CN219262739U

CN219262739U - DC fan

Info

Publication number: CN219262739U
Application number: CN202320437499.7U
Authority: CN
Inventors: 许标; 钟美诚
Original assignee: Shenzhen Xingwanda Electronic Technology Co ltd
Current assignee: Shenzhen Xingwanda Electronic Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-06-27
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a direct current fan, which belongs to the technical field of direct current fans and comprises a fan shell and an air inlet, wherein the air inlet is formed in the outer surface of the fan shell, the outer surface of the fan shell is communicated with an air outlet pipe, a driving motor is fixedly arranged on the outer surface of the fan shell, a transmission rod is arranged at the output end of the driving motor, the transmission rod penetrates through the outer surface of the fan shell and extends into the fan shell, fan blades are fixedly arranged on the outer surface of the transmission rod, and an installation seat is fixedly arranged on the outer surface of the fan shell. Through fan shell, air intake, play tuber pipe, driving motor, transfer line, flabellum, mount pad, fixing base, installing frame, stopper, dead lever, dust screen, fixed plate and fixing bolt that set up, realized carrying out dustproof and protection's function to direct current fan, prevent that direct current fan from leading to inside piling up dust or impurity because of long-time the use, avoid influencing direct current fan's normal operating, promoted direct current fan's practicality.

Description

DC fan

Technical Field

The utility model belongs to the technical field of direct current fans, and particularly relates to a direct current fan.

Background

The direct current fan is one of various fans, has no great difference with other fans, and drives the fan blades to rotate through the electric drive motor so as to generate wind power, and most direct current fans in the prior art directly extract air from the external environment so as to form wind power, but most direct current fans do not prevent dust and protect the air inlets of the fans, so that dust or impurities can be accumulated in the direct current fans after the direct current fans are used for a long time, the normal operation of the direct current fans is affected, and the practicability of the direct current fans is reduced.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the direct current fan comprises a fan shell and an air inlet, wherein the air inlet is formed in the outer surface of the fan shell, an air outlet pipe is communicated with the outer surface of the fan shell, a driving motor is fixedly arranged on the outer surface of the fan shell, a transmission rod is arranged at the output end of the driving motor, the transmission rod penetrates through the outer surface of the fan shell and extends to the inside of the fan shell, fan blades are fixedly arranged on the outer surface of the transmission rod, a mounting seat is fixedly arranged on the outer surface of the fan shell, a fixing seat is arranged on the outer surface of the fan shell, a mounting frame is arranged at the bottom of the fixing seat, a limiting block is arranged on the outer surface of the mounting frame, a fixing rod is arranged on the inner wall of the mounting frame, a dust screen is sleeved on the outer surface of the fixing rod, a fixing plate is arranged on the outer surface of the fixing seat, and one side of the fixing plate is rotationally connected with a fixing bolt.

As a further aspect of the utility model: the inner wall of mount pad has seted up the spacing groove, stopper and the inner wall sliding connection of spacing groove.

As a further aspect of the utility model: the fixing bolt penetrates through one side of the fixing plate and extends to the other side of the fixing plate, and a fixing hole spliced with the fixing bolt is formed in the outer surface of the fan shell.

As a further aspect of the utility model: the bottom of fan housing is provided with the steering subassembly, the steering subassembly includes bull stick, changes cover, mounting panel, fixture block, inserted bar, extension spring and backup pad, the bull stick is adorned in the bottom of fan housing, it establishes the outward appearance at the bull stick to change the cover, the mounting panel is adorned admittedly in the bottom of changeing the cover, the fixture block is adorned admittedly in the bottom of bull stick, inserted bar sliding connection is at the surface of changeing the cover, the inserted bar runs through the outer wall of changeing the cover and extends to the inside of changeing the cover, the extension spring cover is established at the surface of inserted bar, the backup pad is adorned admittedly at the lower surface of play tuber pipe.

As a further aspect of the utility model: the outer surface of the rotating rod is provided with a jack which is spliced with the inserting rod, one end of the tension spring is fixedly connected with the rotating sleeve, and the other end of the tension spring is fixedly connected with the inserting rod.

As a further aspect of the utility model: the upper surface of mounting panel is equipped with the slide rail admittedly, backup pad and the inner wall sliding connection of slide rail.

The beneficial effects are that:

through fan shell, air intake, play tuber pipe, driving motor, transfer line, flabellum, mount pad, fixing base, installing frame, stopper, dead lever, dust screen, fixed plate and fixing bolt that set up, realized carrying out dustproof and protection's function to direct current fan, prevent that direct current fan from leading to inside piling up dust or impurity because of long-time the use, avoid influencing direct current fan's normal operating, promoted direct current fan's practicality.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of a portion of the structure of the present utility model;

FIG. 3 is a rear view of FIG. 2 of the present utility model;

fig. 4 is a partial structural cross-sectional view of the present utility model.

