JP5927423B2 - vending machine - Google Patents

Description

  The present invention relates to a vending machine provided with an inner door locking device.

  A conventional vending machine is equipped with a heat-insulating inner door that closes the front of the cabinet in a sealed state separately from the sales operation section and the outer door with the product outlet on the front of the vending machine body equipped with a product storage rack. In addition, there is one (see, for example, Patent Document 1) in which the heat insulation is improved and the inner door is provided with a door lock that is manually operated.

  The conventional vending machine will be described below with reference to the drawings. FIG. 6 is a perspective view showing a conventional vending machine with the door open.

  As shown in FIG. 6, the conventional vending machine has a vending machine body 2 with a product storage rack 1 mounted on the front side thereof, and a front of the inside of the cabinet is sealed separately from the sales operation unit and the outer door 3 provided with the product outlet. A heat insulating inner door 4 that is closed in a state is provided to improve the heat insulating property, and the inner door 4 is provided with a lock device 5 that is manually operated.

  FIGS. 7A and 7B show the configuration of the lock device 5 of the inner door 4 of the conventional vending machine. FIG. 7A is a top view, FIG. 7B is a side view, and FIG. FIG. 7 shows a state where the inner door 4 is locked in the closed position.

  As shown in FIG. 7, the lock device 5 for the inner door 4 of the conventional vending machine is formed with a lever mounting bracket 7 fixed to the end of the inner door 4 opposite to the hinge with a bolt 6 and a bracket 7. A lock plate 9 with a square hole 9a attached to the front edge side portion of the vending machine main body 2 facing the tip of the shaft portion of a manually operated crank-type lock lever 8 that is slidably inserted into and supported by the bearing portion 7a. It consists of.

  The lock lever 8 is formed with a shaft portion 8 a whose tip is bent in a crank shape, and a handle portion 8 b extending from the other end of the shaft portion 8 a in an approximately L shape. The shaft portion 8 a is a bearing of the mounting bracket 7. It is inserted into the part 7a and supported so as to be rotatable and slidable. A gasket 10 is attached to the inner peripheral edge of the inner door 4.

  With this configuration, in the illustrated locked state, the end of the shaft portion of the lock lever 8 enters the square hole 9a of the lock plate 9 from the side and contacts the front edge of the square hole 9a. The inside of the cabinet is sealed by pressing against the front edge of the inner box of the main body 2.

  Further, a stopper 7b erected at the left end of the mounting bracket 7 restrains the lock lever 8 at the locked position.

  On the other hand, in order to release the locking device 5 from the locked state and open the inner door 4, first, the user grips the handle portion 8b of the lock lever 8 and rotates it upward as indicated by the arrow (1). After that, the shaft end is pulled out from the lock plate 9 by sliding in the arrow (2) direction.

  And if the handle part 8b is pulled forward, the inner door 4 will open. Further, after the inner door 4 is closed, the lock lever 8 is slid to the right to insert the tip of the shaft portion into the square hole 9a of the lock plate 9, and then the handle portion 8b is rotated downward. To lock as shown.

JP-A-10-79080

  In general, the inner door 4 of the vending machine is quite heavy, and if the inner door 4 is hinged to the vending machine main body 2 in a single-opening manner, Is slightly inclined due to its own weight, and particularly in the inner door 4 having a wide frontage, the mounting end of the locking device 5 opposite to the hinge side is lowered downward.

  When the weight W of the inner door 4 is applied at the locked position shown in FIG. 7, the lock lever 8 rotates counterclockwise with the contact point with the lock plate 9 as a fulcrum. The lock may be loosened.

  Moreover, the conventional locking device 5 for the inner door 4 shown in FIG. 7 does not have a function of regulating the inclination of the inner door 4 due to the backlash on the hinge side as described above. There is a drawback that the gasket 10 attached to the door 10 does not properly adhere to the vending machine main body 2 and adversely affects the airtightness in the cabinet.

  The present invention solves the above-described conventional problems, and an object thereof is to provide a vending machine with improved airtightness between the locked inner door and the vending machine main body.

