JPH075179Y2 - Push-acting hidden hinge - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hidden hinge in which components such as a fixed-side blade and a rotating-side blade are hidden inside a fixed frame and a door when the door is closed.

[0002]

2. Description of the Related Art In a conventional hidden hinge disclosed in Japanese Utility Model Publication No. 59-3077, a fixed side blade fixed to the back surface of a front plate portion of a fixed frame and a rotary side blade fixed to the back surface of a door. Since the doors are connected by a shaft rod via a single link plate, the door only draws a simple rotation trajectory throughout the entire opening / closing operation, and the door is fixed at the end of door closing and the beginning of door opening. It cannot be applied to applications where it is desired to move the body substantially parallel to the front-back direction.

Further, in the conventional hidden hinge disclosed in Japanese Utility Model Laid-Open No. 52-160060, a spring for urging the door to rotate in the opening direction works even when the door is closed, so that the door is fixed to the frame. There is a problem in that unnecessary force is applied to the locking means such as a latch plate that locks the locking means and the resistance when unlocking the locking means increases.

[0004]

Therefore, the object of the present invention can be applied not only to applications where it is desired to move the door substantially parallel to the front and rear direction with respect to the fixed frame body at the end of closing the door and the beginning of opening the door. (EN) A pressing actuating type hidden hinge in which a spring for urging the door in the opening direction is activated when the door is pressed.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A pressing operation type hidden hinge according to the present invention will be described below with reference to the reference numerals in the accompanying drawings. A fixed wing plate 8 attached to a fixed frame 1 and a door 9 are provided.
Attached to the rotary side vane 16, a first link plate 19 connected to the fixed side vane 8 by a shaft rod 17 and a rotary side vane 16 by a shaft rod 18, and a fixed side vane 8 by a shaft rod 20. And the fixed side blade 8 and the second link plate 22 connected to the rotating side blade 16 by the shaft rod 21.
Bar 24 slidably inserted in the guide tube portion 23 of
And a compression coil spring 27 housed in the receiving hole 26 of the spring holder 25 of the stationary blade 8.

The mounting plate portions 3 and 3 of the fixed side vane 8 are fixed to the side surfaces of the door abutting portion 2 of the fixed frame body 1, and the bearing plate portions 4 and 4 connected to the mounting plate portions 3 and 3 at right angles are mounted. The connecting plates 5 parallel to the plates 3 and 3 are connected. A first shaft hole 6 into which the shaft rod 17 is fitted and a second shaft hole 7 into which the shaft rod 20 is fitted are provided in each bearing plate portion 4, and the second shaft hole 7 is attached to the mounting plate portion more than the first shaft hole 6. 3 is located closer to the connecting plate 5 than the first shaft hole 6 is.

The mounting plate portions 11 and 11 of the rotary side blade 16 are fixed to the back plate portion 10 of the door 9, and the bearing plate portions 12 and 12 that are continuously provided at right angles to the mounting plate portions 11 and 11 are mounted to the mounting plate portion 11. , 1
The connecting plate portion 13 parallel to 1 is connected. A first shaft hole 14 into which the shaft rod 18 is fitted and a second shaft hole 15 into which the shaft rod 21 is fitted are provided in each bearing plate portion 12 , and the second shaft hole 15 is formed into the first shaft hole 14.
Are arranged closer to the mounting plate portion 11 than in the first shaft hole 14 and further apart from the communication plate portion 13 than the first shaft hole 14.

The shaft rod 17 is fitted into the base end portion of the first link plate 19, and the shaft rod 18 is fitted into the tip end portion of the first link plate 19. The shaft rod 20 is fitted into the base end portion of the second link plate 22, and the shaft rod 21 is fitted into the tip end portion of the second link plate 22. The second link plate 22 is bent and formed toward the first link 19.

The guide cylinder portion 23 is fixed to the front end portion of the connecting plate portion 5 of the fixed-side blade 8 in the front-rear direction. Spring holder 25
Is fixed to the base end of the connecting plate 5. The tip end 24a of the actuating bar 24 abuts on the back surface of the connecting plate portion 13 of the fixed-side vane 16, and the compression coil spring 27 housed in the front-rear receiving hole 26 abuts the base end 24b of the actuating bar 24 at the front end. Contact.

[0010]

When the door 9 is in the closed state as shown in FIG. 11, the connecting plate portion 13 of the rotating side blade 16 is fixed to the fixed side blade 8.
Of the first link plate 19 is arranged at right angles to the connecting plate portion 5 of the second link plate 2
Most of 2 is arranged inside the rotary side vane 16.
The compression coil spring 27 in the unloaded state abuts on the base end portion 24b of the actuation bar 24, and the tip end portion 24a of the actuation bar 24 abuts on the connecting plate portion 13 of the rotating side blade 16.

