JP6485864B2 - Tension applying device - Google Patents

Description

  The present invention attaches to a support body such as a wall body via a string-like wire such as a wire, and attaches the apparatus main body to an attachment body such as a sliding door or a door, so that the attachment body is attached via a string-like wire. The present invention relates to a tension applying device for applying tension.

  In various facilities such as hospitals, a sliding door self-closing device that automatically moves and closes the opened upper sliding door in a closing direction (hereinafter referred to as “closing direction”) is used. This sliding door self-closing device is a device that is operated by applying a tension in the closing direction to the upper suspended sliding door via a string-like wire using a tension applying device provided with a string-like wire.

  A spring unit is typically used as this type of tension applying device. As shown in FIG. 6, a conventional mainspring unit U ′ includes a wire reel 21 ′ around which a wire 40 ′ (string-like wire) is wound, which is pivotally supported on a pivot, and the wire reel 21 ′. A spiral spring 23 ′ (spring) for applying a rotational force to the rotary spring 24 ′ and a rotary damper 24 ′ for applying a braking force by decelerating the rotation of the wire reel 21 ′.

The mainspring unit U ′ is attached to the upper suspension door, and the annular terminal 41 ′ at the tip of the wire 40 ′ is hooked to a support body such as a door frame of the door pocket wall (the upper suspension door and the door frame are not shown). . With this structure, when the upper suspension door is moved in the opening direction, the wire is pulled out against the spiral spring 23 'and the upper suspension door moves and opens. When the hand is released from this state, the spiral spring 23' The wire 40 ′ is wound up by the elastic restoring force, and the upper suspension door is pulled by the winding tension and is slid in the closing direction to be self-closed (see Patent Document 1).
JP 2000-130004 A

By the way, conventionally, when the wire 40 ′ of the mainspring unit U ′ is hooked on the support, the annular terminal 41 ′ of the wire 40 ′ is positioned at a desired position of the support, and the annular terminal 41 ′ It was done by screwing the part.
However, since the attachment position of the wire 40 'is usually a gap formed between the support and the upper sliding door, it is difficult to perform the attachment operation, and furthermore, when a string-like soft type wire 40' is used However, there is a problem that the work efficiency is poor, such as the tip part hangs down due to gravity during work.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a tension applying device including a string-like wire that can be easily attached to a support.

  The tension applying device of the present invention (hereinafter referred to as “the present tension applying device”) has a string-like wire and an apparatus main body, and the apparatus main body is wound around the string-like wire so as to be rotatable. A pivoting winding means; and a rotation urging means for urging the winding means in the winding direction of the string-like wire. The string-like wire is attached to a support, and the apparatus body is covered. In a tension applying device for applying tension to the mounted body via the string-like wire by attaching to the attachment, a positioning member for hooking the support on the tip of the string-like wire The positioning member has a temporary positioning hole and a retaining hole.

  Here, the mounted body to which the present tension applying device is attached is a structure for attaching the device main body and applying tension to the device main body side. Further, the support is a structure that receives a reaction force from the side of the apparatus main body by being connected to the mounted body by attaching a string-like wire.

Moreover, the said string-like wire should just be formed with the material which can be wound up and has the intensity | strength which can transmit the tension | tensile_strength provided, A wire, a belt, a rope, a chain, etc. can be used.
Further, the rotation urging means is a means for applying a rotational force in a direction in which the string-shaped wire is wound up, a means for applying the rotational force using power or the like in addition to a spiral spring that provides an elastic restoring force, and the like. Can be used.

  In addition, in this tension | tensile_strength provision apparatus, you may have a various mechanism for adjusting the transmission of the tension | tensile_strength applied favorable, a mechanism etc. which correct looseness of a string-like wire.

  Furthermore, in general, the material and dimensions of the positioning member can be determined as appropriate. By the way, when using this tension | tensile_strength provision apparatus for to-be-mounted bodies, such as a sliding door, a sliding door will be moved along narrow members, such as a door frame. At that time, in order to attach the string-like wire rod of the tension applying device attached to the sliding door to a support such as a door frame or the like, a long piece shape having strength that has a bending property that the tip portion does not hang downward. If it forms from this plate-shaped material, since the operation | work can be performed easily, it is suitable.

