KR102022545B1 - Ventilating duct system - Google Patents

Abstract

The present invention relates to a ventilation duct system, which comprises: ventilation duct fixing tapes for coiling and fixing a ventilation duct in a belt type; and a tape clamping unit detachably coupled to the ventilation duct fixing tapes overlapping with each other in two layers, preventing the two-layer ventilation duct fixing tapes from being spaced or randomly separated from the ventilation duct.

Description

Ventilating duct system

The present invention relates to a ventilation duct system, and more particularly, it is not difficult to install the ventilation duct even if there are not many people, and installation or maintenance work may be much easier than before, thereby reducing the air. The ventilation duct system which can be made.

Buildings such as single-family homes, apartments or general buildings have numerous windows and doors. Therefore, by using a window, door, etc., the external discharge of the indoor air, that is, the ventilation action can be performed.

Natural ventilation using the windows and doors that can be easily opened and closed may be the easiest and most convenient way, but external strong wind can flow through the open windows or doors, and dust or foreign substances can also flow into the room together. It is a disadvantage in that it can be.

In particular, in recent years where fine dust and yellow dusts are frequent, it is advantageous to not open windows or doors, so a ventilation duct system for external ventilation of indoor air is required.

On the other hand, in buildings, materials such as cement and plastics, as well as interior and exterior materials, are exposed to various pollutants in the living space. In fact, the damage caused by contaminants continues to be reported.

As such, indoor air must be contaminated to remove dust from the air while maintaining the air temperature and humidity at a constant condition for a comfortable air environment. Ventilation is important for this purpose. However, as mentioned earlier, opening windows or doors is not enough.

Ventilation equipment that discharges polluted indoor air and removes harmful substances by introducing fresh external air is also called a heat exchanger. Ventilation ducts are connected to the heat exchanger for air conditioning and ventilation, but the air is conveyed to the pipe as shown in FIG. It is called (10).

As a result, the ventilation duct system recently applied to a building means a series of systems for improving the quality of indoor air by designing the ventilation duct 10 and constructing an appropriate amount of air flow, and is currently widely applied to buildings. to be.

In order to keep the indoor air comfortable by applying the ventilation duct system, the ventilation duct 10 should be well designed as described above, and the ventilation duct 10 should be installed in various places in various locations.

At this time, considering that the ventilation duct 10 is not only long but also several pieces are used, when the ventilation duct 10 is installed by simply applying a steel bracket as before, the work is not only cumbersome but efficient. Inevitably, there is a need for a new concept of ventilation duct system to solve this problem.

Korean Patent Office Application No. 10-2007-0047515 Korea Patent Office Application No. 10-2010-0013285 Korean Patent Office Application No. 10-2012-0095083 Korea Patent Office Application No. 20-2009-0012067

An object of the present invention is to provide a ventilation duct system that can not only have a difficulty in installing the ventilation duct even if there are not many people, but also make installation or maintenance work much easier than before, thereby shortening the air. .

The above object is a ventilation duct fixing tape for winding the ventilation duct in a belt manner; And a tape clamping unit detachably coupled to the two layers of the ventilation duct fixing tape, the tape clamping unit preventing the two layers of the ventilation duct fixing tape from being opened or separated from the ventilation duct. Achieved by a ventilation duct system.

The ventilation duct fixing tape may include: a roll tape body wound and formed in a roll shape; And a clamping seat formed by a hole penetrating the plate surface of the roll tape body, the clamping seat forming a seat in which the tape clamping unit is clamped, wherein the clamping seat includes: a first circular hole; And a second circular hole having a size smaller than that of the first circular hole, wherein the first circular hole and the second circular hole may be repeated along the length direction of the roll tape body.

The tape clamping unit may include: a unit plate having a hook hole formed therein and disposed on one side of the ventilation duct fixing tape overlapped in two layers; An end portion is formed to be bent to have a predetermined elasticity, and a leaf spring-type support portion disposed on the other side of the ventilation duct fixing tape overlapped in two layers; A hook part integrally formed with the leaf spring support part and hooked to a hook hole of the unit plate via a clamping seat of the ventilation duct fixing tape overlapping two layers; And a flexible connection part configured to flexibly connect the unit plate and the leaf spring support part.

