JP2005118530A - Hose coupling device for vacuum cleaner and wet-dry vacuum cleaner having the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hose coupling device for a vacuum cleaner that improves the usability of the vacuum cleaner without requiring a hose coupling tube to be separated from a vacuum cleaner body for attaching and detaching a dust box, and a wet-dry vacuum cleaner equipped with the same.
A hose coupling device according to the present invention includes a hose holder provided in a vacuum cleaner body, a hose coupling pipe coupled to the hose holder and coupled to a suction hose at an end, a hose holder and the vacuum cleaner body. And an auxiliary connecting pipe that is movably provided in the first and second positions between the outer peripheral surface of the dust box and the operating unit that moves the auxiliary connecting pipe to the first position and the second position. The operation unit moves the auxiliary connecting pipe to the first position and the second position while operating in conjunction with an opening / closing operation of a cover provided on the vacuum cleaner main body so as to be freely rotatable. Here, the first position is a position where the auxiliary connecting pipe is separated from the outer peripheral surface of the dust box by a certain distance, and the second position is a position where the auxiliary connecting pipe is in close contact with the outer peripheral surface of the dust box. The auxiliary connecting pipe is placed in the second position when the cover is closed, and in the first position when the cover is opened.
[Selection] Figure 3

Description

  The present invention relates to a vacuum cleaner, and more specifically to a hose coupling device for coupling a suction hose to a vacuum cleaner body and a wet-dry vacuum cleaner including the same.

  As is well known, a wet-dry vacuum cleaner sucks and filters not only dry garbage but also garbage containing water, a motor part that generates suction force, a brush part that sucks water, dust and dirt, and sucked dust. A filter unit that separates water and dust from the air, and a storage unit that stores dust, water, and dust separated from the air by the filter unit.

  On the other hand, a wet-dry vacuum cleaner in which dust, water, and dust collected in the dust box can be easily discarded to improve the usability of the cleaner has been filed by the present applicant as Korean Patent Application No. 2002-57713 (filing date: September 24, 2002).

  According to the above-mentioned patent application No. 2002-57713, the wet-dry vacuum cleaner has a vacuum generator that generates suction force, and a dust collection chamber having a vacuum generator provided on the lower side and having an air suction port and a discharge port. The formed vacuum cleaner body, a dust box that is separably attached to the dust collection chamber of the vacuum cleaner body, and an exhaust passage that is provided at the top of the vacuum cleaner body so as to be pivotably opened and closed and communicates with the discharge port of the dust collection chamber And a hose coupling device for coupling the suction hose connected to the cleaner main body by the suction hose and moving along the surface to be cleaned to the air suction port of the cleaner main body.

  FIG. 1 is a diagram schematically showing a hose connecting device 10 of a wet-dry type vacuum cleaner as described above. In FIG. 1, reference numeral 1 denotes a cleaner body, 2 denotes a dust box, 3 denotes a hose connecting pipe, and 4 Is a hose holder.

  As shown in FIG. 1, a hose holder 4 having an air suction port 4 a is provided on one side of the cleaner body 1. Further, the dust box 2 is formed with a communication hole 2a corresponding to the air suction port 4a. The hose connecting pipe 3 is provided so as to pass through the air suction port 4 a and the communication hole 2 a so that its end protrudes into the dust box 2. In the drawings, reference numerals 5 and 6 denote gaskets for preventing the inflow air from being lost.

  During cleaning, dust including dust, dirt or water on the surface to be cleaned flows into the interior of the cleaner body 1 together with air through a suction brush (not shown). Air is discharged to the discharge port via the dust box 2 mounted in the dust collection chamber, and dust and water are collected in the dust box 2. On the other hand, when the dust box 2 is full of dust, the dust box 2 is separated from the cleaner body 1 and the collected dust is discarded.

  However, in the wet-dry vacuum cleaner as described above, as shown in FIG. 1, the hose connecting pipe 3 constituting the hose connecting device 10 for connecting the suction hose to the cleaner main body 1 includes the air suction port 4a and the dust box. 2, the hose connecting pipe 3 is always separated from the cleaner body 1 before the dust box 2 is taken out of the cleaner body 1 in order to dispose of the dust accumulated in the dust box 2. There was inconvenience in use that the dust box 2 should be taken out later.

