KR102639773B1 - Air Cleaner - Google Patents

Abstract

The present invention relates to an air purifier, and the air purifier according to an embodiment of the present invention includes a blower including a discharge guider with an air discharge port formed on the upper side; and a wind direction control device that guides the air discharged through the air discharge port in a radial outer direction, wherein the wind direction control device is disposed on an upper side of the discharge guider so as to be movable up and down, and extends in the radial direction to allow the air to flow when descending. a plurality of guide bodies each provided with a shielding plate that closes a portion of the discharge port; It includes at least one first gear that moves each of the plurality of guide bodies, so that only a local area of the discharge port can be opened through the upward movement of the shield plate, allowing air to be discharged intensively only in the direction desired by the user. There is an advantage to being able to

Description

Air Purifier {Air Cleaner}

The present invention relates to an air purifier, and more specifically, to a wind direction control device that adjusts the flow direction of air discharged from a blower.

An air purifier is a device that sucks in polluted indoor air, goes through a series of cleaning processes, and then supplies clean air.

The air discharged from the air purifier causes comfort to the user, and as a result, the demand for air purifiers that can freely control the direction of the air discharged from the air purifier is increasing.

Korean Patent No. 10-1916887 discloses a method of controlling the flow direction of air discharged from an air purifier by simultaneously rotating an air guide with an annular first discharge port and a rotation guide for rotating the air guide. As the guide's rotation radius range was narrow and the air guide and rotation guide rotated simultaneously, there was a problem of requiring a high-output motor.

Korean Patent Publication No. 10-2018-0065358 discloses an air purifier in which an elastic member is placed in the area where load is generated by rotation in order to improve the durability of the parts generated by the rotation of the air guide and rotation guide. , in order to solve the problem of the narrow turning radius range, there was a problem that durability could not be guaranteed with only elastic members.

Korean registered patent 10-1916887 Korean Patent Publication No. 10-2018-0065358

The object of the present invention is to provide an air purifier that can easily control the flow direction of discharged air.

Another object of the present invention is to provide an air purifier that can selectively and intensively discharge air toward a localized area.

Another object of the present invention is to provide an air purifier that can be implemented by selecting a mode for discharging air in a 360-degree direction and a mode for discharging air to a local area, as needed.

Another task of the present invention is to make the product spatially compact by utilizing the empty space within the cleaning device.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

In order to achieve the above object, an air purifier according to an embodiment of the present invention includes a blower including a discharge guider with an air discharge port formed on the upper side; and a wind direction control device that guides the air discharged through the air outlet in a radial outer direction, thereby limiting the upward flow of the air discharged through the air outlet.

The wind direction control device includes a plurality of guide bodies disposed on an upper side of the discharge guider so as to be movable up and down, each having a shielding plate that extends in the radial direction and closes a portion of the air discharge port when lowered; It includes at least one first gear that moves each of the plurality of guide bodies, and adjusts the direction of air discharged from the discharge guider according to the vertical movement of each of the guide bodies.

Each of the plurality of guide bodies extends downward from the shielding plate and includes a shielding side wall at least a portion of which is recessed into the inside of the blower, and the shielding plate can be stably raised and lowered by the shielding side wall.

The wind direction control device may further include a support rod disposed on the inner peripheral surface of the shielding side wall and engaged with the first gear, and the support rod is formed with a plurality of teeth in the upper and lower directions, applying a rack and pinion structure. Thus, the up-and-down motion of the guide body can be implemented.

The support rod is formed with a stopping rib that limits the vertical movement of the support rod, thereby preventing separation of the support rod and the first gear.

The discharge guider includes a gear housing that accommodates the first gear, so that the first gear can be stably accommodated inside the discharge guider.

A circumferential gap is formed between the plurality of guide bodies, thereby reducing friction generated between the guide bodies when the guide bodies move up and down.

The blower may further include a discharge grill disposed above the discharge guider, and the shielding plate may descend to shield a portion of the discharge grill.

An annular seating rim may be formed on the outside of the discharge grill, a lower surface of the shielding plate may be lowered to contact the seating rim, and a rib protruding toward the discharge grill may be formed on the lower surface of the shielding plate, The shielding plate can be lowered and stably seated on the discharge grill.

The wind direction control device may further include a lifting guider that is connected to the blower and guides the vertical movement of the floating guider, and may support the vertical movement of the floating guider.

The lifting guider includes an inner frame spaced radially inward from the discharge grill; It may include an outer frame extending radially outward from the inner frame, and the outer frame forms a stopping groove that limits the vertical movement of the guide body, thereby preventing the guide body from being removed. there is.

The outer frame includes an outer base extending radially outward from the inner frame; an outer cylinder extending upward from the outer base; It may include an upper plate extending radially outward from the outer cylinder, and the gap between the upper plate and the discharge guider is smaller than the height of the support rod, thereby preventing separation of the support rod and the first gear. can do.

The wind direction control device further includes a roller disposed on the inside of the shielding side wall, and can stably support the up-and-down movement of the guide body.

The roller includes a shaft connected to the shielding side wall; It is connected to the shaft and includes a bearing at least partially rotatable, so that friction between the roller and the guide body can be minimized.

The rollers are disposed at both circumferential ends of the shielding side wall, and can equally support the load of the guide body.

The lifting guider may have a roller receiving portion into which the roller is inserted, thereby restricting the upward movement of the roller.

An air purifier according to an embodiment of the present invention includes an upper blower disposed above the lift guider; It may further include a cap disposed on the upper side of the lift guider and connected to the upper blower device, so that the blower device and the upper blower device can be connected.

The upper blower device includes a display unit that displays driving information of the wind direction control device; It is possible to control the motion of the wind direction control device, including a control unit that controls the operation of the wind direction control device.

Specific details of other embodiments are included in the detailed description and drawings.

According to the air purifier of the present invention, one or more of the following effects are achieved.

First, there is an advantage that only a local area of the discharge port can be opened through the upward movement of the shield plate, allowing air to be discharged intensively only in the direction desired by the user.

Second, since each guide body of the wind direction control device moves up and down independently, there is also an advantage that it is easy to switch between the 360-degree omnidirectional discharge mode and the local area discharge mode according to the user's needs.

Third, there is also the advantage of spatially compacting the product by arranging the motor and gear in the empty space within the discharge guider and allowing the guide body to rise and fall through the connecting neck of the wind direction control device.

