CN218266495U

CN218266495U - Air suspension fan with safeguard function

Info

Publication number: CN218266495U
Application number: CN202222135499.XU
Authority: CN
Inventors: 陈强; 周海将
Original assignee: Leitz Suspension Technology Wuxi Co ltd
Current assignee: Leitz Suspension Technology Wuxi Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-10
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses an air suspension fan with protection function, wherein air inlets which vertically penetrate through are respectively formed on the left side wall, the front side wall and the rear side wall of a protection groove; a cylindrical rotating center cylinder with an opening at the left end is rotationally arranged in the protective groove; a right air inlet is formed on the right side wall of the rotating central cylinder; an air inlet hose is fixed between the right end surface of the rotating central cylinder and the left end surface of the box body; two ends of the air inlet hose are respectively communicated with the right air inlet and the left through hole; a circular cylindrical connecting telescopic ring matched with the air inlet is arranged in the opening at the left end of the rotating central cylinder in a telescopic manner; the left end face, the front end face and the rear end face of the protection seat are respectively provided with a sealing unit; the sealing unit comprises a filter screen and a sealing plate which are detachably arranged; the filter screen is positioned at the opening at the outer side of the air inlet; the sealing plate is used for sealing the filter screen or the air inlet; utility model advantage: need shut down when the filter screen is changed, can not influence the fan and use, better protect the fan.

Description

Air suspension fan with safeguard function

Technical Field

The utility model relates to a technical field of air suspension fan, concretely relates to air suspension fan with safeguard function.

Background

The air suspension blower is a new concept blower, it does not need gearbox speed increaser and coupling, it is directly driven by high-speed motor, the motor adopts frequency converter to regulate speed, the impeller of blower is directly combined with motor, and the shaft is suspended on the active air bearing processor, because there is no physical contact and no need of lubricating oil system, so that it has the characteristics of high efficiency, high performance, low noise, low energy consumption, energy-saving, reliable operation and long-term maintenance.

The fan needs a large amount of sucked air during operation, but the air contains a lot of impurities, and the fan is damaged by long-term suction, so that the service life of the fan is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a technical problem that the purpose inhales impurity and leads to life to reduce to current air suspension fan provides an air suspension fan with safeguard function.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an air suspension fan with a protection function comprises a box body; a control cavity is formed at the left part of the box body, and a working cavity is formed at the right part of the box body; a plurality of supporting legs which are uniformly distributed are arranged on the bottom surface of the box body; the bottom surface of the working cavity is provided with a fan body; the left end of the fan body is provided with an air inlet pipe, and the rear end of the fan body is provided with an air outlet pipe; a left through hole with a left opening and a right opening is formed on the left side wall of the control cavity, and a right through hole with a left opening and a right opening is formed on the right side wall of the control cavity; an outer air inlet pipe is fixed between the left side wall and the right side wall of the control cavity; the left end of the outer air inlet pipe is connected with the left through hole, and the right end of the outer air inlet pipe is connected with the right through hole; the left end of the air inlet pipe is connected with the right through hole; the device also comprises a protection unit; the protection unit comprises a square columnar protection seat fixed on the left end face of the box body; a square column groove-shaped protective groove is formed on the right end surface of the protective seat; air inlets which vertically penetrate through are respectively formed on the left side wall, the front side wall and the rear side wall of the protective groove; a rotary connecting device is arranged in the protective groove; the rotary connecting device comprises a cylindrical rotary central cylinder which is rotatably arranged between the upper side wall and the lower side wall of the protective groove and is provided with an opening at the left end; a right air inlet is formed on the right side wall of the rotating central cylinder; an air inlet hose is fixed between the right end surface of the rotating central cylinder and the left end surface of the box body; two ends of the air inlet hose are respectively communicated with the right air inlet and the left through hole; a circular cylindrical connecting telescopic ring matched with the air inlet is arranged in the opening at the left end of the rotating central cylinder in a telescopic manner; the left end face, the front end face and the rear end face of the protection seat are respectively provided with a sealing unit; the sealing unit comprises a filter screen and a sealing plate which are detachably arranged; the filter screen is positioned at the opening at the outer side of the air inlet; the sealing plate is used for sealing the filter screen or the air inlet.

