JP6010396B2 - Mist spraying equipment - Google Patents

Description

  The present invention relates to a mist spraying device, and more specifically, a mist that is arranged such that the tip of a mist nozzle that sprays hot water for a mist sauna faces a bathroom from a nozzle opening provided in a front panel that covers a device casing from below. The present invention relates to a spray device.

  As a mist spraying device as described above, the base of a mist nozzle having a diameter larger than the tip of the mist nozzle is inserted into the nozzle insertion port provided in the nozzle holder, and the base of the mist nozzle is inserted into the nozzle insertion port. In the inserted state, by screwing the fixing screw into the fixing screw hole, and locking the screw head of the fixing screw to the collar portion formed by the step between the tip portion of the mist nozzle and the base portion of the mist nozzle, There is known a mist spraying device configured to be fixed so that a mist nozzle does not come off from a nozzle holder (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 2008-11002

  In the mist spraying device of Patent Document 1, the mist nozzle can be fixed to the nozzle holder with a simple configuration. However, since the spray port at the tip of the mist nozzle is inclined with respect to the vertical line, the fixing screw hole Also, the screwing direction when the fixing screw is tilted with respect to the vertical line is also inclined with respect to the vertical line. Therefore, when the fixing screw is screwed into the fixing screw hole with a tool such as a screwdriver, the rotation axis of the tool such as a screwdriver tends to be shifted from the central axis of the fixing screw hole. In order to match the central axis of the fixing screw hole, skill is required, and it is desired to facilitate the work.

The present invention has been made paying attention to such a point, and an object thereof is to provide a mist spraying device capable of fixing a mist nozzle to a nozzle holder provided in an equipment casing by an easy operation. is there.

In order to achieve this object, the mist spraying device according to the present invention has the tip of the mist nozzle spraying hot water for a mist sauna facing the bathroom through the nozzle opening provided in the front panel covering the equipment casing from below. A nozzle holder having a nozzle insertion port formed in the vertical direction and a screw hole formed in the vertical direction outside the outer periphery of the nozzle insertion port, in the device casing. The mist nozzle is formed with a nozzle base having a diameter larger than the tip thereof, and the nozzle base inserted into the nozzle insertion port is formed by a screw head of a fixing screw screwed into the screw hole. locked in position in the nozzle insertion port, wherein the mist nozzle is secured to the nozzle holder, the fixing screw that is screwed into the screw hole loose the The front panel is provided with a screw loosening restricting portion that comes into contact with the screw head when the constant screw is retreated from the screw hole to check the loosening of the fixing screw, and the fixing screw is retreated from the screw hole by a predetermined dimension. the mist nozzle and said non-removable der Rukoto from said nozzle insertion port in a state

  According to the present invention, the mist nozzle can be fixed to the nozzle holder provided in the equipment casing by an easy operation. In other words, the nozzle insertion port formed in the nozzle holder provided in the device casing is formed in the vertical direction, and the screw hole formed on the outer periphery of the nozzle insertion port is also formed in the vertical direction. After inserting the nozzle base, which has a larger diameter than the tip of the mist nozzle, into the nozzle insertion port, insert the fixing screw into the nozzle insertion position to lock the nozzle base in place at the nozzle insertion port with the screw head of the fixing screw. Even when screwed into the screw hole formed on the outer periphery of the mouth, a screw or other tool can be properly screwed in a vertical position, and the center axis of the fixing screw and the center of the fixing screw hole It is possible to easily fix the mist nozzle to the nozzle holder provided in the equipment casing without requiring any special skill to match the shaft.

  In the case of a mist spraying device in which the tip of the mist nozzle is arranged facing the inside of the bathroom from the nozzle opening provided in the front panel that covers the equipment casing from below, the nozzle insertion opening provided in the nozzle holder and the nozzle insertion opening Since the screw holes around the top of the nozzle casing are formed in the vertical direction from the bottom to the top in the nozzle holder, in the manufacturing process of the mist spraying device, the device casing is turned upside down. After inserting the nozzle base having a diameter larger than the tip of the mist nozzle into the nozzle insertion port, a fixing screw is used to lock the nozzle base at a predetermined position in the nozzle insertion port with the screw head of the fixing screw. Since it is reasonable to screw into the screw hole formed on the outer periphery of the nozzle insertion port, the tip of a tool such as an electric screwdriver should be Will be capable of performing screwing work in-digit vertical posture, properly it becomes a desirable work aspect of the order to carry out the screwing work.

