CN214742222U

CN214742222U - Novel cooling fan

Info

Publication number: CN214742222U
Application number: CN202120845980.0U
Authority: CN
Inventors: 李卫兵; 李恵华
Original assignee: Zhengzhou Dema Electric Co Ltd
Current assignee: Zhengzhou Dema Electric Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-16
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a novel cooling fan, the on-line screen storage device comprises a base, the last lateral wall fixedly connected with bearing of base, the inner circle fixedly connected with pivot of bearing, the one end fixedly connected with fixed plate of bearing is kept away from in the pivot, the last lateral wall fixedly connected with motor two of fixed plate, the terminal fixedly connected with drive shaft of output shaft of motor two, the drive shaft is kept away from the one end of motor two and is installed the fixed block, a plurality of flabellums of outer wall fixedly connected with of fixed block, the last lateral wall fixedly connected with motor one of base. The utility model discloses a cam and extension spring's cooperation realizes the reciprocating swing of flabellum to increased the heat dissipation scope of flabellum, improved the radiating efficiency, reset spring is to the reverse effort of a plurality of spin simultaneously, and the swing range when can effectually reducing the drive shaft rotation, thereby improved the stability when flabellum rotates.

Description

Novel cooling fan

Technical Field

The utility model relates to a heat dissipation equipment technical field especially relates to a novel cooling fan.

Background

The heat radiation fan is used for heat radiation and cooling in the fields of power supplies, communication, computers, medical equipment, industrial control equipment, household appliances and the like, and can effectively prolong the service life of objects.

Most of existing cooling fans are fixed, and when objects are cooled, the cooling range is limited, so that the cooling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a novel cooling fan.

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

the utility model provides a novel cooling fan, the on-line screen storage device comprises a base, the last lateral wall fixedly connected with bearing of base, the inner circle fixedly connected with pivot of bearing, the one end fixedly connected with fixed plate of bearing is kept away from in the pivot, the last lateral wall fixedly connected with motor two of fixed plate, the terminal fixedly connected with drive shaft of output shaft of motor two, the one end that motor two was kept away from in the drive shaft is installed the fixed block, a plurality of flabellums of outer wall fixedly connected with of fixed block, the last lateral wall fixedly connected with motor one of base, the terminal vertical upwards and fixedly connected with cam of output shaft of motor one, two baffles of the outer wall symmetry fixed connection of pivot, keep away from the cam the outer wall fixedly connected with extension spring of baffle, extension spring keeps away from the one end fixedly connected with of baffle and the base side wall fixed connection's riser.

Preferably, an annular groove is formed in the upper side wall of the base, a circular ring is arranged in the annular groove, and the upper side wall of the circular ring is fixedly connected with a supporting rod fixedly connected with the lower side wall of the fixing plate.

Preferably, the outer wall of the fixing block is in threaded connection with a bolt, and one end, close to the fixing block, of the driving shaft is provided with a threaded hole meshed with the bolt.

Preferably, the upper side wall of the base is fixedly connected with a limiting plate.

Preferably, the upper side wall of the fixing plate is fixedly connected with a fixing ring through a support rod, a cavity is formed in the fixing ring, a plurality of rolling balls penetrate through the inner ring of the fixing ring, and each rolling ball is fixedly connected with a buffer spring between one side of the rolling ball in the cavity and the cavity.

Compared with the prior art, this neotype cooling fan's advantage lies in:

1. the cam and the baffle are arranged, and the baffle and the spring are intermittently stirred by the cam to match the tension of the other baffle, so that the reciprocating rotation of the rotating shaft is realized, the reciprocating swing of the fan blades is realized, the heat dissipation range of the fan blades is further enlarged, and the heat dissipation efficiency is improved;

2. the fixing ring and the rolling ball are arranged, and the swinging amplitude of the driving shaft during rotation can be reduced by utilizing the reverse acting force of the buffer spring on the rolling ball, so that a certain buffer effect is achieved, and the stability of the fan blades during rotation is improved;

3. the bolts are arranged, so that the fan blades are mounted and dismounted by screwing in and out the bolts, and the maintenance and replacement of the fan blades are facilitated;

to sum up, the utility model discloses a cam and extension spring's cooperation realizes the reciprocating swing of flabellum to increased the heat dissipation scope of flabellum, improved the radiating efficiency, reset spring is to the reverse effort of a plurality of spin simultaneously, can effectually reduce the amplitude of fluctuation when the drive shaft rotates, thereby improved the stability when flabellum rotates.

