Base structure and seat

Abstract

The utility model provides a base structure and a seat. The base structure comprises a front plate, a rear plate and a pair of side plates; each side plate comprises a front area, a middle area and a rear area, the upper edge of the middle area obliquely extends downwards from front to back, and the rear area protrudes upwards relative to the middle area; a first mounting part is arranged at the adjoining part of the front area and the middle area, and a second mounting part is arranged in the rear area. Therefore, the side plate is divided into three areas, and the first mounting part and the second mounting part are arranged in the two areas, so that the mounting areas on the side plate are reasonable in layout and high in structural stability.

Description

Technical Field

[0001] This application relates to the technical field of furniture, and particularly to a base structure and a seating furniture. Background Art

[0002] With the increasing improvement of people's living standards, many different types of seating furniture have emerged in the market. Seating furniture can include sofas, chairs, stools, or multi-functional chairs and other furniture for people to rest. The regional layout on the side plates of existing seating furniture is unreasonable, which leads to a complex assembly structure on the side plates, affects the structural stability of the seating furniture, and cannot guarantee the overall structural strength of the side plates.

[0003] Therefore, it is necessary to design a furniture base to solve the above technical problems. Utility Model Content

[0004] This application provides a base structure and a seating furniture with a reasonable installation area layout and strong structural stability.

[0005] According to the first aspect of the embodiments of this specification, a base structure is provided, including a front plate, a rear plate, and a pair of side plates; each of the side plates includes a front region, a middle region, and a rear region; the upper edge of the middle region extends obliquely downward from front to back, and the rear region protrudes upward relative to the middle region; a first installation portion is provided at the adjacent position of the front region and the middle region, and a second installation portion is provided at the rear region.

[0006] Further, the inclination angle of the upper edge of the middle region is 0° to 20°; the upper edge of the front region is horizontally arranged; the height of the rear region exceeds that of the front region.

[0007] Further, a concave avoidance portion is provided at the upper part of the rear region and is in an arc shape.

[0008] Further, weight reduction holes are provided in the middle parts of the front region and the rear region; a plurality of weight reduction holes are provided in the middle region, and the plurality of weight reduction holes are arranged in a row from front to back and are obliquely downward, and the plurality of weight reduction holes are located in the middle of the middle region.

[0009] Further, the weight reduction holes are recessed from the inner and outer surfaces of the side plates.

[0010] Further, a front installation portion is provided at the front end of the front region, and the front installation portion includes an installation hole penetrating the side plate and a front convex package; a hook is provided on the front plate, and the hook is hung on the front convex package.

[0011] Further, a rear installation portion is provided at the rear region, and the rear installation portion includes an installation hole penetrating the side plate and a rear convex package; a hook is provided on the rear plate, and the hook is hung on the rear convex package.

[0012] Further, notches are respectively provided at the bottoms of the first mounting portion and the second mounting portion, and a foot bracket is mounted at the notches. The foot bracket includes a bottom plate in contact with the notches and a pair of vertical plates extending upward from the bottom plate and clamping the side plate; feet are assembled on the bottom plate.

[0013] Further, guide chutes are provided along the vertical direction on the outer sides of the first mounting portion and the second mounting portion, and a seat frame buckle is assembled between the guide chutes and the vertical plates.

[0014] Further, a seat frame connecting member is provided on the vertical plate arranged inside the second mounting portion. The seat frame connecting member is integrally provided with the vertical plate and extends upward from the vertical plate; a seat frame connecting member mounting hole penetrating through the side plate is provided in the guide chute arranged at the rear side of the side plate.

[0015] Further, an armrest mounting hole penetrating through the side plate is also provided in the guide chute.

[0016] Further, a notch for the rear plate to be mounted from top to bottom is provided at the rear end of the rear portion area, and a limiting portion inclined downward from front to back is provided at the bottom of the notch.

[0017] Further, the base structure further includes a rear beam. Fixing holes are provided at both ends of the rear beam, and a recessed portion for accommodating the end portion of the rear beam is provided inside the rear portion area; a mounting hole penetrating through the side plate is provided in the recessed portion, and the mounting hole communicates with the fixing hole and is fixed by screws.

[0018] Further, the front end of the vertical plate arranged on the outer side of the side plate extends upward and is provided with a mounting hole, and the mounting hole communicates with the fixing hole and is fixed by screws.

[0019] According to the second aspect of the embodiments of the present specification, a seat is provided, including the base structure described in the first aspect above.

[0020] The present application has the following beneficial effects: The side plate is sequentially divided into a front portion area, a middle portion area, and a rear portion area. And a first mounting portion is provided at the adjacent position of the front portion area and the middle portion area, and a second mounting portion is provided in the rear portion area. In this way, the mounting area layout on the side plate is reasonable and the structural stability is strong.

