Glass fiber reinforced plastic antistatic centrifugal fan

Abstract

The utility model belongs to the technical field of centrifugal fans, and particularly relates to a glass fiber reinforced plastic antistatic centrifugal fan which comprises a glass fiber reinforced plastic centrifugal fan body, a rotating groove is formed in an air outlet of the glass fiber reinforced plastic centrifugal fan body, an air outlet pipe is rotatably installed in the rotating groove, and a first gear ring is fixedly installed on the air outlet pipe. A first gear is installed on one side of the first gear ring in an engaged mode, and the first gear ring and the first gear are rotationally connected with the rotating groove. When the whole device is used, external air can be filtered, it is ensured that the external air does not contain dust when entering the glass fiber reinforced plastic centrifugal fan body, it is ensured that static electricity is not caused by too much dust when the glass fiber reinforced plastic centrifugal fan body is used, and personnel can replace the two filter screens conveniently; and meanwhile, it is ensured that the air outlet pipe can rotate to a proper position and cannot rotate at will, the angle of the air outlet pipe is convenient to adjust, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to centrifugal fan technical field especially relates to a glass steel antistatic centrifugal fan. BACKGROUND

[0002] The glass steel centrifugal fan is made of glass steel material, which has good corrosion resistance to various chemical media, so that the fan can adapt to various harsh environments, such as corrosive gas environment in chemical industry, electroplating, pharmaceutical industry and the like.

[0003] For example, the patent with the announcement number CN216554479U discloses a glass steel centrifugal fan with a sound absorbing function, which belongs to the technical field of centrifugal fans. It comprises a fixed seat, a mounting seat arranged in parallel above the fixed seat, and a centrifugal fan body detachably connected to the top of the mounting seat. The fixed seat and the mounting seat are connected by a buffer assembly. The arc-shaped inner wall of the centrifugal fan body is connected with a plurality of sound absorbing panels for absorbing noise. The sound absorbing panel comprises a non-woven cloth layer connected with the inner wall of the centrifugal fan body, a silent cotton board layer attached to the outer surface of the non-woven cloth layer, a honeycomb core board layer attached to the outer surface of the silent cotton board layer, and a sound absorbing black paper layer wrapped around the outer surface of the honeycomb core board layer. The glass steel centrifugal fan with a sound absorbing function has a simple structure and can adjust the air outlet direction.

[0004] The above-mentioned patent has the following problems:

[0005] The above-mentioned device has some shortcomings when in use, such as: a large amount of dust may accumulate inside the device during use, and the friction between the dust particles and the fan components may exacerbate the generation of static electricity. The electromagnetic field generated by static discharge may interfere with the control system of the fan. In addition, when the air outlet direction needs to be changed, the device needs to be disassembled and reassembled by using tools to remove the multiple bolts, which is complicated and time-consuming. In view of this, we propose a glass steel antistatic centrifugal fan. Utility model content

[0006] The utility model aims at providing a glass steel antistatic centrifugal fan to solve the problems raised in the background art.

[0007] Therefore, the utility model provides a glass steel antistatic centrifugal fan, which comprises:

[0008] The glass steel centrifugal fan body is provided with a rotating groove at the air outlet, and an air outlet pipe is rotatably installed in the rotating groove. A tooth ring one is fixedly installed on the air outlet pipe, and a gear one is meshingly installed on one side of the tooth ring one. The tooth ring one and the gear one are both rotatably connected with the rotating groove.

[0009] a driving assembly located in the glass fiber reinforced plastic centrifugal fan body and used for driving the gear to rotate;

[0010] a fixed frame installed in the air inlet of the glass fiber reinforced plastic centrifugal fan body, two filter screens fixedly installed in the fixed frame, a limiting groove opened in the circumferential sidewall of the glass fiber reinforced plastic centrifugal fan body and located at the fixed frame, a plurality of gear twos rotatably installed in the limiting groove, a gear rack installed on one side of the gear two, one end of the gear rack close to the other gear racks extending into the fixed frame and being in plug-in cooperation with the fixed frame, and the gear rack being in sliding connection with the limiting groove;

[0011] a power assembly located in the glass fiber reinforced plastic centrifugal fan body and used for driving the plurality of gear twos to rotate.

