JP3234096B2 - Door opening and closing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door opening / closing device provided in a vending machine or a device such as a valuables storage box.

2. Description of the Related Art In general, in a vending machine or the like, a main body of the device is constituted by a large housing for storing products to be sold, and a large opening is provided on a front surface of the housing for storing products and the like. The opening is covered with a door that can be opened and closed. On the other hand, between such a door and the housing opening, the door is opened and closed between the door and the housing opening to protect the goods and money stored in the housing from damage such as theft. A switchgear for controlling the power supply is provided. This opening / closing device includes an engaging means for engaging and releasing the door and the housing opening, and a locking means for locking and releasing the engaging means. The engaging means of the opening / closing device described above usually includes a handle and a pin operated by the handle. By operating the handle, the pin is moved so that the engagement between the door and the housing opening and the engagement thereof are performed. The cancellation is planned. On the other hand, the locking means locks and releases the handle constituting the above-mentioned engaging means, and generally comprises a key (key) and a key cylinder having a keyhole into which the key is inserted. However, in recent years, there is a type having an input panel including a switch or the like for inputting a password or the like without using a key. In addition,
The locking means of the above-mentioned opening and closing device, regardless of the type of the opening and closing device, is mounted on the surface of the door so as to be easy to operate and to be easily visible.

By the way, in the above-mentioned conventional opening and closing device, since the locking means is provided on the door surface which is easily visible, it is easy to be mischievous by a drill or the like. There was a difficulty that was easy to receive. Further, since the engaging means of the above-described conventional opening / closing device has a simple lock structure for engaging the housing opening and a part of the door,
If the engaging housing opening and a part of the door are destroyed by mischief, the opening / closing device is easily damaged, so that the door is unlocked. An object of the present invention is to provide a door opening / closing device which is hard to be mischievous in view of the above-mentioned circumstances, and is not unlocked even if damaged by mischief.

