Novel modularized sofa seat frame
By using blow molding/extrusion process to make sofa seat frames, and using corner codes and connecting iron frames to achieve rapid splicing, the existing sofa seat frame materials are limited, complex splicing, and single design are solved, design diversity and production efficiency are improved, and the free combination function of the sofa is realized.
Patent Information
- Application Number
- CN202421453490.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Due to the limitations of material, complex splicing process, limited design diversity, low production efficiency and single combination style, existing sofa seat frames have many defects, which are difficult to meet the needs of modern home design.
The front panel, rear panel and side panel are made using blow molding/extrusion process, and quickly splicing is used for corner codes, and the connecting iron frame is set to achieve fast splicing in four directions, eliminating glue bonding, and increasing design diversity and production efficiency.
It improves the structural stability and design diversity of the sofa seat frame, simplifies the production process, reduces production costs, realizes the free combination function of the sofa, and meets the needs of modern home design.
Smart Images

Figure CN222604180U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sofas, in particular to a novel modular sofa seat frame. Background Art
[0002] Sofa is an important part of people's daily life. It is not only an indoor decoration, but also a kind of furniture. Because the sofa is soft and elastic, people often feel very comfortable sitting on it, so many families have sofas. With the development of science and technology and the improvement of people's living standards, furniture companies have invested a lot of manpower and funds to develop sofas that can meet people's growing demand for furniture.
[0003] At present, the existing sofa seat frame is usually made of wood splicing, which leads to the following defects:
[0004] 1. Material limitations: As a natural material, the strength and stability of wood are greatly affected by factors such as environment, humidity and temperature, and it is prone to deformation, cracking and other problems;
[0005] 2. Complex splicing process: Wood splicing requires professional craftsmanship and skills to ensure that the seat frame structure is stable and not easy to loosen after splicing. Glue is needed for bonding during the splicing process, which not only increases the production cost, but also may cause the seat frame to loosen or crack due to aging of the glue after long-term use;
[0006] 3. Limited design diversity: Due to the physical properties and processing limitations of wood, its structural design is often traditional and conservative, which makes it difficult to meet the needs of modern home design for diversity and personalization;
[0007] 4. Low production efficiency: Wood processing requires multiple steps, such as cutting, grinding, splicing, etc. These steps are not only time-consuming and labor-intensive, but also difficult to automate, resulting in low production efficiency. The use of glue also increases the production cycle, because it is necessary to wait for the glue to dry and solidify before proceeding to the next step.
[0008] 5. Single combination style: The sofa seat frame usually uses bolts or glue to combine the armrests, backrests, etc. into one. The combination style is too single and has great limitations. It cannot be freely combined into a variety of sofa combination styles to meet the needs of users. Utility Model Content
[0009] In order to overcome the problems of material limitation, complex splicing process, limited design diversity, low production efficiency and single combination style of sofa seat frames in the prior art, the utility model provides a novel modular sofa seat frame.
[0010] The technical solution of the utility model is as follows:
[0011] A novel modular sofa seat frame comprises a front panel, a rear panel and two side panels arranged on the left and right sides between the front panel and the rear panel, the front panel, the rear panel and the two side panels are all made by blow molding / extrusion molding process, the left and right ends of the front panel are respectively connected to the front ends of the two side panels by angle brackets, the left and right ends of the rear panel are respectively connected to the rear ends of the two side panels by angle brackets, and the inner sides of the front panel, the rear panel and the two side panels are all provided with connecting iron frames for plugging with armrest inserts and buckling with seat frame hooks.
[0012] As a preferred solution of the present invention, the left and right top ends of the front panel are respectively connected to the front end tops of the two side panels through upper corner brackets, the left and right bottom ends of the front panel are respectively connected to the front end bottoms of the two side panels through lower corner brackets, the left and right top ends of the rear panel are respectively connected to the rear end tops of the two side panels through upper corner brackets, and the left and right bottom ends of the rear panel are respectively connected to the rear end bottoms of the two side panels through lower corner brackets.
[0013] As a preferred solution of the utility model, a plurality of first screw holes are provided on the upper portions of both ends of the front plate, the rear plate and the two side plates, a plurality of second screw holes are provided on the lower portions of both ends of the front plate, the rear plate and the two side plates, a plurality of third screw holes matching with the first screw holes are provided on the two right-angled sides of the upper corner bracket, and a plurality of fourth screw holes matching with the second screw holes are provided on the two right-angled sides of the lower corner bracket.
[0014] As a preferred solution of the present invention, a fixing nut is pre-embedded at a position corresponding to each of the first screw hole and the second screw hole on the front plate, the rear plate and the two side plates.
[0015] As a preferred solution of the utility model, the novel modular sofa seat frame also includes a spring seat frame, and the spring seat frame is fixed on the bottom plate of the upper corner bracket.
