Detachable dining chair iron stand structure convenient to store and transport

By designing a detachable dining chair frame structure, using L-shaped and U-shaped support frames, hot-rolled plate connections, and locking screws, the problems of space waste and deformation during transportation and storage of dining chair frames are solved, improving stability and service life.

CN223873572UActive Publication Date: 2026-02-06AVERY DISPLAY (JIANGSU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520654983.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-06
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Conventional dining chair frame structures take up a lot of space during transportation and storage, are prone to deformation, and lead to customer complaints and economic losses.

Method used

Design a detachable dining chair frame structure, using a left support frame and a right support frame, which are connected by a connecting plate and a locking assembly. The support frame is L-shaped horizontally and U-shaped vertically. The connecting plate is made of hot-rolled plate, and the locking assembly is a locking screw with a limited length of the screw sleeve to prevent the screw from being exposed and oxidized.

Benefits of technology

It enables convenient disassembly and stability of the dining chair frame, reduces transportation space, lowers the risk of deformation, increases service life and connection strength, avoids user injury, and reduces economic losses.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223873572U_ABST
    Figure CN223873572U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of furniture, and particularly discloses a detachable dining chair iron stand structure convenient to store and transport, which comprises a left support frame and a right support frame, the heights of the left support frame and the right support frame are the same, and the upper parts of the left support frame and the right support frame are fixed with a seat plate of a dining chair through fasteners; connecting plates are fixedly arranged at the opposite ends of the left supporting frame and the right supporting frame correspondingly, and the two connecting plates are connected through a plurality of locking assemblies. According to the detachable dining chair iron frame structure, the chair frame is divided into the two parts, the connecting plates are fixedly arranged at the opposite ends of the left supporting frame and the right supporting frame, the transverse sections of the left supporting frame and the right supporting frame are the L-shaped supporting frames with the obtuse included angles, the short edges of the L-shaped supporting frames face upwards, the surfaces of the short edges of the two supporting frames are flush with each other, and therefore the detachable dining chair iron frame structure is formed. The L-shaped supporting frames can reduce waste of space during packaging and placing, and can also be stacked and placed in a staggered mode, so that the deformation rate of the left supporting frame and the right supporting frame is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to furniture technical field, specifically a kind of detachable dining chair iron frame structure of storage and transportation. BACKGROUND

[0002] The conventional dining chair iron frame is usually designed as a whole forming structure, which occupies a large area during transportation or storage, is not easy to pack, and is prone to deformation when stacked together, resulting in customer complaints and large quantities of returns, causing significant economic losses. Therefore, there is an urgent need to design a detachable dining chair iron frame structure for storage and transportation to solve the above problems. SUMMARY

[0003] The utility model aims to provide a detachable dining chair iron frame structure for storage and transportation, which solves the above problems.

[0004] To solve the above technical problems, the utility model provides a detachable dining chair iron frame structure for storage and transportation, which includes a left support frame and a right support frame. The left support frame and the right support frame are of the same height, and their upper parts are fixed to the seat plate of the dining chair by fasteners. The opposite ends of the left support frame and the right support frame are fixedly provided with connecting plates, and the two connecting plates are connected by a plurality of locking assemblies.

[0005] Further, the horizontal cross-section of the left support frame and the right support frame is L-shaped, the included angle between the two brackets of each L-shaped bracket is obtuse, and the connection between each of the two brackets is arc-shaped. The vertical cross-section of the left support frame and the right support frame is U-shaped, and the corners of the U-shaped bracket are arc-shaped.

[0006] Further, a plurality of mounting holes are formed in each of the connecting plates.

[0007] Further, the locking assembly is a pair of locking screws, each of which includes a sleeve and a bolt. The sleeve is inserted into the mounting hole of the two connecting plates, and the outer end is provided with a limiting boss. The threaded section of the bolt is threadedly connected with the sleeve.

[0008] Further, the length of the sleeve section is less than or equal to the sum of the thicknesses of the two connecting plates.

[0009] Further, the left support frame and the right support frame are hollow pipe structures.

[0010] Further, the connecting plate is a hot-rolled plate, and each hot-rolled plate is respectively welded and fixed to the left support frame and the right support frame.

