CN216345040U

CN216345040U - Cloud platform device and handheld stabilizer

Info

Publication number: CN216345040U
Application number: CN202122779793.XU
Authority: CN
Inventors: 王兴
Original assignee: Weipai Precision Mould Shenzhen Co ltd
Current assignee: Weipai Precision Mould Shenzhen Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-19
Anticipated expiration: 2031-11-12

Abstract

The utility model provides a holder device and a handheld stabilizer.A friction brake device is arranged on one of a connecting arm and a clamping device, and an abutting part is arranged on the other connecting arm; when the friction brake device is arranged to abut against the abutting part, the friction force between the friction brake device and the abutting part can position the clamping device so as to prevent the clamping device from freely rotating, and when the clamping device is forcibly rotated by external force, the abutting part can slip relative to the friction brake device; when the friction brake device is separated from the abutting part, the clamping device can be unlocked and can rotate freely. Above-mentioned structure is owing to be realized through the frictional force that rubs between device and the butt portion of stopping when the locking, therefore can not die clamping device lock, and when external force forced rotation clamping device, butt portion can rub the device of stopping relatively and skid the meeting, and this can not cause locking structure's permanent destruction, has improved cloud platform device's life and use experience, even the maloperation rotates clamping device when the locking and also can not cause the damage to relevant locking structure.

Description

Cloud platform device and handheld stabilizer

Technical Field

The utility model belongs to the field of holder devices, and particularly relates to a holder device and a handheld stabilizer.

Background

The handheld stabilizer (single-shaft holder or multi-shaft holder) mainly comprises a handle, a holder device, a remote controller and the like, wherein the holder device is a supporting device applied to installation and fixation of shooting devices such as mobile phones and cameras, can sense the shooting angle and motion by utilizing an electronic accelerometer and a gyro sensor, and is directly driven by a motor to achieve the effect of real-time correction and stability enhancement.

The rotation of cloud platform device passes through motor drive, and when the battery power of motor was sufficient, the shooting device can remain stable at the angle of setting for, but when the battery power was not enough, the cloud platform device lost drive power or drive power not enough, and at this moment, received the influence of shooting device gravity, the cloud platform can deflect with the shooting device on it, can't keep at required shooting angle. For solving above-mentioned problem, the locking of cloud platform is realized through bolt class or gear buckle class structure mostly to current cloud platform, and this type of structure can be dead with the cloud platform lock when locking, rotates the cloud platform this moment and can cause locking structure's permanent destruction, therefore current cloud platform structure still needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a holder device and a holder device with the same, and aims to solve the problems that a locking structure of the holder device in the prior art can lock a holder when being locked, and the permanent damage of the locking structure can be caused by rotating the holder.

The present invention is achieved as described above, and provides a pan/tilt apparatus, including:

the connecting device comprises a connecting arm and a motor;

the clamping device is used for clamping the shooting equipment, and the motor is arranged between the clamping device and the connecting arm and can drive the clamping device to rotate relative to the connecting arm;

one of the connecting arm and the clamping device is provided with a friction brake device, and the other one is provided with a butting part;

wherein the friction brake device has a first state and a second state relative to the abutting part; in the first state, the friction brake device abuts against the abutting part, the clamping device can be positioned by the friction force between the friction brake device and the abutting part so as to prevent the free rotation of the clamping device, and the abutting part can slip relative to the friction brake device when the clamping device is forcibly rotated by external force; in the second state, the friction brake device is separated from the abutting part so as to unlock the clamping device, and the clamping device can rotate freely.

Further, the friction brake device comprises an operating mechanism and a friction brake piece in friction contact with the abutting portion, the operating mechanism can be driven by external force to move the friction brake piece, so that the friction brake piece is abutted against the abutting portion or switched between states separated from the abutting portion.

Furthermore, one of the clamping device and the connecting arm, which is provided with the friction brake device, is provided with a connecting shaft, and the other is provided with a sleeve; the sleeve is sleeved outside the connecting shaft and can rotate relative to the connecting shaft, and the abutting part is arranged on the outer surface of the sleeve.

