JP5528607B2 - Blower - Google Patents

Description

  The present invention relates to a blower installed at a high place in a living room.

  2. Description of the Related Art Conventionally, for example, in a duct ventilation fan, an electric motor and a fan driven by the electric motor are provided in an outer box that is opened in the lower surface and inserted into a mounting opening of a ceiling, and surrounds the fan. In the case where a plastic fan casing is provided, an electrical component storage portion having an opening on the lower surface is integrally formed on the outer periphery of the fan casing, and a connection portion for connecting the motor lead wire to the power supply line is provided. The connection terminal is stored in the electrical component storage part with the connection part facing the opening, and a lid for opening and closing the lower surface opening of the electrical component storage part is rotatably connected. In addition, a configuration is known in which the lid is provided with a convex portion that faces the opening of the electrical component storage portion from below and receives the connection terminal when the lid is open.

  According to this configuration, the workability can be improved because the power supply line can be connected to and disconnected from the connection terminal from the indoor side. In addition, by providing a projection on the inside of the lid that opens and closes the opening of the electrical component storage section, the connection terminal is not dropped even if the lid is opened, and each operation of connecting, removing and inserting the power supply line is confirmed Can be performed more easily. Furthermore, since the connection terminal is limited by the convex portion and is not pulled out more than a predetermined amount, the lead wire of the motor to which the connection terminal is connected is not subjected to excessive tension, and problems such as disconnection can be reduced. (For example, refer to Patent Document 1).

Utility Model Registration No. 2538003

  According to the above conventional technique, the power supply line can be attached to and detached from the connection terminal from the indoor side through the opening on the lower surface of the outer box. However, since the connection terminal is inside the opening and it is difficult for the hand to enter, workability is poor and improvement is desired. Furthermore, according to the above-mentioned conventional technology, there is a risk that the connection terminal may fall freely due to its own weight, and the connection terminal is not fixed when the power supply line is connected to the connection terminal. When plugged in, there is a problem that the connection terminal is retracted to the back side and it is difficult to connect the power line. In this way, if the electrical contact of the power supply line becomes insufficient, it not only causes a safety problem, but also may cause a fire. Furthermore, when a VVF cable is used as a power supply line, the built-in copper wire is thick and hard, so there is a problem that it breaks when bent suddenly during construction of the power supply connection, resulting in poor contact.

  This invention is made in view of the above, Comprising: It aims at obtaining the air blower which can make the installation work of the power wire with respect to a connection terminal easy, and can make fire prevention safety measures sufficient.

  In order to solve the above-described problems and achieve the object, the present invention supports an outer box formed on the side of the outer box and a ceiling surface or a wall surface formed with an inlet and an outlet. A mounting plate, a blade housed in an outer box and a blade that blows air from a suction port to a blower outlet, and a motor that drives the blade, and a terminal block that has a connection terminal that electrically connects a power line that supplies power to the motor to the motor. A side cover that covers the power supply line routed to the side of the mounting plate and the outer box, the side cover being guided perpendicularly to the side of the outer box, and the side of the outer box It is fixed by the fitting structure fitted to the direction perpendicular | vertical to the direction, and the magnet which adsorb | sucks to a mounting plate or an outer case in the position which the fitting structure fitted.

  According to the present invention, when attaching the side cover, an attachment screw is unnecessary, and the attachment / detachment process can be facilitated to improve workability.

FIG. 1 is a perspective view showing an embodiment of a blower according to the present invention. FIG. 2 is a front view seen from the blower outlet side of the blower. FIG. 3 is a front view seen from the inlet side of the blower. FIG. 4 is an exploded perspective view of the blower. FIG. 5 is a view of the blower end as seen through the side cover. FIG. 6 is a view of the same part as FIG. 5 seen from the side through the side cover. FIG. 7 is a perspective view of the blower end with the side cover removed. FIG. 8 is a perspective view showing the structure of the power supply line and the state of the end portion divided into three. FIG. 9 is a front view showing a state where the terminal block can be seen from the access opening formed on the side surface of the outer box. FIG. 10 is a perspective view showing a state of the terminal block in the access opening. FIG. 11 is a cross-sectional view showing a state in which the terminal block is pulled out to the connection work position. FIG. 12 is a cross-sectional view showing a state where the terminal block is in the storage position. FIG. 13 is a perspective view of the side cover as seen from the back side. FIG. 14 is a perspective view showing how the fan unit is assembled to the outer box. FIG. 15 is a schematic diagram illustrating screw positions in which the number of screws is reduced according to the present embodiment. FIG. 16 is a schematic diagram showing screw positions of screws used in a conventional fan unit shown for comparison. FIG. 17 is a schematic view showing a state where two adjacent fan units are fastened together by one screw at a position G in FIG. FIG. 18 is a perspective view of only the first orifice member and the second orifice member in FIG. FIG. 19 is an enlarged perspective view showing an end portion of the fan unit shown in FIG.

