KR101663127B1 - Noise reduction-type damper - Google Patents

Noise reduction-type damper Download PDF

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Publication number
KR101663127B1
KR101663127B1 KR1020150143760A KR20150143760A KR101663127B1 KR 101663127 B1 KR101663127 B1 KR 101663127B1 KR 1020150143760 A KR1020150143760 A KR 1020150143760A KR 20150143760 A KR20150143760 A KR 20150143760A KR 101663127 B1 KR101663127 B1 KR 101663127B1
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KR
South Korea
Prior art keywords
opening
fixing
closing
hole
shaft
Prior art date
Application number
KR1020150143760A
Other languages
Korean (ko)
Inventor
노성근
Original Assignee
주식회사 그린에어텍
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Priority to KR1020150143760A priority Critical patent/KR101663127B1/en
Application granted granted Critical
Publication of KR101663127B1 publication Critical patent/KR101663127B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The present invention relates to a noise reduction type damper comprising: a main body housing (100), wherein a vent hole (110) is internally formed to move air, and shaft insertion holes (120, 120) are formed on both sides, respectively; at least one rotary shaft (200) whose front end and rear end are inserted into the shaft insertion holes (120, 120) to be able to rotate, wherein a first fixing groove (210) is formed on a front surface to be recessed in a longitudinal direction; at least one plate-shaped opening and closing blade part (300) coupled to each rotary shaft (200), wherein a first mounting groove (310) is formed to mount the front surface of the rotary shaft (200) on a rear surface to be recessed, and a fixing protrusion (320) is formed on an internal side of the first mounting groove (310) to be inserted into the first fixing groove (210) to be protrusive; and one or more fixing guide members (400) coupled to the rear surface of the opening and closing blade part (300), wherein a second mounting groove (410) is formed to cover a rear surface of the rotary shaft (200) to be recessed in a state that the rotary shaft is mounted on the first mounting groove (310).

Description

Noise reduction-type damper

The present invention relates to a noise reducing damper, which comprises: a main body housing (100) in which a ventilation hole (110) for moving air is formed on an inner side and shaft insertion holes (120, 120 ' A rotary shaft 200 having a front end and a distal end rotatably inserted into the shaft insertion holes 120 and 120 'and a first fixing groove 220 formed in the rear surface thereof in a longitudinal direction, An opening and closing wing 300 formed in a plate shape and coupled to each of the rotation shafts 200 and having a first seating groove 310 formed in a rear surface thereof so that the front surface of the rotation shaft 200 is seated, Closing wings 300 so that the rotation shaft 200 is inserted into the first fixing groove 220 while the rotary shaft 200 is seated in the first mounting groove 310, And a fixing guide member (400) in which the engaging projection (411) is protruded. (1) according to the present invention.

In general, a plurality of long and thin flat plates are installed horizontally, vertically, or in a lattice shape on the front surface of an opening to prevent sunlight or rain, and a material installed for ventilation or ventilation is called a duct.

Such a duct is divided into a fixed type duct in which a light shielding plate made of a flat plate is fixed at a predetermined angle and a movable duct in which a light shielding plate is rotated by a mechanical operation to open and close the opening.

Meanwhile, ducts are used in a variety of fields such as automobiles, airplanes, refrigerators, air conditioners, and buildings, depending on the purpose of use. In particular, ducts installed for ventilation or ventilation inside buildings such as factories and public facilities use solar heat A function of automatically opening / closing the shading plate by using a motor, and a function of controlling the amount of ventilation through the sensor are manufactured by combining various configurations with improved convenience to provide a pleasant environment.

Among these various ducts, the "automatic louver opening / closing device for architectural use" (Korean Utility Model Registration No. 20-0390377) of Patent Literature 1 has a rectangular frame shape, A louver having a V-shaped bent portion formed on a rear surface of the housing and having a front surface curved at a predetermined curvature and coupled to the driving shaft so as to be transversely crossed in the longitudinal direction and having both ends protruded sideways; A rack gear having teeth formed on its upper surface, and a transmission gear provided on one side of the housing by the bracket and meshing with the rack gear to be rotated by the electric motor The louvers are automatically opened and closed according to the air pollution degree and the temperature in the building, It has the advantage of being able to automatically ventilate in chemical process, oil store, restaurants and so on.

