JP2508997Y2 - Hidden hinge for folding door - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concealed hinge that foldably connects folding doors to each other or a mounting portion thereof, and is embedded and fixed so as not to project from the end surface of the folding door.

[0002]

2. Description of the Related Art As shown in FIG. 12, a hidden hinge a for a folding door
Are dug holes f and g in the end faces d and e of the folding doors b and c which are adjacent to each other.
Are respectively provided, and the casings h and i are provided in the dug holes f and g.
Since it is embedded and fixed, the existence of the hinge a can be hidden from both inside and outside so as not to be seen. In particular,
The casings h and i embedded and fixed to the end face of the folding door are arranged in a crossing manner in which a substantially j-shaped link j is pivotally supported at one end and the other end enters the other casing. A structure in which the intersecting portion is rotatably supported and the other end is connected to the other end of a link whose one end is supported in the other casing (Japanese Patent Laid-Open No. 2403/1990).
No. 84 publication, etc.) are known.

[0003]

By the way, when the hidden hinge a described above is attached to the folding doors b and c and the door is closed,
It was unavoidable that a gap k was created between adjacent doors by the folding allowance of the doors. Since the light on the other side leaks from the gap k between the doors or drafts are blown, a packing material 1 is attached to the end surface of one door. However, in order to cut off the packing material 1 at the part where the hinge is embedded and fixed, the cutout gaps m and o still remain at the parts other than the part that is closed by the link j on the opposite facing surfaces of the casings h and i. However, I was not able to cover enough gaps.

In view of the above point, the present invention is designed to reduce the gap between the closing surfaces of the left and right casings as much as possible, thereby improving the airtightness between the folding doors and providing a good appearance. The purpose is to provide a concealed hinge for a folding door that can be made even better.

[0005]

A concealed hinge for a folding door according to the present invention for achieving the above object has a link mechanism that is rotatably connected and forms a pair on the left and right, and can be opened and closed via the link mechanism. And a pair of left and right casings that are pivotally supported by and are embedded and fixed in the end surface of the folding door and that have a closing surface that is substantially flush with the end surface of the folding door, and at least one of the pair of left and right casings that faces the closing surface. It is characterized in that a gap concealing member for closing a gap with the closing surface of the other casing is provided.

In the concealed hinge of the present invention, the gap concealing member is a rib projecting in the vertical direction of one closing surface, and a recessed line in which the rib is fitted in the vertical direction of the other closing surface is provided. The sun is preferably provided.

[0007]

In the concealed hinge according to the present invention having the above-mentioned structure, it is formed between at least one of the left and right casings on the mating surface and the mating surface of the opposing mating casing. Since the gap concealing member is provided so as to close the gap, even if there is a gap in the excised portion of the gap concealing between the folding doors, the excision gap is shielded by the gap concealing member in the closed state of the folding door. for that reason,
The airtightness of the interior and exterior spaces partitioned by folding doors is enhanced, and the appearance between the interior and exterior is improved.

Further, when a rib is provided in a protruding manner on the closing surface, if a rib is formed on the opposing closing surface, the rib is fitted into the recess, so that a gap due to an installation error or manufacturing tolerance. Hidden leaks are prevented.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 11 show two types of hidden hinges for folding doors and their components according to the embodiment. Here, FIGS. 1 to 5 show a case in which a gap concealing member is provided in the concealed hinges A and A for folding doors having no vertical position adjusting means, and FIGS. 6 to 11 show concealed hinges B for folding doors with both vertical position adjusting means. A case where a gap concealing member is provided on B (only one side is shown in FIG. 6) is shown.

The hidden hinges A, A, B, B for folding doors are examples of application of folding doors as partition members to the respective doors, and common parts and corresponding parts are designated by common reference numerals. Overlapping description is omitted.

The concealed hinges A, A for folding doors are a link mechanism 10 used as a common unit, and a digging hole 8 formed in the closing surfaces (end faces) 8a, 9a of the folding doors 8, 9.
It is provided with casings 20A and 20A of the same configuration which are embedded in and fixed to b and 9b and are paired on the left and right, and a catch mechanism 40 used as a common unit incorporated in the casing 20A. Here, among the casings 20A and 20A having the same configuration shown in FIG. 1, the left one is treated as a normal posture and the right one is treated as an inverted posture.

The link mechanism 10 has left and right pairs of link members 12 and 12 of the same construction, which are paired in left and right and which are generally in the shape of a letter "C" in a plan view, and intersect each other with their positions vertically displaced. Pin 11 inserted into pin insertion hole 16 as much as possible
It has a hinged structure that is connected so that it can rotate relative to each other.
Each of the link members 12, 12 includes a column portion 13 and two link pieces 14, 14 extending horizontally from the column portion 13. An insertion hole 17 is formed on one end side of the left and right link members 12, 12. A shaft pin 21 is inserted into the casing 20A so as to pass through the insertion hole 17, and the shaft pin 21 is inserted into the insertion hole 22 formed in the vertical direction. As a result, the link mechanism 1 is provided between the left and right casings 20A, 20A.
It is connected so that relative rotation is possible at 0.