Preferably, the upper end of the rotating central cylinder is formed with an upper supporting seat, and the lower end of the rotating central cylinder is formed with a cylindrical lower connecting column; a cylindrical upper connecting column is formed on the upper end surface of the upper supporting seat; the upper connecting column and the lower connecting column are coaxially arranged and are respectively pivoted on the upper side wall and the lower side wall of the protective groove; the upper supporting seat is provided with a telescopic driving device; the telescopic driving device is used for driving the telescopic ring to be connected to be telescopic.

Preferably, a lower support plate in a circular plate shape is formed at the lower end of the lower connecting column; a rotary driving handle is arranged at the center of the bottom surface of the lower supporting plate; the left end of the lower supporting plate is vertically and elastically movably provided with a limiting bolt; the left end, the front end and the rear end of the lower end surface of the protection seat are respectively formed with a limiting slot matched with the limiting bolt.

Preferably, the lower end of the limit bolt is provided with a spring support plate; the lower end of the limit bolt is sleeved with a tension spring; the upper end of the tension spring is fixed on the upper end face of the lower supporting plate, and the lower end of the tension spring is fixed on the upper end face of the spring supporting plate.

Preferably, a left driving groove is formed on the left end surface of the upper supporting seat; the telescopic driving device comprises a driven central column pivoted between the left ends of the front side wall and the rear side wall of the left driving groove; the front end and the rear end of the driven central column are respectively fixed with a driving gear, and the middle part of the driven central column is fixed with a worm wheel; the upper connecting column is pivoted with a coaxially arranged telescopic driving column; the lower end of the telescopic driving column is fixed with a worm; the worm is meshed with the worm wheel; a telescopic driving handle is fixed at the upper end of the telescopic driving column; a circular stop ring is formed at the left part of the connecting telescopic ring; a telescopic driving plate is formed at the upper end of the right end face of the stop ring, and a telescopic guide rod is formed at the lower end of the stop ring; a pair of driving racks is formed on the upper end surface of the telescopic driving plate; the driving rack is meshed with the driving gear on the corresponding side; a right guide groove for the left and right movement of the telescopic driving plate and the pair of driving racks is formed at the lower end of the right side wall of the left driving groove; the telescopic guide rod is vertically inserted on the lower connecting column.

Preferably, the closing unit comprises a U-shaped inner limiting frame formed on the left end surface, the front end surface or the rear end surface of the protecting seat; the outer end surface of the inner limiting frame is formed with a U-shaped outer limiting frame; the inner side end surface of the inner limiting frame is formed with an inner inserting groove shaped like a U; the filter screen is vertically inserted into the inner slot; an outer inserting groove shaped like a Chinese character U is formed on the end surface of the inner side of the outer limiting frame; the sealing plate comprises a sealing support plate which is vertically inserted into the outer insertion groove; an inner filling block matched with the opening of the inner limiting frame is formed on the end face of the inner side of the closed supporting plate; an upper stop seat is formed at the upper end of the closed supporting plate; the end surface of the inner side of the upper stop seat is flush with the end surface of the inner side of the inner limit frame;

preferably, an outer lifting handle is formed on the upper end surface of the upper stop seat; an inner lifting wrench is formed on the upper end surface of the filter screen; an inner avoiding groove matched with the inner pulling wrench is formed at the inner side end of the lower end surface of the upper stop seat.

Preferably, the filter screen includes a rectangular frame-shaped filter support frame engaged with the inner insertion groove; a filter screen body is arranged in the filter support frame.

The beneficial effects of the utility model reside in that: need shut down when the filter screen is changed, can not influence the fan and use, better protects the fan.

