CN114294532A

CN114294532A - Three-axis spherical universal structure

Info

Publication number: CN114294532A
Application number: CN202110821010.1A
Authority: CN
Inventors: 林建廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-04-08

Abstract

A three-axis spherical gimbal structure, comprising: the main body is provided with a ball containing part and a rotating shaft containing part which are adjacent up and down, the ball containing part is upwards provided with a ball containing part opening, the rotating shaft containing part is downwards provided with a rotating shaft containing part opening, the main body is provided with a notch, the notch extends from the ball containing part opening to the rotating shaft containing part opening, the ball containing part and the rotating shaft containing part are connected with an external space through the notch, and the notch is provided with a fixing piece group at a position close to the ball containing part opening; and a sphere; and a rotating shaft, which can horizontally rotate in the rotating shaft accommodating part; the gap of the main body is opened to a preset angle, the rotating shaft is placed in the rotating shaft containing part, the ball body is placed in the ball body containing part, the gaps are closed, the fixing part group is locked, the gap is reduced, the ball body containing part and the rotating shaft containing part respectively clamp the ball body and the rotating shaft, the ball body is pushed downwards, the ball body is abutted against the rotating shaft, the ball body cannot rotate, the rotating shaft cannot horizontally rotate relative to the main body, and otherwise, the ball body and the rotating shaft can rotate.

Description

Three-axis spherical universal structure

Technical Field

The invention relates to a triaxial spherical universal structure, in particular to a triaxial spherical universal structure with a main body, wherein a gap of the main body can be opened to a preset angle.

Background

The existing spherical universal structure, such as a spherical tripod head, is made of metal, and is characterized in that when the spherical tripod head is assembled, a spherical body is firstly put into the bottom of a tripod head main body, then a base is put into the spherical body, a fixing screw is locked into the side surface of the base to fix the base, the tripod head main body is prevented from being separated from the base, a screw knob is locked into the side surface of the spherical tripod head, the screw knob is used for pressing the concave position on the upper part of the base, the base is pushed upwards to the spherical body, the spherical body is enabled to be static, and the base can be horizontally rotated by loosening the screw knob. The shortcoming of this current structure is that the material is the metal, and weight is heavier, and when the condition that set screw neglected loading or pine takes off and does not reach unable fixed base, loosens the screw knob to certain degree, and then base and cloud platform main part can separate and take off, if the cloud platform top is connected with equipment this moment, may cause the damage of equipment.

The existing spherical universal structure, such as a spherical holder with a notch, utilizes a fixing component to control the size of the notch so as to lock or loosen the sphere, however, in the existing design, a fastener is arranged below the sphere so as to be connected to other objects, and when the fastener is locked, the direction of the spherical holder with the notch is fixed, and the direction cannot be horizontally adjusted.

SUMMARY OF THE PATENT FOR INVENTION

The invention provides a three-axis spherical universal structure, which aims to solve the problems that the existing spherical universal structure is too heavy in weight and the structure is loosened to cause other connecting equipment to be damaged or the direction can not be horizontally adjusted, and comprises a main body, a sphere and a rotating shaft, wherein the main body is provided with a sphere containing part and a rotating shaft containing part which are vertically adjacent, the sphere containing part is upwards provided with a sphere containing part opening, the rotating shaft containing part is downwards provided with a rotating shaft containing part opening, the main body is provided with a notch, the notch extends from the sphere containing part opening to the rotating shaft containing part opening, the sphere containing part and the rotating shaft containing part are connected with an external space through the notch, the notch is provided with a fixing piece group at a position close to the sphere containing part opening, and the rotating shaft can horizontally rotate in the rotating shaft containing part; the gap of the main body is opened to a preset angle, the rotating shaft is placed in the rotating shaft containing part, the ball body is placed in the ball body containing part, the gaps are closed, the fixing part group is locked, the gap is reduced, the ball body containing part and the rotating shaft containing part respectively clamp the ball body and the rotating shaft, the ball body is pushed downwards, the ball body is abutted against the rotating shaft, the ball body cannot rotate, the rotating shaft cannot horizontally rotate relative to the main body, and otherwise, the ball body and the rotating shaft can rotate. The invention can use plastic materials, solves the problem of heavier weight, can avoid the damage of equipment above the tripod head caused by the falling of the ball body by utilizing the gap, and increases the function of horizontal rotation by arranging the rotating shaft.