Further, on the side surface of the base end of each of the link pieces 14, an engaging recess 14b, which is a component of a catch mechanism 40 described later, is formed, and an appropriate folding angle is maintained when the folding door is running. An engaging recess 14a is formed for this purpose. It should be noted that washers are appropriately arranged at each contact portion at the intersection of the link pieces 14 in order to suppress rotational wear and friction noise.

The casing 20A is formed with through holes 24, 24 with counterbore portions into which the fixing screws 50 common to the respective hinges are inserted, at the upper and lower ends thereof.
A female screw portion 29 with a counterbore portion into which a meandering adjusting screw 39 common to each hinge is inserted is formed adjacent to one side (lower side in the normal posture) of No. 4 of FIG. In addition, the pillar portion 13 of the link member 12 is provided at the central portion of the casing 20A.
A slide chamber 25 having guide grooves 26, 26 for slidingly guiding the short columnar convex portions 15, 15 projecting above and below is provided, and the catch mechanism 4 is provided on the side of the slide chamber 25.
A mounting hole 27 in which 0 is mounted is provided.

Then, one side of the closing surface (front end surface) 19 of the casing 20A (closer to the left in the normal posture).
In order to fill the gap generated when the hidden hinges A and A are closed, a recessed strip 31 having a semicircular cross section is provided above the slide chamber 25 as a gap concealing member in the regular posture, and the slide chamber is closed. 25 above the groove 31
A rib 32, which has a semicircular cross-section and extends in the up-down direction, is provided as a gap concealing member that fits in. In the inverted posture, the concave line 31 and the rib 32 are in opposite positions.

The catch mechanism 40 has an "I" -shaped slider 41 in a side view and a spring chamber 4 provided in the slider 41, which has a pointed end portion 41a having a V-shaped cross section.
The distal end portions of the coil springs 3 and 43 are inserted, and a coil spring 45 that constantly biases the slider 41 forward is provided. Although detailed description of the operation and the like of the catch mechanism 40 will be omitted, if necessary, a similar structure is disclosed in the specification of Japanese Patent Application No. 4-62991 by the applicant of the present application.

The concealed hinges B and B for folding doors have a link mechanism 10 as shown in FIGS. 6 to 11, and a digging hole 8b formed in the closing surfaces (end surfaces) 8a and 9a of the folding doors 8 and 9. ，
Left and right paired casings 20B and 20B having the same structure embedded in and fixed to 9b, and a catch mechanism 40 used as a common unit incorporated in the casing 20B.
Equipped with. Here, of the casings 20B and 20B having the same configuration shown in FIG. 6, the left one is treated as a normal posture and the right one is treated as an inverted posture.

The casing 20B is a casing body 20.
It has a divided structure including a and an up-and-down position adjusting member 30 attached thereto. The casing body 20a is
An ashtray-shaped mounting portion 34 having a brim in cross section is provided at the center portion of the vertical position adjusting member 30 with some margin in the vertical direction. On the rear side surface portions of the mounting recesses 34a, 34a located above and below the front portion of the mounting portion 34, there are provided internal thread portions 38 into which adjustment screws 35 for vertical position adjustment, which will be described later, are screwed, and thereafter. The surface of the side surface portion is formed as a non-slip portion 37 having fine irregularities.

Insertion holes 24, 24 with counterbore parts into which the fixing screws 50 are inserted are formed above and below the mounting recess 34a in the casing body 20a, and the insertion holes are formed. 24, 2
4 is formed adjacent to one side (the lower one in the normal position) with a counterbore portion, into which a screw 39 for common meandering adjustment is inserted, and further, the casing 20A and the above-mentioned casing 20A. A recess 31 and a rib 32 having the same shape are provided at the same position.

On the other hand, the vertical position adjusting member 30 is provided with an insertion hole 22, a slide chamber 25, a guide groove 26, and a mounting hole 27, which have the same structure as the above-mentioned parts provided in the casing 20A, and project vertically. Collar-shaped parts 33, 3 provided
3, elongated holes 36, 36 with counterbore portions into which adjusting screws 35 for vertical position adjustment are inserted are formed.

In the vertical position adjusting member 30, the collar-shaped portions 33, 33 are mounted in the mounting recess 34 of the casing body 20b.
It is assembled to the casing body 20a by pushing the whole into the mounting portion 34 so as to fit into the a and 34a, and screwing the adjusting screws 35 and 35 into the female screw portion 38 through the elongated holes 36 and 36 and tightening them. Then, by loosening the adjusting screws 35 and 35 and moving the casing body 20a fixed to the doors 8 and 9 with respect to the vertical position adjusting member 30 up and down within the range of the longitudinal length of the slot 36. The vertical positions of the doors 8 and 9 are adjusted.

