JPH0584194A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To restrain vibration and reduce noise by sealing the vicinity of a suction hole of a fan motor, supporting the fan motor at a point near the center of gravity thereof where vibration is small, and providing an elastic body for absorbing impact at the front and rear of a motor case. CONSTITUTION:A nearly cylindrical elastic supporter 21 is mounted between an end surface 22 of a fan and a fixing rib 23 of a motor case. Opposite end flanges of the supporter 21 are engaged with a central rib 25 fixed to a body 10 of a vacuum cleaner to resiliently support a fan motor at the vicinity of the center of gravity thereof where vibration is small. A nearly cylindrical front elastic body 27 for absorbing impact is attached to a fan case so as to be faced with annular ribs 28, 29 of the body through a space 30. A rear elastic body 31 is mounted to a bearing housing 32 of a motor 7 to be faced with a rib 34 of the body 10 through space. The end surface of a disc-shaped seal 35 having a cylindrical flange 36 fixed to a fan motor suction port 2 is brought into contact with a partition plate 12. As a result, vibration proofing effect is great and the fan can be supported stably against impact, resulting in reduced noise.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a domestic vacuum cleaner having a vibration-proof support structure for reducing noise.

[0002]

2. Description of the Related Art A conventional vacuum cleaner will be described with reference to FIG. In the figure, 1 is a fan motor for sucking air, which is composed of a motor 7, a fan (not shown) rotated by the motor 7, and a fan case 4 for covering the fan. The fan case 4 has intake holes 2 and the motor 7 has exhaust air. It has a hole 3. In this fan motor 1, the outer peripheral portion 5 of the fan case 4 is provided with the vibration-proof rubber 6, and the housing portion 8 of the motor bearing is used.
Are elastically supported on the main body 10 by vibration-proof rubbers 9, respectively, and the main body 10 is vibration-insulated from the fan motor 1. The antivibration rubber front 6 has a substantially cylindrical shape as shown in FIG. 2, and its front end portion 11 is in close contact with the partition plate 12 of the main body 10 to prevent the exhaust gas from the exhaust hole 3 from flowing back to the intake hole 2. It also plays the role of a seal to prevent it. Reference numeral 13 is a paper bag type dust collecting filter, which is detachably attached to the dust collecting portion 14 at the front of the main body 10 and can be easily taken out by releasing the front lid 15 of the main body 10. Reference numeral 16 denotes a dust collecting hose, which has a floor nozzle 17 attached to one end thereof and the front lid 1 at the other end thereof.
It is inserted into the filter 13 through the reference numeral 5. 18 indicates cordrill.

Next, the dust collecting action will be described. When the fan motor 1 is driven, air containing dust is sucked in from the floor nozzle 17. This air passes through the dust collecting hose 1,
The air is sent to the inside of the paper bag type filter 13 and separated into dust and air, the dust remains inside the paper bag type filter 13, and the air is taken in through the air vents 19 of the partition plate 12 of the main body 10 of the fan motor 1. It flows into the hole 2, cools the motor 7, and is exhausted from the exhaust hole 3. The air exhausted from the fan motor 1 passes through an air passage 21 inside the main body 10 as shown by an arrow 20, and is exhausted outside the main body exhaust hole 22. The dust collected in this way is fed to the paper bag filter 13 one after another.
Accumulated inside. When the paper bag type filter 13 is filled with dust, the front lid 15 of the main body 10 is opened, the paper bag type filter 13 is taken out and discarded, and a new filter 13 is attached, so that dust can be treated without soiling the hands. Reference numeral 23 indicates a filter base for increasing the dust collection efficiency.

One of the problems with the conventional vacuum cleaner described above is noise. That is, the vibration due to the unbalanced rotation of the fan motor 1 is transmitted to the main body 10, and unpleasant noise is generated. The antivibration structure conditions for isolating the vibration of the fan motor are that it supports a position with little vibration, is sufficiently soft, and has little creep.
It is necessary to support the weight of the fan motor in the radial direction and the suction force of the fan motor in the axial direction.

