WO2022151554A1 - 袋装弹簧床芯及床垫 - Google Patents

袋装弹簧床芯及床垫 Download PDF

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Publication number
WO2022151554A1
WO2022151554A1 PCT/CN2021/075835 CN2021075835W WO2022151554A1 WO 2022151554 A1 WO2022151554 A1 WO 2022151554A1 CN 2021075835 W CN2021075835 W CN 2021075835W WO 2022151554 A1 WO2022151554 A1 WO 2022151554A1
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Prior art keywords
pocket
pocket spring
string
springs
spring
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PCT/CN2021/075835
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English (en)
French (fr)
Inventor
谭治铭
梁杰
谭治良
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广州市联柔机械设备有限公司
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Publication of WO2022151554A1 publication Critical patent/WO2022151554A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/063—Spring inlays wrapped or otherwise protected
    • A47C27/064—Pocketed springs

Definitions

  • the invention relates to the field of pocket spring mattresses, in particular to a pocket spring bed core and a mattress.
  • the bed core of a pocket spring mattress is a combination of multiple pocket spring strings.
  • the pocket spring string is composed of multiple pocket springs. Specifically, a cloth bag is welded on a complete piece of flexible fabric, and then the spring is packaged and formed. Pocketed springs, a series of pocketed springs form a string of pocketed springs. Due to the use of fabrics, the string of pocketed springs has ductility in the longitudinal direction, which causes the pocketed springs to expand or concave when the bed core is laterally or longitudinally compressed, and The existing pocket spring bed cores are made by sticking pocket spring strings of the same specification to each other to form the bed core. Such a bed core manufacturing method increases the number of springs and increases the cost of the bed core.
  • reinforcements are generally installed at the edges.
  • the reinforcements are mostly made of circular and/or flat materials, and are mostly metal. Call it "metal edging".
  • the bed core with metal edging has a complicated installation process and high material cost; the bed core cannot be wrapped after edging, which will occupy a large space during transportation and increase the transportation cost. In daily use, it will also affect the sleeping experience because the edge is made of metal.
  • the purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a pocket spring bed core and mattress, which can avoid deformation when the edges are compressed.
  • a pocket spring bed core comprising a first pocket spring string and a second pocket spring string, the first pocket spring string and the second pocket spring string
  • the strings are alternately arranged and connected horizontally; wherein, the longitudinal compression of the first string of pocketed springs causes the pocketed springs to be arranged in close arrangement, so that adjacent pocketed springs are mutually supported; and the second string of pocketed springs is longitudinally arranged.
  • the stretching setting is used to make the pocket spring bed core no longer stretch in the longitudinal direction.
  • the above pocketed spring bed core has at least the following beneficial effects: the first pocketed spring strings and the second pocketed spring strings are alternately arranged, and by longitudinally compressing the first pocketed spring strings, the adjacent pocketed springs are made close to each other.
  • Forming a support can prevent the pocket spring from concave when the pocket spring bed core is longitudinally compressed; by longitudinally stretching the second pocket spring string to offset its ductility, it can provide tension when the pocket spring bed core is laterally compressed, Prevent the first pocket spring string from expanding outward, so that it can better avoid deformation when the edge of the pocket spring bed core is compressed.
  • the use of metal wrap side for easy transport and installation of pocket spring bed cores.
  • At least one first welding seam is provided between the pocket springs of the second string of pocket springs, and the pockets of the second string of pocket springs are One of the first welding seams is provided on both sides of the loaded spring, the adjacent first welded seams between the pocketed springs of the second pocketed spring string are not encapsulated springs to form a predetermined gap, and the second pocketed springs
  • the axial distance of adjacent pocketed springs of a string is 1, 2 or 3 times the axial distance of adjacent pocketed springs of said first string of pocketed springs.
  • only one of the first welding seams is provided between at least two pocket springs at both ends of the second pocket spring string in the longitudinal direction.
  • the axis of the pocket spring of the second string of pocket springs is the same as the axis of the pocket spring of the first string of pocket springs. axis alignment.
  • the pocket spring bed core has a first layout structure, and the first layout structure includes N first pocket springs arranged alternately in sequence string and 1 of the second pocketed spring strings, the 1 ⁇ N ⁇ 5.
