JPH07286473A - Door impact protecting tool, and door device having it - Google Patents

Abstract

PURPOSE:To prevent the finger nipping accident by a forcibly closed door, and reduce the closing impact sound. CONSTITUTION:A door impact protecting tool 1 is formed of a case 2 and a stopper 4. The case 2 has a contact piece having a circular outer circumferential surface and a slippage-preventing tool 5 provided in a housing chamber 21 having an opening 22 on one end, and an inclined body 6 provided on the bottom wall thereof. In such a door impact protecting tool 1, the contact piece 3 is protruded from the case 2 mounted on a door 7 by centrifugal effect, when the door 7 is forcibly closed, and collides with the stopper 4 mounted on a column 71, whereby the door 7 is stopped with leaving a clearance with the column 71. In the general gentle opening and closing operation of the door 7, the contact piece 2 is never protruded from the case 2, and the opening and closing operation is never disturbed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door impact protector.

[0002]

2. Description of the Related Art Conventionally, a door closer has been used for gently closing a door.
The user is burdened when the door is opened and when it is closed slowly. When the door closer is removed from the door, the opening and closing of the door becomes lighter, but when the door is closed tightly, there is a problem that the door collides with the contact surface of the pillar and generates noise.

[0003]

SUMMARY OF THE INVENTION High-rise buildings, particularly high-rise condominiums, in which one end of the door is attached to a pillar by a hinge, are closed by the wind pressure or the door when the door is opened and closed. The number of finger-stuffing accidents caused by doors and pillars is increasing. Further, a strong impact sound may be generated due to the impact when the door is vigorously closed due to the wind pressure.

An object of the present invention is to provide a shock protector for a door of a building, in which a hitting piece (3) projects from a free end side of the door by a centrifugal force action only when the door is vigorously closed.
It collides with the stopper (4) provided on the side (1) to leave a gap between the door (7) and the pillar (71) of the door to prevent a finger jamming accident. The object of the present invention is to provide a door impact protector and a door device including the door impact protector that can normally close the door without protruding from the door when the door is slowly closed.

[0005]

[Means for Solving the Problems] A case (2) in which a base end side of a door is pivotally supported on a pillar (70) by a hinge (77), and a hitting piece (3) is housed at a rotating end of the door. The contact piece (3) is attached by using the centrifugal force action of the door (7) only when the door (7) is installed and the door (7) is closed vigorously.
So that it protrudes from the case (2). The contact piece (3) has a circular outer peripheral surface and is rollable, and a stopper (4) is provided at a portion where the protruding contact piece (3) collides with the pillar (71).
Either one of (3) and the stopper (4) is made of a shock absorbing material.

Further, the storage chamber (21) of the case (2) is provided with a door.
The open end side of (7) opens (22), and the bottom of the storage chamber (21) is
It is provided with an inclined body (6) which is high on the side of the opening (22) and is inclined inwardly of the storage chamber (21).

Further, in the door device according to the present invention, the case (2) is embedded in the door, or is attached to the vertical stile of the door, and the pillar (71) further includes the contact piece (3) from the storage chamber (21). ) When it protrudes, the stopper comes into contact with the corresponding piece (3).
Provide (4).

[0008]

[Function] When the door (7) is vigorously closed,
Before the (7) contacts the pillar (71) and closes, the contact piece (3) having a circular outer peripheral surface from the opening (22) of the storage chamber (21) of the case (2).
Is projected to the outside by the action of centrifugal force, and the corresponding strip (3) is
It collides with the stopper (4) provided in 1) and the door (7) and pillar
The door is closed and the rotation is stopped, leaving a gap between (71).

Further, after the hitting piece (3) collides with the stopper (4), the rotary motion of the door (7) is stopped and the centrifugal force action disappears, so that the hitting piece (3) is slanted (6). Roll the storage room (2
1) It is re-stored inside. During the normal opening / closing operation of the door (7), the rotational speed of the door (7) is slow and
Since the centrifugal force acting on (3) is weak, the contact piece (3) is an inclined body.
(6) cannot be climbed and will not protrude from the storage room (21). Therefore, the door (7) is received by the contact (73) of the pillar (71) and stops, closing the passage.

