JP2003227283A - Non-rail type gate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a non-rail type gate capable of opening by a light force and gently closing automatically or by application of a slight starting force. <P>SOLUTION: A housing 1 is provided with a closing mechanism constructed of a door closer 39 always applying a force in the closing direction. In addition to the closing mechanism, closing force reducing mechanisms 43, 44, 45, 50 and 51 converting lowering force by gravity of themselves into an opening directional force to the sliding door and applying the opening directional force to the sliding door are arranged in the housing. In each of the closing force reducing mechanisms, one end part is pivoted to the rear end upper part of the housing, while the other end part is pivoted to the door end part of the sliding door. The closing directional force f1 by the closing mechanism is set to be slightly greater than the opening force f2 plus f3 by the closing force reducing mechanisms. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a non-rail type gate. More specifically, it is opened and closed without providing a sliding door running rail on the ground, and when the force in the opening direction applied to the opened sliding door is removed or when a starting force in the closing direction is applied to the sliding door held in the open position, Regarding things that close automatically.

[0002]

2. Description of the Related Art For a rail type gate that runs a sliding door on a rail laid on the ground to open and close, a guide rail is provided in a housing that accommodates an opened sliding door without using such a rail. A non-rail type gate that is opened and closed by inserting and removing a sliding door movably supported by the guide rail is already known.

[0003]

However, in the conventional non-rail type gate, the supporting structure for the housing and the opening / closing mechanism are complicated. As a result, it is not easy to manufacture, it is not easy to mount it in the housing, and it is necessary to apply a large force when opening and closing it, or the sliding door abruptly hits the gate pole when closing, resulting in a large impact, noise and injury. There was a problem such as the cause of. In addition, since the automatic closure uses an electric means such as a motor, there is a problem that equipment cost and operation cost are required.
Therefore, a first object of the present invention is to provide a non-rail type gate that has a simple structure and can be automatically closed without using power. A second problem is to provide a non-rail type gate that can be closed automatically when a hand is released from the sliding door or automatically after a small starting force is applied and the sliding door can be opened with a small force. It is in.

[0004]

In order to solve the above-mentioned first problem, the non-rail type gate of the present invention comprises a support mechanism having a guide rail provided in a housing,
The supporting mechanism movably supports a sliding door between a position where the sliding door is housed in the housing to open the passage and a position where the sliding door is pulled out from the housing and closes the passage, and the housing is closed by a door closer. It is characterized in that a mechanism is provided and a force in the closing direction is always applied to the sliding door by the closing mechanism. With the above configuration, the door closer of the closing mechanism always applies a closing force to the rear end of the sliding door. Therefore, when the force in the opening direction applied to the opened sliding door is removed, or when the starting force in the closing direction is applied to the sliding door in the open position, the sliding door is automatically closed.

In order to solve the above-mentioned second problem, the non-rail type gate of the present invention is provided with a support mechanism having a guide rail provided in the housing, and the sliding door is accommodated in the housing by the support mechanism and the passage is provided. Is movably supported between a position for opening the door and a position for closing the passage by being pulled out from the housing, and a closing mechanism including a door closer is provided in the housing, and the sliding door is always provided by the closing mechanism. Apply a force in the closing direction,
Further, in the housing, one end is pivotally attached to the upper rear end of the housing, and the other end is pivotally attached to the door bottom portion of the sliding door, so that the downward force due to its own gravity is applied in the opening direction of the sliding door. It is characterized in that it is provided with a closing force reducing mechanism which converts the force into a force and gives it to the sliding door. With the above configuration, the closing force reducing mechanism always applies a force in the opening direction to the sliding door. When the force in the closing direction by the closing mechanism and the force in the opening direction by the closing force reducing mechanism are equalized, the sliding door can be easily closed or opened by applying a small closing force or opening force. it can. Further, when one of the closing force by the closing mechanism and the opening force by the closing force reducing mechanism is set to be slightly larger than the other, when the hand is released from the sliding door, it automatically closes or opens. . When the closing force of the closing mechanism is set to be slightly larger than the opening force of the closing force reducing mechanism, when the hand is released from the opened sliding door, it closes at a slow speed. The closed sliding door is maintained in the closed position. The sliding door can be opened with a small force corresponding to the difference between the closing force and the opening force compared to a non-rail type gate provided with only a closing mechanism.

The closing mechanism has a door closer attached to an upper frame or a lower frame forming a sliding door accommodating space of the housing, and a base end thereof is fixed to a rotary shaft of the door closer.
A pressing roller slidably abutted on the rear end surface of the sliding door is provided at the tip, and the rear end surface of the sliding door is fixed with a constant force through the pressing roller by the rotational force of the rotating shaft of the door closer. It can be configured with an arm that urges in the closing direction of the sliding door. With the above structure, the door closer of the closing mechanism always applies a closing force to the rear end of the sliding door via the arm and the pressing roller by the rotational force of the rotating shaft.