The tape clamping unit includes a plate body, a seat groove formed in a groove shape in the plate body, and a hook hole formed in the plate body, and is disposed on one side of the tape for fixing the ventilation duct overlapped in two layers. Unit plate; An end portion is formed to be bent to have a predetermined elasticity, and a leaf spring-type support portion disposed on the other side of the ventilation duct fixing tape overlapped in two layers; A hook head having a sharp end portion, a hook shaft connecting the hook head and the leaf spring type support portion with an elastic pleat portion formed on the outside thereof, and formed on an outer surface of the hook head and closing when passing through the hook hole And the main elastic hook wing which is extended after passing through the hook hole and is disposed in the seat groove of the unit plate, and is inserted into the main elastic hook wing to provide rigidity to the main elastic hook wing. And a flexible reinforcement portion, and a sub-elastic hook wing, which is formed on the outer side of the main elastic hook wing, in a double portion, and through the clamping seat of the ventilation duct fixing tape, which is overlapped in two layers, in the hook hole of the unit plate. Hook portion fastened in a hook type; And a pair of straight sections and a pleated connection section that is pleatedly connected between the pair of straight sections, and may include a flexible connection that flexibly connects the unit plate and the leaf spring support. have.

On the other hand, the object is a ventilation duct fixing tape for winding the ventilation duct in a belt manner; And a tape clamping unit detachably coupled to the two layers of the ventilation duct fixing tape, the tape clamping unit preventing the two layers of the ventilation duct fixing tape from spreading or randomly being separated from the ventilation duct. The unit may include a unit plate having a hook hole formed therein and disposed on one side of the ventilation duct fixing tape, which is overlapped in two layers; An end portion is formed to be bent to have a predetermined elasticity, and a leaf spring-type support portion disposed on the other side of the ventilation duct fixing tape overlapped in two layers; A hook part integrally formed with the leaf spring support part and hooked to a hook hole of the unit plate via a clamping seat of the ventilation duct fixing tape overlapping two layers; And a flexible connection part configured to flexibly connect the unit plate and the leaf spring type support part, wherein the clamping seat comprises: an oval hole; And first to third circular holes disposed adjacent to the elliptical hole, the sizes of which gradually decrease as the distance from the elliptical hole increases, wherein the elliptical hole and the first to third circular holes are formed in the roll tape body. Repeated along the longitudinal direction of the roll tape body of the periphery of the oval hole is formed a cutting line of a predetermined length, but the end of the cutting line is formed of a non-cutting portion that does not allow further incision, the roll tape body is A body plate that can be flexibly flexibly manufactured to a predetermined thickness; A flexible reinforcing core material inserted into the body plate and formed of a flexible iron material; An adhesive part formed on one side of the body plate; And a synthetic leather skin formed on the other side of the body plate and formed of synthetic leather, wherein the synthetic leather skin consists of 63 to 82.5 wt% of the nitrocellulose lacquer composition and 18.2 to 34.8 wt% of the polyurethane composition. , The nitrocellulose lacquer composition, 18 to 34% by weight alkyd resin, 3 to 14% by weight of nitrocellulose, 2 to 11.5% by weight of butyl propionate, 22 to 45% by weight of ketone compound based on the total weight of the nitrocellulose lacquer composition , 53 to 65% by weight of ethyl acetate, the polyurethane composition, 13 to 18% by weight of the pigment, polyurethane emulsion 45 to 55% by weight, methyl ethyl ketone (MEK) 8 ~ to the total weight of the polyurethane composition 15 wt%, 3-5 wt% dimethylformamide (DMF), 3-7 wt% silicone, 3-7 wt% crosslinking agent, 3-6 wt% urethane bond and 2.5-7 wt% urethane foam foam (FOAM) resin To Is achieved by the ventilation duct system, characterized in that the box.

