WO2010016672A2

WO2010016672A2 - Vacuum cleaner

Info

Publication number: WO2010016672A2
Application number: PCT/KR2009/004172
Authority: WO
Inventors: 양병선; 황정배
Original assignee: 엘지전자 주식회사
Priority date: 2008-08-07
Filing date: 2009-07-27
Publication date: 2010-02-11
Also published as: EP2324748A2; WO2010016672A3; EP2324748A4; EP2324748B1

Abstract

One embodiment of the present invention relates to a vacuum cleaner. The vacuum cleaner according to said embodiment of the present invention includes: a main body having an air inlet portion; an inner channel formed in the main body to enable the flow of air introduced from the air inlet portion; a dust separation device coupled to the main body such that the dust separation device is detachable, and which has a dust separation chamber for separating foreign substances from the air flowing through the inner channel; and a channel forming unit interposed between the inner channel and the dust separation chamber, and which has a tilt surface for changing the flow direction of air which has passed through the inner channel. The vacuum cleaner according to said embodiment of the present invention is advantageous in that the same reduces a loss of air flow.

Description

Vacuum cleaner

The present embodiment relates to a vacuum cleaner, and more particularly, to a vacuum cleaner for improving the structure of the vacuum cleaner to improve the suction performance of the vacuum cleaner.

In general, a vacuum cleaner is a device that sucks air containing dust by using a vacuum pressure generated by a suction motor mounted inside the body, and then filters the dust inside the body.

Such a vacuum cleaner should be able to smoothly flow the air sucked from the suction nozzle inside the cleaner body, and the dust may be easily separated from the air including the dust. This is an important criterion for determining the performance of the vacuum cleaner.

On the other hand, the vacuum cleaner is formed with a flow path through which the sucked air is moved. The flow path may be formed in various shapes from an inlet of the cleaner body to an outlet of the suction motor.

The suction and flow performance of the air inside the vacuum cleaner is greatly influenced by whether or not there is a break in the flow path. In detail, the air is preferably flowed in one direction and the flow loss is reduced when the bending is minimized.

However, in the case of the conventional vacuum cleaner, in many cases, a complicated flow path is formed in a limited space of the main body so that the flow direction of air is bent. That is, there has been a problem that the bending of the euro increases.

In this case, there is a problem that the flow loss increases during the movement of the air is not smooth air flow. In addition, there is a problem that the foreign matter is not easily separated from the air because the air flow is not smooth.

On the other hand, the cleaner body is generally provided with a cover member for shielding at least a portion of the body in the state that the dust separation apparatus is coupled. According to the conventional vacuum cleaner, when the dust separation apparatus is shielded by the cover member, the user may not know whether the dust separation apparatus is coupled.

In addition, when the cover member is properly operated, that is, closed when the dust separator is not coupled, the user may have been inconvenient to operate the cleaner even without the dust separator.

In addition, when the user presses the push button for removing the dust collecting container or the push button for opening the vacuum cleaner cover even when the user is lifting the cleaner body using the handle, the dust collecting container is removed as the hook structure connected to the main body is released. There was a problem that the cover is opened.

An object of the present embodiment is to provide a vacuum cleaner for forming a flow path for allowing the air sucked into the main body to easily flow into the dust separation apparatus.

In addition, an object of the present invention is to provide a vacuum cleaner including a flow path rounded so that the bending of the air flow sucked into the cleaner can be minimized.

In addition, an object of the present invention is to provide a vacuum cleaner that simplifies the structure in which the dust separating apparatus is attached to or detached from the main body and makes it easy to know whether the dust separating apparatus is mounted from the outside.

In addition, the cover of the cleaner to be fixed to the dust collecting container, when the cleaner body is lifted to provide a vacuum cleaner that is prevented from opening the cleaner cover.

Vacuum cleaner according to an embodiment of the present invention, the air inlet is formed body; An internal flow path formed in the main body and configured to move air introduced from the air inlet; A dust separation device detachably coupled to the main body, the dust separation device having a dust separation chamber for separating foreign matters from the air flowing through the internal flow path; And a flow path forming portion interposed between the inner flow path and the dust separation chamber and having an inclined surface for changing a flow direction of air passing through the inner flow path.

According to the embodiment of the above configuration, there is an advantage that the flow loss can be reduced by forming a flow path that can minimize the bending of the air flow.

In particular, since the flow path extending from the connection pipe provided inside the cleaner to the inside of the dust collecting unit is rounded, there is an advantage that the air flow can be made smoothly. And, the friction between the air flow and the flow path forming portion is reduced, there is an advantage that noise due to friction can be reduced.

In addition, the cover member can shield the main body and the dust separation device at the same time, there is an advantage that the operation of the cleaner is easy and convenient to use.

