JPH1088893A - Hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhibit sudden revolution and the generation of an impulse sound at the closing of a folding door by disposing a slider urged by a spring to one mounting plate of a hinge and a cam member and a cushioning member consisting of high-density urethane to the other mounting plate. SOLUTION: A slider 50 is arranged onto the top face of one mounting plate 30 of the hinge 10 and urged to the other mounting plate 20 side by a pushing spring, a can member 60 is disposed onto the top face of a mounting plate 20, and a cushioning member 70 composed of urethane having high density in twice or quintuple of a urethane foam is bonded on the inside of an outer circumferential wall 23. When the door panels 2, 3 of a folding door 1, to which the hinge 10 formed in this manner is installed, are closed, the front end section of the slider 50 is pushed back by the cam stepped section 61 of the cam member 60, and braking in the closing direction is applied. When the door panels 2, 3 intend to be closed as they are, closing force is assisted by crossing over the cam stepped section 61 of the front end section of the slider 50 and pushing against a cam surface 62. The plane 51 of the slider 50 is abutted against the cushioning member 70 at that time, braking is applied to force at the time of closing, and the mutual collision of the butt end surfaces 2a, 3a of the door panels 2, 3 is cushioned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge used for a folding door, and more particularly, to a hinge having a sound deadening function for reducing a sound generated between slats when the folding door is closed.

[0002]

2. Description of the Related Art As a digging type hinge used for folding doors, for example, the one shown in FIG. 13 is known.

[0003] That is, the door plate 2 of the folding door 1, the entrance 2 of the door 3
The mounting plates 20 and 30 of the hinge 10 are fitted in mounting holes 4 and 5 formed in the holes a and 3a. Mounting plates 20, 30
These are rotatably connected to each other via a shaft pin 40 inserted through the bearing portions 21 and 31.

[0004] The mounting plate 20 is provided with a cam member 60 which receives the urging force of the slider 50 urged by a pressing spring (not shown).

[0005] Then, from the state of FIG.
When closing 3, the mounting plates 20, 30 of the hinge 10 rotate in a direction approaching each other. At this time, when the leading end of the slider 50 comes into contact with the cam step 61 of the cam member 60, the slider 50 is pushed back by the cam step 61, and braking in the closing direction of the door plates 2, 3 is applied. When the doors 2 and 3 are to be closed as they are, the pushed back slider 5
By pressing the cam surface 62 of the cam member 60 at the same time that the leading end of the cam member 60 gets over the cam step 61 of the cam member 60, the closing force on the door plates 2 and 3 is promoted, and the door plates 2 and 3 are closed smoothly. (Catch action).

By the way, when the doors 2 and 3 are opened,
The pivotal movement of the mounting plates 20 and 30 away from each other causes the distal end of the slider 50 to ride over the cam step 61 of the cam member 60 and at the same time press the cam surface 63 of the cam member 60 to open the door plates 2 and 3. The door plates 2 and 3 can be opened smoothly by promoting the force.

[0007]

As described above, in the above-mentioned conventional digging type hinge, the folding door 1 can be smoothly opened and closed by the catching action.

However, in the hinge having such a structure, when the folding door 1 is particularly closed, the door plates 2 and 3 are closed smoothly as described above. Is attached, Kiguchi surface 2
There is a problem that an impact sound is generated due to a collision between a and 3a.

In this case, cushioning members such as Funny Serve and Clear Bumpon (both are trade names) are provided on the kiguchi surfaces 2a, 3a.
It is possible to suppress the generation of the above-mentioned impact sound by interposing between the a and a. However, since these cushioning members are hard and thick, when these are used, a gap is formed between the closed door plates 2 and 3. Will happen. The above problems also occur with the hinge of the direct attachment type.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a hinge capable of suppressing the generation of an impact sound due to a collision between the open ends of a folding door.