  • the pocket spring bed core has a second layout structure, and the second layout structure includes one of the first pocket springs arranged alternately in sequence string and N strings of said second pocketed springs, said 1 ⁇ N ⁇ 5.
  • the pocket spring bed core has a third layout structure, and the third layout structure includes one of the first pocket springs arranged alternately in sequence string and one of the second pocketed spring strings, the second pocketed spring string is adhered to the adjacent first pocketed spring string, and the adjacent four pocketed spring strings adjacent to the first pocketed spring string
  • the springs form voids in which the pocketed springs of the second string of pocketed springs are selectively adhered.
  • the first pocket spring strings are provided on the front and rear edges of the pocket spring bed core in the arrangement direction of the spring strings.
  • the first string of pocket springs and the second string of pocket springs each include a plurality of continuous pocket springs
  • the pocket springs include A cloth bag and a spring arranged in the cloth bag.
  • a mattress comprising the above-mentioned pocket spring bed core.
  • FIG. 1 is a schematic structural diagram of a pocket spring bed core according to a first embodiment of the present invention
  • Fig. 2 is the partial enlarged schematic diagram of the top view of the pocket spring bed core in Fig. 1;
  • FIG. 3 is a schematic structural diagram of a pocket spring bed core according to a second embodiment of the present invention.
  • Fig. 4 is the partial enlarged schematic diagram of the top view of the pocket spring bed core in Fig. 3;
  • FIG. 5 is a schematic structural diagram of the second pocket spring string 20 according to the embodiment of the present invention.
  • Fig. 6 is the partial structure schematic diagram of the top view of the pocket spring bed core of the third embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the internal structure of a pocket spring according to an embodiment of the present invention.
  • first pocket spring string 10 second pocket spring string 20 , first welding seam 21 , pocket spring 30 , cloth bag 31 , spring 32 , predetermined gap 40 , gap 50 .
  • azimuth descriptions such as up, down, front, rear, left, right, etc.
  • azimuth or position relationship based on the azimuth or position relationship shown in the drawings, only
  • the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
  • the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.
  • an embodiment of the present invention provides a pocket spring bed core, including a first pocket spring string 10 and a second pocket spring string 20, a first pocket spring string 10 and a second pocket spring string
  • the strings 20 are alternately arranged and connected horizontally; wherein, the first pocketed spring string 10 is compressed longitudinally so that the pocketed springs 30 are arranged in close arrangement, so that the adjacent pocketed springs 30 are mutually supported; the second pocketed spring string 20 is longitudinally arranged Stretch setting so that the pocket spring core is no longer stretched in the longitudinal direction.
  • the first string of pocketed springs 10 is longitudinally compressed, and under the condition of ensuring that the springs will not be irreversibly deformed, the first string of pocketed springs 10 cannot be compressed in the longitudinal direction any more, so that the adjacent pocketed springs 30 are not compressed in the longitudinal direction.
  • the second pocket spring string 20 is longitudinally stretched and arranged. Under the condition that the fabric is not damaged, the second pocket spring string 20 is in a tight state and does not continue to extend, and the second pocket spring string 20 is offset by stretching.
  • the longitudinal extensibility between the pocket springs of the spring string makes the overall pocket spring bed core no longer extensible in the longitudinal direction.
  • the first pocket spring strings 10 and the second pocket spring strings 20 are alternately arranged, and the first pocket spring strings 10 are longitudinally compressed, so that the adjacent pocket spring strings 30 are closely attached to each other. Supporting each other can prevent the pocket spring 30 from concave when the pocket spring bed core is longitudinally compressed; by longitudinally stretching the second pocket spring string 20 to offset its ductility, the pocket spring bed core can be compressed when the pocket spring bed core is laterally compressed. A pulling force is provided to prevent the first pocket spring string 10 from expanding outward.
  • the first string of pocketed springs 10 and the second string of pocketed springs 20 each include a plurality of continuous pocketed springs 30 .
  • the pocketed springs 30 include a cloth bag 31 and a spring 32 disposed in the cloth bag.
  • a plurality of continuous cloth bags 31 are formed by welding on a complete piece of cloth, and a spring 32 is installed in one cloth bag 31, and then packaged to form a pocket spring 30, and a plurality of pocket springs 30 are combined to form a bag spring string.
