TWM537235U - Fastening structure of spherical mounting plate with low center of gravity - Google Patents

Description

Low center of gravity spherical gimbal locking structure

At present, a spherical pan/tilt is installed on the existing photography tripod on the market in order to adjust the angle of the quick-loading seat; however, the existing spherical head is directly supported by the outer locking bar of the ball seat and is locked and installed in the ball seat. Universal ball to achieve locking, the locking effect is very poor, extremely unstable, and easy to cause damage to the surface of the universal ball, affecting normal work, and the axial height is also relatively high, not only high cost, but also larger volume, occupying more space, use It is not convenient to carry.

In order to solve the above technical problems existing in the prior art, the present invention provides an angle that can conveniently and quickly adjust and lock the spherical pan/tilt mount. The locking effect is stable and reliable, and the structure is smart and compact, and the axial height is The production cost is low, the volume is small, and the spherical gimbal locking structure with convenient carrying is used.

The technical solution adopted by the present invention to solve the prior art problem is:

The utility model relates to a low center of gravity spherical pan and tilt locking structure, comprising a cylinder body, a ball body, a locking seat, a bevel gear rotating seat, a bearing and a locking driving rod, and the ball body, the locking seat, the bevel gear rotating seat and the bearing Each is disposed in a locking cavity provided in the cylinder; wherein the bearing is disposed at a bottom of the locking cavity; the bevel gear rotating seat is a circular conical rotating seat and is rotatably mounted on the bearing The tapered outer surface of the bevel gear rotating seat is provided with a tooth, and the inner ring side wall is provided with an internal thread; the locking drive rod has a knob at one end thereof, and the other end passes through the cylinder and extends into the locking cavity. And the end portion is provided with a bevel gear, and the bevel gear is meshed with the tooth of the bevel gear rotating seat; the locking seat is a circular seat, and the circumferential side surface thereof is provided with an external thread, the locking The seat is arranged in the inner ring of the rotating gear of the bevel gear, and the external thread is matched with the internal thread, and moves up and down under the action of the rotating seat of the bevel gear, closes the surface of the ball and separates from the surface of the ball, and realizes the sphere Locked and unlocked.

Further, a bottom of the locking seat is provided with a guiding leg, and the cylinder is disposed at a corresponding position in the locking cavity, and the locking seat is disposed in the inner ring of the rotating gear of the bevel gear. The guide foot can be movably moved up and down in the guide groove.

Further, the guiding leg is integrally formed with the locking seat.

Further, the upper surface of the locking seat is provided with a cavity and a locking protection ring, and the locking protection ring is installed in the cavity, and the upper end thereof is higher than the upper surface of the locking seat or the locking seat The upper surface is flat, and the locking protection ring is provided with an inner surface of the circular arc; when locked, the inner surface of the circular arc closely matches the surface of the spherical body.

Further, the locking protection ring is made of a plastic material.

Further, the bearing is a toroidal thrust bearing.

Further, the cylinder body includes an upper cylinder body and a lower cylinder body, the upper cylinder body and the lower cylinder body are matched with each other, and the locking cavity is formed inside, the locking seat, the bevel gear rotating seat and the bearing Installed on the lower barrel in the locking chamber.

The beneficial effects of the novel are as follows: According to the above technical solution, the novel can conveniently and quickly adjust and lock the angle of the spherical pan-tilt mount, the locking effect is stable and reliable, and the structure is smart and compact, and the pan/tilt is greatly reduced. Axial height and production cost, small size, easy to use, convenient for mass production, marketing and sales.

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

As shown in FIG. 1 and FIG. 2, the novel embodiment provides a low center of gravity spherical pan and tilt locking structure, including a cylinder 1, a ball 2, a locking seat 3, a bevel gear rotating seat 4, a bearing 5, and The drive rod 6 is locked, and the ball 2, the lock seat 3, the bevel gear swivel 4 and the bearing 5 are all disposed in the lock chamber 13 provided in the cylinder 1.

Wherein, the bearing 5 may be a circular thrust bearing disposed at the bottom of the locking cavity 13; the bevel gear rotating base 4 is a circular conical rotating seat and rotatably mounted on the bearing 5, The tapered outer surface of the bevel gear rotating base 4 is provided with a tooth 41, and the inner ring side wall is provided with an internal thread 42. One end of the locking drive rod 6 is provided with a knob 61, the other end passes through the cylinder body 1, protrudes into the locking cavity 13, and the end portion is provided with a bevel gear 62, and the bevel gear 62 rotates with the bevel gear The teeth 41 of the seat 4 are meshed. The locking seat 3 is a circular seat, and the circumferential side surface thereof is provided with an external thread 31. The locking seat 3 is disposed in the inner ring of the bevel gear rotating seat 4, and the external thread 31 and the internal thread 42 are provided. And the guiding leg 32 is integrally formed with the locking seat 3, and the cylinder body 1 is located at a corresponding position in the locking cavity 13 with a guiding groove, the lock When the abutment 3 is disposed in the inner ring of the bevel gear rotating seat 4, the guiding leg 32 can be movably engaged in the guiding groove.

In addition, the cylinder 1 includes an upper cylinder 11 and a lower cylinder 12, the upper cylinder and the lower cylinder 12 are mated to each other, and the locking cavity 13 is formed inside, the locking seat 3, the cone The gear rotating base 4 and the bearing 5 are mounted on the lower cylinder 12 in the locking chamber 13.

