Novel PP acid and alkali resistant explosion-proof fan

Abstract

The utility model discloses a novel PP acid and alkali resistant explosion-proof fan which comprises a bottom plate, a screw rod is rotationally connected to the bottom plate, a hand wheel is installed at one end of the screw rod, a first groove plate and a second groove plate are connected to the bottom plate in a sliding mode, the screw rod is connected with the first groove plate and the second groove plate in a threaded mode, and an air inlet barrel is placed on the first groove plate in an attached mode. When the fan is overhauled, the threaded sleeve can be rotated firstly, so that the threaded sleeve is disconnected from the threaded barrel, then the screw rod is driven by the hand wheel, the first groove plate and the second groove plate are separated on the bottom plate in the opposite direction, and meanwhile the air inlet barrel and the fan body are separated; in this way, the internal structures of the fan body and the air inlet barrel are both exposed, a maintainer can conveniently check the internal condition, meanwhile, dust can be conveniently removed from the impeller, disassembly is relatively simple for the maintainer, the maintenance time can be shortened, and the fan can be put into use more quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel PP fan technical field especially relates to a novel PP acid and alkali resistance explosion -proof fan. BACKGROUND

[0002] The commonly used ventilation equipment mostly adopts metal materials such as carbon steel, stainless steel etc., although stainless steel has certain corrosion resistance, but still gradually appears rust, corrosion perforation etc. when facing long time, high concentration acid and alkali gas erosion, and PP material shows excellent performance in industrial application, is suitable for manufacturing various products, such as plastic board, container, pipeline, furniture parts etc. Because of its high melting point and hard characteristics, PP material is particularly suitable in the application needing high strength and heat resistance, and the dismounting maintenance of most PP acid and alkali resistance explosion -proof fans at present stage is that the air inlet of fan is connected with fan main body by bolt, so that the maintenance and dismounting of fan are very troublesome, the bolt needs to be disassembled one by one, then the impeller and other components in fan can be overhauled or maintained, so it is relatively complicated for overhaul personnel, and maintenance time is wasted. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art and provides a novel PP acid and alkali resistance explosion -proof fan.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A novel PP acid and alkali resistance explosion -proof fan, including the bottom plate, the bottom plate is rotatably connected with screw rod, one end of the screw rod is installed with hand wheel, the bottom plate is slidably connected with first groove plate and second groove plate, the screw rod is threadedly connected with first groove plate and second groove plate, the first groove plate is placed with the air inlet pipe, the second groove plate is placed with the fan main body, the air inlet pipe and the fan main body are fixedly connected with two groups of blocks.

[0006] Preferably, the first groove plate and the second groove plate are fixedly connected with two groups of short rods, a plurality of groups of the block are installed with rubber rings, a plurality of groups of the short rods are movably penetrated with the corresponding blocks, and a plurality of groups of the short rods are attached to the corresponding rubber rings.

[0007] Preferably, the air inlet pipe is threadedly connected with a threaded sleeve.

[0008] Preferably, the fan main body is installed with a motor, the fan main body is rotatably connected with an impeller, and the output end of the motor is connected with the impeller.

[0009] Preferably, the fan main body is installed with an air outlet.

[0010] Preferably, the air inlet pipe is installed with a filter screen.

[0011] Preferably, the fan body is fixed with a threaded cylinder.

[0012] The utility model discloses beneficial effect is:

[0013] 1. Through the bottom plate, screw rod, hand wheel, first slot plate, second slot plate, air inlet pipe and fan body are set, when overhauling the fan, can first rotate threaded sleeve, makes threaded sleeve and threaded cylinder disconnect, then drives screw rod through hand wheel, makes first slot plate and second slot plate opposite direction on the bottom plate apart, also makes air inlet pipe and fan body apart, so that the internal structure of fan body and air inlet pipe all exposes, can conveniently check the internal condition of overhaul personnel, can also conveniently clean the dust of impeller, so that disassembly is relatively simple for the overhaul personnel, can reduce maintenance time, and make the fan can be put into use faster;

