JPH07233670A - Damper built-in hinge - Google Patents

Abstract

PURPOSE:To provide a damper built-in hinge capable of being assembled in one touch and optionally changing the opening/closing angle by inserting the rotary shafts of the right and left dampers into the insertion holes of an outer wing via the elastic force of a compression coil spring. CONSTITUTION:The right and left dampers 24, 22 are inserted into the insertion hole 28 of the cylinder section 16 of an inner wing 12 to compress a compression coil spring 26 at the center, and the end faces of rotary shafts 36, 36 are stored in the insertion hole 28. When the bearing sections 52, 52 of an outer wing 14 are made to coincide with the end faces of the rotary shafts 36, the rotary shafts 36, 36 of the dampers 22, 24 are naturally inserted into the insertion holes 54, 54 of the outer wing 14 via the elastic force of the compression coil spring 26. When the numbers 56, 56 put on the outer wing 14 and the shaft marks L1, L2 put on the rotary shafts 36, 36 of the right and left dampers 24, 22 are variously combined for assembling, the initial angle between the inner wing 12 and the outer wing 14 can be freely changed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damper built-in hinge in which the hinge has a damper effect.

[0002]

2. Description of the Related Art In recent years, for example, noises caused by opening and closing hinges at the opening and closing parts of the top and bottom, such as toilet seats and toilet lids of western style toilets, keyboard lids of pianos, etc., and prevention of damage to furniture, equipment etc. Therefore, many rotary dampers have been used.

However, when the damper is inserted in the hinge part, the structure of the hinge itself is complicated, and the assembly of the hinge is not easy, and a dedicated damper must be prepared and used. Had the drawback that it could not be changed freely and easily.

[0004]

SUMMARY OF THE INVENTION The present invention has been made by paying attention to the above-mentioned drawbacks, and it is extremely easy to assemble the damper when it is installed in the hinge.
An object of the present invention is to provide a hinge with a built-in damper that can easily change the rotation angle.

[0005]

In order to solve the above problems, the present invention provides an inner wing (12) having an insertion hole (28).
When the casing (34) is inserted into the insertion hole (28) in a non-rotatable manner, and the outer casing (34) is rotated clockwise, high torque is generated, and the outer peripheral surface protruding outward has a polygonal shape. A right rotation damper (2) having a rotating shaft (36)
2), the casing (34) which is inserted into the insertion hole (28) in a non-rotatable manner, and the outer casing (34) has a polygonal outer peripheral surface which generates high torque when left-handed and rotates outward. A left rotation damper (24) having a rotating shaft (36) having a shape, and a compression coil spring (26) interposed in the center when the dampers (22, 24) are inserted into the insertion hole (28). , A fitting hole (5) having a shape corresponding to the shape of each rotation shaft (36) of both the dampers (22, 24).
An outer wing (14) having a bearing portion (52, 52) provided with a damper built-in hinge.

The outer peripheral surfaces of the casings (34) of the dampers (22, 24) are polygonal, and the insertion holes (2)
8) may have a polygonal shape corresponding to the shape of the outer casing (34), and a groove (28a) is formed in the axial direction of the insertion hole (28) so as to fit in the outer groove (28a). The ridges (34a) may be formed on the outer circumference of the casing (34) in the axial direction.

The axis mark (R) is attached to the rotary shaft (36) in order to determine the position of the starting point of rotation of the rotary shaft (36) and align the position.
1, L1) and the casing (34)
The casing mark (R2, L2) may be provided on the. Also, the bearing portion (5) of the outer wing (14)
If the numbers (56) are attached at equal intervals around the fitting holes (54, 54) in (2, 52), the initial angle can be easily changed.

[0008]

As a method of assembling, the compression coil spring (26) is centered in the insertion hole (28) of the cylindrical portion (16) of the inner wing (12), and the left and right dampers (24, 22) are arranged.
Insert. When inserting, the compression coil springs (26) are compressed so that the rotary shafts (36, 3) are compressed.
When the end face of 6) is inserted so as to be housed in the insertion hole (28) and the bearing portions (52, 52) of the outer wing (14) are aligned with the end faces of the rotary shafts (36, 36),
The dampers (22, 24) are urged outward by the elastic force of the compression coil spring (26), and the insertion holes (54, 5).
The rotating shafts (36, 36) are naturally fitted in 4). Therefore, its assembly is very simple and can be done with one touch.

