Elastic module and elastic pad for furniture

Abstract

1 Abstract The present disclosure provides a spring module for a spring cushion of furniture and a spring cushion having the same, the spring module may comprise a spring and a spring bracket for accommodating the conical spring, and the spring bracket may comprise a base, an end cover 5 and a flexible connecting part connected therebetween, the spring may be fixed in the spring bracket with a predetermined initial pressure. The present disclosure further relates to a spring cushion having the spring module. Abstract The present disclosure provides a spring module for a spring cushion of furniture and a spring cushion having the same, the spring module may comprise a spring and a spring bracket for 5 accommodating the conical spring, and the spring bracket may comprise a base, an end cover and a flexible connecting part connected therebetween, the spring may be fixed in the spring bracket with a predetermined initial pressure. The present disclosure further relates to a spring cushion having the spring module. 1 20 24 22 00 02 24 S ep 2 02 4 A b s t r a c t 2 4 S e p 2 0 2 4 5 2 0 2 4 2 2 0 0 0 2

Description

[00285] Figs. 32L and 32M exemplarily show spring modules with the base and the end cover of which can be snapped together according to other preferred embodiments of the present 15 disclosure, respectively, wherein the spring module shown in Fig. 32L has a spring bracket 120b in which three springs can be accommodated, and the spring bracket 120b comprises a base 121b and an end cover 122b in which three springs can be accommodated, and the spring module shown in Fig. 32M has a spring bracket 120c in which four springs can be accommodated, and the spring bracket 120c comprises a base 121c and an end cover 122c in 20 which four springs can be accommodated. The bottom surfaces of the bases 121a, 121b and 121c of the spring modules as described above may also be provided with module mounting parts 1213a for detachably mounting the spring modules into the spring cushions. Preferably, the module mounting part 1213a is a slideway or a slide rail, so that the base of the spring module may be slidably assembled onto the mounting rack in the spring cushion. Furthermore, 25 the spring brackets 120a, 120b and 120c may be integrally formed. More preferably, the spring is installed in the spring bracket with a predetermined initial compression force. Alternatively, the base may be provided with an opening 1211a at the center of which, and the end cover may be provided with an opening 1221a at the center of which.

[00286] Figs. 33A-33F exemplarily show a spring module as well as its components 30 according to another preferred embodiment of the present disclosure, in which a base and an end cover can be snapped together. As shown in the figures, the spring module comprises a base 12Id, an end cover 122d and a spring bag. The base 12Id comprises a pair of first locking mechanisms 121 Id provided at the periphery of which, and the end cover 122d 2024220002   24 Sep 2024 comprises a pair of second locking mechanisms 122Id provided at the periphery of which. The spring bag is removably fixed between the base 12Id and the end cover 122d, each spring bag comprises a spring IlOf and a flexible sleeve 123d encompassing the spring. The base 12Id and the end cover 122d may be releasably snapped together by the first locking 5 mechanism 121 Id and the second locking mechanism 122Id to compress the spring bag between the base and the end cover. Preferably, the spring is enclosed in the flexible sleeve 123d with a predetermined initial compression force. Although the spring shown in the figures is a convex spring with a convex center, those skilled in the art may realize that the spring may also be a cylindrical spring or a concave spring with a concave center. The locking 0 mechanisms 121 Id, 1221d will be described in detail below with reference to Figs. 33E-33G, as shown in the figures, the pair of first locking mechanisms 121 Id extend outward from the base 12Id along the radial direction, and each first locking mechanism comprises a first protrusion 12112d located between the first locking mechanism 121 Id and the base 12Id. The pair of second locking mechanisms 122Id extend outward from the end cover 122d along the 15 radial direction, and each second locking mechanism comprises a spring tongue part 1221 Id capable of moving toward and away from the end cover 122d, and a second protrusion 12212d located outside the tongue part. And the second protrusion 12212d may engage with the first protrusion 12112d so as to lock the base with the end cover. The second protrusion 12212d may be disengaged from the first protrusion 12112d as the tongue part 1221 Id moves 20 toward the end cover, thereby releasing the end cover from the base. Preferably, each first locking mechanism 121 Id further comprises a notch 121 lid, which is located in the middle of the first locking mechanism, so that a user may press the tongue part 1221 Id toward the end cover through the notch 121 lid thus releasing the end cover.

