A type of interlocking spring mattress with balanced force distribution
By alternately setting coil springs in the spring group, the problems of uneven stress and deformation of the mattress in the prior art are solved, more uniform stress distribution and better stability are achieved, service life is extended and winding problems are avoided.
Patent Information
- Application Number
- CN202421412360.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-20
AI Technical Summary
Existing chain spring mattresses are prone to uneven force when subjected to stress, causing overall tilt and deformation of the mattress, affecting comfort and service life. At the same time, spring wrapping problems are prone to occur during compression and rolling.
By alternately setting the coil springs in the spring group, the force is evenly distributed, the possibility of tilt deformation is reduced, and the balance is maintained during compression is maintained, reducing the tilt and winding problems.
The uniform stress distribution of the mattress when under stress is achieved, reduce deformation, improve the stability and comfort of the mattress, and extend the service life, while avoiding the problem of spring wrapping.
Smart Images
Figure CN222737590U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of spring mattresses, and in particular to a chain spring mattress with balanced force. Background Art
[0002] At present, a common mattress structure on the market is the interlocking spring mattress, also known as the interlocking spring mattress. The core component of this mattress is the interlocking spring (or Bonnell spring). The interlocking spring connects multiple independent springs together through spiral steel wire to form a continuous spring system. The main advantage of this design is that it can provide good support and durability, while also improving efficiency during the production process. Therefore, it is widely used in mattress manufacturing.
[0003] Although interlocking spring mattresses perform well in terms of support and durability, they still have some obvious shortcomings in actual use. First, Figure 1 As shown in the figure, the existing mattresses of this type have the same direction of the upper and lower joints of the springs, which easily leads to uneven force on the entire bed core when it is stressed. Each spring is connected into one by a spiral steel wire, which means that when the mattress is pressed by weight, the force cannot be evenly distributed to each spring, but is concentrated in certain specific spring areas. This situation is particularly obvious during long-term use, such as Figure 2 As shown in the figure, uneven force will gradually accumulate, causing the bed net core to tilt in a certain direction as a whole, and eventually causing the mattress to deform. This not only affects the comfort of the mattress, but also greatly shortens the service life of the mattress, and significantly reduces the user experience.
[0004] Secondly, during the production and transportation of mattresses, the bed net core usually needs to be compressed. However, since the upper and lower joints of the springs are in the same direction, the bed net core is unevenly stressed when compressed, which can easily cause tilting and deformation. During the production process, mattresses are often compressed and packaged to save space and facilitate transportation. However, this compression treatment will aggravate the tilting and deformation of the spring bed net core, resulting in the mattress being deformed and unable to recover when the product reaches the hands of consumers. This deformation not only affects the appearance quality of the mattress, but may also cause the mattress to be unable to return to its original state during use, thereby affecting its use effect and comfort.
[0005] In addition, during the compression and rolling process of the mattress, due to the existence of tilt deformation, such as Figure 3 As shown, the spring core is prone to entanglement. When the mattress is compressed and rolled, the inclined springs may entangle with each other, forming a complex entanglement structure. This entanglement will cause the mattress product to be defective, affecting the product quality and market competitiveness. The entangled spring core is difficult to restore to its original state, further reducing the performance of the mattress. During the transportation of the product, if the spring is wound too tightly, it may also damage the elasticity of the spring, further affecting the service life of the mattress.
[0006] The above shortcomings are mainly caused by the structural design defects of the spring bed mesh core. Since the distance between the closed end of the spiral spring and the adjacent coils is not a constant value, the change of the spiral structure will form a situation where the distance is larger on one side and smaller on the other side. When the spring is subjected to force, the force applied to the side with larger distance is different from the force applied to the side with smaller distance. When the spring is subjected to downward pressure, since all the springs except the edge springs are arranged in the same direction, it is easy to cause extrusion in the same direction, causing irreversible deformation.
