KR20090071234A - Vacuum cleaner - Google Patents

Abstract

An invention for a vacuum cleaner is disclosed. The disclosed invention includes: a body in which inlets and outlets are formed; A dust container in communication with the inlet and outlet; A filter provided inside the dust container; A case part provided in the filter; A rotating shaft rotatably coupled to the case part; A drive unit for rotating the rotary shaft; And a striking member coupled to the rotating shaft to be in contact with the inner surface of the filter.

According to the present invention, by rotating the striking member by using the rotational force of the motor, and the striking member rotates inside the filter and strikes the inner surface of the filter to vibrate the filter, fine dust accumulated on the outside of the filter is automatically Since it is shaken, there is little fear that the suction power is reduced by fine dust, there is no effect of having to clean the filter frequently.

Description

Vacuum Cleaner {VACUUM CLEANER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner that sucks in dust and the like by using an absorption force of a low pressure portion.

In general, vacuum cleaners are divided into canister type vacuum cleaners which drag the main body according to the shape of the vacuum cleaner, and upright type vacuum cleaners in which the main body is placed in a vertical direction. do.

Among these, an example of the canister vacuum cleaner is shown in FIGS. 1 and 2, which will be briefly described as follows.

As shown, a conventional canister vacuum cleaner is provided with a cleaner body 1, and a suction head 2 for sucking dust in front of the cleaner body 1, and the suction head 2 and A hose 3 and an extension tube 4 are connected between the vacuum cleaner body 1 so as to communicate between the suction head 2 and the vacuum cleaner body 1.

In addition, the dust container mounting portion 5 formed to be recessed in the rear of the cleaner body 1 is provided with a detachable dust container 6 for collecting dust sucked into the cleaner body 1 through the hose 3. The inside of the cleaner body 1 is provided with a fan motor (not shown) for generating a suction force so that dust can be collected in the dust container 6.

A filter is installed inside the dust container so that foreign matters in the air flowing from the suction head 2 are filtered by the filter, and the air is discharged into the room through the discharge port of the cleaner body.

In addition, the air discharged from the dust container is discharged into the room through the discharge port formed in the cleaner body 1, the dust filter is installed inside the discharge port to filter the foreign matter remaining in the air.

However, according to the conventional vacuum cleaner, a large amount of foreign matter falls to the bottom surface of the dust container by its own weight, but fine dust flows inside the dust container together with the air and is separated from the air discharged by the dust filter to separate the dust filter. It builds up on the outer wall. In other words, when cleaning a lot of fine dust, the fine dust introduced into the dust container flows into the dust container together with the air and gradually blocks the surface of the dust filter so that the suction power of the motor is not properly transmitted. That is, even if not collected by the amount of foreign matter acceptable to the dust container, if a lot of fine dust accumulated on the surface of the dust filter, the suction power is reduced, there is a hassle to clean the dust filter frequently. Therefore, there is a need for improvement.

The present invention has been made by the necessity as described above, and an object thereof is to provide a vacuum cleaner having an improved structure so that there is no need to clean the dust filter frequently.

Vacuum cleaner according to the present invention comprises: a main body in which the inlet and outlet are formed; A dust container communicating with the suction port and the discharge port; A filter provided inside the dust container; A case part provided in the filter; A rotating shaft rotatably coupled to the case part; A driving unit for rotating the rotating shaft; And a striking member coupled to the rotating shaft to be in contact with the inner surface of the filter.

Here, it is preferable that a support member for supporting the filter from the inside is further provided inside the filter.

In addition, the vacuum cleaner characterized in that it further comprises a rotating fan, which is coupled to the rotating shaft.

In addition, the rotating fan is preferably disposed inside the filter.

In addition, the rotating fan is preferably disposed outside the filter.

The case part may include: a first case provided at an open side of the filter; And a second case provided at the other open side of the filter to fix the filter to the dust container.

Moreover, it is preferable that the said case part is provided with the bearing which supports the said rotating shaft.

In addition, it is preferable that a through hole through which the rotating shaft penetrates is formed in the case part.

