CN213808137U - Centrifugal fan with dustproof mechanism at air port - Google Patents

Abstract

The utility model discloses a wind gap is equipped with dustproof mechanism's centrifugal fan relates to centrifugal fan technical field, comprising a base plate, the last fixed surface of bottom plate is connected with a set of first mounting panel and a set of second mounting panel, the top of bottom plate is equipped with motor and volute, the surface of motor and the equal fixed connection in top of two first mounting panels, the left and right sides face of volute is respectively with a side fixed connection that two second mounting panels are close to each other, the output of motor runs through the left surface of volute and extends to the inside of volute, the inside of volute is equipped with the impeller, the fixed cover of output of motor is connected in the inside of impeller. The utility model relates to a rational in infrastructure, it can set up through the cooperation of filter tube, centrifugal shaft, dust exhaust hole, filter screen and rose box, when the great environment of some dusts uses, can filter the dust, avoids causing the pollution to the outside air of play tuber pipe.

Description

Centrifugal fan with dustproof mechanism at air port

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan that wind gap is equipped with dustproof mechanism.

Background

The centrifugal fan is a driven fluid machine which is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, air supply of wind tunnels and inflation and propulsion of air cushion boats and the like.

Traditional centrifugal fan does not have the dust fall function, when the great environment of some dusts uses, can not filter the dust, causes the pollution to the air of exhaust department easily, and in addition, traditional centrifugal fan can not adjust the air-out direction, need install the pipeline additional and change the air-out direction, and the practicality is not high. Therefore, the centrifugal fan with the dustproof mechanism at the air port is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a centrifugal fan with a dustproof mechanism at the air port, which aims to make up the defects of the prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal fan with a dustproof mechanism at an air port comprises a bottom plate, wherein a group of first mounting plates and a group of second mounting plates are fixedly connected to the upper surface of the bottom plate, a motor and a volute are arranged above the bottom plate, the outer surface of the motor is fixedly connected with the top ends of the two first mounting plates, the left side surface and the right side surface of the volute are fixedly connected with a side surface of the two second mounting plates, the side surface and the side surface are close to each other, the output end of the motor penetrates through the left side surface of the volute and extends into the volute, an impeller is arranged in the volute, the output end of the motor penetrates through the left side surface of the volute and is fixedly sleeved in the impeller, the output end of the motor is rotatably connected with the left side surface of the volute through a bearing, support rings are fixedly connected to the left side wall and the right side wall of the volute, a wind direction adjusting assembly is mounted on the outer surface of the support rings, and a communication pipe is fixedly communicated with the right side surface of the volute, the upper surface of bottom plate fixed connection has the rose box, the one end of keeping away from the volute communicating pipe is fixed with the left surface of rose box and is communicate, the internally mounted of rose box has dust filtering component, the fixed intercommunication of the right flank of rose box has the air-supply line.

Further, the wind direction adjusting part is including going out the tuber pipe, the bottom that goes out the tuber pipe contacts with the surface of support ring, the outer fixed surface who goes out the tuber pipe bottom is connected with sealed steel band and connecting plate, the inner wall of sealed steel band contacts with the surface of support ring, the first fixed plate of outer fixed surface of sealed steel band is connected with, the outer fixed surface of connecting plate is connected with the second fixed plate, the internal thread of first fixed plate is connected with the bolt, the one end that first fixed plate was kept away from to the bolt runs through the second fixed plate, and bolt and second fixed plate threaded connection.

Further, the dust filtering component includes the filter tube, the fixed intercommunication of the one end of volute is kept away from with communicating pipe to the left end of filter tube, the right-hand member of filter tube and the fixed intercommunication of the one end that the air-supply line is close to the rose box, a set of support frame of inner wall fixedly connected with of filter tube, the inside of filter tube is equipped with the centrifugal shaft, and the both ends of centrifugal shaft respectively with two a side fixed connection that the support frame is close to each other, the dust exhaust hole that the equidistance was arranged is seted up to the inner wall of filter tube, the filter screen is installed to the inner wall of filter tube, and the filter screen is located the left side of two support frames, the surface mounting of filter tube has a set of dust return prevention component, and prevents that the dust return component corresponds with the dust exhaust hole.

Furthermore, prevent returning the dirt subassembly and include a set of supporting leg, first guide plate and second guide plate, every the supporting leg all is connected with the external fixed surface of filter tube, every the one end that the filter tube was kept away from to the supporting leg all with the inner wall fixed connection of second guide plate, every the surface of supporting leg all is connected with the external fixed surface of first guide plate.

