JP2006192047A - Lifting/lowering cabinet with door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lifting/lowering cabinet with a door facilitating the attachment of a door to an outer box even if a user attaches it thereto alone and having high work efficiency. <P>SOLUTION: This lifting/lowering cabinet with the door has a pair of door opening/closing arms projecting forward from the front face of the outer box when a door opening/closing mechanism lowers and exposes an inner box, The vicinity of the end of the door opening/closing arm is provided with engagement part engaged with engagement part provided on the inner surface of the door, and the engagement of the engagement part enables a temporary retaining of the door to the outer box. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a lift cabinet with a door, and more particularly to a lift cabinet with a door having an improved door opening / closing mechanism.

  Conventionally, as this type of elevator cabinet with a door, an inner box is provided in an outer box provided with a door so that it can be raised and lowered by a motor, and when the inner box is lowered, the front of the inner box can be exposed from the outer box as a whole. It is known that the door which covers the front of the inner box when the inner box is raised and stored can be rotated in the front-rear direction with the upper end as a fulcrum via a hinge connected to the outer box. Yes.

  With such a configuration, means for preventing the danger of interference between the door and the stored item in the forward projecting state when the inner box is raised and lowered is necessary. For example, when applied to a tableware dryer, if the inner box is raised while the opening of the door is insufficient and the tableware stored in the inner box is protruding forward, the tableware will hit the door and break. There is danger.

  Therefore, the outer box has a door that covers the front surface of the inner box when the inner box is raised and stored, and the door can be rotated in the front-rear direction with the upper end as a fulcrum through a hinge connected to the outer box. In addition, the door and the inner box are connected by a link made up of a plurality of arms, and the door can be rotated in the closing direction when the inner box is raised and lowered, and in the opening direction when lowered, the link. Has proposed a lifting cabinet with a door configured to stop the door at the maximum opening angle position in the middle of the rising stroke of the inner box (Patent Document 1).

However, although the thing of patent document 1 is attached with a screw etc. so that a door can rotate via the hinge connected with the outer box, when installing this door, the large door in which a door width exceeds 60 cm is installed. It was difficult for a contractor to support the door alone and attach it to the outer box installed at a high place, and the door was attached by two people, so workability was poor.
JP 2002-95534 A

  The present invention has been made in consideration of the above-described circumstances, and it is an object of the present invention to provide a lift cabinet with a door that can be easily attached to the outer box of a door and has good workability.

  In order to achieve the above-described object, a lifting cabinet with a door according to the present invention includes an outer box, an inner box that is accommodated in the outer box so as to be able to be lifted and lowered, and a front surface is exposed from the outer box when lowered. The elevating mechanism includes a motor and a flexible elevating member that is actuated by the motor and suspends the inner box, and a part of the outer box. A door that covers the whole or a part of the front surface of the box; and a process of responding to the raising and lowering of the inner box and closing the door in the raised storage state of the inner box. The door opening and closing mechanism has a pair of door opening and closing arms that protrude forward from the front surface of the outer box when the inner box is lowered. In the vicinity of the tip of the door, there is a lock provided on the inner surface of the door. Engaging portion engaged is provided in the part, characterized by engagement of the engaging portion that allows the temporary holding to the outer box of the door.

  Preferably, at the time of temporarily holding the door, the lower end of the door opening / closing arm contacts the inner surface of the door to prevent the door from rotating.

  Preferably, the engaging portion provided on the door is a locking pin, the engaging portion provided on the door opening / closing arm opens upward, and an opening through which the locking pin passes. It consists of a pin engaging hole that is continuous with the opening and engages with the locking pin.

  Preferably, the door opening / closing arm is provided with a door holder for closing the opening.

  Preferably, the door holder is slidably engaged with a sliding groove provided in the door opening and closing arm, and an opening through which the locking pin is passed is provided at the opening. It has a pin accommodating part which accommodates the said locking pin in series and makes a substantially fan shape.

  Preferably, the door holder is made of a synthetic resin having elasticity and slipperiness, and is interposed between an engaging portion provided in the outer box and an engaging portion provided in the door opening / closing arm.

  Preferably, the opening of the engaging portion provided in the arm opens upward when the door is opened, opens forward when the door is closed, and is always locked by the peripheral wall of the pin engaging hole. The door is supported via a pin.

  According to the elevating cabinet with a door according to the present invention, even a single person can easily attach the door to the outer box and can provide the elevating cabinet with the door with good workability.