[0011]

According to the first aspect of the present invention,
Among a pair of mounting plates to be fitted into mounting holes formed in the opening of a door plate adjacent to the folding door, a slider urged toward the other mounting plate side by a pressing spring is provided on an upper surface of one of the mounting plates. A hinge provided with a cam member having a cam surface abutting on the tip of the slider on the upper surface of the other mounting plate, and the pair of hinges on the upper surface of the other mounting plate. When the mounting plate is closed, a shock-absorbing member which abuts on the slider and applies a brake to a sudden rotation of the pair of mounting plates when the pair of mounting plates is closed by the slider and the cam member is provided. Features.

According to the present invention, when each of the mounting plates is closed with the closing operation of the door plate of the folding door, the slider comes into contact with the buffer member, so that the slider and the cam member sharply rotate when the pair of mounting plates are closed. Braking gives movement.

According to a second aspect of the present invention, the cushioning member comprises:
It is formed of high-density urethane having a density of about 2 to 5 times that of urethane foam and having compressive deformation due to contact with the slider and slow complete restorability when the contact with the slider is released. It is characterized by having been done.

According to the present invention, the cushioning member has a density two to five times that of a general urethane foam, softens according to pressure and temperature, and provides uniform support according to the shape. However, due to the slow restoring force, rebound is prevented and a sufficient cushioning effect is exhibited.

According to a third aspect of the present invention, a woven or non-woven fabric is adhered to a surface of the cushioning member body of the cushioning member on which the slider comes into contact.

According to the present invention, abrasion resistance at the time of contact with the slider is improved by adhering a woven or non-woven fabric to the surface of the buffer member main body of the buffer member that contacts the slider.

According to a fourth aspect of the present invention, of a pair of mounting plates to be fitted into mounting holes formed in a wood opening of an adjacent door plate of a folding door, one of the mounting plates is mounted on the upper surface of the other mounting plate by a pressing spring. A hinge provided with a slider biased toward the plate side, and a cam member having a cam surface in contact with a tip end of the slider disposed on an upper surface of the other mounting plate; A buffer member is mounted on at least one of the outer peripheral walls protruding from the upper surfaces of the pair of mounting plates.

According to the present invention, when each of the mounting plates is closed with the closing operation of the door plate of the folding door, the outer peripheral walls protruding from the upper surfaces of the pair of mounting plates come into contact with each other via the buffer member. The door openings adjacent to the folding doors are indirectly butted against each other.

According to a fifth aspect of the present invention, the upper surface of one of the pair of mounting plates mounted on the door surface adjacent to the folding door is urged toward the other mounting plate by a pressing spring. A hinge provided with a slider having a cam surface, and a receiving member disposed on an upper surface of the other mounting plate and abutting against the cam surface of the slider to receive the urging force of the pressing spring; Between the mounting surfaces attached to the door plate surface of one of the mounting plates, a thin band-shaped buffer member is interposed in a state where the center portion thereof is separated from the mounting surface attached to the door plate surface,
When the pair of mounting plates are opened, buffering a collision between adjacent door plates of the folding door due to rapid rotation of the pair of mounting plates by the slider and the receiving member when the pair of mounting plates are fully opened. Features.

According to the present invention, when each of the mounting plates is opened in accordance with the closing operation of the door of the folding door, the slider and the receiving member suddenly rotate when the pair of mounting plates are fully opened. Collisions between the cut edges are buffered by the narrow band-shaped buffer member.

The invention according to claim 6 is characterized in that both ends of the narrow band-shaped buffer member are fixed to the mounting surfaces of the pair of mounting plates respectively mounted on the door plate surface.

According to the present invention, since both ends of the narrow band-shaped cushioning member are fixed to the mounting surfaces of the pair of mounting plates mounted on the door plate surface, respectively, when each mounting plate is mounted on the door plate surface, Since both ends of the band-shaped buffer member are sandwiched between the mounting surface of the mounting plate and the door plate surface, the buffer member is firmly fixed.

According to a seventh aspect of the present invention, one of the mounting surfaces of the pair of mounting plates mounted on the door plate surface is provided on one of the mounting surfaces on the other side of the narrow band-shaped buffer member having one free end. The end portion is fixed.

According to the present invention, since only the other end of the narrow band-shaped buffer member is fixed to the mounting surface of the one mounting plate, the buffer member is not buffered by the rotation of the pair of mounting plates.

