JP2023070433A - Mattress deviation stopper, and bed including the same - Google Patents

Abstract

To provide a mattress deviation stopper capable of facilitating removing while preventing unnecessary removal.SOLUTION: There are provided: a base part 25 to be attached to a bed 1 side; and a stopper part 27 raised from the base part 25, and suppressing deviation of a mattress 9 at the bed 1 side. The base part 25 comprises: an upper engaging part 29 inserted into an upper engaged part 17 comprising an opening at the bed 1 side, and engaged with a marginal part 17a of the upper engaged part 17 from a lower side so as to resist outward force acting on the stopper part 27; a lower engaging part 31 engaged with a lower engaged part 19 at the bed 1 side, and holding an engagement state of the upper engaging part 29; and a bending part 33 disposed between the upper engaging part 29 and the lower engaging part 31, and capable of releasing engagement of the lower engaging part 31 by bending.SELECTED DRAWING: Figure 3

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mattress anti-slip device for suppressing slippage of a mattress and a bed equipped with the same.

As a conventional mattress anti-slip device, for example, there is one described in Patent Document 1. This mattress anti-slip device has a mounting portion for attachment to the bed side and a stop plate erected from the mounting portion, and the stop plate abuts to prevent slippage of the mattress.

Such a mattress anti-slip device has an attachment portion that engages the bed side at the top and bottom and has openings between the upper and lower engaging portions, and can be easily removed by applying force to the stopper plate to the outside. make it possible.

However, the above-described conventional mattress anti-slip tool may come off accidentally from the side of the bed when force is applied outwardly from the mattress to the stopper plate during use of the bed.

JP 2012-70866

The problem to be solved is that the easy-to-remove mattress anti-slip device may come off inadvertently.

The present invention comprises a base portion for attaching to the bed side, and a stopper portion erected from the base portion to suppress displacement of the mattress on the bed side, and the base portion extends from an opening on the bed side. an upper engaging portion that is inserted into the upper engaged portion and engages with the edge portion of the upper engaged portion from below to resist an outward force acting on the stopper portion; and a lower engaging portion that engages with the lower engaged portion to maintain the engaged state of the upper engaging portion; To provide a mattress anti-slip device having a flexible part capable of releasing the engagement of the lower engaging part.

Further, the present invention provides a bed equipped with the above-mentioned mattress slip stopper.

ADVANTAGE OF THE INVENTION According to this invention, removal of a mattress slip prevention tool can be facilitated, preventing that a mattress slip prevention tool comes off carelessly.

1 is a perspective view showing a bed having a mattress anti-slip device (Example 1). FIG. FIG. 2 is a perspective view of a main part of the bed in FIG. 1 (Example 1); FIG. 3 is a cross-sectional view of the essential parts of the bed in FIG. 2 (Example 1); It is a perspective view of the attachment part of a mattress stopper, (A) shows a surface side, (B) shows a back surface side (Example 1). It is a perspective view which shows a mattress stopper (Example 1). FIG. 10 is a cross-sectional view of the essential parts of the bed showing removal of the mattress stopper (Embodiment 1).

The purpose of facilitating the removal of the mattress anti-slip device while preventing the mattress anti-slip device from being accidentally removed is achieved by the upper engaging portion resisting the outward force acting on the stopper portion. It was realized.

That is, the mattress slip stopper (13) includes a base portion (25) for attaching to the bed (1) and a base portion (25) erected to prevent slippage of the mattress (9) on the bed (1) side. and a stopper portion (27) for restraining.

The base portion (25) comprises an upper engaging portion (29), a lower engaging portion (31) and a flexible portion (33). The upper engaging portion (29) is inserted into the upper engaged portion (17) formed by the opening on the side of the bed (1), and is attached to the edge (17a) of the upper engaged portion (17). to resist the outward force acting on the stop portion (27). The lower engaging portion (31) engages with the lower engaged portion (19) on the bed (1) side to maintain the engaged state of the upper engaging portion (29). A flexible portion (33) is provided between the upper engaging portion (29) and the lower engaging portion (31), and allows the lower engaging portion (31) to be disengaged by bending.

The flexible portion (33) may be made thinner, have an opening, or have a bellows shape, etc., as long as it is more flexible than other portions of the base portion (25).

The base portion (25) protrudes below the lower engaging portion (31) along the flexible portion (33) and has a projecting portion (35) for operation when the flexible portion (33) is deflected. good too.

