CN210949227U

CN210949227U - Rotatable fan

Info

Publication number: CN210949227U
Application number: CN201921747969.XU
Authority: CN
Inventors: 高魏林; 钟跃强; 高满林
Original assignee: Zhongshan Shanzhu Electric Appliance Technology Co ltd
Current assignee: Zhongshan Shanzhu Electric Appliance Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-07
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses create and relate to a rotatable fan, including housing assembly, flabellum and the driving fan blade pivoted driving motor of setting on housing assembly, housing assembly's lower extreme is provided with the base, the up end of base and housing assembly's lower terminal surface are the inclined plane, be connected through rotary mechanism between housing assembly's the lower extreme and the upper end of base and make housing assembly can incline to the horizontal plane when rotating housing assembly, change fan X axle simultaneously at rotatory in-process, Y axle and Z axle coordinate, the air supply direction that can freely adjust the fan more in a flexible way, increase air supply scope, and novel in design.

Description

Rotatable fan

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of fans, in particular to a rotatable fan.

[ background of the invention ]

The fan is popular with people because of small volume, space saving and soft air supply. The fan in the prior art generally changes the air supply direction through a swing motor, but for small fans such as a desk fan or a handheld fan, the swing motor cannot be added to change the air supply direction due to small size, and the function is single, so that the invention provides the fan which changes the traditional air supply mode and can realize rotation.

[ summary of the invention ]

In order to solve the problems, the invention provides a rotatable fan which is ingenious in structure and novel in design.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a rotatable fan, includes housing assembly, sets up flabellum and drive on the housing assembly flabellum pivoted driving motor, housing assembly's lower extreme is provided with the base, the up end of base and housing assembly's lower terminal surface are the inclined plane, be connected through rotary mechanism between housing assembly's lower extreme and the upper end of base and make and rotate during housing assembly the housing assembly can be inclined to the horizontal plane.

As a preferred embodiment, further defined is: the rotating mechanism comprises a rotating plate fixedly connected to the lower end of the shell assembly and a shaft sleeve fixedly connected to the upper end of the base, an opening is formed in the upper end of the base, a shaft moving part extending into the opening is arranged in the middle of the rotating plate, a shaft sleeve part sleeved on the shaft moving part is arranged in the middle of the shaft sleeve, and the rotating plate can only circumferentially rotate relative to the shaft sleeve part and cannot axially move; the rotating plate is provided with a plurality of clamping grooves distributed in an axial array mode, and the rotating plate is provided with a locking assembly matched with the clamping grooves.

As a preferred embodiment, further defined is: the lower end of the shaft moving part is sleeved with a limiting part with the diameter larger than that of the shaft sleeve part.

As a preferred embodiment, further defined is: the locking assembly comprises a steel ball matched with the clamping groove and a return spring driving the steel ball to return; when the shell assembly is rotated, the steel balls are sequentially clamped with the clamping grooves, and when the shell assembly is locked, the return spring drives the lower ends of the steel balls to be clamped into the clamping grooves.

As a preferred embodiment, further defined is: the lower end of the rotating plate is provided with a pressing sheet groove positioned on the outer side of the shaft moving part, a reset hole used for containing the steel ball and the reset spring is arranged in the pressing sheet groove, the locking assembly further comprises a limiting pressing sheet, the limiting pressing sheet is provided with a first through hole for the lower end of the steel ball to pass through, and the aperture of the first through hole is smaller than the diameter of the steel ball; the limiting pressing sheet is fixedly arranged in the pressing sheet groove, so that the upper end of the steel ball is always kept in the reset hole.

As a preferred embodiment, further defined is: two ends of the limiting pressing sheet are respectively bent upwards to form an upper flanging, and the upper end of the upper flanging is bent outwards to form a transverse fixing part; the tablet groove is internally provided with mounting grooves which are positioned on two sides of the reset hole and matched with the upper flanging and the transverse fixing part, and the transverse fixing part is fixedly connected with the mounting grooves.

As a preferred embodiment, further defined is: the clamping groove is a cambered surface groove.

