JP2005237461A - Motor anti-vibration support member for electric vacuum cleaner and electric vacuum cleaner provided with the motor anti-vibration support member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a motor anti-vibration support member for a vacuum cleaner and its motor anti-vibration capable of accommodating various types of motors having different motor lengths without increasing the manufacturing cost even in one motor case. It is providing the vacuum cleaner provided with the supporting member.
A motor vibration-proof support member 300 for a vacuum cleaner has a first vibration-proof support member 300A and a second vibration-proof support member 300B. The first anti-vibration support member 300A covers the negative pressure generating port 110 side of the vacuum cleaner motor 100S and covers the cylindrical receiving portion region 301 connected to the fan region of the vacuum cleaner motor 100S. In order to connect the cylindrical receiving portion region 301 and the second space R2, a cylindrical skirt region 302 provided continuously with respect to the cylindrical receiving portion region 301 is provided. A second anti-vibration support member 300B made of a material harder than the first anti-vibration support member 300A and having a cylindrical shape is disposed along the inner peripheral surface of the cylindrical skirt region 302.
[Selection] Figure 1

Description

  The present invention relates to a structure of a motor anti-vibration support member for a vacuum cleaner and a vacuum cleaner provided with the motor anti-vibration support member.

  In the vacuum cleaner, a vibration-proof support member is used when the motor is fixed to the motor case. This anti-vibration support member has an anti-vibration function for suppressing vibrations generated from the motor and a function of holding negative pressure. Patent document 1 is mentioned as what discloses the vacuum cleaner using such a vibration-proof support member.

  This Patent Document 1 discloses a method of supporting a motor having two types of outer diameters of a fan portion with one type of vibration isolation support member (anti-vibration support rubber). Two types of ring-shaped ribs are provided on the portion of the vibration-proofing support rubber that fits with the motor outer diameter, and a slit is provided partially on the inner rib of the two ribs. When the anti-vibration rubber made of this shape is fitted to a motor with a large outer diameter, the inner rib is bent so as not to interfere with the engagement so that it adheres closely to the outer wall of the motor and does not hinder the generation of negative pressure. It is configured.

  Further, other vibration-proof support rubber forms that the applicant can know will be described with reference to FIGS. 9 to 13. The motor case 500 for housing the motor has a two-part structure (first case 500A, second case 500B). By using the screw fixing slot 502 and the screw hole 503 provided in each case, Each case is fixed so as to be integrated.

  In the motor housing portions of the first case 500A and the second case 500B, it is usually necessary to store two to three types of motors according to the rank of the motor outer diameter or by the motor manufacturer. In general, the difference between the motors is generally the difference in the axial length of the motor. Therefore, in order to house these various motors in the same motor case 500, as shown in FIG. 9, a rib 501 provided on the inner peripheral surfaces of the first case 500A and the second case 500B is used to provide a motor case. A method of fixing the motor in 500 is employed.

  Specifically, in the motor 100S having a short axial length, as shown in FIGS. 10 and 11, the fixed anti-vibration rubber 200 is fitted on the rotating shaft side, and the anti-vibration rubber 600B is provided on the fan outer diameter side. In addition, the motor housing plate 700 is sandwiched between ribs 501 provided in the housing portion of the motor case 500, thereby creating a sealing surface between the vibration isolating rubber 600B and the motor housing plate 700. The housing of the motor 100S that can suppress the vibration generated from the 100S and secure the negative pressure is realized.

  On the other hand, in the motor 100L having a long axial length, as shown in FIGS. 12 and 13, the fixed anti-vibration rubber 200 is fitted on the rotating shaft side and the anti-vibration rubber 600A is fitted on the fan outer diameter side. The motor 100L is fixed to the motor housing portion of the first case 500A and the second case 500B, and the vibration generated from the motor 100L is suppressed and the negative pressure is maintained by the fixed vibration-proof rubber 200 and the vibration-proof rubber 600A. Yes.

As described above, by appropriately using the rib 501 and the motor storage plate 700, different types of motors can be stored in one type of motor case 500.
Japanese Utility Model Publication No. 02-67949

  However, the motor storage structure shown in FIGS. 9 to 13 has the following problems.

  (1) Since the motor which can be accommodated is determined by the position of the rib provided in the motor case, it cannot cope with many types of motors having different motor lengths.

  (2) When the motor is incorporated into the motor case, the motor housing plate 700 for fitting into the rib 501 is required, and the manufacturing cost due to the extension of the parts cost (including mold cost) and assembly time of the motor housing plate 700 Rise is a problem. In addition, forgetting to fit the rib 501 or poor fitting is also a problem.