When the door 9 is pressed toward the fixed frame 1 within the range allowed by the gasket, packing, etc. interposed between the fixed frame 1 and the door 9, the end portion 24 of the operating bar 24 is pressed.
Since a is pushed by the connecting plate portion 13 of the rotating side blade 16, the operating bar 24 slides backward along the guide tube portion 23 and presses the compression coil spring 27 by the base end portion 24b. Therefore, the compression coil spring 27 receives a compression load in the spring holder 25.

When the pressing of the door 9 is released, the compression coil spring 27 expands and restores in the receiving hole 26 in the front-rear direction, so that the operating bar 24 slides forward along the guide tube portion 23, and the tip portion of the operating bar 24. 24 a projects from the guide tube portion 23 and pushes the back surface of the connecting plate portion 13 of the rotating side blade 16. In this way, the door 9 which is biased by the compression coil spring 27 to rotate is opened as it is.

In the initial stage of the opening operation of the door 9, the rotary side blade 16 is regulated without guiding by the first link plate 19 and the second link plate 22, and is approximate to a parallel movement with respect to the fixed side blade 8. Draw a turning trajectory. That is, the door 9 moves substantially parallel to the front side of the fixed frame body 1 and then rotates.

As shown in FIG. 12, when the door 9 is opened to a predetermined angle, most of the first link plate 19 is arranged inside the rotary side vane 16 and most of the second link plate 22 is located. It is arranged inside the fixed-side blade 8. The tip end portion 24 a of the operation bar 24 is in a state of protruding from the guide tube portion 23.

When the door 9 is closed, in the final stage of the closing operation, the rotating side blade 16 is guided or restricted by the first link plate 19 and the second link plate 22 and moves in parallel to the fixed side blade 8. The door 9 abuts on the door abutting portion 2 of the fixed frame body 1, drawing a locus approximating to. When the door 9 reaches the fully closed position,
The connecting plate portion 13 of the rotating-side blade 16 comes into contact with the tip end portion 24a of the actuating bar 24 in the protruding state.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, each mounting plate portion 3 of the fixed side vane 8 has a screw 2 screwed into a screw hole 37 from a through hole 28.
By 9 it is fastened and fixed to the side surface of the door contact portion 2 of the fixed frame body 1. Each mounting plate portion 11 of the rotating side blade 16 is fastened and fixed to the back plate portion 10 of the door 9 by the screw 31 screwed into the screw hole 38 from the through hole 30. Two sets of the operating bar 24 and the compression coil spring 27 are used.

Each of the guide cylinders 23 has a protrusion plate 3 at the base end.
2 is fitted in the slot 33 of the connecting plate portion 5 and welded. The spring holder 25, which is tightly fitted between the bearing plate portions 4 and 4, is inserted from the through hole 34 of the communication plate portion 5 into the spring holder 25.
It is fastened and fixed to the fixed-side blade 8 by means of a screw 36 screwed into the screw hole 35. The base end portion 24b of the operation bar 24 is bent. When the base end portion 24b comes into contact with the end surface of the guide tube portion 23, the operation bar 24
Is prevented from pulling out.

A disk-shaped spacer 39 is fitted to the end of the shaft rod 17 of the first link plate 19, and a short cylindrical spacer 40 is fitted to the end of the shaft rod 18 of the first link 19. . The shaft rod 20 of the second link plate 22 is fitted with a long cylindrical spacer 40, and the shaft rod 21 of the second link 19 is fitted with a long cylindrical spacer 41. Second link plate 2
2 is composed of a plurality of sheets, and a disc-shaped spacer 42 is fitted between them. The tip of each shaft rod is fixed by swaging.

[0019]

[Effects of the Invention] As described above, the hidden hinge of the present invention,
Second in which the shaft rod 20 of the bearing plate portion 4 of the fixed-side blade 8 is fitted and inserted
The shaft hole 7 is arranged at a position closer to the mounting plate portion 3 than the first shaft hole 6 into which the shaft rod 17 is inserted and further separated from the communication plate portion 5 than the first shaft hole 6, and is a blade on the rotating side. The first shaft hole 15 into which the shaft rod 21 of the bearing plate portion 12 of 16 is inserted is closer to the mounting plate portion 11 than the first shaft hole 14 into which the shaft rod 18 is inserted,
The first link plate 19 is arranged at a position farther from the connecting plate portion 13 than the shaft hole 14, and the first link plate 19 is formed by the shaft rod 17 and the shaft rod 18.
Since the second link plate 22 is connected to the fixed-side blade 8 and the rotating-side blade 16 by the shaft 20 and the shaft 21, the door 9
At the end of the closing operation and the beginning of the opening operation, the rotating-side blade 16 draws a rotating trajectory similar to the parallel movement with respect to the fixed-side blade 8, and the application target of the hidden hinge is expanded.