Fourth, in the driving method of the wind direction control device that limits the discharge direction, there is also the advantage of preventing interference between motions between components when driving the wind direction control device by simplifying the driving motion to only the up and down movement of the guide body.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of an air purifier according to an embodiment of the present invention.
Figure 2 is a perspective view of an air purifier with the case removed according to an embodiment of the present invention.
Figure 3 is a cross-sectional view taken along line AA' of the structure shown in Figure 2.
Figure 4 is an exploded perspective view of a blower according to an embodiment of the present invention.
Figure 5 is a front view of a blower and wind direction control device according to an embodiment of the present invention.
Figure 6(a) is a diagram showing the discharge grill in a shielded state according to an embodiment of the present invention.
Figure 6(b) is a diagram showing the discharge grill in a right-open state according to an embodiment of the present invention.
Figure 6(c) is a diagram showing the discharge grill in a left-open state according to an embodiment of the present invention.
Figure 7(a) is a diagram showing a fully open state of the discharge grill according to an embodiment of the present invention.
Figure 7(b) is a diagram showing a fully shielded state of the discharge grill according to an embodiment of the present invention.
Figure 8 is a perspective view showing a guide body and roller according to an embodiment of the present invention.
Figure 9(a) is a diagram showing the guide body in an elevated state according to an embodiment of the present invention.
Figure 9(b) is a diagram showing a lowered state of the guide body according to an embodiment of the present invention.
Figure 10 is a front view of the guide body in an elevated state according to an embodiment of the present invention.
FIG. 11 is a longitudinal cross-sectional view of the structure also shown in FIG. 10.
Figure 12 is an enlarged view of the area near the first gear shown in Figure 11.
Figure 13 is a cross-sectional view taken along line BB' shown in Figure 10.
Figure 14(a) is a cross-sectional view cut along the line AA' shown in Figure 10 with the guide body in an elevated state.
Figure 14(b) is a cross-sectional view cut along the line AA' shown in Figure 10 when the guide body is in a lowered state.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms. The present embodiments are merely provided to ensure that the disclosure of the present invention is complete and to be understood by those skilled in the art. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to drawings for explaining an air purifier according to embodiments of the present invention.

Referring to Figure 1, the overall appearance of the air purifier according to an embodiment of the present invention can be seen.

The air purifier 10 according to an embodiment of the present invention includes a blower 100 disposed at the bottom to generate air flow, and an upper blower 200 disposed above the blower 100 to generate air flow. ) and may include a wind direction change device 300 that changes the direction of the flow discharged from the upper blower 200.

The exterior of the blower 100 may be formed by the first case 101, and the overall shape of the first case 101 may be cylindrical. Additionally, the exterior of the upper blower 200 may be formed by the second case 201, and the overall shape of the second case 201 may be cylindrical.

The first case 101 and the second case 201 may have a diameter of the upper side that is smaller than that of the lower side, and may therefore have a cone-shaped shape with a truncated end.

The first case 101 may include a first separator 101a where the two parts constituting the first case 101 are combined or separated, and the second case 201 may include a first separator 101a where the two parts constituting the first case 101 are coupled or separated. ) may include a second separator 201a where the two parts constituting the part are combined or separated. Additionally, a hinge portion (not shown) that rotates the two parts relative to each other may be disposed opposite the two separating portions 101a and 201a.

When at least one of the two parts described above rotates, the cases 101 and 201 may be opened and separated from the main body of the air purifier 10. Accordingly, the internal parts of the cleaning devices 100 and 200 can be replaced or repaired by opening the cases 101 and 201.

A first suction part 102 having a plurality of through holes through which external air is sucked is disposed on the outer circumferential surface of the first case 101, and a plurality of through holes through which external air is sucked are formed on the outer circumferential surface of the second case 201. A second suction part 202 having a through hole is disposed. Accordingly, external air can flow into the air purifier 10 from a 360-degree direction.

A base 20 in contact with the ground may be placed below the blower 100, and the base 20 may be arranged to be spaced downward from the blower 100. A base suction part 103 through which external air flows into the blower 100 may be formed in the space between the base 20 and the blower 100 (see FIG. 2).

The air introduced into the blower 100 may be discharged to the outside through the discharge grill 190 disposed on the upper side of the blower 100 after going through a series of cleaning operations. At this time, a plurality of first discharge ports 105 opening toward the upper side may be formed on the upper surface of the discharge grill 190 and spaced apart in the circumferential direction. Accordingly, the discharge grill 190 may have an open first discharge port ( 105) may be in the form of a circular grill. Meanwhile, the first discharge port 105 refers to an open area through which air is discharged from the blower 100. Accordingly, the first discharge port 105 can be formed in the discharge grill 190 as well as the discharge guider. It may also mean an area opened toward the top formed inside (180).

The air introduced into the upper blower 200 may be discharged to the outside through a plurality of second discharge ports 305 formed on the upper side of the upper blower 200 after going through a series of cleaning operations. At this time, the plurality of second discharge holes 305 may be formed to have a grill shape along the circumference of the upper side of the wind direction changing device 300.

A display unit 600 that displays operation information of the air purifier 10 may be provided on the upper part of the wind direction changing device 300. The display unit 600 can move integrally with the wind direction changing device 300 according to the movement of the wind direction changing device 300.

A wind direction control device 400 is disposed between the blower 100 and the upper blower 200 to limit the upward flow of air discharged through the discharge guider 180. At this time, the meaning of 'limiting the upward flow' means that the air discharged to the outside through the first discharge port 105 after the cleaning action in the blower 100 does not flow toward the user or the external space, This can be interpreted as preventing direct inflow into the upper blower 200. A detailed description of the wind direction control device 400 will be described later.

Referring to FIG. 2, the internal structure of the air purifier 10 according to an embodiment of the present invention can be seen with the cases 101 and 201 removed.

As described with reference to FIG. 1, a base 20 in contact with the ground may be disposed at the lower part of the air purifier 10, and the base 20 is spaced apart vertically from the blower 100, and the base suction part ( 103) can be formed. The air flowing into the base suction unit 103 may flow upward and flow into the lower grill 110 disposed at the bottom of the blower 100, and the third suction formed in the circumferential direction of the lower grill 110. It may flow upward through part 112.

Inside the blower 100, a first filter 120 may be disposed to correspond to the first suction part 102 (see FIG. 1), and the first filter 120 has a cylindrical shape and acts as a first suction unit. Air flowing into the unit 102 may flow in from a 360-degree direction.

The first filter 120 can be stably fixed/supported inside the blower 100 by the first filter cover 136 coupled to the outside of the first filter support part 135 (see FIG. 4), which will be described later. there is.