Further, as shown in FIGS. 5 and 6, the number (56) of the outer wing (14) and the left and right dampers (2).
When the shaft marks of the rotary shafts (4, 22) (36) are assembled in various combinations, the initial angles of the inner wing (12) and the outer wing (14) can be freely changed, and one damper built-in hinge is provided. The opening and closing angle can be easily changed with.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the drawings. FIG. 1 is an exploded perspective view of a hinge (10) according to the present invention, which is an inner wing (12) which is a fixing plate.
And an outer wing (14) which rotates with respect to the inner wing (12).

The inner wing (12) has a tubular cylindrical portion (16) serving as a shaft portion, and a flat plate-shaped mounting portion (18) mounted on the main body side of, for example, a piano. There is. The mounting portion (18) has a screw hole (2) for mounting.
0, 20) are formed. Further, the cylindrical portion (16) includes a pair of right rotation dampers (22) and left rotation dampers (2).
4) and an insertion hole (28) into which the compression coil spring (26) is inserted are formed.

As the right rotation damper (22) and the left rotation damper (24), known ones are used. For example, the high torque rotary damper disclosed in Japanese Patent Laid-Open No. 4-282039 is used.

This damper, as shown in FIG.
A casing (34) having a chamber (32) filled with a viscous fluid (30) is rotatably combined with the casing (34) and rotatable in the chamber (32). The rotation shaft (36) and the axial blade (38) provided on the rotation shaft (36) can be locked with play in the rotation direction, and the other surface is the wall surface of the chamber (32) or the rotation. A movable valve (40) made of synthetic resin, which is rotatable while slidingly contacting the peripheral surface of the shaft (36), and has a plurality of fluid passages (having different cross-sectional areas) to change the resistance according to the direction of relative rotation. 42, 44, 46) the shaft blade (38)
And the movable valve (40) are provided at the contact portion. (48) is a stopper integrally formed with the casing (34).

This rotary damper has almost no resistance to rotation in one direction, and acts to generate a large resistance only to rotation in the opposite direction, that is, rotation in the small passage (44) direction. The resistance in the case of rotation toward the small passage (44) side is that a very high torque is generated because the movable valve (40) and the shaft blade (38) are in contact with each other and there is no gap.

In FIG. 4, the rotary shaft (36) is protected in order to prevent the movable valve (40) made of synthetic resin from being pinched and damaged between the shaft blade (38) and the stopper (48) in FIG. It is a damper showing an example in which a pair of protectors (50, 50) is provided.

Returning to FIG. 1, the left and right dampers (24, 2)
Since the casing (34) of 2) is non-rotatable with respect to the insertion hole (28), the outer surface of the casing (34) and the insertion hole (28) are hexagonal in the illustrated example. However, in the present invention, it is not limited to the hexagonal shape, but may be another polygonal shape as long as it is fixed to the insertion hole (28). Although the casing (34) may be circular, as shown in FIG. 2, one or a plurality of grooves (28a) extending in the axial direction are formed in the inner wall of the insertion hole (28), and the grooves (28a) are formed. One or more ridges (34a) that fit into the casing (28a) are formed in the casing (34) so that the casing (34) is fixedly mounted in the insertion hole (28) without rotating. Good.

The right damper (22) has a rotating shaft (36).
Project outward, and the peripheral surface of the projecting portion is formed in a hexagonal shape, and an end surface thereof is provided with an indication (R) indicating that a damper effect is obtained when rotating clockwise and an arrow pointing in the right rotating direction. ing. Similarly, the rotation shaft (36) from which the left damper (24) also protrudes is formed in a hexagonal shape, and an end face thereof is provided with a display (L) indicating that a damper effect is obtained when left rotation and an arrow in the left rotation direction. It is attached. The rotating shaft (36) is a hexagon in the illustrated embodiment, but it is not limited to a hexagon and may be a regular polygon.

