JP5997888B2 - Portable diffuser - Google Patents

Description

  The present invention relates to a diffuser that diffuses chemical substances such as fragrances, deodorants, and insecticides, and more particularly to a portable diffuser.

  Various kinds of portable diffusers for chemical substances such as fragrances, which are equipped with a motor and a fan along with a fragrance, etc. in a small container so that the fragrance can be diffused by turning on / off the switch are proposed. Has been.

  In Patent Document 1, a lid containing a fragrance is rotatably provided at the entrance of a container having a motor and a fan, and is opened and closed by turning the lid, and the motor switch is turned on and off. Yes. When the lid is turned and switched on and the fan is rotated, the wind of the fan mixes the fragrance in the lid with the discharge air, and releases the fragrance into the room.

  Patent Document 2 has a structure in which a motor and a fan are housed in a container that is hinged at one end, such as a bivalve shell, and a fragrance cartridge is set in front of the fan. When the container is opened, the insulator comes out from between the electrical contacts, the electrical contacts come into contact and turns on, the fan rotates, and the fan wind passes through the fragrance cartridge to release the fragrance.

  In patent document 3, it is the structure provided with the box-shaped case main body which accommodates a fragrance | flavor and an electric fan, and the sliding member provided in the case main body so that opening and closing of the suction opening part of this case main body was possible. It has become. The switch is located on the case body, and when the switch is turned on by hand and the slide member is pulled out to the open position, the scent can be released.

  Patent Document 4 describes a wearable chemical substance discharger in which the switch is not turned on when the refill unit containing the fragrance is not attached, and the switch is turned on only when the refill unit is attached. Has been.

Utility Kaihei 2-6049 Japanese Utility Model Sho 62-152740 Japanese Patent Laid-Open No. 2003-310736 Special table 2010-532170

  All of the above-described diffusers have two choices of whether or not the chemical substance is diffused by turning on / off the switch, and the air volume when the switch is turned on is constant.

  However, there is a request from the user for a function that can enhance or weaken the fragrance depending on the use situation. For this purpose, it is necessary to adjust the air volume, but there is a problem that the conventional diffuser cannot cope with it.

  The present invention has been made to solve this problem, and an object thereof is to provide a portable diffuser capable of adjusting the air volume.

  In order to achieve the above object, a portable diffuser of the present invention includes a fan, a motor for driving the fan, a suction port through which the air blown by the fan is sucked, and a main body having an outlet through which the chemical substance is released by the blown air. And a cover that is slidably attached to the main body and has a working portion that opens and closes the suction port of the fan and turns the fan motor on and off by sliding linearly. When the cover slides, the suction port of the fan is opened and closed, the outlet of the storage case is opened and closed, and the cover moves from the position where the suction port and the outlet start to the fully opened position, The operating portion of the cover holds the fan in an on state.

  The main body portion has parallel straight portions facing each other, and includes a flat housing having an electrical component including the motor and an electric circuit and a battery housing portion, and along the straight portion of the housing. Formed on both sides of the straight portion of the casing, with a convex wall portion standing on both sides, a fan provided at one end of the casing and having a suction port for air intake and a discharge port for air blowing A storage case provided with a guide member formed therein, a switch of the motor provided in the housing, an inlet detachably provided in the main body, and receiving air from a fan; and a space for storing the chemical substance And the outlet is provided in the storage case so as to be opened and closed by the cover, and the cover is formed in an overlapping shape with the main body, and is engaged with the guide member of the housing. An opening corresponding to the suction port of the fan; A housing space is formed between the cover and the convex wall, and the engagement member of the cover is guided by the guide member of the housing, and the cover is displaced from the closed position where the cover overlaps the body. The opening of the fan formed in the cover is moved from the position where the suction port of the fan is opened to the position where the fan is fully opened, and at the same time, the cover is moved to the opening of the storage case. It is desirable to move from a position where the outlet starts to open to a position where the outlet is fully opened, and during that time, the action section holds the motor switch in an ON state.