A sensor device 137 including a dust sensor that measures the amount of dust contained in the incoming air and a gas sensor that measures the amount of gas may be disposed on the upper side of the first filter 120.

A first fan housing 150 that accommodates a first blowing fan 160 (see FIG. 4), which will be described later, may be disposed on the upper side of the sensor device 137. In more detail, the first fan housing 150 is the first fan housing 150. 1 It may be placed on the outlet side of the filter 120.

A lower air guider 170 may be disposed on the upper side of the first fan housing 150 to guide the flow of air blown by the first blowing fan 160 (see FIG. 4).

A discharge guider 180 may be disposed on the upper side of the lower air guider 170, which is coupled to the upper side of the lower air guider 170 and guides the air passing through the lower air guider 170 to the discharge grill 190. .

A discharge grill 190 may be disposed inside the discharge guider 180 to provide a flow path through which air passing through the discharge guider 180 is discharged to the outside of the blower 100. At this time, the first discharge port 105 opened toward the top may be formed along the circumference of the discharge grill 190, or may refer to the area itself opened toward the top of the discharge guider 180. In addition, as a plurality of first discharge ports 105 are formed on the upper side of the discharge grill 190 and spaced apart from each other in the circumferential direction, a plurality of first discharge ports 105 are formed on the upper side of the discharge grill 190. The shape of a circular grill may be formed.

A wind direction control device 400 is disposed on the upper side of the discharge grill 190 to separate the blower 100 and the upper blower 200. The wind direction control device 400 restricts the upward flow of air discharged from the discharge grill 190, and the detailed driving principle for this will be described later.

The upper blower 200 may be spaced apart from the blower 100 by the wind direction control device 400 and may be structurally and functionally similar to the blower 100.

At this time, being structurally and functionally similar to the blower 100 means that each component constituting the upper blower 200 may correspond to the components constituting the blower 100 and has the same functional function. It may mean performing.

In more detail, the second filter 220 of the upper blower 200 includes the first filter 120, the second filter support cover 236 includes the first filter cover 136, and the second fan housing 250. The first fan housing 150, the first upper guider 270 may correspond to the lower air guider 170, and the second upper guider 280 may correspond to the discharge guider 180, respectively, and functionally The same functions as those performed by each component in the blower 100 can be performed. Therefore, since the description of each component of the upper blower 200 is the same as the description of each component of the blower 100, detailed description thereof will be omitted. Additionally, installation of the upper blower 200 above the blower 100 may be optional, and thus only the blower 100 may be installed alone.

FIG. 3 is a cross-sectional view of the air purifier 10 according to an embodiment of the present invention along the line A-A' shown in FIG. 2. Referring to FIG. 3, the detailed internal structure of the air purifier 10 according to an embodiment of the present invention can be confirmed.

The air introduced into the blower 100 through the first suction part 102 (see FIG. 1) formed in the first case 101 may pass through the first filter 120, and at this time, the first filter ( 120) may be fixed/supported by the first filter support 135 disposed outside the first filter 120.

The air that has passed through the first filter 120 can flow upward and flow into the first blowing fan 160 through the first fan inlet 151, and is blown upward by the first blowing fan 160. Thus, it can flow upward through the first fan housing 150, the lower air guider 170, the discharge guider 180, and the discharge grill 190 in that order. At this time, the first blowing fan 160 is connected to the first fan motor 165 and can rotate by receiving power from the first fan motor 165.

The air blown upward by the first blowing fan 160 is discharged to the outside of the blower 100 through the discharge grill 190, and the upward flow is restricted by the wind direction control device 400, It flows in the radial direction of the air purifier (10).

An annular second lever 560 that supports the second filter 220 or the first lever may be disposed on the upper side of the wind direction control device 400.

Air introduced into the upper blower 200 through the second suction part 202 (see FIG. 1) formed in the second case 201 may pass through the second filter 220 and flow upward.

The air flowing upward can be blown upward by the second blowing fan 260 that is connected and rotates to the second fan motor 265, and is connected to the second fan housing 250 and the first upper guider 270. It can flow upward by sequentially passing through and the second upper guider 280.

A wind direction change device 300 may be movably installed on the upper side of the second upper guider 280, and the air discharged from the second upper guider 280 is formed on the upper side of the wind direction change device 300. It can be discharged to the outside through the second discharge port 305. At this time, the wind direction change device 300 is installed so that the air that has passed through the first upper guider 270 can be smoothly discharged to the outside through sequentially passing through the second upper guider 280 and the second outlet 305. A third blowing fan 330 that is connected to and rotates with the third fan motor 335 may be disposed.

In order to control the flow direction of the air discharged to the outside through the second discharge port 305 by the third blowing fan 330, the wind direction changing device 300 is connected to the upper gear motor 363 and rotates. It may be mechanically connected to (360), and the wind direction changing device (300) rotates in a predetermined direction by the rotation of the upper gear (360) to change the flow direction of the air discharged to the outside through the second discharge port (305). You can.

Operation information of the air purifier 10 is displayed on the upper side of the wind direction change device 300, and a display unit 600 that controls the operation of the air purifier 10 may be disposed, and the display unit 600 is a control unit. It may include (618). The control unit 618 may be placed in the space between the upper side of the wind direction changing device 300 and the third blower fan 330, and a PCB board may be used as the control unit 618. The control unit 618 is electrically connected to the wind direction control device 400, which will be described later, and can control the operation of the wind direction control device 400.

Figure 4 shows the configuration of the base 20 and the blower 100 in detail. Hereinafter, with reference to FIG. 4, the base 20, the lower grill 110, the support device 140, the first filter 120, the first filter frame 130, and the first fan housing ( The detailed configuration and connection relationship of 150), lower air guider 170, and first blowing fan 160 will be described. In addition, the contents of each configuration described with reference to FIG. 4 can be equally applied to each configuration of the upper blower 200 corresponding to the blower 100.

The base 20 includes a base body 21 placed on the ground and a base protrusion 22 that protrudes upward from the base body 21 and onto which the suction grill 110 is seated. The base protrusion 22 may be provided on both sides of the base 20, and the base main body 21 and the suction grill 110 are spaced apart from each other by the base protrusion 22, so that the base 20 and the suction grill 110 are spaced apart from each other. ) The base suction part 103 may be formed between them.