[0012] In the technical scheme, when the glass fiber reinforced plastic centrifugal fan body is in use, the air outside is filtered by the two filter screens before entering the glass fiber reinforced plastic centrifugal fan body and then discharged to the glass fiber reinforced plastic centrifugal fan body through the air outlet pipe, so that the air outside cannot contain dust when entering the glass fiber reinforced plastic centrifugal fan body, and the electrostatic generated by too much dust when the glass fiber reinforced plastic centrifugal fan body is in use is avoided.

[0013] When the two filter screens need to be replaced, the driving assembly is arranged to drive the plurality of gear twos to rotate, the plurality of gear twos drive the plurality of gear racks meshed therewith to slide and move away from each other, the one end of the plurality of gear racks close to each other is separated from the fixed frame, the fixed frame and the two filter screens are separated from the glass fiber reinforced plastic centrifugal fan body by pulling the two handles, a new fixed frame is inserted into the glass fiber reinforced plastic centrifugal fan body, the plurality of gear racks are driven to slide and move close to each other by the driving assembly and the above reverse operation, and the one end of the plurality of gear racks close to each other is inserted into the fixed frame to fix the position of the fixed frame, so that the two filter screens are conveniently replaced and the operation is simple and convenient.

[0014] When the angle of the air outlet pipe needs to be adjusted, the power assembly is arranged to drive the gear to rotate, the gear drives the gear ring to rotate, and the gear ring drives the air outlet pipe to rotate, so that the air outlet pipe can be rotated to the appropriate position, the air outlet pipe is prevented from being rotated at will, the angle of the air outlet pipe is conveniently adjusted, and the operation is convenient.

[0015] In the above technical scheme, further, the driving assembly comprises:

[0016] The worm wheel is fixedly installed at the top end of the gear one, one side of the worm wheel is engagedly installed with a worm, one end of the worm extends to the outside through the rotating groove, and the worm wheel and the worm are rotationally connected with the rotating groove.

[0017] In the technical solution, when the two filter screens need to be replaced, first, the rotating column and one of the gear threes are rotated forward, and the torsional spring is twisted, then the one of the gear threes drives the gear ring two engaged therewith to rotate, the gear ring two drives the remaining gear threes engaged therewith to rotate, the gear threes respectively drive the gear twos to rotate, the gear twos respectively drive the racks engaged therewith to slide and move away from each other, then the one ends of the racks close to each other are separated from the fixed frame, then the two handles are pulled to drive the fixed frame and the two filter screens to be separated from the glass steel centrifugal fan body, then the new fixed frame is inserted into the glass steel centrifugal fan body, then the rotating column is loosened, and the rotating column and the one of the gear threes are reversely rotated under the action of the torsional force of the torsional spring, through the reverse operation, the racks slide and move close to each other, then the one ends of the racks close to each other are inserted into the fixed frame, the position of the fixed frame can be fixed, the two filter screens are conveniently replaced, and the operation is simple and convenient.

[0018] In the technical solution, further, the power assembly comprises:

[0019] The gear threes are respectively fixedly installed at one ends of the gear twos, the gear ring two is rotationally installed in the limiting groove, the gear ring two is located at the outer side of the gear threes, and the gear ring two is engaged with the gear threes, one end of the one of the gear threes is fixedly installed with the rotating column, one end of the rotating column extends to the outside through the limiting groove, the torsional spring is sleeved on the rotating column, two ends of the torsional spring are respectively fixed to the one of the gear threes and the inner wall of the limiting groove, and the gear threes and the rotating column are rotationally connected with the limiting groove.

[0020] In the technical solution, when the angle of the air outlet pipe needs to be adjusted, first, the worm is rotated, the worm drives the worm wheel engaged therewith to rotate, the worm wheel drives the gear one to rotate, the gear one drives the gear ring one engaged therewith to rotate, the gear ring one drives the air outlet pipe to rotate, when the air outlet pipe is rotated to the appropriate position, the worm is stopped, because the worm and the worm wheel have self-locking property, when the worm does not rotate, the worm wheel will not rotate, the air outlet pipe is prevented from being randomly rotated, the angle of the air outlet pipe is conveniently adjusted, and the operation is convenient.

[0021] In the technical solution, further, one end of the rotating column is fixedly installed with the operation disc one, and one end of the worm is fixedly installed with the operation disc two, so that the rotating column is conveniently rotated, and the worm is conveniently rotated through the operation disc two.

[0022] Further, the fixed frame is symmetrically fixedly installed with a handle on one side.

[0023] In the technical solution, the handle is arranged to facilitate pulling the fixed frame.