Each of the dampers (22, 24) is an example in which one stopper (48) is shown as shown in FIGS. 3 and 4, but two stoppers (48) are formed at opposite positions, and a movable valve ( 40) and the like respectively, the rotation of the rotation shaft (36) is in the rotation range of 0 to 180 degrees.

The rotary shaft (36) of the right damper (22) has a shaft mark (R1), the casing (34) has a casing mark (R2), and the cylindrical portion (16) of the inner wing (12). A wing mark (R3) is attached to the end surface. Axis mark (R1) and casing mark (R2)
Starting from the position where and match, the right damper (22)
When the rotary shaft (36) rotates to the right, it rotates 180 degrees while obtaining the damper effect, and when it rotates counterclockwise, which is the reverse rotation, the damper effect cannot be obtained.

Similarly, on the rotary shaft (36) of the left damper (24), the shaft mark (L1) is attached to the casing (3).
4) The casing mark (L2) is provided on the cylindrical portion (16).
A wing mark (L3) is attached to the end surface. Starting from the position where the shaft mark (L1) and the casing mark (L2) coincide, the left damper (24) produces a damper effect when its rotation shaft (36) rotates 180 counterclockwise, and rotates right, which is reverse rotation. Then, the damper effect cannot be obtained.

At both ends of the outer wing (14), bearing parts (52, 52) for receiving the rotary shafts (36) of the left and right dampers (24, 22) are provided, and both bearing parts (5) are provided.
2, 52) between the inner wing (12) and the cylindrical portion (1
It has a spacing slightly longer than the axial length of 6). Further, fitting holes (54, 5) into which the polygonal rotary shafts (36, 36) are fitted are formed in the bearing portions (52, 52).
4) is formed. Around the outer fitting hole (52, 52) is a hexagon in the embodiment shown in the drawings,
Numbers up to 6 (56) are attached.

The damper built-in hinge (10) according to the present invention has the above-mentioned structure. Next, the assembling method and the using method will be described.

First, the inner wing (1
2) The compression coil spring (26) is centered in the insertion hole (28) of the cylindrical portion (16) of the left and right dampers (2).
4, 22) is inserted. At this time, insert the right damper (22) by aligning the casing mark (R2) and the wing mark (R3), and also insert the left damper (24) by aligning the casing mark (L2) and the wing mark (L3). However, it will be the starting point of both dampers. When inserting, the end faces of the rotary shafts (36, 36) are inserted into the insertion hole (28) so as to compress the compression coil spring (26).
When it is inserted so as to be housed inside and each bearing portion (52, 52) of the outer wing (14) is aligned with the end face of each rotary shaft (36, 36), the compression coil spring (26)
The dampers (22, 24) are urged outward by the elastic force of the rotating shafts (36, 36) in the fitting holes (54, 54).
Fits in naturally. Therefore, its assembly is very simple and can be done with one touch.

Next, a description will be given of the change of the angle when the above-mentioned damper having the rotation angle of the rotary shaft (36) of 0 to 180 degrees is used, as shown in FIG. 5 (a). No. (56) of "1" and the axis mark (R) attached to the rotary shaft (36) of the right damper (22).
When combined with 1), the initial angle of the inner wing (12) and the outer wing (14) is 0 degrees as the starting point, and when the outer wing (14) is rotated clockwise from this state, a damper effect is obtained and 180 degrees. Rotate up to.

In FIG. 5B, when the number "56""2" is aligned with the axis mark (R1), the initial angle is 60 degrees, and the outer wing (1) from 60 degrees to 240 degrees.
4) shows the rotation of 4).

Further, FIG. 5 (c) is an example showing the rotation of the outer wing (14) from 120 degrees to 300 degrees with the initial angle set to 120 degrees in the same manner.

Next, when it is desired to obtain a damper effect in the direction in which the outer wing (14) closes with respect to the inner wing (12), the left and right dampers (24, 22) are replaced and assembled. That is, in FIG. 1, the right damper (22) is inserted into the insertion hole (28) from the right end of the cylindrical portion (16), and the left damper (24) is inserted from the left end. Then, as shown in FIG. 6A, when the number "56" of "4" is aligned with the axis mark (L1) of the rotary shaft (36), the initial angle between the inner wing (12) and the outer wing (14). Is 180 degrees as a starting point, and when the outer wing (14) is rotated counterclockwise from this state, the outer wing (14) is rotated to 0 degrees and closed while obtaining the damper effect.

