JP2002085203A - Mattress system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mattress system which is easily and surely bent. SOLUTION: In the mattress system in which a continuous spring body 22 is formed, by continuously connecting pluralities of coil parts 23 to the upper and lower ends of the adjacent coil parts by an upper connection rod and a lower connection rod through the use of one wire, the pluralities of continuous spring bodies are arranged side by side, the upper and lower ends of the adjacent continuous spring bodies are respectively connected with helical wires 26, and frame wires are arranged on the upper and lower surface peripheral parts to obtain a spring unit 21, then cushion bodies are laminated on the upper and lower surfaces of the spring unit, and the laminate body is covered with an outer cloth, one upper removal part 27 where the helical wire is removed over a whole length in a width direction cross to the longitudinal direction of the continuous spring body is formed on the upper surface of the spring unit, and two lower removal parts 28a and 28b where the helical wire is removed over the whole length of the width direction are formed on the lower surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mattress device used for a back-up type bed.

[0002]

2. Description of the Related Art In general, a mattress device has a spring unit, a sheet-like cushion body is laminated on upper and lower surfaces of the spring unit, and this laminated body is covered with a bag-shaped sewing body. You.

The above-mentioned spring unit is formed by arranging a large number of spring bodies in a rectangular shape, and connecting the upper end face and the lower end face of adjacent spring bodies with a helical wire. By providing a frame line, the hardness of the peripheral portion of the spring unit is improved.

[0004] The mattress device having such a configuration is sometimes used for a wake-up bed used by a person who is difficult to get up by himself such as a sick person or an elderly person. The wake-up bed has a bed frame as is well known, and the bed frame is provided with a floor plate. This floor plate is divided into a plurality of floors, of which a central floor is formed as a fixed floor fixed to a bed frame, and a back floor is pivotally attached to one side of the fixed floor, A first leg floor and a second leg floor are sequentially pivotally mounted on the side.

A lowering drive mechanism is provided on the lower surface side of the floor plate. The back raising drive mechanism has a back raising arm and a leg raising arm, and each arm is driven in a rising direction.

When the back raising arm is driven in the rising direction, the back floor rises. When the leg lifting arm is driven in the rising direction, the first leg floor rotates in the rising direction. The second leg floor is linked to the movement of the first leg floor. And
The first and second leg floors are held in a state of being bent in a substantially U-shape.

[0007] As a result, the user lying on the mattress device of the floor plate body is raised. In addition, since the user has the legs bent and held by the first and second leg floors in a substantially U-shape, the user who has raised the upper body is prevented from moving the buttocks forward, The posture in which the upper body is raised can be easily maintained.

[0008]

The mattress device used in such a wake-up type bed is curved along a curved surface formed by each floor when each floor of the floor plate is driven in the rising direction. It is required to have a flexible structure.

If the mattress device does not have the flexibility to bend along the curved surface of each bent floor portion, for example, when the back floor portion is raised, the mattress device may be bent from the bent connection portion between the fixed floor portion and the back floor portion. The mattress rises. As a result, the user's buttocks may rise, and the upper body cannot be raised in a stable state.

[0010] It is an object of the present invention to provide a mattress device which, when used in a back-up type bed, is easily curved in accordance with rising of a floor portion of a floor plate.

[0011]

According to a first aspect of the present invention, a plurality of coil portions and an upper end and a lower end of an adjacent coil portion are connected by an upper connecting rod and a lower connecting rod by a single wire. A spring body is formed, a plurality of continuous spring bodies are juxtaposed, and upper and lower ends of adjacent continuous spring bodies are connected by helical lines along the longitudinal direction of the continuous spring bodies, respectively. In a mattress device in which a frame is provided on the upper and lower peripheral edges to form a spring unit, a cushion body is laminated on the upper and lower surfaces of the spring unit, and the laminated body is covered with an exterior ground, the upper surface of the spring unit includes At least one upper removal portion that removes the helical wire over the entire length in the width direction intersecting with the longitudinal direction of the spring body is formed, and the helical wire is removed on the lower surface over the entire length in the width direction. Lying mattress apparatus according to claim in which part removal portion is formed at least two positions.

According to a second aspect of the present invention, there is provided the mattress device according to the first aspect, wherein the frame line is divided at a portion corresponding to each of the removing portions.