In order to solve the above-mentioned problems, the present invention provides an engaging means for engaging an opening of a housing and a door which covers the housing opening so as to be openable and closable. In a door opening / closing device having a locking means for locking and releasing an engaging means, the engaging means is slidably supported in a vertical direction of an inner peripheral edge of an opening of the housing, and includes upper and lower surfaces and both sides. A substantially rectangular slide frame body having an engaging pin protruding on the surface thereof, and tongue pieces protruding on the upper and lower surfaces and both sides of the back of the door when covering the opening of the housing, A tongue piece having an engagement hole formed at a position corresponding to a pin protruding from an upper surface, a lower surface, and both side surfaces of the slide frame, and a rotatable pop-up for raising and lowering the slide frame via a link mechanism A handle, and when the slide frame is raised, When the pins of the sliding frame are fitted into the engaging holes of the tongues protruding from the corresponding door to engage the housing and the door, and the slide frame is lowered. And a pop-up handle for releasing the pin of the slide frame from the corresponding engagement hole of the door to release the engagement between the housing and the door, and the locking means, A key cylinder having a key hole into which the key is inserted, and a key cylinder having a keyhole into which the key is inserted; and a recess formed in the surface of the housing, and the locking means in the recess. And both the locking means and the pop-up handle are openably and closably covered by a cover.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a housing opening / closing device according to the present invention. FIG. 1 is a conceptual perspective view of a housing to which the opening / closing device of the present invention is applied. In particular, the housing constitutes a main body of a vending machine for selling prepaid cards and the like. A large opening (to be described later) through which goods and the like are put in and taken out is formed in the front of the housing 1, and the opening is formed by a door 2 rotatably supported on the front right end of the housing 1. It is covered to open and close freely. The door 2 is rotatably supported via a support means such as a hinge (not shown) disposed between the right end of the door 2 and the right front end of the housing 1. The lower surface 1a of the housing 1 is
It is covered by a cover 3 that is supported rotatably in the vertical direction about a shaft (not shown). On the other hand, as shown in an enlarged front view of the housing in FIG. 2 showing a state in which the door 2 and the cover 3 are removed, an opening 4 for exposing the inside of the housing 1 is formed in the front of the housing 1. A door opening / closing device 10 for controlling opening and closing of the door 2 is provided between the inner peripheral surface of the housing opening 4 and the door 2 (FIG. 1). FIG. 2 shows a state in which the opening and closing of the door 2 is locked by the opening and closing device 10. The opening / closing device 10 includes an engaging means 11 for engaging and disengaging the door 2 and the housing opening 4 and a locking means 60 for locking and releasing the engaging means 11. It is configured. The engaging means 11 includes an engaging hole 12 provided along the inner peripheral surface of the housing opening 4 and an engaging pin 13 provided in the engaging hole 12 so as to be freely retractable. It is configured. The engagement hole 12 is a rectangular fixed frame 14 fixed along the inner peripheral surface of the housing opening 4.
Is formed. The frame body 14 includes a first plate member 15 fixed to a lower portion of the housing opening 4, and second and third plate members 16 extending upward from both sides of the first plate member 15. 17, a fourth plate member 18 fixed to the upper ends of the second and third plate members 16 and 17, and a fourth plate member 18
And a fifth plate 19 fixed to the lower surface of the upper end of the housing 1. The above-mentioned engaging holes 12 are provided at three places in the first plate 15, six places in the second and third plates 16 and 17, and in the fourth and fifth plates 18 and 19, respectively. It is formed in three places. The six engagement holes 12 formed in the second and third plate members 16 and 17 are respectively provided with the second and third plate members 1.
A pair of tongue pieces 20 are fixed to the surfaces of the pair 6 and 17 at predetermined intervals. On the other hand, the engagement pin 13 of the engagement means 11 that protrudes and retracts in the engagement hole 12 is operated by operating the pop-up handle 21.
It is fixed to a rectangular slide frame 22 that slides in the vertical direction. The first plate member 23 located at the lowermost part of the rectangular slide frame 22 has an engaging pin 1.
3, three tongue pieces 2 are attached to the second and third plate members 24 and 25 extending from both sides of the first plate member 23.
6, three engagement pins 13 are implanted respectively. Further, a fourth position located at the top of the slide frame 22
The three engaging pins 13 are implanted in the plate member 27 of FIG. Needless to say, each of the engagement pins 13 is formed at a position facing the engagement hole 12 formed in the fixed frame body 14. On the other hand, the above-mentioned engaging hole for engaging with the engaging pin 13 is formed not only on the engaging hole 12 formed on the fixed frame body 14 but also on the back surface 2a of the door 2 as shown by a dashed line in FIG. ing. Engagement holes 30 provided on the back surface 2a of the door 2 are formed in eight tongue pieces 31, 32, 33, 34, 35, 36, 37, 38 fixed to the back surface 2a of the door 2, respectively. ing. Of these, engaging holes 30 are formed at three locations on the horizontally long tongue pieces 31 and 32 fixed above and below the door back surface 2a, respectively, and the other tongue pieces 33, 34, 35 and 36 are formed. , 37, and 38 have engaging holes 3
0 is formed one by one. On the other hand, when the housing opening 4 is covered by the door 2 having the above-described engagement hole 30, the tongue pieces 31, 32, 33, 34, 35 formed on the back surface 2a of the door 2 as shown in FIG. , 36, 37, 3
8, the tongue 31 is positioned between the first plate 15 of the fixed frame 14 and the first plate 23 of the slide frame 22, and the tongue 32 is the fourth plate of the fixed frame 14. The three tongue pieces 36, 37, and 38 positioned between 18 and the fifth plate member 19 and fixed to the right side of the door 2 are arranged on the right side of the corresponding housing opening 4. Each pair of tongue pieces 2
0, 20 and three tongues 33, 34, 35 fixed to the left side of the door 2 are each pair of tongues 20, fixed to the right side of the housing opening 4 at the corresponding position. 20 are positioned respectively. Each tongue piece 31, 3 of the door 2
Engagement holes 30 formed in 2, 33, 34, 35, 36, 37, 38 are provided with respective engagement holes 12 formed in the fixed frame 14.
Are positioned at positions opposite to. Therefore, as shown in FIG. 2, when the pop-up handle 21 is operated in a state where the housing opening 4 is closed by the door 2 and the slide frame 22 is moved upward, the slide frame 2
Each of the engagement pins 13 implanted in the second engagement holes 12 and 30
The inside of the door 2 and the housing opening 4 are engaged with each other, so that the opening and closing of the door 2 can be performed by each of the engagement pins 13 and the engagement holes 12, 3.
It is regulated by engagement with zero. Therefore, according to the engagement means 11 described above, each of the engagement pins 13 of the slide frame 22 is engaged with each of the engagement holes 12 of the fixed frame 14 and each of the engagement holes 30 of the door 2, thereby opening the housing. Entire rim of part 4 and door 2
