CN212803775U

CN212803775U - Special dust cover convenient to install for fan

Info

Publication number: CN212803775U
Application number: CN202021624506.7U
Authority: CN
Inventors: 蔡逸雷
Original assignee: Quanzhou Quanfeng Motor Co ltd
Current assignee: Quanzhou Quanfeng Motor Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-26
Anticipated expiration: 2030-08-07

Abstract

The utility model belongs to the technical field of dustproof devices, and particularly discloses a special dustproof cover convenient to mount for a fan, which comprises a dustproof cover body and a mounting assembly; the mounting assembly comprises a rotating plate, a first rotating shaft and a second rotating shaft; the rotating plate is vertically fixed on one side of the bottom surface of the dust cover body, lantern rings are fixed on two sides of the bottom end of the rotating plate in an outward extending mode, a first rotating shaft is arranged between the two sets of rings and is in rotating connection with the two sets of rings; one side of the first rotating shaft is fixedly connected with a cross rod, the cross rod is horizontally arranged, the other end of the cross rod is vertically fixed with a first clamping rod, and the middle part of the first rotating shaft is fixedly connected with a connecting plate; the connecting plate is vertical to be set up and connecting plate bottom fixedly connected with sleeve pipe, and the sheathed tube is inside to be provided with the second pivot and the second pivot rotates with the sleeve pipe to be connected, and second pivot one end outwards extends and fixedly connected with second kelly.

Description

Special dust cover convenient to install for fan

Technical Field

The utility model relates to a dust keeper technical field specifically is a special dust cover of being convenient for installation of fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

When the centrifugal fan does not work, a dust cover is needed to prevent dust from entering the interior of the fan through an air opening, most of the existing dust covers are installed and fixed through bolts during installation, so that the installation steps are complicated, and the installation mode is inconvenient to disassemble when workers maintain the fan; therefore, a special dustproof cover convenient to mount for the fan is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special dust cover of being convenient for installation of fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dust cover special for a fan and convenient to mount comprises a dust cover body and a mounting assembly; the mounting assembly comprises a rotating plate, a first rotating shaft and a second rotating shaft; the rotating plate is vertically fixed on one side of the bottom surface of the dust cover body, lantern rings are fixed on two sides of the bottom end of the rotating plate in an outward extending mode, a first rotating shaft is arranged between the two sets of rings and is in rotating connection with the two sets of rings; one side of the first rotating shaft is fixedly connected with a cross rod, the cross rod is horizontally arranged, the other end of the cross rod is vertically fixed with a first clamping rod, and the middle part of the first rotating shaft is fixedly connected with a connecting plate; the connecting plate is vertical to be set up and connecting plate bottom fixedly connected with sleeve pipe, and the sheathed tube is inside to be provided with the second pivot and the second pivot rotates with the sleeve pipe to be connected, and second pivot one end outwards extends and fixedly connected with second kelly.

Preferably, the second rotating shaft comprises a rotating rod and a circular tube, the lengths of the circular tube, the sleeve and the rotating rod are sequentially increased, the outer diameter of the circular tube is matched with the inner diameter of the sleeve, the inner diameter of the circular tube is matched with the diameter of the rotating rod, the circular tube is sleeved on the surface of the rotating rod and is rotatably connected with the sleeve, two ends of the rotating rod extend outwards, one end of the rotating rod is fixedly connected with the second clamping rod, and the other end of the rotating rod is fixedly connected with the locking; the surface of the lock ring is provided with first clamping teeth, the inner wall of the sleeve is correspondingly provided with second clamping teeth, and the first clamping teeth are meshed with the second clamping teeth.

Preferably, the surface of the circular tube is outwards symmetrically provided with sliding blocks, the sleeve is correspondingly provided with sliding grooves, and the circular tube and the sleeve are in sliding connection through the matching of the sliding blocks and the sliding grooves.

Preferably, a through hole is formed in the surface of the second clamping rod, and a clamping piece is arranged in the through hole; the clamping piece comprises a third clamping rod and a clamping ring; the size of the third clamping rod is matched with a round hole formed in the edge of the top of the air inlet of the fan; the snap ring is fixed on the surface of the third snap rod, and the size of the snap ring is larger than that of the through hole.

