JP6309560B2 - Lifting shelf - Google Patents

Description

  The present invention relates to a lifting shelf.

  2. Description of the Related Art Conventionally, a shelf member for placing stored items and a casing for housing the shelf member are provided, and one end portion of the parallel link member is pivotally attached to the side wall portion of the casing, and the parallel link member is attached to the shelf member. There is one in which the other end is pivotally attached (for example, see Patent Document 1).

Japanese Patent Laid-Open No. 10-286131

  When the conventional lifting shelf is pulled out of the shelf member in the storage state, the shelf member is drawn out to the front (user side) while drawing an arc-shaped locus that bulges forward from the storage position, and the shelf lowering is completed. It becomes. Therefore, when the casing is fixed at a position above the cooking table or sink, there is a problem that it is difficult to use the cooking table or the sink because the shelf member becomes an obstacle when the shelf is lowered. Further, since the shelf member moves greatly in the front-rear direction while drawing an arc-shaped trajectory, there is a risk that the stored items may fall or fall due to the inertial force in the front-rear direction.

  Therefore, an object of the present invention is to provide an elevating shelf that can be switched between a shelf storage state and a shelf lowering completion state without greatly moving the shelf member in the front-rear direction while having a simple structure.

In order to achieve the above object, an elevating shelf according to the present invention includes an inclined rail provided in a downward and downward inclined manner on both the left and right sides of a lower opening-shaped casing, and an inclined reciprocating movement along the inclined rail. A slide member, a parallel link member that connects the slide member and the shelf member, and one of the first link member and the second link member that are pivotally attached to the left and right side walls and constitute the parallel link member A regulating interlocking arm member pivotally attached and swinging the parallel link member downward as the slide member moves obliquely rearward and downward, and tilting reciprocating movement of the slide member and up-and-down swinging of the parallel link member The shelf member is configured to move up and down by movement.
In addition, a bullet urging member is provided for urging and urging the restriction interlocking arm member in a direction in which the parallel link member is pushed upward while the parallel link member is swinging up and down.

  According to the present invention, the shelf member can be moved up and down with little movement in the front-rear direction. Therefore, even when the shelf lowering is completed, the sink and the cooking table can be used. When switching between the shelf storage state and the shelf lowering completion state, the shelf member does not move greatly in the front-rear direction, and the stored items are less likely to fall down and can be used safely. The structure can be simplified and the size can be reduced. The shelf member can be drawn downward longer than the length of the parallel link member, and it becomes easy to place and take out stored items at a low position, thereby improving usability.

It is a perspective view which shows one Embodiment of this invention. It is a principal part sectional side view of a shelf accommodation state. It is a principal part cross-section side view in the middle of a shelf raising / lowering state. It is a principal part cross-section side view in the middle of a shelf raising / lowering state. It is a principal part sectional side view of a shelf descent completion state.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
As shown in FIGS. 1 to 5, the lifting shelf according to the present invention includes a lower opening-shaped casing (fixed housing) 6 having a front wall portion 60 and left and right side wall portions 61, 61, and left and right sides of the casing 6. Inclined rails 5, 5 provided on both sides (left and right side wall portions 61, 61 side) in a downwardly inclined manner, and a pair of left and right slide members 3 that can be reciprocally moved along the inclined rails 5, 5. , 3 and a pair of left and right parallel link members 2, 2 for connecting the pair of slide members 3, 3 and the left and right sides (left and right side edge portions 11, 11) of the shelf member 1, respectively.

The casing (cabinet) 6 has a rectangular shape in plan view, and is fixed to a fixed portion such as a wall surface or a column above a sink or a cooking table (not shown).
The shelf member 1 has a rectangular shape in a plan view, and a bar-shaped handle portion 10 that connects the front protruding portions of the left and right side edge portions (left and right side wall portions) 11 and 11 in the left-right direction, and the stored item K are placed thereon. The mounting unit 16 has a horizontal plane, and a water receiving tray 17 disposed below the mounting unit 16. The mounting portion 16 is not limited to a flat plate shape as shown in the figure, and can be a fence shape (mesh shape), a perforated plate material such as a punching metal, or the like.

  The inclined rail 5 is fixed to the side wall 61 of the casing 6 with a predetermined inclination angle θ with respect to the horizontal plane Z (see FIG. 3). The predetermined inclination angle θ is set to 10 degrees or more and 45 degrees or less, preferably 15 degrees or more and 30 degrees or less. If it is less than the lower limit value, the vertical movement amount of the slide member 3 becomes small. When the upper limit value is exceeded, the amount of forward / backward movement of the slide member 3 decreases and the vertical dimension of the casing 6 increases.

