Adjustable holder

Abstract

The utility model is applicable to the technical field of holders, and provides an adjustable holder which comprises a shell, a rotating shaft, a power assembly, a spline shaft, a mounting seat and an adjusting assembly, the adjusting assembly comprises a connecting plate, a screw rod, a movable block, a connecting rod and a driving piece, and the driving piece comprises a double-shaft motor, a driving bevel gear and a driven bevel gear. The power assembly comprises a worm gear, a worm and a power piece, the power piece comprises a stepping motor and a synchronous belt structure, the adjustable cradle head is provided with the shell, the rotating shaft, the power assembly, the spline shaft, the installation base and the adjusting assembly, the rotating shaft is driven by the power assembly to rotate, the spline shaft is driven by the rotating shaft to rotate, and therefore the adjustable cradle head can be adjusted. The spline shaft drives the mounting base to rotate, the mounting base drives the camera equipment to rotate, the angle of the camera equipment is adjusted, the adjusting mechanism drives the spline shaft to move in the axis direction of the rotating shaft to adjust the position of the mounting base, the position of the camera equipment is adjusted, and the working range of the camera equipment is enlarged.

Description

Technical Field

[0001] The utility model belongs to the technical field of pan heads, and in particular relates to an adjustable pan head. Background Art

[0002] The gimbal is a supporting device for installing and fixing mobile phones, cameras, and camcorders. It is divided into two types: fixed and electric gimbals;

[0003] In order to facilitate the adjustment of the angle of the camera device, some existing pan-tilt structures generally have a structure to drive the camera device to rotate, but no adjustment structure is provided to drive the camera device to move and further adjust the position of the camera device, and the working range of the camera device cannot be further expanded. Utility Model Content

[0004] The utility model provides an adjustable pan head, aiming to solve the above problems.

[0005] The utility model is implemented in this way: an adjustable pan head comprises:

[0006] case;

[0007] A rotating shaft horizontally penetrating the shell, the rotating shaft being rotatably connected to the shell;

[0008] A power assembly disposed in the housing, used to drive the rotating shaft to rotate;

[0009] Spline shafts are movably inserted into both ends of the rotating shaft, and the spline shaft is coaxially arranged with the rotating shaft. A mounting seat is fixed to one end of the spline shaft outside the rotating shaft for mounting a camera device;

[0010] The adjusting assembly is used to drive the spline shaft to move along the axis of the rotating shaft to adjust the position of the mounting seat.

[0011] Preferably, a base is fixed to the bottom of the shell.

[0012] Preferably, the adjustment component comprises:

[0013] A connecting plate rotatably mounted on one end of each spline shaft close to the mounting seat;

[0014] A screw rod is vertically rotatably mounted on the two side walls of the housing, a movable block is threadedly connected to the screw rod, and the movable block is slidably connected to the side walls of the housing;

[0015] A connecting rod connected between the movable block and the connecting plate, wherein both ends of the connecting rod are hinged to the movable block and the connecting plate respectively;

[0016] A driving member used to drive two lead screws to rotate.

[0017] Preferably, the driving member comprises:

[0018] A dual-shaft motor fixed in the housing, wherein two output shafts of the dual-shaft motor extend to two sides of the housing respectively;

[0019] A driving bevel gear fixed on the output shaft of the dual-shaft motor;

[0020] A driven bevel gear is fixed to the bottom end of the screw rod, and the driven bevel gear is meshed with the driving bevel gear.

[0021] Preferably, a mounting shaft is vertically rotatably mounted on the mounting seat, a mounting plate is fixed to the top of the mounting shaft for fixing the camera equipment, a belt winding wheel is fixed on the mounting shaft below the mounting plate, a pull belt is wound on the belt winding wheel, one end of the pull belt is connected to the outer wall of the rotating shaft, a volute spring is connected between the mounting shaft and the mounting seat, and in a natural state, the force of the volute spring on the mounting shaft causes the belt winding wheel to have a tendency to wind up the pull belt.

