JPH0514461U - Hidden hinge - Google Patents

Abstract

(57) [Abstract] [Purpose] The door can be moved substantially parallel to the front-back direction with respect to the fixed frame at the end of the door closing and the start of the door opening, and the door can be in both the fully open position and the fully closed position. Provide a hidden hinge that can be accurately held at. [Structure] The second shaft hole 7 of the bearing plate portion 4 of the fixed side vane 8 is located closer to the mounting plate portion 3 than the first shaft hole 6 and farther from the connecting plate portion 5 than the first shaft hole 6. Arranged and slewing blade 16
The first shaft hole 15 of the bearing plate part 9 is arranged at a position closer to the mounting plate part 11 than the first shaft hole 14 and farther from the communication plate part 13 than the first shaft hole 14, and the first link plate 19 and the second link plate 22 are connected to the fixed side vane 8 and the rotating side vane 16 by individual shaft rods passing through the respective axial holes, and the operating bar 24 is attached to the guide cylinder portion 23 of the fixed side vane 8 in the front-back direction. The compression coil spring 27, which is inserted and received in the receiving hole 26 of the spring holder 25 of the fixed side blade 8, is brought into contact with the base end portion 24b of the operation bar 24, and the tip end portion 24a of the operation bar 24 is attached to the base end portion of the first link plate 19. Abut on the rear surface on the end side.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a hidden hinge in which each component such as a fixed-side blade and a rotating-side blade is hidden inside a fixed frame and a door when the door is closed.

[0002]

[Prior Art]

 In the conventional hidden hinge disclosed in Japanese Utility Model Publication No. 59-3077, a fixed side blade fixed to the back surface of the face plate portion of the fixed frame and a rotary side blade fixed to the back surface of the door are provided as a single link. Since the shafts are connected via the plates, the door only draws a simple rotational trajectory during the entire opening / closing operation, and the door is fixed to the fixed frame at the end of door closing and the beginning of door opening. It cannot be applied to applications where it is desired to move it approximately parallel to the front-back direction.

Further, in the conventional concealed hinge disclosed in Japanese Utility Model Laid-Open No. 52-160060, since a spring for biasing the door to rotate in the opening direction works even when the door is closed, 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]

[Problems to be solved by the device]

 Therefore, the object of the present invention can be applied to applications in which 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 the door closing and the beginning of the door opening, and the door can be moved by a single compression coil spring. The goal is to provide a hidden hinge that can be properly retained in both the fully open and fully closed positions.

[0005]

[Means for Solving the Problems]

 The hidden hinge of the present invention comprises a stationary blade 8 attached to a fixed frame 1, a rotating blade 16 attached to a door 9, and a shaft rod 17. A first link plate 19 connected to the fixed-side blade 8 and connected to the rotating-side blade 16 by a shaft rod 18, a first link plate 19 connected to the fixed-side blade 8 by a shaft rod 20, and a rotating-side blade 16 by a shaft rod 21. The second link plate 22 connected to the fixed side vane 8, the actuating bar 24 slidably fitted in the guide tube portion 23 of the fixed side vane 8, and the receiving hole 26 of the spring holder 25 of the fixed side vane 8. It is composed of a compression coil spring 27.

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 that are connected to the mounting plate portions 3 and 3 at right angles are mounted. Connection is made with a connecting plate 5 which is parallel to the plates 3 and 3. 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 and is arranged farther from the connecting plate portion 5 than the first shaft hole 6.

The mounting plate portions 11 and 11 of the rotary side blade 16 are fixed to the rear plate portion 10 of the door 9, and the bearing plate portions 12 and 12 that are continuously connected to the mounting plate portions 11 and 11 at right angles are mounted to the mounting plate portion 11. , 11 and the connecting plate 13 which is parallel to each other. 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 9, and the second shaft hole 15 is attached more than the first shaft hole 14. The plate portion 11 is arranged closer to the plate portion 11 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 formed to be bent 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. The spring holder 25 is fixed to the base end portion of the connecting plate portion 5. The distal end portion 24a of the operating bar 24 abuts on the rear surface of the first link plate 19 on the proximal end side, and the compression coil spring 27 housed in the front-rear receiving hole 26 contacts the proximal end portion 24b of the operating bar 24 at the front end portion. Contact.

[0010]

As shown in FIG. 11, when the door 9 is in the closed state, the connecting plate portion 13 of the rotating-side blade 16 is arranged at a right angle to the connecting plate portion 5 of the fixed-side blade 8, and the first link plate 19 is provided. Are arranged inside the rotary side vane 16, and most of the second link plates 22 are arranged inside the rotary side vane 16. The compression coil spring 27 abuts on the base end 24b of the actuation bar 24, the tip end 24a of the actuation bar 24 abuts on the base end side back surface of the first link plate 19, and the tip end side front face of the first link plate 19 Is in contact with the connecting plate portion 13 of the rotating-side blade 16, so that the elastic force of the compression coil spring 27 acts in the direction in which the closed state of the door 9 is maintained.

When the door 9 is pulled toward the front and rotated in the opening direction around a hinge shaft (not shown) connecting the door 9 to the fixed frame body 1, the distal end portion 24 a of the operating bar 24 moves to the first position. Since it is pushed by the 1-link plate 19, the actuating bar 24 slides backward along the guide tube portion 23 and presses the compression coil spring 27 by the base end portion 24b.

During the pulling rotation of the door 9, the action direction of the elastic force of the compression coil spring 27 reverses, the operating bar 24 slides forward along the guide tube portion 23, and the tip end portion 24 a of the first link plate 19 Push the back of. In this way, the door 9 which receives the rotational bias by the compression coil spring 27 is automatically opened even if the hand is released.

