JP2005207152A - Building door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a building door securing enough ventilation air quantity and excellent in crime prevention. <P>SOLUTION: A vertically continuing opening (6) is formed in a door body (B) and a louver (10) is installed in the outside part of the opening, and a sub door (11) opening/closing the opening is fitted to the indoor side of the opening. A sub door locking mechanism (13) locking the sub-door in the closed position is provided in the indoor side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a building door having a ventilation (ventilation) function.

In particular, the entrance doors of condominiums, etc. require ventilation. Building doors having a ventilation function are disclosed in Patent Documents 1 and 2.
Japanese Patent Laid-Open No. 7-29158 JP 7-305571 A

  However, the thing of patent document 1 has the structure which provided the panel which has a ventilation part in a door main body inside and outside, and provided the raising / lowering door in the meantime, and the thing of patent document 2 has the structure of the opening part formed in the door main body. It has a structure with a screen door lattice on the outside and a raising and lowering door on the indoor side. Therefore, since it is a structure provided within the restricted thickness of the door, it is difficult to have a strength that ensures sufficient crime prevention, and a sufficient ventilation rate cannot be obtained because of using a raising / lowering door. There is a problem.

  In view of the above points, the present invention has a large opening, and has a mechanism for protecting the opening for crime prevention, so that a sufficient amount of ventilation is ensured and the building is excellent in crime prevention. Providing a door is a first problem. Moreover, it is set as the 2nd subject to provide the structure which can manufacture easily the door for buildings provided with the ventilation function and the crime prevention function.

  In order to solve the above-mentioned problems, the invention of claim 1 is characterized in that an opening continuous in the vertical direction is formed in the door body, a louver is provided on the outdoor side portion of the opening, and the indoor side portion of the opening is A child door locking mechanism for attaching a child door for opening and closing the opening and locking the child door in the closed position is provided.

  According to the second aspect of the present invention, a louver is provided on the outdoor side of the frame body, a child door is rotatably supported on the indoor side of the frame body by a rotation shaft, and the rotation shaft is rotated above the frame body. A vent door unit is constructed by attaching a sub-door lock mechanism that locks the sub-door to the closed position on the frame body, and the vent body unit is fitted into the opening of the door body so that the frame body is installed on the indoor side. The building door is configured to be fixed to the door body.

  The invention according to claim 3 is characterized in that a controller for controlling the rotation of the rotation shaft and the rotation angle thereof is electrically connected to the drive unit.

  According to a fourth aspect of the present invention, the door main body or the ventilation unit is provided with a human sensor that detects the presence or absence of a person within a predetermined range of the door, and the child door in the open state is closed based on the presence detection signal of the human sensor. The ventilation unit is provided with a control unit that controls the drive unit so as to open the closed child door based on the detection signal.

  The invention of claim 5 is characterized in that the control unit controls the drive unit so as to automatically open and close the child door based on a detection signal from a smoke sensor, a heat sensor or a gas leak sensor.

  According to the first aspect of the present invention, if the door body is provided with a large opening such as a window, the child door can be opened to ensure a sufficient air flow rate while being a door, and the door body is locked. If so, natural ventilation can be safely performed when going out or sleeping. In addition, since the child door lock mechanism is provided, the child door is closed and locked when going out or sleeping, thereby blocking ventilation and ensuring crime prevention.

  According to invention of Claim 2, the ventilation unit which attached the louver, the child door, the rotating shaft, the drive part, and the child door lock mechanism to the frame is fitted to the opening of the door body, and the frame is attached to the door body. Since it is configured to be fixed, it is easy to manufacture a door having a ventilation function, and since the frame is fixed to the door main body on the indoor side, the ventilation unit is not separated from the door main body from the outdoor side. Higher crime prevention.

  According to the invention of claim 3, since the control unit for controlling the rotation of the rotating shaft of the child door and the rotation angle thereof is electrically connected to the driving unit, the ventilation rate is arbitrarily adjusted or the ventilation is stopped. Can be

  According to the invention of claim 4, since the child door can be automatically opened and closed according to the approaching / separating of the person to the door, an excellent crime prevention effect can be obtained.

