JP2017192604A - Movable table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a movable table facilitating a table moving operation by easily recognizing a table-movement brake lock state or brake release state.SOLUTION: A movable table 1 includes: a table plate 10; a support part 20; a leg part 30; casters 43 for movement; a brake mechanism 40 for braking the movement by casters 43; and a brake operation mechanism 50. The movable table includes an operation lever 611 as the brake operation mechanism 50, and includes a support part 611b and an operation part 611a as a configuration of the operation lever 611, where the support part 611b is provided on the lower side of the table plate 10, and the operation part 611a is continuously configured into a substantially circular arc shape or rectangular shape that is outward curved along an end edge of the table plate 10. A part of the operation part 611a is disposed at a position projecting upward the table plate 10 in a state of performing a brake release operation of the brake mechanism 40.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a mobile table, and more particularly, to a mobile table provided with an operation mechanism for operating a brake mechanism or the like used for a bedside table or an overbed table.

  Conventionally, a bedside table that is moved from the bedside in the width direction of the bed and placed at a predetermined position, or an overbed table that is moved from the bed foot side in the longitudinal direction of the bed and placed at a predetermined position. Such a movable table is known to include a lock mechanism that prevents a caster from moving when a user uses the table, a brake mechanism that applies braking so that the table does not move, and the like.

  As a conventional technique, for example, in a bedside table in which a caster with a wheel lock mechanism is provided and the table moves up and down, an operation lever is provided on the table, and by operating the operation lever, the wheel lock mechanism of all casters A device that performs locking and unlocking is disclosed (see Patent Document 1).

  In the technique of Patent Document 1, an operation transmission wire including an inner wire and a covering portion (outer wire) is used to operate a wheel lock mechanism. Then, by operating the operation lever, the inner wire is operated to lock and unlock the wheel lock mechanism.

JP 2013-121425 A

  However, in the technique of Patent Document 1, since the caster operation lever is arranged on the side or bottom of the table, the operation state of the operation lever is a state where the caster is locked or unlocked from a position away from the table. It was difficult to identify.

  In the technique of Patent Document 1, a pair of caster operation levers are arranged on the left and right sides of the table column part, or one of the caster operation levers is arranged on the table support part side of the table, and the other is the table table. However, when the caster operation lever is operated, it is necessary to check the position of the caster operation lever.

  The present invention has been made in view of the above-described conventional problems, and provides a movable table that can easily recognize a brake lock state or a brake released state of table movement and can easily perform a table movement operation. The purpose is to do.

  A mobile table according to the present invention for solving the above-described problems is as follows.

  The present invention relates to a mobile table including a table plate, a brake mechanism that brakes movement of the table plate, and a brake operation mechanism that operates the brake mechanism. The configuration of the brake operation mechanism includes: An operation member (operation lever) that performs a brake release operation is provided, and the operation member includes an operation unit for performing an operation and an operation shaft that rotatably supports the operation unit, and the operation shaft Is supported rotatably at the lower side of the table plate, and the operation portion is supported at both ends of the operation shaft.

  In the present invention, as the configuration of the operation unit, it is preferable that the operation unit is continuously provided adjacently along the outer periphery of the table plate from one end side to the other end side of the operation shaft.

  In the present invention, it is preferable that an operation wire for transmitting a brake release operation to the brake mechanism is provided as the brake operation mechanism, and the operation wire is connected to the operation shaft.

  Further, according to the present invention, the operation unit is disposed below the table plate when the brake mechanism is in a brake state, and is disposed above the table plate when the brake mechanism is in a brake release state. It is preferable.

  In the present invention, it is preferable that a part of the operation portion is arranged to protrude outward in the horizontal direction from the table plate.

  In the present invention, it is preferable that the operation portion has a substantially arc shape or a rectangular shape curved along an outer peripheral edge of the table plate.

  Further, the present invention includes an accommodating portion (table base portion) in which the brake operation mechanism is accommodated below the table plate, and the support portion is rotated to both sides of the accommodating portion as a configuration of the operation member. It is preferable that the operation portion is supported so as to surround the housing portion.

  In addition, the present invention includes a column part that supports the table plate, and a leg part that supports the column part, and the leg unit includes the brake mechanism, and the leg unit serves as the brake mechanism. It is preferable to use a brake member that brakes the movement of the motor.

  In addition, the present invention includes a column portion that supports the table plate, and a leg portion that supports the column portion, and the leg portion includes a caster for movement and the brake mechanism, and the brake mechanism It is preferable to use a caster lock mechanism that brakes the casters.

  Moreover, it is preferable that this invention is provided with the holding member which hold | maintains the operation state of the said operation member as a structure of the said brake operation mechanism.