Drawings

Fig. 1 is a schematic structural view of a cross section of the present invention;

fig. 2 is a schematic structural view of a section of the upper part of the rotary joint 23 according to the present invention;

fig. 3 is a schematic structural view of a section of the closing unit 25 of the present invention;

in the figure, 10, a box body; 100. a control chamber; 101. a working chamber; 102. a right perforation; 103. punching a left hole; 11. supporting legs; 12. a fan body; 13. an air inlet pipe; 14. an air outlet pipe; 15. an outer air inlet pipe; 20. a protection unit; 21. a protective seat; 210. an air inlet; 2100. limiting slots; 22. an air inlet hose; 23. a rotary connection device; 230. a right air inlet; 231. rotating the central cylinder; 2311. an upper support base; 23110. a left drive slot; 2312. a lower connecting column; 2313. a lower support plate; 2314. a rotation driving handle; 2315. an upper connecting column; 232. connecting a telescopic ring; 2321. a stop ring; 2322. a telescopic guide rod; 2323. a telescopic driving plate; 2324. a drive rack; 233. a limiting bolt; 2331. a spring support plate; 234. a tension spring; 235. a driven central column; 2351. a driving gear; 2352. a worm gear; 236. a worm; 2361. a telescopic driving column; 2362. a telescopic driving handle; 25. a sealing unit; 251. an inner limit frame; 2510. an inner slot; 252. a filter screen; 2521. a filtration support frame; 2522. a filter screen body; 2523. an inner pull wrench; 253. an outer limit frame; 2530. an outer socket; 254. a closing plate; 2541. closing the support plate; 2542. filling the blocks inside; 2543. an upper stop seat; 25430. an inner avoidance groove; 2544. the handle is pulled by lifting.

Detailed Description

As shown in fig. 1 to 3, an air suspension blower with a protection function comprises a housing 10; a control cavity 100 is formed at the left part of the box body 10, and a working cavity 101 is formed at the right part of the box body; a plurality of supporting legs 11 which are uniformly distributed are arranged on the bottom surface of the box body 10; a fan body 12 is arranged on the bottom surface of the working cavity 101; the left end of the fan body 12 is provided with an air inlet pipe 13, and the rear end is provided with an air outlet pipe 14; a left through hole 103 with left and right openings is formed on the left side wall of the control cavity 100, and a right through hole 102 with left and right openings is formed on the right side wall; an outer air inlet pipe 15 is fixed between the left side wall and the right side wall of the control cavity 100; the left end of the outer air inlet pipe 15 is connected with the left through hole 103, and the right end is connected with the right through hole 102; the left end of the air inlet pipe 13 is connected with the right perforation 102; further comprises a guard unit 20; the protection unit 20 includes a square column-shaped protection seat 21 fixed on the left end face of the box body 10; a square column groove-shaped protection groove is formed on the right end surface of the protection seat 21; air inlets 210 which vertically penetrate through are respectively formed on the left side wall, the front side wall and the rear side wall of the protective groove; a rotary connecting device 23 is arranged in the protective groove; the rotary joint device 23 includes a cylindrical rotary center cylinder 231 having an open left end rotatably disposed between the upper and lower side walls of the shield bath; a right air inlet 230 is formed on the right side wall of the rotating central cylinder 231; an air inlet hose 22 is fixed between the right end surface of the rotating center cylinder 231 and the left end surface of the box body 10; both ends of the air inlet hose 22 are respectively communicated with the right air inlet 230 and the left perforation 103; a circular cylindrical connecting telescopic ring 232 matched with the air inlet 210 is arranged in the opening at the left end of the rotating central cylinder 231 in a telescopic manner; the left end face, the front end face and the rear end face of the protection seat 21 are respectively provided with a sealing unit 25; the sealing unit 25 comprises a filter screen 252 and a sealing plate 254 which are detachably arranged; the filter screen 252 is located at the outer opening of the air inlet 210; the sealing plate 254 is used to seal the filter screen 252 or the intake vent 210.

