JP2013022131A - Makeshift bed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a makeshift bed which has simple structure and good appearance, and is highly safe.SOLUTION: The makeshift bed includes: a pair of right and left fixed legs 4 which have recessed grooves 9 facing a vertical direction on the front surfaces of the fixed legs and are attached to a wall surface 2 with the use of attachment means 12; a bed body 5 whose rear end is pivotally attached to the upper ends of the fixed legs 4 and which is turnable between a horizontal usage position and an upward facing folding position; movable legs 6 whose upper ends are pivotally attached to the front part of the bed body 5 and lower ends are brought into contact with a floor when the bed body 5 is in the usage position; connection rods 7 which are arranged in parallel with the bed body 5 and the front and rear ends of which are connected to the intermediate parts of the movable legs 6 and the intermediate parts of the fixed legs 4; and energizing means 8 the one-side ends of which are connected to the intermediate parts of the connection rods 7 and the other-side ends of which are connected to the fixed legs 4, and which energize the connection rods 7 upward and are stored in the recessed grooves 9 of the fixed legs 4 when the bed body 5 is positioned in the folding position.

Description

  The present invention relates to a simple bed that can be used as an examination table by being in a horizontal use state and can be folded up in an upright state.

In this type of conventional simple bed, the bed body that supports the human body is pivotally attached to the wall surface or a position close to it, so that it can be rotated from a substantially horizontal use position to a folding position that stands up along the wall surface. (For example, see Patent Documents 1 to 4).
In addition, some use a gas spring or the like in order to reduce the operating force when the bed body is rotated from the use position to the folding position (see, for example, Patent Document 1 or 3).

JP 2001-327547 A Japanese Utility Model Publication No.59-10653 Japanese Patent Laid-Open No. 9-224782 Japanese Utility Model Publication No. 44-1075

  However, in the conventional simple bed as described above, the support structure for enabling the bed main body to be rotated from the use position to the folding position is complicated, or when the bed main body is folded, legs or gas springs are used. And the like, and the appearance of the bed body is bad, or the bed main body in the folded position may be rotated to the use position by its own weight due to vibration or other causes.

  The present invention has been made in view of the above problems, and an object thereof is to provide a simple bed having a simple structure, good appearance, and high safety.

According to the present invention, the above problem is solved as follows.
(1) A pair of left and right fixed legs which are provided with a concave groove facing the vertical direction on the front surface and attached to the wall surface by attachment means, and a rear end portion having an axis facing the left and right direction at the upper end portion of the fixed leg The bed main body pivoted and pivotable between a substantially horizontal use position and a folding position facing upward, and at the front part of the bed main body, the upper end of the bed main body is pivotally attached with an axis facing the left-right direction, When the bed main body is in the use position, the lower end is in contact with the floor, and when the bed main body is in the folded position, a movable leg that hangs down from the bed main body, parallel to the bed main body, A connecting rod having front and rear ends connected to an intermediate portion in the vertical direction and an intermediate portion in the vertical direction of the fixed leg, one end connected to the intermediate portion of the connecting rod, and the other end connected to the fixed leg And the connecting body has a bed body. Ri fold biased in a direction located in the position, and when located in the bed body is folded position, assumed and a biasing means so as to be accommodated in the groove of the fixed foot.

With such a configuration, the bed body is biased toward the folding position by the biasing force of the biasing means, so the bed body can be rotated from the use position toward the folding position with a light force. When the folding position is returned to the use position, the urging force of the urging means becomes a resistance, and the bed body can be prevented from suddenly turning to the use position.
When the bed body is in the folded position, it stands up along the wall surface, does not occupy much room space, can be used in a wider room, and you want to use it as a bed body It only has to be rotated to the use position.
Also, when the bed body is in the folded position, the biasing means is housed in the recessed groove of the fixed leg and is not exposed to the outside, so the appearance is good and the biasing means is a pedestrian or the like Safety is high because there is less risk of contact.
Moreover, this simple bed is composed of a few parts including a bed main body, a fixed leg, a movable leg, a connecting rod, and an urging means, and has a simple structure and can be manufactured at low cost.