  According to the mobile table of the present invention, in the mobile table comprising a table plate, a brake mechanism that brakes the movement of the table plate, and a brake operation mechanism that operates the brake mechanism, the configuration of the brake operation mechanism An operation member that performs a brake release operation of the brake mechanism, and the operation member includes a support portion that serves as a fulcrum of operation and an operation portion that performs the operation. When the table moving operation is performed, the operation unit is continuously formed in a substantially arc shape or a rectangular shape that curves outward along the edge of the table plate. Since the operation part is arranged along the position, the table movement operation can be easily performed, and the brake release operation of the brake mechanism is performed on a part of the operation part. In state, by arranging the position projecting upward from the table plate, it is possible to easily recognize the brake lock state or brake release state of the table movement.

It is explanatory drawing which shows the whole structure of the mobile table which concerns on embodiment of this invention. It is explanatory drawing by the front view which shows the whole structure of the said movable table. (A) Explanatory drawing which shows the structure of the operation wire connection part which comprises the brake operation mechanism of the said movable table, (b) Explanatory drawing which shows the connection state of the said operation wire connection part, (c) In the said operation wire connection part It is explanatory drawing which shows the state which set the cover. It is explanatory drawing which shows the structure of the operation wire which comprises the said brake operation mechanism. It is explanatory drawing by the side view which shows the whole structure of the said mobile table. It is explanatory drawing by the side view which shows the state which raised the said movable table. It is explanatory drawing seen from the bottom side which shows the structure of the leg part of the said movement table. It is explanatory drawing which shows the structure of the brake mechanism of the leg part by the side of the support | pillar of the said movement table. It is explanatory drawing which shows the structure of the brake mechanism of the other leg part of the said movement table. It is explanatory drawing which shows the normal state of the said brake mechanism. It is explanatory drawing which shows the state at the time of the brake release of the said brake mechanism. It is a side view which shows the structure of the operation mechanism which comprises the said movable table. It is a side view which shows the state which brake-release-operated by the operation lever which comprises the said operation mechanism. It is explanatory drawing by the perspective view which shows the structure of the said brake operation mechanism. It is explanatory drawing by the planar view which shows the structure of the said operation mechanism. It is explanatory drawing by the side view which shows the structure of the operation member and action member which comprise the said brake operation mechanism. It is explanatory drawing by the perspective view which shows the structure of the said operation member and the said operation member. It is explanatory drawing which shows the state by which the 1st operation wire was arrange | positioned outside from the support | pillar attachment part of the support | pillar part of the said mobile table. It is a side view which shows the state which brake-release-operated by the operation lever of the said mobile table. It is explanatory drawing by planar view which shows the structure of the operation lever of the movable table which concerns on 2nd Embodiment of this invention. It is explanatory drawing by the front view which shows the state of the said operation lever when brake release operation is carried out with the said operation lever. It is the perspective view which looked at the operation lever of the movable table which concerns on 3rd Embodiment of this invention from diagonally downward.

(First embodiment)
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for implementing a mobile table of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an example of an embodiment for carrying out the present invention, and is an explanatory view showing the overall configuration of the mobile table according to the first embodiment of the present invention. FIG. 2 is a front view showing the overall configuration of the mobile table. FIG. 3A is an explanatory view showing the structure of the operation wire connecting portion that constitutes the brake operating mechanism of the movable table, and FIG. 3B is an explanatory view showing the connected state of the operation wire connecting portion. (C) is explanatory drawing which shows the state which set the cover to the said operation wire connection part, FIG. 4 is explanatory drawing which shows the structure of the operation wire which comprises the said brake operation mechanism, FIG. 5 is the whole said movable table FIG. 6 is a side view showing the configuration of the movable table, FIG. 7 is a side view showing the configuration of the movable table, and FIG. 8 is the column side of the moving table FIG. 9 is an explanatory diagram showing the configuration of the brake mechanism of the other leg of the moving table, FIG. 10 is an explanatory diagram showing the normal state of the brake mechanism, and FIG. It is explanatory drawing which shows the state at the time of the brake release of the said brake mechanism.

  The mobile table 1 according to the first embodiment is a bedside table, and as shown in FIGS. 1 and 2, a table plate 10, a support column 20 that supports the table plate 10, and a support column 20. In the mobile table, the leg 30 includes a caster 43 for movement, the brake mechanism 40 that brakes the table by the caster 43, and the brake operation mechanism 50 that operates the brake mechanism 40. The characteristic mobile table structure according to the present invention is provided.

  First, the overall configuration of the mobile table 1 of the first embodiment will be described with reference to the drawings.

