JP2004248897A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner reducing a burden of a user by facilitating the operation when connecting a blower component to an exhaust part and improving the usability by preventing the exhaust air leaked from the exhaust part from blowing filth on the surface to be cleaned. <P>SOLUTION: This vacuum cleaner is provided with an electric blower 12 blowing a suction air and a first exhaust part 23 and a second exhaust part 24 communicated with the exhaust side of the electric blower 12. The second exhaust part 24 is provided with an connectable attachment and/or connecting part 22 connected to the attachment and an opening 30 is formed in an upward inclined slope surface 31. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a vacuum cleaner used in ordinary households where exhaust gas can be used as a blower.
[0002]
[Prior art]
A conventional vacuum cleaner of this type will be described with reference to FIGS.
[0003]
In FIGS. 14 and 15, in front of the cleaner body 1, an intake port 2 for detachably connecting a dust collection hose (not shown) and a dust collection chamber 4 communicating with the intake port 2 are provided. ing.
[0004]
An electric blower 5 that generates a suction wind for sucking dust is provided behind the cleaner body 1, and a second exhaust unit 6 and a first exhaust unit 7 are provided on the rear surface of the cleaner body 1. The second exhaust unit 6 is provided with a lid 8 that opens and closes the second exhaust unit 6. The lid 8 is urged by a spring 9 in a direction in which the second exhaust portion 6 is closed. The second exhaust portion 6 is formed substantially horizontally with the surface to be cleaned in the longitudinal direction of the cleaner body 1.
[0005]
As described above, the second exhaust portion 6 is normally closed by the lid 8, and the exhaust air is discharged from the first exhaust portion 7 as shown by an arrow A as shown in FIG. When used as a blower, as shown in FIG. 15, by connecting the hose connection pipe 10 to the second exhaust part 6, the exhaust air is exhausted through the hose connection pipe 10 as shown by arrow B. Has been released (for example, see Patent Document 1).
[0006]
[Patent Document 1]
JP-A-61-50535 (pages 1-4, FIG. 1)
[0007]
[Problems to be solved by the invention]
However, in the above-mentioned conventional cleaner body 1, the second exhaust portion 6 is formed substantially horizontally with the surface to be cleaned in the longitudinal direction of the cleaner body 1, so that the user can connect the hose connection pipe 10 as a blower. When connecting to the second exhaust part 6, the hose connection pipe 10 must be bent substantially because the hose connection pipe 10 must be substantially perpendicular to the second exhaust part 6 to connect the hose connection pipe 10 to the second exhaust part 6. However, there is also a problem that a burden is imposed on the body and the wrist, which takes time.
[0008]
Further, when the second exhaust portion 6 is closed by the lid 8 in a normal use state, exhaust air leaks from a slight gap between the second exhaust portion 6 and the lid 8, and the surface to be cleaned is There was also a problem of blowing up garbage and nearby documents.
[0009]
SUMMARY OF THE INVENTION The present invention solves the above-described problems, and reduces the burden on a user by facilitating an operation when connecting a blower component to an exhaust unit, and also reduces exhaust air leaking from the exhaust unit to be cleaned. An object of the present invention is to provide a vacuum cleaner having improved usability by preventing dust from being blown off on a surface.
[0010]
[Means for Solving the Problems]
In order to solve the above conventional problems, the present invention includes an electric blower that emits suction air, a first exhaust unit and a second exhaust unit that communicate with the exhaust side of the electric blower, and the second exhaust unit includes An attachment and / or a connection part connected to the attachment can be connected, and the opening is formed by an inclined surface inclined upward, and the attachment or the connection part is connected to the second exhaust part as a blower. In doing so, the opening of the second exhaust portion is inclined upward with respect to the surface to be cleaned, so that the user can connect to the second exhaust portion with an attachment or connection portion at an obtuse angle to the second exhaust portion, The exhaust air that reduces the burden on the wrist and that leaks slightly from the second exhaust unit is released upward to the surface to be cleaned, making it possible to reduce the amount of dust on the surface to be cleaned and blow-up of nearby documents. What It can be reduced by forming.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
The invention according to claim 1 of the present invention includes an electric blower that generates a suction wind, a first exhaust unit and a second exhaust unit that communicate with the exhaust side of the electric blower, and an attachment and a second exhaust unit. And / or the connection part connected to the attachment is connectable, and the opening is formed by an inclined surface which is inclined upward. When the attachment or the connection part is connected to the second exhaust part as a blower. Since the opening of the second exhaust portion is inclined upward with respect to the surface to be cleaned, the user can connect to the second exhaust portion with an attachment or a connecting portion at an obtuse angle with respect to the second exhaust portion, so that the user can attach to the wrist. This structure reduces the burden, and the exhaust air that leaks slightly from the second exhaust unit is discharged upward to the surface to be cleaned, so that the dust on the surface to be cleaned and the blow-up of nearby documents can be reduced. Reduced by It can be.
