Split noon break desk and chair
By designing a retractable foldable desktop and a push-pull book bucket, combined with multi-functional leg support and chair back, the existing split lunch break desk and chair space is solved and the safety hazards are hidden, achieving more efficient space utilization and more convenient operation.
Patent Information
- Application Number
- CN202420943199.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing split lunch break desks and chairs are insufficiently utilized during lunch break, have large safety risks, are complex and easily damaged, have high costs and are inconvenient to operate.
A split lunch break desk and chair is designed, using a desktop telescopic folding assembly and a push-pull book bucket. It combines the multi-functional design of leg support and chair back to meet the needs of students of different heights, and achieves flexible adjustment of the table and chair back through articulation and sliding mechanisms.
It realizes effective utilization of space during lunch break, increases storage space, reduces safety hazards, reduces production and maintenance costs, and improves operation convenience.
Smart Images

Figure CN222548806U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a desk and chair, in particular to a split lunch break desk and chair. Background Art
[0002] At present, the split lunch break desks and chairs have the following main disadvantages:
[0003] 1. During lunch break, students rely on the tilted table top and table drawer, leaving limited space for the front row chairs to tilt. The inclination angle of the chair backs is too small, making it uncomfortable to use for a long time.
[0004] 2. When students lie down to sleep, the distance between the book shelf and their legs is too close, or the book shelf competes with the body for space, which makes it difficult for students to move in and out of rows conveniently and creates a safety hazard.
[0005] 3. The tilt of the backrests of most lunch break desks and chairs relies on gas springs for support. Gas springs are prone to gas leakage or explosion risks in high temperature environments or when they are frequently operated and generate heat.
[0006] 4. The desks and chairs for lunch break are complex in design and easy to damage, with high costs for production, installation, and after-sales service. The desks and chairs need to be shaken, pushed, pulled, and moved before they can be used, which is inconvenient to operate.
[0007] 5. The leg rest is located under the chair seat. The leg rest function is used by pushing or pulling. First, the leg rest rod is easily deformed and damaged; second, the space utilization rate under the chair seat is low, and it is impossible to add a book drawer to store school bags, blankets, etc. Utility Model Content
[0008] The purpose of the utility model is to provide a split lunch break desk and chair to solve the above problems of the prior art.
[0009] To achieve the above purpose, the following technical solution is adopted.
[0010] A split lunch break desk and chair, comprising a desk part and a chair part, wherein the desk part comprises a table foot, a telescopic table leg and a tabletop telescopic and folding assembly, wherein the front of the table foot is fixedly connected to the telescopic table leg, and the telescopic table leg slides upward and obliquely backward to be hinged to the tabletop telescopic and folding assembly;
[0011] The classroom chair part includes a chair base, telescopic chair legs, a chair seat bracket and a chair seat, the telescopic chair legs are fixedly connected to the upper middle part of the chair base, the top of the telescopic chair legs is fixedly connected to the chair seat bracket, and the chair seat is slidably hinged above the chair seat bracket.
[0012] Optionally, the desktop telescopic and folding assembly includes a telescopic sleeve, a desktop bracket, a desktop support rod, a desktop and a table drawer, the telescopic sleeve is nested in the telescopic table leg, the top of the telescopic sleeve is hinged to the desktop bracket, the top of the desktop bracket is fixedly connected to the desktop, the table drawer is arranged below the desktop, and the lower end of the desktop support rod is hinged to the middle cross brace of the telescopic table leg.
[0013] Optionally, a book drawer that can be pushed and pulled forward and backward is provided under the chair surface, and the book drawer includes a leg support frame, a leg support limiting slide groove, a foot, a limiting hole, a height-increasing foot, and an inverted claw; a leg support assembly is hinged above the book drawer; the book drawer is integrally injection-molded, and the left and right sides of the middle portion of the book drawer protrude outward to form a leg support frame, and the top of the leg support frame is hollowed out and carved with a leg support limiting slide groove, and four foot pads are provided at the four corners of the bottom of the book drawer, the four foot pads are nestable hollow structures, and the four foot pads are respectively superimposed and nested with one or more height-increasing foot pads, and the top of the foot pads is hollowed out with a pair or two pairs of symmetrical limiting holes, and the top of the height-increasing foot pads is provided with a pair or two pairs of symmetrical inverted claws, and when the height-increasing foot pads are inserted into the foot pads, the inverted claws are engaged with the limiting holes, for locking the foot pads and the height-increasing foot pads together to lift the book drawer.