[0021] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings here are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present specification, and are used together with the specification to explain the principles of the present specification.

[0023] Figure 1 is a schematic diagram of the base structure of the present application;

[0024] Figure 2 is an inner side schematic diagram of an embodiment of the side plate of the present application;

[0025] Figure 3 is an outer side schematic diagram of the side plate of the present application;

[0026] Figure 4 is Figure 3 a cross-sectional view at position A in

[0027] Figure 5 is a side view of the rear beam of the present application;

[0028] Figure 6 is a schematic diagram of the structure of the foot bracket of the present application;

[0029] Figure 7 is a side view of the front plate of the present application;

[0030] Figure 8 is a side view of the rear plate of the present application;

[0031] Figure 9 is a side view of another embodiment of the side plate of the present application;

[0032] Figure 10 is a side view of another embodiment of the rear plate of the present application.

[0033] Explanation of reference numerals:

[0034] 100 - Front area; 200 - Middle area; 300 - Rear area;

[0035] 10 - Front plate; 11 - Hook;

[0036] 20 - Rear plate; 21 - Hook; 22 - Partition; 23 - Cavity; 24 - Tubular part; 241 - Mounting hole; 242 - Long notch;

[0037] 30 - Side plate; 31 - First mounting part; 311 - Notch; 312 - Guide chute; 313 - Armrest mounting hole; 32 - Second mounting part; 321 - Seat frame connecting part mounting hole; 33 - Avoidance part; 34 - Weight reduction hole; 35 - Notch; 351 - Limiting part; 36 - Depression; 361 - Mounting hole; 371 - Mounting hole; 372 - Front convex bulge; 381 - Mounting hole; 382 - Rear convex bulge;

[0038] 40 - Rear beam; 41 - Fixing hole;

[0039] 50 - Foot bracket; 51 - Vertical plate; 511 - Through hole; 52 - Bottom plate;

[0040] 60 - Leg;

[0041] 70 - Seat frame buckle;

[0042] 80 - Seat frame connecting member. Detailed implementation manners

[0043] Here, in conjunction with the accompanying drawings, the technical solutions in the embodiments (or "implementation manners") of the present application will be clearly and completely described. When the following description involves the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0044] If there are terms related to directional indications or positional relationships in the embodiments of the present application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movement conditions between components in a specific posture (as shown in the accompanying drawings); if this specific posture changes, then the directional indication or positional relationship also changes accordingly. In addition, the terms "first", "second", etc. involved in the embodiments of the present application are only for the purpose of convenient description and cannot be understood as indicating or implying relative importance.

[0045] Next, the embodiments of this specification will be described in detail.

[0046] Referring to Figure 1 As shown, the present application discloses a base structure, which includes a front plate 10, a rear plate 20 and a pair of side plates 30. The front plate 10, the rear plate 20 and the pair of side plates 30 are assembled together to form the base structure. For example, they are assembled by means such as screws and plug - in for easy disassembly. Among them, the front plate 10, the side plates 30 and the rear plate 20 can be made by injection molding, extrusion molding or blow molding.

[0047] Referring to Figures 2 - 4 As shown, each side plate 30 includes a front region 100, a middle region 200 and a rear region 300, Figure 2 , Figure 3 and Figure 9 in which each region is separated by a dashed line. The upper edge of the middle region 200 extends obliquely downward from front to back, and the rear region 300 protrudes upward relative to the middle region 200. A first mounting portion 31 is provided at the adjacent position of the front region 100 and the middle region 200, and a second mounting portion 32 is provided in the rear region 300. In this way, the layout of the mounting areas on the side plate 30 is reasonable and the structural stability is strong.

[0048] Referring to Figure 3As shown, the upper edge of the middle region 200 is inclined and forms an angle with the horizontal plane, and the angle range of the angle is from 0° to 20°. In this way, the height of the middle region 200 matches that of the sponge, so that when the user sits on the base structure, they will not slide out, and the safety is high. In addition, the upper edge of the front region 100 is horizontally arranged, and the height of the rear region 300 exceeds that of the front region 100.

[0049] An avoidance portion 33 with an arc-shaped concave is provided at the upper part of the rear region 300. In this way, the motor above the avoidance portion 33 can perform relative movement around the avoidance portion 33 without colliding and interfering with the side plate 30.

[0050] A weight-reducing hole 34 is provided in the middle of each of the front region 100 and the rear region 300. A plurality of weight-reducing holes 34 are provided in the middle region 200, and the plurality of weight-reducing holes 34 in the middle region 200 are arranged in a row from front to back and extend obliquely downward, and are located in the middle of the middle region 200. In this way, the weight of the side plate 30 is reduced, and at the same time, the force on the side plate 30 can be strengthened. In this embodiment, the weight-reducing holes 34 are recessed from the inner and outer surfaces of the side plate 30 and are symmetrically arranged.

