JPH0712832Y2 - Intake duct device for air conditioning in panel - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is for air conditioning such as cooling and heating in a room through a ventilation path inside a partition type panel standing upright on the floor of a room such as an office of a building. The present invention relates to the structure of an air conditioning intake duct device for guiding the adjusted air blown out from the floor lower surface side to supply the adjusted air to the ventilation passage of the panel.

[Problems to be solved by conventional techniques and devices]

In offices in buildings these days, so-called office equipment such as computers and word processors are often installed, so an appropriate underfloor space is formed between the concrete floor base of the room and the floorboard above it. As described above, a free-access floor structure as a double-floor device is adopted, and wiring for OA equipment is often provided in this underfloor space.

Further, in recent buildings, it is common practice to provide an air conditioning (air conditioning) system so as to keep the temperature and humidity in each room substantially constant throughout the year.

In this case, as disclosed in Japanese Unexamined Utility Model Publication No. 62-99751, the air conditioned by the air conditioning system (hereinafter referred to as regulated air) is guided to the underfloor space and an appropriate portion of the free access floor. It is proposed that the air be introduced into the room from the air outlet.

And in such a case, depending on the layout of furniture such as a desk or a partition panel to be installed indoors, the furniture may block the air outlet of the free access floor,
Since there is a problem that the adjusted air of the turning angle does not reach the necessary place, one of the applicants of the present application was the Japanese Patent Application No. 2-53941.
The interior of furniture such as a partition type panel is formed into a hollow ventilation passage, and a discharge port for discharging the adjusted air into the room is provided on the side surface of the furniture, while the lower end of the furniture is opened to provide a free access floor. It was proposed to cover the air outlet of the above from above.

In this case, it is conceivable to provide an intake duct communicating between the opening at the lower end of the partition type panel and the air outlet of the free access floor. Since the duct must be formed in a hollow shape in which the inside communicates with the upper and lower sides, there is a problem in that it is difficult to mount the intake duct inside the hollow shape of the panel.

An object of the present invention is to provide an intake duct device that solves these problems.

[Means for Solving the Problems]

To achieve this object, the present invention provides an air outlet unit at an opening formed on at least one of the front and back wide surfaces of a panel having a hollow ventilation path formed therein, while providing an intake duct for the panel. It is constituted by a first frame body that is long along the wide surface and a second frame body that is detachable with respect to the first frame body at a dividing surface parallel to the wide surface of the panel, and is surrounded by both frame bodies. An inner peripheral portion is formed so as to communicate with the air passage, and a mounting portion to the lower end of the panel is provided at the upper end of the first frame body so as to be located on the inner peripheral portion side surrounded by both frame bodies. It is a thing.

[Operation and effect of device]

As described above, the air intake duct of the present invention is composed of a first frame body having a long length along the wide surface of the panel and a second frame body having the same length. The both frame bodies are divided, but these are combined. Then, the inside is formed into a flat tubular shape that communicates with the top and bottom.

In order to attach the intake duct having such a shape to the lower end of the panel, the first frame body and the second frame body are separated in advance, and first fixed to the lower end of the panel via the attachment portion of the upper end of the first frame body. Then, the second frame body may be superposed along the longitudinal direction of the first frame body and mounted on the first frame body. The mounting portion at the upper end of the first frame body is surrounded by the both frame bodies. Since it is located on the peripheral portion side, even if the inner peripheral portion is a narrow space, the first frame body can be attached to the panel in advance under the condition that the second frame body does not exist. This has the effect of making the work extremely easy.

Further, since the intake duct is accommodated within the thickness of the panel, there is an effect that it is not necessary to increase the thickness of the panel for mounting the intake duct.

〔Example〕

Next, an embodiment will be described. Reference numeral 1 is a partition type panel (partition) that is erected so as to communicate with the discharge port 3 for discharging the adjusted air from the lower surface of the free access floor 2. The free access floor 2 is detachably mounted on the upper surface of the support column 4 with an adjustable height adjuster through a mounting bracket. As shown in FIG. The L-shaped or U-shaped arrangement on the floor 2 and the left and right rear end edges of the desk top plate 5 arranged on the front side of the panel 1 and the rear end portion of the desk leg 6 are the surfaces of the columns 4. It can be attached to the engaging hole formed on the side via a mounting member (both not shown).

