Anti-humpback student desk with adjustable backrest

An anti-hunchback and adjustable technology, applied in the field of student desks, can solve the problems of students keeping, books fixed on desks, and the angle of desks cannot be adjusted, so as to achieve simple operation, high adjustment efficiency, and avoid hunchback. Effect

Active Publication Date: 2021-04-02
云阳县紫金小学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the disadvantages that the current desks make it difficult for students to maintain a good sitting posture, it is difficult to fix books on the desks, and the angle of the desktop of the desks cannot be adjusted, so that students cannot read the contents of the book at a better angle, the present invention, The technical problem to be solved by the present invention is to provide a student desk with an adjustable backrest and an anti-hunchback that can be used in combination with a stool, can clamp the back of the student, ensure a good sitting posture for the student, and can adjust the angle of the desk top

Method used

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  • Anti-humpback student desk with adjustable backrest
  • Anti-humpback student desk with adjustable backrest
  • Anti-humpback student desk with adjustable backrest

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] An adjustable backrest anti-hunchback student desk, such as Figure 1 to Figure 5 As shown, it includes base 1, telescopic rod 2, fastening bolt 21, storage box 3, barrier mechanism 4 and backrest mechanism 5, four telescopic rods 2 are installed on the top of base 1, and telescopic rod 2 is threadedly connected with Tightening bolt 21, storage box 3 is connected between the tops of four telescopic rods 2, the right side of storage box 3 is equipped with blocking mechanism 4, and base 1 right side is equipped with backrest mechanism 5.

[0030] The blocking mechanism 4 includes a first guide slide frame 41, a baffle plate frame 42, a block 43, a first guide rod 44 and a first spring 45, and the right end middle part of the storage box 3 is connected with the first guide slide frame 41, the second A baffle frame 42 is slidably connected to a guide carriage 41, and a first guide rod 44 is slidably connected to the bottom of the baffle frame 42, and a block 43 is connected...

Embodiment 2

[0034] On the basis of Example 1, such as Figure 7 and Figure 8 Shown, also comprise lifting mechanism 6, and lifting mechanism 6 comprises the 3rd guide slide frame 61, the first support frame 62, top plate 63, guide block 64, the 3rd guide rod 65, the 3rd spring 66 and pull bar 67, base 1 The middle parts of the front and rear sides are connected with the third guide frame 61, the upper parts of the four telescopic rods 2 are connected with the first support frame 62, and the top plate 63 is connected between the four first support frames 62, and the front and rear of the top plate 63 Both sides are slidably connected with a third guide rod 65, the tail end of the third guide rod 65 is connected with a guide block 64, the guide block 64 cooperates with the third guide carriage 61, and the first guide block 64 is connected with the top plate 63. Three springs 66, and a pull rod 67 connected to the bottom of the guide block 64.

[0035] At first, all the fastening bolts 21 a...

Embodiment 3

[0039] On the basis of Example 2, such as Figure 6 and Figure 9 As shown, the opening and closing mechanism 8 is also included, and the opening and closing mechanism 8 includes a drawer 81, a fourth spring 82, a second rack 83, a second missing tooth bevel gear 84, a third support frame 85, and a second spur gear 86 and the second bevel gear 87, the front side of the storage box 3 is slidingly connected with a drawer 81, the rear end of the drawer 81 and the storage box 3 are connected with a fourth spring 82, and the bottom of the storage box 3 is sliding on the left side. The ground is connected with a second rack 83, the front end of the second rack 83 is connected with the front wall of the drawer 81, the front end of the rotating shaft 73 is connected with a second bevel gear 84 with missing teeth, and the bottom front side of the storage box 3 is connected with a third gear. The support frame 85, the third support frame 85 is rotatably connected with a second spur gea...

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PUM

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Abstract

The invention relates to a student desk, in particular to an anti-humpback student desk with an adjustable backrest. The technical problem to be solved by the invention is to provide the anti-humpbackstudent desk with the adjustable backrest, wherein the student desk can be used in combination with a stool, can clamp the back of a student, ensures a good sitting posture of the student and can adjust the angle of the desktop of the desk. In order to solve the technical problem, the anti-humpback student desk with the adjustable backrest provided by the invention comprises a base, wherein a telescopic rod is mounted at the top of the base; a fastening bolt arranged on the telescopic rod; a storage box connected to the top of the telescopic rod; a blocking mechanism mounted on the side surface of the storage box; and a backrest mechanism connected to the base. By means of the blocking mechanism and the backrest mechanism, it can be guaranteed that a student can achieve a good sitting posture in class, the blocking mechanism can be adjusted in a lifting mode to be suitable for students with different heights, and hunchback of the student is avoided.

Description

technical field [0001] The invention relates to a student desk, in particular to an adjustable backrest anti-hunchback student desk. Background technique [0002] After searching, the patent publication number is: the patent of CN207383852U, which discloses a kind of anti-myopia and anti-hunchback desk, including a desktop, the side wall of the desktop is hinged with a backrest, and a book slot is opened on one side of the backrest, and the book slot and the backrest cooperate In use, wherein a baffle plate connected to a spring on one side is provided in the book slot; an anti-hunchback plate is provided on the side of the desktop that is closer to the user, and a slide plate fixed by screws is provided inside the anti-hunchback plate; the anti-hunchback plate The bottom rotates to connect the gear; one side of the anti-hunchback plate is provided with a chute, and a bump with a spring on one side is arranged in the chute, one side of the bump is welded to the ejector rod, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47B41/00A47B41/02A47B9/14A47B9/20A47B39/02A47B39/08A47B39/10A47B83/02A47B88/457A47B88/467
CPCA47B41/00A47B41/02A47B39/08A47B39/10A47B39/02A47B39/023A47B9/14A47B9/20A47B83/02A47B88/467A47B88/457
Inventor 杨修齐
Owner 云阳县紫金小学
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