As a preferred embodiment, further defined is: the up end of base is provided with and is used for holding the first concave station of axle external member, the trompil sets up in the first concave station, the assembly back the axle sleeve spare is installed in the first concave station, the upper surface of axle external member with the up end parallel and level of base or be less than the up end of base.

As a preferred embodiment, further defined is: the up end of base is provided with and is located the second concave station in the first concave station outside, the degree of depth of second concave station is greater than the degree of depth of first concave station, the outside of axle external member have with the installation department of second concave station looks adaptation.

As a preferred embodiment, further defined is: the included angle between the upper end face of the base and the horizontal plane is 7 +/-5 degrees.

As a preferred embodiment, further defined is: the casing assembly comprises an outer casing, the outer casing has circular shape outer frame portion and sets up the base connecting portion of outer frame portion lower extreme, rotor plate fixed mounting is in the lower extreme of base connecting portion, casing assembly is still including setting up preceding inner shell and back inner shell in the outer frame portion, preceding inner shell and back inner shell are circular, be provided with first supporting part in the preceding inner shell, be provided with rotary switch on the first supporting part, be provided with the second supporting part in the back inner shell, driving motor and flabellum fixed mounting are in on the second supporting part.

The beneficial effects of the invention are as follows: the lower end of the shell assembly is provided with the base, the upper end face of the base and the lower end face of the shell assembly are inclined planes, the lower end of the shell assembly is connected with the upper end of the base through the rotating mechanism, so that the shell assembly can be inclined to the horizontal plane when the shell assembly is rotated, the X-axis, Y-axis and Z-axis coordinates of the fan are changed simultaneously in the rotating process, the air supply direction of the fan can be adjusted more freely and flexibly, the air supply range is enlarged, and the design is novel.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of the invention;

FIG. 2 is an exploded view of the present invention;

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

FIG. 4 is a schematic view of the structure of the base;

FIG. 5 is a schematic view of a rotating plate;

FIG. 6 is a schematic structural view of a shaft assembly;

FIG. 7 is an enlarged schematic view at A in FIG. 3;

FIG. 8 is a schematic structural view of a limiting pressing sheet;

fig. 9 is a partially exploded view of the present invention.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 8, a rotatable fan includes a housing assembly 1, a fan blade 2 disposed on the housing assembly 1, and a driving motor for driving the fan blade 2 to rotate, wherein a base 3 is disposed at a lower end of the housing assembly 1, an upper end surface of the base 3 and a lower end surface of the housing assembly 1 are inclined planes, and further, an included angle between the upper end surface of the base 3 and a horizontal plane is 7 ± 5 °. The lower end of the shell assembly 1 and the upper end of the base 3 are connected through the rotating mechanism, so that the shell assembly 1 can be inclined to the horizontal plane when the shell assembly 1 rotates, the X-axis, Y-axis and Z-axis coordinates of the fan are changed simultaneously in the rotating process, the air supply direction of the fan can be adjusted more freely and flexibly, the air supply range is enlarged, and the design is novel. In order to prevent the fan from tilting when the fan rotates and inclines to the horizontal plane, the base 3 is made of a material with a heavier weight, such as a metal material, so that the weight of the base 3 is greater than the weight of the upper part of the fan, that is, the weight of the base 3 should be greater than the sum of the weights of the other parts of the fan except the base 3.

In this embodiment, the rotating mechanism includes a rotating plate 4 fixedly connected to the lower end of the housing assembly 1 and a sleeve member 5 fixedly connected to the upper end of the base 3, the upper end of the base 3 is provided with an opening 31, the middle portion of the rotating plate 4 has a shaft moving portion 41 extending into the opening 31, the middle portion of the sleeve member 5 has a sleeve portion 51 sleeved on the shaft moving portion 41, in the prior art, there are various technical solutions capable of achieving axial fixed connection between the rotating plate 4 and the sleeve member 5, in this embodiment, the lower end of the shaft moving portion 41 is sleeved with a limiting member 6 having a diameter larger than that of the sleeve portion 51, so that the rotating plate 4 can only circumferentially rotate relative to the sleeve member 5 and cannot axially move, and the structure is simple. The axle sleeve 5 is provided with a plurality of clamping grooves 52 distributed in an axial array, and the rotating plate 4 is provided with a locking assembly matched with the clamping grooves 52.

