JP4236536B2 - Air cleaner - Google Patents

Description

  The present invention relates to an air purifier that purifies air.

  This type of air purifier draws air into the main body case from the air inlet formed in the front center of the front case and the side air inlet formed between the front case and the main body. A filter that purifies air sucked into a main body case by a filter facing an air flow path that communicates with an exhaust port and exhausts the air from the exhaust port is known (for example, see Patent Document 1).

However, if this air purifier is placed in the gap of furniture, etc., the flow of air drawn from the front case's front intake port may be deteriorated by the resistance of the furniture, etc., so only intake from the side intake port Then, there was a fault that the intake efficiency of air fell.
JP 2000-102327 A

  The present invention has been made to solve such a problem, and provides an air purifier capable of preventing a reduction in air intake efficiency even when the air purifier is disposed in a gap such as furniture. Is an issue.

  A first means for solving the above problems includes a main body case having an intake port and an exhaust port, an air flow path provided in the main body case and communicating the intake port and the exhaust port, and an air flow path. The main body case includes a filter disposed in the facing main body case, and air blowing means for exhausting air sucked into the main body case from the air inlet through the filter, and the main body case is attached to and detached from the case main body and the case main body. It is composed of a front case that can be freely mounted, and the air inlet is formed on the front surface of the front case and the side surface of the case body, so that the front case can be mounted movably forward with respect to the case body. The moving means is configured with the case, and air can be sucked into the main body case from the gap between the case main body and the front case formed by moving the front case forward by the moving means. And features. The gap here refers to a state in which an opening is formed by separating the end of the case body from the end of the front case.

  The second means for solving the above problems includes a main body case having an intake port and an exhaust port, an air flow path provided in the main body case and communicating the intake port and the exhaust port, and an air flow path. The main body case includes a filter disposed in the facing main body case, and air blowing means for exhausting air sucked into the main body case from the air inlet through the filter, and the main body case is attached to and detached from the case main body and the case main body. The front case is configured to be freely mounted, and the air inlet is formed on the front surface of the front case and the side surface of the case body, and the case body forms a ridge wall protruding toward the front case side. An air intake opening is formed in the ridge wall, and a moving means is configured between the case main body and the front case so that the front case can be movably mounted forward with respect to the case main body. By previous case Of it communicated the opening by moving forward in the ambient air, characterized in that to allow the intake of air into the body casing through the opening.

  In the second means for solving the above problem, the moving means is constituted by an engaging means formed between the outer wall of the ridge wall and the inner wall of the front case facing the outer wall of the ridge wall. Also good.

  Furthermore, it is preferable that the engaging means is provided in a plurality of stages along the moving direction of the front case.

  In the first means or the second means for solving the above-mentioned problem, the moving means includes a protrusion claw formed on the front case and an elastic member fixed to the case body by a fixing member. A combination means may be used.

  Here, the elastic member and the fixing member may be integrally formed.

  In addition, the engaging means are provided at least two places on the left and right of the upper part of the front case and the lower part of the front case, and urge the front case downward via the convex portion by the elastic force of the elastic member on the upper part of the front case. The front case is preferably urged from the inside to the outside through the convex portions by the elastic force of the left and right elastic members at the lower part of the front case.

  Furthermore, it is preferable that the engaging means is provided in a plurality of stages along the moving direction of the front case.

  In the first means or the second means for solving the above-mentioned problem, the moving means may be constituted by an engaging means between a convex portion formed to project from the front case and a concave portion formed to the case body. Good.

  This engaging means may be constituted by a protruding portion formed on the outer periphery of the convex portion and an engaging groove formed on the inner surface of the concave portion.

  On the contrary, the engaging means may be constituted by a protruding portion formed on the inner surface of the concave portion and an engaging groove formed on the outer periphery of the convex portion.

  Furthermore, this engaging means may be constituted by an annular elastic body mounted in the groove portion of the convex portion and an engaging groove formed in the inner surface of the concave portion.

  Further, this engaging means may be constituted by a protruding portion formed on the outer periphery of the convex portion and an engaging groove formed on the inner surface of the elastic body inserted into the concave portion.

  Further, the engaging means is configured by an annular elastic body that is mounted on a mounting portion in which the outer periphery of the concave portion is partially cut out and faces the concave portion through the mounting portion, and an engaging groove formed in the convex portion. May be.

  In the first means or the second means for solving the above-mentioned problem, the moving means may be constituted by a connector for connecting the front case and the case main body.

  In the first means or the second means for solving the above-mentioned problems, the moving means includes a groove portion formed on the outer side wall of the front case, and a claw portion formed to project from the case body toward the front case side. You may comprise by engagement.

  In the first means for solving the above-mentioned problem, the case main body may include a rear case formed to be narrower than the case main body, and an air inlet may be formed in the rear case.