  Hereinafter, an embodiment of a lifting cabinet with a door according to the present invention will be described with reference to the accompanying drawings. In addition, this embodiment is applied as a ceiling-mounted elevating tableware storage cabinet in a system kitchen.

  FIG. 1 is a front view showing the entire configuration of the state in which the inner box of the elevating tableware storage cabinet is lowered, FIG. 2 is a side sectional view thereof, and FIG. 3 is a diagram of the elevating type cupboard in which the inner box is stored. It is a front view and FIG. 4 is the sectional side view.

  As shown in FIGS. 1 to 4, an elevating tableware storage cabinet 1 according to an embodiment of the present invention is housed in an outer box 2 and the outer box 2 so as to be movable up and down. An inner box 3 that is exposed as a whole, an elevating mechanism 4 including a motor 4a and a flexible elevating member that is actuated by the motor 4a and suspends the inner box 3, for example, a belt 4b; A door 5 that constitutes a part of the box 2 and covers the entire front surface of the inner box 3 when the inner box 3 is raised and stored, and a door opening / closing mechanism 6 that opens and closes the door 5 are provided.

  The outer box 2 is composed of a top plate 2a, a front plate 2b, both side plates 2c, a back plate 2d, and the like. A component supporting frame 7 is provided on the inner surface (lower surface) of the top plate 2a.

The door 5 is provided below the front plate 2b of the outer box 2, and as will be described in detail later, the door opening / closing mechanism 6 raises the lower end 5a of the door 5 while keeping the door 5 in a vertical state. To be moved. The lower end of the front plate 2b of the outer box 2 and the upper end of the door 5 are provided with inclined surfaces 2b ₁ and 5b that rise to the left, and even if there is a slight gap with the door 5 closed, The doors 5 are overlapped, making it difficult to see the inside of the inner box 3 and improving the appearance.

  The inner box 3 constitutes a tableware storage cabinet body, and has an upper plate 3a, a lower plate 3b, both side plates 3c, and a back plate 3d. 8. The dimension between the outer surfaces of the both side plates 3c of the inner box 3 is set slightly smaller than the dimension between the inner surfaces of the both side plates 2c of the outer box 2, and each of the side plates 2c, 3c has a vertically narrow side. A space 9 is formed. In addition, the height of the inner box 3 is sufficiently smaller than the outer box 2, and an equipment space is formed above the inner box 3.

  The inner box 3 is supported by the outer box 2 so as to be lifted and lowered by the lifting mechanism 4. The lifting mechanism 4 includes a motor 4a and a flexible lifting member, for example, a belt 4b, which is actuated by the motor 4a and suspends the inner box 3, as described above. The motor 4a is attached to the frame 7 of the outer box 2, A winding drum 4d is connected to the motor 4a via a power transmission mechanism 4c such as a gear. Further, a belt 4b is wound around the drum 4d, a belt roller 4e for guiding the belt 4b downward, and an inner box 3 A lifting roller 4g for lifting the inner box supported by the upper plate 3a via a bracket 4f and a fastening tool 4h for fastening the end of the belt 4b with the frame 7 are provided.

  The elevating mechanism 4 has, for example, two belts 4b, and the belts 4b lift the left and right portions of the inner box 3. Each belt 4b is simultaneously wound on one take-up drum 4d, whereby the inner box 3 can be moved up and down in a constant posture at all times. In addition, the slider 10 is provided in the outer surface part of the both-sides board 3c of the inner box 3, and this slider 10 is guided to the guide rail 11 provided in the outer box 2, and the attitude | position at the time of raising / lowering of the inner box 3 is ensured. Can be stabilized.

  In addition, an operation lever (not shown) for operating an input switch for operating up and down is provided on the lower front surface of the inner box 3, and when the operation lever is moved downward, the motor 4a is operated via the control device. When the winding drum 4d is rotated, the inner box 3 is lowered, and when the operation lever is moved upward, the inner box 3 is raised.

As shown in FIGS. 4 and 5, the door opening / closing mechanism 6 is provided as a pair between the outer box 2 and the inner box 3, and includes an operating arm mechanism 61 and an opening / closing arm mechanism 62. The operating arm mechanism 61 moves up and down. An operation member, for example, an operation roller 61a attached to the side plate 3c of the inner box 3, and the operation roller 61a are brought into contact with the operation roller 61a in an unconstrained state so that the first inflection point p ₁ and the second inflection point p ₂ are A non-linear actuating side surface 61b ₁ having an actuating arm 61b pivotally supported by the outer box 2 near one end and rotated by an actuating roller 61a via the actuating side surface 61b ₁ ; further, one end of the actuating arm 61b is spring 61b ₄ is mounted for urging the counterclockwise direction in the drawing, a linear guide groove 61b ₅ is provided in the vicinity of the other end portion.

