CN120836900A

CN120836900A - Elastic module and elastic pad

Info

Publication number: CN120836900A
Application number: CN202410501946.XA
Authority: CN
Inventors: 冷鹭浩
Original assignee: New Tec Integration Xiamen Co Ltd
Current assignee: New Tec Integration Xiamen Co Ltd
Priority date: 2024-04-25
Filing date: 2024-04-25
Publication date: 2025-10-28
Also published as: US20250331653A1; WO2025223556A1

Abstract

The invention provides an elastic module, which comprises a plurality of spring units, wherein the spring units are spliced with each other to form the elastic module, the spring units comprise a first spring and a second spring, the first spring can be compressed to a locking position along the axial direction, an end cover is arranged at the upper end of the first spring, a bottom cover is arranged at the bottom of the second spring, and the second spring can be detachably arranged on the end cover to form the spring unit. The invention also provides an elastic pad comprising the elastic module.

Description

Elastic module and elastic pad

Technical Field

The invention relates to the field of furniture, in particular to an elastic module and an elastic pad.

Background

Furniture such as mattress has the characteristics of large volume and difficult transport. Most of the existing mattresses do not have the function of disassembly or are not easy to recover after disassembly. However, with the development of modern life, furniture such as mattresses and the like are facing more and more frequent assembly and disassembly to accommodate the needs of population migration and field leisure.

At present, some detachable mattresses have also been developed, and each spring unit is independent and can be mutually disassembled and assembled, however, the number of independent spring units adopted by a mattress is very numerous, even after the mattress is disassembled, a great amount of space is required to be occupied in the transportation process, and the mattress is difficult to manually and rapidly carry out.

Therefore, the spring unit needs to be improved in design, so that occupied space in the transportation process can be reduced, and manual transportation is facilitated.

Meanwhile, different users have different demands on the softness of the mattress, some users like the mattress, some customers like the mattress, if the users want to replace springs with different softness, all parts of the whole independent spring unit need to be removed and reloaded with springs with different softness, so that the mattress is inconvenient and easy to damage.

Disclosure of Invention

The invention provides an elastic module and an elastic cushion, which can reduce occupied space in the disassembled transportation process, are convenient for manual transportation, and can replace springs with different softness according to the needs of users without disassembling a spring unit.

In order to solve the technical problems, the invention provides an elastic module, which comprises a plurality of spring units, wherein the spring units are spliced with each other to form the elastic module, and the elastic module is characterized in that the spring units comprise a first spring and a second spring, and the first spring can be compressed to a locking position along the axial direction; the upper end of the first spring is provided with an end cover, the bottom of the second spring is provided with a bottom cover, and the second spring is detachably arranged on the end cover to form the spring unit.

In a preferred embodiment, the bottom cover of the second spring is screwed or inserted or screwed with the end cover.

In a preferred embodiment, the bottom cover of the second spring is symmetrically provided with two screwing pieces, the screwing pieces comprise a first part and a second part, the first part extends from the bottom of the base along the axial direction, and the second part is positioned at the tail end of the first part and extends outwards along the radial direction from the center.

In a preferred embodiment, the top of the end cover is provided with sliding rails corresponding to the screwing pieces one by one as a mounting structure, the sliding rails are strip-shaped concave holes, the width of each strip-shaped concave hole is gradually narrowed along the rotating direction of the screwing piece, and the narrowest width of each strip-shaped concave hole is smaller than the width of the second part.

In a preferred embodiment, the bottom of the bottom cover of the second spring is provided with a plug connector.

In a preferred embodiment, the top of the end cover is provided with a plugging groove corresponding to the plug connector.

In a preferred embodiment, a conical plug-in connector with a gradually reduced radius is arranged at the bottom of the bottom cover along the insertion direction, a plug-in groove corresponding to the conical plug-in connector is arranged at the top of the end cover, and the conical plug-in connector is inserted into the plug-in groove so that the conical plug-in connector is self-locked along the vertical direction.

In a preferred embodiment, two tapered plug connectors with gradually reduced widths are symmetrically arranged at the bottom of the bottom cover along the insertion direction, tapered grooves are formed in the middle of the two tapered plug connectors, tapered plug grooves matched with the tapered plug connectors are formed in two sides of the top of the end cover, tapered protrusions are formed in the middle of the tapered plug grooves on two sides, the tapered plug connectors are inserted into the tapered plug grooves, and a double-conical-surface structure formed by the tapered plug connectors and the tapered protrusions is self-locked along the vertical direction.

In a preferred embodiment, a threaded connecting piece is arranged in the end cover, threads are arranged on the outer wall of the threaded connecting piece, the bottom cover is a circular ring, threads are arranged on the inner wall of the circular ring, and the bottom cover of the second spring is in threaded connection with the threaded connecting piece.

In a preferred embodiment, the elastic units are arranged in a hexagonal staggered manner.

The invention also provides an elastic module which comprises a plurality of spring units, wherein the spring units are spliced with each other to form the elastic module, and the elastic module is characterized in that the spring units comprise a first spring and a second spring, the first spring can be compressed to a locking position along the axial direction, the top of the first spring comprises an end cover, the bottom of the second spring comprises a bottom cover and a connecting plate, and the end cover and the bottom cover are arranged on two sides of the connecting plate to form the elastic module.

In a preferred embodiment, a first inserting structure is arranged below the connecting plate and is inserted with an end cover of the first spring, and a second inserting structure is arranged above the connecting plate and is inserted with a bottom cover of the second spring.

In a preferred embodiment, the first springs are arranged in a matrix or in a hexagonal staggered arrangement along the transverse and longitudinal directions. The second springs are arranged in a matrix or in a hexagonal staggered manner along the transverse direction and the longitudinal direction.

In a preferred embodiment, circular convex rings are respectively formed on the upper side and the lower side of the connecting plate along the vertical direction, and concave holes in interference fit with the circular convex rings are formed on the bottom cover and the end cover.