The technical scheme adopted by the invention for solving the technical problems is as follows: a three-axis spherical universal structure is used for connecting a first object and a second object, and is characterized in that: a main body, which is provided with a sphere containing part and a rotating shaft containing part, the sphere containing part is adjacent to the rotating shaft containing part up and down, the sphere containing part extends upwards to an external space to form a sphere containing part opening, the diameter of the sphere containing part opening is smaller than that of the sphere containing part, the rotating shaft containing part extends downwards to the external space to form a rotating shaft containing part opening, the diameter of the rotating shaft containing part opening is smaller than that of the rotating shaft containing part, the main body is provided with a notch, the notch extends from the sphere containing part opening to the rotating shaft containing part opening, the sphere containing part and the rotating shaft containing part are connected with the external space through the notch, and a fixing piece set is arranged at a proper position close to the sphere containing part opening; the ball body is provided with a first extending part which extends outwards from the ball body; and a rotating shaft, the rotating shaft has a proper shape to enable the rotating shaft to horizontally rotate in the rotating shaft accommodating part; and wherein, the gap of the main body is opened to a predetermined angle, the rotating shaft is placed in the accommodating part of the rotating shaft, the ball body is placed in the accommodating part of the ball body, the rotating shaft is connected with the first object through the opening of the accommodating part of the rotating shaft, the first extending part penetrates out from the opening of the accommodating part of the ball body and is connected with the second object, the gap of the main body is closed, the gap is reduced by locking the fixing member set, the ball body and the accommodating part of the rotating shaft respectively clamp the ball body and the rotating shaft, the ball body is pushed downwards to abut against the rotating shaft, the ball body is not rotatable, the rotating shaft is not horizontally rotatable relative to the main body, the gap is enlarged by loosening the fixing member set, the ball body is loosened and the rotating shaft is loosened by loosening the accommodating part of the rotating shaft, the ball body and the rotating shaft are loosened, and the ball body can rotate, the shaft is also horizontally rotatable relative to the body.

Preferably, the shaft has a second extending portion, and the second extending portion passes through the opening of the shaft accommodating portion and extends toward the external space.

Preferably, the first extending portion is a first extending rod, a screw thread is disposed at an end of the first extending rod away from the ball, a platform is disposed at a proper position of the first extending rod, and the screw thread protrudes above the platform.

Preferably, a first tapered surface is disposed at a suitable position of the inner side of the rotating shaft accommodating portion, the first tapered surface is tapered toward the opening of the rotating shaft accommodating portion, a second tapered surface is disposed at a suitable position of the outer side of the rotating shaft, and a tapered end of the second tapered surface faces the opening of the rotating shaft accommodating portion and corresponds to the first tapered surface.

Preferably, the top of the rotating shaft is provided with an arc surface, and the radian of the arc surface corresponds to the radian of the sphere.

Preferably, a rotating disc is further provided, the diameter of the rotating disc is larger than that of the opening of the rotating shaft accommodating portion, the rotating disc is combined with the rotating shaft through the opening of the rotating shaft accommodating portion, a first fastening piece is arranged in the rotating shaft, a central hole is arranged in the center of the rotating shaft, the central hole extends from the rotating shaft to the direction of the rotating disc and is communicated with the external space, and the rotating shaft and the first object are mutually fixed through the first fastening piece.

Preferably, a U-shaped groove is formed in the main body downward from the opening of the ball receiving portion, the ball receiving portion is connected to the external space through the U-shaped groove, and the U-shaped groove is spaced from the notch by a certain distance.