[0010]

According to the door impact protector of the present invention,
When the door (7) is vigorously closed or when the door (7) is rapidly closed by wind pressure, the storage chamber (2
Before the door (7) is closed, the contact piece (3) is projected to the outside by the centrifugal force caused by the rotation of the door (7), and first the corresponding piece (3) is attached to the pillar (71). It collides with (4) and stops leaving a gap between the door (7) and the pillar (71). Therefore, it is possible to prevent finger jam accidents. Further, by constructing either one of the hitting piece (3) and the stopper (4) with an elastic member, the impact at the time of collision can be alleviated and the impact noise generated at this time can be reduced.

Further, during normal opening and closing of the door (7), the centrifugal force acting on the hitting piece (3) is weak, so that the hitting piece (3) moves the inclined body (6) of the storage chamber (21). I can't climb,
Since the contact piece (3) does not protrude from the storage chamber (21),
The opening / closing operation of the door (7) does not interfere.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in Fig. 1, the door (7) of the building is a pillar (70).
(71), Kamo (74) and Sill (75), one of the vertical stiles is pivotally supported by a pillar (70) by a hinge (77), and the other is provided with a door handle (76). . The case (2) of the door impact protector (1) according to the present invention is attached to the door (7) and the stopper.
(4) is deployed on the pillar (71) respectively. The case (2) is made of a sturdy metal plate and has a storage chamber (21) inside which an opening (22) opens toward the free end of the door (7). The bottom wall of the storage chamber (21) forms an inclined body (6) that is high on the opening (22) side and is inclined downward toward the back of the storage chamber (21). In the storage chamber (21), the contact piece (3) having a circular outer peripheral surface is slanted.
Although the upper surface of (6) is rotatably arranged and the contact piece (3) rolls, a part of the contact piece (3) is allowed to protrude from the case (2), but the contact piece (3 A retaining member (5) that prevents the () from escaping from the storage chamber (21) is provided in the case (2) across the storage chamber (21). It is desirable that the door impact protector (1) be installed inside the vertical stile in the opening direction and above the door handle (76) out of reach of children. When the door is closed, slide it to the side of the edge so that it does not overlap the contact (73) of the pillar (71).

As shown in FIGS. 2 and 3, when the door (7) is closed vigorously, the centrifugal force acting by the rotational movement of the door (7) is utilized to attach a screw to the door (7). Holes (23)
Or a case attached using double-sided adhesive tape
From the opening (22) of the storage chamber (21) of (2), the hitting piece (3) having a circular outer peripheral surface is projected to a portion corresponding to the retainer (5) provided inside the storage chamber (21), and the door (7) ), Before hitting the pillar (71),
By colliding with the stopper (4) attached to the pillar (71), a gap is left between the door (7) and the pillar (71). Hit piece
When the stopper (4) collides with the stopper (3), the rotation of the door (7) is stopped and the centrifugal force is no longer exerted. Therefore, the contact piece (3) rolls on the inclined body (6) and the storage chamber (21 ) Is stored again. The stopper (4) will be described later.

Also, when the door (7) is normally opened and closed,
Since the rotation of (7) is gentle, the centrifugal force acting on the hitting piece (3) is weak and the hitting piece (3) cannot climb the inclination of the tilting body (6). Does not protrude from the storage room (21).

4 and 5 are sectional views showing a state in which the case (2) is attached to the door (7). As shown in Figure 4, when the door (7) is closed, and when the normal door (7) is
When opening and closing, the contact piece (3) is stored in the storage chamber (21).

As shown in FIG. 5, when the door (7) is vigorously closed, the contact piece (3) projects from the storage chamber (21) of the case (2) by the centrifugal force of the door (7), Protruding piece
Corresponding to (3), the stopper attached to the pillar (71)
By colliding with (4), a gap is created between the door (7) and the pillar (71).

