JP3031520U - Combined supply / exhaust top - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] An exhaust duct and an air supply / exhaust top are compactly assembled, and a composite type air supply / exhaust top is easily attached to minimize the amount of protrusion to the corridor side. SOLUTION: An inner box having an exhaust pipe attached to one side of a rear face is fitted into an outer box having an exhaust port provided on an upper front side and a plurality of air supply ports on a rear end peripheral surface, and A thin air supply / exhaust top having an exhaust chamber communicating with the exhaust port is provided with a smoke exhaust port substantially in the center of the surface. Inside the outer frame formed by attaching the supply cylinder to one of the cylinder holes provided above the smoke exhaust port, the connecting cylinder is attached to the large-diameter duct hole provided at the approximate center, and the cylinder holes are provided above. A rear end of the air supply / exhaust top is attached above the surface of a thin exhaust duct having a smoke exhaust chamber communicating with the smoke exhaust port. An air supply chamber that connects the air supply port and the cylinder is formed between the inner box of the air supply / exhaust top and the outer frame of the exhaust duct, and has a large-diameter opening in the center, and the entire shape is rectangular. The exhaust duct is attached to the surface of the substrate so as to be vertically movable.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a combined type air supply / exhaust top in which an exhaust duct for a gas range and an air supply / exhaust top for a forced air supply / exhaust water heater are compactly combined.

[0002]

[Prior art]

 Conventionally, in a high-rise house such as a housing complex or an apartment, especially a public housing, the ventilation window 2 provided on the kitchen wall surface 1 is set to a certain standard (170 × 170 or 250 × 250, etc.). When installing the gas range exhaust hood 3 and the air supply / exhaust box 12 of the forced air supply / exhaust type water heater 10 using the ventilation window 2, as shown in FIGS. 2, an exhaust hood 3 is attached to the outside of the hood 2, and exhaust gas generated by combustion of a gas range 4 shown in FIG. 2 is attached to the tip of a connecting cylinder 6 connected to a suction hood portion 5 installed above the outside. Is discharged to. Similarly, the forced air supply / exhaust type water heater 10 installed in the kitchen discharges the exhaust gas generated by combustion to the atmosphere from the exhaust port 13 of the air supply / exhaust box 12 attached to the outside of the building wall through the exhaust pipe 11a. On the other hand, on the other hand, fresh air is taken in from the air supply port 14 via the air supply cylinder 15 and the air supply pipe 11b for the water heater.

[0003]

[Problems to be solved by the device]

 As described above, if the exhaust hood 3 and the air supply / exhaust box 12 are mounted so as to project from the wall surface to the outside of the corridor, it will obstruct people passing through the corridor, and large and small protrusions protruding to the corridor side will be noticeable. It looked and looked bad. Further, in the vicinity of the ventilation window 2, a mounting port 17 required for inserting the supply cylinder 15 and the exhaust cylinder 16 connected to the supply / exhaust box 12 must be formed adjacent to the ventilation window, which is extremely difficult. It was an economy. An object of the present invention is to combine the exhaust duct and the air supply / exhaust top in a compact manner, to easily attach the composite type air supply / exhaust top, and to suppress the amount of protrusion to the corridor side.

[0004]

[Means for Solving the Problems]

 According to the present invention, a plurality of air supply ports are provided on the rear peripheral surface of a rectangular outer box having an exhaust port for a water heater on the upper front side. A thin air-conditioning top with a water heater exhaust chamber communicating with the exhaust port, and a pair of gas exhaust vents for the gas range above the front. A cylindrical hole is formed, and a large-diameter duct connecting cylinder is connected to the lower center of the rear face inside an outer frame in which a tip of the cylindrical hole is connected to one end of the cylindrical hole to project rearward. A thin exhaust duct in which an inner frame having a cylindrical hole portion is fitted, and a smoke exhaust chamber for a gas range provided inside the inner frame is connected to the smoke outlet; A large opening for inserting the cylinder and the exhaust duct is provided in the center, and a plurality of elongated holes for mounting the exhaust duct are formed on both sides, respectively. And a thin base frame with a square shape, and the exhaust pipe protruding to the back of the air supply / exhaust top mounted above the front of the exhaust duct penetrates through the exhaust duct, and the inner box of the air supply / exhaust top and the exhaust gas A supply cylinder, which communicates with the air supply chamber and is provided between the outer frame of the duct and the air supply port, penetrates the exhaust duct and attaches the exhaust duct to the base frame so as to be vertically movable. It is characterized by Further, according to the present invention, the outer box forming the air supply / exhaust top is mounted on the front upper part of the exhaust duct through a stopper provided on the rear surface of the inner box, which is provided with an air supply port on the rear peripheral surface. An air supply chamber having a plurality of air supply ports on the peripheral surface is provided between the air supply / exhaust top and an exhaust duct having a smoke exhaust port at the lower front surface. Further, according to the present invention, a drip-proof plate attached to the tip of an exhaust pipe connected to one side of the back surface of the inner box constituting the air supply / exhaust top is mounted in the inner box, and a drain hole is provided in the lower part. Characterize.

