JP3311941B2 - Simple opening and closing mechanism of sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide simplifed opening/closing mechanism that can operate to open/close a sliding door easily with small force and can move the sliding door horizontally at the time of opening/closing it. SOLUTION: A sliding door rail is provided along an upper part of a sliding door fitting part A formed at a building, and a sliding door 2 is arranged at the sliding rail movably in a top-railed state. A weight guide rail 15 is arranged oscillatingly in a seesaw state above the sliding door rail. The weight guide rail 15 is provided with a weight member 18 movably along the longitudinal direction of the weight guide rail 15, and the weight member 18 and the sliding door 2 are connected through a connecting arm 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple sliding door opening and closing mechanism which can be closed or opened by a simple operation.

[0002]

2. Description of the Related Art To open and close a door, the door may be pushed and pulled in a passing direction. However, a sliding door is opened and closed by pushing and pulling in a direction perpendicular to the passing direction. It is very troublesome for the elderly and handicapped because it is large and requires much power to operate. In particular, opening and closing operations in a wheelchair are burdensome. Not only is the operation troublesome, but in hospitals and other facilities, nurses have to open and close the device with the equipment in their hands, which is cumbersome, and it is frustrating to touch the sliding door when opening and closing. There are many cases.

[0003] In order to solve such problems,
There is an electric automatic door. This is convenient because all the doors are automatically opened and closed. However, the electric automatic door has a problem in that the mechanism is complicated, the device becomes large, and equipment and maintenance are very expensive.

[0004] Under such circumstances, an opening and closing mechanism that can be opened and closed by a simple operation is desired. As a countermeasure to this, for example, one disclosed in Japanese Patent Application Laid-Open No. 5-118180 is known. This is because the guide rail 14 is bent at the upper side of the door erection part from the center in a substantially V shape.
Are swingably provided, and the door body 12 is suspended so as to be able to travel along the guide rails 14.
The door body 12 is opened and closed by swinging and tilting the door 4.

[0005]

However, according to the opening / closing mechanism, since the guide rail is swung while the door body is suspended, a large force must be applied to incline the guide rail.

In addition, since the door body is moved by utilizing the inclination of the guide rail, the door body is inclined at the time of opening and closing, and the door body moves from a high position to a low position and does not move horizontally. Was.

An object of the present invention is to provide a simple opening / closing mechanism which can solve the above-mentioned drawbacks, can be opened / closed with a simple and small force, and can move a sliding door horizontally without tilting at the time of opening / closing.

[0008]

In order to solve the above-mentioned problems, a simple opening / closing mechanism for a sliding door according to the present invention has the following features. (B) A sliding door rail is provided along the upper part of the sliding door building section formed in the building, and the sliding door is movably arranged in a suspended state on the sliding door rail. (B) A weight guide rail above the sliding door rail. Are pivotally arranged in a seesaw shape, and a weight member is provided on the weight guide rail so as to be movable along the longitudinal direction of the weight guide rail. (C) The weight member and the sliding door are connected via a connecting arm. Be connected

The weight guide rail may be configured to always swing toward the closing side of the sliding door by a gravity balance regardless of the position of the weight member.

[0010] Similarly, it is preferable that an operating rod for swinging the weight guide rail is accommodated in a housing frame provided along a pillar of the sliding door building portion, and that the operating rod can be operated from the outside.

Further, it is preferable that the sliding door rail is housed in a mounting groove provided in the dolly of the sliding door building portion.

[0012] In addition, it is desirable that the operating rod accommodating portion is provided along a column of the sliding door building portion.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference symbol A indicates an indoor sliding door built-in portion formed in a building. Sliding door building A
Is composed of a beam a1, a gate a2, a threshold a3, and a pillar a4. An opening edge frame 1 is formed inside the gate a2, a threshold a3, and pillars a4 on both sides, and a sliding door 2 is provided inside the opening edge frame 1.
Is formed in a partition. Open edge frame 1
Is framed in a rectangular shape from the edge frames of the upper frame 1a, the vertical frame 1b, and the lower frame 1c. The upper frame 1a and the vertical frame 1b are composed of a frame main body 1p and a casing 1q as shown in FIGS. 2 and 6, and such a configuration is the same as that of a conventional indoor sliding door.
A sliding door 2 is slidably provided inside the opening edge frame 1.

