Cross-shaped connecting structure and steel frame structure and sofa using cross-shaped connecting structure
The cross connection structure with U-shaped plates and fastening screws addresses the aesthetic and logistical issues of traditional steel frames by offering a stable, flexible, and easy-to-assemble steel frame for office sofas.
Patent Information
- Application Number
- CN202421167528.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-27
AI Technical Summary
Traditional office sofa support steel frames are aesthetically marred by welding marks and are inconvenient for packaging and transportation due to their one-piece structure.
A cross connection structure featuring symmetrically arranged U-shaped plates and vertical connecting plates with holes, connected by fastening screws, forming a steel frame with square steel pipes and threaded holes for easy assembly and disassembly.
The solution provides a stable, aesthetically pleasing, and flexible steel frame that meets diverse office needs, eliminating welding points and facilitating easy installation and transport.
Smart Images

Figure CN222285089U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of office furniture, in particular to a cross connection structure and a steel frame structure and a sofa using the same. Background Art
[0002] In an office environment, leisure sofas are important tools for rest, relaxation, communication and negotiation, so their comfort and stability are crucial. The steel frame structure supporting the sofa directly affects the quality and comfort of the sofa.
[0003] Traditional office sofa support steel frames are mostly straight or rectangular, and are mostly connected by welding. Welding may leave obvious marks at the welds, which may affect the overall appearance of the product. In addition, the one-piece structure is not convenient for packaging and transportation.
[0004] In view of this, the present utility model is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a cross connection structure and a steel frame structure and a sofa using the same, so as to solve the technical problems existing in the prior art.
[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cross connection structure, including: a connecting member, the connecting member is provided with a vertical connecting plate and a first U-shaped plate and a second U-shaped plate, the first U-shaped plate and the second U-shaped plate are symmetrically arranged on both sides of the vertical connecting plate; a plurality of first holes are arranged on each side of the first U-shaped plate and the second U-shaped plate, and a plurality of second holes are arranged on the vertical connecting plate.
[0007] In an optional embodiment, the vertical connecting plate and the first U-shaped plate and the second U-shaped plate are made of steel plates.
[0008] In an optional embodiment, the number of the first holes on each side of the first U-shaped plate and the second U-shaped plate is two.
[0009] In an optional embodiment, the number of the second holes on the vertical connecting plate is 4, wherein every two second holes form a group and are arranged close to two ends of the vertical connecting plate.
[0010] On the other hand, the utility model also provides a steel frame structure, using the cross connection structure as described above, including: horizontal beams and vertical beams, and the horizontal beams and vertical beams are both square steel pipes.
[0011] In an optional embodiment, the horizontal beam includes a first horizontal crossbeam and a second horizontal crossbeam, and the first horizontal crossbeam and the second horizontal crossbeam are respectively provided with a plurality of first threaded holes; and the vertical beam is provided with a plurality of second threaded holes.
[0012] In an optional embodiment, the first horizontal beam is connected to the first U-shaped plate, and the second horizontal beam is connected to the second U-shaped plate; the fastening screws pass through the corresponding first holes and first threaded holes to fasten and fix.
[0013] In an optional embodiment, the vertical beam is connected to the vertical connecting plate; and the fastening screws pass through the corresponding second holes and second threaded holes to fasten and fix.
[0014] On the other hand, the utility model also provides a sofa, using the cross connection structure as described above, or using the steel frame structure as described above.
[0015] The beneficial effect of the utility model is that the steel frame connection structure has high flexibility and adaptability, and can meet the diversified and personalized needs in the modern office environment. Compared with the traditional straight or rectangular office sofa support steel frame, it is more stable and has no welding points, which will not affect the overall aesthetics, and is easy to disassemble, install and transport. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 Schematic diagram of the connection structure between the cross connection structure and the steel frame provided in one embodiment of the utility model Figure 1 .
[0018] Figure 2 It is an exploded view of the connection structure between the cross connection structure and the steel frame provided in one embodiment of the utility model.
[0019] Figure 3 Schematic diagram of the connection structure between the cross connection structure and the steel frame provided in one embodiment of the utility model Figure 2 .
[0020] Figure 4 It is a structural schematic diagram of a cross connection structure and a steel frame used in a sofa provided in one embodiment of the utility model.
[0021] Cross connection structure, steel frame structure using the same, and sofa
[0022] Among them, the figure markings are: 1-connecting piece, 101-first U-shaped plate, 102-vertical connecting plate, 103-first hole, 104-second hole, 105-second U-shaped plate; 2-fastening screws; 3-horizontal beam, 301-second horizontal beam, 302-first horizontal beam, 303-first threaded hole; 4-vertical beam, 401-second threaded hole. DETAILED DESCRIPTION
[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0024] It should be noted that when a component is referred to as being "fixed on" or "disposed on" another component, it may be directly or indirectly located on the other component. When a component is referred to as being "connected to" another component, it may be directly or indirectly connected to the other component. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positions shown in the accompanying drawings and are only for the convenience of description and cannot be understood as limitations on the present technical solution. The terms "first" and "second" are only used for the convenience of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. "Multiple" means two or more, unless otherwise clearly and specifically defined.
