CN210495548U

CN210495548U - Air purifier

Info

Publication number: CN210495548U
Application number: CN201920885217.3U
Authority: CN
Inventors: 赵琛; 罗汉兵; 潘海元; 何荣基; 张帅; 李泳樺
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-05-12
Anticipated expiration: 2029-06-11

Abstract

The utility model provides an air purifier. The air purifier includes: the guide rail part is arranged on an indoor wall; the purifier body is movably arranged on the guide rail part. The technical scheme of the utility model the air purifier among the prior art has been solved can only put and carry out the problem that purifies subaerial whole indoor air.

Description

Air purifier

Technical Field

The utility model relates to an air purification technical field particularly, relates to an air purifier.

Background

Because the atmospheric pollution condition is becoming serious and the requirement of residents on the indoor air environment quality is becoming higher and higher at present, the indoor configuration of the air purifier becomes the daily choice of the residents.

Air purifier among the prior art can only put subaerial, purifies whole indoor air. The air purifier placed on the ground can occupy a large space, so that the activity space of a user is reduced, and meanwhile, the air purification efficiency is low.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an air purifier to solve the problem that the air purifier in the prior art can only be placed in the air purification of the whole room.

In order to achieve the above object, the utility model provides an air purifier, include: the guide rail part is arranged on an indoor wall; the purifier body is movably arranged on the guide rail part.

Further, the guide rail part has a rack structure; the purifier body includes: a housing; and the gear is pivotally arranged on the shell and is meshed with the rack structure.

Furthermore, the guide rail part is also provided with a guide groove, and the extension direction of the guide groove is the same as that of the rack structure; the clarifier organism still includes: the rotating shaft is arranged on the shell, the gear is pivotally sleeved on the rotating shaft, and at least part of the gear extends out of the shell and is meshed with the rack structure; the first end of the guide piece is connected with the rotating shaft, the second end of the guide piece is provided with a sliding block, and at least part of the sliding block extends into the guide groove and is in sliding connection with the guide groove.

Furthermore, the guide groove comprises a first guide groove section and a second guide groove section which are communicated, the first guide groove section is arranged close to the end face of the guide rail part relative to the second guide groove section, and the width of the first guide groove section is smaller than that of the second guide groove section; the slider is including the first sliding part and the second sliding part that are connected, first sliding part and first guide way section looks adaptation, and second sliding part and second guide way section looks adaptation to avoid the slider to deviate from in by the guide way.

Furthermore, a first connecting hole is formed in the guide piece, and the guide piece is pivotally sleeved on the rotating shaft through the first connecting hole; the purifier body also comprises a first stop piece which is fixedly connected with the rotating shaft extending out of the first connecting hole; the sliding block also comprises a connecting part connected with the second sliding part; the guide piece is also provided with a second connecting hole which is arranged at an interval with the first connecting hole, and the guide piece is pivotally sleeved on the connecting part through the second connecting hole; the purifier body also comprises a second stop piece which is fixedly connected with the connecting part extending out of the second connecting hole.

Further, a rack structure is arranged on the surface of the guide rail part, which faces away from the wall; the upper end surface of the guide rail part and the lower end surface of the guide rail part are respectively provided with a guide groove; the guide parts are two, the two guide parts are oppositely arranged and are respectively positioned on two sides of the gear, and the two guide parts are in one-to-one correspondence with the two guide grooves in sliding connection through the two sliding blocks.

Further, the guide rail part comprises a first guide rail section and a second guide rail section which are arranged at included angles, and the connecting part of the first guide rail section and the second guide rail section is in circular arc transition.

Further, the clarifier organism still includes the driving piece, and the driving piece sets up in the shell, and the output shaft and the gear drive of driving piece are connected.

Furthermore, an air inlet and an air outlet are arranged on the shell; the clarifier organism still includes: the filter screen is arranged at the air inlet; the output shaft of the driving part is in driving connection with the impeller.

Further, the output shaft of the drive member comprises a worm shaft section, which is in engagement with a gear wheel arranged between the worm shaft section and the rack structure for driving the gear wheel to rotate and to move in the direction of extension of the rack structure via the worm shaft section.

