JP2009039508A - Bed apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a highly safe bed apparatus capable of turning a floor part upward from the inside of a base body with a storage part of the base body closed by the floor part. <P>SOLUTION: This bed apparatus includes the base body 10 having an open upper part and having the storage part 16 in the inside, the floor body 20 closing the storage part 16 of the base body 10, a link mechanism 30 relatively turnably connecting the base body 10 and the floor body 20, a gas spring 40 with a locking mechanism urging the floor body 20 in the opening direction and retaining the floor body 20 at an optional opening position, a first lever 60 for operating the gas spring 40 with the locking mechanism, and a wire 70 for transmitting the operation of the first lever 60 to the fixing means. This bed apparatus further includes a second lever 80 for turning the floor body 20 upward, inside the base body 10. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bed apparatus in which a base is provided with a storage portion, and the base and the floor are opened by relative rotation.

  As a conventional technology, it has a storage part and an openable / closable floor part that closes the upper opening of the storage part. The floor part is pivotally attached to the rear edge part of the opening part, and the storage part and the floor part are extended and supported by a gas spring. A bed pivoted with a spear is disclosed. The telescopic support rod always urges and urges the floor to swing upward. When the swing angle between the storage and the floor exceeds a certain angle, the floor is fully opened by the biasing force of the gas spring. (For example, refer to Patent Document 1).

Further, a base having an upper surface opened and having an inside as a receiving portion, a floor portion rotatably connected to one end portion of the base body and closing the base body in a state of lying down substantially horizontally, and the floor portion and the base body One end and the other end of the floor are connected to each other so that the other end of the floor is lifted by the biasing force, and the floor plate when the floor plate is laid down almost horizontally. A bed apparatus is disclosed that includes holding means for preventing the body from rotating upward (see, for example, Patent Document 2).
JP 2000-175775 A JP 2006-320553 A

  However, it is difficult for the floor portion of the prior art to hold the floor portion at the opening position that matches the storage item when putting in or out the storage portion. When the storage item hits the floor portion, the opening position of the floor portion is difficult. As a result, the workability and safety were problematic. In addition, when the floor is in a fully open position, there is a problem that the hands of short workers such as children cannot reach the floor.

  The present invention has been made in view of the above problems, and can provide a bed apparatus that can hold a floor portion at an arbitrary opening position that matches a stored item and is excellent in workability and safety. Objective.

  In order to solve the above-mentioned problem, the invention described in claim 1 is characterized in that a base having an opening at the top and having a storage portion therein, a floor portion for closing the storage portion of the base body, and the floor portion as the base body. A connecting means for rotatably connecting, an urging means for urging the floor in the opening direction, a fixing means for holding the floor at an arbitrary opening position, and a first for releasing the holding of the fixing means 1 lever means, and a transmission means for transmitting the operation of the lever means to the fixing means.

  According to a second aspect of the present invention, the fixing means is provided on both sides in the width direction of the base body and is operated simultaneously by the first lever means.

  According to a third aspect of the present invention, the transmission means is provided inside the floor portion.

  According to a fourth aspect of the present invention, the floor includes a cover member that covers a side surface of the connecting means.

  According to a fifth aspect of the present invention, the biasing means and the fixing means are gas springs with a lock mechanism that are integrally formed.

  The invention described in claim 6 is further characterized in that a second lever means for allowing the floor portion to turn upward is provided inside the base body.

  The invention according to claim 7 is characterized by comprising an elastic member that rotates the floor to a predetermined opening position by operation of the second lever means.

  The invention according to claim 8 is characterized in that the second lever means includes a lever pin, and the elastic member includes a slide pin provided with a groove engaging with the lever pin.

  Further, the invention according to claim 9 is characterized in that the base body includes a lighting hole that makes the second lever means visible from the inside of the base body in a state where the floor portion closes the storage portion. To do.

  The invention according to claim 10 is characterized in that the second lever means includes a luminous member.

  In the first aspect of the present invention, the fixing means can adjust the opening position of the floor portion to the stored item, and the floor portion is held by the fixing means. Therefore, even if the stored item hits the floor portion, the opening of the floor portion is maintained. The position does not change and workability and safety are improved. Moreover, since it is not necessary to open the floor part fully open, the problem that the hand of a short operator such as a child does not reach the floor part can be solved.

  According to the second aspect of the present invention, since the fixing means provided on both sides in the width direction of the base are simultaneously operated by the lever means, both sides of the floor portion can be held at the same rotation angle. It is possible to prevent torsional deformation of the floor portion and improve the holding strength in the open state of the floor portion.

