JP6617095B2 - Connecting structure for connecting storage and cart - Google Patents

Description

  The present invention is a connection structure for connecting a storage and a cart for carrying a mobile rack stored in the storage.

  Patent Document 1 discloses an invention of a parent-child cart that stores a rack (child cart) that supports trays such as hotel pans on multiple stages in a cooking device such as a steam convection oven. This parent-child trolley is composed of a wagon-shaped parent trolley and a child trolley that can be transported on the parent trolley. The parent trolley is used to move to a heating cooker that is the destination of delivery. And run in and out of the cooking chamber. The parent carriage includes a frame assembled in a substantially rectangular box shape, and includes casters for movement at the lower four corners of the frame. A shallow box-shaped rail dish opened upward is provided at the upper part of the base frame of the main carriage, and the slave carriage is placed on the upper side of the rail dish.

  A transfer plate is provided at the front end of the rail plate so as to bridge the rail plate and the cooking chamber, and the child cart placed on the upper side of the rail plate can be moved to the cooking chamber through the transfer plate. The transfer plate is supported by the front end portion of the rail pan so as to be rotatable about a horizontal axis so as to be rotated between a retracted position in which the tip portion is raised upward and a deployed position in which the tip portion is lowered horizontally. ing. A cam is provided below the transfer plate, and is rotated between the retracted position and the deployed position by the rotation of the cam. Further, a cam shaft for rotating the cam is provided on the lower side of the rail plate, and the cam is rotated by a rotation operation of a handle provided at the tip of the cam shaft. A protrusion protruding upward is provided at the bottom of the cooking chamber, and an engagement hole for engaging the protrusion is provided in the transfer plate. When the transfer plate is bridged to the cooking chamber, the transfer plate is connected to the cooking chamber by engaging the protrusion of the cooking chamber with the engagement hole of the transfer plate.

  Patent Document 2 discloses an invention of a battery exchanging device used for exchanging a battery by connecting a transport carriage to an electric vehicle. The transport cart of the battery exchange device is provided with a lock member extending forward, and the electric vehicle is provided with a lock hole with which the lock member is engaged. The lock member is urged in the lock direction by a spring in a natural state. When the transport carriage is brought close to the electric vehicle, the lock member is guided in the surface of the slope plate provided in the electric vehicle and rotated in the unlock direction. When the electric vehicle reaches the battery transfer position, the lock member reaches the upper side of the lock hole and engages with the lock hole, and the transport carriage is connected to the electric vehicle. Further, the transport vehicle is provided with an operation lever for rotating the lock member, and the operation lever is connected to the lock member by a link member.

JP 2009-006802 A JP 2003-212125 A

  In the parent-child trolley described in Patent Document 1 described above, when connecting the parent trolley and the cooking chamber, the transfer plate must be rotated from the retracted position to the unfolded position by rotating the handle. On the other hand, the transport carriage of Patent Document 2 is merely brought close to the electric vehicle, and the lock member is guided on the surface of the slope plate and moves to the upper side of the lock hole, and engages with the lock hole by its own weight. The lock member is urged in the locking direction by a spring and is operated by a link mechanism composed of a large number of parts, resulting in a problem that the number of parts is large and the cost is increased. An object of the present invention is to reduce costs while improving the operability of a connecting structure for connecting a cart and a storage for carrying stored items stored in the storage.