Reference numeral 7 is a blowing unit for blowing adjusted air for cooling from the surface (both front and back sides as desired) of the wide surface of the panel 1 into the room, and reference numeral 8 is a blowing unit for blowing adjusted air for heating into the room. Yes, as described in detail later, it is possible to adjust the air volume and the wind direction.

The panel 1 includes a main frame body 9 for making the inside hollow, and a front plate 10 and a back plate 1 for covering both front and back surfaces (wide width surface) of the main frame body 9.
1 and the vertical reinforcing members 13 and 13 attached to the inner surfaces of the pair of left and right end columns 12 and 12 of the main frame 9 having a U-shaped cross section, and the vertical reinforcing members 13 and 13 above and below the horizontal positions. Cross beam reinforcement to be connected 14,
The cross beam reinforcing member 14 has a U-shaped cross section, and is provided with adjustment air passage holes 15 having a rectangular shape in plan view at appropriate intervals along the longitudinal direction thereof.

Reference numeral 16 in FIG. 2 is a vertical intermediate reinforcing member that connects the inner surfaces of the front plate 10 and the rear plate 11.

Thus, the inside of the panel 1 is formed with a ventilation path through which the regulated air can pass vertically.

Reference numeral 17 is an upper side blowing box for mounting the upper side blowing unit 7 etc. of the panel 1, and reference numeral 18 is a cross-section upward U-shape that covers the upper end surface of the main frame 9 above the upper side blowing box 17. It is a right and left long cover body,
The cover body 18 is a fitting for connecting the left and right end portions of the main frame body 9 to the support columns 4 (screwed and fixed to the main frame body 9 side).
A screw 20 is fixed to the upper piece 19 and a top and bottom cap 21 having a left and right length is detachably fitted on the upper surface of the cover body 18.

The upper blowing box 17 is formed in a U-shaped cross section so as to form one laterally long blowing opening 22 on the front surface, while the upper blowing box 17 has a plurality of laterally extending ventilation holes 23 on the lower surface thereof. And reference numerals 24 and 25 are horizontal upper and lower edge frame portions.

Further, reference numeral 26 is an end fitting which is spot-welded so as to close the left and right end surfaces of the upper side blowing box 17, and the end fitting is
On the surface side of the support piece 26a of 26, the upper side blowing box 1
Fix the end caps 27 covering the front surfaces of the left and right ends of 7 with screws 28.

As a result, the end fitting 26 prevents the adjusted air from leaking out from the left and right end surfaces of the upper blowing box 17 and prevents the end caps from leaking.
Plays two roles with 27 fixings.

Each of these end caps 27 has a T shape in a horizontal direction when viewed from the front, and the end caps are
By inserting the vertically projecting end portions 27a and 27b of 27 into the open ends of the upper and lower edge frame portions 24 and 25, it is possible to eliminate the positional displacement of the end cap 27 with respect to the front surface of the left and right end portions of the upper blowing box 17. Together with the end fittings 26, the adjusted air is prevented from leaking out and the aesthetic treatment of the left and right end portions of the panel 1 is also achieved.

The upper side blowing box 17 is a surface plate 10 of the panel 1.
It is arranged so as to be detachable along the upper edge of the back plate 11, and the screw 32 is fastened to the inner surface of the back plate 11 from the rear plate 31 side of the box body 30 of the blowing unit 7 made of synthetic resin or the like. As a result, the upper blowing box 17 can also serve as a lateral reinforcing beam in the left-right longitudinal direction of the panel 1.

Reference numeral 33 is a blind box that is detachable from the left and right openings 22 on the front surface of the upper side blowing box 17, and that can be laterally exchanged with the same detachable blowing unit 7. The locking claws 34, 34 provided at the upper and lower rear end portions are configured to be elastically deformable in the vertical direction by making cuts on the left and right, and each locking claw 34 is formed on the upper plate of the upper side blowing box 17. Engagement hole
By engaging the front edges of the left and right longitudinal ventilation holes 23 formed in the lower plate and the lower plate 35, careless removal cannot be performed.

