CN116357858A - Tripod head device capable of switching rotation modes and photographic equipment - Google Patents

Abstract

The invention discloses a cradle head device capable of switching rotation modes and photographic equipment, comprising: the ball head connecting rod is provided with a ball head part and a connecting rod part, the surface of the ball head part is provided with a circle of first annular groove and/or second annular groove, the centers of the first annular groove and the second annular groove are coincided with the sphere center of the ball head part, the center of the first annular groove is positioned on the axis of the connecting rod part, and the second annular groove is orthogonal with the first annular groove; the installation seat is internally provided with a spherical cavity, the installation seat is provided with a telescopic guide component which can be elastically abutted to the first annular groove or the second annular groove, the telescopic guide component can move along the extending direction of the first annular groove or the second annular groove to limit the rotation of the ball head connecting rod relative to the installation seat, and the telescopic guide component can be separated from the ball head part to enable the ball head connecting rod to rotate freely. The cradle head device and the photographic equipment can realize the functions of universal rotation, rotation around a vertical axis, rotation around a horizontal axis and the like, and the application range is expanded.

Description

Tripod head device capable of switching rotation modes and photographic equipment

Technical Field

The invention relates to the technical field of photographic equipment, in particular to a cradle head device capable of switching rotation modes and photographic equipment.

Background

In photographing or projection, a holder device is often used to fix external devices such as a camera or a projector, and in order to adjust the direction of photographing or projection, a holder device with a universal ball is generally provided to adjust the angular position.

Although the universal ball head can realize any angle adjustment, the universal ball head cannot be realized when a user wants to rotate the external device on a certain horizontal plane or a certain vertical plane to meet the use requirement. For example, when the imaging device needs to be horizontally deflected or vertically lifted, the rotation in multiple directions is easy to generate due to the rotation of the cradle head relative to the universal ball head, so that the imaging device cannot be guaranteed to only horizontally rotate or vertically rotate, and the actual use experience is further affected.

Disclosure of Invention

The invention aims to at least solve one of the technical problems in the prior art, and therefore, one of the purposes of the invention is to provide a tripod head device capable of realizing universal rotation, rotation around a vertical axis and/or rotation around a horizontal axis in a switchable rotation mode, expand the applicable scene of the tripod head device and improve the use experience; the second objective is to provide a camera with the cradle head device capable of switching rotation modes.

According to an embodiment of the first aspect of the present invention, a cradle head device capable of switching rotation modes includes: the ball head connecting rod is provided with a ball head part and a connecting rod part, a circle of first annular grooves and/or a circle of second annular grooves are formed in the surface of the ball head part, the centers of the first annular grooves and the second annular grooves coincide with the ball center of the ball head part, the center of the first annular grooves is positioned on the axis of the connecting rod part, and the second annular grooves are orthogonal with the first annular grooves; the installation seat is internally provided with a spherical cavity for the ball head part to move, the installation seat is provided with a telescopic guide assembly which can be elastically abutted to the first annular groove or the second annular groove, the telescopic guide assembly can move along the extending direction of the first annular groove or the second annular groove so as to limit the ball head connecting rod to rotate relative to the installation seat, and the telescopic guide assembly can be separated from the ball head part so as to enable the ball head connecting rod to rotate freely; the locking assembly is arranged between the ball head connecting rods and used for locking the ball head part to the spherical cavity or unlocking the ball head part to the spherical cavity.

The cradle head device capable of switching the rotation modes has the following advantages:

above cloud platform device is when flexible direction subassembly and first annular groove, the homogeneous phase separation of second annular groove, and the bulb connecting rod can freely rotate in order to realize universal pivoted function relative spherical chamber, when flexible direction subassembly and first annular groove or second annular groove elasticity butt, the rotation angle of bulb connecting rod receives the restriction and only can rotate around vertical axis or rotate around horizontal axis to satisfy different user demands, the application scene of expansion cloud platform device promotes the use experience.