[0022] Preferably, the power assembly comprises:

[0023] A worm gear fixed to the shaft section of the rotating shaft located in the housing;

[0024] Rotating a worm mounted in the housing, the worm being meshed with the worm wheel;

[0025] The power part installed in the housing is used to drive the worm to rotate.

[0026] Preferably, the power member comprises:

[0027] A stepper motor fixed in the housing;

[0028] A synchronous belt structure connected between the output shaft of the stepper motor and the worm gear comprises a synchronous wheel fixed on the output shaft of the stepper motor and the worm gear and a synchronous belt connected between the two synchronous wheels.

[0029] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0030] The adjustable pan head provided by the utility model is provided with a shell, a rotating shaft, a power component, a spline shaft, a mounting seat and an adjustment component. The power component drives the rotating shaft to rotate, the rotating shaft drives the spline shaft to rotate, the spline shaft drives the mounting seat to rotate, the mounting seat drives the camera device to rotate, and the angle of the camera device is adjusted. The spline shaft is driven by the adjustment mechanism to move along the axis of the rotating shaft to adjust the position of the mounting seat, and then the position of the camera device is adjusted to expand the working range of the camera device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of an adjustable pan-tilt platform provided by the utility model;

[0032] Figure 2This is a schematic diagram of the internal structure of a shell of an adjustable pan-tilt platform provided by the utility model;

[0033] Figure 3 It is a structural schematic diagram of a power component in an adjustable pan-tilt platform provided by the utility model;

[0034] Figure 4 The utility model provides a schematic structural diagram of a synchronous belt structure, a worm and a worm wheel in an adjustable pan head.

[0035] Notes on the accompanying drawings: 1. Housing; 2. Rotating shaft; 3. Mounting plate; 4. Winding pulley; 5. Mounting seat; 6. Volute spring; 7. Connecting plate; 8. Connecting rod; 9. Screw rod; 10. Driven bevel gear; 11. Base; 12. Dual-axis motor; 13. Driving bevel gear; 14. Movable block; 15. Spline shaft; 16. Pull belt; 17. Synchronous belt structure; 18. Worm; 19. Worm wheel; 20. Stepper motor. DETAILED DESCRIPTION

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0037] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0038] The utility model embodiment provides an adjustable pan-tilt platform, such as Figure 1-Figure 4 As shown, including:

[0039] Shell 1, in this embodiment, a base 11 is fixed to the bottom of the shell 1, which can be fixed by screws to facilitate the installation of the pan / tilt head;

[0040] A rotating shaft 2 horizontally passing through the housing 1, wherein the rotating shaft 2 is rotatably connected to the housing 1 and may be rotatably connected via a bearing;

[0041] A power assembly disposed in the housing 1, used to drive the rotating shaft 2 to rotate;

[0042] Spline shafts 15 are movably inserted into both ends of the rotating shaft 2, and the spline shaft 15 is coaxially arranged with the rotating shaft 2. A mounting seat 5 is fixed to one end of the spline shaft 15 outside the rotating shaft 2, which can be fixed by welding and used to install the camera equipment;

[0043] The adjusting assembly is used to drive the spline shaft 15 to move along the axis direction of the rotating shaft 2 to adjust the position of the mounting seat 5.

[0044] During operation, the power component drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the spline shaft 15 to rotate, the spline shaft 15 drives the mounting seat 5 to rotate, and the mounting seat 5 drives the camera device to rotate to adjust the angle of the camera device. The spline shaft 15 can also be driven by the adjustment mechanism to move along the axial direction of the rotating shaft 2 to adjust the position of the mounting seat 5, thereby adjusting the position of the camera device and expanding the working range of the camera device.

[0045] Wherein, the adjustment component comprises:

[0046] The connecting plate 7 rotatably mounted near one end of each spline shaft 15 and the mounting seat 5 can be rotatably mounted via a bearing;

[0047] The screw rod 9 is vertically rotatably mounted on the two side walls of the housing 1 and can be rotatably mounted through a bearing. A movable block 14 is threadedly connected to the screw rod 9. The movable block 14 is slidably connected to the side wall of the housing 1 and can be slidably connected by means of a slider and a slide groove.

