JPH0631948Y2 - Desk with air conditioning function - Google Patents

Description

[Detailed Description of the Invention] << Industrial Application Field >> The present invention relates to an office desk equipped with an air-conditioning function, which is installed on a floor surface corresponding to an underfloor air-conditioning system.

<Conventional technology and problems> In recent years, in order to improve office work efficiency, many desks installed in the office are divided into partitions to form workstations. Since each desk is surrounded by partitions, it is difficult for the air conditioned from the ceiling to flow inside the workstations, and hot air or cold air easily accumulates inside the workstations, and air conditioning in each workstation is efficient. There was a problem that I could not do it.

In order to solve this problem, a device combining an air conditioner and a desk (for example, Japanese Patent Laid-Open No. 62-290407).
No.) etc. have come to be provided.

Further, the above device is equipped with a blower switching means for blowing air below the desk body during heating, and blowing up above during cooling, and the means determines whether the air conditioning equipment is in heating operation or cooling operation according to a signal from a temperature sensor. Judgment was made, and each motor damper was opened and closed to determine the air blowing position.

That is, regardless of the sensible temperature, cold air is blown from above and warm air is blown from below, so you can change the air blow point according to your physical condition, or blow air from both upper and lower outlets. I could not respond.

<Purpose and configuration of the present invention> The present invention has a simple structure, can be manufactured at low cost, and depending on the physical condition of the user or preference, whether the wind is cold or warm,
An object is to provide a desk having an air conditioning function, which has a blower switching means capable of appropriately selecting blown air from the lower side or the upper side, and the structure thereof has a blower switching means for selectively switching the blown air to the upper and lower outlets. In a desk equipped with an air conditioning function, the blower switching means includes a blower switching lever, an interlocking bar,
A switching plate that is upright in parallel with the curtain plate and is displaceable from a position where the lower outlet is closed from the back side to a position above the lower outlet that partitions the upper air duct vertically. Is.

<< Example >> Hereinafter, an example is described based on a drawing.

In FIG. 1, reference numeral 1 indicates a desk body, reference numeral 2 indicates a curtain plate connected to a rear end surface of the desk body 1, reference numeral 3 indicates a floor outlet provided on a floor surface of an underfloor air conditioning system, Reference numeral 4 denotes a flexible duct that connects the interior of the curtain plate 2 and the floor outlet 3 to each other.

The desk body 1 includes a top plate 11 and left and right legs 12 and 12 connected to the back surfaces of the left and right end portions of the top plate 11, and the left and right legs 12,
An office desk 10 of the present invention in which a curtain plate 2 is connected to a rear end surface of the desk 12
Is configured.

That is, the interior of the curtain plate 2 serves as a blower duct, one end of the flexible duct 4 is connected to the front surface of the lower end portion, and the air flow of the underfloor air conditioning introduced into the interior of the curtain plate 2 is selected from a predetermined portion of the curtain plate 2. It will be blown out to.

More specifically, the curtain plate 2 is fixed to the inner surface of the upper plate 23 and the rear plate 21 in which the left and right upper and lower ends are bent forward to form the left and right projecting pieces 22, 22 and the upper and lower projecting pieces 23, 23. Upper reinforcing member 24 having a panel mounting protrusion 241 and a lower protrusion 23.
A horizontal partition member 25 that is fixed over the entire width in the left-right direction above a predetermined dimension of, and connecting projections 26, 26 that are fixed inside the left-right projections 22, 22 by protruding forward over the entire width in the vertical direction. Vertical partition plates 27, 2 which are fixed inside the connecting projections 26, 26 by a predetermined size and are fixed in the vertical direction.
7 and vertical reinforcing members 271, 2 having front and rear dimensions of about one fifth of the vertical partition plate 27 fixed to the inside of the vertical partition plates 27, 27.
71, a lower front panel 28 detachably attached to the front surface between the lower projecting piece 23 and the horizontal partition member 25, and a front upper panel 29 detachably attached to the front surface between the horizontal partition member 25 and the upper reinforcing member 24. It is configured.

Then, the central portions of the upper projecting piece 23 and the upper reinforcing member 24 are cut out with a predetermined size to form an upper opening 5, and a lower opening 6 of substantially the same shape as the upper opening 5 is also formed at the lower end portion of the front upper panel 29. A second introduction hole 250 is formed in the central portion of the horizontal partition member 25 and is approximately half the size of the lower opening 6, and a circular first introduction hole 280 is formed in the lower front panel 28. An upper opening cover 51 is attached to the opening 5, and an lower opening cover 61 is attached to the lower opening 6.