In addition, the through hole is preferably provided with a sealing member.

In addition, the striking member is preferably formed of a soft material.

Moreover, it is preferable that the said filter is a hepa filter.

In addition, the filter is preferably formed in a cylindrical shape formed with a plurality of pleats along the circumferential direction.

In addition, the dust container, the spiral inlet communicating with the suction port; And an exhaust port communicating with the discharge port is formed.

As described above, the vacuum cleaner according to the present invention, unlike the prior art, rotates the striking member by using the rotational force of the motor, and the striking member vibrates the filter by striking the inner surface of the filter while rotating inside the filter Since the fine dust accumulated on the outside of the filter is automatically shaken off, the suction force is less likely to fall by the fine dust, and there is no effect of having to clean the filter frequently.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a vacuum cleaner according to the present invention. For convenience of description, the canister type vacuum cleaner will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, the definitions of these terms should be made based on the contents throughout the specification.

3 is a cross-sectional view showing a part of a vacuum cleaner according to an embodiment of the present invention, FIG. 4 is an exploded perspective view showing the vacuum cleaner shown in FIG. 3, and FIG. 5 is a cross-sectional view taken along the line VII-VII of FIG. 3. .

3 to 5, the vacuum cleaner 100 according to an embodiment of the present invention includes a main body (not shown), a dust container 110, a filter 120, a case part 130, It includes a rotation shaft 140, the drive unit 150 and the striking member 160.

The main body has a predetermined space, and an inlet (not shown) and an outlet (not shown) are formed, and a fan (not shown) and a motor (not shown) for generating a suction force are installed. Since the structure of the main body is obvious to those skilled in the art, a detailed description thereof will be omitted.

The dust container 110 is provided on the main body so as to communicate with the suction port and the discharge port. The dust container 110 is provided to collect foreign substances in the air flowing from the suction port, and is preferably detachably mounted inside the main body. According to the dust container 110, the inlet port 112 is formed on the side adjacent to the inlet, the exhaust port 114 is formed on the side adjacent to the outlet, it is in communication with the inlet and outlet. At this time, the inlet 112 is preferably formed in a spiral shape, which is intended to cause cyclone airflow in the dust container 110 when air is introduced into the dust container 110 from the inlet 112.

The filter 120 is provided inside the dust container 110. The air introduced into the dust container 110 through the inlet from the outside is discharged to the outside through the outlet after passing through the filter 120, the filter 120 filters the foreign matter in the air in this process to clean air Only serves to discharge to the outside through the outlet.

The filter 120 is formed in a cylindrical shape in which a plurality of pleats are formed along the circumferential direction. In addition, the filter 120 may include a HEPA filter that can effectively remove fine dust contained in the air from the air.

The case part 130 is provided in the filter 120. The case part 130 is provided at both open sides of the filter 120 and serves to connect and fix the filter 120 on the dust container 110. The first case 132 and the second case are provided. 134.

The first case 132 is provided at one open side of the filter 120. The first case 132 blocks one open side of the filter 120 to prevent air from flowing into the dust container 110 through one open side of the filter 120 and supports one side of the filter 120. do.

The second case 134 is provided on the other open side of the filter 120. The second case 134 blocks the other open side of the filter 120 to prevent the air inside the dust container 110 from flowing through the other open side of the filter 120, and supports the other side of the filter 120. do. In addition, a discharge port 134a communicating with the inside of the filter 120 is formed in the second case 134. The second case 134 is coupled to the dust container 110 side formed with the exhaust port 112 to fix the filter 120 on the dust container 110. At this time, the discharge port 134a communicates with the exhaust port 112, and thus, the inside of the filter 120 communicates with the discharge port through the discharge port 134a and the exhaust port 112.

On the other hand, according to this embodiment, the support member 170 is provided to support the filter 120 from the inside. The support member 170 is disposed inside the filter 120. In addition, the support member 170 is preferably divided into two or more parts, and each of the support members 172 and 174 is disposed to be spaced apart from each other. This is to secure a space in which the striking member 160 to be described later is disposed. Each of the supporting members 172 and 174 is coupled to the first case 132 and the second case 134, respectively, to support the inner surface of the filter 120. In the present embodiment, the support member 170 is illustrated as being divided into two parts, but is not limited thereto. The support member 170 may be provided integrally or may be divided into three or more parts. .

