JP2006158704A - Bed doubling as chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bed doubling as a chair, which has satisfactory functions of the chair and the bed, has a reduced size, and is easy to use. <P>SOLUTION: The bed doubling as a chair is composed of: a seat portion 2 attached between side frames 9; a backrest portion 3 attached to the side frames turnably around reclining gears 8 attached at the end; a continuous portion-composing body 4 moved forward from the seat portion; a support body 5 moved rearward from the seat portion; a pillow portion 6 turnably attached to the end of the backrest portion on the opposite side of the end attached with the reclining gear; a first leg portion 7 stored in the continuous portion-composing body and positioning the continuous portion-composing body at a predetermined height; and second leg portions 10 for positioning the support body at a predetermined height. The first leg portion 7 and the second leg portions 10 are attached with cross members, respectively, and the seat portion, backrest portion, continuous portion-composing body, and pillow portion are provided with a detachable cover sheet with snap fasteners. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a chair combined bed. Specifically, the present invention relates to a chair / bed that combines the functions of both a chair and a bed by combining a plurality of members so as to be movable along other members.

  The chair and the bed are functionally common in that they support the human body, and there are many chair-combined beds that have both functions.

  However, the operation for converting the functions of the chair and the bed is complicated, the functions of the chair and the bed are not satisfactory, the operation is simple and the functions of the chair and the bed are satisfactory. There was a need for a chair-combined bed. For example, what is described in patent document 1 is mentioned as a conventional chair combined bed. In FIG. 1, the schematic side view showing the state of the chair of the conventional chair combined use bed is shown.

  As shown in FIG. 1, the conventional chair-combined bed is fixed to the upper frame 102 bent in a U-shape and the upper cushion 103 (tilted backrest portion 103A and the upper frame 102) connected to the upper surface of the upper frame 102. Of the upper frame 102, the lower frame 105 having a lower frame 105 bent in a U-shape and a lower cushion 106 connected to the lower frame 105, and the upper frame 102. A first bed leg 107 fixed to the tip, a second bed leg 108 fixed to the tip of both sides of the lower frame 105, and a vertical pipe 109A connecting the center of the backrest to both sides of the upper frame 102; A bent arm 109 made of a horizontal pipe 109B, a stopper partition 110 arranged to protrude from the lower bed 104, and an upper frame 102 and the lower frame 105 can be bent, a connecting member 111, a connecting pin 112 for rotatably connecting the upper frame 102 and the lower frame 105, and the end of the horizontal pipe 109B on the side surface of the central portion of the backrest portion. A rotary shaft 113 that is rotatably connected and rotatably connects the front end of the vertical pipe 109A to the side surface of the upper frame 102, a buffer member 114 that covers an intermediate portion of the bending arm 109, and a second bed leg 108 are provided. The rotary shaft 115 is rotatably connected to the side surface of the lower frame 105, the connection plate 116 is connected to the lower end of the second bed leg 108, and the buffer member 117 covers the stopper partition.

JP 2001-54444 A

  However, when a conventional chair-combined bed is folded into a chair, there are many unnecessary members as a chair, and it is too bulky. When it is used as a chair, the upper bed part is turned upside down, so it is necessary to tilt it slowly while supporting the bed part. The bed was sought.

  The present invention was devised in view of the above points, and provides a compact and easy-to-use chair bed that can smoothly change between the chair and the bed and satisfy the functions of the chair and the bed. It is intended to do.

  In order to achieve the above object, the chair-combined bed according to the present invention is movable along the seat portion, a backrest portion that is rotatably arranged at one end with respect to the seat portion, and the seat portion. And a support that supports the seat by moving it to the rear side of the seat, and a seat that is movable along the seat and moved to the front of the seat. The continuous part structure which comprises the substantially continuous part is provided.

  Here, it is possible to move along the seat and to move to the rear side of the seat, and to support the seat, or to move along the seat and move to the front of the seat. Thus, the form of the chair-combined bed can be freely changed without requiring a special large force by the continuous part structure constituting the continuous part substantially continuous with the seat part. Moreover, when a chair combined use bed is used as a seat by a support body, a seat is stabilized. Here, “rear” means a direction in which the backrest portion is rotated to be positioned in substantially the same plane as the seat portion, and “front” means a direction opposite to the rear.