[0014] Optionally, the leg rest assembly includes a leg rest panel, a leg rest support plate, a leg rest limiting hole and a leg rest limiting pin; the leg rest support plates extend downward from the left and right sides of the leg rest panel, and the leg rest limiting holes and the leg rest limiting grooves are embedded with the leg rest limiting pins with inverted feet, so as to enable the leg rest assembly to slide or rotate along the leg rest limiting grooves; when the leg rest assembly forms a leg rest state, the leg rest support plate is embedded on both sides of the upper edge of the middle part of the book bucket; when the leg rest assembly is in a storage state, the leg rest assembly is rotated and stored on the outer side of the front wall of the book bucket.
[0015] Optionally, the seat back assembly is hinged at the top of the seat support.
[0016] Optionally, the folding chair back assembly includes a chair back folding slide and a chair back outer frame, the chair back folding slide is slidably hinged to the chair back outer frame, and two chair back limiting columns are fixedly connected to the outer side of the lower part of the chair back outer frame for limiting the chair back in a vertical state and a tilted state.
[0017] Optionally, a seat back reclining position support is also included, which is fixedly connected to the rear of the seat back folding slide to provide enhanced support for the seat back in a tilted state.
[0018] Optionally, it also includes a pillow, which is hinged to the middle part of the chair back through fabric. When the pillow is in the headrest state, the pillow is located on the top of the chair back.
[0019] Optionally, the classroom chair part also includes a headrest supporting mechanism, which is a headrest bracket, and the headrest bracket is inserted into the top of the chair back outer frame.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] 1. The utility model provides a telescopic and folding desktop component and a folding chair back component. When the student is in a sitting position to study, the desktop function is used. When the student is in a lying position, the desktop and the book drawer are folded and lifted to the top of the chair back to avoid the desktop and the book drawer competing for space with the body.
[0022] 2. The utility model expands the capacity of the desk drawer to meet the students' needs for large storage space and convenient access. The desk drawer is combined with a chair to fully utilize the space under the chair, and the desk drawer becomes an independent book drawer.
[0023] 3. The utility model combines the leg rest and the book drawer together, which reduces space occupation, facilitates storage, and creates clearance under the table for the calves and feet to freely enter and exit. When not in use, it can be folded and stored in front of the book drawer. When in use, it can be set on the upper part of the book drawer. The position of the leg rest can be adjusted by pushing and pulling the book drawer to meet the needs of students of different heights for different positions of the calves supported by the leg rest.
[0024] 4. The chair seat of the utility model can be pushed and pulled to meet the different needs of students of different heights for the length of the chair seat in sitting or lying positions.
[0025] 5. The utility model extends the length of the chair back through the headrest bracket, thereby meeting the requirements of taller students for the length of the chair back when lying down. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 The utility model is a structural schematic diagram of the use status of the desk and chair of a split lunch break desk and chair.
[0027] Figure 2 The utility model is a schematic diagram of a desk structure of a split lunch break desk and chair.
[0028] Figure 3 The utility model is a structural schematic diagram of a split lunch break desk and chair.
[0029] Figure 4 The utility model is a schematic diagram of a telescopic and foldable tabletop structure of a split lunch break desk and chair.
[0030] Figure 5 The utility model is a schematic diagram of a book drawer structure of a split lunch break desk and chair.
[0031] Figure 6 The utility model is a schematic diagram of an enlarged structure of a footrest of a split lunch break desk and chair.
[0032] Figure 7 The utility model is a schematic diagram of a bookcase and a leg support structure of a split lunch break desk and chair.
[0033] Figure 8 The utility model is a schematic diagram of a folding chair back structure of a split lunch break desk and chair in a vertical state.
[0034] Fig. 9 The utility model is a schematic diagram of a folding chair back structure of a split lunch break desk and chair in a tilted state.
[0035] Among them: 1-table bottom foot, 11-telescopic table leg, 2-table top telescopic folding component, 21-telescopic sleeve, 22-table top bracket, 23-table top, 24-table drawer, 25-table top support rod, 3-chair bottom foot, 31-telescopic chair leg, 32-seat support, 4-seat, 5-book drawer, 51-leg support frame, 52-leg support limiting slide, 53-foot, 531-limiting hole, 54-heightening foot, 541-inverted claw, 6-leg support assembly, 61-leg support panel, 62-leg support support plate, 621-leg support limiting hole, 63-leg support limiting pin, 7-folding chair quilt assembly, 71-seat back folding slide, 711-seat back lying support, 72-seat back frame, 721 chair back limiting column, 73 pillow, 74-headrest bracket. DETAILED DESCRIPTION
[0036] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.
