JP2007195750A - Food service cart - Google Patents

Food service cart Download PDF

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Publication number
JP2007195750A
JP2007195750A JP2006018206A JP2006018206A JP2007195750A JP 2007195750 A JP2007195750 A JP 2007195750A JP 2006018206 A JP2006018206 A JP 2006018206A JP 2006018206 A JP2006018206 A JP 2006018206A JP 2007195750 A JP2007195750 A JP 2007195750A
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Prior art keywords
tableware
tableware storage
carriage
cart
lower plate
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JP2006018206A
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Japanese (ja)
Inventor
Hideo Fukunaga
秀雄 福永
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Priority to JP2006018206A priority Critical patent/JP2007195750A/en
Publication of JP2007195750A publication Critical patent/JP2007195750A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a food service cart capable of preventing the inclining and falling of tableware by reducing the vibration of a tableware storage chamber. <P>SOLUTION: This food service cart is formed by providing the tableware storage chamber 2 on a cart 1. A plurality of lower plate parts 4 each formed with a concave spherical recess 3 on its upper face are provided in the upper face of the cart 1. A plurality of upper plate parts 6 each formed with a concave spherical recess 3 on its lower face are provided in the lower face of the tableware storage chamber 2 facing to the lower plate parts 4. A spherical body 7 is interposed between the recess 3 of the lower plate part 4 and the recess 5 of the upper plate part 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、病院、ホテル、学校等の施設で使用される配膳車に関するものである。   The present invention relates to a service car used in facilities such as hospitals, hotels, and schools.

例えば、病院において各病室の患者に給食する場合、主食や副食、デザート等をそれぞれ盛り付けた食器をトレーの上に並べると共にこのトレーを配膳車内に多数収容し、配膳車を走行させて各病室を回りながら、配膳車からトレーを取り出して患者に配達することが行われている。   For example, when feeding a patient in each hospital room in a hospital, arrange dishes with staple foods, side meals, desserts, etc. on the tray, and store a large number of these trays in the distribution car. While turning, the tray is taken out from the distribution car and delivered to the patient.

このような配膳車として従来から各種のものが提供されているが(例えば、特許文献1−4参照。)、最近では保温と保冷の機能を有する配膳車が提供されている。また、従来の配膳車は配膳係の作業者が押したり引いたりして走行させるのが一般的であったが、このように保温や保冷の機能を設けると配膳車の重量が重くなるので、モータで車輪を駆動させて自走させる自走式の配膳車が提案されるに至っている。
特公平2−14055号公報 実開平3−77190号公報 実公平5−17943号公報 実公平6−12653号公報
Various types of such arrangements have been conventionally provided (see, for example, Patent Documents 1-4), but recently, arrangements having functions of heat insulation and cold insulation have been provided. In addition, it was common for a conventional arrangement vehicle to be pushed and pulled by a worker in charge of the arrangement, but if the heat insulation and cold insulation functions are provided in this way, the weight of the arrangement vehicle becomes heavy. A self-propelled trolley that drives a wheel by a motor to be self-propelled has been proposed.
Japanese Examined Patent Publication No. 2-14055 Japanese Utility Model Publication No. 3-77190 Japanese Utility Model Publication No. 5-17943 Japanese Utility Model Publication No. 6-12653

しかしながら、従来の配膳車にあっては、急発進・急停止する場合や、一定速度で走行中に急加速・急減速する場合などにおいて、食器収容庫が揺れ、これによって食器が傾いたり転倒したりして、汁物などがこぼれやすいという問題があった。   However, in the case of a conventional trolley car, the tableware container shakes when suddenly starting and stopping, or when suddenly accelerating and decelerating while driving at a constant speed, which causes the tableware to tilt or fall over. In other words, there was a problem that soups were easily spilled.

本発明は上記の点に鑑みてなされたものであり、食器収容庫の揺れを低減し、食器が傾いたり転倒したりするのを防止することができる配膳車を提供することを目的とするものである。   The present invention has been made in view of the above points, and an object of the present invention is to provide a distribution car that can reduce the shaking of the tableware storage container and prevent the tableware from tilting or falling. It is.