That is, the lower blower duct portion 230 having a hollow inside by the lower end portion of the rear plate 21, the horizontal partition member 25, and the lower front panel 28.
Are formed, the rear plate 21, the horizontal partition member 25, and the vertical partition member 2
7, 27, the upper reinforcing member 24, and the front upper panel 29 form an upper blower duct portion 210 having a hollow upper portion and facing the second introduction hole 250.

Then, the air flow of the underfloor air conditioning guided by the flexible duct 4 is once guided from the first introduction hole 280 into the lower ventilation duct portion 230, and further the second introduction hole 250.
Reaching the inside of the upper air duct portion 210, the upper air duct portion 2
The blower switching means 80 arranged in the blower 10 blows the air out of either the upper opening cover 51 of the upper opening 5 or the lower opening cover 61 of the lower opening 6.

Further, the airflow blown from the upper opening cover 51 is adjusted in its blowing direction by the wind direction changing means 70.

The upper opening cover 51 has a semicircular cross section, and has a plurality of slits formed on the front surface side at predetermined intervals on the left and right sides to form the upper outlet 511.

Then, cover caps 52, 52 are provided on the left and right ends of the upper opening cover 51.

Further, the lower opening cover 61 has a front surface portion 611 and a vertically inclined portion 6
12 and 613, and a plurality of slits are formed in the vertical inclined portions 612 and 613 at predetermined intervals on the left and right,
The lower outlet 64 is configured.

A heat insulating material is attached to predetermined portions on the inner surface of the rear plate 21, the lower front panel 28, the upper front panel 29, and the like.

The wind direction changing means 70 includes a rotor 7 rotatably mounted inside the upper opening cover 51, and a rotating lever 71 connected to the rotor 7.

That is, the rotor 7 has a cylindrical shape that is slightly larger in the left-right direction than the upper opening cover 51, and has a rotating shaft 72,
72 is formed so as to project outward.

The rotary shafts 72, 72 are provided with vertical reinforcing members 271, 271.
Is rotatably supported by rotor support projections 731, 731 provided on the upper portions of rotor mounting seats 73, 73 screwed to the upper end of the shafts via collars 732, 732.

On the other hand, the rotating lever 71 is fan-shaped and is screwed to one of the left and right end surfaces of the rotor 7, and the rotor mounting seat 73 is engaged with the fitting holes 712 and 713 formed at predetermined positions of the peripheral end portion 711. The engaging sphere 741 of the engaging member 74 attached to the member mounting projections 732 and 732 is appropriately engaged to select the rotation angle of the rotor 7.

Further, the opening upper cover 5 is provided around the rotor 7.
The outlet opening 7 of a size slightly smaller than the upper outlet 511 of No. 1
6 is formed over almost the entire width in the left-right direction, and a closing portion 77 having a size that closes the upper outlet 511 continuously to the outlet opening 76 and a portion that is continuous with the closing portion 77 and is on the opposite side of the outlet opening 76. An introduction opening 78 is formed.

Then, in a state in which the turning lever 71 having the operation projection 711 protruding from the notch groove formed in the cover cap 52 is turned rearward (a state shown in FIG. 4), the upper outlet 511 is opened.
The blow-out opening 76 is aligned with the direction of, and the introduction opening 78 is the most opened downward, and the upper blower duct 210
The conditioned air introduced therein is strongly blown out upward from the upper outlet 511.

Further, when the operation protrusion 711 is rotated forward, the rotor 7 is also rotated at the same time, the blowout opening 76 moves downward, and the conditioned air is gradually blown forward from below the upper outlet 511.

Then, the other fitting hole 713 is the spherical body 74 of the engaging member 74.
In the state of being engaged with 1, the closing portion 77 of the rotor 7 is located on the back surface side of the upper outlet 511 and closes the outlet 511.

Since the spherical body 741 is constantly in pressure contact with the peripheral end portion 711 by the spring, the rotor 7 is maintained in the stopped state at the desired position.

The blower switching means 80 includes a blower switching lever 8 and a switching plate 81.
And an interlocking bar 82 for interlocking the two.

As shown in FIG. 5, the blower switching lever 8 is rotatably supported by being inserted into the rotary shaft 72 of the rotor 7, and is provided at the peripheral end portion at an angle of 90 degrees with respect to the rotation center (rotary shaft 72). A first recess 83 and a second recess 84 are formed on the upper end of the interlocking bar 82 so that a part of the peripheral end surface of the rotating wheel 821 rotatably provided therein is fitted.