  The present invention has been devised in consideration of the above-mentioned points, and the purpose thereof is cleaning that improves the usability of the vacuum cleaner because it is not necessary to separate the hose connection pipe from the main body of the vacuum cleaner for attaching and detaching the dust box. It is an object of the present invention to provide a hose coupling device for a machine and a wet-dry vacuum cleaner having the same.

  A hose coupling device for a vacuum cleaner according to the present invention for achieving the above-described object includes a hose holder provided in a vacuum cleaner main body, a hose coupling pipe coupled to the hose holder, and a suction hose coupled to an end thereof. And an auxiliary connecting pipe movably provided in first and second positions between the hose holder and an outer peripheral surface of a dust box that is detachably mounted on the vacuum cleaner body, and an auxiliary connecting pipe at the first position and An actuating unit that is moved to a second position.

  The operation unit moves the auxiliary connecting pipe to the first position and the second position while operating in conjunction with the opening and closing operation of a cover provided on the upper portion of the vacuum cleaner main body so as to be freely rotatable.

  Here, the first position is a position where the auxiliary connecting pipe is spaced from the outer peripheral surface of the dust box at a constant interval, and the second position is a position where the auxiliary connecting pipe is in close contact with the outer peripheral surface of the dust box.

  The actuating unit is provided on both sides of the auxiliary connecting pipe and has a pair of guide members each having a first inclined protrusion having a predetermined inclined surface, and an inclination corresponding to the inclined surface of the first inclined protrusion. A pair of second inclined protrusions having a surface, and a pair of guide shafts that support the second inclined protrusions and are provided in a pair of guide holes that are vertically formed on both sides of the hose holder so as to be raised and lowered; And an elastic member that urges the auxiliary connecting pipe toward the first position.

  The guide shaft includes a head in contact with the cover and a body extending from the head. The guide shaft may be configured such that the second inclined protrusion is integrally formed with the body.

  The elastic member may be composed of a pair of compression coil springs provided on opposite sides of the first inclined protrusion of the guide member.

  In addition, a large number of locking members having locking holes are arranged at regular intervals on the inner peripheral surface of the air suction port, and a large number of locking members locked in the locking holes on the outer peripheral surface of the hose connection pipe. It is desirable that a claw is disposed and the hose connection pipe is separably coupled to the air suction port.

  And the hose coupling device of the vacuum cleaner according to the present invention is provided around the first gasket and the communication hole of the dust box interposed at the coupling portion of the air suction port of the hose coupling pipe in order to prevent the inflow air from being lost. It is desirable to include a second gasket provided.

  On the other hand, a wet-dry vacuum cleaner for achieving the object of the present invention includes a vacuum generator for generating a suction force, a dust collector having the air inlet and a discharge port provided on the lower side of the vacuum generator. A vacuum cleaner main body provided with a chamber, a dust box having a communication hole that is detachably mounted in a dust collection chamber of the vacuum cleaner main body and communicated with the air suction port, and a pivot opening and closing at an upper portion of the vacuum cleaner main body A cover provided freely, connected to the cleaner body by a suction hose, including a suction brush that moves along a surface to be cleaned, and a hose coupling device that connects the suction hose to a suction port of the cleaner body, The hose coupling device is in close contact with the outer peripheral surface of the dust box when the cover is closed in conjunction with the opening and closing operation of the cover, and at a certain interval so as not to interfere with the dust box when the cover is open. Characterized in that it is.

  The hose coupling device includes a hose holder provided in the cleaner body, a hose coupling pipe coupled to the hose holder and coupled to the suction hose at an end, and between the hose holder and the dust box. An auxiliary connecting pipe that is movable to a first position that is a position spaced apart from the outer peripheral surface of the dust box at a constant interval and a second position that is a position closely attached to the outer peripheral surface of the dust box, and the auxiliary connecting pipe is moved to the first position. And an actuating unit that moves to the second position.