Further, the purifier body further comprises: the partition plate is arranged in the shell and divides the interior of the shell into a first installation space and a second installation space, the shell is provided with an air inlet and an air outlet which are communicated with the second installation space, and the partition plate is provided with an installation hole; the filter screen is arranged at the air inlet; the bearing is arranged at the mounting hole, and the outer peripheral wall of the bearing and the inner wall of the mounting hole are lubricated through an oil film; the output shaft also comprises a connecting shaft section and an impeller driving shaft section which are connected with the worm shaft section, the worm shaft section is positioned in the first installation space, the connecting shaft section is arranged at a bearing hole of the bearing in a penetrating way and is in interference fit with the bearing hole, and the impeller driving shaft section is positioned in the second installation space; and the impeller is arranged in the second mounting space and arranged on the impeller driving shaft section.

Further, the shell is cuboid, the length of shell is less than or equal to 50cm, and the height of shell is less than or equal to 50 cm.

Further, the guide rail part is provided with a guide groove, the purifier body comprises a sliding block, and at least part of the sliding block extends into the guide groove and is in sliding connection with the guide groove.

By applying the technical scheme of the utility model, the guide rail part is arranged on the indoor wall, and the purifier body can be movably arranged on the guide rail part, so that the air purifier can not occupy the ground space, thereby being beneficial to increasing the activity space of a user; meanwhile, the purifier body can move along the guide rail part to purify indoor air in a cruising way, so that the air purification is more efficient; in addition, the purifier body is not placed on the ground, so that the problem of incongruity and unattractive appearance between the purifier body and other furniture placed on the ground is avoided, and the attractiveness of the whole indoor environment is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an air purifier according to an alternative embodiment of the present invention;

fig. 2 shows a schematic configuration of a guide rail portion of the air purifier in fig. 1;

FIG. 3 is a schematic view showing an angular assembly of the guide rail part and the cleaner body of the air cleaner of FIG. 1;

FIG. 4 is a schematic view showing another angle of the guide rail part and the cleaner body of the air cleaner of FIG. 3 assembled;

fig. 5 is a schematic view showing an assembly structure of the housing, the partition, the bearing, and the output shaft of the driving member of the cleaner body of fig. 3.

Wherein the figures include the following reference numerals:

1. a wall; 100. a guide rail portion; 11. a rack structure; 12. a guide groove; 21. a first guide groove section; 22. a second guide groove section; 101. a first guide rail section; 102. a second guide rail section; 200. a purifier body; 10. a housing; 20. a gear; 30. a rotating shaft; 40. a guide member; 41. a first connection hole; 42. a second connection hole; 50. a slider; 51. a first sliding section; 52. a second sliding section; 53. a connecting portion; 60. a first stopper; 70. a second stopper; 80. a drive member; 81. an output shaft; 811. a worm shaft segment; 812. connecting the shaft sections; 813. a vane drive shaft section; 90. a filter screen; 110. an impeller; 120. a partition plate; 121. a first installation space; 122. a second installation space; 123. mounting holes; 130. a bearing; 131. and a bearing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problem that the air purifier in the prior art can only be put and purify the whole indoor air subaerial, the utility model provides an air purifier.

As shown in fig. 1, the air cleaner includes a rail part 100 for being disposed on a wall 1 of a room, and a cleaner body 200 movably disposed on the rail part 100.

In the embodiment of the present application, the guide rail part 100 is provided on the indoor wall 1, and the cleaner body 200 is movably provided on the guide rail part 100, so that the air cleaner does not occupy the floor space, thereby being advantageous to increase the activity space of the user; meanwhile, the cleaner body 200 can move along the guide rail part 100 to clean the indoor air in a cruise manner, so that the air cleaning is more efficient; in addition, the purifier body 200 is not placed on the ground, so that the problem of incongruity and unaesthetic appearance between the purifier body and other furniture placed on the ground is avoided, and the attractiveness of the whole indoor environment is improved.

As shown in fig. 2 and 3, the rail portion 100 has a rack structure 11; the cleaner body 200 includes a housing 10 and a gear 20, the gear 20 being pivotably provided on the housing 10, the gear 20 being engaged with the rack structure 11. In this way, the housing 10 can be moved along the extending direction of the rack structure 11 by the rotation of the driving gear 20, thereby achieving the technical effect of movably disposing the cleaner body 200 on the guide rail portion 100; in addition, the gear 20 is engaged with the rack structure 11 to have a certain self-locking function, so that the purifier body 200 can stay at the adjusted position.