The invention has the advantages that the weight of the spherical tripod head can be reduced, the falling of the sphere is avoided, the rotation in the horizontal direction can be increased through the rotating shaft, and the carrying convenience, the use safety and the use diversity are increased.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the embodiment of the present invention

FIG. 2A is a partial schematic view of a patented embodiment of the invention

FIG. 2B is a partially exploded view of an embodiment of the present invention

FIG. 3A is a schematic diagram of a main body according to an embodiment of the present invention

FIG. 3B is a schematic view of a main body of the present invention with a notch opened to a predetermined angle

FIG. 3C is a schematic view of an assembled spindle according to an embodiment of the present invention

FIG. 3D is a schematic view of an assembled sphere according to an embodiment of the present invention

FIG. 3E is a schematic view of an assembled sphere according to an embodiment of the present invention

FIG. 3F is a schematic view of an assembly fixture set according to an embodiment of the present invention

FIG. 4A is a partial schematic view of another embodiment of the present invention

FIG. 4B is a cross-sectional view taken along line AA of FIG. 4A (locking and fixing member set) according to the first embodiment of the present invention

FIG. 4C is a cross-sectional view along line AA of FIG. 4A (releasing the fastener set) according to the first embodiment of the present invention

FIG. 5 is a schematic view of the second embodiment of the present invention

FIG. 6A is a schematic view of the third embodiment of the present invention

FIG. 6B is a diagram of the fourth embodiment of the present invention

FIG. 7A is a schematic diagram of a fifth exploded view of the patent example of the present invention

FIG. 7B is a schematic diagram of five combinations according to the patent embodiment of the present invention

FIG. 7C is a cross-sectional view (locking and fixing member set) taken along line BB of FIG. 7B showing a fifth embodiment of the present invention

FIG. 7D is a cross-sectional view taken along line BB of FIG. 7B showing a fifth embodiment of the present invention (releasing the fastener set)

FIG. 8A is an exploded view of the sixth and seventh inventions of the present application

FIG. 8B is a schematic view of a combination of the sixth embodiment of the present invention and the seventh embodiment of the present invention

FIG. 8C is a schematic view of another combination of the sixth inventive embodiment and the seventh inventive embodiment

FIG. 8D is a schematic sectional view taken along line CC of FIG. 8C of the sixth embodiment of the present invention and the seventh embodiment of the present invention (locking and fixing members set)

FIG. 8E is a schematic sectional view taken along line CC of FIG. 8C of the sixth embodiment and the seventh embodiment of the present invention

FIG. 9 is a schematic diagram of a third embodiment of the present invention combined with a seventh embodiment of the present invention

FIG. 10A is a schematic view of an eighth embodiment of the present invention

FIG. 10B is a schematic diagram of an eighth embodiment of the present invention

Wherein the reference numerals are as follows:

1 three-axis spherical universal structure

11 main body

111 sphere accommodation part

112 rotating shaft accommodating part

1121 first tapered surface

113 sphere containing part opening

114 opening of the accommodating part of the rotating shaft

115 fastener set

116U type groove

12 sphere

121 first extension part

1211 first extension rod

1212 screw thread

1213 platform

1214 ball joint

13 rotating shaft

131 second tapered surface

132 arc surface

133 turntable

134 first fastener

135 center hole

136 second extension part

14 gap

2 first article

21 support

3 second object

31 mobile phone clip

S outer space

Detailed Description

The following describes embodiments of the present invention with reference to fig. 1 to 6. The description is not intended to limit the embodiments of the invention patent, but is one of the examples of the invention patent.