The dimension from the center of rotation to the first recess 80 is larger than the dimension from the center of rotation to the second recess 83.

The rotating bar 821 is attached to the upper end of the interlocking bar 82, is supported by an interlocking bar supporting projection 733 formed on the rotor mounting seat 73 so as to be vertically movable, and is constantly urged upward by a spring 822. .

The lower end is pivotally connected to the switching plate 81.

The switching plate 81 has a size that extends between the vertical partition plates 27, 27 and is formed to be larger than the thickness of the curtain plate 2. The switching plate mounting portion 811 has upper and left end portions bent rearward.
811 and the switching plate mounting portions 811, 811 are pivotally connected to the vertical partition plates 27, 27 by mounting pins 812, 812.

A connecting seat 813 is attached to the central portion in the vertical direction, and the lower end portion of the interlocking bar 82 is pivotally connected.

That is, when the operation portion 814 of the blower switching lever 8 protruding from the notch groove formed in the cover cap 52 is rotated rearward, part of the rotary wheel 821 of the interlocking bar 82 fits into the first recess 83. To meet.

At this time, the lower end portion of the interlocking bar 82 has a switching plate attachment portion 811.
The switch plate 81 is positioned vertically below the switch panel 81 and is upright in parallel with the front upper panel 29.

That is, the switching plate 81 contacts the heat insulating material attached to the back surface of the front upper panel 29 to close the lower opening 6, and all the conditioned air is blown out from the upper outlet 511. (Third
(State shown in the drawing) Next, when the operation portion 814 is moved forward, the blower switching lever 8 rotates around the rotation shaft 72 of the rotor 7, and the second recess 83 moves downward.

At this time, the dimension from the center of rotation is second from the first recess 83 side.
The concave portion 84 side is formed to be short, and the interlocking bar 8 is formed by the spring 822.
Since 2 is always biased upward, the interlocking bar 82 moves upward until a part of the rotary wheel 821 fits in the second recess 84, and the switching plate 81 moves upward with the mounting pins 812, 812 as the center. Turn to.

Then, the upper and lower ends of the switching plate 81 contact the rear plate 21 and the front upper panel 29, and partition the inside of the upper blower duct 210 into upper and lower parts with the lower opening 6 as a boundary. (The state shown by the dashed line in FIG. 3) As a result, the conditioned air introduced from the second introduction hole 250 is blown out from the lower outlet 64 through the lower opening 6.

<Effect> As described above, the present invention can be manufactured at low cost because the blower switching means has a simple structure including the blower switching lever, the interlocking bar, and the switching plate.

Since the operation portion of the blower switching lever is provided so as to project above the curtain plate, the blower position can be appropriately changed in the sitting posture according to the wish of the user.

The switching plate is upright parallel to the curtain plate, and it is possible to displace from the position where the lower outlet is closed from the back side to the position where the inside of the upper air duct is partitioned above and below the lower outlet, so the physical condition of the user can be improved. Or, if you like, you can get conditioned air from both upper and lower outlets in the same way, which is convenient.

[Brief description of drawings]

 1 is an exploded perspective view of an essential part of the present invention, FIG. 2 is a longitudinal sectional view of an essential part of the present invention, FIG. 3 is a sectional view taken along line AA of FIG. 2, and FIG. 4 is B of FIG. FIG. 5 is a cross-sectional view taken along line -B, and FIG. 5 is a perspective view of a main part of the blower switching means. 1 ... desk body 2 ... curtain plate 210 ... upper air duct part 230 ... lower air duct part 5 ... upper opening 511 ... upper air outlet 6 ... lower air opening 64 ... lower air outlet 70 ... wind direction Change means 8 ...... Blower switching lever 80 ...... Blower switching means 81 ...... Switching plate 814 ...... Operating section 82 ...... Interlocking bar

Claims (1)

[Scope of utility model registration request] 1. A blower duct is provided inside the curtain plate disposed on the rear end surface of the desk body, and an upper air outlet for blowing air above the top plate is provided on the upper end surface of the curtain plate, and a user's foot is at the lower end portion. In a desk having an air-conditioning function that has a lower air outlet for blowing air into the curtain plate and has an air blowing switching means for selectively switching the air blowing to the upper air outlet and the lower air outlet inside the curtain plate, The blower switching lever that protrudes above the curtain plate, the interlocking bar that interlocks with the movement of the switching lever, and the movement of the interlocking bar erects upright parallel to the curtain plate and closes the lower outlet from the back side. A desk with an air conditioning function, which is characterized by a switching plate that can be displaced to a position above and below the outlet to partition the inside of the upper air duct.