  As shown in FIG. 1, the mobile table 1 according to the first embodiment includes a table plate 10, a support column portion 20, a leg portion 30, a brake mechanism 40 that brakes the table plate 10, and a movement. It is a movable table provided with the caster 43 for the purpose, and the brake operation mechanism 50 which performs the brake release of the brake mechanism 40.

  The configuration of the brake operation mechanism 50 includes an operation mechanism 60 that performs a brake release operation of the brake mechanism, and a transmission mechanism 70 that transmits the operation of the operation mechanism 60 to the brake mechanism 40.

  As shown in FIGS. 1 and 2, the table plate 10 is formed in an elongated rectangular shape so that it can be placed across the bed apparatus over the width direction of the bed apparatus (not shown).

  As shown in FIG. 2, a table base portion (accommodating portion) 11 that supports the table plate 10 is configured below the table plate 10. The table base 11 is formed on the lower side of the table plate 10 from the end portion in the longitudinal direction to the substantially central portion.

  A support column 20 is disposed at the longitudinal end of the table base 11, and the support 20 supports the table base 11 and the table plate 10 only on one side. A leg 30 is provided at the base of the support 20.

  The table base 11 is formed in a box shape having an upper opening so as to form a space between the table plate 10 and the table base 11.

  An operation lever (operation member) 611 constituting the operation mechanism 60 of the brake operation mechanism 50 is provided at the end of the table base 11 on the support column 20 side. By operating this operation lever 611, the brake mechanism 40 provided on the leg 30 is released.

  In the space of the table base 11, a part of the first operation wire 71 that can be bent and stretched and that constitutes the transmission mechanism 70 of the brake operation mechanism 50 is laid.

  In the first embodiment, the transmission mechanism 70 includes the first operation wire 71 that interlocks with the operation of the operation lever 611, as shown in FIG. 2, for releasing the brake of the brake mechanism 40 disposed at four locations on the leg 30. As shown in FIG. 4, the leg portion 30 is configured to be performed via a second operation wire 72, a third operation wire 73, and a fourth operation wire 74 that transmit the operation to the brake mechanism 40.

  The brake mechanism 40 includes four brake mechanisms 40 a, 40 b, 40 c, and 40 d provided on the first leg frames 301 a, 301 b, 301 c, and 301 d constituting the leg portion 30, respectively.

  In the first embodiment, as shown in FIGS. 3A, 3 </ b> B, and 3 </ b> C, the transmission mechanism 70 is an operation wire connection that detachably connects the first operation wire 71 and the second operation wire 72. A portion (connecting member) 75 is provided.

  As shown in FIG. 3A, the operation wire connecting portion 75 is attached to one end of one of the two wires to be connected and one end of the other wire. The second connecting portion 75b is configured to fit the first connecting portion 75a and the second connecting portion 75b so as to be connectable / separable.

  Further, as shown in FIGS. 3B and 3C, the operation wire connecting portion 75 has the first connecting portion 75 a and the second connecting portion 75 a in a state where the first connecting portion 75 a and the second connecting portion 75 b are fitted. The casing 75c is accommodated so that the connecting portion 75b is not easily separated.

  In the first embodiment, the first connection portion 75 a is attached to one end portion of the second operation wire 72, and the second connection portion 75 b is attached to one end portion of the first operation wire 71.

  As shown in FIG. 4, the other end of the second operation wire 72 is connected to the third operation wire 73 and the fourth operation wire 74 via the wire operation transmission unit 720 so as to transmit the operation of the wire operation. Has been.

  The other end of the third operation wire 73 is connected to the brake operation wires 73a and 73b for operating the brake mechanisms 40a and 40b via the wire operation transmission unit 730.

  The brake operation wire 73a is connected to the brake mechanism 40a, and the brake operation wire 73b is connected to the brake mechanism 40b.

  The other end of the fourth operation wire 74 is connected to brake operation wires 74 a and 74 b that operate the brake mechanisms 40 c and 40 d via the wire operation transmission unit 740.

  The brake operation wire 74a is connected to the brake mechanism 40c, and the brake operation wire 74b is connected to the brake mechanism 40d.

The support | pillar part 20 is comprised so that expansion-contraction is possible, as shown in FIG. 5, FIG.
The strut portion 20 includes a first strut member 201 and a second strut member 202, and extends and contracts by moving the second strut member 202 along the first strut member 201 together with the table plate 10 in the vertical direction in the figure. It is configured.

  The first strut member 201 is provided on the leg portion 30 side, and the second strut member 202 is provided on the table base portion 11 side, and the user pushes the table plate 10 up or down by a driving mechanism (not shown). The height of the table plate 10 can be adjusted. The table base 11 is provided with an operation lever 80 for vertically moving the table plate 10 by extending and contracting the support column 20 by the drive mechanism.

