JPS6319493Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hinge in which two rotating members are connected by a plurality of connecting members, and the opening and closing angle of the hinge can be particularly large.

Hinges that can increase the opening/closing angle are conventionally known, but in such hinges,
For example, as shown in FIG.
2 connected by two links 3 and 4,
A pivot pin 5 is provided across one of the cup-shaped rotating members 2, one link 3 is pivoted to the pivot pin 5, and the link 3 has a notch near the pivot point. By forming the location 6, both the rotating members 1 and 2 are made rotatable until the other link 4 enters the notch location 6 and stops pressing against the pivot pin.

Therefore, in a known hinge in which two rotating members are pivotally connected by two links, when the hinge is opened, the outer surface of one link is attached to the pivot end of the other link. Since they collide, the angles of both rotating members are regulated by this, and the structure in which the above-mentioned notch 6 is provided allows the parts that could not be rotated by more than the certain angle α shown in the figure to be able to rotate at the notch 6. , it can be rotated as wide as the other link 4 enters, that is, it can be rotated at a wide angle β as shown in the figure, but this angle β is the limit and it cannot be rotated beyond this angle. Ta.

Therefore, in the present invention, by optimizing the arrangement of the pivot pins provided on one of the rotating members, the opening and closing angle of the two rotating members can be increased, and the opening and closing angle of the two rotating members can be increased, thereby supporting the door, etc. The purpose is to make it more convenient to put things in and take them out, and to increase the strength of the hinge.

The drawings showing the embodiments of the present invention will be described in detail below. In FIGS. 2 and 3, a mounting plate 12 is fixed to the door frame 11 with screws, and the position is adjusted using screws not shown in the mounting plate 12. A freely fixed rotating member 13 and a cup-shaped rotating member 16 fitted into a recess 15 formed in the door 14 and fixed with a screw are connected to the door 14 in the recess when the door is closed. 17, in which the front end 13' of the rotating member 13 enters, the four first, second,
They are connected by third and fourth links 18, 19, 20, and 21.

That is, one end of the first link 18 and one end of the second link 19 are pivotally connected to the front end 13' and the rear end 13'' of the rotating member 13 by pivot pins 22 and 23, respectively. 18 and the other end of the second link 19, the base end of the third link 20 and the base end of the fourth link 21 are connected to pivot pins 24, 25, respectively.
The first link 18 is pivotally connected to the first link 18, and
Both links 18 and 21 are located approximately in the middle of the fourth link 21.
is pivotally supported by a pivot pin 26.

The front end 13' of the rotating member 13 is bifurcated, and one end of the first link 18 is inserted and pivoted, and the rear end 13'' is on both sides.
An inclined step portion 27 is provided for abutting the second link 19 and regulating its rotation range.

The third link 20 is bent into a half-crank shape at approximately the middle, and its tip 20' is placed inside the cup-shaped rotating member 16.
It is pivoted by a pivot pin 28 provided at the center position in the width direction, which is the depth direction of the paper plane of FIGS. 2 and 3, but in the illustrated example, FIGS. As clearly shown in Figure 6,
In this rotating member 16, the other rotating member 1
A pair of bearing ribs 28', 28' are provided protrudingly on the side away from the third link 20, and the tip 20' of the third link 20 is pivotally supported on the pivot pin 28 fixedly installed between the bearing ribs 28'. .

Therefore, the pivot pin 28 does not extend through the entire width of the rotating member 16 (in the depth direction of the drawing), but has bearing ribs 28', 28' only at the center in the width direction as described above. Holes as recesses 17, 17 are formed on both sides of the bearing rib in the width direction, and when the door is closed, as shown in FIG. 16' to face the first link 18, and an adjustment screw 30 is screwed from the bent portion 29 to the proximal end so as to face the first link 18. At the time of opening, the fourth
It is adapted to butt against the pivot pin 34 in the link 21.

Furthermore, as shown in FIG. 4 more clearly, the fourth link 21 is formed into a letter shape from approximately the middle portion to the base end side, and the left and right side walls 31,
31 is extended and the tip side has two branch rods 32, 32.
The first link 18 is arranged between the two branching rods 32, 32, and both the links 18, 21 are pivotally connected by a pivot pin 26. , 32's tip 32',
32' is formed into a hook shape that can be inserted into the recesses 17, 17 in the cup-shaped rotating member 16, and its bent ends 33, 33 are connected to the third link 2.
A pivot pin 34 is provided in the cup-shaped rotating member 16 on the opposite side of the pivot pin 28 at 0, that is, on the side of the other rotating member 13, in the width direction of the bent ends 33, 33. It is pivotally supported.

