阅读说明：本技术 一种嵌入式多媒体智能沙发 (Embedded multimedia intelligent sofa ) 是由 何永开 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种嵌入式多媒体智能沙发,包括智能沙发本体、沙发底座和内部机构,加热棒和电热丝发热时其下端的电风扇可以吹散二者散发的热气,被吹散的热气将通过透气孔向上流动,从而使热气到达坐垫的下端对其进行加热,设置的清洁海绵通过通孔贯穿外框板的下端,从而使外框板跟随连接块移动时,清洁海绵也将跟随外框板进行移动,从而方便对沙发下端的地面进行擦拭清洁,压簧可以根据沙发下端地面的高低伸缩调节限位板和清洁海绵的位置,避免清洁海绵遇到较低的地面无法与其进行接触清洁,吸附板为铁质材料所制成的构件,可以吸紧长条磁铁,防止外框板与清洁海绵在移动清洁时产生晃动,造成地面的灰尘清洁不彻底。(The invention discloses an embedded multimedia intelligent sofa, which comprises an intelligent sofa body, a sofa base and an internal mechanism, wherein when a heating rod and an electric fan at the lower end of the heating rod are heated, the electric fan at the lower end of the heating rod can blow away hot air emitted by the heating rod and the electric heating wire, the blown-away hot air flows upwards through air holes, so that the hot air reaches the lower end of a cushion and is heated, a cleaning sponge is arranged to penetrate through the lower end of an outer frame plate through a through hole, so that when the outer frame plate moves along with a connecting block, the cleaning sponge also moves along with the outer frame plate, so that the ground at the lower end of the sofa is conveniently cleaned, the positions of a limiting plate and the cleaning sponge can be adjusted by a pressure spring according to the height expansion and contraction of the ground at the lower end of the sofa, the cleaning sponge cannot be contacted with the lower ground for cleaning, an adsorption plate is a member made of, resulting in incomplete cleaning of the floor with dust.)

1. The utility model provides an embedded multi-media intelligence sofa, includes intelligent sofa body (1), sofa base (2) and inner structure (3), sofa base (2) are installed to the lower extreme of intelligent sofa body (1), and inner structure (3), its characterized in that are installed to the inner chamber of sofa base (2): the intelligent sofa body (1) comprises a back plate (11), a cushion (12) and a back cushion (13), the back plate (11) is installed at the rear end of the outer side of the intelligent sofa body (1), the back cushion (12) is placed at the upper end of the sofa base (2), and the back cushion (13) is placed at the upper end of the cushion (12);

the sofa base (2) comprises a loudspeaker (21), movable grooves (22), strip-shaped magnets (23), a telescopic component (24), a rotating shaft (25), a handle (26) and a cleaning component (27), the loudspeaker (21) is installed on two sides of the front surface of the sofa base (2), the movable groove (22) is formed in the middle of the bottom surface of the sofa base (2), the strip-shaped magnets (23) are installed on two sides of the movable groove (22), the strip-shaped magnets (23) are located on two sides of the bottom surface of the sofa base (2), the telescopic component (24) is installed on the inner side of the movable groove (22), the rotating shaft (25) is installed in the middle of the front surface of the sofa base (2), the handle (26) is installed on one side, away from the telescopic component (24), of the rotating shaft (25), and the cleaning component;

the internal mechanism (3) comprises air holes (31), a support base plate (32), a partition plate (33), a multimedia sound (34), a fixing plate (35), a heating component (36) and a control component (37), the air holes (31) are formed in the top end surface of the sofa base (2), the support base plate (32) is installed at the bottom end of the inner cavity of the sofa base (2), the support base plate (32) is located on two sides of the movable groove (22), the partition plate (33) is installed at the upper end of the support base plate (32), the partition plate (33) is fixedly connected with the support base plate (32), the multimedia sound (34) is installed on one side of the partition plate (33), the multimedia sound (34) is located between the loudspeaker (21) and the partition plate (33), the fixing plate (35) is installed on one side of the partition plate (33) far away from the multimedia sound (34), and the heating component, one side of the fixed plate (35) far away from the partition plate (33) is provided with a control component (37), and the control component (37) is arranged on the inner wall of the rear end of the inner cavity of the sofa base (2).

