KR101717537B1 - A upright type vacuum cleaner - Google Patents

Abstract

An upright type vacuum cleaner is disclosed. The disclosed vacuum cleaner includes a cleaner main body having a motor chamber equipped with a suction motor and having a front surface, two side surfaces and a rear surface; An exhaust filter unit installed on one side of the cleaner body for filtering impurities from the air discharged from the suction motor; And a cord drill assembly installed on the other surface of the cleaner main body and including a power cord, wherein the one surface of the cleaner main body, on which the exhaust filter unit is installed, and the other surface of the cleaner main body on which the nose drill assembly is installed, The exhaust air discharged from the exhaust filter unit is switched in direction to cool the power cord while passing through the nose drill assembly, and then exits the nose drill assembly.

Vacuum cleaner, exhaust filter cover, nose drill assembly, power cord cooling, duct duct

Description

[0001] UPRIGHT TYPE VACUUM CLEANER [0002] BACKGROUND OF THE INVENTION [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upright type vacuum cleaner, and more particularly to an upright type vacuum cleaner for cooling a power cord.

In general, a vacuum cleaner refers to a device that sucks air containing dust on the surface to be cleaned, separates dust from the dust collecting unit, and discharges the purified air to the outside. In order to supply power to such a vacuum cleaner, a vacuum cleaner is provided with a cord drill assembly in which a power cord is wound. Heat is generated in the power cord by using a vacuum cleaner, so that the vacuum cleaner has a structure for cooling the heat generated from the power cord by allowing the air discharged from the suction motor to be discharged to the outside after passing through the nose drill assembly.

However, since the air discharged from the suction motor contains impurities such as carbon powder coming from the carbon brush of the suction motor, the power cord is contaminated.

Japanese Patent Application Laid-open No. Hei 07-124082 and U.S. Patent No. 6,052,862 disclose that the air discharged from the suction motor is purified again through the exhaust filter, the power cord wound on the cord drill assembly is cooled, As shown in Fig.

However, in Japanese Patent Application Laid-Open No. H07-124082, since the exhaust filter is not separated from the body of the vacuum cleaner in order to clean the exhaust filter, the exhaust filter can not be cleaned. US Pat. No. 6,052,862 discloses a vacuum cleaner It is inconvenient to clean the exhaust filter because it has a structure that allows the user to access the exhaust filter only after separating the cock drill assembly from the cleaner main body.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a vacuum cleaner having a structure in which air cleaned through an exhaust filter is cooled by a cord drill assembly through a cord drill assembly, Type vacuum cleaner.

It is another object of the present invention to provide an upright type vacuum cleaner in which the exhaust filter cover covers the exhaust filter and serves also as a duct for switching the direction of movement of the exhaust passage.

According to an aspect of the present invention, there is provided a vacuum cleaner comprising: a vacuum cleaner main body having a motor chamber equipped with a suction motor and having a front surface, two side surfaces and a rear surface; An exhaust filter unit installed on one side of the cleaner body for filtering impurities from the air discharged from the suction motor; And a cord drill assembly installed on the other surface of the cleaner main body and including a power cord, wherein the one surface of the cleaner main body, on which the exhaust filter unit is installed, and the other surface of the cleaner main body on which the nose drill assembly is installed, The exhaust air discharged from the exhaust filter unit is switched in direction to cool the power cord while passing through the nose drill assembly, and then exits the nose drill assembly.

The exhaust filter unit may be installed on a side surface of the cleaner main body and the nose drill assembly may be disposed adjacent to and connected to the rear surface of the cleaner main body or the exhaust filter unit may be installed on a rear surface of the cleaner main body , And the nose drill assembly is configured to be adjacent to and connected to the side surface of the cleaner main body.

The exhaust filter assembly may further include an exhaust filter receiving portion; A filter member mounted in the exhaust filter housing portion; And an exhaust filter cover for selectively opening the exhaust filter housing portion, wherein a hinge portion is rotatably connected to the exhaust filter housing portion at one side of the exhaust filter cover, It is preferable that a pair of locking portions are provided so as to be spaced apart from each other for selective locking with the filter accommodating portion.

