JPS5820836Y2 - wind fan - Google Patents

Description

[Detailed explanation of the invention] This invention is related to the improvement of wind fans.
The purpose is to prevent rainwater from entering the room and to provide a wind fan that is resistant to impacts.

An embodiment of this invention will be described below with reference to FIGS. 1 to 6. In the figures, 1 is a front casing with an open rear end, an upper opening 2 is provided on the upper surface, and a lower opening 3 is provided on the lower surface. In addition, a vent hole 4 is provided on the front surface.

5 is the gnoll provided in the vent 4, 6 is the front casing 1
The frame body is provided parallel to the longitudinal direction of both sides of the rear opening, and is formed into a rectangular tube shape, and is provided with cut and bent portions 7.

8 is an upper frame provided on the upper part of this frame so as to be slidable inside the frame; 9 is a lower frame also provided on the lower part of the frame so as to be slidable inside the frame; 10 is a front casing 1; An air guide provided integrally, 11 an electrical component provided on the front surface of the front casing 1, 12 a cover provided to cover this electrical component, and 13 a rear portion provided to close the rear opening of the front casing 1. The casing is provided with hooking portions 14 on both sides in the longitudinal direction to be hooked on the cut and bent portions 7, as well as tongue portions 16 formed by cutting and bending, and a plurality of tongues formed by cutting and bending on the plane portion. A formed ventilation grille 15 is provided.

Reference numeral 17 denotes a filter provided on the inner surface side of this ventilation grille 15, and a step portion 18 is provided on the minus side.

Reference numeral 19 denotes a filter presser rod formed by bending one end into an L-shape and slightly curving the filter to hold the filter; 20, the L-shaped end of the filter presser rod is fitted to form a fulcrum of the filter presser rod; A retaining piece provided with a through hole 21, 2
2 is a claw provided to engage the other end of the filter holding rod; 23 is a resilient O-shaped packing fitted into the lower opening 3 of the front casing 1; 24; passes through this packing, and a handle formed in an L shape,
Reference numeral 25 denotes a blade casing that is provided to be rotated by the handle, and an upper side plate 26 is provided with a plurality of protrusions 27 and holes 28.

29 is an electric motor provided inside the lower part of this blade casing, 30 is a blade connected to the shaft of this motor, and 31 is a bearing supporting the shaft at the other end of this blade, so as to correspond to the convex portion 27. A through hole 32 is provided.

33 is a bearing support member, and a fitting part 3 into which the bearing 31 is fitted.
4, a recess 35 corresponding to the protrusion 27 is provided, and a claw 3 is provided at the tip, corresponding to the hole 28.
6 are provided, and a protrusion 38 is formed on the upper surface with a vibration-proof claw 39 provided on the side wall of the protrusion 38, and the protrusion 38 is connected to the upper opening 3 of the front casing 1.
mated to.

Reference numeral 40 denotes a fin provided inside the grille 5 to change the direction of air blowing.

In the wind fan configured as described above, the blower section is assembled as follows.

An electric motor 29 is fixed to the lower part of the blade casing 25, and the blades 30 are connected to the shaft of the electric motor 29.

The other shaft end of the blade 30 is made to protrude from the side plate 26 and the bearing 31 is fitted therein, and the through hole 32 of the bearing 31 is inserted into the side plate 26.
to fit into the convex portion 27 of.

Next, the fitting portion 34 of the bearing support member 33 and the bearing 31 and the convex portion 27 and the concave portion 35 are fitted, and the mounting leg 37 is inserted into the hole 28.

As a result, the pawl 36 is hooked to the side of the hole 28, and the bearing 31
is fixed to the side plate 26.

The blower section assembled in this way is attached to the front casing 1.
The protruding part 38 of the upper bearing support member 33 is inserted into the upper opening 2, and then the lower part is inserted into the packing 23.
The handle 24 is attached to the bottom of the blade casing 25 from the outside.

In the blower section installed in this way, vibrations are prevented by the pawls 36 at the fitting part with the upper front casing 1, and vibrations are prevented by the gaskets 23 at the lower part, and the blower section is supported and shocks are alleviated. In addition, rainwater that enters through the ventilation grille 15 of the rear casing 13 is prevented from leaking into the room.

The assembled wind fan has an upper frame 8 above and below the window.
Attachment is used by fixing the lower frame 9.

Note that by rotating the handle 24, the blower section can be rotated, allowing air to be taken in and exhausted as desired.

As explained below, this idea consists of a casing with an opening on the bottom, a blower that is installed in the casing with nine electric motor blades and the blade casing, and a blower installed in the opening to support the blower. Preventing rainwater from entering the room through the opening of the casing by forming a handle that penetrates the seal and is provided outside the casing so as to rotate the blower or the blade casing. is possible,
In addition, it is possible to reduce the impact of the heaviest blower caused by the drop pipe, which has the effect of preventing damage to the casing.

[Brief explanation of drawings]

Fig. 1 is a front view showing one embodiment of this invention, Fig. 2 is a side sectional view thereof, Fig. 3 is a plan sectional view thereof, Fig. 4 is a perspective view showing the attachment part of the rear casing, and Fig. 5 is a front view showing an embodiment of the invention. The figure is a detailed perspective view showing the rear casing, and FIG. 6 is a detailed sectional view showing the bearing portion of the blower. In addition, the same reference numerals in each figure indicate the same parts, 1 is the front casing, 3 is the lower opening, 13 is the rear casing, 23 is the packing, 24 is the handle, 25 is the blade casing, 26 is the side plate, 29 is the electric motor, 30 31 is a blade, and 31 is a bearing.

Claims (1)

[Scope of utility model registration request] A casing with an opening at the bottom, a blower including a motor, a blade, a blade casing, etc. provided in the casing, a packing provided in the opening to support the blower, and the blower or the blade casing. A wind fan that passes through the packing so as to rotate and is connected to a handle provided on the outside of the casing.