Stable holder

Abstract

The utility model is suitable for the technical field of holders, and provides a stable holder which comprises a shell. The rotating piece is arranged on the shell; the driving part is used for driving the rotating part to rotate, the driving part comprises a motor and a driving gear, the rotating part comprises a first driven gear, a mounting sleeve, a second driven gear and an elastic part, and when the rotating part is meshed with the driving gear, the acting force of the elastic part enables gear teeth of the first driven gear and the second driven gear to abut against the two side faces of gear teeth of the driving gear correspondingly; the shell, the rotating piece and the driving piece are arranged, the motor drives the driving gear to rotate, the driving gear drives the first driven gear and the second driven gear to rotate, gear teeth of the first driven gear and gear teeth of the second driven gear abut against the two side faces of the gear teeth of the driving gear respectively, gaps between the gear teeth in gear transmission are reduced, and transmission efficiency is improved. The precision of gear transmission is improved, and the driven gear rotates stably, so that the rotating piece drives the video recording equipment to rotate stably, shaking is reduced, and the shooting quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pan platforms, and in particular relates to a stable pan platform. 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. The gimbal can be rotated at will, which is convenient for users to use.

[0003] In the existing pan-tilt structure, the camera is generally driven to rotate by the rotation of gears. In traditional gear transmission, there will be a gap between the teeth when they are meshing. This gap will reduce the accuracy of the mechanical structure and cause the rotating camera to shake and become unstable, affecting the shooting quality. Utility Model Content

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

[0005] The utility model is implemented in this way: a stable pan head, comprising:

[0006] shell;

[0007] A rotating member installed on the housing, used to install the video recording device and capable of driving it to rotate;

[0008] A driving member, used for driving the rotating member to rotate;

[0009] The driving member comprises:

[0010] A motor fixed in the housing;

[0011] A driving gear fixed on the output shaft of the motor to drive the connected rotating member;

[0012] The rotating member comprises:

[0013] A driven gear 1 is rotatably mounted on the housing, wherein a mounting sleeve is integrally provided on the driven gear 1, and the mounting sleeve is rotatably connected to the housing;

[0014] The driven gear 2 is rotatably mounted on the mounting sleeve, wherein the driven gear 1, the mounting sleeve and the driven gear 2 are coaxially arranged, and the gear teeth of the driven gear 1 and the driven gear 2 are staggered and meshed with the driving gear;

[0015] The elastic member connected between the driven gear 1 and the driven gear 2 is used to make the driven gear 1 and the driven gear 2 have a relative rotation tendency. When meshing with the driving gear, the force of the elastic member makes the teeth of the driven gear 1 and the driven gear 2 respectively press against the two side surfaces of the teeth of the driving gear.

[0016] Preferably, the elastic member is at least one tension spring, and two ends of the tension spring are respectively connected to the driven gear 1 and the driven gear 2.

[0017] Preferably, a mounting groove is provided on the driven gear 1 and the driven gear 2, and a tension spring is placed in the mounting groove, and two ends of the tension spring are respectively hooked with pins inserted on the driven gear 1 and the driven gear 2.

[0018] Preferably, the stabilizing platform further includes a magnetic encoder for detecting the rotation position and rotation speed of the rotating member, and the magnetic encoder includes:

[0019] A permanent magnet mounted on the mounting sleeve;

[0020] A magnetic sensor is mounted on the housing and is used to cooperate with the permanent magnet. The magnetic sensor is mounted on a PCB board within the magnetic field range of the permanent magnet. The permanent magnet and the magnetic sensor are located on the rotation center line of the rotating part.

[0021] Preferably, the mounting sleeve is provided with a plurality of mounting holes circumferentially spaced around its axis for mounting a fixing block, the permanent magnet is fixed on the fixing block, and the fixing block can cooperate with different mounting holes.

[0022] Preferably, a mounting frame for mounting the magnetic sensor is provided on the shell, the mounting frame includes a support rod and a fixing plate, fixing rods are fixed at both ends of the support rod, the fixing rod is fixedly connected to the shell, the fixing plate is fixed on the support rod, and the magnetic sensor is mounted on the fixing plate.

[0023] Preferably, the stabilizing pan / tilt head further comprises a mounting plate for mounting a video recording device, and the mounting plate is fixedly connected to the mounting sleeve.

