JP2004337634A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate a trouble in use by automatically interlocking and opening a plurality of door bodies and to improve usability by eliminating malfunction due to an excessive opening speed in opening/closing the door bodies in a dishwasher washing dishes and the like by jetting of wash water. <P>SOLUTION: This dishwasher is so constituted that an upper door body 16 and a lower door body 17 are associated with each other with an association link 25; and is provided with a first spring 33 energizing the lower door body 17 in the opening direction in a state where the upper door body 16 and the lower door body 17 are closed, and a third spring 36 reducing the opening speed of the upper door body 16 and the lower door body 17. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a dishwasher for washing dishes and the like by spraying washing water.

  Conventionally, this type of dishwasher has been configured as shown in FIG. 3 or FIG. Hereinafter, the configuration will be described.

  As shown in FIG. 3, the door 1 is attached to the lower part of the dishwasher main body 3 around the door axis 2 so as to be openable and closable, and covers the front opening of the dishwasher main body 3. 1 is provided with a handle portion 4 for grasping when opening and closing, and a lock means 6 which is released by a switch 5, so that it can be fixed in a closed state.

  In addition, the lock means 6 is configured to interlock with the input function of the operation of the dishwasher so as not to operate when the door 1 is not completely closed, and even when the door 1 is opened during operation. In addition, care has been taken to prevent washing water from spilling out of the dishwasher. The dishwasher main body 3 has a washing tank 7 provided therein, and the washing tank 7 has a dish basket 8 arranged therein (for example, see Patent Document 1).

  Since the basic operation of the dishwasher is generally well-known, the user simply releases the locking means 6 with the switch 5 and then holds the handle 4 to hold the door 1. Is opened, and dirty dishes are set in a dish basket 8 arranged in a washing tank 7 in the dishwasher body 3.

  Next, when the door body 1 is closed and the locking means 6 is operated to start the operation, the washing water is heated by the heater arranged at the bottom of the washing tank 7 and sprayed from the washing nozzle toward the dishes 10. Perform a washing process to remove stains on tableware. Then, after rinsing the dishes, a drying process for drying is performed, and the operation is terminated.

FIG. 4 shows another dishwasher. This is a configuration in which two doors 10a and 10b provided in the dishwasher main body 9 are rotated in the vertical direction to open and close the opening of the washing tank 11, and the doors 10a, 10b is connected. Therefore, when the door 10a is opened with the door 10a held, the other door 10b is also opened at the same time. This dishwasher also performs the basic operation described above (for example, see Patent Document 2).
JP-A-9-276203 JP-A-50-26356

  In such a conventional configuration, in the configuration shown in FIG. 3, the operation of the locking means 6 and the handle portion 4 for opening the door 1 are usually provided separately, and when the door 1 is opened, It is necessary to release the lock means 6 by the switch 5 and to re-grip the handle part 4. Further, since the door body 1 is urged in the closing direction, the handle part 4 must be opened by grasping the handle part until the end of the opening, and there is a problem that it is cumbersome and inconvenient.

  In recent years, in order to improve the installation property of the dishwasher, it is more troublesome to divide the door into a plurality of doors, and as shown in FIG. Even when the doors 10a and 10b are movably connected, the doors 10a and 10b have the same problem as the one door in opening.

  Further, in any of the configurations, since there is no means for reducing the opening speed of the door body, immediately after the opening, the washing water injected at the same time as the door body starts to be opened and the washing water flows out of the dishwasher body. There has been a problem that a large impact is generated when the door is ejected or the door is completely opened.

  The present invention solves the above-mentioned conventional problems, and solves the inconvenience in use by automatically opening a plurality of doors in conjunction with each other, and excessively opening the doors when opening and closing the doors. The purpose is to eliminate problems caused by speed and improve usability.

  The present invention, in order to achieve the above object, a dishwasher body, a washing tank provided in the dishwasher body, a plurality of doors for opening and closing an opening provided in the washing tank, and the plurality of Interlocking means for interlocking the doors, first urging means for urging the lower one of the plurality of doors in the opening direction when the doors are closed, and opening speed of the doors And second urging means for decelerating the pressure.

  Thereby, by automatically interlocking and opening a plurality of doors, it is possible to eliminate troublesome use and to solve a problem due to an excessive opening speed when opening and closing the doors, which is convenient to use. A dishwasher can be provided.

  ADVANTAGE OF THE INVENTION The dishwasher of this invention solves the trouble by the excessive opening speed at the time of opening and closing a door body by opening a plurality of doors automatically and interlockingly, and opening and closing a door body. Thus, an easy-to-use dishwasher can be realized.