[0007] In summary, although the interlocking spring mattress of the prior art simplifies the production process in terms of structural design, it brings problems such as uneven force during use, tilt deformation during compression, and spring entanglement during rolling. Therefore, an improved design is urgently needed to overcome the above-mentioned shortcomings of the prior art and provide a spring bed net core structure that is evenly stressed, not easily deformed, and not easily entangled during compression and rolling, so as to improve the overall performance of the mattress and user experience. Utility Model Content
[0008] The purpose of the present application is to overcome at least one of the shortcomings of the prior art and provide a balanced interlocking spring mattress, which can distribute stress more evenly when the mattress is stressed by alternately arranging the transverse or longitudinal springs in opposite directions, thereby reducing the possibility of tilting and deformation. In addition, it can better maintain balance during compression, reducing the tilting deformation and entanglement problems after compression.
[0009] To achieve the above-mentioned purpose, the present application discloses a balanced force interlocking spring mattress, comprising an interlocking spring core and a covering layer covering the interlocking spring core, wherein the interlocking spring core is composed of a coil spring and a coil steel wire; the two ends of the coil spring are flat, forming an upper closed end and a lower closed end, a plurality of coil springs are arranged in a straight line to form a spring group, and the upper closed ends and the lower closed ends of adjacent spring groups are connected by a coil steel wire; except for the springs located at the edge of the mattress, the other springs in the spring group are arranged alternately in positive and negative directions.
[0010] In some embodiments, the upper and lower ends of the coil spring are bent and adjusted so that the end turns are closely adjacent to one or more adjacent turns to form an upper closed end and a lower closed end.
[0011] In some embodiments, the plurality of coil springs are arranged along the length direction of the mattress to form a spring group, the spring groups located on both sides of the width serve as outer edges, and the coil springs in the spring group are in the same direction.
[0012] In some embodiments, the plurality of coil springs are arranged along the width direction of the mattress to form a spring group.
[0013] In some embodiments,
[0014] Compared with the prior art, the present invention has at least one of the following beneficial effects:
[0015] 1. Balanced force: By alternately arranging the spiral springs in the spring group, the force is evenly distributed, effectively avoiding the tilt deformation in a single direction. This design allows the force to be evenly distributed in the spring group when the mattress is under pressure, thereby improving the overall stability and service life of the mattress.
[0016] 2. Improve comfort: The alternating positive and negative coil springs can better support the weight of the human body, provide uniform support, and enhance the comfort of the mattress. Users can get a better sleeping experience during use.
[0017] 3. Reduce deformation: During the production and transportation process, due to the alternating setting of the springs, the mattress can better maintain balance during compression and rolling, reduce tilting and deformation, and ensure the quality and appearance of the product.
[0018] 4. Extend the service life: The optimized design of the closed end of the spiral spring reduces stress concentration and reduces the risk of damage to the spring due to uneven force, thereby extending the service life of the mattress.
[0019] 5. Diversified design: The spring group can be arranged along the length or width of the mattress as needed, providing more design flexibility to meet the needs of mattresses of different sizes and shapes, and enhancing the adaptability and market competitiveness of the product.
[0020] The above-listed beneficial effects are not exhaustive of all advantages. Other potential beneficial effects and detailed technical implementations will be further disclosed in the examples or other description parts of this application. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] After reading the following detailed description in conjunction with the accompanying drawings, you will better understand the various aspects of the present disclosure. The positions, sizes, and ranges of various structures shown in the accompanying drawings sometimes do not represent the actual positions, sizes, and ranges. In the accompanying drawings:
[0022] Figure 1 It is a schematic diagram of the partial internal structure of a traditional interlocking spring mattress.
[0023] Figure 2 It is a schematic diagram of the local deformation of a traditional interlocking spring mattress when one side is subjected to force.
[0024] Figure 3 It is a schematic diagram of the structure of a traditional interlocking spring mattress with springs connected after compression.