  Accordingly, the present invention has been made to solve the above-described problem, and even with one motor case, it is possible to store various types of motors having different motor lengths without increasing the manufacturing cost. Another object is to provide a motor vibration-proof support member for a vacuum cleaner and a vacuum cleaner provided with the motor vibration-proof support member.

  In order to achieve the above object, in a motor vibration isolating support member for a vacuum cleaner according to the present invention, a motor case having a first space and a second space, and the second space are defined as the first space. A vacuum cleaner motor arranged to partition the first space and the second space in order to make a negative pressure state than the space, and the vacuum cleaner motor in the motor case This is a motor anti-vibration support member for a vacuum cleaner, which is used for arranging the electric vacuum cleaner, and has the following characteristics.

  The motor anti-vibration support member for a vacuum cleaner according to the present invention includes a cylindrical receiving region connected to the vacuum cleaner motor and an elastic member so as to surround the negative pressure generating port of the vacuum cleaner motor. A first anti-vibration support member having a cylindrical skirt region provided continuously with respect to the cylindrical receiving portion region for connecting the cylindrical receiving portion region and the second space; A cylindrical second anti-vibration support member disposed along the inner peripheral surface of the cylindrical skirt region and made of a material harder than the first anti-vibration support member.

  According to the motor anti-vibration support member for a vacuum cleaner and the electric vacuum cleaner provided with the motor anti-vibration support member according to the present invention, at least the cylindrical skirt region of the first anti-vibration support member is composed of an elastic member. This enables expansion and contraction along the axial direction of the motor. Further, since the cylindrical second anti-vibration support member made of a material harder than the first anti-vibration support member is attached to the inner peripheral surface of the cylindrical skirt region, even when negative pressure is generated in the motor, It becomes possible to maintain the shape of this cylindrical skirt region.

  Accordingly, even when various types of motors having different motor lengths are accommodated in the motor case, the occurrence of a gap between the motor and the motor case is prevented by the expansion and contraction of the cylindrical skirt region. Further, the shape of the cylindrical skirt region is maintained by the second vibration-proof support member. As a result, various types of motors having different motor lengths can be accommodated in the motor case even in one motor case without adversely affecting the decompressed state due to the driving of the motor. For example, by making the cylindrical skirt region into a bellows shape, the cylindrical skirt region can be greatly expanded and contracted along the axial direction, and the types of motors that can be stored can be expanded.

  Hereinafter, a motor vibration isolating support member for a vacuum cleaner according to an embodiment based on the present invention will be described with reference to the drawings. First, with reference to FIG. 1 and FIG. 2, the structure of the motor anti-vibration support member 300 for a vacuum cleaner in the present embodiment will be described. FIG. 1 is a partial cross-sectional view of the motor case 500 accommodated in the motor case 500, and FIG. 2 is an overall perspective view showing the structure of the motor 100S and the motor vibration-proof support member 300 for a vacuum cleaner. . In addition, about the same or equivalent part as what was demonstrated in background art, the same reference number is attached | subjected and the overlapping description will not be repeated.

(Motor anti-vibration support member 300 for electric vacuum cleaner)
Referring to FIGS. 1 and 2, a motor case 500 in which the motor 100S is to be accommodated has a first space (atmospheric pressure space) R1 and a second space (negative pressure space) R2, and the second space In order to make space R2 into a negative pressure state rather than 1st space R1, the motor 100S for vacuum cleaners is arrange | positioned so that 1st space R1 and 2nd space R2 may be divided. As described with reference to FIG. 9, the motor case 500 has a two-part structure.

  The motor vibration-proof support member 300 for a vacuum cleaner in the present embodiment includes a first vibration-proof support member 300A and a second vibration-proof support member 300B. The first anti-vibration support member 300A covers the negative pressure generating port 110 side of the vacuum cleaner motor 100S and covers the cylindrical receiving portion region 301 connected to the fan region of the vacuum cleaner motor 100S. In order to connect the cylindrical receiving portion region 301 and the second space R2, a cylindrical skirt region 302 provided continuously with respect to the cylindrical receiving portion region 301 is provided.

  The first anti-vibration support member 300A in the present embodiment is an integrally molded product made of an elastic member such as rubber (hardness 50-60 degrees) as a whole. The first anti-vibration support member 300A does not necessarily need to be an integrally molded product, and only the cylindrical skirt region 302 is formed of the above-described elastic member, and the cylindrical receiving portion region 301 is the motor 100S for a vacuum cleaner. As long as the shape and the structure are connected to the fan region without any gap, the shape is not particularly limited to the elastic member.

  The second vibration isolation support member 300B is disposed along the inner peripheral surface of the cylindrical skirt region 302, is made of a material harder than the first vibration isolation support member 300A, and has a cylindrical shape. Specific examples of the material include hard resin materials such as ABS resin. By disposing the second anti-vibration support member 300B along the inner peripheral surface of the cylindrical skirt region 302, the aggregate of the motor 100S does not become incompletely supported even when negative pressure is generated in the motor 100S. Thus, the shape of the cylindrical skirt region 302 can be maintained.

