Rotary base and fan

Abstract

The utility model discloses a rotary base and a fan. The rotary base comprises a base assembly, a chassis assembly, a control circuit board and a power supply circuit board, the base assembly and the chassis assembly can be connected in a relatively rotating mode. The control circuit board is arranged in the base assembly, the control circuit board is provided with a conductive part, the power supply circuit board is arranged in the chassis assembly, and a conductive sliding rail is arranged on the power supply circuit board; in the thickness direction of the base assembly, the conductive piece extends along the side where the chassis assembly is located and abuts against and is electrically connected with the conductive sliding rail, and the conductive piece and the conductive sliding rail can slide relatively. According to the fan, 360-degree rotation of the fan can be achieved, and meanwhile the service life of the electric lead is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of fans, in particular to a rotating base and a fan. Background Art

[0002] To meet user needs, fans that can rotate 360° are now available on the market. However, these fans have internal power cords and various connecting cables. When the fan rotates 360° for a long time, these conductive cables are prone to breaking or frayed, shortening the fan's service life. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a rotating base and a fan, so as to prolong the service life of the conductive wire in the fan.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] A rotating base comprises a base assembly, a chassis assembly, a control circuit board and a power circuit board;

[0006] The base assembly is connected to the chassis assembly so as to be relatively rotatable;

[0007] The control circuit board is arranged in the base assembly, and the control circuit board is provided with a conductive member, the power circuit board is arranged in the chassis assembly, and the power circuit board is provided with a conductive slide rail;

[0008] In the thickness direction of the base assembly, the conductive member is extended along one side of the chassis assembly and abuts against and is electrically connected to the conductive slide rail, and the conductive member and the conductive slide rail can slide relative to each other.

[0009] Furthermore, the conductive member is a conductive spring.

[0010] Furthermore, a sliding support member is sandwiched between the base assembly and the chassis assembly to form a gap between the base assembly and the chassis assembly.

[0011] Furthermore, the base assembly includes an upper cover, a bottom cover and a drive assembly;

[0012] An accommodating space is formed between the upper cover and the bottom cover. The fixed end of the driving assembly is installed in the accommodating space, and the movable end of the driving assembly passes through the bottom cover and is transmission-connected to the chassis assembly.

[0013] Furthermore, the control circuit board is installed in the accommodating space.

[0014] Furthermore, the chassis assembly includes a chassis body and a fixed gear;

[0015] The fixed gear is installed on the chassis body and is coaxially arranged with the chassis body;

[0016] The fixed gear is in transmission connection with the movable end of the driving assembly.

[0017] Further, the driving assembly includes a driving motor, a fixing plate and a movable gear;

[0018] The fixed end of the driving motor is connected to the bottom cover through the fixing plate;

[0019] The movable end of the driving motor passes through the fixing plate and is in transmission connection with the movable gear;

[0020] The movable gear meshes with the fixed gear.

[0021] Further, the fixing plate is detachably connected to the bottom cover.

[0022] Further, the conductive slide rail is made of conductive copper foil.

[0023] In order to solve the above technical problems, another technical solution adopted by the present utility model is:

[0024] A fan includes a rotating base as described in the above technical solution.

[0025] The beneficial effect of the present utility model lies in that the control circuit board is arranged in the base assembly, the power supply circuit board is arranged in the chassis assembly, and the control circuit board and the power supply circuit board are in mutual abutment through the conductive member and the conductive slide rail to realize the electrical connection between the control circuit board and the power supply circuit board. Due to the setting of the above structure, when the base assembly rotates 360° relative to the chassis assembly, the conductive wires inside the fan do not rotate accordingly. Therefore, the conductive wires inside the fan can be protected, avoiding the breakage of the conductive wires and prolonging the service life of the conductive wires inside the fan. Description of the Drawings

[0026] Figure 1 It is a schematic structural diagram of the rotating base in the present utility model;

[0027] Figure 2 It is an exploded view of the rotating base in the present utility model.

[0028] Label Description:

[0029] 1. Base assembly; 11. Upper cover; 12. Bottom cover; 121. Through groove; 13. Driving assembly; 131. Driving motor; 132. Fixing plate; 133. Movable gear;

[0030] 2. Chassis assembly; 21. First support portion; 22. Chassis body; 23. Fixed gear;

[0031] 3. Control circuit board; 31. Conductive component;

[0032] 4. Power supply circuit board; 41. Conductive slide rail;

[0033] 5. Sliding support member. Detailed implementation manners

[0034] To illustrate in detail the technical content, achieved objectives and effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the drawings.

[0035] Please refer to Figure 1 and Figure 2 , a fan, comprising a rotating base; the rotating base includes a base assembly 1, a chassis assembly 2, a control circuit board 3 and a power supply circuit board 4; the base assembly 1 and the chassis assembly 2 are rotatably connected to each other; the control circuit board 3 is disposed within the base assembly 1, and the control circuit board 3 is provided with a conductive component 31, the power supply circuit board 4 is disposed within the chassis assembly 2, and a conductive slide rail 41 is provided on the power supply circuit board 4; in the thickness direction of the base assembly 1, the conductive component 31 extends along the side where the chassis assembly 2 is located and abuts against and is electrically connected to the conductive slide rail 41, and the conductive component 31 and the conductive slide rail 41 are relatively slidable. Preferably, the conductive slide rail 41 is made of conductive copper foil material.