As shown in fig. 3 and 4, the guide rail portion 100 further has a guide groove 12, and the extending direction of the guide groove 12 is the same as the extending direction of the rack structure 11; the purifier body 200 further comprises a rotating shaft 30 and a guiding element 40, wherein the rotating shaft 30 is arranged on the housing 10, the gear 20 is pivotally sleeved on the rotating shaft 30, at least part of the gear 20 extends out of the housing 10 and is meshed with the rack structure 11, a first end of the guiding element 40 is connected with the rotating shaft 30, a second end of the guiding element 40 is provided with a sliding block 50, and at least part of the sliding block 50 extends into the guiding groove 12 and is slidably connected with the guiding groove 12. Thus, in the process of controlling the gear 20 to rotate and move along the extending direction of the rack structure 11, the gear 20 can drive the rotating shaft 30 and the housing 10 to move synchronously, the rotating shaft 30 drives the sliding block 50 to slide along the guide groove 12 through the guide piece 40, the extending direction of the guide groove 12 is the same as the extending direction of the rack structure 11, the gear 20 can be reliably and stably meshed with the rack structure 11, and the situation that the purifier body 200 cannot move due to the fact that the gear 20 is separated from the rack structure 11 is avoided.

As shown in fig. 4, the guide groove 12 includes a first guide groove section 21 and a second guide groove section 22 that are communicated with each other, the first guide groove section 21 is disposed near an end surface of the guide rail portion 100 with respect to the second guide groove section 22, and a width of the first guide groove section 21 is smaller than a width of the second guide groove section 22; the slider 50 includes the first sliding portion 51 and the second sliding portion 52 that are connected, and the first sliding portion 51 is with first guide way section 21 looks adaptation, and the second sliding portion 52 is with second guide way section 22 looks adaptation to can avoid the slider 50 to deviate from in by the guide way 12, be favorable to further promoting the stability of being connected between clarifier organism 200 and guide rail portion 100.

If the connection between the guide 40 and the rotating shaft 30 is rigidly connected and the connection between the guide 40 and the slider 50 is also rigidly connected, the friction between the slider 50 and the guide slot 12 is large in the process that the gear 20 drives the rotating shaft 30, the guide 40 and the slider 50 to move, and the connection between the guide 40 and the rotating shaft 30 and the connection between the guide 40 and the slider 50 are easily broken. In order to solve the technical problem, as shown in fig. 4, a first connection hole 41 is formed on the guide member 40, and the guide member 40 is pivotally sleeved on the rotating shaft 30 through the first connection hole 41; the cleaner body 200 further includes a first stopper 60, the first stopper 60 being fixedly connected to the rotation shaft 30 extended from the first connection hole 41; the slider 50 further includes a connecting portion 53 connected to the second sliding portion 52; the guide piece 40 is further provided with a second connecting hole 42 arranged at an interval with the first connecting hole 41, and the guide piece 40 is pivotally sleeved on the connecting part 53 through the second connecting hole 42; the cleaner body 200 further includes a second stopper 70, and the second stopper 70 is fixedly coupled to the coupling portion 53 protruding from the second coupling hole 42. In this way, one end of the guide 40 is hinged to the rotating shaft 30, the other end of the guide 40 is hinged to the connecting portion 53 of the slider 50, and in the process that the control gear 20 rotates to drive the housing 10 to move along the extending direction of the rack structure 11, the guide 40 can rotate at a certain angle relative to the rotating shaft 30 or the slider 50, so as to avoid the fracture of the joint between the guide 40 and the rotating shaft 30 and the joint between the guide 40 and the slider 50, the friction between the slider 50 and the guide groove 12 is small, and the slider 50 can slide in the guide groove 12 more smoothly.

As shown in fig. 2 to 4, the surface of the guide rail portion 100 facing away from the wall 1 has a rack structure 11 thereon; the upper end surface of the guide rail part 100 and the lower end surface of the guide rail part 100 are respectively provided with a guide groove 12; the number of the guide members 40 is two, the two guide members 40 are oppositely arranged and respectively located at two sides of the gear 20, and the two guide members 40 are slidably connected with the two guide grooves 12 through the two sliders 50 in a one-to-one correspondence manner. Thus, the upper and lower sliding blocks 50 have a certain supporting function, so that the purifier body 200 can be reliably connected with the guide rail portion 100, the purifier body 200 is prevented from moving up and down relative to the guide rail portion 100, the upper and lower sliding blocks 50 are matched with the upper and lower guide grooves 12, the movement track of the gear 20 can be more reliably and effectively limited, and the gear 20 is prevented from being separated from the rack structure 11.