本発明の請求項1に係る配膳車は、台車1の上に食器収容庫2を設けて形成される配膳車において、凹球面状の凹部3を上面に形成した下皿部4を台車1の上面に複数設け、凹球面状の凹部5を下面に形成した上皿部6を下皿部4に対向させて食器収容庫2の下面に複数設けると共に、下皿部4の凹部3と上皿部6の凹部5との間に球体7を介在させて成ることを特徴とするものである。   According to the first aspect of the present invention, the distribution vehicle is a distribution vehicle formed by providing the tableware storage 2 on the carriage 1, and the lower dish portion 4 having the concave spherical concave portion 3 formed on the upper surface thereof. A plurality of upper plate portions 6 provided on the upper surface and having concave spherical concave portions 5 formed on the lower surface are provided on the lower surface of the tableware container 2 so as to face the lower plate portion 4, and the recesses 3 and the upper plate of the lower plate portion 4 are provided. A spherical body 7 is interposed between the concave portion 5 of the portion 6 and the concave portion 5.

請求項2に係る発明は、請求項1において、台車1と食器収容庫2とを油圧ダンパー8で連結して成ることを特徴とするものである。   The invention according to claim 2 is characterized in that, in claim 1, the carriage 1 and the tableware storage 2 are connected by a hydraulic damper 8.

本発明の請求項1に係る配膳車によれば、食器収容庫の揺れを低減し、食器が傾いたり転倒したりするのを防止することができるものである。   According to the service cart according to claim 1 of the present invention, the tableware storage can be prevented from shaking and the tableware can be prevented from tilting or falling.

請求項2に係る発明によれば、食器収容庫の揺れを素早く減衰させることができるものである。   According to the invention which concerns on Claim 2, the shake of a tableware container can be attenuate | damped rapidly.

以下、本発明の実施の形態を説明する。   Embodiments of the present invention will be described below.

図1は本発明の実施の形態の一例を示すものであり、本発明において配膳車は、台車1の上に食器収容庫2を設けて形成される。   FIG. 1 shows an example of an embodiment of the present invention. In the present invention, a layout vehicle is formed by providing a tableware storage 2 on a carriage 1.

台車1は、下面に複数の車輪9を設けて形成してあり、複数の車輪9は、ACサーボモータ等のモータで駆動される駆動輪10と、首振り回転自在に形成される操向輪11とで構成してある。台車1の周囲にはバンパー12を設け、壁などに衝突した際の衝撃を緩和することができるようにしてある。   The carriage 1 is formed by providing a plurality of wheels 9 on the lower surface, and the plurality of wheels 9 are driven wheels 10 driven by a motor such as an AC servo motor, and steered wheels formed so as to freely swing. 11. A bumper 12 is provided around the carriage 1 so as to mitigate the impact when it collides with a wall or the like.

また、台車1の上面には下皿部4が複数設けられている。図1に示す配膳車においては、台車1の上面の四隅に下皿部4が設けられているが、特にこれに限定されるものではない。ここで、下皿部4は、凹球面状の凹部3を上面に形成したものである。   In addition, a plurality of lower plate parts 4 are provided on the upper surface of the carriage 1. In the arrangement vehicle shown in FIG. 1, the lower dish portions 4 are provided at the four corners of the upper surface of the carriage 1, but the invention is not particularly limited thereto. Here, the lower dish part 4 forms the concave spherical recessed part 3 in the upper surface.