The box body 30 of the blowing unit 7 is formed in a laterally U-shape having a front face as a blowing portion, and a bottom plate 36 of the box body 30 is formed with a left and right ventilation hole 37 communicating with the ventilation port 23. Stepped support shafts 39, 39 are respectively provided so as to be opposed to the left and right side plates 38, 38 screwed so as to close the left and right ends of the box body 30, respectively.

Reference numeral 40 is a shield plate having a circular arc-shaped cross section and extending in the left-right direction.
The non-slip knurled portions are formed on the circumferential surfaces of the disc-shaped operation portions 41, 41 integrally attached to the left and right ends of the disc.

A large-diameter hole 42 that fits into the large-diameter shaft 39a of the stepped support shaft 39 is formed through each of the operation parts 41, while the stepped part of the large-diameter hole 42 is expandable and contractible such as neoprene rubber. The annular first brake piece 43 is forcibly inserted (while being compressed), and the inner diameter hole of the first brake piece 43 is forcibly fitted to the large diameter shaft 39a of the stepped support shaft 39, and the operating portion When the shielding plate 40 is rotated via 41 to increase or decrease the degree of overlap between the shielding plate 40 and the ventilation port 23, and thus the opening area of the ventilation port 23, the shielding plate 40 does not rotate carelessly. It keeps that state.

Further, the outer diameter surface of the annular second brake piece 44 made of the same material as the first brake piece 43 is the large diameter hole of the operation portion 41.
Support holes that are formed to have a smaller diameter than the inner peripheral surface of 42, are fitted on the small diameter shaft 39b of the stepped support shaft 39, and are formed on both left and right end surfaces of the control body 45 that controls the vertical direction of the adjustment air. The small-diameter shaft 39b is fitted into the shaft 46 to rotatably support it, and the disk surfaces of the second brake piece 44 are pressed against the left and right end surfaces of the control body 45 to make the vertical rotation angle of the control body 45. Is configured so as to be able to hold the state in which the operation is arbitrarily changed.

Reference numeral 47 is a plurality of control blade plates for controlling the air direction of the blown-out adjusted air to the left and right, and each control blade plate 47 has a notch 48 into which the control body 45 can be fitted, as shown in the figure. A pair of upper and lower projections 50, 50 are formed at the front end of the cutout portion 48, which are fitted in mounting holes 49 provided at regular intervals in the front portion of the control body 45 so as to be rotatable left and right. On the other hand, the rear end support portion 51 of each control blade plate 47 has a plurality of control blade plates 47.
A notched portion 53, which is substantially U-shaped in a plan view, of the connecting plate 52 that rotatably connects the rear end portions is loosely fitted.

Rotatable to 54 cutouts of the Ω-shaped plan view of the connecting plate 52 so that the connecting plate 52 cannot be removed with respect to each rear end support portion 51 of the control blade plate 47 at the left and right end positions and the central position. To fit.

Reference numeral 55 is a U-shaped operation handle having a rearward cross-section that protrudes forward from the control blade 47 at the central position.

With this configuration, by vertically rotating the operation handle 55, the horizontally long control body 45 can be vertically rotated around the small-diameter shaft 39b, whereby the bottom plate 36 of the box body 30 of the blowing unit 7 is rotated. The blowing direction of the adjusted air introduced from the ventilation hole 37 can be adjusted by changing the direction to the vertical direction as appropriate.

At this time, the vertical rotation angle of the control body 45 is arbitrarily changed by the frictional force between the left and right end surfaces of the control body 45 and the disc surface of the second brake piece 44 fitted on the small diameter shaft 39. Can hold.

Further, when the operation handle 55 is rotated right and left with a finger, the left and right directions of the plurality of control blade plates 47 are changed via the connecting plate 52, and the ventilation hole 37 of the box body 30 bottom plate 36 of the blowing unit 7 is changed. It is possible to appropriately control the blowing direction of the adjusted air introduced from the right and left.

At this time, projections 56 for restraining free rotation, which project on both front and back surfaces or one surface of the connecting plate 52, are provided so as to abut on the end surface of the rear end support portion 51 of the control blade plate 47 at an arbitrary position,
Alternatively, on the inner surface side of the upper and lower pieces 55a, 55a of the operation handle 55 or the front surface side of the control body 45, a protrusion for restraining free rotation is provided.
By providing 57, the position of the control vane plate 47 can be maintained in a state where the lateral direction is changed.