  The vending machine to which the present invention is applied has an inner door whose one end side in the width direction is pivotally supported on one end side in the width direction of the vending machine body via a hinge mechanism so as to be rotatable. A lock lever provided at an end of the inner door opposite to the hinge, and a lock lever provided at a front edge side portion of the vending machine main body so that the lock lever engages with a locking hole. A lock plate for locking the front opening of the main body in a state closed by the inner door, and the lock lever is slidable in the width direction of the inner door and pivoted about the width direction of the inner door A shaft portion that can be held, an operation portion that is provided so as to extend substantially perpendicularly to a central axis of the shaft portion from one end side of the shaft portion, and for operating the lock lever; From the end side to the central axis of the shaft And an engaging engagement portion with the locking hole provided to extend substantially vertically.

In order to achieve the above-mentioned object, the lock plate used in the present invention is in contact with the engagement portion engaged with the engagement hole on the inner peripheral lower edge side of the engagement hole. support seat having upstanding surface to underpin engaging portion is made form, the engaging portion after the engaging portion is inserted into the locking hole in a direction facing upward than the shaft portion the shaft The inner door is configured to lock the inner door by turning in a direction obliquely downward to the front, and the surface of the support seat that supports the engaging portion is the engagement in a state in which the inner door is locked. The front end side of the support seat is inclined below the rear end side of the support seat so that line contact can be made with a line extending in the direction in which the engagement portion extends and the engagement portion extends from the lower edge of the inner periphery of the locking hole. It is inclined to become higher as it goes in the insertion direction of the joint.

  Accordingly, when the lock lever of the lock device is moved to the locked position after the inner door is closed, the tip of the shaft portion of the lock lever comes into contact with and supports the upper surface of the support seat provided on the lock plate. In addition, when the inner door is locked, the front end of the support seat is tilted downward from the rear end of the support seat. Retained.

Therefore, the inner door and the vending machine main body are prevented by the backlash of the hinge, the inclination of the inner door due to the weight of the inner door, and the lock lever from rotating and coming out of the locked position due to the inclination of the inner door. The airtightness between the two can be kept stable.

  The vending machine according to the present invention is automatically regulated by the lock lever and the lock plate of the lock device when the inner door is tilted, and is automatically regulated and held at the proper sealing position when the inner door is closed. The airtightness between the door and the vending machine body can be kept stable. Also, in terms of workability for closing the inner door during maintenance, the inner door can be closed without being lifted to the position where the regular sealing is ensured, so that handling is improved.

The principal part perspective view which shows the state before locking the closed inner door in the vending machine of Embodiment 1 of this invention. The principal part perspective view which shows the state which locked the closed inner door in the vending machine of Embodiment 1 of this invention. The perspective view which shows the lock board used for the vending machine of Embodiment 1 of this invention. The top view which shows the lock board used for the vending machine of Embodiment 1 of this invention. AA line sectional view of FIG. Perspective view showing a conventional vending machine with the door open (A) Main part top view which shows the state which locked the inner door in the closed position in the conventional vending machine (b) Main part side view which shows the state which locked the inner door in the closed position in the conventional vending machine (C) Main part front view which shows the state which locked the inner door in the closed position in the conventional vending machine.

According to a first aspect of the present invention, there is provided an inner door having one end in the width direction pivotally supported on one end in the width direction of the vending machine body via a hinge mechanism so as to open and close the front opening of the vending machine body, A lock lever provided at an end of the door opposite to the hinge, and a front opening of the vending machine main body by engaging the lock lever with a locking hole provided at a front edge side of the vending machine main body. A lock plate for locking the portion closed by the inner door, and the lock lever is slidable in the width direction of the inner door and is rotatably held around the width direction of the inner door. A shaft portion, an operating portion for operating the lock lever provided so as to extend substantially perpendicularly to a central axis of the shaft portion from one end side of the shaft portion, and the other end side of the shaft portion Extends substantially perpendicular to the central axis of the shaft An engaging portion that can be engaged with the locking hole, and an inner peripheral lower edge side of the locking hole is in contact with the engaging portion that is engaged with the locking hole. supporting seat made form having upstanding surface to underpin the engaging portion, the engaging portion after the engaging portion is inserted into the locking holes in the orientation becomes above the said shaft portion The inner door is configured to be rotated in a direction that is obliquely lower forward than the shaft portion, and the surface that supports the engaging portion in the support seat is the state in which the inner door is locked. The front end side of the support seat is inclined below the rear end side of the support seat so as to be able to make line contact with the engaging portion and a line extending in the engaging portion, and from the inner peripheral lower edge of the locking hole. The vending machine is inclined so as to become higher as it goes in the insertion direction of the engaging portion.

