A spring structure, a bed net structure, a mattress and a bedding

Abstract

The utility model discloses a spring structure, bed net structure, mattress and bedding belongs to furniture technical field, and spring structure includes the upper support section, interconnection section and main support section who sets in turn from top to bottom along the self axial direction, and the upper support section is constituted by the first ring body of at least two continuous of spring structure top, and the waist diameter of first ring body is D1, and the interconnection section is constituted by the second ring body of immediately adjacent upper support section, and the waist diameter of second ring body is D2, and the main support section is constituted by the third ring body of remaining below interconnection section, and the waist diameter of third ring body is D3, and bed net structure includes spring group and connecting structure, and every spring group includes a plurality of spring structures, and connecting structure is used to connect the multiple spring structures of same spring group into planar array, and in every spring group, the radial outermost edge of the interconnection section of any spring structure is projected on the projection of horizontal plane and at least partially stretches into the annular gap between adjacent spring structure. The mattress includes the above bed net structure. The bedding includes the above mattress.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, and in particular to a spring structure, a bed net structure, a mattress, and bedding. Background Technology

[0002] Mattresses are an important part of bedding used for lying and resting in daily life. The mattress mesh, as the core support component of the mattress, provides support for the body and ensures sleep comfort. The mattress mesh is usually made of springs.

[0003] In existing technologies, the spring structures constituting a bed frame mainly fall into two categories: monolithic spring structures and individually pocketed springs. While monolithic spring structures provide overall rigid support, they are prone to generating noise during use, and when one spring is stressed, it can trigger the surrounding springs, affecting the user's sleep experience. On the other hand, individually pocketed spring structures effectively resist interference, allowing each spring to work independently and reducing mutual influence between adjacent springs, but they can experience localized sagging.

[0004] The root cause of the above problems lies in the overly simplistic and fixed mechanical transmission method of existing spring structures. The whole-net spring structure uses a rigidly interconnected mechanical transmission method, resulting in excessively strong inter-spring linkage; while the independent pocket spring structure uses a nearly completely isolated mechanical transmission method, leading to insufficient local support. Utility Model Content

[0005] The purpose of this utility model is to provide a spring structure, bed net structure, mattress and bedding to solve the technical problem that the mechanical transmission mode of the spring structure in the prior art is too simple and fixed, and lacks a mechanism to adaptively adjust its own support characteristics and dynamically adjust its cooperative relationship with other springs according to the actual stress state.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] Firstly, this utility model provides a spring structure, which includes an upper support section, an interconnecting section, and a main support section arranged sequentially from top to bottom along its own axial direction;

[0008] The upper support section is composed of at least two consecutive first rings at the top of the spring structure, and the waist diameter of the first ring is D1.

[0009] The interconnecting segment is composed of a second ring body adjacent to the upper support segment, and the waist diameter of the second ring body is D2;

[0010] The main support section is composed of the remaining third ring below the interconnecting section, and the waist diameter of the third ring is D3;

[0011] Wherein, D1 is less than D3, and D3 is less than D2.

[0012] Preferably, the total number of rings in the spring structure is not less than five.

[0013] Preferably, the difference between D1 and D3 is 3% to 5% of D3.

[0014] Preferably, the difference between D2 and D3 is 7% to 10% of D3.

[0015] Secondly, this utility model provides a bed net structure, which includes:

[0016] Multiple spring groups, each spring group comprising multiple of the above-described spring structures;

[0017] A connecting structure is used to connect multiple spring structures of the same spring group into a planar array, wherein the axial directions of each spring structure are parallel to each other;

[0018] In each of the spring groups, the outermost radial edge of the interconnecting segment of at least one of the spring structures is projected onto the horizontal plane at least partially into the annular gap between adjacent spring structures.

[0019] Preferably, for at least one of the spring structures in the spring group, the projection of the outermost radial edge of the interconnecting segment onto the horizontal plane is configured to extend into the first contact position or the second contact position of the plurality of adjacent spring structures, respectively.

[0020] The first contact position is located in the annular gap between the upper support section and the interconnecting section of the spring structure; the second contact position is located in the annular gap between the interconnecting section and the main support section of the spring structure.

[0021] Preferably, in the same spring group, the multiple spring structures are at least divided into a central spring and multiple peripheral springs surrounding the central spring; the interconnecting segments of the central spring extend into the first contact position of a portion of the peripheral springs and the second contact position of another portion of the peripheral springs, and the two portions of the peripheral springs are equal in number and symmetrically arranged about the central spring.