[0014] 2. Through the setting of the short rod, the block and the rubber ring, if the shell of the fan body or the air inlet pipe shell is damaged, then after separating, the fan body or the air inlet pipe can be separated from the first slot plate and the second slot plate, and the short rod and the block are separated and pulled out on the short rod, so that the disassembly of the air inlet pipe and the fan body is realized, so that if one of them is damaged, it can be replaced quickly in this way, and when installing, the screw rod drives the first slot plate and the second slot plate to adhere to each other, a plurality of short rods and corresponding blocks are tightly closed to each other, so that the rubber ring can generate friction with the short rod, which can limit the upward movement of the air inlet pipe and the fan body, so that the fan body and the air inlet pipe can be fastened. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a novel PP acid and alkali resistant explosion -proof fan's structural diagram for the utility model puts forward;

[0016] Figure 2 For Figure 1 The structure diagram of the middle impeller, screw rod and bottom plate;

[0017] Figure 3 For Figure 1 The structure diagram of the middle hand wheel, screw rod and first slot plate;

[0018] Figure 4 For Figure 1 The structure diagram of the middle filter screen, first slot plate and block;

[0019] Figure 5 For Figure 1 The structure diagram of the middle short rod, block and rubber ring.

[0020] In the figure: 1, bottom plate; 2, screw rod; 3, hand wheel; 4, first groove plate; 5, second groove plate; 6, air inlet cylinder; 7, fan main body; 8, short rod; 9, block; 10, rubber ring; 11, threaded cylinder; 12, threaded sleeve; 13, motor; 14, air outlet; 15, filter screen; 16, impeller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Embodiment 1, refer to Figures 1 to 5 A novel PP acid and alkali resistant explosion-proof fan, including bottom plate 1, bottom plate 1 is rotatably connected with screw rod 2, screw rod 2 is double-end screw rod, one end of screw rod 2 is provided with hand wheel 3, by rotating hand wheel 3 can make screw rod 2 drive first groove plate 4 and second groove plate 5 to displace to each other, can make air inlet cylinder 6 and fan main body 7 separate, bottom plate 1 is slidably connected with first groove plate 4 and second groove plate 5, screw rod 2 is threadedly connected with first groove plate 4 and second groove plate 5, first groove plate 4 is placed with air inlet cylinder 6, the shell of air inlet cylinder 6 is pp material, second groove plate 5 is placed with fan main body 7, the shell of fan main body 7 is pp material, air inlet cylinder 6 and fan main body 7 are all fixedly connected with two groups of block 9, the overall process is that by manually rotating threaded sleeve 12, make threaded sleeve 12 and threaded cylinder 11 disconnect, drive screw rod 2 by hand wheel 3, to make first groove plate 4 and second groove plate 5 separate in opposite directions on bottom plate 1, also make air inlet cylinder 6 and fan main body 7 separate, so that the internal structure of fan main body 7 and air inlet cylinder 6 is all exposed, can be convenient for maintenance personnel to view internal condition, also can conveniently clean dust for impeller 16, so that disassembly is relatively simple for maintenance personnel, and can reduce maintenance time.

