CN218266521U

CN218266521U - Novel centrifugal fan stable in operation

Info

Publication number: CN218266521U
Application number: CN202222569775.3U
Authority: CN
Inventors: 钱浩善; 钱春明
Original assignee: WENLING CITY HOUSEHOLD ELECTROMOTOR FACTORY
Current assignee: WENLING CITY HOUSEHOLD ELECTROMOTOR FACTORY
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-10
Anticipated expiration: 2032-09-28

Abstract

The utility model belongs to the technical field of centrifugal fan, especially, be a novel centrifugal fan that operates stably, comprising a main body. The impeller box is arranged in the main body in a sliding mode and is clamped and connected in the positioning groove through the tooth block after the sliding block is arranged in the sliding groove in a sliding mode and resistance is reduced through the ball, and then the impeller box can be limited in the positioning groove through fixing of the cover plate; make ring frame sliding connection inside one side of apron and make card strip block connect in the inside back of draw-in groove through promoting the filter plate, utilize reset spring to drive the spacer pin and reset and can make its joint connect in the inside of ring frame and form spacingly, and then the slope structure through the filter plate can be with impurity under the filtration outside sliding discharge under the drive of wind-force, and simple structure can effectively avoid the inside a large amount of impurity of equipment to pile up and form the dirt and improve the result of use.

Description

Novel centrifugal fan stable in operation

Technical Field

The utility model belongs to the technical field of centrifugal fan, concretely relates to novel centrifugal fan that operation is stable.

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 extraction and cooling of factories, mines, 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; the wind tunnel wind source and the field of the aeration and propulsion of air cushion ships, along with the development of the technology, the centrifugal fan on the market has various styles, and the novel centrifugal fan is stable in operation.

The prior novel centrifugal fan with stable operation has the following defects when in use:

1. most of the existing equipment is fixed through a large number of bolt pieces, and the impeller is installed inside the equipment, so that when the internal elements are cleaned or disassembled for maintenance, the equipment cannot be conveniently disassembled for use, and the working efficiency is low, so that the using effect is influenced.

2. When the dust collector is used, a large amount of dust particles in the external air can be sucked, so that a large amount of dust inside the dust collector is accumulated to form dirt, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel centrifugal fan that operates stably, for solving the above-mentioned problem that exists among the prior art, the utility model provides a novel centrifugal fan that operates stably has and can conveniently dismantles a maintenance and can effectively prevent a large amount of dusts to pile up inside characteristics with inside impeller.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel centrifugal fan that operates stably, includes the main part, one side of main part is inside to be provided with and to be used for filtering impurity and prevent to pile up in inside filter plate, one side of main part still is provided with the apron that can conveniently install and remove, one side of filter plate is provided with the ring frame that is used for with the cover connection, one side of apron is provided with the push pedal that is used for controlling the fixed state of filter plate, the inside of main part is provided with the impeller case, the motor front end of main part is provided with and is used for the pivot of being connected with the impeller case, the inboard one end of impeller case is provided with and is used for the spacing ring cover of pivot, the other end of impeller case is provided with and is used for the limiting plate with the cover connection, the inside of apron is provided with and is used for the spacer pin fixed with the ring frame.

As the utility model discloses a preferred technical scheme of novel centrifugal fan that operates stably, the outside of pivot is provided with and is used for the tooth piece of being connected with the ring cover, the constant head tank that is used for tooth piece block to connect is offered to the inboard of tooth piece.

As the utility model discloses a preferred technical scheme of novel centrifugal fan that operates stably, the one end of limiting plate is provided with the slider, the spout that is used for the slider to rotate the connection is offered to one side of apron.

As a preferred technical scheme of a novel centrifugal fan that operates stably, one side inside of slider is provided with the ball that is used for reducing the resistance.

As the utility model discloses a preferred technical scheme of novel centrifugal fan that operates stably, one side of ring frame is provided with and is used for the card strip with the cover connection, the draw-in groove that is used for card strip block to connect is offered to the inboard of apron.

As the utility model discloses a move preferred technical scheme of stable novel centrifugal fan, one side lower extreme of push pedal is provided with and is used for driving its automatic re-setting's reset spring with the spacer pin connection.

Compared with the prior art, the beneficial effects of the utility model are that:

the sliding block is arranged in the sliding groove in a sliding mode, the resistance is reduced through the balls, the impeller box is arranged in the main body in a sliding mode, the tooth block is connected to the inside of the positioning groove in a clamping mode, the impeller box can be limited in the inner portion through fixing of the cover plate, the operation is simple, the impeller box can be effectively installed and disassembled, cleaning, maintenance and use are facilitated, and the using effect is improved;

make ring frame sliding connection inside one side of apron and make card strip block connect in the inside back of draw-in groove through promoting the filter plate, utilize reset spring to drive the spacer pin and reset and can make its joint connect in the inside of ring frame and form spacingly, and then the slope structure through the filter plate can be with impurity under the filtration outside sliding discharge under the drive of wind-force, and simple structure can effectively avoid the inside a large amount of impurity of equipment to pile up and form the dirt and improve the result of use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic structural view of the inner part of the main body of the present invention;

FIG. 3 is a schematic view of a part A of the present invention;