[0005]

One of the problems of conventional vacuum cleaners is noise. That is, the vibration due to the unbalanced rotation of the fan motor is transmitted to the main body, and unpleasant noise is generated. The antivibration structure conditions for isolating the vibration of the fan motor are that it supports a position with little vibration, is sufficiently soft, and has little creep.
It is necessary to support the weight of the fan motor in the radial direction and the suction force of the fan motor in the axial direction.

However, in the above-mentioned conventional construction, since the vibration-proof support is carried out by the rubber-like elastic body, the vibration-proof rubber cannot be sufficiently softened in the range where there is no problem with creep.

Further, the fan motor often vibrates in the swing mode, that is, the vibration is large before and after the fan motor. In the conventional configuration, the fan motor is supported at the position where the vibration is large. There is a problem that the vibration of the motor cannot be sufficiently damped, and the vibration is transmitted to the main body to increase noise.

An object of the present invention is to solve the above-mentioned conventional problems, and an object thereof is to provide an electric vacuum cleaner in which vibration of a fan motor is less likely to be transmitted to the main body and which is low in noise.

[0009]

In order to achieve this object, the vacuum cleaner of the present invention has the following configuration.

According to the first aspect of the present invention, there are provided a fan motor including a fan portion and a motor portion for sucking dust particles, a main body containing the fan motor, a nozzle for sucking dust together with air, and a fan motor intake hole. A seal installed around, an elastic support installed near the center of gravity of the fan motor and the main body, a rear elastic body for shock absorption installed with a gap between the motor section and the main body, A structure having a front elastic body for absorbing shock installed with a gap provided between the outer periphery of the fan unit and the main body.

According to claim 2, in the electric vacuum cleaner,
Each end is attached to the fan motor and the main body, and is made by multiple leaf springs having a width in the axial direction of the fan motor,
A structure having an elastic support.

According to a third aspect of the present invention, there is provided a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a periphery of the fan motor intake hole. Between the motor unit and the main body, the seal installed in the, the elastic support composed of a plurality of symmetrically installed spring members near the center of gravity of the fan motor while having tension in the radial direction. A structure having a rear elastic body for shock absorption, which is installed with a space, and a front elastic body for shock absorption, which is installed with a space between the outer periphery of the fan unit and the main body.

According to a fourth aspect of the present invention, there is provided a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body including the fan motor, a nozzle for sucking dust together with air, and a periphery of the fan motor intake hole. And a seal installed in the radial direction, one of which is attached to the main body and the other of which is attached to the fan motor while having tension in the radial direction, and restricts the axial movement composed of a plurality of symmetrically installed elastic bodies. A configuration having an axial elastic support and a radial elastic support interposed between the fan motor and the main body to perform radial support.

According to a fifth aspect of the present invention, a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a fan motor elastically attached to the main body. An elastic support member, a disk-shaped seal portion that abuts the partition plate between the cylindrical mounting portion joined to the fan motor intake hole and the main body dust collecting chamber, and interposed between the cylindrical mounting portion and the disc sealing portion. A structure that has a seal made of a flange that is flexible in the radial direction.

According to a sixth aspect of the present invention, a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a periphery of the fan motor intake hole. A radial direction composed of a seal installed in the motor, an axial elastic support that regulates axial movement of the rear part of the motor, and a cantilevered leaf spring with one end fixed to the body and the other end in contact with the fan motor. A structure having a radial elastic support for supporting the above.

According to a seventh aspect of the present invention, there is provided the vacuum cleaner according to the seventh aspect, further including a restriction rib fixed to the main body at a position facing the radial elastic support and having a gap in the radial direction.

[0017]

The following actions can be obtained by these configurations.

According to the first aspect of the present invention, sealing is performed near the intake hole of the fan motor to support near the center of gravity where vibration is small,
Moreover, by installing elastic bodies for shock absorption before and after the fan motor, it is possible to realize a fan motor support structure that has excellent vibration damping properties, has no problem in supporting suction force because the seal area is small, and can also support impact force. It is possible to reduce noise.

According to the second aspect of the present invention, since the elastic body supported at the position of the center of gravity has a leaf spring shape and has a width in the axial direction, the diameter is maintained without deteriorating the support against the suction force in the axial direction. The support can be made sufficiently soft in the direction and noise can be reduced.