[00287] Fig. 33H exemplarily shows a spring module according to another preferred 25 embodiment of the present disclosure in which the base and the end cover can be locked together, and Fig. 331 shows the compressed configuration of the spring module, as shown in the figures, unlike the spring module shown in Figs. 33A-33G, the spring module comprises a base 12 le and an end cover 122e in which four spring bags can be accommodated. Similarly, the base 121e comprises a pair of first locking mechanisms 121 le provided at the periphery of 30 which and the end cover 122e comprises a pair of second locking mechanisms 1221e provided at the periphery of which. The spring bags are detachably fixed between the base 12le and the end cover 122e, and the base 12le and the end cover 122e may be releasably locked together through the first locking mechanism 121 le and the second locking 2024220002   24 Sep 2024 mechanism 1221e so as to compress the spring bags between the base and the end cover. The first pair of locking mechanisms 121 le extend outward from the base 12le along the radial direction, and each first locking mechanism comprises a first protrusion 12112e positioned between the first locking mechanism 121 le and the base 121e. The pair of second locking 5 mechanisms 1221e extend outward from the end cover 122e along the radial direction, and each second locking mechanism comprises a spring tongue part 1221e capable of moving toward and away from the end cover 122e, and a second protrusion 12212e positioned outside the tongue part. The second protrusion 12212e may engage with the first protrusion 12112e in order to lock the base and the end cover together. The second protrusion 12212e may be 0 disengaged from the first protrusion 12112e as the tongue part 1221 le move towards the end cover, thereby releasing the end cover from the base.

[00288] Figs. 33J-33L exemplarily show a condition when a plurality of the spring modules shown in Figs. 33A or 33H are connected in rows through flexible bottom pads 60a, 60b and 60c, as shown in the figures, the spring modules are fixed on a first surface of the flexible 15 bottom pad, and the flexible bottom pad may be bent to allow a first part of a second surface of which opposite to the first surface to engage with a second part of the second surface, as shown in Figs. 33M, 33N. Fig. 33P exemplarily shows a spring cushion having the spring modules as well as the flexible bottom pads 60b or 60c shown in Fig. 33L.

[00289] Fig. 34A exemplarily shows a spring module with a base and an end cover of which 20 may be locked together according to another preferred embodiment of the present disclosure. Figs. 34B-34D illustrate a perspective view, a top view and a side view of the base of the spring module shown in Fig. 34A, and Figs. 34E, 34F illustrate a perspective view and a top view of the end cover of the spring module shown in Fig. 34A, respectively. As shown in the figures, the spring module comprises a spring IlOe, a base 121f and an end cover 122f. The 25 base 12If comprises a spring mounting seat with a first spring fixing part 1212f capable of fixing a first end of the spring, and the end cover 122f comprises a spring mounting seat with a second spring fixing part 1222f capable of fixing a second end of the spring. The base and the end cover are provided with a rotary locking assembly, and the base may be releasably locked together with the end cover by the rotary locking assembly, so that the spring is 30 compressed therebetween. Specifically, the rotary locking assembly comprises one or more locking posts 127f positioned on the outer region of the base and one or more arc openings 128f positioned on the corresponding outer region of the end cover. Each locking post 127f comprises a thin base 127If and a thick end 1272f. Each arc opening 128f comprises a narrow 2024220002   24 Sep 2024 arc extending portion 128If and a wide end opening portion 1282f, and the end opening portion 1282f is positioned at one end of the arc opening 128f. The end opening portion 1282f of each arc opening 128f is sized to allow the end 1272f of the corresponding locking post 127f to pass therethrough, while the arc extending portion 128If of each arc opening 128f is 5 sized not to allow the end of the corresponding locking post to pass therethrough, so that when compressing the spring and rendering the end 1272f of each locking post to pass through the corresponding end opening portion 1282f, by rotating the base and the end cover along the locking direction, the base 127If of each locking post moves along the corresponding arc opening 128f into the arc extending portion 128 If of which and is locked in 0 the arc extending portion 128If through the end 1272f, thereby releasably locking the base and the end cover together. Fig. 34G exemplarily shows a condition when the base and the end cover of the spring module shown in Fig. 34A are locked together. Preferably, the base 12If further comprises a module mounting part 1213f for removably mounting the spring module into the spring cushion, and the module mounting part 1213f may be a slideway or a 15 slide rail arranged on the bottom surface of the base, so that the base of the spring module may be slidably assembled onto the mounting rack in the spring cushion through the module mounting part 1213f. Alternatively, the base may be provided with an opening 121 If at the center of which, and the end cover may be provided with an opening 122If at the center of which. 20

[00290] Figs. 35A and 35B schematically show a perspective view and a side view, respectively, of a spring module according to yet another preferred embodiment of the present disclosure. As shown in the figures, the spring module comprises a conical spring 110 and a plurality of flexible straps 123e, each flexible strap 123e respectively comprises a main body 123 le; a first hook 1232e at one end of the main body; and a second hook 1233e at the other 25 end of the main body. The first hook 1232e is removably hooked on the large-diameter end of the conical spring, and the second hook 1233e is removably hooked on the small-diameter end of the conical spring, and the flexible straps 123e are all positioned outside the conical spring. Preferably, the lengths of the plurality of flexible straps 123e are designed such that the conical spring has a predetermined initial compression force. Further preferably, the 30 flexible straps 123e are integrally formed and made of plastic. Optionally, the width and / or thickness of the main body 123 le of the flexible strap 123e gradually decreases from one end to the other end.