  Further, the position and dimensions of the temporary positioning hole and the locking hole of the positioning member in the tension applying device can be determined as appropriate, but the temporary positioning hole is formed at the tip of the positioning member, and the locking hole is It is preferable that the temporary positioning hole is a key-like hole having a major axis in the direction in which the tension is applied because the workability at the time of positioning can be improved. It is.

  According to the tension applying device, the temporary positioning hole of the positioning member is hooked to a temporary locking portion (a combination of the temporary locking hole and the locking member or a temporary locking piece) provided in advance in the support. Then, it becomes possible to fix to a support body using a latching hole by a desired method. Therefore, it is possible to effectively eliminate the reduction in work efficiency in a narrow work space without worrying about the downward hanging of the tip portion that occurs when the support is directly fixed to the string-like wire.

  ADVANTAGE OF THE INVENTION According to this invention, a tension | tensile_strength provision apparatus provided with the string-like wire which becomes possible [attaching to a support body easily] can be provided.

It is a front view which shows the state which installed the upper suspension sliding door to which the mainspring unit (tension provision apparatus) of this invention was attached, and the said upper suspension sliding door in the door pocket wall. It is a partially cutaway perspective view showing the upper hanging door to which the mainspring unit of the present invention is attached. It is a perspective view of the mainspring unit of the present invention. It is explanatory drawing which shows the method of attaching the mainspring unit of this invention to an upper suspension door. (A)-(d) is explanatory drawing which shows typically the method of attaching the mainspring unit of this invention to an upper sliding door (only the positioning plate was illustrated). It is a front view which shows the conventional mainspring unit.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings, taking as an example a mainspring unit using a spiral spring (hereinafter referred to as “the mainspring unit”) as the tension applying device. In the description of the drawings, the same reference numerals are assigned to the same elements, and duplicate descriptions are omitted. In the description, the direction is described with reference to FIG.

[Upper sliding door]
In this embodiment, the case where the upper suspension door H (attachment body) to which the mainspring unit U is attached is supported by the door frame 5 (support body) of the door pocket wall W is taken as an example.
As shown in FIG.1 and FIG.2, the upper suspension door H is installed in various facilities (for example, the entrance / exit of a hospital room, etc.), and is provided in the door pocket wall W which has an opening part.

  On the periphery of the rectangular opening of the door pocket wall W, a vertical frame 5a (not shown) on the right and left and an upper frame horizontally provided between the left and right vertical frames 5a A door frame 5 composed of 5b is attached. On the upper frame 5b, a lip groove steel (C-shaped cross section) with an upward side facing downward is extended by a bolt (not shown).

The upper suspension rail L is provided with an upper wire latching hole L2 at a position spaced a predetermined distance from the mainspring unit housing portion 10a when the opening is closed by the sliding door body 10. The upper suspension rail L is spaced from the upper wire retaining hole L2 by a predetermined distance in the direction of the left vertical frame 5a (corresponding to the distance between the tip of the temporary positioning hole 32 of the positioning plate 30 and the wire retaining hole 33). Is provided with a temporary wire retaining hole L1 (see FIG. 4).
And in order to latch the positioning plate 30 (positioning member), the temporary fixing screw 38 is inserted in the wire temporary latching hole L1 in the state which made the head protrude beforehand.

The upper sliding door H includes a sliding door main body 10 and a door wheel unit 15 attached to the left and right upper end portions (in order to distinguish the left and right door wheel units and their constituent elements, A and B are attached). It is a major component.
The sliding door body 10 is made of wood and has a horizontally long rectangular plate shape, and a bar handle 11 is attached to the left end for the convenience of opening and closing. Further, the sliding door body 10 is provided with a spring unit housing portion 10a having a hollow box shape adjacent to the attachment portion of the right side door unit 15B.

  The left and right door cart units 15A and 15B include support bases 16A and 16B, door wheel support frames 17A and 17B attached to the upper portions of the support bases 16A and 16B, and a plurality of door wheels 18A and 18B. The support bases 16A and 16B are screwed to the left and right upper edge ends of the sliding door body 10. The door support frame 17 has a groove shape with the open side facing upward, and its left and right ends are placed on the lip portion of the upper suspension rail L. The door wheel 18 is pivotally supported by the door wheel support frame 17 so that the center axis thereof is in the width direction of the sliding door body 10 and is juxtaposed in the longitudinal direction (3 in the right door wheel unit 15B). The single door wheel 18B and the left door wheel unit 15A have two door wheels 18A). Each door pulley 18 is slidable along the horizontal portion of the upper suspension rail L, and the sliding door body 10 is slidable in the horizontal direction along the upper suspension rail L.

