JPH11353543A - Rotary projecting butt hinge device for automatic vending machine or the like and fixed frame body for automatic vending machine or the like equipped with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotary projecting butt hinge device of an automatic vending machine or the like and a fixed frame body of automatic vending machine or the like by which the mechanical strength of a movable part is strengthened, preventing the generation of a fault due to clogging of sands or the like between gears and which is strong against destruction owing to prying open with a tool or the like. SOLUTION: One end of the reinforced arm plate 6 of a hinge for a door upper part is clamped by an upper part base plate 2 and an upper part reinforcing base plate 4, one end of the reinforced arm plate 6 of the hinge for a door lower part is clamped by a lower part upper side base plate 22 and a lower part lower side base plate 23 and all the gears are inserted to the gear insertion part 6a of the reinforced arm plate 6. Upper and lower parts are covered with the reinforcing arm plate 5 and a protective wall 25 for closing a clearance between this fixed frame body 1 and a door 21 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a take-out rotary hinge device used for a door of a vending machine or the like.

[0002]

2. Description of the Related Art The present inventor has already proposed a takeout rotary hinge device in Japanese Patent Application No. 9-70805,
This hinge device has insufficient strength because the movable part is cantilevered, and furthermore, the gear part is exposed, so that sand and pebbles are clogged between the gears and they do not rotate, and strength and safety are secured. There is a problem in terms of. In addition, since a part of the hinge device is mounted on a door that protrudes to the front side of the fixed frame, a tool such as a bur or an electric chain saw is inserted into a gap between the door and the fixed frame, so that the hinge device is recessed. There is a risk that the door may be incorrectly removed from the fixed frame by being opened and broken, or the shaft pin or the like being cut.

[0003]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a structure in which the movable portion is sandwiched between two plates, all the gears are made invisible from the exterior, and a protective wall for closing the gap is added to improve the strength and strength. An object of the present invention is to provide a rotary hinge device for taking out a vending machine or the like with improved safety.

[0004]

Means for Solving the Problems Hereinafter, a description will be given using reference numerals in the accompanying drawings. The take-out rotary hinge device such as a vending machine according to the first aspect of the present invention is welded to the upper end of a fixed frame 1 such as a vending machine. An upper base plate 2 which is fixed by bolts 19 and the like, the tip of which protrudes toward the front side of the opening of the fixed frame 1 and the base ring plate 3 is fixed to the tip by welding or the like; Upper reinforcing base plate 4 fixed to base plate 2
A reinforced arm plate 6, one end of which is sandwiched between overhangs of the upper base plate 2 and the upper reinforcing base plate 4, and attached to the upper and lower surfaces of the reinforced arm plate 6 by screws 20 as lids. The reinforcing arm plate 5 is inserted into the gear inserting portion 6a of the reinforcing arm plate 6, and both ends of the shaft are fixed to the overhanging portions of the upper base plate 2 and the upper reinforcing base plate 4. A fixed gear 7; inserted into the gear insertion portion 6a of the reinforcing arm plate 6;
An intermediate gear 8 meshed with the rotary gear 9 inserted into the gear insertion portion 6a of the reinforcing arm plate 6 and meshed with the intermediate gear 8.
A first link plate in which a shaft protruding from below the rotating gear 9 is fitted and fixed to one end where the link ring plate 12 is fixed by welding or the like, and a first shaft pin 13 is screwed into the other end. 10, the third shaft pin insertion portion 6b of the reinforced arm plate 6
Into the retaining ring 1 with the thrust washer 18 interposed therebetween.
7, the third shaft pin 15 hung on the reinforcing arm plate 5 on the lower surface.
A second link plate 11 having one end fixed to the other end of the third shaft pin 15 and a second shaft pin 14 screwed into the other end. The first shaft pin 13 and the second shaft pin 14 are Hinge for the door upper part fixed to the door, and the upper base of the hinge for the door upper part
The base plate 2 and the upper reinforcing base plate 4 are replaced with a lower upper base plate 22 and a lower lower base plate 23, respectively, and other components are shared and assembled vertically to be symmetrical. And a hinge for the lower part of the door attached to the lower end.

