JP2013169348A - Bed apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bed apparatus equipped with a feet area lighting unit, which is convenient to use for a user when the user gets out of the bed during night.SOLUTION: A bed apparatus includes: a side arm 4 supported by a side frame 3a of the bed apparatus 1 and configured to prevent a user from falling from the bed apparatus 1; an opening/closing door 5 turnable with respect to the side arm 4 via a hinge; and a lighting unit 30 attached to the side arm 4 or opening/closing door 5, disposed on the hinge, and configured to illuminate an area around the feet of the user when the user gets out of the bed apparatus 1.

Description

  The present invention relates to a bed apparatus provided with foot lighting.

  2. Description of the Related Art Conventionally, a bed apparatus is provided with a load sensor that detects a user's weight below the bed in order to detect the user's occupancy. When the user leaves the bed, the lighting device is automatically activated by the output from the load sensor. A device having an automatic illumination control mechanism for turning on is known (see Patent Document 1).

  In the care bed, a fall prevention member that prevents the user from falling is attached to the side frame of the bed, and the fall prevention member is opened and closed when the user leaves the bed or enters the bed. A configuration is known in which a hinge mechanism is provided with a lock mechanism that prohibits the opening and closing of a free door (see Patent Document 2).

JP 2009-66068 A JP 2011-87803 A

  However, in the bed apparatus disclosed in Patent Literature 1, when the user leaves the bed, the lighting of the room is turned on based on the output from the load sensor provided on the floor of the user below the bed mat. Is controlling. For this reason, in patent document 1, the load sensor (detection means) which detects a user, and the automatic control apparatus which controls indoor illumination are needed, and there exists a problem that cost increases.

  On the other hand, in the bed apparatus shown in Patent Document 2, the bed side frame is provided with a pivotable fall-preventing open / close door, and when the user leaves the bed, the open / close door provided on the side is opened and closed. For example, a person needs to get off the bed at night and walk to the position of the room light switch to turn on the room light. This is not very convenient, and it can happen that the user's feet are dark and easy to trip until the room is turned on.

  Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a bed apparatus that is convenient and can perform step lighting efficiently when a user gets off the bed at night. To do.

  Means taken in order to solve the above problems are supported by the side frame of the bed, the fall prevention member for preventing the user from falling from the bed, and the fall prevention member via the hinge portion. It was set as the structure provided with the opening / closing member which can be rotated, and the light source which is arrange | positioned at the said hinge part and illuminates a step when a user gets off a bed.

  The said structure WHEREIN: It is preferable to provide the detection part which detects rotation of the said opening-and-closing member in the said hinge part, and makes the said light source light.

  Moreover, it is preferable that the said light source illuminates toward the downward direction of the said hinge part.

  Further, it is preferable that the hinge portion includes a lever portion that allows the opening / closing member to be opened and closed, and the detection portion detects the operation of the lever portion based on the operation of the lever portion, and turns on the light source.

  Moreover, it is preferable that the said hinge part has a hollow shaft part, and the wiring which connects the said detection part and the said light source is arrange | positioned by the hole of the said shaft part.

  Moreover, it is preferable that the light source is attached to the fall prevention member or the opening / closing member.

  When the user gets off the bed at night, when the user gets off the bed at night, when the user gets off the bed at the hinge part that can be opened and closed with respect to the fall prevention member supported by the side frame of the bed. Since the light source that illuminates your feet is provided, the user does not have to walk in the dark room to the position of the light switch in the room to turn on the room light. The provided light source can be turned on to illuminate the feet, which is more convenient than before.

  In this case, the hinge part is provided with a detection part for detecting the rotation of the opening / closing member, the opening / closing operation of the opening / closing member can be detected by the detection part, and the operation of leaving the user's bed (user's will) is detected by the light source. Since the step is illuminated, a detection means such as a load sensor for detecting the user's occupancy is unnecessary as in the prior art, and an inexpensive bed apparatus can be configured.

  Further, since the light source illuminates downward of the hinge portion, when the user gets off the bed, the feet can be reliably illuminated at a position close to the floor surface.

  In addition, a lever part for opening and closing the opening / closing member is provided, the detection part detects the operation of the lever part, and the light source can be turned on in conjunction with the operation of the lever part. Therefore, operability is improved and convenience is improved.