In addition, the structure that the dust separation device is detachable to the main body is simple, there is an advantage that the worry that the malfunction of the cleaner can be reduced since it is easy to know whether the dust separation device is mounted. In addition, since the cover member is closed only when the dust separator is coupled to the main body, there is an effect that reliability of the product can be improved.

In addition, the cleaner cover is coupled to the dust collecting container, there is an advantage that the separate disassembly and assembly of the cleaner is not required because a separate fastening part for the removal of the dust collecting container is not required. In addition, since the cover is connected to a plurality of places of the dust collecting container and the main body there is an advantage that the fastening relationship is firm.

In addition, when the cleaner body is lifted up, the opening of the cover may be prevented regardless of the pressing operation of the push button for opening the cover. That is, even if the user presses the push button in a state in which the cleaner body is lifted up, the opening of the cover may be blocked.

Therefore, the cover is opened in the process of moving the cleaner body to prevent the cleaner body from falling down, which has the advantage that more stable movement of the cleaner is possible.

1 is a perspective view of a vacuum cleaner according to a first embodiment of the present invention.

2 is a perspective view of a dust separation device according to a first embodiment of the present invention.

3 is an exploded perspective view of the dust separation apparatus according to the first embodiment of the present invention.

Figure 4 is a bottom perspective view of the dust separation apparatus according to the first embodiment of the present invention.

5 and 6 are perspective views showing the configuration of the flow path forming unit according to an embodiment of the present invention.

FIG. 7 is a cross-sectional view of the air flow, taken along the line II ′ of FIG. 2. FIG.

8 is a cross-sectional view showing air flow according to the first embodiment of the present invention.

9 is a perspective view of a vacuum cleaner showing a state in which the cover member according to the second embodiment of the present invention is opened.

10 is a perspective view of a vacuum cleaner showing a state in which the dust separation apparatus according to the second embodiment of the present invention is separated.

11 is a cross-sectional view of a vacuum cleaner showing a state in which the dust separation apparatus according to the second embodiment of the present invention is coupled.

12 is a cross-sectional view of the vacuum cleaner showing a state in which the dust separation apparatus according to the second embodiment of the present invention is separated.

13 is an exploded perspective view of a cover member according to a third embodiment of the present invention.

14 is a cross-sectional view showing a configuration of a cover member according to a third embodiment of the present invention.

15 is a bottom view of the cover member with the cover base removed in accordance with a third embodiment of the present invention.

16 and 17 are views showing the action of the pressing portion and the cover member according to the third embodiment of the present invention.

18 is a cross-sectional view showing the configuration of a dust separation apparatus according to a fourth embodiment of the present invention.

19 is a view showing a configuration of a fixing unit according to the fourth embodiment of the present invention.

20 is a cross-sectional view showing a coupling relationship between a cover member and a fixing unit according to a fourth embodiment of the present invention.

21 is a view showing a coupling relationship between the cover member and the fixing unit in a state where the cleaner body according to the fourth embodiment of the present invention is placed on the bottom surface.

22 is a view showing a coupling relationship between a cover member and a fixing unit in a state in which the cleaner body according to the fourth embodiment of the present invention is lifted up;

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention can easily suggest other embodiments within the scope of the same idea.

Referring to FIG. 1, a vacuum cleaner 1 according to an embodiment of the present invention includes a main body 10 forming an appearance, a dust separation device 100 provided detachably to the main body 10, and the A cover member 20 rotatably coupled to the main body 10 and a moving wheel 30 to facilitate the movement of the main body 10 or the vacuum cleaner 1 are included.

On the front of the main body 10, an air inlet 12 is connected to the suction nozzle (not shown). Although not shown in the figure, an extension tube and a connection hose are provided between the suction nozzle and the air inlet 12. The air sucked from the suction nozzle passes through the extension pipe and the connection hose and flows into the main body 10 through the air inlet 12. Detailed description thereof will be omitted.

The dust separation apparatus 100 is provided with a handle portion 116 to facilitate the user's grip. Therefore, the user may attach and detach the dust separating apparatus 100 to the main body 10 while holding the handle 116.

On the other hand, the cover member 20 is provided with a cover handle 21 that can be gripped by the user. In addition, the cover handle 21 is provided with a pressing portion 22 for operating to open the cover member 20. The pressing part 22 is connected to the locking structure provided on the main body 10 and the cover member 20, and the user pulls the cover handle 21 while pressing the pressing part 22 to cover the cover. The member 20 can be opened.

2 is a perspective view of the dust separation apparatus according to the first embodiment of the present invention, and FIG. 3 is an exploded perspective view of the dust separation apparatus according to the first embodiment of the present invention.