  The chair-combined bed according to the present invention can smoothly change between the chair and the bed, satisfies the functions of the chair and the bed, is compact and easy to use.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings to facilitate understanding of the present invention. FIG. 2 is a schematic side view showing an example of a folded state of the chair combined bed to which the present invention is applied. The chair / bed 1 shown in FIG. 2 is attached to an end portion of a seat 2 on which a person can be seated between two flat side frames 9 (one is not shown) positioned in parallel to each other. A backrest 3 for holding a person's back, which is attached to a side frame so as to be rotatable about a reclining gear 8, and 2 above the seat and movable to the front of the seat along the seat 2 The continuous part structure 4 arranged between the two side frames 9, and the two parts between the two side frames 9 so as to support the seat part below the seat part and move to the rear side of the seat part along the seat part. A support unit 5, a pillow unit 6 that is pivotally attached to the end of the backrest part opposite to the end part to which the reclining gear is attached, and a continuous part component The continuous part structure attached to the continuous part structure so as to be housed in a tiltable manner. A first leg 7 allowed to position, mounted for raised or lowered to the support so that it can accommodate in the support, and a second leg 10 which allowed to position the support at a predetermined height. Here, the “predetermined height” means a height that is substantially the same as the height of a low table, a low chair, or the like when the chair combined bed to which the present invention is applied is in a chair or bed state.

  Here, if the seat portion is configured so that a person can sit, if the backrest portion is rotatably arranged, the continuous portion structure can move along the seat portion and the front of the seat portion. The support is configured to move along the seat and support the seat by moving to the rear of the seat. If so, the first leg and the second leg are continuous if the pillow is pivotally attached to the end of the backrest opposite to the end to which the reclining gear is attached. The side frame may be made of any material as long as it can be accommodated in the component body and the support body, and the seat frame and the reclining gear can be attached, for example, wood, metal, plastic, Or plastic May be configured by those covered with tics, but be composed of wood or plastic, preferably easily carry lightweight.

  Moreover, if the pillow part is equipped with said seat part, a backrest part, a continuous part structure body, and a support body, it does not need to be attached.

  Furthermore, the first leg portion and the second leg portion may not be attached as long as the above-described seat portion, backrest portion, continuous portion structure and support are provided.

  In addition, the reclining gear is attached to the outer surface of the side frame and one end of the backrest portion so that the backrest portion can be rotated. However, if the backrest portion is rotatably attached, the reclining gear is attached to the side frame. For example, it may be attached to the end of the seat and the end of the backrest.

  Further, the side frame does not have to be attached as long as the seat part, the backrest part, the continuous part constituting body, and the support body are provided.

  FIG. 3 is a schematic side view showing an example of a sitting state of a chair combined bed to which the present invention is applied. In FIG. 3, the backrest portion 3 rotates around the reclining gear, and the backrest portion is inclined and fixed with respect to the vertical direction by the reclining gear during the rotation. Moreover, the pillow part 6 rotates in the edge part of the backrest part on the opposite side to the edge part to which the reclining gear was attached, and is arrange | positioned coaxially with the longitudinal axis direction of the backrest part. Furthermore, when the support body 5 is moved to the rear (fixed backrest side) of the chair / bed, the center of gravity of the chair / bed is moved to the rear, and a person sits on the chair / bed in the sitting state. I try not to fall backwards. Further, in FIG. 3, the continuous part structure 4 is positioned on the seat part 2, but in this state, a person can sit on the continuous part structure 4, and the continuous part structure 4 can also be used as a chair. It is also possible to move along the seat to the front of the bed (opposite to the fixed backrest) and sit on the seat 2 with the foot on the continuous component 4. In addition, when sitting on the continuous component 4 or the seat 2, the upper surface of the side frame 9 serves as an elbow pad, and if the seat or reclining gear is attached, it is necessary to place the elbow on the upper surface of the side frame. The shape of the upper surface of the front portion of the side frame where the frame is positioned may be rounded to improve the touch.