In a preferred embodiment, annular slots are respectively formed on the upper side and the lower side of the connecting plate along the vertical direction, and conical connectors are arranged in the annular slots, are inserted into the bottom cover or the end cover and are self-locked along the axial direction.

The invention further provides an elastic module, which comprises a plurality of spring units, wherein the spring units comprise first springs and second springs, the first springs can be compressed to a locking position along the axial direction, an end cover is arranged at the upper end of each first spring, the second springs are detachably arranged on the end cover, the plurality of spring units are arranged in a matrix mode along the transverse direction and the longitudinal direction so that gaps are formed between adjacent rows or adjacent columns, and a third spring is inserted between part or all of the gaps to form the elastic module.

In a preferred embodiment, the second spring is in an inverted cone shape and the third spring is in a forward cone shape.

In a preferred embodiment, the second spring and the third spring are cylindrical with the same shape and size.

The invention further provides an elastic module, which comprises a plurality of spring units, wherein the spring units are spliced with each other to form the elastic module, the spring units comprise a first spring and at least two second springs, the first spring can be compressed to a locking position along the axial direction, an end cover is arranged at the upper end of the first spring, and the at least two second springs are detachably arranged on the end cover to form the spring unit.

In a preferred embodiment, the end cover is provided with at least two mounting structures, and the at least two second springs are spliced or screwed on the end cover through the second mounting structures.

In a preferred embodiment, the second spring is axially compressible to the locked position.

In a preferred embodiment, the second springs are hollow structures, and a plurality of the second springs can be nested along the axial direction.

In a preferred embodiment, a flexible spring top cover is arranged above the second spring, and the flexible spring top cover is inserted into the cavity structure.

In a preferred embodiment, the other end of the first spring is provided with a base, the lower end of the end cover along the compression direction of the spring is provided with a first clamping structure, the upper end of the base along the compression direction of the spring is provided with a second clamping structure, and in the locking position, the first clamping structure is buckled with the second clamping structure.

In a preferred embodiment, two hooks are symmetrically arranged on the lower end surface of the end cover along the compression direction to serve as a first clamping structure, the hooks comprise a connecting portion and a hook portion, and the hook portion is arranged on the outer side of the connecting portion.

In a preferred embodiment, two sides of the base extend towards the center of the base to form a clamping piece as a second clamping structure, the clamping piece comprises a connecting arm and a clamping portion, the clamping portion is located at the tail end of the connecting arm and is suspended to enable the clamping piece to have elasticity pushed by the clamping hook, and when the first spring is located at the locking position, the clamping hook portion and the clamping portion are in limiting fit along the axial direction to achieve buckling.

In a preferred embodiment, the clamping part is gradually separated from the central shaft of the first spring along the compression direction of the spring to form an inclined plane, and the clamping hook part slides down along the inclined plane to clamp the bottom end of the clamping part under the action of external force to enable the clamping hook to be in limiting fit with the clamping piece along the axial direction.

In a preferred embodiment, the clamping hook portion pushes the clamping portion to be elastic under the action of external force until the clamping hook portion is separated from the clamping portion to release the buckling.

In a preferred embodiment, the lower end surface of the end cover is provided with an ejector along the compression direction, and two sides of the ejector are provided with elastic limiting pieces serving as first clamping structures.

In a preferred embodiment, a limiting groove matched with the elastic limiting piece is formed in the upper end face of the base to serve as a second clamping structure, a limiting wall is formed on one side of the limiting groove, and the ejector pushes the elastic limiting piece to slide into the limiting groove under the action of external force until the elastic limiting piece is clamped by the limiting wall to achieve buckling.

In a preferred embodiment, the first spring comprises a spring and a cloth sleeve, the cloth sleeve is wrapped on the outer surface of the spring, a circle of lantern ring is arranged on the outer side of the cloth sleeve at the top of the spring, a groove is formed in the lower surface of the lantern ring in an inward grooving mode along the vertical direction, a clamping structure is arranged on the bottom surface of the end cover, and the clamping structure is clamped into the groove to be in limiting fit with the lantern ring.

In a preferred embodiment, the collar comprises a first portion and a second portion, the second portion is arranged on the inner side of the cloth cover, the first portion is arranged on the outer side of the cloth cover, and the first portion and the second portion are fastened and fixed on the spring.

In a preferred embodiment, the first spring comprises a spring and a cloth sleeve, the cloth sleeve comprises an outer surface of the spring, a circle of sleeve ring is arranged on the outer side of the cloth sleeve at the bottom of the spring, a convex block is arranged on the outer side of the sleeve ring, a U-shaped groove is formed on the outer side of the base along the radial direction, a clamping structure is formed on the top of the outer wall of the U-shaped groove, the sleeve ring is clamped into the U-shaped groove, and the U-shaped groove and the sleeve ring are in limiting fit along the axial direction.

In a preferred embodiment, the springs of the second spring are detachable.

The invention also provides an elastic pad, which comprises the elastic module.

Compared with the prior art, the elastic module has the advantages that each spring unit of the elastic module can be split into the first spring and the second spring, the first spring and the second spring can be detachably mounted, the first spring can be axially compressed to a locking position, occupied space for transportation can be saved, manual transportation is convenient, the second spring contacted with a human body is convenient to replace, the second springs with different softness and hardness can be replaced without splitting the spring units, and different requirements of users are met.