  In addition, since the wiring connecting the detection unit and the light source is arranged in the hole of the shaft part around the hinge part, the wiring can be made invisible to the outside. As a result, the appearance is improved and the hole of the shaft part is improved. The space of the department can be used effectively. Further, it is possible to prevent the detection unit and the light source from being caught when moving from the bed of the user, and the safety when the user moves is improved.

  Further, the light source can be attached to the fall prevention member or the opening / closing member without increasing the number of components.

It is a perspective view which shows the structure of the bed apparatus in embodiment of this invention. It is a side view which shows the structure of the side arm and opening / closing door of the bed apparatus shown in FIG. It is a fragmentary sectional view of the invention important point of the A section in the locked state of the door of the bed apparatus shown in FIG. It is a fragmentary sectional view of the invention important point of the A section in the unlocked state of the door of the bed apparatus shown in FIG. It is a perspective view explanatory drawing which shows the structure of the clutch part (an upper member and a lower member) which permits / prohibits rotation operation of the door shown in FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a configuration of a bed apparatus 1 provided with foot lighting according to the present invention. The bed apparatus 1 has a headboard and a footboard on the head side and the foot side on which a user lies, and includes a bed mat 1a on a bed frame 3 forming a skeleton. The bed apparatus 1 is provided with a fall prevention fence 2 on at least one side in the longitudinal direction of the bed frame 3 so that the user does not fall on the floor surface. When the user of the bed apparatus 1 uses the bed, the fall-preventing fence 2 is provided in the vicinity of the side surfaces of both arms, and is fixed to the fixing portion 3b having a pair of attachment holes extending in the side direction of the side frame 3a. On the other hand, two places are inserted and attached from above. In the fall prevention fence 2, an opening / closing door 5 that is rotatable in the horizontal direction is attached to one side end of a side arm (falling prevention member) 4, and the side arm 4 is interposed between the side arm 4 and the opening / closing door 5. And a lock mechanism 6 that mechanically permits or prohibits the rotation of the opening / closing door 5 relative to the door.

  FIG. 2 is a side view showing the configuration of the fall prevention fence 2 of the present invention. The fall prevention fence 2 is formed by joining bent L-shaped pipes 4b, 4c, 4d, and 4e to the base pipe 4a by welding or the like. Below the base pipe 4a serving as a base, two attachment portions 4f are provided and inserted into attachment holes of the fixing portion 3b of the side frame 3a to attach the side arm 4, and screws 7 are respectively inserted from below the fixing portion 3b. Thus, the attachment portion 4f is fixed to the fixing portion 3b. An upper member 11 is provided above the hinge portion 8 at the tip of the L-shaped pipe 4 e of the side arm 4. The open / close door 5 is formed in a door shape by joining a straight center pipe 5b, a lower pipe 5c, and a substantially L-shaped pipe 5d to a substantially C-shaped 5a by welding or the like. A center pipe 5b of the open / close door 5 is attached to a shaft member 13 to be described later via a lower member 12, and the center pipe 5b is integrally formed of a lower member 12 and a hollow shaft member 13 extending vertically from the lower member 12. Rotate.

  FIG. 3 is a partial cross-sectional view of the essential part of the invention at section A shown in FIG. 2 in a locked state of the door 5 of the bed apparatus 1. The lower member 12 and the shaft member 13 are attached to a screw thread of a bolt portion 13 b at the lower end of the shaft member 13 in a recess 12 a formed below the lower member 12 and screwed. With such a configuration, when the opening / closing door 5 rotates, the shaft member 13 rotates relative to the upper member 11, so that the opening / closing door 5 can rotate with respect to the side arm 4. An illumination tool 30 (light source) is fitted and attached to a recess formed below the shaft member 13 of the open / close door 5, that is, below the lower member 12. That is, the illuminating device 30 is concentric with the hinge portion 8 and is disposed so as to illuminate downward.