[00291] Figs. 35C and 35D exemplarily show a perspective view and a side view, respectively, 2024220002   24 Sep 2024 of a spring module according to yet another preferred embodiment of the present disclosure. As shown in the figures, the spring module comprises a conical spring 110 and a plurality of flexible straps 123f, and each flexible strap 123f comprises a main body 123If; a first hook 1232f positioned at one end of the main body; and a second hook 1233f positioned at the 5 other end of the main body. The first hook 1232f is hooked on the large-diameter end of the conical spring, the second hook 1233f is hooked on the small-diameter end of the conical spring, and the flexible straps 123f are all positioned outside the conical spring. The lengths of the plurality of flexible straps 123f are preferably designed such that the conical spring has a predetermined initial compression force. Further preferably, the main body 123If of the 0 flexible strap 123f is made of woven fabric, and the first hook 123If as well as the second hook 1232f of the flexible straps 123f are made of metal or plastic. Optionally, the width and / or thickness of the main body 123 le of the flexible straps 123e gradually decreases from one end to the other.

[00292] Fig. 35E exemplarily shows a condition when the plurality of spring modules shown 15 in Figs. 35A to 35D are nested together.

[00293] Figs. 35F and 35G exemplarily show an exploded view and a sectional view of a spring module, respectively, according to yet another preferred embodiment of the present disclosure, and Fig. 35H is a partial enlarged view of Fig. 35G. As shown in the figures, the spring module comprises a conical spring 110, a one-piece flexible sleeve 1231g having a 20 closed end and an open end, and one or more fasteners 129g. The conical spring 110 passes through the open end of the one-piece flexible sleeve 1231g and enters the interior of which, so that the one-piece flexible sleeve encompasses outside the conical spring, and wherein the end of the open end of the one-piece flexible sleeve 1231g is bent around the large-diameter end of the conical spring 110 toward the interior of the conical spring and fixed to an adjacent 25 part of the one-piece flexible sleeve 1231g positioned outside the conical spring 110 by one or more fasteners 129g(as shown in Fig.35H). Preferably, the one-piece flexible sleeve 1231g and the one or more fasteners 129g cooperate with each other so that the conical spring may have a predetermined initial compression force. In a preferred embodiment, the one-piece flexible sleeve 1231g is a one-piece cloth sleeve, and the fastener 129g is a rivet. Fig. 351 30 exemplarily shows a condition when a plurality of spring modules shown in Figs. 35F and 35G are nested together.

[00294] Fig. 35J exemplarily shows a spring module according to another preferred embodiment of the present disclosure, and Fig. 35K shows a conical spring 110b of which. 2024220002   24 Sep 2024 Unlike the spring module shown in Figs. 35F-35H, the flexible sleeve 123Ih as well as the conical spring 110b are square conical.

[00295] Figs. 36A and 36B exemplarily show a perspective view and a perspective view of a spring module according to yet another preferred embodiment of the present disclosure, 5 which comprises a plurality of connected cylindrical cloth sleeves 1231i in rows and a plurality of cylindrical springs encompassed therein. Fig. 36C exemplarily shows a perspective view of a spring module according to another preferred embodiment of the present disclosure, Fig. 36D exemplarily shows a condition when the spring module shown in Fig. 36C is compressed and stored in a storage box, and Fig. 36E exemplarily shows a 0 condition when a plurality of storage boxes shown in Fig. 36D are stacked together.

[00296] Fig. 37 exemplarily shows a perspective view of a spring module according to yet another preferred embodiment of the present disclosure. As shown in the figure, the spring module comprises a conical spring 110, a base 12 Ij and a plurality of flexible straps 123j. The base has a spring mounting seat with a spring fixing part 1212j for fixing the large-diameter 15 end of the conical spring, one end of each flexible strap 123j is fixedly coupled to the base, while the other end has a hook part 1233j which is detachably hooked on the small-diameter end of the conical spring, and the plurality of the flexible straps 123j are all positioned outside the conical spring 110. Preferably, the lengths of the plurality of flexible straps 123j are designed such that the conical spring 110 has a predetermined initial compression force. 20 Further preferably, the flexible strap 123j is entirely made of plastic. Optionally, the main body of the flexible strap 123j is made of woven fabric, and the hook part 1233j is made of metal or plastic. Optionally, the width and / or thickness of the main body of the flexible strap 123j gradually decreases from one end to the other end. In a preferred embodiment, the bottom surface of the base 121j is further provided with a module mounting part 1213j for 25 removably mounting the spring module into a spring cushion. Preferably, the module mounting part 1213j may be slideways or slide rails arranged on the bottom surface of the base, so that the base can be slidably assembled to the mounting rack in the spring cushion through the module mounting part 1213j. In another preferred embodiment, the base 12Ij may also be provided with locking structures 31 and 32 shown in Figs. 29A-29C, locking 30 structures 41, 42 shown in Figs. 30A-30C, locking structures 43, 44 shown in Figs. 30D-30F, or T-shaped (or wedge-shaped) connections 51 shown in Figs. 31A-31D.