Drawings

Fig. 1 is a schematic structural view of a novel heat dissipation fan provided by the present invention;

fig. 2 is a side sectional view of a joint between a fixing ring and a driving shaft of the heat dissipation fan of the present invention.

In the figure: the device comprises a base 1, a bearing 2, a rotating shaft 3, a baffle 4, a vertical plate 5, an extension spring 6, a first motor 7, a cam 8, a fixed plate 9, a second motor 10, a driving shaft 11, fan blades 12, bolts 13, a fixed ring 14, a rolling ball 15, a buffer spring 16, a ring 17, a supporting rod 18 and a limiting plate 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel cooling fan, including base 1, base 1's last lateral wall fixedly connected with bearing 2, bearing 2's inner circle fixedly connected with pivot 3, bearing 2's one end fixedly connected with fixed plate 9 is kept away from to pivot 3, the ring channel has been seted up to base 1's last lateral wall, be equipped with ring 17 in the ring channel, ring 17's last lateral wall fixedly connected with and fixed plate 9 downside wall fixedly connected's bracing piece 18, the quantity of bracing piece 18 is three and is the triangle arrangement setting, stability has, can improve the steadiness when fixed plate 9 rotates through the supporting role of a plurality of bracing pieces 18 to fixed plate 9, ring 17 can be free rotation in the ring channel simultaneously, thereby cooperate the rotation of fixed plate 9.

Two 10 of the last lateral wall fixedly connected with motor of fixed plate 9, the terminal fixedly connected with drive shaft 11 of the output shaft of two 10 of motors, the last lateral wall of fixed plate 9 passes through the solid fixed ring 14 of branch fixedly connected with, gu seted up the cavity in the fixed ring 14, gu fixed ring 14's inner circle runs through and is equipped with a plurality of spin 15, every spin 15 is located equal common fixedly connected with buffer spring 16 between one side in the cavity and the cavity, when drive shaft 11 rotates and takes place the swing, can extrude spin 15 interpolation, this moment through buffer spring 16 to spin 15's reverse acting force, slow down spin 15's motion, certain cushioning effect plays, thereby can effectually reduce the swing that drive shaft 11 took place, and then the stability when flabellum 12 rotates has been improved.

The fixed block is installed to the one end that second motor 10 was kept away from to drive shaft 11, a plurality of flabellum 12 of outer wall fixedly connected with of fixed block, the outer wall threaded connection of fixed block has bolt 13, drive shaft 11 is close to the one end of fixed block and offers the screw hole with bolt 13 engaged with, screw in and the back-out through bolt 13 can make the meshing and the separation of

bolt

13 and 11 tip screw holes of drive shaft, thereby realize the installation dismantlement of fixed block, made things convenient for the maintenance change of flabellum 12.

The last lateral wall fixedly connected with motor of base 17, the terminal vertical upwards and fixedly connected with cam 8 of output shaft of motor 7, two baffles 4 of the outer wall symmetry fixed connection of pivot 3, the last lateral wall fixedly connected with limiting plate 19 of base 1, limiting plate 19 sets up the opposite face at riser 5, right side baffle 4 is located between riser 5 and limiting plate 19 promptly, inertia when preventing 3 rotations of pivot drives right side baffle 4 turned angle great, thereby two baffles 4's rotation range has been restricted, the cam 8 of being convenient for can contact with left side baffle 4 when rotating in succession.