Therefore, by combining the exhaust duct and the air supply / exhaust top to form a thin body as a whole, it is possible to reduce the protrusion to the corridor side and eliminate the passage obstacle. This combined air supply / exhaust top can be installed easily and efficiently because the exhaust duct and the air supply / exhaust top can be installed together instead of separately. Furthermore, the exhaust duct connecting pipe located on the indoor side, the suction hood of the gas range, the supply / exhaust pipe of the top of the air supply / exhaust, and the supply / exhaust pipe of the forced air supply type water heater are connected separately. Evacuate.

[0006]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. 3 to 13. In FIGS. 3 and 5, a composite air supply / exhaust top 21 is a thin rectangular air supply / exhaust top 22 and a vertically elongated rectangular thin shape. The exhaust duct 39 and the base frame 61, which is also thin and has a vertically long rectangular shape, are formed.

The air supply / exhaust top 22 is fitted with an inner box 30 formed of a thin plate member inside an outer box 23 formed of a thin plate member in a thin box shape with an open rear surface, and an exhaust chamber 35 inside. Has been formed. 6 and 7, the outer box 23 is formed by bending a plate piece 25 at an angle of about 60 degrees to form a plurality of exhaust ports 24 above the front surface, and exhaust gas is exhausted upward from the exhaust ports. be able to. Reference numeral 26 is an air supply port formed by notching the rear end peripheral surface of the outer case, and is for taking in the outside air to the forced air supply / exhaust type water heater 10. Reference numeral 27 is a screw hole provided on both sides of the upper and lower air supply ports 26, 26, and a drain hole 28 is provided at the center of the bottom surface. In this inner box 30, the tip of an exhaust tube 32 is connected to a tube hole 31 provided at one side on the lower back side, and a drip-proof plate 33 is installed in the inner box as shown in FIG. A second drain hole 34 is provided on the bottom surface of the inner box to prevent it from entering the cylinder 32 and to coincide with the drain hole 28 of the outer box 23. When the inner box 30 is fitted in the outer box 23, the air supply / exhaust top 22 formed by being positioned in front of the air supply port 24 of the outer box is attached above the front surface of the exhaust duct 39. An air supply chamber 36 having air supply ports 26 is formed on the peripheral surface between the inner box 30 and the exhaust duct 39.

The exhaust duct 39 shown in FIG. 5 has a thin box-shaped outer frame 41 with an open rear surface, and an inner frame 51 having the same thin box shape is fitted into the outer frame 41 to form a thin overall thickness. A smoke exhaust chamber 40 is formed inside the outer frame 41. This outer frame 41 is formed by bending a smoke exhaust plate 43, which forms a smoke exhaust port 42 provided on the lower front side, into an elevation angle of about 60 degrees as shown in FIGS. It can be discharged downward. The tip of a supply cylinder 46 communicating with the air supply chamber 36 is connected to one of the cylinder holes 44, 45 provided on the left and right above the smoke exhaust port 42. Screw holes 47 for mounting the air supply / exhaust top 22 are provided around the cylindrical holes 44, 45. Small holes 49 for fixing the inner frame 51 are provided on both sides of the upper flat portion 48a and the lower flat portion 48b of the outer frame 41, and the central portion of the lower flat portion 48b penetrates into the smoke exhaust chamber 40. A drain hole 50 for discharging the raindrops is provided.

A duct connection cylinder 59 is attached to a slightly larger diameter duct hole 52 provided in the center of the back surface of the inner frame 51, and the two cylinder hole portions 54, 54 provided on the left and right above the duct hole 52 are provided with the above-mentioned feed holes. The exhaust cylinder 32 of the exhaust top 22 and the supply cylinder 46 connected to the back surface of the outer frame 41 are inserted respectively. Mounting holes 55 for fixing a base frame 61, which will be described later, are provided at substantially four corners of the inner frame 51, and a second small hole matching the small holes 49 of the outer frame 41 is provided at substantially both ends of the upper surface 51a of the inner frame. A hole 56 is formed, and a second drain hole 57 that matches the drain hole 50 of the outer frame 41 is provided on the lower surface portion 51b.

