JP3231292B2 - Fitting hinges and self-closing fittings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a hinge for fittings and a self-closing fitting.

[0002]

2. Description of the Related Art A fitting of a building is provided with various fittings for opening and closing operations. Examples of the fittings include hinges and hinges that support the fitting so that it can rotate. There are door closers and the like that automatically rotate an opened fitting in the closing direction. Since the conventional hinges and hinges themselves do not have a function of automatically rotating the fitting in the closing direction, the present situation is that the hinges and the hinges are used together with the door closer.

[0003] When a key is attached to a fitting connected by a hinge or a hinge, conventionally, a keyhole must be formed in an opening frame, which is troublesome and troublesome.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a hinge for a fitting which rotatably supports a fitting and automatically closes an opened fitting by rotating it to an initial position. .

Another object of the present invention is to provide a hinge for fittings that can rotatably support the fittings and stop the opened fittings from rotating at a predetermined angle.

Still another object of the present invention is to provide a hinge for fittings which can be locked to a fitting by operating the hinge itself without the need for a conventional key provided with a keyhole in an opening for fitting a fitting. It is in.

Still another object of the present invention is to provide a self-closing fitting which automatically turns and closes an opened fitting without separately providing a door closer formed as a component other than a hinge. is there.

[0008]

In the present specification, an opening fixing member fixed to an opening for attaching a fitting, and a fitting fixing member rotatably supported by the opening fixing member and connected to the fitting are provided. If, fittings for hinges is disclosed comprising an initial position returning means for returning the該建tool fixing member which is rotated to the initial rotation position.

The hinge for fittings may be provided with rotation stopping means for stopping the rotation of the fitting fixing member. When the fitting is closed and the rotation of the fitting fixing member is stopped by the rotation stopping means, the fitting can be locked without providing a conventional key in the fitting mounting opening.

Further, in the present invention, an opening fixing member fixed to an opening for attaching a fitting, a vertical shaft extending substantially vertically downward from the opening fixing member, and pivotally attached to a lower end of the vertical shaft. A roller, a cam member rotatably fitted to the vertical shaft and disposed so as to contact the roller, and a spring fitted to the vertical shaft to press the cam member against the roller. And a fitting fixing member which is rotatably fitted to the vertical shaft, accommodates the spring and the cam member therein, and is connected to the fitting.

Here, on the side of the cam member that comes into contact with the roller, a portion where the roller comes into contact with the pressing force of a spring to stop the rotation of the cam member, and the roller that is pressed by the spring. May be formed such that the cam member is slid or rolled toward the rotation stop portion to rotate the cam member, a curved surface, or a combination thereof.

In the cam member, on the side of the cam member which comes into contact with the roller, a groove may be formed in which a part of the roller is fitted in addition to the position where the rotation is stopped. Further, on the side of the cam member that comes into contact with the roller, in addition to the position to be stopped for rotation and the inclined surface or the curved surface, a surface substantially perpendicular to a pressing direction from a spring may be provided. good.

Further, a plurality of surfaces substantially orthogonal to the pressing direction of the spring are provided on the cam member on the side in contact with the roller, and the plurality of orthogonal surfaces are pressed against the roller. The cam member may be formed so as to be rotatable in a state in which the cam member is rotatable in a state where the roller is brought into contact with the orthogonal surface by a pressing force from a spring.

Further, in the present invention, the opening fixing member of the hinge for fitting according to claim 1 or 3 is fixed to the upper edge of the opening for attaching the fitting, and the fitting fixing member of the hinge for fitting is connected to the fitting. Provided is a self-closing fitting which pivotally supports a fitting, has a convex hinge at a lower edge of the opening, and fits the convex hinge into a hole formed at a location of the fitting facing the lower edge. I do.

Further, in the hole formed in the fitting,
A load transmitting member that can contact the convex hinge and transmit the load of the fitting can be arranged so as to be adjustable in height.

[0016]

Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited to these examples. FIG.
FIG. 2 is a perspective view of a hinge for a fitting according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the hinge for a fitting from the side in FIG. 1, and FIG. It is a front view of the door as a closeable fitting. The hinge for fittings 10 of the present invention is arranged as shown by a dotted line A in FIG. 7, that is, attached to the upper corner of the door 30 and the corner of the opening frame 35, and moves the door 30 in the pushing direction. Opening in both directions is possible.