Preferably, the other side of the bottom surface of the dust cover body, which is opposite to the rotating plate, is provided with an elastic clamping protrusion.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation component just can make this dust cover install and be fixed in fan wind gap top position, plays dustproof effect, and only need take off the catch when dismantling alright dismantle in proper order, need the bolt to fix the installation that leads to in having avoided traditional installation loaded down with trivial details and dismantle inconvenient, more convenient to use person uses.

Drawings

FIG. 1 is a schematic view of the connection of the mounting assembly of the present invention;

fig. 2 is an overall front view of the present invention.

In the figure: 1. a dust cover body; 2. rotating the plate; 3. a collar; 4. a first rotating shaft; 5. a cross bar; 6. a first clamping rod; 7. a connecting plate; 8. a sleeve; 9. a second rotating shaft; 901. a rotating rod; 902. a circular tube; 10. a second clamping rod; 11. a locking ring; 12. a first latch; 13. a second latch; 14. a slider; 15. a chute; 16. a through hole; 17. a fastener; 171. a third clamping rod; 172. a snap ring; 18. an elastic bulge; 19. a fan.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like 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 device or element referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a dust cover special for a fan and convenient to mount comprises a dust cover body 1 and a mounting assembly; the mounting assembly comprises a rotating plate 2, a first rotating shaft 4 and a second rotating shaft 9; the dust cover is characterized in that the rotating plate 2 is vertically fixed on one side of the bottom surface of the dust cover body 1, two sides of the bottom end of the rotating plate 2 extend outwards to be fixed with lantern rings 3, a first rotating shaft 4 is arranged between the two sets of rings 3, and the first rotating shaft 4 is rotatably connected with the two sets of rings 3; a cross rod 5 is fixedly connected to one side of the first rotating shaft 4, the cross rod 5 is horizontally arranged, a first clamping rod 6 is vertically fixed to the other end of the cross rod 5, and a connecting plate 7 is fixedly connected to the middle of the first rotating shaft 4; the connecting plate 7 is vertically arranged, the bottom end of the connecting plate 7 is fixedly connected with a sleeve 8, a second rotating shaft 9 is arranged inside the sleeve 8, the second rotating shaft 9 is rotatably connected with the sleeve 8, and one end of the second rotating shaft 9 extends outwards and is fixedly connected with a second clamping rod 10.

Further, the second rotating shaft 9 includes a rotating rod 901 and a circular tube 902, the lengths of the circular tube 902, the sleeve 8 and the rotating rod 901 are sequentially increased, the outer diameter of the circular tube 902 is matched with the inner diameter of the sleeve 8, the inner diameter of the circular tube 902 is matched with the diameter of the rotating rod 901, the circular tube 902 is sleeved on the surface of the rotating rod 901 and is rotatably connected with the sleeve 8, two ends of the rotating rod 901 extend outwards, one end of the rotating rod is fixedly connected with the second clamping rod 10, and the other end of the rotating rod is fixedly connected with the locking ring; the surface of the lock ring 11 is provided with a first latch 12, the inner wall of the sleeve 8 is correspondingly provided with a second latch 13, and the first latch 12 is meshed with the second latch 13.

Further, the surface of the circular tube 902 is symmetrically provided with sliding blocks 14, the sleeve 8 is correspondingly provided with sliding grooves 15, and the circular tube 902 is in sliding connection with the sleeve 8 through the matching of the sliding blocks 14 and the sliding grooves 15.

Further, a through hole 16 is formed in the surface of the second clamping rod 10, and a clamping piece 17 is arranged in the through hole 16; the clip 17 includes a third clip rod 171 and a clip ring 172; the size of the third clamping rod 171 is matched with a round hole formed in the edge of the top of an air port of the fan 19; the snap ring 172 is fixed on the surface of the third snap rod 171, and the size of the snap ring 172 is larger than that of the through hole 16.

Furthermore, the other side of the bottom surface of the dust cover body 1 opposite to the rotating plate 2 is provided with an elastic clamping protrusion 18.

