Desk and chair convenient to clean

By designing sliding covers and locking knobs on the desks and chairs, the chairs can be fixed and rotated, solving the problems of difficult cleaning of existing desks and chairs and floor wear, and achieving convenient cleaning.

CN224125482UActive Publication Date: 2026-04-17JIANGXI FAHUA EDUCATION EQUIP GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI FAHUA EDUCATION EQUIP GRP CO LTD
Filing Date
2025-05-16
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing desks and chairs are placed directly on the ground, lacking convenient fixing and rotating mechanisms, which makes cleaning difficult, increases workload, and may wear down the floor, affecting cleaning efficiency.

Method used

Design a desk and chair system that uses a sliding sleeve, locking knob, telescopic chair legs, slide rail, slider, limit rod, and adjustment components to allow the chair to be fixed to the desk and then rotated, making it easy to clean and avoiding repeated moving.

Benefits of technology

It enables cleaning of the area under desks and chairs without repeatedly moving chairs, reducing cleaning difficulty and floor wear, and improving cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of education equipment, in particular to a desk and chair convenient to clean. According to the desk and chair convenient to clean, the chair can be conveniently fixed to the desk and then rotated, the lower portion of the desk and the lower portion of the chair can be conveniently cleaned, and the chair does not need to be moved repeatedly. A desk and chair convenient to clean comprises a chair, a desk, a shell, sliding sleeves and the like, the chair is located in front of the desk, the left portion and the right portion of the desk are rotationally connected with the sliding sleeves, and the left side of the right sliding sleeve is connected with the shell. The chair is moved backwards to drive the sliding block to move, then the limiting rod is moved inwards to enable the limiting rod to be connected with the chair in a clamped mode, then the rocker is rotated to drive the small gear to rotate, the small gear is meshed with the large gear to move, and the desk and the chair are driven to rotate, so that the chair can be conveniently fixed to the desk to rotate; cleaning of the desk and the lower portion of the chair is facilitated, and the chair does not need to be moved repeatedly.
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Description

Technical Field

[0001] This utility model relates to the field of educational equipment, and in particular to a desk and chair that is easy to clean. Background Technology

[0002] In classrooms or learning environments, desks and chairs are basic learning facilities. Their design and function often focus on providing a comfortable sitting posture and reasonable writing space. However, during daily maintenance and cleaning, the area under desks and chairs often becomes a dead corner that is difficult to clean. Since chairs are usually placed directly on the ground and lack convenient fixing and rotating mechanisms, students need to move the chairs repeatedly when cleaning the floor. This not only increases the difficulty and workload of cleaning, but may also cause unnecessary wear and tear on the floor, while affecting cleaning efficiency.

[0003] Therefore, there is a need to design a desk and chair system that allows the chair to be easily fixed to the desk and then rotated, making it convenient to clean under the desk and chair without having to repeatedly move the chair. Utility Model Content

[0004] To overcome the shortcomings of existing desks and chairs, which are usually placed directly on the ground and lack convenient fixing and rotating mechanisms, requiring students to repeatedly move chairs when cleaning the floor, which not only increases the difficulty and workload of cleaning but may also cause unnecessary wear and tear on the floor and affect cleaning efficiency, this utility model provides a desk and chair that can be easily fixed to the desk and rotated, making it convenient to clean under the desk and chair without having to repeatedly move the chair.

[0005] The technical solution is as follows: A desk and chair that is easy to clean includes a chair, a desk, a shell, sliding sleeves, desk legs, a first locking knob, telescopic chair legs, a second locking knob, a connecting rod, a slide rail, a slider, and an adjustment component. The chair is located in front of the desk. Sliding sleeves are rotatably connected to both sides of the desk. The shell is connected to the left side of the right sliding sleeve, and the shell contacts the desk. Desk legs are slidably connected to the sliding sleeves. A first locking knob is threadedly connected to the lower part of each sliding sleeve, and the first locking knob engages with the adjacent desk leg. Telescopic chair legs are connected to the lower sides of both sides of the chair. The fixed ends of the telescopic chair legs are threadedly connected to the second locking knob. A connecting rod connects the telescopic ends of the telescopic chair legs. Slide rails are connected to the lower sides of both sides of the desk. Sliders are connected to both sides of the chair, and the sliders engage with the adjacent slide rails. An adjustment component is provided between the shell and the desk to facilitate fixing the chair to the desk and then rotating it.