[0037] The following detailed descriptions are all exemplary descriptions, and are intended to provide further detailed descriptions of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meanings as those generally understood by those skilled in the art to which the present application belongs. The terms used in the present invention are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present invention.
[0038] This embodiment describes in detail the structure and operation of a split lunch break desk and chair. The desk and chair is designed for use in a classroom environment and is intended to provide students with a multifunctional device that can meet daily learning needs and provide a comfortable sleeping space during lunch break.
[0039] Embodiment 1
[0040] like Figure 1 and Figure 2As shown, the desk part: The desk part includes a table foot 1, a telescopic table leg 11 and a tabletop telescopic folding assembly 2. The front part of the table foot 1 is fixedly connected to the telescopic table leg 11 to form an inverted U-shaped structure to provide stable support. The telescopic table leg 11 slides upward and obliquely backward to hinge the tabletop telescopic folding assembly 2, so that the tabletop can be telescoped and folded as needed.
[0041] like Figure 1 and Figure 3 As shown, the classroom chair part: The classroom chair part includes a chair base 3, a telescopic chair leg 31, a seat support 32 and a seat 4. The telescopic chair leg 31 is fixedly connected to the upper middle part of the chair base 3, the top of the telescopic chair leg 31 is fixedly connected to the seat support 32, and the seat support 32 is slidably hinged to the seat 4, allowing the seat to be adjusted according to the height of the student.
[0042] Embodiment 2
[0043] like Figure 4 As shown, the desktop telescopic and folding assembly 2 includes a telescopic sleeve 21, a desktop bracket 22, a desktop support rod 25, a desktop 23 and a table drawer 24. The telescopic sleeve 21 is nested in the telescopic table leg 11. The top of the telescopic sleeve 21 is hinged to the desktop bracket 22. The desktop bracket 22 is fixedly connected to the desktop 23 above. The table drawer 24 is arranged below the desktop 23. The lower end of the desktop support rod 25 is hinged to the middle cross brace of the telescopic table leg 11.
[0044] The telescopic sleeve 21 is designed as a double-layer nested structure, the outer layer is fixed on the telescopic table leg 11, and the inner layer can slide along the outer layer to achieve the telescopic function. The top of the telescopic sleeve 21 is connected to the desktop bracket 22 through a hinge mechanism, and this hinge mechanism can be a ball joint, a universal joint or other mechanical connection methods that allow multi-directional rotation.
[0045] The desktop bracket 22 is fixedly connected to the desktop 23 above. The desktop bracket 22 is designed to have sufficient strength to support the weight of the desktop 23 and to ensure the stability of the desktop 23 during use. The desktop bracket 22 is usually made of metal or engineering plastic to ensure its durability. The lower end of the desktop support rod 25 is hinged to the middle cross brace of the telescopic table leg 11. This hinged design allows the desktop support rod 25 to move in the vertical direction, thereby supporting the weight of the desktop 23 and allowing the desktop to be telescopic. The desktop support rod 25 can be a solid rod or a tubular structure, and its material selection must ensure sufficient bearing capacity. When the position or angle of the desktop 23 needs to be adjusted, the user can achieve the telescopic extension of the desktop through the telescopic sleeve 21, and adjust the height and angle of the desktop through the desktop support rod 25. When the desktop 23 is not needed, the desktop support rod 25 can be folded to bring the desktop 23 closer to the table leg 11, thereby reducing the occupied space. All hinged and sliding parts are designed with a locking mechanism to prevent accidental folding or sliding during use. At the same time, the connection points of all components are reinforced to improve the durability and safety of the entire desktop telescopic and folding assembly 2.
[0046] Embodiment 3
[0047] like Figure 5-Figure 7 As shown, the classroom chair of the utility model includes an innovative book drawer 5 design, which is located below the chair surface 4 and has the function of being pushed and pulled forward and backward to meet the needs of different users and provide additional storage space. The book drawer 5 is made of an integral injection molding process to ensure the integrity and durability of the structure.
[0048] The structure of book bucket 5:
[0049] Leg rest support frame 51: Leg rest support frames 51 protruding outward are designed on the left and right sides of the middle part of the book bucket 5. The support frames not only enhance the structural stability of the book bucket, but also provide a solid support point for the leg rest assembly 6.
[0050] Leg rest limiting slide groove 52: A hollow carved leg rest limiting slide groove 52 is designed at the top of the leg rest support frame 51 to guide and limit the sliding or rotational movement of the leg rest assembly 6.
[0051] Foot pads 53 and heightening foot pads 54: A foot pad 53 is provided at each of the four corners at the bottom of the book bucket 5. The foot pads 53 adopt a nestable hollow structure, and one or more heightening foot pads 54 can be stacked and nested as needed to adjust the height of the book bucket 5 to adapt to different chair foot cross brace heights and positions.
