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A two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure

A degree of freedom and ball joint technology, applied in the field of ball joints, can solve the problems of inability to achieve stable control of the horizontal plane of the screen, inability to achieve spatial positioning control, etc., and achieve the effects of simple structure, strong locking force, and good dust-proof sealing effect.

Active Publication Date: 2021-04-27
UNI WAY RESOURCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current ball joints have three degrees of freedom, which cannot achieve stable spatial positioning control. For example, spherical clouds cannot achieve stable control of the horizontal plane of the picture during dynamic shooting.

Method used

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  • A two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure
  • A two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure
  • A two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure

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Embodiment Construction

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0039] Such as Figure 1 to Figure 19 As shown, the present invention provides a two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure, including: an outer shell 40 with an accommodation cavity; located in the accommodation cavity of the outer shell 40 and can be placed in the The hollow sphere 10 rotating in the accommodating cavity, such as Figure 8 and Figure 9 As shown, more than half of the spherical surface of the sphere 10 is located in the accommodating cavity of the outer shell 40, that is, most of the sphere 10 is located in the accommodating cavity of the outer shell 40, and the lower part of the sphere 10 is On the hemispherical surface, a trough 11 with a center plane of symmetry positioned on the vertical center plane of the sphe...

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Abstract

The invention discloses a two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure, which comprises: an outer casing with an accommodating cavity; located in the accommodating cavity of the outer casing and capable of rotating in the accommodating cavity A hollow sphere, the lower hemispherical surface of the sphere is provided with a groove; vertically inserted into the outer shell and located below the sphere, the axis line passes through the center of the sphere; the stopper pin is arranged on the The first worm gear assembly in the outer shell is used to drive the stopper pin to do linear reciprocating motion in the vertical direction; wherein, the first worm gear assembly drives the top of the stopper pin to insert or withdraw from the slot body to realize the adjustment of the degree of freedom of rotation of the sphere. The switchable ball joint structure with two degrees of freedom and three degrees of freedom has the advantages of simple structure and convenient adjustment.

Description

technical field [0001] The invention relates to the technical field of ball joints, in particular to a convertible ball joint structure with two degrees of freedom and three degrees of freedom. Background technique [0002] Ball joints are one of the most common structures in mechanical structures, and are widely used in mechanisms such as steering linkages, supports, and space adjustments. One of the most common applications is the pan / tilt of cameras and video cameras, which are used to connect and direct photography (image) machines. However, most of the current ball joints have three degrees of freedom, which cannot achieve stable spatial positioning control. For example, spherical clouds cannot achieve stable control of the horizontal plane of the picture during dynamic shooting. Therefore, it is necessary to study a two-degree-of-freedom and three-degree-of-freedom convertible ball joint structure. Contents of the invention [0003] Aiming at the deficiencies in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C11/06F16J15/16
CPCF16C11/06F16J15/16F16C11/10F16M11/14F16C2361/00F16M2200/024F16M11/18A63F13/24
Inventor 班兆明
Owner UNI WAY RESOURCE CO LTD
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