The working principle of the low center of gravity spherical pan and tilt locking structure of the present invention is as follows: firstly, the knob 61 is rotated to drive the locking drive rod 6 to rotate, and the bevel gear rotating seat 4 is driven to rotate by the bevel gear 62, and then the bevel gear rotating seat 4 driving the locking seat 3 to move upward until the locking seat 3 is in close contact with the surface of the ball 2 to achieve locking of the ball 2; conversely, the reverse rotation knob 61 drives the locking drive rod 6 to reverse rotation and passes through the bevel gear 62. The bevel gear rotating seat 4 is driven to rotate backward, and then the bevel gear rotating seat 4 drives the locking seat 3 to move downward until the locking seat 3 is separated from the surface of the ball 2 to unlock the ball 2.

In this way, the locking structure of the present invention can conveniently and quickly adjust and lock the angle of the spherical pan-tilt mount, the locking effect is stable and reliable, and the structure is smart and compact, which greatly reduces the axial height of the pan/tilt. Production cost, small size, easy to use and carry, is conducive to mass production, marketing and sales.

In addition, the upper surface of the locking seat 3 is provided with a cavity 33 and a locking protection ring 34. The locking protection ring 34 can be made of a plastic material, is installed in the cavity 33, and has an upper end higher than The upper surface of the locking seat 3 is flat with the upper surface of the locking seat 3, and the locking protection ring 34 is provided with an arc inner surface 341; when locked, the arc inner surface 341 fits snugly against the sphere 2 surface. In this way, the locking effect on the sphere 2 can be further improved, and the sphere 2 can be protected from scratching and deformation.

The above content is a further detailed description of the present invention in combination with specific preferred technical solutions, and it is not to be construed that the specific implementation of the present invention is limited to the description. For those skilled in the art, a number of simple deductions or substitutions may be made without departing from the spirit and scope of the present invention.

1‧‧‧Cylinder
11‧‧‧Upper cylinder
12‧‧‧ Lower cylinder
13‧‧‧Locking chamber
2‧‧‧ sphere
3‧‧‧Lock seat
31‧‧‧ external thread
32‧‧‧ Guide feet
33‧‧‧ cavity
34‧‧‧Locking protection ring
341‧‧‧Circular inner surface
4‧‧‧Bevel gear swivel
41‧‧‧ teeth
42‧‧‧ internal thread
5‧‧‧ bearing
6‧‧‧Locking drive rod
61‧‧‧ knob
62‧‧‧Umbrella gear

1 is a schematic exploded view of an embodiment of a low-gravity spherical pan/tilt locking structure of the present invention; FIG. 2 is a cross-sectional structural view of an embodiment of the present low-central spherical spherical head locking structure.

11‧‧‧Upper cylinder

12‧‧‧ Lower cylinder

13‧‧‧Locking chamber

2‧‧‧ sphere

3‧‧‧Lock seat

31‧‧‧ external thread

32‧‧‧ Guide feet

33‧‧‧ cavity

34‧‧‧Locking protection ring

341‧‧‧Circular inner surface

4‧‧‧Bevel gear swivel

41‧‧‧ teeth

42‧‧‧ internal thread

5‧‧‧ bearing

6‧‧‧Locking drive rod

61‧‧‧ knob

62‧‧‧Umbrella gear

Claims (7)

A low center of gravity spherical pan and tilt locking structure, comprising: a cylinder body, a ball body, a locking seat, a bevel gear rotating seat, a bearing and a locking driving rod, and the ball body, the locking seat and the bevel gear The rotating base and the bearing are both disposed in the locking cavity provided by the cylinder; wherein the bearing is disposed at the bottom of the locking cavity; the bevel gear rotating seat is a circular conical rotating seat and is rotatably mounted In the bearing, the tapered outer surface of the bevel gear rotating seat is provided with a tooth, and the inner ring side wall is provided with an internal thread; the locking drive rod has a knob at one end and the other end passes through the cylinder and extends into the bearing The locking cavity is disposed in the end, and the end portion is provided with a bevel gear, and the bevel gear is meshed with the tooth of the bevel gear rotating seat; the locking seat is a circular seat, and the circumferential side surface thereof is provided with an external thread. The locking seat is disposed in the inner ring of the rotating gear of the bevel gear, and the external thread is matched with the internal thread, and moves up and down under the action of the rotating seat of the bevel gear, closes the surface of the ball and is separated from the surface of the ball. , to achieve the locking and unlocking of the sphere. The low center of gravity spherical pan and tilt locking structure according to claim 1, wherein the bottom of the locking seat is provided with a guiding leg, and the cylinder body is provided with a guiding groove at a corresponding position in the locking cavity, and the locking seat is provided. When in the inner ring of the bevel gear rotating seat, the guiding legs can be movably caught in the guiding groove. The low center of gravity spherical pan/tilt locking structure according to claim 2, wherein the guiding leg is integrally formed with the locking seat. The low center of gravity spherical pan and tilt locking structure according to claim 1 or 2 or 3, wherein the upper surface of the locking seat is provided with a cavity and a locking protection ring, and the locking protection ring is installed in the cavity And the upper end thereof is higher than the upper surface of the locking seat or is flush with the upper surface of the locking seat, the locking protection ring is provided with an inner surface of the circular arc; when locked, the inner surface of the circular arc is closely matched The surface of the sphere. The low center of gravity spherical pan/tilt locking structure according to claim 4, wherein the locking protection ring is made of a plastic material. The low center of gravity spherical pan and tilt locking structure of claim 1 or 2 or 3 or 5, wherein the bearing is a toroidal thrust bearing. The low center of gravity spherical pan and tilt locking structure according to claim 1 or 2 or 3 or 5, wherein the cylindrical body comprises an upper cylindrical body and a lower cylindrical body, and the upper cylindrical body and the lower cylindrical body are matched with each other, and The locking chamber is formed internally, and the locking seat, the bevel gear rotating seat and the bearing are mounted on the lower cylinder in the locking chamber.