CN220910014U

CN220910014U - Zero gas leakage fan

Info

Publication number: CN220910014U
Application number: CN202322207621.4U
Authority: CN
Inventors: 王东; 王汉杰
Original assignee: Zibo Qian Ventilation Fan Co ltd
Current assignee: Zibo Qian Ventilation Fan Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-05-07
Anticipated expiration: 2033-08-16

Abstract

The utility model relates to the technical field of fans and discloses a gas zero-leakage fan which comprises a fan main body, wherein a fixing ring is fixedly connected to the middle part of the front end of the fan main body, a filter screen plate is arranged on the inner wall of the fixing ring, limit buckles are slidably connected to the four end inner walls of the outer diameter of the filter screen plate, springs are fixedly connected to the inward ends of the limit buckles, the inward ends of the springs are respectively and fixedly connected to the corresponding inner walls of the fan main body, the outward ends of the limit buckles penetrate through the fixing ring, regulating rings are rotatably connected to the inner walls of the outer sides of the front end and the rear end of the fixing ring, pressing blocks are fixedly connected to the inner walls of the regulating rings, and a motor is fixedly connected to the middle part of the rear end of the fan main body. In the utility model, the filter screen part on the filter screen plate is conveniently cleaned independently, and compared with the case that a shaft seal device is additionally arranged at the rear end of the fan main body and the transmission shaft, the maintenance cost required in the later period can be relatively reduced.

Description

Zero gas leakage fan

Technical Field

The utility model relates to the technical field of fans, in particular to a gas zero-leakage fan.

Background

The fan is a device capable of generating air flow, and is widely applied to the fields of industrial production, building ventilation, air conditioning systems, agriculture, aviation and the like by driving an impeller to rotate through a motor so as to generate air flow.

At present, the existing part of fans firstly filter impurities such as particle dust in gas through a filter screen when the gas is sucked in, but the part of the filter screen is usually fixed and inconvenient to detach, so that the cleaning work of the filter screen is troublesome, and in order to prevent the gas leakage in the part of fans, shaft sealing devices are additionally arranged on a transmission bearing of a motor, so that the installation steps are troublesome, and the later maintenance cost is high.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a gas zero-leakage fan.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gaseous zero leakage fan, includes the fan main part, fan main part front end middle part fixedly connected with solid fixed ring, gu fixed ring inner wall is provided with the filter screen board, the equal sliding connection of four end inner walls of filter screen board external diameter is spacing detained, the equal fixedly connected with spring of inwards one end of spacing knot, the inwards one end of spring is fixed connection respectively at the corresponding inner wall of fan main part, the outside one end of spacing knot all runs through solid fixed ring, both ends outside inner wall rotation is connected with the adjusting ring around the solid fixed ring, the adjusting ring inner wall is close to the equal fixedly connected with in spacing knot top outside and presses the piece, fan main part rear end middle part fixedly connected with motor.

As a further description of the above technical solution:

The motor driving end is fixedly connected with a transmission shaft, and the front end of the transmission shaft penetrates through the inner wall of the fan main body and is fixedly connected with a sealing cover.

As a further description of the above technical solution:

The outer wall of the transmission shaft is rotationally connected with a chassis, and the rear end of the chassis is fixedly connected with the inner wall of the rear end of the fan main body.

As a further description of the above technical solution:

The outer wall of the chassis is rotationally connected with a sealing cover, and the front end of the sealing cover is fixedly connected with a connecting disc.

As a further description of the above technical solution:

The chassis front end fixedly connected with a plurality of seal rings, the shape of seal ring outer wall all agrees with the recess shape of sealed lid front end inner wall.

As a further description of the above technical solution:

The front end of the connecting disc is fixedly connected with an impeller.

As a further description of the above technical solution:

the shape of the outward end of the limit button is a dome, and the arc-shaped end of the pressing block faces the outer side of the top end of the limit button.

As a further description of the above technical solution:

the inner diameter of the seal ring is gradually reduced from outside to inside.