  According to a first aspect of the present invention, a dishwasher main body, a washing tank provided in the dishwasher main body, a plurality of doors for opening and closing an opening provided in the washing tank, and the plurality of doors are interlocked. Interlocking means, first urging means for urging a lower one of the plurality of doors in the opening direction when the doors are closed, and second urging means for reducing the opening speed of the doors. With the urging means, the multiple doors can be automatically opened in conjunction with each other to reduce the inconvenience during use, and to reduce the excessive opening speed when opening and closing the doors. It is possible to provide an easy-to-use dishwasher that can solve the problem.

  According to a second aspect of the present invention, in the first aspect, the second biasing means is configured to reduce an opening speed immediately after the opening of the plurality of doors is started. It is possible to provide an easy-to-use dishwasher that can prevent the jetted washing water from being jetted out of the dishwasher main body.

  According to a third aspect of the present invention, in the first or second aspect, the second biasing means is configured to reduce an opening speed of the plurality of doors and reduce an impact force at the time of opening. In addition, it is possible to realize an easy-to-use dishwasher capable of reducing an impact force when the door is completely opened.

  According to a fourth aspect of the present invention, in the first to third aspects, the second urging means has a configuration including a spring and a sliding member urged by the spring, so that the second urging means is simplified. With the configuration, the opening speed of the door body can be reduced, and the variation in the opening speed of the door body and the impact force at the time of opening can be reduced, thereby realizing a convenient dishwasher with a stable opening and closing operation of the door body. be able to.

  In a fifth aspect based on the first to fourth aspects, the interlocking means for interlocking the plurality of doors is configured to be elastically biased in a direction in which the doors open. With a simple structure in which an urging mechanism (e.g., a tension coil spring) for urging is provided in the interlocking means, a plurality of doors can be automatically and interlocked and opened. An easy-to-use dishwasher that eliminates the hassle can be realized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1 and 2, the dishwasher main body 13 is provided with a washing tank 14 therein, and an opening 15 of the washing tank 14 is formed by an upper door (door) 16 and a lower door (door) 17. It is configured to open and close. An upper support member 18 is fixed to the upper door body 16, and the upper support member 18 is rotatably supported on a base member 20 by an upper fixed pivot 19. Further, a lower support member 21 is fixed to the lower door body 17, and the lower support member 21 is rotatably supported on the base member 20 by a lower fixed pivot 22.

  Further, a through-hole for receiving a bolt 23 welded to the outer wall surface of the cleaning tank 14 is provided in a lower portion of the base member 20, and is fixed by a nut 24.

  Further, an interlocking link 25 is provided as interlocking means for interlocking the upper support member 18 and the lower support member 21, and the upper link member 26 and the lower link shaft 27 support the upper support member 18 and the lower support member 21, respectively. ing. The base member 20, the upper support member 18, and the lower support member 21 are provided on both left and right sides of the cleaning tank 14.

  The lower door body 17 is provided with a push button switch 28 and a lock means 29 for fixing the lower door body 17 in a closed state. 29 can be released. Further, the lock means 29 is linked with an input function of the operation of the dishwasher, and is configured not to operate unless the lower door body 17 is completely closed. Further, a seal member (not shown) having an elastic body is provided for the seal between the lower door body 17 and the upper door body 16 and the opening 15 and the seal between the lower door body 17 and the upper door body 16.

  Further, the interlocking link 25 is provided with a first holding portion 31 and a second holding portion 32, and the first holding portion 31 is connected to the base member 20 by a first spring 33 (tensile coil spring). When the door is closed, force is applied to the open side, and when the door is open, force is applied in the closing direction. Further, the second holding portion 32 is connected to the upper support member 18 by a second spring 34 (tensile coil spring) so as to apply a force in a direction in which the upper door body 16 is always opened. The first spring 33 and the second spring 34 constitute a mechanism for automatically opening the upper door body 16 and the lower door body 17 from the closed state to the open state in conjunction with each other.

  The base member 20 supports a sliding member 35 that slides on the upper supporting member 18. The sliding member 35 applies a load to a sliding surface with the upper supporting member 18 by a third spring 36. ing.

  The upper support member 18 is made of resin, and is provided with a close contact portion 37 and an open contact portion 38 separately from the support portion of the upper door body 16 so that the upper door body 16 can be closed and opened during the opening. , And the sliding member 35. Further, a spring holding portion 39 for holding the second spring 34 is provided between the upper fixed pivot 19 and the upper link pivot 26.

  In addition, the pivot holding portion 40 that holds the upper link pivot 26 has an elongated shape in the direction of the substantially interlocking link 25 that can move at least upward from the position of the upper link pivot 26 when the upper door body 16 is closed, It is configured to absorb variations in the link mechanism and reliably close the link mechanism.