Although the hidden hinges A and B for the folding door are not shown,
A casing 20A having the link mechanism 10 and the catch mechanism 40 and having no vertical position adjusting means, and a casing 20B having both side vertical position adjusting means are assembled.

The concealed hinge A for the folding door in each of the above embodiments
In A, B, B, A and B, when they are closed, the closing surface 1 of each casing 20A, 20B
Since the rib 32 closes the gap generated between the 9 and 19, the light leakage between the doors 8 and 9 is prevented, and in the folding door or the like used as a partition, the airtightness is improved and the appearance is improved. . Further, since the concave portions 31 into which the ribs 32 are fitted are provided in the opposing blade units, the concave and convex fitting can be performed.

Further, since the recessed strips 31 and the ribs 32 are symmetrically provided on the upper and lower sides of the link mechanism 10, the casings 20A and 20B can be easily replaced without any trouble. Becomes

The structure of the hidden hinge for the folding door and the rib 3
It is needless to say that the configurations of 2 and the recessed strip 31 are not limited to those described above, and various modifications can be made. For example, when the rib 32 is not provided with the meandering adjusting screw 39, the rib 32 can be extended to the other end, and can be provided above and below the closing surface 19 near the other end. Further, in addition to the ribs 32 and the concave stripes 31, a member that can hide the gap may be provided on the closing surface 19 for implementation.

[0026]

As described above, the concealed hinge for a folding door according to the present invention is formed between at least one of the left and right casing closing surfaces and the facing surface of the opposing blade unit. Since a gap concealing member is provided to close the gap, the excision gap of the gap concealment can be blocked, preventing the leakage of light in the past and preventing the gap between the interior and exterior spaces partitioned by folding doors. , Can improve the appearance. In addition, when a rib is projected on the closing surface of the casing and a concave portion into which the rib is fitted is formed on the facing surface of the opposing casing, the rib is fitted into the concave portion, so that a complete gap concealment is required. You can do it.

[Brief description of drawings]

FIG. 1 is a perspective view showing an open state of hidden hinges A and A for folding doors according to an embodiment.

FIG. 2 is a cross-sectional view showing the closed state of the folding hinges A and A of the embodiment, taken along line XX of FIG.

FIG. 3 is a front view showing a closed state of the folding door using the hidden hinges A and A for folding doors of the embodiment.

FIG. 4 is an exploded perspective view of hidden hinges A and A for folding doors according to the embodiment.

FIG. 5 is a cross-sectional view showing the open / closed state of the folding door hidden hinges A and A according to the embodiment, taken along line YY of FIG.

FIG. 6 is a perspective view showing an opened state of hidden hinges B and B for folding doors of the embodiment.

FIG. 7 is a cross-sectional view showing a closed state of folding hinges for folding doors B and B according to the embodiment, taken along line XX of FIG.

FIG. 8 is a front view showing a closed state of the folding door using the hidden hinges B and B for folding doors of the embodiment.

FIG. 9 is an exploded perspective view of one casing of the hidden hinges B and B for folding doors according to the embodiment.

FIG. 10 is a cross-sectional view showing the opened / closed state of the folding hinge hidden hinges B and B according to the embodiment, taken along line YY of FIG. 6;

FIG. 11 is a partial cutaway view of the hidden hinges B and B for folding doors of the embodiment.

FIG. 12 is a front view showing a closed state of a conventional folding door.

[Explanation of symbols]

10 Link Mechanism 12 Link Member 19 Closing Faces 20A, 20B Casing 30 Vertical Position Adjusting Member 31 Recessed Strip 32 Rib 40 Catch Mechanism A / A Concealed Hinge for Folding Door without Vertical Position Adjusting Means B / B Both Side Vertical Adjusting Means Hidden hinge for folding door

Claims (3)

(57) [Scope of utility model registration request] 1. A link mechanism that is rotatably connected and forms a pair on the left and right, and is pivotally supported by the link mechanism so as to be openable and closable, embedded in and fixed to the end surface of the folding door, and substantially flush with the end surface of the folding door. In a folding door concealed hinge including a pair of left and right casings having a closing surface, a gap concealing member for closing a gap between at least one closing surface of the pair of left and right casings and a closing surface of the other opposing casing. A hidden hinge for folding doors, which is characterized by being provided with. 2. The concealed hinge for a folding door according to claim 1, wherein the gap concealing member is a rib protruding in the vertical direction of one of the closing surfaces. 3. The concealed hinge for a folding door according to claim 2, wherein a recessed line into which a rib is fitted is provided in a vertical direction of the other closing surface.