2. The embedded multimedia intelligent sofa of claim 1, wherein: the telescopic assembly (24) comprises a threaded screw rod (241), a screw nut (242), a connecting block (243) and a threaded column (244), the threaded screw rod (241) is embedded in the middle of an inner cavity of the sofa base (2), the threaded screw rod (241) is movably connected with the handle (26), the screw nut (242) is installed on the surface of the threaded screw rod (241), the screw nut (242) is located on the inner side of the movable groove (22), the connecting block (243) is installed at the lower end of the screw nut (242), and the threaded column (244) is installed at the bottom end of the connecting block (243).

3. The embedded multimedia intelligent sofa of claim 2, wherein: the screw rod nut (242) comprises a convex block (2421), a guide hole (2422) and a guide rod (2423), the convex block (2421) is installed on two sides of the screw rod nut (242), the convex block (2421) and the screw rod nut (242) are welded, the guide hole (2422) is formed in the surface of the convex block (2421), the guide rod (2423) penetrates through the convex block (2421) through the guide hole (2422), and the guide rod (2423) is located on two sides of the threaded screw rod (241).

4. The embedded multimedia intelligent sofa of claim 1, wherein: cleaning element (27) include outer deckle board (271), adsorption plate (272), through-hole (273) and cleaning sponge (274), outer deckle board (271) is installed to the lower extreme of screw post (244), and the upper end and screw post (244) threaded connection of outer deckle board (271), the top surface mounting of outer deckle board (271) has adsorption plate (272), through-hole (273) have been seted up to the bottom surface of outer deckle board (271), cleaning sponge (274) run through the lower extreme of outer deckle board (271) through-hole (273).

5. The embedded multimedia intelligent sofa of claim 4, wherein: the adsorption plate (272) is a member made of ferrous material, the lower end of the adsorption plate (272) is welded with the top end of the outer frame plate (271), and the upper end of the adsorption plate (272) is movably connected with the strip magnet (23).

6. The embedded multimedia intelligent sofa of claim 4, wherein: cleaning sponge (274) include limiting plate (2741) and pressure spring (2742), limiting plate (2741) are installed on the top of cleaning sponge (274), and the inner chamber lower extreme at outer frame plate (271) is installed in limiting plate (2741), pressure spring (2742) are installed to the one end that cleaning sponge (274) were kept away from in limiting plate (2741), and pressure spring (2742) are located the inner chamber upper end of outer frame plate (271), pressure spring (2742) with limiting plate (2741) fixed connection.

7. The embedded multimedia intelligent sofa of claim 1, wherein: fixed plate (35) are including constant head tank (351), resilient pad (352) and rubber bump (353), and constant head tank (351) have been seted up to the upper end surface of fixed plate (35), and the lower extreme surface mounting of constant head tank (351) has resilient pad (352), and the both sides surface mounting of constant head tank (351) has rubber bump (353).

8. The embedded multimedia intelligent sofa of claim 1, wherein: the heating assembly (36) comprises a heating rod (361), a heating wire (362), a driving motor (363) and an electric fan (364), the heating rod (361) is installed at the upper end of the fixing plate (35) through a positioning groove 351, the heating wire (362) is wound on the surface of the heating rod (361), the heating wire (362) is aligned with the air holes (31), the driving motor (363) is arranged at the lower end of the heating rod (361), the driving motor (363) is installed at the upper end of the supporting base plate (32), and the electric fan (364) is installed at the upper end of the driving motor (363).

9. The embedded multimedia intelligent sofa of claim 1, wherein: control assembly (37) includes central processing unit (371), select control module (372), power module (373), storage module (374) and bluetooth receiving module (375), the centre of control assembly (37) is provided with central processing unit (371), selection control module (372) are installed to the lower extreme of central processing unit (371), power module (373) are installed to the upper end of central processing unit (371), storage module (374) are installed to one side of central processing unit (371), bluetooth receiving module (375) are installed to one side that storage module (374) were kept away from to central processing unit (371).

Technical Field

The invention relates to the technical field of intelligent sofas, in particular to an embedded multimedia intelligent sofa.

Background

The intelligent home is characterized in that a home is used as a platform, facilities related to home life are integrated by utilizing a comprehensive wiring technology, a network communication technology, a safety precaution technology, an automatic control technology and an audio and video technology, an efficient management system of home facilities and family schedule affairs is constructed, home safety, convenience, comfortableness and artistry are improved, an environment-friendly and energy-saving living environment is realized, and an intelligent sofa is also a part of the intelligent home.