6 and 7 are sectional views showing a door device in which the case (2) is embedded and attached to the end surface of the free rotating end of the door (7). As shown in Figure 6, the door (7)
If the case (2) is embedded in the thickness of the
When the (7) is closed and the door (7) is normally opened and closed, the hit piece (3) is retracted and stored in the storage chamber (21) of the case (2).

As shown in FIG. 7, when the door (7) is vigorously closed, the contact piece (3) comes out of the storage chamber (21) of the case (2).
It is protruded by the centrifugal force action of (7) and the stopper of the pillar (71)
By colliding with (4), the door (7) is closed leaving a gap between it and the pillar (71) and rotation is stopped, and the impact between the door (7) and the contact (73) of the pillar (71). Is prevented. Case (2) to door (7)
When it is embedded in the contact piece (3), the protruding length of the contact piece (3) is shorter than that of the embodiment shown in FIGS. 4 and 5 by the length of the contact (73). The load applied to the hitting piece (3) when colliding with the stopper (4) is reduced. But,
Install the case (2) from the vertical stile of the door (7) to the door
It is necessary to make extra thickness of the stopper (4) by the length moved into the inside of (7). Also, by making the stopper (4) thicker, the case (2) can be attached to the door (7).
It can also be attached to the outside of.

Another embodiment of the door impact protector (1) is shown in FIGS. 8 and 9. In the embodiment shown in FIG. 8 and FIG. 9, the leaf spring is bent up and down according to the height of the storage chamber (21) and fitted into the storage chamber (21), and the bent upper piece (64) of the leaf spring and The tip of the lower piece (65) is directed toward the opening (22) to form a leaf spring type inclined body (61). By attaching the adjusting screw (63) to the lower part or the upper and lower parts of the case (2), the angle of the leaf spring type inclined body (61) can be freely changed, and the adjusting screw ( When the 63) is attached, the case (2) can be attached to either the right opening door or the left opening door. Further, by making the sectional shapes of the upper piece (64) and the lower piece (65) of the leaf spring type inclined body (61) convex, it is possible to reduce the frictional resistance of the contact portion with the hitting piece (3). I can.

Further, the contact piece (3) has a disk-shaped outer shape as shown in FIGS. 8 and 9, and has a ring shape having an empty cylinder portion (33) at the center, and a side wall of the storage chamber (21). Reduces the friction of
In order to prevent the lateral runout of (3), a ring-shaped contact piece (31) provided with annular raised portions (34) on both sides of the ring is used.
The retaining member (5) is protruded inward from the side wall of the storage chamber (21) so as to enter the hollow cylinder portion (33) of the hitting piece (3), and the hitting piece (3) is the hollow cylinder portion.
Although the (33) freely moves within the range where it does not fall onto the retainer (5), the center of gravity of the ring-shaped abutting piece (31) stays inside the storage chamber (21) even in the maximum protruding state (35).

In the embodiment shown in FIGS. 10 and 11, the inclined body (6) at the bottom of the storage chamber (21) is attached to the case (2) with a plate piece such as a wedge-shaped inclined body (62) with screws or both sides. The angle of the slanted body (6) is adjusted by attaching it with tape or the like. Further, by making the cross section of the wedge-shaped inclined body (62) convex, it is possible to reduce the frictional resistance of the contact portion with the contact piece (3).

Further, the hitting piece (3) is a disk having no hollow cylinder in the center in the embodiment of FIGS. 10 and 11. Hit piece
In order to reduce the contact area between (3) and the storage chamber (21) to reduce friction, and to prevent lateral deflection of the contact piece (3), annular raised portions (34) are provided on both sides of the disc. Disc-shaped piece (3
2) In addition, retain (5) in the opening (22) of the case (2).
The center of gravity of the disc-shaped abutting piece (32) when the stopper is in the maximum protruding state (35) is retained inside the storage chamber (21).

In addition to the above embodiment, retaining (5) and tilting body
It is also possible to form (6) by deforming the shape of the storage chamber (21) as shown in FIG. Further, as shown in FIG. 13, a stopper (5) is provided at the center of the contact piece (3), and the storage chamber (2
The slanted body (6) can be constructed by obliquely providing through holes or recesses on both side wall surfaces of (1).

