Novel sofa seat bag structure

Abstract

A novel sofa seat bag structure comprises a seat frame, a sponge cushion and an outer wrapping layer, the seat frame and the sponge cushion are wrapped by the outer wrapping layer, and the novel sofa seat bag structure is characterized in that an installation seat is arranged in the seat frame, a spring bag is installed on the installation seat, the spring bag is composed of a plurality of springs which are elastically supported upwards, and the sponge cushion is arranged on the spring bag. The deformation of a serpentine spring supporting structure after long-term use, the sinking phenomenon of the sofa seat bag caused by the large reduction of the elastic force of the serpentine spring, and the abnormal sound phenomenon caused by the loosening of the seat frame caused by the long-term tension of the serpentine spring are effectively avoided; the spring bag and the sponge cushion form an elastic supporting structure which is stronger for a human body, the comfort is stronger, and the elastic supporting structure formed by the spring bag is longer in service life and simpler in overall installation structure because the spring which is elastically supported upwards does not have the condition of excessive stretching.

Description

Technical Field

[0001] The utility model relates to the field of furniture, in particular to a structure of a novel sofa seat cushion in the field of furniture. Background Art

[0002] The sofa is a common furniture product and also the furniture product with the highest usage frequency in home life. The comfort of the sofa structure directly affects the quality of people's home life. The sofa seat cushion includes a seat frame, a sponge pad and an outer wrapping layer. In order to achieve a stronger and more comfortable elastic support effect on the human body.

[0003] At present, most of the structures of sofa seat cushions are formed by parallelly installing multiple serpentine springs in the seat frame, and by setting the sponge pad on the serpentine springs, so as to form a stronger and more comfortable elastic support structure for the seat cushion on the human body. Since the pressure of the human body on the sofa seat cushion is in the downward direction from top to bottom, and the serpentine spring is installed in a horizontal direction by installing its two ends on the seat frame, when the human body generates a long-term downward pressure on it, or when the pressure generated by the human body on it is too large, it will cause long-term downward stretching or excessive downward stretching of the serpentine spring, resulting in deformation, thereby reducing the elasticity of the sofa seat cushion and affecting the use comfort; the long-term tensile force of the serpentine spring on the seat frame in the horizontal direction will, over time, also cause the loosening or deformation of the seat frame, thereby generating abnormal noises. For example, a sofa support frame given in Chinese patent document CN220777908U is to solve the above problems existing in the sofa made of traditional serpentine springs. It can be seen that there are technical problems that need to be further solved in the sofa made of serpentine springs; furthermore, different specifications of sofa seat cushions need to install serpentine springs of different lengths and different quantities. The installation of serpentine springs has relatively high technical requirements for technicians. The installation stability of the two ends of the serpentine spring and the uniform distribution during installation directly affect the quality of the sofa seat cushion. Therefore, it cannot be produced standardized and has a strong dependence on experienced technicians, resulting in relatively high labor costs for enterprises. For example, a sofa given in Chinese patent document CN217337960U is to solve the problem of the installation stability of the spring (i.e., the above-mentioned serpentine spring). It can be seen that there are technical problems that need to be further solved in the installation process of the serpentine spring. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a structure of a novel sofa seat cushion in view of the defects and deficiencies of the prior art, cancel the traditional serpentine spring support structure, and form an elastic support structure for the human body through a vertically supported spring pack and a sponge pad. Its elastic support has greater elasticity, stronger comfort, a longer service life of the elastic support structure, the sofa seat frame is not likely to generate abnormal noises, the spring pack can be produced standardized, and the overall installation structure is simpler.

[0005] The structure of a new type of sofa seat cushion described in the present utility model includes a seat frame, a sponge pad, and an outer wrapping layer. The seat frame and the sponge pad are sealed by the outer wrapping layer. It is characterized in that: an installation seat is arranged inside the seat frame, a spring package is installed on the installation seat, the spring package is composed of a plurality of springs that elastically support upward, and the sponge pad is arranged on top of the spring package.