[0048] A connecting rod 8 connected between the movable block 14 and the connecting plate 7, wherein both ends of the connecting rod 8 are hinged to the movable block 14 and the connecting plate 7 respectively;

[0049] A driving member for driving the two screw rods 9 to rotate;

[0050] During operation, the two screw rods 9 are driven to rotate through the driving member, the screw rods 9 drive the movable block 14 to move, the movable block 14 drives the connecting plate 7 to move through the connecting rod 8, and the connecting plate 7 drives the spline shaft 15 to move.

[0051] Specifically, the driving member includes:

[0052] The dual-shaft motor 12 fixed in the housing 1 can be fixed by bolts, and the two output shafts of the dual-shaft motor 12 extend to both sides of the housing 1 respectively;

[0053] The driving bevel gear 13 fixed on the output shaft of the dual-shaft motor 12 can be fixed by welding;

[0054] A driven bevel gear 10 fixed to the bottom end of the screw rod 9, wherein the driven bevel gear 10 is meshed with the driving bevel gear 13;

[0055] The double-axis motor 12 is started, and the double-axis motor 12 drives the active bevel gear 13 to rotate, and the active bevel gear 13 drives the screw rod 9 to rotate through the driven bevel gear 10, and the screw rod 9 drives the movable block 14 to move.

[0056] Preferably, a mounting shaft is vertically rotatably mounted on the mounting seat 5, which can be rotatably mounted through a bearing, a mounting plate 3 is fixed to the top of the mounting shaft for fixing the camera device, which can be fixed by bolts, a belt winding wheel 4 is fixed on the mounting shaft below the mounting plate 3, a pull belt 16 is wound on the belt winding wheel 4, one end of the pull belt 16 is connected to the outer wall of the rotating shaft 2, a pin can be fixedly set on the outer wall of the rotating shaft 2, the pull belt 16 is connected to the pin, a volute spring 6 is connected between the mounting shaft and the mounting seat 5, and in a natural state, the force of the volute spring 6 on the mounting shaft causes the belt winding wheel 4 to have a tendency to rewind the pull belt 16;

[0057] It needs to be explained that when the spline shaft 15 drives the mounting seat 5 to move, the pulley 4 is driven to rotate under the pulling of the pull belt 16, and the pulley 4 drives the mounting plate 3 to rotate through the mounting shaft, and the mounting plate 3 drives the camera device to rotate, further expanding the working range of the camera device.

[0058] In this embodiment, the power assembly includes:

[0059] A worm gear 19 fixed to the shaft section of the rotating shaft 2 located in the housing 1;

[0060] The worm 18 rotatably mounted in the housing 1 can be rotatably mounted through a bearing, and the worm 18 is meshed with a worm wheel 19. The meshing of the worm 18 with the worm wheel 19 can reduce the transmission speed, and the rotation is more stable. In addition, the transmission of the worm 18 is self-locking, and can prevent rotation.

[0061] A power member installed in the housing 1, used to drive the worm 18 to rotate;

[0062] It can be understood that the worm 18 is driven to rotate by the power member, the worm 18 drives the worm wheel 19 to rotate, the worm wheel 19 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the spline shaft 15 to rotate, the spline shaft 15 drives the mounting seat 5 to rotate, and the mounting seat 5 drives the camera device to rotate;

[0063] Furthermore, the power member includes:

[0064] The stepper motor 20 fixed in the housing 1 may be fixed by bolts;

[0065] A synchronous belt structure 17 is connected between the output shaft of the stepper motor 20 and the worm 18 , and the synchronous belt structure 17 includes a synchronous wheel fixed on the output shaft of the stepper motor 20 and the worm 18 and a synchronous belt connected between the two synchronous wheels.

[0066] The stepper motor 20 is started, and the stepper motor 20 drives the worm 18 to rotate through the synchronous belt structure 17 .