[00297] Figs. 38A, 38B exemplarily show a perspective exploded view and a perspective sectional view of a spring module (spring bag) according to yet another preferred embodiment 2024220002   24 Sep 2024 of the present disclosure, respectively. As shown in the figures, the spring module (spring bag) comprises a conical spring 110 and a double-layer flexible sleeve, the double-layer flexible sleeve comprises: a frustoconical outer layer 123m having a closed end and an open end, and the open end of the frustoconical outer layer is provided with a first flange 1231m extending 5 outward; and a frustoconical inner layer 123n positioned inside the frustoconical outer layer 123m, wherein the frustoconical inner layer 123n has a closed end and an open end, and the open end of the frustoconical inner layer 123n is provided with a second flange 123In extending outward. The radial dimension of the frustoconical inner layer 123n is smaller than that of the frustoconical outer layer 123m, and the height dimension of the frustoconical inner 0 layer 123n is approximately equal to that of the frustoconical outer layer 123m, the conical spring 110 is positioned between the frustoconical outer layer 123m and the frustoconical inner layer 123n. The first flange 1231m of the frustoconical outer layer 123m is fixedly coupled with the second flange 123 In of the frustoconical inner layer 123n, and the closed end of the frustoconical outer layer is fixedly coupled with the closed end of the frustoconical 15 inner layer. Preferably, the height dimension of the frustoconical outer layer 123m and that of the frustoconical inner layer 123n are designed to allow the conical spring therebetween to have a predetermined initial compression force. Preferably, the frustoconical outer layer 123m and the frustoconical inner layer 123n are coupled together by adhesive or ultrasonic welding.

[00298] Figs. 39A, 39B respectively illustrate conditions when the spring bag shown in Figs. 20   38A, 38B are fixed on the base through different fixing ways, the spring bag is fixedly coupled to the base through an engaging part on the base in Fig. 39A, while in Fig. 39B the spring bag is fixedly coupled to the base through fasteners. Fig. 39C exemplarily shows a condition when a plurality of spring modules shown in Figs. 39A or 39B are nested together. The base may be provided with locking structures 31 and 32 shown in Figs. 29A-29C, locking 25 structures 41 and 42 shown in Figs. 30A-30C, locking structures 43 and 44 shown in Figs. 30D-30F, or T-shaped (or wedge-shaped) connections 51 shown in Figs. 31 A- 3 ID.

[00299] Figs. 40A-40C exemplarily show different embodiments of non-conical springs that can be used in the above-mentioned spring module, and Fig. 40D exemplarily shows a spring module having the spring shown in Fig. 40B. Fig. 40E exemplarily shows a different 30 embodiment of a conical spring that can be used in the above-mentioned spring module, and Fig. 40F exemplarily shows a spring module 200a comprising the conical spring shown in Fig. 40E, which comprises a spring bracket 220a and a square conical spring 110b installed therein. 2024220002   24 Sep 2024

[00300] Fig. 40G exemplarily shows a different embodiment of a conical spring that can be used in the spring module of the present disclosure, wherein at least a part of the conical spring is formed by a double spiral wire, and preferably, a double-wire spring part with the double spiral wire occupies about 2 / 3 of the overall height of the conical spring. Fig. 40H 5 exemplarily shows a spring module comprising the conical spring shown in Fig. 40G.

[00301] On the other hand, the present disclosure also provides a spring cushion comprising various spring modules as described above.

[00302] Fig. 41A exemplarily shows a spring cushion according to a preferred embodiment of the present disclosure. As shown in the figure, the spring cushion comprises various spring 0 modules described in the above embodiments; a first sponge pad 1300a, each having a plurality of holes, each hole being configured such that a part of the corresponding spring module may pass therethrough; a second sponge pad 1100a sleeved on the first sponge pad 1300a; an outer cover 1200a sleeved on the second sponge pad 1100a so as to wrap the spring module, the first sponge pad as well as the second sponge pad therein. 15

[00303] Fig. 4IB exemplarily shows a spring cushion according to another preferred embodiment of the present disclosure, which is different from the spring cushion shown in Fig. 41A in that a first sponge pad 1300b comprises a plurality of separate parts arranged side by side, wherein each separate part may have different stiffness and color, so as to be arranged at different positions of the mattress as required and be easy to distinguish, as shown in Fig. 20   41C.

[00304] Fig. 4ID exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure. As shown in the figure, the spring cushion is different from the spring cushions shown in Figs. 41A, 41B in that it further comprises a fixing net 1400a having a plurality of ring parts, each of which is configured to allow a part of the 25 corresponding spring module to pass therethrough. When the fixing net 1400a is arranged on the spring module, the vertical distance between the ring part and the top of the spring module is about 1 / 3 of the overall height of the spring module.