Drawings

FIG. 1 is a schematic view of a spring unit of example 1;

FIG. 2 is a schematic view of a first spring according to example 1;

FIG. 3 is a schematic view showing a compressed state of a first spring according to embodiment 1;

FIG. 4 is a schematic view of a second spring with conical plug according to example 1;

FIG. 5 is a schematic view of a second spring with swivel joint of example 1;

figure 6 is a schematic view of the second spring nest condition of figure 4;

FIG. 7 is a second spring nest schematic view of FIG. 5;

figure 8 is a schematic view of a second spring of each shape nestable;

FIG. 9 is a second spring schematic of a different soft and firm spring;

FIG. 10 is a schematic view of a compressible second spring;

FIG. 11 is a schematic view of a first spring splice according to embodiment 1;

FIG. 12 is a schematic view of a second spring of embodiment 1 mounted to a first spring;

FIG. 13 is a schematic view of a partial elastic module formed by a first spring and a second spring according to embodiment 1;

FIG. 14 is a schematic view of an elastic module of embodiment 1;

FIG. 15 is a schematic view of an elastic pad of example 1;

FIGS. 16-18 are schematic diagrams of the splicing of the second spring first and then the second spring as in FIG. 14;

FIGS. 19-22 are schematic diagrams of a splice of first springs followed by installation of second springs;

FIG. 23 is a schematic view of a spring unit of embodiment 2;

Fig. 24 is a schematic diagram showing a disassembled state of a spring unit in embodiment 2;

fig. 25 is a cross-sectional view showing a compressed state of the first spring of embodiment 2;

fig. 26 is a first spring sectional view of embodiment 2;

FIG. 27 is a schematic view of a first spring of embodiment 3;

fig. 28 is a schematic view showing a compressed state of the first spring in embodiment 3;

Fig. 29 is a cross-sectional view showing a compressed state of the first spring of embodiment 3;

FIG. 30 is a second spring schematic of example 3;

FIG. 31 is a second spring section view of example 3;

FIG. 32 is a schematic view showing a compressed state of the first spring of embodiment 3 after being spliced;

FIG. 33 is a schematic view showing a release state of the first spring of embodiment 3 after being spliced;

FIG. 34 is a schematic view of the second spring of embodiment 3 mounted to the first spring;

FIG. 35 is a schematic view of an elastic module in embodiment 3;

FIG. 36 is a schematic view showing a compressed state of the first spring in embodiment 4;

fig. 37 is a schematic view showing a first spring release state of embodiment 4;

FIG. 38 is a schematic view showing the mounting of the second spring of embodiment 4 to the connecting plate;

FIG. 39 is a schematic diagram of an elastic module splicing of embodiment 4;

FIG. 40 is a schematic view of an elastic module of an embodiment 5;

FIG. 41 is a top view of an elastic module of embodiment 5;

FIG. 42 is a bottom view of the elastic module of the embodiment 5;

FIG. 43 is a side view of the long side of the elastic module of example 5;

FIG. 44 is a short side view of the elastic module of example 5;

FIG. 45 is a schematic view of a partially elastic module with the embodiment 5 removed;

FIG. 46 is a bottom view of the partial elastic module of embodiment 5 with the partial elastic module removed;

FIG. 47 is a top view of the partial elastic module of example 5 with the partial elastic module removed;

Fig. 48 is a split state sectional view of a set of spring units of embodiment 6;

FIG. 49 is a top view of a set of spring units splice of example 6;

FIG. 50 is a spliced cross-sectional view of an elastic module of embodiment 6;

FIG. 51 is a schematic view of a third spring mounting location of embodiment 6;

FIG. 52 is an assembled sectional view of a spring unit of embodiment 6;

FIG. 53 is a top view of the elastic module of example 6;

Fig. 54 is an exploded view of the elastic unit of example 7;

FIG. 55 is a schematic view of an elastic module of an embodiment 7;

fig. 56-60 are schematic views showing connection of the spring unit in the elastic module in embodiment 8;

FIG. 61 is a schematic diagram showing the distribution of the first springs in embodiment 9;

FIG. 62 is a schematic diagram showing the distribution of the second springs in example 9;

FIG. 63 is a cross-sectional view showing the connection between the second spring and the third spring in embodiment 10;

FIG. 64 is a top view of the connection between the second spring and the third spring in embodiment 10;

FIG. 65 is a schematic view of a lower elastic layer spliced by a first spring in embodiment 10;

FIG. 66 is a top view of the lower spring layer of the first spring splice of example 10;

FIG. 67 is a schematic view of an elastic module in example 10;

FIG. 68 is a top view of the elastic module of example 10.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of the present invention.

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," configured to, "" engaged with, "" connected to, "and the like are to be construed broadly, and may be, for example," connected to, "wall-mounted," connected to, removably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, or indirectly connected to, through an intermediary, and may be in communication with each other between two elements, as will be apparent to those of ordinary skill in the art, in view of the detailed description of the terms herein.

Example 1

Referring to fig. 1-22, in the present embodiment, there is provided an elastic module comprising a plurality of spring units 1, the spring units 1 comprising a first spring 11 and a second spring 12, the first spring 11 being axially compressible to a locking position under an external force.

Specifically, the first spring 11 comprises a spring 111, a cloth cover 112 and an end cover 113, the outer side of the spring 111 wraps the cloth cover 112, the end cover 113 is arranged at the top of the spring 111 and the outer side of the cloth cover 112 to fix the cloth cover 112 so as to form a bagged spring, a connecting structure 114 is arranged around the side edge of the end cover 113, adjacent first springs 11 are spliced together through the connecting structure 114, the second spring 12 comprises a bottom cover 121, the bottom cover 121 of the second spring 12 is detachably connected with the end cover 113 through an installation structure on the end cover 113 so as to install the second spring 12 on the first spring 11 to form the spring unit 1, and the spring unit 1 is spliced together through the connecting structure 114 around the first spring 11 to form the elastic module.

In the process of splicing, the first springs 11 can be spliced together to form a lower elastic layer after being released, then the second springs 12 are mounted on the first springs 11 to form an upper elastic layer, the upper elastic layer and the lower elastic layer together form the elastic module, the second springs 12 can be spliced through a connecting structure 114 on the first springs 11 after being mounted on the first springs 11, the spliced elastic module can be divided into an upper elastic layer formed by the first springs 11 and a lower elastic layer formed by the second springs 12, the first springs 11 can be spliced together in advance under a compression state to form a lower elastic layer under the compression state, and then the second springs 12 are mounted after being released to form the elastic module.

