Double-layer spring mattress with springs connected and combined up and down

Abstract

The utility model discloses a double-layer spring mattress with springs connected and combined up and down, which is characterized in that a spring mattress core arranged below a mattress fabric is formed by combining and arranging a plurality of groups of double-layer springs, and upper-layer springs and lower-layer springs of the double-layer springs are in ultrasonic bonding connection through a non-woven fabric packaging bag; cloth corners for increasing the ultrasonic bonding area are reserved at the upper end and the lower end of the non-woven fabric packaging bag. The non-woven fabric corners are reserved when the springs are packaged, so that the non-woven fabric packaging bags for packaging the springs on the upper layer and the lower layer are mutually wrapped, the ultrasonic bonding area between the two non-woven fabric packaging bags is greatly increased, the springs on the upper layer and the lower layer are bonded more tightly, and the performance of the double-layer springs is more stable. Meanwhile, hot melt glue used during bonding of the upper-layer spring packaging bag and the lower-layer spring packaging bag can be reduced, the cost can be reduced, and environmental protection is better achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring mattresses, in particular to a double-layer spring mattress with springs connected in an upper and lower manner. Background Art

[0002] A spring mattress is a common mattress type that uses springs as its support system. These springs can be linked or independent coils encased in fabric. Independent coil springs are encased in non-woven or cotton fabric and then sealed using glue or ultrasonic bonding. The higher the number of coils, the taller and softer the spring. The number of coils arranged is based on the inner diameter of the spring; a smaller inner diameter requires more coils, resulting in a firmer mattress. Independent coil springs are not connected by wire ties; instead, each spring is independent. This allows the user to toss and turn without disturbing the other person's sleep. Furthermore, the pressure is evenly distributed across the body, preventing pain from being suspended in mid-air – a key ergonomic advantage. Independent coil spring mattresses offer a softer feel than linked springs, but high-quality independent coils offer comparable support. Spring mattresses are designed to provide support and comfort, while also offering appropriate springiness and resilience. One of the advantages of spring mattresses is that they offer good ventilation, as air can flow freely between the springs, helping to keep the mattress dry and fresh. Additionally, due to the springy nature of the springs, they also provide a degree of support and shock absorption, helping to reduce pressure on the body and make sleep more comfortable.

[0003] At present, most independent spring mattresses on the market use a single-layer spring structure. Due to the good support of independent spring mattresses, they may feel too hard for some people, which is not suitable for their sleeping habits and cannot adapt to different user groups. The existing double-layer spring mattresses use two independent pocket springs connected up and down, and a large amount of hot melt glue is required to glue the cloth bags of the two together. Too much hot melt glue may affect the performance of the springs, and the solvents in the production and use of hot melt glue may volatilize harmful substances, causing pollution to the environment. Summary of the Invention

[0004] The purpose of the utility model is to address the defects and shortcomings of the existing technology and provide a double-layer spring mattress with springs connected in an upper and lower combination. The structure is simple and reasonable, and the bonding area of ​​the non-woven fabric wrapped around the springs is increased, so that the upper and lower layers of springs are more tightly fitted, and the characteristics of the double-layer springs are more stable. At the same time, the use of hot melt glue when bonding the springs can be reduced.

[0005] In order to solve the problems existing in the background technology, the present invention adopts the following technical solution: a double-layer spring mattress with springs connected in an upper and lower manner, the spring bed core arranged under the mattress fabric is composed of a plurality of groups of double-layer springs arranged in a combination, the upper springs and the lower springs of the double-layer springs are connected by ultrasonic bonding of a non-woven fabric packaging bag, and the upper and lower ends of the non-woven fabric packaging bag are reserved with cloth corners to increase the ultrasonic bonding area.