  The operation of the above structure will be described. The upper door body 16 and the lower door body 17 are opened and closed vertically by the upper support member 18 and the lower support member 21, respectively. The body 16 rotates upward, and the lower door body 17 rotates downward by the rotation of the lower fixed pivot 22.

  At this time, the lock means 29 is released by operating the push button switch 28 provided on the lower door body 17 by the interlocking link 25 urged to the open side by the first spring 33 and the second spring 34. Since the upper door body 16 and the lower door body 17 rotate in conjunction with each other, the user does not need to grasp the door body and perform an opening operation, and the upper door body 16 and the lower door body 17 are opened from the closed state. It can be automatically released to the state.

  In addition, the first spring 33 urges the door body in the closing direction during the opening operation of the door body, so that the impact force when the door body is opened can be reduced.

  Further, the closing contact portion 37 provided on the upper support member 18 applies a force to the closing side by the sliding member 35 urged by the third spring 36, thereby delaying the opening speed of the door body, Even if the user operates the push button switch 28 during driving, the opening speed of the upper door body 16 and the lower door body 17 immediately after the release can be reduced, and the washing water injected simultaneously with the release of the lock means 29 can be reduced. Can be prevented from being spouted out of the dishwasher body 13.

  Further, the opening speed of the door body is reduced by the frictional force generated between the opening contact portion 38 and the sliding member 35 urged by the third spring 36, and the impact force when the door is opened is reduced. Thus, rebound due to the impact of the lower door body 17 can be prevented.

  In addition, the sliding member 35 is installed on the base member 20 on which the upper support member 18 and the lower support member 21 are installed, so that errors in the respective installation positions are only processing errors, and the upper door body 16 and the lower door body 17 The operation of the door body after assembly can be stabilized, for example, the dispersion of the opening speed and the impact force at the time of opening can be extremely reduced.

  The same operation and effect can be obtained even if the washing tank 14 is made of resin and the base member 20 is integrally formed, and a dishwasher can be provided at lower cost.

  Further, since the base member 20 is of the bolt / nut type, the base member 20 with the upper support member 18, the lower support member 21, the sliding member 35, and each spring attached thereto can be easily removed at the time of maintenance and inspection. It is possible, and positioning after maintenance is easy.

  Further, in the vicinity of the closed state of the upper door body 16, the second spring 34 generates a moment force on the upper fixed pivot 19 and the spring support portion 39 to act on the upper door body 16 in the closing direction. The position of the pivot 26 is such that the upper door body 16 can always be positioned in the closing direction in the pivot holding portion 40 having a long hole shape. With this configuration, it is possible to eliminate poor interlocking between the upper door body 16 and the lower door body 17 due to a dimensional variation in the link configuration, smoothly perform opening and closing operations of the upper door body 16 and the lower door body 17, and achieve stable sealing performance. Can be secured.

  In the present embodiment, the first spring 33 and the second spring 34 constitute a mechanism for automatically opening the lid. However, the upper support member 18 and the lower support Either the member 21 or the interlocking link 25 may be driven by a motor or a solenoid, or the interlocking link 25 may be configured by a wire and wound up by a motor. Can be.

  As described above, the dishwasher according to the present invention eliminates inconvenience during use by automatically opening a plurality of doors in conjunction with each other, and excessively opening and closing the doors. Since the inconvenience caused by the speed can be solved and the usability can be improved, the present invention is useful as a dishwasher or the like that stores dishes and the like and performs washing by spraying washing water.

Sectional drawing of the closed state of the door body of the dishwasher of Embodiment 1 of this invention. Sectional view of the opened state of the door of the dishwasher Sectional view of an example of a conventional dishwasher Partial cutaway side view of another example of a conventional dishwasher

Explanation of reference numerals

13 Dishwasher body 14 Washing tank 15 Opening 16 Upper door (door)
17 Lower door (door)
25 Linkage link (linkage means)
33 first spring (first biasing means)
35 sliding member 36 third spring (second biasing means)

Claims (5)

A dishwasher body, a washing tank provided in the dishwasher body, a plurality of doors for opening and closing an opening provided in the washing tank, interlocking means for interlocking the plurality of doors, and the door First urging means for urging the lower door body of the plurality of door bodies in the opening direction in a closed state of the body, and second urging means for reducing the opening speed of the door body. Equipped dishwasher. The dishwasher according to claim 1, wherein the second urging means is configured to reduce an opening speed of the plurality of doors immediately after the doors are opened. The dishwasher according to claim 1 or 2, wherein the second urging means is configured to reduce an opening speed of the plurality of doors and reduce an impact force at the time of opening. The dishwasher according to any one of claims 1 to 3, wherein the second biasing means includes a spring and a sliding member biased by the spring. The dishwasher according to any one of claims 1 to 4, wherein the interlocking means for interlocking the plurality of doors is elastically biased in a direction in which the doors open.

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