Coil spring for mattress, bagged spring and spring mattress

Abstract

The utility model relates to a spiral spring for a mattress, a bagged spring and a spring mattress. The spiral spring for the mattress comprises an upper section part, a middle section part and a lower section part which are sequentially connected from top to bottom, the upper section part is in a cone shape with the outer diameter gradually expanded from top to bottom, the middle section part is in a reducing cylinder shape with the outer diameter gradually expanded and then gradually shrunk from top to bottom, and the lower section part is in an inverted cone shape with the outer diameter gradually shrunk from top to bottom; the bagged spring comprises a cloth bag and the spiral spring for the mattress, the spiral spring is arranged in the cloth bag, the cloth bag is sealed, and the sealed end is located on the side face of the spiral spring for the mattress. A plurality of bagged springs are arranged in the spring mattress and are regularly arranged and distributed in the transverse direction and the longitudinal direction. The spring mattress disclosed by the utility model can provide more comfortable and fit support for users with different figures and weights, is helpful for the users to quickly enter a deep sleep state and keep the deep sleep state, is wide in applicable crowd range and long in service life, and can meet the use requirements of different crowds.

Description

Technical Field

[0001] The utility model relates to a spiral spring for a mattress, a pocket spring and a spring mattress, and belongs to the technical field of spring mattresses. Background Art

[0002] At present, the springs used in spring mattresses are mainly independent pocket springs, series springs or integral structure springs, among which independent pocket springs are the main ones. For example, the utility model patent with publication number CN214207866U discloses a combined mattress spring, including a spring and a cloth bag set outside the spring, the spring includes a primary spring, a secondary spring and a tertiary spring, the connection points of the primary spring, the secondary spring and the tertiary spring are connected by welding, the steel wire diameter of the tertiary spring is greater than the steel wire diameter of the secondary spring, and the steel wire diameter of the secondary spring is greater than the steel wire diameter of the primary spring; a non-woven bag is provided in the spring, and antibacterial particles are contained in the non-woven bag, and the antibacterial particles include six-ring stone particles and nano-silver antibacterial coating, and the nano-silver antibacterial coating wraps the six-ring stone particles. The connection points of the primary spring, the secondary spring and the tertiary spring of the combined mattress spring are connected by welding, and the integrity is good, it is easy to pack, and the efficiency is high; the nano-silver antibacterial coating of the antibacterial particles can play a role in sterilization and mite removal. However, the springs in existing independent pocket springs usually have the same upper and lower structures, the same outer diameter, and are mostly 5-6 coil structures. They are not sensitive enough to support the human body when used in spring mattresses, have poor adaptability to people of different body shapes or weights, are not conducive to improving or maintaining the user's sleeping state, and are prone to deformation and abnormal noise after long-term use. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a spiral spring, a pocket spring and a spring mattress for a mattress, which can accurately capture the user's body information and provide precise tactile support, have high comfort and wide applicability, and help the user to enter a deep sleep state more quickly and maintain it.

[0004] The utility model has a technical solution to achieve the above-mentioned purpose: a spiral spring for a mattress comprises an upper section, a middle section and a lower section connected in sequence from top to bottom, the upper section is in a cone shape with an outer diameter gradually expanding from top to bottom (or the upper section is a conical spiral spring with an outer diameter gradually expanding from top to bottom), the middle section is in a variable diameter cylindrical shape with an outer diameter gradually expanding and then gradually shrinking from top to bottom, and the lower section is in an inverted cone shape with an outer diameter gradually shrinking from top to bottom (or the lower section is an inverted conical spiral spring with an outer diameter gradually shrinking from top to bottom).

[0005] Preferably, the top outer diameter of the middle section (the outer diameter of the spring coil, the same below) is smaller than the bottom outer diameter.

[0006] Preferably, the maximum outer diameter of the middle section is located in the middle of the middle section.

[0007] Preferably, the top outer diameter of the middle section is 54-56 mm, the maximum outer diameter of the middle section is 65-67 mm, and the bottom outer diameter is 61-63 mm.

[0008] Preferably, the outer diameter of the top end of the upper section is 43-44 mm, and the outer diameter of the bottom end of the upper section is 54-56 mm.

[0009] Preferably, the top end portion of the upper section is bent toward the middle section.

[0010] Preferably, the outer diameter of the top end of the upper section is smaller than the outer diameter of the bottom end of the lower section.

[0011] Preferably, the outer diameter of the top end of the lower section is 61-63 mm, and the outer diameter of the bottom end is 51-52 mm.

