JP4978555B2 - Vending machine display door lock device - Google Patents

Description

  The present invention relates to a vending machine provided with a main body cabinet formed as a heat-insulating housing having an open front surface, and an outer door disposed on the front surface of the main body cabinet so as to be openable and closable and having a display room for displaying product samples. The present invention relates to a display door locking device for a vending machine that is arranged in a single-opening manner on the back surface of the outer door and locks the display door that forms the back surface of the display chamber to the outer door.

A vending machine that sells products such as canned beverages, bottled beverages, and plastic bottle beverages, stores the products in a refrigerator in the main cabinet, and stores them in a refrigerated or warmed state. A plurality of product samples are displayed side by side on the table, and a designated product is sold by pressing a product selection button provided in accordance with the product sample. This type of conventional vending machine will be described with reference to FIG.
As shown in FIG. 5, the vending machine includes a main body cabinet 1 formed as a heat-insulating housing having an open front surface, and an outer door 2 supported on the front surface of the main body cabinet 1 so as to be opened and closed by a hinge. The opening surface of the main body cabinet 1 is closed by a heat-insulating inner door 3 that can be opened and closed to define a commodity storage. The interior of the main body cabinet 1 is divided into a plurality of product storage rooms in the left-right direction by a heat insulating partition wall, and each product storage room stores products such as canned drinks, bottled drinks, and plastic bottled drinks. A product storage rack having a product delivery mechanism for delivering the product at the lower end is accommodated, and the product stored in the product storage rack is cooled at the bottom of each product storage chamber by cooling or heating the product storage chamber. Alternatively, a cooling / heating unit for heating is provided.
The upper area of the front surface of the outer door 2 is covered with a transparent panel 4 made of acrylic resin, and the space between the transparent panel 4 and the display door 6 pivotally supported by the outer door 2 in a single-opening manner is the display chamber 5. It is formed as. On the front surface of the display door 6, a display stand 7 in which a plurality of product samples 8 corresponding to the products accommodated in the cabinet of the main body cabinet 1 are placed in a line on the left and right is mounted in three stages in the vertical direction. The transparent panel 4 is provided with a product selection button unit 9 at a position facing each display stand 7, and the product selection button unit 9 is arranged on the left and right corresponding to each product sample 8 placed on the display stand 7. It has product selection buttons (not shown) arranged in a line. Further, in addition to a coin insertion slot, a bill insertion slot, a return lever, a lock handle (outer door lock device), a coin return slot, etc. (not shown), a product outlet 21 is provided on the front surface of the outer door 2. . Further, a coin mechanism 22 communicated with the coin insertion slot, a safe 23 communicated with the coin mechanism 22, a bill recognition device 24 communicated with the bill insertion slot, and the like are provided on the back surface of the outer door 2. An illumination light source (not shown) such as a fluorescent lamp that brightly illuminates the product sample 8 and the like is disposed above the display chamber 5 and below the display stand 7.

The display door 6 is hinged at the left end when viewed from the front side of the vending machine to the outer door 2 and is pivotally supported so that it can be opened and closed in a single-opening manner. At the right end), a swingable latch 10 is provided. On the other hand, a receiver 11 is provided on the outer frame constituting the outer peripheral frame of the outer door 2 at a position facing the latch 10. The latch 10 and the receiver 11 constitute a lock device for the display door 6 (for example, Patent Document 1).
FIG. 6 shows the configuration and operation of a locking device for the display door 6 comprising a latch 10 and a receiver 11 provided on the display door 6 and the outer door 2, respectively. The latch 10 has a hook-like claw portion 10a on the front end side, a downward tapered guide surface 10b on the front edge thereof, and a handle 10c projecting laterally on the upper edge of the latch 10. An arc-shaped long groove 10d is opened at the center of the plate surface 10. The rear end base of the latch 10 is pivotally supported by the display door 6 via a stepped screw S1, and a stepped screw S2 is fitted in the long groove 10d. The long groove 10d is formed as an arc centered on the stepped screw S1, and is configured to regulate the swing range of the latch 10 by the stepped screw S2 inserted into the groove. The receiver 11 is also formed as a stepped screw, and is formed so as to be engageable with the claw portion 10 a of the latch 10.

