JP2023135183A - Blower, clothing with blower - Google Patents

Abstract

To provide a new blower in which durability is improved with respect to fastening of a screw executed when mounting an impeller on a motor, and to provide clothing with blower which includes the blower of the same.SOLUTION: In a blower 1 for blowing the outside air into a clothing body (W), the connection between a motor 2 and an impeller 3 is performed by fitting between a male member 5 mounted on a rotation shaft 21 of the motor 2 and a female part 33 provided by penetrating the central part of a boss 31 of the impeller 3, and screwing of a screw 6 with respect to a male screw part (or male screw) 52 provided at an end surface of the male member 5, and at a flush flat surface formed by the surface of the boss 31 and the end surface of the male member 5, a seating surface of the screw 6 is brought into a surface contact.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a blower that is attached to a clothing body to blow outside air into the clothing body, and to a garment equipped with the fan.

Recently, clothing with a blower (cooling clothing) that cools the inside of clothing such as work clothes (hereinafter referred to as "garment main body") by supplying outside air into the clothing main body has been put into practical use (for example, (See Patent Document 1 below.)

JP2019-214948A Registered utility model No. 3228173

This type of clothing with a blower has a structure in which a blower is attached to a hole drilled at an appropriate location in the main body of the clothing, and outside air is sent into the main body of the clothing through the blower. The blower is generally one in which an impeller (fan) having a plurality of blades is rotated by a motor, and the impeller (and motor) is surrounded by a guard for safety. It has a unique structure.

Since the air blower-equipped clothing supplies the air flow generated by the rotation of the impeller into the clothing body through the guard, dust contained in the outside air is likely to accumulate in the guard. It was something. Therefore, after the garment with the blower is used for a certain period of time, maintenance work is required to remove the inside of the guard of the blower.

Regarding this point, in the blower (air blower for cooling clothes inside) disclosed in Patent Document 1, as shown in FIG. The motor 2 and the impeller 3 are connected by fitting with a female part (accommodation chamber) 35 provided in the boss 31 and by screws 6 screwed into the male member 5 through a through hole 36 passing through the center of the boss 31. We are proposing a means to connect the two.

Furthermore, in the blower (air blower for cooling inside clothes) disclosed in Patent Document 2, as shown in FIG. Means for connecting the motor 2 and the impeller 3 by fitting into a female part (insertion hole) 33 provided at the center of the boss 31 and by a screw 6 screwed into the male member 5 is provided. is suggesting.

That is, by employing these connecting means, the impeller 3 can be easily removed from the motor 2, and dust attached to the back side of the blades 32 of the impeller 3 can also be easily removed.

However, in the connection means between the motor 2 and the impeller 3 disclosed in Patent Document 1, the boss 31 is sandwiched between the male member 5 and the seat surface of the screw 6, so excessive tightening of the screw 6 may cause Damage may occur.

Also, in the connection means for connecting the motor 2 and the impeller 3 disclosed in Patent Document 1, excessive tightening of the screw 6 may cause damage to the reinforcing portion 30 provided along the outer periphery of the female portion 33. may occur.

The present invention was developed in view of the above-mentioned technical problem, and provides a novel blower with improved durability against screw tightening performed when attaching an impeller to a motor, and a novel blower equipped with the above-mentioned blower. The purpose is to provide clothing with a blower.

A blower according to the present invention that solves the above technical problem includes a motor, an impeller connected to a rotating shaft of the motor, and a guard surrounding the motor and the impeller, and includes a garment main body. A blower for sending outside air into the clothing body, wherein the motor and the impeller are connected to a male member attached to the rotating shaft of the motor and a central portion of the boss of the impeller. The surface of the boss and the end face of the male member are fitted by fitting with a female part provided through the boss, and by screwing a screw into a female thread part or a male thread part provided on the end face of the male member. and a flat surface that is flush with each other, and the flat surface and the seat surface of the screw are in surface contact (hereinafter referred to as "the blower of the present invention").

In the blower of the present invention, when the motor and the impeller are connected, the protrusion provided on the male member and the bottomed receiving portion provided on the back side of the boss fit together. is a preferred embodiment.

A garment with a blower according to the present invention that solves the above technical problem is characterized in that the blower according to the present invention is attached to a main body of the garment (hereinafter referred to as "garment of the present invention").

According to the present invention, durability against tightening of screws performed when attaching an impeller to a motor is improved.