In the above configuration, when the door is closed, the fourth link 21 is held in the retracted position with respect to the one rotating member 13, as shown in FIG. The third link 20 and the third link 20 are almost overlapped, and the pivot pin 24 that supports them is projected and held by the back mold of the door 14, and the front end side 13' of the rotating member 13 is connected to a cup-shaped rotating member. 16 and is held at right angles to the door frame 11. What is important here is that when closing the door, the tips 32', 32' of the branch rods 32, 32 of the fourth link 21 , without colliding with the pivot pin 28 of the third link 20, it is possible to enter on both the left and right sides thereof and deeply enter the inner bottom side of the recesses 17, 17 formed in the cup-shaped rotating member 16. It is.

Therefore, since the first link 18 is approximately parallel to the fourth link 21, its base end is attached to the pivot pin 2.
4, the third link 20 pivots counterclockwise relative to the first link 18 until it is in a substantially horizontal state, and then the adjustment screw 30
The inner end of the fourth link 21 hits the pivot pin 34 of the bent end 33 of the fourth link 21, and the opening of the door 14 is regulated and stops at that position, resulting in the open state of FIG. 3.

In this way, the door 14 together with the rotating member 16 obtains an opening angle θ, which, as is clear from the figure, is a wide angle of approximately 180 degrees.

Further, by screwing the adjusting screw 30 forward or backward to arbitrarily change the position where it abuts the pivot pin 34, the door opening angle θ can be adjusted as desired.

As embodied in the above embodiment, the present invention is
In a hinge in which both ends of a plurality of links are pivotally supported by two opposing rotating members 13, 16, at least one of which is cup-shaped and can be rotated relative to one another, one end of a first link 18 and one end of a second link 19 are pivotally supported by the front end and the rear end of one of the rotating members 13, respectively, and the base ends of a third link 20 and a fourth link 21 are pivotally supported by the other ends of the first and second links, respectively, and the intermediate portions of the first link 18 and the fourth link 21 are pivotally attached to the other ends of the first and second links, respectively, and the tip side of the fourth link 21 is formed into a branch rod 32 having a substantially hook-shaped side, and the first link 18 is received between the two branch rods. The third link 20 has a tip 20' which is located on the side of the one rotating member 13 and is pivotally supported on the inside of the other cup-shaped rotating member 16 by a pivot pin 28 provided on bearing ribs 28', 28' protruding from the cup-shaped rotating member 16 at a position between the two branch rods 32. When the door is closed, the tip portions 32' of the two branch rods 32 are located on both sides of the pivot pin 28 in the width direction and are inserted into recesses 11 in the cup-shaped rotating member 16.
The two rotating members are rotatable so that they can enter the inner casings 7 and 17. Therefore, the cup-shaped rotating member 16 has bearing ribs 28',
Since the fourth link 21 is reinforced by the pivot pin 28' and the pivot pin 28 is not provided across the entire width of the member but is short, it can of course withstand a sufficient load. Furthermore, the provision of the pivot pin 28 in this manner allows the tip ends 32, 32' of the fourth link 21 to enter sufficiently deeply into the recesses 17, 17 formed in the cup-shaped rotating member 16 without colliding with the pivot pin 28. As a result, the rotating members 13,
16 The mutual opening angle can be made wide, at about 180 degrees, which makes it convenient for items to enter and exit when used as a door.

[Brief explanation of the drawing]

Fig. 1 is a vertical side view of an example of a conventional wide-angle opening hinge when opened, Fig. 2 is a longitudinal side view of the hinge according to the present invention when closed, and Fig. 3 is a side view of the hinge when opened. FIG. 4 is an exploded perspective view of the main components of the hinge, and FIGS. 5 and 6 are a partially cutaway perspective view and a plan view, respectively, showing a cup-shaped rotating member. 13, 16... Rotating member, 17... Recess of cup-shaped rotating member, 18... First link, 19... Second link, 20... Third link, 20'... Third link
Tip of link, 21...Fourth link, 28...
Pivot pin, 28'... bearing rib, 32... branching rod,
32'...Tip of branch rod, 33...Bent end.

Claims (1)

[Scope of utility model registration request] In a hinge in which both ends of a plurality of links are pivoted to two rotating members, at least one of which is cup-shaped and opposed to each other so as to rotate, the front end of the one rotating member and one end of a first link and a second link are respectively pivotally supported on the rear end;
The base ends of the third link and the fourth link are respectively pivotally supported on the other ends of both the second links, and the intermediate portions of the first link and the fourth link are respectively pivotally connected, and the fourth
The distal end side of the link is formed into a branching rod having a substantially hook-shaped side surface, and the first link is received and pivoted between the two branching rods, and the other cup-shaped rotating member includes the first link. The third link is located on the side of the rotating member and pivotally supports the bent ends of both branching rods in the width direction, and the tip of the third link is on the side farther away from the one rotating member than the pivot point, and is pivoted by a pivot pin provided on a bearing rib protruding from the cup-shaped rotating member at a position between the widths of the two branching rods, so that the tips of the two branching rods are connected to the pivot point when the door is closed. A hinge that is located on both sides of the support pin in the width direction and allows both rotating members to freely rotate so that they can enter the recesses in the cup-shaped rotating member.