[0024] In the technical solution, the circumferential side wall of the fixed frame is symmetrically fixedly installed with a guide block.

[0025] In the technical solution, the guide block is arranged to facilitate confirming the insertion position of the fixed frame.

[0026] In the technical solution, the plurality of racks are annularly and equidistantly distributed.

[0027] In the technical solution, the stability of the fixed frame is ensured.

[0028] The beneficial effects of the utility model are as follows:

[0029] 1. The glass steel anti-static centrifugal fan, when the glass steel centrifugal fan body is in use, the air outside enters the glass steel centrifugal fan body through two filter screens, and then is discharged to the glass steel centrifugal fan body through the air outlet pipe, the two filter screens can filter the air outside, ensure that the air outside does not contain dust when entering the glass steel centrifugal fan body, and ensure that the glass steel centrifugal fan body does not cause static electricity due to too much dust when in use.

[0030] Meanwhile, the rotating column, torsional spring, gear three, gear ring two, gear two, rack, fixed frame and filter screen are arranged, so that personnel can conveniently replace the two filter screens, and the operation is simple and convenient.

[0031] 2. The glass steel anti-static centrifugal fan, when the angle of the air outlet pipe needs to be adjusted, the power assembly is arranged, the gear one is driven to rotate, the gear ring one meshing with the gear one is driven to rotate, and the air outlet pipe is driven to rotate by the gear ring one, so that the air outlet pipe can be rotated to the appropriate position, the air outlet pipe is prevented from being rotated at will, the angle of the air outlet pipe is conveniently adjusted, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is one of the overall structure schematic view of the utility model;

[0033] Figure 2 is the overall structure schematic view of the utility model Figure Two ;

[0034] Figure 3 is one of the glass steel centrifugal fan body structure schematic view of the utility model;

[0035] Figure 4is the glass steel centrifugal fan body structure schematic diagram of the utility model Figure 3 is the structure schematic diagram of the utility model

[0036] Figure 5 is the glass steel centrifugal fan body structure schematic diagram of the utility model

[0037] Figure 6 is the glass steel centrifugal fan body structure schematic diagram of the utility model Figure 5

[0038] Figure 7 is the fixed frame section structure schematic diagram of the utility model

[0039] Figure 8 is the glass steel centrifugal fan body structure schematic diagram of the utility model

[0040] Figure 9 is the glass steel centrifugal fan body structure schematic diagram of the utility model

[0041] Figure 10 is the glass steel centrifugal fan body structure schematic diagram of the utility model Figure 9 is the structure schematic diagram of the utility model

[0042] The mark in the figure is:

[0043] 1, glass steel centrifugal fan body; 2, rotating groove; 3, air outlet pipe; 4, gear ring one; 5, gear one; 6, fixed frame; 7, filter screen; 8, limiting groove; 9, gear two; 10, rack; 11, worm wheel; 12, worm; 13, gear three; 14, gear ring two; 15, rotating column; 16, torsion spring; 17, operation disc one; 18, operation disc two; 19, handle. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0045] ​In the description of the present application, it should be noted that the terms used herein are merely for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the dimensions of the various parts shown in the drawings are not drawn to scale. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the specification when appropriate. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0046] It should be noted that the terms "first", "second", and the like in the description and claims of the application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of such terms as "first" and "second" are arbitrary labels and are used for purposes of distinguishing between the elements being referred to, and therefore, it is to be understood that the "first" and "second" elements can be interchangeable and that the embodiments of the application can operate in other sequences than those described or illustrated herein. Moreover, the terms "first", "second", and the like are not necessarily used consistently throughout the description and claims, and are used in the context of the specific application in which they are used.

[0047] It should be noted that in the description of the present application, the orientation or positional relationships indicated by the terms such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description. Without being contrary, these orientation terms do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be understood as limiting the scope of protection of the present application. The orientation terms "inner, outer" refer to the inner and outer relative to the contour of the parts themselves.

[0048] It should be noted that in this application, the terms "comprising", "containing" or any other variant 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples. Embodiment 1

[0049] Please refer to Figure 1 - Figure 10 As shown in the figure, the embodiment provides a glass steel anti-static centrifugal fan, which comprises:

[0050] The glass steel centrifugal fan body 1 is provided with a rotating groove 2 at the air outlet thereof, and an air outlet pipe 3 is rotatably installed in the rotating groove 2. A gear ring I 4 is fixedly installed on the air outlet pipe 3, a gear I 5 is engagedly installed on one side of the gear ring I 4, and the gear ring I 4 and the gear I 5 are rotatably connected with the rotating groove 2.

