KR100765336B1 - Apparatus for opening and closing air outlet in air cleaner - Google Patents

Abstract

The present invention relates to a discharge opening and closing device of the air cleaner, the fan case having a fan therein, and having a discharge port for discharging the internal air of the main body to the outside; A door opening or closing the discharge port; Guide members provided at both edges of the discharge port to guide the door when the door opens or closes the discharge port; And a fan case, wherein the door is elastically supported to keep the door fixed when the door closes the discharge port, and when the door opens the discharge port, pressing the door and elastically supporting the door at the same time. It comprises a movable means for dismantling the state to pull the door with a tensile force. The present invention has a low risk of breakage and departure of the door, there is no power consumption when opening and closing the door, the appearance is beautiful, there is an effect that the door is opened by a one-touch method.

Air cleaners, doors and outlets.

Description

Apparatus for opening and closing air outlet in air cleaner}

1 is a perspective view showing an air cleaner according to the prior art,

Figure 2 is a perspective view showing a discharge opening and closing device of the air purifier according to the present invention,

3 is an exploded perspective view showing a discharge opening and closing device of the air purifier according to the present invention,

Figure 4 is a plan view showing a discharge opening and closing device of the air purifier according to the present invention,

Figure 5 is a bottom view showing a discharge opening and closing device of the air purifier according to the present invention,

6 is a side view showing a discharge opening and closing device of the air purifier according to the present invention;

7 is an operation state diagram showing the opening process of the door in the opening and closing device of the air purifier according to the present invention,

8 is an operation state diagram showing the opening process of the door in the opening and closing device of the air purifier according to the present invention,

9 is an operation state diagram showing a state in which the door is completely opened in the opening and closing device of the air purifier according to the present invention,

10 is a perspective view illustrating a main body in which an opening and closing device of an air purifier according to the present invention is accommodated.

Explanation of symbols on the main parts of the drawing

One; Air cleaner main body 2; Discharge space

100; Switchgear 110; Fan case

111; Discharge port 112; Discharge grill

113; Support member 114; Fixing protrusion

120: doors 121a and 121b; spin

122; Contact 123; Curved surface of contact

124; Handle 130; Guide member

131a, 131b; Long groove 132; Home

140; Movable means 141; Leaf spring

142; Curved surface 143 of the leaf spring; Damping member

144; Leggear rod 145; reducer

146; Pinion gear 147; Coil spring

The present invention relates to an air cleaner, and more particularly to an apparatus for opening and closing the discharge port of the air cleaner.

In recent years, as the pollution of the air becomes more severe, the air contains harmful substances and contaminated dust, which are harmful to the human body, and when the air containing such harmful substances and contaminated dust is inhaled without filtering, By having a bad effect, various types of air cleaners for filtering the harmful substances and contaminated dust are used.

1 is a perspective view showing an air cleaner according to the prior art.

As shown in FIG. 1, the air cleaner 10 includes a front plate 12 forming a front appearance and a side plate 14 forming a side appearance, a rear plate forming a rear appearance (not shown), and an upper surface. The external appearance is comprised by the upper surface plate 16 which forms an external appearance.

Inside the air cleaner 10, a fan (not shown) for sucking air from the outside, a motor (not shown) for driving the fan, and various filters (not shown) for purifying the air sucked by the fan are provided. It is provided.

The upper plate 16 is formed in a rectangular shape, the front end portion and the side end portion is formed to be inclined downward, the discharge port 16 'for discharging the purified air inside the air cleaner 10 at the rear end of the upper plate 16 Is formed, and the discharge grill 16 "is provided in this discharge port 16 '. The control part 16a is formed in the front-end | tip part of the upper surface plate 16. As shown in FIG.

The controller 16a is provided with various operation buttons (not shown) for operating the air cleaner 10, and various display lamps (not shown) for informing the operation state of the air cleaner 10 and the state of indoor air. To facilitate the operation.