Here, the case where the 2nd anti-vibration support member 300B is not arrange | positioned is demonstrated with reference to FIG. When the second anti-vibration support member 300B is not provided, for example, when a vacuum pressure of 24.5 kPa (2500 mmH ₂ O) is applied to the cylindrical skirt region 302 having a width (axial length W) of 15 mm and a diameter of 120 mm, the cylindrical skirt As a result of a force of about 44.1 N (4.5 kgf) being applied to the region 302, the region 302 is deformed, leaks in a vacuum, and falls out of the motor support (arrow F in FIG. 3). On the other hand, by providing the second anti-vibration support member 300B, the second anti-vibration support member 300B supports this force from the vacuum side, prevents the deformation of the cylindrical skirt region 302, and reduces the vacuum pressure. It also has the role of pressing the motor 100S against the vacuum wall side.

(Other forms of motor anti-vibration support member for vacuum cleaner)
When it is necessary to accommodate three or more types of motors having greatly different motor lengths in the same motor case 500, a motor vibration-proof support member 310 for a vacuum cleaner having the following form is conceivable. The electric vacuum cleaner motor vibration-proof support member 310 will be described with reference to FIGS. 4 is an exploded perspective view when the motor vibration-proof support member 310 for a vacuum cleaner is applied to the motor 100S having a short motor length, and FIG. 5 is a cross-sectional view when the motor 100S is accommodated. It is. FIG. 6 is a longitudinal sectional view when a motor 100L having a motor length longer than the motor 100S is accommodated.

  As shown in FIG. 4, in the motor vibration-proof support member 310 for the vacuum cleaner, the cylindrical skirt region 312 of the first vibration-proof support member 310A corresponding to the first vibration-proof support member 300A described above has a bellows shape. Is provided. Thereby, the cylindrical skirt region 312 can be greatly expanded and contracted along the axial direction. As a result, by preparing in advance the second anti-vibration support member 310B having a length corresponding to the motor 100S and the second anti-vibration support member 310C having a length corresponding to the motor 100L, the motor 100S is mounted on the motor case 500. In the case of housing, as shown in FIG. 5, the second anti-vibration support member 310B is used to maintain the state in which the second anti-vibration support member 310B is greatly stretched in the axial direction. On the other hand, when the motor 100L is housed in the motor case 500, as shown in FIG. 6, the second anti-vibration support member 310B is greatly compressed in the axial direction by using the second anti-vibration support member 310C. State is maintained.

  In this way, by forming the cylindrical skirt region 312 of the first vibration isolation support member 310A into a bellows shape, it is not necessary to manufacture each vibration isolation rubber according to the motor length. Further, it is possible to accommodate three or more types of motors having greatly different motor lengths in the same motor case 500 only by adjusting the length of the vibration isolating support member according to the motor length. Moreover, the anti-vibration support member can withstand vacuum pressure.

  As described above, according to the conventional motor vibration-proof support member for a vacuum cleaner, it is necessary to first prepare an adjustment rib corresponding to the motor length in advance in the motor case, and when the adopted motor is changed, the mold needs to be corrected. Therefore, an increase in manufacturing cost has been a problem. In addition, the assembly in which the motor housing plate is combined and then the assembly of the motor, the motor vibration isolating support member, and the fixed vibration isolating rubber is complicated, and the degree of vacuum may be deteriorated due to the deviation of this portion.

  However, according to the motor vibration-proof support member for a vacuum cleaner in the present embodiment, the first vibration-proof support member and the second vibration-proof support member can be assembled in advance by a rubber manufacturer. Therefore, without worrying about the degree of vacuum, the assembly can be completed by fitting a set of motor + motor vibration-proof support member + fixed vibration-proof rubber into the motor case.

  Further, by using the first anti-vibration support member having the bellows-shaped cylindrical skirt region, many motors can be mounted on the same main body motor case only by changing the second anti-vibration support member.

(Structure of vacuum cleaner 1000)
A structure of the vacuum cleaner to which the motor vibration-proof support members 300 and 310 for the vacuum cleaner having the above configuration are applied will be briefly described with reference to FIGS. 7 and 8. 7A is an overall perspective view of the electric vacuum cleaner 1000 viewed from the front side, and FIG. 7B is an overall perspective view of the electric vacuum cleaner 1000 viewed from the back side. FIG. 8 is an exploded perspective view of the motor case 500 when the motor anti-vibration support member 300 for vacuum cleaner or the motor anti-vibration support member 310 for vacuum cleaner is used.

