JPH06105080B2 - Blower - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a vertically long blower that blows air with a cross-flow fan.

(B) Conventional Technology As a technology prior to the present invention, there are blowers described in JP-B-58-29405 and JP-B-58-22025. Since the blower has a front case and a rear case that are formed by dividing the front and rear into two parts in the vertical direction, the fan case of the cross-flow fan is fixed, and the front case and the rear case are connected and fixed with screws separately from the fan case. , The front case, the rear case, and the fan case must have the same strength, and the number of screw-fastening points must be increased and the space must be provided accordingly.

(C) Problem to be Solved by the Invention The present invention provides a blower that simplifies the connecting structure of each constituent member, reduces wasteful space such as space for connection, and obtains sufficient strength. This is the first technical issue.

It is also a second technical problem to provide a blower with a heating body, in which a heating body can be easily incorporated in a blower and mere blowing and warm air can be smoothly and reliably switched without mechanical loss. is there.

Furthermore, it is a third technical object to provide a blower that stably supports an electric motor, which is a heavy load.

(D) Means for Solving the Problem The present invention forms a blower outlet in which a cross-flow fan and an electric motor for driving the cross-flow fan are mounted, and the fan case is fixed so as to cover the blowout half side of the fan case. The front case is fixed to the fan case so as to cover the suction half side of the fan case, and the rear case is fitted with the front case at the side edge portion. The first technical problem is solved by the first means formed by the base case to be fitted, the front case and the motor control switch case fitted to the upper part of the rear case.

Further, according to the first aspect of the present invention, in the first means, the heating body is pivotally supported at the upper and lower portions of the fan case in the vicinity of the blowing portion of the fan case so as to be retractable in the blowing portion, and between the switch case and the heating body upper pivot portion. The heating body operation shaft is erected and pivotally supported, and the heating body energization control switch that is controlled to switch on and off by the heating body operation shaft body is formed in the switch case in conjunction with the operation of the mode operation knob mounted on the heating body operation shaft body. The second technical problem is solved by the second means.

Further, the present invention is to solve the third technical problem by the third means in which the electric motor for driving the cross-flow fan in the first means is droopingly attached to the fan case and the electric motor support is formed in the base case.

(E) Action The present invention can reliably connect the front case and the rear case through the fan case, and the side edges of the front case and the rear case can be connected by fitting, and the upper and lower parts of the front case and the rear case can be connected. By fitting the switch case and the base case to each other, the front case and the rear case can be connected more reliably.

Further, the heating element operating shaft for operating the heating element is formed in the upper part where the fan case and the switch case are close to each other, so that the mechanism is simplified and the mechanical loss is small.

Further, by supporting the electric motor with the base case, the electric motor is stably supported.

(F) Embodiment Based on the blower 1 shown in FIGS. 1 to 6 that employs the first means, the second means, and the third means, the configuration of the present invention will be described in detail.

The blower 1 has a fan case 4 which pivotally supports the cross-flow fan 2 and to which an electric motor 3 for driving the cross-flow fan 2 is fixed.
The fan case 4 is opposed to the curved side wall 5 extending from the suction side to the outlet side so as to surround the cross-flow fan 2, and the cross-flow fan 2 is provided.
It has a columnar tongue body 6 so as to sandwich. The upper wall 7, the curved side wall 5, and the lower wall 8 are integrally formed of synthetic resin. The columnar tongue body 6, which is formed as a separate body, is sandwiched and installed between the upper wall 7 and the lower wall 8 and is connected by the screw 9 or the concave and convex fitting. Due to the action of the columnar tongue 6, static pressure is generated in the air flow generated in the cross-flow fan 2, and an air flow along the curved side wall 5 from the suction side to the blow side is generated. The upper wall 7 has an upper shaft of the cross-flow fan 2
A shaft support plate 12 to which a bearing 11 that supports the shaft 10 is fixed is fixed by a screw 13. The lower part of the cross-flow fan 2 is the rotating shaft 14 of the electric motor 3.
The electric motor 3 is fixed to the lower wall 8 with the holding screw 17 having the insertion tube portion 16 of the fixing screw 15 interposed therebetween.