Furthermore, the inner bottom wall of the filter box is in sliding contact with a dust collecting basket, the front of the filter box is provided with an access door, and the position of the access door corresponds to the position of the dust collecting basket.

Furthermore, a group of third mounting plates are respectively mounted on the left side surface and the right side surface of the bottom plate, and mounting holes are formed in the upper surfaces of the third mounting plates.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this wind gap is equipped with dustproof mechanism's centrifugal fan possesses following beneficial effect:

one, the utility model discloses a filter tube, the centrifugal shaft, the dust exhaust hole, the cooperation setting of filter screen and rose box, the inside of filter tube inside air received the effect of centrifugal shaft through the dust exhaust hole discharge filter tube, because the centrifugal force of dust is greater than the centrifugal force of air, dust in the air will hit the inner wall to the rose box and fall into the inside of collection dirt basket, the air of getting rid of the dust will be once more through the inside that the dust exhaust hole got into the filter tube, and carry out secondary filter through the filter screen, thereby when the great environment of some dusts uses, can filter the dust, avoid causing the pollution to the outside air of air-out pipe.

Two, the utility model discloses a go out the tuber pipe, sealed steel band, first fixed plate, the second fixed plate, the cooperation setting of bolt and support ring, first fixed plate rotates and to break away from the inside of second fixed plate for making first fixed plate, sealed steel band with go out the tuber pipe and will no longer contact completely with the support ring, then when going out the tuber pipe and rotating to the target location, the inside of keeping away from the bolt with first fixed plate inserts the second fixed plate and rotates, just can fix a tuber pipe and sealed steel band again, thereby can adjust the air-out direction, need not to install the pipeline additional and change the air-out direction, the device practicality has been improved.

Drawings

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

fig. 2 is a cross-sectional view of a front view of the present invention;

FIG. 3 is a cross-sectional view of a side view of the middle scroll of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic structural view of the dust return prevention assembly of the present invention.

In the figure: 1. a base plate; 2. a first mounting plate; 3. a second mounting plate; 4. a motor; 5. a volute; 6. an impeller; 7. a support ring; 8. a wind direction adjustment assembly; 801. an air outlet pipe; 802. sealing the steel strip; 803. a connecting plate; 804. a first fixing plate; 805. a second fixing plate; 806. a bolt; 9. a dust filter assembly; 901. a filter tube; 902. a support frame; 903. a centrifugal shaft; 904. a dust exhaust hole; 905. a filter screen; 10. a filter box; 11. a third mounting plate; 12. a communicating pipe; 13. an air inlet pipe; 14. a dust collecting basket; 15. an access door; 16. a dust return prevention assembly; 161. supporting legs; 162. a first baffle; 163. a second baffle.

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.

As shown in fig. 1-5, the utility model provides a technical solution: a centrifugal fan with a dustproof mechanism at an air port comprises a bottom plate 1, wherein a group of first mounting plates 2 and a group of second mounting plates 3 are fixedly connected to the upper surface of the bottom plate 1, a motor 4 and a volute 5 are arranged above the bottom plate 1, the brand model of the motor 4 is Makedown MQMA04ZP1U, the outer surface of the motor 4 is fixedly connected with the top ends of the two first mounting plates 2, the left side surface and the right side surface of the volute 5 are fixedly connected with one side surface of the two second mounting plates 3 which are close to each other respectively, the output end of the motor 4 penetrates through the left side surface of the volute 5 and extends into the volute 5, an impeller 6 is arranged in the volute 5, the output end of the motor 4 penetrates through the left side surface of the volute 5 and is fixedly sleeved in the impeller 6, the output end of the motor 4 is rotatably connected with the left side surface of the volute 5 through a bearing, and the left side wall and the right side wall of the volute 5 are fixedly connected with a support ring 7, the outer surface mounting of support ring 7 has wind direction adjusting part 8, the fixed intercommunication of right flank of volute 5 has communicating pipe 12, the last fixed surface of bottom plate 1 is connected with rose box 10, communicating pipe 12 keeps away from the fixed intercommunication of left flank of one end of volute 5 and rose box 10, the internally mounted of rose box 10 has dust filtering component 9, the fixed intercommunication of right flank of rose box 10 has air-supply line 13.