FIG. 4 is a schematic view of the connection between the filter plate and the cover plate of the present invention;

in the figure: 1. a main body; 2. filtering a plate; 3. a cover plate; 4. a ring frame; 5. pushing a plate; 6. an impeller case; 7. a rotating shaft; 8. sleeving a ring; 9. a limiting plate; 10. a spacing pin; 11. a tooth block; 12. positioning a groove; 13. a slider; 14. a chute; 15. a ball bearing; 16. clamping the strip; 17. a card slot; 18. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a novel centrifugal fan that operates stably, including main part 1, the inside filter plate 2 that is used for preventing to pile up in inside with impurity filtering that is provided with in one side of main part 1, one side of main part 1 still is provided with the apron 3 that can conveniently install and remove, one side of filter plate 2 is provided with the ring frame 4 that is used for being connected with apron 3, one side of apron 3 is provided with the push pedal 5 that is used for controlling the fixed state of filter plate 2, the inside of main part 1 is provided with impeller case 6, the motor front end of main part 1 is provided with the pivot 7 that is used for being connected with impeller case 6, the inboard one end of impeller case 6 is provided with and is used for the ring cover 8 spacing with pivot 7, the other end of impeller case 6 is provided with the limiting plate 9 that is used for being connected with apron 3, the inside of apron 3 is provided with and is used for the spacer pin 10 fixed with ring frame 4, the T type pore structure that is used for installing spacer pin 10 is offered to one side of apron 3 in this embodiment.

Specifically, the outer side of the rotating shaft 7 is provided with a tooth block 11 for being connected with the ring sleeve 8, the inner side of the tooth block 11 is provided with a positioning groove 12 for clamping and connecting the tooth block 11, and one side of the main body 1 in this embodiment is provided with a fixing seat structure for limiting one end of the rotating shaft 7.

Specifically, one end of the limit plate 9 is provided with a slide block 13, and one side of the cover plate 3 is provided with a slide groove 14 for the slide block 13 to be rotatably connected.

Specifically, the inside ball 15 that is used for reducing the resistance that is provided with in one side of slider 13, ball 15 supports the inner wall of spout 14 in this embodiment can prevent slider 13 and the dead circumstances of card from appearing and improve work efficiency.

Specifically, one side of the ring frame 4 is provided with a clamping strip 16 connected with the cover plate 3, the inner side of the cover plate 3 is provided with a clamping groove 17 used for clamping and connecting the clamping strip 16, and the clamping strip 16 is of an elastic rubber structure in the embodiment.

Specifically, a return spring 18 which is connected with the limit pin 10 and drives the limit pin to automatically reset is arranged at the lower end of one side of the push plate 5, and in the embodiment, a telescopic rod structure is arranged at the temporal part of the return spring 18, and the telescopic rod structure is arranged inside the T-shaped hole.

The utility model discloses a theory of operation and use flow: the utility model discloses a slide block 13 that will set up in one side of limiting plate 9 is installed in the spout 14 inside one side of apron 3 slidably, and after the ball 15 that lies in one side of slide block 13 reduces the resistance, install impeller box 6 in the inside of main part 1 slidably, and make the tooth block 11 block that sets up in the inside one end pivot 7 inboard of main part 1 connect in the inboard constant head tank 12 of impeller box 6 end ring cover 8, and then utilize the fixed of apron 3 to be limited in the inside impeller box 6, easy operation can effectively install and dismantle it and operate, it improves the result of use to be convenient for clean maintenance; make through promoting filter plate 2 to set up in inside one side of apron 3 in the 4 sliding connections of ring frame of its outside position, and make and set up in the card 16 block of 4 one ends of ring frame and connect in the inboard draw-in groove 17 of apron 3 inside back, utilize and set up in the inside reset spring 18 of 3 one side recesses of apron and can drive its inside spacer pin 10 and reset, it is spacing to make the upper end position joint of spacer pin 10 connect in the inside formation of ring frame 4, and then the inclined structure through filter plate 2 can be with the impurity under the filtration outside slip discharge under the drive of wind-force, simple structure can effectively avoid the inside a large amount of impurity of equipment to pile up and form the dirt and improve the result of use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel centrifugal fan that operates stably which characterized in that: including main part (1), one side of main part (1) is inside to be provided with and to be used for filtering impurity and prevent to pile up in inside filter plate (2), one side of main part (1) still is provided with apron (3) that can conveniently install and remove, one side of filter plate (2) is provided with ring frame (4) that are used for being connected with apron (3), one side of apron (3) is provided with push pedal (5) that are used for controlling the fixed state of filter plate (2), the inside of main part (1) is provided with impeller case (6), the motor front end of main part (1) is provided with pivot (7) that are used for being connected with impeller case (6), the inboard one end of impeller case (6) is provided with and is used for spacing ring cover (8) with pivot (7), the other end of impeller case (6) is provided with limiting plate (9) that are used for being connected with apron (3), the inside of apron (3) is provided with and is used for spacer pin (10) fixed with ring frame (4).

2. The novel centrifugal fan with stable operation according to claim 1, is characterized in that: the outside of pivot (7) is provided with tooth piece (11) that are used for being connected with ring cover (8), constant head tank (12) that are used for tooth piece (11) block to connect are seted up to the inboard of tooth piece (11).

3. The novel centrifugal fan stable in operation according to claim 1, characterized in that: one end of the limiting plate (9) is provided with a sliding block (13), and one side of the cover plate (3) is provided with a sliding groove (14) for the sliding block (13) to be rotatably connected.

4. The novel centrifugal fan with stable operation according to claim 3, is characterized in that: and a ball (15) for reducing resistance is arranged in one side of the sliding block (13).

5. The novel centrifugal fan stable in operation according to claim 1, characterized in that: one side of the ring frame (4) is provided with a clamping strip (16) connected with the cover plate (3), and the inner side of the cover plate (3) is provided with a clamping groove (17) used for clamping and connecting the clamping strip (16).

6. The novel centrifugal fan with stable operation according to claim 1, is characterized in that: and the lower end of one side of the push plate (5) is provided with a return spring (18) which is used for being connected with the limit pin (10) and driving the limit pin to automatically reset.