JP2007215886A - Dishwasher/dryer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dishwasher/dryer including a washing tub which is taken in and out from an outer frame horizontally and has an opening provided on the upper side of the washing tub and for taking in and out dishes, the dishwasher/dryer allowing the washing tub and an inner lid to be easily closed thereby preventing leakage of washing water. <P>SOLUTION: The dishwasher/dryer is equipped with: the washing tub 2 provided on the upper side with the opening 4 for taking dishes in and out by being taken in and out from the outer frame 1 horizontally; the inner lid 6 provided on the inner side upper part of the outer frame 1 and for closing the opening 4; a rotary lever 10 provided on the side face upper part of the outer frame 1 and turnably supported by a rotary shaft 11; and a roller 12 separated from the rotary shaft 11 by a fixed distance, positioned above the edge part 13 of the inner lid 6 and provided on the rotary lever 10, wherein the roller 12 pushes the edge part 13 of the inner lid 6 while moving in a circular orbit by the turning of the rotary lever 10, so that the inner lid 6 is elevated and lowered. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a dishwasher for washing and drying dishes and the like.

  A conventional dishwasher / dryer of this type is a hollow packing positioned between a sealing top plate and the upper end of the washing tub, with an upwardly opened washing tub installed in the frame so as to be able to advance and retreat. The hollow packing is inflated with an air pump to seal the gap between the cleaning tank and the sealing top plate, thereby maintaining water tightness with the cleaning tank and cleaning so that the cleaning water does not leak (for example, patent Reference 1).

JP 2003-180605 A

  However, in the above-described prior art, the water seal between the cleaning tank and the inner lid requires an air pump that expands the hollow watertight seal. However, the hollow watertight seal repeatedly expands and contracts, so that it is durable and airtight. Since a watertight seal excellent in properties is used, it becomes expensive.

  Furthermore, it is necessary to prevent the washing tank from being pulled out (child lock) during washing and operation.Therefore, it is necessary to hold the hollow watertight seal at a constant pressure during this period, while constantly detecting the pressure. Since the water tightness must be maintained, the configuration becomes complicated and expensive.

  An object of this invention is to provide the dishwasher which can perform a watertight seal | sticker simply and cheaply, without using a hollow watertight seal | sticker, an air pump, and a pressure detection apparatus in view of said problem.

  The present invention has been made in order to solve the above-mentioned problems. In claim 1, a washing tub that is horizontally taken in and out of an outer frame and has an opening for taking in and out of dishes is provided on the upper side, and the outer tub. An inner lid that is provided on the inner upper side of the frame and closes the opening; a rotary lever that is provided on a side surface of the outer frame and is rotatably supported by the rotary shaft; and a predetermined distance away from the rotary shaft; A roller provided on the rotating lever and positioned above the edge of the inner lid, and the inner lid by pushing the edge of the inner lid while the roller moves in a circular orbit by the rotation of the rotating lever Is raised and lowered.

  According to a second aspect of the present invention, the rotating lever is rotated, and the roller is stopped at a position where the lowermost point or the lowermost point is exceeded and held, and the state where the inner lid is pushed down is held. is there.

  According to a third aspect of the present invention, a holding plate is provided above the edge of the inner lid, the roller is provided below the holding plate and above the edge of the inner lid, and the roller pushes up the holding plate to Is to raise.

  According to a fourth aspect of the present invention, the rotary lever reciprocates within a specified angle range with respect to the up / down operation range of the inner lid.

  According to a fifth aspect of the present invention, a plurality of the rotation levers are provided on both the left and right side surfaces of the inner lid, and drive arms are provided on both the left and right side surfaces, the rotation levers are connected to the drive arms, and the drive arms are synchronized. For this purpose, the drive arm is connected by a left and right connecting arm.

  According to a sixth aspect of the present invention, the drive arm operates while drawing a circular orbit synchronized with the rotary lever.