  • Adhesion or welding can be used to fix the adjacent first pocket spring strings 10 and the second pocket spring strings 20.
  • the strength glue is connected and fixed; the welding and fixing is ultrasonic welding, and the first pocketed spring string 10 and the second pocketed spring string 20 are connected and fixed by ultrasonic welding.
  • the string of pocketed springs is longitudinally compressed so that two adjacent pocketed springs 30 are in close contact with each other, that is, there is no gap between two adjacent pocketed springs 30, so that the first pocketed spring can be formed.
  • Spring string 10 stretch the pocket spring string so that there is a larger predetermined gap between two adjacent pocket springs 30 to offset the ductility of the pocket spring string, so that the second pocket spring string 20 can be formed. It can be understood that the size of the predetermined gap is set according to actual needs, and on the same second string 20 of pocketed springs, the predetermined gaps between different two adjacent pocketed springs 30 can be set to be different.
  • the first pocket spring strings 10 are provided on the front and rear edges of the pocket spring bed core in the arrangement direction of the spring strings. Arranging the compressed first pocket spring string 10 at the edge position can support the edge of the pocket spring bed core and improve its edge stability.
  • the diameter and wire diameter of the spring of the first string of pocket springs 10 are greater than or equal to those of the spring of the second string of pocket springs 20 to further strengthen the pocket spring bed core Edge stability.
  • first string of pocket springs 10 and the second string of pocket springs 20 are arranged alternately, and the alternate arrangement does not only refer to a first string of pocket springs 10 and a second string of pocket springs.
  • the strings 20 are arranged alternately.
  • the pocket spring bed core has a first layout structure, and the first layout structure adopts the form of "N1N", including N first pocket spring strings 10 and 1 second pocket spring string 20, N ⁇ 1.
  • the pocket spring bed core has a second layout structure, and the second layout structure adopts the form of "1N1", including one first pocket spring string 10 arranged alternately in sequence and N second pocket spring strings 20, N ⁇ 1.
  • N ⁇ 5 is suitable, so as to avoid that the number of the first pocketed spring strings 10 and the second pocketed spring strings 20 differ too much, resulting in a smaller number of bags.
  • the role of the spring string can be limited.
  • the value of N is preferably 2; when the second layout structure is adopted, the value of N is preferably 4.
  • the pocket spring bed core has a third layout structure
  • the third layout structure includes a first pocket spring string 10 and a second pocket spring string 20 that are alternately arranged in sequence , the second pocketed spring string 20 is adhered to the adjacent first pocketed spring string 10, and the adjacent four pocketed springs 30 of two adjacent first pocketed spring strings 10 (referring to the four adjacent A gap 50 is formed between the pocketed springs 30 instead of the four pocketed springs 30 continuously arranged in the longitudinal direction, and the pocketed springs 30 of the second string of pocketed springs 20 are selectively adhered in the gaps 50 .
  • the selective adhesion refers to that the pocket springs 30 of the second string of pocket springs 20 can be adhered in each gap 50, or the pocket springs 30 of the second string of pocket springs 20 may not be adhered in part of the gap.
  • At least one first welding seam 21 is provided between the pocket springs of the second string of pocket springs 20 , and two sides of the pocket springs of the second string of pocket springs 20 are provided with a
  • the first welded seam 21 , the adjacent first welded seam 21 between the pocketed springs of the second pocketed spring string 20 and the unpackaged springs form a predetermined gap 40
  • the width of the predetermined gap 40 is the pocket of the second pocketed spring string 20 .
  • the longitudinal stretching of the second string of pocket springs 20 is achieved by setting the predetermined gap 40 .
  • first welding seam 21 is provided between at least two pocket springs at both ends of the second pocket spring string 20 in the longitudinal direction, that is, the predetermined gap 40 is cancelled, so as to improve the longitudinal upper edge of the pocket spring bed core. stability at the location.
  • the axis of the pocket springs 30 of the second string of pocketed springs 20 is aligned with the axis of the pocketed springs 30 of the first string of pocketed springs 10 in the lateral direction.
  • An embodiment of the present invention also provides a mattress, comprising the above pocket spring bed core.