  In order to solve the above-described problems, the present invention is a connecting structure that removably connects a storage and a cart that carries stored items from the front side of the storage, and the cart is at the same height as the bottom of the storage. A top plate portion on which stored items are placed; a guide plate that protrudes backward from the rear end of the top plate portion; and a connecting plate that is provided on the upper side of the guide plate and connects the storage and the cart. At the bottom of the storage, there is an upper plate portion for placing the stored items, a side wall portion provided below the peripheral portion of the upper plate portion, a guide hole through which the guide plate is inserted in the front surface of the side wall portion, and an upper plate portion The base plate is formed with an engagement hole that engages with the connecting plate formed at the front of the guide plate, and the connecting plate rotates about the horizontal axis so that the rear end moves up and down on the upper side of the guide plate. It is pivotally supported and extends from the upper side of the upper part of the base plate to the front and lower side of the connecting plate. A hook portion that is detachably engaged, and an operation plate portion that extends downward at the front end portion of the connection plate are supported by the top plate portion so as to be movable in the front-rear direction, and the operation plate portion is pushed. Thus, the present invention provides a connecting structure between a storage and a cart, which is provided with an operating rod for rotating the connecting plate.

  In the connecting structure of the storage and cart configured as described above, when the cart is moved from the front side of the storage so as to approach the storage, the hook portion at the rear end of the connection plate is the upper plate of the base plate. By hitting the corner portion of the peripheral wall portion, the connecting plate rotates upward as the cart moves. The lower end of the hook portion of the connecting plate moves to the upper side of the engagement hole on the upper side of the upper plate portion, the connecting plate rotates downward by its own weight, the hook portion engages with the engagement hole, and the cart is stored. It is connected to the base plate of the storage. When the operating rod is pushed after connecting the storage and the cart, the connecting plate rotates so that the hook part at the tip part moves upward, and the hook part is detached from the engagement hole so that the cart moves. It becomes possible to move, and the cart can be moved away from the storage. Thus, the storage and the cart can be detachably connected with a simple structure, and the cost can be kept low.

  In the connecting structure of the storage and the cart configured as described above, a handle used for moving the cart is provided at the front of the cart so as to protrude forward, and an operation knob provided at the front end of the operation rod is provided on the cart and the handle. Between the two. When doing so, the handle that prevents the operator who moves the cart from accidentally pushing the operation knob of the operating rod with the handle can be prevented, and the cart can be prevented from being accidentally detached from the storage. I was able to.

It is a front view of the state which opened the door of the heating cooker. It is a perspective view of the state which opened the door of the cooking-by-heating machine. It is a perspective view of a mobile rack. It is a perspective view of a mobile rack when a tray is accommodated. FIG. 6 is a schematic diagram illustrating various embodiments of rails. It is the schematic of embodiment which made the rail removable. It is a perspective view of a cart. It is a perspective view in the state where a mobile rack was stored in the lower part of the cart. It is a side view of a cart. It is the schematic of embodiment provided with the link mechanism for adjusting the height of the top plate part of a cart, and the baseplate of a cooking chamber. It is a perspective view of the state which connected the cooking chamber and the cart.

  Hereinafter, as an embodiment of a connecting structure of a storage and a cart according to the present invention, an embodiment of a connecting structure of a cart that carries a mobile rack (storage) and a cooking cabinet (storage) of a heating cooker such as a steam convection oven. Will be described with reference to the accompanying drawings. The heating cooker 10 is called a steam convection oven, and heats the food by convection of hot air containing steam in the cooking chamber 12. The heating cooker 10 is generally used by being installed on a table having a height of the operator's waist (about 800 mm). As shown in FIGS. 1 and 2, the heating cooker 10 includes a cooking chamber 12 for cooking food in a housing 11, and a machine room 13 in a space in the housing 11 excluding the cooking chamber 12. I have. A front opening 12a through which food is taken in and out is provided at the front of the cooking cabinet 12, and a door 14 for opening and closing the front opening 12a is provided at the front opening 12a. In the cooking cabinet 12, trays T such as hotel bread for putting ingredients can be stored in multiple stages in the vertical direction. In this embodiment, 10 trays T can be stored in the vertical direction. The heating cooker 10 uses a mobile rack 20 that can accommodate a large number (ten stages) of trays T in the cooking chamber 12 so that a large number (ten stages) of trays T can be quickly stored at once. The tray T together with the mobile rack 20 is stored in the cooking cabinet 12.