In FIGS. 6A to 6C, the movement of the latch is shown in the order of operation taking the case where the display door 6 is closed from the opened state as an example. As shown in FIG. 6 (a), when the display door 6 is pushed from the open state toward the closed position in the direction of the arrow, the taper guide surface 10b of the latch 10 hits the receiving metal 11 immediately before the closed position. As shown in FIG. 6B, when the latch 10 swings upward along the taper guide surface 10b, and the claw portion 10a gets over the receiving plate 11, the latch 10 shown in FIG. 10 is swung downward and the claw portion 10a is engaged with the catch 11 so that the display door 6 is locked to the outer door 2 in a closed state. When the display door 6 is opened, the claw portion 10a comes out of the catch 11 and is unlocked by placing the hand on the handle 10c of the latch 10 and pulling it lightly.
JP 2001-6037 A

In the lock device for the display door of the vending machine disclosed in Patent Document 1, when the display door 6 in the open state is closed, the latch 10 swings when it abuts on the receiver 11 and automatically receives the receiver. 11 is excellent in that it is easy to lock the display door 6 and there is no risk of forgetting to lock. However, in the locking device disclosed in Patent Document 1, since the latch 10 is configured to swing around the stepped screw S1, the latch 10 is changed from the state of FIG. A space is required behind the latch 10 so as to be able to swing in the state of (b). Since this space is necessary in the width (depth) direction of the outer door, it prevents the outer door from being thinned.
Therefore, as shown in FIG. 7, a pair of upper and lower guide grooves 12 and 13 extending in the vertical direction are provided on the plate surface of the latch 10, and a stepped screw S <b> 1 is fitted into the guide groove 12, and the guide groove 13 is guided. A locking device has been developed in which the claw 14 is inserted and the latch 10 is slid up and down. The guide claw 14 is cut and raised from a mounting bracket 15 that is superimposed on the latch 10 and fixed to the display door 6. The mounting bracket 15 has a guide surface similar to the tapered guide surface 10 b of the latch 10, and when the display door 6 is closed, the guide surface abuts against the receiving plate 11 to lift the display door 6. It is configured to ensure the engagement between the latch 10 and the catch 11 even when the non-hinge side of the display door 6 sinks downward. In the locking device shown in FIG. 7, when the display door 6 is pushed from the open state toward the closed position, the taper guide surface 10b of the latch 10 abuts against the catch 11 and the latch 10 slides upward (rises). When the portion 10 a gets over the receiver 11, the claw portion 10 a engages with the receiver 11 by sliding downward (lowering).

In the locking device shown in FIG. 7, the latch 10 is configured to be raised and lowered to engage and disengage from the receiver 11, so that no space in the width (depth) direction of the outer door is required. However, when the relative position of the latch 10 and the receiver 11 is shifted, the lock may be incomplete. As shown in FIG. 7, when the latch 10 is located in an upper region with respect to the receiving plate 11 due to the assembly variation of the display door 6, the latch 10 is latched before the latch 10 is deeply engaged with the receiving plate 11. Since the lowering of 10 stops, the degree of engagement between the latch 10 and the receiver 11 becomes shallow, and the lock may be incomplete.
Therefore, the present invention has been made in view of the above points, and the object thereof is to solve the above-described problem and to satisfactorily lock the display door even when the relative position between the latch and the catch is shifted. It is to provide a display door lock device in a vending machine.

In order to achieve the above object, an invention according to claim 1 is a vending machine comprising a main body cabinet having an open front surface, and an outer door disposed on the front surface of the main body cabinet so as to be openable and closable and having a display chamber. A vending machine that is provided in a single-opening manner on the back surface of the outer door and that engages and latches a latch provided on the display door that forms the back surface of the display chamber by engaging a receiver provided on the outer door. In the display door lock device, the latch has a guide groove extending in the vertical direction, and the guide groove is inclined so that the lower side extends in a substantially vertical direction and the upper side is inclined rearward as it goes upward. is slidable in the lower side and vertically with a guide member on the upper side are inserted each of the guide grooves, and adjust engagement with receiving gold inclined leaning forward in the lowered position It is characterized in.
In order to achieve the above object, the invention according to claim 2 is the vending machine according to claim 1, wherein the guide grooves are a pair of upper and lower guide grooves .