  In short, according to the present invention, it is possible to provide a mist spraying device that can be fixed to a nozzle holder provided with a mist nozzle in an equipment casing by an easy operation.

When configured as in the present invention, even when the fixing screw is loosened and the fixing screw is retracted from the screw hole by a predetermined dimension, the screw head comes into contact with the screw loosening restricting portion provided on the front panel, and thus exceeds the predetermined dimension. Furthermore, since the fixing screw is prevented from being loosened, the mist nozzle is prevented from being detached from the nozzle insertion port. That is, the mist nozzle is prevented from coming off from the nozzle insertion port due to the loosening of the fixing screw.

In addition, a seal member that seals between a side surface of the nozzle base portion and an inner peripheral surface of the nozzle insertion port is provided on a side surface of the nozzle base portion, and the fixing screw is retracted from the screw hole by the predetermined dimension. It is preferable that the seal between the side surface of the nozzle base and the inner peripheral surface of the nozzle insertion port is maintained.

  With this configuration, the seal between the side surface of the nozzle base and the inner peripheral surface of the nozzle insertion port is maintained even when the fixing screw is loosened and the fixing screw is retracted from the screw hole by a predetermined dimension. Water leakage due to insufficient sealing between the side surface of the nozzle base and the inner peripheral surface of the nozzle insertion port due to the loosening of the screw is prevented.

  Also, the front panel has an insertion guide portion that guides insertion of the tip of the mist nozzle into the nozzle opening when the front panel is brought close to the device casing from below the device casing. It is also preferable that the screw loosening restricting portion is formed in the insertion guide portion around the opening hole for use.

  When configured in this way, the insertion guide portion that guides the insertion of the tip of the mist nozzle into the nozzle opening hole when the front panel is approached to the equipment casing from below the equipment casing is provided on the front panel. By installing the front of the mist nozzle, the front panel can be easily inserted into the equipment casing while the tip of the mist nozzle is inserted through the nozzle opening hole, and the screw looseness restricting part is formed in the insertion guide part. In this case, the screw loosening restricting portion can be easily configured according to the shape of the insertion guide portion.

  In short, the front panel can be easily attached to the equipment casing, and the screw loosening restricting portion can be easily configured.

ADVANTAGE OF THE INVENTION According to this invention, it can be set as the mist spraying apparatus which can be fixed to the nozzle holder provided with a mist nozzle in an apparatus casing by easy operation | work. Moreover, it can be set as the mist spraying device by which the mist nozzle was prevented from coming off from the nozzle insertion port due to the looseness of the fixing screw. Moreover, it can also be set as the mist spraying device by which the water leak by the seal | sticker insufficient between the side surface of the nozzle base resulting from loosening of a fixing screw and the inner peripheral surface of a nozzle insertion port was prevented.
Further, the front panel can be easily attached to the equipment casing, and the mist spraying device in which the screw loosening restricting portion is simply configured can be provided.

It is a disassembled perspective view of the bathroom apparatus of Embodiment 1. FIG. 1 is an overall perspective view of a bathroom according to Embodiment 1. FIG. It is a schematic sectional side view of the bathroom apparatus of Embodiment 1. It is a bottom view of the apparatus main body of Embodiment 1. It is a perspective view of the front panel of Embodiment 1. FIG. It is principal part sectional drawing seen from diagonally upward of the nozzle holder of Embodiment 1, a mist nozzle, and an insertion guide part. It is principal part sectional drawing seen from the front of the nozzle holder of Embodiment 1, a mist nozzle, and the insertion guide part. It is principal part sectional drawing seen from the front of the nozzle holder of Embodiment 1, a mist nozzle, and the insertion guide part. It is principal part sectional drawing seen from the front of the nozzle holder of Embodiment 2, a mist nozzle, and the insertion guide part. It is principal part sectional drawing seen from the front of the nozzle holder of Embodiment 3, a mist nozzle, and an insertion guide part.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  The bathroom apparatus 1 of Embodiment 1 is a bathroom heating dryer with a mist function attached to the ceiling 9 of the bathroom.

  The bathroom has a ceiling 9, and the ceiling 9 is constituted by a lower surface of a ceiling plate 91 of the bathroom. As shown in FIG. 2, a bathtub 94 is provided in the bathroom. The bathroom is not limited to the one in which the bathtub 94 is installed, and may be a shower room.

