CN214949737U

CN214949737U - Dustproof protection cover for fan of central air conditioner

Info

Publication number: CN214949737U
Application number: CN202120094109.1U
Authority: CN
Inventors: 巫凯亮
Original assignee: Shanghai Zunken Equipment Installation Engineering Co ltd
Current assignee: Shanghai Zunken Equipment Installation Engineering Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-30
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to a central air conditioning fan technical field just discloses a central air conditioning fan dustproof safety cover, including the safety cover body, the surface of safety cover body is inlayed and is had the dust screen, fixedly connected with drive fan body on the inside diapire of safety cover body. This based on dustproof safety cover of central air conditioning fan, through the driving motor who sets up, driving motor drives the rotation of screw thread pivot, make the screw sleeve drive the diaphragm and reciprocate along the litter, the slab band drive gear reciprocates, under the effect of rack, the gear drives the bull stick and rotates, under the elasticity of extension spring, the short slab closely laminates with the eccentric wheel, the bull stick drives the eccentric wheel rotation, make the short slab drive the quick up-and-down reciprocating motion of montant, with the air in the sleeve, the extrusion, then discharge through the trachea, blow down the dust on the dust screen, make the dust fall in the outside of safety cover body, and improve the clearance effect of dust screen, reduce the fault rate of air conditioning fan.

Description

Dustproof protection cover for fan of central air conditioner

Technical Field

The utility model relates to a central air conditioning fan technical field specifically is a central air conditioning fan dustproof safety cover.

Background

The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner, and the air is intensively treated (such as a single machine, VRV) to achieve the comfort requirement. The principle of liquid gasification refrigeration is adopted to provide the required cold energy for the air conditioning system so as to offset the heat load of the indoor environment; the heating system provides the air conditioning system with the required heat to offset the indoor environment cooling and heating load.

When the central air-conditioning fan is used, in order to reduce noise and prevent dust, a protective cover is usually sleeved on the outer surface of the central air-conditioning fan, and a dust screen is arranged on the outer surface of the protective cover, but the dust screen needs to be frequently disassembled and cleaned after being used for a long time, so that the use is inconvenient, dust on the outer surface of the dust screen can be brushed off through a hairbrush, and when the dust screen is cleaned from the outside, the dust can easily fall into the protective cover, so that the air-conditioning fan is easy to break down.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dustproof safety cover of central air conditioning fan possesses advantages such as fault rate that reduces air conditioning fan, has solved the dust screen and after long-time the use, needs often to dismantle the clearance, uses comparatively inconveniently, also can brush the dust of dust screen surface through the brush, but when clearing up the dust screen from the outside, very easily makes the dust fall into in the safety cover, leads to the problem that air conditioning fan breaks down easily.

(II) technical scheme

For the purpose that realizes above-mentioned fault rate that reduces air conditioner fan, the utility model provides a following technical scheme: a dustproof protection cover for a fan of a central air conditioner comprises a protection cover body, wherein a dustproof net is inlaid on the outer surface of the protection cover body, a driving fan body is fixedly connected onto the inner bottom wall of the protection cover body, a driving motor is fixedly connected onto the inner bottom wall of the protection cover body, a threaded rotating shaft is fixedly connected to the output end of the driving motor, a threaded sleeve is in threaded connection with the outer surface of the threaded rotating shaft, a sliding rod is fixedly connected onto the inner bottom wall of the protection cover body, a sliding sleeve is sleeved on the outer surface of the sliding rod, a transverse plate is fixedly connected onto the outer surface of the threaded sleeve, a telescopic rod is fixedly connected onto the outer surface of the transverse plate, a spring is sleeved on the outer surface of the telescopic rod, a hairbrush is fixedly connected to one end of the telescopic rod, two racks are fixedly connected between the inner top wall and the bottom wall of the protection cover body, the utility model discloses a wind turbine generator, including diaphragm, last fixed surface of diaphragm is connected with two fixed plates, two rotate through the bearing between the fixed plate and be connected with the bull stick, the outer fixed surface of bull stick is connected with two gears, the gear with the rack meshes mutually, the upper surface of diaphragm is established and is had a plurality of air-out devices, the air-out device includes the eccentric wheel of fixed mounting at the bull stick surface, the last fixed surface of diaphragm is connected with a set of sleeve, telescopic inside is equipped with the piston, the last fixed surface of piston is connected with the montant, the top fixedly connected with short slab of montant, the surface of short slab with the surface of eccentric wheel is laminated mutually, the surface of short slab with fixedly connected with multiunit extension spring between the upper surface of diaphragm, telescopic outer fixed surface is connected with the outlet duct.

Preferably, the transverse plate is fixedly installed between the sliding sleeve and the threaded sleeve.

Preferably, soundproof cotton is fixedly connected to the inner wall of the protective cover body.

Preferably, the upper surface of the protection cover body is fixedly connected with a motor base, and the driving motor is fixedly installed on the upper surface of the motor base.