In the closing force reducing mechanism, one end of the arm pivotally attached to the upper rear end of the sliding door and the other end of the arm pivotally attached to the upper rear end of the housing is disposed inside the housing. A first frame body pivotally attached below a straight line connecting the ends of the both arms, and the other end of the arm having a pressing roller slidably abutting on the rear end surface of the sliding door at one end. , The other end of an arm having a pressing roller slidably in contact with the inner surface of the rear end of the sliding door housing space of the housing at one end above the pivot point of the first frame in the housing The pivotally attached second frame body can be configured by a rhombus frame pivotally attached at an intermediate portion of each arm of each frame body. With the above configuration, since the gravity of the diamond frame acts on the sliding door as an opening force, the closing force by the closing mechanism is diminished and the sliding door is prevented from being closed suddenly. Also, the sliding door maintains a stable vertical posture by the arm of the door closer and the arm of the two frame bodies of the diamond-shaped frame that presses the rear end surface of the sliding door and the arm of the housing that presses the rear end inner surface of the housing. be able to.

The support mechanism is provided on a guide rail provided on an upper portion of the housing, a mounting member extending rearward from an upper rear end of the sliding door, and a mounting member mounted on the mounting member and provided on an upper portion of the housing. It may be configured to have an upper supporting device including a suspension wheel that is rotatably fitted to the provided guide rail, and a guide roller that is attached to the attachment member and is guided by contacting the guide rail. . With the above configuration, the suspension vehicle and the guide roller can be easily attached, and the arm of the support mechanism can be easily connected to the sliding door.

It is desirable that the mounting member of the upper support device be provided with a tongue piece pivotally connecting one end of the arm of the first frame of the closing force reducing mechanism. With the above configuration, the closing force reducing mechanism can be easily connected to the sliding door.

The support mechanism includes, in addition to the upper support device, a guide rail provided in a lower portion of the housing, a mounting member which is mounted so as to extend rearward from a lower rear end of the sliding door, and the mounting member. It is also desirable to have a lower support device including a guide roller that abuts and guides the guide rail. With the above structure, the stability of support of the sliding door with respect to the housing is improved, and the sliding door can be opened and closed smoothly.

In the non-rail type gate according to the present invention, a built-in adjusting member extending in the height direction of the sliding door is attached to the rear end portion of the sliding door so that the inclination angle can be adjusted, and the back of the built-in adjusting member is provided with a closing mechanism. It is desirable to adopt a configuration in which the pressing roller or the pressing roller of the closing mechanism and the pressing roller of the closing force reducing mechanism are brought into contact with each other. With the above configuration, even when the installed state of the sliding door is slightly inclined, it can be easily adjusted by the installed adjusting member to ensure smooth opening and closing.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is the first invention in which a supporting mechanism is provided in a housing and a sliding door and a closing mechanism is provided in the housing, and a supporting mechanism is provided in the housing and a sliding door, and a closing mechanism and a closing force are provided in the housing. Although the second invention including a reduction mechanism is the subject of the right acquisition, the first invention corresponds to the second invention from which the closing force reduction mechanism and the structure attached thereto are removed. The following is based on the drawings
An embodiment of the second invention will be mainly described. FIG. 1 is a front view of a non-rail type gate according to the present invention in a closed state of a sliding door, FIG. 2 is a front view of the same in an opened state of a sliding door, and FIG. 3 is a front panel showing a main configuration of a housing and a positional relationship in a closed state of a sliding door. 4 is a front view of a state in which the sliding door is removed, FIG. 4 is the same front view showing the positional relationship in the open state of the sliding door, FIG. 5 is a sectional view taken along the line AA of FIG. 3, FIG. Is a developed view of the lower attachment device, FIG. 8 is a sectional view taken along line BB of FIG. 3, FIG. 9 is a sectional view taken along line CC of FIG. 3, and FIG. 10 is taken along line DD of FIG. 11 is a horizontal sectional view showing an example of a sliding door locking mechanism, FIG. 12 is a front view thereof, and FIG. 13 is a vertical sectional view showing another example of a sliding door locking mechanism. 14 and 15 show another embodiment of the present invention. FIG. 14 is a front view corresponding to FIG. 3, and FIG. 15 is a front view corresponding to FIG.

The non-rail type gate according to the present invention, as shown in FIG. 1 and FIG. 2, is generally installed adjacent to a passage P and has a housing 1 extending in a direction orthogonal to the passage and a housing thereof. It has a sliding door 2 which is housed so that it can be freely put in and taken out, blocks the passage when it is pulled out, and opens the passage when stored.

On the side opposite the housing 1 with respect to the passage,
A child door 3 with which a tip portion (door tip portion) of the sliding door 2 moved to the closed position collides is attached to a gate post 4 by a hinge 5 so as to be openable and closable. A rail for running the sliding door is not provided in the passage P between the housing 1 and the child door 3.

The child door 3 is normally fixed in the closed position by a lock 6 as shown in FIGS. However, in relation to the gist of the present invention, the child door 3 may be a fixed type that is not opened and closed, and the door end portion of the sliding door with the gate post 4 closed without the child door 3 is in contact with the child door 3. Thus, instead of the gate post 4, an end portion of the fence may be provided.

