WO2021054324A1 - 部材固定機構、被固定部材装置及びベッド装置 - Google Patents

部材固定機構、被固定部材装置及びベッド装置 Download PDF

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Publication number
WO2021054324A1
WO2021054324A1 PCT/JP2020/034916 JP2020034916W WO2021054324A1 WO 2021054324 A1 WO2021054324 A1 WO 2021054324A1 JP 2020034916 W JP2020034916 W JP 2020034916W WO 2021054324 A1 WO2021054324 A1 WO 2021054324A1
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WO
WIPO (PCT)
Prior art keywords
bar
receiving portion
receiving
fixing mechanism
bar portion
Prior art date
Application number
PCT/JP2020/034916
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English (en)
French (fr)
Japanese (ja)
Inventor
豊 永野
二郎 野口
Original Assignee
パラマウントベッド株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パラマウントベッド株式会社 filed Critical パラマウントベッド株式会社
Publication of WO2021054324A1 publication Critical patent/WO2021054324A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds

Definitions

  • the embodiment of the present invention relates to a member fixing mechanism, a fixed member device, and a bed device.
  • a member device such as a board is detachably fixed to a receiving portion attached to a bed or the like. It is desired to stably fix the member device.
  • An embodiment of the present invention provides a member fixing mechanism, a fixed member device, and a bed device that can be fixed more stably.
  • the member fixing mechanism includes a receiving portion and a bar portion that is inserted into the receiving portion along the first direction.
  • the bar portion includes a portion in which the thickness of the bar portion becomes thinner toward the first direction.
  • the thinned portion becomes thin at least in the second direction.
  • the second direction is a direction orthogonal to the first direction.
  • the receiving portion and the bar portion come into contact with each other at the first position, the second position, and the third position.
  • the first position and the second position are located on the same side in the second direction when viewed from the bar portion.
  • the third position is located on the opposite side of the first position and the second position in the second direction when viewed from the bar portion.
  • the third position is located at the thinned portion.
  • An embodiment of the present invention can provide a member fixing mechanism, a fixed member device, and a bed device that can be fixed more stably.
  • FIG. 1 is a schematic perspective view illustrating a bed device in which the member fixing mechanism according to the first embodiment is used.
  • 2 (a) and 2 (b) are schematic perspective views illustrating a fixed member device in which the member fixing mechanism according to the first embodiment is used.
  • 3 (a) to 3 (c) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • 4 (a) and 4 (b) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • 5 (a) and 5 (b) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • 6 (a) and 6 (b) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • FIG. 7 (a) and 7 (b) are schematic transmission side views illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 8 is a schematic perspective view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 9 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 10 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 11 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 12 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 13 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 14 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 15 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 16 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 17 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 18 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 19 is a schematic perspective view illustrating the bed device according to the third embodiment.
  • FIG. 20 is a simplified view of the fixing member mechanism according to the first embodiment.
  • FIG. 21 is a diagram schematically showing a plurality of fixing member mechanisms having different convex arrangements.
  • FIG. 1 is a schematic perspective view illustrating a bed device in which the member fixing mechanism according to the first embodiment is used.
  • the fixed member device 150 including the member fixing mechanism 130 according to the embodiment is used for, for example, the bed device 310.
  • the fixed member device 150 includes a structural component 15.
  • the structural component 15 includes at least one of a headboard 15A and a footboard 15B.
  • a case where the structural component 15 includes the headboard 15A will be described.
  • the bed device 310 includes a fixed member device 150 including a member fixing mechanism 130 and a frame 70F.
  • a part of the member fixing mechanism 130 is fixed to the frame 70F.
  • the frame 70F is provided on the base frame 70BF.
  • the height of the frame 70F may be changed with reference to the base frame 70BF.
  • the frame 70F includes a short frame 70Fa and a long frame 70Fb.
  • the short frame 70F extends in the left-right direction of the bed device 310.
  • the long frame 70Fb extends in the longitudinal direction of the bed device 310.
  • the extending direction of the long frame 70Fb is the X-axis direction.
  • the direction perpendicular to the X-axis direction is defined as the Y-axis direction.
  • the direction perpendicular to the X-axis direction and the Y-axis direction is defined as the Z-axis direction.
  • the Y-axis direction is, for example, the left-right direction.
  • the Z-axis direction is, for example, the height direction.
  • two short frames 70Fa and two long frames 70Fb are provided.
  • the headboard 15A is provided on one of the two short frames 70F.
  • a footboard 15B is provided on another one of the two short frames 70F.
  • the two short frames 70Fa are fixed to the two long frames 70Fb.
  • the shapes of the headboard 15A and the footboard 15B are board-like extending along the Y direction and the Z direction, respectively.
  • FIG. 2 (a) and 2 (b) are schematic perspective views illustrating a fixed member device in which the member fixing mechanism according to the first embodiment is used.
  • the fixed member device 150 includes a member fixing mechanism 130 and a structural component 15 (in this example, the headboard 15A).
  • FIG. 2A illustrates a state in which the structural component 15 is fixed to the frame 70F by the member fixing mechanism 130.
  • FIG. 2B illustrates a state in which the structural component 15 is separated from the frame 70F.
  • the member fixing mechanism 130 can detachably fix the structural component 15 to the frame 70F, for example.
  • the member fixing mechanism 130 includes the member device 11M and the receiving portion 21.
  • a part of the member device 11M is fixed to the structural component 15.
  • the receiving portion 21 is fixed to the frame 70F, for example.
  • the member device 11M is removable from the receiving portion 21.