一方、食器収容庫2は箱状に形成されている。食器収容庫2の内部には複数段の棚を設け、食器を載せたトレーを各棚の上に載せることによって、複数のトレーを収容することができるようにしてある。また、食器収容庫2の側面には複数の扉13を設け、この扉13を開閉してトレーの出し入れをすることができるようにしてある。なお、食器収容庫2は、従来から知られているような保温と保冷の機能を有する保温保冷庫として形成してもよい。   On the other hand, the tableware storage 2 is formed in a box shape. A plurality of shelves are provided inside the tableware storage 2, and a plurality of trays can be accommodated by placing trays on which the tableware is placed on each shelf. A plurality of doors 13 are provided on the side surface of the tableware storage 2, and the doors 13 can be opened and closed to allow the trays to be taken in and out. In addition, you may form the tableware storage 2 as a heat insulation cold storage which has the function of heat insulation and cold preservation as conventionally known.

また、食器収容庫2の下面には、台車1の上面に設けられた下皿部4に対向させて上皿部6が複数設けられている。図1に示す配膳車においては、食器収容庫2の下面の四隅に上皿部6が設けられているが、特にこれに限定されるものではない。ここで、上皿部6は、下皿部4と上下対称であって、凹球面状の凹部5を下面に形成したものである。   In addition, a plurality of upper plate portions 6 are provided on the lower surface of the tableware storage 2 so as to face the lower plate portion 4 provided on the upper surface of the carriage 1. In the arrangement vehicle shown in FIG. 1, the upper plate portions 6 are provided at the four corners of the lower surface of the tableware storage case 2, but the present invention is not particularly limited thereto. Here, the upper plate part 6 is vertically symmetrical with the lower plate part 4 and has a concave spherical concave portion 5 formed on the lower surface.

そして、下皿部4の凹部3と上皿部6の凹部5との間に球体7を介在させることによって、図1に示すような配膳車を得ることができる。具体的には、各下皿部4の凹部3に球体7を載置した後、これらの球体7の上に各上皿部6の凹部5が当接するようにして、台車1の上に食器収容庫2を載置するものである。ここで、配膳車が停止又は等速度で走行している場合には、球体7は、図1(a)に示すように、下皿部4の凹部3の最下部に位置して食器収容庫2を支持しているが、配膳車が加速又は減速している場合には、球体7は、図1(b)(c)に示すように、下皿部4の凹部3と上皿部6の凹部5との間で転動しながら、食器収容庫2を支持している。このように、球体7は転動するため、図3に示すように、下皿部4の凹部3の開口縁及び上皿部6の凹部5の開口縁を共に突出させて突縁部14を設けておくのが好ましい。これにより、突縁部14がストッパーとしての機能を発揮し、球体7が下皿部4と上皿部6との間から脱落するのを防止することができるものである。   Then, by arranging the spherical body 7 between the concave portion 3 of the lower plate portion 4 and the concave portion 5 of the upper plate portion 6, it is possible to obtain a distribution vehicle as shown in FIG. 1. Specifically, after placing the spheres 7 in the recesses 3 of the lower plate parts 4, the recesses 5 of the upper plate parts 6 abut on the spheres 7 so that the tableware is placed on the carriage 1. The container 2 is placed. Here, when the distribution vehicle is stopped or traveling at a constant speed, the sphere 7 is located at the lowest part of the recess 3 of the lower plate part 4 as shown in FIG. 2 is supported, but when the trolley is accelerating or decelerating, the sphere 7 has the concave portion 3 and the upper plate portion 6 of the lower plate portion 4 as shown in FIGS. The tableware storage 2 is supported while rolling between the recesses 5 of the table. In this way, since the sphere 7 rolls, as shown in FIG. 3, the opening edge of the recess 3 of the lower dish part 4 and the opening edge of the recess 5 of the upper dish part 6 are projected together so that the projecting edge part 14 is formed. It is preferable to provide it. Thereby, the projecting edge portion 14 exhibits a function as a stopper, and the spherical body 7 can be prevented from falling off between the lower plate portion 4 and the upper plate portion 6.

ところで、従来の配膳車にあっては、食器収容庫2は台車1に固定されていたため、台車1と共に食器収容庫2も急加速・急減速することとなり、これにより食器収容庫2内に載置された食器が傾いたり転倒したりしていた。   By the way, in the conventional allocation vehicle, since the tableware storage 2 was fixed to the trolley | bogie 1, the tableware storage 2 with the trolley | bogie 1 will accelerate / decelerate rapidly, and it will be loaded in the tableware storage 2 by this. The placed tableware was tilted or overturned.

