CN218377039U

CN218377039U - Air-compression type cross-flow fan

Info

Publication number: CN218377039U
Application number: CN202222932585.3U
Authority: CN
Inventors: 钟伟豪; 刘义
Original assignee: Icade Zhongshan Electrical Technology Co ltd
Current assignee: Icade Zhongshan Electrical Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-24
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a compressed air type cross flow fan, which belongs to the field of cross flow fans, and relates to a compressed air type cross flow fan, which comprises a bottom shell, wherein a fan blade wheel is arranged in an inner cavity of the bottom shell, a shaded pole motor is arranged on one side of the surface of the outer wall of the bottom shell, the output end of the shaded pole motor is connected with one end of the fan blade wheel, a wind shield is arranged in the middle of the opening end of one side wall of the bottom shell, a wind outlet pipe is arranged on the bottom surface of the wind shield, a compressed air assembly is arranged on the surface of the inner wall of the wind shield, the compressed air assembly comprises a storage box arranged on the surface of the inner wall of the wind shield and a compressed air block inserted into the inner cavity of the storage box, and the top surface of the compressed air block is connected with the top surface of the inner cavity of the storage box through an electric push rod; the drain pan open-top end is provided with dustproof subassembly, the utility model discloses the air current that can adjust the air-out is compressed air the size, can prevent again that the foreign matter from entering into to inside the fan wheel, reduces the burden of staff later stage clearance.

Description

Air compression type cross flow fan

Technical Field

The utility model relates to a cross-flow fan field, more specifically say, relate to a compressed air formula cross-flow fan.

Background

The cross-flow fan is called a cross-flow fan, the impeller is multi-blade type and long cylindrical and is provided with a forward multi-wing blade, when the impeller rotates, airflow enters the blade cascade from the open position of the impeller, passes through the inside of the impeller and is discharged into the volute from the blade cascade on the other surface to form working airflow, the flowing condition of the airflow in the impeller is complex, the airflow velocity field is unstable, a vortex exists in the impeller, and the center of the vortex is positioned near the volute tongue.

When the conventional cross-flow fan is used, the size of air flow air compression of air outlet is inconvenient to adjust, the use functionality of the cross-flow fan can be reduced, dirt of the conventional cross-flow fan is easy to enter an impeller, and the conventional cross-flow fan is inconvenient for a user to clean the cross-flow fan, so that the problem existing in the prior art is solved by the aid of the compressed air type cross-flow fan.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a pneumatics formula cross flow fan can adjust the air current of air-out and calm the anger size, can prevent again that the foreign matter from entering into to the fan wheel inside, reduces the burden of staff's later stage clearance.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A forced draft type cross flow fan comprises a bottom shell, wherein a fan blade wheel is arranged in an inner cavity of the bottom shell, a shaded pole motor is arranged on one side of the surface of the outer wall of the bottom shell, the output end of the shaded pole motor is connected with one end of the fan blade wheel, a wind shield is arranged in the middle of the opening end of one side wall of the bottom shell, an air outlet pipe is arranged on the bottom surface of the wind shield, an air compressing assembly is arranged on the surface of the inner wall of the wind shield, the air compressing assembly comprises a storage box arranged on the surface of the inner wall of the wind shield and an air compressing block inserted into the inner cavity of the storage box, and the top surface of the air compressing block is connected with the top surface of the inner cavity of the storage box through an electric push rod;

and the top opening end of the bottom shell is provided with a dustproof assembly, and the dustproof assembly is used for filtering air sucked by the fan impeller.

Furthermore, the electric push rods are provided with two groups, and the two groups of electric push rods are respectively positioned on two sides of the top surface of the air compressing block.

Furthermore, the overlooking shape of the air compression block is matched with the overlooking shape of the inner cavity of the storage box, and the air compression block and the inner cavity of the storage box are connected in an inserted manner.

Furthermore, the bottom of the side wall of the air pressing block close to the wind impeller is an arc-shaped surface.

Furthermore, the dustproof assembly comprises a protective cover, a plurality of groups of air guide holes are formed in the surface of the protective cover, support strips are arranged on the surface of the bottom of the inner cavity of the protective cover, and filter screen plates are inserted between the top surfaces of the support strips and the surface of the bottom of the protective cover.

Furthermore, the support strips are provided with a plurality of groups, and the plurality of groups of support strips are distributed in a linear array manner.

Furthermore, the dustproof assembly further comprises two groups of fixing plates, the inner walls of the fixing plates are bonded with the surface of the outer wall of the bottom shell, and the top surfaces of the inner cavities of the fixing plates are bonded with the surface of the top of the protective cover.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

according to the scheme, the bottom shell can be used for installing the fan impeller, the shaded pole motor and other equipment, then the shaded pole motor can be used for driving the fan impeller to run at a high speed, so that external air can be sucked into the fan impeller through the top of the bottom shell and then conveyed to the air outlet pipe, accelerated air can be ejected out, and through the wind shield, one side wall of the bottom shell can be plugged, and the air compressing assembly can be installed;

when the air compression of the cross-flow fan needs to be adjusted, the electric push rod in the air compression assembly stretches, so that the position of the air compression block in the containing box can be adjusted, the bottom end of the air compression block can extend into the input end of the air outlet pipe, the air outlet space of the air outlet pipe is reduced due to the fact that the rotating speed of the air impeller is unchanged, and the air outlet pressure of the air outlet pipe can be increased, so that the effect of adjusting the size of air flow compression of outlet air can be achieved;

because drain pan top open end is provided with dustproof subassembly to can carry out filtration treatment to fan wheel inspiratory air, and then can prevent that the foreign matter from entering into to the fan wheel inside, can guarantee out tuber pipe spun air quality, can reduce the burden that the staff later stage was cleared up again.