  • the structural component 15 for example, the headboard 15A
  • the member device 11M is fixed can be detachably connected to the frame 70F to which the receiving portion 21 is fixed.
  • a plurality of member devices and a plurality of receiving portions are provided.
  • the member device 11M which is one of the plurality of member devices, can be detachably connected to the receiving portion 21 which is one of the plurality of receiving portions.
  • the member device 11A which is another one of the plurality of member devices, can be detachably connected to the receiving portion 21A, which is another one of the plurality of receiving portions.
  • the receiving portion 21 of the member fixing mechanism 130 may be covered with a cover 16 or the like.
  • the member device 11M and the receiving portion 21 will be described.
  • the configurations of the member device 11M and the receiving portion 21 can be applied to the member device 11A and the receiving portion 21A.
  • FIG. 3 (a) to 3 (c) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • FIG. 3A is a perspective view.
  • FIG. 3B is a side view.
  • FIG. 3C is a perspective view of the back surface.
  • the member device 11M includes the bar portion 11.
  • the bar portion 11 includes a first portion 11e and a second portion 11f.
  • the first portion 11e is, for example, the lower end of the bar portion 11.
  • the second portion 11f is, for example, the upper end portion of the bar portion 11 (see FIG. 8).
  • the second portion 11f is connected to the structural component 15 (see FIG. 8).
  • the structural component 15 may be considered to be included in the member device 11M.
  • the member device 11M may include the bar portion 11 and the structural component 15 to which the second portion 11f of the bar portion 11 is connected.
  • the two bar portions connected to one structural component 15 are arranged side by side in the Y direction, that is, in the lateral direction of the frame 70F of the bed device 310.
  • the bar portion 11 includes a first surface 11a and a second surface 11b.
  • the second surface 11b is opposite to the first surface 11a.
  • the first surface 11a and the second surface 11b are between the second portion 11f and the first portion 11e.
  • the second surface 11b includes an inclined surface 11c.
  • the inclined surface 11c is inclined with respect to the first surface 11a so that the distance d11 between the inclined surface 11c and the first surface 11a becomes shorter as the direction from the second portion 11f to the first portion 11e progresses. ..
  • the distance d11 is the length in the longitudinal direction of the frame 70F of the bed device 310.
  • the orientation from the second portion 11f to the first portion 11e corresponds to the first direction D1.
  • the first direction D1 from the second portion 11f to the first portion 11e corresponds to, for example, the ⁇ Z direction.
  • the bar portion 11 includes a second surface recess 11d provided on the second surface 11b.
  • the second surface recess 11d is between the inclined surface 11c and the first portion 11e.
  • a part of the part of the receiving portion 21 can be inserted into the second surface recess 11d.
  • the first surface 11a includes a first region R1 and a second region R2.
  • the position of the inclined surface 11c in the first direction D1 from the second portion 11f to the first portion 11e is the position of the first region R1 in the first direction D1 and the position of the second region R2 in the first direction D1. between.
  • the first surface 11a further includes a third region R3.
  • the position of the third region R3 in the first direction D1 is between the position of the first region R1 in the first direction D1 and the position of the second region R2 in the first direction D1.
  • the first surface 11a is provided with the first surface recess 11qa.
  • the first surface recess 11qa recedes from the surrounding region (the first non-concave 11qb and the second non-concave 11qc described later) in the entire first surface 11a. That is, the first surface 11a includes a first surface recess 11qa, a first non-concave 11qb, and a second non-concave 11qc.
  • the position of the first surface recess 11qa in the first direction D1 (for example, the ⁇ Z direction) is between the position of the first non-recess 11qb in the first direction and the position of the second non-recess 11qc in the first direction. It is in.
  • the first surface recess 11qa is between the first non-recess 11qb and the second non-recess 11qc.
  • the direction from the first surface recess 11qa to the inclined surface 11c is along the second direction (for example, the X-axis direction) that intersects the first direction D1.
  • the direction from the first non-recessed portion 11qb to the inclined surface 11c intersects the second direction.
  • the direction from the second non-recessed portion 11qc to the inclined surface 11c intersects the second direction.
  • the direction from the first surface recess 11qa to the inclined surface 11c is perpendicular to the first direction D1.
  • the direction from the first non-recessed portion 11qb to the inclined surface 11c and the direction from the second non-recessed portion 11qc to the inclined surface 11c are inclined with respect to the first direction D1b.
  • the first surface recess 11qa corresponds to at least a part of the third region R3.
  • the first non-recessed portion 11qb corresponds to at least a part of the first region R1.
  • the second non-recessed portion 11qc corresponds to at least a part of the second region R2.
  • the bar portion 11 includes the second surface convex portion 11p provided on the second surface 11b.
  • the second surface convex portion 11p is between the second portion 11f and the inclined surface 11c. That is, the second surface convex portion 11p is above the inclined surface 11c.
  • the second surface convex portion 11p may be continuous with the inclined surface 11c.
  • the inclined portion 11c is located between the second surface convex portion 11p and the first portion 11e.
  • FIG. 4A is a side view.
  • FIG. 4B is a perspective view.
  • FIG. 5A is a perspective view illustrating a part of the receiving portion 21.
  • FIG. 5B is a side view illustrating a part of the receiving portion 21.
  • the receiving portion 21 includes a structure 21S, a supporting portion 21P and a rotating portion 21R.
  • the structure 21S is fixed to, for example, a frame 70F (for example, a short frame 70F).
  • the support portion 21P is, for example, a pin.
  • the structure 21S has a receiving portion surface 21F (see FIGS. 7 (a) and 7 (b)).
  • the structure 21S includes a first piece 21Sa, a second piece 21Sb, and a third piece 21Sc.