In some embodiments of the present invention, a guide through hole communicated with the spherical cavity is perforated at a side portion of the mounting seat, the telescopic guide assembly includes a connecting piece movably arranged on the mounting seat, a guide post capable of being perforated at the guide through hole is movably arranged on the connecting piece, a first elastic piece is connected between the connecting piece and the guide post, and the first elastic piece is used for driving one end of the guide post to abut against the first annular groove or the second annular groove.

In some embodiments of the present invention, the connecting member includes a rotary handle, a threaded post is disposed at an end of the rotary handle, a threaded hole matched with the threaded post is disposed on a side wall of the mounting seat, the threaded hole communicates with the guide hole, the threaded post is provided with a first channel extending along a length direction of the threaded post, the guide post stretches and moves in the first channel, and the first elastic member is disposed in the first channel to drive the guide post to stretch into the first annular groove or the second annular groove along the guide hole.

In some embodiments of the present invention, two of the turning handles, the guide posts, and the first elastic members are provided, and the two turning handles are symmetrically disposed with respect to an axis of the link portion.

In some embodiments of the present invention, a second elastic member for driving the guide post to retract into the guide perforation is disposed between the guide post and the mounting seat, the connecting member is detachably mounted on the mounting seat, and the elastic coefficient of the first elastic member is greater than that of the second elastic member so that the guide post extends along the guide perforation to abut against the first annular groove or the second annular groove.

In some embodiments of the present invention, an accommodating through hole is concavely formed in an outer peripheral wall of the mounting seat and is communicated with the guiding through hole, an anti-falling member is arranged at one end of the accommodating through hole away from the guiding through hole, the guiding post is provided with a blocking portion opposite to the anti-falling member, the second elastic member is located in the accommodating through hole to drive the blocking portion to abut against the anti-falling member, so that the guiding post is retracted into the guiding through hole, the anti-falling member is provided with a yielding hole for the guiding post to pass through at one end of the guiding post away from the guiding through hole, the connecting member is provided with a guiding channel for the guiding post to stretch into at one end of the guiding post away from the guiding through hole, the first elastic member is arranged in the guiding channel, one end of the first elastic member abuts against the connecting member, and the other end of the first elastic member is provided with a pushing member abutting against the guiding post.

In some embodiments of the present invention, the inner peripheral wall of the relief hole is provided with a threaded hole, the connecting piece is provided with a threaded column matched with the threaded hole, and the guide channel is arranged along the length direction of the threaded column.

In some embodiments of the present invention, the locking assembly includes a threaded ejector rod, where the threaded ejector rod is inserted through the ball head connecting rod, and one end of the threaded ejector rod can protrude from a surface of the ball head portion so as to make the ball head portion tightly prop against an inner wall of the spherical cavity, or retract into an inner portion of the ball head portion so as to make the ball head portion freely rotate relative to the spherical cavity.

According to a second aspect of the present invention, a photographic apparatus includes a cradle head device capable of switching rotation modes as described above.

The photographic equipment provided by the embodiment of the invention has at least the following beneficial effects:

through the structure, the photographic equipment can realize different working modes such as universal rotation, rotation around a vertical axis, rotation around a horizontal axis and the like, thereby being beneficial to expanding the applicable scene of the photographic equipment and improving the use experience.

In some embodiments of the present invention, the photographic apparatus further includes a telescopic rod assembly, the link portion is fixedly disposed at one end of the telescopic rod assembly, and three legs are rotatably disposed at the other end of the telescopic rod assembly, and the legs have an unfolded state and a folded state with respect to the telescopic rod assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic cross-sectional view of an embodiment of a cradle head device with a switchable rotational mode according to the present invention;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view of another embodiment of a cradle head device with a switchable rotational mode according to the present invention;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view showing a photographic apparatus according to an embodiment of the present invention in an unfolded state;

fig. 6 is a schematic view of the embodiment of fig. 5 in a storage state.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.

