Detachable bent pipe combined chair

The modular bend pipe chair design addresses inefficiencies in production and transport by enabling disassembly into components, reducing space requirements and damage risk, while allowing for easy assembly and component replacement.

CN223095119UActive Publication Date: 2025-07-15JIANGSU SKYRUN INT TIPTOP TOOLS CO LTD
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Patent Information

Application Number
CN202422575051.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-07-15
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

The existing bent pipe chair has complex production process, low packaging efficiency, and is prone to deformation during logistics and transportation, resulting in high return and exchange rate and affecting sales.

Method used

A detachable flexure assembly chair is designed to detachably connect the armrests, connecting pipes and back frames through fastening components to form a detachable backrest assembly and securely secured by bolts and gaskets for easy disassembly and stacking.

Benefits of technology

Save storage and transportation space to the greatest extent, prevent product damage, reduce maintenance costs, and extend service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223095119U_ABST
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Abstract

The utility model relates to the technical field of bent pipe processes, and discloses a detachable bent pipe combined chair, which comprises a seat frame, a backrest component, a fastening component and foot pipes, wherein the backrest assembly is detachably installed on the top of the seat frame, and the backrest assembly comprises armrests located on the left side and the right side of the top of the seat frame. The handrails, the upper connecting pipes, the lower connecting pipes and the back frame are combined through the fastening assemblies to form the backrest assembly, then the backrest assembly and the seat frame are combined through the fastening assemblies, and finally the foot pipes are installed at the bottom of the seat frame to complete splicing combination. The bent pipe combined chair can be disassembled into the seat frame, the backrest assembly and the foot pipes, meanwhile, the backrest assembly can be continuously disassembled, the space needed for storage and transportation is saved to the maximum extent, the components are stacked, products are prevented from being damaged in the transportation process, and the product quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bent pipe processes, and more specifically, the utility model relates to a detachable bent pipe combination chair. Background Technique

[0002] A bent pipe chair is a chair that uses bent metal pipes as the main structural elements. Due to the strength and stability of the metal pipes, the bent pipe chair is usually very strong and durable in structure. This kind of chair can bear a large weight and pressure, and is not easy to deform or damage, so it is suitable for use in a variety of occasions.

[0003] At present, the production process of bent pipe chairs is relatively complex and requires multiple steps such as pipe truncation, bent pipe forming, drilling, and connection to complete. Among them, the bent pipe process is one of the key steps in making bent pipe combination chairs, which requires the pipe to maintain a certain shape and dimensional accuracy during the bending process to avoid quality problems such as cracks and deformation.

[0004] At present, at the product packaging stage after the production of bent pipe chairs, the bent pipe chairs are usually partially disassembled and packaged, or packaged as a whole. The low space utilization rate affects the packing quantity and is not conducive to the shipment of products. In the logistics transportation of bent pipe chairs, the assembled bent pipe chairs are also more likely to be squeezed and deformed, resulting in more returns and exchanges, which affects the sales volume of products. Therefore, it needs to be improved and optimized. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a detachable bent pipe combination chair, which has the advantages that the product can be integrally disassembled and the packaging size can be reduced.

[0006] To achieve the above object, the utility model provides the following technical solution: a detachable bent pipe combination chair, the bent pipe combination chair includes a seat frame, a backrest assembly, a fastening assembly, and foot tubes;

[0007] Among them, the backrest assembly is detachably installed on the top of the seat frame. The backrest assembly includes armrests located on the left and right sides of the top of the seat frame. The upper ends of the two groups of armrests are sleeved with upper connecting tubes, and the lower ends of the two groups of armrests are sleeved with lower connecting tubes. There are two groups of upper connecting tubes and two groups of lower connecting tubes respectively. The other ends of the two groups of upper connecting tubes are mutually sleeved with the top end of the backrest frame, and the other ends of the two groups of lower connecting tubes are mutually sleeved with the low end of the backrest frame. The four corners of the bottom of the seat frame are detachably installed with foot tubes through the fastening assembly.

[0008] As a preferred technical solution of the utility model, connection tube fixing holes two are opened at the bottoms of the two groups of upper connecting tubes;

[0009] One end of each of the two upper connecting pipes and the armrest are detachably installed through a fastening component, and the other end of each of the two upper connecting pipes and the backrest are detachably installed through a fastening component. One end of the fastening component penetrates into the second connecting pipe fixing hole and is threadedly sleeved with the second connecting pipe fixing hole.