[0025] Figure 4 It is a schematic structural diagram of a chain spring core in an embodiment disclosed in the present application.
[0026] Figure 5 yes Figure 4 Schematic diagram of the local structure in.
[0027] Figure 6 It is a schematic diagram of the structure of a single coil spring.
[0028] Figure 7 It is a structural schematic diagram of a chain spring core in another embodiment disclosed in the present application.
[0029] Figure 8 yes Figure 7 Schematic diagram of the local structure in. DETAILED DESCRIPTION
[0030] The present disclosure will be described below with reference to the accompanying drawings, which illustrate several embodiments of the present disclosure. However, it should be understood that the present disclosure can be presented in a variety of different ways and is not limited to the embodiments described below; in fact, the embodiments described below are intended to make the disclosure of the present disclosure more complete and fully illustrate the scope of protection of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide more additional embodiments.
[0031] It should be understood that the same reference numerals represent the same elements throughout the drawings. In the drawings, the dimensions of certain features may be distorted for clarity.
[0032] It should be understood that the terms used in the specification are only used to describe specific embodiments and are not intended to limit the present disclosure. All terms (including technical terms and scientific terms) used in the specification have the meanings commonly understood by those skilled in the art unless otherwise defined. For the sake of brevity and / or clarity, the techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification.
[0033] The singular forms "a", "said" and "the" used in the specification include plural forms unless clearly indicated. The terms "include", "comprise" and "contain" used in the specification indicate the presence of the claimed features, but do not exclude the presence of one or more other features. The term "and / or" used in the specification includes any and all combinations of one or more of the relevant listed items. Embodiment 1:
[0034] like Figure 4-6 As shown, this embodiment discloses a balanced force interlocking spring mattress, comprising an interlocking spring core 1 and a coating layer (not shown) covering the interlocking spring core 1. The interlocking spring core 1 is composed of a coil spring 2 and a coil steel wire 3.
[0035] like Figure 6 As shown, both ends of the coil spring 2 are flat, forming an upper closed end 201 and a lower closed end 202. A plurality of coil springs 2 are arranged in a straight line to form a spring group 4, and the upper closed ends 201 and the lower closed ends 202 of adjacent spring groups 4 are connected by a spiral steel wire 3.
[0036] Except for the two edge coil springs 2 in the spring group 4, the remaining coil springs 2 are arranged alternately forward and reverse.
[0037] Specifically, the coil spring 2 is made of high-strength spring steel to ensure that it has good elasticity and durability. The processing of the upper closed end 201 and the lower closed end 202 of the coil spring 2 specifically includes the following steps:
[0038] First, the end is bent: the end of the coil spring 2 is polished, and the end and adjacent sections are bent and adjusted so that the end coil is closely adjacent to one or more adjacent coils and then wound on one or more coils. This process ensures that the end coil does not protrude, forming a flat upper closed end 201 and a lower closed end 202, reducing stress concentration and enhancing the durability of the spring.
[0039] Secondly, the coil spring 2 is subjected to heat treatment, including heating, quenching and tempering, to eliminate the internal stress generated during the manufacturing process and enhance the strength and toughness of the material.
[0040] Finally, surface treatment: The coil spring 2 after heat treatment can be subjected to surface treatment, such as electroplating or coating, to enhance its corrosion resistance and wear resistance and extend its service life.
[0041] In this embodiment, if Figure 4 The coil springs 2 of the interlocking spring core 1 are arranged along the length direction of the mattress to form a spring group 4 .
[0042] It should be understood that each coil spring 2 of the spring group 4 at both edges of the mattress width is located at the edge of the mattress, so the orientation of the coil springs 2 in the spring group 4 is consistent.
[0043] To further enhance the comfort and durability of the mattress, the covering layer is made of high-density foam or memory foam. These materials have good cushioning properties and breathability, can effectively disperse pressure and provide additional comfort. The outer surface of the covering layer is made of high-quality fabric material to ensure its durability and aesthetics.
