Multi-angle adjustable desktop fan

Abstract

The utility model provides a multi-angle adjustable desktop fan which comprises a base, a rotating seat is vertically mounted in the center of the top end of the base, a lower connecting seat is arranged at the top end of the rotating seat, and the top end of the rotating seat is rotationally connected with a left-right rotating support through the lower connecting seat; the left-right rotating support is a semi-ring arc-shaped piece, the bottom end of the semi-ring arc-shaped piece is connected with one side of the rotating base in an inserted mode, the bottom side of the other end of the semi-ring arc-shaped piece is connected with an upper connecting base, and the central axis of the upper connecting base and the central axis of the lower connecting base are located on the same vertical axis. The inner side of the left-right rotating support is rotationally connected with an up-down rotating support, and the upper end and the lower end of the up-down rotating support are rotationally connected with the upper connecting base and the rotating base correspondingly. According to the fan, the left-right rotating support and the up-down rotating support are used in cooperation, when the fan is used, multi-angle adjustment can be conveniently carried out, use is facilitated, meanwhile, the structure is simple, and production, assembly and sale are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of small electrical appliances, and more specifically, particularly relates to a desktop fan which can be adjusted at multiple angles. Background Art

[0002] Desktop fans are a new type of small household appliance that is gradually becoming popular in offices. Desktop fans have a simple structure and can be used by directly connecting them to a computer host through a power cord. Existing desktop fans can usually only be adjusted up and down. If left and right adjustments are required, the entire machine needs to be moved, which has certain limitations when used.

[0003] Therefore, in view of this, the existing structure and defects are studied and improved, and a desktop fan that can be adjusted at multiple angles is provided, in order to achieve the purpose of having more practical value. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a desktop fan that can be adjusted at multiple angles, which is achieved by the following specific technical means:

[0005] The fan is provided with a mesh cover, one end of which is connected to a mounting cover, and a fan is installed at the inner side of the mesh cover; the left and right sides of the mesh cover are provided with connecting shafts, and one end of the connecting shafts is connected to the inner side of the upper and lower mounting covers.

[0006] Furthermore, an opening is provided at the bottom of the base, and a base plate is installed inside the opening through fasteners, a fixing groove is provided at the top of the base, and a battery is installed inside the fixing groove; a switch button is installed on one side of the top of the base, a control main board is installed inside the base, and the control main board is electrically connected to the switch button, the battery and the fan.

[0007] Furthermore, the left-right rotating bracket and the up-down rotating bracket are both composed of two groups of half shells with the same structure fastened together by screws, and multiple groups of reinforcing ribs are arranged on the inner sides of the half shells.

[0008] Furthermore, a mounting hole is provided at the center of the base, and a mounting flange is provided at the bottom end of the rotating seat, and the mounting flange is overlapped on the bottom side of the mounting hole; a fixed seat is installed at the bottom end of the mounting hole through a fastener, and a limiting flange is provided at the bottom end of the fixed seat, and the limiting flange is provided on the bottom side of the mounting flange.

[0009] Furthermore, a support seat is installed inside the rotating seat, and a support column is vertically arranged on the top of the support seat; a plug interface is arranged on one side of the rotating seat, and the bottom end of the left and right rotating brackets passes through the plug interface and is installed inside the rotating seat; the support column is plugged into one side of the bottom end of the left and right rotating brackets; a plurality of groups of connecting columns are arranged on the inner side of the rotating seat, and a plurality of groups of mounting holes are arranged on the support seat corresponding to the connecting columns, and fastening screws that can be connected to the connecting columns are installed in the mounting holes.

[0010] Furthermore, two groups of fixing holes are symmetrically arranged on the side of the rotating seat, and bolts and nuts that can be connected to each other are respectively installed in the two groups of fixing holes, and the bottom ends of the left and right rotating brackets are provided with through holes that can be connected with the bolts.

[0011] Furthermore, the half shells of the upper and lower rotating brackets are provided with four groups of semi-arc connecting grooves, and the four groups of semi-arc connecting grooves are respectively used to clamp the upper connecting seat, the lower connecting seat and the middle shaft body of the connecting shaft.

[0012] Furthermore, a connecting ball 1 is provided at the top of the left and right rotating bracket, and the upper connecting seat is provided at the bottom end of the connecting ball 1; two groups of connecting balls 2 are symmetrically provided on the inner side of the upper and lower rotating brackets, and a flange is provided at one end of the connecting shaft, and the flanges are respectively installed in the connecting ball 2.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes convenient multi-angle adjustment when the fan is in use through the coordinated use of the left and right rotating brackets and the upper and lower rotating brackets, so as to facilitate use, and at the same time, the structure is relatively simple, which is conducive to production, assembly and sales; through the coordinated use of the support seat and the support column inside the rotating seat, the installation stability of the left and right rotating brackets can be effectively improved, and then the stability of the upper and lower rotating brackets installed on the top of the rotating seat can be effectively improved to ensure smooth use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a sectional schematic diagram of the utility model.

[0017] Figure 3 yes Figure 2 Enlarged schematic diagram of part A in the middle.