According to a third aspect of the present invention, in the mattress device according to the first aspect, the cushion body laminated on the lower surface of the spring unit is divided at a portion corresponding to the lower removal portion. .

According to the present invention, the upper surface of the spring unit is formed with at least one upper removal portion where the helical wire is removed over the entire length in the width direction, and the lower surface is provided with at least two locations where the helical wire is removed over the entire length in the width direction. Was formed at the lower portion. Therefore, when the mattress device is bent, the helical wire does not become a resistance, so that the bending can be performed smoothly.

[0015]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 8 shows a wake-up bed 2 using the mattress device 1 of the present invention. This wake-up bed 2
A base 3 formed in a rectangular frame shape is provided. This substrate 1
A head board 3a is provided at one end in the longitudinal direction, and a foot board 3b is provided at the other end.
c is provided.

A floor plate 4 is provided on the upper surface of the base 3. The floor plate 4 is divided into four floors.
That is, the floor plate 4 has a fixed floor portion 4a fixed to the base 3, and a back floor portion 4b is rotatably connected to one side of the fixed floor portion 4a. On the other side of the fixed floor 4a, a first
The leg floor portion 4c and the second leg floor portion 4d are sequentially rotatably connected.

A pair of horizontal rods 5 are provided at predetermined intervals in the longitudinal direction of the base 3. From each horizontal rod 5, a pair of arms 6 (only one is shown) extending at predetermined intervals along the longitudinal direction of the horizontal rod 5 extend downward. One arm 6 rotatably supports a first shaft 7, and the other arm 6 rotatably supports a second shaft 8.

One end of a first lever 9 is fixed to the first shaft 7, and one end of a second lever 11 is fixed to the second shaft 8. Rollers 12 are rotatably provided at the other ends of the levers 9 and 11, respectively.

The roller 12 provided on the first lever 9 abuts on a first inclined surface 13 provided on the lower surface of the back floor 4b, and the roller 12 provided on the second lever 11 is provided on the first lever 9. It is in contact with a second inclined surface 14 provided on the lower surface of the leg floor 4c. Further, one end of a third lever 15 is pivotally attached to the lower surface of the second leg floor 4d. The other end of the third lever 15 is pivotally attached to the base 3.

The base 3 is provided with a driving device 16 located on the lower surface of the floor plate 4. The driving device 16 drives the first shaft 7 and the second shaft 8 to rotate. When the first shaft 7 is driven to rotate clockwise as indicated by the arrow, the back lever 4b is driven in the upright direction by the first lever 9 interlocked therewith.

When the second shaft 8 is rotationally driven in the counterclockwise direction indicated by the arrow, the first lever floor portion 4c is driven in the upright direction by the second lever 11 interlocked therewith. Second
Is linked to the first leg floor 4c, whereby the first leg floor 4c and the second leg floor 4d bend in a substantially U-shape, and in this state, the second Is held by the third lever 15.

The mattress device 1 of the present invention is placed on the floor plate 4 of the wake-up bed 2 having the above-described configuration. As shown in FIG. 1, the mattress device 1 has a spring unit 21 whose planar shape is formed in a rectangular shape having substantially the same size as the floor plate 4. This spring unit 21 is formed by arranging a plurality of continuous spring bodies 22 side by side.

As shown in FIGS. 6 and 7, the continuous spring body 22 is adjacent to a plurality of coil portions 23 whose axes are separated by a single wire at substantially predetermined intervals indicated by P in FIG. It is formed by an upper connecting rod 24 and a lower connecting rod 25 in which the upper end and the lower end of the coil portion 23 are alternately connected. The upper connecting rod 24 and the lower connecting rod 25 are formed in a Z-shape in plan view as shown in FIG.

The continuous spring bodies 22 having the above-described configuration are arranged side by side with the longitudinal direction thereof along the longitudinal direction of the spring unit 21. Both ends in the width direction of the upper end and the lower end of the adjacent continuous spring bodies 22 are connected by helical wires 26 formed of wires thinner than the continuous spring bodies 22, respectively.