Referring to fig. 1 to 4C, a three-axis ball-and-socket joint structure 1 according to a first embodiment of the present invention, as shown in fig. 1, is used for connecting a first object 2 and a second object 3, and is characterized in that: referring to fig. 2A to 3A, a main body 11, the main body 11 is provided with a ball receiving portion 111 and a shaft receiving portion 112, the sphere containing part 111 is vertically adjacent to the rotating shaft containing part 112, the sphere containing part 111 extends upwards to the external space S to form a sphere containing part opening 113, the diameter of the ball receiving opening 113 is smaller than that of the ball receiving opening 111, the shaft receiving opening 114 is formed by the shaft receiving portion 112 extending downward to the outer space S, the diameter of the shaft receiving portion opening 114 is smaller than that of the shaft receiving portion 112, the main body 11 is provided with a notch 14, the notch 14 extends from the ball receiving opening 113 to the shaft receiving opening 114, the sphere receiving portion 111 and the rotation shaft receiving portion 112 are connected to the external space S through the gap 14, the notch 14 is provided with a fixing member set 115 at a suitable position near the opening 113 of the ball receiving portion; and a ball 12, the ball 12 having a first extending portion 121, the first extending portion 121 extending outward from the ball 12; and a shaft 13, the shaft 13 having a suitable shape to make the shaft 13 rotate horizontally in the shaft container 114; and, as shown in fig. 3B, the gap 14 of the main body 11 is opened to a predetermined angle, as shown in fig. 3C, the shaft 13 is placed in the shaft accommodating portion 112, as shown in fig. 3D, the ball 12 is placed in the ball accommodating portion 113, the shaft 13 is connected to the first object 2 through the shaft accommodating portion opening 112, the first extending portion 121 is extended out from the ball accommodating portion opening 113 and connected to the second object 3, as shown in fig. 3E and 3F, the gap 14 of the main body 11 is closed, the gap 14 is reduced by locking the fixing member set 115, as shown in fig. 4B, the ball accommodating portion 111 and the shaft accommodating portion 112 respectively clamp the ball 12 and the shaft 13, the ball 12 is pushed downward, the ball 12 and the shaft 13 abut against each other, the ball 12 is not rotatable, and the shaft 13 is not rotatable horizontally relative to the main body 11, by releasing the fixing member set 115, the gap 14 is enlarged, as shown in fig. 4C, the sphere accommodating portion 111 releases the sphere 12 and the rotating shaft accommodating portion 112 releases the rotating shaft 13, so that the sphere 12 and the rotating shaft 13 are released from each other, the sphere 12 can rotate, and the rotating shaft 13 can rotate horizontally relative to the main body 11. The present invention utilizes the horizontal rotation function of the shaft 13, and by matching the appropriate shapes of the shaft 13 and the shaft container 112, after the shaft 13 and the first object 2 are connected to each other, the set of fasteners 115 is released, the main body 11 can rotate horizontally relative to the rotating shaft 13, so that when a user rotates the main body 11 by using the rotating shaft 13 as an axis to adjust the horizontal angle, and the fixing member set 115 is locked, the ball 12 is clamped by the ball receiving portion 111 and downwardly against the shaft 13, so as to increase the fixing force of the fixing member set 115 to the ball 12, and the shaft 13 may be cylindrical, conical or spherical, and the like, and, as shown in fig. 1, the first object 2 may be a stand 21, clamp, or other support, and the second object 3 may be a cell phone clamp 31, plate clamp, or other device or object, or alternatively, the first and second objects may be interchanged.

As shown in fig. 5, in the second embodiment of the present invention, the shaft 13 has a second extending portion 136, and the second extending portion 136 extends through the shaft accommodating portion opening 114 to the external space S, and can be used to connect with the first object 2. The second extending portion 136 of the embodiment of the present invention can be directly disposed on the first object 2, and more preferably, the shaft 13 and the second extending portion 136 are directly disposed on the first object 2, so as to achieve the effects of saving labor and material and better stability, and similarly, the ball 12 and the first extending portion 121 can be directly disposed on the second object 3.

As shown in fig. 6A, a three-axis ball-and-socket universal structure according to a third embodiment of the present invention is characterized in that the first extension portion 121 is a first extension rod 1211, one end of the first extension rod 1211 away from the ball 12 has a thread 1212, a platform 1213 is disposed at a suitable position of the first extension rod 1211, and the thread 1212 protrudes above the platform 1213. In the third embodiment of the present invention, a platform nut may be disposed at the center of the platform 1213, and the thread 1212 is connected to the platform nut and can rotate with respect to the platform nut to adjust the relative positions of the platform 1213 and the thread 1212. The third embodiment of the invention is a three-axis spherical pan-tilt.

As shown in fig. 6B, in the embodiment of the present invention, a three-axis ball-and-socket universal structure is provided, and the first extension 121 is connected to another ball joint 1214 for connecting with the second object 3. The first extension 121 of the present invention can have other connecting configurations, such as a hot shoe joint, etc., for connecting the second object 3, and similarly, the second extension 136 can have other connecting configurations for connecting the first object 2.

