KR20160137816A

KR20160137816A - Gasket for smoke control damper and smoke control damper

Info

Publication number: KR20160137816A
Application number: KR1020150071594A
Authority: KR
Inventors: 박원중
Original assignee: (주)디.에스.인더스트리
Priority date: 2015-05-22
Filing date: 2015-05-22
Publication date: 2016-12-01
Also published as: KR101694620B1

Abstract

The present invention relates to a gasket for a smoke control damper and a smoke control damper having the same and, more specifically, relates to a gasket for a smoke control damper and a smoke control damper having the same, so as to block noise generated by contact with a gap between opening and closing wings composed of metal, the opening and closing wings, and a stopper when closing the damper, and so as to smoothly block flow of gas and smoke in case of fire by hermetically sealing the gap between the opening and closing wings and a gap between the stopper and the opening and closing wings.

Description

TECHNICAL FIELD [0001] The present invention relates to a gasket for a smoke damper and a smoke damper having the gasket,

The present invention relates to a gasket for a smoke damper and a smoke damper having the same, and more particularly, to a smoke damper for a smoke damper, which, when a damper is closed, shields noises generated by contact between the opening / closing vanes and the stopper, The present invention relates to a gasket for a smoke damper and a smoke damper provided with the gasket for smoothly sealing the gap between the stopper and the opening and closing wings to smoothly shut off the movement of gas and smoke when a fire occurs.

In general, a large-sized building or the like is provided with a duct which is an air blowing passage for air-conditioning the inside of the building, and a damper for adjusting or blocking the blowing amount is installed in such a duct.

Such dampers are divided into various types according to their shapes and materials, and in recent years, dampers having a purpose such as fire prevention and smoke prevention are mainly used.

Korean Patent Publication No. 10-1102928 discloses such a composite damper.

However, in the conventional damper, if the space between the opening and closing wings is not hermetically sealed when the damper is closed, there is a problem that the smoke can not be cut off due to fire or the like.

Korean Registered Patent No. 10-1102928 (Jan. 10, 2012)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a damper which is capable of shielding noise generated by contact between an opening / closing blade made of a metal and a stopper when the damper is closed, A gasket for a smoke damper for sealing a gap between a stopper and an opening / closing blade in a hermetic manner to smoothly shut off the movement of gas and smoke when a fire occurs, and a smoke damper having the gasket.

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a damper comprising: a plurality of opening / closing blades provided inside a damper to be opened front and rear, the center portion between both side ends being rotatably connected to upper and lower portions of the damper, Closing damper, which is provided in a smoke damper including first and second stoppers connected to both sides of the damper, the damper being in a state in which the plurality of opening / closing blades are opened by rotation, A coupling portion having upper and lower ends and both end portions and extending in the direction of the upper and lower ends and having one end of the opening and closing blade or an engagement groove engaged with the first stopper; And an airtight portion extending in one direction from the engaging portion, wherein the airtight portion is seated on the other rear side of the opening / closing blade or on the rear of the second stopper, And the gap between the first and second stoppers and the opening / closing blade located on the right side is airtight.

The joining portion according to the present invention includes: a pair of opposing joining bars having opposite ends; And a connection bar connecting one end of the pair of coupling plates.

The pair of coupling bars according to the present invention has a larger width from one end to the other end, and the airtight portion has upper and lower ends and both end portions, And the other end is integrally connected to the coupling bar located at the rear of the pair of coupling bars, and the airtight plate extends at a side of the coupling bar in a direction crossing the coupling bar.

The airtight plate according to the present invention may have a curved shape in which the other end portion is inclined to the right from a virtual vertical line located on the same line as the one end portion and protrudes rearward between the both end portions when viewed from above, And is pressed in contact with the opening / closing blade or the second stopper so that the other end is moved in the virtual vertical line direction.

The hermetic plate according to the present invention is characterized in that the other end is located forward of the connecting bar in the direction of the other end of the connecting bar and one end of the hermetic plate is located forward of the connecting bar in the direction of one end of the connecting bar .

There is provided a flameproof damper including a gasket for a flameproof damper according to the present invention.

The plurality of opening / closing wings according to the present invention are formed with first and second airtight protrusions projecting forward and rearward at both side ends of a closed state in the transverse direction by rotation, The first and second detents are formed on one side of the damper, and the first and second stopping protrusions are formed on one side of the damper, The gasket is composed of a plurality of gaskets and is connected to each of the opening and closing blades and the first stopper, and the engaging portion is connected to the second airtight protrusion and the first detent projection, And the bar is received in a recessed space formed in the protruding opposite direction of the first airtight projection and the second detent projection which are adjacent to each other.