[00305] Fig. 42A exemplarily shows a fixing net assembly 1400b for a spring cushion according to a preferred embodiment of the present disclosure, and Fig. 42B exemplarily 30 shows a partial sectional view of the fixing net assembly shown in Fig. 42A. As shown in the figures, the fixing net assembly 1400b comprises a flexible sheet 1410b having a plurality of holes, and a plurality of caps 1420b, wherein the holes of the flexible sheet 1410b are 2024220002   24 Sep 2024 positioned corresponding to the positions of the spring modules, and each cap 1420b comprises a cavity 1421b for accommodating the top end part of the spring module and a flange 1422b surrounding the cavity, wherein, the wall forming the cavity 1421b is sized to be smaller than the hole so as to enable the wall to pass therethrough, and the flange 1422b is 5 sized to be larger than the hole so as to enable the flange to engage with part of the flexible sheet around the hole, and wherein the flange 1422b is fixedly coupled to the part of the flexible sheet around the hole by adhesive or ultrasonic welding, and the cavity 1421b may accommodate the top of the spring module.

[00306] Fig. 42C exemplarily shows an exploded view of a fixing net assembly 1400c for a 0 spring cushion according to a preferred embodiment of the present disclosure, as shown in the figure, the fixing net assembly 1400c comprises a flexible sheet 1410c without holes; a plurality of upper caps 1420c or 1420d located on one side of the flexible sheet, each of which is provided with a first snap feature 1422c or 1422d:a plurality of lower caps 1430c or 1430d located on the other side of the flexible sheet, each of which is provided with a second snap 15 feature 1432c or 1432d. The first snap feature of the upper cap is configured to snap fit with the second snap feature of the lower cap and clamp the flexible sheet therebetween, and the lower cap 1430c and 1430d may accommodate the top of the spring module.

[00307] Figs. 42D, 42E exemplarily show a process in which the upper cap 1420c and the lower cap 1430c are clamped on the flexible sheet 1410c, as shown in the figures, the upper 20 cap 1420c has an annular wall 1421c and an annular protrusion 1422c located outside the annular wall 1421c, while the lower cap 1430c has a circular hole 1431c, and the annular protrusion 1422c may be locked on the edge 1432c of the circular hole 1431c so as to clamp the flexible sheet 1410c therebetween.

[00308] Figs. 42F and 42G exemplarily show a process in which the upper cap 1420d and the 25 lower cap 1430d are clamped on the flexible sheet 1410c, as shown in the figures, different from the above-mentioned caps 1420c and 1430c, the inner and outer sides of the annular wall of the upper cap 1420d are all provided with annular protrusions 1422d, and the lower cap 1430d is provided with an annular groove 143Id, in which an snap-fit part 1432d is provided, and the annular protrusions 1422d may be locked with the snap-fit part 1432d in the annular 30 groove 143Id so as to clamp the flexible sheet 1410c therebetween.

[00309] Fig. 42H exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure, and Fig. 421 exemplarily shows a sectional view of the 2024220002   24 Sep 2024 spring cushion. As shown in the figures, the spring cushion comprises various spring module assemblies shown in the above embodiments, especially in Figs. 33J-33N. The spring cushion of the present embodiment further comprises a spring pad 1500a spread on the spring module assemblies, and an outer cover 1600a having a quilted sponge layer, which covers the spring 5 pad 1500a and wraps the spring module assemblies as well as the spring pad 1500a.

[00310] Furthermore, Fig. 42L exemplarily shows the foregoing spring pad 1500a, and Fig. 42M exemplarily shows a partial sectional view of the spring pad 1500a. As shown in the figures, the spring pad 1500a comprises: a plurality of cylindrical springs 1530a, a first non-woven fabric layer 1510a located at one side of the plurality of cylindrical springs 1530a, 0 and a second non-woven fabric layer 1520a at the other side of the plurality of cylindrical springs 1530a. The first non-woven fabric layer 1510a and the second non-woven fabric layer 1520a are coupled together around each cylindrical spring 1530a by adhesive or ultrasonic welding, so as to separate adjacent cylindrical springs and fix the cylindrical springs between the two non-woven fabric layers thus forming a one-piece spring pad. In other words, the first 15 non-woven fabric layer 1510a and the second non-woven fabric layer 1520a are coupled together around each small cylindrical spring 1530a by adhesive or ultrasonic welding so as to form compartments for accommodating the plurality of small cylindrical springs, such that the adjacent small cylindrical springs may be separated mutually. The elastic coefficient of the cylindrical spring 1530a is preferably smaller than that of the spring in the spring module 20 positioned at the bottom layer, thus providing stiffness close to sponge. Furthermore, the plurality of cylindrical springs 1530a are preferably denser than the plurality of spring modules positioned at the bottom layer so as to provide better comfort. In other words, the radial dimension of the cylindrical springs 1530a is preferably smaller than that of the springs in the spring modules, and the number of the cylindrical springs 1530a is preferably larger 25 than that of the spring modules. The spring pad 1500a may be used to replace the sponge pad, and is comfortable, air-permeable and cost-saving.