The base frame 61 has a thin overall structure and is provided with a collar portion 62 on the periphery thereof. When the base frame is attached so as to cover the ventilation window 2 provided on the wall surface 1, the blind of the ventilation window and the window edge It is made slightly larger to make mounting difficult due to the difference in shape. A large rectangular opening 63 is provided in the center of the base frame 61, and the duct connecting cylinder 59, the supply cylinder 46 and the exhaust cylinder 32 are inserted therethrough. Reference numeral 65 designates elongated holes located on both sides of the opening 63 and provided at regular intervals. When attaching the combined air supply / exhaust top 21 to the ventilation window 2 as shown in FIGS. When the opening diameters of the front edge and the rear edge are different depending on the thickness, the attachment position of the exhaust duct 39 attached to the base frame 61 can be adjusted in the vertical direction and easily attached. 67 is a screw hole for fixing the base frame, which is provided at each of the four corners of the base frame 61, 71 is a U-shaped stopper, and screw holes 72 for connecting the outer box 23 are provided on the upper surface and are provided on the side surfaces. A screw hole 73 for connecting the outer frame 41 of the exhaust duct is provided. Reference numeral 75 is a screw, and the screw holes 67 and 73 can be used as rivet holes, respectively, and can be riveted or welded, but if screwed, they can be disassembled.

Regarding the air supply / exhaust top 22, the installation procedure of the forced air supply / exhaust type water heater 10 states that “the distance between the combustion exhaust gas outlet of the air supply / exhaust cylinder top and the opening of the exhaust duct must be 150 mm or more.” Although specified, as shown in FIG. 12, the exhaust port 24 of the air supply / exhaust cylinder top 22 is provided above and the smoke exhaust port 42 provided below the rectangular-shaped gas range exhaust duct 39, and A creepage distance X of 150 mm or more can be provided between the exhaust port 24 and the exhaust port 24.

Next, the operation of the present embodiment will be described. In the composite type air supply / exhaust top 21, the air supply / exhaust top 22 formed by combining the thin outer box 23 and the inner box 30 is formed in the outer frame 41. A thin exhaust duct 39 formed by fitting the inner frame 51 in the outer frame 41 is attached to the center of the base frame 61. As shown in FIG. 3, when the combined air supply / exhaust top 21 is mounted on the ventilation window 2 provided on the wall of public housing, etc., the rear end of the combined air supply / exhaust top 21 is ventilated from the outside of the wall (corridor side). Insert in window 2. At this time, the duct connecting cylinder 59 for the exhaust duct, the exhaust cylinder 32, and the supply cylinder 46 are installed in the elongated hole 65 at the mounting position of the exhaust duct 39 shown in FIGS. 8 and 9 so as not to hit the inner surface of the ventilation window 2. The base frame 61 can be moved upward and downward for adjustment by using the screw 75 inserted as a fulcrum.

A screw 75 or a rivet can be inserted into the screw hole 67 of the base frame 61 to be easily attached to the wall surface 1, and the worker can safely work because there is no need to work outside the veranda side. . Further, when the duct connecting cylinder 59 and the exhaust duct 39 of the gas range 4 are connected by the connecting cylinder 6, the exhaust port 32 of the air supply / exhaust top 22 and the exhaust pipe 11 of the water heater are connected by the exhaust pipe, and the air supply port 26 The connecting work can be completed simply by connecting the supply cylinder 46 and the exhaust pipe 11. Furthermore, when installing the combined air supply / exhaust top 21 in a kitchen or the like, it is not necessary to enlarge the existing ventilation window 2, and the conventional ventilation window 2 can be used as it is, so the installation work is simple and labor is saved. It can be done efficiently and the work can be completed in a short time.