[0016] As a preferred solution of the utility model, a plurality of fifth screw holes are provided on the bottom plate of the upper angle bracket, and a plurality of sixth screw holes matching with the fifth screw holes are provided on the four corners of the spring seat frame.
[0017] As a preferred solution of the utility model, a plurality of seventh screw holes for fixing the plastic feet are provided on the bottom plate of the lower angle bracket.
[0018] As a preferred solution of the utility model, the connecting iron frame includes a fixing plate for fixing to the side panel and a plurality of hanging parts arranged side by side on one side of the fixing plate for cooperating with the seat frame hooks, and the hanging parts and the fixing plate form a plug-in groove for inserting the armrest plug.
[0019] As a preferred solution of the utility model, the front plate, the rear plate and the inner upper parts of the two side plates are each provided with a plurality of eighth screw holes, and the fixing plate is provided with a plurality of ninth screw holes matching with the eighth screw holes.
[0020] As a preferred solution of the present utility model, a fixing nut is pre-embedded at a position corresponding to each of the eighth screw holes on the front plate, the rear plate and the two side plates.
[0021] Compared with the prior art, the beneficial effects of the utility model are:
[0022] 1. The front panel, back panel and two side panels are all made of blow molding / extrusion technology, which reduces the difficulty of production and expands the structural design of the sofa seat frame. The design style is more diverse than that of wood, and can be quickly made through molds, which increases production efficiency. The seat frame can be quickly spliced through corner codes without glue bonding;
[0023] 2. By setting the connecting iron frames on the inner sides of the front panel, the rear panel and the two side panels, the sofa seat frame and the armrests or two sofa seat frames can be quickly spliced together in four directions: front, back, left and right. This makes the sofa using the new modular sofa seat frame have the function of free combination. Consumers can freely combine and arrange the sofa according to the internal space structure of the house. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] 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.
[0025] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;
[0026] Figure 2 This is a schematic structural diagram of the front plate in one embodiment of the utility model;
[0027] Figure 3 This is a schematic diagram of the structure of the upper angle code in one embodiment of the utility model;
[0028] Figure 4This is a schematic diagram of the structure of the lower angle code in one embodiment of the utility model;
[0029] Figure 5 This is a schematic structural diagram of a spring seat frame in one embodiment of the utility model;
[0030] Figure 6 It is a structural schematic diagram of a connecting iron frame in one embodiment of the utility model.
[0031] In the figure,
[0032] 1. Front plate; 101. First screw hole; 102. Second screw hole; 103. Eighth screw hole; 2. Back plate; 3. Side plate; 4. Connecting iron frame; 401. Fixing plate; 4011. Ninth screw hole; 402. Hanging piece; 403. Plug-in slot; 5. Upper angle bracket; 501. Third screw hole; 502. Fifth screw hole; 6. Lower angle bracket; 601. Fourth screw hole; 602. Seventh screw hole; 7. Spring seat frame; 701. Sixth screw hole. DETAILED DESCRIPTION
[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, it is stated that the embodiments described below are only used to explain the utility model and are not used to limit the utility model.
[0034] It should be noted that the terms "install", "set", "connect", "fix" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. The indicated orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the application product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, or the orientation or position relationship in which the application product is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0035] See also Figure 1The present embodiment provides a novel modular sofa seat frame, comprising a front panel 1, a rear panel 2, and two side panels 3 arranged on the left and right sides between the front panel 1 and the rear panel 2. The front panel 1, the rear panel 2, and the two side panels 3 are all made by blow molding / extrusion molding process. The left and right ends of the front panel 1 are respectively connected to the front ends of the two side panels 3 by angle codes, and the left and right ends of the rear panel 2 are respectively connected to the rear ends of the two side panels 3 by angle codes. The inner sides of the front panel 1, the rear panel 2, and the two side panels 3 are all provided with connecting iron frames 4 for plugging with the armrest inserts and buckling with the seat frame hooks. By setting the connecting iron frames 4 on the inner sides of the front panel 1, the rear panel 2, and the two side panels 3, the sofa seat frame of the utility model can freely assemble the armrests and the sofa seat frame in four directions, front, back, left, and right. When it is necessary to splice the armrests in one direction of the sofa seat frame, the armrest inserts fixed on the armrests are plugged into the connecting iron frames 4 in that direction, and the sofa seat frame and the armrests can be quickly spliced together. When the sofa seat frame needs to be spliced with another sofa seat frame in one direction, the two sofa seat frames are first placed side by side and close together, and then two adjacent connecting iron frames 4 of the two sofa seat frames are buckled together through a seat frame hook, so that the two sofa seat frames can be quickly spliced together.