(2) In the above item (1), a concave groove facing in the front-rear direction is provided on the lower surface of both side portions of the bed main body, and the rear end of the bed main body is pivotally attached to the upper end of the fixed leg at the rear of the concave groove And at the front part in each concave groove, the upper end of the movable leg is pivotally attached to the front part of the bed body, and when the bed body is in the folded position, each of the movable legs and a part of the connecting rod are It is accommodated in each concave groove of the main body.

  With such a configuration, when the bed body is in the folded position, not only the urging means is accommodated in the recessed groove of the fixed leg, but also the movable leg and a part of the connecting rod are also bed. Since it is housed in a concave groove provided on the lower surface of the main body, and it is less likely to be exposed to the outside, the appearance is further improved, and the possibility that the movable leg, the connecting rod, etc. will come into contact with a pedestrian or the like is reduced. So safety is further enhanced.

(3) In the above item (1) or (2), the connecting rod is disposed outside the side surface of the fixed leg, and the shaft protruding from the side surface on the fixed leg side of the connecting rod has a groove in the fixed leg. When the bed main body is in the folded position at the front edge of the portion sandwiched between the connecting rod and the biasing means in the fixed leg, and connecting the one end of the biasing means disposed on the connecting rod and A recess is provided to allow the shaft to enter.

    With such a configuration, when the bed body is in the folded position, the connecting rod overlaps the side surface of the fixed leg, and the front and rear width of the entire simple bed at the time of folding can be reduced, and the biasing means It can prevent that the axis | shaft which connects one end and a connecting rod interferes with the front edge of a fixed leg.

(4) In any one of the above items (1) to (3), when the bed main body is in the folded position, a lock means is provided for preventing the bed main body from returning to the use position.

  With such a configuration, unless the locking means is released, the bed main body cannot be rotated back from the folded position to the use position, and safety can be improved.

(5) In the above item (4), the locking means is a lock pin that is detachably fitted in a pin hole provided in a overlapping portion of a fixing leg and a connecting rod that overlap each other when the bed main body is in the folded position. .

  With such a configuration, the configuration of the locking means can be simplified and can be manufactured at low cost.

  According to the present invention, a simple bed having a simple structure, good appearance, and high safety can be provided.

It is a front view when one embodiment of the present invention is attached to a wall surface and made into a use state. Similarly, it is a front view when it is set as the folded state. Similarly, it is the perspective view seen from diagonally forward upper when it is set as a use condition. Similarly, it is the perspective view which looked at the state in the middle of folding from a use state from diagonally forward upper direction. Similarly, it is the perspective view seen from the diagonally upper front when it was set as the folded state. It is a vertical side view along the VI-VI line of FIG. It is a vertical side view of the part similar to FIG. 6 in the state in the middle of folding from a use state. It is a vertical side view along the VIII-VIII line of FIG. FIG. 2 is an enlarged cross-sectional plan view taken along line IX-IX in FIG. 1 and shows a portion where a locking means is provided.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
This simple bed 1 is attached to the wall 2 of the examination room of a hospital or clinic, and is used as an examination table when necessary. The rest is folded along the wall, with the lower end on the floor 3 A pair of left and right fixed legs 4, 4 attached to the wall surface 2 so as to abut, a bed body 5 having a rear end pivotally attached to the upper ends of both fixed legs 4, 4, and the front end of the bed body 5 A pair of left and right movable legs 6, 6 having upper ends pivotally attached to the bed, and an intermediate part in the vertical direction of the movable leg 6 and an intermediate part in the vertical direction of the fixed leg 4 in parallel with the bed body 5. A pair of left and right connecting rods 7 and 7 to which the front and rear ends are connected, one end is connected to an intermediate portion of the connecting rod 7 and the other end is connected to the fixed leg 4 to connect the connecting rod 7 to its front end An urging means 8 that urges the portion in a direction in which the portion rotates upward is provided as a main component member.

