JP5201049B2 - Bathroom ventilation dryer - Google Patents

Description

The present invention relates to a bathroom ventilation / drying heater suitable for bathroom ventilation / heating and clothes drying.

Ventilation and heating installed in the bathroom to improve comfort, as well as bathroom ventilation and drying heaters that dry clothes are mostly installed on the ceiling of the bathroom, and are mounted with a dedicated ceiling installation frame. It is done. In addition, a metal duct is piped in the bathroom ventilation dryer, and the air in the bathroom is exhausted to the outside through the piped duct. For the connection between the duct and the main body, a pipe guide is provided in the main body, and a construction is performed in which the duct is inserted into the pipe guide and the surface of the connection portion is fixed with tape or the like.
The bathroom ventilation dryer / heater configured in this way needs to remove the bathroom ventilation dryer / heater main body from the ceiling when repairing or replacing the parts inside the main body. Therefore, there is a demand for a structure that cannot be removed from the ceiling and can be easily removed from the main body and the ducted pipe. From such a background, as a conventional method, a main body mounting frame of a size into which a box-shaped main body fits is temporarily fixed to an opening of a ceiling material, and a pipe guide is inserted from a hole provided on a side surface of the main body mounting frame. The structure is fixed with screws. In this construction method, the pipe guide fixed to the main body mounting frame and the duct piped to the ceiling are connected, and then the main body is inserted into the main body mounting frame, and the flange portion provided around the outer edge of the main body is used as the ceiling material. It is fixed with screws. By adopting such a configuration, it is not necessary to remove the duct piping, and a structure is adopted in which only the main body can be removed while leaving the pipe guide and the main body mounting frame on the ceiling. (For example, see Patent Document 1)
As another configuration, there are provided a box-shaped main body, a pipe guide for connecting the duct, and a positioning means for positioning an engagement portion provided on the upper portion of the pipe guide with the upper portion of the main body. It has been. In addition, when the relative position of the main body and the pipe guide is in a predetermined position, the lower part of the pipe guide is provided with a hooking claw that is in close contact with the main body, and the main body has an opening into which the hooking claw provided in the pipe guide is inserted The structure with is adopted. With such a configuration, the main body can be easily removed while leaving the pipe guide connected to the duct on the ceiling. (For example, see Patent Document 2)

JP 2000-227241 A Japanese Utility Model Publication No. 5-41312

However, in the configuration as in Patent Document 1, when the pipe guide is attached to the main body attachment frame, work at a high place near the ceiling is required, and in addition, since the work is performed using a fastening part such as a screw, It was difficult to align each part. In addition, it is necessary to use several screws (3 to 4) for the purpose of securing securely and preventing wind leakage from the connecting portion, and the mounting workability has been a problem, for example, it takes time to tighten. . Also, small parts such as screws are often dropped or lost in the bathroom, and work inefficiency has been a problem.
Moreover, since the structure like patent document 2 has the direction in which a main body inserts, and the direction of the hooking nail of a pipe guide become the same direction, when inserting a main body, the hooking nail of a pipe guide and Due to the interference, the hook claw of the pipe guide may be deformed. For this reason, by reworking the hooking claw and then inserting the main body without noticing the trouble of inserting the main body again or deformation, the main body and the pipe guide cannot be securely adhered, and air leakage from the connection part And abnormal noise such as vibration due to incomplete installation. In addition, since the insertion direction of the main body and the direction of the hook claw of the pipe guide are the same, the height of the bathroom ventilation dryer main body is required to some extent, which makes it difficult to reduce the size of the product, It was necessary to enlarge the main body construction space. Furthermore, in order to ensure sufficient strength to support the main body, there is a problem that it is necessary to provide a plurality of hooks.

  This invention was made to solve the above problems, and in the construction of the bathroom ventilation dryer / heater body, pipe guide and body mounting frame, positioning and fixing can be performed in a short time, It provides a bathroom ventilation dryer that reduces time.

  The second purpose is to reduce the overall height of the pipe guide, to reduce the height of the main body, and to improve the strength and reliability of the connection between the pipe guide, the main body and the main body mounting frame. It is a thing.