[Structure of Sliding Door] First, the detailed structure of the sliding door 2 will be described. The sliding door 2 has a structure that can be housed in the housing 1 and can be pulled out from the housing to block the passage P. Door end side vertical frame 7 even when stored
Is projected to an extent that at least a pulling force can be applied by hand from an inlet / outlet opening on the passage side of the housing 1. However, when the sliding door is configured to be opened and closed by a power means such as a motor (not shown) provided in the housing, it is not necessary to project the door end side vertical frame 7 from the entrance / exit when fully opened.

An upper support device 10U, which is one of the components of a support mechanism for supporting the sliding door in the housing 1 so that the sliding door can be pulled out, is provided at the upper end of the vertical frame 8 on the side of the door end of the sliding door 2. As shown in FIG. 6, the upper support device 10U includes a holder 14 fixed to a horizontal wall 11a of a mounting member 11 made of steel having a U-shaped cross section with a bolt 12 and a nut 13 on the horizontal wall 11a. A pair of front and rear suspension wheels 9
, Which are joined together by a common axle 15, are rotatably supported in two sets in the front and rear, and at the other end of the mounting member 11, a pair of front and rear upper guide rollers 16U are attached to the horizontal wall 11a of the mounting member. A part of the outer periphery is rotatably attached in a state of protruding outward from the vertical walls 11b at the front and rear of the attachment member 11.

In the upper supporting device 10U, the upper end of the door-end side vertical frame 8 of the sliding door 2 is fitted inside one end of the groove of the lower opening of the mounting member 11, and as an example, the front and rear vertical walls of the mounting member. 1
By screwing a screw (not shown) into the hole 11c provided in 1b from the outside of the vertical wall, the other end of the mounting member 11 is fixed in a state of protruding rearward from the rear end of the sliding door 2. .

In FIG. 6, reference numeral 17 is a tongue piece for pivotally attaching one end portion of one arm 44a of the first frame body of the diamond-shaped frame 43 which constitutes a closing force reducing mechanism described later, It is fixed to the horizontal wall 11a on the other end side of the mounting member 11 by welding or screws, and is hung downward.
A hole 18 is provided for pivotally mounting 4a.

A lower attachment device 10L is attached to the lower end of the vertical frame 8 on the side of the trailing edge of the sliding door 2. The lower mounting device 10L is for mounting the lower guide roller 16L of the sliding door, and as shown in FIG.
Mounting member 11 having the same shape as mounting member 11 of 0U
E is rotatably attached to the lower end side of the horizontal wall 11a at the other end of the guide roller 16L so that the groove is opened upward and a part of the outer peripheral surface of the guide roller 16L projects outward from the vertical wall 11c. Is configured. And the mounting member 1
The hole 1 provided in the vertical wall 11b of the mounting member is formed by fitting the lower end portion of the door end side vertical frame 8 of the sliding door 2 into the groove on the other end side of 1E.
1c through the screw from the outside, screw it into the sliding door,
The other end of the mounting member 11E is fixed to the sliding door 2 with the other end side of the mounting member 11E protruding rearward of the sliding door.

The rear end portion of the sliding door 2, that is, the door end side vertical frame 8
As shown in FIG. 3, a built-in adjusting member 19 for adjusting a built-up state of the sliding door 2 with respect to the housing 1, in particular, a vertical level, is attached thereto. This built-in adjustment member 19
Is made of extruded steel or aluminum with a U-shaped cross section having a groove on the sliding door side, and has a length almost equal to the height of the sliding door 2, and the vertical frame 8 of the sliding door 2 at the upper end of the groove. The support piece 20 provided on the upper part of the
9 and the support piece 20 are swingably attached via a support shaft 21 penetrating in the front-rear direction, and the door end side vertical frame 8 is attached to the lower end of the groove.
The block 22 protruding from the lower part of the block 22 is fitted, and the adjusting bolt 23 screwed from the rear surface of the built-in adjusting member 19 is screwed toward the block 22. By adjusting the amount of screwing of the adjusting bolt 23, the sliding door 2 The angle of the back surface of the building adjustment member 19 with respect to the rear end surface can be adjusted. The built-in adjusting member 19 includes a pressing roller 42 provided at the tip of the arm of the closing mechanism, which will be described later, and a pressing roller 50 provided at the tip of the arm of the closing force reducing mechanism 43, which is always on the rear end surface of the sliding door. It is for adjusting the angle so as to abut.

[Construction of Housing] The housing 1 is
A front frame 24 that is formed in a thin box shape and also serves as a pillar that is erected on the ground on the side of the passage P, a rear frame 25 that also functions as a pillar that is erected on the ground on the side opposite to the passage, and an upper end portion of the front frame 24. And the upper frame 2 which is bridged and connected between the upper end of the rear frame 25 and
6 and a lower frame 27 which is bridged between the front and rear frames 24 and 25 at a position slightly above the ground of the front frame 24 and the rear frame 25 and which also serves as a lower guide rail.