  Each fixed leg 4 is made of a channel material facing in the up-down direction having a U-shape in plan view with a groove 9 facing in the up-down direction on the front surface, and the upper and lower portions thereof are fixed to the rear surface of each fixed leg 4 It is fixed to the wall surface 2 with mounting means 12 comprising a metal fitting 10 and fixing means 11 such as concrete nails.

The bed main body 5 excludes a horizontal substrate 14 in which concave grooves 13 and 13 facing in the front-rear direction are provided on the lower surfaces of both side portions, an upper surface, both side surfaces and a front surface of the substrate 14, and openings of the concave grooves 13 and 13. And a cushion body 15 provided to cover the lower surface and the rear surface.
Further, a pair of left and right hand-operating recesses 16 are provided on the lower surface of the front portion of the bed body 5.

  In each concave groove 13 in the bed main body 5, a bracket 17 provided with hanging pieces 17 b and 17 c on both side edges of the front and rear ends of the horizontal base piece 17 a, the base piece 17 a is placed on the upper surface in the concave groove 13. It is attached by adhering to.

  The bed main body 5 is pivotally attached to the upper end portion of each fixed leg 4 with a shaft 18 facing in the left-right direction within the rear portion of each concave groove 13, as shown in FIG. 3 and 6 are substantially horizontal and can be rotated between a use position where a human body can be supported and a folding position facing upward as shown in FIGS. It has become.

In the front part of each concave groove 13 of the bed body 5, the upper end part of the movable leg 6, which is a square tube, is pivotally attached to the hanging piece 17 b at the front part of the bracket 17 with a shaft 19 facing in the left-right direction.
When the bed main body 5 is in the use position, each movable leg 6 hangs down from the lower surface of the front of the bed main body 5 and the lower end touches the floor. The load on the front of the bed main body 5 and the load on the person on the bed main body When the bed body 5 is in the folded position, the bed body 5 is accommodated in a suspended state in the concave groove 13 of the bed body 5 facing upward.

  Each connecting rod 7 is parallel to the bed main body 5, and the front and rear ends overlap each other inside the movable leg 6 and the fixed leg 4, and the rear end is the vertical direction of the fixed leg 4. When the bed main body 5 is in the use position, the front end is connected to the intermediate portion of the movable leg 6 with the shaft 20 facing the left and right direction. 3 and FIG. 6, when substantially parallel to the floor surface 3 and the bed body 5 is in the folded position, as shown in FIG. 5 and FIG. It is accommodated in the concave groove 13 of the bed main body 5 facing upward, and the lower part (rear part at the time of use) is overlapped with the inner surface of the fixed leg 4.

  The bed body 5, the fixed leg 4, the movable leg 6, and the connecting rod 7 are connected to each other with shafts 18 to 21 to form a parallel link mechanism.

  In this example, the urging means 8 advances into the lower part of the fixed leg 4 with a cylinder 23 pivotally attached with a shaft 22 whose base end portion faces in the left-right direction, and advances and retreats freely from the free end of the cylinder 23. The front end portion of the connecting rod 7 is connected to the middle portion in the front-rear direction with a shaft 24 facing in the left-right direction, and the cylinder is energized by the gas pressure enclosed in the cylinder 23 and / or the biasing force of a coil spring (both not shown). The telescopic gas spring (or damper) 26 is provided with a piston rod 25 that is constantly urged toward the direction of advancement from 23.

  As shown in FIG. 8, the urging means 8 is accommodated in the concave groove 9 of the fixed leg 4 when the bed body 5 is located at the folding position.

  The shaft 24 projects from the side surface of the connecting rod 7 on the fixed leg 4 side, that is, the right side surface of the right connecting rod 7 in FIG. The front ends of the are connected.