A rectangular front plate 12 is formed in front of the air cleaner 10, and an inlet 12 'through which the indoor air to be purified is sucked into the air cleaner 10 is provided below the front plate 12. Is formed. Inlet 12 ′ is provided with a removable suction grill 12 ″ to facilitate replacement or maintenance of the filter.

In addition, the rear plate (not shown) and the side plate 14 which are combined with the front plate 12 to form the exterior of the air cleaner 10 are integrally formed. On both sides of the side plate 14, a handle 14 'is formed to facilitate the movement of the air cleaner 10, and a lower portion of the rear plate is provided with power to the air cleaner 10. A power plug for forming is formed.

Inside the air cleaner 10, a filter assembly (not shown) for purifying the air sucked through the inlet 12 'from the outside of the air cleaner 10 is configured. The filter assembly is composed of a plurality of filter combinations to remove foreign substances in the air, as well as to have a variety of functions, such as bacteria eradication and antibacterial action.

A fan (not shown), a motor (not shown), and an orifice (not shown) for guiding air to effectively flow are formed at an upper portion of the filter assembly. In addition, the lower surface of the air cleaner 10 is provided with a moving wheel (not shown) to facilitate the movement of the air cleaner 10 in a predetermined space.

Looking at the operation of the air cleaner 10 configured as described above, the user first plugs the power plug into the outlet and operates the operation button of the controller 16a by arbitrary selection. When the air cleaner 10 is operated as described above, the motor located inside the air cleaner 10 rotates, and the fan coupled to the rotating shaft of the motor rotates to suck external air.

At this time, the outside air is sucked through the suction grille 12 ″ of the suction port 12 ′ formed at the bottom of the front plate 12, and the external air is moved by the action of the respective filters while passing through the filters of the filter assembly 18. Will be purified step by step.

The air purified by the filter assembly 18 is discharged upward through the discharge grill 16 ″ of the discharge port 16 ′ formed at the rear of the upper plate 16 through an orifice formed in the air cleaner 10.

However, since the discharge grill of the discharge port according to the prior art does not have a separate door for preventing dust intake, a large amount of dust and foreign matter flows into the interior of the air cleaner through the discharge grill of the discharge port when the air cleaner is not operated. Therefore, there was a problem that the performance of the air cleaner is reduced and failure and breakage may occur.

Recently, in order to solve the above problems, the discharge grill side of the discharge port adopts a method in which a user can open and close manually, or a swing grille that automatically opens and closes the discharge port by automatically operating the discharge grill of the discharge port. It adopts a lot of methods.

However, in the case of having a door that can be opened and closed manually by the user on the discharge grill side of the discharge port, since the door has a shape that protrudes to the outside of the discharge port, the risk of damage due to carelessness is considerably high. There was an unsightly issue.

In addition, in the case of a swing grille that automatically opens and closes the ejection openings by automatically operating the ejection grille of the ejection openings, since the ejection openings are automatically opened and closed at all times by driving the grilles through a stamping motor, power consumption is severe and swings the grilles. In order to make a plurality of stepping motor to be adopted, there was a problem that the production cost and the process is significantly increased.

The present invention has been made to solve the above problems, there is little risk of breakage and departure of the door, there is no power consumption when opening and closing the door, the appearance is beautiful, and the door is opened by a one-touch method An object of the present invention is to provide an opening and closing device of an air purifier.

According to an aspect of the present invention for achieving the above object, there is provided an air purifier, comprising: a fan case accommodating a fan therein and having a discharge port for discharging internal air of the main body to the outside; A door opening or closing the discharge port; Guide members provided at both edges of the discharge port to guide the door when the door opens or closes the discharge port; And a fan case, wherein the door is elastically supported to keep the door fixed when the door closes the discharge port, and when the door opens the discharge port, pressing the door and elastically supporting the door at the same time. It includes a movable means for disengaging the state to pull the door by the tensile force, the door has a plurality of projections on each side, the guide member has a plurality of long grooves to guide the projections are inserted, One end of any one or all of the long grooves provides a discharge opening and closing device of the air cleaner, characterized in that it has a locking groove for locking the projection to maintain the closed state.

