CN215370308U

CN215370308U - Adjustable fan

Info

Publication number: CN215370308U
Application number: CN202121397721.2U
Authority: CN
Inventors: 王源富
Original assignee: Wenling Feisheng Electromechanical Equipment Co ltd
Current assignee: Wenling Feisheng Electromechanical Equipment Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-31
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of fans, in particular to an adjustable fan which provides a ratchet wheel pawl device, is convenient to prevent rotation, improves the use reliability, is additionally provided with a gear device, is convenient to be matched with a slide rod to lift, improves the practicability and reduces the limitation, and comprises a bottom plate, wherein the top end of the bottom plate is connected with a box body, the inner lower side wall of the box body is provided with a slide plate, the front end of the slide rod is longitudinally and uniformly provided with a plurality of grooves, the front side of the slide rod is provided with a first rotating rod, the outer side of the first rotating rod is fixedly connected with a gear and a turbine, the gear is meshed with the plurality of grooves, the lower part of the first rotating rod is provided with a worm, the worm is meshed with the turbine, the front end of the worm is connected with a third rotating rod, the front end of the third rotating rod is connected with a rocker, the rocker is used for inducing the bottom end of the box body and a limiting plate by arranging an inductor, so as to prevent internal parts from being excessively damaged by force during adjustment, the service life of internal parts is reduced, and the use reliability is improved.

Description

Adjustable fan

Technical Field

The utility model relates to the technical field of fans, in particular to an adjustable fan.

Background

As is well known, a fan refers to a device for cooling by generating wind in hot weather. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling.

Current fan is desk fan and floor fan respectively, and the height of desk fan is lower, is not convenient for blow to the overshoot, and the height of console mode is too high, is not convenient for blow to low department, and the common shortcoming of two kinds of fans is for being not convenient for carry out the regulation of height, and the limitation is higher, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the ratchet wheel and pawl device, which is an adjustable fan with the advantages that the rotation is prevented conveniently, the use reliability is improved, the gear device is added, the lifting is convenient to match with a slide rod, the practicability is improved, and the limitation is reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable fan comprises a bottom plate, wherein a box body is fixedly connected to the top end of the bottom plate, a sliding plate is contacted with the inner lower side wall of the box body, the outer side of the sliding plate is in sliding fit with the inner side wall of the box body, a through hole which penetrates through the sliding plate from top to bottom is formed in the sliding plate, an inductor is installed in the through hole, a sliding rod is fixedly connected to the top end of the sliding plate, a plurality of grooves are uniformly and longitudinally formed in the front end of the sliding rod, the rear end of the sliding rod is in contact with the inner rear side wall of the box body, a limiting plate is arranged at each of the left end and the right end of the sliding rod in sliding fit, one end, far away from the sliding rod, of each limiting plate is fixedly connected with the left side wall and the right side wall of the box body respectively, a first rotating rod is arranged on the front side of the sliding rod, the right end of the first rotating rod is rotatably connected with the inner right side wall of the box body, a working box is fixedly connected with a ratchet wheel through the left end of the box body, a fixed plate is arranged above the ratchet wheel, the right end of the fixed plate is fixedly connected with the left end of the box body, a tension spring is fixedly connected with the bottom end of the tension spring, a pawl is fixedly connected with the bottom end of the tension spring, a rotating hole which penetrates through the left and right is transversely arranged on the pawl and is positioned behind the spring, a second rotating rod is rotatably connected inside the rotating hole, the right end of the second rotating rod is fixedly connected with the left end of the box body, the pawl is matched with the ratchet wheel, a gear and a turbine are sequentially and fixedly connected to the outer side of the first rotating rod from left to right, the gear is meshed with a plurality of grooves, a worm is arranged below the first rotating rod and is meshed with the turbine, the rear end of the worm is rotatably connected with the inner rear side wall of the box body, a third rotating rod is fixedly connected with the front end of the worm, a rocker is fixedly connected with the front end of the third rotating rod, and the top end of the sliding rod penetrates through the top end of the box body, the top fixedly connected with connecting rod of mounting panel, the top fixedly connected with fan body of connecting rod.

Preferably, the front end of the working box is provided with a spacing groove, and the front end of the pawl penetrates through the spacing groove and extends to the outside of the working box.

Preferably, the outer side of the pawl positioned outside the working box is sleeved with an anti-slip sleeve.

Preferably, the four corners of the bottom end of the bottom plate are fixedly connected with soft pads.

Preferably, the lower side of the box body is uniformly and fixedly connected with four supporting blocks, and the bottom ends of the four supporting blocks are fixedly connected with the top end of the bottom plate.

Preferably, the front end of the box body is fixedly connected with a temperature display and an alarm lamp from left to right in sequence.