2 and 3, the dust separation apparatus 100 according to the present embodiment includes a dust separation chamber 150 for separating foreign matter from the air sucked into the main body 10 and the dust separation chamber. Dust collection unit 110 to store the dust separated in the 150, and the lower guide 160 and the upper guide 170 for guiding the dust separation chamber 150 is coupled to the dust collection unit 110 includes do.

In detail, the dust collecting unit 110 is provided with a fixing unit 115 such that the dust collecting unit 110 is engaged with the cover member 20 while the cover member 20 is closed.

The handle part 116 of the dust collecting unit 110 includes a handle main body 117 that forms the body of the handle part 116, and a handle cover 118 that shields one side of the handle main body 117. Included.

On the other hand, the dust separation chamber 150, the air inlet unit 152 provided on one side of the dust separation chamber 150, the air is sucked, and the other side of the dust separation chamber 150 is provided to separate in the air A dust discharge part 154 (see FIG. 7) through which the collected dust is discharged is formed. Here, the air suction part 152 and the dust discharge part 154 may be formed in the tangential direction of the dust separation chamber 154.

The air sucked into the chamber 150 through the air inlet 152 causes a cyclone flow along the inner wall of the chamber 150. In addition, dust may be separated from the air during the cyclone flow.

In addition, an outer guide 155 is provided outside the dust separation chamber 150 to allow the dust separation chamber 150 to be easily coupled to the dust collecting unit 110.

A predetermined groove (not shown) is formed in the outer guide 155. The upper end of the dust collecting unit 110 may be inserted into a groove of the outer guide 155 while the chamber 150 is seated in the dust collecting unit 110.

In addition, one side of the dust separation chamber 150, a side portion 157 is formed to form one side of the chamber 150. The side portion 157 is detachably coupled to the chamber 150. In addition, a filter member 158 is coupled to the side portion 157. The filter member 158 allows dust in the air sucked into the chamber 150 to be filtered.

In addition, a guide member 159 is provided inside the chamber 150 to easily generate cyclone flow. The guide member 159 is coupled to the other side of the chamber 150.

On the other hand, the upper side of the outer guide 155 is provided with a lower guide 160 and the upper guide 170 so that the dust collecting unit 110 is easily coupled to the cover member 20. The lower guide 160 covers the upper side of the outer guide 155, and the upper guide 170 covers the upper side of the lower guide 160.

The lower guide 160 is provided with a lower locking hole 161 through which the fixing unit 115 penetrates. In addition, a first locking portion 171 is formed at a position corresponding to the lower locking hole 161 in the upper guide 170. The fixing unit 115 extends upward in a state of being coupled to the dust collecting unit 110 and is disposed to penetrate the lower locking hole 161 and the first locking portion 171.

In addition, the upper guide 170 is provided with a second locking portion 172 provided at a position different from the first locking portion 171 and engaging with the cover member 20. A plurality of second locking portions 172 may be provided on both sides of the upper guide 170. Meanwhile, the locking

parts

171 and 172 may be provided in the shape of a hole.

In addition, the dust collecting unit 110 includes a flow path forming unit 120 that forms a moving flow path of air introduced into the dust collecting unit 110.

Hereinafter, the structure of the said flow path formation part 120 is demonstrated with reference to drawings.

4 is a bottom perspective view of the dust separation apparatus according to the first embodiment of the present invention, and FIGS. 5 and 6 are perspective views showing the configuration of the flow path forming unit according to the embodiment of the present invention.

4 to 6, an inlet hole 114 is formed in the bottom portion 112 of the dust collecting unit 110 according to an embodiment of the present invention to allow air to flow into the dust collecting unit 110. . In addition, an upper side of the inflow hole 114 is provided with a flow path forming unit 120 that forms a moving flow path of air. That is, the inlet hole 114 forms the lower end of the flow path forming unit 120.

In detail, the flow path forming part 120 includes a first forming part 121 communicating with the inflow hole 114 and a second forming part 122 extending upward from the first forming part 121. Included.

The first forming portion 121 extends round from the bottom portion 112 of the dust collecting unit 110 toward the second forming portion 122. That is, the first forming part 121 includes an inclined surface 121a connecting the inflow hole 114 and the second forming part 122. Here, the inclined surface 121a may be referred to as a curved surface extending with a predetermined curvature.

The second forming part 122 extends upward from one side of the first forming part 121 and may have a pipe shape. In the figure, but having a hollow rectangular parallelepiped, various shapes such as cylinders may be applied.

In addition, the flow path forming part 120 has a lower connection part 123 connected to the bottom part 112 and an upper connection part 124 connected to the dust separation chamber 150. The lower connection part 123 may be referred to as an inlet part of the flow path forming part 120, and the upper connection part 124 may be referred to as an outlet part of the flow path forming part 120.

