Single chair frame and single chair
By designing a modular structure for the detachable single chair frame and using tool-free assembly technology, the problems of difficult disassembly and high transportation costs of the single chair frame have been solved, achieving convenient disassembly and assembly and low-cost transportation, improving the packing rate and user assembly experience.
Patent Information
- Application Number
- CN202520095303.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing single chair frame design is difficult to disassemble and replace, and the fixed components lead to high transportation costs, low packing volume, and high costs for supermarket display and warehousing.
It adopts a detachable backrest module, seat cushion module, armrest module and support leg structure, and uses fasteners and inserts to achieve tool-free assembly. The support legs are connected to the modules by screws, and the modules are interlocked by inserts. The fasteners are manually tightened by the operating part to achieve the connection.
It enables easy assembly and disassembly of the single chair frame, reducing transportation and storage costs, increasing packing rate, and allowing users to assemble it by hand while ensuring frame strength.
Smart Images
Figure CN223585528U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of furniture, and more particularly to chair frames and chairs. Background Technology
[0002] With the development of the home furnishing industry, foreign trade has placed higher demands on furniture transportation costs. Currently, most single chair frames and chair designs use fixed welding or mortise and tenon structures. Once the components of a single chair frame are fixed, disassembly and replacement are difficult. Users need additional installation tools to complete assembly or disassembly. At the same time, traditional single chair frames have low packing volumes, and the packaging boxes are too large, resulting in high transportation costs. Single chair frames are also difficult to display and market on supermarket shelves, leading to high warehousing costs.
[0003] Therefore, it is necessary to provide an improved chair frame and chair to solve the above problems. Utility Model Content
[0004] This application provides a single chair frame and a single chair that are easy to assemble and have low transportation costs.
[0005] This application provides a single chair frame, including a backrest module, a seat cushion module, an armrest module, and fasteners. The armrest module is assembled on both sides of the backrest module and the seat cushion module, and the backrest module is assembled on the rear side of the seat cushion module. The fasteners include a fastening part and an operating part. The operating part is assembled on one end of the fastening part, and the operating part can be manually tightened to connect the seat cushion module with the armrest module and / or the backrest module.
[0006] Furthermore, it also includes four support legs located below the backrest module and the seat cushion module, with two support legs connected to the backrest module and the other two support legs connected to the seat cushion module.
[0007] Furthermore, the lower surfaces of the backrest module and the seat cushion module are provided with support foot connection holes, and the lower part of the backrest module and the seat cushion module is provided with a support foot connecting piece. The support foot connecting piece is provided with a support foot fixing hole aligned with the support foot connection hole. Part of the support foot is assembled to the support foot connection hole and the support foot fixing hole to screw the support foot to the backrest module and the seat cushion module.
[0008] Furthermore, the backrest module, the seat cushion module, the armrest module, and the support legs are all made of wood.
[0009] Furthermore, the operating part is a five-star nut, and the operating part is provided with an operating hole for the fastening part to protrude into.
[0010] Furthermore, the armrest module has a first insert on one side near the backrest module, and the backrest module has second inserts on both sides. The first insert and the second insert are inserted and fixed to assemble the armrest module and the backrest module.
[0011] Furthermore, the backrest module includes a backrest frame and a seat cushion connecting part connected to the backrest frame; the second insert is disposed on the backrest frame, and the seat cushion connecting part is provided with a seat cushion fixing hole.
[0012] Furthermore, the seat cushion module includes an upper wooden frame, a lower wooden frame, and a mounting part disposed between the upper wooden frame and the lower wooden frame, wherein the mounting part is provided with mounting holes.
[0013] Furthermore, the mounting part is aligned with the seat cushion connecting part, the mounting hole is aligned with the seat cushion fixing hole, and the fastening part is assembled to the mounting hole and the seat cushion fixing hole to assemble the seat cushion module and the backrest module.
[0014] Furthermore, the armrest module includes an armrest frame and an armrest fixing part connected to the armrest frame. The armrest fixing part is provided with an armrest connection hole. A T-nut is assembled from the outside of the armrest module into the armrest connection hole and the mounting hole. The mounting part is aligned with the armrest fixing part, and the mounting hole is aligned with the armrest connection hole. The fastening part is assembled from the inside of the armrest module into the mounting hole and the armrest connection hole and is screwed and fixed with the T-nut to assemble the seat cushion module and the armrest module.
[0015] Furthermore, the fastener also includes a washer, which is sleeved outside the fastening part, with one side of the washer abutting against the inner side of the mounting part and the other side of the washer abutting against the operating part.