[0051] A front mounting portion is provided at the front end of the front region 100, and a rear mounting portion is provided at the rear end of the rear region 300 for mounting the front plate 10 and the rear plate 20 on the side plate 30.

[0052] Refer to Figure 2 and Figures 7 - 8 As shown, the front mounting portion includes mounting holes 371 penetrating the side plate 30 and front convex protrusions 372, and a plurality of mounting holes 371 are arranged vertically. Hooks 11 are provided on the front plate 10, and the hooks 11 are hung on the front convex protrusions 372. The rear mounting portion includes mounting holes 381 penetrating the side plate 30 and rear convex protrusions 382, and hooks 21 are provided on the rear plate 20, and the hooks 21 are hung on the rear convex protrusions 382, and a plurality of mounting holes 381 are arranged vertically. In this way, the alignment is first performed through the front convex protrusions 372 and the rear convex protrusions 382 before screwing to ensure the reliability of the installation position.

[0053] The hook 11 is in an inverted L shape and extends backward from the front plate 10 and then bends downward. The hook 21 is in an inverted L shape and extends forward from the rear plate 20 and then bends downward.

[0054] Notches 311 and foot brackets 50 are respectively provided at the bottoms of the first mounting portion 31 and the second mounting portion 32. Refer to Figure 6As shown, the footrest 50 includes a bottom plate 52 that contacts the notch 311 and a pair of vertical plates 51 that extend upward from the bottom plate 52 and clamp the side plate 30. A foot 60 is assembled on the bottom plate 52. In this way, the side plate 30 and the foot 60 are fixed together by the footrest 50, increasing the stability and durability of the entire seat. In addition, the footrest 50 acts as an insulator between the foot 60 and the side plate 30, protecting the plastic parts from damage due to stress.

[0055] On the outer sides of the first mounting portion 31 and the second mounting portion 32, guide chutes 312 are provided in the vertical direction. A seat frame buckle 70 is assembled between the guide chutes 312 and the vertical plates 51. In this way, through the combination of the seat frame buckle 70 and the seat frame buckle 70, the two base structures can be assembled together, achieving modular splicing, which is convenient for assembly and has high flexibility.

[0056] The base structure further includes a seat frame connecting member 80, which is disposed inside the second mounting portion 32. The seat frame connecting member 80 is integrally provided with the vertical plate 51 and extends upward from the vertical plate 51. A seat frame connecting member mounting hole 321 that penetrates the side plate 30 is provided in the guide chute 312. In this way, the stability of the backrest assembly when mounted on the seat frame connecting member 80 is ensured. The seat frame connecting member 80, the footrest 50, and the seat frame buckle 70 are all made of metal.

[0057] An armrest mounting hole 313 that penetrates the side plate 30 is also provided in the guide chute 312. In this way, different armrests can be selectively installed through the armrest mounting hole 313, realizing the diversification of the seat.

[0058] The rear plate 20 is a hollow structure and is internally provided with a plurality of parallel partitions 22. A plurality of cavities 23 are formed between the plurality of partitions 22. In this way, through the cavities 23, not only the overall weight of the rear plate 20 is reduced, but also the strength and stiffness of the rear plate 20 can be ensured.

[0059] The rear plate 20 is provided with a plurality of tubular portions 24 disposed in the cavities 23. An installation hole 241 is formed in the tubular portion 24. The tubular portion 24 is disposed on the front side of the partition 22 and extends from the left side to the right side of the rear plate 20. A long notch 242 is provided on the tubular portion 24. The installation hole 241 is assembled to the two side plates 30 by screws.

[0060] Refer to Figure 2 and Figure 5 As shown, the base structure further includes a rear beam 40. Fixing holes 41 are provided at both ends of the rear beam 40. A recess 36 for accommodating the end portion of the rear beam 40 is provided inside the rear portion area 300. An installation hole 361 that penetrates the side plate 30 is provided in the recess 36. The installation hole 361 communicates with the fixing hole 41 and is fixed by screws. In this way, the position of the rear beam 40 in the side plate 30 is positioned through the recess 36, and then the assembly is achieved through the installation hole 361 and the fixing hole 41.

[0061] The front end of the vertical plate 51 extends upward and is provided with a through hole 511, which is connected to the fixing hole 41 and fixed by a screw. In this way, the vertical plate 51, the side plate 30 and the rear beam 40 are fixed to each other by a screw, which strengthens the connection between the components and improves the stability of the overall structure.