The hinge 10 for fittings is shown in FIG.
An L-shaped opening fixing member 11 fixed to the opening frame 35,
A vertical shaft 12 extending substantially vertically downward from an upper edge fixing portion 11a of the opening fixing member 11; a lower end 12b of the vertical shaft 12 has a horizontal shaft 16 penetrating in a substantially horizontal direction. Rollers 17 are rotatably mounted on both sides of the horizontal shaft 16 while the vertical shaft 12
A casing 14 as a fixture fixing member
Are rotatably fitted. And the spring 13
And the cam member 15 is inserted into the vertical shaft 12 so as to be housed inside the casing 14, and the spring 13 takes a reaction force on the casing 14 to move the cam member 15 to the roller 17.
The cam member 15 is slidably provided on the inner surface of the casing 14.

FIG. 3 (a) is a front view of the hinge for fittings, which is an enlarged view of a portion indicated by a dotted line A in FIG.
(B) is a perspective view of the key of the hinge for fittings in FIG. 3 (a). As shown in FIGS. 1 to 3A, a plurality of screw holes 11 b are formed in the opening fixing member 11.
The opening fixing member 11 is provided with a bolt 21 through the screw hole 11b.
And is fixed to the opening frame 35. And casing 1
4 are provided with a plurality of screw holes 14a on both side surfaces.
At the upper corner of the door 30, as shown by a dotted line, a notch for attaching the hinge 10 for a fitting is formed, and the casing 14 and the door 30 are shown in FIG.
A connection plate 31 having a shape as shown by a one-dot chain line is screwed to both sides to be connected and fixed.

The hinge 10 for a fitting is provided with a key 18 as shown by a two-dot chain line in FIG.
As shown in FIG. 3 (b), the key 18 has a notch 18a having a shape complementary to the horizontal shaft 16 formed in a tubular body having an opening 18b at the upper end. And is formed such that the clearance between the rollers 17 and 17 on both sides is minimized, and is slidably embedded in the door 30 in the vertical direction (the direction of the double arrow A).

Further, the cam member 15 is provided with
In FIG. 4A, the one shown in FIG.
A through hole 15e through which the vertical shaft 12 passes is formed at the center, and the two thickest tops 15b and 15c are formed at opposing positions.
The two thinnest valleys 15a, 15d are formed at approximately 90 ° in both directions from the tops 15b, 15c, and a gentle curved surface 15f is formed between the tops 15b, 15c and the valleys 15a, 15d. I have. This cam member 1
When the rollers 17, 17 are located in the valley portions 15a, 15d of 5, the casing 14 of the hinge 10 for fittings is stopped at the initial rotation position, as shown in FIGS.

The hinge for fittings 10 as described above is attached to the door 30 and the opening frame 35 in the position surrounded by the dotted line A in FIG.
, A conventional type of pivot hinge is provided. This pivot hinge is provided with a projection 33a and has a floor 3
6 and a plate 32 having a hole through which the convex portion 33a penetrates. The plate 32 is fixed in accordance with the hole 31 formed in the lower edge of the door 30. A protrusion 33 a is arranged on the base 31 so as to be insertable.

FIG. 9 shows the pivot hinge.
An embedding material 37 as shown in (a) and (b) may be provided. At this time, the hole 31 at the lower edge of the door 30 is extended to the side edge, and the grooved plate 3 is closed so as to close this hole from the side edge of the door 30.
8 is fixed, and a groove 38 b having a plurality of locking portions is formed in the groove cutting plate 38. And the embedding material 37 is
A protruding portion 37a is formed so as to be movable in the vertical direction in the hole 31 and can be locked to the locking portion of the groove 38b. Therefore, the embedding material 37 has its protruding portion 37a locked by the locking portion, and the lower end thereof has the convex portion 33 of the pivot hinge.
It is arranged so as to abut a.

Next, the operation of the fitting hinge 10 will be described with reference to FIGS. Note that FIG.
In (a) to (c), in order to facilitate understanding,
A door connected to the hinge 10 for a fitting or a spring 13
Is omitted. FIG. 3A shows the hinge 10 for a fitting when the door 30 is closed from the front,
FIG. 10C is a perspective view of the hinge 10 for a fitting in this state.
It is. FIG. 10A is a perspective view of the hinge 10 for the fitting when the door 30 is opened in the pusher direction or the pulling direction, and shows the hinge 10 for the fitting when the door 30 is opened in the opposite direction. Is a perspective view of FIG.