  As shown in FIGS. 1 and 2, a base plate 15 is provided at the bottom of the cooking cabinet 12, and the base plate 15 includes an upper plate portion 15a on which the mobile rack 20 is placed, and a lower peripheral portion of the upper plate portion 15a. The side wall part 15b provided in the. A guide hole 15c through which a guide plate 34 of a cart 30 described later is inserted is formed in the front side wall portion 15b1 constituting the side wall portion 15b of the base plate 15, and a front portion of the upper plate portion 15a of the base plate 15 will be described later. An engagement hole 15d is formed in which the connecting plate 35 of the cart 30 is engaged. Further, the base plate 15 is supported in the cooking cabinet 12 so that the front part can be moved upward. When the height of the front upper surface of the upper plate portion 15a of the base plate 15 is lower than the height of the rear upper surface of the top plate portion 31d of the cart 30 described later, the front upper surface of the upper plate portion 15a of the base plate 15 is the top of the cart 30. It can be adjusted to the same height as the upper surface of the rear portion of the plate portion 31d.

  As shown in FIGS. 3 and 4, the mobile rack 20 accommodates trays T such as hotel bread in a multi-stage shape (10 stages) up and down, and is accommodated in the cooking chamber 12 with the trays T accommodated. It is what is done. The mobile rack 20 includes a frame 21 having a substantially rectangular parallelepiped shape, and the frame 21 is provided with support members 21a erected at the front, rear, left and right four corners, and front, rear, left and right horizontal members 21b connecting the support members 21a at the four corners in the front and rear and left and right. And a top plate 21c for connecting the support members 21a at the four corners at the upper end. The left and right horizontal members 21 b extending in the front and rear direction of the lower end of the frame 21 are provided with wheels 22, and the mobile rack 20 can travel (move) by the wheels 22. Rails 21d extending in the front-rear direction are provided on the left and right sides of the frame 21 between the front and rear support members 21a, and the rails 21d support the left and right flanges on the upper edge of the tray T so as to be slidable back and forth. It is. In this embodiment, the left and right rails 21d are provided at ten locations in the vertical direction of the column member 21a.

  As shown in FIG. 5 (a), the rail 21d has a substantially U-shape that is open to the inside with a vertical plate portion, and an upper plate portion and a lower plate portion that extend inward from the upper end and lower end of the vertical plate portion. I am doing. The rail 21d has a substantially U-shape that is opened up and down so that the upper plate portion is obliquely above the vertical plate portion and the lower plate portion is obliquely below the vertical plate portion. The flanges on the left and right sides of the edge are easy to insert. Since the lower plate portion of the rail 21d is inclined downward, the left and right flange portions of the upper edge of the tray T are locked by line contact with the lower plate portion of the rail 21d, and the rail 21d Even if the front end of the lower plate portion slides back and forth on the flange portion on the upper edge of the tray T, it becomes difficult to be cut off, and the front end portion of the lower plate portion of the rail 21d is not sharply cut.

  Note that the shape of the rail 21d is not limited to a U-shape opened up and down, and as shown in FIG. 5B, a substantially G-shape in which the tip of the U-shaped lower plate portion is further bent upward. As shown in FIG. 5C, a rib extending in the front-rear direction may be formed at the top end of the upper surface of the U-shaped lower plate portion. Further, the rail 21d may be detachably attached to the column member 21a so that it can be easily replaced when the tip of the lower plate portion of the rail 21d is sharply cut. In this case, as shown in FIG. 6A, a crank member may be attached to the rail 21d, and the crank member may be engaged with a key-shaped engagement hole formed in the column member 21a. As shown in (b), a head large-diameter pin may be attached to the rail 21d, and the head large-diameter pin may be engaged with a saddle-shaped engagement hole formed in the column member 21a. When the rail 21d is attached to the support member 21a by engaging the large-diameter head pin with the engagement hole of the daruma shape, the support member 21a has a retaining plate for preventing the rail 21d from coming off. Is preferably provided.