According to the present invention, even if there are not many people, there is no difficulty in installing the ventilation duct, and installation or maintenance work may be much easier than in the prior art, thereby reducing the air.

1 is an exemplary view of application of a ventilation duct system.
FIG. 2 is a structural diagram illustrating a main part of a ventilation duct system according to a first exemplary embodiment of the present invention applicable to FIG. 1.
3 is a front view of FIG. 2.
4 is a side view of the ventilation duct fixing tape.
FIG. 5 is an enlarged view of region A of FIG. 4 and is a plan view of the roll tape body. FIG.
6 is a side view of the tape clamping unit.
7 is a modified cross-sectional view of the tape clamping unit.
8 to 10 are step by step state of use of the tape clamping unit.
11 is a cross-sectional view of the tape clamping unit applicable to the ventilation duct system according to the second embodiment of the present invention.
12 is a cross-sectional view of the tape clamping unit applicable to the ventilation duct system according to the third embodiment of the present invention.
13 is a plan view of the roll tape body of the ventilation duct fixing tape applicable to the ventilation duct system according to the fourth embodiment of the present invention.
14 is a plan view of the roll tape body of the ventilation duct fixing tape applicable to the ventilation duct system according to the fifth embodiment of the present invention.
15 is a plan view of a roll tape body of the ventilation duct fixing tape applicable to the ventilation duct system according to the sixth embodiment of the present invention.
FIG. 16 is a schematic cross-sectional view taken along line BB of FIG. 15.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms.

In this specification, this embodiment is provided to make the disclosure of the present invention complete, and to fully convey the scope of the invention to those skilled in the art. And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

Like reference numerals refer to like elements throughout. And the terminology (discussed) used herein is for the purpose of describing the embodiments are not intended to limit the invention.

In the present specification, the singular also includes the plural unless specifically stated in the phrase. In addition, components and acts (acts) referred to as 'includes (or includes)' do not exclude the presence or addition of one or more other components and acts.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art.

Also, the terms defined in the commonly used dictionaries are not ideally or excessively interpreted unless they are defined.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

2 is a structural diagram of a main part of a ventilation duct system according to a first embodiment of the present invention applicable to FIG. 1, FIG. 3 is a front view of FIG. 2, FIG. 4 is a side view of a tape for fixing a ventilation duct, and FIG. 5 is FIG. 4. A plan view of the roll tape body as an enlarged view of region A of the present invention, FIG. 6 is a side view of the tape clamping unit, FIG. 7 is a modified cross-sectional view of the tape clamping unit, and FIGS. 8 to 10 are step-by-step use state diagrams of the tape clamping unit.

Referring to these drawings, the ventilation duct system according to the present embodiment may not only have a difficulty in installing the ventilation duct 10 even if there are not many people, and the installation or maintenance work may be much easier than before. In order to shorten this, it may include a ventilation duct fixing tape 110 and the tape clamping unit 140.

Ventilation duct fixing tape 110 is a tape for winding and fixing the ventilation duct 10 in a belt manner as shown in Figs.

The ventilation duct fixing tape 110 includes a roll tape body 120 and a clamping seat 130 formed on the roll tape body 120.

The roll tape body 120 is wound and formed in a roll shape as shown in FIG. 4. Since the roll tape body 120 is wound and formed in a roll shape, it is convenient to carry and handle, and furthermore, the ease of use can be greatly improved since the roll tape body 120 needs only to be loosened and then cut and used as needed.

Since the roll tape body 120 takes a dried state as shown in FIG. 4 and also needs to be wound and fixed by winding the ventilation duct 10 in a belt manner as shown in FIG. 2, the roll tape body 120 has a constant rigidity and is flexible. Can be applied as a material.

The clamping seat 130 is formed by a hole penetrating the plate surface of the roll tape body 120, and forms a seat where the tape clamping unit 140 is clamped.

In this embodiment, the clamping seat 130 includes a first circular hole 131 and a second circular hole 132 having a smaller size than the first circular hole 131. In this case, the first circular hole 131 and the second circular hole 132 may be repeated along the length direction of the roll tape body 120. One of the first circular hole 131 and the second circular hole 132 may be selected according to the size and type of the tape clamping unit 140.