As shown in FIG. 2, finishing wall materials 3 are attached to both sides of a space between the beam a1 and the gate a2, and a space S is formed inside the finishing wall material. A continuous mounting groove 4 is formed in the widthwise intermediate portion of the Kamoi gate a2 and the upper frame 1a of the opening edge frame 1, and a sliding door rail 5 is mounted in the mounting groove 4. The sliding door rail 5 is formed with a box-shaped door roller storage portion 6, an opening groove 7 is formed in the center of the lower bottom along the entire longitudinal length, and two guide rail portions 8 are formed at the edge of the opening groove 7. Have been. A mounting piece 9 for fixing to the lower surface of the upper frame 1a is formed on one lower side of the sliding door rail 5, and a hollow portion is formed on an upper part of the door carriage storing portion 6.
Further, buffer members 10 (see FIG. 1) are provided at both ends of the sliding door rail 5.

As shown in FIGS. 2 and 3, a supporting edge 11 bent approximately in a Z-shape is projected from an upper portion of the sliding door 2, and a door wheel 12 is mounted on the supporting edge 11. The sliding door 2 is movably arranged along the sliding door rail 5 in a state of being suspended from above by being guided along the guide rail portion 8 of the rail 5. The supporting edge 11 is attached to a position where it hits the cushioning member 10 immediately before the sliding door 2 collides with the vertical frame 1b.

Next, in a hollow portion provided above the sliding door rail 5, a support bracket 13 is fixed at a position offset to the side of the sliding door 2 at the time of opening, and a support shaft 14 provided on the support bracket 13 is attached to the support bracket 13. The weight guide rail 15 is disposed so as to swing freely in a seesaw shape. The weight guide rail 15 has a U-shaped cross section, and has two parallel rails 16 at its bottom.
Are formed. Support bracket 1 for weight guide rail 15
The receiving bracket 17 is fixed to the lower surface of the position corresponding to 3,
The support shaft 14 is rotatably supported by the receiving bracket 17.

The weight member 1 is provided inside the weight guide rail 15.
8 are arranged. As shown in FIG. 4, the weight member 18 is formed by fixing weights 19 on both sides of an elongated plate-shaped body 18a, and running wheels 20 are provided at both front and rear ends of the plate-shaped body, and the weight members 18 are fallen on both sides. A roller 21 is provided for holding the roller 21 in such a manner that it does not move. The traveling wheel 20 rides on the sliding door guide rail section 16 as shown in FIG. 2, and the roller 21 is in rolling contact with the inner surface of the weight guide rail 15. Therefore, when the weight guide rail 15 is inclined, the weight member 18 is movable along the longitudinal direction of the weight guide rail 15 according to the inclination. The weight guide rail 15 is horizontal if the weights on both sides are balanced with the support shaft 14 interposed therebetween. However, the fulcrum is slightly moved toward the sliding door side when the fulcrum is opened, and the weight guide rail 15 It is set so as to swing in the direction of a downward slope toward the closing side. The balance may be adjusted by changing the weight of the weight member 18 or the position of the support fitting 13.

Next, the weight member 18 and the sliding door 2 are connected via a connecting arm 22. The connecting arm 22 is set obliquely so as to correspond to a change in the distance between the weight member 18 and the sliding door 2.

According to the above configuration, when the sliding door 2 is opened along the sliding door rail 5 (the state shown in FIG. 1) and the force is released, the weight guide rail 15 is inclined downward toward the closing side of the sliding door 2 (see FIG. 1). 1 (indicated by a dotted line in FIG. 1), the weight member 18 moves in the closing direction of the sliding door 2. Since the sliding door 2 is connected to the weight member 18 via the connecting arm 22, the sliding door 2 also moves in the closing direction together with the weight member 18 and automatically closes.

Next, an operating rod 24 is connected to an end of the weight guide rail 15 via a connecting link 23. The operating rod 24 is provided along the vertical frame 1b of the opening edge frame 1, and is arranged so as to be vertically movable from outside. As shown in FIG. 6, a groove 25 is formed in the longitudinal direction of the inner surface of the vertical frame 1b.
Are formed, and an operating rod housing frame 26 is fixed on the concave groove 25. The operating rod housing frame 26 includes a housing frame main body 26a fixed to the concave groove 25 with screws, and a housing frame cover 26b detachable from the operating rod housing frame 26.
Is formed.