The exhaust filter cover has an extension between the pair of locking portions. When the exhaust filter cover has closed the exhaust filter housing portion, the extension portion is rotated in a direction perpendicular to the direction of the purified air passing through the filter member It is preferable to form the duct flow path so as to move into the interior of the nose drill assembly.

A first communication hole communicating with the motor chamber is formed in a lower portion of the exhaust filter accommodating portion, and a second communication hole communicating with the inside of the nose drill assembly is formed in a side surface of the exhaust filter accommodating portion, A sphere may be formed.

A second communication hole communicating with the motor chamber is formed in a lower portion of the exhaust filter accommodating portion. A second communication hole communicating with the inside of the nose drill assembly is formed on a rear surface of the nose drill assembly, A sphere may be formed.

In addition, it is preferable that the exhaust filter unit serves to remove impurities in the air exhausted from the intake motor, and to switch the flow of purified exhaust air from which impurities have been removed.

Further, the exhaust filter unit and the nose drill assembly may protrude from the cleaner main body.

According to the present invention, since the filter member 134 can be cleaned by separating the filter member 134 from the vacuum cleaner only by rotating the exhaust filter cover 133 to open the exhaust filter receiving portion 131, You can clean the filter.

The exhaust filter cover 133 of the present embodiment is integrally formed with the extension portion 138 so that the exhaust filter cover 133 covers the filter member 134 as well as the function of covering the filter member 134 from the exhaust filter unit 130, Since it also serves as a duct for converting the flow of air moving to the assembly 150, the number of parts can be reduced because no separate flow path configuration is required.

Hereinafter, an upright type vacuum cleaner 100 according to a first embodiment of the present invention will be described with reference to the drawings.

1 and 2, the present invention includes a cleaner main body 101, a nozzle assembly 110, a dust collecting unit 120, an exhaust filter unit 130, and a nose drill assembly 150.

The cleaner main body 101 is provided with a handle portion 108 at an upper portion thereof, a dust collecting unit 120 at a front thereof, and a nozzle assembly 110 rotatably installed at a lower portion thereof. A hose coupling hole 102 is formed in the upper part of the rear surface of the cleaner main body 110, and a hose coupling pipe 103 is provided in the lower part of the rear side. The hose coupling hole 102 and the hose coupling pipe 103 are coupled and communicated by the hose 20.

The exhaust filter unit 130 is installed on the side surface 101a of the cleaner main body 101 and the cock drill assembly 150 protrudes on the rear surface 101b. At this time, the exhaust filter unit 130 and the nose drill assembly 150 are adjacent to each other and installed to communicate with each other. Accordingly, the exhaust filter unit 130 and the nose drill assembly 150 are arranged substantially at right angles.

3, the cleaner main body 101 has a motor chamber portion 106 in which a suction motor 160 is mounted. The motor chamber portion 106 is formed with a motor suction passage 106a communicating with the lower portion of the dust collecting unit 120 and a motor exhaust passage 106b communicating with the exhaust filter unit 130 is formed.

The nozzle assembly 110 is rotatably installed at a lower portion of the cleaner main body 101 and the suction port (not shown) formed on the bottom surface of the nozzle assembly 110 communicates with the hose coupling pipe 103. Accordingly, the air including the dust sucked through the nozzle assembly 110 is moved to the hose coupling pipe 103. On both sides of the nozzle assembly 110, a moving wheel 116 is installed to move the vacuum cleaner 110.

The dust collecting unit 120 includes a cyclone unit 121, a dust box 123 and a free motor filter unit 125. The dust collecting unit 120 includes a cyclone unit 121, a dust box 123 And a pre-motor filter unit 125 are sequentially arranged. At this time, the dust container 123 and the pre-motor filter portion 125 are detachably installed from the cleaner main body 101, and the cyclone portion 121 is installed to be fixed to the cleaner main body 101. When air including dust is introduced into the cyclone portion 121 through the hose coupling hole 102, the dust is separated from the air by the centrifugal force and stored in the dust container 123. The purified air passes through the pre-motor filter portion 125 ) And the fine dust is filtered again. The purified air filtered to the fine dust is discharged in the lower direction of the pre-motor filter portion 125. At this time, the pre-motor filter unit 125 communicates with the motor suction passage 106a to discharge the purified air through the lower center portion (see FIG. 3A).