  A tray stopper 23 is rotatably provided on the front side and the rear side of the frame 21, and the tray stopper 23 restricts the movement of the tray T in the front-rear direction when the tray stopper 23 is in the locking position at the front side or the rear side position of the frame. doing.

  As shown in FIGS. 7 and 8, the cart 30 is intended to move the mobile rack 20. The cart 30 includes a substantially rectangular parallelepiped frame 31, the frame 31 standing upright and left and right four corners, and the front and rear left and right horizontal members 31 b connecting the four corner pillar members 31 a front and rear and left and right at the lower end. And upper and lower upper horizontal members 31c for connecting the four pillar support members 31a to the left and right at the upper end, and a top plate portion 31d provided on the upper side of the upper horizontal member 31c.

  The left and right lower horizontal members 31 b extending in the front-rear direction are provided with wheels 32, and the cart 30 can travel (move) by the wheels 32. A pair of left and right storage rails 33 extending in the front-rear direction are provided on the front and rear lower horizontal members 31b extending in the left-right direction. The storage rail 33 is for storing the mobile rack 20 when not in use inside the frame 31, and the mobile rack 20 is stored in the frame 31 above the storage rail 33 as shown in FIG. 8. . The storage rail 33 is formed with a recess 33a at a position facing the wheel 22 of the mobile rack 20, and the mobile rack 20 is restricted from moving back and forth by engaging the wheel 22 with the recess 33a. .

  The top plate portion 31d mounts the mobile rack 20 on the upper surface, and the height of the upper surface of the top plate portion 31d is substantially the same as the height of the upper surface of the upper plate portion 15a of the base plate 15 provided at the bottom in the cooking cabinet 12. It is the same. The left and right sides of the top plate portion 31d are formed with bent portions 31e that are bent upward to restrict the mobile rack 20 from moving left and right. The rear end portion (the cooking chamber side) of the top plate portion 31d protrudes rearward from the rear column member 31a and the rear upper horizontal member 31c, and the rear end portion of the top plate portion 31d is the front end of the cooking chamber 12. It can be connected to the part.

  As shown in FIGS. 7 and 8, a notch 31f is formed at the center in the left-right direction of the rear end of the top plate 31d. A guide plate 34 is provided on the lower surface of the rear end portion of the top plate portion 31d so as to protrude rearward (cooking side) so as to cover the position where the notch portion 31f is formed from below. It can be inserted into the guide hole 15 c of the base plate 15 at the bottom of the cooking chamber 12. As shown in FIG. 9, the guide plate 34 is provided with an inclined portion 34a inclined downward at the tip, and the upper surface of the rear portion of the top plate portion 31d is slightly smaller than the upper surface of the front portion of the upper plate portion 15a of the base plate 15. Even if the height is increased, the guide plate 34 can be inserted into the guide hole 15c by the inclined portion 34a. When the guide plate 34 is inserted from the inclined portion 34a of the tip portion into the guide hole 15c of the base plate 15 in a state where the rear upper surface of the top plate portion 31d is slightly higher than the front upper surface of the upper plate portion 15a of the base plate 15. The front upper surface of the upper plate portion 15a of the base plate 15 is lifted so as to be at the same height as the rear upper surface of the top plate portion 31d. As shown in FIG. 10A, a link mechanism for lifting the base plate 15 is provided inside the base plate 15, or as shown in FIG. A link mechanism for lifting 31d may be provided so that the upper surface of the upper plate portion 15a of the base plate 15 and the upper surface of the top plate portion 31d can be adjusted to the same height.