[0018] Figure 4 This is a schematic diagram of the partial structure of the utility model. Figure 1 .

[0019] Figure 5 This is a schematic diagram of the partial structure of the utility model. Figure 2 .

[0020] Figure 6 yes Figure 5 Enlarged schematic diagram of part B in the middle.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Base; 2. Rotating seat; 201. Connecting column; 202. Lower connecting seat; 3. Left-right rotating bracket; 301. Connecting sphere one; 4. Up-down rotating bracket; 401. Connecting sphere two; 5. Mesh cover; 501. Connecting shaft; 502. Mounting cover; 6. Fan; 7. Fixed seat; 8. Support seat; 801. Support column; 9. Bottom plate; 10. Battery; 11. Switch button. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides a desktop fan which can be adjusted at multiple angles, comprising a base 1, a rotating seat 2 is vertically installed at the top center of the base 1, a lower connecting seat 202 is arranged at the top of the rotating seat 2, and a left-right rotating bracket 3 is rotatably connected through the lower connecting seat 202; the left-right rotating bracket 3 is a semi-circular arc-shaped member, the bottom end of the semi-circular arc-shaped member is plugged with one side of the rotating seat 2, the bottom side of the other end of the semi-circular arc-shaped member is connected with an upper connecting seat, and the central axis of the upper connecting seat and the lower connecting seat 202 are on the same vertical axis; an upper and lower rotating bracket 4 is rotatably connected to the inner side of the left-right rotating bracket 3, and the upper and lower ends of the upper and lower rotating brackets 4 are rotatably connected to the upper connecting seat and the rotating seat 2 respectively; a mesh cover 5 is rotatably installed inside the upper and lower rotating brackets 4, one end of the mesh cover 5 is connected to a mounting cover 502, and a fan 6 is installed at the inner center of the mounting cover 502; connecting shafts 501 are arranged on the left and right sides of the mesh cover 5, and one end of the connecting shaft 501 is rotatably connected to the inner side of the upper and lower rotating brackets 4 respectively.

[0029] Among them, an opening is provided at the bottom of the base 1, and a base plate 9 is installed inside the opening through fasteners, a fixing groove is provided on the top of the base 9, and a battery 10 is installed inside the fixing groove; a switch button 11 is installed on one side of the top of the base 1, and a control main board is installed inside the base 1, and the control main board is electrically connected to the switch button 11, the battery 10 and the fan 6. Through the installation and use of the battery 10, it can be convenient to work when it is inconvenient to connect to the power supply, so as to meet the use of multiple scenarios.

[0030] The left-right rotating bracket 3 and the up-down rotating bracket 4 are both composed of two groups of half shells with the same structure fastened together by screws, and multiple groups of reinforcing ribs are arranged on the inner side of the half shells to ensure high structural strength.

[0031] Among them, a mounting hole is provided at the center of the base 1, and a mounting flange is provided at the bottom end of the rotating seat 2, and the mounting flange is overlapped on the bottom side of the mounting hole; a fixing seat 7 is installed at the bottom end of the mounting hole through a fastener, and a limiting flange is provided at the bottom end of the fixing seat 7, and the limiting flange is provided on the bottom side of the mounting flange, so as to facilitate the fast and stable fixing operation of the rotating seat 2.

[0032] Among them, a support base 8 is installed inside the rotating base 2, and a support column 801 is vertically arranged on the top of the support base 8; a plug interface is arranged on one side of the rotating base 2, and the bottom end of the left and right rotating bracket 3 passes through the plug interface and is installed inside the rotating base 2; the support column 801 is plugged into one side of the bottom end of the left and right rotating bracket 3; a plurality of groups of connecting columns 201 are arranged on the inner side of the rotating base 2, and a plurality of groups of mounting holes are arranged on the support base 8 corresponding to the connecting columns 201, and the mounting holes are all equipped with fastening screws that can be connected with the connecting columns 201, so as to improve the connection stability between the left and right rotating brackets 3 and the rotating base 2.

[0033] Among them, two groups of fixing holes are symmetrically arranged on the side of the rotating seat 2, and bolts and nuts that can be connected to each other are respectively installed in the two groups of fixing holes. The bottom ends of the left and right rotating brackets 3 are provided with through holes that can be connected with bolts to further improve the connection stability and firmness between the left and right rotating brackets 3 and the rotating seat 2.

[0034] Among them, the half shells of the upper and lower rotating brackets 4 are provided with four groups of semi-arc connecting grooves, and the four groups of semi-arc grooves are respectively used to clamp the upper connecting seat, the lower connecting seat 202 and the middle axis of the connecting shaft 501, so as to realize the rapid installation of the clamped upper connecting seat, the lower connecting seat 202 and the connecting shaft 501.

[0035] Among them, a connecting ball 301 is arranged at the top of the left-right rotating bracket 3, and the upper connecting seat is arranged at the bottom of the connecting ball 301; two groups of connecting ball 2 401 are symmetrically arranged on the inner side of the upper and lower rotating bracket 4, and one end of the connecting shaft 501 is provided with a flange, and the flanges are respectively installed in the connecting ball 2 401.

