JPH022960Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention integrates an electric motor and a cooling fan,
This relates to a blower that can use high-temperature gas from 250°C to about 30°C, and more specifically, the position of the inlet and outlet can be easily changed to suit the installation location of the blower. The present invention also relates to a device in which the mounting position of the leg portion can be freely set.

[Conventional technology]

Among conventional blowers, there are those in which the electric motor and cooling fan are integrated (Utility Model Application No. 47-26404), and those in which the installation position of the blower can be moved up and down (Utility Model Application No. 57-153800). Was. On the other hand, among blowers in which the electric motor and cooling fan are not integrated, there is one in which the positions of the inlet and outlet can be changed (Japanese Utility Model Publication No. 49-93002).

[Problems to be Solved by the Invention] A conventional blower in which an electric motor and a cooling fan are integrated has a problem in that the positions of the suction port and the discharge port cannot be changed in various settings.

In addition, in conventional blowers whose mounting position can be moved only up and down, the height of the discharge port can only be set arbitrarily, and the position of the suction port and the direction of the discharge port cannot be changed arbitrarily. I couldn't do it.

Moreover, in the conventional blower, there is no such thing as being able to be directly installed in a special installation location, such as the locations shown in FIGS. 6c, d, and e of the accompanying drawings.

The purpose of the present invention is to provide a blower that integrates an electric motor and a cooling fan, allows the positions of the inlet and outlet to be changed as desired, and can be adapted to any installation location. shall be.

[Means to solve the problem]

In order to solve the above problems, the present invention consists of a casing 10, a blade wheel 11, an electric motor 12, and legs 28 that support these. In a blower in which an electric motor 12 is provided and a discharge port 15 is provided in a direction perpendicular to the drive shaft 16 of the impeller 11, the outer diameter of the impeller 11 is formed on both sides of the casing 10, the suction side side and the motor side side. An appropriate number of screw holes 14 are provided at regular intervals on the periphery of both openings, and a suction port side side plate 20 having a suction port 13 is provided on the side surface on the suction port side. It is removably screwed into the hole 14, and similarly, a blade wheel cover plate 24 having an insertion hole for the central drive shaft 16 and a bracket 31 for fixing the electric motor 12 are removably screwed onto the side surface on the motor side. , intake port side side plate 20
The mounting positions of the blade wheel cover plate 24 and the bracket 31 can be exchanged and changed.Furthermore, a cooling fan 35 is installed on the drive shaft 16 inside the bracket 31, and the legs 28 are installed at the installation location. A suitable number of them are screwed together with the suction port side side plate 20 and the impeller cover plate 24 of the casing 10 at any of the screwing positions of the suction port side side plate 20 and the impeller cover plate 24 so as to fit the blade. The leg portion 28 screwed onto the vehicle cover plate 24 side is interposed between the impeller cover plate 24 and the bracket 31, and the screw insertion hole 2 provided in the leg portion 28 is inserted between the blade wheel cover plate 24 and the bracket 31.
9 is made into a long hole so that the mounting position and the orientation of the suction port 13 and the discharge port 15 can be freely set.

[Effect]

In this invention, the suction port side and the motor side can be interchanged, the direction of the discharge port can be freely set depending on the mounting position of the legs, and it can also be adapted to special installation locations. It becomes possible to install it directly.

〔Example〕

An embodiment will be described below based on the attached drawings.

FIG. 1 is a partially cutaway front view of a blower according to the present invention, and FIG. 2 is a right side view. The cutout in FIG. 1 shows the cross section taken along line A-A'-B-O-B' in FIG. 2, but the cross section of the impeller 11 is shown in a different section for ease of understanding. The blades of the impeller are flat and arranged radially with respect to the rotation axis.

10 is a casing, and a circular opening (not shown) having a diameter slightly larger than the outer diameter of the impeller 11 is provided on both sides of the suction port 13 side and the electric motor 12 side so that the impeller 11 can be inserted therein. ) are provided for each.

A screw hole 14 is provided along the entire periphery of the circular opening.
However, as shown in FIG. 2, the center angles θ of the adjacent screw holes 14 are all 45 degrees, and they are provided in eight symmetrical locations. These screw holes 1
4 are provided at the same position on both sides of the casing 10 on the suction port side and the motor side.