A third suction portion 112 composed of a plurality of suction holes 112a may be formed on the edge 111a of the lower grill 110, and a ring-shaped grill body 111 extends inward from the edge 111a. It can be. A grill groove 114 may be formed in a portion of the grill body 111, and the grill groove 114 may be understood as a space in the edge 111a where the suction hole 112a is not formed. Additionally, a plurality of filter guides 113 that guide the upward or downward movement of the first filter 120 may protrude from the upper surface of the grill body 111, spaced apart in the circumferential direction.

The first filter 120 may be cylindrical, surrounded by a filter body 121 and with a filter hole 122 formed therein, and a filter holding portion 121a may protrude from the lower side of the filter body 121.

The first lever 142, which is provided on the upper side of the lower grill 110 and can be operated by the user, may be installed to be rotatable in the circumferential direction. The first lever 142 may be annular and may include a lever body 143 that forms the overall outline. A plurality of cutouts 145 may be formed in the lever body 143 at positions corresponding to the filter guide 113, and the cutouts 145 may be understood as through holes formed in the lever body 143. there is. The filter guide 113 may be inserted into the cutout 145 and protrude upward from the lever body 143. A second handle 144 may be provided on the outer peripheral surface of the lever body 143, and the second handle 144 may be provided with a movable space by the grill groove 114.

A support device 140 supporting the first filter 120 may be disposed on the upper side of the first lever 142, and a filter guide (140) protrudes toward the upper side of the lever body 143 on the bottom of the support device 140. A support protrusion (not shown) in contact with 113) may be formed. The support device 140 may include a first handle 141 coupled to the second handle 144, and the user holds the handles 141 and 144 to hold the lever body 143 and the support device 140. It can be rotated.

The description of the first lever 142 and the support device 140 described above can be equally applied to the second lever 560 of the upper blower 200.

A first filter frame 130 forming a mounting space for the first filter 120 may be disposed on the upper side of the support device 140, and the first filter frame 130 is located at the lower part of the first filter frame 130. It may include a first frame 131 forming a and a second frame 132 forming an upper part. A depression 131a that is depressed downward may be formed in the first frame 131, and the depression 131a is formed at a position corresponding to the grill groove 114 so that the handles 141 and 144 rotate. We can provide a space where you can do it. The first filter support portion 135 may be arranged to extend from the first frame 131 to the second frame 132, and may be arranged in a plurality in the circumferential direction along the edges of the frames 131 and 132. Can be placed spaced apart. A first filter cover 136 can be coupled to the outside of the first filter support 135, and the mounting space for the first filter 120 is provided by the frames 131 and 132 and the first filter support 135. This can be stipulated. The first filter 120 can be mounted in the mounting space, and the sensor device 137 can be placed in the first filter frame 130.

A first fan housing 150 forming a fan receiving portion 152 that accommodates the first blowing fan 160 may be disposed on the outlet side of the first filter 120. The first fan housing 150 may be supported by the first filter frame 130, and an ionizer 158 is disposed on the first fan housing 150 to remove/sterilize pollutants or odor particles in the air. It can be.

The first blowing fan 160 can be accommodated in the fan receiving portion 152, is connected to the first fan motor 165 and the first rotation shaft 165a, and is connected to the first fan by the first coupling portion 166. It can be connected to the motor 165. Additionally, the first coupling portion 166 may perform the function of fastening the first fan motor 165 to the lower air guider 170.

The lower air guider 170 may be disposed on the upper side of the first blowing fan 160, and may include a cylindrical first outer wall 171 and a cylindrical first inner wall located inside the first outer wall 171 ( 172) may be included. An air flow passage may be formed between the first outer wall 171 and the first inner wall 172, and a bowl-shaped first motor receiving portion 173 that accommodates the first fan motor 165. ) may be formed extending downward from the first inner wall 172 described above. At this time, the first rotation shaft 165a may extend downward from the first fan motor 165, penetrate the bottom of the first motor receiving portion 173, and then be coupled to the first blowing fan 160. A fastening rib 178 may be formed on the upper surface of the first motor receiving portion 173 to protrude upward and engage with the fastening guide 183 (see FIG. 6) formed at the lower part of the discharge guide 180. Between the first outer wall 171 and the first inner wall 172, a plurality of air guide ribs 175 extending from the first outer wall 171 to the first inner wall 172 may be formed spaced apart in the circumferential direction. And the air passing through the lower air guider 170 can be guided in the flow direction by the air guide rib 175.

Hereinafter, with reference to FIG. 5, the wind direction control device 400 according to an embodiment of the present invention will be described.

Figure 5 is a front view of the case 101 removed from the assembly in which the wind direction control device 400 is coupled to the blower 100 according to an embodiment of the present invention.

The discharge guider 180 may be disposed on the upper side of the blower 100, and the discharge grill 190 may be disposed on the upper side of the discharge guider 180, so that the air flowing into the blower 100 may be directed to the discharge grill 190. ) can be discharged to the outside of the blower 100.

The discharge guider 180 may be connected to the wind direction control device 400, and the wind direction control device 400 may be connected to the discharge guider 180 through a lifting guider 460, which will be described later.

The wind direction control device 400 may form a radius discharge port (G) between the discharge guider (180), and the air discharged from the discharge guider (180) flows within the radius discharge port (G) and then flows into the blower device. It can be discharged in a direction outside the radius of (100).

At this time, the radius discharge port (G) described above may be understood as the gap between the upper boundary of the discharge guider 180 and the wind direction control device 400, and can be used as a space through which the air discharged from the discharge grill 190 can flow. It can also be understood as the space between the discharge guider 180 and the wind direction control device 400.

A second lever 560 supporting the upper blower 200 may be disposed on the upper side of the wind direction control device 400. Accordingly, the upper blower 200 is disposed on the upper side of the blower 100 to blow air. It can be assembled integrally with the device 100. However, installation of the upper blower 200 is optional, and accordingly, the second lever 560 is not disposed on the upper side of the blower 100, and only the blower 100 can be installed alone.

Hereinafter, the driving motion of the wind direction control device 400 according to an embodiment of the present invention will be described with reference to FIGS. 6 and 7.

Figure 6(a) shows when the air outlet 105 formed in the discharge grill 190 is shielded by the lowering of the wind direction control device 400, and Figure 6(b) shows the wind direction control device 400 to be described later. ) shows a case in which only a portion of the plurality of guide bodies 430 is lowered and only a portion of the air discharge port 105 formed in the discharge grill 190 communicates with the outside, and FIG. 6(c) is shown in FIG. 6(b) This shows a case in which a guide body 430 other than the guide body 430 that descended in ) descends, and a part different from the air outlet 105 communicated in FIG. 6(b) communicates with the outside.

