Stacked chair
By designing protruding and recessed structures at the connection between the seat and legs, combined with the gaps in the U-shaped backrest frame and armrests, the problem of inconvenient stacking of chairs is solved, achieving a stackable chair design that balances comfort and stability.
Patent Information
- Application Number
- CN202520235252.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing chairs are not convenient for stacking and storing multiple chairs, and chairs that are easy to store are not comfortable enough.
Design a stackable chair by forming a protruding and concave structure at the connection between the seat and the legs. The legs are inserted into the concave for stacking. A gap is reserved between the armrests and the seat on the backrest frame. The seat adopts a reinforcing rib structure. The gap between the armrests and the seat allows for stacking. The backrest frame has a U-shaped structure for easy assembly and disassembly.
It enables the stable stacking of multiple chairs, reducing space occupation while ensuring comfort and stability in use, and reducing transportation costs.
Smart Images

Figure CN223695322U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to furniture technical field, especially a kind of stackable chair. BACKGROUND
[0002] As the furniture product of larger demand, the use comfort and storage convenience of chair are widely concerned by people.
[0003] Most of the existing chairs are not convenient to store, and the chairs convenient to store are mostly without backrest and armrest to ensure less space occupation, and their comfort needs to be improved, the present scheme provides a kind of chair, which is convenient to stack and store multiple chairs to reduce space occupation, while ensuring use comfort, and is applied to places where space needs to be used flexibly. SUMMARY
[0004] To solve the above technical problems, the utility model aims at providing a kind of stackable chair, which solves the problem that the existing chair is not convenient to stack and store multiple chairs.
[0005] To achieve the above purpose, the utility model adopts the technical scheme of: a kind of stackable chair, including chair leg, chair face and backrest frame, the connecting place of chair face and chair leg extends outward to form convex part, and is connected with chair leg through convex part, the concave part that is formed between convex part and chair face contains chair leg.
[0006] By adopting the above technical scheme, the chair placed in lower layer is chair A, the chair placed in upper layer is chair B, the chair leg of chair B is clamped in the concave part between the convex part of chair A and chair face, and chair B is stacked on the upper layer of chair A to complete the stacking and storage of multiple chairs, reduce space occupation, and the concave part limits the chair to a certain extent to ensure stability, the chair of the present scheme has backrest, and has use comfort at the same time.
[0007] Further, the backrest frame includes an armrest part, and a gap is reserved between the inner side of the armrest part and the corresponding side of the chair face for inserting the chair leg.
[0008] By adopting the above technical scheme, the armrest part is provided to improve the use comfort of the chair, and the armrest part and the chair face form a gap for stacking and storing multiple chairs.
[0009] Further, the backrest frame is an integrally-formed U-shaped structure.
[0010] By adopting the above technical scheme, the number of components constituting the chair is reduced, and the chair is convenient to disassemble and assemble.
[0011] Further, a clamping hole is provided on the backrest frame for mounting the chair leg, and the backrest frame and the chair leg are connected by a quick-release structure.
[0012] By adopting the technical scheme, the backrest frame and the chair legs are connected, and the chair can be quickly disassembled as a whole.
[0013] Further, the chair surface is a concave structure with a low middle and a high periphery, and a drainage structure is arranged in the center of the chair surface.
[0014] By adopting the technical scheme, the concave structure fits the shape of the hips, the comfort level is high, and the drainage structure can collect water on the chair surface at the bottom and discharge it.
[0015] Further, a groove adapted to the shape of the chair leg is arranged on the protruding part, and the groove is an open slot that is semi-enclosed at the chair leg.
[0016] By adopting the technical scheme, the chair leg is conveniently positioned and installed, the groove protects the chair leg, the chair leg is inclined, the opening of the groove provides convenience for the outward extension of the chair leg, compared with the traditional connection mode in which the chair leg penetrates the chair surface, the chair surface is not subjected to the outward tension of the chair leg, and the possibility of cracking of the chair surface is reduced.
[0017] Further, mounting holes are arranged on the groove and fixed with the chair leg through bolts and nuts, and a reinforcing pad is arranged on the inner side of the protruding part facing the chair surface.
[0018] By adopting the technical scheme, the strength of the protruding part is strengthened to avoid cracking of the chair surface after being connected with the chair leg.
[0019] Further, the chair surface comprises a double-layer rib plate structure arranged on the periphery and a grid reinforcing rib structure arranged inside, a reinforcing plate is arranged between the double-layer rib plate structure, a plurality of reinforcing ribs are arranged in the backrest frame, and a reinforcing member is arranged on the protruding part.
[0020] By adopting the technical scheme, the strength of the chair surface is strengthened, and the weight capacity of the chair is improved.
[0021] Further, a plurality of chair legs are arranged, and each chair leg connects the chair surface and the backrest frame.
[0022] By adopting the technical scheme, the chair leg serves as a support for the bottom of the chair while connecting the chair surface and the backrest frame, and no additional components are needed to assemble the chair, thereby achieving quick disassembly and assembly.
[0023] Further, a plurality of chair legs are arranged, and each chair leg connects the chair surface and the backrest frame.