FIG. 1 is a perspective view (a) showing an embodiment of a blower according to the present invention, and a side view (b) shown in a cross-sectional state and partially enlarged. FIG. 2 is a perspective view (a) showing the impeller of the blower of the present invention from the front side, and a perspective view (b) showing the impeller from the back side and partially enlarged. FIG. 3 is a perspective view (a) showing the male member of the blower of the present invention from the front side, a perspective view (b) showing the male member from the back side, and a perspective view showing the male member connected to the motor. It is a diagram. FIG. 4 is a perspective view (a) showing the screw of the blower of the present invention from the front side, and a perspective view (b) showing the screw from the back side. FIG. 5 is an exploded perspective view showing the connection between the motor and the impeller. FIG. 6 is a front view showing an embodiment of the garment of the present invention to which the blower of the present invention is attached. FIG. 7 is an exploded perspective view showing a conventional connection means between a motor and an impeller. FIG. 8 is an exploded perspective view partially enlarging another conventional connection means between a motor and an impeller.

Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not limited to these embodiments.

<Blower 1 of the present invention>
FIG. 1 shows an embodiment of a blower 1 of the present invention. The blower 1 of the present invention includes a "motor (2)", an "impeller (3)" connected to the rotating shaft 21 of the motor 2, and a "guard (3)" surrounding the motor 2 and the impeller 3. 4)".

-Motor 2-
The motor 2 refers to a mechanical element that outputs rotational motion using a force generated by Lorentz force (interaction between a magnetic field and an electric current). In this embodiment, the motor 2 is a motor (a commercially available electric motor for models) that rotates the rotary shaft 21 using electric power supplied through a cable (not shown) connected to the connector (C). Using. Note that a "male member (5)" to be described later is attached to the tip of the rotating shaft 21 of the motor 2.

-Impeller 3-
As shown in FIG. 2, the impeller 3 includes a boss 31 and a plurality of blades 32 provided around the boss 31. The boss 31 is a member that forms the rotation center of the impeller 3, and the blades 32 rotate with the rotation of the boss 31 and play the role of generating air flow in a certain direction. In this embodiment, as the impeller 3, a seven-blade rotor including seven eboshi-shaped blades 32 arranged radially around the boss 31 is used. The impeller 3 is further provided with a female portion 33 that passes through the center of the boss 31. In this embodiment, the female portion 33 is provided by providing a substantially hexagonal through hole in the center of the boss 31. Further, on the back side of the boss 31, a bottomed receiving part 34 is provided by forming grooves outward from two diagonal corners of the female part 33. Since the receiving portion 34 has a bottom, it cannot be seen from the surface side of the boss 31.

-Guard 4-
The guard 4 secures safety during use of the blower 1 of the present invention by surrounding the motor 2 and the impeller 3. Furthermore, since the guard 4 needs to have a structure that allows the flow of air generated by the rotation of the impeller 3 to pass through, at least the portion facing the front and back surfaces of the blades 32 of the impeller 3 is provided with a mesh. Openings are provided in a shape, a mesh shape, a grid shape, or the like. In this embodiment, the guard 4 has two members: a dome-shaped guard main body 41 and a guard lid 42 that covers the opening of the guard main body 41, and the guard main body 41 and the guard lid 42 are screwed together. As a result, a space surrounding the motor 2 and the impeller 3 is formed. Note that the motor 2 is fixed at the center of the guard main body 41.

-Male member 5-
As shown in FIG. 3, the male member 5 is attached to the rotating shaft 21 of the motor 2. As shown in FIG. In this embodiment, a hexagonal columnar male member body 51 is integrally provided on a disk-shaped seat portion 50 as the male member 5, and a male threaded portion 52 is further provided at the center of the male member body 51. An erected one was used. The end face shape of the male member main body 51 is dimensioned to fit into the female portion 33 provided on the impeller 3, and the height of the male member main body 51 is such that it can fit into the female portion 33 provided on the impeller 3. The dimensions are the same as the thickness of the boss 31. Furthermore, the male member 5 in this embodiment is provided with a protrusion 53 by providing a columnar claw extending outward from a diagonal portion of the male member main body 51. The male member 5 is fixed to the motor 2 by pushing the rotating shaft 21 of the motor 2 into a through hole 54 provided along the central axis of the male member 5.

In the blower 1 of the present invention, the motor 2 and the impeller 3 are connected by fitting the male member 5 and the female part 33, and by a male screw part provided on the end surface of the male member 5. This is done by screwing the "screw (6)" into 52.

-screw 6-
The screw 6 plays a role in maintaining the fitted state between the male member 5 and the female part 33. As shown in FIG. 4, in this embodiment, the screw 6 has a female threaded portion 61 in the center of a flat seat surface 60 that can be screwed into the male threaded portion 52 provided on the male member 5. A knurled screw was used.