Of the air supply / exhaust by the combined air supply / exhaust top 21, the air supply / exhaust to the forced air supply / exhaust water heater 10 is as shown in FIGS. 11 and 13, and the air is supplied from the air supply port 26 of the air supply / exhaust top 22. Air enters the air supply chamber 36, and is supplied to the water heater 10 through the cylinder 46. Further, the exhaust gas from the water heater 10 is exhausted from the exhaust pipe 32 to the outside through the exhaust chamber 35 of the air supply / exhaust top 22 through the exhaust port 24. The exhaust gas discharged from the exhaust port 24 is discharged upward along the inclination of the plate piece 25. Further, the smoke exhausted from the gas range 4 enters the smoke exhaust chamber 40 of the exhaust duct 39 from the connecting cylinder 6 through the duct connecting cylinder 59 and is exhausted to the outside from the smoke exhaust port 42 as shown in FIG. It is a thing. The smoke exhausted from the smoke exhaust port 42 is exhausted downward due to the effect of the smoke exhaust plate 43 to prevent backflow into the air supply port 26 provided around the air supply / exhaust top 22.

[0015]

[Effect of device]

 The present invention has the following effects. The combined type air supply / exhaust top is made thin and vertically long, and the exhaust duct and air supply / exhaust top are made thin.Therefore, the required creepage distance between the smoke exhaust port of the exhaust duct and the exhaust port of the air supply / exhaust top is reduced. Since it is installed and formed compactly, it is possible to prevent passage obstacles by reducing the protruding portion to the corridor side and to improve the appearance of the corridor. The installation work of the combined air supply / exhaust top can be done by simply inserting the duct connection tube, the exhaust tube, and the air supply tube into the ventilation window from the corridor side, increasing work efficiency and reducing costs. And can be installed safely. Since it has a simple structure in which the exhaust duct and the air supply / exhaust top are mounted together in a compact manner in front of the base frame, it has the advantage of being economical in production cost and economical. Since the base frame is formed in a rather large size, it can cover the ventilation window.Because the exhaust ducts are attached to a plurality of long holes provided in this base frame, the position of the exhaust duct can be adjusted upward. it can.

[Submission date] June 19, 1996

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content] [Detailed description of the device]

[0001]

TECHNICAL FIELD The present invention relates to a composite type air supply / exhaust top in which an exhaust duct for a gas range and an air supply / exhaust top for a forced air supply / exhaust water heater are compactly combined.

[0002]

[Prior art]

 Conventionally, in a high-rise house such as a housing complex or an apartment, especially a public housing, the ventilation window 2 provided on the kitchen wall surface 1 is set to a certain standard (170 × 170 or 250 × 250, etc.). When using the ventilation window 2 to mount the gas range exhaust hood 3 and the air supply / exhaust box 12 of the forced air supply / exhaust type water heater 10, as shown in FIGS. The exhaust hood 3 is attached to the outside, and the exhaust gas generated by the combustion of the gas range 4 shown in FIG. 2 is attached to the tip of the connecting cylinder 6 connected to the suction hood portion 5 installed above and discharged to the outside of the room. Similarly, the forced air supply / exhaust type water heater 10 installed in the kitchen discharges the exhaust gas generated by combustion to the atmosphere from the exhaust port 13 of the air supply / exhaust box 12 attached to the outside of the building wall through the exhaust pipe 11a. On the other hand, on the other hand, fresh air is taken in from the air supply port 14 via the air supply cylinder 15 and the air supply pipe 11b for the water heater.

[0003]

[Problems to be solved by the device]

 If the exhaust hood 3 and the air supply / exhaust box 12 are mounted so as to project from the wall surface to the outside of the corridor as described above, it will obstruct people passing through the corridor, and large and small protrusions protruding to the corridor side will be visible. It looked bad. Further, in the vicinity of the ventilation window 2, a mounting port 17 required for inserting the supply cylinder 15 and the exhaust cylinder 16 connected to the supply / exhaust box 12 must be formed adjacent to the ventilation window, which is extremely difficult. It was an economy. An object of the present invention is to combine the exhaust duct and the air supply / exhaust top in a compact manner, to easily attach the composite type air supply / exhaust top, and to suppress the amount of protrusion to the corridor side.

[0004]

[Means for Solving the Problems]

