CN213809651U - Balance hook structure of holder - Google Patents

Abstract

The utility model relates to the field of movie and television shooting, in particular to a cloud platform balance hook structure, which comprises a balance device which can rotate relative to a cloud platform body and a plurality of rotating pieces which are sleeved on a rotating shaft, wherein one end of each rotating piece is hooked on the balance device, the other end of each rotating piece is propped against a gear adjusting device, and the gear adjusting device is used for pushing at least two rotating pieces to move respectively along the direction close to or far away from the balance device; the gear adjusting device comprises an upper push rod and a lower push rod which respectively penetrate through the frustum body, and further comprises a boss button cap which can rotate relative to the upper push rod and the lower push rod, and the boss button cap is used for driving the upper push rod and the lower push rod to move in the direction close to or far away from the rotating part; the utility model discloses equipment, the rubber disc of setting can play the purpose of stable balance, and the rotor arm can be hooked on the rubber disc to can reach according to the equipment weight of difference, the effect of the different equilibrium force of adjustment through the quantity of gear adjusting device adjustment hook rotor arm on the rubber disc.

Description

Balance hook structure of holder

Technical Field

The utility model relates to a movie & TV shoots the field, especially relates to a cloud platform balance hook structure.

Background

The cradle head is a supporting device for mounting and fixing a camera and is divided into a fixed cradle head and an electric cradle head. The fixed tripod head is suitable for the condition that the monitoring range is not large, the horizontal and pitching angles of the camera can be adjusted after the camera is installed on the fixed tripod head, and the adjusting mechanism can be locked after the best working posture is achieved.

It is well known that, on a cloud deck, a main shaft of the cloud deck is coaxially connected with a rubber disc, the rubber disc is fixed through a fixing device, a pulling force opposite to the rotating direction of the main shaft of the cloud deck is generated, the more the rubber disc is fixed, the larger the pulling force is, the larger the generated balance force is, and otherwise, the smaller the generated balance force is; but because the work demand, various equipment need be connected to the cloud platform, because the weight of various equipment is different, and that balancing force that needs the adjustment is also different, and current setting can only open the cloud platform through the manual work, then changes the thickness or the quantity of the inside rubber disc of cloud platform, comes according to the weight of different equipment and adjusts different balancing force, very inconvenient.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a balanced couple structure of cloud platform solves above-mentioned problem.

A cloud platform balance hook structure comprises a balance device which can rotate relative to a cloud platform body and a plurality of rotating pieces sleeved on a rotating shaft, wherein one end of each rotating piece is hooked on the balance device, the other end of each rotating piece is abutted against a gear adjusting device, and the gear adjusting device is used for pushing at least two rotating pieces to move respectively in the direction close to or far away from the balance device;

the gear adjusting device comprises an upper push rod and a lower push rod which penetrate through the frustum body respectively, and further comprises a boss button cap which is rotatable relative to the upper push rod and the lower push rod, and the boss button cap is used for driving the upper push rod and the lower push rod to move in the direction close to or far away from the rotating part.

The upper push rod and the lower push rod are longitudinally arranged, and the upper push rod is positioned above the lower push rod;

the end surface of the boss button cap is provided with an inclined boss bulge matched with the lower push rod;

the end face of the boss button cap is provided with an isosceles frustum protrusion and a triangular frustum protrusion which are matched with the upper push rod, and the slope inclination angle formed by the triangular frustum protrusion and the end face of the boss button cap is smaller than the slope inclination angle formed by the frustum protrusion and the end face of the boss button cap.

The cross section of the projection of the inclined table is a right trapezoid; the convex cross section of isosceles frustum is right trapezoid, the convex cross section of triangle frustum is triangle-shaped.

The rotating part is a rotating arm, the first end of the rotating arm is of a hook type structure, the balancing device is a rubber disc, and a notch matched with the first end of the rotating arm is formed in the rubber disc.

Still the cover is equipped with the torsional spring in the pivot, the bottom of rotor arm with the first end of torsional spring is inconsistent, the second end of torsional spring supports in the inside of cloud platform body.

The boss button cap is rotatably installed on the frustum of the cloud platform body through the boss rotating shaft.

Compared with the prior art, the utility model discloses the beneficial effect of equipment is:

the utility model discloses equipment, the rubber disc of setting can play the purpose of stable balance, and the rotor arm can be hooked on the rubber disc to can be through the quantity of gear adjusting device adjustment hook rotor arm on the rubber disc, reach according to the equipment weight of difference, the effect of the different balancing force of adjustment need not open the cloud platform through the manual work, then change the thickness or the quantity of the inside rubber disc of cloud platform, adjust different balancing force, easy operation is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a cradle head balance hook structure.

