A deployable flat lying school chair

Abstract

The utility model relates to a school chair technical field especially relates to a school chair that can lie flat. The utility model provides such a school chair that can lie flat, including fixed plate, cushion, fixed block, backrest, first moving plate, support plate, first placement pad, second moving plate and support frame, two fixed plates are commonly provided with the cushion, and the fixed plate inside rotation type is provided with the fixed block, and two fixed blocks are commonly provided with the backrest, and the cushion bottom sliding type is provided with two first moving plates, and the first moving plate one side is fixedly connected with the support plate, and the first moving plate between two is provided with the first placement pad, and the first placement pad bottom sliding type is provided with two second moving plates, and two second moving plate bottom front side commonly rotation type is provided with the support frame. Through the synergies of cushion extension section, backrest, support plate and support frame, the rest plane that accords with ergonomics is provided for students, and the comfort level is obviously improved.

Description

Technical Field

[0001] This utility model relates to the field of school chair technology, and in particular to a school chair that can be unfolded and reclined. Background Technology

[0002] School chairs are seats specifically designed for school classrooms, training venues, etc., and are usually used in conjunction with desks to provide students with a comfortable and safe learning environment. Their core features are functionality, durability, and space efficiency; some designs also incorporate adjustability to accommodate different heights or usage scenarios.

[0003] Patent publication number CN210727250U relates to a school chair, including a seat, legs located below the left and right ends of the seat, and a backrest located at the rear end of the seat. A horizontally positioned storage tray is provided below the seat, with storage space between the tray and the seat. Vertically extending columns are located at the middle of the left and right ends of the storage tray, with the tops of the columns slidably connected to the lower surface of the seat. The storage tray can extend from the front end of the seat. While this patent provides convenient storage and retrieval of school bags, the chair cannot be fully reclined during student naps, thus failing to provide an ergonomic resting surface and reducing nap comfort.

[0004] Therefore, a type of chair that can unfold and recline is needed. Utility Model Content

[0005] In order to overcome the shortcomings of existing patents where the chairs cannot be unfolded into a flat position during student naps, thus failing to provide students with an ergonomic resting surface and reducing the comfort of naps, this utility model provides a chair that can be unfolded and laid flat.

[0006] The technical implementation scheme of this utility model is as follows: A retractable and reclining school chair includes a fixed plate, a seat cushion, a fixed block, a backrest, a first movable plate, a support plate, a first placement pad, a second movable plate, a support frame, a second placement pad, a sliding rod, a limiting block, and a spring. The seat cushion is provided on both fixed plates. A fixed block is rotatably provided inside the fixed plate. The backrest is provided on both fixed blocks. Two first movable plates are slidably provided at the bottom of the seat cushion. A support plate is fixedly connected to one side of the first movable plate. A first placement pad is provided between the two first movable plates. Two second movable plates are slidably provided at the bottom of the first placement pad. A support frame is rotatably provided on the front bottom of the two second movable plates. A second placement pad is provided between the two second movable plates. A sliding rod is slidably provided on the upper part of the fixed plate. Multiple limiting blocks are fixedly connected to one end of the sliding rod. The limiting blocks can engage with the fixed blocks. A spring is sleeved on the sliding rod. The two ends of the spring are respectively connected to the fixed block and the sliding rod.

[0007] Furthermore, it also includes a connecting plate, a collection frame, a handle, and an isolation plate. A connecting plate is fixedly connected to one side of the fixed plate, and the collection frame is placed on both connecting plates. Handles are fixedly connected to both sides of the collection frame, and an isolation plate covers the top of the collection frame.

[0008] Furthermore, it also includes connecting rods, clamping plates, and rotating plates. Connecting rods are movably installed on the left and right sides of the backrest. One end of the connecting rod is fixedly connected to the clamping plate, and the end of the connecting rod away from the clamping plate is fixedly connected to the rotating plate.

[0009] Furthermore, it also includes a damping ring, which is fitted onto the connecting rod near the rotating plate, and the damping ring is in close contact with the backrest.

[0010] Furthermore, it also includes an anti-slip sleeve, which is fitted onto the handle.

[0011] Furthermore, it also includes a pull rod, with a pull rod provided on the front bottom side of both second movable plates.

[0012] Compared with the prior art, this utility model provides a reclining chair that can be unfolded, which has the following beneficial effects: 1. Through the synergistic effect of the seat cushion extension, backrest, support plate and support frame, it provides students with an ergonomic resting surface, significantly improving comfort.

