JPH0683000U - Hot air outlet - Google Patents

Abstract

(57) [Summary] [Structure] A shutter 42 is attached to the outlet opening at the tip of the duct portion 40 connected to the warm air fan. From both sides of the upper edge of the shutter 42, a support shaft 44 is horizontally projected. The support shaft 44 has a so-called D-cut shape so that the front surface 44a and the rear surface 44b of the support shaft 44 are vertical when the shutter 42 is in the hanging posture. A bearing portion 46 that supports the support shaft 44 is provided so as to project forward from both sides of the upper edge of the outlet opening 48. This bearing 46
Is provided with a circular shaft hole portion 50 and a support shaft passage portion 52 which is opened upward in a slit shape from the shaft hole portion 50. [Effect] The shutter is easily attached to the outlet opening, and the assembly is easy.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a hot air outlet of a hot air dryer installed together with a hot water washing device for a Western-style toilet. More specifically, the present invention relates to improvement of a shaft support structure for a shutter of a hot air outlet.

[0002]

[Prior art]

 The hot-water washing device installed in the Western-style toilet is a device for pouring hot water onto the human buttocks for washing, and the hot-air drying device is a device for blowing hot air to the buttocks wet with hot water to perform drying. is there.

FIG. 5 shows a conventional example of the hot water washing device and the hot air drying device. The washing nozzle 12 is installed in the toilet seat box 10 installed on the rear upper surface of the Western-style toilet, and when hot water is supplied from the hot water tank 14, the nozzle body 16 advances (projects) and hot water is discharged from its tip. Erupted upward. 18 indicates a toilet seat. When the warm air fan 20 installed in the toilet seat box 10 is operated, warm air is blown out from the air outlet 22.

As shown in FIGS. 6 and 7, the conventional air outlet is for closing the duct portion 28 constituted by the upper casing 24 and the lower casing 26 and the air outlet opening 30 at the tip of the duct portion 28. The shutter 32 is provided. The shutter 32 closes the outlet opening 32 when hot air is not blown, and prevents dirty water, dust, and the like from entering the duct portion 28. Support shafts 34 project from both sides of the upper end of the shutter 32. Bearing portions 36 having upwardly curved semi-circular concave curved surfaces 36 a are provided on both sides of the upper edge of the outlet opening 30. The support shaft 34 is placed on the concave curved surface 36a, and the upper casing 24 is covered thereover, so that the shutter 32 is rotatably supported by the duct portion 28.

When the warm air fan 20 is actuated and wind pressure is applied to the shutter 32 from the rear side, the shutter 32 is rotated in a flip-up direction as indicated by a chain double-dashed line 32 'in FIG. A cover 38 forming the front edge of the toilet seat box 10 is arranged above the outlet. When the shutter 32 hits the cover 38, the shutter 32 is prevented from further rotating.

[0006]

[Problems to be solved by the device]

 In the conventional shutter support structure for the hot air outlet, if the connection between the upper casing 24 and the lower casing 26 becomes a little loose, the front edge of the upper casing 24 separates from the upper surface of the bearing portion 36, and the shutter is released. When the shaft 32 is rotated, the support shaft 34 is disengaged from the bearing 36.

Further, when assembling the duct portion 28, with the support shaft 34 of the shutter 32 placed on the bearing portion 36, the upper casing 24 and the lower casing 26 should be careful not to disengage the support shaft 34 from the bearing portion 36. The workability was poor because it was necessary to carry out connection work with.

[0008]

[Means for Solving the Problems]

 The hot air outlet according to claim 1 is an outlet for hot air from a hot air fan installed in a Western-style toilet, the opening surface of which is substantially vertical, and the front side of the opening, A plate-shaped shutter rotatably installed so that the lower end side can be flipped up toward the front, and horizontal support shafts project from both ends in the horizontal width direction of the upper edge of the shutter. In the warm air blowout port, bearings for rotatably supporting the support shaft are provided at both ends of the upper edge of the blowout port in the horizontal width direction. It comprises a shaft hole portion that supports the support shaft so as to allow rotation, and a support shaft passage portion that extends substantially upward from the shaft hole portion and allows the support shaft to pass therethrough. The diameter of the shaft in one diameter direction is larger than the width of the support shaft passing portion in the front-rear direction of the outlet, and the other diameter intersecting with the one diameter direction. Diameter direction is characterized in Oh Rukoto small than outlet longitudinal width of said supporting shaft passing portion.

According to a second aspect of the present invention, there is provided the warm air outlet according to the first aspect, wherein the support shaft is in a substantially drooping posture so that the support shaft can pass through the support shaft passing portion when the shutter is in a substantially drooping posture. The diameter of the support shaft in the front-rear direction of the support shaft is smaller than the width of the support shaft passing portion in the front-rear direction, and the vertical diameter of the support shaft in this substantially hanging posture is the same as the support shaft passing portion. The width is larger than the width in the front-rear direction.

[0010]

[Action]

 In the hot air outlet of the present invention, the shutter can be attached to the outlet opening only by engaging the support shaft with the bearing from above.