The lower connection part 123 includes a lower end of the first forming part 121 and a lower end of the second forming part 122. Here, the lower end of the first forming part 121 forms the inlet hole 114 and the lower end of the second forming part 122 is shielded by the bottom part 112.

In summary, the lower end of the first forming part 121 is opened to allow air to flow therein. On the other hand, since the lower end of the second forming part 122 is shielded by the bottom part 112, the inflow of air is prevented.

Therefore, the air introduced through the inlet hole 114 is moved while forming the predetermined angle with respect to the bottom portion 112 while flowing the first forming portion 121. In addition, the air passing through the first forming part 121 may be introduced into the chamber 150 through the second forming part 122. Here, the upper connection part 124 is connected to the air intake part 152.

Of course, the upper connection part 124 is formed to be open to allow air to pass through, and the air passing through the upper connection part 124 is introduced into the dust separation chamber 150 through the air suction part 152.

In the drawing, although the flow path forming part 120 and the air intake part 152 are shown to be separately coupled, the flow path forming part 120 may alternatively be formed integrally with the air intake part 152. .

Meanwhile, the flow path forming part 120 has a function of connecting the flow path pipe 14 extending from the air inlet part 12 to the inside of the main body 10 and the air intake part 152. "You can name it. In this case, the first forming part 121 may be referred to as a “first connecting part” and the second forming part 122 may be referred to as a “second connecting part”.

In addition, a lower part of the flow path forming part 120 is provided with a coupling boss 125 that allows the flow path forming part 120 to be coupled to the bottom surface of the dust collecting unit 110. In addition, the dust collecting unit 110 is provided with a coupling protrusion 113 (see FIG. 7) coupled to the coupling boss 125 at a position corresponding to the coupling boss 125.

FIG. 7 is a cross-sectional view showing the air flow by cutting along the line II ′ of FIG. 2, and FIG. 8 is a cross-sectional view showing the air flow according to the first embodiment of the present invention.

Referring to FIGS. 7 and 8, a process in which air introduced into the main body 10 is sucked into the dust separation chamber 150 will be described.

Below the dust collecting unit 110, a flow path pipe 14 is formed to form a flow path through which air moves from the air inlet 12 of the main body 10 to the dust collecting unit 110. Since the flow path pipe 14 forms an air flow path inside the body 10, the flow path formed by the flow path pipe 14 may be referred to as an “inner flow path”. Air moving along the flow path pipe 14 is introduced into the dust collecting unit 110 through the inlet hole 114.

One side of the connection pipe 14, the first forming portion 121 is extended. Air introduced through the inlet hole 114 is moved along the curved surface of the first forming unit 121. Thus, the direction of movement of the air changes smoothly while forming a predetermined radius of curvature.

That is, since the air gradually changes in direction while passing through the inclined surface 121a, there is an advantage in that the flow loss is minimized because the sudden change of the direction during the flow, that is, the bending of the flow path is not large.

The air passing through the first forming part 121 may be guided by the second forming part 122 and moved to the air suction part 152.

A flow direction that is moved along the connecting pipe 14 is referred to as "a (first direction)", and a flow direction that is moved along the outlet of the flow path forming part 120, that is, along the air intake part 152. Assume "b (second direction)". Here, the "a" and "b" may be formed in a direction orthogonal to each other.

On the other hand, the direction of the flow formed in the flow path forming part 120 is to form a "c (third direction)" different from the "a" and "b". The "c" direction may be formed in a direction gradually changing from the "a" direction to the "c" direction.

As a result, by the flow path forming portion 120, the air can be prevented from changing abruptly from the direction "a" to the direction "b" during movement. In this case, there is an advantage that the flow loss of air is reduced. In addition, while the bending of the flow path is minimized, the friction generated between the portion forming the flow path and the flow is reduced, there is an advantage that the noise is reduced.

In addition, the air introduced into the dust separation chamber 150 is separated by dust while performing cyclone flow. The separated dust is discharged through the dust discharge unit 154, and the air from which the dust is separated is discharged through the air discharge unit 153.

Hereinafter, a second embodiment of the present invention will be described. Since this embodiment differs only in the configurations of the cover member and the dust separation apparatus from the first embodiment, the differences are mainly described, and the same reference numerals and descriptions of the first embodiment are used.

9 is a perspective view of a vacuum cleaner showing a state in which a cover member is opened according to a second embodiment of the present invention, and FIG. 10 is a view of a vacuum cleaner showing a state in which a dust separation device according to a second embodiment of the present invention is separated. Perspective view.

9 and 10, in the main body 10 according to the second embodiment of the present invention, a seating portion 15 is formed to allow the dust separation apparatus 100 to be seated. The seating part 15 may be formed at positions corresponding to the bottom and rear surfaces of the dust separation apparatus 100.

