CN217976768U

CN217976768U - Centrifugal fan convenient to change filter screen

Info

Publication number: CN217976768U
Application number: CN202221887835.XU
Authority: CN
Inventors: 黄业浩; 黄伟枝
Original assignee: Foshan Yifa Intelligent Technology Co ltd
Current assignee: Foshan Yifa Intelligent Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-06
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a centrifugal fan convenient to change filter screen, including the centrifugal fan main part, one side surface of centrifugal fan main part is provided with the filter screen, one side surface of filter screen is provided with latch mechanism, one side surface of latch mechanism is provided with changes the mechanism, latch mechanism includes mounting panel, outline border board, keyway and key piece, mounting panel fixed mounting is in one side surface of centrifugal fan main part, it includes connecting block, arc stripper plate, L type ramp plate, pivot, inserted bar, spring, T type guide arm, bearing, activity chamber and guide way to change the mechanism. A centrifugal fan convenient to change filter screen, can conveniently splice filter screen and mounting panel, be convenient for carry on spacingly to the outer deckle board, can conveniently change the clearance to the filter screen and avoid blockking up, be convenient for fix key piece and keyway, easy operation brings better use prospect.

Description

Centrifugal fan convenient to change filter screen

Technical Field

The utility model relates to a centrifugal fan field specifically is a centrifugal fan convenient to change filter screen.

Background

The centrifugal fan is a machine which can improve the air pressure through mechanical energy and then convey the air out, and is one of four main parts in a dust removal ventilation system.

When an existing centrifugal ventilator filter screen is used, dust is easy to accumulate, the filter screen is easy to block after being used for a long time, the filter screen is inconvenient to replace and clean, the using effect is affected, certain adverse effects are brought to the using process of people, and therefore the centrifugal ventilator convenient for replacing the filter screen is provided.

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 centrifugal fan convenient to change filter screen possesses and can conveniently splice filter screen and mounting panel, is convenient for carry on spacingly to the outer deckle board, can conveniently change the clearance to the filter screen and avoid blockking up, is convenient for fix key piece and keyway, and the problem in the background art can effectively be solved to advantages such as easy operation.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a centrifugal fan convenient to change filter screen, includes the centrifugal fan main part, one side surface of centrifugal fan main part is provided with the filter screen, one side surface of filter screen is provided with latch mechanism, one side surface of latch mechanism is provided with changes the mechanism, latch mechanism includes mounting panel, outline border board, keyway and key piece, mounting panel fixed mounting is in one side surface of centrifugal fan main part, it includes connecting block, arc stripper plate, L type ramp plate, pivot, inserted bar, spring, T type guide arm, bearing, activity chamber and guide way to change the mechanism.

Preferably, the frame plate is located the outer wall of filter screen, and is two sets of key piece fixed mounting is both ends around the outer frame plate outer wall respectively, and is two sets of both ends around the mounting panel inner wall are seted up respectively to the keyway, can conveniently splice filter screen and mounting panel, are convenient for carry on spacingly to the outer frame plate.

Preferably, the key groove and the key block are clamped.

Preferably, the bearing is located the middle part of key piece, the pivot is located the upper end surface of bearing, connecting block fixed mounting is in the middle part of pivot outer wall, and is two sets of arc stripper plate fixed mounting is respectively in the both sides of connecting block outer wall, and is two sets of the both sides of key piece upper end internal surface are seted up respectively to the activity chamber, T type guide arm fixed mounting is in one side internal surface in activity chamber, the inserted bar is located the inside in activity chamber, the guide way is seted up in one side internal surface of inserted bar, the spring is located one side surface of T type guide arm, just the spring is located between guide way and the T type guide arm, L type ramp plate fixed mounting is in one side of inserted bar upper end surface, the draw-in groove has all been seted up to the both sides surface of mounting panel, can conveniently change the clearance to the filter screen and avoid blockking up.

Preferably, be swing joint between T type guide arm and the guide way, be elastic connection between T type guide arm passes through spring and the guide way, be the joint between inserted bar and the draw-in groove, be convenient for fix key piece and keyway easy operation.

(III) advantageous effects

Compared with the prior art, the utility model provides a centrifugal fan convenient to change filter screen possesses following beneficial effect:

1. this centrifugal fan convenient to change filter screen through the latch mechanism that sets up, can conveniently splice filter screen and mounting panel, is convenient for carry on spacingly to the outer deckle board.