[00311] Fig. 42J exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure, and Fig. 42K exemplarily shows a sectional view of the spring cushion. As shown in the figures, the spring cushion comprises various spring modules 30 or spring module assemblies shown in the above embodiments, especially in Figs. 29A-31P. The spring cushion of the present embodiment further comprises a spring pad 1500a spread on the spring module assemblies, and an outer cover 1600a having a quilted sponge layer, which covers the spring pad 1500a and wraps the spring module assemblies as well as the 2024220002   24 Sep 2024 spring pad 1500a. Unlike the spring cushion shown in Figs. 42H, 421, the spring cushion of the present embodiment further comprises a fixing net assembly 1400b or 1400c shown in Figs. 42A-42G. The fixing net assembly 1400b or 1400c is provided between the spring modules and the spring pad 1500a. 5

[00312] Fig. 42N exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure. Unlike the embodiment shown in Figs. 42J and 42K, in the present embodiment, the sponge pad 1300a shown in Fig. 41A is used instead of the fixing net assembly 1400b or 1400c. As described above, the sponge pad 1300a has a plurality of holes, each hole configured to allow part of the corresponding spring module to pass 0 therethrough. Similarly, the sponge pad 1300a may also be replaced by the sponge pad 1300b having the plurality of separate parts arranged side by side as shown in Figs. 41B and 41C.

[00313] Fig. 42P exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure, which comprises the above-mentioned spring pad 1500a and an outer cover 1700a covering the outside of the spring pad 1500a. As shown in the 15 figure, the outer cover 1700a has a quilted sponge layer 1710a which is positioned on the upper side and the lower side of the spring pad 1500a. As described above, since the elastic coefficient of the spring in the spring pad 1500a is low, the spring cushion may be rolled up in a compressed state to save the storage space, the process of compression as well as rolling up is shown in Fig. 42Q. 20

[00314] Fig. 43A exemplarily shows a spring cushion according to yet another preferred embodiment of the present disclosure. As shown in the figure, the spring cushion comprises: a base cloth 1200d ; a first outer cover 1300d , a bottom end of the first outer cover being open and a top end being closed, and an edge of the bottom end of the first outer cover 1300d is sewn together with an edge of the base cloth 1200d so as to form a closed accommodating 25 space; a plurality of spring modules described in the above embodiments, each spring module comprising a spring bracket and a spring installed in the spring bracket, and the plurality of spring modules are arranged in the accommodating space; a plurality of sponge blocks 1400d arranged in the accommodating space, and each sponge block is respectively arranged on the top of the corresponding spring module among the plurality of spring modules. The first outer 30 cover 1300d comprises a plurality of separate compartments, with one or more spring modules as well as one or more sponge blocks 1400d respectively arranged in each compartment. The base cloth 1200d is provided with a plurality of openings, each of which is 2024220002   24 Sep 2024 aligned with one or more compartments of the plurality of compartments, and is provided with a curtain 1210d and a zipper 1220d provided on the curtain (as seen in Fig. 43D) for opening and closing each of the openings. Preferably, as shown in Fig. 43B, the spring cushion may further comprise a second outer cover 1500d sleeved outside the first outer cover 1300d.

[00315] Fig. 43C exemplarily shows the outer cover 1300d having compartments in the spring cushions shown in Figs. 43A, 43B, wherein the shape of each compartment is the same.

[00316] Figs. 43D and 43 E exemplarily show the first outer cover 1300d sewn with the base cloth 1200d, in Fig. 43D, the curtains 1210d as well as the zippers 1220 of the base cloth are in an open state, each elongated opening of the base cloth is aligned with a row of compartments of the outer cover 1300d, as can be seen from the figure. In Fig. 43E, the curtains 121 Od as well as the zippers 1220 of the base cloth are in a closed state.

[00317] Figs. 43F-43H exemplarily show outer covers with compartments of different shapes / sizes according to different embodiments of the present disclosure, which can be used to accommodate different types of spring modules. Fig. 431 exemplarily shows an outer cover having honeycomb-shaped (hexagonal) compartments according to a preferred embodiment of the present disclosure.

[00318] Figs. 44A-44E exemplarily show sponge blocks according to different embodiments of the present disclosure, as can be seen from the figures, in order to be used for different types of spring modules, the sponge block may be flat, or it may have protrusions or depressions.

[00319] Fig. 45A exemplarily shows a sponge block according to a preferred embodiment of the present disclosure. As shown in the figure, the sponge block 1400d comprises a concave part 141 Od for accommodating the top of the spring module, and grooves 1420d positioned on four sides of the concave part 1410d, which are helpful for folding and compressing the sponge block, Fig. 45B exemplarily shows the sponge block shown in Fig. 45A in a folded / compressed state, and the folded sponge block may be stored in a storage cup as shown in Fig. 45C. The sponge block 1400d may also be placed in an elongated storage bag in a natural state, and the storage bag filled with the sponge blocks may be rolled up and placed in a box or packaged and fixed as shown in figs. 46A-46C.