  • the mattress containing the above pocket spring bed core has better resistance to deformation, and avoids the use of metal edging, which can reduce material costs, facilitate transportation and installation, and improve the sleeping experience of users.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

提供了一种袋装弹簧床芯及床垫，其中袋装弹簧床芯包括第一袋装弹簧串（10）和第二袋装弹簧串（20），第一袋装弹簧串（10）纵向压缩设置，第二袋装弹簧串（20）纵向拉伸设置。袋装弹簧床芯的第一袋装弹簧串（10）和第二袋装弹簧串（20）横向交替排列，通过纵向压缩第一袋装弹簧串（10），使得相邻的袋装弹簧（30）紧密相靠形成支撑，能够防止袋装弹簧床芯纵向受压时袋装弹簧（30）内凹；通过纵向拉伸第二袋装弹簧串（20），抵消其延展性，能够在袋装弹簧床芯横向受压时提供拉力，防止第一袋装弹簧串（10）外扩，如此，能够较好地避免袋装弹簧床芯边缘四周受压时产生变形，与传统采用金属包边的袋装弹簧床芯相比，能够避免使用金属包边，便于袋装弹簧床芯的运输和安装，用于袋装弹簧床垫领域。

Description

袋装弹簧床芯及床垫 技术领域
本发明涉及袋装弹簧床垫领域，特别涉及袋装弹簧床芯及床垫。
背景技术
袋装弹簧床垫的床芯是多个袋装弹簧串组合而成，袋装弹簧串由多个袋装弹簧组成，具体通过在一块完整的柔性布料上焊接布袋，再装入弹簧后封装形成袋装弹簧，连续的多个袋装弹簧形成袋装弹簧串，由于采用布料，袋装弹簧串的纵向具有延展性，导致床芯横向或者纵向受压时袋装弹簧外扩或者内凹，并且现有的袋装弹簧床芯制作均是采用相同规格的袋装弹簧串相互粘粘形成床芯，这样的床芯制造方式使弹簧数量增加从而导致床芯成本增加。
相关技术中，为了使床芯边缘四周在受压时保证尺寸稳定不会发生形变，一般是在边缘安装加强件，加强件多是采用圆形和/或扁平材料构成，并且多为金属，通常称其为“金属包边”。金属包边的床芯安装工序复杂，材料成本高；包边后床芯不能卷包，导致运输时占用空间大从而增加了运输成本，在日常使用时，也会因为边缘为金属影响睡眠体验。
发明内容
本发明的目的在于至少解决现有技术中存在的技术问题之一，提供一种袋装弹簧床芯及床垫，能够避免边缘四周受压时产生变形。
根据本发明的第一方面实施例，提供一种袋装弹簧床芯，包括第一袋装弹簧串和第二袋装弹簧串，所述第一袋装弹簧串和所述第二袋装弹簧串横向交替排列连接；其中，所述第一袋装弹簧串纵向压缩使袋装弹簧紧密排列设置，以使相邻的袋装弹簧之间相互形成支撑；以及所述第二袋装弹簧串纵向拉伸设置，用以使所述袋装弹簧床芯纵向方向上不再延展。
上述的袋装弹簧床芯至少具有以下有益效果：第一袋装弹簧串和第二袋装弹簧串交替排列，通过纵向压缩第一袋装弹簧串，使得相邻的袋装弹簧紧密相靠相互形成支撑，能够防止袋装弹簧床芯纵向受压时袋装弹簧内凹；通过纵向拉伸第二袋装弹簧串，抵消其延展性，能够在袋装弹簧床芯横向受压时提供拉力，防止第一袋装弹簧串外扩，如此，能够较好地避免袋装弹簧床芯边缘四周受压时产生变形，与传统采用金属包边的袋装弹簧床芯相比，能够避免使用金属包边，便于袋装弹簧床芯的运输和安装。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述第二袋装弹簧串的袋装弹簧之间设有至少一个第一焊缝，所述第二袋装弹簧串的袋装弹簧两侧均设有一个所述第一焊缝，所述第二袋装弹簧串的袋装弹簧之间的相邻第一焊缝未封装弹簧形成预定间隙，所述第二袋装弹簧串的相邻袋装弹簧的轴线距离是所述第一袋装弹簧串的相邻袋装弹簧的轴线距离的1倍、2倍或3倍。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述第二袋装弹簧串在纵向方向上两端至少有两个袋装弹簧之间只设置一个所述第一焊缝。