[0036] The new modular sofa seat frame provided by the utility model is made of a front panel 1, a rear panel 2 and two side panels 3 by a blow molding / extrusion molding process, which reduces the difficulty of production, broadens the structural design of the sofa seat frame, and has more diverse design styles than wood. It can be quickly made by a mold, which increases production efficiency. The seat frame can be quickly spliced together by corner codes without glue bonding. At the same time, by setting a connecting iron frame 4 on the inner sides of the front panel 1, the rear panel 2 and the two side panels 3, the sofa seat frame and the armrests or two sofa seat frames can be quickly spliced together in four directions of front, back, left and right, so that the sofa using the new modular sofa seat frame has the function of free combination, and consumers can freely combine and arrange the sofas according to the internal space structure of the house.
[0037] See also Figure 1 In one embodiment, the tops of the left and right ends of the front panel 1 are connected to the tops of the front ends of the two side panels 3 through the upper corner brackets 5, the bottoms of the left and right ends of the front panel 1 are connected to the bottoms of the front ends of the two side panels 3 through the lower corner brackets 6, the tops of the left and right ends of the rear panel 2 are connected to the tops of the rear ends of the two side panels 3 through the upper corner brackets 5, and the bottoms of the left and right ends of the rear panel 2 are connected to the bottoms of the rear ends of the two side panels 3 through the lower corner brackets 6. The above-mentioned upper corner brackets 5 and lower corner brackets 6 can form a more uniform force structure, reduce stress concentration at the connection, and make the connection between the front panel 1, the rear panel 2 and the side panels 3 more stable, thereby improving the stability of the overall structure.
[0038] See also Figures 2 to 4Specifically, a plurality of first screw holes 101 are provided at the upper portions of both ends of the front panel 1, the rear panel 2 and the two side panels 3, a plurality of second screw holes 102 are provided at the lower portions of both ends of the front panel 1, the rear panel 2 and the two side panels 3, a plurality of third screw holes 501 matching with the first screw holes 101 are provided on the two right-angled sides of the upper corner bracket 5, and a plurality of fourth screw holes 601 matching with the second screw holes 102 are provided on the two right-angled sides of the lower corner bracket 6. The third screw holes 501 on the upper corner bracket 5 are matched with the first screw holes 101 on the front panel 1, the rear panel 2 and the two side panels 3 by screws, so that the upper corner bracket 5 can be quickly fixed to the front panel 1, the rear panel 2 and the two side panels 3; the fourth screw holes 601 on the lower corner bracket 6 are matched with the second screw holes 102 on the front panel 1, the rear panel 2 and the two side panels 3 by screws, so that the lower corner bracket 6 can be quickly fixed to the front panel 1, the rear panel 2 and the two side panels 3
[0039] In one embodiment, a fixing nut is pre-embedded at a position corresponding to each of the first screw hole 101 and the second screw hole 102 on the front panel 1, the rear panel 2 and the two side panels 3. After the screw passes through the first screw hole 101 and the second screw hole 102, it is connected to the fixing nut pre-embedded inside, thereby fixing the upper angle code 5 and the lower angle code 6. The fixing nut can provide a more stable connection point, especially in applications that need to withstand greater force or vibration, the threaded cooperation between the fixing nut and the screw can provide stronger pulling force and shearing force.
[0040] See also Figure 1 In one embodiment, the novel modular sofa seat frame further comprises a spring seat frame 7, which is fixed on the bottom plate of the upper angle bracket 5. The upper angle bracket 5 not only makes the connection between the front plate 1, the rear plate 2 and the side plate 3 more stable, but also plays the role of supporting and fixing the spring seat frame 7. The addition of the spring seat frame 7 enables the sofa seat frame to have a certain elasticity and buffering effect when subjected to pressure, providing a more comfortable sitting feeling for the user.
[0041] See also Figures 3 to 5 Specifically, a plurality of fifth screw holes 502 are provided on the bottom plate of the upper angle bracket 5, and a plurality of sixth screw holes 701 are provided at the four corners of the spring seat frame 7 to match the fifth screw holes 502. The fifth screw holes 502 on the upper angle bracket 5 and the sixth screw holes 701 on the spring seat frame 7 are matched with screws, so that the spring seat frame 7 can be quickly fixed on the upper angle bracket 5.
[0042] See also Figure 4 In one embodiment, a plurality of seventh screw holes 602 for fixing the plastic feet are provided on the bottom plate of the lower corner bracket 6. Through the cooperation of the screws with the seventh screw holes 602, the plastic feet can be quickly installed on the lower corner bracket 6 of the sofa seat frame without complicated operation tools or steps. At the same time, if the plastic feet need to be replaced or removed, it can also be easily achieved by unscrewing the screws, which is convenient and quick.