しかし、本発明に係る配膳車にあっては、食器収容庫2は、台車1に固定されているわけではなく、球体7の転動によって台車1に対して前後左右に移動することができるため、台車1が急加速・急減速しても、食器が傾いたり転倒したりしないものである。   However, in the allocation vehicle according to the present invention, the tableware storage 2 is not fixed to the carriage 1 and can move forward, backward, left and right with respect to the carriage 1 by the rolling of the sphere 7. Even if the cart 1 suddenly accelerates or decelerates, the tableware does not tilt or fall over.

すなわち、図1(b)に示すように、台車1が停止状態から矢印の向きに急発進する場合や、一定速度で走行中に急加速する場合であっても、食器収容庫2は、急発進・急加速せず、慣性力により、台車1からみて後ろに下がりつつ徐々に加速することとなる。そのため、食器収容庫2内に載置された食器が傾いたり転倒したりするのを防止することができるものである。   That is, as shown in FIG. 1 (b), even when the cart 1 suddenly starts from the stop state in the direction of the arrow, or when it suddenly accelerates while traveling at a constant speed, the tableware storage 2 Without starting or suddenly accelerating, the inertial force causes the vehicle to gradually accelerate while descending as viewed from the cart 1. Therefore, it is possible to prevent the tableware placed in the tableware storage case 2 from being tilted or overturned.

一方、図1(c)に示すように、台車1が急停止する場合や、一定速度で走行中に急減速する場合であっても、食器収容庫2は、急停止・急減速することなく、慣性力により、台車1からみて前に進みつつ徐々に減速することとなる。そのため、食器収容庫2内に載置された食器が傾いたり転倒したりするのを防止することができるものである。   On the other hand, as shown in FIG.1 (c), even when the cart 1 stops suddenly or when it decelerates suddenly while traveling at a constant speed, the tableware storage 2 does not suddenly stop or decelerate. The inertial force gradually decelerates while moving forward as viewed from the carriage 1. Therefore, it is possible to prevent the tableware placed in the tableware storage case 2 from being tilted or overturned.

ここで、下皿部4の凹部3は凹球面状に形成されているので、球体7が、図3に示すように、凹部3の最下部よりも高い位置に存在する場合には、凹部3の最下部へ向かう向きに復元力Fが球体7に作用することとなる。よって、図1(b)のように台車1からみて後ろに下がった食器収容庫2や、図1(c)のように台車1からみて前に進んだ食器収容庫2は、球体7に作用する復元力Fによって、図1(a)のように元の位置に戻るものである。なお、球体7に作用する復元力Fと球体7が凹部3の凹球面を垂直に押圧する力Fとのベクトル和が、球体7に作用する全荷重Fとなる。 Here, since the concave portion 3 of the lower plate portion 4 is formed in a concave spherical shape, when the sphere 7 exists at a position higher than the lowermost portion of the concave portion 3 as shown in FIG. Thus, the restoring force F 1 acts on the sphere 7 in the direction toward the lowermost part. Accordingly, the tableware container 2 lowered from the carriage 1 as shown in FIG. 1B or the tableware container 2 advanced from the carriage 1 as shown in FIG. by the restoring force F 1 which is intended to return to the original position as shown in FIG. 1 (a). The vector sum of the restoring force F 1 that acts on the sphere 7 and the force F 2 that the sphere 7 presses the concave spherical surface of the recess 3 vertically becomes the total load F that acts on the sphere 7.