At the blowing end portion of the curved side wall 5 of the fan case 4,
A storage recess 21 for the heating body 20 is formed. The heating body 20 includes a heater frame 24 in which pivots 22 and 23 are provided on the upper and lower sides, and a heater frame 24.
The blow-out area of the fan case 4, which is fixed to the front of the
And the air flow control plate 25 with the outlet opening as a protective net,
It is composed of an electric heater 26 such as a ceramic heater fixed to a portion of the heater frame 24 with respect to the protective net. A pivot 22 of the heating body 20 is pivotally supported by the upper wall 7 of the fan case 4, and a pivot 23 is pivotally supported by the lower wall 8. The pivot 22 is exposed on the upper surface of the upper wall 7. As shown in FIG. 2, the heating element 20 is substantially flush with the inner surface of the curved side wall 5 when it is accommodated in the accommodation recess 21. When the heating body 20 is rotated and protruded, as shown by the chain double-dashed line in FIG. 2, the blowing side of the fan case 4 is completely covered, and the wind from the cross-flow fan 2 passes through the electric heater 26. It will blow out. At this time, the storage recess 21 serves as an air reservoir.

The blower 1 has a front case 31 and a rear case 32 that cover the fan case 4 from the front and rear, and a motor control switch case 33 that covers the fan case 4 and the upper portions of the front case 31 and the rear case 32, and a lower portion. And a pedestal case 34. In this structure, the blower 1 is formed in a cylindrical body, the front case 31 and the rear case 32 are formed in a semi-cylindrical shape, the switch case 33 is formed in a disk shape, and the base case 34 is formed in a cylindrical shape.

The front case 31 is formed with a vertically long opening into which the wind direction adjusting body 41 is fitted and mounted, and the air outlet 35 is formed by mounting the wind direction adjusting body 41 in the opening. The wind direction adjusting body 41 has its frame portion 46 fitted into the opening of the front case 31 from the inside, and its front edge portion is positioned so as to be substantially flush with the outer surface of the front case 31, and the screw 42 is used. Fixed. A plurality of vertical change wings 43 for changing the wind direction in the vertical direction are pivotally supported on the frame portion 46 of the wind direction adjusting body 41, and are connected by the interlocking operation rod 44 so that the vertical direction can be manually adjusted. There is. The up-down change wings 43 are pivotally supported at the rear part, and the front part is pivotally supported at the front part by a plurality of left-right change wings 45 for changing the wind direction in the left-right direction. The upper part of the left and right change wings 45 is the frame 46
The pivot is inserted in the shaft support hole. A crankshaft-shaped pivot shaft 47 is formed in the lower part of the left / right change vane 45, and the pivot shaft 47 is inserted into the front case 31 through the long hole 48 formed in the frame portion 46 and the front case 31, and then, as shown in FIG. Show the pivot plate 49 in the long hole of the front case 31.
The left and right changing wings 45 can be rotated in this state by fitting and mounting so as to cover 48 and pivotally supporting the base end portion of the pivot shaft 47. Since the left and right changing blades 45 are easily bent and twisted up and down, an arc-shaped collar plate 50 is formed in the middle of the left and right changing blades 45 to prevent the left and right changing blades 45 from bending and to rotate right and left smoothly. It is supposed to be done to. The pivots 47 of the left and right changing wings 45 are connected by the interlocking plate 51. In the lower part of the front case 31, a semi-disk shaped lower plate 52 is formed as shown in FIGS. 1 and 5, and the lower plate 52 is used to reciprocally rotate the left / right changing blade 45 left and right. The swing motor 53 is attached. Swing motor 53
An eccentric cam plate 55 is attached to the rotating shaft 54 of the. Left and right change wings
The interlocking plate 51 of 45 is formed with a fork portion 56 for holding the eccentric cam plate 55, and the eccentric rotation of the eccentric cam plate 55 is converted into a reciprocating motion of the interlocking plate 51 to the left and right. When the interlocking plate 51 reciprocates, the left / right change vane 45 reciprocates left and right.

Inside the front case 31, the fan case 4 is fixed by a screw 61 so that the wind direction adjuster 41 is pressed and sandwiched between the front case 31 and the front case 31.

A suction port 62 is formed in the rear case 32. A filter body 63 is detachably attached to the suction port 62. The rear case 32 is fixed to the fan case 4 with screws 64. The front edges on both sides of the rear case 32 and the rear edges on both sides of the front case 31 are as shown in FIG.
Utilizing the elasticity of the synthetic resin forming the front case and the rear case 32, the one claw 65 and the recess 66 are connected to each other by elastic engagement, and the rib 67 formed on one side is brought into contact with the inner surface of the other side to cause a displacement due to pressing. Is being prevented. A handle recess 68 is formed in the upper portion of the rear case 32.