  • the first piece 21Sa and the second piece 21Sb are, for example, along the ZX plane.
  • the third piece 21Sc is along the ZZ plane.
  • the third piece 21Sc is continuous with one end of the first piece 21Sa and one end of the second piece 21Sb. For example, by bending one plate (for example, a metal plate), the first piece portion 21Sa, the second piece portion 21Sb, and the third piece portion 21Sc can be formed.
  • At least a part of the inner surface of the third piece 21Sc corresponds to the receiving surface 21F.
  • the inner surface of the third piece 21Sc faces the support portion 21P and the rotating portion 21R.
  • a recess (or a hole) may be provided in the third piece 21Sc.
  • the recess (or hole) of the third piece 21Sc corresponds to the receiving portion surface recess 21Fh (or hole) of the receiving portion surface 21F.
  • the periphery of the recess of the third piece 21Sc corresponds to the receiving portion surface 21F.
  • Above the recess of the third piece 21Sc there is a part (upper part) of the receiving portion surface 21F.
  • Below the recess of the third piece 21Sc there is another part (lower part) of the receiving portion surface 21F.
  • the support portion 21P is fixed to the structure 21S.
  • the support portion 21P extends along the Y-axis direction. For example, holes are provided in each of the first piece 21Sa and the second piece 21Sb. The support portion 21P penetrates these holes. As a result, the support portion 21P is fixed to the structure 21S.
  • the structure for fixing is arbitrary.
  • the rotating portion 21R can rotate around the supporting portion 21P.
  • the rotating portion 21R can rotate around the supporting portion 21P.
  • the rotating portion 21R is provided with a hole 21Rh.
  • the support portion 21P penetrates the hole 21Rh.
  • the rotating portion 21R can rotate around the supporting portion 21P while being supported by the supporting portion 21P.
  • the receiving portion 21 includes an elastic member 28.
  • a force is applied to the rotating portion 21R by the elastic member 28.
  • the elastic member 28 is, for example, a spring.
  • 6 (a) and 6 (b) are schematic views illustrating a part of the member fixing mechanism according to the first embodiment.
  • 6 (a) and 6 (b) illustrate the elastic member 28.
  • the elastic member 28 includes one end 28a and the other end 28b.
  • the elastic member 28 includes a first elastic portion 28p including one end 28a and a second elastic portion 28q including the other end 28b.
  • 6 (a) and 6 (b) illustrate the state when no force is applied to the elastic member 28.
  • Both one end 28a and the other end 28b extend in the Y direction.
  • the portion of the first elastic portion 28p excluding one end 28a and the portion of the second elastic portion 28q excluding the other end 28b extend linearly in the XZ plane in different directions. It has a predetermined angle.
  • a loop portion whose central axis extends in the Y direction is provided between the first elastic portion 28p and the second elastic portion 28q. In the loop portion, the elastic member 28 orbits like a coil spring.
  • the loop portion imparts elastic force to the first elastic portion 28p and the second elastic portion 28q so as to hold a predetermined angle. That is, when these elastic portions are wider than a predetermined angle, a force trying to narrow is generated, and when they are narrower than a predetermined angle, a force trying to widen is generated.
  • a hole 21Sah (or a recess) is provided in the first piece 21Sa.
  • a hole 21h (or a recess) is provided in the rotating portion 21R.
  • One end 28a of the elastic member 28 is inserted into the hole 21Sah and fixed.
  • the other end 28b of the elastic member 28 is inserted into the hole 21h and fixed.
  • the angle between the first elastic portion 28p and the second elastic portion 28q when the elastic member 28 is fixed to the hole 21Sah and the hole 21h is the angle when no force is applied to the elastic member 28 (FIG. 6 (a) and FIG. 6 (b)).
  • the elastic member 28 applies a force in the clockwise direction or a force in the counterclockwise direction to the rotating portion 21R.
  • An example of the force applied by the elastic member 28 to the rotating portion 21R will be described later.
  • the rotating portion 21R includes a first rotating portion protrusion 21p.
  • the first rotating portion protrusion 21p is a lower protrusion on the rotating portion 21R.
  • the first rotating portion protrusion 21p is below the supporting portion 21P.
  • the rotating portion 21R may include a second rotating portion protrusion 21q and a third rotating portion protrusion 21r.
  • the second rotating portion protrusion 21q is above the supporting portion 21P.
  • the third rotating portion protrusion 21r projects in the X-axis direction when viewed from the support portion 21P.
  • the rotating portion 21R can be rotated by manually operating the third rotating portion protrusion 21r.
  • a locked state or an unlocked state for example, an unlocked state described later may be formed.
  • the bar portion 11 may be able to form an unlocked state (for example, an unlocked state) by pushing the second rotating portion protrusion 21q.
  • FIG. 7A and 7 (b) are schematic transmission side views illustrating the member fixing mechanism according to the first embodiment.
  • FIG. 7A corresponds to the first state ST1 of the receiving portion 21.
  • FIG. 7B corresponds to the second state ST2 of the receiving portion 21.
  • the first state ST1 corresponds to, for example, a locked state.
  • the second state ST2 corresponds to, for example, an unlocked state or an unlocked state.
  • the height of the third rotating portion protrusion 21r in the first state ST1 is lower than the height of the third rotating portion protrusion 21r in the second state ST2.
  • the first state ST1 or the second state ST2 may be formed by pushing the third rotating portion protrusion 21r upward or downward by a human operation.
  • the elastic member 28 of the receiving portion 21 includes one end 28a and the other end 28b.
  • One end 28a is fixed to the first fixed portion FP1 of the structure 21S.
