Combined desk and chair with correction function

By using a modular desk and chair design with adjustable backrests, the problems of students slouching and sitting too deeply are solved, achieving effective posture correction and adaptive support.

CN223745996UActive Publication Date: 2026-01-02JIANGXI FEILIANG IND CO LTD
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Patent Information

Application Number
CN202520042648.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-02
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

The existing desks are mostly flat and lack any support structure, which makes it easy for students to slouch on the desk and have poor posture. The chairs are also difficult to adjust in depth, and cannot effectively support the backs of students who are shorter.

Method used

A modular desk and chair system was designed, which uses a limiting structure consisting of a fixed rod, a rotating sleeve, a vertical rod, a sleeve rod, a corrective crossbar, and an airbag cushion to prevent students from lying on the desk. The backrest position can be adjusted by a support rod and a locking sleeve to accommodate students of different heights.

Benefits of technology

It effectively corrects students' sitting posture, prevents them from slouching on the desk, and adjusts the backrest position to support the backs of students of different heights, ensuring proper sitting posture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The combined desk and chair with the correction function comprises a desk plate, a chair plate and telescopic supporting legs, the telescopic supporting legs are installed on the two sides of the lower portion of the desk plate and the two sides of the lower portion of the chair plate respectively, a desk drawer is further installed in the middle of the lower portion of the desk plate, and an installation groove is formed in the edge of the side, close to an opening of the desk drawer, of the desk plate. A rotating sleeve is rotatably mounted in the mounting groove through a fixed rod, a vertical rod is connected to the rotating sleeve, the vertical rod is slidably sleeved with a sleeve rod, and a pair of air bag cushions is mounted at the top end of the sleeve rod through a correcting cross rod; sliding rods are symmetrically installed on the two sides of the chair plate, a backrest is installed on the sliding rods through supporting rods, the vertical rods are connected with the sleeve rods through first lock sleeves, and the supporting rods are connected with the sliding rods through second lock sleeves. The limiting structure used for blocking the chest of the student is arranged, the student can be prevented from lying on the desk, the backrest is tightly attached to the back to provide support when the student sits by adjusting the position of the backrest, and the effect of correcting the sitting posture is further achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to desk and chair technical field especially a combined desk and chair with correction function. BACKGROUND

[0002] Desk and chair are essential facilities in educational places such as schools and training institutions, mainly used for students' activities such as class, study and writing, which are usually composed of desktop, chair surface and supporting structure, and ergonomics principles are considered in design to ensure students' comfortable use.

[0003] The existing desk is flat and does not set a limiting structure, so students are prone to lie on the desktop when using, resulting in improper posture when reading and writing, and the existing chair is difficult to adjust the sitting depth when in use, so when a student with short height sits, the back cannot be effectively supported by the backrest, which also causes the problem of improper sitting posture.

[0004] Therefore, we propose a combined desk and chair with correction function to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a combined desk and chair with correction function to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A combined desk and chair with correction function, comprising a desk plate, a chair plate and telescopic supporting legs, the telescopic supporting legs are respectively installed on the lower sides of the desk plate and the chair plate, a desk drawer is further installed on the lower middle part of the desk plate, an installation groove is formed on the edge of the side of the desk plate close to the open side of the desk drawer, a rotating sleeve is rotatably installed in the installation groove through a fixed rod, a vertical rod is connected to the rotating sleeve, a sleeve rod is slidably connected to the vertical rod, and a pair of air bag pads are installed on the top end of the sleeve rod through a correction cross bar;

[0008] Symmetrical slide rods are installed on both sides of the chair plate, and a backrest is installed on the slide rods through a supporting rod, the vertical rod and the sleeve rod are connected through a lock sleeve one, and the supporting rod and the slide rod are connected through a lock sleeve two.

[0009] In further embodiments, the telescopic supporting leg comprises a T-shaped chassis and a movable rod penetrating through the upper end of the T-shaped chassis, a plurality of positioning holes are formed on the surface of the movable rod in the vertical direction, and a bolt matched with the screw hole on the surface of the movable rod is screw-connected to the outer thread of the T-shaped chassis.

[0010] In further embodiments, a blocking strip is arranged on the inner wall of the installation groove, a convex strip is arranged on the side wall of the rotating sleeve, and when the vertical rod is rotated vertically upward, the convex strip is overlapped above the blocking strip.

[0011] In further embodiments, the front surface of the lock sleeve one is movably mounted with a pressing block, one end of the pressing block extending into the lock sleeve one is connected with a tapered block, and the tapered block is tightly attached with wedge-shaped blocks on both sides, the wedge-shaped blocks are connected with a clamping block through a connecting rod, and the clamping block is tightly attached with the outer wall of the vertical rod, and the connecting rod is further sleeved with a spring.

[0012] In further embodiments, the outer side wall of the vertical rod close to the clamping block is provided with a plurality of clamping strips along the length direction.

[0013] In further embodiments, the inner ring of the lock sleeve one is further movably mounted with a roller, and the roller is tightly attached with the outer wall of the vertical rod.