[0024] By adopting the technical scheme, the chair leg serves as a support for the bottom of the chair while connecting the chair surface and the backrest frame, and no additional components are needed to assemble the chair, thereby achieving quick disassembly and assembly.
[0025] Compared with the prior art, the chair structure has the advantages that: 1. Compared with the traditional stacked chair, the use comfort is greatly improved, the chair surface structure is improved under the premise of ensuring the use comfort, and the chair that can stack a plurality of chairs to reduce the storage space is formed; 2. The chair body is composed of a backrest frame, a chair surface and a chair leg, the chair leg connects the seat and the backrest frame, compared with the traditional chair leg arranged below the chair surface, the chair surface and the backrest frame are connected by using the connection mode of other frames, the components are few, and disassembly and assembly are more convenient; 3. The chair surface structure and the backrest frame are strengthened, the structure design of the double-layer rib plate and the grid reinforcing rib improves the load-bearing capacity of the chair while ensuring that the chair is light; 4. The structure that the inner side surface of the armrest part and the corresponding side chair surface side edge are reserved for the chair leg insertion gap makes the backrest frame surrounded outside the chair surface, when packing, the backrest frame can be placed outside the chair surface, the occupied space of the components during transportation is reduced, and transportation cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a structural schematic view of the utility model.
[0027] Figure 2 It is a chair surface structure schematic view of the utility model.
[0028] Figure 3 It is a backrest frame structure schematic view of the utility model.
[0029] Figure 4 It is a chair surface bottom surface structure schematic view of the utility model.
[0030] Figure 5 It is a backrest frame bottom surface structure schematic view of the utility model.
[0031] Figure 6 It is a stacking structure schematic view of the utility model.
[0032] Figure 7 It is a packing placement structure schematic view of the utility model.
[0033] Figure 8 It is a first ball structure mode schematic view of the utility model.
[0034] Figure 9 It is a second ball structure mode schematic view of the utility model.
[0035] Figure 10 It is a third ball structure mode schematic view of the utility model.
[0036] Figure 11 It is a first buckle structure mode schematic view of the utility model.
[0037] Figure 12 It is a second buckle structure mode schematic view of the utility model.
[0038] Figure: 1, chair leg; 1.1, foot pad; 2, seat; 2.1, protruding part; 2.11, groove; 2.12, mounting hole; 2.13, reinforcing part; 2.2, double-layer rib structure; 2.21, reinforcing plate; 2.3, grid reinforcing rib structure; 2.4, cushion particle; 2.5, water guide groove; 2.6, water guide hole; 2.7, recess; 3, backrest frame; 3.1, armrest part; 3.2, backrest part; 3.3, clamping hole; 3.4, reinforcing rib; 4, reinforcing cushion; 5, marble structure; 5.1, marble support; 5.2, marble; 5.3, marble hole; 5.4, spring; 5.11, marble sliding cavity; 6, buckle structure; 6.2, buckle; 6.1, clamping groove. DETAILED DESCRIPTION
[0039] The utility model will be described in further detail below in combination with the drawings.
[0040] Example one: Figures 1 to 4 Given, a stackable chair, including chair leg 1, seat 2 and backrest frame 3, the backrest frame 3 includes armrest part 3.1 and backrest part 3.2, the armrest part 3.1 is arranged respectively on both sides of backrest frame 3, and the armrest part 3.1 and the backrest part 3.2 are integrally formed in U-shaped structure, the seat 2 and the chair leg 1 connection place extends outward and forms protruding part 2.1, the protruding part 2.1 is provided with groove 2.11 matched with the shape of chair leg 1, the seat 2 is connected with the chair leg 1 through the groove 2.11 on the protruding part 2.1, and the groove 2.11 is a half-enclosed open slot at the chair leg.
[0041] Example two, on the basis of example one, Figure 6 Given, the protruding part 2.1 and the seat 2 form recess 2.7 accommodating the chair leg 1, the inside surface of each armrest part 3.1 and the side edge of the seat 2 on the corresponding side are reserved with a gap for inserting the chair leg 1, and the chair placed on the lower layer is recorded as chair A, and the chair placed on the upper layer is recorded as chair B, the chair leg 1 of chair B is inserted from the gap between the armrest part 3.1 and the seat 2 of chair A and is clamped in the recess 2.7 between the protruding part of chair A and the seat, the chair B is stacked on the upper layer of chair A, and the stacking and storage of multiple chairs are completed.
[0042] Example three, on the basis of example one, the chair leg 1 is provided with multiple chair legs 1, and each chair leg 1 is sequentially connected with the seat 2 and the backrest frame 3, the chair leg 1 serves as a bottom support of the chair and a connecting component between the seat 2 and the backrest frame 3, the backrest frame 3 is provided with clamping hole 3.3 for mounting the chair leg 1, and the backrest frame 3 and the chair leg 1 are connected in quick release structure.
[0043] On the basis of example three, Figure 8The quick release structure is a ball structure 5, which comprises a clamping hole arranged at the clamping hole 3.3 and a ball assembly arranged on the chair leg 1. The ball assembly comprises a ball bracket 5.1, a ball 5.2 and a ball hole 5.3. The ball bracket 5.1 is provided with a ball sliding cavity 5.11. The ball 5.2 is located in the ball sliding cavity 5.11 and is provided with a spring 5.4 to realize expansion and contraction.