[0022] Preferably, the connection point of two adjacent spring structures is located in the interconnection segment.

[0023] Thirdly, this utility model provides a mattress, characterized in that the mattress includes the above-mentioned bed net structure.

[0024] Fourthly, the present utility model provides a bedding, characterized in that the bedding comprises the above-mentioned mattress.

[0025] Beneficial effects of the present utility model:

[0026] For the spring structure proposed by the present utility model, the spring structure is axially divided into an upper support section, an interconnection section and a main support section with different waist diameters, so that the waist diameter relationship presents the characteristic of D1<D3<D2, which enables the spring structure to achieve staged and cooperative support characteristics. Specifically, the waist diameter of the upper support section is small, so that the upper support section has good compliance, can preferentially fit the human body curve, and provide an initial, more fitting soft support. The main support section has a larger waist diameter and is responsible for providing main and stable supporting force, which ensures the overall support strength of the spring structure. The interconnection section with the largest waist diameter is located between the upper support section and the main support section. The increased diameter of the interconnection section not only plays a role of transition and buffering in mechanics, but also, when the spring structure bears a load, the interconnection section can serve as a transmission part, and provides a moderate, non-rigid mechanical transmission path between adjacent spring structures on the basis of independent support, so that the spring structure can dynamically adjust the cooperative relationship between itself and surrounding spring structures according to the actual stress state.

[0027] Further, by combining and connecting the plurality of above-mentioned spring structures into a planar array to form a spring set, and arranging them in a specific spatial arrangement, that is, making the projection of the radially outermost edge of the interconnection section of any spring structure on the horizontal plane at least partially extend into the annular gap between adjacent spring structures, so that the spring set forms a mutually meshed lever system through a plurality of spring structures, which can convert the vertical load applied to a local spring structure into the pull-down and upward pushing effect on adjacent spring structures through the lever action of the interconnection section, thereby realizing that the vertical load is jointly shared by the entire spring set, and effectively avoiding local stress concentration and sagging. The interlocking network formed by the spring set through the interconnection sections makes the movement of any spring structure restricted and coordinated by a plurality of surrounding spring structures, which not only improves the overall stability and anti-sagging capability of the bed net, but also attenuates the longitudinal transmission of energy due to the direction conversion of force and the damping effect in the system, and realizes the motion isolation performance. In addition, the present utility model changes the possible interaction between the spring structures from random collision to controlled flexible contact by means of the contact mode where the interconnection section extends into the annular gap of the adjacent spring structures, so that while realizing effective mechanical linkage, the problem of spring collision noise common in traditional independent pocket springs is reduced. Description of Drawings

[0028] Figure 1 is a front view of the spring structure provided in the first embodiment of the present utility model;

[0029] Figure 2This is a schematic diagram of the spring structure provided in Embodiment 1 of this utility model;

[0030] Figure 3 This is a partial structural schematic diagram of the bed net structure provided in Embodiment 1 of this utility model;

[0031] Figure 4 This is a partial front view of the bed net structure provided in Embodiment 2 of this utility model;

[0032] Figure 5 This is a partial top view of the bed net structure provided in Embodiment 2 of this utility model.

[0033] In the picture:

[0034] 1. Upper support section; 2. Interconnection section; 3. Main support section. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0036] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In the description of this utility model, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0039] Example 1

[0040] See Figure 1 and Figure 2 , the spring structure provided by the embodiment of the utility model comprises an upper support section 1, an interconnection section 2 and a main support section 3 which are sequentially arranged from top to bottom along the axial direction of the spring structure. The upper support section 1 is composed of at least two consecutive first ring bodies at the top of the spring structure, and the waist diameter of the first ring body is D1; the interconnection section 2 is composed of a second ring body adjacent to the upper support section 1, and the waist diameter of the second ring body is D2; the main support section 3 is composed of a remaining third ring body below the interconnection section 2, and the waist diameter of the third ring body is D3; wherein D1 is smaller than D3, and D3 is smaller than D2.