In this embodiment, the bottom cover 121 of the second spring 12 and the end cover 113 of the first spring 11 are screwed together, the bottom cover 121 of the second spring 12 is symmetrically provided with two screwing pieces 122, the screwing pieces 122 include a first portion 1221 and a second portion 1222, the first portion 1221 extends from the bottom of the base along the axial direction, the second portion 1222 is located at the end of the first portion 1221 and extends from the center along the radial direction outwards, the top of the end cover 113 is provided with sliding rails 1131 corresponding to the screwing pieces 122 one by one as a mounting structure, the sliding rails 1131 are strip-shaped concave holes, the width of the strip-shaped concave holes along the rotation direction of the screwing pieces 122 is gradually narrowed, and the narrowest width of the strip-shaped concave holes is smaller than the width of the second portion 1222.

The screwing piece 122 of the second spring 12 is inserted from the strip-shaped concave hole and then the second spring 12 is rotated until the second portion 1222 of the screwing piece 122 is screwed to the narrowest part of the strip-shaped concave hole, and the second portion 1222 of the screwing piece 122 and the strip-shaped concave hole are in limit fit along the axial direction because the width of the narrowest part of the strip-shaped concave hole is smaller than the width of the second portion 1222, so that the second spring 12 is mounted above the first spring 11. When disassembly is required, the second spring 12 is rotated, knowing that the second portion 1222 of the screw 122 reaches the width of the recess, so that the screw 122 can be removed from the width.

As a simple alternative of this embodiment, the bottom cover 121 of the second spring 12 and the end cover 113 of the first spring 11 are inserted, a conical insertion member 123 with a tapered radius is provided at the bottom of the bottom cover 121 along the insertion direction, an insertion groove 1132 corresponding to the conical insertion member 123 is provided at the top of the end cover 113, and the conical insertion member 123 is inserted into the insertion groove 1132 so that the conical insertion member 123 is self-locked along the vertical direction. The conical plug 123 of the second spring 12 is inserted into the plug hole 1132 above the end cap 113 of the first spring 11, and the conical plug 123 is self-locked in the plug groove 1132 so as to mount the second spring 12 above the first spring 11. When the conical plug 123 of the second spring 12 is required to be disassembled, the conical plug 123 of the first spring 11 is pulled out of the plug groove 1132 above the end cover 113 by using an external force.

In order to facilitate the storage of the second spring 12, the second spring 12 is axially compressible to a locking position by an external force. The locking mode of the first spring 11 and the second spring 12 in the compressed state is not limited, so long as the purpose of this embodiment can be achieved, the upper end and the lower end of the first spring 11 can be both provided with the clamping structure, and the locking mode can be achieved through limit fit between the clamping structures, and any mode in the prior art can also be adopted.

When the elastic module is required to be disassembled for storage or transportation, the plurality of spring units 1 spliced into the elastic module are disassembled firstly, then the first springs 11 and the second springs 12 of the spring units 1 are disassembled according to the above-mentioned method, the first springs 11 and the second springs 12 are compressed to the locking state by external force respectively, and the occupied space when the first springs 11 and the second springs 12 are compressed to the locking state is obviously reduced compared with that when the first springs and the second springs 12 are not compressed. Compared with the traditional elastic module, the elastic module of the embodiment is characterized in that each spring unit 1 can be independently detached, meanwhile, each spring unit 1 can be detached into a first spring 11 and a second spring 12, and the first spring 11 and the second spring 12 can be compressed to a locking state, so that when being carried or transported or stored, the spring units 1 are detached into the first spring 11 and the second spring 12 in the minimum compression state, occupied space can be reduced, manual carrying is facilitated, the number of the spring units 1 carried at one time is increased, and transportation efficiency is improved.

When the elastic module is needed to be spliced, only the first spring 11 and the second spring 12 are needed to be released, then the first spring 11 is spliced into a lower elastic layer through the connecting structure 114, then the second springs 12 are installed on the first spring 11 one by one to form an upper elastic layer, and the upper elastic layer and the lower elastic layer jointly form the elastic module. It is also possible to directly splice the first spring 11 and the second spring 12 into a single spring unit 1 after releasing the first spring 11 and the second spring 12, and then splice each spring unit 1 into the elastic module through the connection structure 114.

As a simple alternative to this embodiment, the second springs 12 may have a hollow structure, and a plurality of the second springs 12 may be nested in the axial direction. Therefore, when the elastic module is disassembled to the first spring 11 and the second spring 12, the first spring 11 is compressed to be in a locking state, and then the second spring 12 is sleeved in the axial direction, so that the occupied space can be reduced as well.

In order to adapt to the needs of different users on the elastic pads with different hardness, the springs in the second springs 12 forming the upper elastic layer can be detached, so that the springs with different hardness can be replaced according to the needs of the users.

An elastic pad can be formed by laying an upper cushion layer 4 above the upper elastic layer of the elastic module of the present embodiment.

Example 2

Referring to fig. 23-26, in the present embodiment, there is provided an elastic module comprising a plurality of spring units 1, the spring units 1 comprising a first spring 11 and a second spring 12, the first spring 11 being axially compressible to a locking position.

In this embodiment, the bottom cover 121 of the second spring 12 and the end cover 113 of the first spring 11 are inserted, two tapered connectors 124 with tapered widths are symmetrically disposed at the bottom of the bottom cover 121, a tapered groove 125 is formed between the two tapered connectors 124, tapered insertion grooves 1133 matched with the tapered connectors 124 are disposed at two sides of the top of the end cover, tapered protrusions 1137 are formed between the tapered insertion grooves 1133 at two sides, the tapered connectors 124 are inserted into the tapered insertion grooves 1133, and a double-tapered structure formed by the tapered connectors 124 and the tapered protrusions 1137 is self-locked along the vertical direction. The tapered insert of the second spring 12 is inserted into the tapered insertion groove 1133 of the first spring 11, thereby mounting the second spring 12 on the first spring 11.