  According to the configuration of claim 1 of the present invention, even when the air purifier is disposed in a gap such as furniture, a gap is formed between the front cover and the case body by moving the front cover forward, The effect of preventing a reduction in the intake efficiency of air can be obtained.

  According to the configuration of the second aspect of the present invention, even when the front cover is moved forward, the finger is prevented from being inserted into the main body case by the protruding wall without reducing the air intake efficiency. It is possible to achieve such an effect.

  According to the configuration of the third aspect of the present invention, the protrusion wall that prevents the insertion of the finger into the main body case can be used as the moving means of the front case, and the configuration can be simplified. Play.

  According to the configuration of claim 4 of the present invention, since the movement of the front case can be adjusted in a plurality of stages, the movement of the front case can be adjusted according to the gap of furniture or the like in which the air purifier is arranged. There are effects such as being able to.

  According to the configuration of the fifth aspect of the present invention, the front case can be movably mounted on the case body by the elastic force of the elastic member, so that the front case can be stably mounted on the case body. There is an effect.

  According to the structure of Claim 6 of this invention, there exists an effect that the attachment workability | operativity of an elastic member can be improved by integrally forming an elastic member and a fixing member.

  According to the structure of claim 7 of the present invention, the front case can be urged downward by the elastic member at the top of the front case, the upper end of the front case can be aligned with the case body, The front case can be urged from the inner side to the outer side by the elastic member, and the front case can be positioned in the center in a balanced manner on the left and right sides without raising a part of the front case.

  According to the configuration of claim 8 of the present invention, since the movement of the front case can be adjusted in a plurality of stages, the movement of the front case can be adjusted according to the gap of furniture or the like in which the air purifier is arranged. There are effects such as being able to.

  According to the configuration of the ninth aspect of the present invention, even when the air purifier is arranged in the gap of furniture or the like with a simple configuration, it is possible to prevent a reduction in air intake efficiency by moving the front cover forward. There are effects such as being able to.

  According to the configuration of the tenth aspect of the present invention, since the movement of the front case can be adjusted in a plurality of stages, the movement of the front case can be adjusted according to the gap of furniture or the like in which the air purifier is arranged. There are effects such as being able to.

  According to the configuration of the eleventh aspect of the present invention, the moving means of the front case can be configured by only two parts, that is, the front cover and the case main body, and the configuration can be simplified.

  According to the structure of Claim 12 of this invention, the moving means of a front case can be comprised only with two parts, a front cover and a case main body, and there exists an effect that a structure can be simplified.

  According to the configuration of the thirteenth aspect of the present invention, since the front cover and the case main body can be engaged with each other by the annular elastic body, the front cover and the case main body can be stabilized over a long period of time simply by replacing the elastic body. And the like can be engaged.

According to the configuration of the fourteenth aspect of the present invention, since the front case and the case main body are engaged via the elastic body, it is possible to prevent the vibration of the blowing means and the like from being transmitted from the case main body to the front case. There are effects that the vibration of the front case can be prevented.

  According to the configuration of the fifteenth aspect of the present invention, since the front cover and the case main body can be engaged with each other by the annular elastic body, the front cover and the case main body can be stabilized for a long time only by replacing the elastic body. And the like can be engaged.

  According to the structure of Claim 16 of this invention, when moving a front case ahead, there exists an effect that it can prevent that a front case remove | deviates from a case main body accidentally.

  According to the structure of Claim 17 of this invention, since it is made to engage on the outer periphery of a front case and a case main body, there exists an effect of being able to prevent that the level | step difference of a front case and a case main body generate | occur | produces. .

  According to the configuration of the eighteenth aspect of the present invention, since the movement of the front case can be adjusted in a plurality of stages, the movement of the front case can be adjusted according to the gap of furniture or the like in which the air purifier is arranged. There are effects such as.

  According to the structure of the nineteenth aspect of the present invention, even when the air cleaner is installed in a place where the gap between the furniture and the like is narrow and the space on the front and side surfaces is extremely small, the air is formed by the air inlet formed in the rear case. It is possible to prevent the intake efficiency from being lowered.

(First embodiment)
The best first embodiment for carrying out the present invention will be described in detail below with reference to FIGS.

  An air cleaner according to the present invention includes a main body case 4 including a case main body constituted by a fan case 2 and a rear case 3, and a front case 1 detachably attached to the front surface of the case main body, An intake port 5 formed in the fan case 2, an exhaust port 6 formed in the rear case 3, an air flow path 7 provided in the main body case 4, which communicates the intake port 5 and the exhaust port 6, and air A filter 8 disposed in the main body case 4 facing the flow path 7, air blowing means 9 for exhausting the air sucked into the main body case 4 from the air inlet 5 through the air outlet 6, and the main body case 4 The leg 10 is configured to support upright (see FIG. 1).

  The fan case 2 divides the inside of the main body case 4 in the front and rear directions, a blower means 9 to be described later is attached to the rear case side, and the filter 8 is accommodated in the front side thereof. The wall is also integrally formed.