Thus, the first brake piece 43 and the second brake piece 4 are
4, by providing a free rotation inhibiting means such as the protrusions 56 and 57, the amount of blowout is adjusted by the shield plate 40, the vertical direction of the blowout direction is adjusted by the control body 45, and the horizontal direction of the blowout direction by the control blade plate 47. It is possible to surely prevent the adjustment of (1) from being inadvertently changed due to the pressure of the adjusted air.

The upper side blowing box 17 is attached to the surface plate 10 of the panel 1.
After being detachably arranged along the upper edge of, the operating portion 41 of the blowing unit 7 is rotated to rotate the shielding plate 40 so as to approach and close the ventilation hole 37.

In addition, normally, a locking protrusion 58 protruding downward is provided on the back surface of the lower front edge of the shielding plate 40, and a front edge 37a of the vent hole 37 in the bottom plate 36.
Although it is regulated so that it does not rotate further upward by contacting with the shield plate 4, when the locking projection 58 is rotated upward with some force applied, the locking projection 58 has passed over the front edge 37a and rotated.
The upper edge of 0 is located below the screw hole formed in the rear plate 31 of the blowing unit 17.

If a blind box 33 having the same size as the left-right dimension of the blowing unit 7 is prepared, the mounting position of the blowing unit 7 can be exchanged left and right, and a screw for fixing the position after the left-right mounting position of the blowing unit 7 is exchanged. Therefore, it is preferable that a plurality of female screw holes are formed in advance at the relevant locations on the upper blowing box 17 side and the like.

Reference numeral 61 shown in FIG. 4 and FIG. 9 is a horizontally long frame body in the heating blowing unit 8 mounted on the lower side of the wide surface of the surface plate 10, and the frame body 61 is provided with vertically long and vertically long blowing holes 63. A horizontally long front plate 62 formed at a constant pitch (P), and groove-shaped horizontally long rails 64, 64 having U-shaped cross sections formed by bending the upper and lower portions of the front plate 62 toward the rear surface side. It is composed of a reinforcing frame 65 having an upward U-shaped cross section and a reinforcing frame 66 having a substantially L-shaped cross section, which are fixed to the upper and lower portions of the rear side of the panel. The both reinforcing frames 65, 66 communicate with the ventilation passages inside the panel 1. Thus, a plurality of horizontally long passage holes 67, 68 are provided at appropriate intervals.

Then, the rear end faces of the reinforcing frames 65 and 66 in the frame body 61 are attached to the rear plate 1
It is fixed to the inner surface of 1 by screwing or spot welding.

Reference numeral 69 is an opening / closing plate having a lateral U-shaped cross section which is slidably inserted in the groove of the horizontally long rail portion 64 so as to contact the inner surface (back surface) of the front plate 62. A large number of blowout holes 70 are formed at the same pitch (P) as that of the blowout holes 63, and a handle is provided on the front surface of the opening / closing plate 69 so as to project forward.
When 71 is projected forward from the left and right long guide holes 72 formed on the front plate 62 side and the opening / closing plate 69 is laterally moved to connect both blowing holes 63 and 70, the communication opening area is reduced. It is possible to blow out the adjusted air of a suitable air volume to the outside of the panel 1, and if the left and right positions of the both blowing holes 63, 70 are inconsistent, the blowing can be blocked.

Reference numeral 73 is a lower support slider made of synthetic resin or the like having a small frictional resistance, which is provided so as to project downward at an appropriate interval (at least the left and right end portions) along the longitudinal direction at the lower end of the opening / closing plate 69 having a U-shaped cross section. The downward head of the lower support slider 73 is slidably abutted on the upper surface in the groove of the lower horizontal rail portion 64.