According to the display door locking device in the vending machine according to claim 1 of the present invention, the main body cabinet having a front surface opened, and the outer door disposed on the front surface of the main body cabinet so as to be openable and closable and having a display chamber. The vending machine is arranged in a single-opening manner on the back surface of the outer door, and a latch provided on the display door forming the back surface of the display chamber is engaged with a receiver provided on the outer door. In the display door locking device of the vending machine that stops, the latch has a guide groove extending in the vertical direction, and the guide groove extends rearward as the lower side extends in a substantially vertical direction and the upper side goes upward. inclined to tilt, it is slidable in the vertical direction with respective fitting inserted as guide members on the lower side and the upper side of the guide groove, and, at the lowered position before The structure is such that the latch is tilted and engaged with the catcher, so that even when the relative position of the latch and the catcher is shifted due to variations in assembly, the latch is positioned above the catcher. Since it becomes a forward inclined posture at the lowered position and engages with the receiver, good engagement between the latch and the receiver can be maintained.
Further, the latch has a guide groove extending in the vertical direction, the guide groove extends to be inclined rearward according to the upper side while extending substantially in the vertical direction lower side upward, the guide groove By providing guide members that are respectively inserted into the lower side and the upper side, the guide groove on the lower side extends in the vertical direction, while the guide groove on the upper side tilts backward as it goes upward. Because of the extension, the guide groove on the upper side moves relative to the guide member, that is, when the latch slides up and down, the guide member inserted into the guide groove on the lower side is used as a fulcrum. In accordance with the inclination of the guide groove on the upper side, it gradually inclines to a horizontal or forward inclined position, and in the lowered position where the latch is lowered, it is inclined to the forward inclined position and engages with the receiver. Therefore, the latch can be smoothly slid in the vertical direction, and a stable operation of the locking device can be ensured.

Moreover, according to the display door locking device in the vending machine according to claim 2 of the present invention, the guide groove is a pair of upper and lower guide grooves, and the groove extending in the vertical direction on the lower side formed in the latch Each of the inclined grooves on the upper side can be simply elliptical, and a mold for forming the guide groove in the latch can be simply configured.

Hereinafter, a display door locking device for a vending machine according to an embodiment of the present invention will be described with reference to the drawings.
(Embodiment 1)
1 is an enlarged view of a display door locking device of a vending machine according to Embodiment 1 of the present invention. FIG. 1 (a) is a perspective view of a main part of the display door locking device, and FIG. 2 is an explanatory view of the operation of the locking device, and FIGS. 2A, 2B, and 2C show the movement of the latch when the display door is closed in the order of operation. FIG. The overall configuration of the vending machine is the same as that shown in FIG. 6, and the same components as those shown in FIGS. 7 and 8 are denoted by the same reference numerals.
In FIG. 1, a display door 6 is again pivotally supported by the outer door 2 in a single-open manner, and an inverted L-shaped mounting bracket 15 is attached to a side surface of the display door 6. On the other hand, a receiving metal 11 made of a stepped screw is attached to the side surface of the outer door 2 as in the prior art. A guide claw 14 and a fixing piece 151 each formed by cutting and raising are formed on the mounting bracket 15. The guide claw 14 rises from the plate surface of the mounting bracket 15 toward the right (in FIG. 1B, the front side from the plane of the paper and protrudes from the side surface of the display door 6), and the free end is the mounting bracket. 15 and extending downward so as to be parallel to the plate surface of the plate 15. The fixing piece 151 is on the left side of the plate surface of the mounting bracket 15 (in FIG. It is formed so as to rise in the direction of being buried in the door 6) and to extend upward so that the free end is parallel to the plate surface of the mounting bracket 15. The mounting bracket 15 is fixed to the display door 6 with screws S while fitting the fixing piece 151 into a fitting hole 61 (see FIG. 1B) provided in the display door 6. The mounting bracket 15 has a function similar to that of the mounting bracket 15 shown in FIG. 7, and abuts against the receiving metal 11 when the display door 6 is closed even when the display hinge 6 sinks. It functions to lift the display door 6. In FIG. 1A, reference numeral 71 denotes a fixed base for holding the display base 7 (see FIG. 5), and 72 denotes a fluorescent lamp as an illumination light source.

Reference numeral 100 denotes a latch disposed on the mounting bracket 15 so that the latch 100 has a hook-like claw portion 100a on the front end side and a downward tapered guide on its front edge, as in the conventional latch. The lower end of the latch 100 has a handle 100c protruding sideways. In addition, the latch 100 has a pair of upper and lower guide grooves 120 and 130 as in the prior art, but in the past, the pair of upper and lower guide grooves are arranged in parallel with each other in the vertical direction. The first embodiment is different in that the lower guide groove 120 extends in the vertical direction, while the upper guide groove 130 tilts backward (depth direction) as it goes upward. Yes. A stepped screw S1 is inserted into the guide groove 120, and a guide claw 14 is inserted into the guide groove 130. The latch 100 slides up and down along the stepped screw S1 and the guide claw 14. Arranged freely.
The operation of the locking device according to the first embodiment will be described with reference to FIG. When the display door 6 is in the open state, the latch 100 is located at the lowering stop position and tilted forward. When the display door 6 is pushed from the opened state toward the closed position, the taper guide surface 100b of the latch 100 abuts the receiving plate 11 immediately before the closed position, as shown in FIG. When the display door 6 is further pushed into the closed position from this state, the latch 100 is slid upward (increased) along the tapered guide surface 100b as shown in FIG. 2B, and then the claw portion 100a. 2 over the receiver 11, the latch 100 slides downward (lowers) as shown in FIG. 2C, and the claw portion 100 a engages the receiver 11.