  A brake mechanism 13 having a damper as a main component is provided at the left end portion of the upper suspension rail L in order to decelerate the door pulley 18A and provide a braking force when the upper suspension door H is closed.

[Mainspring unit]
As shown in FIG. 3, the mainspring unit U includes an apparatus main body 20, a positioning plate 30, and a wire 40 (string-like wire). The apparatus main body 20 includes a wire reel 21 (winding means) that is rotatably supported by winding a wire 40, and a spiral spring that applies a rotational force to the wire reel 21 around the winding direction of the wire 40. 23 (rotation urging means), and a rotary damper 24 that decelerates the rotation of the wire reel 21 and applies a braking force.

A pulley 22 is interposed between the wire 40 and the wire reel 21. One end of the wire reel 21 is hooked on the pulley 22, and the other end is hooked on the pivot of the spiral spring 23. An elastic restoring force (rotational urging force) acting in the direction is always applied, and the wire 40 can be wound up. A drive rotating gear 25 is connected to one end of the pivot of the wire reel 21.
Each of these components is accommodated in a storage case 45.

  A positioning plate 30, which is a thin plastic plate (long plate-like material) formed in an elongated shape, extends from the tip of the wire 40. The positioning plate 30 is formed to be slightly narrower than the width of the upper suspension rail L. A temporary positioning hole 32 (key hole) having a key shape (a combination of a long hole 32a at the distal end and a round hole 32b having a diameter larger than the width of the long hole 32a) is formed at the distal end. Has been. In addition, a wire retaining hole 33 (round hole) for attaching to the upper frame 5b (door pocket wall W, the same shall apply hereinafter) by a retaining screw 39 is formed in the base end portion via an upper suspension rail L. Yes. A ring member 31 is fitted into the wire retaining hole 33.

  In addition, the diameter of the round hole 32b of the temporary positioning hole 32 is formed slightly longer than the diameter of the head of the temporary fixing screw 38, and is formed so as to be easily latched. Further, the width of the long hole 32a of the temporary positioning hole 32 is formed to be slightly longer than the diameter of the body portion of the temporary fixing screw 38, and is formed to be easily slid along the longitudinal direction of the long hole.

The main body 20 of the mainspring unit U is housed in the mainspring unit housing portion 10a of the sliding door body 10, and is screwed to the upper edge of the sliding door body 10 via a bracket 48 having a hook-shaped cross section. Then, by the attachment method described later, the wire temporary retaining hole L1 and the upper wire retaining hole L2 of the upper suspension rail L, the tip of the long hole 32a of the temporary positioning hole 32 of the positioning plate 30, and the wire retaining hole 33 are arranged. It is attached with a temporary set screw 38 and a latch screw 39 in a state where the positions are matched.

  With such a configuration, when the upper suspension door H holds the bar handle 11 and slides it in the opening direction (right side in FIG. 1), the wire 40 is pulled out against the spiral spring 23 and opens while sliding. It has become. When the hand is released from the bar handle 11, the wire 40 is wound around the wire reel 21 by the elastic restoring force of the spiral spring 23, and when the tension is applied to the wire 40, the upper suspension door H is pulled back, and the upper suspension rail It automatically slides in the closing direction (left side in FIG. 1) along L, so that the opened inlet portion can be closed.

[How to install the mainspring unit]
The mainspring unit U is attached to the upper frame 5b with a latching screw 39 by aligning the wire 40 with the upper wire latching hole L2 of the upper suspension rail L and the wire latching hole 33 of the positioning plate 30. Hereinafter, the attachment method will be described.

(1) Drawer of wire First, the sliding door main body 10 to which the mainspring unit U is attached is erected below the upper suspension rail L. Then, the wire 40 is pulled out from the wire reel 21 of the mainspring unit U until it reaches the vicinity of the wire temporary retaining hole L1 of the upper suspension rail L (FIG. 4) (For convenience of explanation, in FIG. The upper suspension rail L and the like are omitted).