In the description of the present invention, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 and 2, or referring to fig. 3 and 4, a cradle head device capable of switching rotation modes according to an embodiment of the present invention includes: the ball head connecting rod 100, the ball head connecting rod 100 is provided with a ball head part 110 and a connecting rod part 120, a circle of first annular grooves 111 and/or a circle of second annular grooves 112 are arranged on the surface of the ball head part 110, the centers of the first annular grooves 111 and the second annular grooves 112 coincide with the spherical center of the ball head part 110, the center of the first annular grooves 111 is positioned on the axis of the connecting rod part 120, and the second annular grooves 112 are orthogonal to the first annular grooves 111; the ball-head connecting rod comprises a mounting seat 200, wherein a spherical cavity 210 for the ball head 110 to move is formed in the mounting seat 200, the mounting seat 200 is provided with a telescopic guide assembly 300 which can be elastically abutted against the first annular groove 111 or the second annular groove 112, the telescopic guide assembly 300 can move along the extending direction of the first annular groove 111 or the second annular groove 112 so as to limit the ball-head connecting rod 100 to rotate relative to the mounting seat 200, and the telescopic guide assembly 300 can be separated from the ball head 110 so as to enable the ball-head connecting rod 100 to rotate freely; the locking assembly 400 is disposed between the mounting base 200 and the ball connecting rod 100, and is used for locking the ball head 110 to the spherical cavity 210 or unlocking the ball head 110 to the spherical cavity 210.

Above cloud platform device is when flexible direction subassembly 300 and first annular groove 111, the homogeneous phase separation of second annular groove 112, ball head connecting rod 100 can freely rotate in order to realize universal pivoted function relative spherical cavity 210, when flexible direction subassembly 300 and first annular groove 111 or the elastic butt of second annular groove 112, the rotation angle of ball head connecting rod 100 receives the restriction and only can rotate around vertical axis or rotate around horizontal axis to satisfy different user demands, expand the applicable scene of cloud platform device, promote the use experience.

It should be noted that, in this embodiment, the surface of the ball portion 110 is provided with the first annular groove 111 and the second annular groove 112, so that the pan-tilt device has the functions of universal rotation, vertical axis rotation and rotation around the horizontal axis. Here, the axial direction of the link portion 120 is the direction of the vertical axis. Of course, in other embodiments, the surface of the ball portion 110 may be provided with the first annular groove 111 alone or with the second annular groove 112 alone.

In addition, before the mount 200 is rotated, the locking assembly 400 is used to unlock the ball portion 110 from the spherical cavity 210, when the mount 200 is rotated around the axis of the link portion 120, the telescopic guiding assembly 300 moves along the first annular groove 111, and when the telescopic guiding assembly 300 moves to the intersection of the first annular groove 111 and the second annular groove 112, the telescopic guiding assembly 300 can move along the second annular groove 112, so that the mount 200 can swing up and down, which is particularly beneficial to the image capturing operation.

Referring to fig. 1 and 2, in some embodiments of the present invention, a guide through hole 220 communicating with the spherical cavity 210 is formed in a side portion of the mounting seat 200, the telescopic guide assembly 300 includes a connecting member 310 movably disposed on the mounting seat 200, a guide post 320 capable of being disposed through the guide through hole 220 is movably disposed on the connecting member 310, a first elastic member 330 is connected between the connecting member 310 and the guide post 320, and the first elastic member 330 is used for driving one end of the guide post 320 to abut against the first annular groove 111 or the second annular groove 112. It will be appreciated that the connecting member 310 may be moved relative to the mounting base 200 to enable the guide post 320 to elastically abut against the first annular groove 111 or the second annular groove 112 under the action of the first elastic member 330, or the connecting member 310 may be moved relative to the mounting base 200 to enable the guide post 320 to be far away from the first annular groove 111 or the second annular groove 112, so that the ball portion 110 may freely rotate relative to the spherical cavity 210. It should be noted that, the connector 310 may be movably disposed on the mounting base 200, or the connector 310 may be fixed after being displaced relative to the mounting base 200, or the connector 310 may be detachable from the mounting base 200.