And the entire periphery of the door 2 is engaged and locked, so that the structure is hardly damaged by mischief such as breaking a part of the door 2. On the other hand, the engagement pin 13 of the engagement means 11 described above
Raising and lowering means 4 for vertically moving the slide frame 22 in which is implanted
0 is the axis 4 as shown in FIG.
And an arm 42 rotatably supported about the center 1. A shaft 43 is attached to the tip 42 a of the arm 42.
The shaft 43 is engaged with the notch 22b of the tongue piece 22a fixed to the lower surface of the slide frame 22. Therefore, if the arm 42 is rotated about the shaft 41, the shaft 43 and the tongue 2
The slide frame 22 moves up and down as shown by the arrow B through the notch 22b of 2a. In FIG. 3, reference numeral 44 denotes a coil spring for urging the slide frame 22 to always move upward, and 45 denotes a guide groove formed on the side of the slide frame 22. A guide screw 46 implanted on the side of the opening 4 is inserted and regulates the vertical movement of the slide frame 22 over a predetermined distance. on the other hand,
The lifting and lowering of the arm 42 is performed by the pop-up handle 21.
It is performed in conjunction with the operation of. This interlocking means 50 is provided in FIG.
4, a key cylinder 51 having an operation shaft 51a that rotates in conjunction with the rotation of the pop-up handle 21, a rear end of the operation shaft 51a, and a front portion 42b of the arm 42, as shown in FIG. Link mechanism 52 disposed between
It is composed of The link mechanism 52 is connected to the operation shaft 5
1a, and an arm 53 fixed to an end of the arm 53. The pin 54 is inserted into an arc-shaped cam groove (not shown) formed in a front portion 42b of the arm 42. It is inserted. Such a link mechanism 52
According to this, when the pop-up handle 21 is rotated to rotate the arm 53 fixed to the rear end of the operation shaft 51a about the key cylinder 51, the pin 54 of the arm 53 is formed on the front portion 42b of the arm 42. The arm 42 is rotated around the shaft 41 by moving inside the arcuate guide cam,
As a result, the arm 42 is moved up and down.
The key cylinder 51 has a key hole 51b as shown in FIG. 2. When a key (not shown) inserted into the key hole 51b is inserted, the pop-up handle 21 pops out to the front side of the housing 4, When the pop-up handle 21 is rotated, the operation shaft 51 a of the key cylinder 51 is configured to rotate in conjunction with the rotation of the pop-up handle 21. On the other hand, as shown in FIG. 2, a recess 61 having an opening 61a in the lower surface 1a of the housing 4 is formed on the lower surface 1a. As shown in FIG. The key cylinder 63 of the locking means 60 is provided at the bottom of the concave part 61 at the depth of the center of the body 1.
The locking means 60 is provided with a key cylinder 63 in which a key hole 62 of a key described later is formed, and in conjunction with the rotation of the key,
A regulating means 70 for regulating the rotation of the arm 42 constituting the elevating means 40 and for releasing the rotation. The restricting means 70 extends from the rear end of the key cylinder 63, and is operated by an operation shaft 71 which rotates in conjunction with the rotation of a key described later.
A disk 72 fixed to the shaft 71;
An engagement pin 73 implanted at a position eccentric from the center of
A slider 74 having an arcuate cam groove (not shown) with which the engagement pin 73 engages, and a pair of engagement pins 75 implanted in the slider 74 via a tongue 74a. Have been. Of these, the engagement pin 75 fixed to the slider 74 is disposed at a position to be inserted into an engagement hole 42d formed in the rear end 42c of the arm 42 constituting the elevating means 40. Also, as shown in FIG.
Plate 77 is provided at the rear of base 76 for supporting
The slider 74 having an L-shaped cross section is slidably supported on the plate 77. 4, U-shaped tongues 80, 81 are fixed to the base 76, and engagement holes 80a, 81a into which the engagement pins 75 are inserted are also fitted to the tongues 80, 81. Are formed respectively. Therefore, according to the position of the engagement pin 75 shown in FIG. 4, the engagement pin 75 is in the engagement holes 80 a, 81 a of the tongue pieces 80, 81 and each engagement hole 42 d formed in the rear end 42 c of the arm 42. Respectively, the rotation of the arm 42 constituting the elevating means 40 around the axis 41 is restricted. For example, the pop-up handle 21 is moved from the state shown in FIG. 1 does not allow the pop-up handle 21 to be rotated, and the lock of the door 2 indicated by the solid line in FIG. 1 is not released. Next, the operation of the opening and closing device 10 will be described. In order to open the door 2 from the locked state of the door 2 shown in FIGS. 1 to 4, a cover that covers the surface of the lower part 1a of the housing 1 as shown in FIG. 3 is lifted up to expose the opening 61a of the recess 61, and then the key 82 is inserted into the recess 61 through the opening 61a, and the tip is inserted into the keyhole 62. Next, when the key 82 is rotated, the operation shaft 71 is rotated, and at the same time, the disk 72 and the pin 73 fixed to the shaft 71 are also rotated to move the slider 74 from the position shown in FIG. That is, it is moved rightward in the drawing. The slider 7 shown in FIG.
According to the slide position of No. 4, the engaging pin 75 fixed to the slider 74 moves rightward in the drawing, so that the engaging pin 75 The engagement of the mating pin 75 is released, so that the rotation regulation of the arm 42 constituting the elevating means 40 is released. As described above, the lifting means 4 is moved by the locking means 60.
After the rotation restriction of 0 is released, a key (not shown) is inserted into the key hole 51b (FIG. 2) of the pop-up handle 21 to cause the pop-up handle 21 to pop out to the front of the housing 1, and then to return to FIG. Pop-up handle 2 as shown
1 to rotate the arm 42 of the elevating means 40
, The slide frame 22 descends as shown by the arrow through the shaft 43 provided at the tip of the arm 42 and the notch 22b of the tongue piece 22a. As described above, when the slide frame 22 is lowered by the rotation operation of the pop-up handle 21 as shown by the arrow, as shown in FIG. 8, each of the engagement pins 13 and each of the engagement holes Since the engagement with the doors 12 and 30 is released, the door 2 rotates around the right end of the door 2 as shown by the dashed line in FIG. it can. The engagement of the door 2 and the locking thereof are performed by closing the housing opening 4 with the door 2 and then rotating the pop-up handle 21 to close the housing opening 4, as opposed to the above-described opening operation of the door 2. The door 2 may be engaged, and then the key 82 may be inserted into the key hole 62 of the locking means 60 and operated to lock the engagement between the housing opening 4 and the door 2. In the above embodiment, the locking means 60 is a key (key) 82 and a keyhole 62 into which the key is inserted.
However, the present invention is not limited to the above-described embodiment. For example, the locking means 60 may be constituted by a switch for inputting a password or the like without using a key. An input panel having a specified input panel may be applied. Further, in the opening / closing device 10 of the present invention, the locking of the engaging means 11 and the release thereof are performed by the locking means 60.
However, the present invention is not limited to the above-described embodiment. For example, a solenoid plunger may be used as the regulating means 70 and the engagement may be performed based on an electric signal. The means 11 may be locked and released.