The utility model has the following beneficial effects:

1. According to the utility model, the adjusting ring is rotated anticlockwise, so that the pressing block moves towards the top end of the limiting buckle, the limiting buckle is pressed in the gradual movement process of the pressing block, the limiting buckle is retracted into the filter screen plate, and then the handle is pulled to take out the filter screen plate from the fixing ring, so that the filter screen plate is simple in structure and convenient to detach, and the filter screen part on the filter screen plate is conveniently cleaned independently.

2. According to the utility model, the outer side of the chassis is completely covered by the sealing cover, and the sealing ring is in fit connection with the groove on the inner wall of the sealing cover, so that the air tightness between structural connection is improved, and compared with the case that a shaft seal device is additionally arranged at the rear end of the fan main body and the transmission shaft, the fan has a simple and effective structure, and the later maintenance cost is relatively reduced.

Drawings

FIG. 1 is a perspective view of a gas zero leakage blower according to the present utility model;

FIG. 2 is a cross-sectional view of a fan body of a gas zero-leakage fan according to the present utility model;

FIG. 3 is a cross-sectional view of a seal cover of a gas zero leakage blower according to the present utility model;

FIG. 4 is a cross-sectional view of a retaining ring of a gas zero-leakage blower in accordance with the present utility model;

fig. 5 is a cross-sectional view of a filter screen plate of a gas zero-leakage blower according to the present utility model.

Legend description:

1. A fan main body; 2. a fixing ring; 3. a filter screen plate; 4. an adjusting ring; 5. a motor; 6. a transmission shaft; 7. a chassis; 8. sealing cover; 9. a junction plate; 10. an impeller; 11. sealing rings; 12. pressing the blocks; 13. a limit button; 14. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a gas zero leakage fan, including fan main part 1, fan main part 1 front end middle part fixedly connected with solid fixed ring 2, gu fixed ring 2 inner wall is provided with filter screen plate 3, the equal sliding connection of four terminal inner walls of filter screen plate 3 external diameter is spacing detained 13, inwards one end of spacing detaining 13 is all fixedly connected with spring 14, the inwards one end of spring 14 is fixed connection respectively at fan main part 1's corresponding inner wall, spacing detain 13 outwards one end all runs through gu fixed ring 2, gu fixed ring 2 front and back both ends outside inner wall rotation is connected with adjusting ring 4, adjusting ring 4 inner wall is close to spacing detaining 13 top outside and all fixedly connected with pressing block 12, anticlockwise rotation adjusting ring 4, make according to briquetting 12 along with adjusting ring 4 to spacing detaining 13 top department removal, at the in-process that briquetting 12 removed, press gradually through the dome of pressing briquetting 12 towards spacing detaining 13 and draw in filter screen plate 3 inner wall, then the pulling handle will filter screen plate 3 take out from solid fixed ring 2, then wash filter screen plate 3's filter screen plate part, its simple structure is convenient for dismantle, fan main part 1 rear end middle part fixedly connected with motor 5.

Further explaining, motor 5 drive end fixedly connected with transmission shaft 6, transmission shaft 6 front end runs through fan main part 1 inner wall and fixedly connected with sealed lid 8, transmission shaft 6 outer wall rotates and is connected with chassis 7, chassis 7 rear end fixedly connected with is at fan main part 1's rear end inner wall, chassis 7 outer wall rotates and is connected with sealed lid 8, sealed lid 8 front end fixedly connected with adapter plate 9, through starting motor 5, make transmission shaft 6 rotate and drive the impeller 10 of installing on adapter plate 9 rotate, make gas inhale through the air inlet of front end and circulate a week in fan main part 1, then discharge to fan main part 1's right-hand member gas outlet department, chassis 7 front end is connected with a plurality of seal ring 11, seal ring 11 outer wall's shape all agrees with sealed lid 8 front end inner wall's recess shape, adapter plate 9 front end fixedly connected with impeller 10, through sealed lid 8 with chassis 7 outside complete seal cover, and utilize seal ring 11 and sealed lid 8 inner wall's groove to install in a agreeing with, the gas tightness between the structure connection has been increased, while not influencing impeller 10 normal work operation, compare in fan main part 1 rear end and transmission shaft seal 6 installs additional simply, required seal ring 13 outside the end is little end 13 towards the inside diameter, the end is outside of the end 13 is kept down to the arc, the end is kept down to the end, the end is outside to the end is little by the end 13 is kept down to the end, the end is outside to the end is required to the end is kept down.