Drawings

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

FIG. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic structural view of the air compressing assembly of the present invention;

fig. 4 is a schematic structural view of the dustproof assembly of the present invention.

The reference numbers in the figures illustrate:

1. a bottom case; 2. a wind impeller; 3. a shaded pole motor; 4. a wind deflector; 5. an air outlet pipe; 6. a gas compressing assembly; 601. a storage box; 602. pressing the air block; 603. an electric push rod; 7. a dust-proof assembly; 701. a shield; 702. a gas-guide hole; 703. supporting the strip; 704. a filter screen plate; 705. a sheet is fixed.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-3, an air-compression type cross-flow fan comprises a bottom shell 1, an air impeller 2 is arranged in an inner cavity of the bottom shell 1, a shaded pole motor 3 is arranged on one side of the outer wall surface of the bottom shell 1, the output end of the shaded pole motor 3 is connected with one end of the air impeller 2, a wind shield 4 is arranged in the middle of the opening end of one side wall of the bottom shell 1, an air outlet pipe 5 is arranged on the bottom surface of the wind shield 4, an air compression assembly 6 is arranged on the inner wall surface of the wind shield 4, the air compression assembly 6 comprises a storage box 601 arranged on the inner wall surface of the wind shield 4 and an air compression block 602 inserted into the inner cavity of the storage box 601, and the top surface of the air compression block 602 is connected with the top surface of the inner cavity of the storage box 601 through an electric push rod 603;

the top opening end of the bottom shell 1 is provided with a dustproof assembly 7, and the dustproof assembly 7 is used for filtering air sucked by the wind impeller 2;

through drain pan 1, can be to fan wheel 2, equipment such as shaded pole motor 3 is installed, then through shaded pole motor 3, can drive fan wheel 2 high-speed operation, thereby can inhale outside wind to fan wheel 2 in through drain pan 1 top, then carry to play tuber pipe 5 department, and then can spray out accelerated wind, through deep bead 4, can carry out the shutoff to drain pan 1 a lateral wall, can install compressed air subassembly 6 again, when needs adjust the calm anger of cross-flow fan, it is flexible through electric putter 603 in the subassembly 6 of calming the anger this moment, thereby can adjust the position of compressed air piece 602 in receiver 601, and then can make compressed air piece 602 bottom stretch into to play tuber pipe 5 input end, because fan wheel 2's rotational speed is unchangeable, the air-out space of play tuber pipe 5 diminishes, and then can play the air-out pressure that increases tuber pipe 5, so that can reach the big effect of the air current size of adjusting the air-pressing of air-out, because drain pan 1 top open end is provided with dustproof subassembly 7, thereby can carry out filtration to the air that wind 2 inhales, and handle, and then can prevent foreign matter from getting into to wind 2 inside, can guarantee the later stage air management staff's of air management again, the later stage reduces the burden of air management.

Referring to fig. 3, the electric push rods 603 are provided in two sets, and the two sets of electric push rods 603 are respectively located on two sides of the top surface of the air pressing block 602, so that the lifting stability of the air pressing block 602 can be improved, and the air pressing block 602 can be prevented from falling off from the storage box 601.

Referring to fig. 3, the top view shape of the air compressing block 602 is matched with the top view shape of the inner cavity of the storage box 601, and the air compressing block 602 and the storage box 601 are connected in an inserted manner, so that the air compressing block 602 can be conveniently and stably lifted in the storage box 601.

Referring to fig. 3, the bottom of the side wall of the air pressing block 602 close to the impeller 2 is an arc surface, which can guide the air of the impeller 2 to the air outlet pipe 5.

Referring to fig. 2 and 4, the dustproof assembly 7 includes a shield 701, a plurality of sets of air guide holes 702 are formed in the surface of the shield 701, a support strip 703 is arranged on the bottom surface of an inner cavity of the shield 701, a filter screen plate 704 is inserted between the top surface of the support strip 703 and the bottom surface of the shield 701, the shield 701 in the dustproof assembly 7 can provide a space for the plurality of sets of air guide holes 702, external air circulation is facilitated, the support strip 703 can be installed, then the support strip 703 can be used for being matched with the shield 701 to insert the filter screen plate 704, and then the filter screen plate 704 can be used for filtering air flowing through conveniently, so that foreign matters can be prevented from entering the wind impeller 2.

Referring to fig. 4, a plurality of support strips 703 are provided, and the plurality of support strips 703 are distributed in a linear array, which can improve the stability of installing the filter screen 704 and prevent the filter screen 704 from falling off.

