CN210070095U - Air purifier shell - Google Patents

Abstract

The utility model provides an air purifier shell, which comprises an outer cover and a collet, wherein the collet is provided with a central cavity with a downward opening, the collet is provided with a slot, the side wall of the slot is provided with a yielding opening communicated with the central cavity, an insert rod is fixedly arranged on the outer cover, the outer cover is inserted into the slot of the collet through the insert rod, and the insert rod is provided with a mounting groove corresponding to the yielding opening; the inner container comprises a bottom support and a bottom support, wherein a central cavity of the bottom support is internally provided with a limiting structure, the limiting structure comprises a swing arm, a driving part and an inner container convex part, the inner container convex part is connected with the swing arm and corresponds to the abdicating opening, the driving part is connected with the swing arm in a driving mode so as to drive the swing arm to swing in a reciprocating mode, and the swing of the swing arm drives the inner container convex part to switch between a first position extending out of the inserting groove and inserted into the installing groove of the inserting rod and a second position retracting back to the central; has the advantage of extremely simple and convenient assembly and disassembly operation.

Description

Air purifier shell

Technical Field

The utility model relates to an air purifier technical field especially relates to an air purifier casing.

Background

In recent years, the air quality of cities in China is relatively poor, and the weather of haze and dust is increased. As is known to all, the air contains a certain amount of dust particles, bacteria and viruses which are harmful to human health, poisonous and harmful gases can be emitted in a certain time when a living room is decorated, and harmful bacteria and viruses are easily spread in public places with dense personnel, so that the health of people is influenced. With the improvement of living standard of people, people pay more and more attention to the quality of surrounding living environment, especially indoor air, the quality requirement of surrounding or indoor air is higher and higher, and various air purifiers are adopted to change the quality of indoor air. Therefore, air purifiers for the purpose of purifying indoor air are emerging in large numbers. However, the filter element in the shell of the existing air purifier has the defect of troublesome replacement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the filter element in the existing air purifier shell is troublesome to replace.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

an air purifier shell comprises an outer cover and a bottom support, wherein a central cavity with a downward opening is formed in the bottom support, a slot is formed in the bottom support, a yielding opening penetrating through the central cavity is formed in the side wall of the slot, an inserting rod is fixedly arranged on the outer cover, the outer cover is inserted into the slot in the bottom support through the inserting rod, and a mounting groove corresponding to the yielding opening is formed in the inserting rod;

be equipped with limit structure in the central cavity of collet, limit structure includes swing arm, drive division and inner bag convex part, the swing arm pin joint is on the first fixed axle in the central cavity, the swing arm is connected to the inner bag convex part to correspond the opening of stepping down, the swing arm is connected in the drive division drive, with the swing arm swing of drive, the swing of swing arm drives the inner bag convex part and switches between the second position that stretches out to the slot and insert to the mounting groove of inserted bar in the primary importance and retract to central cavity.

Furthermore, the driving part comprises a connecting rod, an elastic part and a bolt part, the middle position of the swing arm is pivoted on a first fixed shaft in the central cavity, the first end of the swing arm is connected with the convex part of the liner, the second end of the swing arm is pivoted with the first end of the connecting rod, and the elastic part always applies a force towards the second end of the connecting rod to drive the connecting rod to move towards the second end of the connecting rod; the inserting and inserting movement of the bolt piece is abutted against the second end of the connecting rod and drives the connecting rod to move towards the direction of the first end of the connecting rod by overcoming the force of the elastic piece, and the reciprocating movement of the connecting rod towards the direction of the first end and the direction of the second end drives the swing arm to swing in a reciprocating mode so as to drive the convex part of the inner container to be switched between the first position and the second position.

Furthermore, the driving part further comprises a shifting rod, the middle position of the shifting rod is pivoted on a second fixed shaft in the central cavity, the first end of the shifting rod is connected with the plug pin piece, and the second end of the shifting rod extends to the outside of the bottom support to form a shifting key.

Furthermore, the driving part also comprises an elastic chassis, the elastic chassis covers the bottom opening of the central cavity of the bottom support, the elastic chassis is fixedly connected with the bolt piece, and the elastic chassis presses the driving bolt piece towards the elasticity in the central cavity to insert and establish the movement.

The bottom cover is fixedly covered in the bottom opening of the central cavity of the bottom support; the center of the bottom cover is provided with a through hole of the abdicating bolt piece, and the bottom cover is also sunken into the central cavity to form a sunken area for the elastic pressing of the elastic chassis.