[0036] It can be understood that the control circuit board 3 is disposed within the base assembly 1, the power supply circuit board 4 is disposed within the chassis assembly 2, and the control circuit board 3 and the power supply circuit board 4 are in abutting connection with each other through the conductive component 31 and the conductive slide rail 41 to achieve the electrical connection between the control circuit board 3 and the power supply circuit board 4. Due to the setting of the above structure, when the base assembly 1 rotates 360° relative to the chassis assembly 2, the conductive component 31 rotates along the conductive slide rail 41, and the wires inside the fan do not rotate accordingly. Therefore, the wires inside the fan can be protected, avoiding wire breakage and prolonging the service life of the wires inside the fan.

[0037] In some embodiments, the conductive component 31 is a conductive elastic sheet. Preferably, the conductive component 31 is made of an antioxidant metal material, such as antioxidant copper foil. Using the conductive elastic sheet as the conductive component 31 to ensure that the conductive component 31 always maintains an abutting relationship with the conductive slide rail 41 during the rotation of the base assembly 1, ensuring the reliability of the electrical connection.

[0038] In some embodiments, a sliding support member 5 is clamped between the base assembly 1 and the chassis assembly 2 to form a gap between the base assembly 1 and the chassis assembly 2. Preferably, the sliding support member 5 is a POM washer. Specifically, a first support portion 21 for supporting the sliding support member 5 is provided on the chassis assembly 2. Correspondingly, a second support portion is defined on the side of the base assembly 1 facing the chassis assembly 2, and the sliding support member 5 is clamped between the first support portion 21 and the second support portion. The sliding support member 5 is provided to form a gap between the chassis assembly 2 and the base assembly 1 to reduce the frictional resistance when the base assembly 1 rotates relative to the chassis assembly 2.

[0039] In some embodiments, the base assembly 1 includes an upper cover 11, a bottom cover 12, and a drive assembly 13; an accommodation space is formed between the upper cover 11 and the bottom cover 12. The fixed end of the drive assembly 13 is installed in the accommodation space, and the movable end of the drive assembly 13 passes through the bottom cover 12 to be in transmission connection with the chassis assembly 2; the control circuit board 3 is installed in the accommodation space. The upper cover 11 and the bottom cover 12 are provided to form the accommodation space, which is used to accommodate core structures such as the control circuit board 3 and the drive assembly 13, so that the base assembly 1 has the core functions of rotation and intelligent control, and can protect the control circuit board 3 and the drive assembly 13.

[0040] In some embodiments, the chassis assembly 2 includes a chassis body 22 and a fixed gear 23; the fixed gear 23 is installed on the chassis body 22 and is coaxially arranged with the chassis body 22; the fixed gear 23 is in transmission connection with the movable end of the drive assembly 13. The fixed gear 23 is coaxially arranged with the chassis body 22, while the corresponding drive assembly 13 is eccentrically arranged with respect to the axis of the base assembly 1, so that the drive assembly 13 drives the base assembly 1 to rotate around the axis of the chassis body 22. <DATABASE>In some embodiments, the drive assembly 13 includes a drive motor 131, a fixing plate 132, and a moving gear 133; the fixed end of the drive motor 131 is connected to the bottom cover 12 through the fixing plate 132; the movable end of the drive motor 131 passes through the fixing plate 132 to be in transmission connection with the moving gear 133; the moving gear

[0041] 133 meshes with the fixed gear 23. Specifically, the control circuit board 3 is electrically connected to the drive motor 131. Preferably, the drive motor 131 is a stepper motor. The fixing plate 132 is provided to limit the drive motor 131, so that the drive motor 131 drives the moving gear 133 to rotate relative to the upper cover 11 and the bottom cover 12, ensuring the reliability of the drive.

[0042] In some embodiments, the fixing plate 132 is detachably connected to the bottom cover 12 to facilitate the maintenance of the drive assembly 13.

[0043] Embodiment 1 of the present utility model is as follows:

[0044] A fan includes a rotating base; the rotating base includes a base assembly 1, a chassis assembly 2, a control circuit board 3 and a power supply circuit board 4; the base assembly 1 and the chassis assembly 2 are connected to each other so as to be relatively rotatable; the control circuit board 3 is arranged in the base assembly 1, and the control circuit board 3 is provided with a conductive member 31, and the power supply circuit board 4 is arranged in the chassis assembly 2, and the power supply circuit board 4 is provided with a conductive slide rail 41; in the thickness direction of the base assembly 1, the conductive member 31 is extended along the side where the chassis assembly 2 is located and abuts against and electrically connected to the conductive slide rail 41, and the conductive member 31 and the conductive slide rail 41 can slide relative to each other. Preferably, the conductive slide rail 41 is made of conductive copper foil, and the conductive member 31 is a conductive spring sheet. Preferably, the conductive member 31 is anti-oxidation copper foil. Wherein, the control circuit board 3 and the power supply circuit board 4 are both PCBAs, and the power supply circuit board 4 is also electrically connected to an external power supply via a power cord.