The slide member 3 is inclined and reciprocally movable along the inclined rail 5 (movable in the backward and downward tilt direction and movable in the forward and upward tilt direction), and is attached to the travel member 31 in a suspended manner. And a member 32.
The slide member 3 is disposed at a predetermined obliquely upper front position along the inclined rail 5 in the casing 6 in a side view when the shelf member 1 shown in FIG. 2 is housed, and the shelf shown in FIG. In the descent completion state, it is disposed at a predetermined oblique rear lower position along the inclined rail 5.

The parallel link member 2 includes a first link member 21 and a second link member 22.
One end 21a of the first link member 21 and one end 22a of the second link member 22 are pivotally attached to the mounting member 32 of the slide member 3 with a horizontal horizontal pivot axis.
The other end portion 21b of the first link member 21 and the other end portion 22b of the second link member 22 are pivotally attached to the side edge portion 11 of the shelf member 1 with a left and right horizontal pivot axis.
One end 21a of the first link member 21 and one end 22a of the second link member 22 are referred to as one end 2a of the parallel link member 2, and the other end 21b of the first link member 21 and the second link member 22 are called. The other end portion 22b of the parallel link member 2 may be referred to as the other end portion 2b.

  And each pivot point of the parallel link member 2 is arrange | positioned in the vertex position of the parallelogram by side view. In the illustrated example, the pivot point (slide pivot point) P1 between the one end 21a of the first link member 21 and the slide member 3 is from the pivot point P2 of the one end 22a of the second link member 22 and the slide member 3. Are also arranged at the rear and upper positions.

In addition, an arm distal end portion 7b is pivotally attached to the link intermediate portion 21d of the first link member 21, and a regulation interlocking arm member 7 having an arm base end portion 7a pivotally attached to the side wall portion 61 side is provided.
The arm base end portion 7a is pivotally attached to the side wall portion 61 (via an attachment assisting member), and the pivot attachment point (arm swing center point) Pa is a position above the rear portion of the inclined rail 5 in side view. It is arranged.

  The pivot point (arm pivot point) Pb between the regulating swing arm member 7 and the first link member 21 is disposed near the slide pivot point P1, and in the shelf storage state of FIG. It is disposed at a position behind the point P1, and is disposed at substantially the same vertical position (or slightly lower position) than the slide pivot point P1. In the shelf descent completion state of FIG. 5, it is arranged below the slide pivot point P1 and at a rear position.

  Therefore, the arm tip 7b (arm tip pivot point Pb) of the regulation interlocking arm member 7 swings so as to draw an arcuate locus bulging forward and downward around the arm swing center point Pa in a side view. As the slide member 3 moves diagonally rearward and downward, the other end 21b of the first link member 21 is moved around the slide pivot point P1 (the other end 2b of the parallel link member 2 is pivoted at the pivot point P1, Swing downward (around P2).

  Further, in a state where the parallel link member 2 is swinging up and down (in the middle of raising and lowering the shelf), the regulation interlocking arm member 7 is elastically pushed in a direction in which the other end 2b of the parallel link member 2 is pushed upward (arrow D in FIG. 3) A bullet biasing member 80 for biasing and a transmission link mechanism portion 8 for transmitting the resilient force of the bullet biasing member 80 to the regulation interlocking arm member 7 are provided on the side wall 61 side of the casing 6. ing.

The bullet urging member 80 is a spiral spring, and is attached to the side wall 61 of the casing 6 (via an attachment assisting member).
The transmission link mechanism portion 8 is attached to the side wall portion 61 (via the attachment assisting member) and receives the elastic force from the bullet urging member 80 (directly) and the tip portion 81b swings up and down. A possible transmission member 81, and an L-shaped connection link member 82 that connects the distal end portion 81b of the transmission member 81 and the arm base end portion 7a are provided.

The connection pivot point Pe between the distal end portion 81b of the transmission member 81 and the one end portion 82e of the connecting link member 82 is disposed in front of and below the arm swing center point Pa in a side view.
Further, the connecting pivot point Pf between the arm base end portion 7a and the other end portion 82f of the connecting link member 82 is disposed at a position behind the arm swinging center point Pa. As shown in FIG. 3, in the state where the parallel link member 2 is swinging up and down, the transmission member 81 has a direction in which the tip 81b swings forward and downward by the elastic biasing member 80 (arrow F). Direction link), the connecting link member 82 swings downward (in the direction of arrow E) below the arm swing center point Pa at the arm base end 7a by the force received from the transmission member 81. The pulling and regulating interlocking arm member 7 swings in a seesaw shape with the arm swing center point Pa as a fulcrum, and generates a force (in the direction of arrow D) to swing upward on the arm tip 7b. The force for pushing up the other end 2b of the parallel link member 2 is applied.

