JP4134871B2 - Blower - Google Patents

Description

  The present invention relates to a blower capable of rotating a blower for generating an air flow by a plurality of connecting devices so as to be rotatable, and changing a blowing direction of each blower.

  As described in Japanese Patent No. 3013686, a conventional blower has a structure in which a plurality of axial flow fans are arranged in a row and are integrally formed, and both ends of the blower are rotatably supported by an attachment device. The blower fixed to the mounting device is rotatably supported by the mounting device, and the airflow is blown in the direction of rotation on one rotating shaft. Can be changed.

Patent 3013686

  A conventional blower is fixed to a ceiling or the like and is rotatably supported by one rotating shaft, and can change the blowing direction of the airflow. For example, another rotating shaft other than the rotating direction of one rotating shaft can be used. When blowing in a plurality of directions so as to generate airflow also in the rotation direction, there is a problem that the number of fans must be increased by installing another blower according to the blowing direction.

In addition, after the blower is installed, changing the blowing direction and adjusting the angle can be changed only in the rotation direction of one rotating shaft, so when blowing in multiple directions at the same time, or changing the blowing direction of the air flow in multiple different directions, When adjusting the angle, there is a problem that it is not easy to change the blowing direction or adjust the angle, for example, a construction for changing the mounting direction is required.
Moreover, in the conventional air blower, the length of the air blower was matched with the installation location. For this reason, there are problems such as an increase in types of products, difficulty in improving productivity, an increase in labor for transportation and handling, and an increase in product cost.

For blower blower was connected by the connecting device a plurality of fans according to the present invention, coupling device and the support portion for supporting one of the blower consists of a supporting portion for supporting the other blower, the supporting portion of the one It will have a mounting portion for fixing the blower to the ceiling or the like, the one support part and the other support portion is pivotally coupled, blowing one blower base its connecting portion to the other blower It is connected to change the direction.

The present invention, pivotally connected to a connecting device a plurality of blowers, since to change the blowing direction of the air current, of each of the blower blowing airflow direction can be easily changed, thereby during installation installation work is Ru can be easily. And the ventilation direction can be easily changed by changing the connection state of each air blower, and there exists an effect by which the airflow according to a use is obtained.

Embodiment 1 FIG.
In the first embodiment, a plurality of fans are connected by a connecting device, the fans on both sides are rotatably supported with respect to the central fan, and the change in the direction of air flow can be freely changed. Will be described with reference to FIG.

The blower is installed in a ceiling-mounted or ceiling-fixed ceiling surface in an underground parking lot, machine room, warehouse, factory, store, etc., or placed on the floor, etc. It is used as an air curtain for shutting off air or blocking air at entrances and exits.
In the figure, the blower 1 has a configuration in which a plurality of blowers 2a, 2b, and 2c are connected by connecting devices 12a and 12b.
The following description will be made with respect to the relationship between the fans 2a and 2b, and the relationship between the fans 2a and 2c is the same as the relationship between the fans 2a and 2b except that the shape of the components of the coupling device is symmetric, and will be omitted.

Since the internal structure of the air blowers 2a, 2b, and 2c has the structure shown in FIG. 4, the case of the air blower 2a will be described.
Four sets of the configuration of FIG. 4 are incorporated in the main body 3a of the blower 2a. The main body 3a has four suction ports 5 arranged in one side, the other provided with an outlet 6 communicating with the inlet 5, and an axial impeller 4 between the inlet 5 and the outlet 6; And an electric motor 8.
The suction port 5 is formed in a bell mouth shape 7. The air outlet 6 is provided with a guide 9 that divides the air outlet 6 into a plurality of parallel and elongated openings, and the guide 9 is formed in a substantially pentagonal shape with the air outlet 6 side as a base, and a corner portion 9a of the guide 9 The belt-like airflow is blown out by rounding the lower end 6a of the air outlet 6 facing the corner 9a.

The blower 1 is used in combination with this blower. Depending on the application, different combinations of lengths may be combined as in this embodiment. Moreover, it is also possible to use a combination of blowers having different structures, such as a combination of this axial flow blower and a reflux type or multi-blade type blower described later.
The connecting device has 12a attached to the left side of the blower 2a and 12b attached to the right side, but 12a and 12b are in a symmetrical relationship, and 12a will be described as a representative, and 12b refers to this.