According to a second aspect of the present invention, there is provided a fixed frame such as a vending machine equipped with the take-out rotary hinge device according to the first aspect of the present invention.
A protection wall 25 for closing a gap between the door 21 and the fixed frame 1 is provided.

As shown in FIG. 1, one end of a reinforced arm plate 6 of a hinge for a door upper part is sandwiched between an upper base plate 2 and an upper reinforcing base plate 4, and as shown in FIG. One end of the reinforced arm plate 6 of the hinge for the door lower portion is sandwiched between the lower upper base plate 22 and the lower lower base plate 23, so that the mechanical strength of the movable portion is improved. Further, all the gears of the fixed gear 7, the intermediate gear 8, and the rotating gear 9 are inserted into the gear insertion portion 6a of the reinforcing arm plate 6, and the upper and lower sides are covered with the reinforcing arm plate 5. The parts do not appear in the appearance, and sand and pebbles do not clog between the gears.

The operation of the take-out rotary hinge device will be described. As shown in FIG.
When closed, the first link plate 10 and the second link plate 11 are both folded within the plane contour of the reinforced arm plate 6. When the door 21 is released in the clockwise direction in FIG. 8, the reinforced arm plate 6 is moved as shown in FIG.
The intermediate gear 8 driven by the fixed gear 7 rotates clockwise, and the rotary gear 9 driven by the intermediate gear 8 is driven counterclockwise. Therefore, the first link plate 10 fixed to the shaft of the rotary gear 9 is also driven to rotate in the counterclockwise direction, and protrudes from the plane contour of the reinforcing arm plate 6. At this time, the first shaft pin 13 and the second shaft pin 14 are fixed to the door 21 and the distance between them is constant.
Along with the projection of the first link plate 10, the second link plate 11 also rotates counterclockwise about the third shaft pin 15 and projects outside the plane contour of the reinforced arm plate 6. . Such an opening operation is performed symmetrically with respect to the door upper hinge shown in FIG.

As described above, the reinforced arm plate 6 rotates about the fixed gear 7 and protrudes toward the front side of the opening of the fixed frame 1, and the first link is rotated in a direction opposite to the rotation of the reinforced arm plate 6. The plate 10 rotates to protrude out of the plane contour of the reinforced arm plate 6 and the door 2
1 rotates in the rotation direction of the reinforced arm plate 6 about the first shaft pin 13, so that the rotation center of the door 21 is taken out by a required amount to the front side of the opening of the fixed frame 1. The door 21 is shown in FIG.
When it is opened to the position 1, it comes to a position where it does not hinder the taking-out operation of the internal drawer or the like. Further, since the opening operation of the door 21 is restricted within a certain limit by the second link plate 11, the opened door 21 does not collide with the adjacent vending machine 24 or the like.

When the door 21 is closed and locked, the take-out hinge device is arranged in a space surrounded by the protective wall 25, and the gap between the door 21 and the fixed frame 1 is closed by the protective wall 25. Therefore, a machine tool for breaking and cutting the attachment portion of the hinge device to the fixed frame 1 and the door 21 and the shaft pin cannot access the gap.

[0010]

