KR100767121B1 - Up-right type vacuum cleaner - Google Patents

Abstract

An up-right type vacuum cleaner is provided to support a vacuum cleaner body by mounting at least three support units to the bottom of the vacuum cleaner body when a vacuum cleaner body is separated from a frame. An up-right type vacuum cleaner comprises a nozzle assembly, a frame a vacuum cleaner body, and at least three support units(91a~91d). The nozzle assembly sucks pollutants on the floor. The frame is mounted to the nozzle assembly rotatably. The vacuum cleaner body is mounted to the frame and provided with a vacuumizing source and a dust collecting unit for separating pollutants sucked by the nozzle assembly. The support units are mounted to the bottom of the vacuum cleaner body to support the vacuum cleaner body on the floor stably when the vacuum cleaner body is separated from the frame and placed on the floor. The support unit comprises a support unit body, and an elastic member. The support unit body is inserted into a first groove formed on the bottom of the vacuum cleaner body. The elastic member is interposed between the support unit body and the support member. The support members slide on the vacuum cleaner body as being installed to the bottom of the support unit body.

Description

Upright vacuum cleaner {up-right type vacuum cleaner}

1 is a perspective view showing an upright vacuum cleaner according to an embodiment of the present invention,

FIG. 2 is a view showing the bottom surface of the vacuum cleaner main body which shows the case where the vacuum cleaner main body of FIG. 1 is lifted and the load of the vacuum cleaner main body is not applied to the support unit,

3 is a view showing a case in which the load of the vacuum cleaner main body is applied to the support unit when the vacuum cleaner main body of FIG. 1 is placed on the surface to be cleaned,

4 is a view showing the bottom surface of the vacuum cleaner main body showing the case where the load of the vacuum cleaner body is applied to the support unit when the vacuum cleaner main body of FIG. 1 is placed on the surface to be cleaned,

5 is a perspective view showing a support unit of an upright cleaner according to an embodiment of the present invention;

6 is a view showing a state of the support unit showing the case where the load of the vacuum cleaner main body is applied to the support unit,

7 is a view showing a state of the support unit showing a case where the load of the vacuum cleaner main body is not applied to the support unit,

8 is a view showing the rear of the vacuum cleaner main body,

9 is a perspective view before the vacuum cleaner body and the support unit are combined.

* Description of the reference numerals for the main parts of the drawings *

90 ... support unit 91a, 91b, 91c, 91d ... support member

92 Leg member 93 External cylinder

93a ... second inclined portion 93b ... second inverted portion

94 ... inner tube 94a ... protrusion

94b ... incision 95 ... elastic member

97a ... inclined groove 97 ... 2nd support unit body

98a ... first inclined portion 98 ... first support unit body

98b ... 1st vertical part 99 ... Support unit body

100 ... vacuum cleaner body 140 ... brush assembly

150 ... frame 165 ... communication member

167 Flexible hose 169 Hose support

The present invention relates to an upright type vacuum cleaner, and more particularly, to an upright type vacuum cleaner that can easily support a vacuum cleaner main body when the vacuum cleaner main body is separated from a frame supporting the vacuum cleaner main body.

In general, upright type vacuum cleaners inhale dust and other dirt together with air from the outside by suction power generated inside the vacuum cleaner main body to perform cleaning of a large surface to be cleaned such as floors or carpets. To this end, an upright type vacuum cleaner includes a brush assembly for sucking dirt on the surface to be cleaned, and a frame is rotatably installed on the brush assembly, and a vacuum cleaner body is detachably installed on a seating portion formed in the frame. At this time, the vacuum cleaner main body is provided with a vacuum motor and a dust collector, so that even when the vacuum cleaner main body is separated from the frame, it is possible to perform the cleaning operation only with the vacuum cleaner main body.