According to the third aspect of the present invention, the plurality of spring members located at the entire circumference and supported at the center of gravity have tension in the radial direction, and can be sufficiently soft in the radial direction and non-linear in the axial direction. Since it has elasticity, it is sufficiently soft against minute vibrations, stable support can be performed against suction force, and noise can be reduced.

According to the present invention, the support in the axial direction is supported by a plurality of spring members having tension in the radial direction located on the entire circumference, so that suction is performed due to the nonlinearity of elasticity in the axial direction. The force can be stably supported, and even a slight vibration can be softly supported, and noise can be reduced.

According to a fifth aspect of the present invention, by providing a flexible brim portion between the seal portion that abuts the main body partition plate of the intake and exhaust seals and the cylindrical mounting portion that is attached to the fan motor,
Vibration components transmitted from the seal portion are isolated from vibrations, and noise can be reduced.

According to the sixth aspect of the present invention, the fan motor is supported in the radial direction by using the leaf spring in the form of a cantilever, which makes it possible to support the radial direction in a flexible manner with less creep and sag. Can be reduced.

According to a seventh aspect of the present invention, in the radial support structure according to the sixth aspect, a rib having a gap is provided at a position facing the leaf spring of the main body, whereby the fan motor has a large radial direction. Elastic support against movement is possible, stable support against drop impact, etc., and noise can be reduced.

[0025]

Embodiments of the present invention will be described below with reference to the drawings and FIGS. The same parts as those in the conventional example are denoted by the same reference numerals and the description thereof will be omitted.

First, the first embodiment will be described. In FIG. 1 and FIG. 2, 21 is a rubber-like substantially cylindrical elastic support member mounted between the fan end face 22 and the mounting rib 23 near the center of gravity of the fan motor. As shown in FIG. It has a brim portion 24. Reference numeral 25 denotes an annular central rib fixed to the main body, which is fitted in a groove 26 formed between the brim portions of the elastic support member to allow the fan motor 1 to move in the radial direction.
It is elastically supported in the axial direction. Reference numeral 27 denotes a rubber-like substantially cylindrical front elastic body attached to the fan case for absorbing shock, and a gap is formed between the annular rib front 28 fixed to the main body and a plurality of end ribs 29 provided. 30 are provided. Reference numeral 31 is a rubber-like cylindrical rear elastic body attached to the bearing housing portion 32 of the motor portion 7 for shock absorption, around which a rib rear portion 34 fixed to the main body with a gap 33 is arranged. Has been done. 35 is a cylindrical brim portion 3
6 is a disc-shaped seal having an end surface abutting on a partition plate 12 with the dust collecting portion 14, and a cylindrical brim portion is fixed to the fan motor intake port 2. In this embodiment, the fan motor 1 includes a central rib 25 of the main body and an elastic support 21 in the radial direction.
The central rib 25 is supported by being fitted in the groove portion 26 of the elastic support body in the axial direction. For a large force such as a drop impact, the rear elastic body 31,
The front elastic body 27 is supported by contacting the front ribs 28, the end ribs 29, and the rear ribs 34 of the main body.

Next, the operation of this embodiment will be described. The basic operation is the same as that of the conventional example, and the description thereof is omitted.
When the fan motor is driven, vibration (about 500 HZ) due to rotational imbalance occurs. The vibration mode of the fan motor is often a whirling rotation vibration accompanied by a swing around the center of gravity. That is, the radial vibration is small near the center of gravity, and the axial vibration is small near the rotation axis.

As described in the conventional example, when the fan motor is driven, a suction force is generated. That is, since the dust collection chamber has a negative pressure and the exhaust side of the fan motor has a positive pressure with the seal portion as a boundary, a force directed to the dust collection chamber in the axial direction acts on the fan motor. This pressure is proportional to the cross-sectional area of the seal. In this embodiment, the fan motor is supported at the center of gravity of the fan motor in which the vibration in the radial direction is relatively small, and the fan motor is supported in both the radial direction and the axial direction. Even if the elastic support 21 is provided in the radial direction,
Vibration transmission to the body is small. Moreover, since the seal part is independent for supporting the suction force, the cross-sectional area of the seal part can be made small, so the suction force itself is small, and strong support is not required for the support, and the shaft at the center of gravity is not required. Directional support can be soft. Elastic bodies for shock absorption that support large movements such as drop impacts are installed in the front and rear of the fan motor, and there is a gap between the main body and the main body, so when a large force such as a shock acts, the main body And the elastic body for impact come into contact with each other to cushion and support the fan motor, but normally vibration is not transmitted. Because of these, the main body transmission of fan motor vibration is small, and noise can be reduced. Further, the elastic body has a width in the axial direction, so that it can be supported even when the fan motor tilts.