A part of the first operation wire 71 is disposed inside the support column 20.
An extension guide structure 21 that guides the first operation wire 71 disposed in the support column 20 is configured inside the support column 20 in response to the operation of the extension of the support column 20.

  The telescopic guide structure 21 includes a first guide member 211 and a second guide member 212, and moves the second guide member 212 in the vertical direction in the drawing along the first guide member 211 within a range in which the support column 20 extends and contracts. It is configured to expand and contract.

  The 1st guide member 211 is provided in the 1st support | pillar member 201 side, the 2nd guide member 212 is provided in the 2nd support | pillar member 202 side, and is arrange | positioned in the support | pillar part 20 because the support | pillar part 20 expands and contracts. Even if the length of the 1st operation wire 71 changes, it is comprised so that it may not bend.

  As shown in FIGS. 1 and 2, the leg 30 includes first leg frames 301a, 301b, 301c, and 301d each having a caster 43 and brake mechanisms 40a, 40b, 40c, and 40d, and a first leg frame 301a. , 301b, 301c, 301d, a second leg frame 302 is provided.

  As shown in FIGS. 1 and 7, the second leg frame 302 is provided long along the longitudinal direction of the movable table 1.

  The first leg frames 301a and 301b are disposed on the support column 20 side of the movable table 1 of the second leg frame 302, and the first leg frames 301c and 301d are disposed on the opposite side.

  The first leg frames 301 a and 301 b are arranged so that one end portions where the casters 43 are arranged are arranged outward in the width direction of the table plate 10, and the other end portions thereof are arranged on one end portions of the second leg frame 302. It is connected and configured in a substantially Y shape.

  Similarly, in each of the first leg frames 301 c and 301 d, one end portion where the caster 43 is disposed is disposed outward in the width direction of the table plate 10, and the other end portion is disposed on the other side of the second leg frame 302. It is connected to the end and is configured in a substantially Y shape.

  The casters 43 are attached to the end portions of the first leg frames 301a, 301b, 301c, 301d via attachment brackets 431, respectively.

  In the first embodiment, the first leg frames 301a, 301b, 301c, and 301d are provided with brake mechanisms 40a, 40b, 40c, and 40d, respectively.

Here, the structure of the brake mechanism 40 of 1st Embodiment is demonstrated with reference to drawings.
In the first embodiment, the brake mechanism 40 includes brake mechanisms 40a, 40b, 40c, and 40d provided on the first leg frames 301a, 301b, 301c, and 301d, as shown in FIG.

  The brake mechanisms 40a, 40b, 40c, and 40d are disposed on the inner side in the width direction of the table plate 10 from the casters 43 disposed at the end portions in the first leg frames 301a, 301b, 301c, and 301d, respectively.

Here, the brake mechanism 40 of 1st Embodiment is demonstrated with reference to drawings.
As shown in FIGS. 8 and 9, the brake mechanisms 40a, 40b, 40c, and 40d have substantially the same arrangement of components, so the brake mechanisms 40a and 40b will be described as an example.

  As shown in FIG. 8, the first brake mechanism 40a includes a brake pad 401, a brake pad holding portion 402 that holds the brake pad 401, a support shaft 403 that rotatably supports the brake pad holding portion 402, and a twist. A coil spring (not shown).

  The support shaft 403 is provided along the width direction of the first leg frames 301a and 301b. That is, the brake pad holding portion 402 is pivotally supported by the support shaft 403 so as to be rotatable along the longitudinal direction of the first leg frames 301a and 301b.

  Since the first leg frames 301 a and 301 b are configured in a substantially Y shape with respect to the longitudinal direction of the table plate 10, the brake pad 401 rotates in an oblique direction with respect to the longitudinal direction of the table plate 10. Acts to apply braking.

  The torsion coil spring functions as a biasing member that constantly biases the brake pad holding portion 402 in the direction in which the brake pad 401 comes into contact with the floor portion.

  With this configuration, the brake pad 401 of each of the brake mechanisms 40a and 40b brakes in an oblique direction with respect to the movement of the mobile table 1 in the lateral direction of the table.

  Next, drive transmission by the brake operation wires 73a, 73b, 74a, and 74b for operating the brake mechanisms 40a, 40b, 40c, and 40d will be described.

  As shown in FIG. 4, the brake operation wires 73a, 73b, 74a, and 74b are connected to wire operation transmission units 730 and 740.

  The wire operation transmission unit 730 has one end connected to one end of the third operation wire 73 and the other end connected to brake operation wires 73a and 73b.