As shown in fig. 1 and 2, an upper supporting seat 2311 is formed at the upper end of the rotation center cylinder 231, and a cylindrical lower connecting column 2312 is formed at the lower end; a cylindrical upper connecting column 2315 is formed on the upper end surface of the upper supporting seat 2311; the upper connecting column 2315 and the lower connecting column 2312 are coaxially arranged and are respectively pivoted on the upper side wall and the lower side wall of the protective groove; the upper supporting seat 2311 is provided with a telescopic driving device; the telescopic driving device is used for driving the telescopic ring 232 to be arranged in a telescopic mode.

As shown in fig. 1 and 2, a lower support plate 2313 having a circular plate shape is formed at the lower end of the lower connection column 2312; a rotation driving handle 2314 is arranged at the center of the bottom surface of the lower supporting plate 2313; the left end of the lower supporting plate 2313 is vertically and elastically provided with a limiting bolt 233 in a moving manner; the left end, the front end and the rear end of the lower end surface of the protective base 21 are respectively formed with a limit slot 2100 matched with the limit bolt 233.

As shown in fig. 1, a spring support plate 2331 is formed at the lower end of the limit bolt 233; the lower end of the limit bolt 233 is sleeved with a tension spring 234; the upper end of the tension spring 234 is fixed to the lower end surface of the lower support plate 2313, and the lower end thereof is fixed to the upper end surface of the spring support plate 2331.

As shown in fig. 1 to 3, a left driving groove 23110 is formed on the left end surface of the upper supporting seat 2311; the telescopic driving device comprises a driven central column 235 pivoted between the left ends of the front and rear side walls of the left driving groove 23110; a driving gear 2351 is fixed at the front end and the rear end of the driven central column 235 respectively, and a worm wheel 2352 is fixed at the middle part; the upper connecting column 2315 is pivoted with a coaxially arranged telescopic driving column 2361; a worm 236 is fixed at the lower end of the telescopic driving column 2361; the worm 236 meshes with the worm gear 2352; a telescopic driving handle 2362 is fixed at the upper end of the telescopic driving column 2361; an annular stop ring 2321 is formed at the left part of the connecting telescopic ring 232; a telescopic driving plate 2323 is formed at the upper end of the right end face of the stop ring 2321, and a telescopic guide rod 2322 is formed at the lower end; a pair of driving racks 2324 is formed on the upper end surface of the telescopic driving plate 2323; the drive rack 2324 is engaged with the drive gear 2351 of the respective side; a right guide groove for the left and right movement of the telescopic driving plate 2323 and the pair of driving racks 2324 is formed at the lower end of the right side wall of the left driving groove 23110; the telescopic guide 2322 is vertically inserted into the lower connection post 2312.

As shown in fig. 1 and 3, the closing unit 25 includes an inner u-shaped limiting frame 251 formed on the left end surface, the front end surface or the rear end surface of the protecting base 21; the outer end surface of the inner limit frame 251 is formed with a U-shaped outer limit frame 253; an inner inserting groove 2510 shaped like a U is formed on the inner side end surface of the inner limiting frame 251; the filter screen 252 is vertically inserted into the inner slot 2510; an outer U-shaped outer slot 2530 is formed on the inner side end face of the outer limiting frame 253; the closing plate 254 includes a closing support plate 2541 vertically inserted in the outer insertion groove 2530; an inner filling block 2542 matched with the opening of the inner limiting frame 251 is formed on the end surface of the inner side of the closed supporting plate 2541; an upper stop seat 2543 is formed at the upper end of the closed supporting plate 2541; the end surface of the inner side of the upper stop seat 2543 is flush with the end surface of the inner side of the inner limit frame 251;

as shown in fig. 1 and 3, an outer lifting handle 2544 is formed on the upper end surface of the upper stop seat 2543; an inner pull wrench 2523 is formed on the upper end surface of the filter screen 252; an inner escape groove 25430 matched with the inner pull-up wrench 2523 is formed at the inner end of the lower end surface of the upper stop seat 2543.

As shown in fig. 1 and 3, the filter screen 252 includes a rectangular frame-shaped filter support frame 2521 fitted to the inner insertion slot 2510; a filter net body 2522 is disposed in the filter support frame 2521.