  According to the invention of claim 5, since the child door is automatically opened and closed based on the detection signal from the smoke sensor, the heat sensor, or the gas leak sensor, it causes abnormally high temperature or gas leak due to indoor smoke, fire or other causes. Depending on the situation, the child door is automatically opened or closed, so it is necessary to promote the diffusion / discharge of smoke or heat, or to prevent the introduction of outside air that promotes fire combustion when left open. Can do.

Next, the best embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a building door according to an embodiment of the present invention as viewed from the outdoor side, FIG. 2 is a rear view of the same, and FIG. 3 is a rear view in a state where a child door is opened. 4 is a longitudinal sectional view of only the door frame and the door body pivotally supported by this, FIG. 5 is also a transverse sectional view, and FIG. 6 is a diagram showing only the child door extracted from the building door of FIG. (A) is a front view, (b) is a rear view, FIG. 7 is an intermediate omitted sectional view taken along the line XX of FIG. 6 (b), and FIG. 8 is a YY line of FIG. 6 (b). FIG. FIG. 9 is a circuit diagram showing an example of a control system of the drive unit.

  In the figure, A is a door frame, and as in the prior art, upper and lower horizontal frames 1a and 1b and left and right vertical frames 1c and 1d are framed in a rectangular shape. B is a door body, which is pivotally supported by a hinge 2 on one vertical frame 1d of the door frame A, and door knobs 3 are provided on both the inside and outside as in the prior art. Although not shown, the door frame A and the door main body B are provided with a lock mechanism similar to the conventional one.

  The door body B is formed by joining the upper and lower horizontal panels 4 and the left and right vertical panels 5 so that the front shape is a hollow rectangle. As shown in FIG. 4, the horizontal panel 4 includes a pair of horizontal members 4a and 4b formed by processing a steel plate into a U-shape or a square J-shape, spaced apart by a predetermined distance, and surrounded by a thin steel plate 4c. The screw 4d is fixed and has a required strength. As shown in FIG. 5, the vertical panel 5 has a pair of horizontal members 5 a and 5 b formed by processing a steel plate into a U-shape or a square J-shape, spaced apart from each other by a predetermined distance, like the horizontal panel. Is surrounded by a thin steel plate 5c and fixed by screws 5d, and has a required strength. And the longitudinal direction edge part of the thin steel plate 4c and the thin steel plate 5c is cut | disconnected at 45 degree | times, the cut surface is faced | matched and it joins by welding. The door main body B is provided with fire resistance or fire resistance by being made of steel.

  The door body B is formed with an opening 6 penetrating indoors and outdoors between the upper and lower horizontal panels 4 and the left and right vertical panels 5. And the ventilation unit C which is the principal part of this invention is fitted by the opening part 6, and it adheres to the door main body B. As shown in FIG.

  As shown in FIGS. 7 and 8, the ventilation unit C has a frame body 7 formed by rectangularly framing an upper frame 7a, a lower frame 7b, and left and right vertical frames 7c, and a drive unit is provided above the frame body. A mounting box 8 is provided. This box 8 has upper and lower plates 8a and 8b and left and right side plates 8c, and a drive body composed of a geared motor 9 is attached to an accommodation space 8d formed between the upper and lower plates 8a and 8b. Yes. 9a is the mounting plate. A cover 8e is detachably attached to the front of the box 8 for maintenance of the drive body 9.

An opening 7d is formed between the box 8 of the frame 7 and the lower frame 7b and the left and right vertical frames 7c to form a ventilation structure, and a blade that forms a known gallery on the outdoor side portion of the opening 7d The same blade | wing 10a adheres at predetermined intervals, and the gallery 10 is comprised. It is preferable that an insect repellent net (not shown) is stretched on the gallery. The ventilating structure using the louver is desirably formed with an opening 7d of at least about 2000 cm ² in order to increase the ventilation amount (ventilation amount). Moreover, the louver 10 is made into the structure which cannot see through the indoor side from the outdoor side for crime prevention.