Furthermore, the butt joint portion is located the outer face of cylinder of sleeve one end, the piece of rubbing to brake is close to telescopic one end is equipped with and can support tightly the brake portion of outer face of cylinder.

Furthermore, the brake part includes two symmetrical micro-bullet extension ears that set up, two micro-bullet extension ears orientation telescopic one side is the convex cylinder of indent, just telescopic outer cylindrical surface's camber is less than the camber of the convex cylinder of indent.

Furthermore, friction pads for increasing the friction coefficient are arranged on one or both of two contact surfaces of the friction brake piece, which are in contact with the abutting part.

Furthermore, the operating mechanism comprises a movable pushing piece and a toggling piece for driving the pushing piece to move, and the friction brake piece is abutted against the pushing piece; when the poking piece drives the ejecting piece to move, the ejecting piece can push the friction brake piece to tightly abut against the abutting portion.

Furthermore, a boss is arranged on the side surface of the ejector, facing the friction brake piece, and a notch is formed in one end, abutted against the ejector, of the friction brake piece; the pushing piece faces to the side face of the friction brake piece and is a curved surface which is used for pushing the friction brake piece to gradually move towards the abutting part in the process that the boss moves along with the pushing piece and moves close to and close to the notch; when the boss is clamped into the notch, the friction brake piece is positioned and tightly abutted to the abutting part.

Further, the friction brake device and the connecting shaft are arranged on the connecting arm, and the sleeve is arranged on the clamping device; the rotor of the motor is mounted on the connecting arm, and the stator of the motor is mounted on the clamping device.

Further, the stator of motor install in the outside of telescopic is and be located the inboard of the rotor of motor, the side of the rotor of motor and stator is stretched out to the telescopic free end, butt portion set up in stretch out the surface of the free end of the side of the rotor of motor and stator, the piece of braking of rubbing is located the side of the rotor of motor and stator.

Furthermore, a first cavity and a second cavity are arranged on the connecting arm, a gap is arranged on the cavity wall separating the first cavity from the second cavity, and a rotor of the motor is arranged in the first cavity; the friction brake piece penetrates through the notch, one end of the friction brake piece is located in the first cavity, and the other end of the friction brake piece is located in the second cavity.

Further, first chamber is including being close to clamping device's first sub-chamber and keeping away from clamping device's second sub-chamber, the internal diameter of second sub-chamber is less than the internal diameter of first sub-chamber, the rotor of motor install in first sub-chamber, telescopic free end stretches into the second sub-chamber, the piece of brakeing is close to telescopic one end is located the second sub-chamber.

Furthermore, the connecting arm is provided with a one-way positioning structure, and the one-way positioning structure only allows the friction brake piece to move in a direction close to or far away from the abutting part, and limits the friction brake piece to move in other directions.

Further, one-way location structure is the guide way, the guide way is followed it is close to or keeps away from to rub the piece of stopping the direction that butt portion removed extends, rub the piece of stopping set up in the guide way.

Further, one-way location structure is the guide post, it is equipped with the edge to rub to stop on the piece rub the piece of stopping is close to or keeps away from the spout that the direction that butt portion removed extends, the guide post is located in the spout.

Further, still include the elastic component piece that resets, the elastic component piece that resets connect with rub between piece and the linking arm of stopping for provide rub the piece of stopping keep away from the elasticity that resets that the butt portion removed.

Further, elasticity resets and is the elastic arm, the first end of elastic arm is connected rub the piece of stopping, the second end is connected the linking arm be equipped with the kink between first end and the second end, the kink is in rub the piece orientation of stopping take place elastic deformation when butt portion removes to form and can promote rub the piece of stopping and keep away from the elastic potential energy that butt portion removed.