As described above, according to the opening / closing device of the present invention, the engaging means for engaging the opening of the housing and the door which covers the opening of the housing so as to be openable and closable is provided in the vertical direction. A sliding frame body slidably supported in the direction, and engaging pins protruding on upper and lower surfaces and both side surfaces, and engaging holes formed in tongue pieces protruding on the upper and lower surfaces and both sides of the back surface of the door. A pop-up handle for raising and lowering the slide frame via a link mechanism, and inserting each pin of the slide frame into an engagement hole of a tongue protruding from a corresponding door, thereby opening the housing. The entire periphery of the door and the entire periphery of the door are engaged with each other, so that even if a part of the door is broken, the engagement between the housing opening and the door is firmly maintained. It is possible to provide a door opening / closing device which is hardly damaged. In addition, a concave portion is formed on the surface of the housing, and the depth of the concave portion is formed deep enough to reach the center of the housing, and a key cylinder of locking means is disposed at the bottom of the deep concave portion. Since the locking means is provided with a regulating means for operating and locking the pop-up handle by operating a key inserted into the key cylinder, even if the pop-up handle is broken, the door and the housing can be engaged by the locking means. Not only can the relationship be maintained firmly, but also because the deep bottom recess makes the key cylinder a deep position out of reach of jigs such as drills, temporarily use such a jig such as a drill. Even if you try to break the key cylinder of the locking means, the locking means is not damaged because the key cylinder is at a deep position where the drill needle does not reach, so the engagement relationship between the door and the housing is strong. Lifting, it is possible to prevent the enclosure items mischief such as to theft as much as possible.