[0012]
Further, as a result, when the blower is cleaned at a high place, the hose serving as the connecting portion is less bent at an acute angle, and the performance is prevented from deteriorating without impairing the pressure loss of the intake passage in the hose.
[0013]
The invention according to claim 2 of the present invention is characterized in that an upwardly inclined convex portion is provided on the outer periphery of the inclined surface, and when the attachment or the connection portion is connected to the second exhaust portion as a blower, Since the convex portion inclined at an angle allows the attachment and the connecting portion to move smoothly, the attachment and detachment become easy, and the inexpensive configuration can suppress the blow-off of dust on the surface to be cleaned by the exhaust air leaking from the opening.
[0014]
The invention according to claim 3 of the present invention includes a lid that is openable and closable with respect to the second exhaust portion, and a convex portion is provided on the atmosphere side of the lid, and an attachment or a connection portion is used as a blower. When connecting to the second exhaust portion, the inner diameter of the attachment or the connection portion is determined by the convex portion, so that it can be securely attached and detached and the usability is improved.
[0015]
The invention according to claim 4 of the present invention provides a soft material between the opening and the lid, and suppresses the outflow of the exhaust air slightly discharged from between the opening of the second exhaust part and the lid. It is possible to prevent dust from being blown off on the surface to be cleaned.
[0016]
The invention according to claim 5 of the present invention is characterized in that dust collecting means is provided between the exhaust side of the electric blower and the second exhaust part, and fine dust from the electric blower is collected by the dust collecting means. Even if collected and used as a blower, the exhaust air from the blower becomes clean and improves the cleanliness of the exhaust.
[0017]
The invention according to claim 6 of the present invention provides the lid with a communication portion communicating with the exhaust side of the electric blower, and discharges the exhaust air from the electric blower, which tends to store heat, to the outside air to overheat the electric blower. , The cooling effect and durability of the electric blower can be improved.
[0018]
The invention according to claim 7 of the present invention stores an attachment connectable to the second exhaust unit in the vicinity of the second exhaust unit, so that it is not necessary to connect the attachment to the second exhaust unit. , The usability is improved.
[0019]
The invention according to claim 8 of the present invention is characterized in that the attachment connectable to the second exhaust portion is disposed substantially at right angles in the horizontal direction with respect to the central axis in the longitudinal direction of the cleaner main body. The overall length in the direction can be shortened, which can contribute to downsizing of the vacuum cleaner body.
[0020]
【Example】
(Example 1)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
[0021]
FIG. 1 is a top view of a cleaner body showing a first embodiment of the present invention, FIG. 2 is a side view of the cleaner body, and FIG. 3 is a rear view of the cleaner body. FIG. 4 is a side sectional view of the cleaner body, and FIG. 5 is an upper sectional view of the cleaner body. FIG. 6 is a partial side sectional view showing the lid, and FIG. 7 is a partial upper sectional view showing the lid. FIG. 8 is an operation diagram when the hose connecting tube is inserted into the lid, and FIG. 9 is a partial conceptual diagram when the hose connecting tube is inserted into the lid.