[0011] The detachable dining chair iron frame structure has the advantages that the chair frame is divided into two parts, the opposite ends of the left support frame and the right support frame are fixedly provided with the connecting plates, the horizontal section of the left support frame and the right support frame is an L-shaped support frame with an obtuse angle, the short side of the L-shaped support frame faces upward, the short side surfaces of the two support frames are flush, the L-shaped support frame can reduce the waste of space when being packed and placed, and the L-shaped support frame can be placed in a staggered manner to reduce the deformation rate of the left support frame and the right support frame;

[0012] The connecting plates on the left support frame and the right support frame are connected through the locking assembly to fix the left support frame and the right support frame, and the upper connecting surfaces of the left support frame and the right support frame are fixed through the fasteners, so that the positions of the left support frame and the right support frame are well fixed through the whole blocking principle, and the stability and the detachability of the dining chair are improved.

[0013] The vertical section of the left support frame and the right support frame is provided, the front and rear positions of the left support frame and the right support frame are effectively stabilized through the symmetrical stability of the U-shaped structure, and the corners of the U-shaped structure are in the arc shape, so that the risk of injury caused by kicking the sharp chair frame when a user walks is effectively avoided.

[0014] The locking assembly is provided, the exposed surface of the locking screw is reduced through the locking mode and the length limitation of the screw sleeve section, the screw sleeve and the bolt of the locking screw are protected from oxidation, the service life of the locking screw is improved, and the problem that the existing metal screw is oxidized after being exposed for a long time is solved.

[0015] The connecting plate is made of hot-rolled plate, so that the overall quality of the left support frame and the right support frame is effectively reduced, the strength of the connecting position is improved, and the problem that the strength of the existing connecting plate cannot be guaranteed is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 is an explosion view of the detachable dining chair iron frame structure convenient to store and transport;

[0018] In the figure: 1-left support frame, 2-right support frame, 3-fastener, 4-connecting plate, 5-locking assembly, 21-bracket, 41-mounting hole, 51-screw sleeve, 52-bolt, 511-limiting boss. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the utility model specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0020] In one specific embodiment of the utility model, as shown in Figure 1 A detachable dining chair iron frame structure convenient to store and transport is specifically disclosed, which comprises a left support frame 1 and a right support frame 2, the left support frame 1 and the right support frame 2 are hollow pipe structures, the height of the left support frame 1 is the same as that of the right support frame 2, and the upper parts of the left support frame 1 and the right support frame 2 are fixed with the seat plate of the dining chair through fasteners 3, the opposite ends of the left support frame 1 and the right support frame 2 are fixedly provided with connecting plates 4, a plurality of mounting holes 41 are formed in each connecting plate 4, and the two connecting plates 4 are connected through a plurality of locking assemblies 5.

[0021] The detachable dining chair iron frame structure of the utility model divides the chair frame into two parts, the opposite ends of the left support frame 1 and the right support frame 2 are fixedly provided with the connecting plates 4, the horizontal cross section of the left support frame 1 and the right support frame 2 is an L-shaped support frame with an obtuse angle, the short side of the L-shaped support frame faces upward, and the short side surfaces of the two support frames are flush, the L-shaped support frame can reduce the waste of space when being packed and placed, and can be placed in a staggered manner to reduce the deformation rate of the left support frame 1 and the right support frame 2.

[0022] After alignment, the connecting plates 4 on the left support frame 1 and the right support frame 2 are connected through the locking assemblies 5 to fix the left support frame 1 and the right support frame 2, and the upper connecting surfaces of the left support frame 1 and the right support frame 2 are fixed with the whole dining chair seat plate through the fasteners 3, the position of the left support frame 1 and the right support frame 2 is well fixed by using the whole blocking principle to improve the stability and detachability of the dining chair.

[0023] The horizontal cross section of the left support frame 1 and the right support frame 2 is L-shaped, the angle between the two supports 21 of each L-shaped support is obtuse, and the connection between each two supports 21 is arc-shaped, the vertical cross section of the left support frame 1 and the right support frame 2 is U-shaped, the corners of the U-shaped support are arc-shaped, the vertical cross section of the left support frame 1 and the right support frame 2 is arranged to effectively stabilize the front and rear positions of the left support frame 1 and the right support frame 2 through the symmetrical stability of the U-shaped support, and the arc-shaped corners of the U-shaped support can effectively avoid the risk of injury caused by kicking the sharp chair frame when the user walks.