Referring to fig. 1 and 2, in some embodiments of the present invention, the connecting member 310 includes a rotating handle 311, a threaded post 312 is disposed at an end of the rotating handle 311, a threaded hole 230 matched with the threaded post 312 is disposed on a side wall of the mounting base 200, the threaded hole 230 communicates with the guide through hole 220, the threaded post 312 is provided with a first channel 313 extending along a length direction thereof, the guide post 320 moves telescopically in the first channel 313, and a first elastic member 330 is disposed in the first channel 313 to drive the guide post 320 to extend into the first annular groove 111 or the second annular groove 112 along the guide through hole 220. It will be appreciated that when the holder device is required to use the universal rotation function, the threaded post 312 of the rotation handle 311 can be unscrewed from the threaded hole 230, and the guide post 320 can be pulled out of the guide hole 220. When the pan-tilt device needs to use the horizontal rotation and up-and-down swing functions, the threaded post 312 of the rotation handle 311 can be screwed into the threaded hole 230, and the guide post 320 extends into the first annular groove 111 or the second annular groove 112 along the guide through hole 220.

Referring to fig. 1 and 2, in some embodiments of the present invention, in order to improve the stability of the mount 200 in horizontal rotation or up-down swing with respect to the ball-end link 100 and reduce wear of the guide post 320, two rotation handles 311, the guide post 320 and the first elastic member 330 are provided, and the two rotation handles 311 are symmetrically disposed with respect to the axial direction of the link portion 120.

Referring to fig. 3 and 4, in some embodiments of the present invention, a second elastic member 340 is disposed between the guide post 320 and the mounting base 200 to drive the guide post 320 to retract into the guide through hole 220, the connecting member 310 is detachably mounted on the mounting base 200, and the elastic coefficient of the first elastic member 330 is greater than that of the second elastic member 340 so that the guide post 320 protrudes along the guide through hole 220 to abut against the first annular groove 111 or the second annular groove 112. In the above embodiment, after the connecting piece 310 is detached from the mounting base 200, the guide post 320 is still located in the guide through hole 220 of the mounting base 200, and after the connecting piece 310 is reinstalled, the first elastic piece 330 overcomes the elastic force of the second elastic piece 340 to drive the guide post 320 to extend along the guide through hole 220 to abut against the first annular groove 111 or the second annular groove 112, so that the guide post 320 does not need to be inserted into the guide through hole 220 each time, thereby improving the convenience of use.

Referring to fig. 4, in some embodiments of the present invention, an accommodating through hole 240 communicating with the guiding through hole 220 is concavely formed in an outer peripheral wall of the mounting base 200, an anti-falling member 350 is disposed at an end of the accommodating through hole 240 away from the guiding through hole 220, a blocking portion 321 opposite to the anti-falling member 350 is disposed on the guiding post 320, a second elastic member 340 is disposed in the accommodating through hole 240 to drive the blocking portion 321 to abut against the anti-falling member 350, and further retract the guiding post 320 into the guiding through hole 220, the anti-falling member 350 has a yielding hole 351 for allowing an end of the guiding post 320 away from the guiding through hole 220 to pass through, the connecting member 310 is provided with a guiding channel 314 into which an end of the guiding post 320 away from the guiding through hole 220 extends, a first elastic member 330 is disposed in the guiding channel 314, an end of the first elastic member 330 abuts against the connecting member 310, and an urging member 360 abutting against the guiding post 320 is disposed at the other end of the first elastic member 330. It can be appreciated that the second elastic member 340 is in a compressed state when being positioned in the accommodating through hole 240, the second elastic member 340 drives the blocking portion 321 to abut against the anti-falling member 350, and the guiding post 320 does not extend out of the guiding through hole 220, so as not to influence the free rotation of the ball head 110 relative to the mounting seat 200; when the connecting piece 310 is mounted on the mounting seat 200, one end of the guide post 320 away from the guide through hole 220 abuts against the pushing piece 360, the pushing piece 360 overcomes the elastic force of the second elastic piece 340 under the elastic force of the first elastic piece 330 to push the guide post 320 to extend towards the direction of the guide through hole 220, in the process, one end of the guide post 320 away from the guide through hole 220 extends into the guide channel 314, and the blocking portion 321 is slowly away from the anti-drop piece 350.