Meanwhile, the tape clamping unit 140 is detachably coupled to the ventilation duct fixing tape 110 which is overlapped in two layers for fixing the ventilation duct 10, and the two layers of the ventilation duct fixing tape 110 are opened. It serves to prevent the separation or random separation in the ventilation duct (10). That is, since the ventilation duct fixing tape 110 is wound around the ventilation duct 10 in the form of a belt, the tape clamping unit 140 is used to maintain this state.

The tape clamping unit 140 may include a unit plate 150, a leaf spring support 160, a hook 170, and a flexible connector 180. The tape clamping unit 140 may be manufactured by injection of soft plastic, unlike the ventilation duct fixing tape 110.

The unit plate 150 is a portion disposed on one side of the ventilation duct fixing tape 110 overlapped in two layers. A hook hole 151 is inserted into the unit plate 150 to fix the hook portion 170.

The leaf spring type support part 160 is formed to bend the end portion 161 to have a predetermined elasticity, and is a part disposed on the other side of the ventilation duct fixing tape 110 which is overlapped in two layers.

When the hook portion 170 is inserted into the hook hole 151 and fixed to the hook hole 151 as shown in FIG. 9, the end portion 161 of the leaf spring support portion 160 is unfolded flat and fixed to the leaf spring support portion 160. It provides elastic force, for example, a force for pulling the hook portion 170, and the force is continuously provided to the hook portion 170, so that the hook portion 170 does not fall out of the hook hole 151 due to vibration or the like.

The hook portion 170 is formed integrally with the leaf spring support portion 160, and the unit plate 150 of the unit plate 150 via the clamping seat 130 of the ventilation duct fixing tape 110 overlapped in two layers as shown in FIG. Hook portion 151 is hooked to the part. After passing through the hook hole 151 while the elastic hook wing 171 of the hook portion 170 is raised, the hook portion 170 is not randomly removed from the hook hole 151 by being opened again.

The flexible connector 180 flexibly connects the unit plate 150 and the leaf spring type support 160. The flexible connection 180 is advantageous for clamping the ventilation duct fixing tape 110 without interfering with the peripheral device.

Hereinafter, the operation of the ventilation duct system will be described briefly.

First, the roll tape body 120 formed by being wound in a roll shape is loosened and cut as necessary.

Next, the ventilation duct 110 is wound in a belt shape with the cut roll tape body 120. Then, the roll tape body 120 is formed in two layers on the outside of the ventilation duct 110. In this case, the tape is a point at which the first and second circular holes 131 and 132 formed in the two-ply roll tape body 120 communicate with each other. The clamping unit 140 is inserted and clamped.

Then, two layers of the ventilation duct fixing tape 110 may be prevented from being separated or arbitrarily separated from the ventilation duct 10. In this state, the ventilation duct fixing tape 110 may be installed or suspended. .

According to the present embodiment having the structure and action as described above, even if there are not many people, there is no difficulty in installing the ventilation duct 10, and installation or maintenance work may be much easier than before, and thus, air It can shorten.

11 is a cross-sectional view of the tape clamping unit applicable to the ventilation duct system according to the second embodiment of the present invention.

Referring to this figure, the tape clamping unit 240 of the present embodiment is also for clamping the ventilation duct fixing tape 110 (see FIG. 2), the unit plate 250, the leaf spring type support 260, and the hook. The unit 270 may include a flexible connector 280. However, their detailed structure is different from the above-described embodiment.

The unit plate 250 is a unit plate 250 is a portion disposed on one side of the ventilation duct fixing tape 110 overlapped in two layers. The unit plate 250 is formed in the plate body 251, the groove 252 formed in the groove shape on the plate body 251, and formed on the plate body 251, the hook portion 270 is inserted and fixed The hook hole 251 is included.

The leaf spring type support part 260 is formed to bend the end 261 so as to have a predetermined elasticity, and is a portion disposed on the other side of the ventilation duct fixing tape 210 overlapped in two layers. The structure and function of the leaf spring support 260 is the same as the above-described embodiment.

