JPH11293993A - Door stop - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door stop with which one can safely walk and transfer something to be transported and fine appearance of the peripheral floor face of the door can be improved. SOLUTION: This door stop is constituted of a easing 3 embedded in a floor face and formed of a groove and a recess communicating with one end of the groove at the upper face, an arm 5 housed in the groove and movably connected to the other end of the groove, a buffer body 6 rotatably connected to the free end of the arm 5, and a magnetic body. Further, it is provided with a plate 7 fixed to the upper face of the arm 5, a cover made of a nonmagnetic body to cover at least the groove of the casing, and a magnet 2 fixed to the lower part of the door.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a door stop. More particularly, the present invention relates to a door stop which is buried under the surface of a floor and which can be used to project a buffer on the floor surface in use.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 7 and 8, when a door 50 is opened and closed, a door 50 or a knob 51 collides with a wall or furniture around the door 50, a cabinet 52, or the like, and damage to these is caused. Door 5 is door 5 to prevent
It is provided on the floor 54 near zero.

As the door stop 53, there is a door stop 53 having a base 55 screwed to a male screw (not shown) standing on a floor 54 and a buffer 56 fixed to an upper portion of the base 55. .

In order to keep the door 50 open, the U-shaped stopper 57 inserted into the base 55 is pulled out, and a hook portion of a washer 58 with a hook provided on a side surface of the door 50 is provided. 59.

[0005]

However, since the door stop 53 is always erected on the floor 54, if the door 50 is not fixed to the door stop 53, the door stop 53 is erroneously received during walking. There is a risk of being kicked.

[0006] In addition, a conveyed object, for example, a cabinet 52
If the cabinet 52 collides with the door stop 53 by mistake, the cabinet 52 may be dented or the door stop 53 may be deformed. further,
It was getting in the way when cleaning the floor.

Further, the conventional door stop 53 is always a floor 54
, The foreign matters appear to protrude above the floor 54, which is not preferable from an aesthetic standpoint.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and provides a door stop which can safely walk or move a conveyed object and can improve the appearance of the floor around the door. The purpose is to provide.

[0009]

The door stop of the present invention is as follows.
(A) a casing buried in the floor, formed on the upper surface with a groove and a concave portion communicating with one end of the groove, and the groove is located on the door closed position side with respect to the concave portion, and (b) inside the groove. And (c) a shock absorber rotatably connected to the free end of the arm, and (d) a magnetic material, wherein the arm is rotatably connected to the other end of the groove. A plate fixed to the upper surface, (e) a cover made of a non-magnetic material and covering at least the groove of the casing, and (f) a magnet fixed to a lower portion of the door.

[0010] It is preferable that the apparatus further comprises a lock plate made of a magnetic material, disposed on the casing in the closed position side of the door with respect to the buffer, and exposed to the outside from the upper surface of the casing.

It is preferable that a screw for adjusting the height of the lock plate and a spring for constantly urging the lock plate downward are further provided.

The arm protrudes from the bottom surface of the groove of the casing so that a portion near the free end of the arm is bifurcated, and is located inside a space interposed between the bifurcated portions. It is preferable that a contact surface that can make surface contact with the side surface of the buffer is formed on the side surface of the island portion.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a door stop according to the present invention will be described in detail with reference to the drawings. 1 is a perspective explanatory view showing an embodiment of a door stop according to the present invention, FIG. 2 is an exploded perspective view showing an internal structure of a casing of FIG. 1, and FIG. 3 is a bottom view of the magnet of FIG. 4 and 6 are explanatory diagrams of the operation of the door stop of FIG.

As shown in FIGS. 1 to 3, a door stop according to an embodiment of the present invention is roughly divided into a main body portion 1 buried in a floor and a magnet 2 fixed to a door D. It is configured. The main body 1 has a casing 4 in which a cover 4 is closed on the upper surface thereof. Inside the casing 3, an arm 5, a buffer 6, and a plate 7 made of a magnetic material shown in FIG. .

First, the main body 1 will be described with reference to FIGS.

The casing 3 is, as shown in FIG.
For example, screws 19 (see FIG. 1) inserted into three screw holes 18 can be fixed together with the cover 4 to a recess formed on the floor.

The casing 3 is a box buried in the floor, and has a groove 10 and a recess 9 communicating with one end 10a of the groove 10 on the upper surface. The groove 10 is formed so as to be located on the closed position side of the door D with respect to the recess 9 (see FIG. 4).

The cover 4 is provided with at least the casing 3
Is a lid-like member that covers the groove 10. The cover 4 in FIG. 1 is formed with through holes 4a and 4b for exposing the buffer 6 and a lock plate 13 described later to the outside.