However, in the "automatic louver opening / closing apparatus for construction use" of Patent Document 1, when the driving shaft is coupled to the bent portion formed on the louver, when the louver is operated for opening or closing the louver, The coupling between the bent portion of the louver and the driving shaft is loosened due to repetitive operation, noise may be generated due to friction, and when the louver is used for a long period of time, the driving shaft is disengaged from the bending portion of the louver to cause a mechanical failure .

Patent Document 1: Korean Utility Model Registration No. 20-0390377

SUMMARY OF THE INVENTION The present invention has been made in an effort to solve the problems described above, and it is an object of the present invention to provide a rotary shaft having a first fixing groove recessed in a longitudinal direction thereof, And a fixing guide member for engaging with the rotary shaft and the opening / closing blade is formed by engaging with the rear surface of the opening / closing blade, so that the engagement between the fixing projections and the first fixing groove So that noise is not generated between the rotary shaft and the opening / closing wing part even when the opening / closing wing part is operated repeatedly, thereby enabling a quiet environment.

In order to solve the above problems, the noise reduction damper according to the present invention includes a ventilation hole 110 through which air is moved inside, a body housing 120 having shaft insertion holes 120 and 120 'formed on both sides thereof, (100); and at least one of the first and second fixing grooves (220) is formed on the rear surface of the shaft insertion hole (120, 120 '), the front end and the distal end of which are rotatably inserted into the shaft insertion hole A first seating groove 310 formed in at least one plate shape and coupled to each of the rotation shafts 200 and having a rear seating surface formed with a first seating groove 310, And a wing unit 300 coupled to a rear surface of each of the opening and closing wings 300 so that the rotary shaft 200 is seated in the first seating groove 310, The fixing protrusion 411 is inserted into the fixing groove 220, (400).

A second fixing groove 210 is formed in a longitudinal direction on the front surface of each of the rotary shafts 200 so that the first fixing groove 310 is inserted into the second fixing groove 210. And the fixing protrusion 320 is protruded.

One or more coupling holes 330 may be formed in the rear surface of each of the opening and closing wings 300 and protrude from the front surface of each of the fixed guide members 400 to be inserted into the coupling holes 330 And a bolt insertion hole 421 is formed in the center of the coupling protrusion 420 so that the bolt B is inserted.

One or more coupling holes 330 are formed in the rear surface of each of the opening and closing wings 300 and the fixing guide member 400 is formed on the front surface of each of the opening and closing wings 300, (Not shown) is formed on the inner side of the coupling piece 330 so as to fix the linear piece V inserted through the coupling hole 330 in a state of being coupled to the coupling piece 300. [ .

A rotary link 340 is formed on a front surface of each of the opening and closing wings 300 and is rotatably connected to each of the rotary links 340. As the rotary shaft 200 rotates, The vertical connection bar 350 is formed so that the wing portion 300 is simultaneously opened and closed

A handle shaft 230 is extended from one end of the rotary shaft 200 and is formed at one side of the main body housing 100. A passage hole 131 is formed at one side of the passage hole 131, And a handle member 500 is formed at the distal end of the handle shaft 230. The guide shaft 130 is formed with a guide channel 130,

A guide protrusion 501 is formed on the other side of the pull member 500 so as to be inserted into the movement guide groove 132. The end of the guide protrusion 501 is formed with a thread A nut member (not shown) coupled to the thread (not shown) is formed in a state where the guide projection 501 is inserted into the movement guide groove 132.

The handle 500 includes a first insertion hole 511 through which the distal end of the handle shaft 230 is inserted and fixed and a first insertion hole 512 through which a long hole is formed, A second gripper 520 hinged to the first gripper 510 and having an insertion protrusion 521 protruding through the insertion protrusion hole 512, The elastic member 530 is provided between the first gripping portion 510 and the second gripping portion 510 so that the insertion of the first gripping portion 510 and the second gripping portion 520, And the protrusion 521 is configured to pass through the insertion projection passage hole 512 or to be detached from the insertion projection passage hole 512. In the movement guide groove 132, In the process of opening and closing the wing part 300, the insertion protrusion 521 is inserted and fixed so that the opening and closing wing part 300 selectively maintains a predetermined angle, That is characterized in that the angle of the retaining groove (132a) to form a plurality of perforated.