In FIG. 6B, when the number "56""5" is aligned with the axis mark (L1), the initial angle is 240 degrees, and the outer wing (14) from 240 degrees to 60 degrees. It shows the rotation.

Further, FIG. 6 (c) is an example showing the rotation of the outer wing (14) from 300 degrees to 120 degrees with the initial angle set to 300 degrees in the same manner.

In this way, it is possible to easily change a plurality of open / close angles with one type of damper built-in hinge. In the illustrated embodiment, the hexagonal shape is changed every 60 degrees. However, if the rotation axis (36) is octagonal, the opening / closing angle can be changed every 45 degrees.
Therefore, if the rotary shaft (36) is formed in a free polygonal shape, the opening / closing angle can be freely obtained.

[0031]

As described above, according to the present invention, even a hinge having a damper effect can be assembled in a very simple manner with one touch.

Further, various kinds of mounting positions and opening / closing angles can be changed with one kind of damper hinge, and it is possible to easily cope with the object to be mounted.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a damper built-in hinge according to the present invention.

FIG. 2 is a partial perspective view showing another embodiment of a damper casing and an inner wing insertion hole.

FIG. 3 is a schematic sectional view of a known damper showing an example of the damper of the present invention.

FIG. 4 is a schematic cross-sectional view showing another example of the damper.

FIG. 5 is a schematic view showing an example in which a damper effect is obtained in the opening direction of the hinge and the initial angle is changed according to the present invention.

FIG. 6 is a schematic view showing an example in which a damper effect is obtained in a direction in which a hinge is closed and an initial angle is changed according to the present invention.

[Explanation of symbols] 12 inner wing 14 outer wing 22 right damper 24 left damper 26 compression coil spring 28 insertion hole 34 casing 36 rotating shaft 52 bearing portion 54 fitting hole 56 number R1 shaft mark R2 casing mark L1 shaft mark L2 casing mark

Claims (6)

[Claims] 1. An inner wing (1) having an insertion hole (28)
2), the casing (34) which is inserted into the insertion hole (28) in a non-rotatable manner, and a high torque is generated when the casing (34) is rotated to the right with respect to the outer casing (34), and the outer peripheral surface protruding outward is polygonal. A right rotation damper (22) having a rotation shaft (36) having a shape
The casing (34) non-rotatably inserted into the insertion hole (28) and the outer casing (34) generate a high torque when rotating counterclockwise, and the outer peripheral surface protruding outward has a polygonal shape. Counterclockwise rotation damper (24) having a rotating shaft (36)
And a compression coil spring (2) which is interposed in the center when the dampers (22, 24) are inserted into the insertion hole (28).
6), and an outer wing (14) having a bearing portion (52, 52) having a fitting hole (54, 54) having a shape corresponding to the shape of each rotary shaft (36) of both the dampers (22, 24). )
And a hinge with a built-in damper. 2. The casing (34) of each of the dampers (22, 24) has a polygonal outer peripheral surface, and the insertion hole (2)
Hinge with a built-in damper according to claim 1, characterized in that 8) is a polygonal shape corresponding to the shape of the outer casing (34). 3. A groove (28) in the axial direction of the insertion hole (28).
a) and forms a ridge (34) that fits in the outer groove (28a).
The hinge with a built-in damper according to claim 1, wherein a) is formed on the outer periphery of the casing (34) in the axial direction. 4. The rotary shaft (36) is provided with shaft marks (R1, L1) for determining the position of the starting point of rotation of the rotary shaft (36) and performing alignment, and the casing (3) is provided.
4. The hinge with a built-in damper according to claim 1, wherein casing marks (R2, L2) are provided in 4). 5. The bearing portion (5) of the outer wing (14)
The damper built-in hinge according to claim 1, wherein the fitting holes (54, 54) are provided with numbers (56) at equal intervals around the fitting holes (52, 52). 6. A rotary shaft (3) of the damper (22, 24).
6. The hinge with a built-in damper according to claim 1, wherein the protruding portion of the outer wing (6, 36) is hexagonal, and the fitting hole (54) of the outer wing (14) is hexagonal.