Furthermore, the elastic reset piece is a compression spring, the friction brake piece is provided with a spring storage groove, the connecting arm is provided with a spring support platform, and the spring support platform extends into the spring storage groove and is positioned at one end of the spring storage groove close to the abutting part; the compression spring is arranged in the spring storage groove, one end of the compression spring is abutted against the spring abutting table, and the other end of the compression spring is abutted against one end, close to the operating mechanism, of the spring storage groove.

Furthermore, one of the clamping device and the connecting arm, which is provided with the friction brake device, is provided with a connecting shaft, the other one of the clamping device and the connecting arm is provided with a sleeve, the sleeve is sleeved outside the connecting shaft so as to realize the relative rotation of the clamping device and the connecting arm, the sleeve is provided with a shell on the other one of the sleeve, and the abutting part is arranged on the shell.

The utility model also provides a handheld stabilizer, which comprises a handle and the holder device, wherein the connecting arm of the holder device is rotatably connected with the handle.

Compared with the prior art, the utility model has the beneficial effects that: the friction brake device is arranged on one of the connecting arm and the clamping device, and the abutting part is arranged on the other connecting arm and the clamping device; the friction brake device is arranged to have a first state and a second state relative to the abutting part; in the first state, the friction brake device abuts against the abutting part, the clamping device can be positioned by the friction force between the friction brake device and the abutting part so as to prevent the free rotation of the clamping device, and the abutting part can slip relative to the friction brake device when the clamping device is forcibly rotated by external force; in the second state, the friction brake device is separated from the abutting part so as to unlock the clamping device, and the clamping device can rotate freely. Above-mentioned structure is owing to be realized through the frictional force between the device of stopping and the butt portion of rubbing when the locking, therefore can not die clamping device lock, and when external force forced rotation clamping device, butt portion can be relative the device of stopping of rubbing skids can, and this can not cause locking structure's permanent destruction, has improved cloud platform device's life and use experience, even the maloperation rotates clamping device when the locking and also can not cause the damage to relevant locking structure.

Drawings

Fig. 1 is a schematic perspective structure view of a pan-tilt apparatus provided in an embodiment of the present invention;

fig. 2 is an internal structural schematic diagram of an unlocked state of a pan/tilt apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a locking state of a pan/tilt head apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic plan view of an operating mechanism provided in an embodiment of the present invention;

FIG. 5 is a schematic structural view of the friction brake piece separated from the abutting portion according to the embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure diagram of a holder device provided in an embodiment of the present invention;

fig. 7 is an exploded view of a pan/tilt head device according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a clamping device and a friction brake device according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a connecting arm provided in an embodiment of the present invention;

FIG. 10 is an exploded view of a linking arm provided by an embodiment of the present invention;