Further, in the hidden hinge of the present invention, the actuating bar 2 is attached to the guide tube portion 23 fixed to the connecting plate portion 5 of the fixed side blade 8.
4 is slidably inserted in the front-rear direction, the compression coil spring 27 is accommodated in the front-rear receiving hole 26 of the spring holder 25 fixed to the connecting plate portion 5 in an unloaded state, and the distal end portion 24a of the operating bar 24 is provided. Is brought into contact with the back surface of the connecting plate portion 13 of the fixed-side blade 16 and the front end portion of the compression coil spring 27 is brought into contact with the base end portion 24b of the operation bar 24. Therefore, the compression coil spring 27 for urging the rotation of the door 9 is provided. Does not operate unless the door 9 is pressed toward the fixed frame body 1. That is, when the door 9 is closed, no extra force is exerted on the locking means of the door 9, so that the unlocking operation of the door 9 does not receive a large resistance.
It can be done lightly.

[Brief description of drawings]

FIG. 1 is a front view of a pressure actuated hidden hinge according to an embodiment of the present invention.

FIG. 2 is a rear view of the hidden hinge.

FIG. 3 is a right side view of the hidden hinge.

FIG. 4 is a left side view of the hidden hinge.

FIG. 5 is a plan view of the hidden hinge.

FIG. 6 is a bottom view of the hidden hinge.

7 is a cross-sectional view taken along the line AA of FIG.

8 is a cross-sectional view taken along the line BB of FIG.

FIG. 9 is a sectional view taken along line CC of FIG.

10 is a cross-sectional view taken along line DD of FIG.

FIG. 11 is a cross-sectional view showing a usage pattern of the hidden hinge,
The door is closed.

FIG. 12 is a cross-sectional view showing a usage pattern of the hidden hinge,
The door is open.

[Explanation of symbols]

 1 Fixed frame 2 Door contact part 3 Mounting plate part 4 Bearing plate part 5 Connecting plate part 6 First shaft hole 7 Second shaft hole 8 Fixed side vane 9 Door 10 Back plate part 11 Mounting plate part 12 Bearing plate part 13 Communication Plate portion 14 First shaft hole 15 Second shaft hole 16 Rotating blade plate 17 Shaft rod 18 Shaft rod 19 First link plate 20 Shaft rod 21 Shaft rod 22 Second link plate 23 Guide tube portion 24 Actuating bar 25 Spring holder 26 Receiving hole 27 Compression coil spring 28 Through hole 29 Screw 30 Through hole 31 Screw 32 Projecting plate portion 33 Groove hole 34 Through hole 35 Screw hole 36 Screw 37 Screw hole 38 Screw hole 40 Spacer 41 Spacer 42 Spacer 43 Spacer

Claims (1)

[Scope of utility model registration request] 1. Bearing plate parts 4, 4 are connected at right angles to mounting plate parts 3, 3 fixed to the side surfaces of a door contact part 2 of a fixed frame body 1,
Both bearing plate parts 4, 4 are connecting plate parts 5 parallel to the mounting plate parts 3, 3.
, And each bearing plate portion 4 is provided with a first shaft hole 6 and a second shaft hole 7, the second shaft hole 7 is closer to the mounting plate portion 3 than the first shaft hole 6, and Fixed-side vanes 8 arranged farther from the connecting plate portion 5 than the holes 6, and bearing plate portions 12 and 12 connected to the mounting plate portions 11 and 11 fixed to the rear plate portion 10 of the door 9 at right angles. , The two bearing plate portions 12 and 12 are connected by a connecting plate portion 13 parallel to the mounting plate portions 11 and 11, and each bearing plate portion 12 is provided with a first shaft hole 14 and a second shaft hole 15, and a second shaft hole. 15 closer to the mounting plate portion 11 than the first shaft hole 14, and the first shaft hole 1
4 and a rotating side blade 16 arranged farther from the connecting plate portion 13; and a base end portion connected to the bearing plate portions 4 and 4 of the fixed side blade 8 by a shaft rod 17 passing through the first shaft holes 6 and 6. And a first link plate 19 whose tip is connected to the bearing plate portions 12, 12 of the rotary side blade 16 by a shaft rod 18 passing through the first shaft holes 14, 14; and passing through the second shaft holes 7, 7. The base end portion is connected to the bearing plate portions 4 and 4 of the fixed-side blade 8 by the shaft rod 20, and the tip end portion is connected to the bearing plate portion 12 of the rotating-side blade 16 by the shaft rod 21 passing through the second shaft holes 15 and 15. 12 connected to the first link 19
A second link plate 22 that is bent toward the fixed side wing plate 8;
An operating bar 24, which is slidably fitted in the front and rear direction in a guide tube portion 23 fixed to the tip of the connecting plate portion 5, and whose tip portion 24a abuts against the rear surface of the connecting plate portion 13 of the fixed side blade 16. ;
A spring holder 25 fixed to the base end portion of the connecting plate portion 5 of the fixed-side blade 8 is accommodated in a front-rear receiving hole 26 of the spring holder 25 in an unloaded state, and the front end portion abuts the base end portion 24b of the operating bar 24. A pressure actuated hidden hinge consisting of a coil spring 27.