(III) advantageous effects

Compared with the prior art, the utility model provides an adjustable fan, which has the following beneficial effects:

this adjustable fan, through setting up the inductor, make its bottom and the limiting plate to the box respond to, excessively damage internals hard when preventing to adjust, reduce internals's life, improve the reliability in utilization, through setting up the ratchet pawl, effectually prevent the gyration that the slide bar atress leads to first pivot, improve the practicality, through setting up tension spring, make pawl and ratchet be in the state of looks adaptation all the time, improve and make the reliability, through setting up the supporting shoe, make it play the effect of support to the box, play fixed firm effect simultaneously, the service life of the device is prolonged.

Drawings

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

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

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic diagram of the right-view structure of the present invention;

fig. 5 is a left side view of the working box, the ratchet and the pawl of the utility model.

In the figure: 1. a base plate; 2. a box body; 3. a slide plate; 4. an inductor; 5. a slide bar; 6. a groove; 7. a limiting plate; 8. a first rotating lever; 9. a work box; 10. a ratchet wheel; 11. a fixing plate; 12. a tension spring; 13. a pawl; 14. an alarm lamp; 15. a second rotating rod; 16. a gear; 17. a turbine; 18. a worm; 19. a third rotating rod; 20. a rocker; 21. mounting a plate; 22. a connecting rod; 23. a fan body; 24. a position avoiding groove; 25. an anti-slip sleeve; 26. a soft cushion; 27. a support block; 28. and a temperature display.

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.

Examples

Referring to fig. 1-5, an adjustable fan comprises a bottom plate 1, a box 2 is fixedly connected to the top end of the bottom plate 1, a sliding plate 3 is in contact with the inner lower side wall of the box 2, the outer side of the sliding plate 3 is in sliding fit with the inner side wall of the box 2, a through hole penetrating through the sliding plate 3 is formed, an inductor 4 is installed inside the through hole, the inductor 4 is arranged to induce the bottom end of the box 2 and a limiting plate 7, so as to prevent internal parts from being excessively damaged by force during adjustment and reduce the service life of the internal parts, a sliding rod 5 is fixedly connected to the top end of the sliding plate 3, a plurality of grooves 6 are uniformly arranged at the front end of the sliding rod 5 in the longitudinal direction, the rear end of the sliding rod 5 is in contact with the inner rear side wall of the box 2, a limiting plate 7 is in sliding fit with the left end and the right end of the sliding rod 5, one end of the two limiting plates 7 far away from the sliding rod 5 is fixedly connected with the left side wall and the right side wall of the inside of the box 2 respectively, the front side of the sliding rod 5 is provided with a first rotating rod 8, the right end of the first rotating rod 8 is rotatably connected with the inner right side wall of the box body 2, the left end of the box body 2 is fixedly connected with a working box 9, the left end of the first rotating rod 8 penetrates through the left end of the box body 2 and extends to the inside of the working box 9 to be fixedly connected with a ratchet 10, a fixing plate 11 is arranged above the ratchet 10, the right end of the fixing plate 11 is fixedly connected with the left end of the box body 2, the bottom end of the fixing plate 11 is fixedly connected with a tension spring 12, the bottom end of the tension spring 12 is fixedly connected with a pawl 13, a rotating hole which penetrates left and right is transversely arranged on the pawl 13 and is positioned behind the spring, the inside of the rotating hole is rotatably connected with a second rotating rod 15, the right end of the second rotating rod 15 is fixedly connected with the left end of the box body 2, the pawl 13 is matched with the ratchet 10 to prevent the first rotating rod 8 from rotating, the outer side of the first rotating rod 8 is fixedly connected with a gear 16 and a turbine 17 from left to right, the gear 16 is meshed with the grooves 6, the gear 16 rotates to drive the sliding rod 5 to ascend, the worm 18 is arranged below the first rotating rod 8, the worm 18 is meshed with the worm wheel 17, the worm wheel 17 is driven to rotate and meanwhile the worm wheel 17 is prevented from rotating through the transverse stress of the worm 18, the rear end of the worm 18 is rotatably connected with the inner rear side wall of the box body 2, the front end of the worm 18 is fixedly connected with the third rotating rod 19, the front end of the third rotating rod 19 penetrates through the front end of the box body 2 and is fixedly connected with the rocker 20, the top end of the sliding rod 5 penetrates through the top end of the box body 2 and is fixedly connected with the mounting plate 21, the top end of the mounting plate 21 is fixedly connected with the connecting rod 22, and the top end of the connecting rod 22 is fixedly connected with the fan body 23.