As shown in FIG. 1, the bathroom device 1 is arranged so that its lower surface faces the bathroom. The bathroom device 1 is suspended through a hanging metal fitting 93 fixed to the ceiling slab.
The bathroom device 1 includes a device body 2 and a front panel 4.

  The apparatus main body 2 includes a device casing 21 and a functional unit 3. The equipment casing 21 has a box shape opened downward. A flange portion 22 is provided on the opening periphery of the device casing 21. The equipment casing 21 forms an outline of the apparatus main body 2. As shown in FIG. 3, the functional unit 3 includes a heating unit 31, a ventilation unit 32, and a mist generation unit 33. The functional unit 3 is accommodated in the device casing 21.

The heating unit 31 includes a hot air heat exchanger 311, a circulation flow path 312, and a circulation fan 313. The circulation channel 312 has a suction port 314 and a blowout port 315. The inlet 314 and the outlet 315 face the bathroom. The circulation fan 313 allows the air in the circulation channel 312 to flow. The hot air heat exchanger 311 is disposed in the circulation channel 312. The hot air heat exchanger 311 is connected to the heating pipe so that the heat medium circulates between the heat source unit 7 (see FIG. 2). The hot air heat exchanger 311 exchanges heat with the air flowing through the circulation channel 312. Thereby, the heating unit 31 takes in the air in the bathroom from the suction port 314 into the apparatus main body 2, heats the taken-in air with the heat exchanger 311 for hot air, and then sends the hot air from the outlet 315 to the bathroom. Blow in.

  Note that the blowout port 315 is provided in the movable louver 316. The movable louver 316 is rotatably supported by the support body 317. The support body 317 is fixed in the equipment casing 21.

  The ventilation unit 32 includes a ventilation fan 321 and a discharge path 322. The discharge path 322 includes a suction port 323 and a discharge unit 324. The suction port 323 faces the bathroom. The discharge unit 324 communicates with the outside. The ventilation fan 321 allows the air in the discharge path 322 to flow. The ventilation unit 32 takes in the humid air in the bathroom from the suction port 323 into the apparatus main body 2 and then discharges the outside from the discharge unit 324 to the outside.

  The mist generating unit 33 includes a mist heat exchanger 331, a piping unit 332, a mist nozzle 333, and a mist valve 334. The piping part 332 connects the water supply pipe and the mist nozzle 333. The tip of the mist nozzle 333 is disposed facing the interior of the bathroom from a nozzle opening hole 44 (see FIGS. 5, 6, 7, and 8) provided in the front panel 4. The heat exchanger 331 for mist is connected to the heating pipe so that the heat medium circulates between the heat source device 7. The heat exchanger 331 for mist performs heat exchange with water flowing through the piping part 332.

The mist valve 334 is connected to the upstream side of the mist nozzle 333 in the piping portion 332. The mist valve 334 is constituted by, for example, a thermal valve. Thereby, the mist generation | occurrence | production part 33 spouts warm water mist in a bathroom.

  As shown in FIG. 4, the apparatus main body 2 is provided with a plurality of attachment portions 23. The attachment portion 23 is provided for attaching the front panel 4 via the fixing tool 5. The attachment portion 23 has a female screw portion 24. The central axis of the female screw portion 24 is parallel to the vertical direction. The female screw portion 24 opens downward. For example, the attachment portion 23 is provided on the side surface of the device casing 21 and the support body 317.

  The front panel 4 is disposed below the equipment casing 21 that constitutes the apparatus main body 2. As shown in FIG. 5, the front panel 4 has a rectangular shape in plan view. The front panel 4 includes a suction opening 41 and a blowing opening 42. The suction opening 41 communicates with the suction port 314 of the heating unit 31 and the suction port 323 of the ventilation unit 32 when the front panel 4 is attached to the apparatus main body 2. The blowout opening 42 communicates with the blowout port 315 of the apparatus main body 2 when the front panel 4 is attached to the apparatus main body 2.

  The front panel 4 has a fixing tool insertion hole 43. The fixing tool insertion hole 43 is provided at a location corresponding to the female screw portion 24 of the attachment portion 23 of the apparatus main body 2. As shown in FIG. 1, the fastener 5 is inserted through the fastener insertion hole 43. In the state where the front panel 4 is disposed below the apparatus body 2, the fixing tool 5 is inserted into the fixing tool insertion hole 43. The fixing tool 5 is screwed into the female screw portion 24 in a state of being inserted into the fixing tool insertion hole 43 of the front panel 4. Thereby, the front panel 4 is attached to the apparatus main body 2 in a state along the ceiling 9. That is, the front panel 4 is disposed below the apparatus body 2 along the ceiling 9 and covers the equipment casing 21 from below.