[0051] The driving assembly is located in the glass steel centrifugal fan body 1 and is used for driving the gear I 5 to rotate.

[0052] The fixed frame 6 is plug-in installed at the air inlet of the glass steel centrifugal fan body 1, two filter screens 7 are fixedly installed in the fixed frame 6, a limiting groove 8 is formed in the circumferential side wall of the fixed frame 6 in the glass steel centrifugal fan body 1, and a plurality of gear II 9 are rotatably installed in the limiting groove 8. A rack 10 is engagedly installed on one side of the gear II 9, one end of each of the plurality of racks 10 close to each other extends into the fixed frame 6, and one end of each of the plurality of racks 10 close to each other is plug-in matched with the fixed frame 6. The plurality of racks 10 are slidably connected with the limiting groove 8.

[0053] The power assembly is located in the glass steel centrifugal fan body 1 and is used for driving the plurality of gear II 9 to rotate.

[0054] When the glass steel centrifugal fan body 1 is in use, the air outside enters the glass steel centrifugal fan body 1 through the two filter screens 7 and is then discharged to the glass steel centrifugal fan body 1 through the air outlet pipe 3. The two filter screens 7 can filter the air outside, ensure that the air outside does not contain dust when entering the glass steel centrifugal fan body 1, and ensure that the glass steel centrifugal fan body 1 will not cause static electricity due to too much dust when in use.

[0055] When it is necessary to replace the two filter screens 7, the driving assembly is arranged to drive the plurality of gear twos 9 to rotate, the plurality of gear twos 9 drive the plurality of racks 10 engaged therewith to slide and move away from each other, then the ends of the plurality of racks 10 close to each other are all separated from the fixed frame 6, then the two handles 19 are pulled to drive the fixed frame 6 and the two filter screens 7 to separate from the glass steel centrifugal fan body 1, then a new fixed frame 6 is inserted into the glass steel centrifugal fan body 1, the driving assembly is arranged to drive the plurality of racks 10 to slide and move close to each other, then the ends of the plurality of racks 10 close to each other are all inserted into the fixed frame 6, the position of the fixed frame 6 can be fixed, the two filter screens 7 can be replaced conveniently, and the operation is simple and convenient.

[0056] When it is necessary to adjust the angle of the air outlet pipe 3, the power assembly is arranged to drive the gear one 5 to rotate, the gear one 5 drives the gear ring one 4 engaged therewith to rotate, the gear ring one 4 drives the air outlet pipe 3 to rotate, the air outlet pipe 3 can be rotated to a suitable position, the air outlet pipe 3 cannot be rotated randomly, the angle of the air outlet pipe 3 can be adjusted conveniently, and the operation is convenient.

[0057] In this embodiment, the driving assembly comprises:

[0058] The worm wheel 11 is fixedly installed at the top end of the gear one 5, the worm wheel 11 is engaged with the worm gear 12 on one side, one end of the worm gear 12 penetrates through the rotating groove 2 and extends to the outside, and the worm wheel 11 and the worm gear 12 are both in rotating connection with the rotating groove 2.

[0059] When the two filter screens 7 need to be replaced, first rotate the rotating column 15 and one of the gear threes 13 in the forward direction, and at the same time the torsional spring 16 is twisted, then the one of the gear threes 13 drives the gear ring two 14 meshed therewith to rotate, the gear ring two 14 drives the remaining gear threes 13 meshed therewith to rotate, the gear threes 13 respectively drive the gear twos 9 to rotate, the gear twos 9 respectively drive the gear racks 10 meshed therewith to slide and move away from each other, then the ends of the gear racks 10 moving close to each other are all separated from the fixed frame 6, then pull the two handles 19 and drive the fixed frame 6 and the two filter screens 7 to be separated from the glass steel centrifugal fan body 1, then insert a new fixed frame 6 into the glass steel centrifugal fan body 1, then loosen the rotating column 15, under the action of the torsional force of the torsional spring 16, the rotating column 15 and the one of the gear threes 13 rotate in the reverse direction, through the above reverse operation, the gear racks 10 slide and move close to each other, then the ends of the gear racks 10 moving close to each other are all inserted into the fixed frame 6, the position of the fixed frame 6 can be fixed, the two filter screens 7 are convenient to replace, and the operation is simple and convenient.