The rotating shaft 140 is rotatably coupled to the case unit 130, one side of which is rotatably coupled to the center of the first case 132, and the other side of the rotating shaft 140 to the center of the second case 134. To this end, the first case 132 and the second case 134 of the case unit 130 may further include bearings 136 and 138 that rotatably support the rotating shaft 140.

In addition, the rotating shaft 140 penetrates through the first case 132 of the case part 130 to extend outside the filter 120, and the first case 132 penetrates through which the rotating shaft 140 penetrates (symbol). Omission). In addition, the bearing 136 provided in the first case 132 is formed so that both sides thereof are open, and is disposed to be inserted into the through hole.

In addition, a sealing member 180 may be provided between the through holes of the first case 132. The sealing member 180 serves to block air inside the dust container 110 and fine dust contained therein from being introduced into the filter 120 through a gap between the through hole and the bearing 136.

The driving unit 150 is provided to rotate the rotation shaft 140. The driving unit 150 may include a motor (not shown) providing a rotational force and a power transmission unit for transmitting the rotational force of the motor to the rotating shaft. The driving unit 150 may be mounted on the case unit 130, and may be mounted inside the main body when the rotation shaft 140 extends to the inside of the main body. In addition, the driving unit 150 may be operated in conjunction with the operation of the main body, or may be operated by the user operating the operation switch provided in the outside. Since the configuration and operation relationship of the driving unit 150 is a matter that can be easily applied and implemented by those skilled in the art, a detailed description thereof will be omitted.

The striking member 160 is disposed inside the filter 120 and is coupled to the rotating shaft 140. The striking member 160 is provided such that one side thereof is coupled to the rotation shaft 140 and the other side thereof contacts the inner surface of the filter 120. The striking member 160 rotates together with the rotation of the rotary shaft 140 to strike the pleated inner surface of the filter 120, thereby vibrating the filter 120 to accumulate fine dust on the outer surface of the filter 120. To shake off the filter 120. The striking member 160 may be formed of a soft material such as PVC to minimize damage of the filter 120 when striking.

Meanwhile, in the present embodiment, the striking member 160 is illustrated as being provided with one on the rotating shaft 140, but is not limited thereto. The striking member 160 may be provided on the rotating shaft 140. have.

Hereinafter, the operation relationship of the vacuum cleaner 100 according to an embodiment of the present invention will be described in detail.

According to the vacuum cleaner 100 according to the present embodiment having the configuration as described above, the suction force generated in the fan of the main body sucks the outside air, the suctioned outside air, the suction nozzle, the extension pipe and the suction hose, etc. Through the suction port is introduced into the dust container (110). Here, the suction nozzle, the extension pipe and the suction hose connected to the suction port are the same as those configured in the general vacuum cleaner, and thus the detailed description thereof will be omitted.

As described above, the air flowing into the dust container 110 forms a cyclone airflow while passing through the inlet 112, and the foreign matter having a large mass among the foreign matters contained in the air is inside the dust container 110 by the cyclone airflow. While the flow is aggregated to fall to the bottom of the dust container (110). Further, the fine dust flows through the dust container 110 together with the air, and is separated from the air discharged to the outlet by the filter 120 to be accumulated on the outer surface of the filter 120. The air separated from the fine dust while passing through the filter 120 after being separated from the foreign matter having a large mass is discharged to the outlet.

At this time, when the driving unit 150 is operated, the rotary shaft 140 is rotated, by the rotation of the rotary shaft 140 is also to rotate the striking member 160, the striking member 160 is the filter 120 While rotating in contact with the inner surface of the hitting the pleated inner wall of the filter 120. As a result, a predetermined amount of impact is applied to the filter 120, and the filter 120 vibrates by the impact, so that fine dust accumulated on the outer surface of the filter 120 is shaken off.