The cover 4 has a plate 7 made of a magnetic material.
In order to moderately reduce the attraction between the magnet 2 (see FIG. 2) and the opening and closing of the door D, brass is used.
It is made of a non-magnetic material such as aluminum, stainless steel, and synthetic resin.

Further, the cover 4 may be brought into contact with the magnet 2 (for example, it may be shifted downward due to long-term use of the door). It is preferable to form a radius.

Further, it is preferable that the cover 4 is formed as a decorative plate having a beautiful color and luster in order to improve aesthetic appearance.

The arm 5 is housed inside the groove 10 of the casing 3 and is swingably connected to the other end 10b of the groove 10. In the present embodiment, a through hole 5b is formed in the fixed end 5a of the arm 5, and a pin 11 having a substantially circular cross section is inserted into the through hole 5b.
Are fixed to both wall surfaces of the casing 3.

The buffer 6 is rotatably connected to the free end 5c of the arm 5 by a pin 12. The buffer 6 is
Head 6a made of an elastic member such as rubber or synthetic resin
And a head body 6b fitted with the head 6a. Both ends of the pin 12 are fixed to the circumferential surface of the head body 6b. The free end 5c of the arm 5 has a slot 5d so that the pin 12 can be inserted therethrough.
Are formed. Since the pin 12 can slide inside the elongated hole 5d, the buffer 6 allows the arm 5 to slightly move in the longitudinal direction. Thereby, the buffer body 6 can move up and down smoothly inside the concave portion 9 of the casing 3.

The plate 7 is a member for driving the arm 5 and the buffer 6 by being attracted by the magnet 2, and is made of a magnetic material such as iron or steel. The plate 7 is fixed to the upper surface of the arm 5 by bonding or the like.

Next, the magnet 2 will be described. As shown in FIG. 3, the magnet 2 has a magnet body 2b inside a case 2a.
Is stored. A plate portion 2c is formed on the side surface of the case 2a, and screw holes 2d for screwing to the door D are formed at both ends of the plate portion 2c, and the buffer member is formed at a central portion of the plate portion 2c. A collision block 2e having a large thickness for colliding with the collision block 6 is formed. The magnet 2 is embedded in a hole formed by a counterbore near the lower end of the door, and the plate 2c is fixed to the outer surface of the door. The case 2 in which the magnet body 2b is stored
a may protrude from the outer surface of the door.

The magnet main body 2b is protected by a synthetic resin case 2f and fixed by screws 2g. By rotating the screw 2g clockwise or counterclockwise, the magnet main body 2b and the synthetic resin case 2f can be protruded and retracted from the case 2a. Thereby,
Even if the door is displaced downward due to long-term use, screws 2g
By adjusting the distance, it is possible to adjust the distance between the magnet main body 2 b and the cover 4 which is optimal for driving the arm 5 and the buffer 6. Further, by making the hole of the case 2a through which the vicinity of the head of the screw 2g penetrates slightly larger than the screw diameter, the magnet can move not only vertically but also a little in the horizontal direction, and reacts with the plate 7 reliably. be able to. That is, by attaching the screw 2g with some play, the magnet can be attracted to the plate even when the lower end surface of the door is not parallel to the floor surface.

In the present invention, the magnet shown in FIG. 3 has been described as an example. However, the present invention is not limited to this. As long as a magnetic force can be applied to one plate 7, various types can be adopted. Therefore, an electromagnet or a permanent magnet may be provided near the lower end of the door.

In this embodiment, as shown in FIGS. 1 and 2, a lock plate 13 for locking the door at the open position is provided. The lock plate 13
The casing 3 is made of a magnetic material such as iron or steel.
At the closed position side of the door D with respect to the buffer body 6 (see FIG. 1), and from the upper surface of the casing 3,
It is exposed to the outside through the through hole 4b of the cover 4.

As shown in FIG. 2, the lock plate 13 further includes a screw 14 for adjusting the height of the upper surface of the lock plate 13 and a spring 15 for constantly biasing the lock plate 13 downward. Have. Screw 14
Is screwed from below into a screw receiving portion 13a (in which a screw hole is formed) protruding from the lower surface of the lock plate 13. The upper end 15a of the spring 15 is
The lower end 15b of the spring 15 presses the head of the screw 14 downward through the washer 16 in contact with the inner end surface 3b (see FIG. 4) of the insertion hole 3a on the bottom surface of the screw. The lock plate 13 is always urged downward by the elastic force of the screw 14, so that it does not protrude from the floor surface.