[0043] See also Figure 6 In one embodiment, the connecting iron frame 4 includes a fixing plate 401 for fixing with the side plate 3 and a plurality of hooking pieces 402 arranged side by side on one side of the fixing plate 401 for matching with the seat frame hook, and the hooking piece 402 and the fixing plate 401 form a plug-in slot 403 for inserting the armrest insert. The connecting iron frame 4 makes the connection between the sofa armrest and the sofa seat frame simple and quick by setting the fixing plate 401, the hooking piece 402 and the plug-in slot 403; the sofa seat frame and the sofa armrest can be spliced together by inserting the armrest insert on the sofa armrest into the plug-in slot 403, and the two sofa seat frames can be spliced together by connecting the adjacent hooking pieces 402 of the two sofa seat frames through the seat frame hook. It is also convenient to disassemble, which improves the flexibility and reusability of the furniture.
[0044] See also Figure 2 , Figure 6 In one embodiment, the inner upper parts of the front plate 1, the rear plate 2 and the two side plates 3 are all provided with a plurality of eighth screw holes 103, and the fixing plate 401 is provided with a plurality of ninth screw holes 4011 that match the eighth screw holes 103. The eighth screw holes 103 on the front plate 1, the rear plate 2 and the two side plates 3 are matched with the ninth screw holes 4011 on the fixing plate 401 by screws, so that the connecting iron frame 4 can be quickly fixed to the inner sides of the front plate 1, the rear plate 2 and the two side plates 3.
[0045] In one embodiment, a fixing nut is pre-embedded at a position corresponding to each eighth screw hole 103 on the front plate 1, the rear plate 2 and the two side plates 3. After the screw passes through the eighth screw hole 103, it is connected with the fixing nut pre-embedded inside, thereby fixing the iron frame 4. The fixing nut can provide a more stable connection point, especially in applications that need to withstand greater force or vibration, the thread cooperation between the fixing nut and the screw can provide stronger pulling force and shearing force.
[0046] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.
[0047] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A novel modular sofa seat frame, comprising a front plate, a rear plate and two side plates arranged on the left and right sides between the front plate and the rear plate, characterized in that: The front panel, the rear panel and the two side panels are all made of blow molding / extrusion technology. The left and right ends of the front panel are respectively connected to the front ends of the two side panels through angle brackets, and the left and right ends of the rear panel are respectively connected to the rear ends of the two side panels through angle brackets. The inner sides of the front panel, the rear panel and the two side panels are provided with connecting iron frames for plugging with the armrest inserts and buckling with the seat frame buckles.
2. The new modular sofa seat frame according to claim 1 is characterized in that: The left and right top ends of the front panel are connected to the front end tops of the two side panels through upper corner brackets, the left and right bottom ends of the front panel are connected to the front end bottoms of the two side panels through lower corner brackets, the left and right top ends of the rear panel are connected to the rear end tops of the two side panels through upper corner brackets, and the left and right bottom ends of the rear panel are connected to the rear end bottoms of the two side panels through lower corner brackets.
3. The new modular sofa seat frame according to claim 2 is characterized in that: A plurality of first screw holes are provided at the upper portions of both ends of the front plate, the rear plate and the two side plates, a plurality of second screw holes are provided at the lower portions of both ends of the front plate, the rear plate and the two side plates, a plurality of third screw holes matching with the first screw holes are provided on the two right-angled sides of the upper corner bracket, and a plurality of fourth screw holes matching with the second screw holes are provided on the two right-angled sides of the lower corner bracket.
4. The new modular sofa seat frame according to claim 3 is characterized in that: A fixing nut is pre-embedded at a position corresponding to each of the first screw hole and the second screw hole on the front plate, the rear plate and the two side plates.
5. The new modular sofa seat frame according to claim 2 is characterized in that: The novel modular sofa seat frame also includes a spring seat frame, and the spring seat frame is fixed on the bottom plate of the upper corner bracket.
6. The new modular sofa seat frame according to claim 5 is characterized in that: A plurality of fifth screw holes are provided on the bottom plate of the upper angle code, and a plurality of sixth screw holes matching with the fifth screw holes are provided on the four corners of the spring seat frame.
7. The new modular sofa seat frame according to claim 2 is characterized in that: A plurality of seventh screw holes for fixing the plastic feet are provided on the bottom plate of the lower angle bracket.
8. The new modular sofa seat frame according to claim 1 is characterized in that: The connecting iron frame includes a fixing plate for fixing with the side plate and a plurality of hanging parts arranged side by side on one side of the fixing plate for cooperating with the seat frame hooks, and the hanging parts and the fixing plate form a plug-in groove for inserting the armrest insert.
9. The new modular sofa seat frame according to claim 8, characterized in that: The front plate, the rear plate and the inner upper parts of the two side plates are all provided with a plurality of eighth screw holes, and the fixing plate is provided with a plurality of ninth screw holes matched with the eighth screw holes.
10. The new modular sofa seat frame according to claim 9 is characterized in that: A fixing nut is pre-embedded at a position corresponding to each of the eighth screw holes on the front plate, the rear plate and the two side plates.