[Brief description of the drawings]

FIG. 1 is a conceptual perspective view of a housing to which an opening / closing device according to the present invention is applied.

FIG. 2 is an enlarged front view showing an opening of a housing.

FIG. 3 is a conceptual sectional view of AA in FIG. 2;

FIG. 4 is a conceptual cross-sectional view of CC in FIG. 3;

FIG. 5 is a cutaway side view of a main part of the housing.

FIG. 6 is a conceptual sectional view of the AA in FIG. 2;

FIG. 7 is a conceptual sectional view of CC in FIG. 3;

FIG. 8 is an enlarged front view showing an opening of a housing.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Housing | casing 2 ... Door 3 ... Cover 4 ... Opening 10 ... Opening / closing device 11 ... Engaging means 13 ... Engaging pin 21 ... Pop-up handle 22 ... Slide frame 30 ... Engaging hole 31, 32, 33, 34, 35 , 36, 37, 38 tongue piece 60 locking means 61 recess 63 key cylinder 70 regulating means

──────────────────────────────────────────────────続 き Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) E05B 65/00-65/02 E05B 61/00 E05B 13/00

Claims (3)

(57) [Claims] An engaging means for engaging between an opening of a housing and a door which covers the opening of the housing for opening and closing, and a locking means for locking and unlocking the engaging means. In the door opening / closing device, a substantially rectangular slide frame in which the engagement means is slidably supported in a vertical direction of an inner peripheral edge of the opening of the housing, and engagement pins protrude from upper and lower surfaces and both side surfaces. And a tongue protruding from the upper and lower surfaces and both sides of the rear surface of the door, and when covering the opening of the housing, the upper surface of the slide frame,
A tongue having an engagement hole formed at a position corresponding to a pin protruding from the lower surface and both side surfaces, and a rotatable pop-up handle for raising and lowering the slide frame via a link mechanism; When the frame is raised, the pins of the slide frame are inserted into engagement holes of tongues protruding from the corresponding door to engage the housing and the door, Further, when the slide frame is lowered, the slide frame is constituted by a pop-up handle for disengaging the pins from the corresponding engagement holes of the door to release the engagement between the housing and the door. And the locking means comprises a key for permitting the rotation of the pop-up handle and locking the key, and a key cylinder having a keyhole into which the key is inserted. Formed in the recess As well as disposing the locking means, door opening and closing device being characterized in that to cover openably by a cover both 該施 lock means and the pop-up handle. 2. The recess is formed to a depth such that the recess reaches a substantially central portion of the housing. The key cylinder is disposed at the bottom of the deep recess, and the locking is performed. 2. The device according to claim 1, wherein said means includes a regulating means which engages with a part of said link mechanism by operating a key inserted into said key cylinder to allow operation of said link mechanism and to lock said operation. A door opening / closing device according to claim 1. 3. The door opening and closing device according to claim 1, wherein said locking means has an input panel for inputting a password.