  The front case 1 is detachably attached to the fan case 2, and an inclined portion 11 that inclines downward is projected from a lower portion of the front case 1. The inclined portion 11 is formed with a front lower intake port 5a that opens downward from the front surface. A front air inlet 5b that opens forward is formed in the center of the front case 1 (see FIG. 1). Side air inlets 5 c that open toward both side surfaces are formed on both side surfaces of the case body, that is, the fan case 2. The side intake port 5c, the front lower intake port 5a, and the front intake port 5b constitute an intake port 5, and each intake port 5 communicates within the main body case 4 (see FIG. 2).

Further, as shown in FIG. 7, two convex portions 12 are formed on the upper and lower sides of the front case 1 so as to protrude from the rear surface of the front case 1 toward the case body, that is, the fan case 2 side. As shown in FIG. 8, two claw portions 13 are formed upward on the left and right convex portions 12 formed on the upper portion of the front case 1. Moreover, as shown in FIG. 9, two claw portions 13 are formed on the inner sides of the two convex portions 12 formed on the lower portion of the front case 1, respectively.

  A recess 14 is formed in the fan case 2 at a position facing the convex portion 12. A protrusion 15 is formed on the outer wall of the bottom surface of the recess 14. A notch 16 is provided in the upper portion of the recess 14 facing the convex portion 12 formed in the upper portion of the front case 1. A notch 16 is provided inside each of the recesses 14 facing the protrusions 12 formed in the lower part of the front case 1. A metal substantially L-shaped elastic member 18 having an engagement portion 17 is formed on the outer wall of the recess 14 with a fixing member at a position where the engagement portion 17 faces the recess 14 via the notch 16. The nut 19 is fixed by press-fitting it into the protrusion 15. Further, on both side surfaces of the fan case 2, protruding rib walls 20 are formed to protrude toward the front case 1 side. An opening 21 communicating with the side air inlet 5c is formed in the ridge wall 20.

  The filter 8 through which the air sucked into the main body case 4 passes from each intake port 5 includes a dust collection filter 8a that removes dust in the air and a deodorization filter 8b that deodorizes the odor in the air. In addition, the fan case 2 is detachably mounted so that the dust collection filter 8a is positioned at the front. The filter 8 can be easily replaced when the front case 1 is removed.

  The blower unit 9 includes an impeller 22 and a motor 23 that drives the impeller 22, and is fixed to the fan case 2 on the downstream side of the filter 8. An exhaust port 6 is formed above the rear case 3. An operation panel 24 is disposed on the upper front surface of the main body case 4. On the operation panel, an operation unit 24 a for operating the operation of the motor 23 and a display unit 24 b for displaying the operation state of the motor 23 and the like are arranged.

  In the air purifier configured as described above, when the operation unit 24a is operated, the motor 23 starts to drive and the impeller 22 starts to rotate. As the impeller 22 rotates, indoor air is taken into the main body case 4 via the lower front intake port 5a, the front intake port 5b, and the side intake port 5c, and the air is purified when passing through the filter 8. Deodorized and exhausted to the outside of the main body case 4 through the exhaust port 6.

  Since air can be sucked in from the lower front of the main body case 4 through the lower front intake port 5a, even if the ashtray is placed at the lower front of the main body case 4 and the cigarette is lit, the cigarette placed in the ashtray The rising smoke can be sucked in efficiently, and the amount of smoke diffused in the room can be reduced. Moreover, the smoke of the cigarette which is exhaled from the person's mouth and diffuses into the room can be efficiently sucked by the front air inlet 5b and the side air inlet 5c.

  As a result, when smoke is smoked in a room, the smoke rising from the cigarettes placed in the ashtray and the smoke exhaled from the person's mouth can be efficiently sucked in at the same time. It can be shortened.

  When this air purifier is disposed in a space such as furniture, the flow of air sucked from the front air inlet 5b and the lower front air inlet 5a of the front case 1 may be deteriorated due to resistance by furniture or the like. At this time, there is a possibility that the air intake efficiency may be reduced only by the intake from the side intake port 5c.

In contrast, in the first embodiment, the front case 1 is configured to be movable forward by the engagement force between the claw portion 13 of the convex portion 12 and the engagement portion 17 of the elastic member 18. In the normal state, the front case 1 and the fan case 2 which is the case main body are in close contact with each other, and no gap is generated between the front case 1 and the fan case 2 (see FIGS. 4, 8, and 9). Place the air purifier in the gap of furniture,
When intake from the front case 1 becomes difficult, the front case 1 is pulled forward, the engaging portion 17 of the elastic member 18 is engaged with the other claw portion 13 of the convex portion 12, and the front case 1 is moved forward. (See FIGS. 5, 6, and 10).