  • the first fixed portion FP1 is the hole 21Sah (or recess) of the first piece 21Sa.
  • the other end 28b is fixed to the second fixed portion FP2 of the rotating portion 21.
  • the second fixed portion FP2 is a hole 21h (or a recess) of the rotating portion 21R.
  • the elastic member 28 tends to extend toward the natural state illustrated in FIG. 6 (b). As a result, the elastic member 28 applies the force in the clockwise direction shown in FIG. 7A to the rotating portion 21R.
  • the elastic member 28 tends to extend toward the natural state illustrated in FIG. 6 (b). As a result, the elastic member 28 applies a force in the counterclockwise direction in FIG. 7B to the rotating portion 21R.
  • the elastic member 28 has a first state ST1 that rotates the rotating portion 21R in the first direction and a second state ST2 that rotates the rotating portion 28 in the second direction opposite to the first direction.
  • the second fixed portion FP2 has a straight line LL1 connecting the center 21Pc of the support portion 21P and the first fixed portion FP1 and a receiving portion surface. It is between the 21st floor.
  • the elastic member 28 rotates the rotating portion 21R in the first direction (for example, clockwise).
  • the straight line LL1 is between the second fixed portion FP2 and the receiving portion surface 21F.
  • the elastic member 28 rotates the rotating portion 21R in the second direction (for example, counterclockwise) opposite to the first direction.
  • the elastic member 28 applies a force in the first direction or the second direction to the rotating portion 21R, so that the first state ST1 or the second state ST2 can be stably obtained.
  • the first state ST1 or the second state ST2 may be switched by a human operation.
  • the bar portion 11 is detachably attached to the receiving portion 21.
  • the bar portion 11 is detachably attached to the receiving portion 21.
  • FIG. 8 is a schematic perspective view illustrating the member fixing mechanism according to the first embodiment. As shown in FIG. 8, a part of the bar portion 11 is inserted into the structure 21S of the receiving portion 21. As a result, the bar portion 11 is attached to the receiving portion 21. The bar portion 11 is sandwiched between the receiving portion surface 21F and the support portion 21P and is stably fixed.
  • 9 to 13 are schematic cross-sectional views illustrating the member fixing mechanism according to the first embodiment.
  • 9 to 13 are cross-sectional views corresponding to lines B1-B2 of FIG. 9 to 13 show an example of an operation of fixing the bar portion 11 to the receiving portion 21.
  • the bar portion 11 and the receiving portion 21 are aligned.
  • the bar portion 11 is separated from the receiving portion 21.
  • the rotating portion 21R is in the locked state (first state ST1).
  • first state ST1 the locked state
  • the distance between the first rotating portion protrusion 21p of the rotating portion 21R and the receiving portion surface 21F is shorter than the distance in the unlocked state described later.
  • the elastic member 28 puts a locked state when a force in the clockwise direction in FIG. 9 is applied to the rotating portion 21R.
  • the bar portion 11 moves downward (direction of gravity).
  • the first portion 11e of the bar portion 11 passes through the gap between the receiving portion surface 21F of the receiving portion 21 and the support portion 21P.
  • the first surface 11a of the bar portion 11 can move downward along the receiving portion surface 21F, and can move stably and vertically.
  • the first portion 11e of the bar portion 11 corresponds to the first rotating portion protrusion 21p of the rotating portion 21R.
  • the first rotating portion protrusion 21p is pushed in the + X direction, and the distance between the first rotating portion protrusion 21p and the receiving portion surface 21F is longer than the distance in the state illustrated in FIG. Become.
  • the first portion 11e is below the support portion 21P, and the inclined surface 11c is above the support portion 21P.
  • the bar portion 11 further moves downward.
  • the first portion 11e of the bar portion 11 is below the first rotating portion protrusion 21p of the rotating portion 21R.
  • the first rotating portion protrusion 21p is outside the second surface recess 11d of the bar portion 11.
  • the bar portion 11 further moves downward.
  • the first rotating portion protrusion 21p enters the second surface recess 11d of the bar portion 11 by, for example, a clockwise force of the elastic member 28.
  • the rotating portion 21R is locked.
  • the bar portion 11 is fixed to the receiving portion 21 and is difficult to pull out.
  • FIG. 13 illustrates a state in which the bar portion 11 is pulled out in the locked state.
  • an upward (+ Z direction) force is applied to the bar portion 11 in order to pull out the bar portion 11.
  • the first rotating portion protrusion 21p is contained in the second surface recess 11d of the bar portion 11.
  • the first portion 11e comes into contact with the first rotating protrusion 21p, and the upward movement is restricted. Therefore, the bar portion 11 is fixed to the receiving portion 21 and cannot be pulled out.
  • the second rotating portion protrusion 21q or the third rotating portion protrusion 21r is operated to rotate the rotating portion 21R counterclockwise against the force of the spring of the elastic member 28 with a finger or the like. ..
  • the first rotating portion protrusion 21p gets over the first portion 11e and goes out of the second surface recess 11d of the bar portion 11.
  • the bar portion 11 can be pulled out from the receiving portion 21. In this way, the bar portion 11 can be detachably connected to the receiving portion 21.
  • the bar portion 11 may include the second surface recess 11d provided on the second surface 11b.
  • the rotating portion 21R may include the first rotating portion protrusion 21p.
  • the first region R1 and the second region R2 are in contact with the receiving portion surface 21F
  • the inclined surface 11c is in contact with the supporting portion 21P
  • the bar portion 11 is attached to the receiving portion 21.
  • the third region R3 does not come into contact with the receiving portion surface 12F.