[0023] In the embodiment, the first groove plate 4 and the second groove plate 5 are fixedly connected with two groups of short rods 8, a plurality of block bodies 9 are installed with rubber rings 10, a plurality of short rods 8 are movably penetrated with corresponding block bodies 9, when the threaded sleeve 12 is loosened and the fan body 7 and the air inlet cylinder 6 are separated by the screw rod 2, the fan body 7 and the air inlet cylinder 6 can be lifted and replaced or repaired by the block body 9 and the short rod 8, when the screw rod 2 drives the first groove plate 4 and the second groove plate 5 to abut against each other during installation, a plurality of short rods 8 and corresponding block bodies 9 abut against each other, so that the rubber ring 10 can generate friction with the short rod 8, the air inlet cylinder 6 and the fan body 7 can be limited to move upward, the fan body 7 and the air inlet cylinder 6 can be fastened, a plurality of short rods 8 abut against corresponding rubber rings 10, the air inlet cylinder 6 is connected with the threaded sleeve 12 in a threaded manner, the fan body 7 is installed with a motor 13, the model of the motor 13 is selected according to actual working requirements, the fan body 7 is rotatably connected with an impeller 16, the impeller 16 is also made of pp material, the output end of the motor 13 is connected with the impeller 16, the fan body 7 is installed with an air outlet 14, the air inlet cylinder 6 is installed with a filter screen 15, the fan body 7 is fixedly connected with the threaded cylinder 11, the connection of the threaded cylinder 11 and the threaded sleeve 12 can make the connection part more fastened, and can prevent air leakage to a certain extent.

[0024] The working principle of the embodiment is as follows: in use, the threaded sleeve 12 is disconnected from the threaded cylinder 11 by rotating the threaded sleeve 12, then the screw rod 2 is driven by the hand wheel 3, so that the first groove plate 4 and the second groove plate 5 are separated in opposite directions on the bottom plate 1, and the air inlet cylinder 6 and the fan body 7 are also separated, so that the internal structure of the fan body 7 and the air inlet cylinder 6 is exposed, the internal condition can be easily viewed by maintenance personnel, and the impeller 16 can be easily cleaned of dust, so that disassembly is relatively simple for maintenance personnel, the maintenance time can be reduced, the fan body 7 or the air inlet cylinder 6 is separated from the short rod 8 and the block body 9 on the first groove plate 4 and the second groove plate 5, and the short rod 8 is pulled out, so that the fan body 7 and the air inlet cylinder 6 can be disassembled, and when the threaded sleeve 12 is abutted against the threaded cylinder 11 by the screw rod 2 during installation, the short rod 8 and the rubber ring 10 can be rubbed against each other and provide friction, so that the fan body 7 and the air inlet cylinder 6 can be fastened.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A novel PP acid and alkali resistant explosion-proof fan, comprising a bottom plate (1), characterized in that, The bottom plate (1) is rotatably connected with a screw rod (2), one end of the screw rod (2) is provided with a hand wheel (3), the bottom plate (1) is slidably connected with a first slot plate (4) and a second slot plate (5), the screw rod (2) is threadedly connected with the first slot plate (4) and the second slot plate (5), the first slot plate (4) is placed with an air inlet cylinder (6) attached, the second slot plate (5) is placed with a fan body (7) attached, the air inlet cylinder (6) and the fan body (7) are both fixedly connected with two groups of blocks (9).

2. A novel acid and alkali resistant explosion-proof fan of PP according to claim 1, characterized in that, The first slot plate (4) and the second slot plate (5) are both fixedly connected with two groups of short rods (8), a plurality of groups of blocks (9) are all provided with rubber rings (10), a plurality of groups of short rods (8) are movably penetrated through the corresponding blocks (9), and a plurality of groups of short rods (8) are attached with the corresponding rubber rings (10).

3. A novel PP acid and alkali resistant explosion-proof fan according to claim 1, characterized in that, The air inlet cylinder (6) is threadedly connected with a threaded sleeve (12).

4. A novel PP acid and alkali resistant explosion-proof fan according to claim 1, characterized in that, The fan body (7) is provided with a motor (13), the fan body (7) is rotatably connected with an impeller (16), and the output end of the motor (13) is connected with the impeller (16).

5. A novel acid and alkali resistant explosion-proof fan according to claim 1, characterized in that, The fan body (7) is provided with an air outlet (14).

6. A novel PP acid and alkali resistant explosion-proof fan according to claim 1, characterized in that, The air inlet cylinder (6) is provided with a filter screen (15).

7. A novel PP acid and alkali resistant explosion-proof fan according to claim 1, characterized in that, The fan body (7) is fixedly connected with a threaded cylinder (11).

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