[0022]
In FIG. 4, an electric blower room 13 having a built-in electric blower 12 for generating a suction wind for sucking dust is provided behind the cleaner body 11, and an intake side of the electric blower 12 is provided in front of the cleaner body 11. And a substantially circular dust collecting chamber 14 for collecting dust is provided. The dust collection chamber 14 is configured to be detachable from the cleaner body 11. A moving caster 15 serving as a traveling means is pivotally supported on the lower front surface of the cleaner body 11, and a pair of moving wheels 16 are rotatably provided on both rear side surfaces of the cleaner body 11. .
[0023]
Inside the dust collecting chamber 14, a main filter 17 for collecting fine dust and a pre-filter 19 having a substantially conical mesh portion 18 rotatably mounted on the main filter 17 for collecting coarse dust. Is provided. An intake port 20 is provided in the upper front of the dust collection chamber 14. A hose connecting pipe 22 is provided at one end of a hose 21 which is connected to an attachment (not shown) that communicates with the dust collecting chamber 14 and sucks dust. It is attached to and detachable from the mouth 20, and is freely rotatable.
[0024]
In FIGS. 5 and 7, a first exhaust portion 23 that discharges exhaust gas discharged from the electric blower 12 to the outside is formed behind the cleaner body 11. A second exhaust portion 24 is formed, into which a hose connection pipe 22 at one end of a hose 21 as a connection portion can be inserted and connected.
[0025]
A cover 25 that opens and closes the second exhaust unit 24 in a rotatable manner is disposed in the second exhaust unit 24, and a spring 27 is biased on a rotation shaft 26 of the cover 25, The lid 25 is provided so that the second exhaust portion 24 is always closed by the spring 27. In FIG. 7, exhaust air discharged from the electric blower 12 passes through an exhaust path 29 formed by partition ribs 28 formed in the cleaner body 11 and communicates in the direction of the arrow.
[0026]
In FIG. 9, when the hose connection pipe 22 is inserted and connected to the second exhaust section 24 when used as a blower that uses centralized exhaust, the lid 25 is pushed by the hose connection pipe 22 and rotates in the direction of arrow A. I do. At this time, the lid 25 hits the partition rib 28, and the exhaust from the ordinary electric blower 12 is blocked by the lid 25, so that the exhaust air passes through the hose connection pipe 22 and discharges the exhaust as shown by the arrow B. It has become.
[0027]
In FIG. 8, the opening 30 of the second exhaust unit 24 has an inclined surface 31 inclined upward with respect to the surface to be cleaned in the normal cleaning state in which the traveling unit is in contact with the surface to be cleaned. Is formed.
[0028]
The operation and operation of the above configuration will be described.
[0029]
In FIG. 8, by providing the inclined surface 31 at the opening 30 of the second exhaust unit 24, the exhaust leaking from the opening 30 of the second exhaust unit 24 is discharged upward with respect to the surface to be cleaned. It is possible to reduce blowing off dust on the surface to be cleaned and documents in the vicinity.
[0030]
Also, when the hose connection pipe 22 is inserted into the second exhaust part 24 as a blower, the user can easily see the second exhaust part 24 because the hose connection pipe 22 is inserted obliquely from above to below. Therefore, the user can connect the hose connecting pipe 22 to the second exhaust part 24 in an obtuse angle direction, so that the burden on the wrist can be reduced without significantly bending.
[0031]
As a result, when the blower effect is used in a high place, the hose 21 connected to the hose connection pipe 22 does not bend at an acute angle, and the performance is maintained without impairing the pressure loss of the intake passage in the hose 21. Prevent drop.
[0032]
3, 6, and 8, the outer circumference of the opening 30 of the second exhaust unit 24 is inclined approximately half below the opening 30 and upward with respect to the surface to be cleaned of the cleaner body 11. An inclined rib 32 which is a convex portion is formed. Accordingly, when the user inserts the hose connection pipe 22 into the second exhaust part 24 as a blower, the inclined rib 32 blocks the hose connection pipe 22 so that the insertion of the hose connection pipe 22 is facilitated, and the configuration is inexpensive. In addition, it is possible to prevent dust from being blown off on the surface to be cleaned by the exhaust air slightly leaking from the opening 30.