[0024] Preferably, a convex ring for accommodating the mounting sleeve is integrally provided on the housing, and a plurality of support members cooperating with the outer side wall of the convex ring are circumferentially spaced and installed on the mounting plate.

[0025] Preferably, the support member comprises:

[0026] A sleeve fixed to the mounting plate, wherein the length direction of the sleeve is along the radial direction of the convex ring;

[0027] A mounting rod is inserted into the sleeve along the length direction of the sleeve, the mounting rod is slidably connected with the sleeve, a compression spring is installed in the sleeve, and two ends of the compression spring are respectively in contact with the sleeve and the mounting rod;

[0028] A roller is rotatably mounted on one end of the mounting rod outside the sleeve, and an annular groove for the roller to move is provided on the outer side wall of the convex ring.

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

[0030] The stabilizing pan head provided by the utility model is provided with a shell, a rotating part and a driving part, wherein the driving part comprises a motor and a driving gear, and the rotating part comprises a driven gear 1, a mounting sleeve, a driven gear 2 and an elastic part. The motor drives the driving gear to rotate, and the driving gear drives the driven gear 1 and the driven gear 2 to rotate. Since the gear teeth of the driven gear 1 and the driven gear 2 are respectively pressed against the two side surfaces of the gear teeth of the driving gear, the gap between the teeth in the gear transmission is reduced, the accuracy of the gear transmission is improved, and the driven gear rotates smoothly, so that the rotating part drives the video recording equipment to rotate smoothly, the shaking is reduced and the shooting quality is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is an external schematic diagram of a stable gimbal provided in Example 1 of the utility model;

[0032] Figure 2 This is a schematic diagram of the internal structure of a housing in a stable gimbal provided in Example 1 of the utility model;

[0033] Figure 3 yes Figure 2 Side view of

[0034] Figure 4 yes Figure 2 A front view of

[0035] Figure 5 This is a schematic diagram of the structure of a rotating part and a driving part in a stable gimbal provided in Example 1 of the utility model;

[0036] Figure 6 yes Figure 2 Another perspective of the picture;

[0037] Figure 7 It is a structural schematic diagram of a stable pan / tilt provided in Example 2 of the utility model.

[0038] Notes on the accompanying drawings: 1. Housing; 2. Motor; 3. Driven gear 1; 4. Driven gear 2; 5. Mounting groove; 6. Fixing block; 7. Fixing plate; 8. Support rod; 9. Driving gear; 10. Permanent magnet; 11. Magnetic sensor; 12. Tension spring; 13. Convex ring; 14. Mounting plate; 15. Roller; 16. Mounting rod; 17. Sleeve; 18. Compression spring. DETAILED DESCRIPTION

[0039] 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.

[0040] 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. Example

[0041] The utility model embodiment provides a stable pan-tilt platform, such as Figure 1-Figure 6 As shown, including:

[0042] Shell 1;

[0043] A rotating member installed on the housing 1, used to install the video recording device and can drive it to rotate;

[0044] A driving member, used for driving the rotating member to rotate;

[0045] The driving member comprises:

[0046] The motor 2 fixed in the housing 1 may be fixed by bolts;

[0047] A driving gear 9 fixed on the output shaft of the motor 2 and drivingly connected to the rotating member;

[0048] The rotating member comprises:

[0049] A driven gear 3 is rotatably mounted on the housing 1, wherein the driven gear 3 is integrally provided with a mounting sleeve, and the mounting sleeve is rotatably connected to the housing 1 and may be rotatably connected via a ball bearing;

[0050] The driven gear 2 4 is rotatably mounted on the mounting sleeve, wherein the driven gear 1 3, the mounting sleeve and the driven gear 2 4 are coaxially arranged, and the gear teeth of the driven gear 1 3 and the driven gear 2 4 are staggered and meshed with the driving gear 9;

[0051] The elastic member connected between the driven gear 1 3 and the driven gear 2 4 is used to make the driven gear 1 3 and the driven gear 2 4 have a relative rotation tendency. When meshing with the driving gear 9, the force of the elastic member makes the gear teeth of the driven gear 1 3 and the driven gear 2 4 respectively press against the two side surfaces of the gear teeth of the driving gear 9;