Referring to fig. 2 and 4, the dust-proof assembly 7 further includes two sets of fixing plates 705, inner walls of the two sets of fixing plates 705 are bonded to the outer wall surface of the bottom case 1, and top surfaces of inner cavities of the two sets of fixing plates 705 are bonded to the top surface of the shield 701, so that the shield 701 can be fixed, and the stability of the shield 701 is improved.

When in use: through the bottom shell 1, the wind impeller 2, the shaded pole motor 3 and other equipment can be installed, then through the shaded pole motor 3, the wind impeller 2 can be driven to run at a high speed, so that outside wind can be sucked into the wind impeller 2 through the top of the bottom shell 1, then the outside wind is conveyed to the air outlet pipe 5, and accelerated wind can be ejected out, through the wind shield 4, one side wall of the bottom shell 1 can be plugged, the air compressing assembly 6 can be installed, when the compression of the cross-flow fan needs to be adjusted, the position of the air compressing block 602 in the storage box 601 can be adjusted through the stretching of the electric push rod 603 in the air compressing assembly 6, the bottom end of the air compressing block 602 can be extended into the input end of the air outlet pipe 5, because the rotating speed of the wind impeller 2 is unchanged, the air outlet space of the air outlet pipe 5 is reduced, the air outlet pressure of the air outlet pipe 5 can be increased, so that the air flow compressing size effect of air outlet can be adjusted, because the dustproof assembly 7 is arranged at the opening end of the top of the bottom shell impeller 1, the air inlet 2 can be filtered, and thus foreign matters can be prevented from entering the air outlet pipe 2, and the air discharging burden of the air can be ensured, and the air discharging burden of workers at the later period of the air discharging staff can be reduced;

the bottom of one side wall of the air pressing block 602 close to the air impeller 2 is an arc-shaped surface, so that the air of the air impeller 2 can be conveniently guided to the air outlet pipe 5;

through guard shield 701 among the dustproof subassembly 7, can provide the space of seting up to multiunit air guide hole 702, make things convenient for external circulation of wind, can install holding in the palm strip 703 again, then through holding in the palm strip 703, can cooperate guard shield 701 to peg graft filter plate 704, and then can make things convenient for filter plate 704 to carry out filtration treatment to the air of flowing through, so that can prevent that the foreign matter from entering into to wind impeller 2 in, through being the multiunit support strip 703 that linear array distributes, can improve the stability of filter plate 704 installation, prevent that filter plate 704 from droing, through stationary blade 705, can fix guard shield 701, the stability in use of guard shield 701 has been improved.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a pressure-gas type cross-flow fan, includes drain pan (1), drain pan (1) inner chamber is provided with fan wheel (2), drain pan (1) outer wall surface one side is provided with shaded pole motor (3) to shaded pole motor (3) output with fan wheel (2) one end links to each other, the open end middle part of drain pan (1) a lateral wall is provided with deep bead (4), deep bead (4) bottom surface is provided with out tuber pipe (5), its characterized in that: the air compression assembly (6) is arranged on the inner wall surface of the wind shield (4), the air compression assembly (6) comprises a storage box (601) arranged on the inner wall surface of the wind shield (4) and an air compression block (602) inserted into the inner cavity of the storage box (601), and the top surface of the air compression block (602) is connected with the top surface of the inner cavity of the storage box (601) through an electric push rod (603);

the top opening end of the bottom shell (1) is provided with a dustproof assembly (7), and the dustproof assembly (7) is used for filtering air sucked by the wind impeller (2).

2. The forced-air crossflow blower of claim 1 wherein: the electric push rods (603) are arranged in two groups, and the two groups of electric push rods (603) are respectively positioned on two sides of the top surface of the air pressing block (602).

3. The forced-air crossflow blower of claim 1 wherein: the overlooking shape of the air compression block (602) is matched with the overlooking shape of the inner cavity of the storage box (601), and the air compression block and the storage box are connected in an inserted manner.

4. The forced-air crossflow blower of claim 1 wherein: the bottom of one side wall of the air pressing block (602) close to the wind impeller (2) is an arc-shaped surface.

5. The forced-air crossflow blower of claim 1 wherein: the dustproof assembly (7) comprises a protective cover (701), a plurality of groups of air guide holes (702) are formed in the surface of the protective cover (701), support strips (703) are arranged on the surface of the bottom of an inner cavity of the protective cover (701), and filter screen plates (704) are inserted between the top surface of the support strips (703) and the surface of the bottom of the protective cover (701).

6. The forced-air crossflow blower of claim 5 wherein: the support strips (703) are provided with a plurality of groups, and the plurality of groups of support strips (703) are distributed in a linear array manner.

7. The forced-air crossflow blower of claim 5 wherein: the dustproof assembly (7) further comprises two groups of fixing pieces (705), the inner walls of the two groups of fixing pieces (705) are bonded and connected with the surface of the outer wall of the bottom shell (1), and the top surfaces of the inner cavities of the two groups of fixing pieces (705) are bonded and connected with the top surface of the protective cover (701).