[0006] As a further preferred option, both the first and second locking knobs are provided with anti-slip textures.

[0007] As a further preferred option, the limiting rod has an L-shaped structure.

[0008] As a further preferred option, it also includes limit rods, with limit rods sleeved on the front of the slide rails, and limit holes opened on both the left and right sides of the chair, with the limit rods engaging with the chair through the limit holes.

[0009] As a further preferred embodiment, the adjustment assembly includes a rocker arm, a large gear, and a small gear. The rocker arm is rotatably connected to the rear of the housing, the small gear is connected to the left side of the rocker arm, and the large gear is connected to the right side of the desk. Both the large gear and the small gear are located inside the housing, and the large gear and the small gear mesh with each other.

[0010] As a further preferred option, the joystick is equipped with a soft pad.

[0011] This utility model has the following advantages: By moving the chair backward, the slider moves, and then the limiting rod moves inward, so that the limiting rod engages with the chair. Then, the rocker arm is turned, which drives the small gear to rotate. The small gear and the large gear mesh with each other, causing the desk and chair to rotate. This achieves the effect of easily fixing the chair to the desk and then rotating it, which is convenient for cleaning under the desk and chair without having to move the chair repeatedly. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is a three-dimensional structural diagram of the table legs and the first locking knob of this utility model.

[0014] Figure 3 This is a three-dimensional structural diagram of the telescopic chair legs and connecting rods of this utility model.

[0015] Figure 4 This is a three-dimensional structural diagram of the slide rail and limit rod components of this utility model.

[0016] Figure 5 This is a three-dimensional structural diagram of the slider and limiting hole of this utility model.

[0017] Figure 6 This is a three-dimensional structural diagram of the large gear and small gear components of this utility model.

[0018] The components are: 1-chair, 2-desk, 3-outer shell, 4-rocker, 5-sliding sleeve, 6-table leg, 7-first locking knob, 8-telescopic chair leg, 81-second locking knob, 9-connecting rod, 10-slide rail, 11-limiting rod, 12-slider, 13-limiting hole, 14-large gear, 15-small gear. Detailed Implementation

[0019] The technical solution will be further described below with reference to specific embodiments. It should be noted that the terms "up," "down," "left," and "right" used in this document refer only to the position of the structure shown in the corresponding drawings. The serial numbers assigned to components in this document, such as "first," "second," etc., are only used to distinguish the described objects and have no sequential or technical meaning. Unless otherwise specified, terms such as "connection" and "linkage" in this application include both direct and indirect connections (linkages).

[0020] A type of desk and chair that is easy to clean, such as Figures 1-5 As shown, the device includes a chair 1, a desk 2, a shell 3, a sliding sleeve 5, desk legs 6, a first locking knob 7, telescopic chair legs 8, a second locking knob 81, a connecting rod 9, a slide rail 10, a slider 12, and an adjustment assembly. The chair 1 is located in front of the desk 2. Sliding sleeves 5 are rotatably connected to both sides of the desk 2. The right sliding sleeve 5 is connected to the shell 3 on its left side, and the shell 3 contacts the desk 2. Desk legs 6 are slidably connected to the sliding sleeves 5. First locking knobs 7 are threadedly connected to the lower part of each sliding sleeve 5. The first locking knobs 7 are all connected to... The adjacent table legs 6 are snapped together. The lower sides of the left and right sides of the chair 1 are connected to telescopic chair legs 8. The fixed ends of the telescopic chair legs 8 are threadedly connected to the second locking knobs 81. The first locking knob 7 and the second locking knob 81 are provided with anti-slip texture for easy gripping. The telescopic ends of the telescopic chair legs 8 are connected to the connecting rods 9. The lower sides of the left and right sides of the desk 2 are connected to the slide rails 10. The left and right sides of the chair 1 are connected to the sliders 12. The sliders 12 are all slidably snapped together with the adjacent slide rails 10. An adjustment component is provided between the outer shell 3 and the desk 2.

[0021] like Figure 4 and Figure 5 As shown, it also includes a limit rod 11. The front part of the slide rail 10 is fitted with a limit rod 11. The limit rod 11 has an L-shaped structure. Limit holes 13 are opened on both the left and right sides of the chair 1. The limit rod 11 is engaged with the chair 1 through the limit holes 13.