  In the above configuration, the lock lever is slid in the width direction of the inner door and inserted into the locking hole by being inclined so as to increase from the inner peripheral lower edge of the locking hole toward the insertion direction of the engaging portion. Sometimes it can ride smoothly on the support seat on the inner peripheral lower edge of the locking hole.

  At this time, the height position of the lower edge of the inner periphery of the locking hole is the same height as the position of the lock lever when the inner door is inclined by its own weight. Without colliding with the edge, it can be inserted into the locking hole and ride on the support seat of the inner peripheral lower edge.

  In addition, since the front end side of the support seat is inclined below the rear end side of the support seat, the lock lever is transmitted over the support seat by rotating the lock lever about the width direction of the inner door. It can be lifted up to the rear end side.

  As a result, the inner door itself changes from the inclined state to the non-inclined state, and the inner door is closed at the regular sealing securing position of the inner door, so that the inner and outer seals can be reliably sealed.

  Hereinafter, embodiments of a vending machine according to the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a perspective view of a main part showing a state before locking a closed inner door in the vending machine according to the first embodiment of the present invention. FIG. 2 is a main part perspective view showing a state where the closed inner door is locked in the vending machine of the embodiment.

  FIG. 3 is a perspective view showing a lock plate used in the vending machine of the embodiment. FIG. 4 is a plan view showing the lock plate. 5 is a cross-sectional view taken along line AA in FIG.

  As shown in FIGS. 1 to 5, the lock lever 102 used in the vending machine according to the present embodiment is slidable in the width direction of the inner door 101 and is held so as to be rotatable about the width direction of the inner door 101. A shaft portion 104 that can be operated, and an operation portion 106 that is provided so as to extend from the one end side of the shaft portion 104 substantially perpendicularly to the central axis of the shaft portion 104 to operate the lock lever 102.

  The lock plate 105 used in the vending machine according to the present embodiment is provided so as to extend from the other end side of the shaft portion 104 substantially perpendicularly to the central axis of the shaft portion 104 and engage with the locking hole 103. It has the joint part 108 and the support seat 107 which supports the engaging part 108 from the downward direction.

  The support seat 107 is cut and raised, and after the engaging portion 108 is inserted into the locking hole 103 in a direction to be higher than the shaft portion 104, the engaging portion 108 is inclined forward and lower than the shaft portion 104. And the inner door 101 is locked.

  The surface of the support seat 107 that supports the engagement portion 108 is such that the front end side of the support seat 107 is the rear end side of the support seat 107 so that line contact can be made with a line extending in the engagement portion 108 in a state where the inner door 101 is locked. It is inclined so that it becomes higher toward the insertion direction of the engaging portion 108 from the inner peripheral lower edge of the locking hole 103.

  As a result, when the lock lever 102 of the lock device is moved to the locked position after the inner door 101 is closed, the tip of the shaft portion of the lock lever 102 comes into contact with the upper surface of the support seat 107 provided on the lock plate 105 to support it. Is done.

  Further, when the inner door 101 is locked, the front end side of the support seat 107 is inclined lower than the rear end side of the support seat 107. Therefore, even when the inner door 101 is tilted, the inner door 101 is automatically locked. It is regulated and held at a regular sealing position.

  Therefore, the lock lever is prevented from rotating and coming out of the locked position due to the backlash of the hinge, the inclination of the inner door 101 due to the weight of the inner door 101, and the inclination of the inner door 101, The airtightness between the vending machine body can be kept stable.

  The operation of the vending machine of the present embodiment configured as described above will be described below.

  In order to change from the state before locking the inner door 101 shown in FIG. 1 to the locked state shown in FIG. 2, first, the user operates the operating portion 106 of the lock lever 102 and slides it in the direction of arrow a (to the right). Then, the engaging portion 108 of the shaft portion 104 is inserted into the locking hole 103 of the lock plate 105, and then the operation portion 106 is rotated so as to be pulled down as indicated by an arrow b.