  FIG. 4 is a schematic side view showing an example of a chair state of a chair combined bed to which the present invention is applied. Here, the continuous part component 4 is moved to the front of the chair / bed, and the second leg 10 accommodated in the support 5 is raised to support the seat 2, the support 5 and the like. Yes. In addition, the end of the backrest 3 and the end of the pillow 6 are connected via a cylindrical hinge 12, and the pillow has a surface of the pillow that the person's head contacts with the cylindrical hinge. It rotates between the position folded in contact with the surface of the backrest part with which the back, the head, etc. are in contact, and the position constituting substantially the same plane as the backrest part. In addition, the cylindrical hinge is located at a position where the surface of the pillow portion that comes into contact with the human head etc. is in contact with the surface of the backrest portion with which the person's back or head etc. comes into contact with the backrest portion and forms a substantially same plane. When there is a pillow portion, the pillow portion is configured to be fixed. Here, the pillow part may not be a cylindrical hinge as long as the pillow part can be rotated between the folded position and a position that forms substantially the same plane as the backrest part and the pillow part can be fixed at each position.

  FIG. 5 is a schematic side view showing an example of a bed state of a chair combined bed to which the present invention is applied. Here, the backrest part 3 is brought down, and the first leg 7 accommodated in the continuous part structure 4 moved forward is raised to support the continuous part structure 4 and the support body 5. The second leg portion 10 mainly supports the seat portion 2 and the backrest portion 3, and the seat portion 2, the backrest portion 3, the continuous portion constituting body 4, and the pillow portion 6 are located in substantially the same plane.

  FIG. 6 is a schematic cross-sectional view along the line AA ′ shown in FIG. Here, the surface (sitting part, backrest part, continuous part constituent body and pillow part) of the seat part 2, the backrest part 3, the continuous part constituent body 4 and the pillow part 6 against the person's back, the elbow part, the head, etc. The members that cross each are curved. Further, the member that crosses the support 5 is curved because it hits the lower surface of the curved member that crosses the seat portion 2. Further, the first leg portion 7 and the second leg portion 10 are accommodated inside the continuous portion constituting body 4 and the support body 5, respectively. The second leg portion 10 crosses the second leg portion. Two leg cross members 10A are provided so as to stably support the seat 2 and the like. Further, side frames 9 are arranged on both outer sides of the seat portion 2, the continuous portion constituting body 4, and the support body 5. Here, as long as the seat 2 and the like can be stably supported, the second leg cross member 10A may not be attached to the second leg.

  FIG. 7 is a schematic perspective view showing an example of a chair state of a chair combined bed to which the present invention is applied. Here, meshes are stuck and fixed to the surfaces of the seat part 2, the backrest part 3, the continuous part constituting body 4 and the pillow part 6 that are in contact with the human body (not shown). The seat portion 2 includes two seat portion frames 2A arranged parallel to the side frame 9 and three curved seat portion cross members 2B arranged perpendicular to the seat portion frame. Is composed of a backrest frame 3A arranged parallel to the seat frame and three curved backrest cross members 3B arranged perpendicular to the back frame, and the continuous component 4 is formed on the seat frame. It consists of a continuous part structure frame 4A arranged parallel to the three parts and three curved continuous part structure cross members 4B arranged perpendicular to the continuous part structure frame, and the support body 5 is in relation to the seat part frame. The support frame 5A is arranged in parallel with each other, and two curved support frame members 5B are arranged perpendicular to the support frame, and the pillow part 6 is arranged in parallel to the backrest part frame. Pillow Consisting of two curved pillows crosspiece 6B which are arranged perpendicular to the frame 6A and pillows unit frame. Further, slide pins 13 protrude from the continuous part constituting body frame 4A and the support body frame 5A, respectively.