[0012] Preferably, the bottom end of the lower section is bent toward the middle section.

[0013] Preferably, the pitch of the upper section gradually decreases from bottom to top, and the pitch of the lower section gradually decreases from top to bottom.

[0014] The pitches of the threads in the middle section are the same, or the pitches of the threads in the middle section gradually increase and then decrease from top to bottom.

[0015] When the pitches of the middle section are the same, the pitch of the middle section is greater than the maximum pitch of the upper section and the lower section; when the pitch of the middle section gradually increases and then decreases from top to bottom, the minimum pitch of the middle section is greater than the maximum pitch of the upper section and the lower section.

[0016] Preferably, the number of turns of the upper section is 2-3, the number of turns of the middle section is 3-5, and the number of turns of the lower section is 2-3.

[0017] Preferably, the height of the upper section is 26-29 mm, the height of the middle section is 145-149 mm, and the height of the lower section is 29-32 mm.

[0018] Preferably, the height of the mattress coil spring is 200-210 mm.

[0019] The mattress coil spring can be made of 70# high carbon steel with a carbon content of 0.67-0.75% and a wire diameter of 2.1±0.05mm.

[0020] The mattress spiral spring can be manufactured in parts (referring to the upper part, the middle part and the lower part) separately, and the adjacent parts can be welded together, or can be integrally formed.

[0021] The pocket spring comprises a cloth bag and a spring placed in the cloth bag. The spring adopts any spiral spring for a mattress disclosed in the utility model. The cloth bag is sealed, and the sealing end is located at the side of the spring.

[0022] The mattress coil spring is placed in the cloth bag and is in a compressed state, and the height is preferably 150±10 mm.

[0023] A spring mattress has a plurality of pocket springs arranged inside, wherein the plurality of pocket springs are regularly arranged and distributed in a transverse and longitudinal direction, and the pocket springs are any pocket spring disclosed in the utility model.

[0024] The beneficial effects of the utility model are as follows: since the upper section of the spiral spring for the mattress is conical, when it is applied to the spring mattress, it can accurately capture the body information (mainly referring to the body shape information) of the user (sleeper) and provide accurate touch support. While ensuring the supporting force, the sinking amount of the mattress (or bed net) will be 12-15% greater than that of the mattress using springs with the same upper and lower structures, and the resilience and sensitivity will be higher, the comfort will be better, and it will help the user to enter a deep sleep state more quickly and maintain it; since the middle section of the spiral spring for the mattress is cylindrical with a variable diameter, when the upper section reaches the support limit, it can provide a stronger support effect ( The larger outer diameter makes the spring more elastic), ensuring the use effect; because the lower section of the spiral spring used in the mattress is in an inverted cone shape, it has high sensitivity and can effectively ensure the stability of the whole spring and avoid tilting or bending deformation under the action of external force; the spring mattress of the utility model can provide more comfortable and more fitting support for users of different body shapes and weights. For users with relatively light weight, the body feels soft and wrapped. For users with obvious body curves and relatively heavy weight, the distribution and support of human body pressure are more uniform and comfortable. It is suitable for a wide range of people and has a long service life, which can meet the use needs of different groups of people. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of an implementation mode of the spiral spring for the mattress of the utility model. DETAILED DESCRIPTION

[0026] All directional indications (such as up, down, top, bottom, etc.) in the implementation mode of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings), and do not constitute a limitation on the actual use direction. If the specific posture changes, the directional indication will also change accordingly.

[0027] See also Figure 1The utility model discloses a spiral spring for a mattress, comprising an upper section 1, a middle section 2 and a lower section 3 connected in sequence from top to bottom, wherein the upper section is in a cone shape with an outer diameter gradually expanding from top to bottom (or the upper section is a conical spiral spring with an outer diameter gradually expanding from top to bottom), the middle section is in a variable diameter cylindrical shape with an outer diameter gradually expanding and then gradually shrinking from top to bottom (or the middle section is a variable diameter cylindrical spring), and the lower section is in an inverted cone shape with an outer diameter gradually shrinking from top to bottom (or the lower section is an inverted cone spiral spring with an outer diameter gradually shrinking from top to bottom). The spiral spring for a mattress can be manufactured separately in each section (referring to the upper section, the middle section and the lower section), and the adjacent sections can be welded to form, or it can be integrally formed, and the entire spring (the spiral spring for a mattress) can be wound into an elastic steel wire according to the existing technology.