また、図2(b)(c)に示すように、台車1の向きを変えるために台車1を左右に移動させる場合であっても、食器収容庫2は、台車1と同時に移動せず、台車1より少し遅れて徐々に移動して、図2(a)のように元の位置に戻ることとなる。そのため、食器収容庫2内に載置された食器が傾いたり転倒したりするのを防止することができるものである。   In addition, as shown in FIGS. 2B and 2C, even when the carriage 1 is moved left and right to change the direction of the carriage 1, the tableware storage 2 does not move simultaneously with the carriage 1, It gradually moves slightly behind the carriage 1 and returns to its original position as shown in FIG. Therefore, it is possible to prevent the tableware placed in the tableware storage case 2 from being tilted or overturned.

このように、本発明係る配膳車によれば、食器収容庫2の揺れを低減し、食器が傾いたり転倒したりするのを防止することができるものである。   Thus, according to the distribution vehicle according to the present invention, the shaking of the tableware storage case 2 can be reduced and the tableware can be prevented from tilting or falling.

ところで、図3に示すように、下皿部4の凹部3の最下部よりも高い位置に球体7が存在する場合には、すでに説明したように、凹部3の最下部へ向かう向きに復元力Fが球体7に作用することとなる。しかし、球体7は直ちに凹部3の最下部で停止するわけではなく、通常はこの最下部を中心として往復を繰り返すので、このような球体7で支持される食器収容庫2の揺れはなかなか減衰しないおそれがある。そこで、図4に示す配膳車においては、台車1と食器収容庫2とを油圧ダンパー8で連結するようにしてある。具体的には、油圧ダンパー8の一端を台車1に連結し、他端を食器収容庫2に連結するものであるが、食器収容庫2は、図1及び図2のように台車1に対して前後左右に移動するのみならず、図3からも分かるように台車1に対して上下にわずかに移動するので、油圧ダンパー8と台車1及び食器収容庫2との連結部分には自在継手15を用いるようにしてある。図4に示す配膳車においては、配膳車の左右方向(X方向)に沿って台車1と食器収容庫2とを油圧ダンパー8で連結すると共に、配膳車の前後方向(Y方向)に沿って台車1と食器収容庫2とを油圧ダンパー8で連結しているが、特にこれに限定されるものではない。 By the way, as shown in FIG. 3, when the sphere 7 is present at a position higher than the lowermost portion of the concave portion 3 of the lower dish portion 4, as described above, the restoring force is directed toward the lowermost portion of the concave portion 3. F 1 acts on the sphere 7. However, since the sphere 7 does not immediately stop at the lowermost part of the recess 3 and normally reciprocates around the lowermost part, the shaking of the tableware storage 2 supported by the sphere 7 is not easily attenuated. There is a fear. Therefore, in the arrangement vehicle shown in FIG. 4, the carriage 1 and the tableware storage 2 are connected by the hydraulic damper 8. Specifically, one end of the hydraulic damper 8 is connected to the carriage 1 and the other end is connected to the tableware storage 2. The tableware storage 2 is connected to the carriage 1 as shown in FIGS. As shown in FIG. 3, it moves slightly up and down with respect to the carriage 1, so that the universal joint 15 is connected to the connecting portion between the hydraulic damper 8, the carriage 1, and the tableware storage 2. Is used. In the arrangement vehicle shown in FIG. 4, the cart 1 and the tableware storage 2 are connected by the hydraulic damper 8 along the left-right direction (X direction) of the arrangement vehicle, and along the front-rear direction (Y direction) of the arrangement vehicle. Although the cart 1 and the tableware storage 2 are connected by the hydraulic damper 8, it is not particularly limited to this.

このように、台車1と食器収容庫2とを油圧ダンパー8で連結すれば、食器収容庫2の揺れを素早く減衰させることができるものである。特に図4に示す配膳車においては、X方向及びY方向に沿って台車1と食器収容庫2とを油圧ダンパー8で連結しているので、X方向及びY方向に食器収容庫2が揺れるのを素早く減衰させることができるものである。   Thus, if the cart 1 and the tableware storage 2 are connected by the hydraulic damper 8, the swing of the tableware storage 2 can be quickly attenuated. In particular, in the arrangement vehicle shown in FIG. 4, since the cart 1 and the tableware storage 2 are connected by the hydraulic damper 8 along the X direction and the Y direction, the tableware storage 2 swings in the X direction and the Y direction. Can be quickly attenuated.

