CN209932142U

CN209932142U - Spring core

Info

Publication number: CN209932142U
Application number: CN201920525720.8U
Authority: CN
Inventors: 叶如剑
Original assignee: Zhejiang Huajian Intelligent Equipment Co Ltd
Current assignee: Zhejiang Huajian Intelligent Equipment Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-14
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a spring core, spring core includes a plurality of springs, and is a plurality of the spring is arranged into multirow and multiseriate, and each line spring is along longitudinal extension, and each is listed as the spring and is followed horizontal extension, and is a plurality of the first terminal surface of spring constitutes the first main surface of spring core is a plurality of the second terminal surface of spring constitutes the second main surface of spring core, first main surface with at least one main surface in the second main surface is covered with a surface cloth. The utility model discloses a spring core simple structure, it is with low costs, can also design into the hardness difference, can be suitable for human physiology curve demand to improve the comfort level of mattress.

Description

Spring core

Technical Field

The utility model relates to a technical field is made to the spring, more specifically relates to a spring, spring cluster and spring core.

Background

Springs are widely used in the production of spring cores for mattresses and sofas, the spring core comprising a plurality of sets of springs arranged at longitudinally spaced intervals, each set comprising a plurality of springs arranged in a transverse direction.

Various spring cores have been proposed in the related art, but each has its own problems and there is a need for improvement.

Disclosure of Invention

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:

document CN106419289A discloses an integrated multi-layer bagged spring string with continuously and gradually changing intervals, which includes a plurality of continuous independent accommodating cavities formed by cloth and groups of springs wrapped in the accommodating cavities, the cloth has at least one curve separating seam to separate the accommodating cavities into at least two layers of independent cavities, the dividing seams in two adjacent independent cavities are not on the same horizontal line, so that the heights of the left and right adjacent independent cavities are not equal, and each spring in each group of springs is stacked and independently wrapped in the corresponding independent cavities. When the springs are wrapped and packaged in the independent cavities with different heights, the initial compression amount of each spring is different, so that the flexibility of each region of the bagged spring string is different.

The multi-layer bagged spring string disclosed in this document achieves the difference in flexibility of each region of the bagged spring string by wrapping the springs in independent cavities of unequal heights. Because a plurality of independent cavities with different heights need to be arranged, the structure is complex, the cost is high, and the bearing capacity of the formed spring core body is not high.

In order to solve one of the problems that this document exists to a certain extent at least, the utility model provides a spring core, this spring core simple structure, it is with low costs, and the bearing capacity is higher relatively, but also can design into the hardness difference, can be suitable for human physiology curve demand to improve the comfort level of mattress.

According to the utility model discloses the spring core includes a plurality of springs, and is a plurality of the spring is arranged into multirow and multiseriate, and each row of spring is along longitudinal extension, and each is listed as the spring and extends along transversely, and is a plurality of the first terminal surface of spring constitutes the first main surface of spring core, and is a plurality of the second terminal surface of spring constitutes the second main surface of spring core, first main surface with at least one of second main surface is covered with the face cloth.

According to the spring core body provided by the embodiment of the utility model, the surface cloth is coated on at least one of the first main surface and the second main surface of the spring core body, the plurality of springs are connected together through the surface cloth, and the bearing capacity provided by the unit area is higher than that of the spring core body without the surface cloth; meanwhile, the surface cloth is covered on the spring, so that the tension of the surface cloth can also increase the bearing force to a certain extent.

In some embodiments, each row of springs is a string of pocketed springs, a plurality of the strings of springs being arranged in a transverse direction.

In some embodiments, the scrim covers only a portion of the at least one major surface. According to the utility model discloses the spring core body, because the spring core body that does not have face cloth is softer than the spring core body that has face cloth, so only cover a part of at least one main surface through with face cloth, can make its soft or hard degree different, can be suitable for human physiology curve demand to improve the comfort level of mattress.

In some embodiments, the at least one major surface is divided into a first area and a second area, the second area surrounding the first area, the scrim covering only the second area.

In some embodiments, the second region is located at an outer periphery of the at least one major surface.

In some embodiments, the at least one main surface is divided into a plurality of first regions and a plurality of second regions, the first regions and the second regions being alternately arranged in the longitudinal direction, and the fabric covers only the second regions.

In some embodiments, the facing is a non-woven fabric or a cotton felt.

In some embodiments, the cover is adhered to the at least one major surface.

In some embodiments, the shell fabric overlies only a portion of the first major surface.

In some embodiments, the first main surface is divided into a plurality of first regions and a plurality of second regions, the first regions and the second regions being alternately arranged in the longitudinal direction, and the fabric covers only the second regions.

Drawings

Fig. 1 is a schematic view of a spring core according to an embodiment of the present invention.