  As a result, the intake air can be sucked into the main body case 4 not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2, so that a reduction in intake efficiency can be prevented. . There is a risk that a finger or the like may be inserted into the main body case 4 from the gap 25 formed between the front case 1 and the fan case 2, but the fan case 2 has a protruding wall 20 facing the front case 1 side. Since the protrusion is formed, the protrusion wall 20 can prevent insertion of a finger or the like. Although there is a possibility that the flow of air sucked from the gap 25 between the front case 1 and the fan case 2 may be deteriorated by the ridge wall 20, the ridge wall 20 has an intake opening 21 formed therein. Therefore, the ridge wall 20 does not become resistant to the air flow by the opening 21.

  As shown in FIG. 8, the convex portion 12 at the upper portion of the front case 1 is biased downward by the elastic member 18, so that a downward biasing force is applied to the front case 1. As a result, there is no positional deviation from the fan case 2 at the upper end of the front case 1, and there is no problem in appearance. There is a possibility that the lower end of the front case 1 may be displaced with respect to the fan case 2. However, since it is a place where it is difficult to see the appearance, the appearance is not directly affected.

  As shown in FIG. 9, the convex portions 12 at the lower part of the front case 1 are each urged from the inside to the outside by the elastic members 18, so that the urging force from the inside to the outside acts on the front case 1. . As a result, the front case 1 is brought into close contact with the fan case 2 without causing the central portion of the front case 1 to swell and lift from the fan case 2 as in the case where the urging force from the outside to the inside acts on the front case 1. It can be positioned in the center with a good left / right balance.

  In addition, in 1st Embodiment, although the nail | claw part 13 of the convex part 12 was made into the square nail | claw as shown in FIG. 11, it is not limited to this. The claw portion 13 may be formed on the arcuate claw as shown in FIG. 12 or the entire circumference of the convex portion 12 as shown in FIG.

  In the first embodiment, the elastic member 18 is attached to the outer wall of the recess 14 by the nut 19. However, as shown in FIG. 14, an elastic member finished product 26 in which the elastic body member 18 and the nut 19 are integrated is provided. The elastic member finished product 26 may be directly mounted on the outer wall of the recess 14 (see FIG. 15). Thereby, while being able to simplify a structure, attachment workability | operativity can be improved.

  In the first embodiment, the front case 1 is configured to move forward by one step. However, as shown in FIGS. 16 and 17, the protrusion 12 that engages with the engagement portion 17 of the elastic member 18 is provided. Three or more claw portions 13 may be provided so that the forward movement of the front case 1 can be adjusted in a plurality of stages. With this configuration, when the air purifier is used in a space such as furniture, the movement of the front case can be adjusted according to the space such as furniture.

(Second Embodiment)
18 to 21 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the first embodiment, the front case 1 is configured to be movable forward by the elastic force of the elastic member 18 attached to the claw portion 13 of the front case 1 and the fan case 2, but in the second embodiment, the main case 4 is The front case 1 is configured to be movable forward by engagement means formed between the ridge wall 20 and the front case 1.

  In the fan case 2, a ridge wall 20 is formed as in the first embodiment, and an opening 21 is formed in the ridge wall 20. Two engaging recesses 27 are formed on the outer wall of the ridge wall 20 along the moving direction of the front case 1. On the inner wall of the front case 1 facing the engagement recess 27, an engagement protrusion 28 that is elastically engaged with the engagement recess 27 is formed. In a normal state, the engaging convex portion 28 engages with the engaging concave portion 27 on the fan case 2 side, and no gap is generated between the front case 1 and the fan case 2 (see FIGS. 18 and 20).

  When this air purifier is arranged in a gap in furniture or the like, the front case 1 is pulled forward, the engaging convex portion 28 is engaged with the engaging concave portion 27 on the front case 1 side, and the front case 1 is moved forward. The held state is maintained (see FIGS. 19 and 21). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  Since the front case 1 can be held movably forward by the engaging means formed between the front case 1 and the fan case 2 without using a separate elastic member 18 as in the first embodiment, Can be simplified. Since the ridge wall 20 protrudes from the fan case 2, insertion of a finger or the like can be prevented by the ridge wall 20. Further, the ridge wall 20 does not become resistant to the air flow by the opening 21. In the second embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment. Further, the front case 1 may be provided with the engagement concave portion 27 and the fan case 2 may be provided with the engagement convex portion 28.

(Third embodiment)
22 and 23 show a third embodiment of the present invention. The same parts as those in the first embodiment and the second embodiment are denoted by the same reference numerals, and description thereof is omitted.