FIG. 1 is a perspective view showing a bed having a mattress anti-slip device according to Embodiment 1 of the present invention.

The bed 1 of the present embodiment is a nursing bed used, for example, in nursing facilities, hospitals, and the like. The bed 1 is supported on an installation surface such as a floor so that a bed frame 5 can be vertically moved via legs 3 . A bottom 7 is attached to the bed frame 5 and a mattress 9 is placed on the bottom 7 .

A headboard 11a and a footboard 11b are erected from the bed frame 5 on both sides of the bed 1 in the longitudinal direction. Mattress slip stoppers 13 are attached to both sides of the bed 1 in the width direction. The longitudinal direction and the width direction refer to the longitudinal direction and the width direction of the bed 1 in plan view (hereinafter the same). Note that the bed 1 is an example of a bed to which the mattress anti-slip device 13 is attached, and is not limited to this.

FIG. 2 is a perspective view of essential parts of the bed 1 of FIG. FIG. 3 is a cross-sectional view of essential parts of the bed 1 of FIG. 4A and 4B are perspective views of the attachment portion 15 of the mattress stopper 13, FIG. 4A showing the front side and FIG. 4B showing the back side.

The mattress anti-slip device 13 of this embodiment is attached to the attachment portion 15 of the bottom 7 . The bottom 7 is formed in a plate shape from resin or the like. The mounting portion 15 is provided at the widthwise edge of the plate-like bottom 7 . The mounting portion 15 may be provided on the bed 1 side, and may be provided on the bed frame 5 or the like other than the bottom 7 .

The mounting portion 15 has a plate-like shape that is concave with respect to the front surface 7a, the side surface 7b, and the rear surface 7c of the bottom 7. As shown in FIG. The mounting portion 15 includes an upper engaged portion 17 and a lower engaged portion 19 . It should be noted that the mounting portion 15 need not be concave as long as it has the upper engaged portion 17 and the lower engaged portion 19 .

The upper engaged portion 17 is provided on the surface 15 a of the mounting portion 15 . A surface 15 a of the mounting portion 15 is generally flat and has a recess corresponding to the shape of the bottom 7 . Note that the surface 15a of the mounting portion 15 may have a shape that does not have a concave portion.

In this embodiment, a pair of upper engaged portions 17 are provided on both sides of the mounting portion 15 in the width direction. Each upper engaged portion 17 is an opening having a rectangular planar shape. The planar shape of the upper engaged portion 17 can be appropriately set according to the shape of the upper engaging portion 29 of the mattress anti-slip device 13, which will be described later. Also, the number of upper engaged portions 17 can be appropriately set according to the upper engaging portions 29 of the mattress anti-slip device 13 .

The upper engaged portion 17 is formed by a through hole 23 penetrating between the front surface 15 a and the back surface 15 b of the mounting portion 15 and opening on the front surface 15 a of the mounting portion 15 . The upper engaged portion 17 can also be formed by a groove that does not reach the back surface 15b.

The through hole 23 is formed along the vertical direction. The through hole 23 has a bulging hole portion 23 a that bulges inward in the width direction below the upper engaged portion 17 . Therefore, the bulging hole portion 23a has a shape in which the edge portion 17a on the inner side in the width direction of the upper engaged portion 17 overhangs (protrudes) above the through hole 23 toward the outer side in the width direction.

The bulging hole portion 23a extends from the edge portion 17a of the upper engaged portion 17 to the rear surface 15b of the mounting portion 15 in the vertical direction. However, if the edge portion 17a of the upper engaged portion 17 can be shaped to protrude outward in the width direction above the through hole 23, the bulging hole portion 23a can be formed up to the middle portion of the through hole 23 in the vertical direction. may

Further, the upper end of the bulging hole portion 23a is located on the same plane as the upper engaged portion 17. However, for example, the upper end of the bulging hole portion 23a may be located on a plane that is vertically displaced from the upper engaged portion 17. good.

The lower engaged portion 19 is provided on the rear surface 15 b of the mounting portion 15 . In this embodiment, a pair of lower engaged portions 19 are provided on both sides of the mounting portion 15 in the longitudinal direction. The lower engaged portion 19 is located outside the upper engaged portion 17 in the width direction.

The lower engaged portion 19 is an opening having a rectangular planar shape. The planar shape of the lower engaged portion 19 can be appropriately set according to the shape of the lower engaging portion 31 of the mattress anti-slip device 13 . In addition, the number of lower engaged portions 19 can also be appropriately set according to the lower engaging portions 31 of the mattress anti-slip device 13 . Also, the lower engaged portion 19 may be a protrusion, a claw, or the like provided on the rear surface 15 b of the mounting portion 15 .