As shown in FIG. 10 (c) and FIG. 2, when the casing 14 of the hinge 10 for a fitting is stopped at the initial rotation position, that is, when the door 30 is closed,
The cam member 15 receives the pressing force from the spring 13,
The valley portions 15a, 15d are brought into contact with the rollers 17, 17. When the door 30 is opened in the pusher direction or the puller direction, FIG. 10A or FIG.
2, the casing 14 rotates about the vertical axis 12 together with the cam member 15, and the cam member 15 is pushed up by the rollers 17 while rotating. That is, when the cam member 15 rotates, the contact portion with the rollers 17, 17 moves from the valley portions 15a, 15d to the top portions 15b, 15c through the curved surfaces 15f, 15f, and the contact portion. The cam member 15 opposes the pressing force from the spring 13 while moving the vertical shaft 1.
2 upward (in the direction of arrow A). When the door 30 is opened nearly 90 degrees, the roller 1
7 and 17 come into contact with the vicinity of the tops 15b and 15c of the cam member 15, and the pressing force from the spring 13 becomes maximum.

On the other hand, when the force for supporting the opened door 30 in the open state is lost, the cam member 15 is pressed against the rollers 17, 17 under the pressure of the spring 13, so that the abutting position thereof. Is guided from the tops 15b and 15c through the curved surfaces 15f and 15f toward the valleys 15a and 15d, and the cam member 15 rotates around the vertical axis 12 in the opposite direction to the above. Then, the valley portions 15a and 15d of the cam member 15 abut against the rollers 17 and 17 to stop the rotation of the cam member 15, the casing 14 returns to the initial rotation position, and the door 30 is closed.

Next, the operation of the key 18 shown in FIGS. 3A and 3B will be described. When the door 30 is opened,
As shown in FIGS. 10A and 10B, the door 3
0 rotates about the vertical axis 12 together with the casing 14. On the other hand, the key 18 fixed to the door 30 is
When the door 30 is raised from the inside, the upper end opening 18b is inserted into the outer periphery of the rollers 17, 17 on both sides, so that the rotation of the door 30 around the vertical axis 12 becomes impossible, whereby the door 30 is closed. Locked in state.

Next, a cam member formed in a shape different from that of the cam member 15 will be described. FIG. 4 (a) to (f)
FIGS. 6A to 6C are perspective views of cam members formed in different shapes to be applied to the hinge 10 for fittings.
(F) is a development view of the cam member, and FIG. 5 is a plan view showing a development position of the cam member in FIG. FIG.
6 (a) to 6 (f) show the same cam member.

In the cam member 41 shown in FIGS. 4 (b) and 6 (b), a through hole 15e through which the vertical shaft 12 passes is formed in the center, and is perpendicular to the pressing direction of the rollers 17, 17 and is the thickest. Two flat portions 41b and 41c are formed at opposing positions, two thinnest valley portions 41a and 41d are formed,
From each of the valley portions 41a and 41d, the flat portion 41
b, 41c, a gentle curved surface 41f and a vertical surface 41
g is formed. In the cam member 41, when the rollers 17, 17 are located at the valley portions 41a, 41d, the casing 14 of the hinge 10 for a fitting stops at the initial rotation position. Also, the cam member 41 and the rollers 17, 17
Abutment position from the valley portions 41a, 41d to the curved surface 41f.
Can move between the valley portions 41a and 41d through the vertical surface 41g to the flat portions 41b and 41c.
Thereby, in the hinge for fittings provided with the cam member 41, it becomes possible to open the door only in one direction of the pusher side or the puller side. Further, when the rollers 17, 17 are in contact with the curved surface 41 f, the rollers 17, 17 are pressed by the spring 13 so that the valley portions 41 a, 41
The cam member 41 is rotated so as to return to d, that is, in a direction to close the door.

The cam member 42 shown in FIGS. 4 (c) and 6 (c) is the same as the cam member 1 shown in FIGS. 4 (a) and 6 (a).
In addition to the same configuration as 5, a groove 42g that can be stopped by locking the rollers 17, 17 is formed in the tops 15b, 15c. 4 (c) and 6 (c), the same components as those of the cam member 15 of FIGS. 4 (a) and 6 (a) are denoted by the same reference numerals, and description thereof will be omitted. In the hinge for fittings provided with the cam member 42, when the rollers 17, 17 are located at the valley portions 15a, 15d,
The casing 14 of the hinge 10 for fittings stops at the initial rotation position, and the door is closed. The valley portions 15a, 15
Since the curved surface 15f is formed in both directions from d, the rollers 17, 17 can move in both directions, and the door can be opened in both the pusher side and the puller side. When the rollers 17, 17 are locked in the grooves 42g, the door is held in a state of being opened by 90 ° to the pusher side or the puller side. Roller 17, 17 is curved surface 15
When the cam member 41 is in contact with the f, the cam member 41 is rotated by the pressing force from the spring 13 so that the rollers 17, 17 return to the valley portions 15a, 15d, and the door is automatically closed.