[0045] In this embodiment, a sliding support member 5 is interposed between the base assembly 1 and the chassis assembly 2 to create a gap between them. Preferably, the sliding support member 5 is a POM washer. Specifically, a first support portion 21 is provided on the chassis assembly 2 for supporting the sliding support member 5. Correspondingly, a second support portion is provided on the side of the base assembly 1 facing the chassis assembly 2, with the sliding support member 5 interposed between the first support portion 21 and the second support portion.

[0046] In this embodiment, the base assembly 1 includes an upper cover 11, a bottom cover 12 and a drive assembly 13; a receiving space is formed between the upper cover 11 and the bottom cover 12, the fixed end of the drive assembly 13 is installed in the receiving space, and the movable end of the drive assembly 13 passes through the bottom cover 12 and is transmission-connected to the chassis assembly 2; the control circuit board 3 is installed in the receiving space.

[0047] In this embodiment, the chassis assembly 2 includes a chassis body 22 and a fixed gear 23. The fixed gear 23 is mounted on the chassis body 22 and is coaxially arranged with the chassis body 22. The fixed gear 23 is fixedly connected to the chassis body 22. The fixed gear 23 is drivingly connected to the movable end of the drive assembly 13. Specifically, the bottom cover 12 is provided with a through slot 121 for accommodating the drive assembly 13 and the fixed gear 23, providing clearance for the fixed gear 23 and the movable gear 133 to move.

[0048] In this embodiment, the drive assembly 13 includes a drive motor 131, a fixed plate 132, and a movable gear 133. The fixed end of the drive motor 131 is connected to the bottom cover 12 via the fixed plate 132. The movable end of the drive motor 131 passes through the fixed plate 132 and is in transmission connection with the movable gear 133. The movable gear 133 meshes with the fixed gear 23. Specifically, the control circuit board 3 is electrically connected to the drive motor 131. Preferably, the drive motor 131 is a stepper motor.

[0049] In this embodiment, the fixed plate 132 is detachably connected to the bottom cover 12 by screws.

[0050] The working principle of the present utility model is as follows:

[0051] The driving motor 131 drives the moving gear 133 to rotate. Since the fixed gear 23 is fixedly connected to the chassis body 22, the moving gear 133 will rotate around the fixed gear 23, thereby driving the base assembly 1 to rotate relative to the chassis body 22;

[0052] During the rotation of the base relative to the chassis body 22, the conductive member 31 moves along the conductive slide rail 41, and the conductive member 31 always remains in contact with the conductive slide rail 41. The control circuit board 3 and the driving motor 131 also obtain electrical energy provided by an external power source through the conductive member 31 and the conductive slide rail 41 to meet the normal working requirements of the fan.

[0053] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A rotating base, characterized in that, It includes a base assembly, a chassis assembly, a control circuit board and a power circuit board; The base assembly is rotatably connected to the chassis assembly; The control circuit board is arranged in the base assembly, and a conductive part is arranged on the control circuit board. The power circuit board is arranged in the chassis assembly, and a conductive sliding rail is arranged on the power circuit board; In the thickness direction of the base assembly, the conductive part extends along the side where the chassis assembly is located and abuts against and is electrically connected to the conductive sliding rail, and the conductive part and the conductive sliding rail can slide relative to each other.

2. The rotating base according to claim 1, characterized in that, The conductive part is a conductive elastic sheet.

3. A rotating base according to claim 1, characterized in that, A sliding support member is clamped between the base assembly and the chassis assembly, so as to form a gap between the base assembly and the chassis assembly.

4. A rotating base according to claim 1, wherein, The base assembly includes an upper cover, a bottom cover and a driving component; A receiving space is formed between the upper cover and the bottom cover. The fixed end of the driving component is installed in the receiving space, and the movable end of the driving component passes through the bottom cover and is in transmission connection with the chassis assembly.

5. The rotating base according to claim 4, wherein The control circuit board is installed in the receiving space.

6. The rotating base according to claim 4, wherein The chassis assembly includes a chassis body and a fixed gear; The fixed gear is installed on the chassis body and is coaxially arranged with the chassis body; The fixed gear is in transmission connection with the movable end of the driving component.

7. A rotating base according to claim 4 or 6, characterized in that, The driving component includes a driving motor, a fixing plate and a movable gear; The fixed end of the driving motor is connected to the bottom cover through the fixing plate; The movable end of the driving motor passes through the fixing plate and is in transmission connection with the movable gear; The movable gear meshes with the fixed gear.

8. A rotary base according to claim 7, characterized in that, The fixing plate is detachably connected to the bottom cover.

9. A rotary base according to claim 1, characterized in that, The conductive sliding rail is made of conductive copper foil.

10. A fan, characterized in that, It includes a rotating base as described in any one of claims 1-9.

Images