The front frame 24, as shown in FIGS.
It has a hollow portion 24a for providing a required strength and an L-shaped bent wall 24c forming a groove 24b for attaching a guide roller, and is composed of a pair of front and rear symmetrical front frame members 24L, 24R. ing. As shown in FIG. 5, the upper ends of the pair of front frame members 24L and 24R are joined to the upper frame 26, and
In the lower part of the pair of front frame members, in the state of being connected by the support member 28, an inlet / outlet port 29 for the sliding door 2 is formed on the front end face of the housing 1 facing the passage P.

A guide roller 30 is provided in the groove 24b of each front frame member 24.
A holder 31 that rotatably holds the guide roller 30 is fixed, with a part of the outer peripheral surface of the guide roller 30 protruding from the bending wall 24c to the inlet / outlet port 29. Guide roller 3
The protrusion amount of 0 can be adjusted by the adjusting screw 32.

The rear frame 25 is made of an extruded aluminum profile having one or a plurality of hollow portions so as to have a required strength, and has a width substantially equal to that of the front frame 24. After that, a supporting member 33 is fixed to the lower part of the surface of the frame 25 facing the front frame 24. Then, an upper opening U-shaped lower guide rail 27 extending between a support member 28 attached to the front frame 24 and a support member 33 attached to the rear frame 25 is suspended on the upper surfaces of both support members, and as an example, at the bottom thereof. It is fixed to each support member by screwing.

The upper frame 26 is, as shown in FIG. 3, a front frame 24.
Between the upper end surface of the rear frame 25 and the upper end surface of the rear frame 25, and are connected by a known connecting means such as a bracket and a screw or a corner block and a screw. Then, as shown in FIG. 5, the upper frame 26 has one or a plurality of hollow portions 34a and 34b in order to have a required strength, and the hoisting wheel 9 is rolled at the center of the lower frame width direction of the upper frame. Upper guide rail 35 for movably supporting
Are formed. The upper guide rail 35 includes a recess 35a into which the suspension wheel 9 of the upper mounting device 10U mounted on the sliding door 2 can be fitted, and a support plate 35b protruding from both sides of the bottom surface of the recess toward the center. Guide walls 3 that hang down below the lower surface of the upper frame on both sides of the recess
5c and.

With the above construction, the sliding door 2 fits the suspension wheel 9 onto the upper guide rail 35 in a rollable manner, fits the upper guide roller 16U between the guide walls 35c, and guides the upper portion. A part of the outer peripheral surface of the roller 16U is brought close to the guide wall 35c, and further, the lower guide roller 16L is fitted in the groove of the lower guide rail 27, and is constituted by walls on both sides of the groove of the lower guide rail 27. The rear end of the sliding door 2 is inserted into the housing 1 through the access port 29 in a state of being brought close to the guide wall.

The front and rear surfaces of the front frame 24 and the rear frame 25 of the housing 1 (on the inside and outside of the site) are shown in FIG.
~ As shown in FIG. 10, panels 36i and 36o, respectively
Is installed. These panels are provided to prevent outsiders from touching the sliding door closing mechanism described later. And both panels 36i and 36o and the upper frame 2
6, the front and rear frames 24 and 25, and the lower frame 27 form a storage space 37 for storing the sliding door in an openable and closable manner therebetween.

An upper frame cover member 38 is fitted at a position closer to the front or rear of the upper guide rail 35 of the upper frame 26, below the hollow portion 34b on the right side in FIG.
It is attached by 8a and screwing 38b.
The cover member 38 is formed in a groove shape, and the size and the length thereof are set so that the cover member 38 has the same appearance as the opposite side portion of the upper frame 26 in a state where the cover member 38 is attached. Then, in the groove at the intermediate position in the longitudinal direction of the cover member 38, as shown in FIG.
The door closer 39 is housed and fixed at a predetermined position by screwing 39a or the like. The door closer 39 has a horizontal rotary shaft 40, and the upper end of an arm 41 is coupled to the rotary shaft 40. The arm 41 is rotatably provided around a rotary shaft 40 along a vertical surface that is closer to the outside than the moving surface when the sliding door 2 is opened and closed, and a pressing roller 42 rotatable around a horizontal axis is provided at the tip of the arm 41. It is provided. Door closer 39 having rotating shaft 40 and arm 4
1 and the pressing roller 42 constitute a closing mechanism.
The rotating shaft 40 is given a rotational force in a fixed direction by an urging means (not shown) such as a coil spring or a gas spring provided in the door closer 39, and the pressing roller 42 is moved by the pressing roller 42 via the arm 41. The rear end surface of the sliding door 2, more accurately, the back surface of the building adjustment member 19, is always pushed in the sliding door closing direction with a constant force (f1). Further, the arm 41 has a length such that the pressing roller 42 can press the substantially central portion in the height direction of the rear end portion of the sliding door in the closed position.