  The actuating unit is provided on both sides of the auxiliary connecting pipe and has a pair of guide members each having a first inclined protrusion having a predetermined inclined surface, and an inclination corresponding to the inclined surface of the first inclined protrusion. A pair of second inclined protrusions having a surface, and a pair of guide shafts that support the second inclined protrusions and are provided in a pair of guide holes that are vertically formed on both sides of the hose holder so as to be raised and lowered; And an elastic member that urges the auxiliary connecting pipe toward the first position.

  According to the present invention as described above, when the cover of the vacuum cleaner is opened, the auxiliary connecting pipe is moved and spaced apart from the outer peripheral surface of the dust box at a constant interval, so that the dust box can be cleaned without separating the hose connecting pipe. Can be removed from the machine.

  That is, since it is not necessary to separate the hose connecting pipe in order to take out the dust box from the cleaner body, the usability of the cleaner can be improved.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 2 is an exploded perspective view showing the hose coupling device 100 of the vacuum cleaner according to the present invention. FIGS. 3, 4A, and 4B are views for explaining the operation of the hose coupling device 100. FIG. is there. As shown in FIG. 2, the hose coupling device 100 of the vacuum cleaner according to the present invention includes a hose holder 110, a hose coupling pipe 120, an auxiliary coupling pipe 130, and an operation unit 140.

  As shown in FIGS. 2 to 4A and 4B, the hose holder 110 is built in the upper part of the cleaner body 200. The hose holder 110 has the same radius of curvature as the cleaner body 200, and an air suction port 111 is formed at a substantially central portion thereof. A large number of locking members 112 having locking holes 112a are arranged on the inner peripheral surface of the air suction port 111 at regular intervals. Further, a pair of guide holes 113 and 113 ′ are formed on both sides of the air suction port 111 of the hose holder 110. The locking member 112 and the guide holes 113 and 113 ′ will be described later.

  The hose connecting pipe 120 is coupled to the air suction port 111 of the hose holder 110, and a suction hose (not shown) is coupled to the end thereof. The suction hose constitutes a suction flow path between the suction brush and the cleaner main body 200 by being connected to a suction brush that moves along the surface to be cleaned. A large number of locking claws 122 are formed on the outer peripheral surface of the hose connecting pipe 120 to be locked in the locking holes 112 a of the locking member 112 formed on the inner peripheral surface of the air suction port 111. Accordingly, the hose connecting pipe 120 is detachably coupled to the air suction port 111 by the structure of the locking member 112 and the locking claw 122. In addition, a first gasket 150 is interposed between the hose connecting pipe 120 and the air suction port 111 to prevent the inflow air from being lost.

  The auxiliary connecting pipe 130 is provided between the hose holder 110 and the outer peripheral surface of the dust box 300 so as to be movable to the first position and the second position. A communication hole 310 communicating with the air suction port 111 is formed on one side of the dust box 300, and the auxiliary connection pipe 130 has a large diameter portion 131 having a larger diameter than the air suction port 111 and a small diameter portion having substantially the same diameter as the communication hole 310. 132. An annular groove 115 having a predetermined depth is formed around the air suction port 111 of the hose holder 110 so that the auxiliary connecting pipe 130 can be moved to the first and second positions.

  Here, the first position is a state in which the auxiliary connecting pipe 130 is moved to the air suction port 111 side of the hose holder 110 (see FIG. 3), and the second position is the connecting hole 310 of the dust box 300 in which the auxiliary connecting pipe 130 is moved. It is the state moved to the side (see FIG. 5).