2. This centrifugal fan convenient to change filter screen through the change mechanism that sets up, can conveniently change the clearance to the filter screen and avoid blockking up, is convenient for fix easy operation with key piece and keyway.

Drawings

Fig. 1 is a schematic view of the overall structure of a centrifugal fan convenient for replacing a filter screen.

Fig. 2 is the utility model relates to a structure diagram of a clamping machine in centrifugal fan convenient to change filter screen.

Fig. 3 is an enlarged view of a position a in fig. 2 of the centrifugal fan convenient for replacing the filter screen of the present invention.

Fig. 4 is a top view of the replacing mechanism in the centrifugal fan convenient for replacing the filter screen.

Fig. 5 is a side view of the replacement mechanism in the centrifugal fan convenient for replacing the filter screen.

In the figure: 1. a centrifugal fan body; 2. filtering with a screen; 3. a clamping mechanism; 4. a mechanism is replaced; 5. mounting a plate; 6. an outer frame plate; 7. a key slot; 8. a key block; 9. connecting blocks; 10. an arc-shaped extrusion plate; 11. an L-shaped slope plate; 12. a rotating shaft; 13. inserting a rod; 14. a spring; 15. a T-shaped guide rod; 16. a bearing; 17. a movable cavity; 18. a guide groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The embodiment is a centrifugal ventilator convenient for replacing a filter screen.

As shown in fig. 1-5, the centrifugal ventilator comprises a centrifugal ventilator body 1, a filter screen 2 is arranged on the outer surface of one side of the centrifugal ventilator body 1, a clamping mechanism 3 is arranged on the outer surface of one side of the filter screen 2, a replacing mechanism 4 is arranged on the outer surface of one side of the clamping mechanism 3, the clamping mechanism 3 comprises a mounting plate 5, an outer frame plate 6, a key groove 7 and a key block 8, the mounting plate 5 is fixedly mounted on the outer surface of one side of the centrifugal ventilator body 1, and the replacing mechanism 4 comprises a connecting block 9, an arc-shaped extrusion plate 10, an L-shaped slope plate 11, a rotating shaft 12, an inserted rod 13, a spring 14, a T-shaped guide rod 15, a bearing 16, a movable cavity 17 and a guide groove 18.

The outer frame plate 6 is positioned on the outer wall of the filter screen 2, the two groups of key blocks 8 are respectively fixedly arranged at the front end and the rear end of the outer wall of the outer frame plate 6, and the two groups of key grooves 7 are respectively arranged at the front end and the rear end of the inner wall of the mounting plate 5; the key groove 7 and the key block 8 are clamped; the bearing 16 is positioned in the middle of the key block 8, the rotating shaft 12 is positioned on the outer surface of the upper end of the bearing 16, the connecting block 9 is fixedly arranged in the middle of the outer wall of the rotating shaft 12, the two groups of arc-shaped extrusion plates 10 are respectively and fixedly arranged on two sides of the outer wall of the connecting block 9, the two groups of movable cavities 17 are respectively arranged on two sides of the inner surface of the upper end of the key block 8, the T-shaped guide rod 15 is fixedly arranged on the inner surface of one side of the movable cavity 17, the inserted rod 13 is positioned in the movable cavity 17, the guide groove 18 is arranged on the inner surface of one side of the inserted rod 13, the spring 14 is positioned on the outer surface of one side of the T-shaped guide rod 15, the spring 14 is positioned between the guide groove 18 and the T-shaped guide rod 15, the L-shaped slope plate 11 is fixedly arranged on one side of the outer surface of the upper end of the inserted rod 13, and the outer surfaces of two sides of the mounting plate 5 are both provided with clamping grooves; the T-shaped guide rod 15 is movably connected with the guide groove 18, the T-shaped guide rod 15 is elastically connected with the guide groove 18 through the spring 14, and the inserted link 13 is clamped with the clamping groove.