  According to a seventh aspect of the present invention, the left and right connecting arms are provided with a driving shaft fixed to the left and right side surfaces of the outer frame, and a driving motor having a motor cam is provided below the driving shaft, and the left and right connecting arms and the motor cam are connected to the vertical connecting arms. It is connected by.

  According to an eighth aspect of the present invention, the diameter of the rotation path drawn by the coupling portion of the motor cam and the upper and lower connecting arms by the rotation operation of the drive motor is made equal to the operating distance of the rotation lever.

  According to a ninth aspect of the present invention, the left and right connecting arms having drive shafts are reciprocated within a specified angle range in the vertical direction, and the reciprocating operation is provided to be equal to the working distance and working angle of the rotary lever. It is.

  According to a tenth aspect of the present invention, the direction of rotation of the left and right connecting arms during the raising operation of the inner lid is the same as the direction of rotation of the drive motor located below.

  In the eleventh aspect, at the position where the motor cam is at the top dead center, the motor cam and the upper and lower connecting arms are in a straight line, and the roller provided on the rotating lever is at the lowest point or the position beyond the lowest point. The inner lid is pushed down.

  According to a twelfth aspect of the invention, at the position where the motor cam is at the bottom dead center, the motor cam and the upper and lower connecting arms overlap in a straight line, and a roller provided on the rotating lever pushes up the holding plate to open the inner lid. It will be in the state.

  According to a thirteenth aspect of the present invention, there is provided vertical movement guide means for guiding the vertical movement while restricting the movement of the inner lid in the horizontal direction.

  In addition, in claim 14, a washing tub that is horizontally put in and out of the outer frame and has an opening for taking in and out of tableware provided on the upper side, and an inner lid that is provided on the inner upper side of the outer frame and closes the opening In the dishwasher configured to raise and lower the inner lid up and down, the inner lid or the washing tub is provided with a convex portion, and the concave portion corresponding to the convex portion is provided in the washing tub or inner lid. When the inner lid is lowered, the inner lid and the cleaning tank are engaged by the convex portion and the concave portion.

  Further, in claim 15, a washing tub that is horizontally taken in and out of the outer frame and is provided with an opening for taking in and out of tableware on the upper side, and an inner lid that is provided on the inner upper side of the outer frame and closes the opening And having a watertight seal interposed between the periphery of the opening and the inner lid.

  The dishwasher of the present invention lowers the inner lid by rotating the rotating lever and abuts against the washing tank and closes the opening of the washing tank, so that a hollow watertight seal that expands / shrinks, an air pump, pressure detection Since an apparatus or the like is not necessary, a dishwasher having a simple structure and an inexpensive price can be provided.

  An embodiment of the present invention will be described below with reference to FIGS.

  A cleaning tank 2 is accommodated in the outer frame 1 so as to be freely put in and out in the horizontal direction. The cleaning tank 2 is supported by a traverse moving rail 3 provided on both inner bottom sides of the outer frame 1 so as to be traversable.

  The washing tank 2 has an opening 4 on the upper side through which tableware is taken in and out. The front panel 5 provided on the front surface of the washing tub 2 is provided with operation buttons 23 for operating the washing and drying operation, control means (not shown) for controlling the operation of the dishwasher and the like.

  An inner lid 6 is provided on the inner upper side of the outer frame 1. The inner lid 6 has a watertight seal 7 provided in an annular shape on the lower side. When the inner lid 6 is combined with the cleaning tank 2, the opening 4 is closed by the watertight seal 7 interposed between the peripheral edge of the opening 4 and the inner lid 6.

  The inner lid 6 is supported by the vertical movement guide means 9 via mounting brackets 8 provided on both side surfaces of the inner lid 6. The vertical movement guide means 9 is supported inside the outer frame 1 and is movable only in the vertical direction within a range defined by the inner lid 6.

  A plurality of rotating levers 10 are provided on the inner upper side of the outer frame 1. The rotating lever 10 is rotatably held by a rotating shaft 11 supported on the inner side of the left and right side surfaces of the outer frame 1.