As described above, according to the present invention, the first fixing groove is recessed in the longitudinal direction on the front surface of the rotary shaft serving as the rotary shaft, and the first fixing portion of the rotary shaft is fixed to the rear surface of the opening / The fixing projections that are fitted in the grooves are formed to protrude from the opening and closing vanes and are coupled to the rear surface of the opening and closing vanes to form a fixing guide member for coupling the rotating shaft and the opening and closing vanes, There is an advantage that noise is not generated between the rotary shaft and the opening and closing blade, thereby providing a quiet environment.

1 is a perspective view showing a state in which the opening and closing wings are closed in the structure of the noise reducing damper according to the preferred embodiment of the present invention;
2 is a perspective view showing a state in which the opening and closing wings are opened in the structure of the noise reducing damper according to the preferred embodiment of the present invention.
3 is an exploded perspective view showing a decomposed state of a noise reducing damper according to a preferred embodiment of the present invention.
FIG. 4 is a front view and a side view showing a state in which the opening and closing wings are closed in the structure of the noise reducing damper according to the preferred embodiment of the present invention
5 is a front view and a side view showing a state in which the opening / closing wing portion is opened in the structure of the noise reducing damper according to the preferred embodiment of the present invention
6 is a cross-sectional view showing the state of the section AA in Fig. 4
FIG. 7 is a cross-sectional view showing the first and second fixing grooves, fixing protrusions, and coupling protrusions of the noise reducing damper according to another preferred embodiment of the present invention
8 is a cross-sectional view showing a configuration of a direct coupling piece fixing part of the noise reducing damper according to another preferred embodiment of the present invention
9 is a perspective view showing a noise reducing damper according to another preferred embodiment of the present invention.
10 is a perspective view showing a structure of a knob member of a noise reduction damper according to another preferred embodiment of the present invention.

Hereinafter, a noise reducing damper 1 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

1 or 3, the noise reducing damper 1 according to an embodiment of the present invention includes a main body housing 100, a rotating shaft 200, an opening / closing wing 300, a fixed guide member 400, and a pull member 500.

Prior to the description, it should be noted that the portion shown on the front side of FIG. 4A is set as the rear surface, the opposite surface on the rear surface is set as the front surface, the left side is set as the tip or one side, and the right side is set as the terminal or the other side.

First, the main body housing 100 will be described. As shown in FIG. 1, FIG. 2 and FIG. 3, the main body housing 100 is a rectangular frame provided for ventilation of a building or the like, and is formed with a ventilation hole 110 through which air is moved inside.

It is preferable that a plurality of shaft insertion holes 120 and 120` are formed on both sides of the main body housing 100 such that a rotary shaft 200 to be described later is rotatably installed inside the ventilation hole 100. [

In the present invention, a guide channel 130 is formed on one side of the main body housing 100, and the guide channel 130 is connected to the rotation shaft 200, And includes a through hole 131 and a movement guide groove 132. The guide hole 132 is formed in the center of the through hole 131,

The through hole 131 is a component formed in a circular shape on one side of the guide channel 130. The handle shaft 230, which will be described later, extended to one of the rotation shafts 200 is passed, The connection between the rotation shaft 200 positioned inside the guide channel 130 and the connection of the pull member 500 located outside the guide channel 130 is connected to the insertion hole 511 of the pull member 500, .

4 or 5, the movement guide groove 132 is formed as a curved surface on one side of the guide channel 130. The guide guide groove 132 of the guide guide groove 132, When the opening and closing wings 300 to be described later coupled with the rotary shaft 200 are opened and closed through the rotational movement of the knob member 500 connected to the rotary shaft 200, Moves along the movement guide groove 132 formed with the same curvature as the rotational curvature of the pull member 500, thereby making it possible for the pull member 500 to accurately move forward and backward.

In another embodiment of the movement guide groove 132, as shown in FIG. 9, an angle holding groove 132a arranged at the same curvature as the rotational curvature of the pull member 500 is formed The angle holding groove 132a rotates the knob member 500 to open and close the opening and closing wings 300. The insertion protrusions 521 to be described later are inserted and fixed so that the opening and closing wings 300 Selectively opening and closing the opening and closing wings 300 by preventing the opening / closing wings 300 from being further opened or closed, thereby enabling the user to move the desired amount of air.