Fig. 2 is a schematic view of a spring core according to another embodiment of the present invention.

Fig. 3 is a schematic view of a spring core according to yet another embodiment of the present invention.

Fig. 4 is a schematic view of a spring core according to yet another embodiment of the present invention.

Reference numerals:

spring core 100, first main surface 101, second main surface 102, spring 1, pocket spring string 110, shell fabric 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A spring core according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 4, a spring core 100 according to an embodiment of the present invention includes a plurality of springs 1, the plurality of springs 1 are arranged in a plurality of rows and a plurality of columns, each row of springs 1 extends in a longitudinal direction, each column of springs 1 extends in a transverse direction, a first end surface of the plurality of springs 1 constitutes a first main surface 11 of the spring core 100, and a second end surface of the plurality of springs 1 constitutes a second main surface 12 of the spring core 100. As shown in fig. 1 to 4, the upper end surfaces of the plurality of springs 1 constitute a first main surface 11 of the spring core 100, and the lower end surfaces of the plurality of springs 1 constitute a second main surface 12 of the spring core 100.

At least one of the first main surface 11 and the second main surface 12 is coated with a fabric 2. In other words, both the first main surface 11 and the second main surface 11 are covered with the fabric 2, or only the first main surface 11 is covered with the fabric 2, or only the second main surface 12 is covered with the fabric 2. In the embodiment shown in fig. 1-4, only the first main surface 11 is coated with a coverstock 2.

Further, the cover fabric 2 is a nonwoven fabric. It is understood that the present invention is not limited thereto, and for example, the fabric 2 may be a material such as a cotton felt.

According to the spring core 100 of the embodiment of the present invention, the fabric 2 is coated on at least one of the first main surface 11 and the second main surface 12 of the spring core 100, and the plurality of springs 1 are connected together through the fabric 2, so that the bearing capacity provided per unit area is higher than that of a spring core without the fabric; meanwhile, the surface cloth 2 is covered on the spring 1, so that the tension of the surface cloth 2 can also increase the bearing force to a certain extent.

In some embodiments, the cover 2 is adhered to at least one major surface. The cover cloth 2 is adhered to the end face of the spring 1 by an adhesive such as glue so as to be adhered to the main surface. Thereby, the plurality of springs 1 are bonded together by the cover fabric 2.

In some embodiments, each row of springs 1 is a string 110 of pocketed springs, and the plurality of strings 110 are arranged in a transverse direction.

In some specific embodiments, the cover 2 covers only a portion of at least one major surface. In other words, the cover cloth 2 covers only a part of the first main surface 11 and a part of the second main surface 12, or the cover cloth 2 covers only a part of the first main surface 11, or the cover cloth 2 covers only a part of the second main surface 12.

Specifically, as shown in fig. 2 to 4, the cover cloth 2 covers only a part of the first main surface 11. In other words, a part of the area of the first main surface 11 is covered with the fabric 2, and the other part of the area of the first main surface 11 is covered with the fabric 2.

According to the utility model discloses spring core body, because the spring core body that does not have face cloth is softer than the spring core body that has face cloth, so only cover a part of at least one main surface through with face cloth 2, can make spring core body's soft or hard degree different, can be suitable for human physiology curve demand to improve the comfort level of mattress.

In some alternative embodiments, at least one of the major surfaces is divided into a first area 101 and a second area 102, the second area 102 surrounds the first area 101, and the cloth 2 covers only the second area 102. As shown in fig. 2 and 3, the first main surface 11 is divided into a first region 101 and a second region 102, the second region 102 has a ring shape, the first region 101 is formed in the hollow of the ring-shaped second region 102, and the fabric 2 covers only the second region 102, that is, the fabric 2 covers only the outer peripheral portion of the first main surface 11.

In some alternative embodiments, second region 102 is located at an outer periphery of at least one major surface. As shown in fig. 3, the second region 102 is located at the outer periphery of the first main surface 11.

The second region 102 is formed by the end faces of the outermost one or more turns of the spring. As shown in fig. 3, the second region 102 is formed by the upper end faces of the springs 1 of the two outermost turns.

In other alternative embodiments, as shown in fig. 2, the first region 101 has a first side and a second side in the transverse direction, and the second region 102 has a first portion located at the first side of the first region 101 and a second portion located at the second side of the first region 101 in the transverse direction, wherein the length of the second portion in the transverse direction is greater than the length of the first portion in the transverse direction.

In other alternative embodiments, at least one of the main surfaces is divided into a plurality of first regions 101 and second regions 102, the first regions 101 and the second regions 102 are respectively provided in plurality, the first regions 101 and the second regions 102 are alternately arranged in the longitudinal direction, and the fabric 2 covers only the second regions 102. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Specifically, as shown in fig. 4, the first main surface 11 is divided into first regions 101 and second regions 102 alternately arranged in the longitudinal direction, and the first regions 101 have a plurality of the second regions 102, that is, the first regions 101 and the second regions 102 are arranged in the longitudinal direction in such a manner that: first area 101, second area 102, first area 101, second area 102 … ….