Fig. 2 is a schematic structural view of a lower push rod in a cradle head balance hook structure.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a schematic structural diagram of a boss button cap in a cradle head balance hook structure.

Fig. 5 is a schematic structural view of a cradle head balance hook structure without a cradle head body shell.

FIG. 6 is a schematic diagram of the positional relationship between the upper push rod and the lower push rod.

In the drawings: the gear adjusting device comprises a frustum body 1, a rubber disc 2, a notch 21, a rotating arm 3, a rotating shaft 4, a gear adjusting device 5, an upper push rod 51, a lower push rod 52, an inclined platform protrusion 53, an isosceles inclined platform protrusion 54, a triangular inclined platform protrusion 55, a boss button cap 56, a torsion spring 6, a boss rotating shaft 7 and a main shaft 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

A cloud platform balance hook structure comprises a balance device which can rotate relative to a cloud platform body 1 and a plurality of rotating pieces sleeved on a rotating shaft 4, wherein one end of each rotating piece is hooked on the balance device, the other end of each rotating piece is abutted against a gear adjusting device 5, and the gear adjusting device 5 is used for pushing at least two rotating pieces to move respectively in the direction close to or far away from the balance device; the holder body 1 is a main body of the existing holder, is a common part in the prior art, and is not described again;

specifically, rotate the piece and be rotor 3, the first end of rotor 3 is couple formula structure, balancing unit is the rubber disc 2, the rubber disc 2 and the 8 key-type connections of main shaft of cloud platform body 1, set up on the rubber disc 2 with the opening 21 of the first end looks adaptation of rotor 3, in this embodiment, design two different rubber discs 2 of thickness, the opening 21 on two rubber discs 2 is on same horizontal plane side by side, and is the same, also sets up two rotors 3 for couple opening 21.

Specifically, the gear position adjusting device 5 includes an upper push rod 51 and a lower push rod 52 respectively penetrating through the outer shell of the frustum body 1, and further includes a boss button cap 56 rotatable relative to the upper push rod 51 and the lower push rod 52, where the boss button cap 56 is used to drive the upper push rod 51 and the lower push rod 52 to move in a direction approaching or separating from the second end of the rotating arm 3.

Specifically, the upper push rod 51 and the lower push rod 52 are arranged longitudinally, and the upper push rod 51 is positioned above the lower push rod 52; in the present embodiment, since two rotating arms 3 are provided and are fitted around the rotating shaft 4, the upper push rod 51 and the lower push rod 52 for pushing the second end of the rotating arm 3 are also provided at positions opposite to the two rotating arms 3.

Specifically, boss button cap 56 rotates through boss pivot 7 and installs on the cloud stage body 1, 7 one end of boss pivot with cloud stage body 1 fixed connection, the cover is equipped with the bearing on the other end, boss button cap 56 suit is at the bearing, utilize the bearing can for cloud stage body 1 takes place to rotate.

Specifically, the end surface of the boss button cap 56 is provided with an inclined boss protrusion 53 matched with the lower push rod 52; similarly, a lower push rod slot is also formed along the moving track of the lower push rod 52, when the boss button cap 56 is rotated, the lower push rod 52 abuts against the sloping platform protrusion 53 along the lower push rod slot and moves along the sloping surface of the sloping platform protrusion 53, then the lower push rod 52 extends out from the slot on the housing of the pan/tilt head body 1 due to the ejection function of the sloping platform protrusion 53, abuts against the corresponding rotating arm 3 and pushes the second end of the rotating arm 3, because the rotating arm 3 is sleeved on the rotating shaft 4 and rotates along the rotating shaft 4, when the second end of the rotating arm 3 is forced to move close to the pan/tilt body 1, the first end of the rotating arm 3 moves in the direction far away from the pan/tilt body 1, that is, the first end of the hook-type structure of the rotating arm 3 is separated from the notch 21 on the rubber disc 2; the purpose of reducing the number of the hook rubber discs 2 is achieved;

furthermore, because the rubber disc 2 adopts two rubber discs with different thicknesses, when different rubber discs 2 are hooked with the rotating arm 3, the generated balance forces are different, and therefore the four-gear adjustment is designed for the equipment; the thickness of the rubber disc 2 hooked by the rotating arm 3 corresponding to the upper push rod 51 is thinner, the thickness of the rubber disc 2 hooked by the rotating arm 3 corresponding to the lower push rod 52 is thicker, and the use states are respectively the same;

firstly, the rotating arm 3 corresponding to the upper push rod 51 is not hooked in the notch 21, and the rotating arm 3 corresponding to the lower push rod 52 is hooked in the notch 21;