[0052] Limiting holes 531 and inverted claws 541: A pair or two pairs of symmetrical limiting holes 531 are designed on the top of each pad 53, and a corresponding pair or two pairs of symmetrical inverted claws 541 are provided on the top of the heightening pad 54. After the heightening pad 54 is inserted into the pad 53, the inverted claws 541 are engaged with the limiting holes 531, locking the pad and the heightening pad, so as to facilitate the adjustment of the height of the space below the bottom of the book bucket 5 and the height of the book bucket.
[0053] Operation and function of the leg support assembly 6:
[0054] Leg rest panel 61 and leg rest support plate 62: The leg rest assembly 6 is composed of a leg rest panel 61 and leg rest support plates 62 extending downward on its left and right sides. The leg rest panel 61 provides a support platform for the user's legs, and the leg rest support plate 62 interacts with the leg rest limit slide groove 52 of the book bucket 5 to ensure the stability of the leg rest assembly 6.
[0055] Leg support limiting hole 621 and leg support limiting pin 63: The leg support limiting hole 621 on the leg support support plate 62 is designed to receive the leg support limiting pin 63. The limiting pin 63 has an inverted foot and can be inserted into the leg support limiting slide groove 52. Through the interaction between its inverted foot and the leg support limiting hole 621, the leg support assembly 6 can slide or rotate along the slide groove 52, providing flexible leg support angle and position adjustment.
[0056] State conversion of the leg rest assembly 6: When the leg rest assembly 6 needs to form a leg rest state, the leg rest support plate 62 is embedded on both sides of the upper edge of the middle part of the book bucket 5 to provide leg support for the user. When the leg rest assembly 6 is not needed, it can be rotated and stored outside the front wall of the book bucket 5 to save space and facilitate storage.
[0057] Embodiment 4
[0058] like Figure 8 As shown, the top of the seat support 32 is hingedly connected to the folding backrest assembly 7, which is the key to converting the classroom chair into a reclining chair. The folding backrest assembly 7 includes a backrest folding slide 71 and a backrest outer frame 72. The backrest folding slide 71 is slidably hinged to the backrest outer frame 72, allowing the backrest to be converted between a vertical state and a tilted state. Two backrest limit posts 721 are fixedly connected to the outer side of the lower part of the backrest outer frame 72, which are used to provide a limit when the backrest is vertical or tilted to ensure stability and safety.
[0059] Embodiment 5
[0060] like Fig. 9As shown, in order to enhance the support force of the chair back in the tilted state, this embodiment also includes a chair back lying position support member 711. The chair back lying position support member 711 is fixedly connected to the rear of the chair back folding slide 71 to provide additional support force, making the chair back more stable when tilted. In addition, an adjustable pillow 73 is also included, which is hinged to the middle of the chair back through fabric and can be pushed up to the top of the chair back to form a headrest as needed to meet the lying position requirements of different students.
[0061] Embodiment 6
[0062] like Fig. 9 As shown, the chair part also includes a headrest support mechanism, i.e., a headrest bracket 74. The headrest bracket 74 is inserted into the top of the chair back outer frame 72 to provide stable support for the headrest 73. This design allows the headrest 73 to provide comfortable support for the student's head at different lying angles.
[0063] Embodiment 7
[0064] like Figure 1 As shown, this embodiment describes in detail the method of using the split lunch break desk and chair. First, push the book bucket 5 under the chair part to the front along its push-pull track to facilitate the user to approach and operate the leg rest assembly 6. Then, pull up the leg rest assembly 6 and fix it above the book bucket 5 to form a leg rest. Next, by operating the chair back folding slide 71, the chair back outer frame 72 smoothly transitions from a vertical state to an inclined state until a comfortable lying angle for the user is reached. Finally, push the pillow 73 from the middle of the chair back to the top of the chair back, and support the pillow 73 through the headrest bracket 74 to form a headrest, completing the conversion of the desk and chair to a recliner.
[0065] Embodiment 8
[0066] After lunch break, students can restore the desks and chairs to their original state in the reverse order. The specific steps include retracting the pillow 73 from the headrest state to the middle of the chair back, restoring the chair back outer frame 72 from the inclined state to the vertical state, and storing the leg support assembly 6 outside the front edge of the book bucket 5. The book bucket 5 can then be pushed back under the chair foot 3 to restore the chair function.
[0067] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.
