CN219888297U

CN219888297U - Height-adjustable fan

Info

Publication number: CN219888297U
Application number: CN202320878277.9U
Authority: CN
Inventors: 岑露明
Original assignee: Ningbo Wan'ai Appliance Co ltd
Current assignee: Ningbo Wan'ai Appliance Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-10-24
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a height-adjustable fan which comprises a base, a telescopic frame and a fan mechanism, wherein the base is fixedly connected with the telescopic frame, a telescopic column is arranged on the telescopic frame, a first through hole and a second through hole are formed in the telescopic frame, one end of the telescopic column penetrates through the first through hole and is in sliding connection with the second through hole, and the fan mechanism is fixedly connected with the telescopic column. The utility model aims to provide a height-adjustable fan, which is characterized in that a telescopic bracket is connected with a telescopic column in a sliding way, so that a user can slide the telescopic column to adjust the height of the fan, the structure is simple, the operation of the user is convenient, and the convenience in use of the fan is improved.

Description

Height-adjustable fan

Technical Field

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

Background

The electric fan is also called fan or fan, which is a household appliance for accelerating air circulation by using motor to drive fan blade to rotate, and is mainly used for cooling and relieving summer heat and circulating air. The existing household fans are floor fans or ceiling fans, the heights of the most of the household fans are fixed, the heights of the fans cannot be changed at will according to wish, the air outlet heights of the household fans cannot be conveniently adapted to the respective demands of different people, or the household fans are troublesome in height adjustment and are not easy to operate.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a fan with adjustable height, which solves the problem that the fan in the prior art cannot adjust the height.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a height-adjustable fan, includes base, expansion bracket and fan mechanism, the base with expansion bracket fixed connection, be provided with the telescopic column on the expansion bracket, first through-hole and second through-hole have been seted up in the expansion bracket, the one end of telescopic column pass first through-hole and with second through-hole sliding connection, fan mechanism with telescopic column fixed connection.

Compared with the prior art, the height-adjustable fan has the following beneficial effects:

during practical application, through expansion bracket and telescopic column sliding connection, the slip that makes the high accessible telescopic column of fan mechanism changes, so set up the step that has reduced height-adjusting makes its process simpler, has improved user's convenience of use.

Preferably, a limiting convex ring is arranged on the telescopic column, and the limiting convex ring is matched with the second through hole.

Preferably, a third through hole is formed in the limiting convex ring, a spring column is fixedly arranged in the third through hole, and a limiting groove matched with the spring column is formed in the second through hole.

The beneficial effects are that: through setting up spacing recess and spring post matched with, thereby can be blocked by spacing recess when making the telescopic column upwards slide the top of expansion bracket and play fixed effect, when the user need slide telescopic column downwardly, only need press telescopic column down hard can realize canceling fixedly, so set up simple structure, convenience of customers operation.

Preferably, the base comprises a tripod and a fixing seat, the fixing seat is fixedly connected with the telescopic frame, the tripod is rotatably installed at the bottom of the fixing seat, an adjusting knob is arranged on the fixing seat, and the adjusting knob is rotatably connected with the fixing seat.

The beneficial effects are that: through setting up the tripod and rotating the connection with the fixing base, make the base fixed firm difficult rocking more, adjust knob can inject the turned angle of tripod.

Preferably, a friction strip is fixedly arranged on the adjusting knob.

The beneficial effects are that: through setting up the friction strip, increase adjust knob's frictional force and make things convenient for the rotation.

Preferably, the fan mechanism comprises a motor, a transmission shaft, fan blades and a fixing knob, wherein the motor is fixedly connected with the telescopic column, the output end of the motor is rotatably connected with one end of the transmission shaft, the other end of the transmission shaft is connected with the fan blades, and the fixing knob is in screw connection with the transmission shaft.

Preferably, the fan blade is provided with a first through groove and a second groove, the transmission shaft is provided with a first protruding block, and the first protruding block is matched with the first through groove and the second groove.

The beneficial effects are that: through setting up first lug and first logical groove and second recess and cooperate, make fan blade more convenient when the installation, the user can dismantle by oneself and wash.

Drawings

FIG. 1 is a schematic diagram of a height-adjustable fan according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a portion of a fan according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a schematic view of a fan mechanism and a telescopic rod according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a base and a telescopic frame according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a fan blade according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the fan mechanism comprises a base 1, a telescopic frame 2, a fan mechanism 3, a telescopic column 4, a first through hole 5, a second through hole 6, a limiting convex ring 7, a third through hole 8, a spring column 9, a limiting groove 10, a triangular bracket 11, a fixed seat 12, an adjusting knob 13, a friction strip 14, a motor 15, a transmission shaft 16, a fan blade 17, a fixed knob 18, a first through groove 19, a second groove 20 and a first lug 21.

As shown in fig. 1-2: this embodiment shows a height-adjustable fan, including base 1, expansion bracket 2 and fan mechanism 3, base 1 and expansion bracket 2 fixed connection are provided with telescopic column 4 on the expansion bracket 2, have seted up first through-hole 5 and second through-hole 6 in the expansion bracket 2, and the one end of telescopic column 4 passes first through-hole 5 and with 6 sliding connection of second through-hole, fan mechanism 3 and telescopic column 4 fixed connection.

