Limiting device and holder

Abstract

The utility model discloses a limiting device, which comprises a motor and a quick assembly mechanism, the motor comprises a motor rotor and a motor stator, and the motor rotor is rotatably connected with the motor stator; a groove is formed in the motor rotor, a limiting bolt and an elastic piece are arranged in the groove, one end of the limiting bolt protrudes out of the surface of the motor rotor, and the elastic piece is arranged between the groove and the limiting bolt; a limiting chute extends from the surface of the motor rotor along the direction of the limiting bolt; and the fast-assembly mechanism is provided with a sliding block which can be matched with the bottom of the limiting sliding groove in a limiting mode, and the fast-assembly mechanism moves up and down along the limiting sliding groove of the motor rotor to adjust the mass center position of the fast-assembly mechanism. According to the utility model, the mass center positions of the quick mounting mechanism and the corresponding camera can be adjusted, so that the balance can be quickly adjusted when the cradle head is matched with different cameras, and the limiting device or the cradle head can be matched with the cameras with different sizes for use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a holder technology field especially a limiting device and holder. BACKGROUND

[0002] Some holders in prior art are often connected with quick mounting devices, the quick mounting devices are used for mounting shooting equipment, the quick mounting device in prior art, including bottom plate and quick mounting plate, quick mounting plate and bottom plate are matched through protrusion and recess, prevent quick mounting plate from falling off from bottom plate, the quick mounting device of this structure aims at when quick mounting plate and bottom plate assemble, can mutually cooperate, prevent quick mounting plate from falling off, because different size cameras, different mass center, when assembling to quick mounting mechanism, the mass center of whole is also not same, adopts prior quick mounting device, the adjustment range of mass center balance is wide, the time needed for adjusting balance is long, when replacing different cameras to match quick mounting device, cannot quickly adjust balance, thereby limit the use type of camera mounted on quick mounting plate, reduce user experience.

[0003] Therefore, a limiting device and holder are needed to solve the above problems. SUMMARY

[0004] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0005] A limiting device, including motor and quick mounting mechanism, the motor includes motor rotor and motor stator, the motor rotor and the motor stator are rotationally connected;A recess is arranged on the motor rotor, a limiting bolt and an elastic member are arranged in the recess, one end of the limiting bolt protrudes from the surface of the motor rotor, and the elastic member is arranged between the recess and the limiting bolt;The surface of the motor rotor extends a limiting sliding groove along the direction of the limiting bolt;The quick mounting mechanism has a sliding block capable of being limitedly matched with the bottom of the limiting sliding groove, the quick mounting mechanism moves up and down along the limiting sliding groove of the motor rotor, and the mass center position of the quick mounting mechanism is adjusted.

[0006] Preferably, the limiting sliding groove includes a first sliding groove and a second sliding groove, the first sliding groove is arranged close to the limiting bolt, and the second sliding groove is arranged away from the limiting bolt, and the width of the first sliding groove is greater than that of the second sliding groove.

[0007] Preferably, the end of the limiting bolt is a beveled structure relative to the side of the sliding block sliding into the sliding groove.

[0008] Preferably, a third sliding groove is arranged on the motor rotor;The third sliding groove is communicated with the recess, one end of an unlocking member is connected with the limiting bolt, and the other end is movably arranged outside the third sliding groove through the third sliding groove;The unlocking member is used to drive the limiting bolt to move relative to the recess;When the quick mounting mechanism is disassembled, the limiting bolt is moved along the recess inside through the operation of the unlocking member.

[0009] Preferably, the elastic member is a spring.

[0010] Preferably, the limiting bolt is integrally formed with the unlocking piece.

[0011] Preferably, the motor rotor comprises a receiving cavity, a PCBA board is arranged in the receiving cavity, the PCBA board is electrically connected with an external electronic device, and is used for expanding the external electronic device.

[0012] Preferably, the limiting bolt has a concave groove, and the PCBA board is arranged in the concave groove.

[0013] Preferably, the receiving cavity has a bottom plate and a cover plate, the bottom plate and the cover plate are connected through a screw, the PCBA board has a through hole, and the screw passes through the through hole and is connected with the bottom plate.

[0014] A gimbal comprises the limiting device, and a motor is connected with another motor through a connecting arm.

[0015] Thanks to the above technical scheme, the present application has the following technical progress compared with the prior art:

[0016] On one hand, the limiting bolt limits the adjustment range of the quick mounting mechanism on the motor rotor, so that the quick mounting mechanism and the corresponding camera can be quickly adjusted to the center of mass position, thereby enabling the gimbal to quickly adjust the balance when being matched with different cameras. On the other hand, the limiting bolt limits the limit position of the quick mounting mechanism, thereby preventing the quick mounting mechanism from falling off the motor rotor. Therefore, the limiting device or the gimbal can be matched with cameras of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description.