Further, as shown in FIG.
The island 17 is protruded from the bottom surface of the groove 10 of the casing 3 so that the portion near the free end 5c of the casing 3 is bifurcated, and is located inside the space 5e sandwiched between the bifurcated portions. The side surface of the island portion 17 includes a side surface of the buffer body 6 (specifically, a pair of slits 6 of the side surface of the head body 6b).
A contact surface 17a that can make surface contact with a portion 6d) sandwiched between the contact portions 17c is formed. Therefore, when the door collides vigorously with the shock absorber 6, surface contact between the portion 6d of the shock absorber 6 and the contact surface 17a of the island portion 17 prevents damage to the shock absorber 6, the arm 5, and the like. can do.

Next, the operation of the door stop according to the present embodiment shown in FIGS. 1 to 3 will be described.

As shown in FIG. 4, first, as the installation method, the main body 1 is embedded near the fully open position of the floor F, and the magnet 2 is embedded in the lower surface of the door D. At this time, the concave portion 9 in which the buffer body 6 is accommodated is disposed at a substantially fully opened position,
Is arranged on the closed position side of the door D.

As shown in FIG. 4, while the door D moves in the opening direction, when the door D is farther than the vicinity of the fully opened position, the distance between the magnet 2 and the plate 7 is large, so that the plate 7 is not attracted. The arm 5 and the buffer 6 do not move.

As shown in FIG. 5, when the door D is near the fully open position, the distance between the magnet 2 and the plate 7 becomes small, so that the plate 7 is made of the magnet 2 (specifically, the magnet body 2b). The arm 5 and the buffer 6 move upward. Thereby, the head 6a of the buffer 6 protrudes upward from the floor surface F.

As shown in FIG. 6, when the door D reaches the fully opened position (specifically, when the collision block 2e of the magnet 2 collides with the head 6a), the magnet body 2
b is a lock plate 1 made of a magnetic material exposed to the outside
3 adsorbed. Therefore, the door D is locked in the fully opened state.

Conversely, when it is desired to close the door D from the fully opened state, it is easy to move the door D slightly in the closing direction against the attraction between the magnet main body 2b and the lock plate 13. The door D can be closed by releasing the lock. Then, when the door D returns to the vicinity of the position shown in FIG. 4, the suction force on the plate 7 is weakened, and the head 6a of the buffer 6 is stored in the casing 3 by dropping its own weight.

[0037]

As described above, according to the present invention,
It can be buried under the floor, and the buffer can be protruded from the casing or housed in the casing. As a result, when not in use, it can be made almost flush with the floor surface, so that it is possible to stably walk and move a transported object such as a cabinet.

Further, when the door is not fully opened, the buffer is stored in the main body, so that the floor around the door is flat and the appearance can be improved. Furthermore, the exterior design around the entrance that makes use of the flat feeling of the floor surface becomes possible.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing an embodiment of a door stop according to the present invention.

FIG. 2 is an exploded perspective view of an essential part showing an internal structure of a casing of FIG.

FIG. 3 is a view of the magnet of FIG. 1 as viewed from below.

FIG. 4 is an explanatory diagram of an operation at a door stop in FIG. 1;

FIG. 5 is an explanatory diagram of an operation at a door stop in FIG. 1;

FIG. 6 is an explanatory diagram of the operation of the door stop of FIG. 1;

FIG. 7 is an explanatory view showing a fixed state of a conventional door.

FIG. 8 is an explanatory view showing a conventional door stop.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body part 2 Magnet 3 Casing 4 Cover 5 Arm 6 Buffer 7 Plate

Claims (4)

[Claims] (A) a casing buried in a floor, formed on a top surface thereof with a groove and a concave portion communicating with one end of the groove, wherein the groove is positioned on a door closed position side with respect to the concave portion; )
An arm housed inside the groove and slidably connected to the other end of the groove; (c) a buffer rotatably connected to the free end of the arm; and (d) a magnetic material. A plate fixed to the upper surface of the arm, and (e) a cover made of a non-magnetic material and covering at least the groove of the casing;
(F) a door stop comprising a magnet fixed to a lower portion of the door. 2. A housing, comprising a magnetic material, disposed in the casing at a closed position side of the door with respect to the buffer,
The door stop according to claim 1, further comprising a lock plate exposed to the outside from an upper surface of the casing. 3. The door stop according to claim 2, further comprising a screw for adjusting the height of the lock plate and a spring for constantly biasing the lock plate downward. 4. A portion near the free end of the arm is bifurcated, and an island is protruded from a bottom surface of the groove of the casing so as to be located inside a space interposed between the bifurcated portions. The door stop according to claim 1, 2 or 3, wherein a contact surface which can make surface contact with the side surface of the buffer is formed on a side surface of the island portion.