  Further, a first groove portion 11 and a second groove portion 14 are formed on the surface of the side frame 9 facing the seat portion 2 and the like, and the slide pin 13 protruding outward from the continuous portion structure frame 4A is the first. The slide pins 13 projecting outward from the support frame 5A are inserted into the second groove portions 14, respectively, and the continuous portion constituting body 4 and the support body 5 are the first groove portion 11 and the second groove portion 14, respectively. Move along. Further, the first groove portion 11 and the second groove portion 14 may be configured to have the same groove width and groove depth as long as the slide pin is inserted into each groove portion and can move along each groove portion. Good. Further, the slide pin 13 protruding from the continuous part structure frame 4A is embedded in the continuous part structure frame and the continuous part structure cross member except for the protruding part. In addition, a cover sheet (not shown) is placed on the mesh (not shown) with a snap so that it can be attached and detached on the surface side where the human body of the seat part 2, the backrest part 3, the continuous part component 4 and the pillow part 6 comes into contact. It is attached from. In addition, the first leg portion 7 provided with the first leg cross member 7A crossing the first leg portion is housed inside the continuous portion structure body 4 so that the continuous portion structure body 4 is stabilized. And can be supported.

  Here, the first leg cross member 7A may not be attached to the first leg as long as the continuous part structure 4 can be stably supported. In addition, the groove portion and the slide pin may not be provided as long as the continuous portion structure and the support body can be moved and fixed along the seat portion. Furthermore, if a seat part, a backrest part, a continuous part structure, and a support body are provided, it is not necessary to attach a cover sheet to the chair / bed. Examples of the cover sheet include a cotton fabric sheet, a towel fabric sheet, a hemp fabric sheet, a denim fabric sheet, a corduroy fabric sheet, a synthetic leather sheet, a genuine leather sheet, a sheet with an audio function, and a sheet with a massage function. Can be mentioned.

  In addition, if the seat is configured so that a person can sit, and if the backrest is disposed so as to be able to rotate, the continuous structure can be moved along the seat and forward of the seat. The support is configured to move along the seat and support the seat by moving to the rear of the seat as long as it is configured to move and form a continuous body that is substantially continuous with the seat. If the pillow part is pivotally attached to the end part of the backrest part opposite to the end part to which the reclining gear is attached, the pillow part may not be composed of a frame and a cross member, for example, It may be configured as a single plate, and the cross member may not be curved.

  FIG. 8 is a schematic explanatory view showing an example of a slide pin fixing mechanism. FIG. 8A shows a state in which the slide pin is released, and FIG. 8B shows a state in which the slide pin is fixed. Shows the state. Here, at the end of the first groove 11 formed in the side frame, a slide pin fixture 15 having an opening is disposed so as to surround the end of the first groove, as shown in FIG. As shown in FIG. 8A, when the opening of the slide pin fixture 15 and the first groove 11 are overlapped, the slide pin 13 can freely move along the groove, while FIG. As shown in the figure, when the slide pin fixture 15 is rotated 180 degrees and the opening of the slide pin fixture 15 does not overlap the first groove portion 11, the slide pin 13 is fixed. The slide pin fixture has a portion (not shown) that protrudes to the outside of the side frame (the side opposite to the side where the seats and the like are arranged), and rotates the slide pin fixture by grasping this protruding portion. Let

  FIG. 9 is a schematic plan view showing a series of movements of the continuous part structure. FIG. 9A shows a state in which the continuous part structure is arranged between the side frames, and FIG. FIG. 9C shows a state in which the continuous part constituent body is moved along the groove part of FIG. 9 and a state in which the continuous part constituent body is pulled out to the front of the chair / bed. Here, the slide pin 13 is divided into two members each provided with a knob portion 13 </ b> A protruding rearward of the chair / bed, and these two members are connected via a spring 16. In FIG. 9A, both end portions of the slide pin 13 are accommodated in pin fixing holes 17 formed in the rear portion of the side frame 9, whereby the continuous portion constituting body 4 is fixed and cannot be moved. Yes. In FIG. 9B, the spring 16 is contracted by pinching the knob portion 13 </ b> A of the slide pin 13 with a finger, both ends of the slide pin 13 are extracted from the pin fixing holes 17, and the slide pin 13 is passed through the first groove 11. When the both ends of this move to the front of the chair combined bed, the continuous part constituting body 4 moves to the front. Here, the depth of the pin fixing hole 17 is deeper than the depth of the first groove portion 11. 9C, both end portions of the slide pin 13 are accommodated in pin fixing holes 17 formed in the front portion of the side frame 9, whereby the continuous portion constituting body 4 is fixed and cannot be moved. ing.