[0025]

Embodiments of the present invention will be described below with reference to the drawings. Note that, in the drawings described below, parts common to those in FIG. 13 are denoted by the same reference numerals.

FIG. 1 shows an embodiment in which the hinge of the present invention is applied to a digging type.

As shown in FIG. 1, the hinge 10 is provided with mounting plates 20 and 30 that are rotatably connected via shaft pins 40 inserted through bearings 21 and 31. These mounting plates 20 and 30 have outer peripheral walls 22, 23, 32 and 33.
Are provided, and the door plates 2 and 3 of the folding door 1 have a wooden surface 2a,
It is fitted in mounting holes 4 and 5 formed in 3a. And these mounting plates 20 and 30 are countersunk holes 24 and 3
The screws 80 are screwed through the nuts 4 and are fixed to the respective cut surfaces 2a and 3a.

The mounting plate 20 is provided with a cam member 60 which receives the urging force of the slider 50 on the mounting plate 30 which is urged by a pressing spring (not shown).

A buffer member 70 made of high-density urethane is fixed to the inside of the outer peripheral walls 22 and 23 of the mounting plate 20 by an adhesive or the like.

The mounting method of the cushioning member 70 is not limited to the fixing method using an adhesive, but may be another fixing method using a double-sided tape or the like.

Here, the characteristics of the high-density urethane constituting the cushioning member 70 are as follows. Density 0.096 g / cm2 (ASTM D-3575 test method) Ball rebound 10% (ball weight 286 g, drop height 50.8 cm) Compressive strain (compression rate 25%) 0.105 kg / cm2 (ASTM D-3574 test method) (Compression rate 50%) 0.134Kg / cm2 (ASTM D-3574 test method) Compression set 0% (ASTM D-1564 test method) Tensile strength 1.54Kg / cm2 (ASTM D-412 test method) Compression creep 0 % (2 psi load 1000hrs room temperature) Elongation 155% (ASTM D-412 test method) Tear strength 0.46Kg / cm2 (ASTM D-412 test method) Recovery speed 3 minutes (2hrs 80% compression) Heat absorption 0 % (24hrs 127 ° C, no load) Flame retardant passed (California Notice 117)

Here, when the mounting plates 20 and 30 are closed, the fixed position of the buffer member 70 is
1 is a contact position. Here, the cushioning member 7
No. 0 has a density 2 to 5 times that of a general urethane foam, softens according to pressure and temperature, and provides uniform support according to the shape. In addition, due to the slow restoring force, rebound is prevented and an excellent cushioning effect is exhibited.

The hinge 10 having such a structure performs the following operation. First, when the hinge 10 is attached to the door surfaces 2a and 3a of the door plates 2 and 3 of the folding door 1, as shown in FIG.
The cut surfaces 2a, 3a are flush with each other, and in this state, the shaft pin 40, which is the butt line of the hinge 10, is aligned with the butt line x of the door plates 2, 3, and the mounting plates 20, 30 of the hinge 10 are connected to the wick. Fit into the mounting holes 4 and 5 of the surfaces 2a and 3a. After fitting the mounting plates 20, 30, these mounting plates 2
Screws 80 from countersunk holes 24, 34 formed in 0, 30
And hinges 10 to the doors 2 and 3 of the door 1
a, 3a. Here, three hinges 10 are usually attached between the door plates 2 and 3 of the folding door 1.

When closing the door plates 2 and 3 of the folding door 1 from the state shown in FIG. 1, for example, the mounting plates 20 and 30 of the hinge 10 are closed.
Rotate in a direction approaching each other. At this time, the slider 5
When the leading end of the cam plate 60 contacts the cam step 61 of the cam member 60, the slider 50 is pushed back by the cam step 61 against the urging force of the pressing spring, and the door plates 2 and 3 are braked in the closing direction. However, if the door plates 2 and 3 are to be closed as they are, the pushed back end of the slider 50 gets over the cam step 61 of the cam member 60, and at the same time, the leading end of the slider 50 is caught by the catching action. Is the cam member 6
By pressing the 0 cam surface 62, the closing force on the door plates 2 and 3 is promoted, and the door plates 2 and 3 are closed smoothly.