Of the sliding door accommodation space 37 of the housing 1,
At a portion between the rear end surface of the sliding door 2 and the rear frame 25 of the housing, a closing force reducing mechanism 43 configured by a diamond frame (pantograph) is provided. The closing force reducing mechanism 43 includes a first frame body 44 formed by pivotally connecting (44c) two arms 44a, 44b in a V shape, and the other two arms 45a, 45.
A second frame body 45 in which b is pivotally attached (45c) in an inverted V shape.
And the arms 44a and 45a of both frames are pivoted at their intermediate portions (46), and the other arms 44b and 45b of both frames are pivoted at their intermediate portions (47). ) Is configured. In this way, the closing force reduction mechanism 43 has a parallelogram four-bar mechanism structure, and is expandable / contractable along the moving direction when the sliding door is opened and closed.

Then, one arm 4 of the first frame body 44
The tip of 4a is pivotally attached (47) to the tongue piece 17 fixed to the mounting member 11 of the upper supporting device 10U, and the tip of the other arm 44b of the second frame body 44 is the rear frame of the housing 1. It is pivotally attached (49) to a tongue piece 48 joined inside the sliding door housing space 37 near the upper end of 25. Further, the pressing roller 50 that contacts the rear end surface of the sliding door 2, more accurately, the rear end surface of the sliding door 2 and, more accurately, the rear end surface of the sliding door 2 at the tip of one arm 45a and the tip of the other arm 45b of the second frame body 45, respectively. A pressing roller 51 that comes into contact with the surface of the rear frame 25 that faces the sliding door housing space 37 is rotatably provided.

Each arm 44a, 4 of the closing force reducing mechanism 43
4b; a45a and 45b have the same length, and the first frame body 44 and the second frame body 45 are connected to the above-mentioned respective positions 4
4c, 45c, 46, 47, the rhombus frame acts as a parallelogram four-bar mechanism, and in association with the suspension wheel 9 moving along the upper guide rail 35, it supports the upper portion. The pivot point 47 between the tongue piece 17 and the one arm 44a of the first frame body 44 via the device 10U is fixed to the upper guide rail 3.
When moving along 5, the sliding door pressing roller 50 of the closing force reducing mechanism 43 always keeps one of the tongue piece 17 and the first frame body 44 at any position in the sliding door moving direction. Existing vertically below a pivot point 47 with respect to the arm 44a.

The first frame 44 is V-shaped,
The tip of the first arm 44a is pivotally attached to the upper rear end of the sliding door, and the tip of the second arm 44b is pivotally attached (49) to the upper end of the rear frame 25. A force (f2) in the opening direction is constantly applied to the sliding door 2. Also, the second
Since the frame body 45 of FIG. 1 applies gravity to the intermediate portion of the first frame body 44, one arm 44a of the first frame body 44 always applies a force (f3) in the opening direction to the sliding door 2. ing. After all, the closing force reducing mechanism applies a force of (f2 + f3) in the opening direction to the sliding door 2. However, the force (f1) in the closing direction by the arm 41 of the door closer 39 is set to be slightly larger than the force (f2 + f3) in the opening direction.
The weights of 4a, 44b; 45a, 45b are determined. In other words, the closing force reducing mechanism is provided to reduce the force in the closing direction by the door closer 39 of the closing mechanism. Therefore, the sliding door is closed at a slow speed.
The door closer 39 preferably has a known rotation speed adjusting function.

The above-mentioned force relationship in the opposite directions {f1>
By (f2 + f3)}, when no external force is applied to the sliding door 2 existing in the open position in FIG. 2, the sliding door 2 is automatically closed at a slow speed. If a known locking device is provided at the door end of the sliding door and the child door 3 or the gate pole, the closed sliding door can be locked. vice versa. When a force in the opening direction is applied to the sliding door in the closed position, the force in the opening direction is slightly larger than the force corresponding to the difference between the force in the closing direction f1 and the force in the opening direction (f2 + f3), regardless of the weight of the sliding door. If you add only to the sliding door, you can easily start opening the sliding door, and if you continue that force until the door-end side frame 7 of the sliding door reaches the entrance 29 of the housing 1, the sliding door can be fully opened. it can.

When the sliding door 2 is opened, the suspension wheel 9 rolls inward of the housing 1 along the upper guide rail 35 of the upper frame 26, and the upper guide roller 16U guides the upper frame 26. While the sliding guide 2 is brought into contact with either one of the facing surfaces of the wall 35c and the lower guide roller 16L is brought into contact with any one of the facing surfaces of the guide walls of the lower guide rails 27 and guided, the sliding door 2 is moved to the housing 1. And moves in the sliding door storage space 37 toward the rear end of the housing. Further, since the upper and lower guide rollers 30U, 30L partially exposed to the entrance / exit 29 on both front and rear sides contact and rotate on both sides of the moving sliding door 2, the sliding door can move smoothly in the opening direction. it can. Further, the arm 41 of the door closer, which constitutes the closing mechanism, increases in the amount of accommodation of the sliding door 2 in the housing 1, and as shown in FIG.
At the same time, the rotation angle in the clockwise direction increases, and in parallel with this, the arms 44a, 44b;
a and 45b are the respective pivot points (44c, 45c, 4
6, 47, 47, 49) and shortened, and the sliding door is completely opened, the positional relationship between the sliding door 2, the door closer arm 41, and the closing force reducing mechanism arms is as shown in FIG. The state becomes as shown in. That is, the door closer arm 41 has the pressing roller 42 at the lower end thereof.
Still pushes the rear end surface (the rear surface of the building adjustment member) of the sliding door 2 in the closing direction, and the arms 44a, 44 of the opening mechanism are pressed.
b; 45a and 45b are accommodated in the remaining space between the rear end surface of the sliding door 2 and the rear frame of the housing 1 in the most shortened state.