The discharge port of the fan case is provided with a curved discharge grill, the door has a curved shape to correspond to the discharge grill.

delete

The movable means may include at least one leaf spring that elastically supports the door to maintain a fixed state when the door closes the discharge port, and a damping member connected to the door to reduce a speed at which the door is opened. And a coil spring connected to the damping member and the fan case and pulling the door in one direction to open the discharge port by a tension force while pressing the door to release the state in which the leaf spring elastically supports the door. It is composed.

The damping member is connected to the door and the coil spring, and is provided on the side of the rack gear rod so as to reduce the speed at which the door is opened by being engaged through the slide gear rod and the pin gear gear. It includes a reducer.

In addition to fixing the speed reducer, support members are further provided at both sides of the rack gear rod to prevent the rack gear rod from flowing when the door opens or closes the discharge port.

The door has a contact portion in contact with the leaf spring, wherein the contact portion has a curved surface toward the leaf spring, and the leaf spring has a curved surface so that the contact portion is locked.

A handle is further provided on the outer surface of the door.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the discharge opening and closing device of the air purifier according to the present invention.

Figure 2 is a perspective view showing the discharge opening and closing device of the air purifier according to the present invention, Figure 3 is an exploded perspective view showing the discharge opening and closing device of the air purifier according to the present invention, Figure 4 is an outlet of the air purifier according to the present invention Figure 5 is a plan view showing the opening and closing device, Figure 5 is a bottom view showing the discharge opening and closing device of the air purifier according to the present invention, Figure 6 is a side view showing the opening and closing device of the air purifier according to the present invention.

2 to 6, the outlet opening and closing device 100 of the air purifier according to the present invention includes a fan case 110, a door 120, a guide member 130, and a movable means 140. do.

First, the fan case 110 has a discharge port 111 for accommodating a fan (not shown) therein and discharging the internal air of the air cleaner main body 1 to the outside.

The fan case 110 is preferably provided perpendicularly to the inside of the main body 1 shown in FIG. 10, and is installed to coincide with the discharge port 111 and the discharge space 2 of the main body 1.

In an embodiment, the discharge port 111 of the fan case 110 may further include a curved discharge grill 112 (see FIG. 5).

Since the discharge grill 112 has a curved shape, it is possible to make the appearance of the air cleaner more beautiful.

The door 120 opens or closes the discharge port 111 of the fan case 110.

The door 120 preferably has a curved shape so as to correspond to the discharge grill 112.

The door 120 has a plurality of protrusions 121a and 121b on both sides, respectively.

In an embodiment, the protrusions 121a and 121b have a total of two protrusions 121a and 121b on both sides of the door 120, respectively, and the protrusions 121a and 121b are formed at the upper one end and the lower other end.

The function and role of the protrusions 121a and 121b will be described in detail in the guide member 130 described below.

The door 120 preferably has a contact portion 122 in contact with the leaf spring 141 of the movable means 140 described below. In the drawing, two contact portions 122 are formed. However, two or more contact portions 122 may be used.

A handle 124 is further provided on an outer surface of the door 120.

That is, when the discharge port 111 is closed by the door 120, the user may directly grip the handle 124 to operate the door 120.

The guide member 130 is provided at both edges of the discharge port 111 to guide the door 120 when the door 120 opens or closes the discharge port 111.

The guide member 130 preferably has a plurality of long grooves 131a and 131b through which the protrusions 121a and 121b of the door 120 are inserted and guided.

In an embodiment, the guide members 121a and 121b have a total of two long grooves 131a and 131b having a length approximately equal to the width of the door 120, and these long grooves 131a and 131b are parallel to the upper side and the lower side. Are arranged.

One end of any one or all of the long grooves (131a, 131b) preferably has a locking groove 132 for locking the projection (121a, 121b) to maintain the closed state.