[0036] The working principle of this embodiment: through the coordinated use of the left and right rotating brackets 3 and the upper and lower rotating brackets 4, it can be realized that when the fan 6 is in use, multi-angle adjustment can be performed more conveniently, so as to facilitate use, and at the same time, the structure is relatively simple, which is conducive to production, assembly and sales; through the coordinated use of the internal support seat 8 and the support column 801 of the rotating seat 2, the installation stability of the left and right rotating brackets 3 can be effectively improved, and then the stability of the upper and lower rotating brackets 4 installed on the top of the rotating seat 2 can be effectively improved to ensure smooth use.

[0037] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A desktop fan capable of being adjusted at multiple angles, comprising a base (1), a rotating base (2) being vertically mounted at the top center of the base (1), characterized in that: The top of the rotating seat (2) is provided with a lower connecting seat (202), and is rotatably connected to a left-right rotating bracket (3) through the lower connecting seat (202); the left-right rotating bracket (3) is a semi-circular arc-shaped member, the bottom end of the semi-circular arc-shaped member is plugged into one side of the rotating seat (2), and the bottom side of the other end of the semi-circular arc-shaped member is connected to an upper connecting seat, and the central axis of the upper connecting seat and the lower connecting seat (202) are on the same vertical axis; the inner side of the left-right rotating bracket (3) is rotatably connected to the upper and lower rotating brackets ( 4), and the upper and lower ends of the upper and lower rotating brackets (4) are respectively rotatably connected to the upper connecting seat and the rotating seat (2); a mesh cover (5) is rotatably mounted inside the upper and lower rotating brackets (4), one end of the mesh cover (5) is connected to a mounting cover (502), and a fan (6) is mounted at the inner center of the mounting cover (502); connecting shafts (501) are provided on the left and right sides of the mesh cover (5), and one end of the connecting shaft (501) is respectively rotatably connected to the inner side of the upper and lower rotating brackets (4).

2. The multi-angle adjustable desktop fan as claimed in claim 1, characterized in that: The bottom of the base (1) is provided with an opening, and a bottom plate (9) is installed inside the opening via fasteners; a fixing groove is provided on the top of the bottom plate (9), and a storage battery (10) is installed inside the fixing groove; a switch button (11) is installed on one side of the top of the base (1), and a control mainboard is installed inside the base (1), and the control mainboard is electrically connected to the switch button (11), the storage battery (10) and the fan (6).

3. The multi-angle adjustable desktop fan as claimed in claim 1, characterized in that: The left-right rotating bracket (3) and the up-down rotating bracket (4) are both composed of two groups of half shells with the same structure fastened together by screws, and the inner sides of the half shells are each provided with a plurality of groups of reinforcing ribs.

4. The multi-angle adjustable desktop fan as claimed in claim 1, characterized in that: A mounting hole is provided at the center of the base (1), a mounting flange is provided at the bottom end of the rotating base (2), and the mounting flange overlaps the bottom side of the mounting hole; a fixing base (7) is installed at the bottom end of the mounting hole via a fastener, a limiting flange is provided at the bottom end of the fixing base (7), and the limiting flange is provided on the bottom side of the mounting flange.

5. The multi-angle adjustable desktop fan as claimed in claim 4, characterized in that: A support seat (8) is installed inside the rotating seat (2), and a support column (801) is vertically arranged on the top of the support seat (8); a plug interface is provided on one side of the rotating seat (2), and the bottom ends of the left and right rotating brackets (3) pass through the plug interface and are installed inside the rotating seat (2); the support column (801) is plugged into one side of the bottom ends of the left and right rotating brackets (3); a plurality of groups of connecting columns (201) are provided on the inner side of the rotating seat (2), and a plurality of groups of mounting holes are provided on the support seat (8) corresponding to the connecting columns (201), and fastening screws that can be connected to the connecting columns (201) are installed in each of the mounting holes.

6. The multi-angle adjustable desktop fan as claimed in claim 5, characterized in that: Two groups of fixing holes are symmetrically arranged on the side of the rotating seat (2), and bolts and nuts that can be connected to each other are respectively installed in the two groups of fixing holes, and the bottom ends of the left and right rotating brackets (3) are provided with through holes that can be connected to the bolts.

7. The multi-angle adjustable desktop fan as claimed in claim 3, characterized in that: The half shells of the upper and lower rotating brackets (4) are provided with four groups of semi-arc-shaped connecting grooves, and the four groups of semi-arc-shaped grooves are used to clamp the upper connecting seat, the lower connecting seat (202) and the middle shaft body of the connecting shaft (501) respectively.

8. The multi-angle adjustable desktop fan as claimed in claim 1, characterized in that: A connecting sphere (301) is arranged at the top end of the left-right rotating bracket (3), and the upper connecting seat is arranged at the bottom end of the connecting sphere (301); two groups of connecting spheres (401) are symmetrically arranged on the inner side of the upper and lower rotating brackets (4), and flanges are arranged at one end of each connecting shaft (501), and the flanges are respectively installed in the connecting spheres (401).

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