JPH01250584A - Sliding door system - Google Patents

Abstract

PURPOSE:To enable the construction of a sliding door by mounting a buffer as an integral part of the sliding door on the upper part thereof capable of running and hanging on a rail having a sunken section on one end thereof and giving a low tilt more or less to the other end, and giving buffer action in case the sliding door is closed. CONSTITUTION:A rail body 1 having a sunken section 3 on one end thereof is mounted on a frame body (A) so as to give a low tilt more or less to the other end. After that, a sliding door 2 having wheels 9a and 9b on the upper end thereof and mounting a buffer 13 (an air cylinder which can adjust air flow) as an integral part of the sliding door on the upper part thereof is hung on the rail body 1. An impact buffer piece 22 is placed on a specific position of a side wall (B) corresponding to a absorbing piece 21 of the buffer 13. In addition, the buffer 13 is such that air flow can be adjusted by a screw 18. Accordingly, the mounting work of the sliding door is easily executed.

Description

[Detailed description of the invention] Industrial applications The present application relates to a sliding door device used as a fitting for furniture.

BACKGROUND OF THE INVENTION Conventionally, wheels provided at the front and back positions of the upper part of a sliding door are engaged with a rail body provided at the upper part of the door side so as to be able to travel freely, and the rail body is arranged so that its front end is slightly lower than its rear end. a falling part is formed at the rear end thereof to be inclined in the direction opposite to the direction of inclination, and an abutment piece is provided on the sliding door side, and an abutment piece is provided on the doorway side so that the abutment piece collides with the abutment piece when the sliding door is closed. A sliding door device which is provided with buffer bodies which together provide a buffering effect is known, for example, from Japanese Utility Model Application Publication No. 59-147870.

Problem to be Solved by the Invention According to the above-mentioned known sliding door device, when the sliding door is in the open state, the wheels provided at the front and rear positions of the sliding door have
Rolling forces in opposite directions act, and by balancing the rolling forces or slightly increasing the rotational force on the depressed part side, the sliding door is held in the open state, and from this state the sliding door is pulled in the closing direction. After one wheel crosses the depression, the sliding door automatically moves and closes due to the inclination of the rail, so consider the weight of the sliding door and the installation location of the sliding door device. Therefore, it is necessary to adjust the angle when installing the rail body.

However, conventionally known sliding door devices have a configuration in which the rail body and the buffer body are separated and installed at an upper position on the doorway side, so when the angle of the upper rail is adjusted,
Accordingly, the position of the shock absorber must be adjusted, and the installation and operation must be performed individually, which is inconvenient for the construction of sliding door devices. Since installation requires space, there is an inconvenience that the height of the doorway is restricted.

Therefore, the present application aims to eliminate the above-mentioned inconvenience.

Means for Solving the Problems In order to achieve the above-mentioned object, the present application provides a sliding door having wheels at the front and back positions of the upper part, and a sliding door which is provided at the upper position of the doorway and whose front end in the longitudinal direction is the rear end. a rail body that is inclined to be slightly lower and has a depressed portion at its rear end that is inclined in a direction opposite to the direction of inclination, and engages the wheel in a freely running manner; and an abutment piece provided on the doorway side. and a buffer body that is integrally attached to the sliding door and abuts against the abutting piece to provide a buffering effect when the sliding door is closed, and in the above, the buffer body is installed on the inner surface of the sliding door. A shock absorber or shock absorber is installed in a concave portion provided at the upper end of the sliding door. Further, in the above, the buffer body is composed of a cylinder case, a piston rod having a sealing piece at the inner end,
It consists of a control part having a flow hole that allows air to flow inside and outside the cylinder case, and has a magnet on one of the abutment piece or the outer end of the piston rod, and an adsorption piece on the other side. , air m1f in the flow hole of the control section
The amount of fi can be adjusted by external operation.

Function: When the sliding door is pulled in that direction from the closed state of the door, the wheels at the upper front and rear positions of the sliding door run while being guided by the rail body and move toward the end of the door.
When the abutment piece and the abutment body separate and the sliding door reaches its final position, the rear wheels fall into the depressed part of the rail body, and in this state, the front wheels and the rear wheels conflict with each other. The opening state of the sliding door is maintained by balancing the rolling force or by slightly increasing the rolling force acting on the rear wheels.

Next, from this open state, when the sliding door is pulled in the closing direction and the rear wheels pass over the depressed part of the rail body, rolling force in the same direction acts on both axles, and the sliding door automatically closes. When the sliding door moves in the closing direction of the door, the abutting piece and the buffer body collide with each other and receive a buffering effect, and the sliding door enters the closed state.

