CN220471216U

CN220471216U - Sphere locking structure

Info

Publication number: CN220471216U
Application number: CN202321777728.6U
Authority: CN
Inventors: 张益泽
Original assignee: Zhongshan Fengyang Technology Co ltd; Zhongshan Sanhe Film And Television Equipment Co ltd
Current assignee: Zhongshan Fengyang Technology Co ltd; Zhongshan Sanhe Film And Television Equipment Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-09
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a sphere locking structure which comprises a sphere, a sphere cover and a knob, wherein the sphere cover is provided with a plurality of movable hooks, the sphere is arranged in the bottom of the sphere cover, the movable hooks are arranged on the outer side of the sphere, the sphere cover is provided with a stud, the knob is internally provided with a driving ring, the stud is in threaded connection with the driving ring, the knob is screwed to drive the sphere cover to move up and down to control the locking or loosening between the movable hooks and the sphere, so that a movable multi-point sphere grabbing structure is realized, the operation is simple, and the structure is more stable.

Description

Sphere locking structure

Technical Field

The utility model relates to the field of photographic equipment, in particular to a sphere locking structure of photographic equipment.

Background

The cradle head of the photographing bracket is a rotary platform arranged at the top of the photographing bracket and used for connecting a camera and controlling the direction of the camera through rotation, a ball body is arranged in the cradle head and is usually called a cradle head ball, the cradle head ball is an important component of the camera cradle head, the cradle head ball mainly plays a role of connecting the camera and the cradle head, free rotation of the camera in the horizontal direction and the vertical direction is realized, the stability of the camera can be kept, a photographing picture is ensured to be smooth and steady, the cradle head ball is usually made of metal or plastic, the cradle head ball has higher wear resistance and corrosion resistance, the weight of the camera can be born and kept stable, and a lifting adjusting screw is usually arranged, so that a user can adjust the pitching angle of the camera through rotating the screw.

The spheroid in the current photographic support cloud platform is through the locking of adjusting screw's precession screwing out regulation spheroid and loosen, outwards unscrew the adjusting screw when camera needs rotation angle of adjustment and loosen the spheroid, and camera can rotation angle of adjustment this moment, inwards precess adjusting screw and spheroid butt fixed spheroid again after adjusting the angle, therefore, the spheroid in the current cloud platform is locking and loosen the operation inconvenient easy not hard up to and adjusting screw can scratch spheroidal surface and lead to influencing the aesthetic property.

Disclosure of Invention

The utility model solves the problem that the locking and releasing structure of the sphere in the existing cradle head is inconvenient to operate.

The technical scheme adopted by the utility model is that the ball locking structure comprises a ball, a ball cover and a knob, wherein the ball cover is provided with a plurality of movable hooks, the ball is arranged in the bottom of the ball cover, the movable hooks are arranged on the outer side of the ball, the ball cover is provided with a stud, the knob is internally provided with a driving ring, the stud is in threaded connection with the driving ring, and the knob is screwed to drive the ball cover to move up and down to control the movable hooks to be locked or unlocked with the ball.

Compared with the prior art, the utility model has the beneficial effects that: the knob is rotated to drive the ball cover to move up and down so as to control the movable hook to lock or unlock the ball, so that a movable multi-point ball grabbing structure is realized, the operation is simple, and the structure is more stable.

Drawings

Fig. 1 is a front view of a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a first embodiment of the present utility model;

FIG. 3 is an exploded view of a first embodiment of the present utility model;

fig. 4 is a front view of a second embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a second embodiment of the present utility model;

FIG. 6 is an exploded view of a second embodiment of the present utility model;

FIG. 7 is a schematic view of a knob according to a second embodiment of the present utility model;

FIG. 8 is an exploded view of the connection between the movable hook and the ball cover of the first and second embodiments of the present utility model;

FIG. 9 is a schematic view showing the connection between the movable hook and the ball cover according to the first and second embodiments of the present utility model;

fig. 10 is a front view of a third embodiment of the present utility model;

fig. 11 is a cross-sectional view of a third embodiment of the present utility model;

fig. 12 is an exploded view of a third embodiment of the present utility model;

FIG. 13 is an exploded view of the ball cover, movable hook and knob of the third embodiment of the utility model;

fig. 14 is a schematic view showing an exploded structure between the auxiliary pad and the movable hook of the sphere of the present utility model.