It should be noted that the utility model relates to a centrifugal ventilator convenient for replacing the filter screen, which is characterized in that two groups of key blocks 8 are aligned with two groups of key grooves 7 through the arranged clamping mechanism 3, the outer frame plate 6 is pushed, the outer frame plate 6 is inserted into the mounting plate 5, the filter screen 2 and the mounting plate 5 can be conveniently spliced, and the outer frame plate 6 is conveniently limited;

through the change mechanism 4 that sets up, insert mounting panel 5 back with outer deckle board 6, rotate pivot 12, drive pivot 12 and rotate under bearing 16's effect, drive pivot 12 outer wall fixed mounting's connecting block 9 and rotate simultaneously, make two sets of arc stripper plates 10 rotate, the slope of 11 one end of arc position extrusion L type ramp plate at arc stripper plate 10, it slides along activity chamber 17 to drive L type ramp plate 11, thereby drive two sets of L type ramp plate 11 and move in opposite directions, after arc stripper plate 10 rotates ninety degrees, make arc stripper plate 10 and L type ramp plate 11 be located same horizontal line, make arc stripper plate 10 and L type ramp plate 11 extrude each other, inserted bar 13 is at the inside guide effect through T type guide arm 15 and guide way 18 of activity chamber 17, insert inserted bar 13 in the draw-in groove along activity chamber 17, fix key block 8 and keyway 7, when needing to slide out key block 8, rotate pivot 12, drive arc stripper plate 10 and rotate the degree, thereby make L type ramp plate 11 change the keyway 13 and steadily remove key block 17 along activity chamber 17 in the key block 17, it is convenient to remove key block 17 to remove the filter screen 17, it is convenient to remove key block 17 to move in the activity chamber, it is convenient to remove key block 17 and filter screen 17.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a centrifugal fan convenient to change filter screen, includes centrifugal fan main part (1), its characterized in that: the utility model discloses a centrifugal fan, including centrifugal fan main part (1), one side surface of centrifugal fan main part (1) is provided with filter screen (2), one side surface of filter screen (2) is provided with clamping mechanism (3), one side surface of clamping mechanism (3) is provided with changes mechanism (4), clamping mechanism (3) are including mounting panel (5), outline border board (6), keyway (7) and key piece (8), mounting panel (5) fixed mounting is in one side surface of centrifugal fan main part (1), change mechanism (4) including connecting block (9), arc stripper plate (10), L type ramp plate (11), pivot (12), inserted bar (13), spring (14), T type guide arm (15), bearing (16), activity chamber (17) and guide way (18).

2. The centrifugal ventilator facilitating filter screen replacement according to claim 1, wherein: the outer frame plate (6) is located the outer wall of the filter screen (2), the key blocks (8) are fixedly arranged at the front end and the rear end of the outer wall of the outer frame plate (6) respectively, and the key grooves (7) are arranged at the front end and the rear end of the inner wall of the mounting plate (5) respectively.

3. The centrifugal ventilator facilitating filter screen replacement according to claim 2, wherein: the key groove (7) and the key block (8) are clamped.

4. The centrifugal ventilator facilitating filter screen replacement according to claim 1, wherein: the bearing (16) is located in the middle of the key block (8), the rotating shaft (12) is located on the outer surface of the upper end of the bearing (16), the connecting block (9) is fixedly installed in the middle of the outer wall of the rotating shaft (12), the two groups of arc-shaped extrusion plates (10) are fixedly installed on the two sides of the outer wall of the connecting block (9) respectively, the two groups of movable cavities (17) are arranged on the two sides of the inner surface of the upper end of the key block (8) respectively, the T-shaped guide rod (15) is fixedly installed on the inner surface of one side of each movable cavity (17), the inserted rod (13) is located inside each movable cavity (17), the guide groove (18) is formed in the inner surface of one side of the inserted rod (13), the spring (14) is located on the outer surface of one side of the T-shaped guide rod (15), the spring (14) is located between the guide groove (18) and the T-shaped guide rod (15), the L-shaped slope plate (11) is fixedly installed on one side of the outer surface of the upper end of the inserted rod (13), and the outer surfaces of the two sides of the mounting plate (5) are provided with clamping grooves.

5. The centrifugal ventilator facilitating filter screen replacement according to claim 4, wherein: be swing joint between T type guide arm (15) and guide way (18), be elastic connection between T type guide arm (15) pass through spring (14) and guide way (18), be the joint between inserted bar (13) and the draw-in groove.