Similarly, a rear support slider made of synthetic resin, etc. with low frictional resistance
74 and 75 are rearwardly projecting at appropriate intervals along the longitudinal direction of the opening / closing plate 69 at the upper and lower portions on the back side of the opening / closing plate 69 having a lateral U-shaped section, and the rearward supporting sliders 74 and 75 are directed rearward. The head is slidably abutted on the rear side surfaces in the groove of the pair of upper and lower horizontal rail portions 64, 64, and the front surface of the opening / closing plate 69 is within the groove width (dimension H1) of each horizontal rail portion 64. The open / close plate 69 is pressed forward by the rear support sliders 74 and 75 so as to press the back surface of the front plate 62 without a gap. This makes the horizontal rail 6
When the open / close plate 69 is moved laterally or stopped within 4, 64,
There is no rattling, and it is possible to prevent abnormal noise from being generated by the vibration of the opening / closing plate 69 that blows out the adjusted air. Further, the blowout hole 63 in the front plate 62 can prevent the adjusted air from leaking out from the gap between the two plates 62 and 69 in a closed state where the blowout hole 70 in the opening / closing plate 69 does not overlap. .

Further, the upper and lower reinforcing frames 65 and 66 of the frame 61 support the rear sides of the upper and lower horizontal rail portions 64 and 64, and the rear surfaces of the upper and lower reinforcing frames 65 and 66 are fixed to the inner surface of the back plate 11. Since it is stretched, the rigidity of the entire frame body is increased, it is possible to prevent deformation such that the groove portions of the horizontally long rail portions 64, 64 expand in the front and rear, and the adjustment between the opening / closing plate 69 and the front plate 62. Air leakage can be reliably prevented.

The lower reinforcing frame 66 can also be used as a mounting portion for an intake duct 78 described later.

The stopper 76 that restricts the lateral movement amount of the opening / closing plate 69 is one that is protruded into the groove at the left and right end portions of the horizontally long rail portion 64,
This prevents the opening / closing plate 69 from moving left and right more than necessary.

Further, as shown in FIG. 10, the end caps 77 are provided so that the adjusted air does not leak to the outside from the abutting portions of the left and right ends of the frame 61 and the inner surface of the vertical reinforcing member 13 of the main frame 9. The end face opening surrounded by the front plate 62 and the upper and lower horizontally long rail portions 64, 64 is inserted and closed.

The heating blowing unit 8 may be provided on a wide surface of the surface plate 10 at an intermediate position in the vertical direction, and is opened on both front and back sides of the panel 1 so that the adjusted air for heating is blown into the room. You may.

Reference numeral 78 is a vertical communication type air intake duct that is continuously provided on the lower surface side of the frame body 61 of the blowing unit 8, and in the embodiment, a horizontally long first frame body that is divided into front and back surfaces substantially parallel to the wide surface of the panel 1. 79, the second frame 80 and the top plate of the first frame 79
The appropriate portion of 79a is configured as a mounting portion for fixing the screw 81 to the lower surface of the reinforcing frame 66, while the ventilation hole 82 formed in the top plate 79a is communicated with the passage hole 68 in the reinforcing frame 66,
The second frame body is provided at a plurality of vertically long brackets 83 having a U-shaped cross section, which are fixed to the middle portion of the inner surface of the first frame body 79 by spot welding or the like.
Fix the screw 84 with the inner surface of the long side plate 80c of 80 abutting against each other, and stack the left and right side plates 79b, 79b of the first frame body 79 and the left and right side faces 80b, 80b of the second frame body 80 in the same manner. It is configured to stop.

As a result, first, the top plate 79a of the first frame 79 is attached to the reinforcing frame 6
In the state of being in contact with the lower surface of 6, screw 81 is fastened, then the longitudinal side plate 80c of the second frame body 80 is made substantially parallel to the longitudinal side plate 79c of the first frame body 79, and the inner surface of the longitudinal side plate 80c When the screw 84 is fixed from the outside with the bracket 83 in contact with the bracket 83, the inner circumference surrounded by the first frame 79 and the second frame 80 is regulated by the thickness dimension (H2) of the bracket 83. The depth space dimension of the part can be specified. Further, when the left and right side plates 79b, 79b of the first frame body 79 and the left and right side surfaces 80b, 80b of the second frame body 80 are overlapped and the screws 85 are similarly fastened from the outside, the intake duct 78
Can be formed into a flat rectangular tubular shape in plan view with an upper and lower opening, and even if the vertical dimension of the intake duct 78 is somewhat long, the upper end of the intake duct 78 is attached to the lower surface of the frame 61, etc. Installation work on the lower part of the panel becomes easy.