[0041] The spring structure proposed by the utility model divides the spring structure in the axial direction into an upper support section 1, an interconnection section 2 and a main support section 3 with different waist diameters, and enables the waist diameter relationship to present the characteristic of D1 < D3 < D2, so that the spring structure realizes staged and synergistic support characteristics. Specifically, the waist diameter of the upper support section 1 is small, so that the upper support section 1 has good compliance, can preferentially fit the curve of the human body, and provides a preliminary, more fitting soft support. The waist diameter of the main support section 3 is relatively large, which is responsible for providing the main and stable supporting force, ensuring the overall supporting strength of the spring structure. The interconnection section 2 with the largest waist diameter is located between the upper support section 1 and the main support section 3. The increased diameter of the interconnection section 2 not only plays a role of transition and buffering mechanically, but also, when the spring structure bears a load, the interconnection section 2 can be used as a transmission part, providing an appropriate and non-rigid mechanical transmission path between adjacent spring structures on the basis of independent support, so that the spring structure can dynamically adjust the cooperative relationship between itself and surrounding spring structures according to the actual stress state.

[0042] The specific structure and working principle of the spring structure are described in detail below.

[0043] The spring structure is an integrally formed helical spring, and the whole spring structure is sequentially divided into an upper support section 1, an interconnection section 2 and a main support section 3 from top to bottom along its own axial direction.

[0044] Specifically, the upper support section 1 is composed of at least two consecutive first ring bodies at the top of the spring structure, and the waist diameter thereof is D1. The interconnection section 2 is immediately below the upper support section 1, and is composed of at least one second ring body with a waist diameter D2. The main support section 3 is composed of all remaining third ring bodies below the interconnection section 2, and the waist diameter thereof is D3. The relationship between the ring diameters of the three sections is designed as: D1 < D3 < D2. Through the above specific ring diameter proportion design, in particular, setting the waist diameter D2 of the interconnection section 2 to be larger than the waist diameter D3 of the main support section 3 makes the interconnection section 2 more prominent in the radial direction, which provides a structural basis for subsequent cooperative interaction in the bed net structure. Meanwhile, this design increases the initial gap between the interconnection section 2 and the corresponding ring bodies of adjacent spring structures, and reduces the probability of unexpected direct collision.

[0045] To ensure sufficient stroke and stability of the spring structure, the total number of rings in the spring structure of this invention is not less than five. Under this premise, the number of rings in the main support section 3 is the total number of rings in the spring structure minus the sum of the number of rings in the upper support section 1 and the interconnecting section 2.

[0046] For example, when the total number of rings in the spring structure is five, the upper support section 1 has two rings, the interconnecting section 2 has one ring, and the main support section 3 has two rings; when the total number of rings in the spring structure is six, the upper support section 1 has two rings, the interconnecting section 2 has one ring, and the main support section 3 has three rings; when the total number of rings in the spring structure is seven, the upper support section 1 has two rings, the interconnecting section 2 has one ring, and the main support section 3 has four rings.

[0047] The above examples illustrate specific ring number allocation schemes for spring structures with a total number of five, six, and seven rings. In other embodiments of this invention, the total number of rings in the spring structure can also be eight or more, and the ring number allocation of the upper support section 1, interconnecting section 2, and main support section 3 can be adaptively adjusted accordingly. As long as the quantitative relationship is maintained that the upper support section 1 consists of at least two continuous rings, the interconnecting section 2 consists of at least one ring, and the main support section 3 consists of at least two rings, the specific number of rings in the spring structure is not limited here.

[0048] Regarding the specific relationship between the ring diameters at different positions of the spring structure, the waist diameter D1 of the first ring is designed to be smaller than the waist diameter D3 of the third ring, so that the upper support section 1 has less rigidity than the main support section 3, thereby exhibiting better flexibility and fit in the initial stage of bearing load, and providing a more comfortable initial feel.

[0049] However, the stiffness of a spring is closely related to its diameter. If D1 is too small, the stiffness of the upper support section 1 will increase sharply, which contradicts the original design intention and will make the section too stiff, failing to achieve the expected gentle sensing effect.

[0050] To achieve the optimal balance between ensuring compliance and avoiding a surge in stiffness, in this embodiment, the difference between D1 and D3 is limited to 3% to 5% of D3. This ensures that the upper support segment 1 achieves the improved compliance resulting from the reduced diameter while minimizing the adverse consequences of increased stiffness caused by an excessively small diameter.