Further, in the cam member 43 shown in FIGS. 4D and 6D, a through hole 15e through which the vertical shaft 12 passes is formed at the center, and the two thickest flat portions 43b, 43 are formed.
c is formed in the opposed arrangement, and from this, the two thinnest plane parts 43a and 43d are formed in the opposed arrangement at a position rotated by approximately 90 °, and further, these plane parts 43b and 43d are formed.
The two flat portions 43f and 43g are formed at predetermined steps between each of the flat portions c and the flat portions 43a and 43d, and all these flat portions are orthogonal to the pressing direction of the rollers 17 and 17. It is formed as follows. The cam member 43
In the hinge for fittings provided with:
f, 43g, it is held in a stopped state. On the other hand, when the door is subjected to a force in the opening and closing direction, it rolls over any step, so that the door is on the pusher side and the puller side. Can be opened in both directions.

In the cam member 44 shown in FIGS. 4 (e) and 6 (e), a through hole 15e through which the vertical shaft 12 passes is formed in the center, and the two thickest flat portions 44b and 44c are formed in opposing arrangement. From this, two thinnest valleys 44a and 44d are formed at a position rotated by about 90 °, and gentle curved surfaces 41f are formed from the valleys 44a and 44d in both directions toward the plane parts 44b and 44c. Roller 1 is provided between flat portions 44b and 44c and each curved surface 41f.
A step 44g is provided such that the steps 7 and 17 can go over. In the hinge for fittings provided with the cam member 44, when the rollers 17, 17 are located at the valleys 44a, 44d, the casing 14 of the hinge 10 for fittings stops at the initial rotation position, and the door is closed. Further, since the curved surfaces 44f are formed in both directions from the valley portions 44a, 44d, the rollers 17, 17 can be moved in both directions, and the door can be opened in both the pusher side and the puller side. Further, when the rollers 17, 17 are in contact with the curved surface 44f, the valley portions 44a, 44d
Since the force for rotating the cam member 41 acts toward
The door is automatically closed, while the roller 17 is kept open when the rollers 17, 17 ride over the step 44g and abut against the flat portions 44b, 44c. The step 44g has the same shape as the roller 1
It is also possible to form a step at which the rollers 7 and 17 cannot go over. When the step 44g is formed in this way, the cam member 4 is formed when the rollers 17 and 17 contact the step 44g.
4 cannot be rotated further, and thus the opening angle of the door is limited.

Further, in the cam member 45 shown in FIGS. 4F and 6F, one thinnest valley portion 45a is formed, and one thickest top portion 45b is formed at a position opposed to the valley portion 45a. 45g, and are gradually curved in both directions from the valley portion 45a toward the top portion 45b.
5c is formed. In the hinge for fittings provided with the cam member 45, unlike the above, only one roller 17 is provided, and when the roller 17 is located at the valley portion 45a, the casing 14 of the hinge 10 for fittings is in the initial rotation position. Stopped, door is closed. Further, the roller 17 can be rotated approximately 180 ° in both directions from the valley portion 45a through one of the curved surfaces 45b and 45c, and the door can be opened in both the pusher side and the puller side. Becomes possible. Then, the door is held in a state of being opened by 180 ° to the pusher side or the puller side by locking the rollers 17, 17 into the groove 45g.

[0033]

According to the hinge for fittings of the present invention, since the cam member, the roller, and the spring are provided as the initial position return means, the fittings are rotatably supported and the opened fittings are automatically rotated. It is now possible to rotate and close to the initial position of movement.

In addition, since the hinge for fittings of the present invention is provided with the rotation stopping means for stopping the rotation of the fixture fixing member, a conventional key for forming a keyhole in the opening for fitting the fitting is not required, and the hinge is not required. It became possible to lock a fitting by its own operation.