It should also be noted that the front end of work box 9 is provided with keeps away a groove 24, the front end of pawl 13 passes and keeps away a groove 24 and extends to the outside of work box 9, the outside cover that is located the outside pawl 13 of work box 9 outside is equipped with anti-skidding cover 25, push down the front end of pawl 13 through anti-skidding cover 25, make pawl 13 break away from ratchet 10, the equal fixedly connected with cushion 26 in four corners position of the bottom of bottom plate 1, four supporting shoes 27 of the even fixedly connected with of downside of box 2, the bottom of four supporting shoes 27 and the top fixed connection of bottom plate 1, make it play the effect that supports to box 2, play fixed firm effect simultaneously, the front end of box 2 is by left to right fixedly connected with temperature display 28 and alarm lamp 14 in proper order, observe indoor temperature through temperature display 28, through setting up alarm lamp 14, make inductor 4 respond to and report to the police through alarm lamp 14.

In summary, the working principle and the working process of the adjustable fan are that when the adjustable fan is used, the device is moved to a required position, the power is switched on, the gear 16 is matched with the groove 6 to drive the sliding rod 5 to ascend by rotating the rocker 20, the rotation is stopped when the adjustable fan is adjusted to the required position, the fan body 23 is started to blow air, when the height of the adjustable fan needs to be adjusted to be low, the front end of the pawl 13 is pressed down through the anti-skidding sleeve 25, the pawl 13 is separated from the ratchet 10, then the rocker 20 is reversed to enable the sliding rod 5 to descend, and after the adjustable fan is adjusted to the required height, the anti-skidding sleeve 25 and the rocker 20 are loosened.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable fan comprising a base plate (1), characterized in that: the top end of the bottom plate (1) is fixedly connected with a box body (2), the inner lower side wall of the box body (2) is contacted with a sliding plate (3), the outer side of the sliding plate (3) is in sliding fit with the inner side wall of the box body (2), the sliding plate (3) is provided with a through hole which penetrates through the sliding plate from top to bottom, an inductor (4) is arranged inside the through hole, the top end of the sliding plate (3) is fixedly connected with a sliding rod (5), the front end of the sliding rod (5) is longitudinally and uniformly provided with a plurality of grooves (6), the rear end of the sliding rod (5) is in contact with the inner rear side wall of the box body (2), the left end and the right end of the sliding rod (5) are respectively in sliding fit with a limiting plate (7), one ends of the two limiting plates (7) far away from the sliding rod (5) are fixedly connected with the left side wall and the right side wall of the inside of the box body (2), the front side of the sliding rod (5) is provided with a first rotating rod (8), and the right end of the first rotating rod (8) is rotatably connected with the inner right side wall of the box body (2), the left end of the box body (2) is fixedly connected with a working box (9), the left end of a first rotating rod (8) penetrates through the left end of the box body (2) and extends to a ratchet wheel (10) fixedly connected inside the working box (9), a fixing plate (11) is arranged above the ratchet wheel (10), the right end of the fixing plate (11) is fixedly connected with the left end of the box body (2), a tension spring (12) is fixedly connected with the bottom end of the fixing plate (11), a pawl (13) is fixedly connected with the bottom end of the tension spring (12), a rotating hole which penetrates left and right is transversely arranged on the pawl (13), the rotating hole is positioned behind the spring, a second rotating rod (15) is rotatably connected inside the rotating hole, the right end of the second rotating rod (15) is fixedly connected with the left end of the box body (2), the pawl (13) is matched with the ratchet wheel (10), a gear (16) and a turbine (17) are fixedly connected on the outer side of the first rotating rod (8) from left to right in sequence, gear (16) and a plurality of recess (6) mesh mutually, the below of first bull stick (8) is provided with worm (18), and worm (18) mesh mutually with turbine (17), and the rear end of worm (18) is rotated with the interior back lateral wall of box (2) and is connected, and the front end fixedly connected with third bull stick (19) of worm (18), the front end fixedly connected with rocker (20) of box (2) are passed to the front end of third bull stick (19), the top fixedly connected with mounting panel (21) of box (2) are passed on the top of slide bar (5), the top fixedly connected with connecting rod (22) of mounting panel (21), the top fixedly connected with fan body (23) of connecting rod (22).

2. An adjustable fan as defined in claim 1, wherein: the front end of the working box (9) is provided with a spacing groove (24), and the front end of the pawl (13) penetrates through the spacing groove (24) and extends to the outside of the working box (9).

3. An adjustable fan as claimed in claim 2, wherein: an anti-skidding sleeve (25) is sleeved on the outer side of the pawl (13) positioned outside the working box (9).

4. An adjustable fan as claimed in claim 3, wherein: four corners of the bottom end of the bottom plate (1) are fixedly connected with soft pads (26).

5. An adjustable fan as defined in claim 4, wherein: the lower side of the box body (2) is uniformly and fixedly connected with four supporting blocks (27), and the bottom ends of the four supporting blocks (27) are fixedly connected with the top end of the bottom plate (1).

6. An adjustable fan as defined in claim 5, wherein: the front end of the box body (2) is fixedly connected with a temperature display (28) and an alarm lamp (14) from left to right in sequence.