  In 3rd Embodiment, while providing the notch part 29 in the center part of the convex part 12 of the front case 1, and making the outer periphery of the convex part 12 elastically deformable inside, the convex part of the position corresponding to the notch part 29 is provided. The protrusion part 30 which protrudes toward the outward is formed in 12 outer periphery. The fan case 2 is provided with a concave portion 31 into which the convex portion 12 can be inserted toward the front case 1, and two engagement grooves 32 are formed in the inner wall of the concave portion 31 along the moving direction of the front case 1. ing. In the normal state, the protrusion 30 engages with the engagement groove 32 on the back side of the recess 31, and no gap is generated between the front case 1 and the fan case 2 (see FIG. 22).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward and the protrusion 30 is engaged with the engagement groove 32 on the front case 1 side of the recess 31 to move the front case 1 forward. Hold in the moved state (see FIG. 23). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  Since the front case 1 can be held movably forward by the engaging means formed between the front case 1 and the fan case 2 without using a separate elastic member 18 as in the first embodiment, Can be simplified. In the third embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment.

(Fourth embodiment)
24 and 25 show a fourth embodiment of the present invention. The same parts as those in the first to third embodiments are denoted by the same reference numerals, and the description thereof is omitted.

In 4th Embodiment, while providing the notch part 29 in the center part of the convex part 12 of the front case 1, and making the outer periphery of the convex part 12 elastically deformable inside, the convex part of the position corresponding to the notch part 29 is provided. Twelve engaging grooves 32a are formed in the outer periphery of the twelve portions along the moving direction of the front case 1. The fan case 2 is provided with a concave portion 31 into which the convex portion 12 can be inserted toward the front case, and an inner wall of the concave portion 31 has a protruding portion 30a protruding inward along the moving direction of the front case 1. Two places are formed. In a normal state, the two engaging grooves 32a engage with the two protruding portions 30a, and no gap 25 is generated between the front case 1 and the fan case 2 (see FIG. 24).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward, and the engaging groove 32a on the tip side of the convex portion 12 is engaged with the protruding portion 30a on the front case 1 side of the concave portion 31. The front case 1 is held in a state of being moved forward (see FIG. 25). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  Since the front case 1 can be held movably forward by the engaging means formed between the front case 1 and the fan case 2 without using a separate elastic member 18 as in the first embodiment, Can be simplified. In the fourth embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment.

(Fifth embodiment)
26 and 27 show a fifth embodiment of the present invention. The same components as those in the first embodiment to the fourth embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the fifth embodiment, the groove 33 is formed on the outer periphery of the convex portion 12 of the front case 1. An annular elastic body 34 is attached to the groove 33. The fan case 2 is provided with a recess 31 into which the convex portion 12 can be inserted toward the front case, and two engagement grooves 32 are formed on the inner wall of the recess 31 along the moving direction of the front case 1. Yes. In the normal state, the elastic body 34 is elastically engaged with the engagement groove 32 on the back side of the concave portion 31, and no gap is generated between the front case 1 and the fan case 2 (see FIG. 26).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward, and the elastic body 34 is engaged with the engagement groove 32 on the front case 1 side of the recess 31 to move the front case 1 forward. Hold in the moved state (see FIG. 27). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  Since the engagement between the front case 1 and the fan case 2 is performed by the elastic force of the annular elastic body 34, when the engagement force between the front case 1 and the fan case 2 decreases due to long-term use, The engagement force between the front case 1 and the fan case 2 can be restored simply by replacing the elastic body 34. As a result, the engagement between the front case 1 and the fan case 2 can be favorably continued over a long period of time. In the fifth embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment.

(Sixth embodiment)
28 and 29 show a sixth embodiment of the present invention. The same components as those in the first to fifth embodiments are denoted by the same reference numerals and description thereof is omitted.

In 6th Embodiment, while providing the notch part 29 in the center part of the convex part 12 of the front case 1, and making the outer periphery of the convex part 12 elastically deformable inside, the convex part of the position corresponding to the notch part 29 is provided. The protrusion part 30 which protrudes outward is formed in 12 outer periphery. The fan case 2 is formed with a bottomless recess 31a that houses a recess-shaped elastic body 34a into which the protrusion 12 can be inserted. Two engaging grooves 32b are formed along the moving direction of the front case 1 on the inner wall of the elastic body 34a. In the normal state, the protrusion 30 is elastically engaged with the engagement groove 32b on the back side, and no gap is generated between the front case 1 and the fan case 2 (see FIG. 28).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward and the front case 1 is moved forward by engaging the protrusion 30 with the engagement groove 32b on the front case 1 side. The state is held (see FIG. 29). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  When the front case 1 is pulled forward, the front case 1 engages with the fan case 2 via the elastic body 34a, so that the vibration of the fan case 2 is not transmitted to the front case 1, and the front case 1 Chatter does not occur. In the sixth embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment. In addition, the protruding portion 30 may be provided on the elastic body 34a, and the engaging groove 32b may be provided on the convex portion 12.

(Seventh embodiment)
30 to 32 show a seventh embodiment of the present invention. The same parts as those in the first to sixth embodiments are denoted by the same reference numerals and description thereof is omitted.