  In addition, in order to open the inner door 101 from the locked state shown in FIG. 2, the operation unit 106 of the lock lever 102 is rotated upward and the slide unit is operated to the left to lock the engagement unit 108 of the shaft unit 104. Pull out from the locking hole 103 of the plate 105. When the operation unit 106 is pulled forward, the inner door 101 opens.

  FIG. 4 shows the lock plate 105 as seen from the direction in which the lock lever 102 is slid and inserted when the inner door 101 is closed.

  Immediately after the engaging portion 108 of the lock lever 102 is slid into the locking hole 103, the engaging portion 108 is inserted into the inclined lower side of the support seat 107, and the engaging portion 108 is supported by the inclined lower portion of the supporting seat 107. Is done.

  Thereafter, by rotating as shown by the arrow b in FIG. 1, the engaging portion 108 moves in the direction of the arrow c in FIG. 4 and is supported by the inclined upper portion of the support seat 107. As a result, the inner door 101 is also held in a state where it is not tilted from a state where it is tilted by its own weight.

  As shown in FIG. 5, in the support seat 107, the insertion side of the lock lever 102 is inclined downward. Immediately after the engagement portion 108 of the lock lever 102 is slid into the locking hole 103, the lock lever 102 is inserted into the lower side of the support seat 107. Thereafter, the lock lever 102 is slid rightward to engage the lock lever 102. The portion 108 moves in the direction of the arrow d in FIG. 5 and is supported by the inclined upper portion of the support seat 107.

  Thus, when the inner door 101 is tilted by its own weight, in order to insert the lock lever 102 into the locking hole 103 of the lock plate 105, the inner door 101 is lifted and inserted into the locking hole 103 and the support seat 107. However, since it is in a low position by providing an inclination on the insertion side of the lock lever 102 of the support seat 107, it can be inserted without having to lift the inner door 101, and the inner door 101 is closed and locked. Becomes easy.

  As described above, in the vending machine according to the present embodiment, one end side (left end) in the width direction is pivotally supported on one end side (left end) in the width direction of the vending machine body via the hinge mechanism so as to be rotatable. An inner door 101 that opens and closes the front opening of the main body, a lock lever 102 provided at the end (right end) opposite to the hinge of the inner door 101, and a lock provided at the right front edge side of the vending machine main body. A lock plate 105 for locking the front opening of the vending machine main body to a state closed by the inner door 101 when the lever 102 engages with the locking hole 103 is provided.

  The lock lever 102 used in the present embodiment is slidable in the width direction (left-right direction) of the inner door 101 and is held so as to be rotatable about the width direction (left-right direction) of the inner door 101. And a lock lever provided so as to extend from one end side (left side) of the shaft portion 104 substantially perpendicularly to the central axis of the shaft portion 104 (further bent so that the tip portion is substantially parallel to the shaft portion 104). An operating portion 106 for operating 102, and an engaging portion that extends from the other end side (right side) of the shaft portion 104 substantially perpendicularly to the central axis of the shaft portion and can engage with the locking hole 103. 108.

  Further, on the inner peripheral lower edge side of the locking hole 103 of the lock plate 105 used in the present embodiment, a support that supports the engaging part 108 by contacting the engaging part 108 engaged with the locking hole 103. A seat 107 is formed by cutting and raising.

  Then, after the engaging portion 108 is inserted into the locking hole 103 in a direction above the shaft portion 104, the engaging portion 108 is rotated in a direction to be obliquely below and forward from the shaft portion 104, so that the inner door 101. Configured to lock.

  In addition, the surface of the support seat 107 that supports the engaging portion 108 is such that the front end side of the supporting seat 107 is in line contact with the engaging portion 108 in a state where the inner door 101 is locked and a line extending in the engaging portion 108. It inclines below the rear end side of the support seat 107 and inclines so as to increase from the inner peripheral lower edge of the locking hole 103 toward the insertion direction of the engaging portion 108.