[0006] The utility model reserves corners of non-woven fabric when packaging springs, so that the non-woven fabric packaging bags packaged in the upper and lower springs wrap each other, greatly increasing the ultrasonic bonding area between the two non-woven fabric packaging bags. Ultrasonic bonding is a technology that uses ultrasonic energy to bond two or more materials together. It transmits ultrasonic energy to the bonding interface through high-frequency vibration, causing frictional heat to be generated between the material molecules, thereby achieving the purpose of bonding, making the upper and lower springs bonded more tightly, and making the performance of the double-layer spring more stable. At the same time, it can reduce the hot melt glue used in bonding the upper and lower spring packaging bags, thereby reducing costs and being more environmentally friendly.

[0007] This utility model can set upper and lower springs of different specifications according to the size of the mattress, the user group (such as the elderly and children), height, weight, etc., and can also be customized according to the different sleeping needs and preferences of different users to provide a more personalized sleeping experience, so as to provide better support and comfort, so that all parts of the body are fully supported, pressure points are reduced, which helps to relieve problems such as back pain and provide a more comfortable sleeping experience; a mattress with a multi-layer spring structure can also be used, and springs of different layers and types can provide different degrees of elasticity and comfort to meet the needs of different people.

[0008] Preferably, the fabric of the non-woven packaging bag is polypropylene needle-punched non-woven fabric.

[0009] The polypropylene needle-punched non-woven fabric preferably used in the non-woven packaging bag of the present invention is commonly known as cool cloth. It is a non-woven fabric made of polypropylene fiber through a needle-punching process. Polypropylene is a common synthetic fiber. The polypropylene fibers are intertwined with each other through the needle-punching action of a needle-punching machine to form a non-woven fabric with a certain strength and thickness; the polypropylene needle-punched non-woven fabric has good physical properties, can withstand a certain amount of stretching and pressure, has good tolerance to most chemicals, is not susceptible to corrosion, is resistant to aging, and can be ultrasonically bonded and high-frequency bonded; the polypropylene needle-punched non-woven fabric can allow air and moisture to pass through, and has good air permeability and moisture absorption when used on mattress springs, providing a comfortable sleeping experience.

[0010] Preferably, the diameter of the upper spring is 40 mm, the wire diameter is 1.1 mm, the material is 70# carbon steel, the effective number of turns is 7 turns, and the elongation is 6 cm; the diameter of the lower spring is 40 mm, the wire diameter is 1.3 mm, the material is 70# carbon steel, the effective number of turns is 8 turns, and the elongation is 14 cm.

[0011] This utility model utilizes upper and lower springs of the aforementioned specifications, each wrapped in non-woven fabric and ultrasonically bonded together, to produce a double-layer mattress spring core. This mattress has been tested on individuals weighing 50 to 90 kg and has demonstrated a positive sleep experience, meeting the sleep needs of diverse individuals. The utility model also adjusts the spring material based on height and weight, utilizing springs of varying diameters, wire diameters, materials, and effective coil counts. This double-layer spring mattress offers enhanced support and resilience, and the spring's elasticity contributes to a superior resilience, providing a soft and comfortable sleep experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a cross-sectional schematic diagram of a specific embodiment of the present utility model;

[0014] Numbers in the figure:

[0015] 1. Upper spring;

[0016] 2. Lower spring;

[0017] 3. Non-woven packaging bags;

[0018] 31. Cloth corner. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] See also Figure 1This specific embodiment adopts the following technical solution: a double-layer spring mattress with springs connected in an upper and lower arrangement. The spring core, located below the mattress fabric, is composed of multiple groups of double-layer springs arranged in a combination. The upper spring 1 and lower spring 2 of the double-layer spring are ultrasonically bonded together via a non-woven fabric packaging bag 3. Fabric corners 31 are reserved at both the upper and lower ends of the non-woven fabric packaging bag 3 to increase the ultrasonic bonding area. This specific embodiment uses the reserved non-woven fabric corners 31 when packaging the springs, allowing the non-woven fabric packaging bags 3 wrapped around the upper and lower springs to wrap around each other, greatly increasing the ultrasonic bonding area between the two non-woven fabric packaging bags 3. Ultrasonic bonding is a technology that uses ultrasonic energy to bond two or more materials together. It transmits ultrasonic energy to the bonding interface through high-frequency vibration, generating frictional heat between the material molecules, thereby achieving the purpose of bonding. This makes the upper and lower springs more tightly bonded and the performance of the double-layer spring more stable. At the same time, it can reduce the use of hot melt glue when bonding the upper and lower spring packaging bags, thereby reducing costs and being more environmentally friendly.