Furthermore, the elastic part is a tension spring, a fixed connecting column is arranged in the central cavity, the bolt part is of a hollow structure and is sleeved outside the fixed connecting column, the first end of the tension spring is fixedly connected to the fixed connecting column, the second end of the tension spring is fixedly connected to the second end of the connecting rod, and a yielding notch for yielding the tension spring is formed in the bolt part.

Further, the second end of connecting rod is formed with the arc conflict portion with the lateral wall matched with of bolt spare.

Further, the slot is equipped with a plurality ofly, limit structure's the cooperation structure of elastic component, connecting rod and swing arm is equipped with multiunit and one-to-one slot, and the arc conflict portion of the second end of connecting rod encloses and closes and form a centre bore in the cooperation structure of multiunit elastic component, connecting rod and swing arm, the bolt piece is equipped with one to wear to locate in the centre bore that encloses.

Furthermore, the central hole is in a horn-shaped structure with a narrow upper part and a wide lower part.

Furthermore, the inserting end part of the bolt piece is of a conical guide structure.

Furthermore, the opposite side wall of the slot is provided with two abdicating openings, the swing arms are symmetrically arranged, the second ends of the two swing arms are pivoted with the connecting rod at the same time, and the inner container convex parts of the first ends of the two swing arms respectively correspond to the abdicating openings on the opposite side wall of the slot.

Furthermore, the swing arm and the inner container convex part are of an integral connecting structure.

The utility model adopts the above technical scheme, following beneficial effect has:

the filter element is placed on the outer cover, the outer cover is inserted into the slot of the bottom support through the inserting rod, and the swing arm is controlled to swing through the driving part, so that the convex part of the inner container is inserted into the mounting groove of the inserting rod from the abdicating opening of the slot to be limited or retracts to the central cavity to be separated from the mounting groove of the inserting rod to cancel the limitation, and the outer cover and the disassembly of the outer cover can be realized, and the filter element is convenient to replace; has the advantage of extremely simple and convenient assembly and disassembly operation.

Drawings

FIG. 1 is a schematic front view of an assembly of an air cleaner housing according to an embodiment;

FIG. 2 is an exploded view of the housing of the air purifier according to one embodiment;

FIG. 3 is a cross-sectional view of the air cleaner housing of an embodiment with the inner bladder protrusion in a first position;

FIG. 4 is a cross-sectional view of the air cleaner housing of an embodiment with the inner bladder protrusion in a second position;

FIG. 5 is a cross-sectional view of the interior of a base according to an embodiment;

FIG. 6 is a second cross-sectional view of the interior of the base of the first embodiment;

FIG. 7 is an assembly view of a position limiting structure according to an embodiment;

FIG. 8 is a schematic view showing the connection of the plug member and the pin tumbler according to the first embodiment;

FIG. 9 is a schematic structural view of a connecting rod according to a first embodiment;

FIG. 10 is a schematic view showing the connection between the swing arm and the convex portion of the inner container according to the first embodiment;

fig. 11 is a sectional view of the structure according to the second embodiment.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Below with being applied to the air purifier and showing for the example the utility model discloses, nevertheless technical personnel in the field can be right according to the practical application occasion the utility model discloses implement and suitably adjust, should not regard as right the utility model discloses a restriction.

Example one

Referring to fig. 1 to 10, the air purifier casing that this embodiment provided, including dustcoat 1 and collet 2, set up the decurrent central cavity 21 of an opening on collet 2, slot 211 has been seted up on collet 2, slot 211's lateral wall is provided with the opening 2111 of stepping down that link up to central cavity 21, the inserted bar 11 has set firmly on dustcoat 1, dustcoat 1 inserts through inserted bar 11 and locates in the slot 211 of collet 2, set up the mounting groove 111 that corresponds the opening 2111 of stepping down on inserted bar 11.

Be equipped with limit structure in the central cavity 21 of collet 2, limit structure includes swing arm 43, drive division and inner bag convex part 44, the swing arm pin joint is on first fixed axle 201 in central cavity 21, inner bag convex part 44 is connected swing arm 43 to correspond the opening 2111 of stepping down, drive division drive connection swing arm 43 to drive swing arm 43 swing, swing of swing arm 43 drives inner bag convex part 44 and is stretching out to slot 211 and insert the switching between the second position of retracting to central cavity 21 to the primary importance in the mounting groove 111 of inserted bar 11 and retracting.