  Here, the lower guide groove 120 disposed in the latch 100 is tilted so that it is inclined in the vertical direction and the upper guide groove 130 is inclined backward (in the depth direction) as it goes upward. 100 operates as follows. That is, when the display door 6 is pushed from the open state toward the closed position, when the taper guide surface 100b of the latch 100 hits the receiving plate 11 and the latch 100 slides upward (raises), the latch 100 is connected to the guide groove 130. When the claw portion 100a slides downward (becomes down) over the receiving metal 11 due to the action of the guide claw 14, it shifts from the horizontal posture to the gradually forward leaning posture. . Then, at the position where the latch 100 is lowered, the latch 100 is inclined forward greatly according to the backward inclination (depth direction) of the guide groove 130, and the claw portion 100 a of the latch 100 is deeply engaged with the receiving metal 11. . Accordingly, even when the relative positions of the latch 100 and the receiver 11 are shifted due to variations during assembly and the latch 100 is positioned in the upper region with respect to the receiver 11, the latch 100 is engaged with the receiver 11 in a forward tilt posture. Therefore, the display door 6 can be securely locked in the closed state. When the display door 6 is opened, the hook 100c (see FIG. 1) of the latch 100 is slid to move the latch 100 upward, so that the claw portion 100a comes out of the catch 11 and the lock is released. Is done.

(Embodiment 2)
FIG. 3 is a side view at the time of locking in the display door lock device of the vending machine according to the second embodiment of the present invention. In FIG. 3, the same components as those shown in FIG.
The display door locking device of the vending machine in the second embodiment shown in FIG. 3 is different from the locking device in the first embodiment shown in FIG. In contrast to the pair of guide grooves 120 and 130, the second embodiment is that the guide groove 140 is formed of a continuous groove. That is, in the second embodiment, the guide groove 140 disposed in the latch 101 has a lower guide groove 140a facing in the vertical direction and an upper guide tilted so as to tilt backward (depth direction) as it goes upward. The groove 140b is connected by a connecting groove 140c to form a groove that is continuous in the vertical direction.
In this way, the guide groove 140 is connected to the lower guide groove 140a and the upper guide groove 140b by the connection groove 140c, so that the stepped portion is locked when the claw portion 101a of the latch 101 is engaged with the receiver 11. Since the screw S1 enters the connecting groove 140c, the latch 101 is supported by the guide claw 14. That is, in the locking device of the first embodiment shown in FIG. 1, when the lower guide groove 12 is short and the latch 100 lowered by the stepped screw S1 is supported, the guide claw 14 and the guide groove 13 is free to play, the latch 100 becomes swingable with the stepped screw S1 as a fulcrum, and the latch 100 may rattle due to vibration or the like. On the other hand, in the second embodiment, the lowering stop state of the latch 101 is supported by the guide claw 14, and the swing of the latch 101 with the guide claw 14 as a fulcrum is regulated by the stepped screw S1. Accordingly, the latch 101 at the descending stop position can be maintained in a substantially stationary state, and the display door 6 can be locked in the closed state more reliably. Since the operation of the locking device in the second embodiment is the same as that in the first embodiment, the description thereof is omitted here.