  As shown in FIGS. 2 and 6 to 8, the upper portion of the front edge of the portion sandwiched between the connecting rod 7 and the urging means 8 in the fixed leg 4 has a shaft when the bed body 5 is in the folded position. An arcuate recess 27 is provided so that 24 intermediate portions can enter.

  By providing the concave portion 27, when the bed body 5 is located at the folding position, the connecting rod 7 overlaps the side surface of the fixed leg 4, and the front and rear width of the entire simple bed 1 when folded is reduced. In addition, the shaft 24 that connects the upper end portion of the urging means 8 and the connecting rod 7 can be prevented from interfering with the front edge of the fixed leg 4.

  The bed body 5 is always urged toward the folding position by the urging means 8 via the movable leg 6 and the connecting rod 7. The urging force is preferably set so as not to rotate the bed main body 5 from the use position toward the folding position but to assist the rotation in that direction.

FIG. 9 shows an example of the locking means 28 that prevents the bed body 5 from returning to the use position in the state where the bed body 5 is in the folded position.
The lock means 28 is a lock pin 31 that is detachably fitted in pin holes 29 and 30 provided in the overlapping portion of the fixed leg 4 and the connecting rod 7 that overlap each other when the bed body 5 is in the folded position.

By extracting the lock pin 31 from both the pin holes 29 and 30, the bed body 5 can be rotated from the folding position to the use position.
In order to prevent the lock pin 31 from being lost, one end of a rope 32 such as a string or a chain is fixed to the head 31 a rounded in an annular shape, and the other end of the rope 32 is fixed to the fixed leg 4. It is better to be attached to a part of.

  The locking means 28 is not limited to the one having such a structure. For example, a locking pin (in front of the gas spring 26 accommodated in the recessed groove 9 of the fixed leg 4 is provided at the front portion of the fixed leg 4. (Not shown) are fitted so as to penetrate in the left-right direction, and the bed spring 5 is prevented from returning to the use position by preventing the gas spring 26 from rotating forward, and others. It can be assumed that it has the structure of

Since the simple bed 1 is configured as described above, the bed body 5 is placed in the use position so that the patient can be placed on the bed and examined. When the patient does not need to be laid down, the recess 16 , 16 to turn the bed body 5 from the use position to the folding position.
At this time, since the urging force of the urging means 8 as the gas spring 26 assists the rotation of the bed body 5 from the use position to the folding position, the bed body 5 can be rotated to the folding position with light force. it can.

  When the bed body 5 is in the folded position, it stands along the wall surface 2 and does not occupy the room space so much that it can be used in a wide room and is used as an examination table. Only when is it necessary to rotate the bed body 5 to the use position.

  When the bed main body 5 is in the folded position, the movable leg 6 and a part of the connecting rod 7 are accommodated in a concave groove 13 provided on the lower surface of the bed main body 5, and the biasing means 8 is Since they are housed in the recessed grooves 9 of the fixed legs 4 and they are not exposed to the outside, the appearance is good, and the possibility that the movable legs 6 and the urging means 8 come into contact with pedestrians and the like is reduced. High safety.

  When returning the bed main body 5 from the folded position to the use position, the urging force of the urging means 8 becomes a resistance, and the bed main body 5 can be prevented from suddenly turning to the use position. That is, the urging means 8 acts as a damper, and the impact when the movable leg 6 contacts the floor can be reduced.

  The simple bed 1 is composed of a few parts including a bed main body 5, a fixed leg 4, a movable leg 6, a connecting rod 7, and a biasing means 8, and has a simple structure and can be manufactured at low cost. it can.