FIG. 5 is a perspective view showing the mattress anti-slip device 13. As shown in FIG.

The mattress anti-slip device 13 includes a base portion 25 and a stopper portion 27 as shown in FIGS.

The base portion 25 is a channel member made of resin or the like, and is opened in the width direction. The base portion 25 includes an upper engaging portion 29 , a lower engaging portion 31 , a flexible portion 33 and a projecting portion 35 .

The upper engaging portion 29 is inserted into the upper engaged portion 17 on the bed 1 side, engages with the edge portion 17a of the upper engaged portion 17 from below, and acts on the stopper portion 27 outwardly. against the power of The outer side here means the outer side when the mattress 9 side bordering on the stopper portion 27 is defined as the inner side, and means the outer side in the width direction in this embodiment. In addition, when the mattress anti-slipping tool 13 is provided on one side in the longitudinal direction, the outer side is the outer side in the longitudinal direction.

The upper engaging portion 29 of this embodiment includes a rectangular plate-like body portion 37 provided along the surface 15 a of the mounting portion 15 . A surface 37 a of the body portion 37 is substantially flush with the surface 7 a of the bottom 7 . The body portion 37 faces the edge portion 17a of the upper engaged portion 17 with a gap G in the width direction at its inner end in the width direction. The upper engaging portion 29 has a claw portion 39 at the tip of the body portion 37 .

The claw portion 39 is displaced downward with respect to the body portion 37 of the upper engaging portion 29 and positioned within the upper engaged portion 17 as a whole. The planar shape of the claw portion 39 is a rectangular shape that is longer than the upper engaging portion 29 in the width direction of the bottom 7 . Note that the upper engaging portion 29 may be configured so as not to be displaced downward.

In the width direction, the base end portion 39a of the claw portion 39 located outside abuts against the edge portion 17b of the upper engaged portion 17 in the width direction, and the tip end portion 39b of the claw portion 39 located inside penetrates. It faces the side wall portion 23b of the hole 23 with a gap g therebetween. A base end portion 39a of the claw portion 39 abuts against an edge portion 17b of the upper engaged portion 17 from below.

As a result, the upper surface 39c of the claw portion 39 is in contact with the lower surface 17aa of the edge portion 17a of the upper engaged portion 17. As shown in FIG. Although the upper surface 39c of the claw portion 39 and the lower surface 17aa of the edge portion 17a are flat surfaces along the width direction, they may be inclined surfaces with respect to the width direction. Further, the upper surface 39c of the claw portion 39 and the lower surface 17aa of the edge portion 17a may be wave surfaces or the like.

The lower engaging portion 31 engages with the lower engaged portion 19 on the bed 1 side to maintain the engaged state of the upper engaging portion 29 . The lower engaging portion 31 is provided integrally with the upper engaging portion 29 via a flexible portion 33 which will be described later.

The lower engaging portion 31 includes a body portion 41 that protrudes inward in the width direction from the flexible portion 33 . The body portion 41 has a rectangular plate shape provided along the lower surface 15 b of the mounting portion 15 and extends so as to cover the lower engaged portion 19 of the mounting portion 15 . The body portion 41 is provided with a projection portion 43 corresponding to the lower engaged portion 19 .

The projecting portion 43 projects upward from the body portion 41 of the lower engaging portion 31 and enters the lower engaged portion 19 of the mounting portion 15 for engagement. As a result, the lower engaging portion 31 can maintain the engaged state of the upper engaging portion 29 via the flexible portion 33 .

Note that the lower engaging portion 31 may be an opening provided in the main body portion 41 when the lower engaged portion 19 of the mounting portion 15 is a projection, for example. Further, the lower engaging portion 31 may be configured such that the projecting portion 43 is omitted and the body portion 41 has a C-shaped cross section or the like, and the tip thereof enters the lower engaged portion 19 for engagement.

The bending portion 33 is provided between the upper engaging portion 29 and the lower engaging portion 31, and allows the engagement of the lower engaging portion 31 to be released by bending. In the present embodiment, the flexible portion 33 has a plate-like shape that follows the side surface 7b of the bottom 7, and the surface 33a is substantially flush with the side surface 7a of the bottom 7. As shown in FIG. A space S is defined between the flexible portion 33 and the side surface 15 c of the mounting portion 15 .