[0051] Meanwhile, to ensure that the interconnecting segment 2 can generate an effective and stable interaction with the adjacent spring structure when under force, and play the role of a reliable lever fulcrum, the difference between D2 and D3 is 7% to 10% of D3. This ensures that the length of the outermost protruding part of the interconnecting segment 2 can maintain stability and effectiveness when it extends into the annular gap of other adjacent spring structures, preventing the interconnecting segment 2 from falling off or making poor contact, which would result in it failing to play an effective supporting role.

[0052] Based on the segmented design of the spring structure and the specific ring diameter and number of rings in each segment, the mechanical properties of each functional segment exhibit a gradient change, as detailed below:

[0053] The formula for the stiffness of a spring structure is:

[0054]

[0055] Where G represents the elastic modulus of the spring material, d represents the wire diameter of the spring, D represents the waist diameter of the spring, n represents the effective number of coils of the spring, and k represents the stiffness of the spring.

[0056] For ease of analysis, it is assumed that the elastic modulus G of the spring material and the wire diameter d of the spring remain consistent throughout the spring. Therefore, the stiffness difference between different sections of the spring structure mainly depends on the synergistic effect of its waist diameter D and the number of effective coils n.

[0057] For the upper support segment 1, its waist diameter D1 is at its minimum, while the effective number of coils n is fixed at two. The waist diameter D1 directly affects the stiffness in an inverse cubic relationship, with smaller values ​​tending to increase the stiffness of this segment. At the same time, the fixed and limited number of coils further restricts the possibility of reducing stiffness by increasing the number of coils. Under the combined influence of these two factors, the upper support segment 1 exhibits the highest stiffness in the entire spring structure. Thus, when subjected to initial pressure, the upper support segment 1 can provide a rapid and solid initial response, playing a role in quick sensing and initial support.

[0058] For interconnecting segment 2, its waist diameter D2 is at its maximum, while the effective number of coils n is fixed at one. Although a single number of coils tends to increase stiffness, the maximum waist diameter D2, due to the cubic effect, reduces the stiffness of interconnecting segment 2. Therefore, interconnecting segment 2 exhibits the lowest stiffness in the entire spring structure, becoming the softest and most easily deformable part. Furthermore, the single number of coils in interconnecting segment 2 ensures that deformation occurs concentratedly and rapidly, rather than as a gradual process over a long period, thus ensuring that interconnecting segment 2 functions as a lever in the spring structure.

[0059] For the main support segment 3, its waist diameter D3 is between D1 and D2, and the effective number of coils is the total number of coils in the spring structure minus three, but not less than two. Its moderate waist diameter D3 places it at an intermediate level between the upper support segment 1 and the interconnecting segment 2 in terms of cubic efficiency, while the larger number of effective coils reduces the overall stiffness of the main support segment 3. Therefore, the stiffness of the main support segment 3 is between that of the upper support segment 1 and the interconnecting segment 2. More importantly, because the main support segment 3 has the most coils, it not only provides moderate support force but also exhibits high compliance and large deformation stroke, responsible for providing the main body with linear and durable support.

[0060] In summary, the spring structure of this invention, through its unique three-segment design, ensures that the stiffness of each functional segment exhibits a clear relationship of k1>k3>k2. This non-uniform, gradient stiffness distribution achieves the effects of rapid initial response, gentle main support, and efficient collaborative interconnection.

[0061] Wherein, k1 is the stiffness of the upper support segment 1, k2 is the stiffness of the interconnection segment 2, and k3 is the stiffness of the main support segment 3.

[0062] Example 2

[0063] Embodiment 2 of the present invention provides a bed net structure. This bed net structure integrates multiple spring structures as in Embodiment 1 and arranges them in a specific spatial manner, thereby optimizing the overall support performance and constructing a collaborative working mechanism.

[0064] See Figure 3 and Figure 4 The bed frame structure includes multiple spring groups and connecting structures. Each spring group contains multiple spring structures. The connecting structures can employ conventional methods in the art, such as adhesive bonding, hot-melt welding, ultrasonic welding, or individual straps, to connect multiple spring structures within the same spring group into a planar array and ensure that the axial directions of all spring structures remain parallel to each other.

[0065] The bed net structure is implemented as follows: First, multiple spring structures with the same direction are connected horizontally using a connecting structure to form a spring array. Then, on the bed net assembly equipment, the formed spring arrays are pushed in sequentially and arranged neatly. After being arranged in place, adhesive is used again to fix adjacent spring arrays at their connection points, thus forming a complete, rigid spring assembly.