  The wire operation transmission unit 740 has one end connected to one end of the fourth operation wire 74 and the other end connected to brake operation wires 74a and 74b.

  And the 3rd operation wire 73 and the 4th operation wire 74 are connected with the wire operation transmission part 720 by which the 2nd operation wire 72 is connected with the other end side. The second operation wire 72 is connected to the first operation wire 71 via the operation wire connecting portion 75.

  The wire operation transmission unit 720 has one end connected to one end of the second operation wire 72 and the third operation wire 73, and the other end connected to one end of the fourth operation wire 74.

  With this configuration, the brake operation wires 73a, 73b, 74a, and 74b connected via the operation wire and the wire operation transmission unit are operated by operating the operation lever 611 to operate the first operation wire. Can be operated collectively.

  As shown in FIG. 8, the brake operation wire 73a is connected to the brake pad holding portion 402 of the brake mechanism 40a, and the brake operation wire 73b is connected to the brake pad holding portion 402 of the brake mechanism 40b.

  As shown in FIG. 9, the brake operation wire 74a is connected to the brake pad holding portion 402 of the brake mechanism 40c, and the brake operation wire 74b is connected to the brake pad holding portion 402 of the brake mechanism 40d.

Next, the operation of the brake mechanism 40 will be described using the brake mechanism 40a as an example.
In a normal state in which the brake release operation is not performed, as shown in FIG. 10, the brake pad 401 is biased so as to protrude toward the floor surface by a torsion coil spring (not shown), and the brake pad 401 is placed between the brake pad 401 and the floor surface. The brake is configured by the generated frictional force.
When the brake is released, as shown in FIG. 11, the brake pad 401 is pulled into the first leg frame 301a by the operation of the brake operation wire 73a, and the brake pad 401 and the floor surface are separated from each other. Has been. The same applies to the brake mechanisms 40b, 40c, and 40d.

Next, a characteristic configuration of the brake operation mechanism 50 that operates the brake mechanism 40 according to the first embodiment will be described with reference to the drawings.
FIG. 12 is a side view showing the configuration of the operation mechanism constituting the mobile table of the first embodiment, FIG. 13 is a side view showing a state where the brake is released by the operation lever constituting the operation mechanism, and FIG. FIG. 15 is a plan view illustrating the configuration of the operation mechanism, and FIG. 16 is a side view illustrating the configuration of the operation member and the operation member configuring the brake operation mechanism. FIG. 17 is a perspective view illustrating the configuration of the operation member and the operation member, and FIG. 18 is a state in which the first operation wire is arranged outside from the column mounting portion of the column portion of the movable table. FIG. 19 is a side view showing a state where the brake is released by the operation lever of the movable table.

  As shown in FIGS. 1 and 2, the brake operation mechanism 50 includes an operation mechanism 60 including an operation lever 611, a first operation wire 71, a second operation wire 72, a third operation wire 73, and a fourth operation wire 74. And a transmission mechanism 70 including

  As shown in FIGS. 14 and 15, the operation mechanism 60 includes an operation member 61 that performs an operation and an operation member 62 that operates in conjunction with the operation member 61.

  The operation member 61 includes an operation lever 611, an operation shaft (rotation shaft) 612 to which the operation lever 611 is connected, and a rotation unit 613 that operates the operation member 62. It is arranged near the end of the table base 11.

The operation lever 611 includes a support portion 611b serving as a fulcrum of operation, and a first operation portion 611a1 and a second operation portion 611a2 as operation portions 611a for performing operations.
The support portion 611 b is provided below the table plate 10.
The first operation unit 611a1 is configured in a substantially arc shape or a rectangular shape that is curved outward along the edge below the table plate 10.

  Specifically, as shown in FIG. 15, the operation lever 611 has a substantially L-shape projecting outward while being widened in the width direction below the table plate 10 with one end portion serving as a first operation portion 611 a 1. Further, it is formed in a substantially arc shape (or rectangular shape) that curves outward along the edge of the table plate 10. Then, the other end portion is provided integrally with the operation shaft 612 with the support portion 611b, and the operation shaft 612 is rotated.

In the first embodiment, the operation lever 611 is provided symmetrically at both ends of the operation shaft 612. And the 1st operation part 611a1 provided in both the operation levers 611 is connected by the 2nd operation part 611a2 in the front-end | tip part, and the operation part 611a is comprised continuously.
That is, in the first embodiment, the two operation levers 611 and 611 are configured such that the first operation units 611a1 are connected to each other by the second operation unit 611a2, and are configured to operate integrally. Has been.