A force in the closing direction is always applied to the sliding door 2 from the closing mechanism (39 to 42). Therefore, when nothing is made, when the hand is released from the open sliding door, it immediately moves slowly in the closing direction. On the other hand, a locking mechanism is provided between the housing 1 and the sliding door 2 in response to the case where it is desired to stop the fully opened sliding door at that position. The locking mechanism is a mechanism that locks the opened sliding door 2 with a force that allows the sliding door 2 to be easily released and moved when a force in the closing direction is applied to the sliding door.

11 and 12 show an example thereof. The locking mechanism 52 is a catch 52a formed by urging a pair of nipping rollers to the tip of a mounting member 11E of a lower mounting device 10L for a sliding door by urging the pair of nipping rollers in a direction in which their outer peripheral surfaces approach each other.
And is mounted near the upper end of the rear frame 25 of the housing so as to project in the direction opposite to the moving direction when the sliding door is opened, and is pushed into the gap between the pair of nipping rollers of the catch 52a when the sliding door 2 is fully opened. It is composed of a catch receiver 52b. With the above configuration, when the sliding door moves to the fully open position, the catch 52a captures the catch receiver 52b against the force of the door closer 39 in the closing direction, so that the sliding door is held at the fully open position as shown in FIG. .

FIG. 13 shows another example 52E of the locking mechanism.
This locking mechanism utilizes the point that a pair of front and rear suspension wheels 9 are provided. That is, the locking plate 52d which is formed of a thin elastic plate and has a downwardly convex chevron 52c at an intermediate position at the bottom of the concave portion of the upper guide rail 35 of the upper frame 26.
Is fixed to a position where the convex portion can be fitted into the concave portion formed between the pair of front and rear suspension wheels 9 of the sliding door 2 which has reached the fully opened position. Accordingly, when the sliding door is moved to the fully open position, the convex portion 52c of the locking plate elastically fits into the concave portion between the pair of front and rear suspension wheels 9, and the sliding door 2 is stopped.

In the above-described embodiment, the door closer 39 is provided in the middle portion of the upper frame 26 of the housing 1, and the pressing roller 42 is attached to the lower end portion of the door closer arm 41.
, And the arm 41 is rotated in the counterclockwise direction to urge the sliding door 2 in the closing direction. However, as shown in FIGS. 14 and 15, the door closer 39 includes the lower frame 27 of the housing.
Even when the door closer arm 41 is provided in the middle portion of the above and is configured to urge the sliding door 2 in the closing direction by rotating the door closer arm 41 in the clockwise direction, the same operational effect as that of the above-described embodiment can be obtained. However, if a door closer is installed on the lower frame, it is necessary to take measures to prevent it from being affected by rainwater.
If it is provided on the upper frame, there is an advantage that no special measures are required.

In the gate according to the present invention, the closing force by the closing mechanism is set to be slightly larger than the opening force by the closing force reducing mechanism, so that when the hand is released from the opened sliding door, the sliding door automatically closes. , A motor is provided in the housing, and a rack is provided in the sliding door, and a pinion with a one-way clutch fixed to the rotation shaft of the motor is engaged with and fitted to the rack, and the rotational force of the motor is reduced by the closing force of the sliding door 2. That is, if the opening force is applied to the sliding door by slightly increasing the difference between the closing force of the closing mechanism and the opening force of the closing force reducing mechanism, not only the closing but also the opening can be automated.

On the other hand, by setting the closing force of the closing mechanism to be slightly smaller than the opening force of the closing force reducing mechanism, it is possible to automatically open the sliding door when the sliding door in the closed position is released. Further, when the closing force by the closing mechanism and the opening force by the closing force reducing mechanism are equalized, the sliding door can be easily opened or closed by applying a small opening or closing force to the sliding door. Therefore, an inexpensive reversible motor with a small output can be used as a power unit to form an automatic opening / closing gate.

The first invention has a structure in which the closing force reducing mechanism is removed from the above embodiment and only the support mechanism and the closing mechanism are provided. However, the door closer of the second invention is used as it is. Instead, it is desirable to appropriately reduce the rotational force or rotational speed of the door closer to set the closing force and moving speed of the sliding door at the time of closing to the optimum values.

[0043]

As described above, according to the invention of claim 1, the sliding door is movably supported between the position where the housing is accommodated in the housing to open the passage and the position where the sliding door is pulled out from the housing and closes the passage. Since it is equipped with a support mechanism that operates and a closing mechanism that includes a door closer that constantly applies a force in the closing direction to the sliding door, when the force is removed from the opened sliding door or the sliding door is in the open position without using an electric drive means. It is possible to provide a non-rail type gate that automatically closes when a starting force in the closing direction is applied.