Next, the rotating shaft 200 will be described. As shown in FIG. 1, FIG. 2 and FIG. 3, the rotation shaft 200 is provided with at least one or more rotatable shaft ends 120 and 120 ' Closing wing portion 300 in accordance with the rotational movement of the pull-tab 500 connected to the shaft 200. As shown in Fig.

In the present invention, a first fixing groove 220 is recessed in the longitudinal direction on the rear surface of the rotary shaft 200. The first fixing groove 220 is formed in the rotary shaft 200, The rotation shaft 200 and the opening and closing wings 300 are coupled to each other by engaging with a fixing protrusion 320 which will be described later and protruded from the opening and closing wings 300 in the process of coupling the opening and closing wings 300, ) Can be combined in an integrated manner.

In another embodiment of the present invention, as shown in FIG. 7, a second fixing groove 210 may be further recessed in the longitudinal direction on the front surface of the rotating shaft 200.

At this time, in the second fixing groove 210, the rotation shaft 200 is seated in the first seating groove 310 of the opening / closing wing 300 described later, and in the inside of the first seating groove 310, The fixing protrusion 320 is protruded to be fitted into the second fixing groove 210 so that the front and rear surfaces of the rotating shaft 200 are separated from the opening and closing wings 300 and the fixing guide member 400 So that it is possible to further reduce generation of noise due to connection failure when the opening / closing wing part 300 is opened and closed due to tight coupling between the components.

A handle shaft 230 in the form of a rod is extended from the tip of one of the rotary shafts 200. The handle shaft 230 passes through the through hole 131, And is inserted and fixed in the insertion fixing hole 511, thereby enabling the integral coupling of the rotary shaft 200 and the pull member 500.

Next, the opening / closing wing section 300 will be described. As shown in FIGS. 1, 2 and 3, the opening / closing blade unit 300 is formed in a plate shape and includes at least one opening / closing blade unit 300, which is a component for opening / closing the ventilation hole 110, A fixing protrusion 320, an engaging hole 330, a rotating link 340, and a vertical connecting bar 350.

The first seating groove 310 is a component that is recessed in a semicircular shape on the rear surface of the opening and closing wing part 300 and the front surface of the rotating shaft 200 is seated and fixed. The front end of the rotary shaft 200 is accurately aligned with the first seating groove 310 so that the rotary shaft 200 and the opening and closing wings 300 Close to the union of all forms.

The fixing protrusion 320 is inserted into the first fixing groove 220 in a state where the rotating shaft 200 and the opening and closing wings 300 are engaged with each other to rotate the rotating shaft 200 and the opening and closing wings 300 And is protruded from the inside of the first seating groove 310 so as to be coupled in a fitting manner.

As shown in FIG. 6, the coupling hole 330 is a component having at least one hole formed in the rear surface of the opening / closing wing part 300. The opening / closing wing part 300 and a fixing guide member 400 The coupling protrusions 420 of the fixed guide member 400 to be described later are inserted so that the coupling between the opening and closing wings 300 and the failure guide member 400 can be improved.

8, the front side of the opening / closing wing part 300 is directly coupled to the opening / closing wing part 300 through the coupling hole 330 while the fixing guide member 400 is coupled to the opening / closing wing part 300, It is possible to constitute a direct coupling piece fixing portion 331 in which a female thread (not shown) is formed inside thereof so that the piece V is fixed.

The rotary link 340 is hinged to a vertical connection bar 350 which will be described later and provided on the front surface of each of the opening and closing wings 300 so that the knob member 500 can be opened and closed at the same time as the remaining opening / closing wing parts 300 are rotated.

Next, the fixed guide member 400 will be described. As shown in FIGS. 1, 2, and 3, the fixing guide member 400 may include at least one fixed guide member 400, and the rotating shaft 200 may be mounted on the first seating groove 310 of the opening / And includes a coupling protrusion 411 and a coupling protrusion 420. The coupling protrusion 411 and the coupling protrusion 420 are formed on the rear surface of the rotary shaft 200,

The engaging projection 411 is fitted in the second fixing groove 210 of the rotating shaft 200 in the process of engaging the rear surface of the rotating shaft 200 and the fixing guide member 400, Thereby making it possible to tightly couple the opening and closing wings 200 and 300 to each other.