[0052] In this embodiment, the elastic member can be at least one tension spring 12, and the two ends of the tension spring 12 are respectively connected to the driven gear 1 3 and the driven gear 2 4. A mounting groove 5 can be provided on the driven gear 1 3 and the driven gear 2 4, and the tension spring 12 is placed in the mounting groove 5. The two ends of the tension spring 12 are respectively hooked with the pins inserted on the driven gear 1 3 and the driven gear 2 4;

[0053] During operation, the motor 2 is started, the motor 2 drives the driving gear 9 to rotate, and the driving gear 9 drives the driven gear 1 3 and the driven gear 2 4 to rotate. Since the gear teeth of the driven gear 1 3 and the driven gear 2 4 are respectively pressed against the two side surfaces of the gear teeth of the driving gear 9, the gap between the teeth in the gear transmission is reduced, the accuracy of the gear transmission is improved, and the driven gear rotates smoothly, so that the rotating part drives the video recording equipment to rotate smoothly, reducing jitter and improving the shooting quality.

[0054] In this embodiment, the stabilizing platform further includes a magnetic encoder for detecting the rotation position and rotation speed of the rotating member, and the magnetic encoder includes:

[0055] A permanent magnet 10 mounted on the mounting sleeve;

[0056] A magnetic sensor 11 mounted on the housing 1 for cooperating with the permanent magnet 10, wherein the magnetic sensor 11 is mounted on a PCB within the magnetic field of the permanent magnet 10, and the permanent magnet 10 and the magnetic sensor 11 are located on the rotation center line of the rotating member;

[0057] When in use, the motor 2 drives the driving gear 9 to rotate, the driving gear 9 drives the mounting sleeve to rotate, the mounting sleeve drives the permanent magnet 10 to rotate, and the magnetic sensor 11 detects the change in the direction of the magnetic field, and the rotation position and rotation speed of the mounting sleeve can be obtained. The magnetic encoder composed of the permanent magnet 10 and the magnetic sensor 11 is a prior art and will not be described in detail.

[0058] The mounting sleeve is provided with a plurality of mounting holes spaced circumferentially around its axis for mounting the fixing block 6. The permanent magnet 10 is fixed on the fixing block 6. The fixing block 6 can be matched with different mounting holes to adjust the installation position of the fixing block 6.

[0059] Specifically, the housing 1 is provided with a mounting frame for mounting the magnetic sensor 11, and the mounting frame includes a support rod 8 and a fixing plate 7. Fixing rods are fixed at both ends of the support rod 8 and can be fixed by screws. The fixing rod is fixedly connected to the housing 1, and the fixing plate 7 is fixed on the support rod 8. The magnetic sensor 11 is mounted on the fixing plate 7 and can be mounted by screws. Example

[0060] This embodiment is based on embodiment 1. Figure 7 As shown, the stabilizing pan / tilt head further includes a mounting plate 14 for mounting a video recording device. The mounting plate 14 is fixedly connected to the mounting sleeve and can be fixed by screws.

[0061] In this embodiment, the housing 1 is integrally provided with a convex ring 13 for accommodating the mounting sleeve, and the mounting plate 14 is annularly provided with a plurality of support members that cooperate with the outer wall of the convex ring 13 to improve the stability of the mounting plate 14 when rotating;

[0062] Preferably, the support member comprises:

[0063] A sleeve 17 fixed to the mounting plate 14, wherein the length direction of the sleeve 17 is along the radial direction of the convex ring 13;

[0064] A mounting rod 16 is inserted into the sleeve 17 along the length direction of the sleeve 17, the mounting rod 16 is slidably connected with the sleeve 17, a compression spring 18 is installed in the sleeve 17, and two ends of the compression spring 18 are respectively in contact with the sleeve 17 and the mounting rod 16;

[0065] The roller 15 is rotatably mounted on the mounting rod 16 at one end outside the sleeve 17 , and an annular groove for the roller 15 to move is provided on the outer side wall of the convex ring 13 .

[0066] When the mounting plate 14 rotates, the plurality of supporting members contact and move relatively with the outer side wall of the convex ring 13, so that the mounting plate 14 rotates more stably, thereby improving the stability of the recording device.