 According to the present invention, a plurality of air supply ports are provided on the rear peripheral surface of a rectangular outer box having an exhaust port for a water heater on the upper front side. A thin air-conditioning top with a water heater exhaust chamber communicating with the exhaust port, and a pair of gas exhaust vents for the gas range above the front. A cylindrical hole is formed, and a large-diameter duct connecting cylinder is connected to the lower center of the rear face inside an outer frame in which a tip of the cylindrical hole is connected to one end of the cylindrical hole to project rearward. A thin exhaust duct in which an inner frame having a cylindrical hole portion is fitted, and a smoke exhaust chamber for a gas range provided inside the inner frame is connected to the smoke outlet; A large opening for inserting the cylinder and the exhaust duct is provided in the center, and a plurality of elongated holes for mounting the exhaust duct are formed on both sides, respectively. And a thin base frame with a square shape, and the exhaust pipe protruding to the back of the air supply / exhaust top mounted above the front of the exhaust duct penetrates through the exhaust duct, and the inner box of the air supply / exhaust top and the exhaust gas A supply cylinder communicating with an air supply chamber provided between the outer frame of the duct and the air supply port penetrates the exhaust duct, and the exhaust duct is attached to the base frame so as to be movable up and down. It is characterized by Further, according to the present invention, the outer box constituting the air supply / exhaust top is mounted on the front upper part of the exhaust duct through a metal fitting provided on the rear surface of the inner box, which is provided with an air supply port on the rear peripheral surface, and is attached to the back of the inner box. An air supply chamber having a plurality of air supply ports on the peripheral surface is provided between the air supply / exhaust top and an exhaust duct having a smoke exhaust port on the lower front surface. Further, the present invention is characterized in that a drip-proof plate attached to the tip of an exhaust pipe connected to one side of the back surface of the inner box constituting the air supply / exhaust top is attached inside the inner box, and a drain hole is provided in the lower portion. And

Therefore, by combining the exhaust duct and the air supply / exhaust top to form a thin body as a whole, it is possible to reduce the protrusion to the corridor side and eliminate the passage obstacle. This combined air supply / exhaust top can be installed easily and efficiently because the exhaust duct and the air supply / exhaust top can be installed together instead of separately. In addition, the exhaust duct connecting tube located on the indoor side, the suction hood of the gas range, the air supply / exhaust tube of the top air supply / exhaust, and the air supply / exhaust pipe of the forced air supply / exhaust water heater are connected separately to supply and exhaust air. .

[0006]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. 3 to 13. In FIGS. 3 and 5, a composite air supply / exhaust top 21 is a thin rectangular air supply / exhaust top 22 and a vertically elongated rectangular thin shape. The exhaust duct 39 and the base frame 61, which is also thin and has a vertically long rectangular shape, are formed.

The air supply / exhaust top 22 is fitted with an inner box 30 formed of a thin plate member inside an outer box 23 formed of a thin plate member in a thin box shape with an open rear surface, and an exhaust chamber 35 inside. Has been formed. 6 and 7, the outer box 23 is formed by bending a plate piece 25 at an angle of about 60 degrees to form a plurality of exhaust ports 24 above the front surface, and exhaust gas is exhausted upward from the exhaust ports. be able to. Reference numeral 26 is an air supply port formed by notching the rear end peripheral surface of the outer case, and is for taking in the outside air to the forced air supply / exhaust type water heater 10. Reference numeral 27 is a screw hole provided on both sides of the upper and lower air supply ports 26, 26, and a drain hole 28 is provided at the center of the bottom surface. In this inner box 30, the tip of an exhaust tube 32 is connected to a tube hole 31 provided at one side on the lower back side, and a drip-proof plate 33 is installed in the inner box as shown in FIG. A second drain hole 34 is provided on the bottom surface of the inner box to prevent it from entering the cylinder 32 and to coincide with the drain hole 28 of the outer box 23. When the inner box 30 is fitted into the outer box 23, the air supply / exhaust top 22 formed by being positioned in front of the air supply port 24 of the outer box is attached above the front surface of the exhaust duct 39. An air supply chamber 36 having air supply ports 26 is formed on the peripheral surface between the inner box 30 and the exhaust duct 39.

The exhaust duct 39 shown in FIG. 5 has a thin box-shaped outer frame 41 with an open rear surface, and an inner frame 51 having the same thin box shape is fitted into the outer frame 41 to form a thin overall thickness. A smoke exhaust chamber 40 is formed inside the outer frame 41. This outer frame 41 is formed by bending a smoke exhaust plate 43, which forms a smoke exhaust port 42 provided on the lower front side, into an elevation angle of about 60 degrees as shown in FIGS. It can be discharged downward. The tip of a supply cylinder 46 communicating with the air supply chamber 36 is connected to one of the cylinder holes 44, 45 provided on the left and right above the smoke exhaust port 42. Screw holes 47 for mounting the air supply / exhaust top 22 are provided around the cylindrical holes 44, 45. Small holes 49 for fixing the inner frame 51 are provided on both sides of the upper flat portion 48a and the lower flat portion 48b of the outer frame 41, and the central portion of the lower flat portion 48b penetrates into the smoke exhaust chamber 40. A drain hole 50 for discharging the raindrops is provided.