[0028] The top outer diameter of the middle section (spring coil outer diameter, the same below) is preferably smaller than the bottom outer diameter, and the maximum outer diameter of the middle section is preferably located in the middle of the middle section. The top outer diameter of the middle section can be 54-56 mm, such as 54 mm, 55 mm or 56 mm, the maximum outer diameter of the middle section can be 65-67 mm, such as 65 mm, 66 mm or 67 mm, and the bottom outer diameter can be 61-63 mm, such as 61 mm, 62 mm or 63 mm.

[0029] The outer diameter of the bottom end of the upper section is preferably the same as the outer diameter of the top end of the middle section, or the top end (spring coil) of the middle section serves as the bottom end (spring coil) of the upper section.

[0030] The top outer diameter of the upper section may be 43-44 mm, such as 43 mm or 44 mm, and the bottom outer diameter may be 54-56 mm, such as 54 mm, 55 mm or 56 mm.

[0031] The top outer diameter of the upper section is preferably smaller than the bottom outer diameter of the lower section. The top outer diameter of the lower section is preferably the same as the bottom outer diameter of the middle section, or the bottom end (spring coil) of the middle section serves as the top end (spring coil) of the lower section.

[0032] The top outer diameter of the lower section may be 61-63 mm, such as 61 mm, 62 mm or 63 mm, and the bottom outer diameter may be 51-52 mm, such as 51 mm or 52 mm.

[0033] The top end of the upper section and the bottom end of the lower section are preferably bent toward the direction of the middle section, which can not only improve the sensitivity of force feedback and the supporting effect of the mattress coil spring, but also prevent the upper and lower ends of the spring from puncturing or scratching the cloth bag after the mattress coil spring is placed in a cloth bag (or covering material) to form a bagged spring, thereby extending the service life of the cloth bag.

[0034] The pitch of the upper section preferably decreases gradually from bottom to top, and the pitch of the lower section preferably decreases gradually from top to bottom, so as to improve the sensitivity of the upper section and the lower section. The pitches of the middle section are the same, or the pitch of the middle section first increases gradually from top to bottom and then decreases gradually. When the pitches of the middle section are the same, the pitch of the middle section is greater than the maximum pitch of the upper section and the lower section. When the pitch of the middle section first increases gradually from top to bottom and then decreases gradually, the minimum pitch of the middle section is greater than the maximum pitch of the upper section and the lower section, so as to ensure the support strength of the middle section. The pitch of the upper section is preferably 0-16.7mm, the pitch of the middle section is preferably 38-46.7mm, and the pitch of the lower section is preferably 0-26.9mm.

[0035] When the mattress coil spring is applied to a spring mattress, the upper section, as the comfortable part of the spring, can accurately capture the user's (sleeper's) body information (mainly body shape information) and provide precise touch support. While ensuring the supporting force, the mattress (or bed net) will sink 12-15% more than a mattress with springs that have the same upper and lower structures. It has higher resilience and sensitivity, better comfort, and helps users enter and maintain a deep sleep state more quickly. The middle section, as the supporting part of the spring, can provide stronger support (the larger outer diameter makes the spring more elastic) when the upper section reaches its support limit, ensuring the use effect. The lower section, as the stabilizing part of the bottom of the spring, can effectively ensure the overall stability of the spring and avoid tilting or bending deformation under the action of external force. The combination of the three parts can provide more comfortable and more fitting support for users of different body shapes and weights. For users with relatively light weight, the body feels soft and wrapped. For users with obvious body curves and relatively heavy weight, the distribution and support of human body pressure are more evenly and comfortably. It is suitable for a wide range of people, has a long service life, and can meet the usage needs of different groups of people.

[0036] The number of turns of the upper section can be 2-3 turns, such as 2 turns, 2.5 turns or 3 turns, the number of turns of the middle section can be 3-5 turns, such as 3 turns, 4 turns or 5 turns, and the number of turns of the lower section can be 2-3 turns, such as 2 turns, 2.5 turns or 3 turns.

[0037] The height of the upper section can be 26-29 mm, for example, 26 mm, 27 mm, 28 mm or 29 mm, the height of the middle section can be 145-149 mm, for example, 145 mm, 146 mm, 147 mm, 148 mm or 149 mm, and the height of the lower section can be 29-32 mm, for example, 29 mm, 30 mm, 31 mm or 32 mm, to ensure the functional effect of the spiral spring of the mattress.

[0038] The height of the mattress coil spring is preferably 200-210 mm, such as 200 mm, 202 mm, 204 mm, 206 mm, 208 mm or 210 mm, and the compressed height is 8-12 mm.