The ventilation device has a ventilation passage in the main body, has a suction port and a blowout port on the side of the main body, and is installed at a right angle adjacent to the side surface of the main body. A ventilation device having a flange portion, a main body attachment frame for attaching and fixing the ventilation device to a ceiling or the like, and a pipe guide fixed to the main body attachment frame and connected to a suction port and an outlet port of the ventilation device. . In this configuration, the main body mounting frame has two surfaces, a horizontal direction and a vertical direction, for fixing the pipe guide, and an opening for locking the pipe guide is provided in the vertical direction surface. Is composed of a cylindrical part connecting the duct and a plate part perpendicular to the axial direction of the cylindrical part, and this plate part is provided with a flange part and a locking part for fixing to the main body mounting frame. The flange portion of the pipe guide is sandwiched between the flange portion of the ventilation device and the horizontal surface of the main body mounting frame and fixed to the opening portion of the mounting frame from the longitudinal direction of the main body mounting frame . Is.

  In the present invention, the connection and fixing of the main body mounting frame, the pipe guide, and the main body can be easily positioned while being high, and the fixing can be performed in a short time, thereby shortening the working time. . Furthermore, the reliability of the connecting portion can be improved.

It is a perspective view of the bathroom ventilation drying heating machine which shows embodiment of this invention. It is a perspective view which shows the outline of the construction state which shows embodiment of this invention. It is a perspective view of a pipe guide showing an embodiment of this invention. It is a perspective view of the fitting state of the pipe guide and main body attachment frame which show embodiment of this invention. It is a perspective view of the latching | locking part which shows embodiment of this invention. It is a perspective view of the state in which the latching | locking part which shows embodiment of this invention was engaged. It is sectional drawing of the fitting state of the latching | locking part which shows embodiment of this invention. It is a side view of the construction state which shows embodiment of this invention.

Hereinafter, an embodiment of a bathroom ventilation dryer will be described in detail with reference to the drawings. The present invention is not limited to the embodiments described below.

  FIG. 1 is a perspective view showing an appearance of a bathroom ventilation drying / heating apparatus according to an embodiment of the present invention, which is installed on a ceiling of a bathroom in an actual installation state, and in FIG. 1 from the bathroom side in the installation state. The state which looked up is shown with the perspective view. Moreover, the bathroom ventilation drying heater shown in FIG. 1 represents the thing of the 2 or 3 room type which installs a main body in a bathroom and can respond also to ventilation, such as a toilet and a washroom. The bathroom ventilation / drying heater is not limited to this type, and other types such as a one-room type only in the bathroom and a type capable of interlocking operation with a heat exchange type ventilation fan are also applicable.

1 of FIG. 1 shows a box-shaped main body, and a ventilation fan 2 having a multi-blade blade and an electric motor is incorporated therein. Also, the side surface of the main body 1 is provided with an intake opening 1e that communicates with an intake pipe guide that forms an intake port, and is ducted to a washroom and a toilet, respectively, to ventilate the room It is. The intake opening 1e is not shown, but a plurality of intake openings 1e and 1b are provided on the side surfaces 1a and 1b, and the intake direction and the number of intake ports are selected at the time of construction in consideration of the layout of the house. It is possible to ventilate from one room only to the bathroom to three rooms such as the bathroom, bathroom, and toilet. A lower surface side 1c of the main body 1 is opened, and a flange 1d for attaching the decorative panel 4 to the ceiling or the like is provided around the opening 1c at the opening end. In the actual installation state, the decorative panel 4 appears on the bathroom side. The surface of the decorative panel 4 is provided with a suction port 5 for sucking in the air in the bathroom, and 5a of the suction port 5 is a ventilation suction port, and is communicated with the ventilation fan 2 of the main body 1 from the suction port 5a. A ventilation ventilation path 6 extending to the exhaust opening 1f communicating with the exhaust pipe guide forming the exhaust port is provided. The ventilation ventilation path 6 may be provided with a ventilation damper 6a for closing the air path. The side surface 1a or 1b of the main body 1 is provided with an exhaust opening 1f. The exhaust opening 1f is connected to the outside by a duct pipe or the like through an exhaust pipe guide, and an intake opening. The air sucked by the ventilation blower 2 from the part 1e and the ventilation inlet 5a is exhausted to the outside through the exhaust opening 1f. The exhaust opening 1f is not shown, but the main body side faces 1a and 1b are provided with duct connection points to the plurality of exhaust openings 1f so that the exhaust direction can be selected during construction. .
Further, the main body 1 includes a circulation fan 8 composed of multiblade blades and an electric motor, and a superheater 9 is incorporated downstream of the circulation fan 8. 5 b provided in the suction port 5 of the decorative panel 4 is an opening of the circulation suction port, and is provided at a position facing the suction port of the circulation fan 8. The air sucked by the circulation blower 8 communicates with the circulation blower 8 and the superheater heater 9 from the circulation suction port 5b, and passes through the circulation air passage 8a blown into the bathroom from the blowout port 10 provided on the decorative panel 4. Forming.