In addition, the main body 10 is provided with an interference rib 17 for preventing the cover member 20 from being closed while the dust separation apparatus 100 is separated. The interference rib 17 may be formed in the seating part 15.

The interference rib 17 may be inserted into the insertion hole 173 (see FIG. 2) of the upper guide 170 while the dust separation device 100 is coupled. Thus, the interference rib 17 may be referred to as a "guide rib" that guides the coupling of the dust separation device 100.

In addition, at the rear side of the dust separation apparatus 100, a filter unit 180 is provided to allow the air discharged from the dust separation apparatus 100 to be filtered before entering the suction motor 70 (see FIG. 6). In addition, the filter inlet 180 is provided with a filter inlet 182 through which air is introduced. Of course, the filter inlet 182 may be formed at a position corresponding to the air outlet (not shown) of the dust separation chamber 150.

The cover member 20 includes a hinge portion 25 to allow the cover member 20 to be rotatably coupled to the main body 10.

The cover member 20 includes a first locking protrusion 53 and a second locking portion 172 which engage with the first locking portion 171 while the cover member 20 is closed. There is provided a second locking projection 54 in which the locking is made. Here, the plurality of second locking protrusions 54 may be provided at positions corresponding to the second locking portions 172.

The second locking protrusion 54 may interfere with the interference rib 17 in a state where the dust separation apparatus 100 is separated, thereby preventing the cover member 20 from being closed. The related description will be described below with reference to the drawings.

11 is a cross-sectional view of a vacuum cleaner showing a state in which the dust separation apparatus according to the second embodiment of the present invention is coupled, and FIG. 12 is a vacuum cleaner showing a state in which the dust separation apparatus according to the second embodiment of the present invention is separated. It is a cross section of. Here, FIG. 11 shows a state where the pressing part 22 is pressed open.

11 and 12, the vacuum cleaner 1 according to the second embodiment of the present invention includes a main body 10 on which the dust separation apparatus 100 is seated and a suction force provided to the main body 10. It includes a suction motor 70 to be generated, and an exhaust portion 75 provided on one side of the main body 10 to allow the air passing through the suction motor 70 to be discharged to the outside of the cleaner 1. In addition, the vacuum cleaner 1 includes a cover member 20 for selectively shielding the upper portion of the main body 10 and the dust separation apparatus 100.

The cover member 20 is provided with a link member 50 for selectively engaging between the cover member 20 and the main body 10. The link member 50 may be provided on the bottom surface of the cover member 20.

In detail, the link member 50 is provided with a link main body 51 which is interlocked with the pressing part 22 and provided to be rotatable in a predetermined direction, and is provided on one side of the link main body 51 and the link main body 51. ) Includes a second locking protrusion 54 for holding or releasing the locking with the second locking portion 172.

The link body 51 may be configured to include a plurality of links to interact. In addition, the second locking protrusion 54 may form an end portion of the link body 51, and may be rotatably provided by the operation of the link body 51.

In addition, an upper surface portion 170a is formed on the upper surface of the upper guide 170 to guide the movement of the second locking protrusion 54 in the process of closing the cover member 20. When the upper surface portion 170a is viewed based on the upper end portion of the upper guide 170, the upper surface portion 170a is gently inclined upwardly.

On one side of the upper surface portion 170a, the second locking portion 172 is formed so that the second locking protrusion 54 is locked. The second locking portion 172 is formed above the interference rib 17 in a state where the dust separation apparatus 100 is mounted.

An operation when the cover member 20 is opened and closed while the dust separator 100 is mounted on the main body 10 will be described.

When the cover member 20 is rotated in a direction in which the cover member 20 is closed while the cover member 20 is open, the second locking protrusion 54 is moved downward to contact the upper surface portion 170a. The second locking protrusion 54 is guided by the upper surface portion 170a and moved in the direction of the second locking portion 172.

When the second locking protrusion 54 reaches the second locking portion 172, at least a portion of the second locking protrusion 54 is inserted into the second locking portion 172 and the second locking portion 172. The end of the hook is made. That is, the second catching protrusion 54 may be caught by the second catching portion 172 before the interference with the interference rib 17 is generated. Accordingly, the cover member 20 separates the dust. It may be fixed to the device 100.

By the above configuration and action, the cover member has the advantage that it can easily shield the main body and the dust separation device at the same time.

On the other hand, the user may press the pressing portion 22 to open the cover member 20 while the cover member 20 is closed. Then, the second locking protrusion 54 may be released from the second locking portion 172 by the action of the link member 50. That is, as shown in FIG. 11, the second locking protrusion 54 may be rotated clockwise.

In addition, when the locking of the second locking protrusion 54 is released, the user may pull the cover handle 21 to open the cover member 20.

Meanwhile, FIG. 12 illustrates a state in which the cover member 20 is not fixed to the main body 10 in a state where the dust separation device 100 is not mounted on the main body 10.