According to the present invention, since the gasket is provided at one end of each of the opening and closing blades and the other of the pair of stoppers, noise generated due to the contact between the opening and closing blades and the stopper can be blocked As a matter of course, the gap between the opening and closing wings and between the stopper and the opening and closing wings is hermetically sealed, so that the movement of gas and smoke can be smoothly blocked when a fire occurs.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a gasket for a smoke damper according to the present invention.
2 and 3 are plan views showing a gasket for a smoke damper according to the present invention.
4 is a front view showing a smoke damper in a state where a gasket for a smoke damper according to the present invention is provided.
FIG. 5 is a plan view of a smoke damper in a gasket for a smoke damper according to the present invention.
6 is an exploded perspective view illustrating a state in which a gasket for a smoke damper according to the present invention is coupled to an opening / closing blade provided in a smoke damper.
FIG. 7 is a state diagram illustrating an operating state of an opening / closing blade in a smoke damper according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 7, a gasket 1 for a smoke damper according to the present invention is provided inside a damper 110 which is opened before and after the damper 110, , A plurality of opening / closing blades (120) rotatably connected to a lower portion of the damper (110), and first and second stoppers (130, 131) connected to both inner sides of the damper (110) Closing the damper 110 in a state in which the opening and closing vane 120 is opened by rotation, the gasket sealing between the opening and closing vanes 120 or between the stoppers 130, 131 and the opening and closing vane 120, A coupling part 10 having a lower end and both ends and extending in the direction of the upper and lower ends and having an engagement groove 11 formed at one end of the opening and closing blade 120 or one side of the stopper 130, And a hermetic portion 20 extending from the coupling portion 10 in one direction, The.

Generally, a large building or the like is provided with a duct as an air blowing passage for air conditioning in the inside of the building, and a duct damper for the fire or smoke is installed in the duct.

The damper 110 preferably has a square shape in which the damper 110 is opened before and after.

Here, the damper 100 may be opened before and after the damper 100, but it may be directed to both the front and rear directions as well as the left and right depending on the use place and the installation position.

Each of the plurality of open / close vanes 120 has upper, lower and both side ends, and a center portion between both side ends is rotatably fixed to the upper and lower portions of the damper 110.

The shape in which the opening / closing vane 120 is rotatably connected to the damper 110 is already known and used, so a detailed description thereof will be omitted.

The opening and closing vanes 120 may have first and second airtight protrusions 121 and 122 protruding from opposite ends thereof in opposite directions by bending.

For example, as shown in FIG. 7, the first airtight protrusion 121 has a shape of 'V' that protrudes forward when the opening / closing vanes 120 are closed in the lateral direction, The protrusions 122 are symmetrical about the opening / closing blade 120 in a '∧' shape protruding rearward.

The first and second gas tight protrusions 121 and 122 protrude forward or backward to form a recessed space in the protruding opposite direction.

5 or 7, the first airtight protrusion 121 is provided at one side of the smoke damper 100, that is, in the rightward direction And the second airtight protrusion 122 protrudes to the other side of the smoke damper 100, that is, to the left.

As shown in FIG. 4, the plurality of opening / closing blades 120 are disposed in both sides of the damper 110 and are closed in a lateral direction from the opened state in the longitudinal direction, The first and second airtight protrusions 121 and 122 are overlapped with each other in the front-rear direction between the adjacent opening and closing blades 120.

As shown in FIGS. 4 to 5, the smoke damper 100 includes an opening / closing unit 140 including an adjusting lever or a driving motor for opening / closing the plurality of opening / closing blades 120, So that the plurality of opening / closing blades 120 can be simultaneously opened and closed.

As shown in FIGS. 4 and 5, the first and second stoppers 130 and 131 extend upward and downward from the opening / closing vane 120, respectively, And one side thereof is adjacent to an opening / closing blade located on the left and right sides of the plurality of the opening / closing blades 120.

As shown in FIG. 7, when the opening / closing vanes 120 are tilted from the opened state to the open / close vanes located on the left and right sides of the plurality of the opening / closing vanes 120, And the gap between the opening / closing vane 120 and the damper 110 is sealed.

