KR101595499B1 - Diffuser for air conditioner - Google Patents

Abstract

The present invention relates to a diffuser for an air conditioner which is installed in a variety of buildings and used for air conditioning and which is provided to improve assembly, constructability and ease of pressure control, to reduce noise and to make easy filter installation and replacement possible using a simple configuration. The present invention comprises: a diffuser body which is inserted and fixated into an assembly hole formed on a ceiling board and the upper end of which is engaged with a duct; a support member forming a support ring outside a connection piece to make air holes partitioned by the connection piece be radially formed, fixating the support ring in a lower edge of the diffuser body, and forming a hemispherical guide inclination unit inside the connection piece; a hemispherical guide member having a polygonal elevating rod which is inserted into a polygonal hole formed at the center of the support member and the edge of which is arranged to face the inclination guide surface formed inside the diffuser body; and a finishing member having a screw rod to be screwed with the nut formed in the polygonal elevating rod of the guide member in the central upper side, radially forming the air holes to be partitioned by the connection piece like the support member, and forming a fixation hook which is latched on a ring-shaped latch groove formed to be open to the side using an assembly groove formed on the support ring of the support member in the fixation ring formed outside the connection piece. A doughnut-shaped mount groove is formed on the top of the finishing member to accommodate the air holes and a filter member is mounted in the mount groove.

Description

Diffuser for air conditioner

The present invention relates to a diffuser for air conditioner installed in various buildings for air conditioning, and more specifically, it is possible to improve assemblability, workability, convenience of air volume control and noise reduction by a simple structure And to provide a diffuser for air conditioning that can be easily installed and replaced with a filter.

General air conditioning is installed in various buildings to maintain the conditions such as temperature, humidity, bacteria, odor, etc. in a suitable condition for the installed place.

In order to supply the air generated by the air conditioning to the room in an amount desired by the user, the amount of air can be adjusted at the end of the flexible duct installed in the ceiling as in Korean Patent Publication No. 10-0767022 (Oct. 15, 2007) And a diffuser having a function is installed.

The diffuser is connected to the flexible duct to form a body having a narrow upper part and a wider inclined lower part. An arcuate air volume adjusting damper is installed in the body, and the air volume adjusting damper is lifted up and down from the inside of the body And a lower panel for adjusting the amount of air by adjusting the airflow control damper up and down by rotating the threaded rod, which is installed at the lower part of the airflow control damper.

Since the screw bar and the lower panel are integrally fixed to the lower panel when the lower panel is rotated, the lower panel is detached from the screw rod due to frequent use. Even if the lower panel is once again engaged, There is a problem that smooth operation can not be performed due to a phenomenon that idle rotation occurs because the swing bar can not be rotated, and there is a problem that the lower panel is separated from the ceiling to cause various safety accidents.

In addition, when a small amount of air is introduced into the room by using the air volume adjusting damper, friction noise is generated in the air volume adjusting damper and the main body due to the air pressure generated in the flexible duct, A noise such as a strong wind sound is generated by the passage.

In order to solve such a problem, the inventor of the present invention has provided a low-noise diffuser for air conditioning in Korean Registered Patent Application (B1) No. 10-1375313 (Apr. 18, 2014), which forms a connection tube connected to a flexible duct A body having a narrow upper portion and a wider inclined surface at its center and a lower portion at its lower portion and a narrower upper portion and an inclined lower portion between the upper portion and the inclined portion; An engaging member having a spring resiliently supported on an upper portion of the rim; A tubular body formed at an upper center of the connection tube body and connected to the inner surface of the connection tube body by a connecting reinforcing bar on an outer circumferential surface thereof, A guide pin formed at a lower portion of the connecting rib; A screw rod inserted into the shaft hole of the tubular body and provided with a shaft, a head portion formed at an upper end of the tubular body so as to be seated on the engaging piece of the tubular body, A first air conditioning unit having a guide hole formed in an upper surface thereof to allow a guide pin to pass through the upper surface of the body, Wow; A cap which covers the upper part of the tube and has an inner jaw formed at an inner upper end thereof; A female threaded portion formed at an inner upper end of the expansion surface; A connecting plate having a connecting rib in a lattice shape, a hollow to form a screw rod in the center, and a first fastening part to be fastened to an upper end of the female screw on an outer circumferential surface thereof; A sound absorbing material formed at a lower portion of the blocking plate and having a through hole into which a screw rod is inserted; A second air conditioning part having a connection part formed between the pressure ring and the inclined guide surface, the second air conditioning part being connected to the inclined guide surface, ; And a second fastening portion which is fastened to the female screw portion on an outer circumferential surface of the joining ring, the fastening portion being formed to have a coupling jaw on an upper surface of the second air adjusting portion; An indoor space having a motor installed inside the second air conditioning unit; A pressing plate coupled to the coupling jaw and having an insertion hole for inserting an end of the screw rod in the center; And a coupling groove into which an axis of the motor is coupled to an end of the screw rod.