  In the invention according to claim 3, since the transmission means is provided inside the floor portion, the transmission means does not get in the way when a stored item is taken in and out of the storage portion, and workability is improved. Moreover, since the transmission means is protected in the floor portion, it is possible to prevent a failure caused by touching the transmission means when taking in and out the stored items.

  Moreover, since the invention of Claim 4 equips a floor with the cover member which covers the side surface of a connection means, a connection means cannot be seen from a user, and designability and safety | security improve.

  Further, the invention according to claim 5 uses a gas spring with a lock mechanism which is integrally configured for the urging means and the fixing means, so that the storage space can be secured and the apparatus can be simplified by saving the storage space. It becomes possible.

  Further, in the invention described in claim 6, since the second lever means for allowing the floor portion to turn upward is provided inside the base body, the base body is in a state where a person accidentally enters the storage section for some reason. Even if the floor portion is closed (locked) in the storage portion of the bed, the person inside the base body can rotate the floor portion upward even if there is no other person outside the base body. Can be further improved.

  In the invention according to claim 7, the floor portion can be rotated by the elastic member to the predetermined opening position by the operation of the second lever means. Therefore, even a child, woman, or elderly person with weak power can easily turn the floor to a predetermined opening position.

  In the invention according to claim 8, the lever pin of the second lever means is structured to engage with the groove of the slide pin of the elastic member, so that a simple mechanical structure can be used without using electronic control or the like. A person who is inside the base body can rotate the floor portion upward while suppressing the cost.

  In the invention according to claim 9, since the base is provided with a daylighting hole that allows the second lever means to be visually recognized from the inside of the base with the floor portion closing the storage portion, The second lever means for rotating the floor portion upward can be easily found.

  In the invention according to claim 10, since the second lever means includes a luminous member (for example, luminous paint), the second lever means for turning the floor portion upward by the person inside the substrate can be easily provided. Can be found.

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

  FIG. 1 is a partial cross-sectional side view showing a state in which the storage section 16 is closed in the bed apparatus 1 of the present invention. The bed apparatus 1 includes a box-shaped base body 10 having an upper surface formed of a head frame 11 at one end in the longitudinal direction, a foot frame 12 at the other end, side plates 13 and 14 in the width direction, and a bottom plate 15 at the bottom. I have. A storage portion 16 is configured inside the base body 10. A floor body 20 (floor part) that is longer than the length dimension of the base body 10 in a longitudinal direction and is rotatably provided at one end portion in the longitudinal direction by a link mechanism 30 (connecting means) closes the upper surface opening of the base body 10. To be provided. The side plates 13 and 14 of the base body 10 are provided with daylighting holes 17 that allow the second lever 80 (second lever means) to be visually recognized from the inside of the base body 10 with the floor 20 closing the storage portion 16. A mattress (not shown) is placed on the floor body 20.

  The gas spring 90 (elastic member) attached to the side plate 14 has a slide pin 91 and a fixture 41 attached to the lower surface of the floor 20. The end is pivotally mounted. Similarly, a gas spring 40 with a lock mechanism is rotatably attached to the side plate 13 and the floor body 20.

  The link mechanism 30 is the head frame 11 side end in the longitudinal direction of the floor body 20, and is attached to the lower surface of the floor body 20 and the mounting plate 42 attached to the inner side of the side plate 14 (the storage section 16 side). The first link 34 and the second link 35 are rotatably attached to the attachment plate 31 with pins 33. Similarly, a link mechanism 30 is provided on the storage plate 16 side (inner side) of the side plate 13 and the lower surface of the floor body 20. The mounting plate 42 is L-shaped and is firmly fixed to the inside of the side plate 14 and the surface of the bottom plate 15. As a result, the connection strength between the side plate 14 and the bottom plate 15 increases, and even if a large acting force of the gas spring 90 acts on the side plate 14 via the mounting plate 42, the side plate 14 and the bottom plate 15 are not separated. Absent.

  In the longitudinal direction of the floor 20, the first lever 60 (the first lever 60) that operates to fix and release the gas spring 40 with a lock mechanism via the wire 70 (transmission means) outward from the foot frame 12 (right side in FIG. 1). 1 lever means) is provided. When the first lever 60 is operated, the wire 70 is pulled, and the fixation of the gas spring 40 with the lock mechanism is released. When the first lever 60 is returned after the rotation angle of the floor body 20 is changed and the opening is adjusted to an arbitrary position, the floor body 20 is fixed (held) by the gas spring 40 with a lock mechanism.

  A state in which the floor body 20 of the bed apparatus 1 is rotated and held at an arbitrary opening position is indicated by a two-dot chain line. The floor body 20 can be adjusted to an arbitrary angle by the link mechanism 30. Even when the mattress is placed on the floor body 20, the floor body 20 is moved in the direction away from the head frame 11 by the link mechanism 30 (right side in FIG. 1), so that the rotation of the floor board 11 is not hindered. Yes. The floor body 20 is provided with a link cover 36 that covers the side surface of the link mechanism 30. When the floor 20 is rotated, the link cover 36 covers the side surface of the link mechanism 30, so that the link mechanism 30 is not visible to the user.