In this embodiment, the other end of the first spring 11 is further provided with a base 115, the lower end surface of the end cover 113 is symmetrically provided with two hooks 1134 along the compression direction as a first clamping structure, the hooks 1134 include a connecting portion 11341 and a hook portion 11342, the hook portion 11342 is disposed at the outer side of the connecting portion 11341, two sides of the base 115 respectively extend towards the center of the base 115 to form a clamping member 1151 as a second clamping structure, the clamping member 1151 includes a connecting arm 11511 and a clamping portion 11512, the clamping portion 11512 is located at the end of the connecting arm 11511, the clamping portion 11512 is suspended so that the clamping member 1151 has elasticity pushed by the hooks 1134, the distance between the clamping portion 11512 and the central axis of the first spring 11 along the compression direction of the spring 111 gradually approaches to form an inclined plane, the hook portion 11542 slides down along the inclined plane to clamp the clamping portion 11512 under the action of an external force so that the clamping member 1154 is clamped with the clamping portion 11512 along the axial direction, and the clamping member 1151 is axially locked with the clamping portion 1154, and the clamping member 1151 is axially locked along the axial direction, and the clamping member 1151 is locked.

The end cover 113 and the base 115 are grasped by two hands, then the first spring 11 is compressed in opposite directions along the axial direction, and the clamping hook portion 11342 slides down along the inclined plane to clamp the bottom end of the clamping portion 11512 under the action of external force, so that the clamping hook 1134 and the clamping piece 1151 are in limited fit along the axial direction to realize the locking of the first spring 11. When the first spring 11 needs to be released, the end cover 113 and the base 115 are pulled outwards, and at this time, the clamping hook portion 11342 pushes the clamping portion 11512 to be elastic until the clamping hook portion 11342 is separated from the clamping portion 11512 to release the locking, and the first spring 11 will be released under the action of the restoring force of the internal spring 111. The manner of locking and releasing the compressed state of the first spring 11 of the present embodiment can be applied to the above-described embodiment as well as to the second spring 12.

In this embodiment, the end cover 113 and the base 115 of the first spring 11 are detachably mounted on the spring 111, specifically, a ring sleeve ring 1121 is disposed on the outer side of the cloth cover 112 on the top of the spring 111, a lower surface portion of the ring sleeve 1121 is grooved inwards along the vertical direction to form a ring groove, a clamping structure is disposed at the bottom end of the end cover 113, the clamping structure is clamped into the ring groove to be in limit fit with the ring sleeve 1121, the ring sleeve 1121 includes a first portion 1221 and a second portion 1222, the second portion 1222 is disposed on the inner side of the cloth cover 112, the first portion 1221 is disposed on the outer side of the cloth cover 112, and the first portion 1221 and the second portion 1222 are fastened and fixed on the cloth cover 112. Collar 1121 secures cloth cover 112 around spring 111 on the one hand and engages end cap 113 in a positive fit to mount end cap 113 on top of first spring 11 on the other hand.

Similarly, a ring sleeve 1121 is also arranged at the outer side of the bottom cloth cover 112 of the spring 111, a bump 1122 is arranged at the outer side of the ring sleeve 1121, a U-shaped groove 1151 is formed at the outer side of the base 115 along the radial direction, a clamping structure is formed at the top of the outer wall of the U-shaped groove 1151, the ring sleeve 1121 is clamped into the U-shaped groove 1151, and the U-shaped groove 1151 and the ring sleeve 1121 are in limiting fit along the axial direction. The collar 1121 also includes a first portion 11211 and a second portion 11212, the second portion 11212 is disposed inside the cloth cover 112, the first portion 11211 is disposed outside the cloth cover 112, and the first portion 11211 and the second portion 11212 are fastened to the cloth cover 112.

The other components are the same as those in embodiment 1, and will not be described again.

Example 3

Referring to fig. 27-35, in this embodiment, there is provided an elastic module comprising a plurality of spring units 1, the spring units 1 comprising a first spring 11 and a second spring 12, the first spring 11 being axially compressible to a locking position.

In this embodiment, the bottom cover 121 of the second spring 12 is in threaded connection with the end cover 113 of the first spring 11, a threaded connector is disposed in the end cover 113, the threads are disposed on the outer wall of the threaded connector, the bottom cover 121 is a circular ring, threads are disposed on the inner wall of the circular ring, and the bottom cover 121 of the second spring 12 is in threaded connection with the threaded connector. The threaded connector of the end cover 113 is sleeved into the circular ring of the bottom cover 121, then the circular ring is rotated, the threads of the inner wall of the circular ring are matched with the threads of the outer wall of the threaded connector, and the second spring 12 is arranged above the first spring 11 after being screwed.

In this embodiment, the lower end surface of the end cover 113 is provided with an ejector 1135 along the compression direction, two sides of the ejector 1135 are provided with elastic limiting members 1136 as a first clamping structure, the upper end surface of the base 115 is provided with a limiting groove 1152 matched with the elastic limiting members 1136 as a second clamping structure, one side of the limiting groove 1152 forms a limiting wall, the ejector 1135 ejects the elastic limiting members 1136 to slide into the limiting groove 1152 under the action of an external force until the elastic limiting members 1136 contact with the limiting wall, and until the friction force between the limiting members and the limiting wall is greater than the restoring force of the spring 111, so that the elastic limiting members are clamped by the limiting wall to realize buckling. The remainder is the same as in example 1 and will not be described again.