At this time, when each of the mounting plates 20 and 30 is closed with the closing operation of the door plates 2 and 3 of the folding door 1, the flat surface 51 of the slider 50 comes into contact with the cushioning member 70 as shown in FIG. Accordingly, the momentum when the door plates 2 and 3 are closed is braked by the above-described catching action. Thereby, the buttocks 2a and 3a are gently abutted with each other, so that no impact sound is generated and the door plates 2 and 3 of the folding door 1 are closed quietly.

As described above, in this embodiment, the folding door 1
When each of the mounting plates 20 and 30 is closed with the closing operation of the door plates 2 and 3, the slider 50 abuts on the cushioning member 70 so that the slider 50 and the cam member 60 close the pair of mounting plates 20 and 30. The braking is applied to the sudden rotation at the time, the generation of the impact sound is suppressed, and the door plate 2 of the folding door 1 is used.
3 is closed quietly.

In this embodiment, the cushioning member 70
Because it is made of high-density urethane, it softens according to pressure and temperature, and provides uniform support according to the shape, and due to the slow restoring force, to prevent rebound,
A sufficient buffer effect is exhibited.

In this embodiment, the cushioning member 70
Has been described using a high-density urethane alone, but the present invention is not limited to this example, and a thin cloth 72 may be attached to the upper surface side of the buffer member main body 71 as shown in FIG. In this case, the slider 50 is attached to the cushioning member main body 71 via the cloth 72.
Of the cushioning member body 7
1 is improved in abrasion resistance.

Further, as shown in FIG.
A thin plastic 73 may be adhered to the upper surface side of the slider 1. In this case, the durability of the slider 50 due to repeated contact with the flat surface 51 is improved.

Further, as shown in FIG. 6, a composite type in which a cloth 72 and a plastic 73 are adhered to the upper surface side of the cushioning member main body 71 may be used. It becomes excellent in abrasion and durability.

FIG. 7 shows another embodiment in which the configuration of the hinge of FIG. 1 is changed. That is, in this embodiment, for example, the outer peripheral walls 22, 23 on the mounting plate 20 side are used.
Cushioning member 90 such as rubber or an elastic foaming agent
Is attached.

In the hinge 10 having such a structure,
For example, when closing the door plates 2 and 3 of the folding door 1 from the state of FIG. 7, the cushioning member 90 elastically contacts the outer peripheral edges of the outer peripheral walls 32 and 33 on the mounting plate 30 side. , 3a are indirectly butted against each other, and the generation of impact noise is suppressed, and the door plates 2, 3 of the folding door 1 are closed quietly, as described above.

In this embodiment, the case where the cushioning member 90 is attached to the outer peripheral edges of the outer peripheral walls 22 and 23 on the mounting plate 20 side has been described. The buffer member 90 may be attached only to the outer peripheral edge side of the walls 32 and 33, or the buffer member 90 may be attached to both.

In this embodiment, the cushioning member 90
Has been described simply as having a shape along the outer peripheral edges of the outer peripheral walls 22 and 23. However, the present invention is not limited to this example. For example, as shown in FIG.
In this case, when the door plates 2 and 3 of the folding door 1 are closed, the flange portion 91 of the cushioning member 90 is interposed between the cut-out surfaces 2a and 3a. More effectively suppressed.

FIG. 10 shows another embodiment in which the configuration of the hinge of FIG. 1 is changed. That is, in the drawing, the hinge of the present invention is applied to a direct mounting type, and the mounting plates 120 and 130 of the hinge 110 are rotated via the shaft pins 140 inserted through the bearings 121 and 131. They are freely connected. In addition, these mounting plates 120, 1
Reference numeral 30 is attached to the door surfaces of the door plates 2 and 3 of the folding door 1 by screws (not shown).

The slider 150 on the side of the mounting plate 130 urged by a pressing spring (not shown) is mounted on the mounting plate 120.
The receiving member 160 which receives the urging force is provided.