The working principle is as follows: before the utility model is used, the lantern rings 3 are sleeved at two ends of the first rotating shaft 4, so that the lantern rings 3 are rotationally connected with the first rotating shaft 4, and the rotating rod 901 passes through the center of the circular tube 902, so that the rotating rod 901 is rotationally connected with the sleeve 8 through the circular tube 902; when the air inlet of the fan 19 is installed, the first clamping rod 6 extends into the position of the inner wall of the air inlet of the fan 19, the thickness of the cross rod 5 is the same as that of the inner wall of the air inlet of the fan 19, so that the first clamping rod 6 can be in close contact with the inner wall of the air inlet of the fan 19, then the second clamping rod 10 is rotatably connected with the sleeve 8 through the second rotating shaft 9, the second clamping rod 10 is rotated to be horizontal, the third clamping rod 171 on the surface of the second clamping rod 10 penetrates through the circular hole formed in the edge of the top end of the air inlet of the fan 19, so that the second clamping rod 10 can be fixedly connected with the edge of the top end of the air inlet of the fan 19, and the clamping ring 172 is fixed on the surface of the third clamping rod 171, the size; after the second clamping rod 10 is fixedly connected with the edge of the top end of the air inlet of the fan 19, the locking ring 11 is sleeved on the surface of the rotating rod 901, as the surface of the locking ring 11 is provided with the first clamping tooth 12 and the inner wall of the sleeve 8 is provided with the second clamping tooth 13, the locking ring 11 can be engaged and connected with the sleeve 8 through the matching of the first clamping tooth 12 and the second clamping tooth 13, the second rotating shaft 9 is ensured not to rotate, and finally the dust cover is installed; dust cover body 1 can be connected through first pivot 4 and lantern ring 3's rotation after the installation is accomplished and rotate to can cover the wind gap when fan 19 is out of work, play dustproof effect, can open fan 19's wind gap when using again, can not influence fan 19's use.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special dust cover of being convenient for installation of fan which characterized in that: comprises a dust cover body (1) and a mounting component; the mounting assembly comprises a rotating plate (2), a first rotating shaft (4) and a second rotating shaft (9); the dust cover is characterized in that the rotating plate (2) is vertically fixed on one side of the bottom surface of the dust cover body (1), two lantern rings (3) extend outwards from two sides of the bottom end of the rotating plate (2), a first rotating shaft (4) is arranged between the two lantern rings (3), and the first rotating shaft (4) is rotatably connected with the two lantern rings (3); a cross rod (5) is fixedly connected to one side of the first rotating shaft (4), the cross rod (5) is horizontally arranged, a first clamping rod (6) is vertically fixed to the other end of the cross rod (5), and a connecting plate (7) is fixedly connected to the middle of the first rotating shaft (4); connecting plate (7) vertical setting and connecting plate (7) bottom fixedly connected with sleeve pipe (8), sleeve pipe (8) inside be provided with second pivot (9) and sleeve pipe (8) rotate to be connected, second pivot (9) one end outwards extends and fixedly connected with second kelly (10).

2. The special dust cover convenient to install of fan of claim 1, characterized in that: the second rotating shaft (9) comprises a rotating rod (901) and a round pipe (902), the lengths of the round pipe (902), the sleeve (8) and the rotating rod (901) are sequentially increased, the outer diameter of the round pipe (902) is matched with the inner diameter of the sleeve (8), the inner diameter of the round pipe (902) is matched with the diameter of the rotating rod (901), the round pipe (902) is sleeved on the surface of the rotating rod (901) and is rotatably connected with the sleeve (8), two ends of the rotating rod (901) extend outwards, one end of the rotating rod is fixedly connected with the second clamping rod (10), and the other end of the rotating rod is fixedly connected with the locking ring (11); the surface of the lock ring (11) is provided with a first latch (12), the inner wall of the sleeve (8) is correspondingly provided with a second latch (13), and the first latch (12) is meshed and connected with the second latch (13).

3. The special dust cover convenient to install of fan of claim 2, characterized in that: the surface of the round pipe (902) is outwards symmetrically provided with sliding blocks (14), the sleeve (8) is correspondingly provided with sliding grooves (15), and the round pipe (902) and the sleeve (8) are in sliding connection through the matching of the sliding blocks (14) and the sliding grooves (15).

4. The special dust cover convenient to install of fan of claim 1, characterized in that: a through hole (16) is formed in the surface of the second clamping rod (10), and a clamping piece (17) is arranged in the through hole (16); the clamping piece (17) comprises a third clamping rod (171) and a clamping ring (172); the size of the third clamping rod (171) is matched with a round hole formed in the edge of the top of an air opening of the fan (19); the clamping ring (172) is fixed on the surface of the third clamping rod (171), and the size of the clamping ring (172) is larger than that of the through hole (16).

5. The special dust cover convenient to install of fan of claim 1, characterized in that: the other side of the bottom surface of the dust cover body (1) relative to the rotating plate (2) is provided with an elastic clamping bulge (18).