  As shown in FIG. 9, a notch portion 31f is formed at the rear end of the top plate portion 31d, and a connecting plate 35 is provided on the upper side of the guide plate 34 at a position so as to be rotatable about a horizontal axis. The connecting plate 35 is pivotally supported so that the front end can rotate about the horizontal axis so that the rear end moves up and down. A hook portion 35 a extending obliquely forward and downward is provided at the rear end of the connecting plate 35, and the hook portion 35 a can be engaged with the engagement hole 15 d of the base plate 15. Further, the rear end of the connecting plate 35 disposed above the guide plate 34, that is, the upper end of the hook portion 35 a is disposed at a position higher than the upper plate portion 15 a of the base plate 15, and the lower end of the hook portion 35 a is the base plate 15. It arrange | positions in the position lower than the upper board part 15a. When the cart 30 on the front side of the cooking chamber 12 is moved rearward so as to approach the cooking chamber 12, the hook portion 35a of the connecting plate 35 is located between the upper plate portion 15a of the base plate 15 and the front side wall portion 15b1. When hitting the corner, the connecting plate 35 is rotated upward so that the hook portion 35a at the tip is located on the upper side of the upper plate portion 15a. An operation plate portion 35b extending downward is provided at the front end portion of the connection plate 35, and when the operation plate portion 35b is pushed to the rear side (the cooking chamber side), the front end portion of the connection plate 35 rotates upward. It is supposed to be.

  As shown in FIG. 9, the operation bar 36 is supported on the lower surface of the top plate portion 31 d so as to be movable in the front-rear direction on the front side of the connection plate 35, and the operation rod 36 is connected to the operation plate portion 35 b of the connection plate 35. Is pushed to the rear side. A front end portion of the operation rod 36 extends forward from the upper horizontal member 31 c on the front side of the frame 31, and an operation knob 36 a for pushing the operation rod 36 is provided at the front end portion of the operation rod 36. When the operation knob 36a of the operation rod 36 is pushed to move rearward, the operation plate portion 35b of the connecting plate 35 is pushed rearward, and the hook portion 35a at the rear end portion of the connecting plate 35 rotates upward. Move. When the operation knob 36a of the operation rod 36 is released, the hook portion 35a of the connecting plate 35 rotates downward due to its own weight, and the operation plate portion 35b of the connecting plate 35 returns to the front side from the state where it is pushed rearward. The rod 36 is returned to the front side from the state of moving to the rear side.

  As shown in FIGS. 7 to 9, a handle 37 used for the operation of moving the cart 30 is provided on the front portion of the frame 31 (opposite side of the cooking chamber 12) so as to protrude to the front side (outside). The handle 37 has a substantially U-shape opened to the rear side, and is fixed to the upper ends of the left and right support members 31a. An operation knob 36 a of the operation rod 36 is disposed inside the handle 37 between the cart 31 and the frame 31.

  The moving operation of the mobile rack 20 from the cart 30 to the cooking cabinet 12 when the connecting structure of the cooking cabinet 12 and the cart 30 configured as described above is used will be described. The mobile rack 20 is placed on the top surface of the top plate portion 31 d of the cart 30, and a tray T such as a hotel pan is accommodated in each rail 21 d of the mobile rack 20. In this state, when the cart 30 is brought close to the cooking chamber 12 from the front side of the cooking chamber 12, the guide plate 34 is inserted into the guide hole 15c of the base plate 15, and the hook portion 35a of the connecting plate 35 is connected to the upper plate portion 15a of the base plate 15. When hitting the corner between the front side wall portion 15b1 and the connecting plate 35, the hook portion 35a at the tip portion rotates upward. When the lower end of the hook portion 35a of the connecting plate 35 reaches the upper side of the upper plate portion 15a of the base plate 15, the hook portion 35a of the connecting plate 35 rotates downward, and the hook portion 35a engages with the engagement hole of the upper plate portion 15a. Engage with 15d. As shown in FIG. 11, the hook portion 35 a of the connecting plate 35 is engaged with the engaging hole 15 d of the base plate 15, whereby the top plate portion 31 d of the cart 30 is connected to the base plate 15 of the cooking chamber 12.