[0039] The mattress coil spring can be made of 70# high carbon steel with a carbon content of 0.67-0.75% and a wire diameter of 2.1±0.05mm.

[0040] A preferred embodiment of the mattress spiral spring is: it is made of 70# high carbon steel with a carbon content of 0.7% and a wire diameter of 2.1mm, and the overall height is 200mm. The top outer diameter of the upper section is 43mm, the bottom outer diameter of the upper section is 55mm, the top outer diameter of the middle section is 55mm, the maximum outer diameter of the middle section is located in the middle, and the maximum outer diameter is 66mm. The bottom outer diameter of the middle section is 62mm, and the top outer diameter of the lower section is 62mm. The outer diameter of the bottom end of the lower section is 52mm, the height of the upper section is 26mm, the number of turns is 2.5 turns, and the pitches are 0, 3mm and 16.7mm from top to bottom respectively; the height of the middle section is 145mm, the number of turns is 3 turns, and the pitches are 38mm, 54mm and 46.7mm from top to bottom respectively; the height of the lower section is 29mm, the number of turns is 2 turns, and the pitch is 26.9mm. The overall structural design adopts 7.5 turns, which has better elasticity when the height is constant.

[0041] The utility model also discloses a pocket spring, comprising a cloth bag and a spring placed in the cloth bag, wherein the spring adopts any one of the spiral springs for mattresses disclosed in the utility model, and the cloth bag is sealed, with the sealing end being located on the side of the spring. With such an arrangement, when the pocket spring is placed in a spring mattress or a bed net is made of the pocket spring, it can ensure that the surface of the mattress or the bed net is smooth, the flatness is higher, and the use effect is better.

[0042] The mattress coil spring is placed in the cloth bag and is in a compressed state, and the height is preferably 150±10 mm.

[0043] The utility model also discloses a spring mattress, wherein a plurality of pocket springs are arranged inside the spring mattress, and the plurality of pocket springs are regularly arranged and distributed in the transverse direction and the longitudinal direction, and the pocket springs are any pocket spring disclosed in the utility model.

[0044] For example, in a 1.8*2 meter spring mattress, the pocket springs are arranged in a regular number of 29*32 in the horizontal and vertical directions, and no other materials are attached to the top and bottom of the pocket springs to ensure the independent support characteristics of the pocket springs.

[0045] Any mattress coil spring and pocket spring of the utility model can be used for any spring mattress of the utility model.

[0046] Any spring mattress of the utility model can also adopt any mattress spiral spring and pocket spring of the utility model.

[0047] Unless otherwise specified or one preferred or optional technical means is a further limitation of another technical means, all preferred and optional technical means disclosed in the present utility model can be arbitrarily combined to form several different technical solutions.

Claims

1. A spiral spring for a mattress, characterized in that It comprises an upper section, a middle section and a lower section connected in sequence from top to bottom, the upper section is in a cone shape with an outer diameter gradually expanding from top to bottom, the middle section is in a variable diameter cylindrical shape with an outer diameter first gradually expanding and then gradually shrinking from top to bottom, and the lower section is in an inverted cone shape with an outer diameter gradually shrinking from top to bottom.

2. The mattress coil spring according to claim 1, characterized in that The outer diameter of the top end of the middle section is smaller than the outer diameter of the bottom end.

3. The mattress coil spring according to claim 1, characterized in that The outer diameter of the top end of the upper section is smaller than the outer diameter of the bottom end of the lower section.

4. The mattress coil spring according to claim 1, characterized in that The pitch of the upper section gradually decreases from bottom to top, and the pitch of the lower section gradually decreases from top to bottom.

5. The mattress coil spring according to claim 4, characterized in that The pitch of the middle section is greater than the maximum pitch of the upper section and the lower section.

6. The mattress coil spring according to claim 1, characterized in that The number of turns of the upper section is 2-3, the number of turns of the middle section is 3-5, and the number of turns of the lower section is 2-3.

7. Pocket spring, characterized in that It comprises a cloth bag and a spring placed in the cloth bag, wherein the spring is a spiral spring for a mattress according to any one of claims 1 to 6, and the cloth bag is sealed, with the sealing end being located on the side of the spring.

8. Spring mattress, characterized in that A plurality of pocket springs are arranged inside the bag, and the pocket springs are regularly arranged and distributed in the transverse and longitudinal directions. The pocket springs are the pocket springs described in claim 7.

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