At the initial stage of the opening operation of the door 9, the rotary side blade 16 is guided or regulated by the first link plate 19 and the second link plate 22 and approximates 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 1 and then rotates.

As shown in FIG. 12, when the door 9 is opened up to 90 degrees, most of the first link plate 19 is arranged inside the rotary side vane 16 and most of the second link plate 22 is arranged. Are arranged inside the fixed-side vane 8. The bent middle part of the second link plate 22 abuts on the connecting plate part 5 of the fixed side vane 8, and the tip end part 24a of the actuating bar 24 abuts on the first link plate 19. Since the tip end portion of the second link plate 22 is in contact with, the elastic force of the compression coil spring 27 acts to hold the door 9 in the open state.

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 with the fixed side blade 8. The door 9 abuts on the door contact portion 2 of the fixed frame body 1 by drawing a locus approximating to. When the door 9 reaches the fully closed position, the tip end portion of the first link plate 19 abuts on the connecting plate portion 13 of the rotating side blade 16.

[0016]

【Example】

 In the illustrated embodiment, each mounting plate portion 3 of the fixed-side blade 8 is fastened and fixed to the side surface of the door contact portion 2 of the fixed frame body 1 by a screw 29 screwed into the screw hole 37 from the through hole 28. Each mounting plate portion 11 of the rotating side blade 16 is fastened and fixed to the rear 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 guide cylinder portion 23 is welded by fitting the protruding plate portion 32 at the base end portion into the groove hole 33 of the communication plate portion 5. The spring holder 25, which is tightly fitted between the bearing plate portions 4 and 4, is fastened and fixed to the fixed side vane 8 by a screw 36 screwed from the through hole 34 of the communication plate portion 5 into the screw hole 35 of the spring holder 25. Has been done.

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.

[0019]

[Effect of the device]

 As described above, in the concealed hinge of the present invention, the second shaft hole 7 into which the shaft rod 20 of the bearing plate portion 4 of the fixed-side blade 8 is inserted is attached more than the first shaft hole 6 into which the shaft rod 17 is inserted. The first shaft hole 15 that is located closer to the plate part 3 and is located farther from the communication plate part 5 than the first shaft hole 6 and into which the shaft rod 21 of the bearing plate part 9 of the rotating side blade plate 16 is inserted is , The rod 18 is located closer to the mounting plate portion 11 than the first shaft hole 14 into which the shaft rod 18 is inserted, and is further separated from the connecting plate portion 13 than the first shaft hole 14, and the first link plate 19 is provided. The second link plate 22 is connected by the rod 17 and the shaft rod 18 to the fixed-side blade 8 and the rotating-side blade 16 by the shaft rod 20 and the shaft rod 21, so that the closing operation and the opening operation of the door 9 are terminated. At the beginning of the, the rotation-side blade 16 draws a rotation trajectory that is similar to the parallel movement with respect to the fixed-side blade 8, and is hidden. Turn of the application target is enlarged.

Further, in the hidden hinge of the present invention, the operating bar 24 is slidably inserted in the front and rear direction into the guide tube portion 23 fixed to the connecting plate portion 5 of the fixed-side blade 8, and the connecting plate portion 5 is attached. The compression coil spring 27 is accommodated in the front-rear receiving hole 26 of the fixed spring holder 25 in an unloaded state, and the tip end portion 24a of the operation bar 24 is brought into contact with the rear surface of the base end portion of the first link plate 19 to compress it. Since the front end portion of the coil spring 27 is brought into contact with the base end portion 24b of the operation bar 24, the single compression coil spring 27 can properly hold the door 9 in both the fully open position and the fully closed position.

[Brief description of drawings]

FIG. 1 is a front view of a 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.

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

10 is a cross-sectional view taken along the 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 contact 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 cylinder 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 Projection plate part 33 Groove hole 34 Through hole 35 Screw hole 36 Screw 37 Screw hole 38 Screw hole 39 Spacer 40 Spacer 41 Spacer 42 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 part 3 than the first shaft hole 6, and Fixed-side vanes 8 arranged farther from the connecting plate portion 5 than the holes 6; 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 bearing plate portions 12, 12 are connected by a connecting plate portion 13 parallel to the mounting plate portions 11, 11, and each bearing plate portion 9 is provided with a first shaft hole 14 and a second shaft hole 15, and a second shaft hole. 15 for the first shaft hole 1
4 closer to the mounting plate portion 11, and the first shaft hole 14
And a rotation-side blade 16 disposed apart from the connecting plate 13, and a base end portion thereof is 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. , The tip end portion is connected to the bearing plate portions 12, 12 of the rotating side blade 16 by the shaft rod 18 passing through the first shaft holes 14, 14, and is connected to the connecting plate portion 13 of the rotating side blade 16 when the door 9 is fully closed. The first link plate 19 with which the front surface of the tip portion abuts; 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 passing through the second shaft holes 7 and 7, and the second shaft hole 15 , 15 is connected to the bearing plate portions 12, 12 of the rotary side blade 16 by a shaft rod 21 passing through the fixed side blade 8 when the door 9 is fully opened when the intermediate portion is bent toward the first link plate 19. A second link plate 22 that abuts on the connecting plate part 5; An actuation bar 24 that is slidably inserted in the rear direction and has a tip end portion 24a abutting on the rear surface of the first link plate 19 on the base end side; A hidden hinge including a compression coil spring 27 housed in a front-rear receiving hole 26 of the provided spring holder 25, and the front end portion of which comes into contact with the base end portion 24b of the operating bar 24.