Many families's intelligent sofa has the function of broadcast music or massage nowadays, and when weather is colder, the user sits and just has a cool on the sofa, causes the user to catch a cold easily and makes its health uncomfortable, and the volume of sofa all is great, and the subaerial dust of collecting in easily of its lower extreme, and it is comparatively troublesome when the user cleans the dust of sofa lower extreme, makes holistic practicality, clean effect and protectiveness unsatisfactory.

Therefore, an embedded multimedia intelligent sofa is provided.

Disclosure of Invention

The invention aims to provide an embedded multimedia intelligent sofa, which improves the overall practicability, cleaning effect and protection performance, thereby solving the problems in the background.

In order to achieve the purpose, the invention provides the following technical scheme: an embedded multimedia intelligent sofa comprises an intelligent sofa body, a sofa base and an internal mechanism, wherein the sofa base is installed at the lower end of the intelligent sofa body, the internal mechanism is installed in an inner cavity of the sofa base, the intelligent sofa body comprises a back plate, a cushion and a back cushion, the back plate is installed at the rear end of the outer side of the intelligent sofa body, the back cushion is placed at the upper end of the sofa base, and the back cushion is placed at the upper end of the cushion;

the sofa base comprises a loudspeaker, a movable groove, strip magnets, telescopic assemblies, a rotating shaft, a handle and a cleaning assembly, wherein the loudspeaker is arranged on two sides of the front surface of the sofa base;

the inside mechanism includes the bleeder vent, the supporting baseplate, the division board, multi-media stereo set, the fixed plate, heating element and control assembly, sofa base's top surface has begun to have the bleeder vent, sofa base's inner chamber bottom is installed the supporting baseplate, and the supporting baseplate is located the both sides of movable groove, the division board is installed to the upper end of supporting baseplate, and division board and supporting baseplate fixed connection, multi-media stereo set is installed to one side of division board, and multi-media stereo set is located the centre of speaker and division board, the fixed plate is installed to one side that multi-media stereo set was kept away from to the division board, heating element is installed to the upper end of fixed plate, one side that the division board was kept away.

Furthermore, the telescopic assembly comprises a threaded screw rod, a screw nut, a connecting block and a threaded column, the threaded screw rod is embedded in the middle of the inner cavity of the sofa base and movably connected with the handle, the surface of the threaded screw rod is provided with the screw nut, the screw nut is positioned on the inner side of the movable groove, the connecting block is installed at the lower end of the screw nut, and the threaded column is installed at the bottom end of the connecting block.

Furthermore, the screw nut comprises a convex block, a guide hole and a guide rod, the convex block is arranged on two sides of the screw nut, the convex block and the screw nut are welded, the guide hole is formed in the surface of the convex block, the guide rod penetrates through the convex block through the guide hole, and the guide rod is positioned on two sides of the threaded screw rod.

Further, clean subassembly includes outer deckle board, adsorption plate, through-hole and clean sponge, and the outer deckle board is installed to the lower extreme of screw thread post, and the upper end and the screw thread post threaded connection of outer deckle board, and the top surface mounting of outer deckle board has the adsorption plate, and the through-hole has been seted up on the bottom surface of outer deckle board, and clean sponge passes through the lower extreme that the outer deckle board was run through to the through-hole.

Furthermore, the adsorption plate is a member made of iron material, the lower end of the adsorption plate is in welded connection with the top end of the outer frame plate, and the upper end of the adsorption plate is movably connected with the strip-shaped magnet.

Further, cleaning sponge includes limiting plate and pressure spring, and the limiting plate is installed on cleaning sponge's top, and the inner chamber lower extreme at the frame plate is installed to the limiting plate, and the pressure spring is installed to the one end that cleaning sponge was kept away from to the limiting plate, and the pressure spring is located the inner chamber upper end of frame plate, the pressure spring with limiting plate fixed connection.

Further, the fixed plate includes constant head tank, resilient pad and rubber bump, and the constant head tank has been seted up to the upper end surface of fixed plate, and the lower extreme surface mounting of constant head tank has resilient pad, and the both sides surface mounting of constant head tank has the rubber bump.

Further, the heating assembly comprises a heating rod, a heating wire, a driving motor and an electric fan, the heating rod is installed at the upper end of the fixing plate through a positioning groove, the heating wire is wound on the surface of the heating rod and aligned with the air holes, the driving motor is arranged at the lower end of the heating rod and installed at the upper end of the supporting base plate, and the electric fan is installed at the upper end of the driving motor.