[0010] As a preferred technical solution of the present utility model, the seat frame and the bottoms of the two lower connecting pipes are both provided with first connecting pipe fixing holes. One end of each of the two lower connecting pipes, the armrest and the seat frame are detachably installed through a fastening component, and the other end of each of the two lower connecting pipes, the backrest and the seat frame are detachably installed through a fastening component. One end of the fastening component penetrates into the first connecting pipe fixing hole and is threadedly sleeved with the first connecting pipe fixing hole.

[0011] As a preferred technical solution of the present utility model, foot tube fixing holes are respectively provided at the four corners of the bottom of the seat frame. One end of the fastening component penetrates through the foot tube and is located inside the foot tube fixing hole, and one end of the fastening component is threadedly sleeved with the foot tube fixing hole.

[0012] As a preferred technical solution of the present utility model, the fastening component includes a bolt, a nut is fixedly installed at one end of the bolt, and a gasket is sleeved on the outer wall of the bolt.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model combines the armrest, the upper connecting pipe, the lower connecting pipe and the backrest through the fastening component to form a backrest component, and then combines the backrest component and the seat frame through the fastening component. Finally, the foot tube is installed at the bottom of the seat frame to complete the splicing combination. Compared with the traditional device, the bent pipe combined chair can split itself into a seat frame, a backrest component and a foot tube. At the same time, the backrest component can be further split, saving the space required for storage and transportation to the greatest extent, and the components are stacked on each other to prevent the product from being damaged during transportation, improving the product quality.

[0015] 2. The present utility model fixes the backrest component, the seat frame and the foot tube through the fastening component. The fixing method is simple, and the bolt is fixed more firmly through the gasket. More importantly, compared with the traditional bent pipe chair, when a component of the bent pipe combined chair is damaged, the user only needs to replace the component, rather than replacing the entire chair, which reduces the maintenance cost and extends the service life of the chair. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is an exploded view of the present utility model;

[0018] Figure 3 Explosion diagram of the backrest of the present utility model;

[0019] Figure 4 Explosion diagram of the foot tube and seat frame of the present utility model;

[0020] Figure 5 Explosion diagram of the bolt of the present utility model;

[0021] Figure 6 Schematic diagram of the structure of the second fixing hole of the present utility model.

[0022] In the figure: 1, seat frame; 2, backrest assembly; 3, armrest; 4, upper connecting pipe; 5, lower connecting pipe; 6, fastening assembly; 7, backrest; 8, foot tube; 9, bolt; 10, nut; 11, gasket; 12, foot tube fixing hole; 13, connecting pipe fixing hole one; 14, connecting pipe fixing hole two. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] As Figures 1 to 6 shown, the present utility model provides a detachable bent tube combination chair, and the bent tube combination chair includes a seat frame 1, a backrest assembly 2, a fastening assembly 6 and a foot tube 8;

[0025] Among them, the backrest assembly 2 is detachably installed on the top of the seat frame 1. The backrest assembly 2 includes armrests 3 located on the left and right sides of the top of the seat frame 1. Upper connecting pipes 4 are sleeved on the upper ends of the two groups of armrests 3, and lower connecting pipes 5 are sleeved on the lower ends of the two groups of armrests 3. There are two groups of upper connecting pipes 4 and two groups of lower connecting pipes 5 respectively. The other ends of the two groups of upper connecting pipes 4 are mutually sleeved with the top end of the backrest 7, and the other ends of the two groups of lower connecting pipes 5 are mutually sleeved with the lower end of the backrest 7. The four corners of the bottom of the seat frame 1 are detachably installed with foot tubes 8 through the fastening assembly 6.