As shown in FIG. 14, the stopper (4) is made of an elastic member such as urethane or a member having a vibration absorbing property such as a vibration damping steel plate to forcefully close the door (7). You can reduce the impact sound when you hit and reduce the impact sound generated at this time. Stopper (4) is a protruding piece
Install in the part where (3) collides with the pillar (71). Also stopper
As a method of attaching (4) to the pillar (71), a screw is fixed through a screw hole (41) formed by penetrating the stopper (4), or a double-sided adhesive tape or the like is used for adhesion.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or limiting the scope. The configuration of each part of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims.

For example, in the embodiment shown in FIGS. 8 to 11, the ring-shaped contact piece (31) and the disk-shaped contact piece (32), the leaf spring type inclined body (61) and the wedge type inclined body (62). ) Can be used interchangeably.

Further, the hitting piece (3) is made of an elastic member and the stopper (4) is made of a hard member, or both the hitting piece (3) and the stopper (4) are made of an elastic material or have a vibration absorbing property. Of course, it is possible to change the material such as a member.

[Brief description of drawings]

FIG. 1 is a front view of a door opening direction outer side showing a state in which a door impact protector is attached to a door.

FIG. 2 is a perspective view of a door impact protector.

FIG. 3 is a front view of the door impact protector viewed from the outside of the door.

FIG. 4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a cross-sectional view of the door of FIG. 4 when it is vigorously closed.

FIG. 6 is a cross-sectional view showing another attachment state of the case.

FIG. 7 is a cross-sectional view when the door of FIG. 6 is closed vigorously.

FIG. 8 is a front view of another embodiment of the hitting piece and the inclined body.

9 is a right side view of FIG.

FIG. 10 is a front view of still another embodiment of the hitting piece and the inclined body.

11 is a right side view of FIG.

FIG. 12 is a cross-sectional view of another embodiment of the retaining member and the inclined body.

FIG. 13 is a front view of another embodiment of the retaining member and the inclined body.

FIG. 14 is a perspective view of a stopper.

[Explanation of symbols]

 (1) Door impact protector (2) Case (21) Storage chamber (3) Contact piece (4) Stopper (5) Stop retaining (6) Inclined body (7) Door

Claims (3)

[Claims] 1. A case (2) having a storage chamber (21) having an opening (22) at one end, and a storage chamber (21) of the case (2) which has a circular outer peripheral surface and is rollable. It is placed in the storage chamber (21) of the case (2) and the contact piece (3) that is housed so that it can be moved back and forth, and should project from the opening (22) of the storage chamber (21) when subjected to centrifugal force. A retainer that allows the protruding piece (3) to move and prevents the protruding piece (3) from coming out of the storage chamber.
(5), a stopper (4) that should be placed in the transition path of the slanting body (6) that is formed so that the opening side of the bottom of the storage chamber (21) is raised and the depth is lowered, and the protruding contact piece (3). Composed of and
(3) is a door impact protector characterized in that the inclined surface is rolled and stored in the storage chamber (21). 2. The tilting body (6) bends the leaf spring up and down according to the height of the storage chamber (21), and attaches the tips of the bent upper piece (64) and lower piece (65) of the leaf spring. The door impact protector according to claim 1, wherein the door shock protector is fitted in the storage chamber (21) toward the opening (22), and the upper and lower walls of the case (2) are provided with an adjusting tool for pushing the upper piece and the lower piece of the leaf spring respectively. . 3. A door, one end of which is attached to a pillar by a hinge, a case (2) attached to a rotating end of the door, and a position on the pillar (71) facing the case (2) when the door is closed and rotated. The storage chamber (21) is composed of a stopper (4) attached to the housing, and the case (2) has an opening (22) toward the turning end.
The inside is equipped with a storage chamber (21) in the storage chamber (21) of the case (2).
It has a hitting piece (3) that can project from the inside and a retaining piece (5) that returns the projecting hitting piece (3) to the inside of the storage chamber (21), and the hitting piece (3) when the door is closed with force. A door device characterized in that it is caused to project from the storage chamber (21) by the action of centrifugal force and collide with the stopper (4).