Specifically, when the user needs to adjust the height of fan, only need slide telescopic column 4 can realize adjusting, can fix when upwards sliding to extreme position and can not continue the slip telescopic column 4, and the user adjusts easy operation by oneself, facilitates the use.

As shown in fig. 2-3: the telescopic column 4 of the embodiment is provided with a limiting convex ring 7, and the limiting convex ring 7 is matched with the second through hole 6.

As shown in fig. 2-3, the limiting convex ring 7 of the present embodiment is provided with a third through hole 8, a spring column 9 is fixedly arranged in the third through hole 8, and the second through hole 6 is provided with a limiting groove 10 matched with the spring column 9.

Specifically, through setting up spacing bulge loop 7 and second through-hole 6 to cooperate, make telescopic column 4 can slide from top to bottom in telescopic frame 2 inside, when telescopic column 4 upwards slides spacing recess 10, spring column 9 that sets up in the third through-hole 8 can pop out, makes telescopic column 4 fix.

As shown in fig. 2 and 5: the base 1 of this embodiment includes a tripod 11 and a fixed seat 12, the fixed seat 12 is fixedly connected with the expansion bracket 2, the tripod 11 is rotatably installed at the bottom of the fixed seat 12, an adjusting knob 13 is arranged on the fixed seat 12, and the adjusting knob 13 is rotatably connected with the fixed seat 12.

Specifically, through setting up three tripod 11 in the bottom of fixing base 12, make the fan more firm when placing on ground, be difficult for empting, the rotation angle of adjustable tripod 11 of adjust knob 13.

As shown in fig. 5: the friction strip 14 is fixedly arranged on the adjusting knob 13 of the embodiment.

Specifically, a plurality of friction strips 14 are fixed on the adjusting knob 13, so that a user can save more labor when rotating the adjusting knob 13.

As shown in fig. 4 and 6: the fan mechanism 3 of this embodiment includes a motor 15, a transmission shaft 16, a fan blade 17 and a fixing knob 18, the motor 15 is fixedly connected with the telescopic column 4, an output end of the motor 15 is rotatably connected with one end of the transmission shaft 16, the other end of the transmission shaft 16 is connected with the fan blade 17, and the fixing knob 18 is in screw connection with the transmission shaft 16.

As shown in fig. 4 and 6: the fan blade 17 of this embodiment is provided with a first through groove 19 and a second groove 20, the transmission shaft 16 is provided with a first protruding block 21, and the first protruding block 21 is matched with the first through groove 19 and the second groove 20.

Specifically, through setting up first lug 21 and first logical groove 19 and second recess 20 to cooperate, make transmission shaft 16 pass first logical groove 19 on the fan blade 17, rotatory 90 degrees make first lug 21 peg graft in second recess 20, can accomplish the fixed of fan blade 17, so set up convenient user's installation and dismantlement, fixed knob 18 is fixed and can prevent that fan blade 17 from sliding when rotatory on transmission shaft 16.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. A height-adjustable fan, characterized by: including base (1), expansion bracket (2) and fan mechanism (3), base (1) with expansion bracket (2) fixed connection, be provided with telescopic column (4) on expansion bracket (2), first through-hole (5) and second through-hole (6) have been seted up in expansion bracket (2), the one end of telescopic column (4) passes first through-hole (5) and with second through-hole (6) sliding connection, fan mechanism (3) with telescopic column (4) fixed connection.

2. A height adjustable fan as set forth in claim 1 wherein: the telescopic column (4) is provided with a limiting convex ring (7), and the limiting convex ring (7) is matched with the second through hole (6).

3. A height adjustable fan as set forth in claim 2 wherein: the limiting convex ring (7) is provided with a third through hole (8), a spring column (9) is fixedly arranged in the third through hole (8), and the second through hole (6) is provided with a limiting groove (10) matched with the spring column (9).

4. A height adjustable fan as set forth in claim 1 wherein: the base (1) comprises a triangular bracket (11) and a fixed seat (12), the fixed seat (12) is fixedly connected with the telescopic bracket (2), the triangular bracket (11) is rotatably arranged at the bottom of the fixed seat (12), an adjusting knob (13) is arranged on the fixed seat (12), and the adjusting knob (13) is rotatably connected with the fixed seat (12).

5. A height adjustable fan as set forth in claim 4 wherein: the friction strip (14) is fixedly arranged on the adjusting knob (13).

6. A height adjustable fan as set forth in claim 5 wherein: the fan mechanism (3) comprises a motor (15), a transmission shaft (16), fan blades (17) and a fixing knob (18), wherein the motor (15) is fixedly connected with the telescopic column (4), the output end of the motor (15) is rotatably connected with one end of the transmission shaft (16), the other end of the transmission shaft (16) is connected with the fan blades (17), and the fixing knob (18) is in screw connection with the transmission shaft (16).

7. A height adjustable fan as set forth in claim 6 wherein: the fan blade (17) is provided with a first through groove (19) and a second groove (20), the transmission shaft (16) is provided with a first protruding block (21), and the first protruding block (21) is matched with the first through groove (19) and the second groove (20).