The flexible portion 33 of the present embodiment is formed thinner than other portions of the base portion 25 so as to be easily flexible. The bending portion 33 is bent outward when the lower engaging portion 31 is disengaged.

In addition, the flexible portion 33 is not limited to being thin, as long as it is more flexible than other portions of the base portion 25 . For example, the flexible portion 33 may be formed in a plate-like shape with openings or slits, or in a bellows-like shape, instead of being thin.

The protruding portion 35 protrudes below the lower engaging portion 31 along the flexible portion 33 and is used to bend the flexible portion 33 . The projecting portion 35 is formed in a plate shape, is formed along the side surface 7b of the bottom 7, and has a surface 35a that is flush with the side surface 7b of the bottom 7. As shown in FIG. A tip portion of the projecting portion 35 is positioned on the same plane as the back surface 7 c of the bottom 7 .

As a result, the projecting portion 35 covers the lower engaging portion 31 to prevent the engagement of the lower engaging portion 31 from being inadvertently released, and the operator can place his/her finger on the lower engaging portion 31 to operate. It's like

The stopper portion 27 is erected from the base portion 25 and suppresses displacement of the mattress 9 on the bed 1 side. The stopper portion 27 of this embodiment is a plate-like body extending in the vertical direction, and the upper end thereof is curved inward in the width direction. The stopper portion 27 has an opening 27a at an intermediate portion in the longitudinal direction of the bottom 7 and has flexibility. The stopper portion 27 abuts on the widthwise end face 9a of the mattress 9 to prevent the mattress 9 from shifting in the widthwise direction.

At this time, even if a force directed outward in the width direction from the mattress 9 acts on the stopper portion 27 , the mattress anti-slip device 13 can resist the outward force acting on the stopper portion 27 .

That is, the mattress anti-slip device 13 rotates around the lower engaging portion 31 of the base portion 25 by transmitting the force from the lower end of the stopper portion 27 to the base portion 25 due to the outward force acting on the stopper portion 27 . try to.

At this time, in the mattress anti-slip device 13 of this embodiment, the upper engaging portion 29 of the base portion 25 is engaged with the edge portion 17a of the upper engaged portion 17 from below, thereby suppressing rotation. Therefore, the mattress anti-slip device 13 can resist the outward force acting on the stopper portion 27, and can reliably suppress the slippage of the mattress 9. As shown in FIG.

Even with this configuration, the mattress anti-slip device 13 of this embodiment is configured such that the stopper portion 27 is tilted inward in the width direction while the flexible portion 33 is bent so as to warp as shown in FIG. It can be easily removed from the bottom 7 side by rotating it.

Since the flexible portion 33 is not positioned between the stopper portion 27 and the upper engaging portion 29 of the base portion 25 , it does not interfere with resisting the outward force acting on the stopper portion 27 .

Since the widthwise gap G between the tip of the upper engaging portion 29 and the edge portion 17a of the upper engaged portion 17 allows rotation when removing the mattress slippage stopper 13, the mattress slippage stopper 13 is allowed to rotate. There is no reason to remove the . This detachment can be easily and reliably carried out by the operator by putting his or her finger on the projecting portion 35 for operation.

1 Bed 9 Mattress 13 Mattress slip stopper 15 Mounting portion 17 Upper engaged portion 17a Edge portion 19 Lower engaged portion 25 Base portion 27 Stopper portion 29 Upper engaging portion 31 Lower engaging portion 33 Flexible portion 35 Projection Department

Claims (4)

a base part for attaching to the bed side;
a stopper part erected from the base part and suppressing displacement of the mattress on the bed side,
The base portion is inserted into the upper engaged portion formed by the bed-side opening and engages with the edge portion of the upper engaged portion from below to exert an outward force on the stopper portion. a lower engaging portion that engages with the lower engaged portion on the bed side and holds the engaged state of the upper engaging portion; the upper engaging portion and the lower side a bending portion provided between the engaging portion and capable of releasing the engagement of the lower engaging portion by bending,
Mattress slip stopper. The mattress anti-slip device of claim 1,
The flexible portion is formed thinner than other portions of the base portion,
Mattress slip stopper. The mattress anti-slip device according to claim 1 or 2,
The base portion has a projecting portion that projects below the lower engaging portion along the flexing portion and is used for operation when flexing the flexing portion,
Mattress slip stopper. A bed provided with the mattress anti-slip device according to any one of claims 1 to 3.

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