In constructing the blower 1 of the present invention having the above configuration, first, as shown in FIG. (In this embodiment, the projection 53 provided on the male member 5 is further fitted into the receiving portion 34 provided on the back side of the boss 31.) If the screw 6 is fastened to the male threaded portion 52 in this state, the fitted state between the male member 5 and the female portion 33 is maintained, and the motor 2 and the impeller 3 are connected. Finally, by screwing the guard lid 42 onto the guard main body 41 to which the motor 2 is fixed, a space surrounding the motor 2 and the impeller 3 is formed, thereby forming the blower 1 of the present invention. is constructed.

In the blower 1 of the present invention, when the motor 2 and the impeller 3 are connected, the male member is arranged such that the surface of the boss 31 and the end surface of the male member 5 form a flush flat surface. Since the height dimension of the main body 51 is set, when the screw 6 is fastened, the flat surface and the seat surface 60 of the screw 6 come into surface contact (see the enlarged view of FIG. 1(b)).

This improves durability against tightening of the screw 6 when attaching the impeller 3 to the motor 2.

Furthermore, in the blower 1 of the present invention according to the present embodiment, in connection with the motor 2 and the impeller 3, not only the male member 5 and the female part 33 are fitted, but also the male member 5 is provided with a Since this is done by fitting the protrusion 53 which is provided with a bottom into the bottomed receiving part 34 provided on the back side of the boss 31, the impeller 3 cannot be attached to the motor 2 in an upside-down state. This allows the impeller 3 to be correctly attached to the motor 2.

By the way, in the present embodiment, the male member 5 has a hexagonal column shape, and the female part 33 has a shape that allows the male member 5 to fit therein, but the shapes of the male member 5 and the female part 33 is not particularly limited. Further, there is no need to align the shapes of the male member 5 and the female portion 33. In short, if the female part 33 and the male member 5 are fitted together, the rotation shaft 21 of the motor 2 and the rotation center of the impeller 3 may be aligned in the same straight line. . Further, the protrusion 53 and the receiving portion 34 are also not essential components of the present invention.

In addition, in this embodiment, since the male member 5 was provided with the male threaded portion 52, the screw 6 was provided with a female threaded portion 61. The screw 6 may be provided with a male screw.

<Garment 10 of the present invention>
FIG. 6 shows a garment 10 of the present invention equipped with the blower 1 of the present invention. The garment 10 of the present invention has the blower 1 of the present invention attached to the garment body (W). The garment 10 of the present invention sends outside air into the garment body (W) by generating a flow of air from the outside to the inside of the garment body (W) using the blower 1 of the present invention. It cools the inside of the main body (W). In this embodiment, the garment 10 of the present invention was constructed by making holes at a plurality of locations (two locations) in the garment body (W) and attaching the blower 1 of the present invention to each hole. In addition, regarding the electric power for driving each of the blowers 1 of the present invention, the electric power stored in the battery (B) is supplied through the cable (L).

Note that the present invention may be embodied in various other forms without departing from its spirit or essential characteristics. Therefore, the above-described embodiments are merely illustrative in all respects, and should not be interpreted in a limiting manner. The scope of the present invention is indicated by the claims, and is not restricted in any way by the main text of the specification. Furthermore, all modifications and changes that come within the scope of equivalents of the claims are intended to be within the scope of the present invention.

INDUSTRIAL APPLICATION This invention is suitably utilized as a means to cool the inside of a clothing main body by supplying outside air into a clothing main body.

1 Air blower of the present invention (air blower)
2 Motor 21 Rotating shaft 3 Impeller 31 Boss 32 Blade 33 Female part 34 Receiving part 4 Guard 5 Male member 50 Seat part 51 Male member main body 52 Male thread part 53 Projection 54 Through hole 6 Screw 60 Seat surface 61 Female thread part 10 pieces Invented clothing (clothing with a blower)

Since the air blower-equipped clothing supplies the air flow generated by the rotation of the impeller into the clothing body through the guard, dust contained in the outside air is likely to accumulate in the guard. It was something. Therefore, after the garment with the blower is used for a certain period of time, maintenance work is required to remove dust within the guard of the blower.

Claims (3)

The garment includes a motor, an impeller connected to a rotating shaft of the motor, and a guard surrounding the motor and the impeller, and is attached to the garment body to send outside air into the garment body. A blower,
The connection between the motor and the impeller is achieved by fitting a male member attached to the rotating shaft of the motor with a female part provided through the center of the boss of the impeller, and by fitting the male member to the impeller. This is done by screwing a screw into a female threaded part or a male threaded part provided on the end face of the
A blower characterized in that the surface of the boss and the end surface of the male member form a flush flat surface, and the flat surface and the seat surface of the screw are in surface contact. The blower according to claim 1,
The blower is configured such that when the motor and the impeller are connected, a protrusion provided on the male member and a bottomed receiving portion provided on the back side of the boss fit together. Clothes with a blower, characterized in that the blower according to claim 1 or 2 is attached to a clothes body.

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