  Hereinafter, embodiments of a blower according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment.
FIG. 1 is a perspective view showing an embodiment of a blower according to the present invention, FIG. 2 is a front view seen from the blower outlet side of the blower, and FIG. 3 is a front view seen from the inlet side of the blower. The blower 100 has a long cubic box-shaped outer box 1 constituting an outer shell. An air outlet 2 and a suction port 3 are formed on two opposing surfaces of the outer box 1. The blower outlet 2 is formed in two upper and lower stages, and blows air from each of them as shown by an arrow A in FIG. The outer box 1 is installed so as to be suspended from, for example, the ceiling by mounting plates 7 provided at both ends. In the present embodiment, a pair of mounting plates 7 erected downward on a ceiling surface (not shown) pivotally supports both end portions of the outer box 1, and thereby, FIG. As indicated by an arrow B, the outer box 1 rotates to change the wind direction. The mounting plate 7 is covered with a side cover 8. The blower 100 may be installed not only on the ceiling surface but also on a vertical wall surface.

  FIG. 4 is an exploded perspective view of the blower. In the outer box 1, an orifice member 36 and an air guide member 37 are accommodated as air path forming members. The orifice member 36 and the air guide member 37 form an air path from the inlet 3 to the outlet 2 in the outer box 1. The air guide member 37 divides the air path vertically into two. Eight air paths are formed side by side in the longitudinal direction of the outer box 1. Corresponding to each air path, a fan 4 for moving air from the suction port 3 to the blowout port 2 and an electric motor 5 for driving the fan 4 are arranged. The orifice member 36 and the air guide member 37 which are air path forming members are divided in units of two sets of the fan 4 and the electric motor 5. That is, the two sets of the fan 4 and the electric motor 5, the orifice member 36 and the air guide member 37 corresponding thereto constitute one fan unit 40. In the outer box 1, four fan units 40 are accommodated in the longitudinal direction.

  A guard 38 is provided on the suction port side of the four fan units 40 arranged in the longitudinal direction for the purpose of protecting the fan 4, but the guard 38 is a single continuous member. A support bolt 12 that is the center of the rotation shaft when supported by the mounting plate 7 stands on the side surface 1 a of the outer box 1. At both ends of the outer box 1 in the longitudinal direction, a mounting plate 7 having a substantially L-shaped cross section and a side cover 8 that covers the mounting plate 7 are provided. The side cover 8 has a width of 80 to 150 mm and a thickness of 10 to 70 mm.

  FIG. 5 is a view of the blower end portion seen through the side cover 8, and FIG. 6 is a view of the same portion as FIG. 5 seen through the side cover 8 from the side. FIG. 7 is a perspective view of the blower end with the side cover 8 removed, and FIG. 8 is a perspective view showing the structure of the power supply line and the state of the end divided into three. The mounting plate 7 has a substantially L-shaped cross section, and includes a fastening portion 7b that extends along the ceiling surface 9 and a main body portion 7a that is bent at a right angle from the fastening portion 7b and extends downward. The mounting plate 7 of the present embodiment is fixed to the ceiling surface 9 by fastening a fastening portion 7 b with a nut 16 to a suspension bolt 15 extending downward from the ceiling surface 9.

  The mounting plate 7 pivotally supports the outer box 1 through a support bolt 12 in a through hole drilled in the lower end of the main body 7a. In the main body 7a, a plurality of angle adjusting holes 7c are perforated on a circular arc at a pitch of 11.25 degrees, and by selecting any one and stopping the angle adjusting bolt 14, the horizontal state shown in FIG. The air outlet 2 can be installed by changing the angle between a position rotated 90 degrees so that the air outlet 2 is directed vertically downward and a position where the air outlet 2 is directed upward 22.5 degrees.