[0067] In summary, the utility model provides an adjustable pan / tilt platform, the working principle of which is as follows:

[0068] Start the stepper motor 20, the stepper motor 20 drives the worm 18 to rotate through the synchronous belt structure 17, the worm 18 drives the worm wheel 19 to rotate, the worm wheel 19 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the spline shaft 15 to rotate, the spline shaft 15 drives the mounting seat 5 to rotate, the mounting seat 5 drives the camera device to rotate, and adjust the angle of the camera device. The dual-axis motor 12 can also be started, the dual-axis motor 12 drives the active bevel gear 13 to rotate, the active bevel gear 13 drives the screw rod 9 to rotate through the driven bevel gear 10, the screw rod 9 drives the movable block 14 to move, the movable block 14 drives the connecting plate 7 to move through the connecting rod 8, the connecting plate 7 drives the spline shaft 15 to move, the spline shaft 15 drives the mounting seat 5 to move, and then adjusts the position of the camera device to expand the working range of the camera device. When the mounting seat 5 moves, it drives the belt pulley 4 to rotate under the pulling of the pull belt 16, the belt pulley 4 drives the mounting plate 3 to rotate through the mounting shaft, and the mounting plate 3 drives the camera device to rotate, further expanding the working range of the camera device.

[0069] It should be noted that, for the above embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0070] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. An adjustable pan / tilt head, characterized in that: include: case; A rotating shaft horizontally penetrating the shell, the rotating shaft being rotatably connected to the shell; A power assembly disposed in the housing, used to drive the rotating shaft to rotate; Spline shafts are movably inserted into both ends of the rotating shaft, and the spline shaft is coaxially arranged with the rotating shaft. A mounting seat is fixed to one end of the spline shaft outside the rotating shaft for mounting a camera device; The adjusting assembly is used to drive the spline shaft to move along the axis of the rotating shaft to adjust the position of the mounting seat.

2. The adjustable pan / tilt head according to claim 1, characterized in that: A base is fixed at the bottom of the shell.

3. The adjustable pan / tilt head according to claim 1, characterized in that: The adjustment component comprises: A connecting plate rotatably mounted on one end of each spline shaft close to the mounting seat; A screw rod is vertically rotatably mounted on the two side walls of the housing, a movable block is threadedly connected to the screw rod, and the movable block is slidably connected to the side walls of the housing; A connecting rod connected between the movable block and the connecting plate, wherein both ends of the connecting rod are hinged to the movable block and the connecting plate respectively; A driving member used to drive two lead screws to rotate.

4. The adjustable pan / tilt head according to claim 3, characterized in that: The driving member comprises: A dual-shaft motor fixed in the housing, wherein two output shafts of the dual-shaft motor extend to two sides of the housing respectively; A driving bevel gear fixed on the output shaft of the dual-shaft motor; A driven bevel gear is fixed to the bottom end of the screw rod, and the driven bevel gear is meshed with the driving bevel gear.

5. The adjustable pan / tilt head according to claim 1, characterized in that: A mounting shaft is vertically rotatably mounted on the mounting seat, a mounting plate is fixed to the top of the mounting shaft for fixing the camera equipment, a belt winding wheel is fixed to the mounting shaft below the mounting plate, a pull belt is wound on the belt winding wheel, one end of the pull belt is connected to the outer wall of the rotating shaft, a volute spring is connected between the mounting shaft and the mounting seat, and in a natural state, the force of the volute spring on the mounting shaft causes the belt winding wheel to have a tendency to wind up the pull belt.

6. The adjustable pan / tilt head according to claim 1, characterized in that: The power assembly comprises: A worm gear fixed to the shaft section of the rotating shaft located in the housing; Rotating a worm mounted in the housing, the worm being meshed with the worm wheel; The power part installed in the housing is used to drive the worm to rotate.

7. The adjustable pan-tilt head according to claim 6, characterized in that: The power member comprises: A stepper motor fixed in the housing; A synchronous belt structure connected between the output shaft of the stepper motor and the worm gear comprises a synchronous wheel fixed on the output shaft of the stepper motor and the worm gear and a synchronous belt connected between the two synchronous wheels.

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