In the illustrated embodiment, the rotation angle of the door 21 is set to about 130 degrees with respect to the front of the fixed frame 1. First, the second shaft pin 14 is screwed into one end of the second link plate 11, and the third shaft pin 15 is screwed into the other end, and both are fixed by full circumference welding. Next, the fixed gear 7, the intermediate gear 8, and the rotating gear 9 are inserted into the gear insertion portion 6a of the reinforcing arm plate 6, and the third shaft pin 15 is inserted into the third shaft pin insertion portion 6b. At the same time, the upper and lower surfaces of the reinforcing arm plate 6 are covered with the reinforcing arm plate 5 and fixed with flathead screw type screws 20. that time,
The third shaft pin 15 is passed through the thrust washer 18 so that the third shaft pin 15 does not fall off, and the retaining ring 17 is fitted and fixed in the notch of the third shaft pin 15 and placed. Thereafter, with respect to the hinge for the upper part of the door, the upper end of the shaft of the fixed gear 7 protruding from the reinforcing arm plate 5 is fixed to the base ring plate 3.
Is fitted to the end of the upper base plate 2 to which the welding is performed, the lower end of the shaft of the fixed gear 7 is fitted to the tip of the upper reinforcement base plate 4, and the upper reinforcement base plate 4 is attached to the upper base plate. Fix it to 2 with a set screw. As for the hinge for the lower part of the door, the lower end of the shaft of the fixed gear 7 is fitted into the tip of the lower base plate 23 to which the base ring plate 3 is welded, and the upper end of the shaft of the fixed gear 7 is set to the lower upper part The lower base plate 23 and the lower base plate 22 are fixed to each other with a flathead screw. Further, a first shaft pin 13 is screwed into one end of the first link plate 10 and fixed by welding all around. At the other end, the link ring plate 12 is welded all around, the washer 16 is inserted between the link ring plate 12 and the reinforcing arm plate 5, the shaft of the rotary gear 9 is fitted, and the entire circumference is welded. One link board 1
The rotating gear 9 is fixed to the position 0. When attaching the hinge for the upper door and the hinge for the lower door to the door 21, the first hinge pin 13 and the third axial pin 14 of the hinge for the upper door each include three pieces of the first hinge pin 13 for the hinge for the lower door. After the thrust washers 18 are fitted one by one to the third shaft pins 14, they are attached to the door. In addition, the hinge for the upper part of the door is attached to the fixed frame 1 using the welding bolt 19.

In the illustrated embodiment, the protection walls 25 are provided on the left and right side surfaces and the upper and lower side surfaces of the fixed frame 1 so as to protrude from the main body of the fixed frame 1. The entire hinge device is housed in a space surrounded by protective walls 25 at the top, bottom, left and right. Usually, the protection wall 25 is provided integrally with the main body structure portion of the fixed frame when the fixed frame 1 is manufactured, but can be added to an existing fixed frame later.

[0012]

As described above, in the take-out rotary hinge device for a vending machine or the like according to the first aspect of the present invention, one end of the reinforced arm plate 6 of the hinge for the door upper part is connected to the upper base plate 2 and the upper reinforcing base.
The strength of the movable part is improved by sandwiching one end of the reinforced arm plate 6 of the door lower hinge between the lower upper base plate 22 and the lower lower base plate 23. . Also,
All the gears are inserted into the gear insertion portion 6a of the reinforcing arm plate 6, and the upper and lower parts are covered with the reinforcing arm plate 5, so that the gear parts do not appear in the appearance, and sand or pebbles are interposed between the gears. High durability without clogging.

In the fixed frame such as a vending machine according to the second aspect of the present invention, a protective wall 25 for closing a gap between the door 21 and the fixed frame 1 is provided.
Is provided, the take-out rotary hinge device is properly protected from digging or cutting breakage by a mechanical tool, and the security of a vending machine or the like is enhanced.

[Brief description of the drawings]

FIG. 1 is a front view of a hinge for an upper part of a door of a take-out rotary hinge device of a vending machine or the like according to an embodiment of the present invention.

FIG. 2 is a right side view of a hinge for a door upper part of the take-out rotary hinge device.

FIG. 3 is a bottom view of a hinge for an upper part of a door of the take-out rotary hinge device.

FIG. 4 is a sectional view taken along line AA of FIG.

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a front view of a hinge for a door lower part of the take-out rotary hinge device.

FIG. 7 is a right side view of the hinge for the lower part of the door of the take-out rotary hinge device.

FIG. 8 is a plan view of a hinge for the lower part of the door of the take-out rotary hinge device.

FIG. 9 is a sectional view taken along the line CC of FIG. 6;

FIG. 10 is a sectional view taken along line DD of FIG. 8;

FIG. 11 is a plan view of the door lower hinge when the door is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed frame 2 Upper base plate 3 Base ring plate 4 Upper reinforcement base plate 5 Reinforcement arm plate 6 Reinforced arm plate 6a Gear insertion part 6b Third shaft pin insertion part 7 Fixed gear Reference Signs List 8 intermediate gear 9 rotating gear 10 first link plate 11 second link plate 12 link ring plate 13 first shaft pin 14 second shaft pin 15 third shaft pin 16 washer 17 retaining ring 18 thrust washer 19 welding bolt 20 Screw 21 Door 22 Lower upper base plate 23 Lower lower base plate 24 Adjacent vending machine 25 Protective wall

Claims (2)