Working principle: firstly, the adjusting ring 4 is rotated anticlockwise, so that the pressing block 12 moves towards the top end of the limit button 13 along with the adjusting ring 4, in the moving process of the pressing block 12, the dome of the limit button 13 is gradually pressed until the limit button 13 is retracted into the inner wall of the filter screen plate 3 by the arc shape of the pressing block 12, then the filter screen plate 3 is taken out of the fixed ring 2 by pulling the handle, then the filter screen part of the filter screen plate 3 is cleaned, the structure is simple and convenient to detach, the outer side of the chassis 7 is completely covered by the sealing cover 8, and the sealing ring 11 is in fit with the groove on the inner wall of the sealing cover 8, so that the air tightness between structural connection is improved, and compared with the process of adding a shaft seal device at the rear end of the fan main body 1 and the transmission shaft 6, the structure is simple and effective, and the maintenance cost required in the later period can be relatively reduced.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a gaseous zero leakage fan, includes fan main part (1), its characterized in that: the novel air conditioner is characterized in that a fixed ring (2) is fixedly connected to the middle of the front end of the fan main body (1), a filter screen plate (3) is arranged on the inner wall of the fixed ring (2), a limiting buckle (13) is fixedly connected to the inner wall of the outer diameter of the filter screen plate (3) in a sliding manner, a spring (14) is fixedly connected to the inner end of the limiting buckle (13), the corresponding inner wall of the fan main body (1) is fixedly connected to the inner end of the spring (14), the outer end of the limiting buckle (13) penetrates through the fixed ring (2), an adjusting ring (4) is rotatably connected to the inner wall of the outer side of the front end and the rear end of the fixed ring (2), a pressing block (12) is fixedly connected to the outer side of the top end of the adjusting ring (4) close to the limiting buckle (13), and a motor (5) is fixedly connected to the middle of the rear end of the fan main body (1).

2. The gas zero-leakage fan according to claim 1, wherein: the driving end of the motor (5) is fixedly connected with a transmission shaft (6), and the front end of the transmission shaft (6) penetrates through the inner wall of the fan main body (1) and is fixedly connected with a sealing cover (8).

3. A gas zero leakage blower according to claim 2, wherein: the outer wall of the transmission shaft (6) is rotationally connected with a chassis (7), and the rear end of the chassis (7) is fixedly connected with the inner wall of the rear end of the fan main body (1).

4. A gas zero leakage blower according to claim 3, wherein: the outer wall of the chassis (7) is rotationally connected with a sealing cover (8), and the front end of the sealing cover (8) is fixedly connected with a connecting disc (9).

5. A gas zero leakage blower according to claim 3, wherein: the front end of the chassis (7) is fixedly connected with a plurality of sealing rings (11), and the shape of the outer wall of each sealing ring (11) is matched with the shape of the groove of the inner wall of the front end of the sealing cover (8).

6. The gas zero-leakage fan according to claim 4, wherein: the front end of the connecting disc (9) is fixedly connected with an impeller (10).

7. The gas zero-leakage fan according to claim 1, wherein: the shape of the outward end of the limit button (13) is a dome, and the arc-shaped end of the pressing block (12) faces the outer side of the top end of the limit button (13).

8. The gas zero-leakage fan according to claim 5, wherein: the inner diameter of the sealing ring (11) is gradually reduced from outside to inside.