KR200406120Y1 - Diffuser - Google Patents

Abstract

The present invention relates to a diffuser installed in a duct recessed into a ceiling or a wall to circulate air between the duct and the room for air conditioning and ventilation in the room. A body portion including a tubular fixing hole and a fixing hole having an opening formed therein and a plurality of supporting wings for fixing the fixing hole by interconnecting the inner side of the body portion, and the body portion being disposed below the body portion in a state of being attached to the body portion. Opening and closing the bottom of the open bottom, forming a convex streamline toward the top, extending to the top of the elongated rod-shaped inner cap including a fixed rod that is fitted into the fixed hole and a convex streamlined toward the bottom, It characterized in that it comprises a cap portion including an outer cap mounted on the bottom.

defuser; duct; Air conditioning

Description

Diffuser {DIFFUSER}

1 is a cross-sectional view of a conventional diffuser.

2 is an exploded view of the diffuser according to the present invention.

3 is a view showing a body portion according to the present invention.

4 is a view showing a cover unit according to the present invention.

5 is a view showing a cap portion according to the present invention.

6 is a cross-sectional view of the diffuser according to the present invention.

*** Explanation of symbols on the main parts of the drawing ***

10: filter network 11: coupling groove

12: support rod 13: hook

20: fixed cap 30: body

31: coupling portion 32: screw hole

33: first fastening groove 34: support wing

35: fixing hole 40: cover

41: first fastening protrusion 50: cap portion

51: inner cap 52: second fastening groove

53: fixing rod 54: screw groove

55: outer cap 56: second fastening protrusion

100: duct 200: ceiling or wall

300: diffuser

The present invention relates to a diffuser, and in particular, a diffuser that facilitates the flow of inflow and outflow air and facilitates the manufacturing process in a diffuser installed in a duct of a ceiling or a wall for cooling and heating and ventilation inside a building. It is about.

A plurality of diffusers are installed in each space inside the building for integrated cooling and heating of the building and ventilation through the discharge of indoor air. Such a conventional diffuser is shown in FIG. 1 is a cross-sectional view of a conventional diffuser. As shown in FIG. 1, a conventional diffuser 300 is embedded in a duct 100 recessed into a ceiling or wall 200 of a building, and is disposed between a cap 350 and a ceiling or wall 200. The outside air is introduced through the space or the air inside is discharged.

On the other hand, in the case of the conventional diffuser 300, the cap portion 350 for controlling the amount of air circulation was manufactured by injection molding, but the shape or type of the cap portion was not varied due to the nature of the injection molding, and the manufacturing process was difficult. . In addition, in order to manufacture by injection molding, the inner surface of the cap portion 350, that is, the surface disposed toward the interior of the ceiling or the wall was inevitably formed, there was a problem that does not circulate air smoothly. That is, in the case of air introduced into the room through the duct 100, the air is introduced into the room by the inner surface of the cap part 350. Since the inner surface is concave, the air introduced flows back into the duct through the inner surface. Done. This air flow is illustrated using arrows in FIG. 1. Therefore, the circulation efficiency of the air is greatly reduced, so that air conditioning and ventilation of the room can not be effectively performed, and there is a problem that noise is generated while the air flows backwards. On the other hand, in the conventional diffuser, in order to fasten the air adjusting cap portion to the body portion, a separate fastening means had to be manufactured separately and then welded to the body portion. Therefore, the manufacturing process of the diffuser is complicated and the cost is increased, and it is difficult to weld the fastening means to the correct position, causing a defect in the product and there is a problem that the installed and assembled state is poor.