Preferably, the number of the eccentric wheels is the same as that of the sleeves, the number of the eccentric wheels is larger than four, the eccentric wheels correspond to the sleeves in position, and the distance between every two adjacent eccentric wheels is the same.

Preferably, the number of the tension springs in each group is two, and the two tension springs in each group are symmetrically distributed around the vertical rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a dustproof safety cover of central air conditioning fan possesses following beneficial effect:

(1) this based on dustproof safety cover of central air conditioning fan, when using, through the driving motor who sets up, driving motor drives the rotation of screw thread pivot, makes the screw sleeve drive the diaphragm and reciprocate along the litter, under the elasticity of spring, brush and dust screen are laminated mutually, and the diaphragm drives the brush through the telescopic link and reciprocates, will depend on the dust brush at the dust screen surface and go, plays the effect of clearance dust screen, plays and need not to dismantle repeatedly that the dust screen can the abluent effect promptly.

(2) This based on dustproof safety cover of central air conditioning fan, when using, through the driving motor who sets up, driving motor drives the rotation of screw thread pivot, make the screw sleeve drive the diaphragm and reciprocate along the litter, the diaphragm drives the gear and reciprocates, under the effect of rack, the gear drives the bull stick and rotates, under the elasticity of extension spring, the short slab closely laminates with the eccentric wheel, the bull stick drives the eccentric wheel and rotates, make the short slab drive the quick up-and-down reciprocating motion of montant, with the air in the sleeve, the extrusion, then discharge through the trachea, blow the dust on the dust screen down, make the dust fall in the outside of safety cover body, and improve the clearance effect of dust screen, reduce the fault rate of air conditioning fan.

Drawings

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

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged view of the structure B in fig. 3 according to the present invention.

In the figure: 1. a protective cover body; 2. a dust screen; 3. a driving fan body; 4. a drive motor; 5. a threaded shaft; 6. a threaded sleeve; 7. a slide rod; 8. a sliding sleeve; 9. a transverse plate; 10. a telescopic rod; 11. a spring; 12. a brush; 13. a rack; 14. a fixing plate; 15. a rotating rod; 16. a gear; 17. a sleeve; 18. a piston; 19. a vertical rod; 20. a short plate; 21. a tension spring; 22. sound insulation cotton; 23. and an air outlet pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a dustproof protective cover for a fan of a central air conditioner comprises a protective cover body 1, a dustproof net 2 is embedded on the outer surface of the protective cover body 1, a driving fan body 3 is fixedly connected to the inner bottom wall of the protective cover body 1, a driving motor 4 is fixedly connected to the inner bottom wall of the protective cover body 1, a threaded rotating shaft 5 is fixedly connected to the output end of the driving motor 4, a threaded sleeve 6 is connected to the outer surface of the threaded rotating shaft 5 in a threaded manner, a slide rod 7 is fixedly connected to the inner bottom wall of the protective cover body 1, a sliding sleeve 8 is sleeved on the outer surface of the slide rod 7, a transverse plate 9 is fixedly connected to the outer surface of the threaded sleeve 6, a telescopic rod 10 is fixedly connected to the outer surface of the transverse plate 9, a spring 11 is sleeved on the outer surface of the telescopic rod 10, a brush 12 is fixedly connected to one end of the telescopic rod 10, and two racks 13 are fixedly connected between the inner top wall and the bottom wall of the protective cover body 1, two fixed plates 14 of the last fixed surface of diaphragm 9 are connected with, rotate through the bearing between two fixed plates 14 and be connected with bull stick 15, two gears 16 of the outer fixed surface of bull stick 15 are connected with, gear 16 meshes with rack 13 mutually, the upper surface of diaphragm 9 is established and is had a plurality of air-out devices, the air-out device includes eccentric wheel 24 of fixed mounting at bull stick 15 surface, the last fixed surface of diaphragm 9 is connected with a set of sleeve 17, the inside of sleeve 17 is equipped with piston 18, the last fixed surface of piston 18 is connected with montant 19, the top fixedly connected with short slab 20 of montant 19, the surface of short slab 20 laminates with eccentric wheel 24's surface mutually, fixedly connected with multiunit extension spring 21 between the surface of short slab 20 and the upper surface of diaphragm 9, the outer fixed surface of sleeve 17 is connected with outlet duct 23.

Furthermore, the transverse plate 9 is fixedly installed between the sliding sleeve 8 and the threaded sleeve 6, so that a limiting effect is achieved, and the threaded sleeve 6 can stably move up and down along the sliding rod 7.

Furthermore, soundproof cotton 22 is fixedly connected to the inner wall of the protective cover body 1, so that soundproof and noise-reducing effects are achieved.

Further, the upper surface of the protection cover body 1 is fixedly connected with a motor base, and the driving motor 4 is fixedly installed on the upper surface of the motor base and provides supporting force and working height for the driving motor 4.