As shown in FIGS. 1 to 3, one upper removal portion 27 is formed on the upper surface of the spring unit 21 by removing the connection of the upper ends of the adjacent continuous spring bodies 22 over the entire length of the spring unit 21 in the width direction. On the lower surface, two lower removal portions 28a and 28b are also formed in which the connection of the lower ends of the adjacent continuous spring bodies 22 is removed over the entire length of the spring unit 21 in the width direction.

When the mattress device 1 is placed on the floor plate 4, the upper removing portion 27 is connected to the first leg floor portion 4c and the second leg floor portion 4c.
Of the lower floor portion 4d, one of the lower removal portions 28a corresponds to the connection portion of the fixed floor portion 4a and the back floor portion 4b, and the other lower removal portion 28b corresponds to the fixed floor portion. It is located at a position corresponding to a connecting portion between the portion 4a and the first leg floor portion 4c.

An upper frame line 31 and a lower frame line 32 are connected and fixed to the entire length of the periphery of the upper and lower surfaces of the spring unit 21 by clips (not shown). As shown in FIGS. 2A and 2B, the upper frame line 31 and the lower frame line 32 are separated at portions corresponding to the upper removal unit 27 and the lower removal units 28a and 28b, respectively. Thereby, the upper frame line 31 and the lower frame line 32 are divided into four frame line portions 31a to 31d and 32a to 32d, respectively.

As shown in FIG. 5, an upper cushion body 33 is laminated on the upper surface of the spring unit 21, and a lower cushion body 34 is laminated on the lower surface. As shown in FIG. 4, the lower cushion body 34 is divided over the entire length in the width direction at portions corresponding to the two lower removal portions 28 a and 28 b, thereby forming three cushion portions 34 a to 34 c.

As shown in FIG. 5, the upper cushion body 33 and the lower cushion body 34 are made of resin wool 35 respectively.
Are laminated. And the spring unit 21,
The laminated body of each of the cushion bodies 33 and 34 and the resin cotton 35 is covered with an exterior fabric 36 obtained by sewing fabric into a bag shape. The exterior ground 36 is the upper mirror ground 3 covering the upper surface of the laminate.
6a, a lower mirror ground 36b covering the lower surface and having elasticity, and a town ground 36c covering the outer peripheral surface. Note that the entire exterior fabric 36 may be formed of stretchable fabric.

The mattress device 1 having such a configuration is placed on the floor plate 4 of the wake-up bed 2 and the drive unit 16 is operated to operate the back floor portion 4b and the first and second leg floor portions 4c. 4
When d is raised as shown in FIG. 8, the mattress device 1 is bent by the floors 4b, 4c, and 4d.

The spring unit 2 of the mattress device 1
1, a lower removal portion 28a is formed on a lower surface corresponding to a connection portion between the back floor portion 4b and the fixed floor portion 4a, and corresponds to a connection portion between the fixed floor portion 4a and the first leg floor portion 4c. Similarly, a lower removal portion 28b is formed on the lower surface. Further, an upper removing portion 27 is provided on the upper surface of the spring unit 21 corresponding to the connecting portion between the first leg floor 4c and the second leg floor 4d.
Are formed.

Each of the removing portions 27 and 28 has a configuration in which the connection of the adjacent continuous spring bodies 22 by the helical wire 26 is removed over the entire length in the width direction as described above. Therefore, the lower removal portions 28a, 28 of the spring unit 21
b is formed in the spring unit 21
When the upper unit 27 is formed, the resistance of the spring unit 21 when it is bent to the upper surface side is reduced.

The upper frame line 31 and the lower frame line 32 provided on the upper and lower peripheral edges of the spring unit 21 are separated at positions corresponding to the upper removing section 27 and the lower removing sections 28a and 28b. Therefore, the spring unit 21
Are bent at portions corresponding to the bent portions 27 and 28, the frame lines 31 and 32 do not become resistance.

Further, the lower cushion body 34 joined to the lower surface of the spring unit 21 is divided at portions corresponding to the pair of lower removing portions 28a and 28b. Therefore, when the mattress device 1 bends downward at the lower removal portions 28a and 28b, the lower cushion body 34 does not become a resistance.

In view of the above, in order to raise the upper body of a user who lies on the mattress device 2, the wake-up bed 2
When the back floor portion 4b and the first and second leg floor portions 4c and 4d are raised, the spring unit 21 of the mattress device 2 is bent without a large bending resistance according to the rising. .

