Positioning gas pressure column

A technology of gas pressure and positioning bosses, applied in the direction of fluid pressure actuators, etc., can solve the problems of inability to guarantee, inability to rotate, inability to perform precise positioning, etc., to achieve the effect of reducing wear and ensuring precise height

Inactive Publication Date: 2013-07-24
KUNSHAN THETA MICRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In addition, there is a similar gas pressure mechanism, although it can solve technical problems such as non-contact design and non-rotation, but it cannot be accurately positioned, and cannot guarantee that when the pressure column is connected to the platform, the top of the column and the platform exact height

Method used

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear" etc. are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orie...

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Abstract

The invention discloses a positioning gas pressure column which comprises a spherical body and a column body, wherein the upper part of the column body is provided with a spherical crown cavity communicated with outside, a through hole is formed in the column body, the spherical body is arranged in the spherical crown cavity, a positioning lug boss is arranged on the middle part of the column body, the lower surface of the positioning lug boss is smooth and has a requirement on precision, the lower part of the column body is provided with a thread, and a groove is arranged above the thread. According to the accurate positioning gas pressure column disclosed by the invention, input gas passes through the through hole and is imported into the spherical crown cavity, so that the spherical body floats up to transfer pressure outwards; in addition, as the spherical body can rotate in any direction, the friction between the spherical body and a workpiece is rolling friction, so that the damage caused by friction due to the fact that the workpiece shifts when being touched can be reduced, and meanwhile the accurate set pressure can be provided; and meanwhile, owing to the arrangement of the positioning lug boss and the groove, the pressure column can accurately ensure the height on a platform connected with the pressure column.

Description

technical field [0001] The invention relates to the field of pressure transmission devices, in particular to a positioning gas pressure column. Background technique [0002] Utilizing spring force to transmit pressure through a column is a common mechanism with a wide range of uses, but this mechanism has a single function and is a contact design that requires the spring to be in contact with specific components, and generally does not provide the function of rotation ; Or it can provide a rotation function, but it is still a contact design, and it is still difficult to avoid a large friction force. For example, the spring plunger, which is often used in industry, its main function is to provide a certain pressure. [0003] In addition, there is a similar gas pressure mechanism, although it can solve technical problems such as non-contact design and non-rotation, but it cannot be accurately positioned, and cannot guarantee that when the pressure column is connected to the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/00
Inventor 魏志凌宁军高永强
Owner KUNSHAN THETA MICRO
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