CN215762318U

CN215762318U - Axial flow fan with adjustable ventilation structure

Info

Publication number: CN215762318U
Application number: CN202120797330.3U
Authority: CN
Inventors: 胡宗远
Original assignee: Fujian Changyuan Ventilation Equipment Co ltd
Current assignee: Fujian Changyuan Ventilation Equipment Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-02-08
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to the technical field of axial flow fans, in particular to an axial flow fan with an adjustable ventilation structure, which comprises a rack, wherein the rack is provided with a buffer device, the buffer device is connected with a fan body, the fan body is provided with an adjusting device, the adjusting device comprises an installation sleeve, the installation sleeve is connected with a plurality of first air guide sheets and second air guide sheets, each first air guide sheet is provided with a first through groove, the first through groove is connected with a first nut sleeve, the installation sleeve is rotatably connected with a screw rod, the upper end of the screw rod is provided with a right-handed thread, the first nut sleeve is spirally connected with the right-handed thread, each second air guide sheet is provided with a second through groove, the second through groove is connected with a second nut sleeve, the lower end of the screw rod is provided with a left-handed thread, and the left-handed thread is in threaded connection with the second nut sleeve. By rotating the screw, the first nut sleeve and the second nut sleeve are far away from each other, so that the first air guide sheet and the second air guide sheet are inclined towards two sides, and then the air direction blown out from the fan body is guided towards two sides, and the ventilation range of the fan body is enlarged.

Description

Axial flow fan with adjustable ventilation structure

Technical Field

The utility model relates to the technical field of axial flow fans, in particular to an axial flow fan with an adjustable ventilation structure.

Background

Axial fans are widely used, namely, air flow in the same direction as the axis of the fan blade, such as electric fans, and fans outside air conditioners are axial fans which are called axial fans because air flows parallel to the axis of the fan, and the axial fans are generally used in occasions with higher flow requirements and lower pressure requirements, and mainly comprise fan impellers and shells.

However, the ventilation range of the existing axial flow fan is narrow, so that the ventilation effect is poor.

Based on the technical scheme, the utility model designs the axial flow fan with the adjustable ventilation structure so as to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an axial flow fan with an adjustable ventilation structure, which is used for solving the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: an axial flow fan with an adjustable ventilation structure comprises a frame, wherein a buffer device is arranged at the top of the frame, the buffer device is connected with a fan body, an air outlet of the fan body is provided with an adjusting device, the adjusting device comprises a mounting sleeve arranged at the air outlet of the fan body, the inner cavity of the mounting sleeve is rotationally connected with a plurality of first air guiding sheets and a plurality of second air guiding sheets, each first air guiding sheet is provided with a first through groove, the first through groove is connected with a first nut sleeve, the mounting sleeve is rotationally connected with a screw rod, the upper end of the screw rod is provided with a right-handed thread, the first nut sleeve is spirally connected with the right-hand thread, each second air deflector is provided with a second through groove, the second through groove is connected with a second nut sleeve, the lower end of the screw rod is provided with left-handed threads, and the left-handed threads are in threaded connection with the second nut sleeve.

Preferably, the mounting sleeve is rotatably connected with the outer wall of the air outlet of the fan body.

Preferably, the mounting sleeve is spirally connected with a locking bolt, and one end of the locking bolt is abutted to the outer wall of the air outlet of the fan body.

Preferably, the buffering device comprises a sleeve fixed at the top of the frame, a spring is arranged in an inner cavity of the sleeve, a telescopic rod is arranged at the upper end of the spring, and the upper end of the telescopic rod penetrates through the top wall of the sleeve to be connected with the fan body.

Preferably, the bottom of the frame is provided with casters.

Compared with the prior art, the utility model has the beneficial effects that: by rotating the screw, the first nut sleeve and the second nut sleeve are far away from each other, so that the first air guide sheet and the second air guide sheet are inclined towards two sides, and then the air direction blown out from the fan body is guided towards two sides, and the ventilation range of the fan body is enlarged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a side view of the blower of FIG. 1;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 6 is a schematic view of a buffer device according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 2. a buffer device; 3. a fan body; 4. an adjustment device; 5. installing a sleeve; 6. a first air guiding sheet; 7. a second air guiding sheet; 8. a first through groove; 10. a first nut sleeve; 11. a screw; 13. a second through groove; 14. a second nut sleeve; 15. locking the bolt; 16. a sleeve; 17. a spring; 18. a telescopic rod; 19. and a caster.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an axial fan with adjustable ventilation structure, including

frame

1, 1 top in the frame is provided with buffer 2, buffer 2 is connected with fan body 3, fan body 3's air outlet is provided with adjusting device 4, adjusting device 4 is including setting up the installation cover 5 at 3 air outlets of fan body, 5 inner chambers of installation cover rotate and are connected with a plurality of first guide vanes 6 and a plurality of second guide vane 7, first logical groove 8 has all been seted up to each first guide vane 6, first logical groove 8 is connected with first nut cover 10, installation cover 5 rotates and is connected with screw rod 11, screw rod 11 upper end is provided with the right-handed screw thread, first nut cover 10 and right-handed screw thread screwed connection, second through groove 13 has all been seted up to each second guide vane 7, second through groove 13 is connected with second nut cover 14, screw rod 11 lower extreme is provided with the left-handed screw thread, left-handed screw thread and second nut cover 14 threaded connection.