Therefore, the actuator roller 61a is in accordance with the elevation of the inner box 3, presses the inclined portion 61b ₂ of the actuating side portion 61b _1, by rotating the actuating arm 61b, the inflection point _{p 2} points in the vicinity of the end portion from the _{p 3} without rotating the actuating arm 61b in the vertical portion 61b ₃ between, keeping the rotation angle. By providing a spring 61b _4, actuating arm 61b is biased in the counterclockwise direction, since the door 5 is held in the closed state, even if the inner box 3 vibrates due to an earthquake, tableware door 5 The movement is suppressed, and it does not fall and is safe.

  The opening / closing arm mechanism 62 includes a pair of first door opening / closing arms 62a and a pair of linear second door opening / closing arms 62b.

The first door opening / closing arm 62 a has a first end pivotally supported by the outer box 2, and a second end provided at an engagement portion 5 c provided on the door 5 and a second end. pivotally supported by engaging the engaging portion 62a _1, further, the third end portion guide pin 62a ₃ is provided, engaging the guide pins 62a ₂ into the guide grooves 61b ₅ of the working arm 61b As a result, the first door opening / closing arm 62a and the operating arm 61b are connected.

As shown in FIGS. 6 and 7, the engaging portion 62a1 of the _first door opening / closing arm 62a is provided in the vicinity of the second end so as to open upward and through which a locking pin 5c ₂ described later passes. Part 62a ₂ and a pin engaging hole 62a _{3 which} is connected to the opening 62a ₂ and engages with the locking pin 5c ₂ , and the engaging part 5c of the door 5 is a pair of erected on the door 5 The supporting member 5c is bridged between ₁ and includes a locking pin 5c ₂ having a diameter of 4 mm as shown in FIGS. Furthermore, the first door closing arm 62a, and the door holder 62a ₄ is attached, the holder member 62a shown in the door holder 62a ₄ includes two 10 of synthetic resin having elasticity and lubricity _5a, consists holder member _{62a 5b} shown in FIG. 11, almost fan-shaped that is contiguous locking pin 5c ₂ on the holder opening 62a6 and the holder opening 62a6 to 3mm width shown in FIG. 8 engages at its distal end A pin loose-fitting hole 62a ₆ is provided, and a first door opening / closing arm 62a is sandwiched between door holders 62a ₄ including two holder members 62a _5a and 62a _5b , and the first door opening / closing arm 62a is formed. by welding through the sliding long groove 62a ₇ that is, the door Horuda 62a ₄ is mounted slidably along a first door opening and closing arm 62a.

As shown in FIGS. 8 and 9, therefore, the temporary holding or holding of the door 5 in the outer box is performed by using the locking pin 5 c ₂ provided in the engaging portion 5 c of the door 5 through the opening 62 a _2. It engages the pin engaging holes 62a ₃ are performed. Thus, by engaging the locking pin 5c ₂ on the pin engaging holes 62a _3, temporary holding can be easily door 5. Thereafter, the door holder 62a ₄ is slid along the first door closing arm 62a, by utilizing the elasticity of the door holder 62a _4, forced through the locking pin 5c ₂ on the holder opening 62A6, It is accommodated in the pin loose-fitting hole 62a ₆ and the opening 62a ₂ is closed by the peripheral wall of the pin loose-fitting hole 62a _{6 so} that the locking pin 5c ₂ is prevented from coming off from the pin engaging hole 62a _3. . Not Kakekara load door 5 to the door holder 62a ₄ because the locking pin 5c ₂ is loosely fitted to the pin loosely fitted holes 62a _6, thereby improving the durability of the door holder 62a _4. Further, as shown in FIG. 7, this time, since the door holder 62a ₄ having lubricity between a pair of supporting members 5c ₁ and the first door closing arm 62a is interposed, supporting member 5c ₁ and the first Lubrication between the door opening / closing arms 62a is improved, and the door 5 can be opened and closed smoothly.

As shown in FIG. 12, the second door opening / closing arm 62b has one end pivotally supported by the outer box 2, and is similar to the engaging portion 62a1 of the _first door opening / closing arm 62a shown in FIG. In the vicinity of the other end, an engaging portion 62b ₁ that engages with an engaging portion 5c provided on the inner surface of the door 5 is provided, and the outer box of the door 5 is engaged by the engagement of these engaging portions 5c and 62b ₁ . 2 is possible.