  In the seventh embodiment, two engagement grooves 32 a are formed on the outer periphery of the convex portion 12 of the front case 1 along the moving direction of the front case 1. The fan case 2 is provided with a concave portion 31 into which the convex portion 12 can be inserted toward the front case. The outer periphery of the concave portion 31 is formed with a mounting portion 35 that is partially cut out until it communicates with the inner periphery. Yes. The annular elastic body 34 is mounted on the mounting portion 35, and a part of the elastic body 34 faces the recess 31 through the mounting portion 35 (see FIG. 32). In the normal state, the engagement groove 32a on the front case 1 side is engaged with the elastic body 34 facing the recess 31, and no gap is generated between the front case 1 and the fan case 2 (see FIG. 30).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward, and the engagement body 32a on the distal end side of the convex portion 12 is engaged with the elastic body 34 that faces the concave portion 31 to engage the front. The case 1 is held in a state of being moved forward (see FIG. 31). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  Since the engagement between the front case 1 and the fan case 2 is performed by the elastic force of the annular elastic body 34, when the engagement force between the front case 1 and the fan case 2 decreases due to long-term use, The engagement force between the front case 1 and the fan case 2 can be restored simply by replacing the elastic body 34. As a result, the engagement between the front case 1 and the fan case 2 can be favorably continued over a long period of time. In the seventh embodiment, the forward movement of the front case 1 may be adjusted in a plurality of stages as in the first embodiment.

(Eighth embodiment)
33 and 34 show an eighth embodiment of the present invention. The same components as those in the first to seventh embodiments are denoted by the same reference numerals and description thereof is omitted.

  In the eighth embodiment, a ridge wall 20 is formed in the fan case 2 as in the first embodiment, and an opening 21 is formed in the ridge wall 20. A guide groove 36 is formed in the side surface of the front case 1 in the vertical direction. A substantially circular locking portion 37 is formed at both ends of the guide groove 36 and at several places therebetween. A pair of connecting tools 38 that connect the front case 1 and the fan case 2 are pivotally fixed to the fan case 2 by a fixed shaft 39 so that one end of each of the connecting tools 38 is pivoted. The other end is movably supported in the guide groove 36 by the rotation shaft 40. The front case 1 is urged toward the fan case 2 by urging means (not shown). In the normal state, the rotating shaft 40 engages with the engaging portions 37 at both ends of the guide groove 36, and no gap is generated between the front case 1 and the fan case 2 (see FIG. 33).

  When this air purifier is placed in a gap in furniture or the like, the front case 1 is pulled forward and the rotation shaft 40 of the coupling tool 38 is moved to the inside of each guide groove 36 to engage with an arbitrary locking portion 37. The front case 1 is held in a state of being moved forward (see FIG. 34). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  In the eighth embodiment, even when the front case 1 is moved forward by a plurality of stages, there is no need to provide a plurality of stages of engaging means along the moving direction of the front case 1, and the front case 1 is formed in the vertical direction. Since the guide groove 36 and a plurality of locking portions 37 around the guide groove 36 can be used, the configuration can be simplified. Since the rotation shaft 40 is supported in the guide groove 36, the front case 1 is not accidentally detached from the fan case 2 when the front case 1 is moved forward.

(Ninth embodiment)
35 to 37 show a ninth embodiment of the present invention. The same parts as those in the first to eighth embodiments are denoted by the same reference numerals, and the description thereof is omitted.

  In the ninth embodiment, a concave groove 41 communicating from the contact surface of the front case 1 with the fan case 2 is formed on the entire circumference of the side surface of the front case 1. In the concave groove 41, two engagement concave portions 27 a are formed along the moving direction of the front case 1. The fan case 2 is formed with a fitting portion 42 having an engaging convex portion 28a that engages with the engaging concave portion 27a. A cut portion 29 is formed at the center of the fitting portion 42, and the engagement convex portion 28a is configured to be elastically deformable inward. In a normal state, the two engaging convex portions 28a engage with the two engaging concave portions 27a, and no gap is generated between the front case 1 and the fan case 2 (see FIGS. 35 and 36).

  When this air purifier is disposed in a space such as furniture, the front case 1 is pulled forward to engage the engaging convex portion 28a on the front end side of the fitting portion 42 with the engaging concave portion 27a on the fan case 2 side. Then, the front case 1 is held in a state of being moved forward (see FIG. 37). As a result, not only from the side air inlet 5c but also from the gap 25 formed between the front case 1 and the fan case 2 can be sucked into the main body case 4, thereby preventing a reduction in intake efficiency. it can.

  By engaging the fitting portion 42 of the fan case 2 with the outer periphery of the front case 1, it is possible to prevent positional deviation between the front case 1 and the fan case 2. Since the fitting part 42 is provided in the perimeter, the front case 1 is hold | maintained over a wide range and the holding force of the front case 1 can be improved. Note that the ninth embodiment may be configured so that the forward movement of the front case 1 can be adjusted in a plurality of stages as in the first embodiment. Further, the fitting portion 42 may be provided in the front case 1 and the groove 41 may be provided in the fan case 2.