The filter element is placed on the outer cover 1, the outer cover 1 is inserted into the slot 211 of the bottom support 2 through the inserting rod 11, and then the swing arm 43 is controlled to swing through the driving part, so that the inner container convex part 44 is inserted into the mounting groove 111 of the inserting rod 11 from the abdicating opening 2111 of the slot 211 to be limited or retracts to the central cavity 21 to be separated from the mounting groove 111 of the inserting rod 11 to cancel the limitation, and then the assembly and disassembly of the outer cover 1 can be realized, and the filter element is convenient to replace; has the advantage of extremely simple and convenient assembly and disassembly operation.

Further, in this embodiment, the driving portion includes a connecting rod 46, an elastic element 42 and a latch element 41, the second end 432 of the swing arm 43 is pivotally connected to the first end 461 of the connecting rod 46, the elastic element 42 always applies a force to the connecting rod 46 in a direction toward the second end 462 of the connecting rod 46, so as to drive the connecting rod 46 to move in a direction toward the second end 462 thereof; the insertion movement of the latch member 41 abuts against the second end 462 of the connecting rod 46, and drives the connecting rod 46 to move toward the first end 461 thereof against the force of the elastic member 42, the connecting rod 46 reciprocates toward the first end 461 and the second end 462 thereof, and drives the swing arm 43 to swing reciprocally, and the swing of the swing arm 43 further drives the inner bladder protrusion 44 to switch between a first position (shown in fig. 3) where the inner bladder protrusion extends to the slot 211 and is inserted into the mounting groove 111 of the inserting rod 11 for limiting and a second position (shown in fig. 4) where the inner bladder protrusion retracts to the central cavity 21 to disengage from the mounting groove 111 of the inserting rod 11 for canceling the limiting.

When the filter element is installed, the filter element is placed on the outer cover 1, the outer cover 1 is inserted into the slot 211 of the bottom support through the inserting rod 11, and then the inserting movement of the inserting pin piece 41 is controlled, so that the inner container convex part 44 is inserted into the installing groove 111 of the inserting rod 11 from the abdicating opening 2111 of the slot 211 for limiting, and the outer cover 1 is further limited from being pulled out to realize fixation; when the filter element needs to be replaced, the outer cover 1 can be detached only by controlling the inserting and installing movement of the plug pin piece 41 to enable the inner container convex part 44 to retract to the central cavity 21 so as to be separated from the installation groove 111 of the plug rod 11 and cancel the limiting.

The driving part of the embodiment adopts the connecting rod 46, the elastic piece 42 and the bolt piece 41, and the swing arm 43 swings under the action of the elastic piece 42 and the bolt piece 41 respectively, so that the structure is simple. Of course, in other embodiments, other driving components capable of driving the swing arm 43 to swing may be used.

Further, in this embodiment, the limiting structure is configured to: when the connecting rod 46 moves towards the second end 462 thereof, the swing arm 43 is driven to swing so as to switch the inner container protrusion 44 to a first position where the inner container protrusion extends out of the slot 211 and is inserted into the mounting groove 111 of the insertion rod 11 for limiting, and when the connecting rod 46 moves towards the first end 461 thereof, the swing arm 43 is driven to swing so as to switch the inner container protrusion 44 to a second position where the inner container protrusion retracts into the central cavity 21 so as to be separated from the mounting groove 111 of the insertion rod 11 for eliminating limiting. That is, the elastic member 42 is driven to switch the inner container convex part 44 to the second position, and the insertion of the latch member 41 drives the inner container convex part 44 to switch to the first position, when the inner container is required to be detached, the latch member 41 is inserted to abut against the second end of the connecting rod 46, so that the connecting rod 46 moves towards the first end 461 thereof, and further, the inner container convex part 44 retracts to the central cavity 21 to be separated from the mounting groove 111 of the inserting rod 11, and the inserting rod 11 is separated from the limitation of the inner container convex part 44, so that the inner container can be pulled out; after the filter element is replaced, the housing 1 is inserted into the slot 211 again through the insertion rod 11, at this time, the interference of the insertion pin 41 is removed, the connection rod 46 moves towards the second end 462 thereof under the action of the elastic element 42, so that the inner container convex part 44 is switched to the first position again, and the limiting and fixing of the housing 1 are realized.