The engaging portion 62b ₁ includes an opening 62b ₂ through which the locking pin 5c ₂ is passed and a pin engaging hole 62b _3. The engaging portion 5d of the door 5 is a pair of support members provided upright on the door 5. consists Hashi設by locking pin 5d ₂ between member 5d _1. Further, the second door closing arm 62b, and the door holder 62b ₄ similar to the door holder 62a ₄ structure is mounted, the door holder 62b ₄ along the second door closing arm 62b slides It is attached as possible.

Accordingly, as shown in FIGS. 4 and 5, the first door opening / closing arm 62a, the second door opening / closing arm 62b, and the length (distance) between the shaft support positions and the doors, which are pivotally supported by the outer box 2, are used. The forber linkage is formed with a length (distance) between the five shaft support positions. As a result, the first door opening / closing arm 62a is rotated through the guide groove 61b ₅ and the guide pin 62a ₂ as the operating arm 61b rotates, and the door 5 remains in a vertical state by the forver linkage. It is designed to rotate by a predetermined angle. By providing the guide groove 61b _{5 in} which the guide pin 62a ₂ is movable, the door 5 can be pressed against the opening of the outer box 2.

  Next, the raising / lowering operation | movement of the raising / lowering type tableware storage cabinet 1 is demonstrated.

  As shown in FIG. 13, the user lowers the inner box 3 accommodated in the outer box 2 and puts the inner box 3 out of the outer box 2 in order to take in and out tableware. Let The lowering of the inner box 3 is performed mainly by the weight of the inner box 3 by driving the motor 4a via the operation lever and the control device, rotating the winding drum 4d, and feeding out the belt 4b.

With the descent of the inner box 3 is attached to the side plate 3c of the inner box 3, also drops actuator roller 61a which is in contact with the inflection point p ₁ of the working arm 61b, inclined until reaching the inflection point p ₂ while the parts 61a ₂ are in contact, the actuator roller 61a causes the figure rotates in the clockwise direction against the actuating arm 61b of the spring 61b _4.

  As the operating arm 61b rotates, the opening / closing arm mechanism 62 moves in a forver linkage, and the first door opening / closing arm 62a and the second door opening / closing arm 62b are centered on a fulcrum attached to the outer box 2. The door 5 is moved (turned) while maintaining a vertical state, and the lower end 5a is moved upward.

Furthermore, although the inner box 3 drops, the vertical portion 61b ₃ between the points _{p 3} near the end of the inflection point _{p 2} is the operating arm 61b, but the actuator roller 61a is in contact with the actuating arm 61b, This further without pressing in the clockwise direction, rather than the rotation of the rotating or more actuating arm 61b in between the inclined portion 61b _2, therefore, no rotation of the closing arm mechanism 62, the door 5 is actuated when the roller 61a is in the inflection point p _2, it keeps the open state.

Thus, when the inner box 3 is lowered to the middle of the entire lowering range, for example, to 1/3, the door 5 is in the fully opened state, so that the tableware on the receiver 8 moves the inner box 3 to the lowest end. It can be taken in and out without being lowered. When actuator roller 61a reaches the point p _3, descent of the inner box 3 is completed, the inner box 3 the front surface is entirely exposed from the outer box 2. In this way, with the door 5 being slightly inclined and the lower end portion 5a of the door 5 being raised, the user takes in and out the receiving tool 8 and tableware.

  After completion of taking in and out of the tableware, the motor 4a is again driven through the operation lever and the control device, the take-up drum 4d is rotated, the belt 4b is taken up, and the inner box 3 is raised.

In this ascending process, as indicated by a dotted line in FIG. 14, the operating roller 61 a that abuts at the point p _{1 of the} operating arm 61 b rises along the vertical portion 61 b ₃ as the inner box 3 rises. At this time, since the operating arm 61b is kept as it is, the opening / closing arm mechanism 62 is not operated, and the door 5 is also kept open. Therefore, the door 5 does not interfere with stored items such as tableware in the forward projecting state, it is possible to prevent danger, and since the operating roller 61a and the operating arm 61b are in contact with each other in an unconstrained state, the inner box Even when a stored item longer than 3 is stored, the open / close arm mechanism 62 and the door 5 are moved by the stored item and the interference is mitigated, which is safe.

Further, the inner is box 3 increases also the actuator roller 61a rises, when the actuator roller 61a is in between the inflection point p ₂ from the point p ₃ in the vicinity of the end portion, turn the actuating arm 61b in the counterclockwise direction Without being moved, the opening / closing arm mechanism 62 and the door 5 are not rotated, and the door 5 is kept open.