When the mounting plates 120 and 130 are rotated via the shaft pins 140 in accordance with the opening and closing of the door plates 2 and 3 of the folding door 1, the cam step 151 provided at the distal end of the slider 150 is received. When the cam surface 152 pushes against the distal end of the receiving member 160 at the same time as it passes over the distal end of the member 160, the opening / closing force on the door plates 2, 3 is promoted, so that the doors 2, 3 open and close smoothly. Has become.

The bearing portions 12 of the mounting plates 120 and 130
At the base where the members 1 and 131 extend, a thin band-shaped buffer member 1 is provided.
00 are provided. The mounting of these cushioning members 100 is performed by the above-described fixing method, and one end is fixed to the mounting plate 120 side and the other end is fixed to the mounting plate 130 side.

Here, the length of each strip-shaped buffer member 100 is set to a length that does not hinder the opening and closing of each of the mounting plates 120 and 130, and when the door plates 2 and 3 are closed. In addition, the length is set so as not to protrude from the cut surfaces 2a and 3a.

In the hinge 110 having such a configuration, for example, when the door plates 2 and 3 of the folding door 1 are closed from the state shown in FIG. 10, the cushioning member 100 is in a state of protruding toward the cut-out surfaces 2a and 3a. Without changing its posture,
In the state as it is, as shown in FIG.
3a. As a result, the cut surfaces 2a and 3a are brought into contact with each other via the buffer member 100, and the generation of an impact sound is suppressed, and the door plates 2 and 3 of the folding door 1 are closed quietly as described above.

At this time, the length of each cushioning member 100 is set to a length that does not protrude from the cut edges 2a, 3a when the door plates 2, 3 are closed.
However, it does not protrude outside, giving a refreshing feeling.

On the other hand, from this state, the door plates 2 and 3 of the folding door 1
Even if it is opened, the length of each cushioning member 100 is set to a length that does not hinder the opening and closing of each of the mounting plates 120 and 130, so that there is no hindrance to the turning operation of the hinge 110. Has no effect.

As described above, in this embodiment, the folding door 1
With the closing operation of the door plates 2 and 3, the mounting plates 120 and 13
0 is released, the slider 150 and the receiving member 160
Due to rapid rotation of the pair of mounting plates 120 and 130 when the pair of mounting plates 120 and 130 are fully opened,
Since the collision between the members 3a is buffered by the thin band-shaped buffer member 100, the generation of the impact sound is suppressed, and the door plates 2 and 3 of the folding door 1 are closed quietly as described above.

In this embodiment, the case where two thin band-shaped buffer members 100 are provided in a loop shape extending between the mounting plates 120 and 130 has been described. However, the present invention is not limited to this example. May be one or three or more. Further, the present invention is not limited to such a loop shape. For example, as shown in FIG. 12, the configuration may be such that the buffer member 100 is halved. In this case, one end of the buffer member 100 is attached as shown in the figure. Instead of being fixed to the plate 120 side, one end may be fixed to the mounting plate 130 side, and one or three or more buffer members 100 may be provided.

In this case, only the other end of the narrow band-shaped cushioning member 100 is fixed to the mounting surface side of one of the mounting plates 120 or 130, so that the pair of mounting plates 120 and 1 is fixed.
The buffering member 100 is not buffered by the rotation of 30.

[0056]

As described above, according to the hinge of the present invention, in the case where each mounting plate is closed with the closing operation of the folding door, the slider comes into contact with the cushioning member. The braking is applied to the sudden rotation of the pair of mounting plates when the pair of mounting plates is closed by the slider and the cam member.

Further, in the case where each mounting plate is opened in accordance with the closing operation of the door of the folding door, the folding door is adjacent to the folding door due to rapid rotation when the pair of mounting plates are fully opened by the slider and the receiving member. Collisions between the edges of the doorboard are buffered by the narrow band-shaped buffer member.

Therefore, it is possible to suppress the generation of the impact sound due to the collision between the open ends of the folding door.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a hinge of the present invention.