Referring to FIG. 6(a), it can be seen that the entire wind direction control device 400 is lowered to shield the entire 360-degree radius of the discharge grill 190.

This may mean that air cannot be discharged through the annular discharge grill 190 mounted on the upper side of the discharge guider 180. Therefore, in this case, the air flowing into the blower 100 cannot be discharged to the outside through the discharge guider 180.

Referring to FIG. 6(b), it can be seen that in the state of FIG. 6(a), a portion of the guide body 430 of the wind direction control device 400 rises, and a portion of the discharge grill 190 communicates with the outside. .

That is, in the case of FIG. 6(b), some of the guide bodies 430 rise in the state of FIG. 6(a), and the air that reaches the discharge grill 190 through the discharge guider 180 can be discharged to the outside. It forms a first region (S1). The first area S1 may refer to a partial area of the discharge grill 190 corresponding to the raised guide body 430. Accordingly, the first area S1 may have an arch shape composed of the air discharge port 105 formed in the discharge grill 190.

Referring to FIG. 6(c), it can be seen that in the state of FIG. 6(a), a portion of the guide body 430 of the wind direction control device 400 rises, and a portion of the discharge grill 190 communicates with the outside. . However, at least one guide body 430 among the guide bodies 430 that are raised in FIG. 6(c) may be the guide body 430 that is not raised in FIG. 6(b).

That is, in the case of FIG. 6(c), some of the guide bodies 430 rise in the state of FIG. 6(a), and the air that reaches the discharge grill 190 through the discharge guider 180 can be discharged to the outside. It forms a second region (S2). The second area S2 may refer to a partial area of the discharge grill 190 corresponding to the raised guide body 430. Accordingly, the second area S2 may have an arch shape composed of the air discharge port 105 formed in the discharge grill 190.

However, in the case of FIG. 6(c), as other guide bodies 430 other than the guide body 430 raised in FIG. 6(b) are raised, the first area S1 and the second area S2 are discharged. It is a distinct concept referring to different areas on the grill 190. For convenience of explanation, based on FIG. 6, FIG. 6(b) may be defined as a 'right open state', and FIG. 6(c) may be defined as a 'left open state'. This can be understood as, in the case of FIG. 6(b), the air flowing into the air purifier 10 is discharged to the right in the space where the air purifier 10 according to the embodiment of the present invention is placed, and in FIG. 6(c) In the case of , it can be understood that the air flowing into the air purifier 10 is discharged to the left.

The above-mentioned 'left open state' or 'right open state' is a concept explained as an example to explain the driving motion of the wind direction control device 400 according to an embodiment of the present invention. (400) is not limited to the above-described direction and can be modified into various embodiments by varying the open area.

Figure 7(a) shows a state in which all of the plurality of guide bodies 430 according to an embodiment of the present invention are raised and the entire area of the discharge grill 190 is open, and Figure 7(b) shows a state where a plurality of guide bodies 430 are raised. The entire guide body 430 is lowered to shield the entire area of the discharge grill 190.

Referring to FIG. 7(a), the plurality of guide bodies 430 can all rise to open the entire 360-degree radius of the discharge grill 190, and thus discharge the discharge grill (180) through the discharge guider 180. The air that reaches 190) can be discharged to the outside through all directions of 360 degrees.

Referring to FIG. 7(b), the plurality of guide bodies 430 can all descend to shield the entire 360-degree radius of the discharge grill 190, and thus the discharge grill ( Air that reaches 190) may not be discharged to the outside.

At this time, the flow of air through the discharge grill 190 can be controlled by the flow guider 420, and the flow guider 420 can be understood as a collection of a plurality of guide bodies 430. The floating guider 420 can be guided in an upward and downward motion by the lifting guider 460 connecting the cap 490 and the discharge guider 180 disposed on the upper side. Accordingly, each guide body 430 can move along the outer peripheral surface of the elevator guider 460 in Shanghai-dong. The guide body 430 can descend to shield a portion of the air discharge port 105 formed in the discharge grill 190, and a portion of the lower surface is an annular seating rim 191 formed on the radial outer side of the discharge grill 190. ) can come into contact with.

The overall external shape of the cap 490 may be a hollow ring-shaped, and includes a rim-shaped cap plate 491 extending upward from the radial outer side toward the inner side, and an upper blower 200 inside the cap plate 491. ) and a cap connection portion 492 formed to be capable of being combined with the cap.

The cap plate 491 has an outer edge that forms a predetermined discharge gap with the edge of the discharge guider 180, and extends in a radial inward direction from the outer edge to form a discharge space between the cap plate 491 and the discharge guider 180. can do. The cap plate 491 may be formed in a ring shape with a predetermined width in the radial direction, and may have a shape that protrudes upward toward the inner radius.

The cap connection part 492 is connected to the inner edge of the cap plate 491, and the blower 100 can be connected to the upper blower 200 through the cap connection part 492.

The cap plate 491 may be connected to the elevator guide 460 disposed on the lower side, and the second lever 560 may be connected to the upper side of the cap connection portion 492.

Hereinafter, with reference to FIG. 8, the guide body 430 and the roller 440 according to an embodiment of the present invention will be described.

Referring to FIG. 8, the structure of the single guide body 430 and its coupling relationship with the roller 440 can be confirmed.

A single guide body 430 can be understood as a unit constituting the flow guider 420, and a plurality of guide bodies 430 can be arranged in the circumferential direction to form the flow guider 420, which is an aggregate. The plurality of guide bodies 430 may be arranged in the circumferential direction along the air outlet 105 to cover the entire air outlet 105.

The guide body 430 includes a shielding plate 431 spaced apart from the upper side of the discharge grill 190 to correspond to the discharge grill 190, extends downward from the inner end of the shielding plate 431, and at least a portion of the guide body is a blower device. It may include a shielding side wall 432 leading into the inside of (100).

The overall external shape of the shielding plate 431 may be of an arch shape extending in the radial direction, and may be understood as a shape in which a portion of the ring is cut away. The shielding plate 431 may be arranged on the upper side and spaced apart from the discharge grill 190, and may have the same shape as the discharge grill 190. The shield plate 431 is arranged to be movable up and down, extends horizontally, closes a portion of the air outlet 105 when descending, and guides the air discharged between the air outlet 105 and the air outlet 105 in a radial outer direction when ascending. A gap (G) can be formed.