  • the bar portion 11 When the bar portion 11 is attached to the receiving portion 21, the first position where the upper portion of the first surface 11a (for example, the first region R1) and the upper portion of the receiving portion surface 21F are in contact with each other, the first surface 11a
  • the bar portion 11 is located at the second position where the lower portion (for example, the second region R2) and the lower portion of the receiving portion surface 21F are in contact with each other, and at the third position where the inclined surface 11c and the support portion 21P are in contact with each other. Is fixed to the receiving portion 21. Since the bar portion 11 is fixed to the receiving portion 21 at substantially three positions, stable fixing is possible.
  • the bar portion 11 may be provided with the first surface recess 11qa, the first non-recess 11qb, and the second non-recess 11qc.
  • the first non-recessed portion 11qb and the second non-recessed portion 11qc come into contact with the receiving portion surface 21F.
  • the first surface recess 11qa is separated from the receiving portion surface 21F.
  • a gap g1 is formed between the first surface recess 11qa and the receiving portion surface 21F.
  • the bar portion 11 in the state where the bar portion 11 is attached to the receiving portion 21, the first position where the first non-recessed portion 11qb and the receiving portion surface 21F are in contact, and the second position where the second non-recessed portion 11qc and the receiving portion surface 21F are in contact with each other.
  • the bar portion 11 is fixed to the receiving portion 21 at the third position where the inclined surface 11c and the support portion 21P are in contact with each other. More clearly, the bar portion 11 is fixed to the receiving portion 21 at three positions. More stable fixing is possible.
  • the receiving portion surface 21F may include a receiving portion surface recess 21Fh (or a hole), a first receiving portion non-recessed 21Fa, and a second receiving portion non-recessed 21Fb.
  • the receiving portion surface recess 21Fh is between the first receiving portion non-recessed portion 21Fa and the second receiving portion non-recessed portion 21Fb portion.
  • the bar portion 11 in the state where the bar portion 11 is attached to the receiving portion 21, the first position where the first surface 11a and the first receiving portion non-recessed portion 21F contact, the first surface 11a and the second receiving portion non-recessed portion 21Fb are The bar portion 11 is fixed to the receiving portion 21 at the second position where the inclined surface 11c and the support portion 21P are in contact with each other. More clearly, the bar portion 11 is fixed to the receiving portion 21 at three positions. More stable fixing is possible.
  • the receiving portion 21 may further include an elastic member 28.
  • the elastic member 28 has a state in which the first rotating portion protrusion 21p pushes the rotating portion 21R in the direction toward the second surface recess 11d. As a result, the first rotating portion protrusion 21p is likely to enter the second surface recess 11d, and a locked state is likely to be formed.
  • the rotating portion 21R is rotated by manually operating the second rotating portion protrusion 21q or the third rotating portion protrusion 21r.
  • the rotating portion 21R is rotated by manually operating the second rotating portion protrusion 21q or the third rotating portion protrusion 21r.
  • at least a part of the first rotating portion protrusion 21p can be pulled out of the second surface recess 11d to release the lock.
  • 14 to 17 are schematic cross-sectional views illustrating the member fixing mechanism according to the first embodiment.
  • 14 to 17 are cross-sectional views corresponding to lines B1-B2 of FIG. 14 to 17 show an example of an operation of fixing the bar portion 11 to the receiving portion 21 when the receiving portion 21 is in the second state ST2 (for example, in the unlocked state or the unlocked state).
  • the rotating portion 21R of the receiving portion 21 is in the unlocked state.
  • the distance (length along the X-axis direction) between the first rotating portion protrusion 21p and the receiving portion surface 21F is the first rotating portion protrusion in the locked state (see FIG. 12 or 13). It is longer than the distance between 21p and the receiving surface 21F.
  • the state illustrated in FIG. 14 can be obtained, for example, by manually operating the third rotating portion protrusion 21r.
  • the rotating portion 21R receives the counterclockwise force in FIG. 14 due to the force generated by the elastic member 28.
  • the bar portion 11 moves downward (in the direction of gravity), and the first portion 11e (for example, the lower end) of the bar portion 11 moves. It enters between the receiving portion surface 21F and the rotating portion 21R.
  • the bar portion 11 further moves downward.
  • the first portion 11e of the bar portion 11 is below the support portion 21P.
  • the second rotating portion protrusion 21q of the rotating portion 21R comes into contact with the second surface convex portion 11p of the bar portion 11.
  • the second rotating portion protrusion 21q is pushed by the second surface convex portion 11p.
  • the second rotating portion protrusion 21q receives the clockwise force in FIG. 15, and the rotating portion 21R rotates clockwise.
  • the receiving portion 21 for example, the elastic member 28
  • the rotating portion 21R may be pushed by the bar portion 11 to shift from the second state ST2 to the first state ST1.
  • the bar portion 11 further moves downward.
  • the second rotating portion protrusion 21q is further pushed by the second surface convex portion 11p.
  • the second rotating portion protrusion 21q receives the clockwise force in FIG. 16, and the rotating portion 21R further rotates clockwise.
  • the bar portion 11 further moves downward.
  • the second rotating portion protrusion 21q exceeds the second surface convex portion 11p.
  • the rotating portion 21R shifts toward the locked state.
  • the state illustrated in FIG. 11 is obtained, and further, the state illustrated in FIG. 12 is obtained.
  • the first rotating portion protrusion 21p enters the second surface recess 11d of the bar portion 11 to form a locked state.
  • the second rotating portion protrusion 21q is pushed by the second surface convex portion 11p, so that the rotating portion 21R Can rotate and shift to the locked state.