In the case of constructing the air conditioner diffuser as described above, it is convenient for the user to adjust the amount of air supplied to the room, manually or automatically, and a sound absorbing material is formed inside the body, It is possible to provide a pleasant indoor ambience because the noise generated by the inflow air can be blocked. The sound absorbing material provides a function of filtering the dust generated in the flexible duct, In addition, the second air conditioning unit using the sound absorbing material can be configured to compress or expand the air to adjust the amount of air. When the pore density of the sound absorbing material is high, the thickness of the sound absorbing material is made thin. When the pore density of the sound absorbing material is low, So that the air amount can be adjusted.

However, in the case of the above-mentioned low-noise diffuser for air conditioning, since the operation part is provided on the connection tube, it is difficult to maintain maintenance in case of failure, and the connection stiffener is exposed to strong wind pressure and a vortex is formed under the connection stiffener, And it is necessary to install the components on the ceiling plate in a completely assembled ecology, and there is a problem that the entire product must be disposed of when the components are damaged due to careless handling.

KR 100767022 B1 2007.10.15. KR 101375313 B1 2014.03.18.

Accordingly, the present inventor has researched and developed the present invention of the conventional air conditioner diffuser. The present invention is characterized in that the present invention comprises a diffuser body, a support member, an induction member, a lower finish cover and a filter member And an induction member and a finishing member are disposed on the upper and lower sides of the support member to be coupled with the diffuser body in a one-touch manner, so that they can be assembled and screwed together so that the assembling and airflow control can be performed. The present invention has been accomplished on the basis of the technical object of the present invention with the object of minimizing the wind resistance to reduce the noise and improving the assembling property of the cover, thereby simplifying the filter fixing and replacement.

In accordance with an aspect of the present invention, there is provided an air conditioner comprising: a diffuser body fixed to an assembly hole formed in a ceiling plate and having an upper end coupled to a duct; A supporting shaft is formed on the outer side of the connecting piece so that a vent hole defined by the connecting piece is formed radially, a supporting shaft is fixed to a lower edge of the diffuser body, and a supporting member Wow; A hemispherical guide member having a rectangular elevating rod which is inserted into a rectangular hole formed at the center of the support member and which is elevated and lowered, and whose edge is arranged to correspond to the inclined guide surface formed inside the diffuser body; Wherein a screw rod threadably engaged with a nut provided on the square type elevating bar of the guide member is formed at an upper center of the center, and a vent hole is formed radially so as to be partitioned by a connecting piece like the support member, And a closing member having a fixing ring formed on an edge thereof so as to be engaged with an annular band-shaped engaging groove formed to open sideways through an assembling groove formed in a supporting boss of the supporting member.

In addition, donut-shaped recesses are formed in the upper portion of the closing member so as to accommodate the ventilation holes, and filter members are placed in the recesses.

In addition, a plurality of guide holes are perforated around the square hole in the guide inclined portion of the support member, and the guide member is formed with the guide pin to be fitted into the guide hole.

When the air conditioner diffuser provided in the present invention is used, the diffuser body, the support member, the guide member, the lower finish cover and the filter member are simply constituted. In particular, the constituent members other than the filter member are injection- The manufacturing cost can be reduced.