根据本发明第一方面实施例所述的袋装弹簧床芯，在横向方向上，所述第二袋袋装弹簧串的袋装弹簧的轴线与所述第一袋装弹簧串的袋装弹簧的轴线对齐。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述袋装弹簧床芯具有第一布局结构，所述第一布局结构包括依次交替排列的N个所述第一袋装弹簧串和1个所述第二袋装弹簧串，所述1≤N≤5。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述袋装弹簧床芯具有第二布局结构，所述第二布局结构包括依次交替排列的1个所述第一袋装弹簧串和N个所述第二袋装弹簧串，所述1≤N≤5。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述袋装弹簧床芯具有第三布局结构，所述第三布局结构包括依次交替排列的1个所述第一袋装弹簧串和1个所述第二袋装弹簧串，所述第二袋装弹簧串粘连相邻所述第一袋装弹簧串，相邻所述第一袋装弹簧串的相邻四个袋装弹簧形成空隙，所述第二袋装弹簧串的 袋装弹簧选择性地粘连在所述空隙中。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述袋装弹簧床芯在弹簧串排列方向的前后边缘均设置所述第一袋装弹簧串。
根据本发明第一方面实施例所述的袋装弹簧床芯，所述第一袋装弹簧串和所述第二袋装弹簧串均包括连续的多个袋装弹簧，所述袋装弹簧包括布袋和设置在所述布袋内的弹簧。
根据本发明的第二方面实施例，提供一种床垫，包括上述的袋装弹簧床芯。
附图说明
下面结合附图和实施例对本发明进一步地说明；
图1是本发明第一实施例袋装弹簧床芯的结构示意图；
图2是图1中袋装弹簧床芯俯视视角的局部放大示意图；
图3是本发明第二实施例袋装弹簧床芯的结构示意图；
图4是图3中袋装弹簧床芯俯视视角的局部放大示意图；
图5是本发明实施例第二袋装弹簧串20的结构示意图；
图6是本发明第三实施例袋装弹簧床芯俯视视角的局部结构示意图；
图7是本发明实施例袋装弹簧的内部结构示意图；
附图标记：第一袋装弹簧串10、第二袋装弹簧串20、第一焊缝21、袋装弹簧30、布袋31、弹簧32、预定间隙40、空隙50。
具体实施方式
本部分将详细描述本发明的具体实施例，本发明之较佳实施例在附图中示出，附图的作用在于用图形补充说明书文字部分的描述，使人能够直观地、形象地理解本发明的每个技术特征和整体技术方案，但其不能理解为对本发明保护范围的限制。
在本发明的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、 左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本发明的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本发明中的具体含义。
参照图1至图4，本发明实施例提供一种袋装弹簧床芯，包括第一袋装弹簧串10和第二袋装弹簧串20，第一袋装弹簧串10和第二袋装弹簧串20横向交替排列连接；其中，第一袋装弹簧串10纵向压缩使袋装弹簧30紧密排列设置，以使相邻的袋装弹簧30之间相互形成支撑；第二袋装弹簧串20纵向拉伸设置，用以使袋装弹簧床芯纵向方向上不再延展。