Example 4

With reference to fig. 36-39, the present embodiment also provides an elastic module comprising a plurality of spring units 1, the spring units 1 comprising a first spring 11 and a second spring 12;

The top of the first spring 11 comprises an end cover 113, connecting structures 114 are arranged around the end cover 113 and used for splicing adjacent first springs 11, the first springs 11 can be compressed to a locking position along the axial direction, the bottom of the second spring 12 comprises a bottom cover 121 and further comprises a connecting plate 2, round convex rings 21 serving as a first inserting structure and a second inserting structure are formed on the upper side and the lower side of the connecting plate 2 along the vertical direction respectively, the round convex rings 21 are arranged on the connecting plate 2 in an array mode, concave holes in interference fit with the round convex rings 21 are formed in the upper end face of the end cover 113 of the first spring 11 and the lower end face of the bottom cover 121 of the second spring 12, and a certain interference magnitude exists between the round convex rings 21 and the concave holes of the end cover 113 and the concave holes of the bottom cover 121.

When the elastic modules are spliced, the circular convex rings 21 of the connecting plates 2 are respectively clamped into concave holes of the first springs 11 and the second springs 12, so that the first springs 11 and the second springs 12 are spliced into the spring units 1, and the elastic modules are spliced by the spring units 1 through the connecting structures 114 around the first springs 11. Wherein the first spring 11 forms a lower elastic layer at the lower layer of the connecting plate 2, the second spring 12 forms an upper elastic layer at the upper layer of the connecting plate 2, and the cushion layer is paved on the upper elastic layer to form the elastic cushion. The remainder is the same as in example 1 and will not be described here again.

Example 5

Referring to fig. 40-47, the present embodiment provides an elastic module, which includes a plurality of spring units 1, wherein the plurality of spring units 1 are spliced with each other to form the elastic module, the spring unit 1 includes a first spring 11 and four second springs 12, the first spring 11 is axially compressible to a locking position, an end cover 113 is disposed at an upper end of the first spring 11, and the four second springs 12 are detachably mounted on the end cover 113 to form the spring unit 1.

The difference between this embodiment and embodiment 1 is that the second springs 12 include four, and the diameters of the second springs 12 are smaller than those of the first springs 11, so that the four second springs 12 can be installed on the end cover 113 of the first springs 11, so that the number of the springs 111 of the upper elastic layer can be increased, and the elastic pad adopting the elastic module of this embodiment is more comfortable. Taking an elastic pad of 1 meter by 2 meters as an example, the second spring 12 of the upper elastic layer can be increased by more than 300%. The number of the second springs 12 can be improved according to the needs of the user, but is not limited to 4 in this embodiment. The remainder is the same as in example 1 and will not be described here again.

Example 6

Referring to fig. 48-53, the present embodiment provides an elastic module, which includes a plurality of spring units 1, the spring units 1 include a first spring 11 and a second spring 12, the first spring 11 is axially compressible to a locking position, an end cover 113 is provided at an upper end of the first spring 11, the second spring 12 is detachably mounted on the end cover 113, the plurality of spring units 1 are arranged in an array manner along a transverse direction and a longitudinal direction so that gaps are formed between the four spring units 1, and a third spring 13 is inserted between the gaps formed between the second spring 12 to form the elastic module.

The difference between this embodiment and embodiment 1 is that the third springs 13 are inserted into the upper elastic layer formed by the second springs 12, and because the second springs 12 are in an inverted cone shape, when the second springs 12 are arranged in an array manner in the lateral direction and the longitudinal direction, a space into which a positive cone spring can be inserted is still present in the middle surrounded by the four second springs 12, so that the number of supporting points of the upper elastic layer can be increased by inserting the positive cone third springs 13 into the space, which can make the elastic pad adopting the elastic module of this embodiment more comfortable. Taking an elastic pad of 1 meter by 2 meters as an example, the sum of the numbers of the second springs 12 and the third springs 13 of the upper elastic layer can be increased by more than 80% compared with embodiment 1. The remainder is the same as that of embodiment 1 and embodiment 2 and will not be described again.

Example 7

Referring to fig. 54-55, when the second spring 12 is of a hollow structure, the contact surface between the user and the second spring 12 is only a ring shape, which has a small contact area and is relatively hard, and a thick cushion layer is needed to improve the comfort of the elastic pad, so that the user cannot feel the ring shape. When the cushion layer is thin, the elastic cushion is very comfortable.

Therefore, in order to improve the elastic touch and comfort of the elastic pad, in this embodiment, a flexible spring top cover 14 is disposed above the second spring 12, and the flexible spring top cover 14 is inserted into the cavity structure, so that the contact area of the elastic pad can be increased, and meanwhile, the spring 111 inside the flexible spring top cover 14 has high elasticity and flexibility at the upper end, so that the elastic touch and comfort can be improved.

Example 8

The difference between this embodiment and embodiment 1 is that the connection structure 114 of embodiment 1 is symmetrically disposed around the end cap 113, so that the spring units 1 are connected to each other in the lateral and longitudinal directions such that the spring units 1 are arranged in a matrix.

In this embodiment, the adjacent two rows of spring units 1 are staggered to form hexagonal distribution, so that the number of springs in a unit area is increased, the spring gaps in a quadrilateral layout are reduced, the number of springs can be increased by more than 15%, and the comfort of the elastic pad is greatly improved.

To form such a staggered arrangement, the arrangement of the connection structure 114 is different from that of embodiment 1, and the following modes can be adopted:

1. as shown in fig. 56, the connection structure 114 in embodiment 1 is the same in both the lateral and longitudinal directions, one on each side. In the present embodiment, however, the connection structures 114 for connecting the longitudinal spring units 1 are provided in two on one side, and the two connection structures 114 are provided in an equilateral triangle.