[0025] Embodiment 1
[0026] Please refer to the attached Figure 1-2 The purpose of this embodiment is to provide a cross connection structure, including: a connecting member 1, the connecting member 1 is provided with a vertical connecting plate 102 and a first U-shaped plate 101, a second U-shaped plate 105, and the vertical connecting plate 102 and the first U-shaped plate 101, the second U-shaped plate 105 are made of steel plates.
[0027] The first U-shaped plate 101 and the second U-shaped plate 105 are symmetrically arranged on both sides of the vertical connecting plate 102; a plurality of first holes 103 are arranged on each side of the first U-shaped plate 101 and the second U-shaped plate 105. In this embodiment, the number of the first holes 103 on each side of the first U-shaped plate 101 and the second U-shaped plate 105 is two. A plurality of second holes 104 are arranged on the vertical connecting plate 102. Preferably, the number of the second holes 104 on the vertical connecting plate 102 is 4, wherein every two second holes 104 are arranged as a group near the two ends of the vertical connecting plate 102. The above structure is simple, reliable, easy to manufacture, and convenient to install.
[0028] Embodiment 2
[0029] Please refer to the attached Figure 1-4 The purpose of this embodiment is to provide a steel frame structure, using the cross connection structure in the above embodiment, characterized in that it includes: horizontal beams 3 and vertical beams 4, and the horizontal beams 3 and the vertical beams 4 are both square steel pipes.
[0030] The horizontal beam 3 includes a first horizontal beam 302 and a second horizontal beam 301 . A plurality of first threaded holes 303 are respectively provided on the first horizontal beam 302 and the second horizontal beam 301 . A plurality of second threaded holes 401 are provided on the vertical beam 4 .
[0031] The above-mentioned steel frame and connecting member 1 are used in a sofa. During installation, the first horizontal beam 302 is connected to the first U-shaped plate 101, and the second horizontal beam 301 is connected to the second U-shaped plate 105; the fastening screws 2 pass through the corresponding first holes 103 and the first threaded holes 303 to fasten and fix the first U-shaped plate 101 to the first horizontal beam 302, and to fasten and fix the second U-shaped plate 105 to the second horizontal beam 301.
[0032] The steel frame connection structure has high flexibility and adaptability, and can meet the diverse and personalized needs in the modern office environment. Compared with the traditional straight or rectangular office sofa support steel frame, it is more stable and has no welding points, which will not affect the overall aesthetics. It is easy to disassemble, install and transport.
[0033] Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model should be included in the protection scope of this utility model.
Claims
1. A cross connection structure, characterized in that: include: A connecting member (1), the connecting member (1) being provided with a vertical connecting plate (102) and a first U-shaped plate (101), and a second U-shaped plate (105), wherein the first U-shaped plate (101) and the second U-shaped plate (105) are symmetrically arranged on both sides of the vertical connecting plate (102); a plurality of first holes (103) are arranged on each side of the first U-shaped plate (101) and the second U-shaped plate (105), and a plurality of second holes (104) are arranged on the vertical connecting plate (102).
2. The cross connection structure according to claim 1, characterized in that: The vertical connection plate (102), the first U-shaped plate (101) and the second U-shaped plate (105) are made of steel plates.
3. The cross connection structure according to claim 1, characterized in that: The number of the first holes (103) on each side of the first U-shaped plate (101) and the second U-shaped plate (105) is two.
4. The cross connection structure according to claim 1, characterized in that: The number of the second holes (104) on the vertical connection plate (102) is four, wherein each two second holes (104) form a group and are arranged close to two ends of the vertical connection plate (102).
5. A steel frame structure, using the cross connection structure according to any one of claims 1 to 4, characterized in that: include: The horizontal beam (3) and the vertical beam (4) are both square steel pipes.
6. The steel frame structure according to claim 5, characterized in that: The horizontal beam (3) comprises a first horizontal beam (302) and a second horizontal beam (301), and a plurality of first threaded holes (303) are respectively provided on the first horizontal beam (302) and the second horizontal beam (301); and a plurality of second threaded holes (401) are provided on the vertical beam (4).
7. The steel frame structure according to claim 6, characterized in that: The first horizontal crossbeam (302) is connected to the first U-shaped plate (101), and the second horizontal crossbeam (301) is connected to the second U-shaped plate (105); the fastening screws (2) pass through the corresponding first holes (103) and first threaded holes (303) to fasten and fix.
8. The steel frame structure according to claim 7, characterized in that: The vertical beam (4) is connected to the vertical connecting plate (102); the fastening screws (2) pass through the corresponding second holes (104) and second threaded holes (401) to fasten and fix.
9. A sofa, characterized in that: Use the cross connection structure as described in any one of claims 1-4, or use the steel frame structure as described in any one of claims 5-8.