Various techniques have been proposed to solve these problems, in particular, the problem of the conventional diffuser complex manufacturing process, and the Republic of Korea Utility Model Utility No. 314621. The diffuser proposed in the registration utility model is composed of a duct frame installed in the duct, an outer frame mounted on the duct frame, and an air regulator (air adjusting cap part) fastened to the outer frame. In addition, looking at the assembly and installation process of the diffuser, first inserting the duct frame to the duct and fixed to the ceiling member by using a screw, the outer frame is screwed to the duct frame, and finally the exterior of the screw shaft of the air conditioner To the threaded hole in the frame. However, in the case of the registration utility model, since the duct frame is coupled to the duct frame in a state where the duct frame is not fixed to the duct at all, there is an inconvenience in that it is difficult for a single person to work and requires auxiliary personnel. In addition, due to its structural characteristics, the diffuser cannot be installed in a assembled or pre-assembled state, and each component such as a duct frame, an outer frame, and an air conditioner must be installed and assembled in sequence, which causes a complicated installation process and a long installation time. there was. In particular, considering that the space where the diffuser is installed, such as the ceiling, the worker is working in an unstable posture, the installation time becomes longer, there is a problem that the work efficiency is greatly reduced.

The present invention is proposed to solve the above problems, the object of the present invention is to improve the circulation efficiency of the air by smoothly flowing the inflow and discharge of the air through this, as well as effectively cooling and heating the room through the cap It is to provide a diffuser that can easily adjust the amount of circulation of air by adjusting the open space.

In addition, another object of the present invention is to provide a diffuser that can be stably installed in the duct of various structures, not only easy manufacturing process but also easy installation and assembly process to increase the efficiency of installation work.

In order to achieve the above object, the diffuser according to the present invention is installed in the duct recessed into the interior of the ceiling or wall surface is a diffuser for circulating air between the duct and the room for cooling and heating the room, the interior is formed The body part is formed in the tubular shape and is installed inside the duct, and is disposed at the lower part of the body part while being mounted to the body part to open and close the open bottom of the body part, form a convex streamline toward the upper part, and extend upward to the elongated rod. Shaped to form a streamlined convex toward the inner cap and the inner cap including a fixed rod mounted to the body portion, characterized in that it comprises an outer cap mounted on the bottom of the inner cap.

Preferably, the body portion has a tubular shape with an inner opening, and includes a plurality of support wings for fixing the fixing hole by interconnecting the fixing hole and the fixing hole disposed in the open inner space of the body portion and the inner side of the body portion. The fixing rod is inserted into the fixing hole to be mounted. At this time, the cross section when the fixed hole and the fixed rods are cut in the transverse direction is circular, and the screw grooves are respectively formed along the inner circumference of the fixed hole and the outer circumference of the fixed rod. In addition, the cross section when cut in the longitudinal direction forms a 'T' shape, so as to cover the upper end of the fixing hole so as to further include a fixed cap fitted to the upper end of the fixing rod. The diffuser may further include a filtering net disposed on the upper part of the body part to filter air circulating, and the filtering net includes a coupling groove recessed to allow the upper end of the body part to be coupled to the bottom of the filtering net. At this time, the engaging piece is formed to be inclined at a predetermined angle in a shape that extends downward along the side of the filter net, and may further include a support bar protruding downward in a predetermined size on the extension line in the longitudinal direction of the fixed rod of the bottom of the filter net. have. In addition, the bottom edge portion of the body portion protrudes outward a predetermined size, and further includes a plurality of threaded holes formed through the fastening means including a screw to the bottom edge portion of the body portion. At this time, it is preferable that the center portion is formed to have a donut shape that forms a streamlined shape in which the bottom surface is convex toward the lower portion, and further includes a cover portion wrapped around the bottom edge portion of the body portion.

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

Figure 2 is an exploded view of the diffuser according to the present invention, a view showing a cross section of the disassembled state according to the present invention. In addition, Figure 3 is a view showing a body portion according to the present invention, Figure 3 (a) is a bottom view of the body portion according to the present invention, Figure 3 (b) is a side view of the body portion according to the present invention. 4 is a view showing a cover according to the present invention, Figure 4 (a) is a plan view of the cover according to the present invention, Figure 4 (b) is a cross-sectional view of the cover according to the present invention. In addition, Figure 5 is a view showing a cap portion according to the present invention, a cross-sectional view of the upper cap and the lower cap separated state. 2 to 5, each component of the diffuser 300 according to the present invention will be described below.