the rotating arm 3 corresponding to the upper push rod 51 is hooked in the notch 21, and the rotating arm 3 corresponding to the lower push rod 52 is not hooked in the notch 21;

thirdly, the rotating arm 3 corresponding to the upper push rod 51 and the rotating arm 3 corresponding to the lower push rod 52 are not hooked in the notch 21 at the same time;

fourthly, the rotating arm 3 corresponding to the upper push rod 51 and the rotating arm 3 corresponding to the lower push rod 52 are hooked in the notch 21 at the same time;

specifically, in order to realize the above-mentioned use state, the end surface of the boss button cap 56 is provided with an isosceles frustum protrusion 54 and a triangular frustum protrusion 55 which are matched with the upper push rod 51, and then, similarly, along the moving track of the upper push rod 51, an upper push rod slot is further provided, which are respectively located at one end of the isosceles frustum protrusion 54, between the isosceles frustum protrusion 54 and the triangular frustum protrusion 55, when the boss button cap 56 is rotated, the upper push rod 51 moves along the upper push rod slot, and when the upper push rod 51 moves to the top of the isosceles frustum protrusion 54 along the upper push rod slot, the upper push rod 51 extends along the housing of the pan/tilt head body 1, in this design, the length of the lower push rod slot is greater than the length from the upper push rod slot to the isosceles frustum protrusion 54, so that only the upper push rod 51 extends in this process, and the above-mentioned first use state is achieved;

specifically, the boss button cap 56 is continuously twisted, at this time, the upper push rod 51 enters the lower push rod slot between the isosceles frustum protrusion 54 and the triangular frustum protrusion 55, and then the upper push rod 51 retracts from the slot on the housing of the pan/tilt head body 1; in this design, the slope inclination angle formed by the triangular sloping platform protrusion 55 and the end face of the boss button cap 56 is smaller than the slope inclination angle formed by the sloping platform protrusion 53 and the end face of the boss button cap 56, so the lower push rod 52 first contacts with the top of the sloping platform protrusion 53, that is, the lower push rod 52 extends out of the slot on the housing of the holder body 1, and the second use state is achieved;

specifically, the boss button cap 56 is continuously twisted, at this time, the upper push rod 51 moves from the lower push rod slot between the isosceles frustum protrusion 54 and the triangular frustum protrusion 55 to the top of the triangular frustum protrusion 55, and the lower push rod 52 moves horizontally along the top of the frustum protrusion 53; that is, the lower push rod 52 extends out of the slot on the housing of the pan/tilt head body 1, and the upper push rod 51 extends out of the slot on the housing of the pan/tilt head body 1, so as to achieve the third use state;

specifically, when the boss button cap 56 is not rotated initially, one end of the upper push rod 51 and one end of the lower push rod 52 are respectively located in the upper push rod slot and the lower push rod slot, so that neither the upper push rod 51 nor the lower push rod 52 extends out of the slots on the housing of the pan/tilt head body 1, and the fourth use state is achieved.

Specifically, the cross section of the ramp projection 53 is a right trapezoid; the cross section of the isosceles frustum protrusion 54 is a right trapezoid, and the cross section of the triangular frustum protrusion 54 is a triangle.

Furthermore, considering that the boss button cap 5 is twisted reversely, the lower push rod 52 and the upper push rod 51 in different using states can be reset, namely, the lower push rod and the upper push rod are hooked in the notch 21 on the rubber disc 2 again; therefore, the rotating shaft 4 is further sleeved with a torsion spring 6, the bottom of the rotating arm 3 is abutted against the first end of the torsion spring 6, and the second end of the torsion spring 6 is abutted against the inside of the holder body 1.

The working principle is as follows:

when the boss button cap 56 is not rotated, one ends of the upper push rod 51 and the lower push rod 52 are respectively positioned in the upper push rod slot and the lower push rod slot, so that the upper push rod 51 and the lower push rod 52 do not extend out of the slots on the housing of the pan/tilt head body 1, the two rotating arms 3 are abutted by the torsion spring 6, and the first ends of the two rotating arms are both hooked in the slots 21; at this time, the generated balance force is maximum;

when the boss button cap 56 is continuously rotated, when the upper push rod 51 moves to the top of the isosceles frustum protrusion 54 along the upper push rod slot, the upper push rod 51 extends out along the housing of the tripod head body 1, in the design, the length of the lower push rod slot is greater than the length from the upper push rod slot to the isosceles frustum protrusion 54, so that in the process, only the upper push rod 51 extends out, the upper push rod 51 pushes the second end of the rotating arm 3 corresponding to the upper push rod 51 to be close to the tripod head body 1, the first end of the rotating arm 3, namely one end of the hook structure, is far away from the notch 21, and one rotating arm 3 hooks only one thicker rubber disc 2;

