CN218266413U

CN218266413U - Centrifugal pipeline fan

Info

Publication number: CN218266413U
Application number: CN202220304750.8U
Authority: CN
Inventors: 熊妍婷; 杨文勇; 范良波
Original assignee: Shanghai Huihong Blower Fan Co ltd
Current assignee: Shanghai Huihong Blower Fan Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2023-01-10
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a centrifugal pipeline fan, which comprises a frame, install drive assembly in the frame, fixedly connected with aircraft bonnet in the frame, the inside of aircraft bonnet is provided with the impeller, the barrel is still installed to the inside of aircraft bonnet, the inside of aircraft bonnet is provided with control mechanism, be provided with the clearance subassembly on the barrel. The utility model discloses a set up control mechanism and clearance subassembly, under the mating reaction of control mechanism and clearance subassembly, staff's accessible control driving motor's rotation direction is cleared up the impeller on one's way, need not to adopt the mode clearance of dismantling, avoids still needing to carry out the condition of installing again after the in-process complex operation of dismantling and clearance to appear, and the simple operation improves the clearance effect.

Description

Centrifugal pipeline fan

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a centrifugal pipeline 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.

Current centrifugal pipeline fan is after the installation is used for a long time, a large amount of dusts can be piled up on the surface of its impeller, thereby increased the weight of impeller, influenced impeller pivoted speed, and increased the work energy consumption of motor, at present when the dust on clearance impeller surface, most all adopt the mode clearance of dismantling, at the in-process complex operation of dismantling, and still need install again after the clearance, lead to the efficiency of clearance slow, the operation is complicated, so, need design a centrifugal pipeline fan to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a centrifugal pipeline fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a centrifugal pipeline fan, includes the frame, install drive assembly in the frame, fixedly connected with aircraft bonnet in the frame, the inside of aircraft bonnet is provided with the impeller, the barrel is still installed to the inside of aircraft bonnet, the inside of aircraft bonnet is provided with control mechanism, be provided with the clearance subassembly on the barrel.

As a preferred technical scheme of the utility model, control mechanism includes one-way bearing one and one-way bearing two, one-way bearing one is all established on drive assembly's output shaft with the inner circle of one-way bearing two, the outer lane of one-way bearing one is connected with the impeller, the outer lane of one-way bearing two is connected with the inner face of barrel.

As a preferred technical scheme of the utility model, the clearance subassembly includes a plurality of balancing weights, the flexible clean hair of multistage, a plurality of extension springs and a plurality of elasticity spacing rope, and is a plurality of the inside at the barrel is all installed to the balancing weight, the multistage is fixed respectively in the side of a plurality of balancing weights, the multistage is extended to the outside of barrel, a plurality of to the other end of the flexible clean hair the one end of extension spring all is connected with the inner face of barrel, and is a plurality of the other end of extension spring is connected with the side of a plurality of balancing weights respectively, and is a plurality of two liang of a set of elasticity spacing rope to be connected with the side of a plurality of balancing weights respectively.

As an optimized technical proposal of the utility model, the flexible cleaning hair is made of flexible ABS plastic.

As an optimal technical scheme of the utility model, it is a plurality of the one end of elasticity spacing rope is respectively with the side fixed connection of a plurality of balancing weights, and is a plurality of the other end of elasticity spacing rope all is connected with the inner face of barrel.

As an optimized technical scheme of the utility model, the rotatable opposite direction of one-way bearing one and one-way bearing two.

The utility model discloses a set up control mechanism and clearance subassembly, under the mating reaction of control mechanism and clearance subassembly, staff's accessible control driving motor's rotation direction is cleared up the impeller to, need not to adopt the mode clearance of dismantling, avoids still needing to carry out the condition appearance of installing again after the in-process complex operation of dismantlement and clearance, and the simple operation improves the clearance effect.