  A power line 17 for supplying electric power to the electric motor 5 extends from the ceiling side and is routed through the side cover 8 and then inserted into the outer box 1. The power line 17 is a three-core VVF cable as shown in FIG. 8 and has a flat cross section in which the three electric wires 17a are arranged side by side and covered with the covering 17b. However, the power line 17 is very rigid and has a main surface 17c. Even if an attempt is made to bend within a plane including the main surface 17c (bend to the side without bending the main surface 17c), it is difficult to bend in that direction. Therefore, the power supply line 17 is bent in a direction in which the main surface 17c is bent or in a direction close thereto. In consideration of safety, when bending the power line of the VVF cable, the radius inside the bent part should be 6 times or more of the outer diameter of the power line so that the power line is not damaged. It is defined by technical standards for electrical equipment.

  As shown in FIG. 7, the power line 17 enters the side cover 8 from the ceiling side, passes through the induction hook 26, extends downward along the side surface 1 a of the outer box 1, and turns the arc downward. It bends to a hook shape and floats away from the outer box 1, then reverses after passing through the tension restraining part 20, changes its direction while twisting toward the outer box 1 while touching the guide pole 19, It extends through the central hole 18a of the terminal block cover 18 fixed to the inside of the outer box 1. A terminal block (not shown) is accommodated in the space inside the outer box 1 behind the terminal block cover 18, and the power line 17 is electrically connected to the lead wire of the motor 5 through the terminal block. The terminal block cover 18 is fixed to the side surface 1a by screws 25a, and is removed when the power supply line 17 is connected to the terminal block.

  For example, when the power supply line 17 is pulled to the ceiling side, the tension suppression unit 20 is to prevent the tension from reaching the terminal block or the connection point between the terminal block and the power supply line 17. The power supply line 17 is narrowed by a cord clip 21 provided on the upper part and fastened together with a nut 13 together with a mounting plate 7. One end of the cord clip 21 is engaged with the tension restraining portion 20, the other end is screw-coupled to the tension restraining portion 20 with a screw 25 b, and the power line 17 is sandwiched between the cord clip 21 and the tension restraining portion 20 and tightened with the screw 25 b. As a result, the power line 17 is strongly clamped. The tension suppression unit 20 is provided in the middle of the power supply line 17 being largely bent into a hook shape, but the support surface 20a on which the tension suppression unit 20 supports the power supply line 17 with the cord clip 21 is a power supply having a flat cross section. The line 17 is inclined in a direction in which it is easy to bend. That is, in the present embodiment, it is inclined 15 degrees so as to rise up toward the outer side in the radius of curvature of the power supply line 17 with respect to the side surface 1a of the outer box 1 (FIG. 6).

  The guide hook 26 and the guide pole 19 correct the position through which the power supply line 17 passes so that the power supply line 17 is routed around the side surface 1a of the outer box 1 without greatly deviating from a predetermined path. That is, the induction hook 26 and the induction pole 19 constitute a positioning member that contacts the power supply line 17 and corrects the position so that the power supply line 17 is routed along a predetermined path on the side surface 1a of the outer box 1. ing. In particular, the induction pole 19 is subjected to a reaction force when the power line 17 is bent between the terminal block cover 18 and the tension restraining portion 20, and without the induction pole 19, the power line 17 has a predetermined shape. It is a member that does not bend and is indispensable in the structure of the present embodiment.

  FIG. 9 is a front view showing a state where the terminal block cover 18 is removed and the terminal block can be seen from the entrance / exit opening formed on the side surface 1a of the outer box 1, and FIG. 10 shows the state of the terminal block inside the entrance / exit opening. FIG. 11 is a cross-sectional view showing a state in which the terminal block is pulled out to the connection work position, and FIG. 12 is a cross-sectional view showing a state in which the terminal block is in the storage position. A terminal block 11 is accommodated in the end space of the outer box 1. The terminal block 11 includes a quick connection terminal (connection terminal) 10 mounted on the upper surface.

  The quick connection terminal 10 has three insertion ports 10a into which the three electric wires 17a of the power supply line 17 are respectively inserted. The three insertion openings 10a are opened on the surface facing the entrance / exit opening 1b of the quick connection terminal 10 and extend in a sliding direction to be described later. In the quick connection terminal 10, when an electric wire 17a is inserted in the direction of arrow F (FIG. 11) from the insertion port 10a, an internal holding structure (not shown) is operated, whereby the electric wire 17a is held and then the electric wire 17a is connected. It has a structure that does not pull out even if a force is applied in the pulling direction.