[0044] During use, when a person lies on the mattress, the coil spring 2 is compressed and deformed after being stressed. Since the coil springs 2 in the spring group 4 are arranged alternately in positive and negative directions, the compression force can be evenly distributed to avoid tilting and deformation in a single direction. At the same time, since the spring groups 4 are connected by the spiral steel wire 3, the overall structure of the mattress is more stable, which can provide uniform support and improve the comfort of the user.
[0045] More specifically, when one side of the mattress is stressed, for example, when a person sits on one side of the mattress, the spring group 4 will be subjected to local concentrated pressure. Since the coil springs 2 in the spring group 4 are arranged alternately in positive and negative directions, the pressure can be more evenly distributed in the spring group 4. The positive and negative coil springs 2 offset each other's partial pressure when stressed, reducing the extrusion deformation in a single direction and maintaining the balanced stress on the mattress as a whole. This design avoids excessive deformation on one side of the mattress and improves the stability and comfort of the mattress.
[0046] During compression packaging, the mattress needs to be rolled or compressed into a smaller volume for easy transportation. In this case, the conventional interlocking spring mattress is prone to tilting or spring winding. However, the present embodiment can maintain balance during the compression process by means of the helical springs 2 arranged alternately in positive and negative directions. The helical springs 2 in the spring group 4 are alternately stressed, so that the mattress is not easily tilted or deformed during compression. Even after compression, the mattress can maintain a good shape and structure when it returns to its original state, avoiding the problem of spring winding.
[0047] It can be understood that through the optimized design and reasonable layout of the spiral spring 2 and the spiral steel wire 3, the problems of uneven force, tilt deformation and entanglement during compression and rolling of the existing mattress during use are effectively solved. The mattress can evenly distribute stress when subjected to force, reduce deformation in a single direction, and significantly improve the service life and comfort of the mattress.
[0048] Embodiment 2:
[0049] like Figure 7 and 8 As shown, the difference between this embodiment and embodiment 1 is that the coil springs 2 of the interlocking spring core 1 are arranged along the width direction of the mattress to form a spring group 4. Each spring group 4 is also composed of a plurality of coil springs 2 connected by a spiral steel wire 3. This arrangement can enhance the support force in the width direction of the mattress, and the above arrangement achieves the same technical effect and purpose as the embodiment.
[0050] Although the exemplary embodiments of the present disclosure have been described, it should be understood by those skilled in the art that various changes and modifications can be made to the exemplary embodiments of the present disclosure without departing from the spirit and scope of the present disclosure in essence. Therefore, all changes and modifications are included in the scope of protection of the present disclosure as defined by the claims. The present disclosure is defined by the appended claims, and the equivalents of these claims are also included.
Claims
1. A balanced force interlocking spring mattress, characterized in that: include: An interlocking spring core and a coating layer covering the interlocking spring core, wherein the interlocking spring core is composed of a coil spring and a coil steel wire; the two ends of the coil spring are flat, forming an upper closed end and a lower closed end, a plurality of coil springs are arranged in a straight line to form a spring group, and the upper closed ends and the lower closed ends of adjacent spring groups are connected by a coil steel wire; except for the springs located at the edge of the mattress, the other springs in the spring group are arranged alternately in positive and negative directions.
2. A balanced force interlocking spring mattress as claimed in claim 1, characterized in that: The upper and lower ends of the coil spring are bent and adjusted so that the end turns are closely adjacent to one or more adjacent turns to form an upper closed end and a lower closed end.
3. A balanced force interlocking spring mattress as claimed in claim 1, characterized in that: A plurality of coil springs are arranged along the length direction of the mattress to form a spring group.
4. A balanced force interlocking spring mattress as claimed in claim 1, characterized in that: A plurality of coil springs are arranged along the width direction of the mattress to form a spring group.