  The rotary lever 10 has a roller 12 at a position away from the rotary shaft 11, and the roller 12 moves while drawing a circular orbit by the rotation of the rotary lever 10 around the rotary shaft 11, and the edge of the inner lid 6. It is set as the structure which raises / lowers the inner cover 6 by pushing a part.

  A holding plate 14 is provided above the edge 13 of the inner lid 6, and the roller 12 is provided between the edge 13 of the inner lid 6 and the holding plate 14. The rotating shaft 11 is provided so as to be positioned above the inner lid 6.

  The inner lid 6 comes into contact with the roller 12 by the rotation of the rotary lever 10. The inner lid 6 moves when the roller 12 still moves while contacting. At that time, the inner lid 6 moves only up and down along the up-and-down movement guide means 9 while the left-right movement is restricted.

  When sealing with water, the rotary lever 10 is rotated, the roller 12 is moved while being applied to the edge 13 of the inner lid 6, and the rotary lever 10 is stopped at a position exceeding the lowest point or the lowest point. Hold. Thereby, watertightness can be maintained by maintaining the state in which the inner lid 6 closes the opening 4 of the cleaning tank 2.

  When the inner lid 6 is raised, the rotary lever 10 is rotated, and the roller 12 is moved while being applied to the holding plate 14, and is stopped and held at a position rotated 90 degrees from the lowest point. Accordingly, the cleaning tank 2 can be pulled out by maintaining the state in which the inner lid 6 opens the opening 4 of the cleaning tank 2.

  The rotary lever 10 is normally held at either the water-sealed position by the lowest point of the roller 12 or the open position moved 90 degrees from the lowest point. Therefore, the vertical movement of the inner lid 6 is performed in this range, and the rotary lever 10 is reciprocating in the range of 90 degrees.

  A plurality of rotating levers 10 are provided on both the left and right sides of the outer frame 1 as described above. In order to match these operations, the following configuration is adopted.

  The drive arms 15 are provided on the left and right side surfaces, the plurality of rotary levers 10 are connected to the left and right drive arms 15, and the left and right drive arms 15 are connected to the rear by the left and right connection arms 16, thereby A configuration is adopted in which all operations are matched.

  Accordingly, the drive arm 15 operates while drawing a circular orbit synchronized with the rotary lever 10.

  The drive means for driving the rotary lever 10 has the following configuration.

  The left and right connecting arms 16 are rotatably held by drive shafts 17 supported on the inner sides of the left and right side surfaces of the outer frame 1.

  A drive motor 18 is provided below the left and right connecting arms 16, and a motor cam 19 is provided on the drive motor 18. The left and right connecting arms 16 and the motor cam 19 are linked by the upper and lower connecting arms 20.

  The motor cam 19 is provided in a substantially elliptical shape, and is provided so that the diameter x1 of the rotation track at the joint between the rotation shaft of the drive motor 18 and the upper and lower connecting arms 20 is equal to the operating distance x2 of the rotary lever 10.

  The operation of the left and right connecting arms 16 is in the vertical direction, and the reciprocating operation is performed in the range of 90 degrees equal to the operating distance x2 of the rotating lever 10, and the reciprocating operation of the left and right connecting arms 16 is the operating distance x2 and operating of the rotating lever 10 The angle is set to be equal to 90 degrees.

  The operation range of the motor cam 19 is the same as that of the drive motor 18 and rotates 360 degrees only in one direction.

  When sealing with water, the motor cam 19 is stopped and held at a position where the top dead center is reached. At that time, the upper and lower connecting arms 20 are held in series with the motor cam 19 in a straight line by the link operation. In addition, the roller 12 provided on the rotary lever 10 stops at a lowermost point or a position beyond the lowermost point and is held, and the inner lid 6 holds the state where the opening 4 of the cleaning tank 2 is closed. Can keep watertight.