[0062] In another embodiment, please refer to Figures 9 - 10 As shown, the rear end of the rear region 300 is provided with a slot 35 for the rear plate 20 to be installed from top to bottom, and the bottom of the slot 35 is provided with a stopper 351 that is inclined downward from front to back. In this way, the rear plate 20 is installed through the slot 35, and the stopper 351 at the bottom provides a stopper to ensure that the threaded holes can be aligned when the two are assembled.

[0063] The rear panel 20 is a hollow structure and has a plurality of parallel partitions 22 disposed therein. A plurality of cavities 23 are formed between the plurality of partitions 22, and two cavities 23 are formed side by side on the same layer. In this way, the cavities 23 not only reduce the overall weight of the rear panel 20, but also ensure the strength and rigidity of the rear panel 20.

[0064] The rear panel 20 is provided with a plurality of tubular portions 24 disposed in the cavity 23, and a mounting hole 241 is formed in the tubular portion 24. The tubular portion 24 extends from the left side to the right side of the rear panel 20, and a long notch 242 is provided on the tubular portion 24. The mounting hole 241 is assembled to the two side panels 30 by screws.

[0065] The present application also discloses a seat, comprising the above-mentioned base structure, wherein the side panel 30 of the above-mentioned seat is sequentially divided into a front area 100, a middle area 200 and a rear area 300. A first mounting portion 31 is provided at the junction of the front area 100 and the middle area 200, and a second mounting portion 32 is provided in the rear area 300. In this way, the mounting area layout on the side panel 30 is reasonable and the structural stability is strong.

[0066] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without causing conflicts. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the drawings; all modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application should be included in the scope of protection of this application.

Claims

1. A base structure, characterized in that: It includes a front plate, a rear plate and a pair of side plates; each of the side plates includes a front area, a middle area and a rear area; the upper edge of the middle area extends downwardly from front to back, and the rear area protrudes upward relative to the middle area; a first mounting portion is provided at the junction of the front area and the middle area, and a second mounting portion is provided in the rear area.

2. The base structure according to claim 1, characterized in that: The upper edge of the middle area is inclined at an angle of 0° to 20°; the upper edge of the front area is arranged horizontally; and the height of the rear area exceeds that of the front area.

3. The base structure according to claim 1, characterized in that: An arc-shaped concave avoidance portion is provided on the upper portion of the rear area.

4. The base structure according to claim 1, characterized in that: The front area and the middle of the rear area are provided with weight-reducing holes; the middle area is provided with a plurality of weight-reducing holes, which are arranged in a row from front to back and tilted downward, and are located in the middle of the middle area.

5. The base structure according to claim 4, characterized in that: The weight-reducing holes are recessed from the inner and outer surfaces of the side plates.

6. The base structure according to claim 1, characterized in that: The front area is provided with a front mounting portion, and the front mounting portion includes a mounting hole penetrating the side plate and a front convex bump; a hook is provided on the front plate, and the hook is hung on the front convex bump.

7. The base structure according to claim 1, characterized in that: The rear area is provided with a rear mounting portion, and the rear mounting portion includes a mounting hole penetrating the side plate and a rear convex bump; the rear plate is provided with a hook, and the hook is hung on the rear convex bump.

8. The base structure according to claim 1, characterized in that: The bottoms of the first mounting portion and the second mounting portion are respectively provided with notches, and foot brackets are installed at the notches. The foot brackets include a bottom plate in contact with the notches and a pair of vertical plates extending upward from the bottom plate and clamping the side plates; the bottom plate is assembled with supporting feet.

9. The base structure according to claim 8, characterized in that: The outer sides of the first mounting portion and the second mounting portion are provided with guide slide grooves in the vertical direction, and a seat frame buckle is assembled between the guide slide groove and the vertical plate.

10. The base structure according to claim 9, characterized in that: A seat frame connector is provided on the vertical plate disposed on the inner side of the second mounting portion. The seat frame connector is integrally arranged with the vertical plate and extends upward from the vertical plate. A seat frame connector mounting hole penetrating the side plate is provided in the guide slot.

11. The base structure according to claim 9, characterized in that: The guide slide groove is also provided with a handrail mounting hole which passes through the side plate.

12. The base structure according to claim 1, characterized in that: A notch for the rear plate to be installed from top to bottom is provided at the rear end of the rear area, and a limiting portion inclined downward from front to back is provided at the bottom of the notch.

13. The base structure according to claim 8, characterized in that: The base structure also includes a rear beam, with fixing holes at both ends of the rear beam, and a recessed portion for accommodating the end of the rear beam is provided inside the rear area; a mounting hole penetrating the side plate is provided in the recessed portion, and the mounting hole is connected to the fixing hole and fixed by screws.

14. The base structure according to claim 13, characterized in that: The pair of vertical plates are provided with through holes, which are communicated with the fixing holes and fixed by screws.

15. A seat, characterized in that: The base structure comprises the base structure described in any one of claims 1 to 14.

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