  The fan is fixed to the rotating shaft, a casing portion formed at one end of the housing continuously with the convex wall portion, a rotating shaft of the motor projecting into the casing portion of the housing. The fan is mounted on the fan's rotor blade and the seat surface formed on the casing part, covers the rotor blade of the fan and forms the fan between the main body part and sucks the air blown by the fan. A partition plate having a suction port, the opening of the cover is divided into a plurality along the sliding direction of the cover, and the suction port of the partition plate is also divided into a plurality along the sliding direction of the cover. It is configured that the opening of the cover is arranged in an arc shape, the suction port of the partition plate is also arranged in an arc shape, or the central angle on the arc of the plurality of suction ports of the partition plate is Rotation of the rotor blade The structure is small on the upstream side in the direction and larger on the downstream side, the guide member of the main body part is a concave groove, and the engaging part of the cover is a convex rib, or the switch is in the concave shape Projecting into the groove, and the action portion is turned on and off depending on the height of the convex rib, or the click mechanism for notifying that the cover has reached the fully open position. The protrusions formed in the vicinity of the switch in the concave groove of the main body and the protrusions formed on the convex rib can be used.

  According to the portable diffuser of the present invention, not only can the fan of the diffuser be turned on / off by sliding the cover linearly with respect to the main body, but also the amount of suction of the fan according to the slide amount of the cover And the air volume of the diffuser can be adjusted at the same time.

  Further, since the cover is slid linearly, it can be operated with one hand, and there is an effect that not only the on / off operation but also the air volume adjustment operation can be easily performed.

It is a disassembled perspective view of the portable diffuser of this invention. It is a figure of a main-body part, (a) is a top view, (b) is a side view, (c) is a bottom view. It is a figure of a cover, (a) is a top view, (b) is a side view, (c) is a back view, (d) is II sectional drawing of (a). It is a top view of a partition plate. It is a figure of a storage case, (a) is a perspective view of the state which closed the case, (b) is a perspective view of the state which opened the case. BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view of the portable diffuser of this invention, (a) shows an assembly completion state (fully closed state), (b), (c) shows a use state, (b) is a half-open state, (c) is a fully open state. Indicates the state. (A)-(d) is a conceptual diagram which shows the relationship between the action part formed in the engaging member, a switch, and a protrusion. It is a figure explaining the effect | action of the opening of a cover, and the suction port of a partition plate, (a) is a case where there is one opening and a suction port, and (b) is a case where there are two openings and a suction port each. It is. It is a figure which shows the positional relationship from fully closed to fully open of the opening and suction port of this invention, (a) shows a fully closed state, (b) shows a half-open state, (c) shows a fully open state.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an exploded perspective view of the portable diffuser of the present invention. As shown in the figure, the portable diffuser 100 of the present invention includes a main body 10, a cover 20, a partition plate 30 and a storage case 40.

(Main body)
2A and 2B are views of the main body 10, wherein FIG. 2A is a top view, FIG. 2B is a side view, and FIG. 2C is a bottom view. Referring also to FIG. 1, the main body 10 has a long side including straight portions parallel to each other in the left-right direction in FIG. 2A, and a rounded shape in which the vertical direction in FIG. It has a parallelogram. As shown in FIG. 2B, the lower portion of the main body 10 is a flat housing 11, and an electric circuit and a motor are accommodated therein although not shown. Moreover, as shown in the bottom view of (c), a lid 11a for opening and closing the battery accommodating portion is provided on the bottom surface, and this can be opened to replace the battery.

  On both sides of the long side of the main body 10, there are convex walls 12 and 12 inside the housing 11, and on one side of the short side of the main body 10, a fan casing 13 is formed. A portion parallel to the long side of the casing 13 is integrated with the convex walls 12 and 12 and is continuous at the same height. A portion parallel to the short side of the casing 13 is curved at the same height as the convex wall 12, and the inside of the casing 13 is circular so as to surround the rotor blades 14 of the fan. A flat seat surface 13 a on which the partition plate 30 is placed is formed on the outer side of the casing 13.

  A rotating shaft 14a of a motor provided in the casing 11 protrudes perpendicularly to the upper plane 15 of the casing 11, and a fan blade 14 is fixed to the rotating shaft 14a. In this way, electrical components such as a motor and an electric circuit are accommodated in the housing 11 with the upper plane 15 as a boundary, so that the electrical components are not affected by chemical substances.

  Groove-shaped guide members 16 are formed on both outer sides of the long side of the housing 11. The guide member 16 is formed up to the end of the main body 10 on the casing 13 side, and the opposite side is up to the end of the convex wall 12.