Assembly of each constituent member is easy.

Since the guide member is moved up and down along the threaded bar formed on the closing member when the closing member is rotated, the air volume can be easily adjusted.

The upper surface of the guide member is formed in a semi-circular shape to induce the wind, thereby reducing the noise generated by blocking the wind direction.

The filter member can be easily replaced by removing the closing member from the supporting member.

1 is an external perspective view showing an embodiment of an air conditioning diffuser provided in the present invention.
2 is an exploded perspective view showing an embodiment of an air conditioning diffuser provided in the present invention.
FIG. 3 is a cross-sectional view of the air conditioning diffuser provided in the present invention, and shows a state in which the diffuser is blocked by the guide member
Fig. 4 is a cross-sectional view of an air-conditioning diffuser provided in the present invention, in which a diffuser is opened by an induction member
5 is a sectional view showing another embodiment of the air conditioner diffuser provided in the present invention
Figure 6 is a cross-section of the use state of the present invention

Hereinafter, an embodiment of the air conditioning diffuser provided in the present invention will be described with reference to the accompanying drawings.

FIGS. 1 and 2 are an external perspective view and an exploded perspective view showing an embodiment of an air conditioner diffuser provided in the present invention. FIGS. 3 and 4 are sectional views of an air conditioner diffuser provided in the present invention, FIG. 5 is a cross-sectional view showing another embodiment of the air conditioner diffuser provided in the present invention, and FIG. 6 is a cross-sectional view showing the state of use of the present invention will be.

The air conditioner diffuser 1 provided in the present invention is divided into the diffuser body 10, the support member 20, the guide member 30, the closure member 40 and the filter member 50 , The components can be easily assembled and installed, the noise generated due to the blocking of the wind direction can be minimized, and the replacement operation of the filter member (50) can be easily performed , And the constitution of each constituent member will be described in detail below.

- Diffuser body (10) -

The diaphragm body 10 is formed with a coupling pipe 11 through which the flexible duct 60 is inserted and a drop tube 12 is formed below the coupling pipe 11 to have a slant induction surface 13 therein A connecting portion 14 to be fitted in an assembling hole 71 formed in the ceiling plate 70 is formed below the fallopian tube 12 and a grounding facet 15 ). Although the flexible duct 60 is coupled to the coupling pipe 11 according to the drawings, various configurations such as a duct having a fixed configuration can be applied. An inner space 16 in which a support member 20 to be described later is inserted is formed in the inside of the engaging portion 14.

And fixing means for fixing the diffuser body 10 to the ceiling plate 70 in a state where the engaging portion 14 is fitted to the assembly hole 71 of the ceiling plate 70 at the boundary between the grounding facet 15 and the engaging portion 14 The fixing means 17 is formed by a combination of a bracket 17a formed integrally with the diffuser body 10 and a torsion spring 17b fixed to the bracket 17a by a pin, 17b are formed at the ends thereof with a support piece 17c which is in contact with the upper surface of the ceiling plate 70 is bent.

When the diffuser body 10 is fitted into the assembling hole 71 formed in the ceiling plate 70, the fixing means 17 and the torsion spring 17b are brought into close contact with the bracket 17a, The supporting piece 17c is supported on the upper surface of the ceiling plate 70 to fix the diffuser body 10. Such a fixing means 17 is a known technique generally used in the air conditioner diffuser 1 .

In the present invention, the fixing hole 18 is formed at the boundary between the trunk tube 12 and the engaging part 14 in the diffuser body 10. In the present invention, three fixing holes 18 are formed at an angle of 120 degrees An example is shown.

The angle a of the coupling pipe 11 is formed so as to be inclined so that the wind introduced through the coupling pipe 11 can be naturally guided, . When the angle of the inclined guide surface 13 is smaller than 130 °, the diameter of the diffuser increases. When the angle is larger than 150 °, the height of the diffuser increases.