However, such a conventional upright type vacuum cleaner, when the vacuum cleaner main body is placed on the surface to be cleaned so that the vacuum cleaner main body is removed from the frame to perform a cleaning operation, the support area of the bottom surface of the vacuum cleaner main body supporting the surface to be cleaned is vacuum cleaner. Since the body is very narrow compared to the height of the main body, the vacuum cleaner main body easily loses its center and falls down. In particular, when pulling the flexible hose formed in the vacuum cleaner body to perform the cleaning operation, there was a disadvantage that the vacuum cleaner body falls more easily.

The present invention has been made to solve the conventional problems as described above, and an object thereof is to provide an upright vacuum cleaner which is stably seated on the surface to be cleaned so that the vacuum cleaner body does not easily fall.

In order to achieve the above object, an upright type vacuum cleaner includes a nozzle assembly for sucking dirt on a surface to be cleaned, a frame rotatably installed on the nozzle assembly, mounted on the frame, and introduced into the nozzle assembly. An upright vacuum cleaner having a vacuum source and a vacuum cleaner body having a built-in dust collector so as to separate the vacuum cleaner, wherein the vacuum cleaner main body of the vacuum cleaner body corresponding to the bottom surface when the vacuum cleaner body is separated from the frame and seated on the bottom surface thereof. At least three support units are installed in the lower part of the vacuum cleaner main body so that the bottom surface thereof is extended so that the vacuum cleaner main body can be stably supported on the bottom surface.

In addition, the support unit is installed on the bottom surface of the vacuum cleaner, it is installed so that the contact area in contact with the bottom surface by the load of the vacuum cleaner main body.

In addition, the support unit is provided with a flight-shaped support member, the support member is preferably rotated in the horizontal direction by the vacuum cleaner body load.

In addition, each of the support unit, the support unit body is inserted into the first groove formed in the lower surface of the vacuum cleaner body fixedly installed; It further comprises an elastic member provided between the support unit body and the support member, wherein the support member is preferably installed in the lower portion of the support unit body so as to slide inclined with respect to the support unit body.

The support unit body may include: a cylindrical first support unit body fixedly installed on a lower surface of the vacuum cleaner body and having a first inclined portion and a first vertical portion formed at a lower side thereof; And a tubular second support unit body fixedly installed on a lower surface of the vacuum cleaner body, having a first support unit body inserted therein, and having a pair of inclined grooves formed therethrough so as to pass through the outer circumferential surface thereof. A leg member for expanding an area of the vacuum cleaner main body in contact with the surface to be cleaned; It is fixed to one side of the leg member, the second vertical portion of the shape corresponding to the first vertical portion and the second inclined portion of the shape corresponding to the first inclined portion is formed on the first support unit body Slidable outer cylinder relative to; It is preferable to include; an inner cylinder is inserted into the inner circumferential surface of the second support unit body, the inner cylinder having a pair of protrusions which are inserted into the inclined groove and protrude from the outer circumferential surface so as to slide along the inclined groove.

The first support unit body and the second support unit body may be integrally formed and fixed to a first groove formed on the bottom surface of the vacuum cleaner body.

In addition, the outer circumferential surface of the inner cylinder is preferably formed with a pair of incisions in which the upper portion is cut off on the left and right side with respect to the protrusion.

Further, by lowering the vacuum cleaner main body on the surface to be cleaned, the second vertical portion is caused to rotate in the direction in which the leg member rotates so that the area of the vacuum cleaner main body in contact with the surface to be cleaned is expanded by the self-load of the vacuum cleaner body. It is preferable that the first vertical portion is in contact with the second vertical portion by obliquely sliding along the first vertical portion.

In addition, when the vacuum cleaner main body is lifted from the cleaning surface and removed from the load applied to the vacuum cleaner main body to the support unit, the second vertical portion is brought into contact with the surface to be cleaned by the tension force of the elastic member. Inclined sliding along the first vertical portion in the direction in which the leg member is rotated so as to reduce the area, and the projection is caught at one end of the inclined groove, thereby mutual tilting sliding between the first vertical portion and the second vertical portion It is desirable to be limited.

In addition, the inclination degree of the first inclined portion and the second inclined portion is a rotational force generated while the mutual inclined sliding of the first inclined portion and the second inclined portion by the load of the vacuum cleaner main body, the leg member and the surface to be cleaned. It is preferable that it is the inclination so that it may become larger than the frictional force which abuts.

