prior art as described above has the hassle of fixing a separate anchor bolt on the ceiling, and after the duct is inserted between the upper band and the lower band, the lower band coupling ring is inserted into the hook of the upper band. There is discomfort to fit the lever.

In addition, the duct support device of Korean Patent No. 10-0619136 (August 25, 2006 registered notification) is a hanger clamp for supporting and fixing a wiring duct or a light duct, and a plurality of through holes are formed and the hanger A fixing piece coupled to the upper end of the clamp, a first connecting member having a connecting piece bent from the fixing piece, and a plurality of through holes are formed, and the fixing piece coupled to the upper end of the first connecting member and bent from the fixing piece. Including a second connecting member provided with a connecting piece, an angle or a shape steel is inserted and fixed between the connecting piece of the first connecting member and the second connecting member.

However, the above-described prior art may be unstable in the combination of the angle or the section steel and the connecting member and the hanger clamp may move up or down due to the external impact, and the position of the fixing plate with a large force after inserting the duct in the hanger clamp. There is an inconvenience to fix the duct.

In addition, the 'air duct fixing clamp structure' of Korea Registered Utility Model No. 20-0283484 (registered notification of 2002. 07. 15.) is an air duct fixing clamp structure, which is fixed to the inner circumferential surface of the fixing band, A protective member of the close contact with the elastic member, a coupling piece in which the lancing protrusion is bent on both sides to face the through hole on the upper side, and a coupling nut positioned at the end of the lancing protrusion with a circumference located in the through hole and a flange formed at the bottom thereof. The structure is further provided.

However, the above-mentioned prior art has a disadvantage in that the coupling anchor should be coupled to the coupling nut at the end of the lancing protrusion, and the lancing protrusion and the fixing band should be screwed in the state where the duct is inserted into the fixing band.

Korean Patent Publication No. 10-2011-0075788 (published Jul. 06, 2011) Korean Patent Publication No. 10-2008-0085354 (published Sep. 24, 2008) Domestic Patent No. 10-0619136 (Announcement dated Aug. 25, 2006) Domestic Registration Utility Model No. 20-0283484 (Registration notification of July 15, 2002)

The present invention for solving the various problems seen in the prior art as described above can be fixed to the correct position of the reinforcing bars, such as when the construction by fixing the reinforcing bars, such as buried or fixed to the ceiling, floor, wall surface using a clamp to the duct After construction, the purpose is to be able to firmly fix the duct to the bar or ceiling buried in the ceiling, floor, wall, etc.

In other words, an object of the present invention is to maintain the binding force between the duct and the clamp even in the external impact such as earthquake or vibration by firmly fixing the duct to the ceiling or floor, wall, or buried or fixed rebar.

Duct clamp according to the present invention for achieving the object as described above, is fixed to the duct while wrapping the duct to be installed on the ceiling, floor, wall, etc. for air conditioning consists of a fixed band and a rotating band divided into two vertically A fixing member configured to be coupled to one end of the fixing band and the rotating band so as to be rotated by a rotating means, and the other end thereof to be separated and coupled by a fastening means; And a supporting member having a fixing member extending vertically on an outer circumferential surface of the fixing member fixing band, and fixing means for fixing the reinforcing bar to be buried or fixed to one surface of the connecting plate, such as a ceiling, a floor, and a wall. It is done.

The fixing band and the rotating band may be formed in a band shape formed in a circular shape.

The rotating means has a hinge shaft is formed between the two support pieces formed outwardly on one end of the rotating band, a hinge groove is formed on the upper portion of the operating piece formed outwardly on one end of the fixing band, the hinge shaft is hinged It can be coupled to the groove to rotate.

An entrance preventing jaw may be formed at an inlet of the hinge groove to prevent separation of the hinge shaft inserted into the hinge groove.

The fastening means has a hook formed on the upper portion of the lower fastening plate extending horizontally to the other end of the rotary band, the fastening hole is formed to penetrate up and down through the upper fastening plate extending horizontally to the other end of the fixing band, The rotating band and the fixing band may be fastened by a separate coupling between the hook and the fastening hole.

A screw hole is formed in the lower fastening plate of the rotating band, and a through hole is formed in the upper fastening plate of the fixing band, and the rotating band and the fixing band can be double-fastened by screwing through the through hole and the screw hole. have.

