Friction compensation mechanism for lifting support device
A technology of a support device and a compensation mechanism, which is applied in the direction of pivot connection, etc., can solve problems such as adjustment and inability to carry out height, and achieve the effects of convenient assembly, increased display types, and improved convenience.
Active Publication Date: 2015-01-14
JARLLYTEC CO LTD
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Problems solved by technology
[0005] However, if the elastic force of the aforementioned constant force spring is less than the weight of the display, the supporting base and the friction force of the pair of slide rails, the display will drop and abut against the bottom of the pair of slide rails of the upright frame, and the height cannot be adjusted.
Conversely, if the elastic force of the constant force spring is greater than the weight of the display, the supporting base and the friction force of the pair of slide rails, the display will rise and abut against the top of the pair of slide rails of the upright frame, and the height cannot be adjusted.
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[0017] In order to further disclose the specific technical content of the present invention, first please refer to the accompanying drawings.
[0018] Such as figure 1 and 3 As shown, the friction compensation mechanism of the present invention is installed between the support seat and the upright frame of the known lifting support device, and the friction compensation mechanism includes an elastic device 1, at least one hinge device 2, and a crank 3. composition.
[0019] The elastic device 1 has a pair of oppositely arranged supports 11, a pair of lower shaft holes 111 and a pair of upper shaft holes 112 are provided on the vertical surfaces of the pair of supports 11 axially opposite each other, and at least one horizontal plane at the bottom of the pair of supports 11 is provided. The connecting holes 113 are used for known connecting parts, such as screws, to pass through the connecting holes 113 and be locked to the upright frame or supporting seat of the known lifting...
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The invention relates to a friction compensation mechanism for a lifting support device. The friction compensation mechanism comprises an elastic device, at least one pivoting device arranged on at least one side of a pair of brackets, and a crank, wherein a shaft barrel which is connected with a constant force spring in a sheathing way is arranged between the brackets of the elastic device; shaft rods of the pivoting devices are further respectively connected with a friction plate and at least one elastic component in a sheathing way on the adjoining surfaces of the corresponding brackets, and the friction plates are linked with the shaft rods; an extending piece with the thickness variation extends along the radial direction towards the direction of the pivoting devices from the crank, a sliding rail is arranged along the axial direction of the extending piece, and the shaft rods pass through the sliding rail. The crank is rotated, and the elastic components are respectively extruded or released by the thick part or the thin part of the sliding rail of the extending piece, so that the friction between the friction plates and all the corresponding brackets adjoined with the friction plates is additionally increased or is returned to the original friction, and the rotation of shaft barrel and elastic force of the constant force spring are inhibited, or the elastic force of the constant force spring is released.
Description
technical field [0001] The invention relates to the field of lifting support devices, in particular to a friction compensation mechanism for lifting support devices. Background technique [0002] Displays, especially flat-panel displays, in order to respond to changes in viewing angles, in addition to the function of adjusting the elevation angle, some operators have also added the function of height adjustment, so that the height of the display can be adjusted to suit people of different sizes, thus conforming to ergonomics demands. [0003] Generally speaking, the lifting and supporting device used for the display is to install a support base between a pair of slide rails, so that the movable rails on both sides of the support base can move longitudinally along the fixed rails of the pair of slide rails to adjust The height of this display. Furthermore, in order to make the display have stagnant positioning effect, the industry installs at least a certain force spring be...
Claims
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Inventor 张国峰郑杰友
Owner JARLLYTEC CO LTD