[0016] This application also provides a single chair, including a cushion and the aforementioned single chair frame, wherein the cushion covers the single chair frame.
[0017] Furthermore, the cushions include a backrest cushion, a seat cushion, and an armrest cushion. The backrest cushion covers the backrest module, the seat cushion covers the seat cushion module, and the armrest cushion covers the armrest module.
[0018] The single chair frame of this application can be disassembled into multiple modules such as backrest module, seat cushion module and armrest module, with a high packing capacity, which can significantly reduce transportation and storage costs. At the same time, the single chair frame can be assembled without tools through fastening parts and operating parts, allowing users to complete the assembly by hand, while ensuring the strength of the single chair frame. Attached Figure Description
[0019] Figure 1This is a structural schematic diagram of the single chair frame of this application.
[0020] Figure 2 yes Figure 1 The diagram shown is an exploded view of the single chair frame.
[0021] Figure 3 yes Figure 1 The diagram shows a modular breakdown of the single chair frame.
[0022] Figure 4 yes Figure 2 An exploded view of the single chair frame shown from another perspective.
[0023] Figure 5 yes Figure 2 The diagram shows the structural arrangement of the backrest module and armrest module.
[0024] Figure 6 This is a structural diagram of the assembly of the armrest module, seat cushion module and backrest module of the single chair frame of this application.
[0025] Figure 7 yes Figure 6 The diagram shows the structural assembly of the armrest module, seat cushion module, and backrest module of the single chair frame. Only a portion of the armrest module and backrest module is shown.
[0026] Figure 8 This is a schematic diagram of the assembly of the handrail module and T-nut of this application, where only a portion of the handrail module is shown.
[0027] Figure 9 This is an exploded structural diagram of the fasteners for the single chair frame of this application.
[0028] Figure 10 This is a schematic diagram of the assembly of the first and second inserts of the single chair frame of this application.
[0029] Figure 11 This is a structural schematic diagram of the single chair of this application.
[0030] Explanation of icon numbers
[0031] 100. Backrest cushion; 200. Seat cushion; 300. Armrest cushion; 10. Backrest module; 11. Leg connection hole; 12. Second insert; 121. Second insertion part; 13. Backrest frame; 14. Seat cushion connection part; 141. Seat cushion fixing hole; 20. Seat cushion module; 21. Upper frame; 22. Lower frame; 23. Mounting part; 231. Mounting hole; 24. Support rod; 30. Armrest module 31. Block; 31. First insert; 311. First insertion part; 32. Handrail frame; 33. Handrail fixing part; 331. Handrail connecting hole; 34. T-nut; 341. Nut mounting hole; 40. Fastener; 41. Fastening part; 42. Operating part; 421. Operating hole; 43. Washer; 50. Support leg; 51. Support leg connecting piece; 511. Support leg fixing hole; 52. Support leg support part; 53. Support leg connecting part. Detailed Implementation
[0032] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.
[0033] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.
[0034] See Figures 1 to 4 As shown, this application provides a single chair frame, including a backrest module 10, a seat cushion module 20, an armrest module 30, fasteners 40, and legs 50. The armrest module 30 is assembled on both sides of the backrest module 10 and the seat cushion module 20. The backrest module 10 is assembled on the rear side of the seat cushion module 20. The fasteners 40 connect the seat cushion module 20 to the armrest module 30 and / or the backrest module 10. The legs 50 are located below the backrest module 10 and the seat cushion module 20.
[0035] According to the embodiments of this application, the backrest module 10, seat cushion module 20, armrest module 30 and support leg 50 are all made of wood.
[0036] Please also see Figure 5As shown, the backrest module 10 includes a backrest frame 13 and a seat cushion connecting part 14 connected to the backrest frame 13. The lower surface of the backrest module 10 has two support foot connecting holes 11. Second inserts 12 are provided on both sides of the backrest module 10. The second inserts 12 are mounted on the backrest frame 13. Four second inserts 12 are provided, with two on each side of the backrest module 10. The seat cushion connecting part 14 has seat cushion fixing holes 141.
[0037] According to the embodiments of this application, four support legs 50 are provided, and two support legs 50 are connected to the backrest module 10 through support leg connection holes 11.
[0038] See Figures 6 to 7 As shown, the seat cushion module 20 includes an upper wooden frame 21, a lower wooden frame 22, and a mounting part 23 disposed between the upper wooden frame 21 and the lower wooden frame 22. A support wooden rod 24 is also provided between the upper wooden frame 21 and the lower wooden frame 22.