The fixing means may be composed of two support plates vertically placed at a predetermined interval so that a fitting groove for fitting the reinforcing bar is formed on one surface of the connecting plate.

The two support plates may be arranged in plural at regular intervals on the same line to which one rebar may be inserted at the same time.

The two support plates may be arranged in plurality adjacent to each other by varying a distance from the fixing band so as to fit rebars fixed at different positions.

On the inner surface of the support plate may be a separation prevention jaw for preventing the separation of the reinforcing bars fitted in the fitting groove.

A reinforcing lead for reinforcing the extension strength of the fixing band and the connecting plate may be vertically installed on one surface of the connecting plate and connected to the fixing band.

Therefore, according to the present invention, the present invention can not only secure the correct position of the reinforcing bar during construction by fixing the reinforcing bar or the like buried or fixed to the ceiling, floor, wall surface using a clamp in the duct and also after the ceiling, floor, wall surface There is an effect that can be firmly fixed to the duct, such as buried or fixed to the back.

That is, the present invention has the effect of maintaining the binding force between the duct and the clamp even in the external shock such as earthquake or vibration by firmly fixing the duct to the buried or fixed rebar in the ceiling, floor, wall.

1 and 2 are perspective views showing the duct clamp according to the present invention.
3 is an exploded perspective view showing a duct clamp according to the present invention.
4 is a cross-sectional view illustrating a construction process of fixing the clamps disclosed in FIGS. 1 to 3 to a duct and then horizontally fixing reinforcing bars.
FIG. 5 is an enlarged sectional view taken along the line AA shown in FIG. 4. FIG.
6 is an enlarged cross-sectional view taken along line BB shown in FIG.
FIG. 7 is an enlarged cross-sectional view taken along line CC of FIG. 4.
8 is a cross-sectional view showing a construction process of fixing the clamps disclosed in FIGS.

1 and 2 are perspective views showing the duct clamp according to the present invention.

1 and 2, the duct clamp according to the present invention is formed of a synthetic resin having elasticity in the shape of a circle or a rectangle fixed to the duct while wrapping the duct to be installed on the ceiling, floor, wall, etc. for air conditioning It consists of a fixing member 15 for coupling with the duct for air conditioning and a support member 18 for holding the position of the reinforcing bar, such as being buried or fixed to the ceiling, floor, wall.

Therefore, in the process of constructing an air conditioner including a duct, the duct holds the position of the reinforcing bar through the clamp and, after construction, serves to hold the reinforcing bar so as not to move the duct through the clamp.

Here, the fixing member 15 having a circular or rectangular shape is composed of a fixing band 11 and a rotating band 12 divided up and down, and face a pair of the fixing band 11 and the rotating band 12. One end is connected to the rotating material by the rotating means 13, the other end is configured to be separated and coupled by the fastening means (14).

In addition, the support member 18 is a reinforcing bar that is connected to the outer peripheral surface of the fixing member (15) fixing band 11 vertically extends, buried or fixed to one surface of the connecting plate 16, such as ceiling, floor, wall It is provided with a fixing means 17 for fixing the.

3 is an exploded perspective view showing a duct clamp according to the present invention.

3, a circular fixing member 15, ie, a pair of fixing bands 11 and a rotating band 12, which is fixed to the ducts while surrounding the ducts installed on the ceiling, the floor, or the wall for air conditioning, is circular It has a belt shape formed in a circular shape so as to easily wrap the duct. Of course, depending on the shape of the duct can be deformed into a square or other shape.

The rotating means 13 is one end of the rotating band 12 to rotate the rotating band 12 to fix the fixing member 15, that is, the fixing band 11 and the rotating band 12 to the duct. Since the hinge shaft 20 is formed between the two support pieces 19 which are formed outwardly, and the hinge groove 22 is formed on the top of the operating piece 21 which is formed outwardly at one end of the fixing band 11. The hinge shaft 20 may be coupled to the hinge groove 22 so as to rotate freely.

At this time, since the separation prevention jaw 23 is formed at the inlet of the hinge groove 22, the hinge shaft 20 inserted into the hinge groove 22 is hinged by the force applied when the rotation band 12 is rotated. ) It does not break out.