The hook portion 270 is formed integrally with the leaf spring support 260, and for example, the unit plate 250 via the clamping seat 230 of the ventilation duct fixing tape 210 overlapped in two layers as shown in FIG. Hook portion of the hook 251 is hooked portion.

In the present embodiment, the hook portion 270 is connected to the hook head 271 and the hook head 271 and the leaf spring-type support portion 260 having a sharp end, and an elastic wrinkle portion 273 is formed on the outside thereof. It is formed on the hook shaft 272 and the outer surface of the hook head (271), it is retracted when passing through the hook hole 251 and expanded after passing through the hook hole (251), the end of the seat groove of the unit plate 250 The main elastic hook blade 274 disposed in the position 252 and the flexible rigidity provision part 275 which is inserted into the main elastic hook blade 274 and is provided to provide rigidity to the main elastic hook blade 274. And a sub-elastic hook wing 276 formed in a double side of the main elastic hook wing 274. The elastic wrinkle part 273 assists the hook part 270 to be assembled well in place as the hook part 270 is deformed.

The flexible connection part 280 flexibly connects the unit plate 250 and the leaf spring type support part 260. In the present exemplary embodiment, the flexible connection part 280 includes a pair of straight line sections 281 and a pleated connection section 282 that is pleatedly connected between the pair of straight line sections 281.

Even if the tape clamping unit 240 having the structure as described above is applied, even if there are not many people, it is not only difficult to install the ventilation duct 10 (see FIG. 2), but installation or maintenance work may be much easier than before. This can shorten the air.

12 is a cross-sectional view of the tape clamping unit applicable to the ventilation duct system according to the third embodiment of the present invention.

Referring to this figure, the tape clamping unit 340 of this embodiment is also for clamping the ventilation duct fixing tape 110 (see FIG. 2).

However, the tape clamping unit 340 of the present embodiment is manufactured with the unit plate 250 and the flexible connection part 280 removed in the second embodiment of FIG. 11.

In other words, the tape clamping unit 340 of the present embodiment includes a leaf spring support 360 and a hook 370.

The leaf spring support 360 is formed to bend the end 361 so as to have a predetermined elasticity, and is a portion disposed on the other side of the ventilation duct fixing tape 310 overlapped in two layers. The structure and function of the leaf spring support 360 is the same as in the above-described second embodiment.

The hook portion 370 is formed integrally with the leaf spring-type support portion 360, for example, the unit plate 350 via the clamping seat portion 330 of the ventilation duct fixing tape 310 overlapped in two layers as shown in FIG. Hook portion of the hook 351 is fastened to the part.

In the present embodiment, the hook portion 370 is connected to the hook head 371 and the hook head 371 and the leaf spring-type support portion 360 having sharp ends, and an elastic wrinkle portion 373 is formed on the outside thereof. It is formed on the hook shaft 372 and the outer surface of the hook head 371, but is retracted when passing through the hook hole 351 and expanded after passing through the hook hole 351, the end of the seat groove of the unit plate 350 The main elastic hook blade 374 disposed at the position 352 and the flexible rigidity provision part 375 which is inserted into the main elastic hook blade 374 and is provided to provide rigidity to the main elastic hook blade 374. And a sub-elastic hook wing 376 formed in a double side of the main elastic hook wing 374. The elastic wrinkle part 373 assists the hook part 370 to be assembled well in place while being deformed.

Even if the tape clamping unit 340 having the structure described above is applied, even if there are not many people, it is not difficult to install the ventilation duct 10 (see FIG. 2), and the installation or maintenance work may be much easier than before. This can shorten the air.

13 is a plan view of the roll tape body of the ventilation duct fixing tape applicable to the ventilation duct system according to the fourth embodiment of the present invention.

Referring to this drawing, the ventilation duct fixing tape 410 applied to the present embodiment may include a roll tape body 420 and a clamping seat 430 formed on the roll tape body 420.

