阅读说明：本技术 一种用于沙发底部的拉簧结构 (Tension spring structure for bottom of sofa ) 是由 王通飞 于 2020-07-07 设计创作，主要内容包括：本发明属于沙发技术领域,具体涉及一种用于沙发底部的拉簧结构,包括均匀排列设置在沙发底板之间的若干个弹簧主体部,弹簧主体部的两端分别成型有用于与沙发底板连接固定的连接部,所述弹簧主体部由一钢丝按S形连续曲折形成带状,每两个相邻的弹簧主体部之间连接有若干个用于分散压力的拉簧,本发明通过拉簧的设计,当人坐在沙发上时,沙发主体上局部受力,弹簧主体部受的力将会分摊给拉簧,能够提高其承载能力,由于弹簧主体部之间并不是通过定位丝连接的,因此且只有受力的地方会产生凹陷,不会使整体都向下凹陷,而此处的沙发包裹在屁股的外周,非常舒适。(The invention belongs to the technical field of sofas, in particular to a tension spring structure for the bottom of a sofa, which comprises a plurality of spring main body parts which are uniformly arranged between sofa bottom plates, wherein connecting parts for connecting and fixing with the sofa bottom plates are respectively formed at two ends of each spring main body part, the spring main body part is formed into a belt shape by continuously bending a steel wire in an S shape, and a plurality of tension springs for dispersing pressure are connected between every two adjacent spring main body parts, when a person sits on the sofa, the local force is applied to the sofa main body, the force applied to the spring main body is distributed to the tension spring, the bearing capacity of the tension spring can be improved, because the spring main body parts are not connected through the positioning wires, only the stress place can generate depression, the whole body can not be depressed downwards, and the sofa is wrapped on the periphery of the buttocks, so that the sofa is very comfortable.)

1. The utility model provides a extension spring structure for sofa bottom which characterized in that: the spring comprises a plurality of spring main body parts (1) which are uniformly arranged between sofa bottom plates (2), connecting parts (3) which are used for being connected and fixed with the sofa bottom plates (2) are respectively formed at two ends of each spring main body part (1), and a plurality of tension springs (4) used for dispersing pressure are connected between every two adjacent spring main body parts (1).

2. The tension spring structure for the sofa bottom according to claim 1, wherein: the tension spring (4) comprises a spring body (5), the two ends of the spring body (5) are respectively connected with a long arm (6), and a hook body (7) used for hooking the spring main body part (1) is formed at one end of the long arm (6).

3. The tension spring structure for the sofa bottom according to claim 1, wherein: two tension springs (4) are connected between every two adjacent spring main body parts (1), and the two tension springs (4) are arranged in a non-parallel mode.

4. The tension spring structure for the sofa bottom according to claim 3, wherein: every four adjacent tension springs (4) form a group, and a rhombus is formed among the four tension springs (4).

5. The tension spring structure for the sofa bottom according to claim 1, wherein: the tension springs (4) are arranged between the spring main body parts (1) in a crossed mode, so that a net-shaped structure is formed between the sofa bottoms (2).

6. The tension spring structure for the sofa bottom according to claim 1, wherein: the balance rods (8) are installed at the two ends of the spring main body portions (1), and the balance rods (8) are connected with the spring main body portions (1) through fixed shaft sleeves (9).

7. The tension spring structure for the sofa bottom according to claim 1, wherein: the spring main body part (1) is formed into a belt shape by continuously bending a steel wire in an S shape.

Technical Field

The invention relates to the technical field of sofas, in particular to a tension spring structure for the bottom of a sofa.

Background

At present, the variety of sofa is various to the material of sofa is various, but the sofa is mostly adopted the direct packing of sponge material to form, and the sponge is filled the cost of manufacture and is higher, and the sponge directly fills and need make into corresponding shape with the sponge, and this is in process of production, and very consuming time is used, adopts the sponge to fill moreover, and the live time overlength can lead to the sponge to warp can not the reconversion, and the sofa is short-lived.

To this problem, among the prior art, through set up bow spring in the sofa, bow spring is pressed the continuous zigzag of S-shaped by the steel wire and is formed banding, and bow spring' S both ends are direct to be connected fixedly with the sofa bottom plate to the elasticity of multiplicable sofa increases the comfort of sitting and leaning on, like [ chinese utility model ] CN201520823027.0 discloses a spring and sofa cushion, including the spring main part and be used for being connected fixed connecting portion with the sofa bottom plate, the spring main part is pressed the continuous zigzag of S-shaped by a steel wire and is formed banding, the both ends of spring main part are bent downwards respectively and are formed the buffer, the buffer is connected with connecting portion.

The utility model discloses an adopted the both ends of spring main part are bent downwards respectively and are formed buffering portion, the difficult rupture of atress, the problem of spring because of the easy rupture of atress in the traditional art has been solved, effectively prolong the life of product, and the use amount of sponge has been practiced thrift, but wherein some problems still exist, because connect through the location silk between the spring main part that a plurality of transversely set up, consequently, when people sit down, the bottom of sofa is only local atress, but whole bottom surface all can produce sunkenly, excellent in use effect, experience feels poor, therefore prior art still is waiting to improve and develop.

Disclosure of Invention

The invention aims to provide a tension spring structure for the bottom of a sofa, which solves the problem that the whole bottom surface of the sofa is sunken when the sofa is stressed by the tension spring.