fig. 11 is a schematic perspective view of a handheld stabilizer according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the head device of the present invention includes a connecting device 10 and a holding device 20. The connecting device 10 comprises a connecting arm 11 and a motor 12; the clamping device 20 is used for clamping the shooting device, the motor 12 is arranged between the clamping device 20 and the connecting arm 11 and can drive the clamping device 20 to rotate relative to the connecting arm 11 (the motor 12 can be a common motor 12 with a shell, a stator 121 and a rotor 122 are arranged in the shell and an output shaft is arranged in the shell, or the shell can be formed by structures on the clamping device 20 and the connecting arm 11, one of the stator 121 and the rotor 122 is fixed with the shell formed by the clamping device 20, and the other is fixed with the shell formed by the connecting arm 11 to form the motor 12); one of the connecting arm 11 and the clamping device 20 is provided with a friction brake device 30, and the other is provided with an abutting part 40; wherein the friction brake device 30 has a first state and a second state relative to the abutment portion 40; in the first state, the friction brake device 30 abuts against the abutting part 40, the friction force between the friction brake device 30 and the abutting part 40 can position the clamping device 20 to prevent the free rotation of the clamping device 20, and the abutting part 40 can slip relative to the friction brake device 30 when the clamping device 20 is forcibly rotated by external force; in the second state, the friction brake device 30 is separated from the abutting portion 40 to unlock the clamping device 20, and the clamping device 20 can rotate freely. By providing the friction brake device 30 on one of the connecting arm 11 and the clamping device 20 and the abutment portion 40 on the other; the friction brake device 30 is set to have a first state and a second state relative to the abutting part 40; in the first state, the friction brake device 30 abuts against the abutting part 40, the friction force between the friction brake device 30 and the abutting part 40 can position the clamping device 20 to prevent the free rotation of the clamping device 20, and the abutting part 40 can slip relative to the friction brake device 30 when the clamping device 20 is forcibly rotated by external force; in the second state, the friction brake device 30 is separated from the abutting portion 40 to unlock the clamping device 20, and the clamping device 20 can rotate freely. The above structure is realized by the friction force between the friction brake device 30 and the abutting part 40 when locking, so that the clamping device 20 is not locked, the clamping device 20 can be positioned at any angle, and the stepless adjustment of the positioning angle of the clamping device 20 is realized. When the clamping device 20 is forcibly rotated by external force, the abutting part 40 can slip relative to the friction brake device 30, so that the permanent damage of the locking structure can not be caused, the service life and the use experience of the holder device are improved, and the related locking structure can not be damaged even if the clamping device 20 is rotated by misoperation during locking.

As shown in fig. 1 to 6, in some embodiments, the friction brake device 30 includes an operating mechanism 31 and a friction brake 32 for making frictional contact with the abutting portion 40, and an external force moving the operating mechanism 31 can drive the friction brake 32 to move, so that the friction brake 32 is switched between a state of abutting against the abutting portion 40 or a state of being separated from the abutting portion 40. In some embodiments, the operating mechanism 31 includes a movable pushing member 311 and a toggle member 312 for moving the pushing member 311, and the friction brake member 32 abuts against the pushing member 311; when the toggle element 312 drives the pushing element 311 to move, the pushing element 311 can push the friction brake element 32 to abut against the abutting portion 40. Preferably, a boss 3111 is arranged on the side surface of the ejector 311 facing the friction brake piece 32, and a notch 321 is arranged at one end of the friction brake piece 32 abutting against the ejector 311; the side surface of the ejector 311 facing the friction brake 32 is provided with a curved surface for gradually pushing the friction brake 32 to move towards the abutting part 40 in the process that the boss 3111 moves closer to the notch 321 along with the movement of the ejector 311; when the boss 3111 is snapped into the notch 321, the friction brake 32 is positioned and pressed against the abutting portion 40. In some embodiments, the toggle member 312 is disposed outside the housing of the connecting arm 11 or the clamping device 20, the toggle member 312 has a rotating shaft 3121 at one end thereof and a connecting shaft 3122 at the other end thereof, the connecting shaft 3122 is connected to the ejector 311, and when the toggle member 312 is toggled by external force to reciprocate on the housing around the rotating shaft 3121, the ejector 311 also synchronously swings back and forth inside the housing. Therefore, the pushing piece 311 faces the side surface of the friction brake piece 32, so that the friction brake piece 32 can be pushed to move towards the abutting part 40 in the process of moving the pushing piece 311 back and forth, and the clamping device 20 can be positioned through friction force.

As shown in fig. 6 and 7, in some embodiments, one of the clamping device 20 and the connecting arm 11, which is provided with the friction brake device 30, is provided with the connecting shaft 13, and the other is provided with the sleeve 23; the sleeve 23 is sleeved outside the connecting shaft 13 and can rotate relative to the connecting shaft 13, and the abutting portion 40 is arranged on the outer surface of the sleeve 23. Preferably, a bearing 50 is disposed between the sleeve 23 and the connecting shaft 13 to reduce the frictional resistance when the sleeve and the connecting shaft rotate. In the above embodiment, the abutting portion 40 is an outer cylindrical surface provided at one end of the sleeve 23, and the end of the friction brake 32 close to the sleeve 23 is provided with a brake portion 322 capable of tightly abutting against the outer cylindrical surface. Because the sleeve 23 is close to the connecting shaft 13, the abutting part 40 is arranged on the outer cylindrical surface at one end of the sleeve 23, so that the overall structure of the holder device is more compact, the overall size of the holder device is reduced, and the holder device is convenient to carry.