Here, the inlet of the hinge groove 22 is formed smaller than the diameter of the hinge shaft 20 due to the release prevention jaw 23, but the hinge groove 22 because the clamp including the fixing member 15 is formed of synthetic resin having elasticity. When the force applied to the hinge shaft 20 when coupled to the hinge groove 22 is opened, the hinge shaft 20 is coupled to the hinge groove 22 while opening. Since the inlet of the hinge groove 22 is closed, the hinge shaft 20 is not easily separated from the hinge groove 22.

The fastening means 14 is for fastening after installing the fixing member 15, that is, the fixing band 11 and the rotating band 12 in the duct, and the lower fastening plate extending horizontally to the other end of the rotating band 12. The hook 25 is formed upward in the upper part, and the fastening hole 27 is formed in the upper fastening plate 26 extending horizontally at the other end of the fixing band 11 so as to penetrate upward and downward. ) And the fastening hole 27 can be easily coupled to the rotary band 12 and the fixed band 11 with little force.

In addition, the fastening means used independently or together with the fastening means 14 has a screw hole 28 is formed in the lower fastening plate 24 of the rotary band 12, corresponding to the upper fastening plate of the fixing band 11 Since the through hole 29 is formed in the 26, the rotating band 12 and the fixing band 11 may be fastened in a different manner by screwing through the through hole 29 and the screw hole 28.

In other words, the fastening means 14 including the hook 25 and the fastening hole 27 is a structure that is easy to separate coupling if necessary, the fastening means consisting of the through hole 29 and the screw hole 28 and screws are fixed The band 11 and the rotary band 12 is a structure that can be firmly fastened for a long time or permanently.

Of course, the two fastening means 14 mentioned above may be used selectively or simultaneously, respectively.

The fixing means 17 is for fixing the reinforcing bar arranged in a direction such as vertical or horizontal on a ceiling, a floor, a wall, etc., and two support plates 31 are vertically placed at a predetermined interval on one surface of the connecting plate 16. Has a structure in which the fitting groove 30 is formed to be fitted with rebar.

In particular, two support plates 31 on one surface of the connecting plate 16 are arranged in plural at regular intervals on the same line in which one rebar can be inserted at the same time, so that the reinforcing bars can be inserted into the fitting groove 30 with little force. It can also double the binding force between the fitting groove (30) and the rebar.

In addition, since the two support plates 31 on one surface of the connecting plate 16 are arranged in a plurality of adjacent to each other by varying the distance from the fixing band 11 so as to fit the reinforcing bars are fixed at different positions using a clamp It is possible to fix ducts and rebars with different separation distances.

The support plate 31 forming the fitting groove 30 also has a separation prevention jaw 32 formed on the inner surface, similar to the operating piece 21 forming the hinge groove 22 described above, so that the rebar inserted into the fitting groove 30 is provided. The fitting groove 30 is not separated out.

In addition, since the reinforcing rib 33 vertically installed on one surface of the connecting plate 16 is connected to the fixing band 11, the extension strength of the plate-shaped fixing band 11 and the connecting plate 16 may be reinforced. .

In other words, when fixing the duct and the reinforcement using a clamp, the fixing position of the duct and the reinforcement is not easily changed by the force applied from the outside.

4 is a cross-sectional view illustrating a construction process of fixing the clamps disclosed in FIGS. 1 to 3 to a duct and then horizontally fixing the rebar, FIG. 5 is an enlarged cross-sectional view taken along line AA of FIG. 4, and FIG. 7 is an enlarged cross-sectional view taken along line BB, and FIG. 7 is an enlarged cross-sectional view taken along line CC shown in FIG.

According to FIGS. 4 to 7, the operator places the fixing band 11 of the fixing member 15 on the duct 2 installed on the ceiling, the floor, the wall, or the like, and then centers the hinge shaft 20 of the rotating means 13. Rotating the rotary band 12 to engage the hook 25 of the fastening means 14 to the fastening hole 27 to abut the fixed band (11).

Afterwards, the worker couples the screws to the through holes 29 of the upper fastening plate 26 and the threaded holes 28 of the lower fastening plate 24, whereby the fixing band 11 and the rotating band 12 are firmly secured. It can also be fixed.