[0026] As Figure 1As shown in the figure, after the elbow pipe combined chair is assembled, it can be used normally. When logistics transportation is required, the staff first observes the fastening component 6 inside the connecting pipe fixing hole 13, and rotates the nut 10 to remove the bolt 9 and the gasket 11. At this time, the backrest component 2 can be disassembled from the seat frame 1, and the fixing between the backrest frame 7, the armrest 3 and the lower connecting pipe 5 is lost. At this time, the staff disassembles the internal structure of the backrest component 2. The staff observes the fastening component 6 inside the connecting pipe fixing hole 14, and rotates the nut 10 to also remove the bolt 9 and the gasket 11. At this time, the fixing between the armrest 3, the upper connecting pipe 4, the lower connecting pipe 5 and the backrest frame 7 is lost. Thus, the disassembly of the backrest component 2 is completed. Then the staff observes the fastening component 6 inside the foot pipe fixing hole 12, and also rotates the nut 10 to remove the bolt 9 and the gasket 11. At this time, the disassembly between the foot pipe 8 and the seat frame 1 is completed. At this time, the device is disassembled into a set of seat frames 1, two sets of armrests 3, two sets of upper connecting pipes 4, two sets of lower connecting pipes 5, a set of backrest frames 7, four sets of foot pipes 8, and twenty sets of fastening components 6.

[0027] The armrest 3, the upper connecting pipe 4, the lower connecting pipe 5 and the backrest frame 7 are combined through the fastening component 6 to form the backrest component 2. Then the backrest component 2 and the seat frame 1 are combined through the fastening component 6. Finally, the foot pipe 8 is installed at the bottom of the seat frame 1 to complete the splicing combination. Compared with the traditional device, the elbow pipe combined chair can disassemble itself into the seat frame 1, the backrest component 2 and the foot pipe 8. At the same time, the backrest component 2 can be further disassembled, saving the space required for storage and transportation to the greatest extent, and the components are stacked on each other to prevent the product from being damaged during transportation, improving the product quality.

[0028] Among them, connection pipe fixing holes 14 are provided at the bottoms of the two sets of upper connecting pipes 4;

[0029] Among them, one end of the two sets of upper connecting pipes 4 and the armrest 3 are detachably installed through the fastening component 6, and the other end of the two sets of upper connecting pipes 4 and the backrest frame 7 are detachably installed through the fastening component 6. One end of the fastening component 6 penetrates into the connection pipe fixing hole 14 and is threadedly sleeved with the connection pipe fixing hole 14.

[0030] Through the setting of the connection pipe fixing hole 14, the fastening component 6 can penetrate into the upper connecting pipe 4 and fix the upper connecting pipe 4 between the armrest 3 and the backrest frame 7.

[0031] Among them, connection pipe fixing holes 13 are provided at the bottoms of the seat frame 1 and the two sets of lower connecting pipes 5. One end of the two sets of lower connecting pipes 5 and the armrest 3 and the seat frame 1 are detachably installed through the fastening component 6, and the other end of the two sets of lower connecting pipes 5 and the backrest frame 7 and the seat frame 1 are detachably installed through the fastening component 6. One end of the fastening component 6 penetrates into the connection pipe fixing hole 13 and is threadedly sleeved with the connection pipe fixing hole 13.

[0032] Through the provision of the first connecting pipe fixing hole 13, the fastening assembly 6 can pass through the seat frame 1 and penetrate into the interior of the lower connecting pipe 5, further fixing the lower connecting pipe 5 to the seat frame 1, the armrest 3, and the backrest frame 7.

[0033] Among them, foot pipe fixing holes 12 are provided at the four corners of the bottom of the seat frame 1. One end of the fastening assembly 6 penetrates through the foot pipe 8 and is located inside the foot pipe fixing hole 12, and one end of the fastening assembly 6 is threadedly sleeved with the foot pipe fixing hole 12.

[0034] Through the provision of the foot pipe fixing hole 12, the fastening assembly 6 can pass through the top of the foot pipe 8 and penetrate into the foot pipe fixing hole 12, completing the fixation between the seat frame 1 and the foot pipe 8.

[0035] Among them, the fastening assembly 6 includes a bolt 9. A nut 10 is fixedly installed at one end of the bolt 9, and a gasket 11 is sleeved on the outer wall of the bolt 9.

[0036] The fixing relationship of threaded socketing is achieved through the bolt 9. The nut 10 facilitates the rotation by the staff, and the gasket 11 makes the fixing of the bolt 9 more firm.

[0037] The fastening assembly 6 is used to fix the backrest assembly 2, the seat frame 1, and the foot pipe 8. The fixing method is simple, and the gasket 11 makes the fixing of the bolt 9 more firm. More importantly, compared with the traditional bent tube chair, when a component of this bent tube combined chair is damaged, the user only needs to replace the component, rather than replacing the entire chair, which reduces the maintenance cost and extends the service life of the chair.