The purpose of the invention is realized as follows: the utility model provides an extension spring structure for sofa bottom, includes a plurality of spring main part that align to grid set up between the sofa bottom plate, the both ends of spring main part shape respectively have and are used for being connected fixed connecting portion with the sofa bottom plate, the spring main part is pressed the continuous zigzag of S-shaped by a steel wire and is formed banding, is connected with the extension spring that a plurality of is used for dispersed pressure between per two adjacent spring main parts.

Preferably, the tension spring comprises a spring body, two ends of the spring body are respectively connected with a long arm, and a hook body used for hooking the main body part of the spring is formed at one end of the long arm.

Preferably, two tension springs are connected between every two adjacent spring main body parts, and the two tension springs are arranged in a non-parallel mode.

Preferably, every four adjacent extension springs are in a group, and a diamond shape is formed between the four extension springs.

Preferably, the tension springs are arranged between the spring main body parts in a crossed manner, so that a net structure is formed between the bottoms of the sofas.

Preferably, the two ends of the spring main body part are respectively provided with a balance rod, and the balance rods are connected with the spring main body parts through fixed shaft sleeves.

Preferably, the spring body portion is formed in a band shape by a steel wire which is continuously bent in an S-shape.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. according to the invention, through the design of the tension springs, when a person sits on the sofa, the local stress on the sofa main body is applied, and the stress applied on the spring main body part is distributed to the tension springs, so that the bearing capacity of the sofa can be improved.

2. The two ends of the tension spring are respectively provided with the hook bodies, so that the tension spring can be installed only by hooking the hook bodies at the two ends on the adjacent spring main body parts in the actual installation process, stress can be dispersed, and the bearing capacity of the sofa is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Reference numerals: 1-a spring body portion; 2-sofa bottom plate; 3-a connecting part; 4-a tension spring; 5-a spring body;

6-long arm; 7-hook body; 8-a balance bar; and 9, fixing the shaft sleeve.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1-2.

A tension spring structure used for the bottom of a sofa.

As shown in figure 1, the sofa comprises a plurality of spring main body parts 1 which are uniformly arranged on a sofa bottom plate 2, connecting parts 3 which are used for being connected and fixed with the sofa bottom plate 2 are respectively formed at two ends of each spring main body part 1, the spring main body parts 1 are respectively connected with the sofa bottom plate 2 through the connecting parts 3 at the two ends, a mounting part is arranged on the sofa bottom 2, a mounting hole for inserting the connecting part 3 is arranged on the mounting part, when a person sits on the sofa, the sofa is stressed to be sunken, the spring main body parts 1 which are uniformly arranged can effectively improve the bearing capacity of the sofa, and simultaneously have the cushioning effect, the spring main body parts 1 are formed into a belt shape by a steel wire according to an S-shaped continuous zigzag, have better elasticity for cushioning, a plurality of tension springs 4 which are used for dispersing pressure are connected between every two adjacent spring main body parts 1, compared with the design that every two adjacent spring main body parts, when the local atress of sofa, the sofa is whole all to produce sunkenly, and the result of use is not good, and this technical scheme passes through the design of extension spring 4, when the people sits on the sofa, local atress in the sofa main part, the extension spring 4 will be shared to the power that spring main part 1 received, because a plurality of spring main part 1 all is independent, consequently only the place of atress produces sunkenly, can not make whole all undercut, and the sofa parcel of here is in the periphery of hip, and is very comfortable.

When the tension spring 4 is not designed, when the sofa is stressed, the spring main body part 1 right below the buttocks of a human body bears all pressure, the deformation of the spring main body part 1 right below the buttocks is large, and the sinking amplitude is correspondingly large; and because the spring main body parts 1 are connected through the balance rod, the whole sofa can generate the effect of sinking.

When having designed extension spring 4, during the sofa atress, the spring main part 1 under the human buttock will share the power that bears to both sides through the extension spring 4 of connecting, lets pressure can share at local region, and the sofa degree of sinking of buttock position reduces, and the balancing pole at 1 both ends of spring main part receives the corresponding reduction of influence for only the place of atress can produce sunkenly.

Specifically referring to fig. 2, the tension spring 4 includes a spring body 5, two ends of the spring body 5 are respectively connected with a long arm 6, a hook body 7 for hooking the spring main body portion 1 is formed at one end of the long arm 6, and in the actual installation process, the tension spring 4 is hooked on the adjacent spring main body portions 1 through the hook bodies 7 at the two ends so as to disperse stress and improve the bearing capacity of the sofa.

Specifically, referring to fig. 1, two tension springs 4 are connected between every two adjacent spring main body portions 1, the two tension springs 4 are arranged in a non-parallel mode, an angle is arranged between the two tension springs 4, stress is more uniform, and a cushioning effect is better.

Specifically, referring to fig. 1, the tension springs 4 are arranged between the spring main body portions 1 in a crossed manner, and a net-shaped structure is formed at the bottom of the sofa bottom plate, so that the bearing capacity of the sofa can be greatly improved, and the structure is simple.

Specifically, looking at fig. 1, the balancing pole 8 is installed at both ends of spring main part 1, and balancing pole 8 is connected with every spring main part 1, and the contact department cover of balancing pole 8 and spring main part 1 is equipped with fixed axle sleeve 9, makes both fixed connection, and balancing pole 8 is used for maintaining the interval between the spring main part 1 to can furthest keep the shape of sofa cushion, avoid the atress to warp.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.