When the cover member 20 is rotated in a direction in which the hinge portion 25 is closed, the second locking protrusion 54 may be moved downward. The second locking protrusion 54 is in contact with the upper side of the interference rib 17. That is, the second locking protrusion 54 may cause interference with the interference rib 17.

Therefore, the cover member 20 can no longer be moved downwards, and thus will not be fixed to the main body 10. That is, the cover member 20 is rocked in the vertical direction.

By the configuration as described above, the user can easily grasp the state that the dust separation apparatus 100 is not mounted, it is possible to avoid the mistake of operating the cleaner in this state.

Hereinafter, a third embodiment of the present invention will be described. Compared with the previous embodiment, the present embodiment has only a difference in the configuration of the cover member, and thus, the difference will be mainly described, and the same reference numerals and descriptions of the previous embodiment are used.

Figure 13 is an exploded perspective view of a cover member according to a third embodiment of the present invention, Figure 14 is a cross-sectional view showing the configuration of a cover member according to a third embodiment of the present invention, Figure 15 is a third embodiment of the present invention Is a bottom view of the cover member with the cover base removed.

13 and 15, the cover member 200 according to the third embodiment of the present invention includes a cover base 210 forming a lower appearance, and a cover cap provided on an upper side of the cover base 210. 220, a

link assembly

230, 240, 250 interposed between the cover base 210 and the cover cap 220 and a cover handle 260 operable to open the cover member 200 are included.

In detail, the cover handle 260 is provided with a pressing part 270 that is pressed to open the cover member 200. In addition, the pressing part 270 is provided with a fastening protrusion 271 that is engaged with at least a portion of the

link assembly

230, 240, 250. The fastening protrusion 271 may be formed to protrude to the lower inner side of the pressing part 270.

In addition, the cover handle 260 is provided with an elastic member 262 to support at least a portion of the pressing portion 270. When the user presses the pressing part 270, the elastic member 262 is compressed, and when the pressing operation is stopped, the pressing part 270 may return to the initial position by the restoring force of the elastic member 262. .

The link assembly (230, 240, 250), the first link 230 is engaged with the first locking portion 171 of the dust separation device 100, and the third link is engaged with the second locking portion 172. 250 and a second link 240 connecting the first link 230 and the third link 250.

The first link 230 is formed by bending one member a plurality of times. In addition, the first link 230 includes a first locking protrusion 232 inserted into the first locking portion 171, and an insertion protrusion 234 coupled to the second link 240. . The insertion protrusion 234 may be provided in plural on both sides of the first link 230.

In addition, the second link 240, a guide slit 242 is formed on one side of the second link 240 and the insertion protrusion 234 is slidably coupled, and the second link 240 It is formed on the other side of the link connecting portion 244 is connected to the third link 250 is included.

The guide slit 242 may be formed to be inclined upward rearward. In addition, while the insertion protrusion 234 is moved inside the guide slit 242, the first link 230 may be rotated in a predetermined direction. The first locking protrusion 232 may be located at the front and the insertion protrusion 234 may be located at the rear of the pivot center of the first link 230.

The link connector 244 may be coupled in a manner of being inserted into a predetermined groove of the third link 250. By coupling the second link 240 and the third link 250, the

links

240 and 250 may be integrally moved.

The third link 250 has a protrusion coupling part 254 to which the fastening protrusion 271 is coupled. The protrusion coupling part 254 may be formed in the shape of a slit so as to be movable in a state in which the coupling protrusion 271 is fitted, and may be inclined to the rear lower side.

The third link 250 is provided with a second locking protrusion 252 inserted into the second locking portion 172 to be locked. The second catching protrusion 252 may be formed to extend toward the rear from the body of the third link 250.

Meanwhile, the cover base 210 has a first protrusion through hole 212 through which the first locking protrusion 232 penetrates downward, and a second passage through which the second locking protrusion 252 penetrates downward. The protrusion through hole 214 and the cover rotating part 215 formed as the center of rotation of the cover member 200 is included. Here, the second protrusion through hole 214 may be provided in plural numbers so as to correspond to the second locking protrusion 252.

In addition, the cover base 210 is provided with a third link restraint 216 that limits the moving range of the third link 250. The third link restraint part 216 may be formed to protrude upward from an upper surface of the cover base 210.

Correspondingly, a third link guide 256 is provided below the third link 250 to contact an upper side of the third link restraint 216. The third link guide 256 may be provided in a hollow shape with an empty inside.

On the other hand, the cover cap 220 is provided with a cover cap fixing part 228 extending downward through the inside of the third link guide 256. The cover cap fixing part 228 may be disposed to be accommodated in the third link restraining part 216. That is, the cover cap fixing part 228 penetrates through the third link guide 256 and is inserted into the third link restraining part 216.