An operation handle 28 shown in FIGS. 5 to 7 is provided at a position slightly lower than the middle of the housing frame main body 26a so as to be vertically movable. As shown in FIG. 7, a notch 29 corresponding to the moving range of the handle 28 is formed in the housing frame cover 26b. A pair of left and right guide rollers 30 are provided above and below the handle 28, respectively, and each guide roller 30 is arranged so as to roll freely along both side surfaces 31 of the housing frame main body 26a. A locking piece 32 whose tip protrudes is provided below the handle 28. On the other hand, the housing frame body 2
A locking member 33 that locks to the locking piece 32 when the operating rod 24 reaches the lower moving end is fixed to 6a.

The handle 28 has a first rack gear 34.
The second rack gear 3 is provided below the operating rod 24.
5 extend in the longitudinal direction. The two rack gears 34 and 35 are formed in parallel and facing each other. On the other hand, the gear 36 is rotatably arranged in the housing frame main body 26a. The gear 36 meshes with the first rack gear 34 and the second rack gear 35. The pressing roller 37 holds the second rack gear 35 so as not to come off from the gear 36.

In the above configuration, when the handle 28 is pulled down, the guide roller 30 is moved to the housing frame main body 2 as shown in FIG.
6a, and the first rack gear 34 is
And the gear 36 rotates. Gear 36
Is rotated, the second rack gear 35 meshed with this is forcibly raised, so that the operating rod 24 also moves upward. As a result, one end of the weight guide rail 15 rises,
As shown in FIG. 1, since the swing member 2 swings so as to have a downward slope toward the opening side of the sliding door 2, the weight member 18 moves according to the above-described slope. Since the sliding door 2 is connected to the weight member 18 via the connecting arm 22, the sliding door 2 moves in the opening direction together with the weight member 18, and the sliding door 2 is opened. When the handle 28 is moved to the lowermost end, the locking pieces 32 are locked by the locking hardware 33, and the open state of the sliding door 2 is maintained. A known mechanism is used as the locking mechanism, and the locking piece 32
Is in a holding state when pressed against the locking fitting 33, and is released when a force is applied again in the pressing direction.

When the locking piece 32 and the locking fitting 33 are released, the weight guide rail 15 swings so as to naturally descend toward the closing side of the sliding door 2 due to the weight balance on both sides of the support shaft 14. (See the dotted line in FIG. 1). For this reason, the sliding door 2 automatically closes and operates together with the weight member 18. At the same time, the gear 36 reversely rotates, so that the handle 28 returns upward. In addition, the end of the sliding door 2 hits the shock absorbing member 10 at the moving end at the time of opening and closing, and the shock is reduced.

As described above, the sliding door 2 can be automatically closed without directly touching the sliding door 2, but the handle 2
Since it is easier to lower the operation of 8 than to raise it, the operability is particularly excellent when operating from a wheelchair.

If the operating rod is operated by a pedal instead of the handle, the opening and closing can be performed only by the stepping action without touching the sliding door or the handle, so that the operation while holding the object can be performed. It will be easier.

The above-mentioned opening / closing mechanism has a structure in which the sliding door 2 automatically closes after the opening operation. On the contrary, the sliding door 2 is automatically opened and operated only when the sliding door 2 is closed. You may. Although not shown, for example, sliding door 2
When the door is closed, the weight guide rail 15 is urged by a spring so as to swing in a direction of a downward slope toward the opening side of the sliding door 2, and the operating rod 24 is provided on the vertical frame 1 b side when closed. What is necessary is just to comprise so that it may be locked. in this case,
When the lock is released, the weight guide rail 15 swings due to the spring force, and the sliding door 2 is automatically opened. After the door is opened, the operating rod 24 is pulled down against the spring force to engage the locking means. When stopped, the weight guide rail 15 swings to close the sliding door 2 and operate. Instead of biasing with a spring, support shaft 1
A configuration in which the position of 4 is changed and the weight balance is reversed from the above-described example may be adopted.