Keep away from outer wall fixedly connected with extension spring 6 of baffle 4 of cam 8, extension spring 6 keeps away from one end fixedly connected with of baffle 4 and base 1 side wall fixedly connected's riser 5, drive cam 8 clockwise through motor 7, when the longer end of cam 8 turns to left side baffle 4 and contacts with it, can stir left side baffle 4 and make 3 anticlockwise rotations of pivot, and lengthen extension spring 6 through right side baffle 4, when the longer end of cam 8 turns to left side baffle 4, under extension spring 6's elasticity, make 3 clockwise rotations of pivot, thereby realize the reciprocal rotation of pivot 3 through the continuous rotation of cam 8, thereby realize the reciprocal swing of flabellum 12 through fixed plate 9, and then increased the heat dissipation scope of flabellum 12, the heat dissipation efficiency is improved, here through being less than respectively and being greater than motor 7 output shaft center to left side output shaft center with the distance setting of the terminal point of cam 8 longer end and shorter end respectively to motor 7 output shaft center The distance to the left of the side guards 4 is to ensure that the longer end of the cam 8 can contact the left guard 4 and the shorter end cannot contact the left guard 4.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the cam 8 is driven to rotate clockwise by the motor I7, when the longer end of the cam 8 turns to and contacts with the left baffle 4, the left baffle 4 can be stirred to enable the rotating shaft 3 to rotate anticlockwise, the extension spring 6 is lengthened by the right baffle 4, when the longer end of the cam 8 rotates away from the left baffle 4, the rotating shaft 3 is enabled to rotate clockwise under the elastic force of the extension spring 6, the rotating shaft 3 rotates in a reciprocating manner through the continuous rotation of the cam 8, the reciprocating swing of the fan blades 12 is achieved through the fixing plate 9, the heat dissipation range of the fan blades 12 is enlarged, the heat dissipation efficiency is improved, the distances from the end points of the longer end and the shorter end of the cam 8 to the center of the output shaft of the motor I7 are respectively smaller than and larger than the distance from the center of the output shaft of the motor I7 to the left side of the left baffle 4 when the end of the cam 8 is still in contact with the left baffle 4, the shorter end cannot contact the left baffle 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The novel heat dissipation fan comprises a base (1) and is characterized in that a bearing (2) is fixedly connected to the upper side wall of the base (1), a rotating shaft (3) is fixedly connected to the inner ring of the bearing (2), a fixing plate (9) is fixedly connected to one end, far away from the bearing (2), of the rotating shaft (3), a motor II (10) is fixedly connected to the upper side wall of the fixing plate (9), a driving shaft (11) is fixedly connected to the tail end of an output shaft of the motor II (10), a fixing block is installed at one end, far away from the motor II (10), of the driving shaft (11), a plurality of fan blades (12) are fixedly connected to the outer wall of the fixing block, a motor I (7) is fixedly connected to the upper side wall of the base (1), a cam (8) is vertically upwards and fixedly connected to the tail end of the output shaft of the motor I (7), and two baffles (4) are symmetrically and fixedly connected to the outer wall of the rotating shaft (3), keep away from cam (8) the outer wall fixedly connected with extension spring (6) of baffle (4), one end fixedly connected with that extension spring (6) kept away from baffle (4) and base (1) side wall fixed connection's riser (5).

2. The novel heat dissipation fan as claimed in claim 1, wherein an annular groove is formed in the upper side wall of the base (1), a ring (17) is disposed in the annular groove, and a support rod (18) fixedly connected with the lower side wall of the fixing plate (9) is fixedly connected to the upper side wall of the ring (17).

3. The novel heat dissipation fan as claimed in claim 1, wherein a bolt (13) is connected to an outer wall of the fixing block in a threaded manner, and a threaded hole engaged with the bolt (13) is formed in one end of the driving shaft (11) close to the fixing block.

4. The new heat dissipation fan as claimed in claim 1, characterized in that a limiting plate (19) is fixedly connected to the upper sidewall of the base (1).

5. The novel heat dissipation fan as claimed in claim 1, wherein the upper side wall of the fixing plate (9) is fixedly connected with a fixing ring (14) through a support rod, a cavity is formed in the fixing ring (14), a plurality of rolling balls (15) are arranged in the fixing ring (14) in a penetrating manner, and a buffer spring (16) is fixedly connected between one side of each rolling ball (15) in the cavity and the cavity.