Next, a second embodiment will be described. First
The same parts as those of the embodiment are given the same numbers and their explanations are omitted.

In FIG. 3, reference numeral 40 is an elastic support, and as shown in FIG. 4, one end of a plurality of leaf springs 41 bent in a U shape and having a width in the axial direction is provided with an inner ring 42, and the like. It is configured by fixing the end to the outer peripheral ring 43. The inner peripheral ring 42 is fixed to the outer periphery near the center of gravity of the fan motor 1, and the outer peripheral ring 43 is fixed to the main body to elastically support the fan motor on the main body. The basic part of the operation is the same as that of the first embodiment and will not be described. With the configuration of the present embodiment, with respect to the suction force in the axial direction, the leaf spring 4
Since 1 has a width in the axial direction, it has sufficient rigidity and can be stably supported. In addition, the vibration mode of the fan motor is a whirling mode, and the node is often near the center of gravity. Therefore, vibration in the radial direction is small in the center of gravity, and since the bending elasticity of the leaf spring is used for the radial support, a flexible structure with less fatigue and creep is possible. The vibration component in the radial direction for transmitting is extremely small. With respect to the vibration mode of oscillation centering on the node near the center of gravity, the leaf spring bends in the twisting direction, so that the support is flexible. Also, for drop impact,
Elastic bodies 31 and 27 for impact absorption installed with a gap
The fan and motor are supported by.

As described above, in the embodiment, only the suction force in the axial direction has a large rigidity, and it is possible to flexibly support vibration, reduce the vibration transmitted to the main body, and reduce the noise. Moreover, stable support can be realized in the axial direction.

Next, a third embodiment will be described with reference to FIG. The same parts as those of the second embodiment shown in FIG. 3 are designated by the same reference numerals and the description thereof will be omitted. Reference numeral 50 denotes an elastic support, and in this embodiment, six coil springs 51, which are spring materials shown in FIG. 6, are fixed to the inner ring 52 at one end and the outer ring 53 at the other end with tension. It is composed by. The inner ring 52 is fixed near the center of gravity of the fan motor 1, and the outer ring 53 is attached to the main body 10.
The fan motor 1 is elastically supported by the main body 10 by being fixed to the main body 10. FIG. 6 (b) shows the coil spring in a natural state, and FIG. 6 (c) shows the coil spring in a mounted state, that is, in a stretched state with tension. FIG. 7 shows the relationship between the axial force applied to the fan motor supported by the elastic support 50 and the displacement in that direction. That is, the axial elasticity of a fan motor supported by an elastic body that has tension in the radial direction has a non-linear characteristic, and it is flexible with respect to minute vibrations, but when a large suction force is exerted, drop impact, etc. In contrast, the elasticity is increased, and stable support is possible. As described above, it is flexible in the radial direction, and it is possible to strongly support the force acting in the axial direction when the force becomes large, but it is usually possible to support it flexibly, so noise reduction is possible. become. Further, the axial rigidity can be easily changed by changing the tension and can be set separately from the radial rigidity, which is a great design advantage.