(10th Embodiment)
FIG. 38 shows a tenth embodiment of the present invention. The same parts as those in the first to ninth embodiments are denoted by the same reference numerals and description thereof is omitted.

In the tenth embodiment, the rear case 3 having a narrower width than the case body, that is, the fan case 2 is also provided with a rear intake port 5d. With this configuration, as shown in FIG. 38, when the air purifier is installed in a space that does not have enough space in the front-rear direction and the left-right direction, most of the air is sucked from the front case 1 and the rear fan case 2. However, since intake can be performed from the rear intake port 5d of the rear case 3, a reduction in intake efficiency can be prevented.

(Eleventh embodiment)
FIG. 39 shows an eleventh embodiment of the present invention. The same components as those in the first to tenth embodiments are denoted by the same reference numerals and description thereof is omitted.

  In the first to ninth embodiments, the front case 1 is moved forward uniformly with respect to the fan case 2, but in the eleventh embodiment, only one side of the front case 1 is moved forward. Yes. In this way, when the air purifier is placed in the gap of the furniture or the like, the front case 1 is once installed in the gap of the furniture or the like without moving the front case in advance, and then the front side according to the installation space. A reduction in intake efficiency can be prevented by moving only the case 1 to the front. As a result, installation workability can be improved. The moving means for moving the front case 1 forward may be any moving means of the first to ninth embodiments.

It is a sectional side view of the air cleaner of the best 1st Embodiment for implementing this invention. It is sectional drawing which looked at the air cleaner from upper direction. It is a front view of the air cleaner. It is a side view of the air cleaner. It is sectional drawing which looked at the air cleaner from the upper part, and shows the state which moved the front case ahead. In the side view of the same air cleaner, a state where the front case is moved forward is shown. It is a reverse view of the front case of the same air cleaner. FIG. 7 is a cross-sectional view taken along the line AA in FIG. 6 and shows a state where the front case is mounted on the fan case. FIG. 7 is a cross-sectional view taken along the line BB in FIG. 6 and shows a state where the front case is mounted on the fan case. It is a figure which shows the state which moved the front case ahead in FIG. It is a figure which shows one shape of the nail | claw part of the convex part of the air cleaner. It is a figure which shows the other shape of the nail | claw part of the convex part of the air cleaner. It is a figure which shows another another shape of the nail | claw part of the convex part of the same air cleaner. It is sectional drawing which shows the other shape of the elastic member of the air cleaner. It is sectional drawing which shows the state which mounted | wore the elastic member of the other shape of the same air cleaner. It is sectional drawing which shows the state which comprised the movement to the front of the front case of the same air cleaner in multiple steps. It is sectional drawing which shows the state which comprised the movement to the front of the front case of the same air cleaner in several steps, and shows the state which moved the front case to the front. It is a side view of the air cleaner of 2nd Embodiment best for implementing this invention. In the side view of the same air cleaner, a state where the front case is moved forward is shown. It is sectional drawing which shows the engagement state of the front case and fan case in FIG. It is sectional drawing which shows the engagement state of the front case and fan case in FIG. It is sectional drawing which shows the engagement state of the front case and fan case of the air cleaner of the best 3rd Embodiment for implementing this invention. It is sectional drawing which shows the engagement state of the front case and fan case of the same air cleaner, and shows the state which moved the front case ahead. It is sectional drawing which shows the engagement state of the front case and fan case of the air cleaner of the best 4th Embodiment for implementing this invention. It is sectional drawing which shows the engagement state of the front case and fan case of the same air cleaner, and shows the state which moved the front case ahead. It is sectional drawing which shows the engagement state of the front case and fan case of the air cleaner of the best 5th Embodiment for implementing this invention. It is sectional drawing which shows the engagement state of the front case and fan case of the same air cleaner, and shows the state which moved the front case ahead. It is sectional drawing which shows the engagement state of the front case and fan case of the air cleaner of the best 6th Embodiment for implementing this invention. It is sectional drawing which shows the engagement state of the front case and fan case of the same air cleaner, and shows the state which moved the front case ahead. It is sectional drawing which shows the engagement state of the front case and fan case of the air cleaner of the best 7th Embodiment for implementing this invention. It is sectional drawing which shows the engagement state of the front case and fan case of the same air cleaner, and shows the state which moved the front case ahead. It is CC sectional drawing of FIG. It is a side view which shows the engagement state of the front case and fan case of the air cleaner of the best 8th Embodiment for implementing this invention. It is a side view which shows the engagement state of the front case of the same air cleaner, and a fan case, and the state which moved the front case ahead is shown. It is a perspective view which shows the engagement state of the front case and fan case of the air cleaner of the best 9th Embodiment for implementing this invention. It is a side view which shows the engagement state of the front case and fan case of the same air cleaner. It is a side view which shows the engagement state of the front case of the same air cleaner, and a fan case, and the state which moved the front case ahead is shown. It is sectional drawing which looked at the air cleaner of 10th Embodiment best for implementing this invention from the upper direction. It is sectional drawing which looked at the air cleaner of the best 11th Embodiment for implementing this invention from upper direction.

