JP2601186Y2 - Vertical sliding doors - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a vertical sliding door opening / closing device which is a type of a building window.

[0002]

2. Description of the Related Art A conventional sliding door opening / closing device for a vertical sliding door having a rectangular frame fixed to an opening of a building, a shoji which is openably and closably fitted to the frame, and a link mechanism for connecting the frame and the shoji. Is to slide the inner end side of the link holding the shoji on the frame directly against the fixed frame side, share the load holding function and the opening / closing operation function of the shoji with one link mechanism, and Usually, a part of the gear transmission mechanism is directly engaged with one of the links to transmit the rotation of the handle.

[0003] Therefore, the load of the sash is directly applied to the opening and closing operation of the sash by the handle, the operation is heavy, the link mechanism is liable to be broken, and if the sash is frequently opened and closed, there is a problem of wear due to sliding. There were drawbacks such as ease of use.

[0004]

SUMMARY OF THE INVENTION The present invention provides a vertical sliding door opening / closing device suitable for use in large-sized sliding doors, in which the opening / closing operation of the sliding door is smooth and the turning operation of the handle is lightened. The purpose is to do.

[0005]

In order to achieve the above object, the present invention provides a rectangular frame fixed to an opening of a building,
In switchgear vertical Suberidashi shoji and a link Organization for connecting the sash and frame and sash to be mated openably to the frame, the first link in the horizontal projection view of the link mechanism, the second link, the The link is a four-node link composed of three links and a fourth link in this order. Each link is connected to an adjacent link at a pivot point at both ends of the link.
The link connects one side of the side frame of the frame to the hanging side edge of the shoji, and the second link is fixedly provided along the side frame from the hanging side edge of the shoji, The third link connects the second link on the shoji and the other side of the side frame of the frame, and the fourth link is a fixed link having a length between two pivot points of the first link and the third link with respect to the frame. A link, wherein the sum of the lengths of the first link and the fourth link and the sum of the lengths of the second link and the third link are substantially the same length, and both ends are pivotally connected to the shoji and the frame of the frame, respectively. a horizontal swing link is, is pivotally attached to a rack which is slidably guided at the other end is pivotally connected at one end to an intermediate portion of the rocking phosphorus <br/> click along the length of the transverse rail of the frame Operating link,
A drive mechanism configured by a handle attached to the frame-side fixed member, and a pinion that meshes with the rack, and the rotation of the handle is transmitted through a gear transmission mechanism to slide the rack. I do.

[0006]

The link mechanism is linearly folded along the horizontal frame of the frame when the sliding door is closed (see FIG. 2). By rotating the handle, the rack is connected to the horizontal frame of the frame via the gear transmission mechanism and the pinion. along the sliding (to the right in FIG. 2) a predetermined direction, the actuating link is pivotally mounted and the other end to the rack displacement, outwardly of one end pivotally connected to the swing link frame It will protrude toward, also the rocking link is swung so as to protrude the pivot point of the sliding door side pivot point of the frame side as the center of rotation.

[0007] Simultaneously with rocking rocking link, folded linkage, the first link relative to the fourth link fixed to the frame as shown in FIG. 1, a frame of the second link and the third link since protrudes outwardly, in an open released quadrilateral it will be kept in an open state in which slide out the shoji on the second link vertically.

In this operation process, the load of the shoji is presented to the frame and most of the load is held via the first link, the second link and the third link, so that the displacement of the shoji in the horizontal direction can be made extremely light. As a result, the operation of the drive mechanism having only the opening / closing operation function becomes extremely smooth.

In addition, the drive mechanism is provided with a rack and a pinion as means for linearly displacing the pivot point at the other end of the operating link, so that the turning operation of the handle is further facilitated.

[0010] To close the sliding door may be rotated the handle Conversely, each unit member is operated in the reverse to the opening action of the, returns to the closed state of the sliding door shown in FIG.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings. FIG. 1 shows an open state of a vertical sliding type shoji, and FIG. 2 shows a closed state of the shoji.