[0013] 2. By pulling up the partition, the collection box can be opened, and items can be placed into the collection box for storage, thereby improving the convenience of use.

[0014] 3. Adjust the angle of the rotating plate by rotating the connecting rod to unfold the rotating plate and adapt to different usage needs. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a partial sectional view of the fixing plate, seat cushion, and backrest components of this utility model.

[0017] Figure 3 This is an exploded view of the first movable plate, the second movable plate, and the pull rod of this utility model.

[0018] Figure 4 This is a partial sectional view of the fixing block, backrest, and sliding rod of this utility model.

[0019] Figure 5 This is a partial sectional view of the sliding rod, limiting block, and spring components of this utility model.

[0020] Figure 6 This is a partial sectional view of the components of this utility model, including the collection frame, handle, and isolation plate.

[0021] Figure 7 This is a partial sectional view of the connecting rod, clamping plate, and rotating plate of this utility model.

[0022] In the attached diagrams: 1. Fixed plate, 2. Seat cushion, 3. Fixed block, 4. Backrest, 5. First moving plate, 501. Support plate, 6. First placement pad, 7. Second moving plate, 701. Support frame, 8. Second placement pad, 9. Sliding rod, 10. Limiting block, 101. Spring, 11. Connecting plate, 12. Collection frame, 13. Handle, 14. Isolation plate, 15. Connecting rod, 16. Clamping plate, 17. Rotating plate, 18. Damping ring, 19. Anti-slip sleeve, 20. Pull rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1: A retractable, flat-lying school chair, please refer to... Figures 1-7 The device includes a fixed plate 1, a seat cushion 2, a fixed block 3, a backrest 4, a first movable plate 5, a support plate 501, a first placement pad 6, a second movable plate 7, a support frame 701, a second placement pad 8, a sliding rod 9, a limiting block 10, and a spring 101. The seat cushion 2 is mounted on two fixed plates 1. A fixed block 3 is rotatably mounted inside each fixed plate 1. The backrest 4 is mounted on two fixed blocks 3. Two first movable plates 5 are slidably mounted at the bottom of the seat cushion 2. A support plate 501 is fixedly connected to one side of each first movable plate 5. A first placement pad 6 is positioned between the two first movable plates 5. The bottom of the first placement pad 6... Two second movable plates 7 are slidably arranged. A support frame 701 is rotatably arranged on the bottom front side of the two second movable plates 7. A second placement pad 8 is arranged between the two second movable plates 7. A sliding rod 9 is slidably arranged on the upper part of the fixed plate 1. Several limiting blocks 10 are fixedly connected to one end of the sliding rod 9. The limiting blocks 10 can be engaged with the fixed block 3. A spring 101 is sleeved on the sliding rod 9. The two ends of the spring 101 are respectively connected to the fixed block 3 and the sliding rod 9. A pull rod 20 is arranged on the bottom front side of the two second movable plates 7. The pull rod 20 is used to increase the force point and facilitate the pulling of the second movable plates 7.

[0025] In the normal sitting position, the seat cushion 2, backrest 4, and support plate 501 of the school chair constitute a standard seat structure. The support plate 501 is fixed to the bottom of the seat cushion 2 to provide basic support. When the school chair needs to be unfolded into a reclining position, the operation steps are as follows: First, pull the sliding rod 9 outwards and stretch the spring 101 to disengage the limiting block 10 from the fixing plate 1, releasing the lock on the backrest 4. Rotate the backrest 4 backwards to a horizontal position, release the sliding rod 9, and the spring 101 returns to its original state. Push the limiting block 10 back into the corresponding groove of the fixing block 3, fixing the backrest 4 in a horizontal position. Then... Pull the first movable plate 5 out from the bottom of the seat cushion 2, and simultaneously unfold the first placement pad 6 to extend the length of the seat cushion 2. The support plate 501 moves forward to support the first placement pad 6. Continue to pull the second movable plate 7 out from the bottom of the first placement pad 6. Finally, rotate the support frame 701, which unfolds and touches the ground to form support. The second placement pad 8 provides support for the lower legs, and finally forms a complete flat lying structure. Through the synergistic effect of the seat cushion 2 extension, backrest 4, support plate 501 and support frame 701, an ergonomic resting surface is provided for students, significantly improving comfort.

