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Corner stepless locating joint

A stepless, articulated technology, applied in pivot connections and other directions, to achieve the effect of not easy to wear

Inactive Publication Date: 2016-10-26
广东凯敦电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a stepless positioning joint with reliable positioning and a large supporting torque range, which is especially suitable for occasions such as infrared health care equipment that require frequent rotation and positioning of the joint, so that the irradiation device installed on the rotating rod The head is easy to adjust the irradiation angle, so as to irradiate different parts of the human body, so as to overcome the deficiencies in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1-2 As shown, the angle stepless positioning joint includes a first component and a second component, wherein the first component includes a lower bar plate 17 , and the second component is a rotating part, and a first through hole 14 is provided in its rotating part. The corner stepless positioning joint also includes a friction pair and an elastic sheet 6, the friction pair is installed between the first member and the second member, and the friction pair includes at least one polygonal friction sheet. The lower rod plate 17 is provided with a hinge shaft 7 and a shrapnel groove 8, the axis of the hinge shaft is perpendicular to the axis of the first member, the rotating part of the second member is provided with a first through hole 14, and a friction groove 13 is provided around the first through hole, The first through hole of the rotating part is sleeved on the hinge shaft, and the friction pair includes a first friction pair and a second friction ...

Embodiment 2

[0036] Such as Figure 3-6 As shown, the angular stepless positioning joint includes a first member, a second member, a friction pair, and an elastic sheet. The friction pair is installed between the first member and the second member, and the friction pair includes at least one polygonal friction sheet. The first component is a fixed tube 11, the second component is a rotating part, and also includes left and right friction plate fixing seats 9 that can be inserted into the fixed tube 11. The rotating part of the second component is provided with a left hinge shaft 7 and a right hinge shaft 7. The second through hole 19 is arranged on the right friction plate fixing seat, and the left friction plate fixing seat is provided with a friction groove 20 around the second through hole, and the second through hole is sleeved on the left and right hinge shafts, and the friction pair includes a third friction pair and the fourth friction pair, the third friction pair includes static p...

Embodiment 3

[0039] Such as Figure 7-8 As shown, the angular stepless positioning joint includes a first member, a second member, a friction pair, and an elastic sheet. The friction pair is installed between the first member and the second member, and the friction pair includes at least one polygonal friction sheet. The first component is a fixed tube 11, the second component is a rotating part, and also includes left and right friction plate fixing seats 9 that can be inserted into the fixed tube 11. The rotating part of the second component is provided with a left hinge shaft 7 and a right hinge shaft 7. The second through hole 19 is arranged on the right friction plate fixing seat, and the left friction plate fixing seat is provided with a friction groove 20 around the second through hole, and the second through hole is sleeved on the left and right hinge shafts, and the friction pair includes a third friction pair and the fourth friction pair, the third friction pair includes static p...

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Abstract

The invention discloses a corner stepless locating joint which comprises a first member and a second member, and further comprises a friction pair and an elastic sheet, wherein the friction pair is mounted between the first member and the second member and comprises at least one polygonal friction sheet. The corner stepless locating joint can provide a wide range of support torques through the friction pair; the friction sheet is subjected to surface contact and pressure is dispersed, so that a friction surface is not liable to abrade.

Description

technical field [0001] The invention relates to a corner stepless positioning joint. Background technique [0002] Angle stepless positioning joints or hinges are used in various places such as desk lamps, operating lights, and supports for computer or TV screens. Chinese patents CN103742880B and CN103742881A respectively disclose a joint mechanism of a large desk lamp or a small desk lamp, which uses wedge-shaped blocks or arc-shaped shrapnels to rub against the inner cavity wall to realize the stepless positioning of the rotating arm. However, the inner cavity wall of this structure and the wedge-shaped There may be line contact between blocks or shrapnel, and local pressure is relatively large, which is easy to cause wear. Chinese patent CN102146955B discloses a mechanical joint angle stepless adjustment and locking structure, loosening or locking the torsion spring to realize the movement and locking positioning of the rotating arm, and CN101721234A discloses an electri...

Claims

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Application Information

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IPC IPC(8): F16C11/04
CPCF16C11/04
Inventor 彭卫东薛勍周启安龙琼珍梁广斌罗贺良
Owner 广东凯敦电子科技有限公司
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