  • the second rotating portion protrusion 21q is at a position opposite to that of the first rotating portion protrusion 21p when viewed from the support portion 21P.
  • the direction from the second rotating portion protrusion 21q to the support portion 21P has a component opposite to the direction from the first rotating portion protrusion 21p to the support portion 21P.
  • the rotating portion 21R When the bar portion 11 is attached to the receiving portion 21, the second surface convex portion 11p pushes the second rotating portion protrusion 21q, and the rotating portion 21R is oriented so that the first rotating portion protrusion 21p approaches the bar portion 11. Is rotated. With such a structure, even when the initial state is the unlocked state (unlocked state), the rotating portion 21R can rotate and shift to the locked state.
  • a clearance is provided between the plurality of member devices in consideration of manufacturing tolerances. Due to the clearance, a plurality of member devices may move with each other even when the member devices are fixed.
  • the rod member (for example, the bar portion 11) is provided with the inclined surface 11c, and the rod member is inserted into the receiving member until the inclined surface 11c comes into contact with the support portion 21P of the receiving member (for example, the receiving portion 21).
  • the surface of the rod member and the surface of the receiving member are in contact with each other.
  • the two members are in contact with each other at three positions (points). As a result, the clearance can be reduced or eliminated.
  • the first surface 11a of the bar portion 11 includes the first surface recess 11qa, the first non-concave 11qb, and the second non-concave 11qc, and the second surface 11b includes the inclined surface 11c. It becomes easy to touch at three positions (points).
  • FIG. 18 is a schematic cross-sectional view illustrating the member fixing mechanism according to the first embodiment.
  • the member fixing mechanism 131 according to the embodiment also includes the member device 11M and the receiving portion 21.
  • the member device 11M also includes the bar portion 11.
  • the first surface 11a of the bar portion 11 is not provided with a recess.
  • the receiving portion surface 21F may include a receiving portion surface recess 21Fh (or a hole), a first receiving portion non-recessed 21Fa, and a second receiving portion non-recessed 21Fb.
  • the receiving portion surface recess 21Fh is between the first receiving portion non-recessed portion 21Fa and the second receiving portion non-recessed portion 21Fb portion.
  • the first receiving portion non-recessed portion 21Fa and the second receiving portion non-recessed portion 21Fb come into contact with the first surface 11a.
  • the two members touch at three positions (dots or lines). As a result, the clearance can be reduced or eliminated. For example, when two members are in contact with each other on three lines, it becomes more stable.
  • the direction in which the rod member is received and inserted into the member is, for example, the direction of gravity.
  • the direction in which the rod member is inserted into the member may be horizontal.
  • the work for fixing the two member devices is as simple as inserting the rod member into the receiving member. Since the movement between the two member devices is substantially eliminated, safety or quality is improved.
  • an auto-lock retaining structure may be provided.
  • a manual lock may be provided. Thereby, for example, when transporting the fixed member device 150, the bed device 310, or the like, it is possible to prevent the rod member from coming off from the receiving member.
  • the surface of the receiving portion surface 21F is preferably a resin surface.
  • the first surface 11a of the bar portion 11 is preferably a resin surface.
  • the surface of the inclined surface 11c is preferably a plated surface.
  • the surface of the support portion 21P is preferably a plated surface. As a result, stable contact with high strength can be obtained on the inclined surface 11c and the support portion 21P that come into contact with each other in a small area.
  • the second embodiment relates to the fixed member device 150.
  • the fixed member device 150 includes, for example, the member fixing mechanism 130 according to the first embodiment and the structural component 15.
  • the second portion 11f of the bar portion 11 included in the member fixing mechanism 130 is connected to the structural component 15.
  • the structural component 15 is, for example, a headboard 15A or a footboard 15B.
  • the structural component 15 may include, for example, a side rail or the like.
  • the structural component 15 may be, for example, any component included in the bed device 310.
  • the structural part 15 may be a part included in any device other than the bed.
  • a component included in any device such as a partition, a medical stand, or furniture may be applied.
  • FIG. 19 is a schematic perspective view illustrating the bed device according to the third embodiment.
  • the bed device 310 includes a fixed member device 150 and a frame 70F according to the second embodiment.
  • the receiving portion 21 is fixed to the frame 70F.
  • a back bottom 70a, a waist bottom 70b, a knee bottom 70c, a foot bottom 70d, and the like may be provided on the frame 70F.
  • the member fixing mechanism 130 according to the first embodiment is abstracted by paying attention to the contact position between the bar portion 11 and the receiving portion 21, and then various variations different from the member fixing mechanism 130. Will be described.
  • FIG. 20 is a simplified view of the fixing member mechanism 130 according to the first embodiment.
  • the member fixing mechanism 130 includes a member device 11M and a receiving portion 21.
  • the bar portion 11 of the member device 11M is supported by the receiving portion 21 at three points. That is, the first non-recessed portion 11qb of the first surface 11a of the bar portion 11 and the receiving portion surface 21F of the receiving portion 21 are in contact with each other at the first position P1, and the second non-recessed portion 11qc of the first surface 11a of the bar portion 11 and the receiving portion.
  • the bar portion 11 is supported by the receiving portion 21 at the second position P2 where the receiving portion surface 21F of the 21 is in contact and the third position P3 where the inclined surface 11c of the bar portion 11 and the supporting portion 21p of the receiving portion 21 are in contact with each other.
  • the third position P3 is preferably located between the first position P1 and the second position P2.
  • the bar portion 11 of the member device 11M there is a portion such as the inclined surface 11c in which the thickness of the bar portion 11 becomes thinner toward the tip of the bar portion 11.
