CN212055177U

CN212055177U - Low-noise high-temperature-resistant axial flow fan

Info

Publication number: CN212055177U
Application number: CN202020439093.9U
Authority: CN
Inventors: 陈佩佩; 陈从贵; 侯康
Original assignee: Nanjing Tengyong Dry Heat Equipment Co ltd
Current assignee: Nanjing Tengyong Dry Heat Equipment Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-01
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to an axial fan technical field just discloses a low noise high temperature resistance axial fan, which comprises a housin, the right-hand member fixedly connected with after-poppet of casing internal surface, the middle part fixedly connected with back plate of after-poppet, the side fixedly connected with mounting panel of back plate, fixed mounting has the motor between mounting panel and the back plate, the output shaft fixedly connected with pivot of motor. This low noise high temperature resistant axial fan, cup joint solid fixed ring and deep bead through the external fixation at the pivot, utilize the motor to rotate the horizontal pole that drives and connect through solid fixed ring and rotate, and utilize No. two connecting rods between the horizontal pole to connect the swivel becket, realize that the motor rotates No. two flabellums that drive the rear end when producing axial fan and rotate, and the wind direction motor body that blows off No. two flabellums through the deep bead of slope, realize the motor cooling, make the fan body can adapt to high temperature operational environment, improve motor life.

Description

Low-noise high-temperature-resistant axial flow fan

Technical Field

The utility model relates to an axial fan technical field specifically is a low noise high temperature resistance axial fan.

Background

Axial fans are widely used, namely, air flows in the same direction as the axes of the fan blades, such as electric fans, and fans outside air conditioners are running fans in an axial flow mode, so the fans are called axial flow type, and the air flows parallel to the fan axes. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low.

The existing low-noise axial flow fan is required to be installed in a high-temperature environment to work under the requirement of an installation environment in the use process, and the fan needs to be driven by a motor, so that the temperature of the motor is increased due to high temperature, the overheating fault of the motor is caused, and the use effect is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a low noise high temperature resistant axial fan possesses the advantage of high temperature resistant environment and clearance inside dust, has solved the problem mentioned in the above-mentioned background art.

The utility model provides a following technical scheme: a low-noise high-temperature resistant axial flow fan comprises a shell, wherein the right end of the inner surface of the shell is fixedly connected with a rear bracket, the middle part of the rear bracket is fixedly connected with a rear plate, the side surface of the rear plate is fixedly connected with a mounting plate, a motor is fixedly arranged between the mounting plate and the back plate, an output shaft of the motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly sleeved with a fixed sleeve, a fixed ring and a wind shield from left to right in sequence, the outer surface of the fixing sleeve is fixedly connected with a first fan blade, the outer surface of the fixing ring is fixedly connected with a first connecting rod, the outer end of the first connecting rod is fixedly connected with a cross rod, the inner side surface of the cross rod is fixedly connected with a second connecting rod, the inner fixedly connected with swivel becket of No. two connecting rods, the surface fixedly connected with flabellum No. two of swivel becket, the bottom surface fixed mounting of casing has the base.

Preferably, the left end fixedly connected with fore-stock of casing internal surface, the middle part fixedly connected with front bezel of fore-stock, the inside of fore-stock and after-poppet is fixedly connected with guard ring No. one and guard ring No. two respectively.

Preferably, the inner side surface of the front plate is fixedly connected with a mounting sleeve, and the mounting sleeve is movably sleeved with the outer surface of the rotating shaft.

Preferably, the quantity of mounting panel is three, three the mounting panel is equidistant to be distributed on the back plate, and is three the shape of mounting panel is the arc.

Preferably, the rotating ring is movably sleeved on the outer surface of the mounting plate and is close to the right side of the mounting plate.

Preferably, the number of the cross rods is two, the top surfaces of the two cross rods are cambered surfaces, and the distance between the top surfaces of the two cross rods is equal to the inner diameter of the shell.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this low noise high temperature resistant axial fan, cup joint solid fixed ring and deep bead through the external fixation at the pivot, utilize the motor to rotate the horizontal pole that drives and connect through solid fixed ring and rotate, and utilize No. two connecting rods between the horizontal pole to connect the swivel becket, realize that the motor rotates No. two flabellums that drive the rear end when producing axial fan and rotate, and the wind direction motor body that blows off No. two flabellums through the deep bead of slope, realize the motor cooling, make the fan body can adapt to high temperature operational environment, improve motor life.

2. This low noise high temperature resistant axial fan for when the motor drives solid fixed ring and rotates, realizes the rotation of horizontal pole through a connecting rod when addding the horizontal pole of laminating on the casing internal surface, the horizontal pole along casing internal surface rotational friction, the dust of effective clearance attached to on shells inner wall improves the cleanliness factor of fan body, excellent in use effect.

Drawings

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

FIG. 2 is a schematic view of the back side of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

fig. 4 is an explosion diagram between the structural motor and the mounting plate of the present invention.

In the figure: 1. a housing; 2. a base; 3. a front bracket; 4. a front plate; 5. a first guard ring; 6. a rear bracket; 7. a back plate; 8. a second guard ring; 9. mounting a plate; 10. a motor; 11. a rotating shaft; 12. fixing a sleeve; 13. a first fan blade; 14. a fixing ring; 15. a wind deflector; 16. a first connecting rod; 17. a cross bar; 18. a second connecting rod; 19. a rotating ring; 20. a second fan blade; 21. and (7) installing a sleeve.

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. 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.