- Support member (20) -

The support member 20 is a component that is fixed to the diffuser body 10 while being inserted into the interior space 16 formed inside the coupling portion 14 in the diffuser body 10. [

The supporting member 20 is formed with a support bell 23 at the outside of the connecting piece 21 so that the vent hole 22 partitioned by the connecting piece 21 is radially formed, Thereby forming a protruded hemispherical induction slope portion 24.

The support flange 23 is formed with a fastening fastener 25 on the upper side and a fastening protrusion 25a is formed on the upper end of the fastening fastener 25 so as to face outward. The engaging protrusions 25 and the engaging protrusions 25a are formed on the diffuser body 10 so that the engaging protrusions 25a are caught on the engaging portions 14 in a state of being fitted in the fixing holes 18, So that it can be coupled to the diffuser body 10 in a one-touch manner. The latching groove 26 is formed in the shape of an annular band on the side of the support bell 23 and the assembly groove 27 connected to the latching groove 26 is formed to open downward. In the present invention, an example in which three assembly grooves 27 are formed is shown.

A prismatic hole (28) is formed in the center of the guided inclined portion (24).

The square hole 28 is formed to have a long tubular shape below the induction slant portion 24. The square hole 28 is formed of a polygon having a quadrangular or hexagonal shape and in the present invention, .

Meanwhile, the support member 20 according to the present invention may be bonded to the diffuser body 10 with an adhesive such as a bond, or may be integrally formed of a metal and welding them together.

- guide member (30) -

The guide member 30 is located on the upper side of the support member 20 and is intercepted with the inner inclined guide surface 13 of the fallow tube 12 to block the air flow or gradually move away from the inclined guide surface 13, To increase the number of the members.

The guide member 30 is formed in a hemispherical shape so as to be in contact with the inclined guide surface 13 and is formed at the center lower side with a square bracket 31 inserted into a square hole 28 formed in the support member 20 do.

A bolt operation hole 32 is formed on the inside of the rectangular widened steel bar 31 and a nut 33 is coupled to the lower end of the square widened steel bar 31 so as to be positioned on the same center line as the bolt operation hole 32. At this time, the nut 33 may be provided with an injecting structure, a structure in which the bolt operating hole 32 is slidably engaged with the nut coupling hole 34 formed in the square-shaped elevating rod 31 at a right angle.

The bolt operating hole 32 may be configured to be closed or open so that the upper portion is closed.

- Closing member (40) -

The closing member 40 is a constituent member coupled to the lower side of the support member 20 and exposed to the outside.

A ventilation hole 42 is formed radially so as to be partitioned by a connecting piece 41 like the support member 20 and a stationary frame 43 is formed outside the connection piece 41.

The stationary ring 43 is provided with an annular band-like engaging groove 43 formed to be laterally opened through an assembling groove 27 formed in the support bell 23 of the support member 20, (26).

A threaded rod 45 is integrally formed at the center of the closing member 40 so as to be screwed to the nut 33 provided in the square bracket 31 formed on the guide member 30. [

A donut-shaped mounting groove 46 is formed in the upper portion of the closing member 40 to receive the air hole 22 and a filter member 50 is placed in the mounting groove 46.

In such a configuration, the fixing ring 44 can be rotated along the engaging groove 26 in a state where the fixing ring 44 is engaged with the engaging groove 26 of the supporting member 20, The nut 33 is moved toward the closure member 40 along the screw rod 45 when the closure member 40 is rotated in the clockwise direction so that the guide member 30 is lowered to increase the air volume, The nut 33 is moved to the opposite side of the closing member 40 along the screw rod 45 so that the guide member 30 is raised to reduce the air flow.

Meanwhile, the filter member 50 according to the present invention is composed of a sound absorbing structure such as a nonwoven fabric or a sponge, which allows the air to pass easily, but also to filter the dust contained in the air and reduce the noise.

The replacement of the filter member 50 can be easily accomplished by a method of separating the closure member 40.