具体地，第一袋装弹簧串10纵向压缩设置，在确保弹簧不会发生不可逆变形的情况下，第一袋装弹簧串10在纵向上不能再压缩，以使相邻的袋装弹簧30之间相互形成支撑，第二袋装弹簧串20纵向拉伸设置，在确保布料不破损的情况下，第二袋装弹簧串20处于紧绷状态不再继续延伸，通过拉伸抵消第二袋装弹簧串的袋装弹簧之间的纵向延展性，进而使整体的袋装弹簧床芯纵向方向上不再延展。
本实施例的袋装弹簧床芯，第一袋装弹簧串10和第二袋装弹簧串20交替排列，通过纵向压缩第一袋装弹簧串10，使得相邻的袋装弹簧30紧密相靠相互形成支撑，能够防止袋装弹簧床芯纵向受压时袋装弹簧30内凹；通过纵向拉伸第二袋装弹簧串20，抵消其延展性，能够在袋装弹簧床芯横向受压时提供拉力， 防止第一袋装弹簧串10外扩。如此，在第一袋装弹簧串10和第二袋装弹簧串20的综合作用下，能够较好地避免袋装弹簧床芯边缘四周受压时产生变形，提高袋装弹簧床芯的结构稳定性，与传统采用金属包边的袋装弹簧床芯相比，能够避免使用金属包边，可减小材料成本，便于袋装弹簧床芯的运输和安装，并且提高用户的睡眠体验。
参照图7，第一袋装弹簧串10和第二袋装弹簧串20均包括连续的多个袋装弹簧30，袋装弹簧30包括布袋31和设置在布袋内的弹簧32。在一块完整的布料上焊接隔开形成连续的多个布袋31，一个布袋31内安装一个弹簧32，然后封装形成袋装弹簧30，多个袋装弹簧30组合形成袋装弹簧串。
相邻的第一袋装弹簧串10和第二袋装弹簧串20之间可采用粘连或者焊接固定，粘连固定为第一袋装弹簧串10和第二袋装弹簧串20之间通过喷涂高强度胶水连接固定；焊接固定为超声波焊接，通过超声波焊接将第一袋装弹簧串10和第二袋装弹簧串20连接固定。
在本实施例中，纵向压缩袋装弹簧串，使相邻两个袋装弹簧30之间相互紧贴，即相邻两个袋装弹簧30之间不具有间隙，即可形成第一袋装弹簧串10；拉伸袋装弹簧串，使相邻两个袋装弹簧30之间具有较大的预定间隙，抵消袋装弹簧串的延展性，即可形成第二袋装弹簧串20。可以理解的是，预定间隙的大小根据实际需要设定，并且同一个第二袋装弹簧串20上，不同的相邻两个袋装弹簧30之间的预定间隙可以设置为不同。
在本实施例中，袋装弹簧床芯在弹簧串排列方向的前后边缘均设置第一袋装弹簧串10。将压缩的第一袋装弹簧串10设置在边缘位置处，能够对袋装弹簧床芯的边缘起支撑作用，提高其边缘稳定性。
参照图3和图4，进一步地，第一袋装弹簧串10的弹簧的直径和线径大于或等于第二袋装弹簧串20的弹簧的直径和线径，以进一步加强袋装弹簧床芯边缘稳定性。
可以理解的是，第一袋装弹簧串10和第二袋装弹簧串20交替排列设置，所 述交替排列，不仅仅特指1个第一袋装弹簧串10与1个第二袋装弹簧串20交替排列。
参照图1和图2，在一些实施例中，袋装弹簧床芯具有第一布局结构，第一布局结构采用“N1N”的形式，包括依次交替排列的N个第一袋装弹簧串10和1个第二袋装弹簧串20，N≥1。
参照图3和图4，在另外一些实施例中，袋装弹簧床芯具有第二布局结构，第二布局结构采用“1N1”的形式，包括依次交替排列的1个第一袋装弹簧串10和N个第二袋装弹簧串20，N≥1。
具体地，第一布局结构和第二布局结构中，N≤5为宜，避免第一袋装弹簧串10和第二袋装弹簧串20的数量相差过大，导致数量较少的那种袋装弹簧串所能起到的作用有限。其中，采用第一布局结构时，N取值为2为宜；采用第二布局结构时，N取值为4为宜。
参照图6，在另外一些实施例中，袋装弹簧床芯具有第三布局结构，第三布局结构包括依次交替排列的1个第一袋装弹簧串10和1个第二袋装弹簧串20，第二袋装弹簧串20粘连相邻第一袋装弹簧串10，相邻两个第一袋装弹簧串10的相邻四个袋装弹簧30(指的是正方形排列的四个相邻袋装弹簧30，而非纵向方向上连续排列的四个袋装弹簧30)之间形成空隙50，第二袋装弹簧串20的袋装弹簧30选择性地粘连在空隙50中。所述选择性地粘连指的是可以在每个空隙50中粘连第二袋装弹簧串20的袋装弹簧30，或者是在部分空隙中不粘连袋装弹簧30。