3B, the exhaust filter unit 130 is installed on a side surface 101a of the cleaner main body 101 and includes an exhaust filter receiving portion 131, a filter member 134, and an exhaust filter cover 133 .

The exhaust filter receiving portion 131 is integrally formed to extend from the side surface 101a of the cleaner main body 101 in an elliptical shape. A filter receiving groove 131a is formed at the center of the exhaust filter receiving portion 131 so that the filter member 134 is mounted. A first communication hole 135 is formed on the inner bottom surface of the filter accommodating groove 131a to communicate the motor exhaust passage 106b of the motor chamber portion 106 and the filter accommodating groove 131a. The exhaust filter receiving portion 131 has a second communicating hole 137 formed in the side surface thereof in the longitudinal direction. The second communication port 137 communicates with the interior of the nose drill assembly 150 arranged adjacent to the exhaust filter unit 130 at right angles.

The filter member 134 is formed in a rectangular wrinkle filter shape and is seated in a filter receiving groove 131a formed in the exhaust filter receiving portion 131. [ Although the present embodiment has been described in the form of a wrinkle filter, any material that can filter impurities such as carbon powder from the air discharged through the motor exhaust passage 106b can be used.

The exhaust filter cover 133 is rotatably installed in the exhaust filter accommodating portion 131 so as to cover the filter member 134. One side of the exhaust filter cover 133 is rotatably coupled to the exhaust filter accommodating portion 131 by a hinge 136 and the other side of the exhaust filter cover 133 is selectively coupled to the exhaust filter accommodating portion 131 A pair of locking members 139 are formed so as to be spaced apart from each other. At this time, the exhaust filter receiving portion 131 is formed with a pair of locking grooves 132 to which the locking member 139 is coupled.

On the other hand, the exhaust filter cover 133 is formed with an extension portion 138 between a pair of locking members 139. When the exhaust filter cover 133 rotates to close the exhaust filter housing portion 131 so that the exhaust filter cover 133 covers the filter member 134, the locking member 139 is engaged with the locking groove 132, The portion 138 covers the second communication port 137. [ Accordingly, the purified air passing through the filter member 134 is converted into a right angle by the extension portion 138, and is moved into the interior of the nose drill assembly 150 through the second communication hole 137.

The nose drill assembly 150 is disposed on the rear surface 101b of the cleaner body 101 so as to be perpendicular to the exhaust filter unit 130. [ A power cord (not shown) is wound around the inside of the nose drill assembly 150 and an exhaust grill 155 having a cylindrical grill for discharging the purified air to the outside is formed. Since the conventional cord drill assembly 150 is used, detailed description of the configuration is omitted.

3A to 3E, the flow of the flow of the upright type vacuum cleaner 100 according to the first embodiment will be described.

Fig. 3A is a view showing the flow of air in the motor chamber, Fig. 3B is a view showing a state where air is introduced into the exhaust filter accommodating portion from the motor chamber, Fig. 3C is a view FIG. 3D is a view showing a state where air is moved from the exhaust filter unit into the nose drill assembly, and FIG. 3E is a view showing a state in which air is discharged from the nose drill assembly to the outside.

When power is applied to the suction motor 160, a suction force is generated, and air including dust from the surface to be cleaned flows into the dust collecting unit 120 through the nozzle assembly 110 and the hose 20. The introduced air is separated from dust in the cyclone part 121, the separated dust is stored in the dust collecting container 123, and the purified air is filtered again by the pre-motor filter part 125 (see FIG. 1 Reference)

3A, the cleaned air is discharged to the lower portion of the pre-motor filter 125 to move to the motor suction passage 106a, and is discharged through the motor discharge hole 161 through the suction motor 160, And then discharged to the discharge port 106b.