Next, a fourth embodiment will be described with reference to FIGS. The same parts as those of the conventional example are denoted by the same reference numerals and the description thereof will be omitted. Reference numeral 61 denotes a plate-like elastic body having a width in the axial direction of the fan motor and bent in a U shape, one end of which is fixed to the inner peripheral ring 62 and the other end thereof is fixed to the outer peripheral ring 63. Is composed of. The inner ring 62 is fixed near the axis of the fan motor 1, that is, on the outer circumference of the bearing housing 32 of the motor unit 7.
The outer peripheral ring 63 is fixed to the main body. Reference numeral 66 denotes a substantially cylindrical rubber ring-shaped radial elastic support member attached to the outer periphery 65 near the center of gravity of the fan motor,
The fan motor is supported in the radial direction by abutting 67 on a mounting rib fixed to the main body 10. As described above, the fan motor often has an oscillating whirling vibration mode having a node near the center of gravity, that is, vibration in the radial direction is small near the center of gravity and vibration component in the axial direction is small near the center of axis. .. The axial elastic support body composed of a plate-like elastic body having a width in the axial direction has a large rigidity in the axial direction such as a suction force, and can stably support the suction force.
Further, since it is flexible in the radial direction and the twisting direction, it has a great vibration damping effect against the vibration of the fan motor. The radial elastic support is
It is made of rubber material and has a high rigidity in the compression or radial direction, but it is relatively soft in the axial direction and can support the fan motor in the radial direction at the same time. It has a great anti-vibration effect against the vibration. That is, in this embodiment, in the vicinity of the center of gravity with a small radial vibration, by supporting the radial direction in the thickness direction of the ring-shaped rubber material, soft support is performed in the axial direction as compared with the radial direction in the radial direction. By supporting a plate-like elastic member having a width in the axial direction near the rear shaft center of the motor where vibration is small, rigidity in the axial direction and flexible support in the radial direction can be achieved. Therefore,
Small vibration transmission and stable support can reduce noise.

Next, the fifth embodiment will be described with reference to FIGS.
Will be explained. Reference numeral 71 is a seal made of a rubber plate for intake and exhaust of a vacuum cleaner, and is a disk-shaped seal portion 72 and a cylindrical mounting portion 7.
3 and 3 are connected by a U-shaped brim portion 74. A hollow portion 75 is formed below the disc-shaped seal portion. A disk-shaped seal portion abuts the main body partition plate 12 with the dust collection chamber, and the cylindrical mounting portion 77 is fixed to the intake port 2 of the fan motor.

Reference numerals 79 and 80 denote support elastic members composed of a plurality of coil springs, and very flexibly elastically support the fan motor on the main body. When the vacuum cleaner is driven, the disk-shaped seal portion is attracted and fixed to the main body partition plate due to the suction force. Since one end of the seal is fixed to the fan motor, vibration may be transmitted through the seal, but in the present invention, since the hollow portion is provided, the structure is very flexible in the radial direction, and the seal is not used. The transmitted vibration component is almost eliminated, and the noise can be reduced.

Next, the sixth embodiment will be described with reference to FIGS.
Will be explained. Reference numeral 81 is an axial elastic body attached to the rear portion of the motor portion, and one end of the elastic body 82 having tension is fixed to the outer peripheral ring 83 and the other end is fixed to the inner peripheral ring 84. The inner peripheral ring 84 is fixed to the motor portion 7 and the outer peripheral ring 83 is fixed to the main body 10 to support the fan motor 1 in the radial direction and the axial direction. 85 (a) (b)
(C) and (d) are radial elastic supports made of four plate-like elastic bodies, one end of which is the slit portion 86 (a) of the main body 10.
It is fixed to (b), (c), and (d), and the other end is in radial contact with the fan case portion 4. That is, although it is supported in the radial direction, it can slide in the axial direction. That is, if one end is slidable with a plate-like elastic body, the support is free in the slidable direction. In this case, the support is free in the axial direction, and as a result, the axial vibration is It is not transmitted to the main body through the radial elastic support. With respect to the radial direction, since a leaf spring is used, even if it has a flexible structure, it is unlikely to cause settling or creep, and an excellent vibration damping effect can be obtained. As for the axial elastic support, as described in the third embodiment, since it has nonlinearity in the axial direction, it can be stably supported with respect to the support of the suction force and the like. As described above, since it is possible to support in the radial direction with a simple structure and to support almost freely in the axial direction, it is possible to obtain a vacuum cleaner with less vibration transmitted to the main body and less noise in the main body.

Next, a seventh embodiment will be described with reference to FIG. The same parts as those in the sixth embodiment are designated by the same reference numerals and the description thereof will be omitted. 87 (a) (b) (c) (d)
Is a restriction rib fixed to the main body, and has a radial elastic support and a void 88 (a) (b) (c) (d) in the radial direction,
They are facing each other. As described above, this plate-shaped radial elastic support can be made very flexible in the radial direction. With this configuration, when a large force such as a drop impact is applied in the radial direction, the elastic support contacts the regulation rib, the bending fulcrum of the plate-shaped radial elastic support changes, and the rigidity increases. That is, the elasticity in the radial direction changes in two steps with respect to the displacement, and it is possible to provide support that is flexible with respect to vibration and absorbs the impact force with respect to a drop impact. There is no destruction of the body. That is, the vibration damping effect is very excellent, and it is possible to support the shock safely.