In addition, when the vacuum cleaner body is mounted to the frame, the brush assembly to which the vacuum cleaner body is mounted has a groove-shaped seating portion to prevent the leg member from being rotated and unfolded by the load of the vacuum cleaner body. It is preferably formed.

Hereinafter, the upright type vacuum cleaner according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.

The upright type vacuum cleaner according to the present embodiment includes a brush assembly 140, a vacuum cleaner main body 100, and a frame 150, and the lower surface of the vacuum cleaner main body 100 is connected to the vacuum cleaner main body 100 from the frame 150. When used separately, the support units (90a, 90b, 90c, 90d) are installed so that the vacuum cleaner main body 100 can stand on the surface to be cleaned.

Brush assembly 140 has a suction opening (not shown) is formed on the bottom surface to suck the outside air including dust or dirt on the surface to be cleaned, the seating portion 142 on which the vacuum cleaner body 100 is seated on the upper side Is formed.

The vacuum cleaner main body 100 includes a cyclone dust collector 101 for centrifuging air including suctioned dust and a removable dirt container 102 for collecting the separated dirt, and a suction motor (not shown). ) Generates suction power. 8, a communication member 165 communicating with the brush assembly 140 is formed at the rear lower part of the vacuum cleaner main body 100, and a communication member 165 is provided at the rear side of the vacuum cleaner main body 100. A flexible hose 167 to be connected is installed, and a hose support part 169 supporting the flexible hose 167 is installed at the rear upper portion of the vacuum cleaner main body 100.

The frame 150 is installed to be rotatable with the brush assembly 140, and the vacuum cleaner body 100 is detachably installed inside the frame 150.

By such a configuration, the vacuum cleaner main body 100 according to the present embodiment communicates a flexible hose 167 connected to the rear of the vacuum cleaner main body 100 by a user even when separated from the frame 150. It is possible to clean the surface to be cleaned or the quilt by connecting a general vacuum cleaner auxiliary brush or accessories to one end of the flexible hose (167).

On the other hand, when the vacuum cleaner main body 100 is placed on the surface to be cleaned to separate the vacuum cleaner main body 100 by the frame 150, the support area is very narrow compared to the height of the vacuum cleaner main body 100. Accordingly, the center of gravity is located on the upper side of the vacuum cleaner body 100 so that the vacuum cleaner body 100 can be easily knocked over even by a weak external force. In order to overcome this point, the upright type vacuum cleaner 200 according to the present embodiment supports the vacuum cleaner body 100 in contact with the surface to be cleaned when the vacuum cleaner body 100 is used separately from the frame 150. In order to expand the support area for the support, the support unit 90 is installed at each of four corners 180 of the bottom surface of the vacuum cleaner main body 100.

Since the supporting units 90a, 90b, 90c, and 90d according to the present embodiment have the same structure, only one of them 90a will be described.

5, the support unit 90a according to the present exemplary embodiment includes a support unit body 99, a support member 91a, and an elastic member 95.

The support unit body 99 is inserted into and fixed to the cylindrical first groove 190 (see FIG. 9) formed at the corner portion 180 of the lower surface of the vacuum cleaner main body 100. And a second support unit body 97.

The first support unit body 98 is formed in a cylindrical shape and has a diameter substantially the same as the diameter of the first groove 190 (see FIG. 9). Accordingly, the first support unit body 98 is pressed into the first groove 190 and fixed. At this time, in order to secure the fixed state of the first groove 190 and the first support unit body 98, the outer circumferential surface and the upper surface of the first support unit body 98 are bonded to the first groove 190 by using an adhesive. Can be. In addition, the lower surface of the cylinder of the cylindrical first support unit body 98 is formed of a pair of first inclined portion 98a which is formed to be inclined and vertically formed in the direction of gravity in the raised portion of the first inclined portion 98a One vertical portion 98b is formed.