  A slide base 24 is provided in the end space of the outer box 1. The terminal block 11 is placed on a slide surface 24a formed on the slide base 24 and is slidable. Specifically, the terminal block 11 includes a connection work position D (FIG. 11) in which a part including the insertion port 10 a on the front side of the quick connection terminal 10 appears from the access opening 1 b formed in the outer box 1, and the outer box 1. It is slidable between a storage position E (FIG. 12) in which the entirety is stored. The slide surface 24a of the slide base 24 is inclined with respect to the side wall (wall of the outer box 1 forming the side surface 1a) of the outer box 1 in which the entrance / exit opening 1b is formed. The inclination of the slide surface 24a is inclined in a direction in which the angle at which the power supply line 17 has to bend is reduced (the angle at which the power supply line 17 is bent, that is, in a direction approaching a straight line). The angle is optimal in consideration of the structure in which the base 11 is accommodated in the outer box 1, the movement of the terminal block 11, and the ease of connection work. In the case of the present embodiment, the inclination of the slide surface 24a is, for example, an inclination of about 30 degrees so as to rise from the entrance / exit opening 1b toward the back when the blower 100 is installed horizontally.

  The terminal block 11 is produced, for example, by bending a flat plate member, and the quick connection terminal 10 is mounted on the central main surface. The front side of the terminal block 11 in the sliding direction is divided into two parts, and the tip part is bent in a step shape to form a handle part 11a. Further, the rear side of the terminal block 11 in the sliding direction is bent to a height exceeding the quick connection terminal 10 to form a rising portion 11b. Further, when the terminal block 11 is at the connection work position D, a step portion (stopper) 24c that engages with the rising portion 11b of the terminal block 11 and holds the terminal block 11 at the connection work position D is provided with the quick connection terminal. 10 is provided above.

  At the time of power supply connection construction, the power supply builder removes the terminal block cover 18, and then grasps the handle portion 11 a and pulls out the terminal block 11 to the connection work position D. Next, at this position, when the handle portion 11a is grasped and pulled downward, the terminal block 11 rotates about the fulcrum 24b. Then, the rising portion 11b rises and is held in engagement with the stepped portion (stopper) 24c. Thereby, when inserting the electric wire 17a in the quick connection terminal 10, the quick connection terminal 10 is not retracted, but the connection operation of the power wire 17 is performed favorably. When the connection work is completed, the handle portion 11a is pulled upward to disengage from the stepped portion 24c, pushed into the storage position E, and covered with the terminal block cover 18 by a procedure reverse to the above. In the present embodiment, the stepped portion (stopper) 24c is provided above the quick-connect terminal 10. However, the stepped portion (stopper) 24c is not limited to this and is formed as a stepped portion on the back side of the slide surface 24a, for example, and the handle portion 11a. The rear end of the terminal block 11 may be engaged by pulling upward. In addition, when pulling out the terminal block 11, the structure for preventing the entire terminal block 11 from being pulled out is realized by making the width of the rear portion of the intermediate portion of the terminal block 11 larger than the width of the access opening 1b. doing.

  Thus, according to the blower 100 of the present embodiment, the terminal block 11 protrudes and retracts from the access opening 1b formed in the side surface 1a of the outer box 1, so that when connecting the power line 17, the connection work position It can be pulled out to D to improve workability, and after connection is completed, it can be stored in the storage position E to ensure sufficient fire safety. Further, when the terminal block 11 is in the connection work position D, a step portion (stopper) 24c that engages with the terminal block 11 and prevents the terminal block 11 from retracting toward the storage position E side is provided. Even when the cable is highly rigid such as a VVF cable, the quick connection terminal 10 is not retracted when inserted into the quick connection terminal 10, and the connection work of the power line 17 can be performed satisfactorily. Furthermore, since the handle portion 11a is provided on the front side in the sliding direction of the terminal block 11, the terminal block 11 can be easily pulled out. Furthermore, since the slide surface 24a of the slide base 24 is inclined with respect to the side surface 1a of the outer box 1 in which the access opening 1b is formed, the space required in the longitudinal direction in the outer box 1 is reduced. The angle can be reduced, and the angle at which the power line 17 must be bent is reduced.

  A method for fixing the side cover 8 will be described. FIG. 13 is a perspective view of the side cover 8 as seen from the back side. Side covers 8 are provided at both ends of the outer box 1 in consideration of design. The side cover 8 is inserted into a cylindrical insertion guide 8b erected at the lower part of the back surface, and a support bolt 12 (FIGS. 5 and 6) erected on the outer box 1 is inserted toward the outer box 1 using this as a guide. The elastic engaging protrusion 8a which moves in parallel and is erected on the upper surface of the back surface is pushed into an engaging hole 7d (FIGS. 5 and 7) formed in the upper portion of the mounting plate 7 and is further inserted. The mounting plate 7 is attracted and attached by a pair of magnets 29 provided on both sides in the direction.