[0018] Fig. 1 Fig. 1 is a structural schematic view of the limiting device of the present application;

[0019] Fig. 2 Fig. 2 is a schematic view of the limiting device of the present application;

[0020] Fig. 3 Fig. 3 is an exploded structural schematic view of the limiting device of the present application.

[0021] Main element symbol explanation: 1, quick mounting mechanism; 2, motor; 3, limiting bolt; 4, elastic piece; 5, motor rotor; 20, motor stator; 51, groove; 52, limiting sliding groove; 9, locking structure; 54, third sliding groove; 55, unlocking piece; 53, containing cavity; 6, PCBA board; 7, cover plate; 8, connecting arm; 61, through hole; 521, first sliding groove; 522, second sliding groove.

[0022] The following detailed description will further illustrate the present application with reference to the above-mentioned drawings DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The terms "first", "second", and the like in the specification of the present application, the claims and the above-mentioned drawings are used to distinguish different objects and are not used to describe a specific order. In addition, the terms "comprise" and "have" and any variations thereof, such as a process, method, system, product or device comprising a series of steps or units, are not limited to the listed steps or units, but optionally also include steps or units not listed, or optionally also include other steps or units inherent to the process, method, product or device.

[0024] In this document, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The phrase appears in the specification does not necessarily refer to the same embodiment, nor is it independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] Please refer to Figs. 1-3The utility model discloses an embodiment provides a limiting device, including motor 2 and quick -mounting mechanism 1, motor 2 includes motor rotor 5 and motor stator 20, and motor rotor 5 and motor stator 20 rotationally connected, be equipped with recess 51 on motor rotor 5, be equipped with limiting bolt 3 and elastic part 4 in recess 51, and one end of limiting bolt 3 protrudes on the surface of motor rotor 5, and elastic part 4 is arranged between recess 51 and limiting bolt 3, the surface of motor rotor 5 extends a limit sliding slot 52 along the direction of limiting bolt 3, quick -mounting mechanism 1 has the sliding block that can with the bottom of limit sliding slot 52 limit matching, and quick -mounting mechanism 1 moves along the up and down position of limit sliding slot 52 of motor rotor 5, adjusts the mass center position of quick -mounting mechanism 1.

[0026] Due to the different sizes of the camera, the mass center is different, when assembled to quick -mounting mechanism 1, the mass center of the whole is also different, by the up and down position movement adjustment of quick -mounting mechanism 1 on motor rotor 5, the mass center position of quick -mounting mechanism 5 and corresponding camera can be adjusted, so that the gimbal can quickly adjust the balance when matching different cameras. Thus realize a gimbal to match different size camera use.

[0027] Meanwhile, the limit sliding slot 52 is arranged on the motor rotor 5 and can be used as the anti -fall mechanism of quick -mounting mechanism 1, which avoids the quick -mounting mechanism 1 from slipping off the limit sliding slot 52, thereby simplifying the mechanical structure of the quick -mounting mechanism 1. When the motor rotor is adapted to different quick -mounting mechanisms 1, it can quickly install and adjust the shooting position.

[0028] In an embodiment of the utility model, the limit sliding slot 52 includes a first sliding slot 521 and a second sliding slot 522, the first sliding slot 521 is arranged close to the limiting bolt 3, the second sliding slot 522 is arranged away from the limiting bolt 3, the width of the first sliding slot 521 is greater than the width of the second sliding slot 522, so that the quick -mounting mechanism 1 can quickly enter the limit sliding slot 52 when sliding into the first sliding slot 521 from the limiting bolt 3, and the quick -mounting mechanism 1 can be quickly taken out from the first sliding slot 521 when taking it out, when sliding to the second sliding slot 522, the width becomes smaller, which can more effectively limit the quick -mounting mechanism 1 from slipping off, and the end face of the second sliding slot 522 plays the role of anti -slipping.

[0029] The end of the limiting bolt 3 is exposed outside the motor rotor 5 for limiting. The end of the limiting bolt 3 is inclined on the side where the sliding block slides into the sliding slot 52, when the quick -mounting mechanism 1 is installed, the sliding block of the quick -mounting mechanism 1 presses the end, the limiting bolt 3 moves along the recess 51, the limiting bolt 3 compresses the elastic part 4, when the sliding block of the quick -mounting mechanism 1 slides into the sliding slot 52, the pressure on the limiting bolt 3 is released, the elastic part 4 restores the elastic force, the limiting bolt 3 limits the end of the quick -mounting mechanism 1, so that the quick -mounting mechanism 1 can slide in the limit sliding slot 52, and when sliding to a certain position, the quick -mounting mechanism 1 and the motor rotor 5 are locked by the locking structure 9. The locking structure 9 is prior art.