  When the inner lid 6 is raised, the motor cam 19 is stopped and held at a position where the bottom dead center is reached. At that time, the upper and lower connecting arms 20 are overlapped and held in a straight line with the motor cam 19 by the link operation. Further, the roller 12 provided on the rotating lever 10 pushes up the holding plate 14 and holds the state where the inner lid 6 opens the opening 4 of the cleaning tank 2, whereby the cleaning tank 2 can be pulled out.

  Thus, the operation range of each part in the raising / lowering operation of the inner lid 6 is such that the rotary lever 10 and the left and right connecting arms 16 are reciprocated by 90 degrees, and the motor cam 19 performs a unidirectional rotating operation every 180 degrees. By linking the operations and holding at the top dead center and the bottom dead center, the inner lid 6 can be held by applying a force more efficiently.

  The drive motor 18 is provided so as to rotate in the same direction as the rotational direction in which the left and right connecting arms 16 operate when the inner lid 6 is lifted (opened). Thus, when the cleaning layer 2 is to be pulled out in the water-sealed state, the operation of lifting the inner lid 6, that is, the operation of rotating the rotating lever 10 (right rotation) is transmitted to the left and right connecting arms 16 and is in the same direction (right rotation). The upper and lower connecting arms 20 are pushed in the opposite direction (left rotation). At that time, the motor cam 19 is located at the top dead center, and receives a force in the left rotation direction as with the upper and lower connecting arms 20. However, the drive motor 18 can rotate only in the right direction, ie, the right direction, and cannot rotate in the opposite direction and locks. Therefore, since the inner lid 6 cannot be easily raised, the cleaning tank 2 cannot be pulled out easily due to frictional resistance. When the left and right connecting arms 16 are about to rotate in the clockwise direction, a force is applied to the motor cam 19 via the upper and lower connecting arms 20, and the driving motor 18 rotates when the driving motor 18 receives a force in the clockwise direction. As a result, the inner lid 6 rises. In this case, if the motor cam 19 is stopped at a position one step before the top dead center, the driving motor 18 is surely applied with a force in the counterclockwise direction. The inner lid 6 can be prevented from rising by being locked without being rotated.

  Further, a convex portion 21 is provided in the cleaning tank 2, and a concave portion 22 is provided in the inner lid 6 at a position corresponding to the convex portion 21 of the cleaning tank 2 when the inner lid 6 is lowered (at the time of water sealing). By engaging the convex portion 21 and the concave portion 22 of the inner lid 6, it can be used as a stopper when the inner lid 6 is about to be pulled out (at the time of water sealing), and can be used as a stopper during operation. 2 can not be pulled out. In addition, you may make it provide a recessed part in the washing tank 2 side, and a convex part in the corresponding inner lid 6 side.

  With the above-described configuration, it is possible to provide a dishwasher that has a simple structure and can perform a watertight seal at a low cost without using an expensive air pump or pressure detection device.

It is a perspective view of the dishwasher which shows one Example of this invention. It is the longitudinal cross-sectional view similarly seen from the front. It is a longitudinal cross-sectional view which similarly shows the related structure of a watertight seal. It is an internal perspective view except the exterior similarly. It is a perspective view of a rotation lever part similarly. It is a longitudinal cross-sectional view of the rotation lever part at the time of an inner cover downward movement similarly. It is a longitudinal section of a rotation lever part at the time of an inner lid raising operation similarly. It is a side view which similarly shows the rotation range of a rotation lever. It is a side view which similarly shows the link mechanism part by a drive arm. It is a side view explaining operation | movement of the link mechanism by a drive motor similarly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Outer frame, 2 ... Cleaning tank, 4 ... Opening, 6 ... Inner lid, 7 ... Watertight seal, 9 ... Vertical movement guide means, 10 ... Rotating lever, 11 ... Rotating shaft, 12 ... Roller, 13 ... Edge, DESCRIPTION OF SYMBOLS 14 ... Holding plate, 15 Drive arm, 16 ... Left and right connection arm, 17 ... Drive shaft, 18 ... Drive motor, 19 ... Motor cam, 20 ... Vertical connection arm, 21 ... Convex part, 22 ... Concave part