In both figures, reference numeral 1 denotes a rectangular frame fixed to an opening of a building, 11 denotes a horizontal frame of the frame 1, 12 denotes a vertical frame of the frame 1, 2 denotes a shoji that is openably and closably fitted to the frame 1, 21 indicates a horizontal frame of the shoji 2 and 22 indicates a vertical frame of the shoji 2.

Reference numeral 3 denotes a connection between the frame 1 and the shoji 2
A link mechanism capable of holding the load of the shoji 2 is shown. Usually, the link mechanism 3 is provided in a pair on the upper and lower horizontal frames of the frame 1 and the shoji 2.

Each of the link mechanisms 3 of the present invention includes a first link 31 and a second link 3 on the horizontal projection plane when the shoji 2 is opened.
A four-bar link is formed in the order of the second, third and third links 33 and 34, and each of the links 31 to 34 is connected to an adjacent link at a pivot point at both ends. The pivot points, which are the vertical pivots of the fourth link and the first link, the first link and the second link, the second link and the third link, and the third link and the fourth link, are denoted by reference numeral 41 in order of convenience in the following description. , 42, 43 and 44, respectively.

Since the fourth link 34 of the link mechanism 3 is fixed at the side frame portion 11 of the frame 1 as described later, the link mechanism 3 moves the first link 31 to the third link 33. Limited c (closed c
hain).

More specifically, in the link mechanism, the first link 31 is connected to one side of the side frame 11 of the frame 1 (side frame 1).
1 end in the length direction) and the hanging edge of the sliding door 2. The second link 32 is fixedly provided along the length direction of the side frame 21 from the hanging edge on the hanging side of the shoji 2. The link 32 is fixed separately from the shoji 2 as shown in the figure. Or a part of the side frame 21 of the shoji 2
1 may be integrated.

The third link 33 is the second link 3 on the shoji 2.
2 and the other side of the side frame 11 of the frame 1 (the other end side in the length direction of the side frame 11). The fourth link 34 is a fixed link having a length (length indicated by a chain line) between two pivot points 41 and 44 of the first link 31 and the third link 33 with respect to the side frame 11 of the frame 1. The link 34 may share a part of the horizontal frame 11 of the frame 1 as shown, or may be manufactured separately and fixed to the horizontal frame 11.

The sum of the lengths of the first link 31 and the fourth link 34 and the second link 32 are set so that the link mechanism 3 can be linearly folded along the horizontal frame 11 of the frame 1. And the sum of the lengths of the third links 33 needs to be substantially the same.

The above-mentioned link mechanism 3 is usually provided on the upper and lower horizontal frames 11 and 21 of the frame 1 and the shoji 2 in pairs. The link mechanism 3 allows the shoji 2 to be opened and closed with respect to the frame 1 from the maximum open angle position to the closed position.
Most of the total load is held on the horizontal frame 21 of the frame 1 through the first link 31 to the third link 33 in the link mechanism 3.

Next, the driving mechanism 5 for applying a horizontal force for opening and closing the link mechanism 3 will be described.
The drive mechanism 5 has both ends on the side frames 11, 21 of the frame 1 and the shoji 2
A horizontal swing link 51 pivotally connected to the vertical link 61, 62, and a vertical pivot 63 at an intermediate portion of the pivot link 51, and the other end of the horizontal link 11 An actuating link 52 is provided which is pivotally mounted on a rack 53 slidably guided along its length with a vertical pivot 64.

The rack 53 in the illustrated example is slid and guided by two guide members 54 and 54a attached to the frame 1 or other fixing members (not shown). That is, the distal end side of the rack 53 is slidably inserted into the guide member 54 having a rectangular tubular shape, and the base end side is slidably fitted with the pivot 64 in an elongated hole provided in the guide member 54a. I'm trying to guide you.

The handle 55 of the drive mechanism 5 is connected to the base frame 5 attached to the frame 1 or another fixing member (not shown).
6 are rotatably supported, the rotation of the handle 55, through the gear Den motive structure 57 comprising a plurality of gears,
It is transmitted to the case pinion 58 meshing with the rack 53.