As shown in fig. 2, the guide rail portion 100 includes a first guide rail section 101 and a second guide rail section 102 arranged at an included angle, and the connection between the first guide rail section 101 and the second guide rail section 102 is in a circular arc transition. Like this, when wall 1 is including the two-sided wall body that is the contained angle setting, first guide rail section 101 is used for setting up on one side wall body, second guide rail section 102 is used for setting up on another side wall body, the corner of two-sided wall body is the part of circular arc transition, rack structure 11 of first guide rail section 101 and rack structure 11 smooth transition of second guide rail section 102, gear 20 can steadily and reliably rotate to rack structure 11 of second guide rail section 102 on by rack structure 11 of first guide rail section 101 to guarantee that clarifier organism 200 is moved smoothly to second guide rail section 102 by first guide rail section 101.

As shown in fig. 3, the purifier body 200 further comprises a driving member 80, the driving member 80 is disposed in the housing 10, and an output shaft 81 of the driving member 80 is drivingly connected to the gear 20. In this way, the gear 20 can be driven to rotate by the driving member 80, so as to drive the purifier body 200 to automatically move relative to the guide rail part 100, thereby realizing the cruise-type purification function, and being beneficial to improving the automation degree of the air purifier.

As shown in fig. 3, the housing 10 is provided with an air inlet and an air outlet; the purifier body 200 further comprises a filter screen 90 and an impeller 110, the filter screen 90 is disposed at the air inlet, and the output shaft 81 of the driving member 80 is drivingly connected with the impeller 110. Thus, the driving member 80 drives the impeller 110 to rotate, and indoor air enters the housing 10 through the air inlet, is filtered by the filter screen 90, and is then discharged back to the indoor through the air outlet. The driving member 80 is used to drive the impeller 110 and the gear 20 to rotate simultaneously, which is beneficial to the miniaturization design and the improvement of energy-saving performance of the purifier body 200.

As shown in fig. 3, the output shaft 81 of the driver 80 comprises a worm shaft segment 811, the worm shaft segment 811 meshes with the gear wheel 20, and the gear wheel 20 is arranged between the worm shaft segment 811 and the rack structure 11, so that the gear wheel 20 is driven to rotate by the worm shaft segment 811 and moves in the extending direction of the rack structure 11. The worm shaft section 811 is used for driving the gear 20 to rotate and move along the extending direction of the rack structure 11, so that the effect of speed reduction can be achieved, the movement stability of the purifier body 200 during cruising and purification can be improved, and the gear 20 is driven to rotate by the output shaft 81 of the driving part 80 for driving the impeller 110 to rotate, so that cruising and purification work can be carried out on the basis of unnecessary energy consumption.

As shown in fig. 3 and 5, the purifier body 200 further includes a partition 120 and a bearing 130, the partition 120 is disposed in the casing 10 and divides the inside of the casing 10 into a first installation space 121 and a second installation space 122, the casing 10 is provided with an air inlet and an air outlet communicated with the second installation space 122, the partition 120 is provided with an installation hole 123, and the filter screen 90 is disposed at the air inlet; the bearing 130 is installed at the installation hole 123, and oil film lubrication is performed between the outer peripheral wall of the bearing 130 and the inner wall of the installation hole 123; the output shaft 81 further includes a connecting shaft portion 812 connected to the worm shaft portion 811, and an impeller driving shaft portion 813, the worm shaft portion 811 is located in the first installation space 121, the connecting shaft portion 812 is inserted into the bearing hole 131 of the bearing 130 and is in interference fit with the bearing hole 131, the impeller driving shaft portion 813 is located in the second installation space 122, and the impeller 110 is disposed in the second installation space 122 and is disposed on the impeller driving shaft portion 813. First installation space 121 is as transmission space, and second installation space 122 is as purifying space, guarantees sealed between the two, and at least part of gear 20 need stretch out by shell 10 and mesh with rack structure 11, and the transmission space can't set to seal structure, makes purifying space closed relatively through setting up baffle 120 to be favorable to promoting the purification efficiency of clarifier organism 200.