The separation of the closing member 40 is performed by releasing the supporting force in a state in which the fixing ring 44 formed on the closing member 40 is aligned with the mounting groove 27 so that the fixing ring 44 of the closing member 40 is assembled When the closing member 40 is rotated in the counterclockwise direction in this state, the threaded rod 45 is disengaged from the nut 33 and the closing member 40 is disengaged The filter member 50 placed in the mounting groove 46 is replaced in this state and the mounting groove 27 is formed in a state in which a part of the threaded rod 45 is assembled to the nut 33 in the reverse order of the above So that the fixing ring 44 is positioned in the engaging groove 26 with the fixing ring 44 interposed therebetween.

In the present invention, the support member 20 and the guide member 30 may be configured as shown in FIG. That is, a plurality of guide holes 29 are formed in the guiding inclined portion 24 of the support member 20 around the square hole 28, and the guide member 30 is provided with a guide So that the pin 35 is formed so that the guide member 30 can be raised and lowered more precisely.

When the support member 20 and the guide member 30 are injection molded, the mold member to be assembled with the square-shaped hole 28 and the ascending steel bar 31 is used for separating the support member 20 and the guide member 30 The clearance is formed opposite to each other, and a clearance is generated in the assembled state, so that the upper induction member 30 is tilted to one side and noise is generated. In the case of the construction as shown in FIG. 5, It will be possible to install without.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of protection of the present invention should not be limited to the described embodiment, but should be determined by the equivalents as well as the claims that follow.

1: air-conditioning diffuser 10: diffuser body
11: Coupling tube 12: Fallopian tube
13: inclined guide surface 14:
15: Folding face 16: Interior space
17: fixing means 17a: bracket
17b: Torsion spring 17c: Support piece
18: fixing hole 20: supporting member
21: connecting piece 22: ventilation hole
23: support supporter 24: guide slope part
25: Clamping fixture 25a:
26: engaging groove 27: assembling groove
28: square hole 29: guide hole
30: guide member 31: square-shaped wrought steel bar
32: bolt operating hole 33: nut
34: nut coupling hole 35: guide pin
40: closing member 41: connecting piece
42: Vents 43: Fixed tongue
44: Retaining ring 45:
46: Anchor groove 50: Filter member
60: flexible duct 70: ceiling plate
71: Assembly

Claims (4)

A diffuser body 10 fitted and fixed to an assembly hole 71 formed in the ceiling plate 70 and having an upper end coupled to the flexible duct 60;
The support foil 23 is formed on the outer side of the connecting piece 21 so that the vent hole 22 partitioned by the connecting piece 21 is radially formed and fixed to the lower edge of the diffuser body 10, A support member 20 formed so as to protrude upward in a hemispherical guide slope 24 inwardly;
A rectangular prismatic bar 31 which is fitted in a rectangular hole 28 formed at the center of the support member 20 and is elevated and lowered is formed so as to correspond to the inclined guide surface 13 formed in the inside of the diffuser body 10 A hemispherical guide member 30;
A threaded bar 45 threadedly engaged with a nut 33 provided on the square shaped elevating bar 31 of the guide member 30 is formed at the center upper side and the connecting piece 41, like the supporting member 20, The fixing hole 43 formed radially outwardly of the connecting piece 41 is formed with a through-hole 27 formed in the supporting shaft 23 of the supporting member 20 And a closing member (40) having a fixing ring (44) formed in an upper portion thereof to be engaged with an engaging groove (26) shaped like an annular band so as to be opened.
The method of claim 1,
A donut-shaped mounting groove 46 is formed in the upper portion of the closing member 40 so as to receive the vent hole 22,
And a filter member (50) is placed in the interior groove (46).
The method of claim 1,
The fixation of the diffuser body 10 and the support member 20,
The supporting shafts 23 formed on the supporting member 20 are bonded to the diffuser body 10 with an adhesive or they are made of metal and welded to each other or are inserted into the fixing holes 18 formed in the lower edge of the diffuser body 10 And a stopper (25) formed on an upper side of the support shoe (23) so as to be fixed to the upper surface of the support shoe (23) and to be engaged with each other. .
The method according to any one of claims 1 to 3,
A plurality of guide holes 29 are drilled around the square hole 28 in the guide slope 24 of the support member 20 and the guide member 30 is provided with guide pins 29, (35) is formed on the outer circumferential surface of the diffuser.

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