JPH0594635U - Hooded shirt - Google Patents

Abstract

(57) [Abstract] [Purpose] Eliminates wind, rain, noise, dust, etc. that enter the room through the exhaust port of the hood of the building, and in particular in cold regions, prevents the entry of cold air and reduces heat energy loss. The heating effect can be increased. [Structure] A shutter plate (3a) and a weight (6) are arranged at both ends of an arm plate (5) provided with a rotary shaft (4), and the rotary shaft (4) is further provided through a sandwiching plate (8). Further, the bolt (10) is further passed through the sandwiching plate (8) and the wing nut (11) is used to fix the shaft. In addition, a push plate (16) is attached to the shutter plate (3b) having elasticity and a sandwiching portion (15) is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a ventilation device with a shutter that can be attached to and detached from an exhaust port of a ventilation hood.

[0002]

[Prior Art]

 Conventionally, a building has a forced ventilation fan and a shutter on the indoor side, and the inside and outside of the room are partitioned only by the hood attached to the outer wall and the shutter on the indoor side, and the exhaust port of this hood is open. Therefore, strong wind, rain, cold, and noise easily intruded, and the discharged oil smoke and dust invaded the area around the exhaust port and the shutter significantly.

[0003]

[Means for Solving the Problems]

 In order to eliminate the above drawbacks, the present invention does not remodel the existing forced ventilation shutters and hoods on the indoor side, so that the hood shutter of the present invention can be attached to and detached from the exhaust port of the current hood. It is attached.

[0004]

[Action]

 As shown in FIGS. 1, 2 and 5, the hood (7) is sandwiched by the sandwiching plates (8) on both sides of the shutter plate (3a), and the butterflies (8) are penetrated by the bolts (10). The shutter plate (3a) is fixed by fixing it with a nut (11). When the indoor pressure (13) is generated and the exhaust port (2) is discharged, the shutter plate (3a) is a weight with the rotating shaft as a fulcrum. Due to the balance with (6), the exhaust port (2) is opened, and when there is no indoor pressure (13) or when there is wind outside the room, the above is reversed, and the shutter plate (3a) rotates about its axis to close the exhaust port ..

Further, this shutter plate (3b) using the material having elasticity shown in FIGS. 3, 4, and 6 sandwiches the pressing plate (16) and the end edge (18) of the hood (15). ), The shutter plate (3a) bends downward due to its elasticity only when the room pressure (13) is released, and the exhaust port is cut off when there is no room pressure (13). ..

First Embodiment A hood shutter (1a) according to a first embodiment will be described with reference to FIGS. 1, 2, and 5. In the practical example 1, each arm plate (5) is arranged at both ends of a long side (9) of a plastic rectangular shutter plate (3a) and both ends of a bar-shaped weight (6). Rotating shafts (4) are respectively installed parallel to the long sides (9) at the positions where the plate (5) and the shutter (3a) are installed. Each rotating shaft (4) is a circular sandwich plate ( 8) Insert into the shaft hole (14) at the edge of the edge, open a bolt hole (17) at the center position of each sandwich plate (8), let the bolt (10) penetrate, and use the wing nut (11). The shutter plate (3a) is fixed to the shaft, and the joint part of the weight (6) and the arm plate (5) is divided into both ends of the weight (6) so that the extreme end of the arm plate (5) can be inserted. Balance the weight with the weight (6) and tighten with the screw (12).

This is also to prevent the weight (6) from hitting the outer wall by making the arm plate (5) a crank type. Further, the distance between the rotary shaft (4) and the weight (6) is made small, and the shutter plate (3a) corresponding thereto has the entire area of the exhaust port (2). ) Is open, and when there is no room pressure (13), the exhaust port (2) is closed due to the balance with the weight (6).

[0008]

Second Embodiment A hood shutter (1b) according to a second embodiment shown in FIGS. 3, 4, and 6 uses a shutter plate (3b) made of a material having elasticity. The push plate (16) was attached to one long side (9) of the shutter plate (3b), and the sandwiching portions (15) were placed on both ends of the push plate (16). To attach this to the hood (7), the pressing plate (16), the shutter plate (3b), and the edge (18) are clamped together by the clamping section (15). Therefore, the shirt plate (3b) was cut and molded so that it fits tightly into the exhaust port (2).

In the hood shutter (1b) of the second embodiment configured as described above, when the indoor pressure (13) is generated, the shutter (3b) is curved downward to the outside of the room and pushed down. When there is no pressure (13), the exhaust port (2) is closed by its restoring force.

[0010]

[Effect of the device]

 The hood shutter (1a) and the hood shutter (1b) of the present invention not only prevent the entry of rain, strong wind, noise, dust, etc., but also have a great heating effect in the cold district and reduce the loss of heat energy. But it is very meaningful. Since the shutter plate (3b) can be made of a plastic heat insulating sheet or the like and has a simple structure, it can be manufactured at low cost, and it is easy to put on and take off.

[Brief description of drawings]

FIG. 1 is a schematic diagram illustrating a hood shutter (1) according to a first embodiment of the present invention.
It is sectional drawing which shows the example of attachment of a).

FIG. 2 is a perspective view of the first embodiment of the present invention.

FIG. 3 is a cross-sectional view showing an example of attaching a hood shutter (1b) to a hood (7) according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a second embodiment of the present invention.

FIG. 5 is a perspective view showing an example of attaching the hood shutter (1a) to the hood (7) according to the first embodiment of the present invention.

FIG. 6 is a perspective view showing an example of attaching the hood shutter (1b) to the hood (7) according to the second embodiment of the present invention.

[Explanation of Codes] 1a Hood shutter 1b Hood shutter 2 Exhaust port 3a Shutter plate 3b Shutter plate 4 Rotating shaft 5 Arm plate 6 Weight 7 Hood 8 Clamping plate 9 Long side 10 Bolt 11 Wing nut 12 Screw 13 Room pressure 14 Shaft hole 15 Clamping part 16 Push plate 17 Bolt hole 18 Edge

Claims (2)

[Scope of utility model registration request] 1. A shutter plate and a weight are respectively provided at both ends of an arm provided with a rotary shaft, and both ends of the rotary shaft are fitted with edges of a plate having a required shape. A hood shutter characterized by sandwiching the hood. 2. A shutter for a hood, characterized in that a shutter plate having elasticity is provided with a sandwiching portion at an appropriate position on one side, and an edge of an exhaust port of the hood is sandwiched by the sandwiching portion.