According to the vacuum cleaner of the present embodiment, as described above, the striking member 160 is rotated using the rotational force of the motor, and the striking member 160 rotates inside the filter 120 while the inner surface of the filter 120 is rotated. By vibrating the filter 120 to vibrate, fine dust accumulated on the outer surface of the filter 120 is automatically shaken off, there is less fear that the suction force is reduced by the fine dust, and often clean the filter 120 It has no hassle effect.

The vacuum cleaner as described above is merely one embodiment of the present invention, there may be several other embodiments.

6 is a cross-sectional view showing a portion of a vacuum cleaner according to another embodiment of the present invention, Figure 7 is a cross-sectional view taken along the line VII-VII.

Here, the same reference numerals as in the above-described drawings are the same members having the same function, and thus repeated description thereof will be omitted.

On the other hand, according to the vacuum cleaner 200 according to another embodiment of the present invention, the rotary fan 290 may be further provided. The rotating fan 290 is disposed inside the filter 120 and is coupled to the shaft on the rotating shaft 140. The rotating fan 290 is rotated by the air flowing through the suction unit, more specifically, the air flowing through the suction unit and then passed through the filter 120 to rotate the shaft coupled to the rotating fan 290 ( 140). The rotary fan 290 may be used when the rotary shaft 140 is to be rotated by using air introduced through the suction unit without using the driving unit 150.

Although not shown, the rotating fan as described above may be provided outside the filter 120. The rotary fan is rotated by the air introduced into the dust container 110 through an intake port (not shown) outside the filter 120.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand. In addition, the canister type vacuum cleaner has been described as an example, but this is merely illustrative, and the present invention may be used in other vacuum cleaners other than the canister type vacuum cleaner. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 and 2 are views showing a conventional vacuum cleaner.

3 is a cross-sectional view showing a part of a vacuum cleaner according to an embodiment of the present invention.

4 is an exploded perspective view showing the vacuum cleaner shown in FIG.

5 is a cross-sectional view taken along the line VII-VII of FIG. 3.

6 is a cross-sectional view showing a part of a vacuum cleaner according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100,200: vacuum cleaner 110: dust box

112: intake port 114: exhaust port

120: filter 130: case

132: first case 134: second case

140: rotation axis 150: drive unit

160: striking member 170: support member

180: sealing member 290: rotating fan

Claims (13)

A main body in which an inlet and an outlet are formed; A dust container communicating with the suction port and the discharge port; A filter provided inside the dust container; A case part provided in the filter; A rotating shaft rotatably coupled to the case part; A driving unit for rotating the rotating shaft; And And a striking member coupled to the rotating shaft to be in contact with the inner surface of the filter. The method of claim 1, In the filter, the vacuum cleaner, characterized in that the support member for supporting the filter from the inside is further provided. The method of claim 1, And a rotating fan coupled to the rotating shaft. The method of claim 3, The rotary fan is a vacuum cleaner, characterized in that disposed inside the filter. The method of claim 3, The rotary fan is a vacuum cleaner, characterized in that disposed on the outside of the filter. The method of claim 1, wherein the case portion, A first case provided at one open side of the filter; And And a second case provided at the other open side of the filter to fix the filter to the dust container. The method of claim 1, The case part, the vacuum cleaner, characterized in that it comprises a bearing for supporting the rotating shaft. The method of claim 1, The case part, the vacuum cleaner, characterized in that the through hole through which the rotating shaft is formed. The method of claim 8, The through-hole, the vacuum cleaner, characterized in that the sealing member is provided. The method of claim 1, The striking member is a vacuum cleaner, characterized in that formed of a soft material. The method of claim 1, The filter is a vacuum cleaner, characterized in that the HEPA filter. The method of claim 1, The filter is a vacuum cleaner, characterized in that formed in a cylindrical shape with a plurality of pleats formed in the circumferential direction. The dust container according to claim 1, A spiral inlet communicating with the suction port; And A vacuum cleaner, characterized in that the exhaust port is in communication with the discharge port is formed.

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