[00320] Figs. 47A-47C exemplarily show another packaging method of the sponge blocks 2024220002   24 Sep 2024 according to the present disclosure, and each sponge block 1400d may be compressed and stored in a single box.

[00321] Figs. 48A-48F exemplarily show a sponge block storage box and a sponge block storage method according to a preferred embodiment of the present disclosure. As shown in 5 the figures, the sponge block storage box has a long and narrow hollow rectangular shape, and at least one end along the longitudinal direction of the sponge block storage box is provided with an opening 2010d for inserting the sponge block 1400d therethrough. The lateral wall of the sponge block storage box may be opened integrally to form a storage box cover 2020d for taking out the sponge block 1400d stored therein. A flange 203Od is provided around the 0 opening 2010d for engaging with the periphery of the sponge block 1400d accommodated therein so as to prevent which from exiting the storage box from the opening 2010d. Optionally, the other end along the longitudinal direction of the sponge block storage box may also be provided with an opening.

[00322] Figs. 49A, 49B exemplarily show an outer cover 2000d used for a spring cushion, 15 according to a preferred embodiment of the present disclosure, the outer cover 2000d is provided with an open bottom end (shown as an upper end in the figures) and a closed top end (shown as a bottom end in the figures), and the outer cover 2000d comprises: a top part 2100d having four edges 2110d; and four side parts 2200d, each side part of the four side parts 2200d being sewn to a corresponding edge of the four edges 21 lOd of the top part 2100d, and 20 mutually adjacent edges of every two adjacent side parts 2200d being provided with zippers 2210d, so as to detachably connecting the edges mutually adjacent of the side parts 2200d together to partially wrap the spring modules. Preferably, the top part 2100d sequentially comprises a non-woven fabric layer, a high-elastic sponge layer, a non-woven fabric layer, a quilted sponge layer, a silk floss layer and a cloth layer, from an inner side to an outer side of 25 the spring cushion; each side part 2200d sequentially comprises a non-woven fabric layer, a quilted sponge layer, a silk floss layer and a cloth layer, from the inner side to the outer side of the spring cushion.

[00323] Preferably, each side part 2200d comprises a hem part 2300d sewn with it, and each hem part only comprises a cloth layer. 30

[00324] In a preferred embodiment, the spring cushion further comprises one or more pairs of tethers 2400d arranged on the hem parts 2200d for fastening the outer cover to the plurality of spring modules. 2024220002   24 Sep 2024

[00325] Figs. 50A, 50B exemplarily show an outer cover for a spring cushion, according to another preferred embodiment of the present disclosure. As shown in the figures, the outer cover 3000d is a closed outer cover and comprises: a top part 3100d; four side parts 3210d, 3220d, 3230d and 3240d; and a bottom part 3300d. The first edge of the top part 3100d is 5 sewn to the first side part 3210d, the second edge of the top part opposite to its first edge is sewn to the second side part 3220d, the first edge of the bottom part 3300d is sewn to the first side part 3210d, and two edges perpendicular to the first edge of the bottom part 3300d are respectively sewn to the third side part 3230d and the fourth side part 3240d. Wherein zippers 3400d are provided at all non-sewn edges of the top part 3100d, the four side parts 3210d, 0   3220d, 3230d, 3240d, and the bottom part 3300d, in order to detachably connect the non-sewn edges together to wrap a plurality of spring modules. Preferably, the top part 3100d sequentially comprises a non-woven fabric layer, a high-elastic sponge layer, a non-woven fabric layer, a quilted sponge layer, a silk floss layer and a cloth layer from the inner side to the outer side of the spring cushion; and the lateral parts 3210d, 3220d, 3230d and 3240d 15 sequentially comprise non-woven fabric layers, quilted sponge layers, silk floss layers and cloth layers from the inner side to the outer side of the spring cushion; and the bottom part 3300d only comprises a cloth layer.

[00326] Figs. 51A-51C show the structures of different parts of the spring cushion outer covers, marked by "AA", "BB" and "CC" in Figs. 49A, 49B and 50A, 50B, respectively. 20

[00327] Those skilled in the art may realize that various springs, spring brackets, bases, end covers, flexible straps, flexible sleeves, various functional components / parts (such as module mounting parts used for mounting spring modules onto mounting racks, various snap-fit parts / components, fixing parts / components, locking structures / components and constraint members, for limiting or fixing relative position relationship between adjacent spring modules) 25 described in the above embodiments. At the same time, different spring cushions may be formed by any combination of spring bags, spring modules, mounting brackets, sponge covers, sponge blocks, fixing nets, spring cushion outer covers, spring cushion base cloths, etc. described in the above embodiments as required.