[0014] In further embodiments, the internal structure of the lock sleeve one is same as that of the lock sleeve two.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] The present application comprises a limiting structure for blocking the chest of a student by setting a vertical rod, a rotating sleeve, a vertical rod, a sleeve rod, a correction horizontal rod and an air bag pad, which can effectively prevent the student from lying on the desk, thereby achieving the effect of correcting the sitting posture, and the rotating sleeve and the sleeve rod can be telescopic to adjust the limiting height, and the rotating sleeve and the vertical rod can be rotated to facilitate the storage of the limiting structure in the desk drawer when not in use, which is more convenient to use.

[0017] The present application can be telescopic to adjust the position of the backrest by setting a supporting rod through the action of the lock sleeve two, so as to adjust the sitting depth of the chair plate, and can be adaptively adjusted for students of different heights to ensure that the backrest can be closely attached to the back of the student to provide support when sitting, thereby further achieving the effect of correcting the sitting posture. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the present application;

[0019] Figure 2 It is a partial structural schematic view of the installation of the correction horizontal rod and the desk plate of the present application;

[0020] Figure 3 It is a partial cutaway structural schematic view of the connection between the vertical rod and the rotating sleeve of the present application;

[0021] Figure 4 It is a top view sectional structural schematic view of the installation of the vertical rod and the lock sleeve one of the present application.

[0022] In the figure: 1, table board; 2, chair board; 3, telescopic supporting leg; 31, T-shaped chassis; 32, bolt; 33, movable rod; 4, backrest; 5, table drawer; 6, mounting groove; 61, blocking strip; 7, fixed rod; 8, rotating sleeve; 81, convex strip; 9, vertical rod; 91, clamping strip; 10, lock sleeve I; 101, pressing block; 102, conical block; 103, wedge-shaped block; 104, connecting rod; 105, spring; 106, clamping block; 107, roller; 11, sleeve rod; 12, correction crossbar; 13, air bag cushion; 14, sliding rod; 15, lock sleeve II; 16, supporting rod. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Please refer to Figure 1The utility model provides a combined desk and chair with a correcting function, which comprises a desk plate 1, a chair plate 2 and telescopic supporting legs 3, the telescopic supporting legs 3 are respectively arranged at the lower sides of the desk plate 1 and the chair plate 2, the telescopic supporting legs 3 comprise T-shaped chassis 31 and movable rods 33 which are movably arranged through the upper ends of the T-shaped chassis 31, the top ends of the movable rods 33 are fixed to the desk plate 1 or the chair plate 2, a plurality of positioning holes are formed in the surface of the movable rods 33 in the vertical direction, and the T-shaped chassis 31 is externally screwed with bolts 32 which are matched with the screw holes in the surface of the movable rods 33, so that the telescopic length of the telescopic supporting legs 3 can be controlled by adjusting the connection between the bolts 32 and the screw holes of different heights, and the height of the desk or the chair can be adjusted.

[0027] Please refer to Figures 1-3 The desk plate 1 is further provided with a desk drawer 5 arranged at the middle lower part of the desk plate 1 and used for storing books and learning tools, an installation groove 6 is formed in the edge of the desk plate 1 which is adjacent to the open side of the desk drawer 5, a fixed rod 7 is fixedly arranged in the installation groove 6, a rotating sleeve 8 is rotatably arranged on the fixed rod 7, the rotating sleeve 8 rotates around the fixed rod 7 in the installation groove 6, a vertical rod 9 is connected to the rotating sleeve 8, a sleeve rod 11 is slidably sleeved on the vertical rod 9 and inserted into the vertical rod 9, the vertical rod 9 and the sleeve rod 11 are connected through a locking sleeve 10, a correcting cross rod 12 is vertically arranged at the top end of the sleeve rod 11, and a pair of air bag pads 13 are arranged at the two ends of the correcting cross rod 12, when in use, the chest of a student is placed on the air bag pads 13, so that the student can be limited and prevented from leaning on the desk plate.

[0028] Please refer to Figure 3 In order to ensure the stability of the limiting, the inner wall of the installation groove 6 is provided with a blocking strip 61, the side wall of the rotating sleeve 8 is provided with a convex strip 81, when the vertical rod 9 is vertically upward, the convex strip 81 is overlapped above the blocking strip 61, so that the rotating sleeve 8 is limited and prevented from continuously rotating to the inside of the installation groove 6 when supporting and limiting.

[0029] Please refer to Figure 4, in order to facilitate the locking between the telescopic length of the vertical rod 9 and the sleeve rod 11, the front of the lock sleeve one 10 is movably installed with a pressing block 101, one end of the pressing block 101 extending into the lock sleeve one 10 is connected with a tapered block 102, and the tapered block 102 is tightly attached with wedge-shaped blocks 103 on both sides, the side of the wedge-shaped blocks 103 away from the tapered block 102 is connected with a clamping block 106 through a connecting rod 104, the connecting rod 104 adopts an L-shaped structure, so that the clamping block 106 is attached with the left and right outer walls of the vertical rod 9, and the connecting rod 104 is further sleeved with a spring 105, one end of the spring 105 is fixed with the lock sleeve one 10, and the other end is fixed with the protrusion on the outer wall of the connecting rod 104, so that when the pressing block 101 is pressed, the tapered block 102 presses the wedge-shaped blocks 103, drives the connecting rod 104 to pull the clamping block 106 away from the vertical rod 9, thereby loosening the vertical rod 9, and when the pressing block 101 is loosened, the connecting rod 104 can be reset under the elastic action of the spring 105, and at the same time, the clamping block 106 is tightly attached with the vertical rod 9, so as to lock the position of the lock sleeve one 10 on the vertical rod 9.