In the above, the buffer body is composed of a cylinder case, a piston rod having a sealing piece at the inner end, a control part having a circulation hole that allows air to flow inside and outside the cylinder case, Or, when the piston rod has a magnet on one of the outer ends and a suction piece on the other, when the sliding door moves in the opening direction, the piston rod is moved in the protruding direction due to the attraction between the magnet and the suction piece. During the opening of the sliding door, the piston rod reaches its maximum protrusion length and is released from the suction state.

Further, while the sliding door is moving in the closing direction, the magnet and the attraction piece collide and attract each other. Then, due to the collision action, the air inside the cylinder case is temporarily strongly compressed, and then
It is slowly released from the flow hole of the control section to the outside, and the sliding door slowly moves in the closing direction.

In addition, when the amount of air flowing through the flow hole of the control section can be adjusted by external operation, the amount of air flowing through the flow hole can be adjusted according to the weight of the sliding door or the inclination angle of the door member.

Embodiment The embodiment of the present application will be described in detail with reference to the drawings below. (1) is a rail arranged within the frame A forming the upper part of the door with a length approximately twice the moving width of the sliding door (2). This rail body (1) has a front end (1) a and a rear end (1) b.
It is inclined to be slightly lower than the rear end (1
) b is integrally formed with a depressed portion (3) that is inclined in the opposite direction to the inclination direction, that is, backward. A vertical mounting piece (4) for mounting the rail body (1) to the frame A is provided at the side end of the rail body (1), and the vertical inner surface of the rail body (1) has a plate thickness that gradually increases upward. Slope a to become thicker
This mounting piece (4) is provided with reduced length mounting holes (5) at required locations in the longitudinal direction. (6) is a piece whose one side is inclined in the vertical direction, and when the inclined surface is overlapped with the vertical inner surface of the mounting part (4), the mounting bolt (7) is attached.
By penetrating the rail body (1) to the frame body A.
is mounted so that its vertical position can be adjusted and withstand vertical loads. (8)a and (8)b are the sliding doors (2)
) is an L-shaped support piece provided at the front and back positions of the upper part of the support piece (8). ) a, (8)
The horizontal lower surface of b is connected to the sliding door (2) through the intervening piece (10).
The shoulder wheel (9)a is attached to the upper part of the shoulder wheel (9)a by the thickness of the intervening piece (10).

(9) The horizontal state of the sliding door (2) when b is slidably engaged with the rail body (1) is adjusted. (13) indicates a buffer consisting of an air cylinder attached to the upper part of the inner surface of the sliding door (2) via a mounting band (14) so as to be almost horizontal with the rail body (1); As shown in FIG. 5, the cylinder (13) has a cylinder case (
15) includes a piston rod (17) having a sealing piece (16) at the inner end, and an external adjustment mechanism 18) to vary the opening degree of the flow hole (19) to allow air to flow in and out. The piston rod (17) has a suction piece (21) at the outer end of the piston rod (17).
) is provided.

B indicates a side wall forming the side end of the sliding door (2) in the closing direction, and the side wall B is located at a position where the tip of the piston rod (17) is directed, that is, a position where the tip of the biston rod (17) abuts. , a magnet (23) that attracts the attraction piece (21) is attached.

Although not shown, a guide frame may be provided at the bottom of the doorway to prevent the sliding door (2) from swinging in the plane direction, but as shown in FIG. An extending concave groove (24) is provided, and the concave groove (24) is provided at the bottom of the doorway.
24) A guide piece (26) is provided with a trochanter (25), which engages with the inside, attached to its upper end so as to be horizontally rotatable.

When the sliding door (2) is pulled in the direction of arrow A from the closed state of the door shown in Fig. 1, the wheels (9)a and (9)b run while being guided by the rail body (1), and the wheels (9)a and (9)b run while being guided by the rail body (1), and the end Move to the position, and in the middle of the movement, magnet (2
Since the suction piece (21) is suctioned to 3), the piston rod (17) is pulled out in the projecting direction, and when it is pulled out to the maximum, the suction state is released. On the other hand, when the sliding door (2) reaches the terminal position, the second
As shown in the figure, the rear wheel (9)b falls into the depressed part (3) of the rail body, and in this state, the front wheel (9)a and the rear wheel (9)b move in opposite directions. The rolling force of
The open state of the sliding door (2) is maintained by this balance or by slightly increasing the rolling force of the rear wheels (9)b.

Next, from the open state shown in FIG. 2, pull the sliding door (2) in the direction of the arrow so that the rear wheels (9)b
), both wheels (9) a.