[0033]
In addition, a projection rib 33 is provided on the outside air side of the lid 25 that rotatably opens and closes the opening 30 of the second exhaust unit 24. Thus, when the user inserts the hose connection pipe 22 into the second exhaust part 24 as a blower, the user can easily see the lid 25 formed on the second exhaust part 24, The inner diameter of the hose connection pipe 22 is disturbed by the protruding ribs 33, so that the hose connection pipe 22 can be easily attached and detached, thereby improving the usability.
[0034]
6 and 7, between the opening 30 of the second exhaust part 24 and the lid 25, an airtight packing body 34 made of a soft material is locked by bonding or the like. Due to this, due to the variation in the shape of the parts generated between the opening 30 of the second exhaust part 24 and the lid 25, the gas is slightly discharged from between the opening 30 of the second exhaust part 24 and the lid 25. Outflow of exhaust air can be prevented.
[0035]
7 and 9, a dust collecting means for collecting coarse dust between the electric blower chamber 13 and the second exhaust part 24 in an exhaust path 29 through which exhaust air flows from the electric blower chamber 13 containing the electric blower 12. A certain filter 35 is provided. The filter 35 is locked by a guide rib 36 formed on the cleaner body 11. Accordingly, as shown in FIG. 9, even when the hose connection pipe 22 is connected to the second exhaust unit 24 as a blower, fine dust emitted from the electric blower 12 is collected by the filter 35, Exhaust air from the blower is clean and improves the cleanliness of the exhaust.
[0036]
3 and 6, a plurality of communication holes 37 are provided on the outside air side of the lid 25 that rotatably opens and closes the opening 30 of the second exhaust unit 24. As a result, the exhaust pressure from the electric blower chamber 13 where heat is likely to be stored is reduced, the exhaust air is released to the outside air, and the overheat of the electric blower 12 is suppressed. As a result, the cooling effect and durability of the electric blower 12 can be improved.
[0037]
In the present embodiment, a case in which a hose connection pipe 22 formed at one end of a hose 21 which is a connection part to which an attachment (not shown) for sucking dust is connected is inserted and connected to the second exhaust unit 24. As described above, the same effect can be obtained by using an attachment (not shown) that can be directly inserted and connected to the second exhaust unit 24.
[0038]
(Example 2)
Hereinafter, a second embodiment of the present invention will be described with reference to FIGS.
[0039]
Second Embodiment FIG. 10 is a sectional view of a main part of a rear part of a cleaner body according to a second embodiment of the present invention. FIG. 11 is an operation diagram when the storage lid of the cleaner body is opened and closed. FIG. 12 is an operation diagram when the attachment and the dust collection filter are removed. FIG. 13 is a partially cutaway plan view of the cleaner body. The second embodiment is a detailed representation of the attachment storage from the first embodiment. The components having the same reference numerals as those in the first embodiment have the same structure, and a description thereof will be omitted.
[0040]
7, 10, and 11, a dust collection filter 38 for collecting fine dust is disposed behind a first exhaust unit 23 provided in an exhaust path 29 through which exhaust from the electric blower chamber 13 flows. The dust collecting filter 38 is provided with a hook 40 having a projection 39. The hook 40 fits into a recess 41 formed in the cleaner body 11 and is detachable. Is formed.
[0041]
A plurality of attachments 42, at least one of which can be directly connected to the second exhaust unit 24, are provided between the dust collecting filter 38 for collecting fine dust and the partition rib 28 forming the exhaust path 29. It is stored in a storage section 43 formed in the main body 11.
[0042]
A storage lid 44 is provided above the dust collection filter 38 and the plurality of attachments 42, and the storage lid 44 is configured to be rotatable around a rotation shaft 45 of the cleaner body 11. ing. By rotating the storage lid 44, the dust filter 38 and the plurality of attachments 42 can be removed in the direction of the arrow in FIG. As a result, since the storage lid 44 covers the plurality of attachments 42 and the dust collection filter 38, the plurality of attachments 42 and the dust collection filter 38 are hidden, and the external appearance of the cleaner body 11 is simplified with a simple configuration. No loss. In addition, when the attachment 42 that can be directly connected to the second exhaust unit 24 is connected, no trouble is required, and the usability is improved.