  • the thickness of the bar portion 11 in this case is the thickness in the longitudinal direction of the frame 70F of the bed device 310, that is, in the X direction.
  • the third position P3 is located on the inclined surface 11c.
  • the fixing member mechanism 130 When the fixing member mechanism 130 according to the first embodiment is abstracted by paying attention to the contact position between the bar portion 11 and the receiving portion 21, it can be expressed as follows.
  • the bar portion 11 and the receiving portion 21 come into contact with each other at three points, the first position P1, the second position P2, and the third position P3.
  • the first position P1 and the second position P2 are located on the same side as viewed from the bar portion 11.
  • the second position P2 is located closer to the tip of the bar portion 11 than the first position P1.
  • the third position P3 is located on the side opposite to the first position P1 and the second position P2 when viewed from the bar portion 11.
  • the bar portion 11 has a portion in which the thickness of the bar portion 11 becomes thinner toward the tip end.
  • the convex shape also includes a non-concave shape adjacent to the concave shape.
  • the convex shape for contact is the first non-concave 11qb.
  • the convex shape for contact is the second non-concave 11qc. That is, at the first position P1 and the second position P2, the convex shape is provided on the bar portion 11.
  • the convex shape for contact is the support portion 21p. That is, at the third position P3, the receiving portion 21 is provided with a convex shape.
  • the arrangement of the convex shape for contact is not limited to the example of the first embodiment.
  • a recess may be provided in the bar portion 11 or may be provided in the receiving portion 21. That is, all three convex shapes may be provided on the bar portion 11, two convex shapes may be provided on the bar portion 11, and one convex shape may be provided on the receiving portion 21. The shape may be provided on the bar portion 11 and two convex shapes may be provided on the receiving portion 21, or all three convex shapes may be provided on the receiving portion 21.
  • FIG. 21 is a diagram schematically showing a plurality of fixing member mechanisms having different convex arrangements.
  • the convex shape provided on the bar portion 11 is represented by a black semicircle
  • the convex shape provided on the receiving portion 21 is represented by a white semicircle.
  • the fixing member mechanism 501 is an example in which all three convex shapes are provided on the bar portion 11. That is, in the fixing member mechanism 501, the convex shape is provided on the bar 11 in all of the first position P1, the second position P2, and the third position P3.
  • the fixing member mechanisms 502, 503, and 504 are examples in which two convex shapes are provided on the bar portion 11 and one convex shape is provided on the receiving portion 21.
  • a convex shape is provided on the bar portion 11 at the first position P1 and the second position P2
  • a convex shape is provided on the receiving portion 21 at the third position P3.
  • the convex arrangement pattern of the fixing member mechanism 502 is the same as that of the fixing member mechanism 130 according to the first embodiment.
  • a convex shape is provided on the bar portion 11 at the first position P1 and the third position P3, and a convex shape is provided on the receiving portion 21 at the second position P2.
  • a convex shape is provided on the bar portion 11 at the second position P2 and the third position P3, and the convex shape is provided on the receiving portion 21 at the first position P1.
  • the fixing member mechanisms 505, 506, and 507 are examples in which one convex shape is provided on the bar portion 11 and two convex shapes are provided on the receiving portion 21.
  • a convex shape is provided on the bar portion 11 at the first position P1
  • a convex shape is provided on the receiving portion 21 at the second position P2 and the third position P3.
  • a convex shape is provided on the bar portion 11 at the second position P2
  • a convex shape is provided on the receiving portion 21 at the first position P1 and the third position P3.
  • a convex shape is provided on the bar portion 11 at the third position P3, and a convex shape is provided on the receiving portion 21 at the first position P1 and the second position P2.
  • the fixing member mechanism 508 is an example in which all three convex shapes are provided on the receiving portion 21. That is, in the fixing member mechanism 508, the convex shape is provided on the receiving portion 21 at all of the first position P1, the second position P2, and the third position P3.
  • At least one of the first position P1, the second position P2, and the third position P2 may have a convex portion on at least one of the receiving portion 21 and the bar portion 11.
  • the receiving portion 21 supports the bar portion 11 at three positions and can be stably fixed.
  • the embodiment it is possible to provide a member fixing mechanism, a fixed member device, and a bed device that can be fixed more stably.
  • the present invention has been described above with reference to specific examples. However, the present invention is not limited to these specific examples.
  • the specific configuration of each element such as the member device, the bar portion, the receiving portion, and the frame included in the member fixing mechanism, the fixed member device, and the bed device can be appropriately selected from a range known to those skilled in the art.
  • the present invention is included in the scope of the present invention as long as the present invention can be carried out in the same manner and the same effect can be obtained.
  • member fixing mechanism In addition, based on the above-mentioned member device, member fixing mechanism, fixed member device, and bed device as an embodiment of the present invention, all member devices, member fixing mechanisms, and covers that can be appropriately designed and implemented by those skilled in the art.
  • the fixing member device and the bed device also belong to the scope of the present invention as long as the gist of the present invention is included.
  • the present invention also includes the following configurations.
  • the bar portion includes a first surface and a second surface opposite to the first surface.
  • the first surface and the second surface are between the second part and the first part.
  • the first surface includes a first surface recess, a first non-concave and a second non-recess.
  • the positions of the first surface recess in the first direction from the second portion to the first portion are the position of the first non-recess in the first direction and the position of the second non-recess in the first direction.
  • the second surface includes an inclined surface.
  • the direction from the first surface recess to the inclined surface is along the second direction intersecting with the first direction.
  • the direction from the first non-recess to the inclined surface intersects with the second direction.