The clamping seat 430 is disposed in the elliptical hole 431 and the elliptical hole 431, but the first to third circular holes 432 to 434 whose size gradually decreases as they move away from the elliptical hole 431. ). At this time, the elliptical hole 431 and the first to third circular holes 432 to 434 are repeated along the length direction of the roll tape body 420.

On the other hand, in the present embodiment, a perimeter line 411 of a predetermined length is formed in the peripheral roll tape body 420 of the elliptical hole 431, but the incision disallowed portion that does not allow any more incision at the end of the incision line 411 412 may be formed. The incision line 411 is a line shape, whereas the incision disallowed portion 412 is circular in shape so that the incision is not advanced in the incision disallowed portion 412 unless further force is applied to the incision.

When the clamping seat 430 is formed as in this embodiment, it is advantageous to apply a more various tape clamping unit (not shown), and there is an advantage that the roll tape body 420 can be easily cut as desired.

Even if the present embodiment is applied, even if there are not many people, it is not only difficult to install the ventilation duct 10 (see FIG. 2), but also the installation or maintenance work may be much easier than before, thereby reducing the air.

14 is a plan view of the roll tape body of the ventilation duct fixing tape applicable to the ventilation duct system according to the fifth embodiment of the present invention.

Referring to this drawing, the ventilation duct fixing tape 510 applied to this embodiment also has a clamping seat formed on the roll tape body 420 and the roll tape body 420, similarly to the fourth embodiment of FIG. It may include a portion 430. Since these structures are the same as those of the fourth embodiment of FIG. 13, redundant description is omitted.

On the other hand, in the present embodiment, a cut notch 511 is formed in place of the cut line 411 of the above-described embodiment. The notch 511 for cutting also serves to cut the roll tape body 420 as easily as desired.

Even if the present embodiment is applied, even if there are not many people, it is not only difficult to install the ventilation duct 10 (see FIG. 2), but also the installation or maintenance work may be much easier than before, thereby reducing the air.

FIG. 15 is a plan view of a roll tape body of a ventilation duct fixing tape applicable to a ventilation duct system according to a sixth embodiment of the present invention, and FIG. 16 is a schematic cross-sectional view taken along line B-B of FIG. 15.

Referring to this drawing, the ventilation duct fixing tape 610 applied to the present embodiment also has a clamping seat formed on the roll tape body 620 and the roll tape body 620 as in the fourth embodiment of FIG. 13. It may include a portion 430. Since these structures are the same as those of the fourth embodiment of FIG. 13, redundant description is omitted.

On the other hand, in the present embodiment, the roll tape body 620 is made of a predetermined thickness but flexible to bend the body plate 621 and the insert (insert) inserted into the body plate 621 is formed of a flexible iron material Flexible reinforcing core 622, the adhesive portion 623 formed on one side of the body plate 621, and the synthetic leather outer skin portion 624 formed on the other side of the body plate 621, but formed of synthetic leather do.

The body plate 621 forms a central core of the roll tape body 620, and the flexible reinforcing core 622 reinforces the body plate 621. In addition, when the roll tape body 620 is disposed in two layers, the adhesive part 623 may be temporarily adhered to allow the tape clamping unit 140 to be well coupled and clamped.

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Even if the present embodiment is applied, even if there are not many people, it is not only difficult to install the ventilation duct 10 (see FIG. 2), but also the installation or maintenance work may be much easier than before, thereby reducing the air.

As described above, the present invention is not limited to the described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention, which will be apparent to those skilled in the art. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

110: ventilation duct fixing tape 120: roll tape body
130: clamping seat 131: first circular hole
132: second circular hole 140: tape clamping unit
150: unit plate 151: hook hole
160: leaf spring support portion 170: hook portion
180: flexible connection

Claims (5)