  As shown in FIGS. 12, 13, and 15, the second operation unit 611 a 2 is configured by a shaft member formed in a substantially arc shape that curves outward and curves upward. As shown in FIG. 13, a part of the second operation portion 611 a 2 is configured to protrude above the table plate 10 in a state where the brake release operation of the brake mechanism 40 is performed by the operation lever 611. Yes.

  As shown in FIGS. 12 and 13, the operation shaft 612 is provided over the width direction of the table base 11 with the axis direction being substantially horizontal, and is attached to the table base 11 by a bracket 112 so as to be rotatable. At both ends of the operation shaft 612, there are mounting portions 614 provided so as to protrude from the side portions of the operation shaft 612, and an operation lever 611 is integrally provided via the mounting portions 614.

  As shown in FIG. 17, the operation shaft 612 is integrally provided with a rotating portion 613 that acts on the operating member 62 at a substantially central portion in the axial direction. The rotating unit 613 rotates together with the operation shaft 612.

  As shown in FIG. 16, the operation member 62 includes an operation lever (operation unit) 621 that rotates in a substantially horizontal direction along the bottom surface of the table base 11 in conjunction with the operation of the rotation unit 613, and the operation lever 621. A fulcrum part 622 serving as the center of the pivoting operation and a wire member connecting part (acting part) 623 that acts on the first operation wire 71 by the pivoting action of the actuating lever 621 are provided. .

  A wire holding member 713 that holds one end of the first operation wire 71 is rotatably provided on the wire member connecting portion 623. Thereby, the first operating wire 71 can be operated by the operation lever 621 rotating in the horizontal direction with the fulcrum portion 622 having the rotation axis direction as the vertical direction.

  In the first embodiment, as shown in FIGS. 14 and 15, a lock lever 63 that restricts the operation of the operation lever 611 is provided.

  The lock lever 63 is disposed so as to protrude to the outside of the table base 11 with one end portion serving as an operation portion 63a. As shown in FIG. 13, the other end portion is provided as a lock portion 63b, and is provided so as to protrude downward of the operation lever 611 when the operation portion 63a is locked (operation in the left direction in the figure). ing.

  The lock lever 63 is normally urged by a coil spring 631 so that the lock portion 63 b is not disposed below the operation lever 611.

Next, the configuration of the transmission mechanism 70 will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the transmission mechanism 70 includes a first operation wire 71, a second operation wire 72, a third operation wire 73, and a fourth operation wire 74.

  As shown in FIG. 16, the first operation wire 71 includes an outer wire 711 and an inner wire 712 that operates. One end is connected to the wire holding member 713.

As shown in FIGS. 15, 16, and 17, the operation shaft 612 is rotated by operating the operation lever 611, and the rotation unit 613 is integrally rotated by rotating the operation shaft 612.
The actuating lever 621 operates in conjunction with the movement of the rotating portion 613, and thereby the wire member connecting portion 623 moves. A wire holding member 713 is connected to the wire member connecting portion 623, and the first operation wire 71 is pulled when the wire member connecting portion 623 moves.

  As shown in FIG. 18, the first operation wire 71 passes through the inside of the column part 20 and penetrates the outside of the column part 20 from an opening 205 provided in the column attachment part 203. Reference numeral 207 denotes a guide portion that guides the installation and movement of the first operation wire 71.

The other end portion of the first operation wire 71 exposed from the opening 205 of the column attachment portion 203 is connected to the inner wire end portion of the second operation wire 72 whose outer wire end portion is fixed in the second leg frame 302. .
As shown in FIGS. 3A, 3 </ b> B, and 3 </ b> C, a second connection portion 75 b that constitutes the operation wire connection portion 75 is provided at the end portion of the inner wire of the first operation wire 71. The second connecting portion 75 b is connected to the first connecting portion 75 a that constitutes the operation wire connecting portion 75 provided on the second operation wire 72.

  In this way, the operation of the first operation wire 71 that transmits the operation of the operation lever 611 is transmitted to the second operation wire 72 by the operation wire connection portion 75 configured by the first connection portion 75b and the second connection portion 75a. can do.

  The operation transmitted by the second operation wire 72 is transmitted to the third operation wire 73 and the fourth operation wire 74 via the wire operation transmission unit 720, as shown in FIGS. The signals are transmitted to the brake operation wires 73a, 73b, 74a, and 74b via the transmission units 730 and 740 to operate the brake mechanisms 40a, 40b, 40c, and 40d, respectively.

  Accordingly, by operating the operation lever 611, the first operation wire 71, the operation wire connecting portion 75, the second operation wire 72, the third operation wire 73, the fourth operation wire 74, and the brake operation wires 73a, 73b, 74a. , 74b, the brake release operations of the brake mechanisms 40a, 40b, 40c, 40d can be performed collectively.