  The operation unit 140 moves the auxiliary connecting pipe 130 to the first position and the second position. In particular, the operating unit 140 moves the auxiliary connecting pipe 130 to the first position and the second position while operating in conjunction with the opening / closing operation of the cover 400 that is provided on the upper portion of the cleaner body 200 according to the present invention. . More specifically, when the cover 400 is closed, the operation unit 140 moves the auxiliary connecting pipe 130 to the second position, that is, the position where the small diameter portion 132 is in close contact with the periphery of the communication hole 310 of the dust box 300 as shown in FIG. When the cover 400 is opened, the auxiliary connecting pipe 130 is moved to the first position, that is, the position where the large diameter portion 131 is moved to the air inlet 111 side as shown in FIG. In the first position, the auxiliary connecting pipe 130 is separated from the outer peripheral surface of the dust box 300 by a certain distance, so that the dust box 300 can be attached and detached even when the hose connecting pipe 120 is not separated.

  As shown in FIGS. 6A to 6B, the operation unit 140 as described above includes a pair of guide members 142 and 142 ′ and a second inclined protrusion 143 each having a first inclined protrusion 141 having a predetermined inclined surface. , 143 ′, guide shafts 144, 144 ′, and elastic members 145, 145 ′.

  The pair of guide members 142 and 142 ′ are integrally formed on both sides of the auxiliary connecting pipe 130, a first inclined protrusion 141 is formed at the substantially central portion, and a guide piece 142a is formed at the end.

  The second inclined protrusions 143 and 143 ′ have inclined surfaces corresponding to the inclined surfaces of the first inclined protrusions 141, and are provided on the guide shafts 144 and 144 ′ so that these inclined surfaces come into contact with each other. On the other hand, in the illustrated example, the second inclined protrusions 143 and 143 ′ are configured to be formed and assembled separately from the guide shafts 144 and 144 ′, but the second inclined protrusions 143 and 143 ′ The guide shafts 144 and 144 ′ can be integrally formed.

  The guide shafts 144 and 144 ′ are provided in a pair of guide holes 113 and 113 ′ formed on both sides of the hose holder 110 so as to be movable up and down. The guide shafts 144 and 144 ′ include a head portion 144a and a body portion 144b extending downward from the head portion 144a.

  The elastic members 145 and 145 ′ are composed of compression coil springs, one end of which is supported by a spring fixing protrusion 146 (see FIG. 4A) formed on the opposite surface of the formation portion of the first inclined protrusion 141 of the hose holder 110, and the other end. Is supported by the inner wall of the cleaner body and biases the auxiliary connecting pipe 130 toward the first position.

  3, 4 </ b> A, and 4 </ b> B, reference numeral 160 denotes a second gasket provided around the communication hole 310 of the dust box 300 in order to prevent the inflowing air from being lost.

  Hereinafter, with reference to FIG. 3 thru | or FIG. 6B, the effect | action of the wet-dry type vacuum cleaner and the hose coupling device by which the hose coupling device which concerns on this invention was employ | adopted is demonstrated.

  FIG. 3 is a view showing a cover open state of a wet-dry vacuum cleaner in which the hose coupling device according to the present invention is employed.

  As shown in FIG. 3, a pair of guide shafts 144, 144 ′ provided on the hose holder 110 so as to be movable up and down protrudes upward, and the auxiliary connecting pipe 130 has a large diameter portion 131 in the groove 115 of the hose holder 110. Has been moved to the first position. Therefore, the small-diameter portion 132 of the auxiliary connecting pipe 130 and the outer peripheral wall of the dust box 300 are spaced apart by a certain distance.

  As shown in FIGS. 4A and 4B, the operation of the hose coupling device is such that the auxiliary coupling pipe 130 is pushed to the left in the drawing by the elasticity of the elastic member 145 provided at the rear thereof, and thus the first inclined protrusion The guide shaft 144 is moved upward by the inclined surfaces of the portion 141 and the second inclined protrusion 143.

  When the cover 400 is opened as shown in FIG. 7 by the action of the hose connecting device as described above, the auxiliary connecting pipe 130 and the dust box 300 do not interfere with each other. Can be taken from 200.

  On the other hand, if the dust accumulated in the dust box 300 is discarded and the cover 400 is closed after the dust box 300 is mounted on the cleaner body 200, the guide shaft 144 is lowered by the cover 400 as shown in FIGS. Accordingly, the small diameter portion 132 of the auxiliary connecting pipe 130 is moved to the second position where the auxiliary connecting pipe 130 is in close contact with the communication hole 310 of the dust box 300 while the auxiliary connecting pipe 130 is pushed to the right side in the drawing.