The diffuser 300 according to the present invention, the filter net 10 for filtering the circulating air, the body portion 30 is mounted on the bottom of the filter net, the cover portion 40 is attached to the bottom of the body portion wraps around the bottom edge of the body portion And a cap part 50 disposed below the cover part to be attached to the body part to open and close the open space of the cover part.

The filtering net 10 according to the present invention is mounted inside the duct to prevent the inflow of foreign substances or insects into the duct by filtering the air introduced into the room and the discharged air. The bottom of the filter net 10 is provided with a coupling groove 11 recessed to mount the body portion 30. In addition, the support rod 12 protruding to a predetermined size toward the bottom is disposed in the central portion of the coupling groove (11). Specifically, the support rod 12 is to be arranged on the extension line in the longitudinal direction of the fixing rod 53 of the cap 50. The support rod 12 is to prevent the cap portion from rising above a certain height when opening and closing the open space of the cover portion 40 by adjusting the height of the cap portion 50.

On the other hand, as the side edge portion of the filtering net 10 is disposed the engaging piece 13 formed to be inclined at a predetermined angle toward the bottom in order to couple the filtering net to the duct. The locking piece 13 forms a shape that extends toward the lower side with a predetermined spaced gap from the side of the filter net 10. Thus, when the filtering net 10 is pushed in to fit the duct, the catch piece 13 can be retracted and the filter net can be drawn into the duct. It is possible to prevent the filter net from escaping from the duct.

Body portion 30 according to the present invention forms a predetermined cylindrical shape with the inside open and the edge of the bottom surface is formed to protrude to a predetermined size toward the outside. The upper end of the body portion 30 is disposed with a coupling portion 31 protruding to a predetermined size so as to fit into the coupling groove 11 of the filter net (10). In this case, the coupling portion 31 is formed in the same size and shape as the coupling groove 11, the body portion 30 is mounted to the filter net 10 by mutual coupling of the coupling portion and the coupling groove. The bottom edge of the body portion 30 is formed with a plurality of screw holes 32 formed therethrough so that a fastening means such as a screw can be fitted when the body portion is fixed to the ceiling or the wall. In addition, a plurality of first fastening grooves 33 are formed through the bottom edge of the body part 30 to fix the cover part 40. The first fastening protrusion 41 of the cover portion 40 is fitted into the first fastening groove 33. The first fastening protrusion 41 is inserted into the periphery of the first fastening groove so that the first fastening protrusion can be easily inserted into the first fastening groove. To form a recessed guide groove (33a). The guide groove 33a may be formed to be inclined so that the guide groove 33a is recessed deeper as the closer to the first coupling groove from the peripheral portion of the first coupling groove 33.

On the other hand, the open inner space of the body portion 30 is provided with a fixing hole 35 having a cylindrical shape and the inside is also open, the fixing hole is a plurality of supports for connecting between the side wall and the fixing hole of the body portion It is fixed by the wings 34. Therefore, the air in the duct and the room are circulated with each other through the open space between the side of the body portion 30, the fixing hole 35 and the support wing 34. On the other hand, as the fixing rod 53 of the cap 50 is inserted into the open inner space of the fixing hole 35, the cap is mounted on the body portion 30. Preferably, to form a screw groove along the inner circumference of the fixing hole (35).

The cover part 40 according to the present invention forms a donut shape with an open center, and is mounted in an interference fit type on the bottom edge of the body part 30. Body portion 30 and the cover portion 40 may be coupled to each other in a variety of ways, such as screw coupling in addition to interference fit. In addition, the bottom surface of the cover portion 40 is formed to form a convex streamline toward the lower portion so that the flow of the duct and the indoor air is made smoothly. A plurality of first fastening protrusions 41 protruding to be fitted into the first fastening groove 33 of the body part 30 is disposed on the upper surface of the cover part 40. Accordingly, the cover part 40 may be mounted on the bottom of the body part 30 by the coupling of the first fastening protrusion 41 and the first fastening groove 33, and the screw of the bottom edge of the body part may be mounted through the cover part. The hole 32 and the first fastening groove 33 can be concealed without exposing to the outside.