  • a member device in which the direction from the second non-recessed portion to the inclined surface intersects with the second direction.
  • a member device including a bar portion including a first portion and a second portion, and a member device.
  • a receiving part to which the bar part can be attached and detached, and a receiving part With The bar portion includes a first surface and a second surface opposite to the first surface.
  • the first surface and the second surface are between the second part and the first part.
  • the second surface includes an inclined surface.
  • the receiving part is The structure including the receiving surface and A support portion fixed to the structure and A rotating part that can rotate around the support part, Including
  • the first surface includes a first region and a second region.
  • the position of the inclined surface in the first direction from the second portion to the first portion is between the position of the first region in the first direction and the position of the second region in the first direction.
  • the inclined surface is in contact with the supporting portion, and the bar portion is attached to the receiving portion.
  • the first surface further includes a third region.
  • the position of the third region in the first direction is between the position of the first region in the first direction and the position of the second region in the first direction.
  • the first surface includes a first surface recess, a first non-concave, and a second non-recess, and the position of the first surface recess in the first direction is the position of the first non-concave in the first direction. It is between the position of the recess and the position of the second non-recess in the first direction.
  • the member fixing mechanism according to any one of configurations 5 to 7, wherein when the bar portion is attached to the receiving portion, the first non-recessed portion and the second non-recessed portion come into contact with the receiving portion surface.
  • the receiving portion surface includes a receiving portion surface concave portion, a first receiving portion non-recessed portion, and a second receiving portion non-recessed portion, and in the first direction, the receiving portion surface concave portion is the first receiving portion non-recessed portion. It is located between the recess and the non-recess of the second receiving portion. 5. The method according to any one of configurations 5 to 7, wherein the first receiving portion non-recessed portion and the second receiving portion non-recessed portion are in contact with the first surface when the bar portion is attached to the receiving portion. Member fixing mechanism.
  • the bar portion includes a second surface recess provided on the second surface.
  • the second surface recess is between the inclined surface and the first portion.
  • the rotating portion includes a first rotating portion protrusion.
  • the receiving portion further includes an elastic member, and the receiving portion further includes an elastic member.
  • the elastic member includes one end and the other end. The one end is fixed to the first fixing portion of the structure, The other end is fixed to the second fixing portion of the rotating portion. In the first state in which the second fixed portion is between the straight line connecting the center of the support portion and the first fixed portion and the receiving portion surface, the elastic member rotates in the first direction. Rotate the part, In a second state in which the straight line is between the second fixed portion and the receiving portion surface, the elastic member rotates the rotating portion in a second direction opposite to the first direction.
  • the member fixing mechanism according to any one of 5 to 10.
  • the bar portion includes a second surface convex portion provided on the second surface, and includes a second surface convex portion.
  • the second surface convex portion is located between the second portion and the inclined surface.
  • the rotating portion includes a second rotating portion protrusion. At least a part of the support portion is provided between the first rotating protrusion and the second rotating protrusion.
  • Bed device 501, 502, 503, 504, 505, 506, 507, 508 ... Member fixing mechanism, D1 ... 1st direction, FP1, FP2 ... 1st, 1st 2 fixed part, LL1 ... straight line, d11 ... distance, g1 ... gap, P1 ... 1st position, P2 ... 2nd position, P3 ... 3rd position

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
PCT/JP2020/034916 2019-09-19 2020-09-15 部材固定機構、被固定部材装置及びベッド装置 WO2021054324A1 (ja)

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JP2019170621 2019-09-19
JP2019-170621 2019-09-19

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2024046963A (ja) * 2022-09-26 2024-04-05 フランスベッド株式会社 ベッド装置

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JPS5085412U (enrdf_load_stackoverflow) * 1973-12-07 1975-07-21
US4340984A (en) * 1978-07-10 1982-07-27 Marcyan Stanley T Headboard coupling for knock-down bed

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JPH0515938U (ja) * 1991-08-12 1993-03-02 パラマウントベツド株式会社 折畳み式側柵の固定金具
JPH067701Y2 (ja) * 1992-03-30 1994-03-02 パラマウントベッド株式会社 ベッドにおけるボード取付け構造
JP2564767B2 (ja) * 1994-06-13 1996-12-18 パラマウントベッド株式会社 ベッドにおけるボード係止機構
JPH08135622A (ja) * 1994-11-09 1996-05-31 France Bed Co Ltd 連結金具
JP3042540U (ja) 1997-04-15 1997-10-21 株式会社丸八真綿 ベッド
JP3536744B2 (ja) 1999-10-12 2004-06-14 コクヨ株式会社 ベッド
JP4708618B2 (ja) 2001-07-31 2011-06-22 フランスベッド株式会社 被保持体の保持装置
DE102008059733B4 (de) 2008-12-01 2010-11-25 Barthelt, Hans-Peter, Dipl.-Ing. Krankenhausbett mit abnehmbarer Kopfendplatte
JP6659276B2 (ja) 2015-08-31 2020-03-04 パラマウントベッド株式会社 ボード及び寝台装置
JP6618859B2 (ja) 2016-06-24 2019-12-11 パラマウントベッド株式会社 寝台装置

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JPS5085412U (enrdf_load_stackoverflow) * 1973-12-07 1975-07-21
US4340984A (en) * 1978-07-10 1982-07-27 Marcyan Stanley T Headboard coupling for knock-down bed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024046963A (ja) * 2022-09-26 2024-04-05 フランスベッド株式会社 ベッド装置
JP7725438B2 (ja) 2022-09-26 2025-08-19 フランスベッド株式会社 ベッド装置

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