The connecting device 12a is configured by fastening and connecting a connecting plate 13a attached to the side plate 10a side of the blower 2a and a connecting plate 13b attached to the side plate 10b side of the blower 2b with a connecting screw 15.
The side plate 10a of the blower 2a has a support screw 14a for attaching the connecting plate 13a and an angular pitch screw hole 11 for determining the rotation position, with the support screw 14a as the center, in order to rotatably support the blower 2b. The pitch circles are provided in the range of 180 degrees at intervals of 10 degrees. In addition, rotation of the air blower 2a rotates using the support screw 14a as a rotating shaft.

The connecting plate 13a coincides with the position of the through hole 18 through which the support screw 14a provided in the side plate 10a of the blower 2a is inserted and fastened, and the angle pitch screw hole 11 of the side plate 10a that determines the rotational position of the blower 2a. The mounting surface 17 has a positioning hole 19 through which the set screw 19a is inserted. If the support screw 14a and the set screw 19a are loosened, the air blower 2a can be rotated, for example, in the vertical direction to determine the position of the air flow direction. When the position is determined, the support screw 14a and the set screw 19a are tightened and fixedly supported.
Above the attachment surface 17, an attachment surface 25 as an installation attachment means for attaching the blower 1 to the ceiling surface of the building or the like is formed at right angles to the attachment surface 17. The mounting surface 25 is provided with two mounting holes 25a for tightening screws.

  Further, a rising surface 20 is formed on the side of the mounting surface 17 at a right angle to the mounting surface 17, and an end of the rising surface 20 is bent at a right angle to the opposite side of the mounting surface 17, so A place is formed. The connection support portion 21 includes a connection screw hole 35 provided in the connection support portion 34 of the connection plate 13b attached to the blower 2b, and a set screw for tightening the connection hole 22 and the set screw 23a so as to coincide with the angle pitch hole 36. A hole 23 is provided. By connecting the connecting plates 13a and 13b and tightening the connecting screw 15, the connecting plates 13a and 13b are connected.

  If the connecting screws 13a and 13b loosen the connecting screw 15 and the set screw 23a, the position of the connecting plate 15a and 13b is changed by changing or adjusting the air blowing direction by rotating the blower 2b around the connecting screw 15, for example, in the left-right direction. I can decide. The rotation of the blower 2b is rotated about the connecting screw 15 as a rotation axis. When the position is determined, the connecting screw 15 and the set screw 23a are tightened and fixedly supported.

The connecting plate 13b attached to the blower 2b has a through hole 31 through which a support screw 14b provided on the side plate 10b of the blower 2b is inserted and fixed, and an angular pitch screw hole 11 of the side plate 10b that determines the rotational position of the blower 2b. It has the attachment surface 30 which has the positioning hole 32 which penetrates the set screw 32a which corresponds to this position.
Further, on both the upper and lower sides of the mounting surface 30 of the connecting plate 13b, the connecting screw hole 35 and the angle are aligned with the connecting hole 22 and the set screw hole 23 of the connecting support portion 21 of the connecting plate 13a attached to the blower 2a side. A connection support portion 34 provided with a pitch hole 36 is formed.
The connection support part 34 of the connection plate 13b is attached so as to be sandwiched outside the connection support part 21 of the connection plate 13a.
The angle pitch holes 36 are formed on the pitch circle centering on the connecting screw holes 35 in a range of 180 degrees at intervals of 10 degrees with the holes being broken and connected. In addition, rotation of the air blower 2b rotates using the support screw 14b as a rotating shaft.

The blower 1 configured as described above rotates the connecting screw 15 tightened in the connecting hole 22 and the connecting screw hole 35 of the connecting support portions 21 and 34 of the connecting device every 10 degrees with the rotation axis as the rotation axis. By rotating the support screws 14a supported by the through holes 18 and 31 of the connecting plates 13a and 13b about the rotation axis at every 10 degrees, the rotation direction can be changed in each of a plurality of directions to freely adjust the blowing direction. be able to.
The blowers 2a, 2b, and 2c blow out the air sucked from the suction port 5 from the blowout port 6, and this blown airflow changes the installation state of the blower so that the indoor air is directed from the inside to the outside, for example. It can be transported ductlessly, or it can be circulated to stir the air, or can be installed at the entrance of the room to block the air in the indoor / outdoor space as an air curtain.

In addition, the connecting device can change the blowing direction of a plurality of blowers and blow the belt-like airflow in different directions with a single blower, so it is necessary to change the installation or increase the number of blowers for each blowing direction. Absent.
Also, after installing the blower, it is easy to change and change the blowing direction, so positioning accuracy is not required when installing, and work to change the blowing direction and installation work are made easy Can do.
Further, the air blower 1 can be easily finely adjusted with the angle pitch holes 11 and 36 provided in the side plate 10a and the connecting plate 13b, for example, in the vertical and horizontal directions of the airflow blowing angle at the time of installation.