The present invention is not limited only to the above-described embodiments, and can be implemented in various modified modes as follows, for example, without departing from the scope of the claims.
(1) The simple bed 1 is attached to the wall of the hospital aisle and used as an emergency bed in the event of a disaster, etc., attached to the wall of a hospital room and used as an auxiliary bed for an attendant, etc. In addition, it is attached to the wall surface of ordinary houses and offices and used as an auxiliary bed.
(2) The attaching means 12 is removed from the wall surface 2, the simple bed 1 is put into use, the fixed leg 4 and the movable leg 6 are brought into contact with the floor, and used as a self-supporting simple bed.
(3) It is assumed that the gas spring 26 is always urged toward the direction in which it is drawn into the cylinder 23 by the gas pressure enclosed in the cylinder 23 and / or the urging force of a coil spring (both not shown). The base end portion of the cylinder 23 is connected to a part of the fixed leg 4 above the shaft 20 with a shaft facing in the left-right direction, and the connecting rod 7 is biased so as to be pulled up by the gas spring 26.
(4) Instead of the gas spring 26, a compression coil spring is used. In this case, in order to prevent the compression coil spring from buckling, it is preferable to provide a telescopic cylinder inside or outside the compression coil spring.
(5) Instead of the gas spring 26, a tension coil spring is used. In this case, one end of the tension coil spring is fastened to an intermediate portion of the connecting rod 7 in the front-rear direction, and the other end is fastened to a portion of the fixed leg 4 above the shaft 20.

DESCRIPTION OF SYMBOLS 1 Simple bed 2 Wall surface 3 Floor surface 4 Fixed leg 5 Bed main body 6 Movable leg 7 Connecting rod 8 Energizing means 9 Groove 10 Attachment metal 11 Fixing means 12 Attachment means 13 Groove 14 Substrate 15 Cushion body 16 Recess 17 Bracket 17a base Pieces 17b, 17c Hanging pieces 18-22 Shaft 23 Cylinder 24 Shaft 25 Piston rod 26 Gas spring 27 Recess 28 Locking means 29, 30 Pin hole 31 Lock pin 31a Head 32 Strip

Claims (5)

A pair of left and right fixed legs which are provided with a concave groove facing in the vertical direction on the front surface, and which are attached to the wall surface with attachment means;
A bed body pivotally attached to the upper end of the fixed leg with a shaft facing in the left-right direction, and capable of rotating between a substantially horizontal use position and a folding position facing upward;
In the front part of the bed main body, the upper end is pivotally attached with a shaft that faces in the left-right direction, and when the bed main body is in the use position, the lower end touches the floor, and when the bed main body is in the folded position, it hangs down from the bed main body With movable legs
A connecting rod in which front and rear ends are connected to the vertical intermediate portion of the movable leg and the vertical intermediate portion of the fixed leg in parallel with the bed main body,
One end is connected to an intermediate portion of the connecting rod, and the other end is connected to the fixed leg, the connecting rod is biased in a direction in which the bed main body is located at the folding position, and the bed main body is located at the folding position. And a biasing means adapted to be accommodated in the recessed groove of the fixed leg.   A concave groove facing in the front-rear direction is provided on the lower surface of both sides of the bed body, and at the rear part of the concave groove, the rear end part of the bed body is pivotally attached to the upper end part of the fixed leg, and at the front part in each of the concave grooves. The upper end of the movable leg is pivotally attached to the front part of the bed body, and when the bed body is in the folded position, the movable legs and a part of the connecting rod are accommodated in the concave grooves of the bed body. The cot according to claim 1 made.   A connecting rod is disposed outside the side surface of the fixed leg, and an end of the urging means disposed in the concave groove of the fixed leg with a shaft projecting on the side surface of the connecting leg on the fixed leg side, the connecting rod, A recess is provided on the front edge of a portion of the fixed leg sandwiched between the connecting rod and the biasing means so that the shaft enters when the bed body is in the folded position. 1 or 2 cots. The simple bed according to any one of claims 1 to 3, further comprising lock means for preventing the bed body from returning to the use position when the bed body is in the folded position.   5. The simple bed according to claim 4, wherein the lock means is a lock pin that is detachably fitted in a pin hole provided in an overlapping portion of a fixing leg and a connecting rod that overlap each other when the bed main body is in a folded position.

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