[0030] In an embodiment of the utility model, motor rotor 5 is equipped with third sliding groove 54, third sliding groove 54 is communicated with recess 51, and one end of unlocking piece 55 is connected with limiting bolt 3, and the other end is movably passed through third sliding groove 54 and is arranged outside third sliding groove 54, unlocking piece 55 is used to drive limiting bolt 3 to move relative to recess 51, when quick mounting mechanism 1 is disassembled, limiting bolt 3 is driven to move along recess 51 inside by operating unlocking piece 55, makes the slider of quick mounting mechanism 1 slide out of limiting sliding slot 52, and the disassembly of quick mounting mechanism 1 is convenient.

[0031] In an embodiment of the utility model, the elastic member 4 is a spring.

[0032] In an embodiment of the utility model, the limiting bolt 3 is integrally formed with the unlocking piece 55.

[0033] In an embodiment of the utility model, the motor rotor 5 includes a receiving cavity 53, the receiving cavity 53 is provided with a PCBA board 6, the PCBA board 6 is electrically connected with an external electronic device, and is used for expanding the external electronic device or charging a shooting device mounted on the quick mounting mechanism 1. The external electronic device can be a camera, a focusing device, etc.

[0034] In an embodiment of the utility model, the limiting bolt 3 has a concave groove, and the concave groove is used for locating the PCBA board 6.

[0035] The thickness of the PCBA board 6 is arranged between the concave grooves, which can reduce the overall thickness of the motor rotor 5, and the limiting bolt 3 will not touch the PCBA board 6 when moving, thereby reducing the volume of the motor 2.

[0036] In an embodiment of the utility model, the receiving cavity 53 has a bottom plate 531 and a cover plate 7, the bottom plate 531 and the cover plate 7 are connected by screws, the PCBA board 6 has a through hole 61, and the screws pass through the through hole 61 to connect the bottom plate 531 and the cover plate 7.

[0037] A gimbal includes the above-mentioned limiting device, and the motor 2 is connected with another motor through a connecting arm 8.

[0038] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A position limiting device, characterized by: The motor (2) comprises a motor rotor (5) and a motor stator (20), and the motor rotor (5) and the motor stator (20) are rotationally connected; the motor rotor (5) is provided with a recess (51), the recess (51) is provided with a limiting bolt (3) and an elastic element (4), one end of the limiting bolt (3) protrudes from the surface of the motor rotor (5), and the elastic element (4) is arranged between the recess (51) and the limiting bolt (3); the surface of the motor rotor (5) extends a limiting sliding groove (52) in the direction of the limiting bolt (3); the quick mounting mechanism (1) has a sliding block capable of being limitedly matched with the bottom of the limiting sliding groove (52), the quick mounting mechanism (1) moves up and down along the limiting sliding groove (52) of the motor rotor (5), and the mass center position of the quick mounting mechanism (1) is adjusted.

2. The position-limiting device of claim 1, wherein: The end of the limiting bolt (3) is inclined to the side where the sliding block slides into the sliding groove.

3. The position-limiting device of claim 2, wherein: The motor rotor (5) is provided with a third sliding groove (54); the third sliding groove (54) is communicated with the recess (51), the limiting bolt (3) is connected with an unlocking element (55), the unlocking element (55) is movably arranged through the third sliding groove (54) and arranged outside the third sliding groove (54); the unlocking element (55) is used for driving the limiting bolt (3) to move relative to the recess (51); when the quick mounting mechanism (1) is disassembled, the limiting bolt (3) is driven to move along the recess (51) by operating the unlocking element (55).

4. The position-limiting device of claim 3, wherein: The motor rotor (5) comprises a containing cavity (53), the containing cavity (53) is provided with a PCBA board (6), the PCBA board (6) is electrically connected with an external electronic device, and is used for expanding the external electronic device.

5. The position-limiting device of claim 4, wherein: The limiting bolt (3) has a concave groove for locating the PCBA board (6).

6. The position-limiting device of claim 5, wherein: The containing cavity (53) has a bottom plate and a cover plate (7), the bottom plate and the cover plate (7) are connected by screws, the PCBA board (6) has a through hole (61), and the screws pass through the through hole (61) and are connected with the bottom plate.

7. The position-limiting device of claim 6, wherein: The limiting bolt (3) and the unlocking element (55) are integrally formed.

8. The position-limiting device of claim 1, wherein: The elastic element (4) is a spring.

9. A gimbal, comprising: The limiting device comprises the motor (2) connected with another motor (2) through a connecting arm (8).

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