A duct connection cylinder 59 is attached to a slightly larger diameter duct hole 52 provided in the center of the back surface of the inner frame 51, and the two cylinder hole portions 54, 54 provided on the left and right above the duct hole 52 are provided with the above-mentioned feed holes. The exhaust cylinder 32 of the exhaust top 22 and the supply cylinder 46 connected to the back surface of the outer frame 41 are inserted respectively. Mounting holes 55 for fixing a base frame 61, which will be described later, are provided at substantially four corners of the inner frame 51, and a second small hole matching the small holes 49 of the outer frame 41 is provided at substantially both ends of the upper surface 51a of the inner frame. A hole 56 is formed, and a second drain hole 57 that matches the drain hole 50 of the outer frame 41 is provided on the lower surface portion 51b.

The base frame 61 has a thin overall structure and is provided with a collar portion 62 on the periphery thereof. When the base frame is attached so as to cover the ventilation window 2 provided on the wall surface 1, the blind of the ventilation window and the window edge It is made slightly larger to make mounting difficult due to the difference in shape. A large rectangular opening 63 is provided in the center of the base frame 61, and the duct connecting cylinder 59, the supply cylinder 46 and the exhaust cylinder 32 are inserted therethrough. Reference numeral 65 designates elongated holes located on both sides of the opening 63 and provided at regular intervals. When attaching the combined air supply / exhaust top 21 to the ventilation window 2 as shown in FIGS. When the opening diameters of the front edge and the rear edge are different depending on the thickness, the attachment position of the exhaust duct 39 attached to the base frame 61 can be adjusted in the vertical direction and easily attached. 67 is a screw hole for fixing the base frame, which is provided at each of the four corners of the base frame 61, 71 is a U-shaped stopper, and screw holes 72 for connecting the outer box 23 are provided on the upper surface and are provided on the side surfaces. A screw hole 73 for connecting the outer frame 41 of the exhaust duct is provided. Reference numeral 75 is a screw, and the screw holes 67 and 73 can be used as rivet holes, respectively, and can be riveted or welded, but if screwed, they can be disassembled.

Regarding the air supply / exhaust top 22, the installation procedure of the forced air supply / exhaust type water heater 10 states that “the distance between the combustion exhaust gas outlet of the air supply / exhaust cylinder top and the opening of the exhaust duct must be 150 mm or more.” Although specified, as shown in FIG. 12, the exhaust port 24 of the air supply / exhaust cylinder top 22 is provided above and the smoke exhaust port 42 provided below the rectangular-shaped gas range exhaust duct 39, and A creepage distance X of 150 mm or more can be provided between the exhaust port 24 and the exhaust port 24.

Next, the operation of the present embodiment will be described. In the composite type air supply / exhaust top 21, the air supply / exhaust top 22 formed by combining the thin outer box 23 and the inner box 30 is formed in the outer frame 41. A thin exhaust duct 39 formed by fitting the inner frame 51 in the outer frame 41 is attached to the center of the base frame 61. As shown in FIG. 3, when the combined air supply / exhaust top 21 is mounted on the ventilation window 2 provided on the wall of public housing, etc., the rear end of the combined air supply / exhaust top 21 is ventilated from the outside of the wall (corridor side). Insert in window 2. At this time, the duct connecting cylinder 59 for the exhaust duct, the exhaust cylinder 32, and the supply cylinder 46 are installed in the elongated hole 65 at the mounting position of the exhaust duct 39 shown in FIGS. 8 and 9 so as not to hit the inner surface of the ventilation window 2. The base frame 61 can be moved upward and downward for adjustment by using the screw 75 inserted as a fulcrum.

A screw 75 or a rivet can be inserted into the screw hole 67 of the base frame 61 to be easily attached to the wall surface 1, and the worker can safely work because there is no need to work outside the veranda side. . Further, when the duct connecting cylinder 59 and the exhaust duct 39 of the gas range 4 are connected by the connecting cylinder 6, the exhaust port 32 of the air supply / exhaust top 22 and the exhaust pipe 11 of the water heater are connected by the exhaust pipe, and the air supply port 26 The connecting work can be completed simply by connecting the supply cylinder 46 and the exhaust pipe 11. Furthermore, when installing the combined air supply / exhaust top 21 in a kitchen or the like, it is not necessary to enlarge the existing ventilation window 2, and the conventional ventilation window 2 can be used as it is, so the installation work is simple and labor is saved. It can be done efficiently and the work can be completed in a short time.