Further, the control assembly comprises a central processing unit, a selection control module, a power supply module, a storage module and a Bluetooth receiving module, the central processing unit is arranged in the middle of the control assembly, the selection control module is installed at the lower end of the central processing unit, the power supply module is installed at the upper end of the central processing unit, the storage module is installed on one side of the central processing unit, and the Bluetooth receiving module is installed on one side, far away from the storage module, of the central processing unit.

Compared with the prior art, the invention has the following beneficial effects:

1. when the cushion on the sofa needs to be heated in advance in cold weather, the user can start the heating rod and the electric heating wire, the heating rod is arranged at the upper end of the fixed plate through the positioning groove, thereby keeping a certain distance between the heating rod and the electric fan at the lower end of the heating rod, arranging an elastic gasket at the lower end of the positioning groove, arranging rubber convex points on the inner walls at the two sides of the positioning groove, buffering and protecting the heating rod by the elastic gasket and the rubber convex points, the friction effect on the surface of the positioning groove can be enhanced, the electric fan at the lower end of the heating rod and the electric heating wire can blow away hot air emitted by the heating rod and the electric heating wire when the heating rod and the electric heating wire are heated, the blown-away hot air flows upwards through the air holes, thereby make steam reach the lower extreme of cushion and heat it, avoid the user of service to sit when the weather is colder and arouse that the health is uncomfortable on the sofa, improve holistic practicality.

2. When the lower end of the sofa base needs to be cleaned, the embedded multimedia intelligent sofa provided by the invention, the user can rotate the handle to drive the threaded screw rod to rotate through the rotating shaft, the threaded screw rod is embedded into the inner side of the movable groove, when the threaded screw rod rotates, the screw nut on the surface of the screw rod can move back and forth on the surface of the threaded screw rod, when the screw nut moves, the lower end of the outer frame plate is driven by the connecting block to synchronously move, the connecting block is in threaded connection with the outer frame plate through the threaded column at the lower end, the disassembly and the replacement of a user are convenient, the arranged cleaning sponge penetrates through the lower end of the outer frame plate through the through hole, thereby when making the framed outer panel follow the connecting block and removing, clean sponge will also follow the framed outer panel and remove to the convenience is cleaned the cleanness to the ground of sofa lower extreme, improves holistic clean effect.

3. The invention provides an embedded multimedia intelligent sofa, a cleaning sponge is fixedly connected with a limiting plate at the upper end of the cleaning sponge, the limiting plate is limited and fixed at the inner side of an outer frame plate to prevent the cleaning sponge from separating from the lower end of the outer frame plate, a pressure spring is arranged at the upper end of the limiting plate, the positions of the limiting plate and the cleaning sponge can be adjusted according to the height of the ground at the lower end of the sofa, the cleaning sponge is prevented from contacting with the lower ground for cleaning, when a lead screw nut drives a connecting block and the outer frame plate to move, the lead screw nut penetrates through a guide rod through convex blocks at two sides to prevent the lead screw nut from rotating along with a threaded lead screw, when the outer frame plate moves, an adsorption plate at the upper end of the outer frame plate is a member made of iron material and can tightly adsorb a long-strip magnet to prevent the outer frame plate and the cleaning, the overall protection is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a bottom view of the sofa base of the present invention;

FIG. 3 is a cross-sectional view of the internal mechanism of the present invention;

FIG. 4 is a cross-sectional view of the retraction assembly of the present invention;

FIG. 5 is an internal cross-sectional view of the cleaning assembly of the present invention;

FIG. 6 is a cross-sectional view of a fixation plate of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 3;

fig. 8 is a control assembly architecture diagram of the present invention.