The second support unit body 97 is formed in a cylindrical shape having a smaller diameter than the first support unit body 98, and the second support unit body 97 is inserted into and fixed to the first support unit body 98. In this case, the first support unit body 98 and the second support unit body 97 may be integrally formed. Further, a pair of inclined grooves 97a are formed on the lower outer peripheral surface of the second support unit body 97 in the same direction as the first inclined portion 98a and penetrated along the outer peripheral surface.

The support member 91a is installed at the lower portion of the support unit body 99 so as to be able to slide inclined with respect to the support unit body 99. For this purpose, the support member 91a is a leg member 92, an outer cylinder 93, an inner cylinder. (94).

Leg member 92 is made of a rectangular plate member to extend the support area in which the vacuum cleaner body 100 is supported on the surface to be cleaned.

The outer cylinder 93 is formed in a tubular shape protruding from one side of the leg member 92, the diameter of which is the same as the first support unit body 98. On the upper surface of the outer cylinder 93, a second inclined portion 93a and a second vertical portion 93b are formed in a shape corresponding to the first inclined portion 98a and the first vertical portion 98b. In addition, the outer cylinder 93 is rotatably inserted in the outer circumferential surface of the first groove 190 (see Fig. 9).

The inner cylinder 94 is formed in a cylindrical shape in the outer cylinder 93, and has a diameter that can be inserted into the inner peripheral surface of the second support unit body 97. On the upper side of the inner cylinder 94, a pair of protrusions 94a protruding from the outer circumferential surface are formed. When the protrusion part inserts the inner cylinder 94 into the inner circumferential surface of the second support unit body 97, the protrusion part 94a is inserted into the inclined groove 97a so that the protrusion part 94a is moved along the inclined groove 97a. . In addition, the inner cylinder 94 has a cutout portion 94b formed by vertically cutting an upper portion of the inner cylinder 94 on the left and right sides of the protrusion 94a. This is to facilitate the coupling of the inner cylinder 94 and the second support unit body 97.

The elastic member 95 is installed between the support unit body 99 and the support member 91a to provide an elastic force. The elastic member 95 is inserted into the inner cylinder 94 so that the elastic member 95 One side is fixed to the bottom surface of the inner cylinder 94 and the other side is fixed to the bottom surface of the first groove (190). In this embodiment, the elastic member 95 is a coil spring is used.

As described above, the support member 91a and the support unit body 99 are inserted into the inclined groove 97a so that the protrusion 94a moves along the inclined groove 97a, and at the same time, The inclined portion 98a and the second inclined portion 93a are slidably inclined with each other to move while being in contact with the support member 91a and the support unit body 99.

Meanwhile, in the present embodiment, as shown in FIG. 2, one support unit 90a of the four support units 90 has been described, but the remaining support units 90b, 90c, and 90d have the same structure as the support unit 90a. to be. However, since the direction in which the support member 91a and the support member 91c rotate and the direction in which the support member 91b and the support member 91d rotate are different, the support member 91a and the support member 91c are different. The inclined structures of the first inclined portion 98a, the second inclined portion 93a, and the inclined groove 97a of the installed support units 90a and 90c are provided with the support unit 90b provided with the support member 91b and the support member 91d. , 90d) shall be formed opposite to each other.

Hereinafter, an operation of an upright vacuum cleaner according to an embodiment of the present invention will be described with reference to FIGS. 1 to 7.

2 and 7, when the user lifts the vacuum cleaner body 100 into the frame 150 by separating the vacuum cleaner body 100 from the frame 150, the support members 91a, 91b, 91c, 91d) is in a folded state so as to be concealed on the lower surface of the vacuum cleaner main body 100. In this case, in the state in which the load of the vacuum cleaner main body 100 is not applied to the support units 90a, 90b, 90c, and 90d, the elastic member 95 acts as an elastic force to tension, thereby supporting the support unit body 99 and the support unit body 99. The members 91a are about to be spaced apart from each other. As shown in FIG. 7, the second inclined portion 93a is inclined sliding along the first inclined portion 98a in a direction in which the first vertical portion 98b and the second vertical portion 93b are separated by the force to be spaced apart. As a result, the support members 91a, 91b, 91c, and 91d rotate with respect to the support unit body 99, and at the same time, the protrusion 94a slides along the inclined groove 97a. At this time, the support member (91a, 91b, 91c, 91d) the projection 94a is caught by one end of the inclined groove (97a), the amount of rotation is limited, the state as shown in Figure 7 as shown in FIG. The member 92 is in a state hidden by the lower surface of the vacuum cleaner main body 100.