Next, the usage method (action | operation) of the raising / lowering shelf of this invention is demonstrated.
As shown in FIG. 2, in the shelf storage state, the bullet urging force of the bullet urging member 80 (suspended by the regulation interlocking arm member 7) prevents the shelf member 1 from dropping due to its own weight or the load of the stored item K. Has been. Further, at least one of the rising of the shelf member 1, the upward swinging of the other end 2b of the parallel link member 2, the oblique upward traveling of the slide member 3, and the upward swinging of the arm tip 7a is not shown. Blocking in the department. Therefore, the shelf member 1 and the parallel link member 2 are held in a horizontal posture, and the slide member 3 is disposed at a predetermined obliquely upper front position.

When the user grips the handle portion 10 of the shelf member 1 and pulls it downward with a predetermined operation force larger than the bullet energizing force, the slide member 3 is positioned at an obliquely front upper position as shown in FIGS. And the other end 2b of the parallel link member 2 swings downward, and the shelf member 1 is smoothly lowered while maintaining the horizontal posture.
With the regulation interlocking arm member 7, the parallel link member 2 swings (interlocks) downward as the slide member 3 moves obliquely rearward and downward. That is, in the parallel link member 2, the other end portion 2 b swings downward while the one end portion 2 a moves backward and obliquely downward (behind obliquely downward), and the shelf member 1 is lowered.

  Then, as shown in FIG. 5, when the shelf member 1 is lowered to a predetermined lowering completion position, the connecting pivot point Pf is on a straight line J connecting the connecting pivot point Pe and the arm swing center point Pa in a side view. Or the connecting pivot point Pf is arranged at a position slightly above the straight line J so that the elastic force of the elastic urging member 80 is controlled by the regulation interlocking arm member 7. It is constituted so that it does not act on. Therefore, in a state where the shelf member 1 is disposed at the predetermined lowering completion position, the shelf member 1 is lowered, the parallel link member 2 is swung, the slide member 3 is obliquely moved downward, and the regulation interlocking arm member 7 is swung downward. By preventing at least one of the movements by a descent stopper (not shown), the shelf member 1 is held at the descent completion position (posture) by its own weight.

  In this way, the slide member 3 moves obliquely rearward and downward (traveling obliquely descending), so that the one end portion 2a of the parallel link member 2 moves backward (the amount of backward movement of the slide member 3 (in comparison with the position in the shelf storage state)). It is arranged rearward and downward with a forward / backward movement amount (L) and a downward movement amount (vertical movement amount) S.

That is, the shelf member 1 descends while the backward movement amount L by the slide member 3 is subtracted (offset) from the forward movement amount of the shelf member 1 due to the downward swing of the parallel link member 2, and the casing 6 Is disposed almost directly below.
Therefore, as shown by a two-dot chain line in FIG. 5, the case of the two-dot chain line showing a reference example in which the parallel link member 2 swings downward without providing the slide member 3 (without moving the slide member 3). In comparison, the shelf member 1 is disposed at the rear position by the rearward movement amount L.

  Moreover, the shelf member 1 is lowered while the downward movement amount (lowering amount) S by the slide member 3 is added (amplified) to the movement amount that the lower end 2b of the parallel link member 2 is lowered by the downward swing. Therefore, compared to the case of the reference example, the shelf member 1 is disposed at the lower position by the downward movement amount S.

  When the user grips the handle portion 10 and operates to raise the shelf member 1 from the shelf lowering completion state, the other end portion 2b of the parallel link member 2 starts ascending and swinging and the slide member 3 is moved. When the arm tip 7b slightly rises as the ascent starts, the connecting pivot point Pf is disposed at a position below the straight line J (dead point) as shown in FIG. The elastic force of the elastic urging member 80 acts on the regulation interlocking arm member 7 to move the arm tip 7b upward. Therefore, the load on the storage items K and the shelf member 1 received by the user is reduced, and the shelf member 1 can be easily raised. In other words, the bullet urging member 80, the transmission link mechanism unit 8, and the regulation interlocking arm member 7 constitute an ascending load reducing means (an ascending assist means) for reducing an operation force for raising the shelf member 1. . Further, the regulation link arm member 7 swings (links) the parallel link member 2 upward as the slide member 3 moves diagonally forward and upward, and the shelf member 1 rises smoothly.

Further, a rod-shaped arm connecting member 79 that connects the left and right arm base end portions 7a and the left and right other arm base end portions 7a in the left-right direction is provided.
The arm connecting member 79 synchronizes the operations of the pair of left and right regulating interlocking arm members 7 and 7 so that they can swing without difference between the left and right.
Further, a rod-like slide connecting member 39 that connects the left and right slide members 3 and the left and right slide members 3 in the left-right direction is provided. The pair of left and right slide members 3 and 3 travels synchronously (moves at the same speed) by the slide connecting member 39, and the travel amount does not differ between the left and right, enabling smooth reciprocation.