According to the second aspect of the present invention, the sliding door is provided with a support mechanism that movably supports the sliding door between a position where the sliding door is housed to open the passage and a position where the sliding door is pulled out from the housing and closes the passage. A closing mechanism consisting of a door closer that constantly applies a force in the closing direction, and one end is pivotally attached to the upper rear end of the housing and the other end is pivotally attached to the trailing end of the sliding door, and the descending force due to its own gravity. Since it has a closing force reducing mechanism that converts the force in the opening direction of the sliding door and gives it to the sliding door, the closing force by the closing mechanism and the opening force by the closing force reducing mechanism are equalized, or one of them is more than the other. It is possible to provide a non-rail type gate that can be easily opened and closed by an inexpensive motor with a small output, or a non-rail type gate that automatically closes or opens when the sliding door is released. Kill. When the closing force by the closing mechanism is set to be slightly larger than the opening force by the closing force reducing mechanism, it automatically closes gently when closing, compared with the case where only the closing mechanism is provided. It is possible to provide a non-rail type automatic gate that can easily open a sliding door with a small force corresponding to a slight difference from

According to the fifth aspect of the present invention, the closing mechanism has a door closer attached to an upper frame or a lower frame forming a sliding door accommodating space of the housing, and a base end thereof is fixed to a rotary shaft of the door closer. A pressing roller slidably abutted on the rear end surface of the sliding door is provided at the tip, and the rear end surface of the sliding door is fixed with a constant force through the pressing roller by the rotational force of the rotating shaft of the door closer. Since the door closer is composed of an arm that urges in the closing direction of the sliding door, the door closer exerts a force in the closing direction on the intermediate position of the rear end of the sliding door through the arm and the pressing roller. Is improved and the movement is smooth when closed.

According to the sixth aspect of the invention, in the closing force reducing mechanism, the other end of the arm is pivotally attached to the upper end of the rear end of the sliding door, and the arm is pivotably attached to the upper end of the rear end in the housing. A first frame body having the other end thereof pivoted below a straight line connecting the ends of the both arms in the housing, and a pressing roller having one end slidably abutting the rear end surface of the sliding door. The other end of the arm provided with the first frame body in the housing and the other end of the arm provided with a pressing roller slidably in contact with the inner surface of the rear end of the sliding door housing space of the housing. Since the second frame body pivotally attached above the pivot point of is composed of a rhombus frame pivotally attached to the middle part of each arm of each frame body, Since the closing force of the closing mechanism is diminished, the sliding door may close suddenly. In addition, the sliding door is kept stable by the arm of the door closer and the arm that presses the rear end surface of the sliding door of the two frame bodies of the diamond frame and the arm that presses the rear end inner surface of the housing in the housing. It can be opened and closed smoothly while maintaining the vertical posture.

According to the invention of claim 7, the support mechanism includes a guide rail provided at an upper portion of the housing, an attachment member extending rearward from an upper portion of a rear end of the sliding door and attached.
From a suspension wheel mounted on the mounting member and rotatably fitted to a guide rail provided on the upper part of the housing, and a guide roller mounted on the mounting member and abutting and guided by the guide rail. Since it is configured to have the above upper support device, the suspension wheel and the guide roller can be easily attached, and the arm of the support mechanism can be easily connected to the sliding door.

According to the invention of claim 8, the closing force reducing mechanism can be easily connected to the sliding door.

According to the invention of claim 9, in addition to the upper support device, the support mechanism is a guide rail provided in the lower part of the housing, and an attachment that is attached so as to extend rearward from the lower rear end of the sliding door. Since it also has a lower support device including a member and a guide roller attached to the mounting member and abutting and guiding the guide rail, support stability of the sliding door with respect to the housing is improved, and opening / closing of the sliding door is prevented. Become smooth.

According to the invention of claim 10, a built-in adjusting member extending in the height direction of the sliding door is attached to the rear end of the sliding door so that the inclination angle can be adjusted, and the closing mechanism is pressed against the back surface of the built-in adjusting member. Since the roller and the pressing roller of the closing force reducing mechanism are brought into contact with each other, according to the standing accuracy of the housing, the building accuracy of the sliding door, or the assembling accuracy of the closing force reducing mechanism,
By adjusting the vertical level of the rear end face of the sliding door, the contact state of the pressing roller of the closing mechanism and the closing force reducing mechanism with the rear end face of the sliding door can be optimized.

[Brief description of drawings]

FIG. 1 is a front view of a non-rail type automatic gate device according to the present invention in a sliding door closed state.

FIG. 2 is a front view of the same with the sliding door open.

FIG. 3 is a front view showing a configuration of the housing by removing a panel of the housing and a positional relationship in a sliding door closed state.

FIG. 4 is a front view showing the positional relationship in the same sliding door open state.

5 is a cross-sectional view taken along the line AA of FIG.

FIG. 6 is a development view of an upper support device.