[0030] Please refer to Figures 2-3 , in order to improve the firmness of the locking, a plurality of clamping strips 91 are arranged on the outer side wall of the vertical rod 9 near the clamping block 106 along the length direction, the clamping block 106 can be clamped between adjacent clamping strips 91, so that the clamping block 106 can be limited by the clamping strips 91 and is not easy to slip off, and the locking is more stable.

[0031] Please refer to Figure 4 , in order to facilitate the sliding of the lock sleeve one 10 on the vertical rod 9, the inner ring of the lock sleeve one 10 is further rotatably installed with a roller 107, and the roller 107 is attached with the outer wall of the vertical rod 9, and through the rolling action of the roller 107, it is beneficial to reduce the sliding friction resistance between the vertical rod 9 and the lock sleeve one 10.

[0032] Please refer to Figure 1 , the chair plate 2 is symmetrically installed with horizontal slide rods 14 on both sides, and the slide rods 14 are sleeved with lock sleeves two 15, and the lock sleeves two 15 are fixed with support rods 16, and the two support rods 16 are installed with support the same backrest 4, the internal structure of the lock sleeve one 10 and the lock sleeve two 15 is same, and the surface of the slide rod 14 is also provided with the same clamping strips 91 as the surface of the vertical rod 9, so that the lock sleeve two 15 can adjust and lock the position on the slide rod 14, thereby adjusting the front and back positions of the backrest 4, and the adaptive adjustment is made for students of different heights, so that the backrest 4 can be closely attached with the back of the student to provide support when the student sits, and the effect of correcting the sitting posture is further achieved.

[0033] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0034] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A combined desk and chair with a correcting function, comprising a desk board (1), a chair board (2) and telescopic supporting legs (3) respectively installed at the lower sides of the desk board (1) and the chair board (2), characterized in that: The middle part of the table board (1) is also provided with a table drawer (5), and the edge of the table board (1) near the opening side of the table drawer (5) is provided with a mounting groove (6), a rotating sleeve (8) is rotatably installed in the mounting groove (6) through a fixing rod (7), a vertical rod (9) is connected to the rotating sleeve (8), a sleeve rod (11) is slidably sleeved on the vertical rod (9), and a pair of air bag cushions (13) are installed on the top end of the sleeve rod (11) through a correcting horizontal rod (12). The chair board (2) is symmetrically provided with a slide rod (14) on both sides, and a backrest (4) is installed on the slide rod (14) through a supporting rod (16), the vertical rod (9) and the sleeve rod (11) are connected through a lock sleeve (10), and the supporting rod (16) and the slide rod (14) are connected through a lock sleeve (15).

2. The combined desk and chair with a correcting function according to claim 1, characterized in that: The telescopic supporting leg (3) comprises a T-shaped chassis (31) and a movable rod (33) movably penetrating the upper end of the T-shaped chassis (31), a plurality of positioning holes are formed in the surface of the movable rod (33) in the vertical direction, and the T-shaped chassis (31) is externally screwed with a bolt (32) matched with the surface screw hole of the movable rod (33).

3. The combined desk and chair with a correcting function according to claim 1, characterized in that: The inner wall of the mounting groove (6) is provided with a blocking strip (61), and the side wall of the rotating sleeve (8) is provided with a convex strip (81), when the vertical rod (9) is rotated to be vertically upward, the convex strip (81) is overlapped above the blocking strip (61).

4. The combination desk and chair with a correcting function according to claim 1, characterized in that: The front surface of the lock sleeve (10) is movably provided with a pressing block (101), one end of the pressing block (101) extending into the lock sleeve (10) is connected with a tapered block (102), the two sides of the tapered block (102) are tightly provided with wedge-shaped blocks (103), the wedge-shaped blocks (103) are connected with clamping blocks (106) through connecting rods (104), the clamping blocks (106) are tightly combined with the outer wall of the vertical rod (9), and the connecting rods (104) are further sleeved with springs (105).

5. The combination desk and chair with a correcting function according to claim 4, characterized in that: The outer side wall of the vertical rod (9) near the clamping block (106) is provided with a plurality of clamping strips (91) in the length direction.

6. The combined desk and chair with a correcting function according to claim 1, characterized in that: The inner ring of the lock sleeve (10) is also rotatably provided with a roller shaft (107), and the roller shaft (107) is tightly combined with the outer wall of the vertical rod (9).

7. The combined desk and chair with a correcting function according to claim 1, characterized in that: The internal structures of the lock sleeve (10) and the lock sleeve (15) are the same.