The open / close wings located on both sides of the plurality of open / close wings 120 can be understood as open / close wings adjacent to both sides of the damper 110.

It can be understood that the first stopper 130 is connected to the inner left side of the damper 110 and the second stopper 131 is connected to the inner side of the damper 110.

The first stopper 130 has a first detent protrusion 130a protruding rearward and a second detent protrusion 131a protruding forward on one side of the second stopper 131 have.

As shown in FIG. 5 or 7, the first and second detent protrusions 130a and 130b may have a shape of '∧' protruding backward or a shape of '∨' protruding forward, It is preferable that they have the same shape as the first and second contact portions 121 and 122.

The first and second detent protrusions 130a and 130b protrude rearward or forward to form a recessed space in the protruding opposite direction. The first and second stoppers 130 and 131 are disposed at the center of the damper 110 To-back symmetry.

As shown in Fig. 6, the gasket 1 for a smoke damper is made of rubber or silicone, and the gasket 1 for the smoke damper is formed of the second airtight protrusion 122 of each of the protruding vanes 120, And is coupled to the first detent projection 130a.

Accordingly, the gasket 1 for a smoke damper is prevented from being brought into contact with the opening / closing vanes 120 made of metal when the damper 110 is closed and between the opening / closing vane 120 and the first and second stoppers 130 and 131 Closing between the opening and closing blades 120 and between the first and second stoppers 130 and 131 and the plurality of opening and closing blades 120 is hermetically sealed so that the movement of the gas and the smoke So that it is blocked smoothly.

1 to 3, the coupling unit 10 includes a pair of opposing coupling bars 12 and a pair of coupling bars 12, And a connecting bar 13 for connecting the connecting bars 13 to each other.

As shown in FIGS. 2 to 3, the pair of coupling bars 12 preferably has a narrower width A from one end to the other end.

The coupling portion 10 is formed with the coupling groove 11 inwardly while the pair of coupling bars 12 and the coupling bar 13 are integrally connected.

As shown in FIG. 6, the second gas tight protrusions 122 of the plurality of opening / closing vanes 120 and the second gas tight protrusions 122 of the opening / closing vanes 120, as shown in FIG. 5 or FIG. 7, And is coupled to the first detent projection 130a.

As shown in FIG. 7, the coupling part 10 is connected to the second airtight protrusions 122 of the plurality of the opening / closing blades 120, and the plurality of opening / closing blades 120 are closed The connection bar 13 is accommodated in a recessed space formed in the protruding opposite direction of the first airtight protrusion 121 or the second detent protrusion 131a formed in the adjacent other opening and closing blades.

7, the connecting portion 10 may be connected to the first detent projection 130a and the connecting bar 13 may be connected to the first detent projection 130a, Closing wings 120 are accommodated in a recessed space formed in the protruding opposite direction of the first airtight protrusion 121 of the opening / closing blade located on the left side of the plurality of opening and closing blades 120.

1 to 3, the airtight portion 20 protrudes from one side of the engagement portion 10 toward the other side, and the airtight portion 20 protrudes from the rear side of the opening / closing blade 120 or the rear side of the second stopper 131 And a gas tight plate 21 which is seated in the rear.

The airtight plate 21 is received in the recessed space formed by the connection bar 13 in the direction opposite to the protruding direction of the first gas tight protrusion 121 or the second detent protrusion 131a, Tight sealing between the airtight protrusions 121 and 122 or between the first detent protrusion 130a and the first airtight protrusion 121 and between the second airtight protrusion 122 and the second detent protrusion 131a .

1, the airtight plate 21 has upper, lower and both side ends, the upper and lower ends of which extend in the upper and lower directions of the coupling portion 10, And one end portion of the coupling bar 10 is formed to extend in a direction intersecting with the coupling portion 10. [

3, the other end of the airtight plate 21 is positioned forward of the connecting bar 13 in the direction of the other end of the coupling bar 12, and one end of the airtight plate 21 is connected to the connecting bar 13 An upward inclined surface can be formed in the direction from one end to the other end while being positioned forward in the direction of one end of the engaging portion 12. [

It should be understood that the airtight plate 21 at this time is inclined to the right from the imaginary vertical line B located on the same line as the one end.

1 and 2, the airtight plate 21 may have a curved surface protruding rearward between both side ends thereof.

The gas tight plate 21 is pressed while being in contact with the corresponding opening / closing vane 120 or the second stopper 131 as the plurality of the opening / closing vanes 120 are closed, and the other end is positioned on the same vertical line as the one end And is moved in the direction of the virtual vertical line (B).