  Conventionally, as a method for attaching a designable cover for a general device, a method using a magnet has been proposed. Since the cover is fixed by the attractive force of the magnet, screwing or the like is not required, and attachment and removal are easy. However, when the magnet's attracting force deteriorates due to secular change, there is a concern that this attracting may come off and the cover may fall off.

  In the present embodiment, the structure as described above eliminates the need for a mounting screw and improves the workability by facilitating the mounting / removing process. In addition, by using the slide push-in structure with the engagement protrusion 8a and the insertion guide 8b and the pair of magnets 29, the side cover 8 may fall due to the slide push-in structure even if the magnet 29 is removed. On the contrary, the side cover 8 is not dropped by the magnet 29 even if the engagement protrusion 8a or the insertion guide 8b is detached or damaged. In addition, the side (arrow) 31 which shows the direction is stamped on the side part of the side cover 8 so that a removal direction can be understood easily (FIG. 7).

  Next, a method for fixing the fan unit 40 to the outer box 1 will be described. In the fixing method of this embodiment, the number of screws to be used is greatly reduced. FIG. 14 is a perspective view showing how the fan unit 40 is assembled to the outer box 1, and FIG. 15 is a schematic view showing screw positions where the number of screws is reduced according to the present embodiment. FIG. 16 is a schematic diagram showing screw positions of screws used in a conventional fan unit shown for comparison. FIG. 17 is a schematic view showing a state where two adjacent fan units are fastened together by one screw at a position G in FIG. FIG. 18 is a perspective view of only the first orifice member and the second orifice member in FIG. FIG. 19 is an enlarged perspective view showing an end portion of the fan unit shown in FIG.

  As described in the introduction, the fan unit 40 includes the two fans 4 and the electric motor 5, and the orifice member 36 and the air guide member 37 having a size corresponding to the two fans 4 and the electric motor 5. . In the outer box 1, four fan units 40 are accommodated in the longitudinal direction. The four fan units 40 are fastened to the outer box 1 by screws 25c and 25d, respectively. The screws 25 c fasten the upper corners of both ends of each fan unit 40 to the outer box 1. On the other hand, the screw 25d fastens the center lower part of each fan unit 40 to the outer box 1 (FIGS. 14 and 15). In FIG. 14, only one screw 25c and one screw 25d are shown, and the other screws are omitted.

  As shown in FIG. 16, a conventional fan unit is composed of a set of fan 4 and electric motor, and an orifice member and an air guide member having a size corresponding thereto. A total of four fastening screws 25 are provided in one fan unit at each corner. Therefore, when the number of fan units to be equipped is increased, the number of fastening screws 25 is enormous. As is apparent from the comparison with this, in the fixing method of the fan unit 40 of the present embodiment, the number of screws used is greatly reduced. This will be described below.

  Here, two adjacent fan units 40 will be described as a first fan unit 40A and a second fan unit 40B. An upper corner (a portion G in FIG. 14) of the opposite ends of the first orifice member 36A and the second orifice member 36B, which are orifice members of the first fan unit 40A and the second fan unit 40B, is cylindrical. Are provided with split screw hole pieces 47A and 47B each having a shape in which the screw holes are divided into two pieces along the axis. Ribs 39 are formed on the outer peripheral sides of the divided screw hole pieces 47A and 47B. The divided screw hole pieces 47A and 47B are abutted with each other to form a cylindrical screw hole. In addition, protrusions 46A and 46B projecting toward the outer box 1 are provided on the rear surfaces of the corners. On the other hand, in the opening edge portion of the outer box 1 corresponding to this, the female screw hole 42 is screwed at the position of the screw hole formed by the divided screw hole pieces 47A and 47B, and the through hole 33 is opened at the position of the protrusion 46A. A long hole 34 is opened at the position of the protrusion 46B.

  The through hole 33 and the long hole 34 engage with the protrusions 46A and 46B, respectively. As a result, the separation of the first orifice member 36A and the second orifice member 36B is restricted. In this state, the first orifice member 36A and the second orifice member 36B are fastened together by one screw 25c inserted into the screw hole formed by the divided screw hole pieces 47A and 47B. The hole corresponding to the protrusion 46B is a long hole in consideration of the molding accuracy of the orifice member 36 and assembly errors. As for the engagement / engagement structure formed by the through hole 33, the long hole 34, and the protrusions 46A, 46B, a hole is opened on the orifice member 36A, 36B side and a protrusion is provided on the outer box 1 side. May be.