  A child door 11 that opens and closes the opening 7d is accommodated in the indoor portion of the opening 7d of the frame body 7, and the rotary shaft 12 that penetrates the child door is fixed to the child door near one end in the width direction. Has been. The child door 11 has a fireproof structure in which a frame 11a formed by connecting steel frame members in a rectangular shape is surrounded and joined by a thin steel plate 11b. The lower end portion of the rotating shaft 12 is rotatably supported by the lower frame 7b of the frame body 7, and the upper end portion of the rotating shaft 12 is coupled to the rotating shaft of a geared motor 9 as a preferred embodiment of the driving body. In this way, when the geared motor 9 rotates and reverses the rotary shaft 12 within a predetermined rotation angle range, the child door 11 is rotated between a position for shielding the opening 7d and a position for opening. The opening angle of the child door can be arbitrarily adjusted by setting the control unit.

  An electric lock 13 is provided in the vertical frame 7c at the intermediate position in the height direction of the vertical frame 7c existing on the opposite side of the rotating shaft 12 of the frame body 7. The electric lock has a dead bolt 13a protruding from the surface facing the opening 7d of the vertical frame 7c when performing the locking operation. Moreover, the door end side end surface of the child door 11 has a hole 11c that opens facing the dead bolt in the closed position. Thus, a child door lock mechanism that locks the child door 11 in the closed position is constituted by the electric lock 13 and the hole 11c.

  An operation panel 14 is provided on the frame 7 of the ventilation unit C, for example, on the indoor side surface of the vertical frame 7c. The operation panel is provided with an open / close switch 14a that is manually operated to open or close at least the child door. A control unit 15 that controls the geared motor 9 and the electric lock 13 is provided in the vertical frame 7c. The operation panel 14 and the control unit 15 can be attached to a place other than the ventilation unit C. However, when the operation panel 14 and the control unit 15 are provided in the ventilation unit C, there is an advantage that no separate installation work is required. In FIG. 6B, L1 and L2 are a power line and a control line.

  As illustrated in FIG. 9, the control unit 15 inputs a detection signal from each sensor, which will be described later, performs a necessary process, and controls the electric lock 13 based on the processing result of the process circuit. It has a control circuit 15b and a control circuit 15c for controlling the geared motor 9.

  An output signal when the child door opening / closing switch 14a is operated is input to the processing circuit 15a, and based on this, it is determined whether a condition for opening or closing the child door is satisfied, and the determination Based on the result, it outputs to the control circuit 15a and the control circuit 15b. When the opening condition is satisfied, the control circuit 15a gives a control signal to the electric lock 13 to unlock it, and the control circuit 15a gives the control signal to the geared motor 9 to rotate the rotary shaft 12 in a predetermined direction by a predetermined angle. The child door 11 is opened. When the closing condition is satisfied, the control circuit 15a gives a control signal to the electric lock to unlock it, and the control circuit 15b gives the control signal to the geared motor 9 to rotate the rotary shaft 12 in a predetermined direction at a predetermined angle. The child door 11 is opened by rotating.

  The ventilation unit C incorporating the geared motor 9, the gallery 10, the child door 11, the electrical top 13, the operation panel 14 and the control unit 15 as described above is provided in the opening 6 of the door body B as shown in FIGS. A connecting member 16 such as an angle member that is fitted and fixed to the outer periphery of the frame body 7 by welding or the like is fixed to the upper and lower and left and right panels 4 and 5 of the door body B from the indoor side by screws 17 or the like. Since it is fixed from the indoor side, it is impossible to illegally remove the entire ventilation unit from the outdoor side, and high crime prevention is provided.

  In a preferred embodiment of the present invention, a commercially available human sensor S1 such as an infrared sensor that senses that a person has approached the vent unit C at least outside the door, and optionally both sides inside and outside the door, within a certain range from the door. Is provided to the processing circuit 15a of the control unit 15 and when the detection signal is input, a control signal for closing the opened child door is provided to the geared motor 9 via the control circuit 15c. At the same time, a lock signal is given to the electric lock 13 through the control circuit 15b, and when no sense signal is inputted from the human sensor S1, an unlock signal is given to the electric lock 13 and the child is closed. The geared motor 9 is configured to give a control signal for opening the door.

  Thereby, when a child approaches the outside or inside of the entrance door when the child door is opened, the child door is automatically closed and locked. When the person moves away from the entrance door, the child door is automatically unlocked and the child door is opened. Therefore, it is possible to ventilate the entrance sufficiently with confidence, regardless of whether it is at home or going out. Furthermore, when the door body B is opened and closed, the child door 11 is closed in front thereof, so that it is safe.