The air exhausted from the motor exhaust passage 106a flows into the filter accommodating groove 131a of the exhaust filter accommodating portion 131 through the first communication hole 135 as shown in Figure 3b, Impurities such as carbon powder that is discharged from the suction motor 160 by the filter member 134 while being moved toward the exhaust filter cover 133 are filtered.

Thereafter, as shown in FIG. 3D, the purified air that has moved between the exhaust filter cover 133 and the filter member 134 is converted into a right angle by the extension portion 138, and then flows through the second communication hole 137 3E, after the power cord (not shown) wound inside the nose drill assembly 150 is cooled, the nose of the exhaust grill 150 installed at the rear of the nose drill assembly 150 is cooled, (155).

On the other hand, the user releases the locking member 139 from the locking groove 132 by pushing the locking member 139 of the exhaust filter cover 133 to clean the exhaust filter 134, The filter member 134 attached to the filter accommodating groove 131a is taken out to clean the impurities adhering to the filter member 134 or replaced with a new filter member 134 can do.

As described above, the vacuum cleaner 100 according to the present embodiment can clean the filter member 134 by separating the filter member 134 from the vacuum cleaner only by rotating the exhaust filter cover 133 to open the exhaust filter receiving portion 131, It is possible to replace the battery 134.

The exhaust filter unit 130 according to the present embodiment serves to remove the impurities in the air discharged from the suction motor 160 and to switch the flow of the purified exhaust air from which the impurities are removed.

The exhaust filter cover 133 of the present embodiment is integrally formed with the extension portion 138 so that the exhaust filter cover 133 covers the filter member 134 as well as the function of covering the filter member 134 from the exhaust filter unit 130, And also serves as a duct for orthogonally converting the flow of air moving to the assembly 150.

Since the exhaust filter unit 130 and the nose drill assembly 150 of this embodiment are disposed adjacent to and perpendicular to each other to communicate with each other, the air discharged from the exhaust filter unit 130 is diverted to be supplied to the nose assembly 150 And then discharged to the outside of the vacuum cleaner 100.

Hereinafter, an upright type vacuum cleaner 200 according to a second embodiment of the present invention will be described with reference to FIGS. 4 and 5. FIG.

The vacuum cleaner 200 according to the present embodiment is different from the vacuum cleaner 100 according to the first embodiment in that the nose drill assembly 250 is installed on the side surface 201a of the cleaner main body 201 and the exhaust filter unit 230, Is provided on the rear surface (201b) of the cleaner main body (201). Therefore, only the configuration that is compared with the first embodiment will be described in this embodiment.

The vacuum cleaner 200 is provided with an exhaust filter unit 230 on the rear surface 201b of the cleaner main body 201 and a nose drill assembly 250 installed on the side surface 201a of the cleaner main body 201. At this time, the exhaust filter unit 230 and the nose drill assembly 250 are partially adjacent to each other and installed to communicate with each other. Accordingly, the exhaust filter unit 230 and the nose drill assembly 250 are arranged substantially at right angles.

The exhaust filter unit 230 includes an exhaust filter receiving portion 231, a filter member 234, and an exhaust filter cover 233.

The exhaust filter receiving portion 231 is formed on the rear surface 201b of the cleaner body 230 and the filter receiving groove 231a is formed in the center as shown in FIG. A first communication hole 235 is formed below the filter receiving groove 231a. The first communication hole 235 is formed in a grill shape to communicate the motor exhaust passage 206b and the filter accommodating groove 231a.

Referring to FIG. 6C, the filter member 234 is formed in a rectangular wrinkle filter shape, and is seated in the filter accommodating groove 231a formed in the exhaust filter accommodating portion 231. Although the present embodiment has been described in the form of a wrinkle filter, any material that can filter impurities such as carbon powder from the air exhausted through the motor exhaust passage 206b can be used.