[0021] This specific embodiment can set upper springs 1 and lower springs 2 of different specifications according to the size of the mattress, the user group (such as the elderly, children), height, weight, etc., and can also be customized according to the different sleeping needs and preferences of different users to provide a more personalized sleeping experience, so as to provide better support and comfort, so that all parts of the body are fully supported, pressure points are reduced, and it helps to relieve problems such as back pain and provide a more comfortable sleeping experience; a mattress with a multi-layer spring structure can also be used, and springs of different layers and types can provide different degrees of elasticity and comfort to meet the needs of different people.

[0022] In this embodiment, the non-woven fabric packaging bag 3 is made of polypropylene needle-punched non-woven fabric. The polypropylene needle-punched non-woven fabric used in this embodiment, commonly known as cool cloth, is a non-woven fabric made from polypropylene fibers (a common synthetic fiber) through a needle-punching process. The fibers are interwoven through the needle-punching process to form a non-woven fabric with a certain strength and thickness. The polypropylene needle-punched non-woven fabric has excellent physical properties, can withstand certain stretching and pressure, has good tolerance to most chemicals, is not susceptible to corrosion, is resistant to aging, and can be ultrasonically bonded and high-frequency bonded. The polypropylene needle-punched non-woven fabric is air- and moisture-permeable, and when used on mattress springs, it also has good breathability and moisture absorption, providing a comfortable sleeping experience.

[0023] In this specific embodiment, the upper spring 1 has a diameter of 40 mm, a wire diameter of 1.1 mm, is made of 70# carbon steel, has 7 effective turns, and an elongation of 6 cm. The lower spring 2 has a diameter of 40 mm, a wire diameter of 1.3 mm, is made of 70# carbon steel, has 8 effective turns, and an elongation of 14 cm. This specific embodiment uses the upper and lower springs of the above specifications, each wrapped in non-woven fabric and ultrasonically bonded, to produce a double-layer mattress spring core. This mattress has been tested on people weighing 50 to 90 kg and has achieved a good sleeping experience, meeting the sleep needs of different groups of people. The utility model can also adjust the spring material according to the height and weight of the human body, using springs of different diameters, wire diameters, materials, and effective turns. The double-layer spring mattress has better support and elasticity. The elasticity of the springs can make the mattress have better resilience, making people feel soft and comfortable during sleep.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

[0025] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A double-layer spring mattress with springs connected in an upper and lower manner, characterized in that: The spring bed core arranged below the mattress fabric is composed of a plurality of groups of double-layer springs arranged in combination, wherein the upper spring (1) and the lower spring (2) of the double-layer spring are ultrasonically bonded together via a non-woven fabric packaging bag (3), and the upper and lower ends of the non-woven fabric packaging bag (3) are both provided with cloth corners (31) for increasing the ultrasonic bonding area.

2. The double-layer spring mattress with springs connected up and down according to claim 1, characterized in that: The fabric of the non-woven packaging bag (3) is polypropylene needle-punched non-woven fabric.

3. The double-layer spring mattress with springs connected up and down according to claim 1, characterized in that: The upper spring (1) has a diameter of 40 mm, a wire diameter of 1.1 mm, is made of 70# carbon steel, has an effective number of turns of 7, and an elongation of 6 cm. The lower spring (2) has a diameter of 40 mm, a wire diameter of 1.3 mm, is made of 70# carbon steel, has an effective number of turns of 8, and an elongation of 14 cm.

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