when the boss button cap 56 continues to rotate, at this time, the upper push rod 51 enters the lower push rod slot between the isosceles frustum protrusion 54 and the triangular frustum protrusion 55, then the upper push rod 51 retracts from the slot on the housing of the pan/tilt head body 1, and the rotating arm 3 abutting against the upper push rod 51 is pushed into the slot 21 by the torsion spring 6 under the action of the torsion spring 6; in this design, the slope inclination angle formed by the end surfaces of the triangular sloping platform protrusion 55 and the boss button cap 56 is smaller than the slope inclination angle formed by the end surfaces of the sloping platform protrusion 53 and the boss button cap 56, so that the lower push rod 52 is firstly contacted with the top of the sloping platform protrusion 53, namely, the lower push rod 52 extends out of the slot on the housing of the pan/tilt head body 1, the lower push rod 52 pushes the second end of the rotating arm 3 corresponding to the lower push rod 52 to be close to the pan/tilt head body 1, the first end of the rotating arm 3 corresponding to the lower push rod 52 is far away from the notch 21, and one rotating arm 3 only hooks a thin rubber disc 2.

When the boss button cap 56 is rotated continuously, the upper push rod 51 moves to the top of the triangular sloping platform bulge 55 from the lower push rod slot between the isosceles sloping platform bulge 54 and the triangular sloping platform bulge 55 at the moment, and the lower push rod 52 moves horizontally along the top of the sloping platform bulge 53; that is, the lower push rod 52 extends out of the slot on the housing of the pan/tilt head 1, the upper push rod 51 pushes the second end of the rotating arm 3 corresponding to the upper push rod 51 to approach the pan/tilt head 1, the first end of the rotating arm 3 is far away from the notch 21, neither rotating arm 3 is hooked in the notch 21, and the generated balance force is the minimum at this time.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (6)

1. A cloud platform balance hook structure is characterized in that; the cloud platform comprises a balancing device which can rotate relative to a cloud platform body (1) and a plurality of rotating pieces sleeved on a rotating shaft (4), wherein one end of each rotating piece is hooked on the balancing device, the other end of each rotating piece is abutted against a gear adjusting device (5), and the gear adjusting devices (5) are used for pushing at least two rotating pieces to move in the direction close to or far away from the balancing device respectively;

the gear adjusting device (5) comprises an upper push rod (51) and a lower push rod (52) which penetrate through the frustum body (1) respectively, and further comprises a boss button cap (56) which can rotate relative to the upper push rod (51) and the lower push rod (52), and the boss button cap (56) is used for driving the upper push rod (51) and the lower push rod (52) to move in the direction of approaching or leaving the rotating part.

2. A pan and tilt head balance hook structure according to claim 1, wherein; the upper push rod (51) and the lower push rod (52) are longitudinally arranged, and the upper push rod (51) is positioned above the lower push rod (52);

the end surface of the boss button cap (56) is provided with an inclined table bulge (53) matched with the lower push rod (52);

the end face of the boss button cap (56) is provided with an isosceles frustum protrusion (54) and a triangular frustum protrusion (55) which are matched with the upper push rod (51), and the slope inclination angle formed by the end face of the triangular frustum protrusion (55) and the boss button cap (56) is smaller than the slope inclination angle formed by the end face of the frustum protrusion (53) and the boss button cap (56).

3. A pan and tilt head balance hook structure according to claim 2, wherein; the cross section of the inclined table bulge (53) is a right-angled trapezoid; the cross section of the isosceles frustum protrusion (54) is in a right trapezoid shape, and the cross section of the triangular frustum protrusion (55) is in a triangular shape.

4. A pan and tilt head balance hook structure according to claim 2, wherein; the rotating piece is a rotating arm (3), the first end of the rotating arm (3) is of a hook type structure, the balancing device is a rubber disc (2), and a notch (21) matched with the first end of the rotating arm (3) is formed in the rubber disc (2).

5. A pan and tilt head balance hook structure according to claim 4, wherein; the rotating shaft (4) is further sleeved with a torsion spring (6), the bottom of the rotating arm (3) is abutted to the first end of the torsion spring (6), and the second end of the torsion spring (6) is abutted to the inner portion of the frustum body (1).

6. A pan and tilt head balance hook structure according to claim 4, wherein; the boss button cap (56) is rotatably arranged on the frustum body (1) through a boss rotating shaft (7).

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