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Supporting device

A technology of a support device and a movable rod, which is applied to other seating furniture and other directions, can solve the problems of cumbersome operation, large lifting step difference, unreasonable structure, etc.

Inactive Publication Date: 2018-11-23
赵本博
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing devices of this type have disadvantages such as unreasonable structure, large lifting step difference, and cumbersome operation.

Method used

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Embodiment Construction

[0015] The present invention will now be further described with reference to the accompanying drawings.

[0016] Such as figure 1 There are inward and opposite racks 3 on both sides of the movable rod 2, the vertical slider 5 and the horizontal slider 4 can slide on the guide rail 7 connected to the upper part of the fixed rod respectively, and the outer sides of the two horizontal sliders 4 There is a row of teeth at the end to match the above-mentioned rack. The shape of the teeth is a triangle on the upper plane and the lower slope, and the teeth on the rack are opposite; The upper slope produces an outward thrust on the column 9 at the inner end of the horizontal slider 4, presses the horizontal slider 4 to the rack 3, pushes the button 11 on the vertical slider 5 upward, and the lower slope of the oblique slot 10 faces inward Push the column (9) to separate the teeth from the rack; the upper end of the deceleration block 13 is hinged to the lower part of the fixed rod bu...

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PUM

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Abstract

The invention discloses a supporting structure of a device which is used for preventing the head of a student from dropping in learning and lifting the jaw of the student. According to the supportingstructure, inward racks (3) are arranged on the two sides of a movable rod (2), the movable rod can slide up and down in a fixed rod (1) or along a guiding groove of the fixed rod (1), a horizontal sliding block (4) or a swinging block (6) is arranged at the upper part of the fixed rod (1), teeth are arranged at the outer end of the horizontal sliding block (4) or the swinging block (6), the outerend of the fixed rod (1) is pressed to the racks (3) by a spring (12) or self gravity or gravity of a vertical sliding block (5), the teeth are in triangular shapes with planes at the tops and slopesat the bottoms, and the teeth are matched with the racks (3) on the two sides of the movable rod; thus, the movable rod (2) can slide upwards and can be prevented from sliding downwards; when a knob(11) or a rotary knob (8) is upwards pushed or pressed down, the teeth can be broken away from the racks (3), and the movable rod (2) can slide downwards by relying on gravity to finish folding action; in order to preventing the movable rod (2) from descending too quickly and causing larger impact to the bottom, a slowing down block (13) is arranged at the bottom of the fixed rod (1), and a slopeor a hook face of the slowing down block (13) is pushed to the guiding groove which the movable rod (2) descends in by the spring (12) or self gravity.

Description

technical field [0001] The invention relates to a support device clamped on the edge of a table, used to prevent students from drooping their heads gradually and hold up their chins when studying, especially a fixing rod connected to the clamping device by its lower end and A support device composed of a movable rod that can slide up and down in a fixed rod or along its guide groove. Background technique [0002] Existing devices of this type have disadvantages such as unreasonable structure, large lifting steps, and cumbersome operations. Contents of the invention [0003] The purpose of the present invention is to provide a supporting device with reasonable structure, reliable performance, small lifting step difference and quick operation. [0004] In order to achieve the above purpose, it is achieved through the following technical solutions: [0005] There are racks or anti-skid surfaces on one side or both sides of the movable rod of the supporting device of the pre...

Claims

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Application Information

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IPC IPC(8): A47C16/00
CPCA47C16/00
Inventor 赵本博
Owner 赵本博
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