Furthermore, the locking component comprises a steel ball 7 matched with the clamping groove 52 and a return spring 8 driving the steel ball 7 to return; for the convenience of rotation, the locking groove 52 is a cambered groove. When the shell assembly 1 is rotated, the steel balls 7 are sequentially clamped with the clamping grooves 52, when the shell assembly 1 is locked, the return spring 8 drives the lower ends of the steel balls 7 to be clamped into the clamping grooves 52, and resistance is provided for the shell assembly 1 to keep fixed with the base 3 under the effect of no external force.

In this embodiment, the lower end of the rotating plate 4 is provided with a pressing plate groove 42 located outside the shaft moving part 41, the pressing plate groove 42 is provided with a reset hole 43 for accommodating the steel ball 7 and the reset spring 8, the locking assembly further comprises a limiting pressing plate 9, the limiting pressing plate 9 is provided with a first through hole 91 for the lower end of the steel ball 7 to pass through, and the aperture of the first through hole 91 is smaller than the diameter of the steel ball 7; the limiting pressing sheet 9 is fixedly arranged in the pressing sheet groove 42, so that the upper end of the steel ball 7 is always kept in the reset hole 43, the structure is simple, and the design is ingenious.

In this embodiment, two ends of the limiting pressing sheet 9 are respectively bent upwards to form an upper flange 92, and the upper end of the upper flange 92 is bent outwards to form a transverse fixing portion 93; the pressing sheet groove 42 is internally provided with mounting grooves 44 which are positioned at two sides of the reset hole 43 and are matched with the upper flanging 92 and the transverse fixing part 93, and the transverse fixing part 93 is in threaded connection with the mounting grooves 44, so that the structure is simple and the mounting is firm.

The up end of base 3 is provided with and is used for holding the first concave station 32 of axle external member 5, trompil 31 sets up in the first concave station 32, the assembly back axle external member 5 is installed in the first concave station 32, the upper surface of axle external member 5 with the up end parallel and level of base 3 or be less than the up end of base 3. The up end of base 3 is provided with and is located the second concave station 33 in the first concave station 32 outside, the degree of depth of second concave station 33 is greater than the degree of depth of first concave station 32, the outside of axle external member 5 have with the installation department 53 of second concave station 33 looks adaptation, through threaded connection's mode fixed connection between second concave station 33 and the installation department 53 for axle external member 5 fixed connection is on base 3.

As shown in fig. 9, the housing assembly 1 includes an outer housing 11, the outer housing 11 has a circular outer frame portion 111 and a base connecting portion 112 disposed at a lower end of the outer frame portion 111, the rotating plate is fixedly mounted at a lower end of the base connecting portion, the housing assembly 1 further includes a front inner housing 12 and a rear inner housing 13 disposed in the outer frame portion 111, the front inner housing 12 and the rear inner housing 13 are both circular, and further, the front inner housing 12 and the rear inner housing 13 are fixedly mounted in the outer frame portion 111 by means of screwing or snapping. Be provided with first supporting part 121 in preceding inner shell 12, be provided with the knob switch 10 that is used for controlling the wind speed on the first supporting part 121, be provided with second supporting part 131 in the back inner shell 13, driving motor 20 and flabellum 2 fixed mounting be in on the second supporting part 131, simple structure, modern design.

Claims

1. The utility model provides a rotatable fan, includes housing assembly (1), sets up flabellum (2) and drive on housing assembly (1) flabellum (2) pivoted driving motor, its characterized in that the lower extreme of housing assembly (1) is provided with base (3), the up end of base (3) and the lower terminal surface of housing assembly (1) are the inclined plane, be connected through rotary mechanism between the lower extreme of housing assembly (1) and the upper end of base (3) and make and rotate when housing assembly (1) can be inclined to the horizontal plane.