2. As shown in fig. 57, in the present embodiment, the connection structure 114 for connecting the longitudinal spring units 1 is provided at a first portion 1141 along one longitudinal side between two spring units 1 and at a second portion 1142 provided at the other longitudinal side of the spring units 1, and the adjacent two rows of spring units 1 can be arranged in a staggered manner to form a hexagonal distribution by the connection of the first portion 1141 and the second portion 1142. Fig. 58 and 59 are simple variants of fig. 57 and will not be described again.

3. As shown in fig. 60, the connection structure 114 for connecting the longitudinal spring units 1 in the present embodiment is divided into a first portion 1141 provided on one row of the spring units 1, and a second portion 1142 provided on an adjacent row of the spring units 1. Wherein the first portions 1141 are located on both sides of the spring unit 1 in the longitudinal direction. The second portions 1142 are located on both sides in the longitudinal direction between the two spring units 1.

Example 9

In embodiment 8, the spring units 1 are distributed in a hexagonal shape as a whole, that is, the first springs 11 and the second springs 12 are all distributed in a hexagonal shape. Since the second springs 12 are in contact with the human body, the increase in the number of the first springs 11 is limited to improve the comfort of the elastic pad, and increases the cost.

Thus, with the solution with the connection plate 2 according to embodiment 4, the first springs 11 and the second springs 12 are connected to the connection plate 2 by the first plug structure and the second plug structure, respectively, and therefore, the distribution of the first springs 11 and the second springs 12 can be made different by changing the distribution of the first plug structure and the second plug structure on the connection plate 2 to be different. For example, in the present embodiment, the first plugging structures are distributed in an array, so that the first springs 11 are arranged in a matrix. While the second mating structures are staggered in two adjacent rows so that the second springs 12 are hexagonally distributed. This allows an increase in the number of second springs 12 alone, which reduces costs while greatly improving the comfort of the resilient pad. As shown in fig. 61 and 62.

Example 10

In embodiment 6, a third spring 13 of a forward taper shape is interposed between the second springs 12, the second springs 12 are of an inverse taper shape, and the third springs 13 are of a forward taper shape. When the upper elastic layer is pressed, the stress magnitude and direction of the second spring 12 and the third spring 13 are inconsistent, and particularly when the volume of the third spring 13 is smaller than that of the second spring 12, the stress is uneven, which may cause the comfort of the elastic pad to be reduced. So that the second spring 13 and the third spring 13 of the upper elastic layer can be uniformly stressed on the premise of maintaining compactness so as to maintain the comfort of the elastic pad.

Referring to fig. 63-68, in this embodiment, the second spring 12 and the second spring 13 are cylindrical with uniform dimensions. The second spring 12 is slightly smaller than the first spring 11, so that a space capable of accommodating the third spring 13 can be formed after splicing, the second spring 12 and the third spring 13 are consistent in size and are cylindrical, and when the upper elastic layer is pressed, the stress directions and the sizes of the second spring 12 and the third spring 13 are consistent.

The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present invention within the scope of the present invention disclosed herein by this concept, which falls within the actions of invading the protection scope of the present invention.

Claims

1. An elastic module, comprising a plurality of spring units, wherein the plurality of spring units are spliced together to form the elastic module, wherein the spring unit comprises a first spring and a second spring, wherein the first spring is axially compressible to a locked position; an end cap is provided at the upper end of the first spring, and a bottom cap is provided at the bottom of the second spring, wherein the second spring is detachably mounted on the end cap to form the spring unit.

2 . The elastic module according to claim 1 , wherein the bottom cover of the second spring is screwed, plugged or threaded to the end cover.

3. The elastic module according to claim 2 is characterized in that two screw-on parts are symmetrically arranged on the bottom cover of the second spring, and the screw-on parts include a first part and a second part, the first part extends axially from the bottom of the base, and the second part is located at the end of the first part and extends radially outward from the center.

4. The elastic module according to claim 3 is characterized in that a slide rail corresponding to the rotary joint is provided on the top of the end cover as an installation structure, and the slide rail is a strip-shaped concave hole, and the width of the strip-shaped concave hole gradually narrows along the rotation direction of the rotary joint, and the narrowest width of the strip-shaped concave hole is smaller than the width of the second part.

5 . The elastic module according to claim 2 , wherein a plug-in component is provided at the bottom of the bottom cover of the second spring.

6 . The elastic module according to claim 5 , wherein a plug-in slot corresponding to the plug-in component is provided on the top of the end cover.

7. The elastic module according to claim 6 is characterized in that a conical connector with a gradually decreasing radius is provided at the bottom of the bottom cover along the insertion direction, and a plug-in groove corresponding to the conical connector is provided at the top of the end cover, and the conical connector is inserted into the plug-in groove so that the conical connector is self-locked along the vertical direction.

8. The elastic module according to claim 6 is characterized in that two tapered connectors with tapered widths are symmetrically arranged at the bottom of the bottom cover along the insertion direction, and a tapered groove is formed in the middle of the two tapered connectors; tapered connector grooves cooperating with the tapered connector are provided on both sides of the top of the end cover, and a tapered protrusion is formed in the middle of the tapered connector grooves on both sides. The tapered connector is inserted into the tapered connector groove, and the double-conical surface structure formed by the tapered connector and the tapered protrusion is self-locking along the vertical direction.

9. The elastic module according to claim 2 is characterized in that a threaded connector is provided in the end cover, and the thread is provided on the outer wall of the threaded connector; the bottom cover is a circular ring, the inner wall of the circular ring is provided with a thread, and the bottom cover of the second spring is threadedly connected to the threaded connector.

10 . The elastic module according to claim 1 , wherein the spring units are arranged in a hexagonal staggered pattern.

11. An elastic module, comprising a plurality of spring units, which are spliced together to form the elastic module, characterized in that the spring unit comprises a first spring and a second spring, the first spring being axially compressible to a locked position; the top of the first spring comprises an end cover, the bottom of the second spring comprises a bottom cover, and further comprising a connecting plate, the end cover and the bottom cover being mounted on both sides of the connecting plate to form the elastic module.