  In the above configuration, the lock lever 102 is tilted so as to become higher from the inner peripheral lower edge of the locking hole 103 toward the insertion direction of the engaging portion 108 (in the direction of arrow a in FIG. 1), whereby the lock lever 102 is moved to the inner door 101. When it is slid in the width direction (arrow a direction in FIG. 1) and inserted into the locking hole 103, it can smoothly ride on the support seat 107 on the inner peripheral lower edge of the locking hole 103.

  At this time, the height position of the inner peripheral lower edge of the locking hole 103 is the same height as the position of the lock lever 102 when the inner door 101 is inclined by its own weight, and the lock lever 102 is moved in the direction of arrow a in FIG. Without sliding into the inner peripheral lower edge of the locking hole 103 when sliding, it can be inserted into the locking hole 103 and ride on the support seat 107 on the inner peripheral lower edge.

  Further, since the front end side of the support seat 107 is inclined below the rear end side of the support seat 107, by rotating the lock lever 102 downward about the width direction (left-right direction) of the inner door 101, The lock lever 102 can be lifted to the rear end side of the support seat 107 along the support seat 107.

  As a result, the inner door 101 itself is changed from the inclined state to the non-inclined state, and the inner door 101 is closed at the position where the inner door 101 is properly sealed, so that the inner and outer seals can be reliably sealed. Become.

  According to the present embodiment, when the lock lever 102 of the lock device is moved to the locked position after the inner door 101 is closed, the tip of the shaft portion of the lock lever 102 is provided on the upper surface of the support seat 107 provided on the lock plate 105. Is supported by being in contact with Further, when the inner door 101 is locked, the front end side of the support seat 107 is inclined below the rear end side of the support seat 107 so that even if the inner door 101 is tilted, the inner door 101 is automatically sealed when locked. It is regulated and held at the secured position.

  Therefore, it is possible to prevent the lock lever 102 from rotating and coming out of the locked position due to the backlash of the hinge, the inclination of the inner door 101 caused by the weight of the inner door 101, and the inclination of the inner door 101. The airtightness between the machine and the vending machine body can be kept stable.

  As described above, the vending machine according to the present invention automatically regulates the state tilted by its own weight by the lock lever and the lock plate of the locking device to the regular sealing securing position when closing the inner door, It is held and it is possible to keep the airtightness between the inner door and the vending machine main body stably, and this lock device should be used for the airtightness, hermeticity, fixing and covering in the warehouse. Therefore, the present invention can be applied not only to vending machines but also to door lock devices used in commercial refrigerators, heat insulation warehouses, distribution cold storage warehouses, distribution refrigerators, and the like.

DESCRIPTION OF SYMBOLS 101 Inner door 102 Lock lever 103 Locking hole 104 Shaft part 105 Lock plate 106 Operation part 107 Support seat 108 Engagement part

Claims (1)

An inner door whose one end side in the width direction is pivotally supported on one end side in the width direction of the vending machine body through a hinge mechanism so as to be rotatable, and opens and closes the front opening of the vending machine body,
A lock lever provided at an end of the inner door opposite to the hinge;
A lock plate provided on a front edge side portion of the vending machine main body for locking the front opening of the vending machine main body in a closed state by the inner door by engaging the lock lever with a locking hole; With
The lock lever is
A shaft portion that is slidable in the width direction of the inner door and is rotatably held around the width direction of the inner door;
An operation portion for operating the lock lever provided to extend substantially perpendicularly to the central axis of the shaft portion from one end side of the shaft portion;
An engaging portion that is provided so as to extend substantially perpendicularly to the central axis of the shaft portion from the other end side of the shaft portion and is engageable with the locking hole;
The inner circumference under edge side of the locking hole, the support seat having upstanding surfaces as contact with the engaging portion in a state engaged with the locking hole to prop up the engaging portion is made form ,
After the engaging portion is inserted into the locking hole in a direction to be above the shaft portion, the engaging portion is rotated in a direction to be obliquely forward and lower than the shaft portion to lock the inner door. Configured to
The surface for supporting the engaging portion in the support seat is
The front end side of the support seat is inclined below the rear end side of the support seat so that the engagement portion in a state where the inner door is locked and a line in the extending direction of the engagement portion can be in line contact, A vending machine, wherein the vending machine is inclined so as to become higher from an inner peripheral lower edge of the locking hole toward an insertion direction of the engaging portion.

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