[0038] The working principle and usage process of the present utility model:

[0039] As Figure 1 shown, after the bent tube combined chair is assembled, it can be used normally. When logistics transportation is required, the staff first observes the fastening assembly 6 inside the first connecting pipe fixing hole 13 and rotates the nut 10 to remove the bolt 9 and the gasket 11. At this time, the backrest assembly 2 can be disassembled from the seat frame 1, and the fixing between the backrest frame 7, the armrest 3, and the lower connecting pipe 5 is lost. At this time, the staff disassembles the internal structure of the backrest assembly 2. The staff observes the fastening assembly 6 inside the second connecting pipe fixing hole 14 and rotates the nut 10 to also remove the bolt 9 and the gasket 11. At this time, the fixing between the armrest 3, the upper connecting pipe 4, the lower connecting pipe 5, and the backrest frame 7 is lost, and thus the disassembly of the backrest assembly 2 is completed. Then the staff observes the fastening assembly 6 inside the foot pipe fixing hole 12 and also rotates the nut 10 to remove the bolt 9 and the gasket 11. At this time, the disassembly between the foot pipe 8 and the seat frame 1 is completed. At this time, the device is disassembled into a set of seat frames 1, two sets of armrests 3, two sets of upper connecting pipes 4, two sets of lower connecting pipes 5, a set of backrest frames 7, four sets of foot pipes 8, and twenty sets of fastening assemblies 6.

[0040] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable elbow combination chair, characterized in that: The elbow pipe combined chair includes a seat frame (1), a backrest assembly (2), a fastening assembly (6) and a foot pipe (8); Among them, the backrest assembly (2) is detachably installed on the top of the seat frame (1). The backrest assembly (2) includes armrests (3) located on the left and right sides of the top of the seat frame (1). Upper connecting pipes (4) are sleeved on the upper ends of the two groups of armrests (3), and lower connecting pipes (5) are sleeved on the lower ends of the two groups of armrests (3). There are two groups of the upper connecting pipes (4) and the lower connecting pipes (5) respectively. The other ends of the two groups of upper connecting pipes (4) are mutually sleeved with the top end of the backrest frame (7), and the other ends of the two groups of lower connecting pipes (5) are mutually sleeved with the lower end of the backrest frame (7). Foot pipes (8) are detachably installed at the four corners of the bottom of the seat frame (1) through the fastening assembly (6).

2. The detachable elbow combined chair according to claim 1, characterized in that: Connection pipe fixing holes two (14) are opened at the bottoms of the two groups of upper connecting pipes (4); Among them, one ends of the two groups of upper connecting pipes (4) and the armrests (3) are detachably installed through the fastening assembly (6), and the other ends of the two groups of upper connecting pipes (4) and the backrest frame (7) are detachably installed through the fastening assembly (6). One end of the fastening assembly (6) penetrates into the connection pipe fixing hole two (14) and is threadedly sleeved with the connection pipe fixing hole two (14).

3. The detachable elbow combined chair according to claim 1, wherein: Connection pipe fixing holes one (13) are opened at the bottoms of the seat frame (1) and the two groups of lower connecting pipes (5). One ends of the two groups of lower connecting pipes (5) and the armrests (3) and the seat frame (1) are detachably installed through the fastening assembly (6), and the other ends of the two groups of lower connecting pipes (5) and the backrest frame (7) and the seat frame (1) are detachably installed through the fastening assembly (6). One end of the fastening assembly (6) penetrates into the connection pipe fixing hole one (13) and is threadedly sleeved with the connection pipe fixing hole one (13).

4. The detachable elbow joint combined chair according to claim 1, characterized in that: Foot pipe fixing holes (12) are opened at the four corners of the bottom of the seat frame (1). One end of the fastening assembly (6) penetrates through the foot pipe (8) and is located inside the foot pipe fixing hole (12), and one end of the fastening assembly (6) is threadedly sleeved with the foot pipe fixing hole (12).

5. A detachable elbow chair combination according to claim 1, characterized in that: The fastening assembly (6) includes a bolt (9). A nut (10) is fixedly installed at one end of the bolt (9), and a gasket (11) is sleeved on the outer wall of the bolt (9).