As a result, the mattress device 2 is bent without lifting from the floor plate 4 against the load of the user lying on the mattress device 2, and may cause discomfort to the user when raising the back. This prevents the backrest state from becoming unstable.

In the above embodiment, the spring unit 21 has one upper removing portion 27 and the lower removing portion 28a,
28b are formed in two places, but the number of these removal parts is not limited, and for example, between the fixed floor part and the back floor part,
If the waist floor is provided so that it can be raised and lowered in order to reduce the degree of compression of the user's waist, if three lower removal parts are provided, it can be raised relative to the fixed floor. The spring unit can be smoothly curved in accordance with the bending of the waist floor portion and the back floor portion.

That is, the number of the upper removed portions is at least one, and the number of the lower removed portions is at least two.

[0040]

As described above, according to the present invention, at least one upper removal portion is formed on the upper surface of the spring unit by removing the helical wire over the entire length in the width direction. At least two lower removal portions were formed.

Accordingly, when the mattress device is bent, the helical wire does not become a resistance, so that the bending can be performed smoothly.

Further, since the frame lines provided at the peripheral portions of the upper and lower surfaces of the spring unit are divided at portions corresponding to the upper removal portion and the lower removal portion, the frame lines when bending the spring unit are formed. Resistance can be prevented.

Further, since the cushion body laminated on the lower surface of the spring unit is divided at a portion corresponding to the lower removal portion, it is possible to prevent the cushion body from becoming a resistance when the spring unit is bent. .

[Brief description of the drawings]

FIG. 1 is a plan view of a mattress device according to an embodiment of the present invention, with a part of an exterior ground removed.

2A is a plan view showing an upper surface of a spring unit, and FIG. 2B is a plan view showing a lower surface of the spring unit.

FIG. 3 is a side view of a spring unit.

FIG. 4 is a plan view showing a lower cushion body laminated on a lower surface of a spring unit.

FIG. 5 is a sectional view showing a part of the mattress device.

FIG. 6 is an enlarged plan view of a part of a spring unit.

FIG. 7 is a side view showing a part of the continuous spring body.

FIG. 8 is a side view showing a schematic configuration of a wake-up bed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 ... Spring unit 22 ... Continuous spring body 23 ... Coil part 24 ... Upper connecting rod 25 ... Lower connecting rod 26 ... Helical wire 27 ... Upper removal part 28a, 28b ... Lower removal part 31 ... Upper frame line 32 ... Lower frame line 33 ... upper cushion body 34 ... lower cushion body 35 ... exterior ground

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Yasuji Iwata 1148 Nakagamicho, Akishima-shi, Tokyo Inside the French Plant Co., Ltd. (72) Inventor Yoshiharu Hamaguchi 1148 Nakagamicho, Akishima-shi, Tokyo Francebed shares Takashi Hasegawa Inventor Takashi Hasegawa 1148 Nakagamicho, Akishima-shi, Tokyo F-Bed Co., Ltd. Tokyo Plant F-term (reference) 3B096 AB07 AD02 AD07 4C040 AA05 BB06 CC10 DD05

Claims (3)

[Claims] 1. A continuous spring body in which an upper connecting rod and a lower connecting rod respectively connect upper and lower ends of a plurality of coil portions and an adjacent coil portion with one wire to form a plurality of continuous spring members. The upper and lower ends of adjacent continuous spring bodies are connected by helical lines along the longitudinal direction of the continuous spring body, and frame lines are provided at upper and lower peripheral edges of the connected continuous spring bodies. In a mattress device in which a cushion body is laminated on the upper and lower surfaces of the spring unit and the laminated body is covered with an exterior ground, an upper surface of the spring unit has a total length in a width direction intersecting a longitudinal direction of the continuous spring body. At least one upper removal part where the helical line is removed is formed at least one place, and at least two lower removal parts where the helical line is removed over the entire length in the width direction are formed on the lower surface Mattress apparatus characterized by being. 2. The mattress device according to claim 1, wherein the frame line is divided at a portion corresponding to each of the removal units. 3. The mattress device according to claim 1, wherein the cushion body laminated on the lower surface of the spring unit is divided at a portion corresponding to the lower removal portion.