  A state in which the floor body 20 of the bed apparatus 1 is rotated by the gas spring 90 to a predetermined opening position is indicated by a one-dot chain line. The slide pin 91 of the gas spring 90 rotates the floor 20 upward by operating a second lever 80 (second lever means) provided on the side plates 13 and 14 inside the base body 10. The floor body 20 rotates to a position (predetermined opening position) indicated by a one-dot chain line. Further, the gas spring 40 with a lock mechanism also rotates the floor 20 upward while maintaining fixation.

  FIG. 2 is a plan view of the bed apparatus 1 of the present invention. Side plates 13 and 14 are provided in the width direction of the bed apparatus 1, and each includes a gas spring 40 with a lock mechanism. The wire 70 is provided inside the floor body 20 and transmits the operation of the first lever 60 to the gas spring 40 with a lock mechanism provided on both sides of the bed apparatus 1. The wire 70 is accommodated inside the floor body 20 using the wire cover 71. However, the wire cover 71 is not essential, and a roller unit including a roller provided so as to be freely rotatable is used inside the floor body 20 appropriately. A wire 70 may be provided. Moreover, it may replace with a wire and may comprise a plurality of metal rods and a connecting member for connecting them, and a hydraulic device may be used.

  The gas spring 90 and the second lever 80 are provided on the side plates 13 and 14, respectively. Each of the second levers 80 is interlocked so that when one of the second levers 80 is operated, the other lever also operates. The gas spring 90 rotates the floor 20 upward.

  FIG. 3 is an enlarged cross-sectional view of the first lever 60. A metal terminal piece 72 is provided at the end of the wire 70 accommodated in the wire cover 71 disposed on the floor body 20. The terminal piece 72 is attached to one end of the wire connector 62, and the other end of the wire connector 62 is attached to the working shaft 61 of the first lever 60. When the first lever 60 is operated, the terminal piece 72 is pulled.

  FIG. 4 is a cross-sectional view of the gas spring 40 with a lock mechanism. The gas spring 40 with a lock mechanism includes a metal casing 43, a gas storage unit 44 for storing compressed gas, a free piston 45 configured to be movable in the casing 43 by the compressed gas, and a first oil chamber 51. , A second oil chamber 52, a valve body 54 provided with a valve 55 for releasing and fixing the piston 47, a piston rod 46 that engages with the piston 47 and expands and contracts in the longitudinal direction of the casing 43, and a seal body 59. Has been. The valve body 54 controls the movement of oil in the first oil chamber 51 and the first oil chamber 52 by moving the valve 55 provided at the other end in the vertical direction. When the first lever 60 is operated, the valve 55 leaves the piston opening, and the piston 47 is biased upward with a constant force by the gas pressure in the gas storage unit 44.

  FIG. 5 is an explanatory view showing a partial cross section of the gas spring 40 with a lock mechanism. When the floor 20 is rotated upward while operating the first lever 60, the oil in the second oil chamber 52 passes through the piston communication port 57 from the orifice 58 provided in the piston 47, and the first oil chamber. Move to 51. When the floor 20 is rotated downward while operating the first lever 60, the oil in the first oil chamber 51 passes through the orifice 58 from the piston communication port 57 provided in the piston 47, and the second oil chamber 52. Move to.

  FIG. 6 is an explanatory view showing details of the second lever 80 and the gas spring 90. The second lever 80 includes a lever pin 81, and the lever pin 81 rotates around the lever shaft 82. One end of the lever pin 81 is provided with an operation portion 83 and is applied with a luminous paint. The gas spring 90 includes a slide pin 91 that slides up and down, and the slide pin 91 is provided with a groove 92 that engages with the lever pin 81. One end of a gas spring 40 with a lock mechanism is rotatably attached to the slide pin 91.

  FIG. 7 is an explanatory diagram showing a state in which the second lever 80 is operated. When the operating portion 83 is rotated about the lever shaft 82, the lever pin 81 and the groove 92 are disengaged, and the slide pin 91 is raised and the floor 20 is also rotated upward. When the floor body 20 is rotated downward (in the direction of closing the storage portion), the lever pin 81 engages with the groove 92 and is fixed.