(2) Temporary fixing of positioning plate Subsequently, the temporary fixing screw 38 in which only the head is inserted in advance into the wire temporary locking hole L1 of the upper suspension rail L, and the round hole of the temporary positioning hole 32 of the positioning plate 30 32b is matched, and the positioning plate 30 is temporarily fixed (FIG. 5A).

(3) Attaching the positioning plate Next, the positioning plate 30 is pulled in the direction of the main body 20 of the mainspring unit U (FIG. 5B), and the tip of the long hole 32a of the temporary positioning hole 32 is the temporary set screw 38. To a position where it abuts. The length of the center of the wire latching hole 33 from the tip of the long hole 32a of the temporary positioning hole 32 and the length of the center of the wire temporary latching hole L1 of the upper suspension rail L to the center of the upper wire latching hole L2 are determined equally. Therefore, the positions of the wire hooking holes 33 of the positioning plate 30 and the upper wire hooking holes L2 coincide with each other. Therefore, the positioning plate 30 is fixed by inserting the latching screw 39 into the wire latching hole 33 and the upper wire latching hole L2 of the positioning plate 30 (FIG. 5C).

(4) Attaching the upper suspension door Finally, the positioning plate 30 is fixed by the temporary fixing screw 38 and the upper suspension door H is attached to the opening, and the operation is completed (FIG. 5D).

[Effects of the mainspring unit]
According to the mainspring unit U, the temporary positioning hole 32 of the positioning plate 30 is temporarily fixed by the temporary fixing screw 38 provided in advance in the upper suspension rail L, and the positioning plate 30 is slid by applying tension. Thus, the positions of the upper wire latching hole L2 and the wire latching hole 33 can be easily matched and screwed using the latching screw 39.

  Therefore, it is possible to effectively prevent a reduction in work efficiency due to the downward hang of the tip portion that occurs when the wire 40 is directly fixed to the upper suspension rail L. In addition, the wire 40 can be easily attached in the narrow space between the upper suspension rail L and the sliding door body 10.

  As mentioned above, although an example about a suitable embodiment was explained about the present invention, the present invention is not restricted to the embodiment concerned, and a design change is possible suitably in the range which does not deviate from the meaning of the present invention.

In particular, the upper sliding door, which is the mounting body of the mainspring unit, does not ask for the material such as resin or metal, the door thickness, or the like, and may have a special structure such as with a window.
Moreover, the to-be-attached body and support body which attach this tension | tensile_strength provision apparatus can be arbitrarily defined by the structure of each structure. Even when the mainspring unit is used, the main body of the device may be attached to the door frame and the wire may be attached to the upper hanging door (in this case, the door frame becomes the mounted body, and the upper hanging door is the support body). Becomes).

  In addition, the positioning plate is not limited to the material or shape, and a synthetic resin or metal thin plate can be used, and the temporary positioning hole and the wire hooking hole are also in consideration of workability. can do.

  Furthermore, there is no particular method for attaching the mainspring unit to the upper suspension door. Bolts or the like are used, or positioning pieces and fixing pieces are formed in advance on the upper suspension rail. The positioning and attachment may be performed by latching the temporary positioning hole and the wire latching hole of the positioning plate.

W Tote wall (support)
L Lifting rail L1 Wire temporary retaining hole L2 Upper wire retaining hole 5 Door frame H Upper suspended door (attachment)
10 Sliding door body U Spring unit (tension applying device)
20 Device body 21 Wire reel (winding means)
23 Spiral spring (rotating biasing means)
30 Positioning plate (positioning member)
32 Temporary positioning hole 32a Long hole 32b Round hole 33 Wire hooking hole 40 Wire (string-like wire)

Claims (1)

It has a string-like wire and an apparatus body,
The apparatus body includes winding means that winds the string-like wire and pivotally supports the rotation, and rotation urging means that urges the winding means to rotate in the winding direction of the string-like wire. Prepared,
In the tension applying device for applying tension to the mounted body via the string-shaped wire by attaching the string-shaped wire to a support and attaching the apparatus main body to the mounted body.
At the tip of the string-like member, it has a positioning member for hanging on the support,
The positioning member is formed from a long plate-shaped material, and has a temporary positioning hole and a retaining hole ,
The temporary positioning hole is formed at the tip of the positioning member.
The retaining holes are respectively drilled in the base end portion of the positioning member,
The tension applying device , wherein the temporary positioning hole is a key-shaped hole having a major axis in the tension applying direction .

Images