[0066] Following this, a global prestress is applied to the spring assembly. Then, the prestressed spring assembly is placed into a non-woven fabric bag, and the edges of the non-woven fabric are sealed using a process such as ultrasonic welding. Through the arrangement and combination of multiple spring assemblies, the bed net structure is finally formed.

[0067] It should be noted that, whether within a spring row or between rows, the connection point between two adjacent spring structures is located at the interconnection section 2 of each spring structure.

[0068] Because the main support section 3 has a large number of effective coils and is relatively flexible, a certain degree of relative displacement is allowed between the connection points under stress. This design not only ensures the integrity of the overall bed net structure but also helps absorb and attenuate vibration energy and better adapt to load changes in different areas, thereby improving the dynamic comfort and structural stability of the bed net. This method of first connecting them into a whole, then applying prestress and encapsulating them as a whole helps to ensure the accuracy and stability of the initial relative position between the springs.

[0069] In each spring group, the outermost radial edge of the interconnecting segment 2 of at least one spring structure is projected onto the horizontal plane and at least partially extends into the annular gap between adjacent spring structures.

[0070] Specifically, for at least one spring structure in the spring assembly, the projection of the outermost radial edge of the interconnecting segment 2 onto the horizontal plane is configured to extend into the first contact position or the second contact position of the multiple adjacent spring structures respectively; wherein, the first contact position is located in the annular gap between the upper support segment 1 and the interconnecting segment 2 of the spring structure; and the second contact position is located in the annular gap between the interconnecting segment 2 and the main support segment 3 of the spring structure.

[0071] Furthermore, in the same spring group, the multiple spring structures are at least divided into a central spring and multiple peripheral springs surrounding the central spring; the interconnecting segments 2 of the central spring extend into the first contact position of a portion of the peripheral springs and the second contact position of another portion of the peripheral springs, and the two portions of peripheral springs are equal in number and symmetrically arranged about the central spring.

[0072] See Figure 5 Taking a spring group with five springs as an example, we will elaborate on its linkage effect and mechanical transmission process. The spring group includes a central spring (hereinafter referred to as "spring A" for convenience) and four peripheral springs arranged around the central spring (for convenience, along the horizontal direction, the four peripheral springs are located in front of, to the right of, behind and to the left of the central spring, and are referred to as "spring B", "spring C", "spring D" and "spring E" respectively).

[0073] The outermost radial edge of the interconnecting segment 2 of spring A, projected onto the horizontal plane, extends into specific annular gaps of different surrounding springs. Specifically, the interconnecting segment 2 of spring A extends into the first contact position between the spring B in front of it and the spring C to its right; simultaneously, the interconnecting segment 2 of spring A also extends into the second contact position between the spring D behind it and the spring E to its left. With this arrangement, the springs primarily interact and make contact through their interconnecting segments 2. This design does not completely prevent contact between springs, but rather limits the possible contact area to specific annular gaps between the interconnecting segment 2 and adjacent springs, such as between the first or second contact positions. This contact is a planned, controlled surface or line contact, rather than the random, uncontrollable point contact at the annular edges of traditional structures. This controlled contact reduces the sharp sounds and frictional noise of metal-on-metal collisions. Furthermore, because the contact occurs at specific positions and in specific directions during spring deformation, the resulting stress is more easily absorbed and dissipated by the spring structure itself, thus reducing the overall noise level.

[0074] When the bed frame structure is subjected to load, its linkage effect occurs. For example, when spring A is subjected to a downward vertical pressure, its interconnecting segment 2 will deform and displace. Since the interconnecting segment 2 of spring A has extended into the first contact position of springs B and C, this displacement will exert a downward pressure on the interconnecting segment 2 of springs B and C. This action will cause springs B and C to tilt towards the side where spring A is located. Consequently, the side of springs B and C away from spring A will tend to tilt upward. This upward tilt will push up other adjacent springs (for example, spring B pushes up the spring to its left, and spring C pushes up the spring below it), subjecting these spaced springs to an upward preload force.

[0075] Conversely, if spring E to the left of spring A is compressed and sinks, its connecting segment 2 will touch the connecting segment 2 of spring A. The horizontal force generated by this contact will create a torque, forcing spring A to bend and tilt laterally in the direction of spring E (to the left). Accordingly, the side of spring A away from spring E (to the right) will tilt upwards and may touch the lower surface of the connecting segment 2 of its adjacent spring D to the right.