  That is, when the guide shaft 144 descends, the auxiliary connecting pipe 130 moves to the right in the figure while resisting the elasticity of the elastic member 145 by the inclined surfaces of the second inclined protrusion 143 and the first inclined protrusion 141.

  When the cover 400 is opened again, the external force holding the guide shaft 144 is removed, so that the auxiliary connecting pipe 130 is moved to the first position as shown in FIG.

  While the invention has been shown and described in terms of a preferred embodiment for illustrating the principles of the invention, the invention is not limited to the exact construction and operation as shown and described. Rather, those skilled in the art will appreciate that numerous changes and modifications may be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should also be considered within the scope of the present invention.

  INDUSTRIAL APPLICABILITY The present invention is used for improving the usability of a cleaner including a vacuum cleaner having a dust box separated from a main body and various dust collectors.

It is the figure which showed roughly the hose coupling device of the general wet-dry type vacuum cleaner. It is the disassembled perspective view which extracted and showed the hose coupling device of the cleaner by one Example of this invention. It is the figure which showed roughly the cover open state of the wet-dry type vacuum cleaner with which the hose coupling device shown in FIG. 2 was employ | adopted. It is the figure which showed the effect | action of the hose coupling device in the cover open state shown in FIG. It is the figure which showed the effect | action of the hose coupling device in the cover open state shown in FIG. It is the figure which showed roughly the cover closed state of the wet-dry type vacuum cleaner by which the hose coupling device shown in FIG. 2 was employ | adopted. It is the figure which showed the effect | action of the hose coupling device in the cover closed state shown in FIG. It is the figure which showed the effect | action of the hose coupling device in the cover closed state shown in FIG. It is the figure which showed taking out a dust box from a cleaner main body in the cover open state of the wet-dry type vacuum cleaner shown in FIG.

Explanation of symbols

100 Hose connection device 110 Hose holder 111 Air inlet 112 Locking member 112a Locking hole 113 Guide hole 115 Groove 120 Hose connection pipe 122 Locking claw 130 Auxiliary connection pipe 131 Large diameter part 132 Small diameter part 140 Actuating units 141 and 143 1st and 2nd inclination protrusion part 142 Guide member 142a Guide piece 144 Guide shaft 144a Head part 144b Body part 145 Elastic member 150,160 1st and 2nd gasket 200 Vacuum cleaner main body 300 Dust box 310 Communication hole 400 Cover

Claims (14)