[0026] Example 2: Based on Example 1, please refer to... Figure 1 and Figure 6 A connecting plate 11 is fixedly connected to one side of the fixed plate 1. The two connecting plates 11 together hold the collection frame 12. Handles 13 are fixedly connected to both sides of the collection frame 12. An isolation plate 14 is covered on the top of the collection frame 12. An anti-slip sleeve 19 is fitted on the handle 13. The anti-slip sleeve 19 can increase the friction between the hand and the handle 13 and prevent the hand from slipping when holding the handle 13.

[0027] When using desks and chairs, pull up the partition 14 to open the collection box 12 and put the items into the collection box 12 for storage, thereby improving the convenience of use. After all the items are put in, close the partition 14 to prevent the items from falling out.

[0028] Please see Figure 1 and Figure 7 The backrest 4 is provided with connecting rods 15 on the left and right sides. One end of the connecting rod 15 is fixedly connected to a clamping plate 16, and the other end of the connecting rod 15 away from the clamping plate 16 is fixedly connected to a rotating plate 17. A damping ring 18 is sleeved on the connecting rod 15 near the rotating plate 17. The damping ring 18 is in close contact with the backrest 4. The damping ring 18 increases friction and keeps the connecting rod 15 in a stable position.

[0029] When using the desk and chair in a normal sitting position, first pull the connecting rod 15 outward to disengage the locking plate 16 from the backrest 4. Rotate the connecting rod 15 to adjust the angle of the rotating plate 17 and unfold it to adapt to different usage needs. Then, push the connecting rod 15 inward to engage the locking plate 16 with the backrest 4, thereby limiting the rotation plate 17.

[0030] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A reclining chair, characterized in that it includes: The backrest consists of a fixed plate (1), a seat cushion (2), a fixed block (3), a backrest (4), a first movable plate (5), a support plate (501), a first placement pad (6), a second movable plate (7), a support frame (701), a second placement pad (8), a sliding rod (9), a limiting block (10), and a spring (101). The seat cushion (2) is mounted on two fixed plates (1). The fixed plate (1) has a fixed block (3) mounted inside it in a rotating manner. The backrest (4) is mounted on two fixed blocks (3). The bottom of the seat cushion (2) has two first movable plates (5) mounted in a sliding manner. The support plate (501) is fixedly connected to one side of the first movable plate (5). A first placement pad (6) is provided between the first movable plates (5). Two second movable plates (7) are slidably provided at the bottom of the first placement pad (6). A support frame (701) is rotatably provided on the front side of the bottom of the two second movable plates (7). A second placement pad (8) is provided between the two second movable plates (7). A sliding rod (9) is slidably provided on the upper part of the fixed plate (1). Multiple limit blocks (10) are fixedly connected to one end of the sliding rod (9). The limit blocks (10) can be engaged with the fixed block (3). A spring (101) is sleeved on the sliding rod (9). The two ends of the spring (101) are connected to the fixed block (3) and the sliding rod (9) respectively.

2. A retractable, reclining school chair according to claim 1, characterized in that, It also includes a connecting plate (11), a collection frame (12), a handle (13) and an isolation plate (14). The connecting plate (11) is fixedly connected to one side of the fixing plate (1). The collection frame (12) is placed on both connecting plates (11). The handle (13) is fixedly connected to both sides of the collection frame (12). The isolation plate (14) covers the top of the collection frame (12).

3. A reclining chair according to claim 2, characterized in that, It also includes a connecting rod (15), a clamping plate (16) and a rotating plate (17). The connecting rod (15) is movably provided on the left and right sides of the backrest (4). One end of the connecting rod (15) is fixedly connected to the clamping plate (16), and the end of the connecting rod (15) away from the clamping plate (16) is fixedly connected to the rotating plate (17).

4. A retractable, reclining school chair according to claim 3, characterized in that, It also includes a damping ring (18), and the damping ring (18) is fitted on the connecting rod (15) near the rotating plate (17), and the damping ring (18) is in close contact with the backrest (4).

5. A reclining chair according to claim 4, characterized in that, It also includes an anti-slip sleeve (19), and the handle (13) is fitted with an anti-slip sleeve (19).

6. A retractable, reclining school chair according to claim 5, characterized in that, It also includes a pull rod (20), and the two second movable plates (7) are provided with a pull rod (20) on the front side of their bottom.

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