And the worker is inserted into the reinforcing bar 1 in the fitting groove 30 of the support member 18 to fix the rebar horizontally.

8 is a cross-sectional view showing a construction process of fixing the clamps disclosed in FIGS.

The construction process disclosed in FIG. 8 is the same as the construction process disclosed in FIG. In FIG. 4, the rebar 1 is horizontally fixed, but in FIG. 8, the rebar 1 is vertically fixed. That is, although not shown in the drawings, the operator can connect and fix the duct 2 and the reinforcing bar 1 to each other using a clamp in accordance with the installation direction of the duct 2 and the reinforcing bar 1.

1: rebar 2: duct
11: fixed band 12: rotating band
13 rotation means 14 fastening means
15: fixing member 16: connecting plate
17: fixing means 18: support member
19: support 20: hinge axis
21: operating piece 22: hinge groove
23: departure prevention jaw 24: lower fastening plate
25 hook 26 upper fastening plate
27: fastening hole 28: screw hole
29: through hole 30: fitting groove
31: support plate 32: release prevention jaw
33: reinforcing rib

Claims (11)

It is fixed to the duct while wrapping the duct to be installed on the ceiling, floor, wall for air conditioning, consisting of a fixing band 11 and a rotating band 12 divided into two vertically, the fixing band 11 and the An opposite end of the rotating band 12 is connected to the rotating material by the rotating means 13 and the other end of the fixing member 15 configured to be separated and coupled by the fastening means 14; And
The connecting plate 16 vertically extends to the outer circumferential surface of the fixing member 15, the fixing band 11, and can be fixed to one surface of the connecting plate 16 to be buried or fixed to the ceiling, floor, wall, etc. Support member 18 provided with fixing means 17
Duct clamps comprising a. The method of claim 1,
The fixing band (11) and the rotating band (12) is a duct clamp, characterized in that formed in a band shape formed in a circular shape. The method of claim 1,
The rotating means 13, the hinge shaft 20 is formed between the two support pieces 19 formed to be outwardly at one end of the rotary band 12, and is formed outwardly at one end of the fixing band (11) A hinge groove (22) is formed on the upper portion of the operating piece (21), the hinge shaft (20) is characterized in that the coupling coupled to the hinge groove (22) to rotate freely. The method of claim 3,
Duct clamp, characterized in that the inlet of the hinge groove (22) is provided with a separation preventing jaw (23) for preventing the separation of the hinge shaft (20) inserted into the hinge groove (22). The method of claim 1,
The fastening means 14, the hook 25 is formed on the upper portion of the lower fastening plate 24 extending horizontally to the other end of the rotary band 12, the horizontal end to the other end of the fixing band (11) A fastening hole 27 is formed to penetrate up and down in the extended upper fastening plate 26, and the rotary band 12 and the fixing band (b) are separated by the hook 25 and the fastening hole 27. 11) duct clamp, characterized in that fastening. The method of claim 5,
A screw hole 28 is formed in the lower fastening plate 24 of the rotating band 12, and a through hole 29 is formed in the upper fastening plate 26 of the fixing band 11 to form the through hole ( 29) and the duct clamp, characterized in that the rotary band 12 and the fixing band (11) is double fastened by screwing through the screw hole (28). The method of claim 1,
The fixing means 17 is characterized in that it consists of two support plates 31 vertically spaced at regular intervals to form a fitting groove 30 for fitting the reinforcing bar on one surface of the connecting plate 16 Duct clamp. The method of claim 7, wherein
The two support plates 31 are duct clamps, characterized in that arranged in a plurality at a predetermined interval on the same line to insert a single rebar at the same time. The method of claim 7, wherein
The two support plates 31 are duct clamps, characterized in that arranged in a plurality of adjacent to each other at different distances from the fixing band (11) to fit the reinforcing bars to be fixed at different positions. The method of claim 7, wherein
The inner surface of the support plate 31 is a duct clamp, characterized in that the separation prevention jaw (32) is formed to prevent the separation of the reinforcing bar fitted in the fitting groove (30). The method of claim 1,
A reinforcing lead 33 for reinforcing the extension strength of the fixing band 11 and the connecting plate 16 is vertically installed on one surface of the connecting plate 16 to be connected to the fixing band 11. Duct clamp.

Images