As shown in fig. 7A to 7D, in the fifth embodiment of the present invention, a first tapered surface 1121 is disposed at a proper position on the inner side of the shaft accommodating portion 112, the first tapered surface 1121 is narrowed toward the shaft accommodating portion opening 114, a second tapered surface 131 is disposed at a proper position on the outer side of the shaft 13, a narrowed end of the second tapered surface 131 faces the shaft accommodating portion opening 114 and corresponds to the first tapered surface 1121, the notch 14 is narrowed by locking the fixing member set 115, as shown in fig. 7C, the ball accommodating portion 111 and the shaft accommodating portion 112 clamp the ball 12 and the shaft 13 respectively, the ball 12 is pushed downward, the shaft 13 is pushed upward, the ball 12 and the shaft 13 abut against each other, the ball 12 is not rotatable, the shaft 13 is not rotatable horizontally relative to the main body 11, and by loosening the fixing member set 115, the gap 14 is enlarged, as shown in fig. 7D, the sphere accommodating portion 111 loosens the sphere 12 and the rotation shaft accommodating portion 112 loosens the rotation shaft 13, so that the sphere 12 and the rotation shaft 13 are loosened from each other, the sphere 12 can rotate, and the rotation shaft 13 can rotate horizontally relative to the main body 11. In the fourth embodiment of the present invention, when the fixing member set 115 is locked, the rotating shaft accommodating portion 112 clamps the rotating shaft 13, and the first tapered surface 1121 of the rotating shaft accommodating portion 112 and the second tapered surface 131 of the rotating shaft 13 push the rotating shaft 13, so that the rotating shaft 13 moves upward and abuts against the ball 12. In the fifth embodiment of the present invention, the slope formed by the first tapered surface 1121 and the second tapered surface 131 is utilized, when the fixing member set 115 is locked, the rotating shaft 13 is pushed to prop up the ball 12 along the slope, so as to increase the fixing force of the whole ball 12, and preferably, the first tapered surface 1121 may extend upward to be connected to the ball receiving portion 111, so as to increase the moving space between the ball 12 and the rotating shaft 13, which is helpful for fixing the ball 13.

As shown in fig. 8A to 8E, in the present invention, a three-axis spherical universal structure according to the sixth embodiment of the invention, an arc surface 132 is disposed on the top of the rotating shaft 13, the arc of the arc surface 132 corresponds to the arc of the ball 12, the notch 14 is reduced by locking the fixing member set 115, the ball accommodating portion 111 and the rotating shaft accommodating portion 112 clamp the ball 12 and the rotating shaft 13 respectively, the ball 12 is pushed downward, the ball 12 and the arc surface 132 of the rotating shaft 13 abut against each other, the ball 12 is not rotatable, and the rotating shaft 13 is not rotatable horizontally relative to the main body 11. In the sixth embodiment of the present invention, the arc surface 132 of the rotating shaft 13 is utilized to increase the contact area with the ball 12 to increase the fixing force, however, in practical operation, since the two arc surfaces are difficult to be completely attached to each other, when the arc surface 132 of the rotating shaft 13 and the ball 12 are abutted against each other, there may be only one annular contact surface or annular contact line.

As shown in fig. 8A to 8E, a three-axis spherical universal structure according to a seventh embodiment of the present invention further includes a rotating plate 133, a diameter of the rotating plate 133 is larger than a diameter of the rotating shaft accommodating portion opening 114, the rotating plate 133 is combined with the rotating shaft 13 through the rotating shaft accommodating portion opening 114, a first fastening member 134 is disposed in the rotating shaft 13, a central hole 135 is disposed in the center of the rotating shaft 13, the central hole 135 extends from the rotating shaft 13 to the direction of the rotating plate 133 and is communicated with the external space S, and the rotating shaft 13 and the first object 2 are fixed to each other by the first fastening member 134. The seventh embodiment of the present invention is to fix the shaft 13 and the first object 2 to each other by using the first fastening member 134, the first fastening member 134 may be a screw or a nut, and other connection methods may also be used instead of using a fastening member, for example, a joint extending from the shaft 13 is connected to the first object 2, and there are various connection methods.

As shown in fig. 9, the combination of the third embodiment and the seventh embodiment of the present invention is a three-axis spherical pan-tilt with the turntable.

