CN220015550U - Fan with adjustable air door - Google Patents

Abstract

The utility model discloses a fan with an adjustable air door, which relates to the field of fans and comprises a housing, wherein one end of the inner wall of the housing is rotationally connected with a plurality of mutually matched turning plates, the other end of the housing is rotationally connected with a swivel, elastic cloth is connected between every two mutually adjacent turning plates, a threaded sleeve is connected inside the housing in a threaded manner, one end of the threaded sleeve is rotationally connected with a swivel plate, and a connecting rod is rotationally connected between the swivel plate and each turning plate. According to the utility model, one end of the shell is rotationally connected with a plurality of mutually matched turning plates, an elastic cloth is connected between every two mutually adjacent turning plates, the turning plates are driven by the rotary swivel to rotationally control the size of the middle gap of the turning plates so as to adjust the size of the air door, the turning plates are inclined inwards, the air collection can be better when the fan body works, meanwhile, the gap between the turning plates is prevented from affecting the control of the size of the air door by the elastic cloth, and the control of the air door is more accurate.

Description

Fan with adjustable air door

Technical Field

The utility model relates to the field of fan bodies, in particular to a fan with an adjustable air door.

Background

The fan is a driven fluid machine which is used for compressing air and delivering air by means of input mechanical energy, and comprises a ventilator, a blower, a wind driven generator and a throttle which is a structure for controlling the size of an inlet of the fan.

The current fan of steerable air door size is generally through rotating at the air inlet end of fan and connect a set of matched with semi-circular deep bead, through the opening size of controlling semi-circular deep bead with the air door size of control fan, realizes the effect of control intake.

However, because the wind shield is semicircular, in order to better control the rotation of the wind shield, the rotating shaft of the wind shield is generally positioned at the semicircular straight surface, so that when air is taken in, wind enters from two sides of the fan, and the wind shield inclined downwards can split the wind, when part of the device is applied, such as a dust collection fan, the wind current can push dust to flow away from two sides of the fan, and the semicircular wind shield is not easy to control the size of the air door when rotating.

Disclosure of Invention

Based on the above, the utility model aims to provide a fan with an adjustable air door, so as to solve the technical problems that the controllable air door on the existing fan is poor in air gathering effect and the size of the air door is not easy to control.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fan of adjustable air door in area, includes the shell cover, the one end of shell cover inner wall rotates and is connected with the board that turns over of polylith mutually supporting, and the other end of shell cover rotates and is connected with the swivel, every two are close to each other all be connected with elasticity cloth between turning over the board, the inside threaded connection of shell cover has the screw thread cover, and the one end rotation of screw thread cover is connected with the swivel, all rotate between swivel and every board that turns over and be connected with the connecting rod, be connected with telescopic machanism between screw thread cover and the swivel.

The utility model is further arranged that one end of the swivel far away from the shell cover is rotationally connected with the fan body, and one end of the fan body is connected with the limiting block which is in sliding connection with the swivel plate.

The telescopic mechanism further comprises a telescopic column and a telescopic sleeve, one end of the threaded sleeve is connected with a plurality of telescopic columns, and the inner wall of the swivel is provided with a plurality of telescopic sleeves which are in sliding connection with the telescopic columns.

The utility model is further arranged that one end of the limiting block, which is far away from the fan body, is connected with the blocking block.

The utility model is further arranged that both sides of the limiting block are provided with guide rails, and the rotating plate is provided with sliding grooves matched with the guide rails.

In summary, the utility model has the following advantages:

according to the utility model, one end of the shell is rotationally connected with a plurality of mutually matched turning plates, an elastic cloth is connected between every two mutually adjacent turning plates, the turning plates are driven by the rotary swivel to rotationally control the size of the middle gap of the turning plates so as to adjust the size of the air door, the turning plates are inclined inwards, the air collection can be better when the fan body works, meanwhile, the gap between the turning plates is prevented from affecting the control of the size of the air door by the elastic cloth, and the control of the air door is more accurate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a schematic structural view of a flap portion of the present utility model.