3, 4, and 6, when the user stands on the surface to be cleaned to separate and clean the vacuum cleaner body 100 from the frame 150, the support members 91a, 91b, 91c, and 91d). Is rotated to radially unfold with respect to the vacuum cleaner main body 100, so that the support area that the vacuum cleaner main body 100 can support the surface to be cleaned is maximized. In this case, the load of the vacuum cleaner main body 100 is applied to the support units 90a, 90b, 90c, and 90d so that the support unit body 99 and the support member 91a are close to each other. As a result, as shown in FIG. 6, the second inclined portion 93a is inclined sliding along the first inclined portion 98a in the direction in which the first vertical portion 98b and the second vertical portion 93b are in contact with each other. The members 91a, 91b, 91c, and 91d rotate with respect to the support unit body 99, and at the same time, the protrusion 94a slides along the inclined groove 97a. At this time, when the first vertical portion 98b and the second vertical portion 93b come into contact with each other, the rotation of the support members 91a, 91b, 91c, 91d and the support unit body 99 is stopped, and the leg member 92 is disposed. As shown in FIG. 4, the supporting region of the vacuum cleaner body 100 supporting the surface to be cleaned is expanded in a radially unfolded state with respect to the bottom surface of the vacuum cleaner body.

On the other hand, the inclination of the first inclined portion 98a, the second inclined portion 93a and the inclined groove 97a is determined by the load of the vacuum cleaner main body 100 and the first inclined portion 98a and the second inclined portion 93a. ), The rotational force generated by the mutual inclined sliding movements should have a value such that the leg member 92 is larger than the frictional force generated by contact with the surface to be cleaned, and thus, the leg member 92 has a vacuum cleaner body with respect to the surface to be cleaned. It rotates and unfolds with respect to the vacuum cleaner main body 100 so as to extend the support area of the 100.

In addition, each of the support units 90a, 90b, 90c, and 90d provided with four support members 91a, 91b, 91c, and 91d, respectively, has a pair of support units 91a, 91c disposed diagonally to each other. Since the inclination directions of the first and second inclined portions 98a and 93a and the inclined groove 97a of the pair of support units 91b and 91c different from each other are formed opposite to each other, as shown in FIG. The support members 91a, 91b, 91c, and 91d have a pair of support members 91a and 91c and a pair of support members 91b and 91c rotated in opposite directions to rotate relative to the vacuum cleaner main body.

In addition, when the lower surface of the vacuum cleaner main body 100 is placed on the seating portion 142 of the brush assembly 140 to seat the vacuum cleaner main body 100 on the frame 150, the weight of the vacuum cleaner main body 100 is increased. By the force generated by the leg member 92, but the seating portion of the present embodiment is formed in a groove shape corresponding to the lower surface of the vacuum cleaner body 100, the leg member to be unfolded with respect to the vacuum cleaner body 100 ( 92) to interfere. Accordingly, even if the vacuum cleaner 100 is mounted on the frame 150, the leg member 92 is not extended.

As described above, according to the present invention, when the cleaning operation is performed while the vacuum cleaner main body is removed from the frame and placed on the floor, the support unit for supporting the vacuum cleaner main body against the floor is provided by the support unit. By expanding, there is an effect of stably standing the vacuum cleaner body on the floor.

In addition, the upright type vacuum cleaner according to the present invention, by simply lowering the vacuum cleaner body on the floor, the leg member formed on the support unit rotates by the weight of the vacuum cleaner body and automatically expands the support area of the vacuum cleaner body, There is an effect that the user can easily and stably put the vacuum cleaner body on the floor.