Further, the eccentric wheels 24 are the same as the sleeve 17 in number, and are all larger than four, and the positions correspond to each other, the distance between every two adjacent eccentric wheels 24 is the same, and the air outlet pipes on the sleeve 17 have the same interval, so that the effect of uniform air outlet is achieved.

Furthermore, the number of each group of tension springs 21 is two, and the two tension springs 21 in each group are symmetrically distributed about the vertical rod 19, so that the effect of uniformly stressing the short plate 20 is achieved.

To sum up, this based on dustproof safety cover of central air conditioning fan, when using, through the driving motor 4 that sets up, driving motor 4 drives screw thread pivot 5 rotatory, make threaded sleeve 6 drive diaphragm 9 reciprocate along litter 7, under the elasticity of spring 11, brush 12 laminates mutually with dust screen 2, diaphragm 9 drives brush 12 through telescopic link 10 and reciprocates, will depend on the dust brush of 2 surfaces at dust screen, play the effect of clearance dust screen 2, play and need not to dismantle dust screen 2 repeatedly and can wash the effect promptly.

When the dustproof protection cover based on the central air-conditioning fan is used, the driving motor 4 is arranged to drive the threaded rotating shaft 5 to rotate through the driving motor 4, the threaded sleeve 6 is made to drive the transverse plate 9 to move up and down along the sliding rod 7, the transverse plate 9 is made to drive the gear 16 to move up and down, the gear 16 is made to drive the rotating rod 15 to rotate under the action of the rack 13, the short plate 20 is tightly attached to the eccentric wheel 24 under the elastic force of the tension spring 21, the rotating rod 15 is made to drive the eccentric wheel 24 to rotate, the short plate 20 is made to drive the vertical rod 19 to rapidly reciprocate up and down, air in the sleeve 17 is extruded and then discharged through the air pipe 23, dust on the dustproof net 2 is blown down, the dust falls on the outer side of the protection cover body 1, the cleaning effect of the dustproof net 2 is improved, and the fault rate of the air-conditioning fan is reduced.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

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.

Claims

1. The utility model provides a central air conditioning fan dustproof safety cover, includes safety cover body (1), and the surface mosaic of safety cover body (1) has dust screen (2), fixedly connected with drive fan body (3), its characterized in that on the inside diapire of safety cover body (1): fixedly connected with driving motor (4) on the inside diapire of safety cover body (1), the output fixedly connected with screw thread pivot (5) of driving motor (4), the surface threaded connection of screw thread pivot (5) has screw thread sleeve (6), fixedly connected with litter (7) on the inside diapire of safety cover body (1), the surface cover of litter (7) is equipped with sliding sleeve (8), the surface fixed connection of screw thread sleeve (6) has diaphragm (9), the surface fixed connection of diaphragm (9) has telescopic link (10), the surface cover of telescopic link (10) is equipped with spring (11), the one end fixedly connected with brush (12) of telescopic link (10), fixedly connected with two racks (13) between the inside roof of safety cover body (1) and the diapire, the last fixed surface of diaphragm (9) is connected with two fixed plates (14), two be connected with bull stick (15) through the bearing rotation between fixed plate (14), the fixed surface of bull stick (15) is connected with two gears (16), gear (16) with rack (13) meshes mutually, the upper surface of diaphragm (9) is established and is had a plurality of air-out devices, the air-out device includes eccentric wheel (24) of fixed mounting at bull stick (15) surface, the fixed surface of diaphragm (9) is connected with a set of sleeve (17), the inside of sleeve (17) is equipped with piston (18), the fixed surface of piston (18) is connected with montant (19), the top fixedly connected with short slab (20) of montant (19), the surface of short slab (20) with the surface of eccentric wheel (24) laminates mutually, fixedly connected with multiunit extension spring (21) between the surface of short slab (20) and the upper surface of diaphragm (9), and the outer surface of the sleeve (17) is fixedly connected with an air outlet pipe (23).

2. The dustproof protection cover for the fan of the central air conditioner as claimed in claim 1, wherein: the transverse plate (9) is fixedly installed between the sliding sleeve (8) and the threaded sleeve (6).

3. The dustproof protection cover for the fan of the central air conditioner as claimed in claim 1, wherein: the inner wall of the protective cover body (1) is fixedly connected with soundproof cotton (22).

4. The dustproof protection cover for the fan of the central air conditioner as claimed in claim 1, wherein: the upper surface of the protective cover body (1) is fixedly connected with a motor base, and the driving motor (4) is fixedly installed on the upper surface of the motor base.

5. The dustproof protection cover for the fan of the central air conditioner as claimed in claim 1, wherein: the number of the eccentric wheels (24) is the same as that of the sleeves (17), the number of the eccentric wheels is more than four, the eccentric wheels correspond to the sleeves in position, and the distance between every two adjacent eccentric wheels (24) is the same.

6. The dustproof protection cover for the fan of the central air conditioner as claimed in claim 1, wherein: the number of the tension springs (21) in each group is two, and the two tension springs (21) in each group are symmetrically distributed around the vertical rod (19).