The structure of output shaft 81 has been optimized to this application to set up baffle 120 and bearing 130, thereby both can guarantee the sealed between first installation space 121 and the second installation space 122, can guarantee again that the power transmission of output shaft 81 is steady smooth and easy firm.

Alternatively, the air purifier provided by the present application is a pocket-sized air purifier, that is, the size of the purifier body 200 is small, so as to prevent the air purifier from being too heavy to be movably disposed on the wall 1 through the guide rail part 100.

Optionally, the housing 10 is a rectangular parallelepiped, the length of the housing 10 is less than or equal to 50cm, the height of the housing 10 is less than or equal to 50cm, and correspondingly, the width of the housing 10 is less than or equal to 50 cm.

Alternatively, the gear 20 is located at the middle of the housing 10 in the height direction, which is advantageous for improving the connection stability between the housing 10 and the rail portion 100. During the movement of the cleaner body 200 along the guide rail portion 100, the gear 20 is always engaged with the rack structure 11 and does not dislocate.

Optionally, the center position of the cleaner body 200 in the vertical direction is on the same horizontal plane as the center position of the guide rail portion 100 in the vertical direction, which is beneficial to improving the connection stability of the cleaner body 200 and the guide rail portion 100 and ensuring the smoothness of the movement of the cleaner body 200 along the guide rail portion 100.

Alternatively, the distance between the guide rail part 100 and the ground is set according to the height of the user, thereby preventing the air purifier mounted on the wall 1 from occupying the user's moving space.

Alternatively, the rail portion 100 is disposed at a position 1.8 to 2.5m from the ground. Therefore, the user can not interfere with the air purifier in the process of vertically walking.

In an alternative embodiment of the present application, not shown, the guide rail portion 100 has a guide groove 12, and the cleaner body 200 includes a slider 50, at least a portion of the slider 50 extending into the guide groove 12 and slidably coupled with the guide groove 12. The technical effect of movably disposing the cleaner body 200 on the rail portion 100 can be achieved by driving the slider 50 to move along the extending direction of the guide groove 12.

In an alternative embodiment not shown in the drawings of the present application, the air purifier further includes a driving mechanism disposed on the wall, and an output end of the driving mechanism is drivingly connected to the purifier body 200 to drive the purifier body 200 to move along the guide groove 12, thereby achieving the technical effect of cruise type air purification.

The air purifier provided by the application fully considers the unpredictability of indoor article placement and personnel walking, flexibly arranges the position of the guide rail part 100 according to the actual situation, and can realize the cruise type air purification function by controlling the purifier body 200 to move along the guide rail part 100.

Optionally, the length and outer profile of the guide rail portion 100 are sized according to the profile of the wall 1 to meet installation and use requirements.

The application provides an air purifier can realize the technological effect of the work of cruising automatically in the room under the condition that does not influence the normal life of user, can make air purification more high-efficient, promotes whole pleasing to the eye between indoor air purifier and the furniture, and the air purifier that this application provided simultaneously can not occupy the ground space, and the occupation space of the air purifier of pocket-size originally is very little to be applicable to the living current situation that living space is nervous, the room price is increasing day by day more.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purifier, comprising:

a rail section (100), the rail section (100) being provided on an indoor wall (1);

a cleaner body (200), the cleaner body (200) being movably disposed on the rail portion (100).

2. The air cleaner according to claim 1, wherein the rail part (100) has a rack structure (11); the cleaner body (200) includes:

a housing (10);

a gear (20), the gear (20) being pivotably arranged on the housing (10), the gear (20) being in engagement with the rack structure (11).

3. The air cleaner according to claim 2, wherein the guide rail portion (100) further has a guide groove (12) thereon, and the guide groove (12) extends in the same direction as the rack gear structure (11); the cleaner body (200) further includes:

the rotating shaft (30) is arranged on the shell (10), the gear (20) is sleeved on the rotating shaft (30) in a pivoting mode, and at least part of the gear (20) extends out of the shell (10) and is meshed with the rack structure (11);

the guide piece (40), the first end of guide piece (40) with pivot (30) are connected, the second end of guide piece (40) is provided with slider (50), at least part of slider (50) stretch into guide way (12) and with guide way (12) sliding connection.