[0006] In the present utility model, the spring package is composed of a plurality of spring bags, upwardly elastically supporting springs are wrapped inside the spring bags, and the spring bags are fixedly connected to each other.

[0007] In the present utility model, the spring bags are arranged in a regular pattern.

[0008] In the present utility model, a support cross beam is installed at the bottom of the seat frame, and the installation seat is installed on the support cross beam.

[0009] In the present utility model, a shaping frame is installed around the spring package.

[0010] In the present utility model, the four sides of the shaping frame are connected to the seat frame through tension springs.

[0011] In the present utility model, an elastic tension belt is horizontally arranged above the tension springs on the seat frame.

[0012] After adopting the above structure, the beneficial effects of the present utility model are as follows: for the structure of a new type of sofa seat cushion described in the present utility model, an installation seat is arranged inside the seat frame, a spring package is installed on the installation seat, the spring package is composed of a plurality of springs that elastically support upward, and the sponge pad is arranged on top of the spring package. The traditional serpentine spring support structure is cancelled, effectively avoiding the deformation that occurs after long-term use of the serpentine spring support structure, the depression phenomenon of the sofa seat cushion caused by the large reduction in the elastic force of the serpentine spring, and the abnormal noise phenomenon caused by the loosening of the seat frame due to the long-term tension of the serpentine spring. Through the upward elastic support structure of the plurality of springs in the spring package, the spring package and the sponge pad form a stronger elastic support structure for the human body, with stronger comfort. Since the springs that elastically support upward do not have the situation of excessive stretching, the elastic support structure formed by the spring package has a longer service life. The spring package can be produced in a standardized manner, and standardized components can be reserved during production. The technical requirements for installers during the installation process are relatively low, and regular production personnel can complete the installation. The overall installation structure is simpler. Description of the Drawings

[0013] The drawings described herein are used to provide a further understanding of the present utility model, form a part of this application, but do not constitute an improper limitation to the present utility model. In the drawings:

[0014] Figure 1 is the exploded structure schematic diagram of the present utility model;

[0015] Figure 2 It is a schematic diagram of the combined structure of the spring package and the seat frame in the present utility model;

[0016] Figure 3 It is a schematic diagram of the seat frame structure in the present utility model;

[0017] Figure 4 It is a schematic diagram of the spring package structure in the present utility model;

[0018] Figure 5 It is a schematic diagram of the spring bag structure in the present utility model.

[0019] Explanation of reference numerals:

[0020] 1 - seat frame; 2 - sponge pad; 3 - outer wrapping layer; 11 - mounting seat; 12 - spring package; 12a - spring bag; 12b - spring; 12c - shaping frame; 13 - support cross beam; 14 - tension spring; 15 - elastic tension belt. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Refer to Figures 1-5 The structure of a new type of sofa seat cushion includes a seat frame, a sponge pad, and an outer wrapping layer. The seat frame and the sponge pad are sealed by the outer wrapping layer. Generally, the outer wrapping layer is made of leather shoes or fabric materials. A mounting seat is provided inside the seat frame. Generally, the seat frame is made of wood materials. The spring package is installed on the mounting seat. The spring package can be installed on the mounting seat through fixing parts. The spring package is composed of multiple springs that elastically support upward. The spring package adopts an upward elastic support structure. Compared with the traditional elastic support structure of horizontally installing serpentine springs on the frame, it effectively avoids the deformation phenomenon that occurs after long-term use of the horizontally installed serpentine spring support structure, and the loosening of the seat frame caused by the long-term tension of the serpentine spring, resulting in abnormal noise. Through the upward elastic support structure of the multiple springs in the spring package, the spring package and the sponge pad form an elastic support structure for the human body, with stronger upward elastic support force. After a person sits on it, the comfort is stronger. Since the springs with upward elastic support do not have the situation of excessive stretching, the elastic support structure formed by the spring package has a longer service life. The sponge pad is arranged on top of the spring package.