  As shown in FIG. 2B, a motor switch 17 protrudes into the groove of the guide member 16, and a protrusion 18 similarly protrudes into the groove on the left side of the switch 17 in the figure. The switch 17 is only on one side of the main body 10, but the protrusion 18 is also formed in the guide member 16 on the opposite side of the main body 10. Further, another protrusion 19 is provided at the corner of the casing 13. These protrusions 18 and 19 are part of the click mechanism, and details will be described later.

〔cover〕
3A and 3B are views of the cover 20, in which FIG. 3A is a top view, FIG. 3B is a side view, FIG. 3C is a back view, and FIG. The upper surface 21 of the cover 20 has the same size and shape as the main body 10 so as to overlap the main body 10. As shown in (b) and (d), the upper surface 21 is given a slight curve so that the center becomes higher. In addition, seven openings 25 are arranged in an arc shape on one side of the upper surface 21. These openings 25 are dish-shaped holes whose upper surface 21 is enlarged in a mortar shape.

  There are continuous walls 22 on both sides of the upper surface 21 and on the short side. On the standing wall 22 formed linearly on the long side, an engaging member 23 is formed at the tip at a right angle from the standing wall 22, and an action portion 24 is formed on the engaging member. The back surface of the upper surface 21 of the cover 20 is divided into a substantially flat surface 21a and a flat surface 21b that are curved in the same manner as the upper surface 21. There is a protrusion 26 at the back of the plane 21b.

(Partition plate)
FIG. 4 is a top view of the partition plate 30. The partition plate 30 has a flat plate shape and is placed on the seat surface 13a shown in FIG. 2A. The partition plate 30 covers the rotor blades 14 of the fan and constitutes a part of the fan. The partition plate 30 includes two round suction ports 31 and 32 and two suction ports 33 and 34 that are arcuate long holes. These suction ports 31 to 34 are formed so as to overlap with the seven openings 25 formed in the cover 20.

  Further, the number of the openings 25 of the cover 20 is seven, whereas the number of the suction ports 31 to 34 of the partition plate 30 is four. This is because the openings and the suction ports are viewed in the clockwise direction. The suction ports 31 and 32 correspond to the first two (first and second) holes of the opening 25, and the suction port 33 corresponds to the next two (third and fourth) openings 25 and suction. This is because the mouth 34 corresponds to the remaining three (fifth, sixth and seventh) openings 25.

  The reason why the number of the suction ports 31 to 34 is thus four is as follows. The fan rotor blades 14 rotate clockwise in FIG. 2A, and wind noise is generated by the rotation. As shown in FIG. 4, the lengths of the suction ports 31 to 34 are θ1 to θ4 at the central angle. This is because, in the suction ports 31 to 34, if θ1 ≦ θ2 <θ3 <θ4 and the central angle is increased toward the downstream side in the rotation direction, the wind noise can be reduced. Since both θ1 and θ2 are small angles, the case of θ1 = θ2 is also included.

[Storage case]
5A and 5B are views of the storage case 40, where FIG. 5A is a perspective view with the case closed, and FIG. 5B is a perspective view with the case open.

  The storage case 40 has a configuration in which a main body 41 and a lid body 42 are coupled by a hinge 43. Both the main body 41 and the lid body 42 are surrounded by walls on three sides except the hinge 43, and the lid body 42 is further formed with bulging portions on both the left and right sides. This shape is determined so as to be accommodated in the accommodating space formed in the main body 10 without excess or deficiency. Convex and concave portions 44 are formed on the bulging portions on both sides, which makes it easy to grasp the storage case 40 and facilitate attachment and detachment. Moreover, since the shape of the storage case 40 is asymmetrical, the mounting direction is not mistaken.

  The interior of the storage case 40 is a space, and a bag 45 containing a chemical substance such as a fragrance is placed in the storage case 40 and closed to a state shown in FIG. As shown in FIG. 5A, one end of the closed storage case 40 has an air inlet 46 on the side surface, and four holes as an air outlet 47 on the upper surface of the other end.

  As can be understood from the exploded perspective view of FIG. 1, the storage case 40 is over and under in a space defined by the upper plane 15 of the main body 10, the convex walls 12 and 12 on both long sides, and the cover 20. It is housed in a state without. Therefore, in the completed state in which the cover 20, the partition plate 30, and the storage case 40 are attached to the main body 10, there is almost no protrusion or depression outside the main body 10. At this time, since there is a curved surface 21a on the back surface of the cover 20, the capacity of the storage case 40 can be increased.