Referring to fig. 4, in some embodiments of the present invention, in order to simplify the assembly and disassembly structure between the connector 310 and the mounting base 200, the inner circumferential wall of the relief hole 351 is provided with a threaded hole 230, the connector 310 is provided with a threaded post 312 matching with the threaded hole 230, and the guide channel 314 is provided along the length direction of the threaded post 312. The connector 310 is detachably connected to the mount 200 by the engagement of the threaded post 312 and the threaded hole 230.

Referring to fig. 1 or 3, in some embodiments of the present invention, the locking assembly 400 includes a threaded ejector rod penetrating the ball head link 100, and one end of the threaded ejector rod can protrude from the surface of the ball head 110 to press the ball head 110 against the inner wall of the ball cavity 210 or retract into the ball head 110 to freely rotate the ball head 110 with respect to the ball cavity 210. It can be appreciated that when the threaded ejector rod is rotated, the threaded ejector rod moves in a feeding manner relative to the ball head connecting rod 100, and one end of the threaded ejector rod can protrude from the surface of the ball head portion 110 or be accommodated in the ball head portion 110, so that the ball head connecting rod 100 is locked to the spherical cavity 210 or unlocked from the spherical cavity 210.

Referring to fig. 5 and 6, the invention also discloses a photographic apparatus, which comprises the cradle head device capable of switching rotation modes according to any one of the technical schemes. Through the structure, the photographic equipment can realize different working modes such as universal rotation, rotation around a vertical axis, rotation around a horizontal axis and the like, thereby being beneficial to expanding the applicable scene of the photographic equipment and improving the use experience.

Referring to fig. 5 and 6, in some embodiments of the present invention, in order to further expand the use functions of the photographic apparatus, the photographic apparatus further includes a telescopic rod assembly 500, the link portion 120 is fixedly disposed at one end of the telescopic rod assembly 500, and three legs 600 are rotatably disposed at the other end of the telescopic rod assembly 500, and the legs 600 have an unfolded state and a folded state with respect to the telescopic rod assembly 500. When the stand bar 600 is in the unfolded state, the stand bar 600 and the telescopic rod assembly 500 form a photographing bracket, and the length of the telescopic rod assembly 500 is adjustable to adjust the height position of the external equipment; when the stand 600 is in the collapsed state, the entirety of the stand 600 and the telescopic bar assembly 500 may act as a selfie stick.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A cradle head device capable of switching rotation modes, comprising:

the ball head connecting rod (100), the ball head connecting rod (100) is provided with a ball head part (110) and a connecting rod part (120), a circle of first annular grooves (111) and/or a circle of second annular grooves (112) are arranged on the surface of the ball head part (110), the centers of the first annular grooves (111) and the second annular grooves (112) are coincident with the spherical center of the ball head part (110), the center of the first annular grooves (111) is positioned on the axis of the connecting rod part (120), and the second annular grooves (112) are orthogonal with the first annular grooves (111);

the mounting seat (200), a spherical cavity (210) for the ball head part (110) to move is formed in the mounting seat (200), the mounting seat (200) is provided with a telescopic guide assembly (300) which can be elastically abutted to the first annular groove (111) or the second annular groove (112), the telescopic guide assembly (300) can move along the extending direction of the first annular groove (111) or the second annular groove (112) so as to limit the ball head connecting rod (100) to rotate relative to the mounting seat (200), and the telescopic guide assembly (300) can be separated from the ball head part (110) so as to enable the ball head connecting rod (100) to rotate freely;

the locking assembly (400) is arranged between the mounting seat (200) and the ball head connecting rod (100) and is used for locking the ball head part (110) to the spherical cavity (210) or unlocking the ball head part (110) to the spherical cavity (210).

