JPS5817892Y2 - hinge - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a hinge that can exert a closing force through the force of a spring.

Ordinary hinges do not have a self-closing function, so if a door is attached to an entrance using such a hinge, a magnetic catch or door latch will be required as an auxiliary device. If a spring is incorporated, the above-mentioned auxiliary parts can be omitted, which is more advantageous in practice.

By the way, in the case of a hinge in which a socket attached to the door side and a sliding arm of a mounting plate attached to the mounting frame side of the door are relatively connected by a link mechanism, the opening/closing range of the door can be set wide, and when the door is opened/closed,
Since the door opens and closes while drawing a unique trajectory, it is essential for door mounting structures that require these conditions.In the case of this hinge, the slide arm and multiple links have a special bending shape. The structure of the parts that make important movements is quite complex due to the fact that the slide arm intersects with one of the links, and there are many points where each member pivots to each other. Therefore, it is difficult to incorporate the spring for closing the door described above while avoiding functional problems due to interference between components, and furthermore, the range in which the spring is effective is within a small opening angle, and no spring resistance is applied at other opening angles. Doing so requires even more difficulty, and a satisfactory solution cannot be obtained by simply combining existing technologies.

The present invention incorporates a closing spring in a slide arm, a type of hinge in which a socket and a mounting plate are connected by multiple links, in order to satisfy the above technical issues, and also has other useful benefits. It is designed to be effective.

The following is a detailed description of the drawings showing the embodiments of the present invention. In FIGS. It is constructed using a spring 6 as a main member.

That is, the slide arm 3 is inserted into the guide grooves 7, 7, which are recessed symmetrically in the longitudinal direction on both the left and right sides of the mountain plate 1.
The sliders 8, 8 are pivoted and slidably engaged with the base ends 3a, 3a of the slide arm 3, while the tips 3b, 3b of the slide arm 3, which are bent in a substantially hook shape on the side, are inserted from the front end of the socket 2 by the shaft pin 9. The arm 4 is formed into a substantially half-crank shape on its side, and one end 4a of the arm 4 is connected to the socket 2.
The link 5 is pivotally connected to the rear end by a shaft pin 10, and one end 5a of the link 5 is connected to the front end 1 of the mounting plate 1.
a by an axle pin 11, and the link 5 and the slide arm 3 are intersected at substantially the center of each other, and the axle pin 1
2, and the other end 4b of the arm 4 and the other end 5b of the link 5 are pivotally connected by a pivot 13.

As shown in the figure, the mounting plate 1 is fixed to the inside of the mounting frame a with screws, etc., while the socket 2 is embedded and fixed in the door frame to attach the door frame to the mounting frame a, and the slide arm 3 is the mounting plate. By sliding along the guide groove 7 of the plate 1, the amount of removal can be set to a large value, and the opening angle of the door can be increased as shown in FIG.

Here, the base end 3a side of the slide arm 3 is formed into a substantially --shaped cross section, and the mounting plate 1
The mounting plate 1 is fitted so as to be able to slide upwardly, and the mounting plate 1 has a fixing member 1b fixed to the mounting frame a, and a fixing screw 14 adjusted on the fixing member 1b in the front-rear and up-down directions. The adjustment member 1C is adjustable and fixed by a screw 15.

The guide groove 7 is formed on the left and right side walls of the adjustment member 1C.
7 is a provision, and the link 5 is pivotally attached to the front end thereof.

Thus, the pivot 13 to which the arm 4 and link 5 are pivotally connected
and a long hole 16 extending in the longitudinal direction from the center of the link 5.
A movable pin 17 is fitted and installed to be movable to the movable pin 1.
A curved spring 6 is disposed at each of the ends 6 a and 6 b to apply a resilient force to the movable pin 17 and can be freely engaged with and disengaged from the movable pin 17 . A tongue-like engagement protrusion 18 is provided to project from one side of the arm 4 at an angle.

A plate spring or a linear spring is used for the curved spring 6, and the respective ends 6a and 6b are wound and supported by the pivot shaft 13 and the movable pin 17. When using a leaf spring as shown in FIG.
, 6b has a notch 6a' in the center.

6b', one of which has the other end 4b of the arm 4.
A collar 19 is rotatably fitted onto the movable pin 17 and arranged on the other end, and the collar 19 can be engaged with and detached from the engaging protrusion 18. It is.

Further, the movable pin 17, that is, the collar 19 and the engaging protrusion 18 close the opened door as shown in FIG. 3, resulting in an acute arbitrary opening angle θ as shown in FIG. When the door is further closed from the opening angle θ, the movable pin 17 is bent by the engaging surface 18a of the engaging protrusion 18, and the movable pin 17 is moved by the curved spring 6. When the door frame is partially closed, the elastic force of the curved spring 6 engages the door through the movable pin 17 and the collar 19. The locking surface 18a is formed so as to be inclined upward toward the tip of the engaging protrusion 18 in FIG. 1, and is set in advance so that a door-closing force is applied by pressing the protrusion 18 in the door-closing direction.

Furthermore, the tip of the engagement protrusion 18 is shaped into a curved surface so as to guide the movable pin 17, that is, the collar 19, to the engagement surface 18a.

The movable pin 17 may be directly engaged with and disengaged from the engagement protrusion 18, or, as shown in the illustrated example, a collar 19 may be fitted and inserted so that the collar 19 and the engagement protrusion 18 are engaged with and disengaged from each other. Of course, it is a good thing.