Further, since the portion of the top plate 79a of the first frame 79 (which is located on the inner peripheral side of the intake duct 78 in plan view) is located in the ventilation passage of the panel 1 and fixed to the reinforcing frame 66 and the like, It is not necessary to provide another flange on the intake duct 78 because the depth of the air passage is increased to attach the duct 78 or the duct is attached directly to the lower ends of the front plate 10 and the back plate 11.

If the bracket 83 is shaped like a U-shaped cross section, it does not hinder the flow of the adjustment air in the up-down direction of the intake duct 78, and at the same time, it is possible to prevent the middle portion of the intake duct 78 from being deformed.

Then, the sponge-like sealing material 86 mounted in the groove portion 88 on the outer periphery of the lower surface of the intake duct 78 is pressed against the upper surface of the free access floor 2, and the discharge port 3 in the free access floor 2 is positioned on the inner peripheral side of the sealing material 86. Then, the conditioned air adjusted by an air conditioning unit (not shown) is supplied to the intake duct 78.
Can be fed into the panel 1 via the intake duct
The gap between the lower end of 78 and the upper surface of the free access floor 2 is sealed by the seal member 86 and does not leak to the outside.

Reference numeral 87 is a baseboard that is detachably attached to the lower end of the panel 1.

[Brief description of drawings]

FIG. 1 is a perspective view of the panel, FIG. 2 is a front view of the panel, FIG. 3 is an enlarged sectional view of an essential part of III-III of FIG. 2, and FIG. 4 is an essential part of IV-IV of FIG. FIG. 5 is an enlarged sectional view, and FIG.
6 is an enlarged sectional view taken along line VI-VI of FIG. 2, FIG. 7 is an exploded perspective view of the blowing unit, FIG. 8 is a partially cutaway front view of the lower portion of the panel, and FIG. Is a cross-sectional view of the frame body, FIG. 10 is a partially cut-away cross-sectional view showing the abutting portion of the main frame body and the frame body and the end of the intake duct, and FIG. 11 is a cross-sectional view of FIG. 2 and FIG. FIG. 12 is a sectional view taken along line XI, and FIG. 12 is an exploded perspective view of the intake duct. 1 ... Panel, 2 ... Free access floor, 3 ... Discharge port, 7,8 ... Blowout unit, 9 ... Main frame, 10 ...
… Front plate, 11 …… Rear plate, 17 …… Upper side blowing box, 23 …… Ventilation port, 30 …… Box, 31 …… Rear plate, 32 …… Screw, 33 …… Blind box, 37 …… Vent hole, 39 ... Stepped support shaft, 40 ... Shielding plate, 41 ... Operating part, 45 ... Control body, 47 ...
… Control blades, 52 …… Coupling plate, 55 …… Operating handle, 61
…… Frame, 62 …… Front plate, 63,70 …… Blowout hole, 64 ……
Horizontal rails, 65,66 ... Reinforcing frame, 67,68 ... Passage hole, 69
...... Open / close plate, 72 ...... Guide hole, 73 ...... Lower support slider,
74, 75 ... Rear support slider, 76 ... Stopper, 78 ... Intake duct, 79 ... First frame, 80 ... Second frame, 83 ... Bracket, 88 ... Groove, 86 ... Seal Element.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Yuho Kato 1-6-11 Awaji-cho, Chuo-ku, Osaka-shi, Osaka Itoki Co., Ltd. (72) Go Umezawa 1-6, Awaji-cho, Chuo-ku, Osaka-shi, Osaka No. 11 Itoki Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A blowout unit is provided in an opening formed on at least one of the front and back wide surfaces of a panel having a hollow ventilation passage formed therein, and an intake duct is provided along the wide surface of the panel. It is composed of a long first frame body and a second frame body which is attachable to and detachable from the first frame body by a dividing surface substantially parallel to the wide surface of the panel, and an inner peripheral portion surrounded by the both frame bodies. It is formed so as to communicate with the ventilation passage, and a mounting portion to the lower end of the panel is provided at the upper end of the first frame body so as to be located on the inner peripheral side surrounded by both frame bodies. Intake duct device for air conditioning in the panel.