Claims
1. A split lunch break desk and chair, comprising a desk part and a chair part, characterized in that: The desk part comprises a table foot (1), a telescopic table leg (11) and a tabletop telescopic and folding assembly (2); the front of the table foot (1) is fixedly connected to the telescopic table leg (11), and the telescopic table leg (11) slides upward and obliquely backward to be hinged to the tabletop telescopic and folding assembly (2); The classroom chair part comprises a chair base (3), telescopic chair legs (31), a seat support (32) and a seat (4); the upper middle portion of the chair base (3) is fixedly connected to the telescopic chair legs (31); the top of the telescopic chair legs (31) is fixedly connected to the seat support (32); and the upper portion of the seat support (32) is slidably hinged to the seat (4).
2. The split lunch break desk and chair according to claim 1 is characterized in that: The tabletop telescopic and folding assembly (2) comprises a telescopic sleeve (21), a tabletop bracket (22), a tabletop support rod (25), a tabletop (23) and a tabletop drawer (24); the telescopic sleeve (21) is nested in the telescopic table leg (11); the top of the telescopic sleeve (21) is hinged to the tabletop bracket (22); the top of the tabletop bracket (22) is fixedly connected to the tabletop (23); the tabletop drawer (24) is arranged below the tabletop (23); and the lower end of the tabletop support rod (25) is hinged to the middle cross brace of the telescopic table leg (11).
3. The split lunch break desk and chair according to claim 1 is characterized in that: A bookcase (5) that can be pushed and pulled forward and backward is arranged below the chair surface (4), and the bookcase (5) comprises a leg support frame (51), a leg support limit slide groove (52), a pad foot (53), a limit hole (531), an increase pad foot (54), and an inverted claw (541); a leg support assembly (6) is hingedly connected above the bookcase (5); the bookcase (5) is integrally injection-molded, and the left and right sides of the middle part of the bookcase (5) protrude outward to form a leg support frame (51), and the top of the leg support frame (51) is hollowed out and carved with a leg support limit slide groove (52), and four pad feet (53) are arranged at the four corners of the bottom of the bookcase (5). 53), the four pads (53) are hollow structures that can be nested, and the four pads (53) are respectively stacked and nested with one or more height-enhancing pads (54), and the top of the pads (53) is hollowed out with a pair or two pairs of symmetrical limiting holes (531), and the top of the height-enhancing pads (54) is provided with a pair or two pairs of symmetrical inverted claws (541), and when the height-enhancing pads (54) are inserted into the pads (53), the inverted claws (541) are engaged with the limiting holes (531), so as to lock the pads (53) and the height-enhancing pads (54) together, thereby raising the book bucket (5).
4. The split lunch break desk and chair according to claim 3 is characterized in that: The leg support assembly (6) comprises a leg support panel (61), a leg support support plate (62), a leg support limiting hole (621) and a leg support limiting pin (63); the leg support support plate (62) extends downward from the left and right sides of the leg support panel (61), and the leg support limiting hole (621) and the leg support limiting groove (52) are inserted with the leg support limiting pin (63) with an inverted foot, so as to enable the leg support assembly (6) to slide or rotate along the leg support limiting groove (52); when the leg support assembly (6) forms a leg support state, the leg support support plate (62) is embedded on both sides of the upper edge of the middle part of the book bucket (5); when the leg support assembly (6) is in a storage state, the leg support assembly (6) is rotated and stored on the outer side of the front wall of the book bucket (5).
5. The split lunch break desk and chair according to claim 1 is characterized in that: The top of the seat support (32) is hingedly connected to the folding seat back assembly (7).
6. The split lunch break desk and chair according to claim 5 is characterized in that: The folding chair back assembly (7) comprises a chair back folding slide (71) and a chair back outer frame (72); the chair back folding slide (71) is slidably hinged to the chair back outer frame (72); and two chair back limiting columns (721) are fixedly connected to the lower part of the chair back outer frame (72) for limiting the chair back in a vertical state and an inclined state.
7. The split lunch break desk and chair according to claim 6 is characterized in that: It also includes a seat back reclining position support member (711), which is fixedly connected to the rear of the seat back folding slide (71) and is used to strengthen the support of the seat back in a tilted state.
8. The split lunch break desk and chair according to claim 7 is characterized in that: It also includes a cushion, wherein the cushion (73) is hinged to the middle part of the chair back through fabric, and when the cushion (73) is in the headrest state, the cushion (73) is located on the top of the chair back.
9. The split lunch break desk and chair according to any one of claims 1 to 8, characterized in that: The classroom chair part also includes a headrest supporting mechanism, which is a headrest bracket (74). The headrest bracket (74) is inserted into the top of the chair back outer frame (72).