  The design of the present invention can be changed, and the sliding structure of the inclined rail 5 and the traveling member 31 can be a structure in which a plurality of spheres are interposed between the inclined rail 5 and the traveling member 31, or a traveling member. A structure in which the wheel provided on 31 rolls along the inclined rail 5, a linear guide structure, and the like are free. The casing 6 may be provided with a top plate or a rear wall portion may be omitted. The bullet urging member 80 may be a coil spring. The arm tip 7b may be pivotally attached to the second link member 22. The casing 6 may have a frame shape.

Further, in the present invention, the provision on the left and right sides of the casing 6 (pivoting, attachment, and fixing) is only required to be provided on the left and right sides of the casing 6, and the side wall 61 is directly or indirectly attached. It includes the case where it is attached indirectly via a member (casing fixing part), and the case where it is attached directly or indirectly to the left and right side edges of the front wall part 60 and the rear wall part 62. That is, the inclined rail 5, the bullet urging member 80, the regulation interlocking arm member 7, and the transmission link mechanism portion 8 are not limited to the case where the inclined rail 5 is attached directly or indirectly to the side wall portion 61. When the front end portion is fixed to the front wall portion 60 and the rear end portion is fixed to the rear wall portion 62 and is provided in the vicinity (side) of the side wall portion 61, or the left and right side edges of the rear wall portion 62 or the front wall portion 60 Attaching the elastic urging member 80, the regulation interlocking arm member 7, the transmission link mechanism 8 and the like to the attachment auxiliary member (casing fixing part) projecting inward from the casing, ) Is included.
In the present invention, the “parallel link” of the parallel link member 2 includes the case of a deformed parallel link in which each pivot point is arranged at the apex position of a non-parallelogram rectangle in a side view.

  As described above, the elevating shelf of the present invention is tiltable and reciprocally movable along the inclined rails 5 and 5 provided on the left and right sides of the lower opening-shaped casing 6 so as to be inclined rearward and downward along the inclined rail 5. Slide member 3, parallel link member 2 that connects slide member 3 and shelf member 1, first link member 21 that is pivotally attached to the left and right side wall portions 61 and 61, and constitutes parallel link member 2, and A regulation interlocking arm member 7 pivotally attached to one of the second link members 22 and swinging the parallel link member 2 downward as the slide member 3 moves obliquely rearward and downward. Since the shelf member 1 is moved up and down by the movement and the vertical swing of the parallel link member 2, the shelf member 1 can be moved up and down without largely moving in the front-rear direction. Therefore, even when the shelf lowering is completed, the sink and the cooking table can be used. When switching between the shelf storage state and the shelf lowering completion state, the shelf member 1 does not move greatly in the front-rear direction, and the stored items K are less likely to fall down and can be used safely. The structure can be simplified and the size can be reduced. The shelf member 1 can be pulled out downward longer than the length of the parallel link member 2, and it becomes easy to place and take out stored items, thereby improving usability. The vertical dimension of the casing 6 can be reduced while the shelf member 1 can be lowered substantially directly below and can be raised substantially above.

  In addition, since the parallel link member 2 is provided with a bullet energizing member 80 for elastically energizing the regulation interlocking arm member 7 in a direction in which the parallel link member 2 is pushed upward while the parallel link member 2 is swinging up and down. The load on the shelf member 1 is reduced, and the shelf member 1 can be easily raised. A sudden drop of the shelf member 1 can be prevented and the shelf member 1 can be lowered safely.

DESCRIPTION OF SYMBOLS 1 Shelf member 2 Parallel link member 3 Slide member 5 Inclined rail 6 Casing 7 Control interlocking arm member
21 First link member
22 Second link member
80 bullet energizing members

Claims (2)

Inclined rails (5) and (5) provided on the left and right sides of the lower opening-shaped casing (6) so as to be inclined rearward and downward, and a slide member that is reciprocally movable along the inclined rail (5). 3), a parallel link member (2) for connecting the slide member (3) and the shelf member (1), and the parallel link member pivotally attached to the left and right side wall portions (61) (61). The parallel link member (2) is pivotally attached to one of the first link member (21) and the second link member (22) constituting the (2) and the slide member (3) is moved obliquely rearward and downward. A regulation interlocking arm member (7) that swings downward.
An elevating shelf characterized in that the shelf member (1) is moved up and down by an inclined reciprocating movement of the slide member (3) and a vertical swing of the parallel link member (2).   An elastic biasing member (80 for elastically biasing the restriction interlocking arm member (7) in a direction in which the parallel link member (2) is pushed upward while the parallel link member (2) is swinging up and down. The lifting shelf according to claim 1, further comprising:

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