Of the air supply / exhaust by the combined air supply / exhaust top 21, the air supply / exhaust to the forced air supply / exhaust water heater 10 is as shown in FIGS. 11 and 13, and the air is supplied from the air supply port 26 of the air supply / exhaust top 22. Air enters the air supply chamber 36, and is supplied to the water heater 10 through the cylinder 46. Further, the exhaust gas from the water heater 10 is exhausted from the exhaust pipe 32 to the outside through the exhaust chamber 35 of the air supply / exhaust top 22 through the exhaust port 24. The exhaust gas discharged from the exhaust port 24 is discharged upward along the inclination of the plate piece 25. Further, the smoke exhausted from the gas range 4 enters the smoke exhaust chamber 40 of the exhaust duct 39 from the connecting cylinder 6 through the duct connecting cylinder 59 and is exhausted to the outside from the smoke exhaust port 42 as shown in FIG. It is a thing. The smoke exhausted from the smoke exhaust port 42 is exhausted downward due to the effect of the smoke exhaust plate 43 to prevent backflow into the air supply port 26 provided around the air supply / exhaust top 22.

[0015]

[Effect of device]

 The present invention has the following effects. The combined type air supply / exhaust top is made thin and vertically long, and the exhaust duct and air supply / exhaust top are made thin.Therefore, the required creepage distance between the smoke exhaust port of the exhaust duct and the exhaust port of the air supply / exhaust top is reduced. Since it is installed and formed compactly, it is possible to prevent passage obstacles by reducing the protruding portion to the corridor side and to improve the appearance of the corridor. The installation work of the combined air supply / exhaust top can be done by simply inserting the duct connection tube, the exhaust tube, and the air supply tube into the ventilation window from the corridor side, increasing work efficiency and reducing costs. And can be installed safely. Since it has a simple structure in which the exhaust duct and the air supply / exhaust top are mounted together in a compact manner in front of the base frame, it has the advantage of being economical in production cost and economical. Since the base frame is formed in a rather large size, it can cover the ventilation window.Because the exhaust ducts are attached to a plurality of long holes provided in this base frame, the position of the exhaust duct can be adjusted upward. it can.

[Brief description of drawings]

[Figure 1] Conventional range exhaust fan attached to the ventilation window on the wall
It is a perspective view of a door and an air supply / exhaust box.

FIG. 2 is an explanatory view showing a mounting state of a forced air supply / exhaust type water heater and a gas range installed in a kitchen room of a public housing.

FIG. 3 is a perspective view showing a state in which the combined air supply / exhaust top according to the present invention is externally attached to an opening provided in a wall surface of a building.

FIG. 4 is a cross-sectional view showing a state immediately before the combined air supply / exhaust top is attached to a ventilation window provided on a wall surface of a building and a connecting cylinder from a gas range is connected.

FIG. 5 is an exploded perspective view of each component of the composite type air supply / exhaust top.

FIG. 6 is a cross-sectional view showing a state immediately before assembling the air supply / exhaust top.

FIG. 7 is a perspective view from the back surface of the assembled air supply / exhaust top.

FIG. 8 is a rear view of the combined air supply / exhaust top.

FIG. 9 is a partially cutaway side view showing a state in which an exhaust duct is moved up and down to be adjusted.

FIG. 10 is a front view of a combined air supply / exhaust top.

FIG. 11 is a diagram showing exhaust and air supply of a forced air supply / exhaust water heater.
It is the AA sectional view taken on the line of 0.

FIG. 12B- of FIG. 10 showing the flow of exhaust of the gas range
It is a B sectional view.

FIG. 13 is a diagram showing a flow of air supply of a forced air supply / exhaust type water heater.
It is CC sectional view taken on the line C-C of FIG.

[Explanation of symbols]

 21 Combined Type Air Supply / Exhaust Top 22 Air Supply / Exhaust Top 23 Outer Box 24 Exhaust Port 26 Air Supply Port 30 Inner Box 32 Exhaust Cylinder 35 Exhaust Chamber 36 Air Supply Chamber 39 Exhaust Duct 40 Smoke Chamber 41 Outer Frame 42 Smoke Vessel 44 Cylinder Hole 45 Cylindrical Hole 46 Supply Cylinder 51 Inner Frame 54 Cylindrical Hole 59 Duct Connection Cylinder 61 Base Frame 63 Opening 65 Elongated Hole 71 Fastener

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[Procedure amendment]

[Submission date] June 19, 1996

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Name of device] Combined air supply and exhaust top

[Scope of utility model registration request]

[Brief description of drawings]

FIG. 1 is a perspective view of a conventional range exhaust hood and air supply / exhaust box attached to a ventilation window on a wall surface.