  This vacuum cleaner 1000 is an upright type vacuum cleaner. As a configuration, nozzle head (the part that sucks up dust on the floor, there is an opening at the bottom, and dust is sucked from the floor and carpet with an agitator brush) 1001, suction hose (the dust sucked by the nozzle head is for cyclone separation) , A hose leading to a cyclone cup 1002, a cyclone cup (separating dust and air and collecting only clean air to the motor side) 1003, a main body (cyclone cup, handle described later, and other basics of assembly) A skeleton part) 1004 and a handle (a part to be gripped when the user operates the vacuum cleaner) 1005 are provided.

  The motor housed in the motor case 500 by the electric vacuum cleaner motor anti-vibration support members 300 and 310 generates a vacuum, sucks dust from the floor surface of the nozzle head 1001 of the vacuum cleaner 1000, and in the cyclone cup 1003. The role of the air source for garbage separation will be secured.

  In addition, the said embodiment disclosed this time is an illustration in all the points, Comprising: It does not become the basis of limited interpretation. Therefore, the technical scope of the present invention is not interpreted only by the above-described embodiments, but is defined based on the description of the claims. Further, all modifications within the meaning and scope equivalent to the scope of the claims are included.

In embodiment based on this invention, it is a fragmentary sectional view in the state where a motor was stored in a motor case. In embodiment based on this invention, it is a whole perspective view which shows the structure of the motor vibration-proof support member for motors and vacuum cleaners. In embodiment based on this invention, it is a fragmentary sectional view which shows the problem in the case of not arrange | positioning the 2nd vibration isolating support member. In embodiment based on this invention, it is an exploded perspective view at the time of applying the motor vibration-proof support member for vacuum cleaners to the motor with short motor length. In embodiment based on this invention, it is sectional drawing at the time of accommodating a motor. In embodiment based on this invention, it is sectional drawing at the time of accommodating the motor whose motor length is longer than the motor shown in FIG. In embodiment based on this invention, it is a figure which shows the structure of the vacuum cleaner which applied the motor anti-vibration support member for vacuum cleaners, (a) is the whole perspective view of the vacuum cleaner seen from the front side (B) is the whole perspective view of the vacuum cleaner seen from the back side. In embodiment based on this invention, it is a disassembled perspective view of a motor case at the time of using the motor anti-vibration support member for vacuum cleaners. It is a disassembled perspective view of the motor case in background art. It is a perspective view of a motor, fixed anti-vibration rubber, and anti-vibration rubber in the background art. It is sectional drawing at the time of accommodating the motor, fixed anti-vibration rubber | gum, and anti-vibration rubber | gum in background art in a motor case. It is a perspective view of a motor, a motor housing plate, a fixed anti-vibration rubber, and an anti-vibration rubber in the background art. It is sectional drawing at the time of accommodating the motor in the background art, a motor storage board, fixed anti-vibration rubber | gum, and anti-vibration rubber | gum in the motor case.

Explanation of symbols

  100L, 100S motor, 110 negative pressure generating port, 200 fixed anti-vibration rubber, 300, 310 motor anti-vibration support member for vacuum cleaner, 300A, 310A first anti-vibration support member, 300B, 310B, 310C second anti-vibration support Member, 301, 311 cylindrical receiving area, 302, 312 cylindrical skirt area, 500 motor case, 500A first case, 500B second case, 502 screw fixing slot, 503 screw hole, 504 screw, 1000 electric vacuum cleaner, 1001 Nozzle head, 1002 Suction hose, 1003 Cyclone cup, 1004 main body, 1005 handle, R1 first space (atmospheric pressure space), R2 second space (negative pressure space).

Claims (3)

A motor case having a first space and a second space, and the first space and the second space are partitioned in order to make the second space a negative pressure state than the first space. A vacuum cleaner motor disposed so as to be used in order to dispose the vacuum cleaner motor in the motor case.
The motor anti-vibration support member for the vacuum cleaner is
A cylindrical receiving region connected to the vacuum cleaner motor so as to surround the negative pressure generating port of the vacuum cleaner motor;
A first anti-vibration support member comprising an elastic member and having a cylindrical skirt region provided continuously with respect to the cylindrical receiving region to connect the cylindrical receiving region and the second space When,
A cylindrical second anti-vibration support member disposed along an inner peripheral surface of the cylindrical skirt region and made of a material harder than the first anti-vibration support member;
A motor vibration-proof support member for a vacuum cleaner, comprising:   The motor vibration-proof support member for a vacuum cleaner according to claim 1, wherein the cylindrical skirt region is provided in a bellows shape.   A vacuum cleaner comprising the motor vibration-proof support member for a vacuum cleaner according to any one of claims 1 and 2.

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