[0022] like Figure 1 and Figure 6 As shown, the adjustment assembly includes a rocker arm 4, a large gear 14, and a small gear 15. The rocker arm 4 is rotatably connected to the rear of the outer casing 3. The rocker arm 4 is equipped with a soft pad for easy gripping. The small gear 15 is connected to the left side of the rocker arm 4, and the large gear 14 is connected to the right side of the desk 2. Both the large gear 14 and the small gear 15 are located inside the outer casing 3, and the large gear 14 and the small gear 15 mesh with each other.

[0023] When using this device, first place chair 1 and desk 2 in the classroom, supported by desk legs 6 and telescopic chair legs 8. Then, loosen the first locking knob 7 and the second locking knob 81. Next, adjust the desk legs 6 on the sliding sleeve 5, and then adjust the telescopic chair legs 8 to the appropriate height. Finally, tighten the first locking knob 7 and the second locking knob 81 before students use the device. When cleaning is needed under desk 2 and chair 1, move chair 1 towards desk 2 to fold it up, thus activating the sliding sleeve 5. Block 12 moves on slide rail 10, then the limiting rod 11 moves inward, so that the limiting rod 11 is engaged with chair 1 through limiting hole 13. Then the rocker arm 4 is turned, which drives the small gear 15 to rotate. The small gear 15 and the large gear 14 mesh with each other, causing the desk 2 to rotate, which in turn causes the chair 1 to rotate, so that the chair 1 is no longer in contact with the ground for cleaning. This makes it easy to fix the chair 1 to the desk 2 and then rotate it, which makes it easy to clean under the desk 2 and chair 1 without repeatedly moving the chair 1.

[0024] Although this disclosure has been described with respect to only a limited number of embodiments, those skilled in the art who benefit from this disclosure will understand that various other embodiments can be devised without departing from the scope of this invention. Therefore, the scope of this invention should be limited only by the appended claims.

Claims

1. A desk and chair combination which is easy to clean, characterised in that: The system includes a chair (1), a desk (2), a shell (3), a sliding sleeve (5), desk legs (6), a first locking knob (7), telescopic chair legs (8), a second locking knob (81), a connecting rod (9), a slide rail (10), a slider (12), and an adjustment assembly. The chair (1) is located in front of the desk (2). The desk (2) is rotatably connected to the sliding sleeves (5) on both the left and right sides. The right sliding sleeve (5) is connected to the shell (3) on the left side. The shell (3) is in contact with the desk (2). Desk legs (6) are slidably connected to the sliding sleeves (5). The lower part of the sliding sleeves (5) is threadedly connected to the first locking knob (7). Locking knobs (7) are engaged with adjacent table legs (6). The lower sides of the left and right sides of the chair (1) are connected to telescopic chair legs (8). The fixed ends of the telescopic chair legs (8) are threadedly connected to the second locking knobs (81). The telescopic ends of the telescopic chair legs (8) are connected to the connecting rods (9). The lower sides of the left and right sides of the desk (2) are connected to slide rails (10). The left and right sides of the chair (1) are connected to sliders (12). The sliders (12) are engaged with the adjacent slide rails (10). An adjustment component is provided between the outer shell (3) and the desk (2) to facilitate the rotation of the chair (1) after it is fixed to the desk (2).

2. The easy-to-clean desk and chair as described in claim 1, characterized in that: Both the first locking knob (7) and the second locking knob (81) are provided with anti-slip texture.

3. A self-cleaning school desk and chair as claimed in claim 1, wherein: It also includes a limit rod (11), the front of the slide rail (10) is fitted with a limit rod (11), and the left and right sides of the chair (1) are opened with limit holes (13). The limit rod (11) is engaged with the chair (1) through the limit hole (13).

4. A self-cleaning school desk and chair as claimed in claim 3, wherein: The limiting rod (11) has an L-shaped structure.

5. The easy-to-clean school desk and chair as claimed in claim 1, wherein: The adjustment assembly includes a rocker arm (4), a large gear (14) and a small gear (15). The rocker arm (4) is rotatably connected to the rear of the outer casing (3). The small gear (15) is connected to the left side of the rocker arm (4). The large gear (14) is connected to the right side of the desk (2). The large gear (14) and the small gear (15) are both located inside the outer casing (3). The large gear (14) and the small gear (15) mesh with each other.

6. A self-cleaning school desk and chair as claimed in claim 5 wherein: The rocker arm (4) is equipped with a soft pad.