Drawings

Fig. 1 is a schematic structural view of a centrifugal pipeline fan provided by the present invention;

fig. 2 is an exploded view of a centrifugal pipeline fan according to the present invention;

fig. 3 is an enlarged view of a structure at a position a of the centrifugal pipeline fan provided by the present invention;

fig. 4 is a cross-sectional view of a cylinder in a centrifugal pipeline fan according to the present invention;

fig. 5 is a partial enlarged view of a centrifugal pipeline fan according to the present invention.

In the figure: the device comprises a frame 1, a driving assembly 2, an impeller 3, a hood 4, a cylinder 5, a control mechanism 6, a one-way bearing I61, a one-way bearing II 62, a cleaning assembly 7, a balancing weight 71, flexible cleaning bristles 72, a tension spring 73 and an elastic limiting rope 74.

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.

Referring to fig. 1-5, a centrifugal pipeline fan, which comprises a frame 1, install drive assembly 2 in the frame 1, drive assembly 2's theory of operation is comparatively ripe prior art, not shown in the figure, do not do too much repeated description here yet, furthermore, drive assembly 2 chooses for use servo motor, the staff of being convenient for controls drive assembly 2's positive and negative rotation, fixedly connected with aircraft bonnet 4 in the frame 1, the inside of aircraft bonnet 4 is provided with impeller 3, barrel 5 is still installed to the inside of aircraft bonnet 4, barrel 5 is the hollow cylinder tube-shape, the inside of aircraft bonnet 4 is provided with control mechanism 6, be provided with clearance subassembly 7 on the barrel 5.

Referring to fig. 1-5, the control mechanism 6 includes a first unidirectional bearing 61 and a second unidirectional bearing 62, inner rings of the first unidirectional bearing 61 and the second unidirectional bearing 62 are both sleeved on the output shaft of the driving assembly 2, an outer ring of the first unidirectional bearing 61 is connected with the impeller 3, an outer ring of the second unidirectional bearing 62 is connected with an inner surface of the barrel 5, and the working principle of the first unidirectional bearing 61 and the second unidirectional bearing 62 is a mature prior art, which is not shown in the drawings and is not described herein in detail.

Referring to fig. 1-5, the cleaning assembly 7 includes a plurality of weight blocks 71, a plurality of sections of flexible cleaning bristles 72, a plurality of tension springs 73 and a plurality of elastic limiting ropes 74, the plurality of weight blocks 71 are all installed inside the barrel 5, one ends of the plurality of sections of flexible cleaning bristles 72 are respectively fixed on the sides of the plurality of weight blocks 71, the other ends of the plurality of sections of flexible cleaning bristles 72 extend to the outside of the barrel 5, one ends of the plurality of tension springs 73 are all connected with the inner surface of the barrel 5, the other ends of the plurality of tension springs 73 are respectively connected with the sides of the plurality of weight blocks 71, and the plurality of elastic limiting ropes 74 are in a group and are respectively connected with the sides of the plurality of weight blocks 71.

Referring to fig. 1-5, the flexible cleaning bristles 72 are made of flexible ABS plastic, which has superior scratch, weather, and abrasion resistance, making the flexible cleaning bristles 72 more durable.

Referring to fig. 1 to 5, one end of each of the elastic limiting ropes 74 is fixedly connected to the side of each of the plurality of weight blocks 71, and the other end of each of the elastic limiting ropes 74 is connected to the inner surface of the barrel 5, so that the position of the weight block 71 can be fixed by the elastic limiting ropes 74, and the weight block 71 is prevented from easily shaking in the barrel 5.

Referring to fig. 1-5, the first one-way bearing 61 and the second one-way bearing 62 rotate in opposite directions.

The utility model discloses a concrete theory of operation as follows:

under initial condition, the most part of the flexible clean hair 72 of multistage all is located the inside of barrel 5, flexible clean hair 72 can not contact with impeller 3 this moment, impeller 3 can not contact with the flexible clean hair 72 of multistage during normal rotation under this condition, can guarantee impeller 3's normal operation, can also prolong the life of flexible clean hair 72, and simultaneously, a plurality of elasticity spacing ropes 74 all are in tight state, under the pulling force effect of elasticity spacing rope 74 and extension spring 73, balancing weight 71 can remain stable.