  Moreover, the storage case 40 can be made disposable, and different fragrances can be enjoyed by changing the fragrance stored inside. It is also possible to obtain a deodorizing effect or obtain an insecticidal effect by adding a deodorant or an insecticide instead of the fragrance.

〔assembly〕
FIG. 6 is a perspective view of the portable diffuser of the present invention, in which (a) shows an assembled state (fully closed state), (b) and (c) show a used state, (b) shows a half-open state, ( c) shows a fully open state.

  When assembling the portable diffuser 100 of the present invention, first, the partition plate 30 is placed on the seat surface 13 a of the main body 10. In this case, the partition plate 30 may be fixed to the seat surface 13a with an adhesive or the like, but it may be in a removable state simply by being placed. Thus, a fan is formed which is sandwiched between the upper surface 15 of the housing and the partition plate 30 and whose periphery is defined by the casing 13. The air intake ports of the fan are suction ports 31 to 34, and the discharge port is between the convex walls 12 and 12 on the side of the rotary blade 14.

  In the embodiment of the present invention, the fan is divided into each member, and the fan 11 is configured by a part of the casing 11, the rotor blade 14, the casing 13, the partition plate 30, and the like, and is driven by the motor in the casing 11. The configuration is not limited to this, and a configuration may be adopted in which the fan is attached to the housing 11 as an integral unit.

  Next, the storage case 40 is placed at a predetermined position. Since the shape is asymmetrical, it cannot be placed in the reverse direction and is automatically installed correctly.

  Next, the cover 20 is fitted. At this time, the front ends of the engaging members 23 on both sides formed at the front end of the standing wall 22 of the cover 20 are inserted from the end of the groove of the guide member 16 of the main body 10 and guided to the main body 10. The cover 20 can be attached at the correct position. The flat surface 21b on the back surface of the cover 20 is lightly pressed to prevent the partition plate 30 from rattling. The cover 20 is detachable from the main body unit 10. This completes the assembly.

  In the above example, the storage case 40 is attached before the cover 20 is attached. However, the storage case 40 may be attached and detached after the cover 20 is attached.

  In the state where the assembly is completed, the air outlet 47 of the storage case 40 is closed by the cover 20 and is almost sealed, and the smell of chemical substances such as fragrance in the storage case 40 does not leak out. Further, since the storage case 40 is disposed on the downstream side of the fan, it is possible to prevent the smell of the chemical substance in the storage case 40 from moving to the main body 10.

[Action]
FIG. 7 is a conceptual diagram showing the relationship between the action portion 24 formed on the engaging member 23, the switch 17, and the protrusion 18. A description will be given assuming that the cover 20 is moved in the direction of the arrow in FIG. 7 from the state shown in FIG.

  In the state shown in FIG. 7A, the portable diffuser 100 of the present invention is in the state shown in FIG. 6A, and the motor is stopped.

  A concave portion 24a, a projection 24b, a large concave portion 24c, a projection 24d, and a concave portion 24e are formed on the action portion 24 of the engaging member 23 from the right side in FIG. Of these, the protrusions 24b and 24d have the same size, and the recess 24a and the recess 24e have the same size. The heights of the protrusions 24b and 24d and the engaging member 23 are also the same. The switch 17 is urged downward by a spring in the figure, and can advance and retreat in the vertical direction in the figure. The motor is turned off in the extended state shown in (a), and the motor in the contracted state shown in (b). Is turned on.

  In the state shown in FIG. 7A, the switch 17 is at the right end in the large recess 24c, and the motor is off. On the other hand, the tip of the projection 18 is slightly in the recess 24e, and lightly prevents the engagement member 23 from moving left and right.

When the cover 20 slides from the state of FIG. 7A, the cover 20 starts to open. The engaging member 23 moves in the direction of the arrow, and the protrusion 24d gets over the protrusion 18 to be in the state of FIG. Then, the switch 17 gets on the other protrusion 24b and is pushed to turn on the motor. At this time, since the protrusion 24d gets over the protrusion 18, the user can feel a click and can clearly feel that the motor is turned on.
Since the switch 17 is wider than the recesses 24a and 24e, the switch 17 does not fall into the recesses 24a and 24e.