As shown in fig. 5 and 7, in some embodiments, the brake portion 322 includes two symmetrically disposed micro-spring extension ears 3221, one surface of the two micro-spring extension ears 3221 facing the sleeve 23 is an inwardly concave circular cylindrical surface, and a curvature of an outer cylindrical surface of the sleeve 23 is slightly smaller than a curvature of the inwardly concave circular cylindrical surface (that is, a curvature radius R1 of the outer cylindrical surface of the sleeve 23 is greater than a curvature radius R2 of the inwardly concave circular cylindrical surface formed by the two micro-spring extension ears 3221). Because the curvature of the outer cylindrical surface of the sleeve 23 is smaller than the curvature of the concave arc-shaped cylindrical surface, in the process that the brake part 322 gradually approaches the sleeve 23, the sleeve 23 can reversely press the brake part 322 to enable the two micro-elastic extension ears 3221 to slightly elastically deform and gradually open, finally, the concave arc-shaped cylindrical surface is formed to hold the outer cylindrical surface of the sleeve 23 tightly, so that a good brake effect is achieved, the holding mode not only increases the contact area between the two micro-elastic extension ears 3221, but also further improves the positive pressure between the two contact surfaces through the elasticity of the two micro-elastic extension ears 3221, and therefore the friction force between the two contact surfaces is increased. Further, a friction pad 323 for increasing the friction coefficient is provided on one or both of the contact surfaces of the friction brake 32 with the abutment portion 40. In the illustrated embodiment, the friction pad 323 is disposed on the brake part 322, and the concave circular cylindrical surface is formed on the friction pad 323.

As shown in fig. 6-8, to further illustrate the technical solution of the present invention, the friction brake device 30 and the connecting shaft 13 are disposed on the connecting arm 11, and the sleeve 23 is disposed on the clamping device 20; the rotor 122 of the motor 12 is mounted on the connecting arm 11, and the stator 121 of the motor 12 is mounted on the clamping device 20. Further, the stator 121 of the motor 12 is mounted on the outer side of the sleeve 23 and located on the inner side of the rotor 122 of the motor 12, the free end of the sleeve 23 extends out of the side faces of the rotor 122 and the stator 121 of the motor 12, the abutting portion 40 is disposed on the outer surface of the free end extending out of the side faces of the rotor 122 and the stator 121 of the motor 12, and the friction brake 32 is located on the side faces of the rotor 122 and the stator 121 of the motor 12. Specifically, the clamping device 20 comprises a first clamping piece 24 and a second clamping piece 25 which are oppositely arranged, and a telescopic device 26 for connecting the first clamping piece 24 and the second clamping piece 25, wherein the distance between the first clamping piece 24 and the second clamping piece 25 can be adjusted through the telescopic device 26, so that an elastic clamping space for clamping the shooting device is formed between the first clamping piece 24 and the second clamping piece 25; the telescopic device 26 has a main body 261 and two sets of connecting rods 262 slidably disposed in the main body 261 and respectively extending from two ends of the main body 261, wherein the two sets of connecting rods 262 are respectively connected with the first clamping piece 24 and the second clamping piece 25; the sleeve 23 is integrally formed with the main body 261 of the telescopic device 26, and the length direction of the sleeve 23 is perpendicular to the telescopic direction of the connecting rod 262; further, the main part 261 has an inner cavity 265, be equipped with battery 263 in the inner cavity 265, circuit board 264 isotructure, install in the winding lead-out wire of the stator 121 in the outside of sleeve 23 stretches into inner cavity 265, and in circuit board 264 is connected, install electronic accelerometer and gyro sensor on the circuit board 264, electronic accelerometer and gyro sensor are used for perceiving the angle and the motion of the camera shooting of clamping device 20 to through motor 12 direct drive, reach the effect of increasing steady of real-time correction.