Of course, in other embodiments, the limiting structure may also be configured to: when the connecting rod 46 moves towards the second end 462 thereof, the swing arm 43 is driven to swing so as to switch the inner container protrusion 44 to a second position where the inner container protrusion retracts to the central cavity 21 to be separated from the mounting groove 111 of the inserting rod 11 to cancel the limit; when the connecting rod 46 moves towards the first end 461, the swing arm 43 is driven to swing so that the inner container protrusion 44 is switched to the first position where it extends out of the slot 211 and is inserted into the mounting slot 111 of the inserting rod 11 for limiting. This can be set by those skilled in the art according to the actual situation, for example, the extension direction of the liner convex part is changed, that is, the liner convex part extends reversely.

Specifically, in this embodiment, the first fixing shaft 201 is formed by extending the bottom bracket 2 into the central cavity 21. And are not so limited in other embodiments.

Specifically, in this embodiment, the housing 1 includes the frame body that has the inserted bar 11 and the cover body that has the installation cavity, and the frame body and the cover body are detachable fixed connection, and the installation cavity of the cover body is used for installing the filter core. In other embodiments, the structure of the housing 1 is not limited thereto.

Further, in this embodiment, the driving portion further includes a shift lever 45, a middle portion of the shift lever 45 is pivotally connected to the second fixed shaft 202 in the central cavity 21, a first end of the shift lever 45 is connected to the plug member 41, and a second end of the shift lever 45 extends to the bottom bracket 2 to form a shift key 451; when the toggle key 451 is toggled down, the pin member 41 moves upward to abut against the second end 462 of the connecting rod 46, so as to drive the connecting rod 46 to move toward the first end 461 thereof, and further drive the inner protrusion 44 to switch to the second position where it retracts to the central cavity 21 to disengage from the mounting groove 111 of the insertion rod 11 to cancel the position limitation. When the toggle key 451 is toggled upwards, the latch member 41 moves downwards, the second end 462 of the connecting rod 46 loses the interference of the latch member 41, and moves towards the second end 462 under the action of the elastic member 42, so as to drive the inner container protrusion 44 to switch to the first position where the inner container protrusion extends out of the slot 211 and is inserted into the mounting groove 222 of the insertion rod 22 for limiting. The bolt piece 41 is controlled by a mode of toggling the key 451, so that the structure is simple, and the operation is simpler and more convenient.

Further, in this embodiment, the elastic component 42 is the extension spring, be equipped with the fixed connection post 203 in the central cavity 21, it is specific, this fixed connection post 203 is extended to central cavity 21 by collet 2 and forms, bolt piece 41 is hollow structure, bolt piece 41 cup joints outside fixed connection post 203, the first end fixed connection of extension spring 42 is on fixed connection post 203, the second end fixed connection of extension spring 42 is in the second end 462 of connecting rod 46, set up the breach 413 of stepping down that steps down in extension spring 42 on the bolt piece 41, the pulling force drive connecting rod 46 of extension spring 42 moves towards the second end 462 direction of connecting rod 46, inserts when bolt piece 41, the second end 462 of connecting rod 46 contradicts in bolt piece 41, and is driven towards its first end 461 direction by bolt piece 41 and removes. Of course, in other embodiments, the elastic member may also adopt other types of structures, such as a compression spring, a V-shaped elastic sheet, etc., as long as the elastic member exerts a force on the connecting rod in the direction of the second end of the connecting rod.

Further, in this embodiment, the second end 462 of the connecting rod 46 is formed with the arc conflict portion 463 with the lateral wall matched with of bolt piece 41, and the connecting rod 46 realizes conflict cooperation with bolt piece 41 through arc conflict portion 463, and arc conflict portion 463 can play half-clad effect, makes the cooperation structure between connecting rod 46 and the bolt piece 41 more stable, and is difficult for dislocation. Of course, in other embodiments, other structures for achieving positioning and guiding between the connecting rod 46 and the latch member 41 may be used instead.

Furthermore, in this embodiment, the plurality of slots 211 are provided, the matching structures of the elastic element 42, the connecting rod 46 and the swing arm 43 of the limiting structure are provided with a plurality of sets of slots 211 corresponding to one another, and the arc-shaped interference portions 463 of the second end 462 of the connecting rod 46 in the matching structures of the elastic element 42, the connecting rod 46 and the swing arm 43 together enclose a central hole, the one pin 41 is provided and penetrates through the enclosed central hole, when the housing 1 needs to be disassembled, the pin 41 is inserted into the central hole, the insertion of the pin 41 props up the central hole, that is, the second end 462 of the connecting rod 46 abuts against the pin 41, and the pin 41 drives the connecting rod 46 to move towards the first end 461 direction. With such an arrangement, a plurality of sets of inner container protrusions 44 can be driven simultaneously by one latch member 41. Of course, in other embodiments, the elastic members of the multiple sets of limiting structures, the connecting rods and the matching structures of the swing arms can also be driven by the multiple pin members respectively.