FIG. 7 is a development view of a lower support device.

FIG. 8 is a sectional view taken along line BB of FIG.

9 is a sectional view taken along the line CC of FIG.

10 is a cross-sectional view taken along the line D-D in FIG. 3 in a sliding door open state.

FIG. 11 is a cross-sectional view showing an example of a sliding door locking mechanism.

FIG. 12 is a front view of the same.

FIG. 13 is a vertical cross-sectional view showing another example of the sliding door locking mechanism.

FIG. 14 is a front view showing a closed state of a sliding door according to another embodiment with a panel of a housing removed.

FIG. 15 is a front view of the same when the sliding door is open.

[Explanation of symbols]

1 housing 2 sliding doors 9-16 Support mechanism 9 suspension car 10U upper support device 16U guide roller 17 tongue 10L lower support device 16L guide roller 24 front frame 25 rear frame 26 Upper frame 27 Lower frame (lower guide rail) 29 entrance / exit 30U, 30L guide roller 35 Upper guide rail 39-42 Closure mechanism 39 door closer 40 rotation axis 41 Arm 42 Pressing roller 43 Closing force reduction mechanism (diamond frame) 44, 45 frame 44 First frame 45 Second frame 50,51 pressing roller 52, 52E locking mechanism 52a catch 52b catch catch 52c convex part 52d locking plate

Claims (10)

[Claims] 1. A guide rail provided in a housing movably supports a sliding door between a position in which the housing is accommodated to open a passage and a position in which the housing is pulled out from the housing to close the passage. A non-rail type gate comprising: a support mechanism; and a closing mechanism that is provided in the housing and includes a door closer that constantly applies a closing direction force to the sliding door. 2. A sliding door is movably supported by a guide rail provided in the housing, between a position where the sliding door is housed in the housing to open the passage and a position where the sliding door is pulled out from the housing and closes the passage. A support mechanism, a closing mechanism that is provided in the housing and includes a door closer that constantly applies a closing direction force to the sliding door, and a closing mechanism that is provided in the housing, one end of which is pivotally attached to the upper rear end of the housing, and the other end of which is And a closing force reducing mechanism which is pivotally attached to a door bottom portion of the sliding door and converts a descent force due to its own gravity into a force in the opening direction of the sliding door and gives the sliding door a closing force. Non-rail type gate. 3. The non-rail type gate according to claim 2, wherein the force in the closing direction by the closing mechanism and the force in the opening direction by the closing force reducing mechanism are made equal to each other. 4. The non-rail type gate according to claim 2, wherein one of the force in the closing direction by the closing mechanism and the force in the opening direction by the closing force reducing mechanism is set to be larger than the other. 5. The closing mechanism includes a door closer attached to an upper frame or a lower frame forming a sliding door housing space of a housing, a base end thereof fixed to a rotary shaft of the door closer, and a front end of the door closer to a rear end surface of the sliding door. A pressing roller that is slidably abutted, and the rear end surface of the sliding door is urged by the rotating force of the rotating shaft of the door closer in the closing direction of the sliding door through the pressing roller. The non-rail type gate according to any one of claims 1 to 4, wherein the non-rail type gate comprises: 6. The closing force reducing mechanism has the other end of the arm pivotally attached to the upper rear end of the sliding door and the other end of the arm pivotally attached to the upper rear end of the housing in the housing. The other end of the arm having a first frame body pivotally attached below a straight line connecting the ends of the arms, and a pressing roller slidably in contact with the rear end surface of the sliding door at one end. And the other end of an arm having a pressing roller slidably in contact with the inner surface of the rear end of the sliding door housing space of the housing at one end above the pivot point of the first frame in the housing. 3. The non-rail according to claim 2, characterized in that the second frame body pivotally attached to each other is constituted by a diamond-shaped frame pivotally attached to the middle portion of each arm of each frame body. Expression gate. 7. The support mechanism includes a guide rail provided on an upper portion of the housing, an attachment member extending rearward from an upper portion of a rear end of the sliding door, and an attachment member attached to the attachment member to an upper portion of the housing. It has an upper support device including a suspension wheel that is rotatably fitted to a provided guide rail, and a guide roller that is attached to the mounting member and is guided by contacting the guide rail. The non-rail type gate according to claim 1. 8. The non-rail type gate according to claim 7, wherein the attachment member of the support mechanism is provided with a tongue piece pivotally attaching one end of the arm of the first frame of the closing force reducing mechanism. . 9. The support mechanism further includes a guide rail provided at a lower portion of the housing, an attachment member extending rearward from a lower rear end of the sliding door, and the guide attached to the attachment member. The non-rail type gate according to claim 7, further comprising a lower support device including a guide roller that abuts and guides the rail. 10. A built-in adjustment member that extends in the height direction of the slide door is attached to the rear end of the slide door so that the tilt angle can be adjusted, and the pressing roller of the closing mechanism or the closing mechanism is attached to the back surface of the built-in adjustment member. The non-rail type gate according to claim 5 or 6, wherein the pressing roller and the pressing roller of the closing force reducing mechanism are in contact with each other.