Further, wind direction adjusting part 8 includes air-out pipe 801, the bottom of air-out pipe 801 contacts with the surface of support ring 7, the outer fixed surface of air-out pipe 801 bottom is connected with sealed steel band 802 and connecting plate 803, the inner wall of sealed steel band 802 contacts with the surface of support ring 7, the outer fixed surface of sealed steel band 802 is connected with first fixed plate 804, the outer fixed surface of connecting plate 803 is connected with second fixed plate 805, the internal thread of first fixed plate 804 is connected with bolt 806, second fixed plate 805 is run through to the one end that first fixed plate 804 was kept away from to bolt 806, and bolt 806 and second fixed plate 805 threaded connection. Through the cooperation setting of above structure, rotate first fixed plate 804, first fixed plate 804 rotates and can give the inside that makes first fixed plate 804 break away from second fixed plate 805, then the inner wall of sealed steel band 802 will no longer contact completely with support ring 7, rotates out tuber pipe 801 and just can adjust the air-out direction to need not to install the pipeline additional and change the air-out direction, improved the device practicality.

Further, the dust filtering assembly 9 includes a filtering pipe 901, the left end of the filtering pipe 901 is fixedly communicated with one end of the communicating pipe 12 far away from the volute 5, the right end of the filtering pipe 901 is fixedly communicated with one end of the air inlet pipe 13 near the filtering box 10, the inner wall of the filtering pipe 901 is fixedly connected with a group of supporting frames 902, a centrifugal shaft 903 is arranged inside the filtering pipe 901, two ends of the centrifugal shaft 903 are fixedly connected with one side surfaces of the two supporting frames 902 close to each other, dust exhaust holes 904 arranged at equal intervals are formed in the inner wall of the filtering pipe 901, a filtering net 905 is installed on the inner wall of the filtering pipe 901, the filtering net 905 is located on the left side of the two supporting frames 902, a group of dust return preventing assemblies 16 are installed on the outer surface of the filtering pipe 901, and the dust return preventing assemblies 16 correspond to the dust exhaust holes 904. Through the cooperation setting of above structure, can filter the dust in the intake air, avoid causing the pollution to the outside air of tuber pipe 801.

Further, the dust return prevention assembly 16 includes a set of support legs 161, a first guide plate 162 and a second guide plate 163, each support leg 161 is fixedly connected to the outer surface of the filter pipe 901, one end of each support leg 161, which is far away from the filter pipe 901, is fixedly connected to the inner wall of the second guide plate 163, and the outer surface of each support leg 161 is fixedly connected to the outer surface of the first guide plate 162. The supporting legs 161, the first guide plate 162, and the second guide plate 163 are provided to prevent dust discharged from the inside of the filter pipe 901 from entering the inside of the filter pipe 901 again.

Further, the inner bottom wall of the filter box 10 is in sliding contact with a dust collecting basket 14, the front surface of the filter box 10 is provided with an access door 15, and the position of the access door 15 corresponds to the position of the dust collecting basket 14. By providing the dust collecting basket 14 and the access door 15, it is possible to facilitate collection and cleaning of the filtered dust.

Furthermore, a set of third mounting plates 11 are respectively mounted on the left side surface and the right side surface of the bottom plate 1, and mounting holes are formed in the upper surfaces of the third mounting plates 11. The third mounting plate 11 is arranged, so that the device can be conveniently mounted.

The working principle is as follows: when the exhaust is needed, firstly, the motor 4 is started, the motor 4 can drive the impeller 6 to rotate when working, the impeller 6 can rotate to discharge the air inside the volute 5 through the air outlet pipe 801, then, the pressure inside the volute 5 can be reduced, then, the air outside the air inlet pipe 13 can enter the volute 5 through the filter pipe 901 and the communicating pipe 12, so that the air on the right side of the air inlet pipe 13 can be discharged above the air outlet pipe 801, when the air enters the filter pipe 901, the air inside the filter pipe 901 is discharged out of the filter pipe 901 through the dust discharge holes 904 under the action of the centrifugal shaft 903, because the centrifugal force of the dust is larger than that of the air, the dust in the air will collide against the inner wall of the filter box 10 and fall into the interior of the dust collecting basket 14, the air without the dust will enter the interior of the filter pipe 901 through the dust discharge holes 904 again, and be secondarily filtered through the filter screen 905, therefore, when the air-out direction needs to be adjusted, the first fixing plate 804 is rotated, the first fixing plate 804 can be rotated to enable the first fixing plate 804 to be separated from the inside of the second fixing plate 805, then the inner wall of the sealing steel belt 802 is not in complete contact with the support ring 7, then the air-out pipe 801 is rotated, when the direction of the air-out pipe 801 is rotated to a target position, one end, far away from the bolt 806, of the first fixing plate 804 is inserted into the inside of the second fixing plate 805, then the first fixing plate 804 is rotated, the sealing steel belt 802 and the support ring 7 can be gradually close to each other, when the inner wall of the sealing steel belt 802 is abutted against the outer surface of the support ring 7, the air-out pipe 801 and the sealing steel belt 802 can be fixed again, and therefore the air-out direction can be adjusted, need not to install the pipeline additional and changes the air-out direction, improved the device practicality.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 (6)