When the third link 250 is moved, if the third link guide 256 interferes with the cover cap fixing part 228, further movement of the third link 250 may be limited. .

In addition, the cover cap 220 is formed with an accommodating part 224 to accommodate the pressing part 270 while the pressing part 270 is moved in the vertical direction. The receiving portion 224 is formed so that at least a portion of the cover cap 220 penetrates.

16 and 17 are views showing the action of the pressing portion and the cover member according to the third embodiment of the present invention. FIG. 16 shows a state in which the cover member 200 is closed, and FIG. 17 shows a state in which the cover member 200 is opened.

16 and 17, the cover member 200 according to the third embodiment of the present invention is provided to be rotatable about the cover pivot 215, and in this process, the main body 10 and the dust. The upper side of the separation device 100 may optionally be shielded.

First, when the user presses the pressing part 270, the fastening protrusion 271 is moved rearward downward along the protrusion coupling part 254. In this process, the fastening protrusion 271 presses the third link 250 forward.

As a result, the third link 250 and the second link 240 may be moved forward. In the process of moving the second link 240 to the front, the insertion protrusion 234 of the first link 230 is moved to the rear upper side along the guide slit 242. In addition, the first locking protrusion 232 may be rotated to the rear, and the locking with the dust collecting unit 110 may be released.

At this time, since the third link guide 256 interferes with the cover cap fixing part 244, the third link 250 may be restricted from further movement. In this state, when the cover member 200 is lifted up, the cover member 200 may be opened.

On the contrary, when the pressing action of the pressing part 270 is stopped, the pressing part 270 and the

link assemblies

230, 240, and 250 may be restored to their initial positions by the restoring force of the elastic member 262.

When the user wants to close the cover member 200, the user can press the cover member 200. Then, the first locking protrusion 232 and the second locking protrusion 234 may be elastically moved by a predetermined range to overcome the restoring force of the elastic member 262.

In detail, the first locking protrusion 232 is guided backward by the first locking portion 171, and the second locking protrusion 234 is guided forward by the second locking portion 172. In addition, the locking

protrusions

232 and 234 may return to the initial position by the restoring force of the elastic member 262, and the locking

protrusions

232 and 234 may be locked to the locking

portions

171 and 172, respectively.

Hereinafter, a fourth embodiment of the present invention will be described. Since the present embodiment has a difference in the configuration of the fixed unit compared with the previous embodiment, the difference will be mainly described, and the same reference numerals and descriptions of the previous embodiment are used.

18 is a cross-sectional view showing the configuration of a dust separation apparatus according to a fourth embodiment of the present invention, FIG. 19 is a view showing the configuration of a fixing unit according to a fourth embodiment of the present invention, and FIG. 20 is a first embodiment of the present invention. 4 is a cross-sectional view illustrating a coupling relationship between a cover member and a fixing unit according to an exemplary embodiment.

18 to 20, between the dust separation chamber 150 and the dust collecting unit 110 according to the fourth embodiment of the present invention, the cover member 200 is caught between the dust collecting unit 110. A fixing unit 400 is provided to achieve this.

The fixing unit 400 may be fixed to one side of the dust collecting unit 110, and may be accommodated on the opposite side of the handle part 116 about the dust collecting unit 110, that is, inside the dust collecting unit 100. have. In addition, the fixing unit 400 may be fixed to be located inside the first locking portion 171 described in the previous embodiment.

In detail, the fixing unit 400 includes a fitting mounting part 410 configured to be fitted upward in the dust collecting unit 110 and an upper side of the fitting mounting part 410 and the first locking protrusion ( 232 includes a locking fixing portion 440 is caught. Here, the fixing unit 400 may be formed to have a thickness corresponding to the distance spaced between the dust separation chamber 150 and the dust collecting unit 110.

In addition, the fixing unit 400, the fastening hole 420 for fastening the fixing unit 400 is formed. The fastening member is coupled to the fastening hole 420, whereby the position of the fixed unit 400 may be fixed.

The locking fixing part 440 includes an upper locking end 442 in contact with an upper portion of the first locking protrusion 232, and a lower locking end 444 in contact with a lower portion of the locking protrusion 234. Here, the first locking protrusion 232 may have a hook shape to be accommodated between the upper locking end 442 and the lower locking end 444.

In addition, the upper locking end 442 and the lower locking end 444 are respectively “first locking end” and “second locking end” in that the first locking protrusion 232 is engaged with at least one side and the other side of the first locking protrusion 232. You can name it as

The upper locking end 442 and the lower locking end 444 are disposed to be spaced apart by a predetermined distance in an up and down direction, and the distance between the upper locking end 442 and the lower locking end 444 is formed to be smaller than the height from the top to the bottom of the first locking protrusion 232. That is, the first locking protrusion 232 may be locked in an obliquely inclined state between the locking ends 442 and 444.