4. The air cleaner according to claim 3, wherein the guide groove (12) includes a first guide groove section (21) and a second guide groove section (22) that communicate with each other, the first guide groove section (21) being disposed near an end surface of the guide rail portion (100) with respect to the second guide groove section (22), a width of the first guide groove section (21) being smaller than a width of the second guide groove section (22); the sliding block (50) comprises a first sliding portion (51) and a second sliding portion (52) which are connected, the first sliding portion (51) is matched with the first guide groove section (21), and the second sliding portion (52) is matched with the second guide groove section (22) so as to prevent the sliding block (50) from being separated from the guide groove (12).

5. The air purifier of claim 4,

a first connecting hole (41) is formed in the guide piece (40), and the guide piece (40) can be pivotally sleeved on the rotating shaft (30) through the first connecting hole (41); the purifier body (200) further comprises a first stop member (60), and the first stop member (60) is fixedly connected with the rotating shaft (30) extending out of the first connecting hole (41);

the slider (50) further comprises a connecting portion (53) connected to the second sliding portion (52); the guide piece (40) is further provided with a second connecting hole (42) which is arranged at an interval with the first connecting hole (41), and the guide piece (40) can be pivotally sleeved on the connecting part (53) through the second connecting hole (42); the purifier body (200) further comprises a second stop member (70), and the second stop member (70) is fixedly connected with the connecting part (53) extending out of the second connecting hole (42).

6. The air purifier according to any one of claims 3 to 5, wherein the surface of the rail part (100) facing away from the wall (1) has the rack structure (11) thereon; the upper end surface of the guide rail part (100) and the lower end surface of the guide rail part (100) are respectively provided with one guide groove (12); the number of the guide pieces (40) is two, the two guide pieces (40) are oppositely arranged and are respectively located on two sides of the gear (20), and the two guide pieces (40) are in one-to-one correspondence with the two guide grooves (12) through the two sliding blocks (50).

7. The air purifier according to any one of claims 2 to 5, wherein the guide rail portion (100) comprises a first guide rail section (101) and a second guide rail section (102) arranged at an included angle, and the connection of the first guide rail section (101) and the second guide rail section (102) is in a circular arc transition.

8. The air cleaner according to claim 2, wherein the cleaner body (200) further comprises a driving member (80), the driving member (80) being disposed within the housing (10), an output shaft (81) of the driving member (80) being in driving connection with the gear (20).

9. The air purifier according to claim 8, wherein the housing (10) is provided with an air inlet and an air outlet; the cleaner body (200) further includes:

the filter screen (90) is arranged at the air inlet;

the output shaft (81) of the driving piece (80) is in driving connection with the impeller (110).

10. The air cleaner according to claim 8, characterized in that the output shaft (81) of the drive member (80) comprises a worm shaft segment (811), the worm shaft segment (811) being in engagement with the gear wheel (20), the gear wheel (20) being arranged between the worm shaft segment (811) and the rack structure (11) for driving the gear wheel (20) to rotate and to move in the direction of extension of the rack structure (11) via the worm shaft segment (811).

11. The air cleaner according to claim 10, wherein the cleaner body (200) further comprises:

the partition plate (120) is arranged in the shell (10) and divides the interior of the shell (10) into a first mounting space (121) and a second mounting space (122), the shell (10) is provided with an air inlet and an air outlet which are communicated with the second mounting space (122), and the partition plate (120) is provided with a mounting hole (123);

the filter screen (90) is arranged at the air inlet;

a bearing (130), wherein the bearing (130) is installed at the installation hole (123), and an outer peripheral wall of the bearing (130) and a hole inner wall of the installation hole (123) are lubricated through an oil film;

the output shaft (81) further comprises a connecting shaft section (812) and an impeller driving shaft section (813) which are connected with the worm shaft section (811), the worm shaft section (811) is positioned in the first mounting space (121), the connecting shaft section (812) is arranged at the bearing hole (131) of the bearing (130) in a penetrating way and is in interference fit with the bearing hole (131), and the impeller driving shaft section (813) is positioned in the second mounting space (122);

an impeller (110), the impeller (110) being disposed within the second mounting space (122) and on the impeller drive shaft section (813).

12. The air purifier as claimed in claim 2, wherein the housing (10) is provided in a rectangular parallelepiped shape, the length of the housing (10) is 50cm or less, and the height of the housing (10) is 50cm or less.

13. The air cleaner as claimed in claim 1, wherein the guide rail part (100) has a guide groove (12), and the cleaner body (200) includes a slider (50), at least a portion of the slider (50) extending into the guide groove (12) and being slidably coupled with the guide groove (12).