The shielding side wall 432 may extend downward from the inner edge of the shielding plate 431, and may have an arc-shaped cross section. The external shape of the shielding side wall 432 can be understood as a shape in which a portion of the outer wall of the cylinder is cut. The shielding side wall 432 may extend vertically from the shielding plate 431, and accordingly, the longitudinal cross-section of the shielding plate 431 and the shielding side wall 432 may have an 'L' shape. The shielding side wall 432 can prevent the air discharged from the air outlet 105 from flowing in the radial direction when rising.

A support rod 433 extending upward and downward may be disposed on the inner peripheral surface of the shielding side wall 432. The support rod 433 may have the form of a rack in which a plurality of gear teeth protruding inward in the radial direction are spaced apart in the vertical direction. However, the specific type of the support rod 433 is not limited to the rack, and other types of gears that can move the shield plate 431 and the shield side wall 432 up and down may be used. The rack formed on the support rod 433 can perform the function of a driven gear.

The support rod 433 is a separate component from the shielding side wall 432, and can be manufactured independently and assembled in a way that it is attached to the inner peripheral surface of the shielding side wall 432. Accordingly, the support rod 433 is attached to the shielding side wall 432. ) The position of the upper and lower surfaces placed on the inner circumferential surface can be adjusted. In addition, the support rod 433 may be manufactured as one piece with the shielding side wall 432, and may be formed to protrude radially inward from the inner peripheral surface of the shielding side wall 432.

The support rod 433 may be connected to a first gear 451b (see FIGS. 11 and 12), which will be described later, and the support rod 433 may be moved up and down by rotation of the first gear 451b. Therefore, in this case, the support rod 433 may be referred to as the second gear.

The height H of the support rod 433 may be higher than the height of the shielding side wall 432 extending in the vertical direction and may be larger than the vertical distance at which the radius discharge port G is formed (see FIG. 5). This may mean that the height (H) of the support rod 433 is greater than the vertical distance between the upper plate 483 and the discharge guider 180, which will be described later.

Stopping ribs 433a may be formed on the upper and lower ends of the support rod 433 to limit movement of the support rod 433 in the vertical direction. The stopping ribs 433a may be formed on both ends of the support rod 433, respectively, or may be formed on at least one of both ends. The stopping rib 433a may have a shape that protrudes more radially inward than the plurality of gear teeth of the support rod 433, and its upper or lower surface may extend parallel to the shield plate 431. The height H of the support rod 433 may be understood as the vertical distance between the stopping ribs 433a formed at both ends.

A shaft holder 434 protruding downward from the lower end may be formed on the shielding side wall 432. Shaft holders 434 may be formed on each of the step portions 432a formed at both circumferential ends of the shielding side wall 432, and two may be formed to form a pair of shaft holders 434.

The shaft holder 434 includes a holder plate 434b extending downward from the step portion 432a, an extender 434c extending radially inward from the holder plate 434b, and a through groove formed in the extender 434c ( 434a) may be included. At this time, the perimeter of the extender 434c may be rounded.

The shielding side wall 432 may be connected to the roller 440 through the shaft holder 434, and as the shaft holder 434 is formed at both ends of the shielding side wall 432 in the circumferential direction, as described above, the roller (440) Additionally, two shaft holders 434 formed at both ends may be connected. Accordingly, the pair of rollers 440 connected to both circumferential ends of the shielding side wall 432 can evenly support the load of the guide body 430 in the circumferential direction. However, the number of rollers 440 is not limited to the above, and may be designed in various embodiments within the scope of the purpose of guiding the vertical movement of the guide body 430 while supporting the load of the guide body 430. You can.

The roller 440 may include a shaft 441 that penetrates the through groove 434a and is coupled to the shielding side wall 432, and a bearing 442 that is connected to the shaft 441 and at least a portion of which is rotatable.

The bearing 442 may be arranged so that a portion protrudes outward in the circumferential direction of the guide body 430, and the overall shape of the bearing 442 may be cylindrical. The bearing 442 may be in contact with the inner peripheral surface of the inner body 181 of the discharge guider 180, which will be described later, when the shielding side wall 432 rises or falls, and the inner body ( 181) It can move up and down while rolling the inner circumferential surface. For this reason, the bearing 442 can use a type of bearing whose outer peripheral wall is designed to be rotatable, and preferably a ball bearing. However, the type of the bearing 442 described above is not limited to ball bearings, and the design can be modified in various embodiments within the scope of the purpose of guiding the vertical movement of the guide body 430 while supporting the load of the guide body 430. It can be.

Hereinafter, with reference to FIG. 9, the vertical movement of the guide body 430 according to an embodiment of the present invention will be described.

FIG. 9 is a perspective view of the guide body 430 in order to explain the vertical movement of the guide body 430 inside the structure shown in FIG. 7. Figure 9(a) shows when the guide body 430 is raised, and Figure 9(b) shows when the guide body 430 is lowered.

Depending on the vertical movement of the guide body 430, the shielding plate 431, the shielding side wall 432, the support rod 433, and the roller 440 can all move up and down as one piece, and when the guide body 430 moves up and down The shielding side wall 432 can move up and down along the outer peripheral surface of the outer cylinder 482 of the outer frame 480, which will be described later.

When the guide body 430 rises, the upper surface of the shield plate 431 may be in contact with the upper plate 483 of the outer frame 480, which will be described later, and the upper plate 483 is moved to the upper side of the guide body 430. movement can be restricted. In addition, a stopping groove 482a recessed radially inward may be formed on the outer peripheral surface of the outer cylinder 482, and the stopping rib 433a of the support rod 433 is inserted into the stopping groove 482a. The upward movement of the guide body 430 may be restricted.

When the guide body 430 is lowered, the lower surface of the shielding plate 431 may be in contact with the discharge grill 190, and the outer end of the shielding plate 431 is seated on the seating rim 191 of the discharge grill 190. It can be. Because of this, the discharge grill 190 may restrict downward movement of the guide body 430.

Hereinafter, with reference to FIG. 10 , the relationship between the plurality of guide bodies 430 will be described.

Figure 10 is a front view of the structure shown in Figure 7(a), showing each guide body 430 in an elevated state.

The discharge grill 190, which is formed by spaced apart a plurality of air discharge ports 105 in an annular shape, can be seated on the upper side of the discharge guider 180, and the shielding plate 431 is positioned so as to correspond to the discharge grill 190. ) can be placed on the upper side.