Referring to fig. 1-4, a low-noise high-temperature resistant axial flow fan comprises a casing 1, a rear support 6 is fixedly connected to the right end of the inner surface of the casing 1, a rear plate 7 is fixedly connected to the middle of the rear support 6, a mounting plate 9 is fixedly connected to the side surface of the rear plate 7, a motor 10 is fixedly mounted between the mounting plate 9 and the rear plate 7, an output shaft of the motor 10 is fixedly connected with a rotating shaft 11, a fixed sleeve 12, a fixed ring 14 and a wind shield 15 are fixedly sleeved on the outer surface of the rotating shaft 11 from left to right in sequence, a first fan blade 13 is fixedly connected to the outer surface of the fixed sleeve 12, a first connecting rod 16 is fixedly connected to the outer surface of the fixed ring 14, a cross rod 17 is fixedly connected to the outer end of the first connecting rod 16, a second connecting rod 18 is fixedly connected to the inner side surface of, the bottom surface of the shell 1 is fixedly provided with a base 2.

Wherein, the left end fixedly connected with front truck 3 of casing 1 internal surface, the middle part fixedly connected with front bezel 4 of front truck 3, front truck 3 and rear support 6's inside respectively fixedly connected with guard ring 5 and No. two guard rings 8, both ends are fully protected about casing 1 to guard ring 5 and No. two guard rings 8, avoid outside article to get into the card of taking place No. one flabellum 13 and No. two flabellums 20 disconnected.

Wherein, the medial surface fixedly connected with installation cover 21 of front bezel 4, installation cover 21 cup joints with the surface activity of pivot 11, cup joints through installation cover 21 and pivot 11 for pivot 11 drives a flabellum 13 more stable when rotating.

Wherein, the quantity of mounting panel 9 is three, and three mounting panel 9 equidistant distribution is on back plate 7, and the shape of three mounting panel 9 is the arc, and the surface of motor 10 is effectively laminated to camber mounting panel 9, guarantees that the installation of motor 10 is stable, and interval each other between the three mounting panel 9 improves the exposure area of motor 10, improves the cooling area.

Wherein, the rotating ring 19 activity cup joints on the surface of mounting panel 9, and the rotating ring 19 is close to the right side of mounting panel 9 for No. two flabellums 20 on the rotating ring 19 are close to the right side, enlarge cooling wind and motor 10 area of contact, improve the cooling effect.

Wherein, the quantity of horizontal pole 17 is two, and the top surface of two horizontal poles 17 is the cambered surface, and the distance between two horizontal pole 17 top surfaces equals casing 1's internal diameter, and casing 1 inner wall is effectively laminated to the horizontal pole 17 of cambered surface, improves relative sliding effect, improves clearance dust effect.

The working principle is as follows: starting motor 10, motor 10 drives pivot 11 and rotates, and make fixed cover 12, solid fixed ring 14 and deep bead 15 rotate, fixed cover 12 rotates and drives a flabellum 13 and rotate, produce axial flow wind, gu fixed ring 14 rotates and drives the horizontal pole 17 of being connected with connecting rod 16 and rotate, make No. two connecting rods 18 rotate, No. two connecting rods 18 rotate and make swivel ring 19 rotate, No. two flabellums 20 rotate, produce cooling wind and blow to deep bead 15, cooling wind turns back via deep bead 15 and dashes towards motor 10, the temperature of motor 10 reduces.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low noise high temperature resistant axial fan, includes casing (1), its characterized in that: the right-hand member fixedly connected with after-poppet (6) of casing (1) internal surface, the middle part fixedly connected with back plate (7) of after-poppet (6), the side fixedly connected with mounting panel (9) of back plate (7), fixedly mounted has motor (10) between mounting panel (9) and back plate (7), the output shaft fixedly connected with pivot (11) of motor (10), the surface of pivot (11) has fixedly cup jointed fixed cover (12), solid fixed ring (14) and deep bead (15) from a left side to the right side in proper order, the surface fixedly connected with flabellum (13) of fixed cover (12), the surface fixedly connected with connecting rod (16) of solid fixed ring (14), the outer end fixedly connected with horizontal pole (17) of connecting rod (16), the medial surface fixedly connected with connecting rod (18) No. two of horizontal pole (17), the inner end of the second connecting rod (18) is fixedly connected with a rotating ring (19), the outer surface of the rotating ring (19) is fixedly connected with a second fan blade (20), and a base (2) is fixedly mounted on the bottom surface of the shell (1).

2. The axial flow fan with low noise and high temperature resistance of claim 1, wherein: the left end fixedly connected with fore-stock (3) of casing (1) internal surface, the middle part fixedly connected with front bezel (4) of fore-stock (3), the inside difference fixedly connected with guard ring (5) and No. two guard ring (8) of fore-stock (3) and after-poppet (6).

3. The axial flow fan with low noise and high temperature resistance as claimed in claim 2, wherein: the inner side surface of the front plate (4) is fixedly connected with an installation sleeve (21), and the installation sleeve (21) is movably sleeved with the outer surface of the rotating shaft (11).

4. The axial flow fan with low noise and high temperature resistance of claim 1, wherein: the quantity of mounting panel (9) is three, three mounting panel (9) equidistant distribution is on back plate (7), and is three the shape of mounting panel (9) is the arc.

5. The axial flow fan with low noise and high temperature resistance as claimed in claim 4, wherein: the rotating ring (19) is movably sleeved on the outer surface of the mounting plate (9), and the rotating ring (19) is close to the right side of the mounting plate (9).

6. The axial flow fan with low noise and high temperature resistance of claim 1, wherein: the quantity of horizontal pole (17) is two, two the top surface of horizontal pole (17) is the cambered surface, two distance between horizontal pole (17) top surface equals the internal diameter of casing (1).