  In this way, when the inner box 3 rises to the middle of the entire ascending range, the tableware can be pushed inward even if it protrudes forward from the inner box 3.

The inner box 3 continues to rise, past the actuator roller 61a is elevated inflection point p _2, reaches the inclined portion 61a _2, operating arm 61b is rotated in the counterclockwise direction, the opening and closing arm mechanism 62 The door 5 is actuated and closed while rotating counterclockwise by its own weight, and when the inner box 3 is lifted and the inner box 3 is stored, the operating roller 61a is moved to the inflection point p1. The door 5 completely closes the opening and maintains this state.

Incidentally, as shown in FIGS. 2 and 4, openings 62b ₂ shown in FIG. 6 of the engaging portion 62b ₁ of the first door opening and closing arm 62a is open at the upwardly opening, when the door closed front Since the door 5 is always supported by the peripheral wall of the pin engagement hole via the locking pin, no load is applied to the door holder, and the durability of the door holder is improved.

  Furthermore, attachment of the elevating tableware storage cabinet 1 and the door 5 will be described.

  As shown in FIG. 15, one installation contractor raises the inner box 3 and lifts the liftable tableware storage cabinet 1 in a state where the door 5 is not attached, and uses an attachment member at the upper part of the side wall surface of the kitchen. And attach.

  The inner box 3 is lowered, and the first door opening / closing arm 62a is projected forward from the front surface of the outer box by the action of the operating arm mechanism 61.

As shown in FIGS. 8 and 16, the installer then holds the door 5 and holds the locking pin 5c ₂ provided on the engaging portion 5c of the door 5 of the first door opening / closing arm 62a. It engaged with the pin engaging hole 62a ₃ through the opening 62a ₂ of the engaging portion 62a _1, thereby provisionally retaining the door 5 to the first door closing arm 62a. At this time, as shown in FIG. 17, the lower end of the first door opening / closing arm 62a abuts against the inner surface of the door 5, and the rotation of the door 5 is prevented, so that temporary holding can be reliably performed. ing. In a condition in which the door 5 is temporarily held, as shown in FIG. 6, the door holder 62a ₄ along the first door closing arm 62a is slid, forcing the locking pin 5c ₂ on the holder opening 62a6 manner through, accommodates the pin loosely fitted holes 62a _6, the opening 62a ₂ closing by the peripheral wall of the pin loosely fitted holes 62a _6, so that the locking pin 5c ₂ is prevented from disengaging from the pin engaging hole 62a ₃ Thus, the door 5 is attached to the first door opening / closing arm 62a.

Following this, the attachment of the door 5 to the second door opening / closing arm 62b is the same as the attachment to the first door opening / closing arm 62a, and the locking pin provided in the engaging portion 5d of the door 5 5d ₂ is engaged with the pin engaging hole 62a ₃ via the opening 62a ₂ of the engaging portion 62a ₁ of the second door opening / closing arm 62b shown in FIG. is temporarily held in use arms 62b, closing the opening 62b ₂ by the peripheral wall of the pin loosely fitted holes 62b _7, the locking pin 5d ₂ is so as to prevent the outside from the pin engaging hole 62b _3, the door 5 2 is attached to the door opening / closing arm 62b.

In the process of attaching the door 5 to the outer box 2 as described above, the engaging portion engaging portion 62a ₁ provided on the first door opening / closing arm 62a and the engaging portion 5c provided on the door 5 are engaged. by, to provisionally hold the door 5 on the box 2, since so as to close an opening 62a ₂ by the peripheral wall of the pin loosely fitted holes 62a ₆ by the door holder 62a ₄ Thereafter, the kitchen side wall to the door with lifting cabinet 1 The attachment to the upper portion and the attachment of the door 5 to the outer box 2 can be easily and reliably performed by one installation contractor, and the installation workability is improved.

In the above embodiment, the engaging portion of the first door opening / closing arm and the second door opening / closing arm is composed of an opening and a pin engaging hole, and the door engaging portion is formed on the door. Although the example which consists of a locking pin bridged between a pair of standing support members has been described, on the contrary, as shown in FIG. 18 and FIG. The door opening / closing arm engaging portion 62 c ₁ has a locking pin 62 c 3 erected on the door opening / closing arm 62 c, and the door 5 engaging portion 5 e is a plate-like edge erected on the door 5. You may form in the engaging member 5e1 from the opening part 5e2 opened below, and the pin engaging hole 5e3 connected to this.