  In the bed apparatus 1 of the present invention, since the second lever 80 that allows the floor body 20 to be rotated upward is provided inside the base body 10, the person who has accidentally entered the storage unit 16 for some reason has entered the base body 10. Even when the floor body 20 is closed (locked) in the storage section 16, the person inside the base body 10 can rotate the floor body 20 upward, and the bed apparatus 1 with excellent safety is provided. it can. As a matter of fact, depending on the volume of the storage unit 16, a person may not completely enter the storage unit 16, and in this case, the second lever 80 may not be provided.

  In addition, by providing the gas spring 90 that can rotate the floor 20 to a predetermined opening position, even a child, a woman, or an elderly person with weak power can easily rotate the floor 20 to a predetermined opening position.

  Further, since the lever pin 81 of the second lever 80 is configured to engage with the groove 92 of the slide pin 91 of the gas spring 90, the base body can be manufactured while suppressing costs with a simple mechanical structure without using electronic control or the like. The person inside 10 can turn the floor 20 upward.

  Further, the side plates 13 and 14 of the base body 10 are provided with daylighting holes 17 that allow the second lever 80 to be visually recognized from the inside of the base body 10 with the floor 20 closing the storage portion 16. The person who is present can easily find the second lever 80 for rotating the floor 20 upward.

  In addition, since the luminous paint is applied to the operation portion 83 of the second lever 80, the person inside the base body 10 can easily find the second lever 80 that rotates the floor body 20 upward.

  Further, since the gas springs 40 with lock mechanisms provided on both sides in the width direction of the base body 10 are simultaneously operated by the first lever 60, both sides of the floor body 20 can be held at the same rotation angle, and the floor body Thus, it is possible to prevent the twist deformation of 20 and to improve the holding strength of the floor body 11 in the open state.

  Further, since the wire 70 is provided inside the floor body 20, when the stored item is taken in and out of the storage unit 16, the wire 70 does not interfere with the loading and unloading of the stored item, and the workability is improved. Further, since the wire 70 is protected in the floor body 20, it is possible to prevent a failure caused by touching the wire when taking in and out the stored items.

  Moreover, since the link cover 36 which covers the side surface of the link mechanism 30 is provided in the floor body 20, the link mechanism 30 cannot be seen from a user, and designability and safety | security improve.

  Further, since the gas spring 40 with a lock mechanism in which the urging unit and the fixing unit are integrally formed is used, it is possible to secure a storage space and to simplify the apparatus by saving the space of the storage unit 16.

It is a fragmentary sectional side view which shows the state which closed the accommodating part in the bed apparatus of this invention. It is a top view of the bed apparatus of the present invention. It is a cross-sectional enlarged view of a 1st lever. It is sectional drawing of a gas spring with a locking mechanism. It is explanatory drawing which shows the partial cross section of the gas spring with a locking mechanism. It is explanatory drawing which shows the detail of a 2nd lever and a gas spring. It is explanatory drawing which shows the state which operated the 2nd lever.

Explanation of symbols

1 Bed device 10 Base 16 Storage unit 20 Floor (floor)
30 Link mechanism (connecting means)
40 Gas spring with locking mechanism (biasing means, fixing means)
60 First lever (first lever means)
70 wire (transmission means)
80 Second lever (second lever means)
90 Gas spring (elastic member)

Claims (10)

A base having an opening at the top and a storage portion inside;
A floor portion for closing the storage portion of the base;
Connecting means for connecting the base body and the floor portion so as to be relatively rotatable;
Urging means for urging the floor portion in the opening direction;
Fixing means for holding the floor at an arbitrary opening position;
First lever means for releasing the holding state of the fixing means;
A bed device comprising: a transmission means for transmitting an operation of the first lever means to the fixing means. The bed apparatus according to claim 1, wherein the fixing means is provided on both sides in the width direction of the base and is operated simultaneously by the lever means. The bed apparatus according to claim 1 or 2, wherein the transmission means is provided inside the floor portion. The bed apparatus according to any one of claims 1 to 3, wherein the floor portion includes a cover member that covers a side surface of the connecting means. The bed apparatus according to any one of claims 1 to 4, wherein the urging means and the fixing means are gas springs with a lock mechanism that are integrally formed.   The bed apparatus according to claim 1, further comprising second lever means that allows the floor portion to be rotated upward in the base body.   The bed apparatus according to claim 6, further comprising an elastic member that rotates the floor to a predetermined opening position by operating the second lever means.   The bed apparatus according to claim 6, wherein the second lever means includes a lever pin, and the elastic member includes a slide pin provided with a groove that engages with the lever pin.   The said base | substrate is equipped with the lighting hole which makes the said 2nd lever means visible from the inside of a base | substrate in the state which the said floor part obstruct | occluded the said accommodating part, At least any one of Claim 6 thru | or 8 characterized by the above-mentioned. The bed apparatus according to item.   10. The bed apparatus according to claim 6, wherein the second lever means includes a nightlight member.

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