(Embodiment 3)
FIG. 4 is a side view at the time of locking in the display door lock device of the vending machine according to the third embodiment of the present invention. In FIG. 4, the same components as those shown in FIG.
The display door lock device of the vending machine in the third embodiment shown in FIG. 4 is different from the lock device in the first embodiment shown in FIG. The lower side guide groove 120 facing the direction and the upper side guide groove 130 tilted so as to tilt backward (in the depth direction) as it goes upward are disposed, whereas in the third embodiment, A pair of upper and lower guide grooves 150, 160 disposed in the latch 102 are vertically oriented, and are notched in the upper area of the upper guide groove 160 toward the rear (depth direction). It is the point which is set as the irregular groove | channel which has 160a. That is, in the third embodiment, a pair of upper and lower guide grooves 150, 160 disposed in the latch 102 extend in the vertical direction, and the upper guide groove 160 has a notch 160a in its upper region. Is different from the conventional one.
The operation of the locking device in the third embodiment shown in FIG. 4 will be described. When the display door 6 is in the open state, the latch 102 receives the locking claw 14 in the notch 160a of the upper guide groove 160 and descends. It is leaning forward at the stop position. Now, when the display door 6 is pushed from the open state toward the closed position and the taper guide surface 102b of the latch 102 abuts against the catch 11, the latch 102 moves from the forward tilted position to the horizontal position, so that the engaging claw 14 The latch 102 comes out of the notch 160a, and the latch 102 slides vertically (up). Then, when the claw portion 102 a gets over the catch 11, the latch 102 again slides downward (lowers) vertically, and when approaching the descent stop position, the guide claw 14 is received in the notch 160 a of the guide groove 160. The claw portion 102a is deeply engaged with the receiver 11 by shifting from a horizontal posture to a forward leaning posture. In the third embodiment, by adjusting the depth of the notch 160a in the guide groove 160 in the depth direction (for example, by cutting the notch), the engagement depth between the claw portion 102a and the catch 11 is adjusted. As a result, the assembly error of the display door 6 can be absorbed. In the third embodiment, the latch 102 is tilted forward, and the engaging claw 14 has play between the guide groove 160, that is, the claw portion 102a is engaged with the receiver 11 as shown in FIG. The latch 102 may swing in the clockwise direction. In this case, a biasing means such as a coil spring that biases the latch 102 in the counterclockwise direction may be provided.

As described above, according to the present invention, there is provided a vending machine including a main body cabinet 1 having an open front surface and an outer door 2 that is disposed on the front surface of the main body cabinet 1 so as to be opened and closed and has a display chamber 5. A latch 100 (or 101, 102) provided on the display door 6 that is provided in a single-opening manner on the back surface of the outer door 2 and that forms the back surface of the display chamber 5 is provided on a receiver 11 provided on the outer door 2. In the display door lock device of the vending machine that is engaged and locked, the latch 100 (or 101, 102) is slidable in the vertical direction, and in the lowered position, it is tilted to a forward tilting posture, and the receiver 11 , The relative position between the latch 100 (or 101, 102) and the receiver 11 is shifted due to variations during assembly. Even when (or 101, 102) is located in an upper region with respect to the receiver 11, the latch 100 (or 101, 102) is forwardly inclined at the lowered position and engages with the receiver 11. (Or 101, 102) and the receiver 11 can be kept in good engagement.
The vending machine according to the present invention described above is a vending machine that sells articles such as cigarettes in addition to those that sell products such as canned beverages, bottled beverages, beverages in plastic bottles, beverages in paper packs, etc. Useful.

The display door locking device of the vending machine which is Embodiment 1 of this invention is shown, (a) is the principal part perspective view, (b) is the side view. It is operation | movement explanatory drawing of the display door locking device of the vending machine in FIG. 1, (a), (b), (c) is the figure which each represented the motion of the latch at the time of closing a display door in order of operation | movement. It is a principal part side view which shows the display door locking device of the vending machine which is Embodiment 2 of this invention. It is a principal part side view which shows the display door locking device of the vending machine which is Embodiment 3 of this invention. It is a perspective view of the outside door open state which shows the whole vending machine structure concerning the implementation object of the present invention. It is operation | movement explanatory drawing of the conventional display door locking device, (a), (b), (c) is the figure which represented the motion of the latch at the time of closing, respectively, at the time of closing a display door. 6A and 6B show a conventional display door locking device different from that in FIGS. 6A and 6B, and FIGS. 7A and 7B are side views when the latch is slid upward from the closed state and the closed state, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body cabinet 2 Outer door 5 Display room 6 Display door 11 Receptacle 14 Guide claw 15 Mounting bracket 100,101,102 Latch 120,130,140,150,160 Guide groove

Claims (2)

A vending machine including a main body cabinet having an open front surface and an openable door disposed on the front surface of the main body cabinet and having a display chamber, and is arranged in a single-opening manner on the back surface of the outer door In a display door lock device of a vending machine that engages and locks a latch provided on a display door that forms the back surface of the display chamber, with a catch provided on an outer door,
The latch has a guide groove extending in the vertical direction, and the guide groove is inclined so that the lower side extends in a substantially vertical direction and the upper side is inclined rearward as it goes upward, and the lower side of the guide groove A vending machine display door characterized in that it includes guide members that are respectively fitted and inserted on the upper side , and is slidable in the vertical direction, and in a lowered position, it is inclined in a forward tilting posture and engages with a receiver. Locking device. 2. The display door lock device for a vending machine according to claim 1, wherein the guide groove is a pair of upper and lower guide grooves .

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