  As shown in FIG. 19, the engagement hole 35 formed at the tip of the extending portion extending from the upper surface of the orifice member 36 toward the air guide member 37 is connected to the air guide member 37 with respect to the connection between the orifice member 36 and the air guide member 37. This is performed by engaging with an engaging projection 43 formed on the upper surface of the member 37. The engagement structure of the engagement hole 35 and the engagement convex portion 43 is similarly provided on the back surfaces of the orifice member 36 and the air guide member 37. In this way, the orifice member 36 and the air guide member 37 are coupled, and the fan unit 40 is assembled.

  The upper and lower portions of the air guide member 37 are provided with mating walls 37a and 37a forming a wind path in pairs. On the other hand, mating walls 36a and 36a that form air passages are also provided in pairs at the upper and lower portions of the orifice member 36. Both the fitting walls 36a and 36a and the fitting walls 37a and 37a are partially overlapped to form an air path from the suction port 3 to the blowout port 2. That is, the air sucked by the fan 4 from the suction port 3 is then branched up and down by the orifice member 36 and the air guide member 37 and blown out from the two-stage air outlet 2 (FIG. 1). ).

  With respect to the connection between the guard 38 and the orifice member 36 (fan unit 40), as shown in FIG. 19, a protrusion extending from the upper corner of the guard 38 toward the orifice member 36 is provided. The engagement claw 45 formed at the tip is engaged with the engagement hole 41 formed in the upper corner portion of the facing surface of the orifice member 36. The engagement structure of the engagement claw 45 and the engagement hole 41 is similarly provided at the other three corners of the opposing surfaces of the guard 38 and the orifice member 36. The guard 38 and the orifice member 36 (fan unit 40) combined in this way are fastened to the outer box 1 by screws 25d (FIG. 14).

  As described above, the blower according to the present invention is useful when applied to a blower installed at a high place in a living room, and is particularly suitable for a blower having a connection terminal as a fast connection terminal.

  DESCRIPTION OF SYMBOLS 1 Outer box, 1a Side surface, 1b Entrance / exit opening, 2 Air outlet, 3 Suction port, 4 Fan, 5 Electric motor, 7 Mounting plate, 7a Main body part, 7b Fastening part, 7c Angle adjustment hole, 7d Engagement hole (fitting structure) ), 8 side cover, 8a engagement protrusion (fitting structure), 8b insertion guide (guide structure), 9 ceiling surface, 10 quick connection terminal (connection terminal), 10a insertion port, 11 terminal block, 11a handle, 11b Standing part, 12 Support bolt, 13 Nut, 14 Angle adjustment bolt, 15 Suspension bolt, 16 Nut, 17 Power line, 17a Electric wire, 17b Cover, 17c Main surface, 18 Terminal block cover, 18a Center hole, 19 Induction pole ( Wire positioning member), 20 tension restraining part, 20a support surface, 21 code clip, 24 slide base, 24a slide surface, 24b fulcrum, 24c stepped part Stopper), 25a to 25d screw, 26 induction hook (wire positioning member), 29 magnet, 31 mark, 33 through hole, 34 long hole, 35 engagement hole, 36, 36A, 36B orifice member, 36a mating wall, 37 air Guide member, 37a mating wall, 38 guard, 39 rib, 40, 40A, 40B fan unit, 41 engagement hole, 42 female screw hole, 43 engagement convex part, 45 engagement claw, 46A, 46B protrusion, 47A, 47B split Screw hole piece, 100 blower.

Claims (2)

An outer box formed with a suction port and a blowout port;
A mounting plate disposed on a side of the outer box and supporting the outer box from a ceiling surface or a wall surface;
A blade that is housed in the outer box and blows air from the suction port to the outlet, and an electric motor that drives the blade;
A terminal block having a connection terminal for electrically connecting a power line for supplying electric power to the electric motor with the electric motor;
A side cover that covers the power supply line routed to the side of the mounting plate and the outer box;
The side cover includes a guide structure that is guided perpendicularly to the side surface of the outer box, a fitting structure that fits in a direction perpendicular to the side surface of the outer box, and the fitting structure that fits The blower characterized by being fixed by the attachment plate or the magnet attracted to the outer box at the position. The blower according to claim 1, wherein the side cover is provided with a mark indicating a direction in which the side cover is attached to and detached from the outer box.

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