本発明の実施の形態の一例を示すものであり、(a)は停止状態又は等速度で走行している状態の概略側面図、(b)は急発進又は急加速した状態の概略側面図、(c)は急停止又は急減速した状態の概略側面図である。BRIEF DESCRIPTION OF THE DRAWINGS It shows an example of embodiment of this invention, (a) is a schematic side view of the state which is stopped or driving | running at equal speed, (b) is a schematic side view of the state which started suddenly or accelerated rapidly, (C) is a schematic side view of the state of sudden stop or sudden deceleration. 本発明の実施の形態の一例を示すものであり、(a)は停止状態又は等速度で走行している状態の概略正面図、(b)(c)は進行方向に向かって左右に揺れている状態を示す概略正面図である。BRIEF DESCRIPTION OF THE DRAWINGS It shows an example of embodiment of this invention, (a) is a schematic front view of the state which is drive | working at a stop state or equal speed, (b) (c) shakes right and left toward the advancing direction. It is a schematic front view which shows the state which exists. 本発明の実施の形態の一例を示すものであり、一部を拡大した概略断面図である。BRIEF DESCRIPTION OF THE DRAWINGS It shows an example of embodiment of this invention and is the schematic sectional drawing which expanded a part. 本発明の実施の形態の他の一例を示すものであり、(a)は概略平面図、(b)は一部を拡大した概略正面図である。It shows another example of the embodiment of the present invention, (a) is a schematic plan view, (b) is a schematic front view partially enlarged.

符号の説明Explanation of symbols

1 台車
2 食器収容庫
3 凹部
4 下皿部
5 凹部
6 上皿部
7 球体
8 油圧ダンパー
DESCRIPTION OF SYMBOLS 1 Cargo 2 Tableware storage 3 Recessed part 4 Lower plate part 5 Recessed part 6 Upper plate part 7 Sphere 8 Hydraulic damper

Claims (2)

台車の上に食器収容庫を設けて形成される配膳車において、凹球面状の凹部を上面に形成した下皿部を台車の上面に複数設け、凹球面状の凹部を下面に形成した上皿部を下皿部に対向させて食器収容庫の下面に複数設けると共に、下皿部の凹部と上皿部の凹部との間に球体を介在させて成ることを特徴とする配膳車。   In a distribution car formed by providing a tableware container on a carriage, an upper dish in which a plurality of lower dish parts having concave spherical concave parts formed on the upper surface are provided on the upper surface of the carriage, and concave spherical concave parts are formed on the lower surface. A distribution vehicle characterized in that a plurality of portions are provided on the lower surface of the tableware storage container so as to face the lower plate portion, and a sphere is interposed between the concave portion of the lower plate portion and the concave portion of the upper plate portion. 台車と食器収容庫とを油圧ダンパーで連結して成ることを特徴とする請求項1に記載の配膳車。   The trolley car according to claim 1, wherein the carriage and the tableware storage are connected by a hydraulic damper.
JP2006018206A 2006-01-26 2006-01-26 Food service cart Withdrawn JP2007195750A (en)

Priority Applications (1)

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JP2006018206A JP2007195750A (en) 2006-01-26 2006-01-26 Food service cart

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20110013A1 (en) * 2011-03-02 2012-09-03 Babuin Vasco S R L VIBRATION REDUCTION DEVICE, IN PARTICULAR FOR SOUND REPRODUCTION EQUIPMENT
WO2020071296A1 (en) 2018-10-05 2020-04-09 ソニー株式会社 Control device, control method, and program

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20110013A1 (en) * 2011-03-02 2012-09-03 Babuin Vasco S R L VIBRATION REDUCTION DEVICE, IN PARTICULAR FOR SOUND REPRODUCTION EQUIPMENT
WO2020071296A1 (en) 2018-10-05 2020-04-09 ソニー株式会社 Control device, control method, and program

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