The working principle of the air suspension fan with the protection function is as follows:

during normal operation, the left end of the connecting telescopic ring 232 is inserted into the left air inlet 210, and the left sealing plate 254 is pulled upwards, so that air enters the air inlet pipe 13 through the left filter screen 252, the connecting telescopic ring 232, the rotating central cylinder 231, the air inlet hose 22 and the outer air inlet pipe 15; at this time, impurities in the gas are blocked by the filter screen 252; after working for a period of time, the used filter screen 252 needs to be cleaned, and at the moment, the rotary telescopic driving column 2361 enables the connecting telescopic ring 232 to retract to the rotary central cylinder 231 through worm and gear transmission and gear rack transmission; then the closing plate 254 at the front side or the rear side is pulled out, then the rotating central cylinder 231 rotates forward or backward by 90 degrees, then the connection telescopic ring 232 extends and is inserted into the air inlet 210 at the front side or the rear side according to the principle, so that the connection is completed, at this time, the used filter screen 252 at the left side needing to be cleaned can be pulled out, and then the closing plate 254 is inserted to close the air inlet 210 at the left side;

need shut down when the filter screen is changed like this, can not influence the fan and use, better protects the fan.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An air suspension fan with a protection function comprises a box body (10); a control cavity (100) is formed at the left part of the box body (10), and a working cavity (101) is formed at the right part of the box body; a plurality of supporting legs (11) which are uniformly distributed are arranged on the bottom surface of the box body (10); a fan body (12) is arranged on the bottom surface of the working cavity (101); the left end of the fan body (12) is provided with an air inlet pipe (13), and the rear end is provided with an air outlet pipe (14); a left through hole (103) with left and right openings is formed on the left side wall of the control cavity (100), and a right through hole (102) with left and right openings is formed on the right side wall; an outer air inlet pipe (15) is fixed between the left side wall and the right side wall of the control cavity (100); the left end of the outer air inlet pipe (15) is connected with the left perforation (103), and the right end is connected with the right perforation (102); the left end of the air inlet pipe (13) is connected with the right perforation (102); the method is characterized in that: further comprising a shielding unit (20); the protection unit (20) comprises a square columnar protection seat (21) fixed on the left end face of the box body (10); a square column groove-shaped protective groove is formed on the right end surface of the protective seat (21); air inlets (210) which vertically penetrate through are respectively formed on the left side wall, the front side wall and the rear side wall of the protective groove; a rotary connecting device (23) is arranged in the protective groove; the rotary connecting device (23) comprises a cylindrical rotary central cylinder (231) which is rotatably arranged between the upper side wall and the lower side wall of the protective groove and is provided with an opening at the left end; a right air inlet (230) is formed on the right side wall of the rotating central cylinder (231); an air inlet hose (22) is fixed between the right end surface of the rotating central cylinder (231) and the left end surface of the box body (10); two ends of the air inlet hose (22) are respectively communicated with the right air inlet (230) and the left perforation (103); a circular-cylinder-shaped connecting telescopic ring (232) matched with the air inlet (210) is arranged in the opening at the left end of the rotating central cylinder (231) in a telescopic way; the left end face, the front end face and the rear end face of the protection seat (21) are respectively provided with a sealing unit (25); the sealing unit (25) comprises a filter screen (252) and a sealing plate (254) which are detachably arranged; the filter screen (252) is positioned at the opening at the outer side of the air inlet (210); the closing plate (254) is used for closing the filter screen (252) or the air inlet (210).

2. The air suspension fan with the protection function as claimed in claim 1, wherein: an upper supporting seat (2311) is formed at the upper end of the rotating center cylinder (231), and a cylindrical lower connecting column (2312) is formed at the lower end; a cylindrical upper connecting column (2315) is formed on the upper end surface of the upper supporting seat (2311); the upper connecting column (2315) and the lower connecting column (2312) are coaxially arranged and are respectively pivoted on the upper side wall and the lower side wall of the protective groove; a telescopic driving device is arranged on the upper supporting seat (2311); the telescopic driving device is used for driving the telescopic ring (232) to be telescopically arranged.