For example, the long grooves formed on the upper side of the guide member 130 of the long grooves (131a, 131b) so that the projection (121a) formed in the upper direction in the closing direction from both sides of the door (120) of the projections (121a, 121b) ( A locking groove 132 is formed in 131a.

However, the engaging groove 132 may be formed in the long groove 131a formed on the upper side of the guide member 130 among the long grooves 131a and 131b, and the long groove of the guide member 130 among the long grooves 131a and 131b. A locking groove 132 may be formed in all of the 131a and 131b.

On the other hand, the movable means 140 is provided in the fan case 110.

And the movable means 140 is elastically supported so that the door 120 is maintained in a fixed state when the door 120 closes the discharge port 111, and when the door 120 opens the discharge port 111, the door ( At the same time pressing the 120 to release the elastically supported state of the door 120 to pull the door 120 with a tensile force.

In the embodiment, the movable means 140 is composed of a leaf spring 141, a damping member 143, and a coil spring 147.

The leaf spring 141 elastically supports the door 120 to maintain a fixed state when the door 120 closes the discharge port 111.

In the drawing, two leaf springs 141 are provided side by side on the outer surface of the fan case 110, but one or two or more may be provided on the outer surface of the fan case 110.

This leaf spring 141 preferably has a curved surface 142.

That is, in the above description, the door 120 has a contact portion 122 in contact with the leaf spring 141, which has a valley surface 123 toward the leaf spring 141. The spring 141 has a curved surface 142 such that the contact portion 122 of the door 120 is locked.

The damping member 143 is connected to the door 120 and reduces the speed at which the door 120 is opened.

The damping member 143 is connected to the door 120 and the coil spring 147, and is engaged with the slidable rack gear rod 144 and the rack gear rod 144 and the pinion gear 146 to engage the door 120. It is composed of a reducer 145 provided on the side of the rack gear rod 144 so that the speed of opening) is reduced.

In addition, the support member is fixed to the side of the rack gear rod 144 to fix the reduction gear 145 and to prevent the flow of the rack gear rod 144 sliding when the door 120 opens or closes the discharge port 111. It is preferable that 113 is further provided.

The coil spring 147 is connected to the damping member 143 and the fan case 110 and at the same time the user presses the door 120 to release the state in which the leaf spring 141 elastically supports the door 120. By pulling force, the door 120 is pulled in one direction to open the discharge port 111.

In an embodiment, the end of the coil spring 147 is fixed to the fixing protrusion 114 formed in the fan case 110.

The discharge opening and closing device 100 of the air cleaner having the above-described configuration has a structure in which the door 120 is accommodated inside the main body 1 without opening the door 111 when it is opened or closed. Therefore, there is little risk of damage due to carelessness, and the appearance of the air cleaner is beautiful, and furthermore, because the door 120 and the discharge grill 112 has a curved shape, the advantage of making the air cleaner stand out beautifully. There is this.

In addition, since the door 120 is operated by the guide member 130 when the door 120 opens and closes the discharge port 111, the risk of leaving the door 120 is considerably reduced and the sliding drive is stable. There is this.

When the door 120 opens the discharge port 111, the door 120 automatically opens the discharge port 111 in a one-touch manner in which the user simply presses the door 120 without using a driving motor. Therefore, there is no power waste to operate the door 120, there is an advantage that can reduce the production cost and process.

7 is an operation state diagram showing the opening of the door in the discharge opening and closing device of the air purifier according to the present invention, Figure 8 is an operation state diagram showing the opening process of the door in the opening and closing device of the air purifier according to the present invention, 9 is an operation state diagram showing a state in which the door is completely opened in the opening and closing device of the air purifier according to the present invention.

Opening operation of the opening and closing device 100 of the air purifier according to the present invention is made in the order of Figure 2, 7, 7, 8, 9.

First, when the user presses the door 120 by hand in the state of FIG. 2, the curved surface 123 of the contact portion 122 may leave the curved surface 142 of the leaf spring 141 in the door 120. At the same time, the protrusions 121a formed at both sides of the door 120 are in the state of FIG.