[0023] In the present utility model, the spring package is composed of multiple spring bags. Each spring bag contains a spring that provides upward elastic support. The springs in each spring bag form independent upward elastic support structures, which provide a better elastic support effect for the human body. The spring bags are fixedly connected to each other. The spring bags can be adhesively fixed to each other through glue. The structure of the spring bags makes each spring an independent elastic support unit, and there is no direct contact between the springs, thus avoiding the abnormal noise generated by mutual friction between the springs.

[0024] In the present utility model, the spring bags are arranged regularly. When the seat cushion of the sofa is square, the spring bags can be regularly arranged in a square shape. When the seat cushion of the sofa is circular, the spring bags can be regularly arranged in a circular shape.

[0025] In the present utility model, a support crossbeam is installed at the bottom of the seat frame. The mounting seat is installed on the support crossbeam. The support crossbeam forms a mounting structure for the mounting seat and the spring package on the seat frame. There is a certain distance between the mounting seat and the inner wall of the seat frame. Compared with the structure of installing a sealing plate at the bottom of the entire seat frame, on the one hand, it can reduce the material cost, and on the other hand, it can ensure the air circulation inside the seat frame, improve the breathability of the sofa seat cushion, and also prevent the phenomenon of moisture inside the seat frame.

[0026] In the present utility model, a shaping frame is installed around the spring package. The shaping frame forms a further stable installation for the spring package.

[0027] In the present utility model, the four sides of the shaping frame are connected to the seat frame through tension springs. Horizontally arranged elastic straps are provided above the tension springs on the seat frame. This structure forms a further stable installation of the spring package on the mounting seat. At the same time, it provides a certain spring support force at the gap between the spring package and the seat frame, preventing the sponge pad from sagging downward at the gap between the spring package and the seat frame.

[0028] In the present utility model, the spring package can be produced and stocked as a standard part. When making sofa seat cushions of different specifications, production personnel only need to install the spring package of the corresponding specification on the mounting seat of the seat frame. The technical requirements for the installation personnel during the installation process are relatively low, and regular production personnel can complete the installation without relying on highly experienced technical personnel. The overall installation structure is simpler. The spring package composed of multiple springs providing upward elastic support forms an upward elastic support structure, which has a stronger elastic support force for the human body and the elastic support force is more evenly distributed. Compared with the elastic support structure formed by traditional serpentine springs, for the structure of the sofa seat cushion of the present utility model, when a person sits on it, the comfort is stronger. Since the springs providing upward elastic support are not overstretched, the service life of the elastic support structure of the spring package is longer. The traditional serpentine springs are cancelled, and the seat frame does not have the long-term lateral tension of the serpentine springs, so the structure of the seat frame is more stable and not prone to loosening and generating abnormal noises.

[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A new sofa seat structure, comprising a seat frame, a sponge pad, and an outer layer, wherein the seat frame and the sponge pad are enclosed by the outer layer, characterized in that: A mounting seat is arranged in the seat frame, a spring bag is installed on the mounting seat, the spring bag is composed of a plurality of springs elastically supporting upwards, and the sponge pad is arranged on the spring bag.

2. The structure of the sofa seat according to claim 1, characterized in that: The spring pack is composed of a plurality of spring pockets, wherein springs elastically supporting upwards are enclosed in the spring pockets, and the spring pockets are fixedly connected to each other.

3. The structure of the sofa seat bag according to claim 2 is characterized in that: The spring pockets are regularly arranged.

4. The structure of the sofa seat bag according to claim 1 is characterized in that: A supporting crossbeam is installed at the bottom of the seat frame, and the mounting seat is installed on the supporting crossbeam.

5. The structure of the sofa seat bag according to claim 2 is characterized in that: A shaping frame is installed on the periphery of the spring bag, and four sides of the shaping frame are connected with the seat frame through tension springs.

6. The structure of the sofa seat bag according to claim 5, characterized in that: The seat frame is laterally provided with an elastic drawstring above the draw spring.

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