2. The rotatable fan according to claim 1, wherein the rotating mechanism comprises a rotating plate (4) fixedly connected to the lower end of the casing assembly (1) and a shaft assembly (5) fixedly connected to the upper end of the base (3), the upper end of the base (3) is provided with an opening (31), the middle part of the rotating plate (4) is provided with a shaft moving part (41) extending into the opening (31), the middle part of the shaft assembly (5) is provided with a shaft sleeve part (51) sleeved on the shaft moving part (41), and the rotating plate (4) can only circumferentially rotate relative to the shaft assembly (5) but can not axially move; the shaft sleeve (5) is provided with a plurality of clamping grooves (52) distributed in an axial array mode, and the rotating plate (4) is provided with a locking assembly matched with the clamping grooves (52).

3. The rotatable fan according to claim 2, wherein the lower end of the shaft moving portion (41) is fitted with a stopper (6) having a diameter larger than that of the shaft fitting portion (51).

4. The rotatable fan according to claim 2, wherein the locking assembly comprises a steel ball (7) engaged with the locking groove (52) and a return spring (8) driving the steel ball (7) to return; when the shell assembly (1) is rotated, the steel balls (7) are sequentially clamped with the clamping grooves (52), and when the shell assembly is locked, the return spring (8) drives the lower ends of the steel balls (7) to be clamped into the clamping grooves (52).

5. The rotatable fan according to claim 4, wherein the lower end of the rotating plate (4) is provided with a pressing plate groove (42) located outside the shaft moving part (41), a reset hole (43) for accommodating the steel ball (7) and a reset spring (8) is arranged in the pressing plate groove (42), the locking assembly further comprises a limiting pressing plate (9), the limiting pressing plate (9) is provided with a first through hole (91) for the lower end of the steel ball (7) to pass through, and the aperture of the first through hole (91) is smaller than the diameter of the steel ball (7); the limiting pressing sheet (9) is fixedly arranged in the pressing sheet groove (42) so that the upper end of the steel ball (7) is always kept in the reset hole (43).

6. The rotatable fan according to claim 5, wherein both ends of the limiting pressing sheet (9) are respectively bent upwards to form an upper flange (92), and the upper end of the upper flange (92) is bent outwards to form a transverse fixing part (93); the pressing piece groove (42) is internally provided with a mounting groove (44) which is positioned at two sides of the reset hole (43) and matched with the upper flanging (92) and the transverse fixing part (93), and the transverse fixing part (93) is fixedly connected with the mounting groove (44).

7. The rotatable fan of claim 4 wherein the pockets (52) are cambered pockets.

8. The rotatable fan according to claim 2, wherein the upper end surface of the base (3) is provided with a first recessed platform (32) for accommodating the shaft assembly (5), the opening (31) is provided in the first recessed platform (32), the shaft assembly (5) is mounted in the first recessed platform (32) after assembly, and the upper surface of the shaft assembly (5) is flush with or lower than the upper end surface of the base (3).

9. The rotatable fan according to claim 8, wherein the upper end surface of the base (3) is provided with a second recessed land (33) located outside the first recessed land (32), the depth of the second recessed land (33) is greater than the depth of the first recessed land (32), and the outside of the boss member (5) has a mounting portion (53) fitted with the second recessed land (33).

10. The rotatable fan according to any one of claims 2-9, characterized in that the casing assembly (1) comprises an outer casing (11), the outer shell (11) is provided with a circular outer frame part (111) and a base connecting part (112) arranged at the lower end of the outer frame part (111), the rotating plate (4) is fixedly arranged at the lower end of the base connecting part (112), the housing assembly (1) further comprises a front inner housing (12) and a rear inner housing (13) arranged in the outer frame portion (111), the front inner shell (12) and the rear inner shell (13) are both circular, a first supporting part (121) is arranged in the front inner shell (12), a knob switch (10) is arranged on the first supporting part (121), a second supporting part (131) is arranged in the rear inner shell (13), the driving motor (20) and the fan blades (2) are fixedly arranged on the second supporting part (131).