This support shaft has a large diameter direction and a small diameter direction. By matching the small diameter direction with the width direction of the support shaft passing portion, the support shaft passes through the support shaft passing portion. Then enter the shaft hole. The diameter of the support shaft in the larger diameter direction is larger than the width of the support shaft passing portion, so that the shutter support shaft cannot be easily separated from the bearing portion.

[0012]

【Example】

 Hereinafter, embodiments will be described with reference to the drawings.

FIG. 1 is an exploded perspective view of a hot air outlet according to the embodiment, FIG. 2 is an exploded perspective view of a shutter of the hot air outlet according to the embodiment, and FIG. 3 is a warm air outlet according to the embodiment. And FIG. 4 is an enlarged cross-sectional view of the main part of the hot air outlet according to the embodiment.

A shutter 42 is attached to the outlet opening at the tip of the duct portion 40 connected to the warm air fan. From both sides of the upper edge of the shutter 42, a support shaft 44 is horizontally projected. The support shaft 44 has a so-called D-cut shape so that the front surface 44a and the rear surface 44b of the support shaft 44 are vertical when the shutter 42 is in the hanging posture. A bearing portion 46 that supports the support shaft 44 is provided so as to project forward from both sides of the upper edge of the outlet opening 48. The shaft bearing portion 46 includes a circular shaft hole portion 50 and a support shaft passage portion 52 that is opened upward from the shaft hole portion 50 in a slit shape.

The support shaft 44 can pass through the support shaft passing portion 52 and enter the shaft hole portion 50 when the shutter 42 is in the hanging posture. That is, the diameter (thickness) A (FIG. 2) in the direction connecting the support shaft front surface 44a and the rear surface 44b is smaller than the width B of the support shaft passing portion 52 in the front-rear direction (FIG. 4). The diameter C (FIG. 2) of the support shaft 44 in the shutter height direction is larger than the width B, so that the shutter 42 rotates in the arrow W direction in FIG. When the posture is close, the support shaft 44 cannot pass through the support shaft passing portion 52.

Also in the warm air outlet configured as described above, when hot air is blown, the shutter 42 is rotated by the wind pressure as indicated by W in FIG. When the blowing of the warm air is stopped, the shutter 42 returns to the hanging posture by its own weight and closes the outlet opening 48.

The shutter 42 can be attached to the tip of the duct portion 40 by inserting the support shaft 44 into the shaft hole portion 50 from the support shaft passing portion 52, and the shutter 42 can be easily attached to the duct portion 40. . Moreover, when the support shaft 44 is engaged with the bearing portion 46, the support shaft 44 does not come out of the bearing portion 46 when the shutter 42 rotates. Therefore, even if the support shaft 44 that has entered the bearing portion 46 is not pressed from above, the shutter 42 will not come off.

In the above-described embodiment, the front surface 44a and the rear surface 44b of the support shaft 44 are configured to be the vertical surfaces when the shutter 42 is in the vertically hanging posture. However, the surfaces of these surfaces 44a and 44b are the same. The direction may be other than this. Further, only one of the surfaces 44a and 44b may be provided.

[0019]

[Effect of device]

 As described above, in the hot air outlet of the present invention, the shutter can be easily attached to the outlet opening, and the assembly is easy.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a hot air outlet according to an embodiment.

FIG. 2 is an exploded perspective view of a shutter of a hot air outlet according to an embodiment.

FIG. 3 is a cross-sectional view of the hot air outlet according to the embodiment.

FIG. 4 is an enlarged cross-sectional view of a main part of the hot air outlet according to the embodiment.

FIG. 5 is a perspective view of a conventional toilet seat box having a warm air outlet.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is an exploded perspective view showing a conventional hot air outlet.

[Explanation of symbols]

 40 Duct part 42 Shutter 44 Support shaft 46 Bearing part 48 Air outlet 50 Shaft hole part 52 Support shaft passage part

Claims (2)

[Scope of utility model registration request] 1. An outlet for hot air from a warm air fan installed in a Western-style toilet, the opening of which is substantially vertical, and a front side of the opening, which faces forward. A plate-shaped shutter rotatably installed so that the lower end side can be flipped up, and horizontal spindles project from the both ends in the horizontal width direction of the upper edge of the shutter. In the hot air outlet, which has bearings for rotatably supporting the support shaft, provided at both ends of the upper edge of the outlet in the horizontal width direction, the bearing supports the rotation of the support shaft. A shaft hole portion that supports the support shaft, and extends substantially upward from the shaft hole portion,
And a supporting shaft passage portion that allows passage of the supporting shaft, wherein a diameter of the supporting shaft in one diameter direction is larger than a width of the supporting shaft passage portion in a front-back direction of the outlet. The diameter of the other diametrical direction intersecting the direction is smaller than the width of the support shaft passing portion in the front-back direction of the outlet, the warm-air outlet. 2. The support shaft according to claim 1, wherein when the shutter is in a substantially hanging posture,
The diameter of the support shaft in the front-rear direction of the support shaft in this substantially hanging posture is smaller than the width of the support shaft passing portion in the front-back direction so that the support shaft can pass through the support shaft passing portion. A warm-air outlet, wherein the vertical diameter of the support shaft is larger than the width of the support shaft passing portion in the front-rear direction.