FIG. 2 is a diagram for explaining the operation of the hinge of FIG. 1;

FIG. 3 is a view for explaining the operation of the hinge of FIG. 1;

FIG. 4 is a perspective view showing another embodiment in which the configuration of the cushioning member of FIG. 1 is changed.

FIG. 5 is a perspective view showing another embodiment in which the configuration of the cushioning member of FIG. 1 is changed.

FIG. 6 is a perspective view showing another embodiment in which the configuration of the cushioning member of FIG. 1 is changed.

FIG. 7 is a perspective view showing another embodiment in which the configuration of the hinge in FIG. 1 is changed.

FIG. 8 is a perspective view showing another embodiment in which the configuration of the hinge in FIG. 7 is changed.

FIG. 9 is a sectional view showing the hinge of FIG. 8;

FIG. 10 is a perspective view showing another embodiment in which the configuration of the hinge in FIG. 1 is changed.

FIG. 11 is a diagram for explaining the operation of the hinge in FIG. 10;

FIG. 12 is a perspective view showing another embodiment in which the configuration of the hinge in FIG. 10 is changed.

FIG. 13 is a perspective view showing a conventional hinge.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Folding door 2,3 Door plate 2a, 3a Opening surface 4,5 Mounting hole 10,110 Hinge 20,30 Mounting plate 21,31,121,131 Bearing 22,22,32,33 Outer wall 40,140 Axis pin 50 Slider 51 Plane 60 Cam member 70, 90, 100 Buffer member 71 Buffer member main body 72 Cloth 73 Plastic 80 Screw 91 Flange

Claims (7)

[Claims] 1. A pair of mounting plates to be fitted into mounting holes formed in a wooden opening of a door plate adjacent to a folding door, and a pressing spring is attached to an upper surface of one of the mounting plates toward the other mounting plate by a pressing spring. A hinge on which a biased slider is provided, and a cam member having a cam surface abutting on a tip end of the slider is provided on an upper surface of the other mounting plate; and an upper surface of the other mounting plate. A cushioning member that contacts the slider when the pair of mounting plates is closed and applies a brake to a sudden rotation of the pair of mounting plates when the pair of mounting plates is closed by the slider and the cam member. Hinge characterized by being done. 2. The cushioning member according to claim 1, wherein said cushioning member is made of urethane foam.
It is characterized by being formed of high-density urethane having about twice the density and having compressive deformation due to contact with the slider and slow complete restoration when the contact by the slider is released. The hinge according to claim 1, wherein 3. The hinge according to claim 1, wherein a woven fabric or a nonwoven fabric is adhered to a surface of the cushioning member body of the cushioning member that the slider contacts. 4. A pair of mounting plates to be fitted into mounting holes formed in a wooden opening of a door plate adjacent to the folding door, and one of the mounting plates is attached to the upper surface of the mounting plate toward the other mounting plate by a pressing spring. A hinge having a cam member having a cam surface abutting on a tip of the slider disposed on an upper surface of the other mounting plate; and an upper surface of the pair of mounting plates. A hinge, wherein a buffer member is attached to at least one of the outer peripheral walls protruding from the side. 5. A slider having a cam surface which is urged toward the other mounting plate by a pressing spring on an upper surface of one of the pair of mounting plates mounted on an adjacent door plate surface of the folding door. Is disposed on the upper surface of the other mounting plate, and a receiving member is disposed on the cam surface of the slider and receives the urging force of the pressing spring. Between the mounting surfaces attached to the door plate surface, a narrow band-shaped buffer member is interposed in a state where its center is separated from the mounting surface attached to the door plate surface, and when the pair of mounting plates are opened, A hinge for buffering a collision between adjacent door plates of the folding door due to rapid rotation of the pair of mounting plates when the slider and the receiving member fully open the pair of mounting plates. 6. The hinge according to claim 5, wherein both ends of the narrow band-shaped buffer member are fixed to mounting surfaces of the pair of mounting plates mounted on the door plate surface, respectively. 7. A thin band-shaped buffer member having one free end fixed to one of the mounting surfaces of the pair of mounting plates mounted on the door plate surface. The hinge according to claim 5, wherein the hinge is provided.