[0024] The locking assembly 5 is a pair of locking screws, each of which comprises a sleeve 51 and a bolt 52, the sleeve 51 is arranged in the mounting hole 41 of the two connecting plates 4, and the outer end is provided with a limiting boss 511, the threaded section of the bolt 52 is threadedly matched with the sleeve 51, and the length of the sleeve section of the sleeve 51 is less than or equal to the sum of the thicknesses of the two connecting plates 4, the locking assembly 5 is arranged, the pair of locking screws is used in a pair of locking mode, and the length of the sleeve section of the sleeve 51 is limited, so that the exposed surface of the pair of locking screws is reduced, the sleeve 51 and the bolt 52 of the pair of locking screws are prevented from being oxidized, the service life of the pair of locking screws is improved, and the problem that the existing metal screws are oxidized after being exposed for a long time is solved.

[0025] The connecting plate 4 is a hot-rolled plate, each hot-rolled plate is welded and fixed with the left support frame 1 and the right support frame 2, the connecting plate 4 adopts the hot-rolled plate, so that the overall quality of the left support frame 1 and the right support frame 2 can be effectively reduced, the strength of the connecting position can be improved, and the problem that the strength of the existing connecting plate fixing cannot be guaranteed is solved.

[0026] The working process of the utility model is as follows:

[0027] The installation process of the dining chair iron frame structure is as follows:

[0028] Firstly, the left support frame 1 and the right support frame 2 are placed relative to each other, and the connecting plates 4 of the two are relative to each other, then the sleeve section of the sleeve 51 of the pair of locking screws is embedded into the connecting plates 4 of the left support frame 1 and the right support frame 2, and the limiting boss 511 is attached to one side wall of the connecting plates 4 of the two, then the threaded section of the bolt 52 is screwed into the sleeve 2, and the nut of the bolt 52 is attached to one side wall of the connecting plates 4 of the two, the limiting boss 511 and the nut of the bolt 52 effectively lock the connecting plates 4 of the left support frame 1 and the right support frame 2, after locking, the top flat frame of the left support frame 1 and the right support frame 2 is fastened with the dining chair seat plate through the fastener 3, and the rapid installation of the dining chair is completed, so that the installation efficiency of the dining chair is improved, and meanwhile, the problem that the dining chair structure is too large, occupies a large area and is easy to deform can be effectively prevented.

[0029] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A collapsible dining chair frame structure for easy storage and transportation, characterized in that, The utility model provides a left support frame (1) and right support frame (2) are included, the left support frame (1) with the right support frame (2) are same in height, and the upper portion is fixed with the seat plate of dining chair through fastener (3), the opposite end of left support frame (1) and right support frame (2) is fixedly arranged with connecting plate (4), and the connecting plate (4) between two is connected through several locking assemblies (5).

2. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 1 wherein, The transverse section of left support frame (1) and right support frame (2) is L type, the included angle between two supports (21) of each L type is obtuse angle, and the connecting place of each two supports (21) is arc shape, the vertical section of left support frame (1) and right support frame (2) is U type, and the corner of U type is arc shape.

3. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 1 wherein, Several mounting holes (41) are formed in each connecting plate (4).

4. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 3 wherein, The locking assembly (5) is a pair of locking screws, each pair of locking screws includes a sleeve (51) and a bolt (52), the sleeve (51) is provided in the mounting hole (41) of two connecting plates (4), and the outer end is provided with a limiting boss (511), the threaded section of the bolt (52) is threadedly connected with the sleeve (51).

5. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 4 wherein, The length of the sleeve section of the sleeve (51) is less than or equal to the sum of the thicknesses of the two connecting plates (4).

6. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 1 wherein, The left support frame (1) and the right support frame (2) are hollow tube structures.

7. A collapsible dining chair frame structure for easy storage and transportation as claimed in claim 1 wherein, The connecting plate (4) is a hot-rolled plate, and each hot-rolled plate is respectively welded and fixed with the left support frame (1) and the right support frame (2).