[0076] In summary, through the spatially interlaced design of the interconnected segments 2 described above, the bed net structure of this utility model constructs an overall, dynamic lever network. The localized force on any single spring structure can be effectively dispersed and transmitted through the interaction between its interconnected segments 2 and adjacent spring structures at specific contact points. This transmission is not a simple rigid linkage, but rather, through the lever principle of "downward pressure → downward pull → upward push," it transforms vertical pressure into a systematic preload and coordinated support for the surrounding spring system. This enhances the overall stability of the bed net structure, its resistance to localized sinking, and its motion isolation performance, while ensuring rapid and consistent support response.

[0077] It is understood that the above description uses a partial system comprising one central spring and four peripheral springs as an example, but this is merely illustrative and not intended to limit the scope of protection of this utility model. In other embodiments of this utility model, the size of the spring group can be flexibly adjusted; for example, it can be a larger, denser spring group composed of six, seven, eight, nine, or more spring structures. Furthermore, the positions of the central spring and peripheral springs are not absolutely fixed; in complex bed net structures, a spring structure can function as a central spring in one local cooperative relationship and simultaneously as a peripheral spring for other central springs in another cooperative relationship, thus forming a multi-level, networked interconnected structure. All possible permutations and combinations will not be elaborated upon here.

[0078] Based on the specific arrangement of the above-mentioned bed net structure, its mechanical behavior under external load exhibits a clear and coordinated three-stage characteristic. These stages are dominated by different functional segments of the spring structure, which will be elaborated in detail below.

[0079] Phase 1: Instantaneous rigid support phase.

[0080] This stage is dominated by the upper support section 1. The moment the body contacts the bed surface, the load is first applied to the upper support section 1 of each spring structure. Because of its maximum stiffness, the upper support section 1 provides immediate and solid reaction force despite only undergoing slight deformation, effectively preventing excessive initial sinking of key body parts (such as the hips and shoulders) and providing rapid and stable initial support for the spine. Simultaneously, since the waist diameter D1 of the upper support section 1 is smaller than the waist diameter D3 of the main support section 3, and the connecting structures in the bed net structure are typically fixed to the main support sections 3 of each spring, there is an initial gap between the upper support sections 1 of adjacent spring structures. Therefore, in the early stages of compression deformation, misalignment friction between the upper support sections 1 of adjacent spring structures is less likely to occur, which helps to reduce the generation of spring-striking noises from the outset.

[0081] Phase Two: The Phase of Linkage and Force Dispersion.

[0082] As pressure increases, the load is transferred to interconnecting segment 2. Because of its lowest stiffness, interconnecting segment 2 acts like a flexible joint, undergoing concentrated radial deformation. At this point, interconnecting segment 2 of the spring structure comes into contact with and interacts with the portion extending into the annular gap of the adjacent spring structure. This contact effectively distributes the local load to the adjacent spring structure, avoiding excessive stress concentration and reducing the risk of localized sagging of the bed net structure. Simultaneously, because this interconnection is based on flexible contact through geometric deformation, rather than a rigid connection, it effectively isolates the transmission of motion interference, preserving the excellent anti-interference characteristics of the individual pocket springs. Furthermore, the low stiffness and few coils of interconnecting segment 2 ensure a smooth and direct linkage process, avoiding a harsh impact sensation.

[0083] Phase 3: Deep Linear Support Phase.

[0084] As the load continues to increase, main support segment 3 begins to assume the main support function. Main support segment 3 has a medium waist diameter D3 and the highest number of effective coils. The higher number of effective coils allows main support segment 3 to generate a larger deformation stroke under load and possesses stronger energy absorption capacity. Therefore, main support segment 3 can handle deeper displacements and heavier loads, providing a smooth, progressive, and highly enveloping sustained support experience, ensuring that the bed net structure does not experience insufficient overall support after the response of the first two stages.

[0085] In summary, the force-displacement curve of a single spring in this bed net structure exhibits a typical three-segment characteristic: an initial high-slope zone (high stiffness), contributed by the upper support segment 1, corresponding to rapid, instantaneous hard support; a middle low-slope zone (low stiffness), contributed by the interconnecting segment 2, corresponding to timely linkage triggering and effective force dispersion; and a subsequent medium-slope linear zone (medium stiffness), contributed by the main support segment 3, corresponding to stable, large-stroke depth support. This segmented, coordinated mechanical response achieved through structural design allows the bed net structure of this invention to simultaneously achieve rapid initial support, excellent anti-interference performance, efficient force dispersion, and stable depth support, comprehensively improving sleep comfort and support stability.