A plurality of ribs 431a may be formed on the lower surface of the shielding plate 431 protruding toward the discharge grill 190, and the plurality of ribs 431a may be formed to be spaced apart in the circumferential direction. Each of the ribs 431a may be formed in an upward and downward direction at a position corresponding to an open portion of the plurality of air discharge ports 105. Accordingly, when the shielding plate 431 descends, the ribs 431a may be drawn into the inside of the discharge grill 190 through the open portion of the air discharge port 105.

A gap C may be formed between the shielding side walls 432 of each of the plurality of guide bodies 430, and accordingly, the plurality of guide bodies 430 can be expressed differently as being spaced apart by the gap C in the circumferential direction. there is. Because of this, as the plurality of guide bodies 430 move up and down independently, friction that may occur between adjacent guide bodies 430 can be minimized.

Hereinafter, the internal structure of the wind direction control device 400 according to an embodiment of the present invention will be described with reference to FIGS. 11 and 12.

FIG. 11 shows a longitudinal cross-sectional view of the structure shown in FIG. 10, and FIG. 12 shows an enlarged portion of FIG. 11.

Referring to FIG. 11, the discharge guider 180 may include an inner body 181 disposed on the radial inner side and an outer body 182 spaced apart on the radial outer side of the inner body 181. Air introduced into the blower 100 may flow to the discharge grill 190 through the space between the inner body 181 and the outer body 182.

At least a portion of the shielding side wall 432 may be retracted into the inner body 181, and the outer peripheral surface of the shielding side wall 432 and the inner peripheral surface of the inner body 181 may be in contact with each other.

A first gear 451b (see FIG. 12) is disposed inside the inner body 181 to move the guide body 430 up and down. The first gear 451b engages with the support rod 433 and can move the support rod 433 up and down. At this time, when the first gear 451b engages with the stopping rib 433a of the support rod 433, the rotation may be stopped. Additionally, the stopping rib 433a formed on the upper side of the support rod 433 may contact the stopping groove 482a formed on the outer frame 480 when the shielding side wall 432 moves upward.

A gear housing 452 accommodating the first gear 451b may be disposed inside the inner body 181, and a plurality of gear housings 452 may be arranged to be spaced apart in the circumferential direction. The gear housing 452 may include a gear cover 452a that provides an accommodation space for the first gear 451b and a bridge 452b connecting the gear cover 452a to the inner peripheral surface of the inner body 181. The gear cover 452a may be spaced a predetermined distance radially inward from the inner peripheral surface of the inner body 181 by a bridge 452b, and the bridge 452b may be disposed on both sides of the gear cover 452a. .

At least a portion of the lift guider 460 may be inserted inside the discharge guider 180 and may be connected to the blower 100. The elevation guider 460 may be connected to the inner boundary of the discharge grill 190 and may guide the vertical movement of the floating guider 420.

The lift guider 460 is disposed inside the lift guider 460, and includes an inner frame 470, a portion of which is recessed into the inside of the discharge guider 180, and an outer frame extending radially outward from the inner frame 470. It may include (480).

The outer frame 480 includes an outer base 481 extending radially outward from the inner frame 470, an outer cylinder 482 extending upward from the outer base 481, and a radial direction from the outer cylinder 482. It may include an upper plate 483 extending outward.

The overall external shape of the inner frame 470 may be cylindrical, and a hollow may be formed inside. The overall appearance of the outer base 481 may have a circular shape when viewed from above. The overall external shape of the outer cylinder 482 may be cylindrical and may extend upward from the outer end of the outer base 481. At this time, a stopping groove 482a may be formed at the boundary where the outer cylinder 482 and the outer base 481 come into contact. The overall appearance of the upper plate 483 may have an annular shape when viewed from above, and when the guide body 430 rises, it may contact the upper surface of the shield plate 431. The upper plate 483 may extend radially outward from the upper end of the outer cylinder 482, extend to the outer end of the cap plate 491, and be connected to the cap plate 491.

The outer base 481 may extend radially from a position spaced a predetermined distance upward from the lower end of the inner frame 470, and accordingly, the roller 440 may be inserted into the lower side of the outer base 481. A roller receiving portion 460s may be formed. The roller receiving portion 460s can be understood as an annular space when viewed from the bottom. The roller 440 rolls and rises along the inner peripheral surface of the inner body 181, and can be drawn into the roller receiving part 460s, and is in contact with the lower surface of the outer base 481, so that its upward movement is restricted. It can be.

Referring to FIG. 12, the first gear 451b is connected to the gear shaft 451a and can rotate by rotation of the gear shaft 451a, and the support rod 433 engaged with the first gear 451b is It can be moved up and down by rotation of the first gear 451b. At this time, when the first gear 451b is engaged with the stopping rib 433a, the teeth of the first gear 451b are restricted from further rotation by the stopping rib 433a protruding inward in the radial direction. You can.

For convenience of explanation, the first gear 451b and the gear shaft 451a may be understood as sub-configurations of the first gear set 451, and the first gear set 451 and the gear housing 452 The name gear device 450 may be used as a general concept.

Hereinafter, the division structure of the guide body 430 and the vertical movement of the shield plate 431 will be described with reference to FIGS. 13 and 14.

FIG. 13 shows the structure shown in FIG. 10 viewed from above after being cut along the B-B' line, and FIG. 14(a) shows all guide bodies 430 after the structure shown in FIG. 10 is cut along the A-A' line. ) shows a view from the top when the structure is raised, and FIG. 14(b) shows a view from the top when all guide bodies 430 are lowered after cutting the structure shown in FIG. 10 along the line A-A'.

As described above, a gear device 450 may be disposed inside the inner body 181 of the discharge guider 180, and the first gear set 451 includes a first gear 451b and a gear shaft 451a. can do. Additionally, the gear device 450 may further include a gear motor 453 that is connected to the gear shaft 451a and rotates the gear shaft 451a.

A support rod 433 may be positioned in the vertical direction between the gear cover 452a and the inner peripheral surface of the inner body 181, and the support rod 433 supports the first gear ( 451b) can be engaged. Additionally, the gear housing 452 may have its upper and lower sides open so that the support rod 433 can pass through it in the upper and lower directions.

A plurality of gear devices 450, which collectively include the first gear set 451, the gear housing 452, and the gear motor 453, may be arranged to be spaced apart in the circumferential direction of the inner body 181. A plurality of gear devices 450 may be disposed at equal intervals in the circumferential direction, and three gear devices 450 may be disposed. Each gear device 450 may correspond to a plurality of guide bodies 430, and the number of gear devices 450 may be equal to the number of guide bodies 430.