The exhaust filter cover 233 is rotatably installed in the exhaust filter accommodating portion 231 so as to cover the filter member 234. The hinge portion and the locking means for selectively opening the exhaust filter accommodating portion 231 of the exhaust filter cover 233 are the same as those of the vacuum cleaner 100 of the first embodiment. On the other hand, the exhaust filter cover 233 has an extension portion 238 formed on the side surface thereof.

The cock drill assembly 250 is disposed on the side surface 201a of the cleaner body 201 so as to be perpendicular to the exhaust filter unit 230. [ A power cord (not shown) is wound around the inside of the nose drill assembly 250. An exhaust grill 155 having a cylindrical grill for discharging the purified air to the outside is formed at a front portion thereof, 250 are formed on the rear side of the exhaust filter unit 230 at a position adjacent to the exhaust filter unit 230. The extension portion 238 and the second communication hole 253 are formed in a corresponding shape so that the exhaust filter cover 233 is rotated so as to cover the filter member 234, The portion of the air that moves from the exhaust filter unit 230 to the interior of the cock drill assembly 250 while the claw drill inlet 253 and the extension portion 238 of the exhaust filter cover 233 are engaged, Thereby forming a flow path.

6A to 6D, the flow of the flow of the upright type vacuum cleaner 200 according to the second embodiment will be described.

Fig. 6A is a view showing the flow of air in the motor chamber, Fig. 6B is a view showing a state in which air is introduced into the exhaust filter accommodating portion from the motor chamber, Fig. 6C is a cross- 6D is a view showing a state in which air is discharged from the nose drill assembly to the outside. Fig.

The process of separating dust from air in the dust collecting unit 220 including the dust introduced from the nozzle assembly 210 is the same as that in the first embodiment, so a description thereof will be omitted.

6A, the air purified by the pre-motor filter 225 is discharged to the lower portion of the motor suction passage 206a to be discharged through the motor discharge hole 261 through the suction motor 260, And is discharged to the discharge port 206b.

The air discharged to the motor exhaust channel 206a flows into the filter accommodating groove 231a through the first communication hole 235 of the exhaust filter accommodating portion 231 formed on the rear surface 201a of the cleaner body 201, The impurities such as carbon powder discharged from the suction motor 260 are filtered by the filter member 234 while moving toward the exhaust filter cover 233 as shown in FIG. 6C. Thereafter, the purified air that has moved between the exhaust filter cover 233 and the filter member 234 passes through the duct formed by the extension portion 238 and the second communication opening 253 into the interior of the nose drill assembly 250 (Not shown) wound into the nose drill assembly 250 and then discharged to the outside through an exhaust grill 255 formed in front of the nose drill assembly 250 as shown in FIG. 6D .

The user rotates the exhaust filter cover 233 to open the exhaust filter receiving portion 231 in order to clean the exhaust filter 234 and then takes out the filter member 234 attached to the filter receiving groove 231a Impurities adhered to the filter member 234 can be cleaned or replaced with a new filter member 234.

As described above, in the vacuum cleaner 200 according to the present embodiment, the filter member 234 can be cleaned or replaced by rotating the exhaust filter cover 233 to separate the filter member 234 from the vacuum cleaner 200 Do.

The exhaust filter unit 230 of this embodiment serves to remove impurities in the air exhausted from the suction motor 260 and also to switch the flow of purified exhaust air from which the impurities have been removed.

The exhaust filter cover 233 of the present embodiment is integrally formed with the extension portion 238 so that the exhaust filter cover 233 covers the filter member 234 as well as the function of covering the filter member 234 from the exhaust filter unit 230, And acts as a duct to move to the assembly 250.

In addition, since the exhaust filter unit 230 and the cock drill assembly 250 of this embodiment are disposed adjacent to and perpendicular to each other to communicate with each other, the air discharged from the exhaust filter unit 230 is diverted, And then discharged to the outside of the vacuum cleaner 200.