In the above structure, when the door is closed, the movable pin 17 is in elastic contact with the innermost part of the inclined retaining surface 18a of the engagement protrusion 18 via the collar 19, as shown in FIG. Since the arm 4 is pressed in the door closing direction, that is, in the right direction in the figure, by the bending spring 6, the door is held in the closed state.

When the door is opened from the above-mentioned closed state, the engaging protrusion 18
The movable pin 17 is pushed up through the collar 19 by the inclined engagement surface 18a of FIG. However, when the opening angle θ shown in FIG. 2 is reached, the relative engagement between the engaging protrusion 18 and the movable pin 17 is released.

At the same time as it comes off, the movable pin 17 is pushed down by the curved spring 6 within the effective length of the elongated hole 16 and stops at that position.

Therefore, once the door exceeds the opening angle θ shown in Fig. 2, it will no longer be interfered with by the curved spring 6, and from then on it will open to the widening angle to the position shown in Fig. 3 in the same way as with conventional hinges. be able to.

Further, when the door is closed from the opening position shown in FIG. 3 and the opening angle θ shown in FIG.

When the door is further closed with this, the movable pin 17
Since it is pressed by the engagement protrusion 18 via the curvature spring 6, it is pushed up against the elastic force of the curved spring 6 and moves along the elongated hole 16, so that it rides on the engagement surface 18a.

Then, since the engaging surface 18a is inclined as described above, the movable pin 17 is in elastic contact with the retaining surface 18a by the curved spring 6, so it slides toward the inner part of the retaining surface 18H.
Or, since the collar 19 rolls and tries to move, this causes a force to pull the arm 4 toward the link 5 side via the engagement surface 18a, that is, a door closing force, so that the door is closed as shown in FIG. The door is automatically closed to the state shown in FIG. 1 from the opening angle θ, and the door is held closed as described above.

As explained above, the present invention is a hinge that can omit magnetic catches, door latches, etc.
, 7, and the bent end of the tip 3b is pivotally connected to the front end of the socket 2 buried in the door, and the link whose one end 5a is pivotally connected to the front end 1a of the mounting plate 1. The other end 4b of the arm 4 has a substantially half-crank shape on its side and has one end pivotally connected to the rear end of the socket 2. and its axis 13
Then, a movable pin 17 is slidably engaged in a long hole 16 drilled in the center of the link 5, and a curved spring 6 is disposed on the movable pin 17 with each end supported. A curved spring 6 which elastically biases the movable pin 17 by the spring 6 and closes the movable pin 17 to an arbitrary angle.
A tongue-like engagement protrusion 18 that moves against the force and engages relative to the arm 4 is provided in a protruding manner on one end 4a of the arm 4, and its engagement surface 18a with the movable pin 17 is subjected to the closing force by the curved spring 6. Since it is formed to be inclined in the direction given, it can be used to attach a door, and after the door is closed to an arbitrary opening angle θ, it can be completely closed automatically, and the curved spring 6, the movable pin 17 comes into elastic contact with the inclined engagement surface 18a of the engagement protrusion 18, thereby exerting a predetermined closing force. Since the elastic force of the spring 6 is not applied, the spring does not become too strong unnecessarily when opening and closing the door, and since there is no bending of the link mechanism unlike when links and arms are replaced with spring materials, when opening and closing the door. Stability is obtained, and furthermore, since the hinge is of the slide arm type or non-cross type, and the bending spring 6 is installed across the joints of the two members 4 and 5 and the elongated hole 16 of one of the members 5, the spring 6 is small enough, and the same spring 6 can be used for other members 3, 4.
There is no collision interference with 5, therefore, the original function of the hinge can be secured and the intended purpose can be achieved distantly.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal side view of the door in the closed state, showing an example of how the hinge of the present invention is used, Fig. 2 is a partially cutaway side view of the door in the half-open state, showing an example of how the hinge is used, and Fig. 3 is a side view of the hinge in the half-open state. FIG. 4 is an exploded perspective view of the main parts of the hinge. 1...Mounting plate, 1a...
...Front end of mounting plate, 2...Socket, 3...Slide arm, 3a...
...Base end of slide arm, 3b...Tip of slide arm, 4...Arm, 4a...
・One end of the arm, 4b...Other end of the arm, 5.
...Link, 5a...One end of link, 5
b...Other end of the link, 6...Curved spring, 7...Guide groove, 13...Pivot, 16
...Slot hole, 17...Movement pin, 18.
...Engagement protrusion, 18 a...Engagement surface of the engagement protrusion.

Claims (2)

[Scope of utility model registration request] (1) The base end is slidably engaged in the guide groove of the mounting plate fixed to the door mounting frame, and the bent end of the tip is pivoted to the front end of the socket embedded in the door, and one end is connected to the slide arm. and a link pivotally connected to the front end of the mounting plate, and are cross-pivotally connected at approximately the center of each, and the other end of the nonk has a substantially half-crank shape on the side with one end pivotally connected to the rear end of the socket. A movable pin is slidably engaged with the pivot shaft and a long hole drilled from the center of the link, and each end is supported by the movable pin. A curved spring is arranged, and the movable pin is elastically biased by the spring, and
A tongue-like engagement protrusion is provided on one side of the arm to protrude from one side of the arm, and the tongue-like engagement protrusion moves against a curved spring to engage relative to each other when the movable pin is closed to an arbitrary angle, and the engagement surface with the movable pin is A hinge formed to be inclined in the direction in which the closing force is applied by the above-mentioned curved spring. (2) The hinge according to claim 1, wherein the link is formed in a substantially U-shaped cross section and has long holes facing each other on both side walls.