In the figure: 1. a housing; 2. turning plate; 3. an elastic cloth; 4. a rotating plate; 5. a connecting rod; 6. a thread sleeve; 7. a swivel; 8. a telescopic column; 9. a telescopic sleeve; 10. a fan body; 11. the block is restricted.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance;

in the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, 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.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a fan of adjustable air door in area, as shown in fig. 1-3, including shell cover 1, shell cover 1's one end is rotated and is connected with swivel 7, shell cover 1 inside threaded connection has thread bush 6, be connected with telescopic machanism between thread bush 6 and the swivel 7, the one end that shell cover 1 was kept away from to swivel 7 rotates and is connected with fan body 10, during the use, start fan body 10 and work, when needing the air door size to adjust, rotate swivel 7, can drive thread bush 6 through telescopic machanism and rotate, remove at shell cover 1's inner wall through the screw thread, thread bush 6's one end rotates and is connected with swivel 4, thread bush 6 can drive swivel 4 when removing and remove, shell cover 1 inner wall is kept away from the one end rotation of swivel 7 and is connected with the polylith and mutually supporting turns over board 2, rotate on the swivel 4 and be connected with many connecting rods 5 that turn over board 2 rotation are connected respectively, swivel board 4 removes and can pull through connecting rod 5 and turn over board 2 in order to overturn in order to control the size of air door.

Wherein, all be connected with elasticity cloth 3 between every two turns over board 2 that are close to each other to sealed space between the board 2 when turning over board 2 turns over, with the size of better control air door, fan body 10's one end be connected with turn board 4 sliding connection's restriction piece 11, can make fan body 10 and turn board 4 between the mutual restriction, prevent to turn board 4 and fan body 10 body rotation.

In order to prevent the rotating ring 7 from rotating too far to lead the rotating plate 4 to be separated from the limiting block 11, one end of the limiting block 11 far away from the fan body 10 is connected with a blocking block, guide rails matched with the rotating plate 4 are arranged on two sides of the limiting block 11, a sliding groove matched with the guide rails is formed in the rotating plate 4, and the limiting block 11 is prevented from tilting inwards to lead the limiting block 11 to not play the existing role.

The concrete structure of telescopic machanism is as shown, and the one end of thread bush 6 is connected with many telescopic columns 8, and the inner wall of swivel 7 is provided with many telescopic sleeves 9 with telescopic column 8 sliding connection, can make swivel 7 can not influence the removal of thread bush 6 when driving thread bush 6 rotation.

When the fan body 10 is started in use, when the size of the air door needs to be adjusted, the swivel 7 is rotated, the threaded sleeve 6 is driven to rotate through the telescopic mechanism, the threaded sleeve 6 is further driven to move the rotating plate 4, and when the rotating plate 4 moves, the turning plate 2 is pulled to turn through the connecting rod 5 to control the size of the air door.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (5)

1. The utility model provides a take fan of adjustable air door, includes shell cover (1), its characterized in that: one end of the inner wall of the shell cover (1) is rotationally connected with a plurality of turning plates (2) which are matched with each other, the other end of the shell cover (1) is rotationally connected with a swivel (7), every two turning plates (2) which are close to each other are connected with elastic cloth (3), the inner threads of the shell cover (1) are connected with threaded sleeves (6), one ends of the threaded sleeves (6) are rotationally connected with a rotating plate (4), connecting rods (5) are rotationally connected between the rotating plate (4) and each turning plate (2), and telescopic mechanisms are connected between the threaded sleeves (6) and the swivel (7).

2. The fan with adjustable damper according to claim 1, wherein: one end of the swivel (7) far away from the shell cover (1) is rotationally connected with a fan body (10), and one end of the fan body (10) is connected with a limiting block (11) which is in sliding connection with the swivel plate (4).

3. The fan with adjustable damper according to claim 1, wherein: the telescopic mechanism comprises telescopic columns (8) and telescopic sleeves (9), one end of each threaded sleeve (6) is connected with a plurality of telescopic columns (8), and the inner wall of each swivel (7) is provided with a plurality of telescopic sleeves (9) which are in sliding connection with the telescopic columns (8).

4. The fan with adjustable damper according to claim 2, wherein: one end of the limiting block (11) far away from the fan body (10) is connected with a blocking block.

5. The fan with adjustable damper according to claim 2, wherein: both sides of the limiting block (11) are provided with guide rails, and the rotating plate (4) is provided with sliding grooves matched with the guide rails.