Specifically, three slots 211 are provided, and similarly, three sets of the elastic members 42 of the limiting structure, the connecting rods 46 and the matching structures of the swing arms 43 are also provided, and in other embodiments, the number of the three sets may be one, two, more than two, or the like according to practical situations.

Further, in the present embodiment, the inserting end 412 of the latch member 41 is a tapered guiding structure, the tapered guiding structure has a guiding function, the inserting end 412 of the tapered guiding structure starts to contact the second end 462 of the connecting rod 46 during the inserting stage of the latch member 41, and during the process from the inserting stage to the full inserting stage of the latch member 41, the inserting end 412 gradually drives the connecting rod 46 to move towards the first end 461 of the connecting rod 46. The tapered guide structure is provided at the insertion end portion 412 of the latch piece 41, so that the structure is simple and the operation is smoother. Of course, in other embodiments, an angled guide surface (not shown) may be provided at the second end 462 of the connecting rod 46 to engage the latch member; that is, the arc interference portions at the second end are set to be inclined guide surfaces, and a central hole formed by enclosing the arc interference portions 463 of the plurality of connecting rods 46 is a horn-shaped structure (not shown) with a narrow top and a wide bottom, and is used for realizing the matching of the latch piece.

Further, in this embodiment, the base further includes a bottom cover 6, and the bottom cover 6 is fixedly covered in the bottom opening of the central cavity 21 of the base 2; realize the fixed closure. Specifically, the bottom support 2 and the bottom cover 6 are respectively provided with a corresponding connecting column in an extending manner, the connecting columns are provided with corresponding connecting holes, and the connecting columns are fixedly connected in a penetrating manner through fixing parts (such as bolts), so that the bottom cover 6 is fixedly covered with the bottom support 2. Of course, in other embodiments, the bottom cover 6 and the bottom support 2 may be fixed and covered by conventional methods such as adhesion, clamping, or screwing.

Further, in this embodiment, an opposite side wall of the slot 211 is provided with a yielding opening 2111, and two swing arms 43 are symmetrically arranged, that is, each group of matching structures in this embodiment is provided with two swing arms 43. The second ends of the two swing arms 43 are pivotally connected to the connecting rod 46, and the inner container protrusions 44 of the first ends of the two swing arms 43 respectively correspond to the offset openings 2111 on the opposite side walls of the slot 211. The same inserted bar 11 adopts two inner bag convex parts 44 on left and right sides to carry out embedding and limiting, and the structure is more stable. Of course, in other embodiments, one may be used.

Further, in this embodiment, the swing arm 43 and the inner container protrusion 44 are an integral connecting structure, and during the preparation, the integral injection molding can be adopted, so that the preparation is simpler and more convenient. Of course, in other embodiments, the swing arm 43 and the liner protrusion 44 may be separate devices and connected by assembling.

EXAMPLE III

The air purifier shell provided by the embodiment is substantially the same as the structure in the second embodiment, and the difference is that: referring to fig. 11, in the present embodiment, the operation of the latch member 41 is not performed by the key button 451, but by pressing the elastic chassis 47, which is specifically as follows: the driving part further comprises an elastic chassis 47, the elastic chassis 47 covers the bottom opening of the central cavity 21 of the bottom support 2, the elastic chassis 47 is fixedly connected with the plug pin piece 41, and the elastic chassis 47 elastically presses the plug pin piece 41 towards the inside of the central cavity 21 to drive the plug pin piece 41 to insert and move. When the inner container protrusion 44 needs to be switched back to the second position, only the elastic chassis 47 is pressed, the elastic chassis 47 is forced inward (inside the central cavity 21) to generate elastic deformation, the pressing of the elastic chassis 47 drives the insertion of the latch member 41, and further drives the connecting rod 46 to move toward the first end 461 of the connecting rod 46, so that the inner container protrusion 44 retracts into the central cavity 21. When the elastic bottom disc 47 loses the external force, it recovers the deformation to drive the latch member 41 to disengage from the interference with the connecting rod 46, and the connecting rod 46 moves toward the second end 462 again under the action of the elastic member 42, so that the inner container protrusion 44 is switched to the first position. The elastic chassis 47 is adopted for driving, and the characteristics of simple structure and simple and convenient operation are achieved.