Cap portion 50 according to the present invention consists of a streamlined inner cap 51 and the outer cap 55 and the inner cap and the outer cap is coupled to each other by interference fit method. Of course, the inner cap 51 and the outer cap 55 may be coupled to each other in a variety of ways, such as screw coupling in addition to interference fit. The cap 50 is disposed below the cover 40 in a state of being mounted on the body 30 to open and close the open spaces of the cover and the bottom of the body. The size of the cap 50 is to be formed at least equal to the open space of the bottom of the cover 40 and the body 30.

The inner cap 51 has a streamlined convex shape toward the top, and has an elongated rod-shaped fixing rod 53 extending upwardly. Fixing rod 53 is fitted into the fixing hole 35 of the body portion 30, the fixing rod and the fixing hole so that the cross section has the same size and shape. Preferably, the cross section when the fixing bar 53 is cut in the transverse direction is circular and the screw groove 54 is formed along the outer circumference. Accordingly, in fitting the fixing rod 53 to the fixing hole 35, the screw groove 54 of the fixing rod is fastened to the screw groove formed along the inner circumference of the fixing hole, thereby enabling a more stable coupling. In addition, since the length of the fixing rod 53 is inserted into the fixing hole 35 through both screw grooves can be adjusted, the height of the cap 50 is adjusted to open the bottom of the cover 40 and the body 30. The opened space can be opened and closed.

On the other hand, the upper end of the fixing rod 53 is to be formed open, the fixing cap 20 is fitted into the open upper end. The fixing cap 20 has a closed upper surface and forms a shape in which the upper edge portion protrudes outward. That is, when the fixed cap 20 is cut in the longitudinal direction, the cross section forms a 'T' shape. Therefore, when the fixing cap 20 is lowered to a predetermined height or less in a state where the fixing cap 20 is fitted to the upper end of the fixing rod 53, the upper edge of the fixing cap is caught by the upper end of the fixing hole 35. In addition, when the fixing rod 53 is raised above a certain height, the upper surface of the fixing cap 20 is in contact with the supporting rod 12 of the filter net 10 is supported. Therefore, the upper and lower ranges in which the fixing rod 53 can be moved are determined by the fixing cap 20, and thus, the height of the cap 50 is adjusted within a predetermined range so that the bottom of the cover 40 and the body 30 are fixed. Open and close the space can be adjusted. That is, the cap part is no longer lifted up after the cap part 50 completely closes the open space, and the cap part no longer descends after the cap part is fully opened in the open space. It is possible to prevent the departure from the body portion 30.

The outer cap 55 is streamlined convex toward the bottom, and is mounted on the bottom surface of the inner cap 51. Therefore, since the inner cap 51 serves as an adapter for fitting the outer cap 55, it is possible to change the outer cap of various shapes or colors. On the other hand, the bottom surface of the inner cap 51 and the upper surface of the outer cap 55, a plurality of second fastening grooves 52 formed through and a plurality of second protrusions formed therethrough to forcibly couple the inner cap and the outer cap. The fastening protrusion 56 is provided.

6 is a cross-sectional view of the diffuser according to the present invention, a cross-sectional view of the diffuser is installed in the duct. Referring to Figure 6 describes the installation and use process of the diffuser 300 according to the present invention as follows.

First, in order to install the diffuser 300 according to the present invention, in the state in which the cover portion 40 is disposed below the body portion 30, the fixing rod 53 of the cap portion 50 to the open space of the cover portion It is inserted into the fixing hole 35 through the body portion. In addition, after the fixing cap 20 is inserted into the upper end of the fixing rod 53 from the upper surface of the fixing hole 35, the coupling portion 31 of the body portion 30 to the coupling groove 11 of the bottom surface of the filtering net 10 Fit the filter net and the body part.