The airtight plate 21 is provided between the first and second airtight protrusions 121 and 122 and between the first detent protrusion 130a and the first airtight protrusion 121 and between the first airtight protrusion 130a and the second airtight protrusion 122, And the second detent projection 131a can be hermetically sealed.

That is, when the gasket 1 for a smoke damper is provided in each of the plurality of open / close vanes 120 as shown in FIG. 7, And the airtight plate 21 is seated on the second detent projection 131a or another opening and closing wing corresponding to the plurality of the opening and closing wings 120 in accordance with closing in the transverse direction.

The gasket 1 for a smoke damper can hermetically seal between the first and second gas tight protrusions 121 and 122 or between the second gas tight protrusion 122 and the second stopper 131. [

When the gasket 1 for a smoke damper is provided on the first stopper 130, the coupling portion 10 is coupled to the first detent projection 130a, Closing wings 120 are seated on the opening / closing wings located on the left side among the plurality of opening / closing wings 120 corresponding to the closing of the opening / closing wings 120 in the lateral direction.

Accordingly, the gasket (1) for a smoke damper can airtightly seal the first stopper (130) and the first airtight projection (121).

It is to be understood that the present invention is not limited to the above-described embodiment, but may be applied to other types of gaskets, such as a gasket for a flameproof damper, It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

1: Gasket for a smoke damper 10:
11: engaging groove 12: engaging bar
13: connecting bar 20: airtight portion
21: gas tight plate 100: smoke damper
110: damper 120: opening / closing blade
121: first gas tight protrusion 122: second gas tight protrusion
130: first stopper 130a: first stopping projection
131: second stopper 131a: second stop projection
140: opening / closing means

Claims

Closing wings provided inside the damper to be opened before and after the damper and having a central portion between both end portions rotatably connected to upper and lower portions of the damper and first and second stoppers connected to both inner side surfaces of the damper A gas damper provided in a smoke damper and hermetically sealing between the opening and closing blades or between the stopper and the opening and closing blades by blocking the damper in a state in which the plurality of opening and closing blades are opened by rotation,
An engaging portion having upper and lower ends and both end portions extending in the direction of the upper and lower ends and having one end of the opening and closing blade or an engaging groove engaged with the first stopper; And
And an airtight portion extending from the coupling portion in one direction,
The gas-
Closing wings and the first and second stoppers are seated between the opening and closing blades or between the opening and closing blades located on the left and right sides of the plurality of opening and closing blades while being seated on the other rear side of the opening and closing blades or behind the second stoppers Gaskets for smoke damper.

The method according to claim 1,
The coupling portion
A pair of opposing coupling bars having opposite ends; And
And a connection bar connecting one end of the pair of coupling plates to each other.

3. The method of claim 2,
The pair of coupling bars may include a pair of coupling bars,
The width of the gap becomes wider from the other end to the other end,
The gas-
And the other end is integrally connected to the joining bar located at the rear of the pair of joining bars, and the other end of the joining bar is integrally connected to the joining bar, And a gas tight plate extending in a direction intersecting the bar.

The method of claim 3,
The gas-
The other end is inclined to the right from a virtual vertical line located on the same line as the one end,
When viewed from the top, the side edges are curved or protruded backward, or are straight,
And the other end is pressed in contact with the opening / closing blade or the second stopper so that the other end is moved in the virtual vertical line direction.

5. The method of claim 4,
The gas-
And the other end is positioned forward of the connecting bar in the direction of the other end of the coupling bar and the one end is positioned forward of the connecting bar in the direction of one end of the coupling bar.

A smoke damper comprising the gasket for a smoke damper according to any one of claims 2 to 5.

The method according to claim 6,
Wherein the plurality of opening /
First and second airtight protrusions projecting forward and backward are formed at both side ends of the airtight container in the closed state in the transverse direction by rotation,
The first and second stoppers may include:
And the other end of the damper is connected to both sides of the damper. The first and second detents are formed on one side of the damper,
The gasket for a smoke damper,
And a second stopper connected to each of the opening / closing vanes and the first stopper,
The coupling portion
The connection bar is formed in the protruding opposite direction of the first hermetic protrusion and the second detent projection which are adjacent to each other as the plurality of open / close wings are closed from the state of being coupled to the second hermetic protrusion and the first detent projection And is received in a recessed space.