Therefore, when the handle 55 is rotated, the rack 53 slides, and the operation link 52 associated therewith operates. When not in use, handle 55 is folded into frame 56 as shown in FIG.

In addition, the locking mechanism 7 for the shoji 2 can be additionally provided to the sliding door opening and closing device of the present invention. The locking mechanism 7 in the illustrated example has a base frame 56 that is common with the handle 55.
An operating member 71 rotatably mounted, a pinion 72 fixed to the rotation shaft thereof, a rack rod 73 which meshes with the pinion 72 and slides in an appropriately fixed guide member 74;
A first linking member 75 connected to the rack rod 73, a second linking member 76 that engages with the first linking member 75, an L-shaped corner piece 77 fixed to the frame 1, A flexible member 78 connected to a second linking member 76 slidably inserted into the corner piece 77, and a connecting member 7 coupled to the flexible member 78 and operating at right angles to the displacement of the second linking member 76;
9, an interlocking rod (not shown) which is connected to the connecting member 79 and operates along the vertical frame 12 of the frame 1, and a latching piece which is operated by the interlocking rod and locks between the frame 1 and the shoji 2 (shown in FIG. No).

The locking mechanism 7 operates the locking piece by rotating the operating member 71 to restrain the sash 2 to the frame 1 in a closed state.

[0026]

According to the vertical sliding door opening / closing device of the present invention described above, the link mechanism connecting the frame and the sliding door constitutes a four-bar link, and the adjacent links are all connected by pivoting. Most of the load of the shoji is held by the frame via the first to third links in the link mechanism, and the drive mechanism including the combination of the rack and the pinion has a function of holding the load of the shoji. Does not involve at all, it only needs to exhibit the opening and closing operation function of pushing and pulling the sliding door in the horizontal direction, so even if it is adopted for a large-sized sliding door, no excessive force acts on the link mechanism and the driving mechanism, The effect is that the operation is smooth, there are few failures, and the handle operation can be performed very lightly.

[Brief description of the drawings]

FIG. 1 is a plan view showing an open state of a sash in an embodiment of a sliding door opening and closing device for a vertical sliding sash according to the present invention.

FIG. 2 is a plan view of the sliding door in a closed state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Frame 11 Side frame 2 Shoji 21 Side frame 3 Link mechanism 31 First link 32 Second link 33 Third link 34 Fourth link 5 Drive mechanism 51 Swing link 52 Operating link 53 Rack 55 Handle 57 Gear transmission mechanism 58 Pinion

Claims (1)

(57) [Scope of request for utility model registration] A rectangular frame 1. A fixed to the opening of the building, and shoji being mated to be opened and closed frame, the opening and closing device of the vertical Suberidashi shoji and a link Organization for connecting the frame and sash, The link mechanism is a four-bar link composed of a first link, a second link, a third link, and a fourth link in the horizontal projection view, and each link is adjacent at a pivot point at both ends thereof. Linked to the link, the first
The link connects one side of the horizontal frame of the frame to the hanging edge of the sliding door, and the second link is fixedly provided along the horizontal frame from the hanging edge of the sliding door, The third link connects the second link on the shoji and the other side of the side frame of the frame, and the fourth link is a fixed link having a length between two pivot points of the first link and the third link with respect to the frame. A link, wherein the sum of the lengths of the first link and the fourth link and the sum of the lengths of the second link and the third link are substantially the same length, and both ends are pivotally connected to the side frames of the shoji and the frame, respectively. a horizontal swing link is, is pivotally attached to a rack which is slidably guided at the other end is pivotally connected at one end to an intermediate portion of the rocking phosphorus <br/> click along the length of the transverse rail of the frame Operating link,
A drive mechanism configured by a handle attached to the frame-side fixed member, and a pinion that meshes with the rack, and the rotation of the handle is transmitted through a gear transmission mechanism to slide the rack. Vertical sliding doors.