[00328] The scope of protection of the present disclosure is limited only by the claims. 30 Thanks to the teaching of the present disclosure, those skilled in the art will appreciate that alternative structures of the structures disclosed in the present disclosure may be regarded as feasible alternative embodiments, and the embodiments disclosed in the present disclosure may be combined to produce new embodiments, which also fall within the scope of the 2024220002   24 Sep 2024 accompanying claims.

[00329] Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps.

[00330] The reference to any prior art in this specification is not, and should not be taken as, an acknowledgement or any form of suggestion that the prior art forms part of the common general knowledge in Australia.

Claims

1. A spring module for making a spring cushion of furniture, the spring module comprising:a conical spring (110; 110a; 110b); anda one-piece flexible sleeve (1231g; 123 Ih) shaped to conform to a shape of the conical spring and having a closed end and an open end, the conical spring being configured to enter into an interior of the one-piece flexible sleeve through the open end; andone or more fasteners (129g);wherein an end of the open end of the one-piece flexible sleeve is bent toward an interior of the conical spring around a large diameter end of the conical spring, and fixed on an adjacent portion of the one-piece flexible sleeve positioned outside the conical spring by the one or more fasteners.

2. The spring module according to claim 1, wherein the one-piece flexible sleeve and the one or more fasteners cooperate with each other such that the conical spring has a predetermined initial compression force.

3. The spring module according to claim 2, wherein the one-piece flexible sleeve is a one-piece cloth sleeve, and the fastener is a rivet.

4. The spring module according to claim 1, wherein at least a portion of the conical spring is a double-wire spring part.

5. The spring module according to claim 4, wherein the double-wire spring part extends from a large-diameter end of the conical spring to about 2 / 3 height of the conical spring.

6. A spring module for making a spring cushion of furniture, the spring module comprising:a conical spring (110; 110a); anda double-layer flexible sleeve comprising:2024220002   24 Sep 2024a frustoconical outer layer (123m), the outer layer having a closed end and an open end, the open end of the outer layer being provided with a first flange (1231m) extending outward; anda frustoconical inner layer (123n), the inner layer being positioned inside the outer layer and having a closed end and an open end, the open end of the inner layer being provided with a second flange (123 In) extending outward; andwherein a height of the inner layer is substantially equal to that of the outer layer, and the conical spring is arranged between the frustoconical outer layer and the frustoconical inner layer, andwherein the first flange of the outer layer is fixedly coupled with the second flange of the inner layer, and the closed end of the outer layer is fixedly coupled with the closed end of the inner layer.

7. The spring module according to claim 6, wherein the height of the outer layer and the height of the inner layer are configured such that the conical spring is arranged between the outer layer and the inner layer with a predetermined initial compression force.

8. The spring module according to claim 6, wherein the outer layer and the inner layer are coupled together by adhesive or ultrasonic welding.

9. The spring module according to claim 6, wherein at least a portion of the conical spring is a double-wire spring part.

10. The spring module according to claim 9, wherein the double-wire spring part extends from a large-diameter end of the conical spring to about 2 / 3 height of the conical spring.

11. A spring module for making furniture with a spring cushion, the spring module comprising:a base; and2024220002   24 Sep 2024spring bags, each spring bag comprising:a conical spring (110; 110a) ;a double-layer flexible sleeve, the double-layer flexible sleeve comprising:an outer layer (123m), the outer layer having a shape matched with a shape of the conical spring and having a closed end and an open end, and the open end of the outer layer being provided with a first flange (1231m) extending outward; andan inner layer (123n), the inner layer having a shape matched with the shape of the conical spring and positioned inside the outer layer, and the inner layer having a closed end and an open end, and the open end of the inner layer being provided with a second flange (123In) extending outward; andwherein a height of the inner layer is substantially equal to a height of the outer layer, and the conical spring is arranged between the outer layer and the inner layer, andwherein the closed end of the outer layer is fixedly coupled with the closed end of the inner layer, and the first flange of the outer layer is fixedly coupled with the second flange of the inner layer, so as to enclose the conical spring within the double-layer flexible sleeve, and the first flange as well as the second flange are fixedly coupled to the base.

12. The spring module according to claim 11, wherein the height of the outer layer and the height of the inner layer are configured such that the conical spring is enclosed within the double-layer flexible sleeve with a predetermined initial compression force.

13. The spring module according to claim 11, wherein the base further comprises locking structures (41; 42) respectively arranged on four sides of the base, the locking structures being configured to match with the locking structures of another spring module arranged adjacently, so as to constrain a relative movement of the spring modules which are arranged adjacently.

14. The spring module according to claim 11, wherein the outer layer and the inner layer are coupled together by adhesive or ultrasonic welding.2024220002   24 Sep 202415. The spring module according to claim 11, wherein at least a portion of the conical spring is a double-wire spring part.

16. The spring module according to claim 15, wherein the double-wire spring part extends from a large-diameter end of the conical spring to about 2 / 3 height of the conical spring.

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