The coupling protrusion 420 protrudes from the front surface of the fixing guide member 400 and is inserted into the coupling hole 330 in the process of coupling the opening and closing wing 300 to the fixing guide member 400. [ Thereby making it possible to tightly couple the opening / closing wings 300 and the fixing guide member 400 to each other.

A bolt insertion hole 421 is formed at the center of the coupling protrusion 420 so that the coupling protrusion 420 is inserted through the coupling protrusion 420 in a state where the coupling protrusion 420 is inserted into the coupling hole 300. [ It is possible to bolt-join using bolts B and nuts.

Next, the pull-tab 500 will be described. As shown in FIG. 1, FIG. 7 and FIG. 8, the handle 500 is a component connected to the handle shaft 230 to operate the opening / closing wing 300, And a guide projection 501 is formed on the other side so as to be inserted into the movement guide groove 132.

A nut member (not shown) is coupled to the threaded portion (not shown) in a state where the guide protrusion 501 is inserted into the movement guide groove 132, (Not shown) is formed.

With such a configuration, the nut member (not shown) is tightened to a predetermined or greater value so that the knob member 500 can be rotated in a stiff state without being easily rotated, so that the knob member 500 is rotated The opening / closing wings 300 can be held at the same position as the final moved position of the knob member 500 while maintaining the final moved position.

In another embodiment of the handle 500, an insertion fixing hole 511 through which the tip of the handle shaft 230 is inserted and fixed and an insertion projection hole 512 with an elongated hole shape, A second grip portion 520 hinged to the first grip portion 510 and formed with an insertion protrusion 521 protruding through the insertion protrusion hole 512, And an elastic member 530 provided between the first gripper 510 and the second gripper 510.

The insertion protrusions 521 may pass through the insertion protrusion holes 512 or may be inserted into the insertion protrusion holes 512 depending on whether the first and second grippers 510 and 520 are pressed. So that it is possible to fix the opening / closing wing 300 at a desired angle.

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Noise reduction type damper
100: main body housing 110: ventilation hole
120, 120`: shaft insertion hole 130: guide channel
131: passing hole 132: moving guide groove
132a: Angle holding groove
200: rotating shaft 210: second fixing groove
220: first fixing groove 230: handle shaft
300: opening / closing wing part 310: first seat groove
320: fixing protrusion 330: engaging hole
331: Direct coupling piece fixing portion
340: rotating link 350: vertical connecting bar
400: fixed guide member 410: second seating groove
411: coupling projection 420: coupling projection
421: Bolt insertion hole
500: pull member 501: guide projection
510: first grip portion 511:
512: insertion projection passage hole 520: second grip section
521: insertion protrusion 530: elastic member
B: Bolt N: Nut
V: Direct piece

Claims (8)