[0043]
In FIGS. 10 and 13, the dust collecting filter 38 for collecting fine dust and the plurality of attachments 42 are arranged in tandem at a substantially right angle in the horizontal direction 46 with respect to the longitudinal center axis of the cleaner body 11. I have. Thereby, the longitudinal dimension L of the cleaner main body 11 shown in FIG. 10 can be shortened, so that there is no useless space in the cleaner main body 11 and compactness is possible.
[0044]
10 and 11, the storage lid 44 is configured to be rotatable around a rotation shaft 45 of the cleaner body 11, and the hook 47 of the storage lid 44 is detachably attached. The U-shaped holding portion 48 formed on the dust collecting filter 38 for collecting fine dust is fitted and detachably locked. As a result, it is not necessary to form the holding portion 48 with a complicated mold configuration on the cleaner body 11 side which is a large part.
[0045]
Further, since the holding portion 48 is formed on the dust collecting filter 38 which is a relatively small component in terms of a mold, the holding cost of the dust collecting filter 38 can be formed with a low cost with a reduced mold cost.
[0046]
【The invention's effect】
As described above, according to the present invention, by simplifying the operation when connecting the blower component to the exhaust unit, the burden on the user can be reduced, and the exhaust air leaking from the exhaust unit can reduce the surface to be cleaned. By preventing dust from being blown off, a vacuum cleaner with improved usability can be provided.
[Brief description of the drawings]
FIG. 1 is a top view of a main body of a vacuum cleaner according to a first embodiment of the present invention. FIG. 2 is a side view of the main body of the vacuum cleaner. FIG. 3 is a rear view of the main body of the vacuum cleaner. Side sectional view [FIG. 5] Upper sectional view of the same vacuum cleaner [FIG. 6] Partial side sectional view showing the lid of the cleaner body [FIG. 7] Partial planar sectional view showing the lid of the cleaner body [FIG. FIG. 8 is an operation diagram when the hose connection pipe of the cleaner body is inserted into the lid body. FIG. 9 is a partial conceptual view when the hose connection pipe of the cleaner body is inserted into the lid body. FIG. FIG. 11 is a sectional view of the main part of the main body of the vacuum cleaner according to the second embodiment. FIG. 11 is an operation diagram when the storage lid of the main body of the vacuum cleaner is opened and closed. FIG. FIG. 13 is a partially cutaway plan view of the main body of the vacuum cleaner. FIG. 14 is a side sectional view of a conventional vacuum cleaner. Partial conception view when inserting the same hose connecting pipe to the lid EXPLANATION OF REFERENCE NUMERALS
DESCRIPTION OF SYMBOLS 11 Vacuum cleaner main body 12 Electric blower 14 Dust collection chamber 22 Hose connection pipe 23 First exhaust part 24 Second exhaust part 25 Cover 30 Opening part 31 Slope

Claims (8)

An electric blower that emits suction air, a first exhaust portion and a second exhaust portion that communicate with the exhaust side of the electric blower, and an attachment and / or a connection portion connected to the attachment are connected to the second exhaust portion. A vacuum cleaner, wherein the vacuum cleaner is formed with an inclined surface in which the opening is inclined upward. The vacuum cleaner according to claim 1, wherein a convex portion inclined upward is provided on an outer periphery of the inclined surface. The vacuum cleaner according to claim 1, further comprising a lid that can be opened and closed with respect to the second exhaust unit, and a convex part provided on the atmosphere side of the lid. The vacuum cleaner according to claim 3, wherein a soft material is provided between the opening and the lid. The vacuum cleaner according to any one of claims 1 to 4, wherein a dust collecting unit is provided between an exhaust side of the electric blower and the second exhaust unit. The vacuum cleaner according to any one of claims 3 to 5, wherein a communication portion that communicates with an exhaust side of the electric blower is provided on the lid. The vacuum cleaner according to any one of claims 1 to 6, wherein an attachment connectable to the second exhaust unit is stored near the second exhaust unit. The vacuum cleaner according to claim 7, wherein the attachment connectable to the second exhaust unit is disposed substantially at right angles in a horizontal direction with respect to a central axis in a longitudinal direction of the cleaner body.

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