  As illustrated in FIG. 9, various sensors normally installed indoors, for example, a smoke sensor S2, a heat sensor S3, or a gas leak sensor S4 are electrically connected to the control unit 15, and detection signals of the respective sensors. Is given to the control unit 15 so as to automatically open the closed child door in order to increase the air permeability of the entrance when abnormal smoke generation in the room, overheating such as an abnormally high temperature in the room, or gas leakage occurs. Better, it can facilitate the rapid dissipation or discharge of smoke, heat or leaking gases. Further, when combined with the fire sensor S5, the child door that is opened based on the detection of the occurrence of a fire is automatically closed, and the promotion of combustion due to the introduction of outside air when the opening is left can be suppressed. When the wind sensor and the rain sensor S6 are combined, the child door can be automatically closed based on strong wind or rain to prevent the strong wind from blowing into the entrance and contamination.

  As described above, the building door according to the present invention has a large opening, and therefore, when the child door is opened, a sufficient ventilation rate that cannot be obtained by the prior art can be secured. And unlike conventional screen door lattices, the use of a louver prevents the insertion of hands from the vent into the indoor side, so that the thumb turn of the locking device of the door body and the locking mechanism of the child door can be tampered with, It is possible to effectively prevent the door from being destroyed by a device such as the above. Furthermore, when the child door is closed, the indoor side cannot be seen through, and it is locked by the child door lock mechanism, so that it is possible to effectively prevent the destruction of the door and the introduction of dangerous goods from the gap in the louver. it can.

  In addition, the present invention provides an automatic opening / closing mechanism for the child door, thereby functionally connecting the crime prevention or disaster prevention sensor and the opening / closing mechanism for the child door to control the opening / closing of the child door according to environmental conditions. In the event of an emergency, the child door can be automatically closed to prevent or reduce damage, and the child door can be reopened at the time of anomaly avoidance or sedation to exhibit a sufficient ventilation function.

The front view seen from the outdoor side of the door for buildings which is one Example of this invention. Similarly rear view. The rear view in the state where the child door was opened. The longitudinal cross-sectional view of only a door frame and the door main body pivoted by this. Similarly a cross-sectional view. It is a figure which extracts and shows only a child door from the building door of FIG. 1, (a) is a front view, (b) is a rear view. FIG. 7 is an intermediate omitted cross-sectional view taken along line XX in FIG. 6. The intermediate abbreviation sectional view which followed the YY line of Drawing 6 similarly. The circuit diagram which shows an example of the control system of an electric lock and a drive part.

Explanation of symbols

A door frame B door body 6 opening C ventilation unit 7 frame body 8 drive body storage box 9 geared motor (drive body)
DESCRIPTION OF SYMBOLS 10 Garage 11 Child door 13 Electric lock 14 Operation panel 15 Control part S1 Human sensor S2 Smoke sensor S3 Heat sensor S4 Gas leak sensor S5 Fire sensor S6 Rain or wind sensor

Claims (5)

  A vertical opening is formed in the door body, a gallery is provided on the outdoor side of the opening, and a child door for opening and closing the opening is attached to the indoor side of the opening, and the child door is closed. A building door provided with a child door locking mechanism that locks in place.   A louver is provided on the outdoor side of the frame body, a child door is rotatably supported by a rotation shaft on the indoor side of the frame body, and a drive unit for rotating the rotation shaft is provided on the upper portion of the frame body. A vent unit formed by attaching a child door locking mechanism that locks the child door to the closed position is fitted to the opening of the door main body, and the frame is fixed to the door main body on the indoor side. The building door according to claim 1.   The building door according to claim 2, wherein the driving unit is electrically connected to a control unit that controls the rotation of the rotation shaft of the child door and the rotation angle thereof.   A human sensor that detects the presence or absence of a person within a certain range from the door is installed in the door body or ventilation unit, the child door that is open is closed based on the presence detection signal of the human sensor, and the closed state is based on the absence detection signal The building door according to claim 3, wherein a control unit for controlling the drive unit to open the child door is provided in the ventilation unit.   5. The building according to claim 3, wherein the control unit controls the drive unit so as to automatically open and close the child door based on a detection signal from a smoke sensor, a heat sensor, or a gas leak sensor. Door.

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