12. The elastic module according to claim 11, characterized in that a first plug-in structure is provided below the connecting plate to be plugged into the end cover of the first spring; and a second plug-in structure is provided above the connecting plate to be plugged into the bottom cover of the second spring.

13 . The elastic module according to claim 12 , wherein the first springs are arranged in a matrix or in a hexagonal staggered arrangement along the transverse and longitudinal directions.

14 . The elastic module according to claim 12 , wherein the second springs are arranged in a matrix or in a hexagonal staggered arrangement along the transverse and longitudinal directions.

15. The elastic module according to claim 12, wherein circular convex rings are formed on the upper and lower sides of the connecting plate along the vertical direction, and the bottom cover and the end cover are provided with concave holes that are interference fit with the circular convex rings.

16. The elastic module according to claim 12, characterized in that annular slots are formed on the upper and lower sides of the connecting plate along the vertical direction, and a conical connector is provided inside the annular slot to be plugged into the bottom cover or the end cover and self-locked along the axial direction.

17. An elastic module, comprising a plurality of spring units, characterized in that the spring units include a first spring and a second spring, the first spring being compressible to a locked position in the axial direction; an end cap being provided at the upper end of the first spring, and the second spring being detachably mounted on the end cap; the plurality of spring units being arranged in a matrix along the transverse and longitudinal directions so as to form gaps between adjacent rows or columns, and a third spring being inserted between some or all of the gaps to form the elastic module.

18 . The elastic module according to claim 17 , wherein the second spring is in an inverted cone shape, and the third spring is in a forward cone shape.

19. The elastic module according to claim 18, wherein the second spring and the third spring are cylindrical in shape and size.

20. An elastic module, comprising a plurality of spring units, which are spliced together to form the elastic module, characterized in that the spring unit comprises a first spring and at least two second springs, the first spring being compressible to a locked position in the axial direction; an end cover being provided at the upper end of the first spring, and the at least two second springs being detachably mounted on the end cover to form the spring unit.

21 . The elastic module according to claim 20 , wherein the end cover is provided with at least two mounting structures, and the at least two second springs are plugged or screwed to the end cover via the second mounting structures.

22. The elastic module according to any one of claims 1 to 21, wherein the second spring is axially compressible to a locking position.

23. The elastic module according to any one of claims 1 to 21, wherein the second spring is a hollow structure, and a plurality of the second springs can be stacked along the axial direction.

24 . The elastic module according to claim 23 , wherein a flexible spring cover is provided above the second spring, and the flexible spring cover is inserted into the cavity structure.

25. The elastic module according to any one of claims 1 to 21 is characterized in that a base is provided at the other end of the first spring, a first locking structure is provided at the lower end of the end cover along the spring compression direction, and a second locking structure is provided at the upper end of the base along the spring compression direction, and in the locked position, the first locking structure is engaged with the second locking structure.

26. The elastic module according to claim 25, characterized in that two hooks are symmetrically arranged on the lower end surface of the end cover along the compression direction as a first locking structure, and the hook includes a connecting portion and a hook portion, and the hook portion is arranged on the outside of the connecting portion.

27. The elastic module according to claim 26 is characterized in that both sides of the base extend toward the center of the base to form a clip as a second clip structure, and the clip includes a connecting arm and a clip portion, and the clip portion is located at the end of the connecting arm. The clip portion is suspended in the air so that the clip has the elasticity of being pushed up by the hook; when the first spring is in the locking position, the hook portion and the clip portion are engaged along the axial limit fit.

28. The elastic module according to claim 27 is characterized in that the distance between the clamping portion and the central axis of the first spring along the compression direction of the spring gradually approaches so that the clamping portion forms an inclined surface, and under the action of external force, the hook portion slides down along the inclined surface to clamp the bottom end of the clamping portion so that the hook and the clamping part are axially limited and matched.

29 . The elastic module according to claim 28 , wherein under the action of an external force, the hook portion pushes the engaging portion elastically until the hook portion disengages from the engaging portion to release the engagement.

30 . The elastic module according to claim 25 , wherein a push piece is provided on the lower end surface of the end cover along the compression direction, and elastic limiting pieces are provided on both sides of the push piece as a first engaging structure.

31. The elastic module according to claim 30 is characterized in that a limiting groove cooperating with the elastic limiting member is provided on the upper end surface of the base as a second locking structure, and a limiting wall is formed on one side of the limiting groove. Under the action of external force, the pushing member pushes the elastic limiting member to slide into the limiting groove until it is clamped by the limiting wall to achieve buckling.

32. The elastic module according to any one of claims 1 to 21 is characterized in that the first spring comprises a spring and a cloth cover, the cloth cover is wrapped around the outer surface of the spring; a ring is provided on the outside of the top cloth cover of the spring, the lower surface portion of the ring is grooved inward along the vertical direction to form an annular groove, and the bottom surface of the end cover is provided with a locking structure, the locking structure is locked in the annular groove and cooperates with the ring to limit the position.

33. The elastic module according to claim 32, characterized in that the ring includes a first part and a second part, the second part is arranged on the inner side of the cloth cover, the first part is arranged on the outer side of the cloth cover, and the first part and the second part are buckled and fixed to the spring.

34. The elastic module according to claim 25 is characterized in that the first spring includes a spring and a cloth sleeve, and the cloth sleeve is included on the outer surface of the spring; a ring is provided on the outside of the cloth sleeve at the bottom of the spring, and a protrusion is provided on the outside of the ring; the base forms a U-shaped groove along the radial outside, and the top of the outer wall of the U-shaped groove forms a locking structure, the ring is inserted into the U-shaped groove, and the U-shaped groove and the ring are matched along the axial limit.

35. The elastic module according to any one of claims 1 to 21, wherein the spring in the second spring is detachable.

36. An elastic pad, characterized in that it comprises the elastic module according to any one of claims 1 to 35.