[0038]

As described above, the present invention produces the following effects.

According to the first aspect of the present invention, a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a periphery of the fan motor intake hole. , The elastic support installed near the center of gravity of the fan motor and the main body, the rear elastic body for shock absorption installed with a gap between the motor section and the main body, and the fan. By realizing an electric vacuum cleaner with a front elastic body for shock absorption installed with a gap between the outer circumference of the part and the main body, it has a large vibration-proof effect and stable support against shocks etc. It is possible to reduce noise.

With respect to the invention of claim 2, the elastic support described in claim 1 is attached to the fan motor and the main body at each end, and is constituted by a plurality of leaf springs having a width in the axial direction of the fan motor. By doing so, it is possible to improve the vibration damping characteristics in the radial direction, stabilize the axial support more, and reduce noise.

According to the invention of claim 3, a fan motor for sucking dust and the like, comprising a fan part and a motor part,
A main body containing a fan motor, a nozzle for sucking dust together with air, a seal installed around the fan motor intake hole, and a plurality of spring members symmetrically installed while having radial tension. By realizing an electric vacuum cleaner in which the fan motor is elastically supported by interposing the elastic support body configured by the between the fan motor and the main body, it is flexible against vibration and has a large axial displacement. On the other hand, since it becomes possible to support with high rigidity, the vibration damping effect does not deteriorate even if a large suction force is exerted.

According to the invention of claim 4, a fan motor comprising a fan portion and a motor portion for sucking dust and the like,
The main body containing the fan motor, the nozzle that sucks dust together with the air, the seal installed around the fan motor intake hole, one is attached to the main body and the other is installed near the rear motor axis, and the width in the axial direction is set. An axial elastic support member configured by symmetrically arranging a plurality of plate-shaped elastic members having a radial elastic support member interposed between the fan motor center of gravity and the main body to perform radial support. By realizing the configuration provided, it is possible to stabilize the support, reduce vibration transmission, and reduce noise.

According to a fifth aspect of the present invention, a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body including the fan motor, a nozzle for sucking dust together with air, and a fan motor elastically attached to the main body. A disk-shaped seal part that is in contact with the elastic support that supports it, a cylindrical mounting part that is joined to the fan motor intake hole, and a partition plate between the main body dust collection chamber, and the cylindrical mounting part and the circular disk sealing part are approximately U-shaped. By realizing an electric vacuum cleaner having a seal in which a hollow portion is provided in the lower portion of the connecting disc seal portion at the brim portion, vibration transmitted from the seal portion can be reduced and noise can be reduced.

According to a sixth aspect of the present invention, a fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a periphery of the fan motor intake hole. A seal installed on the motor, an axial elastic support attached to the rear of the motor to regulate axial movement, and a plate-shaped elastic body with one end fixed to the main body and the other end in radial contact with the fan motor. By realizing the vacuum cleaner having the radial elastic support configured to support the radial direction, vibration transmission can be reduced and noise can be reduced with a simple configuration.

According to a seventh aspect of the present invention, the radial elastic support according to the sixth aspect is provided with a restricting rib fixed to the main body at a position facing the radial direction with a gap, so that it is protected against impact drop. More stable support is possible.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a fan motor unit of an electric vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is an enlarged view of an elastic support of the electric vacuum cleaner.

FIG. 3 is a sectional view of a fan motor unit of the electric vacuum cleaner according to the second embodiment of the present invention.

FIG. 4A is an enlarged view of an elastic support of the electric vacuum cleaner according to the second embodiment of the present invention. FIG. 4B is a perspective view of a leaf spring of the elastic support.

FIG. 5 is a cross-sectional view of a fan motor unit of an electric vacuum cleaner according to a third embodiment of the present invention.