Further, the support bracket 13 may be arranged at the center of the sliding door rail 5 so that the weight guide rail 15 is balanced, and the opening and closing operations may be performed at the time of opening and closing.

Further, in the above embodiment, the single sliding door type sliding door is shown, but the arrangement of the sliding door is not limited to this. In the case of the illustrated single sliding door type, although not shown, a finished wall may be provided on one side or both sides of the sliding door at the time of opening as in the case of the conventional single sliding door.

[0030]

According to the first aspect of the present invention, the sliding door is suspended by the sliding door rail dedicated to the sliding door, and the weight guide rail that swings to open and close the sliding door guides only the weight. Since the sliding door is not hung on the weight guide rail, the weight guide rail can be swung with a small force, whereby the sliding door can be opened and closed.
Further, since the sliding door rail does not swing, the sliding door does not tilt at the time of opening and closing, and the sliding door can be moved horizontally along the sliding door rail.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, when the sliding door is opened,
The weight guide rail is regulated and held so as to have a downward slope toward the opening side, and when the sliding door is closed, it can be set to operate automatically only by releasing the regulation.

According to the third aspect of the present invention, in addition to the effect of the first aspect of the present invention, since the operating section is provided on the vertical side of the sliding door building section, the operation is easy. Also, since the operating rod is hidden in the housing frame, the appearance is good.

According to the fourth and fifth aspects of the present invention, in addition to the effect of the first aspect, the sliding door rail and the operating rod are respectively housed together with the edge frame for covering the inner periphery of the opening of the sliding door installation part. In addition, it is possible to treat the fitting of the end of the interior material in the room in the same manner as in the related art.

[Brief description of the drawings]

FIG. 1 is a front view of a sliding door opening / closing mechanism according to the present invention.

FIG. 2 is a cross-sectional view taken along line XX of FIG.

FIG. 3 is a perspective view of a main part of a sliding door opening / closing mechanism.

FIG. 4 is a perspective view of a weight member.

FIG. 5 is a side view of a main part of an operating portion of the operating rod.

FIG. 6 is a sectional view taken along line YY of FIG. 5;

FIG. 7 is an exploded perspective view of a main part of the operation portion.

FIG. 8 is an explanatory view of an operation state at the time of operating the handle.

[Explanation of symbols]

 A Sliding Door Building Part 1 Opening Edge Frame 2 Sliding Door 5 Sliding Door Rail 15 Weight Guide Rail 18 Weight Member 22 Connecting Arm 24 Operating Rod

──────────────────────────────────────────────────続 き Continuation of the front page (72) Nobuhiro Muramatsu, Inventor 12-9, Nakatahonmachi, Shizuoka-shi, Shizuoka (56) References JP-A-7-189549 (JP, A) JP-A-5-118180 (JP, A ) Shokai 61-98177 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05F 1/02 E05F 11/08-11/28

Claims (5)

(57) [Claims] 1. A simple sliding door opening / closing mechanism having the following requirements. (B) A sliding door rail is provided along the upper part of the sliding door building section formed in the building, and the sliding door is movably arranged in a suspended state on the sliding door rail. (B) A weight guide rail above the sliding door rail. Are pivotally arranged in a seesaw shape, and a weight member is provided on the weight guide rail so as to be movable along the longitudinal direction of the weight guide rail. (C) The weight member and the sliding door are connected via a connecting arm. Be connected 2. The sliding door according to claim 1, wherein the weight guide rail always swings in a downward slope toward the closing side of the sliding door due to gravity balance regardless of the position of the weight member. Opening and closing mechanism. 3. The sliding door according to claim 1, wherein an operating rod for swinging the weight guide rail is housed in a housing frame provided along a pillar of the sliding door building portion, and the operating rod can be operated from outside. Simple opening and closing mechanism. 4. The simple sliding door opening / closing mechanism according to claim 1, wherein a mounting groove is provided in the gate of the sliding door building portion, and the sliding door rail is accommodated in the mounting groove. 5. The simple opening / closing mechanism for a sliding door according to claim 1, wherein an operating rod accommodating portion is provided along a pillar of the sliding door building portion.