1. The utility model provides a wind gap is equipped with dustproof mechanism's centrifugal fan, includes bottom plate (1), its characterized in that: the upper surface fixed connection of bottom plate (1) has a set of first mounting panel (2) and a set of second mounting panel (3), the top of bottom plate (1) is equipped with motor (4) and volute (5), the surface of motor (4) and the equal fixed connection in top of two first mounting panels (2), the left and right sides face of volute (5) respectively with two second mounting panel (3) a side fixed connection that is close to each other, the output of motor (4) runs through the left surface of volute (5) and extends to the inside of volute (5), the inside of volute (5) is equipped with impeller (6), the output of motor (4) runs through the left surface of volute (5) and fixed cover connects in the inside of impeller (6), and the output of motor (4) passes through the bearing and is connected with the left surface rotation of volute (5), the equal fixed connection in the left and right sides wall of volute (5) has support ring (7), the utility model discloses a wind direction adjusting assembly, including support ring (7), volute (5), the fixed intercommunication of right flank has communicating pipe (12), the last fixed surface of bottom plate (1) is connected with rose box (10), the fixed intercommunication of left surface of the one end of volute (5) and rose box (10) is kept away from in communicating pipe (12), the internally mounted of rose box (10) has dust filtering component (9), the fixed intercommunication of right flank of rose box (10) has air-supply line (13).

2. The centrifugal fan with the dustproof mechanism at the air port as claimed in claim 1, wherein: wind direction adjusting part (8) are including going out tuber pipe (801), the bottom of going out tuber pipe (801) contacts with the surface of support ring (7), the outer fixed surface who goes out tuber pipe (801) bottom is connected with sealed steel band (802) and connecting plate (803), the inner wall of sealed steel band (802) contacts with the surface of support ring (7), the outer fixed surface of sealed steel band (802) is connected with first fixed plate (804), the outer fixed surface of connecting plate (803) is connected with second fixed plate (805), the internal thread of first fixed plate (804) is connected with bolt (806), second fixed plate (805) are run through to the one end that first fixed plate (804) were kept away from in bolt (806), and bolt (806) and second fixed plate (805) threaded connection.

3. The centrifugal fan with the dustproof mechanism at the air port as claimed in claim 1, wherein: the dust filtering component (9) comprises a filtering pipe (901), the left end of the filtering pipe (901) is fixedly communicated with one end of a communicating pipe (12) far away from the volute (5), the right end of the filtering pipe (901) is fixedly communicated with one end of an air inlet pipe (13) close to a filtering box (10), the inner wall of the filtering pipe (901) is fixedly connected with a group of supporting frames (902), a centrifugal shaft (903) is arranged inside the filtering pipe (901), two ends of the centrifugal shaft (903) are respectively fixedly connected with one side face of the two supporting frames (902) close to each other, dust exhaust holes (904) arranged at equal intervals are formed in the inner wall of the filtering pipe (901), a filtering net (905) is installed on the inner wall of the filtering pipe (901), the filtering net (905) is located on the left side of the two supporting frames (902), and a group of dust return preventing components (16) are installed on the outer surface of the filtering pipe (901), and the dust return prevention component (16) corresponds to the dust exhaust hole (904).

4. The centrifugal fan with the dustproof mechanism at the air port as claimed in claim 3, wherein: the dust return prevention assembly (16) comprises a group of supporting legs (161), a first guide plate (162) and a second guide plate (163), each supporting leg (161) is fixedly connected with the outer surface of the filter pipe (901), the top end of each supporting leg (161) is fixedly connected with the inner wall of the second guide plate (163), and the outer surface of each supporting leg (161) is fixedly connected with the outer surface of the first guide plate (162).

5. The centrifugal fan with the dustproof mechanism at the air port as claimed in claim 1, wherein: the inner bottom wall of the filter box (10) is in sliding contact with a dust collecting basket (14), the front face of the filter box (10) is provided with an access door (15), and the position of the access door (15) corresponds to the position of the dust collecting basket (14).

6. The centrifugal fan with the dustproof mechanism at the air port as claimed in claim 1, wherein: a set of third mounting panel (11) is installed respectively to the left and right sides face of bottom plate (1), and the mounting hole has been seted up to the upper surface of third mounting panel (11).

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