A spring core according to an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, the spring core 100 of the embodiment of the present invention includes a cover fabric 2 and a plurality of springs 1, the plurality of springs 1 are arranged in a plurality of rows and a plurality of columns, each row of springs 1 extends in a longitudinal direction, each column of springs 1 extends in a transverse direction, an upper end surface of the plurality of springs 1 constitutes a first main surface 11 of the spring core 100, and a lower end surface of the plurality of springs 1 constitutes a second main surface 12 of the spring core 100.

The cover cloth 2 is a non-woven fabric, and the cover cloth 2 is bonded to the first main surface 11 and covers the entire first main surface 11.

A spring core in accordance with another embodiment of the present invention is described below with reference to fig. 2.

As shown in fig. 2, the spring core 100 according to the embodiment of the present invention includes a cover fabric 2 and a plurality of springs 1.

The first main surface 11 is divided into a first region 101 and a second region 102, the second region 102 is annular, and the hollow of the annular second region 102 is the first region 101, the first region 101 has a first side and a second side in the transverse direction, and the second region 102 has a first portion located on the first side of the first region 101 and a second portion located on the second side of the first region 101 in the transverse direction, wherein the length of the second portion in the transverse direction is greater than the length of the first portion in the transverse direction. The cover cloth 2 covers only the second region 102.

The other construction and operation of the spring core shown in fig. 2 may be the same as the embodiment shown in fig. 1 and will not be described in detail here.

A spring core according to yet another embodiment of the present invention is described below with reference to fig. 3.

As shown in fig. 3, the spring core 100 according to the embodiment of the present invention includes a cover fabric 2 and a plurality of springs 1.

The first main surface 11 is divided into a first area 101 and a second area 102, the second area 102 is annular, the hollow part of the annular second area 102 is the first area 101, and the second area 102 is formed by the upper end surfaces of the springs 1 of the two outermost circles. The cover cloth 2 covers only the second region 102.

The other construction and operation of the spring core shown in fig. 3 may be the same as the embodiment shown in fig. 1 and will not be described in detail here.

A spring core in accordance with yet another embodiment of the present invention is described below with reference to fig. 4.

As shown in fig. 4, the spring core 100 according to the embodiment of the present invention includes a cover fabric 2 and a plurality of springs 1.

The first main surface 11 is divided into first regions 101 and second regions 102 alternately arranged in the longitudinal direction, and the first regions 101 have a plurality, and the second regions 102 also have a plurality, that is, the first regions 101 and the second regions 102 are arranged in the longitudinal direction in such a manner that: first area 101, second area 102, first area 101, second area 102 … ….

The other construction and operation of the spring core shown in fig. 4 may be the same as the embodiment shown in fig. 1 and will not be described in detail here.

In the embodiment shown in fig. 2-4, since the spring core without the cover cloth is softer than the spring core with the cover cloth, by covering only a part of at least one main surface with the cover cloth 2, the softness of the spring core can be different, and the requirements of the physiological curve of the human body can be met, so that the comfort of the mattress can be improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A spring core comprising a plurality of springs arranged in a plurality of rows and columns, each row of springs extending in a longitudinal direction, each column of springs extending in a transverse direction, a first end face of the plurality of springs constituting a first major surface of the spring core, a second end face of the plurality of springs constituting a second major surface of the spring core, at least one of the first major surface and the second major surface being coated with a facing.

2. The spring core of claim 1 wherein each row of springs is a string of pocketed springs, a plurality of said strings being arranged in a transverse direction.

3. The spring core of claim 1 wherein the scrim covers only a portion of the at least one major surface.

4. The spring core of claim 1 wherein the at least one major surface is divided into a first area and a second area, the second area surrounding the first area, the scrim covering only the second area.

5. The spring core of claim 4 wherein the second region is located at an outer periphery of the at least one major surface.

6. The spring core according to claim 3, wherein the at least one main surface is divided into a plurality of first regions and a plurality of second regions, respectively, the first regions and the second regions being alternately arranged in the longitudinal direction, and the cover cloth covers only the second regions.

7. The spring core of claim 1 wherein the facing is a non-woven fabric or a cotton felt.

8. A spring core according to any of claims 1 to 7 wherein the scrim is adhered to the at least one major surface.

9. The spring core of claim 1 wherein said veil overlies only a portion of said first major surface.

10. The spring core according to claim 9, wherein the first main surface is divided into a plurality of first regions and a plurality of second regions, the first regions and the second regions being alternately arranged in the longitudinal direction, the cloth covering only the second regions.