[Claims] 1. A fixed frame 1 such as a vending machine is attached to an upper end of the fixed frame 1 and a front end of the fixed frame 1 projects to the front of an opening of the fixed frame 1.
An upper base plate 2 on which a base ring plate 3 is fixed at a distal end portion; an upper reinforcing base plate 4 fixed to the upper base plate 2; A reinforced arm plate 6, one end of which is sandwiched by overhangs of the upper reinforcing base plate 4;
A reinforced arm plate 5 attached to the upper and lower surfaces of the arm plate 6 with screws 20 as lids; a gear insertion portion 6a of the reinforced arm plate 6
And both ends of the shaft are connected to the upper base plate 2 and the upper reinforcing base.
A fixed gear 7 fixed to the projecting portion of the gear plate 4; an intermediate gear 8 inserted into the gear insertion portion 6a of the reinforcing arm plate 6 and meshing with the fixed gear 7; a gear insertion of the reinforcing arm plate 6 Part 6
a rotating gear 9 inserted into the a and engaged with the intermediate gear 8;
At one end where the link ring plate 12 is fixed, the rotating gear 9 is attached.
A first link plate 10 in which a shaft protruding from the lower side is fitted and fixed, and a first shaft pin 13 is screwed into the other end; and a third shaft pin insertion portion 6b of the reinforced arm plate 6, Reinforcement arm on the lower surface with retaining ring 17 with thrust washer 18 interposed
The third shaft pin 15 hung on the system board 5: the third shaft pin 15
A second link plate 11 having one end fixed to the other end and a second shaft pin 14 screwed into the other end.
And a hinge for the door upper portion, in which the second shaft pin 14 is fixed to the door 21, and the upper base plate 2 and the upper reinforcing base plate 4 in the hinge for the door upper portion are respectively connected to the lower upper base plate 22 and the lower lower side. A take-out rotary hinge device for a vending machine or the like comprising a hinge for a door lower portion which is replaced with the base plate 23, is assembled vertically symmetrically by sharing other components, and is attached to the lower end of the fixed frame 1. 2. A fixed frame 1 such as a vending machine is attached to an upper end of the fixed frame 1 and a front end portion of the fixed frame 1 projects toward a front side of an opening of the fixed frame 1.
An upper base plate 2 on which a base ring plate 3 is fixed at a distal end portion; an upper reinforcing base plate 4 fixed to the upper base plate 2; A reinforced arm plate 6, one end of which is sandwiched by overhangs of the upper reinforcing base plate 4;
A reinforced arm plate 5 attached to the upper and lower surfaces of the arm plate 6 with screws 20 as lids; a gear insertion portion 6a of the reinforced arm plate 6
And both ends of the shaft are connected to the upper base plate 2 and the upper reinforcing base.
A fixed gear 7 fixed to the projecting portion of the gear plate 4; an intermediate gear 8 inserted into the gear insertion portion 6a of the reinforcing arm plate 6 and meshing with the fixed gear 7; a gear insertion of the reinforcing arm plate 6 Part 6
a rotating gear 9 inserted into the a and engaged with the intermediate gear 8;
At one end where the link ring plate 12 is fixed, the rotating gear 9 is attached.
A first link plate 10 in which a shaft protruding from the lower side is fitted and fixed, and a first shaft pin 13 is screwed into the other end; and a third shaft pin insertion portion 6b of the reinforced arm plate 6, Reinforcement arm on the lower surface with retaining ring 17 with thrust washer 18 interposed
The third shaft pin 15 hung on the system board 5: the third shaft pin 15
A second link plate 11 having one end fixed to the other end and a second shaft pin 14 screwed into the other end.
And a hinge for the door upper part, in which the second shaft pin 14 is fixed to the door 21, and the upper base plate 2 and the upper reinforcing base plate 4 in the hinge for the door upper part are respectively connected to the lower upper base plate 22 and the lower lower side. A fixed frame equipped with a take-out rotary hinge device, such as a vending machine, which is replaced with a base plate 23, is assembled vertically symmetrically by sharing other components, and is mounted on a lower end of the fixed frame body 1 and a hinge for a door lower portion. A fixed frame such as a vending machine provided with a protective wall 25 for closing a gap between the door 21 and the fixed frame 1.