(9) A rolling force in the same direction acts on b, and the sliding door (2) automatically moves in the direction of closing the door, and during that movement, the magnet (23) collides with the adsorption piece (21). and absorb it. Then, due to this collision action, the cylinder case (15)
After the air inside is temporarily strongly compressed, it is slowly released to the outside from the circulation hole (19), and the sliding door (2) also slowly moves in the closing direction. In this way, the sliding door (2) closes the doorway as shown in FIG.

By operating the adjustment screw (18), the amount of air flowing through the flow hole (19) is varied to adjust the degree of 11 degree and closing speed of the sliding door (2).

6, 7, 8, and 9 show other embodiments of the present application, and the difference from the above embodiment is that the air cylinder (13) in the first embodiment is replaced with the sliding door (2). In this case, there is a concave part (30
), and a groove portion (31) whose upper surface is open in the concave shape 18I3 (30) and which is opened at the upper edge on the left and right end surfaces;
The housing (32) shown in FIG. 18) are the grooves (31) and (31)'', respectively.
The cut and raised piece (34) provided on the side surface (33) of the casing (32) is bent inward to press the top surface of the cylinder case (15) and the casing (32) is fitted so as to protrude from the cylinder case (32). ). (35) indicates a lid body that closes the upper surface of the recessed portion (30). and piston rod (17)
A side wall B constituting the side of the doorway in the closing direction facing the tip of the magnetoresistive piece (21) that attracts the suction piece (21)
3) is buried, and in other respects the above-mentioned No. 1
There is basically no difference from the case of the embodiment, and the opening/closing operation of the sliding door (2) is performed in the same manner as in the first embodiment.

Effects of the Invention As described above, according to the present application, since the sliding door and the 11 fii body are integrally constructed, the construction work thereof can be easily performed, and the upper structure of the rail body can be simplified.
In addition, the height of the doorway can be increased, and by providing the magnetic adsorption means, there is no need to provide the air cylinder with a spring for restoring the piston rod, and the piston rod can be moved in and out easily. By varying the flow rate of the sliding door, the degree of buffering and closing speed during the closing operation of the sliding door can be adjusted to suit the construction site.Furthermore, when a buffer is installed within the upper end of the sliding door, the overall structure It has the advantage of being concise and having a good appearance.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application; FIG. 1 is a front view of the main part in the closed state, FIG. 2 is a front view of the main part in the open state, FIG. 3 is a longitudinal sectional view of the main part, and FIG. 4 is a front view of the main part in the open state. is a partial perspective view showing the structure of the lower part of the sliding door, FIG. 5 is a sectional view of the buffer body, FIG. 6 is a front view of the main parts in the closed state showing another embodiment corresponding to FIG. 1, and FIG. FIG. 8 is a front view of the main parts in an open state showing another embodiment corresponding to FIG. 2, FIG. 8 is a longitudinal cross-sectional view of the main parts showing another embodiment corresponding to FIG. 3, and FIG. FIG. 2 is a perspective view of the main parts of the embodiment. In the figure, (1) is the rail body, (2) is the sliding door, (3) is the recessed part, (4) is the mounting piece, (9) a, (9) b are the wheels,
(13) is a buffer body, (15) is a cylinder case, (16)
) is the sealing piece, (17) is the piston rod, (18) is the adjustment screw, (19) is the communication hole, (20) is the control part, (21
) is an adsorption piece, (22) is a contact piece, and (23) is a magnet.

Claims (1)

[Scope of Claims] (1) A sliding door provided with wheels at the front and back positions of the upper part, and which is provided at the upper part of the doorway, and whose front end in the longitudinal direction is inclined so that it is slightly lower than the rear end. , a rail body that engages the wheel so as to run freely, the rail body having a depressed portion inclined in a direction opposite to the inclination direction formed on the rear end thereof, a baffle piece provided on the doorway side, and a rail body integrally attached to the sliding door. A sliding door device comprising: an abutment body that abuts against the abutment piece to provide a cushioning effect when the sliding door is closed. (2) The sliding door device according to claim 1, wherein the buffer is installed on the inner surface of the sliding door. (3) The sliding door device according to claim 1, wherein the buffer is installed in a concave portion provided at the upper end of the sliding door. (4) The buffer body is a cylinder case, a piston rod having a sealing piece at the inner end,
A control unit having a flow hole that allows air to flow inside and outside the cylinder case, and having a magnet on one of the abutment piece or the outer end of the piston rod and an adsorption piece on the other side. The sliding door device according to item 1, 2 or 3. (5) The sliding door device according to claim 1, 2, 3 or 4, wherein the air flow rate of the flow hole of the control section can be adjusted by external operation.