In this state, the front case 31, the wind direction adjusting body 41, and the fan case 4
The rear case 32 and the rear case 32 are connected and fixed by the screws 42, 61, 64, and the front case 31 and the rear case 32 are not disassembled carelessly. The lower parts of the front case 31 and the rear case 32 are inserted and fitted into the upper part of the base case 34.
And the lower part of the rear case 32 is reinforced and the disassembly is prevented. Screws 70 are screwed into the bosses 69 of the front case 31 and the rear case 32 from the lower surface of the base case 34 to connect and fix the front case 31, the rear case 32, and the base case 34. The front case 31, the rear case 32, and the base case 34 are fitted to each other by forming a step portion on the outer periphery of the lower portion of the front case 31 and the rear case 32, and forming a concave portion on the upper portion of the base case 34 so that the step portion is fitted. , The lower case of the front case
31 and the lower end of the rear case 32 are supported by contact.

In addition to the swing motor 53, the lower surface of the lower plate 52 of the front case 31
The drive relay 71 of the electric heater 26 of the heating body 20 and the drive capacitor 72 of the electric motor 3 are fixed by screws. In the base case 34, a relay 71 mounted on the lower plate 52 of the front case 31, a capacitor 72 and the like, and a support 73 for supporting the electric motor 3 are formed by ribs or bosses. By supporting the support body 73, especially in the electric motor 3, the support body 73 disperses the impact force due to the re-mounting when the blower 1 is carried around, concentrated on the screw 15. It prevents damage. Further, the small electrical components such as the relay 71 and the capacitor 72 are not fixed securely with screws, but may be clamped between the lower plate 52 and the base case 34 as a temporary fixing or unnecessary. As a result, the assembling efficiency can be improved. A switch case 33 is fitted over the front case 31 and the rear case 32 to prevent the front case 31 and the rear case 32 from being disassembled. An annular hanging wall 81 formed so as to hang down on the periphery of the switch case 33 is fitted to a step formed on the upper portions of the front case 31 and the rear case 32, and an abutting portion of the annular hanging wall 81 or the step is an elastic claw and a recess. Is elastically engaged. The switch case is securely fixed by a screw 83 screwed into a boss 82 formed on the upper wall 7 of the fan case 4.

The switch case 33 has a recess 86 having an opening / closing lid 85. In the recessed portion 86, the speed adjustment operation knob 88 of the speed adjustment switch 87 of the electric motor 3 for setting the operation of the blower 1, the timer operation knob 90 of the operation time setting timer 89, and the heating element 20 protruding to energize. Mode operation knob to switch between the warm air mode for
91 and a swing operation button of the stop switch 92 of the swing motor 53 are provided. On the upper surface of the switch case 33 other than the concave portion 86 covered by the opening / closing lid 85, the operation operation button of the operation switch 93 is arranged. When the operation switch 93 is turned on, the operation is performed in the initially set mode and speed without opening the opening / closing lid 85 and operating other switches or the like.

On the inner surface of the switch case 33, a speed adjustment switch 87 and a timer 89
The stop switch 92 and the operation switch 93 are attached, and the energization control switch 94 for the heating element 20 that is cut in by the mode operation knob 91 is attached. The mode operation knob 91 is located above the upper pivot 22 of the heating body 20, and the pivot 22 and the mode operation knob 91 are connected by a heating body operation shaft 95. The operating shaft 95 is integrally connected to the pivot 22 so as not to rotate with each other, and is pivotally supported by the upper wall 7 of the fan case 4. The upper portion of the operating shaft 95 penetrates the insertion hole of the switch case 33 and is integrally connected to the mode operation knob 91 so as not to rotate with each other, and is pivotally supported by the insertion hole. Since the pivot 22, the operating shaft 95, and the mode operation knob 91 are coaxially positioned, the mode operation knob 91 is rotated, so that the heating body 20 can be rotated and can be retracted from the storage recess 21.