Claims (15)

  A washing tub horizontally placed in and out of the outer frame and provided with an opening for taking in and out tableware on the upper side, an inner lid provided on the inner upper side of the outer frame and closing the opening, and the outer frame A rotation lever provided above the side surface and rotatably supported by the rotation shaft; and a roller provided on the rotation lever that is spaced apart from the rotation shaft by a certain distance and above the edge of the inner lid. A dishwasher characterized in that the inner lid is moved up and down by pushing the edge of the inner lid while the roller moves in a circular orbit by the rotation of the rotating lever.   2. The rotating lever is rotated, and the rotating lever is stopped and held at a position where the roller is at the lowest point or beyond the lowest point, and the state in which the inner lid is pushed down is held. The dishwasher described.   A holding plate is provided above the edge of the inner lid, the roller is provided below the holding plate and above the edge of the inner lid, and the roller raises the inner lid by pushing up the holding plate. The dishwasher according to claim 1.   2. The dishwasher according to claim 1, wherein the rotary lever reciprocates within a range of a specified angle with respect to a lifting / lowering operation range of the inner lid.   A plurality of rotating levers are provided on both the left and right side surfaces of the inner lid, and driving arms are provided on both the left and right side surfaces. The rotating levers are connected to the driving arms, and left and right connecting arms are used to synchronize the driving arms. 2. The dishwasher according to claim 1, wherein the drive arm is coupled.   The dishwasher according to claim 5, wherein the driving arm operates while drawing a circular orbit synchronized with the rotating lever.   A drive shaft fixed to the left and right side surfaces of the outer frame is provided on the left and right connection arms, and a drive motor having a motor cam is provided below the drive shaft, and the left and right connection arms and the motor cam are connected by a vertical connection arm. 6. The dishwasher according to claim 5, wherein   8. The dishwasher according to claim 7, wherein a diameter of a rotating track drawn by a coupling portion between the motor cam and the upper and lower connecting arms is made equal to an operating distance of the rotating lever by a rotating operation of the driving motor. .   The left and right connecting arms having a drive shaft reciprocate within a specified angle range in the vertical direction, and the reciprocating operation is provided to be equal to the working distance and working angle of the rotary lever. 7. The dishwasher according to 7.   8. The dishwasher according to claim 7, wherein the rotation direction of the left and right connecting arms during the ascending operation of the inner lid is the same as the rotation direction of the drive motor positioned below the left and right connecting arms.   At the position where the motor cam is at the top dead center, the motor cam and the upper and lower connecting arms are in a straight line, and the roller provided on the rotating lever is at the lowest point or beyond the lowest point, and the inner lid is pushed down. The dishwasher according to claim 7, wherein the dishwasher is in a dry state.   At a position where the motor cam is at the bottom dead center, the motor cam and the upper and lower connecting arms overlap in a straight line, and a roller provided on the rotating lever pushes up the holding plate to open the inner lid. 8. A dishwasher according to claim 7, wherein   8. A dishwasher according to claim 1, further comprising vertical movement guide means for guiding vertical movement while restricting movement of the inner lid in the horizontal direction.   A washing tub horizontally placed in and out of the outer frame and having an opening for taking in and out of tableware provided on the upper side; an inner lid provided on the inner upper side of the outer frame and closing the opening; In the dishwasher configured to move the inner lid up and down, the inner lid or the washing tub is provided with a convex portion, and the concave portion corresponding to the convex portion is provided in the washing tub or the inner lid. A dishwasher characterized in that an inner lid and a washing tank are engaged by a convex part and a concave part. A washing tub horizontally placed in and out of the outer frame and having an opening for taking in and out of tableware provided on the upper side; an inner lid provided on the inner upper side of the outer frame and closing the opening; A dishwasher configured to raise and lower an inner lid up and down, wherein the dishwasher has a watertight seal interposed between a peripheral edge of the opening and the inner lid.

Images