While the invention has been shown and described with respect to preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described as such. Rather, those skilled in the art will appreciate that many changes and modifications to the present invention are possible without departing from the spirit and scope of the claimed claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (10)

A nozzle assembly for sucking dirt on the surface to be cleaned, a frame rotatably installed on the nozzle assembly, and a vacuum cleaner equipped with a vacuum source and a dust collecting device mounted on the frame to separate the dirt introduced into the nozzle assembly. In the upright vacuum cleaner having a main body, When the vacuum cleaner body is separated from the frame and seated on the bottom surface, the bottom surface of the vacuum cleaner body corresponding to the bottom surface is extended so that the vacuum cleaner body can be stably supported on the bottom surface of the vacuum cleaner body. Upright type vacuum cleaner, characterized in that at least three support units are installed at the bottom. The method of claim 1, The support unit is installed on the bottom surface of the vacuum cleaner, the upright type vacuum cleaner, characterized in that the contact area which is in contact with the bottom surface by the load of the vacuum cleaner main body is widened The method of claim 2, The support unit has a plate-shaped support member, The support member is an upright type vacuum cleaner, characterized in that rotated in the horizontal direction by the vacuum cleaner body load. The method of claim 3, wherein Each of the support units, A support unit body inserted into and fixed to a first groove formed on a bottom surface of the vacuum cleaner main body; And an elastic member installed between the support unit body and the support member. The support member is an upright type vacuum cleaner, characterized in that installed in the lower portion of the support unit body so as to slide inclined with respect to the support unit body. The method of claim 4, wherein The support unit body, A cylindrical first support unit body fixedly installed on a lower surface of the vacuum cleaner body and having a first inclined portion and a first vertical portion formed at a lower side thereof; And a tubular second support unit body fixedly installed on a lower surface of the vacuum cleaner body, the first support unit body being inserted therein, and having a pair of inclined grooves formed therebetween so as to pass through the outer circumferential surface thereof. The support member, Leg member for extending the area in which the vacuum cleaner body in contact with the surface to be cleaned; It is fixed to one side of the leg member, the second vertical portion of the shape corresponding to the first vertical portion and the second inclined portion of the shape corresponding to the first inclined portion is formed on the first support unit body Slidable outer cylinder relative to; An inner cylinder having a pair of protrusions inserted into the inner circumferential surface of the second support unit main body and inserted into the inclined groove and protruding from the outer circumferential surface so as to slide along the inclined groove. vacuum cleaner. The method of claim 5, The first support unit body and the second support unit body is integrally formed, the up-type vacuum cleaner, characterized in that fixed to the first groove formed on the lower surface of the vacuum cleaner body. The method of claim 5, Up-type vacuum cleaner, characterized in that the outer circumferential surface of the inner cylinder is formed with a pair of incisions in which the upper portion is cut off on the left and right side with respect to the protrusion. The method of claim 5, By lowering the vacuum cleaner body on the surface to be cleaned, the second vertical portion is subjected to the first load in the direction in which the leg member rotates so that the area in which the vacuum cleaner body is in contact with the surface to be cleaned is expanded by the self-load of the vacuum cleaner body. And an inclined sliding along a vertical portion such that the first vertical portion is in contact with the second vertical portion. The method of claim 5, When the vacuum cleaner main body is lifted from the surface to be cleaned and removed from the load applied to the vacuum cleaner main body to the support unit, the second vertical portion has an area where the vacuum cleaner main body is in contact with the surface to be cleaned by the tension force of the elastic member. Inclined sliding along the first vertical portion in the direction in which the leg member is rotated so as to be reduced, the projection is caught on one side end of the inclined groove, the mutual inclined sliding of the first vertical portion and the second vertical portion is limited Upright type vacuum cleaner, characterized in that. The method of claim 5, When the vacuum cleaner body is mounted to the frame, the brush assembly to which the vacuum cleaner body is mounted is provided with a groove-shaped seating portion to prevent the leg member from being rotated and unfolded by the load of the vacuum cleaner body. Upright type vacuum cleaner, characterized in that.

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