[0039] Mounting part 23 is provided with mounting hole 231. There are three mounting parts 23, one of which is aligned with seat cushion connecting part 14. Mounting hole 231 is aligned with seat cushion fixing hole 141. Fastener 40 is assembled to mounting hole 231 and seat cushion fixing hole 141 to assemble seat cushion module 20 and backrest module 10.
[0040] According to the embodiments of this application, the lower surface of the seat cushion module 20 is provided with a support foot connection hole 11, and the other two support feet 50 are assembled to the support foot connection hole 11 to screw the support feet 50 to the seat cushion module 20.
[0041] See Figure 8 and Figure 9 As shown, the handrail module 30 includes a handrail frame 32 and a handrail fixing part 33 connected to the handrail frame 32. The handrail fixing part 33 is provided with a handrail connection hole 331. The mounting part 23 is aligned with the handrail fixing part 33, and the mounting hole 231 is aligned with the handrail connection hole 331. The T-nut 34 is assembled from the outside of the handrail module 30 into the handrail connection hole 331 and the mounting hole 231.
[0042] According to the embodiment of this application, the T-nut 34 is provided with a nut mounting hole 341. Before the chair frame leaves the factory, a self-tapping screw (not shown) passes through the nut mounting hole 341 from the outside to the inside of the armrest module 30 to fix the T-nut 34 to the armrest frame 32. There are three nut mounting holes 341. After the T-nut 34 is fixed, the T-nut 34 protrudes 15mm. The end of the T-nut 34 protrudes into the mounting hole 231.
[0043] Fastener 40 is assembled from the inside of armrest module 30 to the mounting hole 231 and armrest connection hole 331 and screwed into T-nut 34 to assemble seat cushion module 20 and armrest module 30.
[0044] The armrest module 30 has a first insert 31 on the side near the backrest module 10. There are four first inserts 31. The first inserts 31 are inserted and fixed with the second inserts 12 to assemble the armrest module 30 and the backrest module 10.
[0045] According to the embodiments of this application, the first insert 31 and the second insert 12 are in a mountain-shaped configuration, achieving interlocking between the backrest module 10 and the armrest module 30. The first insertion portion 311 of the first insert 31 and the second insertion portion 121 of the second insert 12 are turned outwards by 8°. This serves as a guide during installation, making the installation of the first insert 31 and the second insert 12 smoother.
[0046] See Figure 10 As shown, the fastener 40 includes a fastening part 41, an operating part 42, and a washer 43. The operating part 42 is assembled at one end of the fastening part 41. The operating part 42 can be manually tightened to connect the fastening part 41 to the seat cushion module 20 and the armrest module 30 and / or the backrest module 10.
[0047] According to an embodiment of this application, three fasteners 40 are provided. The fastening portion 41 of one fastener 40 is assembled into the mounting hole 231 and the seat cushion fixing hole 141 to fix the seat cushion module 20 and the backrest module 10. The fastening portions 41 of the other two fasteners 40 are assembled into the mounting hole 231 and the armrest connecting hole 331 to fix the seat cushion module 20 and the armrest module 30.
[0048] The operating part 42 is a five-star nut, and the operating part 42 is provided with an operating hole 421 for the fastening part 41 to protrude into. The fastening part 41 is an M8 full-thread screw.
[0049] According to the embodiment of this application, the gasket 43 is sleeved outside the fastening part 41, one side of the gasket 43 abuts against the inner side of the mounting part 23, and the other side of the gasket 43 abuts against the operating part 42. The gasket 43 is an M8 flat gasket.
[0050] The support leg 50 includes a foot mounting plate 51, a support leg portion 52, and a support leg connecting portion 53. Four foot mounting plates 51 are provided. Foot mounting plates 51 are located below both the backrest module 10 and the seat cushion module 20. Each foot mounting plate 51 has a support leg fixing hole 511 aligned with the support leg connecting hole 11. The support leg portion 52 is supported on the ground. The support leg connecting portion 53 is assembled into the support leg connecting hole 11 and the support leg fixing hole 511 to screw the support leg 50 to the backrest module 10 and the support leg 50 to the seat cushion module 20.
[0051] According to the embodiments of this application, the support portion 52 is made of solid wood, and the connecting portion 53 is a double-threaded screw. Furthermore, both the support portion 52 and the connecting portion 53 can be made of solid wood.