  After moving the mobile rack 20 on the upper side of the top plate portion 31d of the cart 30 to the upper side of the base plate 15 of the cooking chamber 12, when the push operation is performed so that the operation knob 36a of the operation bar 36 is picked and moved to the rear side, The operation plate portion 35b of the connecting plate 35 is pushed rearward, the hook portion 35a at the front end portion of the connecting plate 35 rotates upward and is disengaged from the engagement hole 15d of the base plate 15, and the top plate portion 31d and the cooking chamber. The connected state of the 12 base plates 15 is released. When the cart 30 is moved forward in this state, the cart 30 can be separated from the cooking chamber 12 of the heating cooker 10. After the cart 30 is moved forward from the front side of the cooking chamber 12, the hook portion 35a of the connecting plate 35 is rotated downward by its own weight only by releasing the operation knob 36a of the operating rod 36. The operation plate 35b is returned to the front side from the state where the operation plate portion 35b is pushed rearward, and the operation bar 36 is returned to the front side from the state where it is moved rearward. As described above, the connecting structure of the cooking cabinet 12 and the cart 30 according to the present invention can connect the cart 30 and the cooking cabinet 12 in a detachable manner, and the cost can be reduced. Further, a handle 37 used for moving the cart 30 is provided on the opposite side of the cart 30 from the cooking cabinet 12 side, and an operation knob 36 a of the operation rod 36 is disposed between the cart 30 and the handle 37. Thereby, it is possible to prevent the operator who moves the cart 30 from accidentally pushing the operation knob 36a of the operation rod 36 due to contact with the handle 37, and the cart 30 is erroneously detached from the cooking cabinet 12. Was able to prevent.

  In this embodiment, the connection structure between the cooking chamber 12 and the cart of the heating cooker 10 has been described as an example of the connection structure between the storage and the cart. However, the present invention is not limited to this, and other storages are possible. As a refrigerator, a storage item such as a mobile rack may be stored in a refrigerator, a blast chiller refrigerator, or the like.

 DESCRIPTION OF SYMBOLS 12 ... Storage (cooking), 15 ... Base plate, 15a ... Upper board part, 15b ... Side wall part, 15b1 ... Front side wall part, 15c ... Guide hole, 15d ... Engagement hole, 20 ... Storage thing (mobile rack), DESCRIPTION OF SYMBOLS 30 ... Cart, 31d ... Top plate part, 34 ... Guide plate, 35 ... Connection board, 35a ... Hook part, 35b ... Operation board part, 36 ... Operation rod, 36a ... Operation knob, 37 ... Handle.

Claims (2)

A connecting structure for detachably connecting a storage and a cart for carrying storage items from the front side of the storage,
The cart includes a top plate portion on which the stored items are placed at the same height as a bottom portion of the storage, a guide plate that protrudes rearward from a rear end portion of the top plate portion, and a guide plate A connecting plate that is provided on the upper side and connects the storage and the cart;
At the bottom of the storage, the guide plate is inserted into the upper plate portion on which the stored items are placed, the side wall portion provided below the peripheral edge portion of the upper plate portion, and the front side wall portion constituting the side wall portion. A base plate formed with a guide hole formed therein and an engagement hole that engages with the connecting plate formed in the front portion of the upper plate portion,
The connecting plate is pivotally supported with its front end pivotable about a horizontal axis so that the rear end moves up and down on the upper side of the guide plate, and at the rear end of the connecting plate is the upper plate portion of the base plate. A hook portion that extends diagonally forward and downward from the upper side of the engagement plate and is detachably engaged with the engagement hole, and an operation plate portion that extends downward at the front end portion of the connection plate,
A structure for connecting a storage and a cart, wherein the top plate is provided with an operation rod that is supported so as to be movable in the front-rear direction and that pushes the operation plate to rotate the connection plate. In the connection structure of the storage and cart according to claim 1,
A handle for projecting a cart to move forward is provided at the front of the cart, and an operation knob provided at the front end of the operation rod is disposed between the cart and the handle. Linking structure of storage and cart.

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