The floating guider 420 may be divided into a plurality of guide bodies 430, and the plurality of guide bodies 430 may be spaced apart from each other in the circumferential direction. The number of guide bodies 430 may be three, and the size of the central angles formed by both ends of each guide body 430 may be the same as 120 degrees (θ1=θ2=θ3). This means that the flow guider 420, the discharge grill 190, and the discharge guider 180 may have a common central axis (Y), and are connected to the central axis (Y) from the end of each guide body 430. This means that the size of each central angle (θ1, θ2, and θ3) formed by the extended lines may be equal to 120 degrees. At this time, a plurality of gear devices 450 may be arranged in numbers corresponding to each guide body 430, and when three guide bodies 430 are arranged, the number of gear devices 450 is also three. You can. Additionally, when three gear devices 450 are arranged, each gear device 450 may be spaced apart by the same 120 degree interval in the circumferential direction (θ1=θ2=θ3). However, the number of gear devices 450 does not necessarily need to be the same as the number of guide bodies 430, and it is sufficient to have a plurality of guide bodies 430 that can be moved separately.

Each of the plurality of guide bodies 430 can move up and down independently by each gear device 450, and the user can selectively drive the plurality of gear devices 450.

When the guide body 430 descends, the shielding side wall 432 may move in a direction parallel to the central axis (Y) and may move up and down in close contact with the outer peripheral surface of the lifting guider 460.

With all of the plurality of guide bodies 430 raised, the discharge grill 190 may be open in all directions of a radius of 360 degrees, and with all of the plurality of guide bodies 430 lowered, the discharge grill 190 ( 190) may be shielded in all directions with a radius of 360 degrees.

The shielding plate 431 may descend and come into contact with the seating rim 191 formed in the radial outer direction of the discharge grill 190.

The driving information of each guide body 430 can be displayed on the display unit 600 disposed on the upper blower 200 (see FIG. 3), and the driving of the guide body 430 is controlled by the control unit 618. It can be. The user can select the driving of the guide body 430 based on the driving information of the guide body 430 displayed on the display unit 600, and the control unit 618 recognizes the driving mode selected by the user and operates the guide body 430. Drive can be controlled. Specifically, the control unit 618 may be electrically connected to each of the plurality of motors 453 (see FIG. 13) and may control the driving of the motors 453 based on the received signal.

In addition, a PCB board (not shown) capable of controlling the operation of the motor 453 may be placed in the empty space inside the lifting guider 460, and the PCB board (not shown) is used for electrical purposes with the motor 453. It is connected to can control the driving of the motor 453 in the same way as the control unit 618.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and can be used in the technical field to which the invention pertains without departing from the gist of the present invention as claimed in the patent claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

100: blowing device 200: upper blowing device
300: Wind direction change device 400: Wind direction control device
420: floating guider 430: guide body
440: roller 450: gear device
460: Elevator guider 490: Cap

Claims (21)

blower; and
It is disposed downstream of the discharge port of the blower device and includes a wind direction control device that adjusts the flow direction of the air discharged through the discharge port,
The wind direction control device,
A plurality of guide bodies including a shielding side wall movable with respect to the blower, a shielding plate extending from the shielding side wall and covering a portion of the discharge port, and a support rod connected to the shielding side wall and having a rack gear formed thereon;
An air purifier including a gear engaged with the rack gear and a driving unit that moves a portion of the plurality of guide bodies to open and close a portion of the discharge port.
According to clause 1,
An air purifier wherein the plurality of shielding plates are arranged downstream of the discharge port in a circumferential direction of the discharge port.
delete According to claim 1,
The discharge port of the blower is formed in an annular shape,
The shielding side wall is located inside the inner circumference of the discharge port, and the shielding plate extends from the shielding side wall to a radial outside of the discharge port.
According to claim 1,
At one end of the support rod,
An air purifier having a stopping rib that restricts movement of the support rod.
According to claim 1,
The driving unit,
a plurality of gears provided to correspond to the plurality of guide bodies and each coupled to the plurality of support rods; and
An air purifier including a plurality of motors each coupled to the plurality of gears.
According to claim 1,
The blower device,
It includes a discharge grill forming the discharge port between the plurality of bars,
An air purifier comprising a plurality of ribs that protrude from the shielding plate toward the discharge grill, are disposed at a position corresponding to the discharge port of the discharge grill, and are spaced apart from each other in a circumferential direction of the discharge port.
According to claim 1,
The blower device,
It includes an annular seating rim forming an outer edge, and includes a discharge grill forming the discharge port,
When the guide body is moved by the driving unit, the end of the shield plate contacts the seating rim.
According to clause 4,
The wind direction control device,
The air purifier is connected to the blower and further includes a lift guider that contacts the guide body and guides movement of the guide body.
According to clause 9,
The lifting guider is an air purifier including an outer cylinder disposed radially inside the shielding side wall and supporting the shielding side wall.
According to claim 10,
The lift guide extends radially outward from the outer cylinder and further includes an upper plate in contact with the shield plate.
According to clause 9,
Each of the plurality of guide bodies,
It is connected to the shielding side wall and further includes a support rod formed with a rack gear engaged with a gear of the driving unit,
The elevator guider is,
An air purifier in which a stopping groove is formed that overlaps the rack gear of the support rod in the direction of movement of the guide body and limits movement of the guide body.
According to claim 1,
The wind direction control device,
The air purifier further includes a roller coupled to the shielding side wall and spaced apart from the support rod in a circumferential direction of the discharge port.
According to claim 13,
The roller is,
An air purifier disposed at both circumferential ends of the shielding side wall.
According to claim 13,
The wind direction control device,
It is connected to the blower, and further includes a lift guider that contacts the guide body and guides the up and down movement of the guide body,
The elevator guider is,
An air purifier having a roller receiving portion into which the roller is inserted.
A lower blower that discharges air to the upper side; and
It includes a wind direction control device that changes the flow direction of the airflow discharged from the discharge port of the lower blower,
The wind direction control device is:
A plurality of guide bodies including a shielding side wall movable in the vertical direction with respect to the discharge port of the lower blower device, and a shielding plate extending radially outward from the shielding side wall and covering a portion of the discharge port;
An air purifier including a driving unit that moves some of the plurality of guide bodies in an upward and downward direction to open and close a portion of the discharge port.
According to claim 16,
an elevator guide disposed on a radial inner side of the plurality of guide bodies, connected to the lower blower, and in contact with the guide body to guide the vertical movement of the guide body; and
An air purifier further comprising an upper blower disposed above the elevator guide and supported by the elevator guide. delete delete delete delete