  The engaging member 23 continues to slide, and the protrusion 18 is in the large recess 24c from the state of FIG. 7B to the state of FIG. 7C. During this time, the switch 17 passes through the recess 24a and continues to contact the engaging member 23, but there is nothing to prevent the protrusion 18 from moving, so the cover 20 slides lightly in both the direction of the arrow and the opposite direction. be able to. During this time, as shown in FIG. 6B, the cover 20 covers a part of the outlet 47 of the storage case 40, and the amount of air to be sucked and the amount of air to be discharged can be adjusted.

  When the engaging member 23 further slides in the direction of the arrow from the state of FIG. 7C, the protrusion 24b gets over the protrusion 18 as shown in FIG. 7D, and the user feels a click. At this time, as shown in FIG. 6C, the cover 20 fully opens the outlet 47 of the storage case 40.

  When the engaging member 23 moves in the direction opposite to the arrow and returns to the state of FIG. 7A, the projection 24d gets over the projection 18, so that the user can feel the click again, and the outlet 47 Fully closed and motor stop can be felt clearly.

In this way, the action of the action part 24 and the protrusion 18 allows the user to know by clicking the start position and the fully open position of the air blowing, so that the desired air volume can be obtained by sliding the cover 20 to the intermediate position. Can be obtained. The diffuser 100 of the present invention is characterized by not only increasing / decreasing only the amount of air blown out by the diffuser 100 but also increasing / decreasing the amount of air sucked by the diffuser 100 simultaneously.

It should be noted that when the fully open position is reached, a click feeling is generated even when the protrusion 19 formed on the casing 13 of the main body 10 gets over the protrusion 26 formed on the cover 20, and the fully open position is set to 2 Emphasize with one click.
In the stroke during which the cover 20 moves from the position where both the suction ports 31 to 34 and the outlet 47 are opened to the position where the cover 20 is fully opened, the cover action portion 24 holds the fan in the ON state.

  In the diffuser of the present invention, since the switch 17 is in the groove of the guide member 16, the user can perform an on / off operation with a single touch by simply sliding the cover 20. Further, since the action part 24 for turning on / off the switch 17 is constituted by the engaging member 23 which is a slide part of the cover 20, it is turned on by sliding without providing a special part for acting on the switch. The configuration to turn off / off can be simplified.

  FIGS. 8 and 9 are diagrams for explaining the operation of the opening 25 of the cover 20 and the suction ports 31 to 34 of the partition plate 30. In these drawings, for convenience, the opening 25 is represented by a solid line, and the suction ports 31 to 34 are represented by a virtual line. In the present invention, the opening 25 of the cover 20 is divided into a plurality in the sliding direction of the cover 20, and the suction ports 31 to 34 of the partition plate 30 are also divided into a plurality of in the sliding direction of the cover 20. explain.

  FIG. 8A shows a case where there is one opening 25 and one suction port 31. In this case, both the opening 25 and the suction port 31 must be enlarged in order to secure a desired air volume. Since the opening 25 and the suction port 31 are enlarged, the amount of slide required from the fully closed state to the fully open state is L1.

  FIG. 8B shows a case where there are two openings 25 and two suction ports 31 respectively. In this case, the size of the opening 25 and the suction port 31 may be ½ that of each one, so that the slide amount is small. That is, since the openings 25 and the suction ports 31 are alternately arranged, the required slide amount from the fully closed state to the fully open state is L2, and clearly L1> L2.

  That is, if the opening 25 of the cover 20 is divided into a plurality in the sliding direction and the suction ports 31 to 34 of the partition plate 30 are also divided into a plurality in the sliding direction of the cover 20, the stroke amount from fully closed to fully open is reduced. can do. In the diffuser in which the cover 20 linearly slides as in the present invention, by reducing the stroke amount, even when a chemical substance such as a fragrance material is diffused, that is, even when the suction hole 31 and the opening 25 are in the vicinity of full opening, Since the length of the cover 20 protruding from the main body 10 can be reduced, the size of the entire spreader can be suppressed. Therefore, since the operation with one hand can be facilitated, the portability is excellent.

  FIG. 9 is a diagram showing the positional relationship between the opening 25 and the suction ports 31 to 34 of the present invention from fully closed to fully opened. The opening 25 is indicated by a solid line, and the suction ports 31 to 34 are indicated by an imaginary line. Both the opening 25 and the suction ports 31 to 34 are arranged in an arc shape, but this is divided and arranged in the sliding direction at the same time.

  FIG. 9A shows a fully closed state. All of the openings 25 are not overlapped with the suction ports 31 to 34. This corresponds to FIGS. 6A and 7A.