Reference numerals: a sphere 10; a ball cover 20; a knob 30; a movable hook 40; a stud 21; a drive ring 31; an auxiliary pad 50; a bump structure 51; a groove structure 41; a connection pipe 11; a platen 60; a fixing ring 61; a first roller 42; a connection pin 43; a push block 62; a first moving groove 63; a positioning wall 22; a sliding groove 70; a screw 44; an engagement groove 45; a second roller 46; a mounting groove 80; a positioning groove 81; a pin 47; a return spring 48; a first thread groove 32; a second thread groove 49; a second moving groove 82; the block 401 is moved.

Detailed Description

As shown in fig. 1 to 14, a ball locking structure comprises a ball 10, a ball cover 20 and a knob 30, wherein a mounting groove is formed on the surface of the ball cover 20 facing the ball 10, a plurality of movable hooks 40 are arranged in the ball cover, a stud 21 is arranged on the surface of the ball cover 20 facing the knob 30, an external thread is arranged on the outer surface of the stud 21, a driving ring 31 is arranged in the knob 30, an opening is arranged in the driving ring 31, an internal thread is arranged on the inner side of the opening, the stud 21 of the ball cover 20 is arranged in the opening of the driving ring 31 and is in screwed connection, when the ball cover 10 is arranged in the mounting groove at the bottom of the ball cover 20 in use, the ball cover 20 is driven to move up and down by screwing the knob 30, when the ball cover 20 moves down, the movable hooks 40 are subjected to downward transmission pressure, the movable hooks 40 are inwards retracted and compress the ball 10 to achieve the effect of locking the ball 10, when the ball cover 20 moves up to the outside of the ball 10, and when the movable hooks 40 are released between the ball 10 and the movable hooks 40.

In order to make the locking structure between the movable hook 40 and the ball 10 more stable, an auxiliary pad 50 is disposed on the surface of the ball 10 corresponding to the movable hook 40, a protrusion structure 51 is disposed on the surface of the auxiliary pad 50 facing the movable hook 40, a groove structure 41 is disposed on the surface of the movable hook 40 facing the ball 10, and when the movable hook 40 is folded and locked to the ball 10, the protrusion structure 51 is disposed in the groove structure 41, so that the locking structure between the ball 10 and the movable hook 40 is more stable and the ball 10 is prevented from being scratched.

The bottom end of the sphere 10 is connected to a connecting tube 11, which connecting tube 11 is connected to photographic equipment in use.

As shown in fig. 1 to 3, in the first embodiment of the present application, a pressing plate 60 is disposed between the knob 30 and the ball cover 20, the pressing plate 60 is sleeved on the outer side of the bottom end of the knob 30, a fixing ring 61 is disposed in the pressing plate 60, the outer side of the bottom end of the driving ring 31 is screwed with the central opening of the fixing ring 61, the fixing ring 61 is connected with the pressing plate 60 in a clamping manner, when the knob 30 is rotated to drive the ball cover 20 to move downwards, the driving ring 31 pushes the pressing plate 60 and the fixing ring 61 to move downwards, and when the knob 30 is rotated to drive the ball cover 20 to move upwards, the driving ring 31 drives the pressing plate 60 to move upwards through the fixing ring 61.

The end of the movable hook 40 close to the ball cover 20 is provided with a first roller 42, the first roller 42 is hinged with the movable hook 40 through a connecting pin shaft 43, the pressure plate 60 is provided with a push block 62 corresponding to the movable hook 40, when the pressure plate 60 moves downwards, the push block 62 of the pressure plate 60 is abutted with the first roller 42 of the movable hook 40, the pressure plate 60 pushes the top of the movable hook 40 to move outwards, and the bottom of the movable hook 40 is folded towards the ball 10 to realize a locking function.