A main body housing 100 formed with ventilation holes 110 through which air moves, and shaft insertion holes 120 and 120 'formed on both sides thereof;
A rotary shaft 200 having at least one end formed with a tip end and a distal end rotatably inserted into the shaft insertion holes 120 and 120 ', and a first fixing groove 220 being recessed in the longitudinal direction;
An opening / closing wing 300 formed in one or more plate shapes and coupled to each of the rotation shafts 200, and having a first seating groove 310 formed therein so that a front surface of the rotating shaft 200 is seated;
Closing wings 300 so that the rotation shaft 200 is inserted into the first fixing groove 220 while the rotary shaft 200 is seated in the first mounting groove 310, And a fixing guide member (400) having an engaging projection (411) protruded therefrom.
The method according to claim 1,
A second fixing groove 210 is recessed in a longitudinal direction on the front surface of each of the rotary shafts 200,
Wherein a fixing protrusion (320) is formed on the inner side of the first seating groove (310) so as to be fitted into the second fixing groove (210).
The method according to claim 1,
At least one coupling hole (330) is formed in the rear surface of each of the opening / closing wings (300)
And a bolt insertion hole 421 is formed in the front of each fixing guide member 400 so as to be inserted into the coupling hole 330 and a bolt B is inserted into the center of the fixing guide member 400, (1). ≪ RTI ID = 0.0 > 1 < / RTI >
The method according to claim 1,
At least one coupling hole (330) is formed in the rear surface of each of the opening / closing wings (300)
The opening guide vane 300 may be fixed to the front surface of the opening and closing vane 300 such that the direct guide piece V inserted through the coupling hole 330 is fixed in a state where the fixing guide member 400 is coupled to the opening / And a direct coupling piece fixing part (331) having a female thread (not shown) formed on the inner side thereof.
The method according to any one of claims 2 to 4,
A rotary link 340 is formed on a front surface of each of the opening / closing wings 300,
And a vertical connection bar (350) is formed so that each of the opening and closing wings (300) can be simultaneously opened and closed as the rotary shaft (200) is rotatably connected to each of the rotary links (340) Reduced damper (1).
The method according to claim 5,
A handle shaft 230 is extended from one end of the rotating shaft 200,
A guide channel 130 is formed at one side of the main body housing 100 and has a through hole 131 and a curved moving guide groove 132 formed at one side thereof,
And a knob member (500) is formed at the tip of the handle shaft (230).
The method according to claim 6,
A guide protrusion 501 is formed on the other side of the pull member 500 so as to be inserted into the movement guide groove 132,
The ends of the guide protrusions 501 are formed with threads (not shown)
Wherein a nut member (not shown) is coupled to the thread (not shown) when the guide protrusion (501) is inserted into the movement guide groove (132).
The method according to claim 6,
The pull-tab 500 includes:
A first gripper 510 having an insertion hole 511 in which the tip of the handle shaft 230 is inserted and fixed and an insertion projection hole 512 in the shape of an elongated hole,
A second gripper 520 hinged to the first gripper 510 and having an insertion protrusion 521 protruding through the insertion protrusion hole 512,
And an elastic member 530 provided between the first gripper 510 and the second gripper 510. When the first gripper 510 and the second gripper 520 are pressed, The insertion protrusion 521 is configured to pass through the insertion projection passage hole 512 or to be detached from the insertion projection passage hole 512,
In the movement guide groove 132,
The insertion protrusion 521 is inserted and fixed in the process of opening and closing the opening and closing wing part 300 by rotating the knob member 500 so that the opening and closing wing part 300 is selectively held at a predetermined angle Wherein a plurality of angle holding grooves (132a) are formed in a plurality of holes.
KR1020150143760A 2015-10-15 2015-10-15 Noise reduction-type damper KR101663127B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210270493A1 (en) * 2019-05-20 2021-09-02 Capital Hardware Supply, Llc Method for producing a ductwork damper, ductwork damper, and ductwork damper unit incorporating same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200183760Y1 (en) * 2000-01-08 2000-06-01 주식회사태영엔지니어링 Fixing structure for duct damper blade
KR200390377Y1 (en) 2005-05-02 2005-07-21 주식회사 그린엠앤씨 Blade Automatic Opens and Shuts Device of Construction Louver
KR100776236B1 (en) * 2007-01-23 2007-11-16 최부순 Damper for ventilation duct of building
KR20120007692U (en) * 2011-04-29 2012-11-07 김도수 A barb type damper
KR101406405B1 (en) * 2006-10-10 2014-06-13 콘티넨탈 오토모티브 게엠베하 Throttle flap connecting piece

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KR200183760Y1 (en) * 2000-01-08 2000-06-01 주식회사태영엔지니어링 Fixing structure for duct damper blade
KR200390377Y1 (en) 2005-05-02 2005-07-21 주식회사 그린엠앤씨 Blade Automatic Opens and Shuts Device of Construction Louver
KR101406405B1 (en) * 2006-10-10 2014-06-13 콘티넨탈 오토모티브 게엠베하 Throttle flap connecting piece
KR100776236B1 (en) * 2007-01-23 2007-11-16 최부순 Damper for ventilation duct of building
KR20120007692U (en) * 2011-04-29 2012-11-07 김도수 A barb type damper

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US20210270493A1 (en) * 2019-05-20 2021-09-02 Capital Hardware Supply, Llc Method for producing a ductwork damper, ductwork damper, and ductwork damper unit incorporating same

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