As shown in fig. 6-10, in some embodiments, the connecting arm 11 includes a first arm shell 111 and a second arm shell 112. A first cavity 113 and a second cavity 114 are arranged on the first arm shell 111 of the connecting arm 11, a gap 1151 is arranged on a cavity wall 115 separating the first cavity 113 and the second cavity 114, and the rotor 122 of the motor 12 is installed in the first cavity 113; the friction brake 32 passes through the notch 1151, and has one end located in the first cavity 113 and the other end located in the second cavity 114. Further, the first cavity 113 includes a first sub-cavity 1131 close to the clamping device 20 and a second sub-cavity 1132 far away from the clamping device 20, the inner diameter of the second sub-cavity 1132 is smaller than the inner diameter of the first sub-cavity 1131, the rotor 122 of the motor 12 is installed in the first sub-cavity 1131, the free end of the sleeve 23 extends into the second sub-cavity 1132, the friction brake member 32 is close to one end of the sleeve 23 and is located in the second sub-cavity 1132, that is, the brake portion 322 is located in the second sub-cavity 1132. Above-mentioned structural arrangement for motor 12's structural arrangement is reasonable, compact, rotor 122 in the first sub-chamber 1131 and rotor 122 inboard stator 121 and the brake portion 322 in the second sub-chamber 1132 both close on the setting and have guaranteed the compactedness of structure, belong to two sub-chambers again can not mutual interference.

As shown in fig. 6, 7 and 10, in some embodiments, the connecting arm 11 is provided with a one-way positioning structure, which only allows the friction brake piece 32 to move in a direction close to or far away from the abutting part 40, and limits the friction brake piece 32 to move in other directions. In some embodiments, the one-way positioning structure 116 is a guide slot 116, the guide slot 116 extends along a direction in which the friction brake 32 moves closer to or away from the abutment portion 40, and the friction brake 32 is disposed in the guide slot 116. Specifically, the guide groove 116 is formed by a protruding groove wall 1161 disposed in the first arm casing 111 and a stop 1162 disposed on the second arm casing 112. In other embodiments, the one-way positioning structure 116 is a guiding column (not shown in the drawings), and the friction brake member 32 is provided with a sliding slot (not shown in the drawings) extending along a direction in which the friction brake member 32 moves closer to or away from the abutting portion 40, and the guiding column is located in the sliding slot. The one-way positioning structure can ensure the stability that the piece 32 that rubs moves along being close to or keeping away from the direction of butt portion 40, and long-term use also can keep invariable directional removal effect, can not appear the condition that the piece 32 misplaces that rubs because of collision or mistake fall.

As shown in fig. 2, 3, 5 and 10, in order that the friction brake 32 can automatically move away from the abutting portion 40 (the friction brake 32 is reset) when the clamping device 20 is unlocked, the pan/tilt head device of the present invention further includes an elastic member resetting member, which is connected between the friction brake 32 and the connecting arm 11, and is used for providing a resetting elastic force for moving the friction brake 32 away from the abutting portion 40. In some embodiments, the elastic restoring member is an elastic arm 60, a first end 61 of the elastic arm 60 is connected to the friction brake member 32, a second end 62 is connected to the connecting arm 11, a bending portion 63 is disposed between the first end 61 and the second end 62, and the bending portion 63 is elastically deformed when the friction brake member 32 moves toward the abutting portion 40, so as to form an elastic potential energy capable of pushing the friction brake member 32 to move away from the abutting portion 40. In other embodiments, the elastic restoring member is a compression spring 70, the friction brake member 32 is provided with a spring storage groove 324, the first arm shell 111 of the connecting arm 11 is provided with a spring support 117, and the spring support 117 extends into the spring storage groove 324 and is located at one end of the spring storage groove 324 close to the abutting portion 40; the compression spring 70 is disposed in the spring storage groove 324, and one end of the compression spring abuts against the spring support 117, and the other end abuts against one end of the spring storage groove 324 close to the operating mechanism 31. It should be noted that, in other embodiments, the elastic arm 60 and the compression spring 70 may be provided at the same time, so as to ensure that the friction brake 32 has a better reset effect, and even if one of the elastic arm 60 and the compression spring 70 fails, the friction brake 32 can be normally reset.