Further, in this embodiment, the structure of the bottom cover 6 is retained, and a through hole 601 of the abdicating latch member 41 is formed in the center of the bottom cover 6 for the latch member 41 to pass through; the bottom cover 6 is also sunken into the central cavity 21 to form a sunken area for the elastic chassis 47 to elastically press, so that the elastic chassis 47 can give way during pressing, and meanwhile, the bottom cover also plays a role in limiting, and the elastic chassis 47 is prevented from being excessively pressed. Of course, in other embodiments, the structure of the bottom cover 6 may be omitted, and the structure of the elastic chassis 47 may be directly adopted.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. An air purifier housing, its characterized in that: the anti-theft device comprises an outer cover and a bottom support, wherein the bottom support is provided with a central cavity with a downward opening, the bottom support is provided with a slot, the side wall of the slot is provided with a yielding opening communicated with the central cavity, the outer cover is fixedly provided with an insertion rod, the outer cover is inserted into the slot of the bottom support through the insertion rod, and the insertion rod is provided with a mounting groove corresponding to the yielding opening;

be equipped with limit structure in the central cavity of collet, limit structure includes swing arm, drive division and inner bag convex part, the swing arm pin joint is on the first fixed axle in the central cavity, the swing arm is connected to the inner bag convex part to the opening of stepping down correspondingly, the swing arm is connected in the drive division drive to drive swing arm reciprocating swing, the swing of swing arm drives the inner bag convex part and switches between the second position that stretches out to slot and insert to the mounting groove of inserted bar and retract to central cavity.

2. The air cleaner housing of claim 1, wherein: the driving part comprises a connecting rod, an elastic piece and a bolt piece, the middle position of the swing arm is pivoted on a first fixed shaft in the central cavity, the first end of the swing arm is connected with the convex part of the liner, the second end of the swing arm is pivoted with the first end of the connecting rod, and the elastic piece always applies a force towards the second end of the connecting rod to the connecting rod so as to drive the connecting rod to move towards the second end of the connecting rod; the inserting and inserting movement of the bolt piece is abutted against the second end of the connecting rod and drives the connecting rod to move towards the direction of the first end of the connecting rod by overcoming the force of the elastic piece, and the reciprocating movement of the connecting rod towards the direction of the first end and the direction of the second end drives the swing arm to swing in a reciprocating mode so as to drive the convex part of the inner container to be switched between the first position and the second position.

3. The air cleaner housing of claim 2, wherein: the driving part further comprises a shifting rod, the middle of the shifting rod is pivoted on a second fixed shaft in the central cavity, the first end of the shifting rod is connected with the plug pin piece, and the second end of the shifting rod extends to the outside of the bottom support to form a shifting key.

4. The air cleaner housing of claim 2, wherein: the driving part further comprises an elastic chassis, the elastic chassis covers the bottom opening of the central cavity of the bottom support, the elastic chassis is fixedly connected with the plug pin piece, and the elastic chassis presses towards the elasticity in the central cavity to drive the plug pin piece to be inserted and arranged movably.

5. The air cleaner housing of claim 4, wherein: the bottom cover is fixedly covered in the bottom opening of the central cavity of the bottom support; the center of the bottom cover is provided with a through hole of the abdicating bolt piece, and the bottom cover is also sunken into the central cavity to form a sunken area for the elastic pressing of the elastic chassis.

6. The air cleaner housing of claim 2, wherein: the elastic piece is a tension spring, a fixed connecting column is arranged in the central cavity, the bolt piece is of a hollow structure and is sleeved outside the fixed connecting column, a first end of the tension spring is fixedly connected to the fixed connecting column, a second end of the tension spring is fixedly connected to a second end of the connecting rod, and a yielding notch for yielding the tension spring is formed in the bolt piece.

7. The air cleaner housing of claim 2, wherein: the second end of connecting rod is formed with the arc conflict portion with the lateral wall matched with of bolt spare.

8. The air cleaner housing of claim 7, wherein: the slot is equipped with a plurality ofly, limit structure's elastic component, connecting rod and the cooperation structure of swing arm are equipped with multiunit and one-to-one slot, and the arc conflict portion of the second end of connecting rod encloses and closes and form a centre bore among the cooperation structure of multiunit elastic component, connecting rod and swing arm, the bolt spare is equipped with one to wear to locate in the centre bore that encloses.

9. The air cleaner housing of claim 8, wherein: the center hole is of a horn-shaped structure with a narrow upper part and a wide lower part.

10. The air cleaner housing of claim 2, wherein: the inserting end part of the bolt piece is of a conical guide structure.

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