  The operation lever 15 is operated when the user opens / closes the open / close door 5. The operation lever 15 has a grip-like gripping part 15a to be gripped and operated by the user, and a flat surface for performing a switch operation described later when the gripping part 15a is in a horizontal state as shown in FIG. It has the rotation part 15b and the axial part 15c used as the rotation center. The operation lever 15 is rotatable about the operation lever pin 15e, and is attached to the hollow shaft member 13 in a state where the operation lever pin 15e is inserted so as to be movable in the axial direction. Between the upper member 11 positioned above the shaft member 13 and the lower member 12 positioned below, a coil-shaped spring 16 that urges the upper member 11 and the lower member 12 to be separated in the vertical direction is provided. It is arranged in between. Below the rotating portion 15 b of the operation lever 15, a micro switch (which becomes a detection portion, hereinafter referred to as a switch) 40 is provided at the upper end of the hinge portion 8. The switch 40 includes a ring-shaped switch pressing portion 42 having a flat surface attached to the rotating portion 15b. The end face of the switch pressing part 42 provided in the rotating part 15b presses the free end of the switch lever 41 provided rotatably on the switch (detecting part) 40 with the contact surface 15d. The state turns off (or on). The switch 40 and the illuminating device 30 provided below the hinge portion are housed in the inner space of the hole 13a that is hollow in the shaft member 13, and are connected by two plus and minus lead wires (wirings) 17. Yes. Below the lead wire 17, the battery 36 connected in series is electrically connected.

  A lighting fixture 30 having a cylindrical shape having LEDs 31 therein is attached to a recess 12a formed below the lower member 12 by press-fitting. The lighting device 30 may be attached with an adhesive in addition to press-fitting. The illuminator 30 includes an LED 31 in the extending direction of the rotation center axis below the lower member 12, an LED substrate 32 in which the anode and the cathode terminal of the LED 31 are electrically connected, and the light from the LED 31 on the lower foot A convex lens 33 that diffuses toward the lens and a lens holder 34 that protects the lens 33 are provided inside the housing. Two batteries 36 are housed inside the unitized case 35 of the illuminator 30. Two batteries 36 are juxtaposed in series, one connected to the LED substrate 32 and the other connected to the ends of the two lead wires 17.

  As shown in FIG. 3, the operation lever 15 is in a position (horizontal direction) perpendicular to the shaft member 13, and when the upper member 11 and the lower member 12 are concavo-convexly fitted, the open / close door 5 is It becomes locked. In the locked state of the open / close door 5, the operation lever contact portion 42 and the detection switch contact portion 41 are in contact with each other, and the LED 31 of the lighting fixture 30 is not lit.

  On the other hand, FIG. 4 is a partial cross-sectional view of the essential part of the invention in the part A in the unlocked state of the door 5 of the bed apparatus 1. In the unlocked state in which the opening / closing door 5 is opened / closed, the gripping portion 15a of the operation lever 15 is positioned obliquely above the side arm 4 as shown in FIG. The upper member 11 and the lower member 12 are opened and closed by the urging force of the spring 16 separating the upper member 11 and the lower member 12 in the vertical direction so that the upper member 11 moves upward and the clutch 20 is disengaged. The door 5 is unlocked. Further, the operation lever contact portion 42 and the detection switch contact portion 41 are not in contact with each other, and the switch state is turned on. In the above state, the operation lever contact portion 42 and the detection switch contact portion 41 are not in contact with each other, and the LED 31 of the lighting tool 30 is lit.

  FIG. 5 is a perspective view showing the configuration of the clutch portion 20 and shows a state before the upper member 11 and the lower member 12 are attached. A plurality of pins 12 a are press-fitted in the circumferential direction of the upper end surface 12 c of the lower member 12. The lower member 12 has a hollow cylindrical shape having a hole 12b through which the shaft member 13 passes. The upper member 11 is a hollow cylindrical type having a plurality of pin engaging holes 11a in the circumferential direction of the lower end surface 11c and a hole 11b through which the shaft member 13 passes. The upper member 11 and the lower member 12 are aligned in the vertical direction, and the clutch 20 is engaged, that is, locked, when the pin 12a and the pin engagement hole 11a are engaged. In the present embodiment, the shaft member 13 has a separate structure from the lower member 12. However, the shaft member 13 may be formed integrally with the lower member 12.

  Moreover, in the said embodiment, although the lower member 12 to which the lighting fixture 30 is attached is a member at the door 5 side, you may make it the structure used as the member by the side arm 4 which is a fall prevention member.

  Next, an operation (operation) by the bed apparatus 2 provided with the foot illumination according to the embodiment of the present invention will be described.