Explanation of symbols

4 Body Case 5 Intake Port 6 Exhaust Port 7 Air Flow Path 8 Filter 9 Blowing Means 25 Clearance

Claims (19)

A main body case having an intake port and an exhaust port; an air flow path provided in the main body case and communicating the intake port and the exhaust port; a filter disposed in the main body case facing the air flow path; and an intake port And a blower for exhausting the air sucked into the main body case from the exhaust port through the filter. The main body case includes a case main body and a front case that is detachably attached to the case main body. The mouth is formed on the front surface of the front case and the side surface of the case main body, and constitutes a moving means between the case main body and the front case so that the front case can be movably attached to the case main body. An air cleaner characterized in that air can be sucked into the main body case through a gap between the case main body and the front case formed by the forward movement of the front case by means. A main body case having an intake port and an exhaust port; an air flow path provided in the main body case and communicating the intake port and the exhaust port; a filter disposed in the main body case facing the air flow path; and an intake port And air blowing means for exhausting air sucked into the main body case from the exhaust port through a filter, and the main body case includes a case main body and a front case that is detachably attached to the case main body. The intake port is formed on the front surface of the front case and the side surface of the case body, and the case body forms a ridge wall projecting toward the front case side, and the ridge wall has an intake opening. The moving means is configured between the case main body and the front case so that the front case can be movably mounted forward with respect to the case main body, and the opening is formed by moving the front case forward by the moving means. Open air Communicated, air purifier being characterized in that to allow the intake of air into the body casing through the opening. 3. The air purifier according to claim 2, wherein the moving means comprises an engaging means formed between an outer wall of the ridge wall and an inner wall of the front case facing the outer wall of the ridge wall. Machine. The air cleaner according to claim 3, wherein the engaging means is provided in a plurality of stages along the moving direction of the front case. The said moving means is comprised by the engaging means of the nail | claw of the convex part protrudingly formed in the front case, and the elastic member fixed to the case main body by the fixing member. 2. The air cleaner according to 2. 6. The air cleaner according to claim 5, wherein the elastic member and the fixing member are integrally formed. The engaging means is provided at least in two places on the left and right of the upper part of the front case and the lower part of the front case, and urges the front case downward via the convex portion by the elastic force of the elastic member on the upper part of the front case. The air cleaner according to claim 5 or 6, wherein the front case is urged from the inner side to the outer side through a convex portion by elastic force of two elastic members at the left and right of the lower part of the front case. The air cleaner according to any one of claims 5 to 7, wherein the engaging means is provided in a plurality of stages along the moving direction of the front case. The air purifier according to claim 1 or 2, wherein the moving means is configured by an engaging means of a convex portion protruding from the front case and a concave portion formed in the case main body. The air cleaner according to claim 9, wherein the engaging means is provided in a plurality of stages along the moving direction of the front case. The air cleaner according to claim 9 or 10, wherein the engaging means is constituted by a protruding portion formed on the outer periphery of the convex portion and an engaging groove formed on the inner surface of the concave portion. The air cleaner according to claim 9 or 10, wherein the engaging means includes a protrusion formed on the inner surface of the recess and an engagement groove formed on the outer periphery of the protrusion. The said engaging means is comprised by the cyclic | annular elastic body with which the groove part of the convex part was mounted | worn, and the engaging groove formed in the recessed part inner surface, The Claim 9 or Claim 10 characterized by the above-mentioned.
The air cleaner described. The said engaging means is comprised by the protrusion part formed in the convex part outer periphery, and the engaging groove formed in the inner surface of the elastic body inserted in a recessed part, The Claim 9 or Claim characterized by the above-mentioned. Item 13. An air cleaner according to Item 10. The engaging means is configured by an annular elastic body that is mounted on a mounting portion in which the outer periphery of the concave portion is partially cut out and faces the concave portion via the mounting portion, and an engagement groove formed in the convex portion. The air cleaner according to claim 9 or 10, characterized in that The air cleaner according to claim 1 or 2, wherein the moving means is constituted by a connector for connecting the front case and the case main body. The said moving means is comprised by engagement with the groove part formed in the side wall of the front case, and the nail | claw part formed protruding from the case main body toward the front case side. The air cleaner according to claim 2. The air cleaner according to claim 16 or 17, wherein the moving means can adjust the movement of the front case in a plurality of stages. The air cleaner according to any one of claims 1 to 18, wherein the case main body includes a rear case formed to be narrower than the case main body, and an air inlet is formed in the rear case.

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