  In the bathroom device 1 of the present embodiment, as shown in FIGS. 6 and 7, the mist nozzle 333 is fixed to a nozzle holder 07 provided in the equipment casing 21. In the nozzle holder 07, a vertical nozzle insertion port 71 is formed from below to above, and a screw hole 72 (see FIG. 8) for fastening the mist nozzle 333 is formed on the outer periphery of the nozzle insertion port 71 from below. It is formed in the vertical direction.

  As described above, the screw hole 72 (see FIG. 8) for fastening the mist nozzle 333 is formed in the vertical direction from the lower side to the upper side on the outer periphery of the nozzle insertion port 71 in the manufacturing process of the bathroom device 1. After inserting the nozzle base 34 having a diameter larger than the tip of the mist nozzle 333 into the nozzle insertion port 71 in the upside down posture of the device casing 21 in which the device casing 21 is turned upside down, the screw of the fixing screw 73 Reasonably, a fixing screw 73 is screwed into a screw hole 72 (see FIG. 8) formed on the outer periphery of the nozzle insertion port 71 in order to lock the nozzle base 34 at a predetermined position in the nozzle insertion port 71 by the head 74. When the bathroom device 1 is manufactured by the construction method, the screwing work can be performed in a vertical posture with the tip of a tool such as an electric screwdriver facing downward, and the screwing work properly. It may be a desired working mode to do.

  Further, as shown in FIG. 7, the mist nozzle 333 is formed with a nozzle base 34 having a diameter larger than the tip thereof, and the nozzle base 34 inserted into the nozzle insertion port 71 is connected to the screw hole 72 ( The mist nozzle 333 is fixed to the nozzle holder 07 by being locked at a predetermined position in the nozzle insertion port 71 by a screw head 74 of a fixing screw 73 screwed into FIG.

  Then, as shown in FIG. 8, when the fixing screw 73 screwed into the screw hole 72 is loosened and the fixing screw 73 is retracted from the screw hole 72 by a predetermined dimension A, the screw screw 74 comes into contact with the screw head 74. The front panel 4 is provided with a screw loosening restricting portion 81 for checking looseness, and the mist nozzle 333 cannot be removed from the nozzle insertion port 71 when the fixing screw 73 is retracted from the screw hole 72 by a predetermined dimension A. ing.

  As described above, the mist nozzle 333 is configured to be unremovable from the nozzle insertion port 71 in a state where the fixing screw 73 is retracted from the screw hole 72 by the predetermined dimension A. Removal of the mist nozzle 333 from the nozzle insertion port 71 is prevented.

  Incidentally, even when the fixing screw 73 is withdrawn from the screw hole 72 by the predetermined dimension A, the male screw forming portion of the fixing screw 73 is immersed in the female screw forming portion of the screw hole 72. Even if a force that causes the mist nozzle 333 to move further downward from the nozzle insertion port 71 from the state of FIG. 8 due to the water pressure or the like acting on the screw head 74, the male screw formation portion of the fixing screw 73 and the screw hole 72. Since the engagement with the female screw forming portion is sufficiently maintained, the mist nozzle 333 is prevented from further moving downward from the nozzle insertion port 71 from the state of FIG.

  A seal member 36 that seals between the side surface of the nozzle base 34 and the inner peripheral surface of the nozzle insertion port 71 is provided on the side surface of the nozzle base 34, and the fixing screw 73 is attached to the screw hole 72 as shown in FIG. 8. In this state, the seal between the side surface of the nozzle base 34 and the inner peripheral surface of the nozzle insertion port 71 is maintained in a state where the predetermined dimension A is retracted.

  In this manner, the seal between the side surface of the nozzle base 34 and the inner peripheral surface of the nozzle insertion port 71 is maintained in a state where the fixing screw 73 is retracted from the screw hole 72 by a predetermined dimension A. Thus, the mist nozzle 333 is prevented from coming off from the nozzle insertion port 71 due to the loosening of the fixing screw 73, and the side surface of the nozzle base 34 and the inner peripheral surface of the nozzle insertion port 71 due to the loosening of the fixing screw 73 are prevented. Water leakage due to insufficient sealing between the two is prevented.