  The function of the bathroom ventilation drying / heating apparatus configured as described above will be described. When the above-described ventilation fan 2, circulation fan 8, and superheater 9 are all operated, the bathroom ventilation drying / heating device exhausts the humidity of the bathroom to the outside of the room and blows out hot air from the outlet 10 to the bathroom. Drying and clothing drying are possible. Further, when the circulation fan 8 and the superheater 9 are operated, it functions as a bathroom heater and can heat the bathroom in winter. Furthermore, in addition to these functions, it is possible to operate according to the application throughout the year, such as a ventilation operation by the operation of only the ventilation fan 2, and a cool wind operation in summer by the operation of the ventilation fan 2 and the circulation fan 8. In addition, the thing provided with the ventilation damper 6a in the ventilation ventilation path 6 from the suction inlet 5a is normally open, and the ventilation damper 6a is ventilated in the bathroom, but in order to prevent the cold wind feeling in winter, the ventilation damper By closing 6a, ventilation can be closed only in the bathroom. Furthermore, a type having a function such as mist heating provided with a mist generating device, and a function for improving comfort by providing a 24-hour ventilation function in response to planned ventilation can be added. These operations are performed by a dedicated controller or the like.

Next, a detailed configuration of the construction state will be described with reference to the drawings.
FIG. 2 is a perspective view showing a construction state of the bathroom ventilation drying / heating machine, and many are constructed on the ceiling of the bathroom, and FIG. 2 is a view of the product side as viewed from the upper part of the product. In FIG. 2, an intake pipe guide 3 communicating with the main body 1 and an intake opening 1e provided on the side surfaces 1a and 1b of the main body 1, and an exhaust pipe guide 7 communicating with the exhaust opening 1f. , And the duct 11 and the like are not attached. Details of these configurations and construction methods will be described below.
A duct 11 is preliminarily piped to the ceiling of the bathroom, and the air intake ducts 11a and 11b are connected to the air intake pipe guides 3a and 3b, respectively, and are piped to a toilet and a washroom. Further, an exhaust duct 11c is connected to the exhaust pipe guide 7, and this duct 11c is piped to the outside. A dedicated outdoor hood (not shown) is provided at the outdoor terminal of the duct 11c. Yes. Although the outer pipe guide 3 and the outer pipe guide 7 have substantially the same shape, the exhaust pipe guide 7 is provided with a wind pressure shutter (not shown). Yes. This wind pressure type shutter is provided for the purpose of preventing the intrusion of outside wind, and it is possible to close the inside of the duct when intruding cold air in winter or when the outside wind is strong. The pipe guides 3 and 7 are inserted into the duct 11, and this connecting portion is usually fixed with a tape or the like, and is constructed so as to prevent wind leakage.