A holding cam body 96 is formed below the operation shaft body 95, and a leaf spring 97 that is deformed by the movement of the holding cam body 96 is attached to the upper wall 7 of the fan case 4. When the holding cam body 96 deforms the leaf spring 97 and changes its position, the operating shaft body 95 is held in two pivoting positions. An operating body 98 is formed on the operating shaft 95, and the energization control switch 94 is turned on and off by the operating body 98. The heating body 20 is directly rotated by the rotation operation of the operation knob 91 to reliably switch the heating body 20 and at the same time the holding cam body 96 and the leaf spring.
It is stably held at the switched position by the action of 97, and the energization control switch 94 is turned on and off by the operating body 98, so that the heating body 20 is not energized in the storage recess 21.

The present invention can be carried out by changing the shape of each part and the material forming each part in various ways and also by changing the detailed structure within the known and well-known technical range.

For example, the outer shape is formed into a substantially cylindrical shape,
It may be prismatic. With respect to the base case 34, only the base case may be formed in a prismatic pyramid shape in consideration of stability when mounted. The up-down changing blade 43 of the wind direction adjusting body 41 is manually adjusted, but it may be movable by a swing motor like the left-right changing blade 45. The switch case 33 is equipped with mechanical switches such as the speed adjustment switch 87, and a timer, but if an electronic circuit formed by a triac, a microcomputer, etc. is used, it is only necessary to arrange a printed circuit board and a fan. The space between the case 4 and the switch case 33 can be reduced, and the height of the blower 1 can be reduced to improve the stability. In addition, for example, an ultrasonic humidifier is incorporated between the rear case 32 and the curved side wall 5 of the fan case 4, and a part of the flow by the cross-flow fan 2 is used as a blower of the humidifier, or an action part of a sirocco fan is provided on the upper part. Can be formed to reduce the size and add other functions. As another function, an air cleaning function may be provided by using a charged dielectric filter as the filter body 63.

(G) Effect of the Invention According to the present invention, the front case and the rear case are connected via the fan case, the switch case is fitted on the upper parts of the front case and the rear case, and the base case is fitted on the lower part. The case and the rear case can be surely connected to each other by simply elastic fitting or concave and convex abutting without being screwed at both side edges, and the structure is simplified and the assemblability is improved.

When the heating element was installed, the switch case covers the upper part of the fan case so that the heating element can be operated easily. The operating shaft can be moved directly, and the heating element energization can be centrally controlled. It

By forming the base case, the strength of the front case and the rear case is improved, and by supporting the electric motor with the base case, the strength against impact when carrying and re-mounting the blower is improved,
The structure is also simplified.

[Brief description of drawings]

FIG. 1 shows the present invention, FIG. 1 is a longitudinal side view, FIG. 2 is a plan view of a middle section, FIG. 3 is a plan view of an upper section, FIG. 4 is a bottom view of a switch case, and FIG. 6 is a plan view of the pivot plate with the bottom view removed. 1 ... Blower, 2 ... Cross-flow fan, 3 ... Electric motor, 4 ...
… Fan case, 20 …… Heating body, 31 …… Front case, 32…
… Rear case, 33 …… Switch case, 34 …… Stand case,
73 …… Supporting body, 95 …… Heating body operating shaft, 91 …… Mode operation knob, 94 …… Energization control switch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuya Yano 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (72) Yoshihide Nakagawa 2-18-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Machinery Co., Ltd. (56) Reference JP-A-62-214299 (JP, A)

Claims (3)

[Claims] 1. A fan case, in which a cross-flow fan and an electric motor for driving the cross-flow fan are mounted, a front case in which the fan case is fixed so as to cover the blow-out half side of the fan case, and a fan case. The rear case is fixed to the fan case so as to cover the suction half side, and the rear case is formed with a suction port that fits with the front case at the side edge portion, the base case fitted to the lower part of the front case and the rear case, and the front case An air blower including a motor control switch case fitted over the rear case. 2. A heating body operating shaft body is pivotally supported at the upper and lower parts of the fan case so that the heating body can be retracted into and out of the blowing part of the fan case, and the heating body operating shaft body is provided between the switch case and the heating body upper pivotal support portion. A heating body energization control switch which is inserted and controlled by the heating body operation shaft body in association with an operation of a mode operation knob mounted on the heating body operation shaft body is formed in the switch case. An air blower with a heating element according to claim 1. 3. The blower according to claim 1, wherein an electric motor for driving the cross-flow fan is suspended from a fan case, and an electric motor support is formed on the base case.