The platen 60 is further provided with a plurality of first moving grooves 63, the surface of the ball cover 20 facing the platen 60 is provided with a plurality of positioning walls 22, the positioning walls 22 are arranged in the first moving grooves 63, and when the platen 60 moves up and down, the first moving grooves 63 move up and down outside the positioning walls 22, so that the platen 60 can keep vertical up and down movement without deviation.

As shown in fig. 4 to 7, in a second embodiment of the present application, a plurality of sliding grooves 70 are provided in the knob 30, an H1 end and an H2 end are provided in the sliding grooves 70, the sliding grooves 70 gradually draw together from the H2 end toward the stud 21 along the H1 end direction, one end of the movable hook 40 close to the driving ring 31 is provided with a screw 44 and a clamping groove 45, the screw 44 is provided in the sliding grooves 70, the clamping groove 45 is clamped with the bottom of the knob 30, when the knob 30 is rotated to drive the driving ring 31 to move downward, the screw 44 of the movable hook 40 moves to the H2 end of the sliding groove 70, at this time, the top of the movable hook 40 moves outward, and the bottom of the movable hook 40 moves toward the ball 10 to lock the ball 10, when the knob 30 is rotated to drive the driving ring 31 to move upward, the screw 44 of the movable hook 40 moves toward the H1 end of the sliding groove 70, at this time, the top of the movable hook 40 moves toward the stud 21, and the bottom of the movable hook 40 moves toward the outside of the ball 10 to release the ball 10.

The second roller 46 is sleeved outside the screw 44, the second roller 46 is disposed in the sliding groove 70, and when the screw 44 moves in the sliding groove 70, the second roller 46 contacts with the side wall of the sliding groove 70, so that the knob 30 is smoother when the screw 44 moves outside.

As shown in fig. 8 to 9, in the connection manner between the movable hook 40 and the ball cover 20 in the first embodiment and the second embodiment, the ball cover 20 is provided with a plurality of mounting grooves 80, positioning grooves 81 are provided at both sides of the mounting grooves 80, the movable hook 40 is inserted with the pin shafts 47, both ends of the pin shafts 47 protrude from both sides of the movable hook 40, the movable hook 40 is disposed in the mounting grooves 80, the pin shafts 47 protruding from both sides are disposed in the positioning grooves 81 at both sides, and when the ball cover 20 moves up and down, the movable hook 40 swings around the pin shafts 47 as the axis.

As also shown in fig. 8 to 9, a return spring 48 is provided between the movable hook 40 and the ball cover 20, one end of the return spring 48 is abutted against the side wall of the ball cover 20, the other end of the return spring 48 is abutted against the upper end surface of the movable hook 40, when the driving ring 31 moves downward, the top of the movable hook 40 moves toward the side wall of the ball cover 20, the bottom of the movable hook 40 locks the ball 10, the return spring 47 is contracted, when the driving ring 31 moves upward, the top of the movable hook 40 is pushed to return by the contracted return spring 47, and the release between the bottom of the movable hook 40 and the ball 10 is realized.

As shown in fig. 10 to 13, in a third embodiment of the present application, a first thread groove 32 is formed on a surface of the knob 30 facing the ball cover 20, a second thread groove 49 is formed on a surface of the movable hook 40 facing the knob 30, second moving grooves 82 are formed on both sides of the mounting groove 80 of the ball cover 20, moving blocks 401 are formed on both sides of the movable hook 40, the movable hook 40 is disposed in the mounting groove 80, the moving blocks 401 on both sides are disposed in the second moving grooves 82 on both sides, the second thread groove 49 of the movable hook 40 is in threaded connection with the first thread groove 32 of the knob 30, in use, the knob 30 is rotated to be in threaded connection with the movable hook 40, the movable hook 40 reciprocates in the mounting groove 80 to be released and locked with the ball 10, and when the knob 30 moves downward, the movable hook 40 moves to be locked with the ball 10 by being in threaded with the knob 30 to be released with the movable hook 40 moving outwards with the knob 30.

In summary, according to the sphere locking structure of the present utility model, the knob 30 is turned to drive the sphere cover 20 to move up and down, so as to control the movable hook 40 to lock or unlock the sphere 10, thereby realizing a movable multi-point sphere grabbing structure, with simple operation and more stable structure.