[0060] In the embodiment, the power assembly comprises:

[0061] The gear threes 13 are respectively fixedly installed at one end of the gear twos 9, the gear ring two 14 is rotatably installed in the limiting groove 8, the gear ring two 14 is located at the outer side of the gear threes 13, and the gear ring two 14 is meshed with the gear threes 13, one end of the one of the gear threes 13 is fixedly installed with the rotating column 15, one end of the rotating column 15 penetrates through the limiting groove 8 and extends to the outside, the torsional spring 16 is sleeved on the rotating column 15, two ends of the torsional spring 16 are respectively fixed with the one of the gear threes 13 and the inner wall of the limiting groove 8, and the gear threes 13 and the rotating column 15 are rotatably connected with the limiting groove 8;

[0062] When the angle of the air outlet pipe 3 needs to be adjusted, first rotate the worm 12, the worm 12 drives the worm gear 11 meshed therewith to rotate, the worm gear 11 drives the gear one 5 to rotate, the gear one 5 drives the gear ring one 4 meshed therewith to rotate, the gear ring one 4 drives the air outlet pipe 3 to rotate, when the air outlet pipe 3 is rotated to the appropriate position, stop rotating the worm 12, because the worm 12 and the worm gear 11 have self-locking property, when the worm 12 does not rotate, the worm gear 11 will not rotate, so that the air outlet pipe 3 cannot be randomly rotated, the angle of the air outlet pipe 3 is convenient to adjust, and the operation is convenient. Embodiment 2

[0063] The embodiment provides a glass steel anti-static centrifugal fan, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0064] One end of the rotating column 15 is fixedly installed with an operation disc one 17, and one end of the worm 12 is fixedly installed with an operation disc two 18.

[0065] The operation disc one 17 is arranged to facilitate the rotation of the rotating column 15, and the operation disc two 18 is arranged to facilitate the rotation of the worm 12. Embodiment 3

[0066] The glass steel anti-static centrifugal fan provided in the embodiment further has the following technical features in addition to the technical solutions in the above embodiments.

[0067] In the embodiment, the fixed frame 6 is symmetrically fixedly installed with a handle 19 on one side.

[0068] The handle 19 is arranged to facilitate the pulling of the fixed frame 6. Embodiment 4

[0069] The glass steel anti-static centrifugal fan provided in the embodiment further has the following technical features in addition to the technical solutions in the above embodiments.

[0070] In the embodiment, the circumferential side wall of the fixed frame 6 is symmetrically fixedly installed with a guide block.

[0071] The guide block is arranged to facilitate the confirmation of the insertion position of the fixed frame 6. Embodiment 5

[0072] The glass steel anti-static centrifugal fan provided in the embodiment further has the following technical features in addition to the technical solutions in the above embodiments.

[0073] In the embodiment, the plurality of racks 10 are annularly and equidistantly distributed.

[0074] The stability of the fixed frame 6 is ensured.

[0075] Working principle: when the glass steel centrifugal fan body 1 is in use, the air outside enters the glass steel centrifugal fan body 1 through the two filter screens 7, and then is discharged to the glass steel centrifugal fan body 1 through the air outlet pipe 3. The two filter screens 7 can filter the air outside to ensure that the air outside does not contain dust when entering the glass steel centrifugal fan body 1, and to ensure that the glass steel centrifugal fan body 1 will not cause static electricity due to too much dust when in use.

[0076] When two filter screens 7 need to be replaced, first rotate the operation disc one 17 in the positive direction to drive the rotating column 15 and one of the gear wheels three 13 to rotate in the positive direction, and at the same time the torsional spring 16 is twisted, then the one of the gear wheels three 13 drives the gear ring two 14 meshed therewith to rotate, the gear ring two 14 drives the remaining gear wheels three 13 meshed therewith to rotate, the gear wheels three 13 drive the gear wheels two 9 to rotate respectively, the gear wheels two 9 drive the gear racks 10 meshed therewith to slide and move away from each other respectively, then the ends of the gear racks 10 moving close to each other are all separated from the fixed frame 6, then pull the two handles 19 to drive the fixed frame 6 and the two filter screens 7 to be separated from the glass steel centrifugal fan body 1, then insert a new fixed frame 6 into the glass steel centrifugal fan body 1, then loosen the operation disc one 17, under the action of the torsional force of the torsional spring 16, the operation disc one 17, the rotating column 15 and the one of the gear wheels three 13 rotate in the reverse direction, through the above reverse operation, the gear racks 10 slide and move close to each other, then the ends of the gear racks 10 moving close to each other are all inserted into the fixed frame 6, the position of the fixed frame 6 can be fixed, which is convenient for personnel to replace the two filter screens 7, and the operation is simple and convenient.