A vacuum cleaner hose coupling device comprising a vacuum cleaner body, a dust box detachably attached to the vacuum cleaner body, and a hose that forms a suction flow path between the dust box and the suction brush,
A hose holder provided in the vacuum cleaner body;
A hose connecting pipe coupled to the hose holder and connected to a suction hose at the end;
An auxiliary connecting pipe movably provided in first and second positions between the hose holder and the outer peripheral surface of the dust box;
An operating unit for moving the auxiliary connecting pipe to the first position and the second position;
The first position is a position where the auxiliary connecting pipe is spaced apart from the outer peripheral surface of the dust box at a constant interval, and the second position is a position where the auxiliary connecting pipe is in close contact with the outer peripheral surface of the dust box. Vacuum cleaner hose coupling device.   The said cleaner unit contains the cover provided so that rotation opening and closing is possible, The said operation unit moves the said auxiliary | assistant connection pipe | tube to a 1st position and a 2nd position in response to the opening / closing operation | movement of the said cover. Item 11. A hose coupling device for a vacuum cleaner according to Item 1. The operating unit is:
A pair of guide members provided on both sides of the auxiliary connecting pipe, each formed with a first inclined protrusion having a predetermined inclined surface;
A pair of second inclined protrusions having inclined surfaces corresponding to the inclined surfaces of the first inclined protrusions;
A pair of guide shafts that support the second inclined protrusion and are provided so as to be movable up and down in a pair of guide holes that are vertically formed on both sides of the hose holder;
An elastic member for urging the auxiliary connecting pipe toward the first position;
3. The hose coupling device for a vacuum cleaner according to claim 2, wherein the pair of guide shafts moves up and down in conjunction with the opening and closing operation of the cover.   The said guide shaft is provided with the head part which contacts the said cover, and the trunk | drum extended from this head, respectively, The said 2nd inclination protrusion part is integrally formed in the said trunk | drum. The hose coupling device of the vacuum cleaner as described.   The said elastic member is comprised with a pair of compression coil spring provided in the other side of the 1st inclination protrusion part of the said guide member, The hose coupling device of the vacuum cleaner of Claim 3 characterized by the above-mentioned.   A number of locking members having locking holes are arranged at regular intervals on the inner peripheral surface of the air suction port, and a number of locking claws locked in the locking holes are provided on the outer peripheral surface of the hose connecting pipe. The hose connection device for a vacuum cleaner according to claim 1, wherein the hose connection pipe is detachably coupled to the air suction port.   And a second gasket provided around a communication hole of the dust box. The first gasket is interposed at a coupling portion of the air suction port of the hose connection pipe to prevent the inflow air from being lost. The hose coupling device for a vacuum cleaner according to 1. A vacuum generator for generating suction force;
A vacuum cleaner body provided with a dust collecting chamber having an air suction port and a discharge port, the vacuum generator is provided on the lower side;
A dust box detachably mounted in a dust collection chamber of the main body of the vacuum cleaner, and having a communication hole communicating with the air suction port;
A cover provided at the top of the vacuum cleaner main body so as to be freely pivotable;
A suction brush connected to the cleaner body by a suction hose and moving along the surface to be cleaned;
A hose coupling device for coupling the suction hose to the suction port of the cleaner body,
The hose coupling device is in close contact with the outer peripheral surface of the dust box when the cover is closed in conjunction with the opening and closing operation of the cover, and is easily separated from the dust box by a predetermined distance so as not to interfere with the dust box when the cover is open. A wet-dry vacuum cleaner characterized by being able to be removed. The hose coupling device is
A hose holder provided in the vacuum cleaner body;
A hose connection pipe coupled to the hose holder and connected to the suction hose at the end;
An auxiliary connecting pipe movable between a first position spaced from the outer peripheral surface of the dust box at a constant interval between the hose holder and the dust box and a second position closely contacting the outer peripheral surface of the dust box;
The wet-dry vacuum cleaner according to claim 8, further comprising an operation unit that moves the auxiliary connecting pipe to the first position and the second position. The operating unit is:
A pair of guide members provided on both sides of the auxiliary connecting pipe, each having a first inclined protrusion having a predetermined inclined surface; and
A pair of second inclined protrusions having inclined surfaces corresponding to the inclined surfaces of the first inclined protrusions;
A pair of guide shafts that support the second inclined protrusion and are provided so as to be able to move up and down in a pair of guide holes that are vertically formed on both sides of the hose holder;
An elastic member for biasing the auxiliary connecting pipe to the first position;
The wet-dry vacuum cleaner according to claim 9, wherein the pair of guide shafts move up and down in conjunction with opening and closing operations of the cover.   11. The guide shaft according to claim 10, wherein the guide shaft includes a head portion that contacts the cover and a body portion that extends from the head portion, and the second inclined protrusion portion is integrally formed on the body portion. The wet-dry vacuum cleaner described.   The wet-dry vacuum cleaner according to claim 10, wherein the elastic member includes a pair of compression coil springs provided on opposite sides of the first inclined protrusion of the guide member.   A number of locking members having locking holes are arranged at regular intervals on the inner peripheral surface of the air suction port, and a number of locking claws locked on the locking holes on the outer peripheral surface of the hose connecting pipe. The wet-dry vacuum cleaner according to claim 8, wherein the hose connecting pipe is detachably coupled to the air suction port.   And a second gasket provided around the communication hole of the dust box to prevent the inflowing air from being lost. 8. The wet-dry vacuum cleaner according to 8.

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