In the figure: 1. a blower housing; 2. an air inlet; 3. an air outlet pipe; 4. a driving motor; 5. a transmission rod; 6. a fan blade; 7. a mounting base; 8. a fixing seat; 9. a mounting frame; 10. a limiting block; 11. a fixed rod; 12. a dust screen; 13. a fixing plate; 14. a fixing bolt; 15. a rotating rod; 16. a rotating sleeve; 17. a mounting plate; 18. a clamping block; 19. a rod; 20. a tension spring; 21. and a support plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 3, the direct current fan comprises a fan shell 1 and an air inlet 2, the air inlet 2 is formed in the outer surface of the fan shell 1, an air outlet pipe 3 is communicated with the outer surface of the fan shell 1, a driving motor 4 is fixedly arranged on the outer surface of the fan shell 1, a transmission rod 5 is arranged at the output end of the driving motor 4, the transmission rod 5 penetrates through the outer surface of the fan shell 1 and extends to the inside of the fan shell 1, fan blades 6 are fixedly arranged on the outer surface of the transmission rod 5, a mounting seat 7 is fixedly arranged on the outer surface of the fan shell 1, a fixing seat 8 is arranged on the outer surface of the fan shell 1, a mounting frame 9 is arranged at the bottom of the fixing seat 8, a limiting block 10 is arranged on the outer surface of the mounting frame 9, a limiting groove is formed in the inner wall of the mounting seat 7, the limiting block 10 is in sliding connection with the inner wall of the limiting groove, a fixing rod 11 is arranged on the inner wall of the mounting frame 9, a dust screen 12 is sleeved on the outer surface of the fixing rod 11, a fixing plate 13 is arranged on the outer surface of the fixing seat 8, one side of the fixing plate 13 is rotationally connected with a fixing bolt 14, the fixing bolt 14 penetrates one side of the fixing plate 13 and extends to the other side of the fixing plate 13, and the fixing bolt 1 is provided with a fixing hole which is spliced with the fixing bolt 14.

Through the fan housing 1, the air intake 2, go out tuber pipe 3, driving motor 4, transfer line 5, flabellum 6, mount pad 7, fixing base 8, installing frame 9, stopper 10, dead lever 11, dust screen 12, fixed plate 13 and fixing bolt 14 that set up, realized carrying out dustproof and protection's function to direct current fan, prevent that direct current fan from leading to inside piling up dust or impurity because of using for a long time, avoid influencing direct current fan's normal operating, promoted direct current fan's practicality.

Specifically, as shown in fig. 4, the bottom end of the fan housing 1 is provided with a direction adjusting component, the direction adjusting component comprises a rotating rod 15, a rotating sleeve 16, a mounting plate 17, a clamping block 18, an inserting rod 19, a tension spring 20 and a supporting plate 21, the rotating rod 15 is arranged at the bottom end of the fan housing 1, the rotating sleeve 16 is sleeved on the outer surface of the rotating rod 15, the mounting plate 17 is fixedly arranged at the bottom of the rotating sleeve 16, the clamping block 18 is fixedly arranged at the bottom end of the rotating rod 15, the inserting rod 19 is slidably connected at the outer surface of the rotating sleeve 16, the inserting rod 19 penetrates through the outer wall of the rotating sleeve 16 and extends to the inside of the rotating sleeve 16, the tension spring 20 is sleeved on the outer surface of the inserting rod 19, an inserting hole which is spliced with the inserting rod 19 is formed in the outer surface of the rotating rod 15, one end of the tension spring 20 is fixedly connected with the rotating sleeve 16, the other end of the tension spring 20 is fixedly connected with the inserting rod 19, the supporting plate 21 is fixedly arranged at the lower surface of the air outlet pipe 3, a slide rail is fixedly arranged on the upper surface of the mounting plate 17, and the supporting plate 21 is slidably connected with the inner wall of the slide rail.

Through bull stick 15, change cover 16, mounting panel 17, fixture block 18, inserted bar 19, extension spring 20 and backup pad 21 that set up, improved the original design mode of direct current fan, realized after fixing the direct current fan, can convenient and fast carry out the function of adjusting to the direction of blowing of direct current fan to make further promoted the practicality of direct current fan on original basis.