  Here, the brake release operation of the brake mechanism 40 by the operation lever 611 when moving the mobile table 1 of the first embodiment will be described.

  When the mobile table 1 is moved, the brake mechanism 40 is normally in the brake lock state, so that the brake release operation is performed by rotating the operation lever 611 upward as shown in FIGS. I do.

  When operating the operation lever 611, as shown in FIGS. 2 and 15, in the mobile table 1, the table plate is put on the edge of the table plate 10 near the operation side where the operation lever 611 is provided. The brake release operation can be easily performed by operating the first operation unit 611a1 or the second operation unit 611a2 below 10 upward.

  In addition, when the brake release operation is performed by the operation lever 611, the second operation portion 611a2 of the operation lever 611 protrudes upward from the table plate 10 as shown in FIGS. Thereby, the user of the mobile table 1 can easily recognize that the mobile table 1 is in a movable state with the brake released even from a distance.

  In the first embodiment, since the lock lever 63 that restricts the operation of the operation lever 611 is provided, the operation state of the operation lever 611 is held by the lock lever 63 while the brake release operation is performed by the operation lever 611. The brake release state of the brake mechanism 40 can be easily maintained.

  Since it comprised as mentioned above, according to 1st Embodiment, it has the table board 10, the support | pillar part 20 which supports the table board 10, and the leg part 30 which supports the support | pillar part 20, In a movable table that includes a moving caster 43 and includes a brake mechanism 40 that brakes the table by the caster 43 and a brake operation mechanism 50 that operates the brake mechanism 40, the brake operation mechanism 50 is configured as a brake mechanism 40. An operation lever 611 that performs a brake release operation is provided. As a configuration of the operation lever 611, a first operation unit 611a1 and a second operation unit 611a2 are provided as a support unit 611b that serves as a fulcrum of operation and an operation unit 611a that performs an operation. Provided, a support portion 611b is provided below the table plate 10, and the operation portion 611a is provided outside along the edge of the table plate 10. When the table moving operation is performed, the operation unit 611a is disposed at a position along the table plate 10 so that the table moving operation can be easily performed. be able to. A part of the second operation unit 611a2 of the operation unit 611a is disposed at a position protruding upward from the table plate 10 in a state where the brake release operation of the brake mechanism 40 is performed, so that the table by the brake mechanism 40 The brake lock state or the brake released state of movement can be easily recognized.

  Further, according to the first embodiment, since the operation unit 611a is formed along the edge under the table plate 10 on the operation side of the table base 11 of the mobile table 1, any position on the operation side of the table plate 10 can be obtained. The operation lever 611 can be easily operated even from the beginning.

  In the first embodiment, since the second operation portion 611a2 is formed of a curved shaft member, the grip performance is excellent and the operability is good.

  In the first embodiment, the operation lever 611 is configured by connecting the first operation portions 611a1 of the operation lever 611 provided on both sides of the table base 11 with the second operation portion 611a2. Although it comprises continuously, the structure of an operation lever is not limited to this.

(Second Embodiment)
The second embodiment of the present invention will be described below.
FIG. 20 is a plan view showing the configuration of the operation lever of the mobile table according to the second embodiment of the present invention, and FIG. 21 is a front view showing the state of the operation lever when the brake is released by the operation lever. It is explanatory drawing by.

  Note that the mobile table 1001 of the second embodiment has the same configuration as the mobile table 1 of the first embodiment, and the description of the same configuration is omitted by attaching the same reference numerals.

  As shown in FIGS. 20 and 21, the movable table 1001 of the second embodiment is configured with an operation lever 1611 corresponding to the operation lever 611 of the first embodiment, with support portions 1611 b at both ends of the operation shaft 612. The operation portion 1611a is continuously formed in a substantially arc shape curved outward along the edge of the table plate 10 so as to surround the operation side of the table base portion 11.

  As in the first embodiment, the operation lever 1611 of the second embodiment is not configured by continuously connecting the first operation unit 611a1 and the second operation unit 611a2 as the operation unit 611a. In 2 embodiment, the operation part 1611a is continuously comprised in the ring shape with the same plate-shaped member.

  The operation portion 1611 a is formed such that both end portions 1611 a 1 on the support portion support portion 1611 b side protrude in the vicinity of the side edge of the table plate 10.

  Since it comprised as mentioned above, according to 2nd Embodiment, as a structure of the operation lever 1161, the operation part 1611a is substantially circular arc shape curved toward the outer side along the edge of the table board 10 with the same plate-shaped member. By forming them continuously, the configuration of the operation lever 1611 can be simplified and integrated, so that the rigidity can be increased.