  When the user gets off the bed apparatus 1, the user operates by holding the grip portion 15 a of the operation lever 15 in the horizontal direction in order to open the door 5 for preventing overturning in the locked state shown in FIG. 3. Then, the operation lever 15 is rotated upward. By this operation, the spring 16 that urges the upper member 11 and the lower member 12 to be separated in the vertical direction causes the pin 12a and the pin engagement hole 11a to be disengaged, and the door 5 is unlocked. Become. In this way, the pressing of the switch lever 41 by the switch pressing portion 42 is released by the upward rotation operation of the operation lever 15. As a result, the switch signal of the detection unit changes, and when the contact release is detected, the LED 31 of the lighting device 30 connected from the switch 40 via the lead wire 17 is lit toward the user's feet. Further, in order to close the opened opening / closing door 5, the user rotates the grip portion 15 a of the operation lever 15 in the horizontal direction, whereby the opening / closing door 5 is locked, and the detection switch contact portion 42 and the operation lever contact portion. The LED 31 of the illuminating tool 30 is turned off by the contact of 41. The LED 31 may be turned off after a certain time after the detection switch contact portion 42 and the operation lever contact portion 41 are in contact with each other.

  Next, effects of the embodiment of the present invention will be described.

  In the bed apparatus 1 of the present invention, when the user gets out of the bed apparatus 1 at night, there is no need to go to the position of the room lighting switch to turn on the room lighting, and the lighting tool 30 can be turned on by operating the operation lever. Because it can be done, it is more convenient than before. Moreover, since the illuminating device 30 is attached below the hinge portion, the illuminating device 30 does not rotate even when the door 5 is opened and closed. Since the illuminating device 30 is provided in the hinge portion, it is possible to provide a foot illumination mechanism together with the bed apparatus at a low cost with a simple configuration by effectively utilizing the vacant space.

  The hinge part 8 is provided with a switch 40 for detecting the rotation of the opening / closing door 5 and detects that the opening / closing door 5 has been opened, so that the lighting tool 30 illuminates the feet when the user gets off the bed. This eliminates the need for detection means such as a load sensor, and makes it possible to reduce the cost of a bed apparatus equipped with foot illumination.

  In addition, since the illumination tool 30 illuminates toward the lower side of the hinge portion 8, it is possible to reliably illuminate the feet when the user moves down from the bed and moves regardless of the degree of opening and closing of the open / close door 5.

  Moreover, the operation lever 15 for opening and closing the opening / closing door 5 is provided, and the operability for lighting the illumination tool 30 in conjunction with the operation of the operation lever 15 is detected by the detection unit detecting the operation of the operation lever 15.

  Moreover, since the lead wire 17 that connects the switch 40 and the lighting device 30 is disposed in the hole portion 13a of the hole shaft member 13 around the hinge portion 8, the lead wire 17 is not visible and looks good. The space of the hole 13a of the shaft member 13 can be used effectively. The user can be prevented from tripping the lead wire 17 during movement, and safety is improved.

1 Bed device 2 Fall prevention fence 3 Bed frame 4 Side arm (falling prevention member)
5 Opening and closing door (opening and closing member)
8 Hinge part 13 Shaft member 13a Hole 15 Operation lever 15
20 Clutch 30 Illuminator (light source)
31 LED
17 Lead wire (wiring)
40 switch (detector)
41 Switch lever (lever part)
42 Switch pressing part

Claims (6)

A fall prevention member supported by the side frame of the bed and preventing the user from falling off the bed;
An opening / closing member that can be rotated via a hinge portion with respect to the fall prevention member,
A light source that is disposed in the hinge portion and illuminates the feet when the user gets off the bed;
Bed equipment with.   The bed apparatus according to claim 1, wherein the hinge unit includes a detection unit that detects rotation of the opening / closing member.   The bed device according to claim 1, wherein the light source illuminates downward of the hinge portion.   The hinge portion includes a lever portion that allows the opening / closing member to be opened and closed, and based on an operation of the lever portion, the detection portion detects an operation of the lever portion and turns on the light source. The bed apparatus according to any one of claims 1 to 3. The hinge portion has a hollow shaft portion,
The bed apparatus according to any one of claims 1 to 4, wherein a wiring connecting the detection unit and the light source is disposed in a hole of the shaft unit.   The bed device according to any one of claims 1 to 5, wherein the light source is attached to the fall prevention member or the opening / closing member.

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