FIG. 3a is a front view of the side plate 20 on the side of the suction port, and FIG. 3b is a sectional view taken along line C-O-C'. The outer diameter of the side plate 20 is circular, and the outer diameter is larger than the diameter of the circular opening on the side surface of the casing 10. 13 is an inlet port, 21
are screw insertion holes, and the screw insertion holes 21 are provided at eight locations along the outer periphery of the suction side side plate 20, and are provided at the same position so as to fit with the screw holes 14 of the casing 10. There is. Further, when attaching the damper 41 as necessary, stud bolts 22 are installed in the side plate 20. In this embodiment, stud bolts are provided at four locations as shown in FIG. 3, so that the damper 41 can be attached.

FIG. 4a is a front view of the blade wheel cover plate 24,
FIG. 4b is a sectional view thereof. 25 is the wing wheel 11
26 is a drive shaft insertion hole, and 26 is a screw insertion hole. The screw insertion holes 26 are provided at eight locations along the entire outer periphery of the cover plate 24, and are provided at eight locations along the entire outer peripheral edge of the cover plate 24.
It is provided at the same position so as to fit with the screw hole 14 of. The outer shape of the impeller cover plate 24 is also circular, and has the same outer diameter as the outer diameter of the inlet side side plate 20 shown in FIG. Therefore, the positions of the screw insertion holes 21 and 26 are also exactly the same. As a result, the intake port side side plate 20 and the motor side impeller cover plate 2
4 can be attached to either side of the casing 10, respectively.

In this embodiment, the screw hole 14 of the casing 10
are provided at eight locations, but the number can be selected arbitrarily, and the external shapes of the inlet side side plate 20 and the impeller cover plate 24 do not necessarily have to be perfectly circular, and the shapes can be changed to some extent. and the casing 10
It is only necessary that the screw hole 14 and the screw insertion holes 21 and 26 of the suction port side side plate 20 and the impeller cover plate 24 be provided at the same position so as to be compatible with each other.

Returning to FIG. 1, reference numeral 28 denotes an L-shaped thin-walled rod-like leg portion that supports the casing 10, and four of these are used in this embodiment. On the suction port side, the leg portion 28 is connected to the suction port side side plate 2.
0, the leg portion 28 is screwed into one of the eight screw insertion holes 21 provided on the outer peripheral portion of the side plate 20. On the other hand, on the electric motor side, a leg portion 28 is interposed between the blade wheel cover plate 24 and a bracket 31 that supports the electric motor 12, which will be described later, so that it can be screwed onto the casing 10.

Next, a bracket 31 supporting the electric motor 12 is shown in FIG. FIG. 5a is a front view thereof, and FIG. 5b is a sectional view taken along the line D-O-D'.

The screw insertion holes 32 provided at four locations match the screw holes 14 provided on the side surface of the casing 10, and can be screwed with the impeller cover plate 24 and leg portion 28 interposed therebetween. As mentioned earlier, the screw hole 14 provided in the casing 10
Since the brackets 31 are arranged at the same central angle around the periphery of the circular opening on the side of the casing 1,
It can be attached to any position on the side surface of 0 by rotating it in the circumferential direction of the side surface.

Although the leg portion 28 can be screwed on the outside of the bracket 31, it is more preferable to provide it between the blade wheel cover plate 24 and the bracket 31 in order to increase the heat resistance effect. This is because by interposing the leg portions 28, the thickness of the air layer 30, which is a heat insulating layer, becomes thicker by the thickness of the leg portions 28.

The motor mounting flange portion 33 is attached to the bracket 31
It can be screwed onto the motor support portions 34 at four locations. At this time, the configuration is such that a cooling fan 35 can be installed between the bracket 31 and the electric motor 12. This is also a means to increase heat resistance.

For this purpose, stepped portions 37 are provided on the inner surface 36 of the motor support portion 34 at four locations of the bracket 31, and a donut-shaped disk 38 with an inlet port provided in the center is installed on the stepped portions 37. In order to fix the disc 38, an air guide 39 is interposed, and the disc 38 is pressed and fixed by the motor mounting flange 33 (see FIG. 1). The air guide 39 is ring-shaped, and the air suction port 40 is cut out.
Outside air can be sucked in through this cutout.

As described above, since the cooling fan 35 is installed between the bracket 31 and the electric motor 12, as shown in FIGS. is discharged to.