Also, by using an axial blower, it is possible to blow out a belt-like airflow with low noise and a long reach distance, which is suitable for an air curtain, etc. By arbitrarily setting the angles of the devices 12a and 12b, an air curtain having an arbitrary shape such as a curved curtain flow can be easily made.
Also, by changing the number of fans connected, the overall length of the blower can be changed according to the width of the installation location, so there is no need to make a blower with a dedicated length for each installation location. Productivity can be increased by reducing the number of types and standardizing.

In addition, the blower may be used in a straight state as shown in FIG. 10, but during transportation, by folding the left and right blowers as shown in FIG. 11, the product length can be shortened and the packing is made compact. It is easy to handle and transport.
In this embodiment, the axial flow fans are arranged in a row and explained using a blower that blows a strip-shaped air flow. However, the type of blower to be used is not limited to this, and a cross-flow blower or a multi-blade blower is used. Thus, a blower according to the application can be configured. For example, in the case of a once-through type blower, the cross-sectional area of the blower can be reduced, and a long and narrow blower can be formed and installed in a small space. In addition, in the case of a multi-blade type blower, a high static pressure blow-out flow can be generated, and a high-speed air flow can be obtained.

Embodiment 2. FIG.
The second embodiment is a blower having a structure in which the support strength of the blower is increased, and a support structure is provided outside the blower supported by the connecting device. Although it demonstrates using FIG. 12, 13, except regarding the support structure of the outer side of an air blower, it is the same as Embodiment 1, and description is abbreviate | omitted.
In the figure, the description of the blower will be given by the relationship between the blowers 2a and 2b, and the relationship between the blowers 2a and 2c is the same as the relationship between the blowers 2a and 2b except that the shape of the components is symmetric.

  A support plate 60 attached to the opposite side plate 10b connected to the connecting device 12a of the blower 2b, and a connecting portion 61 provided at an end of the attachment surface 25 of the connecting plate 13a of the connecting device 12a attached to the blower 2a; Are connected to the connection channel 62, and the vibration of the support plate 60 is received by the connection plate 13a to prevent the blower 2b from shaking due to the vibration of the blower 2b.

  The support plate 60 is positioned at a free position by rotating the blower 2b and the through hole 63 in which the support screw 14b of the side plate 10a of the blower 2b is inserted into the surface 60a to be fastened and fixed to the side plate 10b of the blower 2b. A positioning hole 64 corresponding to the plurality of angular pitch holes 11 provided in the side plate 10a of the blower 2b that can be formed is provided, and a connection channel is provided at the upper end of the surface 60a at a right angle to the surface 60a. A slit 66 for tightening 62 (a slit in a state where holes are continuously processed and the holes are broken and connected) is provided at an angle with respect to the surface 60a. The angle is provided so that the track | orbit which the air blower 2b can rotate can be followed.

The positioning hole 64 and the angle pitch hole 11 are tightened with a set screw 64a after setting the blowing direction of the blower 2b, and the mounting portion 60b and the side plate 10a of the blower 2b are fixed.
As described above, the outer end of the blower 2b is fastened with the attachment plate 60 and the connection plate 13a connected to the connection channel 62, and the vibration is transmitted from the vicinity of the installation place, the vibration of the blower itself, the earthquake Stable mounting can be maintained by suppressing the shaking of the outer end of the blower against the shaking. This is an effective method particularly for long blowers.

Embodiment 3 FIG.
In Embodiment 3, a plurality of fans are rotatably attached to one connecting member for connecting the fans. The blower is the same as in the first embodiment, and a description thereof will be omitted. Here, the connection structure will be described with reference to FIG.
In the figure, the blowers 2a, 2b, 2c are rotatably attached to a connecting member 71 via support members 72, 73, respectively.
The central blower 2a is attached so that the supporting member 72 is fixed to the side plates 10a on both sides and is suspended from the connecting member 71.

The support member 72 has two planes configured in an L shape, and a surface 72a attached to the side plate 10a has a through hole 74 through which a support screw 14a for supporting the blower is inserted, and the side plate 10a is rotated by positioning the blower. A plurality of positioning holes 75 that match the angular pitch holes 11 provided in a pitch circle are provided, and a mounting bolt 76 for fixing to the connecting member 71 is fixed to the other surface 72b of the L-shape.
The connecting member 71 is provided with two mounting holes 77a for fastening and fixing the mounting bolts 76 of the support member 72 for mounting the blower 2a at predetermined intervals according to the length of the blower 2a.
Further, mounting holes 77b for mounting the fans 2b and 2c mounted on both sides of the fan 2a and a plurality of holes for rotating and positioning the fans 1a, 2b and 2c around this hole are provided at intervals of 10 degrees. An arc-shaped slit 80 that is continuously opened and connected to a hole is provided at a predetermined distance from the mounting hole 77a.