  Further, in the second embodiment, both end portions 1611a1 of the operation portion 1611a are formed so as to protrude laterally in the vicinity of the side edge of the table plate 10, so that the user places a hand on the end portion of the table plate 10. In this state, the operation unit 1611a can be easily operated.

(Third embodiment)
Next, a third embodiment of the present invention will be described.
FIG. 22 is a perspective view of the operating lever of the movable table according to the third embodiment of the present invention as seen obliquely from below.

  Note that the mobile table 2001 of the third embodiment has the same configuration as the mobile table 1 of the first embodiment, and the description of the same configuration is omitted by attaching the same reference numerals.

  As shown in FIG. 22, the movable table 2001 of the third embodiment is configured with an operation lever 1611 corresponding to the operation lever 611 of the first embodiment, with support portions 2611 b provided at both ends of the operation shaft 612. The operation portion 2611a is configured by a plate-like member continuously formed in a substantially arc shape that curves outward along the edge of the table plate 10 so as to surround the operation side of the table base 11. is there.

  The operation portion 2611 a is formed such that both end portions 2611 a 1 on the support portion 2611 b side protrude sideways in the vicinity of the side edge of the table plate 10.

  As in the second embodiment, the operation lever 2611 of the third embodiment is not configured by continuously connecting the first operation unit 611a1 and the second operation unit 611a2, but in the second embodiment. The operation unit 1611a is continuously formed in a disc shape using the same plate-like member.

  In the third embodiment, both end portions 2611a1 of the operation portion 2611a are formed so as to protrude laterally in the vicinity of the side edge of the table plate 10, so that the user places a hand on the end portion of the table plate 10. In this state, the operation unit 2611a can be easily operated.

  In addition, this invention is not limited to embodiment mentioned above, A various change is possible in the range shown to the claim. That is, embodiments obtained by combining technical means appropriately changed within the scope not departing from the gist of the present invention are also included in the technical scope of the present invention.

  The mobile table of the present invention can be used for medical and nursing beds.

DESCRIPTION OF SYMBOLS 1 Mobile table 10 Table board 11 Table base part (accommodating part)
20 Supporting part 30 Leg part 40 Brake mechanism 43 Caster 50 Brake operation mechanism 60 Operation mechanism 63 Lock lever 70 Transmission mechanism 611, 1611 Operation lever 611a, 1611a Operation part 611a1 First operation part 611a2 Second operation part 611b, 1611b Support Part

Claims (10)

In a movable table comprising a table plate, a brake mechanism for braking movement of the table plate, and a brake operation mechanism for operating the brake mechanism,
The brake operation mechanism includes an operation member that performs a brake release operation of the brake mechanism,
The operation member includes an operation unit for performing an operation, and an operation shaft that rotatably supports the operation unit,
The operation shaft is rotatably supported below the table plate,
The operation table is supported by both end portions of the operation shaft.   The mobile table according to claim 1, wherein the operation unit is continuously provided adjacently along the outer periphery of the table plate from one end side to the other end side of the operation shaft. The brake operation mechanism includes an operation wire that transmits a brake release operation to the brake mechanism,
The movable table according to claim 1, wherein the operation wire is connected to the operation shaft.   The operation unit is disposed below the table plate when the brake mechanism is in a brake state, and is disposed above the table plate when the brake mechanism is in a brake release state. The mobile table according to any one of claims 1 to 3.   5. The mobile table according to claim 1, wherein a part of the operation unit protrudes outward in the horizontal direction with respect to the table plate. 6.   The movable table according to any one of claims 1 to 5, wherein the operation unit has a substantially arc shape or a rectangular shape whose shape is curved along an outer peripheral edge of the table plate. . A storage portion for storing the brake operation mechanism is provided below the table plate,
The operation member is configured such that a support portion serving as a fulcrum of operation is pivotally supported on both side portions of the housing portion so that the operation portion surrounds the housing portion. The mobile table according to any one of 1 to 6. A support column that supports the table plate and a leg unit that supports the support column, and the leg unit includes the brake mechanism,
The mobile table according to any one of claims 1 to 7, wherein a brake member that brakes the movement of the leg portion is used as the brake mechanism. A column portion that supports the table plate and a leg portion that supports the column portion, and the leg portion includes a caster for movement and the brake mechanism,
The mobile table according to claim 1, wherein a caster lock mechanism that brakes the casters is used as the brake mechanism.   The mobile table according to claim 1, wherein the brake operation mechanism includes a holding member that holds an operation state of the operation member.