Ventilation duct fixing tape for winding the ventilation duct in a belt manner; And
A tape clamping unit detachably coupled to two layers of the ventilation duct fixing tape, the tape clamping unit preventing the two layers of the ventilation duct fixing tape from spreading or randomly detaching from the ventilation duct,
The ventilation duct fixing tape,
A roll tape body wound and formed in a roll shape; And
A clamping seat formed by a hole penetrating the plate surface of the roll tape body, the clamping seat forming a seat where the tape clamping unit is clamped,
The clamping seat is
A first circular hole; And
A second circular hole having a smaller size than the first circular hole,
The first circular hole and the second circular hole are repeated along the length direction of the roll tape body,
The tape clamping unit,
A unit plate having a plate body, a seat groove portion formed in a groove shape in the plate body, and a hook hole formed in the plate body, and disposed on one side of the ventilation duct fixing tape overlapped in two layers;
An end portion is formed to be bent to have a predetermined elasticity, and a leaf spring-type support portion disposed on the other side of the ventilation duct fixing tape overlapped in two layers;
A hook head having a sharp end portion, a hook shaft connecting the hook head and the leaf spring type support portion with an elastic pleat portion formed therein, and formed on an outer surface of the hook head, And the main elastic hook wing which is extended after passing through the hook hole and is disposed in the seat groove of the unit plate, and is inserted into the main elastic hook wing to provide rigidity to the main elastic hook wing. And a flexible reinforcement portion, and a sub-elastic hook wing, which is formed on the outer side of the main elastic hook wing, in a double portion, and through the clamping seat of the ventilation duct fixing tape, which is overlapped in two layers, in the hook hole of the unit plate. Hook portion fastened in a hook type; And
And a pair of straight section portions and a corrugated connection section that is pleatedly connected between the pair of straight section portions, and includes a flexible connection portion for flexibly connecting the unit plate and the leaf spring type support portion. Ventilation duct system.
delete delete delete Ventilation duct fixing tape for winding the ventilation duct in a belt manner; And
A tape clamping unit detachably coupled to two layers of the ventilation duct fixing tape, the tape clamping unit preventing the two layers of the ventilation duct fixing tape from spreading or randomly detaching from the ventilation duct,
The ventilation duct fixing tape,
A roll tape body wound and formed in a roll shape; And
A clamping seat formed by a hole penetrating the plate surface of the roll tape body, the clamping seat forming a seat where the tape clamping unit is clamped,
The tape clamping unit,
A unit plate having a plate body, a seat groove portion formed in a groove shape in the plate body, and a hook hole formed in the plate body, and disposed on one side of the ventilation duct fixing tape overlapped in two layers;
An end portion is formed to be bent to have a predetermined elasticity, and a leaf spring-type support portion disposed on the other side of the ventilation duct fixing tape overlapped in two layers;
A hook head having a sharp end portion, a hook shaft connecting the hook head and the leaf spring type support portion with an elastic pleat portion formed therein, and formed on an outer surface of the hook head, And the main elastic hook wing which is extended after passing through the hook hole and is disposed in the seat groove of the unit plate, and is inserted into the main elastic hook wing to provide rigidity to the main elastic hook wing. And a flexible reinforcement portion, and a sub-elastic hook wing, which is formed on the outer side of the main elastic hook wing, in a double portion, and through the clamping seat of the ventilation duct fixing tape, which is overlapped in two layers, in the hook hole of the unit plate. Hook portion fastened in a hook type; And
A pair of straight section portions and a pleated connection section pleatly connected between the pair of straight section portions, and a flexible connection portion for flexibly connecting the unit plate and the leaf spring type support portion,
The clamping seat is
Oval hole; And
Is disposed adjacent to the elliptical hole but includes a first to third circular hole that is gradually smaller in size as the distance away from the elliptical hole,
The elliptical hole and the first to third circular holes are repeated along the longitudinal direction of the roll tape body,
A cut line of a predetermined length is formed in the roll tape body around the elliptical hole, but an incision part that does not allow further incision is formed at an end of the cut line.
The roll tape body,
A body plate made of a predetermined thickness but capable of flexible bending;
A flexible reinforcing core material inserted into the body plate and formed of a flexible iron material;
An adhesive part formed on one side of the body plate; And
Ventilation duct system, characterized in that formed on the other side of the body plate comprises a synthetic leather outer skin formed of synthetic leather.

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