In order to achieve the frictional force between the friction brake device 30 and the abutting portion 40 at the locking time, the clamping device 20 is not locked, the clamping device 20 can be positioned at any angle, the positioning angle of the clamping device 20 can be adjusted steplessly, when the clamping device 20 is rotated forcibly by external force, the abutting portion 40 slips against the friction brake device 30, and the abutting portion 40 is not limited to the outer surface of the sleeve 23. For example, in some embodiments, one of the clamping device 20 and the connecting arm 11, which is provided with the friction brake device 30, is provided with the connecting shaft 13, the other is provided with the sleeve 23, the sleeve 23 is sleeved outside the connecting shaft 13 to realize the relative rotation between the clamping device 20 and the connecting arm 11, the one provided with the sleeve 23 is provided with the housing, the abutting portion 40 is provided on the housing, and the clamping device 20 can be positioned when the friction brake element 32 abuts against the housing.

As shown in fig. 11, the handheld stabilizer of the present invention includes a handle 80, and further includes the above-mentioned pan/tilt head device, wherein the connecting arm 11 of the pan/tilt head device is rotatably connected to the handle 80. It should be noted that the connecting arm 11 is rotatably connected to the handle 80, and may be directly rotatably connected or indirectly rotatably connected, for example, by using a telescopic rod.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pan and tilt head device, comprising:

the connecting device comprises a connecting arm and a motor;

2. The holder device according to claim 1, wherein the friction brake device comprises an operating mechanism and a friction brake member in frictional contact with the abutting portion, and external force moving the operating mechanism can drive the friction brake member to move, so that the friction brake member is switched between a state of abutting against the abutting portion or being separated from the abutting portion.

3. A head apparatus according to claim 2, wherein one of said holding means and said connecting arm provided with friction brake means is provided with a connecting shaft, and the other is provided with a sleeve; the sleeve is sleeved outside the connecting shaft and can rotate relative to the connecting shaft, and the abutting part is arranged on the outer surface of the sleeve.

4. A tripod head apparatus according to claim 3, wherein said abutting portion is an outer cylindrical surface provided at one end of said sleeve, and said friction brake member is provided at an end thereof adjacent to said sleeve with a brake portion capable of abutting against said outer cylindrical surface.

5. A tripod head apparatus according to claim 4, wherein said brake portion comprises two symmetrically disposed extension ears, one side of said extension ears facing said sleeve is an inwardly concave circular cylindrical surface, and the curvature of the outer cylindrical surface of said sleeve is smaller than the curvature of said inwardly concave circular cylindrical surface.

6. A head apparatus according to any one of claims 2 to 5, wherein a friction pad for increasing the coefficient of friction is provided on one or both of the contact surfaces of the friction brake member with the abutment portion.

7. A head arrangement according to any one of claims 2 to 5, wherein said operating mechanism comprises a movable ejector member and a toggle member for moving said ejector member, said friction brake member being arranged to abut against said ejector member; when the poking piece drives the ejecting piece to move, the ejecting piece can push the friction brake piece to tightly abut against the abutting portion.

8. The holder device according to claim 7, wherein a projection is provided on a side of the ejector facing the friction brake member, and a recess is provided at an end of the friction brake member abutting against the ejector; the pushing piece faces to the side face of the friction brake piece and is a curved surface which is used for pushing the friction brake piece to gradually move towards the abutting part in the process that the boss moves along with the pushing piece and moves close to and close to the notch; when the boss is clamped into the notch, the friction brake piece is positioned and tightly abutted to the abutting part.