FIG. 6 (a) is an enlarged view of an elastic support member of a vacuum cleaner according to a third embodiment of the present invention (b) is an enlarged view of a spring member of the same vacuum cleaner; and (c) shows a state in which the spring member is attached. Figure

FIG. 7 is a diagram showing characteristics in the axial direction of the elastic support member of the electric vacuum cleaner according to the third embodiment of the present invention.

FIG. 8 is a cross-sectional view of a fan motor unit of an electric vacuum cleaner according to a fourth embodiment of the present invention.

FIG. 9A is an enlarged view of an elastic support member of the vacuum cleaner according to the fourth embodiment of the present invention. FIG. 9B is an enlarged view of a spring member of the vacuum cleaner.

FIG. 10 is a cross-sectional view of a fan motor unit of an electric vacuum cleaner according to a fifth embodiment of the present invention.

FIG. 11 (a) is an enlarged view of a seal portion of an electric vacuum cleaner according to a fifth embodiment of the present invention. FIG.

FIG. 12 is a sectional view of a fan motor portion of an electric vacuum cleaner according to a sixth embodiment of the present invention.

FIG. 13 is a front sectional view of a fan motor section of the electric vacuum cleaner.

FIG. 14 is a front sectional view of a fan motor section of an electric vacuum cleaner according to a seventh embodiment of the present invention.

FIG. 15 is a configuration diagram of a conventional vacuum cleaner.

[Explanation of symbols]

 1 Fan Motor 2 Intake Hole 7 Motor Part 10 Main Body 27 Front Elastic Body 32 Rear Elastic Body 35,71 Seal 40 Elastic Support 41 Leaf Spring 51 Spring Material 61 Axial Elastic Support 64 Plate Elastic 66,85 Radial Elasticity Support 72 Disc-shaped seal portion 73 Cylindrical mounting portion 74 Collar portion 75 Hollow portion 87 Control rib 88 Space

Claims (7)

[Claims] 1. A fan motor comprising a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a fan motor suction hole installed around the fan motor. A seal, an elastic support member installed near the center of gravity of the fan motor and the main body, a rear elastic member for shock absorption installed with a gap between the motor unit and the main unit, the outer periphery of the fan unit and the main unit An electric vacuum cleaner having a front elastic body for absorbing shock, which is installed with a gap between the two. 2. The electric vacuum cleaner according to claim 1, wherein the elastic support is attached to the fan motor and the main body at each end, and is constituted by a plurality of leaf springs having a width in the axial direction of the fan motor. 3. A fan motor comprising a fan portion and a motor portion for sucking dust and the like, a main body enclosing the fan motor, a nozzle for sucking dust together with air, and a fan motor suction hole. An electric cleaning system that elastically supports the fan motor by interposing between the fan motor and the main body an elastic support body composed of a seal and a plurality of spring members symmetrically installed while having tension in the radial direction. Machine. 4. A fan motor comprising a fan portion and a motor portion for sucking dust and the like, a main body enclosing the fan motor, a nozzle for sucking dust together with air, and a fan motor suction hole. A seal, and an axial elastic support body configured by symmetrically arranging a plurality of plate-shaped elastic bodies having a seal, one of which is attached to the main body and the other of which is near a fan motor rear axial center, An electric vacuum cleaner having a radial elastic support member interposed between the fan motor center of gravity and the main body for radial support. 5. A fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and an elastic support for elastically supporting the fan motor on the main body. The body, the disk-shaped seal part that is in contact with the partition plate between the cylindrical mounting part that is joined to the fan motor intake hole and the main body dust collection chamber, and the cylindrical mounting part and the disk-sealing part by the approximately U-shaped brim part. An electric vacuum cleaner having a seal in which a hollow portion is provided below the connecting disc seal portion. 6. A fan motor including a fan portion and a motor portion for sucking dust and the like, a main body containing the fan motor, a nozzle for sucking dust together with air, and a fan motor suction hole. A diameter composed of a seal, an axial elastic support attached to the rear part of the motor to regulate axial movement, and a plate-shaped elastic body having one end fixed to the main body and the other end radially contacting the fan motor. Vacuum cleaner having a radial elastic support for directional support. 7. The electric vacuum cleaner according to claim 6, further comprising a restriction rib fixed to the main body at a position facing the radial elastic support and having a gap and facing the radial direction.