The main body 1 is installed in an opening of a ceiling of a bathroom, and a dedicated main body mounting frame 12 is used for mounting the main body. This is because the ventilation fan 2, the circulation fan 8, and the superheater heater 9 described in FIG. 1 are mounted inside the main body 1 of the bathroom ventilation drying / heating machine. In recent years, unit baths and the like have become widespread, and it is necessary to secure the strength of the ceiling of the bathroom, so construction using the main body mounting frame 12 is adopted. The main body mounting frame 12 is usually fixed with anchor bolts suspended inside the ceiling, or a method is used in which a flange is provided around the opening of the ceiling and the flange portion 12a is fixed with screws. As a construction sequence shown in FIG. 2, first, the main body mounting frame 12 is fixed to the bathroom ceiling by the above-described method. Next, the pipe guides 3 and 7 are fixed to the main body mounting frame 12, and then the pipe guides 3 and 7 and the duct 11 are connected.
Finally, the main body 1 is inserted into the main body mounting frame 12 from the bathroom side, and the flange portion 12a provided around the lower portion of the main body mounting frame 12 and the flange portion 1d of the main body 1 are both fixed to the ceiling material with screws or the like. The side surface 1a or 1b of the main body 1 has a sealing material 1h attached around the openings 1e and 1f at positions corresponding to the pipe guides 3 and 7, respectively. Thereby, when the main body 1 is inserted into the main body mounting frame 12, the openings 1e and 1f of the main body 1 and the pipe guides 3 and 7 are brought into close contact with each other by the sealing material 1h, so that no air leakage or the like occurs. Yes.

  With the configuration as described above, it is not necessary to remove the duct 11 and the pipe guides 3 and 7 when repairing, checking and replacing the bathroom ventilation dryer, and only the main body 1 is removed from the main body mounting frame 12 and pulled out. Therefore, workability is improved and working time is shortened.

Next, the fixing of the pipe guides 3 and 7 and the main body mounting frame 12 of the present invention will be described in detail with reference to the drawings.
FIG. 3 is a perspective view of the pipe guides 3 and 7, which is provided with a positioning portion 7 a for a bathroom ventilation / drying / heating unit main body at the upper portion, and is constituted by a cylindrical tube portion 7 b and a planar plate portion 7 c. The cylindrical tube portion 7b is changed so that the diameter gradually increases from the tip toward the plate portion 7c. As a result, the tip of the cylindrical portion 7b having a smaller diameter than the inner diameter of the duct 11 can be easily inserted into the duct 11, and the difference in inner diameter due to the type and material of the duct 11 can be dealt with. The flat plate portion 7c of the pipe guides 3 and 7 is provided with an L-shaped portion 7d having both sides bent into an L-shape, which improves the strength of the pipe guide 3.7. A locking portion 13 used for engagement with the main body mounting frame 12 is provided at the lower portion of the cylindrical portion 7b. For example, a protrusion 13a is provided as a locking piece formed by cutting and raising from the plate portion 7c. Yes. Further, a flange portion 15 formed in an L shape is provided at the lower end of the plate portion 7c of the pipe guides 3 and 7.

4 is a perspective view showing a state in which the pipe guides 3 and 7 and the main body mounting frame 12 are engaged, FIG. 5 is a schematic diagram illustrating the configuration of the locking portion, and FIG. 6 is a diagram in which the locking portion is engaged. FIG. 7 is a sectional view of the engaged state.
As shown in FIG. 5, the locking portions 13 of the pipe guides 3 and 7 are formed in the small diameter direction of the cylindrical portion 7b by cut-and-raised projections 13a, and a positioning dowel formed in a round shape at the approximate center of the projection 13a. 13b is provided so as to protrude in the opposite direction to the cut and raised. On the other hand, the main body mounting frame 12 is provided with an opening 14, which is provided by a rectangular opening 14 a having a size into which a protrusion 13 a provided on the locking portion 13 of the pipe guides 3 and 7 is inserted. It is configured. A hole 14b is provided on the side of the opening 14a to which a positioning dowel provided on the protrusion 13a is fitted.