In the state of FIG. 7, while the rack gear rod 144 and the door 120 are continuously drawn through the tension of the coil spring 147, the door 120 opens the discharge port 111 in the order of FIGS. 8 and 9. Open.

At this time, since the speed reducer 145 maintains a constant speed of the rack gear rod 144, there is no fear that the door 120 may be opened rapidly, thereby preventing problems such as the door 120 being broken. .

On the other hand, the closing operation of the opening and closing device 100 of the air purifier according to the present invention is made in the order of Figures 9, 8, 7 and 2.

First, when the user lifts the handle 124 of the door 120 by hand in the state of FIG. 9, the state becomes the state of FIGS. 8 and 7, and the curved surface 123 of the contact portion 122 in the door 120. The protrusion 121a formed on both sides of the door 120 is caught by the locking groove 132 formed in the long groove 131a by the guide member 130 while being fixed to the curved surface 142 of the leaf spring 141. 2, the door 120 completely closes the discharge port 111 as shown in FIG. 2.

The present invention relates to a discharge opening and closing device of the air purifier, when opening or closing the discharge port has a structure that is accommodated inside the main body without the shape of the door protruding to the outside, there is little risk of inadvertent damage In addition, the air purifier has a beautiful appearance, and furthermore, since the door and the discharge grille have a curved shape, there is an excellent effect of making the air purifier stand out.

In addition, since the door is operated by the guidance of the guide member when the door opens and closes the discharge port, there is an excellent effect of the sliding of the door is relatively low and stable sliding.

In the present invention, when the door opens the discharge port, the door automatically opens the discharge port in a one-touch manner in which the user simply presses the door without using a drive motor separately, so that there is no waste of power to operate the door and the production cost and There is an advantage to reduce the process.

Claims (8)

In the air cleaner, A fan case accommodating the fan therein and having a discharge port for discharging the internal air of the main body to the outside; A door opening or closing the discharge port; Guide members provided at both edges of the discharge port to guide the door when the door opens or closes the discharge port; And It is provided in the fan case, the door is elastically supported to maintain the fixed state when the door closes the discharge port, and when the door opens the discharge port is pressed the door and the elastic support of the door at the same time And moving means for disengaging the state to pull the door with a tensile force, The door has a plurality of projections on both sides, respectively, and the guide member has a plurality of long grooves through which the protrusions are inserted and guided, so that the door is closed at one end of one or all of the long grooves. Discharge port opening and closing device of the air cleaner, characterized in that having a locking groove for locking the projection. The method of claim 1, The discharge opening of the fan case is provided with a discharge grill having a curved shape, the door opening and closing device of the air purifier, characterized in that the door has a curved shape corresponding to the discharge grill. delete The method of claim 1, The movable means, At least one leaf spring that elastically supports the door to maintain a fixed state when the door closes the discharge port, a damping member connected to the door to reduce a speed at which the door is opened, and the damping member; And a coil spring connected to the fan case and pulling the door in one direction to open the discharge port by a tension force while pressing the door to release the state in which the leaf spring elastically supports the door. Discharge port opening and closing device of the air cleaner. The method of claim 4, wherein The damping member, And a reducer connected to the door and the coil spring, the reducer being provided on the side of the retract gear rod to be engaged with the slid gear rod and the pinion gear to reduce the speed at which the door is opened. Discharge port opening and closing device of the air cleaner. The method of claim 5, In addition to fixing the reducer, the opening and closing of the discharge port of the air cleaner, characterized in that the support member is further provided on both sides of the rack gear rod to prevent the flow of the rack gear rod when the door opens or closes the discharge port. Device. The method according to any one of claims 4 to 6, The door has a contact portion in contact with the leaf spring, wherein the contact portion has a curved surface toward the leaf spring, the leaf spring has a discharge surface opening and closing device of the air cleaner, characterized in that the curved surface so that the contact is locked. . The method of claim 1, Discharge port opening and closing device of the air cleaner, characterized in that the handle is further provided on the outer surface of the door.

Images