Claims

1. A sphere locking structure which is characterized in that: including spheroid (10), spherical cap (20) and knob (30), wherein, this spherical cap (20) is equipped with a plurality of movable hooks (40), this spheroid (10) are located in this spherical cap (20) bottom, this movable hooks (40) are located this spheroid (10) outside, this spherical cap (20) are equipped with double-screw bolt (21), be equipped with drive ring (31) in this knob (30), this double-screw bolt (21) and this drive ring (31) spiro union are connected, twist knob (30) and drive spherical cap (20) up-and-down motion control and lock or loosen between this movable hooks (40) and this spheroid (10).

2. The ball lock structure according to claim 1, wherein: the ball cover (20) is provided with a plurality of mounting grooves (80), positioning grooves (81) are formed in two sides of the mounting grooves (80), pin shafts (47) are inserted into the movable hooks (40), two ends of each pin shaft (47) protrude out of two sides of the movable hooks (40), the movable hooks (40) are arranged in the mounting grooves (80), and the pin shafts (47) protruding out of two sides are arranged in the positioning grooves (81) in two sides.

3. A ball lock arrangement according to claim 2, wherein: a pressing disc (60) is arranged between the knob (30) and the ball cover (20), a fixed ring (61) is arranged in the pressing disc (60), the outer side of the bottom end of the transmission ring (31) is in threaded connection with the central opening of the fixed ring (61), the fixed ring (61) is in clamping connection with the pressing disc (60), and the knob (30) is rotated to enable the pressing disc (60) to push the movable hook (40) to swing so as to control the locking or unlocking between the movable hook (40) and the ball body (10).

4. A ball lock arrangement according to claim 3, wherein: the movable hook (40) is provided with a first roller (42), the pressure plate (60) is provided with a push block (62), and when the pressure plate (60) moves downwards, the push block (62) is contacted with the first roller (42) so as to push the movable hook (40) to swing.

5. The ball lock structure according to claim 4, wherein: the pressure plate (60) is provided with a plurality of first moving grooves (63), the spherical cover (20) is provided with a plurality of positioning walls (22), and the positioning walls (22) are arranged in the first moving grooves (63).

6. A ball lock arrangement according to claim 2, wherein: the knob (30) is provided with a plurality of sliding grooves (70), the sliding grooves (70) are internally provided with H1 ends and H2 ends, the sliding grooves (70) are gradually closed towards the direction of the stud (21) from the H2 ends to the H1 ends, the movable hook (40) is provided with a screw (44) and a clamping groove (45), the screw (44) is arranged in the sliding grooves (70), the clamping groove (45) is clamped with the bottom of the knob (30), and the knob (30) is rotated to enable the screw (44) to move in the sliding grooves (70) so as to control locking or unlocking between the movable hook (40) and the ball (10).

7. The ball lock structure according to claim 6, wherein: a second roller (46) is sleeved outside the screw (44), and the second roller (46) is arranged in the sliding groove (70).

8. The ball lock structure according to claim 1, wherein: the knob (30) is provided with a first thread groove (32), the movable hook (40) is provided with a second thread groove (49), the ball cover is provided with a plurality of mounting grooves (80), two sides of the mounting grooves (80) are provided with second movable grooves (82), two sides of the movable hook (40) are provided with movable blocks (401), the movable hook (40) is arranged in the mounting grooves (80), the movable blocks (401) on two sides are arranged in the second movable grooves (82) on two sides, the second thread groove (49) is in threaded connection with the first thread groove (32), and the knob (30) is rotated to enable the threaded connection between the first thread groove (32) and the second thread groove (49) to control locking or unlocking between the movable hook (40) and the ball body (10).

9. The ball lock structure according to claim 1, wherein: the surface of the ball body (10) is provided with an auxiliary pad (50), the surface of the auxiliary pad (50) is provided with a protruding structure (51), the surface of the movable hook (40) is provided with a groove structure (41), and the protruding structure (51) is arranged in the groove structure (41).

10. The ball lock structure according to claim 9, wherein: the bottom end of the sphere (10) is connected with a connecting pipe (11).