Next, engagement of the locking portion configured as described above will be described.
The protrusion 13a of the locking portion 13 of the pipe guides 3 and 7 is provided with a U-shaped portion 13c whose tip is bent into a U-shape, and the U-shaped portion 13c at the end of the projection 13a serves as an opening 14a of the main body mounting frame 12. The pipe guide is slid laterally (rightward in FIG. 5), and the protrusion 13a is inserted into the opening 14a of the main body mounting frame 12. As shown in FIG. 6, in the state where the locking portions are engaged, the round positioning dowels 13 b provided at the center of the projections 13 a of the pipe guides 3, 7 are located beside the opening 14 a of the main body mounting frame 12. Is fitted into the hole 14b provided in the inner wall, and is securely fixed and prevented from coming off. Further, as shown in the sectional view of FIG. 7, the main body mounting frame 12 is sandwiched between the back surface of the projection 13a of the pipe guides 3 and 7 and the plate portion 7c of the pipe guides 3 and 7, and the elastic force of the projection 13a. It will be held by. Further, as shown in FIG. 4, the flange portion 15 at the lower part of the pipe guides 3 and 7 is configured so that the flange portion 12a of the main body mounting frame 12 is overlapped. The pipe guides 3 and 7 can be slid in the horizontal direction in a state where the flange portions 12a of the frame 12 are combined, and the locking portions 13 of the pipe guides 3 and 7 and the locking portions of the main body mounting frame 12 Care is taken to facilitate the alignment of the 14 positions.

The pipe guides 3 and 7 and the main body mounting frame 12 configured as described above can be easily operated in spite of the positioning and fixing of these parts, and screws and the like. This eliminates the need for fixing with the use of, so that workability can be improved and work time can be shortened. The engagement of the pipe guides 3 and 7 and the main body mounting frame 12 with respect to the direction in which the main body 1 is inserted into the main body mounting frame 12 is provided with a protrusion 13a of the locking portion 13 in the vertical direction. Since the load applied to the stop portion 13 is applied in the shearing direction of the protrusion 13a, even the single protrusion 13a does not come off and can be fixed securely. Further, since the protrusion 13a is provided on the main body mounting frame 12 side, when the main body 1 is inserted into the main body mounting frame 12, deformation of the protrusion 13a, and occurrence of wind leakage and abnormal noise due to this deformation. It is possible to install with high reliability. Further, since the latching portion is slid in the lateral direction, it is not necessary to take the dimension of the slide width in the height direction of the pipe guides 3 and 7, and the height dimensions of the pipe guides 3 and 7 and the main body 1 are reduced. It is also possible to perform construction without being restricted by the ceiling height.

Next, fixing of the pipe guides 3 and 7 and the main body 1 will be described with reference to FIGS. 2 and 8.
FIG. 8 is a side view showing an outline of the installed state.
In FIG. 2, an engaging portion 7 a that engages with the main body 1 is provided at the upper part of the pipe guides 3 and 7, and the upper portion of the main body 1 is engaged with the engaging portions of the pipe guides 3 and 7. The engagement protrusion 1g is provided. As shown in FIG. 8, the main body 1 is inserted into the main body mounting frame 12 and is lifted to fit the engaging protrusion 1 g of the main body 1 into the receiving portion 7 e of the upper engaging portion 7 a of the pipe guides 3, 7. Become. In this case, the engaging protrusion 1g of the main body 1 is held by the elastic force of the upper engaging portion 7a of the pipe guides 3 and 7, and the pipe guides 3 and 7 and the side surface 1a or 1b of the main body 1 can be brought into close contact with each other. Yes.

In FIG. 2, the side face 1a or 1b of the main body 1 is provided with an elastic fall prevention spring 1j. The fall-preventing spring 1j is formed of a strip-shaped plate material, and is provided so as to open in the direction from the main body 1 to the main body mounting frame 12. In FIG. 2, the intake pipe provided on the side surface 1b of the main body 1 is provided. Two locations are provided facing the vicinity of the opening 1e communicating with the guides 3a and 3b.
When the main body 1 is inserted into the main body mounting frame 12 and moved upward, the fall prevention spring 1j comes into contact with the vertical surface inside the main body mounting frame 12, and gradually undergoes elastic deformation on the main body 1 side. When the main body 1 is further raised, the fall prevention spring 1j opens to the direction of the main body mounting frame 12 at a position beyond the main body mounting frame 12 or a ceiling material provided adjacent to the main body mounting frame 12. The tip of the fall prevention spring 1j interferes with the main body mounting frame 12 or the ceiling material. Therefore, in the operation of inserting the main body 1 into the main body mounting frame 12, the main body 1 can be temporarily fixed by the fall prevention spring 1j provided on the main body 1, and is fixed to the flange portion 1d of the main body 1 with screws. Even in work, the main body 1 can be easily supported with one hand.
After the main body 1 is housed in the main body mounting frame 12, both the flange portion 1d of the main body 1 and the main body mounting frame 12 are fixed to the ceiling material by screws from the screw fixing portion provided on the flange portion 1d of the main body 1. At this time, as shown in FIG. 8, the lower flange portion 15 of the pipe guides 3 and 7 is sandwiched between the main body mounting frame 12 and the flange portion 1 d of the main body 1. 15 is also fastened and fixed together with the flange portion 1 d of the main body 1.