9. A head device according to any one of claims 3 to 5, wherein said friction braking means and said connecting shaft are provided on said connecting arm, said sleeve being provided on said clamping means; the rotor of the motor is mounted on the connecting arm, and the stator of the motor is mounted on the clamping device.

10. A head apparatus according to claim 9, wherein the stator of the motor is mounted on an outer side of the sleeve and is located on an inner side of the rotor of the motor, a free end of the sleeve protrudes out of a side of the rotor and the stator of the motor, the abutment portion is provided on an outer surface of the free end protruding out of the side of the rotor and the stator of the motor, and the friction brake member is located on the side of the rotor and the stator of the motor.

11. A head apparatus according to claim 10, wherein the link arm is provided with a first chamber and a second chamber, a cavity wall separating the first chamber from the second chamber is provided with a gap, and the rotor of the motor is mounted in the first chamber; the friction brake piece penetrates through the notch, one end of the friction brake piece is located in the first cavity, and the other end of the friction brake piece is located in the second cavity.

12. A head apparatus according to claim 11, wherein said first chamber comprises a first sub-chamber adjacent to said holding means and a second sub-chamber remote from said holding means, said second sub-chamber having an inner diameter smaller than that of said first sub-chamber, said motor rotor being mounted in said first sub-chamber, said sleeve having a free end extending into said second sub-chamber, said friction brake member being located in said second sub-chamber at an end thereof adjacent to said sleeve.

13. A tripod head apparatus according to claim 10, wherein said connecting arm is provided with a one-way positioning structure which allows said friction brake member to move only in a direction approaching or separating from said abutment portion, while limiting the movement of said friction brake member in other directions.

14. A tripod head apparatus according to claim 13, wherein said unidirectional positioning structure is a guide slot extending in a direction in which said friction brake member moves closer to or away from said abutment portion, said friction brake member being disposed in said guide slot.

15. A head apparatus according to claim 13, wherein said unidirectional positioning structure is a guide post, said friction brake member is provided with a slide groove extending in a direction in which said friction brake member moves toward or away from said abutting portion, and said guide post is located in said slide groove.

16. A tripod head apparatus according to claim 9, further comprising an elastic member return member, said elastic member return member being connected between said friction brake member and said connecting arm, for providing a return elastic force for said friction brake member to move away from said abutment portion.

17. A tripod head apparatus according to claim 16, wherein said elastic restoring member is an elastic arm, a first end of said elastic arm is connected to said friction brake member, a second end of said elastic arm is connected to said connecting arm, and a bending portion is disposed between said first end and said second end, said bending portion being elastically deformed when said friction brake member moves towards said abutting portion, so as to form an elastic potential energy capable of pushing said friction brake member to move away from said abutting portion.

18. A tripod head apparatus according to claim 16, wherein said elastic return member is a compression spring, said friction brake member is provided with a spring storage slot, said connecting arm is provided with a spring support platform, said spring support platform extends into said spring storage slot and is located at one end of said spring storage slot near said abutting portion; the compression spring is arranged in the spring storage groove, one end of the compression spring is abutted against the spring abutting table, and the other end of the compression spring is abutted against one end, close to the operating mechanism, of the spring storage groove.

19. A tripod head apparatus according to claim 2, wherein one of the clamping device and the connecting arm having the friction brake device is provided with a connecting shaft, and the other is provided with a sleeve, the sleeve is sleeved outside the connecting shaft to realize the relative rotation of the clamping device and the connecting arm, and one of the sleeves is provided with a housing, and the abutting portion is provided with the housing.

20. A hand-held stabilizer comprising a handle, characterized in that it further comprises a head device according to any one of claims 1 to 19, the connecting arm of said head device being rotatably connected to said handle.