In the figure: 1. an intelligent sofa body; 11. a back plate; 12. a cushion; 13. a back cushion; 2. a sofa base; 21. a speaker; 22. a movable groove; 23. a strip magnet; 24. a telescoping assembly; 241. a threaded lead screw; 242. a feed screw nut; 2421. a bump; 2422. a guide hole; 2423. a guide bar; 243. connecting blocks; 244. a threaded post; 25. a rotating shaft; 26. a handle; 27. a cleaning assembly; 271. an outer frame plate; 272. an adsorption plate; 273. a through hole; 274. cleaning the sponge; 2741. a limiting plate; 2742. a pressure spring; 3. an internal mechanism; 31. air holes are formed; 32. a support base plate; 33. a partition plate; 34. multimedia sound equipment; 35. a fixing plate; 351. positioning a groove; 352. an elastic pad; 353. rubber bumps; 36. a heating assembly; 361. a heating rod; 362. an electric heating wire; 363. a drive motor; 364. an electric fan; 37. a control component; 371. a central processing unit; 372. selecting a control module; 373. a power supply module; 374. a storage module; 375. and a Bluetooth receiving module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embedded multimedia intelligent sofa comprises an intelligent sofa body 1, a sofa base 2 and an internal mechanism 3, wherein the sofa base 2 is installed at the lower end of the intelligent sofa body 1, the internal mechanism 3 is installed in the inner cavity of the sofa base 2, the intelligent sofa body 1 comprises a back plate 11, a cushion 12 and a back cushion 13, the back plate 11 is installed at the rear end of the outer side of the intelligent sofa body 1, the back cushion 12 is placed at the upper end of the sofa base 2, the back cushion 13 is placed at the upper end of the cushion 12, the sofa base 2 comprises a loudspeaker 21, a movable groove 22, a strip magnet 23, a telescopic assembly 24, a rotating shaft 25, a handle 26 and a cleaning assembly 27, the loudspeaker 21 is installed at the two sides of the front of the sofa base 2, the movable groove 22 is started to be arranged in the middle of the bottom surface of the sofa base 2, the strip magnets 23 are, the inner side of the movable groove 22 is provided with a telescopic component 24, the middle of the front surface of the sofa base 2 is provided with a rotating shaft 25, one side of the rotating shaft 25 far away from the telescopic component 24 is provided with a handle 26, the bottom end of the telescopic component 24 is provided with a cleaning component 27, the internal mechanism 3 comprises an air hole 31, a supporting bottom plate 32, a partition plate 33, a multimedia sound 34, a fixing plate 35, a heating component 36 and a control component 37, the top end surface of the sofa base 2 is provided with the air hole 31, the bottom end of the inner cavity of the sofa base 2 is provided with the supporting bottom plate 32, the supporting bottom plate 32 is positioned at two sides of the movable groove 22, the upper end of the supporting bottom plate 32 is provided with the partition plate 33, the partition plate 33 is fixedly connected with the supporting bottom plate 32, one side of the partition plate 33 is provided with, the heating assembly 36 is installed on the upper end of the fixing plate 35, the control assembly 37 is installed on the side of the fixing plate 35 far away from the partition plate 33, and the control assembly 37 is installed on the inner wall of the rear end of the inner cavity of the sofa base 2.

Referring to fig. 4-7, an embedded multimedia intelligent sofa, the telescopic assembly 24 includes a threaded lead screw 241, a lead screw nut 242, a connecting block 243 and a threaded post 244, the threaded lead screw 241 is embedded in the middle of the inner cavity of the sofa base 2, the threaded lead screw 241 is movably connected with the handle 26, the lead screw nut 242 is installed on the surface of the threaded lead screw 241, the lead screw nut 242 is located inside the movable slot 22, the connecting block 243 is installed on the lower end of the lead screw nut 242, the threaded post 244 is installed on the bottom end of the connecting block 243, the lead screw nut 242 includes a bump 2421, a guide hole 2422 and a guide rod 2423, the bumps 2421 and the lead screw nut 242 are installed on two sides of the lead screw nut 242, the bumps 2421 and the lead screw nut 242 are welded, the guide hole 2422 is opened on the surface of the bump 2421, the guide rod 2423 penetrates through the bump 2422, the guide rod 2423 is located, The cleaning device comprises an adsorption plate 272, a through hole 273 and a cleaning sponge 274, wherein an outer frame plate 271 is installed at the lower end of a threaded column 244, the upper end of the outer frame plate 271 is in threaded connection with the threaded column 244, the adsorption plate 272 is installed on the top end surface of the outer frame plate 271, the through hole 273 is formed in the bottom end surface of the outer frame plate 271, the cleaning sponge 274 penetrates through the lower end of the outer frame plate 271 through the through hole 273, the adsorption plate 272 is a member made of a ferrous material, the lower end of the adsorption plate 272 is in welded connection with the top end of the outer frame plate 271, the upper end of the adsorption plate 272 is movably connected with a strip magnet 23, the cleaning sponge 274 comprises a limiting plate 2741 and a pressure spring 2742, a limiting plate 2741 is installed at the top end of the cleaning sponge 274, the limiting plate 2741 is installed at the lower end of an inner cavity of the outer frame plate 271, the pressure spring 2742 is installed at one end, far away from the, the fixing plate 35 includes a positioning groove 351, an elastic gasket 352 and rubber bumps 353, the positioning groove 351 is formed in the upper end surface of the fixing plate 35, the elastic gasket 352 is installed on the lower end surface of the positioning groove 351, the rubber bumps 353 are installed on the surfaces of two sides of the positioning groove 351, the heating assembly 36 includes a heating rod 361, a heating wire 362, a driving motor 363 and an electric fan 364, the heating rod 361 is installed at the upper end of the fixing plate 35 through the positioning groove 351, the heating wire 362 is wound on the surface of the heating rod 361, the heating wire 362 is aligned with the air holes 31, the driving motor 363 is arranged at the lower end of the heating rod 361, the driving motor 363 is installed at the upper end of the supporting base plate.