Next, when the assembled diffuser 300 is pushed into the duct 100 recessed into the ceiling or the wall 200, the catching piece 13 of the side edge portion of the filter net 10 is retracted by spaced apart gaps. Can be pushed into the duct. As described above, when the diffuser 300 is pulled out, the locking piece 13 is caught by the inner side wall of the duct 100 to prevent the diffusion of the diffuser.

After the diffuser 300 is completely pushed into the duct 100, the body part is fastened to the ceiling or the wall 200 by inserting a fastening means such as a screw through the screw hole 32 of the bottom edge of the body part 30. Then, the cover part is coupled to the body part by inserting the sieve 1 fastening protrusion 41 of the cover part 40 into the first fastening groove 33 of the body part 30. As described above, since the guide groove 33a is formed at the periphery of the first fastening groove 33, the first fastening protrusion 41 can be easily located by finding the position of the first fastening groove even in the state covered by the cover 40. Can be inserted.

On the other hand, in installing the diffuser 300, without installing the diffuser in the duct 100 in the assembled state, the body portion 30, the cover portion 40, before or after installing the filter network 10 in the duct And the cap 50 and the fixed cap 20 can be selectively assembled. The cap 50 may also be assembled with the inner cap 51 first, and then the outer cap 55 may be mounted on the inner cap after the installation of the diffuser 300 is completed. In addition, when the diffuser 300 is installed in the duct 100, the fastening through the locking piece 13 of the filter net 10 and the screw hole 32 of the body part 30 may be selectively used according to the type and structure of the duct. It may be. That is, when the structure of the duct 100 is a structure that can not be caught inside the locking piece 13 to fasten the fastening means by fastening the fastening means by the screw hole 32, the structure of the duct is caught When the piece is structured to be fixed in the interior of the fastening means through the screw hole 32 may be selectively used.

In order to use the diffuser 300 according to the present invention, by rotating the cap portion 50 by adjusting the height of the cap portion by the pitch of the screw groove 54 of the cap portion and the screw hole of the fixing hole 35 by the body portion ( 30) to open and close the open space of the cover 40 bottom. As described above, since the fixing cap 20 is mounted on the upper end of the fixing rod 53 of the cap 50, the cap may be prevented from falling below a predetermined height or separated from the body 30. After closing the open space of the body portion and the cover portion 40, the fixing cap is in contact with the support rod 12 so that the cap portion can no longer be lifted up. In addition, by precisely forming the pitch of the screw groove 54 of the fixing rod 53 and the screw groove of the fixing hole 35 to finely adjust the height of the cap portion 50 by the body portion 30 and the cover portion 40 The open space of) can be finely adjusted. On the other hand, when the open space of the bottom surface of the body portion 30 and the cover portion 40 is opened by the cap portion 50, the inner cap 51 and the outer cap 55, and the cover portion is formed in a streamline It is possible to smoothly guide the air flow in the duct 100 and the room.

As described above, the diffuser according to the present invention has a remarkable effect of smoothing the air flow between the duct and the room to improve the circulation efficiency of the air as well as to facilitate the manufacturing process.

In other words, the diffuser according to the present invention,

First, since the cap part and the cover part are streamlined, the air flows in or out of the duct smoothly, thereby improving the air circulation efficiency and effectively performing the cooling and heating of the room. Minimize the noise caused by

Secondly, since the locking piece is provided along the side edge of the filtering network and the screw hole is provided at the bottom edge of the body, it can be applied to ducts of various types and structures such as ducts that cannot support the locking piece. By fastening the fastening means through the screw hole together with the locking piece, the diffuser can be installed more firmly and stably.

Thirdly, not only the screw hole for fixing and mounting the filtering net to the duct by using the locking piece is exposed to the outside, but also the filtering net, the body part and the cover part are combined by force fitting, in particular the body part and the cover. Guide grooves for guiding the first fastening protrusions are formed at the periphery of the first fastening grooves for joining the parts, so that the installation work can be easily performed to improve work efficiency. The components can be assembled while installed in the ducts, increasing work convenience,

Fourthly, since the cover portion wraps around the bottom edge of the body, screw holes and fastening means are not exposed to the outside, thereby providing a clean appearance.