参照图5，在一些实施例中，第二袋装弹簧串20的袋装弹簧之间设有至少一个第一焊缝21，第二袋装弹簧串20的袋装弹簧两侧均设有一个第一焊缝21，第二袋装弹簧串20的袋装弹簧之间的相邻第一焊缝21未封装弹簧形成预定间隙40，预定间隙40的宽度是第二袋装弹簧串20的袋装弹簧宽度的1倍、2倍或3倍。通过设置预定间隙40实现第二袋装弹簧串20的纵向拉伸。
进一步地，第二袋装弹簧串20在纵向方向上两端至少有两个袋装弹簧之间 只设置一个第一焊缝21即取消预定间隙40，以提高袋装弹簧床芯纵向方向上边缘位置处的稳定性。
在一些实施例中，在横向方向上，第二袋袋装弹簧串20的袋装弹簧30的轴线与第一袋装弹簧串10的袋装弹簧30的轴线对齐。
本发明实施例还提供一种床垫，包括上述的袋装弹簧床芯。包含上述袋装弹簧床芯的床垫，具有较好的抵抗变形的能力，并且避免使用金属包边，可减小材料成本，便于运输和安装，提高用户的睡眠体验。
上面结合附图对本发明实施例作了详细说明，但是本发明不限于上述实施例，在所述技术领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化。

Claims (9)

  1. 一种袋装弹簧床芯，其特征在于：包括第一袋装弹簧串和第二袋装弹簧串，所述第一袋装弹簧串和所述第二袋装弹簧串横向交替排列连接；其中，
    所述第一袋装弹簧串纵向压缩使袋装弹簧紧密排列设置，以使相邻的袋装弹簧之间相互支撑；以及
    所述第二袋装弹簧串纵向拉伸设置，用以使所述袋装弹簧床芯纵向方向上不再延展。
  2. 根据权利要求1所述的袋装弹簧床芯，其特征在于：所述第二袋装弹簧串的袋装弹簧之间设有至少一个第一焊缝，所述第二袋装弹簧串的袋装弹簧两侧均设有一个所述第一焊缝，所述第二袋装弹簧串的袋装弹簧之间的相邻第一焊缝未封装弹簧形成预定间隙，所述第二袋装弹簧串的相邻袋装弹簧的轴线距离是所述第一袋装弹簧串的相邻袋装弹簧的轴线距离的1倍、2倍或3倍。
  3. 根据权利要求2所述的袋装弹簧床芯，其特征在于：所述第二袋装弹簧串在纵向方向上两端至少有两个袋装弹簧之间只设置一个所述第一焊缝。
  4. 根据权利要求2所述的袋装弹簧床芯，其特征在于：在横向方向上，所述第二袋袋装弹簧串的袋装弹簧的轴线与所述第一袋装弹簧串的袋装弹簧的轴线对齐。
  5. 根据权利要求1至4中任意一项所述的袋装弹簧床芯，其特征在于：所述袋装弹簧床芯具有第一布局结构，所述第一布局结构包括依次交替排列的N个所述第一袋装弹簧串和1个所述第二袋装弹簧串，所述1≤N≤5。
  6. 根据权利要求1至4中任意一项所述的袋装弹簧床芯，其特征在于：所述袋装弹簧床芯具有第二布局结构，所述第二布局结构包括依次交替排列的1个所述第一袋装弹簧串和N个所述第二袋装弹簧串，所述1≤N≤5。
  7. 根据权利要求1或2所述的袋装弹簧床芯，其特征在于：所述袋装弹簧床芯具有第三布局结构，所述第三布局结构包括依次交替排列的1个所述第一袋装弹簧串和1个所述第二袋装弹簧串，所述第二袋装弹簧串粘连相邻所述第一袋 装弹簧串，相邻所述第一袋装弹簧串的相邻四个袋装弹簧形成空隙，所述第二袋装弹簧串的袋装弹簧选择性地粘连在所述空隙中。
  8. 根据权利要求1所述的袋装弹簧床芯，其特征在于：所述袋装弹簧床芯在弹簧串排列方向的前后边缘均设置所述第一袋装弹簧串。
  9. 一种床垫，其特征在于：包括权利要求1至8中任意一项所述的袋装弹簧床芯。
PCT/CN2021/075835 2021-01-15 2021-02-07 袋装弹簧床芯及床垫 WO2022151554A1 (zh)

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