3. The air suspension fan with the protection function according to claim 2, characterized in that: a lower support plate (2313) in a circular plate shape is formed at the lower end of the lower connecting column (2312); a rotary driving handle (2314) is arranged at the center of the bottom surface of the lower supporting plate (2313); the left end of the lower supporting plate (2313) is vertically and elastically provided with a limiting bolt (233) in a moving way; the left end, the front end and the rear end of the lower end surface of the protective seat (21) are respectively provided with a limiting slot (2100) matched with the limiting bolt (233).

4. The air suspension fan with the protection function according to claim 3, characterized in that: a spring support plate (2331) is formed at the lower end of the limiting bolt (233); the lower end of the limit bolt (233) is sleeved with a tension spring (234); the upper end of the tension spring (234) is fixed on the lower end face of the lower support plate (2313), and the lower end is fixed on the upper end face of the spring support plate (2331).

5. The air suspension fan with the protection function according to claim 2, characterized in that: a left driving groove (23110) is formed in the left end face of the upper supporting seat (2311); the telescopic driving device comprises a driven central column (235) pivoted between the left ends of the front and rear side walls of the left driving groove (23110); the front end and the rear end of the driven central column (235) are respectively fixed with a driving gear (2351) and a worm wheel (2352) in the middle; the upper connecting column (2315) is pivoted with a coaxially arranged telescopic driving column (2361); a worm (236) is fixed at the lower end of the telescopic driving column (2361); the worm (236) is meshed with the worm wheel (2352); a telescopic driving handle (2362) is fixed at the upper end of the telescopic driving column (2361); a circular stop ring (2321) is formed at the left part of the connecting telescopic ring (232); a telescopic driving plate (2323) is formed at the upper end of the right end face of the stop ring (2321), and a telescopic guide rod (2322) is formed at the lower end of the right end face of the stop ring; a pair of driving racks (2324) is formed on the upper end face of the telescopic driving plate (2323); the driving rack (2324) is meshed with the driving gear (2351) on the corresponding side; a right guide groove for enabling a telescopic driving plate (2323) and a pair of driving racks (2324) to move left and right is formed at the lower end of the right side wall of the left driving groove (23110); the telescopic guide rod (2322) is vertically inserted on the lower connecting column (2312).

6. The air suspension fan with the protection function as claimed in claim 1, wherein: the closed unit (25) comprises an inner limiting frame (251) which is shaped like U and is formed on the left end surface, the front end surface or the rear end surface of the protective seat (21); the outer end surface of the inner limit frame (251) is provided with a U-shaped outer limit frame (253); an inner inserting groove (2510) shaped like a U is formed on the inner side end surface of the inner limiting frame (251); the filter screen (252) is vertically inserted into the inner slot (2510); an outer U-shaped slot (2530) is formed on the inner side end surface of the outer limiting frame (253); the closing plate (254) comprises a closing support plate (2541) vertically inserted in the outer insertion groove (2530); an inner filling block (2542) matched with the opening of the inner limiting frame (251) is formed on the inner side end face of the closed supporting plate (2541); an upper stop seat (2543) is formed at the upper end of the closed supporting plate (2541); the inner side end surface of the upper stop seat (2543) is flush with the inner side end surface of the inner limit frame (251).

7. The air suspension fan with protection function of claim 6, characterized in that: an outer lifting handle (2544) is formed on the upper end surface of the upper stop seat (2543); an inner lifting wrench (2523) is formed on the upper end surface of the filter screen (252); an inner avoiding groove (25430) matched with the inner pulling wrench (2523) is formed at the inner side end of the lower end surface of the upper stop seat (2543).

8. The air suspension fan with protection function of claim 6, characterized in that: the filter screen (252) comprises a rectangular frame-shaped filter support frame (2521) matched with the inner slot (2510); a filter screen body (2522) is arranged in the filter supporting frame (2521).