Further, in the hinge for fittings of the present invention, a roller is pivotally attached to a lower end of the vertical axis, and a cam member is disposed so as to be rotatably fitted to the vertical axis and abut against the roller.
A spring fitting is inserted into the vertical shaft to press the cam member against the roller, and a fitting fixing member that is rotatably fitted to the vertical shaft, stores the spring and the cam member therein, and is connected to the fitting. When the fitting is opened, the fitting fixing member rotates together with the cam member, and this cam member is pushed up against the pressing force of the spring by a roller abutting the lower surface thereof, and the fitting fixing member is moved along the vertical axis. Sliding on the inner surface. Then, when the force for opening the fitting stops acting, the cam member is pushed down by the pressing force of the spring from above, and is guided by the roller contacting the lower surface thereof to rotate.
The fitting is rotated in the closing direction via the fitting fixing member by the rotation of the cam member. Therefore, it is possible to turn the opened fitting automatically to the initial rotation position and to close it without separately providing a door closer formed as a component other than the hinge, while supporting the fitting rotatably. became.

Further, in the hinge for fittings of the present invention, a portion where the roller comes into contact with the roller by the pressing force from the spring to stop the rotation of the cam member on the side of the cam member which comes into contact with the roller, and the pressing force from the spring. The roller is slid or rolled toward the rotation stop point to form a slope or a curved surface for rotating the cam member, so that the fitting is rotatably supported and the opened fitting is rotated at a predetermined angle. To stop the rotation.

[0037]

[Brief description of the drawings]

FIG. 1 is a perspective view of a fitting hinge according to an embodiment of the present invention.

FIG. 2 is a sectional view of the hinge for fittings of FIG. 1;

3 (a) is a front view of a hinge for a fitting shown in an enlarged manner at a portion indicated by a dotted line A in FIG. 8, and FIG. 3 (b) is an enlarged perspective view of a key of the hinge for a fitting.

FIGS. 4A to 4F are used for hinges for fittings;
It is a perspective view of the cam member formed in each different shape.

FIG. 5 is a plan view showing a deployed position of a cam member in FIG. 6;

6 (a) to 6 (f) are development views of the cam member in FIG.

FIG. 7 is a front view of a self-closing fitting provided with the fitting hinge of FIG. 1;

FIG. 8 is an enlarged view of a portion indicated by a dotted line B in FIG. 7;

9 (a) and 9 (b) are a side view and a front view showing an embodiment different from FIG.

10 (a) and 10 (b) are perspective views shown to explain the positional relationship of each component when the fitting fixing member is turned in the fitting hinge of FIG. 1, and FIG. FIG. 4 is a perspective view of a hinge for a fitting, showing a state where the fitting fixing member is at a rotation initial position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Hinge for fittings 11 Opening fixing member 12 Vertical axis 13 Spring 14 Casing (joint fixing member) 15 Cam member 17 Roller

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05F 1/10-1/14 E05F 3/22

Claims (5)

(57) [Claims] 1. A and opening the fixed member fixed to the opening for mounting the fittings, and a vertical axis that extends substantially perpendicularly from the opening fixing member downward, which is pivotally connected to the lower end of the vertical axis rollers A cam member rotatably fitted to the vertical shaft and disposed so as to abut the roller; a spring fitted to the vertical shaft to press the cam member against the roller; A hinge for fittings, comprising: a fitting fixing member rotatably fitted to a shaft to house the spring and the cam member therein and connected to the fitting. 2. A portion of the cam member that comes into contact with the roller, a portion where the roller comes into contact with a pressing force from a spring to stop the rotation of the cam member, and a portion where the roller is pressed by a spring. The hinge for a fitting according to claim 1, wherein a slope, a curved surface, or a combination thereof is formed to rotate or rotate the cam member by sliding or rolling toward the rotation stop portion. . 3. A plurality of surfaces substantially orthogonal to a pressing direction from a spring are provided on a side of the cam member that comes into contact with the roller, and the plurality of orthogonal surfaces are pressed against the roller. 2. The fitting according to claim 1, wherein the cam member is formed in a step which can be rotated in a state, and the roller comes into contact with the orthogonal surface by a pressing force from a spring to stop the rotation of the cam member. For hinges. 4. An upper edge of an opening for attaching a fitting,
Fixing the opening fixing member of the hinge for a fitting according to claim 1 ,
The fitting fixing member of the fitting hinge is connected to the fitting to pivotally support the fitting, a convex hinge is provided at a lower edge of the opening, and a hole formed at a location of the fitting opposed to the lower edge is provided. A self-closing fitting with a convex hinge fitted. The method according to claim 5, wherein the fixture is formed in the hole, characterized in that the convex hinge contact arranged adjustably load transmission member height which enables transfer loads joinery 請
The self-closing fitting according to claim 4 .