The upper locking end 442 has a curved portion 442a corresponding to the hook shape of the first locking protrusion 232. The curved portion 442a is formed to be rounded toward the upper end from the lower end of the upper locking end 442.

FIG. 21 is a view illustrating a coupling relationship between a cover member and a fixing unit in a state in which the cleaner body according to the fourth embodiment of the present invention is placed on the bottom surface, and FIG. 22 illustrates a cleaner body according to the fourth embodiment of the present invention. It is a figure which shows the coupling relationship of a cover member and a fixed unit in a raised state.

An operation of the first locking protrusion 232 and the fixing unit 400 according to the present embodiment will be described with reference to FIGS. 21 and 22.

First, when the cleaner body is placed on the bottom surface and the cover member 200 is closed, as shown in FIG. 21, the first locking protrusion 232 is the upper locking end 442 and the lower locking end 444. The latch is held in the state sandwiched between.

In this state, when the user presses the pressing part 270, the cover member 200 may be opened by the operation described in the third embodiment.

Meanwhile, in the state in which the cleaner body is lifted up, as shown in FIG. 22, the cover member 200 is slightly lifted up from the dust separation device 100. In this process, the first locking projection 232 is slightly moved upward, and eventually moved to the upper side of the upper locking end 442 along the curved portion 442a is fastened more deeply.

In detail, when the cleaner body is lifted up, the fastening protrusion 271 is lifted upward while being inserted into the protrusion coupling part 254, and thus the third link 250 is pressed upward. . Therefore, the third link 250 and the second link 240 are moved upward.

As the second link 240 moves upward, the insertion protrusion 234 receives a force in a direction in which the insertion protrusion 234 is lifted from the inside of the guide slit 242. As a result, the first link 230 receives an upward force, and the first locking protrusion 232 moves upward.

By such a process, the first locking protrusion 232 is moved upward and fastened deeply to the upper side of the upper locking end 442.

In this state, even if the user presses the pressing part 270, since the first locking protrusion 232 is maintained deeply coupled to the upper locking end 442, the cover member 200 may have Opening is limited by the action of the

link assemblies

230, 240, 250.

Therefore, in the state in which the user is holding the cleaner, the cover member is not opened even if the user presses the pressing part by mistake, so that safety may be ensured.

According to the above embodiment, there is an advantage that the flow loss can be reduced because the flow path is formed to minimize the bending of the air flow inside the cleaner.

Claims

A body in which an air inlet is formed;

An internal flow path formed in the main body and configured to move air introduced from the air inlet;

A dust separation device detachably coupled to the main body, the dust separation device having a dust separation chamber for separating foreign matters from the air flowing through the internal flow path; And

And a flow path forming portion interposed between the inner flow path and the dust separation chamber and having an inclined surface for changing a flow direction of air passing through the inner flow path.
The method of claim 1,

In the flow path forming portion,

A first flow path forming part extending round from one side of the inner flow path,

And a second flow passage forming portion extending from the first flow passage forming portion to one side of the dust separation chamber.
The method of claim 1,

The dust separating apparatus further includes a dust collecting unit storing dust separated in the dust separating chamber, wherein the flow path forming unit is provided in the dust collecting unit.
The method of claim 1,

A cover member selectively engaging with the dust separator; And

And a interference rib provided on the main body, the interference rib being generated to interfere with the cover member in a state where the dust separation apparatus is removed.
The method of claim 4, wherein

A locking protrusion provided on a bottom surface of the cover member; And

The vacuum cleaner is formed on the dust separation device, and further comprising a locking portion that is engaged with the locking projection.
The method of claim 1,

A cover member that shields at least one side of the dust separation device and is selectively openable; And

A pressing part operable to open the cover member; And

The vacuum cleaner further comprises a link assembly interlocked according to the operation of the pressing unit.
The method of claim 6,

The link assembly,

A first link caught on one side of the dust separation device;

A second link to which the first link is movably coupled; And

A vacuum cleaner comprising a third link coupled to the other side of the dust separation device and coupled to the second link.
The method of claim 7, wherein

A fastening protrusion provided on the pressing part and coupled to the third link; And

The vacuum cleaner further comprises a protrusion coupling portion for allowing the fastening protrusion to be movable.
The method of claim 1,

A cover member for selectively shielding the dust separation device and provided with a locking projection; And

And a fixing unit provided to the dust separation device and configured to engage with the locking protrusion.
The method of claim 9,

In the fixed unit,

A first locking end in contact with one side of the locking protrusion; And

And a second locking end spaced apart from the first locking end and in contact with the other side of the locking protrusion.