  FIG. 9B shows a half-open state. In this state, a part of the opening 25 overlaps the suction ports 31 to 34. This corresponds to FIGS. 6B, 7B, and 7C.

  FIG. 9C shows the fully opened state. In this state, all of the openings 25 overlap the suction ports 31 to 34. This corresponds to FIGS. 6C and 7D.

  The portable diffuser of the present invention has a parallelogram as a whole, and the air outlet 47 of the storage case 40 is inclined with respect to the long side, so the number of holes in the outlet 47 is increased. The area of the outlet 47 can be increased and a large air volume can be obtained.

  In addition, the portable diffuser of the present invention can be easily reduced in size and weight, and can be used by hanging a strap holder. Moreover, the corner | angular part is rounded as a whole shape, and when it puts in a pocket, it can prevent from being caught.

DESCRIPTION OF SYMBOLS 100 Portable diffuser 10 Main part 11 Case 12 Convex wall part 13 Casing part 13a Seat surface 14 Fan rotor 14a Motor rotating shaft 16 Guide member 17 Motor switch 20 Cover 22 Convex wall part 23 Engaging member 25 Opening 30 Partition plates 31 to 34 Suction port 40 Storage case 46 Inlet 47 Outlet

Claims (9)

A main body having a fan, a motor for driving the fan, a suction port from which the air blown by the fan is sucked, and an outlet from which the chemical substance is released by the air blowing;
A cover that is slidably attached to the main body and includes an action part that opens and closes the suction port of the fan by linearly sliding and turns on and off the motor of the fan;
Have
The action portion of the cover holds the fan in an on state while the cover moves from a position where the cover starts to open to the position where the suction opening and the outlet are fully opened.
The portable diffuser is characterized in that both the suction port and the opening amount of the outlet are simultaneously adjusted by sliding the cover. The main body portion has parallel straight portions facing each other, and includes a flat housing having an electrical component including the motor and an electric circuit and a battery housing portion, and along the straight portion of the housing. Formed on both sides of the straight portion of the casing, with a convex wall portion standing on both sides, a fan provided at one end of the casing and having a suction port for air intake and a discharge port for air blowing A storage case provided with a guide member formed therein, a switch of the motor provided in the housing, an inlet detachably provided in the main body, and receiving air from a fan; and a space for storing the chemical substance Have
The outlet is provided in the storage case so as to be opened and closed by the cover,
The cover has a shape overlapping with the main body, and includes an engaging member guided by the guide member of the housing and an opening corresponding to the suction port of the fan, and an accommodating space between the convex wall portion. Form the
An engagement member of the cover is guided by a guide member of the housing, and the cover is movable from a closed position where the cover overlaps the main body to an open position displaced from the main body, and is formed on the cover by the movement. The fan opening is moved from the position where the fan suction opening is opened to a position where it is fully opened, and at the same time, the cover is moved from the position where the outlet of the storage case is opened to a position where it is fully opened, The portable diffuser according to claim 1, wherein the action unit holds the switch of the motor in an ON state.   The fan is fixed to the rotating shaft, a casing portion formed at one end of the housing continuously with the convex wall portion, a rotating shaft of the motor projecting into the casing portion of the housing. The fan is mounted on the fan's rotor blade and the seat surface formed on the casing part, covers the rotor blade of the fan and forms the fan between the main body part and sucks the air blown by the fan. The portable diffuser according to claim 2, further comprising a partition plate having a suction port.   The opening of the cover is divided into a plurality along the sliding direction of the cover, and the suction port of the partition plate is also divided into a plurality along the sliding direction of the cover. Portable diffuser.   The portable diffuser according to any one of claims 2 to 4, wherein the opening of the cover is arranged in an arc shape, and the suction port of the partition plate is also arranged in an arc shape. The grooves of the guide member is a concave body portion, the portable diffuser according to any one of claims 2 to 5, characterized in that the engagement portion of the cover is a convex rib. The portable diffuser according to claim 6 , wherein the switch protrudes into the concave groove, and the action portion is turned on and off according to a height of the convex rib. The portable diffuser according to any one of claims 1 to 7 , further comprising a click mechanism for notifying that the cover has reached the fully opened position. The click mechanism includes a projection formed in the vicinity of said switch in said recessed groove of said body portion, according to claim 8, characterized in that it consists of a protrusion formed on the convex rib Portable diffuser.

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