Fifth, by adjusting the height of the cap portion by the screw groove formed in the fixing rod of the cap portion and the screw hole formed in the fixing hole of the body portion, not only opening and closing the open space of the body portion and the bottom of the cover portion, but also adjusting the size of the open space. It can be easily adjusted to easily control the circulation of air, and in particular, the pitch of the screw groove is densely formed to finely control the height of the cap and the open space of the body and the bottom of the cover to finely control the amount of air circulation. Can and

Sixth, since the fixed cap is mounted on the upper end of the cap portion and provided with a supporting rod at the bottom of the filtering net, the cap portion can be moved within an appropriate range up and down in order to open and close the open space between the body portion and the bottom of the cover portion. The cap part can be prevented from escaping from the body part when opening the space,

Seventh, by filtering the air circulated by the filter network it is possible to prevent the intake of foreign matter or insects into the duct,

Eighth, since the cap part is separated into an inner cap and an outer cap, and combined with each other by a force fitting method, the inner cap serves as an adapter for mounting the outer cap so that the outer cap of various shapes and colors can be changed and applied according to the installation location. Can and

Finally, the cap part can be assembled after being separated into an inner cap and an outer cap, and other components can be manufactured separately and assembled to facilitate the manufacturing process.

While preferred embodiments of the present invention have been described using specific terms, such descriptions are for illustrative purposes only, and various changes and modifications may be made therein without departing from the spirit and scope of the following claims. Should be done.

Claims (9)

A diffuser installed in a duct recessed into a ceiling or a wall to circulate air between the duct and the room for air conditioning and ventilation in the room, A body part formed inside the duct and having an open shape inside the duct; And A cap part disposed below the body part in a state of being mounted to the body part to open and close an open bottom surface of the body part, The cap part, An inner cap that forms a streamlined convex shape toward the top and extends upward to form an elongated rod shape and includes a fixed rod mounted to the body part; And Diffuser comprising a outer cap is formed convex toward the bottom, the outer cap is mounted on the bottom of the inner cap. The method of claim 1, The body portion, A fixing hole formed in an open shape of an inside of the cylinder and disposed in an open internal space of the body part; And It includes a plurality of support wings for fixing the fixing hole by interconnecting the inner side of the fixing hole and the body portion, Diffuser characterized in that the fixing rod is fitted into the fixing hole. The method of claim 2, The cross section when the fixing hole and the fixing rod in the transverse direction form a circle, Diffuser characterized in that each of the screw grooves are formed along the inner circumference of the fixing hole and the outer circumference of the fixing rod. The method of claim 2, The diffuser, Diffuser characterized in that the cross section when cut in the longitudinal direction to form a 'T' shape, and is fitted to the upper end of the fixing rod in a state spanning the upper end of the fixing hole. The method of claim 1, The diffuser, It is disposed on the upper portion of the body portion further comprises a filtering network for filtering the circulating air, The filter net, And a coupling groove recessed to allow the upper end of the body portion to be coupled to the bottom surface of the filtering net. The method of claim 5, The filter net, Diffuser characterized in that it further comprises a locking piece formed to be inclined at a predetermined angle in a shape unfolding toward the lower side along the side of the filter net. The method of claim 5, The filter net, Diffuser further comprising a support bar protruding in a predetermined size toward the bottom on the extension line in the longitudinal direction of the fixing rod of the bottom of the filter net. The method of claim 1, The bottom edge portion of the body portion protrudes outward a predetermined size, the diffuser characterized in that it further comprises a plurality of threaded holes formed through the fastening means including a screw to the bottom edge portion of the body portion. The method of claim 8, The diffuser, A diffuser, characterized in that the central portion is formed open and the bottom surface is formed in a donut shape convex toward the bottom, and the cover portion is mounted surrounding the bottom edge of the body portion.

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