[0077] When the angle of the air outlet pipe 3 needs to be adjusted, first rotate the operation disc two 18 to drive the worm 12 to rotate, the worm 12 drives the worm gear 11 meshed therewith to rotate, the worm gear 11 drives the gear wheel one 5 to rotate, the gear wheel one 5 drives the gear ring one 4 meshed therewith to rotate, the gear ring one 4 drives the air outlet pipe 3 to rotate, when the air outlet pipe 3 is rotated to the appropriate position, stop rotating the operation disc two 18, because the worm 12 and the worm gear 11 have self-locking property, when the operation disc two 18 does not rotate, the worm gear 11 will not rotate, which ensures that the air outlet pipe 3 will not rotate at will, which is convenient for adjusting the angle of the air outlet pipe 3, and the operation is convenient.

[0078] The embodiments of the present application are described above in combination with the drawings, the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, those skilled in the art can make many forms without departing from the purpose of the present application and the scope protected by the claims under the inspiration of the present application, which all belong to the protection of the present application.

Claims

1. A glass reinforced plastic anti-static centrifugal fan characterised in that, Include: Glass steel centrifugal fan body (1), the glass steel centrifugal fan body (1) is set up at the air outlet and is set up in the rotating groove (2), the rotating groove (2) is rotatably installed in the air outlet pipe (3), the air outlet pipe (3) is fixedly installed with the gear ring one (4), the gear ring one (4) is meshed with the gear one (5) on one side, the gear ring one (4) and the gear one (5) are rotatably connected with the rotating groove (2); Driving assembly, the driving assembly is located in the glass steel centrifugal fan body (1), and is used for driving the gear one (5) to rotate; Fixed frame (6), the fixed frame (6) is inserted in the air inlet of the glass steel centrifugal fan body (1), and the fixed frame (6) is fixedly installed with two filter screens (7), the glass steel centrifugal fan body (1) is located in the fixed frame (6) and is set up in the limiting groove (8) on the circumferential side wall, a plurality of gear two (9) are rotatably installed in the limiting groove (8), the gear two (9) is meshed with the rack (10) on one side, a plurality of the rack (10) is extended to the fixed frame (6) in the end of mutual approach, and the end of mutual approach of a plurality of rack (10) is inserted with the fixed frame (6) matched, a plurality of the rack (10) is slidably connected with the limiting groove (8); Power assembly, the power assembly is located in the glass steel centrifugal fan body (1), and is used for driving a plurality of gear two (9) to rotate.

2. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 1, wherein, The driving assembly comprises: Worm wheel (11), the worm wheel (11) is fixedly installed at the top end of the gear one (5), the worm wheel (11) is meshed with the worm (12) on one side, the worm (12) one end penetrates the rotating groove (2) and extends to the outside, the worm wheel (11) and the worm (12) are rotatably connected with the rotating groove (2).

3. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 2, wherein The power assembly comprises: A plurality of gear three (13), a plurality of gear three (13) are respectively fixedly installed at one end of a plurality of gear two (9), the limiting groove (8) is rotatably installed with the gear ring two (14), the gear ring two (14) is located at the outside of a plurality of gear three (13), and the gear ring two (14) is engaged with a plurality of gear three (13), one end of one of the gear three (13) is fixedly installed with the rotating column (15), one end of the rotating column (15) penetrates the limiting groove (8) and extends to the outside, the rotating column (15) is provided with a torsion spring (16), the torsion spring (16) is fixedly connected with one of the gear three (13) and the inner wall of the limiting groove (8) at both ends, a plurality of gear three (13) and rotating column (15) are rotatably connected with the limiting groove (8).

4. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 3, wherein One end of the rotating column (15) is fixedly installed with the operation disc one (17), one end of the worm (12) is fixedly installed with the operation disc two (18).

5. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 1, wherein, One side of the fixed frame (6) is fixedly installed with the handle (19) symmetrically.

6. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 1, wherein, The circumferential side wall of the fixed frame (6) is fixedly installed with the guide block symmetrically.

7. A glass reinforced plastic anti-static centrifugal fan as claimed in claim 1, wherein, A plurality of the rack (10) is annularly and equidistantly distributed.

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