Referring to fig. 8, an embedded multimedia intelligent sofa, the control assembly 37 includes a central processor 371, a selection control module 372, a power module 373, a storage module 374 and a bluetooth receiving module 375, the central processor 371 is disposed in the middle of the control assembly 37, the model of the central processor 371 is MC9S08QG8, the selection control module 372 is installed at the lower end of the central processor 371, the power module 373 is installed at the upper end of the central processor 371, the storage module 374 is installed at one side of the central processor 371, the storage module 374 is a flash memory, the model is RTS5159, the bluetooth receiving module 375 is installed at one side of the central processor 371 away from the storage module 374, and the model of the bluetooth receiving module 375 is a WH-BLE102 chip.

In summary, the following steps: the invention provides an embedded multimedia intelligent sofa, when the cushion 12 on the sofa needs to be heated in advance in cold weather, a user can start a heating rod 361 and a heating wire 362, the heating rod 361 is arranged at the upper end of a fixing plate 35 through a positioning groove 351, so that a certain distance is kept between the heating rod 361 and an electric fan 364 at the lower end of the heating rod 361, an elastic gasket 352 is arranged at the lower end of the positioning groove 351, rubber bumps 353 are arranged on the inner walls of two sides of the positioning groove 351, the rubber bumps 353 can buffer and protect the heating rod 361 and can enhance the friction effect on the surface of the positioning groove 351, when the heating rod 361 and the heating wire 362 are heated, the electric fan 364 at the lower end of the heating rod 361 and the heating wire 362 can blow away hot air emitted by the heating rod, the blown hot air flows upwards through an air hole 31, so that the hot air reaches the lower end of the cushion 12 to heat the, the overall practicability is improved, when the lower end of the sofa base 2 needs to be cleaned, a user can rotate the handle 26, so that the handle 26 drives the threaded screw rod 241 to rotate through the rotating shaft 25, the threaded screw rod 241 is embedded in the inner side of the movable groove 22, when the threaded screw rod 241 rotates, the screw nut 242 on the surface of the threaded screw rod 241 reciprocates on the surface of the threaded screw rod 241, when the screw nut 242 moves, the lower end of the screw nut 242 drives the outer frame plate 271 to synchronously move through the connecting block 243, the connecting block 243 is in threaded connection with the outer frame plate 271 through the threaded column 244 at the lower end, the user can conveniently carry out dismounting and replacement, the arranged cleaning sponge 274 penetrates through the lower end of the outer frame plate 271 through the through hole 273, so that when the outer frame plate moves along with the connecting block 243, the cleaning sponge 274 also moves along with the outer frame plate 271, thereby being convenient for cleaning the ground at, the overall cleaning effect is improved, the cleaning sponge 274 is fixedly connected with the limiting plate 2741 at the upper end thereof, the limiting plate 2741 is limited and fixed at the inner side of the outer frame plate 271, the cleaning sponge 274 is prevented from being separated from the lower end of the outer frame plate 271, the upper end of the limiting plate 2741 is provided with the pressure spring 2742, the position of the limiting plate 2741 and the position of the cleaning sponge 274 can be adjusted according to the height of the ground at the lower end of the sofa by the pressure spring 2742, the cleaning sponge 274 is prevented from being contacted with the lower ground for cleaning, when the lead screw nut 242 drives the connecting block 243 and the outer frame plate 271 to move, the lead screw nut 242 penetrates through the guide rod 2423 through the convex blocks 2421 at the two sides, the lead screw nut 242 is prevented from rotating along with the threaded lead screw 241, when the outer frame plate 271 moves, the adsorption plate 272 at the upper end thereof is a member made of ferrous material, the long, the dust on the ground is not thoroughly cleaned, and the integral protection is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.