Working principle: when using direct current fan, place direct current fan on the mounting plane earlier, then use the bolt with mounting panel 17 fixed mounting to the mounting plane on, then establish dust screen 12 cover to dead lever 11 on, make dust screen 12 be connected with mounting frame 9, then be close to fan housing 1 with mounting frame 9 through fixing base 8, make mounting frame 9 aim at mount pad 7, stopper 10 aim at the spacing groove, remove fixing base 8 afterwards, make mounting frame 9 slide to the inside of mount pad 7, after the inside of mount pad 7 is slided to mounting frame 9, the inside of spacing groove is slided to stopper 10, fixing base 8 and mount pad 7 mutual contact, rotate fixing bolt 14 again, make fixing bolt 14 rotate into the inside of fixed orifices, fix fixing base 8 through fixed plate 13, thereby fix dust screen 12, when driving motor 4 moves, driving motor 4 drives the inside rotation of flabellum 6 at fan housing 1 through transfer line 5, make the air get into fan housing 1's inside from air intake 2, again from air outlet 3, adjust the inside of direct current fan 19, the draw-in bar 19 is followed to the inside of jack, make the inside of jack 19 rotate at the stretch-out of jack, the stretch-draw-out lever 19, the inside of jack 20 is rotated, the stretch-out of the inside of jack 20, the stretch-draw-out of the fan is adjusted, the inside of jack-out of the jack-box is rotated, the function is adjusted, the inside of jack-draw-out of jack 19, the jack-box is rotated, and the inside pull-down function is adjusted, the jack-pull 20, when the jack-pull-down, and the jack-down direction-pull-drum is adjusted.

Claims

1. The direct current fan comprises a fan housing (1) and an air inlet (2), and is characterized in that the air inlet (2) is formed in the outer surface of the fan housing (1), an air outlet pipe (3) is arranged on the outer surface of the fan housing (1) in a communicating mode, a driving motor (4) is fixedly arranged on the outer surface of the fan housing (1), a transmission rod (5) is arranged at the output end of the driving motor (4), the transmission rod (5) penetrates through the outer surface of the fan housing (1) and extends to the inside of the fan housing (1), a fan blade (6) is fixedly arranged on the outer surface of the transmission rod (5), a mounting seat (7) is fixedly arranged on the outer surface of the fan housing (1), a fixing seat (8) is arranged on the outer surface of the fan housing (1), a mounting frame (9) is arranged at the bottom of the fixing seat (8), a limiting block (10) is arranged on the outer surface of the mounting frame (9), a fixing rod (11) is arranged on the inner wall of the mounting frame (9), a dust-proof net (12) is sleeved on the outer surface of the fixing rod (11), a fixing plate (13) is arranged on the outer surface of the fixing plate (8), and one side of the fixing plate (13) is fixedly connected with a bolt (14).

2. The direct current fan according to claim 1, wherein the inner wall of the mounting seat (7) is provided with a limit groove, and the limit block (10) is slidably connected with the inner wall of the limit groove.

3. Direct current fan according to claim 1, characterized in that the fixing bolt (14) penetrates one side of the fixing plate (13) and extends to the other side of the fixing plate (13), and the outer surface of the fan housing (1) is provided with a fixing hole which is spliced with the fixing bolt (14).

4. The direct current fan according to claim 1, wherein the bottom of the fan housing (1) is provided with a steering assembly, the steering assembly comprises a rotating rod (15), a rotating sleeve (16), a mounting plate (17), a clamping block (18), a inserting rod (19), a tension spring (20) and a supporting plate (21), the rotating rod (15) is arranged at the bottom of the fan housing (1), the rotating sleeve (16) is sleeved on the outer surface of the rotating rod (15), the mounting plate (17) is fixedly arranged at the bottom of the rotating sleeve (16), the clamping block (18) is fixedly arranged at the bottom of the rotating rod (15), the inserting rod (19) is slidably connected to the outer surface of the rotating sleeve (16), the inserting rod (19) penetrates through the outer wall of the rotating sleeve (16) and extends to the inside of the rotating sleeve (16), the tension spring (20) is sleeved on the outer surface of the inserting rod (19), and the supporting plate (21) is fixedly arranged on the lower surface of the air outlet pipe (3).

5. The direct current fan according to claim 4, wherein the outer surface of the rotating rod (15) is provided with a jack which is inserted into the inserting rod (19), one end of the tension spring (20) is fixedly connected with the rotating sleeve (16), and the other end of the tension spring (20) is fixedly connected with the inserting rod (19).

6. The direct current fan according to claim 4, wherein the upper surface of the mounting plate (17) is fixedly provided with a sliding rail, and the supporting plate (21) is in sliding connection with the inner wall of the sliding rail.