  Here, a slide pin fixing mechanism as shown in FIG. 8 or a slide pin as shown in FIG. 9 may be used as long as the continuous part structure and the support can be moved and fixed along the seat. The fixing mechanism may be used.

  The chair combined bed to which the present invention is applied can be seated at a desired backrest angle because the backrest portion can be fixed at any position by the reclining gear. In addition, since the chair combined bed is in a folded state, the seat portion, the continuous portion structure and the support body are arranged to be stacked between the two side frames, and the backrest portion is similarly stacked to be disposed above them. It is compact and convenient to carry. Furthermore, since the seat part, the backrest part, the continuous part structure and the pillow part are each composed of a frame and a cross member, the ventilation is good and a cool feeling is obtained in summer. In winter, warmth can be obtained by sticking a warm corduroy sheet or the like to the seat, backrest, continuous component, and pillow.

It is a schematic side view showing the state of the chair of the conventional chair combined use bed. It is a schematic side view which shows an example of the folded state of the chair combined bed to which this invention is applied. It is a schematic side view which shows an example of the chair state of the chair combined bed to which this invention is applied. It is a schematic side view which shows an example of the chair state of the chair combined bed to which this invention is applied. It is a schematic side view which shows an example of the bed state of the chair combined bed to which this invention is applied. It is a schematic sectional drawing along the AA 'line shown in FIG. It is a schematic perspective view which shows an example of the chair state of the chair combined bed to which this invention is applied. It is a schematic explanatory drawing which shows an example of the fixing mechanism of a slide pin, (a) shows the state by which fixation of the slide pin was cancelled | released, (b) shows the state by which the slide pin was fixed, respectively. It is a schematic plan view which shows a series of movement of a continuous part structure, (a) is a state by which the continuous part structure is arrange | positioned between side frames, (b) is a continuous part structure along a 1st groove part. The state where the body is moving is shown, and (c) shows the state where the continuous body component is pulled out to the front of the chair / bed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Chair combined bed 2 Seat part 2A Seat part frame 2B Seat part horizontal member 3 Back part 3A Back part frame 3B Back part horizontal member 4 Continuous part structural body 4A Continuous part structural body frame 4B Continuous part structural body horizontal member 5 Support body 5A Support frame 5B Support cross member 6 Pillow part 6A Pillow part frame 6B Pillow part cross member 7 First leg 7A First leg cross member 8 Reclining gear 9 Side frame 10 Second leg 10A Second Leg cross member 11 First groove portion 12 Cylindrical hinge 13 Slide pin 13A Knob portion 14 Second groove portion 15 Slide pin fixing tool 16 Spring 17 Pin fixing hole

Claims (6)

A seat,
A backrest portion disposed at one end so as to be rotatable with respect to the seat portion;
A support body that is movable along the seat portion and supports the seat portion by moving the seat portion to the rear side;
A chair-combined bed comprising a continuous part structure that is movable along the seat part and forms a continuous part that is substantially continuous with the seat part by being moved forward of the seat part. The chair combined bed according to claim 1, further comprising a pillow part rotatably connected to the other end opposite to one end of the backrest part. The chair-combined bed according to claim 1 or 2, wherein the support includes a leg that can be raised and lowered to position the support at a predetermined height. The chair-combined bed according to any one of claims 1 to 3, wherein the continuous part structure includes a leg part that can be raised and lowered to position the continuous part structure at a predetermined height. The chair combined bed according to any one of claims 2 to 4, wherein the seat part, the backrest part, the continuous part constituting body, and the pillow part each include a curved member that traverses each. The chair combined bed according to any one of claims 2 to 5, wherein each of the seat part, the backrest part, the continuous part constituting body, and the pillow part includes a detachable seat.

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