  As shown in FIGS. 5, 6, 7, and 8, the front panel 4 includes a nozzle at the tip of the mist nozzle 333 when the front panel 4 is brought close to the equipment casing 21 from below the equipment casing 21. An insertion guide portion 82 that guides the insertion into the opening hole 44 is provided around the nozzle opening hole 44, and the distal end of the insertion guide portion 82 forms a loosening restriction portion 81.

  As described above, since the insertion guide portion 82 is provided, when the front panel 4 is made to approach the device casing 21 from below the device casing 21, the tip end of the strike nozzle 333 and the nozzle opening hole 44 are slightly displaced. Even in this case, since the insertion guide portion 82 guides and guides the insertion of the tip of the mist nozzle 333 into the nozzle opening hole 44, the front panel 4 can be easily attached to the device casing 21. In this case, since the tip of the insertion guide portion 82 constitutes the screw loosening restriction portion 81, it is not necessary to provide the screw loosening restriction portion 81 in the bathroom device 1 separately from the insertion guide portion 82, and the bathroom device 1 is inexpensive. Can be configured.

  In the first embodiment, the seal between the side surface of the nozzle base 34 and the inner peripheral surface of the nozzle insertion port 71 is maintained in a state where the fixing screw 73 is retracted from the screw hole 72 (see FIG. 8) by a predetermined dimension A. However, in the second embodiment shown in FIG. 9, the side surface of the nozzle base 34 and the inside of the nozzle insertion port 71 in a state where the fixing screw 73 is retracted by a predetermined dimension B from the screw hole 72 (see FIG. 8). The seal between the peripheral surface is not maintained, but the mist nozzle 333 cannot be removed from the nozzle insertion port 71 when the fixing screw 73 is retracted from the screw hole 72 (see FIG. 8) by a predetermined dimension B. It is.

  In the first embodiment, the distal end of the insertion guide portion 82 constitutes a screw loosening restriction portion 81. However, in the third embodiment, an extension portion that extends the distal end of the insertion guide portion 82 is provided as shown in FIG. A screw loosening restricting portion 81 is configured. Instead of providing the screw loosening restriction portion 81 in the insertion guide portion 82, the screw loosening restriction portion 81 may be provided separately from the insertion guide portion 82.

DESCRIPTION OF SYMBOLS 1 Bathroom apparatus 2 Apparatus main body 21 Equipment casing 23 Mounting part 24 Female thread part 333 Mist nozzle 34 Nozzle base part 36 Seal member 4 Front panel 43 Fixing tool insertion hole 44 Nozzle opening hole 5 Fixing tool 07 Nozzle holder 71 Nozzle insertion port 72 Screw hole 73 Fixing screw 74 Screw head 81 Screw loosening restricting portion 82 Insertion guide portion 9 Ceiling 91 Ceiling plate A Predetermined size B Predetermined size

Claims (3)

It is a mist spraying device arranged such that the tip of a mist nozzle that sprays hot water for a mist sauna faces the bathroom from the nozzle opening provided in the front panel that covers the equipment casing from below,
A nozzle holder having a nozzle insertion port formed in the vertical direction and a screw hole formed in the vertical direction outside the outer periphery of the nozzle insertion port is provided in the device casing, and the mist nozzle is provided at the tip thereof. A nozzle base with a large diameter is formed,
The nozzle base inserted into the nozzle insertion port is locked at a predetermined position in the nozzle insertion port by a screw head of a fixing screw screwed into the screw hole, and the mist nozzle is fixed to the nozzle holder. It is,
The front panel is provided with a screw loosening restricting portion that comes into contact with the screw head and restrains the loosening of the fixing screw when the fixing screw that is screwed into the screw hole is loosened and the fixing screw is retreated from the screw hole by a predetermined dimension. mist spray apparatus wherein the mist nozzle in a state in which the fixing screw has a predetermined dimension retired from the threaded hole and said non-removable der Rukoto from the nozzle insertion port into. A seal member that seals between a side surface of the nozzle base portion and an inner peripheral surface of the nozzle insertion port is provided on a side surface of the nozzle base portion, and the nozzle base portion is in a state in which the fixing screw is retracted from the screw hole by the predetermined dimension. The mist spraying device according to claim 1 , wherein a seal between the side surface of the nozzle and the inner peripheral surface of the nozzle insertion port is maintained . The front panel has an insertion guide portion that guides insertion of the tip of the mist nozzle into the nozzle opening when the front panel is approached to the equipment casing from below the equipment casing. 3. The mist spraying device according to claim 1, wherein the screw loosening restricting portion is formed in the insertion guide portion in a periphery of the hole .