The utility model provides a pipeline fan is when normal use, the direction of rotation of the output shaft of drive assembly 2 is the same with the locking direction of one-way bearing 61, impeller 3 can accompany drive assembly 2 and take place to rotate this moment, the device is in the state of normal work, when needing to clear up a plurality of blades on impeller 3, the steerable drive assembly 2 of staff reversal, the locking direction of one-way bearing 61 is opposite with the direction of rotation of drive assembly 2 output shaft this moment, the locking direction of one-way bearing two 62 is the same with the direction of rotation of drive assembly 2 output shaft, the output shaft of drive assembly 2 rotates this moment and can not drive impeller 3 and take place to rotate, and can drive barrel 5 and take place to rotate, barrel 5 is at high-speed pivoted in-process, under the effect of centrifugal force, a plurality of balancing weights 71 can move towards the direction of keeping away from drive assembly 2 output shafts, the flexible clean hair 72 homoenergetic of multistage can contact with impeller 3 this moment, the rotation of barrel 5 is followed, the flexible clean hair 72 of multistage can brush the dust attached to impeller 3, thereby play the clearance effect to the dust on impeller 3, the artifical mode of dismantling the fan, the impeller 3 is cleared up.

After finishing cleaning impeller 3, the staff can control drive assembly 2 corotation once more for impeller 3 takes place the rotation once more, and the air current that produces when accompanying impeller 3 to rotate piles up the dust in aircraft bonnet 4 inside and can be blown out, can avoid a large amount of dust after the clearance many times to pile up the condition appearance in aircraft bonnet 4 inside.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a centrifugal pipeline fan, includes frame (1), install drive assembly (2) on frame (1), fixedly connected with aircraft bonnet (4) on frame (1), the inside of aircraft bonnet (4) is provided with impeller (3), its characterized in that, barrel (5) are still installed to the inside of aircraft bonnet (4), the inside of aircraft bonnet (4) is provided with control mechanism (6), be provided with clearance subassembly (7) on barrel (5).

2. The centrifugal pipeline fan as claimed in claim 1, wherein the control mechanism (6) comprises a first one-way bearing (61) and a second one-way bearing (62), inner rings of the first one-way bearing (61) and the second one-way bearing (62) are sleeved on the output shaft of the driving assembly (2), an outer ring of the first one-way bearing (61) is connected with the impeller (3), and an outer ring of the second one-way bearing (62) is connected with the inner surface of the barrel (5).

3. The centrifugal pipeline fan as claimed in claim 1, wherein the cleaning assembly (7) comprises a plurality of balancing weights (71), a plurality of sections of flexible cleaning bristles (72), a plurality of tension springs (73) and a plurality of elastic limiting ropes (74), the balancing weights (71) are all installed inside the barrel (5), one ends of the flexible cleaning bristles (72) are respectively fixed on the side surfaces of the balancing weights (71), the other ends of the flexible cleaning bristles (72) extend to the outside of the barrel (5), one ends of the tension springs (73) are connected with the inner surface of the barrel (5), the other ends of the tension springs (73) are respectively connected with the side surfaces of the balancing weights (71), and the elastic limiting ropes (74) are pairwise and are respectively connected with the side surfaces of the balancing weights (71).

4. A centrifugal duct fan according to claim 3, characterized in that the flexible cleaning bristles (72) are made of flexible ABS plastic.

5. A centrifugal duct fan according to claim 3, wherein one ends of the elastic limiting ropes (74) are fixedly connected to the side surfaces of the balancing weights (71), respectively, and the other ends of the elastic limiting ropes (74) are connected to the inner surface of the cylinder (5).

6. A centrifugal duct fan according to claim 2, wherein the one-way bearing one (61) is rotatable in the opposite direction to the one-way bearing two (62).