As shown in fig. 10A and 10B, a three-axis ball gimbal structure according to an eighth embodiment of the present invention is as shown in fig. 10A, and is characterized in that a U-shaped groove 116 is formed in the main body 11 downward from the ball receiving portion opening 113, the ball receiving portion 111 is connected to the external space S through the U-shaped groove 116, the U-shaped groove 116 is spaced from the notch 14 by a certain distance, and by loosening the fixing member set 115, the ball 12 can be rotated to place the first extending portion 121 in the U-shaped groove 116 as shown in fig. 10B, so as to increase the adjustable angle of the first extending portion 121.

While the foregoing description and description are of the preferred embodiments of the present invention, other modifications of the invention shall be apparent to those skilled in the art from the following claims and their equivalents, and it is intended that such modifications shall be included within the scope of the appended claims.

Claims

1. A three-axis spherical universal structure is used for connecting a first object and a second object, and is characterized in that:

a main body, which is provided with a sphere containing part and a rotating shaft containing part, the sphere containing part is adjacent to the rotating shaft containing part up and down, the sphere containing part extends upwards to an external space to form a sphere containing part opening, the diameter of the sphere containing part opening is smaller than that of the sphere containing part, the rotating shaft containing part extends downwards to the external space to form a rotating shaft containing part opening, the diameter of the rotating shaft containing part opening is smaller than that of the rotating shaft containing part, the main body is provided with a notch, the notch extends from the sphere containing part opening to the rotating shaft containing part opening, the sphere containing part and the rotating shaft containing part are connected with the external space through the notch, and a fixing piece set is arranged at a proper position close to the sphere containing part opening; and

the ball body is provided with a first extension part which extends outwards from the ball body; and

a rotating shaft, which has a proper shape to make the rotating shaft rotate horizontally in the rotating shaft holding part; and wherein, the gap of the main body is opened to a predetermined angle, the rotating shaft is placed in the accommodating part of the rotating shaft, the ball body is placed in the accommodating part of the ball body, the rotating shaft is connected with the first object through the opening of the accommodating part of the rotating shaft, the first extending part penetrates out from the opening of the accommodating part of the ball body and is connected with the second object, the gap of the main body is closed, the gap is reduced by locking the fixing member set, the ball body and the accommodating part of the rotating shaft respectively clamp the ball body and the rotating shaft, the ball body is pushed downwards to abut against the rotating shaft, the ball body is not rotatable, the rotating shaft is not horizontally rotatable relative to the main body, the gap is enlarged by loosening the fixing member set, the ball body is loosened and the rotating shaft is loosened by loosening the accommodating part of the rotating shaft, the ball body and the rotating shaft are loosened, and the ball body can rotate, the shaft is also horizontally rotatable relative to the body.

2. The triaxial ball gimbal structure of claim 1, wherein the shaft has a second extension, the second extension extending through the shaft receiving portion opening to the exterior space.

3. The triaxial ball gimbal structure as claimed in claim 1, wherein the first extension is a first extension rod, a thread is formed on an end of the first extension rod away from the ball, and a platform is formed at a suitable position of the first extension rod, and the thread protrudes above the platform.

4. The triaxial ball gimbal structure as claimed in claim 1, wherein a first tapered surface is disposed at an appropriate location inside the accommodating portion, the first tapered surface is tapered toward the opening of the accommodating portion, and a second tapered surface is disposed at an appropriate location outside the shaft, the tapered end of the second tapered surface is toward the opening of the accommodating portion and corresponds to the first tapered surface.

5. The triaxial ball gimbal structure of claim 1, wherein the top of the shaft has an arcuate surface with a curvature corresponding to the curvature of the ball.

6. The three-axis ball gimbal structure of claim 1, further comprising a rotating plate, wherein the diameter of the rotating plate is larger than the diameter of the opening of the accommodating portion of the rotating shaft, the rotating plate is coupled to the rotating shaft through the opening of the accommodating portion of the rotating shaft, a first fastening member is disposed in the rotating shaft, a central hole is disposed in the center of the rotating shaft, the central hole extends from the rotating shaft to the direction of the rotating plate and communicates with the external space, and the rotating shaft and the first object are fixed to each other by the first fastening member.

7. The triaxial ball gimbal structure as claimed in claim 1, wherein a U-shaped groove is formed in the main body downward from the opening of the ball receiving portion, the ball receiving portion is connected to the external space through the U-shaped groove, and the U-shaped groove is spaced apart from the gap.