[0044] Different from the above-mentioned embodiments, the quick release structure is a Figures 9 to 10 The ball bracket is a bracket structure with deformation ability, which connects the ball 5.2 and realizes the buckling of the ball assembly and the clamping hole by pressing the ball 5.2 into the ball hole 5.3.
[0045] Based on the third embodiment, the quick release structure is a Figures 11 to 12 The quick release structure is a buckle structure 6, which comprises a buckle 6.2 and a clamping groove 6.1 arranged on the clamping hole 3.3 and the chair leg 1 respectively. The buckle 6.2 is in the shape of a barb and is buckled into the clamping groove 6.1.
[0046] Based on the first embodiment, the quick release structure is a Figures 4 to 5 The recess 2.11 is provided with a mounting hole 2.12. The mounting hole 2.12 is fixed to the chair leg 1 by a bolt and nut structure. The protruding part 2.1 is in the shape of a hollow shell. The protruding part 2.1 is provided with a reinforcing part 2.13. The connection between the protruding part 2.1 and the chair surface 2 is provided with a reinforcing pad 4 on the inner side facing the chair surface.
[0047] Based on the above-mentioned embodiments, the reinforcing part 2.13 is integrated with the chair surface 2 or is integrally injection molded.
[0048] Different from the above-mentioned embodiments, the reinforcing part 2.13 is separately arranged from the chair surface 2 and is installed by the user.
[0049] Based on the fourth embodiment, the chair surface 2 comprises a double-layer rib plate structure 2.2 arranged on the outer periphery and a grid reinforcing rib structure 2.3 arranged inside. The double-layer rib plate structure 2.2 is provided with a reinforcing plate 2.21. The backrest frame 3 is provided with a plurality of reinforcing ribs 3.4.
[0050] Based on the first embodiment, the chair surface 2 is a concave structure with a low middle and high periphery. The chair surface 2 is provided with a drainage structure. The drainage structure comprises a water guide groove 2.5 and a water guide hole 2.6. The water guide hole 2.6 is arranged at the bottom of the water guide groove 2.5.
[0051] Based on the above-mentioned embodiments, the chair surface 2 is provided with a mat 2.4 at the bottom.
[0052] Based on the above-mentioned embodiments, each of the chair legs 1 is provided with a mat 1.1 at the bottom.
[0053] The state of the product when being boxed is shown Figure 7 When being transported in a box, the chair is in an unassembled state, the width of the back frame in U shape is greater than the width of the seat, and the seat is placed in the back frame, so that the packaging volume can be saved.
[0054] Although the preferred embodiments of the present application are described in detail above, it should be clear to those skilled in the art that the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A stackable chair comprising a chair leg (1), a seat (2) and a backrest frame (3), characterized in that, The chair surface (2) and the chair leg (1) are connected outwardly to form a protrusion (2.1), and are connected through the protrusion (2.1) and the chair leg (1), and the protrusion (2.1) and the chair surface (2) form a recess (2.7) for accommodating the chair leg (1).
2. A stackable chair according to claim 1, characterized in that The backrest frame (3) includes an armrest part (3.1), and a gap is reserved between the inner side of the armrest part (3.1) and the side edge of the corresponding side chair surface (2) for inserting the chair leg (1).
3. A stackable chair according to claim 2, wherein, The backrest frame (3) is an integral U-shaped structure.
4. A stackable chair according to claim 1, wherein, The backrest frame (3) is provided with a clamping hole for mounting the chair leg (1), and the backrest frame (3) and the chair leg (1) are connected by a quick release structure.
5. A stackable chair according to claim 1, wherein, The chair surface (2) is a concave structure with a low middle and a high periphery, and a drainage structure is arranged in the center of the chair surface (2).
6. A stackable chair according to claim 1, wherein, The protrusion (2.1) is provided with a groove (2.11) matched with the shape of the chair leg (1), and the groove (2.11) is an open slot semi-enclosing the chair leg.
7. A stackable chair according to claim 6, wherein, The groove (2.11) is provided with a mounting hole (2.12) and is fixed with the chair leg (1) through a bolt and a nut, and the inner side of the protrusion (2.1) facing the chair surface is provided with a reinforcing pad (4).
8. A stackable chair according to claim 1, wherein, The chair surface (2) includes a double-layer rib plate structure arranged on the periphery and a grid reinforcing rib structure arranged inside, and a reinforcing plate (2.21) is arranged between the double-layer rib plate structure, a plurality of reinforcing ribs (3.4) are arranged in the backrest frame (3), and a reinforcing member (2.13) is arranged on the protrusion (2.1).
9. A stackable chair according to claim 1, wherein, A plurality of chair legs (1) are arranged, and each chair leg (1) connects the chair surface (2) and the backrest frame (3).
10. A stackable chair according to claim 1, wherein, The bottom of the chair surface (2) is provided with a cushion particle (2.4), and the bottom of each chair leg (1) is provided with a cushion foot (1.1).