Specifically, the mounting sleeve 5 is rotatably connected with the outer wall of the air outlet of the fan body 3. The length directions of the first air guiding sheet 6 and the second air guiding sheet 7 can be changed from being parallel to the rack 1 to being perpendicular to the rack 1 by rotating the mounting sleeve 5, and then the transverse or longitudinal ventilation range can be adjusted according to the requirement.

Specifically, the mounting sleeve 5 is spirally connected with a locking bolt 15, and one end of the locking bolt 15 is abutted to the outer wall of the air outlet of the fan body 3. After the mounting sleeve 5 is adjusted, the mounting sleeve 5 is prevented from rotating by the locking bolt 15.

Specifically, the buffer device 2 comprises a sleeve 16 fixed at the top of the rack 1, a spring 17 is arranged in an inner cavity of the sleeve 16, an expansion rod 18 is arranged at the upper end of the spring 17, and the upper end of the expansion rod 18 penetrates through the top wall of the sleeve 16 to be connected with the fan body 3. During the operation of the fan body 3, vibration is generated, and the vibration is reduced by the buffer device 2 and transmitted to the rack 1.

Specifically, the bottom of the frame 1 is provided with a caster 19. The caster wheels 19 are arranged to facilitate the pushing of the frame 1, so that the use convenience is improved.

One specific application of this embodiment is: the pushing frame 1 moves to move the blower body 3 to a proper position. The fan body 3 is started, and the required ventilation position is ventilated through the fan body 3. When the ventilation range needs to be expanded, the screw rod 11 is rotated, the first nut sleeve 10 and the second nut sleeve 14 are away from each other, so that the first air guide sheet 6 and the second air guide sheet 7 are inclined towards two sides, the two sides of the wind direction blown out by the fan body 3 are guided, and the ventilation range of the fan body 3 is enlarged. The length directions of the first air guiding sheet 6 and the second air guiding sheet 7 can be changed from being parallel to the rack 1 to being perpendicular to the rack 1 by rotating the mounting sleeve 5, and then the transverse or longitudinal ventilation range can be adjusted according to the requirement. After the mounting sleeve 5 is adjusted, the mounting sleeve 5 is prevented from rotating by the locking bolt 15.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an axial fan with adjustable ventilation structure, including frame (1), frame (1) top is provided with buffer (2), buffer (2) are connected with fan body (3), its characterized in that: the air outlet of the fan body (3) is provided with an adjusting device (4), the adjusting device (4) comprises an installation sleeve (5) arranged at the air outlet of the fan body (3), the inner cavity of the installation sleeve (5) is rotatably connected with a plurality of first air guide sheets (6) and a plurality of second air guide sheets (7), each first air guide sheet (6) is provided with a first through groove (8), the first through groove (8) is connected with a first nut sleeve (10), the installation sleeve (5) is rotatably connected with a screw rod (11), the upper end of the screw rod (11) is provided with a right-handed thread, the first nut sleeve (10) is spirally connected with the right-handed thread, each second air guide sheet (7) is provided with a second through groove (13), the second through groove (13) is connected with a second nut sleeve (14), and the lower end of the screw rod (11) is provided with a left-handed thread, the left-handed thread is in threaded connection with the second nut sleeve (14).

2. The axial flow fan with the adjustable ventilation structure of claim 1, wherein: the mounting sleeve (5) is rotatably connected with the outer wall of the air outlet of the fan body (3).

3. The axial flow fan with the adjustable ventilation structure of claim 2, wherein: the mounting sleeve (5) is spirally connected with a locking bolt (15), and one end of the locking bolt (15) is abutted to the outer wall of the air outlet of the fan body (3).

4. The axial flow fan with the adjustable ventilation structure of claim 1, wherein: buffer (2) including fixing sleeve (16) at frame (1) top, sleeve (16) inner chamber is provided with spring (17), spring (17) upper end is provided with telescopic link (18), telescopic link (18) upper end is run through sleeve (16) roof and is connected with fan body (3).

5. The axial flow fan with the adjustable ventilation structure of claim 1, wherein: the bottom of the frame (1) is provided with a caster (19).