[0086] Example 3

[0087] This embodiment provides a mattress. The mattress includes the mesh structure described in Embodiment 2. This mesh structure, as the core support of the mattress, provides it with fundamental mechanical properties such as dynamic adaptation, synergistic support, and excellent motion isolation.

[0088] In actual products, the upper and lower surfaces of the mattress structure are usually covered with filling layers of different materials and functions, such as sponge, memory foam, coconut fiber, and wool felt. Finally, the mattress is wrapped with outer covering materials such as knitted fabric and jacquard fabric to form a complete mattress product that provides a comfortable sleeping experience.

[0089] Because the mattress in this embodiment uses the aforementioned bed mesh structure with a unique interconnection mechanism, it can effectively improve the problems of linkage interference, local sinking and abnormal noise that are prone to occur in traditional mattresses, and bring users a sleep experience with excellent support, continuity and quietness.

[0090] Example 4

[0091] This embodiment provides a bedding set. The bedding set includes the mattress provided in Embodiment 3. It is understood that the bedding set provided in this embodiment is a broad concept, generally referring to furniture and household items used for sleeping, resting, or lying down. Therefore, the bedding set can be, but is not limited to, common household mattresses, combinations of bed frames and mattresses, tatami mats, or the reclining portion of sofas, sofa beds, and other furniture that can be used for sitting or lying down. By integrating the mattress of this utility model, the bedding set can inherit and leverage all its technological advantages, ultimately providing users with stable, comfortable, and healthy support in various rest scenarios.

[0092] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A spring structure, characterized in that, include: The upper support section (1), the interconnection section (2) and the main support section (3) are arranged sequentially from top to bottom along their own axis. The upper support section (1) is composed of at least two continuous first rings at the top of the spring structure, and the waist diameter of the first ring is D1; The interconnecting segment (2) is composed of a second ring body adjacent to the upper support segment (1), and the waist diameter of the second ring body is D2; The main support section (3) is composed of the remaining third ring body below the interconnecting section (2), and the waist diameter of the third ring body is D3; Wherein, D1 is less than D3, and D3 is less than D2.

2. The spring structure according to claim 1, characterized in that, The total number of rings in the spring structure is not less than five.

3. The spring structure according to claim 1, characterized in that, The difference between D1 and D3 is 3% to 5% of D3.

4. The spring structure according to claim 1, characterized in that, The difference between D2 and D3 is 7% to 10% of D3.

5. A bed net structure, characterized in that, include: Multiple spring groups, each spring group comprising multiple spring structures as described in any one of claims 1-4; A connecting structure is used to connect multiple spring structures of the same spring group into a planar array, wherein the axial directions of each spring structure are parallel to each other; In each of the spring groups, the outermost radial edge of the interconnecting segment (2) of at least one of the spring structures is projected onto the horizontal plane at least partially into the annular gap between adjacent spring structures.

6. The bed net structure according to claim 5, characterized in that, For at least one of the spring structures in the spring group, the projection of the outermost radial edge of the interconnecting segment (2) onto the horizontal plane is configured to extend into the first contact position or the second contact position of the plurality of adjacent spring structures respectively; The first contact position is located in the annular gap between the upper support section (1) and the interconnecting section (2) of the spring structure; the second contact position is located in the annular gap between the interconnecting section (2) and the main support section (3) of the spring structure.

7. The bed net structure according to claim 6, characterized in that, In the same spring group, the multiple spring structures are at least divided into a central spring and multiple peripheral springs surrounding the central spring; the interconnecting segment (2) of the central spring extends into the first contact position of a portion of the peripheral springs and the second contact position of another portion of the peripheral springs, and the two portions of the peripheral springs are equal in number and symmetrically arranged about the central spring.

8. The bed net structure according to claim 5, characterized in that, The connection point between two adjacent spring structures is located in the interconnection segment (2).

9. A mattress, characterized in that, The mattress includes the bed net structure as described in any one of claims 5-8.

10. A type of bedding, characterized in that, The bedding includes the mattress as described in claim 9.

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