FIG. 2 is an explanatory view showing a mounting state of a forced air supply / exhaust type water heater and a gas range installed in a kitchen room of a public housing.

FIG. 3 is a perspective view showing a state in which the combined air supply / exhaust top according to the present invention is externally attached to an opening provided in a wall surface of a building.

FIG. 4 is a cross-sectional view showing a state immediately before the combined air supply / exhaust top is attached to a ventilation window provided on a wall surface of a building and a connecting cylinder from a gas range is connected.

FIG. 5 is an exploded perspective view of each component of the composite type air supply / exhaust top.

FIG. 6 is a cross-sectional view showing a state immediately before assembling the air supply / exhaust top.

FIG. 7 is a perspective view from the back surface of the assembled air supply / exhaust top.

FIG. 8 is a rear view of the combined air supply / exhaust top.

FIG. 9 is a partially cutaway side view showing a state in which an exhaust duct is moved up and down to be adjusted.

FIG. 10 is a front view of a combined air supply / exhaust top.

FIG. 11 is a diagram showing exhaust and air supply of a forced air supply / exhaust water heater.
It is the AA sectional view taken on the line of 0.

FIG. 12B- of FIG. 10 showing the flow of exhaust of the gas range
It is a B sectional view.

FIG. 13 is a diagram showing a flow of air supply of a forced air supply / exhaust type water heater.
It is CC sectional view taken on the line C-C of FIG.

[Explanation of Codes] 21 Combined Supply / Exhaust Top 22 Supply / Exhaust Top 23 Outer Box 24 Exhaust Port 26 Air Supply Port 30 Inner Box 32 Exhaust Cylinder 35 Exhaust Chamber 36 Air Supply Chamber 39 Exhaust Duct 40 Smoke Chamber 41 Outer Frame 42 Exhaust Smoke port 44 Cylinder hole 45 Cylinder hole 46 Supply cylinder 51 Inner frame 54 Cylinder hole 59 Duct connection cylinder 61 Base frame 63 Opening 65 Elongated hole 71 Fastener

Claims (3)

[Scope of utility model registration request] 1. A plurality of air supply ports are provided respectively on a rear peripheral surface of a rectangular outer box having an exhaust port for a water heater on an upper front side, and an exhaust port for the water heater is provided on one side of the rear face inside the outer box. A thin air supply / exhaust top in which an inner box connecting cylinders is fitted and an exhaust chamber for a water heater that communicates with the exhaust port is formed inside, and a pair above the exhaust port for a gas range provided on the lower front side. A cylindrical hole is formed, and a large diameter duct connecting cylinder is connected to the lower center of the rear face in an outer frame in which a supply cylinder is connected to one end of the cylindrical hole and protrudes rearward. A thin exhaust duct in which an inner frame having a cylindrical hole portion is fitted, and a smoke exhaust chamber for a gas range provided inside the inner frame communicates with the smoke exhaust port; A large opening for inserting the exhaust duct is provided in the center, and a plurality of elongated holes for mounting the exhaust duct are formed on both sides to form an overall structure. A thin base frame provided in a rectangular shape, and the exhaust cylinder projecting to the back of the air supply / exhaust top mounted above the front surface of the exhaust duct penetrates the exhaust duct, and the inner box of the air supply / exhaust top and the exhaust duct. A cylinder for supplying air, which communicates with the air supply chamber and communicates with the air supply port, penetrates the exhaust duct, and the exhaust duct is attached to the base frame so as to be vertically movable. Combined type air supply / exhaust top. 2. The outer box forming the air supply / exhaust top is mounted on the front upper part of the exhaust duct via a metal fitting provided on the rear peripheral surface of the inner box for accommodating the air supply port on the rear surface thereof. 2. The composite according to claim 1, wherein an air supply chamber having a plurality of air supply ports is provided on a peripheral surface between the air supply / exhaust top and an exhaust duct having a smoke exhaust port at a lower front surface. Mold supply and exhaust top. 3. A drip-proof plate attached to the front end of an exhaust pipe connected to one side of the rear face of the inner box constituting the air supply / exhaust top is attached inside the inner box, and a drain hole is provided in the lower portion. The composite type air supply / exhaust top according to claim 1 or 2.