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

Fig. 2 is a perspective view showing a state in which the filter member is omitted in Fig. 1 and the exhaust filter cover is rotated;

FIG. 3A is a view showing the flow of air in the motor chamber in FIG. 1,

FIG. 3B is a view showing a state in which air is introduced into the exhaust filter accommodating portion from the motor chamber in FIG. 1,

FIG. 3C is a view showing a state in which the air passes through the filter member in the exhaust filter accommodating portion in FIG. 1,

FIG. 3D is a view showing a state in which air is moved from the exhaust filter unit into the nose drill assembly in FIG. 1,

FIG. 3E is a view illustrating a state in which air is discharged from the nose drill assembly to the outside in FIG. 1, and FIG.

4 is a perspective view of a vacuum cleaner according to a second embodiment of the present invention,

5 is a perspective view showing a state in which the exhaust filter cover is opened in FIG. 4

FIG. 6A is a view showing the flow of air in the motor chamber in FIG. 4,

FIG. 6B is a view showing a state where air is introduced into the exhaust filter accommodating portion from the motor chamber in FIG. 4,

FIG. 6C is a view showing a state in which air is passed through the filter member in the exhaust filter accommodating portion to the nose drill assembly in FIG. 4,

FIG. 6D is a view showing a state in which air is discharged to the outside from the nose drill assembly in FIG.

Description of the Related Art

101, 201 ... cleaner main body 106, 206 ... motor chamber part

110, 210 ... nozzle assembly 120, 220 ... collecting unit

130, 230 ... exhaust filter units 131, 231 ... exhaust filter accommodating portion

131a, 231a ... filter receiving grooves 133, 233 ... exhaust filter cover

134, 234 ... filter members 135, 235 ... first communication hole

137, 253 ... second communication hole 150, 250 ... nose drill assembly

155, 255 ... exhaust grill 160, 260 ... suction motor

Claims (9)

A cleaner body having a motor chamber equipped with a suction motor and having a front surface, two side surfaces and a rear surface; An exhaust filter unit installed on one side of the cleaner body for filtering impurities from the air discharged from the suction motor; And And a cord drill assembly installed on the other surface of the cleaner main body and including a power cord, Wherein one surface of the cleaner body on which the exhaust filter unit is installed and the other surface of the cleaner main body on which the nose drill assembly is installed are different surfaces and the exhaust air discharged from the exhaust filter unit is changed in direction, After cooling the power cord, exits the cord drill assembly, Wherein the exhaust filter unit includes an exhaust filter accommodating portion, a filter member mounted on the exhaust filter accommodating portion, and an exhaust filter cover that opens and closes the exhaust filter accommodating portion, A communicating hole communicating with the nose drill assembly is formed on a side surface of the exhaust filter accommodating portion, Wherein the exhaust filter cover includes an extension portion for guiding the air that has passed through the filter member to move into the interior of the nose drill assembly in a state where the exhaust filter accommodating portion is closed, Wherein the extension portion is positioned so as to correspond to the communication hole when the exhaust filter cover is closed with the exhaust filter housing portion. The method according to claim 1, Wherein the exhaust filter unit is installed on a side surface of the cleaner main body, Wherein the cord drill assembly is installed adjacent to and in communication with the rear surface of the cleaner main body. The method according to claim 1, Wherein the exhaust filter unit is installed on a rear surface of the cleaner main body, Wherein the cord drill assembly is installed adjacent to and in communication with a side surface of the cleaner main body. The method according to claim 1, The exhaust filter cover includes a hinge portion rotatably connected to the exhaust filter housing portion. The other end of the exhaust filter cover is provided with a pair of locking portions spaced apart from each other for selectively locking the exhaust filter housing portion Wherein the vacuum cleaner is a vacuum cleaner. 5. The method of claim 4, And the extending portion is provided between the pair of locking portions. delete delete The method according to claim 1, Wherein the exhaust filter unit has a function of removing impurities in the air exhausted from the suction motor and a function of switching the flow of the purified exhaust air from which the impurities are removed. The method according to claim 1, Wherein the exhaust filter unit and the nose drill assembly are protruded from the cleaner main body.

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