The blowers 2b and 2c are fastened and fixed to the connecting member 71 by U-shaped support members 73 so as to support the support screws 14b on both sides.
The support member 73 has a top plate 78 and support plates 81 formed on both sides thereof in a U-shape, and a mounting bolt 79 for fixing to the connecting member 71 is fixed at the center of the top plate 78.
The support plate 81 is provided with a bearing portion 82 that supports the blower, and the bearing portion 82 supports the support screw 14b of the blower 2b. The shape of the bearing portion 82 is an inverted U shape, and is an opening with one end cut off.
In addition, positioning holes 83 are provided that match a plurality of angular pitch holes 11 arranged in a pitch circle provided in the side plate 10b that rotates the blower and positions the blowing direction around the bearing portion 82.

The connecting member 71 is a long material having a U-shaped cross section provided with rising portions 71b on both sides of the flat surface 71a, and the mounting holes 77a and 77b and the slit 80 described above are provided in the flat surface portion 71a.
Moreover, the attachment part 71c for attaching and fixing to the ceiling etc. of a building is provided in the both ends.
In the air blower configured in this way, the connecting member 71 is U-shaped and has high strength, and each fan is attached to the connecting member 71 so as to be suspended by a bolt at the center of each fan. Good balance and stable installation. Moreover, the change of the air blowing direction of the blower can be easily performed in a plurality of directions, for example, in the vertical direction and the horizontal direction.

  According to the present invention, the change and adjustment of the air blowing direction can be made freely, and the change after the installation can be made easily, so that the air flow such as blowing or circulating indoor air can be freely set.

It is an external appearance perspective view of the air blower of Embodiment 1. It is an upper top view of the air blower of Embodiment 1. It is a front view of the air blower of Embodiment 1. It is sectional drawing of the air blower of the air blower of Embodiment 1. It is a side view of the air blower of the air blower of Embodiment 1. It is a front view of the connecting plate of the connecting device of Embodiment 1. FIG. 3 is an upper plan view of a connection plate of the connection device according to the first embodiment. It is a front view of the connecting plate of the connecting device of Embodiment 1. FIG. 3 is a lower plan view of a connection plate of the connection device according to the first embodiment. It is a top view of the linear state of the air blower of Embodiment 1. It is a top view of the bending state of the air blower of Embodiment 1. It is an external appearance perspective view of the air blower of Embodiment 2. It is an external appearance perspective view of the support plate of Embodiment 2. It is an external appearance perspective view of the air blower of Embodiment 3.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Air blower, 2a, 2b, 2c Blower, 10a, b side plate, 12a connection device, 13a connection plate, 13b connection plate, 14a, b support screw, 15 connection screw, 21 connection support part, 34 connection support part, 60 support A board, 61 support part, 62 connection channel, 71 connection member, 72 support member, 81 support plate.

Claims (4)

A blower which is connected by a connecting device a plurality of blowers, and a support portion the coupling device for supporting one of said fan, consists of a supporting portion for supporting the other of the blower, the supporting portion of the one have a mounting portion for fixing the blower to the ceiling or the like, the one support part and the other support portion is pivotally coupled relative to said one blower said other blower base the connecting portion The air blower is characterized in that the air blow direction is changeable. A blower which is connected by a connecting device a plurality of blowers, and a support portion the coupling device for supporting one of said fan, consists of a supporting portion for supporting the other of the blower, the supporting portion of the one have a mounting portion for fixing the blower to the ceiling or the like, the one support part and the other supporting portion is connected, said one of the support portions is provided a rotation unit for supporting the blower, the blower is the An air blower characterized in that the air blowing direction is supported around a rotating part so as to be changeable. A blower which is connected by a connecting device a plurality of blowers, and a support portion the coupling device for supporting one of said fan, consists of a supporting portion for supporting the other of the blower, the supporting portion of the one have a mounting portion for fixing the blower to the ceiling or the like, the one support part and the other support portion is pivotally connected, said one fan as a base point the coupling portion relative to the other blower The air blowing direction is connected so as to be changeable, and each support portion is provided with a rotation portion that supports each of the air blowers, and the air blower is attached so that the air blowing direction can be changed around the rotation portion. A blower characterized by. The one end which is not connected to the connecting device of the fan connected so that rotation is possible, and the said connecting device are connected, The connecting member which supports the said one end not connected is provided . The air blower in any one of to.

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