[0067] In summary, the utility model provides a stable gimbal, and its working principle is as follows:

[0068] Start the motor 2, the motor 2 drives the driving gear 9 to rotate, the driving gear 9 drives the driven gear 1 3 and the driven gear 2 4 to rotate, the driven gear 1 3 drives the mounting plate 14 to rotate through the mounting sleeve, the mounting plate 14 drives the video recording device to rotate, and the angle of the video recording device is adjusted. Since the gear teeth of the driven gear 1 3 and the driven gear 2 4 are respectively pressed against the two side surfaces of the gear teeth of the driving gear 9, the gap between the teeth in the gear transmission is reduced, the accuracy of the gear transmission is improved, and the driven gear rotates smoothly, so that the rotating part drives the video recording device to rotate smoothly, reducing the jitter and improving the shooting quality.

[0069] The above embodiments are only used to illustrate the technical solution 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 creative work are within the scope of protection of the utility model.

Claims

1. A stabilizing pan / tilt head, characterized in that: include: shell; A rotating member installed on the housing, used to install the video recording device and capable of driving it to rotate; A driving member, used for driving the rotating member to rotate; The driving member comprises: A motor fixed in the housing; A driving gear fixed on the output shaft of the motor to drive the connected rotating member; The rotating member comprises: A driven gear 1 is rotatably mounted on the housing, wherein a mounting sleeve is integrally provided on the driven gear 1, and the mounting sleeve is rotatably connected to the housing; The driven gear 2 is rotatably mounted on the mounting sleeve, wherein the driven gear 1, the mounting sleeve and the driven gear 2 are coaxially arranged, and the gear teeth of the driven gear 1 and the driven gear 2 are staggered and meshed with the driving gear; The elastic member connected between the driven gear 1 and the driven gear 2 is used to make the driven gear 1 and the driven gear 2 have a relative rotation tendency. When meshing with the driving gear, the force of the elastic member makes the teeth of the driven gear 1 and the driven gear 2 respectively press against the two side surfaces of the teeth of the driving gear.

2. The stabilizing pan / tilt platform as claimed in claim 1, characterized in that: The elastic member is at least one tension spring, and two ends of the tension spring are respectively connected to the driven gear 1 and the driven gear 2.

3. The stabilizing pan / tilt platform as claimed in claim 2, characterized in that: An installation groove is provided on the driven gear one and the driven gear two, and a tension spring is placed in the installation groove. Two ends of the tension spring are respectively hooked with pins inserted on the driven gear one and the driven gear two.

4. The stabilizing pan / tilt platform as claimed in claim 1, characterized in that: Also included is a magnetic encoder for detecting the rotational position and rotational speed of the rotating member, the magnetic encoder comprising: A permanent magnet mounted on the mounting sleeve; A magnetic sensor is mounted on the housing and is used to cooperate with the permanent magnet. The magnetic sensor is mounted on a PCB board within the magnetic field range of the permanent magnet. The permanent magnet and the magnetic sensor are located on the rotation center line of the rotating part.

5. The stabilizing pan / tilt platform as claimed in claim 4, characterized in that: The mounting sleeve is provided with a plurality of mounting holes spaced circumferentially around its axis for mounting a fixing block. The permanent magnet is fixed on the fixing block, and the fixing block can cooperate with different mounting holes.

6. The stabilizing pan / tilt platform as claimed in claim 5, characterized in that: The housing is provided with a mounting frame for mounting the magnetic sensor, the mounting frame comprises a support rod and a fixing plate, fixing rods are fixed at both ends of the support rod, the fixing rod is fixedly connected to the housing, the fixing plate is fixed on the support rod, and the magnetic sensor is mounted on the fixing plate.

7. The stabilized gimbal according to claim 1, wherein: It also includes a mounting plate for mounting the video recording device, and the mounting plate is fixedly connected to the mounting sleeve.

8. The stabilizing pan / tilt platform as claimed in claim 7, characterized in that: The housing is integrally provided with a convex ring for accommodating the mounting sleeve, and a plurality of support members cooperating with the outer side wall of the convex ring are circumferentially spaced and installed on the mounting plate.

9. The stabilizing pan / tilt platform as claimed in claim 8, characterized in that: The support member comprises: A sleeve fixed to the mounting plate, wherein the length direction of the sleeve is along the radial direction of the convex ring; A mounting rod is inserted into the sleeve along the length direction of the sleeve, the mounting rod is slidably connected with the sleeve, a compression spring is installed in the sleeve, and two ends of the compression spring are respectively in contact with the sleeve and the mounting rod; A roller is rotatably mounted on one end of the mounting rod outside the sleeve, and an annular groove for the roller to move is provided on the outer side wall of the convex ring.

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