With the configuration as described above, the location and direction of fixing using screws are mainly the location of the flange portion 1d of the main body 1. Therefore, the number of screws used can be reduced, and the direction of tightening from the bathroom side can be unified. By doing so, the workability can be improved. Furthermore, as compared with the case where each component is fixed in units of each component, the components are engaged and fixed, so that the components can be fixed more firmly and the reliability during construction is improved. In addition, it is possible to easily align the parts, and the pipe guides 3 and 7 and the main body 1 and the positions of the main body mounting frame 12 and the main body 1 can be finely adjusted without any special work. It can be done.

In the above configuration, the description has been given using the bathroom ventilation drying and heating machine that discharges the air in the bathroom to the outside of the bathroom. However, the same effect can be obtained in the ventilator including the pipe guide and the duct for exhausting the indoor air. It is what has.

1 body,
1a, 1b main body side surface, 1c opening, 1d flange part, 1e, 1f opening part,
1h sealing material, 1g engaging protrusion, 1j fall prevention spring 2 ventilation fan,
3, 3a, 3b Intake pipe guide,
4 makeup panels,
5 Suction port 5a Ventilation suction port, 5b Circulation suction port 6 Ventilation ventilation path 6a Ventilation damper 7 Exhaust pipe guide,
7a engagement part, 7b cylinder part, 7c plate part, 7d L-shaped part, 7e receiving part 8 circulation fan,
8a Circulating air passage 9 Heating heater,
10 outlets,
11 Duct 11a Ventilation duct, 11b, 11c Intake duct 12 Main body mounting frame 12a Flange portion 13 Locking portion 13a Protruding head, 13b Positioning dowel 14 Locking portion,
14a opening, 14b hole 15 flange

Claims (4)

A ventilation ventilation path is formed in the main body, the side of the main body has a suction port and an outlet of the ventilation ventilation path, and a flange portion for mounting is formed at a right angle adjacent to the side surface of the main body. A ventilation device having,
A main body mounting frame for mounting and fixing the ventilation device on a ceiling or the like;
A ventilator comprising a pipe guide fixed to the body mounting frame and connected to the suction port and the outlet of the ventilator,
The main body mounting frame has two surfaces, a horizontal direction and a vertical direction, for fixing the pipe guide, and an opening for locking the pipe guide is provided on the vertical surface.
The pipe guide is composed of a cylindrical portion connecting a duct and a plate portion perpendicular to the axial direction of the cylindrical portion, and the plate portion is provided with a flange portion and a locking portion for fixing to the main body mounting frame, The locking part is inserted into the opening of the main body mounting frame from the longitudinal direction of the main body mounting frame, positioned ,
The bathroom ventilating / drying heater according to claim 1, wherein the flange portion of the pipe guide is fixed between the flange portion of the ventilation device and a horizontal surface of the main body mounting frame . 2. The flange portion of the pipe guide is fixed in contact with a horizontal surface of the main body mounting frame when the locking portion of the pipe guide is inserted into the opening of the main body mounting frame. As described in the bathroom ventilation drying heating machine.   An engaging portion that engages with the main body is provided on the main body side from an upper portion of the pipe guide, and an engaging protrusion that engages with the engaging portion of the pipe guide is provided on the upper surface of the main body. The bathroom ventilation drying heater according to any one of claims 1 and 2.   When the main body is inserted into the main body mounting frame, provided with an elastic fall-preventing spring that is provided at the upper part of the side surface of the main body and hooks on the main body mounting frame or a ceiling material to temporarily fix the main body. The bathroom ventilation drying heater according to any one of claims 1 to 3.

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