  According to the elevating tableware storage cabinet of this embodiment, even a single person can easily attach the door to the outer box, and an elevating cabinet with a door with good workability is realized.

The front view which shows the inner-box fall state of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The longitudinal cross-sectional view which shows the inner box fall state of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The front view which shows the inner case raising state of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The longitudinal cross-sectional view which shows the inner case raising state of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The top view of the door opening / closing mechanism used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The side view which shows the engagement state of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The top view which shows the engagement state of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The side view which shows the state before engagement of the door attachment engaging part used for the raising / lowering tableware storage cabinet which concerns on one Embodiment of this invention. The top view which shows the state before engagement of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The door holder used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention is shown, (a) is a side view, (b) is a top view, (c) is a side view, (d) is a front view. The door holder used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention is shown, (a) is a side view, (b) is a top view, (c) is a side view, (d) is a front view. The top view which shows the engagement state of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The longitudinal cross-sectional view which shows the descent | fall process of the inner box of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The front view which shows the raising process of the inner case of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The longitudinal cross-sectional view before the door installation state of the raising / lowering tableware storage cabinet which concerns on one Embodiment of this invention. The longitudinal cross-sectional view before the door installation state of the raising / lowering tableware storage cabinet which concerns on one Embodiment of this invention. The side view of the engaging part before the door attachment state of the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The side view of other embodiment of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention. The top view of other embodiment of the door attachment engaging part used for the raising / lowering type tableware storage cabinet which concerns on one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lifting type tableware storage cabinet 2 Outer box 3 Inner box 4 Lifting mechanism 5 Door 5c Engagement part 5c ₁ Support member 5c ₂ Locking pin 5d Engaging part 5d ₁ Supporting member 5d ₂ Locking pin 6 Door opening / closing mechanism 61 Actuating arm Mechanism 61a Actuating roller 61b Actuating arm 62 Opening / closing arm mechanism 62a First door opening / closing arm 62a ₁ engaging portion 62a ₂ opening 62a ₃ pin engaging hole 62a ₄ door holder 62a ₆ pin loose fitting hole 62a ₇ sliding long groove 62b Second door opening / closing arm 62b ₁ engaging portion 62b ₂ opening 62b ₃ pin engaging hole 62b ₄ door holder

Claims (7)

An outer box, an inner box which is accommodated in the outer box so as to be movable up and down, and whose front surface is exposed from the outer box when lowered, and which is moved up and down by a motor and operated by the motor. An elevating mechanism having a flexible elevating member for suspending, a part of the outer box, a door that covers the whole or a part of the front surface of the inner box when the inner box is raised and stored, and the inner box A door opening / closing mechanism that responds to ascending and descending, closes the door in the raised storage state of the inner box, and keeps the opened state in the lowering expression and raising process of the inner box. When the inner box is lowered, it has a pair of door opening / closing arms protruding forward from the front surface of the outer box, and an engagement portion provided on the inner surface of the door is provided near the tip of the door opening / closing arm. Engaging engagement parts are provided, and the engagement of these engaging parts causes the front of the door Door with lifting cabinet, characterized in that it made it possible to temporarily held to the outer box. 2. The lifting cabinet with a door according to claim 1, wherein when the door is temporarily held, a lower end of the door opening / closing arm abuts against an inner surface of the door to prevent the door from rotating. The engaging portion provided on the door is a locking pin, and the engaging portion provided on the door opening / closing arm opens upward and passes through the locking pin. The lifting cabinet with a door according to claim 2, comprising a pin engaging hole with which a stop pin is engaged. The door opening / closing cabinet according to claim 3, wherein the door opening / closing arm is provided with a door holder for closing the opening. The door holder is slidably engaged with a sliding groove provided in the door opening and closing arm, and an opening through which the locking pin is passed, and the locking pin connected to the opening. 5. The door lifting / lowering cabinet according to claim 4, further comprising a pin housing portion that is housed and substantially fan-shaped. The door holder is made of a synthetic resin having elasticity and slipperiness, and is interposed between an engaging portion provided in an outer box and an engaging portion provided in a door opening / closing arm. A lifting cabinet with a door according to 3 or 4. The opening of the engaging portion provided in the arm opens upward when the door is opened, opens forward when the door is closed, and the door is always opened via the locking pin by the peripheral wall of the pin engaging hole. The lifting cabinet with a door according to any one of claims 3 to 6, wherein the lifting cabinet is supported.

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