As mentioned earlier, four L-shaped legs 28 are used in this embodiment, but they are removable, and any number from one to four can be used depending on the installation location. It is also possible to use If the legs are not required, a washer having the same thickness as the legs 28 may be used between the blade wheel cover plate 24 and the bracket 31 on the motor side.

Further, in order to screw the legs 28 onto the casing 10, each leg 28 has a screw insertion hole 29.
are bored at two locations, and the screw insertion holes 29 are provided as elongated holes. This allows the length of the leg portion 28 to be freely adjusted and the height to be adjusted when the casing is attached.

FIG. 6 briefly illustrates various installation examples of the blower according to the present invention.

In this embodiment, an L-shaped rod-shaped leg 28 is used, but a U-shaped leg can also be used, and the shape thereof is completely free.

As described above, one embodiment has been described, but in a blower that does not require heat resistance, there is no need to separate the impeller cover plate 24 and the bracket 31, and only the motor side plate that has the functions of both is used. Just using it is enough. In short, the feature of the present invention is that the positions of the suction port side and the electric motor side can be exchanged and changed, and furthermore, the blower of the present invention can be installed in any position depending on the configuration of the support member. However, the present invention is not limited to the one embodiment described above.

[Effect of idea]

The blower of the present invention having the above-mentioned configuration allows the positions of the suction port and the electric motor to be exchanged and changed, which is very convenient when changing the installation location of the blower or recombining with other devices. becomes.

Further, depending on the configuration of the leg portion, the discharge port can be oriented in any radial direction orthogonal to the drive shaft of the impeller.

Furthermore, by using the method of attaching the legs, it can be directly and easily attached to special installation locations such as stepped sections.

In this way, the positions of the suction port and the discharge port can be freely changed in one blower, and one blower has the functions of about 10 blowers.

As described above, the present invention is highly practical and has significant effects.

[Brief explanation of the drawing]

The drawings all show embodiments of the present invention; Fig. 1 is a partially cutaway front view of the entire blower, Fig. 2 is a right side view thereof, Fig. 3a is a front view of the side plate on the inlet side,
Figure 3b is a sectional view taken along the C-O-C' line, Figure 4a
is a front view of the impeller cover plate, FIG. 4b is a longitudinal sectional view thereof, FIG. 5a is a front view of the bracket, FIG. 5b is a sectional view taken along the line D-O-D', and FIG. It is an explanatory view showing the place where the blower of the invention is installed in various modes. Codes in the figure: 10...Casing, 11...Blade wheel, 12...Electric motor, 13...Intake port, 14...
Screw hole, 15... Discharge port, 16... Drive shaft, 20
...Suction port side side plate, 24...Blade wheel cover plate, 28...
...Legs, 31...Brackets, 21, 26, 2
9, 32...Screw insertion hole.

Claims (1)

[Scope of utility model registration request] Casing 10, impeller 11, and electric motor 12
and a leg portion 28 that supports these, the suction port 13 is provided on one side of the casing 10, the electric motor 12 is provided on the other side, and the discharge port 15 is provided in a direction perpendicular to the drive shaft 16 of the impeller 11. In the blower installed in the casing 10, openings having a diameter larger than the outer diameter of the impeller 11 are provided on both sides of the casing 10 on the suction port side and on the motor side, and an appropriate number of screws are attached to the peripheral edges of both openings. An inlet-side side plate 2 having holes 14 provided at regular intervals and an inlet 13 on the side surface on the inlet side.
0 is removably screwed into the screw hole 14, and similarly, a blade wheel cover plate 24 having an insertion hole for the drive shaft 16 in the center and a bracket 31 for fixing the electric motor 12 are removably attached to the side surface on the motor side. and the suction port side side plate 20, the impeller cover plate 24 and the bracket 3.
The mounting position of 1 can be exchanged and changed,
Furthermore, a cooling fan 35 is installed on the drive shaft 16 inside the bracket 31, and an appropriate number of legs 28 are attached to the casing 10 to suit the installation location.
The suction port side side plate 20 and the blade wheel cover plate 24 are screwed together with the suction port side side plate 20 and the blade wheel cover plate 24, and are screwed to the blade wheel cover plate 24 side. The leg portion 28 is interposed between the impeller cover plate 24 and the bracket 31, and the screw insertion hole 29 provided in the leg portion 28 is made into a long hole. A blower characterized in that the direction of the blower can be freely set.