[0052] According to the embodiments of this application, the packaging size of the product is significantly reduced through disassembly and assembly technology, greatly improving the utilization rate of the shipping container. A single chair frame is disassembled into a backrest module 10, a seat cushion module 20, an armrest module 30, fasteners 40, and legs 50. The packing capacity of a single chair frame increases from 140 units per container to 223 units per container, representing a 59% increase in packing efficiency. This significantly reduces transportation costs at each stage while achieving better manufacturability and ensuring a quick assembly experience for users.
[0053] See Figure 11 As shown, this application also provides a single chair, including a cushion and the aforementioned single chair frame, with the cushion covering the single chair frame. The cushion includes a backrest cushion 100, a seat cushion 200, and an armrest cushion 300. The backrest cushion 100 covers the backrest module 10, the seat cushion 200 covers the seat cushion module 20, and the armrest cushion 300 covers the armrest module 30.
[0054] The single chair frame of this application can be disassembled into multiple modules such as backrest module 10, seat cushion module 20, armrest module 30 and support leg 50. The packing capacity is high, which can significantly reduce transportation and storage costs. At the same time, the single chair frame can be assembled without tools through fastening part 41 and operating part 42. Users can complete the assembly by hand and ensure the strength of the single chair frame.
[0055] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.
Claims
1. A single chair frame, characterized in that, The device includes a backrest module, a seat cushion module, an armrest module, and fasteners. The armrest module is assembled on both sides of the backrest module and the seat cushion module, and the backrest module is assembled on the rear side of the seat cushion module. The fasteners include a fastening part and an operating part. The operating part is assembled on one end of the fastening part and can be manually tightened to connect the seat cushion module with the armrest module and / or the backrest module.
2. The single chair frame according to claim 1, characterized in that, It also includes four support legs located below the backrest module and the seat cushion module, with two support legs connected to the backrest module and the other two support legs connected to the seat cushion module.
3. The single chair frame according to claim 2, characterized in that, The backrest module and the seat cushion module have foot connection holes on their lower surfaces. The backrest module and the seat cushion module have foot mounting pieces below them. The foot mounting pieces have foot fixing holes aligned with the foot connection holes. Some of the feet are assembled to the foot connection holes and the foot fixing holes to screw the feet to the backrest module and the seat cushion module.
4. The single chair frame according to claim 2, characterized in that, The backrest module, the seat cushion module, the armrest module, and the support legs are all made of wood.
5. The single chair frame according to claim 1, characterized in that, The operating part is a five-star nut, and the operating part is provided with an operating hole for the fastening part to protrude into.
6. The single chair frame according to claim 1, characterized in that, The armrest module has a first insert on one side near the backrest module, and the backrest module has second inserts on both sides. The first insert and the second insert are inserted and fixed to assemble the armrest module and the backrest module.
7. The single chair frame according to claim 6, characterized in that, The backrest module includes a backrest frame and a seat cushion connecting part connected to the backrest frame; the second insert is disposed on the backrest frame, and the seat cushion connecting part is provided with a seat cushion fixing hole.
8. The single chair frame according to claim 7, characterized in that, The seat cushion module includes an upper wooden frame, a lower wooden frame, and a mounting part located between the upper wooden frame and the lower wooden frame, wherein the mounting part is provided with mounting holes.
9. The single chair frame according to claim 8, characterized in that, The mounting part is aligned with the seat cushion connecting part, the mounting hole is aligned with the seat cushion fixing hole, and the fastening part is assembled to the mounting hole and the seat cushion fixing hole to assemble the seat cushion module and the backrest module.
10. The single chair frame according to claim 8, characterized in that, The armrest module includes an armrest frame and an armrest fixing part connected to the armrest frame. The armrest fixing part is provided with an armrest connection hole. A T-nut is assembled from the outside of the armrest module into the armrest connection hole and the mounting hole. The mounting part is aligned with the armrest fixing part, and the mounting hole is aligned with the armrest connection hole. A fastening part is assembled from the inside of the armrest module into the mounting hole and the armrest connection hole and screwed to the T-nut for fixing, so as to assemble the seat cushion module and the armrest module.
11. The single chair frame according to claim 8, characterized in that, The fastener also includes a washer, which is sleeved outside the fastening part, with one side of the washer abutting against the inner side of the mounting part and the other side of the washer abutting against the operating part.
12. A single chair, characterized in that, It includes a cushion and a single chair frame as described in any one of claims 1 to 11, wherein the cushion covers the single chair frame.
13. The single chair according to claim 12, characterized in that, The cushions include a backrest cushion, a seat cushion, and an armrest cushion. The backrest cushion covers the backrest module, the seat cushion covers the seat cushion module, and the armrest cushion covers the armrest module.