2. The device for changing a rotation mode according to claim 1, wherein,

the side of mount pad (200) wear to be equipped with direction perforation (220) that spherical chamber (210) are linked together, flexible direction subassembly (300) are including movably locating connecting piece (310) of mount pad (200), the activity is equipped with on connecting piece (310) can wear to locate direction post (320) of direction perforation (220), connecting piece (310) with be connected with first elastic component (330) between guide post (320), first elastic component (330) are used for driving one end of guide post (320) support in first annular groove (111) or second annular groove (112).

3. A switchable rotational mode holder device according to claim 2, wherein,

the connecting piece (310) comprises a rotating handle (311), a threaded column (312) is arranged at the end part of the rotating handle (311), a threaded hole (230) matched with the threaded column (312) is formed in the side wall of the mounting seat (200), the threaded hole (230) is communicated with the guide through hole (220), a first channel (313) extending along the length direction of the threaded column (312) is formed in the threaded column, the guide column (320) stretches and moves in the first channel (313), and the first elastic piece (330) is arranged in the first channel (313) to drive the guide column (320) to stretch into the first annular groove (111) or the second annular groove (112) along the guide through hole (220).

4. A holder device capable of switching rotation modes according to claim 3, wherein,

the rotating handles (311), the guide posts (320) and the first elastic pieces (330) are arranged in two, and the two rotating handles (311) are symmetrically arranged relative to the axial direction of the connecting rod part (120).

5. A switchable rotational mode holder device according to claim 2, wherein,

the guide post (320) and the mounting seat (200) are provided with a second elastic piece (340) for driving the guide post (320) to retract into the guide perforation (220), the connecting piece (310) is detachably mounted on the mounting seat (200), and the elastic coefficient of the first elastic piece (330) is larger than that of the second elastic piece (340) so that the guide post (320) extends out along the guide perforation (220) and is propped against the first annular groove (111) or the second annular groove (112).

6. The device for changing a rotation mode according to claim 5, wherein,

the outer peripheral wall of the mounting seat (200) is provided with an accommodating through hole (240) which is communicated with the guide perforation (220) in an inward concave manner, one end of the accommodating through hole (240) away from the guide perforation (220) of the mounting seat (200) is provided with an anti-falling part (350), the guide column (320) is provided with a blocking part (321) opposite to the anti-falling part (350), the second elastic part (340) is positioned in the accommodating through hole (240) to drive the blocking part (321) to abut against the anti-falling part (350) so as to enable the guide column (320) to retract into the guide perforation (220), the anti-falling piece (350) is provided with a yielding hole (351) for the guide post (320) to penetrate through at one end of the guide perforation (220), the connecting piece (310) is provided with a guide channel (314) for the guide post (320) to stretch into at one end of the guide perforation (220), the first elastic piece (330) is arranged in the guide channel (314), one end of the first elastic piece (330) is abutted to the connecting piece (310), and the other end of the first elastic piece (330) is provided with a pushing piece (360) abutted to the guide post (320).

7. The device for changing a rotation mode according to claim 6, wherein,

the inner peripheral wall of the abdication hole (351) is provided with a threaded hole (230), the connecting piece (310) is provided with a threaded column (312) matched with the threaded hole (230), and the guide channel (314) is arranged along the length direction of the threaded column (312).

8. The device for changing a rotation mode according to claim 1, wherein,

the locking assembly (400) comprises a threaded ejector rod, the threaded ejector rod is arranged on the ball head connecting rod (100) in a penetrating mode, one end of the threaded ejector rod can protrude out of the surface of the ball head portion (110) to enable the ball head portion (110) to be tightly propped against the inner wall of the spherical cavity (210) or retract into the ball head portion (110) to enable the ball head portion (110) to freely rotate relative to the spherical cavity (210).

9. A photographic apparatus comprising a rotatable head arrangement as claimed in any one of claims 1 to 8.

10. The device for changing a rotation mode according to claim 9, wherein,

still include telescopic link subassembly (500), connecting rod portion (120) are fixed to be set up the one end of telescopic link subassembly (500), the other end rotation of telescopic link subassembly (500) is provided with three stabilizer blade (600), stabilizer blade (600) are relative telescopic link subassembly (500) have expansion state and receipts folding state.

Images